CN102989863B - A kind of punching die of vacuum booster upper push rod assembly - Google Patents

A kind of punching die of vacuum booster upper push rod assembly Download PDF

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Publication number
CN102989863B
CN102989863B CN201210592919.5A CN201210592919A CN102989863B CN 102989863 B CN102989863 B CN 102989863B CN 201210592919 A CN201210592919 A CN 201210592919A CN 102989863 B CN102989863 B CN 102989863B
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die
push rod
workpiece
punching
vacuum booster
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CN102989863A (en
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董西杰
董服友
林成明
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Zhejiang Huifeng Automobile Parts Co., Ltd.
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ZHEJIANG HUIFENG AUTOPARTS Manufacturing Co Ltd
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Abstract

The present invention has supplied a kind of punching die of vacuum booster upper push rod assembly, belongs to technical field of mold.The punching die it solving existing vacuum booster upper push rod assembly can not complete in disposable punching, and easily causes linking arm distortion or the fracture etc. of push-rod assembly.This punching die comprises frame, upper bolster, drift and horizontally disposed punch and die, the upper surface of die and lower surface respectively offer one can with the strip groove of workpiece clamping, drift to be vertically arranged on upper bolster and just to strip groove, punch and die are equipped with and are positioned at immediately below drift and allow the through hole that drift passes, the lower end of frame is provided with one by the waste material push rod that the waste material that workpiece produces pushes away from die after punching completes, and the rear end of frame is provided with the material returned push rod that workpiece can be pushed away die by.The present invention has that high punching efficiency, yield rate are high, automaticity advantages of higher.

