CN220007558U - Clamp with automatic centering function - Google Patents
Clamp with automatic centering function Download PDFInfo
- Publication number
- CN220007558U CN220007558U CN202321661429.6U CN202321661429U CN220007558U CN 220007558 U CN220007558 U CN 220007558U CN 202321661429 U CN202321661429 U CN 202321661429U CN 220007558 U CN220007558 U CN 220007558U
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- plate
- fixed plate
- sides
- centering function
- roller
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- 230000002457 bidirectional effect Effects 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a clamp with an automatic centering function, which comprises a fixed plate, wherein an extension plate is arranged at the bottom of the front end of the fixed plate, side plates are arranged on two sides of the fixed plate, two lifting plates are slidably arranged between the two side plates, a reciprocating assembly is arranged between the two lifting plates, a first roller is rotatably arranged at the bottom of one lifting plate, a trapezoid block is arranged at the top of the other lifting plate, a sliding block is arranged at the top of the trapezoid block, a second roller is rotatably arranged at the top of the sliding block, swing arms are rotatably arranged on two sides of the front end of the fixed plate, a third roller and a fourth roller are rotatably arranged at two ends of each swing arm, and the fourth roller is in contact with the trapezoid block. Through the arrangement, the workpiece clamping device can firmly clamp workpieces, can adapt to the workpieces with different diameters, and ensures that the center heights of the workpieces with different diameters are consistent all the time so as to position and process the centers of the workpieces with different diameters.
Description
Technical Field
The utility model relates to a clamp with an automatic centering function.
Background
For clamps used for cylindrical workpieces (such as steel pipes), most clamps do not have an automatic centering function, namely workpieces with different diameters are clamped and fixed through the clamps, and the heights of central axes of the workpieces with different diameters are inconsistent, so that the centers of the workpieces with different diameters are inconvenient to position (the positions of the workpieces need to be continuously adjusted), the machining process of the centers of the workpieces with different diameters is affected, and the clamp has certain limitation.
It is therefore necessary to provide a clamp with self-centering function for solving the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a clamp with an automatic centering function so as to solve the problems in the background art.
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model provides a fixture with automatic centering function, includes the fixed plate, fixed plate front end bottom is provided with the extension board, the fixed plate both sides all are provided with the curb plate, two slidable mounting has two lifter plates between the curb plate, two be provided with reciprocating assembly between the lifter plate, one lifter plate bottom rotates installs first gyro wheel, another the lifter plate top is provided with trapezoidal piece, trapezoidal piece top is provided with the slider, the slider top rotates installs the second gyro wheel, the rocker arm is all rotated to fixed plate front end both sides, rocker arm both ends rotate respectively and install third gyro wheel and fourth gyro wheel, fourth gyro wheel contacts with trapezoidal piece.
Preferably, the both sides of fixed plate front end all are provided with the bar piece, bar piece one side is provided with reset spring, the swing arm passes through reset spring and links to each other with the bar piece.
Preferably, the front end of the fixed plate is provided with a mounting block, and the mounting block is sleeved on the sliding block in a sliding manner.
Preferably, the reciprocating assembly comprises two bidirectional screw rods and a hand wheel, the two bidirectional screw rods are respectively rotatably mounted on two sides of the top of the extension plate, the two lifting plates are respectively sleeved with the threads of the bidirectional screw rods in two opposite directions through threads on the bidirectional screw rods, the hand wheel is rotatably mounted on the bottom of the extension plate, and the hand wheel is in transmission connection with the bidirectional screw rods.
Preferably, two the extension board is run through to two-way lead screw bottoms and all are connected with driven gear, the fixed driving gear that has cup jointed of hand wheel outer wall, driving gear both sides are connected with two driven gear meshing respectively.
