CN222405229U - A special fixture for machining - Google Patents
A special fixture for machining Download PDFInfo
- Publication number
- CN222405229U CN222405229U CN202323490165.5U CN202323490165U CN222405229U CN 222405229 U CN222405229 U CN 222405229U CN 202323490165 U CN202323490165 U CN 202323490165U CN 222405229 U CN222405229 U CN 222405229U
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- clamping block
- movable plate
- support column
- rack
- fixedly connected
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- 238000003754 machining Methods 0.000 title claims abstract description 22
- 230000000694 effects Effects 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
本实用新型涉及机加工卡具技术领域，公开了一种机加工专用卡具，包括底座和支撑柱，底座的一侧设置有电机，支撑柱的一侧设置有第一夹块，第一夹块的一端固定式连接有第一活动板，第一活动板活动式连接在支撑柱的内部，第一活动板的底部固定式连接有第一齿条，第一齿条的底部啮合式连接有齿轮，齿轮的一侧固定式连接有活动杆，活动杆的一端固定式连接有把手，第一夹块的一侧设置有第二夹块，通过转动把手，将带动活动杆和齿轮转动，齿轮转动将分别带动第一齿条和第二齿条错位远离，第一齿条将带动第一活动板和第一夹块移动，第二齿条将带动第二活动板和第二夹块移动，使第一夹块和第二夹块相互远离，从而可以夹持不同尺寸的滑动轴承。
The utility model relates to the technical field of machining fixtures, and discloses a special fixture for machining, comprising a base and a support column, wherein a motor is arranged on one side of the base, a first clamping block is arranged on one side of the support column, one end of the first clamping block is fixedly connected with a first movable plate, the first movable plate is movably connected inside the support column, the bottom of the first movable plate is fixedly connected with a first rack, the bottom of the first rack is meshingly connected with a gear, one side of the gear is fixedly connected with a movable rod, one end of the movable rod is fixedly connected with a handle, and a second clamping block is arranged on one side of the first clamping block, the movable rod and the gear are driven to rotate by rotating the handle, the rotation of the gear will respectively drive the first rack and the second rack to be displaced away from each other, the first rack will drive the first movable plate and the first clamping block to move, the second rack will drive the second movable plate and the second clamping block to move, so that the first clamping block and the second clamping block are moved away from each other, so that sliding bearings of different sizes can be clamped.
Description
Technical Field
The utility model relates to the technical field of machining clamps, in particular to a special clamp for machining.
Background
In modern mechanical manufacturing, machining is the most widely used machining mode, but all parts with higher precision requirements or finer surface roughness requirements need to be machined on a machine tool. At present, most of tool clamps used for machining on a machine tool are manually operated, the structure is simple, clamping is difficult to be performed on parts with irregular shapes, clamping force for manually clamping each time is difficult to be kept consistent, and product quality is difficult to ensure, so that the scientific and reasonable clamp is very important.
The utility model discloses a special fixture for machining an inner oil groove of a sliding bearing in China patent with publication number of CN217071605U, which belongs to the technical field of machining fixtures, and is characterized in that through the structure of a bidirectional screw rod, clamping plates at two sides and a fixed block are controlled to move oppositely, the moving distances of the clamping plates at two sides are the same, after the sliding bearing is fixed by the fixture, the sliding bearing is kept at the center above a base, the sliding bearing is convenient to machine the inner oil groove, the sliding bearing is clamped and fixed by an elastic telescopic structure of the clamping plates, the inner wall of the inner end part of the clamping plate is provided with a bevel edge, two sides of the sliding bearing are convenient to insert into the clamping plates, the clamping efficiency is improved, and two ends of the sliding bearing are propped against by two side propping rods, so that left and right shaking of the sliding bearing is avoided, and deviation in machining of the inner oil groove is caused.
The inventor considers that the prior art has the defect that since the clamp plate is fixed in size, when the size of the sliding bearing is required to be oversized, two sides of the sliding bearing cannot be inserted into the clamp plate to be clamped, so that the clamp has low applicability.
Disclosure of utility model
In order to solve the technical problems that the prior clamping plates are fixed in size, and when the size of the sliding bearing is required to be oversized, two sides of the sliding bearing cannot be inserted into the clamping plates to be clamped, so that the clamp is not high in applicability.
