CN113104651B - Cutting and breaking device for preservative film - Google Patents
Cutting and breaking device for preservative film Download PDFInfo
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- CN113104651B CN113104651B CN202110402418.5A CN202110402418A CN113104651B CN 113104651 B CN113104651 B CN 113104651B CN 202110402418 A CN202110402418 A CN 202110402418A CN 113104651 B CN113104651 B CN 113104651B
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- cutting
- box body
- preservative film
- groove
- rotating shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
- B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/08—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession
- B65D83/0805—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall
- B65D83/0811—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall with means for assisting dispensing
- B65D83/0835—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall with means for assisting dispensing the articles being pulled out of the container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/04—Kinds or types
- B65H75/16—Cans or receptacles, e.g. sliver cans
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Unwinding Webs (AREA)
Abstract
The invention relates to a cutting and breaking device for a preservative film, which belongs to the technical field of preservative film cutting tools and comprises the following components: a case body; the rotating shaft is arranged in the box body and is rotationally connected with the box body and used for realizing rotation and release of the preservative film; the box cover is arranged on the box body, the box cover is detachably connected with the box body, and the preservative film extends out of the joint of the box cover and the box body; the cutting assembly is arranged on the box cover and positioned right above the preservative film extending out of the box body and is used for cutting the preservative film; according to the invention, the preservative film can be cut in order through the cutting edge on the cutting assembly, and the cutting table is matched with the cutting edge, so that the damage of the cutting edge to the human body is avoided, in addition, the cut preservative film is partially arranged on the cutting table, the need of restarting the box cover for taking out the preservative film in the next use is avoided, and the convenience of use is improved; the device is convenient to use, simple to operate, high in practicality and worthy of popularization.
Description
Technical Field
The invention belongs to the technical field of preservative film cutting tools, and particularly relates to a cutting and breaking device for a preservative film.
Background
The preservative film is a kitchen article and is favored by people in terms of convenience, economy and beautiful appearance. Most people are office workers at present, the life of the office workers is fast, the time spent on cooking is insufficient, the office workers generally purchase foods such as vegetables and fish which need to be eaten for a period of time from the market at one time, then the foods are cleaned in advance and cut into shapes which are convenient to burn, the foods are placed in containers such as bowls, the mouth of the containers is sealed by a preservative film, and the containers are placed in a refrigerator for preservation; the existing preservative film is in a roll form for convenient packaging and use, and the preservative film is cut off in a manual tearing mode during use; as the preservative film is soft and has very good ductility, the problem of uneven layering at the position of folds and fractures easily occurs in the tearing process; the irregular fracture is not only inconvenient for the next use, but also is easy to waste the preservative film; therefore, a cutting and breaking device for the preservative film is urgently needed.
Disclosure of Invention
In view of the above, the invention provides a cutting and breaking device for preservative films, so as to solve the defects in the prior art.
The technical scheme of the invention is as follows:
a cut-and-break device for a preservative film, comprising:
a case body;
the rotating shaft is arranged in the box body and is rotationally connected with the box body and used for realizing rotation and release of the preservative film;
the box cover is arranged on the box body, the box cover is detachably connected with the box body, and the preservative film extends out of the joint of the box cover and the box body;
the cutting assembly is arranged on the box cover and positioned right above the preservative film extending out of the box body and is used for cutting the preservative film;
the cutting assembly comprises a cutting head, a slideway is arranged on one side of the box cover, which is close to the box body, one end of the cutting head is in matched sliding connection with the slideway, a cutting edge is arranged at one end of the cutting head, which is far away from the slideway, a cutting table is horizontally arranged on one side of the box body, which is close to the cutting edge, a safety groove matched with the cutting table is arranged on the cutting table, and the cutting edge stretches into the safety groove and is in sliding connection with the cutting table.
