Circulating cooling type metal plate device for refrigerator manufacturing

Abstract

The utility model relates to the technical field of refrigerator sheet metal machining, and discloses a circulating cooling type refrigerator manufacturing sheet metal device which comprises a stamping table, a stamping die is installed on the end face of the stamping table, a stamping mechanism is installed on the end face of the stamping table, and bosses are integrally formed in the positions, located on the two sides of the stamping die, of the end face of the stamping table; and cavities are formed in the two bosses, piston plates are arranged in the cavities in a sliding mode, buffer frames are fixedly installed at the tops of the piston plates, all rod walls of the buffer frames are connected with the end faces of the bosses in a sliding mode, and a plurality of springs are fixedly arranged between the buffer frames and the cavities on the same side. According to the device, cooling liquid can circularly flow through downward moving stamping force of the stamping mechanism, circulating cooling of the stamping die is achieved, redundant pumps are not needed, downward pressing force of the stamping mechanism can be buffered, and the situation that the stamping quality is affected due to the fact that instantaneous stamping force is too large is avoided.

Description

Technical Field

[0001] The present application relates to the technical field of refrigerator sheet metal processing, and in particular to a sheet metal device for manufacturing a circulating cooling refrigerator. Background Art

[0002] Sheet metal is a comprehensive cold processing technology for thin metal plates (usually less than 6mm), including shearing, punching, cutting, compounding, folding, riveting, splicing, forming, etc. It is widely used in the production of refrigerator shells and parts.

[0003] At present, in the sheet metal processing of refrigerator shells and parts, cold stamping is one of the key steps in the forming of shells and parts. It adopts cold stamping method and uses molds to quickly form shells and parts with high processing speed. In the process of cold stamping, due to frequent stamping, the mold will generate heat. If the heat cannot be discharged in time, its temperature will become higher and higher, resulting in a greater wear rate during subsequent stamping. Therefore, the mold is usually equipped with a special cooling structure to assist the mold heat to dissipate in time. However, the function of the cooling structure is relatively single and requires a special machine pump. The high temperature resistance requirements of the machine pump are also high. Continuous pumping work and heat will also increase the damage rate of the machine pump. Utility Model Content

[0004] The purpose of this application is to solve the problem that the cooling structure in the prior art has a relatively single function, requires a special machine pump, has high requirements for the high temperature resistance of the machine pump, and continuous pumping work and heat will also increase the damage rate of the machine pump. A sheet metal device for manufacturing circulating cooling refrigerators is proposed.

[0005] In order to achieve the above purpose, this application adopts the following technical solutions:

[0006] A sheet metal device for manufacturing a circulating cooling refrigerator comprises a stamping table, a stamping die is installed on the end face of the stamping table, a stamping mechanism is installed on the end face of the stamping table, bosses are integrally formed at the end faces of the stamping table on both sides of the stamping die, cavities are provided inside the two bosses, piston plates are slidably provided inside the cavities, a buffer frame is fixedly installed on the top of the piston plate, and each rod wall of the buffer frame is slidably connected to the end face of the boss, a plurality of springs are fixedly provided between the buffer frame and the cavity on the same side, liquid inlet holes and liquid discharge holes are provided on the cavity walls of the two cavities, one-way valves are installed inside the liquid inlet holes and the liquid discharge holes, and a heat exchange mechanism connected to the two liquid inlet holes and the two liquid discharge holes is provided inside the stamping table.

[0007] Preferably, the heat exchange mechanism includes a heat exchange cavity opened inside the stamping platform, a reflux groove is opened on the lower cavity wall of the heat exchange cavity, the two liquid inlet holes are connected to the heat exchange cavity, the two liquid discharge holes are connected to the reflux groove, a plurality of semiconductor cooling plates are fixedly plugged into the bottom of the reflux groove, the cold end of each semiconductor cooling plate is arranged inside the reflux groove, and the hot end of each semiconductor cooling plate is arranged on the lower side of the stamping platform, and the interior of the heat exchange cavity, the reflux groove, the two liquid inlet holes, the two liquid discharge holes and the two cavities are all filled with coolant.

[0008] Preferably, a side plate is fixedly mounted on the bottom of the stamping table, the side plate is arranged on one side of the semiconductor cooling plate, and a cooling fan is fixedly mounted on the side wall of the side plate.

[0009] Preferably, the stamping mechanism comprises a frame fixedly mounted on the end face of the stamping table, a stamping cylinder is fixedly plugged into the end face of the frame, a mounting plate is fixedly mounted on the output end of the stamping cylinder, and a stamping head is mounted on the bottom of the mounting plate.

[0010] Preferably, a heat conducting plate is fixedly inserted into the upper cavity wall of the heat exchange cavity, the upper end of the heat conducting plate is in contact with the bottom of the stamping die, and the lower end of the heat conducting plate is arranged inside the heat exchange cavity.

