CN221231360U - Automatic bending device for pipeline - Google Patents

Abstract

The utility model discloses an automatic pipe bending device, which comprises a machine body platform, wherein a first clamping device for clamping a pipe is arranged on the machine body platform, one end of the first clamping device is provided with a rotating device, and the other end of the first clamping device is provided with a pushing device; the rotating device comprises a motor, a rotating main shaft, a rotating base and a turntable, wherein the motor drives the rotating main shaft to rotate when working, and drives the rotating base and the turntable to synchronously rotate when the rotating main shaft rotates; the upper end surface of the rotating base is provided with a second clamping device, the second clamping device comprises a second cylinder and a second clamping block, and the second cylinder controls the second clamping block to be close to the turntable when in work; the first clamping device comprises a first clamping block and a positioning block, the positioning block is arranged adjacent to the turntable, and the first clamping block and the second clamping block are arranged side by side and are arranged adjacent to each other; according to the utility model, the pipeline is clamped by the clamping device and then bent by the rotating device, so that the automatic degree is high and reliable, the bending effect of the pipeline is good, and the bending efficiency is high.

Description

Automatic bending device for pipeline

Technical Field

The utility model belongs to the technical field of pipeline bending devices, and particularly relates to an automatic pipeline bending device.

Background

The display frame is usually formed by mutually splicing a plurality of hollow pipelines, so that the display frame assembly is convenient. Because the shape of the display rack is various, the positions where some pipelines are connected with each other are provided with radians, and thus, the vertical pipelines are required to be bent. At present, a positioning tool is commonly used for manually bending a hollow pipeline in the market, and the wall thickness of a bending position of a steel pipe is easily uneven due to uneven control of manual bending force, so that the quality of a product is influenced. When manual bending, the steel pipe slides relative to the positioning tool easily, so that the bending position of the steel pipe is shifted, and the bending precision is lower. Accordingly, there is a need to design an automatic pipe bending device that overcomes the above difficulties.

Disclosure of Invention

The utility model aims at the problems in the prior art, and designs an automatic bending device for a pipeline.

The utility model aims at realizing the following technical scheme: the automatic pipeline bending device comprises a machine body platform, wherein a first clamping device for clamping a pipeline is arranged on the machine body platform, one end of the first clamping device is provided with a rotating device, and the other end of the first clamping device is provided with a pushing device for pushing the pipeline to the rotating device; the rotating device comprises a motor, a rotating main shaft, a rotating base and a turntable, wherein the motor drives the rotating main shaft to rotate when working, and drives the rotating base and the turntable to synchronously rotate when the rotating main shaft rotates; the upper end surface of the rotating base is provided with a second clamping device, the second clamping device comprises a second cylinder and a second clamping block, and the second cylinder controls the second clamping block to be close to the turntable when in operation; the first clamping device comprises a first clamping block and a positioning block, wherein the positioning block is arranged adjacent to the turntable, and the first clamping block and the second clamping block are arranged side by side and are arranged adjacent to each other.

Preferably, mounting plates arranged in pairs are arranged on the side surfaces of the machine body platform, and the rotating device is arranged on the mounting plates; the rotating device further comprises a first gear, a second gear, a mounting bearing, a first clamp spring, a second clamp spring, a third clamp spring and a fourth clamp spring, and clamping grooves for mounting the first clamp spring, the second clamp spring, the third clamp spring and the fourth clamp spring are formed in the rotating main shaft; the rotary main shaft is arranged on the mounting plate through a mounting bearing, the rotary main shaft is in spline connection with the turntable, and the rotary base is also in spline connection with the rotary main shaft; the lower end face of the rotary table is provided with a first clamp spring, the tail end of the rotary main shaft is provided with a fourth clamp spring, and the fourth clamp spring is arranged with a mounting plate close to the lower part of the rotary base; the upper end face of the rotating base is provided with a second clamp spring, and the lower end face of the rotating base is provided with a third clamp spring; when the motor works, the first gear and the second gear synchronously drive the rotary main shaft to rotate.

