Automatic pipe cutting and chamfering machine

Abstract

The invention relates to the technical field of pipe machining, in particular to an automatic pipe cutting and chamfering machine which comprises a rack, a first moving mechanism is installed on the rack, a rotary clamping mechanism is installed on the first moving mechanism, a second moving mechanism is further installed on the first moving mechanism and located on one side of the rotary clamping mechanism, and the second moving mechanism is located on the other side of the rotary clamping mechanism. A cutter assembly is mounted on the second moving mechanism and comprises a cutter arranging plate, a cutter holder is fixedly connected to the top of the cutter arranging plate and comprises a cutter holder body, clamping grooves are formed in the left side wall and the right side wall of the cutter holder body, a cutter is mounted in the clamping groove in one side, and a cutter is mounted in the clamping groove in the other side. A chamfering tool is installed in the clamping groove in the other side, and the chamfering tool is perpendicular to the cutting tool. According to the pipe cutting device, pipes can be automatically cut, chamfering operation is conducted on the cut pipes, the pipe cutting process is simplified, and pipe machining is facilitated.

Description

Technical Field

[0001] The invention relates to the field of pipe processing, in particular to an automatic pipe cutting and chamfering machine. Background Art

[0002] Stainless steel pipes are relatively long. Standard stainless steel pipes are generally 6 meters long. They are cut, punched, and welded into various stainless steel parts according to different product needs. Common cutting processes include: circular saw cutting, grinding wheel cutting, plasma cutting, wire cutting, hob cutting, etc. After cutting, burrs will remain on the edge of the pipe, and the cut edge of the pipe needs to be chamfered.

[0003] When applying for the present invention, the applicant found through search that a Chinese patent disclosed "a steel pipe cutting and chamfering machine", and its application number is "CN201410448611.2". This patent mainly drives the transmission shaft through the belt on the pulley, one end of the transmission shaft is connected to the pulley, and the other end of the transmission shaft is installed with a cutter head. The material selection disk is located on the side of the transmission shaft where the cutter head is installed. The steel pipe is placed on the material selection disk. After the motor is started, the steel pipe is pushed toward the cutter head to chamfer the cut of the steel pipe.

[0004] When using the above-mentioned steel pipe cutting and chamfering machine, it is necessary to first cut the pipe with a cutting workpiece, and then chamfer one end of the pipe. After the processing is completed, the chamfered pipe needs to be removed and other pipes need to be placed in front of the cutter head for chamfering. The large number of operation steps leads to a slow cutting speed of the pipe, which is inconvenient for cutting and chamfering the pipe. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an automatic pipe cutting and chamfering machine.

[0006] In order to achieve the above-mentioned objectives, the present invention adopts the following technical scheme: an automatic pipe cutting and chamfering machine, comprising a frame, a first moving mechanism is installed on the frame, a rotating clamping mechanism is installed on the first moving mechanism, a second moving mechanism is also installed on the first moving mechanism, and the second moving mechanism is located on one side of the rotating clamping mechanism, a cutting knife assembly is installed on the second moving mechanism, the cutting knife assembly comprises a knife row plate, a knife clamp is fixedly connected to the top of the knife row plate, the knife clamp comprises a knife clamp body, left and right side walls of the knife clamp body are provided with card slots, a cutting knife is installed inside the card slot on one side, and a chamfering knife is installed inside the card slot on the other side, and the chamfering knife and the cutting knife are perpendicular to each other.

[0007] As a further description of the above technical solution: The first moving mechanism includes a servo motor, which is installed on the upper surface of the frame. An adjusting screw is installed at the output end of the servo motor. The first moving mechanism also includes a track, which is installed on the upper surface of the frame. The servo motor is located in the middle of the track. A base plate is provided on the top of the track. A connecting block is fixedly connected to the lower surface of the base plate, and the connecting block is installed on the adjusting screw.

[0008] As a further description of the above technical solution: The lower surface of the bottom plate is also fixedly connected with a limiting block, and the limiting block is installed on the track.

[0009] As a further description of the above technical solution: The rotary clamping mechanism comprises a motor frame, the lower surface of the motor frame is fixedly connected to the upper surface of the bottom plate, a rotary motor is fixedly connected to the motor frame, and a driving wheel is fixedly connected to the output end of the rotary motor.

