Clamp for pipeline machining

Abstract

The utility model relates to and provides a pipeline machining clamp which comprises a supporting plate and further comprises a shell, a clamping piece and a driving piece, and the upper end of the supporting plate is fixedly connected with the shell; clamping pieces are arrayed on the peripheral wall of the shell on the left side of the supporting plate, each clamping piece comprises a threaded cylinder, a screw rod and a top plate, a round hole is formed in the shell, the inner end of each threaded cylinder extends into the corresponding round hole and is rotationally connected with the inner wall of the outer end of the corresponding round hole, the threaded cylinders are internally in threaded connection with the screw rods, and the top plates located in the shell are fixed to the inner ends of the screw rods; a sliding hole penetrating through the left end and the right end of the screw is formed in the screw, a limiting rod is arranged at the inner end of the round hole and penetrates through the sliding hole, and the two ends of the limiting rod penetrate out of the sliding hole to be fixedly connected with the peripheral wall of the inner end of the round hole. A bevel gear is fixedly arranged outside each threaded cylinder located outside the shell in a sleeving mode. The bevel gears on the multiple clamping pieces are jointly connected with a driving piece. The pipeline machining clamp solves the problem that an existing pipeline machining clamp cannot be suitable for pipelines with different diameters.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline production, in particular to a clamp for pipeline processing. Background Art

[0002] Pipe processing refers to cutting, welding and other processing techniques of pipes according to design requirements to produce pipes that meet engineering needs. Pipe processing fixtures are tools used to fix and clamp pipes. During the pipe processing process, the use of fixtures can ensure the fixed position of the pipes and prevent them from moving or deforming during the processing, thereby improving processing accuracy and efficiency.

[0003] The existing pipe processing fixture has a relatively simple structure and function. The existing pipe processing fixture is not easy to adjust and cannot adapt to pipes of different diameters, resulting in a narrow scope of use. Summary of the invention

[0004] The utility model provides a pipeline processing clamp to solve the problem that the existing pipeline processing clamp cannot be applied to pipelines with different diameters, and can improve the application range of the pipeline processing clamp.

[0005] In order to solve the above problems, the technical solution of the utility model is:

[0006] A pipe processing clamp comprises a support plate, a shell, a clamping member and a driving member, wherein the upper end of the support plate is fixedly connected to the shell; a clamping member is arrayed on the circumferential wall of the shell on the left side of the support plate, and the clamping member comprises a threaded barrel, a screw and a top plate, the shell is provided with a circular hole, the inner end of the threaded barrel extends into the circular hole and is rotatably connected to the inner wall of the outer end of the circular hole, the inner thread of the threaded barrel is connected to a screw, the inner end of the screw is fixed with a top plate located in the shell, the screw is provided with a sliding hole passing through the left and right ends of the screw, the inner end of the circular hole is provided with a limiting rod, the limiting rod is installed in the sliding hole, and both ends respectively pass through the sliding hole and are fixedly connected to the circumferential wall of the inner end of the circular hole; a bevel gear is sleeved and fixed on the outside of each threaded barrel located outside the shell; the bevel gears on multiple clamping members are commonly connected to a driving member, and the driving member drives the screws on multiple clamping members to synchronously approach or move away from the central axis of the shell.

[0007] Furthermore, the top plate is an arc-shaped plate body protruding toward the inner wall of the shell, the circular ring where the top plate is located is coaxial with the shell, and an elastic sheet is fixed on the side of the top plate facing the central axis of the shell.

[0008] Furthermore, the diameter of the bevel gear at one end facing the housing is smaller than the diameter of the other end.

[0009] Furthermore, the driving member includes a rotating ring and teeth. The rotating ring is rotatably connected to the outside of the shell on the left side of the multiple clamping members. The right end of the rotating ring is connected to a connecting plate. The connecting plate is a truncated cone-shaped plate with a larger left end and a smaller right end. The connecting plate is slidably sleeved on the outside of the shell through a through hole opened in the middle, and the left end is fixedly connected to the right end of the rotating ring. Teeth are arrayed on the outer ring surface of the connecting plate, and the teeth on the left end of each bevel gear engage with the teeth on the connecting plate.

[0010] Furthermore, a grip rod is arrayed on the outer ring surface of the rotating ring, an annular groove is provided on the inner ring surface of the rotating ring, the opening of the annular groove faces the outer wall of the shell, a clamping rod is fixed on the peripheral wall of the shell, one end of the clamping rod extends into the annular groove and is in sliding contact with the annular groove, and the other end of the clamping rod is fixedly connected to the peripheral wall of the shell.

[0011] Furthermore, a limiting bolt is threadedly connected to the peripheral wall of the rotating ring, and the free end of the limiting bolt is pressed against the outside of the shell.

[0012] Through the above technical solution, the beneficial effects of the utility model are:

[0013] The utility model can drive the threaded barrels on the multiple clamping parts to rotate synchronously by rotating the rotating ring after loosening the limit bolt. When the multiple threaded barrels rotate synchronously, the multiple screw rods can be driven to move with the top plate toward the central axis of the shell until the pipe in the shell is clamped. In addition, the moving distance of the multiple screw rods toward the central axis of the shell can be controlled, so that pipes with different diameters can be clamped, and the utility model has a wide range of uses.

