CN219562626U - Pipe blank surface polishing equipment for producing stainless steel seamless pipe - Google Patents

Abstract

The utility model provides tube blank surface polishing equipment for producing a stainless steel seamless tube, which relates to the technical field of tube blank surface polishing and comprises a workbench, wherein a support is fixedly connected to the workbench, a polishing mechanism which is lifted along the height direction of the support is arranged in the support, the polishing mechanism comprises a hanging bracket, a plurality of fixing frames which are arranged along the length direction of the workbench are connected in a rotating manner in the hanging bracket, movable frames are arranged on the surfaces of the fixing frames in a penetrating manner, rolling discs are connected in the fixing frames and the movable frames in a rotating manner, strip-shaped racks slide through rotating bolts, gears which are connected in a meshed manner drive the fixing frames to swing, and further, the polishing sand paper and the seamless tube are guaranteed to be in an inclined state, namely, the side edge of the polishing sand paper facing the advancing direction of the seamless tube is prevented from being contacted with the surface of the seamless tube, and the side edge of the polishing sand paper is prevented from being torn due to rough particles on the surface of the seamless tube.

Description

Pipe blank surface polishing equipment for producing stainless steel seamless pipe

Technical Field

The utility model relates to the technical field of tube blank surface polishing, in particular to tube blank surface polishing equipment for producing a stainless steel seamless tube.

Background

Stainless steel seamless tubes are a long strip of steel having a hollow cross section with no seams at the periphery. The thicker the wall thickness of the product, the more economical and practical it is, the thinner the wall thickness is, and the processing cost is greatly increased.

In the manufacturing process, in order to ensure the smoothness of the surface of the stainless steel seamless tube, the surface of the stainless steel seamless tube needs to be polished, for example, chinese patent publication No.: CN217596772U discloses a tube blank surface polishing apparatus for producing a stainless steel seamless tube by placing a seamless tube on a table, then mounting a mounting cross bar for fixing sandpaper for polishing on the table, advancing spirally through the seamless tube, and polishing through the sandpaper surface for polishing.

However, the scheme has the defects that: that is, the position of the sandpaper is unchanged, so that when the surface of the seamless pipe is rough, the surface of the sandpaper can be quickly ground flat, and therefore, a worker is required to change the paper manually frequently.

Disclosure of Invention

The utility model aims to solve the problem that the surface of sandpaper is rapidly ground flat when the surface of a seamless pipe is rough because the position of sandpaper is unchanged in the prior art, and manual frequent paper replacement is needed by workers.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a pipe blank surface polishing equipment is used in production of stainless steel seamless pipe, includes the workstation, fixedly connected with support on the workstation, be provided with the polishing mechanism who goes up and down along its direction of height in the support, polishing mechanism includes the gallows, the gallows internal rotation is connected with a plurality of mounts that set up along the workstation length direction, the mount surface runs through and is provided with the movable frame, all rotate in mount and the movable frame and be connected with the rolling dish, twine on one of them rolling dish and have abrasive paper of polishing, another rolling dish surface and one side fixed connection of abrasive paper of polishing.

Further: and a vertical hydraulic rod is fixedly connected between the center of the top surface of the hanging bracket and the bracket.

Further: one end of the fixing frame penetrates through the hanging frame to extend outwards, a gear in contact with the surface of the hanging frame is fixedly connected with the hanging frame, a strip-shaped rack meshed with a plurality of gears is connected to the hanging frame in a sliding mode, and a bolt in rotary connection with the end face of the strip-shaped rack is connected to the hanging frame in a threaded mode.

Further: and a telescopic rod is fixedly connected between the movable frame and the fixed frame.

Further: the movable frame is provided with a motor for driving the winding disc to rotate.

Further: the fixed frame and the movable frame are respectively connected with a gear connected with the end face of the winding disc in a penetrating and rotating manner, arc racks meshed with the gears are respectively connected with the fixed frame and the movable frame in a sliding manner, and an electric push rod is fixedly connected between the fixed frame and the movable frame and between the fixed frame and the arc racks.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, after the protrusions of the contact surface of the polished sand paper and the seamless pipe are polished, the hydraulic rod is contracted to realize the hanging bracket, the winding disc on the movable frame is driven by the motor to rotate to realize that the polished sand paper 14 area is wound on the winding disc, the surface of the new polished sand paper is moved between the two winding discs, and the polished sand paper is continuously polished along with the surface of the seamless pipe along with the descending of the hanging bracket, namely, in the utility model, the polished sand paper is automatically replaced by rotating the two winding discs.