[0010] As a further description of the above technical solution: The rotating clamping mechanism also includes a cushion block, the lower surface of which is fixedly connected to the upper surface of the base plate, and the cushion block is located on one side of the motor frame, the top of the cushion block is fixedly connected to a fixing frame, the interior of the fixing frame is movably connected to a clamping frame, one end of the clamping frame is fixedly connected to a driven wheel, and the driven wheel is located above the driving wheel.

[0011] As a further description of the above technical solution: The clamping frame comprises a clamping frame body, a circular channel is provided inside the clamping frame body, a telescopic slot is provided inside the clamping frame body, a spring is fixedly connected inside the telescopic slot, a clamping block is fixedly connected to one end of the spring, and the clamping block is located inside the circular channel.

[0012] As a further description of the above technical solution: The second moving mechanism includes a first screw guide slide, the first screw guide slide is installed on the upper surface of the base plate, one end of the first screw guide slide is fixedly connected to a first motor, a moving plate is installed on the first screw guide slide, the upper surface of the moving plate is fixedly connected to a second screw guide slide, one end of the second screw guide slide is fixedly connected to a second motor, and the tool row plate is installed on the second screw guide slide.

[0013] As a further description of the above technical solution: There are two groups of the first moving mechanisms, each group of the first moving mechanisms is equipped with a rotating clamping mechanism, a second moving mechanism, and a cutter assembly, and the two groups of the first moving mechanisms are vertically arranged.

[0014] The present invention has the following beneficial effects: 1. Compared with the prior art, the automatic pipe cutting and chamfering machine, through the first moving mechanism, the rotating clamping mechanism, the second moving mechanism, and the cutting knife assembly, places the pipe in the clamping frame when in use, and then the servo motor starts to work to control the bottom plate to move forward. After reaching the specified position, the servo motor stops working, and the rotating motor starts to work to drive the driving wheel to rotate, and drives the driven wheel to rotate through the belt, so that the clamping frame and the internal pipe can also rotate together. At the same time, the first motor and the second motor work to adjust the position of the cutter plate, control the cutting knife to contact with the rotating pipe, and use the cutting knife to cut the pipe. After the pipe is cut, the servo motor continues to work to separate the two cut pipes for a distance, and then Afterwards, the first motor and the second motor work to adjust the position of the cutter plate to control the chamfering knife to contact the fracture of the pipe, and the chamfering knife is used to chamfer the fracture of the pipe. Compared with the existing steel pipe cutting and chamfering machine, it is necessary to first cut the pipe with a cutting workpiece when using it, and then chamfer the cut end of the pipe. After the processing is completed, the chamfered pipe needs to be removed and the other pipes need to be placed in front of the cutter head for chamfering. The large number of operating steps leads to a slow cutting speed of the pipe, which is inconvenient for cutting and chamfering of the pipe. The automatic pipe cutting and chamfering machine can automatically cut the pipe and chamfer the pipe after cutting, which simplifies the pipe cutting process and facilitates pipe processing.

[0015] 2. Compared with the prior art, the automatic pipe cutting and chamfering machine, through two sets of first moving mechanisms, can chamfer the two fractures of the pipe at the same time when in use, without the need to chamfer the pipes one by one, thus simplifying the pipe processing steps and facilitating pipe processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the automatic pipe cutting and chamfering machine proposed by the present invention; Figure 2 A schematic diagram of a first moving mechanism of the automatic pipe cutting and chamfering machine proposed in the present invention; Figure 3 A schematic diagram of the rotary clamping mechanism of the automatic pipe cutting and chamfering machine proposed by the present invention; Figure 4 A schematic diagram of the second moving mechanism and the cutter assembly of the automatic pipe cutting and chamfering machine proposed by the present invention; Figure 5 A cross-sectional view of the internal structure of the clamping frame of the automatic pipe cutting and chamfering machine proposed by the present invention; Figure 6 This is a schematic diagram of the cutter body of the automatic pipe cutting and chamfering machine proposed in the present invention.

