CN217859864U

CN217859864U - Car tail plate mounting buckle screw locking machine

Info

Publication number: CN217859864U
Application number: CN202221861986.8U
Authority: CN
Inventors: 黄华平; 王军
Original assignee: Dongguan Shengjie Automatic Mechanical Technology Co ltd
Current assignee: Dongguan Shengjie Automatic Mechanical Technology Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-11-22
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a rear of a vehicle board dress buckle lock screw machine, it includes: the automobile tail plate taking mechanism comprises a rack, a carrier positioning device arranged on the rack and used for positioning and pressing a tail plate, a first buckle feeding mechanism arranged on the rack and used for arranging and sending out circular buckles, a second buckle feeding mechanism arranged beside the first buckle feeding mechanism and used for arranging and sending out V-shaped buckles, a third feeding mechanism arranged beside the first buckle feeding mechanism and used for arranging and sending out screws, and a taking assembly manipulator used for installing the circular buckles, the V-shaped buckles and the screws on the tail plate. Adopt carrier positioner to fix a position the rear of a vehicle board in the frame, by first buckle feed mechanism, second buckle feed mechanism and third feed mechanism respectively with round buckle and V type buckle and screw automatic arrangement one by one see off, rethread material taking assembly manipulator snatchs round buckle and V type buckle and screw and install one by one in proper order on the rear of a vehicle board to replace manual assembly, promote assembly efficiency.

Description

Tail board dress buckle lock screw machine

The technical field is as follows:

the utility model relates to an automatic assembly field refers in particular to a rear of a vehicle board dress buckle lock screw machine.

Background art:

at present, buckle and screw are installed on the rear of a vehicle board in the market mainly to use manual assembly as the main, and the assembly efficiency is low, and the assembling process is loaded down with trivial details, and because be the cambered surface on the rear of a vehicle board mostly for the direction of the buckle and the screw of different positions is inconsistent, and manual installation needs often to change installation angle, has increased the assembly degree of difficulty, has also promoted intensity of labour.

In view of this, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art not enough, provide a rear of a vehicle board dress buckle lock screw machine.

In order to solve the technical problem, the utility model discloses a following technical scheme: a kind of car end plate installs the snap-fit screw machine, including: the automatic feeding mechanism comprises a rack, a carrier positioning device, a first buckle feeding mechanism, a second buckle feeding mechanism, a third feeding mechanism and a material taking and assembling mechanical arm, wherein the carrier positioning device is arranged on the rack and used for positioning and pressing a vehicle tail plate, the first buckle feeding mechanism is arranged on the rack and used for arranging and sending out circular buckles, the second buckle feeding mechanism is arranged beside the first buckle feeding mechanism and used for arranging and sending out V-shaped buckles, the third feeding mechanism is arranged beside the first buckle feeding mechanism and used for arranging and sending out screws, the material taking and assembling mechanical arm is arranged on the rack and used for installing the circular buckles, the V-shaped buckles and the screws on the vehicle tail plate, and the material taking and assembling mechanical arm is a multi-axis motion mechanical arm.

Furthermore, in the above technical solution, the vehicle positioning device includes a profiling carrier for carrying and positioning the vehicle tail plate, and at least two rotary material pressing cylinders disposed beside the profiling carrier and used for pressing the vehicle tail plate onto the profiling carrier.

Further, in the above technical scheme, the first buckle feeding mechanism includes a first buckle vibration disc for automatically arranging and feeding out the circular buckles, a first direct vibration feeding module in butt joint with a discharge port of the first buckle vibration disc and for transmitting the circular buckles, and a first induction detection module and a first material distribution device which are arranged at an end of the first direct vibration feeding module and are respectively used for detecting the circular buckles and distributing the materials.

Furthermore, in the above technical scheme, a material placing device for arranging and placing a plurality of circular buckles is arranged beside the first material distributing device, and the first buckle feeding mechanism further comprises a buckle transferring manipulator for transferring and placing the circular buckles from the first material distributing device into the material placing device.

Furthermore, in the above technical solution, the second buckle feeding mechanism includes a second buckle vibration disk for automatically arranging and sending out the V-shaped buckles, a second direct-vibration feeding module butted with a discharge port of the second buckle vibration disk and used for transmitting the V-shaped buckles, and a second induction detection module arranged at an end of the second direct-vibration feeding module and used for detecting the V-shaped buckles.

