CN219666344U

CN219666344U - Kelvin test fixture

Info

Publication number: CN219666344U
Application number: CN202320740368.6U
Authority: CN
Inventors: 翟继承; 李小平; 景博华
Original assignee: Xi'an Tianjiayi Measurement And Control Technology Co ltd
Current assignee: Xi'an Tianjiayi Measurement And Control Technology Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-09-12
Anticipated expiration: 2033-04-06

Abstract

The utility model discloses a Kelvin test clamp, and relates to the technical field of clamps; the utility model comprises a fixing frame, wherein a first fixing plate is fixedly connected to the bottom end of the fixing frame at the central position, an adjusting mechanism is connected to the lower part of the fixing frame, connecting plates are symmetrically and slidably connected to the bottom ends of the fixing frame, first connecting frames are symmetrically and fixedly connected to the bottom ends of the connecting plates, and second connecting frames are symmetrically and fixedly connected to the positions, close to two sides, between the two first connecting frames; according to the utility model, the motor unit is operated, and then under the mutual coordination between the double-headed screw and the second sliding block as well as the second sliding groove and the clamping block, the clamping block moves in opposite directions to clamp smaller workpieces, so that the problem that the existing clamp needs manual tightening when being fixed is solved, the problem that different workpieces are corresponding to different clamps, the cost is increased, and the integral practicability of the device is further improved.

Description

Kelvin test fixture

Technical Field

The utility model relates to the technical field of clamps, in particular to a Kelvin test clamp.

Background

The jig is a device for fixing a machining object in a machine manufacturing process so as to occupy a correct position for performing a construction or a detection. The clamp is generally composed of a positioning element (determining the correct position of the workpiece in the clamp), a clamping device, a tool setting guiding element (determining the relative position of the tool and the workpiece or guiding the tool direction), a clamp body (clamp base) and the like;

the prior art has the following problems:

in the prior art, when a workpiece is processed, the workpiece is usually required to be fixed by a fixing clamp or a vice, and when the workpiece is fixed by the clamp, the workpiece is required to be manually screwed, meanwhile, different workpieces correspond to different clamps, the cost is increased, and the inventor proposes a Kelvin test clamp for solving the problems.

Disclosure of Invention

In order to solve the problem that when the fixture is used for fixing, manual tightening is needed, and different workpieces correspond to different fixtures; the utility model aims to provide a Kelvin test fixture.

In order to solve the technical problems, the utility model adopts the following technical scheme: kelvin test fixture, including the mount, the mount bottom is located central point department fixedly connected with first fixed plate, the mount below is connected with adjustment mechanism, mount bottom symmetry sliding connection has the connecting plate, connecting plate bottom symmetry fixedly connected with first link, two be close to both sides department symmetry fixedly connected with second link between the first link, two be located central point department fixedly connected with fixture between the first link.

Preferably, the fixing frame top is located central point department threaded connection has the mounting panel, mounting panel top fixedly connected with first motor, adjustment mechanism includes the dwang, the dwang is located first fixed plate bottom and rotates the connection mutually, first motor output runs through mounting panel and dwang fixed connection.

Preferably, the fixing frame bottom is close to two symmetrical fixedly connected with two sets of fixed columns of both sides department, first spout has been seted up to the fixed column bottom, the inside sliding connection of first spout has first slider, two first slider bottom and connecting plate fixed connection, two the connecting plate bottom is all connected with the connecting rod with the rotation between the dwang bottom.

Preferably, the clamping mechanism comprises a second fixing plate, wherein two side ends of the first connecting frame are fixedly connected with motor groups, double-headed screws are symmetrically and rotationally connected at positions, close to two sides, inside the second fixing plate, and output ends of the motor groups penetrate through the first connecting frame and are fixedly connected with the double-headed screws.

Preferably, the second sliding grooves are symmetrically formed in the opposite faces of the second fixing plates, close to the double-headed screw, second sliding blocks are symmetrically and slidingly connected inside the second sliding grooves and are in threaded rotation connection with the double-headed screw, clamping blocks are symmetrically and fixedly connected with the other ends of the second sliding blocks, one face, far away from the double-headed screw, of each clamping block is at the same level as the first connecting frame, and the clamping plates are detachably connected with the opposite faces of the first connecting frame and one of the second connecting frames.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the first motor is operated, and then the first connecting frame is moved in opposite directions under the mutual coordination of the first fixing plate, the rotating rod, the connecting plate, the connecting rod and the first sliding block, and then a wider workpiece is clamped under the coordination of a plurality of symmetrical clamping plates;

2. according to the utility model, the motor unit is operated, and then under the mutual coordination between the double-headed screw and the second sliding block as well as the second sliding groove and the clamping block, the clamping block moves in opposite directions to clamp smaller workpieces, so that the problem that the existing clamp needs manual tightening when being fixed is solved, the problem that different workpieces are corresponding to different clamps, the cost is increased, and the integral practicability of the device is further improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic view of another view structure of the present utility model.

