Composite protective film cutting device

Abstract

The utility model relates to the technical field of composite protective film processing, in particular to a composite protective film cutting device which comprises a cutting table, and a discharging mechanism is arranged on the right side of the upper end of the cutting table. A cutting mechanism is arranged on the left side of the upper end of the cutting table, a pressing mechanism is arranged in the middle of the upper end of the cutting table, and a traction mechanism is arranged at the upper end of the cutting table and located between the cutting mechanism and the pressing mechanism. According to the utility model, the vacuum chuck is used for adsorbing the end of the film, the suction pump is used for enabling the vacuum chuck to generate negative pressure to realize adsorption, excessive external force does not need to be applied to the film, and the damage to the film material can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to composite protection film processing technical field, concretely is a kind of composite protection film cutting device. BACKGROUND

[0002] Composite protection film has wide application in modern industry and daily life, for example in electronic equipment, automobile manufacturing, building material and other fields, for protecting product surface from scratch, corrosion, pollution and other damages.In actual use, composite protection film is often cut according to specific product size and shape to ensure that it can perfectly fit the protected object and provide effective protection function.Therefore, the cutting quality and efficiency of composite protection film are important for the production and development of related industries.

[0003] In existing composite protection film cutting device, pulling mechanism usually adopts clamping mode to realize pulling of film end, and clamping mode is usually through mechanical clamp or clip and other devices to exert certain pressure on the end of film, so that it is fixed on clamp, then mechanical transmission mechanism is driven to move clamp, so as to pull out film.

[0004] However, in order to ensure that film does not slip during pulling, it is necessary to exert large clamping force on film, which is easy to cause damage to composite protection film, especially for some thin or fragile composite protection film, excessive clamping force may cause deformation, tearing or indentation of film, which affects the quality and use performance of protection film. SUMMARY

[0005] The utility model aims at providing a kind of composite protection film cutting device to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of composite protection film cutting device, comprising

[0008] Cutting table is provided with material placing mechanism in the right side of the upper end of the cutting table;

[0009] Cutting mechanism is arranged in the left side of the upper end of the cutting table, and pressing mechanism is arranged in the middle of the upper end of the cutting table, and pulling mechanism is arranged between cutting mechanism and pressing mechanism in the upper end of the cutting table.

[0010] Preferably, the feeding mechanism comprises a frame, the frame is arranged at the right upper corner of the cutting table, a motor one is arranged at the upper back of the frame, a feeding roller is horizontally arranged at the front of the frame, the output shaft of the motor one is fixedly connected with the feeding roller, two bases are symmetrically arranged at the right top of the cutting table, a shaft seat is movably arranged at the middle upper end of the base through a spring, a tension roller is arranged between the shaft seats, and a guide rod movably sleeved with the base is arranged at the middle bottom of the shaft seat.

[0011] Preferably, the cutting mechanism comprises a frame, the frame is arranged at the left upper end of the cutting table, an electric push rod one is arranged at the middle top of the frame, a tool holder is arranged at the output shaft end of the electric push rod one, a cutting knife is arranged at the bottom middle of the tool holder, and a cutting groove is arranged at the upper end of the cutting table and below the cutting knife.

[0012] Preferably, the pressing mechanism comprises a guide frame, the guide frame is symmetrically arranged at the middle of the cutting table, a pressing roller is movably arranged between the guide frames, an electric push rod three is arranged at the outer upper end of the guide frame, a rod groove is formed in the middle of the guide frame, and the two ends of the pressing roller are fixedly connected with the output shaft of the electric push rod three.

[0013] Preferably, the pulling mechanism comprises a rod seat, the rod seat is arranged at the upper end of the cutting table and near the two sides of the frame, a lead screw is movably arranged between the rod seats, a motor two is arranged at the back of the rod seat, the output shaft of the motor two is fixedly connected with the lead screw, a movable block is threadedly connected with the outside of the lead screw, and a movable frame is horizontally arranged between the movable blocks.

[0014] Preferably, the pulling mechanism further comprises an electric push rod two, the electric push rod two is arranged at the middle top of the movable frame, the output shaft of the electric push rod two is fixedly connected with a vacuum suction cup, a suction pump is arranged at the left side of the cutting table, a guide groove is formed at the left side of the cutting table and is in the same straight line with the suction pump, and a bellows is arranged in the guide groove and is in communication with the vacuum suction cup and the suction pump.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The composite protective film cutting device uses a vacuum suction cup to adsorb the film end, generates negative pressure in the vacuum suction cup through the suction pump to realize adsorption, does not need to exert excessive external force on the film, and can effectively avoid damage to the film material.