[0017] Legend: 1. Frame; 2. First moving mechanism; 201. Servo motor; 202. Adjusting screw rod; 203. Track; 204. Bottom plate; 205. Limit block; 206. Connecting block; 3. Rotating clamping mechanism; 301. Motor frame; 302. Rotating motor; 303. Driving wheel; 304. Pad; 305. Fixed frame; 306. Clamping frame; 3061. Clamping frame body; 3062. Telescopic slot; 30 63. Spring; 3064. Clamp; 307. Driven wheel; 4. Second moving mechanism; 401. First screw guide rail slide; 402. First motor; 403. Moving plate; 404. Second screw guide rail slide; 405. Second motor; 5. Cutter assembly; 501. Cutter plate; 502. Cutter clamp; 5021. Cutter clamp body; 5022. Slot; 5023. Cutting knife; 5024. Chamfering knife. DETAILED DESCRIPTION

[0018] Reference Figure 1-6The automatic pipe cutting and chamfering machine provided by the present invention comprises a frame 1, a first moving mechanism 2 is installed on the frame 1, the number of the first moving mechanisms 2 is two, one of the two first moving mechanisms 2 is vertically arranged, and the other is horizontally arranged. The first moving mechanism 2 controls other components to move forward and backward on the frame 1. A rotating clamping mechanism 3 is installed on the first moving mechanism 2. When in use, the pipe is installed in the rotating clamping mechanism 3. The rotating clamping mechanism 3 clamps the pipe and drives the pipe to rotate, which is convenient for the automatic pipe cutting and chamfering machine to automatically cut and chamfer the pipe. After the pipe is installed in the rotating clamping mechanism 3, the vertical first moving mechanism 2 can control the pipe to move forward and backward, which is convenient for Adjust the cutting length of the pipe. After the cutting is completed, the first horizontal moving mechanism 2 can control the horizontal movement of the cut pipe, and the two cut pipes are separated by offset, which is convenient for chamfering the pipe. The first moving mechanism 2 is also equipped with a second moving mechanism 4, and the second moving mechanism 4 is located on one side of the rotating clamping mechanism 3. The second moving mechanism 4 is equipped with a cutter assembly 5, which can drive the cutter assembly 5 to move forward and backward. The cutter assembly 5 includes a cutter plate 501, and a knife clamp 502 is fixedly connected to the top of the cutter plate 501. The knife clamp 502 includes a knife clamp body 5021. The left and right side walls of the knife clamp body 5021 are both provided with a card slot 5 022, a cutting knife 5023 is installed inside the card slot 5022 on one side, and a chamfering knife 5024 is installed inside the card slot 5022 on the other side, and the chamfering knife 5024 and the cutting knife 5023 are perpendicular to each other. The cutting knife 5023 can be used to cut the rotating pipe, and the chamfering knife 5024 can be used to chamfer the fracture of the pipe. When in use, the pipe is placed in the rotating clamping mechanism 3, and then the first moving mechanism 2 starts to work to drive the pipe to move and adjust the cutting position of the pipe. The rotating clamping mechanism 3 drives the pipe to rotate, and at the same time the second moving mechanism 4 works to adjust the position of the knife plate 501, and controls the cutting knife 5023 to contact with the rotating pipe. The pipe is cut by the cutting knife 5023, and the outer edge of the broken pipe is chamfered and polished by the cutting knife 5023. After the pipe is cut, the first horizontal moving mechanism 2 continues to work to offset the two cut pipes for a distance. Then the second moving mechanism 4 works to adjust the position of the knife plate 501 to control the chamfering knife 5024 to contact the fracture of the pipe. The chamfering knife 5024 is used to chamfer the inner edge of the fracture of the pipe. Such reciprocating work can continuously cut and chamfer the pipe. The direction of movement of the other end is vertical 90 degrees, and the chamfering knife is assembled with a cross mold, negative chamfering. After the pipe is cut, it is offset 90 degrees. After processing, it returns to the origin and continues to feed.

[0019] The rotating clamping mechanism 3 includes a motor frame 301, a rotating motor 302 is fixedly connected to the motor frame 301, a driving wheel 303 is fixedly connected to the output end of the rotating motor 302, and the rotating motor 302 drives the driving wheel 303 to rotate when working. The rotating clamping mechanism 3 also includes a cushion block 304, a fixed frame 305 is fixedly connected to the top of the cushion block 304, a clamping frame 306 is movably connected to the inside of the fixed frame 305, a pipe is installed inside the clamping frame 306, and the clamping frame 306 can rotate inside the fixed frame 305, and one end of the clamping frame 306 is fixedly connected to a driven wheel 307, and the driven wheel 307 is located above the driving wheel 303, and the driven wheel 307 is connected to the driving wheel A belt is arranged between 303 (the belt is not drawn), and the driving wheel 303 can drive the driven wheel 307 to rotate together when rotating, and then drive the pipe to rotate together. The clamping frame 306 includes a clamping frame body 3061, and a circular channel is opened inside the clamping frame body 3061, and a telescopic groove 3062 is opened inside the clamping frame body 3061. A spring 3063 is fixedly connected inside the telescopic groove 3062, and a clamping block 3064 is fixedly connected to one end of the spring 3063. The clamping block 3064 is located inside the circular channel, and the pipe is installed inside the circular channel. The clamping block 3064 can clamp and limit the pipe, so that the pipe can rotate with the clamping frame 306.

