CN210816994U - Semi-universal mold structure for flat-plate arc pressing process - Google Patents
Semi-universal mold structure for flat-plate arc pressing process Download PDFInfo
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- CN210816994U CN210816994U CN201920955856.2U CN201920955856U CN210816994U CN 210816994 U CN210816994 U CN 210816994U CN 201920955856 U CN201920955856 U CN 201920955856U CN 210816994 U CN210816994 U CN 210816994U
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000003825 pressing Methods 0.000 title claims abstract description 13
- 238000004080 punching Methods 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 15
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
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Abstract
The utility model discloses a semi-universal mould structure for a flat plate arc pressing process, which mainly comprises an upper mould universal part and a lower mould special part; the upper die universal part comprises an upper fixing plate and an upper working plate; the upper fixing plate is fixed with a descending slide block of a common punching machine tool; the upper working plate is fixed below the upper fixing plate; the special lower die part is freely placed on the working table of the punching machine below the universal upper die part; the special part of the lower die comprises a lower working plate, a rubber block and a stripping plate; the top of the lower working plate is provided with a self-positioning arc boss, and the middle part of the lower working plate is provided with a rubber block groove and a stripper plate groove; the rubber block and the stripper plate are respectively arranged in the rubber block groove and the stripper plate groove. The device of the utility model is simple in structure, the practicality is strong, can realize the semi-universal of mould, and the clamping and the retooling time of the traditional mould that have significantly reduced improve production efficiency, are fit for using widely in big batch industrial production.
Description
Technical Field
The utility model belongs to the technical field of automobile parts makes, concretely relates to semi-commonality mould structure for flat board pressure circular arc technology.
Background
The clutch is a key component of an automobile transmission system, the diaphragm spring is a key force application element in the clutch component, and the requirement on the quality of a punched cutting surface is high. In particular, the punched section of the rivet window needs to be designed with a destressing circular arc. Because general fillet forming dies all belong to movable dies, when the destressing circular arc processing of the diaphragm spring rivet window is carried out, a workpiece needs to be clamped firstly, the position of the workpiece is placed and fixed, and the fillet stamping processing can be carried out only after the processing position is over against the forming die; when diaphragm springs of different sizes and models are processed, the previous die needs to be removed, and a corresponding new die needs to be replaced. However, as the number of rivet windows of the diaphragm spring is large, the types of the diaphragm spring are also rich, and a large amount of time is consumed in workpiece clamping and die replacement when the traditional processing equipment and method are adopted for large-batch fillet processing in industry; the positioning precision of the conventional die structure is difficult to stabilize, and if clamping is not in place, the yield is greatly reduced; meanwhile, the traditional special die cannot be used universally, the development cost of one set of traditional special die is high, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to prior art, provides a semi-commonality mould structure for flat board pressure circular arc technology, the device of the utility model is simple in structure, and the practicality is strong, can realize the semi-universal of mould, and the clamping and the retooling time of the traditional mould that have significantly reduced improve production efficiency, are fit for using widely in big batch industrial production.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a semi-universal mould structure for a flat plate arc pressing process comprises an upper mould universal part and a lower mould special part; the upper die universal part comprises an upper fixing plate and an upper working plate; the upper fixing plate is fixed with a descending slide block of a common punching machine tool; the upper working plate is fixed below the upper fixing plate; the special lower die part is freely placed on the working table of the punching machine below the universal upper die part; the special part of the lower die comprises a lower working plate, a rubber block and a stripping plate; the top of the lower working plate is provided with a self-positioning arc boss, and the middle part of the lower working plate is provided with a rubber block groove and a stripper plate groove; the rubber block and the stripper plate are respectively arranged in the rubber block groove and the stripper plate groove.
