Synchronous polishing device for metal pipe fittings

Abstract

The invention relates to the technical field of grinding equipment, in particular to a metal pipe fitting synchronous grinding device which comprises a base, a supporting column is fixedly arranged on the upper surface of the base, a limiting ring is fixedly arranged at the top end of the supporting column, a rotating cylinder is rotationally arranged in the limiting ring, and mounting openings are symmetrically formed in the outer wall of the rotating cylinder; a first telescopic part is fixedly arranged in the mounting opening, a movable plate is arranged at the telescopic end of the first telescopic part, a mounting frame is connected to the outer side of the movable plate in a sleeving mode, a fixed rod is fixedly arranged on the inner wall of the mounting frame and penetrates through the movable plate, and a movable rod is movably arranged on the outer wall of the mounting frame in a penetrating mode. According to the metal pipe fitting polishing device, metal pipe fittings of different sizes can be conveniently polished, when the metal pipe fittings are moved out of one end of the rotary drum, the to-be-polished metal pipe fittings of the same size can be immediately fed into the rotary drum, continuous and synchronous polishing of the metal pipe fittings can be achieved, the polishing efficiency is effectively improved, and the using effect is better.

Description

Technical Field

[0001] The invention relates to the technical field of grinding equipment, and in particular to a synchronous grinding device for metal pipe fittings. Background Art

[0002] During the processing of metal pipe fittings, it is usually necessary to grind and polish their surfaces. At present, the existing grinding devices still have certain shortcomings. During use, the metal pipe fittings are usually placed in a special grinding instrument, and then the metal pipe fittings are taken out of the grinding instrument after grinding. Continuous and synchronous grinding cannot be achieved, and the length of the metal pipe fittings that can be grinded is also limited. The use effect is poor. Therefore, it is urgent to design a metal pipe fitting synchronous grinding device to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to solve the defects in the prior art and to propose a synchronous grinding device for metal pipes.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions: A synchronous grinding device for metal pipe fittings comprises a base, a support column is fixedly arranged on the upper surface of the base, and a limit ring is fixedly arranged on the top of the support column, a rotating cylinder is rotatably arranged in the limit ring, an outer wall of the rotating cylinder is symmetrically provided with a mounting opening, and a telescopic member 1 is fixedly arranged in the mounting opening, a movable plate is arranged at the telescopic end of the telescopic member 1, a mounting frame is sleeved on the outer side of the movable plate, and a fixing rod is fixedly arranged on the inner wall of the mounting frame, the fixing rod passes through the movable plate, and a movable rod is also movably arranged on the outer wall of the mounting frame, a blocking piece is fixedly arranged on one end of the movable rod, and a mounting plate is fixedly arranged on the other end of the movable rod, a grinding piece is fixedly arranged on the outer wall of the mounting plate away from the movable rod, an elastic member 1 is also sleeved on the outer side of the movable rod, and the elastic member 1 is located between the mounting frame and the mounting plate, and also comprises: A measuring mechanism, which is fixedly arranged above the base and located on either side of the rotating drum, and is used to measure the outer diameter of the metal pipe to be polished; A rotating mechanism, which is arranged above the base and is used to drive the rotating drum to rotate in the limiting ring; The supporting mechanism is arranged in the rotating drum and is used to support the metal pipe to be polished so that the metal pipe to be polished moves along the center line of the rotating drum.

[0005] As a further scheme of the present invention: the measuring mechanism includes a detection cylinder, a column is fixedly arranged on the upper surface of the base, and the detection cylinder is fixedly arranged on the top of the column, the detection cylinder is located on one side of the rotating cylinder, the outer side of the detection cylinder is provided with mounting holes distributed in an annular shape with equal distances, and a push rod is movably arranged in the mounting hole, a first roller is rotatably arranged at the end of the push rod, and the first roller is located in the detection cylinder, a moving block is arranged at the other end of the push rod, the outer wall of the moving block is provided with an arc surface, and the moving block is located on the outer side of the detection cylinder, the outer side of the push rod is also sleeved with an elastic member 2, one end of the elastic member 2 is connected to the moving block, and the other end of the elastic member 2 is connected to the outer wall of the detection cylinder, the outer side of the detection cylinder is also sleeved with a circular ring, the inner wall of the circular ring is provided with push blocks distributed in an annular shape with equal distances, and the outer wall of the push block is in contact with the arc surface of the moving block, the outer wall of the detection cylinder is provided with an electric slide rail distributed in an annular shape with equal distances, and a slider is slidably arranged in the electric slide rail, and the outer wall of the slider is fixedly connected to the inner wall of the circular ring.

