CN220882458U - Polylactic acid plastic bag cutting device - Google Patents
Polylactic acid plastic bag cutting device Download PDFInfo
- Publication number
- CN220882458U CN220882458U CN202322837037.7U CN202322837037U CN220882458U CN 220882458 U CN220882458 U CN 220882458U CN 202322837037 U CN202322837037 U CN 202322837037U CN 220882458 U CN220882458 U CN 220882458U
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- CN
- China
- Prior art keywords
- cutting
- plastic bag
- polylactic acid
- acid plastic
- cutting device
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- 238000005520 cutting process Methods 0.000 title claims abstract description 109
- 229920003023 plastic Polymers 0.000 title claims abstract description 55
- 239000004033 plastic Substances 0.000 title claims abstract description 55
- 229920000747 poly(lactic acid) Polymers 0.000 title claims abstract description 35
- 239000004626 polylactic acid Substances 0.000 title claims abstract description 34
- 238000003825 pressing Methods 0.000 claims description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Crushing And Pulverization Processes (AREA)
Abstract
The utility model discloses a polylactic acid plastic bag cutting device which comprises a cutting frame and a cutting knife, wherein the cutting knife is arranged at the top of the cutting frame, a cutting table is arranged at the top of the cutting frame, a U-shaped plate is arranged at the top of the cutting frame, a screw rod is arranged on one side of the inside of the U-shaped plate, a sliding rod is arranged on the other side of the inside of the U-shaped plate, cutting blocks are sleeved on one end parts of the screw rod and the sliding rod, a supporting frame is arranged between the inner walls of the two cutting blocks, the screw rod is driven to synchronously rotate after a stepping motor is started, the two cutting blocks synchronously move up and down, and are contacted with the surface of a polylactic acid plastic bag, so that the cutting table can be cut into proper lengths, the problem that the cutting knife and the plastic bag are cut by manually stepping a pedal switch is solved, automatic cutting of the polylactic acid plastic bag is realized by using the stepping motor and the supporting frame, and the efficiency of the cutting device is improved.
Description
Technical Field
The utility model relates to the technical field of cutting of polylactic acid plastic bags, in particular to a cutting device of a polylactic acid plastic bag.
Background
Polylactic acid, also called polylactide, is a novel biodegradable material, which is a degradable material with good physical and mechanical properties, and is commonly used for producing disposable products, and in the production process of plastic bags, people usually need to send the material to the bottom of a cutting knife when cutting the product, so that the cutting knife of the device contacts with the plastic bags, and the plastic bags are cut into the required size or shape.
The utility model discloses a polylactic acid plastic bag cutting device in patent of publication number CN218138426U, including the rack, the rack top is provided with the mount table, and the mount table is total two through bolt and rack fixed connection, two mount tables are provided with damping hinge in opposite directions one side, and damping hinge is provided with the roller bearing in opposite directions one side, and the roller bearing both ends are through bearing and damping hinged joint, and the rack top is provided with cutting mechanism, and cutting mechanism includes cutting knife and places the platform.
In the technology, the cutting knife can be contacted with the plastic bag by pressing the pedal switch to cut the plastic bag into the required size or shape, but because the number of the polylactic acid plastic bags is relatively large, workers are required to repeatedly press the pedal to cut the surface of the plastic bag, the process is very labor-consuming, leg muscles are easy to be acid-expanded, the practicability is not realized, the cutting speed of the plastic bag is relatively low, and the efficiency of the cutting device is reduced, so that the technology is innovated.
Disclosure of utility model
The utility model aims to provide a polylactic acid plastic bag cutting device, which aims to solve the problems that in the background technology, workers are required to repeatedly step on pedals to cut the surface of a plastic bag, the process is very physical exertion, leg muscles are easy to be acid-expanded and the practicability is not realized.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a polylactic acid plastic bag cutting device, includes cutting frame and cutting knife, the cutting knife sets up at the top of cutting frame, the top of cutting frame is provided with the cutting board, the top of cutting frame is provided with the U-shaped board, one side of U-shaped board inside is provided with the lead screw, the opposite side of U-shaped board inside is provided with the slip stick, the lead screw all overlaps with the tip of slip stick and is equipped with the cutting piece, two be provided with braced frame between the inner wall of cutting piece, one side at U-shaped board top is provided with step motor, one side fixed mounting of braced frame has the arc.
As a preferable technical scheme of the utility model, the top end of the cutting knife is fixedly connected with the bottom end of the supporting frame, and the output shaft of the stepping motor is in transmission connection with one end of the screw rod.
