Automatic film cutting and wrapping device for wires

Abstract

The automatic film cutting and wrapping device comprises a machine frame, a film feeding mechanism, a film cutting mechanism and a film wrapping mechanism, a supporting table is fixedly arranged on the machine frame, the film feeding mechanism, the film cutting mechanism and the film wrapping mechanism are installed on the supporting table, the film feeding mechanism comprises an air expansion shaft and a film feeding air cylinder, and the air expansion shaft is connected with the film feeding air cylinder. The film wrapping mechanism comprises a film wrapping servo motor and a film wrapping wheel, the inflatable shaft is used for supporting a protective film roll material, the film feeding air cylinder is used for feeding a protective film in the protective film roll material onto a wire rod in the film wrapping wheel, the film cutting mechanism is used for cutting off the protective film, and the film wrapping servo motor is used for driving the film wrapping wheel to rotate. And wrapping the cut protective film on the surface of the wire rod. Through cooperation of the film feeding mechanism, the film cutting mechanism and the film wrapping mechanism, operation of film feeding, film cutting and film wrapping can be automatically achieved, the automation degree is high, and the film wrapping efficiency is improved.

Description

Technical Field

[0001] The present application relates to wire film wrapping technology, and in particular to an automatic film cutting and wrapping device for wires. Background Art

[0002] In order to protect the wire, a layer of protective film is usually wrapped on the outside of the wire. Currently, manual wrapping is used. Not only is the dimensional stability of the wrapping poor, but the efficiency is low and the manpower cost is high, which is not conducive to large-scale industrial processing. Utility Model Content

[0003] In order to overcome the above-mentioned defects, the present application provides an automatic film cutting and wrapping device for wire, in which the film feeding mechanism, the film cutting mechanism and the film wrapping mechanism cooperate to automatically realize the operations of film feeding, film cutting and film wrapping, with a high degree of automation and improved film wrapping efficiency.

[0004] The technical solution adopted by this application to solve its technical problems is:

[0005] An automatic film cutting and wrapping device for wire comprises a frame, a film feeding mechanism, a film cutting mechanism and a film wrapping mechanism, wherein a support platform is fixedly provided on the frame, and the film feeding mechanism, the film cutting mechanism and the film wrapping mechanism are installed on the support platform, the film feeding mechanism comprises an inflatable shaft and a film feeding cylinder, and the film wrapping mechanism comprises a film wrapping servo motor and a film wrapping wheel, the inflatable shaft is used to support a protective film coil, the film feeding cylinder is used to feed the protective film in the protective film coil onto the wire in the film wrapping wheel, the film cutting mechanism is used to cut the protective film, and the film wrapping servo motor is used to drive the film wrapping wheel to rotate so as to wrap the cut protective film on the surface of the wire.

[0006] Optionally, the film feeding mechanism includes a first support frame, a second support frame and a third support frame, the first support frame and the second support frame are fixed on the support table, the third support frame is slidably installed on the support table, the inflatable shaft is rotatably installed on the first support frame, a positioning ring is provided on one side of the inflatable shaft, a rotatable roller is provided on the second support frame, and the film feeding cylinder and the film cutting mechanism are installed on the third support frame.

[0007] Optionally, a first guide rail is fixedly provided on the support platform, the third support frame is placed on the first guide rail, the third support frame is connected to a yield cylinder and an oil pressure buffer, and the yield cylinder can drive the third support frame to slide along the first guide rail.

[0008] Optionally, the third support frame is provided with a base, the base is provided with a second guide rail, a bottom plate is slidably mounted on the second guide rail, a limit strip and a first film pressing cylinder are provided on the bottom plate, the film feeding cylinder is installed on the base, and the film feeding cylinder can drive the bottom plate to slide along the second guide rail.

