CN217890763U

CN217890763U - Clamping device for machining spiral steel pipe

Info

Publication number: CN217890763U
Application number: CN202222087137.8U
Authority: CN
Inventors: 贾建兵; 贾文君
Original assignee: Hubei Star Steel Pipe Industry Co ltd
Current assignee: Hubei Star Steel Pipe Industry Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-25
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a clamping device for spiral steel pipe processing, including a support seat and a first support ring and a second support ring which are fixedly arranged at the two ends of the top of the support seat, the top of the support seat is set to be a cambered surface structure, the bottom of the inner wall of the first support ring and the bottom of the inner wall of the second support ring are both provided with a placing groove, and the placing groove is internally provided with a spiral steel pipe body, the tops of the middle positions at the two sides of the first support ring and the tops of the middle positions at the two sides of the second support ring are both fixed with guide sleeve blocks, and the insides of two adjacent guide sleeve blocks are inserted with a same U-shaped guide frame, and the bottom of the U-shaped guide frame is both fixed with a clamping hoop in an arc shape; the utility model discloses make the centre gripping hoop press and hold at the top of spiral steel pipe body, cooperation antiskid groove comes to carry out automatic centre gripping to spiral steel pipe and handles, forms quick centre gripping operation, replaces artifical manual centre gripping to handle, reduces the work degree.

Description

Clamping device for machining spiral steel pipe

Technical Field

The utility model relates to a spiral steel pipe processing technology field specifically is a clamping device is used in spiral steel pipe processing.

Background

The spiral seam steel pipe is formed by welding a strip steel coil serving as a raw material through a normal-temperature extrusion molding process and an automatic double-wire double-sided submerged arc welding process. The spiral steel pipe sends the strip steel into a pipe welding unit, the strip steel is rolled by a plurality of rollers to form a circular pipe blank with an opening gap, the rolling reduction of the extrusion roller is adjusted to control the gap of a welding seam to be 1-3 mm, and the two ends of the welding seam are flush.

Through retrieval, the steel pipe machining clamping device with the patent publication number of CN214489754U comprises a clamping seat provided with a clamping mechanism, wherein the lower parts of two sides of the clamping seat are rotatably connected with a plurality of telescopic pieces, the bottoms of the telescopic pieces are provided with sliding mechanisms, and the sliding mechanisms are slidably connected on sliding rails arranged on a base; the slide rail includes constant head tank and shift gate. The following disadvantages exist: the clamping process still has manual operation's in-process, does not have automatic centre gripping effect, can't make the steel pipe to the centering state, and the speed of centre gripping is slower moreover, does not have better performance, consequently, needs urgently to design a clamping device for spiral steel pipe processing and solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamping device is used in spiral steel pipe processing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a clamping device is used in spiral steel tube processing, includes supporting seat and fixed mounting at the first lock ring and the second lock ring at supporting seat top both ends, the top of supporting seat sets up to cambered surface structure, the standing groove has all been seted up to the inner wall bottom of first lock ring and the inner wall bottom of second lock ring, and the inside of standing groove is provided with spiral steel pipe body, the both sides intermediate position top of first lock ring and the both sides intermediate position top of second lock ring all are fixed with the guide nest block, and peg graft in the inside of two adjacent guide nest blocks and have same U type guide frame, and the bottom of U type guide frame all is fixed with and is curved centre gripping hoop, and the top of centre gripping hoop is provided with the lifting unit who is used for adjusting its height.

Preferably, lifting unit leads to the groove including seting up the arc at first support ring top and second support ring top, and the equal sliding connection of inner wall that the groove was led to the arc has an arc to impel the piece, and it has buffering subassembly to articulate between the bottom that the arc impeld the piece and the top intermediate position of centre gripping hoop, the tooth's socket that the equidistance distributes is all seted up to the top surface that the arc impeld the piece, and one side of tooth's socket is provided with rotary mechanism.

Preferably, the rotating mechanism comprises mounting plates fixed on one side of the top of the first supporting ring and one side of the top of the second supporting ring, a rotating shaft is rotatably connected between the mounting plates, gears meshed with the tooth grooves are fixed at two ends of the outer wall of the rotating shaft, and a forward and reverse rotating motor for driving the rotating shaft to rotate is fixedly mounted on one side of one of the mounting plates.

