KR200236024Y1 - Pipe automatic bending apparatus - Google Patents

Abstract

The present invention relates to a pipe automatic bending device. Conventionally, since the bending work of the pipe is performed by a manual worker by a skilled worker, the unskilled worker is not only difficult to work, but also the bending angles are not exactly matched, resulting in inaccuracy of the product. There was a problem that caused a decrease in productivity.

Therefore, the present invention is a fixed vise 23 is fixed to one side around the rotation guide body 21 located on the front end side of the main body 1, the other side is rotated to rotate along the rotation guide body 21 It is composed of a vise 24, the rotary vise 24 is a joint portion (2) configured to interlock with the rotary shaft (22A) of the upper rotary roller 22 of the rotary guide body 21; First sprockets 31 and 31A are arranged on upper and lower sides of the rotating shaft 22A in the rotary guide body 21, and the first sprockets 31 and 31A and a chain (in the main body 1). The second sprockets 32 and 32A connected by 33 and 33A are arranged on the vertical transmission shaft 35B, and the cylinder rod 34A is connected to the connection bar 35 in the main body 1 therebetween. A driving unit 3 having a cylinder 34 connected to the chains 33 and 33A; The moving rod 42 protrudes outward from a predetermined position of the chain 33 and 33A of the driving unit 3, and the movable rod 42 is formed on the outer rod 1 of the slide rod 235 formed along the chain driving direction. By the angle control unit 4 is provided with a position detecting sensor 45 for detecting the position of the 42 can not only work more quickly and accurately, but also can improve the simplicity and efficiency and productivity of the work It works. In addition, since the setting angle can be freely converted, not only ease of use can be provided, but also free bending pipes having different angles can be formed. In addition, it is possible not only to bend by an inexperienced worker but also to have a safety function that automatically stops the operation when the worker touches the rotating vise, thereby preventing the safety accident caused by the operator's being caught between the rotating vise and the fixed vise. There is.

Description

Pipe automatic bending apparatus

The present invention relates to a pipe bending device, and more specifically, to be able to automatically bend the pipe to the bending angle set by the mechanical operation, and also the free bending form of the angle of different angles with free conversion of the setting bending angle A pipe automatic bending device capable of forming a pipe.

In general, the bending of the pipe is performed by the worker's manual work on the vise. This is because the bending work of the pipe is performed depending on the sense of the skilled worker. There was a problem that caused inaccuracies. In addition, since it depends on the manual work of the worker as described above, there is a problem that the work is cumbersome and inconvenient as well as the inefficiency and productivity decrease of the work.

The present invention has been made to solve the conventional problems as described above, the object is to be able to automatically bend the pipe more quickly and accurately at the bending angle set by the mechanical operation. Another object of the present invention is to allow the formation of a pipe having a free bent shape with different angles by allowing the conversion of the setting bend angle freely. Still another object of the present invention is to prevent a safety accident caused by an operator being caught between the rotary vise and the fixed vise when the rotary vise returns to its original position.

In order to achieve the object of the present invention, the fixed vise is fixed to one side around the rotation guide body located on the tip side of the main body, the other side is composed of a rotation vise rotating along the rotation guide body, the rotation Vise and the joint portion configured to interlock with the rotation axis of the upper rotary roller of the rotating guide body; The first sprocket is arranged on the upper and lower sides of the rotation shaft inside the rotation guide body, the second sprocket connected to the chain with the first sprocket is built on the transmission shaft in the vertical direction, inside the main body therebetween A driving part in which a cylinder rod is connected to the chain by connecting rods; The moving rod is formed to protrude outward at a predetermined position of the chain of the drive unit, and the outer main body of the driving unit includes an angle control unit provided with a position sensor for detecting a position of the moving rod on a slide bar formed along a chain driving direction. One pipe automatic bending device is provided.

In addition, the angle control unit is formed in the chain with a plurality of moving rods in the vertical direction at intervals, the outer body of the plurality of guide rods are formed corresponding to the moving rods, the position detection sensor is provided in each of the guide rods It is characterized by.

And one side is fixed on one side of the rotary vise and the other side is connected to the end side of the movable rod slidably supported before and after by the fixing bracket fixed on the other side perpendicular to the one side The contact plate which is elastically supported at regular intervals from one side thereof is formed by the elastic force of the spring elastically installed on the outer side of the movable rod, the upper side of the fixing bracket is provided with a limit switch that is on / off the operation of the movable rod It features.

1 is a perspective view showing the appearance of the present invention.

