CN221021099U

CN221021099U - Sectional cutting device for plastic film production

Info

Publication number: CN221021099U
Application number: CN202322458668.8U
Authority: CN
Inventors: 陈金锭; 陈海滨; 朱九洲
Original assignee: Dongguan Xingsen Plastic Products Co ltd
Current assignee: Dongguan Xingsen Plastic Products Co ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-05-28
Anticipated expiration: 2033-09-11

Abstract

The utility model discloses a sectional cutting device for plastic film production, which comprises a fixed bottom plate, wherein a fixing frame is arranged on the right side of the fixed bottom plate; the fixing frame is internally provided with a fixing plate, a fixing column is fixed at the central position of the top of the fixing plate, the fixing column movably penetrates through the fixing frame and is fixedly provided with an inclined plate, the bottom of the fixing plate is provided with a cutting assembly, and the cutting assembly comprises a fixing block arranged in the fixing plate and sliding blocks fixed on the front side and the rear side of the fixing block.

Description

Sectional cutting device for plastic film production

Technical Field

The utility model relates to the technical field of plastic film cutting, in particular to a sectional cutting device for plastic film production.

Background

Plastic films are films made of polyvinyl chloride, polyethylene, polypropylene, polystyrene, and other resins for packaging and for use as a film coating.

Before the plastic film leaves the factory, the plastic film needs to be cut into segments according to the use requirement, so that along with the development of cutting technology, devices capable of cutting the plastic film in segments appear on the market.

As disclosed in the chinese patent CN214213937U, a plastic film sectioning and cutting device, mention is made of: "through setting up supporting component, receipts material subassembly, conveying component, pinch roller and cutting the subassembly, it sets up to cut the subassembly location the upper surface of supporting component, the conveying component location sets up the upper surface of supporting component just is located cut the subassembly with between the conveying component, receive the material subassembly setting and be in the one end of supporting component realizes the function that the segmentation is accurate cuts.

Based on the search of the above patent, and in combination with the use of cutting devices in the prior art for cutting plastic films, we have found that such cutting devices have certain drawbacks:

As is well known, one of the most critical cutting parts is a cutter, the cutter can have the problem of sharpness reduction after long-time use, and the cutter is fixed by using a clamping manner in the above technology, and the cutter can be displaced when moving due to the lack of a locking structure, so that the situation that the length of a subsequently cut plastic film is different is caused, while the cutter is fixed by adopting a bolt fixing manner in the prior art, so that the cutter can be locked in position, but the cutter can be normally detached by means of a special tool when being replaced, the operation is troublesome and the time is long, so that the cutter for cutting the plastic film is quickly replaced, and the technical problem which needs to be solved at present is solved.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the sectional cutting device for plastic film production comprises a fixed bottom plate, wherein a fixing frame is arranged on the right side of the fixed bottom plate; the fixing frame comprises a fixing frame, wherein a fixing plate is arranged in the fixing frame, a fixing column is fixed at the central position of the top of the fixing plate, the fixing column movably penetrates through the fixing frame and is fixedly provided with an inclined plate, a cutting assembly is arranged at the bottom of the fixing plate and comprises a fixing block arranged in the fixing plate and sliding blocks fixed on the front side and the rear side of the fixing block, three equidistant locking holes are formed in the surface of the sliding blocks, and a cutting knife is further fixed on the fixing plate; the left and right sides of fixed plate all is provided with the unblock subassembly, the unblock subassembly is including fixing the door type frame on the fixed plate, the inside of door type frame is provided with the clamp plate, one side of clamp plate and the position corresponding department with every locking hole all are fixed with the locking lever.

As a further scheme of the utility model: the top of mount is fixed with the support frame in the middle of the position, servo motor is installed to one side of support frame, servo motor's power output shaft activity runs through to the inside of support frame and is fixed with the lead screw, the thread bush is equipped with the sliding body on the body of rod of lead screw, the gyro wheel is installed to the bottom of sliding body, the top of sliding body passes through stopper sliding connection at the interior roof of support frame.

As a further scheme of the utility model: the fixed block is connected in a sliding groove formed in the bottom of the fixed plate in a sliding mode through the sliding block, and a handle is further fixed on one side of the fixed block.

As a further scheme of the utility model: the unlocking assembly further comprises a compression spring fixed between the pressing plate and the door-type frame, and a pull rod which movably penetrates through the door-type frame is fixed in the middle of the pressing plate.

As a further scheme of the utility model: the right side inner chamber of fixed plate has seted up the cavity, the inside of cavity is fixed with the top and moves the spring, the one end of top moving the spring is fixed with the ejector pin, the ejector pin activity runs through the fixed plate and contradicts on the fixed block.