Preferably, the guide grooves are formed in the inner walls of the two sides of the arc-shaped through groove, and the guide strips inserted into the guide grooves are fixed to the two sides of the arc-shaped pushing block.

Preferably, the buffering component comprises a buffering frame hinged to the bottom of the arc-shaped pushing block, a buffering plate is inserted into the buffering frame, the bottom of the buffering plate is hinged to the middle position of the top of the clamping hoop, and a plurality of springs are fixed between the top of the buffering plate and the inner wall of the buffering frame.

Preferably, the bottom of the clamping hoop is provided with anti-skidding grooves distributed equidistantly, and the clamping hoop is located right above the spiral steel pipe body.

Preferably, the equal fixed mounting in both sides outer wall intermediate position of supporting seat has the cylinder, and two cylinders are connected in same pneumatic system, and the equal fixed mounting in piston end of cylinder has the grip block that is located spiral steel pipe body both sides.

Compared with the prior art, the beneficial effects of the utility model are that:

in the utility model, as the placing grooves are arranged at the bottoms of the first supporting ring and the second supporting ring and are of arc structures, when the spiral steel pipe body is placed in the whole clamping device, the spiral steel pipe body can be just positioned in the placing grooves and even in the middle of the whole clamping device under the action of self gravity, and is positioned under the clamping hoop, thereby facilitating the subsequent clamping operation;

the utility model discloses in, owing to be provided with lifting unit and rotary mechanism on first support ring and second support ring, so when carrying out the centre gripping to spiral steel pipe body, it is rotatory to utilize positive reverse motor in the rotary mechanism to drive pivot and gear, meshing effect through gear and tooth's socket drives arc propulsion piece and leads to the inslot at the arc and slide, change the vertical angle of buffering subassembly, reduce the height of centre gripping hoop, and make U type guide frame make elevating movement in the guide sleeve piece, make the centre gripping hoop press to hold the top at spiral steel pipe body, cooperation antiskid groove comes to carry out automatic centre gripping to spiral steel pipe and handles, form quick centre gripping operation, replace artifical manual centre gripping to handle, reduce labor intensity, and the effect of spring carries out the buffering processing to the centre gripping dynamics in centre gripping in-process accessible buffering subassembly, avoid spiral steel pipe to be damaged by the centre gripping.

Drawings

Fig. 1 is a schematic view of the overall structure of a clamping device for machining a spiral steel pipe.

Fig. 2 is a schematic view of a supporting seat structure of a clamping device for machining a spiral steel pipe.

Fig. 3 is a schematic view of a placing groove and an arc-shaped through groove of the clamping device for processing the spiral steel pipe.

FIG. 4 is a schematic view showing the structure of a guide groove and a guide sleeve block of a clamping device for machining a spiral steel pipe.

FIG. 5 is a schematic view of the structure of a guide strip and an arc-shaped pushing block of the clamping device for spiral steel pipe processing.

Fig. 6 is a sectional view of a buffer frame of a clamping device for spiral steel pipe processing.

In the figure: 1. a supporting seat; 2. a first support ring; 3. a cylinder; 4. a second support ring; 5. a clamping hoop; 6. a positive and negative rotation motor; 7. a gear; 8. a U-shaped guide frame; 9. a rotating shaft; 10. a clamping plate; 11. a placement groove; 12. an arc-shaped through groove; 13. a tooth socket; 14. a buffer frame; 15. a guide sleeve block; 16. a guide groove; 17. an anti-slip groove; 18. a guide strip; 19. an arc-shaped propelling block; 20. a buffer plate; 21. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Please refer to fig. 1-6, in an embodiment of the present invention, a clamping device for spiral steel pipe processing, includes a supporting seat 1 and a first supporting ring 2 and a second supporting ring 4 fixedly installed at two ends of the top of the supporting seat 1, the top of the supporting seat 1 is set to be a cambered surface structure, a placing groove 11 is both provided at the bottom of the inner wall of the first supporting ring 2 and the bottom of the inner wall of the second supporting ring 4, and the inside of the placing groove 11 is provided with a spiral steel pipe body, the top of the middle positions of two sides of the first supporting ring 2 and the top of the middle positions of two sides of the second supporting ring 4 are both fixed with guide sleeve blocks 15, and the bottom of the same U-shaped guide frame 8,U type guide frame 8 inserted inside two adjacent guide sleeve blocks 15 is both fixed with a clamping hoop 5 which is arc-shaped, the top of the clamping hoop 5 is provided with a lifting assembly for adjusting the height thereof, thereby forming an automatic clamping operation, replacing a manual clamping process, and reducing the labor degree.

