CN217120625U

CN217120625U - Device is paintd with surface anticorrosive coating to welded tube production and processing

Info

Publication number: CN217120625U
Application number: CN202220114661.7U
Authority: CN
Inventors: 莒悦祥
Original assignee: Tianjin Heyuan Technology Co ltd
Current assignee: Tianjin Heyuan Technology Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-08-05
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses a surface anticorrosive coating smearing device for producing and processing welded pipes, which relates to the technical field of welded pipe production and processing equipment and comprises a workbench; a supporting seat; a fixing mechanism with a bidirectional screw rod. The utility model discloses a set up fixed establishment, it drives a set of circular pipe box and moves in opposite directions respectively to rotate two-way lead screw drive two sets of supporting seats, adjust the distance between two sets of circular pipe box to the same with welded pipe length, then place welded pipe both ends respectively on circular pipe box top, it drives the rack downstream to rotate first one-way lead screw drive arc piece afterwards, thereby it is rotatory that drive straight-teeth gear drives the connecting axle, it carries out synchronous rotation with another set of straight-teeth gear to drive another set of connecting axle through the telescopic link, another set of arc piece downstream is driven to another set of rack, thereby make two sets of arc pieces support on the welded pipe top, cooperation through above multiunit part has realized carrying out the function fixed to the welded pipe of arbitrary size, make things convenient for the staff to operate.

Description

Device is paintd with surface anticorrosive coating to welded tube production and processing

Technical Field

The utility model relates to a welded tube production and processing equipment technical field specifically is a device is paintd to surface anticorrosive coating for welded tube production and processing.

Background

The welded steel pipe is also called as welded pipe, and is made by welding a steel plate or strip steel after being curled and formed, and is generally 6 meters in length. The welded steel pipe has simple production process, high production efficiency, various types and specifications and less equipment investment, but the general strength is lower than that of a seamless steel pipe.

The anticorrosive coating needs to be paintd to its surface to the welded tube in the in-process of production and processing, so need use special equipment of paining, current equipment of paining can not fix the welded tube of random size, generally can only fix the welded tube of specific diameter size to the usability of device has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the welded pipe with any size cannot be fixed, a surface anticorrosive coating smearing device for welded pipe production and processing is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a device is paintd with surface anticorrosive coating to welded tube production and processing includes:

a work table;

a support base slidably connected to the top end of the worktable

The circular pipe sleeve is rotatably connected to the top end of the supporting seat;

the first motor is arranged on the outer wall of one side of the supporting seat, and the output end of the first motor is connected with the circular pipe sleeve;

the fixing mechanism with the bidirectional screw rod is distributed on the top end of the circular pipe sleeve and is connected with the top end of the workbench in a rotating mode, penetrates through the supporting seat and is used for fixing the welding pipe with any size.

So, the welded tube that will process is placed on two sets of circular pipe box tops, then the staff fixes the welded tube of arbitrary size through fixed establishment, then starts first motor, and the circular pipe box of first motor output drive drives the welded tube and rotates, conveniently paints the anticorrosive coating to the welded tube.

As a further aspect of the present invention: fixing mechanism includes two-way lead screw, rack, connecting plate, first one-way lead screw, arc piece, telescopic link, connecting axle and straight-teeth gear, connecting plate fixed connection be in the top of circular pipe box, first one-way lead screw rotates to be connected the top of connecting plate, arc piece sliding connection be in one side outer wall of connecting plate, and cup joint the outer wall of first one-way lead screw, rack fixed connection be in one side outer wall of arc piece, the connecting axle rotates to be connected one side outer wall of connecting plate, and is located one side of rack, straight-teeth gear cup joints the outer wall of connecting axle, and with rack toothing connects, telescopic link fixed connection be in the one end of connecting axle, connecting plate one side outer wall is provided with locking mechanism, be used for with straight-teeth gear carries out locking and unblock.

So, at first, according to the length of welded tube, then rotate two sets of supporting seats of two-way lead screw drive and drive a set of circular pipe box respectively and move in opposite directions, adjust the distance between two sets of circular pipe boxes to the same with welded tube length, then place welded tube both ends respectively on circular pipe box top, rotate first one-way lead screw drive arc piece afterwards and drive the rack and move down, thereby it is rotatory that the drive straight-teeth gear drives the connecting axle, thereby it rotates with another set of straight-teeth gear to drive another set of connecting axle and another set of straight-teeth gear to carry out synchronous rotation through the telescopic link, thereby it moves another set of arc piece and moves down to drive another set of rack, thereby make two sets of arc pieces support on the welded tube top, thereby fix the welded tube, realized carrying out the function of fixing to the welded tube of arbitrary size through the cooperation of above multiunit part, make things convenient for the staff to operate.

