CN218239145U

CN218239145U - Pressure and torsion detection device

Info

Publication number: CN218239145U
Application number: CN202222269808.2U
Authority: CN
Inventors: 郑学武
Original assignee: Kingsun Automation Technology Dongguan Co ltd
Current assignee: Kingsun Automation Technology Dongguan Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-01-06
Anticipated expiration: 2032-08-26

Abstract

The utility model relates to the technical field of detection devices of electric screwdrivers, in particular to a pressure and torsion detection device; the testing device comprises a testing head, a conducting piece, a pressure sensing assembly, a torsion sensing assembly and a shell; the conduction piece comprises a middle plate, a rod part and a clamping block, the rod part and the clamping block are respectively positioned on two sides of the middle plate, the middle plate is connected with the shell, the rod part extends into the shell, and the testing head is rotatably connected with the rod part; the pressure sensing assembly is arranged below the middle plate and is abutted against the middle plate; the torsion sensing assembly is arranged below the middle plate, and one end of the torsion sensing assembly is connected with the clamping block; through setting up test head, conduction pole, set up pressure sensing subassembly and torsion sensing subassembly, the pressure that the test head receives transmits to pressure sensing subassembly through the conduction pole, and the torsion that the test head receives passes through the conduction pole and transmits to torsion sensing subassembly, realizes the purpose of real-time monitoring pressure and torsion, improves the qualification rate of work piece processing, improves production efficiency.

Description

Pressure and torsion detection device

Technical Field

The utility model relates to an electric screwdriver's detection device technical field especially relates to a pressure and torsion detection device.

Background

The electric screwdriver is widely applied to the technical field of screw connection, the electric screwdriver applies pressure and torsion to the screw connecting piece to achieve the purpose that the screw connecting piece connects a plurality of workpieces, in the actual working process, the torsion and the pressure borne by the screw connecting piece need to be controlled within a reasonable range, otherwise, the phenomenon that a screw is broken or the pressure between a plurality of workpieces is large occurs, the processing quality is influenced, the production requirement is not met, and the improvement is needed.

Disclosure of Invention

In order to overcome the shortcoming that pressure, torsion that exist among the prior art can not in time be monitored, the utility model aims to provide a pressure and torsion detection device realizes the purpose of real-time monitoring pressure, torsion, improves processingquality, improves the product percent of pass.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a pressure and torque detection device comprises a test head, a conduction piece, a pressure sensing assembly, a torque sensing assembly and a shell;

the conducting piece comprises a middle plate, a rod part connected with the middle plate and a clamping block connected with the middle plate, the rod part and the clamping block are respectively positioned on two sides of the middle plate, the middle plate is connected with the shell, the rod part protrudes into the shell, and the testing head is rotatably connected with the rod part;

the pressure sensing assembly is arranged below the middle plate and is abutted against the middle plate;

the torsion sensing assembly is arranged below the middle plate, and one end of the torsion sensing assembly is connected with the clamping block.

Furthermore, the intermediate plate is provided with a convex block, the convex block and the clamping block are positioned at the same side of the intermediate plate, and the pressure sensing assembly is abutted against the convex block.

Furthermore, the detection device further comprises a control board arranged on the shell, and one end, far away from the clamping block, of the torsion sensing assembly is connected with the control board.

Furthermore, the shell comprises a bottom plate and a shell connected with the bottom plate, the control plate is connected with the bottom plate, the middle plate is connected with the shell, and the pressure sensing assembly is fixedly connected with the shell.

Further, the test head comprises a head and a screw, and the head is connected with the screw.

Furthermore, the test head still includes spacing ring and bolster, the screw rod is located to the spacing ring cover, the bolster is located between spacing ring and the intermediate lamella.

Further, the rod part is sleeved with the buffer part.

The utility model has the advantages that: through setting up test head, conduction pole, set up pressure sensing subassembly and torsion sensing subassembly, the pressure that the test head receives transmits to pressure sensing subassembly through the conduction pole, and the torsion that the test head receives passes through the conduction pole and transmits to torsion sensing subassembly, realizes the purpose of real-time monitoring pressure and torsion, improves the qualification rate of work piece processing, improves production efficiency.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a first perspective three-dimensional sectional view of the present invention;

fig. 3 is a second perspective three-dimensional sectional view of the present invention;

FIG. 4 is a schematic view of the split structure of the present invention;

fig. 5 is a schematic view of the split structure of the conduction member and the sleeve of the present invention.

The reference numerals include:

1-test head 11-head 12-screw

13-bearing 14-spacing ring 15-buffer

2-connecting rod 21-intermediate plate 211-projection

22-rod part 23-clamping block 231-left clamping piece

232-right clamping piece 2301-accommodating cavity 2302-clearance

3-pressure sensing component 4-torsion sensing component 5-control panel

6-housing 61-base plate 62-outer shell.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.

Referring to fig. 1 to 5, the pressure and torque detecting device of the present invention includes a testing head 1, a conducting element 2, a pressure sensing assembly 3, a torque sensing assembly 4, a control board 5 and a housing 6;

the conducting piece 2 comprises a middle plate 21, a rod part 22 connected with the middle plate 21 and a clamping block 23 connected with the middle plate 21, the rod part 22 and the clamping block 23 are respectively positioned at two sides of the middle plate 21, the middle plate 21 is connected with the shell 6, the rod part 22 protrudes into the shell 6, and the testing head 1 is rotatably connected with the rod part 22;

the pressure sensing assembly 3 is arranged below the middle plate 21 and is abutted against the middle plate 21;

the torsion sensing assembly 4 is arranged below the middle plate 21, and one end of the torsion sensing assembly 4 is connected with the clamping block 23.

The detection device further comprises a control plate 5 arranged on the shell 6, and one end, far away from the clamping block 23, of the torsion sensing assembly 4 is connected with the control plate 5.

Specifically, in this embodiment, the conducting element 2 includes a rod portion 22, an intermediate plate 21 and a clamping block 23 which are connected in sequence, a radial specification of the intermediate plate 21 is consistent with an inner diameter of the casing 6, the intermediate plate 21 and the casing 6 are fixedly connected through a screw connector, the rod portion 22 protrudes into the casing 6, a free end of the rod portion 22 is connected with the test head 1, the test head 1 is rotatably connected to the rod portion 22, one end of the test head 1 is provided with a groove, the free end of the rod portion 22 is embedded into the groove to achieve connection, and therefore stable connection is achieved, the clamping block 23 is arranged on the other side of the intermediate plate 21, the clamping block 23 clamps the torque sensing assembly 4, the torque sensing assembly 4 is electrically connected with the control board 5, torque generated by the test head 1 and an external screw connector is transmitted to the control board 5 through the rod portion 22, the intermediate plate 21, the clamping block 23 and the torque sensing assembly 4, and finally the purpose of monitoring torque in real time is achieved through digital display; meanwhile, the pressure sensing component 3 is abutted against the middle plate 21, in the working process, the pressure generated by the testing head 1 and an external screw connecting piece is transmitted to the pressure sensing component 3 through the rod part 22 and the middle plate 21, and is finally displayed through numbers, so that the purpose of monitoring the pressure in real time is realized; thereby controlling the magnitude of the external force applied by the electric screwdriver and ensuring the qualification rate of the production quality.

Preferably, the grip block 23 includes left clamping piece 231 and right clamping piece 232, left clamping piece 231, right clamping piece 232 all is the L form, left clamping piece 231, right clamping piece 232 all is connected with intermediate plate 21, left clamping piece 231, right clamping piece 232 encloses with intermediate plate 21 and establishes and is appearance chamber 2301, the free end of left clamping piece 231 and the free end interval of right clamping piece 232 set up and form clearance 2302, torsion sensing component 4 is close to the one end centre gripping of conduction piece 2 in clearance 2302, the pressure that pole portion 22 receives transmits to torsion sensing component 4 through left clamping piece 231, right clamping piece 232, intermediate plate 21, realize the transient response of torsion, improve the response sensitivity. Furthermore, the cavity 2301 is used for accommodating the pressure sensing component 3, so that the connection structure of the transmission piece 2, the pressure sensing component 3 and the torsion sensing component 4 is more reasonable, and the total volume of the detection device is reduced.

