CN215279526U

CN215279526U - Left longitudinal beam machining die

Info

Publication number: CN215279526U
Application number: CN202122989167.3U
Authority: CN
Inventors: 谭晋威; 宋菲菲
Original assignee: Shenyang Ruilang Manufacturing Technology Co ltd
Current assignee: Shenyang Ruilang Manufacturing Technology Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2021-12-24
Anticipated expiration: 2031-12-01

Abstract

The utility model relates to an automobile parts processing technology field specifically is a left longeron mold processing, including upper die base and die holder, the lower fixed surface of upper die base is connected with the die board, the upper surface of die holder is equipped with the convex die board, the upper surface of die holder and the fixed support that is equipped with all around that is located the convex die board, the upper surface of support is equipped with the briquetting, the spout has been seted up to the upper surface of support and the below that is located the briquetting, the support is located spout sliding fit and has the dog, the dog is connected with the lower fixed surface of briquetting, spout internal fixation is equipped with the stopper, stopper fixedly connected with transverse guide arm, the dog is run through in the activity of transverse guide arm, the outer and lie in of transverse guide arm and cup jointed coil spring between stopper and the dog. The utility model discloses compact structure, simple structure provides elastic force through coil spring, promotes the briquetting and extrudees to the convex die plate, realizes that the briquetting is stabilizing centre gripping convex die plate, easy operation all around.

Description

Left longitudinal beam machining die

Technical Field

The utility model relates to an automobile parts processing technology field specifically is a left longeron mold processing.

Background

The stamping and forming process of the automobile plate is a large deformation process integrating geometry and material nonlinearity, and the metal flowing stress condition is complex. Wherein the beams are important internal structural and safety components, supporting the body contour and the load-bearing function. The left longitudinal beam is a basic framework of various vehicles, has high requirements on the dimensional accuracy and the quality of the left longitudinal beam, and has a special status in the field of automobile molds.

At present, a left longitudinal beam is mainly manufactured by adopting a stamping process, a concave template in a stamping die is generally directly installed with a lower die base through bolts, and the left longitudinal beam is inconvenient to disassemble.

Disclosure of Invention

An object of the utility model is to provide a left longeron mold processing to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a left longeron mold processing, includes upper die base and die holder, the lower fixed surface of upper die base is connected with the die board, the upper surface of die holder be equipped with the convex die board of die board looks adaptation, the upper surface of die holder just is located the fixed support that is equipped with all around of convex die board, the upper surface of support is equipped with the briquetting, the upper surface of support just is located the spout has been seted up to the below of briquetting, the support is located sliding fit has the dog in the spout, the dog with the lower fixed surface of briquetting is connected, the spout internal fixation is equipped with the stopper, stopper fixedly connected with transverse guide arm, transverse guide arm activity runs through the dog, transverse guide arm just is located outward the coil spring has been cup jointed between stopper and the dog.

Optionally, the lower surface of the upper die base is fixedly connected with a guide sleeve, the upper surface of the lower die base is fixedly connected with a guide pillar matched with the guide sleeve, and the outer wall of the guide pillar is coated with a self-lubricating wear-resistant coating.

Optionally, the below of upper die base is equipped with the buffer block, the lower fixed surface of buffer block is connected with the sleeve, the piece of increaseing has been cup jointed in telescopic bottom activity, just the sleeve with it is equipped with the bolster to increase between the piece, the bottom screw thread of piece of increaseing is connected with the screw thread post, the bottom fixedly connected with base of screw thread post, the base with the last fixed surface of die holder is connected.

Optionally, the buffer block is an NDI-based polyurethane elastomer; the buffer is a wave spring.

Optionally, the outer wall of the heightening block is located on a rotating rod fixedly connected to the lower side of the sleeve, a convex ring is fixedly arranged at the top of the heightening block, and the buffer piece is located in the convex ring.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model has compact structure and simple structure, provides elastic acting force through the spiral spring, pushes the pressing block to extrude towards the convex template, realizes that the pressing block stably clamps the convex template around, and has simple operation;

2. the utility model discloses a bolster and buffer block cooperation, for the second grade buffer structure between upper die base and the die holder, not only can further improve buffering effect, can reduce the axial impact of upper die base to threaded connection between piece and the screw thread post of increaseing moreover for can reach the level of accurate regulation buffer block through rotatory piece of increaseing, can be according to the not unidimensional left longeron of punching press, adjust the buffer stroke of upper die base conveniently.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic structural view of the upper die holder and the cavity plate of the present invention;

FIG. 3 is a schematic structural view of the middle and lower die holders, the convex die plate, the pressing block and the cushion block of the present invention;

FIG. 4 is an enlarged view of part A of FIG. 3;

FIG. 5 is a partial cross-sectional view of the support and the pressing block of the present invention;

fig. 6 is the structure diagram of the buffer block, the sleeve, the height-adjusting block, the threaded post and the base of the present invention.

