PET (Polyethylene Terephthalate) cover film cutting device
By introducing a lead screw and slide plate structure into the PET cover film cutting device, combined with an electric push rod and guide wheel sensor, the problems of film wrinkling and inaccurate cutting during the cutting process are solved, achieving a smooth cut and precise length cutting.
Patent Information
- Application Number
- CN202423028309.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing PET cover film cutting devices are prone to blade jamming and film wrinkling during cutting, resulting in uneven cuts and inaccurate cutting lengths, which affects the quality of the output.
The system employs a lead screw and slide plate structure. A second motor drives the lead screw to rotate, enabling the slide plate and cutting blade to move longitudinally. An electric push rod drives the connecting plate and pressure rod to press the film. Combined with guide wheels and contact sensors, quantitative cutting is achieved.
It effectively prevents film wrinkling, ensures smooth cutting, and produces clean cuts, guaranteeing the quality of output materials and the accuracy of cutting length.
Smart Images
Figure CN223573251U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of covering film, specifically is a PET covering film cutting device. BACKGROUND
[0002] PET film is a kind of comprehensive performance packaging film.Its transparency is good, has luster;With good airtightness and keep aroma;Moisture resistance is medium, at low temperature, the moisture permeability drops, the mechanical property of PET film is excellent, its tenacity is the best in all thermoplastics, tensile strength and impact strength are much higher than general film;And good stiffness, dimensional stability, suitable for printing, paper bag and other secondary processing, PET film also has excellent heat resistance, cold resistance and good chemical resistance and oil resistance.
[0003] The existing PET covering film cutting device is prone to knife jamming, film wrinkling and uneven cut during cutting due to the thin PET covering film, affecting the discharge quality, and manual visual inspection is usually used for cutting, resulting in inaccurate cutting length each time, and therefore a PET covering film cutting device is provided. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of PET covering film cutting device to solve the problem of the existing PET covering film cutting device in the above background technique, which is prone to knife jamming, film wrinkling and uneven cut during cutting due to the thin PET covering film, affecting the discharge quality, and manual visual inspection is usually used for cutting, resulting in inaccurate cutting length each time.
[0005] To achieve the above object, the utility model provides following technical scheme: a PET cover film cutting device, including casing, support block, support plate, second recess, stand and cutting table, the support block fixed connection in the inner chamber bottom of casing, the support plate fixed connection in the top left rear side of support block, the second recess opens in the top middle part of support block, the stand fixed connection in the top right side front and back of support block, the cutting table fixed connection in the top right side middle part of support block, the inner side wall upper side of stand is connected with screw rod between rotation, the outer side wall screw thread of screw rod is connected with sliding plate, the inner side wall upper side of stand is fixedly connected with limit rod, and the sliding plate is connected in the outer side wall of limit rod sliding, the rear side wall of rear side stand is fixedly connected with second motor, and the output gear of second motor is engaged with the connecting gear of screw rod, the front side wall of sliding plate is fixedly connected with electric push rod, the output end of electric push rod is fixedly connected with connecting plate, the left side wall front and back of connecting plate is penetrated with cross bar, and the cross bar extends to the right side of connecting plate, the bottom left and right sides of cross bar are fixedly connected with telescopic link, the outer side wall sleeve of telescopic link is connected with spring, the outer side wall lower side of telescopic link is fixedly connected with sliding block, the bottom between telescopic link is fixedly connected with pressure rod, the bottom of connecting plate is fixedly connected with cutting knife, the inner chamber front and back side wall right side of cutting table is opened with sliding slot, and the sliding block is connected in the inner chamber of sliding slot sliding, the cutting groove is opened in the inner chamber bottom right side middle part of cutting table.
[0006] As further description of the above technical scheme:
[0007] The left side wall middle part of casing is opened with feeding port, the right side wall middle part of casing is opened with discharge port, and the left side wall of casing is fixedly connected with winding device.
[0008] As further description of the above technical scheme:
[0009] The top left side middle part of support block is opened with first recess, the inner chamber bottom left side of first recess is fixedly connected with first motor, the inner chamber front and back side wall between first recess is rotatably connected with first roller assembly, and is arranged from left to right in turn, the connecting end between first roller assembly is sleeved with transmission chain, and the output end of first motor is connected with the belt pulley of left first roller assembly through belt.
[0010] As further description of the above technical scheme:
[0011] The front side wall of support plate is rotatably connected with second roller assembly, and is arranged from left to right in turn.
