CN214724636U

CN214724636U - Cutting mechanism that plastic film edge was prevented rolling up

Info

Publication number: CN214724636U
Application number: CN202121000468.2U
Authority: CN
Inventors: 李春昕
Original assignee: Guangdong Limin Food Packaging Co ltd
Current assignee: Guangdong Limin Food Packaging Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-11-16
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses a cutting mechanism of book is prevented at plastic film edge, including fixed frame, the top fixed mounting of fixed frame has the mount, it is connected with the two-way threaded rod to rotate between the both sides of fixed frame inner wall, one side fixed mounting of fixed frame has the motor, and the drive end of motor run through fixed frame one side and with two-way threaded rod fixed connection, fixed mounting has the slide bar between the both sides of mount inner wall, the cover is equipped with two movable plates between the outer wall of two-way threaded rod and the outer wall of slide bar. This cutting mechanism of book is prevented at plastic film edge uses through the cooperation of stopper, gag lever post, connecting plate, slide bar, fixed plate, first spring, connecting rod, fixed knot structure, motor, etc for the last bottom plate of fixed knot structure can carry on spacingly to plastic film when the cutting, and plastic film can not remove when the cutting, can not take place the fold, ensures that the plastic film after the cutting can not have the burr turn-up.

Description

Cutting mechanism that plastic film edge was prevented rolling up

Technical Field

The utility model relates to a plastic film field specifically is a cutting mechanism that plastic film edge was prevented rolling up.

Background

The film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins is used for packaging and used as a film coating layer, the share of plastic packaging and plastic packaging products in the market is increasing, particularly, composite plastic flexible packaging is widely applied to the fields of food, medicine, chemical industry and the like, wherein the proportion of the plastic packaging is the largest, such as beverage packaging, quick-frozen food packaging, steamed food packaging, fast food packaging and the like, the products bring great convenience to the life of people, and when the plastic film is produced, the edges of the plastic film are mostly incomplete, the rolled skin is not smooth and the like, so the edges of the plastic film are required to be cut and flattened.

However, when the existing plastic film cutting mechanism cuts a plastic film, the plastic film is often moved or folded, so that the cutting effect is poor, and burrs exist after cutting, which affects the cutting quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cutting mechanism that plastic film edge was prevented rolling up to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a cutting mechanism for preventing edges of plastic films from being rolled comprises a fixed frame, wherein a fixed frame is fixedly mounted at the top of the fixed frame, a bidirectional threaded rod is rotatably connected between two sides of the inner wall of the fixed frame, a motor is fixedly mounted at one side of the fixed frame, a driving end of the motor penetrates through one side of the fixed frame and is fixedly connected with the bidirectional threaded rod, a sliding rod is fixedly mounted between two sides of the inner wall of the fixed frame, two moving plates are sleeved between the outer wall of the bidirectional threaded rod and the outer wall of the sliding rod, the moving plates penetrate through a sliding groove formed in the top of the fixed frame, a fixed plate is fixedly mounted on each of the opposite surfaces of the two moving plates, four limiting rods are fixedly mounted at the bottom of the fixed plate, a limiting block is fixedly mounted at the bottom of each limiting rod, a connecting plate is sleeved between the outer walls of the four limiting rods at the same side, and a first spring is sleeved between the outer wall of each limiting rod and the connecting plate, the connecting device comprises a connecting plate, a movable plate and a connecting rod, wherein the connecting rod is fixedly mounted on two sides of the connecting plate, a fixed structure is fixedly mounted on the bottom of the connecting rod and one side of the movable plate, a cutting knife is fixedly mounted at the top of the fixed structure, two long rods are fixedly mounted between two sides of the inner wall of a fixing frame, and a plurality of supporting structures are arranged between the outer walls of the long rods.

