CN215617727U

CN215617727U - Intelligent servo electric screwdriver capable of adjusting three-level torque

Info

Publication number: CN215617727U
Application number: CN202120838785.5U
Authority: CN
Inventors: 姜帅琦; 孙玮玮; 陈庚
Original assignee: Suzhou Bailai Automation Technology Co ltd
Current assignee: Suzhou Bailai Automation Technology Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2022-01-25
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses an intelligent servo electric screwdriver capable of adjusting three-level torque, which belongs to the technical field of servo electric screwdrivers and comprises an intelligent servo electric screwdriver, wherein the intelligent servo electric screwdriver is formed by combining a shell assembly, a torque adjusting device and a shifting device, the number of teeth of a first driven gear is less than that of a second driven gear and less than that of a third driven gear and less than that of a fourth driven gear, so that the second driven gear and the torque gear are first torque, a second torque is formed when a meshing device is spliced with the torque gear in tooth connection with the third driven gear, and a third torque is formed when the meshing device is spliced with the torque gear in tooth connection with the fourth driven gear, so that the effect of adjusting three-level torque is achieved, and different torques can be adjusted according to requirements by the intelligent servo electric screwdriver.

Description

Intelligent servo electric screwdriver capable of adjusting three-level torque

Technical Field

The utility model belongs to the technical field of servo electric screwdriver, and particularly relates to an intelligent servo electric screwdriver capable of adjusting three-level torque.

Background

An electric screwdriver, also known as a screwdriver or an electric screwdriver, is an electric tool for screwing and unscrewing screws. The electric tool is provided with a mechanism for adjusting and limiting torque, is mainly used for assembly lines, and is one of necessary tools for most production enterprises. The electric screwdriver is used as a mechanical part, a screwdriver power supply can not be switched on when the electric screwdriver works normally, and the screwdriver power supply provides energy and related control functions for the electric screwdriver. Driving the motor to rotate. Because the parameters of the electric screwdriver motors are different, the rotating speeds are different under the condition that the electric screwdriver power supply outputs the same power.

The existing electric screwdriver can only adjust the torque according to the torque of the motor, does not have the function of adjusting the torque, and cannot adjust the torque at any time according to the requirement.

SUMMERY OF THE UTILITY MODEL

The utility model provides an intelligent servo electric screwdriver capable of adjusting three-level torque, aiming at solving the problems that the existing electric screwdriver can only adjust the torque according to the torque of a motor, does not have the function of adjusting the torque and cannot adjust the torque at any time according to needs.

In order to solve the above problems, the present invention adopts the following technical solutions.

An intelligent servo electric screwdriver capable of adjusting three-level torque comprises an intelligent servo electric screwdriver, wherein the intelligent servo electric screwdriver is formed by combining a shell assembly, a torque adjusting device and a shifting device, the torque adjusting device is assembled inside the shell assembly, and the shifting device is assembled on one side of the shell assembly; the torque adjusting device is formed by combining a power device, a driven device and a torque allocating device, the power device is in gear joint with the driven device, the driven device is in gear joint with the torque allocating device, the power device comprises a servo motor, and one end of the servo motor is connected with a driving gear.

Preferably, the driven device comprises a first driving rod, one end of the first driving rod is provided with a first driven gear, the other end of the first driving rod is provided with a fourth driven gear, a third driven gear and a second driven gear are arranged between the first driven gear and the fourth driven gear, and the number of teeth of the first driven gear is less than that of the second driven gear and less than that of the third driven gear and less than that of the fourth driven gear.

Preferably, the torque blending device comprises a second transmission rod, the second transmission rod is provided with three rotating grooves, one end of the second transmission rod is provided with a fixed sleeve, a screw head is assembled on the fixed sleeve, two torque gears are assembled on the second transmission rod, a connecting pipe is assembled on the torque gears, and the connecting pipe is provided with a plurality of tooth grooves.

Preferably, the second driven gear, the third driven gear and the fourth driven gear are in gear joint with the torque gear, a gear joint device is sleeved among the torque gears in gear joint with the second driven gear, the third driven gear and the fourth driven gear, and the torque gears are in rotary connection with the rotary grooves.

Preferably, the meshing device comprises a sleeve ring and a sleeve, wherein a toggle groove is formed in the outer wall of the sleeve ring, symmetrical sliding blocks are arranged on the inner wall of the sleeve ring, symmetrical second sliding grooves are formed in the outer wall of the sleeve, and the second sliding grooves are clamped with the sliding blocks.

Preferably, the toggle device comprises a toggle block, one side of the toggle block is provided with a sliding plate, the back surface of the sliding plate is provided with an inserting plate, and the inserting plate is inserted into the toggle groove.

Preferably, the housing assembly comprises a housing, the bottom of the housing is provided with an installation through hole, one side of the housing is provided with an installation groove, and the left side and the right side inside the installation groove are provided with first sliding grooves; be used for assembling the adjustment torque device through the installation through-hole, mounting groove and first spout are used for assembling toggle.

Preferably, still include protection device, be equipped with the inserted block on the outer wall of screw head one end, and one end is equipped with the spring, and is provided with the slot on the inner wall of fixed cover one end, and the inserted block inserts the slot, and fixed cover has certain interval with the rotation groove, and rotates the groove lower extreme and be provided with the slot equally.

Advantageous effects

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

(1) in the utility model, the servo motor rotates to drive the driving gear to drive the first driven gear to drive the driven device to rotate together, the second driven gear, the third driven gear and the fourth driven gear drive the torque gear to rotate on the outer wall of the second transmission rod through the rotation of the driven device, the poking block pokes the upper torque gear to enable the sliding block to slide along the second sliding groove and be clamped into the tooth socket, so that the upper torque gear drives the lantern ring and enables the sleeve to drive the second transmission rod to rotate, and the screw head rotates, because the number of teeth of the first driven gear is less than that of the second driven gear and less than that of the third driven gear and less than that of the fourth driven gear, the second driven gear and the torque gear are first torque, the torque gear is second torque when the meshing device is in inserted connection with the torque gear in tooth connection with the third driven gear, and the torque gear in inserted connection with the fourth driven gear is third torque, thereby the effect of adjustable tertiary moment of torsion has been reached, can make the servo electric screwdriver of intelligence adjust different moments of torsion as required.

(2) According to the utility model, when the screw head is used, the screw head is attached to the rotating groove by pressing, and the insertion block is inserted into the insertion groove at the bottom of the rotating groove, so that the screw head rotates, and the screw head does not rotate when not pressed, so that the screw head can be ensured not to rotate when not pressed when the servo motor is started, and the operator is prevented from being injured.

Drawings

FIG. 1 is a schematic diagram of an intelligent servo electric batch with three-level torque adjustable according to the present invention;

FIG. 2 is a schematic view of the housing assembly of the present invention;

FIG. 3 is a schematic view of a torque adjusting device according to the present invention;

FIG. 4 is a schematic view of the power plant of the present invention;

FIG. 5 is a schematic view of a driven device according to the present invention;

FIG. 6 is a schematic structural diagram of a torque allocating apparatus according to the present invention;

FIG. 7 is a schematic view of a second driving rod according to the present invention;

FIG. 8 is a schematic view of a torque gear configuration of the present invention;

FIG. 9 is a schematic view of a ratcheting device of the present invention;

FIG. 10 is a schematic view of a toggle mechanism of the present invention;

FIG. 11 is a schematic view of the protection device according to the present invention;

FIG. 12 is a schematic view of the structure of the fixing sheath of the present invention;

fig. 13 is a schematic view showing a connection sectional structure of the fixing sleeve of the present invention.

The corresponding relationship between the reference numbers of the figures and the names of the components in the figures is as follows:

1. intelligent servo electric screwdriver;

2. a housing assembly; 21. a housing; 22. mounting a through hole; 23. mounting grooves; 24. a first chute;

3. a torque adjusting device; 31. a power plant; 311. a servo motor; 312. a driving gear;

32. a driven device; 321. a first driven gear; 322. a first drive lever; 323. a second driven gear;

324. a third driven gear; 325. a fourth driven gear; 33. a torque blending device; 331. a second transmission rod;

3311. a rotating groove; 332. a torque gear; 3321. a connecting pipe; 3322. a tooth socket; 333. a ratcheting device;

3331. a collar; 3332. a poking groove; 3333. a slider; 3334. a sleeve; 3335. a second chute;

334. fixing a sleeve; 335. a screw head;

4. a shifting device; 41. a shifting block; 42. a slide plate; 43. inserting plates;

5. a protection device; 51. inserting a block; 52. a spring; 53. and (4) a slot.

Detailed Description

The utility model is further described below in connection with specific embodiments.

Example 1

As shown in fig. 1, which is a schematic structural diagram of an intelligent servo electric batch with adjustable three-level torque according to a preferred embodiment of the present invention, the intelligent servo electric batch with adjustable three-level torque of the present embodiment includes an intelligent servo electric batch 1, the intelligent servo electric batch 1 is formed by combining a housing assembly 2, an adjusting torque device 3 and a toggle device 4, the adjusting torque device 3 is assembled inside the housing assembly 2, and the toggle device 4 is assembled at one side of the housing assembly 2.