[0020] The first moving mechanism 2 includes a servo motor 201, which is mounted on the upper surface of the frame 1. An adjusting screw rod 202 is mounted on the output end of the servo motor 201. The adjusting screw rod 202 can be controlled to rotate by the servo motor 201. The first moving mechanism 2 also includes a track 203, which is mounted on the upper surface of the frame 1. The servo motor 201 is located in the middle of the track 203. A base plate 204 is provided on the top of the track 203. The base plate 204 can move on the track 203. A connecting block 206 is fixedly connected to the lower surface of the base plate 204. The connecting block 206 is mounted on the adjusting screw rod 202. The servo motor 201 drives the adjusting screw rod 202 to rotate and then drives the base plate 204 to move on the track 203 to adjust the position of the components on the base plate 204. A limiting block 205 is also fixedly connected to the lower surface of the base plate 204. The limiting block 205 is mounted on the track 203 to facilitate the base plate 204 to move better on the track 203.

[0021] The lower surface of the motor frame 301 is fixedly connected to the upper surface of the base plate 204, the lower surface of the cushion block 304 is fixedly connected to the upper surface of the base plate 204, and the cushion block 304 is located on one side of the motor frame 301. The motor frame 301 and the cushion block 304 are both installed on the base plate 204. When the base plate 204 moves, it will move with the rotating clamping mechanism 3.

[0022] The second moving mechanism 4 includes a first screw guide slide 401, a first screw is installed inside the first screw guide slide 401, the first screw guide slide 401 is installed on the upper surface of the bottom plate 204, one end of the first screw guide slide 401 is fixedly connected to a first motor 402, the output end of the first motor 402 is fixedly connected to the first screw, a moving plate 403 is installed on the first screw guide slide 401, and the moving plate 403 is installed on the first screw. When the first motor 402 works, it will drive the first screw inside the first screw guide slide 401 to rotate, and then drive the moving plate 403 to move back and forth on the first screw guide slide 401, and the moving plate 403 3 is fixedly connected to the upper surface of the second screw guide slide 404, so that the second screw guide slide 404 can move along with the movable plate 403, and a second screw is installed inside the second screw guide slide 404, and a second motor 405 is fixedly connected to one end of the second screw guide slide 404, and the output end of the second motor 405 is fixedly connected to one end of the second screw, and the cutter plate 501 is installed on the second screw guide slide 404, and the cutter plate 501 is installed on the second screw, and the second motor 405 will drive the second screw inside the second screw guide slide 404 to rotate when it works, thereby driving the cutter plate 501 to move on the second screw guide slide 404.

[0023] There are two groups of first movable mechanisms 2, and each group of first movable mechanisms 2 is equipped with a rotating clamping mechanism 3, a second movable mechanism 4, and a cutting knife assembly 5. The two groups of first movable mechanisms 2 are vertically arranged, so that the automatic pipe cutting and chamfering machine can chamfer the two fractures of the pipe at the same time when in use, without the need to chamfer the pipes one by one, thereby simplifying the pipe processing steps and facilitating pipe processing.

[0024] Working principle: When in use, place the pipe in the clamping frame 306, then the servo motor 201 starts to work to control the bottom plate 204 to move forward. After reaching the specified position, the servo motor 201 stops working, and the rotating motor 302 starts to work to drive the driving wheel 303 to rotate, and drives the driven wheel 307 to rotate through the belt, so that the clamping frame 306 and the internal pipe can also rotate together. At the same time, the first motor 402 and the second motor 405 work to adjust the position of the cutter plate 501, control the cutting knife 5023 to contact with the rotating pipe, and use the cutting knife 5023 to cut the pipe. After the pipe is cut, the servo motor 201 continues to work to separate the two cut pipes for a distance, and then the first motor 402 and the second motor 405 work to adjust the position of the cutter plate 501 to control the chamfering knife 5024 to contact the broken end of the pipe, and the chamfering knife 5024 is used to chamfer the broken end of the pipe. The moving direction of the other end is 90 degrees vertically, and the chamfering knife 5024 is assembled by a cross mold, and the pipe is negatively chamfered. After the pipe is cut, it is dislocated by 90 degrees. After processing, it returns to the origin and continues to feed. The automatic pipe cutting and chamfering machine can automatically cut the pipe and chamfer the pipe after cutting, which simplifies the pipe cutting process and facilitates pipe processing.