Furthermore, in the above technical solution, the third feeding mechanism includes a third vibrating tray for automatically arranging and sending out the screws, a third direct-vibrating feeding module butted with the third vibrating tray and used for transferring the screws, a second material distributing device disposed at an end of the third direct-vibrating feeding module and used for separating the screws in a staggered manner, and a discharging air nozzle disposed at a bottom of the second material distributing device and connected to the material taking and assembling manipulator through a transmission air pipe.

Furthermore, in the above technical solution, the material taking and assembling manipulator includes six mechanical arms installed on the frame, a buckle taking mechanism arranged on the six mechanical arms and used for clamping the circular buckle and the V-shaped buckle, a screw driving mechanism arranged on the six mechanical arms and used for installing the screw, and a CCD vision detection camera arranged on the six mechanical arms and used for neglected loading detection, wherein the screw driving mechanism is connected with the transmission gas pipe, and the screw is transmitted to the screw driving mechanism from the third feeding mechanism by blowing.

Furthermore, in the technical scheme, the buckle taking mechanism comprises a support frame installed on the six-axis mechanical arm, at least one material taking sleeve movably installed at one end of the support frame and used for clamping and taking the circular buckle, at least one material taking clamping rod arranged beside the material taking sleeve in parallel and used for elastically taking the V-shaped buckle, a material pushing cylinder arranged on the support frame in a movable mode and used for pushing the material taking sleeve and the material taking clamping rod to install the circular buckle and the V-shaped buckle on the tail plate, and a first moving module arranged on the support frame and used for driving the material pushing cylinder on the material taking sleeve and the material taking clamping rod, wherein the material taking sleeve and the material taking clamping rod are both provided with a re-pressing spring for resetting.

Furthermore, in the above technical solution, the two ends of the support frame are both provided with the material taking sleeves and the material taking clamping rods, each end of the support frame is provided with six material taking sleeves and two material taking clamping rods in parallel, the two material taking clamping rods are located on two sides of the six material taking sleeves, and the first moving module is symmetrically provided with two material pushing cylinders; the end of the material taking clamping rod is provided with a clamp used for elastically clamping the V-shaped buckle.

Further, among the above-mentioned technical scheme, CCD visual detection camera with beat the screw mechanism all install in support frame one side, beat the screw mechanism including install in second on the support frame removes the module, set up in guide rail on the second removes the module, install in first sliding seat and second sliding seat on the guide rail, install in vacuum guide arm on the first sliding seat, set up in vacuum guide arm tip and be used for with the tip of the car tail board on the mounting hole position clamp mouth, set up in clamp mouth one side and with the feeding gas nozzle that the discharging gas nozzle is connected, install in on the second sliding seat and pass the vacuum guide arm inserts electricity in the clamp mouth is criticized the head, install in on the second sliding seat and be used for the drive electricity criticize the rotatory servo motor of head and set up in first sliding seat with buffer between the second sliding seat.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect:

the utility model discloses in adopt carrier positioner to fix a position the installation of rear of a vehicle board in the frame, by first buckle feed mechanism, second buckle feed mechanism and third feed mechanism respectively with round buckle and V type buckle and screw automatic range one by one and see off, rethread material taking and assembling manipulator snatchs round buckle and V type buckle and screw and install one by one in proper order on the rear of a vehicle board to replace manual assembly, promote assembly efficiency.

Description of the drawings:

fig. 1 is a perspective view of the present invention;

FIG. 2 is an internal structural view of the present invention;

fig. 3 is a perspective view of the carrier positioning device of the present invention;

fig. 4 is a perspective view of a first buckle feeding mechanism in the utility model;

FIG. 5 is an enlarged view of a portion of FIG. 3 at A;

fig. 6 is a perspective view of a third feeding mechanism of the present invention;

FIG. 7 is a perspective view of the buckle taking mechanism of the present invention;

fig. 8 is a perspective view of the middle screwing mechanism of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

