CN211401041U

CN211401041U - Detection apparatus for Y-shaped feed lifting crank

Info

Publication number: CN211401041U
Application number: CN202020151222.4U
Authority: CN
Inventors: 邱卫明; 贺宁; 潘伦纬; 王波; 金爱光; 陈佳辉
Original assignee: Taizhou Radio And Television University Taizhou Community University
Current assignee: Taizhou Radio And Television University Taizhou Community University
Priority date: 2020-02-03
Filing date: 2020-02-03
Publication date: 2020-09-01
Anticipated expiration: 2030-02-03

Abstract

The utility model belongs to the technical field of detect, a forked lifting tooth articulate detection device is related to, its crank that has solved current detection device and has detected technical problem such as not comprehensive enough. The detection device comprises a detection table, wherein a central hole detection shaft and a fork mouth detection block are arranged on the detection table, the distance A between the central line of the central hole detection shaft and the central line of the fork mouth detection block is the distance between the central line of the central hole of a standard fork-shaped feed lifting crank and the central line of a fork-shaped plate, and the distance B between the central line of the central hole detection shaft and the outer side surface of the fork mouth detection block is the distance between the central line of the central hole in the standard fork-shaped feed lifting crank and the outer edge of the fork mouth; the detection table is further provided with a robot for clamping the fork-shaped feed lifting crank, and the robot can enable the fork-shaped feed lifting crank to be sleeved on the central hole detection shaft and the fork opening detection block. The utility model has the advantages of fast detection speed, high precision and the like.

Description

Detection apparatus for Y-shaped feed lifting crank

Technical Field

The utility model belongs to the technical field of detect, a forked lifting tooth articulate detection device is related to.

Background

The crank is a common mechanical part, and is used in a sewing machine more frequently, for example, a fork-shaped feed lifting crank is widely used in a feeding device of the sewing machine.

The fork-shaped feed lifting crank comprises a cylinder body, wherein a convex block is axially arranged on one side of the outer cylindrical surface of the cylinder body, an opening communicated with a central hole of the cylinder body is formed in the convex block, a fastening screw penetrating through the opening is arranged on the convex block, a fork-shaped plate is radially arranged on the cylinder body on one side of the convex block, and a fork opening used for arranging a sliding block is formed in the fork-shaped plate.

When the fork-shaped feed lifting crank is used, a fork opening and a central hole on the feed lifting crank are required to be matched with different parts to realize transmission, so that the requirement on the size precision of the parts of the fork-shaped feed lifting crank is high, the detection device in the prior art only detects the depth, the length and other dimensions of the fork opening and the central hole in the fork-shaped feed lifting crank, ignores the relative position between the fork opening and the central hole, and influences the transmission of the parts if the relative position between the fork opening and the central hole does not meet the requirement, so that the problems of transmission clamping stagnation and the like are caused.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a forked new tooth articulate detection device, the utility model aims to solve the technical problem that: how to detect the relative position of the fork mouth and the central hole in the fork-shaped feed lifting crank and avoid the clamping stagnation of the transmission of parts caused by the relative position error.

The purpose of the utility model can be realized by the following technical proposal:

a detection device of a fork-shaped feed lifting crank comprises a cylinder body, wherein a central hole is formed in the cylinder body, a fork-shaped plate is connected to the periphery of the cylinder body, and a fork opening is formed in the fork-shaped plate; the detection table is further provided with a robot for clamping the fork-shaped feed lifting crank, and the robot can enable the fork-shaped feed lifting crank to be sleeved on the central hole detection shaft and the fork opening detection block.

The working principle is as follows: during detection, the robot can clamp the fork-shaped feed lifting handle, then convey the fork-shaped feed lifting handle to the positions above the central hole detection shaft and the fork opening detection block, enable the central hole and the fork opening on the fork-shaped feed lifting handle to be respectively aligned with the central hole detection shaft and the fork opening detection block on the detection table, then drive the fork-shaped feed lifting handle to press downwards, and see whether the central hole and the fork opening on the fork-shaped feed lifting handle can be smoothly sleeved on the central hole detection shaft and the fork opening detection block and are attached to the edges of the central hole detection shaft and the fork opening detection block. If the fork-shaped feed lifting crank is qualified, if the fork-shaped feed lifting crank cannot be sleeved on the fork-shaped feed lifting crank, the distance A or B between the central hole and the fork mouth is too small or too large. This application detects through distance A and B between centering hole and the fork mouth, can further guarantee to detect the product precision after qualified, the condition that transmission jamming appears when avoiding using. And the robot is adopted for matching detection, so that the detection speed is high and the detection efficiency is high.

In the above detection device for the fork-shaped feed lifting crank, the detection table is provided with an X-direction adjustment unit and a Y-direction adjustment unit which can drive the central hole detection shaft to move along the X-direction and the Y-direction respectively. An X-direction adjusting unit and a Y-direction adjusting unit are designed, and the distance between the central hole detection shaft and the fork opening detection block is adjusted, so that the fork-shaped feed lifting crank meeting various size requirements is provided.

In the above detection device for the fork-shaped feed lifting crank, the X-direction adjustment unit includes an X-direction motor, an X-direction slide rail, an X-direction lead screw and an X-direction slider, the X-direction slider is slidably disposed in the X-direction slide rail, the X-direction lead screw is rotatably disposed in the X-direction slide rail and passes through the X-direction slider to be matched with the slide screw, and an output end of the X-direction motor is connected with the X-direction lead screw. The X-direction motor rotates to drive the X-direction screw rod to rotate, so that the X-direction sliding block is driven to move along the X-direction sliding rail, and the X-direction position adjustment of the center hole detection axis is realized.

In the above detection device for the Y-direction adjustment unit, the Y-direction adjustment unit includes a Y-direction motor, a Y-direction slide rail, a Y-direction lead screw and a Y-direction slider, the Y-direction slide rail is disposed on the X-direction slider, the Y-direction slider is slidably disposed in the Y-direction slide rail, the central hole detection shaft is disposed on the Y-direction slider, the Y-direction lead screw is rotatably disposed in the Y-direction slide rail and is in screw fit with the Y-direction slider, and the Y-direction motor is fixed on the Y-direction slide rail and is connected with the Y-direction lead screw. The Y-direction motor rotates to drive the Y-direction screw rod to rotate, so that the Y-direction sliding block is driven to move along the Y-direction sliding rail, and the position adjustment of the central hole detection axis in the Y direction is realized.

In the above detection device for the fork-shaped feed lifting crank, the Y-direction slider is provided with a fixing rod along the Y-direction, and the lower end of the central hole detection shaft is connected to the front end of the fixing rod in a threaded manner. After the fixed rod is designed, the interference between the central hole detection shaft and the fork opening detection block is avoided when the central hole detection shaft is adjusted; and the central hole detection shaft is in threaded connection with the fixed rod, so that the central hole detection shafts with different sizes can be replaced according to actual requirements.

In the detection device for the fork-shaped feed lifting crank, a support column is arranged on the detection table, the upper plane of the support column is flush with the upper plane of the fixed rod, and the lower end of the fork opening detection block is in threaded connection with the upper plane of the support column. After the supporting column is designed, the fork opening detection block and the central hole detection shaft can be guaranteed to be approximately located on the same horizontal plane, the fork opening detection block is in threaded connection with the supporting column, and the fork opening detection block can be conveniently replaced.

Compared with the prior art, the utility model has the advantages of it is following:

this application detects through distance A and B between centering hole and the fork mouth, can further guarantee to detect the product precision after qualified, the condition that transmission jamming appears when avoiding using. And the robot is adopted for matching detection, so that the detection speed is high and the detection efficiency is high.

Drawings

Fig. 1 is a structural schematic diagram of the fork-shaped feed lifting crank.

Fig. 2 is a detection schematic diagram of the fork lift crank.

Fig. 3 is a state diagram of the present fork lift crank during detection.

