CN214926849U

CN214926849U - Injection mold for display panel of small household appliance

Info

Publication number: CN214926849U
Application number: CN202121752803.4U
Authority: CN
Inventors: 张升海; 李小斌; 陈庆丰; 周平平; 常猛
Original assignee: Qingdao Xintuo Yongxiang Electronic Technology Co ltd
Current assignee: Qingdao Xintuo Yongxiang Electronic Technology Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-11-30
Anticipated expiration: 2031-07-29

Abstract

The utility model is suitable for an injection mold technical field provides a small household appliance display panel injection mold, including pressing components and cooling module, pressing components includes the shell, and cooling module includes the bed die, and the inside of bed die has the stock solution chamber, and the inner wall facing in stock solution chamber is equipped with heat-conducting piece; the shell is communicated with the lower die through a mounting hole, a cooling fan is arranged in the mounting hole, and cooling holes are formed in the side walls of two sides of the shell; when the cooling work is carried out, the liquid in the liquid inlet tank firstly flows into the cooler for cooling, and then the cooled liquid is sent into the liquid storage cavity through the water pump so as to carry out water cooling on the lower die; the heat-conducting piece can be dispelled the heat with higher speed in the water-cooling, and when carrying out the cooling, radiator fan moves, supplementary heat-conducting piece heat dissipation to take away the heat on cooler and the water pump, then discharge from the louvre, this device is in the same place water-cooling and forced air cooling, can improve the radiating effect by a wide margin.

Description

Injection mold for display panel of small household appliance

Technical Field

The utility model belongs to the technical field of injection mold, especially, relate to a small household appliances display panel injection mold.

Background

The injection mold is divided into a thermosetting plastic mold and a thermoplastic plastic mold according to the molding characteristics; the molding process includes mold transfer, blow molding, cast molding, thermoforming, hot pressing (compression molding), and injection molding, wherein the hot pressing can be flash, semi-flash, or non-flash.

At present, the injection mold usually carries out heat dissipation and cooling on the lower mold through a water cooling mode, but the cooling efficiency is lower when the lower mold is cooled by the mode, and the actual requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model provides a small household appliances display panel injection mold aims at solving present injection mold and dispels the heat the cooling through water-cooled mode to the bed die usually, but this kind of mode cooling efficiency is lower when cooling off, can't satisfy the problem of actual demand.

The utility model is realized in such a way, the injection mold for the display panel of the small household appliance comprises a pressing component and a cooling component, wherein the pressing component comprises a shell, a support plate is arranged above the shell, and the shell is connected with the support plate through a guide pillar; the bottom of the supporting plate is provided with a hydraulic cylinder, an output shaft of the hydraulic cylinder is provided with a sliding plate, the sliding plate is connected with the supporting plate through a spring, and the bottom of the sliding plate is provided with an upper die; the cooling assembly comprises a lower die, the lower die is positioned right below the upper die and is fixedly connected with the shell, a liquid storage cavity is formed in the lower die, and a heat-conducting piece is attached to the inner wall of the liquid storage cavity; the shell and the lower die are communicated through a mounting hole, a cooling fan is arranged in the mounting hole, and cooling holes are formed in the side walls of two sides of the shell.

Preferably, a liquid inlet box and a liquid outlet box are respectively arranged on two sides of the lower die, and both the liquid inlet box and the liquid outlet box are connected with the shell; the liquid outlet box is communicated with the liquid storage cavity through a water outlet pipe, and a one-way valve is mounted on the side wall of the water outlet pipe.

Preferably, a cooler and a water pump are mounted on the bottom wall in the shell, and the cooler is located on one side of the water pump and communicated with the water pump; the liquid inlet box is communicated with the cooler, the water pump is communicated with the liquid storage cavity through a liquid inlet pipe, and an electromagnetic valve is installed on the side wall of the liquid inlet pipe.

Preferably, the inside both sides of shell all are provided with inhales the sound cotton, each inhale the sound cotton all with shell fixed connection.

Preferably, a guide sleeve is sleeved on the side wall of the guide post, and the guide sleeve is fixedly connected with the sliding plate; one end of the spring is fixedly connected with the sliding plate, and the other end of the spring is fixedly connected with the supporting plate.

Preferably, a fixed seat is installed on the side wall of the shell; the storage box is installed to the bottom of fixing base, be connected with the chamber door through the hinge rotation on the lateral wall of storage box.

Compared with the prior art, the beneficial effects of the utility model are that: by arranging the cooling assembly, when the cooling operation is carried out, the liquid in the liquid inlet tank firstly flows into the cooler for cooling, and then the cooled liquid is sent into the liquid storage cavity through the water pump so as to carry out water cooling on the lower die; the heat conducting piece can accelerate heat dissipation while water cooling is performed, the heat dissipation fan operates while cooling is performed, the heat conducting piece is assisted in dissipating heat, heat on the cooler and the water pump is taken away, and then the heat is discharged from the heat dissipation holes;

inhale the sound cotton through setting up, this inhale the cotton noise that setting up of sound can not only effectively reduce water pump and cooler work and bring, can also prevent that external dust is direct to enter into the shell through the louvre inside.