Preferably, one end of the cutting head, which is far away from the cutting edge, is provided with a sliding block, the sliding block is embedded into the sliding way to be connected in a matched mode, one end of the sliding way, which is far away from the sliding block, is provided with a first spring, one end of the first spring is connected with the sliding block, and the other end of the first spring is connected with the sliding way.
Preferably, the through groove is formed in the top of the box cover and located right above the slideway, a connecting rod is vertically arranged in the through groove, one end of the connecting rod, far away from the sliding block, extends out of the through groove, the other end of the connecting rod is sleeved with the sliding sleeve and is in sliding connection with the sliding sleeve, the other end of the sliding sleeve is fixedly connected with the sliding block, a limit hole is formed in one side, far away from the sliding sleeve, of the through groove, a limit block is fixedly arranged below the limit hole, and the limit block is connected with the limit hole in a matched mode.
Preferably, one end of the sliding sleeve, which is far away from the sliding block, is provided with a limiting orifice plate, and the end part of the connecting rod, which corresponds to the limiting orifice plate, is fixedly provided with a step.
Preferably, two connectors are symmetrically sleeved at two ends of the rotating shaft respectively, a sliding groove is formed in the rotating shaft along the axis, a sliding block is arranged on the inner wall of the connector corresponding to the sliding groove, the sliding block is embedded into the sliding groove to be connected in a matched mode, a conical tube is arranged at one end, far away from the box body, of the connector, and the diameter of the proximal end of the conical tube is larger than that of the distal end of the conical tube and a plurality of cracks are evenly formed in the axis.
Preferably, the through hole has been seted up to the side of box body, and the one end of pivot passes the through hole and rotates with the box body to be connected, and the other end passes through the bearing with the inner wall of box body to be connected, and the one end that the box body was kept away from to the pivot has set firmly rotatory hand wheel.
Preferably, two second springs are respectively and symmetrically sleeved on the rotating shaft, the two second springs are respectively positioned between the connector and the box body, an annular groove matched with the second springs is formed in the inner wall of the box body and one side, away from the conical tube, of the connector, and the second springs are connected with the annular groove in a matched mode.
Preferably, the box body is located the outer wall at pivot both ends and articulates respectively has two buckles, and the draw-in groove has been seted up to the lid correspondence buckle, and the buckle is connected with the draw-in groove cooperation.
Compared with the prior art, the cutting and breaking device for the preservative film can cut the preservative film neatly through the cutting edge on the cutting assembly, and the cutting table is matched with the cutting edge to be used, so that the damage of the cutting edge to the human body is avoided, in addition, the cut preservative film is partially arranged on the cutting table, the need of restarting the box cover to take out the preservative film in the next use is avoided, and the convenience of use is improved; the cutting head is connected with the spring, so that the cutting uniformity of the preservative film can be further improved through a relatively high initial cutting speed; the steps on the through grooves are matched with the sliding blocks, so that the preservative film can be cut by one hand, the other hand of a user is liberated, and the use comfort is improved; the fixing head of the clamping assembly can adapt to preservative film rolls with various specifications and inner diameters, and the fixing head is matched with the spring for use, so that preservative film rolls with different lengths can be fixed, and the convenience of use of the device is further improved; the preservative film is rewound through a rotating hand wheel on the rotating shaft, so that waste caused by pulling out the redundant preservative film is avoided; the device is convenient to use, simple to operate, high in practicality and worthy of popularization.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a cross-sectional view A-A of the present invention;
FIG. 4 is a B-B cross-sectional view of the present invention;
FIG. 5 is a C-C cross-sectional view of the present invention;
FIG. 6 is an enlarged schematic view of the invention at D;
fig. 7 is an enlarged schematic view of the invention at E.
