CN111203929A - Plastic bag cutting device - Google Patents
Plastic bag cutting device Download PDFInfo
- Publication number
- CN111203929A CN111203929A CN202010024013.8A CN202010024013A CN111203929A CN 111203929 A CN111203929 A CN 111203929A CN 202010024013 A CN202010024013 A CN 202010024013A CN 111203929 A CN111203929 A CN 111203929A
- Authority
- CN
- China
- Prior art keywords
- cutter
- buffering
- tool rest
- movable tool
- refrigeration layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 18
- 238000005057 refrigeration Methods 0.000 claims abstract description 23
- 230000003139 buffering effect Effects 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims 1
- 238000004321 preservation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000012774 insulation material Substances 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000002985 plastic film Substances 0.000 description 42
- 229920006255 plastic film Polymers 0.000 description 42
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
- B26D1/09—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type with a plurality of cutting members
- B26D1/095—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type with a plurality of cutting members for thin material, e.g. for sheets, strips or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2614—Means for mounting the cutting member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B70/20—Cutting sheets or blanks
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
Abstract
The invention relates to a bag making machine for manufacturing plastic bags, in particular to a cutting device after heat sealing of plastic bag films; the plastic bag cutting apparatus includes: the movable tool rest, the cutter, the buffer refrigerating layer and the support table are arranged on the movable tool rest; the movable tool rest can move up and down, the cutter is fixed below the movable tool rest, the buffering refrigeration layer is elastically connected below the movable tool rest and wraps the periphery of the cutter, the outer peripheral surface of the buffering refrigeration layer is made of heat insulation materials, the surface wrapping the cutter is made of heat conduction materials, and the buffering refrigeration layer is connected with the refrigerator; the supporting table is positioned below the movable tool rest, and a cutter groove is formed in the supporting table corresponding to the cutter from the upper end face to the lower end face; the film can be cut off without large pressure, and unnecessary abrasion to the cutter head of the cutter can be avoided.
Description
Technical Field
The invention relates to a bag making machine for manufacturing plastic bags, in particular to a cutting device after heat sealing of plastic bag films.
Background
In the existing plastic bag making machine, the bag making machine generally makes plastic bags by heat sealing and cutting a plastic film through a heater and a cutting mechanism; when a plastic bag with curved side edges is manufactured, a plastic film is intermittently fed in the longitudinal direction thereof, and when the plastic film is stopped, a cutter moves toward the plastic film and a support table to cut the plastic film on the support table, thereby manufacturing the plastic bag.
When the cutter cuts the plastic film, a plurality of tiny connecting parts are left along the cutting line, and the plastic film is in a half-cutting state with fixed depth; in this case, the cutter must be pressed against the support table with a large force to cut the plastic film once.
Further, the following problems occur: 1. in order to cut the plastic film with a large force, a large power mechanism is required for driving; 2. if the force applied by the cutter is not uniform, the plastic film cannot be reliably cut off, and the cutter is damaged due to local compression, and the problem is more obvious when the cutter is in various shapes; 3. in order to avoid damage to the cutter, it is necessary to maintain parallelism between the cutter and the support table, and the movable tool holder to which the cutter is attached and the support table are required to have rigidity, which increases the weight and the size of the whole apparatus, and makes it difficult to move the movable table.
Disclosure of Invention
The present invention has been made in view of the above problems, and an object of the present invention is to provide a bag making machine for making a double-sided curved plastic bag by cutting a plastic film with a cutter, which can effectively cut the plastic film without pressing the plastic film against the cutter with a large pressure.
The plastic bag cutting apparatus includes: the movable tool rest, the cutter, the buffer refrigerating layer and the support table are arranged on the movable tool rest;
the movable tool rest can move up and down, the cutter is fixed below the movable tool rest, and the buffering refrigeration layer is elastically connected below the movable tool rest and wraps the periphery of the cutter;
the outer peripheral surface of the buffer refrigerating layer is made of heat-insulating materials, the surface of the buffer refrigerating layer wrapping the cutter is made of heat-conducting materials, and the buffer refrigerating layer is connected with the refrigerating machine;
the supporting table is located below the movable knife rest, and a cutter groove is formed in the supporting table corresponding to the cutter from the upper end face to the lower end face.
