CN112275903A - Multi-angle side punching die and method for automobile framework part - Google Patents
Multi-angle side punching die and method for automobile framework part Download PDFInfo
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- CN112275903A CN112275903A CN202011104788.2A CN202011104788A CN112275903A CN 112275903 A CN112275903 A CN 112275903A CN 202011104788 A CN202011104788 A CN 202011104788A CN 112275903 A CN112275903 A CN 112275903A
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- hydraulic cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to a multi-angle side punching die for automobile framework parts, which comprises an upper die and a lower die, wherein a profiling positioning block is fixed on the lower die, and two movable side pressing blocks and a reset assembly are arranged on the lower die in a sliding connection manner; the upper die is provided with a profiling material pressing plate and two side cutters; the lower surface of the movable side pressing block is provided with a plurality of first hydraulic cylinders and a plurality of mounting grooves, the output end of each first hydraulic cylinder is provided with a side punching punch, and the side surface of the movable side pressing block is provided with a plurality of openings; a plurality of second hydraulic cylinders are arranged in the lower die, the first hydraulic cylinders are communicated with the cylinder bodies of the second hydraulic cylinders through oil pipes, and reset pieces are arranged on the lower die; holistic structure is succinct and very compact, and whole volume is very little when can realizing the synchronous side purpose of punching a hole of multi-angle, and the quantity of first pneumatic cylinder and respective direction of punching a hole are very easily adjusted, and do not need extra too much to change to last mould regardless of punching how many holes, and the mould suitability is extremely strong, and overall cost is also lower.
Description
Technical Field
The invention relates to the technical field of automobile framework part machining dies, in particular to a multi-angle side punching die and a method for automobile framework parts.
Background
Automobile skeleton part is different according to the shape design, often need carry out the side of a plurality of angles and punch a hole, the mode that adopts at present is mostly to carry out side cut hole processing respectively or adopt a plurality of repeated side cut hole processes through the side cut sliding block set that multiunit side knife collocation corresponds, the flexibility that punches a hole of these two kinds of modes is all relatively poor, whole mould unit volume is comparatively huge, the structure is complicated to lead to the overall arrangement design degree of difficulty big, the debugging is very inconvenient, and the more degree of difficulty of debugging in the hole that needs synchronous side cut when adopting the former mode is big more, adjust also very inconvenient.
Disclosure of Invention
The invention aims to solve the technical problem of providing a multi-angle side punching die and a method for automobile framework parts, aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the multi-angle side punching die for the automobile framework part comprises an upper die and a lower die, wherein a profiling positioning block for positioning a workpiece is fixedly arranged on the lower die, and two movable side pressing blocks respectively positioned on the left side and the right side of the profiling positioning block and a reset assembly for resetting the movable side pressing blocks after sliding are arranged on the lower die in a sliding connection manner; the upper die is elastically connected with a profiling pressing plate and two side knives which drive the movable side pressing blocks in a one-to-one correspondence manner, one side of the lower end of each side knife is provided with a first inclined surface, and one side of the upper end of each movable side pressing block, which is far away from the profiling positioning block, is provided with a second inclined surface matched with the first inclined surface; the lower surface of the movable side pressing block is provided with a plurality of first hydraulic cylinders and a plurality of mounting grooves for correspondingly mounting the first hydraulic cylinders, the output ends of the first hydraulic cylinders are provided with side punching punches, the surface of one side of the movable side pressing block, facing the profiling positioning block, is provided with a plurality of holes which are communicated with the mounting grooves in a one-to-one correspondence manner and through which the side punching punches penetrate, the profiling positioning block is provided with a plurality of punching female dies which are in one-to-one correspondence with the side punching punches, and the orientations of the side punching punches are not completely the same; be provided with a plurality of one-to-one in the lower mould the second pneumatic cylinder of first pneumatic cylinder, first pneumatic cylinder with the cylinder body of second pneumatic cylinder passes through the oil pipe intercommunication, the expansion end of second pneumatic cylinder by the side sword triggers to remove will fluid is crowded into in the second pneumatic cylinder in the first pneumatic cylinder, be provided with on the lower mould right the piece that resets after the expansion end activity of second pneumatic cylinder.
