CN110496930A - A loading and unloading and turning device for thread rolling machine - Google Patents

Abstract

The invention discloses a material loading and unloading and turning device for a thread rolling machine, which comprises a propelling part for pushing a workpiece to be processed into or out of the thread rolling machine, and a device for loading and unloading the workpiece to be processed on the propelling part. The manipulator and the U-turn head for turning the workpiece to be processed, the propulsion part and the manipulator are arranged on the same side of the thread rolling machine, and the U-turn head is set above the propulsion part to integrate the feeding in and out of the workpiece and the U-turn As a whole, double-head processing is performed on the workpiece to be processed, which greatly improves the thread rolling processing efficiency of the workpiece, avoids manual direct contact with the workpiece to be processed, and reduces the occurrence of industrial accidents.

Description

A loading and unloading and turning device for thread rolling machine

technical field

The invention relates to the technical field of thread rolling machine up and down, in particular to a material loading and unloading and head-turning device for a thread rolling machine.

Background technique

In the field of machining, the bar passes through the rolling wheel of the thread rolling machine to form a thread for subsequent connection; Double-head processing of workpieces to be processed requires manual U-turning, which increases the amount of manual labor, and the production efficiency is low, and at the same time, there is a large hidden danger of causing industrial accidents.

Contents of the invention

In order to overcome the deficiencies in the prior art, the present invention provides a loading and unloading and turning device for a thread rolling machine, which integrates the feeding, sending and turning of the workpiece, and performs double-head processing on the workpiece to be processed, greatly improving the rolling of the workpiece. Improve wire processing efficiency, avoid manual direct contact with the workpiece to be processed, and reduce the occurrence of work-related accidents.

The technical scheme that the present invention solves its technical problem to take is:

A loading and unloading and turning device for a thread rolling machine, comprising a propelling part for pushing a workpiece to be processed into or out of the thread rolling machine, a manipulator for loading and unloading the workpiece to be processed on the propelling part, and a treat The U-turn head of the workpiece is turned around, the propulsion part and the manipulator are arranged on the same side of the thread rolling machine, and the U-turn head is arranged above the propulsion part.

Preferably, the propulsion part includes a base, a horizontal cylinder bracket, a horizontal cylinder, guide rails, a slider, a slide table, a support plate, a first axial locking assembly, a second axial locking assembly, a support base and a roller support assembly ;

The base is installed on the thread rolling machine installation platform, the rear end of the base is provided with the horizontal cylinder support, the base located in front of the horizontal cylinder support is provided with the guide rails arranged in the front and rear directions, and the horizontal cylinder is installed On the horizontal cylinder bracket, the guide rail is provided with a number of slide blocks that move back and forth along the guide rail, and the slide table is installed on a number of the slide blocks, and the bottom of the rear end of the slide table is connected with the piston of the horizontal air cylinder. end connection, the top of the rear end of the slide table is connected to the front end of the support plate, the support plate is set horizontally, the support plate is provided with the first axial locking assembly and the support seat, and the slide table is provided with the first The two axial locking assemblies and the roller support assembly, the first axial locking assembly, the support seat, the roller support assembly and the second axial locking assembly are arranged in sequence from back to front and distributed in a straight line.

Preferably, the first axial locking assembly includes a first locking cylinder mounting plate, a first locking cylinder, a first push rod and a first guide support, and the first locking cylinder mounting plate is installed on the The rear end of the support plate, the first locking cylinder is installed on the first locking cylinder mounting plate, the piston end of the first locking cylinder is connected with the rear end of the first push rod, and the second A push rod is located on the same line as the axis of the piston rod of the first locking cylinder. The first guide support is installed on the support plate in front of the mounting plate of the first locking cylinder. The first guide support is provided with the The guide hole matched with the first push rod, the first push rod is set through the guide hole;

The second axial locking assembly includes a second locking cylinder base, a second locking cylinder mounting plate, a second locking cylinder, a second push rod and a connecting rod, the bottom of the second locking cylinder base is connected to the The front end of the sliding table is connected, the upper part of the second locking cylinder base is provided with a guide hole, and the second locking cylinder is installed on the front end of the bottom of the second locking cylinder base through the second locking cylinder mounting plate, so The piston end of the second locking cylinder is connected to one end of the connecting rod, the other end of the connecting rod is connected to one end of the second push rod, and the second push rod is arranged through the second lock In the guide hole on the upper part of the cylinder base;

The roller support assembly includes a roller support seat, a bearing and a connecting rod. The bottom end of the roller support seat is connected to the slide table. The top of the roller support seat is provided with a bearing accommodating cavity. The front and rear of the bearing accommodating cavity The two ends are connected with the connecting rod, the connecting rod is provided with a plurality of bearings, the inner ring of the bearing is connected with the connecting rod, and the left and right sides of the roller support seat are provided with the left and right sides of the workpiece to be processed. Limited limit piece.