The rotary main shaft is arranged on the mounting plate through the mounting bearing, and the turntable is in spline connection with the rotary main shaft, so that the turntable can synchronously rotate with the rotary main shaft; the rotating base is in spline connection with the rotating main shaft, so that the rotating base and the rotating main shaft can synchronously rotate; the rotary main shaft is limited by the second clamp spring and the fourth clamp spring, so that the rotary main shaft cannot move up and down relative to the mounting plate; the rotating base is limited by the second clamp spring and the third clamp spring, so that the rotating base cannot axially move relative to the rotating main shaft; when the motor works, the rotary main shaft is driven to rotate, and the rotary main shaft rotates to drive the turntable and the second clamping block to synchronously rotate, so that the pipeline is bent.

Preferably, the top of the rotary main shaft is provided with an annular bulge, the upper end face of the rotary table is attached to the annular bulge, and the lower end face of the rotary table is attached to the first clamp spring; a mounting plate is arranged between the top plate of the rotating base and the bottom plate of the rotating base, a first gasket is arranged between the top plate of the rotating base and the mounting plate, a second gasket is arranged between the bottom plate of the rotating base and the mounting plate, and the first gasket and the second gasket are sleeved on the outer layer of the rotating main shaft and are attached to the mounting bearing; the upper end face of the fourth clamp spring is provided with a third gasket, the third gasket is mutually attached to the mounting plate arranged below the rotating base, and the fourth clamp spring is mutually attached to the third gasket.

Through annular bulge and first jump ring spacing, carousel relative rotation main shaft can not axial displacement like this, carousel and rotatory main shaft pivoted process are more stable. Through set up first packing ring and second packing ring between rotating base and mounting panel, the unable radial movement of rotating base relative mounting panel like this, rotating base pivoted process is more stable, and bending effect is better like this.

Preferably, the motor is arranged on the side wall of the machine body platform, a first gear is arranged on an output shaft of the motor, a second gear connected with the rotating main shaft through a spline is arranged on the rotating main shaft, and the first gear and the second gear are meshed with each other.

Preferably, the second clamping device further comprises a sliding block and a fastening piece, wherein the sliding block is arranged on the rotating base, and the fastening piece for fixing the second clamping block and the sliding block is arranged between the second clamping block and the sliding block; the second cylinder is installed on the rotating base, the piston shaft of the second cylinder is fixedly connected with the sliding block, and the sliding block is pushed to be close to the turntable when the second cylinder works.

The second cylinder pushes the sliding block to move relative to the rotating base during working, and drives the second clamping block to move during moving, so that the pipeline is clamped when the second clamping block is close to the turntable.

Preferably, a columnar positioning part is arranged at the edge of the turntable, a first arc-shaped groove is arranged on the columnar positioning part, a second arc-shaped groove is arranged on the second clamping block, and the outline of the first arc-shaped groove and the outline of the second arc-shaped groove are matched with the outline of the pipeline; the side face of the columnar positioning part and the side face of the second clamping block are mutually parallel when the rotating base is mutually attached to the side wall of the machine body platform.

The pipeline is sent into the columnar positioning portion through the pushing device, and under the initial state, the first arc-shaped groove on the columnar positioning portion and the second arc-shaped groove on the second clamping block are coaxial with the pipeline, so that the pipeline can conveniently extend into the columnar positioning portion, and the pipeline can conveniently be positioned at the position needing bending. Marking is done in advance on the position that needs to be bent on the pipeline, and the position that needs to be bent of the pipeline is pushed to between the positioning block and the second clamping block through the pushing device, so that the pipeline can be accurately bent.

Preferably, the rotating base is provided with a guide groove, and a sliding block is arranged in the guide groove; the two sides of the sliding block are provided with columnar bulges, the side wall of the guide groove is provided with a limit groove, and the limit groove is internally provided with the columnar bulges.

The guide groove is formed in the rotating base fan, so that the sliding block can only move along the direction of the guide groove; limiting grooves are formed in the guide grooves, so that the sliding block moving process is more stable, and the pipeline clamping effect is better.

Preferably, the first clamping device further comprises a first air cylinder, and a guide rail for installing a first clamping block is arranged on the machine body platform; the guide rails are arranged in pairs, and the axial direction of the rotating base and the guide rails are mutually parallel when the rotating base and the machine body platform are mutually attached; the axial direction of the guide rail is perpendicular to the pushing device; the piston shaft of the first cylinder is fixedly arranged on the first clamping block, and the first clamping block and the positioning block are arranged in parallel.