Drawings

FIG. 1 is a schematic diagram showing a perspective structure of a tube blank surface polishing apparatus for producing a stainless steel seamless tube according to the present utility model;

FIG. 2 is a schematic diagram showing a side view of the surface polishing apparatus of FIG. 1 for producing a tube blank for producing a stainless steel seamless tube according to the present utility model;

fig. 3 is an enlarged view of a portion a in fig. 2 of a tube blank surface polishing apparatus for producing a stainless steel seamless tube according to the present utility model.

Legend description: 1. a work table; 2. a bolt; 3. a bracket; 4. a hydraulic rod; 5. a hanging bracket; 6. an arc-shaped rack; 7. a fixing frame; 8. a reel; 9. a gear; 10. a movable frame; 11. a motor; 12. a telescopic rod; 13. an electric push rod; 14. polishing sand paper; 15. a bar-shaped rack.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

As shown in fig. 1-3, a pipe blank surface polishing device for producing stainless steel seamless pipes comprises a workbench 1, wherein a support 3 is fixedly connected to the workbench 1, a polishing mechanism which ascends and descends along the height direction of the workbench is arranged in the support 3, the polishing mechanism comprises a hanging bracket 5, a plurality of fixing frames 7 which are arranged along the length direction of the workbench 1 are connected in a rotating manner in the hanging bracket 5, movable frames 10 are arranged on the surfaces of the fixing frames 7 in a penetrating manner, rolling discs 8 are respectively connected in the fixing frames 7 and the movable frames 10 in a rotating manner, grinding sand paper 14 is wound on one rolling disc 8, and one side of the grinding sand paper 14 is fixedly connected with the surface of the other rolling disc 8.

In the scheme, the sliding seat for placing the seamless pipe horizontally slides on the workbench 1, the clamping plates driven by the motor are rotationally connected to the two ends of the sliding seat, the seamless pipe is placed in the sliding seat, the two ends of the seamless pipe are clamped by the clamping plates, the seamless pipe is driven to correspondingly rotate by the rotation of the clamping plates, in the sliding process of the sliding seat, the hanging bracket 5 descends to a plurality of sand paper 14 to be attached to the surface of the seamless pipe in a rotating state, further polishing of the surface of the seamless pipe is achieved, after the surface of the sand paper 14 is polished, the hanging bracket 5 ascends, the polished sand paper 14 is rolled onto the rolling disc 8 by rotating one rolling disc 8, the surface of the new sand paper 14 is contacted with the surface of the seamless pipe, and polishing is continued, so that automatic switching of the sand paper 14 is achieved.

Further, as shown in fig. 1: a vertical hydraulic rod 4 is fixedly connected between the center of the top surface of the hanging bracket 5 and the bracket 3, the hydraulic rod 4 is preferably selected from DYTZ/DYTP/DYTF electrohydraulic push rods, the telescopic end of the hydraulic rod 4 stretches out and draws back, and then lifting of the hanging bracket 5 is achieved.

Further, as shown in fig. 1: one end of mount 7 runs through gallows 5 outwards to fixedly connected with and gallows 5 surface contact's gear 9, sliding connection has the bar rack 15 with a plurality of gears 9 meshing on the gallows 5, threaded connection has the bolt 2 of being connected with bar rack 15 terminal surface rotation on the gallows 5, through rotatory bolt 2, realize bar rack 15 slip, and then realize meshing connected gear 9 and drive mount 7 swing, and then guarantee to polish sand paper 14 and seamless pipe and be the incline condition, guarantee promptly that the side of sand paper 14 towards seamless pipe advancing direction does not contact with seamless pipe surface, prevent that the coarse grain on seamless pipe surface from causing sand paper 14 side tearing of polishing.

Further, as shown in fig. 1: the telescopic rod 12 is fixedly connected between the movable frame 10 and the fixed frame 7, the telescopic rod 12 is preferably a DMDT electric push rod, and as shown in fig. 1, a columnar bulge penetrating through the fixed frame 7 is arranged on the movable frame 10, so that the height of the movable frame 10 can be adjusted to be parallel to the surface of the workbench 1 through the telescopic rod 12, and the contact area between the sandpaper 14 and the seamless pipe is ensured to be maximized.

