Seamless steel tube welding device for mechanical equipment machining

Abstract

The invention belongs to the technical field of welding clamping mechanisms, and particularly relates to a seamless steel pipe welding device for mechanical equipment machining, which comprises a machining platform, a sliding seat is slidably mounted on the machining platform, a supporting plate is arranged above the sliding seat, a lifting plate is arranged on the side wall of the supporting plate, and a sand plate slidably sleeves the lifting plate. A welding gun is further arranged on the machining platform. Two clamping mechanisms are arranged on the machining platform and used for clamping and fixing a steel pipe. A vertical grinding mechanism is arranged on the supporting plate. By arranging the vertical grinding mechanism and the transverse grinding mechanism, burrs on a steel pipe can be ground and removed in the horizontal direction and the vertical direction at the same time, and the seamless welding effect is improved; and by arranging the washing mechanism, water can be sucked in a reciprocating mode and sprayed to the sand plate, so that the burr removing work is smoother, and the ground burrs can be washed away.

Description

Technical Field

[0001] The invention belongs to the technical field of welding clamping mechanisms, and in particular relates to a seamless steel pipe welding device used for machining mechanical equipment. Background Art

[0002] Seamless steel pipes have a hollow cross-section and are often used as pipelines for conveying fluids, such as oil, natural gas, coal gas, water and some solid materials. In the production and processing of seamless steel pipes, the ends of two steel pipes need to be pressed tightly together and kept aligned, and then the pressed positions are seamlessly welded by a welding torch.

[0003] However, the existing welding devices still have the following technical problems when seamlessly welding steel pipes:

[0004] Before welding, the contacting sides of the two steel pipes cannot be processed, which results in more burrs and dust on them during welding, thus making the gap between the two steel pipes larger and affecting the seamless welding effect. Summary of the invention

[0005] The purpose of the present invention is to provide a seamless steel pipe welding device for mechanical equipment processing, which can grind and remove burrs on steel pipes in the horizontal and vertical directions at the same time, in response to the problems raised in the above background technology.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A seamless steel pipe welding device for mechanical equipment processing, comprising:

[0008] A processing platform, a slide seat is slidably mounted on the processing platform, a support plate is arranged above the slide seat, a lifting plate is arranged on the side wall of the support plate, a sand plate is slidably sleeved on the lifting plate, and a welding gun is also arranged on the processing platform;

[0009] The processing platform is provided with two clamping mechanisms, which are used to clamp and fix the steel pipe;

[0010] A vertical grinding mechanism is provided on the support plate, and the vertical grinding mechanism is used to drive the sand plate to reciprocate vertically to grind and remove burrs on the steel pipe;

[0011] The support plate is also provided with a transverse grinding mechanism, which is used to drive the sanding plate to reciprocate horizontally to improve the burr removal effect.

[0012] Preferably, the clamping mechanism includes a movable plate, a turntable, a first motor, a first screw, two clamping blocks and two arc-shaped clamping plates. The movable plate is slidably installed above the processing platform, and the turntable is rotatably installed on the movable plate. The first motor is provided at the end of the movable plate away from the turntable, and the output shaft of the first motor is fixedly connected to the turntable. The first screw is rotatably installed on the turntable, and the spiral directions of the threads on both sides of the first screw are opposite. Clamping blocks are threadedly connected to the threads on both sides of the first screw, and arc-shaped clamping plates are installed on the two clamping blocks.

[0013] Preferably, the vertical grinding mechanism includes a transmission rod, a first gear, two first racks, two transmission blocks, two first hinged seats, a connecting rod, two lifting blocks, two second hinged seats and two connecting plates. The transmission rod is rotatably installed on the side wall of the support plate. The transmission rod is provided with a first gear. The first gear is meshed with first racks above and below. The two first racks are installed with transmission blocks. The two transmission blocks are provided with a first hinged seat. Lifting blocks are installed above and below the lifting plate through connecting rods. The two lifting blocks are provided with a second hinged seat. Connecting plates are hinged between the two first hinged seats and the second hinged seats.

