CN218893278U - Film cutting device - Google Patents

Abstract

The utility model provides a film cutting device relates to the field of film processing, which comprises a frame, locate unreeling mechanism in the frame, locate the cutting mechanism in the frame, rotate first pivot and the second pivot of connecting in the frame, locate first pivot and the epaxial receipts reel of second, unreeling mechanism is used for placing output film, it is connected with the detection lamp to slide in the frame, detect the slip direction of lamp and the length direction parallel of first pivot, the detection lamp is located one side that the second pivot was kept away from to first pivot, be equipped with driving piece one in the frame, driving piece one drives first pivot and second pivot rotation, detect the adjacent receipts reel of cross arrangement in the space on the horizontal direction through illumination, reduce the circumstances that the fold appears in the film of rolling on receipts reel, be favorable to improving the quality of film on the receipts reel.

Description

Film cutting device

Technical Field

The application relates to the field of film processing, in particular to a film cutting device.

Background

The film is a thin and soft transparent sheet, and is usually made of plastic, adhesive or other materials, and the film produced by manufacturers is generally long in width and needs to be cut into films with different widths, so that the film is convenient to use.

As disclosed in chinese patent publication No. CN208629529U, a film splitting machine is disclosed, which comprises a frame, and an unreeling mechanism, a tension control deviation correcting device, a splitting mechanism, a detecting device, functional rollers and a reeling mechanism which are arranged on the frame, wherein the unreeling mechanism is used for placing an output film, the reeling mechanism comprises a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are rotationally connected with the frame, a plurality of reeling drums are penetrated on the first rotating shaft and the second rotating shaft, the reeling drums on the first rotating shaft and the second rotating shaft are alternately arranged, the splitting mechanism comprises a limiting shaft and a rotating shaft which are rotationally connected with the frame, a first motor is arranged on the frame, a plurality of circular knives are sleeved on the rotating shaft, two sides of each circular knife are respectively provided with a protrusion sleeved on the outer wall of the rotating shaft, each protrusion is respectively connected with a bolt in a threaded manner, a plurality of limiting shaft sleeves are respectively provided with a positioning sleeve sleeved on each limiting shaft, and each limiting sleeve comprises a positioning sleeve sleeved on the limiting shaft and two magnetic connecting rings respectively arranged on two ends of the positioning sleeves, and each circular knife can extend into a gap formed by the combination between two adjacent positioning sleeves; the adjustment of the slitting width of the film can be realized through the cooperation between the circular knife with adjustable position and the limiting shaft sleeve with adjustable length, and the slitting device is simple in structure and convenient to operate.

By adopting the film dividing and cutting machine, in actual use, gaps are easy to appear in adjacent winding drums which are arranged in a crossing manner in the horizontal direction, so that the film is inclined in the winding process, and the film wound on the winding drum is folded, thereby influencing the quality of the film wound on the winding drum, and the film dividing and cutting machine is to be improved.

Disclosure of Invention

In order to prevent the film wound on the winding drum from being wrinkled, the application provides a film cutting device

The application provides a film cutting device adopts following technical scheme:

the utility model provides a film cutting device, includes the frame, locates unreel the mechanism in the frame, locate cutting mechanism in the frame, rotate connect in first pivot and second pivot in the frame, locate first pivot with the epaxial rolling section of thick bamboo of second, unreel the mechanism and be used for placing output film, it is connected with the detection lamp to slide in the frame, the direction of sliding of detection lamp with the length direction of first pivot is parallel, the detection lamp is located first pivot is kept away from one side of second pivot, the detection lamp first pivot with the second pivot is located same straight line, be equipped with driving piece one in the frame, driving piece one drive first pivot with the second pivot rotates.

Through adopting above-mentioned technical scheme, remove the inspection lamp before detecting, observe whether there is light leakage between the projection of the adjacent receipts reel that alternately set up, if there is light leakage, then adjust receipts reel in first pivot or second pivot position can, until there is not light leakage can, detect the adjacent receipts reel that alternately set up in the space on the horizontal direction through illumination, reduce the circumstances that the fold appears in the film of rolling on receipts reel, be favorable to improving the quality of film on the rolling reel.

