CN213495934U - Trimming and punching die for automobile reinforcement - Google Patents
Trimming and punching die for automobile reinforcement Download PDFInfo
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- CN213495934U CN213495934U CN202021725779.0U CN202021725779U CN213495934U CN 213495934 U CN213495934 U CN 213495934U CN 202021725779 U CN202021725779 U CN 202021725779U CN 213495934 U CN213495934 U CN 213495934U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a trimming and punching die for an automobile reinforcement, belonging to the field of automobile die structures and comprising an upper die assembly and a lower die assembly which are sequentially arranged from top to bottom; the lower die assembly comprises a lower die base, a positioning lug is arranged on the lower die base, a first trimming portion and a second trimming portion are respectively arranged on the front side and the rear side of the positioning lug, a first blanking opening and a second blanking opening are respectively formed in the outer sides of the first trimming portion and the second trimming portion, the die assembly comprises an upper die base and a material pressing core, the material pressing core is provided with a positioning concave block, a first cutting knife and a second cutting knife are respectively arranged on the front side and the rear side of the positioning concave block, and a punching needle is arranged on the positioning concave block. Through the utility model discloses a mould realizes carrying out the deburring simultaneously and punching a hole to the car reinforcement, has saved stamping time, has shortened production cycle, and the waste material that is cut off drops from first blanking mouth and second blanking mouth, is convenient for to the recovery of waste material.
Description
Technical Field
The utility model relates to an automotive mold structure field especially relates to a deburring cut-out press of car reinforcement.
Background
The bent structure supported by the general sheet metal of the reinforcing part used on the automobile is punched and formed by a die during manufacturing, in the process of die forming, in order to fully utilize the use efficiency of the die and improve the production efficiency, a plurality of connected products are directly obtained by one-time processing, in the processing process of most spare and accessory part production plants, the redundant parts of the products are usually trimmed by adopting a machining method, the deformation of the formed products is easily caused in the processing process, the rejection rate of the products is improved, and the current situation that the processing efficiency is low and the processing procedure is complicated is caused by machining through the machining method.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a trimming cut-out press of car reinforcement.
To achieve the purpose, the utility model adopts the following technical proposal:
a trimming and punching die for an automobile reinforcement comprises an upper die assembly and a lower die assembly which are sequentially arranged from top to bottom;
the lower die assembly comprises a lower die base, two positioning lugs are symmetrically arranged on the lower die base, a first trimming part and a second trimming part are respectively arranged on the front side and the rear side of each positioning lug, a first blanking port and a second blanking port are respectively arranged on the outer sides of the first trimming part and the second trimming part, and a punching part is arranged on each positioning lug;
go up the mould subassembly and include the upper die base and press the material core, the pressure material core is established in the upper die base and slide from top to bottom in the upper die base, the surface of pressure material core is equipped with two location concave pieces, two location concave pieces and two location lug one-to-one from top to bottom, the front side and the rear side of location concave piece set up first cutting knife and second cutting off cutter respectively, first cutting knife is established the top of first blanking mouth, the cutting edge of first cutting knife with sliding fit about the cutting edge of first trimming portion, the cutting edge of second cutting off cutter with sliding fit about the cutting edge of second trimming portion, be equipped with the punching needle on the location concave piece, the punching needle with punching portion corresponds from top to bottom.
Preferably, the first trimming part comprises a first right-angle trimming block, a first cambered oblique table block, a straight line block, a second cambered oblique table block and a second right-angle trimming block which are sequentially arranged from left to right;
the cutting edge of the first cutting knife is respectively matched with the cutting edges of the first right-angle trimming block, the first cambered surface inclined platform block, the straight line block, the second cambered surface inclined platform block and the second right-angle trimming block;
the second trimming part comprises a third right-angle trimming block, a T-shaped trimming block and a fourth right-angle trimming block which are sequentially arranged from left to right;
and the blade of the second cutting-off cutter is respectively matched with the blades of the third right-angle trimming block, the T-shaped trimming block and the fourth straight-line trimming block.
Preferably, the lower die holder is further provided with a plurality of wedge-shaped cutting blocks, the wedge-shaped cutting blocks are vertically arranged on the outer side of the first trimming portion, and the cutting edges of the wedge-shaped cutting blocks are matched with the cutting edges of the first cutting knives.
Preferably, the lower die holder still is equipped with waste material slide and waste material baffle, the waste material slide is established the bottom of first blanking mouth, the waste material baffle is established respectively first blanking mouth and the edge on second blanking mouth top.