As a preferable technical scheme of the utility model, one cutting block is sleeved with one end part of the screw rod in a threaded manner, and the other cutting block is movably sleeved with one end part of the sliding rod.
As a preferable technical scheme of the utility model, the two cutting blocks are arranged at corresponding positions.
As a preferable technical scheme of the utility model, the top end of the arc-shaped plate is provided with a pressing groove, and two sliding rods are slidably arranged in the pressing groove.
As a preferable technical scheme of the utility model, one end of each sliding rod is fixedly provided with a U-shaped rod, and two sides of each U-shaped rod are fixedly provided with reinforcing plates.
As a preferable technical scheme of the utility model, the bottom ends of the four reinforcing plates are respectively provided with a vertical rod, and one ends of the four vertical rods are respectively provided with a pressing plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the polylactic acid plastic bag cutting device, the screw rod, the sliding rod, the supporting frame, the cutting knife, the vertical rod and the pressing disc are arranged, after the stepping motor is started, the screw rod is driven to synchronously rotate, the two cutting blocks synchronously move up and down, the cutting knife is driven to move up and down, and after the cutting knife gradually moves down, the cutting knife is contacted with the surface of the polylactic acid plastic bag, so that the polylactic acid plastic bag cutting device can be cut into proper lengths, the problem that the cutting knife and the plastic bag are cut due to manual stepping of the pedal switch is solved, automatic cutting of the polylactic acid plastic bag can be realized by utilizing the stepping motor and the supporting frame, and the efficiency of the cutting device is improved.
2. According to the polylactic acid plastic bag cutting device, the arc-shaped plate, the sliding rod, the pressing groove and the U-shaped rod are arranged, so that the friction force between the sliding rod and the pressing groove is relatively large, when no pressure is applied to the sliding rod, the sliding rod is kept motionless in the pressing groove, after the cutting knife and the surface of the plastic bag are cut, the bottom surfaces of the four pressing plates are respectively pressed with the surface of the plastic bag, and one side of the plastic bag can be pressed, so that the plastic bag is kept stable.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is an enlarged view of FIG. 2A in accordance with the present utility model;
Fig. 4 is a partial bottom view of the present utility model.
In the figure: 1. a cutting frame; 2. a cutting table; 3. a U-shaped plate; 4. a screw rod; 5. a stepping motor; 6. a sliding bar; 7. cutting the block; 8. a support frame; 9. a cutting knife; 10. an arc-shaped plate; 11. a slide bar; 12. a U-shaped rod; 13. a reinforcing plate; 14. a vertical bar; 15. pressing a disc; 16. pressing the groove.
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. 1-4, the present utility model provides a technical solution of a cutting device for a polylactic acid plastic bag:
embodiment one:
As shown in fig. 1-3, a polylactic acid plastic bag cutting device comprises a cutting frame 1 and a cutting knife 9, wherein the cutting knife 9 is arranged at the top of the cutting frame 1, a cutting table 2 is arranged at the top of the cutting frame 1, a U-shaped plate 3 is arranged at the top of the cutting frame 1, a sliding rod 6 is arranged at the other side of the inside of the U-shaped plate 3, a cutting block 7 is sleeved at one end of the sliding rod 6 and the screw rod 4, a supporting frame 8,U is arranged between the inner walls of the two cutting blocks 7, a stepping motor 5 is arranged at one side of the top of the supporting frame 8,U, an arc-shaped plate 10 is fixedly arranged at one side of the supporting frame 8, one cutting block 7 is sleeved with one end thread of the screw rod 4, the other cutting block 7 is movably sleeved with one end of the sliding rod 6, and the cutting knife 9 gradually moves downwards and then contacts the surface of the polylactic acid plastic bag, so that the cutting tool 9 and the plastic bag can be cut into proper lengths, the problem that the cutting knife 9 and the plastic bag are cut by manually stepping a pedal switch is solved, and automatic cutting of the polylactic acid plastic bag can be realized by the stepping motor 5 and the supporting frame 8.
Embodiment two:
On the basis of the first embodiment, as shown in fig. 1 and 4, a pressing groove 16 is formed in the top end of an arc plate 10, two sliding rods 11 are slidably installed in the pressing groove 16, one ends of the two sliding rods 11 are fixedly installed with a U-shaped rod 12, and two sides of the two U-shaped rods 12 are fixedly installed with reinforcing plates 13.
