CN217258023U

CN217258023U - Injection mold for producing refrigerator door handle

Info

Publication number: CN217258023U
Application number: CN202220754944.8U
Authority: CN
Inventors: 陈龙桂; 沈瑞
Original assignee: Qingdao Hengchuang Molding Co ltd
Current assignee: Qingdao Hengchuang Molding Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-08-23
Anticipated expiration: 2032-04-02

Abstract

The utility model belongs to the technical field of injection mold, and discloses an injection mold for producing refrigerator door handle, which comprises a top plate, wherein a column is fixed below the top plate, one end of the column is connected with a fixed template, a mold cavity and a groove are arranged on the fixed template, a cylinder is arranged inside the groove, a movable plate is connected below the top plate, a connecting rod is connected below the movable plate, one end of the connecting rod is connected with a movable template, one side of the fixed template is provided with a support plate, an electric cylinder is arranged above the support plate, the output end of the electric cylinder is connected with a push plate, the movable template of the utility model is matched with the fixed template under the action of the movable plate and the connecting rod, a cooled injection molding piece is separated from the mold cavity along with a top plate under the action of the cylinder, the injection molding piece is pushed away from the original position by the push plate, and slides down along a slide carriage, and the structure can realize the stable sliding of the injection molding piece, avoid it to bump with ground or storage device to guarantee that the injection molding is not destroyed.

Description

Injection mold for producing refrigerator door handle

Technical Field

The utility model belongs to the technical field of injection mold, concretely relates to injection mold for producing refrigerator door handle.

Background

The refrigerator is one of the most common furniture in people's daily life, and its door handle is the part that people contacted with it the number of times is the most, and at present stage to refrigerator door handle usually can use injection mold to produce, and injection mold is the instrument of a production plastic goods, also is the instrument of giving the complete structure of plastic goods and accurate size, specifically indicates that the plastics that will be heated and melted are injected into the die cavity by injection molding machine high pressure, through cooling solidification, obtain the shaping article.

But the injection mold who is used for producing refrigerator door handle on the existing market pushes away the injection molding after the completion of moulding plastics, and this just leads to the injection molding can appear bumping with ground or storage device, leads to the injection molding to appear damaging, and current injection mold's cooling often goes on through the refrigerant pipeline moreover, and cooling efficiency is not high, and cooling speed is slow to the shaping efficiency of the piece is moulded in the influence.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold for producing refrigerator door handle to current mould that proposes in solving above-mentioned background art bumps when can leading to the injection molding drawing of patterns and the slower problem of cooling rate.

In order to achieve the above purpose, the utility model provides a following technical scheme: the injection mold for producing the refrigerator door handle comprises a top plate, wherein an upright post is fixed below the top plate, a fixed mold plate is fixedly connected to one end of the upright post, a mold cavity and a groove are formed in the fixed mold plate, an air cylinder is arranged inside the groove, the output end of the air cylinder is connected with a top plate, a movable plate is connected below the top plate, a connecting rod is fixedly connected below the movable plate, a movable mold plate is fixedly connected to one end of the connecting rod, an extension plate is arranged on one side of the fixed mold plate, a slide carriage is arranged on the other side of the fixed mold plate, an electric cylinder is arranged above the extension plate, and the output end of the electric cylinder is connected with a push plate.

Preferably, the below fixedly connected with of movable plate is cold to be covered, one side of cold cover is provided with the inlet tube, the annular has been seted up corresponding to the position of cold cover on the fixed die plate, and the below of fixed die plate is provided with the outlet pipe, the cooling water course has been seted up to the inside of movable die plate, the seal groove has been seted up to the bottom plate of annular.

Preferably, the connecting rod is connected with a sliding plate in a sliding manner, a thimble is fixedly connected to the lower portion of the sliding plate, the thimble penetrates through the movable template, and a spring is arranged on the thimble.

Preferably, a positioning pin is fixedly connected to the lower portion of the movable template, and a positioning hole is formed in the position, corresponding to the positioning pin, of the fixed template.

Preferably, a runner pipe is arranged below the fixed die plate, and a heating sleeve is arranged outside the runner pipe.

Preferably, a rib plate is arranged between the fixed template and the support plate.

