A clamping and positioning device for the body of a coated composite steel pipe

Abstract

The present invention relates to the technical field of clamping tooling, and specifically to a plastic-coated composite steel pipe body clamping and positioning device, comprising a clamping mechanism and a driving mechanism, wherein the driving mechanism is used to drive the clamping mechanism to clamp the steel pipe to maintain its horizontal position. The plastic-coated steel pipe body clamping and positioning device provided by the invention has a structure in which the pipe is fed from a feed chute to a clamping station, and the clamping mechanism is driven by the driving mechanism to clamp and fix the pipe. Clamping the outer pipe is more convenient to operate than clamping the inner pipe diameter. Furthermore, when the pipe is fed from the feed chute to the clamping station, the falling pipe will directly fall onto the clamping mechanism, causing the vibration to discharge the dust and debris on the pipe from the miscellaneous material plate.

Description

Technical Field

[0001] The present invention relates to the technical field of clamping tooling, and in particular to a clamping and positioning device for a plastic-coated composite steel pipe body. Background Art

[0002] Plastic-coated steel pipe, also known as plastic-coated pipe, steel-plastic composite pipe, or plastic-coated composite steel pipe, is a steel pipe with a plastic anti-corrosion layer welded to the inner surface of the steel pipe (bottom pipe) or to both the inner and outer surfaces through spraying, rolling, dipping, or suction processes. Plastic-coated steel pipe offers excellent corrosion resistance and relatively low frictional resistance. Epoxy resin-coated steel pipe is suitable for conveying media such as water supply and drainage, seawater, warm water, oil, and gas. PVC-coated steel pipe is suitable for conveying media such as drainage, seawater, oil, and gas.

[0003] Publication (Announcement) No.: CN114440006A, Publication (Announcement) Date: 2022-05-06, Disclosed is a pipe retaining clamp having a width direction, a height direction, and a length direction, and comprising: a base; a pair of side portions arranged opposite to each other, the pair of side portions extending upward from the base; a pair of retaining arms, the pair of retaining arms extending inwardly from the pair of side portions and toward the base; a support portion, the two sides of the support portion being connected to the base or the pair of side portions, the support portion being spaced apart from the base and the pair of side portions, the support portion having a working surface, the working surface being arc-shaped and concave toward the base; wherein the support portion is located below the pair of retaining arms, and a clamping space is formed between the pair of retaining arms and the working surface. The pipe retaining clamp provided in this application provides a suitable holding force to limit the movement of the clamped pipe along the axial direction of the pipe.

[0004] Publication (announcement) number: CN103459296A, publication (announcement) date: 2013-12-18, discloses a clamping device for clamping a tubular member (such as a thin-walled pipe or a pile) having a pipe wall and a flange provided at the pipe end, and for lifting the tubular member while clamping the tubular member using the clamping device only at the flange of the tubular member, wherein the clamping device includes: at least two clamping devices for engaging and clamping the flange; and a clamping device frame for fixedly connecting the at least two clamping devices, for maintaining the relative positions of the at least two clamping devices while lifting the tubular member.

[0005] Also included are the two prior arts of the above-mentioned patents. This type of pipeline adopts the method of inner tube expansion to achieve clamping, and this inner tube expansion and clamping method requires increased human intervention, because after the alignment, when it expands to the clamping state, human intervention is required to ensure the smooth implementation of the device. Summary of the Invention

[0006] The purpose of the present invention is to provide a plastic-coated composite steel pipe body clamping and positioning device for solving the above-mentioned problems.

[0007] In order to achieve the above-mentioned purpose, the present invention provides the following technical solution: a plastic-coated composite steel pipe body clamping and positioning device, comprising a clamping mechanism and a driving mechanism, wherein the driving mechanism is used to drive the clamping mechanism to clamp the steel pipe to keep it horizontal.

[0008] Preferably, it further includes a base, wherein columns are provided on the top of the base along the diagonal line, mounting plates are fixedly installed on the tops of the four columns, vertical plates are fixedly installed on the opposite side walls of the mounting plate, and the clamping mechanism is installed on the two vertical plates.

[0009] Preferably, the driving mechanism comprises a telescopic cylinder mounted on a base, an output end of the telescopic cylinder is rotatably provided with a rocker, and the rocker is assembled on the clamping mechanism.

[0010] Preferably, the clamping mechanism includes a shaft symmetrically arranged between the two vertical plates, and the rocker is fixedly connected to one of the shafts;

[0011] The two ends of the shaft rod are respectively fixedly connected with a connecting plate, and the two ends of the two shaft rods are respectively rotatably connected through the two connecting plates to maintain a movable assembly.

[0012] Preferably, the shafts are symmetrically mounted with special-shaped blocks, each of which is an isosceles trapezoidal structure, with its upper base mounted on the shaft;

[0013] It also includes a shell installed on the top of the installation plate and located between the two vertical plates. The side walls on both opposite sides of the shell are each provided with a through groove, and the special-shaped block is located in the through groove.

[0014] Preferably, the discharge port of the shell is equipped with a miscellaneous material plate arranged obliquely downward;

[0015] The feed port of the shell is provided with a material introduction channel.

[0016] Preferably, a mounting seat is provided in the lower bottom of the special-shaped block, a boring is provided on the mounting seat, a guide column is slidably provided in the boring, a sphere is provided at the end of the guide column, and an equidistant spring is provided between the sphere and the mounting seat.

[0017] Preferably, the mounting seat is provided with raised portions on opposite sides, a clamping flap is rotatably provided on the raised portion, a torsion spring is provided between the clamping flap and the raised portion, and the torsion spring is used to keep the clamping surfaces of the two clamping flaps located on the same mounting seat horizontal;

[0018] A bridge seat is provided on the guide slide column, and a connecting rod is movably provided between the bridge seat and the clamping petal;

[0019] The clamping surface of the clamping flap is provided with a hard rubber block.

[0020] Preferably, the included angle of the mounting seat is maintained between 145° and 165°.

[0021] Preferably, the clamping surface of the clamping flap is an inclined surface, and is inclined from both sides toward the center, with an included angle between 175° and 178°.

[0022] In the above-mentioned technical solution, the present invention provides a plastic-coated composite steel pipe body clamping and positioning device, which has the following beneficial effects: the pipe is fed from the feed chute to the clamping station, where it is clamped and secured by a clamping mechanism driven by a drive mechanism. Clamping an outer pipe is more convenient than clamping an inner pipe. Furthermore, when the pipe is fed from the feed chute to the clamping station, the falling pipe directly falls onto the clamping mechanism, causing vibration to discharge dust and debris from the pipe through the material plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments described in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0024] Figure 1 A schematic diagram of the overall structure provided by an embodiment of the present invention;

[0025] Figure 2 A schematic diagram of the rear view angle provided by an embodiment of the present invention;

[0026] Figure 3 A schematic structural diagram of a clamping mechanism provided in an embodiment of the present invention;

[0027] Figure 4 A schematic diagram of a local structure provided by an embodiment of the present invention.

[0028] Description of reference numerals:

[0029] 1. Clamping mechanism; 11. Shaft; 12. Special-shaped block; 13. Connecting plate; 2. Driving mechanism; 21. Telescopic cylinder; 22. Rocker; 3. Base; 31. Column; 32. Mounting plate; 33. Vertical plate; 4. Housing; 41. Through groove; 42. Material plate; 43. Material guide channel; 5. Mounting seat; 51. Protrusion; 52. Clamping petal; 53. Torsion spring; 6. Guide column; 61. Sphere; 62. Bridge seat; 63. Connecting rod; 7. Equidistant spring; 9. Hard rubber block. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0031] like Figure 1-4 As shown, a plastic-coated composite steel pipe body clamping and positioning device includes a clamping mechanism 1 and a driving mechanism 2. The driving mechanism 2 is used to drive the clamping mechanism 1 to clamp the steel pipe to keep it horizontal.

[0032] Specifically, such as Figure 1 As shown, it also includes a base 3, and columns 31 are set on the top of the base 3 along the diagonal line. The tops of the four columns 31 are fixedly installed with mounting plates 32, and the side walls on both sides of the mounting plate 32 are fixedly installed with vertical plates 33. The clamping mechanism 1 is installed on the two vertical plates 33.

[0033] Furthermore, the discharge port of the shell 4 is provided with a miscellaneous material plate 42 arranged obliquely downward; the feed port of the shell 4 is provided with a material guide channel 43.

[0034] Furthermore, the clamping mechanism 1 in the above embodiment can be a clamping member that is kept moving in the same direction by the driving mechanism 2; or a clamping member that is driven by the driving mechanism 2 so that one end of the clamping member serves as a rotating shaft and the other end is closed to clamp; or any other mechanism with a clamping function known to those skilled in the art can be used.