Preferably, a pneumatic grip is also provided on the slide table between the support seat and the roller support assembly.

Preferably, a reinforcing rib is connected between the support plate and the slide table.

Preferably, the piston end of the horizontal cylinder is connected to the slide table through a flexible joint.

Preferably, the U-turn head includes a U-turn head bracket, a horizontally arranged vertical cylinder mounting plate, a vertically arranged vertical cylinder, a rotary cylinder connecting plate and a rotary cylinder, and the vertical cylinder mounting plate is installed on the On the head support, the vertical cylinder is installed on the vertical cylinder mounting plate, the piston end of the vertical cylinder is connected to the base of the rotary cylinder through the connecting plate of the rotary cylinder, and the rotary cylinder is located on the vertical cylinder. directly below the cylinder.

Preferably, vertically arranged guide sleeves are provided on the mounting plates of the vertical cylinder located on both sides of the vertical cylinder, the guide sleeves are penetrated with guide rods that move up and down along the guide sleeves, and the guide rods The bottom end of the rotary cylinder is connected with the connecting plate.

Preferably, a proximity switch for detecting whether there is a workpiece to be processed is also provided on the slide table between the support seat and the pneumatic grip, a horizontal cylinder, a vertical cylinder, a first locking cylinder, a second lock The tightening cylinder, pneumatic hand grip and rotary cylinder are all connected to the controller through the solenoid valve.

The model of the proximity switch is IMB12_08NPSVU2S from SICK in Germany; the model of the rotary cylinder is HRQ50A from AirTAC; the model of the controller is Siemens S7-1200PLC.

The present invention at least includes the following beneficial effects:

1. The manipulator performs the loading and unloading operation for the pushing part. The parts to be processed are pushed into or pushed out of the thread rolling machine through the pushing part, and the parts to be processed are turned around through the U-turn head above the pushing part. This device integrates the feeding of workpieces. The feeding, feeding and turning are integrated, and the workpiece to be processed is processed by double ends, which greatly improves the efficiency of the workpiece thread rolling, avoids manual direct contact with the workpiece to be processed, and reduces the occurrence of industrial accidents.

2. The support seat and the roller support assembly play a supporting role in the workpiece to be processed, and the first axial locking assembly and the second axial locking assembly perform axial locking on both ends of the workpiece to ensure that the workpiece to be processed does not When the deviation occurs, the horizontal cylinder drives the sliding table and the support plate connected to the rear end of the sliding table to move back and forth along the guide rail to realize the pushing and discharging actions of the workpiece to be processed.

3. The first axial locking assembly drives the first ejector rod to withstand the workpiece at the rear end of the workpiece through the first locking cylinder, and the second axial locking assembly drives the second ejector rod through the second locking cylinder. The rod withstands the workpiece to be processed at the front end of the workpiece to be processed;

The guide hole of the first guide support and the guide hole on the upper part of the second locking cylinder base guide the first and second ejector rods respectively, preventing the first and second ejector rods from shifting and ensuring the axis To the locking effect, the limit pieces on the left and right sides of the roller support block prevent the workpiece to be processed from shifting left and right, and the setting of the bearing enables the workpiece to be processed to rotate at high speed with the thread rolling machine to assist in processing.

4. The setting of the pneumatic hand grip at the bottom further plays a role in fixing the workpiece to prevent the deviation of the workpiece to be processed.

5. Strengthen the connection between the support plate and the sliding table by setting reinforcing ribs.

6. The horizontal cylinder and the sliding table are connected by a flexible joint, which acts as a buffer and shock absorber between the sliding table and the horizontal cylinder to prevent the vibration of the sliding table from damaging the horizontal cylinder during processing.

