Injection molding mold for household appliance shell

Abstract

The utility model relates to the field of injection molding molds, and discloses an injection molding mold for a household appliance shell, which comprises a base, a lifting component for transmission is mounted at the top of the right side of the base, a spring is sleeved outside a fixed column, four sliding blocks are fixedly connected outside an ejection block, and the top of the ejection block is fixedly connected with the lifting component. A lower mold is fixedly connected to the interior of the clamping plate, four sliding grooves are formed in the lower mold, a material injection hole is formed in the front side of the lower mold, an upper mold is slidably connected to the interior of the lower mold, a mold cover is fixedly connected to the top of the upper mold, and a pressure assembly used for compression molding is installed at the top of the mold cover; the top of the pressure assembly is fixedly connected with a stabilizing plate, and the bottom of the stabilizing plate is fixedly connected with four bearing columns. According to the ejection mechanism, buffering is carried out through deformation of the spring, so that a product is safely and effectively ejected out by the ejection block for demolding, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the field of injection molding dies, in particular to an injection molding die for household appliance shells. Background Technique

[0002] During the processing and production of household appliance shells, injection molding is required. During the injection molding process of household appliances, the main molding device in the injection mold is used to inject and process the household appliance shells of corresponding shapes. The injection molding die is a key tool for manufacturing plastic products. This tool is composed of various parts. Different dies are composed of different parts. It mainly realizes the processing of the outer shape of the article by changing the physical state of the molded material.

[0003] In the prior art, for some injection molding dies, during use, generally, the upper die of the injection molding machine extrudes the plastic inside the die. Due to the molding of the plastic, the molded product is not easily demolded, which brings an adverse impact on the subsequent plastic molding operation and reduces the work efficiency. Therefore, an injection molding die for household appliance shells is proposed to solve the above problems. Content of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides an injection molding die for household appliance shells, aiming to improve the problems of inability to quickly take out and quickly cool down in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] An injection molding die for household appliance shells, including a base. A lifting component for transmission is installed at the top right of the base. The top of the lifting component is fixedly connected to a top plate. Four fixing columns are slidably connected inside the top plate. Springs are sleeved outside the fixing columns. A top moving block is fixedly connected to the top of the top plate. Four sliders are fixedly connected to the outside of the top moving block. The tops of the plurality of fixing columns are fixedly connected to a clamping plate. A lower die is fixedly connected inside the clamping plate. Four sliding grooves are opened inside the lower die. A material injection hole is opened at the front side of the lower die. An upper die is slidably connected inside the lower die. A die cover is fixedly connected to the top of the upper die. A pressure component for pressing and molding is installed on the top of the die cover. A stabilizing plate is fixedly connected to the top of the pressure component. Four load-bearing columns are fixedly connected to the bottom of the stabilizing plate.

[0007] As a further description of the above technical solution:

[0008] The lifting component includes a first cylinder. The bottom of the first cylinder is fixedly connected to the top right of the base. The driving end of the first cylinder is fixedly connected to a pushing column. The top of the pushing column is fixedly connected to the bottom of the top plate.

[0009] As a further description of the above technical solution:

[0010] The pressure assembly includes a second cylinder, the top of the second cylinder is fixedly connected to the bottom of the stabilizing plate, the driving end of the second cylinder is fixedly connected with a pressure column, the bottom of the pressure column is fixedly connected with a clamping template, and the bottom of the clamping template is fixedly connected to the top of the mold cover;

[0011] As a further description of the above technical solution:

[0012] The outside of the slider is slidably connected inside the lower mold, and the outside of the pushing block is slidably connected inside the lower mold;

[0013] As a further description of the above technical solution:

[0014] A water pump is fixedly connected to the top left of the base, the output end of the water pump is fixedly connected with a water inlet pipe, the right side of the water inlet pipe is fixedly connected with a check valve, the outside of the check valve is fixedly connected with a cooling pipe, the outside of the cooling pipe is fixedly connected inside the lower mold, the input end of the water pump is fixedly connected with a first cold water pipe, the left side of the first cold water pipe is fixedly connected with a cooling block, the bottom left of the cooling block is fixedly connected with a clamping block, the bottom of the cooling block is fixedly connected with a second cold water pipe, the bottom of the second cold water pipe is fixedly connected with a water tank, the right side of the water tank is fixedly connected with a hot water pipe, and the right side of the hot water pipe is fixedly connected to the left side of the check valve;