[0014] Preferably, the horizontal grinding mechanism includes two extension rods, two abutment balls, two abutment blocks and a flushing mechanism. Extension rods are installed on the two transmission blocks. Each of the extension rods is provided with abutment balls at one end close to the sanding plate. Abutment blocks are provided above and below the sanding plate. The two abutment blocks are arranged symmetrically with respect to the center of the sanding plate. The two abutment balls cooperate with the two abutment blocks respectively. A flushing mechanism is also provided on the support plate. The flushing mechanism is used to spray water and flush the grinding area of ​​the steel pipe while driving the vertical grinding mechanism.

[0015] Preferably, the flushing mechanism includes a driving rod, a second gear, a second rack, a cylinder, a swing rod, an arc-shaped tooth groove, a third gear, a centrifugal chamber, a centrifugal block, a spring, a water tank, a water inlet pipe and a drain pipe, the driving rod is rotatably installed on the side wall of the support plate, the driving rod is provided with a second gear, the side wall of the support plate is slidably installed with a second rack, the second gear and the second rack are meshed with each other, the second rack is driven by the cylinder, the driving rod is provided with an arc-shaped tooth groove through the swing rod, the transmission rod is provided with a third gear, the arc-shaped tooth groove and the third gear are meshed with each other, a centrifugal chamber is opened inside the swing rod, a centrifugal block is sealed and slidably installed in the centrifugal chamber, the centrifugal block is elastically connected to the inner wall of the centrifugal chamber through a spring, a water tank is provided on the side wall of the support plate, the centrifugal chamber is connected with the inside of the water tank through the water inlet pipe, and the centrifugal chamber extends to the contact position of the two sides of the sand plate with the steel pipe through the drain pipe.

[0016] Preferably, a second screw is rotatably mounted on the processing platform, the spiral directions of the threads on both sides of the second screw are opposite, the second screw is driven by a second motor, and the two movable plates are threadedly connected to the threads on both sides of the second screw.

[0017] Preferably, each lifting block is slidably mounted on the side wall of the support plate via an L-shaped rod.

[0018] Preferably, both the water inlet pipe and the drain pipe are provided with a one-way valve.

[0019] Compared with the existing technology, the advantages of the seamless steel pipe welding device for mechanical equipment processing are:

[0020] 1. The present invention provides a clamping mechanism. Before welding, the first screw can be rotated by a knob, thereby driving the two clamping blocks and the two arc-shaped clamping plates to approach each other, clamping and fixing the steel pipe, and then the second motor drives the second screw to rotate, so that the two steel pipes approach each other until they are close to the sand plate, which is convenient for subsequent grinding of the steel pipes. At the same time, after the grinding is completed, the turntable can be driven to rotate by the first motor, so that the two steel pipes rotate synchronously, and the two steel pipes are fully welded by the welding gun, thereby improving work efficiency.

[0021] 2. The present invention sets a vertical grinding mechanism. During grinding, the transmission rod can be used to drive the first gear to rotate, so that the two first racks always perform horizontal displacement in opposite directions. When the upper first rack approaches the lifting plate and lifts the lifting plate and the sanding plate upward through the connecting plate, the lower first rack moves away from the lifting plate and pulls the lifting plate and the sanding plate downward, so that the lifting plate can drive the sanding plate to perform stable reciprocating vertical displacement, and the steel pipes on both sides are reciprocated and ground, so that the burrs and dust impurities on the welding side of the steel pipe are polished away, so as to avoid a large gap between the two steel pipes and improve the effect of seamless welding.

[0022] 3. The present invention sets a transverse grinding mechanism. During grinding, the reciprocating horizontal displacement of the first rack will intermittently squeeze and push the two abutment blocks through the two abutment balls, so that the sanding plate will slide back and forth left and right relative to the lifting plate. The sanding plate can grind and remove burrs on the steel pipe in the horizontal and vertical directions at the same time, thereby improving the grinding effect of the burrs on the steel pipe.

