CN215931144U

CN215931144U - Novel clamp force sensor convenient to use

Info

Publication number: CN215931144U
Application number: CN202122546629.4U
Authority: CN
Inventors: 孙应兵; 曹颖飞
Original assignee: Shanghai Tiancheng Industrial Co ltd
Current assignee: Shanghai Tiancheng Industrial Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-03-01
Anticipated expiration: 2031-10-22

Abstract

The utility model belongs to the technical field of pressure-bearing type clamp force sensors, and particularly relates to a novel clamp force sensor convenient to use. The utility model adopts the sinking design of the stress bearing surface, when in use, the stress bearing surface descends into the sensor main body, thereby greatly shortening the clamping stress distance, leading the sample piece with shorter length to be tested normally and smoothly, and simultaneously, the second step surface is used for installing and expanding other structure matched parts and positioning and guiding the tool clamp, leading the test of the clamping force of the sample piece to be accurate, convenient and reasonable.

Description

Novel clamp force sensor convenient to use

Technical Field

The utility model relates to the technical field of pressure-bearing type clamping force sensors, in particular to a novel clamping force sensor convenient to use.

Background

When equipment such as a tool clamp and the like is used, a clamping force test needs to be carried out on a part of samples, so that the situation that the samples are unqualified due to the fact that the clamping force does not reach the standard is prevented; when the clamp force is tested, part sample piece is shorter because of length, the condition that the test can not be carried out will appear in conventional force sensor detection, current force sensor is when detecting in addition, runs into the condition that test sample piece installed other spare part structures, inconvenient or even can't measure, adopt novel stress surface formula cavity clamp force sensor that sinks just can the significantly reduced clamping distance, reach the purpose to accomplishing clamp force atress test that also can be smooth under the condition of short sample piece or assembling other structure spare parts.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a novel clamp force sensor convenient to use, which can realize a middle through hole, can test a sample piece with shorter length or install other structural parts without influencing the measurement result and the purpose, has attractive structure and small occupied assembly space, and solves the technical application problem that the space of a tool clamp for testing short sample pieces and assembling structural parts of the traditional sensor structure is limited.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a novel clamp force sensor convenient to use, includes the special metal main part of rigidity elastic transducer, measures electronic strain bridge circuit part, pressure conduction face, atress pressure-bearing face, adjustment mechanism and wire, the fixed measurement electronic strain bridge circuit part that is equipped with on the inner wall of the special metal main part of rigidity elastic transducer, the inboard of measuring electronic strain bridge circuit part is fixed and is equipped with the pressure conduction face, the inboard of pressure conduction face is equipped with the atress pressure-bearing face.

The present invention in a preferred example may be further configured to: and adjusting mechanisms are arranged on two sides of the stress bearing surface, one end of each adjusting mechanism is fixed on the outer wall of the stress bearing surface, and the other end of each adjusting mechanism is fixed on the inner wall of the pressure conduction surface.

The present invention in a preferred example may be further configured to: the bearing pressure bearing face comprises a first step face and a second step face, the inner side of the first step face is fixedly provided with the second step face, and the outer wall of the first step face is fixedly connected with the adjusting mechanism.

The present invention in a preferred example may be further configured to: the adjusting mechanism comprises a fixing part, a moving part and a clamping part, the fixing part is fixed on the inner wall of the pressure conduction surface, the moving part is arranged on one side of the fixing part, the moving part is fixed on the outer wall of the first step surface, the clamping part is fixedly arranged on the outer wall of the fixing part, and the clamping part is sleeved on the outer side of one end of the moving part.

The present invention in a preferred example may be further configured to: the fixing part comprises a first fixing plate and a fixing rod, the first fixing plate is fixed on the inner wall of the pressure conduction surface, and the fixing rod is fixedly arranged on the side wall of the first fixing plate.

The present invention in a preferred example may be further configured to: the moving part comprises a second fixing plate and a moving rod, the second fixing plate is fixed on the outer wall of the first step face, and the moving rod is fixedly arranged on the side wall of the second fixing plate.

The present invention in a preferred example may be further configured to: the clamping part comprises a clamping ring and a nut, the clamping ring is fixedly sleeved on the outer side of the fixing rod, one end of the clamping ring is open, and one end of the clamping ring is sleeved on the outer side of the moving rod.

The present invention in a preferred example may be further configured to: the outer wall of the metal main body special for the rigid elastic sensor is fixedly provided with a lead, one end of the lead penetrates through the metal main body special for the rigid elastic sensor, one end of the lead is fixedly connected with a bridge circuit part for measuring electronic strain, and the other end of the lead is electrically connected with external display equipment.