As shown in fig. 1 to 8, a screw locking machine for a vehicle tail plate includes: the automatic assembling machine comprises a rack 1, a carrier positioning device 2 arranged on the rack 1 and used for positioning and pressing a tail plate 101, a first buckle feeding mechanism 3 arranged on the rack 1 and used for arranging and sending out circular buckles 102, a second buckle feeding mechanism 4 arranged beside the first buckle feeding mechanism 3 and used for arranging and sending out V-shaped buckles 103, a third feeding mechanism 5 arranged beside the first buckle feeding mechanism 3 and used for arranging and sending out screws 104, and a taking and assembling manipulator 6 arranged on the rack 1 and used for installing the circular buckles 102, the V-shaped buckles 103 and the screws 104 on the tail plate 101, wherein the taking and assembling manipulator 6 is a multi-axis motion manipulator. Adopt carrier positioner 2 to install location tailstock board 101 in frame 1, by first buckle feed mechanism 3, second buckle feed mechanism 4 and third feed mechanism 5 respectively with circular buckle 102 and V type buckle 103 and screw 104 automatic range one by one and send out, rethread material taking assembly manipulator 6 snatchs circular buckle 102 and V type buckle 103 and screw 104 and install one by one in proper order on tailstock board 1 to replace manual assembly, promote assembly efficiency.

The carrier positioning device 2 comprises a profiling carrier seat 21 for carrying and positioning the tailgate 101 and at least two rotary swaging air cylinders 22 arranged beside the profiling carrier seat 21 and used for pressing the tailgate 101 onto the profiling carrier seat 21. The tailstock plate 101 is pressed through the rotary pressing cylinder 22, so that the movement of the tailstock plate 101 during assembly can be avoided, and the tilting of the tailstock plate 101 can also be prevented.

The first buckle feeding mechanism 3 comprises a first buckle vibrating disk 31 for automatically arranging and feeding out the circular buckles 102, a first direct vibration feeding module 32 which is in butt joint with a discharge port of the first buckle vibrating disk 31 and is used for transmitting the circular buckles 102, and a first induction detection module 33 and a first material distribution device 34 which are arranged at the end part of the first direct vibration feeding module 32 and are respectively used for detecting the circular buckles 102 and distributing the materials. The first material distributing device 34 is provided with a material placing device 35 beside for arranging and placing a plurality of circular buckles 102, and the first buckle feeding mechanism 3 further comprises a buckle transferring manipulator 36 for transferring and placing the circular buckles 102 from the first material distributing device 34 to the material placing device 35.

When the first buckle feeding mechanism 3 works, the first buckle vibration disc 31 automatically arranges and sends out the circular buckles 102, the circular buckles are transferred to the first material distribution device 34 through the first direct vibration feeding module 32, when the first induction detection module 33 detects that the circular buckles 102 arrive at the first material distribution device 34, the first material distribution device 34 moves the circular buckles 102 away from the first direct vibration feeding module 32 to distribute materials, then the buckle transfer mechanical arm 36 transfers the circular buckles 102 in the first material distribution device 34 to a tray in the material arrangement device 35, and the tray is pushed to move through a servo motor in the material arrangement device 35, so that at most 8 materials can be stored on the tray, the aim is that the material taking and assembling mechanical arm 6 can quickly take materials according to the program setting every time, and the waiting time is saved.

The second buckle feeding mechanism 4 comprises a second buckle vibration disc 41 used for automatically arranging and sending the V-shaped buckles 103, a second direct vibration feeding module 42 butted with a discharge port of the second buckle vibration disc 41 and used for transmitting the V-shaped buckles 103, and a second induction detection module arranged at the end part of the second direct vibration feeding module 42 and used for detecting the V-shaped buckles 103.

The third feeding mechanism 5 comprises a third vibrating tray 51 for automatically arranging and feeding out the screws 104, a third direct vibration feeding module 52 which is butted with the third vibrating tray 51 and is used for transmitting the screws 104, a second material distribution device 53 which is arranged at the end part of the third direct vibration feeding module 52 and is used for separating the screws 104 in a staggered manner, and a material outlet air nozzle 54 which is arranged at the bottom part of the second material distribution device 53 and is connected with the material taking and assembling manipulator 6 through a transmission air pipe. The screw 104 is transferred through the transfer tube, and after the screw 104 reaches and drops into the discharge nozzle 54, the screw 104 is blown by the air cylinder into the nip 636.

