CN107350696B - Positioning and clamping device for welding - Google Patents
Positioning and clamping device for welding Download PDFInfo
- Publication number
- CN107350696B CN107350696B CN201710794202.1A CN201710794202A CN107350696B CN 107350696 B CN107350696 B CN 107350696B CN 201710794202 A CN201710794202 A CN 201710794202A CN 107350696 B CN107350696 B CN 107350696B
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- China
- Prior art keywords
- gear
- positioning
- shaft
- groove
- welding
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Classifications
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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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention relates to the field of machining and discloses a positioning and clamping device for welding, which comprises a fixed groove, a positioning device and a positioning and adjusting device; the positioning and adjusting device comprises a main shaft, a gear a, a gear b meshed with the gear a, and an adjusting shaft sleeved in the middle of the gear b and parallel to the main shaft, and a movable block; the two movable blocks are radially and fixedly provided with pin shafts; the positioning device comprises a fixing plate and a fixing seat, wherein a groove for limiting the gear b to move in the horizontal direction is formed in the middle of the fixing plate, a sliding groove corresponding to a pin shaft is formed in the fixing plate, the pin shaft is clamped into the sliding groove, the movable block is connected with the fixing plate, and when in welding, two fixing pieces of a workpiece can be respectively placed into gaps between the two movable blocks and the fixing seat, so that the workpiece is more stable to fix when being processed, and when the workpiece is fixed, the two movable blocks can synchronously move in opposite directions only by rotating a main shaft, so that the whole clamping process is convenient and quick.
Description
Technical Field
The invention relates to the field of machining, in particular to a positioning and clamping device for welding.
Background
Welding: also known as fusion, bonding, is a process and technique for joining metals or other thermoplastic materials, such as plastics, by means of heat, high temperature or high pressure. Welding achieves the purpose of joining by three means:
1. fusion welding-the welding of workpieces to be joined is carried out by heating to form a molten pool by partial melting, joining after cooling and solidifying, if necessary, adding filler, and it is suitable for the welding processing of various metals and alloys without pressure.
2. Pressure welding-the welding process must exert pressure on the weld, belonging to the processing of various metallic materials and parts of metallic materials.
3. Brazing, namely, adopting a metal material with a melting point lower than that of a base metal as a brazing filler metal, wetting the base metal by using the liquid brazing filler metal, filling a joint gap, and mutually diffusing with the base metal to realize a linked weldment. Is suitable for welding various materials and welding different metals or dissimilar materials.
The energy sources of modern welding are numerous and include gas flames, electric arcs, lasers, electron beams, friction and ultrasound.
At present, most workpieces are required to be clamped and fixed in a fixed groove during welding, and the workpieces are required to be disassembled and installed for many times during welding, and the existing fixed groove is used for fixing the workpieces and the fixed groove mostly through bolts, so that the operation is complex, and time and labor are wasted.
Disclosure of Invention
Based on the technical problems, the invention provides a positioning and clamping device for welding, so that the technical problems of complicated step for fixing a workpiece, time and labor waste in welding in the prior art are solved.
The technical scheme adopted by the invention is as follows:
a positioning and clamping device for welding comprises a fixed groove, a positioning device and a positioning and adjusting device, wherein the positioning device and the positioning and adjusting device are arranged in the fixed groove;
the positioning and adjusting device comprises a main shaft penetrating through the fixed groove, a gear a fixedly sleeved in the middle of the main shaft, a gear b meshed with the gear a, an adjusting shaft fixedly sleeved in the middle of the gear b and parallel to the main shaft, bearing seats symmetrically arranged on two sides of the gear b and movable blocks symmetrically arranged at two ends of the adjusting shaft; the main shaft can rotate along the central shaft, the bearing seat is sleeved on the adjusting shaft, the two ends of the adjusting shaft are respectively provided with a positive thread and a negative thread, the movable blocks are respectively connected with the positive threads or the negative threads at the two ends of the adjusting shaft, and the two movable blocks are radially and fixedly provided with a pin shaft;
the positioning device comprises a fixed plate parallel to the main shaft and fixed seats symmetrically arranged on the inner wall of the fixed groove, the two fixed seats respectively correspond to the two movable blocks, grooves for limiting the gear b to move in the horizontal direction are formed in the middle of the fixed plate, sliding grooves corresponding to the pin shafts are formed in the fixed plate in an axisymmetric mode by taking the grooves as the axes, the sliding grooves are parallel to the length direction of the fixed plate, the pin shafts are clamped into the sliding grooves, the movable blocks are connected with the fixed plate, and the bearing seat is fixedly connected with the fixed plate.
