Refrigerator shell injection mold

Abstract

The utility model relates to the technical field of refrigerator production and processing, and discloses a refrigerator shell injection mold which comprises a working table, a mold groove is formed in the upper surface of the working table, four supporting columns are fixedly connected to the upper surface of the working table, a supporting plate is fixedly connected to the top ends of the four supporting columns, and the supporting plate is fixedly connected to the lower surface of the working table. An electric push rod is fixedly connected to the upper surface of the supporting plate, the output end of the electric push rod extends to the position below the supporting plate and is fixedly connected with an upper mold, the upper mold is matched with the mold groove, a supporting frame is fixedly connected to the lower surface of the workbench, and a threaded rod is rotationally connected to the upper surface of the supporting frame; when the injection mold is used, a formed refrigerator shell can be automatically ejected out, demolding and material taking are facilitated, meanwhile, the demolded refrigerator shell can be automatically pushed to the next working procedure, manual carrying is not needed, time and labor are saved, and accidents are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigerator production and processing, in particular to an injection mold for a refrigerator shell. Background Art

[0002] With the development of society, refrigerators are one of the essential household appliances in our daily life, whether in rural areas or cities. The shell of the refrigerator is a structure for protecting the internal structure of the refrigerator. An injection mold is required in the production process of the shell. The existing injection mold is mainly composed of an upper mold and a lower mold. By opening a forming groove on the lower mold and then pressing down the upper mold, the refrigerator shell is formed through the forming groove.

[0003] After retrieval, an injection mold for a refrigerator air duct shell with the publication number of CN 214726071 U includes a base and brackets arranged on both sides of the top end of the base. A support plate is erected on the top ends of the two brackets. An upper mold device is arranged on the support plate. A lower mold device is arranged below the upper mold device. The lower mold device includes a lower mold component, an ejection component and a support rod. A forming groove is opened in the lower mold component. A moving groove is opened in the forming groove. A lifting block is arranged in the moving groove. The lifting block is connected with the ejection component through a connecting rod. A support rod is arranged on the ejection component. The ejection component includes a fixed rod, an ejection plate and a first spring. One end of the fixed rod is connected with the ejection plate, and the other end of the fixed rod penetrates through the upper mold component. A plurality of first springs are arranged at the bottom end of the ejection plate. The first springs are arranged on the inner wall of the bottom end of the upper mold component. After the air duct shell is injection-molded by this device, the formed shell can be automatically ejected by elastic force, which saves time and effort and improves work efficiency.

[0004] However, there are still some deficiencies in the above injection mold during use. After the shell is formed, it needs to be manually taken out and transported to the next process for processing, which is time-consuming and laborious, with a large labor intensity. At the same time, the efficiency is low. The shell is prone to damage during transportation, which is not convenient for use. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides an injection mold for a refrigerator shell, which solves the problems that after the shell is formed, it needs to be manually taken out and transported to the next process for processing, which is time-consuming and laborious, with a large labor intensity, low efficiency, and the shell is prone to damage during transportation and is not convenient for use.

[0006] The utility model provides the following technical solution: an injection mold for a refrigerator housing, including a workbench, wherein a mold groove is formed on the upper surface of the workbench, four support columns are fixedly connected to the upper surface of the workbench, a support plate is fixedly connected to the tops of the four support columns, an electric push rod is fixedly connected to the upper surface of the support plate, the output end of the electric push rod extends below the support plate and is fixedly connected to an upper mold, the upper mold is matched with the mold groove, a support frame is fixedly connected to the lower surface of the workbench, a threaded rod is rotatably connected to the upper surface of the support frame, a threaded sleeve is threadedly sleeved on the surface of the threaded rod, the top end of the threaded sleeve extends into the mold groove and is fixedly connected to an ejector plate, a telescopic rod is fixedly connected to the upper surface of the support frame, one end of the telescopic rod extends into the mold groove and is fixedly connected to the ejector plate, two empty grooves are formed on the ground of the workbench, the threaded sleeve and the telescopic rod can move in the two empty grooves respectively, and a material pushing assembly is installed on the side surface of the workbench.