As a further aspect of the present invention: the utility model discloses a slide bar, including bearing structure, stock, slide bar, fixed mounting, bearing structure includes two slide bars, and the slide bar runs through the slide opening and the stock sliding connection of seting up through its one side, the outer wall sliding connection of slide bar has the clutch blocks, two fixed mounting has the diaphragm between the top of slide bar, the outer wall of slide bar just is located the cover between clutch blocks and the diaphragm and is equipped with the second spring, the top of diaphragm is equidistance fixed mounting and has three cylinder structure.

As a further aspect of the present invention: the roller structure comprises two support plates, and a roller is rotatably connected between opposite surfaces of the two support plates.

As a further aspect of the present invention: the fixed knot constructs including the bottom plate, the equal fixed mounting in both sides of bottom plate top or bottom has the backup pad, two the opposite face of backup pad is all rotated and is connected with the rotation cylinder.

As a further aspect of the present invention: the bottom of movable plate one side runs through the screw hole of seting up with two-way threaded rod looks adaptation, and the movable plate passes through the screw hole and is connected with two-way threaded rod transmission, the top of movable plate one side runs through the slip hole of seting up with slide bar looks adaptation, and the movable plate passes through slip hole and slide bar sliding connection, one side of movable plate just is located and runs through the removal hole of seting up two and stock looks adaptations between screw hole and the slip hole, and the movable plate passes through removal hole and stock sliding connection.

As a further aspect of the present invention: the top of the connecting plate is provided with four round holes matched with the limiting rod in a penetrating manner, and the connecting plate is connected with the limiting rod in a sliding manner through the round holes.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a stopper, the gag lever post, the connecting plate, the slide bar, the fixed plate, first spring, the connecting rod, fixed knot constructs, including a motor, an end cap, a controller, and a cover plate, movable plate and two-way threaded rod's cooperation is used for bottom plate on the fixed knot constructs can carry on spacingly to plastic film when the cutting, and plastic film can not remove when the cutting, can not take place the fold, ensures that plastic film after the cutting can not have the deckle edge turn-up, and the tangent plane is smooth, and the cutting effect is good, and this mechanism can be applicable to the plastic film of the different thickness of different width, and extensive applicability is extensive.

2. This practicality is used through the cooperation of stock, second spring, diaphragm, cylinder structure, slide bar and clutch blocks for when the cutting, plastic film's middle part can be taken at the cylinder structural, avoids the centre to collapse downwards, causes the cutting position of its both sides to take place the horizontal slip, and influences the cutting effect, makes the cutting effect of overall structure better.

Drawings

FIG. 1 is a schematic structural view of a cutting mechanism for preventing the edge of a plastic film from being rolled;

FIG. 2 is a schematic front view of a support structure in a plastic film edge anti-curl cutting mechanism;

FIG. 3 is a side view of a support structure of a plastic film edge anti-curl cutting mechanism;

fig. 4 is a front view of a fixing structure in a cutting mechanism for preventing the edge of a plastic film from being rolled.