Further, elevating assembly leads to groove 12 including seting up the arc at 2 tops of first lock ring and 4 tops of second lock ring, and the equal sliding connection of inner wall that the groove 12 was led to the arc has arc to impel piece 19, and arc impels to articulate between the bottom of piece 19 and the top intermediate position of centre gripping hoop 5 to have buffering subassembly, and the top surface that the arc impeld piece 19 all sets up the tooth's socket 13 that the equidistance distributes, and one side of tooth's socket 13 is provided with rotary mechanism.

Further, the rotating mechanism comprises mounting plates fixed on one side of the top of the first support ring 2 and one side of the top of the second support ring 4, a rotating shaft 9 is rotatably connected between the mounting plates, gears 7 meshed with the tooth grooves 13 are fixed at two ends of the outer wall of the rotating shaft 9, a forward and reverse motor 6 for driving the rotating shaft 9 to rotate is fixedly mounted on one side of one of the mounting plates, the forward and reverse motor 6 in the rotating mechanism is used for driving the rotating shaft 9 and the gears 7 to rotate, the arc pushing block 19 is driven to slide in the arc through groove 12 through the meshing action of the gears 7 and the tooth grooves 13, the vertical angle of the buffer assembly is changed, the height of the clamping hoop 5 is reduced, the U-shaped guide frame 8 is made to move up and down in the guide sleeve block 15, the clamping hoop 5 is pressed on the top of the spiral steel pipe body, and rapid clamping operation is formed.

Furthermore, guide grooves 16 have been all seted up to the both sides inner wall that the groove 12 was led to the arc, and the both sides of arc propulsion block 19 all are fixed with the gib block 18 of pegging graft in guide groove 16, when arc propulsion block 19 slides in the groove 12 is led to the arc for gib block 18 slides in guide groove 16, and stability is kept.

Further, the buffering subassembly is including articulating the buffering frame 14 in the arc propulsion piece 19 bottom, and the inside grafting of buffering frame 14 has buffer board 20, and buffer board 20's bottom is articulated mutually with the top intermediate position of centre gripping hoop 5, is fixed with a plurality of springs 21 between buffer board 20's top and the inner wall of buffering frame 14, and accessible buffering subassembly inner spring 21's effect cushions the processing to the centre gripping dynamics in the centre gripping process, avoids spiral steel pipe to be damaged by the centre gripping.

Furthermore, the bottom of the clamping hoop 5 is provided with anti-skidding grooves 17 which are distributed equidistantly, the clamping hoop 5 is positioned right above the spiral steel pipe body, and the anti-skidding grooves 17 are utilized to increase the friction force during clamping, so that the stability of the spiral steel pipe during machining is kept.

The utility model discloses a theory of operation is: when the spiral steel pipe body is placed in the whole clamping device, the spiral steel pipe body can be just in the middle position of the placing groove 11 and even the whole clamping device under the action of self gravity, the spiral steel pipe body is positioned under the clamping hoop 5, the subsequent clamping operation is convenient, when in clamping, the rotating shaft 9 and the gear 7 are driven to rotate by the forward and backward rotating motor 6 in the rotating mechanism, the arc pushing block 19 is driven to slide in the arc through groove 12 through the meshing action of the gear 7 and the tooth groove 13, the vertical angle of the buffer assembly is changed, the height of the clamping hoop 5 is reduced, the U-shaped guide frame 8 is driven to do lifting motion in the guide sleeve block 15, the clamping hoop 5 is pressed at the top of the spiral steel pipe body, the spiral steel pipe is automatically clamped by matching with the anti-slip groove 17, the quick clamping operation is formed, manual clamping processing is replaced, the labor degree is reduced, the clamping force can be buffered through the action of the spring 21 in the buffer assembly in the clamping process, and the damage to the spiral steel pipe can be avoided.

