Pipe orifice trimming device for spiral steel pipe production

Abstract

The utility model relates to the technical field of steel pipe processing and production, and provides a pipe orifice trimming device for spiral steel pipe production, which comprises a base, a controller and a trimming mechanism, and is characterized in that a spiral steel pipe is limited and fixed through three groups of limiting components, and one end of the pipe orifice of the spiral steel pipe is tightly attached to one side of a grinding disc; then a threaded rod A and a threaded rod B are screwed respectively, so that the top of a grinding roller A is in contact with the outer side of the pipe orifice, the bottom of a grinding roller B is in contact with the inner wall of the pipe orifice, a grinding motor A and a grinding motor B are started respectively, so that the grinding roller A and the grinding roller B rotate, and then a motor drives a gear to drive the spiral steel pipe to rotate; by means of the technical scheme, the problem that in the prior art, the inner wall, the outer wall and the end of the pipe opening of the spiral steel pipe cannot be ground at the same time, and the pipe opening finishing efficiency is low is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe processing and production, and specifically relates to a pipe mouth trimming device for spiral steel pipe production. Background Art

[0002] The spiral steel pipe is made of steel coils, extruded at room temperature, and welded by automatic double-wire double-sided submerged arc welding. The steel strip is fed into the welding pipe unit, and after multiple roller rolling, the steel strip is gradually rolled up to form a round tube with an open gap. The pressing amount of the extrusion roller is adjusted to control the weld gap to 1 to 3 mm, and the two ends of the weld are flush. The spiral steel pipe often needs to be trimmed during production.

[0003] A patent with patent number CN217255150U discloses a pipe mouth trimming device for spiral steel pipe production, including a machine body, an adjusting mechanism is arranged inside the machine body, a grinding mechanism is arranged on the rear side of the adjusting mechanism, the adjusting mechanism includes a limit block, and there are two limit blocks in total. The outer surfaces of the two limit blocks facing the back are provided with sliding grooves, and the outer surfaces of the two sliding grooves facing the back are fixed with two first electric telescopic rods, one end of the four first electric telescopic rods are respectively fixed to the inner surface walls on both sides of the machine body, and rubber pads are adhered to the outer surfaces of the opposite sides of the two limit blocks.

[0004] However, the pipe mouth trimming device for spiral steel pipe production in the above patent still has certain problems during use. The inner and outer walls of the pipe mouth and the pipe mouth end of the spiral steel pipe cannot be polished at the same time, resulting in low pipe mouth trimming efficiency. Therefore, a pipe mouth trimming device for spiral steel pipe production is proposed. Utility Model Content

[0005] The utility model provides a pipe mouth trimming device for spiral steel pipe production, which solves the problem in the related art that the inner and outer walls of the spiral steel pipe mouth and the pipe mouth end cannot be polished simultaneously, resulting in low pipe mouth trimming efficiency.

[0006] The technical solution of the utility model is as follows:

[0007] A pipe end trimming device for spiral steel pipe production, comprising a base for support and a controller for controlling the device, and also comprising:

[0008] A finishing mechanism, the finishing mechanism includes a grinding disc, a grinding roller A, a grinding roller B and an adjusting component, the grinding disc is connected to the adjusting component, the grinding roller A is arranged on a side of the grinding disc close to the controller, one end of the grinding roller A is in contact with one side of the grinding disc, the other end of the grinding roller A is fixedly connected to the output shaft of the grinding motor A, the grinding roller B passes through one end of the grinding disc and is arranged parallel to the grinding roller A, the grinding roller B is rotatably connected to the grinding disc, the end of the grinding roller B away from the grinding motor A is fixedly connected to the output shaft of the grinding motor B, the adjusting component includes a support plate and a threaded rod A, the grinding motor B is fixedly connected to one side of the support plate, the grinding roller B is rotatably connected to the support plate, and the grinding disc is fixedly connected to one side of the support plate.

[0009] Preferably, a groove is provided on one side of the base close to the grinding disc, the support plate passes through the top of the groove and is slidably connected to the base, the threaded rod A is rotatably connected to the bottom of the support plate, and the other end of the threaded rod A extends into the bottom of the groove and is threadedly connected to the base.

