Electric screw driver tool changing device for industrial robot maintenance

By designing an electric screwdriver tool change device for industrial robot maintenance, the automatic installation of screws is realized by using the cooperation of inner ring, telescopic rod, spring and other components, the safety problem of the hand contacting the high-speed rotating part of the electric screwdriver is solved, and the safety of operation is improved.

CN222857843UActive Publication Date: 2025-05-13HEFEI KUNENG AUTOMATION EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421906419.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2025-05-13
Estimated Expiration
2034-08-08

AI Technical Summary

Technical Problem

When installing screws with electric screwdrivers, the hand is prone to touch the position where the batch head and the screws are in contact, causing high-speed rotation when the electric screwdriver is started, causing hand injuries and low operational safety.

Method used

An electric screwdriver tool change device is designed to realize automatic installation of screws through the cooperation of the inner ring, telescopic rod, spring, connecting cover and auxiliary mounting sleeve, preventing the hand from touching the dangerous area during manual operation.

Benefits of technology

It effectively prevents the hand from contacting the high-speed rotating part of the electric screwdriver, improves the safety of operation, and avoids the occurrence of hand injuries.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222857843U_ABST
    Figure CN222857843U_ABST
Patent Text Reader

Abstract

The utility model discloses an electric screw driver tool changing device for industrial robot maintenance. The electric screw driver tool changing device used for industrial robot maintenance comprises an electric screw driver body, an inner ring is arranged outside the electric screw driver body, and the outer surface of the inner ring is connected with a telescopic rod. The screw is installed in the auxiliary installation sleeve, the outer surface of the electric screwdriver body is sleeved with the outer ring, the electric screwdriver body is clamped by the contact plate through the elastic force generated when the spring resets, the screw is pushed into a pentagonal groove in the screwdriver head through the hydraulic rod, and the problem that when the screw is installed, the screw needs to be manually held to be installed in the screwdriver head, and the operation is inconvenient is solved. The problems that when the electric screwdriver is started, the hand touches the position where the screwdriver head makes contact with a screw, if the electric screwdriver is started accidentally, the screwdriver head rotates at a high speed, and hurt is caused to the hand of an installation person are solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of electric screwdrivers, in particular to an electric screwdriver tool changing device used for repairing industrial robots. Background Art

[0002] An industrial robot is a robot with a multi-joint manipulator or a multi-degree-of-freedom structure that can rely on its own power and control capabilities to perform various industrial processing and manufacturing functions. These robots have a certain degree of automation, can accept human commands, and can also run according to pre-programmed programs. Electric screwdrivers are needed to repair these industrial robots. Electric screwdrivers, also known as electric screwdrivers, are electric tools used to tighten and loosen screws. The screwdriver head usually refers to the screwdriver head installed on an electric drill or electric hammer to tighten screws. The electric screwdriver head is an electric screwdriver used to tighten or loosen screws. It is a small electric tool.

[0003] However, when installing the screws, the operator needs to manually hold the screws and install them inside the bit. The hand will touch the contact position between the bit and the screw. If the electric screwdriver is accidentally started before the screws are installed, the bit will rotate at high speed, causing damage to the installer's hands. The safety of this operation is relatively low. In order to solve this technical problem, the utility model proposes an electric screwdriver tool changing device for industrial robot maintenance. Utility Model Content

[0004] The main purpose of the utility model is to provide an electric screwdriver tool changing device for industrial robot maintenance, which can effectively solve the problems mentioned in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] An electric screwdriver tool changing device for industrial robot maintenance comprises an electric screwdriver body, an inner ring is arranged on the outside of the electric screwdriver body, a telescopic rod is connected to the outer surface of the inner ring, one end of the telescopic rod is connected to a contact plate, a spring is sleeved on the outer surface of the telescopic rod, one end of the spring is connected to the outer surface of the inner ring, the other end of the spring is connected to the outer surface of the contact plate, the outer surface of the inner ring is connected to a connecting cover, the outer surface of the connecting cover is connected to the outer ring, the outer surface of the outer ring is connected to a connecting rod, the outer surface of the connecting rod is connected to a coarse ring, and the outer surface of the coarse ring is connected to an auxiliary mounting sleeve.