The material taking assembly manipulator 6 comprises a six-axis mechanical arm 61 installed on the frame 1, a taking buckle mechanism 62 arranged on the six-axis mechanical arm 61 and used for clamping the circular buckle 102 and the V-shaped buckle 103, a screw driving mechanism 63 arranged on the six-axis mechanical arm 61 and used for installing the screw 104, and a CCD visual detection camera 64 arranged on the six-axis mechanical arm 61 and used for neglected loading detection, wherein the screw driving mechanism 63 is connected with the transmission gas pipe, and the screw 104 is transmitted to the screw driving mechanism 63 from the third feeding mechanism 5 through blowing. After the assembly is completed, the CCD visual detection camera 64 detects the products in different areas, and when the products are detected, the equipment gives an alarm for prompting.

The buckle taking mechanism 62 comprises a support 621 installed on the six-axis mechanical arm 61, at least one taking sleeve 622 movably installed at one end of the support 621 and used for clamping and taking the circular buckle 102, at least one taking clamping rod 623 arranged beside the taking sleeve 622 and used for elastically taking the V-shaped buckle 103, a pushing cylinder 624 movably installed on the support 621 and used for pushing the taking sleeve 622 and the taking clamping rod 623 to install the circular buckle 102 and the V-shaped buckle 103 on the tailstock board 101, and a first moving module 625 installed on the support 621 and used for driving the pushing cylinder 624 on the taking sleeve 622 and the taking clamping rod 623, wherein the taking sleeve 622 and the taking clamping rod 623 are both provided with a re-pressing spring for resetting. The first moving module 625 moves the pushing cylinder 624 to a predetermined position to push the material taking sleeve 622 and the material taking clamping bar 623 one by one.

The two ends of the supporting frame 621 are respectively provided with the material taking sleeve 622 and the material taking clamping rods 623, each end of the supporting frame 621 is respectively provided with six material taking sleeves 622 and two material taking clamping rods 623 in parallel, the two material taking clamping rods 623 are located on two sides of the six material taking sleeves 622, and the first moving module 625 is symmetrically provided with two material pushing cylinders 624; the end of the material taking clamping rod 623 is provided with a clamp for elastically clamping the V-shaped buckle 103. By mounting 16 take-out sleeves 622 and four take-out clamping bars 623 on the supporting frame 621, the user can set the number of assemblies according to the program, the V-shaped buckle 103 can be clamped and taken away by the elastic component through the clamp at the end of the take-out clamping bar 623, and the circular buckle 102 can be directly compressed and clamped by the take-out sleeve 622 and taken away according to the product characteristics. The material taking sleeve 622 and the material taking clamping rod 623 are in elastic contact by a repressing spring sleeved on the material taking sleeve 622 and the material taking clamping rod 623, so that the circular buckle 102 and the V-shaped buckle 103 are prevented from being damaged by rigid contact when the circular buckle 102 and the V-shaped buckle 103 are clamped on the vehicle tail plate 101, the material taking sleeve 622 and the material taking clamping rod 623 are pushed downwards by the material pushing cylinder 624 when the circular buckle 102 and the V-shaped buckle 103 are assembled on the vehicle tail plate 101, the circular buckle 102 and the V-shaped buckle 103 are further clamped on the vehicle tail plate 101, the assembly is completed, and the repressing spring pushes the material taking sleeve 622 and the material taking clamping rod 623 to reset after the material taking sleeve 622 and the material taking clamping rod 623 are loosened by the material pushing cylinder 624.

The CCD vision detecting camera 64 and the screwing mechanism 63 are both mounted on one side of the supporting frame 621, and the screwing mechanism 63 includes a second moving module 631 mounted on the supporting frame 621, a guide rail 632 disposed on the second moving module 631, a first movable seat 633 and a second movable seat 634 mounted on the guide rail 632, a vacuum guide 635 mounted on the first movable seat 633, a clamping nozzle 636 disposed at an end of the vacuum guide 635 and configured to be aligned with a mounting hole on the tailgate 101, a feeding nozzle 637 disposed on one side of the clamping nozzle 636 and connected to the discharging nozzle 54, a screwdriver head 638 mounted on the second movable seat 634 and inserted into the clamping nozzle 636 through the vacuum guide 635, a servo motor 639 mounted on the second movable seat 634 and configured to drive the screwdriver head 638 to rotate, and a buffer device 630 disposed between the first movable seat 633 and the second movable seat 634.

