Automatic punch forming equipment for compressor bottom shell and using method

Abstract

The invention discloses compressor bottom shell automatic punch forming equipment and a using method, and relates to the technical field of punch forming, the compressor bottom shell automatic punch forming equipment comprises a transfer frame, a transfer rotating roller is rotatably mounted on the inner wall of the transfer frame, and the transfer rotating roller rotates to drive a bottom die to move along the transfer frame; a cooling and shaping mechanism is arranged at one end of the transferring frame, the cooling and shaping mechanism comprises a mounting frame, a lifting air cylinder is fixedly mounted at the top of the mounting frame, the output end of the lifting air cylinder is fixedly connected with a shaping pressing mold, and air supply cooling assemblies are fixedly mounted on the two sides of the inner wall of the mounting frame; by arranging the cooling and shaping mechanism, in the conveying process after the workpiece is shaped, a lifting air cylinder is used for driving a shaping pressing die to press downwards, secondary shaping is conducted on the workpiece, then deformation of the workpiece is corrected, the workpiece in the secondary shaping process is cooled by arranging an air supply fan, a refrigerator and other structures in a matched mode, and the shaping effect is improved. And the workpiece form is stable.

Description

Technical Field

[0001] The invention relates to the technical field of stamping and forming, and in particular to automatic stamping and forming equipment for a compressor bottom shell and a use method thereof. Background Art

[0002] The stamping forming of the compressor bottom shell is a manufacturing process that uses molds and presses to plastically deform metal sheets. This forming method has the advantages of high efficiency, high precision and low cost. It is widely used in the fields of automobiles, home appliances, aerospace, etc., and is an important link in compressor manufacturing.

[0003] The basic structure of the existing compressor bottom shell stamping forming equipment includes a conveyor line for conveying workpieces and stamping processing equipment arranged at various locations of the conveyor line to achieve the processing and forming of the workpiece material. Since the compressor bottom shell workpiece is large in size, it is easy to deform and twist due to stress and other external forces during the conveying process after stamping. The existing solution is to place a number of pressure blocks on the top of the workpiece after stamping to suppress the deformation of the workpiece; however, this method is more troublesome, and the placement and removal of the pressure blocks consumes manpower and takes up production time, so it is necessary to propose improvements. Summary of the invention

[0004] The purpose of the present invention is to provide an automatic stamping and forming device for a compressor bottom shell and a method for using the same, so as to solve the problem in the prior art mentioned in the above background technology that the workpiece after stamping is prone to deformation and distortion.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A compressor bottom shell automatic stamping and forming equipment comprises a transfer frame, a stamping frame is arranged in the middle of the transfer frame, a stamping assembly for stamping and forming the compressor bottom shell is fixedly installed inside the stamping frame, a plurality of equidistantly arranged transfer rollers are rotatably installed on the inner wall of the transfer frame, and the transfer rollers drive the bottom mold to move along the transfer frame by rotation; a cooling and forming mechanism is arranged at one end of the transfer frame, and the cooling and forming mechanism comprises a mounting frame, a lifting cylinder is fixedly installed on the top of the mounting frame, and a forming die is fixedly connected to the output end of the lifting cylinder, and air supply and cooling components are fixedly installed on both sides of the inner wall of the mounting frame.

[0007] As a further solution of the present invention: the air supply and cooling component includes an air supply frame, one side of the air supply frame is provided with an air inlet, a supply fan is fixedly installed in the middle of the inner wall of the air supply frame, and the other side of the air supply frame is provided with a cold air outlet, and the inner wall of the cold air outlet is inclined toward the direction of the molding die.

[0008] As a further solution of the present invention: semiconductor refrigerators are fixedly installed at both ends of the air supply frame, the cold end of the semiconductor refrigerator faces the inside of the air supply frame, and the hot end of the semiconductor refrigerator is fixedly connected to a heat sink, which extends to the outside of the mounting frame.

