A spiral steel pipe end grinding device

Abstract

The utility model discloses a spiral steel pipe port grinding device, which relates to the technical field of spiral steel pipe port grinding, and comprises a base, a bearing seat is slidably mounted on the base, a driving assembly is arranged between the bearing seat and the base, and a pair of first hydraulic cylinders are fixedly mounted on the bearing seat. The utility model supports the spiral steel pipe through an arc-shaped support plate, drives the bearing box to move through the driving assembly, so that the bearing column is inserted into the spiral steel pipe, and is suitable for spiral steel pipes of any length. The inner diameter of the spiral steel pipe can be clamped by a clamping device to prevent the spiral steel pipe from being distorted during grinding. The grinding disc is driven by a cylinder to adjust its height, so that the grinding disc can grind spiral steel pipes of any diameter. The spiral steel pipe is indirectly driven to rotate by a third motor, so that the spiral steel pipe is grinded while rotating, so that the spiral steel pipe port is fully grinded.

Description

Technical Field

[0001] The utility model relates to the technical field of spiral steel pipe port grinding, in particular to a spiral steel pipe port grinding device. 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 1-3mm, and the two ends of the weld are flush;

[0003] After the spiral steel pipe is processed, its end needs to be polished to make it flat, which requires polishing equipment. For example, in the utility model patent named "a stainless steel pipe end polishing device" with the publication number CN210307087U, a device is designed, which includes a base required for the device to bear, a positioning column for positioning, and a bearing seat for placement. The upper surface of the base is located on one side of the positioning column and a motor is fixedly installed thereon, and a polishing device with a threaded end is inserted into the interior of the positioning column;

[0004] However, when the existing grinding device carries the spiral steel pipe, the spiral steel pipe is only placed by the bearing seat. The spiral steel pipe cannot be effectively fixed during the grinding process, which makes the spiral steel pipe easily move during the grinding process, thereby reducing the stability of the spiral steel pipe grinding and resulting in a lower finished product rate of the spiral steel pipe port grinding. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a spiral steel pipe port grinding device, which solves the technical problem that the prior grinding device, when carrying the spiral steel pipe, only places the spiral steel pipe through a bearing seat, and the spiral steel pipe cannot be effectively fixed during the grinding process, which causes the spiral steel pipe to easily move in the grinding process, thereby reducing the stability of the spiral steel pipe grinding and resulting in a reduced technical problem in the grinding yield of the spiral steel pipe port.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a spiral steel pipe port grinding device, comprising a base, a bearing seat is slidably mounted on the base, a driving assembly is provided between the bearing seat and the base, a pair of first hydraulic cylinders are fixedly mounted on the bearing seat, a bearing box is fixedly mounted between the telescopic ends of the first hydraulic cylinder, a third motor is fixedly mounted in the bearing box, a bearing column is rotatably mounted on the side wall of the bearing box, the driving end of the third motor passes through the bearing box and is fixedly connected to the bearing column, a clamping assembly is provided between the bearing box and the bearing column, a pair of support rods are fixedly mounted on the base and on one side of the bearing column, arc support plates are fixedly mounted on the support rods, a gantry is fixedly mounted on the base and on one side of the arc support plate, a cylinder is fixedly mounted on the lower wall of the transverse end of the gantry, a grinding motor is fixedly mounted on the telescopic end of the cylinder, and a grinding disc is fixedly mounted on the driving end of the grinding motor.

[0007] Preferably, the driving assembly includes a first motor, which is fixedly mounted on a bearing seat and located between a pair of first hydraulic cylinders, a driving gear is fixedly mounted on a driving end of the first motor, an opening is provided on the bearing seat and below the driving gear, the driving gear passes through the opening, a bearing groove is provided on the base and below the opening, a rack is fixedly mounted in the bearing groove, the driving gear is meshingly connected with the rack, a guide groove is provided on the base and on both sides of the bearing groove, a pair of guide blocks are fixedly mounted on the lower wall of the bearing seat, and the guide blocks are slidably mounted in the guide grooves.

[0008] Preferably, the guide groove is a dovetail groove structure, and the guide block is a dovetail block structure.

