CN214603445U

CN214603445U - Grinding equipment for inner hole of large-diameter seamless steel pipe

Info

Publication number: CN214603445U
Application number: CN202120031790.5U
Authority: CN
Inventors: 蒙利通; 周先林
Original assignee: Zhejiang Kangxin Steel Pipe Co ltd
Current assignee: Zhejiang Kangxin Steel Pipe Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-11-05
Anticipated expiration: 2031-01-07

Abstract

The utility model discloses a seamless steel pipe hole coping equipment of major diameter aims at solving the coping size that needs the transform emery wheel, has to be frequent dismantles the change to the emery wheel, and the step is loaded down with trivial details, has great inconvenient problem. The key points of the technical scheme are as follows: the grinding device comprises a frame, wherein a grinding rod is arranged on the frame, a rotating disc is fixedly connected with the other end of the grinding rod, a cavity is formed in the rotating disc, a moving rod is arranged in the cavity, a through hole is formed in the rotating disc, a grinding disc is fixedly connected with one end of the moving rod, an electric push rod is arranged in the cavity, an installation block is fixedly connected with the other end of the electric push rod, a driving rod is arranged on the installation block, one end of the driving rod is rotatably connected with the installation block, and the other end of the driving rod is rotatably connected with the moving rod. The utility model discloses a large diameter seamless steel pipe hole coping equipment can make the piece of polishing can polish the steel pipe inner wall of different specifications size through the push-and-pull carriage release lever, need not dismantle the carousel, has improved the efficiency of polishing.

Description

Grinding equipment for inner hole of large-diameter seamless steel pipe

Technical Field

The utility model relates to a steel pipe processing equipment, more specifically say, it relates to a seamless steel pipe hole coping equipment of major diameter.

Background

The existing steel pipe is generally ground by using an artificial grinding head or a simple mechanical grinding head, the efficiency is low, the manual labor intensity is high, the working condition is obviously insufficient, and the requirements of high efficiency and high quality in times cannot be met. In addition, the inner surface of the steel pipe produced generally has the defects of scabbing, internal wrinkles, thread lines, oxide skin and the like, and particularly, the oxide layer is easy to block a valve in the use process of an oil pipe and a boiler pipe, so that accidents are caused. The existing inner grinding machine is often complex in structure and high in manufacturing cost, and is not suitable for grinding the inner surfaces of steel pipes with different sizes.

In order to solve the above problems, the chinese patent with publication number CN206500946U discloses_SteelThe grinding device for the inner surface of the pipe comprises a grinding wheel grinding head, a rotating speed adjusting and rotating grinding rod, a rotating motor, a support frame, at least 3 connecting rods, a traveling pulley and a traveling driving mechanism; the grinding wheel grinding head is connected with one end of a rotating speed adjusting rotary grinding rod through an adapter, and the other end of the rotating speed adjusting rotary grinding rod is connected with a rotating motor; the rotating motor is fixed on the upper end face of the support frame, one end of the connecting rod is fixed on the lower end face or the side face of the support frame, and the other end of the connecting rod is connected with the walking pulley; the center of the lower end surface of the support frame is connected with the walking driving mechanism; the walking driving mechanism is electrically connected with the controller, and the controller is wirelessly connected with the rotating motor.

According to the scheme, the grinding wheel grinding head with the corresponding size is selected according to the diameter of the steel pipe, then the adapter with the corresponding size is selected, the grinding wheel grinding head is connected to the rotating speed adjusting rotary grinding rod, then the grinding wheel grinding head is placed into the steel pipe to be ground, and grinding wheels with different sizes are detached and replaced to grind the steel pipes with different specifications. However, in the above scheme, when steel pipes with different sizes and specifications are to be polished, the grinding wheel needs to be detached and replaced and then installed again, so that the steps are complicated, and the processing efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a seamless steel pipe hole coping equipment of major diameter, through set up the installation piece in the cavity of rolling disc and drive the pole and drive the carriage release lever and remove, the specification that realizes polishing piece and polish is adjustable, reaches convenient and adjusts polishing specification, improves the purpose of efficiency of polishing.

