Cutting equipment for plastic protective film

Abstract

The utility model discloses cutting equipment for a plastic protective film, which comprises a working table, a support and a cross rod, the support is fixed at the lower end of the working table, the cross rod is fixed on the side wall of the working table, the cross rod is provided with a driving distance adjusting mechanism, the driving distance adjusting mechanism is connected with a rotating shaft, the rotating shaft is fixedly provided with a supporting rotating drum, and the supporting rotating drum is connected with the supporting rotating drum. The cutting distance adjusting mechanism is arranged on the supporting rotary drum, the upper end of the workbench is rotationally connected with an upper guide roller, a conveying belt is arranged on the side wall of the support and arranged below a lower guide roller, and the driving distance adjusting mechanism comprises a sliding groove, a limiting sliding block, a U-shaped connecting piece and an electric push rod. The cutting distance adjusting mechanism comprises a two-way screw rod, a movable sliding ring, a supporting rod, a supporting plate and a cutting blade. The utility model belongs to the technical field of protective film cutting, and particularly relates to cutting equipment for a plastic protective film.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of protective film cutting, and specifically relates to a cutting equipment for plastic protective film. BACKGROUND

[0002] The plastic product protective film is made of plastic, adhesive, rubber or other materials, and is a thin film for being attached to the surface of an article to play a protective role. During production, the finished protective film needs to be cut into protective films of different lengths according to different requirements.

[0003] The existing protective film production material cutting device, such as the material cutting device for plastic product protective film production disclosed in application No. CN202122331486.5, can conveniently store the protective film body through the winding assembly, cut the protective film body through the cutting assembly, and conveniently store the protective film body of appropriate length through the winding assembly. The cutting equipment for plastic protective film is designed to be reasonable, practical, simple to operate, stable in structure, flexible in operation, and high in working efficiency.

[0004] However, in actual use, the lifting type cutting blade used in the prior art has a complex cutting action and needs to be frequently lifted, which not only cannot realize the rapid conveying of the protective film, but also needs the protective film to be stopped during cutting to ensure the accuracy, and the overall cutting production efficiency is low. Therefore, we propose a cutting equipment for plastic protective film to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a cutting equipment for plastic protective film, which effectively solves the problem that the reciprocating cutting cutter of the existing cutting equipment for plastic protective film is not convenient for cutting during the rapid conveying of the protective film, resulting in frequent stopping and low cutting efficiency.

[0006] The technical scheme adopted by the utility model is as follows: the utility model provides a cutting equipment for plastic protective film, which comprises a workbench, a support and a cross bar, the support is fixed to the lower end of the workbench, the cross bar is fixed to the side wall of the workbench, a driving distance adjusting mechanism is arranged on the cross bar, a rotating shaft is connected to the driving distance adjusting mechanism, a supporting rotating drum is fixed to the rotating shaft and coaxially arranged with the rotating shaft, and a cutting distance adjusting mechanism is arranged on the supporting rotating drum.

[0007] As an improvement of the present scheme, the upper end of the workbench is rotatably connected with an upper material guiding roller, the lower end of the middle of the cross bar is fixed with a side plate, the side plate is rotatably connected with a lower material guiding roller, the upper material guiding roller and the lower material guiding roller are arranged in parallel, a conveying belt is arranged on the side wall of the support and below the lower material guiding roller.

[0008] As improved in the scheme, the driving distance adjusting mechanism comprises a sliding groove, a limiting sliding block, a U-shaped connecting piece and an electric push rod, the sliding groove is arranged on the cross bar, the limiting sliding block is slidingly connected to the sliding groove, the U-shaped connecting piece is fixed to the side of the limiting sliding block, one end of the electric push rod is arranged on the cross bar, and the other end of the electric push rod is connected to the U-shaped connecting piece.

[0009] As improved in the scheme, the cutting distance adjusting mechanism comprises a bidirectional screw, a moving sliding ring, a supporting rod, a supporting plate and a cutting blade, the bidirectional screw is rotationally connected to the supporting cylinder and coaxially arranged with the supporting cylinder, the moving sliding ring is slidingly connected to the supporting cylinder and threadedly connected to the bidirectional screw, one end of the supporting rod is rotationally connected to the moving sliding ring, the other end of the supporting rod penetrates the side wall of the supporting cylinder and can slide relative to the side wall of the supporting cylinder, the supporting plate is parallelly and uniformly arranged on the outside of the supporting cylinder along the circumferential direction and rotationally connected to the supporting rod, the cutting blade is fixed to the supporting plate through bolts, and rotating blocks are fixed to the two ends of the bidirectional screw.