[0009] Preferably, the clamping assembly includes a second motor, an inner cavity is opened on the bearing column, the second motor is fixedly mounted on the inner wall of the inner cavity, a first gear is fixedly mounted on the driving end of the second motor, a second gear is rotatably mounted on the other side wall of the inner cavity, the first gear is meshingly connected with the second gear, a plurality of guide openings are opened on the second gear, a plurality of guide grooves are opened on the bearing column, the guide grooves are communicated with the inner cavity, a support rod is inserted in the guide groove, the upper end of the support rod is exposed from the bearing column and a top plate is fixedly mounted thereon, a baffle rod is fixedly mounted on the support rod, the baffle rod passes through the guide groove and is slidably connected with the guide opening.

[0010] Preferably, the number of the guide openings corresponds to the number of the guide grooves.

[0011] Preferably, a mounting groove is provided on the arc-shaped support plate, and a rotating roller is rotatably mounted in the mounting groove.

[0012] Beneficial Effects

[0013] The utility model provides a spiral steel pipe port grinding device, which solves the technical problem that the existing grinding device only places the spiral steel pipe through a bearing seat when carrying the spiral steel pipe, and the spiral steel pipe cannot be effectively fixed during the grinding process, which causes the spiral steel pipe to easily move in the grinding process, thereby reducing the stability of the spiral steel pipe grinding and causing the spiral steel pipe port grinding yield to decrease. The utility model supports the spiral steel pipe through an arc support plate, drives the bearing box to move through a driving component, so that the bearing column is inserted into the spiral steel pipe, and is suitable for spiral steel pipes of any length. The inner diameter of the spiral steel pipe can be clamped by the clamping component to prevent the spiral steel pipe from moving during grinding. The grinding disc is driven by the cylinder to adjust the height, so that the grinding disc can grind the spiral steel pipe of any diameter. The spiral steel pipe is indirectly driven to rotate by a third motor, so that the spiral steel pipe is grinded while rotating, so that the spiral steel pipe port is fully grinded. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of a spiral steel pipe end grinding device described in the utility model.

[0015] Figure 2 It is a side structural schematic diagram of a spiral steel pipe end grinding device described in the utility model.

[0016] Figure 3 This is a schematic diagram of the structure of a clamping component of a spiral steel pipe port grinding device described in the utility model.

[0017] Figure 4 This is a schematic diagram of the structure of an arc-shaped support plate of a spiral steel pipe port grinding device described in the utility model.

[0018] In the figure: 1. base; 2. bearing seat; 3. first hydraulic cylinder; 4. bearing box; 5. bearing column; 6. support rod; 7. arc support plate; 8. gantry; 9. cylinder; 10. grinding motor; 11. grinding disc; 12. first motor; 13. driving gear; 14. rack; 15. guide groove; 16. guide block; 17. third motor; 18. inner cavity; 19. first gear; 20. second gear; 21. guide port; 22. guide groove; 23. support rod; 24. stop rod; 25. rotating roller. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in 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 in 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.

[0020] See also Figure 1-4 The utility model provides a technical solution: a spiral steel pipe port grinding device, comprising a base 1, a bearing seat 2 is slidably mounted on the base 1, a driving assembly is arranged between the bearing seat 2 and the base 1, a pair of first hydraulic cylinders 3 are fixedly mounted on the bearing seat 2, a bearing box 4 is fixedly mounted between the telescopic ends of the first hydraulic cylinder 3, a third motor 17 is fixedly mounted in the bearing box 4, a bearing column 5 is rotatably mounted on the side wall of the bearing box 4, a driving end of the third motor 17 passes through the bearing box 4 and is fixedly connected to the bearing column 5, a clamping assembly is arranged between the bearing box 4 and the bearing column 5, a pair of support rods 6 are fixedly mounted on the base 1 and on one side of the bearing column 5, an arc-shaped support plate 7 is fixedly mounted on the support rods 6, a gantry 8 is fixedly mounted on the base 1 and on one side of the arc-shaped support plate 7, a cylinder 9 is fixedly mounted on the lower wall of the lateral end of the gantry 8, a grinding motor 10 is fixedly mounted on the telescopic end of the cylinder 9, and a grinding disc 11 is fixedly mounted on the driving end of the grinding motor 10;

[0021] Place the spiral steel pipe on the arc-shaped support plate 7 on a pair of support rods 6, start the first hydraulic cylinder 3, so that the first hydraulic cylinder 3 indirectly drives the bearing column 5 to adjust the height, so that the bearing column 5 is located on one side of the spiral steel pipe, and the bearing column 5 is driven to feed into the spiral steel pipe by the driving assembly, and the inner diameter of the spiral steel pipe is clamped by the clamping assembly, and the bearing column 5 is driven to rotate by the third motor 17, so that the spiral steel pipe is rotated, and the height of the grinding disc 11 is indirectly adjusted by the cylinder 9, so that the grinding disc 11 is aligned with the port of the spiral steel pipe, and the grinding motor 10 drives the grinding disc 11 to rotate, so that the grinding disc 11 grinds the port of the spiral steel pipe.