[0012] As further description of the above technical scheme:
[0013] The inner cavity of the second groove is rotationally connected with guide wheels between the front and rear sidewalls, the guide wheels are rotationally connected with a connecting piece, the outer end of the upper guide wheel is fixedly connected with a connecting rod, and the left rear bottom of the inner cavity of the second groove is fixedly connected with a contact sensor.
[0014] As a further description of the above technical solutions:
[0015] The lower right side of the front sidewall of the shell is fixedly connected with a controller, and the controller is electrically connected with the winding device, the first motor, the contact sensor, the second motor and the electric push rod.
[0016] Compared with the prior art, the PET covering film cutting device has the advantages that:
[0017] 1. The PET covering film cutting device is provided with a lead screw and a sliding plate on the stand, the lead screw is driven to rotate by the second motor, the sliding plate, the electric push rod and the cutting knife are longitudinally moved to cut the covering film, the connecting plate, the cross rod, the telescopic rod and the pressing rod are driven downward by the electric push rod to press the film between the cutting knives, wrinkles of the film are effectively avoided, the cutting is smooth, the cut is flat, and the discharge quality is ensured.
[0018] 2. The PET covering film cutting device is provided with guide wheels in front of the cutting table, and the guide wheels are provided with pressing rods, the pressing rods are in contact with the contact sensor by one rotation of the guide wheels, the controller stops the operation of the first motor, the feeding is stopped, and the cutting work is performed, the quantitative cutting of the film is realized, and the cutting length is accurate. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 A three-dimensional structure schematic view of the PET covering film cutting device is provided for the utility model;
[0020] Figure 2 A main view schematic view of the PET covering film cutting device is provided for the utility model;
[0021] Figure 3 A right view schematic view of the supporting block of the PET covering film cutting device is provided for the utility model;
[0022] Figure 4 A Figure 3 Enlarged structure schematic view of A in the utility model.
[0023] In the figure: 100, the shell; 110, the feed inlet; 120, the discharge port; 130, the controller; 140, the winding machine; 200, the support block; 210, the first groove; 220, the first motor; 230, the first roller assembly; 240, the transmission chain; 300, the support plate; 310, the second roller assembly; 400, the second groove; 410, the connecting piece; 420, the guide wheel; 430, the connecting rod; 440, the contact sensor; 500, the column; 510, the screw rod; 520, the sliding plate; 530, the limiting rod; 540, the second motor; 550, the electric push rod; 560, the connecting plate; 570, the cross rod; 571, the telescopic rod; 572, the sliding block; 573, the spring; 580, the pressing rod; 590, the cutting knife; 600, the cutting table; 610, the sliding groove; 620, the cutting groove. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0025] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the features limited as "first" and "second" can be explicitly or implicitly included one or more of the features. In the description of the present application, unless otherwise specified and limited, the term "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0026] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0027] The utility model provides a PET covering film cutting device, effectively avoid film wrinkle, cut smoothly, cutout is even, has guaranteed the discharge quality, cutting length is accurate, please refer to Figures 1-4 , including casing 100, support block 200, support plate 300, second recess 400, stand 500 and cutting table 600,
[0028] Please refer to again Figures 1-2 , casing 100 is used for connecting fixed support block 200, support plate 300, second recess 400, stand 500 and cutting table 600.
[0029] Please refer to again Figures 2-3 , support block 200 is fixedly connected at the inner chamber bottom of casing 100, and support block 200 is used for supporting support plate 300, second recess 400, stand 500 and cutting table 600.
[0030] Please refer to again Figure 3 , support plate 300 is fixedly connected at the top left rear side of support block 200, and support plate 300 is used for connecting rotating second roller assembly 310.
[0031] Please refer to again Figure 2 , second recess 400 is opened in the top middle of support block 200, and second recess 400 is used for connecting rotating guide wheel 420.
