CN219562821U - Eccentric part clamp with adjustable eccentricity - Google Patents
Eccentric part clamp with adjustable eccentricity Download PDFInfo
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- CN219562821U CN219562821U CN202320768871.2U CN202320768871U CN219562821U CN 219562821 U CN219562821 U CN 219562821U CN 202320768871 U CN202320768871 U CN 202320768871U CN 219562821 U CN219562821 U CN 219562821U
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- eccentric
- clamping seat
- plate
- eccentricity
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Abstract
The utility model discloses an eccentric part clamp with adjustable eccentricity, which comprises a clamping seat, a linkage plate and a clamping plate. The beneficial effects of the utility model are as follows: the two ends of the eccentric shaft are respectively clamped and locked by the aid of the two groups of clamping mechanisms, a worker can properly adjust the eccentric distances of the upper clamping mechanism and the lower clamping mechanism according to the actual type of the eccentric shaft, the driving gear is driven to rotate by the aid of the servo motor during adjustment, racks are meshed and linked, the upper clamping seat and the lower clamping seat integrally synchronously move reversely, rough adjustment of the eccentric distances of the two clamping seats is achieved, after adjustment is finished, the worker can drive the sliding block to conduct threaded linkage through the rotating screw rod, the clamping seats are moved, accurate adjustment of the positions of the clamping seats is achieved, and the clamp can be suitable for clamping and locking operations of eccentric shafts of different types by the aid of the two groups of eccentric distance adjusting mechanisms, so that the worker can adjust the eccentric distances rapidly and accurately.
Description
Technical Field
The utility model relates to a clamp, in particular to an eccentric part clamp with adjustable eccentricity, and belongs to the technical field of clamps.
Background
The fixture is a device for fixing a processing object in a mechanical manufacturing process so as to occupy a correct position to accept construction or detection, is also called a fixture, needs to use a special fixture for different products, needs to process and fix an eccentric shaft when finishing eccentric shaft parts, has different specifications and eccentric distances for the eccentric shaft on different devices, needs to replace fixtures with different eccentric distances when producing and processing, and has complex operation and lower production efficiency.
Although in the eccentric part fixture with adjustable eccentricity disclosed in patent number CN217192652U, the eccentricity can be adjusted by moving the position of the sliding block, so that the problems that the eccentric part fixture with different eccentricities is required to be replaced during production and processing, the operation is complicated and the production efficiency is low are solved, but the eccentric part fixture is not suitable for the clamping of eccentric parts, and can only be roughly adjusted when the eccentricity of the fixture is adjusted, namely, the eccentric part fixture cannot be accurately adjusted by manually moving the sliding block.
Disclosure of Invention
The technical scheme of the utility model aims at solving the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly aims at solving the defects in the prior art, and provides an eccentric part clamp with adjustable eccentricity.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an eccentric part fixture with adjustable eccentricity comprising:
an eccentric shaft;
the clamping mechanism is used for clamping and locking the eccentric shaft and comprises a clamping seat, a linkage plate, clamping plates, an extrusion block and a limiting rod, wherein a rectangular notch is formed in the clamping seat in a penetrating manner, the limiting rod is arranged on two sides of the notch, the linkage plate is connected to the clamping seat in a sliding manner, one end of the clamping plate is connected with the linkage plate in a sliding manner, the notch is formed in the clamping rod, the limiting rod is clamped in the notch, the eccentric shaft is extruded and locked between two adjacent clamping plates, the extrusion block is eccentrically and rotatably connected to the clamping seat, and the extrusion block is positioned on one side of the linkage plate;
the rough adjusting mechanism is used for roughly adjusting the eccentricity of the clamp and is connected to the clamping mechanism, and comprises support plates, racks, servo motors and driving gears, wherein the support plates are symmetrically arranged on two sides of a clamping seat and are in sliding connection with each other, the servo motors are fixed on one side of one support plate, the driving gears are fixed on an output shaft of the servo motors, the racks are arranged at one end of the clamping seat, and the two driving gears are symmetrically arranged up and down and meshed with the driving gears;
the precise adjusting mechanism is used for precisely adjusting the eccentricity of the clamp and is connected to the rough adjusting mechanism, the precise adjusting mechanism comprises a sliding block and a screw rod, the sliding block is fixed at one end of the clamping seat and is provided with a screw hole in a penetrating mode, the sliding connection of the sliding block is arranged in a notch arranged at the back of the rack, and the screw rod is rotationally connected in the notch and in threaded connection with the sliding block.