[0014] The utility model can clamp pipes with different diameters only by rotating the rotating ring, and can release the clamping of the pipes by rotating the rotating ring in the opposite direction, and is easy to use.

[0015] After the utility model completes the clamping of the pipeline, the limiting bolt is tightened to complete the limiting of the rotating ring, thereby preventing the rotating ring from rotating after the pipeline is clamped by multiple clamping members. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a left side view of the utility model;

[0018] Figure 3 It is a sectional front view of the connection between the housing, the clamping member and the driving member of the utility model;

[0019] Figure 4 yes Figure 3 A partial enlarged view of point A in the middle.

[0020] The numbers in the accompanying drawings are: 1, support plate, 2, shell, 3, threaded barrel, 4, screw, 5, top plate, 6, round hole, 7, sliding hole, 8, limit rod, 9, bevel gear, 10, elastic sheet, 11, bearing, 12, rotating ring, 13, connecting plate, 14, teeth, 15, grip rod, 16, annular groove, 17, clamping rod, 18, limit bolt. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0022] like Figure 1 to Figure 4 As shown, a pipe processing fixture includes a support plate 1, which is a vertically arranged rectangular plate, and also includes a shell 2, a clamping member and a driving member. The upper end of the support plate 1 is fixedly connected to the shell 2, and the shell 2 is a horizontally arranged cylinder with openings at both ends; a clamping member is arrayed on the peripheral wall of the shell 2 on the left side of the support plate 1, and the clamping member includes a threaded barrel 3, a screw 4 and a top plate 5. A circular hole 6 is provided on the shell 2, and the circular hole 6 passes through the inner and outer walls of the shell 2, and the inner end faces the central axis of the shell 2. The inner end of the threaded barrel 3 extends into the circular hole 6 and is rotatably connected to the inner wall of the outer end of the circular hole 6 through a bearing 11. The inner thread of the threaded barrel 3 is connected with a screw 4, a top plate 5 located in the shell is fixed to the inner end of the screw rod, a sliding hole 7 penetrating the left and right ends of the screw rod 4 is provided on the screw rod 4, the sliding hole 7 is a strip hole arranged along the length direction of the screw rod 4, a limiting rod 8 is provided at the inner end of the circular hole 6, the limiting rod 8 is installed in the sliding hole 7, and the two ends of the limiting rod 8 are respectively passed through the sliding hole 7 and fixedly connected to the inner end peripheral wall of the circular hole 6, the limiting rod 8 is a rectangular rod in sliding contact with the sliding hole 7; a bevel gear 9 is fixedly mounted on the outside of each threaded barrel 3 located outside the shell 2; the bevel gears 9 on the multiple clamping members are commonly connected to a driving member arranged on the shell 2, and the driving member drives the screw rods 4 on the multiple clamping members to synchronously approach or move away from the central axis of the shell 2.

[0023] The top plate 5 is an arc-shaped plate body protruding toward the inner wall of the shell 2. The circular ring where the top plate 5 is located is coaxial with the shell 2. An elastic sheet 10 is fixed on the side of the top plate 5 facing the central axis of the shell 2. The elastic sheet 10 is a sheet-like body made of elastic rubber.

[0024] The diameter of one end of the bevel gear 9 facing the housing 2 is smaller than the diameter of the other end.

[0025] The driving member includes a rotating ring 12 and teeth 14. The rotating ring 12 is a circular ring body with an inner diameter corresponding to the outer diameter of the shell 2. The rotating ring 12 is rotatably connected to the outside of the shell 2 on the left side of the multiple clamps. The inner wall of the rotating ring 12 slides in contact with the outer wall of the shell 2. The right end of the rotating ring 12 is connected to a connecting plate 13. The connecting plate 13 is a truncated cone-shaped plate with a larger left end and a smaller right end. The connecting plate 13 is slidably sleeved on the outside of the shell 2 through a through hole opened in the middle, and the left end is fixedly connected to the right end of the rotating ring 12. The outer ring surface of the connecting plate 13 is arrayed with teeth 14, and the left end of each bevel gear 9 is meshed with the teeth 14 on the connecting plate.

[0026] A gripping rod 15 is arrayed on the outer ring surface of the rotating ring 12, and an annular groove 16 is provided on the inner ring surface of the rotating ring 12. The opening of the annular groove 16 faces the outer wall of the shell 2. A clamping rod 17 is fixed on the peripheral wall of the shell 2. The clamping rod 17 is a round rod. One end of the clamping rod 17 extends into the annular groove 16 and is in sliding contact with the annular groove 16. The other end of the clamping rod 17 is fixedly connected to the peripheral wall of the shell 2.

[0027] A limiting bolt 18 is threadedly connected to the peripheral wall of the rotating ring 12 , and the free end of the limiting bolt 18 presses against the outer wall of the housing 2 .

