CN113210995A - Circular workpiece clamp for welding - Google Patents
Circular workpiece clamp for welding Download PDFInfo
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- CN113210995A CN113210995A CN202110397946.6A CN202110397946A CN113210995A CN 113210995 A CN113210995 A CN 113210995A CN 202110397946 A CN202110397946 A CN 202110397946A CN 113210995 A CN113210995 A CN 113210995A
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- rods
- rubber
- rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a circular workpiece clamp for welding, which comprises a bottom plate, wherein a fixed box is arranged at the center of the top of the bottom plate, the inside of the fixed box is provided with a clamping mechanism, the front end and the rear end of the fixed box are both provided with a placing mechanism, the clamping mechanism comprises a handle, a moving block, a sucker mechanism, a clamping rod, a first sliding groove and a threaded rod, the threaded rod penetrates through the center of the fixed box, the top of the threaded rod is fixedly connected with a handle, the invention clamps the round workpiece through the arc frame, the arc frame can be contracted to adapt to the size of the round workpiece, the sliding block is contacted with the inner wall of the second sliding groove of the clamping rod, so that when the two clamping rods are contracted, the sliding block is contracted, so that the arc frame is pushed inwards by the connecting rod, and the arc frame has clamping force.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a circular workpiece clamp for welding.
Background
Welding is a non-detachable connection method, which is a method for realizing material connection of workpieces under the action of heating or pressurization or under the combined action of heating and pressurization, materials are generally melted and/or plastically deformed at a connection area, and the welding can be classified into the method according to DN1910-1 when the heating method is adopted for melting welding; when the pressure welding adopts pressurization or the combined action of pressurization and heating;
the welding process is widely used at present, a welding process is needed for connection of ship building, pipeline welding, workpiece connection and the like, when a round workpiece is welded, the workpiece needs to be clamped, otherwise poor welding is easily caused by rolling, and manual fixing is troublesome, so that the round workpiece clamp for welding is provided.
Disclosure of Invention
The invention aims to provide a circular workpiece clamp for welding, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a circular workpiece clamp for welding comprises a bottom plate, wherein a fixed box is arranged at the center of the top of the bottom plate, a clamping mechanism is arranged inside the fixed box, and placing mechanisms are arranged at the front end and the rear end of the fixed box;
the clamping mechanism comprises a handle, a moving block, two sucking disc mechanisms, two clamping rods, a first sliding groove and a threaded rod, the threaded rod penetrates through the center of the fixed box, the handle is fixedly connected to the top of the threaded rod, the two clamping rods are movably connected with the left top and the right top of the fixed box through bearings, the top of the moving block is rotatably connected with the bottom of the threaded rod through the bearings, the first sliding grooves are formed in the surfaces of the two clamping rods, the left end and the right end of the moving block are in contact with the first sliding grooves, and the sucking disc mechanisms are arranged at the bottoms of the ends, close to each other, of the two clamping rods.
Preferably, the movable block includes connecting rod, circular arc frame, rubber circular arc pad, spout two, sliding block and cushion mechanism, the one end that the threaded rod was kept away from to the movable block is provided with the circular arc frame, the quantity of circular arc frame has two, two bearing swing joint is passed through to the one end that the circular arc frame is close to each other, two spout two, two have all been seted up to the one end that the clamping rod is close to each other the bottom of circular arc frame all bonds and has had rubber circular arc pad, two the bottom of rubber circular arc pad is provided with cushion mechanism, two the equal fixedly connected with connecting rod in one end bottom that the circular arc frame was kept away from each other, two the equal fixedly connected with sliding block in one end that the connecting rod was kept away from each other, two spout two sets up the inside at two sliding blocks.
Preferably, the cushion block mechanism comprises an arc rubber base, a groove and a protruding rubber block, the rubber arc cushion is provided with the groove, the arc rubber base is arranged inside the groove, the protruding rubber block is arranged outside the groove and extends into the groove, and one end, close to the arc rubber base, of the protruding rubber block is bonded.
Preferably, the sliding block includes shell fragment, telescopic link, dead lever and gyro wheel, the left side inner wall fixed connection of shell fragment and sliding block, the quantity of shell fragment has two, two the inside of shell fragment is provided with the telescopic link, the left side inner wall fixed connection of telescopic link and sliding block, the inside of sliding block is provided with the dead lever, telescopic link and two shell fragments all with dead lever fixed connection, the one end that the telescopic link was kept away from to the dead lever is provided with the gyro wheel.