Working principle: the plastic bag made of polylactic acid material has degradable mechanical property, improves the usability of the plastic bag, is convenient to process and recycle, needs to be cut into proper length when the polylactic acid plastic bag is manufactured and produced, at the moment, needs to be mutually cut with the surface of the plastic bag by utilizing the cutting knife 9, at the moment, a worker can sequentially place the polylactic acid plastic bag with longer length on the surface of the cutting table 2 and positioned at the bottom of the cutting knife 9, then, the stepping motor 5 is started, after the stepping motor 5 is started, the screw rod 4 is driven to synchronously rotate, the cutting blocks 7 are tightly attached to the inner wall of the U-shaped plate 3, in the rotating process of the screw rod 4, one of the cutting blocks 7 only can move up and down, the two cutting blocks 7 are fixed by the supporting frame 8, so that the two cutting blocks 7 synchronously move up and down, the cutter 9 is driven to move up and down, the cutter 9 gradually moves downwards and then contacts the surface of the polylactic acid plastic bag, the surface of the cutter 9 is sharp enough, the cutter 9 can be split after contacting the surface of the polylactic acid plastic bag, and can be cut into proper lengths, the problem that the cutter 9 and the plastic bag are cut by manually pressing a pedal switch is solved, the automatic cutting of the polylactic acid plastic bag can be realized by using the stepping motor 5 and the supporting frame 8, the efficiency of the cutting device is improved, the friction force between the sliding rod 11 and the pressing groove 16 is relatively large, the sliding rod 11 is kept motionless in the pressing groove 16 when no pressure is applied to the sliding rod 11, the bottom surfaces of the four pressing discs 15 are respectively pressed with the surface of the plastic bag after the cutter 9 and the surface of the plastic bag are cut, one side of the plastic bag can be pressed, so that the cutting device is kept stable and the practicability of the cutting device is improved.
In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a polylactic acid plastic bag cutting device, includes cutting frame (1) and cutting knife (9), cutting knife (9) set up at the top of cutting frame (1), its characterized in that: the cutting machine is characterized in that the cutting table (2) is arranged at the top end of the cutting frame (1), the U-shaped plate (3) is arranged at the top end of the cutting frame (1), the screw rod (4) is arranged on one side of the inner portion of the U-shaped plate (3), the sliding rod (6) is arranged on the other side of the inner portion of the U-shaped plate (3), the cutting blocks (7) are sleeved on one end portions of the screw rod (4) and the sliding rod (6), the supporting frames (8) are arranged between the inner walls of the cutting blocks (7), the stepping motor (5) is arranged on one side of the top end of the U-shaped plate (3), and the arc-shaped plate (10) is fixedly arranged on one side of the supporting frames (8).
2. The polylactic acid plastic bag cutting device according to claim 1, wherein: the top end of the cutting knife (9) is fixedly connected with the bottom end of the supporting frame (8), and the output shaft of the stepping motor (5) is in transmission connection with one end of the screw rod (4).
3. The polylactic acid plastic bag cutting device according to claim 1, wherein: one of the cutting blocks (7) is sleeved with one end part of the screw rod (4) through threads, and the other cutting block (7) is movably sleeved with one end part of the sliding rod (6).
4. A polylactic acid plastic bag cutting device according to claim 3, wherein: the positions of the two cutting blocks (7) are corresponding.
5. The polylactic acid plastic bag cutting device according to claim 1, wherein: the top end of the arc-shaped plate (10) is provided with a pressing groove (16), and two sliding rods (11) are slidably arranged in the pressing groove (16).
6. The polylactic acid plastic bag cutting device according to claim 5, wherein: one end of each sliding rod (11) is fixedly provided with a U-shaped rod (12), and two sides of each U-shaped rod (12) are fixedly provided with reinforcing plates (13).
7. The polylactic acid plastic bag cutting device according to claim 6, wherein: the bottom ends of the four reinforcing plates (13) are provided with vertical rods (14), and one ends of the four vertical rods (14) are provided with pressing plates (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322837037.7U CN220882458U (en) | 2023-10-21 | 2023-10-21 | Polylactic acid plastic bag cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322837037.7U CN220882458U (en) | 2023-10-21 | 2023-10-21 | Polylactic acid plastic bag cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220882458U true CN220882458U (en) | 2024-05-03 |
Family
ID=90871050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322837037.7U Active CN220882458U (en) | 2023-10-21 | 2023-10-21 | Polylactic acid plastic bag cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220882458U (en) |
-
2023
- 2023-10-21 CN CN202322837037.7U patent/CN220882458U/en active Active
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