CN211708998U

CN211708998U - Steel pipe straightening and polishing equipment

Info

Publication number: CN211708998U
Application number: CN202020222039.9U
Authority: CN
Inventors: 马俊军; 袁文弟
Original assignee: Tianjin Tianyi Steel Co ltd
Current assignee: Tianjin Tianyi Steel Co ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-10-20
Anticipated expiration: 2030-02-26

Abstract

The utility model discloses a steel pipe straightening and polishing device, which comprises a base, wherein a straightening device and a polishing device are arranged on the base; the straightening device comprises a straightening box fixed on a base, wherein a feed inlet and a discharge outlet are respectively formed in two opposite side walls of the straightening box, a plurality of lower straightening rollers arranged in parallel are rotatably arranged on the inner bottom wall of the straightening box, a plurality of upper straightening rollers arranged in parallel are arranged on the inner top wall of the straightening box in a lifting mode, the upper straightening rollers and the lower straightening rollers are tightly matched, and a plurality of conveying motors are fixedly arranged on the base; the polishing device comprises an annular plate which is rotatably arranged on one side, close to the discharge port, of the straightening box, one side, far away from the straightening box, of the annular plate is rotatably provided with an upper polishing plate and a lower polishing plate which correspond up and down, a pressing rod is rotatably arranged on the annular plate, and a polishing motor is fixedly arranged on the base. The utility model discloses can straighten the steel pipe and polish the steel pipe after straightening handles, have straightening effectual, the good characteristics of product surface property.

Description

Steel pipe straightening and polishing equipment

Technical Field

The utility model relates to a steel pipe straightening equipment technical field especially relates to a steel pipe aligning polishing equipment.

Background

Steel pipes are a class of steel with a length much greater than the diameter or perimeter, and are widely used in fluid transport and building construction. The steel pipe is affected by the heat of welding seams, the eccentric force or the unbalanced bending force during rolling and the like in the production process, so that the internal stress of the steel pipe is unbalanced, the steel pipe is bent, the linear deviation degree of the steel pipe is affected, and the quality of the steel pipe is reduced.

In order to solve the above problems, chinese patent No. CN107088593B proposes a steel tube straightening machine, which includes a support, wherein the support is provided with a conveying device, a blanking device, a first straightening device arranged at one end of the conveying device along the conveying direction of the steel tube, and a second straightening device connected end to end with the first straightening device.

In the technical scheme, the steel pipe can be straightened by the first straightening device and the second straightening device, but in actual production, the outer wall of the steel pipe needs to be polished after straightening for the steel pipe with higher production requirement so as to improve the surface performance of the steel pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steel pipe aligning polishing equipment can carry out the aligning to the steel pipe and polish the steel pipe after aligning, has aligning effectual, the good characteristics of product surface property.

The utility model discloses a can realize through following technical scheme:

a steel pipe straightening and polishing device comprises a base, wherein a straightening device and a polishing device positioned on one side of the straightening device are arranged on the base; the straightening device comprises a straightening box fixed on the base, a feed inlet and a discharge outlet are respectively formed in two opposite side walls of the straightening box, a plurality of lower straightening rollers arranged in parallel are rotatably arranged on the inner bottom wall of the straightening box, a plurality of upper straightening rollers arranged in parallel are arranged on the inner top wall of the straightening box in a lifting mode, the upper straightening rollers and the lower straightening rollers are tightly matched, and a plurality of conveying motors respectively driving the lower straightening rollers to synchronously rotate are fixedly arranged on the base; the polishing device comprises a ring-shaped plate which is rotatably arranged on one side of the discharge port and close to the straightening box, one side of the ring-shaped plate, which is far away from the straightening box, is rotatably provided with an upper polishing plate and a lower polishing plate which correspond up and down, the ring-shaped plate is rotatably provided with a driving rod, the upper polishing plate and the lower polishing plate are matched with a pressing rod for clamping a steel pipe, and the base is fixedly provided with a polishing motor for driving the ring-shaped plate to rotate.

By adopting the technical scheme, the steel pipe is fed into the straightening box through the feeding hole, the height of the upper straightening roller is adjusted to enable the upper straightening roller and the lower straightening roller to be matched with each other to tightly press the steel pipe, the lower straightening roller rotates under the action of the conveying motor, the upper straightening roller and the lower straightening roller straighten the steel pipe while conveying the steel pipe to one side close to the discharging hole, the straightened steel pipe penetrates through the annular plate, the pressing rod is pressed downwards, and the upper polishing plate and the lower polishing plate clamp the steel pipe and rotate around the outer periphery of the steel pipe to polish the steel pipe under the action of the polishing motor. In the utility model, the upper straightening roll, the lower straightening roll and the conveying motor are matched, so that the steel pipe is quickly straightened while being conveyed; in addition, the upper polishing plate and the lower polishing plate are matched to polish the outer wall of the steel pipe, so that the surface performance of the steel pipe is improved. The utility model discloses can straighten the steel pipe and polish the steel pipe after straightening handles, have straightening effectual, the good characteristics of product surface property.