Has the advantages that:
1. in the technical scheme, the yield strength of the plastic film along the cutting line is reduced, hardened and embrittled at low temperature, so that the plastic film is easy to cut; therefore, when the plastic film is cut, too large force is not needed, the problem that the cutter is damaged due to large pressure is avoided, and meanwhile, the problems that the movable tool rest and the support platform need rigidity, the weight is increased and the whole body is large due to the fact that the parallelism of the cutter and the support platform needs to be maintained are avoided;
2. in the technical scheme, after the elastic rubber pad is contacted with the plastic film on the supporting table, the elastic rubber pad is blocked by the supporting table and can be compressed and contracted, so that the cutter positioned in the through hole is protruded to cut off the plastic film; meanwhile, the buffer refrigeration layer can press the plastic film, so that the plastic film is prevented from displacement, and the cutting accuracy is ensured;
3. in the technical scheme, the supporting table supports the plastic film, and the cutter groove can accommodate the cutter blade when the cutter cuts the plastic film, so that the cutter blade cannot be contacted with the supporting table, and the cutter blade is prevented from being damaged;
4. in the technical scheme, the lower port of the through hole formed in the buffering refrigeration layer is formed in the elastic rubber pad at the lower end of the buffering refrigeration layer, and the lower port of the through hole is in a closed state in an initial state, so that the through hole is in a sealed state, the refrigeration effect on the cutter is improved, and excessive water vapor in air can be prevented from entering the buffering refrigeration layer to frost;
5. through this technical scheme, can make the special-shaped cutter of various shapes both can be fine suitable for.
Drawings
Fig. 1 is a side view of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic structural view of the movable tool post separated from the buffer refrigeration layer in the present invention.
Detailed Description
The present invention is further illustrated in the following description with reference to specific embodiments and the accompanying drawings, wherein the details are set forth in order to provide a thorough understanding of the present invention, but it is apparent that the present invention can be embodied in many other forms different from the description herein, and it will be readily appreciated by those skilled in the art that the present invention can be embodied in many different forms without departing from the spirit and scope of the invention.
As shown in fig. 2, a plastic bag cutting apparatus includes: the device comprises a movable tool rest 1, a cutter 2, a buffer refrigeration layer 3 and a support table 4;
as shown in fig. 2, the cutting knife 2 is arranged at the lower end of the movable knife rest 1 and is positioned above the plastic film a which is horizontally conveyed;
the buffer refrigeration layer 3 is elastically connected to the lower end of the movable tool rest 1, a through hole 31 is formed in the buffer refrigeration layer 3 along the direction from the upper end face to the lower end face corresponding to the cutter 2, the outer peripheral face of the buffer refrigeration layer 3 is made of heat insulation materials, the surface of the through hole 31 is made of heat conduction materials, and the buffer refrigeration layer 3 is connected with a refrigerator;
the through hole 31 wraps the cutter 2 and refrigerates, and the lower end of the buffering refrigerating layer 3 is provided with an elastic rubber pad 32; after contacting with the plastic film a on the support table 4, the elastic rubber pad 32 is blocked by the support table 4 and is compressed, so that the cutter 2 positioned in the through hole 31 protrudes to cut off the plastic film a; meanwhile, the buffer refrigeration layer 3 can press the plastic film a, so that the plastic film a is prevented from displacement, and the cutting accuracy is ensured;
as shown in fig. 1 and 3, the support base 4 is located below the plastic film a and abuts against the lower side of the plastic film a, and the support base 4 has a cutter groove 41 along the upper end surface to the lower end surface corresponding to the cutter 2. The supporting table 4 supports the plastic film a, and the cutter groove 41 can accommodate the blade of the cutter 2 when the cutter 2 cuts the plastic film a, so that the blade of the cutter 2 cannot be contacted with the supporting table 4, and the blade of the cutter 2 is prevented from being damaged;
compared with the common linear type cutter, the cutter 2 with various shapes can be adopted according to the production requirement, and the corresponding through hole 31 and the cutter groove 41 can be adopted, so that plastic bags with edges with various shapes can be cut.
