CN219766690U

CN219766690U - Pulling rivet tool capable of detecting tensile force

Info

Publication number: CN219766690U
Application number: CN202321157733.7U
Authority: CN
Inventors: 吴明祥
Original assignee: Shanghai Weiruodun Machinery Manufacturing Co ltd
Current assignee: Shanghai Weiruodun Machinery Manufacturing Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-09-29
Anticipated expiration: 2033-05-12

Abstract

The utility model relates to the field of riveting tools, and discloses a pull riveting tool capable of detecting pulling force, which comprises a shell main body, a pull riveting assembly and a ball screw pair force-increasing pulling assembly, wherein the ball screw pair force-increasing pulling assembly is arranged in the shell main body, a rotating piece is arranged on one side, close to the pull riveting assembly, of the ball screw pair force-increasing pulling assembly, a pressure sensor is arranged on one side, far away from the ball screw pair force-increasing pulling assembly, of the rotating piece, the pressure sensor is fixed in the shell main body and is used for detecting the pulling force of the ball screw pair force-increasing pulling assembly, and a driving assembly used for driving the ball screw pair force-increasing pulling assembly to rotate is arranged in the shell main body. The utility model has the advantages of more accurately tightening the fixed rivet and improving the effect of rivet fixation.

Description

Pulling rivet tool capable of detecting tensile force

Technical Field

The utility model relates to the field of riveting tools, in particular to a pull riveting tool capable of detecting pulling force.

Background

The existing ring slot rivet riveting tool is a special riveting tool for ring slot rivets, and the ring slot rivet riveting tools widely used at present are all pneumatic-hydraulic ring slot rivet riveting tools or hydraulic ring slot rivet riveting tools.

The utility model patent No. CN213436970U teaches a rechargeable electric rivet riveting tool which comprises a shell, a gear transmission assembly, a ball screw pair reinforcement pulling assembly, a stroke control assembly, a rivet pulling assembly, a direct current brushless motor and a rechargeable battery.

For the above related art, the riveting tool used in the related art cannot observe the tensile force value of the strained rivet, and generally will be determined according to the working experience of the staff, so that the situation that the rivet may be too strained or not fully strained may occur, which seriously affects the use effect of the rivet, and needs to be improved.

Disclosure of Invention

In order to tighten the fixed rivet more accurately and improve the effect of rivet fixation, the utility model provides a pull rivet tool capable of detecting tension.

The utility model provides a pulling rivet tool capable of detecting pulling force, which adopts the following technical scheme:

the utility model provides a tensile rivet pulling tool can detect, includes the shell main part, draws and rivets subassembly, the vice reinforcement pulling subassembly of ball screw install in the shell main part, the vice reinforcement pulling subassembly of ball screw is close to one side of drawing and riveting the subassembly and is provided with the rotating member, the rotating member is kept away from one side of the vice reinforcement pulling subassembly of ball screw is provided with pressure sensor, pressure sensor is fixed in the shell main part, pressure sensor is used for detecting the vice reinforcement pulling subassembly pulling force of ball screw, be provided with in the shell main part and be used for the drive the vice reinforcement pulling subassembly pivoted drive assembly of ball screw.

Through adopting above-mentioned technical scheme, during the use, through the vice reinforcement pulling subassembly of drive assembly drive ball screw to drive and draw the rivet subassembly and draw the rivet and deform, the produced axial pulling force of annular rivet acts on the rotor this moment, and transmits for pressure sensor, thereby can know the pressure that the rivet receives when taut better, thereby can be more convenient according to the pressure when rivet fastening pressure's needs control rivet is taut, make the rivet can fix accurately, and ensure the fixed effect of rivet.

Preferably, the shell main body comprises a gun head shell and a machine body, a limit groove matched with the gun head shell in a plugging manner is formed in one side, close to the gun head shell, of the machine body, the pressure sensor is plugged into the limit groove, a lock nut is rotationally connected to the gun head shell, and the lock nut is connected to the machine body in a threaded fit manner.

By adopting the technical scheme, the gun head shell is matched with the limiting groove to lock the pressure sensor, so that the stability of the pressure sensor fixation is improved.

Preferably, a protection pad is arranged on one side of the gun head shell, which is close to the pressure sensor.

Through adopting above-mentioned technical scheme, can protect pressure transmitter better, reduce when rifle head casing installs to pressure sensor produces the damage, improve pressure sensor's life.

