CN220197461U - Clamping device for special-shaped pipe - Google Patents
Clamping device for special-shaped pipe Download PDFInfo
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- CN220197461U CN220197461U CN202321681530.8U CN202321681530U CN220197461U CN 220197461 U CN220197461 U CN 220197461U CN 202321681530 U CN202321681530 U CN 202321681530U CN 220197461 U CN220197461 U CN 220197461U
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- ring portion
- sliding
- clamping assembly
- rod
- clamping
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- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000003754 machining Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses a clamping device for a special pipe, which belongs to the technical field of machining of special pipes and comprises a workbench, a fixing assembly and a clamping assembly, wherein a through groove is formed in the workbench, a first annular part and a second annular part of the fixing assembly are respectively positioned at two sides of the through groove, the clamping assembly is connected between the first annular part and the second annular part in a sliding manner, the clamping assembly rotates around the center of the first annular part and the center of the second annular part, the clamping assembly can be fixedly connected with the first annular part and the second annular part, and a telescopic rod of the clamping assembly adjusts the lifting of a roller so that the roller is pressed on the surface of a workpiece. The utility model can clamp different shaped tubes, and has wider application range.
Description
Technical Field
The utility model belongs to the technical field of special-shaped tube processing, and particularly relates to a clamping device for a special-shaped tube.
Background
The deformed seamless steel pipe is a generic term for seamless steel pipes having other cross-sectional shapes than round pipes. Compared with a round tube, the special tube generally has larger moment of inertia and section modulus, has larger bending resistance and torsion resistance, can greatly reduce the structural weight, saves steel, and needs to be clamped before being processed.
At present, four manual adjustment sliding tables are arranged on a turntable of a four-jaw chuck, rollers are arranged at the front end of each sliding table, the four-jaw chuck is equivalent to four-jaw manual adjustment rollers, when a workpiece is clamped, each adjustment roller independently adjusts the distance from the workpiece until the surface of the roller contacts with the surface of the workpiece and is tightly pressed, in the clamping process, the position of each sliding table cannot be moved, the angles of the adjacent side surfaces of the workpiece clamped by two adjacent rollers are fixed, the workpiece of the special pipe with different central angles cannot be clamped well, the workpiece surface cannot be pressed continuously well, and the phenomenon that the workpiece is unstable in clamping and easy to fall off is likely.
Disclosure of Invention
The utility model aims to provide a clamping device for a special pipe, which solves the problems that when a four-jaw chuck clamps a workpiece, each adjusting roller independently adjusts the distance from the workpiece until the surface of the roller contacts with the surface of the workpiece and is pressed, in the clamping process, the position of a sliding table cannot be moved, the angles of the adjacent side surfaces of the workpiece clamped by two adjacent rollers are fixed, the special pipe workpiece with different central angles cannot be clamped well, the workpiece cannot be pressed to the surface of the workpiece continuously well, the clamping is unstable, and the workpiece is easy to fall off.
The utility model provides a clamping device for mechanical tubes, includes workstation, fixed subassembly and clamping assembly, it has logical groove just to open on the workstation the ring portion of fixed subassembly and ring portion respectively are located the both sides of logical groove, sliding connection has between ring portion one and the ring portion two clamping assembly, clamping assembly winds ring portion one and the second centre of a circle of ring portion rotate just clamping assembly can with ring portion one and the second fixed connection of ring portion, clamping assembly's telescopic link regulating roller goes up and down so that the gyro wheel is pressed at the work piece surface.
Preferably, one side of the first circular ring part and one side of the second circular ring part, which are opposite, extend into the through groove and the through groove is equal in width with the sliding part of the clamping assembly, the outer circumferential side surfaces of the first circular ring part and the second circular ring part are provided with annular grooves along the circumferential direction of the first circular ring part and the second circular ring part, the cross section of each annular groove is of a T-shaped structure, the T-shaped blocks are connected in the annular grooves in a sliding manner, the vertical ends of the T-shaped blocks penetrate out of the corners of the sliding part upwards, and the vertical parts of the T-shaped blocks are provided with locking blocks through threaded engagement.
Preferably, the clamping assembly comprises a template, the radius of the first ring part is equal to that of the second ring part, a sliding gap is reserved between the first ring part and the second ring part, the sliding part is connected with the sliding part in a sliding manner in the sliding gap, the sliding part is of an I-shaped structure, the telescopic rod penetrates through the middle part of the sliding part, the bottom of the telescopic rod is fixedly connected with a template positioned in the first ring part and the second ring part, the roller is connected between the two sides of the template in a rotating manner, and the roller is pressed on the side surface of the special pipe.