[0009] As a further solution of the present invention: a preheating and cleaning mechanism for preheating and cleaning the workpiece before stamping is provided at the other end of the transfer rack, the preheating and cleaning mechanism comprises a cover plate, a preheating assembly is fixedly installed on the side of the inner wall of the cover plate close to the stamping mechanism, the preheating assembly comprises a preheating rack, a plurality of electric heating tubes are rotatably installed on the bottom of the inner wall of the preheating rack, and gaps are left between the plurality of electric heating tubes, a partition plate is fixedly installed on the middle part of the inner wall of the preheating rack, a plurality of air guide grooves are opened in the middle part of the partition plate, and the bottoms of the plurality of air guide grooves are respectively arranged corresponding to the plurality of gaps, a plurality of air inlet pipes are fixedly connected to the top of the preheating rack, one end of the plurality of air inlet pipes are fixedly connected to the output end of an external air pump, and a cleaning assembly is fixedly installed on the end of the inner wall of the cover plate away from the preheating assembly.

[0010] As a further solution of the present invention: the cleaning assembly includes a cleaning frame, a cleaning roller is rotatably installed at one end of the inner wall of the cleaning frame, a turntable frame is fixedly connected to the middle of the inner wall of the cleaning frame, a plurality of cleaning motors are fixedly installed at the bottom of the turntable frame, and a cleaning turntable is fixedly installed at the output ends of the plurality of cleaning motors.

[0011] As a further solution of the present invention: a cleaning nozzle is fixedly installed inside the cleaning frame between the cleaning roller and the turntable frame, a dewatering roller is rotatably installed on the other end of the inner wall of the cleaning frame, and a dewatering cushion is fixedly connected to the outer wall of the dewatering roller.

[0012] As a further solution of the present invention: an induced draft component is arranged between the preheating component and the cleaning component, the induced draft component includes an induced draft hood, a drainage air pump is fixedly installed on the middle part of the inner wall of the induced draft hood, one end of the induced draft hood close to the preheating component is fixedly connected to a drainage pipe, a side of the inner wall of the induced draft hood close to the drainage pipe is fixedly connected to a dust screening net, and the other end of the induced draft hood is fixedly connected to an air outlet pipe.

[0013] As a further solution of the present invention: one end of the drainage pipe is inclined toward the bottom of the preheating rack, one end of the air outlet pipe is fixedly connected to an air outlet plate, and an air outlet guide groove is provided on the side of the air outlet plate close to the cleaning component. The air outlet guide groove is arranged in a flat shape and its length direction is parallel to the width direction of the transfer rack.

[0014] As a further solution of the present invention: a spreading assembly is fixedly installed on both sides of the stamping frame, and the spreading assembly includes a fixed frame, one end of the inner wall of the fixed frame is rotatably connected with a spreading pipe, one side of the spreading pipe is fixedly connected with a plurality of atomizing nozzles, the middle part of the spreading pipe is fixedly connected with a conveying pipe, one side of the conveying pipe is fixedly connected with a plurality of atomizing nozzles through a plurality of connecting pipes; a direction adjustment motor is fixedly installed on the other end of the inner wall of the fixed frame, and the output end of the direction adjustment motor is fixedly connected to one end of the spreading pipe.

[0015] As a further solution of the present invention: a plurality of groups of symmetrically arranged positioning components are fixedly installed on the transfer frame below the stamping frame, the positioning components include a shell, an electric push rod is fixedly installed on the inner wall of the shell, the output end of the electric push rod is fixedly connected to the pushing frame, one side of the pushing frame is fixedly connected to a docking block, and a plurality of docking grooves are provided on both sides of the bottom mold, and the plurality of docking grooves are respectively arranged corresponding to the plurality of docking blocks.

[0016] A method for using a compressor bottom shell automatic stamping forming device comprises the following steps:

[0017] Step 1: Place the workpiece to be stamped on the bottom die, and the bottom die and the workpiece are moved by the rotation of the transfer roller;

[0018] Step 2: When the bottom mold and the workpiece are moved into the preheating and cleaning mechanism, the workpiece is cleaned and dusted by the cleaning component;

[0019] Step 3: Preheat the cleaned workpiece by preheating the components:

[0020] Step 4: When the bottom die and the workpiece move to the position of the stamping mechanism, the bottom die is positioned by the positioning assembly;

[0021] Step 5: The stamping mechanism starts stamping the workpiece;

[0022] Step 6: When the workpiece after stamping is moved to the inside of the cooling and shaping mechanism driven by the transfer roller, the air supply component supplies air for cooling, and at the same time, the lifting cylinder drives the shaping die to descend, and the workpiece is shaped again. Then the lifting cylinder drives the shaping die to reset, and the transfer roller drives the bottom die and the workpiece after stamping to be sent out.