Preferably, a projection plate is arranged on the frame, and the projection plate is positioned on one side of the second rotating shaft away from the detection lamp.

Through adopting above-mentioned technical scheme, through setting up the projection board, throw the projection of the adjacent receipts reel of alternately setting on the projection board for the projection is more clear, if there is light to spill between the projection to show more clearly, in addition, has reduced other spare parts in the frame and shelter from the condition that thereby influences the projection effect.

Preferably, a sliding groove is formed in the frame, a sliding block is arranged on the detection lamp, the sliding block is clamped into the sliding groove and slides in the sliding groove, the detection lamp is connected to the frame in a sliding manner through cooperation between the sliding block and the frame, a pulley is arranged on the sliding block, and the pulley is in butt joint with the inner wall of the sliding groove.

Through adopting above-mentioned technical scheme, through setting up the pulley, reduce the frictional force between slider and the slide rail for it is lighter to remove the inspection lamp.

Preferably, the first elastic piece is arranged on the frame, the reel is rotationally connected on the frame, the connecting wire is wound on the reel, and the connecting wire and the first elastic piece are respectively connected with two opposite sides of the sliding block parallel to the sliding direction of the detection lamp.

Through adopting above-mentioned technical scheme, rotate the reel, reel rolling connecting wire drives the detection lamp and removes to the direction that is close to the reel, rotates the projection condition on the projection board in one side for it is more convenient to observe the projection board, through setting up elastic component one, after the detection is accomplished, the elastic component one drives the detection lamp and slides and keep away from the reel, the detection of being convenient for next time.

Preferably, the sliding block comprises a sliding part connected to the frame in a sliding manner and a protection plate arranged on the sliding part, the first elastic piece is connected with the sliding part, the protection plate is arranged on the detection lamp, and the protection plate is positioned on one side, close to the first elastic piece, of the detection lamp.

Through adopting above-mentioned technical scheme, the elastic component is at pulling detection lamp rebound in-process speed increase gradually, makes detection lamp and spout's inside wall collide easily, protects detection lamp through the protection shield, has reduced detection lamp and spout inner wall and has collided the possibility to detection lamp's life has been improved.

Preferably, the reel is including rotating connect in pivot in the frame with slide connect in pivot epaxial disk body, be equipped with one-way bearing in the frame, the disk body slide in one-way bearing with in the pivot, the disk body slide be close to or keep away from one-way bearing, be equipped with stopper one on one-way bearing's the outer lane, be equipped with stopper two in the pivot, the spacing groove has been seted up on the disk body, the spacing groove supplies stopper one or stopper two card are gone into.

Through adopting above-mentioned technical scheme, in the testing process, slide the disk body to one-way bearing, stopper one card goes into the spacing inslot, through the taut slider of elastic component one, make disk body one receive reverse pivoted power, because one-way bearing's effect, the disk body is difficult for taking place reverse rotation, thereby can make the detection lamp slide ascending optional position location of direction, can adapt to the detection between the reel is received to different width, through setting up the pivot, after the detection is accomplished, slide the disk body to the pivot in, make stopper two card go into the spacing inslot, the disk body is opened to loose, the disk body is kept away from in the slippage of an elastic component drive detection lamp, accomplish the reset.

Preferably, the protection shield is provided with the inserted bar, the last sliding connection of inserted bar has the sliding block, the sliding direction of sliding block with the length direction of inserted bar is perpendicular, the sliding block slides and stretches out or stretch into the inserted bar, be equipped with the elastic component two on the inserted bar, the elastic component two supports tightly the sliding block makes the sliding block has the trend of sliding and stretching out the inserted bar, the slot has been seted up on the inspection lamp, the slot supplies the inserted bar inserts, the draw-in groove has been seted up on the tank bottom inner wall of slot, the draw-in groove supplies the sliding block inserts, the last sliding connection of protection shield has the connecting rod, the one end of connecting rod with the sliding block is connected, the sliding direction of connecting rod with the sliding direction of sliding block is parallel.