As still further aspects of the utility model: the side wall of the clamping seat is provided with a clamping block, a guide rail is horizontally fixed on the supporting plate, and the clamping block is in sliding clamping connection with the guide rail.
As still further aspects of the utility model: and return springs are arranged at two ends of the linkage plate, and one ends of the return springs are connected to the clamping seats.
As still further aspects of the utility model: the outer surface of the extrusion block and the side wall of the linkage plate are roughened.
As still further aspects of the utility model: notch slope on the splint sets up, and the outside rotation of gag lever post is connected with the rotary drum, and rotary drum and notch one side butt.
As still further aspects of the utility model: the extrusion block is fixed with a handle which is in an elliptic structure, and the surface of the extrusion block is glued with a rubber pad.
The beneficial effects of the utility model are as follows:
the two ends of the eccentric shaft are respectively clamped and locked by the aid of the two groups of clamping mechanisms, a worker can properly adjust the eccentric distances of the upper clamping mechanism and the lower clamping mechanism according to actual types of the eccentric shaft, the driving gear is driven to rotate by the aid of the servo motor during adjustment, racks are meshed and linked, the upper clamping seat and the lower clamping seat integrally synchronously move reversely, rough adjustment of the eccentric distances of the two clamping seats is achieved, after adjustment is finished, the worker can drive the sliding block to conduct threaded linkage through the rotating screw rod, the clamping seats are moved, accurate adjustment of the positions of the clamping seats is achieved, the clamp can be suitable for clamping and locking operation of eccentric shafts of different types through the aid of the two groups of eccentric distance adjusting mechanisms, the worker can adjust the eccentric distances rapidly and accurately, and working efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the driving gear and its overall connection structure according to the present utility model;
FIG. 3 is a schematic view of the overall structure of the clamping seat according to the present utility model;
fig. 4 is a schematic cross-sectional view of a rack according to the present utility model.
In the figure: 1. clamping seat, 2, linkage board, 3, splint, 4, extrusion piece, 5, reset spring, 6, gag lever post, 7, fixture block, 8, backup pad, 9, guide rail, 10, rack, 11, servo motor, 12, driving gear, 13, slider, 14, lead screw, 15, eccentric shaft.
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.
Example 1
As shown in fig. 1 to 4, an eccentric part holder with adjustable eccentricity, comprising:
an eccentric shaft 15;
the clamping mechanism is used for clamping and locking the eccentric shaft 15 and comprises a clamping seat 1, a linkage plate 2, clamping plates 3, an extrusion block 4 and a limiting rod 6, wherein a rectangular notch is formed in the clamping seat 1 in a penetrating manner, the limiting rod 6 is arranged on two sides of the notch, the linkage plate 2 is connected to the clamping seat 1 in a sliding manner, one end of the clamping plate 3 is connected with the linkage plate 2 in a sliding manner, the notch is formed in the clamping plate, the limiting rod 6 is clamped in the notch, the eccentric shaft 15 is extruded and locked between two adjacent clamping plates 3, and the extrusion block 4 is connected to the clamping seat 1 in an eccentric rotation manner and is positioned on one side of the linkage plate 2;
