CN214816033U

CN214816033U - Longitudinal horizontal and central photoelectric sensing positioning device

Info

Publication number: CN214816033U
Application number: CN202120142680.6U
Authority: CN
Inventors: 徐振家
Original assignee: Shaanxi Payuan Road And Bridge Construction Co ltd
Current assignee: Shaanxi Payuan Road And Bridge Construction Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-11-23
Anticipated expiration: 2031-01-20

Abstract

The utility model provides a vertical level, central photoelectric sensing positioner, include: the lower end of the moving shaft is provided with a welding gun, and the upper end of the moving shaft is provided with a positioning device. An object of the utility model is to provide a vertical level, central photoelectric sensing positioner that positioning accuracy is high, welding efficiency is high.

Description

Longitudinal horizontal and central photoelectric sensing positioning device

Technical Field

The utility model relates to a welding equipment technical field, in particular to vertical level, central photoelectric sensing positioner.

Background

In the current automatic welding process of all manufactured single-layer reinforcing mesh sheets, the working track of a welding machine is horizontal linear motion with the accuracy of more than 7 levels in the transverse direction and the longitudinal direction, or horizontal arc motion within 180 degrees, and the melting point center position of the welded reinforcing steel bar must be equal to the center of the working track of the welding machine. If the offset size of the vertical, horizontal and horizontal line vertical height crossing center position of the welding melting point center of the steel bar is more than one time larger than the diameter of the welding rod, the automatic welding machine loses the welding function. Therefore, the welding machine and the matched die carrier of the welded steel bar have high requirement on the dimensional accuracy, and a large number of steel bars with deformation coefficients larger than the diameter of the welding rod in actual welding processing cannot be welded, so that a positioning device with higher welding accuracy needs to be designed.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model discloses solve the problem that welding position precision is low among the prior art.

For this reason, the technical scheme who adopts is, the utility model discloses a vertical level, central photoelectric sensing positioner, include: the welding gun device comprises a moving shaft, wherein a welding gun is arranged at the lower end of the moving shaft, and a positioning device is arranged at the upper end of the moving shaft.

Preferably, the positioning device comprises: a box body, a moving block, a first rack, a second rack, an incomplete gear and a motor,

a moving block is arranged in the box body, a guide opening in the horizontal direction is formed in the bottom end of the box body, and one end, far away from the welding gun, of the moving shaft penetrates through the guide opening to be connected with the bottom end of the moving block;

the movable block is provided with a horizontal direction guide groove, a first rack in the horizontal direction is arranged at the top of the inner wall of the guide groove, a second rack in the horizontal direction is arranged at the bottom of the inner wall of the guide groove, an incomplete gear is arranged between the first rack and the second rack and can be meshed with the first rack and the second rack respectively, a motor is arranged on the inner wall of the box body, and an output shaft of the motor is connected with the incomplete gear.

Preferably, sliding sleeves are arranged on two sides of the moving block, a connecting rod in the vertical direction is arranged on the outer wall of each sliding sleeve, one end of each connecting rod is connected with the outer wall of each sliding sleeve, and the other end of each connecting rod is connected with the top of the inner wall of the box body.

Preferably, the outer wall of the box body is provided with a supporting arm in the horizontal direction, an air cylinder is arranged below the supporting arm, a piston rod of the air cylinder is upwards vertically connected with one end of the supporting arm, and the other end of the supporting arm is connected with the side wall of the box body.

Preferably, the bottom end of the air cylinder is connected with the top end of a movable trolley, four pulleys are symmetrically arranged at the bottom end of the movable trolley, two parallel slide rails are arranged below the movable trolley, the slide rails are perpendicular to the supporting arms, and the pulleys can reciprocate on the slide rails.

Preferably, the bottom end of the moving shaft is provided with a transverse photoelectric sensor and a longitudinal photoelectric sensor, a welding head of the welding gun is located between the transverse photoelectric sensor and the longitudinal photoelectric sensor, a vertical photoelectric sensor is arranged above the welding gun and connected with the outer wall of the moving shaft, a PLC (programmable logic controller) is arranged on the moving shaft and is respectively in wireless communication with the motor, the air cylinder and the moving trolley, and the transverse photoelectric sensor, the longitudinal photoelectric sensor and the vertical photoelectric sensor are respectively electrically connected with the PLC.

Preferably, the outer wall of the box body is provided with heat dissipation holes.

Preferably, a filter screen is arranged in the heat dissipation hole.