Figure 2 is an enlarged perspective view showing the structure of the fixed vise and rotation vise of the present invention.

Figure 3a, 3b is showing the configuration of the drive unit of the present invention,

3A is a cross-sectional view.

3B is a longitudinal sectional view.

Figure 4 is a perspective view showing the configuration of the angle control unit of the present invention.

5 is a perspective view showing another embodiment of the angle control unit of the present invention.

* Explanation of symbols for the main parts of the drawings

1: body

2: joint bending part

21: rotating guide body 22: rotating roller

22A: rotating shaft

23: Fixed Vise

231: Vise body 232: base

232A: Information Home 233: Grip Zone

233A: Gripping groove 234: Fixture

234A: Upper body 234B: Lower body

234C: Bolt 234D: Nut

234E: Slide Ball 235: Slide Rod

24: rotary vise

3: drive unit

31,31 A: 1st sprocket 32,32A: 2nd sprocket

32B: Drive shaft 33,33A: Chain

34: Cylinder 34A: Cylinder rod

35: connecting bar

4: angle control unit

41: Fixed bar 42: Moving rod

43, 43A: Support piece 44: Guide rod

45: position sensor

451: Fixed band 452: Tightening screw

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration of the present invention according to the embodiment.

1 is a perspective view showing the overall configuration of the present invention.

As shown in the present invention, the main body 1 is formed in a die shape having a narrow width and a long length, and an articulation portion 2 composed of a fixed vise 23 and a rotary vise 24 is formed at the front end of the main body 1. ) Is formed, the angle control unit 4 for setting the rotation angle range of the rotary vise 24 is formed on one side of the main body (1).

The articulated curved portion 2 is a cylindrical rotation guide body in which a rotating roller 22 rotating about a vertical rotational axis 22A by a driving part (not shown) inside the main body 1 is located at an upper side thereof. 21 is provided, and a fixed vise 23 for holding the pipe 100 to be supplied is integrally formed on one side thereof. In addition, a rotary vise 24 for bending while rotating the pipe 100 having both sides fixed by the rotary roller 22 and the fixed vise 23 along the rotary guide body 21 is formed, and the rotary vise ( 24 is configured to interlock with the rotating roller (22). Here, reference numeral 25 denotes a cylinder for supplying the pipe 100.

Figure 2 is an enlarged perspective view showing the configuration of the fixed vise and rotation vise of the present invention.

As shown therein, the fixed vise 23 and the rotary vise 24 of the present invention are provided with a vise body 231 formed in the shape of a longitudinal body on the lower side, and the upper side of the upper side of the vise body 231 Thus, the plate-shaped base 232 on which the guide grooves 232A are formed is formed. In addition, a holding groove 233A is formed on the front surface of the upper surface of the base 232, and a holding hole 233 having a slide rod 235 is formed on the rear side, and the holding hole 233 is formed on the bottom surface of the base 232. The guide protrusion 233B formed to protrude downward is formed to be movable forward and backward along the guide groove 232A of the base 232. In addition, a slide hole 234E is formed at the center portion at the rear side of the upper surface of the base 232, and is divided into an upper body 234A and a lower body 234B, and is formed to protrude upward on both sides of the lower body 234B. The slide rod 235 of the gripper 233 is fastened by the nut 234D to the bolt 234C penetrating the sieve 234A, and it can be released.

3a and 3b is a cross-sectional view and a longitudinal cross-sectional view showing a drive unit of the present invention.

As shown therein, the driving unit 3 of the present invention has first and second sprockets 31 and 31A spaced apart from each other on the rotation shaft 22A of the articulated portion 2 formed at the front end of the main body 1. The second sprocket 32 formed on the side and connected to the first sprockets 31 and 31A and the chains 33 and 33A on the transmission shaft 32B rotatably formed in the main body 1 in the vertical direction. 32A is formed.

In addition, the cylinder 34 is provided inside the main body 1 between the first sprocket 31, 31A and the second sprocket 32, 32A so that the cylinder rod 34A faces the rear side of the main body 1. And, the end side of the cylinder rod 34A is connected to be interlocked with the chain 33 (33A) by the connecting bar 35, its operation relationship as described in more detail below.

First, when the cylinder rod 34A is advanced by the operation of the cylinder 34, the chains 33 and 33A connected by the cylinder rod 34A and the connection bar 35 are interlocked together by the forward thereof. Through the chains 33 and 33A, the first sprockets 31 and 31A and the second sprockets 32 and 32A are rotated in one direction about the rotation shaft 22A and the transmission shaft 32B.

