CN211161495U

CN211161495U - Automobile rear axle stamping die

Info

Publication number: CN211161495U
Application number: CN201921605536.0U
Authority: CN
Inventors: 付爱刚
Original assignee: Kunshan Aizhite Precision Mould Technology Co ltd
Current assignee: Kunshan Aizhite Precision Mould Technology Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-08-04
Anticipated expiration: 2029-09-25

Abstract

The utility model provides an automobile rear axle stamping die relates to the stamping die field. This automobile rear axle stamping die, which comprises a housin, the top surface fixedly connected with hydraulic rod of casing, hydraulic rod's output fixedly connected with connecting plate, the top surface fixedly connected with buffer beam of connecting plate, the one end fixedly connected with stopper of connecting plate is kept away from to the buffer beam, the first buffer spring of bottom surface fixedly connected with of stopper, the side of connecting plate is rotated and is connected with first commentaries on classics board, the mould is gone up to the central fixedly connected with of connecting plate bottom surface. This automobile rear axle stamping die, through setting up connecting plate, buffer block, first commentaries on classics board, second buffer spring, buffer beam and first buffer spring, the impact force when closing die to last mould and bed die cushions, and the effectual life who promotes stamping die is through setting up ejection mechanism, ejecting to the work piece, and the effectual work piece card of having avoided reduces production efficiency's problem in the inside of mould.

Description

Automobile rear axle stamping die

Technical Field

The utility model relates to a stamping die technical field specifically is an automobile rear axle stamping die.

Background

The rear axle is a rear driving axle component for vehicle power transmission, and is composed of two half-bridges, and can implement half-bridge differential motion, at the same time, it is also a device for supporting wheels and connecting rear wheels, and according to the different action of the axle, the axle can be divided into driving axle, steering axle, supporting axle and steering driving axle.

The production technology of current car rear axle is stamping forming mostly, and traditional stamping die can produce great impact force at the during operation generally, can make the device subassembly receive certain damage after the live time overlength, and the long-time use of the device of not being convenient for has reduced the work efficiency and the use cost of device to easy card is in the inside of mould behind the automobile rear axle stamping forming, and it is troublesome to unload, reduces production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a car rear axle stamping die has solved the problem of proposing among the background art.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an automobile rear axle stamping die, which comprises a housin, the top surface fixedly connected with hydraulic rod of casing, hydraulic rod's output fixedly connected with connecting plate, the top surface fixedly connected with buffer beam of connecting plate, the one end fixedly connected with stopper of connecting plate is kept away from to the buffer beam, the first buffer spring of bottom surface fixedly connected with of stopper, the side of connecting plate is rotated and is connected with first commentaries on classics board, the mould is gone up to the center fixedly connected with of connecting plate bottom surface, the dashpot has been seted up to the inside wall of casing, the inside sliding connection of dashpot has the buffer block, the bottom surface fixedly connected with second buffer spring of buffer block, the interior diapire fixedly connected with turning block of casing, the inside rotation of turning block is connected with the second.

The ejection mechanism comprises an ejection box, a top surface fixedly connected with lower die of the ejection box, a linkage block is arranged inside the ejection box, a top surface fixedly connected with ejection rod of the linkage block, a top surface fixedly connected with first ejection spring of the linkage block, a bottom surface fixedly connected with conical block of the linkage block, an inner bottom wall fixedly connected with extrusion chute of the ejection box, two symmetrical extrusion blocks connected inside the extrusion chute in a sliding manner, and a second ejection spring fixedly connected to the side surface of each of the two extrusion blocks.

Furthermore, the bottom surface fixedly connected with guide post of going up the mould, the guide way with guide post looks adaptation is seted up to the inside of bed die, and through setting up guide post and guide way, during the compound die, make the guide post insert the inside of guide way, carry on spacingly to going up mould and bed die, avoid work piece punching press slope.

Furthermore, hydraulic rod's external fixed surface is connected with the strengthening rib, and hydraulic rod's one end and the top surface fixed connection of casing are kept away from to the strengthening rib, through setting up the strengthening rib, fix hydraulic rod, have promoted the stability of hydraulic rod during operation.

Further, the buffer rod runs through the interior roof of casing and extends to the outside of casing, and the one end that stopper and the top surface fixed connection of casing were kept away from to first buffer spring is through setting up the stopper, carries on spacingly to the buffer rod, avoids the buffer rod roll-off.

