CN219337457U

CN219337457U - High-precision positioning clamp

Info

Publication number: CN219337457U
Application number: CN202223374223.3U
Authority: CN
Inventors: 袁星
Original assignee: Shenzhen Prescon Precision Machinery Co ltd
Current assignee: Shenzhen Prescon Precision Machinery Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-07-14
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a high-precision positioning clamp, which relates to the technical field of clamps and comprises a base, clamping blocks are slidably arranged at the upper end of the base, two groups of clamping blocks are arranged at the upper end of the base, sliding grooves are formed in the upper end of the base, a driving assembly is fixedly arranged at the outer side of the base, two groups of driving assemblies are arranged, and a buffer pad is arranged at one side of each clamping block.

Description

High-precision positioning clamp

Technical Field

The utility model relates to the technical field of clamps, in particular to a high-precision positioning clamp.

Background

The fixture is used to fix the workpiece in the correct position for construction or detection, and is also called as fixture in the general sense, and the fixture is used to install workpiece fast, conveniently and safely in any process.

Disclosure of Invention

The utility model aims to provide a high-precision positioning clamp, which solves the problems that the prior clamp in the background art is simple in internal structure, the clamping force and distance of a workpiece are completely determined by experience of staff in the using process, so that some inexperienced staff cannot completely control the progress of clamping the clamp, some fragile workpieces are subjected to excessive clamping force to damage the workpiece, and the next procedure is difficult to operate due to the incorrect clamping force and distance.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high accuracy positioning fixture, includes the base, and the base upper end slides and is provided with the clamp splice, and the clamp splice is provided with two sets of, and the spout has been seted up to the base upper end, and the base outside is fixed to be provided with drive assembly, and drive assembly sets up two sets of, and clamp splice one side is provided with the blotter.

Preferably, the motor is fixedly arranged in the driving assembly, the output end of the motor is fixedly connected with a threaded shaft, a first sleeve is sleeved on the periphery of the threaded shaft, a first connecting block is fixedly arranged at the upper end of the first sleeve, and a group of clamping blocks are fixedly connected with the upper end of the first connecting block.

Preferably, the periphery of the threaded shaft is sleeved with a second sleeve, the upper end of the second sleeve is fixedly provided with a second connecting block, the other group of the clamping blocks is fixedly connected with the upper end of the second connecting block, and the inner lines of the second sleeve and the first sleeve are opposite.

Preferably, a wafer is arranged at one end of the first sleeve, the wafer is fixedly arranged inside the base, the first sleeve is rotationally connected with the wafer, and a power assembly is fixedly arranged at one side of each of the two groups of clamping blocks.

Preferably, a clamping opening is formed in one end of the threaded shaft, a plane scroll spring is arranged in the disc, and one end of the plane scroll spring is fixedly connected with the clamping opening.

Preferably, the power component is internally and fixedly provided with an air pump, the output end of the air pump is fixedly connected with a pipeline, the inside of the clamping block is fixedly provided with telescopic rods, the telescopic rods are provided with two groups, and the two groups of telescopic rods are fixedly connected with the power component.

Preferably, the inside fixed square board that is provided with of blotter, square board one side is fixed to be provided with the elastic column, and the elastic column is provided with two sets of, and square board one side is fixed to be provided with the short column. And the short columns are fixedly provided with two groups.

Preferably, two groups of short columns are provided with a first movable shaft in a rotating mode, one side of the buffer cushion is fixedly provided with a buffer column, a first spring is sleeved on the periphery of the buffer column, a long column is fixedly arranged on the side of the buffer column, and two groups of long columns are arranged.

Preferably, the two groups of the first movable shafts are movably connected with a connecting rod, one side of the connecting rod is rotatably provided with a second movable shaft, and one end of the second movable shaft is movably connected with a sliding block.

Preferably, the sliding block is provided with the ball in a rolling way on one side, the ball is provided with two groups, the upper end of the sliding block is fixedly provided with an elastic connecting column, a second spring is sleeved on the periphery of the elastic connecting column, a bottom plate is arranged on one side of the sliding block, and the second spring is fixedly connected with the bottom plate.

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

1. according to the high-precision positioning clamp provided by the utility model, the motor, the threaded shaft, the first sleeve, the first connecting block, the second sleeve, the second connecting block, the clamping blocks, the air pump, the telescopic rod and the buffer pad are used for driving the threaded shaft to drive the first sleeve and the second sleeve to drive the first connecting block and the second connecting block to move, so that the two groups of clamping blocks are close to each other, then the air pump is started to enable the telescopic rod to push the buffer pad to stretch for carrying out secondary clamping, and finally clamping a workpiece.