[0007] Preferred technical solution one: The material pushing assembly includes two groups of fixing plates fixedly connected to the two side surfaces of the workbench. A screw rod is rotatably connected between one group of the fixing plates, a threaded sleeve is threadedly sleeved on the surface of the screw rod, a limiting rod is fixedly connected between the other group of the fixing plates, a limiting sleeve is slidably sleeved on the surface of the limiting rod, and a push plate is fixedly connected between the top ends of the limiting sleeve and the threaded sleeve.

[0008] This solution can push out the formed refrigerator housing through the material pushing assembly, which is convenient and fast.

[0009] Preferred technical solution two: A first motor is fixedly connected to the side surface of one of the fixing plates. The output end of the first motor penetrates through the connected fixing plate and is fixedly connected to the screw rod, and the push plate and the upper mold do not interfere with each other.

[0010] This solution can automatically push out the demolded product through the rotation of the first motor, which saves time and effort and does not require manual material taking and handling.

[0011] Preferred technical solution three: A second motor is fixedly connected to the lower surface of the support frame. The output end of the second motor penetrates through the connected support frame and is fixedly connected to the threaded rod.

[0012] This solution can automatically push out the formed refrigerator housing from the inside of the mold groove through the rotation of the second motor, quickly demold, which is convenient and fast.

[0013] Preferred technical solution four: The outer side of the ejector plate is attached to the inner wall of the mold groove, and when the ejector plate is at the highest position, its upper surface is flush with the upper surface of the workbench.

[0014] This solution facilitates the injection molding of the refrigerator housing and is convenient for ejection and demolding.

[0015] Preferred Technical Solution Five: A conveyor line body is installed on one side of the workbench. A plurality of conveyor rollers are rotatably installed on the conveyor line body. The upper ends of the plurality of conveyor rollers are flush with the upper surface of the workbench. A driving device is arranged on the side of the conveyor line body, and the plurality of conveyor rollers are all driven by the driving device.

[0016] This solution can automatically convey the parallel housings to the next process without manual handling, saving time and effort.

[0017] Compared with the prior art, the present utility model provides an injection mold for a refrigerator housing, which has the following beneficial effects: When in use, the elongation of the electric push rod drives the upper mold to cooperate with the mold groove, and then the raw material is conveyed into the interior of the mold groove through the injection pipe on the upper mold for injection molding. When the housing is formed, the electric push rod drives the upper mold to return to its original position, and then the second motor is controlled to drive the threaded rod to rotate, thereby driving the threaded sleeve and the ejection plate to move upward to eject the formed housing. Then, by controlling the rotation of the first motor to drive the screw to rotate, the threaded sleeve and the push plate are driven to move, and the finished housing after ejection is pushed onto the conveyor line body on one side of the workbench for conveying to the next process. This injection mold can automatically eject the formed refrigerator housing during use, facilitating demolding and material taking. At the same time, it can automatically push the demolded refrigerator housing to the next process without manual handling, saving time and effort and avoiding accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a front structural schematic diagram of the present utility model;

[0019] Figure 2 is a back structural schematic diagram of the present utility model;

[0020] Figure 3 is a sectional view of the workbench structure of the present utility model.