Preferably, the sucking disc mechanism includes straight-bar, fixed frame, rocker, movable rod, lifter, rubber pole and rubber suction cup, fixed frame and clamping rod fixed connection, the inner wall bottom fixed connection of straight-bar and fixed frame, the quantity of rocker has two, two the rocker all through bearing and fixed frame control both ends swing joint, two the bottom of rocker all has the movable rod through bearing swing joint, and the one end that two movable rods are close to each other all has the lifter through bearing swing joint, the lifter sets up the inside at the straight-bar, the top fixed connection of rubber suction cup and straight-bar, the rubber pole sets up the inner wall contact at the inside of rubber suction cup and rubber suction cup, the top and the rubber pole fixed connection of lifter.
Preferably, the placing mechanism comprises a placing block, a bent rod, a bent pad, an inclined rod, a spring, a third sliding groove and a bottom rod, the placing block is fixedly connected with the top of the bottom plate, the number of the bent rods is two, the ends, close to each other, of the two bent rods are movably connected through a bearing, the top parts of the two bent rods are respectively bonded with a bent pad, the bottoms of the two bent rods are respectively contacted with the left inner wall and the right inner wall of the placing block, the bottoms of the ends, close to each other, of the two bent rods are respectively movably connected with an inclined rod through a bearing, the bottom rod is fixedly connected with the left inner wall and the right inner wall of the placing block, two sliding grooves III are respectively arranged at two ends of the bottom rod, the two inclined rods are respectively contacted with the inner walls of the two sliding grooves III, the quantity of spring has two the spring all with place the piece about inner wall fixed connection, two the spring is kept away from the one end of placing the piece all with the bottom fixed connection of two down tube.
Compared with the prior art, the invention has the beneficial effects that:
1. the circular workpiece is clamped through the circular arc frame, the circular arc frame is arranged to be capable of contracting to adapt to the size of the circular workpiece, the sliding blocks are contacted with the inner walls of the sliding grooves II of the clamping rods, so that the sliding blocks are contracted when the two clamping rods contract, the connecting rods push the circular arc frame inwards, and the circular arc frame has clamping force.
2. According to the invention, the sucker mechanism is arranged, when a workpiece extrudes the rocker, the workpiece can be contacted with the rubber sucker, when the rocker descends, the rubber rod can be pulled downwards, and when the rubber rod is pulled downwards, the suction force in the rubber sucker can be enhanced, so that the rubber sucker is convenient to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the clamping mechanism of the present invention;
FIG. 3 is a schematic sectional front view of the moving block of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3 according to the present invention;
FIG. 5 is a front cross-sectional structural view of the slider of the present invention;
FIG. 6 is a front cross-sectional structural view of the suction cup mechanism of the present invention;
fig. 7 is a front sectional structural schematic view of the placing block of the invention.
In the figure: the clamping mechanism 1, the handle 11, the moving block 12, the connecting rod 121, the arc frame 122, the rubber arc pad 123, the second sliding groove 124, the sliding block 125, the elastic sheet c1, the telescopic rod c2, the fixed rod c3, the roller c4, the cushion block mechanism 126, the arc rubber base a1, the groove a2, the protruding rubber block a3, the suction cup mechanism 13, the bottom rod 131, the fixed frame 132, the rocker 133, the movable rod 134, the lifting rod 135, the rubber rod 136, the rubber suction cup 137, the clamping rod 14, the first sliding groove 15, the threaded rod 16, the placing mechanism 2, the placing block 20, the bent rod 21, the bent pad 22, the inclined rod 23, the spring 24, the third sliding groove 25, the bottom rod 26, the fixed box 3 and the bottom plate 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1;
please refer to fig. 1-5;
the invention provides a technical scheme that: a circular workpiece clamp for welding comprises a bottom plate 4, a fixed box 3 is arranged at the center of the top of the bottom plate 4, a clamping mechanism 1 is arranged inside the fixed box 3, placing mechanisms 2 are arranged at the front end and the rear end of the fixed box 3, the clamping mechanism 1 comprises a handle 11, a moving block 12, a sucker mechanism 13, clamping rods 14, a first sliding groove 15 and a threaded rod 16, the threaded rod 16 penetrates through the center of the fixed box 3, the handle 11 is fixedly connected to the top of the threaded rod 16, the number of the clamping rods 14 is two, the two clamping rods 14 are movably connected with the left top and the right top of the fixed box 3 through bearings, the top of the moving block 12 is rotatably connected with the bottom of the threaded rod 16 through bearings, the first sliding grooves 15 are formed in the surfaces of the two clamping rods 14, the left end and the right end of the moving block 12 are both contacted with the first sliding grooves 15, the sucker mechanisms 13 are arranged at the bottoms of the ends, which are close to each other, of the two clamping rods 14, threaded connection when passing through threaded rod 16 and fixed block 11 can remove and fix moving block 12, makes moving block 12 have the fixity to two clamping rod 14 through having set up spout one 15, makes moving block 12 have the contractility to two clamping rod 14 through the inclination of spout one 15, and performance is strong.