Figure 4 is an isometric view of the present detection device.

FIG. 5 is a plan view of the present detection device.

In the figure, 1, a fork-shaped feed lifting crank; 2. a barrel; 3. a central bore; 4. a forked plate; 5. a fork opening; 6. a detection table; 7. a central hole detection shaft; 8. a fork mouth detection block; 9. a robot; 10. an X-direction adjusting unit; 11. a Y-direction adjusting unit; 12. an X-direction motor; 13. an X-direction slide rail; 14. an X-direction screw rod; 15. an X-direction sliding block; 16. a Y-direction motor; 17. a Y-direction slide rail; 18. a Y-direction screw rod; 19. a Y-direction sliding block; 20. fixing the rod; 21. and (4) a support column.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, the fork-shaped feed lifting crank 1 comprises a cylinder body 2, a central hole 3 is formed in the cylinder body 2, a fork-shaped plate 4 is connected to the periphery of the cylinder body 2, and a fork opening 5 is formed in the fork-shaped plate 4.

As shown in fig. 2 and 3, the detection device comprises a detection table 6, wherein a central hole detection shaft 7 and a fork mouth detection block 8 are arranged on the detection table 6, the distance a between the central line of the central hole detection shaft 7 and the central line of the fork mouth detection block 8 is the distance between the central line of a central hole 3 of a standard fork-shaped feed lifting crank 1 and the central line of a fork-shaped plate 4, and the distance B between the central line of the central hole detection shaft 7 and the outer side surface of the fork mouth detection block 8 is the distance between the central line of the central hole 3 in the standard fork-shaped feed lifting crank 1 and the outer edge of a fork mouth 5; the detection table 6 is further provided with a robot 9 for clamping the fork-shaped feed lifting crank 1, and the robot 9 can enable the fork-shaped feed lifting crank 1 to be sleeved on the central hole detection shaft 7 and the fork opening detection block 8.

Preferably, the detecting table 6 is provided with an X-direction adjusting unit 10 and a Y-direction adjusting unit 11 which can drive the central hole detecting shaft 7 to move along the X-direction and the Y-direction respectively.

Specifically, as shown in fig. 4 and 5, the X-direction adjustment unit 10 includes an X-direction motor 12, an X-direction slide rail 13, an X-direction lead screw 14, and an X-direction slider 15, which are provided on the detection table 6, the X-direction slider 15 is slidably provided in the X-direction slide rail 13, the X-direction lead screw 14 is rotatably provided in the X-direction slide rail 13, and is engaged with the slide screw by passing through the X-direction slider 15, and an output end of the X-direction motor 12 is connected to the X-direction lead screw 14.

As shown in fig. 4 and 5, the Y-direction adjusting unit 11 includes a Y-direction motor 16, a Y-direction slide rail 17, a Y-direction lead screw 18 and a Y-direction slider 19, the Y-direction slide rail 17 is disposed on the X-direction slider 15, the Y-direction slider 19 is slidably disposed in the Y-direction slide rail 17, the center hole detecting shaft 7 is disposed on the Y-direction slider 19, the Y-direction lead screw 18 is rotatably disposed in the Y-direction slide rail 17 and is spirally engaged with the Y-direction slider 19, and the Y-direction motor 16 is fixed on the Y-direction slide rail 17 and is connected with the Y-direction lead screw 18.

More preferably, the Y-direction slider 19 is provided with a fixing rod 20 along the Y-direction, and the lower end of the center hole detection shaft 7 is screwed to the front end of the fixing rod 20. The detection table 6 is provided with a support column 21, the upper plane of the support column 21 is flush with the upper plane of the fixed rod 20, and the lower end of the fork detection block 8 is in threaded connection with the upper plane of the support column 21.