[0023] 4. The present invention sets a flushing mechanism. During grinding, the cylinder drives the second rack to move back and forth, thereby driving the driving rod to rotate back and forth through the second gear. Under the action of the swing rod, the arc-shaped tooth groove swings back and forth, driving the third gear and the transmission rod to rotate back and forth, so that the vertical grinding mechanism starts to work. During this process, the reciprocating swing of the swing rod will cause the centrifugal block inside it to intermittently overcome the elastic force of the spring under the action of centrifugal force, so that the centrifugal block slides back and forth relative to the centrifugal chamber, reciprocatingly sucking out the water in the water tank and delivering it to the grinding position of the steel pipe, which not only makes the burr removal work smoother, but also can wash away the burrs produced by grinding, avoiding the burrs splashing and injuring the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional structural schematic diagram of a seamless steel pipe welding device for mechanical equipment processing provided by the present invention;

[0025] Figure 2 yes Figure 1 The enlarged view of point A in the middle;

[0026] Figure 3 It is a three-dimensional structural schematic diagram of another angle of the seamless steel pipe welding device for mechanical equipment processing provided by the present invention;

[0027] Figure 4 yes Figure 3 The enlarged view of point B in the middle;

[0028] Figure 5 It is a partial structural schematic diagram of a vertical grinding mechanism in a seamless steel pipe welding device for mechanical equipment processing provided by the present invention;

[0029] Figure 6 yes Figure 5 Enlarged view of point C in the middle;

[0030] Figure 7 It is a cross-sectional view of a swing plate in a seamless steel pipe welding device for mechanical equipment processing provided by the present invention.

[0031] In the figure, 1, processing platform; 11, slide; 12, support plate; 13, lifting plate; 14, sanding plate; 15, welding gun; 2, clamping mechanism; 21, moving plate; 22, turntable; 23, first motor; 24, first screw; 25, clamping block; 26, arc clamping plate; 3, vertical grinding mechanism; 31, transmission rod; 32, first gear; 33, first rack; 34, transmission block; 35, first hinge seat; 36, connecting rod; 37, lifting block; 38, second Articulated seat; 39, connecting plate; 4, transverse grinding mechanism; 41, extension rod; 42, abutment ball; 43, abutment block; 5, flushing mechanism; 51, driving rod; 52, second gear; 53, second rack; 54, cylinder; 55, swing rod; 56, arc-shaped tooth groove; 57, third gear; 58, centrifugal chamber; 59, centrifugal block; 510, spring; 511, water tank; 512, water inlet pipe; 513, drain pipe; 6, second screw; 7, second motor; 8, L-shaped rod. DETAILED DESCRIPTION

[0032] The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

[0033] like Figure 1-Figure 7 As shown, a seamless steel pipe welding device for mechanical equipment processing comprises:

[0034] A processing platform 1, on which a slide 11 is slidably mounted, a support plate 12 is arranged above the slide 11, a lifting plate 13 is arranged on the side wall of the support plate 12, a sanding plate 14 is slidably sleeved on the lifting plate 13, and a welding gun 15 is also arranged on the processing platform 1;

[0035] Two clamping mechanisms 2 are provided on the processing platform 1, and the clamping mechanisms 2 are used to clamp and fix the steel pipe;

[0036] A vertical grinding mechanism 3 is provided on the support plate 12, and the vertical grinding mechanism 3 is used to drive the sand plate 14 to reciprocate vertically to grind and remove burrs on the steel pipe;

[0037] A transverse grinding mechanism 4 is also provided on the support plate 12, and the transverse grinding mechanism 4 is used to drive the sanding plate 14 to reciprocate horizontally to improve the burr removal effect.

[0038] The clamping mechanism 2 includes a moving plate 21, a turntable 22, a first motor 23, a first screw 24, two clamping blocks 25 and two arc-shaped clamping plates 26. The moving plate 21 is slidably installed above the processing platform 1. The turntable 22 is rotatably installed on the moving plate 21. The end of the moving plate 21 away from the turntable 22 is provided with a first motor 23. The output shaft of the first motor 23 is fixedly connected to the turntable 22. The first screw 24 is rotatably installed on the turntable 22. The spiral directions of the threads on both sides of the first screw 24 are opposite. The threads on both sides of the first screw 24 are threadedly connected with clamping blocks 25, and arc-shaped clamping plates 26 are installed on the two clamping blocks 25.