[0011] Compared with the prior art, the present application provides a sheet metal device for manufacturing a circulating cooling refrigerator, which has the following beneficial effects:

[0012] 1. The sheet metal device for manufacturing circulating cooling refrigerators can utilize the downward stamping force of the stamping mechanism to circulate the coolant through the cooperation of the set stamping table, stamping die, boss, cavity, piston plate, buffer frame, spring, liquid inlet hole, liquid discharge hole, one-way valve and heat exchange mechanism, so as to achieve circulating cooling of the stamping die without the need for extra machine pumps, and can buffer the downward pressure of the stamping mechanism to avoid excessive instantaneous stamping force affecting the stamping quality.

[0013] 2. The sheet metal device for manufacturing circulating cooling refrigerators can assist the hot end of each semiconductor refrigeration plate to dissipate heat quickly through the cooperation of the side panels and the cooling fan, so as to ensure that the semiconductor refrigeration plate continues to maintain a good heat dissipation effect.

[0014] Moreover, the parts not involved in the device are the same as the prior art or can be implemented by using the prior art. The present application can utilize the downward stamping pressure of the stamping mechanism to circulate the coolant to achieve circulating cooling of the stamping die without the need for additional machine pumps, and can buffer the downward pressure of the stamping mechanism to avoid excessive instantaneous stamping pressure affecting the stamping quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1This is a schematic diagram of the structure of a sheet metal device for manufacturing a circulating cooling refrigerator proposed in this application;

[0016] Figure 2 A schematic diagram of the three-dimensional structure of a stamping table of a sheet metal device for manufacturing a circulating cooling refrigerator proposed in this application;

[0017] Figure 3 This is a schematic diagram of the internal structure of a stamping table of a sheet metal device for manufacturing a circulating cooling refrigerator proposed in this application.

[0018] In the figure: 1. stamping table; 2. stamping die; 3. boss; 4. cavity; 5. piston plate; 6. buffer frame; 7. spring; 8. liquid inlet hole; 9. liquid discharge hole; 10. one-way valve; 11. heat exchange cavity; 12. reflux groove; 13. semiconductor refrigeration plate; 14. coolant; 15. side plate; 16. cooling fan; 17. frame; 18. stamping cylinder; 19. mounting plate; 20. stamping head; 21. heat conduction plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0020] Reference Figure 1-3 A sheet metal device for manufacturing a circulating cooling refrigerator comprises a stamping table 1, a stamping die 2 is installed on the end surface of the stamping table 1, a stamping mechanism is installed on the end surface of the stamping table 1, bosses 3 are integrally formed at the end surfaces of the stamping table 1 located on both sides of the stamping die 2, cavities 4 are opened inside the two bosses 3, piston plates 5 are slidably provided inside the cavity 4, a buffer frame 6 is fixedly installed on the top of the piston plate 5, and each rod wall of the buffer frame 6 is slidably connected to the end surface of the boss 3, a plurality of springs 7 are fixedly provided between the buffer frame 6 and the cavity 4 on the same side, a liquid inlet hole 8 and a liquid discharge hole 9 are opened on the cavity walls of the two cavities 4, and a one-way valve 10 is installed inside the liquid inlet hole 8 and the liquid discharge hole 9, and a heat exchange mechanism connected to the two liquid inlet holes 8 and the two liquid discharge holes 9 is provided inside the stamping table 1.

[0021] The heat exchange mechanism includes a heat exchange chamber 11 opened inside the stamping table 1, a reflux groove 12 is opened on the lower cavity wall of the heat exchange chamber 11, two liquid inlet holes 8 are connected to the heat exchange chamber 11, two liquid discharge holes 9 are connected to the reflux groove 12, and a plurality of semiconductor cooling plates 13 are fixedly inserted at the bottom of the reflux groove 12, and the cold end of each semiconductor cooling plate 13 is arranged inside the reflux groove 12, and the hot end of each semiconductor cooling plate 13 is arranged on the lower side of the stamping table 1, and the heat exchange chamber 11, the reflux groove 12, the two liquid inlet holes 8, the two liquid discharge holes 9 and the two cavities 4 are filled with coolant 14, and the coolant 14 can absorb the heat generated during the operation of the stamping mold 2, so that the stamping mold 2 can be cooled.

[0022] A side plate 15 is fixedly mounted on the bottom of the stamping table 1 . The side plate 15 is arranged on one side of the semiconductor cooling plate 13 . A cooling fan 16 is fixedly mounted on the side wall of the side plate 15 . The cooling fan 16 is used to dissipate heat from the hot end of the semiconductor cooling plate 13 .