7. The vertical cylinder drives the rotary cylinder to move up and down, and the rotary cylinder clamps and turns the workpiece to be processed, so as to realize the mechanized U-turn of the workpiece to be processed, reduce the amount of manual labor and reduce the occurrence of industrial accidents.

8. The setting of the guide rod prevents the rotary air rod from rotating during the moving process, ensures the clamping angle of the rotary cylinder, and improves the clamping accuracy and stability.

9. The proximity switch detects the presence or absence of workpieces to be processed, and the controller coordinates and controls each cylinder to perform combined actions to realize automatic feeding, turning and discharging actions, which greatly reduces the amount of manual labor and improves production efficiency.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is a structural schematic diagram 1 of the propulsion part and the U-turn head;

Fig. 3 is the enlarged view of place A in Fig. 2;

Figure 4 is the structural schematic diagram II of the propelling part and the U-turning part.

Detailed ways

The present disclosure will be further described below in conjunction with the accompanying drawings and embodiments.

It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

In this disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom" etc. refer to The orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only a relative term determined for the convenience of describing the structural relationship between the components or elements of the present disclosure. Public restrictions.

In this disclosure, terms such as "fixed", "connected", and "connected" should be interpreted in a broad sense, which means that they can be fixedly connected, integrally connected or detachably connected; they can be connected directly or through an intermediate connection. The medium is indirectly connected. For relevant researchers or technicians in the field, the specific meanings of the above terms in the present disclosure can be determined according to specific situations, and should not be construed as limitations on the present disclosure.

As shown in Figures 1-4, a loading and unloading and turning device for a thread rolling machine includes a propulsion part 1 for pushing the workpiece 5 into or out of the thread rolling machine, and for placing the workpiece 5 on the The manipulator 3 for loading and unloading on the propulsion part 1 and the U-turn head 2 for turning the workpiece 5 to be processed, the propulsion part 1 and the manipulator 3 are arranged on the same side of the thread rolling machine 4, and the U-turn head 2 is arranged on above the propelling part 1.

The manipulator 3 performs loading and unloading operations for the pushing part 1, pushes the workpiece to be processed into or out of the thread rolling machine 4 through the pushing part 1, and performs a U-turn on the workpiece 5 to be processed through the U-turn head 2 above the pushing part 1. The device integrates the feed-in, feed-out, and U-turn of the workpiece, and performs double-head processing on the workpiece 5 to be processed, which greatly improves the thread rolling processing efficiency of the workpiece, avoids manual direct contact with the workpiece to be processed, and reduces the occurrence of industrial accidents.

The propulsion part 1 includes a base 11, a horizontal cylinder bracket 111, a horizontal cylinder 12, a guide rail 112, a slider 13, a slide table 14, a support plate 15, a first axial locking assembly 16, and a second axial locking assembly 17 , support base 151 and roller support assembly 18;

The base 11 is installed on the thread rolling machine installation platform 41, the rear end of the base 11 is provided with the horizontal cylinder support 111, and the base 11 positioned in front of the horizontal cylinder support 111 is provided with the guide rails arranged along the front and rear directions 112, the horizontal cylinder 12 is mounted on the horizontal cylinder bracket 111, the guide rail 112 is provided with a plurality of sliders 13 that move back and forth along the guide rail 112, and the slide table 14 is installed on the plurality of sliders 13, The bottom of the rear end of the slide table 14 is connected with the piston end of the horizontal cylinder 12, the top of the rear end of the slide table 14 is connected with the front end of the support plate 15, the support plate 15 is horizontally arranged, and the support plate 15 is provided with the The first axial locking assembly 16 and the support seat 151, the second axial locking assembly 17 and the roller support assembly 18 are provided on the slide table 14, the first axial locking assembly 16, the support The seat 151 , the roller support assembly 18 and the second axial locking assembly 17 are arranged in sequence from back to front and distributed in a straight line.

The support seat 151 and the roller support assembly 18 play a supporting role in the workpiece 5 to be processed, and the first axial locking assembly 16 and the second axial locking assembly 17 perform axial locking on both ends of the workpiece 5 to ensure that The workpiece 5 to be processed does not deviate, and is driven by the horizontal cylinder 12 to drive the slide table 14 and the support plate 15 connected to the rear end of the slide table 14 to move back and forth along the guide rail 112 to realize the pushing and discharging actions of the workpiece 5 to be processed.