As shown in fig. 2, which is a schematic structural diagram of the housing assembly of the present invention, the housing assembly 2 includes a housing 21, a mounting through hole 22 is formed at the bottom of the housing 21, a mounting groove 23 is formed at one side of the housing 21, and first sliding grooves 24 are formed at left and right sides inside the mounting groove 23.

As shown in fig. 3-4, which is a schematic structural diagram of a torque adjusting device and a power device according to the present invention, the torque adjusting device 3 is formed by combining a power device 31, a driven device 32 and a torque adjusting device 33, the power device 31 is in gear connection with the driven device 32, the driven device 32 is in gear connection with the torque adjusting device 33, the power device 31 includes a servo motor 311, and one end of the servo motor 311 is connected to a driving gear 312; the driven device 32 is driven to rotate by the rotation of the power device 31, and the torque adjusting device 33 is adjusted to achieve the effect of adjusting the torque.

As shown in fig. 4, which is a schematic diagram of the structure of the driven device in the present invention, the driven device 32 includes a first driving rod 322, one end of the first driving rod 322 is equipped with a first driven gear 321, the other end is equipped with a fourth driven gear 325, and a third driven gear 324 and a second driven gear 323 are equipped between the first driven gear 321 and the fourth driven gear 325, the number of teeth of the first driven gear 321 < the second driven gear 323 < the third driven gear 324 < the fourth driven gear 325; the torque adjusting effect can be achieved by the number of teeth of the first driven gear 321 < the second driven gear 323 < the third driven gear 324 < the fourth driven gear 325.

As shown in fig. 5-9, which are schematic structural diagrams of the torque adjustment device of the present invention, the torque adjustment device 33 includes a second transmission rod 331, the second transmission rod 331 is provided with three rotation slots 3311, a fixing sleeve 334 is assembled at one end of the second transmission rod 331, a screw head 335 is assembled on the fixing sleeve 334, two torque gears 332 are assembled on the second transmission rod 331, a connection pipe 3321 is assembled on the torque gears 332, and a plurality of tooth slots 3322 are disposed on the connection pipe 3321.

The meshing device 333 comprises a sleeve ring 3331 and a sleeve 3334, wherein the outer wall of the sleeve ring 3331 is provided with a toggle groove 3332, the inner wall of the sleeve ring 3331 is provided with symmetrical sliding blocks 3333, the outer wall of the sleeve 3334 is provided with symmetrical second sliding grooves 3335, and the second sliding grooves 3335 are clamped with the sliding blocks 3333.

The second driven gear 323, the third driven gear 324 and the fourth driven gear 325 are in tooth joint with the torque gear 332, a tooth joint device 333 is sleeved among the torque gears 332 in tooth joint with the second driven gear 323, the third driven gear 324 and the fourth driven gear 325, and the torque gear 332 is in rotary connection with the rotary groove 3311.

As shown in fig. 10, which is a schematic structural diagram of the toggle device in the present invention, the toggle device 4 includes a toggle block 41, a sliding plate 42 is mounted on one side of the toggle block 41, an insertion plate 43 is mounted on the back surface of the sliding plate 42, and the insertion plate 43 is inserted into a toggle slot 3332.

The working principle is as follows: the servo motor 311 drives the driving gear 312 to rotate so that the first driven gear 321 drives the driven device 32 to rotate together, the driven device 32 rotates so that the second driven gear 323, the third driven gear 324 and the fourth driven gear 325 drive the torque gear 332 to rotate on the outer wall of the second transmission rod 331, the dial block 41 dials the upper torque gear 332 so that the sliding block 3333 slides along the second sliding slot 3335 and is clamped in the tooth slot 3322, so that the upper torque gear 332 drives the sleeve 3331 and causes the sleeve 3334 to drive the second transmission rod 331 to rotate, so that the screw head 335 rotates, since the number of teeth of the first driven gear 321 is less than that of the second driven gear 323 less than that of the third driven gear 324 less than that of the fourth driven gear 325, the second driven gear 323 and the torque gear 332 have a first torque, and when the engagement device 333 is engaged with the torque gear 332 engaged with the third driven gear 324, the second torque is a second torque, when the meshing device 333 is in engagement with the torque gear 332 meshed with the fourth driven gear 325, a third torque is achieved, so that the effect of adjusting three-level torque is achieved, and different torques can be adjusted by the intelligent servo screwdriver 1 according to requirements.

Example 2

As shown in fig. 1-13, which are schematic structural diagrams of an intelligent servo screwdriver with three-level torque adjustment according to another preferred embodiment of the present invention, in the intelligent servo screwdriver with three-level torque adjustment according to the present invention, a protection device 5 is added on the basis of embodiment 1, an outer wall of one end of the screw head 335 is equipped with an insertion block 51, and one end of the screw head is equipped with a spring 52, an inner wall of one end of the fixing sleeve 334 is provided with an insertion slot 53, the insertion block 51 is inserted into the insertion slot 53, the fixing sleeve 334 is spaced from the rotation slot 3311 by a certain distance, and the lower end of the rotation slot 3311 is also provided with an insertion slot 53.

