CN213197325U

CN213197325U - Screwdriver torque sensor

Info

Publication number: CN213197325U
Application number: CN202022130198.9U
Authority: CN
Inventors: 邓毅
Original assignee: Suzhou Pt Automation Technology Co ltd
Current assignee: Changzhou Platinum Electric Robot Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-05-14
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a screwdriver torsion sensor, including torsion sensor, reduction gear and motor, the reduction gear sets up the top at the motor, torsion sensor sets up the top at the reduction gear, the top of reduction gear is provided with the output shaft, the inboard of torsion sensor is seted up with the mesopore that corresponds with the output shaft, and the top of output shaft runs through to the outside of torsion sensor, the surface symmetry of reduction gear is provided with two anti-disengaging mechanisms that correspond with torsion sensor; the utility model discloses an install torque sensor at the tip of reduction gear, enable the screw and screw up the in-process better carry out moment of torsion-time, moment of torsion-angle to the screw and monitor, the record realizes that zero is makeed mistakes and screws up, and can prevent through the anti-disengaging mechanism who sets up that torque sensor from taking place to drop in the use, improves torque sensor's stability in use.

Description

Screwdriver torque sensor

Technical Field

The utility model belongs to the technical field of the moment of torsion detects, concretely relates to screwdriver torque sensor.

Background

In the electric appliance accessory products, the screw is mainly used for connection of metal and metal, metal and plastic, plastic and the like, not only plays a basic connection role, but also directly influences the appearance, performance and the like of the product. In industrial production and assembly, requirements are made on shapes and materials of screws, nuts and metal parts, and the tightening torque of the screws is also an important performance index.

The tradition is also the most basic screw tightening mode and just uses ordinary screwdriver, through the mode of complete manual, relies on individual sensation and experience to screw up the screw, because there are torsion unstability, intensity of labour is big, a great deal of drawbacks such as quality does not guarantee, can't be better carry out the monitoring of moment of torsion-time, moment of torsion-angle to the screw tightening in-process, in order to eliminate gradually in actual production, for this reason the utility model provides a screwdriver torque sensor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screwdriver torque sensor to solve the tradition that proposes in the above-mentioned background art also be most basic screw tightening mode and just use ordinary screwdriver, through the mode of complete manual, rely on individual sensation and experience to twist with the screw, owing to there are torsion unstability, intensity of labour is big, a great deal of drawbacks such as quality does not guarantee, can't be better carry out the monitoring of moment of torsion-time, moment of torsion-angle to the screw tightening in-process, in order to eliminate the problem gradually in actual production.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a screwdriver torque sensor, includes torque sensor, reduction gear and motor, the reduction gear sets up the top at the motor, torque sensor sets up the top at the reduction gear, the top of reduction gear is provided with the output shaft, torque sensor's inboard is seted up with the corresponding mesopore of output shaft, just the top of output shaft runs through to torque sensor's the outside, the surface symmetry of reduction gear is provided with two anti-disengaging mechanisms corresponding with torque sensor.

Preferably, anti-disengaging mechanism includes base, L shape anticreep round pin and nose bar, the surface at the reduction gear is fixed to the base, the side at torque sensor is fixed to the nose bar, cylindrical swivelling chute has been seted up to the inside of base, and the inside of cylindrical swivelling chute is provided with rotatory piece, the bottom and the rotatory piece of L shape anticreep round pin are fixed, the peg mouth corresponding with the nose bar has been seted up on the top of L shape anticreep round pin, be equipped with fixed establishment between rotatory piece and the base.

Preferably, the fixing mechanism comprises a fastening screw, a screw hole corresponding to the bottom end of the fastening screw in size is formed in the top of the base, and a thread groove corresponding to the fastening screw is formed in the surface of the rotating block.

Preferably, the side surface of the base is provided with a through hole corresponding to the L-shaped anti-falling pin, and the through hole is communicated with the cylindrical rotating groove.

Preferably, the top end of the output shaft is provided with a shaft sleeve, and a dismounting structure is arranged between the shaft sleeve and the output shaft.

Preferably, the dismounting structure comprises an annular bulge arranged on the inner wall of the shaft sleeve, the annular bulge and the shaft sleeve are of an integrated structure, and an annular recess corresponding to the annular bulge is formed in the surface of the output shaft.

Preferably, the surface of the shaft sleeve is provided with a plurality of annular easy-to-pull openings, and the top end of the shaft sleeve is hemispherical.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an install torque sensor at the tip of reduction gear, enable the screw and screw up the in-process better carry out moment of torsion-time, moment of torsion-angle to the screw and monitor, the record realizes that zero is makeed mistakes and screws up, and can prevent through the anti-disengaging mechanism who sets up that torque sensor from taking place to drop in the use, improves torque sensor's stability in use.

2. Through axle sleeve, annular arch, annular sunken and annular easy-open mouth that sets up for the output shaft is depositing and the transportation in, and operating personnel can install the axle sleeve at the tip of output shaft, thereby plays good guard action to the output shaft, prevents that the output shaft from taking place to wipe with external object and bump and damage, and when follow-up needs are connected output shaft and external transmission, only need with the axle sleeve pull down fast can.

Drawings

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

FIG. 2 is an enlarged view of a portion of the area A in FIG. 1 according to the present invention;

FIG. 3 is a side view of the joint of the L-shaped anti-slip pin and the protruding rod of the present invention;

FIG. 4 is a cross-sectional view of the joint between the L-shaped anti-slip pin and the base of the present invention;

fig. 5 is a cross-sectional view of the connection between the shaft sleeve and the output shaft according to embodiment 2 of the present invention;

in the figure: 1. a torque sensor; 2. a speed reducer; 3. a motor; 4. a base; 5. an L-shaped anti-drop pin; 6. an output shaft; 7. a shaft sleeve; 8. a nose bar; 9. fastening screws; 10. a rod hanging port; 11. rotating the block; 12. a thread groove; 13. an annular projection; 14. an annular recess; 15. an annular easy-open mouth.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a screwdriver torque sensor, including torque sensor 1, reduction gear 2 and motor 3, reduction gear 2 sets up the top at motor 3, torque sensor 1 sets up the top at reduction gear 2, the top of reduction gear 2 is provided with output shaft 6, torque sensor 1's inboard is seted up with the corresponding mesopore of output shaft 6, and the top of output shaft 6 runs through to torque sensor 1's the outside, use motor 3, reduction gear 2 torque sensor 1 combines together the design, set for the torque scope through the programming in daily operation, can realize accurate torque control and detection, reduction gear 2's surface symmetry is provided with two anti-disengaging mechanism corresponding with torque sensor 1.

In this embodiment, it is preferred, anti-disengaging mechanism includes base 4, L shape anticreep round pin 5 and

nose bar

8, 4 welded fastening of base is on the surface of

reduction gear

2, 8 welded fastening of nose bar is in torque sensor 1's side, cylindrical swivelling chute has been seted up to the inside of base 4, and the inside of cylindrical swivelling chute is provided with swivel block 11, L shape anticreep round pin 5's bottom and swivel block 11 welded fastening, peg mouth 10 corresponding with nose bar 8 is seted up on L shape anticreep round pin 5's top, 8 cards of nose bar are in the inboard of peg mouth 10, make L shape anticreep round pin 5 can play good anticreep effect to torque sensor 1, be equipped with fixed establishment between swivel block 11 and the base 4.

In this embodiment, preferably, the fixing mechanism includes a fastening screw 9, the top of the base 4 is provided with a screw hole corresponding to the size of the bottom end of the fastening screw 9, and the surface of the rotating block 11 is provided with a threaded groove 12 corresponding to the fastening screw 9, so that the rotating block 11 and the L-shaped anti-slip pin 5 can be fixed.

In this embodiment, preferably, a through hole corresponding to the L-shaped anti-slip pin 5 is formed in the side surface of the base 4, and the through hole is communicated with the cylindrical rotation groove, so that the bottom end of the L-shaped anti-slip pin 5 can smoothly penetrate into the cylindrical rotation groove to be welded and fixed with the rotation block 11.

Example 2

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a screwdriver torque sensor, including torque sensor 1, reduction gear 2 and motor 3, reduction gear 2 sets up the top at motor 3, torque sensor 1 sets up the top at reduction gear 2, the top of reduction gear 2 is provided with output shaft 6, torque sensor 1's inboard is seted up with the corresponding mesopore of output shaft 6, and the top of output shaft 6 runs through to torque sensor 1's the outside, use motor 3, reduction gear 2 torque sensor 1 combines together the design, set for the torque scope through the programming in daily operation, can realize accurate torque control and detection, reduction gear 2's surface symmetry is provided with two anti-disengaging mechanism corresponding with torque sensor 1.

nose bar

8, 4 welded fastening of base is on the surface of

reduction gear

In this embodiment, preferably, a shaft sleeve 7 is installed at the top end of the output shaft 6, the shaft sleeve 7 is made of rubber, so that the output shaft 6 can be well protected during storage and transportation, and a dismounting structure is arranged between the shaft sleeve 7 and the output shaft 6.

In this embodiment, preferably, the dismounting structure includes an annular protrusion 13 disposed on an inner wall of the shaft sleeve 7, the annular protrusion 13 and the shaft sleeve 7 are integrated, the annular protrusion 13 is a rubber member, and an annular recess 14 corresponding to the annular protrusion 13 is disposed on a surface of the output shaft 6, so that the shaft sleeve 7 can be smoothly clamped on the surface of the output shaft 6 and is not easy to fall off.

In this embodiment, preferably, the surface of the shaft sleeve 7 is provided with a plurality of annular easy-to-pull openings 15, so that an operator can easily detach the shaft sleeve 7 for pulling, and the top end of the shaft sleeve 7 is hemispherical.

The model of the middle torsion sensor 1 of the utility model is OMEGA-TQ202/TQM 202;

the model of the motor 3 in the utility model is HFK-N30 TA;

the model of the speed reducer 2 in the utility model is ASLONG 25 GA;

the utility model discloses a theory of operation and use flow: the torque sensor 1 is arranged at the end part of the speed reducer 2 when in use, the motor 3 and the speed reducer 2 are combined to design the torque sensor 1, the torque range is set through programming in daily operation, precise torque control and detection can be realized, when the torque is too large or too small to exceed the torque range set through programming due to the problems of tooth sliding, floating lock and the like, an alarm can be given out, the quality of a product is improved, a database is constructed through data acquisition, the production condition can be tracked and analyzed in real time, the problem can be found and processed in time, after the torque sensor 1 is arranged at the end part of the speed reducer 2, the L-shaped anti-disengaging pin 5 can be rotated, so that the rotating block 11 rotates in the cylindrical rotating groove, the top end of the L-shaped anti-disengaging pin 5 can rotate towards the direction of the convex rod 8 until the convex rod 8 can be clamped into the inner side of the hanging rod opening 10, and at the moment, the thread groove 12 can be aligned, an operator only needs to screw the bottom end of the fastening screw 9 into the thread groove 12 and tighten the fastening screw, so that the rotating block 11 can be fixed, and the limit of the L-shaped anti-falling pin 5 is completed, so that the L-shaped anti-falling pin 5 can play a good anti-falling role in the torsion sensor 1, the torsion sensor 1 is prevented from falling off in the subsequent use process, and the use stability of the torsion sensor 1 is improved;

in this device is deposited and the transportation, operating personnel can be with the cover of axle sleeve 7 power on the surface of output shaft 6, cause annular protrusion 13 to receive the extrusion to take place elastic deformation and block into the inboard of annular sunken 14, can block axle sleeve 7 on the surface of output shaft 6, and play good guard action to output shaft 6, prevent that output shaft 6 from taking place to rub with external object and bumping and damaging in depositing and the transportation, and when follow-up needs are connected output shaft 6 with external transmission, only need the side of axle sleeve 7 power to be drawn, cause annular protrusion 13 to be extruded from annular sunken 14, can be smooth pull out axle sleeve 7, and carry out normal being connected with output shaft 6 and external transmission.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A screwdriver torque sensor which is characterized in that: including torque sensor (1), reduction gear (2) and motor (3), reduction gear (2) set up the top at motor (3), torque sensor (1) sets up the top at reduction gear (2), the top of reduction gear (2) is provided with output shaft (6), the corresponding mesopore with output shaft (6) is seted up to torque sensor (1) inboard, just the top of output shaft (6) runs through to torque sensor (1) the outside, the surface symmetry of reduction gear (2) is provided with two anti-disengaging mechanism corresponding with torque sensor (1).

2. The screwdriver torque sensor as recited in claim 1, wherein: anti-disengaging mechanism includes base (4), L shape anticreep round pin (5) and nose bar (8), the surface at reduction gear (2) is fixed in base (4), the side at torque sensor (1) is fixed in nose bar (8), cylindrical swivelling chute has been seted up to the inside of base (4), and the inside of cylindrical swivelling chute is provided with rotatory piece (11), the bottom of L shape anticreep round pin (5) is fixed with rotatory piece (11), peg mouth (10) corresponding with nose bar (8) are seted up on the top of L shape anticreep round pin (5), be equipped with fixed establishment between rotatory piece (11) and base (4).

3. The screwdriver torque sensor as recited in claim 2, wherein: the fixing mechanism comprises a fastening screw (9), a screw hole corresponding to the bottom end of the fastening screw (9) in size is formed in the top of the base (4), and a thread groove (12) corresponding to the fastening screw (9) is formed in the surface of the rotating block (11).

4. The screwdriver torque sensor as recited in claim 2, wherein: the side surface of the base (4) is provided with a through hole corresponding to the L-shaped anti-falling pin (5), and the through hole is communicated with the cylindrical rotating groove.

5. The screwdriver torque sensor as recited in claim 1, wherein: a shaft sleeve (7) is installed at the top end of the output shaft (6), and a dismounting structure is arranged between the shaft sleeve (7) and the output shaft (6).

6. The screwdriver torque sensor as in claim 5, wherein: the dismounting structure comprises an annular bulge (13) arranged on the inner wall of the shaft sleeve (7), the annular bulge (13) and the shaft sleeve (7) are of an integrated structure, and an annular recess (14) corresponding to the annular bulge (13) is formed in the surface of the output shaft (6).

7. The screwdriver torque sensor as in claim 5, wherein: the surface of the shaft sleeve (7) is provided with a plurality of annular easy-to-pull openings (15), and the top end of the shaft sleeve (7) is hemispherical.