The moving block 12 comprises a connecting rod 121, two arc frames 122, two rubber arc pads 123, two sliding grooves 124, a sliding block 125 and a cushion block mechanism 126, wherein the end of the moving block 12 away from the threaded rod 16 is provided with the arc frames 122, the two arc frames 122 are provided with two numbers, the ends, close to each other, of the two arc frames 122 are movably connected through a bearing, the two sliding grooves 124 are respectively arranged at the ends, close to each other, of the two clamping rods 14, the rubber arc pads 123 are respectively bonded at the bottoms of the two arc frames 122, the cushion block mechanism 126 is arranged at the bottom of the two rubber arc pads 123, the connecting rod 121 is respectively and fixedly connected at the bottom of the end, far away from each other, of the two connecting rods 121, the sliding block 125 is respectively and the two sliding grooves 124 are arranged inside the two sliding blocks 125, the circular workpiece is clamped through the arc frames 122, the arc frames 122 are arranged to be capable of contracting so as to be suitable for the size of the circular workpiece, the sliding block 125 is in contact with the inner wall of the second sliding groove 124 of the clamping rod 14, so that the two clamping rods 14 contract when contracting, the connecting rod 121 pushes the arc frame 122 inwards, and the arc frame 122 has a clamping force.
The cushion block mechanism 126 comprises an arc rubber base a1, a groove a2 and a protruding rubber block a3, a groove a2 is formed in the rubber arc pad 123, the arc rubber base a1 is arranged inside the groove a2, the protruding rubber block a3 is arranged outside the groove a2 and extends to the groove a2, one end, close to the arc rubber base a1, of the protruding rubber block a3 is bonded, the rubber arc pad 126 is arranged inside the groove a2 through the cushion block mechanism 126, the protruding rubber block a3 is matched with a size box of the groove a2, unevenness of the protruding rubber block a3 enables friction to be large, and fixing stability is improved.
The sliding block 125 includes elastic pieces c1, an expansion link c2, a fixing rod c3 and a roller c4, the elastic pieces c1 are fixedly connected with the left inner wall of the sliding block 125, the number of the elastic pieces c1 is two, two expansion links c2 are arranged inside two elastic pieces c1, the expansion link c2 is fixedly connected with the left inner wall of the sliding block 125, a fixing rod c3 is arranged inside the sliding block 125, the expansion link c2 and two elastic pieces c1 are both fixedly connected with the fixing rod c3, one end of the fixing rod c3, which is far away from the expansion link c2, is provided with the roller c4 through the sliding block 125, the sliding block 125 is in contact with the inner wall of the sliding groove two 124, friction can be reduced by arranging the roller a4 on the inner wall of the sliding block 125, and the roller c4 cannot be jammed due to pressure by arranging the elastic pieces c 1.
Example 2;
please refer to fig. 6;
the suction cup mechanism 13 comprises a straight rod 131, a fixed frame 132, two rocker levers 133, a movable rod 134, a lifting rod 135, a rubber rod 136 and a rubber suction cup 137, the fixed frame 132 is fixedly connected with the clamping rod 14, the straight rod 131 is fixedly connected with the bottom of the inner wall of the fixed frame 132, the number of the rocker levers 133 is two, the two rocker levers 133 are movably connected with the left end and the right end of the fixed frame 132 through bearings, the bottoms of the two rocker levers 133 are movably connected with the movable rod 134 through bearings, the ends, close to each other, of the two movable rods 134 are movably connected with the lifting rod 135 through bearings, the lifting rod 135 is arranged inside the straight rod 131, the rubber suction cup 137 is fixedly connected with the top of the straight rod 131, the rubber rod 136 is arranged inside the rubber suction cup 137 and is contacted with the inner wall of the rubber suction cup 137, the top of the lifting rod 135 is fixedly connected with the rubber rod 136, through the arrangement of the suction cup mechanism 13, when a workpiece extrudes the rocker levers 133, will contact the rubber suction cup 136, when the rocker 133 descends, will pull the rubber rod 136 downwards, when the rubber rod 136 pulls downwards, the suction inside the rubber suction cup 137 will be strengthened, the use is convenient.
