CN209792508U - Double-punching forging die - Google Patents

Double-punching forging die Download PDF

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Publication number
CN209792508U
CN209792508U CN201920176572.3U CN201920176572U CN209792508U CN 209792508 U CN209792508 U CN 209792508U CN 201920176572 U CN201920176572 U CN 201920176572U CN 209792508 U CN209792508 U CN 209792508U
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die
upper die
punch
spring
spring fixing
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CN201920176572.3U
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Chinese (zh)
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张小松
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Zhejiang Feiteng Intelligent Technology Co Ltd
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Zhejiang Feiteng Intelligent Technology Co Ltd
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Abstract

The utility model discloses a double-punching forging and pressing die, which comprises an upper die and a lower die, wherein the upper die is positioned right above the lower die, the top of the upper die is provided with an upper die handle, the upper die handle is composed of two cylinders with a small upper part and a big lower part, a first through hole penetrating through the upper die handle is arranged on the upper die handle, an upper ejector rod is arranged in the through hole, two punching needles symmetrically arranged are vertically and fixedly arranged at the bottom of the upper ejector rod, two upper die cavities which are arranged in parallel and penetrate through the upper die are arranged on the upper die, the upper die cavities are positioned right below the punching needles, the double-punching forging and pressing die is reasonable in structure, a punch presses downwards to drive the upper die handle fixed on the punch press and simultaneously drive the upper die to downwards punch, workpieces in the lower die cavity are forged and pressed, and the two upper die cavities and the corresponding lower die cavities are arranged simultaneously to enable the device to forge and press two workpieces simultaneously after one, the working efficiency is improved, and the yield is increased.

