CN217417671U

CN217417671U - Device for cutting preservative film

Info

Publication number: CN217417671U
Application number: CN202221386816.9U
Authority: CN
Inventors: 夏克进; 毛昌慧; 王日洪; 夏敢华
Original assignee: FUJIAN SHUNCHANG COUNTY SHENGSHENG WOOD CO LTD
Current assignee: FUJIAN SHUNCHANG COUNTY SHENGSHENG WOOD CO LTD
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-09-13
Anticipated expiration: 2032-06-06

Abstract

The utility model discloses a device for cutting plastic wrap, it includes the box body, the box body is inside to be seted up flutedly, installs a roll core fixed establishment in the recess, and roll core fixed establishment includes first installation head subassembly and second installation head subassembly, and first installation head subassembly includes first location axle and first installation head, first location axle install in on the left side wall of recess, first installation head rotationally overlaps locates on the first location axle, and second installation head subassembly includes second location axle and second installation head, and second location axle is installed on the right side wall of recess, and second installation head rotationally overlaps locates on the second location axle, and first installation head and second installation head form the centre gripping space of the roll core of plastic wrap, and the left side wall of recess is installed with the retainer, and the retainer wears to establish the left side wall of recess and with the left side wall threaded connection of recess, the length of retainer can be limited as the retainer with first installation head contact. The stop piece limits the rotation of the preservative film, so that the cutting operation is more stable.

Description

Device for cutting preservative film

Technical Field

The utility model relates to a plastic wrap cutting means especially relates to a device for cutting plastic wrap.

Background

The common preservative film cutting modes include three modes: a sliding blade, a sawtooth and a dot-and-break type. For example, chinese patent application No. CN200620015516.4 discloses a plastic wrap packing box with a cutting device, which comprises a box body, an outlet for pulling out the plastic wrap is arranged on the box body, a cutting device is arranged on the box body, the cutting device comprises a seat body and a blade mounting seat slidably arranged on the seat body, and a blade is fixed on the blade mounting seat. The cutting device is simple in structure and smoother than saw-tooth type and intermittent type cutting, but when the preservative film is cut by the preservative film cutting device, the preservative film can still rotate, so that the preservative film is loosened and not tightened, and the preservative film is deformed and shrunk together under stress when the preservative film is cut, so that the cutting opening is irregular, and the cutting is difficult; in addition, the plastic wrap packing carton of this structure can only adapt to the reel plastic wrap of specific length specification usually, for the reel plastic wrap of the different length specifications of adaptation, still need dispose the device that is used for cutting the plastic wrap of different length, causes the waste.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device for cutting plastic wrap.

Realize the utility model discloses the technical scheme of purpose is: a device for cutting preservative films comprises a box body, wherein a groove for placing preservative films is formed in the box body, a cutter groove is formed in the box body outside the groove, a cutting cutter component is arranged in the cutter groove in a sliding mode, a winding core fixing mechanism is arranged in the groove and comprises a first mounting head component and a second mounting head component, the first mounting head component comprises a first positioning shaft and a first mounting head, the first positioning shaft is mounted on the left side wall of the groove, the first mounting head component is rotatably sleeved on the first positioning shaft, the second mounting head component comprises a second positioning shaft and a second mounting head, the second positioning shaft is mounted on the right side wall of the groove, the second mounting head component is rotatably sleeved on the second positioning shaft, and the axis of the first positioning shaft is coincident with the axis of the second positioning shaft, the utility model discloses a plastic wrap, including first installation head, second installation head, first installation head with form the centre gripping space of the core of plastic wrap between the second installation head, install the restriction on the left side wall of recess first installation head pivoted retainer, the retainer wears to establish the left side wall of recess and with the left side wall threaded connection of recess, the length of retainer with the retainer can with first installation head deviates from the one side contact of second installation head is the limit.

Further, the cutting knife assembly comprises a knife blade mounting seat and a knife blade fixed on the knife blade mounting seat, the bottom of the knife blade mounting seat is embedded in the knife blade groove and is in sliding connection with the knife blade groove, a connecting piece is fixedly mounted on the side face of the knife blade mounting seat, the connecting piece is provided with a bending part bent downwards, an elastic pressing plate is mounted at the bottom of the bending part, and the elastic pressing plate is located above the box body and is in surface contact with the box body.

