CN216327181U

CN216327181U - Square steel pipe inner wall welding seam grinding device

Info

Publication number: CN216327181U
Application number: CN202122874291.5U
Authority: CN
Inventors: 陈红谓
Original assignee: Changzhou Kaneken Steel Section Co ltd
Current assignee: Changzhou Kaneken Steel Section Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-19
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a square steel tube inner wall weld joint polishing device which comprises a support frame, a polishing rod, a guide seat, a spline shaft, a moving rod, a lead screw and a lead screw motor, wherein the guide seat is fixed on the support frame, a driving mechanism is fixed at the top end of the guide seat, a sleeve is rotationally connected in the guide seat, and the spline shaft penetrates through the guide seat and is in spline connection with the sleeve. The automatic polishing device is simple in structure and high in automation degree, a motor in the driving mechanism drives a sleeve to rotate through a gear disc, the sleeve drives the spline shaft to rotate, the polishing rod located at the end of the spline shaft rotates along with the sleeve, the lead screw motor drives the lead screw to rotate, the lead screw drives the sliding seat to move, the sliding seat pushes the moving rod to move, the moving rod drives the rotating polishing rod to extend into the inner wall of the square steel pipe, and a welding seam is polished through the polishing rod, so that the polishing effect is good.

Description

Square steel pipe inner wall welding seam grinding device

The technical field is as follows:

the utility model relates to the technical field of square steel pipe production, in particular to a polishing device for welding seams on the inner wall of a square steel pipe.

Background art:

the square steel pipe is called square pipe for short, and is a name of square pipe, namely, the steel pipe with equal side length. The strip steel is formed by welding after being rolled through process treatment, a smooth square pipe of an inner wall is needed for a client, welding seams of the inner wall need to be polished after welding, but the pipe opening of the square pipe is smaller, the pipe is long, and then the polishing difficulty is increased.

The utility model has the following contents:

aiming at the problems, the utility model provides the square steel pipe inner wall weld joint polishing device which is simple in structure, high in automation degree and good in polishing effect.

The utility model is realized by the following technical scheme:

a polishing device for welding seams on the inner wall of a square steel pipe comprises a support frame, a polishing rod, a guide seat, a spline shaft, a moving rod, a screw rod and a screw rod motor, the guide seat is fixed on the support frame, the top end of the guide seat is fixed with a driving mechanism, the guide seat is rotationally connected with a sleeve, the spline shaft penetrates through the guide seat, and is in splined connection with the sleeve, the driving mechanism drives the sleeve to drive the spline shaft to rotate, the moving rod is in sliding connection with the guide seat, a shaft seat is fixed on the surface of one end of the moving rod, the polishing rod is rotatably arranged on the shaft seat, the other end of the polishing rod is fixedly connected with the spline shaft, the screw rod is arranged at the bottom end of the movable rod, and the lead screw is driven by a lead screw motor, a sliding seat is arranged on the surface of the lead screw, a vertical plate is fixed on the sliding seat and fixedly connected with a moving rod, and a plurality of height adjusting mechanisms are further arranged on the moving rod.

For the convenience of polishing the square steel pipes with different pipe diameters, the height adjusting mechanism comprises an adjusting rod, a lifting block, a connecting rod and a supporting rod, the adjusting rod penetrates through the wall thickness of the moving rod and is arranged in a threaded connection mode, the lifting block rotates to be arranged on the surface of the adjusting rod, the upper surface and the lower surface of the lifting block are provided with limiting blocks, the limiting blocks are fixed on the adjusting rod, the two sides of the lifting block are symmetrically hinged to form connecting rods, one end of each connecting rod is hinged to each supporting rod, one end of each supporting rod is hinged to the moving rod, and the other end of each supporting rod is provided with a roller.

Preferably, the driving mechanism comprises a motor, a speed reducer and a gear disc, the speed reducer is in transmission connection with the motor, and the gear disc is fixed on an output shaft of the speed reducer.