[0010] Preferably, the grinding motor A is fixedly connected to one side of the sliding plate, the bottom of the sliding plate passes through the top of the groove and is slidably connected to the base, the bottom of the sliding plate is rotatably connected to a threaded rod B, the threaded rod B extends into the bottom of the groove and is threadedly connected to the base.

[0011] Preferably, a ring is provided on the side of the grinding disc close to the controller, and three groups of limit assemblies are provided on the ring in a circular array, and the limit assemblies include a limit plate, a stud and a sleeve. The limit plate is arranged in an arc shape, and a non-slip rubber pad is fixedly connected to the inner top. The bottom of the limit plate is rotatably connected to one end of the stud, and the other end of the stud is arranged inside the sleeve and is threadedly connected to the sleeve. The sleeve passes through the middle of the ring and is rotatably connected to the ring.

[0012] Preferably, a rotating ring is fixedly connected to one side of the circular ring, and both sides of the rotating ring are rotatably connected to two fixed plates fixedly connected to the base respectively, and a gear ring is fixedly connected to the side of the circular ring away from the rotating ring, and the gear ring is connected to the driving assembly.

[0013] Preferably, the drive assembly is arranged inside a mounting groove opened on the base, and the drive assembly includes a motor and a gear. The gear is arranged at the bottom of the gear ring and meshingly connected with the gear ring. The motor is fixedly connected to the inner wall of the mounting groove, and one end of the motor output shaft is fixedly connected to the gear.

[0014] The working principle and beneficial effects of the utility model are:

[0015] 1. In the utility model, the spiral steel pipe is limited and fixed by three groups of limit assemblies, and one end of the spiral steel pipe mouth is made to be close to one side of the grinding disc, and then the threaded rod A and the threaded rod B are respectively screwed to make the support plate and the sliding plate move in the vertical direction under the limit of the base until the top of the grinding roller A contacts the outer side of the spiral steel pipe mouth and the bottom of the grinding roller B contacts the inner wall of the spiral steel pipe mouth, and then the grinding motor A and the grinding motor B are respectively started to rotate the grinding roller A and the grinding roller B, and then the motor driving gear drives the spiral steel pipe under the limit of the three groups of limit assemblies connected to the gear ring to rotate, so as to realize the function of the grinding roller A, the grinding roller B and the grinding disc, so as to achieve the purpose of comprehensive grinding and trimming of the spiral steel pipe mouth and improving the steel pipe trimming efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a front view of the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the utility model;

[0020] Figure 4 It is a partial cross-sectional view of the utility model;

[0021] In the figure: 1. base; 2. controller; 3. dressing mechanism; 4. grinding disc; 5. grinding roller A; 6. grinding motor A; 7. grinding roller B; 8. grinding motor B; 9. support plate; 10. threaded rod A; 11. groove; 12. ring; 13. limit plate; 14. stud; 15. sleeve; 16. sliding plate; 17. threaded rod B; 18. rotating ring; 19. fixed plate; 20. gear ring; 21. motor; 22. gear. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1

[0024] like Figure 1~Figure 4As shown, this embodiment provides a pipe end trimming device for spiral steel pipe production, including a base 1 for support and a controller 2 for controlling the device, and also includes:

[0025] The dressing mechanism 3 includes a grinding disc 4, a grinding roller A5, a grinding roller B7 and an adjusting component. The grinding disc 4 is connected to the adjusting component. The grinding roller A5 is arranged on the side of the grinding disc 4 close to the controller 2. One end of the grinding roller A5 is in contact with one side of the grinding disc 4. The other end of the grinding roller A5 is fixedly connected to the output shaft of the grinding motor A6. The grinding roller B7 passes through one end of the grinding disc 4 and is arranged parallel to the grinding roller A5. The grinding roller B7 is rotatably connected to the grinding disc 4. The end of the grinding roller B7 away from the grinding motor A6 is fixedly connected to the output shaft of the grinding motor B8. The adjusting component includes a support plate 9 and a threaded rod A10. The grinding motor B8 is fixedly connected to one side of the support plate 9. The grinding roller B7 is rotatably connected to the support plate 9. The grinding disc 4 is fixedly connected to one side of the support plate 9.