As a further scheme of the utility model: the top left and right sides of fixed plate still is fixed with the gag lever post, the top activity of gag lever post runs through to the top of mount and overlaps and be equipped with reset spring, the top of gag lever post is fixed with the dog with reset spring fixed connection.

As a further scheme of the utility model: and a perforation is further formed at one side of the fixing frame and at a position corresponding to the handle.

As a further scheme of the utility model: the top left side of fixed bottom plate still is fixed with two roller backup pads, two be provided with by speed governing motor driven plastic film roll between the roller backup pad, the top of fixed bottom plate just is located the position department on roller backup pad right side still is provided with the guide roller, the top of fixed bottom plate just is located the position department on guide roller right side still is provided with by speed governing motor driven swager.

Compared with the prior art, the utility model has the following beneficial effects:

According to the application, through the structures such as the fixed block, the unlocking component and the cutting component, the cutting knife can be effectively and rapidly taken down from the fixed block, so that a worker can conveniently replace or maintain the cutting knife at a higher speed, other tools are not needed to be used for disassembly, time and labor are saved for the worker, the cutting knife can be locked and fixed below the fixed block by matching with the designed locking rod, the stability of the cutting knife in operation is ensured, the cutting knife can be intermittently pushed to move up and down by the roller along with the driving of the servo motor, the intermittent cutting of the passing plastic film is realized, the sectional cutting of the plastic film is realized, the device can realize the sectional cutting of the plastic film at the same time of realizing the sectional cutting of the plastic film, the length of each section of the plastic film cut is equal, the rapid disassembly can be realized when the cutting knife is required to be replaced or maintained in the follow-up, and the cutting efficiency of the cutting device on the plastic film is ensured.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic side cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2 according to the present utility model;

FIG. 4 is a schematic perspective view of an unlocking assembly of the present utility model;

FIG. 5 is a schematic side cross-sectional view of an unlocking assembly of the present utility model;

fig. 6 is a schematic perspective view of a cutting assembly according to the present utility model.

Reference numerals and names in the drawings are as follows:

1. A fixed bottom plate; 2. a roller support plate; 3. a roll of plastic film; 4. a guide roller; 5. a material pressing roller; 6. a fixing frame; 601. perforating; 7. a support frame; 8. a servo motor; 801. a screw rod; 9. a sloping plate; 901. fixing the column; 10. a fixing plate; 1001. a cavity; 1002. a top-moving spring; 1003. a push rod; 11. unlocking the assembly; 1101. a door-shaped frame; 1102. a pull rod; 1103. a pressing plate; 1104. a locking lever; 1105. a compression spring; 12. a slide block; 13. a roller; 14. a limit rod; 15. a return spring; 16. a cutting assembly; 1601. a fixed block; 1602. a cutting knife; 1603. a slide block; 1604. a locking hole; 1605. and (5) a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, a sectional cutting device for plastic film production includes a fixed bottom plate 1, a fixed frame 6 is mounted on the right side of the fixed bottom plate 1, and a perforation 601 is formed on one side of the fixed frame 6 and at a position corresponding to a handle 1605; the inside of the fixed frame 6 is provided with a fixed plate 10, a fixed column 901 is fixed at the central position of the top of the fixed plate 10, the fixed column 901 movably penetrates through the fixed frame 6 and is fixed with a sloping plate 9, the bottom of the fixed plate 10 is provided with a cutting assembly 16, the cutting assembly 16 comprises a fixed block 1601 arranged in the fixed plate 10 and sliding blocks 1603 fixed on the front side and the rear side of the fixed block 1601, three equidistant locking holes 1604 are formed in the surface of the sliding blocks 1603, and a cutting knife 1602 is further fixed on the fixed plate 10; the left and right sides of fixed plate 10 all is provided with unblock subassembly 11, and unblock subassembly 11 is including fixing the door type frame 1101 on fixed plate 10, and the inside of door type frame 1101 is provided with clamp plate 1103, and one side of clamp plate 1103 just all is fixed with locking lever 1104 with the position corresponding department of every locking hole 1604, and fixed block 1601 passes through slider 1603 sliding connection in the spout of seting up in fixed plate 10 bottom, and one side of fixed block 1601 still is fixed with handle 1605.

In this embodiment, the top intermediate position of mount 6 is fixed with support frame 7, and servo motor 8 is installed to one side of support frame 7, and servo motor 8's power output shaft activity runs through to the inside of support frame 7 and is fixed with lead screw 801, and the screw thread cover is equipped with sliding body 12 on the body of rod of lead screw 801, and gyro wheel 13 is installed to the bottom of sliding body 12, and the top of sliding body 12 passes through stopper sliding connection at the interior roof of support frame 7.