[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic pipe cutting and chamfering machine, comprising a frame (1), characterized in that: The frame (1) is provided with a first moving mechanism (2), a rotating clamping mechanism (3) is provided on the first moving mechanism (2), a second moving mechanism (4) is provided on the first moving mechanism (2), and the second moving mechanism (4) is located on one side of the rotating clamping mechanism (3), and a cutting knife assembly (5) is provided on the second moving mechanism (4), the cutting knife assembly (5) comprising a cutting knife row plate (501), a knife clamp (502) being fixedly connected to the top of the cutting knife row plate (501), the knife clamp (502) comprising a knife clamp body (5021), both left and right side walls of the knife clamp body (5021) being provided with a clamping groove (5022), a cutting knife (5023) being provided inside the clamping groove (5022) on one side, and a chamfering knife (5024) being provided inside the clamping groove (5022) on the other side, and the chamfering knife (5024) and the cutting knife (5023) are perpendicular to each other.

2. The automatic pipe cutting and chamfering machine according to claim 1, characterized in that: The first moving mechanism (2) comprises a servo motor (201), the servo motor (201) being mounted on the upper surface of the frame (1), an adjusting screw rod (202) being mounted on the output end of the servo motor (201), the first moving mechanism (2) further comprises a track (203), the track (203) being mounted on the upper surface of the frame (1), the servo motor (201) being located in the middle of the track (203), a bottom plate (204) being arranged on the top of the track (203), a connecting block (206) being fixedly connected to the lower surface of the bottom plate (204), and the connecting block (206) being mounted on the adjusting screw rod (202).

3. The automatic pipe cutting and chamfering machine according to claim 2, characterized in that: The lower surface of the bottom plate (204) is also fixedly connected to a limiting block (205), and the limiting block (205) is installed on the track (203).

4. The automatic pipe cutting and chamfering machine according to claim 2, characterized in that: The rotary clamping mechanism (3) comprises a motor frame (301), the lower surface of the motor frame (301) being fixedly connected to the upper surface of the bottom plate (204), the motor frame (301) being fixedly connected to a rotary motor (302), and the output end of the rotary motor (302) being fixedly connected to a driving wheel (303).

5. The automatic pipe cutting and chamfering machine according to claim 4, characterized in that: The rotary clamping mechanism (3) further comprises a cushion block (304), the lower surface of the cushion block (304) being fixedly connected to the upper surface of the bottom plate (204), and the cushion block (304) being located on one side of the motor frame (301), the top of the cushion block (304) being fixedly connected to a fixing frame (305), the interior of the fixing frame (305) being movably connected to a clamping frame (306), one end of the clamping frame (306) being fixedly connected to a driven wheel (307), and the driven wheel (307) being located above the driving wheel (303).

6. The automatic pipe cutting and chamfering machine according to claim 5, characterized in that: The clamping frame (306) comprises a clamping frame body (3061), a circular channel is provided inside the clamping frame body (3061), a telescopic slot (3062) is provided inside the clamping frame body (3061), a spring (3063) is fixedly connected inside the telescopic slot (3062), one end of the spring (3063) is fixedly connected to a clamping block (3064), and the clamping block (3064) is located inside the circular channel.

7. The automatic pipe cutting and chamfering machine according to claim 2, characterized in that: The second moving mechanism (4) comprises a first screw guide rail slide (401), the first screw guide rail slide (401) is mounted on the upper surface of the base plate (204), one end of the first screw guide rail slide (401) is fixedly connected to a first motor (402), a moving plate (403) is mounted on the first screw guide rail slide (401), the upper surface of the moving plate (403) is fixedly connected to a second screw guide rail slide (404), one end of the second screw guide rail slide (404) is fixedly connected to a second motor (405), and the cutter plate (501) is mounted on the second screw guide rail slide (404).

8. The automatic pipe cutting and chamfering machine according to claim 1, characterized in that: The number of the first moving mechanisms (2) is two groups, and each group of the first moving mechanisms (2) is equipped with a rotating clamping mechanism (3), a second moving mechanism (4), and a cutter assembly (5), and the two groups of the first moving mechanisms (2) are arranged vertically.

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