CN210549416U

CN210549416U - Single-shaft tightening equipment

Info

Publication number: CN210549416U
Application number: CN201921272384.7U
Authority: CN
Inventors: 李兰云; 张胜; 邹光富
Original assignee: Guangdong Ruobo Intelligent Robot Co ltd
Current assignee: Guangdong Ruobo Intelligent Robot Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-05-19
Anticipated expiration: 2029-08-07

Abstract

The utility model relates to an automatic change and screw up technical field of mechanism discloses a unipolar equipment of screwing up, and it contains: the device comprises a fixed frame, a fixed plate, a well-shaped structure sliding seat, a guide pillar, a lower cross frame rod, a spring balancer, a DDK tightening shaft and a protective cover; the mount is located this device upper portion rear, and it is equipped with a fixed plate, and well type structure slide is fixed in on the fixed plate of mount, and well type structure slide is run through perpendicularly on two guide pillar upper portions, and the lower part is fixed in on the horizontal hack lever of lower part, and the spring balancer is hoisted and is hung in both ends between mount and the horizontal hack lever of lower part, and DDK screws up the axle and is fixed in the horizontal hack lever middle part of lower part, lies in between two guide pillars, and DDK screws up the axle circumference and is. This device is rational in infrastructure, and the modern design uses this scheme can realize the automatic tightening of unipolar of accurate moment.

Description

Single-shaft tightening equipment

Technical Field

The utility model relates to an automatic change and screw up technical field of the mechanism, especially relate to a device is screwed up to unipolar.

Background

At present when screwing up the work piece on the production line, generally need tighten the bolt on the work piece, and the tightening of bolt on the work piece at present mostly is the manual work and carries out the placing of retaining ring, and generally need two workman to operate simultaneously, one needs to restrict the rotation of work piece when screwing up, another needs to restrict screwing up the device, current screwing up the device lacks positioning mechanism, thereby lead to screwing up inefficiency, the phenomenon that the human cost is high, and it can't arrive the condition emergence that the work piece is not hard up to lead to the fact the tightening torque not in place easily to appear in the actual tightening process, and carry out the tightening of work piece by the manual work at the during operation, the security is not enough, cause operating personnel to be pressed the emergence of safety accident such as hand because of removing the work piece. Therefore, it is very important to solve the problems that the tightening efficiency is low and the tightening torque is not in place when the workpiece is tightened.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a device is screwed up to unipolar, uses this scheme to realize that the automation of unipolar bolt is screwed up on the production line.

The embodiment of the utility model provides a pair of equipment is screwed up to unipolar contains: the device comprises a fixed frame 1, a fixed plate 2, a well-shaped structure sliding seat 3, a guide pillar 4, a lower cross frame rod 5, a spring balancer 6, a DDK tightening shaft 7 and a protective cover 8; the fixing frame 1 is located behind the upper portion of the device and provided with a fixing plate 2, the well-shaped structure sliding seat 3 is fixed on the fixing plate 2 of the fixing frame 1, the upper portion of the guide pillar 4 vertically penetrates through the well-shaped structure sliding seat 3, the lower portion of the guide pillar is fixed on the lower cross frame rod 5, the spring balancer 6 is hung at two ends between the fixing frame 1 and the lower cross frame rod 5, the DDK tightening shaft 7 is fixed in the middle of the lower cross frame rod 5 and located between the guide pillars 4, and the DDK tightening shaft 7 is circumferentially provided with a protective cover 8 and fixed on the lower cross frame rod 5.

Optionally, two front and rear sliding rods 9 are arranged at the left and right ends inside the well-type structure sliding seat 3, and are correspondingly arranged in parallel, two left and right sliding rods 10 are arranged inside the well-type structure sliding seat up and down, and are correspondingly arranged in parallel, and the guide pillar 4 is an upper and lower sliding rod 11, so that the well-type structure sliding seat 3 can be ensured to move in three directions, and is suitable for tightening single-shaft bolts at different positions.

Optionally, the DDK tightening shaft 7 is driven by a servo motor 12, a torque sensor 13 is arranged at the lower part of the servo motor 12, the servo motor 12 can realize stroke control, the torque sensor 13 can detect torque, double control of stroke and torque is realized, and the accuracy of tightening torque is ensured.

Optionally, a shaft head 14 is arranged at the lower end of the DDK tightening shaft 7, a sleeve 15 is arranged at the lower shaft end of the shaft head 14, the sleeve 16 is replaceable to meet the requirements of different types of bolts, and the DDK tightening shaft 7 is connected with the shaft head 14 through a coupler 16.

Optionally, button boxes 17 are arranged at both ends of the middle part of the lower cross frame rod 5, and a grab bar 18 is arranged at the front part of the lower cross frame rod, so that the operation of workers is convenient.

Optionally, the spring balancer 6 is arranged in left-right symmetry with the DDK tightening axis as a symmetry axis to ensure the balance of the tightening device.

It is thus clear that, use this embodiment technical scheme can realize that single-axis bolt's automation is screwed up, improved degree of automation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention.

Fig. 1 is a front view structural schematic diagram of a single-shaft tightening device provided in embodiment 1 of the present invention;

fig. 2 is a schematic side view of a single-shaft tightening device according to embodiment 1 of the present invention.

Reference numerals:

1: a fixing frame 2: fixing a plate 3: well-shaped structure sliding seat

4: guide post 5: lower cross frame bar 6: spring balancer

7: DDK tightening shaft 8: the protective cover 9: front and rear sliding rod

10: left and right slide bars 11: upper and lower slide bars 12: servo motor

13: the torque sensor 14: shaft head 15: sleeve barrel

16: coupling 17: the button box 18: armrest rod

Detailed Description

The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided to explain the invention, but not to limit the invention.

