CN221212581U

CN221212581U - Injection mold convenient for demolding

Info

Publication number: CN221212581U
Application number: CN202322998614.0U
Authority: CN
Inventors: 邹国辉
Original assignee: Shenzhen Taide Mold Technology Co ltd
Current assignee: Shenzhen Taide Mold Technology Co ltd
Priority date: 2023-11-07
Filing date: 2023-11-07
Publication date: 2024-06-25
Anticipated expiration: 2033-11-07

Abstract

The utility model discloses an injection mold convenient to demold, which relates to the technical field of injection molds and comprises an upper mold, wherein a refrigerating cavity is formed in the upper mold, a plurality of semiconductor refrigerating sheets are arranged on the right side of the inner wall of the refrigerating cavity, a circulating cavity is formed on the right side of the inner wall of the refrigerating cavity, a spiral groove is formed above the right side of the inner wall of the circulating cavity, the right sides of the plurality of semiconductor refrigerating sheets are fixedly connected with a cold guide plate, and an electric pump cavity is formed below the right side of the inner wall of the circulating cavity.

Description

Injection mold convenient for demolding

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold convenient to demold.

Background

The injection mold is a device for producing plastic products by using an injection molding technology, and injection molding is a processing method used for mass production of parts with complex shapes, specifically, heated and melted plastic is injected into a mold cavity by an injection molding machine under high pressure, and after cooling and solidification, a formed product is obtained, and the injection mold is an important device for producing plastic products in life.

The applicant has disclosed "a household electrical appliance switch injection mold" through retrieving discovery chinese patent, its publication (bulletin) number is "CN207657094U", this patent is mainly through the upper mould of first lift cylinder control and lower mould carry out the compound die, carry out the injection molding through the mouth of moulding plastics, in the injection molding process, electric heating wire in the heating jacket can heat the molten plastics, prevent that molten plastics from taking place solidification in advance, lifter plate in the die cavity can go up and down through the second lift cylinder simultaneously, thereby change the space size in the die cavity, the household electrical appliance switch of convenient shaping not equidimension, after the injection molding is accomplished, can pour into cold water into the cooling chamber through inlet tube and outlet pipe, thereby carry out quick shaping, improve production efficiency, in addition, the bottom diameter of reference column and constant head die can make the accuracy between upper mould and the lower mould, the bottom diameter of reference column is greater than the bottom diameter of constant head die can guarantee that upper mould and lower mould keep sealed in the injection molding process, sealing washer and sealing washer's cooperation can further improve sealing performance, guarantee injection molding quality, but traditional injection mold need wait for the plastic product cooling before going on, the drawing of patterns, the time of patterns equipment drawing of patterns has been prolonged, the step of patterns has been increased, and if the equipment drawing of patterns has been greatly reduced, and if the equipment of patterns has been done, and the cooling is convenient, can also greatly reduce the quality if need of demoulding equipment is done.

Disclosure of utility model

The utility model aims to provide an injection mold convenient for demolding, which aims to solve the problems that the conventional injection mold provided in the background art needs to wait for cooling of plastic products before demolding, prolongs the demolding time of equipment, increases the demolding steps of the equipment, has a complex demolding mode, and can influence the quality of produced plastic products and greatly reduce the use effect of the equipment if the cooling is incomplete.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injection mold of convenient drawing of patterns, includes the last mould, the refrigeration chamber has been seted up to the inside of going up the mould, the right side of refrigeration intracavity wall is equipped with a plurality of semiconductor refrigeration piece, the circulation chamber has been seted up on the right side of refrigeration intracavity wall, the helicla flute has been seted up to the top on circulation intracavity wall right side, a plurality of the equal fixedly connected with cold guide plate in right side of semiconductor refrigeration piece, the charge pump chamber has been seted up to the below on circulation intracavity wall right side, the downside fixedly connected with suction pump of charge pump intracavity wall, the output of suction pump is equipped with first conveyer pipe, the input of suction pump is equipped with the second conveyer pipe, the inside of going up the mould is located the upside of charge pump intracavity wall and is provided with drive structure.

Preferably, the driving structure comprises a motor cavity which is arranged in the upper die and is positioned on the upper side of the inner wall of the electric pump, a gear cavity is arranged on the left side of the inner wall of the motor cavity, a motor is fixedly connected to the right side of the inner wall of the motor cavity, a first gear is fixedly connected to the output end of the motor, an inner gear is connected to the surface of the first gear in a meshed mode, a second gear is connected to the lower side of the inner wall of the inner gear in a meshed mode, and stirring structures are arranged on the inner walls of the first gear and the second gear.

Preferably, the stirring structure comprises a stirring column, the right side of the column wall of the stirring column is fixedly connected with the inner wall of the first gear or the inner wall of the second gear, and the left side of the column wall of the stirring column is fixedly connected with a plurality of stirring blades.