As a further technical improvement, an arc chamfer is arranged at the joint of the self-positioning arc boss and the lower working plate; a straight wall positioning surface with the height of at least 0.3mm is arranged from the top of the arc chamfer to the top surface of the self-positioning arc boss; the height of the self-positioning arc boss is 0.2-0.5 mm lower than the thickness of a product clamped and processed by the die, and the die draft angle is 5-10 degrees. By the design, the fillet of the diaphragm spring window section can be better formed, internal stress can be removed favorably, damage to workpieces in the subsequent heat treatment process is avoided, and the diaphragm spring and the die can be separated conveniently after machining is completed.
As a further technical improvement, at least four groups of laser positioning heads are distributed on the edge of the upper working plate. The laser positioning head emits laser downwards for obviously marking the effective working range of the upper working plate, and the special part of the lower die is convenient to place.
As a further technical improvement, screw holes are respectively arranged at the corresponding positions of the upper fixing plate and the upper working plate; and screwing a bolt into the screw hole to fix the upper fixing plate and the upper working plate. The upper fixing plate and the upper working plate are fixed through bolts, are tightly combined and are convenient to disassemble and assemble.
As a further technical improvement, the size of the universal part of the upper die is unique, and the special part of the lower die is provided with different sizes and models according to the size of a product actually processed. The upper die universal part is suitable for processing various diaphragm spring window section fillets, and only different lower die special parts need to be replaced when different types of diaphragm spring window section fillets are processed.
As a further technical improvement, the radial size of the universal part of the upper die is larger than that of the special parts of the lower dies of all different models. The radial size of the universal part of the upper die is larger, and the universal part of the upper die is suitable for processing various diaphragm spring window section fillets.
The utility model discloses a theory of operation:
1) preparing for stamping: selecting a corresponding special part of the lower die according to the processing requirement; opening the equipment, wherein the laser positioning head emits a laser beam downwards at the moment, and a light spot with a certain range is formed on a workbench of the punching machine tool, and the range is the effective working range of the upper working plate; placing the special part of the lower die in the effective working range of the upper working plate;
2) clamping a workpiece: placing a workpiece to be processed on a lower working plate of the special part of the lower die; a window punching through hole on the workpiece is sleeved on the self-positioning arc boss, so that automatic positioning and alignment are realized;
3) pressing a fillet: operating the machine tool, and controlling a descending slide block of the machine tool to drive the upper die universal part to move downwards; the upper working plate contacts the workpiece firstly and continues to press downwards; the stripper plate compresses and deforms the rubber block, and the section of a window punching through hole on the workpiece is in contact with the arc chamfer at the root of the self-positioning arc boss until an arc state required by the process is extruded at the section of the window punching;
5) taking a workpiece: and lifting the down slide block of the machine tool, separating the upper working plate from the workpiece, recovering the rubber block, and separating the workpiece from the self-positioning arc boss through the stripper plate.
Compared with the prior art, the utility model discloses the beneficial effect who possesses:
1. the utility model discloses be equipped with self-align circular arc boss and circular arc chamfer on the special part of lower mould to establish the special part of lower mould into the cover half, make down the special part possess work piece location and fillet fashioned function simultaneously, will go up the mould universal part and establish to the movable mould, need not to carry out the accurate clamping of work piece when adding man-hour, saved a large amount of generation time, very big improvement work efficiency.
2. The utility model discloses an it is great to go up mould universal section radial dimension, is applicable to the processing of various different specification model diaphragm spring window section fillets, only need change during the diaphragm spring of processing different models the special part of lower mould can, reduced the retooling time in the traditional processing technology, improved the efficiency of product processing.
3. The utility model discloses a from the positioning circular arc boss right, the diaphragm spring position is fixed a position, and easy operation is swift, does not receive the positioning deviation to influence, and simultaneously from positioning circular arc boss size reasonable in design can form the destressing fillet that is fit for on the diaphragm spring window section.
4. The utility model discloses an effective work area of work board on the first obvious mark of laser positioning, only need during the use with the special part of lower mould place in this effective work area can, simplified production operation flow, possess stronger popularization nature.
Drawings
Fig. 1 is a schematic view of an overall structure of an apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a general upper mold part in an embodiment of the present invention.
