CN221292085U

CN221292085U - A mould for injection molding

Info

Publication number: CN221292085U
Application number: CN202322984854.5U
Authority: CN
Inventors: 冯红; 梁远驱; 黎扬文
Original assignee: Dongguan Xuanpin Mold Technology Co ltd
Current assignee: Dongguan Xuanpin Mold Technology Co ltd
Filing date: 2023-11-06
Publication date: 2024-07-09
Anticipated expiration: 2033-11-06

Abstract

The utility model discloses a mold for injection molding, which comprises a base, wherein a workbench is fixedly arranged at the top of the base, a lower mold base is arranged above the workbench, an upper mold base is movably arranged at the top of the lower mold base, an injection molding pipe is fixedly connected at the top of the upper mold base, a buffer mechanism is arranged between the upper mold base and the base, a connecting seat is fixedly arranged at the bottom end of the lower mold base, inserting blocks A are fixedly arranged at two sides of the bottom end of the connecting seat, inserting grooves A matched with the inserting blocks A are formed in the upper surface of the workbench, and detachable components are arranged at two sides of the connecting position of the connecting seat and the workbench. According to the structure, the problems that in the process of replacing the die of an existing injection molding machine, most of the bolts are detached by using tools, so that the die is detached and replaced, and the detachment process is complicated are solved.

Description

A mould for injection molding

Technical Field

The utility model relates to the technical field of molds, in particular to a mold for injection molding.

Background

The injection mold is a tool for producing plastic products; is also a tool for endowing plastic products with complete structure and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. Specifically, an injection molding machine in heated and melted plastic is injected into a mold cavity under high pressure, and a formed product is obtained after cooling and solidification.

Aiming at the prior patent number CN202121690825.2, a mold for injection molding is disclosed, the inside of the device adopts a joint part with side face inclined treatment when an upper mold and a lower mold are combined, the angle of an inclined plane is utilized to enable the upper mold and the lower mold to form automatic alignment performance when the upper mold and the lower mold are injection molded, a concave groove and a convex block with inverted triangle structures are adopted to strengthen the stability of the combination of the two molds during the combination, the injection molding effect between the injection molding groove and the injection molding convex block is improved, deviation can not occur or the technical effect of displacement can not occur during the injection molding process, the technical problem that the lamination stability of the injection mold is not high, the clamping condition easily occurs during the combination, and the combination speed between the molds is slow is solved, the mold needs to be replaced according to the requirement of a user during the use process of the injection molding machine, but the injection molding machine is used for disassembling the bolts during the replacement of the mold, the disassembly process is complicated, and the practicability of the injection molding machine is reduced; therefore, the existing demand is not met, for which we propose a mould for injection moulding.

Disclosure of utility model

The utility model aims to provide a mold for injection molding, which aims at solving the technical effects of the prior art CN202121690825.2, the mold for injection molding is provided, the inside of the device adopts a joint part with side inclined treatment when an upper mold and a lower mold are combined, the angle of an inclined plane is utilized to enable the upper mold and the lower mold to form automatic alignment performance when the upper mold and the lower mold are injected, the stability of the combination of the two molds is enhanced by adopting a concave groove and a convex block with inverted triangle structures when the upper mold and the lower mold are combined, the injection molding effect between the injection molding groove and the injection molding convex block is improved, the technical effects that deviation does not occur or the phenomenon of displacement does not occur in the injection molding process are avoided, the technical problems that the lamination stability of the injection molding mold is not high, the clamping condition easily occurs when the injection molding mold is combined, the combination speed between the molds is slow are solved, the mold needs to be replaced according to the requirement of a user in the use process of an injection molding machine, but the injection molding machine is complicated to disassemble the bolts when the mold is replaced by using the tool, the disassembly process of the mold, the practicality of the injection molding machine is reduced, and the like.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mould for injection molding, includes the base, the top fixed mounting of base has the workstation, the top of workstation is provided with the die holder, the top movable mounting of die holder has the upper die base, the top fixedly connected with pipe of moulding plastics of upper die base, be provided with buffer gear between upper die base and the base, the bottom fixed mounting of die holder has the connecting seat, the both sides of connecting seat bottom are all fixed to be provided with insert A, slot A with insert A cooperation use is seted up to the upper surface of workstation, the both sides of connecting seat and workstation junction all are provided with detachable component;