Through adopting above-mentioned technical scheme, along with the increase of live time, detect the lamp and take place to damage easily, when detecting the lamp and take place to damage, press the connecting rod, the connecting rod drives the piece that slides and stretches into the inserted bar, makes the piece that slides break away from the detection lamp, breaks away from the inserted bar with the detection lamp again, takes out the detection lamp. Insert the inserted bar and insert the slot, loosen the connecting rod, make the sliding block card go into the draw-in groove and fix a position, accomplish the installation for it is more convenient to dismantle with the installation inspection lamp, in addition, need not to dismantle whole frame and maintains, is favorable to improving the life of device, reduces cost of maintenance.

Preferably, the sliding block is provided with an inclined surface, the inclined surface is located at one side of the sliding block away from the protection plate, and the inclined surface is inclined to be close to the inserted link along the direction away from the protection plate.

Through adopting above-mentioned technical scheme, through setting up the inclined plane, at the in-process that the inserted bar inserted the slot, the inside wall of inclined plane butt slot makes the sliding block slide and stretches into in the inserted bar, at the installation, need not to press the connecting rod always for it is more convenient to install the inspection lamp.

In summary, the present application includes at least one of the following beneficial technical effects:

1. detecting gaps of adjacent winding drums which are arranged in a crossed manner in the horizontal direction through illumination, reducing the situation that the film wound on the winding drums is wrinkled, and being beneficial to improving the quality of the film wound on the winding drums;

2. the reel is rotated, the connecting wire is wound on the reel, the detection lamp is driven to move towards the direction close to the reel, the projection condition on the projection plate is observed while the reel is rotated, so that the projection plate is more convenient to observe, and after detection is completed, the elastic piece one drives the detection lamp to slide away from the reel, so that the next detection is facilitated;

3. the disc body is slipped onto the one-way bearing, the sliding block is tensioned through the elastic piece, the disc body is enabled to bear reverse rotation force, reverse rotation of the disc body is not easy to occur due to the effect of the one-way bearing, and therefore the detection lamp can be positioned at any position in the sliding direction of the sliding block, and detection between winding drums with different widths can be adapted.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present embodiment.

Fig. 2 is a schematic structural view of the whole of the present embodiment cut at the sliding rail, mainly showing the structure in the sliding groove.

Fig. 3 is an enlarged view of a portion a in fig. 2, mainly showing a structure of the slider.

Fig. 4 is a schematic view of the embodiment partially cut away on the lamp stand, mainly showing the structures of the slider and the inspection lamp.

Fig. 5 is an enlarged view of a portion B in fig. 4, mainly showing the structure of the inspection lamp.

Fig. 6 is a schematic view partially showing the structure of the reel in the cut-away section of the reel body according to this embodiment, and mainly shows the structure of the reel.

Reference numerals illustrate: 1. a frame; 11. a frame body; 111. a guide shaft; 112. a first driving member; 12. a slide rail; 121. a chute; 122. an elastic piece I; 13. a one-way bearing; 131. a first limiting block; 14. a projection plate; 2. an unreeling mechanism; 21. a second driving piece; 22. a reel is unreeled; 3. a cutting mechanism; 31. a slip shaft; 32. a cutter; 321. a locking member; 4. a first rotating shaft; 41. a first turntable; 411. a connecting belt; 5. a second rotating shaft; 51. a second turntable; 6. winding up a winding drum; 7. a detection lamp; 71. a lamp holder; 711. a slot; 7111. a clamping groove; 72. a lamp body; 8. a slide block; 81. a sliding part; 811. a pulley; 82. a protective plate; 821. a rod; 8211. a sliding block; 8212. a slip groove; 8213. an inclined surface; 8214. a connection hole; 822. an elastic piece II; 823. a connecting rod; 824. a slip hole; 9. a reel; 91. a tray body; 911. a limit groove; 912. a connecting wire; 92. a rotating shaft; 921. and a second limiting block.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses a film cutting device. Referring to fig. 1, a film cutting device includes a frame 1, an unreeling mechanism 2, a cutting mechanism 3, a first rotating shaft 4, a second rotating shaft 5 and a plurality of reeling drums 6, wherein the frame 1 includes a frame 11 and a sliding rail 12, and the sliding bar is located above the frame 11 and fixedly connected with the frame 11. Unreeling mechanism 2 includes driving piece two 21 and unreel axle 22, and driving piece two 21 and support body 11 fixed connection, and the output shaft of driving piece two 21 is fixed with unreel axle 22 coaxial, and driving piece two 21 drive unreel axle 22 rotates, unreel axle 22 rotate and connect on support body 11, and unreel axle 22's axis of rotation is parallel with unreel axle 22's length direction, and unreel axle 22 is used for placing output film. In this embodiment, the second driving member 21 is a motor, and the unwinding shaft 22, the first rotating shaft 4 and the second rotating shaft 5 are all inflatable shafts.