Accordingly, the rotary vise 24 of the articulation 2 connected to the base 232 on the rotation shaft 22A rotates along the rotation guide body 21 to bend the pipe 100 in one direction. The bending angle of the pipe 100 is determined according to the rotation amount, which is set by the angle control unit 4 formed on one side of the chains 33 and 33A.

The angle control unit 4 is composed of a moving rod 42 formed to protrude outwardly on the chain 33, and a position detecting sensor 45 formed in the main body 1 at a predetermined interval outside thereof, and the position detecting sensor 45 is formed to be movable along the guide rod 44. The position detecting sensor 45 is a proximity sensor when the moving rod 42, which is moved with the chain 33, arrives at the position of the position detecting sensor 45, the position detecting sensor 45 detects the cylinder ( By stopping the operation of 34, the rotation angle of the rotary vise 24 is proportional to the distance between the moving rod 42 and the position detecting sensor 45.

That is, when the total distance of the guide rod 44 is 180 °, the half distance thereof forms the 90 ° rotation angle of the rotary vise 24, and the half distance thereof forms the 45 ° rotation angle of the rotary vise 24, The position detecting sensor 45 is located at the corresponding position to detect the moving rod 42, thereby limiting the advance length range of the cylinder rod 34A.

4 is an enlarged perspective view of a portion 'A' of FIG. 3A.

As shown therein, the angle control part 4 of the present invention has a moving rod 42 protruding outwardly by the fixing bar 41 on the side portion of the chain 33 and is moved together with the chain 33. In addition, the guide rod 44 is formed on the outside of the movable rod 42 at intervals, and the position detecting sensor 45 is formed on the guide rod 44, the position detecting sensor 45 is The lower side fixing band 451 is provided to enable the position movement on the guide rod 44, the fixing is configured to be fixed or released by the tightening force of the tightening screw 452 formed in the fixing band 451.

5 is a perspective view showing an embodiment of the angle control unit of the present invention.

As shown in the present invention, a pair of support pieces 43 and 43A are integrally formed on the outer surface of the main body 1 at an interval, and both ends thereof are fixed to the support pieces 43 and 43A. A plurality of guide rods 44 are formed at equal intervals in the vertical direction, and the position detection sensor for detecting the position of the moving rod 42 formed in the chain (not shown) on the guide rod 44 as described above 45 are provided to be movable along the guide rod 44, respectively.

At this time, each position detecting sensor 45 provided in the guide rod 44 is provided at different positions, which is the movement amount of the moving rod 42 moving by chain 33 transmission by the operation of the cylinder 34. It is possible to freely control the amount of rotation of the rotary vise 24 of the articulated portion 2 by restricting it according to its position, thereby forming a free bent tube.

As described above, the present invention enables the automatic bending of the pipe at the bending angle set by the mechanical operation, so that the work can be performed more quickly and accurately, thereby improving the simplicity, efficiency and productivity of the work. It has an effect.

In addition, since the setting angle can be freely converted, not only can the ease of use be used, but also the free bending pipes having different angles can be formed, and the bending can be performed by an inexperienced worker.

Claims (2)

The fixed vise 23 is fixed to one side about the rotation guide body 21 located at the tip end side of the main body 1, and the other side rotates the rotation vise 24 along the rotation guide body 21. Is composed of, the rotary vise 24 is a joint portion (2) configured to interlock with the rotary shaft (22A) of the upper rotary roller 22 of the rotary guide body 21; First sprockets 31 and 31A are arranged on upper and lower sides of the rotating shaft 22A in the rotary guide body 21, and the first sprockets 31 and 31A and a chain (in the main body 1). The second sprockets 32 and 32A connected by 33 and 33A are arranged on the vertical transmission shaft 32B, and the cylinder rod 34A is connected to the connecting bar 35 in the main body 1 therebetween. A driving unit (3) having a cylinder (34) connected to the chain (33); The moving rod 42 protrudes outward at a predetermined position of the chain 33 of the driving unit 3, and the moving rod 42 is formed on a slide rod 235 formed along the chain driving direction on the outer main body 1 thereof. Automatic pipe bending device, characterized in that consisting of an angle control unit 4 is provided with a position detecting sensor 45 for detecting the position of the. According to claim 1, The angle control unit 4 is formed in the chain 33 a plurality of moving rods 42 in the vertical direction at intervals from each other, the outer body 1 of the moving rods 42 Correspondingly formed with a plurality of guide rods 44, automatic pipe bending device, characterized in that the position sensor 45 is provided on the guide rods 44, respectively.