Preferably, the telescopic link includes dead lever, movable rod, slide bar, slide hole and lock nut, the dead lever is fixed the top of sliding part, the inside cavity of dead lever just the sliding part open have with the vertical through hole of the inside intercommunication of dead lever, the movable rod peg graft in the dead lever, the surface of dead lever is opened along its direction of height has the slide hole, one side fixedly connected with of movable rod with slide bar of slide hole sliding connection, the surface of movable rod has lock nut through threaded engagement.
Preferably, a plurality of clamping assemblies are connected between the first annular part and the second annular part in a sliding manner.
The utility model has the following advantages:
the clamping assembly is arranged on the first annular part and the second annular part, the clamping assembly rotates around the first annular part and the second annular part, and can be fixed at any position of the first annular part and the second annular part through the T-shaped block and the locking nut, so that the clamping assembly can be vertically aligned with any side surface of the special pipe, the side surface of the special pipe can be clamped stably, the telescopic rod of the clamping assembly can adjust the roller to lift so as to enable the roller to press on the surface of a workpiece, the roller can be driven by the telescopic rod to press on the surface of the special pipe with different sizes, the applicability is higher, the roller is pressed on the surface of the workpiece, and when the workpiece moves, the roller also rotates, the feeding of other working procedures of the workpiece is facilitated.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a schematic view of a clamping assembly according to the present utility model;
fig. 4 is a graph of a first ring portion of the present utility model.
Wherein: 1. a work table; 10. a through groove;
2. a fixing assembly; 20. a first circular ring part; 21. a second circular ring part; 22. an annular groove; 23. a T-shaped block; 24. a locking block;
3. a clamping assembly; 30. a sliding part; 31. a telescopic rod; 32. a fixed rod; 33. a movable rod; 34. a slide hole; 35. a slide bar; 36. a lock nut; 37. templates; 38. and a roller.
Detailed Description
The following detailed description of the embodiments of the utility model, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate, and thorough understanding of the inventive concepts and aspects of the utility model by those skilled in the art.
The clamping device for the special pipe comprises a workbench 1, a fixing assembly 2 and a clamping assembly 3, wherein a through groove 10 is formed in the workbench 1, a first annular part 20 and a second annular part 21 of the fixing assembly 2 are respectively located on two sides of the through groove 10, the clamping assembly 3 is connected between the first annular part 20 and the second annular part 21 in a sliding mode, the clamping assembly 3 rotates around the circle centers of the first annular part 20 and the second annular part 21, the clamping assembly 3 can be fixedly connected with the first annular part 20 and the second annular part 21, and a telescopic rod 31 of the clamping assembly 3 regulates a roller 38 to be lifted so that the roller 38 is pressed on the surface of a workpiece.
The opposite sides of the first ring part 20 and the second ring part 21 extend into the through groove 10, the through groove 10 is equal in width with the sliding part 30 of the clamping assembly 3, the circumferential side surfaces of the first ring part 20 and the second ring part 21 are provided with annular grooves 22 along the circumferential direction, the cross sections of the annular grooves 22 are of T-shaped structures, the T-shaped blocks 23 are connected in the annular grooves 22 in a sliding manner, the vertical ends of the T-shaped blocks 23 penetrate out of the corners of the sliding part 30 upwards, and the vertical parts of the T-shaped blocks 23 are engaged with locking blocks 24 through threads.
The first ring part 20 and the second ring part 21 are fixed on the workbench 1, the bottoms of the first ring part 20 and the second ring part 21 are embedded on the workbench 1, so that when the opposite sides of the first ring part 20 and the second ring part 21 extend into the through groove 10, the arc bottoms of the first ring part 20 and the second ring part 21 can be positioned in the through groove 10, when the sliding part 30 rotates around the first ring part 20 and the second ring part 21, as the sliding part 30 is equal in width to the through groove 10, the outer surfaces of the first ring part 30 and the second ring part are in full contact, when the special pipe needs to be clamped, the sliding part 30 is firstly driven to rotate, the clamping assembly 3 can be aligned and perpendicular to the side surface of the special pipe, at the moment, the T-shaped block 23 moves along with the sliding part 30 and rotates around the annular groove 22, after the T-shaped block 23 is locked by the locking block 24, and then any position of the sliding part 30 is adjustable by clamping the sliding part 30 between the first ring part 20 and the second ring part 21 and the locking block 24, and the T-shaped block 22 is in a cross section structure, and the T-shaped block 23 is not positioned in the annular groove 22, so that the whole clamping assembly is kept in the horizontal annular groove 22, and the clamping assembly is not in the annular groove 3.