In summary, the utility model includes at least one of the following beneficial technical effects:

1. in the using process, the hollow clamping force sensor is provided with the stress bearing surface which is of a middle through hole structure, the stress bearing surface is of a sunken design, the stress bearing surface adopts a two-stage step structure, the stress bearing surface descends into the sensor body when the hollow clamping force sensor is used, the clamping stress distance is greatly shortened, a sample piece with shorter length can be normally and smoothly tested, meanwhile, other structure matched parts can be expanded by using the second step surface for mounting, and the tool clamp is positioned and guided, so that the sample piece clamping force test is accurate, convenient and reasonable, the thickness of the traditional sensor structure is reduced under the condition that the test result and the purpose are not influenced by the main body design structure, the space and the weight occupied by the sensor mounting are reduced, and the application of the stress surface sunken hollow clamping force sensor is more convenient; the development and design of the technology solve the technical problem that the traditional sensor cannot test short samples and install matched tool parts.

2. When the test sample piece is used, the adjusting mechanism is arranged and fixed between the stress bearing surface and the pressure conduction surface, and when the test sample piece is various in types, the nut on the adjusting mechanism can be operated to adjust the screwing-out of the nut and the clamping ring, so that the distance between the fixed part and the movable part can be conveniently adjusted, and the size of the through hole in the middle of the sensor can be conveniently adjusted under the condition of not changing the stress bearing.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a perspective cross-sectional view of the present invention;

FIG. 3 is a schematic view of an adjustment mechanism according to the present invention;

fig. 4 is a perspective cross-sectional view of an adjustment mechanism of the present invention.

Reference numerals: 1. a metal body dedicated to the rigid elastic sensor; 2. a measuring electrical strain bridge element; 3. a pressure conduction surface; 4. a stressed pressure bearing surface; 41. a first step surface; 42. a second step surface; 5. an adjustment mechanism; 51. a fixing member; 511. a first fixing plate; 512. fixing the rod; 52. a moving member; 521. a second fixing plate; 522. a travel bar; 53. a chucking member; 531. a clamping ring; 532. a nut; 6. and (4) conducting wires.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a novel clamp force sensor convenient to use, includes special metal main part 1 of rigidity elastic transducer, measures electronic strain bridge part 2, pressure conduction face 3, atress pressure-bearing face 4, adjustment mechanism 5 and wire 6, fixedly on the inner wall of special metal main part 1 of rigidity elastic transducer being equipped with measures electronic strain bridge part 2, the inboard of measuring electronic strain bridge part 2 is fixed and is equipped with pressure conduction face 3, the inboard of pressure conduction face 3 is equipped with atress pressure-bearing face 4.

Referring to fig. 1 and 2, specifically, two sides of the pressure-bearing surface 4 are provided with adjusting mechanisms 5, one end of each adjusting mechanism 5 is fixed on the outer wall of the pressure-bearing surface 4, and the other end of each adjusting mechanism 5 is fixed on the inner wall of the pressure-conducting surface 3; the pressure bearing face 4 comprises a first step face 41 and a second step face 42, the inner side of the first step face 41 is fixedly provided with the second step face 42, and the outer wall of the first step face 41 is fixedly connected with the adjusting mechanism 5; a lead 6 is fixedly arranged on the outer wall of the metal main body 1 special for the rigid elastic sensor, one end of the lead 6 penetrates through the metal main body 1 special for the rigid elastic sensor, one end of the lead 6 is fixedly connected with the bridge circuit part 2 for measuring electronic strain, and the other end of the lead 6 is electrically connected with an external display device; the sensor main part adopts the design of through-hole cavity in the middle of the second grade step, atress bearing surface 4 descends to the sensor main part the inside, the tight distance of clamp has been shortened greatly, make the sample spare of shorter length also can normally test smoothly, simultaneously with the supporting spare part of the expandable other structure of second step face 42 installation and to frock clamp location and direction, make sample spare clamp force test accurate and convenient reasonable, main part design structure is under the condition that does not influence test result and purpose, the thickness of traditional sensor structure has been reduced, sensor installation occupation space and weight have been reduced, it uses to make things convenient for the sunken cavity clamp force sensor of stress surface to use more.