Furthermore, the second positioning shaft seat is slidably mounted on a sliding rail, a third positioning shaft is mounted between the second positioning shaft seat and the right side wall of the groove and parallel to the first positioning shaft, a spring is sleeved on the third positioning shaft, one end of the spring is fixed on the right side wall of the groove, the other end of the spring is abutted against the second positioning shaft seat, the second positioning shaft is horizontally mounted on the surface of the second positioning shaft seat deviating from the right side wall of the groove, and the second mounting head is rotatably sleeved on the second positioning shaft.

Furthermore, a box cover is detachably mounted above the groove.

Furthermore, a sliding groove is formed in the top of the box body, and two ends of the box cover are inserted into the sliding groove.

The utility model discloses a device for cutting plastic wrap, the retainer with first installation head contact utilizes the frictional force of retainer and first installation head to restrict the rotation of first installation head, and then the retainer has restricted the rotation of plastic wrap, makes the operation of cutting more stable.

Drawings

FIG. 1 is a schematic structural diagram of an apparatus for cutting plastic wrap according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the device for cutting plastic wrap according to the embodiment of the present invention without a box cover;

fig. 3 is a schematic structural diagram of the first mounting head assembly and the second mounting head assembly according to the embodiment of the present invention;

fig. 4 is a schematic structural view of the cutting blade assembly according to the embodiment of the present invention.

Detailed Description

The following detailed description of the preferred embodiments of the invention is made with reference to the accompanying drawings:

as shown in fig. 1 to 4, a device for cutting preservative films comprises a box body 1, wherein a groove 11 for placing preservative films is formed in the box body 1, a roll core fixing mechanism 2 is installed in the groove, a sliding groove 12 is formed in the top of the box body, and a box cover 3 is inserted into the sliding groove 12; be provided with sword groove 13 on the box body 1 in the recess 11 outside, sliding mounting has in sword groove 13 and cuts knife tackle spare 4, it includes blade mount pad 41 and is fixed in to cut knife tackle spare 4 blade 42 on the blade mount pad 41, the bottom of blade mount pad 41 inlays to be located in sword groove 13 and with sword groove 13 sliding connection, the side fixed mounting of blade mount pad 41 has connecting piece 43, connecting piece 43 has the kink 431 of downward bending, the bottom of kink 431 is installed and is had elastic pressing plate 44, elastic pressing plate 44 be located the top of box body 1 and with the surface contact of box body 1.

The winding core fixing mechanism 2 comprises a first mounting head component 21 and a second mounting head component 22 which are oppositely arranged, the first mounting head component 21 comprises a first positioning shaft 211 and a first mounting head 212, the first positioning shaft 211 is mounted on the left side wall 111 of the groove 11, the first mounting head 212 is rotatably sleeved on the first positioning shaft 211, the second mounting head component 22 comprises a sliding rail 221, a second positioning shaft seat 222, a second positioning shaft 223 and a second mounting head 224, the sliding rail 221 is fixedly mounted on the bottom surface 112 of the groove 11 and is parallel to the first positioning shaft 211, the second positioning shaft seat 222 is slidably mounted on the sliding rail 221, a third positioning shaft 225 is mounted between the second positioning shaft seat 222 and the right side wall 113 of the groove 11, the third positioning shaft 225 is parallel to the first positioning shaft 211, and a spring 226 is sleeved on the third positioning shaft 225, one end of the spring 226 is fixed on the right side wall 113 of the groove 11, the other end of the spring 226 abuts against the second positioning shaft seat 222, the second positioning shaft 223 is horizontally installed on the surface of the second positioning shaft seat 222 departing from the right side wall 113 of the groove, the axis of the first positioning shaft 211 is overlapped with the axis of the second positioning shaft 223, the second mounting head 224 is rotatably sleeved on the second positioning shaft 223, and a clamping space of a winding core of the preservative film 10 is formed between the first mounting head 212 and the second mounting head 223; the left side wall 111 of the groove is provided with a stop member 213 for limiting the rotation of the first mounting head 212, the stop member 213 passes through the left side wall 111 of the groove and is in threaded connection with the left side wall 111 of the groove, and the length of the stop member 213 is limited by the contact between the stop member 213 and a surface 2121 of the first mounting head 212 departing from the second mounting head 224.