Further setting the following steps: the utility model discloses a polishing device, including lower polishing board, depression bar, quarter butt, upper polishing board, lower polishing board, quarter butt, upper polishing board, lower polishing board, the depression bar is located the below of lower polishing board, the one end of depression bar articulates there is the quarter butt, lower polishing board is kept away from the one end of quarter butt rotate set up in on the annular slab, lower polishing board is close to the one end of quarter butt with the quarter butt articulates the connection, the depression bar is kept away from one side of quarter butt articulates there is the stock, the upper polishing board is.

Through adopting above-mentioned technical scheme, push down the depression bar, the quarter butt promotes down polishes the board rebound, and the stock pulling is gone up and is polished the board rebound to make and polish board and polish the board cooperation down and press from both sides tight steel pipe, be convenient for follow-up polishing treatment to the steel pipe.

Further setting the following steps: the lower end face of the upper polishing plate and the upper end face of the lower polishing plate are both fixed with arc-shaped polishing pads, and the two arc-shaped polishing pads are arranged in a vertically corresponding mode.

Through adopting above-mentioned technical scheme, the area of contact of polishing board and lower polishing board and steel pipe can be increased in setting up of arc polishing pad to improve the polishing efficiency to steel pipe periphery side.

Further setting the following steps: one side of the pressure lever, which is far away from the short lever, is provided with a positioning hole, the annular plate is provided with a plurality of pin holes corresponding to the positioning holes, and the positioning holes and the corresponding pin holes are penetrated by positioning bolts.

By adopting the technical scheme, the pin holes correspond to different positioning holes, and the distance between the upper polishing plate and the lower polishing plate can be adjusted, so that the upper polishing plate and the lower polishing plate are suitable for polishing treatment of steel pipes with different pipe diameters. The position of the pressure rod can be fastened by the positioning bolt, so that the pressure rod can keep relatively fixed in position in the rotating process of the annular plate.

Further setting the following steps: an outer gear ring is fixed on the outer peripheral side of the annular plate, a driving gear is coaxially fixed on a rotating shaft of the polishing motor, and the outer gear ring is meshed with the driving gear.

Through adopting above-mentioned technical scheme, under the polishing motor effect, the rotation of driving gear drives the rotation of outer ring gear to make polishing plate and lower polishing plate disturb the rotation of steel pipe periphery side, can improve the polishing efficiency to steel pipe periphery side.

Further setting the following steps: the upper straightening roll is rotatably arranged between two vertically arranged screws, screw threads penetrate through the top wall of the straightening box, and a fixing nut is sleeved on one side of the screw, which is far away from the upper straightening roll, of the screw threads.

By adopting the technical scheme, the distance between the upper straightening roll and the lower straightening roll can be conveniently changed by adjusting the length of the screw rod extending into the straightening box, so that the upper straightening roll and the lower straightening roll are suitable for straightening treatment of steel pipes with different pipe diameters.

Further setting the following steps: and a blowing cylinder is fixed on one side of the inner top wall of the straightening box, which is close to the annular plate, and the blowing cylinder is arranged towards the steel pipe.

By adopting the technical scheme, the blowing cylinder can remove the scraps generated in the straightening process and adhered to the outer wall of the steel pipe, and the scratches generated on the outer wall of the steel pipe due to the adhesion of the scraps in the subsequent polishing process are reduced.

To sum up, the utility model discloses a beneficial technological effect does:

(1) through the arrangement of the upper straightening roller, the lower straightening roller and the conveying motor, the steel pipe can be quickly straightened while being conveyed;

(2) the outer wall of the steel pipe can be polished by arranging the upper polishing plate and the lower polishing plate;

(3) through the arrangement of the annular plate and the polishing motor, the upper polishing plate and the lower polishing plate can rotate around the periphery of the steel pipe, so that the polishing efficiency of the steel pipe is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of the present invention (mainly showing the blow cylinder, the upper straightening roll and the lower straightening roll);

FIG. 3 is a side view of the second embodiment of the present invention (showing mainly the annular plate, the upper polishing plate and the lower polishing plate);

fig. 4 is a schematic view of the connection relationship between the middle pressing rod and the annular plate according to the present invention.

