Screwdriver head follow-up screw driving device

By introducing Z-axis, Y-axis, and X-axis cylinder systems and universal joints to connect the screwdriver bits into the screw-driving device, the problem of obstruction above the screw hole is solved, realizing the flexibility and accuracy of screw driving with the screwdriver bit moving, and improving operating efficiency and quality.

CN223572453UActive Publication Date: 2025-11-21SHANGHAI WORKPOWER TELECOM TECH
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Patent Information

Application Number
CN202423010793.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-11-21
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

Traditional screw-driving devices cannot directly insert screws into screw holes through the suction nozzle when there is an obstruction above the screw hole, making operation difficult.

Method used

The pen-shaped cylinder, slide cylinder, and gripper cylinder are arranged in Z, Y, and X directions. The screwdriver bit is connected to the screwdriver bit through universal joints and connecting rods, so that the screwdriver bit changes with the screw angle. Combined with the displacement sensor, the screw insertion is precisely controlled.

Benefits of technology

It enables flexible adjustment of the bit even when there is obstruction above the screw hole. The structure is simple, stable and efficient, ensuring accurate screw insertion and tightening.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223572453U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of automatic screw driving, and particularly relates to a screwdriver bit follow-up screw driving device which comprises a first pen-shaped air cylinder arranged in the Z direction, a second pen-shaped air cylinder arranged in the Y direction and a sliding table cylinder arranged in the Y direction, and the first pen-shaped air cylinder, the second pen-shaped air cylinder and the sliding table cylinder are sequentially distributed from top to bottom. The output end of the pen-shaped air cylinder is provided with an electric screwdriver, the output end of the electric screwdriver is connected with a universal joint, and the universal joint is provided with a screwdriver head through a connecting rod. The output end of the second pen-shaped air cylinder is matched with the connecting rod to drive the angle of the screwdriver head to change. A clamping jaw air cylinder is assembled at the output end of the sliding table cylinder. According to the screwdriver bit follow-up screw driving device in the technical scheme, when screw driving operation is carried out, the screwdriver bit is changed along with the change of the angle of a screw through the universal joint, and the problem that when a traditional screw driving device is hindered above the screw hole, the screw cannot be directly placed into the screw hole through a suction nozzle is solved; the structure is simple and stable, and the efficiency is high.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automatic screwing, especially relates to a batch head follow-up screwing device. BACKGROUND

[0002] With the rapid development of industrial automation, more and more work is realized automation, and the common screwing device at present mostly is through blowing and sucking formula from the screw hole directly above to screw, and the screw hole above cannot be screwed through this method for the obstruction, therefore a batch head follow-up screwing device is proposed. UTILITY MODEL CONTENTS

[0003] The utility model discloses in view of the prior art's problem, and proposes the following technical scheme:

[0004] A batch head follow-up screwing device, including the Z direction setting pen cylinder one, Y direction setting pen cylinder two and Y direction setting slide platform cylinder, pen cylinder one, pen cylinder two and slide platform cylinder distribute from top to bottom in turn;

[0005] The output end of the pen cylinder is equipped with the electric screwdriver, the output end of the electric screwdriver is connected with the universal joint, and the universal joint is equipped with the batch head through the connecting rod;

[0006] The output end of the pen cylinder two is matched with the connecting rod to drive the angle change of the batch head, and the output end of the slide platform cylinder is equipped with the jaw cylinder;

[0007] Still include X direction setting horizontal module and Z direction setting vertical module, the vertical module is assembled in the output end of horizontal module, the pen cylinder, the pen cylinder two and the slide platform cylinder are all assembled in the output end of vertical module.

[0008] The batch head is inserted into the head slot of the screw, the jaw cylinder clamps the screw, and the pen cylinder two and the slide platform cylinder synchronous action drive the screw to be obliquely placed in the screw hole.

[0009] As the preferred of the above technical scheme, the output end of the vertical module is equipped with the base plate, and the slide platform cylinder, the pen cylinder two are installed on the base plate.

[0010] The main body middle part of the pen cylinder one is equipped with the supporting plate one, the supporting plate one is connected with the base plate, the output end of the pen cylinder one is equipped with the supporting plate two, and the supporting plate two is assembled with the main body middle part of the electric screwdriver.

[0011] As the preferred of the above technical scheme, still include displacement sensor, and the displacement sensor is assembled in the output end of pen cylinder one.

[0012] As the preferred technical scheme, the output end of the pen-shaped cylinder two is equipped with a base plate, and a strip-shaped slot with the length direction consistent with the Y direction is formed in the base plate.

[0013] The connecting rod is sleeved with a sleeve and rotationally matched with the sleeve, the sleeve penetrates the strip-shaped slot and has a gap between the sleeve and the side wall of the strip-shaped slot in the Y direction, and a flat surface matched with the side wall of the strip-shaped slot is arranged on the outer wall of the sleeve.

