CN219945349U - Screw rod clamp - Google Patents
Screw rod clamp Download PDFInfo
- Publication number
- CN219945349U CN219945349U CN202321547265.4U CN202321547265U CN219945349U CN 219945349 U CN219945349 U CN 219945349U CN 202321547265 U CN202321547265 U CN 202321547265U CN 219945349 U CN219945349 U CN 219945349U
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- Prior art keywords
- screw rod
- groove
- clamping
- reciprocating screw
- vertical plate
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- 229920001875 Ebonite Polymers 0.000 claims abstract description 17
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
- Transmission Devices (AREA)
Abstract
The utility model discloses a screw rod clamp which comprises a base, a first vertical plate, a second vertical plate and a reciprocating screw rod, wherein a first circular groove is formed in the first vertical plate, a hard rubber ring is arranged in the first circular groove, a second circular groove is formed in the second vertical plate, a bearing is arranged in the second circular groove, one end of the reciprocating screw rod is arranged in the hard rubber ring, the other end of the reciprocating screw rod is arranged in an inner ring of the bearing, and threaded sleeves are respectively sleeved on two sides of the reciprocating screw rod. When the reciprocating screw rod rotates positively, the reciprocating screw rod rotates on the second vertical plate through the bearing, and meanwhile, the reciprocating screw rod rotates in the hard rubber ring, so that the threaded sleeve drives the limiting block to move along the limiting groove, the threaded sleeve drives the clamping plate to move synchronously, an external workpiece can be clamped, when the clamping plate is worn, the bolt is reversely screwed, the bolt leaves the threaded hole, the bolt is taken out from the mounting hole, and the worn clamping plate can be replaced or maintained.
Description
Technical Field
The utility model relates to the technical field of screw clamps, in particular to a screw clamp.
Background
The fixture is used to fix the machining object in the correct position during the machining process to accept the construction or detection. In a broad sense, any process in the process, a device for rapidly, conveniently and safely installing a workpiece can be called a fixture, and the current fixture clamping plates are controlled by a reciprocating screw, but the clamping plates on the existing screw fixture have the problems of abrasion on the surface, inconvenient disassembly and replacement or maintenance due to long-time use.
Disclosure of Invention
The utility model aims to provide a screw rod clamp, which solves the problems that the surface of a clamping plate on the existing screw rod clamp is worn and inconvenient to detach and replace or maintain due to long-time use.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the screw rod clamp comprises a base, a first vertical plate, a second vertical plate and a reciprocating screw rod, wherein a first circular groove is formed in the first vertical plate, a hard rubber ring is arranged in the first circular groove, a second circular groove is formed in the second vertical plate, a bearing is arranged in the second circular groove, one end of the reciprocating screw rod is arranged in the hard rubber ring, the other end of the reciprocating screw rod is arranged in an inner ring of the bearing, threaded sleeves are respectively sleeved on two sides of the reciprocating screw rod, limit grooves are formed in the base, limit blocks are respectively arranged on the threaded sleeves, and the limit blocks are respectively arranged in the limit grooves;
the screw sleeve is respectively provided with a mounting structure, and the mounting structure comprises a clamping plate, a mounting hole, a threaded hole and a bolt;
the mounting hole is formed in the clamping plate, the threaded hole is formed in the threaded sleeve, and the bolt penetrates through the mounting hole to be sleeved in the threaded hole.
Preferably, an L-shaped plate is arranged on the second vertical plate, a servo motor is arranged on the L-shaped plate, and an output shaft of the servo motor is connected to the reciprocating screw rod.
Preferably, the bearing is installed in the second circular groove through a clamping structure, the number of the clamping structures is not less than four, the clamping structures are distributed on the bearing in an annular equidistant manner, and the clamping structure comprises a clamping groove and a clamping block;
the clamping groove is formed in the second round groove, the clamping block is arranged on the bearing, and the clamping block is clamped in the clamping groove.
Preferably, the second vertical plate is provided with a transverse groove, and the L-shaped plate is inserted into the transverse groove.
Preferably, the L-shaped plate is limited in the transverse groove through a screwing structure, and the screwing structure comprises a thread groove and a screw;
the screw thread groove is formed in the transverse groove, the screw is sleeved in the screw thread groove, and the screw abuts against the L-shaped plate.
Preferably, the first vertical plate is mounted on the base, and the second vertical plate is mounted on the base.
Compared with the prior art, the utility model has the beneficial effects that: compared with the prior art, the screw rod clamp has the following advantages:
1. when the reciprocating screw rod rotates positively, the reciprocating screw rod rotates on the second vertical plate through the bearing, and meanwhile, the reciprocating screw rod rotates in the hard rubber ring, so that the threaded sleeve drives the limiting block to move along the limiting groove, the threaded sleeve drives the clamping plate to move synchronously, an external workpiece can be clamped, when the clamping plate is worn, the bolt is reversely screwed, the bolt leaves the threaded hole, the bolt is taken out from the mounting hole, and the worn clamping plate can be replaced or maintained.
