Compressor crankshaft automatic production line

Abstract

The application discloses a compressor crankshaft automatic production line and relates to the technical field of crankshaft production. Multiple machine tools are equidistantly arranged on the left side of a conveying mechanism, and a grabbing mechanism is arranged on the outer side of each of the multiple machine tools. The compressor crankshaft automatic production line moves the clamping jaw above the crankshaft workpiece through the second motor, moves the clamping jaw downward through the second electric push rod, clamps the crankshaft workpiece through the clamping jaw, then moves the crankshaft workpiece to the clamp of the machine tool for clamping, takes out the crankshaft workpiece from the clamp of the machine tool through the grabbing mechanism after the machining is completed, and places the crankshaft workpiece on the bracket in the conveying mechanism. The crankshaft workpiece is moved to the next work station in cooperation with the conveying mechanism, and the process is repeated, so that the automatic clamping production of the crankshaft workpiece can be continuously carried out. When the machining of the crankshaft workpiece is completed in the last machine tool, an operator at the end of the line can take down the crankshaft workpiece, so that the manual operation link is reduced, and the work efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of crankshaft production, in particular to a compressor crankshaft automatic production line. BACKGROUND

[0002] The compressor crankshaft is a key component in the compressor, used to convert the rotary motion of the motor into reciprocating motion of the compressor. It is usually made of high-strength alloy steel, with high hardness and wear resistance. The main parts of the compressor crankshaft include the crank, connecting rod and journal. The crank connects the motor output shaft and pushes the connecting rod to move through reciprocating rotation. The connecting rod connects the crank at one end and the piston at the other end.

[0003] Currently, for the machining of the compressor crankshaft, it is usually necessary to rely on manual clamping of the workpiece into the machine tool for machining operation. This traditional manual clamping method requires a lot of time and effort to ensure the correct clamping position, not only increasing the workload, but also easily causing unstable clamping or position deviation problems, thereby affecting the machining quality and efficiency.

[0004] Therefore, we propose a compressor crankshaft automatic production line to solve the problems mentioned above. SUMMARY

[0005] The purpose of the present application is to provide a compressor crankshaft automatic production line to solve the problem of the machining of the compressor crankshaft, which usually needs to rely on manual clamping of the workpiece into the machine tool for machining operation. This traditional manual clamping method requires a lot of time and effort to ensure the correct clamping position.

[0006] In order to achieve the above object, the present application provides the following technical scheme: The compressor crankshaft automatic production line comprises a conveying mechanism: a plurality of machine tools are symmetrically arranged on the left side of the conveying mechanism, a plurality of grabbing mechanisms are arranged on the outer side of the machine tools, the grabbing mechanisms comprise a portal frame, sliding rails are symmetrically and fixedly installed on the front surface of the portal frame, a sliding plate is slidably arranged between the outer surfaces of the two sliding rails, a second motor is fixedly installed on the front surface of the portal frame near the right side, a lead screw is fixedly installed on the output end of the second motor, the outer surface of the lead screw is threadedly penetrated through the outer surface of the sliding plate and extends to the other side, a guide block is rotatably arranged on the outer surface of the lead screw near the end, the guide block is fixedly installed on the portal frame, a second connecting plate is fixedly installed on the front surface of the sliding plate, a support plate is fixedly connected to the bottom of the second connecting plate, a second electric push rod is fixedly installed on the top of the support plate near the middle, the telescopic end of the second electric push rod slidably penetrates through the top of the support plate and extends to the lower side, a connecting block is fixedly installed on the telescopic end of the second electric push rod, a sliding groove is formed in the bottom of the connecting block, a bidirectional threaded rod is arranged in the sliding groove, a third motor is fixedly installed on the front surface of the connecting block, the output end of the third motor penetrates through the front surface of the connecting block and extends to the inside, the output end of the third motor is fixedly installed with the bidirectional threaded rod, the outer surface of the bidirectional threaded rod is symmetrically and threadedly connected with a sliding block, the sliding block is slidably arranged in the sliding groove, and a clamping jaw is fixedly installed on the bottom of the sliding block.