[0009] Optionally, the film cutting mechanism includes an upper cutter cylinder and a lower cutter cylinder, both of which are fixedly mounted on the third support frame, the upper cutter cylinder is connected to the upper cutter, the lower cutter cylinder is connected to the lower cutter, and there is a gap between the upper cutter and the lower cutter for the protective film to pass through.

[0010] Optionally, an open groove is provided on the film wrapping wheel, an upper tongue plate and a lower tongue plate are provided in the open groove, an accommodating cavity is provided between the upper tongue plate and the lower tongue plate, the upper tongue plate is fixedly mounted on the film wrapping wheel, and the lower tongue plate is movably mounted on the film wrapping wheel.

[0011] Optionally, the lower tongue plate is connected to a lower tongue opening cylinder and a reset spring, the lower tongue opening cylinder can drive the lower tongue plate to move in a direction away from the upper tongue plate, and the reset spring is used for resetting the lower tongue plate.

[0012] Optionally, the film wrapping mechanism further comprises a fourth support frame, the film wrapping wheel is rotatably mounted on the fourth support frame, the film wrapping servo motor is mounted on the support platform, and the film wrapping servo motor is connected to the film wrapping wheel via a pulley assembly.

[0013] Optionally, the film wrapping mechanism also includes a second film pressing cylinder, a wire positioning cylinder and a film wrapping wheel positioning cylinder, a wire positioning cylinder is provided on both sides of the film wrapping wheel, the wire positioning cylinder is connected to a pair of clamps, and the wire positioning cylinder clamps the wire through the clamps, the second film pressing cylinder is used to fix the protective film from below the protective film, the film wrapping wheel positioning cylinder is connected to a positioning rod, and the film wrapping wheel positioning cylinder fixes the film wrapping wheel through the positioning rod.

[0014] Optionally, a support plate is fixedly provided on the frame, a positioning piece is fixedly provided on the support plate, and a positioning hole is provided on the positioning piece for the wire to pass through.

[0015] The beneficial effects of the present application are as follows: in the present application, the protective film roll is supported by the inflatable shaft in the film feeding mechanism, the protective film is fed to the film wrapping wheel in the film wrapping mechanism by the film feeding cylinder, and the protective film is cut by the film cutting mechanism, and finally the cut protective film is automatically wrapped on the surface of the wire material by the film wrapping servo motor. Therefore, in the present application, through the cooperation between the film feeding mechanism, the film cutting mechanism and the film wrapping mechanism, the operations of film feeding, film cutting and film wrapping can be automatically realized, with a high degree of automation, good dimensional stability of the film wrapping, and high efficiency of the film wrapping, which is conducive to large-scale industrial processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is one of the structural schematic diagrams of the automatic film cutting and wrapping device in this application;

[0017] Figure 2 This is the second structural schematic diagram of the automatic film cutting and wrapping device in this application;

[0018] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0019] Figure 4 This is one of the structural schematic diagrams of the film feeding mechanism in this application;

[0020] Figure 5 This is the second structural diagram of the film feeding mechanism in this application;

[0021] Figure 6 This is one of the structural schematic diagrams of the film cutting mechanism in this application;

[0022] Figure 7 This is the second structural diagram of the film cutting mechanism in this application;

[0023] Figure 8 This is the third structural diagram of the film cutting mechanism in this application;

[0024] Fig. 9 This is one of the structural schematic diagrams of the film wrapping mechanism in this application;

[0025] Fig.10 This is the second structural schematic diagram of the film wrapping mechanism in this application;

[0026] Fig.11 for Fig.10 The enlarged view of point B in the middle;

[0027] In the figure: 100-frame, 110-support platform, 111-first guide rail, 120-support plate, 121-positioning member, 122-positioning hole,

[0028] 200-film feeding mechanism, 210-first support frame, 211-inflatable shaft, 212-positioning ring, 213-protective film coil, 214-protective film, 220-second support frame, 221-support roller, 230-third support frame, 231-base, 232-second guide rail, 233-limiting strip, 234-first film pressing cylinder, 235-film feeding cylinder, 236-bottom plate, 240-allowing cylinder, 241-oil pressure buffer,