The detachable assembly comprises a groove fixedly installed on one side of the inner end part of the inserting block A, an extension spring is fixedly connected to the inside of the groove, a movable block is fixedly connected to the other side of the extension spring, a movable groove B is formed in one side, close to the movable block, of the inserting block A, one end of the movable block penetrates through the inserting block A and stretches into the movable groove B, a movable groove A penetrates through the upper side of the movable groove B and the side of the connecting seat, the movable groove A is close to the opening part and is vertically connected with a guide sliding rod, the outer surface of the guide sliding rod is slidably connected with a guide sliding sleeve, an L-shaped movable rod is fixedly connected to one side of the guide sliding sleeve, a spring is sleeved on the outer surface of the guide sliding rod, and two sides of the spring are fixedly connected with the side wall of the movable groove A and the L-shaped movable rod (12) respectively.

Preferably, the other side fixedly connected with inserted block B of "L" shape movable rod to slot B with inserted block B cooperation grafting is seted up to movable groove A's bottom, movable groove A's bottom with movable groove B link up, the other end fixedly connected with of "L" shape movable rod supports the piece, and supports the piece and be located movable groove B.

Preferably, the buffer mechanism comprises short pipes fixedly mounted at four end corners of the top surface of the base, the upper surfaces of the short pipes are welded with telescopic springs, and sliding rods are slidably connected in the inner walls of the short pipes located in the telescopic springs.

Preferably, four groups of grooves are formed in four end corners of the bottom surface of the upper die holder, and the top ends of the telescopic springs and the sliding rods are welded and fixed with the inner walls of the grooves.

Preferably, the tops of the two movable blocks are inclined planes, the inclination angle of the inclined planes is forty-five degrees, one side of the abutting block is in contact with the movable block, and two corners of the front end face of the movable block are arc-shaped.

Preferably, a sliding rod is fixedly arranged on one side of the abutting block, which is close to the spring, and a sliding groove matched with the sliding rod is formed in the inner side wall of the movable groove A; when the abutting block moves, the sliding rod on one side of the abutting block is driven to slide in the sliding groove, so that the stability of the abutting block during movement is further improved.

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

1. According to the utility model, the L-shaped movable rod is moved to the side close to the workbench by a user, so that the guide sliding sleeve drives the spring to move on the outer surface of the guide sliding rod, and meanwhile, when the abutting block moves, the sliding rod on one side of the abutting block is driven to slide in the sliding groove, so that the stability of the abutting block during moving is further improved, the abutting block is driven to contact with one side of the movable block, the movable block drives the extension spring to move to the side close to the inserting block A, and the front side of the movable block is arranged into a circular arc shape, so that the movable block is separated from the movable groove A and enters the groove to release the limitation of the inserting block A, and the disassembling can be performed between the lower die holder and the workbench, so that the problem that in the process of replacing a die, the existing injection molding machine is mostly disassembled by using a tool, and the disassembling process is complicated is solved, and the die of the device has the advantage of being convenient to replace, and the practicability of the injection molding machine is improved;

2. According to the utility model, when the replaced lower die holder is required to be installed, the movable block is extruded inwards, so that the movable block enters the groove under the self deformation of the extension spring, then the inserting block A is aligned with the inserting groove A and is inserted into the inserting groove A, when the inserting block A is inserted into the inserting groove A, until the movable block moves to the opening where the inserting groove A is communicated with the movable groove A, the movable block enters the movable groove A under the self deformation of the extension spring, and the installation limit of the lower die holder is realized.

Drawings

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

FIG. 2 is a schematic view of the connection between the lower die holder and the workbench according to the present utility model;

fig. 3 is an enlarged partial structure diagram of fig. 2 a according to the present utility model.