Reference numerals: 1. a base; 2. a straightening box; 3. a feed inlet; 4. a discharge port; 5. a lower straightening roll; 6. an upper straightening roll; 7. a conveying motor; 8. an annular plate; 9. polishing the plate; 10. a lower polishing plate; 11. a pressure lever; 12. polishing the motor; 13. a short bar; 14. a long rod; 15. an arcuate polishing pad; 16. positioning holes; 17. a pin hole; 18. positioning the bolt; 19. an outer ring gear; 20. a driving gear; 21. a screw; 22. fixing a nut; 23. an air blowing cylinder.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, for the utility model discloses a steel pipe aligning polishing equipment, including base 1, base 1 up end is provided with straightener and is located the burnishing device of straightener one side.

Referring to fig. 1 and 2, the straightening device comprises a straightening box 2 fixed on a base 1, wherein the upper end surface of the straightening box is in a cuboid shape, two opposite side walls of the straightening box 2 are respectively provided with a feeding hole 3 and a discharging hole 4, and the feeding hole 3 and the discharging hole 4 are both arranged along the central axis direction of the straightening box 2. A plurality of lower straightening rollers 5 are rotatably arranged on the inner bottom wall of the straightening box 2, the lower straightening rollers 5 can adopt hyperbolic rollers, the number of the lower straightening rollers 5 is preferably three, and the lower straightening rollers 5 are arranged in parallel. The inner top wall of the straightening box 2 is provided with a plurality of upper straightening rollers 6 in a lifting mode, the upper straightening rollers 6 can adopt hyperbolic rollers, the number of the upper straightening rollers 6 is preferably three, the upper straightening rollers 6 are arranged in parallel, and the upper straightening rollers 6 are in compression fit with the lower straightening rollers 5. The lifting of the upper straightening roll 6 in the straightening box 2 is realized by the following settings: go up straightener roll 6 and rotate and set up between two screw rods 21, the equal vertical setting of a plurality of screw rods 21 and wear to establish the roof of straightening case 2, one side thread bush that straightener roll 6 was kept away from to screw rod 21 is equipped with fixation nut 22. The distance between the upper straightening roll 6 and the lower straightening roll 5 can be changed by adjusting the length of the screw 21 extending into the straightening box 2, so that the upper straightening roll 6 and the lower straightening roll 5 are suitable for clamping and straightening treatment of steel pipes with different pipe diameters. A plurality of conveying motors 7 are fixedly arranged on the base 1, the conveying motors 7 correspond to the lower straightening rollers 5 one by one, and the conveying motors 7 are in transmission connection with the lower straightening rollers 5 through couplers.

One end of a steel pipe extends into the straightening box 2 through the feeding hole 3, the length of the screw 21 extending into the straightening box 2 is adjusted, so that the upper straightening roller 6 and the lower straightening roller 5 are matched to compress the steel pipe, under the action of the conveying motor 7, the lower straightening roller 5 rotates to be matched with the upper straightening roller 6 by virtue of friction force to drive the steel pipe to rotate towards the side close to the discharging hole 4, and the upper straightening roller 6 and the lower straightening roller 5 carry out straightening treatment on the steel pipe while conveying the steel pipe. The straightened steel pipe is moved out of the straightening box 2 from one side of the discharge port 4.

Referring to fig. 1 and 3, the polishing apparatus includes an annular plate 8 rotatably disposed at one side of the straightening tank 2, the annular plate 8 being disposed near the discharge port 4 and coaxially with the discharge port 4, and the area of the hollow portion of the annular plate 8 being larger than the area of the discharge port 4. One side of the annular plate 8, which is far away from the straightening box 2, is rotatably provided with an upper polishing plate 9 and a lower polishing plate 10 which correspond up and down, and the upper polishing plate 9 and the lower polishing plate 10 clamp the steel pipe and then rotate around the periphery of the steel pipe to polish the steel pipe. Referring to fig. 4, the clamping of the steel pipe by the upper polishing plate 9 and the lower polishing plate 10 is realized by the following arrangement: the annular plate 8 is rotatably provided with a pressure lever 11, the pressure lever 11 is positioned below the lower polishing plate 10, and the connecting position of the pressure lever 11 and the annular plate 8 is positioned right below the central position of the annular plate 8. The connecting position of the pressure lever 11 and the annular plate 8 divides the pressure lever 11 into two parts, one part is longer, and the other part is shorter. The end part of the shorter part of the compression rod 11 is hinged with a short rod 13, one end, far away from the short rod 13, of the lower polishing plate 10 is rotatably arranged on the annular plate 8, and one end, close to the short rod 13, of the lower polishing plate 10 is hinged with one end, far away from the compression rod 11, of the short rod 13. The middle part of the longer part of the pressure rod 11 is hinged with a long rod 14, one end of the upper polishing plate 9, which is far away from the long rod 14, is rotatably arranged on the annular plate 8, and one end of the upper polishing plate 9, which is close to the long rod 14, is hinged with one end of the long rod 14, which is far away from the pressure rod 11. Pressing the compression bar 11 downwards, the short bar 13 pushes the lower polishing plate 10 upwards to rotate towards the side close to the upper polishing plate 9, and the long bar 14 pulls the upper polishing plate 9 downwards to rotate towards the side close to the lower polishing plate 10, so that the upper polishing plate 9 and the lower polishing plate 10 are matched to clamp a steel pipe.