[0029] 300-film cutting mechanism, 310-upper cutter cylinder, 320-upper cutter, 330-lower cutter cylinder, 340-lower cutter,

[0030] 400-film wrapping mechanism, 410-film wrapping servo motor, 411-pulley assembly, 420-fourth support frame, 430-film wrapping wheel, 431-opening groove, 432-upper tongue plate, 433-lower tongue plate, 434-reset spring, 440-lower tongue opening cylinder, 450-second film pressing cylinder, 460-wire positioning cylinder, 461-clamping claw, 470-film wrapping wheel positioning cylinder, 471-positioning rod. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the embodiments described in the present application are only a part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0032] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the following drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the objects used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0033] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0034] Example: Figure 1-11 As shown, an automatic film cutting and wrapping device for wire includes a frame 100, a film feeding mechanism 200, a film cutting mechanism 300 and a film wrapping mechanism 400. A support platform 110 is fixedly provided on the frame 100, and the film feeding mechanism 200, the film cutting mechanism 300 and the film wrapping mechanism 400 are installed on the support platform 110. The film feeding mechanism 200 includes an inflatable shaft 211 and a film feeding cylinder 235. The film wrapping mechanism 400 includes a film wrapping servo motor 410 and a film wrapping wheel 430. The inflatable shaft 211 is used to support a protective film coil 213, and the film feeding cylinder 235 is used to feed a protective film 214 in the protective film coil 213 onto the wire in the film wrapping wheel 430. The film cutting mechanism 300 is used to cut off the protective film 214, and the film wrapping servo motor 410 is used to drive the film wrapping wheel 430 to rotate so as to wrap the cut protective film 214 on the surface of the wire.

[0035] like Figure 1-2 As shown, the protective film coil 213 is sleeved on the pneumatic shaft 211, the wire is passed through the film wrapping wheel 430 through an external conveying mechanism, the film feeding cylinder 235 feeds the protective film 214 onto the wire, and after the film cutting mechanism 300 cuts the wire of a preset length, the film wrapping servo motor 410 drives the film wrapping wheel 430 to rotate, and the film wrapping wheel 430 rotates with the wire and the protective film 214, thereby wrapping the protective film 214 on the surface of the wire. In the present application, the protective film coil is supported by the pneumatic shaft in the film feeding mechanism, the protective film is fed to the film wrapping wheel in the film wrapping mechanism by the film feeding cylinder, and the protective film is cut by the film cutting mechanism, and finally the cut protective film is automatically wrapped on the surface of the wire by the film wrapping servo motor. Therefore, in the present application, through the cooperation between the film feeding mechanism, the film cutting mechanism and the film wrapping mechanism, the film feeding, film cutting and film wrapping operations can be automatically realized, with a high degree of automation, good dimensional stability of the film wrapping, and high efficiency of the film wrapping, which is conducive to large-scale industrial processing.

[0036] like Figure 1 , Figure 4-5 As shown, the film feeding mechanism 200 includes a first support frame 210, a second support frame 220 and a third support frame 230. The first support frame 210 and the second support frame 220 are fixed on the support platform 110, the third support frame 230 is slidably mounted on the support platform 110, the inflatable shaft 211 is rotatably mounted on the first support frame 210, a positioning ring 212 is provided on one side of the inflatable shaft 211, a rotatable roller 221 is provided on the second support frame 220, and the film feeding cylinder 235 and the film cutting mechanism 300 are mounted on the third support frame 230. The second support frame 220 is located between the first support frame 210 and the third support frame 230, and the protective film 214 is unwound to the film wrapping wheel 430 through the roller 221. When the protective film roll 213 is sleeved on the inflatable shaft 211, one side is close to the positioning ring 212, and the protective film roll 213 is tightened after the inflatable shaft 211 is inflated to prevent the protective film roll 213 from falling off the inflatable shaft 211. The third support frame 230 can slide along the support platform 110 to adjust the position of the film cutting mechanism 300.