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

(1) the utility model discloses a movable mould board under the effect of movable plate and connecting rod, with the fixed die plate compound die, the molten sizing material gets into the die cavity after-cooling, and the injection molding after the cooling breaks away from the die cavity along with the top piece under the effect of cylinder, and the electric jar on the extension board works this moment, pushes away the injection molding from the normal position through the push pedal, makes it along the carriage apron landing, and the steady landing of injection molding can be realized to this structure, avoids its and ground or storage device to bump to guarantee that the injection molding is not destroyed.

(2) The utility model discloses a cold cover is along with the removal of movable plate and enter into the annular in, when the completion back of moulding plastics, injects the coolant liquid in to cold cover through the inlet tube, makes the coolant liquid overflow the movable mould board, realizes the immersion cooling, with cooling water course mating reaction to improve refrigerated efficiency, the coolant liquid passes through the outlet pipe discharge afterwards, and this structure can improve the cooling efficiency of mould, thereby improves the shaping efficiency of injection molding.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the movable mold plate of the present invention;

fig. 3 is a right side view of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

in the figure: 1. a top plate; 2. a column; 3. fixing a template; 4. a movable plate; 5. a connecting rod; 6. moving the template; 7. a mold cavity; 8. a groove; 9. a cylinder; 10. a topsheet; 11. positioning holes; 12. positioning pins; 13. a support plate; 14. an electric cylinder; 15. pushing the plate; 16. a cooling water channel; 17. a cold shield; 18. a water inlet pipe; 19. a ring groove; 20. a water outlet pipe; 21. a slide plate; 22. a thimble; 23. a spring; 24. a runner pipe; 25. heating a jacket; 26. a sealing groove; 27. a rib plate; 28. a slide carriage.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: an injection mold for producing a refrigerator door handle comprises a top plate 1, an upright column 2 is fixed below the top plate 1, one end of the upright column 2 is fixedly connected with a fixed mold plate 3, the fixed mold plate 3 is provided with a mold cavity 7 and a groove 8, an air cylinder 9 is arranged inside the groove 8, the output end of the air cylinder 9 is connected with a top plate 10, a movable plate 4 is connected below the top plate 1, a connecting rod 5 is fixedly connected below the movable plate 4, one end of the connecting rod 5 is fixedly connected with a movable mold plate 6, one side of the fixed mold plate 3 is provided with a support plate 13, the other side of the fixed mold plate is provided with a slide carriage 28, an electric cylinder 14 is arranged above the support plate 13, the output end of the electric cylinder 14 is connected with a push plate 15, the movable mold plate 6 is matched with the fixed mold plate 3 under the action of the movable plate 4 and the connecting rod 5, a cooled injection molding part is separated from the mold cavity 7 along with the top plate 10 under the action of the air cylinder 9, and the electric cylinder 14 on the support plate 13 works, the injection-molded part is pushed out of the way by the push plate 15 and slides down the slide carriage 28.

Further, the cold cover 17 of the below fixedly connected with of movable plate 4, one side of cold cover 17 is provided with inlet tube 18, annular 19 has been seted up corresponding to the position of cold cover 17 on the fixed die plate 3, and the below of fixed die plate 3 is provided with outlet pipe 20, cooling water course 16 has been seted up to the inside of movable die plate 6, seal groove 26 has been seted up to the bottom plate of annular 19, cold cover 17 enters into annular 19 along with the removal of movable plate 4 in, pour into the coolant liquid into in to cold cover 17 through inlet tube 18, make the coolant liquid spill movable die plate 6, realize immersion cooling, with cooling water course 16 mating reaction, in order to improve refrigerated efficiency, the coolant liquid discharges through outlet pipe 20 afterwards, seal groove 26 can guarantee that the coolant liquid can not reveal.

Further, a sliding plate 21 is slidably connected to the connecting rod 5, an ejector pin 22 is fixedly connected to the lower portion of the sliding plate 21, the ejector pin 22 penetrates through the movable mold plate 6, a spring 23 is arranged on the ejector pin 22, and the ejector pin 22 slides along the connecting rod 5 along with the sliding plate 21, so that the injection molded part is ejected out of the movable mold plate 6 and then is reset under the action of the spring 23.

Further, the lower part of the movable mould plate 6 is fixedly connected with a positioning pin 12, a positioning hole 11 is formed in the position, corresponding to the positioning pin 12, of the fixed mould plate 3, and the positioning hole 11 interacts with the positioning pin 12, so that the precision between the movable mould plate 6 and the fixed mould plate 3 is more accurate, and a larger error is avoided in the injection molding process.