Preferably, both ends of the two sliding grooves are sealed.
Preferably, a gap is reserved between the movable block and the fixed seat, and a clamping groove is formed in the position, corresponding to the gap, of the fixed plate.
Preferably, one end of the main shaft is provided with a handle.
Preferably, the handle is perpendicular to the length direction of the main shaft, and the length of the handle is greater than 300mm.
Preferably, the diameter of the gear a is larger than the diameter of the gear b.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. when the workpiece is machined, the workpiece can be clamped or loosened by only rotating the main shaft, so that the workpiece clamping device is convenient and quick to operate, and saves time and labor; and by adjusting the distance between the movable block and the fixed seat, workpieces with different types can be processed;
according to the invention, the two movable blocks are respectively arranged at two ends of the adjusting shaft through the positive and negative threads, and when the adjusting shaft rotates, the two movable blocks synchronously move in opposite directions, so that two workpieces can be processed simultaneously, the operation is convenient and quick, and the working efficiency is improved;
when the workpiece is symmetrically provided with two fixing pieces, the two fixing pieces can be respectively placed in gaps between the two movable blocks and the fixed seat, so that the workpiece is more stable to fix during processing, and the two movable blocks can synchronously move in opposite directions only by rotating the main shaft during fixing, so that the clamping process is convenient and quick.
2. The two ends of the sliding groove are sealed, so that the phenomenon that the movable block cannot move due to the fact that the pin shaft is taken out of the sliding groove by the movable block in the process of moving the movable block is avoided; the clamping groove provided by the invention can clamp other parts of the workpiece in the clamping groove, so that the workpiece is more stable.
3. The handle provided by the invention can conveniently rotate the main shaft, so that the adjustment is more convenient, the length of the handle is more than 300mm, the lever principle can be better utilized, and the adjustment is more labor-saving; the diameter of the gear a is larger than that of the gear b, so that the gear a can save more labor when driving the gear b to rotate.
Drawings
FIG. 1 is a general schematic of the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
FIG. 3 is a schematic view of the positioning adjustment device of the present invention, with the movable block retracted;
FIG. 4 is a schematic view of the positioning adjustment device of the present invention, with the movable block in an extended state;
the marks in the figure: 1-a fixed groove; 2-positioning means; 3-positioning adjusting device; 4-a main shaft; 5-gear a; 6-gear b; 7-adjusting the shaft; 8-bearing seats; 9-a movable block; 10-pin shafts; 11-a fixing plate; 12-fixing base; 13-grooves; 14-sliding grooves; 15-clamping grooves; 16-handle.
Detailed Description
All of the features disclosed in this specification, except for mutually exclusive features and/or steps, may be combined in any manner.
