CN212886107U

CN212886107U - Four-axis tightening mechanism

Info

Publication number: CN212886107U
Application number: CN202021257160.1U
Authority: CN
Inventors: 苑晓云; 刘佳琪; 郭胜杰
Original assignee: Thd Engineering Technology Ltd
Current assignee: Thd Engineering Technology Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-04-06
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a four-axis tightening mechanism, which comprises a bracket, wherein a tightening mechanism frame is connected on the bracket in a sliding manner along the vertical direction, four horizontal linear sliding tables are arranged on the tightening mechanism frame, the output end of each horizontal linear sliding table is fixedly provided with a normal linear sliding table, and the output end of each normal linear sliding table is fixedly connected with an electric tightening shaft; the tightening mechanism frame is an L-shaped support, the side face of the tightening mechanism frame is connected to the support in a sliding mode through a sliding rail, the four horizontal linear sliding tables are fixed to the bottom of the tightening mechanism frame, a square through hole is formed in the bottom of the tightening mechanism frame, and the output end of the electric tightening shaft penetrates through the square through hole; the embodiment adopts the horizontal linear sliding table, the normal linear sliding table and the linear driving piece to drive the electric tightening shaft to move in the horizontal, normal and vertical directions, and the position of the electric tightening shaft can be accurately controlled; the graduated scale is arranged on the tightening machine framework, so that the position of the electric tightening shaft can be conveniently observed.

Description

Four-axis tightening mechanism

Technical Field

The utility model relates to an installation field, especially a mechanism is screwed up to four-axis.

Background

With the development of science and technology and the advancement of humanity, many production lines are equipped with mechanical equipment with high automation degree to complete specific process operations in order to meet the market demand and improve the production efficiency and the production speed. The fastening operation is one of the common operations in the production link, and an automatic screw driving machine is appeared on the market at present to replace the manual screw screwing operation.

The automatic tightening device generally adopts a power-driven tightening shaft to automatically tighten screws, and the position of the multi-shaft power-driven tightening shaft needs to be frequently changed when the multi-shaft power-driven tightening shaft is used so as to be suitable for different workpieces. The existing automatic tightening device generally adopts a worm gear to move the electric tightening shaft, but the worm gear cannot accurately position the electric tightening shaft.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a four-axis tightening mechanism is designed.

Realize above-mentioned purpose the technical scheme of the utility model be, a mechanism is screwed up to four-axis, which comprises a bracket, there is the framework of screwing up along vertical direction sliding connection on the support, it is provided with four horizontal linear slipways, every to screw up on the framework the output of horizontal linear slipway is fixed with normal direction linear slipway, every the electronic axle of screwing up of output fixedly connected with of normal direction linear slipway.

The utility model discloses a screw up quick-witted frame, including the frame, screw up quick-witted frame and the output of electronic axle, screw up quick-witted frame and be L shape support, screw up the side of quick-witted frame and pass through slide rail sliding connection on the support, four horizontal linear sliding table is fixed screw up the bottom of quick-witted frame, the centre of screwing up quick-witted frame bottom is provided with square through hole, the output of electronic axle of screwing up passes square through hole.

The support is provided with a linear driving piece, and the output end of the linear driving piece is fixedly connected with the tightening mechanism frame.

And a tightening table is arranged below the tightening machine framework.

Four horizontal linear sliding tables are arranged in two rows and two columns.

Horizontal linear slip table with normal direction linear slip table all includes the casing, it is connected with ball to rotate on the casing, the cover is equipped with the nut on the ball, ball's both sides are provided with the slide rail No. one, sliding connection has the slider No. one on the slide rail, the slider with be fixed with the slide on the nut, the slide does horizontal linear slip table with the output of normal direction linear slip table.

One end of each ball screw is fixedly connected with a rotating handle.

And one end of each ball screw is fixedly connected with a motor.

Reinforcing ribs are arranged on two sides of the tightening mechanism frame, and a graduated scale is arranged on the edge of the bottom surface of the tightening mechanism frame.

The support is provided with a controller, and the controller is respectively and electrically connected with the electric tightening shaft, the motor and the linear driving piece.