The above technical purpose of the utility model is a seamless steel pipe hole coping equipment of major diameter that can realize through following technical scheme, which comprises a frame, be provided with one end in the frame and rotate the grinding pin of being connected rather than, the other end fixedly connected with rolling disc of grinding pin, be provided with the cavity in the rolling disc, be provided with the carriage release lever that a plurality of annular array distribute in the cavity, be provided with the through-hole that supplies the carriage release lever to stretch out on the rolling disc, the one end fixedly connected with polishing piece that the through-hole was stretched out to the carriage release lever, be provided with one end rather than fixed connection's electric putter in the cavity, electric putter's other end fixedly connected with installation piece, be provided with the drive pole that a plurality of annular array distribute on the installation piece, the one end and the installation piece of drive pole rotate to be connected, the other end and the carriage release lever of drive pole rotate to be connected.

By adopting the technical scheme, when the inner wall of the steel pipe needs to be polished, the rotating disc extends into the steel pipe, the grinding rod is rotated, the grinding rod can drive the rotating disc to rotate, the grinding sheet outside the rotating disc can grind the inner wall of the steel pipe in the rotating process, when the inner diameter of the polished steel pipe is increased, the mounting block can be pushed to one side close to the moving rod through the electric push rod, after the distance between the mounting block and the moving rod is reduced, the moving rod can be pushed outwards by the driving rod because the length of the driving rod is fixed, the grinding sheet can be driven by the moving rod to be pushed outwards, the diameter of a ring formed by surrounding the grinding sheets distributed in an annular array can be increased until the grinding sheet is abutted against the inner wall of the steel pipe, the steel pipe with larger inner diameter can be polished, when the steel pipe with smaller inner diameter needs to be polished, the mounting block is driven by the electric push rod to move to one side far away from the moving rod, the installation piece just can be through driving the pole in pulling back the cavity with the carriage release lever, and the carriage release lever just also can drive the polishing piece to the one side withdrawal that is close to the rolling disc, just can polish the steel pipe that the internal diameter is littleer, only need just can realize being applicable to more steel pipes of different specifications through electric putter and polish, and convenient operation is laborsaving, has saved the loaded down with trivial details step of dismantling the installation, has improved the efficiency of polishing.

The utility model discloses further set up to: the one end fixedly connected with inserted bar that electric putter was kept away from to the installation piece, be provided with the dead lever on the inner wall of cavity, be provided with on the dead lever and supply inserted bar male slot.

Through adopting above-mentioned technical scheme, at the in-process that the installation piece removed along with electric putter's promotion, the inserted bar also can remove along the slot in the dead lever, makes the installation piece can be more stable at the in-process that removes.

The utility model discloses further set up to: the inner wall of the slot is provided with a plurality of first universal balls distributed in an array mode, and the first universal balls are attached to the surface of the inserted rod.

Through adopting above-mentioned technical scheme, at the in-process that the inserted bar removed along the slot, universal ball rolls for a moment along the surface of inserted bar, has reduced the friction between inserted bar and the slot, makes the removal of inserted bar more smooth and easy.

The utility model discloses further set up to: the one end fixedly connected with reinforcement piece of the movable rod far away from the polishing piece, the one end that drives the pole and is close to the movable rod rotates with reinforcement piece and is connected.

Through adopting above-mentioned technical scheme, drive the pole and be connected the back with the reinforcement piece, can make the connection between drive pole and the carriage release lever more stable, prolonged the carriage release lever and the life of drive pole.

The utility model discloses further set up to: the inner wall of the moving groove is provided with an elastic piece.

Through adopting above-mentioned technical scheme, at the carriage release lever along with the in-process that the drive rod removed, the lug can remove along the shifting chute, and the elastic component between lug and the shifting chute inner wall can stretch out and draw back, makes the carriage release lever at the in-process that removes more stable.

The utility model discloses further set up to: the lug is fixedly connected with a limiting block, and a limiting groove for the limiting block to insert and move is formed in the inner wall of the moving groove.

Through adopting above-mentioned technical scheme, at the in-process that the lug removed along the shifting chute, the stopper can insert and remove in the spacing groove, makes the lug more stable at the in-process that removes.

