Special machine for automatic processing production line of circular tube workpieces

Abstract

The utility model provides a round tube workpiece automatic processing production line special machine, which comprises a rack, a material taking transfer mechanism, a pneumatic plugging mechanism, a rotary chuck mechanism, a laser welding mechanism, a servo tapping mechanism and a stepping transplanting mechanism, the stepping transplanting mechanism is transversely installed in the middle of the rack, the rotary chuck mechanism is installed on the rack, and the servo tapping mechanism is installed on the rack. And the mechanism is positioned on one side of the stepping transplanting mechanism. The whole equipment is controlled by the PLC and the sensor, and the control mode of the whole equipment is simple and reliable; three processes are carried out on one device, the device is directly loaded by a person who processes products in the previous process, and the number of persons for plugging, welding and tapping is reduced to one from the original number of three persons; and automatic feeding and discharging of products can be achieved through the equipment, all related procedures of the production line are transferred through automatic equipment, the labor intensity of workers is greatly reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of furniture processing, in particular to a special line and special machine for automated processing of round tube workpieces. Background Art

[0002] A coat rack is a small piece of furniture used to store clothes at home. Currently, some coat racks are made of metal tubular materials. In order to facilitate transportation and disassembly, they are generally assembled from multiple round tubes and other structures. Therefore, the round tube itself has a unique connection structure after processing. Figure 7 It is the shape of the round tube workpiece before processing. It is composed of an inner support sheet and a round tube workpiece. After processing steps such as plugging, laser welding and tapping, it is processed into Figure 8 structure;

[0003] Single-process pneumatic plugging, handheld laser welding machine, and universal tapping machine are the prior art background. Pneumatic plugging is performed manually by using a cylinder extension, internal support sheet welding is performed manually by using a handheld laser welding machine or CO2 gas shielded welding, and tapping is performed manually by using a universal tapping machine. In the prior art, these three processes are all independently set, and each process requires manual cooperation with the machine to complete, which will lead to the following defects: (1) waste of labor and high labor costs; (2) there is material circulation and waste of space;

[0004] In order to reduce manual operations and lower the inventory of work-in-progress, the present invention connects three general technical structures through automated design to form a dedicated production line and dedicated machine. Utility Model Content

[0005] The utility model aims to provide a special line and special machine for automated production of round tube workpieces to overcome the above problems or at least partially solve the above problems.

[0006] In order to achieve the above-mentioned purpose, the technical solution of the utility model is specifically implemented as follows:

[0007] The utility model provides a special machine for the automated production of round tube workpieces, comprising a frame, a material picking and transferring mechanism, a pneumatic plugging mechanism, a rotary chuck mechanism, a laser welding mechanism, a servo tapping mechanism and a stepping and transferring mechanism, wherein the stepping and transferring mechanism is transversely installed in the middle of the frame, the rotary chuck mechanism is installed on the frame and is located on one side of the stepping and transferring mechanism, the material picking and transferring mechanism, the pneumatic plugging mechanism, the laser welding mechanism and the servo tapping mechanism are all installed on the frame and are located on the other side of the stepping and transferring mechanism, and are arranged in a row according to the processing procedures of the material picking and transferring mechanism, the pneumatic plugging mechanism, the laser welding mechanism and the servo tapping mechanism.

[0008] As a further solution of the utility model, the material taking and transferring mechanism comprises:

[0009] The vibrating plate material sorting mechanism straightens the direction of the inner support sheet;

[0010] Linear sliding guide rail, can be shifted left and right;

[0011] A material grabbing cylinder assembly is installed on the guide rail seat of the linear sliding guide rail, and the material grabbing cylinder assembly performs the actions of grabbing, moving, releasing and retreating in sequence;

[0012] The gear drives the turning mechanism, which is composed of a rack, a gear and a cylinder. The rack is installed on the cylinder. The cylinder pushes the rack to move back and forth, driving the gear to rotate, completing the operation of rotating the inner support piece from the material receiving position to the plugging position.

[0013] As a further solution of the utility model, the pneumatic plugging mechanism includes a cylinder mounting seat, a first pushing cylinder, a guide column, a spring and a positioning guide sleeve. The cylinder mounting seat is installed on the frame, the first pushing cylinder is installed on the cylinder mounting seat, the guide column is connected to the output end of the first pushing cylinder, the spring is sleeved on the guide column, and the guide column passes through the positioning guide sleeve.

