CN212190865U - Prepressing assisting bending die - Google Patents
Prepressing assisting bending die Download PDFInfo
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- CN212190865U CN212190865U CN202020449706.7U CN202020449706U CN212190865U CN 212190865 U CN212190865 U CN 212190865U CN 202020449706 U CN202020449706 U CN 202020449706U CN 212190865 U CN212190865 U CN 212190865U
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Abstract
The utility model discloses a mould of bending is assisted to pre-compaction, it includes: the device comprises an upper die base, an upper base plate, an upper template, a lower die base and a lower template, wherein the upper base plate is arranged on the lower end surface of the upper die base; a plurality of outer guide structures are arranged between the upper die holder and the lower die holder, and inner guide structures are arranged between the upper template and the lower template; a damping stroke limiting structure for preventing the upper die base from being excessively pressed down relative to the lower die base is arranged between the upper die base and the lower die base; the upper die plate is provided with a plurality of forming columns for prepressing a workpiece positioned on the upper end surface of the lower die plate when the upper die base is closed relative to the lower die base; the upper die plate is provided with a plurality of punches for punching and bending a workpiece positioned on the upper end surface of the lower die plate in a penetrating way, and the upper ends of the punches are propped by the upper base plate.
Description
The technical field is as follows:
the utility model relates to a mould product technical field refers in particular to a mould of bending is assisted to pre-compaction.
Background art:
the mould is a variety of moulds and tools for obtaining required products by injection moulding, blow moulding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The method realizes the processing of the appearance of the article mainly by changing the physical state of the formed material, and the article is called as 'industrial mother'.
Most structures of bending dies in the prior art are complex, the cost is high, the whole bending die is free of a guide structure, the operation precision is low in the die assembling process, the quality of workpieces is affected, and in addition, the bending die is free of a pre-pressing structure, the workpieces cannot be pre-positioned, and the quality of the workpieces can also be affected.
In view of the above, the present inventors propose the following.
The utility model has the following contents:
an object of the utility model is to overcome prior art not enough, provide a mould of bending is assisted in pre-compaction.
In order to solve the technical problem, the utility model discloses a following technical scheme: this mould of bending is assisted in pre-compaction includes: the device comprises an upper die base, an upper base plate arranged on the lower end face of the upper die base, an upper die plate arranged on the lower end face of the upper base plate, a lower die base arranged below the upper die base and matched with the upper die base, and a lower die plate arranged at the upper end of the lower die base and positioned below the upper die plate, wherein a plurality of elastic positioning thimble structures used for positioning workpieces placed on the upper end face of the lower die plate are arranged at the upper end of the lower die plate; a plurality of outer guide structures are arranged between the upper die holder and the lower die holder, and inner guide structures are arranged between the upper template and the lower template; a damping stroke limiting structure for preventing the upper die base from being excessively pressed down relative to the lower die base is arranged between the upper die base and the lower die base; the upper die plate is provided with a plurality of forming columns for prepressing a workpiece positioned on the upper end surface of the lower die plate when the upper die base is closed relative to the lower die base; the upper die plate is provided with a plurality of punches which are used for punching and bending a workpiece positioned on the upper end surface of the lower die plate in a penetrating way, and the upper ends of the punches are propped by the upper backing plate.
Furthermore, in the above technical solution, the elastic positioning thimble structure includes a positioning thimble penetrating through the lower template, a first spring penetrating through the lower template and located at a lower end of the positioning thimble, and a headless screw for limiting the first spring in the lower template, an upper end of the first spring is abutted against a lower end of the positioning thimble, a lower end of the first spring is in contact with the headless screw, an upper end of the positioning thimble extends out of a lower end surface of the lower template under an elastic force of the first spring, and an upper end of the positioning thimble is inserted into a positioning hole of the workpiece to position the workpiece.
Furthermore, in the above technical solution, the outer guide structure includes an outer guide sleeve disposed at the lower end of the upper die base, an outer guide post fixed on the lower die base and penetrating through the outer guide sleeve, and a guide spring sleeved on the outer guide post.
Furthermore, in the above technical solution, the inner guide structure includes an inner guide post disposed at the lower end of the upper template and an inner guide sleeve fixed on the lower template, the end of the inner guide post is inserted into the inner guide sleeve, and an opening at the upper end of the inner guide sleeve is provided with a guide oblique block.
Further, in the above technical scheme, the damping stroke limit structure includes an upper damping limiting block arranged on the periphery of the lower end of the upper die base and a lower damping limiting block arranged on the periphery of the lower die base and adapted to the upper damping limiting block, and the upper damping limiting block and the lower damping limiting block are high-strength rubber blocks.
Further, in the above technical solution, the lower end of the lower die base is further provided with a plurality of lower foot pads.
