Traction mechanism for PVC pipe processing

Abstract

The utility model discloses a traction mechanism for PVC pipe machining. The traction mechanism comprises a machine table, a jacking mechanism and a conveying mechanism. Supporting legs are arranged at the four corners of the lower end of the machine table respectively, a supporting plate is arranged in the machine table, an L-shaped support is arranged at the rear end of the upper surface of the machine table, and a protective cover is arranged at the upper end of the L-shaped support. The jacking mechanism is arranged at the upper end of the supporting plate; the conveying mechanism comprises vertical plates, a conveying belt and rotating shafts, the vertical plates which are symmetrical front and back are arranged on the left side and the right side of the lower surface of the front end of the L-shaped support respectively, the rotating shafts are rotationally connected between the two vertical plates which are adjacent front and back respectively, the conveying belt is in transmission connection between the two rotating shafts, and a control switch set is arranged on the left side face of the machine table. According to the traction mechanism for PVC pipe machining, the PVC pipe can move stably during traction, the PVC pipe can be fixed more firmly, the PVC pipe cannot be clamped and damaged, and meanwhile the traction mechanism is suitable for traction of PVC pipes with different diameters.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC pipe processing, in particular to a traction mechanism for PVC pipe processing. Background Art

[0002] PVC (Polyvinylchlorid) is a material primarily composed of polyvinyl chloride (PVC), with other ingredients added to enhance its heat resistance, toughness, and ductility. The top layer of this surface film is lacquer, the middle layer is primarily composed of PVC, and the bottom layer is a back-coated adhesive.

[0003] Some existing PVC pipe processing uses a traction mechanism to place the PVC pipe on the conveyor belt. The traction is driven by a motor;

[0004] The traditional online preheating machine for PP production has the following problems: the traction structure is single, the PVC pipe is not firmly fixed during transmission, and it may cause pinching of the PVC pipe. Therefore, we propose a traction mechanism for PVC pipe processing. Utility Model Content

[0005] The technical problem to be solved by the present invention is to overcome the existing defects and provide a traction mechanism for PVC pipe processing, so that the PVC pipe can move smoothly during traction, the PVC pipe can be fixed more firmly, and will not be pinched. At the same time, it is suitable for traction of PVC pipes of different diameters, which can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the present utility model provides the following technical solutions: a traction mechanism for PVC pipe processing, comprising a machine platform, a lifting mechanism and a transmission mechanism;

[0007] Machine platform: The four corners of the lower end are provided with supporting legs, the interior of the machine platform is provided with a supporting plate, the rear end of the upper surface of the machine platform is provided with an L-shaped bracket, and the upper end of the L-shaped bracket is provided with a protective cover;

[0008] Lifting mechanism: It is set at the upper end of the support plate;

[0009] Transmission mechanism: It includes a vertical plate, a conveyor belt and a rotating shaft. The left and right sides of the lower surface of the front end of the L-shaped bracket are respectively provided with front and rear symmetrical vertical plates. The two adjacent vertical plates are rotatably connected with a rotating shaft, and a conveyor belt is connected between the two rotating shafts. This ensures that the PVC pipe can move smoothly during traction, fixes the PVC pipe more firmly, and will not cause pinching of the PVC pipe. At the same time, it is suitable for traction of PVC pipes of different diameters.

[0010] Furthermore, a control switch group is provided on the left side of the machine, and the output end of the control switch group is electrically connected to the output end of the external power supply to provide electrical connection for various electrical appliances.

[0011] Furthermore, the jacking mechanism includes a threaded rod, an internal threaded tube, a rectangular groove, a sliding groove, a roller and a sliding rod. The lower end of the threaded rod is rotatably connected to the middle part of the upper surface of the support plate, the upper end of the threaded rod is threadedly connected to the internal threaded tube, the upper end of the internal threaded tube is fixedly connected to the rectangular groove, the left and right ends of the lower surface of the rectangular groove are respectively fixedly connected to the sliding rod, the lower ends of the sliding rods are slidably connected to the sliding holes on the upper surface of the support plate, the interior of the rectangular groove is slidably connected to the sliding groove, and the interior of the sliding groove is rotatably connected to the roller through a pin shaft to achieve jacking.

[0012] Furthermore, the lifting mechanism also includes a telescopic rod and a spring. The bottom wall of the rectangular groove and the lower end of the sliding groove are fixedly connected with evenly distributed telescopic rods, and the outer part of the telescopic rod is provided with a spring to provide rebound.