[0007] Preferably, the conveying mechanism comprises a support frame, a plurality of supporting legs are fixedly connected to the outer surfaces of the left and right sides of the support frame, recesses are formed in the outer surfaces of the front and rear sides of the support frame, chains are symmetrically arranged on the outer surface of the support frame, rotating shafts are rotatably arranged between the inner walls of the recesses, sprockets are symmetrically and fixedly installed on the outer surface of the rotating shafts, the sprockets are engaged with the chains, a first motor is fixedly installed on the outer surface of the right side of the support frame, and the output end of the first motor penetrates through the outer surface of the support frame and is fixedly connected with the end of one of the rotating shafts.

[0008] Preferably, a plurality of brackets are fixedly connected to the outer surface of the chain at equal intervals, and a crankshaft workpiece is arranged on the top of each bracket above the chain.

[0009] Preferably, a machining door is arranged on the front surface of each of the plurality of machine tools, a first electric push rod is fixedly installed on the top of the machine tool, a first connecting plate is fixedly installed on the telescopic end of the first electric push rod, and the bottom of the first connecting plate is fixedly connected with the top of the machining door.

[0010] Preferably, a first travel switch is fixedly installed on the front surface of each of the plurality of portal frames near the right side, and a second travel switch is fixedly installed on the front surface of the portal frame near the left side.

[0011] Preferably, the rear surface of each of the plurality of second connecting plates is fixedly installed with a third travel switch, which cooperates with the first travel switch and the second travel switch.

[0012] Preferably, the bottom of each of the plurality of support plates near the front side is fixedly installed with a mounting plate, and the top of each of the plurality of connecting blocks near the front side is fixedly installed with an L-shaped support.

[0013] Preferably, the rear surface of each of the plurality of L-shaped supports near the bottom is fixedly installed with a fifth travel switch, the rear surface of each of the L-shaped supports near the top is fixedly installed with a sixth travel switch, and the front surface of each of the plurality of mounting plates is fixedly installed with a fourth travel switch, which cooperates with the fifth travel switch and the sixth travel switch.

[0014] Preferably, the top of each of the plurality of support plates is fixedly connected with a reinforcing rib, and the rear surface of the reinforcing rib is fixedly connected with the front surface of the second connecting plate.

[0015] Preferably, the left and right outer surfaces of each of the plurality of connecting blocks are fixedly installed with a third connecting plate, the top of the third connecting plate is fixedly installed with a guide rod, and the outer surface of the guide rod is slidably penetrated through the bottom of the support plate and extends upward.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] 1. The second motor drives the clamping jaw to move above the crankshaft workpiece, the second electric push rod drives the clamping jaw to move downward, the clamping jaw clamps the crankshaft workpiece, then the crankshaft workpiece is moved to the fixture of the machine tool for clamping, after processing, the crankshaft workpiece is taken out from the fixture of the machine tool by the grabbing mechanism and placed on the bracket in the conveying mechanism, then the crankshaft workpiece is moved to the next station by the conveying mechanism, and the cycle is repeated, so that the automatic clamping production of the crankshaft workpiece can be continuously carried out, and when the crankshaft workpiece is processed in the last machine tool, the operator of the line tail can take down the crankshaft workpiece, thereby reducing the manual operation link and improving the work efficiency.

[0018] 2. The third travel switch cooperates with the first travel switch and the second travel switch to improve the lateral precision of the grabbing mechanism in moving the crankshaft workpiece, avoid overtravel of the crankshaft workpiece, and ensure that the crankshaft workpiece can be accurately moved above the fixture or bracket of the machine tool, thereby improving the precision of clamping and grabbing and placing the crankshaft workpiece.

[0019] 3. By coordinating the fourth stroke switch with the fifth stroke switch and the sixth stroke switch, the accuracy of the grasping mechanism in driving the crankshaft workpiece up and down can be improved, avoiding overtravel of the crankshaft workpiece, and ensuring that the crankshaft workpiece can be accurately moved to the surface of the machine tool fixture or bracket, thereby further improving the accuracy of clamping and grasping the crankshaft workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A perspective view of the automatic production line for compressor crankshafts of the present invention;

[0021] Figure 2 This is a schematic structural diagram of the conveying mechanism of the compressor crankshaft automatic production line of the present invention;

[0022] Figure 3 This is a schematic diagram of the machine tool structure of the compressor crankshaft automatic production line of the present invention;

[0023] Figure 4 This is a schematic diagram of the structure of the gripping mechanism of the compressor crankshaft automatic production line of the present invention;

[0024] Figure 5 This is a schematic structural diagram of another part of the gripping mechanism of the compressor crankshaft automatic production line of the present invention;

[0025] Figure 6 This is a bottom view of the support plate of the automatic production line for the compressor crankshaft of the present invention;

[0026] Figure 7 It is a partial structural expansion diagram of the compressor crankshaft automatic production line of the present invention.

