CN219445927U

CN219445927U - Injection mold with high demolding efficiency for precise machining

Info

Publication number: CN219445927U
Application number: CN202223427799.1U
Authority: CN
Inventors: 杜超
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-08-01
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses an injection mold with high demolding efficiency for precision machining, which comprises a base, wherein two sides of the top of the base are fixedly connected with supporting plates, the top of each supporting plate is fixedly connected with a top plate, the top of each top plate is fixedly provided with a telescopic cylinder, and the bottom of each telescopic cylinder penetrates through the bottom of each top plate and is fixedly connected with an upper mold. According to the utility model, the support box, the screw rod, the pull rod, the limit bolt, the first sliding groove, the second sliding groove, the telescopic column, the moving plate, the reset spring, the first sliding column, the second sliding column, the lifting plate, the ejector rod and the ejector plate are mutually matched, so that the advantage of improving the demolding efficiency by automatic demolding is achieved, the product can be automatically ejected and demolded after injection molding, the problem of lower product demolding efficiency caused by the need of manually demolding the product by a worker is avoided, the demolding efficiency of the product is improved, and the working efficiency of the worker is also improved.

Description

Injection mold with high demolding efficiency for precise machining

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold with high demolding efficiency for precise machining.

Background

The injection mold is a tool for producing plastic products, and also a tool for endowing the plastic products with complete structures and precise dimensions, and the injection molding is a processing method used for mass production of parts with complex shapes, specifically, the injection mold is used for injecting heated and melted plastic into a mold cavity at high pressure by an injection molding machine, and cooling and solidifying are carried out to obtain the formed products.

In precision machining field, when the product is carrying out injection molding, need use injection mold, current injection mold does not have the function of convenient drawing of patterns, leads to the product after the completion of moulding plastics, needs the workman to carry out the drawing of patterns to the product manually, causes the product drawing of patterns inefficiency, has also reduced workman's work efficiency simultaneously, therefore we provide an injection mold that precision machining is with drawing of patterns efficient to solve above-mentioned problem.

Disclosure of Invention

The utility model aims to provide an injection mold with high demolding efficiency for precision machining, which has the advantages of automatic demolding and demolding efficiency improvement, and solves the problem that the existing injection mold does not have a function of facilitating demolding, so that after injection molding of a product is finished, a worker is required to manually demold the product, and the demolding efficiency of the product is low.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injection mold that precision machining is with drawing of patterns efficiency is high, includes the base, the both sides at base top all fixedly connected with backup pad, the top fixedly connected with roof of backup pad, the top fixed mounting of roof has flexible cylinder, the bottom of flexible cylinder runs through to the bottom of roof and fixedly connected with goes up the mould, the center department fixedly connected with bottom plate at base top, the both sides at bottom plate top all fixedly connected with supporting box, the top fixedly connected with bed die of supporting box, the injection groove has been seted up at the center department at bed die top, the both sides at bed die top all fixedly connected with guide post, the top of guide post runs through the top of upper die, the bottom of upper die both sides all fixedly connected with screw rod, the surface cover of screw rod is equipped with the pull rod, the surface of screw rod and the outside threaded connection who is located the pull rod have stop bolt, the outer side of the supporting box is provided with a first sliding groove, the inner side of the supporting box is provided with a second sliding groove, the top of the inner wall of the supporting box is fixedly connected with a telescopic column, the bottom of the telescopic column is fixedly connected with a moving plate, the surface of the telescopic column is sleeved with a return spring, the outer side of the moving plate is fixedly connected with a first sliding column, the surface of the first sliding column is in sliding connection with the inner cavity of the first sliding groove, the outer end of the first sliding column penetrates to the outer side of the supporting box and is fixedly connected with the bottom of the inner side of a pull rod, the inner side of the moving plate is fixedly connected with a second sliding column, the surface of the second sliding column is in sliding connection with the inner cavity of the second sliding groove, the inner end of the second sliding column penetrates to the inner side of the supporting box and is fixedly connected with a lifting plate, the top of the lifting plate is fixedly connected with a push rod, the top of ejector pin runs through to the inner chamber of injection molding groove and fixedly connected with liftout board.

As the preferred scheme, the both sides of flexible cylinder are all fixedly connected with support frame, and the bottom of support frame and the top fixed connection of roof.

Preferably, the width and the height of the inner cavity of the first sliding groove are larger than those of the first sliding column, and the length of the inner cavity of the first sliding groove is smaller than that of the first sliding column.

Preferably, the width and the height of the inner cavity of the second sliding groove are larger than those of the second sliding column, and the length of the inner cavity of the second sliding groove is smaller than that of the second sliding column.

As the preferable scheme, reset spring's top and the top fixed connection of supporting the incasement wall, reset spring's bottom and the top fixed connection of movable plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the support box, the screw rod, the pull rod, the limit bolt, the first sliding groove, the second sliding groove, the telescopic column, the moving plate, the reset spring, the first sliding column, the second sliding column, the lifting plate, the ejector rod and the ejector plate are mutually matched, so that the advantage of improving the demolding efficiency by automatic demolding is achieved, the product can be automatically ejected and demolded after injection molding, the problem of lower product demolding efficiency caused by the need of manually demolding the product by a worker is avoided, the demolding efficiency of the product is improved, and the working efficiency of the worker is also improved.

