KR200285926Y1 - Welding Wheel Automatic Polishing Machine - Google Patents

Abstract

The present invention facilitates the removal of foreign substances and slag attached to the welding wheel during welding, thereby preventing equipment accidents such as plate break, preventing excessive wear of the welding wheel, and reducing work efficiency by stopping the production line. It relates to an improved welding wheel automatic polishing device to prevent the.

The present invention, the body portion is mounted to the frame of the welder so that the middle portion is rotatable, the front upper side of the body is mounted so that the dresser is rotatable, and the circular grinder rotatable to the lower side of the dresser; An operation cylinder rotatably mounted to a rear end of the body to rotate the body such that any one of the dresser and the circular grinder contacts the outer circumferential surface of the welding wheel by the up and down operation of the rod; The motor body is fixed to one side of the body, the first sprocket is mounted to the rotary shaft of the motor, the second and third sprockets are mounted to the rotary shaft of the dresser and the circular grinder, respectively, the first, second and third A driving part having a chain connecting the sprocket; and a fixing bolt fitted into the long hole of the body and a nut screwed thereto, wherein the idle bolt is mounted between the washers, and the idle sprocket is connected to the chain. And a tension adjusting unit for adjusting the tension of the chain by being transversely displaced on the long hole.

Description

Welding Wheel Automatic Polishing Machine

The present invention relates to a device for polishing a welding wheel, more specifically, it is easy to remove foreign substances and slag attached to the welding wheel during welding to prevent equipment accidents such as plate break, excessive wear of the welding wheel, etc. The present invention relates to an improved welding wheel automatic polishing device for preventing the deterioration of work efficiency due to the stop of the production line.

In general, in the strip production line to perform the continuous work of welding the wire, post coil strips, at this time, welding defects are generated in the welding site due to foreign matter or slag attached to the welding wheel. Conventional welding wheel automatic polishing device 100 is disposed on one side of the welding machine 110, as shown in Figure 1, the welding as being located on one side of the upper and lower welding wheel 115 of the welding machine 110. A circular dresser 120, which abuts against the outer circumferential surface of the wheel 115 and polishes the outer circumferential surface, is provided on one side of the welding wheel 115, and the lifting cylinder for rotating the dresser 120 toward the welding wheel 115 side. (122) and the like.

On the other hand, the welder 110 welds overlapping the leading end of the preceding coil and the leading end of the trailing coil in the stripline to correct the defects generated in the previous process to produce the final product, foreign matter or slag on the welding wheel during the welding operation If is, the welding of the strip (S) is poor due to the instability of the welding current value, it is a factor of the plate breaking due to the welding failure during the progress of the strip (S). Therefore, when foreign matter or slag is attached to the welding wheel 115, in order to remove it by using a manual or conventional welding wheel automatic polishing device 100, the welding wheel 115 by hand as shown in Figure 2c) When repairing, the polishing operation causes an increase in the work delay time, thereby reducing work productivity. Therefore, the conventional welding wheel automatic polishing device 110 is used, and in particular, when the strip (S) is a plating material, unlike the general material, as shown in b) of FIG. 2, the welding wheel by plating powder during welding Since a large amount of contamination of the 115 is generated, after welding, the welding wheel 115 is dressed as the dresser 120 as a dresser 120 as shown in FIG. 115 may cause excessive wear of the welding wheel 115, leading to premature wear of the welding wheel 115, and when the foreign material or the slag attachment portion of the welding wheel 115 is manually polished, the wear of the welding wheel 115 may be generated. Therefore, the welding failure is caused by the imbalance of the welding current.

In the case of the above welding failure, plate breakage is caused by the welding failure, and it causes a safety accident during re-welding and break recovery work of the front and trailing coil strips (S). There was a problem that the work efficiency is lowered.

The present invention is to solve the conventional problems as described above, to prevent plate breakage due to poor welding during the progress of the strip, to prevent the occurrence of wear and tear caused by manual polishing of the welding wheel, and to prevent excessive salting of the welding wheel polishing It is an object of the present invention to provide an automatic polishing apparatus for welding wheels that can induce cost reduction and stable current generation during welding.

1 is a block diagram showing a conventional welding wheel automatic polishing operation;

2 is a view showing a polished state of a welding wheel;

a) is a view showing the polishing state of the welding wheel by the dresser,

b) is a view showing a state in which foreign matter is attached to the welding wheel,

c) is a view showing the polishing state of the welding wheel by hand,

3 is an exploded perspective view of a welding wheel automatic polishing device according to the present invention;

4 is a combined configuration of the welding wheel automatic polishing device according to the present invention.