The screw driving mechanism 63 is based on the principle that the screw 104 firstly falls into the clamping jaw 636, because the position of the screw on the tailstock 101 is an inclined plane, and the clamping jaw 636 cannot move to the locking surface due to the modeling of the tailstock 101, so that the head of the screw 104 must be sucked by the vacuum guide 635 before the screw 104 is ejected out of the clamping jaw 636, then the screw 104 must be moved to the locking surface, and finally the screw 104 is locked by the screwdriver head 638.

To sum up, the utility model discloses during operation, at first install the car tailboard 101 on the profile modeling year seat 21 by the manual work, again by rotatory material pressing cylinder 22 turned angle with the car tailboard 101 compress tightly on the profile modeling year seat 21, simultaneously, first buckle feed mechanism 3, second buckle feed mechanism 4 and third feed mechanism 5 are respectively with round buckle 102 and V type buckle 103 and screw 104 automatic arrange one by one send out; further, after the six-axis mechanical arm 61 moves the buckle taking mechanism 62 to the first buckle feeding mechanism 3 and the second buckle feeding mechanism 4 to grab the circular buckles 102 and the V-shaped buckles 103, the buckle taking mechanism 62 is moved above the tail plate 101, the angles and the directions of the buckle taking mechanism 62 are adjusted through the six-axis mechanical arm 61, and the circular buckles 102 and the V-shaped buckles 103 are sequentially installed on the tail plate 101; further, the screw 104 is blown into the screw driving mechanism 63 from the third feeding mechanism 5 through the air flow, and after the direction and the angle of the screw driving mechanism 63 are adjusted by the six-axis mechanical arm 61, the screw 104 is mounted on the vehicle tail plate 101 by the screw driving mechanism 63; further, the six-axis mechanical arm 61 drives the CCD vision detection camera 64 to move to take pictures and scan the tailstock plate 101, detect whether the circular buckle 102, the V-shaped buckle 103 and the screw 104 are installed in an neglected mode or not on the tailstock plate 101, and detect whether the residual circular buckle 102, the residual V-shaped buckle 103 and the screw 104 are installed in place or not; further, the tail plate 101 is loosened by rotating the rotary material pressing cylinder 22, and the tail plate 101 which is assembled is manually taken away from the profiling carrier seat 21.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a car tail board dress buckle lock screw machine which characterized in that includes: the automatic feeding mechanism comprises a rack (1), a carrier positioning device (2) which is arranged on the rack (1) and used for positioning and pressing a vehicle tail plate (101), a first buckle feeding mechanism (3) which is arranged on the rack (1) and used for arranging and sending out circular buckles (102), a second buckle feeding mechanism (4) which is arranged beside the first buckle feeding mechanism (3) and used for arranging and sending out V-shaped buckles (103), a third feeding mechanism (5) which is arranged beside the first buckle feeding mechanism (3) and used for arranging and sending out screws (104), and a material taking assembly manipulator (6) which is arranged on the rack (1) and used for installing the circular buckles (102), the V-shaped buckles (103) and the screws (104) on the vehicle tail plate (101), wherein the material taking assembly manipulator (6) is a multi-shaft motion manipulator.

2. The vehicle tailboard snap-lock screw machine according to claim 1, wherein: the carrier positioning device (2) comprises a profiling carrier seat (21) used for carrying and positioning the tailstock plate (101) and at least two rotary material pressing cylinders (22) arranged beside the profiling carrier seat (21) and used for pressing the tailstock plate (101) on the profiling carrier seat (21).

3. The vehicle tailboard snap-lock screw machine according to claim 1, wherein: the first buckle feeding mechanism (3) comprises a first buckle vibration disc (31) used for automatically arranging and sending out the circular buckles (102), a first direct vibration feeding module (32) which is in butt joint with a discharge hole of the first buckle vibration disc (31) and used for transmitting the circular buckles (102), and a first induction detection module (33) and a first material distribution device (34) which are arranged at the end part of the first direct vibration feeding module (32) and used for detecting the circular buckles (102) and distributing materials respectively.

4. The vehicle tailgate snap-lock screw machine according to claim 3, further comprising: the first material distributing device (34) is provided with a material arranging device (35) used for arranging and placing a plurality of circular buckles (102) at the side, and the first buckle feeding mechanism (3) further comprises a buckle transferring mechanical arm (36) used for transferring and arranging the circular buckles (102) from the first material distributing device (34) into the material arranging device (35).