2. When the reverse rotation screw moves upwards from the thread groove and leaves the L-shaped plate, the reciprocating screw rod moves outwards, the L-shaped plate leaves the transverse groove, the clamping block on the bearing leaves the clamping groove, the reciprocating screw rod leaves the hard rubber ring, the reciprocating screw rod penetrates out of the second circular groove, the thread bush drives the limiting block to move to the notch on the limiting groove, and at the moment, the thread bush can be screwed off from the reciprocating screw rod, and then the reciprocating screw rod is taken down for replacement.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the mounting holes, threaded holes and bolts of FIG. 1;
FIG. 3 is a schematic diagram of the structure of FIG. 1A;
fig. 4 is a schematic structural diagram of B in fig. 1.
In the figure: 1. the base, 2, first riser, 3, first circular slot, 4, mounting structure, 401, splint, 402, mounting hole, 403, screw hole, 404, bolt, 5, hard rubber circle, 6, second riser, 7, second circular slot, 8, bearing, 9, reciprocating lead screw, 10, thread bush, 11, stopper, 12, spacing groove, 13, servo motor, 14, L shaped plate, 15, horizontal groove, 16, thread groove, 17, screw, 18, joint structure, 19, draw-in groove, 20, fixture block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The components in the present case are sequentially connected by a person skilled in the art, and specific connection and operation sequence should be referred to the following working principle, and the detailed connection means thereof are known in the art, and the following working principle and process are mainly described.
The clamping plate on the existing screw rod clamp is worn on the surface due to long-time use, so that the screw rod clamp is inconvenient to detach, replace or maintain.
In view of this, the utility model provides a screw rod clamp, when the reciprocating screw rod is rotated in the forward direction, the reciprocating screw rod rotates on the second vertical plate through the bearing, and meanwhile, the reciprocating screw rod rotates in the hard rubber ring, so that the threaded sleeve drives the limiting block to move along the limiting groove, the threaded sleeve drives the clamping plate to move along, so that an external workpiece can be clamped, when the clamping plate is worn, the bolt is screwed reversely, the bolt leaves the threaded hole, the bolt is taken out from the mounting hole, and the worn clamping plate can be replaced or maintained.
Referring to fig. 1-4, the present utility model provides a technical solution: the screw rod clamp comprises a base 1, a first vertical plate 2, a second vertical plate 6 and a reciprocating screw rod 9, wherein a first circular groove 3 is formed in the first vertical plate 2, a hard rubber ring 5 is arranged in the first circular groove 3, a second circular groove 7 is formed in the second vertical plate 6, the inner diameter of the second circular groove 7 is larger than the diameter of the reciprocating screw rod 9, a bearing 8 is arranged in the second circular groove 7, one end of the reciprocating screw rod 9 is arranged in the hard rubber ring 5, the other end of the reciprocating screw rod 9 is arranged in an inner ring of the bearing 8, threaded sleeves 10 are respectively sleeved on two sides of the reciprocating screw rod 9, limit grooves 12 are formed in the base 1, limit blocks 11 are respectively arranged on the threaded sleeves 10, the limit blocks 11 are respectively arranged in the limit grooves 12, notches are respectively formed in two sides of the limit grooves 12, and the limit blocks 11 are driven to rotate by the threaded sleeves 10;
the reciprocating screw rod 9 is rotated in the forward direction, the reciprocating screw rod 9 rotates on the second vertical plate 6 through the bearing 8, meanwhile, the reciprocating screw rod 9 rotates in the hard rubber ring 5, the thread bush 10 drives the limiting block 11 to move in the same direction along the limiting groove 12, and conversely, when the reciprocating screw rod 9 is rotated in the reverse direction, the thread bush 10 moves in the same direction;
the threaded sleeve 10 is respectively provided with a mounting structure 4, and the mounting structure 4 comprises a clamping plate 401, a mounting hole 402, a threaded hole 403 and a bolt 404;
the mounting hole 402 is formed in the clamping plate 401, the threaded hole 403 is formed in the threaded sleeve 10, the bolt 404 penetrates through the mounting hole 402 and is sleeved in the threaded hole 403, the threaded sleeve 10 drives the clamping plate 401 to move together, an external workpiece can be clamped, when the clamping plate 401 is worn, the bolt 404 is reversely screwed, the bolt 404 leaves the threaded hole 403, the bolt 404 is taken out of the mounting hole 402, and the worn clamping plate 401 can be replaced or maintained.
An L-shaped plate 14 is arranged on the second vertical plate 6, a servo motor 13 is arranged on the L-shaped plate 14, the servo motor 13 is connected with the power to work, an output shaft of the servo motor 13 is connected to the reciprocating screw rod 9, and the output shaft of the servo motor 13 drives the reciprocating screw rod 9 to rotate positively and negatively.
The bearing 8 is arranged in the second circular groove 7 through clamping structures 18, the number of the clamping structures 18 is not less than four, the clamping structures 18 are distributed on the bearing 8 in an annular equidistant manner, and the clamping structures 18 comprise clamping grooves 19 and clamping blocks 20;
the clamping groove 19 is formed in the second round groove 7, the clamping block 20 is arranged on the bearing 8, and the clamping block 20 is clamped in the clamping groove 19.