As a further aspect of the present invention: locking mechanism includes locking cover, second slider, connecting block and club, connecting block fixed connection be in one side outer wall of connecting plate, and be located one side of straight-teeth gear, second slider sliding connection be in one side outer wall of connecting block, locking cover fixed connection be in the one end of second slider, and with the straight-teeth gear meshing is connected, club sliding connection be in the top of connecting block, and one end run through to the inner wall of connecting block.

So, when the first one-way lead screw of needs rotation, stimulate earlier the locking cover and drive the first spring of second slider extrusion and remove to one end, when second slider side inclined plane and club contact, promote club pulling second spring rebound, when locking cover and spur gear separation, the fixed orifices that second slider top was seted up moves the below that is located the club, make the second spring no longer receive external extrusion force and drive the club and reset, make the club insert in the second slider top fixed orifices, fix second slider and connecting block, thereby make the spur gear no longer fixed, carry out reverse operation with above-mentioned step and carry out the locking with the spur gear.

As a further aspect of the present invention: the supporting seat is provided with two sets, the outer wall of two-way lead screw is provided with positive and negative screw thread, and is a set of the supporting seat cup joints two-way lead screw positive screw thread outer wall, and another group the supporting seat cup joints two-way lead screw negative screw thread outer wall, the top of workstation seted up with two sets of the first spacing spout of supporting seat assorted.

So, be convenient for rotate two-way lead screw, drive two sets of supporting seats and carry out in two-way lead screw outer wall and move mutually or mutually to make things convenient for the staff to adjust the distance between two sets of supporting seats according to the length of welded tube.

As the utility model discloses further scheme again: the connecting axle is provided with two sets ofly, the first bearing cover of outer wall fixedly connected with of connecting axle, the connecting axle pass through outer wall fixed connection's first bearing cover with the connecting plate rotates to be connected, and is two sets of the connecting axle passes through telescopic link fixed connection, the first stopper of one side outer wall fixedly connected with of arc piece, the arc piece cup joints through outer wall fixed connection's first stopper the outer wall of first one-way lead screw, the arc piece pass through outer wall fixed connection's first stopper with connecting plate sliding connection, rack fixed connection is at one side outer wall of first stopper.

So, be convenient for rotate first one-way lead screw drive first stopper and drive arc piece downstream to drive rack downstream, drive the straight-teeth gear and drive the connecting axle and drive the telescopic link and rotate, the telescopic link is rotatory to be driven and to drive another set of straight-teeth gear through another set of connecting axle and rotate in step, through connecting axle outer wall fixed connection's bearing housing, reduces the frictional force between connecting axle and the connecting plate.

As a further aspect of the present invention: the bottom fixedly connected with second stopper of second slider, the second slider pass through bottom fixed connection's second stopper with connecting block sliding connection, the first spring of one side outer wall fixedly connected with of second slider, the one end of first spring with connecting block fixed connection, the outer wall fixedly connected with second spring of club, just the one end of second spring with connecting block fixed connection, one side outer wall of second slider is located one side of club sets up to the inclined plane structure, the top of second slider seted up with club assorted fixed orifices.

So, be convenient for spur locking cover drives the first spring of second slider extrusion and removes to one end, when second slider lateral surface and club contact, promote club pulling second spring rebound, when locking cover and straight-teeth gear separation, the fixed orifices that second slider top was seted up moves the below that is located the club, makes the second spring no longer receive external extrusion force and drives the club and reset, makes the club insert in the second slider top fixed orifices.

As the utility model discloses further scheme again: the top of workstation is located the second motor is installed to one side of first motor, the one-way lead screw of second is installed to the output of second motor, the top sliding connection of workstation has first slider, just first slider cup joints the outer wall of the one-way lead screw of second, the shower nozzle is installed to the one end of first slider, the outer wall fixedly connected with second bearing housing of circular pipe box, circular pipe box pass through outer wall fixed connection's second bearing housing with the supporting seat rotates and is connected.