By arranging the spring, when oil is fed into the hydraulic cylinder, the spring deforms, so that an output shaft of the hydraulic cylinder slowly extends out; when the fluid in the pneumatic cylinder flows back, the output shaft that the spring drove the pneumatic cylinder resets to improve the availability factor of pneumatic cylinder.

Drawings

Fig. 1 is an overall front view of the present invention;

fig. 2 is a cross-sectional view of the housing and the lower mold of the present invention;

FIG. 3 is an enlarged view of the structure at A on the lower mold of FIG. 2;

in the figure: 1. pressing the components; 11. a housing; 111. sound-absorbing cotton; 12. a support plate; 13. a guide post; 14. a hydraulic cylinder; 15. a slide plate; 16. a spring; 17. an upper die; 18. a guide sleeve; 19. a fixed seat; 191. a storage box; 192. a box door; 2. a cooling assembly; 21. a lower die; 211. a liquid inlet tank; 212. a liquid outlet box; 213. a water outlet pipe; 214. a one-way valve; 22. a liquid storage cavity; 23. a heat conductive member; 24. mounting holes; 25. a heat radiation fan; 26. heat dissipation holes; 27. a cooler; 28. a water pump; 29. a liquid inlet pipe; 291. an electromagnetic valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, an injection mold for a display panel of a small household appliance comprises a pressing component 1 and a cooling component 2, wherein the pressing component 1 comprises a shell 11, a support plate 12 is arranged above the shell 11, and the shell 11 and the support plate 12 are connected through a guide post 13; a hydraulic cylinder 14 is arranged at the bottom of the support plate 12, a sliding plate 15 is arranged on an output shaft of the hydraulic cylinder 14, the sliding plate 15 is connected with the support plate 12 through a spring 16, and an upper die 17 is arranged at the bottom of the sliding plate 15; a guide sleeve 18 is sleeved on the side wall of the guide post 13, and the guide sleeve 18 is fixedly connected with the sliding plate 15; one end of the spring 16 is fixedly connected with the slide plate 15, and the other end of the spring 16 is fixedly connected with the support plate 12. A fixed seat 19 is arranged on the side wall of the shell 11; a storage box 191 is installed at the bottom of the fixed seat 19, and a box door 192 is rotatably connected to the side wall of the storage box 191 through a hinge.

In the present embodiment, the housing 11 is provided so that the housing 11 is raised by the guide post 13 to the height of the support plate 12, thereby facilitating the installation of the hydraulic cylinder 14. Through setting up pneumatic cylinder 14, wherein still be provided with oil tank, oil pump and oil pipe on this device, make the oil pump transmission connect the oil tank, the oil tank passes through oil pipe intercommunication pneumatic cylinder 14, makes in the oil tank can pump to pneumatic cylinder 14 in through the oil pump, and the pressure increase in pneumatic cylinder 14 this moment makes the output shaft of pneumatic cylinder 14 stretch out, and in addition the oil in pneumatic cylinder 14 can flow back to the oil tank in through oil pipe, and pressure reduces this moment, and the output shaft of pneumatic cylinder 14 withdraws.

Through setting up guide pillar 13 and guide pin bushing 18, make guide pillar 13, slide 15 and guide pin bushing 18 constitute guiding mechanism, this guiding mechanism's setting can provide the buffering for the compound die, makes the compound die motion guarantee steadily. Through setting up spring 16, when the interior oil feed of pneumatic cylinder 14, spring 16 takes place deformation, makes the output shaft of pneumatic cylinder 14 stretch out slowly, and when the fluid backward flow in pneumatic cylinder 14, spring 16 drives the output shaft of pneumatic cylinder 14 and resets to improve the availability factor of pneumatic cylinder 14. By providing the storage box 191 and the door 192, a user can place the molded object in the storage box 191 by rotating the door 192, so that the worker can perform centralized processing.

Referring to fig. 2 and 3, the cooling assembly 2 includes a lower mold 21, the lower mold 21 is located right below the upper mold 17 and is fixedly connected to the housing 11, a liquid storage cavity 22 is formed inside the lower mold 21, and a heat conducting member 23 is attached to an inner wall of the liquid storage cavity 22; the housing 11 and the lower mold 21 are communicated through a mounting hole 24, a heat dissipation fan 25 is disposed inside the mounting hole 24, and heat dissipation holes 26 are formed in sidewalls of both sides of the housing 11. The inside both sides of shell 11 all are provided with and inhale sound cotton 111, and each inhales sound cotton 111 all with shell 11 fixed connection.