The beneficial effects of the utility model are as follows: the cylindrical workpiece is inserted between the first roller and the second roller from front to back, the rotating hand wheel drives the two lifting plates to be close to each other, the first roller and the second roller are driven to be close to each other until the lifting plates respectively contact the top and the bottom of the workpiece, the lifting plates below the lifting plates move upwards, the swinging arms on two sides are driven to rotate, so that the third rollers on two sides are close to each other, the left and right sides of the workpiece are clamped, the workpiece can be stably clamped through the arrangement, the workpieces with different diameters can be self-adapted through the arrangement of the movement of the different rollers, and the central heights of the workpieces with different diameters are consistent all the time, so that the centers of the workpieces with different diameters are positioned and machined, and the application range of the clamp is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, but are not intended to limit the scope of the present utility model.
FIG. 1 is a schematic diagram of a structure provided by the present utility model;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1 according to the present utility model;
fig. 3 is an enlarged view of a portion a in fig. 1 provided by the present utility model.
Wherein, 1, a fixing plate; 2. an extension plate; 3. a side plate; 4. a lifting plate; 5. a first roller; 6. a trapezoid block; 7. a slide block; 8. a second roller; 9. swing arms; 10. a third roller; 11. a fourth roller; 12. a bar block; 13. a return spring; 14. a reciprocating assembly; 141. a two-way screw rod; 1411. a driven gear; 142. a hand wheel; 1421. a drive gear; 15. and (5) installing a block.
Detailed Description
Referring to fig. 1 to 3, a fixture with automatic centering function includes a fixing plate 1, an extension plate 2 is arranged at the bottom of the front end of the fixing plate 1, side plates 3 are arranged at two sides of the fixing plate 1, two lifting plates 4 are slidably mounted between the side plates 3, a reciprocating assembly 14 is arranged between the two lifting plates 4, a first roller 5 is rotatably mounted at the bottom of the lifting plate 4, a trapezoid block 6 is arranged at the top of the lifting plate 4, a sliding block 7 is arranged at the top of the trapezoid block 6, a second roller 8 is rotatably mounted at the top of the sliding block 7, a swinging arm 9 is rotatably mounted at two sides of the front end of the fixing plate 1, a third roller 10 and a fourth roller 11 are rotatably mounted at two ends of the swinging arm 9 respectively, and the fourth roller 11 is in contact with the trapezoid block 6.
Further, the two sides of the front end of the fixed plate 1 are respectively provided with a bar block 12, one side of each bar block 12 is provided with a return spring 13, and the swinging arm 9 is connected with the bar block 12 through the return springs 13.
When the trapezoid block 6 moves up and then descends, the swing arm 9 is reset by the reset spring 13.
Further, the front end of the fixed plate 1 is provided with a mounting block 15, and the mounting block 15 is in sliding sleeve connection with the sliding block 7.
Through setting up of installation piece 15 and slider 7 to carry out vertical spacing to slider 7, guaranteed the ride comfort of slider 7 top second gyro wheel 8 vertical movement.
Further, the reciprocating assembly 14 includes two bidirectional screw rods 141 and a hand wheel 142, the two bidirectional screw rods 141 are provided with two bidirectional screw rods 141, the two bidirectional screw rods 141 are respectively rotatably mounted on two sides of the top of the extension plate 2, the two lifting plates 4 are respectively in threaded sleeve connection with the bidirectional screw rods 141 through threads in two opposite directions on the bidirectional screw rods 141, the hand wheel 142 is rotatably mounted on the bottom of the extension plate 2, and the hand wheel 142 is in transmission connection with the bidirectional screw rods 141.
The hand wheel 141 is rotated to drive the bidirectional screw rod 141 to rotate, so as to drive the upper lifting plate 4 and the lower lifting plate 4 to be close to each other or far away from each other according to the field of screw transmission, thereby adjusting the distance between the first roller 5 and the second roller 8.
Further, the bottoms of the two bidirectional screw rods 141 penetrate through the extension plate 2 and are both connected with driven gears 1411, the outer wall of the hand wheel 142 is fixedly sleeved with a driving gear 1421, and two sides of the driving gear 1421 are respectively meshed with the two driven gears 1411.