[0013] Furthermore, the lifting mechanism also includes a motor 1, a worm and a worm wheel. The worm wheel is fixedly sleeved on the lower end of the threaded rod. Motor 1 is arranged on the upper surface of the support plate. The front end of the output shaft of motor 1 is fixedly connected to the worm. The worm and the worm wheel are meshed and connected. The input end of motor 1 is electrically connected to the output end of the control switch group to provide lifting drive.

[0014] Furthermore, a rectangular limiting hole corresponding to the rectangular groove is opened on the upper surface of the machine to provide limiting.

[0015] Furthermore, the transmission mechanism also includes motor 2, a rotating shaft, gear 1 and gear 2, wherein gear 2 is fixedly connected to the rear end of the rotating shaft on the left side, motor 2 is arranged at the upper end of the L-shaped bracket, the rear end of the output shaft of motor 2 is fixedly connected to the rotating shaft, the rear end of the rotating shaft is fixedly connected to gear 1, gear 1 is meshed with gear 2, and the input end of motor 2 is electrically connected to the output end of the control switch group to provide conveying drive.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the traction mechanism for PVC pipe processing has the following advantages:

[0017] 1. When pulling the PVC pipe, place the PVC pipe on the upper end of the machine, and then adjust the control switch group to start the second motor. The output shaft of the second motor drives the rotating shaft to rotate. The rotation of the rotating shaft drives the first gear to rotate. The rotation of the first gear will drive the meshing gear second to rotate. The rotation of the second gear will drive the rotating shaft on the left to rotate, and then drive the conveyor belt through the rotating shaft on the right end. When the bottom of the conveyor belt contacts the upper end of the PVC pipe, the PVC pipe can move smoothly during pulling, and the PVC pipe is fixed more firmly.

[0018] 2. Then, by regulating the control switch group, the motor will start, and the output shaft of the motor will drive the worm to rotate. The rotation of the worm will drive the meshing worm wheel to rotate, and the rotation of the worm wheel will drive the threaded rod to rotate. The rotation of the threaded rod will drive the internal threaded barrel of the thread to spiral up, and then the rectangular slot will be driven to rise under the limited sliding action of the slide rod. The rise of the rectangular slot will drive the sliding slot to move upward, and then drive the roller upward, so that the upper end of the roller contacts the lower end of the PVC pipe, tightens the PVC pipe, and moves the PVC pipe smoothly. The roller moves left and right under the rebound of the telescopic rod and the spring to avoid pinching the PVC pipe. It is suitable for traction of PVC pipes of different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the front side sectional structure of the utility model.

[0022] In the figure: 1 machine platform, 2 support legs, 3 L-shaped bracket, 4 protective cover, 5 lifting mechanism, 501 motor 1, 502 worm, 503 worm gear, 504 threaded rod, 505 internal threaded cylinder, 506 rectangular groove, 507 telescopic rod, 508 spring, 509 sliding groove, 510 roller, 511 sliding rod, 6 transmission mechanism, 61 motor 2, 62 rotating shaft, 63 gear 1, 64 gear 2, 65 vertical plate, 66 conveyor belt, 67 rotating shaft, 7 control switch group, 8 support plates. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-3 , this embodiment provides a technical solution: a traction mechanism for PVC pipe processing, comprising a machine platform 1, a lifting mechanism 5 and a transmission mechanism 6;

[0025] Machine 1: The four corners of its lower end are respectively provided with support legs 2, the interior of the machine 1 is provided with a support plate 8, the rear end of the upper surface of the machine 1 is provided with an L-shaped bracket 3, the upper end of the L-shaped bracket 3 is provided with a protective cover 4, and the left side of the machine 1 is provided with a control switch group 7, the output end of the control switch group 7 is electrically connected to the output end of the external power supply;