[0027] In the picture:

[0028] 1. Conveying mechanism; 101. Support frame; 102. Groove; 103. Support leg; 104. Rotating shaft; 105. Sprocket; 106. First motor; 107. Chain; 108. Bracket; 2. Machine tool; 21. Processing chamber door; 22. First electric push rod; 23. First connecting plate; 3. Grasping mechanism; 301. Gantry; 302. Slide rail; 303. Slide plate; 304. Second motor; 305. Screw; 306. Guide block; 307. First travel switch; 308. Second travel switch ; 309, second connecting plate; 310, third stroke switch; 311, support plate; 312, reinforcing rib; 313, mounting plate; 314, fourth stroke switch; 315, second electric push rod; 316, connecting block; 317, third connecting plate; 318, guide rod; 319, L-shaped bracket; 320, fifth stroke switch; 321, sixth stroke switch; 322, slide; 323, bidirectional threaded rod; 324, third motor; 325, slider; 326, clamp; 4, crankshaft workpiece. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to 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 the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0030] Please refer to Figures 1-7 The present application provides a technical solution: a compressor crankshaft automatic production line, comprising a conveying mechanism 1: a plurality of machine tools 2 are symmetrically arranged on the left side of the conveying mechanism 1, and a plurality of grabbing mechanisms 3 are arranged on the outer sides of the plurality of machine tools 2; each of the plurality of grabbing mechanisms 3 comprises a gantry 301, a slide rail 302 is symmetrically and fixedly installed on the front surface of the gantry 301, a slide plate 303 is slidably arranged between the outer surfaces of the two slide rails 302, a second motor 304 is fixedly installed on the front surface of the gantry 301 near the right side, a lead screw 305 is fixedly installed at the output end of the second motor 304, the outer surface of the lead screw 305 is threaded through the outer surface of the slide plate 303 and extends to the other side, a guide block 306 is rotatably arranged on the outer surface of the lead screw 305 near the end portion, the guide block 306 is fixedly installed on the gantry 301, a second connecting plate 309 is fixedly installed on the front surface of the slide plate 303, a support plate 311 is fixedly connected to the bottom of the second connecting plate 309, a second electric push rod 315 is fixedly installed on the top of the support plate 311 near the middle, the second electric push rod 315 is slidably connected to the top of the support plate 311 and extends to the lower side, a connecting block 316 is fixedly installed at the extension end of the second electric push rod 315, a sliding groove 322 is formed in the bottom of the connecting block 316, a bidirectional threaded rod 323 is arranged in the sliding groove 322, a third motor 324 is fixedly installed on the front surface of the connecting block 316, the output end of the third motor 324 extends to the inside through the front surface of the connecting block 316, the output end of the third motor 324 is fixedly installed with the bidirectional threaded rod 323, a sliding block 325 is symmetrically and threadedly connected to the outer surface of the bidirectional threaded rod 323, the sliding block 325 is slidably arranged in the sliding groove 322, and a clamping jaw 326 is fixedly installed on the bottom of the sliding block 325.

[0031] As Figure 2As shown, the conveying mechanism 1 comprises a support frame 101, the left and right outer surfaces of the support frame 101 are fixedly connected with a plurality of supporting legs 103, the front and rear outer surfaces of the support frame 101 are provided with grooves 102, the outer surface of the support frame 101 is symmetrically provided with a chain 107, the inner walls of the grooves 102 are rotatably provided with shafts 104, the outer surfaces of the shafts 104 are fixedly installed with sprockets 105, the sprockets 105 are engaged with the chain 107, the right outer surface of the support frame 101 is fixedly installed with a first motor 106, the output end of the first motor 106 penetrates the outer surface of the support frame 101 and is fixedly connected with the end of one of the shafts 104, the supporting legs 103 are provided to support the conveying mechanism 1 as a whole, the shafts 104 are driven to rotate by starting the first motor 106, and the chain 107 is driven to move by cooperating with the sprockets 105, and then the plurality of carriages 108 on the surface of the chain 107 are driven to move backward.

