CN216637795U

CN216637795U - Scraper middle groove welding positioner

Info

Publication number: CN216637795U
Application number: CN202220200833.2U
Authority: CN
Inventors: 杨振
Original assignee: Changzhou Zhuoyi Welding Equipment Co ltd
Current assignee: Changzhou Zhuoyi Welding Equipment Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-05-31
Anticipated expiration: 2032-01-25

Abstract

The utility model belongs to the technical field of welding, and particularly relates to a scraper middle groove welding positioner device. The automatic welding machine provides effective positioning guarantee for automatic welding, and manual supporting and leaning against the baffle ledge and the sealing bottom plate in the welding process are reduced. Comprises a landing mounting rack; the floor mounting rack is provided with two opposite rack bodies: a headstock and a tailstock; a single-shaft position changing machine is arranged between the headstock and the tailstock; a positioning clamp is arranged on the single-shaft positioner; the positioning fixture comprises a front mounting cross beam and a rear mounting cross beam, and a longitudinal beam is arranged between the two mounting cross beams; the longitudinal beam is provided with a pressing mechanism for fixing the workpiece sealing bottom plate; and side plate positioning mechanisms for ledge of the workpiece baffle are respectively arranged at two sides of the longitudinal beam, each side plate positioning mechanism comprises a 90-degree turning plate, and a profiling mold for assisting in fixing the ledge of the baffle is arranged on each turning plate.

Description

Scraper middle groove welding positioner

Technical Field

The utility model belongs to the technical field of welding, and particularly relates to a scraper middle groove welding positioner device.

Background

In recent years, coal machine equipment has a great breakthrough in the field of intelligent manufacturing. The automatic welding of equipment in the coal machine industry is the main point of automatic transformation, and especially, higher requirements are put forward for welding equipment of medium and heavy plates.

The middle groove is a key part in the scraper conveyor, and the using amount is very large in actual production. The baffle plate mainly comprises a baffle plate ledge, a sealing bottom plate and the like. The material loading mechanism is used as a machine body and a material loading mechanism of the scraper conveyor, is positioned in the middle of the scraper conveyor and is one of main parts of the scraper conveyor. Excessive wear and tear of the middle trough directly affects the reliability and service life of the scraper conveyor. Therefore, the quality of the weld in the centerwell determines the life of the coal mining system.

At present, most of middle grooves of the scraper conveyor are manually welded, the production mode is low in efficiency, welding precision is difficult to guarantee, and the qualified rate is low. In order to match with the robot for automatic welding, a positioner fixture device matched with the robot for automatic welding needs to be designed, and the functions of automatic welding and high-precision positioning are realized.

Disclosure of Invention

The utility model provides a scraper middle groove welding positioner aiming at the defects in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme that the device comprises a floor mounting rack; the floor type mounting rack is characterized in that two opposite rack bodies are arranged on the floor type mounting rack: a headstock and a tailstock; a single-shaft position changing machine is arranged between the headstock and the tailstock; a positioning clamp is arranged on the single-shaft positioner; the positioning fixture comprises a front mounting cross beam and a rear mounting cross beam, and a longitudinal beam is arranged between the two mounting cross beams; the longitudinal beam is provided with a pressing mechanism for fixing the workpiece sealing bottom plate; and side plate positioning mechanisms for ledge of the workpiece baffle are respectively arranged at two sides of the longitudinal beam, each side plate positioning mechanism comprises a 90-degree turning plate, and a profiling mold for assisting in fixing the ledge of the baffle is arranged on each turning plate.

Furthermore, the first end of the turning plate is rotatably connected with one mounting beam, and the second end of the turning plate is rotatably connected with the other mounting beam.

Furthermore, a handle convenient to grasp is arranged on the outer side of the turning plate.

Furthermore, the inner sides of the two mounting cross beams are respectively provided with a connecting rod, the first end of the turning plate is rotationally connected with one connecting rod through a rotating shaft, and the second end of the turning plate is rotationally connected with the other connecting rod through the rotating shaft; the connecting rod is provided with a baffle plate, and when the turning plate rotates from a vertical position to a horizontal position, the turning plate is limited by the baffle plate.