[0010] As improved in the scheme, the middle of the side end of the workbench is provided with a fixing frame, a belt pulley one is rotationally connected to the inner wall of the fixing frame, a belt pulley two is rotationally connected to the inner wall of the U-shaped connecting piece, the belt pulley two and the belt pulley one are connected through a transmission belt, the supporting cylinder is rotationally connected to the limiting sliding block and connected to the belt pulley two through the limiting sliding block and the U-shaped connecting piece.

[0011] As improved in the scheme, the belt pulley one is provided with two groups, one side of the two groups of belt pulleys one is respectively fixedly connected with a transmission gear, the two groups of transmission gears are meshed with each other, a driving motor is fixedly arranged on the side wall of the fixing frame, and the output shaft of the driving motor penetrates the fixing frame and is connected with the transmission gears.

[0012] As improved in the scheme, the electric push rod is vertically arranged with the supporting cylinder, and the cutting distance adjusting mechanism is arranged between the lower material guide roller and the upper material guide roller.

[0013] As improved in the scheme, the supporting cylinder is in the form of a hollow cylinder and is provided with a rectangular through hole on the side wall of the two ends, the cross section of the rotating block is in the form of a regular hexagon, and the cross section of the limiting sliding block is in the form of H.

[0014] The beneficial effects achieved by the above structure are as follows:

[0015] 1. The structure design of the roller cutting knife can cut while quickly conveying the protective film, avoids the problem of low cutting efficiency caused by stopping, is smooth in action, simple in operation, adjustable in overall structure and wide in application range;

[0016] 2, and is equipped with cutting distance adjusting mechanism, through rotating bidirectional screw rod, make mobile sliding ring slide, thereby change the angle of support rod, realize the change of support plate and cutting blade position on it, cooperate drive distance adjusting mechanism, change the distance of roll cutting knife, can adapt to different size protective film cutting requirement. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The whole structure schematic view of the cutting equipment for plastic protective film is provided in the utility model;

[0018] Figure 2 The cutting equipment for plastic protective film is provided in the utility model;

[0019] Figure 3 The structure schematic view of the inside of the fixed frame component of the embodiment is provided;

[0020] Figure 4 The structure schematic view of the cutting distance adjusting mechanism component of the embodiment is provided.

[0021] Wherein, 1, workbench; 2, support; 3, cross bar; 4, drive distance adjusting mechanism; 5, rotating shaft; 6, support rotating cylinder; 7, cutting distance adjusting mechanism; 8, upper material guide roller; 9, side plate; 10, lower material guide roller; 11, conveying belt; 12, sliding groove; 13, limit sliding block; 14, U-shaped connecting piece; 15, electric push rod; 16, bidirectional screw rod; 17, mobile sliding ring; 18, support rod; 19, support plate; 20, cutting blade; 21, rotating block; 22, fixed frame; 23, pulley one; 24, pulley two; 25, transmission belt; 26, transmission gear; 27, drive motor.

[0022] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation of the utility model. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of the utility model protection.

[0024] As Figure 1 , Figure 2 , Figure 3 And Figure 4The utility model provides a cutting equipment for plastic protective film, including work table 1, support 2 and crosspiece 3, support 2 is fixed in the lower end of work table 1, and crosspiece 3 is fixed on the side wall of work table 1, is equipped with drive distance adjusting mechanism 4 on crosspiece 3, is connected with the shaft 5 on drive distance adjusting mechanism 4, is fixed with the support rotating cylinder 6 on the shaft 5, and support rotating cylinder 6 is coaxial with the shaft 5 and is arranged, is equipped with the distance adjustment mechanism 7 on support rotating cylinder 6, the upper end of work table 1 is rotatably connected with the upper material guiding roller 8, the lower end of the middle of crosspiece 3 is fixed with the side plate 9, and the side plate 9 is rotatably connected with the lower material guiding roller 10, and the upper material guiding roller 8 and the lower material guiding roller 10 are parallelly arranged, and the side wall of support 2 is equipped with the conveyer belt 11, and the conveyer belt 11 is equipped below the lower material guiding roller 10.