The working principle is as follows: when the servo motor 311 is started, the screw head 335 is attached to the rotating groove 3311 by pressing, the insert block 51 is inserted into the slot 53 at the bottom of the rotating groove 3311, so that the screw head 335 rotates, the screw head 335 does not rotate when the screw head is not pressed, the screw head 335 does not rotate when the servo motor is started, and the operator is prevented from being injured by the screw head.

While the utility model has been described in further detail in connection with specific embodiments thereof, it will be understood that the utility model is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the utility model, which should be considered to be within the scope of the utility model as defined by the appended claims.

Claims

1. The intelligent servo electric screwdriver capable of adjusting the three-level torque comprises an intelligent servo electric screwdriver (1), wherein the intelligent servo electric screwdriver (1) is formed by combining a shell assembly (2), a torque adjusting device (3) and a shifting device (4), the torque adjusting device (3) is assembled inside the shell assembly (2), and the shifting device (4) is assembled on one side of the shell assembly (2);

the method is characterized in that:

the torque adjusting device (3) is formed by combining a power device (31), a driven device (32) and a torque blending device (33), the power device (31) is in tooth joint with the driven device (32), the driven device (32) is in tooth joint with the torque blending device (33), the power device (31) comprises a servo motor (311), and one end of the servo motor (311) is connected with a driving gear (312).

2. The intelligent servo electric screwdriver capable of adjusting three-level torque as claimed in claim 1, wherein: the driven device (32) comprises a first transmission rod (322), one end of the first transmission rod (322) is provided with a first driven gear (321), the other end of the first transmission rod is provided with a fourth driven gear (325), a third driven gear (324) and a second driven gear (323) are arranged between the first driven gear (321) and the fourth driven gear (325), and the number of teeth of the first driven gear (321) is less than that of the second driven gear (323) and less than that of the third driven gear (324) and less than that of the fourth driven gear (325).

3. The intelligent servo electric screwdriver capable of adjusting three-level torque as claimed in claim 2, wherein: the torque blending device (33) comprises a second transmission rod (331), the second transmission rod (331) is provided with three rotating grooves (3311), one end of the second transmission rod (331) is provided with a fixed sleeve (334), a screw head (335) is arranged on the fixed sleeve (334), the second transmission rod (331) is provided with two torque gears (332), the torque gears (332) are provided with a connecting pipe (3321), and the connecting pipe (3321) is provided with a plurality of tooth grooves (3322).

4. The intelligent servo electric screwdriver capable of adjusting three-level torque as claimed in claim 2, wherein: the second driven gear (323), the third driven gear (324) and the fourth driven gear (325) are in tooth joint with the torque gear (332), a tooth engagement device (333) is sleeved among the torque gears (332) in tooth joint with the second driven gear (323), the third driven gear (324) and the fourth driven gear (325), and the torque gears (332) are rotatably connected with the rotating groove (3311).

5. The intelligent servo electric screwdriver capable of adjusting three-level torque as claimed in claim 4, wherein: the meshing device (333) comprises a sleeve ring (3331) and a sleeve (3334), wherein the outer wall of the sleeve ring (3331) is provided with a toggle groove (3332), the inner wall of the sleeve ring is provided with symmetrical sliding blocks (3333), the outer wall of the sleeve (3334) is provided with symmetrical second sliding grooves (3335), and the second sliding grooves (3335) are clamped with the sliding blocks (3333).

6. The intelligent servo electric screwdriver capable of adjusting three-level torque as claimed in claim 1, wherein: toggle device (4) including dialling movable block (41), dialling movable block (41) one side be equipped with slide (42), the back of slide (42) is equipped with picture peg (43), and picture peg (43) insert stir in groove (3332).

7. The intelligent servo electric screwdriver capable of adjusting three-level torque as claimed in claim 1, wherein: the shell assembly (2) comprises a shell (21), wherein a mounting through hole (22) is formed in the bottom of the shell (21), a mounting groove (23) is formed in one side of the shell (21), and first sliding grooves (24) are formed in the left side and the right side of the inside of the mounting groove (23).

8. The intelligent servo electric screwdriver capable of adjusting three-level torque as claimed in claim 1, wherein: still include protection device (5), be equipped with inserted block (51) on screw head (335) one end outer wall, and one end is equipped with spring (52), and is provided with slot (53) on the inner wall of fixed cover (334) one end, and inserted block (51) insert slot (53), and fixed cover (334) have certain interval with rotating groove (3311), and rotate groove (3311) lower extreme and be provided with slot (53) equally.