CN214290331U - Punching die for automobile reinforcing part - Google Patents
Punching die for automobile reinforcing part Download PDFInfo
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- CN214290331U CN214290331U CN202021727351.XU CN202021727351U CN214290331U CN 214290331 U CN214290331 U CN 214290331U CN 202021727351 U CN202021727351 U CN 202021727351U CN 214290331 U CN214290331 U CN 214290331U
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Abstract
The utility model discloses a punching die for an automobile reinforcing part, which belongs to the field of automobile dies and comprises an upper die assembly and a lower die assembly; the lower die assembly comprises a lower die base and a side punching mechanism, two positioning lugs are arranged on the lower die base, the upper surfaces of the two positioning lugs are first punching parts, a second punching part is arranged between the two positioning lugs, and the front sides of the two positioning lugs are third punching parts; the upper die assembly comprises an upper die base and a pressing core, two positioning concave blocks are arranged on the surface of the pressing core and vertically correspond to the positioning convex blocks, a plurality of punching needles are arranged on the pressing core and vertically correspond to the first punching part and the second punching part respectively. Through the utility model discloses a mould realizes punching a hole simultaneously to a plurality of surfaces and the side of car reinforcement, has saved stamping time, has shortened production cycle.
Description
Technical Field
The utility model relates to an auto mold field especially relates to a cut-out press of car reinforcement.
Background
The reinforcing part used on an automobile is generally of a curved structure supported by sheet metal, the reinforcing part is punched and molded by a die during manufacturing, 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 production plants, the redundant parts of the products are usually trimmed by adopting a mechanical processing method, and the existing die for punching the surface and the side surface of the automobile reinforcing part easily causes the defects of surface scratch of the reinforcing part, overlarge punching burrs and the like during punching.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cut-out press of car reinforcement.
To achieve the purpose, the utility model adopts the following technical proposal:
a punching die for an automobile reinforcing part comprises an upper die assembly and a lower die assembly which are arranged up and down;
the lower die assembly comprises a lower die base and a side punching mechanism, two positioning convex blocks which are arranged left and right are arranged on the lower die base, the upper surfaces of the two positioning convex blocks are first punching parts, a second punching part is arranged between the two positioning convex blocks, the front sides of the two positioning convex blocks are third punching parts, the side punching mechanism is arranged on the lower die base, and when the upper die base is pressed down to the driving end of the side punching mechanism, the punching end of the side punching mechanism corresponds to the third punching part;
the upper die assembly comprises an upper die base and a pressing core, the pressing core is arranged in the upper die base and slides up and down in the upper die base, two positioning concave blocks are arranged on the surface of the pressing core and correspond to the two positioning convex blocks one by one up and down, and a plurality of punching needles are arranged on the pressing core and correspond to the first punching part and the second punching part up and down respectively.
Preferably, the side punching mechanism comprises a wedge and a slant punching needle, one end of the slant punching needle is connected to the telescopic end of the wedge, and the other end of the punching needle corresponds to the third punching portion.
Preferably, a lower cutting block is arranged on the rear side of the second punching hole portion, an upper cutting block is arranged on the upper die base, the upper cutting block is arranged on the rear side of the lower cutting block, a blade of the upper cutting block is in up-and-down sliding fit with a blade of the lower cutting block, a blanking port is formed in the lower die base, and the blanking port is arranged below the upper cutting block.
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 first punching part and the second punching part, and the other end of the ejection male die corresponds to the ejection male die.
Preferably, the lower die holder is further provided with a waste sliding plate and a waste baffle, the waste sliding plate is arranged at the bottom end of the blanking port, and the waste baffle is arranged at the edge of the top end of the blanking port respectively.
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 a first gasket and a second gasket, wherein the first gasket is arranged at four corners of the material pressing core, and the surface of the first gasket is attached to the inner wall of the upper die holder; the die comprises a lower die base, an upper die base and a second gasket, wherein the lower die base is provided with a front side and a rear side, the upper die base is provided with a front side and a rear side, the front side and the rear side of the upper die base are provided with an upper supporting column, one side of the second gasket is connected with the inner side of the upper supporting column, and the other side of the second gasket is in sliding fit with the outer side of the lower supporting column.
Preferably, many first mounting grooves that transversely set up are seted up to the bottom of location lug, it is equipped with many second mounting grooves to correspond on the die holder, first mounting groove with the second mounting groove corresponds from top to bottom, be equipped with the fixed block in the first mounting groove, the fixed block supports the inboard of second mounting groove.