2. According to the utility model, the supporting frame is arranged to play a role in fixedly supporting the telescopic cylinder, so that the stability of the telescopic cylinder in use is improved, the movable plate is conveniently pulled to lift by arranging the first sliding groove and the first sliding column, the lifting plate is conveniently pulled to lift by arranging the second sliding groove and the second sliding column, and the movable plate is conveniently elastically reset by arranging the reset spring.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged sectional view of the internal structure of the supporting case of the present utility model;

fig. 3 is an enlarged view of a portion of fig. 1 according to the present utility model.

In the figure: 1. a base; 2. a support plate; 3. a top plate; 4. a telescopic cylinder; 5. an upper die; 6. a bottom plate; 7. a supporting box; 8. a lower die; 9. an injection molding groove; 10. a guide post; 11. a screw; 12. a pull rod; 13. a limit bolt; 14. a first sliding groove; 15. a second sliding groove; 16. a telescopic column; 17. a moving plate; 18. a return spring; 19. a first sliding column; 20. a second sliding column; 21. a lifting plate; 22. a push rod; 23. and a material ejection plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an injection mold with high demolding efficiency for precision machining comprises a base 1, wherein two sides of the top of the base 1 are fixedly connected with a supporting plate 2, the top of the supporting plate 2 is fixedly connected with a top plate 3, the top of the top plate 3 is fixedly provided with a telescopic cylinder 4, the bottom of the telescopic cylinder 4 penetrates to the bottom of the top plate 3 and is fixedly connected with an upper mold 5, the center of the top of the base 1 is fixedly connected with a bottom plate 6, two sides of the top of the bottom plate 6 are fixedly connected with a supporting box 7, the top of the supporting box 7 is fixedly connected with a lower mold 8, the center of the top of the lower mold 8 is provided with an injection groove 9, two sides of the top of the lower mold 8 are fixedly connected with guide posts 10, the top of the guide posts 10 penetrate to the top of the upper mold 5, the bottoms of the two sides of the upper mold 5 are fixedly connected with screws 11, the surfaces of the screws 11 are sleeved with pull rods 12, the surface of the screw rod 11 is connected with a limit bolt 13 in a threaded manner and positioned at the outer side of the pull rod 12, the outer side of the supporting box 7 is provided with a first sliding groove 14, the inner side of the supporting box 7 is provided with a second sliding groove 15, the top of the inner wall of the supporting box 7 is fixedly connected with a telescopic column 16, the bottom of the telescopic column 16 is fixedly connected with a movable plate 17, the surface of the telescopic column 16 is sleeved with a return spring 18, the outer side of the movable plate 17 is fixedly connected with a first sliding column 19, the surface of the first sliding column 19 is in sliding connection with the inner cavity of the first sliding groove 14, the outer end of the first sliding column 19 penetrates through the outer side of the supporting box 7 and is fixedly connected with the bottom of the inner side of the pull rod 12, the inner side of the movable plate 17 is fixedly connected with a second sliding column 20, the surface of the second sliding column 20 is in sliding connection with the inner cavity of the second sliding groove 15, the inner end of the second sliding column 20 penetrates through the inner side of the supporting box 7 and is fixedly connected with a lifting plate 21, the top fixedly connected with ejector pin 22 of lifter plate 21, the top of ejector pin 22 runs through to the inner chamber of injection molding groove 9 and fixedly connected with liftout plate 23, through setting up supporting box 7, screw rod 11, pull rod 12, stop bolt 13, first sliding tray 14, second sliding tray 15, flexible post 16, movable plate 17, reset spring 18, first sliding column 19, second sliding column 20, lifter plate 21, ejector pin 22 and liftout plate 23 mutually support, the advantage that automatic drawing of patterns improves drawing of patterns efficiency has been reached, make the product after the completion of moulding plastics, can be automatic with the product jack-up drawing of patterns, the problem that needs the workman manually to carry out the drawing of patterns to the product to cause the product drawing of patterns efficiency lower has been avoided, the drawing of patterns efficiency of product has been improved, simultaneously also improved workman's work efficiency.

The support frames are fixedly connected to the two sides of the telescopic cylinder 4, and the bottoms of the support frames are fixedly connected with the top of the top plate 3.

Through above-mentioned technical scheme, through setting up the support frame, play fixed bolster's effect to flexible cylinder 4, stability when having increased flexible cylinder 4 and using.

The width and the height of the inner cavity of the first sliding groove 14 are larger than those of the first sliding column 19, and the length of the inner cavity of the first sliding groove 14 is smaller than that of the first sliding column 19.

Through the above technical scheme, through setting up first sliding tray 14 and first slip post 19, play the effect of conveniently pulling movable plate 17 and rise.