So, the one-way lead screw of second passes through outer wall fixedly connected with third bearing cover, the one-way lead screw of second passes through outer wall fixed connection's third bearing cover and is connected with the workstation rotation, pass through the conveyer pipe with the shower nozzle and be connected with the defeated equipment of external anticorrosive coating, when needs paint anticorrosive coating to the welded tube, paint external anticorrosive coating to the welded tube outer wall through the shower nozzle, then start first motor, the circular pipe box of first motor output drive drives the welded tube and rotates, later start the second motor, the one-way lead screw of second motor output drive second rotates, thereby remove through first slider drive shower nozzle, with this messenger's shower nozzle carries out even anticorrosive coating that paints to the welded tube.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by arranging the fixing mechanism, the two groups of supporting seats are driven by rotating the two-way screw rod to respectively drive one group of circular pipe sleeves to move oppositely, the distance between the two groups of circular pipe sleeves is adjusted to be the same as the length of a welded pipe, then two ends of the welded pipe are respectively placed at the top ends of the circular pipe sleeves, then the first one-way screw rod is rotated to drive the arc-shaped blocks to drive the racks to move downwards, so that the straight gear is driven to drive the connecting shaft to rotate, the other group of connecting shaft and the other group of straight gear are driven by the telescopic rod to synchronously rotate, the other group of rack is driven to drive the other group of arc-shaped blocks to move downwards, so that the two groups of arc-shaped blocks are abutted against the top ends of the welded pipe, the function of fixing the welded pipe with any size is realized by the cooperation of the above groups of parts, and the operation of workers is convenient;

2. through setting up locking mechanism, when the first one-way lead screw of needs rotation, stimulate earlier the locking cover and drive the first spring of second slider extrusion and remove to one end, when second slider side inclined plane and club contact, promote club pulling second spring rebound, when locking cover and straight-teeth gear separation, the fixed orifices that second slider top was seted up moves the below that is located the club, make the second spring no longer receive external extrusion force and drive the club and reset, make the club insert in second slider top fixed orifices, fix second slider and connecting block, thereby make the straight-teeth gear no longer fixed, carry out reverse operation with above-mentioned step and carry out the locking with the straight-teeth gear.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view of the point A of the present invention;

fig. 3 is a schematic structural view of the fixing mechanism and the locking mechanism of the present invention;

fig. 4 is an enlarged view of the position B of the present invention.

In the figure: 1. a work table; 2. a supporting seat; 3. a circular pipe sleeve; 4. a first motor; 5. a fixing mechanism; 501. a bidirectional screw rod; 502. a rack; 503. a connecting plate; 504. a first one-way lead screw; 505. an arc-shaped block; 506. a telescopic rod; 507. A connecting shaft; 508. a spur gear; 6. a second motor; 7. a spray head; 8. a first slider; 9. a second one-way screw rod; 10. A locking mechanism; 1001. a locking sleeve; 1002. a second slider; 1003. connecting blocks; 1004. a cue stick.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in an embodiment of the present invention, a device is paintd with surface anticorrosive layer to welded tube production and processing includes:

a work table 1;

a support seat 2, the support seat 2 is connected on the top end of the worktable 1 in a sliding way

The round pipe sleeve 3 is rotatably connected to the top end of the supporting seat 2;

the first motor 4 is arranged on the outer wall of one side of the supporting seat 2, and the output end of the first motor 4 is connected with the circular pipe sleeve 3;

the fixing mechanism 5 with the bidirectional screw 501 is distributed on the top end of the circular pipe sleeve 3, is connected to the top end of the workbench 1 in a rotating mode, penetrates through the supporting seat 2 and is used for fixing the welded pipe with any size.

In this embodiment: the welded pipe that will process is placed on 3 tops of two sets of circular pipe box, then the staff fixes the welded pipe of arbitrary size through fixed establishment 5, then starts first motor 4, and the circular pipe box of 4 output drives of first motor 3 drives the welded pipe and rotates, conveniently paints the anticorrosive coating to the welded pipe.

