CN220429137U

CN220429137U - Plastic shell injection mold

Info

Publication number: CN220429137U
Application number: CN202322178724.2U
Authority: CN
Inventors: 谯正云
Original assignee: Dongguan Hejie Precision Mould Co ltd
Current assignee: Dongguan Hejie Precision Mould Co ltd
Priority date: 2023-08-14
Filing date: 2023-08-14
Publication date: 2024-02-02
Anticipated expiration: 2033-08-14

Abstract

The utility model discloses a plastic shell injection mold, which comprises a base, an injection pipe, a pushing component, an extrusion component, an upper ejection component and a lower ejection component, wherein the injection pipe is arranged on the base; the injection molding pipe is located at two sides of the base, the pushing component is located at one side of the base, the extrusion component is located at the top end of the base, the upper ejection component is located at the top end of the extrusion component, and the lower ejection component is located at the inner side of the base. Compared with the prior art, the utility model has the advantages that: the utility model can prevent the top of the injection mold from adhering to the plastic shell, and can push the molded plastic shell to take the part without contact.

Description

Plastic shell injection mold

Technical Field

The utility model belongs to the technical field of injection molds, and particularly relates to an injection mold for a plastic shell.

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. A processing method used when plastic parts are produced in batches and have complex shapes. And injecting the heated and melted plastic into a die cavity by an injection molding machine under high pressure, and cooling and solidifying to finally obtain a formed product. When the existing injection mold is used for manufacturing a shell type plastic workpiece with a thinner structural body section, the workpiece is closely attached to the mold after being subjected to thermoforming, and the external traction force is inconvenient to be applied to a certain point on the workpiece for demolding, so that the shell with the thinner structural body is easy to deform or crack by adopting a forced traction mode, and the ejection type shell injection mold is required to be designed, and the plastic shell is protected from being damaged by adopting a mode of uniformly applying an acting force on a plane.

The utility model provides a among the prior art patent number CN218535460U discloses a plastic shell injection mold, relate to injection mold technical field, including the die holder, the top of die holder is connected with the upper die base, the spacing post is all installed in the bottom four corners of upper die base, the outside cover of spacing post is equipped with first spring, the mould is installed to the bottom of upper die base, first injection groove has been seted up to the bottom of upper die, the standing groove has been seted up on the top of die holder, the inboard of standing groove is connected with the bed die, the second injection groove has been seted up on the top of bed die, the spout has all been seted up to the both sides of die holder, the inboard sliding connection of spout has the depression bar, the one end of depression bar is connected with first movable seat, the bottom both sides of bed die all are connected with the second movable seat, the outside rotation of second movable seat is connected with the connecting rod, the one end and the first movable seat of connecting rod rotate and connect. The utility model can effectively realize the lifting of the die, is convenient for a user to take the formed workpiece, and has higher practical value.

However, the prior art patents suffer from several drawbacks:

(1) The plastic shell injection mold is not provided with the upper ejection assembly, after injection molding is performed on the mold groove, the plastic is molded through extrusion of the upper mold plate, the lower ejection assembly is required to be arranged for preventing the plastic from adhering to the mold groove, however, sometimes the molded plastic shell is adhered to the mold plate which moves up and down, and the upper ejection assembly is not arranged, so that the plastic shell is required to be cleaned and recycled manually, and the plastic shell is inconvenient.

(2) The plastic shell injection mold is not provided with the pushing component, and the plastic shell can be conveniently taken out and molded through the plastic component which can be lifted and molded, but the plastic shell which is just injection molded has higher temperature, and the plastic shell can be scalded when being directly contacted by a person.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the technical defect, and provide the plastic shell injection mold which can prevent the top of the injection mold from adhering to the plastic shell and can push the molded plastic shell to take the part in a non-contact manner.

In order to solve the problems, the technical scheme of the utility model is as follows: an injection mold for a plastic shell comprises a base, an injection pipe, a pushing component, an extrusion component, an upper ejection component and a lower ejection component; the injection molding pipe is located at two sides of the base, the pushing component is located at one side of the base, the extrusion component is located at the top end of the base, the upper ejection component is located at the top end of the extrusion component, and the lower ejection component is located at the inner side of the base.

Further, the top of base is equipped with the slide rail, the inboard of slide rail is equipped with the push pedal, the bottom both sides of push pedal are equipped with the slider, slider and slide rail sliding connection, one side of push pedal is equipped with spring one, the other end and the base fixed connection of spring one.

Further, the top of base is equipped with the traveller one, one side of traveller one is equipped with the tooth's socket, the top of traveller one is equipped with the fixed plate, the outside of traveller one is equipped with lifter plate one, lifter plate one and a sliding connection of traveller, the top of lifter plate one is equipped with motor one, the both sides of motor one are equipped with the rotation axis, the outside of rotation axis is equipped with the gear, gear and tooth's socket meshing, the top of lifter plate one is equipped with the mounting, rotation axis and mounting swivelling joint, the bottom of fixed plate is equipped with the fixed column, the bottom of lifter plate one is equipped with the mould board.