Further, a sprue pipe 24 is arranged below the fixed die plate 3, a heating jacket 25 is arranged outside the sprue pipe 24, and the heating jacket 25 can prevent the sizing material in the sprue pipe 24 from being cooled and solidified so as to prevent the sprue pipe 24 from being blocked.

Furthermore, a rib 27 is arranged between the fixed die plate 3 and the support plate 13, and the rib 27 can increase the supporting strength of the support plate 13 to the electric cylinder 14.

The utility model discloses a theory of operation and use flow: when the utility model is used, the movable mould plate 6 is matched with the fixed mould plate 3 under the action of the movable plate 4 and the connecting rod 5, after molten rubber material enters the mould cavity 7 through the runner pipe 24, the cold cover 17 enters the annular groove 19 along with the movement of the movable plate 4, the cooling liquid is injected into the cold cover 17 through the water inlet pipe 18, the cooling liquid overflows the movable mould plate 6 to realize immersion cooling and is matched with the cooling water channel 16 to improve the cooling efficiency, then the cooling liquid is discharged through the water outlet pipe 20, the cooled injection part is separated from the mould cavity 7 along with the top plate 10 under the action of the cylinder 9, the electric cylinder 14 on the support plate 13 works at the moment, the injection part is pushed away from the original position through the push plate 15 to slide along the slide carriage 28, the heating sleeve 25 can avoid the cooling rubber material in the runner pipe 24 from being solidified, so as to avoid the blockage of the runner pipe 24, the thimble 22 slides along with the slide plate 21 along with the connecting rod 5, thereby pushing out the injection part from the movable mould plate 6, and then, the movable die plate is reset under the action of the spring 23, the positioning hole 11 and the positioning pin 12 interact with each other, so that the precision between the movable die plate 6 and the fixed die plate 3 is more accurate, larger errors are avoided, the supporting strength of the support plate 13 to the electric cylinder 14 can be increased by the rib plate 27, and the sealing groove 26 can ensure that cooling liquid cannot leak.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold for producing refrigerator door handle which characterized in that: including roof (1), the below of roof (1) is fixed with stand (2), the one end fixedly connected with fixed die plate (3) of stand (2), die cavity (7) and recess (8) have been seted up on fixed die plate (3), the inside of recess (8) is provided with cylinder (9), the output of cylinder (9) is connected with top piece (10), the below of roof (1) is connected with movable plate (4), the below fixedly connected with connecting rod (5) of movable plate (4), the one end fixedly connected with movable die plate (6) of connecting rod (5), one side of fixed die plate (3) is provided with extension board (13), and the opposite side is provided with carriage apron (28), extension board (13) top is provided with electric jar (14), the output of electric jar (14) is connected with push pedal (15).

2. The injection mold for producing a door handle for a refrigerator according to claim 1, wherein: the utility model discloses a cooling water channel (16) has been seted up to the below fixedly connected with of movable plate (4) cold cover (17), one side of cold cover (17) is provided with inlet tube (18), annular (19) have been seted up corresponding to the position of cold cover (17) on fixed die plate (3), and the below of fixed die plate (3) is provided with outlet pipe (20), cooling water channel (16) have been seted up to the inside of movable die plate (6), seal groove (26) have been seted up to the bottom plate of annular (19).

3. An injection mold for producing a refrigerator door handle according to claim 2, characterized in that: sliding connection has slide (21) on connecting rod (5), the below fixedly connected with thimble (22) of slide (21), thimble (22) run through movable mould board (6), and be provided with spring (23) on thimble (22).

4. An injection mold for producing a refrigerator door handle according to claim 3, characterized in that: the lower part of the movable template (6) is fixedly connected with a positioning pin (12), and a positioning hole (11) is formed in the position, corresponding to the positioning pin (12), of the fixed template (3).

5. The injection mold for producing a door handle for a refrigerator according to claim 4, wherein: a pouring channel pipe (24) is arranged below the fixed die plate (3), and a heating sleeve (25) is arranged outside the pouring channel pipe (24).

6. An injection mold for producing a refrigerator door handle according to claim 5, characterized in that: and a ribbed plate (27) is arranged between the fixed template (3) and the support plate (13).