[0006] As a further solution of the present invention: the rotating mechanism includes a mounting frame arranged on the upper surface of the base, a driving member is fixedly provided on the outer wall of one side of the mounting frame, and a rotating shaft is provided at the driving end of the driving member, the rotating shaft is rotatably arranged in the mounting frame, and a gear is fixedly provided on the outer wall of the rotating shaft, and the outer side of the rotating cylinder is also provided with tooth grooves distributed in an annular shape at equal distances, and the gears and the tooth grooves are meshed.

[0007] As a further solution of the present invention: the supporting mechanism includes telescopic part 2, and the outer wall of the rotating cylinder near both ends is provided with limiting holes which are equidistantly distributed in a ring shape, and the telescopic part 2 is fixed in the limiting holes, and the telescopic end of the telescopic part 2 is provided with a second roller, and the second roller is located in the rotating cylinder.

[0008] As a further solution of the present invention: the upper and lower surfaces of the movable plate are both provided with third rollers distributed at equal distances, and the third rollers are in contact with the inner wall of the installation frame, and counterweights are fixedly provided at both ends of the installation frame.

[0009] As a further solution of the present invention: a distance sensor is arranged on the outer wall of the movable plate, and a distance receiver corresponding to the distance sensor is fixedly arranged on the outer wall of the mounting plate.

[0010] As a further solution of the present invention: the telescopic member 1, the electric slide rail, the driving member and the telescopic member 2 are all connected to a switch through a wire, and the switch is electrically connected to a controller, and the distance receiver and the controller are electrically connected.

[0011] As a further solution of the present invention: an arc-shaped plate is fixedly provided on the outer wall of one side of the grinding sheet close to the measuring mechanism.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a synchronous grinding device for metal pipes. The metal pipe to be ground can be placed in a measuring mechanism, and the outer diameter of the metal pipe can be quickly measured by the measuring mechanism. Then, the metal pipe can be moved so that the metal pipe enters the rotating drum along the measuring mechanism, and the supporting mechanism can support the metal pipe so that the metal pipe can pass through the rotating drum along the center line of the rotating drum. Then, the movable plate can be driven to move by a telescopic member, and the movable plate can drive the mounting frame to move together by a fixed rod, so that the grinding sheet on the outer wall of the mounting plate fits the outer wall of the metal pipe to be ground, and the elastic member on the outer side of the movable rod is compressed, and the grinding force can be controlled by the compression amount of the elastic member, and the moving distance of the movable plate can be adjusted according to the outer diameter of the metal pipe measured by the measuring mechanism, so that the grinding sheet is in a suitable grinding state, so that The use effect is better, and then the rotating mechanism can drive the rotating drum to rotate in the limit ring, and the metal pipe fittings can be moved in the rotating drum under the action of external force, so that the grinding sheet can rotate around the moving metal pipe fittings, so as to realize the grinding of the outer wall of the metal pipe fittings, and this structure is convenient for grinding metal pipe fittings of different sizes, and the use effect is more flexible. Furthermore, when the grinding sheet rotates around the metal pipe fittings, the fixing rod in the mounting frame can slide in the movable plate under the action of the gravity of the mounting frame and the grinding sheet, so that different positions of the outer wall of the grinding sheet can effectively contact the metal pipe fittings, so that the grinding sheet can be fully utilized, and when the metal pipe fittings are moved out from one end of the rotating drum, the metal pipe fittings to be polished of the same size can be immediately sent into the rotating drum, so as to realize continuous and synchronous grinding of the metal pipe fittings, effectively improve the grinding efficiency, and the use effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic diagram of the main structure of a synchronous grinding device for metal pipes provided in an embodiment of the present invention; Figure 2 A schematic diagram of an enlarged structure of a measuring mechanism of a synchronous grinding device for metal pipes provided in an embodiment of the present invention; Figure 3 A schematic front view of the structure of a synchronous grinding device for metal pipes provided in an embodiment of the present invention; Figure 4 A schematic diagram of the enlarged structure of a movable plate and a grinding sheet of a synchronous grinding device for metal pipes provided in an embodiment of the present invention; Figure 5 A schematic diagram of the side structure of an installation frame of a synchronous grinding device for metal pipes provided in an embodiment of the present invention; Figure 6 A schematic side view of a synchronous grinding device for metal pipes provided in an embodiment of the present invention; Figure 7A schematic top view of the structure of a synchronous grinding device for metal pipes provided in an embodiment of the present invention.

