CN103658307B - The guiding mechanism at closed dead point on essence impact machine - Google Patents
The guiding mechanism at closed dead point on essence impact machine Download PDFInfo
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- CN103658307B CN103658307B CN201210354900.7A CN201210354900A CN103658307B CN 103658307 B CN103658307 B CN 103658307B CN 201210354900 A CN201210354900 A CN 201210354900A CN 103658307 B CN103658307 B CN 103658307B
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Abstract
The guiding mechanism at the upper closed dead point of smart impact machine, for the upper closed dead point adjustment of fine-edge blanking hydraulic press.Master cylinder cover coordinates with adjusting nut, and adjusting nut and large fluted disc are connected as a single entity; Support one and support two are fixed on master cylinder and put, and support one is fixed with hydraulic clutch, and large fluted disc is respectively with roller gear one, engaged by the roller gear two of reducing motor driven rotary; The play plunger that axially disappears is arranged on master cylinder and puts, and the plunger case of the play plunger that axially disappears is connected with hydraulic oil; Lower table and guide holder are all positioned at above main piston; Encoder gear axle is connected with encoder, and encoder gear axle engages with roller gear two; Hydraulic oil is connected with between master cylinder cover and main piston.The present invention adopts motor to adjust and hydraulic system coordinates, and regulates the speed fast, Adjustment precision and repetitive positioning accuracy high, mould and device security coefficient improve greatly, effectively can extend the die life of essence punching, the regulation time of reduction mould production cost and mould.
Description
Technical field
The present invention relates to plant equipment automatic control technology field, specifically a kind of guiding mechanism of closed dead point of fine-edge blanking hydraulic press.
Background technology
Fine-edge blanking hydraulic press (hereinafter referred to as smart impact machine) grows up on common stamping machine basis, fine-edge blanking is powerful flanging stamping-out, technological principle is on triple action press, utilize the fine blanking die of special construction, under forceful action, make material produce plasticity, detrusion, thus obtain the fine blanking part of high-quality.Essence impact machine must provide blanking pressure, pressure-pad-force and counter-pressure simultaneously; main frame should have high strength and high rigidity; slide block can ensure accurate guiding; and can the height at closed dead point and repetitive positioning accuracy on accurate adjustment mould; reliable mould defencive function to be possessed simultaneously, be a kind of high investment, the equipment that technology-intensive and added value of product is high.
Because the blade clearance of smart impact machine mould is very little, in order to improve punching quality and die life, the upper closed dead point of slide block must be adjustable, and have the repetitive positioning accuracy of height.Smart impact machine in the past adopts merely the mode of hydraulic pressure or electic protection to adjust upper closed dead point, and the safety coefficient of mould and equipment is low.So upper closed dead point adjust of employing mechanical system to smart impact machine is the important content during smart impact machine manufactures and designs.
Summary of the invention
For overcoming the deficiencies in the prior art, goal of the invention of the present invention is to provide the guiding mechanism at closed dead point on a kind of smart impact machine, to realize the object at closed dead point on quick accurate adjustment.
For achieving the above object, with sawtooth internal thread on the inwall of master cylinder cover of the present invention, coordinate with the sawtooth external screw thread of adjusting nut, adjusting nut and large fluted disc are connected as a single entity; The support one of clutch locking device and the support two of motor adjusting device are separately fixed at master cylinder and put, the support one of clutch locking device is fixed with hydraulic clutch, large fluted disc engages with the roller gear one of clutch locking device, the roller gear two of motor adjusting device respectively, roller gear two by reducing motor driven rotary, reducing motor built-in electromagnetic band-type brake; Axially disappear play plunger one and the play plunger two that axially disappears is arranged on the end face of master cylinder cover, the play plunger one that axially disappears, axially disappear play plunger two and master cylinder overlap between plunger case be connected with hydraulic oil; Main piston and the guide holder on it and lower table are connected as a single entity; Encoder gear axle is connected with the encoder controlling reducing motor, and encoder gear axle engages with roller gear two; Hydraulic oil is connected with between master cylinder cover and main piston.