Reference numerals illustrate: the novel rotary cutting tool comprises a 1-box body, a 2-rotating shaft, a 3-box cover, a 4-cutting head, a 5-slideway, a 6-blade, a 7-cutting table, an 8-safety groove, a 21-slider, a 22-first spring, a 31-through groove, a 32-connecting rod, a 33-sliding sleeve, a 34-limiting hole, a 35-limiting block, a 41-limiting hole, a 42-step, a 51-connecting head, a 52-sliding groove, a 53-conical tube, a 54-split, a 61-through hole, a 62-rotating hand wheel, a 71-second spring, a 72-ring, a 81-buckle and a 82-clamping groove.
Detailed Description
The invention provides a cutting and breaking device of a preservative film, and the invention is described below with reference to the structural schematic diagrams of fig. 1 to 7.
Example 1
As shown in fig. 1-2, a cutting and breaking device for a plastic wrap comprises:
a case 1;
the rotating shaft 2 is arranged in the box body 1, and the rotating shaft 2 is rotationally connected with the box body 1 and is used for realizing rotation release of the preservative film;
the box cover 3 is arranged on the box body 1, the box cover 3 is detachably connected with the box body 1, and the preservative film extends out of the joint of the box cover 3 and the box body 1;
the cutting assembly is arranged on the box cover 3 and is positioned right above the preservative film extending box body 1 and is used for cutting the preservative film;
as shown in fig. 5, 6 and 7, the cutting assembly comprises a cutting head 4, a slide way 5 is arranged on one side of the box cover 3, which is close to the box body 1, one end of the cutting head 4 is in matched sliding connection with the slide way 5, a cutting edge 6 is arranged on one end of the cutting head 4, which is far away from the slide way 5, a cutting table 7 is horizontally arranged on one side of the box body 1, which is close to the cutting edge 6, a safety groove 8 which is matched with the cutting table 7 is arranged on the cutting table 7, and the cutting edge 6 extends into the safety groove 8 and is in sliding connection with the cutting table 7.
Preferably, a limiting orifice plate 41 is disposed at one end of the sliding sleeve 33 away from the sliding block 21, and a step 42 is fixedly disposed at the end of the connecting rod 32 corresponding to the limiting orifice plate 41.
Preferably, the side of the box body 1 is provided with a through hole 61, one end of the rotating shaft 2 passes through the through hole 61 and is rotationally connected with the box body 1, the other end is connected with the inner wall of the box body 1 through a bearing, and one end of the rotating shaft 2 far away from the box body 1 is fixedly provided with a rotating hand wheel 62.
Preferably, two second springs 71 are symmetrically sleeved on the rotating shaft 2, the two second springs 71 are respectively located between the connector 51 and the box body 1, an annular groove 72 matched with the second springs 71 is formed in the inner wall of the box body 1 and one side, away from the conical tube 53, of the connector 51, and the second springs 71 are connected with the annular groove 72 in a matched mode.
Preferably, the outer walls of the box body 1 at two ends of the rotating shaft 2 are respectively hinged with two buckles 81, the box cover 3 is provided with a clamping groove 82 corresponding to the buckles 81, and the buckles 81 are connected with the clamping groove 82 in a matched mode.
When the preservative film is used for cutting and breaking packaging, the rotating shaft is pulled out from one side of the box body, the connectors are arranged at the two ends of the preservative film roll and placed in the box body, and then the rotating shaft penetrates through the preservative film roll and is fixed with the box body; after the preservative film roll is installed, one end of the preservative film is pulled out of the cutting table, and the box cover is buckled and fixed through the buckle; when the preservative film is needed to be cut off, the first spring of the connecting rod is pressed down to drive the blade to cut off the preservative film; when the connecting rod is used for the second time, the connecting rod is pulled to the other end and lifted upwards to lock.
Example 2
In order to further improve the uniformity of plastic wrap cutting, set up first spring and cutting edge fast cutting plastic wrap.
Preferably, one end of the cutting head 4 far away from the cutting edge 6 is provided with a sliding block 21, the sliding block 21 is embedded into the slide way 5 to be connected in a matched mode, one end of the slide way 5 far away from the sliding block 21 is provided with a first spring 22, one end of the first spring 22 is connected with the sliding block 21, and the other end of the first spring 22 is connected with the slide way 5.