[0023] The stamping mechanism includes a frame 17 fixedly mounted on the end face of the stamping table 1, a stamping cylinder 18 is fixedly plugged into the end face of the frame 17, and a mounting plate 19 is fixedly mounted on the output end of the stamping cylinder 18, a stamping head 20 is mounted on the bottom of the mounting plate 19, and the stamping head 20 and the mounting plate 19 are detachably connected.

[0024] A heat conducting plate 21 is fixedly inserted into the upper cavity wall of the heat exchange cavity 11, the upper end of the heat conducting plate 21 contacts the bottom of the stamping die 2, and the lower end of the heat conducting plate 21 is arranged inside the heat exchange cavity 11, and the heat conducting plate 21 can facilitate heat exchange with the stamping die 2.

[0025] In the present application, when in use, the metal sheet to be stamped is mounted on the stamping die 2, and then the stamping cylinder 18 is started. The stamping cylinder 18 can drive the mounting plate 19 and the punch head 20 to move downward. During the downward movement, the punch head 20 contacts the metal sheet, and the mounting plate 19 will first touch and press the two buffer frames, thereby pushing the buffer frames to drive the piston plate 5 to move downward. At this time, the coolant 14 inside the cavity 4 will be squeezed into the heat exchange cavity 11 through the liquid inlet hole 8. After the stamping contact, when the stamping cylinder 18 drives the mounting plate 19 and the punch head 20 to move back, under the action of the spring 7, the buffer frame moves back and resets. At this time, due to the increase in the space below the piston plate 5 inside the cavity 4, under the action of high pressure, the coolant 14 inside the reflux groove 12 will flow back to the cavity 4 through the drain hole 9. By circulating, the coolant 14 can be fully in contact with the semiconductor refrigeration plate 13, thereby maintaining a good cooling and heat dissipation effect of the coolant 14.

[0026] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed in the present application according to the technical solution and utility model concept of the present application, which should be covered by the protection scope of the present application.

Claims

1. A sheet metal device for manufacturing a circulating cooling refrigerator, comprising a stamping table (1), characterized in that: The end surface of the punching table (1) is provided with a punching die (2), and the end surface of the punching table (1) is provided with a punching mechanism. The end surface of the punching table (1) is provided with bosses (3) at positions on both sides of the punching die (2). A cavity (4) is provided inside the two bosses (3). A piston plate (5) is slidably provided inside the cavity (4). A buffer frame (6) is fixedly provided on the top of the piston plate (5), and each rod wall of the buffer frame (6) is slidably connected to the end surface of the boss (3). A plurality of springs (7) are fixedly provided between the buffer frame (6) and the cavity (4) on the same side. A liquid inlet hole (8) and a liquid discharge hole (9) are provided on the cavity walls of the two cavities (4). A one-way valve (10) is provided inside the liquid inlet hole (8) and the liquid discharge hole (9). A heat exchange mechanism connected to the two liquid inlet holes (8) and the two liquid discharge holes (9) is provided inside the punching table (1).

2. A sheet metal device for manufacturing a circulating cooling refrigerator according to claim 1, characterized in that: The heat exchange mechanism comprises a heat exchange chamber (11) provided inside the stamping platform (1), a reflux groove (12) being provided on the lower chamber wall of the heat exchange chamber (11), the two liquid inlet holes (8) being connected to the heat exchange chamber (11), the two liquid discharge holes (9) being connected to the reflux groove (12), a plurality of semiconductor cooling plates (13) being fixedly plugged into the bottom of the reflux groove (12), the cold end of each semiconductor cooling plate (13) being arranged inside the reflux groove (12), and the hot end of each semiconductor cooling plate (13) being arranged on the lower side of the stamping platform (1), and the interior of the heat exchange chamber (11), the reflux groove (12), the two liquid inlet holes (8), the two liquid discharge holes (9) and the two cavities (4) being filled with cooling liquid (14).

3. A sheet metal device for manufacturing a circulating cooling refrigerator according to claim 1, characterized in that: A side plate (15) is fixedly mounted on the bottom of the punching table (1), the side plate (15) is arranged on one side of the semiconductor cooling plate (13), and a cooling fan (16) is fixedly mounted on the side wall of the side plate (15).

4. A sheet metal device for manufacturing a circulating cooling refrigerator according to claim 1, characterized in that: The punching mechanism comprises a frame (17) fixedly mounted on the end surface of the punching table (1), a punching cylinder (18) fixedly plugged into the end surface of the frame (17), a mounting plate (19) fixedly mounted on the output end of the punching cylinder (18), and a punching head (20) mounted on the bottom of the mounting plate (19).

5. The sheet metal device for manufacturing a circulating cooling refrigerator according to claim 2, characterized in that: A heat conducting plate (21) is fixedly inserted into the upper cavity wall of the heat exchange cavity (11), the upper end of the heat conducting plate (21) is in contact with the bottom of the stamping die (2), and the lower end of the heat conducting plate (21) is arranged inside the heat exchange cavity (11).

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