CN219855743U

CN219855743U - Combined injection mold

Info

Publication number: CN219855743U
Application number: CN202320796374.3U
Authority: CN
Inventors: ***
Original assignee: Suzhou Kangruixin Precision Machinery Co ltd
Current assignee: Suzhou Kangruixin Precision Machinery Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-10-20
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses a combined injection mold, and relates to the technical field of injection molds; the utility model comprises a fixed module and a movable module, wherein a lifting plate is arranged in the sliding clamp of the fixed cavity, a connecting groove is arranged between the two cavities, a connecting plate is arranged in the sliding clamp of the connecting groove, and an ejector rod is fixedly arranged on the outer side of the connecting plate; the connecting plate is driven to move upwards through spring force, the connecting plate drives the ejection rod to move upwards, so that the ejection rod ejects an injection molding product, and meanwhile, the connecting plate drives the lifting plate to reset, so that the condition that energy is consumed for demolding can be avoided, and the aim of facilitating demolding is fulfilled; the second toothed plate drives the second gear to rotate, the second gear drives the connecting shaft to rotate, the connecting shaft drives the first gear to rotate, the first gear drives the second toothed plate to move, and the first toothed plate drives the lifting plate to move, so that the top end of the ejector rod is flush with the inner wall of the forming cavity, and the ejector rod can be conveniently contracted, and the aim of convenient operation is fulfilled.

Description

Combined injection mold

Technical Field

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

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. The existing injection mold designs the same series of injection products by changing the movable module in the processing process, so that the processing cost is reduced, but the demolding efficiency is lower, a power structure is required for demolding the products, the energy efficiency is increased, the cost is increased, and aiming at the problems, the inventor proposes a combined injection mold for solving the problems.

Disclosure of Invention

In order to solve the problems of lower demolding efficiency and increased energy efficiency; the utility model aims to provide a combined injection mold.

In order to solve the technical problems, the utility model adopts the following technical scheme: the combined injection mold comprises a fixed mold block and a movable mold block, wherein the movable mold block is positioned above the fixed mold block, a molding cavity is clamped on one side, close to the movable mold block, of the fixed mold block, guide rods distributed in a rectangular array are fixedly arranged on one side, close to the movable mold block, of the fixed mold block, and one end of each guide rod movably penetrates through the movable mold block; the inside of cover half piece has been seted up the cavity of symmetric distribution, the inside slip card of cavity is equipped with the lifter plate, two the spread groove has been seted up between the cavity, the inside slip card of spread groove is equipped with the connecting plate, the both ends of connecting plate respectively with lifter plate fixed connection, the outside of connecting plate is fixed to be equipped with the ejector pin, the one end activity of ejector pin runs through the fixed module and inserts and establish at the shaping intracavity, and the connecting plate drives the ejector pin and upwards moves for the ejector pin is ejecting with the injection molding product, and the connecting plate drives the lifter plate simultaneously and resets, just so can avoid the drawing of patterns to need consume the condition of energy, the inside of spread groove is fixed to be equipped with the spring of distributing side by side, one end of spring and one side fixed connection of connecting plate, the spring can drive the connecting plate through elasticity and reset, can conveniently make the ejector pin with the injection molding product drawing of patterns like this, the length of ejector pin is greater than the height of spread groove, can conveniently ejecting the injection molding product.

Preferably, the lifting plate is close to one side of the movable module and is fixedly provided with a first toothed plate, a first gear is meshed with the outer side of the first toothed plate, a connecting shaft is fixedly arranged in the middle of the first gear, one end of the connecting shaft movably penetrates through the fixed module, one end of the connecting shaft, which is far away from the first gear, is fixedly provided with a second gear, the outer side of the second gear is meshed with a second toothed plate, one end of the second toothed plate is aligned with the movable module, the movable module drives the second toothed plate to move downwards, the second toothed plate drives the second gear to rotate, the second gear drives the connecting shaft to rotate, the connecting shaft drives the first gear to rotate, the first gear drives the second toothed plate to move, the top end of the ejector rod is flush with the inner wall of the forming cavity, so that the ejector rod can be conveniently retracted, and the second toothed plate is higher than the fixed module in length, so that the condition that the die cannot be closed can be avoided.

Preferably, the outside of cover half piece has seted up the spout of symmetric distribution, the inside slip card of spout is equipped with the slider, the outside fixed connection of one end and second pinion rack of slider, it is stable to remove in the spout through the slider can keep the second pinion rack to remove.