[0025] In order to adjust the distance between the components on the distance adjustment mechanism 7, the drive distance adjusting mechanism 4 includes a sliding groove 12, a limiting sliding block 13, a U-shaped connecting piece 14, and an electric push rod 15. The sliding groove 12 is arranged on the crosspiece 3. The limiting sliding block 13 is slidingly connected to the sliding groove 12. The U-shaped connecting piece 14 is fixed to the side surface of the limiting sliding block 13. One end of the electric push rod 15 is arranged on the crosspiece 3. The other end of the electric push rod 15 is connected to the U-shaped connecting piece 14.

[0026] As shown in Figure 2 and Figure 4 , in order to change the cutting distance, the distance adjustment mechanism 7 includes a bidirectional screw 16, a moving sliding ring 17, a support rod 18, a support plate 19, and a cutting blade 20. The bidirectional screw 16 is rotatably connected to the support rotating cylinder 6 and coaxially arranged with the support rotating cylinder 6. The moving sliding ring 17 is slidingly connected to the support rotating cylinder 6 and threadedly connected to the bidirectional screw 16. One end of the support rod 18 is rotatably connected to the moving sliding ring 17. The other end of the support rod 18 penetrates the side wall of the support rotating cylinder 6 and can relatively slide between the side wall of the support rotating cylinder 6. The support plate 19 is parallelly and evenly arranged on the outside of the support rotating cylinder 6 along the circumferential direction and rotatably connected to the support rod 18. The cutting blade 20 is fixed to the support plate 19 by bolts. The two ends of the bidirectional screw 16 are fixed with rotating blocks 21.

[0027] As shown in Figure 1 and Figure 3 , a fixed frame 22 is arranged in the middle of the side end of the work table 1. A belt pulley one 23 is rotatably connected to the inner wall of the fixed frame 22. A belt pulley two 24 is rotatably connected to the inner wall of the U-shaped connecting piece 14. The belt pulley two 24 and the belt pulley one 23 are connected by a transmission belt 25. The support rotating cylinder 6 is rotatably connected to the limiting sliding block 13 and penetrates the limiting sliding block 13 and the U-shaped connecting piece 14 to be connected to the belt pulley two 24.

[0028] As shown in Figure 3As shown, the belt pulley one 23 is provided with two groups, and one side of the two groups of belt pulley one 23 is fixedly connected with transmission gear 26, the transmission gear 26 is meshed with each other, the side wall of the fixed frame 22 is fixedly connected with the driving motor 27, the output shaft of the driving motor 27 penetrates the fixed frame 22 and is connected with the transmission gear 26.

[0029] As shown in Figure 2 and Figure 4 The electric push rod 15 is vertically arranged with the supporting drum 6, the cutting distance adjusting mechanism 7 is arranged between the lower material guide roller 10 and the upper material guide roller 8; the supporting drum 6 is arranged as a hollow cylinder and the side walls at both ends are provided with rectangular through holes, the cross section of the rotating block 21 is arranged as a regular hexagon, and the cross section of the limiting sliding block 13 is arranged as an H type.

[0030] In specific use, the protective film is passed through the middle of the upper material guide roller 8, then passed through the cutting distance adjusting mechanism 7, and then passed through the lower material guide roller 10, the driving motor 27 is turned on to drive the transmission gear 26 to rotate, the belt pulley one 23 connected with the transmission gear 26 drives the belt pulley two 24 to rotate through the transmission belt 25, the rotating shaft 5 connected with the belt pulley two 24 drives the supporting drum 6 and each component thereon to rotate, the protective film passed through the middle is cut by the cutting blade 20 through the relative rotation of the supporting drum 6 and each component thereon, and the cut film falls onto the conveying belt 11 through the lower material guide roller 10, when it is needed to change the cutting length of the protective film, the transmission belt 25 is removed, the electric push rod 15 is controlled to extend or shorten, the U-shaped connecting piece 14 and each component thereon are driven to slide along the sliding groove 12 under the action of the limiting sliding block 13, at the same time, the rotating block 21 is rotated through the through holes at both ends of the supporting drum 6, the bidirectional screw rod 16 is rotated, the moving sliding ring 17 threaded on the bidirectional screw rod 16 slides along the inner wall of the supporting drum 6 under the limiting of the supporting rod 18, so that the angle of the supporting rod 18 is changed, the supporting plate 19 connected with the supporting rod 18 changes the distance from the supporting drum 6, and then the distance between the two adjacent cutting blade 20 is changed, the cutting distance is adjusted through the above steps, and the above is the use process of the cutting equipment for the plastic protective film.