The first cylinder pushes the first clamping block to move along the guide rail when working, so that the first clamping block is close to the positioning block, and the pipeline can be stably clamped.

Preferably, the pushing device comprises a third cylinder, a push rod and a placing block; the push rod is inserted on the placement block, and the placement block and the third cylinder are fixedly arranged on the machine body platform; the piston shaft of the third cylinder is connected with a push rod, and the push rod and a groove for placing a product on the positioning block are coaxially arranged; the end of the push rod, which is close to the positioning block, is provided with an outer convex disc, the outer convex disc is mutually attached to the tail end of the pipeline when the pipeline is sleeved and installed on the push rod, and the outer diameter of the outer convex disc is larger than that of the pipeline.

The pipeline to be bent is sleeved and arranged on the push rod, the tail end of the pipeline is mutually attached to the outer convex disc, and then the third cylinder works to push the push rod to be close to the positioning block, so that the push rod can drive the pipeline to move towards the rotating device.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the first clamping device and the second clamping device are arranged on the machine body platform, so that the pipeline to be bent can be conveniently fixed, and the bending process is safer and more reliable. The pushing device automatically pushes the pipeline, so that the accurate positioning of the bent part of the pipeline is facilitated, the bending effect is better, and the bending size is more accurate. Meanwhile, a rotating device is arranged on the side surface of the machine body platform and comprises a turntable, a rotating main shaft and a rotating base, and a second clamping device is arranged on the rotating base; the rotating main shaft drives the turntable and the rotating base to synchronously rotate, and the second clamping device always clamps the pipeline when the rotating base rotates, so that the pipeline bending process is more stable, and the bending precision is high.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a state diagram of the present utility model;

FIG. 3 is an internal block diagram of the present utility model;

FIG. 4 is an exploded view of the rotary device;

Fig. 5 is an exploded view of the present utility model.

The marks in the figure: 1. a fuselage platform; 2. a first clamping device; 21. a first clamping block; 22. a positioning block; 23. a first cylinder; 3. a rotating device; 31. a motor; 32. rotating the main shaft; 33. a rotating base; 34. a turntable; 35. a first gear; 36. a second gear; 37. mounting a bearing; 38. a first clamp spring; 39. a second clamp spring; 310. a third clamp spring; 311. a fourth clamp spring; 312. a clamping groove; 313. an annular protrusion; 314. a first gasket; 315. a second gasket; 316. a third gasket; 4. a pushing device; 41. a third cylinder; 42. a push rod; 43. placing a block; 44. a convex disc; 5. a second clamping device; 51. a second cylinder; 52. a second clamping block; 53. a slide block; 54. a fastener; 55. columnar bulges; 6. a mounting plate; 7. a columnar positioning portion; 8. a first arcuate recess; 9. a second arcuate recess; 10. a guide groove; 11. a limit groove; 12. and a guide rail.

Detailed Description

The utility model is further described below with reference to embodiments shown in the drawings in which:

As shown in fig. 1 to 5, the embodiment discloses an automatic pipe bending device, which comprises a machine body platform 1, wherein a first clamping device 2 for clamping a pipe is arranged on the machine body platform 1, one end of the first clamping device 2 is provided with a rotating device 3, and the other end of the first clamping device 2 is provided with a pushing device 4 for pushing the pipe to the rotating device 3; the rotating device 3 comprises a motor 31, a rotating main shaft 32, a rotating base 33 and a turntable 34, wherein the motor 31 drives the rotating main shaft 32 to rotate when working, and drives the rotating base 33 and the turntable 34 to synchronously rotate when the rotating main shaft 32 rotates; the upper end surface of the rotating base 33 is provided with a second clamping device 5, the second clamping device 5 comprises a second air cylinder 51 and a second clamping block 52, and the second air cylinder 51 controls the second clamping block 52 to be close to the turntable 34 when working; the first clamping device 2 comprises a first clamping block 21 and a positioning block 22, wherein the positioning block 22 is arranged adjacent to the turntable 34, and the first clamping block 21 and the second clamping block 52 are arranged side by side and adjacent to each other.