Referring to fig. 1, a guide shaft 111 is fixed to the frame 11, the guide shaft 111 is positioned above the unwinding shaft 22, the guide shaft 111 is positioned at one side of the unwinding shaft 22 which is horizontally distributed, and a length direction of the guide shaft 111 is parallel to a rotation axis of the unwinding shaft 22. The cutting mechanism 3 comprises a sliding shaft 31 and a plurality of cutters 32, wherein the sliding shaft 31 is positioned on one side, close to the unwinding shaft 22, of the guide shaft 111, the sliding shaft 31 is positioned above the guide shaft 111, the length direction of the sliding shaft 31 is parallel to the length direction of the guide shaft 111, the sliding shaft 31 is fixedly connected with the frame 11, the cutters 32 penetrate through the sliding shaft 31, the cutters 32 are distributed on the sliding shaft 31 along the length direction parallel to the sliding shaft 31, the cutters 32 are in butt joint with the upper end face of the sliding shaft 31, and the cutters 32 are used for cutting films penetrating through the guide shaft 111. The position and the quantity of cutter 32 and the position and the quantity one-to-one of a rolling section of thick bamboo 6, cutter 32 slide and connect on sliding shaft 31, and threaded connection has retaining member 321 on the cutter 32, and retaining member 321 wears to establish cutter 32 and supports tightly sliding shaft 31. The locking member 321 in this embodiment is a bolt.

Referring to fig. 2, the first rotating shaft 4 and the second rotating shaft 5 are located at one side of the guide shaft 111 away from the sliding shaft 31 of the unwinding shaft 22, the first rotating shaft 4 and the second rotating shaft 5 are located at two opposite sides of the guide shaft 111 distributed along the vertical direction, the first rotating shaft 4, the second rotating shaft 5 and the sliding rail 12 are located on the same plane, the distribution direction of the first rotating shaft 4 and the second rotating shaft 5 is in vertical arrangement, the first rotating shaft 4 is located below the sliding rail 12, the first rotating shaft 4 is located above the second rotating shaft 5, the first rotating shaft 4 and the second rotating shaft 5 are both connected to the frame 11 in a rotating mode, and the rotating axes of the first rotating shaft 4 and the second rotating shaft 5 are parallel to the rotating axis of the unwinding shaft 22.

Referring to fig. 2, a first driving member 112 is fixed on the frame 11, an output shaft of the first driving member 112 is fixedly connected with the first rotating shaft 4, a first rotating disc 41 is coaxially fixed on the first rotating shaft, the first rotating disc 41 is located at one side of the frame 11 far away from the first driving member 112, a second rotating disc 51 is fixed on the second rotating shaft 5, the second rotating disc 51 and the first rotating disc 41 are located at the same side of the frame 11, a connecting belt 411 is fixed on the first rotating disc 41, the connecting belt 411 is tensioned on the peripheries of the first rotating disc 41 and the second rotating disc 51, and the first driving member 112 drives the second rotating shaft 5 to rotate through cooperation among the first rotating shaft 4, the first rotating disc 41, the second rotating disc 51 and the connecting belt 411.

Referring to fig. 2, a plurality of winding drums 6 are arranged on the first rotating shaft 4 and the second rotating shaft 5 in a penetrating manner, the winding drums 6 on the first rotating shaft 4 and the winding drums 6 on the second rotating shaft 5 are arranged in a crossed manner, and the sum of the widths of the winding drums 6 is the same as the width of the output film.

