Winding mechanism of pipe winding machine

Abstract

A winding mechanism of a pipe winding machine comprises a plurality of clamping devices which are rotationally arranged and annularly distributed, each clamping device comprises a supporting arm, a movable arm assembly, a movable plate assembly, a driver and an elastic piece, the driver is in driving connection with the movable arm assembly, the movable arm assembly is hinged to the supporting arm, the movable plate assembly is rotationally arranged on the supporting arm, and the elastic piece is arranged on the movable plate assembly. The elastic piece is arranged between the supporting arm and the movable plate assembly. According to the utility model, the movable plate assembly is rotatably arranged on the supporting arm, and when the rolling mechanism unrolls, the elastic piece drives the movable plate assembly to rotate to the position inclined towards the roll unloading direction, namely the movable plate assembly is inclined towards the lower part of the supporting arm, so that a pipe is easily pushed out of the supporting arm, and the roll unloading becomes very simple and convenient; the problem that an existing supporting arm is in a horizontal state when the pipe is unwound and the pipe is difficult to push out of the supporting arm is solved, in addition, friction force borne by the pipe can be reduced when the pipe is unwound, the pipe is prevented from being scratched or damaged, and then the product quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coiling machines, in particular to a coiling mechanism of a pipe coiling machine. Background Art

[0002] Chinese patent document number CN217398083U disclosed an automatic winding machine for plastic pipes on September 9, 2022, including a plastic pipe guide device for conveying plastic pipes to the winding device, the plastic pipes are formed into plastic pipe reels through the winding device, the automatic winding machine for plastic pipes also includes a packaging device for bundling the plastic pipe reels with straps, the winding device is located between the plastic pipe guide device and the packaging device, and also includes a unwinding device for separating the plastic pipe reels from the winding device after packaging, the unwinding device includes a sliding seat, the sliding seat is provided with a clamping assembly for clamping the plastic pipe reel, and the clamping assembly is lifted and set on the sliding seat. The adjustment plate (support arm) on the clamp of this winding machine is in a horizontal state when the pipe is unrolled, making it difficult to push the pipe out of the adjustment plate, causing difficulty in unrolling, and the pipe is easily damaged when unrolling.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The utility model aims to provide a winding mechanism of a pipe winding machine which has simple structure, easy unloading, good product quality, high production efficiency and strong practicality, so as to overcome the shortcomings of the prior art.

[0005] A winding mechanism of a pipe winding machine designed for this purpose includes a plurality of rotatably arranged and annularly distributed clamping devices, characterized in that the clamping device includes a support arm, a movable arm assembly, a movable plate assembly, a driver and an elastic member, the driver drives the movable arm assembly to be connected, the movable arm assembly and the support arm are hinged to each other, the movable plate assembly is rotatably arranged on the support arm, and the elastic member is arranged between the support arm and the movable plate assembly; when the winding mechanism is winding, the driver drives the movable arm assembly to rotate to a first position, the movable arm assembly lifts and supports the movable plate assembly to rotate the movable plate assembly to a horizontal position; when the winding mechanism is unwinding, the driver drives the movable arm assembly to rotate to a second position, the movable arm assembly is separated from the movable plate assembly, and the elastic member drives the movable plate assembly to rotate to a position inclined in the unwinding direction.

[0006] The support arm is provided with an axle body, the movable plate assembly is provided with a convex block, one end of the elastic member is provided with a first hook portion, and the other end is provided with a second hook portion, the first hook portion is hooked with the axle body, and the second hook portion is hooked with the convex block.

[0007] The support arm is U-shaped, a receiving cavity is arranged on the U-shape, and the elastic member and the shaft body are arranged on the receiving cavity.

[0008] A connecting block is provided on the movable arm assembly, and the connecting block is hinged to the support arm. The movable plate assembly includes a movable plate, and an extension block is extended at one end of the movable plate; when the movable arm assembly rotates to a first position, the connecting block acts on the extension block to lift and support the movable plate assembly; when the movable arm assembly rotates to a second position, the connecting block is separated from the extension block.

