Rolling device for steel pipe welding

Abstract

The invention discloses a rolling device for steel pipe welding, comprising: a support mechanism comprising a base, a bottom plate arranged on the base, a rolling part arranged on the bottom plate, and a butt joint part arranged on the rolling part; the adjusting mechanism comprises a first penetrating opening formed in the bottom plate, a guide plate arranged in the first penetrating opening, a reset part arranged on the rolling part, a transmission part arranged on the rolling part, a rotating part arranged on the transmission part and an extrusion part arranged in the first penetrating opening; and the driving mechanism comprises a second penetrating opening and a fixing plate which are arranged on the bottom plate, a pulling part arranged on the resetting part, a driving part arranged on the fixing plate, and a rotating part arranged on the driving part. And through the arrangement of the supporting mechanism, the adjusting mechanism and the driving mechanism, workers can conveniently weld steel pipes of different sizes.

Description

Technical Field

[0001] The invention relates to the technical field of steel pipe welding, and in particular to a rolling device for steel pipe welding. Background Art

[0002] Welded steel pipe refers to a steel pipe with a seam on the surface that is made by bending steel strips or steel plates into round, square and other shapes and then welding them. The blank used for welded steel pipes is steel plates or strip steel.

[0003] When welding existing steel pipes, workers are required to first spot weld the joints of the two steel pipes for a simple fixation, and then weld around a circle of the steel pipes to complete the complete welding of the two steel pipes. If the steel pipe is placed on a rolling device for rolling, the bulge during spot welding will affect the normal rolling of the steel pipe. The existing rolling device consists of two rollers. In order to ensure the synchronization of the two rollers, a toothed belt is required for transmission. Once the spacing between the rollers changes, the toothed belt and the rollers will not mesh, and transmission cannot be performed between the rollers. Summary of the invention

[0004] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0005] In view of the problem that when the distance between the two rollers of the above-mentioned existing rolling device for steel pipe welding changes, the toothed belt and the rollers will not mesh, and the transmission between the rollers cannot be carried out, the present invention is proposed.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a rolling device for steel pipe welding, comprising: a supporting mechanism, which includes a base, a bottom plate arranged on the base, a rolling part arranged on the bottom plate, and a docking part arranged on the rolling part; an adjusting mechanism, including a first through-hole arranged on the bottom plate, a guide plate arranged inside the first through-hole, a reset part arranged on the rolling part, a transmission part arranged on the rolling part, a rotating part arranged on the transmission part, and an extrusion part arranged inside the first through-hole; a driving mechanism, including a second through-hole and a fixed plate arranged on the bottom plate, a pulling part arranged on the reset part, a driving part arranged on the fixed plate, and a rotating part arranged on the driving part.

[0007] As a preferred solution of the rolling device for steel pipe welding of the present invention, the rolling part includes a slide groove arranged on the bottom plate, a support plate arranged inside the slide groove, and a roller arranged on the support plate.

[0008] As a preferred solution of the rolling device for steel pipe welding of the present invention, the butting portion includes a steel pipe arranged on the roller and an annular section arranged on the steel pipe.

[0009] As a preferred solution of the rolling device for steel pipe welding of the present invention, the reset part includes a follower plate arranged on the support plate, a telescopic tube arranged on the follower plate, and a spring arranged inside the telescopic tube.

[0010] As a preferred solution of the rolling device for steel pipe welding of the present invention, the transmission part includes a fixed ring arranged on the roller, an annular tooth groove arranged on the fixed ring, and a toothed belt arranged inside the annular tooth groove.

[0011] As a preferred solution of the rolling device for steel pipe welding of the present invention, the rotating part includes a pad arranged on the bottom plate, a motor arranged on the pad, and a transmission shaft arranged on the motor.

[0012] As a preferred solution of the rolling device for steel pipe welding of the present invention, the extrusion part includes a vertical rod arranged inside the first penetration port, and a first extrusion rod and a second extrusion rod arranged on the vertical rod.

[0013] As a preferred solution of the rolling device for steel pipe welding of the present invention, the pulling part includes a pulling rope arranged on the supporting plate and an extrusion block arranged on the vertical rod.