[0014] In the figure: 101-base, 102-support column, 103-limiting ring, 104-rotating cylinder, 105-telescopic member 1, 107-movable plate, 108-fixed rod, 109-installation frame, 110-installation plate, 111-grinding sheet, 112-movable rod, 113-blocking sheet, 114-elastic member 1, 2-measuring mechanism, 201-column, 202-detection cylinder, 203-circular ring, 204-retaining rod, 205-first roller, 2 06-elastic part 2, 207-moving block, 208-pushing block, 209-electric slide rail, 210-sliding block, 3-rotating mechanism, 301-tooth groove, 302-gear, 303-mounting frame, 304-driving part, 305-rotating shaft, 4-supporting mechanism, 401-telescopic part 2, 402-second roller, 501-counterweight block, 502-third roller, 601-distance sensor, 602-distance receiver, 701-arc plate. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] like Figure 1-Figure 7 As shown, a synchronous grinding device for metal pipes provided by an embodiment of the present invention includes a base 101, a support column 102 is fixedly provided on the upper surface of the base 101, and a limit ring 103 is fixedly provided on the top of the support column 102, a rotating cylinder 104 is rotatably provided in the limit ring 103, and an installation opening is symmetrically provided on the outer wall of the rotating cylinder 104, and a telescopic member 105 is fixedly provided in the installation opening. The specific structure of the telescopic member 105 is not limited. In this embodiment, preferably, the telescopic member 105 adopts a hydraulic cylinder, and a movable plate 107 is provided at the telescopic end of the telescopic member 105. The outer side of the movable plate 107 is sleeved with a mounting frame 109, and the mounting frame 109 is installed on the outer side of the movable plate 109. 9 is fixedly provided with a fixed rod 108, the fixed rod 108 passes through the movable plate 107, and the outer wall of the mounting frame 109 is also penetrated and movably provided with a movable rod 112, one end of the movable rod 112 is fixedly provided with a baffle 113, and the other end of the movable rod 112 is fixedly provided with a mounting plate 110, and the outer wall of the mounting plate 110 away from the movable rod 112 is fixedly provided with a grinding sheet 111, and the outer side of the movable rod 112 is also sleeved with an elastic member 114, and the specific structure of the elastic member 114 is not limited. In this embodiment, preferably, the elastic member 114 adopts a spring, and the elastic member 114 is located between the mounting frame 109 and the mounting plate 110, and further includes: The measuring mechanism 2 is fixedly disposed above the base 101 and is located on either side of the rotating drum 104 and is used to measure the outer diameter of the metal pipe to be polished; The rotating mechanism 3 is disposed above the base 101 and is used to drive the rotating drum 104 to rotate in the limiting ring 103; The supporting mechanism 4 is arranged in the rotating drum 104 and is used to support the metal pipe to be polished and assist the metal pipe to be polished to move along the center line of the rotating drum 104 .

[0017] The metal pipe to be polished can be placed in the measuring mechanism 2, and the outer diameter of the metal pipe can be quickly measured by the measuring mechanism 2. Then, the metal pipe can be moved so that the metal pipe enters the rotating drum 104 along the measuring mechanism 2, and the supporting mechanism 4 can support the metal pipe so that the metal pipe can pass through the rotating drum 104 along the center line of the rotating drum 104. Then, the movable plate 107 can be driven to move by the telescopic member 105, and the movable plate 107 can drive the mounting frame 109 to move together through the fixed rod 108, so that the polishing sheet 111 on the outer wall of the mounting plate 110 fits the outer wall of the metal pipe to be polished, and the elastic member 114 on the outer side of the movable rod 112 is compressed, and the polishing force can be controlled by the compression amount of the elastic member 114, and the moving distance of the movable plate 107 can be adjusted according to the outer diameter of the metal pipe measured by the measuring mechanism 2, so that the polishing sheet 111 is in a suitable polishing state, and the use effect is better. Then, the rotating drum 104 can be driven to rotate in the limit ring 103 through the rotating mechanism 3, and the metal pipe fitting can be moved in the rotating drum 104 under the action of external force, so that the grinding sheet 111 can rotate around the moving metal pipe fitting, so as to achieve the grinding of the outer wall of the metal pipe fitting, and this structure is convenient for grinding metal pipe fittings of different sizes, and it is more flexible to use. Furthermore, when the grinding sheet 111 rotates around the metal pipe fitting, the fixing rod 108 in the mounting frame 109 can slide in the movable plate 107 under the action of the gravity of the mounting frame 109 and the grinding sheet 111, so that different positions of the outer wall of the grinding sheet 111 can effectively contact the metal pipe fitting, so that the grinding sheet 111 can be fully utilized, and when the metal pipe fitting is moved out from one end of the rotating drum 104, the metal pipe fitting to be ground of the same size can be immediately fed into the rotating drum 104, so that the continuous and synchronous grinding of the metal pipe fitting can be achieved, which effectively improves the grinding efficiency and has a better use effect.