[0023] Compared with the prior art, the present invention has the following beneficial effects: the present invention sets a cooling and shaping mechanism, and in the process of conveying the workpiece after the shaping is completed, uses a lifting cylinder to drive the shaping die to press down, performs secondary shaping on the workpiece, and then corrects the deformation of the workpiece itself, and cooperates with the setting of a fan and a refrigerator and other structures to cool the workpiece in the secondary shaping process, so that the shape of the workpiece is stable;

[0024] The present invention preheats the workpiece before stamping by arranging a preheating component, thereby improving the plastic deformation capacity of the workpiece material, making the workpiece easier to form during the stamping process, improving toughness and ductility, making the metal more evenly stressed during processing, and less likely to crack and break; airflow is introduced through an air inlet pipe and then sent out through a plurality of air guide grooves, and high-temperature air near the electric heating pipe is blown toward the workpiece, thereby realizing a rapid preheating operation of the workpiece;

[0025] The cleaning component of the present invention utilizes the rotation of the cleaning roller and the cleaning turntable to rub the top surface of the workpiece to remove the dust and oil attached thereto, thereby avoiding the problem that the stains after stamping and forming are difficult to remove; by setting the air induced component, the air outlet pipe is used to transport air flow to the top surface of the workpiece, and the dust and debris generated in the cleaning process are blown away and separated; by setting the positions of the drainage pipe and the air outlet pipe, the drainage component can be connected to the high-temperature air near the preheating rack, and while blowing and cleaning the dust on the surface of the workpiece, the heat of the high-temperature air is used to assist in raising the temperature of the workpiece, thereby assisting the subsequent preheating work. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A perspective view of the present invention;

[0027] Figure 2 It is a cross-sectional view of the cooling and shaping mechanism of the present invention;

[0028] Figure 3 It is a cross-sectional view of the preheating and cleaning mechanism of the present invention;

[0029] Figure 4 is a cross-sectional view of the dispensing assembly of the present invention;

[0030] Figure 5 It is a cross-sectional view of the positioning assembly of the present invention.

[0031] In the figure: 101, transfer rack; 102, transfer roller; 103, stamping rack; 104, positioning assembly; 1041, shell; 1042, docking block; 1043, electric push rod; 1044, push rack; 105, stamping assembly; 2, preheating and cleaning mechanism; 201, cover plate; 202, preheating rack; 203, partition plate; 204, electric heating pipe; 205, air inlet pipe; 206, air hood; 207, drainage pipe; 208, drainage air pump; 209, air outlet pipe; 210, water removal roller; 211, air filter; 212, air filter; 213, air filter; 214, air filter; 215, air filter; 216, air filter; 217, air filter; 218, air filter; 219, air filter; 220, air filter; 221, air filter; 222, air filter; 223, air filter; 224, air filter; 225, air filter; 226, air filter; 227, air filter; 228, air filter; 229, air filter; 230, air filter; 231, air filter; 232, air filter; 233, air filter; 234, air filter; 235, air filter; 236, air filter; 237, air filter; 238, air filter; 239, air filter; 240, air filter; 241, air filter; 242, air filter; 243, air filter; 244, air filter; 245, air filter; 246, air filter; 247, air filter; 248, air filter; 249, air filter; 250, air filter; 251, air filter; 1. Cleaning rack; 212. Cleaning roller; 213. Cleaning nozzle; 214. Cleaning turntable; 215. Dust screen; 216. Air outlet plate; 3. Cooling and shaping mechanism; 301. Mounting rack; 302. Lifting cylinder; 303. Air supply rack; 304. Air inlet; 305. Air supply fan; 306. Semiconductor refrigerator; 307. Cold air outlet; 308. Shaping die; 309. Heat sink; 4. Sprinkling assembly; 401. Fixing rack; 402. Direction adjustment motor; 403. Delivery pipe; 404. Sprinkling pipe. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1 In the embodiment of the present invention, an automatic stamping and forming device for a compressor bottom shell includes a transfer frame 101, a stamping frame 103 is arranged in the middle of the transfer frame 101, and a stamping assembly 105 for stamping and forming the compressor bottom shell is fixedly installed inside the stamping frame 103. The stamping assembly 105 includes an upper mold and a stamping cylinder for driving the upper mold to move up and down. The existing technical means are specifically adopted for implementation. A plurality of equidistantly arranged transfer rollers 102 are rotatably installed on the inner wall of the transfer frame 101. The transfer rollers 102 drive the bottom mold to move along the transfer frame 101 by rotating. When the bottom mold moves to the position of the stamping assembly 105, the stamping assembly 105 drives the upper mold to fall and cooperate with the bottom mold to realize the stamping and forming of the workpiece; a cooling and shaping mechanism 3 is arranged at one end of the transfer frame 101, please refer to Figure 2 The cooling and shaping mechanism 3 includes a mounting frame 301, a lifting cylinder 302 is fixedly installed on the top of the mounting frame 301, and a shaping die 308 is fixedly connected to the output end of the lifting cylinder 302. Since the compressor bottom shell workpiece is large, it is easy to be distorted and deformed due to stress during the transportation process after stamping, which affects the quality of the finished workpiece; the cooling and shaping mechanism 3 of the present application uses the lifting cylinder 302 to drive the shaping die 308 to press down, perform secondary shaping on the workpiece, and correct the deformation of the workpiece

