Injection molding mold for household appliance cover plate

Abstract

The utility model provides a household appliance cover plate injection molding mold, which relates to the technical field of molds and comprises an injection molding box, an air cylinder is arranged on one side of the bottom wall of the injection molding box, the output end of the air cylinder is fixedly connected with a connecting plate, two working boxes are fixedly connected with one side of the surface wall of the connecting plate, and first motors are arranged on one sides of the inner walls of the two working boxes. A worm is installed at the output end of the first motor, two supports are fixedly connected to one sides of the inner walls of the two working boxes, the two supports are rotationally connected with the worm, a worm gear is connected to one side of the surface wall of the worm in a meshed mode, an anti-falling box is installed on one side of the surface wall of the worm gear, and the cooled and ejected household appliance cover plate is received under the action of an anti-falling pad; the air cylinder is started to descend the anti-falling box, then the first motor is started to drive the anti-falling box to rotate so that the household appliance cover plate can topple on the conveying belt, then the household appliance cover plate is prevented from falling and being damaged rapidly, and the working cost of household appliance cover plate production operation is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to an injection molding mold for a home appliance cover. Background Art

[0002] Injection mold is one of the important equipment in modern manufacturing industry. It is widely used in various industries, such as home appliances, automobiles, medical treatment, electricity and other fields. Its main function is to inject the molten plastic into the mold for cooling and fixing through pressure and temperature, and finally realize the molding of the product. Injection mold has high productivity and fast production speed, can realize large-scale production, has high stability and accuracy, and the quality of the products produced is stable and reliable. The manufacturing technology of injection mold is mature and economical, which can reduce production costs. Injection mold can produce various home appliance shells and components, such as washing machines, air conditioners, televisions and other home appliances. If it is not regularly maintained and maintained, it is easy to cause problems such as damage to the mold structure, shortened life, and increased production costs.

[0003] However, the existing home appliance cover plate injection molding mold has shortcomings in operation. When the home appliance cover plate is produced, it is cooled and ejected and then falls directly onto the conveyor belt or into the collection box. Since the home appliance cover plate has a large force-bearing area, it is easy to be broken when it falls to the ground, thereby increasing the production cost of the home appliance cover plate production operation. Therefore, it is necessary to propose a new type of home appliance cover plate injection molding mold. Utility Model Content

[0004] The utility model aims to solve the problem that the stress-bearing area of ​​a cover plate of a home appliance is large, and it is easy to be broken when it falls directly onto a conveyor belt after being cooled and ejected, thereby increasing the working cost of the production operation of the cover plate of the home appliance, and proposes an injection molding mold for the cover plate of the home appliance.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a household appliance cover injection molding mold, comprising an injection molding box, a cylinder is installed on one side of the bottom wall of the injection molding box, the output end of the cylinder is fastened to a connecting plate, and two working boxes are fastened to one side of the surface wall of the connecting plate, a first motor is installed on one side of the inner wall of the two working boxes, a worm is installed on the output end of the first motor, two brackets are fastened to one side of the inner wall of the two working boxes, the two brackets are rotatably connected to the worm, a worm wheel is meshingly connected to one side of the surface wall of the worm, an anti-drop box is installed on one side of the surface wall of the worm wheel, and an anti-drop pad is movably connected to one side of the inner wall of the anti-drop box.

[0006] Preferably, a hydraulic cylinder is installed on one side of the inner wall of the injection molding box, a second mold is installed on the output end of the hydraulic cylinder, and the second mold is slidably connected to the injection molding box.

[0007] Preferably, a second motor is installed on one side of the inner wall of the second mold, and a turntable is installed on the output end of the second motor.

[0008] Preferably, a connecting rod is rotatably connected to one side of the top wall of the turntable, and a limiting plate is installed on one side of the surface wall of the connecting rod.

[0009] Preferably, a fixing plate is installed on one side of the surface wall of the connecting rod, and three ejection plates are fastened to one side of the surface wall of the fixing plate.

[0010] Preferably, one side of the bottom wall of the fixed plate is slidably connected to two guide rails, and one side of the inner wall of the injection molding box is fastened to the first mold.

[0011] Preferably, an injection port is provided on one side of the surface wall of the first mold, and two link blocks are fastened and connected to one side of the top wall of the first mold and the second mold, respectively.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, the cover plate of the household appliance is caught after being ejected by cooling under the action of the anti-fall pad, the cylinder is started to lower the anti-fall box, and then the first motor is started to drive the anti-fall box to rotate and dump the cover plate of the household appliance onto the conveyor belt, thereby preventing the cover plate of the household appliance from falling and being damaged by rapid descent, thereby reducing the working cost of the production operation of the cover plate of the household appliance.