Description

A kind of punching die of vacuum booster upper push rod assembly
Technical field
The invention belongs to technical field of mold, relate to a kind of punching die, particularly a kind of punching die of vacuum booster upper push rod assembly.
Background technology
Push-rod assembly on automobile vacuum booster is the output block of vacuum booster, its one end is connected with automobile pedal bracket, the other end is one is be connected by a prong with pedal support, prong comprises two linking arms, each linking arm is provided with one and utilizes punching die punching press through hole out, owing to having an intersegmental gap between two linking arms, two of prong arms easily break by traditional punching die, distortion or damage, but adopt the method for two times punch, namely need to clamp for twice and just can complete with punching press, because two arms of this push-rod assembly separate, process for the waste material of punching generation also comparatively bothers, this has a significant impact the punching efficiency of the push-rod assembly on automobile vacuum booster and quality, the disposable punching of vacuum resistance gauge upper push-rod assembly is a difficult problem always.
Summary of the invention
The object of the invention is the problems referred to above existed for existing technology, provide a kind of punching die of vacuum booster upper push rod assembly, technical problem to be solved by this invention is completed two of linking arm on push-rod assembly disposable punchings that liquidate of through hole.
Object of the present invention realizes by following technical proposal: a kind of punching die of vacuum booster upper push rod assembly, this punching die comprises frame, upper bolster, drift, and horizontally disposed punch and die, it is characterized in that, the upper surface of described die and lower surface respectively offer one can with the strip groove of workpiece clamping, described drift to be vertically arranged on upper bolster and just to strip groove, described punch and die are equipped with and are positioned at immediately below drift and allow the through hole that drift passes, the lower end of described frame is provided with one after punching completes by waste material push rod that the waste material that workpiece produces pushes away from die, the rear end of described frame is provided with the material returned push rod that workpiece can be pushed away die by.
Operation principle of the present invention is: refer to vacuum booster upper push rod assembly during the workpiece mentioned in this description, it comprises the parallel and linking arm of symmetry of a connecting rod and interlinking lever end two, in this programme, two of workpiece linking arms are connected in strip groove, two strip groove point upper and lower surfaces due to die are offered, distortion or fracture so two linking arms can not bend when being subject to the pressure on vertical direction, be positioned at two linking arms of the drift stamped workpieces when upper bolster is descending directly over strip groove, thus two disposable punching presses in hole on two linking arms are completed, and the waste material push rod being positioned at frame lower end can be upward through the through hole on workpiece and the through hole on die after workpiece punching completes, the waste material promoting punching press generation makes it discharge, after waste material is discharged, material returned push rod can promote workpiece disengaging die makes it fall down, thus the disposable punching completed workpiece, and efficiency is higher, can not to the linking arm of two on defective work piece.
In the punching die of above-mentioned a kind of vacuum booster upper push rod assembly, described punch is provided with alignment sheets, and described alignment sheets can be resisted against in the strip groove on die upper surface.The effect of alignment sheets is when punch moves down, and alignment sheets coordinates with strip groove and mutually locates, and then drift carries out punching press to workpiece, and drift can be allowed can to carry out punching to workpiece accurately.
In the punching die of above-mentioned a kind of vacuum booster upper push rod assembly, described waste material push rod to be positioned at immediately below die and can through the through hole on die, and described waste material push rod can promote the cylinder one that waste material push rod moves up and down be connected with one.Waste material push rod is from the bottom to top through the through hole on workpiece and die, and after completing workpiece punching press, the waste material of generation is cleared up, and this waste material push rod has cylinder to control, and avoids the danger that may bring operating personnel during manual operation.
In the punching die of above-mentioned a kind of vacuum booster upper push rod assembly, described material returned push rod front end is provided with two material returned arms, described material returned arm can be plugged in two strip grooves on die respectively, and described material returned push rod is connected with a cylinder two that can promote the movement in strip groove of material returned push rod.When work pieces process completes, and after waste material cleared up, cylinder two promotes material returned push rod, two material returned arms on material returned push rod are slided along two strip grooves, promote workpiece to fall down from the opposite side of strip groove, workpiece has cylinder to control, contingent danger when can avoid artificial feeding.
In the punching die of above-mentioned a kind of vacuum booster upper push rod assembly, the front end of described frame is provided with a position that can regulate workpiece on die and can by workpiece against the material ejecting structure be fixed on die.Be subjected to displacement with position in die in punching course the generation causing the problems such as punching position is inaccurate after installation is complete for preventing workpiece, in the die side with material returned push rod right opposite, material ejecting structure is set, before processing, trade union college is fixed on this material ejecting structure, two of workpiece linking arms are made to be connected in strip groove, after workpiece punching completes and waste material has been cleared up, adjust this material ejecting structure, workpiece can also be unclamped from die, so that workpiece is released by material returned push rod smoothly.