Fig. 3 is a schematic view of the structure of the fixing frame of the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

Fig. 5 is an enlarged view of the structure of fig. 3B according to the present utility model.

In the figure: 1. a fixing frame; 101. a mounting plate; 102. a first motor; 103. fixing the column; 104. a first fixing plate; 105. a rotating lever; 106. a connecting rod; 107. a first slider; 108. a first chute; 2. a connecting plate; 3. a second fixing plate; 4. a first connection frame; 41. a motor group; 42. a clamping plate; 43. a second connecting frame; 44. a clamping block; 45. a second chute; 46. a double-ended screw; 48. a second slider; 8. an adjusting mechanism; 9. and a clamping mechanism.

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.

Examples: as shown in fig. 1-5, the present utility model provides a technical solution: kelvin test fixture, including mount 1, mount 1 bottom is located central point department fixedly connected with first fixed plate 104, mount 1 below is connected with adjustment mechanism 8, mount 1 bottom symmetry sliding connection has connecting plate 2, connecting plate 2 bottom symmetry fixedly connected with first link 4, be close to both sides department symmetry fixedly connected with second link 43 between two first links 4, be located central point department fixedly connected with fixture 9 between two first links 4, first motor 102 is operated at first, thereby rotate the dwang 105 that drives first fixed plate 104 bottom, thereby two symmetrical connecting plates 2 slide in opposite directions under the mutually supporting between connecting rod 106 and first slider 107.

The top end of the fixing frame 1 is in a center position and is in threaded connection with a mounting plate 101, and the top end of the mounting plate 101 is fixedly connected with a first motor 102.

Through adopting above-mentioned technical scheme, through setting up threaded connection's mounting panel 101 to the dismantlement to first motor 102 has been made things convenient for.

The adjusting mechanism 8 comprises a rotating rod 105, the rotating rod 105 is positioned at the bottom end of the first fixed plate 104 and is connected in a rotating way, and the output end of the first motor 102 penetrates through the mounting plate 101 and is fixedly connected with the rotating rod 105.

By adopting the above technical scheme, the first motor 102 is operated, so that the rotating rod 105 which is fixedly connected is driven to rotate.

Two groups of fixed columns 103 are symmetrically and fixedly connected to the bottom end of the fixing frame 1 near two sides, a first sliding groove 108 is formed in the bottom end of the fixed column 103, and a first sliding block 107 is slidably connected inside the first sliding groove 108.

By adopting the above technical solution, the first slider 107 slides in the first chute 108, thereby moving the fixedly connected connection plate 2.

The bottom ends of the two first sliding blocks 107 are fixedly connected with the connecting plates 2, and a connecting rod 106 is rotatably connected between the bottom ends of the two connecting plates 2 and the bottom end of the rotating rod 105.

By adopting the technical scheme, the rotating rod 105 rotates, so that the connecting rod 106 drives the connecting plates 2 to move oppositely.

The clamping mechanism 9 comprises a second fixing plate 3, wherein the side ends of two first connecting frames 4 are fixedly connected with a motor group 41, double-headed screws 46 are symmetrically and rotatably connected at positions, close to two sides, inside the second fixing plate 3, and the output ends of the motor group 41 penetrate through the first connecting frames 4 and are fixedly connected with the double-headed screws 46.

By adopting the above technical scheme, the double-ended screw 46 is driven to rotate simultaneously by operating the motor unit 41.

The opposite surfaces of the two second fixing plates 3 are symmetrically provided with second sliding grooves 45 close to the double-headed screw 46, second sliding blocks 48 are symmetrically and slidingly connected inside the second sliding grooves 45, the second sliding blocks 48 are in threaded rotation connection with the double-headed screw 46, and clamping blocks 44 are symmetrically and fixedly connected with the other ends of the two groups of second sliding blocks 48.

By adopting the above technical scheme, after the double-headed screw 46 rotates, the second slider 48 slides under the action of the second chute 45.