[0017] 2. The composite protective film cutting device moves the pressing roller downward through the electric push rod, tightly fixes the film material on the cutting table, prevents the film material from moving in the cutting process, and provides a stable cutting environment for the cutting knife. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole main view structure schematic diagram of the utility model;

[0019] Figure 2 It is the whole main view structure schematic diagram of the utility model; Figure 1 It is the enlarged view of A in the utility model;

[0020] Figure 3 It is the whole main view structure schematic diagram of the utility model; Figure 1 It is the enlarged view of B in the utility model;

[0021] Figure 4 It is the whole main view structure schematic diagram of the utility model; Figure 1 It is the enlarged view of C in the utility model.

[0022] In the figure: 1, cutting table; 2, side frame; 3, motor one; 4, feeding roller; 5, base; 6, spring; 7, shaft seat; 8, tension roller; 9, guide rod; 10, rack; 11, electric push rod one; 12, cutter holder; 13, cutter; 14, cutting groove; 15, guide frame; 16, compression roller; 17, electric push rod three; 18, rod groove; 19, rod seat; 20, screw rod; 21, motor two; 22, movable block; 23, movable frame; 24, electric push rod two; 25, vacuum chuck; 26, suction pump; 27, guide groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] As Figures 1-4 shown, a technical scheme provided by the utility model comprises:

[0025] A kind of composite protective film cutting device, including cutting table 1, setting up material placing mechanism on the right side of the upper end of cutting table 1, material placing mechanism includes side frame 2, setting up side frame 2 at the right side upper end corner of cutting table 1, setting up motor one 3 on the back of the upper end of side frame 2, setting up material placing roller 4 on the front of side frame 2 horizontally, the output shaft of motor one 3 is fixedly connected material placing roller 4, setting up base 5 on the right side top of cutting table 1 both ends symmetrically, setting up shaft seat 7 by spring 6 movably on the middle upper end of base 5, setting up tensioning roller 8 between shaft seat 7, setting up guide rod 9 with base 5 movably on the middle bottom end of shaft seat 7, setting up cutting mechanism on the left side of the upper end of cutting table 1, cutting mechanism includes rack 10, setting up rack 10 on the left side upper end of cutting table 1, setting up electric push rod one 11 on the middle top end of rack 10, the output shaft end of electric push rod one 11 is provided with tool holder 12, the bottom end middle part of tool holder 12 is provided with cutter 13, setting up cutting groove 14 on the upper end of cutting table 1 and immediately below cutter 13, setting up pressing mechanism on the upper end of cutting table 1 and in the middle, pressing mechanism includes guide frame 15, setting up guide frame 15 on the middle both ends of cutting table 1 symmetrically, movably setting up compression roller 16 between guide frame 15, setting up electric push rod three 17 on the outside upper end of guide frame 15, setting up rod slot 18 in the middle of guide frame 15, the both ends of compression roller 16 are fixedly connected with the output shaft of electric push rod three 17 by penetrating rod slot 18;

[0026] In the embodiment, the film end is adsorbed by the vacuum chuck 25, and the vacuum chuck 25 generates negative pressure by the suction pump 26 to realize adsorption, without exerting excessive external force on the film, so that damage to the film material can be effectively avoided.

[0027] As shown in Figure 2 The pulling mechanism is arranged on the upper end of the cutting table 1 and between the cutting mechanism and the pressing mechanism; the pulling mechanism includes a rod seat 19, the rod seat 19 is arranged on the both sides of the upper end of the cutting table 1 and close to the rack 10, a lead screw 20 is movably arranged between the rod seats 19, a motor two 21 is arranged on the back of the rod seat 19, the output shaft of the motor two 21 is fixedly connected with the lead screw 20, movable blocks 22 are threadedly connected with the outside of the lead screw 20, a movable frame 23 is horizontally arranged between the movable blocks 22, the pulling mechanism further includes an electric push rod two 24, the electric push rod two 24 is arranged on the middle top end of the movable frame 23, the output shaft of the electric push rod two 24 is fixedly connected with the vacuum chuck 25, a suction pump 26 is arranged on the left side of the cutting table 1, a guide groove 27 is arranged on the left side of the cutting table 1 and is in the same straight line with the suction pump 26, a corrugated pipe is arranged in the guide groove 27 and is connected with the vacuum chuck 25 and the suction pump 26;

[0028] In the embodiment, the compression roller 16 is pushed downward by the electric push rod to press and fix the film material on the cutting table 1, so that the film material is prevented from moving during the cutting process, and a stable cutting environment is provided for the cutter 13.