2. According to the high-precision positioning clamp provided by the utility model, the elastic column and the buffer column are stressed and compressed after the square plate is contacted with a workpiece through the square plate, the elastic column, the buffer column, the connecting rod and the sliding block, the included angle between the connecting rod and the long column is increased, so that the impact of clamping moment is absorbed, and the problem that the workpiece is easily damaged by clamping force when the existing clamp is operated improperly by a worker is solved.

Drawings

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

FIG. 2 is a schematic view of a threaded shaft according to the present utility model;

FIG. 3 is a schematic view of a flat spiral spring of the present utility model;

FIG. 4 is a schematic view of a telescopic rod according to the present utility model;

FIG. 5 is a schematic view of a square plate structure according to the present utility model.

In the figure: 1. a base; 11. a chute; 12. a drive assembly; 121. a motor; 122. a threaded shaft; 1221. a clamping opening; 123. a wafer; 1231. a flat spiral spring; 13. a first sleeve; 131. a first connecting block; 14. a second sleeve; 141. a second connecting block; 2. clamping blocks; 22. a power assembly; 221. an air pump; 222. a pipe; 223. a telescopic rod; 21. a cushion pad; 211. a square plate; 212. an elastic column; 213. a short column; 214. a first movable shaft; 215. a buffer column; 216. a first spring; 217. a long column; 23. a connecting rod; 231. a second movable shaft; 24. a sliding block; 241. a ball; 242. an elastic connection column; 243. a second spring; 25. a bottom plate.

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.

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.

Referring to fig. 1, the high-precision positioning fixture of the utility model comprises a base 1, clamping blocks 2 are slidably arranged at the upper end of the base 1, two groups of clamping blocks 2 are arranged, a chute 11 is formed at the upper end of the base 1, a driving assembly 12 is fixedly arranged at the outer side of the base 1, two groups of driving assemblies 12 are arranged, and a buffer cushion 21 is arranged at one side of the clamping blocks 2.

The utility model is further described below with reference to examples.

Embodiment one:

referring to fig. 2-4, a motor 121 is fixedly arranged inside the driving assembly 12, a threaded shaft 122 is fixedly connected to the output end of the motor 121, a first sleeve 13 is sleeved on the periphery of the threaded shaft 122, a first connecting block 131 is fixedly arranged at the upper end of the first sleeve 13, the lower ends of a group of clamping blocks 2 are fixedly connected with the upper ends of the first connecting blocks 131, a second sleeve 14 is sleeved on the periphery of the threaded shaft 122, a second connecting block 141 is fixedly arranged at the upper ends of the second sleeve 14, the lower ends of the other group of clamping blocks 2 are fixedly connected with the upper ends of the second connecting blocks 141, the second sleeve 14 is opposite to the inner line of the first sleeve 13, a disc 123 is arranged at one end of the first sleeve 13, the disc 123 is fixedly arranged inside the base 1, the first sleeve 13 is rotatably connected with the disc 123, a power assembly 22 is fixedly arranged at one side of the two groups of clamping blocks 2, a clamping opening 1221 is formed at one end of the threaded shaft 122, a plane scroll spring 1231 is arranged inside the disc 123, one end of the plane scroll spring 1231 is fixedly connected with the clamping opening 1221, the motor 121 is started to enable the threaded shaft 122 to rotate, the rotating threaded shaft 122 enables the first sleeve 13 and the second sleeve 14 to drive the first connecting block 131 and the second sleeve 14 to move, the moving first connecting block 131 and second sleeve 14 drive the two groups of clamping blocks 2 to approach each other, the plane scroll spring 1231 can provide torque, the threaded shaft 122 rotates more stably to drive the first connecting block 131 and the second sleeve 14 to move more smoothly, the air pump 221 is fixedly arranged inside the power assembly 22, the output end of the air pump 221 is fixedly connected with the pipeline 222, the telescopic rod 223 is fixedly arranged inside the clamping blocks 2, the telescopic rod 223 is provided with two groups, the telescopic rod 223 of the two groups is fixedly connected with the power assembly 22, the air pump 221 is started after the clamping blocks 2 of the two groups approach one end distance, air enters the telescopic rod 223 from the pipeline 222, the telescopic rod 223 is extended to push the buffer cushion 21 to move, so that the secondary clamping is completed, and the precision in clamping is improved.