Preferably, a sealing gasket is fixedly arranged at the top end of the fixed die block, and the sealing gasket can pass through the sealing property between the fixed die block and the movable die block.

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

1. the connecting plate is driven to move upwards through spring force, the connecting plate drives the ejection rod to move upwards, so that the ejection rod ejects an injection molding product, and meanwhile, the connecting plate drives the lifting plate to reset, so that the condition that energy is consumed for demolding can be avoided, and the aim of facilitating demolding is fulfilled;

2. the second toothed plate drives the second gear to rotate, the second gear drives the connecting shaft to rotate, the connecting shaft drives the first gear to rotate, the first gear drives the second toothed plate to move, and the first toothed plate drives the lifting plate to move, so that the top end of the ejector rod is flush with the inner wall of the forming cavity, and the ejector rod can be conveniently contracted, and the aim of convenient operation is fulfilled.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic cross-sectional view of a module structure of the present utility model.

Fig. 3 is an enlarged view of the structure of fig. 2 a.

In the figure: 1. a fixed module; 2. a movable module; 3. a molding cavity; 4. a guide rod; 5. a cavity; 6. a lifting plate; 7. a connecting groove; 8. a connecting plate; 9. an ejector rod; 10. a first toothed plate; 11. a first gear; 12. a connecting shaft; 13. a second gear; 14. a second toothed plate; 15. a spring; 16. a chute; 17. a slide block; 18. and a sealing gasket.

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.

Embodiment one: as shown in fig. 1-3, the present utility model provides a technical solution: a combined injection mold comprises a fixed module 1 and a movable module 2, wherein the movable module 2 is positioned above the fixed module 1, a molding cavity 3 is clamped on one side of the fixed module 1, which is close to the movable module 2, a guide rod 4 distributed in a rectangular array is fixedly arranged on one side of the fixed module 1, which is close to the movable module 2, and one end of the guide rod 4 movably penetrates through the movable module 2; the cavity 5 of symmetric distribution has been seted up to the inside of deciding module 1, the inside slip card of cavity 5 is equipped with lifter plate 6, the spread groove 7 has been seted up between two cavities 5, the inside slip card of spread groove 7 is equipped with connecting plate 8, the both ends of connecting plate 8 respectively with lifter plate 6 fixed connection, the outside of connecting plate 8 is fixed and is equipped with ejector rod 9, the one end activity of ejector rod 9 runs through deciding module 1 and inserts and establish in shaping intracavity 3, connecting plate 8 drives ejector rod 9 upward movement, make ejector rod 9 ejecting the product of moulding plastics, connecting plate 8 drives lifter plate 6 simultaneously and resets, just so can avoid the drawing of patterns to need consume the condition of energy.

The lifting plate 6 is close to one side of the movable module 2 and is fixedly provided with a first toothed plate 10, a first gear 11 is meshed with the outer side of the first toothed plate 10, the middle part of the first gear 11 is fixedly provided with a connecting shaft 12, one end of the connecting shaft 12 movably penetrates through the fixed module 1, one end of the connecting shaft 12, which is far away from the first gear 11, is fixedly provided with a second gear 13, a second toothed plate 14 is meshed with the outer side of the second gear 13, and one end of the second toothed plate 14 is aligned with the movable module 2.

Through adopting above-mentioned technical scheme, movable module 2 drives second pinion rack 14 and moves downwards, and second pinion rack 14 drives second gear 13 and rotates, and second gear 13 drives connecting axle 12 and rotates, and connecting axle 12 drives first gear 11 and rotate, and first gear 11 drives second pinion rack 10 and removes, and first pinion rack 10 drives lifter plate 6 and remove for the top of ejector rod 9 flushes with the inner wall of shaping chamber 3, just so can conveniently shrink ejector rod 9.

Springs 15 distributed side by side are fixedly arranged in the connecting grooves 7, and one ends of the springs 15 are fixedly connected with one side of the connecting plate 8.

Through adopting above-mentioned technical scheme, spring 15 can drive connecting plate 8 through elasticity and reset, can conveniently make ejector rod 9 with the drawing of patterns of injection molding product like this.

The outside of the fixed module 1 is provided with symmetrically distributed sliding grooves 16, sliding blocks 17 are arranged in the sliding grooves 16 in a sliding manner, and one end of each sliding block 17 is fixedly connected with the outside of the second toothed plate 14.