After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: when the utility model is used, a workpiece is placed on the upper end surface of the lower template, and the elastic positioning thimble structure positions the workpiece, so that the workpiece can not be displaced during production, the working quality is ensured, and the precision is favorably improved; because a plurality of outer guide structures are arranged between the upper die base and the lower die base, and an inner guide structure is arranged between the upper die plate and the lower die plate, the outer guide structures and the inner guide structures can ensure that the die assembly machine of the utility model has extremely stable and smooth operation and high operation precision in the die assembly process, the precision of punching and bending the workpiece by the punch is ensured, and the product quality is ensured; because be provided with between upper die base and the die holder and be used for preventing this upper die base shock attenuation stroke limit structure that the relative die holder of die holder excessively pushed down to this guarantees that the upper die base can not excessively push down this die holder, avoids too big and influence the quality of bending of punching press strength, also can not crush work piece, damage mould because pressure strength is too big, and shock attenuation stroke limit structure can reach the shock attenuation effect, avoids the noise, the order the utility model discloses extremely strong market competition has.
Description of the drawings:
fig. 1 is a structural view of the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
As shown in fig. 1, a pre-pressing assisted bending die includes: the device comprises an upper die holder 1, an upper padding plate 2 arranged on the lower end face of the upper die holder 1, an upper die plate 3 arranged on the lower end face of the upper padding plate 2, a lower die holder 4 arranged below the upper die holder 1 and matched with the upper die holder 1, and a lower die plate 5 arranged at the upper end of the lower die holder 4 and positioned below the upper die plate 3, wherein a plurality of elastic positioning thimble structures 6 used for positioning workpieces arranged on the upper end face of the lower die plate 5 are arranged at the upper end of the lower die plate 5; a plurality of outer guide structures 7 are arranged between the upper die holder 1 and the lower die holder 4, and an inner guide structure 8 is arranged between the upper template 3 and the lower template 5; a damping stroke limiting structure 9 for preventing the upper die holder 1 from being excessively pressed down relative to the lower die holder 4 is arranged between the upper die holder 1 and the lower die holder 4; the upper template 3 is provided with a plurality of forming columns 31 for prepressing a workpiece positioned on the upper end surface of the lower template 5 when the upper die holder 1 is matched with the lower die holder 4; a plurality of punches 32 for punching and bending a workpiece positioned on the upper end face of the lower template 5 are arranged in the upper template 3 in a penetrating manner, and the upper ends of the punches 32 are propped against the upper backing plate 2. When the utility model is used, a workpiece is placed on the upper end surface of the lower template 5, and the elastic positioning thimble structure 6 is used for positioning the workpiece, so that the workpiece can not be displaced during production, the working quality is ensured, and the precision is favorably improved; because a plurality of outer guide structures 7 are arranged between the upper die base 1 and the lower die base 4, and an inner guide structure 8 is arranged between the upper die plate 3 and the lower die plate 5, the outer guide structures 7 and the inner guide structure 8 can ensure that the die assembly process of the utility model has extremely stable and smooth operation and high operation precision, thereby ensuring the precision of punching and bending the workpiece by the punch and ensuring the product quality; because be provided with between upper die base 1 and the die holder 4 and be used for preventing this upper die base 1 damping stroke limit structure 9 that relative die holder 4 excessively pushed down to this guarantees that upper die base 1 can not excessively push down this die holder 4, avoids too big and influence the quality of bending of punching press strength, also can not crush work piece, damage mould because pressure strength is too big, and damping stroke limit structure 9 can reach the shock attenuation effect, avoids the noise, makes the utility model discloses extremely strong market competition has.
The elastic positioning thimble structure 6 comprises a positioning thimble 61 penetrating the lower die plate 5, a first spring 62 penetrating the lower die base 4 and located at the lower end of the positioning thimble 61, and a headless screw 63 used for limiting the first spring 62 in the lower die base 4, wherein the upper end of the first spring 62 is propped against the lower end of the positioning thimble 61, the lower end of the first spring 62 is in contact with the headless screw 63, the upper end of the positioning thimble 61 extends out of the lower end surface of the lower die plate 5 under the elastic acting force of the first spring 62, and the upper end of the positioning thimble 61 is inserted into a positioning hole of the workpiece, so as to position the workpiece, prevent the workpiece from moving, and ensure the bending precision and the working quality.
The outer guide structure 7 includes an outer guide sleeve 71 disposed at the lower end of the upper die holder 1, an outer guide post 72 fixed on the lower die holder 4 and passing through the outer guide sleeve 71, and a guide spring 73 sleeved on the outer guide post 72. The inner guide structure 8 comprises an inner guide post 81 arranged at the lower end of the upper template 3 and an inner guide sleeve 82 fixed on the lower template 5, the end of the inner guide post 81 is inserted into the inner guide sleeve 82, and a guide oblique block 83 is arranged at an opening at the upper end of the inner guide sleeve 82.
The shock absorbing stroke limiting structure 9 comprises an upper shock absorbing limiting block 91 arranged on the periphery of the lower end of the upper die base 1 and a lower shock absorbing limiting block 92 arranged on the periphery of the lower die base 4 and matched with the upper shock absorbing limiting block 91, and the upper shock absorbing limiting block 91 and the lower shock absorbing limiting block 92 are high-strength rubber blocks. The utility model discloses after the compound die, when going up shock attenuation stopper 91 and shock attenuation stopper 92 contact down, still can reach the shock attenuation effect, avoid producing the noise.
