Automatic identification machine for welding seam in circular pipe of scaffold

Abstract

The utility model discloses a scaffold circular pipe inner welding seam automatic identification machine which comprises a main body frame, an identification device is arranged on one side of the main body frame, a clamping transmission device is arranged on the other side of the main body frame, two guide rails are arranged between the identification device and the clamping transmission device, and a pipe supporting device is installed on the guide rails in a sliding mode. The pipe supporting device is used for receiving the workpiece circular pipe conveyed by the feeding device and supporting the workpiece circular pipe, the clamping transmission device is matched with the recognition device to clamp the workpiece circular pipe, and welding seam recognition is conducted through the recognition device. The device is used in cooperation with a feeding device, punching equipment, a discharging device and the like, a workpiece round pipe is fed into the pipe supporting device through the feeding device, the pipe supporting device supports the workpiece round pipe, the clamping transmission device is matched with the recognition device to clamp the workpiece round pipe, and welding seam recognition is conducted through the recognition device; in this way, welding seam recognition is conducted after mechanical and automatic feeding is in place, labor force can be liberated, and the problem that manual inspection is prone to making mistakes can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to an automatic identification machine, especially a scaffold round pipe internal weld automatic identification machine. BACKGROUND

[0002] The scaffold round pipe needs to carry out the identification of the weld before punching, to avoid the hole being punched on the weld due to the uncertain position of the weld when carrying out the punching operation. The current adopted mode is manual identification, and the worker needs to take the steel pipe one by one to check, which not only needs to occupy a human resource, but also is boring and prone to error. SUMMARY

[0003] The utility model provides a scaffold round pipe internal weld automatic identification machine, and the identification machine can automatically carry out the weld identification, can liberate the labor force and can avoid the problem that the artificial inspection is prone to error. The specific technical scheme is as follows:

[0004] A scaffold round pipe internal weld automatic identification machine, including the main body frame, its characterized in that: the one side of main body frame is provided with identification device, and the other side of main body frame is provided with clamping transmission device, and the identification device is provided with two guide rails between clamping transmission device, two guide rails are parallelly arranged on the both sides of the upper plane of main body frame, and the pipe supporting device is slidably installed on the guide rail, and the pipe supporting device is used for receiving the workpiece round pipe that the feeding device transmits and supports the workpiece round pipe, and the workpiece round pipe is clamped by the cooperation of clamping transmission device and identification device, and the weld identification is carried out through identification device.

[0005] Further, the pipe supporting device includes a supporting plate, the supporting plate is L-shaped and is composed of a bottom plate and a vertical plate, an arc groove is arranged on the vertical plate and is used for receiving the workpiece round pipe, a sliding block C is arranged at the bottom of the bottom plate, the supporting plate is slidably installed on the guide rail through the sliding block C, a clamping cylinder is arranged at the top of the bottom plate, a sliding rail is arranged on the clamping cylinder, two support plates are slidably installed on the sliding rail, the two support plates are respectively connected with the driving end of the clamping cylinder and are used for driving the support plates to slide along the sliding rail, bearings C are arranged on the support plates and are used for clamping the workpiece round pipe.

[0006] Further, two bearings C are arranged on each support plate, the two bearings C are symmetrically arranged upward and downward and are connected with the support plate through a pin shaft, the clamping cylinder moves inwardly to clamp the workpiece round pipe through the bearings C, so as to prevent the workpiece round pipe from moving upward and downward and left and right.

[0007] Further, the clamping transmission device comprises a clamping cylinder base fixed on the main frame, and a clamping cylinder is arranged on the clamping cylinder base, a cylinder rod of the clamping cylinder is connected with the transmission box body, a sliding block B is arranged at the bottom of the transmission box body and is slidably arranged on a guide rail, so that the transmission box body can move forward and backward along the guide rail, a rotary motor is arranged on the transmission box body, a small gear is arranged on a motor shaft of the rotary motor, large bearings are arranged on both sides of the transmission box body, a transmission shaft passes through the large bearings and is connected with a pipe clamping cylinder, a sliding rod of the pipe clamping cylinder is provided with a clamping jaw for clamping the workpiece pipe, and a large gear is arranged at one end of the transmission shaft away from the pipe clamping cylinder and is engaged with the small gear.

[0008] Further, the large gear and the small gear are arranged in the transmission box body, the rotary motor drives the transmission shaft to rotate through the small gear and the large gear, and further drives the workpiece pipe to rotate.

[0009] Further, the rotary motor is connected with the control box through a cable.

[0010] Further, the identification device comprises a support plate fixed on the main frame, two sliding blocks A are arranged on the support plate, a sliding rail is arranged on the sliding block A, a sliding plate is arranged on the sliding rail, an identification clamping cylinder is arranged at the upper end of the sliding plate, a bearing B is arranged at the lower end of the sliding plate, a bearing support is arranged on a cylinder rod of the identification clamping cylinder, and a bearing A and a laser range finder are arranged on the bearing support.