Further, the inboard of lifter plate one is equipped with connecting plate one, connecting plate one and lifter plate one sliding connection, the bottom of connecting plate one is equipped with ejection ring, the top of connecting plate one is equipped with the stripper plate, the top of lifter plate one is equipped with the traveller two, stripper plate and traveller two sliding connection, the outside of traveller two is equipped with the spring two.

Further, the top of base is equipped with the mould groove, the inboard of base is equipped with motor two, motor two's top is equipped with the screw thread axle, screw thread axle and base swivelling joint, the outside of screw thread axle is equipped with lifter plate two, lifter plate two and screw thread axle threaded connection, lifter plate two and base sliding connection, lifter plate two's top both sides are equipped with connecting plate two, connecting plate two and base sliding connection, the top of connecting plate two is equipped with down ejecting ring, one side of base is equipped with the slide.

Compared with the prior art, the utility model has the advantages that:

(1) The upper ejection assembly is arranged on the plastic shell injection mold, the mold plate moves upwards after injection molding is completed, and the upper ejection assembly ejects the plastic shell adhered to the mold plate to prevent the plastic shell from adhering.

(2) According to the plastic shell injection mold, the pushing component is arranged, after injection molding is finished and the plastic shell is ejected out, the plastic shell can be pushed out to take the part through the pushing component without contacting with the high-temperature plastic shell, so that the plastic shell injection mold is safer and more efficient.

Drawings

FIG. 1 is a block diagram of an injection mold for plastic housings according to the present utility model.

FIG. 2 is a diagram showing a second construction of an injection mold for plastic housings according to the present utility model.

FIG. 3 is a diagram of a plastic housing injection mold according to the present utility model.

Fig. 4 is a structural diagram of an injection mold for plastic shells according to the present utility model.

Fig. 5 is an enlarged view of a in a fourth construction diagram of a plastic housing injection mold according to the present utility model.

Fig. 6 is a diagram showing a structure of an injection mold for a plastic housing according to the present utility model.

As shown in the figure: 1. a base; 2. injection molding a tube; 3. a pushing assembly; 4. an extrusion assembly; 5. an upper ejection assembly; 6. a lower ejection assembly; 7. a slide rail; 8. a push plate; 9. a slide block; 10. a first spring; 11. a first sliding column; 12. tooth slots; 13. a fixing plate; 14. lifting plate I; 15. a first motor; 16. a rotation shaft; 17. a gear; 18. a fixing member; 19. fixing the column; 20. a mold plate; 21. a first connecting plate; 22. an upper ejection ring; 23. an extrusion plate; 24. a second sliding column; 25. a second spring; 26. a mold groove; 27. a second motor; 28. a threaded shaft; 29. a lifting plate II; 30. a second connecting plate; 31. a lower ejection ring; 32. and a slideway.

Detailed Description

Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.

It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

In order to make the contents of the present utility model more clearly understood, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1 to 6, an injection mold for a plastic housing comprises a base 1, an injection pipe 2, a pushing component 3, an extrusion component 4, an upper ejection component 5 and a lower ejection component 6; the injection molding pipe 2 is located the both sides of base 1, and push assembly 3 is located one side of base 1, and extrusion assembly 4 is located the top of base 1, goes up ejecting assembly 5 and is located the top of extrusion assembly 4, and lower ejecting assembly 6 is located the inboard of base 1.

The top of base 1 has slide rail 7, and the inboard of slide rail 7 has push pedal 8, and there is slider 9 in the bottom both sides of push pedal 8, slider 9 and slide rail 7 sliding connection, and there is spring one 10 one side of push pedal 8, and the other end and the base 1 fixed connection of spring one 10.

The top of the base 1 is provided with a first slide column 11, one side of the first slide column 11 is provided with a tooth slot 12, the top of the first slide column 11 is provided with a fixed plate 13, the outer side of the first slide column 11 is provided with a first lifting plate 14, the first lifting plate 14 is in sliding connection with the first slide column 11, the top of the first lifting plate 14 is provided with a first motor 15, two sides of the first motor 15 are provided with rotating shafts 16, the outer sides of the rotating shafts 16 are provided with gears 17, the gears 17 are meshed with the tooth slots 12, the top of the first lifting plate 14 is provided with a fixed piece 18, the rotating shafts 16 are in rotary connection with the fixed piece 18, the bottom end of the fixed plate 13 is provided with a fixed column 19, and the bottom end of the first lifting plate 14 is provided with a die plate 20.

The inner side of the lifting plate I14 is provided with a connecting plate I21, the connecting plate I21 is in sliding connection with the lifting plate I14, the bottom end of the connecting plate I21 is provided with an upper ejection ring 22, the top end of the connecting plate I21 is provided with a squeezing plate 23, the top end of the lifting plate I14 is provided with a sliding column II 24, the squeezing plate 23 is in sliding connection with the sliding column II 24, and the outer side of the sliding column II 24 is provided with a spring II 25.