[0039] Among them, a second screw 6 is rotatably installed on the processing platform 1, and the spiral directions of the threads on both sides of the second screw 6 are opposite. The second screw 6 is driven by a second motor 7, and the two movable plates 21 are threadedly connected to the threads on both sides of the second screw 6. The second motor 7 can drive the second screw 6 to rotate, and then drive the two movable plates 21 to approach each other, so that the steel pipes fixed on the two movable plates 21 can be close to the two sides of the sand plate 14.

[0040] Before welding, the first screw 24 can be rotated by the knob, thereby driving the two clamping blocks 25 and the two arc-shaped clamping plates 26 to approach each other, clamping and fixing the steel pipe, and then the second motor 7 drives the second screw 6 to rotate, so that the two steel pipes approach each other until they are close to the sanding plate 14, which is convenient for the subsequent grinding of the steel pipe. At the same time, after the grinding is completed, the sanding plate 14 is pulled out from between the two steel pipes by the slide seat 11, and then the turntable 22 is driven to rotate by the first motor 23, so that the two steel pipes rotate synchronously, and the two steel pipes are fully welded by the welding gun 15, so that while the steel pipes are being ground, it will not hinder the subsequent welding work of the steel pipes, thereby ensuring work efficiency.

[0041] The vertical grinding mechanism 3 includes a transmission rod 31, a first gear 32, two first racks 33, two transmission blocks 34, two first articulated seats 35, a connecting rod 36, two lifting blocks 37, two second articulated seats 38 and two connecting plates 39. The transmission rod 31 is rotatably installed on the side wall of the support plate 12. The transmission rod 31 is provided with a first gear 32. The first racks 33 are meshed above and below the first gear 32. The two first racks 33 are both equipped with transmission blocks 34. The two transmission blocks 34 are both provided with a first articulated seat 35. Lifting blocks 37 are installed above and below the lifting plate 13 through connecting rods 36. The two lifting blocks 37 are both provided with second articulated seats 38. Connecting plates 39 are hinged between the two first articulated seats 35 and the second articulated seats 38.

[0042] Among them, a U-shaped rod is provided on the support plate 12, and the transmission block 34 is horizontally slidably installed on the U-shaped rod. The U-shaped rod allows the transmission block 34 to only move horizontally, ensuring the driving of the lifting block 37 and avoiding motion interference.

[0043] Among them, each lifting block 37 is slidably installed on the side wall of the support plate 12 through the L-shaped rod 8, so that the lifting block 37 can only be vertically displaced along the side wall of the support plate 12, and further the lifting plate 13 and the sanding plate 14 can only be vertically displaced, avoiding their position deviation and reducing the grinding effect of the steel pipe.

[0044] In view of the problem that the contacting side of the two steel pipes cannot be processed in the prior art, which leads to the presence of more burrs and dust on the two steel pipes during welding, thereby making the gap between the two steel pipes larger and affecting the seamless welding effect, the present invention sets a vertical grinding mechanism 3. During grinding, the first gear 32 can be driven to rotate by the transmission rod 31, so that the two first racks 33 always perform horizontal displacement in opposite directions. When the upper first rack 33 approaches the lifting plate 13 and lifts the lifting plate 13 and the sanding plate 14 upward through the connecting plate 39, the lower first rack 33 moves away from the lifting plate 13 and pulls the lifting plate 13 and the sanding plate 14 downward, so that the lifting plate 13 can drive the sanding plate 14 to perform stable reciprocating vertical displacement, and the steel pipes on both sides are reciprocated. The burrs and dust impurities on the welding side of the steel pipe are polished away, the gap between the two steel pipes is avoided to be larger, and the seamless welding effect is improved.