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, a positioning and clamping device for welding comprises a fixed groove 1, a positioning device 2 arranged inside the fixed groove 1 and a positioning and adjusting device 3;
as shown in fig. 3 and 4, the positioning adjusting device 3 includes a main shaft 4 penetrating through the fixed slot 1 and capable of rotating, a gear a5 fixedly sleeved at the middle part of the main shaft 4, a gear b6 meshed with the gear a5, an adjusting shaft 7 fixedly sleeved at the middle part of the gear b6 and parallel to the main shaft 4, bearing seats 8 symmetrically arranged at two sides of the gear b6, and movable blocks 9 symmetrically arranged at two ends of the adjusting shaft 7; the main shaft 4 can rotate along a central shaft, the bearing seat 8 is sleeved on the adjusting shaft 7, the adjusting shaft 7 can rotate in the bearing seat 8, the two ends of the adjusting shaft 7 are respectively provided with positive threads and reverse threads, the two movable blocks 9 are respectively connected with the positive threads or the reverse threads at the two ends of the adjusting shaft 7, and the two movable blocks 9 are radially and fixedly provided with a pin shaft 10;
as shown in fig. 1, the positioning device 2 includes a fixed plate 11 parallel to the spindle 4 and a fixed seat 12 symmetrically disposed on an inner wall of the fixed slot 1, the two fixed seats 12 respectively correspond to the two movable blocks 9, a groove 13 for limiting the gear b6 to move in a horizontal direction is disposed in the middle of the fixed plate 11, as shown in fig. 1 and 2, a sliding slot 14 corresponding to the pin shaft 10 is disposed on the fixed plate 11 with the groove 13 as an axisymmetric, the sliding slot 14 is parallel to a length direction of the fixed plate 11, the pin shaft 10 is clamped into the sliding slot 14, the movable blocks 9 are connected with the fixed plate 11, the bearing seat 8 is fixedly connected with the fixed plate 11, the positioning adjusting device 3 is connected with the positioning device 2, two ends of the two sliding slots 14 are sealed, a gap is reserved between the movable blocks 9 and the fixed seat 12, a clamping slot 15 is disposed at a position corresponding to the gap of the fixed plate 11, a handle 16 with a length of 300mm is disposed at one end of the spindle 4, and a diameter of the gear a5 is larger than a diameter of the gear b 6.
The working principle of the invention is as follows: when two fixing pieces are symmetrically arranged on a workpiece to be welded, the two fixing pieces of the workpiece can be respectively placed in a gap between the movable block 9 and the fixed seat 12, the handle 16 is rotated, the handle 16 drives the main shaft 4 to rotate, the main shaft 4 drives the gear a5 to rotate, the gear a5 drives the gear b6 meshed with the gear a5 to rotate, the gear b6 rotates to drive the adjusting shaft 7 to rotate, and as the two movable blocks 9 are respectively connected with the adjusting shaft 7 through positive and negative threads and the pin shafts 10 on the movable blocks 9 are clamped in the sliding grooves 14, when the adjusting shaft 7 rotates, the two movable blocks 9 synchronously move in opposite directions, so that the distance between the movable blocks 9 and the fixed seat 12 is reduced, and the workpiece is clamped and welded; after the welding is finished, the handle 16 is reversely rotated, so that the distance between the movable block 9 and the fixed seat 12 is increased, and the workpiece is loosened and taken out;
when the size of a workpiece to be welded is smaller than the size of a half of a fixed groove 1, the two workpieces can be respectively placed in a gap between the two movable blocks 9 and the fixed seat 12, the handle 16 is rotated, the handle 16 drives the main shaft 4 to rotate, the main shaft 4 drives the gear a5 to rotate, the gear a5 drives the gear b6 meshed with the gear a5 to rotate, the gear b6 rotates to drive the adjusting shaft 7 to rotate, and as the two movable blocks 9 are respectively connected with the adjusting shaft 7 through positive and negative threads and the pin shafts 10 on the movable blocks 9 are clamped in the sliding grooves 14, when the adjusting shaft 7 rotates, the two movable blocks 9 synchronously move in opposite directions, so that the distance between the movable blocks 9 and the fixed seat 12 is reduced, and the two workpieces are clamped simultaneously for welding; after the welding is completed, the handle 16 is reversely rotated, so that the distance between the movable block 9 and the fixed seat 12 is increased, and two workpieces are simultaneously loosened and taken out.