The utility model has the advantages that: through the utility model discloses a mould realizes punching a hole simultaneously to a plurality of surfaces and the side of car reinforcement, stamping time has been saved, production cycle has been shortened, through setting up the punching needle on the upper die base, and the side punching mechanism that sets up on the die holder, make when pushing down the upper die assembly, the positioning lug of moulding material core on to the die holder, compressing tightly of first punching hole portion and second punching hole portion, the die holder continues to push down, realize punching a hole at first punching hole portion, second punching hole portion and third punching hole portion to the work piece.
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 an upper die assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an upper die holder according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the pressing core according to one embodiment of the present invention;
fig. 4 is a schematic structural view of a lower die assembly according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of a lower die assembly according to an embodiment of the present invention;
fig. 6 is a schematic view illustrating the installation of the positioning protrusion and the lower die holder according to one embodiment of the present invention.
Wherein: the punching die comprises a lower die holder 200, a side punching mechanism 300, a positioning bump 210, a first punching part 211, a second punching part 212, a third punching part 213, an upper die holder 100, a material pressing core 400, a positioning concave block 410, a punching needle 500, a wedge 310, a slant punching needle 320, a lower cutting block 220, an upper cutting block 110, a blanking port 231, a waste sliding plate 232, a waste baffle 233, a fixed seat 510, a material ejecting convex die 520, a material ejecting concave die 530, a spring fixing column 421, a spring guide pin 422, a lower guide seat 241, an upper guide seat 121, a guide column 122, a shock absorber 131, a first gasket 431, a second gasket 142, a lower support column 251, an upper support column 141, a second mounting groove 201 and a fixing block 202.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The punching die for the automobile reinforcing part comprises an upper die assembly and a lower die assembly which are arranged up and down; referring to fig. 1-4, the lower die assembly includes a lower die base 200 and a side punching mechanism 300, the lower die base 200 is provided with two positioning protrusions 210 arranged left and right, the upper surfaces of the two positioning protrusions 210 are first punching hole portions 211, a second punching hole portion 212 is arranged between the two positioning protrusions 210, the front sides of the two positioning protrusions 210 are third punching hole portions 213, the side punching mechanism 300 is arranged on the lower die base 200, and when the upper die base 100 is pressed down to the driving end of the side punching mechanism 300, the punching end of the side punching mechanism 300 corresponds to the third punching hole portions 213;
the upper die assembly comprises an upper die holder 100 and a pressing core 400, the pressing core 400 is arranged in the upper die holder 100 and slides up and down in the upper die holder 100, two positioning concave blocks 410 are arranged on the surface of the pressing core 400, the two positioning concave blocks 410 correspond to the two positioning convex blocks 210 one by one up and down, a plurality of punching needles 500 are arranged on the pressing core 400, and the plurality of punching needles 500 correspond to the first punching part 211 and the second punching part 212 up and down respectively.
Through the utility model discloses a mould realizes punching a hole simultaneously to a plurality of surfaces and the side of car reinforcement, stamping time has been saved, production cycle has been shortened, through set up punching pin 500 on upper die base 100, and the side punching mechanism 300 that sets up on lower die base 200, make when pushing down upper die assembly, press the locating lug 210 of material core 400 on to lower die base 200, compressing tightly of first punching hole portion 211 and second punching hole portion 212, lower die base 200 continues to push down, the realization is at first punching hole portion 211, punching a hole of second punching hole portion 212 and third punching hole portion 213 to the work piece.
Preferably, the side punching mechanism 300 includes a wedge 310 and a bevel punching pin 320, one end of the bevel punching pin 320 is connected to the telescopic end of the wedge 310, and the other end of the punching pin 500 corresponds to the third punching portion 213.
The third punching part 213 is punched through the cooperation of the wedge 310 and the punching pin 500, so that the side edge of the workpiece is punched, the up-and-down motion of the upper die holder 100 is converted into the horizontal telescopic motion of the punching pin 500 through the wedge 310, the structure is simple, and the punching effect is good.
Preferably, the lower cutting block 220 is disposed at the rear side of the second punching portion 212, the upper cutting block 110 is disposed on the upper die base 100, the upper cutting block 110 is disposed at the rear side of the lower cutting block 220, the blade of the upper cutting block 110 is vertically slidably engaged with the blade of the lower cutting block 220, the lower die base 200 is disposed with the blanking opening 231, and the blanking opening 231 is disposed below the upper cutting block 110.
When the die is assembled, the cutting edge of the upper cutting block 110 is in up-and-down sliding fit with the cutting edge of the lower cutting block 220, so that excess material on the position of a workpiece is cut off, punching and cutting are simultaneously performed, the production efficiency is improved, a group of dies do not need to be additionally arranged for cutting edges, and the production cost is saved.