Referring to fig. 3 and 4, a positioning hole 16 is formed in one side of the pressure lever 11 away from the short lever 13, a plurality of pin holes 17 corresponding to the positioning hole 16 are formed in the annular plate 8, and a positioning bolt 18 is inserted into the positioning hole 16. The pressing rod 11 is pressed downwards, so that the upper polishing plate 9 and the lower polishing plate 10 clamp the steel pipe tightly, and the positioning bolt 18 penetrates through the positioning hole 16 and the pin hole 17 corresponding to the positioning hole 16, so that the position of the pressing rod 11 can be fixed. The positioning holes 16 correspond to different pin holes 17, and the distance between the upper polishing plate 9 and the lower polishing plate 10 can be changed, so that the upper polishing plate 9 and the lower polishing plate 10 are suitable for clamping steel pipes with different pipe diameters. The rotation of the upper polishing plate 9 and the lower polishing plate 10 around the outer peripheral side of the steel pipe is achieved by the following arrangement: a polishing motor 12 is fixed on the base 1, an outer gear ring 19 is fixed on the outer peripheral side of the annular plate 8, a driving gear 20 is coaxially fixed on a rotating shaft of the polishing motor 12, and the outer gear ring 19 is meshed with the driving gear 20. Under the action of the polishing motor 12, the rotation of the driving gear 20 drives the rotation of the outer gear ring 19, so that the annular plate 8 rotates around the outer periphery of the steel pipe, and the upper polishing plate 9 and the lower polishing plate 10 clamping the outer wall of the steel pipe rotate around the outer periphery of the steel pipe, so that the outer wall of the steel pipe is polished.

The lower end face of the upper polishing plate 9 and the upper end face of the lower polishing plate 10 are both fixed with arc-shaped polishing pads 15, the arc-shaped polishing pads 15 can be made of brown corundum abrasive materials, and the two arc-shaped polishing pads 15 correspond to each other up and down. The contact area of the upper polishing plate 9, the lower polishing plate 10 and the outer wall of the steel pipe can be increased by the arrangement of the arc-shaped polishing pad 15, so that the friction force between the upper polishing plate 9, the lower polishing plate 10 and the steel pipe can be increased, and the polishing efficiency of the upper polishing plate 9 and the lower polishing plate 10 on the outer wall of the steel pipe can be improved.

Referring to fig. 2, a blowing cylinder 23 is fixed to the inner top wall of the straightening box 2 on the side close to the annular plate 8, and the blowing cylinder 23 is disposed toward the steel pipe. When the upper straightening roller 6 and the lower straightening roller 5 straighten the steel pipe, scraped scraps can be adhered to the outer wall of the steel pipe, the blowing cylinder 23 can remove the scraps adhered to the outer wall of the steel pipe, and scratches generated by the scraps in friction on the outer wall of the steel pipe when the upper polishing plate 9 and the lower polishing plate 10 clamp the steel pipe to polish the steel pipe are reduced.