[0031] The above describes the utility model and its implementation, which is not limited, and the drawings shown are only one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the creative purpose of the utility model, similar structure and embodiments are designed without creativity, which should belong to the protection scope of the utility model.

Claims

1. A cutting device for plastic protective film, comprising a workbench (1), a bracket (2) and a crossbar (3), wherein the bracket (2) is fixed to the lower end of the workbench (1), and the crossbar (3) is fixed to the side wall of the workbench (1), characterized in that: The crossbar (3) is provided with a driving distance adjustment mechanism (4), the driving distance adjustment mechanism (4) is connected to a rotating shaft (5), a supporting rotating drum (6) is fixed on the rotating shaft (5), and the supporting rotating drum (6) and the rotating shaft (5) are coaxially arranged, and a cutting distance adjustment mechanism (7) is provided on the supporting rotating drum (6). The upper end of the workbench (1) is rotatably connected to an upper guide roller (8), the lower end of the middle of the crossbar (3) is fixed with a side plate (9), and the side plate (9) is rotatably connected to a lower guide roller (10), the upper guide roller (8) and the lower guide roller (10) are arranged in parallel, and a conveyor belt (11) is provided on the side wall of the bracket (2), and the conveyor belt (11) is arranged below the lower guide roller (10).

2. The cutting device for plastic protective film according to claim 1, characterized in that: The driving distance adjustment mechanism (4) comprises a slide groove (12), a limiting slider (13), a U-shaped connector (14) and an electric push rod (15); the slide groove (12) is arranged on the cross bar (3); the limiting slider (13) is slidably connected to the slide groove (12); the U-shaped connector (14) is fixed to the side of the limiting slider (13); one end of the electric push rod (15) is arranged on the cross bar (3); and the other end of the electric push rod (15) is connected to the U-shaped connector (14).

3. The cutting device for plastic protective film according to claim 2, characterized in that: The cutting distance adjustment mechanism (7) includes a bidirectional screw (16), a movable slip ring (17), a support rod (18), a support plate (19) and a cutting blade (20), wherein the bidirectional screw (16) is rotatably connected to the support drum (6) and is coaxially arranged with the support drum (6), the movable slip ring (17) is slidably connected to the support drum (6) and is threadedly connected to the bidirectional screw (16), one end of the support rod (18) is rotatably connected to the movable slip ring (17), the other end of the support rod (18) passes through the side wall of the support drum (6) and can slide relative to the side wall of the support drum (6), the support plate (19) is evenly distributed on the outer side of the support drum (6) in parallel along the circumferential direction and is rotatably connected to the support rod (18), the cutting blade (20) is fixed to the support plate (19) by bolts, and rotating blocks (21) are fixed at both ends of the bidirectional screw (16).

4. The cutting device for plastic protective film according to claim 3, characterized in that: A fixed frame (22) is provided in the middle of the side end of the workbench (1), and a pulley 1 (23) is rotatably connected to the inner wall of the fixed frame (22). A pulley 2 (24) is rotatably connected to the inner wall of the U-shaped connecting piece (14). The pulley 2 (24) and the pulley 1 (23) are connected via a transmission belt (25). The supporting drum (6) is rotatably connected to the limiting slider (13) and penetrates the limiting slider (13) and the U-shaped connecting piece (14) to be connected to the pulley 2 (24).

5. The cutting device for plastic protective film according to claim 4, characterized in that: The pulleys (23) are provided with two groups, and one side of the two groups of pulleys (23) is fixedly connected with a transmission gear (26), and the two groups of transmission gears (26) are meshed with each other. A driving motor (27) is fixed on the side wall of the fixed frame (22), and the output shaft of the driving motor (27) passes through the fixed frame (22) and is connected with the transmission gear (26).

6. The cutting device for plastic protective film according to claim 5, characterized in that: The electric push rod (15) is arranged vertically to the supporting drum (6), and the cutting distance adjustment mechanism (7) is arranged between the lower guide roller (10) and the upper guide roller (8).

7. The cutting device for plastic protective film according to claim 6, characterized in that: The supporting drum (6) is configured as a hollow cylinder with rectangular through holes provided on the side walls at both ends. The cross section of the rotating block (21) is configured as a regular hexagon, and the cross section of the limiting slider (13) is configured as an H-shape.

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