The lower end of the lower die base 4 is also provided with a plurality of lower foot pads 41.
To sum up, when the utility model is used, a workpiece is placed on the upper end surface of the lower template 5, and the elastic positioning thimble structure 6 positions the workpiece, so that the workpiece can not be displaced during production, the working quality is ensured, and the precision is improved; because a plurality of outer guide structures 7 are arranged between the upper die base 1 and the lower die base 4, and an inner guide structure 8 is arranged between the upper die plate 3 and the lower die plate 5, the outer guide structures 7 and the inner guide structure 8 can ensure that the die assembly process of the utility model has extremely stable and smooth operation and high operation precision, thereby ensuring the precision of punching and bending the workpiece by the punch and ensuring the product quality; because be provided with between upper die base 1 and the die holder 4 and be used for preventing this upper die base 1 damping stroke limit structure 9 that relative die holder 4 excessively pushed down to this guarantees that upper die base 1 can not excessively push down this die holder 4, avoids too big and influence the quality of bending of punching press strength, also can not crush work piece, damage mould because pressure strength is too big, and damping stroke limit structure 9 can reach the shock attenuation effect, avoids the noise, makes the utility model discloses extremely strong market competition has.
Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.
Claims (6)
1. A pre-compaction assisting bending die comprises: upper die base (1), install in upper padding plate (2) of terminal surface under this upper die base (1) and set up in cope match-plate pattern (3) of terminal surface under this upper padding plate (2), install in this upper die base (1) below and with lower bolster (4) of this upper die base (1) adaptation and set up in lower bolster (4) upper end and be located lower bolster (5) of this cope match-plate pattern (3) below, its characterized in that:
the upper end of the lower template (5) is provided with a plurality of elastic positioning thimble structures (6) used for positioning workpieces placed on the upper end surface of the lower template; a plurality of outer guide structures (7) are arranged between the upper die holder (1) and the lower die holder (4), and an inner guide structure (8) is arranged between the upper template (3) and the lower template (5); a damping stroke limit structure (9) for preventing the upper die holder (1) from being excessively pressed down relative to the lower die holder (4) is arranged between the upper die holder (1) and the lower die holder (4); the upper template (3) is provided with a plurality of forming columns (31) for prepressing a workpiece positioned on the upper end surface of the lower template (5) when the upper die holder (1) is matched with the lower die holder (4); the upper template (3) is provided with a plurality of punches (32) which are used for punching and bending the workpiece positioned on the upper end surface of the lower template (5), and the upper ends of the punches (32) are propped against the upper backing plate (2).
2. The pre-pressing assisted bending die according to claim 1, wherein: the elastic positioning thimble structure (6) comprises a positioning thimble (61) arranged in the lower template (5) in a penetrating manner, a first spring (62) arranged in the lower die base (4) and positioned at the lower end of the positioning thimble (61), and a headless screw (63) used for limiting the first spring (62) in the lower die base (4), wherein the upper end of the first spring (62) is propped against the lower end of the positioning thimble (61), the lower end of the first spring (62) is contacted with the headless screw (63), the upper end of the positioning thimble (61) extends out of the lower end surface of the lower template (5) under the elastic acting force of the first spring (62), and the upper end of the positioning thimble (61) is also inserted into a positioning hole of the workpiece so as to position the workpiece.
3. The pre-pressing assisted bending die according to claim 2, wherein: the outer guide structure (7) comprises an outer guide sleeve (71) arranged at the lower end of the upper die holder (1), an outer guide column (72) fixed on the lower die holder (4) and penetrating through the outer guide sleeve (71), and a guide spring (73) sleeved on the outer guide column (72).
4. The pre-pressing assisted bending die according to claim 3, wherein: the inner guide structure (8) comprises an inner guide column (81) arranged at the lower end of the upper template (3) and an inner guide sleeve (82) fixed on the lower template (5), the end part of the inner guide column (81) is inserted into the inner guide sleeve (82), and a guide inclined block (83) is arranged at an opening at the upper end of the inner guide sleeve (82).
5. A pre-pressing assisted bending die according to any one of claims 1 to 4, characterized in that: shock attenuation stroke limit structure (9) including set up in upper die base (1) lower extreme outlying last shock attenuation stopper (91) and set up in die holder (4) periphery and with lower shock attenuation stopper (92) of last shock attenuation stopper (91) adaptation, should go up shock attenuation stopper (91) and shock attenuation stopper (92) down and be the excel power rubber block.
6. The pre-pressing assisted bending die according to claim 5, wherein: the lower end of the lower die holder (4) is also provided with a plurality of lower foot pads (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020449706.7U CN212190865U (en) | 2020-03-30 | 2020-03-30 | Prepressing assisting bending die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020449706.7U CN212190865U (en) | 2020-03-30 | 2020-03-30 | Prepressing assisting bending die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212190865U true CN212190865U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020449706.7U Active CN212190865U (en) | 2020-03-30 | 2020-03-30 | Prepressing assisting bending die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212190865U (en) |
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2020
- 2020-03-30 CN CN202020449706.7U patent/CN212190865U/en active Active
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