[0011] Further, the bearing A is located directly above the bearing B, when the bearing B is inserted into one end of the workpiece pipe, the identification clamping cylinder is actuated to drive the bearing A to fall, and the bearing A cooperates with the bearing B to clamp the workpiece pipe, and in the rotating process of the workpiece pipe, the position of the weld is detected through the laser range finder by detecting the change of the distance.

[0012] Further, the laser range finder is arranged outside the bearing support and is connected with the control box through a cable.

[0013] Further, the inside of the main frame is provided with a control box and an electromagnetic valve, the electromagnetic valve is connected with the control box through a cable, and the gas outlets of the electromagnetic valve are respectively connected with corresponding cylinders through air pipes.

[0014] The utility model cooperates with loading device, punching equipment and unloading device and uses, through loading device, workpiece pipe is sent into holding device, workpiece pipe is supported by holding device, workpiece pipe is clamped by clamping transmission device and identification device, and weld identification is carried out through identification device, so mechanical automatic loading is in place and then weld identification is carried out, which can not only liberate labor but also avoid the problem that manual inspection is prone to error. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view of the utility model.

[0016] Figure 2 is a plan view of the utility model;

[0017] Figure 3 is a right view of the utility model;

[0018] Figure 4 is a front view of the identification device of the utility model;

[0019] Figure 5 is a plan view of the identification device of the utility model;

[0020] Figure 6 is a right view of the identification device of the utility model;

[0021] Figure 7 is a front view of the clamping transmission device of the utility model;

[0022] Figure 8 is a plan view of the clamping transmission device of the utility model;

[0023] Figure 9 is a right view of the clamping transmission device of the utility model;

[0024] Figure 10 is a front view of the holding device of the utility model;

[0025] Figure 11 is a plan view of the holding device of the utility model;

[0026] Figure 12 is a right view of the holding device of the utility model. DETAILED DESCRIPTION

[0027] In order to better understand the purpose, function and specific design scheme of the utility model, the following will make further detailed description to the scaffold round pipe inner weld automatic identification machine of the utility model in combination with the drawings.

[0028] As Figures 1-3As shown, the scaffold round pipe inner weld automatic identification machine of the utility model, including main body frame 1, the inside of main body frame 1 is provided with control box 2 and electromagnetic valve 8, the electromagnetic valve 8 is connected with control box 2 through cable, and the gas outlet of electromagnetic valve 8 is connected with corresponding air cylinder through air pipe respectively. One side of main body frame 1 is provided with identification device 6, and the other side of main body frame 1 is provided with clamping transmission device 3, and two guide rails 7 are arranged between identification device 6 and clamping transmission device 3, the two guide rails 7 are arranged on the both sides of the upper plane of main body frame 1, and the pipe supporting device 5 is slidably installed on the guide rail 7, for receiving the workpiece round pipe 4 conveyed by the feeding device, and supporting the workpiece round pipe 4, and the workpiece round pipe is clamped by clamping transmission device 3 and identification device 6, and the weld is identified by identification device 6.

[0029] As Figures 10-12 As shown, the pipe supporting device 5 includes a supporting plate 30, the supporting plate 30 is L-shaped and is composed of a bottom plate and a vertical plate, an arc groove is arranged on the vertical plate for receiving the workpiece round pipe. The bottom of the bottom plate is provided with a sliding block C29, and the supporting plate 30 is slidably installed on the guide rail 7 through the sliding block C29. The top of the bottom plate is provided with a clamping air cylinder 33, the clamping air cylinder 33 is provided with a sliding track, and two support plates 32 are slidably installed on the sliding track, the two support plates 32 are respectively connected with the driving end of the clamping air cylinder 33 for driving the support plates 32 to slide along the sliding track. Two bearings C31 are arranged on each support plate 32, the two bearings C31 on the support plate 32 are symmetrically arranged above and below and are connected with the support plate 32 through a pin shaft.

[0030] The workpiece round pipe 4 is sent into the arc groove of the supporting plate 30 by the feeding device, the clamping air cylinder 33 moves inwardly to drive the two support plates 32 to move inwardly, so that the four bearings C31 clamp the workpiece round pipe 4 to prevent the workpiece round pipe 4 from moving up and down and left and right, and the bearing C31 rotates with the workpiece round pipe 4 when the workpiece round pipe 4 rotates.