[0007] Preferably, a motor is connected to the interior of the electric screwdriver body, a rotating rod is connected to the output shaft end of the motor, a screwdriver bit is connected to the outer surface of the rotating rod, and a five-sided groove is formed on the outer surface of the screwdriver bit.

[0008] Preferably, the outer surface of the auxiliary installation sleeve is connected with a positioning sponge strip, the positioning sponge strip is evenly distributed inside the auxiliary installation sleeve, and the outer surface of the positioning sponge strip is connected with a screw.

[0009] Preferably, the outer surface of the outer ring is connected with a thin rod, one end of the thin rod is rotatably connected with a swivel, and the outer surface of the swivel is connected with a rocker.

[0010] Preferably, one end of the rocker arm is connected to a hydraulic rod, one end of the hydraulic rod is connected to a push plate, and the push plate is in contact with the outer surface of the screw.

[0011] Preferably, a protrusion is connected to the outer surface of the thin rod, and a groove is provided on the outer surface of the rotating ring, and the protrusion slides on the inner wall of the groove.

[0012] Preferably, a fixing column is connected to the outer surface of the screwdriver bit, a fixing groove is formed on the outer surface of the rotating rod, and the fixing column slides on the inner wall of the fixing groove.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, through the cooperation between the inner ring, the telescopic rod, the spring, the connecting cover and the auxiliary installation sleeve, when using the electric screwdriver, the screw is installed in the auxiliary installation sleeve, the telescopic rod is shortened, the outer ring is sleeved on the outer surface of the electric screwdriver, the contact plate is clamped to the outer surface of the electric screwdriver by the elastic force when the spring is reset, and then the hydraulic rod is started, the hydraulic rod drives the push plate to move, and the screw is pushed into the five-sided groove inside the screwdriver head, so that the screw is prevented from being manually installed inside the screwdriver head. This solves the problem that when installing the screw, it is necessary to manually hold the screw and install it inside the screwdriver head, the hand will touch the contact position between the screw and the screw, and when the screw is not installed properly, if the electric screwdriver is accidentally started, the screwdriver head will rotate at high speed, which will cause damage to the hands of the installer, and the safety of this operation is low.

[0015] In the utility model, through the cooperation among the motor, the rotating rod, the five-sided groove and the fixed groove, when replacing the bit, the old bit is removed, and the fixed column on the new bit is installed on the inner wall of the fixed groove to replace the bit. After that, the motor is started again, and the output shaft end of the motor drives the rotating rod to rotate, and the rotating rod drives the bit to rotate, so that the electric screwdriver with the replaced bit can be used normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of an electric screwdriver tool changing device for industrial robot maintenance according to the utility model;

[0017] Figure 2This is an exploded view of the overall structure of an electric screwdriver tool changing device for industrial robot maintenance according to the utility model;

[0018] Figure 3 This is a partial structural sectional view of an electric screwdriver tool changing device for industrial robot maintenance according to the utility model;

[0019] Figure 4 The utility model is a partial structural schematic diagram of an electric screwdriver tool changing device for industrial robot maintenance.

[0020] Figure 5 The utility model is a schematic diagram of the position relationship between the groove and the protrusion of the electric screwdriver tool changing device used for industrial robot maintenance.