The hand wheel 142 is rotated to drive the driving gear 1421, and the driving gear 1421 is meshed with the two driven gears 1411 to drive the bidirectional screw rods 141 on two sides to synchronously rotate, so that the stability of vertical movement of the lifting plate 4 is improved.
When the clamp is used, a cylindrical workpiece is inserted between the first roller 5 and the second roller 8 from front to back, the hand wheel 142 is rotated to drive the two lifting plates 2 to be close to each other, the first roller 5 and the second roller 8 are further driven to be close to each other until the lifting plates 2 are respectively contacted with the top and the bottom of the workpiece, the lower lifting plates 2 are moved upwards to drive the trapezoid blocks 6 to move upwards along with the trapezoid blocks, wherein the inclined surfaces of the trapezoid blocks 6 are contacted with the fourth roller 11, so that the swinging arms 9 on two sides are driven to rotate, the third rollers 10 on two sides are close to each other, the left side and the right side of the workpiece are clamped, the workpieces with different diameters can be stably clamped through the arrangement, the center heights of the workpieces with different diameters are consistent all the time, the centers of the workpieces with different diameters are positioned and machined, and the application range of the clamp is improved.
The above is merely a specific embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions that do not undergo the inventive work should be covered in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.
Claims (5)
1. A fixture with self-centering function, characterized in that: including the fixed plate, fixed plate front end bottom is provided with the extension board, the fixed plate both sides all are provided with the curb plate, two slidable mounting has two lifter plates between the curb plate, two be provided with reciprocating assembly between the lifter plate, one the lifter plate bottom rotates installs first gyro wheel, and another the lifter plate top is provided with trapezoidal piece, trapezoidal piece top is provided with the slider, the slider top rotates installs the second gyro wheel, the rocker arm is all rotated to fixed plate front end both sides, rocker arm both ends rotate respectively and install third gyro wheel and fourth gyro wheel, the fourth gyro wheel contacts with trapezoidal piece.
2. A clamp with self-centering function as claimed in claim 1, wherein: the fixed plate front end both sides all are provided with the bar piece, bar piece one side is provided with reset spring, the swing arm passes through reset spring and links to each other with the bar piece.
3. A clamp with self-centering function as claimed in claim 1, wherein: the front end of the fixed plate is provided with a mounting block which is sleeved on the sliding block in a sliding way.
4. A clamp with self-centering function as claimed in claim 1, wherein: the reciprocating assembly comprises two bidirectional screw rods and a hand wheel, wherein the two bidirectional screw rods are respectively rotatably installed on two sides of the top of the extension plate, the two lifting plates are respectively sleeved with the threads of the bidirectional screw rods in two opposite directions through threads on the bidirectional screw rods, the hand wheel is rotatably installed at the bottom of the extension plate, and the hand wheel is in transmission connection with the bidirectional screw rods.
5. The fixture with self-centering function of claim 4, wherein: two the extension board is run through to two-way lead screw bottoms and all are connected with driven gear, the fixed driving gear that has cup jointed of hand wheel outer wall, driving gear both sides are connected with two driven gears meshing respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321661429.6U CN220007558U (en) | 2023-06-28 | 2023-06-28 | Clamp with automatic centering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321661429.6U CN220007558U (en) | 2023-06-28 | 2023-06-28 | Clamp with automatic centering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220007558U true CN220007558U (en) | 2023-11-14 |
Family
ID=88673758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321661429.6U Active CN220007558U (en) | 2023-06-28 | 2023-06-28 | Clamp with automatic centering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220007558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117553734A (en) * | 2024-01-10 | 2024-02-13 | 国网湖北省电力有限公司技术培训中心 | Central axis deviation sensing mechanism with self-adaption of different axes and diameters |
-
2023
- 2023-06-28 CN CN202321661429.6U patent/CN220007558U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117553734A (en) * | 2024-01-10 | 2024-02-13 | 国网湖北省电力有限公司技术培训中心 | Central axis deviation sensing mechanism with self-adaption of different axes and diameters |
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