The working principle of the utility model is as follows: during detection, the robot 9 can clamp the fork-shaped feed lifting crank 1, then convey the fork-shaped feed lifting crank to the upper portions of the central hole detection shaft 7 and the fork opening detection block 8, enable the central hole 3 and the fork opening 5 on the fork-shaped feed lifting crank 1 to be respectively aligned with the central hole detection shaft 7 and the fork opening detection block 8 on the detection table 6, then drive the fork-shaped feed lifting crank 1 to press downwards, and see whether the central hole 3 and the fork opening 5 on the fork-shaped feed lifting crank 1 can be smoothly sleeved on the central hole detection shaft 7 and the fork opening detection block 8 and are attached to the edges of the central hole detection shaft 7 and the fork opening detection block 8. If the fork-shaped feed lifting crank 1 can be qualified, if the fork-shaped feed lifting crank cannot be sleeved on the fork-shaped feed lifting crank, the distance A or B between the central hole 3 and the fork mouth 5 is too small or too large.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A detection device of a fork-shaped feed lifting crank is characterized in that the fork-shaped feed lifting crank (1) comprises a cylinder body (2), the cylinder body (2) is provided with a center hole (3), the periphery of the cylinder body (2) is connected with a fork-shaped plate (4), the fork-shaped plate (4) is provided with a fork opening (5), it is characterized in that the detection device comprises a detection table (6), a central hole detection shaft (7) and a fork port detection block (8) are arranged on the detection table (6), the distance A between the central line of the central hole detection shaft (7) and the central line of the fork opening detection block (8) is the distance between the central line of the central hole (3) of the standard fork-shaped feed lifting crank (1) and the central line of the fork-shaped plate (4), the distance B between the central line of the central hole detection shaft (7) and the outer side surface of the fork opening detection block (8) is the distance between the central line of the central hole (3) in the standard fork-shaped feed lifting crank (1) and the outer edge of the fork opening (5); the detection table (6) is further provided with a robot (9) used for clamping the fork-shaped feed lifting crank (1), and the robot (9) can enable the fork-shaped feed lifting crank (1) to be sleeved on the central hole detection shaft (7) and the fork opening detection block (8).

2. The detection device of the fork lift crank according to claim 1, characterized in that the detection table (6) is provided with an X-direction adjustment unit (10) and a Y-direction adjustment unit (11) which can drive the central hole detection shaft (7) to move in the X-direction and the Y-direction, respectively.

3. The detection device of the fork-shaped feed lifting crank according to claim 2, wherein the X-direction adjusting unit (10) comprises an X-direction motor (12), an X-direction slide rail (13), an X-direction lead screw (14) and an X-direction slide block (15), the X-direction slide block (15) is arranged on the detection table (6) in a sliding manner, the X-direction lead screw (14) is arranged in the X-direction slide rail (13) in a rotating manner and is spirally matched with the slide through the X-direction slide block (15), and the output end of the X-direction motor (12) is connected with the X-direction lead screw (14).

4. The detection device of the fork-shaped feed lifting crank according to claim 3, wherein the Y-direction adjusting unit (11) comprises a Y-direction motor (16), a Y-direction slide rail (17), a Y-direction screw rod (18) and a Y-direction slide block (19), the Y-direction slide rail (17) is arranged on the X-direction slide block (15), the Y-direction slide block (19) is arranged in the Y-direction slide rail (17) in a sliding manner, the central hole detection shaft (7) is arranged on the Y-direction slide block (19), the Y-direction screw rod (18) is rotatably arranged in the Y-direction slide rail (17) and is in screw fit with the Y-direction slide block (19), and the Y-direction motor (16) is fixed on the Y-direction slide rail (17) and is connected with the Y-direction screw rod (18).

5. The apparatus for detecting a fork lift crank according to claim 4, wherein the Y-direction slider (19) is provided with a fixing rod (20) in the Y-direction, and the lower end of the center hole detection shaft (7) is screwed to the front end of the fixing rod (20).

6. The detection device of the fork-shaped feed lifting crank according to claim 5, wherein a support column (21) is arranged on the detection table (6), the upper plane of the support column (21) is flush with the upper plane of the fixing rod (20), and the lower end of the fork-shaped detection block (8) is in threaded connection with the upper plane of the support column (21).