CN114888483B - Sliding mechanism with self-locking function - Google Patents
Sliding mechanism with self-locking function Download PDFInfo
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- CN114888483B CN114888483B CN202210327968.XA CN202210327968A CN114888483B CN 114888483 B CN114888483 B CN 114888483B CN 202210327968 A CN202210327968 A CN 202210327968A CN 114888483 B CN114888483 B CN 114888483B
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- Prior art keywords
- guide
- roller
- sliding
- wall
- groove
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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
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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
- B23K37/0443—Jigs
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention discloses a sliding mechanism with a self-locking function, which comprises a base (1), wherein two sliding rails (2) are symmetrically arranged on the base (1), the sliding rails (2) are in sliding connection with sliding blocks (4) fixedly connected to the bottom end surface of a moving plate (3), a guide plate (5) and an air cylinder (6) are further arranged on the base (1) between the two sliding rails (2), a guide groove (7) is formed in the guide plate (5), a guide block is connected in the guide groove (7) in a sliding manner, the guide block is connected with a working shaft of the air cylinder (6), the guide groove (7) is rectangular, two vertex angles of one side edge of the guide groove are respectively provided with a positioning groove (8), the radius of the positioning groove (8) is R, two vertex angles of the other side edge of the guide groove (7) are arc chamfers (9) with the same radius of R, and the distance between the inner wall of the positioning groove (8) and the inner wall of the arc chamfer (9) is L.
Description
Technical Field
The invention relates to the field of automatic production, in particular to a sliding mechanism with a self-locking function.
Background
In the fixture for welding automobiles, a sliding device is often used, in order to ensure the safety in the processing process, a traditional sliding mechanism or device is provided with one or more swinging cylinders at the limit positions to realize limit and locking, and the mode needs to occupy relatively large space and also increases the cost of purchasing the cylinders, so that a method or device capable of solving the problems is needed.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the sliding mechanism which has the advantages of simple structure, ingenious design, reasonable layout, small volume and low cost, and can realize self-locking at a specific position by only using the guide blocks and the guide grooves with special structures.
The technical scheme of the invention is as follows: the utility model provides a sliding mechanism with self-locking function which characterized in that: the sliding mechanism comprises a base 1, two sliding rails 2 are symmetrically arranged on the base 1, the sliding rails 2 are in sliding connection with a sliding block 4 fixedly connected to the bottom end surface of a moving plate 3, a guide plate 5 and an air cylinder 6 are further arranged on the base 1 between the two sliding rails 2, a guide groove 7 is formed in the guide plate 5, a guide block is connected in the guide groove 7 in a sliding manner, the guide block is connected with a working shaft of the air cylinder 6,
the guide groove 7 is rectangular, two vertex angles of one side edge of the guide groove 7 are respectively provided with a positioning groove 8, the radius of the positioning groove 8 is R, two vertex angles of the other side edge of the guide groove 7 are arc chamfer angles 9 with the same radius of R, the distance between the inner wall of the positioning groove 8 and the inner wall of the arc chamfer angles 9 is L,
the guide block comprises a connecting plate directly connected with a working shaft of the air cylinder 6 in a rotating way, a central roller 10, a left roller 11 and a right roller 12 are rotatably supported on the connecting plate, the axes of the three rollers are positioned on three vertexes of an isosceles right triangle, the axes of the central roller 10 are positioned at the vertexes of the isosceles right triangle where the right angles are positioned, the tops of the left roller 11 and the right roller 12 are also connected with a guide post 13, the radiuses of the left roller 11 and the right roller 12 are also R, the maximum distance between the outer wall of the left roller 11 and the outer wall of the central roller 10 is L, the maximum distance between the outer wall of the right roller 12 and the outer wall of the central roller 10 is also L,
an arc-shaped groove 14 is arranged on the moving plate 3, two guide posts 13 are movably connected in the arc-shaped groove 14,
the two ends of the base 1 are provided with position sensors 15 matched with the movable plate 3, the two ends of the base 1 are also provided with buffer limiting mechanisms matched with the movable plate 3, and the buffer limiting mechanisms comprise buffers 16 and limiting stops 17.
Compared with the prior art, the invention has the following advantages:
the sliding mechanism with the self-locking function in the structural form is simple in structure, ingenious in design and reasonable in layout, and aims at various problems existing in the use process of the traditional sliding mechanism, a special structure is designed, the sliding mechanism is matched with the guide groove and the guide block with special structures to form an arc-shaped groove on a sliding plate so as to realize the reciprocating linear motion of the sliding plate, when the guide block moves to the end part of the guide groove, two rollers in the guide block can be clamped in the width direction of the guide groove, so that the self-locking is realized, and the sliding mechanism does not need to be additionally provided with a locking cylinder to realize auxiliary self-locking, so that the cost and the occupied space can be saved, and meanwhile, the manufacturing process is simple, the manufacturing cost is low, so that the sliding mechanism has various advantages, and is particularly suitable for popularization and application in the field, and has very wide market prospects.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic perspective view of an embodiment of the present invention (with the moving plate removed).