[0015] As a further description of the above technical solution:

[0016] The bottom of the clamping block is fixedly connected to the top of the water tank, and the bottom of the water tank is fixedly connected to the top left of the base;

[0017] As a further description of the above technical solution:

[0018] The bottoms of the four load-bearing columns are fixedly connected to the top right of the base, the outsides of the four load-bearing columns are fixedly connected inside the clamping plate, and the outsides of the four load-bearing columns are slidably connected inside the clamping template;

[0019] As a further description of the above technical solution:

[0020] One side of the four springs is fixedly connected to the top of the top plate, and the other side of the four springs is fixedly connected to the bottom of the clamping plate.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the present utility model, through the cooperation of the first cylinder and the pushing column, the top plate is lifted and lowered, so that the pushing block is lifted and lowered. During the rising process of the top plate, the spring deforms, enabling the pushing block to be buffered during the rising process. Through the limitation of the slider, the pushing block can be lifted and lowered within the set range, thereby demolding the product and greatly improving the working efficiency of the mold.

[0023] 2. In the present utility model, the water in the water tank is transmitted to the inside of the cooling block through the second cold water pipe for cooling. The water pump uses the water inlet pipe to transmit cold water to the cooling pipe, and then the hot water pipe transmits the hot water to the water tank for repeated operation, enabling the product in the lower mold to be quickly cooled and formed, thereby improving the efficiency of rapid product formation. Description of the Drawings

[0024] Figure 1 It is a three-dimensional schematic diagram of an injection molding mold for a household appliance shell proposed by the present utility model;

[0025] Figure 2 It is a structural sectional view of the lower mold of an injection molding mold for a household appliance shell proposed by the present utility model;

[0026] Figure 3 It is a structural schematic diagram of the cooling pipe of an injection molding mold for a household appliance shell proposed by the present utility model;

[0027] Figure 4 It is a structural schematic diagram of the anti - reverse valve of an injection molding mold for a household appliance shell proposed by the present utility model;

[0028] Legend Explanation:

[0029] 1. Base; 2. First cylinder; 3. Pushing column; 4. Top plate; 5. Fixed column; 6. Spring; 7. Pushing block; 8. Slider; 9. Clamping plate; 10. Lower mold; 11. Injection hole; 12. Upper mold; 13. Mold cover; 14. Clamping template; 15. Pressure column; 16. Second cylinder; 17. Stabilizing plate; 18. Load - bearing column; 19. Anti - reverse valve; 20. Water inlet pipe; 21. Water pump; 22. First cold water pipe; 23. Cooling block; 24. Clamping block; 25. Second cold water pipe; 26. Water tank; 27. Hot water pipe; 28. Slide groove; 29. Cooling pipe. Detailed Embodiment

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0031] Reference Figure 1 and Figure 2 , an embodiment provided by the present utility model: an injection molding die for a household appliance shell, including a base 1, which can bear the weight and install other components. A lifting component for transmission is installed at the top right of the base 1. The top of the lifting component is fixedly connected with a top plate 4. Four fixing columns 5 are slidably connected inside the top plate 4. A spring 6 is sleeved outside the fixing column 5. By starting the transmission component and the sliding connection of the fixing column 5, the top plate 4 can be lifted and lowered at the required position. A pushing block 7 is fixedly connected to the top of the top plate 4. Four sliders 8 are fixedly connected to the outside of the pushing block 7. Through the fixed connection of the sliders 8, limiting can be carried out. The tops of multiple fixing columns 5 are fixedly connected with a clamping plate 9. A lower mold 10 is fixedly connected inside the clamping plate 9. Through the fixation of the clamping plate 9, the lower mold 10 is stable and will not shake. Four chutes 28 are opened inside the lower mold 10. Through the chutes 28, the sliders 8 can slide at the required position. A material injection hole 11 is opened on the front side of the lower mold 10. Through the material injection hole 11, the required material can be injected into the inner wall of the lower mold 10. An upper mold 12 is slidably connected inside the lower mold 10. Through the upper mold 12, the lower mold 10 can be extruded. A mold cover 13 is fixedly connected to the top of the upper mold 12 for sealing. A pressure component for mold pressing and forming is installed on the top of the mold cover 13. Through the pressure component, the upper mold 12 can be lifted and lowered. A stabilizing plate 17 is fixedly connected to the top of the pressure component, which can fix the component and will not shake. Four load-bearing columns 18 are fixedly connected to the bottom of the stabilizing plate 17, which can bear the weight, make the whole firm, and improve the working accuracy.