[0032] As shown in Figure 2 , the outer surface of the chain 107 is fixedly connected with a plurality of carriages 108 equidistantly, the top of each carriage 108 above the chain 107 is provided with a crankshaft workpiece 4, the grooves on the top of the carriage 108 can be used to place the crankshaft workpiece 4, and the carriage 108 is at the same horizontal height as the fixture of the machine tool 2.

[0033] As shown in Figure 3 , the front surfaces of the plurality of machine tools 2 are provided with processing doors 21, the top of the machine tool 2 is fixedly installed with a first electric push rod 22, the extension end of the first electric push rod 22 is fixedly installed with a first connecting plate 23, the bottom of the first connecting plate 23 is fixedly connected with the top of the processing door 21, and the processing door 21 can be opened by starting the first electric push rod 22 to drive the first connecting plate 23 to move.

[0034] As shown in Figure 4 , the front surfaces of the plurality of gantry frames 301 are fixedly installed with first travel switches 307 near the right side, and the front surfaces of the gantry frames 301 are fixedly installed with second travel switches 308 near the left side.

[0035] As shown in Figure 4 and Figure 6 , the rear surfaces of the plurality of second connecting plates 309 are fixedly installed with third travel switches 310, the third travel switches 310 are respectively matched with the first travel switches 307 and the second travel switches 308, and the third travel switches 310 are matched with the first travel switches 307 and the second travel switches 308, which can improve the lateral accuracy of the grabbing mechanism 3 in moving the crankshaft workpiece 4, avoid overtravel of the crankshaft workpiece 4, and ensure that the crankshaft workpiece 4 can be accurately moved to the exact position above the fixture or the carriage 108 of the machine tool 2, thereby improving the accuracy of clamping and grabbing the crankshaft workpiece 4.

[0036] As shown in Figure 6 and Figure 7 The bottom of the plurality of support plates 311 is fixedly installed with the mounting plate 313 near the front side, the top of the plurality of connecting blocks 316 is fixedly installed with the L-shaped bracket 319 near the front side, the mounting plate 313 is provided to install the fourth travel switch 314, and the L-shaped bracket 319 is provided to install the fifth travel switch 320 and the sixth travel switch 321.

[0037] As shown in Figure 6 and Figure 7 The rear surface of the plurality of L-shaped brackets 319 is fixedly installed with the fifth travel switch 320 near the bottom, the rear surface of the L-shaped bracket 319 is fixedly installed with the sixth travel switch 321 near the top, and the front surface of the plurality of mounting plates 313 is fixedly installed with the fourth travel switch 314. The fourth travel switch 314 cooperates with the fifth travel switch 320 and the sixth travel switch 321, and the cooperation of the fourth travel switch 314, the fifth travel switch 320 and the sixth travel switch 321 can improve the precision of the grabbing mechanism 3 when driving the up and down movement of the crankshaft workpiece 4, avoid the movement of the crankshaft workpiece 4 beyond the range, and ensure that the crankshaft workpiece 4 can be accurately moved to the surface of the fixture or the bracket 108 of the machine tool 2, thereby further improving the precision of clamping and grabbing the crankshaft workpiece 4.

[0038] As shown in Figure 5 and Figure 6 The top of the plurality of support plates 311 is fixedly connected with the reinforcing rib 312, the rear surface of the reinforcing rib 312 is fixedly connected with the front surface of the second connecting plate 309, and the reinforcing rib 312 is provided to reinforce the support plate 311.

[0039] As shown in Figure 5 and Figure 7 The outer surface of the left and right sides of the plurality of connecting blocks 316 is fixedly installed with the third connecting plate 317, the top of the third connecting plate 317 is fixedly installed with the guide rod 318, the outer surface of the guide rod 318 is slidably penetrated through the bottom of the support plate 311 and extends upward, and the connecting block 316 is guided and limited by the guide rod 318 when moving up and down, thereby improving the stability of the connecting block 316.