Referring to fig. 1-3, the fixing mechanism 5 includes a two-way screw 501, a rack 502, a connecting plate 503, a first one-way screw 504, an arc block 505, a telescopic rod 506, a connecting shaft 507 and a spur gear 508, the connecting plate 503 is fixedly connected to the top end of the circular tube housing 3, the first one-way screw 504 is rotatably connected to the top end of the connecting plate 503, the arc block 505 is slidably connected to the outer wall of one side of the connecting plate 503, and is sleeved on the outer wall of the first one-way screw rod 504, the rack 502 is fixedly connected with the outer wall of one side of the arc-shaped block 505, the connecting shaft 507 is rotatably connected with the outer wall of one side of the connecting plate 503, and is positioned at one side of the rack 502, the spur gear 508 is sleeved on the outer wall of the connecting shaft 507, and is engaged with the rack 502, the telescopic rod 506 is fixedly connected to one end of the connecting shaft 507, and the outer wall of one side of the connecting plate 503 is provided with a locking mechanism 10 for locking and unlocking the spur gear 508.

In this embodiment: firstly, according to the length of a welded pipe, then, a bidirectional screw rod 501 is rotated to drive two groups of supporting seats 2 to respectively drive one group of circular pipe sleeves 3 to move towards each other, the distance between the two groups of circular pipe sleeves 3 is adjusted to be the same as the length of the welded pipe, then, two ends of the welded pipe are respectively placed at the top ends of the circular pipe sleeves 3, then, a first unidirectional screw rod 504 is rotated to drive an arc-shaped block 505 to drive a rack 502 to move downwards, so that a spur gear 508 is driven to drive a connecting shaft 507 to rotate, so that a telescopic rod 506 drives another group of connecting shaft 507 and another group of spur gear 508 to synchronously rotate, so that another group of rack 502 is driven to drive another group of arc-shaped block 505 to move downwards, so that the two groups of arc-shaped blocks 505 are abutted against the top end of the welded pipe, so that the welded pipe is fixed, the function of fixing the welded pipe with any size is realized through the cooperation of the above groups of parts, and the operation of workers is convenient.

Please refer to fig. 2-4, the locking mechanism 10 includes a locking sleeve 1001, a second slider 1002, a connecting block 1003 and a ball bar 1004, the connecting block 1003 is fixedly connected to an outer wall of one side of the connecting plate 503 and located at one side of the spur gear 508, the second slider 1002 is slidably connected to an outer wall of one side of the connecting block 1003, the locking sleeve 1001 is fixedly connected to one end of the second slider 1002 and engaged with the spur gear 508, the ball bar 1004 is slidably connected to a top end of the connecting block 1003, and one end of the ball bar penetrates through an inner wall of the connecting block 1003.

In this embodiment: when the first one-way screw rod 504 needs to be rotated, the locking sleeve 1001 is pulled to drive the second slider 1002 to extrude the first spring to move towards one end, when the inclined surface on one side of the second slider 1002 is in contact with the ball rod 1004, the ball rod 1004 is pushed to pull the second spring to move upwards, when the locking sleeve 1001 is separated from the spur gear 508, the fixing hole formed in the top end of the second slider 1002 moves to the position below the ball rod 1004, the second spring is enabled not to be subjected to external extrusion force any more to drive the ball rod 1004 to reset, the ball rod 1004 is enabled to be inserted into the fixing hole in the top end of the second slider 1002, the second slider 1002 and the connecting block 1003 are fixed, the spur gear 508 is enabled not to be fixed any more, and the steps are enabled to be operated reversely to lock the spur gear 508.

Please refer to fig. 1, two sets of supporting seats 2 are provided, the outer wall of the bidirectional screw 501 is provided with a positive thread and a negative thread, one set of supporting seat 2 is sleeved on the outer wall of the positive thread of the bidirectional screw 501, the other set of supporting seat 2 is sleeved on the outer wall of the negative thread of the bidirectional screw 501, and the top end of the worktable 1 is provided with a first limiting chute matched with the two sets of supporting seats 2.

In this embodiment: be convenient for rotate two-way lead screw 501, drive two sets of supporting seats 2 and carry out in two-way lead screw 501 outer wall and move in opposite directions or back to each other to make things convenient for the staff to adjust the distance between two sets of supporting seats 2 according to the length of welded tube.

Please refer to fig. 2-3, the connecting shafts 507 are provided with two sets, the outer wall of the connecting shaft 507 is fixedly connected with a first bearing sleeve, the connecting shaft 507 is rotatably connected with the connecting plate 503 through the first bearing sleeve fixedly connected with the outer wall, the two sets of connecting shafts 507 are fixedly connected through a telescopic rod 506, the outer wall of one side of the arc-shaped block 505 is fixedly connected with a first limiting block, the arc-shaped block 505 is sleeved on the outer wall of the first one-way screw rod 504 through the first limiting block fixedly connected with the outer wall, the arc-shaped block 505 is slidably connected with the connecting plate 503 through the first limiting block fixedly connected with the outer wall, and the rack 502 is fixedly connected with the outer wall of one side of the first limiting block.