[0014] 2. In the utility model, the user starts the second motor, and the turntable is driven to rotate under the action of the output end of the second motor, and then the fixed plate is driven to move. The movement of the fixed plate drives the ejector plate to move, and the cooled home appliance cover plate is ejected under the action of the ejector plate, thereby improving the working efficiency of the home appliance cover plate injection molding mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional structural schematic diagram of an injection molding mold for a home appliance cover is provided for the utility model;

[0016] Figure 2 The utility model provides a schematic diagram of the internal cross-sectional structure of an injection molding mold for a home appliance cover;

[0017] Figure 3 The utility model provides a schematic diagram of the internal cross-sectional structure of a second mold of an injection molding mold for a home appliance cover;

[0018] Figure 4 The utility model provides a side view of a stereoscopic structure of an injection molding mold for a home appliance cover;

[0019] Figure 5 The utility model provides a partial structural schematic diagram of an injection molding mold for a home appliance cover.

[0020] Legend: 1. Injection molding box; 2. Cylinder; 3. Connecting plate; 4. Working box; 5. First motor; 6. Worm; 7. Bracket; 8. Worm wheel; 9. Anti-drop pad; 10. Anti-drop box; 11. Hydraulic cylinder; 12. First mold; 13. Link block; 14. Injection molding port; 15. Second mold; 16. Second motor; 17. Turntable; 18. Connecting rod; 19. Limiting plate; 20. Ejector plate; 21. Guide rail; 22. Fixed plate. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure. Example 1

[0023] like Figure 1-Figure 5 As shown, the utility model provides a technical solution: an injection molding mold for a household appliance cover, comprising an injection molding box 1, a cylinder 2 is installed on one side of the bottom wall of the injection molding box 1, a connecting plate 3 is fastened to the output end of the cylinder 2, two working boxes 4 are fastened to one side of the surface wall of the connecting plate 3, a first motor 5 is installed on one side of the inner wall of the two working boxes 4, a worm 6 is installed on the output end of the first motor 5, two brackets 7 are fastened to one side of the inner wall of the two working boxes 4, the two brackets 7 are rotatably connected to the worm 6, a worm wheel 8 is meshingly connected to one side of the surface wall of the worm 6, an anti-drop box 10 is installed on one side of the surface wall of the worm wheel 8, and an anti-drop pad 9 is movably connected to one side of the inner wall of the anti-drop box 10.

[0024] In this embodiment, after the cooled household appliance cover is ejected, it falls into the anti-fall box 10 under the influence of gravity, and is protected from being damaged by the anti-fall pad 9. Then, the cylinder 2 installed on the injection molding box 1 is started, and the connecting plate 3 is driven to descend under the action of the output end of the cylinder 2, and the descent of the connecting plate 3 drives the working box 4 to descend, and the descent of the working box 4 drives the anti-fall box 10 to descend, and then, the first motor 5 installed inside the working box 4 is started, and the output end of the first motor 5 rotates to drive the worm 6 to rotate, and the bracket 7 supports the worm 6, and the rotation of the worm 6 drives the worm wheel 8 to rotate, and the rotation of the worm wheel 8 drives the anti-fall box 10 to rotate, and the rotation of the anti-fall box 10 drives the internal household appliance cover to be dumped out, thereby preventing the household appliance cover from falling quickly and being damaged, thereby reducing the working cost of the household appliance cover production operation. Example 2

[0025] like Figure 1-Figure 5 As shown, a hydraulic cylinder 11 is installed on one side of the inner wall of the injection molding box 1, and a second mold 15 is installed on the output end of the hydraulic cylinder 11. The second mold 15 and the injection molding box 1 are slidably connected, a second motor 16 is installed on one side of the inner wall of the second mold 15, and a turntable 17 is installed on the output end of the second motor 16. A connecting rod 18 is rotatably connected to one side of the top wall of the turntable 17, a limiting plate 19 is installed on one side of the surface wall of the connecting rod 18, a fixing plate 22 is installed on one side of the surface wall of the connecting rod 18, three ejection plates 20 are fastened to one side of the surface wall of the fixing plate 22, and two guide rails 21 are slidably connected to one side of the bottom wall of the fixing plate 22, a first mold 12 is fastened to one side of the inner wall of the injection molding box 1, an injection port 14 is opened on one side of the surface wall of the first mold 12, and two link blocks 13 are fastened to one side of the top wall of the first mold 12 and the second mold 15, respectively.