Preferably, the outer wall of the sleeve is provided with annular and uniformly distributed tooth grooves, and the tooth grooves are meshed with the gear disc.

In order to provide supporting force for the moving rod and avoid deformation of the moving rod due to overweight of the end part, a suspension supporting block is arranged at the bottom of one end, close to the grinding rod, of the moving rod, and two side edges at the top end of the suspension supporting block are arranged in a round angle mode.

Preferably, a spring is fixed at the bottom end of the suspension support block and is fixed on the support frame.

The utility model has the beneficial effects that: the square steel pipe inner wall weld joint polishing device is simple in structure and high in automation degree, a motor in a driving mechanism drives a sleeve to rotate through a gear disc, the sleeve drives a spline shaft to rotate, a polishing rod located at the end part of the spline shaft rotates along with the sleeve, a lead screw motor works to drive a lead screw to rotate, the lead screw drives a sliding seat to move, the sliding seat pushes a moving rod to move, the moving rod drives the rotating polishing rod to extend into the inner wall of the square steel pipe, the weld joint is polished through the polishing rod, and the polishing effect is good; through being provided with height adjusting mechanism, can adapt to the side pipe of different models, the practicality is stronger.

Description of the drawings:

FIG. 1 is an overall elevational structural schematic of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;

FIG. 3 is a side view of the spline shaft to sleeve connection of the present invention.

In the figure: the grinding machine comprises a support frame 1, a grinding rod 2, a guide seat 3, a spline shaft 4, a moving rod 5, a lead screw 6, a lead screw motor 7, a sleeve 8, a sliding seat 9, a vertical plate 10, an adjusting rod 11, a lifting block 12, a connecting rod 13, a supporting rod 14, a limiting block 15, a roller 16, a motor 17, a gear disc 18, a suspension supporting block 19 and a spring 20.

The specific implementation mode is as follows:

the following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model more readily understood by those skilled in the art, and thus will more clearly and distinctly define the scope of the utility model.

As shown in fig. 1-3, the square steel tube inner wall weld polishing device comprises a support frame 1, a polishing rod 2, a guide holder 3, a spline shaft 4, a moving rod 5, a lead screw 6 and a lead screw motor 7, wherein the guide holder 3 is fixed on the support frame 1, a driving mechanism is fixed at the top end of the guide holder 3, the driving mechanism comprises a motor 17, a speed reducer and a gear disc 18, the speed reducer is in transmission connection with the motor 17, the gear disc 18 is fixed on an output shaft of the speed reducer, a sleeve 8 is rotationally connected with the guide holder 3, annular uniformly distributed tooth sockets are formed on the outer wall of the sleeve 8, the tooth sockets are meshed with the gear disc 18, the spline shaft 4 is arranged inside the guide holder 3 in a penetrating manner and is in spline connection with the sleeve 8, the driving mechanism drives the sleeve spline shaft 8 to drive the spline shaft 4 to rotate, the moving rod 5 and the guide holder 3 are in sliding connection, 5 one end fixed surface of carriage release lever has the axle bed, 2 rotations of the stick of polishing are installed on the axle bed, and 2 other ends of the stick of polishing and 4 fixed connections of integral key shaft, lead screw 6 sets up in 5 bottoms of carriage release lever to through the drive of

lead screw motor

7, 6 surfaces of lead screw are provided with slide 9, be fixed with riser 10 on the slide 9,

riser

10 and 5 fixed connection of carriage release lever, still be provided with a plurality of height control mechanism on the carriage release lever 5.

As shown in fig. 2, height adjusting mechanism is including adjusting pole 11, elevator 12, connecting rod 13 and bracing piece 14, adjust pole 11 and run through 5 wall thickness settings of carriage release lever, and set up to threaded connection, elevator 12 rotates and sets up on adjusting pole 11 surface, and elevator 12 upper surface and lower surface all are provided with stopper 15, stopper 15 is fixed on adjusting pole 11, elevator 12 bilateral symmetry articulates there is connecting rod 13, and connecting rod 13 one end articulates there is the

bracing piece

14, 14 one end of bracing piece is articulated with carriage release lever 5, and gyro wheel 16 is installed to the other end, when adjusting pole 11 up-movement, drives elevator 12 up-movement to make the both sides bracing piece 14 move toward the middle part, and then can be applicable to the longer side pipe in limit, otherwise can be applicable to the shorter side pipe in limit.