Preferably, the right sides of a plurality of cold guide plates all run through the right side of refrigeration intracavity wall and extend to the left side of circulation intracavity wall, the below on pump intracavity wall left side is run through to the one end of first conveyer pipe and is extended to the below on circulation intracavity wall right side, one end of second conveyer pipe runs through the below on pump intracavity wall right side and extends one side of helicla flute inner wall, the output of motor runs through the left side of motor intracavity wall and extends to the top on gear intracavity wall right side, the right side of internal gear rotates with the right side of gear intracavity wall to be connected, two the left end of spliced pole all runs through the left side of gear intracavity wall and extends to the right side of circulation intracavity wall.

Preferably, a plurality of heat dissipation holes are formed in the left side of the inner wall of the refrigerating cavity, and sealing gaskets are fixedly connected to the left sides of the surfaces of the cold guide plates and the left sides of the column walls of the two stirring columns.

Preferably, one surfaces of the sealing gaskets are contacted with the inner wall of the circulation cavity, and a lower die is arranged at the lower side of the upper die.

Preferably, a plurality of fixing bolts are arranged around the top surface of the upper die and around the bottom surface of the lower die, and a plurality of die ejector pins are arranged on one surface of the lower die.

The utility model has the technical effects and advantages that:

1. Through setting up mould, refrigeration chamber, semiconductor refrigeration piece, circulation chamber, the helicla flute, lead cold plate, the charge pump chamber, the suction pump, first conveyer pipe, the second conveyer pipe, the motor chamber, the gear chamber, the motor, first gear, the internal gear, the second gear, the stirring post, the stirring leaf, this equipment has cooling function, the drawing of patterns of equipment has been made things convenient for, the problem that traditional equipment need wait for plastic product cooling before carrying out the drawing of patterns has been avoided, the time of equipment drawing of patterns has been shortened, the step before the equipment drawing of patterns has been reduced, the mode of equipment drawing of patterns has been simplified, and traditional equipment drawing of patterns when the plastic mould cooling is incomplete has been avoided, the problem of influencing plastic product quality has been improved the result of use of equipment greatly.

2. Through setting up the effect of running through of cold guide plate and refrigeration chamber, circulation chamber, the effect of running through of first conveyer pipe and charge pump chamber, circulation chamber, the effect of running through of second conveyer pipe and charge pump chamber, the spiral groove, the motor runs through the effect of motor chamber, gear chamber, the effect of running through of stirring post and gear chamber, circulation chamber, the rotation effect of internal gear and gear chamber, this equipment can connect equipment inside structure and structure better, prevent that equipment inside structure from connecting unstability each other, prolonged the life of equipment, stability and security in the equipment use have been guaranteed.

3. The heat of the semiconductor refrigerating sheet can be dissipated through the heat dissipation holes, normal use of the semiconductor refrigerating sheet is guaranteed, the sealing gasket can prevent refrigerating fluid from leaking, stability in the using process of equipment is guaranteed, basic use functions of the equipment are guaranteed by the lower die, connection functions of the equipment and other equipment are guaranteed by the fixing bolts, and use functions of basic ejection products of the equipment are guaranteed by the die ejector pins.

Drawings

Fig. 1 is a schematic overall perspective view of the present utility model.

Fig. 2 is a schematic view of the whole front part cross-sectional structure of the present utility model.

Fig. 3 is an enlarged schematic view of the portion a in fig. 2 according to the present utility model.

Fig. 4 is a schematic diagram of the overall frontal structure of the present utility model.

In the figure: 1. an upper die; 2. a refrigerating chamber; 3. a semiconductor refrigeration sheet; 4. a circulation chamber; 5. a spiral groove; 6. a cold guide plate; 7. an electric pump cavity; 8. a water pump; 9. a first delivery tube; 10. a second delivery tube; 11. a motor cavity; 12. a gear cavity; 13. a motor; 14. a first gear; 15. an internal gear; 16. a second gear; 18. stirring the column; 19. stirring the leaves; 20. a heat radiation hole; 21. a sealing gasket; 22. a lower die; 23. a fixing bolt; 24. and (5) a mould ejector pin.

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.

