CN219236058U

CN219236058U - Double-colored plastic mould with cooling structure

Info

Publication number: CN219236058U
Application number: CN202223467565.XU
Authority: CN
Inventors: 陈永平; 陈永清; 彭春飞
Original assignee: Dongguan Zhibao Industry Co ltd
Current assignee: Dongguan Zhibao Industry Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-23
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to the technical field of double-color plastic molds, in particular to a double-color plastic mold with a cooling structure, which comprises a molding mold plate, wherein a water-passing cooling groove for water-passing cooling operation is formed in the front side surface of the molding mold plate, water-passing pipes are fixedly arranged on groove walls at two ends of the water-passing cooling groove, a rectangular annular sealing clamping groove is formed in the front side surface of the molding mold plate, a rear cleaning end cover is detachably arranged on the front side surface of the molding mold plate, the rear cleaning end cover is used for performing plugging and leakage-preventing operation on the front end part of the water-passing cooling groove, a sealing clamping ring is arranged on the side surface of the rear cleaning end cover, opposite to the sealing clamping groove, and clamping fit between the sealing clamping ring and the sealing clamping groove is used for improving sealing performance. The utility model has the advantages that the cooling structure is arranged, the cooling operation can be carried out, the water scale can be conveniently removed for cleaning, and the convenience is brought to users.

Description

Double-colored plastic mould with cooling structure

Technical Field

The utility model relates to the technical field of double-color plastic molds, in particular to a double-color plastic mold with a cooling structure.

Background

The double-color plastic mold refers to a mold which is formed by two times of injection molding of two plastic materials on the same injection molding machine and is only taken out once, the double-color plastic mold can integrally form the same product with two different colors, and a channel for cooling water to flow in is generally arranged in the double-color plastic mold.

The utility model patent with the publication number of CN115339061A discloses a plastic mold with a cooling mechanism, which comprises a fixing frame, wherein the top surface of the lower end of the fixing frame is fixedly provided with a lower mold seat in a connecting way, and the upper side of the fixing frame is provided with an upper mold seat in a sliding fit way; the water injection cooling mechanism is fixedly connected to the outer wall of one side of the lower die holder; the driving mechanism is rotationally connected and arranged in one end of the water injection cooling mechanism, which is close to the lower die holder; the inside of the lower die holder and the inside of the upper die holder are fixedly provided with a plurality of heat conducting rods; the lower die holder and the upper die holder are both provided with a movable frame in sliding fit, and a plurality of scale cleaning mechanisms are arranged on the movable frame. The scale possibly remained in the cooling cavity can be cleaned by the movement of the movable frame, and on the other hand, cold water in the cooling cavity can flow, so that heat exchange of the cold water is accelerated.

Although the technical scheme has the advantages of improving the heat exchange efficiency; the stirring of cold water slows down the generation of scale, but when the technical scheme is specifically used, although the generation of scale can be slowed down, scale cannot be generated, after long-time use, the scale can be accumulated in the corresponding runner, and the general die plate body is basically of an integrated structure, so that the runner is covered inside, the scale at the part of the runner cannot be cleaned, the scale is increased, a large amount of scale is accumulated and attached to the inner wall of the runner, the heat exchange of cooling water in the runner and molten liquid in the die can be influenced, the cooling water with the same temperature is not enabled to achieve a good cooling effect, and inconvenience is brought to a user. In view of this, we propose a two-color plastic mold with a cooling structure.

Disclosure of Invention

The present utility model is directed to a dual-color plastic mold with a cooling structure, which solves the above-mentioned drawbacks of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a double-colored plastic mould with cooling structure, includes the forming die board, be provided with the logical water cooling tank that is used for leading to water to cool off the operation on the leading flank of forming die board, all fixed mounting has the water pipe on leading to the water cooling tank's both ends portion cell wall, be provided with the annular sealed draw-in groove of rectangle on the leading flank of forming die board, demountable installation has the rear side clearance end cover on the leading flank of forming die board, the rear side clearance end cover is used for carrying out shutoff leak protection operation to the leading to the front end portion of water cooling tank, just right on the side of rear side clearance end cover sealing the position department of clamping groove is provided with sealed snap ring, sealed snap ring with joint cooperation is used for improving the leakproofness between the sealed draw-in groove.

Preferably, the water cooling groove is in a curved snake shape and is used for increasing the contact area between the cooling water and the forming die plate.

Preferably, the bottom end fixed mounting of water pipe has the reducing pipe, the bottom fixed mounting of reducing pipe has the screwed pipe, the screwed pipe is used for with external water conveying pipeline threaded connection.