Embodiment two:

referring to fig. 5, a square plate 211 is fixedly arranged in the cushion 21, an elastic column 212 is fixedly arranged at one side of the square plate 211, two groups of elastic columns 212 are arranged, a short column 213 is fixedly arranged at one side of the square plate 211, two groups of short columns 213 are fixedly arranged at one end of the short column 213, a first movable shaft 214 is rotatably arranged at one end of the two groups of short columns 213, a cushion column 215 is fixedly arranged at one side of the cushion 21, a first spring 216 is sleeved on the periphery of the cushion column 215, a long column 217 is fixedly arranged at one side of the cushion column 215, two groups of long columns 217 are arranged at the other end of the cushion column 215, a connecting rod 23 is movably connected at the outer side of the first movable shaft 214 of the two groups, a second movable shaft 231 is rotatably arranged at one side of the connecting rod 23, a sliding block 24 is movably connected at one end of the second movable shaft 231, the rolling of sliding block 24 one side is provided with ball 241, and ball 241 is provided with two sets of, sliding block 24 upper end is fixedly provided with elastic connection post 242, elastic connection post 242 periphery cover is equipped with No. two springs 243, sliding block 24 one side is provided with bottom plate 25, no. two springs 243 and bottom plate 25 fixed connection, when square board 211 contacted the work piece, elastic post 212 and long post 217 are compressed by bottom plate 25, no. one spring 216 is compressed simultaneously, connecting rod 23 and long post 217 contained angle grow, connecting rod 23 promotes sliding block 24 and removes, ball 241 begins to roll, the sliding block 24 of removal makes elastic connection post 242 and No. two springs 243 compressed, the buffer function is accomplished at last, avoid clamp splice 2 clamping force too big to make the work piece damaged.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a high accuracy positioning fixture, includes base (1), its characterized in that: the base (1) upper end slides and is provided with clamp splice (2), and clamp splice (2) are provided with two sets of spouts (11) have been seted up to base (1) upper end, and fixed drive assembly (12) that are provided with in the base (1) outside, and drive assembly (12) set up two sets of, and clamp splice (2) one side is provided with blotter (21).

2. A high precision positioning fixture as defined in claim 1, wherein: the driving assembly is characterized in that a motor (121) is fixedly arranged inside the driving assembly (12), the output end of the motor (121) is fixedly connected with a threaded shaft (122), a first sleeve (13) is sleeved on the periphery of the threaded shaft (122), a first connecting block (131) is fixedly arranged at the upper end of the first sleeve (13), and a group of clamping blocks (2) are fixedly connected with the upper ends of the first connecting blocks (131).

3. A high precision positioning fixture as defined in claim 2, wherein: the screw thread axle (122) peripheral cover is equipped with No. two sleeve (14), no. two sleeve (14) upper end fixedly provided with No. two connecting blocks (141), another group clamp splice (2) lower extreme and No. two connecting block (141) upper end fixed connection, no. two sleeve (14) are opposite with No. one sleeve (13) inside line.

4. A high precision positioning fixture as defined in claim 3, wherein: one end of the first sleeve (13) is provided with a circular disc (123), the circular disc (123) is fixedly arranged inside the base (1), the first sleeve (13) is rotationally connected with the circular disc (123), and one sides of the two groups of clamping blocks (2) are fixedly provided with power assemblies (22).

5. The high precision positioning fixture as claimed in claim 4, wherein: a clamping opening (1221) is formed in one end of the threaded shaft (122), a plane scroll spring (1231) is arranged in the disc (123), and one end of the plane scroll spring (1231) is fixedly connected with the clamping opening (1221).

6. The high precision positioning fixture as claimed in claim 4, wherein: the power assembly (22) is internally fixedly provided with an air pump (221), the output end of the air pump (221) is fixedly connected with a pipeline (222), the inside of the clamping block (2) is fixedly provided with telescopic rods (223), the telescopic rods (223) are provided with two groups, and the telescopic rods (223) are fixedly connected with the power assembly (22).

7. A high precision positioning fixture as defined in claim 1, wherein: the inside fixed square board (211) that is provided with of blotter (21), square board (211) one side is fixed to be provided with elasticity post (212), and elasticity post (212) are provided with two sets of, and square board (211) one side is fixed to be provided with short column (213), and short column (213) are fixed to be provided with two sets of.

8. The high precision positioning fixture as claimed in claim 7, wherein: two sets of short columns (213) one end rotate and be provided with a loose axle (214), cushion (21) one side is fixed to be provided with buffer post (215), and buffer post (215) peripheral cover is equipped with spring (216), and buffer post (215) side is fixed to be provided with long post (217), and long post (217) are provided with two sets of.

9. The high precision positioning fixture as claimed in claim 8, wherein: the two groups of the first movable shafts (214) are movably connected with a connecting rod (23), a second movable shaft (231) is rotatably arranged on one side of the connecting rod (23), and a sliding block (24) is movably connected with one end of the second movable shaft (231).

10. A high precision positioning fixture as defined in claim 9, wherein: the sliding block is characterized in that balls (241) are arranged on one side of the sliding block (24) in a rolling mode, two groups of balls (241) are arranged, an elastic connecting column (242) is fixedly arranged at the upper end of the sliding block (24), a second spring (243) is sleeved on the periphery of the elastic connecting column (242), a bottom plate (25) is arranged on one side of the sliding block (24), and the second spring (243) is fixedly connected with the bottom plate (25).