[0014] As a preferred solution of the rolling device for steel pipe welding described in the present invention, the driving part includes a baffle plate arranged on the vertical rod, an inclined groove arranged on the baffle plate, a triangular block arranged inside the inclined groove, a long rod arranged on the triangular block, a threaded sleeve arranged on the long rod, a threaded rod arranged on the fixed plate, and a fixed plate arranged on the threaded rod.

[0015] As a preferred solution of the rolling device for steel pipe welding described in the present invention, the rotating part includes a slot, a ring and a limit block arranged on the fixed plate, a third through hole arranged on the ring, a hook arranged on the bottom plate, and an insertion rod arranged on the hook.

[0016] The beneficial effects of the present invention are as follows: through the setting of the supporting mechanism, it is convenient for the staff to place the two steel pipes between the two rollers and make the two steel pipes contact each other, so that the staff can weld the two steel pipes; through the setting of the adjusting mechanism, it is convenient for the staff to adjust the distance between the two rollers according to the size of the steel pipe, and at the same time avoid the steel pipe from touching the toothed belt during the movement; through the setting of the driving mechanism, it is convenient for the staff to adjust the distance between the two rollers at will and fix them in time, and at the same time prevent the staff from accidentally touching them. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 It is a schematic diagram of the overall structure of the rolling device for steel pipe welding of the present invention.

[0019] Figure 2 It is a schematic diagram of the side structure of the rolling device for steel pipe welding of the present invention.

[0020] Figure 3 It is a schematic diagram of the front structure of the rolling device for steel pipe welding of the present invention.

[0021] Figure 4 It is a schematic diagram of the local structure of the bottom plate of the rolling device for steel pipe welding of the present invention.

[0022] Figure 5 It is a schematic diagram of the structure of the adjusting mechanism of the rolling device for steel pipe welding of the present invention.

[0023] Figure 6 It is a schematic diagram of the internal structure of the telescopic tube of the rolling device for steel pipe welding of the present invention.

[0024] Figure 7 This is a schematic diagram of the internal structure of the first penetration port of the rolling device for steel pipe welding of the present invention.

[0025] Figure 8 It is a schematic diagram of the internal structure of the threaded pipe of the rolling device for steel pipe welding of the present invention. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0029] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0030] Example 1

[0031] Reference Figure 1 - Figure 4 A rolling device for welding a steel pipe 104a is provided, comprising a supporting mechanism 100, which comprises a base 101, a bottom plate 102 arranged on the base 101, a rolling portion 103 arranged on the bottom plate 102, and a docking portion 104 arranged on the rolling portion 103.

[0032] There are four bases 101 , which are evenly distributed at four angles at the bottom of the base plate 102 .

[0033] Furthermore, the rolling portion 103 includes a slide groove 103a disposed on the bottom plate 102, a support plate 103b disposed inside the slide groove 103a, and a roller 103c disposed on the support plate 103b.

[0034] A slide groove 103 a is provided on the top of the bottom plate 102 .

[0035] There are two support plates 103b, and the two support plates 103b can slide inside the slide groove 103a.

[0036] The top of the support plate 103b extends to the outside of the slide groove 103a and is connected to the roller 103c.

[0037] Specifically, there are two rollers 103c, and both ends of the two rollers 103c are connected to the support plate 103b.

[0038] Furthermore, the docking portion 104 includes a steel pipe 104a disposed on the roller 103c, and an annular section 104b disposed on the steel pipe 104a.

[0039] The steel pipe 104a is located on the top of the two rollers 103c, and the steel pipe 104a is located between the two rollers 103c.

[0040] Wherein, both end faces of the steel pipe 104a are provided with annular cut surfaces 104b.

[0041] Specifically, when the two steel tubes 104a are placed on the roller 103c, the end surfaces of the two steel tubes 104a are in contact with each other, and at this time, a "V" shape is formed between the two steel tubes 104a.

[0042] Operation process: when multiple steel pipes 104a need to be welded, the staff first places two steel pipes 104a on two rollers 103c, and at the same time, connects the two steel pipes 104a. At this time, the staff uses a welding gun to spot weld the weld between the two steel pipes 104a. The spot welding position is located between the two annular sections 104b to avoid affecting the normal rolling of the steel pipes 104a, so that the two steel pipes 104a are simply fixed. When the roller 103c rotates, the staff does not need to move to complete the welding of a circle of the two steel pipes 104a.