Please refer to fig. 7;
the placing mechanism 2 comprises a placing block 20, two bent rods 21, two bent pads 22, two inclined rods 23, springs 24, three sliding grooves 25 and bottom rods 26, the placing block 20 is fixedly connected with the top of the bottom plate 4, the two bent rods 21 are movably connected with one ends of the two bent rods 21 close to each other through bearings, the bent pads 22 are bonded with the tops of the two bent rods 21, the bottoms of the two bent rods 21 are respectively contacted with the left inner wall and the right inner wall of the placing block 20, the bottoms of the two bent rods 21 close to each other are respectively movably connected with the inclined rods 23 through bearings, the bottom rods 26 are fixedly connected with the left inner wall and the right inner wall of the placing block 20, the three sliding grooves 25 are respectively arranged at the two ends of the bottom rods 26, the two inclined rods 23 are respectively contacted with the inner walls of the two sliding grooves three 25, the number of the springs 24 is two, the two springs 24 are respectively fixedly connected with the left inner wall and the right inner wall of the placing block 20, one ends of the two springs 24 far away from the placing block 20 are respectively fixedly connected with the bottoms of the two inclined rods 23, the both ends of the workpiece are fixed by the placing blocks 20, the two bent rods 21 are moved downward by the pressure of the workpiece, and the bent rods 21 have a clamping force by the pressing of the both ends of the placing blocks 20 against the bent rods 21.
The working principle is as follows: the circular workpiece needing to be welded is placed inside the clamping rods 14, the moving block 12 moves downwards by rotating the threaded rod 16, the moving block 12 moves downwards more and more close to the two clamping rods 14 by moving downwards through the slope of the first sliding groove 15, the rubber suction cup 137 at the bottom is made to be tighter and tighter with the circular workpiece, the rocker 133 is continuously extruded through the workpiece, the rubber rod 136 inside the rubber suction cup 137 moves downwards more and more, the suction force inside the rubber suction cup 137 is enhanced, the two arc frames 122 are arranged inside the moving block 12, the arc frames 122 can bear pressure when contacting with the workpiece, when the two clamping rods 14 are close to each other originally, the connecting rod 121 pushes the arc frames 122 inwards by the pressure of the clamping rods 14, and the workpiece is clamped.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a welding is with circular work piece holder, includes bottom plate (4), its characterized in that: a fixed box (3) is arranged at the center of the top of the bottom plate (4), a clamping mechanism (1) is arranged inside the fixed box (3), and placing mechanisms (2) are arranged at the front end and the rear end of the fixed box (3);
the clamping mechanism (1) comprises a handle (11), a moving block (12), a sucker mechanism (13), two clamping rods (14), a first sliding groove (15) and a threaded rod (16), wherein the threaded rod (16) penetrates through the center of the fixed box (3), the handle (11) is fixedly connected to the top of the threaded rod (16), the number of the clamping rods (14) is two, the two clamping rods (14) are movably connected with the left top and the right top of the fixed box (3) through bearings, the top of the moving block (12) is rotatably connected with the bottom of the threaded rod (16) through bearings, the first sliding groove (15) is formed in the surface of each clamping rod (14), the left end and the right end of the moving block (12) are in contact with the first sliding groove (15), and the sucker mechanism (13) is arranged at the bottom of the end, close to the clamping rods (14), of each other.
2. The circular workpiece holder for welding according to claim 1, wherein: the moving block (12) comprises a connecting rod (121), two arc frames (122), two rubber arc pads (123), two sliding grooves (124), two sliding blocks (125) and a cushion block mechanism (126), the end, far away from the threaded rod (16), of the moving block (12) is provided with the two arc frames (122), the number of the two arc frames (122) is two, the ends, close to each other, of the two arc frames (122) are movably connected through a bearing, the ends, close to each other, of the two clamping rods (14) are respectively provided with the two sliding grooves (124), the rubber arc pads (123) are respectively bonded at the bottoms of the two arc frames (122), the cushion block mechanism (126) is arranged at the bottoms of the two rubber arc pads (123), the bottom of the end, far away from each other, of the two arc frames (122) is respectively and fixedly connected with the connecting rod (121), and the sliding block (125) is respectively and fixedly connected with the end, far away from each connecting rod (121), the two second sliding grooves (124) are arranged inside the two sliding blocks (125).