[0037] like Figure 2 and Figure 5 As shown, the support table 110 is fixed with a first guide rail 111, the third support frame 230 is placed on the first guide rail 111, and the third support frame 230 is connected to a clearance cylinder 240 and an oil pressure buffer 241, and the clearance cylinder 240 can drive the third support frame 230 to slide along the first guide rail 111. The first support frame 210 is installed at the front end of the support table 110, the film wrapping mechanism 400 is installed at the rear end of the support table 110, the first guide rail 111 is installed in the middle of the workbench, and the arrangement direction of the first guide rail 111 is arranged along the front and rear direction of the support table 110, and the clearance cylinder 240 can drive the third support frame 230 to run forward and backward along the first guide rail 111 to ensure that when the protective film 214 needs to be cut, the film cutting mechanism 300 can be located at the film cutting position to cut the protective film 214. When the air cylinder 240 drives the third support frame 230 to operate, the oil pressure buffer 241 is used to buffer and protect the third support frame 230 .

[0038] like Figure 2 and Figure 5As shown, the third support frame 230 is provided with a base 231, the base 231 is provided with a second guide rail 232, the second guide rail 232 is slidably mounted with a bottom plate 236, the bottom plate 236 is provided with a limit bar 233 and a first film pressing cylinder 234, the film feeding cylinder 235 is installed on the base 231, and the film feeding cylinder 235 can drive the bottom plate 236 to slide along the second guide rail 232. At the beginning, the protective film 214 is manually pulled to the film wrapping wheel 430 through the limit bar 233, and is manually pre-cut, and the pre-cut film is cleaned to complete the positioning of the film. When feeding the film, the film cutting mechanism 300 is transported to a preset position by using the yielding cylinder 240, and then the first film pressing cylinder 234 is used to press the protective film 214 on the bottom plate 236 downward, and the film feeding cylinder 235 drives the bottom plate 236 to drive the protective film 214 to move toward the film wrapping wheel 430, that is, the protective film 214 moves forward a set length, thereby completing the film feeding process.

[0039] like Figure 6-8 As shown, the film cutting mechanism 300 includes an upper cutter cylinder 310 and a lower cutter cylinder 330, both of which are fixedly mounted on the third support frame 230, the upper cutter cylinder 310 is connected to the upper cutter 320, the lower cutter cylinder 330 is connected to the lower cutter 340, and there is a gap between the upper cutter 320 and the lower cutter 340 for the protective film 214 to pass through. The upper cutter cylinder 310 and the lower cutter cylinder 330 are vertically mounted on the third support frame 230, and the upper cutter cylinder 310 is mounted above the lower cutter cylinder 330, the upper cutter 320 is connected to the piston rod below the upper cutter cylinder 310, the lower cutter 340 is connected to the piston rod above the lower cutter cylinder 330, and the protective film 214 passes through the gap between the upper cutter 320 and the lower cutter 340. The film cutting mechanism 300 moves to the film cutting position under the action of the yielding cylinder 240 , the upper cutter 320 moves downward under the action of the upper cutter cylinder 310 , and the lower cutter 340 moves upward under the action of the lower cutter cylinder 330 to cut off the protective film 214 .

[0040] like Fig.11 As shown, an open groove 431 is provided on the film wrapping wheel 430, an upper tongue plate 432 and a lower tongue plate 433 are provided in the open groove 431, an accommodating cavity is provided between the upper tongue plate 432 and the lower tongue plate 433, the upper tongue plate 432 is fixedly mounted on the film wrapping wheel 430, and the lower tongue plate 433 is movably mounted on the film wrapping wheel 430.