The utility model discloses technical scheme has following advantage: the utility model provides a vertical level, central photoelectric sensing positioner, include: the lower end of the moving shaft is provided with a welding gun, and the upper end of the moving shaft is provided with a positioning device. The positioning device includes: the welding gun welding device comprises a box body, a moving block, a first rack, a second rack, an incomplete gear and a motor, wherein the moving block is arranged in the box body, a horizontal guide port is formed in the bottom end of the box body, and one end, far away from a welding gun, of a moving shaft penetrates through the guide port and is connected with the bottom end of the moving block; the movable block is provided with a horizontal direction guide groove, the top of the inner wall of the guide groove is provided with a first rack in the horizontal direction, the bottom of the inner wall of the guide groove is provided with a second rack in the horizontal direction, an incomplete gear is arranged between the first rack and the second rack, the incomplete gear can be meshed with the first rack and the second rack respectively, the inner wall of the box body is provided with a motor, and an output shaft of the motor is connected with the incomplete gear. When the welding spot on the steel bar net rack sheet is found accurately in the longitudinal direction, the transmission is carried out by the meshing of the gear and the rack, the transmission precision is higher, the positioning precision of the welding gun is improved, and the welding spot is positioned more accurately.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the middle positioning device of the present invention;

FIG. 3 is a schematic structural view of a motor and an incomplete gear according to the present invention;

FIG. 4 is a diagram illustrating the operation of the present invention;

fig. 5 is a diagram of an installation state of the PLC controller of the present invention;

the welding device comprises a moving shaft 1, a welding gun 2, a box 3, a moving block 4, a guide port 5, a guide groove 6, a first rack 7, a second rack 8, an incomplete gear 9, a motor 10, a sliding sleeve 11, a connecting rod 12, a supporting arm 13, a cylinder 14, a piston rod 15, a moving trolley 16, a pulley 17, a sliding rail 18, a transverse photoelectric sensor 19, a longitudinal photoelectric sensor 20, a vertical photoelectric sensor 21, a PLC (programmable logic controller) 22 and a radiating hole 23.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The embodiment of the utility model provides a vertical level, central photoelectric sensing positioner, as shown in fig. 1-4, include: the welding device comprises a moving shaft 1, wherein a welding gun 2 is arranged at the lower end of the moving shaft 1, and a positioning device is arranged at the upper end of the moving shaft 1.

The positioning device includes: a box body 3, a moving block 4, a first rack 7, a second rack 8, an incomplete gear 9 and a motor 10,

a moving block 4 is arranged in the box body 3, a guide opening 5 in the horizontal direction is formed in the bottom end of the box body 3, and one end, far away from the welding gun 2, of the moving shaft 1 penetrates through the guide opening 5 to be connected with the bottom end of the moving block 4;

a horizontal guide groove 6 is formed in the moving block 4, a horizontal first rack 7 is arranged at the top of the inner wall of the guide groove 6, a horizontal second rack 8 is arranged at the bottom of the inner wall of the guide groove 6, an incomplete gear 9 is arranged between the first rack 7 and the second rack 8, the incomplete gear 9 can be meshed with the first rack 7 and the second rack 8 respectively, a motor 10 is arranged on the inner wall of the box body 3, and an output shaft of the motor 10 is connected with the incomplete gear 9.

The working principle and the beneficial technical effects of the technical scheme are as follows: when needs weld the reinforcing bar net rack, starter motor 10 drives incomplete gear 9 rotatory, through incomplete gear 9 respectively with first rack 7, the meshing of second rack 8 drive movable block 4 left and right sides reciprocating motion, movable block 4 drives movement shaft 1, welder 2 removes, when finding the solder joint on the reinforcing bar net rack piece in vertical direction, owing to the meshing transmission through wheel and rack, the transmission precision is higher, has improved the precision of welder location for the location of solder joint is more accurate.

In one embodiment, sliding sleeves 11 are arranged on two sides of the moving block 4, a connecting rod 12 in the vertical direction is arranged on the outer wall of each sliding sleeve 11, one end of each connecting rod 12 is connected with the outer wall of each sliding sleeve 11, and the other end of each connecting rod 12 is connected with the top of the inner wall of the box body 3. The sliding sleeve 11 plays a role in guiding and supporting, so that the moving block 4 moves left and right more stably, and the welding spots are positioned more accurately.

In one embodiment, a horizontal supporting arm 13 is arranged on the outer wall of the box body 3, an air cylinder 14 is arranged below the supporting arm 13, a piston rod 15 of the air cylinder 14 is upwards vertically connected with one end of the supporting arm 13, and the other end of the supporting arm 13 is connected with the side wall of the box body 3. The piston rod 15 enables the welding gun to move up and down, and the position in the height direction is adjusted.

In one embodiment, the bottom end of the air cylinder 14 is connected with the top end of a moving trolley 16, four pulleys 17 are symmetrically arranged at the bottom end of the moving trolley 16, two parallel slide rails 18 are arranged below the moving trolley 16, the slide rails 18 are perpendicular to the supporting arm 13, and the pulleys 17 can reciprocate on the slide rails 18. The traveling carriage is capable of reciprocating along the slide rails 18 to position the welding torch in the lateral direction.