[0034] The present application has air supply and cooling components fixedly installed on both sides of the inner wall of the mounting frame 301, and the air supply and cooling components include an air supply frame 303, one side of the air supply frame 303 is provided with an air inlet 304, a supply fan 305 is fixedly installed in the middle of the inner wall of the air supply frame 303, and the other side of the air supply frame 303 is provided with a cold air outlet 307, and the inner wall of the cold air outlet 307 is inclined toward the forming die 308. By arranging structures such as the supply fan 305, air supply and cooling are performed on the internal space of the mounting frame 301 and the forming die 308, so that the workpiece in the secondary forming process is cooled and the shape of the workpiece is made more stable.

[0035] In order to reduce the air flow temperature of the air supply frame 303 and further reduce the cooling effect on the molding press and the workpiece, semiconductor refrigerators 306 are fixedly installed at both ends of the air supply frame 303. According to the refrigeration principle of the semiconductor refrigerator 306, its refrigeration working end and heating end are called the cold end and the hot end respectively. The cold end of the semiconductor refrigerator 306 faces the inside of the air supply frame 303, and the hot end of the semiconductor refrigerator 306 is fixedly connected with a heat sink 309, which extends to the outside of the mounting frame 301 to facilitate heat dissipation at the hot end.

[0036] See also Figure 3 The other end of the transfer rack 101 is provided with a preheating and cleaning mechanism 2 for preheating and cleaning the workpiece before stamping. The preheating and cleaning mechanism 2 includes a cover plate 201. A preheating component is fixedly installed on one side of the inner wall of the cover plate 201 close to the stamping mechanism. The preheating component includes a preheating rack 202. A plurality of electric heating tubes 204 are rotatably installed at the bottom of the inner wall of the preheating rack 202. By providing the preheating component, the workpiece is preheated before stamping, thereby improving the plastic deformation ability of the workpiece material, making it easier to form the workpiece during the stamping process, improving toughness and ductility, making the metal more evenly stressed during processing, and not prone to cracks and fractures; There are gaps between the several electric heating tubes 204. In order to fully utilize the heat of the electric heating tubes 204, a partition plate 203 is fixedly installed in the middle of the inner wall of the preheating rack 202. A number of air guide grooves are opened in the middle of the partition plate 203. The bottoms of the several air guide grooves are respectively arranged corresponding to the several gaps. The top of the preheating rack 202 is fixedly connected with a number of air inlet pipes 205. One ends of the several air inlet pipes 205 are fixedly connected to the output end of an external air pump. The air flow is sent in through the air inlet pipes 205 and then sent out by the several air guide grooves, so that the high-temperature air near the electric heating tubes 204 is blown to the workpiece, thereby realizing the rapid preheating operation of the workpiece.