[0045] The horizontal grinding mechanism 4 includes two extension rods 41, two abutment balls 42, two abutment blocks 43 and a flushing mechanism 5. The extension rods 41 are installed on the two transmission blocks 34. Each extension rod 41 is provided with a ball 42 at one end close to the sanding plate 14. Abutment blocks 43 are provided above and below the sanding plate 14. The two abutment blocks 43 are arranged symmetrically with the center of the sanding plate 14. The two abutment balls 42 cooperate with the two abutment blocks 43 respectively. A flushing mechanism 5 is also provided on the support plate 12. The flushing mechanism 5 is used to spray water and flush the grinding area of ​​the steel pipe while driving the vertical grinding mechanism 3.

[0046] In order to improve the effect of removing burrs and dust on the steel pipe, the present invention sets a horizontal grinding mechanism 4. During grinding, the first rack 33 reciprocates horizontally, and the two abutment blocks 43 are intermittently squeezed and pushed by the two abutment balls 42, so that the sanding plate 14 slides back and forth left and right relative to the lifting plate 13, so that the sanding plate 14 can grind and remove burrs on the steel pipe in the horizontal direction and the vertical direction at the same time, thereby improving the grinding effect of the burrs on the steel pipe.

[0047] The flushing mechanism 5 includes a driving rod 51, a second gear 52, a second rack 53, a cylinder 54, a swing rod 55, an arc-shaped tooth groove 56, a third gear 57, a centrifugal chamber 58, a centrifugal block 59, a spring 510, a water tank 511, a water inlet pipe 512 and a drain pipe 513. The driving rod 51 is rotatably mounted on the side wall of the support plate 12. The driving rod 51 is provided with a second gear 52. The second rack 53 is slidably mounted on the side wall of the support plate 12. The second gear 52 and the second rack 53 are meshed with each other. The second rack 53 is driven by the cylinder 54. The driving rod 51 An arc-shaped tooth groove 56 is installed on the swing rod 55, and a third gear 57 is provided on the transmission rod 31. The arc-shaped tooth groove 56 and the third gear 57 are meshed with each other. A centrifugal chamber 58 is opened inside the swing rod 55, and a centrifugal block 59 is sealed and slidably installed in the centrifugal chamber 58. The centrifugal block 59 is elastically connected to the inner wall of the centrifugal chamber 58 through a spring 510. A water tank 511 is provided on the side wall of the support plate 12. The centrifugal chamber 58 is connected to the inside of the water tank 511 through a water inlet pipe 512. The centrifugal chamber 58 extends to the contact position of the steel pipe on both sides of the sand plate 14 through a drain pipe 513.

[0048] Among them, both the water inlet pipe 512 and the drain pipe 513 are provided with a one-way valve. Through the setting of the one-way valve, when the centrifugal block 59 slides in the centrifugal chamber 58, the water in the water tank 511 can only be pumped into the centrifugal chamber 58 through the water inlet pipe 512, and the water in the centrifugal chamber 58 can only be discharged to the two sides of the sand plate 14 through the drain pipe 513.

[0049] In addition, the present invention provides a flushing mechanism 5. During grinding, the cylinder 54 drives the second rack 53 to reciprocate, thereby driving the driving rod 51 to reciprocate through the second gear 52. Under the action of the swing rod 55, the arc-shaped tooth groove 56 swings back and forth, driving the third gear 57 and the transmission rod 31 to reciprocate, so that the vertical grinding mechanism 3 starts to work. During this process, the reciprocating swing of the swing rod 55 will cause the centrifugal block 59 inside it to intermittently overcome the elastic force of the spring 510 under the action of the centrifugal force, so that the centrifugal block 59 is relative to the centrifugal block 59. The heart chamber 58 slides back and forth (when the centrifugal block 59 swings to the bottom, its centrifugal force is the largest, the centrifugal block 59 overcomes the elastic force of the spring 510, and slides downward in the centrifugal chamber 58; when the centrifugal block 59 swings to the top, its centrifugal force is the smallest, and the elastic force of the spring 510 causes the centrifugal block 59 to slide upward in the centrifugal chamber 58), and the water in the water tank 511 is sucked out reciprocally and transported to the grinding position of the steel pipe, which not only makes the burr removal work smoother, but also can wash away the burrs produced by grinding, to avoid the burrs splashing and injuring the staff.