5. The vehicle tailboard snap-lock screw machine according to claim 1, wherein: the second buckle feeding mechanism (4) comprises a second buckle vibrating disk (41) used for enabling the V-shaped buckles (103) to be automatically arranged and sent out, a second straight vibration feeding module (42) which is butted with a discharge hole of the second buckle vibrating disk (41) and used for transmitting the V-shaped buckles (103), and a second induction detection module which is arranged at the end part of the second straight vibration feeding module (42) and used for detecting the V-shaped buckles (103).

6. The vehicle tailboard snap-lock screw machine according to claim 1, wherein: the third feeding mechanism (5) comprises a third vibrating disk (51) used for automatically arranging and sending out the screws (104), a third direct-vibrating feeding module (52) butted with the third vibrating disk (51) and used for transmitting the screws (104), a second material distributing device (53) arranged at the end part of the third direct-vibrating feeding module (52) and used for separating the screws (104) in a staggered mode, and a material discharging air nozzle (54) arranged at the bottom of the second material distributing device (53) and connected with the material taking and assembling manipulator (6) through a transmission air pipe.

7. The vehicle tailboard snap-lock screw machine according to claim 6, wherein: get material assembly manipulator (6) including install in six arms (61) in frame (1), set up in be used for pressing from both sides on six arms (61) and get buckle mechanism (62) of round buckle (102) with V type buckle (103), set up in be used for the installation on six arms (61) beat screw mechanism (63) and set up in be used for neglected loading CCD visual detection camera (64) that detect on six arms (61), beat screw mechanism (63) with the transmission trachea is connected, and will through blowing screw (104) are followed third feed mechanism (5) are transmitted for beat screw mechanism (63).

8. The vehicle tailgate snap-lock screw machine according to claim 7, further comprising: the buckle taking mechanism (62) comprises a support frame (621) arranged on the six-axis mechanical arm (61), at least one material taking sleeve (622) movably arranged at one end of the support frame (621) and used for clamping and clamping the circular buckle (102), at least one material taking clamping rod (623) arranged beside the material taking sleeve (622) in parallel and used for elastically clamping the V-shaped buckle (103), a material pushing cylinder (624) arranged on the support frame (621) in a movable mode and used for pushing the material taking sleeve (622) and the material taking clamping rod (623) to install the circular buckle (102) and the V-shaped buckle (103) on the tailstock plate (101), and a first moving module (625) arranged on the support frame (621) and used for driving the material pushing cylinder (624) on the material taking sleeve (622) and the material taking clamping rod (623), wherein the material taking sleeve (622) and the material taking clamping rod (623) are both provided with repressing springs used for resetting.

9. The vehicle tailboard snap-lock screw machine of claim 8, wherein: the material taking sleeve (622) and the material taking clamping rods (623) are arranged at two ends of the supporting frame (621), six material taking sleeves (622) and two material taking clamping rods (623) are arranged at each end of the supporting frame (621) in parallel, the two material taking clamping rods (623) are located at two sides of the six material taking sleeves (622), and the first moving module (625) is symmetrically provided with two material pushing cylinders (624); the end part of the material taking clamping rod (623) is provided with a clamp used for elastically clamping the V-shaped buckle (103).

10. The vehicle tailboard snap-lock screw machine of claim 8, wherein: the CCD visual detection camera (64) and the screwing mechanism (63) are installed on one side of the support frame (621), the screwing mechanism (63) comprises a second moving module (631) installed on the support frame (621), a guide rail (632) arranged on the second moving module (631), a first moving seat (633) and a second moving seat (634) installed on the guide rail (632), a vacuum guide rod (635) installed on the first moving seat (633), a clamping nozzle (638) arranged at the end of the vacuum guide rod (635) and used for being positioned with a mounting hole on the tailstock plate (101), a feeding gas nozzle (637) arranged on one side of the clamping nozzle (636) and connected with the discharging gas nozzle (54), an electric batch head (638) installed on the second moving seat (634) and inserted into the clamping nozzle (636) through the vacuum guide rod (635), and a servo motor (639) and a moving seat (634) installed on the second moving seat (634) and used for driving the electric batch head (638) to rotate, wherein the servo motor (639) and the moving seat (634) are arranged between the first moving seat (630) and the second moving seat (634).