[0037] In order to clean the dust attached to the workpiece, a cleaning component is fixedly installed on one end of the inner wall of the cover plate 201 away from the preheating component, and the cleaning component includes a cleaning frame 211, and a cleaning roller 212 is rotatably installed on one end of the inner wall of the cleaning frame 211. A turntable frame is fixedly connected to the middle of the inner wall of the cleaning frame 211, and a plurality of cleaning motors are fixedly installed at the bottom of the turntable frame. Cleaning turntables 214 are fixedly installed at the output ends of the plurality of cleaning motors. The top surface of the workpiece is rubbed by the rotation of the cleaning roller 212 and the cleaning turntable 214 to remove the dust and oil attached to the workpiece, thereby avoiding the problem of difficult removal of stains after stamping.

[0038] A cleaning nozzle 213 is fixedly installed inside the cleaning frame 211 between the cleaning roller 212 and the turntable frame, and clean water or cleaning agent is fed through the cleaning nozzle 213 to improve the cleaning effect of the workpiece; a dewatering roller 210 is rotatably installed on the other end of the inner wall of the cleaning frame 211, and a dewatering pad is fixedly connected to the outer wall of the dewatering roller 210. The residual water on the workpiece is removed by the rotation of the dewatering roller 210 and the dewatering pad is used.

[0039] An induced draft component is arranged between the preheating component and the cleaning component, and the induced draft component includes an induced draft hood 206, a drainage air pump 208 is fixedly installed in the middle of the inner wall of the induced draft hood 206, one end of the induced draft hood 206 close to the preheating component is fixedly connected to a drainage pipe 207, a side of the inner wall of the induced draft hood 206 close to the drainage pipe 207 is fixedly connected to a dust screening net 215, and the other end of the induced draft hood 206 is fixedly connected to an air outlet pipe 209; by setting up the induced draft component, the air outlet pipe 209 is used to transport airflow to the top surface of the workpiece, so that dust and debris generated during the cleaning process are blown away and separated.

[0040] One end of the drainage pipe 207 is tilted toward the bottom of the preheating rack 202, and one end of the air outlet pipe 209 is fixedly connected to an air outlet plate 216. An air outlet guide groove is provided on the side of the air outlet plate 216 close to the cleaning component. The air outlet guide groove is arranged to be flat and its length direction is parallel to the width direction of the transfer rack 101. By setting the positions of the drainage pipe 207 and the air outlet pipe 209, the drainage component can be connected to the high-temperature air near the preheating rack 202, and while blowing and cleaning the dust on the surface of the workpiece, the heat of the high-temperature air is used to assist in raising the temperature of the workpiece.

[0041] See also Figure 1 and Figure 4, a spreading assembly 4 is fixedly installed on both sides of the stamping frame 103, and the spreading assembly 4 includes a fixed frame 401, one end of the inner wall of the fixed frame 401 is rotatably connected with a spreading pipe 404, one side of the spreading pipe 404 is fixedly connected with a plurality of atomizing nozzles, the middle part of the spreading pipe 404 is fixedly connected with a delivery pipe 403, and one side of the delivery pipe 403 is fixedly connected with a plurality of atomizing nozzles through a plurality of connecting pipes; a direction adjustment motor 402 is fixedly installed on the other end of the inner wall of the fixed frame 401, and the output end of the direction adjustment motor 402 is fixedly connected with one end of the spreading pipe 404; by setting the spreading assembly 4, lubricating oil is sprayed to the top surface of the workpiece to reduce the friction and wear between the metal and the mold; at the same time, the stamping oil can effectively absorb and take away the heat generated during the stamping process, reduce the temperature of the workpiece and the mold, thereby preventing deformation and thermal cracks caused by overheating.

[0042] See also Figure 1 and Figure 5 In order to ensure the position stability of the bottom die and the workpiece during the stamping process, a plurality of symmetrically arranged positioning components 104 are fixedly installed on the transfer frame 101 below the stamping frame 103, and the positioning component 104 includes a shell 1041, and an electric push rod 1043 is fixedly installed on the inner wall of the shell 1041. The output end of the electric push rod 1043 is fixedly connected to a pushing frame 1044, and one side of the pushing frame 1044 is fixedly connected to a docking block 1042. The side of the docking block 1042 close to the bottom die is set as an arc surface, and a plurality of docking grooves are provided on both sides of the bottom die, and the plurality of docking grooves are respectively set corresponding to the plurality of docking blocks 1042. The docking block 1042 is pushed out by the electric push rod 1043 to be inserted into the docking grooves on both sides of the bottom die, so as to realize the limit fixation of the bottom die and the workpiece.