Specifically, the rotation of the rotating shaft is damped rotation.

Further, the crossbeam is 90 degrees with the longeron, and the crossbeam level sets up.

Furthermore, the single-shaft positioner comprises a rotating shaft arranged between the headstock and the tailstock, and the rotating shaft is rotatably connected with the headstock and the tailstock; and the tail frame or the head frame is provided with a turnover motor, and the turnover motor is connected with the rotating shaft and drives the rotating shaft to rotate.

Further, the turnover motor is provided with a motor cover.

Furthermore, one end of the rotating shaft is rotatably connected with the head frame through a bearing, and the other end of the rotating shaft is rotatably connected with the tail frame through a bearing.

Furthermore, the pressing mechanism comprises a longitudinal beam guide sleeve sleeved on the longitudinal beam, and the guide sleeve can move back and forth along the longitudinal beam; an L-shaped support plate is arranged on the guide sleeve, a nut sleeve is arranged at the top of the support plate, and a compression screw is connected to the nut sleeve in a threaded manner; one end of the compression screw penetrates through the rear jacking longitudinal beam through the nut sleeve, and the other end of the compression screw is provided with a handle.

Furthermore, there are two longitudinal beams, and the longitudinal beams are made of channel steel.

Further, the shape of the profiling is the same as that of the baffle ledge.

Compared with the prior art, the utility model has the beneficial effects.

The utility model realizes the effective displacement and clamping of the middle groove of the scraper conveyor, provides effective positioning guarantee for automatic welding, and subtracts the manual supporting and leaning of the baffle ledge and the sealing bottom plate in the welding process; and automatic overturning and shifting and high-precision positioning can be realized.

Drawings

The utility model is further described with reference to the following figures and detailed description. The scope of the utility model is not limited to the following expressions.

FIG. 1 is a schematic view of the overall structure of a middle groove welding positioner.

Fig. 2 is a schematic view of the positioning jig clamping the workpiece.

Fig. 3 is a schematic view of the positioning jig.

Fig. 4 is a schematic view of the pressing mechanism.

Fig. 5 is a schematic structural view of the side plate positioning mechanism.

In the figure, 1 is a tailstock, 2 is a headstock, 3 is a floor mounting rack, 4 is a single-shaft positioner, 5 is a turnover motor, 6 is a rotating shaft, 7 is a positioning clamp, 8 is a side plate positioning mechanism, 9 is a profiling, 10 is a sealing bottom plate, 11 is a welding seam, 12 is a pressing mechanism, 13 is an installation cross beam, 14 is a connecting rod, 15 is a longitudinal beam, 16 is a baffle ledge, 17 is a guide sleeve, 18 is a handle, 19 is a support plate, 20 is a pressing screw rod, 21 is a nut sleeve, 22 is a turnover plate, 23 is a baffle plate, and 24 is a rotating shaft.

Detailed Description

As shown in fig. 1-5, the specific embodiment: comprises a landing mounting rack 3; fall to the ground on the mounting bracket 3 and be provided with two relative and support bodies of establishing: a headstock 2 and a tailstock 1; a single-shaft position changing machine 4 is arranged between the headstock 2 and the tailstock 1; the single-shaft positioner 4 is provided with a positioning clamp 7; the positioning clamp 7 comprises a front mounting cross beam 13 and a rear mounting cross beam 13, and a longitudinal beam 15 is arranged between the two mounting cross beams 13; the longitudinal beam 15 is provided with a pressing mechanism 12 for fixing the workpiece sealing bottom plate 10; when the sealing bottom plate 10 is placed on the longitudinal beam 15, the pressing mechanism 12 applies force to the longitudinal beam 15 and presses the sealing bottom plate 10; side plate positioning mechanisms 8 for the ledge 16 of the workpiece baffle are respectively arranged at two sides of the longitudinal beam 15, each side plate positioning mechanism 8 comprises a turning plate 22 with an angle of 90 degrees, and a profiling mold 9 for assisting in fixing the ledge 16 of the baffle is arranged on each turning plate 22. The cross beam and the longitudinal beam 15 are 90 degrees, and the cross beam is horizontally arranged. The number of the longitudinal beams 15 is two, and the longitudinal beams 15 are made of channel steel. The cross beams and the longitudinal beams 15 form a frame structure for supporting the workpiece bottom sealing plate 10.