The utility model provides an injection mold convenient for demolding, which is shown in figures 1-4, and comprises an upper mold 1, wherein a refrigerating cavity 2 is formed in the upper mold 1, a plurality of semiconductor refrigerating sheets 3 are arranged on the right side of the inner wall of the refrigerating cavity 2, a circulating cavity 4 is formed on the right side of the inner wall of the refrigerating cavity 2, a spiral groove 5 is formed above the right side of the inner wall of the circulating cavity 4, the spiral groove 5 refers to a spiral groove body which can encircle the inner side of the upper mold 1 to uniformly refrigerate the equipment, the right sides of the plurality of semiconductor refrigerating sheets 3 are fixedly connected with a cold guide plate 6, an electric pump cavity 7 is formed below the right side of the inner wall of the circulating cavity 4, a water suction pump 8 is fixedly connected to the lower side of the inner wall of the electric pump cavity 7, a first conveying pipe 9 is arranged at the output end of the water suction pump 8, a second conveying pipe 10 is arranged at the input end of the water suction pump 8, a driving structure is arranged on the upper side of the inner wall of the upper mold 1 positioned in the electric pump cavity 7, the driving structure comprises a motor cavity 11 arranged in the upper die 1 and positioned at the upper side of the inner wall of the electric pump cavity 7, a gear cavity 12 is arranged at the left side of the inner wall of the motor cavity 11, a motor 13 is fixedly connected at the right side of the inner wall of the motor cavity 11, a first gear 14 is fixedly connected at the output end of the motor 13, an inner gear 15 is connected on the surface of the first gear 14 in a meshed manner, a second gear 16 is connected at the lower side of the inner wall of the inner gear 15 in a meshed manner, stirring structures are arranged on the inner walls of the first gear 14 and the second gear 16, each stirring structure comprises a stirring column 18, the right side of the column wall of the stirring column 18 is fixedly connected with the inner wall of the first gear 14 or the inner wall of the second gear 16, a plurality of stirring blades 19 are fixedly connected at the left side of the column wall of the stirring column 18, the driving structure has a cooling function, the demolding of the device is convenient, the problem that the traditional device needs to wait for cooling plastic products before demolding is avoided, the method shortens the demolding time of the equipment, reduces the steps before demolding of the equipment, simplifies the demolding mode of the equipment, avoids the problem that the quality of plastic products is affected when the traditional equipment is incompletely cooled by the plastic mold, and greatly improves the use effect of the equipment.

As shown in fig. 2-3, the right sides of the plurality of cold guide plates 6 extend to the left side of the inner wall of the circulation cavity 4, one end of the first conveying pipe 9 extends to the right side of the inner wall of the circulation cavity 4 through the left side of the inner wall of the electric pump cavity 7, one end of the second conveying pipe 10 extends to one side of the inner wall of the spiral groove 5 through the right side of the inner wall of the electric pump cavity 7, the output end of the motor 13 extends to the right side of the inner wall of the gear cavity 12 through the left side of the inner wall of the motor cavity 11, the right side of the inner gear 15 is rotationally connected with the right side of the inner wall of the gear cavity 12, the left ends of the two stirring columns 18 extend to the right side of the inner wall of the circulation cavity 4 through the left side of the inner wall of the gear cavity 12, the structures and structures inside the equipment can be better connected, the structures inside the equipment are prevented from being unstable, the service life of the equipment is prolonged, and the stability and the safety of the equipment in the use process are ensured.

As shown in fig. 1-3, a plurality of heat dissipation holes 20 are formed in the left side of the inner wall of the refrigerating cavity 2, the heat dissipation holes 20 can enable heat of the semiconductor refrigerating sheet 3 to be dissipated, normal use of the semiconductor refrigerating sheet 3 is guaranteed, sealing gaskets 21 are fixedly connected to the left sides of the surfaces of the plurality of cold guide plates 6 and the left sides of the column walls of the two stirring columns 18, the sealing gaskets 21 can prevent refrigerating fluid from leaking out, stability in the using process of equipment is guaranteed, one faces of the plurality of sealing gaskets 21 are contacted with the inner wall of the circulating cavity 4, a lower die 22 is arranged on the lower side of the upper die 1, basic using functions of the equipment are guaranteed by the lower die 22, a plurality of fixing bolts 23 are arranged on the periphery of the top face of the upper die 1 and the periphery of the bottom face of the lower die 22, connecting functions of the equipment and other equipment are guaranteed by the fixing bolts 23, a plurality of ejector pins 24 are arranged on one face of the lower die 22, and the ejector pins 24 guarantee the basic using functions of ejected products of the equipment.