[0014] As a further scheme of the utility model, the rotating chuck mechanism includes a chuck mounting seat, a servo motor mounting seat, a servo motor, a small pulley, a large pulley, a pneumatic chuck, a bearing mounting seat and a support bearing. The small pulley and the large pulley are driven by a belt. The chuck mounting seat is mounted on a frame, the pneumatic chuck is mounted on the chuck mounting seat, the servo motor mounting seat is mounted on the chuck mounting seat, the servo motor is mounted on the servo motor mounting seat, a small pulley is mounted on the servo motor shaft, one end of the pneumatic chuck is connected to the large pulley, the bearing mounting seat is mounted on the frame, and a support bearing is mounted on the bearing mounting seat as a round tube workpiece support device.

[0015] As a further scheme of the utility model, the laser welding mechanism includes a linear guide, a material ejection support, a material support support, a rotary bearing, a lower clamping bearing, a second pushing cylinder, a support pushing cylinder, a connecting shaft, a laser welding gun mounting seat and a laser welding gun. The linear guide is installed on the frame, the material ejection support is installed on the linear guide, the rotary bearing is installed on the material support support, the material support support is installed on the material ejection support, the output end of the second pushing cylinder is connected to the lower clamping bearing and then installed on the material ejection support, the cylinder body of the support pushing cylinder is installed on the frame through a mounting bracket, the telescopic end of the support pushing cylinder is connected to the material ejection support through a connecting shaft, and the laser welding gun is fixedly installed on the laser welding gun mounting seat.

[0016] As a further solution of the utility model, the servo tapping mechanism includes a mounting seat, a tapping power head, an oil injection pipe, a cylinder, a pressure block and a positioning block. The mounting seat is installed on a frame, the tapping power head is installed on the mounting seat, the oil injection pipe is installed on the frame, the output end of the cylinder is connected to the pressure block, the cylinder is installed on the frame, and the positioning block is installed on the frame.

[0017] As a further solution of the utility model, the step-by-step transplanting mechanism includes a telescopic cylinder, a fixed plate, a slide rail, a lifting cylinder and a support rack, the slide rail is provided with a slider, the telescopic cylinder and the lifting cylinder are installed on the fixed plate, the fixed plate is connected to the slider, and the support rack is installed on the lifting cylinder.

[0018] The utility model provides a special machine for the automated production of round tube workpieces, which has the following beneficial effects:

[0019] 1. The direction of the inner support piece is straightened out by the vibrating plate material sorting mechanism, and the linear sliding guide rail can be shifted left and right. The grabbing cylinder combination performs grabbing, moving, releasing and retracting actions in sequence. The gear bar drives the flipping mechanism to drive the gear to rotate, and the inner support piece is rotated from the receiving position to the plugging station. The plugging is completed when the first pushing cylinder pushes forward, and the retraction is retreated by the spring force to realize the plugging action. The pneumatic chuck clamps the round tube workpiece, and the pneumatic rotation of the motor drives the small pulley and the large pulley to run to realize the rotation of the round tube workpiece. The push cylinder is pushed by the support, and the linear guide rail realizes reciprocating motion. After the top material is in place, the second pushing cylinder pushes the lower clamping bearing to clamp the round tube workpiece, and the rotating chuck mechanism rotates the chuck to drive the round tube workpiece to rotate, and then the laser welding gun is used for welding. When the pipe fitting is transported to the tapping station, the top material cylinder extends out to clamp the workpiece, and the tapping power head starts to start tapping. After the tapping is retracted, oil is sprayed to cool the tap.

[0020] 2. The whole equipment is controlled by PLC and sensors, and the control method of the whole equipment is simple and reliable. The three working procedures are placed on one equipment, and the equipment is directly loaded by the person who processes the products in the previous process, reducing the number of people for plugging, welding and tapping from the original 3 people to 1 person; and the equipment can realize automatic loading and unloading of products. All related processes of the production line are transferred by automated equipment, which greatly reduces the labor intensity of employees and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0023] Figure 2 It is a schematic diagram of the structure of the material taking and transferring mechanism and the pneumatic plugging mechanism in the utility model.

