CN118455321A - Welded pipe forming sizing mill - Google Patents

Welded pipe forming sizing mill Download PDF

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Publication number
CN118455321A
CN118455321A CN202410858508.9A CN202410858508A CN118455321A CN 118455321 A CN118455321 A CN 118455321A CN 202410858508 A CN202410858508 A CN 202410858508A CN 118455321 A CN118455321 A CN 118455321A
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CN
China
Prior art keywords
rollers
mounting
frame
driving assembly
mounting surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410858508.9A
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Chinese (zh)
Inventor
李志强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Hengyi Industry And Trade Co ltd
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Fujian Hengyi Industry And Trade Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian Hengyi Industry And Trade Co ltd filed Critical Fujian Hengyi Industry And Trade Co ltd
Priority to CN202410858508.9A priority Critical patent/CN118455321A/en
Publication of CN118455321A publication Critical patent/CN118455321A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/02Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003Positioning devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention relates to a welding pipe forming sizing mill, which comprises: the first mounting frame is provided with a mounting surface which is obliquely arranged relative to the horizontal plane; the rolling device comprises a second mounting frame, a first driving assembly, two first rollers and two second rollers, wherein the second mounting frame is arranged on the mounting surface, the first rollers and the second rollers are all rotationally connected to the first mounting frame, the central axes of the two first rollers are parallel to the mounting surface, the central axes of the two second rollers are perpendicular to the mounting surface, and the two first rollers and the two second rollers are matched and enclosed to form a forming space of a roll welded pipe; the first driving assembly is arranged on the mounting surface or the second mounting frame and drives the two first rollers to synchronously rotate, and the two first rollers are opposite in steering. The invention can roll the round tube into the rectangular tube more efficiently, can ensure that the welding seam is arranged at the corner position of the rectangular tube, ensures the strength of the rectangular tube, and ensures that the outer tube surface of the rectangular tube is not scratched easily, thereby having higher processing speed of the square tube.