A transverse groove 15 is formed in the second vertical plate 6, and the L-shaped plate 14 is inserted into the transverse groove 15;
the L-shaped plate 14 is limited in the transverse groove 15 through a screwing structure, and the screwing structure comprises a thread groove 16 and a screw 17;
the screw groove 16 is formed in the transverse groove 15, the screw 17 is sleeved in the screw groove 16, the screw 17 is abutted against the L-shaped plate 14, when the screw 17 reversely rotates to move upwards from the screw groove 16 and leave the L-shaped plate 14 to enable the reciprocating screw 9 to move outwards, the L-shaped plate 14 leaves the transverse groove 15, the clamping block 20 on the bearing 8 leaves the clamping groove to enable the reciprocating screw 9 to leave the hard rubber ring, the reciprocating screw 9 penetrates out of the second circular groove 7, the screw sleeve 10 drives the limiting block 11 to move to a notch on the limiting groove 12, at the moment, the screw sleeve 10 can be screwed off from the reciprocating screw 9, and the reciprocating screw 9 is taken down for replacement.
The first vertical plate 2 is installed on the base 1, and the second vertical plate 6 is installed on the base 1.
When the screw rod clamp is used, firstly, the output shaft of the servo motor 13 drives the reciprocating screw rod 9 to rotate positively, the reciprocating screw rod 9 rotates on the second vertical plate 6 through the bearing 8, meanwhile, the reciprocating screw rod 9 rotates in the hard rubber ring 5, the thread bush 10 drives the limiting block 11 to move along the limiting groove 12, the thread bush 10 drives the clamping plate 401 to move synchronously, an external workpiece can be clamped, when the clamping plate 401 is worn, the bolt 404 is reversely screwed, the bolt 404 leaves the threaded hole 403, the bolt 404 is taken out of the mounting hole 402, the worn clamping plate 401 can be replaced or maintained, when the clamping plate 401 is taken down, the reversely rotated screw 17 moves upwards from the thread groove 16, leaves the L-shaped plate 14, the reciprocating screw rod 9 moves outwards, the L-shaped plate 14 leaves the transverse groove 15, the clamping block 20 on the bearing 8 leaves the clamping groove, the reciprocating screw rod 9 leaves the hard rubber ring, the reciprocating screw rod 9 penetrates out of the second circular groove 7, the thread bush 10 drives the limiting block 11 to move to a notch on the limiting groove 12, at the moment, the thread bush 10 can be screwed off from the reciprocating screw rod 9, and the reciprocating screw rod 9 can be replaced.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a lead screw anchor clamps, includes base, first riser, second riser and reciprocal lead screw, its characterized in that: the first vertical plate is provided with a first circular groove, a hard rubber ring is arranged in the first circular groove, the second vertical plate is provided with a second circular groove, a bearing is arranged in the second circular groove, one end of the reciprocating screw rod is arranged in the hard rubber ring, the other end of the reciprocating screw rod is arranged in an inner ring of the bearing, two sides of the reciprocating screw rod are respectively sleeved with a threaded sleeve, a limit groove is arranged on the base, limit blocks are respectively arranged on the threaded sleeves, and the limit blocks are respectively arranged in the limit grooves; the screw sleeve is respectively provided with a mounting structure, and the mounting structure comprises a clamping plate, a mounting hole, a threaded hole and a bolt; the mounting hole is formed in the clamping plate, the threaded hole is formed in the threaded sleeve, and the bolt penetrates through the mounting hole to be sleeved in the threaded hole.
2. A screw clamp according to claim 1, wherein: the second vertical plate is provided with an L-shaped plate, the L-shaped plate is provided with a servo motor, and an output shaft of the servo motor is connected to the reciprocating screw rod.
3. A screw clamp according to claim 1, wherein: the bearing is arranged in the second circular groove through clamping structures, the number of the clamping structures is not less than four, the clamping structures are distributed on the bearing in an annular equidistant mode, and the clamping structures comprise clamping grooves and clamping blocks; the clamping groove is formed in the second round groove, the clamping block is arranged on the bearing, and the clamping block is clamped in the clamping groove.
4. A screw clamp according to claim 2, wherein: the second vertical plate is provided with a transverse groove, and the L-shaped plate is inserted into the transverse groove.
5. A lead screw fixture as defined in claim 4, wherein: the L-shaped plate is limited in the transverse groove through a screwing structure, and the screwing structure comprises a thread groove and a screw;
the screw thread groove is formed in the transverse groove, the screw is sleeved in the screw thread groove, and the screw abuts against the L-shaped plate.
6. A screw clamp according to claim 1, wherein: the first vertical plate is installed on the base, and the second vertical plate is installed on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321547265.4U CN219945349U (en) | 2023-06-16 | 2023-06-16 | Screw rod clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321547265.4U CN219945349U (en) | 2023-06-16 | 2023-06-16 | Screw rod clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219945349U true CN219945349U (en) | 2023-11-03 |
Family
ID=88548636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321547265.4U Active CN219945349U (en) | 2023-06-16 | 2023-06-16 | Screw rod clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219945349U (en) |
-
2023
- 2023-06-16 CN CN202321547265.4U patent/CN219945349U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |