CN216858914U

CN216858914U - High compliance anchor clamps with strength perception function

Info

Publication number: CN216858914U
Application number: CN202121888306.7U
Authority: CN
Inventors: 于海龙; 肖铿; 陈海燕
Original assignee: Zhonglufu Intelligent Technology Suzhou Co ltd
Current assignee: Zhonglufu Intelligent Technology Suzhou Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-07-01
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a high-flexibility clamp with a force perception sensing function, which comprises a base main body, a moving block, a first clamp, a first strain gauge, a first clamp piece, a first elastic rubber layer, a second clamp, a second strain gauge, a second clamp piece, a second elastic rubber layer, a pulley and an electric jack, wherein the moving block is movably connected to the outer side of the base main body, the first clamp is connected to the top of the base main body, a fixing hole is formed in the base main body, a groove is formed in the base main body, and an on-off key is arranged at the left end of the base main body. The clamping device has the advantages that the first clamp, the first strain gauge, the second clamp and the second strain gauge are arranged, the first strain gauge, the second strain gauge and a circuit are added, the deformation of the clamp in the clamping process is sensed, the clamping force is further calculated, the clamping force is adjusted to be optimal, and the phenomenon that sliding or over-force can deform a clamped object and cause unnecessary loss is avoided.

Description

High compliance anchor clamps with strength perception function

Technical Field

The utility model relates to the field of clamps, in particular to a high-flexibility clamp with a force sense sensing function.

Background

A jig is a device for fixing a workpiece to be machined to a correct position for construction or inspection in a machine manufacturing process, and when a workpiece is machined on a machine tool, the workpiece must be mounted (positioned) and clamped (clamped) before machining in order to make the surface of the workpiece meet the technical requirements such as the dimension and geometry specified in the drawing and the precision of the mutual position with other surfaces.

The existing clamp has unicity, clamping force cannot be adjusted, parts can be damaged during working, for example, a novel clamp for machining the top of a roller bracket disclosed by the publication No. CN201920305684.4 has high maintenance cost, and the working efficiency and the benefit of machinery are seriously influenced.

The utility model provides a high-flexibility clamp with a force sensing function, which solves the problems that on the basis of a common clamp, a strain gauge and a circuit are added, the deformation of the clamp in the clamping process is sensed, the clamping force is further calculated, the clamping force is adjusted to be optimal, and the sliding or over-force is avoided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and designs a high-flexibility clamp with a force sense sensing function.

The high-flexibility clamp with the force sensing function comprises a base main body, a moving block, a first clamp, a first strain gauge, a first clamp piece, a first elastic rubber layer, a second clamp, a second strain gauge, a second clamp piece, a second elastic rubber layer, a pulley and an electric jack, wherein the moving block is movably connected to the outer side of the base main body, the top of the base main body is connected with the first clamp, the base main body is provided with a fixing hole, the base main body is provided with a groove, the left end of the base main body is provided with an on-off key, the deformation of the clamp in the clamping process is sensed, the clamping force is further calculated, the clamping force is adjusted to be optimal, and the problem of sliding or excessive force is avoided.

As a further explanation of the present invention, the left end of the base main body is provided with an opening and closing rotation button, the base main body is internally provided with an electric jack, and the opening and closing button drives the electric jack.

As a further explanation of the present invention, the first clamp is connected to a first strain gauge, and the first strain gauge is connected to a first clamp piece, which senses the force.

As a further explanation of the present invention, two first clamp pieces are provided, and a first elastic rubber layer is provided between the two first clamp pieces, so as to enhance the sensitivity by elasticity.

As a further explanation of the present invention, the bottom of the second fixture is fixedly connected with a moving block, the second fixture is connected with a second strain gauge, the second strain gauge is connected with a second fixture gauge, and the second fixture gauge is used for sensing force.

As a further explanation of the present invention, two second clamp pieces are provided, and a second elastic rubber layer is connected between the two second clamp pieces, so that the second elastic rubber layer has elasticity, thereby enabling the sensitivity of the sensing piece.

As a further explanation of the present invention, the pulleys are disposed inside the moving block, the pulleys are provided with eight pulleys, and every four pulleys of the eight pulleys form a group, and two groups of pulleys are symmetrical and slide inside.

As a further explanation of the present invention, one end of the electric jack is connected to the inside of the base main body, and the other end of the electric jack is connected to the outer surface of the moving block for moving.

The clamping device has the advantages that the first clamp, the first strain gauge, the second clamp and the second strain gauge are arranged, the first strain gauge, the second strain gauge and a circuit are added, the deformation of the clamp in the clamping process is sensed, the clamping force is calculated, the clamping force is adjusted to be optimal, sliding or over-force is avoided, and the object clamped by the sliding or over-force can be deformed to cause unnecessary loss.

Through base main part, movable block and the electric jack that sets up, enlarge its range of pressing from both sides, exert force through electric jack's flexible, clip, first foil gage, second foil gage and electric jack mutually support, respond to the change of object, adjust electric jack's dynamics, first elastic rubber layer and second elastic rubber layer have elasticity, response data that can be better change, have increased first foil gage and second foil gage induction degree.

Drawings

FIG. 1 is a perspective view of the base body of the present invention;

FIG. 2 is a schematic perspective view of a first clamp of the present invention;

FIG. 3 is a schematic perspective view of the electric jack of the present invention;

FIG. 4 is a schematic perspective view of the switch key of the present invention;

FIG. 5 is a schematic perspective view of a groove of the present invention;

fig. 6 is a perspective view of a second jig of the present invention.

In the figure, 1, a base body; 2. a moving block; 3. a first clamp; 4. a first strain gauge; 5. a first clamp piece; 6. a first elastic rubber layer; 7. a fixing hole; 8. a groove; 9. a second clamp; 10. a second strain gauge; 11. a second clamp piece; 12. a second elastic rubber layer; 13. an on-off key; 14. a rotary knob is opened and closed; 15. a pulley; 16. an electric jack.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a high-compliance clamp with a force perception sensing function, which comprises a base main body 1, a moving block 2, a first clamp 3, a first strain gauge 4, a first clamp piece 5, a first elastic rubber layer 6, a second clamp 9, a second strain gauge 10, a second clamp piece 11, a second elastic rubber layer 12, a pulley 15 and an electric jack 16, wherein the moving block 2 is movably connected to the outer side of the base main body 1, the first clamp 3 is connected to the top of the base main body 1, a fixing hole 7 is formed in the base main body 1, a groove 8 is formed in the base main body 1, and an on-off key 13 is arranged at the left end of the base main body 1.

The left end of the base body 1 is provided with an opening and closing rotary button 14, and an electric jack 16 is arranged inside the base body 1. The first clamp 3 is connected with a first strain gage 4, and the first strain gage 4 is connected with a first clamp slice 5. The number of the first clamp pieces 5 is two, and a first elastic rubber layer 6 is arranged between the two first clamp pieces 5. The bottom of the second clamp 9 is fixedly connected with a moving block 2, the second clamp 9 is connected with a second strain gauge 10, and the second strain gauge 10 is connected with a second clamp piece 11.

The number of the second clamp pieces 11 is two, and a second elastic rubber layer 12 is connected between the two second clamp pieces 11. The pulleys 15 are arranged inside the moving block 2, eight pulleys 15 are arranged in a group of four pulleys, and the two groups of pulleys 15 are symmetrical. One end of the electric jack 16 is connected to the inside of the base main body 1, and the other end of the electric jack 16 is connected to the outer surface of the moving block 2.

This practical theory of operation:

referring to the attached drawings 1-6 of the specification, when the high-flexibility clamp with the force sensing function is used, a switch key 13 of a base main body 1 is pressed for a long time to turn on a power supply, an opening-closing rotary button 14 is pressed to adjust the operation of an electric jack 16 to start stretching and retracting, the tool is placed to rotate to a closed scale line, the electric jack 16 starts to extend until the tool, after the tool is stressed, a first elastic rubber layer 6 and a second elastic rubber layer 12 start to deform, the upper end of the tool is squeezed and reduced, the first strain gauge 4 and the second strain gauge 10 at the upper end acquire sensing data and transmit the data to the electric jack 16 for adjustment, after the upper end of the tool is stressed, the lower end of the tool is not squeezed, the first strain gauge 4 and the second strain gauge 10 at the lower end of the tool cannot sense, smaller included angles exist between the upper end and the lower end of the tool, the forces of the first strain gauge 4 and the second strain gauge 10 are uneven, and are not stressed uniformly when the included angles are not or are very small, the electric jack 16 begins the automatically regulated, and first elastic rubber layer 6 and second elastic rubber layer 12 prevent when just beginning to press from both sides that the dynamics is too big, damage the apparatus, and first elastic rubber layer 6 and second elastic rubber layer 12 warp that the power is too big, and the contained angle is little, and the extrusion force will grow, and when normal dynamics is big, first elastic rubber layer 6 and second elastic rubber layer 12 receive the extrusion, comparatively serious deformation can not appear, and the on & off switch 13 closes after pressing for a long time.

Claims

1. The utility model provides a high compliance anchor clamps with strength perception function, includes base main part (1), movable block (2), first anchor clamps (3), first foil gage (4), first anchor clamps piece (5), first elastic rubber layer (6), second anchor clamps (9), second foil gage (10), second anchor clamps piece (11), second elastic rubber layer (12), pulley (15) and electric jack (16), its characterized in that, base main part (1) outside swing joint has movable block (2), base main part (1) top is connected with first anchor clamps (3), fixed orifices (7) have been seted up in base main part (1), base main part (1) is seted up flutedly (8), base main part (1) left end is provided with on & off switch (13).

2. The fixture with high compliance and force sense perception function according to claim 1, wherein the base body (1) is provided with an opening and closing rotary button (14) at the left end, and the base body (1) is internally provided with an electric jack (16).

3. The fixture with high compliance and force sense perception function as claimed in claim 1, wherein a first strain gauge (4) is connected to the first fixture (3), and a first fixture gauge (5) is connected to the first strain gauge (4).

4. The fixture with force sense perception function according to claim 1, wherein the first fixture piece (5) is provided with two, and a first elastic rubber layer (6) is arranged between the two first fixture pieces (5).

5. The fixture with the force sense perception function and the high compliance degree as claimed in claim 1, wherein a moving block (2) is fixedly connected to the bottom of the second fixture (9), a second strain gauge (10) is connected to the second fixture (9), and a second fixture gauge (11) is connected to the second strain gauge (10).

6. The fixture with high compliance and force sense perception function as claimed in claim 1, wherein the second fixture piece (11) is provided with two, and a second elastic rubber layer (12) is connected between the two second fixture pieces (11).

7. The fixture with force sense perception function according to claim 1, characterized in that the pulleys (15) are arranged inside the moving block (2), the pulleys (15) are provided with eight, eight pulleys (15) are arranged in a group of four, and two groups of pulleys (15) are symmetrical.

8. The fixture with force sense perception function according to claim 1, wherein one end of the electric jack (16) is connected to the inside of the base main body (1), and the other end of the electric jack (16) is connected to the outer surface of the moving block (2).