[0043] When the present invention is used: the workpiece to be punched is placed on the bottom die, and the bottom die and the workpiece are driven to move by the transfer roller 102; when the bottom die and the workpiece are moved to the inside of the preheating and cleaning mechanism 2, they first pass through the cleaning assembly, and the cleaning roller 212 rotates, and the cleaning motor drives the cleaning turntable 214 to rotate, so as to clean and remove dust from the surface of the workpiece, and at the same time, the drainage air pump 208 is started to convey airflow to the top surface of the workpiece through the air outlet slot to clean the debris generated by cleaning;

[0044] When the workpiece passes through the preheating assembly, the electric heating tube 204 starts to heat up, and the air flow is sent in through the air inlet pipe 205, and then sent out by a number of air guide grooves, so that the high-temperature air near the electric heating tube 204 is blown to the workpiece to achieve preheating of the workpiece; then the transfer roller 102 continues to rotate, driving the bottom mold and the workpiece to move to the inside of the stamping mechanism, and the electric push rod 1043 in the positioning assembly 104 is started to drive the push frame 1044 and the docking block 1042 to be ejected, so that they are clamped with the docking groove on the edge of the bottom mold, so as to achieve the fixation of the bottom mold and the workpiece, and then the stamping assembly 105 drives the upper mold to press down, and cooperates with the bottom mold to complete the stamping forming of the workpiece;

[0045] The transfer roller 102 rotates to move the stamped workpiece to the inside of the cooling and shaping mechanism 3, where the fan 305 and the semiconductor cooler 306 are started to cool the inside of the mounting frame 301 and to supply air, and then the shaping die 308 is driven down by the lifting cylinder 302 to perform secondary shaping on the workpiece and keep it for a period of time. After completion, the lifting cylinder 302 drives the shaping die 308 to reset, and the transfer roller 102 drives the bottom die and the stamped workpiece to be sent out.

[0046] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A compressor bottom shell automatic stamping forming equipment, characterized in that: The invention comprises a transfer frame (101), wherein a stamping frame (103) is arranged in the middle of the transfer frame (101), a stamping assembly (105) for stamping a compressor bottom shell is fixedly installed inside the stamping frame (103), and a plurality of transfer rollers (102) arranged at equal intervals are rotatably installed on the inner wall of the transfer frame (101); a cooling and shaping mechanism (3) is arranged at one end of the transfer frame (101), and the cooling and shaping mechanism (3) comprises a mounting frame (301), a lifting cylinder (302) is fixedly installed on the top of the mounting frame (301), a shaping die (308) is fixedly connected to the output end of the lifting cylinder (302), and air supply and cooling components are fixedly installed on both sides of the inner wall of the mounting frame (301).

2. The automatic stamping and forming equipment for compressor bottom shell according to claim 1, characterized in that: The air supply and cooling component comprises an air supply frame (303), one side of the air supply frame (303) is provided with an air inlet (304), a supply fan (305) is fixedly installed in the middle of the inner wall of the air supply frame (303), and the other side of the air supply frame (303) is provided with a cold air outlet (307), and the cold air outlet (307) is inclined toward the shaping die (308).

3. The automatic stamping and forming equipment for compressor bottom shell according to claim 2, characterized in that: Semiconductor coolers (306) are fixedly mounted on both ends of the air supply frame (303), the cold end of the semiconductor cooler (306) faces the interior of the air supply frame (303), and the hot end of the semiconductor cooler (306) is fixedly connected to a heat sink (309).

4. The automatic stamping and forming equipment for compressor bottom shell according to claim 1, characterized in that: The other end of the transfer rack (101) is provided with a preheating and cleaning mechanism (2) for preheating and cleaning the workpiece before stamping. The preheating and cleaning mechanism (2) comprises a cover plate (201). A preheating component is fixedly installed on the inner wall of the cover plate (201) close to the stamping mechanism. The preheating component comprises a preheating rack (202). A plurality of electric heating tubes (204) are rotatably installed at the bottom of the inner wall of the preheating rack (202). Gaps are left between the plurality of electric heating tubes (204). A partition plate (203) is fixedly installed in the middle of the inner wall of the preheating rack (202). A plurality of air guide grooves are opened in the middle of the partition plate (203). The bottoms of the plurality of air guide grooves are respectively arranged corresponding to the plurality of gaps. A cleaning component is fixedly installed on the inner wall of the cover plate (201) at one end away from the preheating component.