Further, the one end that the connecting plate was kept away from to first rotor plate all rotates with the buffer block with the one end that the rotor block was kept away from to the second rotor plate and is connected, and the one end that the buffer block was kept away from to the second buffer spring cushions the power that the buffer block bore through setting up second buffer spring with the interior diapire fixed connection of casing, promotes the life of upper die and bed die.

Further, the equal fixedly connected with ejection chute in shells inner wall's both sides, the both ends of linkage piece respectively with the inside looks adaptation of two ejection chutes, through setting up ejection chute, carry on spacingly to the linkage piece, stability when promotion ejector pin removes.

Furthermore, a through hole is formed in the lower die, the ejection rod penetrates through the through hole and extends into the lower die, one end, far away from the linkage block, of the first ejection spring is fixedly connected with the inner top wall of the ejection box, the ejection rod is located inside the first ejection spring, one ends, far away from the extrusion block, of the two second ejection springs are respectively fixedly connected with the two sides of the inner wall of the shell, and the conical block can automatically recover to an original state through the arrangement of the first ejection spring and the second ejection springs, so that the workpiece is ejected out.

1. The automobile rear axle stamping die has the advantages that by arranging the connecting plate, the buffer block, the first rotating plate, the second buffer spring, the buffer rod and the first buffer spring, the buffer rod moves downwards and compresses the first buffer spring when the output end of the hydraulic push rod pushes the connecting plate to descend, the first rotating plate rotates inside the buffer block, so that the buffer block moves downwards inside the buffer groove, the second rotating plate rotates inside the buffer block and compresses the second buffer spring, under the double action of the first buffer spring and the second buffer spring, the impact force generated when an upper die and a lower die are closed is buffered, the service life of the stamping die is effectively prolonged, by arranging the ejection mechanism, when the die is closed, a workpiece extrudes the ejection rod, so that the ejection rod pushes the linkage block downwards, and the linkage block slides downwards in the ejection sliding groove, simultaneously, the first ejection spring is stretched, and the conical block pushes the extrusion block downwards, so that the extrusion block moves towards the direction away from the conical block, the second ejection spring is extruded simultaneously, and the workpiece is ejected under the dual actions of the second ejection spring and the first ejection spring, so that the problem that the workpiece is clamped in the die and the production efficiency is reduced is effectively solved.

2. This automobile rear axle stamping die, through setting up guide post and guide way, during the compound die, make the guide post insert the inside of guide way, it is spacing to last mould and bed die, avoid work piece punching press slope, through setting up the strengthening rib, fix hydraulic push rod, the stability of hydraulic push rod during operation has been promoted, through setting up the stopper, spacing to the buffer beam, avoid the buffer beam roll-off, through setting up second buffer spring, cushion the power that bears the buffer block, promote the life of last mould and bed die, through setting up ejecting spout, spacing to the linkage block, stability when promoting the ejector beam removal, through setting up first ejecting spring and the ejecting spring of second, make the toper piece can automatic recovery to original state, thereby ejecting to the work piece.

Drawings

Fig. 1 is a perspective view of the housing of the present invention;

Fig. 2 is a sectional view of the ejection mechanism of the present invention;

Fig. 3 is a perspective view of the housing of the present invention;

Fig. 4 is a cross-sectional view of the ejection mechanism of the present invention.

The device comprises a shell 1, a hydraulic push rod 2, a connecting plate 3, an upper die 4, a guide post 5, a lower die 6, a buffer groove 7, a buffer block 8, an ejection mechanism 9, a 901 ejection box, a 902 ejection chute, a 903 linkage block, a 904 ejection rod, a 905 first ejection spring, a 906 conical block, a 907 extrusion chute, a 908 extrusion block, a 909 second ejection spring, a 10 first rotating plate, a 11 second rotating plate, a 12 rotating block, a 13 second buffer spring, a 14 buffer rod, a 15 limiting block, a 16 first buffer spring, a 17 reinforcing rib and an 18 guide groove.