[0021] In the figure: 1, workbench; 2, mold groove; 3, support column; 4, support plate; 5, electric push rod; 6, upper mold; 7, support frame; 8, threaded rod; 9, threaded sleeve; 10, ejection plate; 11, telescopic rod; 12, empty groove; 13, fixing plate; 14, screw; 15, threaded sleeve; 16, limiting rod; 17, limiting sleeve; 18, push plate; 19, first motor; 20, second motor; 21, conveyor line body; 22, conveyor roller. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Please refer to Figures 1-3 ,

[0023] Example 1: An injection mold for a refrigerator housing, comprising a workbench 1. A mold groove 2 is formed on the upper surface of the workbench 1. Four support columns 3 are fixedly connected to the upper surface of the workbench 1. The top ends of the four support columns 3 are fixedly connected to a support plate 4. An electric push rod 5 is fixedly connected to the upper surface of the support plate 4. The output end of the electric push rod 5 extends below the support plate 4 and is fixedly connected to an upper mold 6. The upper mold 6 is matched with the mold groove 2. A support frame 7 is fixedly connected to the lower surface of the workbench 1. A threaded rod 8 is rotatably connected to the upper surface of the support frame 7. A threaded sleeve 9 is threadedly sleeved on the surface of the threaded rod 8. The top end of the threaded sleeve 9 extends into the mold groove 2 and is fixedly connected to an ejector plate 10. A telescopic rod 11 is fixedly connected to the upper surface of the support frame 7. One end of the telescopic rod 11 extends into the mold groove 2 and is fixedly connected to the ejector plate 10. Two empty grooves 12 are formed on the ground surface of the workbench 1. The threaded sleeve 9 and the telescopic rod 11 can move inside the two empty grooves 12 respectively. A material pushing component is installed on the side of the workbench 1.

[0024] Example 2: The difference between this example and Example 1 is that, among them, the material pushing component includes two groups of fixing plates 13 fixedly connected to the two side surfaces of the workbench 1. A screw rod 14 is rotatably connected between one group of fixing plates 13. A threaded sleeve 15 is threadedly sleeved on the surface of the screw rod 14. A limiting rod 16 is fixedly connected between the other group of fixing plates 13. A limiting sleeve 17 is slidably sleeved on the surface of the limiting rod 16. A push plate 18 is fixedly connected between the top ends of the limiting sleeve 17 and the threaded sleeve 15. Through the material pushing component, the formed refrigerator housing can be pushed out, which is convenient and fast.

[0025] Example 3: The difference between this example and Example 1 is that, among them, a first motor 19 is fixedly connected to the side surface of one of the fixing plates 13. The output end of the first motor 19 penetrates through the connected fixing plate 13 and is fixedly connected to the screw rod 14. The push plate 18 and the upper mold 6 do not interfere with each other. By rotating the first motor 19, the demolded product can be automatically pushed out, saving time and effort and eliminating the need for manual material taking and handling.

[0026] Example 4: The difference between this example and Example 1 is that, among them, a second motor 20 is fixedly connected to the lower surface of the support frame 7. The output end of the second motor 20 penetrates through the connected support frame 7 and is fixedly connected to the threaded rod 8. By rotating the second motor 20, the formed refrigerator housing can be automatically ejected from the inside of the mold groove 2, achieving rapid demolding, which is convenient and fast.

[0027] Example 5: The difference between this example and Example 1 is that, among them, the outer side of the ejector plate 10 is in contact with the inner wall of the mold groove 2. When the ejector plate 10 is at the highest position, its upper surface is flush with the upper surface of the workbench 1, which is convenient for the injection molding of the refrigerator housing and also facilitates ejecting and demolding.

[0028] Embodiment Six: The difference between this embodiment and Embodiment One is that a conveying line body 21 is installed on one side surface of the workbench 1, and a plurality of conveying rollers 22 are rotatably installed on the conveying line body 21. The upper ends of the plurality of conveying rollers 22 are flush with the upper surface of the workbench 1. A driving device is arranged on the side surface of the conveying line body 21, and the plurality of conveying rollers 22 are all driven by the driving device to automatically convey the parallel shells to the next process, eliminating the need for manual handling, which saves time and effort.