The special fixture for machining comprises a base and support columns, wherein one side of the base is provided with a motor, one end of the motor is fixedly connected with a bidirectional threaded rod, the bidirectional threaded rod is rotatably connected to an inner groove of the base, the bottoms of the support columns are positioned in the inner groove of the base, the bottoms of the two support columns are connected to two ends of the bidirectional threaded rod in a threaded mode, one side of the support column is provided with a first clamping block, one end of the first clamping block is fixedly connected with a first movable plate, the first movable plate is movably connected to the inside of the support column, the bottom of the first movable plate is fixedly connected with a first rack, the bottom of the first rack is in meshed connection with a gear, one side of the gear is fixedly connected with a movable rod, and one end of the movable rod is fixedly connected with a handle;
One side of the first clamping block is provided with a second clamping block, one end of the second clamping block is fixedly connected with a second movable plate, the top of the second movable plate is fixedly connected with a second rack, and the top of the second rack is connected with the bottom of the gear in a meshed mode.
Preferably, the first clamping block and the second clamping block are symmetrical semi-cylindrical, and outer ends of the first clamping block and the second clamping block are processed into oblique cuts.
Preferably, the top of the first movable plate and the bottom of the second movable plate are both processed with first sliding blocks, the inside of the support column is processed with first sliding grooves, and the first sliding blocks are movably connected in the first sliding grooves.
Preferably, the first movable plate and one side of the second movable plate are fixedly connected with a second sliding block, a second sliding groove is machined in the support column, and the second sliding block is movably connected in the second sliding groove.
Preferably, one end of the movable rod is rotatably connected to the inside of the support column, and the other end of the movable rod is located outside the support column.
Preferably, a limit column is movably connected in one end of the handle, a plurality of limit holes are formed in one side of the support column, and one end of the limit column is connected in the limit holes in a plug-in mode.
Preferably, one end of the limiting post is fixedly connected with a limiting block, and a reset spring is arranged outside one end of the limiting post.
Preferably, one end of the return spring is fixedly connected to the outside of the handle, and the other end of the return spring is fixedly connected to the inner side of the limiting block.
Compared with the prior art, the utility model has the beneficial effects that:
When the sliding bearing is used, the handle is rotated to drive the movable rod to rotate, the movable rod is rotated to drive the gear to rotate, the gear rotates to drive the first rack and the second rack to be dislocated and far away, the first rack drives the first movable plate and the first clamping block to move, the second rack drives the second movable plate and the second clamping block to move, and the first clamping block and the second clamping block are far away from each other, so that sliding bearings with different sizes can be clamped, and the sliding bearing is simple and convenient to operate.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a connecting structure diagram of a second slider and a second chute of the present utility model;
FIG. 3 is a cross-sectional view of the inner layer of the support post of the present utility model;
Fig. 4 is an enlarged schematic view of the portion a of fig. 1 according to the present utility model.
In the figure, 1, a base; 2, a support column, 3, a first clamping block, 4, a second clamping block, 5, a first movable plate, 6, a second movable plate, 7, a bidirectional threaded rod, 8, a motor, 9, a handle, 10, a movable rod, 11, a gear, 12, a first rack, 13, a second rack, 14, a first sliding block, 15, a first sliding groove, 16, a second sliding block, 17, a second sliding groove, 18, a limiting hole, 19, a limiting column, 20, a return spring, 21 and a limiting block.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Referring to fig. 1-4, a fixture special for machining in this embodiment includes a base 1 and a support column 2, wherein one side of the base 1 is provided with a motor 8, one end of the motor 8 is fixedly connected with a bidirectional threaded rod 7, the bidirectional threaded rod 7 is rotatably connected at an internal groove of the base 1, the bottom of the support column 2 is positioned at the internal groove of the base 1, the bottoms of the two support columns 2 are in threaded connection with two ends of the bidirectional threaded rod 7, one side of the support column 2 is provided with a first clamping block 3, one end of the first clamping block 3 is fixedly connected with a first movable plate 5, the first movable plate 5 is movably connected inside the support column 2, the bottom of the first movable plate 5 is fixedly connected with a first rack 12, the bottom of the first rack 12 is in meshed connection with a gear 11, one side of the gear 11 is fixedly connected with a movable rod 10, one end of the movable rod 10 is fixedly connected with a handle 9, one side of the first clamping block 3 is provided with a second clamping block 4, one end of the second clamping block 4 is fixedly connected with a second movable plate 6, the top of the second movable plate 6 is in meshed connection with a second rack 13, and the top of the second clamping block 4 is in meshed connection with the bottom of the gear 11;