The first axial locking assembly 16 includes a first locking cylinder mounting plate 161, a first locking cylinder 162, a first push rod 163 and a first guide support 164. The first locking cylinder mounting plate 161 Installed on the rear end of the support plate 151, the first locking cylinder 162 is installed on the first locking cylinder mounting plate 161, the piston end of the first locking cylinder 162 is connected to the first top The rear end of the rod 163 is connected, the axis of the first push rod 164 and the piston rod of the first locking cylinder 162 are on the same straight line, and the first guide support 164 is installed on the support plate in front of the first locking cylinder mounting plate 161 151, the first guide support 164 is provided with a guide hole matched with the first push rod 163, and the first push rod 163 is set through the guide hole;

The second axial locking assembly 17 includes a second locking cylinder base 171, a second locking cylinder mounting plate 172, a second locking cylinder 173, a second push rod 174 and a connecting rod 175. The second lock The bottom of the locking cylinder base 171 is connected to the front end of the slide table 14, and the upper part of the second locking cylinder base 171 is provided with a guide hole, and the second locking cylinder 173 is installed on the second locking cylinder mounting plate 172. The front end of the second locking cylinder base 171 bottom, the piston end of the second locking cylinder 173 is connected with one end of the connecting rod 175, and the other end of the connecting rod 175 is connected with one end of the second push rod 174 connected, the second ejector rod 174 runs through the guide hole on the upper part of the second locking cylinder base 171;

The roller supporting assembly 18 includes a roller supporting seat 181, a bearing 182 and a connecting rod 183. The bottom end of the roller supporting seat 181 is connected with the slide table 14, and the top of the roller supporting seat 181 is provided with a bearing accommodating chamber, so that The front and rear ends of the bearing accommodating cavity are connected with the connecting rod 183, the connecting rod 183 is provided with a plurality of bearings 182, the inner ring of the bearing 182 is connected with the connecting rod 183, and the roller support seat 181 The left and right sides of each are provided with limiting pieces 184 for limiting the left and right of the workpiece 5 to be processed.

The first axial locking assembly 16 drives the first push rod 163 to withstand the workpiece 5 at the rear end of the workpiece 5 through the first locking cylinder 162, and the second axial locking assembly 17 passes through the second locking cylinder 173 drives the second push rod 174 to withstand the workpiece 5 at the front end of the workpiece 5;

The guide hole of the first guide support 164 and the guide hole on the top of the second locking cylinder base 171 guide the first push rod 163 and the second push rod 174 respectively, preventing the first push rod 163 and the second push rod from 174 offset to ensure the axial locking effect, the limit pieces 184 on the left and right sides of the roller support seat 181 prevent the left and right deviation of the workpiece 5 to be processed, and the setting of the bearing 182 enables the workpiece 5 to be processed to follow the high speed of the thread rolling machine 4 Rotation, auxiliary processing.

A pneumatic hand grip 19 is also provided on the slide table 14 between the support seat 151 and the roller support assembly 18 .

The setting of the pneumatic hand grip 19 further fixes the workpiece 5 to be processed at the bottom to prevent the workpiece 5 from shifting.

A reinforcing rib 152 is connected between the support plate 15 and the slide table 14 to strengthen the connection between the support plate 15 and the slide table 14 .

The piston end of the horizontal cylinder 12 is connected to the slide table 14 through a flexible joint 141, which plays a role of buffering and shock absorption between the slide table 14 and the horizontal cylinder 12, and prevents the vibration of the slide table 14 during processing. Damage the horizontal cylinder 12.

The turning head 2 includes a turning head bracket 21, a horizontally arranged vertical cylinder mounting plate 22, a vertically arranged vertical cylinder 23, a rotary cylinder connecting plate 24 and a rotary cylinder 25, and the vertical cylinder mounting plate 22 Installed on the head support 21, the vertical cylinder 23 is installed on the vertical cylinder mounting plate 22, the piston end of the vertical cylinder 23 is connected with the base of the rotary cylinder 25 through the rotary cylinder connecting plate 24 , the rotary cylinder 25 is located directly below the vertical cylinder 23 .

The vertical cylinder 23 drives the rotary cylinder 25 to move up and down, and the rotary cylinder 25 clamps and turns the workpiece 5 to be processed, so as to realize the mechanized U-turn of the workpiece 5 to be processed, reduce the amount of manual labor and reduce the occurrence of industrial accidents.