[0021] In the figure: 1. Electric screwdriver body; 2. Inner ring; 3. Telescopic rod; 4. Contact plate; 5. Spring; 6. Connecting cover; 7. Outer ring; 8. Connecting rod; 9. Thick ring; 10. Auxiliary mounting sleeve; 11. Motor; 12. Rotating rod; 13. Bit; 14. Five-sided groove; 15. Positioning sponge strip; 16. Screw; 17. Thin rod; 18. Swivel; 19. Rocker; 20. Hydraulic rod; 21. Push plate; 22. Bump; 23. Groove; 24. Fixed column; 25. Fixed groove. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1-5 As shown, an electric screwdriver tool changing device for industrial robot maintenance includes an electric screwdriver body 1, the interior of the electric screwdriver body 1 is connected to a motor 11, the output shaft end of the motor 11 is connected to a rotating rod 12, the outer surface of the rotating rod 12 is connected to a screwdriver bit 13, the outer surface of the screwdriver bit 13 is provided with a pentagonal groove 14, the output shaft end of the motor 11 drives the rotating rod 12 to rotate, the rotating rod 12 drives the screwdriver bit 13 to rotate, the motor 11 provides power for the rotating rod 12, and the operation is convenient.

[0024] An inner ring 2 is provided on the outside of the electric screwdriver body 1, a fixing column 24 is connected to the outer surface of the screwdriver bit 13, a fixing groove 25 is provided on the outer surface of the rotating rod 12, and the fixing column 24 slides on the inner wall of the fixing groove 25. When the screwdriver bit 13 needs to be replaced, the old screwdriver bit 13 is removed, and the fixing column 24 on the new screwdriver bit 13 is installed on the inner wall of the fixing groove 25 to replace the screwdriver bit 13.

[0025] The outer surface of the inner ring 2 is connected to a telescopic rod 3. There are four telescopic rods 3 in total, which are symmetrically distributed on the outer surface of the inner ring 2. One end of the telescopic rod 3 is connected to a contact plate 4. The outer surface of the telescopic rod 3 is sleeved with a spring 5. The outer surface of each telescopic rod 3 is sleeved with a spring 5, for a total of four springs 5.

[0026] One end of the spring 5 is connected to the outer surface of the inner ring 2, and the other end of the spring 5 is connected to the outer surface of the contact plate 4. The outer surface of the inner ring 2 is connected to a connecting cover 6, the outer surface of the connecting cover 6 is connected to an outer ring 7, and the outer surface of the outer ring 7 is connected to a connecting rod 8.

[0027] The outer surface of the connecting rod 8 is connected to a thick ring 9, and the outer surface of the thick ring 9 is connected to an auxiliary mounting sleeve 10. The auxiliary mounting sleeve 10 consists of two parts, one part is a small ring, and the other part is a rod. The outer surface of the auxiliary mounting sleeve 10 is connected to a positioning sponge strip 15, and the positioning sponge strips 15 are evenly distributed inside the auxiliary mounting sleeve 10. The outer surface of the positioning sponge strip 15 is connected to a screw 16, and the positioning sponge strip 15 can support the screw 16 so that the center of the screw 16 is aligned with the center of the auxiliary mounting sleeve 10.

[0028] A thin rod 17 is connected to the outer surface of the outer ring 7, one end of which is rotatably connected to a swivel 18. A rocker 19 is connected to the outer surface of the swivel 18. The rocker 19 is rotatable. When tightening the screw 16, after using the swivel 18, the swivel 18 can be rotated to a position where it does not hinder the tightening of the screw 16.

[0029] The outer surface of the thin rod 17 is connected with a protrusion 22, and the outer surface of the rotating ring 18 is provided with a groove 23. The protrusion 22 slides on the inner wall of the groove 23. When the rocker 19 rotates, the protrusion 22 is on the inner wall of the groove 23 to prevent the rocker 19 from moving forward and backward.

[0030] One end of the rocker 19 is connected to a hydraulic rod 20, and one end of the hydraulic rod 20 is connected to a push plate 21. The push plate 21 contacts the outer surface of the screw 16. When the hydraulic rod 20 is started, the hydraulic rod 20 drives the push plate 21 to move, and the screw 16 is pushed into the five-sided groove 14 inside the screw head 13 to install the screw 16.

