Hot-rolled square and rectangular pipe butt weld coping machine

Abstract

The utility model relates to the technical field of steel pipe machining, in particular to a hot-rolled square and rectangular pipe butt weld coping machine which not only can conveniently adjust the coping thickness and enlarge the coping area, but also can conveniently drive a square and rectangular pipe to turn over and improve the working efficiency. Comprising a dustproof mechanism; the device further comprises two sets of fixing mechanisms, a driving mechanism, a moving mechanism, a grinding mechanism and a blowing mechanism, the two sets of fixing mechanisms are rotationally installed on the dustproof mechanism and fix the square pipe, the driving mechanism is installed on the dustproof mechanism and drives the two sets of fixing mechanisms to rotate, and the moving mechanism is installed on the dustproof mechanism and drives the grinding mechanism to move. The grinding mechanism is installed on the moving mechanism and grinds the square tube, and the blowing mechanism is installed on the dustproof mechanism and accelerates discharging of sweeps.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe processing, in particular to a hot-rolled square pipe butt weld grinding machine. Background Art

[0002] Hot-rolled square tube is a commonly used steel product, produced through a hot rolling process, with a square or rectangular cross-section. Due to its unique cross-sectional shape and excellent performance characteristics, this type of steel tube is widely used in various fields such as construction, machinery, and automobiles.

[0003] Existing weld grinding machines, such as the semi-automatic grinding machine for the external weld of a steel pipe disclosed in the utility model patent with application number 201220245687.1, have a main structure including a frame, an electric polishing mechanism and two travel wheels. The electric polishing mechanism is composed of a motor, a transmission mechanism and a flap wheel. The motor is connected to the flap wheel through the transmission mechanism. The flap wheel is located in the installation space in the middle of the frame. The outer circumferential surfaces of the two travel wheels have "V"-shaped grooves corresponding to the shape of the steel pipe to be processed. The two travel wheels are respectively connected to the front and rear ends of the frame through a central shaft, and the bottoms of the two travel wheels are at the same horizontal height as the bottoms of the flap wheels. When in use, the motor is started, and the motor drives the flap wheel to rotate to grind the weld. At the same time, the staff pushes the device, and the two travel wheels drive the device to move back and forth to facilitate grinding of the weld.

[0004] However, the grinding thickness of the existing grinding machine is usually controlled manually by workers, which has a large error, and the four sides of the square tube need to be ground, which is very troublesome for workers to manually flip. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a hot-rolled square tube butt weld grinding machine which not only facilitates the adjustment of the grinding thickness and expands the grinding area, but also facilitates the turning over of the square tube and improves the working efficiency.

[0006] The utility model discloses a hot-rolled square tube butt weld grinding machine, which includes a dust-proof mechanism; it also includes two sets of fixing mechanisms, a driving mechanism, a moving mechanism, a grinding mechanism and a purge mechanism, the two sets of fixing mechanisms are rotatably mounted on the dust-proof mechanism and fix the square tube, the driving mechanism is mounted on the dust-proof mechanism and drives the two sets of fixing mechanisms to rotate, the moving mechanism is mounted on the dust-proof mechanism and drives the grinding mechanism to move, the grinding mechanism is mounted on the moving mechanism and grinds the square tube, and the purge mechanism is mounted on the dust-proof mechanism and accelerates the discharge of waste chips; a worker fixes two sections of square tubes on the two sets of fixing mechanisms, and then welds the two sections of square tubes, and after the welding is completed, starts the moving mechanism and the grinding mechanism, the moving mechanism grinds the square tube welding, the moving mechanism drives the grinding mechanism to move left and right to grind the square tube, and at the same time the purge mechanism blows air downward to accelerate the discharge of waste chips generated by grinding. When the grinding of one surface is completed, the grinding mechanism retreats, the driving mechanism drives the two sets of fixing mechanisms to rotate, and the two sets of fixing mechanisms drive the square tube to rotate 90 degrees, which is convenient for grinding the other surface.

[0007] Preferably, the dust-proof mechanism includes a dust box, a dust cover, a handle, a chip collecting bucket and a chip discharge pipe. The bottom end of the dust box is connected to the ground, a cavity is provided inside the dust box, the dust cover is rotatably mounted on the dust box, the handle is mounted on the dust cover, the top of the chip collecting bucket is connected to the bottom end of the dust box, and the top of the chip discharge pipe is connected to the bottom end of the chip collecting bucket. The staff pulls the handle to open the dust cover to facilitate positioning and welding of the square tube. After welding is completed, the dust cover is closed and the square tube is ground by using the moving mechanism and the grinding mechanism. Closing the dust cover can avoid the waste chips generated by grinding from splashing, keeping the external environment clean and tidy. The waste chips are collected by the chip collecting bucket and the chip discharge pipe and then discharged.