[0009] A rotating shaft is arranged on the supporting arm, and a rotating hole is arranged at the other end of the movable plate, and the rotating shaft is rotatably matched with the rotating hole.

[0010] The movable plate is U-shaped, a groove is arranged on the U-shape, the movable plate is sleeved on the supporting arm through the groove, and the protrusion is arranged on the groove.

[0011] The clamping device also includes a first clamping plate, which is fixed on the support arm. The movable arm assembly includes a second clamping plate. When the movable arm assembly rotates to the first position, the first clamping plate and the second clamping plate clamp the pipe.

[0012] The movable plate assembly also includes an arc-shaped pad, which is cooperatively connected with the movable plate. When the winding mechanism is wound, the pipe is wound on the pad.

[0013] The movable arm assembly also includes a movable arm, which is connected to the second clamping plate. A connecting head is arranged at one end of the driver, and the connecting head and the movable arm are hinged to each other.

[0014] The driver is a cylinder and the elastic member is a tension spring.

[0015] The utility model arranges a movable plate assembly rotatably on the support arm. When the winding mechanism unwinds the coil, the elastic member drives the movable plate assembly to rotate to a position inclined in the unwinding direction, that is, the movable plate assembly is inclined toward the bottom of the support arm, so that the pipe can be easily pushed out of the support arm, thereby making unwinding very simple and solving the problem that the existing support arm is in a horizontal state when the pipe is unwinding and it is difficult to push the pipe out of the support arm. In addition, the friction force on the pipe when unwinding can be reduced, preventing the pipe from being scratched or damaged, thereby improving product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the clamping device when the movable arm assembly rotates to the first position in one embodiment of the utility model.

[0017] Figure 2 It is a cross-sectional view of the clamping device when the movable arm assembly rotates to the first position in one embodiment of the utility model.

[0018] Figure 3 It is a schematic diagram of the overall structure of the clamping device when the movable arm assembly rotates to the second position in one embodiment of the utility model.

[0019] Figure 4It is a front view of the clamping device when the movable arm assembly rotates to the first position in one embodiment of the utility model.

[0020] Figure 5 A front view of the clamping device when the movable arm assembly rotates to the second position in one embodiment of the utility model.

[0021] Figure 6 The figure is a schematic diagram of the assembly structure of the support arm and the movable plate in one embodiment of the utility model.

[0022] Figure 7 It is a schematic diagram of the overall structure of the movable plate in one embodiment of the utility model.

[0023] Figure 8 It is a partial structural schematic diagram of a winder in one embodiment of the utility model. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] See also Figure 1-Figure 8 The winding mechanism of the pipe winding machine includes a plurality of rotatably arranged and annularly distributed clamping devices 1, the clamping device 1 includes a support arm 2, a movable arm assembly 3, a movable plate assembly 4, a driver 5 and an elastic member 6, the driver 5 drives and connects the movable arm assembly 3, the movable arm assembly 3 and the support arm 2 are hinged to each other, the movable plate assembly 4 is rotatably arranged on the support arm 2, and the elastic member 6 is arranged between the support arm 2 and the movable plate assembly 4; when the winding mechanism is winding, the driver 5 drives the movable arm assembly 3 to rotate to the first position A, the movable arm assembly 3 lifts and supports the movable plate assembly 4, so that the movable plate assembly 4 rotates to a horizontal position; when the winding mechanism is unwinding, the driver 5 drives the movable arm assembly 3 to rotate to the second position B, the movable arm assembly 3 is separated from the movable plate assembly 4, and the elastic member 6 drives the movable plate assembly 4 to rotate to a position inclined in the unwinding direction, that is, the movable plate assembly 3 is inclined toward the bottom of the support arm 2 (such as Figure 5 as shown).

[0026] An axis body 7 is provided on the inner wall of the support arm 2, a protrusion 8 is provided on the movable plate assembly 4, a first hook portion 9 is provided at one end of the elastic member 6, and a second hook portion 10 is provided at the other end. The first hook portion 9 is hooked with the axis body 7, and the second hook portion 10 is hooked with the protrusion 8, so that the elastic member 6 is connected between the support arm 2 and the movable plate assembly 4.