[0026] In this embodiment, the first mold 12 and the second mold 15 are connected by an iron chain under the action of the link block 13, thereby improving the stability of the mold. The user docks the injection port 14 with the injection molding machine, starts the hydraulic cylinder 11 to push the second mold 15 to move, so that the second mold 15 and the first mold 12 are aligned. When the home appliance cover is cooled and finalized, the second motor 16 installed in the second mold 15 is started. Under the action of the second motor 16, the output end of the second motor 16 rotates to drive the turntable 17 to rotate, and the turntable 17 rotates to drive the connecting rod 18 to move. Under the action of the limit plate 19, the connecting rod 18 performs a linear motion. Under the action of the guide rail 21, the connecting rod 18 moves to drive the fixed plate 22 to move, and the fixed plate 22 moves to drive the ejection plate 20 to move to eject the home appliance cover. Compared with the ejector pin, the ejection plate 20 increases the force area to avoid damage to the home appliance cover. After the home appliance cover is ejected, it falls into the inside of the anti-fall box 10 through the notch at the bottom of the injection molding box 1, thereby improving the working efficiency of the home appliance cover injection molding mold.

[0027] The working principle of this embodiment is as follows: when in use, first connect the power supply, connect the first mold 12 and the second mold 15 through an iron chain under the action of the link block 13, and the user docks the injection port 14 with the injection molding machine, and starts the hydraulic cylinder 11 to push the second mold 15 to move, so that the second mold 15 and the first mold 12 are aligned. When the home appliance cover is cooled and finalized, start the second motor 16, and the output end of the second motor 16 rotates to drive the turntable 17 to rotate, and the rotation of the turntable 17 drives the connecting rod 18 to move. Under the action of the limit plate 19, the connecting rod 18 performs a linear motion, and the movement of the connecting rod 18 drives the fixed plate 22 to move, and the movement of the fixed plate 22 drives the ejection The plate 20 moves to push out the cover of the household appliance. Then, under the action of the anti-fall pad 9, the cover of the household appliance is protected from being damaged. The cylinder 2 installed on the injection molding box 1 is started. Under the action of the output end of the cylinder 2, the connecting plate 3 is driven to descend. The descent of the connecting plate 3 drives the working box 4 to descend. The descent of the working box 4 drives the anti-fall box 10 to descend. Then, the first motor 5 is started. The output end of the first motor 5 rotates to drive the worm 6 to rotate. The bracket 7 supports the worm 6. The rotation of the worm 6 drives the worm wheel 8 to rotate. The rotation of the worm wheel 8 drives the anti-fall box 10 to rotate. The rotation of the anti-fall box 10 drives the internal household appliance cover to be dumped out, thereby preventing the household appliance cover from falling quickly and being damaged.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A household appliance cover plate injection molding mold, characterized in that: The invention comprises an injection molding box (1), wherein a cylinder (2) is installed on one side of the bottom wall of the injection molding box (1), the output end of the cylinder (2) is fastened to a connecting plate (3), the surface wall side of the connecting plate (3) is fastened to two working boxes (4), the inner wall side of the two working boxes (4) is installed with a first motor (5), the output end of the first motor (5) is installed with a worm (6), the inner wall side of the two working boxes (4) is fastened to two brackets (7), the two brackets (7) and the worm (6) are rotatably connected, the surface wall side of the worm (6) is meshingly connected with a worm wheel (8), the surface wall side of the worm wheel (8) is installed with an anti-fall box (10), and the inner wall side of the anti-fall box (10) is movably connected with an anti-fall pad (9).

2. The household appliance cover plate injection molding mold according to claim 1, characterized in that: A hydraulic cylinder (11) is installed on one side of the inner wall of the injection molding box (1), a second mold (15) is installed on the output end of the hydraulic cylinder (11), and the second mold (15) is slidably connected to the injection molding box (1).

3. The household appliance cover plate injection molding mold according to claim 2, characterized in that: A second motor (16) is installed on one side of the inner wall of the second mould (15), and a rotating disc (17) is installed on the output end of the second motor (16).

4. The household appliance cover plate injection molding mold according to claim 3, characterized in that: A connecting rod (18) is rotatably connected to one side of the top wall of the rotating disk (17), and a limiting plate (19) is installed on one side of the surface wall of the connecting rod (18).

5. The household appliance cover plate injection molding mold according to claim 4, characterized in that: A fixing plate (22) is installed on one side of the surface wall of the connecting rod (18), and three ejection plates (20) are fastened to one side of the surface wall of the fixing plate (22).

6. The household appliance cover plate injection molding mold according to claim 5, characterized in that: One side of the bottom wall of the fixed plate (22) is slidably connected to two guide rails (21), and one side of the inner wall of the injection molding box (1) is firmly connected to a first mold (12).

7. The household appliance cover plate injection molding mold according to claim 6, characterized in that: An injection port (14) is provided on one side of the surface wall of the first mold (12), and two link blocks (13) are respectively fastened to one side of the top wall of the first mold (12) and the second mold (15).

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