Preferably, the punching needle 500 includes a fixed seat 510, an ejection male mold 520 and an ejection female mold 530, one end of the ejection male mold 520 is connected to the fixed seat 510, the ejection female mold 530 is disposed on the first punching portion 211 and the second punching portion 212, and the other end of the ejection male mold 520 corresponds to the ejection male mold 520.
The punching of the first punching portion 211 and the second punching portion 212 of the workpiece to be processed is achieved by the cooperation of the ejector punch 520 provided in the upper die holder 100 and the ejector die 530 provided in the punching portion of the lower die holder 200. The structure of the inclined punching needle is the same as that of the punching needle, the ejection female die 530 of the inclined punching needle is arranged on the third punching hole part, the fixed seat 510 connected to the upper die holder 100 and the fixed seat 510 connected to the telescopic end of the wedge 310 are respectively used for increasing the contact area between the upper die holder 100 and the ejection male die 520 and between the wedge 310 and the ejection male die 520, and the service life of the ejection male die 520 is prolonged.
Preferably, referring to fig. 4 and 5, the lower die base 200 is further provided with a waste slide plate 232 and a waste baffle 233, the waste slide plate 232 is disposed at the bottom end of the blanking port 231, and the waste baffles 233 are respectively disposed at the edge of the top end of the blanking port 231.
The waste sliding plate 232 is arranged at the bottom end of the discharge hole and used for guiding out cut excess materials, so that operators can conveniently recover the excess materials; the waste baffle 233 is arranged at the top end edge of the blanking port 231, so that the phenomenon that cut-off excess materials or crushed materials splash to the surface of the lower die holder 200 is avoided, and the normal operation of the die is ensured.
Preferably, be equipped with a plurality of spring assembly between upper die base 100 and the pressure material core 400, spring assembly includes spring fixed column 421 and spring guide pin 422, and spring guide pin 422 establishes in spring fixed column 421, and the bottom of spring fixed column 421 and the bottom of spring guide pin 422 all offsets with the top of pressing material core 400.
When the demolded product is punched and trimmed, the shearing force is required to be generated between the material pressing core 400 and the punching needle 500 and between the upper cutting block 110 and the first punching hole part 211, between the upper cutting block 110 and the lower cutting block 220 of the upper die holder 100, and between the material pressing core 100 and the material pressing core 400, so that when the material pressing core 400 and the upper die holder 100 move in a staggered relative manner, the spring assembly plays a role in buffering, and after cutting, the spring assembly provides elastic force to enable the upper die holder 100 to return to the initial position upwards. The spring fixing column 421 is used for accommodating a spring guide pin 422, so that the force bearing area between the spring guide pin 422 and the swaging core 400 and the upper die base 100 is increased.
Preferably, the lower die holder 200 has lower guides 241 at four corners thereof, the upper die holder 100 has upper guides 121 at four corners thereof, and the guide posts 122 are disposed between the upper guides 121 and the lower guides 241.
The upper guide seat 121, the lower guide seat 241 and the guide post 122 are arranged to guide the linear lifting movement of the upper die holder 100 and the lower die holder 200.
Preferably, the lower die base 200 is further provided with a shock absorber 131, and the edge of the upper die base 100 corresponds to the shock absorber 131 up and down.
The lower die holder 200 is provided with the shock absorbing piece 131 which plays a role in limiting the downward movement of the upper die holder 100; the shock absorbing member 131 is a polyurethane shock absorber PHBTN, and when the upper die holder 100 moves to be attached to the top end of the shock absorbing member 131, the shock absorbing member 131 also plays a role in absorbing load, so that the lower die holder 200 is prevented from generating strong shock, and the stability of the whole die is enhanced.
Preferably, the die further comprises a first gasket 431 and a second gasket 142, wherein the first gasket 431 is arranged at four corners of the material pressing core 400, and the surface of the first gasket 431 is attached to the inner wall of the upper die base 100; lower support columns 251 are arranged on the front side and the rear side of the lower die holder 200, upper support columns 141 are arranged on the front side and the rear side of the upper die holder 100, one side of the second gasket 142 is connected to the inner sides of the upper support columns 141, and the other side of the second gasket 142 is in sliding fit with the outer sides of the lower support columns 251.
The first gasket 431 is used for reducing the friction force between the pressing core 400 and the upper die holder 100, so that the relative movement between the pressing core 400 and the upper die holder 100 is smoother, and the second gasket 142 is used for reducing the friction force between the upper die holder 100 and the lower die holder 200, so that the movement between the upper die holder 100 and the lower die holder 200 is smoother, and the guiding effect is realized on the movement of the upper die holder 100.