Description

Double-punching forging die
Technical Field
The utility model relates to a forging and pressing mould field, in particular to two forging and pressing moulds that dash.
Background
Forging is a process of using forging machinery to apply pressure to a metal blank to make it plastically deform to obtain a forging with certain mechanical properties, certain shape and size. The defects of as-cast porosity and the like generated in the smelting process of metal can be eliminated through forging, the microstructure is optimized, and meanwhile, because the complete metal streamline is preserved, the mechanical property of the forging is generally superior to that of a casting made of the same material. Important parts with high load and severe working conditions in related machines are mainly forged pieces except for plates, sections or welding pieces which are simple in shape and can be rolled.
The forging and pressing die can be used for forming and processing high-temperature workpieces by adopting forgings, and is widely applied to industrial production. The forging die is used for stamping or extruding a high-temperature workpiece placed in the female die by controlling the movement of the punch through a hydraulic machine tool so as to form the workpiece.
The traditional forging and pressing die can only stamp one workpiece when stamping the workpiece, so that the working efficiency is low, and the yield of products is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a two forging and pressing moulds have solved current forging and pressing mould and can only forge and press single machined part, and work efficiency is low, the problem of output hang down.
The above technical purpose of the present invention can be achieved by the following technical solutions:
A double-punch forging die comprises an upper die and a lower die, wherein the upper die is positioned right above the lower die, an upper die shank is arranged at the top of the upper die and consists of two cylinders which are small at the top and big at the bottom, a first through hole penetrating through the upper die shank is formed in the upper die shank, an upper ejector rod is arranged in the first through hole, two symmetrically arranged punching needles are vertically and fixedly arranged at the bottom of the upper ejector rod, two upper die cavities which are arranged in parallel and penetrate through the upper die are formed in the upper die and are positioned right below the punching needles, the lower end of the punching needle is positioned at the top of the upper die cavity, a lower die cavity penetrating through the lower die is arranged right below the upper die cavity in the lower die, a lower die sleeve is sleeved outside the lower die, a lower punch fixing plate is fixedly arranged at the bottom of the lower die sleeve, and two lower punches are fixedly arranged at the top of the lower punch fixing plate, and is positioned under the two punching needles, the lower punch is positioned in the lower die cavity, and the bottom of the lower film sleeve is fixedly provided with a die bottom plate.
By adopting the technical scheme, the punch presses downwards to punch, the upper die handle fixed on the punch press is driven, the upper die is driven to punch downwards simultaneously, the machined parts in the lower die cavities are forged, two upper die cavities and corresponding lower die cavities are arranged simultaneously, so that the device can forge and press two machined parts simultaneously after one-time punching, the working efficiency is improved, and the yield is increased.
Preferably, spring fixing plates are symmetrically arranged along the vertical direction below the die base plate, two spring fixing rods are arranged between the two spring fixing plates, two ends of each spring fixing rod penetrate through the corresponding spring fixing plate respectively, and a buffer spring is fixedly arranged between the two spring fixing plates and on the outer side of each spring fixing rod.
Adopt above-mentioned technical scheme, through setting up buffer spring, can make down the ejector pin and receive the spring fixing plate downstream that promotes upper portion behind the pressure downstream to buffer spring receives the extrusion, plays the effect of support to lower ejector pin, plays the answer effect to lower ejector pin after accomplishing the forging and pressing simultaneously.
Preferably, the bottom of the die bottom plate is provided with a second through hole matched with the spring fixing rod, and the top end of the spring fixing rod is located in the second through hole and is in threaded connection with the second through hole.
By adopting the technical scheme, the through hole II is connected through the thread fixing rod in a threaded manner, the spring can be quickly disassembled and assembled, and the working efficiency is improved.
Preferably, the bottom of the spring fixing rod is in threaded connection with a spring rotating nut, and the spring rotating nut is tightly attached to a spring fixing block below the spring rotating nut.
Adopt above-mentioned technical scheme, can make the spring fixed lever and the spring fixed plate of bottom fix.
Preferably, the first through hole is formed by two cylindrical through holes with different diameters, and the shape of the upper ejector rod is matched with that of the first through hole.
By adopting the technical scheme, the shape of the upper ejector rod is set to be the same as that of the through hole, so that the upper ejector rod can simultaneously eject two ejector pins, double stations are realized, the trouble of feeding of left and right station manipulators is avoided, and all-dimensional ejection is realized.
Preferably, four circular through holes III are formed in the die bottom plate and the lower punch fixing plate and are arranged in a rectangular mode, lower ejector rods are arranged in the circular through holes III, and the length of each lower ejector rod is the distance between the bottom surface of the upper die and the top surface of the spring fixing plate.
Adopt above-mentioned technical scheme, set up down the ejector pin, can make this bed die receive the punching press in the membrane cover down after the bottom of moving down to the membrane cover down, the lower extreme of lower ejector pin makes spring fixed plate move down, makes buffer spring shrink, and after accomplishing the punching press, buffer spring makes down the ejector pin rebound through elasticity, returns the bed die to the position before the forging and pressing simultaneously.
Preferably, the distance between the closed upper die cavity and the closed lower die cavity is greater than the length of the material.