[0026] Preferably, a groove 11 is provided on one side of the base 1 close to the grinding disc 4, the support plate 9 passes through the top of the groove 11 and is slidably connected to the base 1, the threaded rod A10 is rotatably connected to the bottom of the support plate 9, and the other end of the threaded rod A10 extends into the bottom of the groove 11 and is threadedly connected to the base 1. The purpose of this arrangement is to achieve height adjustment of the grinding roller B7 by twisting the threaded rod A10, so as to facilitate grinding and trimming the inner wall of the steel pipe mouth.

[0027] Preferably, the grinding motor A6 is fixedly connected to one side of the sliding plate 16, the bottom of the sliding plate 16 passes through the top of the groove 11 and is slidably connected to the base 1, and the bottom of the sliding plate 16 is rotatably connected to a threaded rod B17, which extends into the bottom of the groove 11 and is threadedly connected to the base 1. The purpose of this arrangement is to achieve height adjustment of the grinding roller A5 by twisting the threaded rod B17, so as to facilitate grinding and trimming the outer wall of the steel pipe mouth.

[0028] Preferably, a ring 12 is provided on one side of the grinding disc 4 close to the controller 2, and three groups of limit assemblies are provided on the ring 12 in a circular array, and the limit assemblies include a limit plate 13, a stud 14 and a sleeve 15. The limit plate 13 is arranged in an arc shape, and a non-slip rubber pad is fixedly connected to the inner top, the bottom of the limit plate 13 is rotatably connected to one end of the stud 14, and the other end of the stud 14 is arranged inside the sleeve 15 and is threadedly connected to the sleeve 15, and the sleeve 15 passes through the middle of the ring 12 and is rotatably connected to the ring 12. The purpose of this arrangement is to realize that by twisting the sleeve 15, the stud 14 drives the limit plate 13 to limit the spiral steel pipe, so as to achieve the purpose of fitting one end of the steel pipe mouth with the grinding disc 4, so as to facilitate the grinding and trimming of the end face of the pipe mouth.

[0029] In this embodiment, the spiral steel pipe is limited and fixed by three sets of limit assemblies, and one end of the spiral steel pipe mouth is tightly attached to one side of the grinding disc 4, and then the threaded rod A10 and the threaded rod B17 are respectively screwed to make the support plate 9 and the sliding plate 16 move in the vertical direction under the limit of the base 1 until the top of the grinding roller A5 contacts the outer side of the spiral steel pipe mouth and the bottom of the grinding roller B7 contacts the inner wall of the spiral steel pipe mouth, and then the grinding motor A6 and the grinding motor B8 are started respectively to rotate the grinding roller A5 and the grinding roller B7, and then the motor 21 drives the gear 22 to drive the spiral steel pipe under the limit of the three sets of limit assemblies connected to the gear ring 20 to rotate, so as to achieve the purpose of comprehensive grinding and trimming of the spiral steel pipe mouth and improving the steel pipe trimming efficiency through the action of the grinding roller A5, the grinding roller B7 and the grinding disc 4.

[0030] Example 2

[0031] like Figure 1~Figure 4 As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment further proposes that a rotating ring 18 is fixedly connected to one side of the circular ring 12, and the two sides of the rotating ring 18 are respectively rotatably connected to two fixed plates 19 fixedly connected to the base 1, and a gear ring 20 is fixedly connected to the side of the circular ring 12 away from the rotating ring 18, and the gear ring 20 is connected to the driving assembly.

[0032] Preferably, the driving assembly is arranged inside the mounting groove opened on the base 1, and the driving assembly includes a motor 21 and a gear 22, the gear 22 is arranged at the bottom of the gear ring 20, and is meshed with the gear ring 20, the motor 21 is fixedly connected to the inner wall of the mounting groove, and one end of the output shaft of the motor 21 is fixedly connected to the gear 22. The purpose of this arrangement is to achieve the purpose of driving the gear 22 to mesh with the gear ring 20 through the motor 21, so as to drive the ring 12 to rotate.