[0024] Figure 3 It is a schematic diagram of the structure of the rotary chuck mechanism in the utility model.

[0025] Figure 4 This is a schematic diagram of the structure of the laser welding mechanism in the utility model.

[0026] Figure 5 It is a schematic diagram of the structure of the servo tapping mechanism in the utility model.

[0027] Figure 6 It is a schematic diagram of the structure of the step-by-step transplanting mechanism in the utility model.

[0028] Figure 7 It is a schematic diagram of the structure of the round tube workpiece and the inner support sheet before processing in the utility model.

[0029] Figure 8 It is a schematic diagram of the structure of the round tube workpiece and the inner support sheet after processing in the utility model.

[0030] In the figure: 1. Frame; 2. Material picking and transferring mechanism; 201. Vibrating plate material sorting mechanism; 202. Linear sliding guide rail; 203. Material grabbing cylinder assembly; 204. Gear bar driven turning mechanism; 3. Pneumatic plugging mechanism; 301. Cylinder mounting seat; 302. First push cylinder; 303. Guide column; 304. Spring; 305. Positioning guide sleeve; 4. Rotating chuck mechanism; 401. Chuck mounting seat; 402. Servo motor mounting seat; 403. Servo motor; 404. Small pulley; 405. Large pulley; 406. Pneumatic chuck; 407. Bearing mounting seat; 408. Material support bearing; 5. Laser welding Connecting mechanism; 501, linear guide; 502, lifting support; 503, supporting support; 504, rotating bearing; 505, lower clamping bearing; 506, second pushing cylinder; 507, support pushing cylinder; 508, connecting shaft; 509, laser welding gun mounting seat; 510, laser welding gun; 6, servo tapping mechanism; 601, mounting seat; 602, tapping power head; 603, fuel injection pipe; 604, cylinder; 605, pressing block; 606, positioning block; 7, stepping and transplanting mechanism; 701, telescopic cylinder; 702, fixing plate; 703, slide rail; 704, lifting cylinder; 705, supporting rack. DETAILED DESCRIPTION

[0031] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0032] See also Figure 1-8 The embodiment of the utility model provides a special machine for the automated processing and production of round tube workpieces, comprising a frame 1, a material picking and transferring mechanism 2, a pneumatic plugging mechanism 3, a rotary chuck mechanism 4, a laser welding mechanism 5, a servo tapping mechanism 6 and a stepping and transplanting mechanism 7. The stepping and transplanting mechanism 7 is installed transversely in the middle of the frame 1, the rotary chuck mechanism 4 is installed on the frame 1 and is located on one side of the stepping and transplanting mechanism 7, the material picking and transferring mechanism 2, the pneumatic plugging mechanism 3, the laser welding mechanism 5 and the servo tapping mechanism 6 are all installed on the frame 1 and are located on the other side of the stepping and transplanting mechanism 7, and are arranged in a row according to the processing procedures of the material picking and transferring mechanism 2, the pneumatic plugging mechanism 3, the laser welding mechanism 5 and the servo tapping mechanism 6.

[0033] like Figure 2 As shown, the material taking and transferring mechanism 2 includes:

[0034] The vibrating plate material sorting mechanism 201 straightens the direction of the inner support sheet;

[0035] The linear sliding guide rail 202 can be shifted left and right;

[0036] The material grabbing cylinder assembly 203 is installed on the guide rail seat of the linear sliding guide rail 202, and the material grabbing cylinder assembly 203 performs the actions of grabbing, moving, releasing and retreating in sequence;

[0037] The gear bar drives the turning mechanism 204, which is composed of a rack, a gear and a cylinder. The rack is installed on the cylinder. The cylinder pushes the rack to move back and forth, driving the gear to rotate, and completing the operation of rotating the inner support piece from the material receiving position to the plugging position.

[0038] like Figure 2 As shown, the pneumatic plugging mechanism 3 includes a cylinder mounting seat 301, a first pushing cylinder 302, a guide column 303, a spring 304 and a positioning guide sleeve 305. The cylinder mounting seat 301 is installed on the frame 1, the first pushing cylinder 302 is installed on the cylinder mounting seat 301, the guide column 303 is connected to the output end of the first pushing cylinder 302, the spring 304 is sleeved on the guide column 303, and the guide column 303 passes through the positioning guide sleeve 305. The plugging is completed when the first pushing cylinder 302 is pushed forward, and retreats by the action of the spring 304 to achieve the plugging action.