By adopting the technical scheme, the distance between the closed upper die cavity and the closed lower die cavity is greater than the length of the material, so that the upper die cavity and the lower die cavity are closed firstly and then extruded, the effect of no flash is achieved, and the product quality is improved.
Drawings
FIG. 1 is a front sectional view of the present invention;
FIG. 2 is a top view of the lower punch fixing plate and the lower punch according to the present invention;
Fig. 3 is a front sectional view of the die base plate of the present invention.
reference numerals: 1. an upper die; 2. a lower die; 3. mounting a die handle; 4. a first through hole; 5. an ejector rod is arranged; 6. punching a needle; 7. an upper mold cavity; 8. a film covering is carried out; 9. a lower punch fixing plate; 10. a lower punch; 11. a mold base plate; 12. a spring fixing plate; 13. a spring fixing rod; 14. a buffer spring; 15. a second through hole; 16. the spring rotates the nut; 17. a third through hole; 18. a lower ejector rod; 19. and (4) a lower die cavity.
Detailed Description
The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.
As shown in figures 1-3, a double-punching forging die comprises an upper die 1 and a lower die 2, wherein the upper die 1 is positioned right above the lower die 2, an upper die shank 3 is arranged at the top of the upper die 1, the upper die shank 3 is fixed on a punching machine, the upper die shank 3 consists of two cylinders with small top and large bottom, the cylinders with large top and small bottom are provided with a through hole I4 penetrating through the upper die shank 3, the through hole I4 consists of two cylindrical through holes with different diameters, an upper ejector rod 5 is arranged in the through hole I4, the shape of the upper ejector rod 5 is matched with that of the through hole I4, the upper ejector rod 5 can simultaneously eject two ejector pins by setting the shape of the upper ejector rod 5 to be the same as that of the through hole I4, double stations are realized, the trouble of discharging of a left station manipulator and a right station manipulator is avoided, so that omnibearing ejection is realized, two symmetrically arranged punching pins 6 are vertically and fixedly arranged at the bottom, the upper die 1 is provided with two upper die cavities 7 which are arranged in parallel and penetrate through the upper die 1, the upper die cavities 7 are positioned under the punching needles 6, the lower ends of the punching needles 6 are positioned at the tops of the upper die cavities 7, the lower die 2 is positioned under the upper die cavities 7 and is provided with lower die cavities 19 penetrating through the lower die 2, the distance between the upper die cavities 7 and the lower die cavities 19 after being closed is larger than the length of a material, the upper die cavities 7 and the lower die cavities 19 can be closed firstly and then extruded, the effect of no flash is achieved, the quality of a product is improved, a lower die sleeve 8 is sleeved outside the lower die 2, the upper part of the lower die 2 is positioned outside the lower die sleeve 8, positioning and guiding effects can be achieved when a workpiece is placed in the lower die cavities 19, a lower punch fixing plate 9 is fixedly arranged at the bottom of the lower die sleeve 8, two lower punches 10 are fixedly arranged at the tops of the lower punch fixing plate 9 and are positioned under the two punching needles 6, and the lower punches 10, the bottom fixed mounting of lower membrane housing 8 has die bottom plate 11, four circular through-holes three 17 have all been seted up on die bottom plate 11 and lower punch fixed plate 9, four circular through-holes three 17 are the rectangle setting, be provided with lower ejector pin 18 in the through-hole three 17, the length of lower ejector pin 18 is the distance between the bottom surface of mould 1 and the spring fixed plate 12 top surface, after this lower mould 2 received the punching press and moved down to the bottom of lower membrane housing 8 in lower membrane housing 8, the lower extreme of lower ejector pin 18 made spring fixed plate 12 move down, make buffer spring 14 shrink, after accomplishing the punching press, buffer spring 14 made lower ejector pin 18 rebound through elasticity, return lower mould 2 to the position before the forging and pressing simultaneously.
Spring fixing plates 12 are symmetrically arranged along the vertical direction below a die bottom plate 11, a spring fixing rod 13 is arranged between the two spring fixing plates 12, a through hole two 15 matched with the spring fixing rod 13 is formed in the bottom of the die bottom plate 11, the top end of the spring fixing rod 13 is positioned in the through hole two 15 and is in threaded connection with the through hole two 15, the quick disassembly and assembly of a spring can be realized, the working efficiency is improved, two ends of the spring fixing rod 13 respectively penetrate through the spring fixing plates 12, a spring rotating nut 16 is in threaded connection with the bottom of the spring fixing rod 13, the spring rotating nut 16 is tightly attached to the spring fixing block below, the spring fixing rod 13 and the spring fixing plate 12 at the bottom can be fixed, a buffer spring 14 is fixedly arranged between the two spring fixing plates 12 and on the outer side of the spring fixing rod 13, and by arranging the buffer spring 14, a lower ejector rod 18 can be pushed to, the buffer spring 14 is thus compressed and acts as a support for the lower carrier rod 18, and at the same time acts as a return for the lower carrier rod 18 after the forging has been completed.
the working principle is as follows: the punch presses downwards to drive an upper die handle 3 fixed on the punch press, the upper die 1 is driven to press downwards at the same time, the lower die 2 is driven to move downwards to push a lower ejector rod 18, the lower ejector rod 18 drives a spring fixing plate 12 to compress a buffer spring 14, workpieces in a lower die cavity 19 are compacted and forged at the same time, the punch press moves upwards after forging is completed to drive the upper die 1 to move upwards, the upper die 1 moves upwards at the same time, the upper die cavity 7 plays a role in lifting materials due to the fact that the materials are located in the upper die cavity 7, the upper ejector rod 5 is stressed by the force of the punch press, the ejector pins downwards push the finished workpieces out of the upper die cavity 7, meanwhile, the buffer spring 14 enables the upper spring fixing plate 12 to move upwards through elasticity, and the spring fixing plate 12 pushes the lower ejector rod 18 to move upwards to restore the lower die 2 to the position.