[0022] The present embodiment is further configured as follows: the driving assembly includes a first motor 12, the first motor 12 is fixedly mounted on the bearing seat 2 and is located between a pair of first hydraulic cylinders 3, a driving gear 13 is fixedly mounted on the driving end of the first motor 12, an opening is provided on the bearing seat 2 and below the driving gear 13, the driving gear 13 passes through the opening, a bearing groove is provided on the base 1 and below the opening, a rack 14 is fixedly mounted in the bearing groove, the driving gear 13 is meshedly connected with the rack 14, a guide groove 15 is provided on the base 1 and on both sides of the bearing groove, a pair of guide blocks 16 are fixedly mounted on the lower wall of the bearing seat 2, and the guide blocks 16 are slidably mounted in the guide groove 15;

[0023] Start the first motor 12, and the driving end of the first motor 12 drives the driving gear 13 to rotate. Since the driving gear 13 is meshed and connected with the rack 14, the gear rotates, causing the supporting seat 2 to move. The supporting seat 2 moves along the guide groove 15 under the action of the guide block 16.

[0024] In this embodiment, the guide groove 15 is in a dovetail groove structure, and the guide block 16 is in a dovetail block structure.

[0025] The present embodiment is further configured as follows: the clamping assembly includes a second motor, an inner cavity 18 is provided on the bearing column 5, the second motor is fixedly mounted on the inner wall of the inner cavity 18, a first gear 19 is fixedly mounted on the driving end of the second motor, a second gear 20 is rotatably mounted on the other side wall of the inner cavity 18, the first gear 19 is meshedly connected with the second gear 20, a plurality of guide openings 21 are provided on the second gear 20, a plurality of guide grooves 22 are provided on the bearing column 5, the guide grooves 22 are communicated with the inner cavity 18, a support rod 23 is inserted in the guide groove 22, the upper end of the support rod 23 is exposed on the bearing column 5 and a top plate is fixedly mounted thereon, a blocking rod 24 is fixedly mounted on the support rod 23, the blocking rod 24 passes through the guide groove 22 and is slidably connected with the guide opening 21;

[0026] Start the second motor, and the driving end of the second motor drives the first gear 19 to rotate. Since the first gear 19 is meshed and connected with the second gear 20, the second gear 20 rotates. Since the blocking rod 24 is slidably connected with the guide port 21, when the second gear 20 rotates, the blocking rod 24 is pushed by the guide port 21, so that the blocking rod 24 moves outward along the guide groove 22 at the same time, and then the blocking rod 24 pushes the top plate to clamp the inner wall of the spiral steel pipe.

[0027] This embodiment is further configured such that the number of the guide openings 21 corresponds to the number of the guide grooves 22 .

[0028] This embodiment is further configured such that a mounting groove is provided on the arc-shaped support plate 7, and a rotating roller 25 is rotatably mounted in the mounting groove.

[0029] The detailed connection means are well-known in the art. The following mainly introduces the working principle and process. The specific work is as follows.