The utility model discloses further set up to: the inner wall of the limiting groove is provided with a plurality of universal ball II distributed in an array mode, and the universal ball II is attached to the surface of the limiting block.

Through adopting above-mentioned technical scheme, at the in-process that the stopper removed along the spacing groove, universal ball two can roll along the surface of stopper, has reduced the friction between stopper and the spacing groove, makes the removal of stopper more smooth and easy.

To sum up, the utility model discloses following beneficial effect has:

when the inner wall of steel pipe needs to be polished, stretch into the steel pipe with the rolling disc in, rotate the grinding pin, the grinding pin just can drive the rolling disc and rotate, the outer piece of polishing of rolling disc just can polish the inner wall of steel pipe at rotatory in-process, when the steel pipe of the different specifications of polishing, can drive the installation piece through electric putter and remove, the installation piece just can drive the piece of polishing and remove through drive pole and carriage release lever, only need just can realize through electric putter that the steel pipe that is applicable to more different specifications is polished, and convenient for operation is laborsaving, the loaded down with trivial details step of dismantlement installation has been saved, the efficiency of polishing has been improved.

Drawings

Fig. 1 is a schematic structural view of the present invention, showing the internal structural features of the rotating disk;

FIG. 2 is a schematic view of the internal structure of the present invention, showing the structural features of the mounting block and the driving rod;

fig. 3 is an enlarged view of the portion a of fig. 1, showing the positional relationship between the projection and the moving groove.

In the figure: 1. rotating the disc; 2. a cavity; 3. a travel bar; 4. grinding the sheets; 5. mounting blocks; 6. driving the rod; 7. inserting a rod; 8. fixing the rod; 9. a reinforcing sheet; 10. a bump; 11. a moving groove; 12. an elastic member; 13. a limiting block; 14. a limiting groove; 15. and a second universal ball.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The grinding equipment for the inner hole of the large-diameter seamless steel pipe comprises a rack, wherein a grinding rod is arranged on the rack, one end of the grinding rod is rotatably connected with the rack, the other end of the grinding rod is fixedly connected with a rotating disc 1, a cavity 2 is arranged in the rotating disc 1, a plurality of movable rods 3 distributed in an annular array mode are arranged in the cavity 2, a through hole for the movable rod 3 to extend out is formed in the rotating disc 1, and a grinding piece 4 is fixedly connected to one end, extending out of the through hole, of the movable rod 3.

Be equipped with one end rather than fixed connection's electric putter in the cavity 2, electric putter's other end fixedly connected with installation piece 5 is equipped with the drive rod 6 that a plurality of annular array distribute on the installation piece 5, and the one end and the installation piece 5 of drive rod 6 rotate to be connected, and the one end fixedly connected with gusset plate 9 of polishing piece 4 is kept away from to carriage release lever 3, and the one end that drive rod 6 is close to carriage release lever 3 rotates with gusset plate 9 to be connected.

One end fixedly connected with inserted bar 7 that electric putter was kept away from to installation piece 5 is equipped with dead lever 8 on the inner wall of cavity 2, is equipped with on the dead lever 8 and supplies inserted bar 7 male slot, is equipped with a plurality of array distribution's universal ball one on the inner wall of slot, and universal ball one and the laminating of inserted bar 7's surface.

The cavity 2 is internally and fixedly connected with a convex block 10, the moving rod 3 is provided with a moving groove 11 for the convex block 10 to insert and move, an elastic part 12 is arranged between the convex block 10 and the inner wall of the moving groove 11, the elastic part 12 is a spring, and two ends of the elastic part 12 are respectively and fixedly connected with the inner wall of the moving groove 11 and the convex block 10.

Fixedly connected with stopper 13 on the lug 10, be equipped with on the inner wall of shifting chute 11 and supply stopper 13 to insert and the spacing groove 14 that removes, be equipped with two 15 of the universal ball that a plurality of arrays distribute on the inner wall of spacing groove 14, two 15 of universal ball and stopper 13's surface laminating.