Fig. 3 is a schematic structural view of a special portion of a lower mold according to an embodiment of the present invention.
Fig. 4 is a schematic view of a self-positioning circular arc boss structure in an embodiment of the present invention.
Reference numerals: 1-universal upper die part, 2-special lower die part, 3-upper fixing plate, 4-upper working plate, 5-screw hole, 6-laser positioning head, 7-lower working plate, 8-rubber block, 9-demoulding plate, 10-self-positioning circular arc boss, 11-rubber block groove, 12-demoulding plate groove, 13-workpiece, 14-circular arc chamfer and 15-straight wall positioning surface.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-4, a semi-universal mold structure for a flat plate arc pressing process comprises an upper mold universal part 1 and a lower mold special part 2; the upper die universal part 1 comprises an upper fixing plate 3 and an upper working plate 4; the upper fixing plate 3 is fixed with a descending slide block of a general punching machine tool; the upper working plate 4 is fixed below the upper fixing plate 3; the lower die special part 2 is freely placed on the working table of the punching machine below the upper die general part 1; the lower die special part 2 comprises a lower working plate 7, a rubber block 8 and a stripping plate 9; the top of the lower working plate 7 is provided with a self-positioning arc boss 10, and the middle part of the lower working plate is provided with a rubber block groove 11 and a stripper plate groove 12; the rubber block 8 and the stripper plate 9 are respectively arranged in the rubber block groove 11 and the stripper plate groove 12.
An arc chamfer 14 is arranged at the joint of the self-positioning arc boss 10 and the lower working plate 7; a straight wall positioning surface 15 with the height of at least 0.3mm is arranged from the top of the arc chamfer 14 to the top surface of the self-positioning arc boss 10; the height of the self-positioning arc boss 10 is 0.2 lower than the thickness of a product clamped and processed by the die, and the die draft is 5 degrees. By the design, the fillet of the diaphragm spring window section can be better formed, internal stress can be removed favorably, damage to workpieces in the subsequent heat treatment process is avoided, and the diaphragm spring and the die can be separated conveniently after machining is completed.
At least four groups of laser positioning heads 6 are distributed at the edge of the upper working plate 4. The laser positioning head 6 emits laser downwards for obviously marking the effective working range of the upper working plate 4, and the special lower die part 2 is convenient to place.
The utility model discloses a use method as follows:
preparing for stamping: selecting a corresponding lower die special part 2 according to the processing requirement; opening the equipment, wherein the laser positioning head 6 emits a laser beam downwards at the moment, and a light spot with a certain range is formed on the workbench of the punching machine tool, and the range is the effective working range of the upper working plate 4; placing the special lower die part 2 in the effective working range of the upper working plate 4; clamping a workpiece: placing a workpiece 13 to be machined on the lower working plate 7 of the lower die dedicated part 2; a window punching through hole on the workpiece 13 is sleeved on the self-positioning arc boss 10, so that automatic positioning and alignment are realized; pressing a fillet: operating the machine tool, and controlling a descending slide block of the machine tool to drive the upper die universal part 1 to move downwards; the upper working plate 4 firstly contacts the workpiece 13 and continues to press downwards; the stripper plate 9 compresses and deforms the rubber block 8, and the section of a window punching through hole on the workpiece 13 starts to contact with the arc chamfer 14 at the root of the self-positioning arc boss 10 until an arc state required by the process is extruded at the section of the window punching; taking a workpiece: the machine tool descending slide block rises back, the upper working plate 4 is separated from the workpiece 13, the rubber block 8 is recovered, and the workpiece 13 is separated from the self-positioning arc boss 10 through the stripping plate 9.
Example 2:
this example differs from example 1 in that: screw holes 5 are respectively arranged at the corresponding positions of the upper fixing plate 3 and the upper working plate 4; and screwing bolts into the screw holes 5 to fix the upper fixing plate 3 and the upper working plate 4. The upper fixing plate 3 and the upper working plate 4 are fixed through bolts, are tightly combined and are convenient to disassemble and assemble. The height of the self-positioning arc boss 10 is 0.5 lower than the thickness of a product clamped and processed by the die, and the die draft angle is 10 degrees.