[0041] The lower tongue plate 433 is connected to the lower tongue opening cylinder 440 and the return spring 434. The lower tongue opening cylinder 440 can drive the lower tongue plate 433 to move in a direction away from the upper tongue plate 432, and the return spring 434 is used to return the lower tongue plate 433. The wire is passed through the accommodating cavity of the upper tongue plate 432 and the lower tongue plate 433. Before the film is sent, the lower tongue plate opening cylinder 440 drives the lower tongue plate 433 downward, and the return spring 434 is compressed, that is, the lower tongue plate 433 is opened to facilitate film sending, and then the film sending cylinder 235 passes the protective film 214 through the accommodating cavity between the upper tongue plate 432 and the lower tongue plate 433. When the lower tongue plate opening cylinder 440 releases the lower tongue plate 433, the return spring 434 drives the lower tongue plate 433 to return, so that the protective film 214 is closely attached to the surface of the wire.

[0042] like Fig. 9 As shown, the film wrapping mechanism 400 further includes a fourth support frame 420, the film wrapping wheel 430 is rotatably mounted on the fourth support frame 420, the film wrapping servo motor 410 is mounted on the support platform 110, and the film wrapping servo motor 410 is connected to the film wrapping wheel 430 via a pulley assembly 411. The film wrapping wheel 430 is rotatably mounted on the fourth support frame 420 via a rotating shaft, the film wrapping servo motor 410 drives the pulley assembly 411 to rotate, and the pulley assembly 411 drives the film wrapping wheel 430 to rotate, so that the protective film 214 is covered on the surface of the wire.

[0043] like Fig. 9 and Fig.10As shown, the film wrapping mechanism 400 also includes a second film pressing cylinder 450, a wire positioning cylinder 460 and a film wrapping wheel positioning cylinder 470. A wire positioning cylinder 460 is provided on both sides of the film wrapping wheel 430, and the wire positioning cylinder 460 is connected to a pair of clamps 461, and the wire positioning cylinder 460 clamps the wire through the clamps 461. The second film pressing cylinder 450 is used to fix the protective film 214 from below the protective film 214. The film wrapping wheel positioning cylinder 470 is connected to a positioning rod 471, and the film wrapping wheel positioning cylinder 470 fixes the film wrapping wheel 430 through the positioning rod 471. The second film pressing cylinder 450 is located below the film wrapping wheel 430 and can fix the protective film 214 from below. When the wire is transferred to the right place, the wire positioning cylinders 460 on both sides of the film wrapping wheel 430 clamp the wire with a pair of clamping claws 461 to facilitate accurate film feeding; when the film feeding is completed, the clamping claws 461 release the wire to facilitate film wrapping of the wire; film wrapping wheel 430 is provided with film wrapping wheel positioning cylinders 470 on both sides, and the film wrapping wheel positioning cylinders 470 are located below the film wrapping wheel 430. During the film feeding process, the film wrapping wheel positioning cylinder 470 drives the positioning rod 471 to extend and support the film wrapping wheel 430 to position the film wrapping wheel 430; after the film feeding process, the film wrapping wheel positioning cylinder 470 drives the positioning rod 471 to retract to facilitate the rotation of the film wrapping wheel 430.

[0044] like Figure 3 As shown, a support plate 120 is fixedly provided on the frame 100, a positioning member 121 is fixedly provided on the support plate 120, and a positioning hole 122 for the wire to pass through is provided on the positioning member 121. The support plate 120 is arranged in parallel with the support platform 110, the positioning member 121 is flush with the clamping jaws 461 of the wire positioning cylinder 460, and the positioning member 121 is located between the two clamping jaws 461, and the wire is inserted into the gap between the two clamping jaws 461 through the positioning hole 122 of the positioning member 121, and finally enters the accommodating cavity between the upper tongue plate 432 and the lower tongue plate 433.