the rough adjusting mechanism is used for roughly adjusting the eccentricity of the clamp and is connected to the clamping mechanism, and comprises support plates 8, racks 10, servo motors 11 and driving gears 12, wherein the support plates 8 are symmetrically arranged on two sides of the clamping seat 1 and are in sliding connection with each other, the servo motors 11 are fixed on one side of one support plate 8, the driving gears 12 are fixed on an output shaft of each servo motor 11, the racks 10 are arranged at one end of the clamping seat 1, and the two driving gears 12 are symmetrically arranged up and down and meshed with each other;
the precise adjusting mechanism is used for precisely adjusting the eccentricity of the clamp and is connected to the rough adjusting mechanism, and comprises a sliding block 13 and a screw rod 14, wherein the sliding block 13 is fixed at one end of the clamping seat 1 and is provided with a screw hole in a penetrating way, the sliding block is connected in a notch arranged at the back of the rack 10 in a sliding way, and the screw rod 14 is rotationally connected in the notch and is in threaded connection with the sliding block 13;
the two ends of the eccentric shaft 15 are respectively clamped and locked by arranging two groups of clamping mechanisms in the clamp, a worker can properly adjust the eccentric distances of the upper and lower groups of clamping mechanisms according to the actual type of the eccentric shaft 15, when the eccentric shaft 15 is adjusted, the driving gear 12 is driven to rotate by the servo motor 11, so that the rack 10 is meshed and linked, the upper and lower clamping seats 1 integrally synchronously and reversely move, rough adjustment of the eccentric distances of the two clamping seats 1 is realized, after the adjustment is finished, the worker can drive the sliding blocks 13 to be in threaded linkage through the rotating screw rods 14, the clamping seats 1 are further moved, accurate adjustment of the positions of the clamping seats is realized, the clamp can be suitable for clamping and locking operations of the eccentric shafts 15 of different types by arranging two groups of eccentric distance adjusting mechanisms, and the worker can quickly and accurately adjust the eccentric distances, so that the working efficiency is improved.
Example two
As shown in fig. 1 to 4, this embodiment includes, in addition to all the technical features of the first embodiment, the following steps:
the clamping block 7 is arranged on the side wall of the clamping seat 1, the guide rail 9 is horizontally fixed on the supporting plate 8, and the clamping block 7 is slidably clamped on the guide rail 9, so that the clamping seat 1 can directionally slide on the supporting plate 8.
The both ends of linkage board 2 are provided with reset spring 5, and reset spring 5's one end is connected on grip slipper 1, makes linkage board 2, splint 3 can reset fast through reset spring 5's elasticity to carry out the centre gripping operation of next time.
Example III
As shown in fig. 1 to 4, this embodiment includes, in addition to all the technical features of the first embodiment, the following steps:
the outer surface of the extrusion block 4 and the side wall of the linkage plate 2 are roughened, so that the friction force between the two is increased, and the clamping plate 3 is prevented from loosening due to rotation of the extrusion block 4 in the clamping process.
Notch slope on splint 3 sets up, and the outside rotation of gag lever post 6 is connected with the rotary drum, and rotary drum and notch one side butt reduce the frictional force between gag lever post 6 and the splint 3, avoid between the two because frictional force is too big and lead to splint 3 unable linkage.
The extrusion block 4 is fixedly provided with a handle which is of an oval structure, and the surface of the handle is glued with a rubber pad, so that the extrusion block 4 is convenient for a worker to rotate.