[0039] like Figure 3As shown, the rotary chuck mechanism 4 includes a chuck mounting seat 401, a servo motor mounting seat 402, a servo motor 403, a small pulley 404, a large pulley 405, a pneumatic chuck 406, a bearing mounting seat 407 and a support bearing 408. The small pulley 404 and the large pulley 405 are driven by a belt. The chuck mounting seat 401 is mounted on the frame 1, the pneumatic chuck 406 is mounted on the chuck mounting seat 401, and the servo motor mounting seat 402 is mounted on the chuck mounting seat 401. A servo motor 403 is mounted on a servo motor mounting seat 402, a small pulley 404 is mounted on the shaft of the servo motor 403, one end of a pneumatic chuck 406 is connected to a large pulley 405, a bearing mounting seat 407 is mounted on the frame 1, a supporting bearing 408 is mounted on the bearing mounting seat 407, and the pneumatic chuck 406 clamps the round tube workpiece, and the pneumatic rotation of the motor drives the small pulley 404 and the large pulley 405 to rotate, thereby realizing the rotation of the round tube workpiece.

[0040] like Figure 4 As shown, the laser welding mechanism 5 includes a linear guide 501, a material ejection support 502, a material support support 503, a rotary bearing 504, a lower clamping bearing 505, a second pushing cylinder 506, a support pushing cylinder 507, a connecting shaft 508, a laser welding gun mounting seat 509 and a laser welding gun 510. The linear guide 501 is installed on the frame 1, the material ejection support 502 is installed on the linear guide 501, the rotary bearing 504 is installed on the material support support 503, the material support support 503 is installed on the material ejection support 502, the output end of the second pushing cylinder 506 is connected to the lower clamping bearing 505 and then installed on the material ejection support 502, the cylinder body of the support pushing cylinder 507 is installed on the frame 1 through a mounting bracket, the telescopic end of the support pushing cylinder 507 is connected to the material ejection support 502 through a connecting shaft 508, and the laser welding gun 510 is fixedly installed on the laser welding gun mounting seat 509. The linear guide 501 realizes reciprocating motion through the support pushing cylinder 507. After the material is pushed into place, the second pushing cylinder 506 pushes the lower clamping bearing 505 to clamp the round tube workpiece. The rotating chuck mechanism 4 rotates the chuck to drive the round tube workpiece to rotate, and then the laser welding gun is used for welding.

[0041] like Figure 5 As shown, the servo tapping mechanism 6 includes a mounting seat 601, a tapping power head 602, an oil injection pipe 603, a cylinder 604, a pressure block 605 and a positioning block 606. The mounting seat 601 is mounted on the frame 1, the tapping power head 602 is mounted on the mounting seat 601, the oil injection pipe 603 is mounted on the frame 1, the output end of the cylinder 604 is connected to the pressure block 605, the cylinder 604 is mounted on the frame 1, and the positioning block 606 is mounted on the frame 1. When the pipe is transported to the tapping station, the ejection cylinder extends out to press the workpiece, the tapping power head starts to tap, and the tap is cooled by oil injection after the tapping is completed.

[0042] like Figure 6 As shown, the step transplanting mechanism 7 includes a telescopic cylinder 701, a fixed plate 702, a slide rail 703, a lifting cylinder 704 and a supporting rack 705, a slider is installed on the slide rail 703, the telescopic cylinder 701 and the lifting cylinder 704 are installed on the fixed plate 702, the fixed plate 702 is connected to the slider, and the supporting rack 705 is installed on the lifting cylinder 704.

[0043] During use, the utility model is a special machine for plugging + laser welding + tapping of round tube workpieces, which is mainly composed of a frame 1, a material taking and transferring mechanism 2, a pneumatic plugging mechanism 3, a rotating chuck mechanism 4, a laser welding mechanism 5, a servo tapping mechanism 6, a stepping transplanting mechanism 7 and a control system.

[0044] Frame 1: The main function is to install and fix the entire equipment components. The frame in the present invention is welded with 60x60x4 square tubes and 25mm rear whole plate table tops. Such a frame can well ensure the stability and strength of the mechanism.