Preferably, the driving assembly comprises a driving motor and a power supply, the driving motor is electrically connected with the power supply, a driving gear is rotationally connected on the driving motor, a gear transmission assembly is rotationally connected in the shell main body, the gear transmission assembly is meshed with the ball screw pair reinforcement pulling assembly, and the driving gear is meshed with the gear transmission assembly.

By adopting the technical scheme, the ball screw pair reinforcement pulling assembly can be rotated, and the convenience of driving the ball screw pair reinforcement pulling assembly is improved.

Preferably, the gear transmission assembly consists of a first gear and a second gear, the ball screw pair reinforcement pulling assembly is meshed with the first gear, the driving gear is meshed with the second gear, and the outer diameter of the first gear is smaller than that of the second gear.

Through adopting above-mentioned technical scheme, first gear and second gear cooperation can reach the effect that reduces the rotational speed, increases the vice reinforcement pulling subassembly convenience of rolling ball screw, improves the stability of using the riveting instrument.

Preferably, a limit pad is arranged on one side, close to the rotating piece, of the pressure sensor, the limit pad is abutted to the bottom of the limit groove, a plug hole is formed in the limit pad along the axis direction of the rotating piece, and the inner wall of the plug hole is abutted to the inner wall of the rivet pulling assembly.

Through adopting above-mentioned technical scheme, can increase the area of contact between rotating piece and the pressure sensor, not only can ensure the degree of accuracy of measuring pressure better, can also reduce because pressure sensor atress is uneven produces the damage to its inner structure, improves the convenience of using pressure sensor.

Preferably, the inner wall of the limiting pad is provided with a sealing ring, and the sealing ring is abutted to the outer wall of the rivet assembly.

Through adopting above-mentioned technical scheme, can ensure temporal structure's leakproofness better, reduce the damage of dust to rivet tool inner structure, ensure rivet tool's life.

Preferably, the outer diameter of the limiting pad is the same as the inner diameter of the protection pad, the limiting pad is connected in the protection pad in a sliding manner, a dust-proof ring is arranged on the outer wall of the limiting pad, and the dust-proof ring is abutted to the protection pad.

Through adopting above-mentioned technical scheme, not only can be better the surrounding pressure sensor, reduce the damage to pressure sensor to slip through protection pad and spacing pad and set up and can introduce the numerical value to pressure sensor measuring and produce the influence, and improve pressure sensor's convenience of using.

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

1. the driving assembly drives the ball screw pair reinforcement pulling assembly to rotate and drives the rivet pulling assembly to pull the rivet to deform, at the moment, the axial pulling force generated by the ring groove rivet acts on the rotating piece and is transmitted to the pressure sensor, so that the pressure born by the rivet during tensioning can be better known, the pressure during tensioning of the rivet can be controlled more conveniently according to the requirement of the rivet fixing pressure, the rivet can be accurately fixed, and the fixing effect of the rivet is ensured;

2. the gun head shell is matched with the limit groove to lock the pressure sensor, so that the stability of the pressure sensor is improved;

3. through setting up spacing pad can increase the area of contact between rotating piece and the pressure sensor, not only can ensure the degree of accuracy of measuring pressure better, can also reduce because pressure sensor atress is uneven produces the damage to its inner structure, improves the convenience of using pressure sensor.

Drawings

Fig. 1 is a cross-sectional view of a pull rivet tool of embodiment 1 of the present utility model, which can detect pulling force.

Fig. 2 is an enlarged schematic view of the portion a in fig. 1.

Fig. 3 is a cross-sectional view showing a limit pad in a highlighting manner according to embodiment 1 of the present utility model.

Reference numerals: 1. a rivet assembly; 2. the ball screw pair boosting pulling assembly; 3. a case main body; 31. a gun head housing; 32. a body; 33. a lock nut; 4. a first gear; 5. a second gear; 6. a drive gear; 7. a driving motor; 8. a power supply; 9. a pressure sensor; 10. a rotating member; 11. a protective pad; 12. a seal ring; 13. a dust-proof ring; 14. a limit pad; 15. a switch; 16. and a limit groove.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses a pull rivet tool capable of detecting tension.