Preferably, one of the water through pipes is used for water inflow, and the other water through pipe is used for water outflow, so that water can enter from one side and flow out from the other side.

Preferably, the side of forming die board is last fixed mounting has the dismouting fixed plate, fixed mounting has foraminiferous bolt fixed plate on the side of rear side clearance end cover, the dismouting fixed plate with through a plurality of fastening bolt fixed connection between the foraminiferous bolt fixed plate, conveniently carry out the fixed mounting operation to forming die board and rear side clearance end cover.

Preferably, the surface of rear side clearance end cover is provided with mirror surface laminating layer, mirror surface laminating layer laminating is in be used for improving the leakproofness to leading to the water cooling tank on the side of forming die board.

Preferably, the surface of the sealing clamping ring is provided with a sealing clamping strip, and the sealing clamping strip is tightly pressed on the groove wall of the sealing clamping groove for improving the sealing performance and avoiding leakage.

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

1. according to the utility model, through the water cooling groove, the water pipe, the reducer pipe and the threaded pipe, water can be led into the forming die plate for cooling operation, in addition, as the rear side cleaning end cover is detachably connected with the forming die plate, after more scale is accumulated in the water cooling groove, the rear side cleaning end cover can be detached, at the moment, the water cooling groove is exposed outside, the cleaning operation of the scale in the water cooling groove is convenient, the effect of conveniently cleaning and keeping a good heat exchange rate can be continuously kept, the problem that the scale is not generated in the conventional double-color plastic die with a cooling structure when the conventional double-color plastic die is particularly used is solved, the scale is not generated, after the conventional double-color plastic die with the cooling structure is used for a long time, the scale is always accumulated in the corresponding runner, the general die plate body is basically of an integral forming structure, so that the scale at the runner part cannot be cleaned, more and more scale can be formed, the scale is accumulated and attached on the inner wall of the runner, the heat exchange of the cooling water in the runner and the molten liquid in the die can be influenced, the cooling effect of the same temperature is not good, and the problem of cooling effect of the cooling water in the runner is not brought to the user.

2. According to the utility model, the sealing effect between the forming die plate and the rear cleaning end cover can be improved through the sealing clamping groove, the sealing clamping ring and the sealing clamping strip, so that the leakage is not easy to occur, and the use is convenient.

Drawings

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

FIG. 2 is a schematic view of a portion of the structure of the present utility model;

FIG. 3 is a second schematic diagram of a portion of the structure of the present utility model;

fig. 4 is an enlarged view of the utility model at a in fig. 3.

The meaning of each reference numeral in the figures is:

1. forming a die plate; 10. a water cooling tank is communicated; 11. a water pipe; 12. a reducer pipe; 13. a threaded tube; 14. sealing the clamping groove; 15. disassembling and assembling the fixing plate;

2. cleaning the end cover at the rear side; 20. a mirror surface lamination layer; 21. a bolt fixing plate with holes; 22. a sealing clasp; 23. sealing the clamping strip.

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. 1-4, the present utility model provides a technical solution: the utility model provides a double-colored plastic mould with cooling structure, including forming die board 1, be provided with the logical water cooling tank 10 that is used for leading to water to cool off the operation on forming die board 1's the leading to water cooling tank 10 be linked together with the external world, all fixed mounting has logical water pipe 11 on the both ends cell wall of logical water cooling tank 10, be provided with on forming die board 1's the leading flank and be the annular sealed draw-in groove 14 of rectangle, demountable installation has rear side clearance end cover 2 on forming die board 1's the leading flank, rear side clearance end cover 2 is used for carrying out shutoff leak protection operation to leading to the front end of water cooling tank 10, the position department that just faces sealed draw-in groove 14 on the side of rear side clearance end cover 2 is provided with sealed snap ring 22, the joint cooperation is used for improving the leakproofness between sealed snap ring 22 and the sealed draw-in groove 14, guarantee to pass through behind the water cooling tank 10 appearance a large amount of scale, can dismantle rear side clearance end cover 2, clear up the operation to the scale in the logical water cooling tank 10 again, the condition that the heat exchange rate is influenced by the accumulation can not appear.

In this embodiment, the water cooling trough 10 is in a shape of a curved snake, which is used to increase the contact area between the cooling water and the molding die plate 1 and improve the cooling effect on the plastic parts.

Specifically, the bottom end of the water pipe 11 is fixedly provided with a reducer pipe 12, the bottom end of the reducer pipe 12 is fixedly provided with a threaded pipe 13, and the threaded pipe 13 is in threaded connection with an external water conveying pipeline; one water pipe 11 is used for water inflow, and the other water pipe 11 is used for water outflow, so that water can enter from one side and flow out from the other side.

