Refrigerator metal plate punching die

Abstract

The utility model relates to the technical field of refrigerator sheet metal machining, and solves the problem that during punching of a refrigerator sheet metal, a sheet metal part is short of a fixing structure and is displaced during punching, so that the position of a punched hole is wrong. The refrigerator metal plate punching die comprises a bottom plate, fixing rods are fixedly connected to the four corners of the top of the bottom plate correspondingly, springs are connected to the surfaces of the fixing rods in a sleeving mode, a top plate is slidably connected to the tops of the fixing rods, and a plurality of punches used for punching refrigerator metal plates are arranged on the two sides of the bottom of the top plate correspondingly; positioning assemblies used for fixing the refrigerator sheet metal part and improving the punching accuracy are arranged on the two sides of the bottom plate in an axial symmetry mode, each positioning assembly comprises L-shaped plates arranged on the two sides of the bottom plate in an axial symmetry mode, threaded holes are formed in the surfaces of the L-shaped plates, threaded rods are in threaded connection with the interiors of the threaded holes, and a positioning plate is rotationally connected to one end of each threaded rod; and sliding holes are formed in four corners of the surface of the top plate.

Description

Technical Field

[0001] This utility model relates to the field of refrigerator sheet metal processing technology, specifically a refrigerator sheet metal punching mold. Background Technology

[0002] CN208390774U discloses a sheet metal punching die for manufacturing refrigerator shells, which includes a lower die and a control base. The lower die is provided with a support base, which is placed vertically. An upper die is provided on the top of the support base. A vertical punching arm is installed at the bottom of the upper die. A control base is installed on one side of the lower die by screws. Two rows of placement grooves are opened on the bottom inner wall of the control base. The placement grooves are located on both sides of the control base. A return spring is installed in the placement groove. A movable block is installed on the top of the return spring. Two rows of long straight sliding grooves are opened in the interior of the control base along the length direction. Two rows of through grooves are opened on the top of the control base. Vertical limit seats are inserted into the through grooves on both sides, and the limit seats on both sides are connected to each other by a connecting rod.

[0003] Its simple structure and easy operation improve the positioning problem in punching sheet metal parts of refrigerator shells, and it is easy to handle, which can improve work efficiency.

[0004] However, during the punching process of refrigerator sheet metal, the sheet metal parts lack a fixing structure, and displacement occurs during punching, resulting in incorrect punching hole positions. This solution is not very accurate for punching refrigerator sheet metal. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a refrigerator sheet metal punching mold, which solves the problem that the lack of a fixed structure in the sheet metal parts during the punching process leads to displacement and incorrect punching hole positions.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a refrigerator sheet metal punching mold, including a base plate, with fixing rods fixedly connected to the four corners of the top of the base plate, and springs sleeved on the surface of the fixing rods. A top plate is slidably connected to the top of the fixing rods, and several punches for punching refrigerator sheet metal are provided on both sides of the bottom of the top plate. Positioning components for fixing refrigerator sheet metal parts and improving punching accuracy are provided axially symmetrically on both sides of the base plate.

[0007] In a specific embodiment, the positioning component includes L-plates arranged symmetrically on both sides of the base plate, and threaded holes are opened on the surface of each L-plate. A threaded rod is threadedly connected inside the threaded hole, and a positioning plate is rotatably connected to one end of the threaded rod.

[0008] In one specific embodiment, sliding holes are provided at the four corners of the top plate surface, and the interior of the sliding holes is slidably connected to the surface of the fixing rod.

[0009] In one specific embodiment, the bottom of the top plate is provided with a limiting block for punching and limiting, and there are two limiting blocks. The bottom plate has a number of punching holes on both sides, and the number of punching holes is the same as the number of punches.

[0010] In one specific embodiment, the position of the punching hole is on the same vertical line as the position of the punch, and the diameter of the punching hole is larger than the diameter of the punch.

[0011] In one specific embodiment, a support rod is fixedly connected to the bottom of the base plate, and a base is fixedly connected to the bottom of the support rod.

[0012] Compared with the prior art, this utility model provides a refrigerator sheet metal punching mold, which has the following beneficial effects:

[0013] In the technical solution disclosed in this utility model, by using the positioning component, during the punching of the refrigerator sheet metal, the refrigerator sheet metal part is placed on the top of the base plate, and the threaded rods on both sides are rotated. By rotating the threaded rods, the positioning plate is moved in a relative direction, thereby clamping and fixing the refrigerator sheet metal part located on the top of the base plate from the side. When the top plate is pressed down through the punch, the sheet metal part is prevented from shifting, thereby achieving the purpose of improving the accuracy of sheet metal punching. Attached Figure Description

[0014] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the base plate structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the positioning component structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the fixing rod structure of this utility model.