In one embodiment, as shown in fig. 4 to 5, a transverse photoelectric sensor 19 and a longitudinal photoelectric sensor 20 are disposed at the bottom end of the moving shaft 1, a welding head of the welding gun 2 is located between the transverse photoelectric sensor 19 and the longitudinal photoelectric sensor 20, a vertical photoelectric sensor 21 is disposed above the welding gun 2, the vertical photoelectric sensor 21 is connected to the outer wall of the moving shaft 1, a PLC controller 22 is disposed on the moving shaft 1, the PLC controller 22 is in wireless communication with the motor 10, the air cylinder 14, and the moving trolley 16, and the transverse photoelectric sensor 19, the longitudinal photoelectric sensor 20, and the vertical photoelectric sensor 21 are electrically connected to the PLC controller 22. The photoelectric sensor is GL6-N1211, the front end of the photoelectric sensor is provided with an elastic probe, the probe is contacted with the steel bar, the probe retracts, and a switch is triggered, so that the contact with the surface of the steel bar is detected.

The working principle and the beneficial technical effects of the technical scheme are as follows: when the transverse photoelectric sensor 19, the longitudinal photoelectric sensor 20 and the vertical photoelectric sensor 21 touch the crossed steel bars and the top surfaces of the steel bars when the transverse photoelectric sensor, the longitudinal photoelectric sensor and the vertical photoelectric sensor are moved and positioned on the crossed steel bar welding points, the motor 10, the air cylinder 14 and the moving trolley 16 are correspondingly closed, so that the steel bar welding points are accurately positioned automatically, and the positioning precision and the welding efficiency are improved.

In one embodiment, as shown in fig. 2, heat dissipation holes 23 are formed in an outer wall of the box 3, and a filter screen is disposed in the heat dissipation holes 23 for ventilation, so as to improve heat dissipation efficiency.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A longitudinal horizontal, central photoelectric sensing and positioning device, comprising: the welding device comprises a moving shaft (1), wherein a welding gun (2) is arranged at the lower end of the moving shaft (1), and a positioning device is arranged at the upper end of the moving shaft (1);

the positioning device includes: a box body (3), a moving block (4), a first rack (7), a second rack (8), an incomplete gear (9) and a motor (10),

a moving block (4) is arranged in the box body (3), a guide opening (5) in the horizontal direction is formed in the bottom end of the box body (3), and one end, far away from the welding gun (2), of the moving shaft (1) penetrates through the guide opening (5) to be connected with the bottom end of the moving block (4);

the movable block (4) is provided with a horizontal guide groove (6), the top of the inner wall of the guide groove (6) is provided with a horizontal first rack (7), the bottom of the inner wall of the guide groove (6) is provided with a horizontal second rack (8), an incomplete gear (9) is arranged between the first rack (7) and the second rack (8), the incomplete gear (9) can be meshed with the first rack (7) and the second rack (8) respectively, the inner wall of the box body (3) is provided with a motor (10), and an output shaft of the motor (10) is connected with the incomplete gear (9).

2. The longitudinal horizontal central photoelectric sensing positioning device according to claim 1, wherein sliding sleeves (11) are arranged on two sides of the moving block (4), a connecting rod (12) in a vertical direction is arranged on the outer wall of each sliding sleeve (11), one end of each connecting rod (12) is connected with the outer wall of each sliding sleeve (11), and the other end of each connecting rod (12) is connected with the top of the inner wall of the box body (3).

3. The longitudinal horizontal central photoelectric sensing positioning device according to claim 1, wherein a horizontal supporting arm (13) is arranged on the outer wall of the box body (3), a cylinder (14) is arranged below the supporting arm (13), a piston rod (15) of the cylinder (14) is upwards vertically connected with one end of the supporting arm (13), and the other end of the supporting arm (13) is connected with the side wall of the box body (3).

4. The longitudinal horizontal, central photoelectric sensing positioning device according to claim 3, wherein the bottom end of the cylinder (14) is connected with the top end of a mobile trolley (16), four pulleys (17) are symmetrically arranged at the bottom end of the mobile trolley (16), two parallel slide rails (18) are arranged below the mobile trolley (16), the slide rails (18) are perpendicular to the supporting arms (13), and the pulleys (17) can reciprocate on the slide rails (18).

5. A longitudinal horizontal, central photo-sensing location device according to claim 4, the bottom end of the motion shaft (1) is provided with a transverse photoelectric sensor (19) and a longitudinal photoelectric sensor (20), the welding head of the welding gun (2) is positioned between the transverse photoelectric sensor (19) and the longitudinal photoelectric sensor (20), a vertical photoelectric sensor (21) is arranged above the welding gun (2), the vertical photoelectric sensor (21) is connected with the outer wall of the moving shaft (1), a PLC (programmable logic controller) 22 is arranged on the moving shaft (1), the PLC 22 is respectively in wireless communication with the motor 10, the cylinder 14 and the moving trolley 16, the transverse photoelectric sensor (19), the longitudinal photoelectric sensor (20) and the vertical photoelectric sensor (21) are respectively and electrically connected with the PLC (22).

6. The longitudinal horizontal, central photoelectric sensing and positioning device according to claim 1, wherein the outer wall of the box (3) is provided with heat dissipation holes (23).

7. The longitudinal horizontal, central photoelectric sensing and positioning device according to claim 6, wherein a filter screen is disposed in the heat dissipation hole (23).