In the figure: the cutting knife comprises a cutting knife 1, a limiting block 2, a limiting rod 3, a connecting plate 4, a fixing frame 5, a supporting structure 6, a sliding rod 7, a fixing plate 8, a first spring 9, a connecting rod 10, a fixing structure 11, a motor 12, a moving plate 13, a bidirectional threaded rod 14, a fixing frame 15, a long rod 16, a supporting plate 17, a rotating roller 18, a bottom plate 19, a second spring 20, a transverse plate 21, a roller structure 22, a sliding rod 23 and a friction block 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, in the embodiment of the present invention, a cutting mechanism for preventing plastic film edge from being rolled comprises a fixed frame 15, a fixed frame 5 is fixedly installed on the top of the fixed frame 15, a bidirectional threaded rod 14 is rotatably connected between two sides of the inner wall of the fixed frame 15, a motor 12 is fixedly installed on one side of the fixed frame 15, a driving end of the motor 12 penetrates through one side of the fixed frame 15 and is fixedly connected with the bidirectional threaded rod 14, a sliding rod 7 is fixedly installed between two sides of the inner wall of the fixed frame 5, two moving plates 13 are sleeved between the outer wall of the bidirectional threaded rod 14 and the outer wall of the sliding rod 7, the moving plates 13 pass through a sliding groove formed in the top of the fixed frame 15, a fixed plate 8 is fixedly installed on the opposite surfaces of the two moving plates 13, four limiting rods 3 are fixedly installed at the bottom of the fixed plate 8, a limiting block 2 is fixedly installed at the bottom of the limiting rods 3, a connecting plate 4 is sleeved between the outer walls of the four limiting rods 3 on the same side, the outer wall of the limiting rod 3 is sleeved with a first spring 9 between a connecting plate 4 and a fixed plate 8, two sides of the connecting plate 4 are both fixedly provided with a connecting rod 10, the bottom of the connecting rod 10 and one side of a movable plate 13 are both fixedly provided with a fixed structure 11, the top of the bottom fixed structure 11 is fixedly provided with a cutting knife 1, two long rods 16 are fixedly arranged between two sides of the inner wall of a fixed frame 5, a plurality of supporting structures 6 are arranged between the outer walls of the two long rods 16, each supporting structure 6 comprises two sliding rods 23, the sliding rods 23 are in sliding connection with the long rods 16 through sliding holes formed in one side of the sliding rods 23 in a penetrating manner, the outer wall of each sliding rod 23 is in sliding connection with a friction block 24, a transverse plate 21 is fixedly arranged between the tops of the two sliding rods 23, a second spring 20 is sleeved on the outer wall of each sliding rod 23 and positioned between the friction block 24 and the transverse plate 21, and three roller structures 22 are fixedly arranged on the tops of the transverse plates 21 at equal intervals, the roller structure 22 comprises two support plates, a roller is rotatably connected between opposite surfaces of the two support plates, the fixed structure 11 comprises a bottom plate 19, support plates 17 are fixedly installed on the top or two sides of the bottom plate 19, the opposite surfaces of the two support plates 17 are rotatably connected with a rotating roller 18, a threaded hole matched with the bidirectional threaded rod 14 is formed in the bottom of one side of the movable plate 13 in a penetrating mode, the movable plate 13 is in transmission connection with the bidirectional threaded rod 14 through the threaded hole, a sliding hole matched with the sliding rod 7 is formed in the top of one side of the movable plate 13 in a penetrating mode, the movable plate 13 is in sliding connection with the sliding rod 7 through the sliding hole, two moving holes matched with the long rod 16 are formed in one side of the movable plate 13 and located between the threaded hole and the sliding hole in a penetrating mode, the movable plate 13 is in sliding connection with the long rod 16 through the moving hole, and four round holes matched with the limiting rod 3 are formed in the top of the connecting plate 4 in a penetrating mode, and the connecting plate 4 is connected with the limiting rod 3 in a sliding way through a round hole.

The utility model discloses a theory of operation is:

when the device is used, the motor 12 is started to drive the bidirectional threaded rod 14 to rotate, the two movable plates 13 are driven to move in opposite directions or in reverse directions through thread transmission, the fixed plate 8, the fixed structure 11 and the cutting knife 1 are driven to move, the positions of the two cutting knives 1 are adjusted according to the width of the plastic film to be located at proper positions, the fixed structure 11 on the upper side is lifted, the plastic film is placed on the rotary rollers 18 on the two sides, the fixed structure 11 on the upper side is placed down, the elastic force of the first spring 9 presses the connecting plate 4 downwards, the rotary rollers 18 on the upper side are pressed on the plastic film, when the plastic film is pulled, the cutting knife 1 can cut the two sides of the plastic film, the rotary rollers 18 on the fixed structure 11 can limit the plastic film during cutting, the plastic film cannot move left and right during cutting, wrinkles cannot occur, and the cut plastic film cannot have burrs, the tangent plane is smooth, the cutting effect is good, and this mechanism can be applicable to the plastic film of the different thickness of different width, and extensive applicability is general, to lifting clutch block 24, can be with whole bearing structure 6 horizontal slip on stock 16 this moment, its position is adjusted according to the width of film, loosen clutch block 24 after the completion, the elasticity of slide bar 23 is with its pushing down, make it withstand stock 16, it is fixed with bearing structure 6 with stock 16 production frictional force, make when the cutting, plastic film's middle part can be taken on cylinder structure 22, avoid middle the downwarping thereof, cause the cutting position of its both sides to take place horizontal slip, and influence cutting effect, make the cutting effect of entire structure better.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a cutting mechanism that plastic film edge was prevented rolling up, includes fixed frame (15), its characterized in that: the top fixed mounting of fixed frame (15) has mount (5), it is connected with two-way threaded rod (14) to rotate between the both sides of fixed frame (15) inner wall, one side fixed mounting of fixed frame (15) has motor (12), and the drive end of motor (12) run through one side of fixed frame (15) and with two-way threaded rod (14) fixed connection, fixed mounting has slide bar (7) between the both sides of fixed frame (5) inner wall, the cover is equipped with two movable plates (13) between the outer wall of two-way threaded rod (14) and the outer wall of slide bar (7), and movable plate (13) pass the sliding tray that fixed frame (15) top runs through the seting up, two the equal fixed mounting of opposite face of movable plate (13) has fixed plate (8), the bottom fixed mounting of fixed plate (8) has four gag lever posts (3), the bottom fixed mounting of gag lever post (3) has stopper (2), the homonymy is four the cover is equipped with connecting plate (4) between the outer wall of gag lever post (3), the outer wall of gag lever post (3) just is located and is equipped with first spring (9) between connecting plate (4) and fixed plate (8), the equal fixed mounting in both sides of connecting plate (4) has connecting rod (10), the equal fixed mounting in one side of the bottom of connecting rod (10) and movable plate (13) has fixed knot to construct (11), the bottom the top fixed mounting of fixed knot structure (11) has cutting knife (1), fixed mounting has two stock (16) between the both sides of mount (5) inner wall, two be provided with a plurality of bearing structure (6) between the outer wall of stock (16).

2. The plastic film edge anti-curl cutting mechanism of claim 1, wherein: bearing structure (6) include two slide bars (23), and slide bar (23) run through the draw hole and stock (16) sliding connection of seting up through its one side, the outer wall sliding connection of slide bar (23) has clutch blocks (24), two fixed mounting has diaphragm (21) between the top of slide bar (23), the outer wall of slide bar (23) just is located and is equipped with second spring (20) between clutch blocks (24) and diaphragm (21), the top of diaphragm (21) is equidistance fixed mounting and has three cylinder structure (22).

3. The plastic film edge anti-curl cutting mechanism of claim 2, wherein: the roller structure (22) comprises two support plates, and a roller is rotatably connected between opposite surfaces of the two support plates.

4. The plastic film edge anti-curl cutting mechanism of claim 1, wherein: fixed knot constructs (11) including bottom plate (19), the equal fixed mounting in both sides of bottom plate (19) top or bottom has backup pad (17), two the opposite face of backup pad (17) is all rotated and is connected with and rotates cylinder (18).

5. The plastic film edge anti-curl cutting mechanism of claim 1, wherein: the bottom of moving plate (13) one side runs through the screw hole of seting up with two-way threaded rod (14) looks adaptation, and moving plate (13) are connected through screw hole and two-way threaded rod (14) transmission, the top of moving plate (13) one side runs through the slip hole of seting up with slide bar (7) looks adaptation, and moving plate (13) pass through slip hole and slide bar (7) sliding connection, one side of moving plate (13) just is located and runs through the removal hole of seting up two and stock (16) looks adaptations between screw hole and the slip hole, and moving plate (13) are through removal hole and stock (16) sliding connection.

6. The plastic film edge anti-curl cutting mechanism of claim 1, wherein: the top of the connecting plate (4) is provided with four round holes matched with the limiting rods (3) in a penetrating manner, and the connecting plate (4) is connected with the limiting rods (3) in a sliding manner through the round holes.