Example 2

Referring to fig. 1 and 2, what is different from embodiment 1 is that, the cylinders 3 are fixedly installed at the middle positions of the outer walls of the two sides of the supporting seat 1, the two cylinders 3 are connected to the same air pressure system, the clamping plates 10 located at the two sides of the spiral steel pipe body are fixedly installed at the piston ends of the cylinders 3, and the air pressure system is used to adjust the telescopic lengths of the two cylinders 3, so as to adjust the two clamping plates 10 to be attached to the two sides of the spiral steel pipe body, thereby fully maintaining the clamping and stabilizing effect of the whole device on the spiral steel pipe.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention.

Claims

1. The utility model provides a clamping device is used in spiral steel tube processing, includes supporting seat (1) and fixed mounting at first lock ring (2) and second lock ring (4) at supporting seat (1) top both ends, the top of supporting seat (1) sets up to ARC structure, standing groove (11) have all been seted up to the inner wall bottom of first lock ring (2) and the inner wall bottom of second lock ring (4), and the inside of standing groove (11) is provided with spiral steel pipe body, its characterized in that: the top of the middle position of the two sides of the first supporting ring (2) and the top of the middle position of the two sides of the second supporting ring (4) are both fixed with guide sleeve blocks (15), the inside of two adjacent guide sleeve blocks (15) is spliced with a same U-shaped guide frame (8), the bottom of the U-shaped guide frame (8) is both fixed with an arc-shaped clamping hoop (5), and the top of the clamping hoop (5) is provided with a lifting assembly for adjusting the height of the clamping hoop.

2. The clamping device for spiral steel pipe machining according to claim 1, wherein: lifting unit leads to groove (12) including seting up the arc at first retainer ring (2) top and second retainer ring (4) top, and the equal sliding connection of inner wall that the arc leads to groove (12) has arc to impel piece (19), and it has buffering subassembly to articulate between the bottom that the arc impeld piece (19) and the top intermediate position of centre gripping hoop (5), tooth's socket (13) that the equidistance distributes are all seted up to the top surface that the arc impeld piece (19), and one side of tooth's socket (13) is provided with rotary mechanism.

3. The clamping device for spiral steel pipe machining according to claim 2, wherein: the rotating mechanism comprises mounting plates fixed on one side of the top of the first supporting ring (2) and one side of the top of the second supporting ring (4), a rotating shaft (9) is connected between the mounting plates in a rotating mode, gears (7) meshed with tooth grooves (13) are fixed at two ends of the outer wall of the rotating shaft (9), and a forward and reverse rotating motor (6) used for driving the rotating shaft (9) to rotate is fixedly mounted on one side of one of the mounting plates.

4. The clamping device for spiral steel pipe machining according to claim 3, wherein: guide grooves (16) are formed in the inner walls of the two sides of the arc-shaped through groove (12), and guide strips (18) inserted into the guide grooves (16) are fixed to the two sides of the arc-shaped pushing block (19).

5. The clamping device for spiral steel pipe machining according to claim 4, wherein: the buffer assembly comprises a buffer frame (14) hinged to the bottom of the arc-shaped propelling block (19), a buffer plate (20) is inserted into the buffer frame (14), the bottom of the buffer plate (20) is hinged to the middle position of the top of the clamping hoop (5), and a plurality of springs (21) are fixed between the top of the buffer plate (20) and the inner wall of the buffer frame (14).

6. The clamping device for spiral steel pipe machining according to claim 5, wherein: the bottom of the clamping hoop (5) is provided with anti-skidding grooves (17) distributed at equal intervals, and the clamping hoop (5) is positioned right above the spiral steel pipe body.

7. The clamping device for spiral steel pipe machining according to claim 1, wherein: the supporting seat is characterized in that cylinders (3) are fixedly mounted in the middle positions of outer walls of two sides of the supporting seat (1), the two cylinders (3) are connected to the same air pressure system, and clamping plates (10) located on two sides of the spiral steel pipe body are fixedly mounted at piston ends of the cylinders (3).