[0029] In summary, for this refrigerator shell injection mold, during use, the elongation of the electric push rod 5 drives the upper mold 6 to cooperate with the mold groove 2, and then the raw materials are conveyed into the interior of the mold groove 2 through the injection pipe on the upper mold 6 for injection molding. After the shell is formed, the electric push rod 5 drives the upper mold 6 to return to its original position. Then, the second motor 20 is controlled to drive the threaded rod 8 to rotate, thereby driving the threaded sleeve 9 and the ejector plate 10 to move upward to eject the formed shell. Then, by controlling the rotation of the first motor 19 to drive the screw 14 to rotate, the threaded sleeve 15 and the push plate 18 are driven to move, and the finished shell after ejection is pushed onto the conveying line body 21 on one side of the workbench 1 for conveyance to the next process. This injection mold can automatically eject the formed refrigerator shell during use, facilitating demolding. At the same time, it can automatically push the demolded refrigerator shell to the next process, eliminating the need for manual handling, saving time and effort, and avoiding accidents.

Claims

1. An injection mold for a refrigerator housing, comprising a workbench (1), characterized in that: The upper surface of the workbench (1) is provided with a mold groove (2). The upper surface of the workbench (1) is fixedly connected with four support columns (3). The tops of the four support columns (3) are fixedly connected with a support plate (4). The upper surface of the support plate (4) is fixedly connected with an electric push rod (5). The output end of the electric push rod (5) extends below the support plate (4) and is fixedly connected with an upper mold (6). The upper mold (6) matches the mold groove (2). The lower surface of the workbench (1) is fixedly connected with a support frame (7). The upper surface of the support frame (7) is rotatably connected with a threaded rod (8). The surface of the threaded rod (8) is threadedly sleeved with a threaded sleeve (9). The top end of the threaded sleeve (9) extends into the mold groove (2) and is fixedly connected with an ejector plate (10). The upper surface of the support frame (7) is fixedly connected with a telescopic rod (11). One end of the telescopic rod (11) extends into the mold groove (2) and is fixedly connected with the ejector plate (10). Two empty grooves (12) are opened on the ground of the workbench (1). The threaded sleeve (9) and the telescopic rod (11) can move inside the two empty grooves (12) respectively. A material pushing assembly is installed on the side surface of the workbench (1).

2. The injection mold for a refrigerator housing according to claim 1, wherein: The material pushing assembly includes two groups of fixed plates (13) fixedly connected to the two side surfaces of the workbench (1). A screw rod (14) is rotatably connected between one group of the fixed plates (13). The surface of the screw rod (14) is threadedly sleeved with a threaded sleeve (15). A limiting rod (16) is fixedly connected between the other group of the fixed plates (13). The surface of the limiting rod (16) is slidably sleeved with a limiting sleeve (17). A push plate (18) is fixedly connected between the top ends of the limiting sleeve (17) and the threaded sleeve (15).

3. The injection mold for a refrigerator housing according to claim 2, wherein: A first motor (19) is fixedly connected to the side surface of one of the fixed plates (13). The output end of the first motor (19) penetrates through the connected fixed plate (13) and is fixedly connected with the screw rod (14). The push plate (18) and the upper mold (6) do not interfere with each other.

4. A refrigerator housing injection mold according to claim 1, characterized in that: A second motor (20) is fixedly connected to the lower surface of the support frame (7). The output end of the second motor (20) penetrates through the connected support frame (7) and is fixedly connected with the threaded rod (8).

5. The injection mold for a refrigerator housing according to claim 1, wherein: The outer side of the ejector plate (10) is in contact with the inner wall of the mold groove (2). When the ejector plate (10) is at the highest position, its upper surface is flush with the upper surface of the workbench (1).

6. The injection mold for a refrigerator housing according to claim 1, characterized in that: A conveying line body (21) is installed on one side surface of the workbench (1). A plurality of conveying rollers (22) are rotatably installed on the conveying line body (21). The upper ends of the plurality of conveying rollers (22) are flush with the upper surface of the workbench (1). A driving device is arranged on the side surface of the conveying line body (21). The plurality of conveying rollers (22) are all driven by the driving device.

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