The roller gear one of described clutch locking device is by key and pressing plate, be connected as a single entity with the rotary sleeve on screw and hydraulic clutch; and several friction plate one is engaged with the involute external tooth of rotary sleeve by involute internal tooth, realize the synchronous axial system of roller gear one and rotary sleeve and several friction plate one; The involute external tooth of several friction plate two engages with the involute internal tooth of fixed cover; friction plate one and friction plate two are staggered installation of; fixed cover and base through screws are connected as a single entity; cylinder sleeve and cover plate are connected as a single entity by screw; fixed cover and base, cylinder sleeve and cover plate again by screw in compression on the support one of clutch locking device, form not revolvable fixed body; Rotary sleeve, piston and sealing ring one and sealing ring two are installed between cylinder sleeve and cover plate, between piston and cover plate, spring are installed.
When the closed top dead-centre of needs adjustment, axially disappear the pressure release of play plunger lower post plug cylinder, the hydraulic clutch device of clutch locking device is in disengaged condition, the reducing motor of motor adjusting device starts, and drive roller gear two to rotate, the large fluted disc be engaged with also rotates thereupon, adjusting nut equally also rotates with large fluted disc, while adjusting nut rotates with large fluted disc, adjusting nut rises with the axis direction of large fluted disc along master cylinder cover internal thread or declines, and reaches the object of the closed top dead-centre of adjustment.
When reducing motor power-off adjustment is complete, the built-in electromagnetic brake of reducing motor is braked rapidly, axially disappear play plunger lower post plug cylinder hydraulic pressurization subsequently, the play plunger that axially disappears rises under hydraulic action, and push large fluted disc to rise together with adjusting nut, to fit gapless until the external screw thread of adjusting nut and master cylinder overlap internal thread, the hydraulic clutch device of the locking device of clutch is simultaneously in locking state, plays radial locking and braking to large fluted disc.
The present invention compared with prior art, has the following advantages.
1, adopt the extremely spacing and big speed ratio of machinery, Adjustment precision and repetitive positioning accuracy high.
2, from product safety aspect; adjust closed top dead-centre than simple use hydraulic pressure or electic protection to compare, adopt the dead spacing reliability of machinery high, the safety coefficient of mould and equipment is improved greatly; effectively can extend the die life of essence punching, reduce the mould production cost of unit stamping.
3, owing to adopting motor adjustment and hydraulic system to coordinate, regulate the speed fast, the regulation time of every batch of stamping mould can be reduced.
Accompanying drawing explanation
Fig. 1 is structure diagram of the present invention.
Fig. 2 is that the axis of Fig. 1 disappears the amplification view of play plunger installation place.
Fig. 3 is the structure diagram of the hydraulic clutch of Fig. 1.
Fig. 4 is the A-A revolved sectional view of Fig. 3.
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the inwall of master cylinder cover 1 has interior buttless thread, coordinates with the outer buttless thread of adjusting nut 3, adjusting nut 3 and large fluted disc 7 are connected as a single entity with securing member; The support 1 of clutch locking device and the support 2 14 of motor adjusting device are fixed on master cylinder cover 1 with securing member respectively, the support 1 of clutch locking device is fixed with hydraulic clutch 6, large fluted disc 7 engages with the roller gear 1 of clutch locking device, the roller gear 2 12 of motor adjusting device respectively, and roller gear 2 12 is by reducing motor 13 driven rotary; Axially disappear play plunger 1 and the play plunger 2 11 that axially disappears is arranged on the end face of master cylinder cover 1, and the play plunger 1 that axially disappears, the axially plunger case that play plunger 2 11 and master cylinder overlap between 1 that disappears are connected with hydraulic oil; Main piston 2 is connected as a single entity with the guide holder 9 on it and lower table 10; Encoder gear axle 15 is connected with the encoder 16 controlling reducing motor 13, and encoder gear axle 15 engages with roller gear 2 12; Hydraulic oil is connected with between master cylinder cover 1 and main piston 2.