Fig. 3 is a partial enlarged view of a guide plate portion in an embodiment of the present invention.
Detailed Description
Specific embodiments of the present invention will be described below with reference to the accompanying drawings. As shown in fig. 1, 2 and 3: the sliding mechanism with self-locking function comprises a base 1 as a foundation, two sliding rails 2 are symmetrically arranged on the base 1, the sliding rails 2 are in sliding connection with a sliding block 4 fixedly connected to the bottom end surface of a moving plate 3, a guide plate 5 and a cylinder 6 are also arranged on the base 1 between the two sliding rails 2, a guide groove 7 is formed in the guide plate 5, a guide block is connected in the guide groove 7 in a sliding manner, the guide block is connected with a working shaft of the cylinder 6,
the guide groove 7 is rectangular, two vertex angles of one side edge of the guide groove 7 are respectively provided with a positioning groove 8, the radius of the positioning groove 8 is R, two vertex angles of the other side edge of the guide groove 7 are arc chamfer angles 9 with the same radius of R, the distance between the inner wall of the positioning groove 8 and the inner wall of the arc chamfer angles 9 is L,
the guide block comprises a connecting plate directly connected with a working shaft of the air cylinder 6 in a rotating way, a central roller 10, a left roller 11 and a right roller 12 are rotatably supported on the connecting plate, the axes of the three rollers are positioned on three vertexes of an isosceles right triangle, the axes of the central roller 10 are positioned at the vertexes of the isosceles right triangle where the right angles are positioned, the tops of the left roller 11 and the right roller 12 are also connected with a guide post 13, the radiuses of the left roller 11 and the right roller 12 are also R, the maximum distance between the outer wall of the left roller 11 and the outer wall of the central roller 10 is L, the maximum distance between the outer wall of the right roller 12 and the outer wall of the central roller 10 is also L,
an arc-shaped groove 14 is arranged on the moving plate 3, two guide posts 13 are movably connected in the arc-shaped groove 14,
the two ends of the base 1 are provided with position sensors 15 matched with the movable plate 3, the two ends of the base 1 are also provided with buffer limiting mechanisms matched with the movable plate 3, and the buffer limiting mechanisms comprise buffers 16 and limiting stops 17.
The sliding mechanism with the self-locking function of the embodiment of the invention has the following working processes: the workpiece needing to slide is connected to the moving plate 3 through a fixture, the cylinder 6 is started, the cylinder 6 directly drives the guide block to do linear motion, and the guide block moves relative to the guide groove 7 due to the fixed connection of the guide plate 5 and the base 1, and when the guide block moves to the end part of the guide groove 7, the left roller 11 (or the right roller 12) on the guide block is clamped in the width direction of the guide groove 7, so that self-locking is realized; when the guide block moves, the arc-shaped groove 14 connected with the guide post 13 at the top end of the guide block drives the moving plate 3 to move, namely when the air cylinder 6 drives the guide block to move, the moving plate 3 is further driven to move, and meanwhile, the guide block can realize self-locking at the limit position of the movement;
in the above movement process, the position sensors 15 disposed at two ends of the base 1 will detect the current state of the moving plate 3, and the buffer 16 in the buffer limiting mechanism can slowly stop the moving plate 3, and the stop block 17 can limit the stop position of the moving plate 3;
the following describes the movement process of the guide block in detail: in the initial state, the cylinder 6 is in a recovery state, at the moment, the center roller 10 is in contact with the circular arc chamfer 9 close to one side of the cylinder 6, the right roller 12 is clamped in the positioning groove 8 close to one side of the cylinder 6, and the maximum distance between the outer wall of the right roller 12 and the outer wall of the center roller 10 is L because the distance between the inner wall of the positioning groove 8 and the inner wall of the circular arc chamfer 9 is L, so that the center roller 10 and the right roller 12 are jointly clamped at one end of the guide groove 7 close to the cylinder 6 at the moment, and the locking of the position is realized;
when the movable plate 3 is required to be driven to move, the air cylinder 6 drives the connecting plate to move, the connecting plate rotates firstly, when the connecting plate rotates, the central roller 10 moves towards the direction away from the air cylinder 6, the guide block swings clockwise by taking the central roller 10 as an axis, the right roller 12 is separated from the positioning groove 8, at the moment, the central roller 10 contacts with one side edge of the guide groove 7 and rolls and rubs, the left roller 11 and the right roller 12 contact with the other side edge of the guide groove 7 and roll and rubs, when the left roller 11 contacts with the inner wall of one end of the guide groove 7 away from the air cylinder 6, the connecting plate swings clockwise by taking the central roller 10 as an axis, the left roller 11 enters the positioning groove 8 corresponding to the end until the central roller 10 contacts with the circular arc chamfer 9 of the end, and the central roller 10 and the left roller 11 are clamped at one end of the guide groove 7 away from the air cylinder 6 together to lock the position;
when the guide block is in the locked state, a relatively large force is required to release the left roller 11 or the right roller 12 from the positioning groove 8, that is, no additional air cylinder is required to realize auxiliary locking, and only by virtue of the special structure of the guide block and the guide groove 7, the locking of the movable plate 3 at different limit positions can be realized.