[0032] Reference Figure 1 , Figure 3 and Figure 4, on the left top of the base 1, a water pump 21 is fixedly connected. The output end of the water pump 21 is fixedly connected with a water inlet pipe 20. Through the water pump 21, water can be introduced into the water inlet pipe 20. On the right side of the water inlet pipe 20, a check valve 19 is fixedly connected to prevent water from flowing back. The outside of the check valve 19 is fixedly connected with a cooling pipe 29. The outside of the cooling pipe 29 is fixedly connected inside the lower mold 10. By the cooling pipe 29 being distributed inside the lower mold 10, the lower mold 10 can be quickly cooled. The input end of the water pump 21 is fixedly connected with a first cold water pipe 22 for water transmission. On the left side of the first cold water pipe 22, a cooling block 23 is fixedly connected to cool the water. On the bottom left side of the cooling block 23, a clamping block 24 is fixedly connected to fix the cooling block 23. At the bottom of the cooling block 23, a second cold water pipe 25 is fixedly connected. At the bottom of the second cold water pipe 25, a water tank 26 is fixedly connected. Through the second cold water pipe 25, the water inside the water tank 26 can be transmitted to the cooling block 23. On the right side of the water tank 26, a hot water pipe 27 is fixedly connected to transmit hot water to the water tank 26. The right side of the hot water pipe 27 is fixedly connected to the left side of the check valve 19.

[0033] Refer to Figure 1 , Figure 2 and Figure 4 , the lifting assembly includes a first cylinder 2. The bottom of the first cylinder 2 is fixedly connected to the right top of the base 1. The driving end of the first cylinder 2 is fixedly connected with a pushing column 3. Through the first cylinder 2, the pushing column 3 can be lifted and lowered. The top of the pushing column 3 is fixedly connected to the bottom of the top plate 4. The outside of the slider 8 is slidably connected inside the lower mold 10. The outside of the pushing block 7 is slidably connected inside the lower mold 10. The pressure assembly includes a second cylinder 16. The top of the second cylinder 16 is fixedly connected to the bottom of the stabilizing plate 17. The driving end of the second cylinder 16 is fixedly connected with a pressure column 15. The bottom of the pressure column 15 is fixedly connected with a clamping template 14. Through the second cylinder 16, the pressure column 15 is lifted and lowered, thereby driving the lifting of the clamping template 14. The bottom of the clamping template 14 is fixedly connected to the top of the mold cover 13. The bottoms of the four load-bearing columns 18 are fixedly connected to the right top of the base 1. The outside of the four load-bearing columns 18 is fixedly connected inside the clamping plate 9. The outside of the four load-bearing columns 18 is slidably connected inside the clamping template 14. The bottom of the clamping block 24 is fixedly connected to the top of the water tank 26. The bottom of the water tank 26 is fixedly connected to the left top of the base 1.