[0043] Example 2

[0044] Reference Figure 1 - Figure 7 This embodiment is different from the first embodiment in that: the adjustment mechanism 200 includes a first through-hole 201 arranged on the bottom plate 102, a guide plate 202 arranged inside the first through-hole 201, a reset portion 203 arranged on the rolling portion 103, a transmission portion 204 arranged on the rolling portion 103, a rotating portion 205 arranged on the transmission portion 204, and an extrusion portion 206 arranged inside the first through-hole 201.

[0045] There are four guide plates 202 , two of which form a group, and the two groups of guide plates 202 are located in the middle of the first through opening 201 .

[0046] Specifically, there is a certain distance between the two guide plates 202 .

[0047] Furthermore, the reset portion 203 includes a follower plate 203a disposed on the support plate 103b, a telescopic tube 203b disposed on the follower plate 203a, and a spring 203c disposed inside the telescopic tube 203b.

[0048] Wherein, a follower plate 203a is arranged on the side wall of the support plate 103b.

[0049] Specifically, the included angle between the follower plate 203 a and the support plate 103 b is 90°, and the bottom of the follower plate 203 a contacts the top of the bottom plate 102 .

[0050] Specifically, the number of follower plates 203a is two.

[0051] A telescopic tube 203b is arranged between the two follower plates 203a.

[0052] Specifically, when the two follower plates 203a approach each other, the spring 203c inside the telescopic tube 203b can be driven to contract.

[0053] Furthermore, the transmission part 204 includes a fixing ring 204a disposed on the roller 103c, an annular tooth groove 204b disposed on the fixing ring 204a, and a toothed belt 204c disposed inside the annular tooth groove 204b.

[0054] There are two fixing rings 204a, and both fixing rings 204a are fixedly sleeved on the side wall of the roller 103c, and the two fixing rings 204a are respectively located at the ends adjacent to the roller 103c.

[0055] Specifically, when the roller 103c rotates, the fixing ring 204a can be driven to rotate together.

[0056] The annular tooth groove 204b is arranged on the side wall of the fixing ring 204a.

[0057] The toothed belt 204c is respectively engaged with the two annular tooth grooves 204b, and the two fixing rings 204a are transmitted through the toothed belt 204c.

[0058] Furthermore, the rotating part 205 includes a cushion block 205a disposed on the bottom plate 102, a motor 205b disposed on the cushion block 205a, and a transmission shaft 205c disposed on the motor 205b.

[0059] The pad 205a is placed on the top of the bottom plate 102.

[0060] The motor 205b is arranged on the cushion block 205a.

[0061] The output end of the motor 205b is connected to the transmission shaft 205c, and one end of the transmission shaft 205c away from the motor 205b penetrates the support plate 103b and is connected to the roller 103c.

[0062] Specifically, when the motor 205b is started, the motor 205b drives the transmission shaft 205c to rotate, and the transmission shaft 205c drives the roller 103c to rotate, so that the steel pipe 104a on the roller 103c rotates.

[0063] Furthermore, the extrusion portion 206 includes a vertical rod 206a disposed inside the first through hole 201, and a first extrusion rod 206b and a second extrusion rod 206c disposed on the vertical rod 206a.

[0064] The two sides of the vertical rod 206 a are in contact with one side of the guide plate 202 respectively.

[0065] Specifically, by disposing the guide plate 202, the vertical rod 206a can only move in the longitudinal position.

[0066] Specifically, the number of the vertical rods 206a is two.

[0067] A first extrusion rod 206b and a second extrusion rod 206c are respectively arranged between the two vertical rods 206a.

[0068] Specifically, the first extrusion rod 206 b is located at the top of the vertical rod 206 a , and the bottom of the first extrusion rod 206 b contacts the outer side wall of the toothed belt 204 c .

[0069] Specifically, the second extrusion rod 206c is located in the middle of the vertical rod 206a, and the bottom of the second extrusion rod 206c contacts the inner side wall of the toothed belt 204c.