[0045] Material picking and transferring mechanism 2: The inner support sheet is arranged into the direction required by the subsequent process through the vibration plate, and the cylinder and guide rail are combined to push and pull the material for shifting.

[0046] Pneumatic plugging mechanism 3: The inner support sheet is transported to the plugging position through the steering mechanism, and the plugging is performed by the cylinder.

[0047] Rotating chuck mechanism 4: Through the chuck jaws, the motor drives the pulley to rotate, so as to realize 360-degree uniform rotation of the workpiece.

[0048] Laser welding mechanism 5: Use laser transmitter + laser head to assemble into a fixed laser welding machine.

[0049] Servo tapping mechanism 6: A servo motor is used to realize the rotation of the tap.

[0050] Stepping transplanting mechanism

[0051] 7: The main function is to transfer the upper round tube workpiece processed in the previous process to the next process to complete the loading and unloading of the product.

[0052] Control system: Its main function is to control all actions of the entire equipment and realize the automation of the equipment.

[0053] After the equipment is started, the employee of the previous process places the product at the loading station, the vibrating plate material sorting mechanism 201 straightens the direction of the inner support sheet, the linear sliding guide rail 202 can shift left and right, the grabbing cylinder assembly 203 performs the grabbing, moving, discharging and retreating actions in sequence, the gear bar drives the flipping mechanism 204 to complete the rotation of the inner support sheet from the material receiving position to the plugging station operation, the stepping transfer mechanism 7 transports the round tube workpiece to the plugging station of the pneumatic plugging mechanism 3, the first push cylinder 302 completes the plugging when it pushes forward, and retreats by the action of the spring 304 to achieve the plugging action;

[0054] After the plugging is completed, the stepping and transplanting mechanism 7 transports the round tube workpiece to the welding station of the laser welding mechanism 5. The laser welding machine station support push cylinder 507 pushes the push support 502 forward to the front of the round tube workpiece, and pushes the other end of the round tube workpiece into the pneumatic chuck 406. The pneumatic chuck 406 senses that the round tube workpiece is in place, and the pneumatic chuck 406 is tightened by ventilation. The second push cylinder 506 of the laser welding station presses down and compacts the parts. The pneumatic chuck 406 starts to rotate, driving the round tube workpiece to rotate at a uniform speed, and the laser welding gun 510 performs welding at the same time;

[0055] After welding is completed, the stepping transfer mechanism 7 transports the workpiece to the next control station for cooling for 10 seconds, and then continues to feed the workpiece to the tapping station of the servo tapping mechanism 6 to complete automatic tapping. After tapping is completed, the lifting cylinder 704 pushes the workpiece out and places it at the discharge port to automatically slide down.

[0056] The entire equipment is controlled by PLC and sensors, and the control method of the entire equipment is simple and reliable. The three working procedures are placed on one device, and the equipment is directly loaded by the person who processes the products in the previous process, reducing the number of people for plugging, welding, and tapping from the original 3 people to 1 person; and the equipment can realize automatic loading and unloading of products, and all related processes of the production line are transferred using automated equipment, which greatly reduces the labor intensity of employees and improves production efficiency.

[0057] The above are only embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A special machine for the automated production of round tube workpieces. It is characterized in that The invention comprises a frame (1), a material picking and transferring mechanism (2), a pneumatic plugging mechanism (3), a rotary chuck mechanism (4), a laser welding mechanism (5), a servo tapping mechanism (6) and a stepping and transplanting mechanism (7), wherein the stepping and transplanting mechanism (7) is installed transversely in the middle of the frame (1), the rotary chuck mechanism (4) is installed on the frame (1) and is located on one side of the stepping and transplanting mechanism (7), the material picking and transferring mechanism (2), the pneumatic plugging mechanism (3), the laser welding mechanism (5) and the servo tapping mechanism (6) are all installed on the frame (1) and are located on the other side of the stepping and transplanting mechanism (7), and are arranged in a row according to the processing procedures of the material picking and transferring mechanism (2), the pneumatic plugging mechanism (3), the laser welding mechanism (5) and the servo tapping mechanism (6).