[0034] Working principle: First, the plastic material is injected into the inner wall of the lower mold 10 through the injection hole 11 connected by the injection pipeline. By starting the second cylinder 16, the pressure column 15 is lifted and lowered, thereby driving the clamping template 14 to lift and lower the mold cover 13 and the upper mold 12 fixedly connected to the bottom of the mold cover 13, so that the product is manufactured. The cooling block 23 pumps the water in the water tank 26 into the cooling block 23 through the second cold water pipe 25 for cooling. The water pump 21 pumps out the cold water in the cooling block 23 through the first cold water pipe 22, and the cold water is transmitted to the cooling pipe 29 through the water inlet pipe 20 via the check valve 19, so that the product manufactured in the lower mold 10 is quickly cooled. The hot water is transmitted to the water tank 26 through the hot water pipe 27 for circulation. By starting the first cylinder 2, the pressure column 15 is lifted and lowered, thereby driving the top plate 4 to lift and lower, so that the ejecting block 7 is lifted and lowered. Through the limit of the slider 8, the ejecting block 7 is lifted and lowered within the set range, and the product on the inner wall of the lower mold 10 is ejected, so as to perform demolding. By the lifting and lowering of the top plate 4, the spring 6 undergoes elastic deformation, so that the ejecting block 7 can be buffered during the rising process, and the product inside the mold 10 can be protected during the demolding process, improving the success rate of the product and the working efficiency of the mold.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An injection molding die for a household appliance shell, comprising a base (1), characterized in that: On the top right of the base (1), a lifting component for transmission is installed. The top of the lifting component is fixedly connected to a top plate (4). Four fixing columns (5) are slidably connected inside the top plate (4). A spring (6) is sleeved outside the fixing column (5). The top of the top plate (4) is fixedly connected to a pushing block (7). Four sliders (8) are fixedly connected to the outside of the pushing block (7). The tops of the multiple fixing columns (5) are fixedly connected to a clamping plate (9). A lower mold (10) is fixedly connected inside the clamping plate (9). Four sliding grooves (28) are formed inside the lower mold (10). A material injection hole (11) is formed on the front side of the lower mold (10). An upper mold (12) is slidably connected inside the lower mold (10). A mold cover (13) is fixedly connected to the top of the upper mold (12). A pressure component for mold pressing and forming is installed on the top of the mold cover (13). The top of the pressure component is fixedly connected to a stabilizing plate (17). Four load-bearing columns (18) are fixedly connected to the bottom of the stabilizing plate (17).

2. The injection molding die for a household appliance shell according to claim 1, characterized in that: The lifting component includes a first cylinder (2). The bottom of the first cylinder (2) is fixedly connected to the top right of the base (1). The driving end of the first cylinder (2) is fixedly connected to a pushing column (3). The top of the pushing column (3) is fixedly connected to the bottom of the top plate (4).

3. The injection molding die for a household appliance shell according to claim 1, characterized in that: The pressure component includes a second cylinder (16). The top of the second cylinder (16) is fixedly connected to the bottom of the stabilizing plate (17). The driving end of the second cylinder (16) is fixedly connected to a pressure column (15). The bottom of the pressure column (15) is fixedly connected to a clamping template (14). The bottom of the clamping template (14) is fixedly connected to the top of the mold cover (13).

4. The injection molding die for a household appliance shell according to claim 1, characterized in that: The outside of the slider (8) is slidably connected inside the lower mold (10). The outside of the pushing block (7) is slidably connected inside the lower mold (10).

5. The injection molding die for a household appliance shell according to claim 1, characterized in that: On the top left of the base (1), a water pump (21) is fixedly connected. The output end of the water pump (21) is fixedly connected to a water inlet pipe (20). The right side of the water inlet pipe (20) is fixedly connected to a check valve (19). The outside of the check valve (19) is fixedly connected to a cooling pipe (29). The outside of the cooling pipe (29) is fixedly connected inside the lower mold (10). The input end of the water pump (21) is fixedly connected to a first cold water pipe (22). The left side of the first cold water pipe (22) is fixedly connected to a cooling block (23). The bottom left of the cooling block (23) is fixedly connected to a clamping block (24). The bottom of the cooling block (23) is fixedly connected to a second cold water pipe (25). The bottom of the second cold water pipe (25) is fixedly connected to a water tank (26). The right side of the water tank (26) is fixedly connected to a hot water pipe (27). The right side of the hot water pipe (27) is fixedly connected to the left side of the check valve (19).

6. The injection molding die for a household appliance shell according to claim 5, wherein: The bottom of the clamping block (24) is fixedly connected to the top of the water tank (26), and the bottom of the water tank (26) is fixedly connected to the left top of the base (1).

7. An injection molding die for a household appliance shell according to claim 3, characterized in that: The bottoms of the four load-bearing columns (18) are fixedly connected to the right top of the base (1), the outsides of the four load-bearing columns (18) are fixedly connected to the inside of the clamping plate (9), and the outsides of the four load-bearing columns (18) are slidably connected to the inside of the formwork (14).

8. An injection molding die for a household appliance housing, characterized in that: One side of the spring (6) is fixedly connected to the top of the top plate (4), and the other side of the spring (6) is fixedly connected to the bottom of the clamping plate (9).

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