[0008] Preferably, the fixing mechanism includes a circular ring, two sets of knobs, two sets of splints and a first gear. The circular ring is rotatably installed on the dustproof box, the two sets of knobs are relatively rotatably installed on the circular ring, the two sets of splints are respectively installed on the two sets of knobs, the first gear is installed on the circular ring and located inside the cavity of the dustproof box, and the two sets of fixing mechanisms are respectively installed on the left and right side walls of the dustproof box; the staff passes the square tube through the circular ring, and then turns the two sets of knobs. The two sets of knobs drive the two sets of splints to gradually approach and clamp the square tube. The two sets of fixing mechanisms are relatively arranged to ensure that the square tubes are neatly docked.

[0009] Preferably, the driving mechanism includes a servo motor, a first reducer, a transmission shaft and two sets of second gears. The servo motor is installed on the dustproof box, the first reducer is installed on the dustproof box, the transmission shaft is rotatably installed in the cavity of the dustproof box and is longitudinally connected to the first reducer, and the two sets of second gears are both installed on the transmission shaft and respectively engage with the two sets of first gears for transmission; when the staff completes welding a surface or the moving mechanism and the grinding mechanism complete grinding a surface, the servo motor is started, and the servo motor drives the transmission shaft to rotate through the first reducer, and the transmission shaft drives the two sets of second gears to rotate, and the two sets of second gears drive the two sets of first gears to rotate synchronously by 90°, and the two sets of first gears drive the two sets of circular rings and square tubes to rotate synchronously by 90°, which is convenient for welding or grinding the next surface and improves work efficiency.

[0010] Preferably, the moving mechanism includes a screw box, a first motor, a second reducer and a reciprocating screw. The screw box is installed in the cavity of the dustproof box, the first motor is installed on the dustproof box, the second reducer is installed on the dustproof box, and the reciprocating screw is rotatably installed in the screw box and longitudinally connected to the second reducer; start the first motor, and the first motor drives the reciprocating screw to rotate through the second reducer, and the reciprocating screw drives the grinding mechanism to move left and right to facilitate grinding and correction of the square tube.

[0011] Preferably, the grinding mechanism includes a slider, two groups of cylinders, ribs, a connecting plate, a second motor and a grinding wheel. The slider is slidably installed in the screw box, the two groups of cylinders are installed on the slider, the ribs are installed on the slider to support the two groups of cylinders, the connecting plate is installed on the top of the two groups of cylinders, the second motor is installed on the connecting plate, the grinding wheel is rotatably installed on the connecting plate and is connected to the second motor in a transmission manner; the two groups of cylinders push the connecting plate close to the square tube, start the second motor, and the second motor drives the grinding wheel to rotate to grind the square tube. The reciprocating screw drives the slider to move left and right to increase the grinding area. The stability of the two groups of cylinders is improved by setting the ribs.

[0012] Preferably, the purging mechanism includes an air pump, an exhaust pipe, an air supply pipe and three groups of high-pressure nozzles. The air pump is installed on the dust-proof box, the exhaust pipe is installed on the dust-proof box, and the air supply pipe is installed on the air pump. The three groups of high-pressure nozzles are all installed on the top of the cavity inside the dust-proof box and connected with the inside of the air supply pipe. Start the air pump, and the air pump draws air through the exhaust pipe. The air pump compresses the air and delivers it to the three groups of high-pressure nozzles through the air supply pipe. The three groups of high-pressure nozzles spray the air out, and the downward airflow is measured in the cavity of the dust-proof box, which accelerates the waste chips to enter the chip collecting bucket and can also reduce the surface temperature of the square tube.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the staff fixes two sections of square tubes on two sets of fixing mechanisms, and then welds the two sections of square tubes. After the welding is completed, the moving mechanism and the grinding mechanism are started. The moving mechanism grinds the square tube welds. The moving mechanism drives the grinding mechanism to move left and right to grind the square tube. At the same time, the purge mechanism blows air downward to accelerate the discharge of waste chips generated by grinding. When the grinding of one surface is completed, the grinding mechanism retreats, and the driving mechanism drives the two sets of fixing mechanisms to rotate. The two sets of fixing mechanisms drive the square tube to rotate 90°, which is convenient for grinding the other surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an axonometric structural diagram of the utility model;

[0015] Figure 2 This is a right side structural diagram of the dust-proof mechanism of the utility model;

[0016] Figure 3 This is a schematic diagram of the axonometric structure of the fixing mechanism of the utility model;

[0017] Figure 4 This is a schematic diagram of the cross-sectional axonometric structure of the driving mechanism and the moving mechanism of the utility model;

[0018] Figure 5 This is a partially enlarged sectional axonometric structural diagram of the grinding mechanism of the utility model;

[0019] Figure 6 It is a partially enlarged sectional axonometric structural diagram of the purge mechanism of the utility model.

