An alarm device for PVC pipe wrapping machine
By designing a PVC pipe wrapping machine alarm device including a vertical plate, a horizontal plate, a warning light and a warning device, the problem of the coating in the prior art being easily broken during the packaging process and cannot be discovered in time, and timely warning and handling of the broken coating during the packaging process is achieved, and packaging efficiency and reliability are improved.
Patent Information
- Application Number
- CN202420719327.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-04-09
AI Technical Summary
The existing PVC pipe packaging machines are prone to break due to pulling during the coating process, but lack alarm devices, which leads to the packaging machines working in vain and cannot detect the film break in time.
An alarm device for PVC pipe winding packaging machine is designed, including vertical plates, horizontal plates, warning lights, warning devices and driving devices arranged left and right. When the coating is broken, the warning device automatically starts the warning light to issue a warning signal through the cooperation of the slider and the pressure-sensitive switch.
It realizes timely detection and warning of film breakage during PVC pipe packaging, avoids the ineffective work of the packaging machine, and improves the reliability and efficiency of the packaging process.
Smart Images
Figure CN222698852U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of auxiliary devices for PVC pipe packaging, in particular to an alarm device for a PVC pipe winding packaging machine. Background Art
[0002] PVC pipe is a pipe made of polyvinyl chloride resin, which is processed by stabilizer and lubricant and then extruded by hot pressing. PVC pipe has the advantages of strong corrosion resistance, easy bonding, low price and hard texture. It is widely used in drainage, wastewater treatment, chemical transportation, heating liquid and cooling liquid transportation, food processing, ultra-pure liquid transportation, slurry transportation, gas transportation, compressed air and vacuum system applications.
[0003] After the PVC tube is processed and formed, in order to prevent scratches on its surface during handling or transportation, which will affect the factory quality and even the subsequent use effect, it is often necessary to cover and protect its surface with a film. However, in the process of coating the PVC tube by the existing packaging machine, the film sometimes breaks due to pulling, but it is difficult to detect due to the lack of corresponding alarm devices, which causes the packaging machine to work in vain. Therefore, the present application proposes an alarm device for a PVC tube winding packaging machine, which is used to warn of the breakage of the film. Utility Model Content
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an alarm device for a PVC tube wrapping packaging machine, the technical solution to the problem solved is that it includes two vertical plates arranged correspondingly on the left and right, the upper ends of the two vertical plates are fixedly connected to a horizontal plate, and it is characterized in that each of the vertical plates is provided with a conveying hole for the PVC tube to pass through, the upper end of the horizontal plate is fixedly connected to a warning light, the conveying hole on the right side is coaxially rotatably connected to a connecting sleeve, the left end of the connecting sleeve is coaxially arranged with a connecting ring, the left end of the connecting ring is coaxially arranged with a turntable, the connecting ring is coaxially fixedly connected with a driven pulley, and a driving device matched with the driven pulley is arranged on the vertical plate on the right side, the bottom of the turntable is fixedly connected with a hanging rod, and a warning device connected to the warning light radio is arranged on the right side of the left end of the turntable, and a film coating roll is movably hung on the hanging rod, and the free end of the film coating roll bypasses the warning device and is fixedly connected to the outer edge of the PVC tube.
[0005] Preferably, the warning device includes a fixed rod fixedly connected to the turntable, the fixed rod is provided with a slide groove arranged along the vertical direction, the slide groove is vertically slidably mounted with a slider, the lower end of the slider is fixedly connected to the upper end of a spring, the lower end of the spring is fixedly connected to a fixed plate, the upper end of the fixed plate is fixedly connected to a pressure-sensitive switch corresponding to the slider and wirelessly connected to the warning light, the left end of the slider is fixedly connected to a long rod, the long rod is integrally arranged with a long plate overlapping the coating roll, the fixed plate is provided with a limiting hole, the limiting hole is threadedly connected to a limiting screw that can abut against the upper end of the slider.
[0006] Preferably, the driving device includes a mounting base fixedly connected to the vertical plate on the right side, the mounting base is fixedly connected to a motor, the output shaft of the motor is coaxially fixedly connected to a driving pulley, one end of a belt is clamped on the driving pulley, and the other end of the belt is clamped on the driven pulley.