[0027] The support arm 2 is U-shaped, and a receiving cavity 11 is provided on the U-shape. The elastic member 6 and the shaft body 7 are arranged on the receiving cavity 11 , so that the elastic member 6 and the shaft body 7 are hidden, thereby improving the aesthetics of the clamping device 1 .

[0028] A connecting block 12 is provided on the movable arm assembly 3, and the connecting block 12 is hinged to the support arm 2 through a hinge shaft. The movable plate assembly 4 includes a movable plate 20, and an extension block 13 is extended at one end of the movable plate 20; when the movable arm assembly 3 rotates to the first position A, the connecting block 12 acts on the extension block 13 to lift and support the movable plate assembly 4; when the movable arm assembly 3 rotates to the second position B, the connecting block 12 is separated from the extension block 13, that is, the movable arm assembly 3 is separated from the movable plate assembly 4.

[0029] A rotating shaft 14 is disposed on the support arm 2 , and a rotating hole 15 is disposed at the other end of the movable plate 20 , and the rotating shaft 14 and the rotating hole 15 are rotatably matched.

[0030] The movable plate 20 is U-shaped, and a groove 16 is arranged on the U-shape. The movable plate 20 is sleeved on the support arm 2 through the groove 16 , and the protrusion 8 is arranged on the groove 16 .

[0031] The clamping device 1 also includes a first clamping plate 17, which is fixed to the support arm 2 through a fixing plate 23. The movable arm assembly 3 includes a second clamping plate 21. When the movable arm assembly 3 rotates to the first position A, the first clamping plate 17 and the second clamping plate 21 clamp the pipe. The connecting block 12 is arranged on the second clamping plate 21.

[0032] The movable plate assembly 4 further includes an arc-shaped backing plate 18 , which is cooperatively connected with the movable plate 20 . When the winding mechanism is winding, the pipe is wound on the backing plate 18 .

[0033] The movable arm assembly 3 further includes a movable arm 22 , which is connected to the second clamping plate 21 . A connector 19 is disposed at one end of the driver 5 , and the connector 19 and the movable arm 22 are hinged to each other via a hinge shaft.

[0034] The driver 5 is a cylinder and the elastic member 6 is a tension spring. The driver 5 drives the movable arm assembly 3 to rotate to the second position B. After the movable arm assembly 3 disengages from the movable plate assembly 4, the tension spring pulls the movable plate assembly 4 downward to rotate the movable plate assembly 4 to a position inclined in the unloading direction, and the bottom wall of the groove 16 abuts against the top surface of the support arm 2 to limit the movable plate assembly 4.

[0035] A mounting plate 24 is provided on the support arm 2 , and the other end of the driver 5 is rotatably connected to the mounting plate 24 .

[0036] An adjusting rod 25 is slidably provided on the fixing plate 23, and the adjusting rod 25 is connected to the first clamping plate 17. When the adjusting rod 25 slides, the position of the first clamping plate 17 can be adjusted to adapt to pipes of different lengths. After the first clamping plate 17 is adjusted, the adjusting rod 25 is locked by a locking screw.

[0037] The winding mechanism also includes a driving motor 26, a gear assembly 27 and a rotating frame 28. The driving motor 26 drives the connected gear assembly 27, and the gear assembly 27 is cooperatively connected with the rotating frame 28. The clamping device 1 is annularly arranged on the rotating frame 28. The driving motor 26 drives the clamping device 1 to rotate through the gear assembly 27 and the rotating frame 28 in turn to wind the pipe.

[0038] A tube pushing mechanism 29 is arranged above the winding mechanism, and the tube pushing mechanism 29 reciprocates up and down to push the tube toward the winding mechanism; a bundling mechanism 30 is arranged on one side of the winding mechanism, and after the tube is wound, the tube is bundled by the bundling mechanism 30; other structures of the winding machine can refer to patent CN117383008A.