The side surface of the machine body platform 1 is provided with mounting plates 6 which are arranged in pairs, and the rotating device 3 is arranged on the mounting plates 6; the rotating device 3 further comprises a first gear 35, a second gear 36, a mounting bearing 37, a first clamp spring 38, a second clamp spring 39, a third clamp spring 310 and a fourth clamp spring 311, and the rotating main shaft 32 is provided with a clamping groove 312 for mounting the first clamp spring 38, the second clamp spring 39, the third clamp spring 310 and the fourth clamp spring 311; the rotary main shaft 32 is arranged on the mounting plate 6 through a mounting bearing 37, the rotary main shaft 32 is in spline connection with the turntable 34, and the rotary base 33 is also in spline connection with the rotary main shaft 32; the lower end surface of the turntable 34 is provided with a first clamp spring 38, the tail end of the rotary main shaft 32 is provided with a fourth clamp spring 311, and the fourth clamp spring 311 is arranged with the mounting plate 6 close to the lower part of the rotary base 33; the upper end surface of the rotating base 33 is provided with a second clamping spring 39, and the lower end surface of the rotating base 33 is provided with a third clamping spring 310; when the motor 31 works, the first gear 35 and the second gear 36 synchronously drive the rotating main shaft 32 to rotate. The top of the rotary main shaft 32 is provided with an annular protrusion 313, the upper end surface of the rotary table 34 is attached to the annular protrusion 313, and the lower end surface of the rotary table 34 is attached to the first clamp spring 38; a mounting plate 6 is arranged between the top plate of the rotating base 33 and the bottom plate of the rotating base 33, a first gasket 314 is arranged between the top plate of the rotating base 33 and the mounting plate 6, a second gasket 315 is arranged between the bottom plate of the rotating base 33 and the mounting plate 6, and the first gasket 314 and the second gasket 315 are sleeved on the outer layer of the rotating main shaft 32 and are attached to the mounting bearing 37; the upper end face of the fourth clamp spring 311 is provided with a third gasket 316, the third gasket 316 is mutually attached to the mounting plate 6 arranged below the rotating base 33, and the fourth clamp spring 311 is mutually attached to the third gasket 316. The motor 31 is arranged on the side wall of the machine body platform 1, a first gear 35 is arranged on an output shaft of the motor 31, a second gear 36 connected with the rotating main shaft 32 through a spline is arranged on the rotating main shaft 32, and the first gear 35 and the second gear 36 are meshed with each other.

The second clamping device 5 further comprises a sliding block 53 and a fastening piece 54, the sliding block 53 is installed on the rotating base 33, and the fastening piece 54 for fixing the sliding block 53 and the second clamping block 52 is arranged between the sliding block 53 and the second clamping block; the second cylinder 51 is mounted on the rotating base 33, a piston shaft of the second cylinder 51 is fixedly connected with the sliding block 53, and the second cylinder 51 pushes the sliding block 53 to be close to the turntable 34 when working. The edge of the turntable 34 is provided with a columnar positioning part 7, the columnar positioning part 7 is provided with a first arc-shaped groove 8, the second clamping block 52 is provided with a second arc-shaped groove 9, and the outline of the first arc-shaped groove 8 and the outline of the second arc-shaped groove 9 are matched with the outline of the pipeline; the side surface of the columnar positioning portion 7 and the side surface of the second clamping block 52 are parallel to each other when the rotating base 33 and the side wall of the body platform 1 are attached to each other. The rotary base 33 is provided with a guide groove 10, and a sliding block 53 is arranged in the guide groove 10; columnar protrusions 55 are arranged on two sides of the sliding block 53, a limiting groove 11 is formed in the side wall of the guide groove 10, and the columnar protrusions 55 are arranged in the limiting groove 11.