Explanation of symbols on the main parts of the drawings

10 .... Body 12 .. Body

16 ..... Support 18 ..... Dresser

20 ..... Grinder 25 ..... Motion Cylinder

35 ..... Drive motor 40a, 40b, 40c ... Drive motor

42 ..... Chain 50 ..... Tension Control

In order to achieve the above object, the present invention, in the apparatus for polishing the welding wheel is disposed on one side of the welder, the body is mounted so that the middle portion is rotatable to the frame of the welder, the dresser on the front upper side of the body It is rotatably mounted, the body portion is mounted so that the circular grinder rotatable to the lower side of the dresser; An operation cylinder rotatably mounted to a rear end of the body to rotate the body such that any one of the dresser and the circular grinder contacts the outer circumferential surface of the welding wheel by the up and down operation of the rod; The motor body is fixed to one side of the body, the first sprocket is mounted to the rotary shaft of the motor, the second and third sprockets are mounted to the rotary shaft of the dresser and the circular grinder, respectively, the first, second and third A drive unit having a chain connecting a sprocket to rotate the dresser and the circular grinder by the operation of the motor; and a long bolt formed transversely in the front middle portion of the body, the fixing bolt being fitted into the long hole and a screw thereon. It comprises a nut for coupling, the fixing bolt is mounted between the washer between the idle sprocket, the idle sprocket is connected to the chain and the tension adjustment portion for adjusting the tension of the chain by being transversely displaced on the long hole; It is to provide a welding wheel automatic polishing device.

Hereinafter, the present invention will be described in more detail with reference to the drawings.

The welding wheel automatic polishing device 1 of the present invention is disposed on one side of the welding machine 110 to perform polishing of the welding wheel 115 after the welding operation, and an intermediate part rotates in the frame 110a of the welding machine 110. Having a body portion 10 to be mounted as possible, the body portion 10 has a body 12 of two-ply plate connected to the middle portion of the bar, the body 12 is the middle portion of the two-ply plate The pin 14 is connected to the upper end of the support 16 upright from the frame 110a so that the frame 110a can be pivoted forward and backward. In addition, the dresser 18 is rotatably mounted on the front upper side of the body 12, and the circular grinder 20 is rotatably mounted to the lower side of the dresser 18, and the dresser 18 is circular. Each of the grinders 20 is fixed on shafts 18a and 18b fitted to be rotatably penetrating the body 12 laterally. On the other hand, the grinder 20 is the same as the grinding wheel having a small particle size, and when the outer peripheral surface of the welding wheel 115 is polished, the polishing amount is significantly smaller than that of the dresser 18, and the fineness of the welding wheel 115 is reduced. It has a particle size used for polishing.

And an operation cylinder which is located at the rear end of the body 12 and rotates the body 12 so that any one of the dresser 18 and the circular grinder 20 selectively contacts the outer circumferential surface of the welding wheel 115 ( 25 may be formed of a pneumatic or hydraulic cylinder, the cylinder body 25a is rotatably connected to one side of the support 16 via a pin 27, and is movable up and down from the cylinder body 25a The rod 25b has a structure in which the front end portion is rotatably connected to the rear end of the body 12 through the pin 29. Therefore, the operation cylinder 25 is to operate the body 12 up and down like a seesaw around the middle of the body 12 by the up and down operation of the rod 25b.

In addition, one side of the body 12 is provided with a drive unit 35 for rotating the dresser 18 and the circular grinder 20, the drive unit 35 is a hole 12a formed in the center of the body 12 The main body of the motor 37 is fixed, and the first sprocket 40 is mounted on the rotating shaft 37a of the motor 37, and the rotating shaft 18a of the dresser 18 and the circular grinder 20 18b), the second and third sprockets 40b and 40c are mounted toward the first sprocket 40a, respectively, to form the first, second and third sprockets 40a, 40b and 40c. The chain 42 is configured to connect. Therefore, when the first sprocket 40a is rotated by the operation of the motor 37, the second and third sprockets 40b and 40c are simultaneously rotated through the chain 42, and thus, the dresser 18 And the circular grinder 20 is rotated. In addition, the drive motor 37 may be an electrically operated electric motor and may be a pneumatic motor operated as a pneumatic force, the present invention is not limited to any of them.

On the other hand, the front middle portion of the body 12 is equipped with a tension adjusting unit 50 for adjusting the tension of the chain 42, the tension adjusting unit 50 is a long penetrating the body 12 laterally A hole 52 is formed and has a fixing bolt 54 fitted into the long hole 52 and a nut 56 screwed thereto. The fixing bolt 54 is tightened by the nut 56. The position on the long hole 52 can be changed and fixed. In addition, a plurality of washers 56 are inserted through the fixing bolts 54 and mounted on the fixing bolts 54 so that the idle sprocket 40d is rotatable between the washers 56, and the idle sprocket 40d. Is connected to the chain 42 and is configured to idle during the progress of the chain 42.