Description of the welding procedure: the middle groove welding positioner of the scraper realizes welding the ledges 16 of the baffles at two sides with the sealing bottom plate 10; first, the back cover plate 10 is manually placed on the longitudinal beam 15 and fixed by the pressing mechanism 12. Then, the baffle ledge 16 is manually conveyed to the side plate positioning mechanism 8 (at this time, the side plate positioning mechanism 8 is horizontally placed), and the baffle ledge 16 is placed in the explorator 9 to perform position positioning. Finally, the side plate positioning mechanism 8 is manually turned over by 90 degrees, the two sides of the baffle ledge 16 and the sealing bottom plate 10 are tightly attached, and then an automatic welding device is adopted to carry out the welding process of the welding seam.

Preferably, a first end of the flap 22 is rotatably connected to one mounting beam 13, and a second end of the flap 22 is rotatably connected to the other mounting beam 13. The outside of the turning plate 22 is provided with a handle which is convenient to grasp, and the handle is arranged to be convenient to operate and rotate manually, so that the turning plate 22 can rotate by 90 degrees. The inner sides of the two mounting beams 13 are respectively provided with a connecting rod 14, and the connecting rods 14 are fixedly connected with the corresponding beams and used for supporting the turning plate 22. A first end of the turning plate 22 is rotatably connected with one connecting rod 14 through a rotating shaft 24, and a second end of the turning plate 22 is rotatably connected with the other connecting rod 14 through the rotating shaft 24; the connecting rod 14 is provided with a baffle 23, and when the turning plate 22 rotates from a vertical position to a horizontal position, the turning plate is limited by the baffle 23 and is prevented from further rotating. The rotation of the rotating shaft is damping rotation. Damping rotation can effectively reduce unnecessary vibration.

The embodiment of the positioner comprises: the single-shaft positioner 4 comprises a rotating shaft 6 arranged between the headstock 2 and the tailstock 1, and the rotating shaft 6 is rotatably connected with the headstock 2 and the tailstock 1; the tail frame 1 or the head frame 2 is provided with a turnover motor 5, and the turnover motor 5 is connected with a rotating shaft 6 to drive the rotating shaft 6 to rotate. The motor cover is installed to upset motor 5, and the motor cover is effectively dustproof. One end of the rotating shaft 6 is rotatably connected with the headstock 2 through a bearing, and the other end of the rotating shaft 6 is rotatably connected with the tailstock 1 through a bearing. The setting of machine of shifting has realized welder according to the posture difference in welding process, realizes shifting at any time, and the better welding of cooperation welder.

Embodiment of the hold-down mechanism 12: the pressing mechanism 12 comprises a longitudinal beam 15 guide sleeve 17 sleeved on the longitudinal beam 15, and the guide sleeve 17 can move back and forth along the longitudinal beam 15; an L-shaped support plate 19 is arranged on the guide sleeve 17, a nut sleeve 21 is arranged at the top of the support plate 19, and a compression screw 20 is connected to the nut sleeve 21 in a threaded manner; one end of the compression screw rod 20 penetrates through the rear jacking longitudinal beam 15 through a nut sleeve 21, and the other end of the compression screw rod 20 is provided with a handle 18. The compression screw rod 20 is rotated to adjust the depth of the compression screw rod 20 extending into the nut sleeve 21, so that the compression screw rod is tightly propped against the longitudinal beam 15 or loosened from the longitudinal beam 15.

Embodiment of the explorator 9: the shape of the former 9 is the same as the shape of the apron ledge 16. The explorator 9 adopts a detachable connection mode, and the explorator 9 with different specifications can be replaced according to different workpieces.

