CN216968507U

CN216968507U - Automatic plastic injection mold of drawing of patterns

Info

Publication number: CN216968507U
Application number: CN202123157925.1U
Authority: CN
Inventors: 高沛良; 左群波
Original assignee: Dongguan Zhenming Mould Plastic Co ltd
Current assignee: Dongguan Zhenming Mould Plastic Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-07-15
Anticipated expiration: 2031-12-15

Abstract

The utility model relates to the technical field of injection molds, in particular to a plastic injection mold capable of automatically demolding. The technical scheme comprises the following steps: the bed die and locate the bed die at bed die top, the lift groove has all been seted up to the both sides plate body of bed die, and the inner chamber in lift groove is equipped with threaded rod and spiro union in the movable block of threaded rod, and the guide way has all been seted up to the both sides wall in lift groove, and the both sides wall of movable block all is equipped with the guide block of pegging graft to in the guide way vallecular cavity, and the top of movable block is equipped with the stopper, and the inserting groove has been seted up to a lateral wall of stopper, is equipped with the dead lever in the vallecular cavity of inserting groove. According to the utility model, the upper die and the lower die can be quickly fixed and disassembled under the action of the fixed rod by arranging the limit blocks capable of lifting and moving, so that the upper die and the lower die are conveniently and quickly demoulded, and the fixing and disassembling are carried out without adopting a driven screwing bolt and a screw, so that the working strength of workers is greatly reduced.

Description

Automatic plastic injection mold of drawing of patterns

Technical Field

The utility model relates to the technical field of injection molds, in particular to a plastic injection mold capable of automatically demolding.

Background

Current plastic injection mold mainly has the mould, bed die and fixed subassembly constitute, fixed subassembly mainly has bolt and screw to constitute, current plastic injection mold still has certain not enough in the use, if current plastic injection mold is owing to adopt the fixed mode of bolt and screw, dismantle fast not convenient for when carrying out automatic drawing of patterns, it can bring very big working strength for the staff to revolve wrong bolt and screw, and bolt and screw are along with the extension of live time, its life can greatly reduced, take place smooth silk even and lead to being difficult to the phenomenon of fixing injection mold. Therefore, there is a need for an automatic demolding plastic injection mold that performs automatic demolding and enables the plastic injection mold to be quickly installed and removed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the background art and provides an automatic demoulding plastic injection mould which can realize automatic demoulding and can ensure that the plastic injection mould can be quickly assembled and disassembled.

The technical scheme of the utility model is as follows: automatic plastic injection mold of drawing of patterns, including the bed die and locate the bed die at bed die top, the lift groove has all been seted up to the both sides plate body of bed die, and the inner chamber in lift groove is equipped with threaded rod and spiro union in the movable block of threaded rod, and the guide way has all been seted up to the both sides wall in lift groove, the both sides wall of movable block all be equipped with peg graft extremely guide block in the guide way vallecular cavity, the top of movable block is equipped with the stopper, and the inserting groove has been seted up to a lateral wall of stopper, is equipped with the dead lever in the vallecular cavity of inserting groove.

Preferably, the injection molding cavity is formed in the top wall of the lower die and the bottom wall of the upper die, and the transmission groove communicated with the groove cavity in the bottom of the lifting groove is formed in the plate body of the lower die.

Preferably, be equipped with the installation piece in the vallecular cavity of transmission groove, the plate body of installation piece runs through and is provided with the transfer line, the bottom body of rod fixed mounting of threaded rod has transmission bevel gear A, being close to of transfer line the body of rod fixed mounting of the one end of threaded rod has transmission bevel gear B, just transmission bevel gear A with intermeshing between the transmission bevel gear B, keeping away from of transfer line the one end body of rod fixed mounting of threaded rod has hand wheel.

Preferably, the plate bodies on the two sides of the upper die are provided with mounting grooves communicated with the lifting grooves, the limiting blocks are located in top groove cavities of the mounting grooves, the middle plate body of the limiting block is provided with penetrating grooves matched with the threaded rods, and connecting rods are connected between the bottom walls on the two sides of the limiting block and the top walls on the two sides of the moving block.

Preferably, one side of the mounting groove, which is far away from the injection molding cavity, is provided with a movable groove communicated with the mounting groove, and one side of the movable groove is provided with a limiting groove communicated with the movable groove cavity.

Preferably, the fixed rod is located in the groove cavity of the movable groove, a limiting plate is fixedly connected to one side wall of the fixed rod, a plate body of the limiting plate is inserted into the groove cavity of the limiting groove, and a limiting spring connected with the side wall of the limiting plate is arranged on one side of the limiting plate, which is far away from the limiting block.