The clamping block 44 is detachably connected with the clamping plate 42 on the surface far away from the double-headed screw 46 at the same level as the first connecting frame 4, and the opposite surfaces of the first connecting frame 4 and one of the second connecting frames 43 are symmetrically and oppositely arranged.

By adopting the above technical scheme, the clamping block 44 and the first connecting frame 4 are arranged at the same level, which is beneficial to preventing the clamping block 44 from being touched when the clamping plate 42 is clamped.

Working principle: when the device is used, work is performed according to the size of a workpiece to be clamped, if the clamped workpiece is wider, the first motor 102 is operated at the moment, so that the rotating rod 105 at the bottom end of the first fixed plate 104 is driven to rotate, and the two symmetrical connecting plates 2 slide in opposite directions under the mutual cooperation between the connecting rod 106 and the first sliding block 107, so that the first connecting frame 4 which is driven to be fixedly connected moves in opposite directions, and then the wider workpiece is clamped under the cooperation of the symmetrical clamping plates 42;

if the clamped workpiece is shorter and smaller, the operation is only needed to be repeated, then the motor unit 41 is operated, so that the four double-headed screws 46 are simultaneously rotated, then the two second sliding blocks 48 which are in threaded rotation connection are moved in opposite directions under the action of the second sliding grooves 45, so that the two groups of clamping blocks 44 which are fixedly connected are moved in opposite directions, the smaller workpiece is clamped, the problem that the existing clamp needs to be manually screwed when being fixed is solved, the problem that the cost is increased due to the fact that different workpieces correspond to different clamps is solved, and the overall practicability of the device is further improved.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. Kelvin test fixture, including mount (1), its characterized in that: the fixing frame (1) bottom is located central position department fixedly connected with first fixed plate (104), fixing frame (1) below is connected with adjustment mechanism (8), fixing frame (1) bottom symmetry sliding connection has connecting plate (2), connecting plate (2) bottom symmetry fixedly connected with first link (4), two be close to both sides department symmetry fixedly connected with second link (43) between first link (4), two be located central position department fixedly connected with fixture (9) between first link (4).

2. The kelvin test fixture according to claim 1, characterized in that the top end of the fixing frame (1) is in a central position and is in threaded connection with a mounting plate (101), and the top end of the mounting plate (101) is fixedly connected with a first motor (102).

3. The kelvin test fixture according to claim 2, wherein the adjusting mechanism (8) includes a rotating rod (105), the rotating rod (105) is located at the bottom end of the first fixing plate (104) and is rotationally connected, and the output end of the first motor (102) penetrates through the mounting plate (101) and is fixedly connected with the rotating rod (105).

4. A kelvin testing fixture according to claim 3, wherein two groups of fixing columns (103) are symmetrically and fixedly connected to the bottom end of the fixing frame (1) near two sides, a first sliding groove (108) is formed in the bottom end of the fixing column (103), and a first sliding block (107) is slidably connected to the inside of the first sliding groove (108).

5. The kelvin test fixture according to claim 4, wherein the bottom ends of the two first sliders (107) are fixedly connected with the connecting plates (2), and a connecting rod (106) is rotatably connected between the bottom ends of the two connecting plates (2) and the bottom ends of the rotating rods (105).

6. The kelvin test fixture according to claim 1, characterized in that the clamping mechanism (9) comprises a second fixing plate (3), wherein the side ends of the two first connecting frames (4) are fixedly connected with a motor group (41), the two side positions, close to the two sides, inside the second fixing plate (3) are symmetrically and rotatably connected with double-headed screws (46), and the output end of the motor group (41) penetrates through the first connecting frames (4) and is fixedly connected with the double-headed screws (46).

7. The kelvin test fixture according to claim 6, wherein two second fixing plates (3) are symmetrically provided with second sliding grooves (45) on opposite surfaces near the double-headed screw (46), second sliding blocks (48) are symmetrically and slidingly connected in the second sliding grooves (45), the second sliding blocks (48) are rotationally connected with the double-headed screw (46) through threads, and clamping blocks (44) are symmetrically and fixedly connected to the other ends of the two groups of second sliding blocks (48).

8. The kelvin test fixture according to claim 7, characterized in that the side of the clamping block (44) facing away from the double-ended screw (46) is at the same level as the first connection frame (4), and the opposite sides of the first connection frame (4) and one of the second connection frames (43) are symmetrically detachably connected with clamping plates (42).