Description

Welded pipe forming sizing mill
Technical Field
The invention relates to the technical field of pipe processing, in particular to a welding pipe forming sizing mill.
Background
At present, in rectangular pipe production, a round-change forming method is generally adopted for a thin-wall rectangular welded pipe, namely, a steel strip is firstly coiled into a round pipe, then welded, and then continuously rolled (in a gradual change form) into a rectangular pipe through a forming sizing mill. In order to ensure the welding quality and facilitate the assembly of the welding equipment, the welding is usually performed at the vertex of the round tube, i.e. the welding seam of the welded round tube on the production line is arranged upwards. In the past, if the weld joint is required to be arranged on a rectangular pipe at an angle, the rolling upper die and the rolling lower die can only be designed into concave surfaces, the linear speeds of all the points of the dies are inconsistent, the problem of speed difference exists, the surface of the welded pipe is easy to scratch in the production process, the pipe surface is easy to scratch when the length-width ratio is larger, the production speed is slower, and the quality and the production efficiency of a product are seriously influenced. In addition, the mold provided in the method has a large amount of mold steel used in the development and production process, and particularly has high cost in the development of rectangular pipes, and the mold has poor versatility and is difficult to be modified for other uses.
Disclosure of Invention
The invention aims to provide a welding pipe forming sizing mill which can roll a round pipe into a rectangular pipe more efficiently, can enable a welding line to be arranged at the corner position of the rectangular pipe, ensures the strength of the rectangular pipe, and ensures that the outer pipe surface of the rectangular pipe is not scratched easily, so that the processing speed of the square pipe is higher.
In order to achieve the above object, the present invention discloses a welding pipe forming sizing mill, comprising:
the first mounting frame is provided with a mounting surface which is obliquely arranged relative to the horizontal plane;
The rolling devices are sequentially arranged at intervals along the length direction of the mounting surface, each rolling device comprises a second mounting frame, a first driving assembly, two first rollers and two second rollers, each second mounting frame is arranged on the mounting surface, each first roller and each second roller are rotationally connected to the corresponding first mounting frame, the central shafts of the first rollers are parallel to the mounting surface, the central shafts of the second rollers are perpendicular to the mounting surface, and the two first rollers and the two second rollers are matched and encircled to form a forming space of the roll welded pipe; the first driving assembly is arranged on the mounting surface or the second mounting frame, the first driving assembly drives the two first rollers to synchronously rotate, and the two first rollers are opposite in steering.
Through the arrangement, the inclined mounting surface can enable the rolling device arranged on the inclined mounting surface to be inclined, so that the welding seam on the round welded pipe is arranged in the corner area at the top of the forming space, after the round pipe is rolled into the square pipe, the welding seam can be arranged in the corner area of the square pipe, and the strength of the square pipe is guaranteed. The two first rollers and the two second rollers are arranged to form a forming space of the roll-welded pipe, so that the long and short side linear speed difference on the rollers can be eliminated, the pipe surface of the welded pipe is not easy to scratch, the product quality is ensured, the advancing speed of the welded pipe can be higher, and the production efficiency is improved. In addition, because the rolling of the round pipe into the square pipe is a gradual change process, namely the diameters of the first roller and the second roller corresponding to each rolling device are different, each rolling device is independently driven, the speed of each rolling device acting on the welded pipe can be adjusted to be consistent, and the pipe surface of the welded pipe is further ensured to be difficult to scratch. In addition, the rolling device is inclined through the inclined mounting surface, and the design and the manufacture of the rolling device are relatively simple.
Preferably, the installation surface forms an included angle of 15-75 degrees with the horizontal surface. The device can be suitable for molding and preparing most of square pipes with different specifications, and the welding seams of the prepared square pipes are positioned in corner areas.
Preferably, the included angle between the mounting surface and the horizontal surface is 40-55 degrees. The arrangement can ensure that the welding seam is positioned in the corner area of the formed square tube, and can also consider the whole size of the equipment, especially the situation that the position of the rolling device is adjustable.
Preferably, the welding device further comprises a base and at least one second driving assembly, wherein the first mounting frame is connected to the base in a sliding manner, the sliding direction of the first mounting frame is in a horizontal direction, and the sliding direction of the first mounting frame is mutually perpendicular to the feeding direction of the welding pipe; the second driving assembly drives the first mounting frame to move;
The first mounting frame is provided with a sliding plate and at least one third driving assembly, the sliding plate is parallel to the mounting surface, the sliding plate is connected to the mounting surface in a sliding manner, the sliding direction of the sliding plate is the width direction of the mounting surface, and the third driving assembly drives the sliding plate to move; all the second mounting frames corresponding to the rolling devices are arranged on the sliding plate, and all the first driving assemblies corresponding to the rolling devices are arranged on the first mounting frames.