Specifically, the servo motor 8 is used for driving the sliding body 12 to slide left and right in a reciprocating manner, so that the roller 13 is driven to push at the top of the inclined plate 9, the fixed plate 10 and the cutting assembly 16 connected below the inclined plate 9 are conveniently driven to move up and down intermittently, and the limiting block is arranged at the top of the sliding body 12, so that the movement direction and the movement distance of the sliding body 12 can be limited, and the stability of the sliding body 12 in movement is ensured.

In this embodiment, the unlocking assembly 11 further includes a compression spring 1105 fixed between the compression plate 1103 and the door frame 1101, and a pull rod 1102 movably penetrating the door frame 1101 is fixed at the middle of the compression plate 1103.

Specifically, by providing the pressing plate 1103, the plurality of locking bars 1104 can be pushed into the locking holes 1604 of the slider 1603 by the action of the pressing springs 1105, while the stability of the locking bars 1104 is maintained by the pressing plate 1103.

In this embodiment, a cavity 1001 is formed in the right inner cavity of the fixing plate 10, a pushing spring 1002 is fixed in the cavity 1001, a push rod 1003 is fixed at one end of the pushing spring 1002, and the push rod 1003 movably penetrates through the fixing plate 10 and abuts against the fixing block 1601.

Specifically, by providing the push spring 1002 and the push rod 1003 in the fixing plate 10, a certain pushing force can be effectively applied to the fixing block 1601, and on the one hand, the fixing block 1601 can be pushed out by the push rod 1003 when unlocking, and on the other hand, the fixing block 1601 can be fastened in the fixing plate 10 by the pushing force of the push rod 1003 when locking.

In this embodiment, the left and right sides of the top of the fixing plate 10 are also fixed with a stop lever 14, the top of the stop lever 14 movably penetrates through the top of the fixing frame 6 and is sleeved with a return spring 15, and a stop block fixedly connected with the return spring 15 is fixed on the top of the stop lever 14.

Specifically, through the gag lever post 14 and the reset spring 15 that set up, on the one hand can guarantee that fixed plate 10 keeps stable and direction when going on the activity from top to bottom, on the other hand can utilize reset spring 15's resilience to drive fixed plate 10 lifting, realizes intermittent motion's purpose.

In this embodiment, two roller support plates 2 are further fixed on the left side of the top of the fixed bottom plate 1, a plastic film roll 3 driven by a speed regulating motor is arranged between the two roller support plates 2, a guide roller 4 is further arranged on the top of the fixed bottom plate 1 and located on the right side of the roller support plates 2, and a pressing roller 5 driven by the speed regulating motor is further arranged on the top of the fixed bottom plate 1 and located on the right side of the guide roller 4.

Specifically, through the above-mentioned structure of setting, and then can be effectual with the plastic film on the plastic film roll 3 transmission to the below of cutting knife 1602, realize the purpose that the segmentation was cut to can realize changing plastic film transmission speed's purpose through the rotational speed of adjusting two speed governing motors.

When in use: when the cutting knife 1602 needs to be replaced, a worker pulls the pull rods 1102 on the left side and the right side of the fixed plate 10, drives the pressing plate 1103 through the pull rods 1102 so as to drive the compression springs 1105 to compress, and further drives the locking rod 1104 to withdraw from the locking hole 1604 of the sliding block 1603, when the sliding block 1603 does not obtain the limit locking of the locking rod 1104, the fixed block 1601 is pushed by the rebound of the push spring 1002 and the push rod 1003 so as to push the fixed block 1601 to slide, and further pushes the whole cutting assembly 16 to withdraw from a part from the bottom of the fixed plate 10, at the moment, the worker can extend hands into the perforation 601 and pull the whole cutting assembly 16 from the bottom of the fixed plate 10 through the pull rod 1605, then the worker can maintain and polish the cutting knife 1602, or replace the whole cutting assembly 16, and insert the cutting assembly 16 into the bottom of the fixed plate 10 again, and only need to push the cutting assembly 16 from the bottom 1103 of the fixed plate 10, through the sliding block 1603 in the sliding groove on the bottom of the fixed plate 10 until one side of the fixed block 1601 contacts the push rod 1003, and pushes the compression spring 1003 to generate a part, and when the compression rod 1104 is pushed by the compression rod 1603, and the locking assembly 1604 is not needed to be locked, and the locking assembly is locked into the bottom of the plurality of the locking assembly 1604, and the locking assembly is conveniently and tightly mounted;