[0031] As Figures 7-9As shown, the clamping transmission device 3 comprises a clamping cylinder base 18 fixed on the main frame 1, and a clamping cylinder 19 is arranged on the clamping cylinder base 18, the cylinder rod of the clamping cylinder 19 is connected with a transmission box body 23, the bottom of the transmission box body 23 is provided with a sliding block B28, the sliding block B28 is slidingly installed on the guide rail 7, so that the transmission box body 23 can move forward and backward along the guide rail 7. A rotary motor 21 is arranged on the transmission box body 23, the rotary motor 21 is connected with the control box 2 through a cable, and a small gear 22 is arranged on the motor shaft of the rotary motor 21. Large bearings 20 are arranged on both sides of the transmission box body 23, a transmission shaft 24 passes through the large bearings 20 and is connected with a pipe clamping cylinder 26, the end of the transmission shaft 24 away from the pipe clamping cylinder 26 is provided with a large gear 27, the large gear 27 is engaged with the small gear 22, and the large gear 27 and the small gear 22 are arranged in the transmission box body 23, and a clamping jaw 25 is arranged on the sliding rod of the pipe clamping cylinder 26.

[0032] The clamping cylinder 19 acts, the cylinder rod of the clamping cylinder drives the transmission box body 23 to move forward, the pipe clamping cylinder 26 moves forward with the transmission box body 23, the driven push drives the workpiece pipe 4 to move forward, so that one end of the workpiece pipe 4 is sleeved on the bearing B16 of the identification device 6, and the other end enters the clamping jaw 25, at this time, the pipe clamping cylinder 26 acts, the clamping jaw 25 clamps the workpiece pipe 4, the rotary motor 21 is powered on, drives the transmission shaft 24 to rotate through the small gear 22 and the large gear 27, and then drives the workpiece pipe 4 to rotate.

[0033] As shown, Figures 4-6 The identification device 6 comprises a support plate 9 fixed on the main frame 1, two sliding blocks A10 are arranged on the support plate 9, a sliding rail 11 is arranged on the sliding block A10, a sliding plate 17 is arranged on the sliding rail 11, an identification clamping cylinder 12 is arranged at the upper end of the sliding plate 17, a bearing B16 is arranged at the lower end of the sliding plate 17, a bearing support 14 is arranged on the cylinder rod of the identification clamping cylinder 12, a bearing A15 and a laser range finder 13 are arranged on the bearing support 14, the bearing A15 is located directly above the bearing B16, and the laser range finder 13 is connected with the control box 2 through a cable.

[0034] After the workpiece pipe 4 is pushed over, the workpiece pipe 4 is clamped and fixed by the cooperation of the bearing B16 and the clamping jaw 25, the bearing B16 enters the inside of the workpiece pipe 4, the identification clamping cylinder 12 acts, drives the bearing A15 to fall, cooperates with the bearing B16 to clamp the workpiece pipe 4, the workpiece pipe 4 rotates, and the distance detected by the laser range finder 13 is basically the same when the bearing B16 does not press the weld position. When the bearing B16 presses the weld position, the distance detected by the laser range finder 13 becomes larger, and the position of the weld is detected by detecting the change of the distance.

[0035] The utility model discloses cooperate with the feeding device, punching equipment and unloading device etc. use, workpiece round pipe 4 passes through the feeding device and is sent to the arc recess of support plate 30, clamping pneumatic cylinder 19 action, drive transmission box body 23 and pipe clamp pneumatic cylinder 26 move forward, make workpiece round pipe 4 one end enter inside the clamping jaw 25, the other end is worn on bearing B16, and the action of holding pneumatic cylinder 33 drives two support plates 32 to move inwards, make bearing C31 hold workpiece round pipe 4, prevent workpiece round pipe 4 from moving up and down, left and right. The action of identification holding pneumatic cylinder 12 drives bearing A15 to fall, and bearing A15 falls to the outer wall position of workpiece round pipe 4 and stops, and the force of blocking is greater than the downward force of identification holding pneumatic cylinder 12, and sliding plate 17 moves upwards, and then drives bearing B16 to move upwards, makes bearing B16 tightly stick to the inner wall of workpiece round pipe 4, and cooperates with bearing A15 and holds workpiece round pipe wall.

[0036] The action of pipe clamp pneumatic cylinder 26 makes clamping jaw 25 clamp workpiece round pipe 4, and the rotation motor 21 is electrified, drives transmission shaft 24 to rotate through pinion 22 and gear 27, and then drives workpiece round pipe 4 to rotate, when bearing B16 is pressed in the weld position of workpiece round pipe 4, the detection distance of laser range finder 13 becomes big, and the rotation motor 21 stops immediately, and this position is the weld position. The reset of identification holding pneumatic cylinder 23 rises, and clamping pneumatic cylinder 19 retreats a distance, makes bearing B16 separate workpiece round pipe 4, and pipe clamp pneumatic cylinder 26 resets, and the clamping jaw 25 releases workpiece round pipe 4, and clamping pneumatic cylinder 19 resets and retreats to the initial position, and identification ends. Cooperate with other devices and send the workpiece round pipe 4 of identification to punching equipment and realize automatic punching, and unload through unloading device after punching.