The four-shaft tightening mechanism manufactured by the technical scheme of the utility model adopts the horizontal linear sliding table, the normal linear sliding table and the linear driving piece along the vertical direction to drive the electric tightening shaft to move in the horizontal, normal and vertical directions, and can accurately control the position of the electric tightening shaft; the frame of the tightening machine is provided with a graduated scale which can assist workers to observe the position of the electric tightening shaft; simple structure, convenient to use, electronic location of screwing up the axle are accurate.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of a four-axis tightening mechanism according to the present invention;

fig. 2 is a schematic structural view of a second embodiment of a four-axis tightening mechanism according to the present invention;

fig. 3 is a circuit block diagram of a four-axis tightening mechanism according to the present invention;

in the figure, 1, a bracket; 2. tightening the machine frame; 3. a horizontal linear sliding table; 4. a normal linear sliding table; 5. electrically tightening the shaft; 6. a slide rail; 7. a square through hole; 8. a linear drive; 9. screwing down the table; 10. a housing; 11. a ball screw; 12. a nut; 13. a first slide rail; 14. a first sliding block; 15. a slide plate; 16. rotating the handle; 17. a motor; 18. reinforcing ribs; 19. a controller; 20. a slide block.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

Example 1:

as shown in FIG. 1, the four-shaft tightening mechanism comprises a bracket 1, wherein a tightening mechanism frame 2 is connected to the bracket 1 in a sliding mode along the vertical direction. The tightening mechanism frame 2 is used for mounting a tightening mechanism. The tightening mechanism frame 2 can be slid up and down to change its position according to actual use needs. The support 1 is provided with a linear driving piece 8, and the output end of the linear driving piece 8 is fixedly connected with the tightening machine framework 2. The output end of the linear drive 8 moves in the vertical direction. The linear driving part 8 drives the tightening mechanism frame 2 to slide up and down to a designated position.

Four horizontal linear sliding tables 3 are arranged on the tightening machine framework 2, a normal linear sliding table 4 is fixed at the output end of each horizontal linear sliding table 3, and an electric tightening shaft 5 is fixedly connected at the output end of each normal linear sliding table 4. In actual use, since the position of the nut on the workpiece differs depending on the workpiece, the position of the power tightening shaft 5 needs to be changed as needed. The electric tightening shafts 5 are driven by the output ends of the horizontal linear sliding table 3 and the normal linear sliding table 4 to move in the horizontal and normal directions, and the positions of the four electric tightening shafts 5 can be changed as required.

The electric tightening shaft 5 can change the output torque according to the requirement, so that various workpieces can be machined, and the application range is wider.

The tightening mechanism frame 2 is an L-shaped support, the side surface of the tightening mechanism frame 2 is slidably connected to the support 1 through a sliding rail 6, the sliding rail 6 is fixed on the support 1, a sliding block 20 is arranged on the sliding rail 6, and the side surface of the tightening mechanism frame 2 is fixed on the sliding block 20.

The four horizontal linear sliding tables 3 are fixed at the bottom of the tightening machine frame 2, and the four horizontal linear sliding tables 3 are arranged in two rows and two columns. The middle of the bottom of the tightening machine frame 2 is provided with a square through hole 7, and the output end of the electric tightening shaft 5 penetrates through the square through hole 7. The work to be machined is disposed below the bottom of the tightening machine frame 2, and the output end of the power tightening shaft 5 passes through the square through hole 7, so that the output end of the power tightening shaft 5 tightens the nut of the work.

A tightening table 9 is arranged below the tightening machine frame 2. The workpiece to be machined is placed above the tightening station 9.

Horizontal linear sliding table 3 with linear sliding table 4 of normal direction all includes casing 10, the last swivelling joint of casing 10 has ball 11, the cover is equipped with nut 12 on ball 11, ball 11's both sides are provided with slide rail 13 No. one, sliding connection has slider 14 No. one on slide rail 13, slider 14 with be fixed with slide 15 on nut 12, slide 15 does horizontal linear sliding table 3 with the output of linear sliding table 4 of normal direction. The ball screw 11 rotates, the nut 12 sleeved on the ball screw 11 moves linearly along the ball screw 11, and the sliding plate 15 on the nut 12 moves linearly along the ball screw. The first sliding block 14 and the first sliding rail 13 are used for supporting the sliding plate 15.

One end of each ball screw 11 is fixedly connected with a rotating handle 16. The worker rotates the turning handle 16, and then drives the ball screw 11 to rotate, and the slide plate 15 moves linearly. The worker can change the position of each power tightening shaft 5 in the horizontal direction and the normal direction by operating the respective turning handles 16.