The multi-angle side punching die for the automobile framework part is characterized in that the second hydraulic cylinder is longitudinally arranged in the lower die, a concave groove for installing the second hydraulic cylinder and a cover plate for sealing the concave groove are formed in the lower die, and a through hole for extending out of the movable end of the second hydraulic cylinder is formed in the cover plate; the side wall of the concave groove is provided with a groove for installing the oil pipe, and the groove is communicated with the upper surface of the lower die and the corresponding installation groove.
The multi-angle side punching die for the automobile framework part is characterized in that the reset piece is a reset spring, and the reset spring is arranged in the through hole; the reset spring sleeve is arranged on the movable end of the second hydraulic cylinder, one end of the reset spring sleeve is fixedly connected with the inner wall of the through hole, and the other end of the reset spring sleeve is fixedly connected with the movable end of the second hydraulic cylinder.
The invention relates to a multi-angle side punching die for automobile framework parts, wherein a wear-resistant sheet opposite to a movable end of a second hydraulic cylinder is arranged at the lower end of a side cutter.
The multi-angle side punching die for the automobile framework part is characterized in that the size of the concave groove is matched with that of the second hydraulic cylinder.
The invention relates to a multi-angle side punching die for automobile framework parts, wherein a height adjusting assembly for adjusting the height position of a second hydraulic cylinder is arranged in a concave groove, and the height adjusting assembly comprises a screw rod for driving the second hydraulic cylinder to vertically lift and a motor for driving the screw rod.
The multi-angle side punching die for the automobile framework part is characterized in that the front end of the side punching punch is flush with the surface of one side, facing the profiling positioning block, of the movable side pressing block in an initial state.
The multi-angle side punching method of the automobile framework part comprises the following steps of:
the first step is as follows: a workpiece is placed on a profiling positioning block of a lower die, then the upper die moves downwards, and two side knives respectively drive two movable side pressing blocks to slide on the lower die to press and hold the workpiece left and right;
the second step is that: the upper die continues to move downwards, the lower end of the side cutter is contacted with the end part of the movable end of the second hydraulic cylinder and presses the movable end of the second hydraulic cylinder downwards, the movable end of the second hydraulic cylinder is extruded to move downwards to press the internal oil into the first hydraulic cylinder through the oil pipe, and the movable end of the first hydraulic cylinder moves towards one side of the profiling positioning block;
the third step: the movable end of the first hydraulic cylinder moves to drive the side punching punch to extend out to punch a workpiece;
the fourth step: after the punching is completed, the upper die moves upwards, the reset piece drives the movable end of the second hydraulic cylinder to reset gradually, oil squeezed into the first hydraulic cylinder before is recovered, and the reset assembly resets the movable side pressure block.