The roller gear 1 of clutch locking device of the present invention is by key 17 and pressing plate 18, be connected as a single entity with the rotary sleeve 19 on screw and hydraulic clutch 6; and several friction plate 1 is engaged with the involute external tooth of rotary sleeve 19 by involute internal tooth, realize the synchronous axial system of roller gear 1 and rotary sleeve 19 and several friction plate 1; The involute external tooth of several friction plate 2 22 engages with the involute internal tooth of fixed cover 24; friction plate 1 and friction plate 2 22 are staggered installation of; fixed cover 24 and base 23 are connected as a single entity by screw; cylinder sleeve 25 and cover plate 26 are connected as a single entity by screw; fixed cover 24 is pressed on the support 1 of clutch locking device by screw 30 with base 23, cylinder sleeve 25 again with cover plate 26, forms not revolvable fixed body; Rotary sleeve 19, piston 28 and sealing ring 1 and sealing ring 2 27 are installed between cylinder sleeve 25 and cover plate 26, spring 29 is installed between piston 28 and cover plate 26.
When the closed top dead-centre of needs adjustment, axially disappear the plunger case pressure release of play plunger 1 and play plunger 2 11 bottom that axially disappears, hydraulic oil connected by the hydraulic clutch 6 of clutch locking device, hydraulic oil promotes piston 28 and moves, offset most of elastic force of spring 29, pressure between friction plate 1 and friction plate 2 22 and frictional force reduce, hydraulic clutch 6 is in half disengaged condition (has certain frictional force, play and eliminate gear backlash effect), the reducing motor 13 of motor adjusting device starts, roller gear 2 12 is driven to rotate, the large fluted disc 7 be engaged with also rotates thereupon, adjusting nut 3 equally also rotates with large fluted disc 7, because adjusting nut 3 and master cylinder have threaded engagement between overlapping 1, while adjusting nut 3 rotates with large fluted disc 7, adjusting nut 3 also rises or declines at the axis direction overlapping 1 internal thread along master cylinder with large fluted disc 7.
When reducing motor 13 adjusts complete power-off, the built-in electromagnetic brake of reducing motor 13 is braked rapidly, the plunger case hydraulic pressurization (as shown in Figure 2) of axial disappear play plunger 1 and play plunger 2 11 bottom that axially disappears subsequently, the play plunger that axially disappears rises under action of hydraulic force, and promote large fluted disc 7 to rise together with adjusting nut 3, to fit gapless until the external screw thread of adjusting nut 3 and master cylinder overlap 1 internal thread, hydraulic clutch 6 place's pressure release simultaneously, spring 29 promotes piston 28 and moves, pressure between friction plate 1 and friction plate 2 22 and frictional force increase, hydraulic clutch 6 is in engagement state, radial locking and braking action are played to large fluted disc 7.
When smart impact machine normally works, main piston 2 is under the effect of bottom high-pressure oil, main piston 2 moves up together with lower table 10 with the guide holder 9 above it, until the step surface B of main piston 2 and the A end face of adjusting nut 3 are fitted, main piston 2 stops mobile, and this point is closed dead point on smart impact machine, owing to being the dead mechanical position limitation of employing, adjustment repetitive positioning accuracy is high, very reliably.
Large fluted disc 7 of the present invention is very large with the gearratio of the roller gear 2 12 of motor adjusting device, select the reducing motor 13 of big speed ratio simultaneously, and the thread pitch of master cylinder cover 1 and adjusting nut 3 is very little, the gearratio of whole transmission mechanism is very large, install encoder 16 additional and come closed dead-centre position on controlling and adjustment, the object of fine setting and the upper closed dead-centre position of high accuracy adjustment can be realized, adapt to requirement that is quick and high accuracy adjustment.
Claims (3)
1. smart impact machine closes the guiding mechanism at dead point, it is characterized in that: with sawtooth internal thread on the inwall of master cylinder cover (1), coordinate with the sawtooth external screw thread of adjusting nut (3), adjusting nut (3) and large fluted disc (7) are connected as a single entity; The support one (4) of clutch locking device and the support two (14) of motor adjusting device are separately fixed on master cylinder cover (1), the support one (4) of clutch locking device is fixed with hydraulic clutch (6), large fluted disc (7) engages with the roller gear one (5) of clutch locking device, the roller gear two (12) of motor adjusting device respectively, and roller gear two (12) is by reducing motor (13) driven rotary; Axially disappear play plunger one (8) and the play plunger two (11) that axially disappears is arranged on the end face of master cylinder cover (1), and the play plunger one (8) that axially disappears, the axis plunger case disappeared between play plunger two (11) and master cylinder cover (1) are connected with hydraulic oil; Guide holder (9) and lower table (10) are on main piston (2), and main piston (2) is connected as a single entity with the guide holder (9) on it and lower table (10); Encoder gear axle (15) is connected with the encoder (16) controlling reducing motor (13), and encoder gear axle (15) engages with roller gear two (12); Hydraulic oil is connected with between master cylinder cover (1) and main piston (2).