[0020] Markings in the accompanying drawings: 01, dust-proof mechanism; 11, dust-proof box; 12, dust-proof cover; 13, handle; 14, chip collecting bucket; 15, chip discharge pipe; 02, fixing mechanism; 21, ring; 22, knob; 23, splint; 24, first gear; 03, driving mechanism; 31, servo motor; 32, first reducer; 33, transmission shaft; 34, second gear; 04, moving mechanism; 41, screw box; 42, first motor; 43, second reducer; 44, reciprocating screw; 05, grinding mechanism; 51, slider; 52, cylinder; 53, rib; 54, connecting plate; 55, second motor; 56, grinding wheel; 06, purge mechanism; 61, air pump; 62, exhaust pipe; 63, air supply pipe; 64, high-pressure nozzle. DETAILED DESCRIPTION

[0021] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0022] Example 1

[0023] The utility model is a hot-rolled square tube butt weld grinding machine, comprising a dustproof mechanism 01; further comprising two sets of fixing mechanisms 02, a driving mechanism 03, a moving mechanism 04, a grinding mechanism 05 and a purge mechanism 06, wherein the two sets of fixing mechanisms 02 are rotatably mounted on the dustproof mechanism 01 and fix the square tube, the driving mechanism 03 is mounted on the dustproof mechanism 01 and drives the two sets of fixing mechanisms 02 to rotate, the moving mechanism 04 is mounted on the dustproof mechanism 01 and drives the grinding mechanism 05 to move, the grinding mechanism 05 is mounted on the moving mechanism 04 and grinds the square tube, and the purge mechanism 06 is mounted on the dustproof mechanism 01 and accelerates the discharge of waste chips; the dustproof mechanism 01 comprises a dustproof box 11 and a dustproof cover 12 , handle 13, chip collecting bucket 14 and chip discharge pipe 15, the bottom end of the dustproof box 11 is connected to the ground, the interior of the dustproof box 11 is provided with a cavity, the dustproof cover 12 is rotatably mounted on the dustproof box 11, the handle 13 is mounted on the dustproof cover 12, the top of the chip collecting bucket 14 is connected to the interior of the bottom end of the dustproof box 11, and the top of the chip discharge pipe 15 is connected to the interior of the bottom end of the chip collecting bucket 14; the fixing mechanism 02 includes a ring 21, two groups of knobs 22, two groups of splints 23 and a first gear 24, the ring 21 is rotatably mounted on the dustproof box 11, the two groups of knobs 22 are relatively rotatably mounted on the ring 21, the two groups of splints 23 are respectively mounted on the two groups of knobs 22, the first gear 24 is mounted on the ring 21 and is located at the dustproof box Inside the cavity of 11, two sets of fixing mechanisms 02 are respectively installed on the left and right side walls of the dustproof box 11; the driving mechanism 03 includes a servo motor 31, a first reducer 32, a transmission shaft 33 and two sets of second gears 34. The servo motor 31 is installed on the dustproof box 11, and the first reducer 32 is installed on the dustproof box 11. The transmission shaft 33 is rotatably installed in the cavity of the dustproof box 11 and is longitudinally connected to the first reducer 32. The two sets of second gears 34 are both installed on the transmission shaft 33 and are respectively engaged with the two sets of first gears 24 for transmission; the moving mechanism 04 includes a screw box 41, a first motor 42, a second reducer 43 and a reciprocating screw 44. The screw box 41 is installed in the cavity of the dustproof box 11. The first motor 42 is mounted on the dustproof box 11, the second reducer 43 is mounted on the dustproof box 11, the reciprocating screw 44 is rotatably mounted in the screw box 41 and is longitudinally connected to the second reducer 43; the grinding mechanism 05 includes a slider 51, two groups of cylinders 52, a rib 53, a connecting plate 54, a second motor 55 and a grinding wheel 56, the slider 51 is slidably mounted in the screw box 41, the two groups of cylinders 52 are both mounted on the slider 51, the rib 53 is mounted on the slider 51 to support the two groups of cylinders 52, the connecting plate 54 is mounted on the top of the two groups of cylinders 52, the second motor 55 is mounted on the connecting plate 54, the grinding wheel 56 is rotatably mounted on the connecting plate 54 and is transmission-connected to the second motor 55;When working, first, the staff pulls the handle 13 to open the dust cover 12 to facilitate positioning and welding of the square tube, passes the square tube through the ring 21, and then turns the two sets of knobs 22. The two sets of knobs 22 drive the two sets of clamps 23 to gradually approach and clamp the square tube. The two sets of fixing mechanisms 02 are relatively arranged to ensure that the square tubes are neatly docked. When the staff completes welding a surface or the moving mechanism 04 and the grinding mechanism 05 complete grinding a surface, the servo motor 31 is started. The servo motor 31 drives the transmission shaft 33 to rotate through the first reducer 32. The transmission shaft 33 drives the two sets of second gears 34 to rotate. The two sets of second gears 34 drive the two sets of first gears 24 to rotate synchronously by 90°. The two sets of first gears 24 drive The two sets of rings 21 and the rectangular tube are rotated synchronously by 90°, facilitating welding or grinding the next surface and improving work efficiency. After welding is completed, the dust cover 12 is closed to prevent the splash of waste chips generated by grinding and keep the external environment clean. The two sets of cylinders 52 push the connecting plate 54 close to the rectangular tube, and the second motor 55 is started. The second motor 55 drives the grinding wheel 56 to rotate and grind the rectangular tube. The first motor 42 is started and drives the reciprocating screw 44 through the second reducer 43. The reciprocating screw 44 drives the slider 51 to move left and right, increasing the grinding area. The ribs 53 are provided to improve the stability of the two sets of cylinders 52. Waste chips are collected and discharged through the chip collection bucket 14 and chip discharge pipe 15.