The top of base 1 has mould groove 26, and there is motor two 27 the inboard of base 1, and there is screw thread axle 28 on the top of motor two 27, screw thread axle 28 and base 1 swivelling joint, and there is lifter plate two 29 the outside of screw thread axle 28, lifter plate two 29 and screw thread axle 28 threaded connection, lifter plate two 29 and base 1 sliding connection, and lifter plate two 29's top both sides have connecting plate two 30, connecting plate two 30 and base 1 sliding connection, and there is ejection ring 31 down on the top of connecting plate two 30, and one side of base 1 has slide 32.

In a specific use, high-temperature plastic is injected into the mold groove 26 through the injection molding pipe 2, the first motor 15 is started to enable the gear 17 to rotate, the first lifting plate 14 is enabled to descend, the mold plate 20 is enabled to downwards extrude the mold groove 26, the first motor 15 is reversely started to enable the first lifting plate 14 to ascend after the plastic shell is molded, meanwhile, the second motor 27 is started to enable the threaded shaft 28 to rotate, the second lifting plate 29 is driven to ascend, the lower ejection ring 31 ejects the plastic shell in the mold groove 26, if the plastic shell is adhered to the bottom end of the mold plate 20, the first lifting plate 14 is continuously ascended, the fixed column 19 extrudes the extrusion plate 23, the extrusion plate 23 descends along the second sliding column 24, the upper ejection ring 22 ejects the plastic shell adhered to the bottom end of the mold plate 20, the plastic shell falls to the top end of the base 1, the push plate 8 is pushed to slide in the sliding rail 7, and the plastic shell is pushed to fall into the recovery box through the sliding rail 32.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. The utility model provides a plastic shell injection mold which characterized in that: comprises a base (1), an injection molding pipe (2), a pushing component (3), an extrusion component (4), an upper ejection component (5) and a lower ejection component (6);

injection molding pipe (2) are located the both sides of base (1), push subassembly (3) are located one side of base (1), extrusion subassembly (4) are located the top of base (1), go up ejecting subassembly (5) and be located the top of extrusion subassembly (4), lower ejecting subassembly (6) are located the inboard of base (1).

2. The plastic housing injection mold of claim 1, wherein: the novel multifunctional portable device is characterized in that a sliding rail (7) is arranged at the top end of the base (1), a pushing plate (8) is arranged on the inner side of the sliding rail (7), sliding blocks (9) are arranged on two sides of the bottom end of the pushing plate (8), the sliding blocks (9) are in sliding connection with the sliding rail (7), a first spring (10) is arranged on one side of the pushing plate (8), and the other end of the first spring (10) is fixedly connected with the base (1).

3. The plastic housing injection mold of claim 1, wherein: the novel lifting device is characterized in that a first sliding column (11) is arranged at the top end of the base (1), a tooth slot (12) is formed in one side of the first sliding column (11), a fixing plate (13) is arranged at the top end of the first sliding column (11), a first lifting plate (14) is arranged at the outer side of the first sliding column (11), the first lifting plate (14) is slidably connected with the first sliding column (11), a first motor (15) is arranged at the top end of the first lifting plate (14), rotating shafts (16) are arranged on two sides of the first motor (15), gears (17) are arranged at the outer sides of the rotating shafts (16), the gears (17) are meshed with the tooth slot (12), a fixing piece (18) is arranged at the top end of the first lifting plate (14), the rotating shafts (16) are rotatably connected with the fixing piece (18), a fixing column (19) is arranged at the bottom end of the fixing plate (13), and a die plate (20) is arranged at the bottom end of the first lifting plate (14).

4. A plastic housing injection mold according to claim 3, wherein: the inner side of lifting plate one (14) is equipped with connecting plate one (21), connecting plate one (21) and lifting plate one (14) sliding connection, the bottom of connecting plate one (21) is equipped with ejection ring (22), the top of connecting plate one (21) is equipped with stripper plate (23), the top of lifting plate one (14) is equipped with traveller two (24), stripper plate (23) and traveller two (24) sliding connection, the outside of traveller two (24) is equipped with spring two (25).

5. The plastic housing injection mold of claim 1, wherein: the top of base (1) is equipped with mould groove (26), the inboard of base (1) is equipped with motor two (27), the top of motor two (27) is equipped with screw thread axle (28), screw thread axle (28) and base (1) swivelling joint, the outside of screw thread axle (28) is equipped with lifter plate two (29), lifter plate two (29) and screw thread axle (28) threaded connection, lifter plate two (29) and base (1) sliding connection, the top both sides of lifter plate two (29) are equipped with connecting plate two (30), connecting plate two (30) and base (1) sliding connection, the top of connecting plate two (30) is equipped with ejection ring (31) down, one side of base (1) is equipped with slide (32).