Through the arrangement, the die can be used for adaptively processing square pipes with different specifications, only different dies (the first roller and the second roller) are needed to be replaced, and the second driving assembly and the third driving assembly are matched to enable the forming space to be centered with a welding production line of a round pipe and a cutting line of the square pipe, so that the universality of the mounting frame of the die is improved, the improvement of the production line is facilitated, and the purchase cost of equipment is reduced.
Preferably, a first limiting piece for limiting the first mounting frame is arranged on the base, and the first limiting piece is detachably connected with the base; the mounting surface is provided with a second limiting part for limiting the sliding plate, and the second limiting part is detachably connected with the mounting surface. The stability of the first mounting frame can be ensured by arranging the first limiting piece; the stability of the sliding plate can be guaranteed by arranging the second limiting piece, and the load of the third driving assembly can be reduced. When the position of the rolling device needs to be adjusted, only the first limiting piece and the second limiting piece are required to be temporarily removed, and the rolling device is convenient to set.
Preferably, the second driving assembly and the third driving assembly are push rod motors. The second driving assembly and the third driving assembly are simpler in structure.
Preferably, the first driving assembly comprises a first motor, a transfer case and two universal joints, the transfer case is provided with an input end, a first output end and a second output end, the first motor is in transmission connection with the input end, the first output end is in transmission connection with one first roller wheel through one universal joint, and the second output end is in transmission connection with the other first roller wheel through the other universal joint. The first drive assembly thus provided ensures a power take-off and is also well adapted to the adjustment of the position of the rolling device.
Preferably, the first roller and the second roller are detachably connected with the second mounting frame; the first roller is detachably connected with the first driving assembly. This is provided to facilitate replacement of the first roller and the second roller.
Preferably, the second mounting frame is provided with a rotation shaft corresponding to the first rollers one by one, the rotation shaft is rotationally connected to the second mounting frame, the first driving assembly is detachably connected with the rotation shaft, the first rollers are detachably connected to the transmission shaft, and the first rollers and the transmission shaft synchronously rotate. The arrangement is favorable for changing different moulds, and the occupied area of the moulds is small, so that the moulds are favorable for storage.
Preferably, the second mounting frame is provided with adjusting assemblies in one-to-one correspondence with the second rollers, the adjusting assemblies comprise adjusting frames, adjusting screws and locking screws, and the second rollers are arranged on the adjusting frames in a rotating mode; the adjusting frame is provided with a slotted hole, the length direction of the slotted hole is parallel to the connecting line of the two second rollers, and the locking screw penetrates through the slotted hole and is connected with the second mounting frame through threads; the adjusting screw is arranged at a position, far away from the other adjusting frame, of the adjusting frame, the adjusting screw is in threaded connection with the second mounting frame, the length direction of the adjusting screw is parallel to the length direction of the oblong hole, and the adjusting screw is abutted to the adjusting frame. The size of the forming space can be conveniently adjusted by the arrangement, so that the required square tube size can be conveniently obtained.
The invention has the following beneficial effects:
According to the invention, the inclined mounting surface is arranged, so that the rolling device arranged on the inclined mounting surface is inclined, and the welding seam on the fed round welded pipe can be arranged in the corner area at the top of the forming space, and after the round pipe is rolled into the square pipe, the welding seam can be arranged in the corner area of the square pipe, so that the strength of the square pipe is ensured. The two first rollers and the two second rollers are arranged to form a forming space of the roll-welded pipe, so that the long and short side linear speed difference on the rollers can be eliminated, the pipe surface of the welded pipe is not easy to scratch, the product quality is ensured, the advancing speed of the welded pipe can be higher, and the production efficiency is improved. In addition, because the rolling of the round pipe into the square pipe is a gradual change process, namely the diameters of the first roller and the second roller corresponding to each rolling device are different, each rolling device is independently driven, the speed of each rolling device acting on the welded pipe can be adjusted to be consistent, and the pipe surface of the welded pipe is further ensured to be difficult to scratch. In addition, the rolling device is inclined through the inclined mounting surface, and the design and the manufacture of the rolling device are relatively simple.
Drawings
Fig. 1 is a top view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a side view of the second mount.
Fig. 4 is a schematic view of the installation of the second roller.
Main component symbol description:
A base 11, a first mounting frame 12, a second driving assembly 13, a mounting surface 14, a sliding plate 15 and a third driving assembly 16;
The rolling device 20, the second mounting frame 21, the first roller 22, the second roller 23, the rotating shaft 24, the adjusting frame 25, the adjusting screw 26, the locking screw 27, the oblong hole 28 and the quick-release spline connector 29; a first motor 31, a transfer case 32, and a universal joint 33.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent.
As shown in fig. 1 to 4, the present invention discloses a welding pipe forming sizing mill, which comprises: base 11, first mounting bracket 12, second drive assembly 13, sliding plate 15, third drive assembly 16 and roll-in device 20, first mounting bracket 12 sliding connection can set up the slide rail on base 11 to be equipped with on first mounting bracket 12 with slide rail sliding fit's slider, with guarantee the slip stability and the smoothness of first mounting bracket 12, the slip direction of first mounting bracket 12 and the feed direction mutually perpendicular of welded tube. The second driving component 13 is used for driving the first mounting frame 12 to move, the second driving component 13 can be a push rod motor, the size of the second driving component is small, the size of the machine is more reduced, of course, the second driving component 13 can also be a combination of the motor and a screw rod, the screw rod is rotationally connected on the base 11 and is parallel to the sliding rail, meanwhile, the screw rod is in threaded connection with the sliding block or the first mounting frame 12, and the motor drives the screw rod to rotate. In addition, the second driving assembly 13 may be provided with a plurality of groups to secure power. In order to improve the stability of first mounting bracket 12 and play the guard action to second drive assembly 13, can set up on base 11 and be used for carrying out spacing first locating part to first mounting bracket 12, for example through all setting up first locating part butt first mounting bracket 12 at the front and back both ends of first mounting bracket 12 direction of movement, can realize the ending position to first mounting bracket 12, first locating part can dismantle connection base 11, for example is equipped with the screw on base 11, first locating part passes through the screwed connection screw in order to realize connecting, when needs adjustment first mounting bracket 12 position, only need dismantle first locating part can.
The first mount 12 is provided with a mounting surface 14, and the mounting surface 14 is inclined with respect to the horizontal plane, preferably, the mounting surface 14 forms an angle a=15 to 75 °, and more preferably, a=40 to 55 °. The sliding plate 15 is slidably connected to the mounting surface 14, the sliding plate 15 is parallel to the mounting surface 14, the sliding plate 15 slides along the length direction of the mounting surface 14, and the sliding direction of the sliding plate 15 is perpendicular to the feeding direction of the welded pipe. The third driving assembly 16 is configured to drive the sliding plate 15 to move, and the connection relationship between the third driving assembly 16 and the sliding plate 15 may refer to the connection relationship between the second driving assembly 13 and the first mounting frame 12, which is not described herein. In order to improve stability of the sliding plate 15 and protect the third driving assembly 16, a second limiting member for limiting the sliding plate 15 is disposed on the mounting surface 14, the second limiting member is detachably connected to the mounting surface 14, and the matching relationship between the second limiting member and the mounting surface 14 and the sliding plate 15 can refer to the first limiting member, which is not described herein.
The rolling device 20 is provided with a plurality of sets, and the rolling device 20 is sequentially arranged at intervals along the length direction of the mounting surface 14 (the feeding direction of the welded pipe) so as to realize gradual rolling of the welded pipe, the rolling device 20 comprises a second mounting frame 21, a first driving assembly, two first rollers 22 and two second rollers 23, and the second mounting frame 21 is mounted on the sliding plate 15. The second mounting frame 21 is provided with rotating shafts 24 corresponding to the first rollers 22 one by one, the rotating shafts 24 are detachably and rotatably connected to the second mounting frame 21, the two rotating shafts 24 are parallel to the mounting surface 14, and the surface formed by the two rotating shafts 24 is perpendicular to the mounting surface 14. The first roller 22 is detachably connected to the transmission shaft, and the first roller 22 rotates synchronously with the transmission shaft, a gap is formed between the two first rollers 22 and the second roller 23, and the central axes of the two first rollers 22 are parallel to the mounting surface 14.
The second mounting frame 21 is further provided with adjusting components corresponding to the second rollers 23 one by one, each adjusting component comprises an adjusting frame 25, an adjusting screw 26 and a locking screw 27, and the second rollers 23 are detachably and rotatably connected to the adjusting frame 25. The adjusting frame 25 is provided with a long round hole 28, the length direction of the long round hole 28 is parallel to the connecting line of the two second rollers 23, the central axes of the two second rollers 23 are perpendicular to the mounting surface 14, and the central axes of the first roller 22 and the second roller 23 are on the same plane. The locking screw 27 passes through the oblong hole 28 and is connected with the second mounting frame 21 in a threaded manner. The adjusting screw 26 is arranged at a position where the adjusting frame 25 is far away from the other adjusting frame 25, the adjusting screw 26 is in threaded connection with the second mounting frame 21, the length direction of the adjusting screw 26 is parallel to the length direction of the oblong hole 28, and the adjusting screw 26 abuts against the adjusting frame 25. The size of the forming space can be conveniently adjusted by the arrangement, so that the required square tube size can be conveniently obtained. When the distance between the two second rollers 23 needs to be adjusted, the locking screw 27 is loosened, then the adjusting screw 26 is turned to adjust, and then the locking screw 27 is turned tightly, so that the operation is convenient.
The two first rollers 22 and the two second rollers 23 are matched to enclose a forming space of the roll welded pipe. In this case, the first roller 22 is a driving wheel, and the second roller 23 is a driven wheel. The first driving assembly is used for driving the two first rollers 22 to rotate synchronously, and the directions of the two first rollers 22 are opposite. Specifically, the first driving assembly includes a first motor 31, a transfer case 32 and two universal joints 33, the first motor 31 and the transfer case 32 are both installed on the installation surface 14, the transfer case 32 has an input end, a first output end and a second output end, the output shaft of the first motor 31 is in transmission connection with the input end, the first output end is in transmission connection with one of the rotating shafts 24 through one of the universal joints 33, the second output end is in transmission connection with the other rotating shaft 24 through the other universal joint 33, and the rotating shaft 24 is provided with a quick-release spline connector 29 so as to realize quick assembly and disassembly with the universal joint 33. The first driving assembly thus provided ensures power output and is well adapted to the position adjustment of the rolling device 20, and the weight of most parts of the first driving assembly is not applied to the slide plate 15, so that the load of the third driving assembly 16 can be reduced. Of course, the first driving unit may be disposed on the sliding plate 15 in case that the power of the third driving unit 16 is sufficient.
After the steel strip is formed into a circular tube and welded, the welded circular tube enters the welding tube forming sizing mill, and the welding seam on the circular tube is positioned at the vertex of the circular tube. In the invention, the inclined mounting surface 14 can enable the rolling device 20 arranged on the circular welding pipe to be inclined, so that when the circular welding pipe enters a forming space, the welding seam is just positioned in the corner area at the top of the forming space, and after the circular pipe is rolled into a square pipe, the welding seam can be positioned in the corner area of the square pipe, thereby ensuring the strength of the square pipe. The forming space of the roll-welded pipe is formed by arranging the two first rollers 22 and the two second rollers 23, the long and short side linear speed difference on the rollers can be eliminated, the pipe surface of the welded pipe is not easy to scratch, the product quality is ensured, the advancing speed of the welded pipe can be faster, and the production efficiency is improved. In addition, because the rolling of the round tube into the square tube is a gradual change process, that is, the diameters of the first roller 22 and the second roller 23 corresponding to each rolling device 20 are different, each rolling device 20 is independently driven in the invention, the speed of each rolling device 20 acting on the welded tube can be adjusted to be consistent, and the tube surface of the welded tube is further ensured to be not scratched easily. In addition, the roll device 20 is inclined by the inclined mounting surface 14, and the roll device 20 is relatively simple in design and manufacture.
When different rolling dies (the first roller 22 and the second roller 23) are replaced, the shape of the forming space can be changed, the position of the rolling device 20 can be adjusted through the cooperation of the second driving assembly 13 and the third driving assembly 16, so that the forming space can be centered with a welding production line of a round pipe and a cutting line of a square pipe, further, the die can be adapted to process square pipes with different specifications, the universality of the mounting frame of the die is improved, the product line transformation is facilitated, and the purchase cost of equipment is reduced.
For example, a cross-sectional aspect ratio of 1:1, a=45°, it is entirely possible to place the weld on the corners of the square tube, whereas if a section aspect ratio of 1.2 is prepared: 1, a=45°, the second drive assembly 13 and the third drive assembly 16 need to be adjusted so that the aspect ratio is 1.2: and 1, the lowest point and the central line of the forming space can correspond to the round pipe, the welded pipe is ensured to be processable, and the welding seam is positioned at a position close to the corner of the square pipe. The invention is preferably designed to have a=40 to 55 °, so that the weld seam can be ensured to be positioned at the corner area of the formed square tube, and the overall size and structural stability of the device can be considered, for example, the smaller a is, the larger the adjusting amplitude of the second driving assembly 13 and the third driving assembly is, so that the occupied area of the machine is increased, and the larger a is, the device on the mounting surface 14 is less easy to support, and the stability of the structure is not facilitated.
Of course, the rolling device 20 may be directly mounted on the mounting surface 14 without providing the sliding plate 15, and the base 11 may be omitted, which is suitable for producing a single product.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.

Claims (10)

1. A welding pipe forming sizer, comprising:
the first mounting frame is provided with a mounting surface which is obliquely arranged relative to the horizontal plane;
The rolling devices are sequentially arranged at intervals along the length direction of the mounting surface, each rolling device comprises a second mounting frame, a first driving assembly, two first rollers and two second rollers, each second mounting frame is arranged on the mounting surface, each first roller and each second roller are rotationally connected to the corresponding first mounting frame, the central shafts of the first rollers are parallel to the mounting surface, the central shafts of the second rollers are perpendicular to the mounting surface, and the two first rollers and the two second rollers are matched and encircled to form a forming space of the roll welded pipe; the first driving assembly is arranged on the mounting surface or the second mounting frame, the first driving assembly drives the two first rollers to synchronously rotate, and the two first rollers are opposite in steering.
2. The welding pipe forming sizer of claim 1, wherein: the included angle between the installation surface and the horizontal surface is 15-75 degrees.
3. The welding pipe forming sizer of claim 2, wherein: the included angle between the installation surface and the horizontal surface is 40-55 degrees.
4. The welding pipe forming sizer of claim 1, wherein: the welding device comprises a welding pipe, a first installation frame, a second installation frame, a base and at least one second driving assembly, wherein the first installation frame is connected to the base in a sliding mode, the sliding direction of the first installation frame is in a horizontal direction, and the sliding direction of the first installation frame is perpendicular to the feeding direction of the welding pipe; the second driving assembly drives the first mounting frame to move;
The first mounting frame is provided with a sliding plate and at least one third driving assembly, the sliding plate is parallel to the mounting surface, the sliding plate is connected to the mounting surface in a sliding manner, the sliding direction of the sliding plate is the width direction of the mounting surface, and the third driving assembly drives the sliding plate to move; all the second mounting frames corresponding to the rolling devices are arranged on the sliding plate, and all the first driving assemblies corresponding to the rolling devices are arranged on the first mounting frames.
5. The welding pipe forming sizer of claim 4, wherein: the base is provided with a first limiting part for limiting the first installation frame, and the first limiting part is detachably connected with the base; the mounting surface is provided with a second limiting part for limiting the sliding plate, and the second limiting part is detachably connected with the mounting surface.
6. The welding pipe forming sizer of claim 4, wherein: the second driving assembly and the third driving assembly are push rod motors.
7. A welding pipe forming sizer according to claim 1 or 4, wherein: the first driving assembly comprises a first motor, a transfer case and two universal joints, the transfer case is provided with an input end, a first output end and a second output end, the first motor is in transmission connection with the input end, the first output end is in transmission connection with one first roller wheel through one universal joint, and the second output end is in transmission connection with the other first roller wheel through the other universal joint.
8. The welding pipe forming sizer of claim 1, wherein: the first roller and the second roller are detachably connected with the second mounting frame; the first roller is detachably connected with the first driving assembly.
9. The welding pipe forming sizer of claim 8, wherein: be equipped with the axis of rotation with first running roller one-to-one on the second mounting bracket, the axis of rotation rotates to be connected on the second mounting bracket, first drive assembly can dismantle with the axis of rotation and be connected, first running roller can dismantle and connect on the transmission shaft, just first running roller and transmission shaft synchronous rotation.
10. The welding pipe forming sizer of claim 8, wherein: the second installation frame is provided with adjusting assemblies which are in one-to-one correspondence with the second rollers, each adjusting assembly comprises an adjusting frame, an adjusting screw and a locking screw, and the second rollers are arranged on the adjusting frame in a rotating mode; the adjusting frame is provided with a slotted hole, the length direction of the slotted hole is parallel to the connecting line of the two second rollers, and the locking screw penetrates through the slotted hole and is connected with the second mounting frame through threads; the adjusting screw is arranged at a position, far away from the other adjusting frame, of the adjusting frame, the adjusting screw is in threaded connection with the second mounting frame, the length direction of the adjusting screw is parallel to the length direction of the oblong hole, and the adjusting screw is abutted to the adjusting frame.
CN202410858508.9A 2024-06-28 2024-06-28 Welded pipe forming sizing mill Pending CN118455321A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410858508.9A CN118455321A (en) 2024-06-28 2024-06-28 Welded pipe forming sizing mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410858508.9A CN118455321A (en) 2024-06-28 2024-06-28 Welded pipe forming sizing mill

Publications (1)

Publication Number Publication Date
CN118455321A true CN118455321A (en) 2024-08-09

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ID=92170765

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410858508.9A Pending CN118455321A (en) 2024-06-28 2024-06-28 Welded pipe forming sizing mill

Country Status (1)

Country Link
CN (1) CN118455321A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119734045A (en) * 2024-12-31 2025-04-01 张家港市中悦冶金设备科技有限公司 Method for manufacturing welded square tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119734045A (en) * 2024-12-31 2025-04-01 张家港市中悦冶金设备科技有限公司 Method for manufacturing welded square tube

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