In this embodiment: the first one-way screw rod 504 is convenient to rotate to drive the first limiting block to drive the arc-shaped block 505 to move downwards, so that the rack 502 is driven to move downwards, the driving spur gear 508 drives the connecting shaft 507 to drive the telescopic rod 506 to rotate, the telescopic rod 506 rotates to drive the other group of spur gears 508 to synchronously rotate through the other group of connecting shaft 507, and the friction force between the connecting shaft 507 and the connecting plate 503 is reduced through the bearing sleeve fixedly connected with the outer wall of the connecting shaft 507.

Please refer to fig. 2 and fig. 4 again, the bottom end of the second slider 1002 is fixedly connected with a second limiting block, the second slider 1002 is connected with the connecting block 1003 by the second limiting block fixedly connected with the bottom end, one side outer wall of the second slider 1002 is fixedly connected with a first spring, one end of the first spring is fixedly connected with the connecting block 1003, the outer wall of the ball bar 1004 is fixedly connected with a second spring, one end of the second spring is fixedly connected with the connecting block 1003, one side of the outer wall of the one side of the second slider 1002, which is located on the ball bar 1004, is set to be an inclined plane structure, and the top end of the second slider 1002 is provided with a fixing hole matched with the ball bar 1004.

In this embodiment: be convenient for to pull locking cover 1001 and drive second slider 1002 extrusion first spring and move to one end, when second slider 1002 side inclined plane contacted with club 1004, promote club 1004 and pull second spring rebound, when locking cover 1001 and spur gear 508 separation, the fixed orifices that second slider 1002 top was seted up moved the below that is located club 1004, make the second spring no longer receive external extrusion force and drive club 1004 and reset, make club 1004 insert in the fixed orifices in second slider 1002 top.

Please refer to fig. 1, the top end of the workbench 1 is located at one side of the first motor 4 and is provided with a second motor 6, the output end of the second motor 6 is provided with a second one-way screw rod 9, the top end of the workbench 1 is connected with a first slider 8 in a sliding manner, the first slider 8 is sleeved on the outer wall of the second one-way screw rod 9, one end of the first slider 8 is provided with a spray head 7, the outer wall of the circular pipe sleeve 3 is fixedly connected with a second bearing sleeve, and the circular pipe sleeve 3 is rotatably connected with the supporting seat 2 through the second bearing sleeve fixedly connected with the outer wall.

In this embodiment: one-way lead screw 9 of second passes through outer wall fixedly connected with third bearing housing, one-way lead screw 9 of second passes through outer wall fixed connection's third bearing housing and is connected with workstation 1 rotation, pass through the conveyer pipe with shower nozzle 7 and be connected with the defeated equipment of external anticorrosive coating, when needs paint anticorrosive coating to the welded tube, paint external anticorrosive coating to the welded tube outer wall through shower nozzle 7, then start first motor 4, the circular pipe box of 4 output drive of first motor 3 drives the welded tube and rotates, later start second motor 6, the one-way lead screw 9 of 6 output drive second of second motor rotates, thereby remove through 8 drive shower nozzle 7 of first slider, with this make 7 butt welded tubes of shower nozzle carry out even anticorrosive coating of paining.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a device is paintd with surface anticorrosive coating to welded tube production and processing which characterized in that includes:

a table (1);

a support seat (2), the support seat (2) is connected with the top end of the workbench (1) in a sliding way

The round pipe sleeve (3), the round pipe sleeve (3) is rotatably connected to the top end of the supporting seat (2);

the first motor (4) is mounted on the outer wall of one side of the supporting seat (2), and the output end of the first motor (4) is connected with the circular pipe sleeve (3);

the fixing mechanism (5) is provided with a bidirectional screw rod (501), is distributed at the top end of the circular pipe sleeve (3), is rotatably connected with the top end of the workbench (1), penetrates through the supporting seat (2), and is used for fixing the welded pipe with any size;