Preferably, the lower die base is further provided with an ejector rod, and the ejector rod is arranged at one end, opposite to the first trimming portion, of the first blanking port and located between the two wedge-shaped cutting blocks which are adjacently arranged.
Preferably, the punching needle comprises a fixed seat, an ejection male die and an ejection female die, one end of the ejection male die is connected with the fixed seat, the ejection female die is arranged on the punching part, the other end of the ejection male die corresponds to the ejection male die, and the fixed seat is connected with the upper die seat.
Preferably, a plurality of spring assemblies are arranged between the upper die base and the pressing core, each spring assembly comprises a spring fixing column and a spring guide pin, the spring guide pins are arranged in the spring fixing columns, and the bottom ends of the spring fixing columns and the spring guide pins are abutted to the tops of the pressing cores.
Preferably, the four corners of the lower die base are provided with lower guide bases, the four corners of the upper die base are provided with upper guide bases, and guide columns are arranged between the upper guide bases and the lower guide bases.
Preferably, the lower die base is further provided with a damping piece, and the edge of the upper die base corresponds to the damping piece up and down.
Preferably, the die further comprises gaskets, the gaskets are arranged at four corners of the material pressing core, and the surfaces of the gaskets are attached to the inner wall of the upper die base.
The utility model has the advantages that: through the utility model discloses a mould realizes carrying out the deburring simultaneously to the car reinforcement and punches a hole, stamping time has been saved, production cycle has been shortened, through set up first cutting off cutter on the upper die base, second cutting off cutter and punching pin, when pushing down the upper die assembly, the location lug of pressing the material core on to the die holder, first trimming portion and second trimming portion compress tightly, the die holder continues to push down, the realization is to the work piece at first trimming portion, the clout in second trimming portion cuts off, and punch a hole to punching portion realization, the waste material of being cut off drops from first blanking mouth and second blanking mouth, be convenient for to the recovery of waste material.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
Fig. 1 is a schematic structural view of a lower die assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an upper die assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an upper die holder according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the pressing core according to one embodiment of the present invention;
fig. 5 is an external structure diagram of one embodiment of the present invention;
fig. 6 is a schematic structural diagram of a punching needle according to an embodiment of the present invention.
Wherein: the upper die assembly 100, the lower die assembly 200, the lower die holder 210, the positioning lug 220, the first trimming portion 230, the second trimming portion 240, the first blanking port 251, the second blanking port 252, the upper die holder 110, the swaging core 120, the positioning concave block 130, the first cutting knife 141, the second cutting knife 142, the punching needle 150, the first right-angle trimming block 231, the first arc-shaped sloping table block 232, the straight line block 233, the second arc-shaped sloping table block 234, the second right-angle trimming block 235, the third right-angle trimming block 241, the T-shaped trimming block 242, the fourth right-angle trimming block 243, the wedge-shaped cutting block 244, the scrap sliding plate 261, the scrap baffle 262, the ejector rod 263, the fixed seat 151, the ejector punch 152, the ejector die 153, the spring assembly 270, the spring fixing column 271, the spring guide pin 272, the lower guide seat 271, the upper guide seat 161, the guide column 162, the shock absorber 281, and the gasket 171.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The trimming and punching die for the automobile reinforcement part of the embodiment comprises an upper die assembly 100 and a lower die assembly 200 which are sequentially arranged from top to bottom as shown in the attached drawings 1-5;
the lower die assembly 200 comprises a lower die base 210, two positioning lugs 220 are symmetrically arranged on the lower die base 210, a first trimming part 230 and a second trimming part 240 are respectively arranged on the front side and the rear side of each positioning lug 220, a first blanking port 251 and a second blanking port 252 are respectively arranged on the outer sides of the first trimming part 230 and the second trimming part 240, and a punching part is arranged on each positioning lug 220;
the upper die assembly 100 comprises an upper die holder 110 and a material pressing core 120, the material pressing core 120 is arranged in the upper die holder 110 and slides up and down in the upper die holder 110, two positioning concave blocks 130 are arranged on the surface of the material pressing core 120, the two positioning concave blocks 130 correspond to the two positioning convex blocks 220 up and down one by one, a first cutting knife 141 and a second cutting knife 142 are respectively arranged on the front side and the rear side of each positioning concave block 130, the first cutting knife 141 is arranged above the first blanking port 251, the cutting edge of the first cutting knife 141 is in up-down sliding fit with the cutting edge of the first trimming portion 230, the cutting edge of the second cutting knife 142 is in up-down sliding fit with the cutting edge of the second trimming portion 240, a punching needle 150 is arranged on the positioning concave block 130, and the punching needle 150 corresponds to the punching portion up and down.