Referring to fig. 3 and 4, specifically, the adjusting mechanism 5 includes a fixing part 51, a moving part 52 and a clamping part 53, the fixing part 51 is fixed on the inner wall of the pressure conduction surface 3, the moving part 52 is arranged on one side of the fixing part 51, the moving part 52 is fixed on the outer wall of the first step surface 41, the clamping part 53 is fixedly arranged on the outer wall of the fixing part 51, and the clamping part 53 is sleeved on the outer side of one end of the moving part 52; the fixing part 51 comprises a first fixing plate 511 and a fixing rod 512, the first fixing plate 511 is fixed on the inner wall of the pressure transmission surface 3, and the fixing rod 512 is fixedly arranged on the side wall of the first fixing plate 511; the moving part 52 comprises a second fixing plate 521 and a moving rod 522, the second fixing plate 521 is fixed on the outer wall of the first step surface 41, and the moving rod 522 is fixed on the side wall of the second fixing plate 521; the clamping part 53 comprises a clamping ring 531 and a nut 532, the clamping ring 531 is fixedly sleeved on the outer side of the fixed rod 512, one end of the clamping ring 531 is open, and one end of the clamping ring 531 is sleeved on the outer side of the movable rod 522; by operating the nut 532 on the adjusting mechanism 5, the tightness between the nut 532 and the clamping ring 531 is adjusted, so that the distance between the fixed component 51 and the moving component 52 is conveniently adjusted, and the size of the through hole in the middle of the sensor is conveniently adjusted under the condition of not changing stress and pressure.

The utility model has the following use flow and working principle: when the device is used, firstly, the distance between the pressure transmission face 3 and the stress bearing face 4 is adjusted through the adjusting mechanism 5, so that the size of a through hole in the middle of the device is adjusted, the nut 532 of the clamping part 53 is screwed, the fixed part 51 and the moving part 52 are integrated, so that the pressure transmission face 3 and the stress bearing face 4 are integrated, then, the stress face sunken type hollow clamp force sensor is connected with a workpiece through the through hole in the middle, the second step face 42 is provided with other components capable of expanding structures and positioning and guiding a tool clamp, when the test is started, the test workpiece generates a pressure from inside to outside on the stress bearing face 4, so that the stress bearing face 4 drives the pressure transmission face 3 to sink relative to the metal main body 1 special for the rigid elastic sensor, so as to generate a pressure on the bridge part 2 for measuring electronic strain, the data is then transmitted to an external display device via the conductor 6 to derive the clamping force.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a novel clamp force sensor convenient to use, includes special metal main part (1) of rigidity elastic transducer, measurement electronic strain bridge part (2), pressure conduction face (3), atress pressure-bearing face (4), adjustment mechanism (5) and wire (6), its characterized in that: the inner wall of the metal main body (1) special for the rigid elastic sensor is fixedly provided with a measuring electronic strain bridge part (2), the inner side of the measuring electronic strain bridge part (2) is fixedly provided with a pressure transmission surface (3), and the inner side of the pressure transmission surface (3) is provided with a stress bearing surface (4).

2. The novel clamping force sensor convenient to use of claim 1, wherein: the two sides of the stress bearing face (4) are provided with adjusting mechanisms (5), one ends of the adjusting mechanisms (5) are fixed on the outer wall of the stress bearing face (4), and the other ends of the adjusting mechanisms (5) are fixed on the inner wall of the pressure conduction face (3).

3. The novel clamping force sensor convenient to use of claim 2, wherein: the bearing pressure bearing face (4) comprises a first step face (41) and a second step face (42), the inner side of the first step face (41) is fixedly provided with the second step face (42), and the outer wall of the first step face (41) is fixedly connected with the adjusting mechanism (5).

4. The novel clamping force sensor convenient to use of claim 2, wherein: adjustment mechanism (5) are including fixed part (51), moving part (52) and chucking part (53), fixed part (51) are fixed on the inner wall of pressure conduction face (3), one side of fixed part (51) is equipped with moving part (52), moving part (52) are fixed on the outer wall of first step face (41), fixed chucking part (53) that are equipped with on the outer wall of fixed part (51), chucking part (53) cup joint in the one end outside of moving part (52).

5. The novel clamping force sensor convenient to use of claim 4, wherein: the fixing part (51) comprises a first fixing plate (511) and a fixing rod (512), the first fixing plate (511) is fixed on the inner wall of the pressure conduction surface (3), and the fixing rod (512) is fixedly arranged on the side wall of the first fixing plate (511).

6. The novel clamping force sensor convenient to use of claim 4, wherein: the moving component (52) comprises a second fixing plate (521) and a moving rod (522), the second fixing plate (521) is fixed on the outer wall of the first step surface (41), and the moving rod (522) is fixedly arranged on the side wall of the second fixing plate (521).

7. The novel clamping force sensor convenient to use of claim 4, wherein: the clamping part (53) comprises a clamping ring (531) and a nut (532), the clamping ring (531) is fixedly sleeved on the outer side of the fixing rod (512), one end of the clamping ring (531) is open, and one end of the clamping ring (531) is sleeved on the outer side of the moving rod (522).

8. The novel clamping force sensor convenient to use of claim 1, wherein: the outer wall of the metal main body (1) special for the rigid elastic sensor is fixedly provided with a lead (6), one end of the lead (6) penetrates through the metal main body (1) special for the rigid elastic sensor, one end of the lead (6) is fixedly connected with the electronic strain measurement bridge circuit component (2), and the other end of the lead (6) is electrically connected with an external display device.