In the figure: 1. an upper die holder; 2. a cavity plate; 3. a guide sleeve; 4. a lower die holder; 5. a convex template; 6. a support; 7. a chute; 8. a stopper; 9. a limiting block; 10. a transverse guide rod; 11. a coil spring; 12. briquetting; 13. a guide post; 14. a buffer block; 15. a sleeve; 16. a height adjusting block; 17. a buffer member; 18. a convex ring; 19. a rotating rod; 20. a threaded post; 21. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): please refer to fig. 1-6, the utility model provides a left longeron mold processing, including upper die base 1 and die holder 4, the lower fixed surface of upper die base 1 is connected with die board 2, the upper surface of die holder 4 is equipped with the convex die plate 5 with 2 looks adaptations of die board, the lower fixed surface of upper die base 1 is connected with guide pin bushing 3, the last fixed surface of die holder 4 is connected with the guide pillar 13 with 3 looks adaptations of guide pin bushing, the outer wall coating of guide pillar 13 has self-lubricating wear-resistant coating, self-lubricating wear-resistant coating is chromium carbide base self-lubricating wear-resistant coating, a frictional resistance for reducing between guide pillar 13 and the guide pin bushing 3.

The upper surface of die holder 4 and the integrated into one piece all around that is located convex die plate 5 have support 6, the upper surface of support 6 is equipped with briquetting 12, spout 7 has been seted up to the upper surface of support 6 and the below that is located briquetting 12, support 6 is located spout 7 sliding fit has dog 8, dog 8 is connected with the lower fixed surface of briquetting 12, spout 7 internal fixation is equipped with stopper 9,

stopper

9 and 6 integrated into one piece of support, stopper 9 fixedly connected with transverse guide arm 10, transverse guide arm 10 activity runs through dog 8, transverse guide arm 10 just is located and has cup jointed coil spring 11 between stopper 9 and the dog 8 outward. Provide elastic force through coil spring 11, promote briquetting 12 and extrude to the convex die plate 5, realize briquetting 12 and stabilize centre gripping convex die plate 5 all around, easy operation, convex die plate 5 can directly be lifted off from die holder 4, makes things convenient for the operator to change and maintains.

The lower of upper die base 1 is equipped with buffer block 14, and the lower fixed surface of buffer block 14 is connected with sleeve 15, and the bottom activity of sleeve 15 has cup jointed heightening block 16, and is equipped with bolster 17 between sleeve 15 and the heightening block 16, and heightening block 16's bottom screw thread is connected with screw thread post 20, and screw thread post 20's bottom fixedly connected with base 21, base 21 and die holder 4's last fixed surface are connected. The outer wall of the heightening block 16 is fixedly connected with a rotating rod 19 below the sleeve 15, a convex ring 18 is fixedly arranged at the top of the heightening block 16, and the buffer 17 is arranged in the convex ring 18 to reach the position for limiting the buffer 17.

In this embodiment, the buffer block 14 is an NDI-based polyurethane elastomer, and has the characteristics of high hardness, good rebound resilience, good heat resistance, excellent dynamic performance, and good wear resistance and oil resistance. The buffer member 17 is a wave spring, and has the characteristics of good elasticity, small installation space, noise reduction and vibration reduction. The buffer block 14 is a primary buffer structure between the upper die holder 1 and the lower die holder 4; the buffer member 17 is matched with the buffer block 14, and is a secondary buffer structure between the upper die base 1 and the lower die base 4, so that the buffer effect can be further improved, the axial impact of the upper die base 1 on the threaded connection between the heightening block 16 and the threaded column 20 can be reduced, the horizontal height of the buffer block 14 can be accurately adjusted by rotating the heightening block 16, and the buffer stroke required by the upper die base 1 can be met when the left longitudinal beams with different sizes are punched.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a left longeron mold processing, includes upper die base (1) and die holder (4), the lower surface fixedly connected with die board (2) of upper die base (1), the upper surface of die holder (4) be equipped with die board (5) of die board (2) looks adaptation, its characterized in that: the upper surface of die holder (4) just is located fixed support (6) that are equipped with all around of convex die board (5), the upper surface of support (6) is equipped with briquetting (12), the upper surface of support (6) just is located spout (7) have been seted up to the below of briquetting (12), support (6) are located sliding fit has dog (8) in spout (7), dog (8) with the lower fixed surface of briquetting (12) is connected, spout (7) internal fixation is equipped with stopper (9), stopper (9) fixedly connected with transverse guide pole (10), transverse guide pole (10) activity runs through dog (8), transverse guide pole (10) just are located outward spiral spring (11) have been cup jointed between stopper (9) and dog (8).

2. The left longitudinal beam machining die of claim 1, wherein: the lower surface of the upper die base (1) is fixedly connected with a guide sleeve (3), the upper surface of the lower die base (4) is fixedly connected with a guide pillar (13) matched with the guide sleeve (3), and the outer wall of the guide pillar (13) is coated with a self-lubricating wear-resistant coating.

3. The left longitudinal beam machining die of claim 1, wherein: the below of upper die base (1) is equipped with buffer block (14), the lower fixed surface of buffer block (14) is connected with sleeve (15), the bottom activity of sleeve (15) has been cup jointed and has been increaseed piece (16), just sleeve (15) with it is equipped with bolster (17) to increase between piece (16), the bottom screw thread of increaseing piece (16) is connected with screw thread post (20), the bottom fixedly connected with base (21) of screw thread post (20), base (21) with the last fixed surface of die holder (4) is connected.

4. The left longitudinal beam machining die of claim 3, wherein: the buffer block (14) is an NDI-based polyurethane elastomer; the buffer piece (17) is a wave spring.

5. The left longitudinal beam machining die of claim 3, wherein: the outer wall of heightening block (16) is located below fixedly connected with rotating rod (19) of sleeve (15), the top of heightening block (16) is fixed with bulge loop (18), and buffer member (17) is located bulge loop (18).