When the inner wall of steel pipe needs to be polished, the rotating disc 1 is stretched into the steel pipe, the grinding rod is rotated, the grinding rod can drive the rotating disc 1 to rotate, and the polishing piece 4 outside the rotating disc 1 can polish the inner wall of the steel pipe in the rotating process.

When the steel pipe internal diameter of polishing increases, can push installation piece 5 to the one side of being close to carriage release lever 3 through electric putter, the back is reduced to the distance between installation piece 5 and the carriage release lever 3, because the length of drive pole 6 is fixed unchangeable, drive pole 6 will outwards be released the carriage release lever 3, carriage release lever 3 just can drive polishing piece 4 and also outwards release, the ring diameter that a plurality of annular array distribute polish 4 enclosure formation just also can increase, conflict until polishing piece 4 and the inner wall of steel pipe, just can polish the steel pipe that the internal diameter is bigger.

When the less steel pipe of internal diameter is polished to needs, drive installation piece 5 through electric putter and remove to one side of keeping away from carriage release lever 3, installation piece 5 just can be through drive pole 6 with carriage release lever 3 pull back in cavity 2, carriage release lever 3 just also can drive polishing piece 4 and retract to one side of being close to rolling disc 1, just can polish the less steel pipe of internal diameter, only need just can realize through electric putter that the steel pipe that is applicable to more different specifications is polished, and convenient operation is laborsaving, the loaded down with trivial details step of dismantlement installation has been saved, the efficiency of polishing has been improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a large diameter seamless steel pipe hole coping equipment, includes the frame, be provided with the grinding pin that one end is connected rather than rotating in the frame, the other end fixedly connected with rolling disc (1) of grinding pin, its characterized in that: be provided with cavity (2) in rolling disc (1), be provided with carriage release lever (3) that a plurality of annular array distribute in cavity (2), be provided with the through-hole that supplies carriage release lever (3) to stretch out on rolling disc (1), one end fixedly connected with polishing piece (4) that carriage release lever (3) stretched out the through-hole, be provided with one end and its fixed connection's electric putter in cavity (2), electric putter's other end fixedly connected with installation piece (5), be provided with drive rod (6) that a plurality of annular array distribute on installation piece (5), the one end and the installation piece (5) of drive rod (6) rotate and are connected, the other end and the carriage release lever (3) of drive rod (6) rotate and are connected.

2. The inner hole grinding equipment for the large-diameter seamless steel tube according to claim 1, characterized in that: one end of the mounting block (5) far away from the electric push rod is fixedly connected with an insertion rod (7), a fixing rod (8) is arranged on the inner wall of the cavity (2), and an insertion slot for inserting the insertion rod (7) is formed in the fixing rod (8).

3. The inner hole grinding equipment for the large-diameter seamless steel tube according to claim 2, characterized in that: the inner wall of the slot is provided with a plurality of first universal balls distributed in an array mode, and the first universal balls are attached to the surface of the inserted rod (7).

4. The inner hole grinding equipment for the large-diameter seamless steel tube according to claim 1, characterized in that: one end of the moving rod (3) far away from the polishing piece (4) is fixedly connected with a reinforcing piece (9), and one end of the driving rod (6) close to the moving rod (3) is rotatably connected with the reinforcing piece (9).

5. The inner hole grinding equipment for the large-diameter seamless steel tube according to claim 1, characterized in that: the movable rod is characterized in that a convex block (10) is fixedly connected in the cavity (2), a movable groove (11) for the convex block (10) to insert and move is formed in the movable rod (3), and an elastic piece (12) is arranged between the convex block (10) and the inner wall of the movable groove (11).

6. The inner hole grinding equipment for the large-diameter seamless steel tube according to claim 5, characterized in that: the limiting block (13) is fixedly connected to the convex block (10), and a limiting groove (14) for the limiting block (13) to insert and move is formed in the inner wall of the moving groove (11).

7. The inner hole grinding equipment for the large-diameter seamless steel tube according to claim 6, wherein the inner hole grinding equipment comprises: the inner wall of the limiting groove (14) is provided with a plurality of second universal balls (15) distributed in an array mode, and the second universal balls (15) are attached to the surface of the limiting block (13).