Working principle: when the clamp is used, the driving gear 12 is driven to rotate through the servo motor 11, the rack 10 is meshed and linked, the upper clamping seat 1 and the lower clamping seat 1 are driven to synchronously and reversely move, the sliding block 13 is driven to be in threaded linkage through the rotating screw rod 14, the clamping seat 1 is further moved in a small range, the eccentric shaft 15 is placed in the notch between the upper clamping seat 1 and the lower clamping seat 1, the extrusion block 4 is rotated to eccentrically rotate, the linkage plate 2 and the clamping plate 3 are extruded through the extrusion block 4 to move, at the moment, the two adjacent clamping plates 3 move in opposite directions under the limiting action of the limiting rod 6, and the eccentric shaft 15 is clamped and locked.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. An eccentric part holder with adjustable eccentricity, comprising:
an eccentric shaft (15);
the clamping mechanism is used for clamping and locking an eccentric shaft (15), and comprises a clamping seat (1), a linkage plate (2), clamping plates (3), an extrusion block (4) and a limiting rod (6), wherein rectangular notches are formed in the clamping seat (1) in a penetrating mode, the limiting rod (6) is arranged on two sides of the notches, the linkage plate (2) is connected to the clamping seat (1) in a sliding mode, one end of the clamping plate (3) is connected with the linkage plate (2) in a sliding mode, notches are formed in the clamping plate, the limiting rod (6) is clamped in the notches, the eccentric shaft (15) is locked between two adjacent clamping plates (3) in a pressing mode, and the extrusion block (4) is connected to the clamping seat (1) in an eccentric rotation mode and is located on one side of the linkage plate (2);
the rough adjusting mechanism is used for roughly adjusting the eccentricity of the clamp and is connected to the clamping mechanism and comprises a supporting plate (8), racks (10), a servo motor (11) and driving gears (12), wherein the supporting plate (8) is symmetrically arranged on two sides of the clamping seat (1) and is in sliding connection with the two supporting plates, the servo motor (11) is fixed on one side of one supporting plate (8), the driving gears (12) are fixed on an output shaft of the servo motor (11), and the racks (10) are arranged at one end of the clamping seat (1), are symmetrically arranged up and down and are meshed with the driving gears (12);
the precise adjusting mechanism is used for precisely adjusting the eccentricity of the clamp and is connected to the rough adjusting mechanism and comprises a sliding block (13) and a screw rod (14), wherein the sliding block (13) is fixed at one end of the clamping seat (1) and is provided with a screw hole in a penetrating mode, the sliding block is connected in a notch arranged on the back of the rack (10), and the screw rod (14) is connected in the notch in a rotating mode and is in threaded connection with the sliding block (13).
2. An eccentric part holder with adjustable eccentricity as claimed in claim 1, wherein: the clamping block (7) is arranged on the side wall of the clamping seat (1), the guide rail (9) is horizontally fixed on the supporting plate (8), and the clamping block (7) is in sliding clamping connection with the guide rail (9).
3. An eccentric part holder with adjustable eccentricity as claimed in claim 1, wherein: and the two ends of the linkage plate (2) are provided with reset springs (5), and one ends of the reset springs (5) are connected to the clamping seat (1).
4. An eccentric part holder with adjustable eccentricity as claimed in claim 1, wherein: the outer surface of the extrusion block (4) and the side wall of the linkage plate (2) are roughened.
5. An eccentric part holder with adjustable eccentricity as claimed in claim 1, wherein: notch slope on splint (3) sets up, and the outside rotation of gag lever post (6) is connected with the rotary drum, and rotary drum and notch one side butt.
6. An eccentric part holder with adjustable eccentricity as claimed in claim 1, wherein: the squeezing block (4) is fixedly provided with a handle which is of an elliptic structure, and the surface of the handle is glued with a rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320768871.2U CN219562821U (en) | 2023-04-10 | 2023-04-10 | Eccentric part clamp with adjustable eccentricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320768871.2U CN219562821U (en) | 2023-04-10 | 2023-04-10 | Eccentric part clamp with adjustable eccentricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219562821U true CN219562821U (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320768871.2U Active CN219562821U (en) | 2023-04-10 | 2023-04-10 | Eccentric part clamp with adjustable eccentricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219562821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117381480A (en) * | 2023-12-11 | 2024-01-12 | 苏州昊信精密科技有限公司 | Horizontal tool clamp capable of adjusting angle |
-
2023
- 2023-04-10 CN CN202320768871.2U patent/CN219562821U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117381480A (en) * | 2023-12-11 | 2024-01-12 | 苏州昊信精密科技有限公司 | Horizontal tool clamp capable of adjusting angle |
| CN117381480B (en) * | 2023-12-11 | 2024-03-15 | 苏州昊信精密科技有限公司 | Horizontal tool clamp capable of adjusting angle |
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