As shown in fig. 1, a suspension support block 19 is arranged at the bottom of one end of the moving rod 5 close to the grinding rod 2, two side edges at the top end of the suspension support block 19 are arranged in a round angle mode, a spring 20 is fixed at the bottom end of the suspension support block 19, the spring 20 is fixed on the support frame 1, and the suspension support block 19 can provide support force for the moving rod 5 to avoid deformation of the moving rod 5 caused by overweight of the end part.

When processing, the motor 17 works in the driving mechanism and drives the sleeve 8 to rotate through the gear disc 18, the sleeve 8 drives the spline shaft 4 to rotate, the polishing rod 2 positioned at the end part of the spline shaft 4 rotates along with the sleeve, the lead screw motor 7 works to drive the lead screw 6 to rotate, the lead screw 6 drives the sliding seat 9 to move, the sliding seat 9 pushes the moving rod 5 to move, the moving rod 5 drives the rotating polishing rod 2 to stretch into the inner wall of the square steel pipe, and the welding seam is polished through the polishing rod 2.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides a square steel pipe inner wall welding seam grinding device which characterized in that: including support frame, sanding stick, guide holder, integral key shaft, carriage release lever, lead screw and lead screw motor, the guide holder is fixed on the support frame, the guide holder top is fixed with actuating mechanism, the guide holder internal rotation is connected with the sleeve pipe, the integral key shaft runs through the setting inside the guide holder, and sets up to splined connection with the sleeve pipe, and actuating mechanism drive sleeve pipe drives the integral key shaft and rotates, the carriage release lever sets up to sliding connection with the guide holder, and carriage release lever one end fixed surface has the axle bed, sanding stick rotates and installs on the axle bed, polishes the stick other end and integral key shaft fixed connection, the lead screw sets up in the carriage release lever bottom to through lead screw motor drive, the lead screw surface is provided with the slide, be fixed with the riser on the slide, riser and carriage release lever fixed connection, still be provided with a plurality of height control mechanism on the carriage release lever.

2. The grinding device for the welding seam on the inner wall of the square steel tube according to claim 1, wherein: height adjusting mechanism is including adjusting pole, elevator, connecting rod and bracing piece, it runs through the carriage release lever wall thickness setting to adjust the pole, and sets up to threaded connection, the elevator rotates and sets up on adjusting the pole surface, and elevator upper surface and lower surface all are provided with the stopper, the stopper is fixed on adjusting the pole, the elevator bilateral symmetry articulates there is the connecting rod, and connecting rod one end articulates there is the bracing piece, bracing piece one end is articulated with the carriage release lever, and the gyro wheel is installed to the other end.

3. The grinding device for the welding seam on the inner wall of the square steel tube according to claim 1, wherein: the driving mechanism comprises a motor, a speed reducer and a gear disc, the speed reducer is in transmission connection with the motor, and the gear disc is fixed on an output shaft of the speed reducer.

4. The grinding device for the welding seam on the inner wall of the square steel tube according to claim 3, wherein: the outer wall of the sleeve is provided with tooth grooves which are uniformly distributed in an annular mode, and the tooth grooves are meshed with the gear disc.

5. The grinding device for the welding seam on the inner wall of the square steel tube according to claim 1, wherein: the bottom of the moving rod, which is close to one end of the grinding rod, is provided with a suspension supporting block, and two side edges at the top end of the suspension supporting block are arranged in a round angle mode.

6. The grinding device for the welding seam on the inner wall of the square steel tube according to claim 5, wherein: and a spring is fixed at the bottom end of the suspension supporting block and is fixed on the supporting frame.