In the punching die of above-mentioned a kind of vacuum booster upper push rod assembly, described material ejecting structure comprises and is fixed on support arm one in frame and a slide block that can horizontally slip on support arm one, described slide block one be provided with one can with workpiece against and screw rod workpiece is pressed in strip groove, described screw rod to be plugged on slide block one and can to move forward and backward along slide block one, described slide block one is also provided with one and workpiece can be held up and the U-shaped bracket that arranges towards horizontal cross of opening.The connecting rod of workpiece holds up by U-shaped bracket, transverse shifting slide block, and two of workpiece linking arms, after adjusting, are snapped in strip groove by the adjustment lateral attitude of workpiece on die, then screws screw rod and makes in the workpiece strip groove being resisted against on die tightly.
In the punching die of above-mentioned a kind of vacuum booster upper push rod assembly, as another kind of technical scheme, described material ejecting structure comprise be fixed on support arm two in frame and one can on support arm two slide block two of slide anteroposterior, described slide block two is positioned at the dead ahead of strip groove, and this slide block two offers the recess that workpiece holds up by the one end that can be set in workpiece.The interlinking lever end of workpiece leans in recess, belongs to tight fit between slide block two and support arm two, and slide block two can not loosen after regulating the position with strip groove, and front and back promote slide block two and two of workpiece linking arms are resisted against in strip groove.
In the punching die of above-mentioned a kind of vacuum booster upper push rod assembly, described material returned putting back-end is connected with an adjustable plate, described adjustable plate vertically offers dovetail groove guide rail, described material returned push rod can be connected to also can along the slippage of dovetail groove guide rail in dovetail groove guide rail, and piston rod and the adjustable plate of described cylinder two are connected.Belong to tight fit between guide rail and adjustable plate, adjustable plate can be moved up and down and make two material returned arms on material returned push rod insert in strip groove, due to loss and the vibrations of mould, need the position regulating material returned push rod in use for some time.
In the punching die of above-mentioned a kind of vacuum booster upper push rod assembly; this punching die also comprises die shoe; described die shoe upper end is installed with a fixed block one; a fixed block two is provided with between described fixed block one and die; described die, fixed block one are connected mutually with fixed block two three, are provided with protection pad between described fixed block one and lower bolster.Die is fixed thereon by fixed block two, and protection pad plays the damping of shocks effect of whole mould in the vertical direction.
Compared with prior art, the present invention has the following advantages:
The method offering strip groove in the upper and lower surface of die is have employed in the punching die of 1, this vacuum booster upper push rod assembly, two of workpiece two linking arms are connected in two strip grooves respectively, when punching press, two linking arms can not be caused on the one hand to bend and to be out of shape or fracture, and because two linking arms have been padded up, larger impulsive force can be born, so the punching that can disposablely liquidate completes.
2, have employed material returned push rod and waste material push rod in this configuration, fine effect is served to the production efficiency of this mould and production safety.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the punching die of this vacuum booster upper push rod assembly in embodiment one.
Fig. 2 is the structural representation of material returned push rod and die in embodiment one.
Fig. 3 is the structural representation of material ejecting structure and die in embodiment one.
Fig. 4 is the structural representation of the push-rod assembly on the workpiece vacuum booster processed of this punching die.
Fig. 5 is the enlarged drawing of material ejecting structure in embodiment one.
Fig. 6 is the enlarged drawing of material ejecting structure in embodiment two.
In figure, 1, frame; 21, upper bolster; 22, die shoe; 3, drift; 31, through hole; 41, punch; 42, die; 421, strip groove; 5, waste material push rod; 6, material returned push rod; 61, material returned arm; 7, alignment sheets; 81, cylinder one; 82, cylinder two; 91, support arm; 92, slide block one; 93, screw rod; 94, U-shaped bracket; 95, support arm two; 96, slide block two; 97, recess; 10, adjustable plate; 11, fixed block one; 12, fixed block two; 13, pad is protected; 14, connecting rod; 15, linking arm.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one:
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, this punching die comprises frame 1, upper bolster 21, drift 3, and horizontally disposed punch 41 and die 42, the upper surface of die 42 and lower surface respectively offer one can with the strip groove 421 of workpiece clamping, drift 3 to be vertically arranged on upper bolster 21 and just to strip groove 421, punch 41 and die 42 are equipped with and are positioned at immediately below drift 3 and allow the through hole 31 that drift 3 passes, the lower end of frame 1 is provided with one after punching completes by waste material push rod 5 that the waste material that workpiece produces pushes away from die 42, the rear end of frame 1 is provided with the material returned push rod 6 that workpiece can be pushed away die 42 by, punch 41 is provided with alignment sheets 7, alignment sheets 7 can be resisted against in the strip groove 421 on die 42 upper surface, the effect of alignment sheets 7 is when punch 41 moves down, alignment sheets 7 coordinates with strip groove 421 and mutually locates, then drift 3 pairs of workpiece carry out punching press, drift 3 can be