Claims (7)

1. a double-punching forging die comprises an upper die (1) and a lower die (2), wherein the upper die (1) is positioned right above the lower die (2), and is characterized in that an upper die shank (3) is arranged at the top of the upper die (1), the upper die shank (3) is composed of two cylinders with different diameters, a first through hole (4) penetrating through the upper die shank (3) is formed in the upper die shank (3), an upper ejector rod (5) is arranged in the first through hole (4), two punching needles (6) which are symmetrically arranged are vertically and fixedly arranged at the bottom of the upper ejector rod (5), two upper die cavities (7) which are arranged in parallel and penetrate through the upper die (1) are formed in the upper die (1), the upper die cavity (7) is positioned right below the punching needles (6), the lower end of the punching needle (6) is positioned at the top of the upper die cavity (7), and a lower die cavity (19) which penetrates through the lower die (2) is arranged right below the upper die cavity (7), the outer cover of bed die (2) is equipped with lower membrane cover (8), the bottom fixed mounting of lower membrane cover (8) has lower punch fixed plate (9), the top fixed mounting of lower punch fixed plate (9) has two lower punches (10), and is located two punch needles (6) under, lower punch (10) are located die cavity (19) down, the bottom fixed mounting of lower membrane cover (8) has die bottom plate (11).
2. The double-punch forging die as recited in claim 1, wherein spring fixing plates (12) are symmetrically arranged in the vertical direction below the die base plate (11), a spring fixing rod (13) is arranged between the two spring fixing plates (12), two ends of the spring fixing rod (13) respectively penetrate through the spring fixing plates (12), and a buffer spring (14) is fixedly arranged between the two spring fixing plates (12) and outside the spring fixing rod (13).
3. The double-punch forging die as recited in claim 2, wherein the bottom of the die base plate (11) is provided with a second through hole (15) matching with the spring fixing rod (13), and the top end of the spring fixing rod (13) is located in the second through hole (15) and movably connected with the second through hole (15).
4. A double-punch press tool as claimed in claim 2, characterised in that the spring retaining bar (13) is threaded at its base with a spring swivel nut (16), said spring swivel nut (16) abutting the underlying spring retaining bar (12).
5. A double-punch press die according to claim 3, characterised in that the through-hole one (4) is formed by two cylindrical through-holes of different diameters, and the shape of the upper carrier rod (5) matches the shape of the through-hole one (4).
6. The double-punching and forging die as claimed in claim 4, wherein the die base plate (11) is provided with four circular through holes III (17), the four circular through holes III (17) are arranged in a rectangular shape, and the through holes III (17) are internally provided with lower ejector rods (18).
7. A double-punch die according to claim 5, characterised in that the distance between the closed upper (7) and lower (19) die cavities is greater than the length of the material.
CN201920176572.3U 2019-01-31 2019-01-31 Double-punching forging die Active CN209792508U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920176572.3U CN209792508U (en) 2019-01-31 2019-01-31 Double-punching forging die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920176572.3U CN209792508U (en) 2019-01-31 2019-01-31 Double-punching forging die

Publications (1)

Publication Number Publication Date
CN209792508U true CN209792508U (en) 2019-12-17

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ID=68821750

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920176572.3U Active CN209792508U (en) 2019-01-31 2019-01-31 Double-punching forging die

Country Status (1)

Country Link
CN (1) CN209792508U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111604414A (en) * 2020-06-10 2020-09-01 重庆博顺电气有限公司 Distribution box door plate bevel edge process
CN116140538A (en) * 2023-03-31 2023-05-23 宁波中江高强螺栓有限公司 Continuous forging press for bolt production

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111604414A (en) * 2020-06-10 2020-09-01 重庆博顺电气有限公司 Distribution box door plate bevel edge process
CN111604414B (en) * 2020-06-10 2022-05-24 重庆博顺电气有限公司 Distribution box door plate bevel edge process
CN116140538A (en) * 2023-03-31 2023-05-23 宁波中江高强螺栓有限公司 Continuous forging press for bolt production
CN116140538B (en) * 2023-03-31 2024-01-26 宁波中江高强螺栓有限公司 Continuous forging press for bolt production

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