[0029] Working principle: first, the motor 3 starts, drives the unwinding roller 4 rotation, gradually put out the composite protective film wound on the unwinding roller 4, the protective film is put out through the tensioning roller 8, when the protective film appears slack, the spring 6 will make the shaft seat 7 move up and down on the base 5 through the guide rod 9, adjust the position of the tensioning roller 8, exert tension on the protective film, make it keep tensioned state, to ensure that the protective film will not wrinkle or deviation in the conveying process. In the conveying process of the composite protective film, the electric push rod three 17 of the pressing mechanism is in the unstarted state, the compression roller 16 and the protective film keep a certain gap, only play a guiding role, guide the protective film to be conveyed smoothly along the predetermined path. When the composite protective film needs to be cut, the electric push rod three 17 is started, pushes the compression roller 16 to move downward along the rod groove 18 in the middle of the guide frame 15, until the compression roller 16 contacts with the surface of the cutting table 1, presses and fixes the protective film, prevents the protective film from moving when cutting, ensures the cutting accuracy. Then, the electric push rod one 11 is started, pushes the knife holder 12 to move downward, the cutter 13 enters the cutting groove 14 along with the knife holder 12, cuts the composite protective film, the cutting groove 14 provides stable cutting space for the cutter 13 and protects the surface of the cutting table 1. After cutting is completed, the pulling mechanism starts to work, the motor two 21 is started, drives the screw rod 20 to rotate, the movable block 22 moves along the axial direction of the screw rod 20, drives the movable frame 23 to move to the appropriate position, then, the electric push rod two 24 is started, pushes the vacuum chuck 25 to contact with the end of the composite protective film downward, the suction pump 26 works, makes the vacuum chuck 25 produce negative pressure through the corrugated pipe inside the guide groove 27, adsorbs the end of the film, finally, through the cooperation of the motor two 21 and the electric push rod two 24, the end of the film is pulled out again, prepares for the next cutting operation, the various mechanisms of the whole device cooperate closely and work together, realize efficient and accurate cutting of the composite protective film.

[0030] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A composite protection film cutting device, characterized by: The utility model relates to cutting equipment technical field, particularly to a cutting equipment. The cutting equipment comprises a cutting table (1), a feeding mechanism is arranged at the right upper end of the cutting table (1), a cutting mechanism is arranged at the left upper end of the cutting table (1), a pressing mechanism is arranged at the middle of the upper end of the cutting table (1), and a pulling mechanism is arranged between the cutting mechanism and the pressing mechanism at the upper end of the cutting table (1). The feeding mechanism comprises a side frame (2), the side frame (2) is arranged at the right upper end corner of the cutting table (1), a motor (3) is arranged at the upper end back of the side frame (2), a feeding roller (4) is horizontally arranged at the front of the side frame (2), the output shaft of the motor (3) is fixedly connected with the feeding roller (4), a base (5) is symmetrically arranged at the right top of the cutting table (1), a shaft seat (7) is movably arranged at the middle upper end of the base (5) through a spring (6), a tension roller (8) is arranged between the shaft seats (7), a guide rod (9) movably sleeved with the base (5) is arranged at the middle bottom of the shaft seat (7).

2. The cutting device of claim 1, wherein: The cutting mechanism comprises a rack (10), the rack (10) is arranged at the left upper end of the cutting table (1), an electric push rod (11) is arranged at the middle top of the rack (10), a tool holder (12) is arranged at the output shaft end of the electric push rod (11), a cutter (13) is arranged at the bottom middle of the tool holder (12), and a cutting groove (14) is arranged below the cutter (13) at the upper end of the cutting table (1).

3. The cutting device of claim 1, wherein: The pressing mechanism comprises a guide frame (15), the guide frame (15) is symmetrically arranged at the two ends of the middle of the cutting table (1), a pressing roller (16) is movably arranged between the guide frames (15), an electric push rod (17) is arranged at the outer upper end of the guide frame (15), a rod groove (18) is formed in the middle of the guide frame (15), and the two ends of the pressing roller (16) are fixedly connected with the output shafts of the electric push rod (17) through the rod groove (18).

4. The composite protective film cutting device according to claim 1, characterized by: The pulling mechanism comprises a rod seat (19), the rod seat (19) is arranged at the two sides of the upper end of the cutting table (1) and close to the rack (10), a lead screw (20) is movably arranged between the rod seats (19), an electric motor (21) is arranged at the back of the rod seat (19), the output shaft of the electric motor (21) is fixedly connected with the lead screw (20), a movable block (22) is threadedly connected with the outside of the lead screw (20), and a movable rack (23) is horizontally arranged between the movable blocks (22).

5. The cutting device of claim 3, wherein: The pulling mechanism further comprises an electric push rod (24), the electric push rod (24) is arranged at the middle top of the movable rack (23), a vacuum chuck (25) is fixedly connected with the output shaft of the electric push rod (24), a suction pump (26) is arranged at the left side of the cutting table (1), a guide groove (27) is formed at the left side of the cutting table (1) and is in the same straight line with the suction pump (26), and a bellows is arranged in the guide groove (27) and is communicated with the vacuum chuck (25) and the suction pump (26).

6. The composite protective film cutting device according to claim 5, characterized by: ​

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