2. According to claim 1, a special line and machine for automated production of round tube workpieces, It is characterized in that The material taking and transferring mechanism (2) comprises: A vibrating plate material sorting mechanism (201) sorts out the direction of the inner support sheet; A linear sliding guide rail (202) capable of being displaced left and right; A material grabbing cylinder assembly (203), the material grabbing cylinder assembly (203) is installed on the guide rail seat of the linear sliding guide rail (202), and the material grabbing cylinder assembly (203) performs the actions of grabbing, moving, releasing and retreating in sequence; The gear bar drives the turning mechanism (204), which is composed of a rack, a gear and a cylinder. The rack is installed on the cylinder. The cylinder pushes the rack to move back and forth, driving the gear to rotate, so as to complete the operation of rotating the inner support piece from the material receiving position to the plugging position.

3. According to claim 1, a special line and machine for automated production of round tube workpieces, It is characterized in that The pneumatic plugging mechanism (3) comprises a cylinder mounting seat (301), a first pushing cylinder (302), a guide post (303), a spring (304) and a positioning guide sleeve (305); the cylinder mounting seat (301) is mounted on a frame (1); the first pushing cylinder (302) is mounted on the cylinder mounting seat (301); the guide post (303) is connected to an output end of the first pushing cylinder (302); the spring (304) is sleeved on the guide post (303); and the guide post (303) passes through the positioning guide sleeve (305).

4. According to claim 1, a special line and machine for automated production of round tube workpieces, It is characterized in that The rotary chuck mechanism (4) comprises a chuck mounting seat (401), a servo motor mounting seat (402), a servo motor (403), a small belt pulley (404), a large belt pulley (405), a pneumatic chuck (406), a bearing mounting seat (407) and a support bearing (408), wherein the small belt pulley (404) and the large belt pulley (405) are driven by a belt, the chuck mounting seat (401) is mounted on the frame (1), and the pneumatic chuck (406) is mounted on the chuck mounting seat (40 1), the servo motor mounting seat (402) is mounted on the chuck mounting seat (401), the servo motor (403) is mounted on the servo motor mounting seat (402), a small pulley (404) is mounted on the shaft of the servo motor (403), one end of the pneumatic chuck (406) is connected to the large pulley (405), the bearing mounting seat (407) is mounted on the frame (1), and a supporting bearing (408) is mounted on the bearing mounting seat (407), serving as a round tube workpiece supporting device.

5. According to claim 1, a special line and machine for automated production of round tube workpieces, It is characterized in that The laser welding mechanism (5) comprises a linear guide rail (501), a material ejection support (502), a material support support (503), a rotary bearing (504), a lower clamping bearing (505), a second pushing cylinder (506), a support pushing cylinder (507), a connecting shaft (508), a laser welding gun mounting seat (509) and a laser welding gun (510), wherein the linear guide rail (501) is mounted on the frame (1), the material ejection support (502) is mounted on the linear guide rail (501), and the rotary bearing (504) is mounted on the material support support (503). The material support (503) is mounted on the material support (503), the material support (503) is mounted on the material support (502), the output end of the second push cylinder (506) is connected to the lower clamping bearing (505) and then mounted on the material support (502), the cylinder body of the support push cylinder (507) is mounted on the frame (1) through a mounting bracket, the telescopic end of the support push cylinder (507) is connected to the material support (502) through a connecting shaft (508), and the laser welding gun (510) is fixedly mounted on the laser welding gun mounting seat (509).

6. According to claim 1, a special line and machine for automated production of round tube workpieces, It is characterized in that The servo tapping mechanism (6) comprises a mounting seat (601), a tapping power head (602), an oil injection pipe (603), a cylinder (604), a material pressing block (605) and a positioning block (606); the mounting seat (601) is mounted on a frame (1); the tapping power head (602) is mounted on the mounting seat (601); the oil injection pipe (603) is mounted on the frame (1); the output end of the cylinder (604) is connected to the material pressing block (605); the cylinder (604) is mounted on the frame (1); and the positioning block (606) is mounted on the frame (1).

7. According to claim 1, a special line and machine for automated production of round tube workpieces, It is characterized in that The step-by-step transplanting mechanism (7) comprises a telescopic cylinder (701), a fixed plate (702), a slide rail (703), a lifting cylinder (704) and a support frame (705); a slider is installed on the slide rail (703); the telescopic cylinder (701) and the lifting cylinder (704) are installed on the fixed plate (702); the fixed plate (702) is connected to the slider; and the support frame (705) is installed on the lifting cylinder (704).

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