[0050] The present invention can be explained by the following operation mode:

[0051] The first screw 24 is rotated by the knob, thereby driving the two clamping blocks 25 and the two arc-shaped clamping plates 26 to approach each other, clamping and fixing the steel pipe, and then the second motor 7 drives the second screw 6 to rotate, so that the two steel pipes approach each other until they are close to the sanding plate 14, which is convenient for the subsequent grinding of the steel pipe;

[0052] During grinding, the transmission rod 31 drives the first gear 32 to rotate, so that the two first racks 33 always perform horizontal displacement in opposite directions. When the upper first rack 33 approaches the lifting plate 13 and lifts the lifting plate 13 and the sanding plate 14 upward through the connecting plate 39, the lower first rack 33 moves away from the lifting plate 13 and pulls the lifting plate 13 and the sanding plate 14 downward, so that the lifting plate 13 can drive the sanding plate 14 to perform stable reciprocating vertical displacement, and the steel pipes on both sides are reciprocated for grinding;

[0053] The reciprocating horizontal displacement of the first rack 33 will also intermittently squeeze and push the two abutment blocks 43 through the two abutment balls 42, so that the sanding plate 14 can reciprocate left and right relative to the lifting plate 13, so that the sanding plate 14 can grind and remove the burrs on the steel pipe in the horizontal direction and the vertical direction at the same time;

[0054] During grinding, the second rack 53 is driven to move back and forth through the cylinder 54, thereby driving the driving rod 51 to rotate back and forth through the second gear 52, and the arc-shaped tooth groove 56 is caused to swing back and forth under the action of the swing rod 55, driving the third gear 57 and the transmission rod 31 to rotate back and forth, so that the vertical grinding mechanism 3 starts to work. During this process, the reciprocating swing of the swing rod 55 will cause the centrifugal block 59 inside it to intermittently overcome the elastic force of the spring 510 under the action of centrifugal force, so that the centrifugal block 59 slides back and forth relative to the centrifugal chamber 58, reciprocatingly sucking out the water in the water tank 511 and delivering it to the grinding position of the steel pipe, which not only makes the burr removal work smoother, but also can wash away the burrs produced by grinding.

[0055] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A seamless steel pipe welding device for mechanical equipment processing, characterized in that: include: A processing platform (1), wherein a slide seat (11) is slidably mounted on the processing platform (1), a support plate (12) is provided above the slide seat (11), a lifting plate (13) is provided on the side wall of the support plate (12), a sanding plate (14) is slidably sleeved on the lifting plate (13), and a welding gun (15) is also provided on the processing platform (1); The processing platform (1) is provided with two clamping mechanisms (2), and the clamping mechanisms (2) are used to clamp and fix the steel pipe; The support plate (12) is provided with a vertical grinding mechanism (3), and the vertical grinding mechanism (3) is used to drive the sanding plate (14) to reciprocate vertically to grind and remove burrs on the steel pipe; The support plate (12) is also provided with a transverse grinding mechanism (4), and the transverse grinding mechanism (4) is used to drive the sanding plate (14) to reciprocate horizontally to improve the burr removal effect.

2. The seamless steel pipe welding device for mechanical equipment processing according to claim 1 is characterized in that: The clamping mechanism (2) comprises a moving plate (21), a rotating disk (22), a first motor (23), a first screw (24), two clamping blocks (25) and two arc-shaped clamping plates (26); the moving plate (21) is slidably mounted above the processing platform (1); the rotating disk (22) is rotatably mounted on the moving plate (21); a first motor (23) is provided at one end of the moving plate (21) away from the rotating disk (22); an output shaft of the first motor (23) is fixedly connected to the rotating disk (22); a first screw (24) is rotatably mounted on the rotating disk (22); the spiral directions of the threads on both sides of the first screw (24) are opposite; the threads on both sides of the first screw (24) are both threadedly connected to the clamping blocks (25); and the two clamping blocks (25) are both mounted with arc-shaped clamping plates (26).