The method of use of this example is the same as example 1.
Example 3:
this example differs from example 2 in that: the size of the upper die universal part 1 is unique, and the lower die special part 2 is provided with different size models according to the size of a product which is actually processed. Go up mould universal part 1 and be applicable to the processing of multiple diaphragm spring window section fillet, only need change different lower mould special part 2 can when processing the diaphragm spring window section fillet of different models. The radial size of the upper die universal part 1 is larger than that of all lower die special parts 2 of different models. The upper die universal part 1 is large in radial size and applicable to machining of various diaphragm spring window section fillets. The height of the self-positioning arc boss 10 is 0.4 lower than the thickness of a product clamped and processed by the die, and the die draft angle is 8 degrees.
The method of use of this example is the same as example 1.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A semi-universal mould structure for a flat plate arc pressing process comprises an upper mould universal part (1) and a lower mould special part (2); the method is characterized in that: the upper die universal part (1) comprises an upper fixing plate (3) and an upper working plate (4); the upper fixing plate (3) is fixed with a down slide block of a general punching machine tool; the upper working plate (4) is fixed below the upper fixing plate (3);
the special lower die part (2) is freely placed on the working table of the punching machine below the universal upper die part (1); the special lower die part (2) comprises a lower working plate (7), a rubber block (8) and a stripping plate (9); the top of the lower working plate (7) is provided with a self-positioning arc boss (10), and the middle part of the lower working plate is provided with a rubber block groove (11) and a stripper plate groove (12); the rubber block (8) and the stripper plate (9) are respectively arranged in a rubber block groove (11) and a stripper plate groove (12).
2. The semi-universal mold structure for flat plate arc pressing process according to claim 1, wherein: an arc chamfer (14) is arranged at the joint of the self-positioning arc boss (10) and the lower working plate (7); a straight wall positioning surface (15) with the height of at least 0.3mm is arranged from the top of the arc chamfer (14) to the top surface of the self-positioning arc boss (10); the height of the self-positioning arc boss (10) is 0.2-0.5 mm lower than the thickness of a product clamped and processed by the die, and the die draft is 5-10 degrees.
3. The semi-universal mold structure for flat plate arc pressing process according to claim 1, wherein: at least four groups of laser positioning heads (6) are distributed at the edge of the upper working plate (4).
4. The semi-universal mold structure for flat plate arc pressing process according to claim 1, wherein: screw holes (5) are respectively arranged at the corresponding positions of the upper fixing plate (3) and the upper working plate (4); and screwing a bolt into the screw hole (5) to fix the upper fixing plate (3) and the upper working plate (4).
5. The semi-universal mold structure for flat plate arc pressing process according to claim 1, wherein: the size of the upper die universal part (1) is unique, and the lower die special part (2) is provided with different size models according to the size of a product actually processed.
6. The semi-universal mold structure for flat plate arc pressing process according to claim 5, wherein: the radial size of the upper die universal part (1) is larger than that of all lower die special parts (2) of different models.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920955856.2U CN210816994U (en) | 2019-06-24 | 2019-06-24 | Semi-universal mold structure for flat-plate arc pressing process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920955856.2U CN210816994U (en) | 2019-06-24 | 2019-06-24 | Semi-universal mold structure for flat-plate arc pressing process |
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| CN210816994U true CN210816994U (en) | 2020-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355274A (en) * | 2019-06-24 | 2019-10-22 | 桂林福达股份有限公司 | A kind of flat-plate compressed circular arc technique and half versatility mould structure and its application method |
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2019
- 2019-06-24 CN CN201920955856.2U patent/CN210816994U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355274A (en) * | 2019-06-24 | 2019-10-22 | 桂林福达股份有限公司 | A kind of flat-plate compressed circular arc technique and half versatility mould structure and its application method |
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