CN218802379U

CN218802379U - Industrial robot repeated positioning precision measuring device

Info

Publication number: CN218802379U
Application number: CN202223128579.9U
Authority: CN
Inventors: 王锴; 王凯; 石伟
Original assignee: Shenzhen Lingding Intelligent Equipment Technology Co ltd
Current assignee: Shenzhen Lingding Intelligent Equipment Technology Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-04-07
Anticipated expiration: 2032-11-24

Abstract

The utility model belongs to the technical field of measuring device, and discloses an industrial robot repeated positioning precision measuring device, which comprises a testing frame with an open top end and one side, wherein a first supporting plate and a second supporting plate which can move on the same horizontal plane are respectively arranged on two sides of the inner wall of the testing frame, mounting grooves are respectively arranged on the upper end surfaces of the first supporting plate and the second supporting plate, and laser ranging sensors are arranged in the mounting grooves; first driving piece is installed to the side of first layer board, the utility model discloses an add first driving piece, second driving piece, draw runner and spout for two laser rangefinder sensor's position can change the position along with the removal of the robot that awaits measuring, and then make the moving range increase of the robot that awaits measuring, increased measuring scope, improved the measuring precision, secondly, when the moving distance of the robot that awaits measuring is great, the laser pulse of laser rangefinder sensor transmitting terminal transmission can be blocked by the robot that awaits measuring all the time.

Description

Industrial robot repeated positioning precision measuring device

Technical Field

The utility model belongs to the technical field of measuring device, concretely relates to industrial robot repeated positioning accuracy measuring device.

Background

With the rapid development of science and technology and mechanical automation, more and more mechanical devices are used to replace human power in industrial production to improve processing efficiency, wherein an industrial robot is an important product to replace human power, and the industrial robot needs to be tested before being put into use, and wherein measurement of repeated positioning accuracy is an important item.

In the patent with application number CN201420123934.X, an industrial robot repeated positioning precision measuring device is disclosed, the patent describes that the data acquisition and processing unit is connected with the laser ranging sensor to acquire the position data of the robot to be measured, and the robot repeated positioning precision value can be obtained, although the measuring device can measure the repeated positioning precision, the laser ranging sensor is fixed in position, the moving range of the robot to be measured is small, the measuring range is limited, the measuring precision is difficult to ensure, and when the moving distance of the robot to be measured is large, the robot to be measured cannot block the laser ranging sensor, and the feedback of data cannot be performed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an industrial robot repeated positioning accuracy measuring device to solve the laser range finding sensor rigidity of the current measuring device who provides in the above-mentioned background art, make the robot moving range that awaits measuring little, measuring range is limited, influences measuring accuracy's problem.

In order to achieve the above purpose, the utility model provides a following technical scheme: a repeated positioning precision measuring device for an industrial robot comprises a testing frame with an open top end and one open side, wherein a first supporting plate and a second supporting plate which can move on the same horizontal plane are respectively arranged on two sides of the inner wall of the testing frame, which are close to each other, mounting grooves are respectively formed in the upper end surfaces of the first supporting plate and the second supporting plate, and laser ranging sensors are arranged in the mounting grooves;

a first driving piece is installed on the side edge of the first supporting plate, and a second driving piece is installed on the side edge of the second supporting plate;

and the abutting component is used for abutting against the laser ranging sensor in the mounting groove from the top end.

Preferably, the first driving part is a first electric telescopic rod, and the first electric telescopic rod is installed between the first supporting plate and the inner wall of the test frame;

the second driving piece is a second electric telescopic rod, and the second electric telescopic rod is installed between the second supporting plate and the inner wall of the test frame.

Preferably, the first supporting plate and the second supporting plate are connected with sliding strips on one side facing the inner wall of the test frame, and sliding grooves matched with the sliding strips are formed in the inner wall of the test frame.

Preferably, the pressing component comprises an upper baffle, a threaded rod and a pressing plate, the upper baffle is arranged at the upper end of the inner portion of the mounting groove, the threaded rod penetrates through the upper baffle in a screwing mode, and the pressing plate is connected with the bottom end of the threaded rod.