allowed can to carry out punching to workpiece accurately, waste material push rod 5 to be positioned at immediately below die 42 and can through the through hole 31 on die 42, waste material push rod 5 can promote the cylinder 1 that waste material push rod 5 moves up and down be connected with one, waste material push rod 5 is from the bottom to top through the through hole 31 on workpiece and die 42, after completing workpiece punching press, the waste material of generation is cleared up, this waste material push rod 5 has cylinder to control, avoid the danger that may bring operating personnel during manual operation, material returned push rod 6 front end is provided with two material returned arms 61, material returned arm 61 can be plugged in two strip grooves 421 on die 42 respectively, material returned push rod 6 is connected with a cylinder 2 82 that can promote material returned push rod 6 movement in strip groove 421, when work pieces process completes, and after waste material cleared up, cylinder 2 82 promotes material returned push rod 6, on material returned push rod 6 two material returned arms 61 are slided along two strip grooves 421, promote workpiece to fall down from the opposite side of strip groove 421, workpiece has cylinder to control, contingent danger when can avoid artificial feeding.
As shown in Figure 4 and Figure 5, the front end of frame 1 is provided with a position that can regulate workpiece on die 42 and can by workpiece against the material ejecting structure be fixed on die 42, the generation for preventing workpiece, dislocation occurring with position in die 42 in punching course after installation is complete and cause the problems such as punching position is inaccurate, in die 42 side with material returned push rod 6 right opposite, material ejecting structure is set, before processing, trade union college is fixed on this material ejecting structure, two of workpiece linking arms 15 are made to be connected in strip groove 421, after workpiece punching completes and waste material has been cleared up, adjust this material ejecting structure, workpiece can also be unclamped from die 42, so that workpiece is released by material returned push rod 6 smoothly, material ejecting structure comprises and is fixed on support arm 1 in frame 1 and a slide block that can horizontally slip on support arm 1, slide block 1 be provided with one can with workpiece against and the screw rod 93 workpiece is pressed in strip groove 421, screw rod 93 is plugged on slide block 1 and also can moving forward and backward along slide block 1, slide block 1 is also provided with one workpiece to be held up and the U-shaped bracket 94 that arranges towards horizontal cross of opening.The connecting rod 14 of workpiece holds up by U-shaped bracket 94, transverse shifting slide block, the adjustment lateral attitude of workpiece on die 42, after adjusting, two of workpiece linking arms 15 are snapped in strip groove 421, then screws screw rod 93 and make in the workpiece strip groove 421 being resisted against on die 42 tightly.
As depicted in figs. 1 and 2, material returned push rod 6 rear end is connected with an adjustable plate 10, adjustable plate 10 vertically offers dovetail groove guide rail, material returned push rod 6 can be connected to also can along the slippage of dovetail groove guide rail in dovetail groove guide rail, piston rod and the adjustable plate 10 of cylinder 2 82 are connected, tight fit is belonged between guide rail and adjustable plate 10, can move up and down adjustable plate 10 makes on material returned push rod 6 two material returned arms 61 insert in strip groove 421, due to loss and the vibrations of mould, need the position regulating material returned push rod 6 in use for some time, this punching die also comprises die shoe 22, die shoe 22 upper end is installed with a fixed block 1, a fixed block 2 12 is provided with between fixed block 1 and die 42, die 42, fixed block 1 is connected mutually with fixed block 2 12 three, protection pad 13 is provided with between fixed block 1 and lower bolster, die 42 is fixed thereon by fixed block 2 12, protection pad 13 plays the damping of shocks effect of whole mould in the vertical direction.
Embodiment two:
As shown in Figure 2 and Figure 6, the content of the present embodiment is roughly identical with embodiment one, difference be material ejecting structure comprise be fixed on support arm 2 95 in frame 1 and one can on support arm 2 95 slide block 2 96 of slide anteroposterior, slide block 2 96 is positioned at the dead ahead of strip groove 421, and this slide block 2 96 offers the recess 97 that workpiece holds up by the one end that can be set in workpiece, connecting rod 14 end of workpiece leans in recess 97, tight fit is belonged between slide block 2 96 and support arm 2 95, slide block 2 96 can not regulate with the position of strip groove 421 after loosen, front and back promote slide block 2 96 and two of workpiece linking arms 15 are resisted against in strip groove 421.
The operation principle of this punching die is: refer to vacuum booster upper push rod assembly during the workpiece mentioned in this description, it comprises the parallel and linking arm 15 of symmetry of a connecting rod 14 and connecting rod 14 end two, in this programme, two of workpiece linking arms 15 are connected in strip groove 421, two strip grooves, 421 points of upper and lower surfaces due to die 42 are offered, distortion or fracture so two linking arms 15 can not bend when being subject to the pressure on vertical direction, be positioned at two linking arms 15 of drift 3 stamped workpieces when upper bolster 21 is descending directly over strip groove 421, thus two disposable punching presses in hole on two linking arms 15 are completed, and the waste material push rod 5 being positioned at frame 1 lower end can be upward through the through hole 31 on workpiece and the through hole 31 on die 42 after workpiece punching completes, the waste material promoting punching press generation makes it discharge, after waste material is discharged, material returned push rod 6 can promote workpiece disengaging die 42 makes it fall down, thus the disposable punching completed workpiece, and efficiency is higher, can not to the linking arm of two on defective work piece 15.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.