[0026] Lifting mechanism 5: It is arranged at the upper end of the support plate 8. The lifting mechanism 5 includes a threaded rod 504, an internal threaded cylinder 505, a rectangular groove 506, a sliding groove 509, a roller 510 and a slide rod 511. The lower end of the threaded rod 504 is rotatably connected to the middle part of the upper surface of the support plate 8. The upper end of the threaded rod 504 is threadedly connected to the internal threaded cylinder 505. The upper end of the internal threaded cylinder 505 is fixedly connected to the rectangular groove 506. The left and right ends of the lower surface of the rectangular groove 506 are respectively fixedly connected to the slide rod 511. The lower end of the slide rod 511 is connected to the upper surface of the support plate 8. The sliding hole is connected in a sliding manner, and the interior of the rectangular groove 506 is slidably connected to the sliding groove 509. The interior of the sliding groove 509 is rotatably connected to the roller 510 through a pin shaft. The lifting mechanism 5 also includes a telescopic rod 507 and a spring 508. The bottom wall of the rectangular groove 506 and the lower end of the sliding groove 509 are fixedly connected with uniformly distributed telescopic rods 507. The outer part of the telescopic rod 507 is provided with a spring 508. The lifting mechanism 5 also includes a motor 501, a worm 502 and a worm gear 503. The worm gear 503 is fixedly sleeved on the lower end of the threaded rod 504. The machine 1 501 is set on the upper surface of the support plate 8. The front end of the output shaft of the motor 1 501 is fixedly connected to the worm 502. The worm 502 is meshed with the worm wheel 503. The input end of the motor 1 501 is electrically connected to the output end of the control switch group 7. The upper surface of the machine 1 is provided with a rectangular limit hole corresponding to the rectangular groove 506. Then, by adjusting the control switch group 7, the motor 1 501 is operated, and the output shaft of the motor 1 501 drives the worm 502 to rotate. The rotation of the worm 502 will drive the meshed worm wheel 503 to rotate, and the rotation of the worm wheel 503 will The threaded rod 504 is driven to rotate, and the rotation of the threaded rod 504 will drive the internal threaded cylinder 505 to spiral upward, and then the rectangular groove 506 will be driven to rise under the limited sliding action of the slide rod 511. The rising of the rectangular groove 506 will drive the sliding groove 509 to move upward, and then drive the roller 510 upward, so that the upper end of the roller 510 contacts the lower end of the PVC pipe, tightening the PVC pipe and moving the PVC pipe smoothly. The roller 510 is moved left and right by the telescopic rod 507 and the spring 508 to avoid pinching the PVC pipe.

[0027] Transmission mechanism 6: It includes a vertical plate 65, a conveyor belt 66 and a rotating shaft 67. The left and right sides of the lower surface of the front end of the L-shaped bracket 3 are respectively provided with front and rear symmetrical vertical plates 65. The two adjacent vertical plates 65 are respectively rotatably connected with the rotating shaft 67. The conveyor belt 66 is connected to the two rotating shafts 67. The transmission mechanism 6 also includes a second motor 61, a rotating shaft 62, a gear 1 63 and a second gear 64. The second gear 64 is fixedly connected to the rear end of the rotating shaft 67 on the left. The second motor 61 is set at the upper end of the L-shaped bracket 3. The rear end of the output shaft of the second motor 61 is fixedly connected to the rotating shaft 62. The rear end of the rotating shaft 62 is fixedly connected to the gear 1. 63, Gear 1 63 is meshed with Gear 2 64, and the input end of Motor 2 61 is electrically connected to the output end of Control Switch Group 7. When the PVC pipe is towed, the PVC pipe is placed on the upper end of the machine 1, and then the Control Switch Group 7 is adjusted to operate Motor 2 61. The output shaft of Motor 2 61 drives the rotating shaft 62 to rotate, and the rotation of the rotating shaft 62 drives Gear 1 63 to rotate. The rotation of Gear 1 63 will drive the meshed Gear 2 64 to rotate, and the rotation of Gear 2 64 will drive the rotating shaft 67 on the left to rotate, and then drive the conveyor belt 66 through the rotating shaft 67 on the right end. When the bottom of the conveyor belt 66 contacts the upper end of the PVC pipe.

[0028] The working principle of a traction mechanism for PVC pipe processing provided by the present invention is as follows: when the PVC pipe is to be pulled, the PVC pipe is placed on the upper end of the machine 1, and then the control switch group 7 is adjusted to operate the motor 2 61, and the output shaft of the motor 2 61 drives the rotating shaft 62 to rotate, and the rotation of the rotating shaft 62 drives the gear 1 63 to rotate, and the rotation of the gear 1 63 drives the meshing gear 2 64 to rotate, and the rotation of the gear 2 64 drives the rotating shaft 67 on the left to rotate, and then drives the conveyor belt 66 through the rotating shaft 67 on the right end. When the bottom of the conveyor belt 66 contacts the upper end of the PVC pipe, the control switch group 7 is adjusted to operate the motor 1 501, and the motor 1 The output shaft of 501 drives the worm 502 to rotate. The rotation of the worm 502 will drive the meshing worm wheel 503 to rotate. The rotation of the worm wheel 503 will drive the threaded rod 504 to rotate. The rotation of the threaded rod 504 will drive the internal threaded barrel 505 to spiral up, and then under the limited sliding action of the slide rod 511, the rectangular groove 506 will be driven to rise. The rise of the rectangular groove 506 will drive the sliding groove 509 to move upward, and then drive the roller 510 upward, so that the upper end of the roller 510 contacts the lower end of the PVC pipe, tightens the PVC pipe, and moves and pulls the PVC pipe smoothly. The roller 510 is moved left and right by the rebound of the telescopic rod 507 and the spring 508 to avoid pinching the PVC pipe.