When the preservative film is installed, the second positioning shaft seat is pushed to slide towards one side deviating from the first positioning shaft, then one end of a roll core of the preservative film is sleeved on the first installation head, then the second positioning shaft seat is loosened, the spring resets and pushes the second positioning shaft seat to the other end of the roll core of the preservative film until the second installation head penetrates into the other end of the roll core of the preservative film, and therefore the two ends of the roll core of the preservative film are respectively sleeved on the first installation head and the second installation head.

When the preservative film cutting device is used, the preservative film is stretched to the cutting knife component, the elastic pressing sheet is manually and slightly lifted and then pressed on the preservative film, the stopping piece is laterally rotated towards the first mounting head until the stopping piece is contacted with the first mounting head, the rotation of the first mounting head is limited by the friction force between the stopping piece and the first mounting head, the preservative film stops rotating, and the cut preservative film is tidy.

The mounting structure of the box body of the utility model is not limited to the embodiment, and can be hinged and fixed in a conventional way; the structure of the cutting knife component is not limited to the embodiment, and the plastic wrap can be further limited during cutting by additionally arranging the elastic pressing sheet, so that the smoothness and the flatness of cutting are improved; the second installation shaft can be directly fixed on the side wall of the groove, but the slidable structure of the embodiment enables the distance between the second installation head and the first installation head to be adjustable, so that the length of the clamping space of the preservative film can be adjusted, the preservative film can be used for installing preservative films with various lengths, and the application range of products is expanded.

The above only be the embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all utilize the equivalent flow transform that the content of the specification was made, or direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses a patent protection within range.

Claims

1. The utility model provides a device for cutting plastic wrap, its includes the box body, the inside recess that is used for placing the plastic wrap of seting up of box body, be provided with the sword groove on the box body in the recess outside, slidable mounting has the cutter knife tackle spare, its characterized in that in the sword groove: the fresh-keeping film packaging structure is characterized in that a winding core fixing mechanism is installed in the groove and comprises a first mounting head assembly and a second mounting head assembly, the first mounting head assembly comprises a first positioning shaft and a first mounting head, the first positioning shaft is installed on the left side wall of the groove, the first mounting head is rotatably sleeved on the first positioning shaft, the second mounting head assembly comprises a second positioning shaft and a second mounting head, the second positioning shaft is installed on the right side wall of the groove, the second mounting head is rotatably sleeved on the second positioning shaft, the axis of the first positioning shaft coincides with the axis of the second positioning shaft, a clamping space of a winding core of a fresh-keeping film is formed between the first mounting head and the second mounting head, a stop piece for limiting the rotation of the first mounting head is installed on the left side wall of the groove, and the stop piece penetrates through the left side wall of the groove and is in threaded connection with the left side wall of the groove, the length of the stopper is limited to the extent that the stopper can be brought into contact with a face of the first mounting head facing away from the second mounting head.

2. The apparatus for cutting plastic wrap according to claim 1, wherein: the utility model discloses a cutting tool, including blade mount pad and the blade of blade mount pad, the bottom of blade mount pad inlays to be located in the sword inslot and with sword groove sliding connection, the side fixed mounting of blade mount pad has the connecting piece, the connecting piece has the kink of buckling downwards, the elastic pressure board is installed to the bottom of kink, the elastic pressure board is located the top of box body and with the surface contact of box body.

3. The apparatus for cutting plastic wrap according to claim 2, wherein: the second positioning shaft seat is slidably mounted on a sliding rail, a third positioning shaft is mounted between the second positioning shaft seat and the right side wall of the groove and parallel to the first positioning shaft, a spring is sleeved on the third positioning shaft, one end of the spring is fixed on the right side wall of the groove, the other end of the spring is abutted against the second positioning shaft seat, the second positioning shaft is horizontally mounted on the surface of the second positioning shaft seat, which is deviated from the right side wall of the groove, and the second mounting head is rotatably sleeved on the second positioning shaft.

4. The apparatus for cutting plastic wrap according to claim 1, wherein: a box cover is detachably mounted above the groove.

5. The apparatus for cutting plastic wrap according to claim 4, wherein: the top of the box body is provided with a sliding groove, and two ends of the box cover are inserted into the sliding groove.