Preferably, referring to fig. 6, the bottom of the positioning protrusion 210 is provided with a plurality of first mounting grooves transversely arranged, the lower die holder 200 is correspondingly provided with a plurality of second mounting grooves 201, the first mounting grooves and the second mounting grooves 201 vertically correspond to each other, the first mounting grooves are internally provided with fixing blocks 202, and the fixing blocks 202 abut against the inner sides of the second mounting grooves 201.
The split type positioning lug 210 is adopted, so that the material is saved, the mold cost is saved, the machining of the positioning lug 210 during manufacturing is facilitated, the structure is simple, the combination is easy, and the manufacturing cost is low.
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. A punching die for an automobile reinforcing part is characterized by comprising an upper die assembly and a lower die assembly which are arranged up and down;
the lower die assembly comprises a lower die base and a side punching mechanism, two positioning convex blocks which are arranged on the left and right are arranged on the lower die base, the upper surfaces of the two positioning convex blocks are first punching parts, a second punching part is arranged between the two positioning convex blocks, the front sides of the two positioning convex blocks are third punching parts, and the side punching mechanism is arranged on the lower die base;
the upper die assembly comprises an upper die base and a pressing core, the pressing core is arranged in the upper die base and slides up and down in the upper die base, two positioning concave blocks are arranged on the surface of the pressing core and correspond to the two positioning convex blocks one by one up and down, a plurality of punching needles are arranged on the pressing core and correspond to the first punching part and the second punching part up and down respectively, and when the upper die base is pressed down to the driving end of the side punching mechanism, the punching end of the side punching mechanism corresponds to the third punching part.
2. The punching die for the automobile reinforcing part according to claim 1, wherein the side punching mechanism comprises a wedge and a bevel punching pin, one end of the bevel punching pin is connected to a telescopic end of the wedge, and the other end of the punching pin corresponds to the third punching part.
3. The punching die for the automobile reinforcing part according to claim 1, wherein a lower cutting block is arranged at the rear side of the second punching hole part, an upper cutting block is arranged on the upper die holder, the upper cutting block is arranged at the rear side of the lower cutting block, a blade of the upper cutting block is in up-and-down sliding fit with a blade of the lower cutting block, and a blanking port is arranged on the lower die holder and is arranged below the upper cutting block.
4. The 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 first punching part and the second punching part, and the other end of the ejection male die corresponds to the ejection male die.
5. The automobile reinforcement punching die as claimed in claim 3, wherein the lower die holder is further provided with a waste sliding plate and waste baffles, the waste sliding plate is arranged at the bottom end of the blanking port, and the waste baffles are respectively arranged at the edge of the top end of the blanking port.
6. The automobile reinforcement punching die as recited in claim 1, wherein a plurality of spring assemblies are disposed 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 disposed in the spring fixing column, and a bottom end of the spring fixing column and a bottom end of the spring guide pin both abut against a top portion of the material pressing core.
7. The punching die for the automobile reinforcing part of 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.
8. The punching die for the automobile reinforcing part as claimed in claim 1, wherein a shock absorbing part is further arranged on the lower die holder, and the edge of the upper die holder corresponds to the shock absorbing part up and down.
9. The punching die for the automobile reinforcing part, according to claim 1, further comprising a first gasket and a second gasket, wherein the first gasket is arranged at four corners of the pressing core, and the surface of the first gasket is attached to the inner wall of the upper die base; the die comprises a lower die base, an upper die base and a second gasket, wherein the lower die base is provided with a front side and a rear side, the upper die base is provided with a front side and a rear side, the front side and the rear side of the upper die base are provided with an upper supporting column, one side of the second gasket is connected with the inner side of the upper supporting column, and the other side of the second gasket is in sliding fit with the outer side of the lower supporting column.
10. The punching die for the automobile reinforcing part, according to claim 1, is characterized in that a plurality of first mounting grooves are transversely formed in the bottom of the positioning protruding block, a plurality of second mounting grooves are correspondingly formed in the lower die holder, the first mounting grooves and the second mounting grooves vertically correspond to each other, a fixing block is arranged in the first mounting grooves, and the fixing block abuts against the inner sides of the second mounting grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021727351.XU CN214290331U (en) | 2020-08-18 | 2020-08-18 | Punching die for automobile reinforcing part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021727351.XU CN214290331U (en) | 2020-08-18 | 2020-08-18 | Punching die for automobile reinforcing part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214290331U true CN214290331U (en) | 2021-09-28 |
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ID=77826743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021727351.XU Active CN214290331U (en) | 2020-08-18 | 2020-08-18 | Punching die for automobile reinforcing part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214290331U (en) |
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2020
- 2020-08-18 CN CN202021727351.XU patent/CN214290331U/en active Active
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