The first clamping device 2 further comprises a first air cylinder 23, and a guide rail 12 for installing a first clamping block 21 is arranged on the machine body platform 1; the guide rails 12 are arranged in pairs, and when the rotating base 33 and the body platform 1 are mutually attached, the axial direction of the rotating base 33 and the guide rails 12 are mutually parallel; the axial direction of the guide rail 12 is perpendicular to the pushing device 4; the piston shaft of the first cylinder 23 is fixedly mounted on the first clamping block 21, and the first clamping block 21 and the positioning block 22 are arranged in parallel. The pushing device 4 comprises a third cylinder 41, a push rod 42 and a placing block 43; the push rod 42 is inserted into the placement block 43, and the placement block 43 and the third cylinder 41 are fixedly arranged on the machine body platform 1; the piston shaft of the third cylinder 41 is connected with a push rod 42, and the push rod 42 and a groove for placing a product on the positioning block 22 are coaxially arranged; the end of the push rod 42, which is close to the positioning block 22, is provided with a convex disc 44, when the pipeline is sleeved and installed on the push rod 42, the convex disc is mutually attached to the tail end of the pipeline, and the outer diameter of the convex disc 44 is larger than the outer diameter of the pipeline.

The specific working process of this embodiment is as follows, the pipe to be bent is sleeved on the push rod 42, the push rod 42 is pushed to move by the third cylinder 41, so that the push rod 42 can push the pipe to the rotating device 3; when the position of the pipeline to be bent is positioned between the turntable 34 and the positioning block 22, the third cylinder 41 stops working; then the first clamping device 2 works, and the first clamping block 21 is controlled to be close to the positioning block 22 through the first air cylinder 23, so that the pipeline is clamped; at the same time, the second clamping device 5 works, and the second air cylinder 51 controls the second clamping block 52 to be close to the columnar positioning part 7, so that the pipeline is firmly fixed. Then the rotating device 3 starts to work, the motor 31 drives the first gear 35 to rotate, the second gear 36 synchronously rotates, the rotating main shaft 32 drives the turntable 34 to rotate, the rotating main shaft 32 drives the rotating base 33 to synchronously rotate when rotating, and the pipeline is bent and formed.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (9)

1. The automatic pipeline bending device comprises a machine body platform (1) and is characterized in that a first clamping device (2) for clamping a pipeline is arranged on the machine body platform (1), one end of the first clamping device (2) is provided with a rotating device (3), and the other end of the first clamping device (2) is provided with a pushing device (4) for pushing the pipeline to the rotating device (3); the rotating device (3) comprises a motor (31), a rotating main shaft (32), a rotating base (33) and a turntable (34), wherein the motor (31) drives the rotating main shaft (32) to rotate when working, and drives the rotating base (33) and the turntable (34) to synchronously rotate when the rotating main shaft (32) rotates; the upper end face of the rotating base (33) is provided with a second clamping device (5), the second clamping device (5) comprises a second air cylinder (51) and a second clamping block (52), and the second air cylinder (51) controls the second clamping block (52) to be close to the turntable (34) when working; the first clamping device (2) comprises a first clamping block (21) and a positioning block (22), the positioning block (22) is arranged adjacent to the turntable (34), and the first clamping block (21) and the second clamping block (52) are arranged side by side and adjacent to each other.

2. The automatic pipe bending device according to claim 1, wherein the side of the fuselage platform (1) is provided with mounting plates (6) arranged in pairs, the rotating device (3) being arranged on the mounting plates (6); the rotating device (3) further comprises a first gear (35), a second gear (36), a mounting bearing (37), a first clamp spring (38), a second clamp spring (39), a third clamp spring (310) and a fourth clamp spring (311), and clamping grooves (312) for mounting the first clamp spring (38), the second clamp spring (39), the third clamp spring (310) and the fourth clamp spring (311) are formed in the rotating main shaft (32); the rotary main shaft (32) is mounted on the mounting plate (6) through a mounting bearing (37), the rotary main shaft (32) is in spline connection with the turntable (34), and the rotary base (33) is also in spline connection with the rotary main shaft (32); the lower end face of the rotary table (34) is provided with a first clamp spring (38), the tail end of the rotary main shaft (32) is provided with a fourth clamp spring (311), and the fourth clamp spring (311) is arranged with a mounting plate (6) close to the lower part of the rotary base (33); the upper end face of the rotating base (33) is provided with a second clamp spring (39), and the lower end face of the rotating base (33) is provided with a third clamp spring (310); when the motor (31) works, the first gear (35) and the second gear (36) synchronously drive the rotary main shaft (32) to rotate.