The width and the height of the inner cavity of the second sliding groove 15 are larger than those of the second sliding column 20, and the length of the inner cavity of the second sliding groove 15 is smaller than that of the second sliding column 20.

Through the above technical scheme, the second sliding groove 15 and the second sliding column 20 are arranged to conveniently pull the lifting plate 21 to lift.

The top of the return spring 18 is fixedly connected with the top of the inner wall of the supporting box 7, and the bottom of the return spring 18 is fixedly connected with the top of the moving plate 17.

Through above-mentioned technical scheme, through setting up reset spring 18, play the effect that makes things convenient for elasticity to reset to movable plate 17.

The working principle of the utility model is as follows: the upper die 5 is pushed to descend through the telescopic cylinder 4 to be in contact with the lower die 8, then injection molding is started to be carried out on the inner cavity of the injection molding groove 9, when the material is taken, the telescopic cylinder 4 is opened through the external controller to shrink, the telescopic cylinder 4 drives the upper die 5 to ascend, the upper die 5 moves the bottom screw 11 to pull the pull rod 12 to start moving, the pull rod 12 moves to drive the first sliding column 19 to slide in the inner cavity of the first sliding groove 14, the first sliding column 19 moves to drive the moving plate 17 to extrude towards the telescopic column 16 and the reset spring 18, the moving plate 17 moves to drive the second sliding column 20 to slide in the inner cavity of the second sliding groove 15, the second sliding column 20 moves to drive the lifting plate 21 to ascend, the lifting plate 21 ascends to drive the ejector rod 22 and the ejector plate 23 to jack up the injection molded product in the inner cavity of the injection molding groove 9, the injection molded product is enabled to leave the inner cavity of the injection molding groove 9, then workers can directly take down the injection molded product, so repeated use is achieved, the worker can jack up and demolding time is shortened, the product is required to be automatically ejected and demolded manually, the problem of low product efficiency caused by demolding efficiency of the worker is avoided, and the demolding efficiency is improved.

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

Claims

1. Injection mold with high demolding efficiency for precision machining, comprising a base (1), and characterized in that: the utility model discloses a sliding limit box, including base (1) and supporting box, both sides at base (1) top are all fixedly connected with backup pad (2), the top fixedly connected with roof (3) of backup pad (2), the top fixed mounting of roof (3) has telescopic cylinder (4), the bottom of telescopic cylinder (4) runs through to the bottom of roof (3) and fixedly connected with goes up mould (5), the center department fixedly connected with bottom plate (6) at base (1) top, the both sides at bottom plate (6) top are all fixedly connected with supporting box (7), the top fixedly connected with bed die (8) of supporting box (7), injection moulding groove (9) have been seted up at the center department at bottom die (8) top, the both sides at bottom die (8) top are all fixedly connected with guide post (10), the top of guide post (10) runs through the top of last mould (5), the bottom of last mould (5) both sides is all fixedly connected with screw rod (11), the surface cover of screw rod (11) is equipped with pull rod (12), the surface of screw rod (11) and be located the outside of pull rod (12) supporting box (7) is equipped with second screw bolt (13), the outside (14) is seted up to the supporting box (15), the top fixedly connected with telescopic column (16) of supporting box (7) inner wall, the bottom fixedly connected with movable plate (17) of telescopic column (16), the surface cover of telescopic column (16) is equipped with reset spring (18), the outside fixedly connected with first slip post (19) of movable plate (17), the inner chamber sliding connection of the surface of first slip post (19) and first sliding tray (14), the outer end of first slip post (19) runs through to the outside of supporting box (7) and with the inboard bottom fixed connection of pull rod (12), the inboard fixedly connected with second slip post (20) of movable plate (17), the inner chamber sliding connection of surface and second sliding tray (15) of second slip post (20), the inner of second slip post (20) runs through to the inboard of supporting box (7) and fixedly connected with lifter plate (21), the top fixedly connected with ejector pin (22) of lifter plate (21), the top of ejector pin (22) runs through to the inner chamber of injection molding tray (9) and fixedly connected with ejector plate (23).

2. The injection mold with high demolding efficiency for precision machining according to claim 1, characterized in that: the two sides of the telescopic cylinder (4) are fixedly connected with supporting frames, and the bottoms of the supporting frames are fixedly connected with the top of the top plate (3).

3. The injection mold with high demolding efficiency for precision machining according to claim 1, characterized in that: the width and the height of the inner cavity of the first sliding groove (14) are larger than those of the first sliding column (19), and the length of the inner cavity of the first sliding groove (14) is smaller than that of the first sliding column (19).

4. The injection mold with high demolding efficiency for precision machining according to claim 1, characterized in that: the width and the height of the inner cavity of the second sliding groove (15) are larger than those of the second sliding column (20), and the length of the inner cavity of the second sliding groove (15) is smaller than that of the second sliding column (20).

5. The injection mold with high demolding efficiency for precision machining according to claim 1, characterized in that: the top of the return spring (18) is fixedly connected with the top of the inner wall of the supporting box (7), and the bottom of the return spring (18) is fixedly connected with the top of the moving plate (17).