When the sliding bearing needs to be clamped, the motor 8 is started, the motor 8 drives the bidirectional threaded rod 7 to rotate, the bidirectional threaded rod 7 drives the two support columns 2 to approach each other, and the two support columns 2 respectively drive the two first clamping blocks 3 and the two second clamping blocks 4 to approach each other so as to clamp the sliding bearing;
Secondly, when a sliding bearing with a larger size needs to be clamped, the handle 9 is rotated, the handle 9 drives the movable rod 10 to rotate, the movable rod 10 rotates to drive the gear 11 to rotate, the gear 11 rotates to drive the first rack 12 and the second rack 13 to move respectively, the first rack 12 and the second rack 13 are far away in a dislocation manner, the first rack 12 drives the first movable plate 5 to move, so that the first movable plate 5 drives the first clamping block 3 to move, the second rack 13 drives the second movable plate 6 to move, so that the second movable plate 6 drives the second clamping block 4 to move, and the first clamping block 3 and the second clamping block 4 are far away from each other;
Further, the first clamping block 3 and the second clamping block 4 are in symmetrical semi-cylindrical shapes, the outer ends of the first clamping block 3 and the second clamping block 4 are processed into oblique cuts, a sliding bearing is transversely clamped between the first clamping block 3 and the second clamping block 4 for fixing, and two ends of the sliding bearing extend into the first clamping block 3 and the second clamping block 4 to contact with the oblique cuts;
Further, the top of the first movable plate 5 and the bottom of the second movable plate 6 are both provided with a first sliding block 14, the inside of the support column 2 is provided with a first sliding groove 15, the first sliding block 14 is movably connected in the first sliding groove 15, and when the first movable plate 5 and the second movable plate 6 move, the first movable plate 5 and the second movable plate 6 drive the first sliding block 14 to move in the first sliding groove 15, so that the moving positions of the first movable plate 5 and the second movable plate 6 can be limited, and the first movable plate 5 and the second movable plate 6 are prevented from being separated from the inside of the support column 2;
Further, a second sliding block 16 is fixedly connected to one side of the first movable plate 5 and one side of the second movable plate 6, a second sliding groove 17 is formed in the support column 2, the second sliding block 16 is movably connected to the inside of the second sliding groove 17, and when the first movable plate 5 and the second movable plate 6 move, the first movable plate 5 and the second movable plate 6 drive the second sliding block 16 to move in the inside of the second sliding groove 17 through the second sliding block 16, so that the movement of the first movable plate 5 and the second movable plate 6 can be limited, and the first movable plate 5 and the second movable plate 6 can be kept in a stable state when moving;
Further, a limit post 19 is movably connected to the inside of one end of the handle 9, a plurality of limit holes 18 are formed in one side of the support column 2, one end of the limit post 19 is connected to the inside of the limit hole 18 in a plug-in mode, when the position adjustment of the first clamping block 3 and the second clamping block 4 is completed, the limit post 19 is plugged into the inside of the limit hole 18, so that the rotation of the handle 9 can be limited, and the positions of the first clamping block 3 and the second clamping block 4 can be fixed;
Further, the one end fixed connection of spacing post 19 has stopper 21, the one end outside of spacing post 19 is provided with reset spring 20, reset spring 20's one end fixed connection is in the outside of handle 9, reset spring 20's the other end fixed connection is in the inboard of stopper 21, when needs rotate handle 9, pulling stopper 21, stopper 21 will drive spacing post 19 outwards activity, make spacing post 19 break away from the inside of spacing hole 18, reset spring 20 will extend simultaneously, when needs fixed handle 9, loosen stopper 21, reset spring 20 will reset and contract, reset spring 20 will stimulate stopper 21 activity, thereby make stopper 21 drive spacing post 19 grafting into the inside of spacing hole 18.