The clamping assembly 3 comprises a template 37, the radiuses of the first ring part 20 and the second ring part 21 are equal, a sliding gap is reserved between the first ring part 20 and the second ring part 21, the sliding part 30 is connected in a sliding manner in the sliding gap, the sliding part 30 is of an I-shaped structure, the telescopic rod 31 penetrates through the middle part of the sliding part 30, the bottom of the telescopic rod 31 is fixedly connected with a template 37 positioned in the first ring part 20 and the second ring part 21, the two sides of the template 37 are connected with rollers 38 in a rotating manner, and the rollers 38 are pressed on the side surfaces of the special-shaped pipes. The telescopic rod 31 comprises a fixed rod 32, a movable rod 33, a sliding rod 35, a sliding hole 34 and a locking nut 36, wherein the fixed rod 32 is fixed at the top of the sliding part 30, the inside of the fixed rod 32 is hollow, the sliding part 30 is provided with a vertical through hole communicated with the inside of the fixed rod 32, the movable rod 33 is inserted into the fixed rod 32, the surface of the fixed rod 32 is provided with the sliding hole 34 along the height direction, one side of the movable rod 33 is fixedly connected with the sliding rod 35 which is in sliding connection with the sliding hole 34, and the surface of the movable rod 33 is provided with the locking nut 36 through threaded engagement.
After the clamping assembly 3 is fixed, the position of the movable rod 33 is adjusted, the top end of the movable rod 33 passes through the through hole in the middle of the sliding part 30 and is inserted into the fixed rod 32, the hand-held sliding rod 35 can drive the movable rod 33 to move upwards or downwards, the bottom end of the movable rod 33 extends into the first annular part 20 and the second annular part 21, when the special pipe is clamped, the locking nut 36 is loosened at first, the movable rod 33 is driven to move upwards or downwards until the roller 38 at the bottom of the template 37 can be vertically pressed on the side surface of the special pipe, the locking nut 36 is rotated finally, the sliding rod 35 is locked, so that the special pipes with different sizes can be adapted, a plurality of clamping assemblies 3 are slidably connected between the first annular part 20 and the second annular part 21, the arrangement of the clamping assemblies 3 can be determined according to the number of the side surfaces of the special pipe, and the special pipe with a plurality of side surfaces can be clamped, and the applicability is wider.
Working principle: the first ring part 20 and the second ring part 21 are fixed on the workbench 1, the bottoms of the first ring part 20 and the second ring part 21 are embedded on the workbench 1, so when the opposite sides of the first ring part 20 and the second ring part 21 extend into the through groove 10, the arc bottoms of the first ring part 20 and the second ring part 21 can be positioned in the through groove 10, when the sliding part 30 rotates around the first ring part 20 and the second ring part 21, the sliding part 30 is in full contact with the outer surfaces of the first ring part and the second ring part because the sliding part 30 is equal in width with the through groove 10, when the special pipe needs to be clamped, the sliding part 30 is firstly driven to rotate, the clamping assembly 3 can be aligned and perpendicular to the side surface of the special pipe, the T-shaped block 23 moves along with the sliding part 30 at the moment and rotates around the annular groove 22, after the position is reached, the T-shaped block 23 is locked by the locking block 24, and then the sliding part 30 is clamped between the first ring part 20 and the second ring part 21 and the locking block 24, realizing that any position of the sliding part 30 is adjustable, the cross section of the annular groove 22 is in a T-shaped structure, the horizontal part of the T-shaped block 23 is positioned in the annular groove 22 and cannot deviate from the annular groove 22, so that the whole clamping assembly 3 keeps a fixed position, after the clamping assembly 3 is fixed, the position of the movable rod 33 is adjusted, the top end of the movable rod 33 passes through a through hole in the middle of the sliding part 30 and is inserted into the fixed rod 32, the movable rod 33 can be driven to move up or down by holding the slide rod 35, the bottom end of the movable rod 33 extends into the first annular part 20 and the second annular part 21, when the special pipe is clamped, the locking nut 36 is firstly loosened, the movable rod 33 is driven to move up or down until the roller 38 at the bottom of the type plate 37 can be vertically pressed on the side surface of the special pipe, and finally the locking nut 36 is rotated to lock the slide rod 35, so that the special pipes with different sizes can be adapted, a plurality of clamping assemblies 3 are slidably connected between the first annular part 20 and the second annular part 21, the arrangement of the clamping assemblies 3 can be determined according to the number of the side faces of the special-shaped tube, and therefore the special-shaped tube with a plurality of side faces can be clamped, and the applicability is wider.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied to other applications without modification, as long as various insubstantial modifications of the inventive concept and technical solutions are adopted, all within the scope of the utility model.