3. The seamless steel pipe welding device for mechanical equipment processing according to claim 1 is characterized in that: The vertical grinding mechanism (3) comprises a transmission rod (31), a first gear (32), two first racks (33), two transmission blocks (34), two first hinge seats (35), a connecting rod (36), two lifting blocks (37), two second hinge seats (38) and two connecting plates (39), wherein the transmission rod (31) is rotatably mounted on the side wall of the support plate (12), and a first gear (32) is provided on the transmission rod (31), and the upper part of the first gear (32) is A first rack (33) is meshed above and below the two first racks (33), a transmission block (34) is installed on the two first transmission blocks (34), a first hinge seat (35) is provided on the two transmission blocks (34), a lifting block (37) is installed above and below the lifting plate (13) through a connecting rod (36), a second hinge seat (38) is provided on the two lifting blocks (37), and a connecting plate (39) is hinged between the two first hinge seats (35) and the second hinge seats (38).

4. The seamless steel pipe welding device for mechanical equipment processing according to claim 3 is characterized in that: The transverse grinding mechanism (4) comprises two extension rods (41), two abutting balls (42), two abutting blocks (43) and a flushing mechanism (5). The two transmission blocks (34) are both mounted with extension rods (41). The end of each extension rod (41) close to the sanding plate (14) is provided with an abutting ball (42). Abutting blocks (43) are provided above and below the sanding plate (14). The two abutting blocks (43) are centrally symmetrically arranged with respect to the center of the sanding plate (14). The two abutting balls (42) are respectively matched with the two abutting blocks (43). The support plate (12) is also provided with a flushing mechanism (5). The flushing mechanism (5) is used for spraying water and flushing the grinding position of the steel pipe while driving the vertical grinding mechanism (3).

5. The seamless steel pipe welding device for mechanical equipment processing according to claim 4 is characterized in that: The flushing mechanism (5) comprises a driving rod (51), a second gear (52), a second rack (53), a cylinder (54), a swinging rod (55), an arc-shaped tooth groove (56), a third gear (57), a centrifugal chamber (58), a centrifugal block (59), a spring (510), a water tank (511), a water inlet pipe (512) and a drain pipe (513); the driving rod (51) is rotatably mounted on the side wall of the support plate (12); the driving rod (51) is provided with a second gear (52); a second rack (53) is slidably mounted on the side wall of the support plate (12); the second gear (52) and the second rack (53) are meshed with each other; the second rack (53) is driven by the cylinder (54); the driving rod (51) is rotatably mounted on the side wall of the support plate (12); A curved tooth groove (56) is installed on the support plate (12) through a swing rod (55), a third gear (57) is provided on the transmission rod (31), the curved tooth groove (56) and the third gear (57) are meshed with each other, a centrifugal chamber (58) is opened inside the swing rod (55), a centrifugal block (59) is sealed and slidably installed inside the centrifugal chamber (58), the centrifugal block (59) is elastically connected to the inner wall of the centrifugal chamber (58) through a spring (510), a water tank (511) is provided on the side wall of the support plate (12), the centrifugal chamber (58) is communicated with the inside of the water tank (511) through a water inlet pipe (512), and the centrifugal chamber (58) extends to the contact position between the two sides of the sand plate (14) and the steel pipe through a drain pipe (513).

6. The seamless steel pipe welding device for mechanical equipment processing according to claim 2 is characterized in that: A second screw (6) is rotatably mounted on the processing platform (1), the spiral directions of the threads on both sides of the second screw (6) are opposite, the second screw (6) is driven by a second motor (7), and the two movable plates (21) are threadedly connected to the threads on both sides of the second screw (6).

7. The seamless steel pipe welding device for mechanical equipment processing according to claim 3 is characterized in that: Each lifting block (37) is slidably mounted on the side wall of the support plate (12) via an L-shaped rod (8).

8. The seamless steel pipe welding device for mechanical equipment processing according to claim 5, characterized in that: Both the water inlet pipe (512) and the drain pipe (513) are provided with a one-way valve.

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