Referring to fig. 3 and 4, the detection lamp 7 is slidingly connected on the slide rail 12, the detection lamp 7 and the winding drum 6 are located on the same plane, the detection lamp 7 comprises a lamp holder 71 and a lamp body 72, the lamp body 72 is located on one side, far away from the slide rail 12, of the lamp holder 71, the lamp body 72 is fixedly connected with the lamp holder 71, a sliding groove 121 is formed in the slide rail 12, a notch of the sliding groove 121 is located on one side, close to the first rotating shaft 4, of the slide rail 12, a sliding block 8 is fixed on the lamp holder 71, the sliding block 8 comprises a sliding part 81 and a protection plate 82, the sliding groove 121 is used for clamping the sliding part 81, the sliding part 81 slides in the sliding groove 121, the sliding direction of the sliding part 81 is parallel to the length direction of the first rotating shaft 4, a pulley 811 is rotationally connected on the sliding part 81, the pulley 811 is located on two opposite sides, horizontally distributed along the sliding direction perpendicular to the sliding direction of the lamp holder 71, of the rotating axis of the pulley 811 is perpendicular to the sliding direction of the sliding part 81, and the pulley 811 is abutted to the inner wall of the sliding groove 121. The sliding rail 12 is fixed with a first elastic member 122, the first elastic member 122 is located in the sliding groove 121, and two opposite ends of the first elastic member 122 are fixedly connected with the inner wall of the sliding groove 121 and the sliding part 81 respectively.

Referring to fig. 3 and 4, the protection plate 82 is located at a side of the sliding portion 81 near the first elastic member 122, the protection plate 82 is fixedly connected to the sliding portion 81, and the protection plate 82 is located at a side of the lamp holder 71 near the first elastic member 122 and is fixedly connected to the lamp holder 71.

Referring to fig. 4 and 5, an insert rod 821 is fixed on the protection plate 82, the insert rod 821 is located at one side of the protection plate 82 far away from the first elastic member 122, a sliding block 8211 is slidably connected to the insert rod 821, a sliding groove 8212 is formed in the insert rod 821, a notch of the sliding groove 8212 is located at one side of the insert rod 821 near the sliding rail 12, a sliding direction of the sliding block 8211 is perpendicular to a length direction of the insert rod 821, the sliding block 8211 slides to extend out of or into the sliding groove 8212, an elastic member second 822 is fixed on the insert rod 821, opposite sides of the elastic member second 822 are fixedly connected with a groove bottom inner wall of the sliding groove 8212 and the sliding block 8211 respectively, the sliding block 8211 abuts against the sliding block 8211, the sliding block 8211 has a trend of extending out of the sliding groove 8212, an inclined surface 8213 is formed in the sliding block 8211, and a distance between the inclined surface 8213 and the protection plate 82 gradually increases along a direction near the insert rod 821. The lamp holder 71 is provided with a slot 711, the slot 711 is used for the inserting rod 821 to be clamped in, the inner side wall of the slot 711, which is far away from the lamp body 72, is provided with a clamping groove 7111, and the clamping groove 7111 is used for the sliding block 8211 to be clamped in.

Referring to fig. 5, a connecting rod 823 is slidably connected to a protection plate 82, a sliding hole 824 is formed in the protection plate, the sliding hole 824 penetrates through the protection plate 82 along the length direction of the connecting rod 823, a connecting hole 8214 is formed in an inserting rod 821, the connecting hole 8214, the sliding hole 824 and the sliding groove 8212 are communicated, and the connecting rod 823 penetrates through the sliding hole 824 and the connecting hole 8214 and is fixedly connected with a sliding block 8211, so that the connecting rod 823 slides in the sliding hole 824 and the connecting hole 8214.

When the detection lamp 7 is damaged, the connecting rod 823 is pressed downwards, the connecting rod 823 drives the sliding block 8211 to slide and stretch into the sliding groove 8212, the sliding block 8211 is separated from the lamp holder 71, the lamp holder 71 can be taken out, the connecting rod 823 is loosened, the inserting rod 821 is inserted into the inserting groove 711 of the replaced detection lamp 7, in the inserting process of the inserting rod 821, the inner wall of the inserting groove 711 is abutted against the inclined surface 8213, the sliding block 8211 slides and stretches into the sliding groove 8212 until the clamping groove 7111 moves to the upper side of the sliding groove 8212, and the elastic piece II 822 abuts against the sliding block 8211, so that the sliding block 8211 slides and is clamped into the clamping groove 7111 and is positioned.