[0035] The driving mechanism 2 may be a driving motor, a hydraulic telescopic rod, or any other driving source known to those skilled in the art.

[0036] In the above embodiment, the pipe is fed from the feed chute 43 to the clamping station, where it is clamped and secured by the clamping mechanism 1 under the drive mechanism 2. Clamping an outer pipe is more convenient than clamping an inner pipe. Furthermore, when the pipe is fed from the feed chute 43 to the clamping station, the falling pipe falls directly onto the clamping mechanism 1, vibrating the pipe and discharging dust from the pipe through the material plate 42.

[0037] As an embodiment further provided by the present invention, Figure 2 As shown, the driving mechanism 2 includes a telescopic cylinder 21 mounted on the base 3 , and a rocker 22 is rotatably provided at the output end of the telescopic cylinder 21 , and the rocker 22 is assembled on the clamping mechanism 1 .

[0038] The clamping mechanism 1 further comprises shafts 11 symmetrically arranged between two vertical plates 33 , and a rocker 22 is fixedly connected to one of the shafts 11 ;

[0039] The two ends of the shaft rod 11 are respectively fixedly connected with the connecting plates 13 , and the two ends of the two shaft rods 11 are respectively rotatably connected through the two connecting plates 13 to maintain a movable assembly.

[0040] Specifically, in the above embodiment, because the rocker 22 is fixedly connected to the shaft 11, when the telescopic cylinder 21 actively extends and retracts, it drives one shaft 11 to rotate by a predetermined angle. Simultaneously, when the shaft 11 rotates, the other shaft 11 rotates synchronously by a predetermined angle, coordinated by the two connecting plates 13. The two shafts 11 rotate in opposite directions, thereby driving the clamping mechanism 1 to clamp the tube.

[0041] As another embodiment further provided by the present invention, Figure 2 As shown, the shaft 11 is symmetrically mounted with a special-shaped block 12, which is an isosceles trapezoidal structure, and its upper base is mounted on the shaft 11;

[0042] The housing 4 is mounted on the top of the mounting plate 32 and located between the two vertical plates 33 . The housing 4 has through grooves 41 on both opposite side walls, and the special-shaped blocks 12 are located in the through grooves 41 .

[0043] Specifically, in the above-described embodiment, when the pipe is fed from the feed chute 43 to the clamping station, the falling pipe will directly land on the shaped block 12, thereby stopping. When the telescopic cylinder 21 actively extends and retracts, it drives one of the shafts 11 to rotate by a predetermined angle. Simultaneously, when the shaft 11 rotates, the other shaft 11 rotates synchronously by a predetermined angle, coordinated by the two connecting plates 13. The two shafts 11 rotate in opposite directions. This drives the clamping mechanism 1 to clamp the pipe, so that the lower bases of the two shaped blocks 12 face the axis of the housing 4, thereby effectively clamping the pipe.

[0044] As another embodiment further provided by the present invention, Figure 2 As shown, a mounting seat 5 is provided in the lower bottom of the special-shaped block 12, a boring is opened on the mounting seat 5, a guide slide 6 is slidably provided in the boring, a sphere 61 is provided at the end of the guide slide 6, and an equidistant spring 7 is provided between the sphere 61 and the mounting seat 5.

[0045] Furthermore, the mounting seat 5 is provided with raised portions 51 on opposite sides, and a clamping flap 52 is rotatably provided on the raised portion 51. A torsion spring 53 is provided between the clamping flap 52 and the raised portion 51. The torsion spring 53 is used to keep the clamping surfaces of the two clamping flaps 52 on the same mounting seat 5 horizontal.

[0046] A bridge seat 62 is provided on the guide slide column 6, and a connecting rod 63 is movably provided between the bridge seat 62 and the clamping petal 52;

[0047] The clamping surface of the clamping flap 52 is provided with a hard rubber block 9 .

[0048] Furthermore, the included angle of the mounting base 5 is maintained between 145° and 165°.

[0049] Furthermore, the clamping surface of the clamping flap 52 is an inclined surface, and is inclined from both sides toward the center, with an included angle between 175° and 178°.