Further, as shown in fig. 1: the movable frame 10 is provided with a motor 11 for driving the winding disc 8 to rotate, and the motor 11 preferably selects a 25AIS integrated low-voltage servo motor.

Further, as shown in fig. 1 and 3: the fixed frame 7 and the movable frame 10 are respectively connected with a gear 9 connected with the end face of the rolling disc 8 in a penetrating and rotating manner, the fixed frame 7 and the movable frame 10 are respectively connected with an arc-shaped rack 6 meshed with the gear 9 in a sliding manner, an electric push rod 13 is fixedly connected between the fixed frame 7 and the movable frame 10 and the arc-shaped rack 6, the electric push rod 13 is preferably selected from feather YH8-524 electric push rods, the arc-shaped rack 6 is meshed with the surface of the gear 9 through the expansion and the contraction of the electric push rod 13, the position of the rolling disc 8 can be ensured to be fixed, the rolling disc 8 is prevented from rotating, and the arc-shaped rack 6 is lifted to be separated from the gear 9, so that when the rolling disc 8 at the corresponding position is driven to rotate through the motor 11, the other rolling disc 8 is driven to rotate.

The working principle is that a seamless pipe is placed on a sliding seat of a workbench 1 and rotates in the sliding seat, the sliding seat moves to drive the rotating seamless pipe to move, a hydraulic rod 4 stretches to enable a hanging bracket 5 to descend to a polishing sand paper 14 to be attached to the surface of the seamless pipe, polishing of the surface of the seamless pipe is achieved, after the surface of the polishing sand paper 14 is polished, the hanging bracket 5 ascends, a winding disc 8 on a movable frame 10 is driven to rotate by a motor 11, the polished area of the polishing sand paper 14 is wound on the winding disc 8, a new polishing sand paper 14 wound on the winding disc 8 on a fixed frame 7 moves between the two winding discs 8, and the surface of the hanging bracket 5 is contacted with the surface of the seamless pipe along with the descent of the hanging bracket 5, so that the surface of the seamless pipe is continuously polished.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. The utility model provides a stainless steel seamless tube production is with tube blank surface polishing equipment which characterized in that: including workstation (1), fixedly connected with support (3) on workstation (1), be provided with the polishing mechanism who goes up and down along its direction of height in support (3), polishing mechanism includes gallows (5), gallows (5) internal rotation is connected with a plurality of mount (7) that set up along workstation (1) length direction, mount (7) surface run through and are provided with fly frame (10), all rotate in mount (7) and fly frame (10) and be connected with rolling dish (8), and it has abrasive paper (14) to wind on one of them rolling dish (8), another rolling dish (8) surface and one side fixed connection of abrasive paper (14) to polish.

2. The apparatus for polishing the surface of a tube blank for producing a stainless steel seamless tube according to claim 1, wherein: a vertical hydraulic rod (4) is fixedly connected between the center of the top surface of the hanging bracket (5) and the bracket (3).

3. The apparatus for polishing the surface of a tube blank for producing a stainless steel seamless tube according to claim 1, wherein: one end of the fixing frame (7) penetrates through the hanging frame (5) to extend outwards, a gear (9) in surface contact with the hanging frame (5) is fixedly connected, a plurality of bar racks (15) meshed with the gears (9) are connected to the hanging frame (5) in a sliding mode, and bolts (2) connected with the end faces of the bar racks (15) in a rotating mode are connected to the hanging frame (5) in a threaded mode.

4. The apparatus for polishing the surface of a tube blank for producing a stainless steel seamless tube according to claim 1, wherein: a telescopic rod (12) is fixedly connected between the movable frame (10) and the fixed frame (7).

5. The apparatus for polishing the surface of a tube blank for producing a stainless steel seamless tube according to claim 1, wherein: the movable frame (10) is provided with a motor (11) for driving the rolling disc (8) to rotate.

6. The apparatus for polishing the surface of a tube blank for producing a stainless steel seamless tube according to claim 1, wherein: the novel winding device is characterized in that gears (9) connected with the end faces of the winding disc (8) are connected to the fixing frame (7) and the movable frame (10) in a penetrating and rotating mode, arc-shaped racks (6) meshed with the gears (9) are connected to the fixing frame (7) and the movable frame (10) in a sliding mode, and electric push rods (13) are fixedly connected between the fixing frame (7) and the movable frame (10) and the arc-shaped racks (6).