The present invention will be described in further detail with reference to specific examples.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Example 1
The positioning and clamping device for welding comprises a fixed groove 1, a positioning device 2 and a positioning and adjusting device 3, wherein the positioning device 2 is arranged in the fixed groove 1;
the positioning and adjusting device 3 comprises a main shaft 4 penetrating through the fixed groove 1, a gear a5 fixedly sleeved on the middle part of the main shaft 4, a gear b6 meshed with the gear a5, an adjusting shaft 7 fixedly sleeved on the middle part of the gear b6 and parallel to the main shaft 4, bearing seats 8 symmetrically arranged on two sides of the gear b6 and movable blocks 9 symmetrically arranged on two ends of the adjusting shaft 7; the main shaft 4 can rotate along a central shaft, the bearing seat 8 is sleeved on the adjusting shaft 7, the two ends of the adjusting shaft 7 are respectively provided with a positive thread and a negative thread, the two movable blocks 9 are respectively connected with the positive threads or the negative threads at the two ends of the adjusting shaft 7, and the two movable blocks 9 are radially and fixedly provided with a pin shaft 10;
the positioning device 2 comprises a fixed plate 11 parallel to the main shaft 4 and fixed seats 12 symmetrically arranged on the inner wall of the fixed groove 1, the two fixed seats 12 respectively correspond to the two movable blocks 9, a groove 13 for limiting the gear b6 to move in the horizontal direction is formed in the middle of the fixed plate 11, a sliding groove 14 corresponding to the pin shaft 10 is formed in the fixed plate 11 in an axisymmetric mode by taking the groove 13 as the groove 13, the sliding groove 14 is parallel to the length direction of the fixed plate 11, the pin shaft 10 is clamped into the sliding groove 14, the movable blocks 9 are connected with the fixed plate 11, the bearing seat 8 is fixedly connected with the fixed plate 11, and the positioning adjusting device 3 is connected with the positioning device 2.
Example 2
This embodiment is further optimized based on embodiment 1, both ends of the two sliding grooves 14 are sealed, so that the pin 10 is prevented from being carried out of the sliding groove 14 by the movable block 9 in the process of moving the movable block 9, and the movable block 9 cannot move.
Example 3
According to the embodiment, based on the embodiment 1, a gap is reserved between the movable block 9 and the fixed seat 12, and the clamping groove 15 is formed in the position, corresponding to the gap, of the fixed plate 11, so that other parts of a workpiece can be clamped in the clamping groove 15, and the workpiece is more stable in fixing.
Example 4
This embodiment is further optimized based on embodiment 1, and a handle 16 is disposed at one end of the spindle 4, so that the workpiece can be clamped more conveniently.
Example 5
The embodiment is further optimized based on the embodiment 4, the handle 16 is perpendicular to the length direction of the spindle 4, and the length of the handle 16 is larger than 300mm, so that the lever principle can be better utilized, and the adjustment is more labor-saving.
Example 6
The embodiment is further optimized based on the embodiment 1, and the diameter of the gear a5 is larger than that of the gear b6, so that the gear a5 can drive the gear b6 to rotate more labor-saving.
The above-described embodiments of the present invention. The present invention is not limited to the above embodiments, and any person who can learn about the structural changes made under the teaching of the present invention falls within the scope of protection of the present invention if the present invention has the same or similar technical solutions.
Claims (6)
1. A positioning and clamping device for welding, which is characterized in that: comprises a fixed groove (1), a positioning device (2) arranged in the fixed groove (1) and a positioning adjusting device (3);
the positioning and adjusting device (3) comprises a main shaft (4) penetrating through the fixed groove (1), a gear a (5) fixedly sleeved at the middle part of the main shaft (4), a gear b (6) meshed with the gear a (5), an adjusting shaft (7) fixedly sleeved at the middle part of the gear b (6) and parallel to the main shaft (4), bearing seats (8) symmetrically arranged at two sides of the gear b (6) and movable blocks (9) symmetrically arranged at two ends of the adjusting shaft (7); the main shaft (4) can rotate along the central shaft, the bearing seat (8) is sleeved on the adjusting shaft (7), the two ends of the adjusting shaft (7) are respectively provided with positive threads and reverse threads, the two movable blocks (9) are respectively connected with the positive threads or the reverse threads at the two ends of the adjusting shaft (7), and the two movable blocks (9) are radially and fixedly provided with the pin shafts (10);
the positioning device (2) comprises a fixed plate (11) parallel to the main shaft (4) and a fixed seat (12) symmetrically arranged on the inner wall of the fixed groove (1), the two fixed seats (12) respectively correspond to the two movable blocks (9), a groove (13) for limiting the gear b (6) to move in the horizontal direction is formed in the middle of the fixed plate (11), a sliding groove (14) corresponding to the pin shaft (10) is formed in the fixed plate (11) by taking the groove (13) as the axis symmetry, the sliding groove (14) is parallel to the length direction of the fixed plate (11), the pin shaft (10) is clamped into the sliding groove (14), the movable blocks (9) are connected with the fixed plate (11), and the bearing seat (8) is fixedly connected with the fixed plate (11).