Example 1:

referring to fig. 1 and 2, a pull rivet tool capable of detecting tensile force comprises a shell main body 3, a pull rivet assembly 1 and a ball screw pair reinforcement pulling assembly 2, wherein the ball screw pair reinforcement pulling assembly 2 is rotatably connected in the shell main body 3, the pull rivet assembly 1 and the ball screw pair reinforcement pulling assembly 2 are matched for tensioning a rivet and deforming the rivet, so that the effect of fixing the rivet is achieved. The ball screw pair reinforcement pulling assembly 2 is close to one side of the tensioning assembly and is coaxial and abutted to the rotating piece 10, the rotating piece 10 is a thrust ball bearing, one end of the rotating piece 10, which is far away from the ball screw pair reinforcement pulling assembly 2, is abutted to the pressure sensor 9, the pressure sensor 9 is an annular pressure device, the pressure sensor 9 is fixed in the shell main body 3, when the ball screw pair reinforcement pulling assembly 2 is stressed, the pressure sensor 9 is acted on, and therefore the pressure during rivet pressing is measured, the rivet fixing requirement can be met more conveniently, and the rivet fixing effect is improved.

Be provided with the PBC board that is fixed with in the shell main part 3, PBC board is connected to pressure sensor 9 electricity, still is provided with the display on the shell main part 3, and PBC board is connected to the display electricity, handles through the PBC board to make pressure sensor 9's pressure numerical value show on the display, thereby let the user be convenient for observe the change of pressure more conveniently.

The shell main body 3 comprises a gun head shell 31 and a machine body 32, wherein a limit groove 16 which is in plug-in fit with the gun head shell 31 is formed in one side, close to the gun head shell 31, of the machine body 32, the limit groove 16 is in a ring shape, the inner diameter of the limit groove is the same as the outer diameter of the pressure sensor 9, and the pressure sensor 9 is plugged in the limit groove 16 and is abutted to the bottom of the limit groove 16. The gun head shell 31 is rotatably connected with a lock nut 33, the lock nut 33 is connected to the machine body 32 in a threaded fit manner, and the pressure sensor 9 can be locked by screwing the lock nut 33, so that the purpose of fixing the pressure sensor 9 is achieved. The gun head shell 31 is provided with a protection pad 11 at one side close to the pressure sensor 9, and the protection pad 11 is in a ring shape.

The drive assembly comprises a drive motor 7 and a power supply 8, wherein the power supply 8 is a rechargeable battery, the rechargeable battery is inserted and installed at the bottom of the shell main body 3, the drive motor 7 is electrically connected to the power supply 8, the drive motor 7 is driven to rotate by the power supply 8, a switch 15 is fixed on the shell main body 3, and the switch 15 of the power supply 8 and the drive motor 7 is controlled by the switch 15. The driving motor 7 is rotationally connected with a power supply 8, the shell body 3 is rotationally connected with a gear transmission group, the gear transmission group is composed of a first gear 4 and a second gear 5, and the first gear 4 is fixedly connected with the second gear 5. The first gear 4 is meshed with the ball screw pair reinforcement pulling assembly 2, the second gear 5 is meshed with the driving gear 6, and the outer diameter of the first gear 4 is smaller than the outer diameter of the second gear 5, so that the effect of reducing the rotation speed of the ball screw pair reinforcement pulling assembly 2 can be achieved according to the transmission ratio of the gears, and the ball screw pair reinforcement pulling assembly 2 can have larger torsion when rotating, and the convenience of using a rivet pulling tool is improved.

The implementation principle of the embodiment 1 is as follows: during the use, insert rivet and draw in riveting subassembly 1, pull the rivet under the vice reinforcement pulling subassembly of ball screw 2's effect to make the rivet take place deformation, thereby reach the effect of fixed rivet, accessible pressure sensor 9 measures the pressure when the rivet compresses tightly after taut, thereby according to the demand of using, adjust the size of positive pressure, make the rivet fix more accurately, can ensure the firmness of rivet fixation.

Example 2:

referring to fig. 3, a pull rivet tool capable of detecting tension is different from embodiment 1 in that a side of a pressure sensor 9, which is close to a rotating member 10, is abutted with a limiting pad 14, the limiting pad 14 is T-shaped, and the limiting pad 14 is abutted against the bottom of a limiting groove 16, so that the pressure sensor 9 can be abutted against the limiting pad 14, and the stress of the pressure sensor 9 is more stable. The limiting pad 14 is provided with a plug hole along the axial direction of the rotating piece 10, and the inner wall of the plug hole is abutted on the inner wall of the rivet assembly 1, so that the limiting pad 14 can slide more smoothly, and the stability of the fixing of the pressure sensor 9 is improved.