Example 3
In order to further improve convenience when the plastic wrap is cut, a limiting block and a limiting hole are arranged to lock a cutting head, and the connector is gently pressed to automatically cut the plastic wrap during cutting.
Preferably, the top of the box cover 3 is located right above the slide way 5, a through groove 31 is formed, a connecting rod 32 is vertically arranged in the through groove 31, one end of the connecting rod 32, far away from the sliding block 21, extends out of the through groove 31, the other end of the connecting rod 32 is sleeved with a sliding sleeve 33 and is in sliding connection with the sliding sleeve 33, the other end of the sliding sleeve 33 is fixedly connected with the sliding block 21, a limiting hole 34 is formed in one side, far away from the sliding sleeve 33, of the through groove 31, a limiting block 35 is fixedly arranged below the limiting hole 34, and the limiting block 35 is connected with the limiting hole 34 in a matched mode.
Example 4
In order to further improve the availability factor of cutting device, set up connector and second spring can fix the plastic wrap of different internal diameters, different length.
As shown in fig. 3 and 4, preferably, two connectors 51 are symmetrically sleeved at two ends of the rotating shaft 2, a sliding groove 52 is provided along the axis on the rotating shaft 2, a sliding block 21 is provided on the inner wall of the connector 51 corresponding to the sliding groove 52, the sliding block 21 is embedded into the sliding groove 52 for matching connection, a conical tube 53 is provided at one end of the connector 51 far away from the box body 1, and the proximal diameter of the conical tube 53 is larger than the distal diameter and a plurality of slits 54 are uniformly provided along the axis.
According to the cutting and breaking device for the preservative film, the preservative film can be cut in order through the cutting edge on the cutting assembly, and the cutting table is matched with the cutting edge, so that damage to the human body caused by the cutting edge is avoided, in addition, the cut preservative film is partially arranged on the cutting table, the need of restarting the box cover for taking out the preservative film in the next use is avoided, and the convenience of use is improved; the cutting head is connected with the spring, so that the cutting uniformity of the preservative film can be further improved through a relatively high initial cutting speed; the steps on the through grooves are matched with the sliding blocks, so that the preservative film can be cut by one hand, the other hand of a user is liberated, and the use comfort is improved; the fixing head of the clamping assembly can adapt to preservative film rolls with various specifications and inner diameters, and the fixing head is matched with the spring for use, so that preservative film rolls with different lengths can be fixed, and the convenience of use of the device is further improved; the preservative film is rewound through a rotating hand wheel on the rotating shaft, so that waste caused by pulling out the redundant preservative film is avoided; the device is convenient to use, simple to operate, high in practicality and worthy of popularization.
The foregoing disclosure is only illustrative of the preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any variations within the scope of the present invention will be apparent to those skilled in the art.