2. The positioning and clamping device for welding as recited in claim 1, wherein: both ends of the two sliding grooves (14) are sealed.
3. The positioning and clamping device for welding as recited in claim 1, wherein: a gap is reserved between the movable block (9) and the fixed seat (12), and a clamping groove (15) is formed in the position, corresponding to the gap, of the fixed plate (11).
4. The positioning and clamping device for welding as recited in claim 1, wherein: one end of the main shaft (4) is provided with a handle (16).
5. The positioning and clamping device for welding as recited in claim 4, wherein: the handle (16) is perpendicular to the length direction of the main shaft (4), and the length of the handle (16) is more than 300mm.
6. The positioning and clamping device for welding as recited in claim 1, wherein: the diameter of the gear a (5) is larger than that of the gear b (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794202.1A CN107350696B (en) | 2017-09-06 | 2017-09-06 | Positioning and clamping device for welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794202.1A CN107350696B (en) | 2017-09-06 | 2017-09-06 | Positioning and clamping device for welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107350696A CN107350696A (en) | 2017-11-17 |
| CN107350696B true CN107350696B (en) | 2023-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710794202.1A Active CN107350696B (en) | 2017-09-06 | 2017-09-06 | Positioning and clamping device for welding |
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| Country | Link |
|---|---|
| CN (1) | CN107350696B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335835B (en) * | 2020-01-03 | 2022-05-06 | 中国石油集团川庆钻探工程有限公司 | Well testing stop fork |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1170846A (en) * | 1967-08-17 | 1969-11-19 | Tabak & Ind Masch | Apparatus for the Drive of Jaws of a Transverse Welding or Sealing Device in a Packaging Machine |
| CN105081662A (en) * | 2015-09-11 | 2015-11-25 | 蔡雁行 | Workpiece welding and fixing mechanism |
| CN105195958A (en) * | 2015-10-15 | 2015-12-30 | 山东奥太电气有限公司 | Cross arm clamping tool for robot welding workstations and application method thereof |
| WO2016045561A1 (en) * | 2014-09-23 | 2016-03-31 | 南车青岛四方机车车辆股份有限公司 | Welding clamping device |
| CN105564954A (en) * | 2016-02-02 | 2016-05-11 | 常州快克锡焊股份有限公司 | Adjustable turnover device for workpieces in production line |
| CN206393133U (en) * | 2017-01-17 | 2017-08-11 | 上海瑞挚汽车模具有限公司 | Bicycle beam welds clamping device |
| CN207104184U (en) * | 2017-09-06 | 2018-03-16 | 郑州郑飞机电技术有限责任公司 | A kind of positioning clamping device for being used to weld |
-
2017
- 2017-09-06 CN CN201710794202.1A patent/CN107350696B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1170846A (en) * | 1967-08-17 | 1969-11-19 | Tabak & Ind Masch | Apparatus for the Drive of Jaws of a Transverse Welding or Sealing Device in a Packaging Machine |
| WO2016045561A1 (en) * | 2014-09-23 | 2016-03-31 | 南车青岛四方机车车辆股份有限公司 | Welding clamping device |
| CN105081662A (en) * | 2015-09-11 | 2015-11-25 | 蔡雁行 | Workpiece welding and fixing mechanism |
| CN105195958A (en) * | 2015-10-15 | 2015-12-30 | 山东奥太电气有限公司 | Cross arm clamping tool for robot welding workstations and application method thereof |
| CN105564954A (en) * | 2016-02-02 | 2016-05-11 | 常州快克锡焊股份有限公司 | Adjustable turnover device for workpieces in production line |
| CN206393133U (en) * | 2017-01-17 | 2017-08-11 | 上海瑞挚汽车模具有限公司 | Bicycle beam welds clamping device |
| CN207104184U (en) * | 2017-09-06 | 2018-03-16 | 郑州郑飞机电技术有限责任公司 | A kind of positioning clamping device for being used to weld |
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| Publication number | Publication date |
|---|---|
| CN107350696A (en) | 2017-11-17 |
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