Detailed Description

As shown in FIGS. 1-4, an embodiment of the present invention provides a stamping die for a rear axle of an automobile, comprising a housing 1, a hydraulic push rod 2 fixedly connected to a top surface of the housing 1, a DYTP hydraulic push rod being used as the hydraulic push rod 2 of the present invention, a reinforcing rib 17 fixedly connected to an outer surface of the hydraulic push rod 2, one end of the reinforcing rib 17 away from the hydraulic push rod 2 being fixedly connected to the top surface of the housing 1, the hydraulic push rod 2 being fixed by the reinforcing rib 17, thereby improving the stability of the hydraulic push rod 2 during operation, a connecting plate 3 being fixedly connected to an output end of the hydraulic push rod 2, a buffer rod 14 being fixedly connected to the top surface of the connecting plate 3, a stopper 15 being fixedly connected to one end of the buffer rod 14 away from the connecting plate 3, a first buffer spring 16 being fixedly connected to a bottom surface of the stopper 15, the buffer rod 14 penetrating through an inner top wall of the housing 1 and extending to the, the buffer rod 14 is limited by arranging the limiting block 15 to avoid the buffer rod 14 from sliding out, the side surface of the connecting plate 3 is rotatably connected with the first rotating plate 10, the center of the bottom surface of the connecting plate 3 is fixedly connected with the upper die 4, the inner side wall of the shell 1 is provided with the buffer groove 7, the inner part of the buffer groove 7 is slidably connected with the buffer block 8, the bottom surface of the buffer block 8 is fixedly connected with the second buffer spring 13, the inner bottom wall of the shell 1 is fixedly connected with the rotating block 12, the inner part of the rotating block 12 is rotatably connected with the second rotating plate 11, one end of the first rotating plate 10 far away from the connecting plate 3 and one end of the second rotating plate 11 far away from the rotating block 12 are both rotatably connected with the buffer block 8, one end of the second buffer spring 13 far away from the buffer block 8 is fixedly connected with the inner bottom wall of the shell 1, the force born by arranging the second buffer spring 13 to, the center of the inner bottom wall of the shell 1 is provided with an ejection mechanism 9.

The ejection mechanism 9 comprises an ejection box 901, the top surface of the ejection box 901 is fixedly connected with a lower die 6, the bottom surface of an upper die 4 is fixedly connected with a guide post 5, the interior of the lower die 6 is provided with a guide groove 18 matched with the guide post 5, the guide post 5 and the guide groove 18 are arranged, when the die is closed, the guide post 5 is inserted into the guide groove 18 to limit the upper die 4 and the lower die 6 and prevent workpieces from being inclined by stamping, the interior of the ejection box 901 is provided with a linkage block 903, the two sides of the inner wall of the shell 1 are both fixedly connected with ejection chutes 902, the two ends of the linkage block 903 are respectively matched with the interiors of the two ejection chutes 902, the linkage block 903 is limited by arranging the ejection chutes 902, the stability of the ejection rod 904 during moving is improved, the top surface of the linkage block 903 is fixedly connected with an ejection rod 904, the top surface of the linkage block 903 is fixedly connected with a first ejection spring 905, the bottom surface of the linkage block 903 is fixedly, an extrusion chute 907 is fixedly connected to the inner bottom wall of the ejection box 901, two symmetrical extrusion blocks 908 are slidably connected to the inside of the extrusion chute 907, the mutually far sides of the two extrusion blocks 908 are fixedly connected with a second ejection spring 909, a through hole is formed in the lower die 6, an ejection rod 904 penetrates through the inside of the through hole and extends to the inside of the lower die 6, one end, far away from the linkage block 903, of a first ejection spring 905 is fixedly connected with the inner top wall of the ejection box 901, the ejection rod 904 is located inside the first ejection spring 905, one ends, far away from the extrusion blocks 908, of the two second ejection springs 909 are fixedly connected with the two sides of the inner wall of the shell 1 respectively, and the conical block 906 can be automatically restored to the original state by arranging the first ejection spring 905 and the second ejection spring 909, so that a workpiece can be ejected.

When in use, the raw material is placed above the lower die 6, the hydraulic push rod 2 is started, the output end of the hydraulic push rod is lowered, the connecting plate 3 is lowered, the buffer rod 14 is lowered, the first buffer spring 16 is compressed, the first rotating plate 10 rotates inside the buffer block 8, the buffer block 8 moves downwards inside the buffer groove 7, the second rotating plate 11 rotates inside the buffer block 8, the second buffer spring 13 is compressed, the guide column 5 finally enters the inside of the guide groove 18, the upper die 4 and the lower die 6 are closed, the raw material is punched, the impact force generated when the upper die 4 and the lower die 6 are closed is buffered under the dual action of the first buffer spring 16 and the second buffer spring 13, the service life of the punching die is effectively prolonged, and meanwhile, the workpiece pushes the ejection rod 904 to move downwards, therefore, the ejector rod 904 pushes the linkage block 903 to move downwards in the ejection chute 902, so that the first ejection spring 905 is stretched, the conical block 906 enters a gap between the two extrusion blocks 908, the two extrusion blocks 908 are away from each other, the second ejection spring 909 is compressed, after the upper die 4 leaves the lower die 6, the extrusion blocks 908 extrude the conical block 906 under the reaction force of the second ejection spring 909, and simultaneously, under the reaction force of the first ejection spring 905, the conical block 906 pushes the linkage block 903 to move upwards in the ejection chute 902, so that the ejector rod 904 ejects a workpiece, the workpiece is ejected, and the problem that the workpiece is clamped in the die and the production efficiency is reduced is effectively solved.