The invention has the beneficial effects that: a workpiece is placed on a profiling positioning block of a lower die, then the upper die moves downwards, and two side knives respectively drive two movable side pressing blocks to slide on the lower die to press and hold the workpiece left and right; the upper die continues to move downwards, the lower end of the side cutter is contacted with the end part of the movable end of the second hydraulic cylinder and presses the movable end of the second hydraulic cylinder downwards, the movable end of the second hydraulic cylinder is extruded to move downwards to press the internal oil into the first hydraulic cylinder through the oil pipe, and the movable end of the first hydraulic cylinder moves towards one side of the profiling positioning block; the movable end of the first hydraulic cylinder moves to drive the side punching punch to extend out to punch a workpiece; after punching is completed, the upper die moves upwards, the reset piece drives the movable end of the second hydraulic cylinder to reset gradually, oil squeezed into the first hydraulic cylinder before is recovered, the reset assembly resets the movable side pressure block, and the side punching punch breaks away from a workpiece; holistic structure is succinct and very compact, and whole volume is very little when can realizing the synchronous side purpose of punching a hole of multi-angle, and in addition, the quantity of first pneumatic cylinder and respective direction of punching a hole are very easy to be adjusted, and do not need extra too much change to last mould regardless of punching how many holes, and the mould suitability is extremely strong, and overall cost is also lower.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
FIG. 1 is a sectional view of an automobile frame part with a multi-angle side punching die opened according to a preferred embodiment of the invention;
FIG. 2 is a bottom view of a movable side pressing block of the multi-angle side punching die for the automobile frame part according to the preferred embodiment of the invention;
FIG. 3 is a flow chart of a multi-angle side punching method for automobile frame parts according to a preferred embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
As shown in fig. 1 and also shown in fig. 2, the multi-angle side punching die for automobile frame parts according to the preferred embodiment of the invention comprises an upper die 1 and a lower die 2, wherein a profiling positioning block 20 for positioning a workpiece is fixedly arranged on the lower die 2, and two movable side pressing blocks 21 respectively positioned at the left side and the right side of the profiling positioning block 20 and a reset component (only a conventional reset component, such as a nitrogen spring, is adopted) for resetting the movable side pressing blocks 21 after sliding are arranged on the lower die 2 in a sliding connection manner; the upper die 1 is elastically connected with a profiling pressing plate 10 and two side knives 11 which correspondingly drive movable side pressing blocks one by one, one side of the lower end of each side knife 11 is provided with a first inclined surface 110, and one side of the upper end of each movable side pressing block 21, which deviates from the profiling positioning block 20, is provided with a second inclined surface 210 matched with the first inclined surface 110; the lower surface of the movable side pressing block 21 is provided with a plurality of first hydraulic cylinders 23 and a plurality of mounting grooves 211 for correspondingly mounting the same, the output end of the first hydraulic cylinders 23 is provided with side punching punches 24, the surface of one side of the movable side pressing block 21, which faces the profiling positioning block 20, is provided with a plurality of openings 212 which are communicated with the mounting grooves 210 in a one-to-one correspondence manner and through which the side punching punches 24 penetrate, the profiling positioning block 20 is provided with a plurality of punching female dies 200 which correspond to the side punching punches 24 in a one-to-one correspondence manner, and the orientations of the side punching punches 24 are not completely the same; a plurality of second hydraulic cylinders 25 corresponding to the first hydraulic cylinders 23 one by one are arranged in the lower die 2, the first hydraulic cylinders 23 are communicated with the cylinder bodies of the second hydraulic cylinders 25 through oil pipes 26, the movable ends of the second hydraulic cylinders 25 are triggered by the side cutters 11 to move so as to extrude oil in the second hydraulic cylinders 25 into the first hydraulic cylinders 23, and the lower die 2 is provided with a reset piece which resets after moving the movable ends of the second hydraulic cylinders 25;
a workpiece is placed on a profiling positioning block 20 of a lower die 2, then the upper die 1 moves downwards, and two side cutters 11 respectively drive two movable side pressing blocks 21 to slide on the lower die 2 to press and hold the workpiece left and right; the upper die 1 continues to move downwards, the lower end of the side cutter 11 contacts the end part of the movable end of the second hydraulic cylinder 25 and presses the movable end downwards, the movable end of the second hydraulic cylinder 25 is extruded to move downwards to press the internal oil into the first hydraulic cylinder 23 through the oil pipe 26, and the movable end of the first hydraulic cylinder 23 moves towards one side of the profiling positioning block 20; the movable end of the first hydraulic cylinder 23 moves to drive the side punching punch 24 to extend out to punch a workpiece; after the punching is finished, the upper die moves upwards, the reset piece drives the movable end of the second hydraulic cylinder 25 to reset gradually, the oil squeezed into the first hydraulic cylinder 23 before is recovered, the reset assembly resets the movable side pressing block 21, and the side punching punch 24 is separated from the workpiece; holistic structure is succinct and very compact, and whole volume is very little when can realizing the synchronous side purpose of punching a hole of multi-angle, and in addition, the quantity of first pneumatic cylinder 23 and respective direction of punching a hole are very easily adjusted, and do not need extra to go up the mould and excessively change regardless of how many holes of punching a hole, and the mould suitability is extremely strong, and overall cost is also lower.