In the figure: 1. a base; 2. an upper die holder; 3. a short pipe; 4. a slide bar; 5. a work table; 6. a connecting seat; 7. a lower die holder; 8. a slot A; 9. a plug A; 10. a movable groove A; 11. a spring; 12. an L-shaped movable rod; 13. an inserting block B; 14. a slot B; 15. abutting blocks; 16. a movable groove B; 17. a movable block; 18. a groove; 19. a stretching spring; 20. a guide slide bar; 21. a guide sliding sleeve; 22. and a sliding groove.

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.

Referring to fig. 1 to 3, an embodiment of the present utility model provides: the utility model provides a mould for injection molding, including base 1, the top fixed mounting of base 1 has workstation 5, the top of workstation 5 is provided with die holder 7, the top movable mounting of die holder 7 has upper die base 2, the top fixedly connected with pipe of moulding plastics of upper die base 2, be provided with buffer gear between upper die base 2 and the base, the bottom fixed mounting of die holder 7 has connecting seat 6, the both sides of connecting seat 6 bottom are all fixed to be provided with insert A9, slot A8 with the cooperation of insert A9 is seted up on the upper surface of workstation 5, the both sides of connecting seat 6 and workstation 5 junction all are provided with detachable assembly;

The detachable assembly comprises a groove 18 fixedly installed on one side of the inner end portion of the inserting block A9 located in the inserting groove A8, an extension spring 19 is fixedly connected to the inside of the groove 18, a movable block 17 is fixedly connected to the other side of the extension spring 19, a movable groove B16 is formed in one side, close to the movable block 17, of the inserting groove A8, one end of the movable block 17 penetrates through the inserting groove A8 and stretches into the movable groove B16, a movable groove A10 penetrates through the upper portion of the movable groove B16 and the side, located on the connecting seat 6, of the movable groove A10, a guide sliding rod 20 is vertically connected to the position, close to the opening, of the movable groove A10, a guide sliding sleeve 21 is slidably connected to the outer surface of the guide sliding rod 20, an L-shaped movable rod 12 is fixedly connected to one side of the guide sliding sleeve 21, a spring 11 is sleeved on the outer surface of the guide sliding rod 20, and two sides of the spring 11 are fixedly connected to the side wall of the movable groove A10 and the L-shaped movable rod (12) respectively.

The other side of the L-shaped movable rod 12 is fixedly connected with an inserting block B13, the bottom end of the movable groove A10 is provided with a slot B14 matched and inserted with the inserting block B13, the bottom end of the movable groove A10 is communicated with the movable groove B16, the other end of the L-shaped movable rod 12 is fixedly connected with a supporting block 15, and the movable supporting block 15 is positioned in the movable groove B16.

The buffer mechanism comprises short pipes 3 fixedly mounted at four end corners of the top surface of the base 1, telescopic springs are welded on the upper surface of the short pipes 3, and sliding rods 4 are slidably connected in the telescopic springs, which are arranged on the inner walls of the short pipes 3. Four groups of grooves are formed in four end corners of the bottom surface of the upper die holder 2, and the top ends of the telescopic springs and the sliding rods 4 are welded and fixed with the inner walls of the grooves.

The tops of the two movable blocks 17 are inclined planes, the inclination angle of the inclined planes is forty-five degrees, one side of the supporting block 15 is in contact with the movable blocks 17, and two corners of the front end face of each movable block 17 are arranged in a circular arc shape.

A slide bar is fixedly arranged on one side of the supporting block 15 close to the spring 11, and a slide groove 22 matched with the slide bar is formed in the inner side wall of the movable groove A10. By adopting the technical means, when the supporting block 15 moves, the sliding rod on one side of the supporting block 15 is driven to slide in the sliding groove 22, so that the stability of the supporting block 15 during movement is further improved.