[0024] Example 2

[0025] like Figures 1 to 6As shown, a hot-rolled square tube butt weld grinding machine of the utility model is based on Example 1; the purge mechanism 06 includes an air pump 61, an air extraction pipe 62, an air supply pipe 63 and three groups of high-pressure nozzles 64, the air pump 61 is installed on the dustproof box 11, the air extraction pipe 62 is installed on the dustproof box 11, the air supply pipe 63 is installed on the air pump 61, and the three groups of high-pressure nozzles 64 are all installed at the top of the cavity inside the dustproof box 11 and are connected to the inside of the air supply pipe 63; when it is working, first, the staff pulls the handle 13 to open the dust cover 12 to facilitate the square tube to enter Positioning and welding are performed, the square tube is passed through the ring 21, and then the two sets of knobs 22 are turned. The two sets of knobs 22 drive the two sets of clamps 23 to gradually approach and clamp the square tube. The two sets of fixing mechanisms 02 are relatively set to ensure that the square tubes are neatly docked. When the staff completes welding a surface or the moving mechanism 04 and the grinding mechanism 05 complete grinding a surface, the servo motor 31 is started. The servo motor 31 drives the transmission shaft 33 to rotate through the first reducer 32. The transmission shaft 33 drives the two sets of second gears 34 to rotate. The two sets of second gears 34 drive the two sets of first gears 24 Synchronously rotate 90 degrees, the two sets of first gears 24 drive the two sets of rings 21 and the square tube to rotate 90 degrees synchronously, which is convenient for welding or grinding the next surface and improves work efficiency. After welding is completed, the dust cover 12 is closed to avoid the splash of waste generated by grinding and keep the external environment clean. The two sets of cylinders 52 push the connecting plate 54 close to the square tube, start the second motor 55, and the second motor 55 drives the grinding wheel 56 to rotate to grind the square tube. Start the first motor 42, and the first motor 42 drives the reciprocating screw 44 to rotate through the second reducer 43. The reciprocating screw 44 drives the slider 51 to move left and right, increasing the grinding area. The stability of the two groups of cylinders 52 is improved by setting the ribs 53, and the air pump 61 is started at the same time. The air pump 61 extracts air through the exhaust pipe 62, and the air pump 61 compresses the air and transmits it to the three groups of high-pressure nozzles 64 through the air pipe 63. The three groups of high-pressure nozzles 64 spray out the air, and the downward airflow is measured in the cavity of the dustproof box 11, which accelerates the waste chips to enter the chip collecting bucket 14, and can also reduce the surface temperature of the square tube. The waste chips are collected and discharged through the chip collecting bucket 14 and the chip discharge pipe 15.