[0019] In the diagram: 1. Base plate; 2. Fixing rod; 3. Spring; 4. Top plate; 5. Punch; 6. Positioning assembly; 61. L-plate; 62. Threaded hole; 63. Threaded rod; 64. Positioning plate; 7. Sliding hole; 8. Limiting block; 9. Punching hole; 10. Base. Detailed Implementation

[0020] The following will describe in detail the implementation of this application with reference to the accompanying drawings and embodiments, so that the implementation process of how this application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0021] Figures 1-4 In one embodiment of this utility model, a refrigerator sheet metal punching mold includes a base plate 1. Fixing rods 2 are fixedly connected to the four corners of the top of the base plate 1, and springs 3 are sleeved on the surface of the fixing rods 2. A top plate 4 is slidably connected to the top of the fixing rods 2. Several punches 5 for punching refrigerator sheet metal are provided on both sides of the bottom of the top plate 4. Positioning components 6 for fixing refrigerator sheet metal parts and improving punching accuracy are provided symmetrically on both sides of the base plate 1.

[0022] The specific problem addressed in this embodiment is to solve the issue of incorrect hole placement caused by the lack of a fixing structure for the sheet metal parts during the punching process in refrigerators. This invention utilizes the positioning component 6. During the punching process, the refrigerator sheet metal parts are placed on top of the base plate 1, and the threaded rods 63 on both sides are rotated. This rotation of the threaded rods 63 causes the positioning plate 64 to move in a relative direction, thereby clamping and fixing the refrigerator sheet metal parts located on top of the base plate 1 from the side. When the top plate 4 presses down through the punch 5, displacement of the sheet metal parts is prevented, thus improving the accuracy of sheet metal punching.

[0023] The positioning component 6 includes L-plates 61 arranged symmetrically on both sides of the base plate 1. Each L-plate 61 has threaded holes 62 on its surface, and threaded rods 63 are threaded into the internal threads of the threaded holes 62. One end of the threaded rods 63 is rotatably connected to a positioning plate 64. In this specific embodiment, several punching holes 9 are provided on both sides of the base plate 1, and the number of punching holes 9 is the same as the number of punches 5. The positions of the punching holes 9 and the positions of the punches 5 are on the same vertical line, and the diameter of the punching holes 9 is larger than the diameter of the punches 5. During the refrigerator sheet metal punching process, the refrigerator sheet metal part is placed on the top of the base plate 1, and the threaded rods 63 on both sides are rotated. By rotating the threaded rods 63, the positioning plate 64 moves in a relative direction, thereby clamping and fixing the refrigerator sheet metal part located on the top of the base plate 1 from the side. When the top plate 4 presses down through the punches 5, displacement of the sheet metal part is prevented, thereby improving the accuracy of sheet metal punching.

[0024] In this specific embodiment, sliding holes 7 are provided at the four corners of the surface of the top plate 4, and the interior of the sliding holes 7 is slidably connected to the surface of the fixed rod 2. The bottom of the top plate 4 is provided with a limiting block 8 for punching and limiting, and there are two limiting blocks 8. The bottom of the bottom plate 1 is fixedly connected to a support rod, and the bottom of the support rod is fixedly connected to a base 10.

[0025] The control method of this utility model is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail.

[0026] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A refrigerator sheet metal punching die comprising a base plate (1), characterized in that: The bottom plate (1) top of the four corners are fixedly connected with a fixed rod (2), and the surface of the fixed rod (2) is sleeved with a spring (3), and the top of the fixed rod (2) is slidably connected with a top plate (4), and the bottom of the top plate (4) is provided with a plurality of punch (5) for punching the refrigerator sheet metal, and the both sides of the bottom plate (1) are provided with a positioning assembly (6) for fixing the refrigerator sheet metal part to improve the punching accuracy. The positioning assembly (6) includes an L plate (61) provided on both sides of the bottom plate (1), and the surface of the L plate (61) is provided with a threaded hole (62), and the threaded hole (62) is internally threadedly connected with a threaded rod (63), and one end of the threaded rod (63) is rotatably connected with a positioning plate (64).

2. The refrigerator panel punching die according to claim 1, wherein: The surface of the top plate (4) is provided with a sliding hole (7) at the four corners, and the inside of the sliding hole (7) is slidably connected with the surface of the fixed rod (2).

3. The refrigerator panel punching die according to claim 1, wherein: The bottom of the top plate (4) is provided with a limiting block (8) for limiting punching, and the number of limiting blocks (8) is two.

4. The refrigerator panel punching die according to claim 1, wherein: The both sides of the bottom plate (1) are provided with a plurality of punching holes (9), and the number of punching holes (9) is the same as that of the punch (5).

5. The refrigerator panel punching die according to claim 4, wherein: The position of the punching hole (9) and the position of the punch (5) are on the same vertical line, and the hole diameter of the punching hole (9) is greater than the diameter of the punch (5).

6. The refrigerator panel punching die according to claim 1, wherein: The bottom of the bottom plate (1) is fixedly connected with a support rod, and the bottom of the support rod is fixedly connected with a base (10).

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