Claims (6)

1. the punching die of a vacuum booster upper push rod assembly, this punching die comprises frame (1), upper bolster (21), drift (3), and horizontally disposed punch (41) and die (42), it is characterized in that, the upper surface of described die (42) and lower surface respectively offer one can with the strip groove of workpiece clamping (421), it is upper and just to strip groove (421) that described drift (3) is vertically arranged on upper bolster (21), described punch (41) and die (42) are equipped with and are positioned at immediately below drift (3) and allow the through hole (31) that drift (3) passes, the lower end of described frame (1) is provided with one after punching completes by waste material push rod (5) that the waste material that workpiece produces pushes away from die (42), the rear end of described frame (1) is provided with the material returned push rod (6) that workpiece can be pushed away die (42) by, the front end of described frame (1) is provided with a position that can regulate workpiece on die (42) and can by workpiece against the material ejecting structure be fixed on die (42), described material ejecting structure comprises and is fixed on support arm one (91) in frame (1) and a slide block one (92) that can horizontally slip on support arm one (91), described slide block one (92) be provided with one can with workpiece against and the screw rod (93) workpiece is pressed in strip groove (421), described screw rod (93) is plugged on slide block one (92) and above also can moving forward and backward along slide block one (92), described slide block one (92) is also provided with one workpiece to be held up and the U-shaped bracket (94) that arranges towards horizontal cross of opening.
2. the punching die of a kind of vacuum booster upper push rod assembly according to claim 1, it is characterized in that, described punch (41) is provided with alignment sheets (7), and described alignment sheets (7) can be resisted against in the strip groove (421) on die (42) upper surface.
3. the punching die of a kind of vacuum booster upper push rod assembly according to claim 1, it is characterized in that, described waste material push rod (5) to be positioned at immediately below die (42) and the through hole (31) that can pass on die (42), and described waste material push rod (5) can promote the cylinder one (81) that waste material push rod (5) moves up and down be connected with one.
4. the punching die of a kind of vacuum booster upper push rod assembly according to claim 1, it is characterized in that, described material returned push rod (6) front end is provided with two material returned arms (61), described material returned arm (61) can be plugged in two strip grooves (421) on die (42) respectively, and described material returned push rod (6) is connected with a cylinder two (82) that can promote material returned push rod (6) movement in strip groove (421).
5. the punching die of a kind of vacuum booster upper push rod assembly according to claim 4, it is characterized in that, described material returned push rod (6) rear end is connected with an adjustable plate (10), described adjustable plate (10) vertically offers dovetail groove guide rail, described material returned push rod (6) can be connected to also can along the slippage of dovetail groove guide rail in dovetail groove guide rail, and piston rod and the adjustable plate (10) of described cylinder two (82) are connected.
6. the punching die of a kind of vacuum booster upper push rod assembly according to claim 1 or 2 or 3 or 4, it is characterized in that, this punching die also comprises die shoe (22), described die shoe (22) upper end is installed with a fixed block one (11), a fixed block two (12) is provided with between described fixed block one (11) and die (42), described die (42), fixed block one (11) is connected mutually with fixed block two (12) three, protection pad (13) is provided with between described fixed block one (11) and die shoe (22).
CN201210592919.5A 2012-12-29 2012-12-29 A kind of punching die of vacuum booster upper push rod assembly Active CN102989863B (en)

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Publication number Priority date Publication date Assignee Title
CN105665569B (en) * 2016-03-29 2019-04-26 上海兴韬五金有限公司 A kind of the punching press pick-off unit and pickup method of stamped workpieces
CN109332477B (en) * 2018-09-27 2020-06-09 中国航发北京航空材料研究院 Mechanical sample punching device
CN110421061B (en) * 2019-08-10 2021-02-05 无锡市普发精密机械有限公司 Correcting method of special-shaped automobile pipe position correcting and punching machine
CN113102648B (en) * 2021-04-14 2022-01-14 惠州市美林模具有限公司 Blanking and blanking die and stamping processing equipment

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Address after: 317600 Yucheng street, Yucheng street, Yuhuan City, Taizhou, Zhejiang

Patentee after: Zhejiang Huifeng Automobile Parts Co., Ltd.

Address before: 317600 Jiefangtang Farm, Yucheng Street, Yuhuan County, Taizhou City, Zhejiang Province

Patentee before: Zhejiang Huifeng Autoparts MFG Co., Ltd.

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Punching die for upper push rod assembly of vacuum booster

Effective date of registration: 20210531

Granted publication date: 20150902

Pledgee: Agricultural Bank of China Limited by Share Ltd. Yuhuan branch

Pledgor: ZHEJIANG HUIFENG AUTO PARTS Co.,Ltd.

Registration number: Y2021980004124