[0037] The automatic identification machine can quickly identify the position of the weld in the workpiece round pipe 4, and can effectively avoid punching the hole on the weld position during the punching operation.

[0038] Finally, it should be noted that: the above examples are only used to illustrate the technical scheme of the utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent substitution to part of the technical features; and these modifications or substitutions do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of each embodiment of the utility model.

Claims

1. An automatic identification machine for internal weld seams of scaffolding circular pipes, comprising a main frame, characterized in that: An identification device is installed on one side of the main frame, and a clamping transmission device is installed on the other side of the main frame. Two guide rails are installed between the identification device and the clamping transmission device. The two guide rails are arranged parallel to each other on both sides of the upper plane of the main frame. A support device is slidably installed on the guide rails. The support device is used to receive the workpiece tube conveyed by the feeding device and support the workpiece tube. The clamping transmission device cooperates with the identification device to clamp the workpiece tube. The weld is identified by the identification device.

2. The automatic identification machine for internal weld seams of scaffolding circular pipes according to claim 1, characterized in that: The support device includes a tray, which is L-shaped and consists of a base plate and a vertical plate. The vertical plate has an arc groove for receiving the workpiece tube. A slider C is provided at the bottom of the base plate, and the tray is slidably mounted on a guide rail via the slider C. A clamping cylinder is provided at the top of the base plate, and a sliding rail is provided on the clamping cylinder. Two support plates are slidably mounted on the sliding rail. The two support plates are respectively connected to the drive end of the clamping cylinder for driving the support plates to slide along the sliding rail. Each support plate is provided with a bearing C, which can clamp the workpiece tube.

3. The automatic identification machine for internal weld seams of scaffolding circular pipes according to claim 2, characterized in that: Each support plate is equipped with two bearings C, which are arranged symmetrically at the top and bottom and are connected to the support plate by pins. When the clamping cylinder is activated, it drives the two support plates to move inward, and the bearings C cooperate to clamp the workpiece tube to prevent the workpiece tube from moving up and down or left and right.

4. The automatic identification machine for internal weld seams of scaffolding circular pipes according to claim 1, characterized in that: The clamping transmission device includes a clamping cylinder base, which is fixed to the main frame. A clamping cylinder is mounted on the clamping cylinder base. The cylinder rod of the clamping cylinder is connected to the transmission housing. A slider B is mounted on the bottom of the transmission housing and is slidably installed on a guide rail, allowing the transmission housing to move back and forth along the guide rail. A rotary motor is mounted on the transmission housing. A small gear is mounted on the motor shaft of the rotary motor. Large bearings are mounted on both sides of the transmission housing. The transmission shaft passes through the large bearings and is connected to the tube clamping cylinder. The sliding rod of the tube clamping cylinder is equipped with a jaw for clamping the workpiece tube. A large gear is mounted on the end of the transmission shaft away from the tube clamping cylinder, and the large gear meshes with the small gear.

5. The automatic identification machine for internal weld seams of scaffolding circular pipes according to claim 4, characterized in that: The large gear and small gear are placed inside the transmission box. The rotary motor drives the transmission shaft to rotate through the small gear and the large gear, thereby driving the workpiece tube to rotate.

6. The automatic identification machine for internal weld seams of scaffolding circular pipes according to claim 5, characterized in that: The rotary motor is connected to the control box via cables.

7. The automatic identification machine for internal weld seams of scaffolding circular pipes according to claim 1, characterized in that: The identification device includes a support plate fixed to the main frame. Two sliders A are mounted on the support plate. A slide rail is mounted on slider A. A sliding plate is mounted on the slide rail. An identification clamping cylinder is mounted at the upper end of the sliding plate. A bearing B is mounted at the lower end of the sliding plate. A bearing bracket is mounted on the cylinder rod of the identification clamping cylinder. A bearing A and a laser rangefinder are mounted on the bearing bracket.

8. The automatic identification machine for internal weld seams of scaffolding circular pipes according to claim 7, characterized in that: Bearing A is located directly above bearing B. When bearing B is inserted into one end of the workpiece tube, the clamping cylinder is activated, causing bearing A to fall and cooperate with bearing B to clamp the workpiece tube. During the rotation of the workpiece tube, the laser rangefinder detects the position of the weld by detecting changes in the distance.

9. The automatic identification machine for internal weld seams of scaffolding circular pipes according to claim 8, characterized in that: The laser rangefinder is located on the outside of the bearing bracket and is connected to the control box via a cable.

10. The automatic identification machine for internal weld seams of scaffolding circular pipes according to claim 1, characterized in that: The main frame contains a control box and solenoid valves. The solenoid valves are connected to the control box via cables, and their outlets are connected to the corresponding cylinders via air pipes.

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