fixing mechanism (5) includes two-way lead screw (501), rack (502), connecting plate (503), first one-way lead screw (504), arc piece (505), telescopic link (506), connecting axle (507) and spur gear (508), connecting plate (503) fixed connection be in the top of circular pipe box (3), first one-way lead screw (504) rotate to be connected the top of connecting plate (503), arc piece (505) sliding connection be in one side outer wall of connecting plate (503), and cup joint the outer wall of first one-way lead screw (504), rack (502) fixed connection be in one side outer wall of arc piece (505), connecting axle (507) rotate to be connected one side outer wall of connecting plate (503), and be located one side of rack (502), spur gear (508) cup joint the outer wall of connecting axle (507), and with rack (502) meshing connection, telescopic link (506) fixed connection in the one end of connecting axle (507), connecting plate (503) one side outer wall is provided with locking mechanical system (10), be used for with spur gear (508) carry out locking and unblock.

2. The surface anticorrosive coating smearing device for welded pipe production and processing according to claim 1, wherein the locking mechanism (10) comprises a locking sleeve (1001), a second sliding block (1002), a connecting block (1003) and a ball rod (1004), the connecting block (1003) is fixedly connected to the outer wall of one side of the connecting block (503) and located on one side of the spur gear (508), the second sliding block (1002) is slidably connected to the outer wall of one side of the connecting block (1003), the locking sleeve (1001) is fixedly connected to one end of the second sliding block (1002) and meshed with the spur gear (508), and the ball rod (1004) is slidably connected to the top end of the connecting block (1003) and one end of the ball rod penetrates through the inner wall of the connecting block (1003).

3. The device for applying the surface anticorrosive coating for the production and processing of the welded pipe according to claim 1, wherein the supporting seats (2) are provided in two groups, the outer wall of the bidirectional screw rod (501) is provided with positive and negative threads, one group of the supporting seats (2) is sleeved on the outer wall of the positive threads of the bidirectional screw rod (501), the other group of the supporting seats (2) is sleeved on the outer wall of the negative threads of the bidirectional screw rod (501), and the top end of the workbench (1) is provided with a first limiting sliding groove matched with the two groups of the supporting seats (2).

4. The device for applying the surface anticorrosive coating to the production and processing of the welded pipe according to claim 1, it is characterized in that two groups of connecting shafts (507) are arranged, the outer wall of each connecting shaft (507) is fixedly connected with a first bearing sleeve, the connecting shafts (507) are rotatably connected with the connecting plate (503) through first bearing sleeves fixedly connected with the outer wall, the two groups of connecting shafts (507) are fixedly connected through the telescopic rods (506), the outer wall of one side of the arc-shaped block (505) is fixedly connected with a first limiting block, the arc-shaped block (505) is sleeved on the outer wall of the first one-way screw rod (504) through the first limiting block fixedly connected with the outer wall, the arc-shaped block (505) is connected with the connecting plate (503) in a sliding mode through a first limiting block fixedly connected with the outer wall, and the rack (502) is fixedly connected to the outer wall of one side of the first limiting block.

5. The surface anticorrosive coating smearing device for welded pipe production and processing according to claim 2, wherein a second limiting block is fixedly connected to the bottom end of the second sliding block (1002), the second sliding block (1002) is slidably connected with the connecting block (1003) through the second limiting block fixedly connected to the bottom end, a first spring is fixedly connected to the outer wall of one side of the second sliding block (1002), one end of the first spring is fixedly connected with the connecting block (1003), a second spring is fixedly connected to the outer wall of the ball bar (1004), one end of the second spring is fixedly connected with the connecting block (1003), the outer wall of one side of the second sliding block (1002) located on one side of the ball bar (1004) is provided with an inclined surface structure, and a fixing hole matched with the ball bar (1004) is formed in the top end of the second sliding block (1002).

6. The device for smearing the surface anticorrosive coating for production and processing of the welded pipe according to claim 1, wherein a second motor (6) is installed at one side, located at one side of the first motor (4), of the top end of the workbench (1), a second one-way lead screw (9) is installed at the output end of the second motor (6), a first sliding block (8) is connected to the top end of the workbench (1) in a sliding mode, the first sliding block (8) is sleeved on the outer wall of the second one-way lead screw (9), a spray head (7) is installed at one end of the first sliding block (8), a second bearing sleeve is fixedly connected to the outer wall of the circular pipe sleeve (3), and the circular pipe sleeve (3) is rotatably connected with the supporting seat (2) through the second bearing sleeve fixedly connected to the outer wall.