Preferably, a hand wheel is installed at the top end of the threaded rod, and an elastic pad is fixed on the lower end face of the pressing plate.

Preferably, the upper ends of the two sides in the mounting groove are provided with slots matched with the end parts of the upper baffle plates.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses an add first driving piece, second driving piece, draw runner and spout for two laser rangefinder sensor's position can be along with the removal of the robot that awaits measuring and the relocation, and then make the moving range increase of the robot that awaits measuring, increased measuring scope, improved the measuring precision, secondly, when the moving distance of the robot that awaits measuring is great, the laser pulse of laser rangefinder sensor transmitting terminal transmission can be blocked by the robot that awaits measuring all the time.

(2) The utility model discloses an add slot, overhead gage, threaded rod and clamp plate, place back in the mounting groove at laser rangefinder sensor, can insert the overhead gage to the test frame along the slot on, then the rotating runs through the threaded rod of overhead gage, makes the clamp plate move down to pushing down laser rangefinder, can guarantee laser rangefinder's stability, is difficult for taking place to shift, and this kind of fixed mode does benefit to follow-up laser rangefinder's quick extraction simultaneously.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a front view of the second support plate of the present invention;

fig. 3 is a side view of the testing frame of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 2;

in the figure: 1. a test frame; 2. a first pallet; 3. a second pallet; 4. a slide bar; 5. a laser ranging sensor; 6. an upper baffle plate; 7. a first electric telescopic rod; 8. a second electric telescopic rod; 9. a threaded rod; 10. pressing a plate; 11. an elastic pad; 12. mounting grooves; 13. a hand wheel; 14. a chute; 15. and (4) a slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 3, the present invention provides the following technical solutions: an industrial robot repeated positioning accuracy measuring device, comprising:

the testing frame comprises a testing frame 1 with an open top end and one open side, wherein a first supporting plate 2 and a second supporting plate 3 which can move on the same horizontal plane are respectively arranged on two sides of the inner wall of the testing frame 1 close to each other, mounting grooves 12 are respectively formed in the upper end surfaces of the first supporting plate 2 and the second supporting plate 3, and laser ranging sensors 5 are arranged in the mounting grooves 12;

a first driving piece is arranged on the side edge of the first supporting plate 2, and a second driving piece is arranged on the side edge of the second supporting plate 3;

the first driving piece is a first electric telescopic handle 7, the first electric telescopic handle 7 is installed between the inner walls of the first supporting plate 2 and the test frame 1, the second driving piece is a second electric telescopic handle 8, and the second electric telescopic handle 8 is installed between the inner walls of the second supporting plate 3 and the test frame 1.

First layer board 2 and second layer board 3 all are connected with draw runner 4 towards one side of 1 inner wall of test frame, and the spout 14 with draw runner 4 looks adaptation is seted up to the inner wall of test frame 1.

The utility model discloses still be equipped with plc controller (not shown), laser rangefinder sensor 5, first electric telescopic handle 7 and second electric telescopic handle 8 all with plc controller electric connection, the plc controller can handle and feed back out the data of laser rangefinder sensor 5 feedback.

Through the technical scheme:

when the device is used, a robot to be tested can be moved to the middle position in the test frame 1 from the side surface opening end of the test frame 1, then the laser ranging sensors 5 are started, then the robot to be tested is controlled to move in the X direction or the Y direction, or the robot to be tested can move in the X direction and then the Y direction, wherein the first supporting plate 2 connected with the slide bar 4 can be driven to move by the first electric telescopic rod 7, the second supporting plate 3 connected with the slide bar 4 can be driven to move by the second electric telescopic rod 8, the distance between the robot to be tested and the robot to be tested can be mastered in real time by the two laser ranging sensors 5, and whether the robot to be tested is skewed when the robot to be tested moves straight can be mastered;

wherein, the position of two laser rangefinder sensors 5 can change the position along with the removal of the robot that awaits measuring for the moving range of the robot that awaits measuring increases, has increased measuring scope, has improved measuring precision, and secondly, when the moving distance of the robot that awaits measuring is great, the laser pulse of laser rangefinder sensor 5 transmitting terminal transmission can be blocked by the robot that awaits measuring all the time.