Claims (5)
1. A clamping device for special pipes, which is characterized in that: including workstation (1), fixed subassembly (2) and clamping assembly (3), it has logical groove (10) just to open on workstation (1) ring portion one (20) and ring portion two (21) of fixed subassembly (2) are located the both sides of logical groove (10) respectively, sliding connection has between ring portion one (20) and ring portion two (21) clamping assembly (3), clamping assembly (3) are around ring portion one (20) and ring portion two (21) centre of a circle rotate just clamping assembly (3) can with ring portion one (20) and ring portion two (21) fixed connection, telescopic link (31) of clamping assembly (3) adjust gyro wheel (38) and go up and down so that gyro wheel (38) are pressed at the work piece surface.
2. A clamping device for a pipe according to claim 1, characterized in that: the utility model discloses a clamping assembly, including clamping assembly, ring portion, clamping assembly, locking block, T-shaped structure, T-shaped block, locking block, etc. one side that ring portion (20) and ring portion two (21) are opposite all extends to in logical groove (10) just logical groove (10) with sliding part (30) equiwidth of clamping assembly (3), the outer circumference side of ring portion one (20) and ring portion two (21) is opened along its circumferencial direction has ring channel (22) just the cross-section of ring channel (22) is T type structure, sliding connection has T-shaped block (23) just the vertical end of T-shaped block (23) upwards wears out the corner of sliding part (30), the vertical portion of T-shaped block (23) has locking block (24) through threaded engagement.
3. A clamping device for a pipe according to claim 2, characterized in that: clamping assembly (3) are including template (37), the radius of ring portion one (20) and ring portion two (21) equals, leave between ring portion one (20) and ring portion two (21) slip clearance just sliding connection has in the slip clearance sliding part (30), sliding part (30) are the I-type structure, telescopic link (31) run through the middle part of sliding part (30) just telescopic link (31) bottom fixedly connected with be located ring portion one (20) and ring portion two (21) template (37) just it is connected with to rotate between the both sides of template (37) gyro wheel (38), gyro wheel (38) are pressed in the side of special-shaped pipe.
4. A tube gripping device as claimed in claim 3, wherein: the telescopic rod (31) comprises a fixed rod (32), a movable rod (33), a sliding rod (35), a sliding hole (34) and a locking nut (36), wherein the fixed rod (32) is fixed at the top of the sliding part (30), the inside of the fixed rod (32) is hollow, the sliding part (30) is provided with a vertical through hole communicated with the inside of the fixed rod (32), the movable rod (33) is inserted into the fixed rod (32), the sliding hole (34) is formed in the surface of the fixed rod (32) along the height direction of the surface of the fixed rod, one side of the movable rod (33) is fixedly connected with the sliding rod (35) which is in sliding connection with the sliding hole (34), and the locking nut (36) is engaged with the surface of the movable rod (33) through threads.
5. A clamping device for a pipe according to claim 1, characterized in that: a plurality of clamping assemblies (3) are connected between the first annular part (20) and the second annular part (21) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321681530.8U CN220197461U (en) | 2023-06-29 | 2023-06-29 | Clamping device for special-shaped pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321681530.8U CN220197461U (en) | 2023-06-29 | 2023-06-29 | Clamping device for special-shaped pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220197461U true CN220197461U (en) | 2023-12-19 |
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ID=89146341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321681530.8U Active CN220197461U (en) | 2023-06-29 | 2023-06-29 | Clamping device for special-shaped pipe |
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| Country | Link |
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| CN (1) | CN220197461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117655960A (en) * | 2024-01-31 | 2024-03-08 | 西安钧诚精密制造有限公司 | Self-adaptive clamping device for special-shaped workpiece |
-
2023
- 2023-06-29 CN CN202321681530.8U patent/CN220197461U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117655960A (en) * | 2024-01-31 | 2024-03-08 | 西安钧诚精密制造有限公司 | Self-adaptive clamping device for special-shaped workpiece |
| CN117655960B (en) * | 2024-01-31 | 2024-04-16 | 西安钧诚精密制造有限公司 | Self-adaptive clamping device for special-shaped workpiece |
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