[0028] When in use, loosen the limit bolt 18 so that the free end of the limit bolt 18 is no longer pressed against the outer wall of the housing 2, insert the pipe to be clamped into the housing 2 and between the top plates 5 on the multiple clamping parts, hold any grip 15, and rotate the rotating ring 12. When the rotating ring 12 rotates, it drives the connecting plate 13 to rotate. When the connecting plate 13 rotates, the multiple teeth 14 mesh with the multiple bevel gears 9 to rotate, and the multiple threaded cylinders 3 rotate synchronously with the connected bevel gears 9. Since the screw rod 4 is threadedly connected to the corresponding threaded cylinder 3 and the sliding hole 7 on the screw rod 4 A limit rod 8 is installed inside, so the screw 4 cannot rotate. When the threaded barrel 3 rotates, it can only drive the inner end of the corresponding screw 4 to move toward the central axis of the shell 2 until the elastic sheets 10 on the multiple top plates 5 press against the pipe in the shell 2 to complete the clamping of the pipe. The limit bolt 18 is tightened, and the free end of the limit bolt 18 presses against the shell 2. After the multiple clamping members clamp the pipe, the rotation of the rotating ring 12 can be prevented, and the distance that the screw 4 moves toward the central axis of the shell 2 can be controlled, so that pipes of different diameters can be clamped;

[0029] When the clamping of the pipe needs to be released, the limiting bolt 18 is loosened and the rotating ring 12 is rotated in the opposite direction, so that the multiple screw rods 4 can be driven to drive the top plate 5 to move away from the central axis of the shell 2.

[0030] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments. Without violating the spirit of the present invention, that is, the disclosure scope, any multiple equivalent or equivalent deformations or replacements of the technical solutions of the utility model shall fall within the protection scope of the present invention.

Claims

1. A pipe processing fixture, comprising a support plate (1), characterized in that: The invention also comprises a shell (2), a clamping member and a driving member, wherein the upper end of the support plate (1) is fixedly connected to the shell (2); a clamping member is arranged on the peripheral wall of the shell (2) on the left side of the support plate (1); the clamping member comprises a threaded barrel (3), a screw rod (4) and a top plate (5); a circular hole (6) is provided on the shell (2); the inner end of the threaded barrel (3) extends into the circular hole (6) and is rotatably connected to the inner wall of the outer end of the circular hole (6); the inner thread of the threaded barrel (3) is connected to the screw rod (4); the inner end of the screw rod is fixed to the top plate (5) located in the shell 5), the screw rod (4) is provided with a sliding hole (7) penetrating the left and right ends of the screw rod (4), the inner end of the circular hole (6) is provided with a limit rod (8), the limit rod (8) is installed in the sliding hole (7), and the two ends of the limit rod (8) respectively pass through the sliding hole (7) to be fixedly connected to the inner end peripheral wall of the circular hole (6); each threaded cylinder (3) located outside the shell (2) is sleeved and fixed with a bevel gear (9); the bevel gears (9) on the multiple clamping members are commonly connected to a driving member, and the driving member drives the screw rods (4) on the multiple clamping members to synchronously approach or move away from the central axis of the shell (2).

2. A pipe processing fixture according to claim 1, characterized in that: The top plate (5) is an arc-shaped plate body protruding toward the inner wall of the shell (2); the circular ring on which the top plate (5) is located is coaxial with the shell (2); and an elastic sheet (10) is fixed to the side of the top plate (5) facing the central axis of the shell (2).

3. A pipe processing fixture according to claim 1, characterized in that: The diameter of one end of the bevel gear (9) facing the housing (2) is smaller than the diameter of the other end.

4. A pipe processing fixture according to claim 3, characterized in that: The driving member comprises a rotating ring (12) and teeth (14); the rotating ring (12) is rotatably connected to the outside of the housing (2) on the left side of the plurality of clamping members; the right end of the rotating ring (12) is connected to a connecting plate (13); the connecting plate (13) is a truncated cone-shaped plate body with a larger left end and a smaller right end; the connecting plate (13) is slidably sleeved on the outside of the housing (2) through a through hole opened in the middle, and the left end is fixedly connected to the right end of the rotating ring (12); the outer ring surface of the connecting plate (13) is provided with teeth (14) in an array, and the left end of each bevel gear (9) meshes with the teeth (14) on the connecting plate.

5. A pipe processing fixture according to claim 4, characterized in that: A gripping rod (15) is arrayed on the outer ring surface of the rotating ring (12), and an annular groove (16) is provided on the inner ring surface of the rotating ring (12). The opening of the annular groove (16) faces the outer wall of the shell (2). A clamping rod (17) is fixed on the peripheral wall of the shell (2). One end of the clamping rod (17) extends into the annular groove (16) and is in sliding contact with the annular groove (16), and the other end of the clamping rod (17) is fixedly connected to the peripheral wall of the shell (2).

6. A pipe processing fixture according to claim 4, characterized in that: A limit bolt (18) is threadedly connected to the peripheral wall of the rotating ring (12), and the free end of the limit bolt (18) is pressed against the outer wall of the housing (2).

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