[0040] The method for using the device and the working principle: one operator is arranged at the head of the production line and the tail of the production line, the operator at the head of the production line places the crankshaft workpiece 4 to be processed in the groove on the bracket 108, drives the rotating shaft 104 to rotate by starting the first motor 106, cooperates with the sprocket 105 to drive the chain 107 to move, and then drives the multiple brackets 108 on the surface of the chain 107 to move backward, because the spacing of each bracket 108 is consistent with the spacing of each machine tool 2, when the bracket 108 moves to the right side of the machine tool 2, at this time, the bracket 108 stops moving, and the crankshaft workpiece 4 is directly below the grabbing mechanism 3, drives the screw 305 to rotate by starting the second motor 304, drives the sliding plate 303 to move to the conveying mechanism 1, until the third travel switch 310 and the first travel switch 307 are inductively coupled, at this time, the sliding plate 303 stops moving, and then drives the connecting block 316 to move downward by starting the second electric push rod 315, when the sixth travel switch 321 and the fourth travel switch 314 are inductively coupled, at this time, the connecting block 316 stops moving downward, and at the same time, the crankshaft workpiece 4 is just located between the two clamping jaws 326, then drives the bidirectional threaded rod 323 to rotate by starting the third motor 324, so as to drive the two sliding blocks 325 to move close to each other, and cooperates with the clamping jaw 326 to clamp the crankshaft workpiece 4, when the crankshaft workpiece 4 is clamped, drives the connecting block 316 to move upward by the second electric push rod 315, until the fifth travel switch 320 and the fourth travel switch 314 are inductively coupled, at this time, the height of the crankshaft workpiece 4 is higher than the height of the machine tool 2, then drives the sliding plate 303 to move to the machine tool 2 by the second motor 304, until the third travel switch 310 and the second travel switch 308 are inductively coupled, at this time, the sliding plate 303 stops moving, then drives the first connecting plate 23 to move by starting the first electric push rod 22, so as to open the machining door 21, then drives the connecting block 316 to move downward by the second electric push rod 315, until the sixth travel switch 321 and the fourth travel switch 314 are inductively coupled, at this time, the crankshaft workpiece 4 is just located in the clamp of the machine tool 2, and then cooperates with the hydraulic clamping system of the clamp to clamp and fix the crankshaft workpiece 4, then the connecting block 316 moves upward and resets, closes the machining door 21 by the first electric push rod 22, and cooperates with the machine tool 2 to machine the crankshaft workpiece 4, after machining, the crankshaft workpiece 4 is taken out from the clamp of the machine tool 2 by the grabbing mechanism 3, and is placed on the bracket 108 in the conveying mechanism 1, then cooperates with the first motor 106 to drive the crankshaft workpiece 4 to move to the next station, and repeats the above process, so as to continuously automatically clamp and produce the crankshaft workpiece 4, when the crankshaft workpiece 4 is machined in the last machine tool 2, and is placed in the bracket 108 by the grabbing mechanism 3, the operator at the tail of the production line takes down the crankshaft workpiece 4, reduces the manual operation link, and improves the work efficiency.

[0041] The wiring diagram of the first motor 106, the first electric push rod 22, the first connecting plate 23, the second motor 304, the first stroke switch 307, the second stroke switch 308, the third stroke switch 310, the fourth stroke switch 314, the second electric push rod 315, the fifth stroke switch 320, the sixth stroke switch 321 and the third motor 324 in the present application belongs to the common knowledge in the art, and the working principle is the known technology, and the model is selected according to the actual use, so the control mode and the wiring arrangement of the first motor 106, the first electric push rod 22, the first connecting plate 23, the second motor 304, the first stroke switch 307, the second stroke switch 308, the third stroke switch 310, the fourth stroke switch 314, the second electric push rod 315, the fifth stroke switch 320, the sixth stroke switch 321 and the third motor 324 are not explained in detail.

[0042] Although the present application has been described in detail with reference to the foregoing embodiments, technical solutions recorded in the foregoing embodiments can be modified or some technical features can be replaced by equivalent ones by those skilled in the art, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A compressor crankshaft automatic production line, characterized by, Including conveying mechanism (1): the left side of conveying mechanism (1) is provided with multiple machine tools (2) equidistantly, and the outer side of multiple machine tools (2) is provided with grabbing mechanism (3); Multiple grabbing mechanisms (3) all include portal frame (301), the front surface of portal frame (301) is fixedly installed symmetrically and is provided with sliding rail (302), the outer surface between two sliding rails (302) is provided with sliding plate (303) slidingly, the front surface of portal frame (301) is fixedly installed with second motor (304) near the right side, the output end of second motor (304) is fixedly installed with lead screw (305), the outer surface of lead screw (305) is screwed through the outer surface of sliding plate (303) and extends to the other side, the outer surface of lead screw (305) is rotatably provided with guide block (306) near the end, the guide block (306) is fixedly installed on portal frame (301), the front surface of sliding plate (303) is fixedly installed with second connecting plate (309), the bottom of second connecting plate (309) is fixedly connected with support plate (311), the top of support plate (311) is fixedly installed with second electric push rod (315) near the middle, the telescopic end of second electric push rod (315) slides through the top of support plate (311) and extends to the below, the telescopic end of second electric push rod (315) is fixedly installed with connecting block (316), the bottom of connecting block (316) is provided with sliding groove (322), the inside of sliding groove (322) is provided with bidirectional screw rod (323), the front surface of connecting block (316) is fixedly installed with third motor (324), the output end of third motor (324) penetrates through the front surface of connecting block (316) and extends to the inside, the output end of third motor (324) is fixedly installed with bidirectional screw rod (323), the outer surface of bidirectional screw rod (323) is symmetrically screwed with sliding block (325), the sliding block (325) is slidingly arranged in the inside of sliding groove (322), the bottom of sliding block (325) is fixedly installed with clamping jaw (326).