[0070] Operation process: The sizes of the steel pipes 104a are different. In order to place the steel pipes 104a more stably, it is necessary to adjust the distance between the two rollers 103c. At the same time, as the number of welded steel pipes 104a increases, it is necessary to keep the steel pipes 104a able to roll on the rollers 103c. The position of the steel pipes 104a needs to be moved. In order to prevent the steel pipes 104a from being blocked by the toothed belt 204c during the movement, the toothed belt 204c has a certain curvature. The staff can push the two support plates 103b so that the two support plates 103b are close to each other inside the slide groove 103a, and the support plate 103b drives the follower plate 203a to move, and the follower plate 203a drives the transmission shaft 205c and the roller 103c to move, so that the two rollers 103 c is reduced, the transmission shaft 205c drives the motor 205b to move, the motor 205b drives the cushion block 205a to move on the top of the bottom plate 102, the telescopic tube 203b contracts under the movement of the follower plate 203a, so that the spring 203c inside the telescopic tube 203b contracts. At this time, the vertical rod 206a is pressed, and the vertical rod 206a descends between the two guide plates 202. The vertical rod 206a drives the first extrusion rod 206b and the second extrusion rod 206c to squeeze the toothed belt 204c respectively, and the toothed belt 204c drives the roller 103c to rotate in the opposite direction. At this time, not only the distance between the two rollers 103c is contracted, but also the arc of the toothed belt 204c becomes larger, so as to prevent the steel pipe 104a from being blocked by the toothed belt 204c when moving.

[0071] Example 3

[0072] Reference Figure 1 - Figure 8 This embodiment is different from the above embodiments in that: the driving mechanism 300 includes a second through-hole 301 and a fixing plate 302 arranged on the bottom plate 102, a pulling portion 303 arranged on the reset portion 203, a driving portion 304 arranged on the fixing plate 302, and a rotating portion 305 arranged on the driving portion 304.

[0073] The second through-opening 301 is located between the sliding groove 103 a and the first through-opening 201 .

[0074] Specifically, the second through-opening 301 is located in the middle of the slide groove 103 a , and the first through-opening 201 and the second through-opening 301 are interconnected, and the second through-opening 301 and the slide groove 103 a are interconnected.

[0075] The fixing plate 302 is installed at the bottom of the base plate 102 , and the fixing plate 302 is close to the edge of the base plate 102 .

[0076] Furthermore, the pulling part 303 includes a pulling rope 303a disposed on the supporting plate 103b and a squeezing block 303b disposed on the vertical rod 206a.

[0077] The two support plates 103b are connected via a pull rope 303a.

[0078] The side of the vertical block adjacent to the slide slot 103a is connected to the extrusion block 303b.

[0079] Specifically, the extrusion block 303 b is sleeved on the side wall of the pull rope 303 a , and the width dimension of the extrusion block 303 b plus the cross-sectional dimension of the ends of the two pull ropes 303 a is equivalent to the width dimension of the second through hole 301 .

[0080] Specifically, the width of the second through-hole 301 is smaller than the width of the vertical rod 206 a , so as to prevent the vertical rod 206 a from entering the interior of the second through-hole 301 .

[0081] Specifically, during the descent of the vertical rod 206a, the vertical rod 206a can drive the extrusion block 303b to descend inside the second through hole 301, the extrusion block 303b drives the pull rope 303a to enter the second through hole 301, and the pull rope 303a drives the two support plates 103b to move closer to each other.

[0082] Furthermore, the driving part 304 includes a baffle 304a arranged on the vertical rod 206a, an inclined groove 304b arranged on the baffle 304a, a triangular block 304c arranged inside the inclined groove 304b, a long rod 304d arranged on the triangular block 304c, a threaded sleeve 304e arranged on the long rod 304d, a threaded rod 304f arranged on the fixing plate 302, and a fixing plate 304g arranged on the threaded rod 304f.

[0083] The bottom of the vertical rod 206 a is connected to the baffle 304 a , and when the distance between the two support plates 103 b is the largest, the top of the baffle 304 a contacts the bottom of the bottom plate 102 .

[0084] Wherein, inclined grooves 304b are provided on both sides of the baffle 304a.

[0085] A triangular block 304c is placed inside the inclined groove 304b.

[0086] One end of the triangular block 304c is connected to the long rod 304d.

[0087] One end of the long rod 304d away from the triangular block 304c is connected to the threaded sleeve 304e, and the threaded sleeve 304e is in contact with the bottom plate 102 at all times.

[0088] Specifically, the cross-section of the end of the threaded sleeve 304e is square.

[0089] The threaded rod 304f is rotatably connected to the fixing plate 302. When the threaded rod 304f rotates, the relative positions of the threaded rod 304f and the fixing plate 302 will not change.