Further, the side of the forming die plate 1 is fixedly provided with a disassembly and assembly fixing plate 15, the side of the rear cleaning end cover 2 is fixedly provided with a perforated bolt fixing plate 21, the disassembly and assembly fixing plate 15 is fixedly connected with the perforated bolt fixing plate 21 through a plurality of fastening bolts, and the forming die plate 1 and the rear cleaning end cover 2 are convenient to fixedly install.

In addition, the surface of rear side clearance end cover 2 is provided with mirror surface laminating layer 20, and mirror surface laminating layer 20 is made through mirror surface polishing, makes the surface on mirror surface laminating layer 20 more level and smooth, and mirror surface laminating layer 20 laminating is used for improving the leakproofness to leading to water cooling tank 10 on the side of forming die board 1.

It should be noted that, the surface of the sealing snap ring 22 is provided with a sealing clamping strip 23, and the sealing clamping strip 23 is pressed on the groove wall of the sealing clamping groove 14 for improving the sealing performance and avoiding leakage.

When the double-color plastic mold with the cooling structure is used, one of the threaded pipes 13 is communicated with an external cold water inlet pipeline, the other threaded pipe 13 is communicated with an external water recovery pipeline, water can enter the water cooling groove 10 along with the water entering along one of the threaded pipes 13 and exchange heat with a plastic part in the molding mold plate 1, and the water after heat exchange can be discharged outwards along the other threaded pipe 13 to finish cooling operation;

after a large amount of scale is piled up in the water cooling tank 10, the bolt fixing plate 21 with holes can be detached from the disassembling and assembling fixing plate 15, and then the rear cleaning end cover 2 is taken down, at this time, the water cooling tank 10 is exposed, the scale in the water cooling tank 10 can be cleaned, after the cleaning is finished, the sealing clamping ring 22 is clamped into the sealing clamping groove 14, and the disassembling and assembling fixing plate 15 and the bolt fixing plate 21 with holes are fixed by using fastening bolts, so that the fixed mounting operation is completed.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Double-colored plastic mould with cooling structure, including shaping mould board (1), its characterized in that: the novel water cooling device is characterized in that a water cooling groove (10) for cooling operation by water is formed in the front side face of the forming die plate (1), water pipes (11) are fixedly arranged on groove walls at two ends of the water cooling groove (10), a rectangular annular sealing clamping groove (14) is formed in the front side face of the forming die plate (1), a rear cleaning end cover (2) is detachably arranged on the front side face of the forming die plate (1), the rear cleaning end cover (2) is used for blocking and preventing leakage operation on the front end portion of the water cooling groove (10), a sealing clamping ring (22) is arranged on the side face of the rear cleaning end cover (2) and opposite to the sealing clamping groove (14), and clamping fit between the sealing clamping ring (22) and the sealing clamping groove (14) is used for improving sealing performance.

2. The dual-color plastic mold with cooling structure according to claim 1, wherein: the water cooling groove (10) is in a bent snake shape and is used for increasing the contact area between cooling water and the forming die plate (1).

3. The dual-color plastic mold with cooling structure according to claim 1, wherein: the bottom end fixed mounting of water pipe (11) has reducing pipe (12), the bottom fixed mounting of reducing pipe (12) has screwed pipe (13), screwed pipe (13) are used for with external water conveying pipeline threaded connection.

4. The dual-color plastic mold with cooling structure according to claim 1, wherein: one of the water through pipes (11) is used for water inflow, and the other water through pipe (11) is used for water outflow.

5. The dual-color plastic mold with cooling structure according to claim 1, wherein: the side of forming die board (1) is gone up fixed mounting and is had dismouting fixed plate (15), fixed mounting has foraminiferous bolt fixed plate (21) on the side of rear side clearance end cover (2), dismouting fixed plate (15) with pass through a plurality of fastening bolt fixed connection between foraminiferous bolt fixed plate (21).

6. The dual-color plastic mold with cooling structure according to claim 5, wherein: the surface of rear side clearance end cover (2) is provided with mirror surface laminating layer (20), mirror surface laminating layer (20) laminating is in be used for improving the leakproofness to leading to water cooling tank (10) on the side of forming die board (1).

7. The dual-color plastic mold with cooling structure according to claim 1, wherein: the surface of sealing snap ring (22) is provided with sealed card strip (23), sealed card strip (23) compress tightly on the cell wall of sealed draw-in groove (14) for improve the leakproofness, avoid leaking.