Claims

1. The utility model provides an automobile rear axle stamping die, includes casing (1), its characterized in that: the top surface of the shell (1) is fixedly connected with a hydraulic push rod (2), the output end of the hydraulic push rod (2) is fixedly connected with a connecting plate (3), the top surface of the connecting plate (3) is fixedly connected with a buffer rod (14), one end, far away from the connecting plate (3), of the buffer rod (14) is fixedly connected with a limiting block (15), the bottom surface of the limiting block (15) is fixedly connected with a first buffer spring (16), the side surface of the connecting plate (3) is rotatably connected with a first rotating plate (10), the center of the bottom surface of the connecting plate (3) is fixedly connected with an upper die (4), the inner side wall of the shell (1) is provided with a buffer groove (7), the inner part of the buffer groove (7) is slidably connected with a buffer block (8), the bottom surface of the buffer block (8) is fixedly connected with a second buffer spring (13), the inner bottom wall of the shell (1), the center of the inner bottom wall of the shell (1) is provided with an ejection mechanism (9);

The ejection mechanism (9) comprises an ejection box (901), a lower die (6) is fixedly connected to the top surface of the ejection box (901), a linkage block (903) is arranged inside the ejection box (901), an ejection rod (904) is fixedly connected to the top surface of the linkage block (903), a first ejection spring (905) is fixedly connected to the top surface of the linkage block (903), a conical block (906) is fixedly connected to the bottom surface of the linkage block (903), an extrusion chute (907) is fixedly connected to the inner bottom wall of the ejection box (901), two symmetrical extrusion blocks (908) are slidably connected to the inside of the extrusion chute (907), and a second ejection spring (909) is fixedly connected to the side surface, far away from each other, of the two extrusion blocks (908).

2. The automobile rear axle stamping die according to claim 1, characterized in that: the bottom surface of the upper die (4) is fixedly connected with a guide post (5), and a guide groove (18) matched with the guide post (5) is formed in the lower die (6).

3. The automobile rear axle stamping die according to claim 1, characterized in that: the outer surface of the hydraulic push rod (2) is fixedly connected with a reinforcing rib (17), and one end, far away from the hydraulic push rod (2), of the reinforcing rib (17) is fixedly connected with the top surface of the shell (1).

4. The automobile rear axle stamping die according to claim 1, characterized in that: the buffer rod (14) penetrates through the inner top wall of the shell (1) and extends to the outside of the shell (1), and one end, far away from the limiting block (15), of the first buffer spring (16) is fixedly connected with the top surface of the shell (1).

5. The automobile rear axle stamping die according to claim 1, characterized in that: one end of the first rotating plate (10) far away from the connecting plate (3) and one end of the second rotating plate (11) far away from the rotating block (12) are rotatably connected with the buffer block (8), and one end of the second buffer spring (13) far away from the buffer block (8) is fixedly connected with the inner bottom wall of the shell (1).

6. The automobile rear axle stamping die according to claim 1, characterized in that: both sides of the inner wall of the shell (1) are fixedly connected with ejection chutes (902), and both ends of the linkage block (903) are respectively matched with the interiors of the two ejection chutes (902).

7. The automobile rear axle stamping die according to claim 1, characterized in that: the through hole is formed in the lower die (6), the ejection rod (904) penetrates through the through hole and extends to the interior of the lower die (6), one end, far away from the linkage block (903), of the first ejection spring (905) is fixedly connected with the inner top wall of the ejection box (901), the ejection rod (904) is located inside the first ejection spring (905), and one ends, far away from the extrusion block (908), of the two second ejection springs (909) are fixedly connected with the two sides of the inner wall of the shell (1) respectively.