Through the die of the embodiment, trimming and punching of the automobile reinforcement are simultaneously realized, the punching time is saved, and the production cycle is shortened, by arranging the first cutting knife 141, the second cutting knife 142 and the punching needle 150 on the upper die holder 110, when the upper die assembly 100 is pressed down, the material pressing core 120 tightly presses the positioning lug 220, the first trimming portion 230 and the second trimming portion 240 on the lower die holder 210, the lower die holder 210 continues to press down, the cutting of the excess material of the workpiece on the first trimming portion 230 and the second trimming portion 240 is realized, the punching needle 150 punches the punching hole portion, the cut waste material falls from the first blanking port 251 and the second blanking port 252, and the recovery of the waste material is convenient.
Preferably, as shown in fig. 1, the first trimming portion 230 includes a first straight trimming block 231, a first cambered frustum block 232, a straight trimming block 233, a second cambered frustum block 234 and a second straight trimming block 235, which are sequentially arranged from left to right;
the cutting edge of the first cutting knife 141 is respectively matched with the cutting edges of the first right-angle trimming block 231, the first cambered surface inclined platform block 232, the straight line block 233, the second cambered surface inclined platform block 234 and the second right-angle trimming block 235;
the second trimming part 240 includes a third right-angle trimming block 241, a T-shaped trimming block 242, and a fourth right-angle trimming block 243, which are sequentially arranged from left to right;
the cutting edge of the second cutting blade 142 is engaged with the cutting edges of the third right-angle trimming block 241, the T-shaped trimming block 242, and the fourth straight trimming block, respectively.
Arranging a first right-angle trimming block 231 and a second right-angle trimming block 235 to be matched with the first cutting knife 141, so that the two ends of the front side of the workpiece are cut into a right-angle shape; set up first cambered surface sloping platform piece 232 and second cambered surface sloping platform piece 234, be convenient for compress tightly the position that has the cambered surface sloping platform to the work piece front side with pressing material core 120 laminating from top to bottom, avoid appearing, defect such as resilience that leads to when the clout excision to the work piece, guaranteed the yield of processing.
The third right-angle trimming block 241 and the fourth right-angle trimming block 243 are arranged to be matched with the second cutting knife 142, so that the rear side of the workpiece is cut into a right-angle shape; the T-shaped trimming block 242 is arranged between the third right-angle trimming block 241 and the fourth right-angle trimming block 243, so that a process supplement strip extends from the position of the processed workpiece, which is reserved on the second trimming part 240, so as to meet the process requirement of subsequent drawing processing, and the subsequent processing is used for cutting, so that the product yield is ensured.
Because the shapes of the first trimming part 230 and the second trimming part 240 need to be attached to the shape of the workpiece to be machined, the first trimming part 230 consists of a first right-angle trimming block 231, a first cambered oblique table block 232, a straight line block 233, a second cambered oblique table block 234 and a second right-angle trimming block 235, and the second trimming part 240 consists of a third right-angle trimming block 241, a T-shaped trimming block 242 and a fourth right-angle trimming block 243, so that the trimming blocks can be machined conveniently, the machining difficulty is reduced, and the production cost is saved.
Further, the lower die holder 210 is further provided with a plurality of wedge-shaped cutting blocks 244, the wedge-shaped cutting blocks 244 are vertically arranged on the outer side of the first trimming portion 230, and the blade edge of the wedge-shaped cutting block 244 is matched with the blade edge of the first cutting knife 141.
Because the excess material area that first edging portion 230 and first cutting off sword 141 cooperate and cut off is great, consequently set up a plurality of wedge cutting off pieces 244 in the outside of first edging portion 230 for first cutting off sword 141 and the cooperation of a plurality of wedge cutting off pieces 244 further cut off the large tracts of land excess material after cutting off, prevent that the excess material card of large tracts of land is difficult for dropping in first blanking mouth 251 department, operating personnel need not have foreign object or hand to take out the excess material of card in first blanking mouth 251 department, guaranteed production safety, and reduced down time.
Further, the lower die holder 210 is further provided with a waste sliding plate 261 and a waste baffle 262, the waste sliding plate 261 is arranged at the bottom end of the first blanking port 251, and the waste baffle 262 is respectively arranged at the top end edges of the first blanking port 251 and the second blanking port 252.