[0050] Specifically, in the above embodiment, when the pipe is fed from the feed chute 43 to the clamping station, the falling pipe will directly land on the shaped block 12, thereby stopping. When the telescopic cylinder 21 actively extends and retracts, it drives one of the shafts 11 to rotate by a predetermined angle. Simultaneously, when the shaft 11 rotates, the other shaft 11 rotates synchronously by a predetermined angle, coordinated by the two connecting plates 13. The two shafts 11 rotate in opposite directions. This drives the clamping mechanism 1 to clamp the pipe body, so that the lower bases of the two shaped blocks 12 face the axis of the housing 4.

[0051] When it is clamping, the ball 61 is pushed by the pipe toward the side of the mounting seat 5, and at the same time the guide column 6 moves down, and the connecting rod 63 is pulled so that the clamping petals 52 on both sides are Figure 4 The state shown in FIG. 1 is achieved, thereby clamping the tube body.

[0052] Working principle:

[0053] When the pipe is fed from the feed chute 43 to the clamping station, the falling pipe will directly fall onto the special-shaped block 12, and the vibration will cause the ash and dust on the pipe to be discharged from the miscellaneous material plate 42.

[0054] When the telescopic cylinder 21 is actively extended and retracted, it will drive one of the shafts 11 to rotate at a predetermined angle. At the same time, when the shaft 11 rotates, the other shaft 11 will rotate synchronously at a predetermined angle with the cooperation of the two connecting plates 13, and the two shafts 11 rotate in opposite directions. This drives the clamping mechanism 1 to clamp the pipe body, so that the bottom of the two special-shaped blocks 12 is facing the axis of the shell 4. The sphere 61 will be pushed by the pipe to move closer to the side of the mounting seat 5, and at the same time, the guide column 6 moves downward, and the connecting rod 63 is pulled so that the clamping petals 52 on both sides are Figure 4 The state shown in FIG. 1 is achieved, thereby clamping the tube body.

[0055] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims.

Claims

1. A clamping and positioning device for a plastic-coated composite steel pipe, characterized in that: It includes a clamping mechanism and a driving mechanism, wherein the driving mechanism is used to drive the clamping mechanism to clamp the steel pipe to keep it horizontal; It also includes a base, wherein the top of the base is provided with columns along the diagonal line, the tops of the four columns are fixedly mounted with mounting plates, the side walls on opposite sides of the mounting plate are fixedly mounted with vertical plates, and the clamping mechanism is mounted on two of the vertical plates; The driving mechanism includes a telescopic cylinder mounted on a base, the output end of the telescopic cylinder is rotatably provided with a rocker, and the rocker is assembled on the clamping mechanism; The clamping mechanism includes a shaft symmetrically arranged between the two vertical plates, and the rocker is fixedly connected to one of the shafts; The shafts are symmetrically mounted with special-shaped blocks, each of which is an isosceles trapezoidal structure, with its upper base mounted on the shaft; It also includes a shell installed on the top of the mounting plate and located between the two vertical plates, wherein the side walls on opposite sides of the shell are provided with through grooves, and the special-shaped blocks are located in the through grooves; A mounting seat is provided in the lower bottom of the special-shaped block, a boring is provided on the mounting seat, a guide column is slidably provided in the boring, a ball is provided at the end of the guide column, and an equidistant spring is provided between the ball and the mounting seat; The mounting seat is provided with raised portions on opposite sides, and clamping petals are rotatably provided on the raised portions. A torsion spring is provided between the clamping petals and the raised portions, and the torsion spring is used to keep the clamping surfaces of the two clamping petals located on the same mounting seat horizontal; A bridge seat is provided on the guide slide column, and a connecting rod is movably provided between the bridge seat and the clamping petal; The clamping surface of the clamping flap is provided with a hard rubber block.

2. The plastic-coated composite steel pipe body clamping and positioning device according to claim 1, characterized in that: The two ends of the shaft rod are respectively fixedly connected with a connecting plate, and the two ends of the two shaft rods are respectively rotatably connected through the two connecting plates to maintain a movable assembly.

3. The clamping and positioning device for a plastic-coated composite steel pipe according to claim 1, characterized in that: The discharge port of the shell is equipped with a miscellaneous material plate arranged obliquely downward; The feed port of the shell is provided with a material introduction channel.

4. The clamping and positioning device for a plastic-coated composite steel pipe according to claim 1, characterized in that: The included angle of the mounting seat is maintained between 145° and 165°.

5. The clamping and positioning device for a plastic-coated composite steel pipe according to claim 1, characterized in that: The clamping surfaces of the clamping flaps are inclined surfaces, and are inclined from both sides toward the center, with an included angle between 175° and 178°.

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