[0039] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A winding mechanism of a pipe winding machine, comprising a plurality of rotating and annularly distributed clamping devices (1), characterized in that: The clamping device (1) comprises a support arm (2), a movable arm assembly (3), a movable plate assembly (4), a driver (5) and an elastic member (6); the driver (5) drives the movable arm assembly (3) to be connected, the movable arm assembly (3) and the support arm (2) are hinged to each other, the movable plate assembly (4) is rotatably arranged on the support arm (2), and the elastic member (6) is arranged between the support arm (2) and the movable plate assembly (4); when the winding mechanism is winding, the driver (5) drives the movable arm assembly (3) to rotate to a first position (A), the movable arm assembly (3) lifts up and supports the movable plate assembly (4), so that the movable plate assembly (4) rotates to a horizontal position; when the winding mechanism is unwinding, the driver (5) drives the movable arm assembly (3) to rotate to a second position (B), the movable arm assembly (3) is separated from the movable plate assembly (4), and the elastic member (6) drives the movable plate assembly (4) to rotate to a position inclined in the unwinding direction.

2. The winding mechanism of the pipe winding machine according to claim 1, characterized in that: The support arm (2) is provided with a shaft (7), the movable plate assembly (4) is provided with a protrusion (8), one end of the elastic member (6) is provided with a first hook portion (9), and the other end is provided with a second hook portion (10), the first hook portion (9) is hooked with the shaft (7), and the second hook portion (10) is hooked with the protrusion (8).

3. The winding mechanism of the pipe winding machine according to claim 2, characterized in that: The support arm (2) is U-shaped, and a receiving cavity (11) is provided on the U-shape; the elastic member (6) and the shaft body (7) are arranged on the receiving cavity (11).

4. The winding mechanism of the pipe winding machine according to claim 2, characterized in that: The movable arm assembly (3) is provided with a connecting block (12), the connecting block (12) being hinged to the support arm (2), the movable plate assembly (4) comprising a movable plate (20), one end of which is provided with an extending block (13); when the movable arm assembly (3) is rotated to a first position (A), the connecting block (12) acts on the extending block (13) to lift and support the movable plate assembly (4); when the movable arm assembly (3) is rotated to a second position (B), the connecting block (12) is separated from the extending block (13).

5. The winding mechanism of the pipe winding machine according to claim 4, characterized in that: A rotating shaft (14) is provided on the support arm (2), and a rotating hole (15) is provided on the other end of the movable plate (20), and the rotating shaft (14) and the rotating hole (15) are rotatably matched.

6. The winding mechanism of the pipe winding machine according to claim 4, characterized in that: The movable plate (20) is U-shaped, and a groove (16) is provided on the U-shape. The movable plate (20) is sleeved on the support arm (2) through the groove (16), and the protrusion (8) is provided on the groove (16).

7. The winding mechanism of the pipe winding machine according to claim 1, characterized in that: The clamping device (1) further comprises a first clamping plate (17), the first clamping plate (17) being fixed on the support arm (2), the movable arm assembly (3) comprising a second clamping plate (21), and when the movable arm assembly (3) rotates to the first position (A), the first clamping plate (17) and the second clamping plate (21) clamp the pipe.

8. The winding mechanism of the pipe winding machine according to claim 4, characterized in that: The movable plate assembly (4) further comprises an arc-shaped pad (18), the pad (18) being cooperatively connected with the movable plate (20), and when the winding mechanism is winding, the pipe is wound on the pad (18).

9. The winding mechanism of the pipe winding machine according to claim 7, characterized in that: The movable arm assembly (3) further comprises a movable arm (22), the movable arm (22) and the second clamping plate (21) being connected to each other, and a connecting head (19) is provided at one end of the driver (5), and the connecting head (19) and the movable arm (22) are hinged to each other.

10. The winding mechanism of the pipe winding machine according to any one of claims 1 to 9, characterized in that: The driver (5) is a cylinder, and the elastic member (6) is a tension spring.

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