When the sliding bearing needs to be clamped, the motor 8 is started, the motor 8 drives the bidirectional threaded rod 7 to rotate, the bidirectional threaded rod 7 drives the two support columns 2 to approach each other, the two support columns 2 clamp the sliding bearing through the two first clamping blocks 3 and the second clamping blocks 4, when the sliding bearing with a larger size needs to be clamped, the limiting block 21 is pulled firstly, the limiting block 21 drives the limiting column 19 to move outwards, the limiting column 19 is separated from the inside of the limiting hole 18, then the handle 9 is rotated, the handle 9 drives the movable rod 10 to rotate, the movable rod 10 rotates to drive the gear 11 to rotate, the gear 11 rotates to drive the first rack 12 and the second rack 13 to move away from each other in a dislocation mode, the first rack 12 drives the first movable plate 5 and the first clamping blocks 3 to move, and the second rack 13 drives the second movable plate 6 and the second clamping blocks 4 to move away from each other, and the first clamping blocks 3 and the second clamping blocks 4 are further separated from each other.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (8)
1. The utility model provides a special fixture of machining, includes base (1) and support column (2), a serial communication port, one side of base (1) is provided with motor (8), the one end fixed connection of motor (8) has two-way threaded rod (7), the inside recess department at base (1) is connected to two-way threaded rod (7) rotation type, the bottom of support column (2) is located the inside recess of base (1), two the bottom thread connection of support column (2) is at the both ends of two-way threaded rod (7), one side of support column (2) is provided with first clamp splice (3), the one end fixed connection of first clamp splice (3) has first fly leaf (5), the inside at support column (2) is connected to first fly leaf (5) activity, the bottom fixed connection of first fly leaf (5) has first rack (12), the bottom meshing of first rack (12) is connected with gear (11), one side fixed connection of gear (11) has fly leaf (10), one end fixed connection of fly leaf (10) has handle (9).
One side of the first clamping block (3) is provided with a second clamping block (4), one end of the second clamping block (4) is fixedly connected with a second movable plate (6), the top of the second movable plate (6) is fixedly connected with a second rack (13), and the top of the second rack (13) is connected with the bottom of the gear (11) in a meshed mode.
2. A special fixture for machining according to claim 1, characterized in that the first clamping block (3) and the second clamping block (4) are symmetrical semi-cylindrical, and the outer ends of the first clamping block (3) and the second clamping block (4) are machined into oblique cuts.
3. The special fixture of machining according to claim 1, wherein the top of the first movable plate (5) and the bottom of the second movable plate (6) are both provided with first sliding blocks (14), the inside of the support column (2) is provided with first sliding grooves (15), and the first sliding blocks (14) are movably connected in the first sliding grooves (15).
4. The special fixture of machining according to claim 1, wherein a second sliding block (16) is fixedly connected to one side of the first movable plate (5) and one side of the second movable plate (6), a second sliding groove (17) is machined in the support column (2), and the second sliding block (16) is movably connected to the inside of the second sliding groove (17).
5. A special fixture for machining according to claim 1, characterized in that one end of the movable rod (10) is rotatably connected inside the support column (2), and the other end of the movable rod (10) is located outside the support column (2).
6. The special fixture of machining according to claim 1, wherein a limit post (19) is movably connected to one end of the handle (9), a plurality of limit holes (18) are formed in one side of the support post (2), and one end of the limit post (19) is connected to the inside of the limit hole (18) in a plug-in mode.
7. The fixture special for machining according to claim 6, wherein one end of the limiting post (19) is fixedly connected with a limiting block (21), and a return spring (20) is arranged outside one end of the limiting post (19).
8. The fixture for machining according to claim 7, wherein one end of the return spring (20) is fixedly connected to the outside of the handle (9), and the other end of the return spring (20) is fixedly connected to the inside of the stopper (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323490165.5U CN222405229U (en) | 2023-12-21 | 2023-12-21 | A special fixture for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323490165.5U CN222405229U (en) | 2023-12-21 | 2023-12-21 | A special fixture for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222405229U true CN222405229U (en) | 2025-01-28 |
Family
ID=94352277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323490165.5U Active CN222405229U (en) | 2023-12-21 | 2023-12-21 | A special fixture for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222405229U (en) |
-
2023
- 2023-12-21 CN CN202323490165.5U patent/CN222405229U/en active Active
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