The sealing ring 12 is installed to spacing pad 14 inner wall, and sealing ring 12 butt is on the riveting subassembly 1 outer wall to impurity such as can reduce dust get into in the shell main part 3, reduce the damage to the part in the shell main part 3, ensure the stability of riveting instrument use. The external diameter of the limiting pad 14 is the same as the internal diameter of the protection pad 11, the limiting pad 14 is connected in the protection pad 11 in a sliding way, the dustproof ring 13 is arranged on the external wall of the limiting pad 14, the dustproof ring 13 and the sealing ring 12 are made of rubber materials, and the dustproof ring 13 is abutted on the protection pad 11, so that the purpose of sealing the pressure sensor 9 is achieved, and the use convenience of the pressure sensor 9 is improved.

The implementation principle of the embodiment 2 is as follows: the difference from embodiment 1 is that the shell body 3 and the pressure sensor 9 can be sealed by the limit pad 14, so that the entry of dust and impurities is reduced, and the service life of the rivet pulling tool is ensured.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a pull rivet instrument of detectable pulling force which characterized in that: including shell main part (3), pull rivet subassembly (1), vice reinforcement pulling subassembly of ball screw (2) install in shell main part (3), one side that the vice reinforcement pulling subassembly of ball screw (2) is close to pull rivet subassembly (1) is provided with rotation piece (10), rotation piece (10) are kept away from one side that vice reinforcement pulling subassembly of ball screw (2) is provided with pressure sensor (9), pressure sensor (9) are fixed in shell main part (3), pressure sensor (9) are used for detecting vice reinforcement pulling subassembly of ball screw (2) pressure, be provided with in shell main part (3) and be used for the drive vice reinforcement pulling subassembly of ball screw (2) pivoted drive assembly.

2. The pull rivet tool of claim 1, wherein the pull rivet tool comprises: the shell main body (3) comprises a gun head shell (31) and a machine body (32), a limit groove (16) which is matched with the gun head shell (31) in a plugging mode is formed in one side, close to the gun head shell (31), of the machine body (32), the pressure sensor (9) is plugged into the limit groove (16), a lock nut (33) is rotationally connected onto the gun head shell (31), and the lock nut (33) is connected onto the machine body (32) in a threaded mode.

3. A pull rivet tool for detecting tension as set forth in claim 2, wherein: and a protective pad (11) is arranged on one side of the gun head shell (31) close to the pressure sensor (9).

4. The pull rivet tool of claim 1, wherein the pull rivet tool comprises: the driving assembly comprises a driving motor (7) and a power supply (8), the driving motor (7) is electrically connected to the power supply (8), a driving gear (6) is rotationally connected to the driving motor (7), a gear transmission assembly is rotationally connected to the shell main body (3), the gear transmission assembly is meshed with the ball screw pair reinforcement pulling assembly (2) mutually, and the driving gear (6) is meshed with the gear transmission assembly.

5. The pull rivet tool of claim 4, wherein the pull rivet tool comprises: the gear transmission assembly consists of a first gear (4) and a second gear (5), the ball screw pair reinforcement pulling assembly (2) is meshed with the first gear (4), the driving gear (6) is meshed with the second gear (5), and the outer diameter of the first gear (4) is smaller than that of the second gear (5).

6. A pull rivet tool for detecting tension as defined in claim 3, wherein: one side of the pressure sensor (9) close to the rotating piece (10) is provided with a limiting pad (14), the limiting pad (14) is abutted to the bottom of the limiting groove (16), the limiting pad (14) is provided with a plug hole along the axis direction of the rotating piece (10), and the inner wall of the plug hole is abutted to the inner wall of the rivet pulling assembly (1).

7. The pull rivet tool of claim 6, wherein the pull rivet tool comprises: the limiting pad (14) inner wall is provided with a sealing ring (12), and the sealing ring (12) is abutted to the outer wall of the rivet pulling assembly (1).

8. The pull rivet tool of claim 7, wherein the pull rivet tool comprises: the outer diameter of the limiting pad (14) is the same as the inner diameter of the protection pad (11), the limiting pad (14) is connected in the protection pad (11) in a sliding mode, a dust-proof ring (13) is arranged on the outer wall of the limiting pad (14), and the dust-proof ring (13) is abutted to the protection pad (11).