Preferably, the second hydraulic cylinder 25 is longitudinally arranged in the lower die 2, a concave groove 28 for installing the second hydraulic cylinder and a cover plate 29 for sealing the concave groove are arranged in the lower die 2, and a through hole for extending the movable end of the second hydraulic cylinder 25 is arranged on the cover plate 29; the side wall of the concave groove 28 is provided with a slot 280 for installing an oil pipe, and the slot 280 is communicated with the upper surface of the lower die 2 and is communicated with the corresponding installation groove 211; the front stress of the second hydraulic cylinder 25 is guaranteed, the equipment loss caused by the lateral force is reduced, and the assembling structure is convenient and simple and is convenient to install and maintain.
Preferably, the reset piece is a reset spring, and the reset spring is arranged in the through hole; the reset spring is sleeved on the movable end of the second hydraulic cylinder 25, one end of the reset spring is fixedly connected with the inner wall of the through hole, and the other end of the reset spring is fixedly connected with the movable end of the second hydraulic cylinder 25; the integrity is good, the reset piece is convenient to assemble, and the reset reliability is good; it will be appreciated that the reset element may be otherwise provided.
Preferably, the lower end of the side cutter 11 is provided with a wear-resistant sheet 111 opposite to the movable end of the second hydraulic cylinder 25; the service life is guaranteed.
Preferably, the concave groove 28 is sized to match the size of the second hydraulic cylinder 25; and the stability is guaranteed.
Preferably, a height adjusting assembly (not shown) for adjusting the height position of the second hydraulic cylinder 25 is arranged in the concave groove 28, and the height adjusting assembly comprises a screw rod for driving the second hydraulic cylinder to vertically lift and a motor for driving the screw rod; the height of the second hydraulic cylinder can be conveniently adjusted, the oil quantity entering the first hydraulic cylinder during die assembly can be further adjusted, the stroke (punching stroke) of the movable end of the first hydraulic cylinder can be further adjusted, and the hydraulic die assembly device is convenient to adjust, good in reliability and convenient to automatically control;
it should be noted that the height adjusting assembly can also adopt other existing structures such as air cylinders, the strength problem needs to be considered during assembly, and damage to the upper die clamping pressure when the upper die clamping pressure is transmitted to the height adjusting assembly through the second hydraulic cylinder is avoided.
Preferably, in the initial state, the front end of the side punching punch 24 is flush with the surface of one side of the movable side pressing block 21 facing the profiling positioning block; the integrity is good.
According to the multi-angle side punching die for the automobile framework parts, as shown in figure 3, the multi-angle side punching method for the automobile framework parts comprises the following steps:
s01: a workpiece is placed on a profiling positioning block of a lower die, then the upper die moves downwards, and two side knives respectively drive two movable side pressing blocks to slide on the lower die to press and hold the workpiece left and right;
s02: the upper die continues to move downwards, the lower end of the side cutter is contacted with the end part of the movable end of the second hydraulic cylinder and presses the movable end of the second hydraulic cylinder downwards, the movable end of the second hydraulic cylinder is extruded to move downwards to press the internal oil into the first hydraulic cylinder through the oil pipe, and the movable end of the first hydraulic cylinder moves towards one side of the profiling positioning block;
s03: the movable end of the first hydraulic cylinder moves to drive the side punching punch to extend out to punch a workpiece;
s04: after the punching is finished, the upper die moves upwards, the reset piece drives the movable end of the second hydraulic cylinder to reset gradually, the oil squeezed into the first hydraulic cylinder before is recovered, and the reset assembly resets the movable side pressure block;
holistic structure is succinct and very compact, and whole volume is very little when can realizing the synchronous side purpose of punching a hole of multi-angle, and in addition, the quantity of first pneumatic cylinder and respective direction of punching a hole are very easy to be adjusted, and do not need extra too much change to last mould regardless of punching how many holes, and the mould suitability is extremely strong, and overall cost is also lower.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (8)