[0031] Working principle: When using the device, install the screw 16 in the auxiliary mounting sleeve 10, the screw 16 contacts the positioning sponge strip 15, then shorten the telescopic rod 3, compress the spring 5, and sleeve the outer ring 7 and the inner ring 2 on the outer surface of the electric screwdriver, so that the telescopic rod 3 is in a natural state, and the contact plate 4 is clamped to the outer surface of the electric screwdriver body 1 by the elastic force of the spring 5 when it is reset, and then start the hydraulic rod 20, the hydraulic rod 20 drives the push plate 21 to move, and pushes the screw 16 into the pentagonal groove 14 inside the screwdriver head 13. When the screwdriver head 13 needs to be replaced, the old screwdriver head 13 is removed, and the fixing column 24 on the new screwdriver head 13 is installed on the inner wall of the fixing groove 25 to replace the screwdriver head 13, and then start the motor 11, the output shaft end of the motor 11 drives the rotating rod 12 to rotate, and the rotating rod 12 drives the screwdriver head 13 to rotate, thereby driving the screw 16 to rotate, and the screw 16 can be tightened or loosened.

[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An electric screwdriver tool changing device for industrial robot maintenance, characterized in that: The electric screwdriver comprises an electric screwdriver body (1), wherein an inner ring (2) is arranged outside the electric screwdriver body (1), a telescopic rod (3) is connected to the outer surface of the inner ring (2), one end of the telescopic rod (3) is connected to a contact plate (4), a spring (5) is sleeved on the outer surface of the telescopic rod (3), one end of the spring (5) is connected to the outer surface of the inner ring (2), the other end of the spring (5) is connected to the outer surface of the contact plate (4), the outer surface of the inner ring (2) is connected to a connecting cover (6), the outer surface of the connecting cover (6) is connected to an outer ring (7), the outer surface of the outer ring (7) is connected to a connecting rod (8), the outer surface of the connecting rod (8) is connected to a coarse ring (9), and the outer surface of the coarse ring (9) is connected to an auxiliary mounting sleeve (10).

2. The electric screwdriver tool changing device for industrial robot maintenance according to claim 1, characterized in that: The electric screwdriver body (1) is internally connected to a motor (11), the output shaft end of the motor (11) is connected to a rotating rod (12), the outer surface of the rotating rod (12) is connected to a screwdriver bit (13), and the outer surface of the screwdriver bit (13) is provided with a five-sided groove (14).

3. The electric screwdriver tool changing device for industrial robot maintenance according to claim 1 is characterized in that: The outer surface of the auxiliary installation sleeve (10) is connected to a positioning sponge strip (15), the positioning sponge strip (15) is evenly distributed inside the auxiliary installation sleeve (10), and the outer surface of the positioning sponge strip (15) is connected to a screw (16).

4. The electric screwdriver tool changing device for industrial robot maintenance according to claim 1, characterized in that: The outer surface of the outer ring (7) is connected to a thin rod (17), one end of the thin rod (17) is rotatably connected to a rotating ring (18), and the outer surface of the rotating ring (18) is connected to a rocker (19).

5. The electric screwdriver tool changing device for industrial robot maintenance according to claim 4, characterized in that: One end of the rocker arm (19) is connected to a hydraulic rod (20), and one end of the hydraulic rod (20) is connected to a push plate (21), and the push plate (21) is in contact with the outer surface of the screw (16).

6. The electric screwdriver tool changing device for industrial robot maintenance according to claim 4, characterized in that: The outer surface of the thin rod (17) is connected with a protrusion (22), and the outer surface of the rotating ring (18) is provided with a groove (23), and the protrusion (22) slides on the inner wall of the groove (23).

7. The electric screwdriver tool changing device for industrial robot maintenance according to claim 2, characterized in that: The outer surface of the screwdriver bit (13) is connected with a fixing column (24), the outer surface of the rotating rod (12) is provided with a fixing groove (25), and the fixing column (24) slides on the inner wall of the fixing groove (25).