[0030] Embodiment: According to the attached drawings of the specification, the spiral steel pipe is placed on the arc-shaped support plate 7 on a pair of support rods 6, the first hydraulic cylinder 3 is started, so that the first hydraulic cylinder 3 indirectly drives the bearing column 5 to adjust the height, so that the bearing column 5 is located on one side of the spiral steel pipe, the first motor 12 is started, and the driving end of the first motor 12 drives the driving gear 13 to rotate. Since the driving gear 13 is meshed and connected with the rack 14, the gear makes the bearing seat 2 move when it rotates. The bearing seat 2 moves along the guide groove 15 path under the action of the guide block 16, and the bearing column 5 is fed into the spiral steel pipe. The second motor is started, and the driving end of the second motor drives the first gear 19 to rotate. The wheel 19 is meshedly connected with the second gear 20, thereby causing the second gear 20 to rotate. Since the baffle rod 24 is slidably connected with the guide port 21, when the second gear 20 rotates, the baffle rod 24 is pushed by the guide port 21, causing the baffle rod 24 to move outward along the guide groove 22 path at the same time, so that the baffle rod 24 pushes the top plate to clamp the inner wall of the spiral steel pipe, and the bearing column 5 is driven to rotate by the third motor 17, thereby causing the spiral steel pipe to rotate. The height of the grinding disc 11 is indirectly adjusted by the cylinder 9, so that the grinding disc 11 is aligned with the end of the spiral steel pipe, and the grinding motor 10 drives the grinding disc 11 to rotate, thereby causing the grinding disc 11 to grind the end of the spiral steel pipe.

[0031] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. A spiral steel pipe end grinding device, comprising a base (1), characterized in that: A bearing seat (2) is slidably mounted on the base (1), a driving assembly is provided between the bearing seat (2) and the base (1), a pair of first hydraulic cylinders (3) are fixedly mounted on the bearing seat (2), a bearing box (4) is fixedly mounted between the telescopic ends of the first hydraulic cylinders (3), a third motor (17) is fixedly mounted in the bearing box (4), a bearing column (5) is rotatably mounted on the side wall surface of the bearing box (4), a driving end of the third motor (17) passes through the bearing box (4) and is fixedly connected to the bearing column (5), and the bearing box (4) A clamping assembly is provided between the base (1) and the bearing column (5); a pair of support rods (6) are fixedly mounted on the base (1) and located on one side of the bearing column (5); arc-shaped support plates (7) are fixedly mounted on the support rods (6); a gantry (8) is fixedly mounted on the base (1) and located on one side of the arc-shaped support plate (7); a cylinder (9) is fixedly mounted on the lower wall surface of the lateral end of the gantry (8); a grinding motor (10) is fixedly mounted on the telescopic end of the cylinder (9); and a grinding disc (11) is fixedly mounted on the driving end of the grinding motor (10).

2. A spiral steel pipe end grinding device according to claim 1, characterized in that The driving assembly comprises a first motor (12), the first motor (12) is fixedly mounted on the bearing seat (2) and located between a pair of first hydraulic cylinders (3), a driving gear (13) is fixedly mounted on the driving end of the first motor (12), an opening is provided on the bearing seat (2) and below the driving gear (13), the driving gear (13) passes through the opening, a bearing groove is provided on the base (1) and below the opening, a rack (14) is fixedly mounted in the bearing groove, the driving gear (13) is meshedly connected with the rack (14), a guide groove (15) is provided on the base (1) and located on both sides of the bearing groove, a pair of guide blocks (16) are fixedly mounted on the lower wall of the bearing seat (2), and the guide blocks (16) are slidably mounted in the guide grooves (15).

3. A spiral steel pipe end grinding device according to claim 2, characterized in that The guide groove (15) is a dovetail groove structure, and the guide block (16) is a dovetail block structure.

4. A spiral steel pipe end grinding device according to claim 1, characterized in that The clamping assembly comprises a second motor, an inner cavity (18) is provided on the bearing column (5), the second motor is fixedly mounted on the inner wall of the inner cavity (18), a first gear (19) is fixedly mounted on the driving end of the second motor, a second gear (20) is rotatably mounted on the other side wall of the inner cavity (18), the first gear (19) is meshingly connected with the second gear (20), a plurality of guide openings (21) are provided on the second gear (20), a plurality of guide grooves (22) are provided on the bearing column (5), the guide grooves (22) are communicated with the inner cavity (18), a support rod (23) is inserted in the guide groove (22), the upper end of the support rod (23) is exposed on the bearing column (5) and a top plate is fixedly mounted thereon, a blocking rod (24) is fixedly mounted on the support rod (23), the blocking rod (24) passes through the guide groove (22) and is slidably connected to the guide opening (21).

5. A spiral steel pipe end grinding device according to claim 4, characterized in that , the number of the guide openings (21) corresponds to the number of the guide grooves (22).

6. A spiral steel pipe end grinding device according to claim 1, characterized in that The arc-shaped support plate (7) is provided with a mounting groove, and a rotating roller (25) is rotatably mounted in the mounting groove.

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