[0033] In this embodiment, the driving assembly drives the spiral steel pipes limited by the three groups of limit assemblies to rotate, so as to facilitate the grinding disc 4 to grind and trim the end surface of the spiral steel pipe.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pipe end trimming device for spiral steel pipe production, comprising a base (1) for supporting and a controller (2) for controlling the device, characterized in that: Also includes: A finishing mechanism (3), the finishing mechanism (3) comprising a grinding disc (4), a grinding roller A (5), a grinding roller B (7) and an adjustment component, the grinding disc (4) being connected to the adjustment component, the grinding roller A (5) being arranged on a side of the grinding disc (4) close to the controller (2), one end of the grinding roller A (5) being in contact with one side of the grinding disc (4), the other end of the grinding roller A (5) being fixedly connected to an output shaft of a grinding motor A (6), the grinding roller B (7) passing through one side of the grinding disc (4) The end of the grinding roller B (7) is arranged parallel to the grinding roller A (5), the grinding roller B (7) is rotatably connected to the grinding disc (4), the end of the grinding roller B (7) away from the grinding motor A (6) is fixedly connected to the output shaft of the grinding motor B (8), the adjustment component comprises a support plate (9) and a threaded rod A (10), the grinding motor B (8) is fixedly connected to one side of the support plate (9), the grinding roller B (7) is rotatably connected to the support plate (9), and the grinding disc (4) is fixedly connected to one side of the support plate (9).

2. A pipe end trimming device for spiral steel pipe production according to claim 1, characterized in that: A groove (11) is formed on one side of the base (1) close to the grinding disc (4); the support plate (9) passes through the top of the groove (11) and is slidably connected to the base (1); the threaded rod A (10) is rotatably connected to the bottom of the support plate (9); the other end of the threaded rod A (10) extends into the bottom of the groove (11) and is threadedly connected to the base (1).

3. A pipe end trimming device for spiral steel pipe production according to claim 1, characterized in that: The grinding motor A (6) is fixedly connected to one side of the sliding plate (16); the bottom of the sliding plate (16) passes through the top of the groove (11) and is slidably connected to the base (1); the bottom of the sliding plate (16) is rotatably connected to a threaded rod B (17); the threaded rod B (17) extends into the bottom of the groove (11) and is threadedly connected to the base (1).

4. A pipe end trimming device for spiral steel pipe production according to claim 1, characterized in that: A circular ring (12) is arranged on one side of the grinding disc (4) close to the controller (2), and three groups of limit assemblies are arranged on the circular ring (12) in a circular array, and the limit assemblies include a limit plate (13), a stud (14) and a sleeve (15). The limit plate (13) is arranged in an arc shape, and a non-slip rubber pad is fixedly connected to the top of the inner part. The bottom of the limit plate (13) is rotatably connected to one end of the stud (14), and the other end of the stud (14) is arranged inside the sleeve (15) and is threadedly connected to the sleeve (15). The sleeve (15) passes through the middle of the circular ring (12) and is rotatably connected to the circular ring (12).

5. A pipe end trimming device for producing spiral steel pipes according to claim 4, characterized in that: A rotating ring (18) is fixedly connected to one side of the circular ring (12), and two sides of the rotating ring (18) are respectively rotatably connected to two fixed plates (19) fixedly connected to the base (1). A gear ring (20) is fixedly connected to the side of the circular ring (12) away from the rotating ring (18), and the gear ring (20) is connected to a driving assembly.

6. A pipe end trimming device for producing spiral steel pipes according to claim 5, characterized in that: The drive assembly is arranged inside a mounting groove opened on the base (1), and comprises a motor (21) and a gear (22), wherein the gear (22) is arranged at the bottom of the gear ring (20) and meshingly connected with the gear ring (20), the motor (21) is fixedly connected to the inner wall of the mounting groove, and one end of the output shaft of the motor (21) is fixedly connected to the gear (22).

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