By adopting the technical scheme, the second toothed plate 14 can be kept stable in movement by the sliding block 17 moving in the sliding groove 16.

The top end of the fixed module 1 is fixedly provided with a sealing gasket 18.

By adopting the above technical scheme, the sealing gasket 18 can pass through the tightness between the fixed module 1 and the movable module 2.

The length of the second toothed plate 14 higher than the fixed die block 1 is smaller than the height of the connecting groove 7.

By adopting the technical scheme, the situation that the die cannot be assembled can be avoided.

The length of the ejector rod 9 is greater than the height of the connecting groove 7.

By adopting the technical scheme, the injection molding product can be conveniently ejected out and demoulded.

Working principle: firstly, the movable module 2 is driven to move downwards through an external power device and to be clamped, meanwhile, the movable module 2 drives the second toothed plate 14 to move downwards, meanwhile, the second toothed plate 14 can be kept stable by moving in the sliding groove 16 through the sliding block 17, the second toothed plate 14 drives the second gear 13 to rotate, the second gear 13 drives the connecting shaft 12 to rotate, the connecting shaft 12 drives the first gear 11 to rotate, the first gear 11 drives the second toothed plate 10 to move, the first toothed plate 10 drives the lifting plate 6 to move, the lifting plate 6 drives the connecting plate 8 to move, the connecting plate 8 drives the ejector rod 9 to move, the top end of the ejector rod 9 is flush with the inner wall of the forming cavity 3, meanwhile, the connecting plate 8 compresses the spring 15, so that the spring 15 generates elasticity, and then the ejector rod 9 can be conveniently contracted, after injection molding, the movable module 2 is reset, meanwhile, the spring 15 drives the connecting plate 8 to move upwards through the elasticity, the connecting plate 8 drives the ejector rod 9 to move upwards, so that an injection molded product is ejected, and meanwhile, the connecting plate 8 drives the lifting plate 6 to reset, so that the condition that energy consumption is avoided, and the aim of convenience is achieved.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The utility model provides a combination formula injection mold, includes fixed module (1) and moves module (2), its characterized in that: the movable module (2) is positioned above the fixed module (1), a molding cavity (3) is clamped at one side of the fixed module (1) close to the movable module (2), guide rods (4) distributed in a rectangular array are fixedly arranged at one side of the fixed module (1) close to the movable module (2), and one end of each guide rod (4) movably penetrates through the movable module (2);

the inside of cover half module (1) has offered cavity (5) of symmetric distribution, the inside slip card of cavity (5) is equipped with lifter plate (6), two spread groove (7) have been seted up between cavity (5), the inside slip card of spread groove (7) is equipped with connecting plate (8), the both ends of connecting plate (8) respectively with lifter plate (6) fixed connection, the outside of connecting plate (8) is fixed and is equipped with ejector rod (9), the one end activity of ejector rod (9) runs through fixed module (1) and inserts and establish in shaping chamber (3).

2. A combined injection mould according to claim 1, characterized in that a first toothed plate (10) is fixedly arranged on one side of the lifting plate (6) close to the movable module (2), a first gear (11) is meshed on the outer side of the first toothed plate (10), a connecting shaft (12) is fixedly arranged in the middle of the first gear (11), one end of the connecting shaft (12) movably penetrates through the fixed module (1), a second gear (13) is fixedly arranged on one end of the connecting shaft (12) far away from the first gear (11), a second toothed plate (14) is meshed on the outer side of the second gear (13), and one end of the second toothed plate (14) is aligned with the movable module (2).

3. A combined injection mould according to claim 1, characterized in that springs (15) are fixedly arranged in the connecting groove (7) and are distributed side by side, and one end of each spring (15) is fixedly connected with one side of the connecting plate (8).

4. The combined injection mold according to claim 2, wherein symmetrically distributed sliding grooves (16) are formed in the outer side of the fixed mold block (1), sliding blocks (17) are arranged in the sliding grooves (16) in a sliding manner, and one end of each sliding block (17) is fixedly connected with the outer side of the second toothed plate (14).

5. A combined injection mould according to claim 1, characterized in that the top end of the fixed mould block (1) is fixedly provided with a sealing gasket (18).

6. A combined injection mould according to claim 2, characterized in that the length of the second toothed plate (14) above the fixed mould block (1) is smaller than the height of the connecting groove (7).

7. A combined injection mould according to claim 1, characterized in that the length of the ejector rod (9) is greater than the height of the connecting groove (7).