3. The circular workpiece holder for welding according to claim 2, wherein: cushion mechanism (126) include circular arc rubber base (a1), recess (a2) and protruding block rubber (a3), rubber circular arc pad (123) are seted up recess (a2), the inside of recess (a2) is provided with circular arc rubber base (a1), protruding block rubber (a3) set up in the outside of recess (a2) and extend to the inside of recess (a2), protruding block rubber (a3) with the mutual one end that is close to of circular arc rubber base (a1) for bonding.
4. The circular workpiece holder for welding according to claim 2, wherein: slider (125) include shell fragment (c1), telescopic link (c2), dead lever (c3) and gyro wheel (c4), the left side inner wall fixed connection of shell fragment (c1) and slider (125), the quantity of shell fragment (c1) has two, two the inside of shell fragment (c1) is provided with telescopic link (c2), the left side inner wall fixed connection of telescopic link (c2) and slider (125), the inside of slider (125) is provided with dead lever (c3), telescopic link (c2) and two shell fragments (c1) all with dead lever (c3) fixed connection, the one end that telescopic link (c3) kept away from telescopic link (c2) is provided with gyro wheel (c 4).
5. The circular workpiece holder for welding according to claim 1, wherein: the sucker mechanism (13) comprises a straight rod (131), a fixed frame (132), a rocker (133), movable rods (134), lifting rods (135), rubber rods (136) and rubber suckers (137), the fixed frame (132) is fixedly connected with a clamping rod (14), the straight rod (131) is fixedly connected with the bottom of the inner wall of the fixed frame (132), the number of the rockers (133) is two, the rockers (133) are movably connected with the left end and the right end of the fixed frame (132) through bearings, the bottoms of the two rockers (133) are movably connected with the movable rods (134) through bearings, one ends of the two movable rods (134) close to each other are movably connected with the lifting rods (135) through bearings, the lifting rods (135) are arranged inside the straight rod (131), the rubber suckers (137) are fixedly connected with the top of the straight rod (131), the rubber rods (136) are arranged inside the rubber suckers (137) and are in contact with the inner wall of the rubber suckers (137), the top of the lifting rod (135) is fixedly connected with the rubber rod (136).
6. The circular workpiece holder for welding according to claim 1, wherein: the placing mechanism (2) comprises placing blocks (20), bent rods (21), bent pads (22), inclined rods (23), springs (24), three sliding chutes (25) and bottom rods (26), the top of the placing blocks (20) is fixedly connected with the bottom plate (4), the number of the bent rods (21) is two, one ends of the two bent rods (21) which are close to each other are movably connected through bearings, the bent pads (22) are bonded on the tops of the two bent rods (21), the bottoms of the two bent rods (21) are contacted with the left inner wall and the right inner wall of the placing blocks (20), the bottoms of one ends of the two bent rods (21) which are close to each other are movably connected with the inclined rods (23) through bearings, the bottom rods (26) are fixedly connected with the left inner wall and the right inner wall of the placing blocks (20), the two sliding chutes (25) are formed in the two ends of the bottom rods (26), and the inclined rods (23) are contacted with the inner walls of the two sliding chutes (25), the quantity of spring (24) has two, two spring (24) all with place the inner wall fixed connection about piece (20), two spring (24) keep away from the one end of placing piece (20) all with the bottom fixed connection of two down tube (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110397946.6A CN113210995A (en) | 2021-04-14 | 2021-04-14 | Circular workpiece clamp for welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110397946.6A CN113210995A (en) | 2021-04-14 | 2021-04-14 | Circular workpiece clamp for welding |
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| Publication Number | Publication Date |
|---|---|
| CN113210995A true CN113210995A (en) | 2021-08-06 |
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ID=77087264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110397946.6A Pending CN113210995A (en) | 2021-04-14 | 2021-04-14 | Circular workpiece clamp for welding |
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| CN (1) | CN113210995A (en) |
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| CN113708540A (en) * | 2021-10-29 | 2021-11-26 | 苏州福格纳机电有限公司 | Single hall sensor triaxial brushless motor stabilising arrangement |
| CN115301877A (en) * | 2022-10-12 | 2022-11-08 | 海疆(江苏)智能科技有限公司 | Industrial robot arm forging platform |
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| CN115301877A (en) * | 2022-10-12 | 2022-11-08 | 海疆(江苏)智能科技有限公司 | Industrial robot arm forging platform |
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Application publication date: 20210806 |
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