The vertical cylinder mounting plate 22 located on both sides of the vertical cylinder 23 is provided with a vertically arranged guide sleeve 26, and the guide sleeve 26 is penetrated with a guide rod 27 that moves up and down along the guide sleeve 26. The bottom end of the guide rod 27 is connected with the connecting plate 24 of the rotary cylinder.

The setting of the guide rod 27 prevents the rotary air rod 25 from rotating during the moving process, ensures the clamping angle of the rotary air cylinder 25, and improves clamping accuracy and stability.

The slide table 14 between the support base 151 and the pneumatic hand grip 19 is also provided with a proximity switch 142 for detecting whether there is a workpiece to be processed, a horizontal cylinder 12, a vertical cylinder 23, and a first locking cylinder 162. , the second locking cylinder 173, the pneumatic hand grip 19 and the rotary cylinder 25 are all connected with the controller through the solenoid valve.

The model of the proximity switch 142 is IMB12_08NPSVU2S of SICK in Germany; the model of the rotary cylinder 25 is HRQ50A of AirTAC; the model of the controller is Siemens S7-1200PLC.

The proximity switch 142 detects the presence or absence of the workpiece 5 to be processed, and the combined action of each cylinder is controlled by the controller to realize automatic feeding, turning around and discharging, which greatly reduces the amount of manual labor and improves production efficiency.

When the device is in use, the manipulator 3 first places the workpiece 5 on the support seat 151 and the roller support assembly 18 of the pushing part. After the proximity switch 142 detects that the workpiece 5 is in place, the pneumatic hand grip 19 will The workpiece is clamped tightly, and at the same time, the first axial locking assembly 16 and the second axial locking assembly 17 perform axial locking on both ends of the workpiece 5 to be processed, and then the horizontal cylinder 12 moves to move the slide table 14 forward Push forward, push the front end of the workpiece 5 to be processed to the processing place of the thread rolling machine 4, at this time, the pneumatic hand grip 19 is released, and the thread rolling machine 4 performs thread rolling processing on the front end of the workpiece 5 to be processed; after one end is processed, the horizontal cylinder 12 is retracted , the pneumatic hand grip 19, the first axial locking assembly 16 and the second axial locking assembly 17 are released at the same time, the vertical cylinder 23 of the adjustable head 2 stretches out, driving the rotary cylinder 25 to move down, and the rotary cylinder 25 will The workpiece 5 to be processed is clamped and lifted, and the workpiece 5 to be processed is put back to its original position after turning around. After the proximity switch 142 detects that the workpiece 5 to be processed is in place again, the pneumatic hand grip 19, the first axial locking assembly 16 and the second The axial locking assembly 17 locks the workpiece 5 to be processed at the same time, and the horizontal cylinder 12 pushes the workpiece 5 to the processing place of the thread rolling machine 4 again, and processes the other end of the workpiece 4; after both ends are processed, the horizontal cylinder 12 is retracted, the pneumatic hand grip 19, the first axial locking assembly 16 and the second axial locking assembly 17 are released at the same time, and the manipulator 3 takes out the processed piece and puts in a new workpiece 5 to be processed at the same time.

Although the specific implementation of the present disclosure has been described above in conjunction with the accompanying drawings, it does not limit the protection scope of the present disclosure. Those skilled in the art should understand that on the basis of the technical solutions of the present disclosure, those skilled in the art do not need to pay creative work Various modifications or variations that can be made are still within the protection scope of the present disclosure.

Claims (9)