5. The automatic stamping and forming equipment for compressor bottom shell according to claim 4, characterized in that: The cleaning assembly comprises a cleaning frame (211), a cleaning roller (212) being rotatably mounted on one end of the inner wall of the cleaning frame (211), a turntable frame being fixedly connected to the middle of the inner wall of the cleaning frame (211), a plurality of cleaning motors being fixedly mounted on the bottom of the turntable frame, and a cleaning turntable (214) being fixedly mounted on the output ends of the plurality of cleaning motors.

6. The automatic stamping and forming equipment for compressor bottom shell according to claim 5, characterized in that: A cleaning nozzle (213) is arranged between the cleaning roller (212) and the turntable frame, a water removal roller (210) is rotatably mounted on the other end of the inner wall of the cleaning frame (211), and a water removal cushion is fixedly connected to the outer wall of the water removal roller (210).

7. The automatic stamping and forming equipment for compressor bottom shell according to claim 5, characterized in that: An air induced component is arranged between the preheating component and the cleaning component, and the air induced component comprises an air induced hood (206), a drainage air pump (208) is fixedly installed in the middle of the inner wall of the air induced hood (206), one end of the air induced hood (206) close to the preheating component is fixedly connected to a drainage pipe (207), one side of the inner wall of the air induced hood (206) close to the drainage pipe (207) is fixedly connected to a dust isolation net (215), the other end of the air induced hood (206) is fixedly connected to an air outlet pipe (209), one end of the air outlet pipe (209) is fixedly connected to an air outlet plate (216), and one side of the air outlet plate (216) is provided with an air outlet guide groove.

8. The automatic stamping and forming equipment for compressor bottom shell according to claim 1, characterized in that: A spreading assembly (4) is fixedly mounted on both sides of the punching frame (103), and the spreading assembly (4) comprises a fixed frame (401), one end of the inner wall of the fixed frame (401) is rotatably connected to a spreading pipe (404), one side of the spreading pipe (404) is fixedly connected to a plurality of atomizing nozzles, the middle of the spreading pipe (404) is fixedly connected to a delivery pipe (403), and one side of the delivery pipe (403) is fixedly connected to a plurality of atomizing nozzles via a plurality of connecting pipes; a direction adjustment motor (402) is fixedly mounted on the other end of the inner wall of the fixed frame (401), and the output end of the direction adjustment motor (402) is fixedly connected to one end of the spreading pipe (404).

9. The automatic stamping and forming equipment for compressor bottom shell according to claim 1, characterized in that: A positioning assembly (104) is provided on the transfer frame (101) below the punching frame (103), and the positioning assembly (104) comprises a shell (1041), an electric push rod (1043) is fixedly installed on the inner wall of the shell (1041), an output end of the electric push rod (1043) is fixedly connected to a pushing frame (1044), and one side of the pushing frame (1044) is fixedly connected to a docking block (1042).

10. A method for using a compressor bottom shell automatic stamping and forming device according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: placing the workpiece to be punched on the bottom die, and the bottom die and the workpiece are driven to move by the transfer roller (102); Step 2: When the bottom mold and the workpiece are moved into the preheating and cleaning mechanism (2), the workpiece is cleaned and dusted by the cleaning component; Step 3: Preheat the cleaned workpiece by preheating the components: Step 4: When the bottom die and the workpiece move to the position of the punching mechanism, the bottom die is positioned by the positioning assembly (104); Step 5: The stamping mechanism starts stamping the workpiece; Step 6: When the workpiece is driven by the transfer roller (102) to move into the cooling and shaping mechanism (3), the air supply assembly supplies air for cooling, and at the same time, the lifting cylinder (302) drives the shaping die (308) to descend, and the workpiece is shaped again. Then, the lifting cylinder (302) drives the shaping die (308) to reset, and the transfer roller (102) drives the bottom die and the stamped workpiece to be sent out.

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