Example 1

Referring to fig. 1 and 2, the present invention provides a single-shaft tightening device, which comprises: the device comprises a fixed frame 1, a fixed plate 2, a well-shaped structure sliding seat 3, a guide pillar 4, a lower cross frame rod 5, a spring balancer 6, a DDK tightening shaft 7 and a protective cover 8; the fixing frame 1 is located behind the upper portion of the device and provided with a fixing plate 2, the well-shaped structure sliding seat 3 is fixed on the fixing plate 2 of the fixing frame 1, the upper portion of the guide pillar 4 vertically penetrates through the well-shaped structure sliding seat 3, the lower portion of the guide pillar is fixed on the lower cross frame rod 5, the spring balancer 6 is hung at two ends between the fixing frame 1 and the lower cross frame rod 5, the DDK tightening shaft 7 is fixed in the middle of the lower cross frame rod 5 and located between the two guide pillars 4, and the DDK tightening shaft 7 is circumferentially provided with a protective cover 8 and fixed on the lower cross frame rod 5.

The working principle of the equipment is that when the equipment starts to work, workpieces on a production line are conveyed to the lower part of a single-shaft tightening device, a worker manually pulls down the tightening device through a grab bar 18, the positions of a well-type structure sliding seat 3 on a front sliding rod 9, a rear sliding rod 9, a left sliding rod 10, a right sliding rod 11 and an upper sliding rod 11 are manually adjusted to ensure that a shaft head 14 of the tightening device is aligned with a bolt on the workpiece, after the alignment, the tightening device is continuously pulled down, a sleeve 15 is sleeved on the bolt, the tail part of the shaft head 14 is required to be pressed into a coupler 16 to ensure that enough downward pressure is generated during the screwing-in process of the bolt, the sleeve 15 is placed to be separated from the coupler, a button box 17 is opened, a starting button is pressed, a servo motor 12 of a DDK tightening shaft 7 is operated to start the tightening, a torque sensor 13 can detect the torque during, the worker manually pulls up the tightening device, moves to the tightening position of the next bolt, and repeats the above operation. This kind of device is screwed up to unipolar uses conveniently, can realize screwing up the accurate control of moment, and degree of automation is higher, very big improvement production efficiency.

In conclusion, the beneficial effects of the single-shaft tightening device of the embodiment are as follows:

1) the servo motor 12 can control the stroke, so that the screwing device is more accurate and reliable; the torque sensor 13 is arranged at the lower part of the servo motor 12, so that the real-time monitoring of the torque of the tightening device in the tightening process can be realized, and the tightening process is more reasonable and standard; the stroke and the moment are controlled by the servo motor 12 and the torque sensor 13, so that the whole operation is more accurate and controllable.

2) Two front and rear sliding rods 9 are arranged at the left and right ends inside the well-shaped structure sliding seat 3 and correspond to parallel arrangement, two left and right sliding rods 10 are arranged inside the well-shaped structure sliding seat up and down and correspond to parallel arrangement, the guide pillars 4 are upper and lower sliding rods 11, so that the well-shaped structure sliding seat 3 can be moved in three directions, tightening of single-shaft bolts at different positions is guaranteed, meanwhile, the sleeves 15 with replaceable diameters are adopted, the requirements of tightening bolts with different diameters are met, production efficiency is improved, and the application range is expanded.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.

Claims

1. A single-axis tightening apparatus characterized by: comprises the following steps: the device comprises a fixed frame (1), a fixed plate (2), a well-shaped structure sliding seat (3), a guide post (4), a lower cross frame rod (5), a spring balancer (6), a DDK tightening shaft (7) and a protective cover (8); the fixing frame (1) is located behind the upper portion of the device and provided with a fixing plate (2), the well-shaped structure sliding seat (3) is fixed on the fixing plate (2) of the fixing frame (1), the upper portion of the guide pillar (4) vertically penetrates through the well-shaped structure sliding seat (3), the lower portion of the guide pillar is fixed on the lower portion cross frame rods (5), the spring balancer (6) is hoisted at two ends between the fixing frame (1) and the lower portion cross frame rods (5), the DDK tightening shaft (7) is fixed in the middle of the lower portion cross frame rods (5) and located between the guide pillars (4), the DDK tightening shaft (7) is circumferentially provided with a protective cover (8) and is fixed on the lower portion cross frame rods (5).

2. The single-axis tightening apparatus according to claim 1, wherein:

two front and rear sliding rods (9) are arranged at the left end and the right end inside the well-shaped structure sliding seat (3) and are correspondingly arranged in parallel, two left and right sliding rods (10) are arranged inside the well-shaped structure sliding seat up and down and are correspondingly arranged in parallel, and the guide pillar (4) is an upper sliding rod and a lower sliding rod (11).

3. The single-axis tightening apparatus according to claim 1, wherein:

the DDK tightening shaft (7) is driven by a servo motor (12), and a torque sensor (13) is arranged at the lower part of the servo motor (12).

4. The single-axis tightening apparatus according to claim 1, wherein:

the lower end of the DDK tightening shaft (7) is provided with a shaft head (14), the shaft end of the lower part of the shaft head (14) is provided with a sleeve (15), and the DDK tightening shaft (7) is connected with the shaft head (14) through a coupler (16).

5. The single-axis tightening apparatus according to claim 1, wherein:

the two ends of the middle part of the lower cross frame rod (5) are provided with button boxes (17), and the front part is provided with a handrail rod (18).

6. The single-axis tightening apparatus according to claim 1, wherein:

the spring balancer (6) is arranged in a left-right symmetrical mode by taking the DDK tightening shaft as a symmetrical shaft.