Claims (4)
1. Cutting and breaking device of plastic wrap, characterized by comprising:
a box body (1);
the rotating shaft (2) is arranged in the box body (1), and the rotating shaft (2) is rotationally connected with the box body (1) and is used for realizing rotation and release of the preservative film;
the box cover (3) is arranged on the box body (1), the box cover (3) is detachably connected with the box body (1), and the preservative film extends out of the joint of the box cover (3) and the box body (1);
the cutting assembly is arranged on the box cover (3) and is positioned right above the preservative film extending box body (1) and is used for cutting the preservative film;
the cutting assembly comprises a cutting head (4), a slide way (5) is arranged on one side, close to the box body (1), of the box cover (3), one end of the cutting head (4) is in matched sliding connection with the slide way (5), a cutting edge (6) is arranged at one end, far away from the slide way (5), of the cutting head (4), a cutting table (7) is horizontally arranged on one side, close to the cutting edge (6), of the box body (1), a safety groove (8) matched with the cutting edge (6) is formed in the cutting table (7), and the cutting edge (6) stretches into the safety groove (8) and is in sliding connection with the cutting table (7);
one end of the cutting head (4) far away from the cutting edge (6) is provided with a sliding block (21), the sliding block (21) is embedded into the slide way (5) for matching connection, one end of the slide way (5) far away from the sliding block (21) is provided with a first spring (22), one end of the first spring (22) is connected with the sliding block (21), and the other end of the first spring is connected with the slide way (5);
the top of the box cover (3) is positioned right above the slide way (5) and is provided with a through groove (31), the inside of the through groove (31) is vertically provided with a connecting rod (32), one end of the connecting rod (32) far away from the sliding block (21) extends out of the through groove (31), the other end of the connecting rod is sleeved with a sliding sleeve (33) and is in sliding connection with the sliding sleeve, the other end of the sliding sleeve (33) is fixedly connected with the sliding block (21), one side of the through groove (31) far away from the sliding sleeve (33) is provided with a limiting hole (34), the connecting rod (32) is positioned below the limiting hole (34) and is fixedly provided with a limiting block (35), and the limiting block (35) is in matched connection with the limiting hole (34);
one end of the sliding sleeve (33) far away from the sliding block (21) is provided with a limiting orifice plate (41), and the end part of the connecting rod (32) corresponds to the limiting orifice plate (41) and is fixedly provided with a step (42); when the preservative film is needed to be cut off, the connecting rod (32) is pressed down, and the first spring (22) drives the blade (6) to cut off the preservative film; when in secondary use, the connecting rod (32) is pulled to the other end, and the connecting rod (32) is lifted upwards to lock;
two connectors (51) are symmetrically sleeved at two ends of the rotating shaft (2), a sliding groove (52) is formed in the rotating shaft (2) along the axis, a sliding block (21) is arranged on the inner wall of the connector (51) corresponding to the sliding groove (52), the sliding block (21) is embedded into the sliding groove (52) to be connected in a matched mode, a conical tube (53) is arranged at one end, far away from the box body (1), of the connector (51), and the diameter of the proximal end of the conical tube (53) is larger than that of the distal end, and a plurality of cracks (54) are evenly formed in the axis.
2. The cutting and breaking device of the preservative film according to claim 1, characterized in that a through hole (61) is formed in the side face of the box body (1), one end of the rotating shaft (2) penetrates through the through hole (61) and is rotationally connected with the box body (1), the other end of the rotating shaft is connected with the inner wall of the box body (1) through a bearing, and a rotating hand wheel (62) is fixedly arranged at one end, far away from the box body (1), of the rotating shaft (2).
3. The cutting and breaking device of the preservative film according to claim 1, characterized in that two second springs (71) are respectively and symmetrically sleeved on the rotating shaft (2), the two second springs (71) are respectively positioned between the connector (51) and the box body (1), annular grooves (72) are respectively and symmetrically formed on the inner wall of the box body (1) and one side, far away from the conical tube (53), of the connector (51), and the second springs (71) are connected with the annular grooves (72) in a matched mode.
4. The cutting and breaking device of the preservative film according to claim 1, wherein the outer walls of the box body (1) at two ends of the rotating shaft (2) are respectively hinged with two buckles (81), the box cover (3) is provided with a clamping groove (82) corresponding to the buckles (81), and the buckles (81) are connected with the clamping groove (82) in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110402418.5A CN113104651B (en) | 2021-04-14 | 2021-04-14 | Cutting and breaking device for preservative film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110402418.5A CN113104651B (en) | 2021-04-14 | 2021-04-14 | Cutting and breaking device for preservative film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113104651A CN113104651A (en) | 2021-07-13 |
| CN113104651B true CN113104651B (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110402418.5A Active CN113104651B (en) | 2021-04-14 | 2021-04-14 | Cutting and breaking device for preservative film |
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| CN (1) | CN113104651B (en) |
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