[0029] It is worth noting that the motor 1 501 and the motor 2 61 disclosed in the above embodiments can both be made of 5Ik12RGU-CF, and the control switch group 7 is provided with switch buttons corresponding to the motor 1 501 and the motor 2 61 for controlling their switching operations.

[0030] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A traction mechanism for PVC pipe processing, characterized by: It comprises a machine platform (1), a lifting mechanism (5) and a transmission mechanism (6); The machine (1) has legs (2) at the four corners of its lower end, a support plate (8) is provided inside the machine (1), an L-shaped bracket (3) is provided at the rear end of the upper surface of the machine (1), and a protective cover (4) is provided at the upper end of the L-shaped bracket (3); Lifting mechanism (5): It is arranged at the upper end of the support plate (8); The transmission mechanism (6) comprises a vertical plate (65), a conveyor belt (66) and a rotating shaft (67). The left and right sides of the lower surface of the front end of the L-shaped bracket (3) are respectively provided with vertical plates (65) that are symmetrical in front and back. The rotating shaft (67) is rotatably connected between the two adjacent vertical plates (65), and the conveyor belt (66) is transmission-connected between the two rotating shafts (67).

2. A traction mechanism for PVC pipe processing according to claim 1, characterized in that: A control switch group (7) is provided on the left side of the machine (1), and the output end of the control switch group (7) is electrically connected to the output end of an external power supply.

3. A traction mechanism for PVC pipe processing according to claim 2, characterized in that: The lifting mechanism (5) comprises a threaded rod (504), an internal threaded barrel (505), a rectangular groove (506), a sliding groove (509), a roller (510) and a sliding rod (511). The lower end of the threaded rod (504) is rotatably connected to the middle part of the upper surface of the support plate (8). The upper end of the threaded rod (504) is threadedly connected to the internal threaded barrel (505). The upper end of the internal threaded barrel (505) is fixedly connected to the rectangular groove (506). The left and right ends of the lower surface of the rectangular groove (506) are respectively fixedly connected to the sliding rod (511). The lower ends of the sliding rod (511) are slidably connected to the sliding hole on the upper surface of the support plate (8). The interior of the rectangular groove (506) is slidably connected to the sliding groove (509). The interior of the sliding groove (509) is rotatably connected to the roller (510) via a pin shaft.

4. A traction mechanism for PVC pipe processing according to claim 3, characterized in that: The lifting mechanism (5) further comprises a telescopic rod (507) and a spring (508); the evenly distributed telescopic rods (507) are fixedly connected between the bottom wall of the rectangular groove (506) and the lower end of the sliding groove (509); and the outer portion of the telescopic rod (507) is sleeved with a spring (508).

5. A traction mechanism for PVC pipe processing according to claim 4, characterized in that: The lifting mechanism (5) further comprises a motor (501), a worm (502) and a worm wheel (503); the worm wheel (503) is fixedly sleeved on the lower end of the threaded rod (504); the motor (501) is arranged on the upper surface of the support plate (8); the front end of the output shaft of the motor (501) is fixedly connected to the worm (502); the worm (502) and the worm wheel (503) are meshed and connected; the input end of the motor (501) is electrically connected to the output end of the control switch group (7).

6. A traction mechanism for PVC pipe processing according to claim 4, characterized in that: The upper surface of the machine platform (1) is provided with a rectangular limiting hole corresponding to the rectangular groove (506).

7. The traction mechanism for PVC pipe processing according to claim 2, characterized in that: The transmission mechanism (6) further comprises a second motor (61), a rotating shaft (62), a first gear (63) and a second gear (64), wherein the second gear (64) is fixedly connected to the rear end of the rotating shaft (67) on the left side, the second motor (61) is arranged at the upper end of the L-shaped bracket (3), the rear end of the output shaft of the second motor (61) is fixedly connected to the rotating shaft (62), the rear end of the rotating shaft (62) is fixedly connected to the first gear (63), the first gear (63) is meshed with the second gear (64), and the input end of the second motor (61) is electrically connected to the output end of the control switch group (7).

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