Referring to fig. 3 and 6, the reel 9 is rotatably connected to the frame 11, the reel 9 is located at one side of the lamp holder 71, which is far away from the first elastic member 122, the reel 9 includes a disc 91 and a rotating shaft 92, the rotating shaft 92 is rotatably connected to the frame 11, the rotation axis of the rotating shaft 92 is parallel to the sliding direction of the sliding portion 81, the disc 91 is arranged around the rotating shaft 92, the disc 91 is abutted to the inner wall of the rotating shaft 92, the disc 91 is slidably connected to the rotating shaft 92, the sliding direction of the disc 91 is parallel to the rotation axis of the rotating shaft 92, the disc 91 slides close to or far away from the frame 11, a second limiting block 921 is fixed to the rotating shaft 92, the second limiting block 921 is located on the side wall of the rotating shaft 92, which is close to the disc 91, a limiting groove 911 is formed in the disc 91, the limiting groove 921 is used for clamping in the second limiting block, a connecting wire 912 is wound on the disc 91, one end, which is far away from the disc 91, of the connecting wire passes through the sliding rail 12 and is fixedly connected to the sliding portion 81, the sliding groove 121, and the second limiting block 921 is fixed to the two sides of the lamp holder 122 are respectively connected to the opposite sides of the lamp holder 81, which are parallel to the sliding direction of the sliding portion 71.

Referring to fig. 6, one side of the frame 11, which is close to the rotating shaft 92, is in a convex shape, a one-way bearing 13 is fixed on the frame 11, a convex portion of the frame 11 penetrates through the one-way bearing 13 and is fixedly connected with an inner ring of the one-way bearing 13, the position of the rotating shaft 92 is correspondingly arranged with the convex position of the frame 11, the rotating shaft 92 is abutted against the one-way bearing 13, the diameter of the rotating shaft 92 is the same as that of an outer ring of the one-way bearing 13, the disc 91 slides on the one-way bearing 13 and the rotating shaft 92, a first limiting block 131 is fixed on the outer ring of the one-way bearing 13, and a first limiting block 131 is clamped in by a limiting groove 911.

When in actual use, the first limiting block 131 is clamped into the limiting groove 911 by moving the disc 91, the disc 91 is rotated, the sliding part 81 is driven to slide by the connecting rope, the lamp holder 71 is driven to move, the horizontal gaps of the adjacent winding drums 6 which are arranged in a crossed mode are detected, the projection of the winding drums 6 on the frame 11 is observed, and when photoelectricity occurs in the projection, the disc 91 is loosened, and the disc 91 is positioned on the one-way bearing 13 at the moment, so that the disc 91 cannot reversely rotate, the lamp holder 71 is positioned, and the position of the winding drums is finely adjusted until light spots disappear. After the detection is finished, the disc 91 is moved, the first limiting block 131 is separated from the limiting groove 911, the second limiting block 921 is clamped into the limiting groove 911, the disc 91 is located on the rotating shaft 92, the disc 91 is loosened, and the first elastic element 122 pulls the sliding part 81 to reset, so that the next detection is facilitated.

Referring to fig. 2 and 4, a projection plate 14 is fixed to the frame 11, the projection plate 14 is located on a side of the second rotating shaft 5 away from the lamp 72, and the projection plate 14 is fixedly connected to the frame 11. The plurality of winding drums 6 are projected on the projection plate 14 in a direction parallel to the distribution direction of the first rotating shaft 4 and the second rotating shaft 5.