The utility model discloses a theory of operation and beneficial effect do:

one end of a steel pipe extends into the straightening box 2 through the feed inlet 3, the length of the adjusting screw 21 extending into the straightening box 2 enables the upper straightening roller 6 and the lower straightening roller 5 to be matched with and clamp the steel pipe, under the action of the conveying motor 7, the upper straightening roller 6 and the lower straightening roller 5 straighten the steel pipe while conveying the steel pipe, the air blowing cylinder 23 removes scraps on the surface of the steel pipe, the straightened steel pipe moves out of the straightening box 2 through the discharge port 4, the lower pressing rod 11 enables the upper polishing plate 9 and the lower polishing plate 10 to clamp the steel pipe, the positioning bolt 18 penetrates through the positioning hole 16 and the corresponding pin hole 17 to fix the position of the pressing rod 11, and under the action of the polishing motor 12, the rotation of the annular plate 8 enables the upper polishing plate 9 and the lower polishing plate 10 to rotate around the outer periphery of the steel pipe to polish the outer wall of the steel pipe. The arrangement of the upper straightening roll 6, the lower straightening roll 5 and the conveying motor 7 in the utility model can carry out straightening treatment on the steel pipe while conveying the steel pipe; the arrangement of the upper polishing plate 9 and the lower polishing plate 10 can carry out polishing treatment on the peripheral side of the steel pipe; in addition, the arrangement of the annular plate 8 and the polishing motor 12 can improve the polishing efficiency of the outer wall of the steel pipe. The utility model discloses can straighten the steel pipe and polish the steel pipe after straightening handles, have straightening effectual, the good characteristics of product surface property.

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The steel pipe straightening and polishing equipment is characterized in that: the polishing device comprises a base (1), wherein a straightening device and a polishing device positioned on one side of the straightening device are arranged on the base (1);

the straightening device comprises a straightening box (2) fixed on the base (1), a feed inlet (3) and a discharge outlet (4) are respectively formed in two opposite side walls of the straightening box (2), a plurality of lower straightening rollers (5) arranged in parallel are rotatably arranged on the inner bottom wall of the straightening box (2), a plurality of upper straightening rollers (6) arranged in parallel are arranged on the inner top wall of the straightening box (2) in a lifting mode, the upper straightening rollers (6) are in compression fit with the lower straightening rollers (5), and a plurality of conveying motors (7) respectively driving the lower straightening rollers (5) to synchronously rotate are fixedly arranged on the base (1);

burnishing device including rotate set up in straightening case (2) are close to annular plate (8) of discharge gate (4) one side, annular plate (8) are kept away from one side of straightening case (2) is rotated and is provided with last polishing board (9) and lower polishing board (10) that correspond from top to bottom, it is provided with the drive to rotate on annular plate (8) go up polishing board (9) with lower polishing board (10) cooperation presss from both sides depression bar (11) of pressing from both sides tight steel pipe, the drive has set firmly on base (1) annular plate (8) pivoted polishing motor (12).

2. The steel pipe straightening and polishing device according to claim 1, characterized in that: depression bar (11) are located polish the below of board (10) down, the one end of depression bar (11) articulates there is quarter butt (13), polish board (10) keep away from down the one end of quarter butt (13) rotate set up in on annular plate (8), polish board (10) down and be close to the one end of quarter butt (13) with quarter butt (13) articulate the connection, depression bar (11) are kept away from one side of quarter butt (13) articulates there is stock (14), it keeps away from to go up polish board (9) the one end of stock (14) rotate set up in on annular plate (8), it is close to go up polish board (9) the one end of stock (14) with stock (14) articulate the connection.

3. The steel pipe straightening and polishing device according to claim 2, characterized in that: arc-shaped polishing pads (15) are fixed on the lower end face of the upper polishing plate (9) and the upper end face of the lower polishing plate (10), and the two arc-shaped polishing pads (15) are arranged in a vertically corresponding mode.

4. The steel pipe straightening and polishing device according to claim 3, characterized in that: one side of the pressure lever (11) far away from the short lever (13) is provided with a positioning hole (16), the annular plate (8) is provided with a plurality of pin holes (17) corresponding to the positioning hole (16), and the positioning hole (16) and the corresponding pin hole (17) are provided with a positioning bolt (18) in a penetrating way.

5. The steel pipe straightening and polishing device according to claim 4, characterized in that: an outer gear ring (19) is fixed on the outer peripheral side of the annular plate (8), a driving gear (20) is coaxially fixed on a rotating shaft of the polishing motor (12), and the outer gear ring (19) is meshed with the driving gear (20).

6. The steel pipe straightening and polishing device according to claim 1, characterized in that: go up straightener roll (6) and rotate and set up between two vertical screw rods (21) that set up, screw rod (21) screw thread wears to establish the roof of straightening case (2), screw rod (21) keep away from one side thread bush of going up straightener roll (6) is equipped with fixation nut (22).

7. The steel pipe straightening and polishing device according to claim 1, characterized in that: and a blowing cylinder (23) is fixed on one side of the inner top wall of the straightening box (2) close to the annular plate (8), and the blowing cylinder (23) is arranged towards the steel pipe.