When the mould for injection molding is used, a user moves the L-shaped movable rod 12 to the side close to the workbench 5, so that the guide sliding sleeve 21 drives the spring 11 to move on the outer surface of the guide sliding rod 20, meanwhile, when the abutting block 15 moves, the sliding rod on one side of the abutting block 15 is driven to slide in the sliding groove 22, the stability of the abutting block 15 during movement is further improved, the abutting block 15 is driven to contact with one side of the movable block 17, the movable block 17 drives the extension spring 19 to move to the side close to the inserting block A9, and the front side of the movable block 17 is in a circular arc shape, so that the movable block 17 is separated from the movable groove A10, and the limiting on the inserting block A9 is released by the entering the groove 18, so that the disassembly between the lower die seat 7 and the workbench 5 can be released; the problem that in the process of replacing a die of an existing injection molding machine, most of bolts are detached by using tools, so that the die is detached and replaced, and the disassembling process is complicated is solved, and the die of the device has the advantage of being convenient to replace, and the practicability of the injection molding machine is improved;

when the replaced lower die holder 7 is required to be installed, the movable block 17 is pressed inwards, so that the movable block 17 enters the groove 18 under the self deformation of the extension spring 19, then the inserting block A9 is aligned with the inserting groove A8, when the inserting block A9 is inserted into the inserting groove A8, until the movable block 17 moves to the opening where the inserting groove A8 is communicated with the movable groove A10, the movable block 17 enters the movable groove A10 under the self deformation of the extension spring 19, and the installation limitation of the lower die holder 7 is realized.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a mould for injection molding, includes base (1), the top fixed mounting of base (1) has workstation (5), the top of workstation (5) is provided with die holder (7), the top movable mounting of die holder (7) has upper die base (2), the top fixedly connected with pipe of moulding plastics of upper die base (2), its characterized in that: a buffer mechanism is arranged between the upper die holder (2) and the base, a connecting seat (6) is fixedly arranged at the bottom end of the lower die holder (7), inserting blocks A (9) are fixedly arranged at two sides of the bottom end of the connecting seat (6), a slot A (8) matched with the inserting blocks A (9) for use is formed in the upper surface of the workbench (5), and detachable components are arranged at two sides of the connecting position of the connecting seat (6) and the workbench (5);

The detachable assembly comprises a groove (18) fixedly installed on one side of the inner end part of an inserting block A (9) positioned in a slot A (8), an extension spring (19) is fixedly connected to the inside of the groove (18), a movable block (17) is fixedly connected to the other side of the extension spring (19), a movable groove B (16) is formed in one side, close to the movable block (17), of the inserting block A (8), one end of the movable block (17) penetrates through the inserting block A (8) and stretches into the movable groove B (16), a movable groove A (10) is formed in the upper side of the movable groove B (16) and is positioned on the side of a connecting seat (6), a guide sliding rod (20) is vertically connected to the side, close to the opening, a guide sliding sleeve (21) is slidably connected to the outer surface of the guide sliding rod (20), a spring (11) is sleeved on the outer surface of the guide sliding rod (20), and two sides of the spring (11) are respectively fixedly connected with an L-shaped movable rod (12) and a side wall (10).

2. A mold for injection molding according to claim 1, wherein: the other side fixedly connected with inserted block B (13) of "L" shape movable rod (12) to slot B (14) with inserted block B (13) cooperation grafting are seted up to the bottom of movable groove A (10), the bottom of movable groove A (10) with movable groove B (16) link up, the other end fixedly connected with of "L" shape movable rod (12) supports piece (15), and supports piece (15) and be located movable groove B (16).

3. A mold for injection molding according to claim 1, wherein: the buffering mechanism comprises short pipes (3) fixedly mounted at four end corners of the top surface of the base (1), telescopic springs are welded on the upper surface of the short pipes (3), and sliding rods (4) are slidably connected in the telescopic springs and are located on the inner walls of the short pipes (3).

4. A mold for injection molding according to claim 3, wherein: four groups of grooves are formed in four end corners of the bottom surface of the upper die holder (2), and the top ends of the telescopic springs and the sliding rods (4) are welded and fixed with the inner walls of the grooves.

5. A mold for injection molding according to claim 2, wherein: the tops of the two movable blocks (17) are inclined planes, the inclination angle of each inclined plane is forty-five degrees, one side of each abutting block (15) is in contact with each movable block (17), and two corners of the front end face of each movable block (17) are arc-shaped.

6. A mold for injection molding according to claim 2, wherein: a sliding rod is fixedly arranged on one side, close to the spring (11), of the abutting block (15), and a sliding groove (22) matched with the sliding rod is formed in the inner side wall of the movable groove A (10).