Preferably, a pulling plate is fixedly mounted on the rod body at one end of the fixing rod, which is far away from the limiting block.

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

through setting up the stopper that the liftable removed for the stopper can be by in the bed die rise to the bed die, under the effect of dead lever, can be so that go up and carry out quick fixed and dismantlement between mould and the bed die, thereby be convenient for carry out the drawing of patterns fast, need not to adopt driven revolving bolt and screw soon to fix and dismantle, very big work strength who has alleviateed the staff.

Drawings

FIG. 1 is a schematic front sectional view of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a perspective view of a portion of the structure of fig. 1.

Reference numerals: 1. a lower die; 2. an upper die; 3. an injection molding cavity; 4. a transmission bevel gear A; 5. a transmission bevel gear B; 6. a transmission rod; 7. a hand-operated wheel; 8. a lifting groove; 9. a threaded rod; 10. a guide groove; 11. a moving block; 12. pulling a plate; 13. fixing the rod; 14. a guide block; 15. a transmission groove; 16. mounting blocks; 17. a connecting rod; 18. mounting grooves; 19. a limiting plate; 20. a limiting spring; 21. a limiting groove; 22. a movable groove; 23. inserting grooves; 24. a limiting block; 25. and (6) inserting the slots.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-3, the plastic injection mold with automatic demolding provided by the utility model comprises a lower mold 1 and an upper mold 2 arranged at the top of the lower mold 1, wherein the left and right side plate bodies of the lower mold 1 are both provided with a lifting groove 8, the inner cavity of the lifting groove 8 is provided with a threaded rod 9 and a moving block 11 screwed with the threaded rod 9, the left and right side walls of the lifting groove 8 are both provided with guide grooves 10, the left and right side walls of the moving block 11 are both provided with guide blocks 14 inserted into the groove cavities of the guide grooves 10, the top of the moving block 11 is provided with a limit block 24, one side wall of the limit block 24, which is far away from the central part of the upper mold 2, is provided with an insertion groove 23, and a fixing rod 13 is arranged in the groove cavity of the insertion groove 23.

In this embodiment, the bottom body of rod of threaded rod 9 is located in the vallecular cavity diapire of lift groove 8 through the installation bearing dress. Drive threaded rod 9 through transmission structure and rotate, and then under the spacing guide effect of guide way 10 and guide block 14, can control stopper 24 and carry out the lift removal, when needs with between bed die 1 and the last mould 2 install fast, only need control threaded rod 9, make it drive movable block 11 and rise, and then rise stopper 24 into the vallecular cavity of 2 inside setings of supreme mould, under the effect of control dead lever 13, make dead lever 13 insert to stopper 24 in insertion groove 23, thereby fix stopper 24, and then can fix between last mould 2 and the bed die 1, the plastic of being convenient for is moulded plastics, and is very convenient, need not to adopt the fixed mode of revolving bolt and screw soon, staff's working strength has been alleviateed greatly.

Example two

As shown in fig. 1, fig. 2, and fig. 3, compared with the first embodiment, the plastic injection mold with automatic demolding further includes injection cavities 3 respectively formed in the top wall of the lower mold 1 and the bottom wall of the upper mold 2, and the injection cavities 3 are used for filling plastic raw materials. A plate body of the lower die 1 is provided with a transmission groove 15 communicated with a groove cavity at the bottom of the lifting groove 8, a mounting block 16 is arranged in the groove cavity of the transmission groove 15, a transmission rod 6 penetrates through the plate body of the mounting block 16, and the connection part of the rod body of the transmission rod 6 and the plate body of the mounting block 16 is connected through a bearing. A bottom end rod body of the threaded rod 9 is fixedly provided with a transmission bevel gear A4, a rod body of one end of the transmission rod 6 close to the threaded rod 9 is fixedly provided with a transmission bevel gear B5, the transmission bevel gear A4 and the transmission bevel gear B5 are mutually meshed, a rod body of one end of the transmission rod 6 far away from the threaded rod 9 is fixedly provided with a hand wheel 7, the left side plate body and the right side plate body of the upper die 2 are both provided with mounting grooves 18 communicated with a lifting groove 8, a limit block 24 is positioned in a top groove cavity of the mounting groove 18, the middle plate body of the limit block 24 is provided with an inserting groove 25 matched with the threaded rod 9, connecting rods 17 are respectively connected between the bottom walls of two sides of the limit block 24 and the top walls of two sides of a moving block 11, one side of the mounting groove 18 far away from an injection molding cavity 3 is provided with a moving groove 22 communicated with the mounting groove 18, one side of the moving groove 22 is provided with a limit groove 21 communicated with a groove cavity of the moving groove 22, the fixing rod 13 is positioned in the groove cavity of the moving groove 22, and a limiting plate 19 is fixedly connected to one side wall of the fixing rod 13, a plate body of the limiting plate 19 is inserted into a groove cavity of the limiting groove 21, a limiting spring 20 connected with the side wall of the limiting plate 19 is arranged on one side of the limiting plate 19 far away from the limiting block 24, and a pulling plate 12 is fixedly mounted on a rod body of the fixing rod 13 far away from one end of the limiting block 24.