The working principle of the utility model is as follows: when the device is used, the electric driving device is communicated with an external power supply through a circuit, after the device is subjected to injection molding, the semiconductor refrigerating piece 3 is refrigerated, the circulating cavity 4 and the spiral groove 5 are filled with refrigerating fluid, the cold guide plate 6 is used for refrigerating the refrigerating fluid in the circulating cavity 4, the water suction pump 8 is used for completing circulation of the refrigerating fluid in the circulating cavity 4 and the spiral groove 5 through the first conveying pipe 9 and the second conveying pipe 10, the motor 13 drives the first gear 14 to rotate so as to drive the internal gear 15 to rotate, the internal gear 15 drives the second gear 16 to rotate, the first gear 14 and the second gear 16 drive the stirring column 18 to rotate so as to drive the stirring blade 19 to rotate, the refrigerating fluid in the circulating cavity 4 is refrigerated more quickly and completely, the cooling function of the device is completed, the demolding of the device is facilitated, the problem that a plastic product is required to wait for cooling before demolding of the traditional device is avoided, the demolding time of the device is shortened, the step of the device before demolding of the device is simplified, the problem that the plastic product quality is influenced when the demolding of the traditional device is not completely cooled is avoided, and the use effect of the device is greatly improved;

Wherein the heat dissipation hole 20 can make the heat dissipation of semiconductor refrigeration piece 3, guarantees the normal use of semiconductor refrigeration piece 3, and sealed 21 can prevent that the refrigerating fluid from spilling, has guaranteed the stability in the equipment use, and lower mould 22 has guaranteed the essential function of using of equipment, and fixing bolt 23 has guaranteed the connection function of equipment and other equipment, and mould thimble 24 has guaranteed the essential function of using of ejecting the product of equipment.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Injection mold convenient to demold, comprising an upper mold (1), and being characterized in that: the inside of going up mould (1) has been seted up refrigeration chamber (2), the right side of refrigeration chamber (2) inner wall is equipped with a plurality of semiconductor refrigeration piece (3), circulation chamber (4) have been seted up on the right side of refrigeration chamber (2) inner wall, spiral groove (5) have been seted up to the top on circulation chamber (4) inner wall right side, a plurality of the equal fixedly connected with in right side of semiconductor refrigeration piece (3) leads cold plate (6), charge pump chamber (7) have been seted up to the below on circulation chamber (4) inner wall right side, the downside fixedly connected with suction pump (8) of charge pump chamber (7) inner wall, the output of suction pump (8) is equipped with first conveyer pipe (9), the input of suction pump (8) is equipped with second conveyer pipe (10), the inside of going up mould (1) is located the upside of charge pump chamber (7) inner wall and is provided with drive structure.

2. An injection mold for facilitating demolding as claimed in claim 1, wherein: the driving structure comprises a motor cavity (11) which is arranged in the upper die (1) and is positioned on the upper side of the inner wall of the electric pump cavity (7), a gear cavity (12) is arranged on the left side of the inner wall of the motor cavity (11), a motor (13) is fixedly connected to the right side of the inner wall of the motor cavity (11), a first gear (14) is fixedly connected to the output end of the motor (13), an inner gear (15) is connected to the surface of the first gear (14) in a meshed mode, a second gear (16) is connected to the lower side of the inner wall of the inner gear (15) in a meshed mode, and stirring structures are arranged on the inner walls of the first gear (14) and the second gear (16).

3. An injection mold for facilitating demolding as claimed in claim 2, wherein: the stirring structure comprises a stirring column (18), the right side of the column wall of the stirring column (18) is fixedly connected with the inner wall of the first gear (14) or the inner wall of the second gear (16), and a plurality of stirring blades (19) are fixedly connected to the left side of the column wall of the stirring column (18).

4. An injection mold for facilitating mold release according to claim 3, wherein: the right sides of a plurality of cold guide plates (6) all run through the right side of refrigeration chamber (2) inner wall and extend to the left side of circulation chamber (4) inner wall, the below that the one end of first conveyer pipe (9) runs through the below on electric pump chamber (7) inner wall left side extends to the below on circulation chamber (4) inner wall right side, one side of the below on electric pump chamber (7) inner wall right side extension helical groove (5) inner wall is run through to the one end of second conveyer pipe (10), the output of motor (13) runs through the left side of motor chamber (11) inner wall and extends to the top on gear chamber (12) inner wall right side, the right side of internal gear (15) rotates with the right side of gear chamber (12) inner wall to be connected, two the left end of stirring post (18) all runs through the left side of gear chamber (12) inner wall and extends to the right side of circulation chamber (4) inner wall.

5. An injection mold for facilitating mold release according to claim 3, wherein: a plurality of heat dissipation holes (20) are formed in the left side of the inner wall of the refrigerating cavity (2), and sealing gaskets (21) are fixedly connected to the left sides of the surfaces of the cold guide plates (6) and the left sides of the column walls of the two stirring columns (18).

6. The injection mold convenient for demolding as claimed in claim 5, wherein: one surfaces of the sealing gaskets (21) are contacted with the inner wall of the circulating cavity (4), and a lower die (22) is arranged at the lower side of the upper die (1).

7. The injection mold convenient for demolding as claimed in claim 6, wherein: a plurality of fixing bolts (23) are arranged around the top surface of the upper die (1) and around the bottom surface of the lower die (22), and a plurality of die ejector pins (24) are arranged on one surface of the lower die (22).