The implementation principle of the film cutting device in the embodiment of the application is as follows: the first rotating shaft 4, the second rotating shaft 5 and the detection lamp 7 are arranged on the same plane, so that the projection of the winding drums 6 penetrating through the first rotating shaft 4 and the second rotating shaft 5 on the projection plate 14 is straight, the rotating disc body 91 drives the lamp holder 71 to move, the lamp holder 71 drives the lamp body 72 to move, if gaps exist on the adjacent winding drums 6 which are arranged in a crossing mode in the horizontal direction, the lamp light of the lamp body 72 passes through the gaps to be displayed on the projection plate 14, fine adjustment is carried out on the positions of the winding drums 6, gaps existing on the adjacent winding drums 6 which are arranged in the crossing mode in the horizontal direction are reduced, the positions of each winding drum 6 correspond to the cut film strips one by one, the cut film strips are not prone to tilting, wrinkles are not prone to occurring on the film after winding, and improvement of film quality is facilitated.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a film cutting device, includes frame (1), locates unreel mechanism (2) on frame (1), locate cutting mechanism (3) on frame (1), rotate connect in first pivot (4) and second pivot (5) on frame (1), locate first pivot (4) with rolling section of thick bamboo (6) on second pivot (5), unreel mechanism (2) are used for placing output film, its characterized in that: the utility model discloses a detection lamp, including frame (1), detection lamp (7) slip direction with the length direction of first pivot (4) is parallel, detection lamp (7) are located first pivot (4) are kept away from one side of second pivot (5), detection lamp (7) first pivot (4) with second pivot (5) are located same straight line, be equipped with driving piece one (112) on frame (1), driving piece one (112) drive first pivot (4) with second pivot (5) rotate.

2. A film cutting device according to claim 1, wherein: the frame (1) is provided with a projection plate (14), and the projection plate (14) is positioned on one side of the second rotating shaft (5) far away from the detection lamp (7).

3. A film cutting device according to claim 2, wherein: the sliding chute (121) is formed in the frame (1), the sliding block (8) is arranged on the detection lamp (7), the sliding block (8) is clamped into the sliding chute (121) and slides in the sliding chute (121), the detection lamp (7) is connected onto the frame (1) through the sliding block (8) and the matching between the frame (1), the sliding block (8) is provided with a pulley (811), and the pulley (811) is in butt joint with the inner wall of the sliding chute (121).

4. A film cutting device according to claim 3, wherein: be equipped with elastic component one (122) on frame (1), rotate on frame (1) and be connected with reel (9), the reel is last to be coiled with connecting wire (912), connecting wire (912) with elastic component one (122) respectively with slider (8) are on a parallel with the opposite both sides of detection lamp (7) slip direction are connected.

5. A film cutting device according to claim 4, wherein: the sliding block (8) comprises a sliding part (81) which is connected to the frame (1) in a sliding mode and a protection plate (82) which is arranged on the sliding part (81), the first elastic piece (122) is connected with the sliding part (81), the protection plate (82) is arranged on the detection lamp (7), and the protection plate (82) is arranged on one side, close to the first elastic piece (122), of the detection lamp (7).

6. A film cutting device according to claim 4, wherein: reel (9) including rotate connect in pivot (92) in frame (1) with slide connect in disk body (91) in pivot (92), be equipped with one-way bearing (13) on frame (1), disk body (91) slide in one-way bearing (13) with on pivot (92), disk body (91) slide be close to or keep away from one-way bearing (13), be equipped with stopper one (131) on the outer lane of one-way bearing (13), be equipped with stopper two (921) on pivot (92), offered spacing groove (911) on disk body (91), spacing groove (911) confession stopper one (131) or stopper two (921) card are gone into.

7. A film cutting device according to claim 5, wherein: be equipped with inserted bar (821) on protection shield (82), slide on inserted bar (821) and be connected with slider (8211), the slip direction of slider (8211) with the length direction of inserted bar (821) is perpendicular, slider (8211) slides and stretches out or stretch into inserted bar (821), be equipped with elastic component two (822) on inserted bar (821), elastic component two (822) support tightly slider (8211), make slider (8211) have the trend of sliding and stretch out of inserted bar (821), slot (711) confession has been seted up on detection lamp (7), slot (711) supply insert bar (821), set up draw-in groove (7111) on the tank bottom inner wall of slot (711), draw-in groove (7111) supply slider (8211) inserts, slide on protection shield (82) and be connected with connecting rod (823), one end of connecting rod (823) with slider (8211) is connected, slider (823) slide direction parallel with slider (823).

8. A film cutting device according to claim 7, wherein: the sliding block (8211) is provided with an inclined surface (8213), the inclined surface (8213) is located on one side, far away from the protection plate, of the sliding block (8211), and the inclined surface (8213) is obliquely close to the inserted link (821) along the direction far away from the protection plate.

Images