Through setting up test head 1, conduction pole 2, set up pressure sensing subassembly 3 and torsion sensing subassembly 4, the pressure that test head 1 receives transmits to pressure sensing subassembly 3 through conduction pole 2, and test head 1 receives torsion transmits to torsion sensing subassembly 4 through conduction pole 2, realizes the purpose of real time monitoring pressure and torsion, improves the qualification rate of work piece processing, improves production efficiency.

The intermediate plate 21 is equipped with lug 211, lug 211 is located the homonymy of intermediate plate 21 with grip block 23, pressure sensing subassembly 3 with lug 211 conflicts, and the setting of lug 211 further improves intermediate plate 21 and pressure sensing subassembly 3's stability of being connected, improves the reliability of detecting the pressure value.

The casing 6 includes bottom plate 61 and the shell 62 of being connected with bottom plate 61, control panel 5 with bottom plate 61 is connected, intermediate plate 21 with shell 62 is connected, pressure sensing subassembly 3 with shell 62 fixed connection, pressure sensing subassembly 3, torsion sensing subassembly 4, control panel 5 all are located shell 62, and shell 62 is big, small-bore form, and the macrostoma is connected with bottom plate 61, plays the purpose of protection pressure sensing subassembly 3, torsion sensing subassembly 4, control panel 5.

The test head 1 comprises a head 11 and a screw 12, the head 11 is connected with the screw 12, the test head further comprises a bearing 13, the bearing 13 is installed in the shell 62 and is connected with the screw 12 in a rotating mode, the head 11 and the screw 12 are of split structures, the head 11 with different specifications can be replaced conveniently, and different use requirements can be met.

The test head 1 further comprises a limiting ring 14 and a buffering piece 15, the screw rod 12 is arranged at the position of the limiting ring 14 in a sleeved mode, the buffering piece 15 is located between the limiting ring 14 and the middle plate 21, the rod portion 22 is arranged at the position of the buffering piece 15 in a sleeved mode, the buffering piece 15 is a spring piece, the two ends of the buffering piece 15 are respectively abutted to the limiting ring 14 and the middle plate 21, the purpose of protecting the rod portion 22 is achieved, and the collision of large external force to the rod portion 22 is avoided.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A pressure and torsion detection device is characterized in that: comprises a testing head (1), a conducting piece (2), a pressure sensing component (3), a torsion sensing component (4) and a shell (6);

the testing device comprises a shell (6), a conducting piece (2) and a testing head, wherein the conducting piece (2) comprises a middle plate (21), a rod part (22) connected with the middle plate (21) and a clamping block (23) connected with the middle plate (21), the rod part (22) and the clamping block (23) are respectively positioned on two sides of the middle plate (21), the middle plate (21) is connected with the shell (6), the rod part (22) protrudes into the shell (6), and the testing head (1) is rotatably connected with the rod part (22);

the pressure sensing assembly (3) is arranged below the middle plate (21) and is abutted against the middle plate (21);

the torsion sensing assembly (4) is arranged below the middle plate (21), and one end of the torsion sensing assembly (4) is connected with the clamping block (23).

2. The pressure and torque detection device according to claim 1, wherein: the middle plate (21) is provided with a convex block (211), the convex block (211) and the clamping block (23) are located on the same side of the middle plate (21), and the pressure sensing assembly (3) is abutted to the convex block (211).

3. The pressure and torque detection device according to claim 1, wherein: the detection device further comprises a control plate (5) arranged on the shell (6), and one end, far away from the clamping block (23), of the torsion sensing assembly (4) is connected with the control plate (5).

4. The pressure and torque detection device according to claim 3, wherein: casing (6) include bottom plate (61) and shell (62) be connected with bottom plate (61), control panel (5) with bottom plate (61) are connected, intermediate plate (21) with shell (62) are connected, pressure sensing subassembly (3) with shell (62) fixed connection.

5. The pressure and torque detection device according to claim 1, wherein: the testing head (1) comprises a head part (11) and a screw rod (12), wherein the head part (11) is connected with the screw rod (12).

6. The pressure and torque detection device according to claim 5, wherein: the testing head (1) further comprises a limiting ring (14) and a buffering piece (15), the screw rod (12) is sleeved with the limiting ring (14), and the buffering piece (15) is located between the limiting ring (14) and the middle plate (21).

7. The pressure and torque detection device according to claim 6, wherein: the buffer piece (15) is sleeved on the rod part (22).