[0090] Specifically, the threaded sleeve 304e is arranged on the side wall of the threaded rod 304f. When the threaded rod 304f rotates, the threaded rod 304f can drive the threaded sleeve 304e to move on the bottom of the base plate 102, the threaded sleeve 304e drives the long rod 304d to move, and the long rod 304d drives the triangular block 304c to move on the inclined groove 304b, so that the baffle 304a descends and rises.

[0091] One end of the threaded rod 304f away from the threaded sleeve 304e is connected to the fixing plate 304g.

[0092] Furthermore, the rotating part 305 includes a slot 305a, a ring 305b and a limit block 305c arranged on the fixed plate 304g, a third through hole 305d arranged on the ring 305b, a hook 305e arranged on the bottom plate 102, and an insertion rod 305f arranged on the hook 305e.

[0093] A slot 305a is provided on a side of the fixing plate 304g away from the threaded rod 304f.

[0094] Specifically, there are multiple slots 305a, and the multiple slots 305a are distributed on the fixed disk 304g in a ring array.

[0095] The collar 305b is sleeved on the side wall of the fixing plate 304g.

[0096] Specifically, the setting of the collar 305b can prevent the worker from accidentally touching the fixed disk 304g and causing the fixed disk 304g to rotate.

[0097] A limiting block 305c is installed at a central position of the fixed plate 304g away from the threaded rod 304f.

[0098] Specifically, the collar 305b is mounted on the side wall of the fixing plate 304g through the limiting block 305c.

[0099] Specifically, the third through opening 305d may be aligned with the slot 305a.

[0100] Among them, the number of hooks 305e is two.

[0101] The two ends of the inserting rod 305f are respectively located inside the hook 305e.

[0102] Operation process: In order to facilitate the fixing after the distance adjustment between the two rollers 103c is completed, when the staff adjusts the distance between the two rollers 103c, the staff removes the rod 305f on the hook 305e and inserts it into the third through-hole 305d. If the third through-hole 305d is not aligned with the slot 305a, the staff can rotate the ring 305b. When the slot 305a is aligned with the third through-hole 305d, the rod 305f can be inserted into the slot 305a. At this time, when the staff pushes the rod 305f, the rod 305f can drive the ring 305b and the fixed plate 304g to rotate together , the fixed plate 304g drives the threaded rod 304f to rotate. When the threaded rod 304f rotates, the threaded sleeve 304e can move to the side away from the fixed plate 302, the threaded sleeve 304e drives the long rod 304d to move, the long rod 304d drives the triangular block 304c to move, the triangular block 304c drives the inner part of the inclined groove 304b to move, so that the triangular block 304c squeezes the baffle 304a. Due to the limitation of the vertical rod 206a, the baffle 304a can only descend. When the baffle 304a descends, it drives the vertical rod 206a to descend together. The vertical rod 206a drives the extrusion block 303b to descend, and the extrusion block 303b drives the pull rope 303a to enter Inside the second through-hole 301, the pull rope 303a drives the support plates 103b at both ends to approach each other, the support plate 103b drives the follower plate 203a to move, the follower plate 203a drives the telescopic tube 203b to contract, the telescopic tube 203b drives the spring 203c to contract, the support plate 103b drives the roller 103c and the transmission shaft 205c to move, the transmission shaft 205c drives the motor 205b to move, the motor 205b drives the cushion block 205a to move on the bottom plate 102, and finally the two rollers 103c are brought close to each other (it should be noted that when the vertical rod 206a descends, the two rollers 103c are mainly pulled by the pull rope 303a. The first squeezing rod 206b and the second squeezing rod 206c are when the two rollers 103c are close to each other and the tension of the toothed belt 204c becomes smaller. In order to ensure the subsequent transmission, the first squeezing rod 206b and the second squeezing rod 206c squeeze the toothed belt 204c at the same time, so that the toothed belt 204c drives the two fixed rings 204a to rotate in relative directions, and adjusts the position of the toothed belt 204c on the gear to ensure that the toothed belt 204c is meshed with the fixed ring 204a to avoid affecting the subsequent transmission of the roller 103c). When the position is determined, the staff only needs to push the insertion rod 305f, pull out the insertion rod 305f and place it on the hook 305e.