Claims (1)
1. The utility model provides a sliding mechanism with self-locking function which characterized in that: the sliding mechanism comprises a base (1), two sliding rails (2) are symmetrically arranged on the base (1), the sliding rails (2) are in sliding connection with a sliding block (4) fixedly connected to the bottom end face of a moving plate (3), a guide plate (5) and an air cylinder (6) are further arranged on the base (1) between the two sliding rails (2), a guide groove (7) is formed in the guide plate (5), a guide block is connected in the guide groove (7) in a sliding manner, the guide block is connected with a working shaft of the air cylinder (6),
the guide groove (7) is rectangular, two vertex angles of one side edge of the guide groove are respectively provided with a positioning groove (8), the radius of the positioning groove (8) is R, two vertex angles of the other side edge of the guide groove (7) are arc chamfer angles (9) with the same radius of R, the distance between the inner wall of the positioning groove (8) and the inner wall of the arc chamfer angles (9) is L,
the guide block comprises a connecting plate directly connected with a working shaft of the air cylinder (6), a central roller (10), a left roller (11) and a right roller (12) are rotatably supported on the connecting plate, the axes of the three rollers are positioned on three vertexes of an isosceles right triangle, the axes of the central roller (10) are positioned at the vertexes of the isosceles right triangle where the right angles are positioned, guide posts (13) are further connected at the tops of the left roller (11) and the right roller (12), the radius of the left roller (11) and the radius of the right roller (12) are also R, the maximum distance between the outer wall of the left roller (11) and the outer wall of the central roller (10) is L, the maximum distance between the outer wall of the right roller (12) and the outer wall of the central roller (10) is also L,
an arc-shaped groove (14) is formed on the moving plate (3), two guide posts (13) are movably connected in the arc-shaped groove (14),
the two ends of the base (1) are provided with position sensors (15) matched with the movable plate (3), the two ends of the base (1) are also provided with buffer limiting mechanisms matched with the movable plate (3), and the buffer limiting mechanisms comprise buffers (16) and limiting stop blocks (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210327968.XA CN114888483B (en) | 2022-03-31 | 2022-03-31 | Sliding mechanism with self-locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210327968.XA CN114888483B (en) | 2022-03-31 | 2022-03-31 | Sliding mechanism with self-locking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114888483A CN114888483A (en) | 2022-08-12 |
| CN114888483B true CN114888483B (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210327968.XA Active CN114888483B (en) | 2022-03-31 | 2022-03-31 | Sliding mechanism with self-locking function |
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| Country | Link |
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| CN (1) | CN114888483B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202667948U (en) * | 2012-02-24 | 2013-01-16 | 长城汽车股份有限公司 | Quick transfer device for welding clamping unit |
| CN108544165A (en) * | 2018-05-15 | 2018-09-18 | 苏州赛腾精密电子股份有限公司 | A kind of welding carrier press plate mechanism |
| CN208529139U (en) * | 2018-06-26 | 2019-02-22 | 贵州航天电器股份有限公司 | A kind of chucking power is constant and has two pawl manipulators of self-locking function |
| CN111451685A (en) * | 2019-01-21 | 2020-07-28 | 广州汽车集团股份有限公司 | Sliding self-locking device of welding fixture |
| CN113399889A (en) * | 2021-07-20 | 2021-09-17 | 大连奥托股份有限公司 | Multi-position sliding mechanism |
-
2022
- 2022-03-31 CN CN202210327968.XA patent/CN114888483B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202667948U (en) * | 2012-02-24 | 2013-01-16 | 长城汽车股份有限公司 | Quick transfer device for welding clamping unit |
| CN108544165A (en) * | 2018-05-15 | 2018-09-18 | 苏州赛腾精密电子股份有限公司 | A kind of welding carrier press plate mechanism |
| CN208529139U (en) * | 2018-06-26 | 2019-02-22 | 贵州航天电器股份有限公司 | A kind of chucking power is constant and has two pawl manipulators of self-locking function |
| CN111451685A (en) * | 2019-01-21 | 2020-07-28 | 广州汽车集团股份有限公司 | Sliding self-locking device of welding fixture |
| CN113399889A (en) * | 2021-07-20 | 2021-09-17 | 大连奥托股份有限公司 | Multi-position sliding mechanism |
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| Publication number | Publication date |
|---|---|
| CN114888483A (en) | 2022-08-12 |
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