[0032] Please refer to again Figures 3-4The inner side wall of the column 500 is rotatably connected between the upper sides of the inner side wall of the column 500. The outer side wall of the lead screw 510 is threadedly connected with the sliding plate 520. The inner side wall of the column 500 is fixedly connected between the upper sides of the inner side wall of the column 500. The sliding plate 520 is slidably connected to the outer side wall of the limiting rod 530. The rear side wall of the rear column 500 is fixedly connected with the second motor 540. The output gear of the second motor 540 is engaged with the connecting gear of the lead screw 510. The front side wall of the sliding plate 520 is fixedly connected with the electric push rod 550. The output end of the electric push rod 550 is fixedly connected with the connecting plate 560. The left side wall of the connecting plate 560 is penetrated by the transverse rod 570. The transverse rod 570 extends to the right side of the connecting plate 560. The bottom of the transverse rod 570 is fixedly connected with the telescopic rod 571. The outer side wall of the telescopic rod 571 is sleeved with the spring 573. The outer side wall of the telescopic rod 571 is fixedly connected with the sliding block 572. The bottom of the telescopic rod 571 is fixedly connected with the pressing rod 580. The bottom of the connecting plate 560 is fixedly connected with the cutting knife 590. The column 500 is fixedly connected to the top right side of the support block 200. The column 500 is used for connecting the lead screw 510 and the limiting rod 530. The limiting rod 530 is used for limiting the sliding plate 520. The lead screw 510 is used for driving the sliding plate 520 to slide forward and backward. The second motor 540 is used for driving the lead screw 510 to rotate. The electric push rod 550 is used for driving the connecting plate 560 and the cutting knife 590 to lift. The connecting plate 560 is used for movably connecting the transverse rod 570. The telescopic rod 571 is used for lifting the cutting knife 590. The sliding block 572 is used for connecting the telescopic rod 571. The sliding block 572 is used for sliding in the sliding groove 610 in cooperation with the telescopic rod 571. The pressing rod 580 is used for clamping the film.
[0033] Please refer again to Figure 2 and Figure 4 The inner cavity of the cutting table 600 is provided with a sliding groove 610 on the right side of the front and rear side walls. The sliding block 572 is slidably connected in the inner cavity of the sliding groove 610. The inner cavity of the cutting table 600 is provided with a cutting groove 620 on the right side of the bottom. The cutting table 600 is fixedly connected to the top right side of the support block 200. The cutting table 600 is used for supporting the film. The cutting groove 620 is used for cutting in cooperation with the cutting knife 590.
[0034] In summary: by setting the lead screw 510 and the sliding plate 520 on the column 500, driving the lead screw 510 to rotate by the second motor 540, realizing the longitudinal movement of the sliding plate 520, the electric push rod 550 and the cutting knife 590 to cut the covering film, driving the connecting plate 560 and the transverse rod 570, the telescopic rod 571 and the pressing rod 580 downward to press the film between the left and right of the cutting knife 590 by the electric push rod 550, effectively avoiding the film wrinkling, cutting smoothly, cutting edge flat, ensuring the quality of the discharge.
[0035] Please refer again to Figures 1-2The left side wall of the shell 100 is provided with an inlet 110, and the right side wall of the shell 100 is provided with an outlet 120.
[0036] Please refer again to Figure 2 The top left side of the support block 200 is provided with a first recess 210, and the inner cavity of the first recess 210 is fixedly connected with a first motor 220 on the left side of the bottom. The first recess 210 is rotatably connected with a first roller assembly 230 between the front and rear side walls of the inner cavity, and the first roller assembly 230 is arranged from left to right. The connecting end of the first roller assembly 230 is sleeved with a transmission chain 240, and the output end of the first motor 220 is connected with the belt pulley of the left first roller assembly 230 through a belt.
[0037] Please refer again to Figure 2 The front side wall of the support plate 300 is rotatably connected with a second roller assembly 310, and the second roller assembly 310 is arranged from left to right.
[0038] Please refer again to Figure 2 The inner cavity of the second recess 400 is rotatably connected with a guide wheel 420 between the front and rear side walls, and the guide wheel 420 is rotatably connected with a connecting piece 410. The outer end of the upper guide wheel 420 is fixedly connected with a connecting rod 430, and the inner cavity of the second recess 400 is fixedly connected with a contact sensor 440 on the left rear side of the bottom.
[0039] Please refer again to Figures 1-4 The front side wall of the shell 100 is fixedly connected with a controller 130 on the right lower side, and the controller 130 is electrically connected with the winding device 140, the first motor 220, the contact sensor 440, the second motor 540 and the electric push rod 550.
[0040] As described above: by setting the guide wheel 420 in front of the cutting table 600, and setting the pressing rod 580 on the guide wheel 420, by rotating the guide wheel 420 one circle, the pressing rod 580 is in contact with the contact sensor 440, the controller 130 stops the operation of the first motor 220, that is, stops the feeding, and performs the cutting work, realizes the quantitative cutting of the film, and the cutting length is accurate.