[0014] The utility model discloses beneficial effect is:

[0015] The screw device of a batch head follow-up of the technical scheme can change the batch head through the universal joint along with the change of the screw angle when operating the screw, solve the problem that the traditional screw device cannot put the screw directly into the screw hole through the suction nozzle when there is an obstacle above the screw hole, and has the advantages of simple structure, stability, high efficiency and the like. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A perspective structure schematic diagram of the screw device of a batch head follow-up in example 1 is shown.

[0017] Figure 2 A front view structure schematic diagram of the screw device of a batch head follow-up in example 1 is shown.

[0018] Figure 3 A side view structure schematic diagram of the screw device of a batch head follow-up in example 1 is shown.

[0019] The figure mark: horizontal module 1, vertical module 2, base plate 21, pen-shaped cylinder one 3, support plate one 31, support plate two 32, electric screwdriver 4, displacement sensor 5, universal joint 6, connecting rod 8, batch head 9, sliding table cylinder 10, pen-shaped cylinder two 11, base plate 111, strip-shaped slot 112, sleeve 113, clamping jaw cylinder 12. DETAILED DESCRIPTION

[0020] To make the purpose, technical scheme and advantages of the utility model embodiment more clear, the utility model technical scheme will be clearly and completely described below in conjunction with examples.

[0021] Example 1

[0022] As Figure 1 , Figure 2 , Figure 3 A screw device of a batch head follow-up is shown, the X direction in the embodiment is the left-right direction, the Y direction is the front-back direction, and the Z direction is the up-down direction, comprising pen-shaped cylinder one 3 arranged in the Z direction, pen-shaped cylinder two 11 arranged in the Y direction and sliding table cylinder 10 arranged in the Y direction, and pen-shaped cylinder one 3, pen-shaped cylinder two 11 and sliding table cylinder 10 are sequentially distributed from top to bottom.

[0023] The output end of the pen-shaped cylinder 3 is equipped with an electric screwdriver 4, the output end of the electric screwdriver 4 is connected with a universal joint 6, the universal joint 6 is equipped with a screwdriver head 9 through a connecting rod 8;

[0024] The output end of the pen-shaped cylinder two 11 is adapted to change the angle of the screwdriver head 9 driven by the connecting rod 8; the output end of the sliding table cylinder 10 is equipped with a clamping jaw cylinder 12;

[0025] Further comprising a horizontal module 1 arranged in X direction and a vertical module 2 arranged in Z direction, the vertical module 2 is equipped at the output end of the horizontal module 1; the pen-shaped cylinder 3, the pen-shaped cylinder two 11 and the sliding table cylinder 10 are all equipped at the output end of the vertical module 2; the horizontal module 1 drives the device to move in left and right directions, the vertical module 2 drives the device to move in up and down directions, both are through the mode of motor rotation and screw thread cooperation to drive the position of the output end to change, so that the device has higher precision when displacing.

[0026] The working process of the screw head follow-up screwing device in the technical solution comprises the following steps:

[0027] 1. Reaching the predetermined position: the horizontal module 1 drives the device to move in X direction to drive the screwdriver head 9 to move to the predetermined position, for example, above the screw;

[0028] 2. Clamping the screw: the vertical module 2 drives the device to move downward, until the screwdriver head 9 is inserted into the head slot of the screw, then the sliding table cylinder 10 moves forward, and the clamping jaw cylinder 12 clamps the screw;

[0029] 3. Placing the screw: the vertical module 2 resets, and the pen-shaped cylinder two 11 and the sliding table cylinder 10 synchronously act to drive the screw to be placed obliquely into the screw hole;

[0030] 4. Screwing: the clamping jaw cylinder 12 is loosened, the sliding table cylinder 10 drives the clamping jaw cylinder 12 to retreat, the pen-shaped cylinder 3 drives the electric screwdriver 4 to move downward, the electric screwdriver 4 drives the screwdriver head 9 to rotate, and the electric screwdriver 4 stops rotating after the screw is screwed into place;

[0031] Wherein, as the screw enters the screw hole, the screwdriver head 9 changes through the universal joint 6 as the angle of the screw changes.

[0032] The screw head follow-up screwing device in the technical solution, when screwing operation is performed, the screw head 9 changes through the universal joint 6 as the angle of the screw changes, which solves the problem that the traditional screwing device cannot directly place the screw into the screw hole through the suction nozzle when there is an obstacle above the screw hole, and has the advantages of simple structure, stability, high efficiency and the like.

[0033] Further, in order to solve the assembly problem between the vertical module 2 and the pen-shaped cylinder 3, the pen-shaped cylinder two 11 and the sliding table cylinder 10, for example, Figure 1 、 Figure 2 ,Figure 3 As shown in the figure, the output end of the vertical module 2 is equipped with a base plate 21, and the slide cylinder 10 and the pen-shaped cylinder two 11 are installed on the base plate 21; the vertical module 2 drives the slide cylinder 10 and the pen-shaped cylinder two 11 to move in the up-down direction through the base plate 21.