The whole structure of the equipment comprises: the device consists of a single-shaft positioner 4 and a positioning clamp 7. The positioning jig 7 is composed of: the device comprises a mounting cross beam 13, a first longitudinal beam 15, a second longitudinal beam 15, a pressing mechanism 12 and a side plate positioning mechanism 8. Wherein, hold-down mechanism 12 sets up on first longeron and second longeron, sets up two on every longeron relatively, can slide on first longeron and second longeron, realizes through channel-section steel guide pin bushing 17 and longeron cooperation.

The action process of the pressing mechanism 12 is as follows: the side plate positioning mechanism 8 can realize the 90-degree turnover function of the two outward sides, the workpiece W-shaped side plate (namely the baffle ledge 16) can be conveniently and manually placed at the corresponding position of the side plate positioning mechanism 8, the profiling 9 matched with the workpiece W-shaped side plate is arranged at the corresponding position of the side plate positioning mechanism 8, and the accurate positioning of the workpiece W-shaped side plate is realized.

It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the utility model.

Claims

1. The scraper middle groove welding positioner device comprises a landing mounting frame; the method is characterized in that: the floor mounting rack is provided with two opposite rack bodies: a headstock and a tailstock; a single-shaft position changing machine is arranged between the headstock and the tailstock;

a positioning clamp is arranged on the single-shaft positioner; the positioning fixture comprises a front mounting cross beam and a rear mounting cross beam, and a longitudinal beam is arranged between the two mounting cross beams; the longitudinal beam is provided with a pressing mechanism for fixing the workpiece sealing bottom plate;

and side plate positioning mechanisms for ledge of the workpiece baffle are respectively arranged at two sides of the longitudinal beam, each side plate positioning mechanism comprises a 90-degree turning plate, and a profiling mold for assisting in fixing the ledge of the baffle is arranged on each turning plate.

2. The scraper middle groove welding positioner device of claim 1, characterized in that: the first end of the turning plate is rotatably connected with one mounting beam, and the second end of the turning plate is rotatably connected with the other mounting beam.

3. The scraper middle groove welding positioner device of claim 2, characterized in that: and a handle convenient to grasp is arranged on the outer side of the turning plate.

4. The scraper middle groove welding positioner device of claim 1, characterized in that: the inner sides of the two mounting cross beams are respectively provided with a connecting rod, the first end of the turning plate is rotationally connected with one connecting rod through a rotating shaft, and the second end of the turning plate is rotationally connected with the other connecting rod through a rotating shaft; the connecting rod is provided with a baffle plate, and when the turning plate rotates from a vertical position to a horizontal position, the turning plate is limited by the baffle plate.

5. The scraper middle groove welding positioner device of claim 1, characterized in that: the crossbeam is 90 degrees with the longeron, and the crossbeam level sets up.

6. The scraper middle groove welding positioner device of claim 1, characterized in that: the single-shaft positioner comprises a rotating shaft arranged between the headstock and the tailstock, and the rotating shaft is rotationally connected with the headstock and the tailstock; and the tail frame or the head frame is provided with a turnover motor, and the turnover motor is connected with the rotating shaft and drives the rotating shaft to rotate.

7. The scraper middle groove welding positioner device of claim 6, characterized in that: the overturning motor is provided with a motor cover.

8. The scraper middle groove welding positioner device of claim 6, characterized in that: one end of the rotating shaft is rotatably connected with the head frame through a bearing, and the other end of the rotating shaft is rotatably connected with the tail frame through a bearing.

9. The scraper middle groove welding positioner device of claim 1, characterized in that: the pressing mechanism comprises a longitudinal beam guide sleeve sleeved on the longitudinal beam, and the guide sleeve can move back and forth along the longitudinal beam; an L-shaped support plate is arranged on the guide sleeve, a nut sleeve is arranged at the top of the support plate, and a compression screw is connected to the nut sleeve in a threaded manner; one end of the compression screw penetrates through the rear jacking longitudinal beam through the nut sleeve, and the other end of the compression screw is provided with a handle.

10. The scraper middle groove welding positioner device of claim 1, characterized in that: the number of the longitudinal beams is two, and the longitudinal beams are made of channel steel; the shape of the profiling is the same as that of the baffle ledge.