1. The multi-angle side punching die for the automobile framework parts comprises an upper die and a lower die and is characterized in that a profiling positioning block for positioning a workpiece is fixedly arranged on the lower die, and two movable side pressing blocks respectively positioned on the left side and the right side of the profiling positioning block and a reset assembly for resetting the movable side pressing blocks after sliding are arranged on the lower die in a sliding connection manner; the upper die is elastically connected with a profiling pressing plate and two side knives which drive the movable side pressing blocks in a one-to-one correspondence manner, one side of the lower end of each side knife is provided with a first inclined surface, and one side of the upper end of each movable side pressing block, which is far away from the profiling positioning block, is provided with a second inclined surface matched with the first inclined surface; the lower surface of the movable side pressing block is provided with a plurality of first hydraulic cylinders and a plurality of mounting grooves for correspondingly mounting the first hydraulic cylinders, the output ends of the first hydraulic cylinders are provided with side punching punches, the surface of one side of the movable side pressing block, facing the profiling positioning block, is provided with a plurality of holes which are communicated with the mounting grooves in a one-to-one correspondence manner and through which the side punching punches penetrate, the profiling positioning block is provided with a plurality of punching female dies which are in one-to-one correspondence with the side punching punches, and the orientations of the side punching punches are not completely the same; be provided with a plurality of one-to-one in the lower mould the second pneumatic cylinder of first pneumatic cylinder, first pneumatic cylinder with the cylinder body of second pneumatic cylinder passes through the oil pipe intercommunication, the expansion end of second pneumatic cylinder by the side sword triggers to remove will fluid is crowded into in the second pneumatic cylinder in the first pneumatic cylinder, be provided with on the lower mould right the piece that resets after the expansion end activity of second pneumatic cylinder.
2. The multi-angle side punching die for the automobile frame parts as claimed in claim 1, wherein the second hydraulic cylinder is longitudinally arranged in the lower die, a concave groove for mounting the second hydraulic cylinder and a cover plate for closing the concave groove are arranged in the lower die, and a through hole for extending the movable end of the second hydraulic cylinder is arranged on the cover plate; the side wall of the concave groove is provided with a groove for installing the oil pipe, and the groove is communicated with the upper surface of the lower die and the corresponding installation groove.
3. The multi-angle side punching die for the automobile frame part as claimed in claim 2, wherein the reset piece is a reset spring, and the reset spring is arranged in the through hole; the reset spring sleeve is arranged on the movable end of the second hydraulic cylinder, one end of the reset spring sleeve is fixedly connected with the inner wall of the through hole, and the other end of the reset spring sleeve is fixedly connected with the movable end of the second hydraulic cylinder.
4. The multi-angle side punching die for automobile frame parts according to claim 2, wherein the lower end of the side cutter is provided with a wear-resistant piece opposite to the movable end of the second hydraulic cylinder.
5. The multi-angle side-piercing die for automobile frame parts as claimed in claim 2, wherein the size of the concave groove matches the size of the second hydraulic cylinder.
6. The multi-angle side punching die for automobile frame parts according to claim 2, wherein a height adjusting assembly for adjusting the height position of the second hydraulic cylinder is arranged in the concave groove, and the height adjusting assembly comprises a screw rod for driving the second hydraulic cylinder to vertically ascend and descend and a motor for driving the screw rod.
7. The multi-angle side punching die for the automobile frame parts according to any one of claims 1 to 6, wherein in an initial state, the front end of the side punching punch is flush with the surface of one side of the movable side pressing block facing the profiling positioning block.