1. A loading and unloading and turning device for a thread rolling machine, characterized in that it comprises a propelling part for pushing the workpiece into or out of the thread rolling machine, and is used to push the workpiece to be processed on the propelling part. The manipulator for loading and unloading and the U-turn head for turning the workpiece to be processed, the propulsion part and the manipulator are arranged on the same side of the thread rolling machine, and the U-turn head is arranged above the propulsion part. 2. A loading and unloading and turning device for a thread rolling machine according to claim 1, wherein the propulsion part includes a base, a horizontal cylinder bracket, a horizontal cylinder, guide rails, sliders, slide tables, and support plates , the first axial locking assembly, the second axial locking assembly, the support seat and the roller support assembly; The base is installed on the thread rolling machine installation platform, the rear end of the base is provided with the horizontal cylinder support, the base located in front of the horizontal cylinder support is provided with the guide rails arranged in the front and rear directions, and the horizontal cylinder is installed On the horizontal cylinder bracket, the guide rail is provided with a number of slide blocks that move back and forth along the guide rail, and the slide table is installed on a number of the slide blocks, and the bottom of the rear end of the slide table is connected with the piston of the horizontal air cylinder. end connection, the top of the rear end of the slide table is connected to the front end of the support plate, the support plate is set horizontally, the support plate is provided with the first axial locking assembly and the support seat, and the slide table is provided with the first The two axial locking assemblies and the roller support assembly, the first axial locking assembly, the support seat, the roller support assembly and the second axial locking assembly are arranged in sequence from back to front and distributed in a straight line. 3. A loading and unloading and head-turning device for a thread rolling machine according to claim 2, wherein the first axial locking assembly comprises a first locking cylinder mounting plate, a first locking cylinder, The first push rod and the first guide support, the first locking cylinder installation plate is installed on the rear end of the support plate, the first locking cylinder is installed on the first locking cylinder installation plate, The piston end of the first locking cylinder is connected to the rear end of the first push rod, the axis of the first push rod and the piston rod of the first locking cylinder is on the same line, and the first guide support is installed on the On the support plate in front of the mounting plate of the first locking cylinder, a guide hole matching with the first ejector rod is provided on the first guide support, and the first ejector rod is arranged through the guide hole; The second axial locking assembly includes a second locking cylinder base, a second locking cylinder mounting plate, a second locking cylinder, a second push rod and a connecting rod, the bottom of the second locking cylinder base is connected to the The front end of the sliding table is connected, the upper part of the second locking cylinder base is provided with a guide hole, and the second locking cylinder is installed on the front end of the bottom of the second locking cylinder base through the second locking cylinder mounting plate, so The piston end of the second locking cylinder is connected to one end of the connecting rod, the other end of the connecting rod is connected to one end of the second push rod, and the second push rod is arranged through the second lock In the guide hole on the upper part of the cylinder base; The roller support assembly includes a roller support seat, a bearing and a connecting rod. The bottom end of the roller support seat is connected to the slide table. The top of the roller support seat is provided with a bearing accommodating cavity. The front and rear of the bearing accommodating cavity The two ends are connected with the connecting rod, the connecting rod is provided with a plurality of bearings, the inner ring of the bearing is connected with the connecting rod, and the left and right sides of the roller support seat are provided with the left and right sides of the workpiece to be processed. Limited limit piece. 4. A loading, unloading and turning device for a thread rolling machine according to claim 3, characterized in that, a pneumatic grip is provided on the slide table between the support base and the roller support assembly. 5. A loading, unloading and turning device for a thread rolling machine according to claim 2, wherein a reinforcing rib is connected between the support plate and the slide table. 6. A loading, unloading and turning device for a thread rolling machine according to claim 2, wherein the piston end of the horizontal cylinder is connected to the slide table through a flexible joint. 7. A kind of loading and unloading and U-turning device for thread rolling machine according to claim 1, characterized in that, the U-turn head comprises a U-turn head bracket, a horizontally arranged vertical cylinder mounting plate, a vertically arranged Vertical cylinder, rotary cylinder connecting plate and rotary cylinder, the vertical cylinder mounting plate is installed on the U-turn head bracket, the vertical cylinder is mounted on the vertical cylinder mounting plate, the piston of the vertical cylinder The end is connected with the base of the rotary cylinder through the connecting plate of the rotary cylinder, and the rotary cylinder is located directly below the vertical cylinder. 8. A kind of loading and unloading and turning device for thread rolling machine as claimed in claim 7, characterized in that, the vertical cylinder mounting plates located on both sides of the vertical cylinder are provided with vertically arranged The guide sleeve is penetrated with a guide rod that moves up and down along the guide sleeve, and the bottom end of the guide rod is connected with the connecting plate of the rotary cylinder. 9. A kind of loading and unloading and turning device for thread rolling machine as claimed in claim 4 or 7, characterized in that, the slide table between the support base and the pneumatic hand grip is also provided with a device for detecting Whether there is a proximity switch for the workpiece to be processed, the horizontal cylinder, the vertical cylinder, the first locking cylinder, the second locking cylinder, the pneumatic hand grip and the rotary cylinder are all connected to the controller through the solenoid valve.