[0103] When it is necessary to restore to the initial state, the staff rotates the fixed disk 304g in the opposite direction, so that the triangular block 304c moves in the opposite direction and does not squeeze the inclined groove 304b, so that the baffle 304a loses the squeezing force. At this time, the spring 203c recovers and drives the two support plates 103b away from each other, the support plate 103b drives the two rollers 103c away from each other, the ball drives the fixed ring 204a, and the fixed ring 204a drives the toothed belt 204c to gradually reduce the curvature, the support plate 103b drives the pull rope 303a, the pull rope 303a drives the squeezing block 303b to rise, and the squeezing block 303b drives the vertical rod 206a to rise and return to the initial position.

[0104] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangement, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other replacements, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the invention is not limited to a specific embodiment, but extends to several modifications still falling within the scope of the appended claims.

[0105] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0106] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0107] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A rolling device for steel pipe welding, characterized in that: include, A support mechanism (100) comprising a base (101), a bottom plate (102) arranged on the base (101), a rolling portion (103) arranged on the bottom plate (102), and a docking portion (104) arranged on the rolling portion (103); The adjusting mechanism (200) comprises a first through-hole (201) arranged on the bottom plate (102), a guide plate (202) arranged inside the first through-hole (201), a reset portion (203) arranged on the rolling portion (103), a transmission portion (204) arranged on the rolling portion (103), a rotating portion (205) arranged on the transmission portion (204), and a pressing portion (206) arranged inside the first through-hole (201); The driving mechanism (300) comprises a second through hole (301) and a fixing plate (302) arranged on the bottom plate (102), a pulling portion (303) arranged on the resetting portion (203), a driving portion (304) arranged on the fixing plate (302), and a rotating portion (305) arranged on the driving portion (304).

2. The rolling device for steel pipe welding according to claim 1, characterized in that: The rolling part (103) comprises a slide groove (103a) arranged on the bottom plate (102), a support plate (103b) arranged inside the slide groove (103a), and a roller (103c) arranged on the support plate (103b).

3. The rolling device for steel pipe welding according to claim 2, characterized in that: The docking portion (104) comprises a steel pipe (104a) arranged on the roller (103c), and an annular section (104b) arranged on the steel pipe (104a).

4. The rolling device for steel pipe welding according to claim 2, characterized in that: The reset part (203) comprises a follower plate (203a) arranged on the support plate (103b), a telescopic tube (203b) arranged on the follower plate (203a), and a spring (203c) arranged inside the telescopic tube (203b).

5. The rolling device for steel pipe welding according to claim 2, characterized in that: The transmission part (204) comprises a fixed ring (204a) arranged on the roller (103c), an annular tooth groove (204b) arranged on the fixed ring (204a), and a toothed belt (204c) arranged inside the annular tooth groove (204b).

6. The rolling device for steel pipe welding according to claim 1, characterized in that: The rotating part (205) comprises a cushion block (205a) arranged on the bottom plate (102), a motor (205b) arranged on the cushion block (205a), and a transmission shaft (205c) arranged on the motor (205b).

7. The rolling device for steel pipe welding according to claim 4, characterized in that: The extrusion portion (206) comprises a vertical rod (206a) arranged inside the first through hole (201), and a first extrusion rod (206b) and a second extrusion rod (206c) arranged on the vertical rod (206a).

8. The rolling device for steel pipe welding according to claim 7, characterized in that: The pulling part (303) comprises a pulling rope (303a) arranged on the supporting plate (103b) and an extrusion block (303b) arranged on the vertical rod (206a).

9. The rolling device for steel pipe welding according to claim 7, characterized in that: The driving part (304) comprises a baffle (304a) arranged on the vertical rod (206a), an inclined groove (304b) arranged on the baffle (304a), a triangular block (304c) arranged inside the inclined groove (304b), a long rod (304d) arranged on the triangular block (304c), a threaded sleeve (304e) arranged on the long rod (304d), a threaded rod (304f) arranged on the fixing plate (302), and a fixing plate (304g) arranged on the threaded rod (304f).

10. The rolling device for steel pipe welding according to claim 9, characterized in that: The rotating part (305) comprises a slot (305a), a ring (305b) and a limit block (305c) arranged on the fixed plate (304g), a third through hole (305d) arranged on the ring (305b), a hook (305e) arranged on the bottom plate (102), and an insertion rod (305f) arranged on the hook (305e).

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