A waste sliding plate 261 is arranged at the bottom end of the first blanking port 251 and used for guiding out cut residual materials, so that an operator can conveniently recover the residual materials; the waste baffle 262 is arranged at the top end edges of the first blanking port 251 and the second blanking port 252, so that cut-off excess materials or crushed materials are prevented from splashing to the surface of the lower die holder 210, and the normal operation of the die is ensured.
Further, the lower die holder 210 is further provided with an ejector rod 263, and the ejector rod 263 is arranged at one end of the first blanking port 251 opposite to the first trimming portion 230 and located between the two adjacent wedge-shaped cutting blocks 244.
When a workpiece to be machined is placed in, the ejector rods 263 prop against one side of the workpiece to be machined, which is far away from the first trimming part 230, so that the effect of limiting excess materials is achieved, and the workpiece is prevented from scratching the surface of the upper die base 110; when cutting off large-area excess materials, the material ejecting rod 263 is used for guiding the cut-off excess materials to fall to the first blanking port 251, so that the excess materials are cut off more efficiently.
Preferably, with reference to fig. 2 and 6, the punching needle 150 includes a fixed seat 151, an ejection punch 152 and an ejection die 153, one end of the ejection punch 152 is connected to the fixed seat 151, the punching portion is provided with the ejection die 153, the other end of the ejection punch 152 corresponds to the ejection punch 152, and the fixed seat 151 is connected to the upper die holder 110.
The punching of the punching part of the workpiece to be processed is realized through the matching of the ejection punch 152 arranged on the upper die holder 110 and the ejection die 153 arranged on the punching part of the lower die holder 210. The fixing seat 151 is arranged for increasing the contact area between the upper die holder 110 and the ejection male die 152, and the service life of the ejection male die 152 is prolonged.
Preferably, a plurality of spring assemblies 270 are arranged between the upper die holder 110 and the pressing core 120, each spring assembly 270 includes a spring fixing column 271 and a spring guide pin 272, each spring guide pin 272 is arranged in the spring fixing column 271, and the bottom ends of the spring fixing columns 271 and the spring guide pins 272 are both abutted against the top of the pressing core 120.
When the edge of the demolded product is cut, the shearing force is required to be generated between the material pressing core 120 and the first cutting knife 141 and the second cutting knife 142 arranged on the upper die holder 110 only by dislocation, and the spring assembly 270 is arranged between the upper die holder 110 and the material pressing core 120, so that when the material pressing core 120 and the upper die holder 110 are in relative motion by dislocation, the spring assembly 270 plays a role in buffering, and the spring assembly 270 provides elasticity after cutting off, so that the upper die holder 110 is upwards restored to the initial position. The spring fixing column 271 is used for accommodating the spring guide pin 272, so that the force bearing area between the spring guide pin 272 and the material pressing core and the upper die base is increased.
Preferably, the lower die holder 210 has lower guide seats 271 at four corners, the upper die holder 110 has upper guide seats 161 at four corners, and guide posts 162 are disposed between the upper guide seats 161 and the lower guide seats 271.
The upper guide seat 161, the lower guide seat 271 and the guide post 162 are arranged to guide the linear lifting motion of the upper die holder 110 and the lower die holder 210.
Preferably, the lower die base 210 is further provided with a shock absorbing member 281, and the edge of the upper die base 110 corresponds to the shock absorbing member 281 up and down.
The lower die holder 210 is provided with a damping piece 281 which plays a role in limiting the downward movement of the upper die holder 110; the shock absorbing member 281 is made of a polyurethane shock absorbing member PHBTN, and when the upper die holder 110 moves to be attached to the top end of the shock absorbing member 281, the shock absorbing member 281 also plays a role in absorbing load, so that strong shock generated by the lower die holder 210 is avoided, and the stability of the whole die is enhanced.
Preferably, the die further includes spacers 171, the spacers 171 are disposed at four corners of the die core 120, and a surface of the spacer 171 is attached to an inner wall of the upper die base 110.