Referring to fig. 1-2 and 4, the measuring device further comprises a pressing component, the pressing component is used for pressing the laser ranging sensor 5 in the mounting groove 12 from the top end, the pressing component comprises an upper baffle 6, a threaded rod 9 and a pressing plate 10, the upper baffle 6 is arranged at the upper end of the inside of the mounting groove 12, the threaded rod 9 penetrates through the upper baffle 6 in a screwing mode, the pressing plate 10 is connected with the bottom end of the threaded rod 9, and the upper ends of the two sides of the inside of the mounting groove 12 are provided with slots 15 matched with the end portion of the upper baffle 6.

Through the technical scheme:

after laser ranging sensor 5 is placed in mounting groove 12, can insert last baffle 6 to test frame 1 along slot 15 on, then the threaded rod 9 that the rotating runs through last baffle 6 makes clamp plate 10 move down to pushing down laser ranging sensor 5, can guarantee laser ranging sensor 5's stability, and difficult emergence is shifted, and this kind of fixed mode does benefit to follow-up laser ranging sensor 5's quick taking out simultaneously.

Further, a hand wheel 13 is mounted at the top end of the threaded rod 9, and an elastic pad 11 is fixed on the lower end face of the pressing plate 10;

specifically, the hand wheel 13 is used for rotating the threaded rod 9, so that the labor is saved; utilize the cushion 11 to support the up end of pressing laser rangefinder sensor 5, can effectively reduce the extrusion damage of laser rangefinder sensor 5 up end.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An industrial robot repeated positioning precision measuring device, characterized by comprising:

the testing frame comprises a testing frame (1) with an open top end and one open side, wherein a first supporting plate (2) and a second supporting plate (3) which can move on the same horizontal plane are respectively arranged on two sides of the inner wall of the testing frame (1) close to each other, mounting grooves (12) are respectively formed in the upper end surfaces of the first supporting plate (2) and the second supporting plate (3), and laser ranging sensors (5) are arranged in the mounting grooves (12);

a first driving piece is installed on the side edge of the first supporting plate (2), and a second driving piece is installed on the side edge of the second supporting plate (3);

and the abutting component is used for abutting against the laser ranging sensor (5) in the mounting groove (12) from the top end.

2. An industrial robot repositioning accuracy measuring device according to claim 1, wherein: the first driving piece is a first electric telescopic rod (7), and the first electric telescopic rod (7) is installed between the first supporting plate (2) and the inner wall of the test frame (1);

the second driving piece is a second electric telescopic rod (8), and the second electric telescopic rod (8) is installed between the second supporting plate (3) and the inner wall of the test frame (1).

3. An industrial robot repositioning accuracy measuring device according to claim 2, wherein: first layer board (2) and second layer board (3) all are connected with draw runner (4) towards one side of test frame (1) inner wall, spout (14) with draw runner (4) looks adaptation are seted up to the inner wall of test frame (1).

4. An industrial robot repositioning accuracy measuring device according to claim 3, wherein: the pressing component comprises an upper baffle (6), a threaded rod (9) and a pressing plate (10), the upper baffle (6) is arranged at the upper end of the inner part of the mounting groove (12), the threaded rod (9) penetrates through the upper baffle (6) in a screwing mode, and the pressing plate (10) is connected with the bottom end of the threaded rod (9).

5. An industrial robot repositioning accuracy measuring device according to claim 4, wherein: a hand wheel (13) is installed on the top end of the threaded rod (9), and an elastic pad (11) is fixed on the lower end face of the pressing plate (10).

6. An industrial robot repositioning accuracy measuring device according to claim 5, wherein: the upper ends of the two inner sides of the mounting groove (12) are provided with slots (15) matched with the end parts of the upper baffle plates (6).