[0007] The beneficial effects of the utility model are:
[0008] When the utility model is in use, the film roll is hung on the hanging rod, and the free end of the film roll bypasses the long board of the warning device and is fixed on the outer edge of the PVC pipe, so that the film is in a taut state, and the taut film is pressed on the long board, so that the slider of the warning device is under the pressure-sensitive switch, and the spring is in a compressed state. Then, under the drive of the driving device, the turntable rotates to cover the surface of the PVC pipe for protection. During the process of the film covering the PVC pipe, if the film breaks, the film can no longer continue to press the long board, and then the spring will automatically extend and drive the slider to move upward along the slide groove, so that the slider presses on the pressure-sensitive switch. The pressure of the slider will start the warning light, and the warning light will send a warning signal, so that the operator can deal with the broken film in time. The utility model has a simple structure, is easy to use, and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 This is a stereoscopic view of the utility model from the first perspective.
[0010] Figure 2 For this utility model Figure 1 Magnified view of area A.
[0011] Figure 3 This is a partial stereoscopic view from the second viewing angle of the utility model.
[0012] Figure 4 For this utility model Figure 3 Magnified view of area B.
[0013] Figure 5 This is a partial three-dimensional cross-sectional view of the utility model from the third viewing angle.
[0014] Figure 6 For this utility model Figure 5 Magnified view of area C.
[0015] Figure 7 This is a partial three-dimensional cross-sectional view from the fourth viewing angle of the utility model.
[0016] Figure 8 This is a partial stereoscopic view from the fifth viewing angle of the utility model.
[0017] Reference numerals
[0018] 1. Vertical plate, 2. Horizontal plate, 3. Conveying hole, 4. Warning light, 5. Connecting sleeve, 6. Connecting ring, 7. Turntable, 8. Driven pulley, 9. Hanging rod, 10. Warning device, 11. Laminating roll, 12. Fixing rod, 13. Slide groove, 14. Slider, 15. Spring, 16. Pressure sensitive switch, 17. Long rod, 18. Limiting hole, 19. Limiting screw, 20. Mounting seat, 21. Motor, 22. Driving pulley, 23. Belt, 24. PVC pipe, 25 Laminating, 26. Long plate. DETAILED DESCRIPTION
[0019] The following is combined with Figure 1-8 The specific implementation methods of the utility model are further described in detail.
[0020] Embodiment 1, the technical solution is that when the utility model is in use, a conveying hole 3 is arranged on the vertical plate 1 to facilitate the conveying of the PVC tube 24, the film roll 11 is hung on the hanging rod 9 to facilitate the release of the film 25, and the free end of the film roll 11 bypasses the long plate 26 of the warning device 10 and is fixed on the outer edge of the PVC tube 24, so that the film 25 is in a taut state, and the taut film 25 is pressed on the long plate 26, so that the slider 14 of the warning device 10 is under the pressure-sensitive switch 16, and the spring 15 is in a compressed state, and then the driving Under the drive of the device, the rotating disk 7 rotates to cover the coating 25 on the surface of the PVC pipe 24 for protection. During the coating process of the coating 25 on the PVC pipe 24, if the coating 25 is broken, the coating 25 can no longer continue to cover the long board 26, and then the spring 15 will automatically extend and drive the slider 14 to move upward along the slide 13, so that the slider 14 presses on the pressure-sensitive switch 16. The pressure-sensitive switch 16 will activate the warning light 4 on the horizontal board 2 under the pressure of the slider 14, and the warning light 4 will send out a warning signal, so that the operator can deal with the broken coating 25 in time. The utility model has a simple structure, is easy to use, and has strong practicality.
[0021] Embodiment 2, based on embodiment 1, initially, before packaging, to avoid abnormal alarm, the limit screw 19 is as follows Figure 4As shown, it is threadedly connected with the limit hole 18, and the limit screw 19 abuts against the upper end of the slider 14. The spring 15 is in a compressed state, the slider 14 keeps a distance from the pressure-sensitive switch 16, and the pressure-sensitive switch 16 cannot be triggered.
[0022] When coating is required, Figure 1-2 , the PVC pipe 24 moves from left to right through the conveying hole 3 on the vertical plate 1 under the action of the external conveying device for easy coating (the external conveying device can be an existing technology, which will not be described in detail). When coating the PVC pipe 24 moving from left to right, the coating roll 11 is as follows Figure 1 As shown in FIG. 1 , the free end of the film 25 is hung on the hanging rod 9, and the free end of the film 25 is passed around the long plate 26 and fixed on the surface of the PVC pipe 24. The limit screw 19 is as shown in FIG. Figure 2 As shown, the long plate 26 of the warning device 10 is taken out from the limit hole 18. Under this pressure, even if the limit screw 19 is taken out, the slider 14 fixedly connected to the long rod 17 still maintains a distance from the pressure-sensitive switch 16 under the pressure of the coating 25, and the spring 15 is in a compressed state.