[0045] The operating method of the automatic film cutting and wrapping device comprises the following steps:

[0046] Step 1: The wire passes through the positioning hole 122 of the positioning member 121 through the external conveying mechanism and enters the accommodating cavity between the upper tongue plate 432 and the lower tongue plate 433;

[0047] Step 2: The protective film roll 213 is sleeved on the inflatable shaft 211, with one side close to the positioning ring 212, and the inflatable shaft 211 is inflated to tighten the protective film roll 213;

[0048] Step 3: manually pull the protective film 214 in the protective film roll 213 to the film wrapping wheel 430 through the limiting strip 233, and manually pre-cut it, clean up the pre-cut film, and complete the film positioning;

[0049] Step 4: The wire positioning cylinder 460 clamps the wire with a pair of clamping claws 461, and the film wrapping wheel positioning cylinder 470 drives the positioning rod 471 to extend and press against the film wrapping wheel 430 to position the film wrapping wheel 430;

[0050] Step 5: Use the yield cylinder 240 to transport the film cutting mechanism 300 to a preset position, then use the first film pressing cylinder 234 to press the protective film 214 on the bottom plate 236 downward, and the lower tongue plate opening cylinder 440 drives the lower tongue plate 433 downward, and the lower tongue plate 433 opens;

[0051] Step 6: The film feeding cylinder 235 drives the bottom plate 236 to drive the protective film 214 to move toward the film wrapping wheel 430, that is, the protective film moves forward by a set length, and the protective film 21 enters the upper tongue plate 432 and the lower tongue plate 433, thereby completing the film feeding process;

[0052] Step 7: The second film pressing cylinder 450 moves upward to fix the protective film 214 from below, and the film cutting mechanism 300 uses the upper cutter 320 and the lower cutter 340 to cut the protective film 214;

[0053] Step 8: The first film pressing cylinder 234 is reset, and the film cutting mechanism 300 is reset by the yielding cylinder 240, waiting for the next action, and the lower tongue plate opening cylinder 440 releases the lower tongue plate 433, and the lower tongue plate 433 is reset, so that the cut protective film 214 is closely attached to the wire;

[0054] Step 9: The second film pressing cylinder 450 releases the protective film 214 , the wire positioning cylinder 460 releases the wire, and the film wrapping wheel positioning cylinder 470 releases the film wrapping wheel 430 ;

[0055] Step 10: The film wrapping servo motor 410 drives the film wrapping wheel 430 to rotate, and the film wrapping wheel 430 rotates with the wire and the protective film 214, so that the protective film 214 is wrapped on the surface of the wire.

[0056] It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, and these modifications and improvements are all within the scope of protection of the present application. Therefore, the scope of protection of the patent of the present application shall be subject to the attached claims.

Claims

1. An automatic film cutting and wrapping device for wire, characterized in that: The invention comprises a frame (100), a film feeding mechanism (200), a film cutting mechanism (300) and a film wrapping mechanism (400); a support platform (110) is fixedly provided on the frame (100); the film feeding mechanism (200), the film cutting mechanism (300) and the film wrapping mechanism (400) are installed on the support platform (110); the film feeding mechanism (200) comprises an air shaft (211) and a film feeding cylinder (235); the film wrapping mechanism (400) comprises a film wrapping servo motor (410); ) and a film wrapping wheel (430), the inflatable shaft (211) is used to support the protective film coil (213), the film feeding cylinder (235) is used to feed the protective film (214) in the protective film coil (213) onto the wire in the film wrapping wheel (430), the film cutting mechanism (300) is used to cut the protective film (214), and the film wrapping servo motor (410) is used to drive the film wrapping wheel (430) to rotate so as to wrap the cut protective film (214) on the surface of the wire.

2. The automatic film cutting and wrapping device for wire according to claim 1, characterized in that: The film feeding mechanism (200) includes a first support frame (210), a second support frame (220) and a third support frame (230), wherein the first support frame (210) and the second support frame (220) are fixed on the support platform (110), the third support frame (230) is slidably installed on the support platform (110), the inflatable shaft (211) is rotatably installed on the first support frame (210), a positioning ring (212) is provided on one side of the inflatable shaft (211), a rotatable roller (221) is provided on the second support frame (220), and the film feeding cylinder (235) and the film cutting mechanism (300) are installed on the third support frame (230).