8. A multi-angle side punching method of automobile frame parts, the multi-angle side punching die of the automobile frame parts according to any one of claims 1 to 7, characterized by comprising the following steps:
the first step is as follows: a workpiece is placed on a profiling positioning block of a lower die, then the upper die moves downwards, and two side knives respectively drive two movable side pressing blocks to slide on the lower die to press and hold the workpiece left and right;
the second step is that: the upper die continues to move downwards, the lower end of the side cutter is contacted with the end part of the movable end of the second hydraulic cylinder and presses the movable end of the second hydraulic cylinder downwards, the movable end of the second hydraulic cylinder is extruded to move downwards to press the internal oil into the first hydraulic cylinder through the oil pipe, and the movable end of the first hydraulic cylinder moves towards one side of the profiling positioning block;
the third step: the movable end of the first hydraulic cylinder moves to drive the side punching punch to extend out to punch a workpiece;
the fourth step: after the punching is completed, the upper die moves upwards, the reset piece drives the movable end of the second hydraulic cylinder to reset gradually, oil squeezed into the first hydraulic cylinder before is recovered, and the reset assembly resets the movable side pressure block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011104788.2A CN112275903A (en) | 2020-10-15 | 2020-10-15 | Multi-angle side punching die and method for automobile framework part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011104788.2A CN112275903A (en) | 2020-10-15 | 2020-10-15 | Multi-angle side punching die and method for automobile framework part |
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| Publication Number | Publication Date |
|---|---|
| CN112275903A true CN112275903A (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011104788.2A Pending CN112275903A (en) | 2020-10-15 | 2020-10-15 | Multi-angle side punching die and method for automobile framework part |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114074143A (en) * | 2021-11-24 | 2022-02-22 | 江西翔铃实业有限公司 | Trimming device for wheel cover |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6040621A (en) * | 1983-08-11 | 1985-03-04 | Nissan Motor Co Ltd | Press die |
| US5606910A (en) * | 1993-04-26 | 1997-03-04 | Danly Corporation | Press-driven tool module in particular press-driven cross-punching or bending unit |
| CN104438586A (en) * | 2014-12-12 | 2015-03-25 | 李俊 | U-shaped support punching die |
| CN107138603A (en) * | 2017-06-29 | 2017-09-08 | 奇瑞汽车股份有限公司 | Hydraulic pressure side blow aperture apparatus |
| CN206951972U (en) * | 2017-05-04 | 2018-02-02 | 常州华治精密机械有限公司 | A kind of side blow cellular type diel |
| CN110465577A (en) * | 2019-09-18 | 2019-11-19 | 深圳数码模汽车技术有限公司 | A kind of automobile side plate part multi-plane die cutting die and its processing method |
| CN210877011U (en) * | 2019-11-11 | 2020-06-30 | 聊城市广利机械配件有限公司 | Lateral punching stamping mechanism |
-
2020
- 2020-10-15 CN CN202011104788.2A patent/CN112275903A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6040621A (en) * | 1983-08-11 | 1985-03-04 | Nissan Motor Co Ltd | Press die |
| US5606910A (en) * | 1993-04-26 | 1997-03-04 | Danly Corporation | Press-driven tool module in particular press-driven cross-punching or bending unit |
| CN104438586A (en) * | 2014-12-12 | 2015-03-25 | 李俊 | U-shaped support punching die |
| CN206951972U (en) * | 2017-05-04 | 2018-02-02 | 常州华治精密机械有限公司 | A kind of side blow cellular type diel |
| CN107138603A (en) * | 2017-06-29 | 2017-09-08 | 奇瑞汽车股份有限公司 | Hydraulic pressure side blow aperture apparatus |
| CN110465577A (en) * | 2019-09-18 | 2019-11-19 | 深圳数码模汽车技术有限公司 | A kind of automobile side plate part multi-plane die cutting die and its processing method |
| CN210877011U (en) * | 2019-11-11 | 2020-06-30 | 聊城市广利机械配件有限公司 | Lateral punching stamping mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114074143A (en) * | 2021-11-24 | 2022-02-22 | 江西翔铃实业有限公司 | Trimming device for wheel cover |
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Application publication date: 20210129 |