In this embodiment, the hand wheel 7 is rotated to drive the transmission rod 6 to rotate, so that the transmission rod 6 drives the transmission bevel gear B5 to rotate, and under the condition that the transmission bevel gear a4 is meshed with the transmission bevel gear B5, the rotating transmission rod 6 drives the threaded rod 9 to rotate, so that the lifting of the moving block 11 can be controlled. When the fixing of the limiting block 24 needs to be released, the pulling plate 12 only needs to be pulled to drive the fixing rod 13 to move towards the outside, the inner end rod body of the fixing rod 13 moves from the insertion groove 23 of the limiting block 24, the limiting fixing between the upper die 2 and the lower die 1 can be released, the demolding is convenient and rapid to detach, the limiting plate 19 is driven by the fixing rod 13 to extrude the limiting spring 20 in the process of moving towards the outside, the limiting spring 20 is elastically deformed, and the fixing rod 13 can be restored to the original position after the pulling plate 12 is loosened.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. Automatic plastic injection mold of drawing of patterns, include bed die (1) and locate last mould (2) at bed die (1) top, its characterized in that: lifting grooves (8) are formed in plate bodies on two sides of the lower die (1), threaded rods (9) and moving blocks (11) screwed to the threaded rods (9) are arranged in inner cavities of the lifting grooves (8), guide grooves (10) are formed in two side walls of the lifting grooves (8), guide blocks (14) which are inserted into groove cavities of the guide grooves (10) are arranged on two side walls of the moving blocks (11), limit blocks (24) are arranged at the tops of the moving blocks (11), insertion grooves (23) are formed in one side wall of each limit block (24), and fixing rods (13) are arranged in the groove cavities of the insertion grooves (23).

2. The automatic demolding plastic injection mold as claimed in claim 1, wherein: the injection molding cavity (3) is formed in the top wall of the lower die (1) and the bottom wall of the upper die (2), and the transmission groove (15) communicated with the groove cavity at the bottom of the lifting groove (8) is formed in the plate body of the lower die (1).

3. The automatic demolding plastic injection mold as claimed in claim 2, wherein: be equipped with installation piece (16) in the groove cavity of transmission groove (15), the plate body of installation piece (16) runs through and is provided with transfer line (6), the bottom body of rod fixed mounting of threaded rod (9) has transmission bevel gear A (4), being close to of transfer line (6) the body of rod fixed mounting of the one end of threaded rod (9) has transmission bevel gear B (5), just transmission bevel gear A (4) with intermeshing between transmission bevel gear B (5), keeping away from of transfer line (6) the one end body of rod fixed mounting of threaded rod (9) has hand wheel (7).

4. The automatic demolding plastic injection mold as claimed in claim 3, wherein: the plate bodies on the two sides of the upper die (2) are respectively provided with a mounting groove (18) communicated with the lifting groove (8), the limiting block (24) is located in a top groove cavity of the mounting groove (18), the middle plate body of the limiting block (24) is provided with a through slot (25) matched with the threaded rod (9), and connecting rods (17) are connected between the bottom walls on the two sides of the limiting block (24) and the top walls on the two sides of the moving block (11).

5. The automatic demolding plastic injection mold as claimed in claim 4, wherein: one side of the mounting groove (18) far away from the injection molding cavity (3) is provided with a movable groove (22) communicated with the mounting groove (18), and one side of the movable groove (22) is provided with a limiting groove (21) communicated with the groove cavity of the movable groove (22).

6. The automatic demolding plastic injection mold as claimed in claim 5, wherein: dead lever (13) are arranged in the vallecular cavity of activity groove (22), just a lateral wall fixedly connected with limiting plate (19) of dead lever (13), the plate body plug-in of limiting plate (19) connect to in the vallecular cavity of spacing groove (21), keeping away from of limiting plate (19) one side of stopper (24) be equipped with limiting spring (20) that limiting plate (19) lateral wall is connected.

7. The automatic demolding plastic injection mold as claimed in claim 6, wherein: and a pulling plate (12) is fixedly arranged on the rod body at one end of the fixing rod (13) far away from the limiting block (24).