[0023] The free end of the film roll 11 is Figure 1 After the arrangement shown is completed, the driving device is started to drive the turntable 7 for packaging, and the external conveying device is started to drive the PVC pipe 24 to move from left to right. The driving device is started, that is, the motor 21 on the mounting seat 20 is started, and the motor 21 starts to drive the driving pulley 22 to rotate clockwise through its output shaft, and the driving pulley 22 drives the connecting ring 6 through the cooperation of the belt 23 and the driven pulley 8, and the right end of the connecting ring 6 is integrally arranged with a connecting sleeve 5 for connecting the conveying hole 3, and the left end of the connecting ring 6 is integrally arranged with a turntable 7, so the driving pulley 22 rotates clockwise to drive the turntable 7 to rotate clockwise around the axis of the conveying hole 3 through the belt 23 and the driven pulley 8, and the turntable 7 rotates clockwise to drive the film roll 11 on the hanging rod 9 and the warning device 10 to rotate around the PVC pipe 24 together, and the film roll 11 on the hanging rod 9 will gradually release the film 25 during the rotation process, so that the film 25 is spirally attached to the outer edge of the PVC pipe 24 moving from left to right.
[0024] Embodiment 3, on the basis of embodiment 2, during the laminating process of the coating 25, if the coating 25 is broken, the coating 25 cannot cover the long plate 26, and the slider 14 loses the restriction of the limit screw 19, the spring 15 will automatically extend and drive the slider 14 to move upward along the slide groove 13 on the fixed plate, so that the slider 14 presses on the pressure-sensitive switch 16, and the pressure-sensitive switch 16 is triggered to start the warning light 4, and the warning light 4 sends a signal to warn the on-site operator.
Claims
1. An alarm device for a PVC tube wrapping packaging machine, comprising two vertical plates (1) arranged in left and right correspondence, wherein the upper ends of the two vertical plates (1) are fixedly connected to a horizontal plate (2), characterized in that: Each of the vertical plates (1) is provided with a conveying hole (3) for the PVC pipe (24) to pass through; a warning light (4) is fixedly connected to the upper end of the horizontal plate (2); the conveying hole (3) on the right side is coaxially rotatably connected to a connecting sleeve (5); a connecting ring (6) is coaxially arranged integrally at the left end of the connecting sleeve (5); a turntable (7) is coaxially arranged integrally at the left end of the connecting ring (6); a driven pulley (8) is coaxially fixedly connected to the connecting ring (6); a driving device cooperating with the driven pulley (8) is arranged on the vertical plate (1) on the right side; a hanging rod (9) is fixedly connected to the bottom of the turntable (7); a warning device (10) connected to the warning light (4) by radio is arranged on the right side of the left end of the turntable (7); a film coating roll (11) is movably hung on the hanging rod (9); the free end of the film coating roll (11) bypasses the warning device (10) and is fixedly connected to the outer edge of the PVC pipe (24).
2. According to claim 1, a PVC tube wrapping machine alarm device is characterized in that: The warning device (10) comprises a fixed rod (12) fixedly connected to the turntable (7), the fixed rod (12) being provided with a slide groove (13) arranged in the vertical direction, the slide groove (13) being vertically slidably mounted with a slider (14), the lower end of the slider (14) being fixedly connected to the upper end of a spring (15), the lower end of the spring (15) being fixedly connected to the fixed rod (12), the upper end of the fixed rod (12) being fixedly connected to a pressure-sensitive switch (16) corresponding to the slider (14) and wirelessly connected to the warning light (4), the left end of the slider (14) being fixedly connected to a long rod (17), the long rod (17) being integrally arranged with a long plate (26) overlapping the film (25) roll (11), the fixed rod (12) being provided with a limiting hole (18), the limiting hole (18) being threadedly connected to a limiting screw (19) capable of abutting against the upper end of the slider (14).
3. According to claim 1, the alarm device for a PVC tube wrapping machine is characterized in that: The driving device comprises a mounting seat (20) fixedly connected to the right vertical plate (1), the mounting seat (20) being fixedly connected to a motor (21), the output shaft of the motor (21) being coaxially fixedly connected to a driving pulley (22), the driving pulley (22) being clamped with one end of a belt (23), and the other end of the belt (23) being clamped with a driven pulley (8).