[0034] At the same time, in order to meet the matching relationship between the pen-shaped cylinder one 3 and the electric wrench 4, the middle part of the main body of the pen-shaped cylinder one 3 is equipped with a support plate one 31, the support plate one 31 is connected with the base plate 21, the output end of the pen-shaped cylinder one 3 is equipped with a support plate two 32, and the support plate two 32 is matched with the middle part of the main body of the electric wrench 4. The vertical module 2 drives the pen-shaped cylinder one 3 and the electric wrench 4 to move in the up-down direction through the base plate 21 and the support plate one 31, and the pen-shaped cylinder one 3 drives the electric wrench 4 to move in the up-down direction through the support plate two 32.

[0035] In order to ensure that the screw is completely screwed into the screw hole and tightened, that is, to ensure the quality of screwing, as shown in the figure, Figure 2 A kind of head servo screwing device further includes displacement sensor 5, displacement sensor 5 is equipped in the output end of pen-shaped cylinder one 3, pen-shaped cylinder one 3 drives electric wrench 4 and displacement sensor 5 to move, when displacement sensor 5 reaches predetermined position, it provides electric signal for electric wrench 4, electric wrench 4 stops rotating, and the action of screwing is completed;Whether electric wrench 4 acts is controlled by whether displacement sensor 5 reaches predetermined position, which has higher precision compared with artificial judgment, and can better ensure the quality of screwing.

[0036] In order to realize the matching of the output end of the pen-shaped cylinder two 11 and the connecting rod 8 to drive the head 9 to change the angle, as shown in the figure, Figure 1 The output end of the pen-shaped cylinder two 11 is equipped with a base plate 111, and a length direction consistent with Y direction strip slot 112 is formed in the base plate 111.

[0037] The connecting rod 8 is sleeved with sleeve 113 and rotationally matched with the sleeve 113, the sleeve 113 penetrates the strip slot 112 and has a gap between the side wall of the strip slot 112 in Y direction, which is matched with the sleeve 113 to change the angle, and a plane matched with the side wall of the strip slot 112 is arranged on the outer wall of the sleeve 113, so that the sleeve 113 and the base plate 111 are matched in the process of screwing, and do not rotate relatively, the output end of the pen-shaped cylinder two 11 and the connecting rod 8 are matched through the base plate 111 and the sleeve 113, which avoids the over-wear of the connecting rod 8 in the process of screwing.

[0038] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them.

Claims

1. A screwdriver bit follow-up screw-driving device, characterized in that, It includes a pen-shaped cylinder 1 (3) set in the Z direction, a pen-shaped cylinder 2 (11) set in the Y direction, and a slide cylinder (10) set in the Y direction. The pen-shaped cylinder 1 (3), the pen-shaped cylinder 2 (11), and the slide cylinder (10) are distributed from top to bottom. The output end of the pen-shaped cylinder (3) is equipped with an electric screwdriver (4), the output end of the electric screwdriver (4) is connected to a universal joint (6), and the universal joint (6) is equipped with a screwdriver bit (9) through a connecting rod (8); The output end of the pen-shaped cylinder (11) is adapted to the connecting rod (8) to drive the angle of the bit (9) to change; the output end of the slide cylinder (10) is equipped with a gripper cylinder (12); It also includes a horizontal module (1) set in the X direction and a vertical module (2) set in the Z direction, wherein the vertical module (2) is assembled at the output end of the horizontal module (1); the pen-shaped cylinder (3), the second pen-shaped cylinder (11) and the slide cylinder (10) are all assembled at the output end of the vertical module (2); The bit (9) is inserted into the head slot of the screw, the gripper cylinder (12) holds the screw, and the pen-shaped cylinder (11) and the slide cylinder (10) move synchronously to tilt the screw into the screw hole.

2. The screwdriver bit follow-up screw-driving device according to claim 1, characterized in that, The output end of the vertical module (2) is equipped with a base plate (21), and the slide cylinder (10) and the pen-shaped cylinder (11) are mounted on the base plate (21); The pen-shaped cylinder (3) is equipped with a support plate (31) in the middle of its main body. The support plate (31) is connected to the base plate (21). The output end of the pen-shaped cylinder (3) is equipped with a support plate (32). The support plate (32) is assembled with the middle of the main body of the electric screwdriver (4).

3. The screwdriver bit follow-up screw-driving device according to claim 1, characterized in that, It also includes a displacement sensor (5), which is mounted on the output end of the pen-shaped cylinder (3).

4. The screwdriver bit follow-up screw-driving device according to claim 1, characterized in that, The output end of the pen-shaped cylinder 2 (11) is equipped with a base plate (111), and the base plate (111) has a strip-shaped slot (112) with the length direction consistent with the Y direction. The connecting rod (8) is fitted with a sleeve (113) and rotates with it. The sleeve (113) passes through the strip groove (112) and has a gap between it and the side wall of the strip groove (112) in the Y direction. The outer wall of the sleeve (113) is provided with a plane that matches the side wall of the strip groove (112).