2. The compressor crankshaft automatic production line according to claim 1, characterized in that: The conveying mechanism (1) comprises a support frame (101), the left and right outer surfaces of the support frame (101) are fixedly connected with a plurality of supporting legs (103), the front and rear outer surfaces of the support frame (101) are provided with grooves (102), the outer surface of the support frame (101) is symmetrically provided with a chain (107), the inner wall between the grooves (102) is rotatably provided with a rotating shaft (104), the outer surface of the rotating shaft (104) is fixedly installed with a chain wheel (105) symmetrically, the chain wheel (105) is engaged with the chain (107), the right outer surface of the support frame (101) is fixedly installed with a first motor (106), the output end of the first motor (106) penetrates through the outer surface of the support frame (101), and the end of one of the rotating shafts (104) is fixedly connected.

3. The compressor crankshaft automatic production line according to claim 2, characterized in that: The outer surface of the chain (107) is equidistantly fixedly connected with a plurality of brackets (108), and the top of each bracket (108) above the chain (107) is provided with a crankshaft workpiece (4).

4. The compressor crankshaft automatic production line according to claim 3, characterized in that: The front surface of the plurality of machine tools (2) is matched with a machining door (21), the top of the machine tool (2) is fixedly installed with a first electric push rod (22), the telescopic end of the first electric push rod (22) is fixedly installed with a first connecting plate (23), and the bottom of the first connecting plate (23) is fixedly connected with the top of the machining door (21).

5. The compressor crankshaft automatic production line according to claim 4, characterized in that: The front surface of the plurality of gantry frames (301) is fixedly installed with a first travel switch (307) near the right side, and the front surface of the gantry frame (301) is fixedly installed with a second travel switch (308) near the left side.

6. The compressor crankshaft automatic production line according to claim 5, characterized in that: The rear surface of the plurality of second connecting plates (309) is fixedly installed with a third travel switch (310), and the third travel switch (310) is matched with the first travel switch (307) and the second travel switch (308) respectively.

7. The compressor crankshaft automatic production line according to claim 6, characterized in that: The bottom of the plurality of support plates (311) is fixedly installed with a mounting plate (313) near the front side, and the top of the plurality of connecting blocks (316) is fixedly installed with an L-shaped support (319) near the front side.

8. The compressor crankshaft automatic production line according to claim 7, characterized in that: The rear surface of the plurality of L-shaped supports (319) is fixedly installed with a fifth travel switch (320) near the bottom, the rear surface of the L-shaped support (319) is fixedly installed with a sixth travel switch (321) near the top, the front surface of the plurality of mounting plates (313) is fixedly installed with a fourth travel switch (314), and the fourth travel switch (314) is matched with the fifth travel switch (320) and the sixth travel switch (321) respectively.

9. The compressor crankshaft automatic production line according to claim 8, characterized in that: The top of the plurality of support plates (311) is fixedly connected with a reinforcing rib (312) symmetrically, and the rear surface of the reinforcing rib (312) is fixedly connected with the front surface of the second connecting plate (309).

10. The compressor crankshaft automatic production line of claim 9, wherein: The left and right outer surfaces of the plurality of connecting blocks (316) are fixedly installed with a third connecting plate (317), the top of the third connecting plate (317) is fixedly installed with a guide rod (318), and the outer surface of the guide rod (318) slides through the bottom of the support plate (311) and extends upward.

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