[0041] In the specific use, the person skilled in the art starts the winding device 140 to guide the film between the first roller assembly 230 and the second roller assembly 310, starts the first motor 220 to drive the first roller assembly 230 to rotate, and sends the film to the guide wheel 420. The guide wheel 420 rotates one circle, so that the pressing rod 580 contacts the contact sensor 440, the controller 130 stops the operation of the first motor 220, that is, stops the feeding, the electric push rod 550 drives the connecting plate 560, the cross rod 570, the telescopic rod 571 and the pressing rod 580 to move downward to press the film between the left and right cutting knives 590, the second motor 540 drives the screw rod 510 to rotate, the sliding plate 520, the electric push rod 550 and the cutting knife 590 move longitudinally to cut the covering film, and the use is completed.
[0042] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0043] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.
Claims
1. A PET cover film cutting apparatus characterized by: Including the shell (100), support block (200), support plate (300), second groove (400), column (500) and cutting table (600), the support block (200) is fixedly connected in the inner chamber bottom of the shell (100), the support plate (300) is fixedly connected in the top left rear side of the support block (200), the second groove (400) is opened in the top middle of the support block (200), the column (500) is fixedly connected in the top right side front and rear of the support block (200), the cutting table (600) is fixedly connected in the top right side middle of the support block (200), the inside wall upper side between the column (500) is rotatably connected with the lead screw (510), the outside wall of the lead screw (510) is threadedly connected with the sliding plate (520), the inside wall upper side between the column (500) is fixedly connected with the limit rod (530), and the sliding plate (520) is slidably connected to the outside wall of the limit rod (530), the rear wall of the rear column (500) is fixedly connected with the second motor (540), and the output gear of the second motor (540) is engaged with the connecting gear of the lead screw (510), the front wall of the sliding plate (520) is fixedly connected with the electric push rod (550), the output end of the electric push rod (550) is fixedly connected with the connecting plate (560), the left wall front and rear of the connecting plate (560) penetrates the cross bar (570), and the cross bar (570) extends to the right side of the connecting plate (560), the bottom left and right sides of the cross bar (570) are fixedly connected with the telescopic rod (571), the outside wall of the telescopic rod (571) is sleeved with the spring (573), the outside wall of the telescopic rod (571) is fixedly connected with the sliding block (572), the bottom of the telescopic rod (571) is fixedly connected with the pressure rod (580), the bottom of the connecting plate (560) is fixedly connected with the cutting knife (590), the inner chamber front and rear wall right side of the cutting table (600) is opened with the sliding groove (610), and the sliding block (572) is slidably connected in the inner chamber of the sliding groove (610), the inner chamber bottom right side middle of the cutting table (600) is opened with the cutting groove (620).
2. The PET cap film cutting device according to claim 1, characterized in that: The left wall middle of the shell (100) is opened with the feeding port (110), the right wall middle of the shell (100) is opened with the discharging port (120), and the left wall of the shell (100) is fixedly connected with the winding device (140).
3. The PET cap film cutting device according to claim 1, characterized in that: The top left middle of the support block (200) is opened with the first groove (210), the inner chamber bottom left of the first groove (210) is fixedly connected with the first motor (220), the inner chamber front and rear wall between the first groove (210) is rotatably connected with the first roller assembly (230), and is arranged from left to right in sequence, the connecting end between the first roller assembly (230) is sleeved with the transmission chain (240), and the output end of the first motor (220) is connected with the belt pulley between the left first roller assembly (230) through the belt.
4. The PET cap film cutting apparatus according to claim 1, wherein: The front side wall of the support plate (300) is rotationally connected with a second roller assembly (310), and the second roller assembly (310) is arranged in sequence from left to right.
5. The PET cap film cutting apparatus according to claim 1, wherein: The inner cavity of the second groove (400) is rotationally connected with a guide wheel (420) between the front and rear side walls, the guide wheels (420) are rotationally connected with a connecting piece (410), the outer end of the upper guide wheel (420) is fixedly connected with a connecting rod (430), and the left rear side of the bottom of the inner cavity of the second groove (400) is fixedly connected with a contact sensor (440).
6. The PET cap film cutting apparatus according to claim 1, wherein: The front side wall of the shell (100) is fixedly connected with a controller (130) at the lower right side, and the controller (130) is electrically connected with the winding device (140), the first motor (220), the contact sensor (440), the second motor (540) and the electric push rod (550).