And a graduated scale is arranged on the edge of the bottom surface of the tightening machine frame 2. The graduated scale is used for the staff to confirm the position of the electronic shaft 5 output end of screwing up accurately.

Reinforcing ribs 18 are provided on both sides of the tightening mechanism frame 2, so that the load-bearing capacity of the bottom surface of the tightening mechanism frame 2 can be enhanced.

Example two:

the difference from the first embodiment is that a motor 17 is fixedly connected to one end of each ball screw 11. The motor 17 rotates the ball screw 11 according to the instruction of the controller 19 until the slide plate 15 moves to a designated position. The position of the power tightening shaft 5 can be accurately positioned using the motor 17.

The edge of the bottom surface of the tightening machine frame 2 is provided with a graduated scale for the worker to refer to the position of the electric tightening shaft 5.

The bracket 1 is provided with a controller 19, and the controller 19 is electrically connected with the electric tightening shaft 5, the motor 17 and the linear driving member 8 respectively. The controller 19 controls the start and stop of the motor 17, the linear driving member 8 and thereby the position of the power tightening shaft 5 in the horizontal, normal and vertical directions. The controller 19 then controls the power tightening shaft 5 to be activated to tighten the nut on the workpiece to be machined.

In the present embodiment, the electric tightening shaft 5 is moved by using the horizontal linear slide table 3 and the normal linear slide table 4, and the tightening mechanism frame 2 is driven to move in the vertical direction by using the linear driving member 8, so that the position of the electric tightening shaft 5 can be precisely controlled; the graduated scale arranged on the edge of the bottom surface of the tightening machine frame 2 is convenient for workers to observe the position of the electric tightening shaft 5 and adjust the position in time; this scheme simple structure, convenient to use, electronic location of screwing up axle 5 are accurate.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The utility model provides a mechanism is screwed up to four-axis, includes support (1), its characterized in that, there is screw up quick-witted framework (2) along vertical direction sliding connection on support (1), be provided with four horizontal linear slip tables (3) on screwing up quick-witted framework (2), every the output of horizontal linear slip table (3) is fixed with normal direction linear slip table (4), every the electronic axle (5) of screwing up of output fixedly connected with of normal direction linear slip table (4).

2. The four-axis tightening mechanism according to claim 1, characterized in that the tightening mechanism frame (2) is an L-shaped bracket, the side surface of the tightening mechanism frame (2) is slidably connected to the bracket (1) through a slide rail (6), four horizontal linear sliding tables (3) are fixed to the bottom of the tightening mechanism frame (2), a square through hole (7) is formed in the middle of the bottom of the tightening mechanism frame (2), and the output end of the electric tightening shaft (5) penetrates through the square through hole (7).

3. Four-axis tightening mechanism according to claim 1, characterized in that the bracket (1) is provided with a linear drive (8), the output end of the linear drive (8) being fixedly connected to the tightening mechanism frame (2).

4. A four-axis tightening mechanism according to claim 1, characterized in that a tightening table (9) is provided below the tightening machine frame (2).

5. A four-axis tightening mechanism according to claim 1, characterized in that four horizontal linear slides (3) are arranged in two rows and two columns.

6. The four-axis tightening mechanism is characterized in that the horizontal linear sliding table (3) and the normal linear sliding table (4) both comprise a shell (10), a ball screw (11) is connected to the shell (10) in a rotating mode, a nut (12) is sleeved on the ball screw (11), a first sliding rail (13) is arranged on each of two sides of the ball screw (11), a first sliding block (14) is connected to the first sliding rail (13) in a sliding mode, a sliding plate (15) is fixed to the first sliding block (14) and the nut (12), and the sliding plate (15) is an output end of the horizontal linear sliding table (3) and the output end of the normal linear sliding table (4).

7. A four-axis tightening mechanism according to claim 6, characterized in that a turning knob (16) is fixedly attached to one end of each ball screw (11).

8. A four-axis tightening mechanism according to claim 6, characterized in that a motor (17) is fixedly connected to one end of each ball screw (11).

9. The four-axis tightening mechanism according to claim 1, characterized in that the tightening mechanism frame (2) is provided with reinforcing ribs (18) on both sides, and the edge of the bottom surface of the tightening mechanism frame (2) is provided with a graduated scale.

10. A four-axis tightening mechanism according to claim 3 or 8, characterized in that the bracket (1) is provided with a controller (19), and the controller (19) is electrically connected with the electric tightening shaft (5), the motor (17) and the linear driving member (8), respectively.