2. smart impact machine according to claim 1 closes the guiding mechanism at dead point, it is characterized in that: reducing motor (13) built-in electromagnetic band-type brake.
3. smart impact machine according to claim 1 closes the guiding mechanism at dead point; it is characterized in that: the roller gear one (5) of clutch locking device is by key (17) and pressing plate (18), be connected as a single entity with the rotary sleeve (19) on screw and hydraulic clutch (6); and several friction plate one (21) is engaged by the involute external tooth of involute internal tooth with rotary sleeve (19), realize the synchronous axial system of roller gear one (5) and rotary sleeve (19) and several friction plate one (21); The involute external tooth of several friction plate two (22) engages with the involute internal tooth of fixed cover (24); friction plate one (21) and friction plate two (22) are staggered installation of; fixed cover (24) and base (23) are connected as a single entity by screw; cylinder sleeve (25) and cover plate (26) are connected as a single entity by screw; fixed cover (24) is pressed on the support one (4) of clutch locking device by screw (30) with base (23), cylinder sleeve (25) again with cover plate (26), forms not revolvable fixed body; Rotary sleeve (19), piston (28) and sealing ring one (20) and sealing ring two (27) are installed between cylinder sleeve (25) and cover plate (26), spring (29) is installed between piston (28) and cover plate (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210354900.7A CN103658307B (en) | 2012-09-24 | 2012-09-24 | The guiding mechanism at closed dead point on essence impact machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210354900.7A CN103658307B (en) | 2012-09-24 | 2012-09-24 | The guiding mechanism at closed dead point on essence impact machine |
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| Publication Number | Publication Date |
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| CN103658307A CN103658307A (en) | 2014-03-26 |
| CN103658307B true CN103658307B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210354900.7A Active CN103658307B (en) | 2012-09-24 | 2012-09-24 | The guiding mechanism at closed dead point on essence impact machine |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109848347B (en) * | 2018-12-29 | 2023-12-12 | 武汉新威奇科技有限公司 | Numerical control electric screw press |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3687069A (en) * | 1971-01-13 | 1972-08-29 | Gulf & Western Ind Prod Co | Shut height counter drive for presses |
| JPS5881525A (en) * | 1981-11-06 | 1983-05-16 | Yakutaka Fujii | Shut height adjusting device for high speed dieing press |
| US5345861A (en) * | 1993-04-20 | 1994-09-13 | The Minater Machine Company | Press adjustment screw mechanism |
| CN101797810A (en) * | 2010-04-02 | 2010-08-11 | 扬州锻压机床集团有限公司 | Bottom dead center adjusting mechanism for high-speed press |
| CN202779369U (en) * | 2012-09-24 | 2013-03-13 | 襄阳博亚精工装备股份有限公司 | Adjusting mechanism of closed dead center on fine blanking machine |
-
2012
- 2012-09-24 CN CN201210354900.7A patent/CN103658307B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3687069A (en) * | 1971-01-13 | 1972-08-29 | Gulf & Western Ind Prod Co | Shut height counter drive for presses |
| JPS5881525A (en) * | 1981-11-06 | 1983-05-16 | Yakutaka Fujii | Shut height adjusting device for high speed dieing press |
| US5345861A (en) * | 1993-04-20 | 1994-09-13 | The Minater Machine Company | Press adjustment screw mechanism |
| CN101797810A (en) * | 2010-04-02 | 2010-08-11 | 扬州锻压机床集团有限公司 | Bottom dead center adjusting mechanism for high-speed press |
| CN202779369U (en) * | 2012-09-24 | 2013-03-13 | 襄阳博亚精工装备股份有限公司 | Adjusting mechanism of closed dead center on fine blanking machine |
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| CN103658307A (en) | 2014-03-26 |
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