When the plastic film is cut in a segmented mode, a worker can install the plastic film roll 3 between the two roller support plates 2, the plastic film passes through the top of the guide roller 4 and the bottom of the pressing roller 5 respectively, the plastic film is placed below the cutting assembly 16, two speed regulating motors are started to drive the plastic film roll 3 and the pressing roller 5 to rotate respectively, the plastic film roll 3 and the pressing roller 5 are rotated to continuously convey the plastic film by utilizing the rotation of the plastic film roll 3 and the rotation of the pressing roller 5, the servo motor 8 is started, the servo motor 8 drives the screw 801 to rotate, the sliding body 12 is driven to do linear reciprocating motion, the rolling motion on the inclined plate 9 is driven to be continuously carried out by the rolling body 13, when the inclined plate 9 is subjected to rolling of the rolling wheel 13, the inclined plate 9 can generate downward force, the inclined plate 10 is pushed to push the cutting assembly 16 to press down and cut the passing plastic film, after the rolling wheel 13 is removed from the inclined plate 9, the fixed plate 10 is subjected to return of the reset spring 15, the whole fixed plate 10 is driven again, and then the rolling assembly is driven to move down with the rolling assembly 13, and the rolling assembly is carried out, and the cutting assembly is cut into the plastic film by the gap, namely the plastic film is cut.

When plastic films with different specifications and lengths are required to be cut, a worker can adjust the rotation speeds of the two speed regulating motors so as to change the conveying speed of the plastic films (the faster the conveying speed is, the shorter the cut film is, and the longer the cut film is), so that the cutting knife 1602 is used for cutting the plastic films with different lengths, and the speed regulating motors are technical means known in the prior art, so that the working principle and the specific structure of the speed regulating motors are not repeated in the application.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The sectional cutting device for plastic film production comprises a fixed bottom plate (1), and is characterized in that a fixing frame (6) is arranged on the right side of the fixed bottom plate (1);

The inside of mount (6) is provided with fixed plate (10), the top intermediate position of fixed plate (10) is fixed with fixed column (901), fixed column (901) activity runs through mount (6) and is fixed with swash plate (9), the bottom of fixed plate (10) is provided with cuts subassembly (16), cut subassembly (16) including fixed block (1601) and slider (1603) fixed in both sides around fixed block (1601) in fixed plate (10), three equidistant locking hole (1604) have been seted up on the surface of slider (1603), still be fixed with cutting knife (1602) of fixed plate (10);

The left and right sides of fixed plate (10) all is provided with unblock subassembly (11), unblock subassembly (11) are including fixed door type frame (1101) on fixed plate (10), the inside of door type frame (1101) is provided with clamp plate (1103), one side of clamp plate (1103) and the position corresponding department with every locking hole (1604) all are fixed with locking lever (1104).

2. The sectional cutting device for plastic film production according to claim 1, wherein a supporting frame (7) is fixed at the top central position of the fixing frame (6), a servo motor (8) is installed at one side of the supporting frame (7), a power output shaft of the servo motor (8) movably penetrates through the inside of the supporting frame (7) and is fixedly provided with a screw rod (801), a sliding body (12) is sleeved on a rod body of the screw rod (801), a roller (13) is installed at the bottom of the sliding body (12), and the top of the sliding body (12) is connected to the inner top wall of the supporting frame (7) in a sliding mode through a limiting block.

3. The sectioning and cutting device for plastic film production according to claim 1, wherein the fixed block (1601) is slidably connected in a chute formed in the bottom of the fixed plate (10) through a slider (1603), and a handle (1605) is further fixed on one side of the fixed block (1601).

4. The sectioning and cutting device for plastic film production according to claim 1, wherein the unlocking assembly (11) further comprises a compression spring (1105) fixed between the pressing plate (1103) and the door-shaped frame (1101), and a pull rod (1102) movably penetrating through the door-shaped frame (1101) is fixed in the middle of the pressing plate (1103).

5. The sectional cutting device for plastic film production according to claim 1, wherein a cavity (1001) is formed in the right inner cavity of the fixing plate (10), a top-moving spring (1002) is fixed in the cavity (1001), a top rod (1003) is fixed at one end of the top-moving spring (1002), and the top rod (1003) movably penetrates through the fixing plate (10) and abuts against the fixing block (1601).

6. The sectioning and cutting device for plastic film production according to claim 1, wherein limit rods (14) are further fixed on the left side and the right side of the top of the fixing plate (10), the tops of the limit rods (14) movably penetrate through the top of the fixing frame (6) and are sleeved with return springs (15), and stop blocks fixedly connected with the return springs (15) are fixed on the tops of the limit rods (14).

7. The sectioning and cutting device for plastic film production according to claim 1, wherein a perforation (601) is further formed on one side of the fixing frame (6) at a position corresponding to the handle (1605).

8. The sectional cutting device for plastic film production according to claim 1, wherein two roller support plates (2) are further fixed on the left side of the top of the fixed bottom plate (1), a plastic film roll (3) driven by a speed regulating motor is arranged between the two roller support plates (2), a material guiding roller (4) is further arranged on the top of the fixed bottom plate (1) and positioned on the right side of the roller support plates (2), and a material pressing roller (5) driven by the speed regulating motor is further arranged on the top of the fixed bottom plate (1) and positioned on the right side of the material guiding roller (4).