The spacer 171 serves to reduce friction between the press core 120 and the upper die base 110, so that relative movement between the press core 120 and the upper die base 110 is smoother.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. The trimming and punching die for the automobile reinforcement is characterized by comprising an upper die assembly and a lower die assembly which are sequentially arranged from top to bottom;
the lower die assembly comprises a lower die base, two positioning lugs are symmetrically arranged on the lower die base, a first trimming part and a second trimming part are respectively arranged on the front side and the rear side of each positioning lug, a first blanking port and a second blanking port are respectively arranged on the outer sides of the first trimming part and the second trimming part, and a punching part is arranged on each positioning lug;
go up the mould subassembly and include the upper die base and press the material core, the pressure material core is established in the upper die base and slide from top to bottom in the upper die base, the surface of pressure material core is equipped with two location concave pieces, two location concave pieces and two location lug one-to-one from top to bottom, the front side and the rear side of location concave piece set up first cutting knife and second cutting off cutter respectively, first cutting knife is established the top of first blanking mouth, the cutting edge of first cutting knife with sliding fit about the cutting edge of first trimming portion, the cutting edge of second cutting off cutter with sliding fit about the cutting edge of second trimming portion, be equipped with the punching needle on the location concave piece, the punching needle with punching portion corresponds from top to bottom.
2. The trimming-punching die for the automobile reinforcing part, according to claim 1, wherein the first trimming portion comprises a first right-angle trimming block, a first cambered frustum block, a straight block, a second cambered frustum block and a second right-angle trimming block which are sequentially arranged from left to right;
the cutting edge of the first cutting knife is respectively matched with the cutting edges of the first right-angle trimming block, the first cambered surface inclined platform block, the straight line block, the second cambered surface inclined platform block and the second right-angle trimming block;
the second trimming part comprises a third right-angle trimming block, a T-shaped trimming block and a fourth right-angle trimming block which are sequentially arranged from left to right;
and the blade of the second cutting-off cutter is respectively matched with the blades of the third right-angle trimming block, the T-shaped trimming block and the fourth straight-line trimming block.
3. The trimming and punching die for the automobile reinforcing part according to claim 1, wherein a plurality of wedge-shaped cutting blocks are further arranged on the lower die holder, the wedge-shaped cutting blocks are vertically arranged on the outer side of the first trimming portion, and the cutting edges of the wedge-shaped cutting blocks are matched with the cutting edges of the first cutting knives.
4. The trimming and punching die for the automobile reinforcing part according to claim 1, wherein the lower die holder is further provided with a waste sliding plate and a waste baffle plate, the waste sliding plate is arranged at the bottom end of the first blanking port, and the waste baffle plate is respectively arranged at the edges of the top ends of the first blanking port and the second blanking port.
5. The trimming and punching die for the automobile reinforcing part according to claim 3, wherein the lower die holder is further provided with an ejector rod, and the ejector rod is arranged at one end, opposite to the first trimming portion, of the first blanking port and located between the two adjacent wedge-shaped cutting blocks.
6. The trimming and punching die for the automobile reinforcing part according to claim 1, wherein the punching needle comprises a fixed seat, an ejection male die and an ejection female die, one end of the ejection male die is connected with the fixed seat, the ejection female die is arranged on the punching part, the other end of the ejection male die corresponds to the ejection male die, and the fixed seat is connected with the upper die base.
7. The trimming and punching die for the automobile reinforcement part as claimed in claim 1, wherein a plurality of spring assemblies are arranged between the upper die base and the material pressing core, each spring assembly comprises a spring fixing column and a spring guide pin, the spring guide pin is arranged in the spring fixing column, and the bottom end of the spring fixing column and the bottom end of the spring guide pin are abutted against the top of the material pressing core.
8. The trimming and punching die for the automobile reinforcing part according to claim 1, wherein lower guide seats are arranged at four corners of the lower die seat, upper guide seats are arranged at four corners of the upper die seat, and guide columns are arranged between the upper guide seats and the lower guide seats.
9. The trimming and punching die for the automobile reinforcing part according to claim 1, wherein a shock absorbing part is further arranged on the lower die base, and the edge of the upper die base corresponds to the shock absorbing part up and down.
10. The trimming and punching die for the automobile reinforcing part, according to claim 1, further comprising gaskets, wherein the gaskets are arranged at four corners of the pressing core, and the surfaces of the gaskets are attached to the inner wall of the upper die base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021725779.0U CN213495934U (en) | 2020-08-18 | 2020-08-18 | Trimming and punching die for automobile reinforcement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021725779.0U CN213495934U (en) | 2020-08-18 | 2020-08-18 | Trimming and punching die for automobile reinforcement |
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| Publication Number | Publication Date |
|---|---|
| CN213495934U true CN213495934U (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021725779.0U Active CN213495934U (en) | 2020-08-18 | 2020-08-18 | Trimming and punching die for automobile reinforcement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213495934U (en) |
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2020
- 2020-08-18 CN CN202021725779.0U patent/CN213495934U/en active Active
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