3. The automatic film cutting and wrapping device for wire according to claim 2, characterized in that: A first guide rail (111) is fixedly provided on the support platform (110), and the third support frame (230) is placed on the first guide rail (111). The third support frame (230) is connected to a yield cylinder (240) and an oil pressure buffer (241), and the yield cylinder (240) can drive the third support frame (230) to slide along the first guide rail (111).

4. The automatic film cutting and wrapping device for wire according to claim 2, characterized in that: The third support frame (230) is provided with a base (231), the base (231) is provided with a second guide rail (232), a bottom plate (236) is slidably mounted on the second guide rail (232), a limit strip (233) and a first film pressing cylinder (234) are provided on the bottom plate (236), the film sending cylinder (235) is installed on the base (231), and the film sending cylinder (235) can drive the bottom plate (236) to slide along the second guide rail (232).

5. The automatic film cutting and wrapping device for wire according to claim 2, characterized in that: The film cutting mechanism (300) comprises an upper cutter cylinder (310) and a lower cutter cylinder (330), wherein the upper cutter cylinder (310) and the lower cutter cylinder (330) are both fixedly mounted on the third support frame (230), the upper cutter cylinder (310) is connected to the upper cutter (320), and the lower cutter cylinder (330) is connected to the lower cutter (340), and a gap is provided between the upper cutter (320) and the lower cutter (340) for the protective film (214) to pass through.

6. The automatic film cutting and wrapping device for wire according to claim 1, characterized in that: The film wrapping wheel (430) is provided with an open groove (431), an upper tongue plate (432) and a lower tongue plate (433) are provided in the open groove (431), an accommodating cavity is provided between the upper tongue plate (432) and the lower tongue plate (433), the upper tongue plate (432) is fixedly mounted on the film wrapping wheel (430), and the lower tongue plate (433) is movably mounted on the film wrapping wheel (430).

7. The automatic film cutting and wrapping device for wire according to claim 6, characterized in that: The lower tongue plate (433) is connected to a lower tongue opening cylinder (440) and a reset spring (434). The lower tongue opening cylinder (440) can drive the lower tongue plate (433) to move in a direction away from the upper tongue plate (432). The reset spring (434) is used to reset the lower tongue plate (433).

8. The automatic film cutting and wrapping device for wire according to claim 1, characterized in that: The film wrapping mechanism (400) further includes a fourth support frame (420), the film wrapping wheel (430) is rotatably mounted on the fourth support frame (420), the film wrapping servo motor (410) is mounted on the support platform (110), and the film wrapping servo motor (410) is connected to the film wrapping wheel (430) via a pulley assembly (411).

9. The automatic film cutting and wrapping device for wire according to claim 1, characterized in that: The film wrapping mechanism (400) further comprises a second film pressing cylinder (450), a wire positioning cylinder (460) and a film wrapping wheel positioning cylinder (470). A wire positioning cylinder (460) is provided on both sides of the film wrapping wheel (430), respectively. The wire positioning cylinder (460) is connected to a pair of clamping claws (461), and the wire positioning cylinder (460) clamps and fixes the wire through the clamping claws (461). The second film pressing cylinder (450) is used to fix the protective film (214) from below the protective film (214). The film wrapping wheel positioning cylinder (470) is connected to a positioning rod (471), and the film wrapping wheel positioning cylinder (470) fixes the film wrapping wheel (430) through the positioning rod (471).

10. The automatic film cutting and wrapping device for wire according to claim 1, characterized in that: A support plate (120) is fixedly provided on the frame (100), a positioning piece (121) is fixedly provided on the support plate (120), and a positioning hole (122) for the wire to pass through is provided on the positioning piece (121).

Images