A liquid inlet box 211 and a liquid outlet box 212 are respectively arranged at two sides of the lower die 21, and both the liquid inlet box 211 and the liquid outlet box 212 are connected with the shell 11; liquid outlet box 212 is communicated with liquid storage cavity 22 through water outlet pipe 213, and one-way valve 214 is installed on the side wall of water outlet pipe 213. A cooler 27 and a water pump 28 are arranged on the bottom wall in the shell 11, and the cooler 27 is positioned on one side of the water pump 28 and communicated with the water pump 28; the liquid inlet box 211 is communicated with the cooler 27, the water pump 28 is communicated with the liquid storage cavity 22 through a liquid inlet pipe 29, and an electromagnetic valve 291 is installed on the side wall of the liquid inlet pipe 29.

In the present embodiment, by providing the lower mold 21, the lower mold 21 further has a molding cavity inside, so that the molding cavity provides a placing environment for the material. The liquid in the liquid inlet box 211 enters the liquid storage cavity 22 through the cooler 27 and the water pump 28 by arranging the liquid inlet box 211 and the liquid outlet box 212, and whether the liquid flows into the liquid storage cavity 22 from the liquid inlet pipe 29 or not can be controlled by arranging the electromagnetic valve 291; after the liquid exchanges heat, the liquid in the liquid storage cavity 22 can flow into the liquid outlet box 212 through the water outlet pipe 213, and the liquid in the liquid outlet box 212 can be prevented from flowing back by the arrangement of the one-way valve 214.

To sum up, when the utility model is used for cooling, the liquid in the liquid inlet box 211 firstly flows into the cooler 27 for cooling, and then the cooled liquid is sent into the liquid storage cavity 22 through the water pump 28 to cool the lower die 21; the heat-conducting piece 23 can accelerate heat dissipation while being water-cooled, and when cooling, the radiator fan 25 operates, assists the heat-conducting piece 23 to dispel the heat, and takes away the heat on cooler 27 and the water pump 28, then discharges from the louvre 26, and this device combines water-cooling and air-cooling together, can improve the radiating effect by a wide margin.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a small household appliances display panel injection mold, includes pressing components (1) and cooling module (2), its characterized in that: the pressing assembly (1) comprises a shell (11), a supporting plate (12) is arranged above the shell (11), and the shell (11) is connected with the supporting plate (12) through a guide post (13);

a hydraulic cylinder (14) is installed at the bottom of the supporting plate (12), a sliding plate (15) is installed on an output shaft of the hydraulic cylinder (14), the sliding plate (15) is connected with the supporting plate (12) through a spring (16), and an upper die (17) is installed at the bottom of the sliding plate (15);

the cooling assembly (2) comprises a lower die (21), the lower die (21) is positioned under the upper die (17) and is fixedly connected with the shell (11), a liquid storage cavity (22) is formed in the lower die (21), and a heat conducting piece (23) is attached to the inner wall of the liquid storage cavity (22);

the shell (11) and the lower die (21) are communicated through a mounting hole (24), a cooling fan (25) is arranged inside the mounting hole (24), and cooling holes (26) are formed in the side walls of the two sides of the shell (11).

2. The injection mold for the display panel of the small household appliance according to claim 1, wherein: a liquid inlet box (211) and a liquid outlet box (212) are respectively arranged on two sides of the lower die (21), and the liquid inlet box (211) and the liquid outlet box (212) are both connected with the shell (11);

the liquid outlet box (212) is communicated with the liquid storage cavity (22) through a water outlet pipe (213), and a one-way valve (214) is installed on the side wall of the water outlet pipe (213).

3. The small household appliance display panel injection mold of claim 2, wherein: a cooler (27) and a water pump (28) are mounted on the bottom wall inside the shell (11), and the cooler (27) is located on one side of the water pump (28) and communicated with the water pump (28);

the liquid inlet box (211) is communicated with the cooler (27), the water pump (28) is communicated with the liquid storage cavity (22) through a liquid inlet pipe (29), and an electromagnetic valve (291) is installed on the side wall of the liquid inlet pipe (29).

4. The injection mold for the display panel of the small household appliance according to claim 1, wherein: the inside both sides of shell (11) all are provided with and inhale sound cotton (111), each inhale sound cotton (111) all with shell (11) fixed connection.

5. The injection mold for the display panel of the small household appliance according to claim 1, wherein: a guide sleeve (18) is sleeved on the side wall of the guide post (13), and the guide sleeve (18) is fixedly connected with the sliding plate (15);

one end of the spring (16) is fixedly connected with the sliding plate (15), and the other end of the spring (16) is fixedly connected with the supporting plate (12).

6. The injection mold for the display panel of the small household appliance according to claim 1, wherein: a fixed seat (19) is arranged on the side wall of the shell (11);

storage tank (191) are installed to the bottom of fixing base (19), be connected with chamber door (192) through the hinge rotation on the lateral wall of storage tank (191).