[0018] As an embodiment of the present invention, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 7The measuring mechanism 2 includes a detection cylinder 202. A column 201 is fixedly arranged on the upper surface of the base 101, and the detection cylinder 202 is fixedly arranged at the top of the column 201. The detection cylinder 202 is located on one side of the rotating cylinder 104. The outer side of the detection cylinder 202 is provided with mounting holes that are equidistantly distributed in an annular shape, and a rod 204 is movably arranged in the mounting hole. A first roller 205 is rotatably arranged at the end of the rod 204, and the first roller 205 is located in the detection cylinder 202. A moving block 207 is arranged at the other end of the rod 204, and a circular groove is arranged on the outer wall of the moving block 207. The outer side of the detection tube 202 is provided with a circular ring 203, and the inner wall of the circular ring 203 is provided with push blocks 208 which are distributed in an annular manner at equal distances, and the outer wall of the push block 208 and the outer wall of the push block 208 are connected to each other. The arc surface of the moving block 207 fits with the outer wall of the detection cylinder 202, and the outer wall of the detection cylinder 202 is provided with an electric slide rail 209 that is equidistantly distributed in a ring shape, and a slider 210 is slidably provided in the electric slide rail 209, and the outer wall of the slider 210 and the inner wall of the ring 203 are fixedly connected. The metal pipe to be polished can be placed in the detection cylinder 202 and kept parallel to the detection cylinder 202, and then the slider 210 can be driven to move by the electric slide rail 209, and the slider 210 can drive the ring 203 to rotate outside the detection cylinder 202, so that the push block 20 on the inner side of the ring 203 8 Pushing the moving block 207 to move toward the detection cylinder 202 can compress the elastic member 206 on the outside of the supporting rod 204 and make the first roller 205 at the end of the supporting rod 204 press against the outer surface of the metal pipe. When the first roller 205 presses against the metal pipe, the slider 210 can no longer move. At this time, the outer diameter of the metal pipe to be polished can be quickly obtained according to the movement of the slider 210. It is very convenient to use. When the metal pipe is fed into the rotating cylinder 104, the first roller 205 can also play a role in assisting the movement, and the use effect is better.

[0019] As an embodiment of the present invention, please refer to Figure 1 and Figure 3The rotating mechanism 3 includes a mounting frame 303 arranged on the upper surface of the base 101, and a driving member 304 is fixedly arranged on the outer wall of one side of the mounting frame 303. The specific structure of the driving member 304 is not limited. In this embodiment, preferably, the driving member 304 adopts a servo motor, and a rotating shaft 305 is arranged at the driving end of the driving member 304. The rotating shaft 305 is rotatably arranged in the mounting frame 303, and a gear 302 is fixedly arranged on the outer wall of the rotating shaft 305. The outer side of the rotating drum 104 is also provided with tooth grooves 301 that are equidistantly distributed in an annular shape, and the gears 302 and the tooth grooves 301 are meshed with each other. The gear 302 can be driven to rotate by the driving member 304. Since the gear 302 is meshed with the tooth grooves 301 on the outer side of the rotating drum 104, the rotating drum 104 can be driven to rotate in the limiting ring 103, which is very convenient to use.

[0020] As an embodiment of the present invention, please refer to Figure 6 The supporting mechanism 4 includes a telescopic member 401. The specific structure of the telescopic member 401 is not limited. In the present embodiment, preferably, the telescopic member 401 adopts a hydraulic cylinder. The outer wall of the rotating drum 104 is provided with limiting holes which are equidistantly distributed in an annular shape near both ends, and the telescopic member 401 is fixedly arranged in the limiting holes. The telescopic end of the telescopic member 401 is provided with a second roller 402, and the second roller 402 is located in the rotating drum 104. When the metal pipe is placed in the rotating drum 104, the second roller 402 can be driven to move by the telescopic member 401 according to the outer diameter of the metal pipe measured by the measuring mechanism 2, so that the second roller 402 just contacts the outer side of the metal pipe, so that the second roller 402 can play a role in assisting the movement of the metal pipe, and makes the moving path of the metal pipe consistent with the center line of the rotating drum 104, which is more conducive to the grinding operation and has a better use effect.