3. The automatic pipe bending device according to claim 2, wherein the top of the rotary main shaft (32) is provided with an annular protrusion (313), the upper end surface of the rotary table (34) is jointed with the annular protrusion (313), and the lower end surface of the rotary table (34) is jointed with the first clamp spring (38); a mounting plate (6) is arranged between the top plate of the rotating base (33) and the bottom plate of the rotating base (33), a first gasket (314) is arranged between the top plate of the rotating base (33) and the mounting plate (6), a second gasket (315) is arranged between the bottom plate of the rotating base (33) and the mounting plate (6), and the first gasket (314) and the second gasket (315) are sleeved on the outer layer of the rotating main shaft (32) and are attached to the mounting bearing (37); the upper end face of the fourth clamp spring (311) is provided with a third gasket (316), the third gasket (316) is mutually attached to the mounting plate (6) arranged below the rotating base (33), and the fourth clamp spring (311) is mutually attached to the third gasket (316).

4. The automatic pipe bending device according to claim 2, wherein the motor (31) is mounted on a side wall of the machine body platform (1), a first gear (35) is arranged on an output shaft of the motor (31), a second gear (36) connected with the rotating main shaft through a spline is arranged on the rotating main shaft (32), and the first gear (35) and the second gear (36) are meshed with each other.

5. The automatic pipe bending device according to claim 1, characterized in that the second clamping device (5) further comprises a slider (53) and a fastener (54), the slider (53) being mounted on a rotating base (33), the fastener (54) fixing the two being arranged between the second clamping block (52) and the slider (53); the second air cylinder (51) is arranged on the rotating base (33), a piston shaft of the second air cylinder (51) is fixedly connected with the sliding block (53), and the sliding block (53) is pushed to be close to the rotary table (34) when the second air cylinder (51) works.

6. The automatic pipe bending device according to claim 5, wherein the edge of the turntable (34) is provided with a columnar positioning part (7), the columnar positioning part (7) is provided with a first arc-shaped groove (8), the second clamping block (52) is provided with a second arc-shaped groove (9), and the outline of the first arc-shaped groove (8) and the outline of the second arc-shaped groove (9) are matched with the outline of the pipe; the side surface of the columnar positioning part (7) and the side surface of the second clamping block (52) are arranged in parallel when the rotating base (33) is mutually attached to the side wall of the machine body platform (1).

7. The automatic pipe bending device according to claim 5, wherein the rotating base (33) is provided with a guide groove (10), and a sliding block (53) is arranged in the guide groove (10); columnar protrusions (55) are arranged on two sides of the sliding block (53), a limiting groove (11) is formed in the side wall of the guide groove (10), and the columnar protrusions (55) are arranged in the limiting groove (11).

8. The automatic pipe bending device according to claim 1, characterized in that said first clamping device (2) further comprises a first cylinder (23), said fuselage platform (1) being provided with a guide rail (12) for mounting a first clamping block (21); the guide rails (12) are arranged in pairs, and when the rotating base (33) and the machine body platform (1) are mutually attached, the axial direction of the rotating base (33) and the guide rails (12) are mutually parallel; the axial direction of the guide rail (12) is perpendicular to the pushing device (4); the piston shaft of the first cylinder (23) is fixedly arranged on the first clamping block (21), and the first clamping block (21) and the positioning block (22) are arranged in parallel.

9. The automatic pipe bending device according to claim 1, characterized in that the pushing device (4) comprises a third cylinder (41), a push rod (42) and a placement block (43); the push rod (42) is inserted into the placement block (43), and the placement block (43) and the third cylinder (41) are fixedly arranged on the machine body platform (1); the piston shaft of the third cylinder (41) is connected with a push rod (42), and the push rod (42) and a groove for placing a product on the positioning block (22) are coaxially arranged; the end of the push rod (42) close to the positioning block (22) is provided with an outer convex disc (44), the outer convex disc is mutually attached to the tail end of the pipeline when the pipeline is sleeved and installed on the push rod (42), and the outer diameter of the outer convex disc (44) is larger than the outer diameter of the pipeline.