Welding wheel automatic polishing device 1 of the present invention is configured as described above when the foreign matter and slag attached to the welding wheel 115 after welding, to minimize the amount of wear of the welding wheel 115 and the welding wheel (generated during polishing) 115) prevents uneven wear. In addition, the welding wheel automatic polishing device 1 of the present invention consumes a lot of current and strips S having a thickness of more than 2.0 mm having a high adhesion of foreign substances and slag due to a large amount of heat generated during welding may have a dresser 18 after welding. Clean the welding wheel 115 by using, the general material of 2.0mm or less in thickness, and the plating material (galvanizing, electroplating material) with the plating powder is used to grinder 20 after welding, welding during polishing The pressing force of the dresser 18 or the grinder 20 continues to act on the wheel 115 at a constant pressure to prevent the occurrence of uneven wear.

In order to achieve the grinding operation of the welding wheel 115 by the dresser 18, when the rod 25b of the operation cylinder 25 is raised, it is rotatably mounted on the front upper side of the body 12. The dresser 18 is inclined toward one side of the welding wheel 115 to contact the outer circumferential surface of the welding wheel 115, and in this state, the welding wheel 115 is rotated, and at the same time, the motor of the driving unit 35 ( 37 also rotates the dresser 18 opposite to the rotation direction of the welding wheel 115. Therefore, the welding wheel 115 in contact with the outer peripheral surface of the dresser 18 is cleaned by cleaning the outer peripheral surface.

In addition, unlike the above, if the grinding wheel 20 is to be polished using the grinder 20 while the polishing amount of the welding wheel 115 is reduced, the rod 25b of the operation cylinder 25 is removed. By lowering, the grinder 20 at the lower end of the dresser 18 comes into contact with the outer circumferential surface of the welding wheel 115, and the rotation of the grinder 20 is performed by the operation of the driving motor 37 as described above. ) To achieve polishing.

In addition, the pressing force during polishing of the welding wheel 115 is operated at a pressure of 1KG / cm 2 for 2 seconds and a pressure of 1KG / cm 2 is applied for 5 seconds, after which the operation of the operation cylinder 25 is stopped to prevent uneven wear during polishing. Since this operation is performed three times during polishing, accurate polishing of the welding wheel 115 can be achieved.

When the welding wheel automatic polishing device 1 of the present invention is used as described above, the foreign substances or slag of the welding wheel 115 generated during welding are effectively removed from the welding wheel 115 to stably generate a current during welding. S) Prevents large equipment accidents by preventing plate breakage due to poor welding during the operation, prevents occurrence of uneven wear when polishing the welding wheel 115 by manual operation, and costs according to the decrease in the polishing amount of the welding wheel 115. A great effect is obtained in savings and improving worker efficiency.

Claims (1)

In the apparatus for polishing the welding wheel 115 is disposed on one side of the welding machine 110, The body 12 is mounted on the frame 110a of the welder 110 so that the middle part is rotatable, and the dresser 18 is rotatably mounted on the front upper side of the body 12, and the dresser 18 is rotated. Body portion 10 is mounted so that the circular grinder 20 is rotatable to the lower side; The front end of the rod 25b is rotatably mounted to the rear end of the body 12 so that any one of the dresser 18 and the circular grinder 20 is moved by the up and down operation of the rod 25b. An operation cylinder 25 for rotating the body 12 to contact the outer circumferential surface of the 115; The main body of the motor 37 is fixed to one side of the body 12, and the first sprocket 40a is mounted on the rotating shaft 37a of the motor 37, and the dresser 18 and the circular grinder 20 The second and third sprockets 40b and 40c are mounted on the rotary shafts 18a and 18b, respectively, while the chains 42 connect the first, second and third sprockets 40a, 40b and 40c. A driving unit 35 for rotating the dresser 18 and the circular grinder 20 by the operation of the motor 37; and a horizontally long hole 12a is formed in the front middle portion of the body 12. And a fixing bolt 54 fitted into the long hole 12a and a nut 30 screwed thereto, and the idle bolt sprocket 40d is mounted between the washers 56. The idle sprocket (40d) is connected to the chain 42 and the tension adjustment unit 50 for adjusting the tension of the chain 42 by being transversely displaced on the long hole (12a); Welding wheel automatic polishing machine.