[0021] As an embodiment of the present invention, please refer to Figure 4 and Figure 5 The upper and lower surfaces of the movable plate 107 are both provided with third rollers 502 distributed at equal distances, and the third rollers 502 are in contact with the inner wall of the mounting frame 109, and counterweight blocks 501 are fixedly provided at both ends of the mounting frame 109. Under the action of the third rollers 502 and the configuration blocks, the mounting frame 109 can move more smoothly on the outside of the movable plate 107, and the use effect is better.

[0022] As an embodiment of the present invention, please refer to Figure 4 and Figure 5A distance sensor 601 is provided on the outer wall of the movable plate 107, and a distance receiver 602 corresponding to the distance sensor 601 is fixedly provided on the outer wall of the mounting plate 110. Infrared rays can be emitted by the distance sensor 601 and received by the distance receiver 602, so as to detect the compression amount of the elastic member 114 conveniently. The compression amount of the elastic member 114 conveniently determines the grinding force of the grinding sheet 111, and the use effect is better.

[0023] As an embodiment of the present invention, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 The telescopic member 105, the electric slide rail 209, the driving member 304 and the telescopic member 2 401 are all connected to switches through wires, and the switches are electrically connected to a controller. The specific structure of the controller is not limited. In this embodiment, preferably, the controller adopts a microprogram controller, and the distance receiver 602 is electrically connected to the controller.

[0024] As an embodiment of the present invention, please refer to Figure 4 and Figure 5 An arc plate 701 is fixedly provided on the outer wall of one side of the grinding sheet 111 close to the measuring mechanism 2 , and under the guiding effect of the arc plate 701 , the metal pipe can more easily enter between the grinding sheets 111 .

[0025] During use, the metal pipe to be polished can be placed in the measuring mechanism 2, and the outer diameter of the metal pipe can be quickly measured by the measuring mechanism 2. Then, the metal pipe can be moved so that the metal pipe enters the rotating drum 104 along the measuring mechanism 2, and the supporting mechanism 4 can support the metal pipe so that the metal pipe can pass through the rotating drum 104 along the center line of the rotating drum 104. Then, the movable plate 107 can be driven to move by the telescopic member 105, and the movable plate 107 can drive the mounting frame 109 to move together through the fixed rod 108, so that the polishing sheet 111 on the outer wall of the mounting plate 110 fits the outer wall of the metal pipe to be polished, and the elastic member 114 on the outer side of the movable rod 112 is compressed, and the polishing force can be controlled by the compression amount of the elastic member 114, and the moving distance of the movable plate 107 can be adjusted according to the outer diameter of the metal pipe measured by the measuring mechanism 2, so that the polishing sheet 111 is in a suitable polishing state, and the use effect is better. Preferably, the rotating drum 104 can be driven to rotate in the limiting ring 103 through the rotating mechanism 3, and the metal pipe fitting can be moved in the rotating drum 104 under the action of external force, so that the grinding sheet 111 can rotate around the moving metal pipe fitting, so that the outer wall of the metal pipe fitting can be ground, and this structure is convenient for grinding metal pipe fittings of different sizes, and the use is more flexible. Furthermore, when the grinding sheet 111 rotates around the metal pipe fitting, the fixing rod 108 in the mounting frame 109 can slide in the movable plate 107 under the action of the gravity of the mounting frame 109 and the grinding sheet 111, so that different positions of the outer wall of the grinding sheet 111 can effectively contact the metal pipe fitting, so that the grinding sheet 111 can be fully utilized, and when the metal pipe fitting is moved out from one end of the rotating drum 104, the metal pipe fitting to be ground of the same size can be immediately fed into the rotating drum 104, so that the continuous and synchronous grinding of the metal pipe fitting can be realized, the grinding efficiency is effectively improved, and the use effect is better.