[0026] The servo motor 31, the first reducer 32, the first electric motor 42, the second reducer 43, the second electric motor 55 and the air pump 61 of the utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manuals, without the need for technical personnel in this field to make creative efforts.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A hot-rolled square tube butt weld grinding machine, comprising a dust-proof mechanism (01); characterized in that: The invention also includes two sets of fixing mechanisms (02), a driving mechanism (03), a moving mechanism (04), a grinding mechanism (05) and a purge mechanism (06). The two sets of fixing mechanisms (02) are both rotatably mounted on the dustproof mechanism (01) and fix the square tube. The driving mechanism (03) is mounted on the dustproof mechanism (01) and drives the two sets of fixing mechanisms (02) to rotate. The moving mechanism (04) is mounted on the dustproof mechanism (01) and drives the grinding mechanism (05) to move. The grinding mechanism (05) is mounted on the moving mechanism (04) and grinds the square tube. The purge mechanism (06) is mounted on the dustproof mechanism (01) and accelerates the discharge of waste chips.

2. A hot-rolled square tube butt weld grinding machine according to claim 1, characterized in that: The dustproof mechanism (01) includes a dustproof box (11), a dustproof cover (12), a handle (13), a chip collecting bucket (14) and a chip discharge pipe (15). The bottom end of the dustproof box (11) is connected to the ground, a cavity is provided inside the dustproof box (11), the dustproof cover (12) is rotatably mounted on the dustproof box (11), the handle (13) is mounted on the dustproof cover (12), the top end of the chip collecting bucket (14) is communicated with the bottom end of the dustproof box (11), and the top end of the chip discharge pipe (15) is communicated with the bottom end of the chip collecting bucket (14).

3. A hot-rolled square tube butt weld grinding machine according to claim 2, characterized in that: The fixing mechanism (02) comprises a circular ring (21), two sets of knobs (22), two sets of splints (23) and a first gear (24); the circular ring (21) is rotatably mounted on the dustproof box (11); the two sets of knobs (22) are relatively rotatably mounted on the circular ring (21); the two sets of splints (23) are respectively mounted on the two sets of knobs (22); the first gear (24) is mounted on the circular ring (21) and is located inside the cavity of the dustproof box (11); and the two sets of fixing mechanisms (02) are respectively mounted on the left and right side walls of the dustproof box (11).

4. A hot-rolled square tube butt weld grinding machine as claimed in claim 3, characterized in that: The driving mechanism (03) includes a servo motor (31), a first reducer (32), a transmission shaft (33) and two sets of second gears (34). The servo motor (31) is mounted on the dustproof box (11), the first reducer (32) is mounted on the dustproof box (11), the transmission shaft (33) is rotatably mounted in the cavity of the dustproof box (11) and is longitudinally connected to the first reducer (32), and the two sets of second gears (34) are both mounted on the transmission shaft (33) and are respectively engaged with the two sets of first gears (24) for transmission.

5. A hot-rolled square tube butt weld grinding machine as claimed in claim 2, characterized in that: The moving mechanism (04) includes a screw box (41), a first motor (42), a second reducer (43) and a reciprocating screw (44), wherein the screw box (41) is installed in the cavity of the dustproof box (11), the first motor (42) is installed on the dustproof box (11), the second reducer (43) is installed on the dustproof box (11), and the reciprocating screw (44) is rotatably installed in the screw box (41) and is longitudinally connected to the second reducer (43).

6. A hot-rolled square tube butt weld grinding machine as claimed in claim 5, characterized in that: The grinding mechanism (05) includes a slider (51), two groups of cylinders (52), a rib plate (53), a connecting plate (54), a second motor (55) and a grinding wheel (56). The slider (51) is slidably mounted in the screw box (41). The two groups of cylinders (52) are both mounted on the slider (51). The rib plate (53) is mounted on the slider (51) to support the two groups of cylinders (52). The connecting plate (54) is mounted on the top of the two groups of cylinders (52). The second motor (55) is mounted on the connecting plate (54). The grinding wheel (56) is rotatably mounted on the connecting plate (54) and is transmission-connected to the second motor (55).

7. A hot-rolled square tube butt weld grinding machine according to claim 6, characterized in that: The purge mechanism (06) includes an air pump (61), an air extraction pipe (62), an air supply pipe (63) and three sets of high-pressure nozzles (64). The air pump (61) is installed on the dustproof box (11), the air extraction pipe (62) is installed on the dustproof box (11), and the air supply pipe (63) is installed on the air pump (61). The three sets of high-pressure nozzles (64) are all installed at the top of the cavity inside the dustproof box (11) and communicate with the inside of the air supply pipe (63).

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