[0026] It should be particularly noted that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A synchronous grinding device for metal pipes, comprising a base, characterized in that: A support column is fixedly provided on the upper surface of the base, and a limit ring is fixedly provided on the top of the support column, a rotating drum is rotatably provided in the limit ring, an installation opening is symmetrically provided on the outer wall of the rotating drum, and a telescopic member 1 is fixedly provided in the installation opening, a movable plate is provided at the telescopic end of the telescopic member 1, a mounting frame is sleeved on the outer side of the movable plate, and a fixing rod is fixedly provided on the inner wall of the mounting frame, the fixing rod passes through the movable plate, and a movable rod is also movably provided on the outer wall of the mounting frame, a blocking piece is fixedly provided on one end of the movable rod, and a mounting plate is fixedly provided on the other end of the movable rod, a grinding piece is fixedly provided on the outer wall of the mounting plate away from the movable rod, an elastic member 1 is also sleeved on the outer side of the movable rod, and the elastic member 1 is located between the mounting frame and the mounting plate, and also includes: A measuring mechanism, which is fixedly arranged above the base and located on either side of the rotating drum, and is used to measure the outer diameter of the metal pipe to be polished; A rotating mechanism, which is arranged above the base and is used to drive the rotating drum to rotate in the limiting ring; The supporting mechanism is arranged in the rotating drum and is used to support the metal pipe to be polished so that the metal pipe to be polished moves along the center line of the rotating drum.

2. A synchronous grinding device for metal pipes according to claim 1, characterized in that: The measuring mechanism comprises a detection cylinder, a column is fixedly arranged on the upper surface of the base, and the detection cylinder is fixedly arranged on the top of the column, the detection cylinder is located on one side of the rotating cylinder, the outer side of the detection cylinder is provided with mounting holes distributed in an annular shape with equal distances, and a resist rod is movably arranged in the mounting hole, the end of the resist rod is rotatably provided with a first roller, and the first roller is located in the detection cylinder, the other end of the resist rod is provided with a moving block, the outer wall of the moving block is provided with an arc surface, and the moving block is located on the outer side of the detection cylinder, the outer side of the resist rod is also sleeved with an elastic member 2, one end of the elastic member 2 is connected to the moving block, and the other end of the elastic member 2 is connected to the outer wall of the detection cylinder, the outer side of the detection cylinder is also sleeved with a circular ring, the inner wall of the circular ring is provided with push blocks distributed in an annular shape with equal distances, and the outer wall of the push block is in contact with the arc surface of the moving block, the outer wall of the detection cylinder is provided with an electric slide rail distributed in an annular shape with equal distances, and a slider is slidably arranged in the electric slide rail, and the outer wall of the slider is fixedly connected to the inner wall of the circular ring.

3. A synchronous grinding device for metal pipes according to claim 2, characterized in that: The rotating mechanism includes a mounting frame arranged on the upper surface of the base, a driving member is fixedly arranged on an outer wall of one side of the mounting frame, and a rotating shaft is arranged at the driving end of the driving member, the rotating shaft is rotatably arranged in the mounting frame, and a gear is fixedly arranged on the outer wall of the rotating shaft, and the outer side of the rotating cylinder is also provided with tooth grooves distributed in an annular shape with equal distances, and the gears and the tooth grooves are meshed.

4. A synchronous grinding device for metal pipes according to claim 3, characterized in that: The supporting mechanism includes telescopic member 2, and the outer wall of the rotating drum near both ends is provided with limiting holes distributed in an annular shape with equal distances, and the telescopic member 2 is fixedly arranged in the limiting holes. The telescopic end of the telescopic member 2 is provided with a second roller, and the second roller is located in the rotating drum.

5. The synchronous grinding device for metal pipes according to claim 1, characterized in that: The upper and lower surfaces of the movable plate are both provided with third rollers which are distributed at equal distances, and the third rollers are in contact with the inner wall of the installation frame, and counterweight blocks are fixedly provided at both ends of the installation frame.

6. A synchronous grinding device for metal pipes according to claim 4, characterized in that: The outer wall of the movable plate is provided with a distance sensor, and the outer wall of the mounting plate is fixedly provided with a distance receiver corresponding to the distance sensor.

7. A synchronous grinding device for metal pipes according to claim 6, characterized in that: The telescopic member 1, the electric slide rail, the driving member and the telescopic member 2 are all connected to switches through wires, and the switches are electrically connected to a controller, and the distance receiver and the controller are electrically connected.

8. The synchronous grinding device for metal pipes according to claim 1, characterized in that: An arc-shaped plate is fixedly arranged on the outer wall of one side of the grinding sheet close to the measuring mechanism.

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