The working principle of the invention is as follows:
the technical scheme is used for manufacturing the bag making machine with the plastic film bent at the two side edges by cutting the plastic film by using the cutter, and the plastic film on the bag making machine is intermittently fed along the length direction of the plastic film. When the plastic film stops, the cutter moves downwards towards the plastic film and the supporting table, when the cutter is in contact with the plastic film, the frozen cutter can cut the plastic film along the cutting line, the plastic film is reduced in yield strength, hardened and embrittled along the cutting line due to low temperature on the frozen cutter, the plastic film is easy to cut, the plastic film can be cut without using too much force, the cutter damage caused by high pressure is effectively avoided, a large-capacity driving mechanism configured due to high pressure is also effectively avoided, furthermore, the parallelism between the cutter and the supporting table does not need to be excessively concerned, and the problem that the movable cutter rest and the supporting table are not easy to move due to weight increase and overall large-scale can be avoided.
Claims (3)
1. A plastic bag cutting apparatus comprising: the movable tool rest, the cutter, the buffer refrigerating layer and the support table are arranged on the movable tool rest;
the cutter is arranged at the lower end of the movable cutter frame, the support table is positioned below the movable cutter frame, the support table corresponds to the position of the cutter, and a cutter groove is formed from the upper end surface to the lower end surface of the support table;
the method is characterized in that:
buffering refrigeration layer elastic connection is in movable knife rest lower extreme, and this buffering refrigeration layer has seted up the through-hole along up end to the lower terminal surface corresponding cutter, and this through-hole forms the parcel to the cutter, the outer global heat preservation material that is of buffering refrigeration layer, the through-hole surface on buffering refrigeration layer is the heat conduction material, the refrigerator is connected to buffering refrigeration layer.
2. The plastic bag cutting apparatus according to claim 1, wherein: the lower end of the buffering refrigeration layer is provided with an elastic rubber pad, and the elastic rubber pad is provided with a slit which runs through the elastic rubber pad corresponding to the through hole on the buffering refrigeration layer.
3. The plastic bag cutting apparatus according to claim 1, wherein: the cutter is a special-shaped cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010024013.8A CN111203929A (en) | 2020-01-09 | 2020-01-09 | Plastic bag cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010024013.8A CN111203929A (en) | 2020-01-09 | 2020-01-09 | Plastic bag cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111203929A true CN111203929A (en) | 2020-05-29 |
Family
ID=70783318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010024013.8A Pending CN111203929A (en) | 2020-01-09 | 2020-01-09 | Plastic bag cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111203929A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01501130A (en) * | 1986-05-21 | 1989-04-20 | プレパック | Device for sealing ports or fittings on thermoplastic films |
| US20130011332A1 (en) * | 2009-09-15 | 2013-01-10 | Searete Llc, | Frozen Compositions and Methods for Piercing a Substrate |
| CN105936140A (en) * | 2016-06-17 | 2016-09-14 | 铜陵方正塑业科技有限公司 | Plastic bag perforating machine |
| CN206201079U (en) * | 2016-11-15 | 2017-05-31 | 江西益普生药业有限公司 | A kind of polyethylene glycol production freezing-microtome |
| CN106827661A (en) * | 2016-12-25 | 2017-06-13 | 重庆鼎盛印务股份有限公司 | Polybag puncher |
| CN107088905A (en) * | 2016-06-30 | 2017-08-25 | 浙江汇锋薄膜科技有限公司 | A kind of decorating film cutting machine of tape transport |
| CN107584562A (en) * | 2017-08-28 | 2018-01-16 | 利辛县宝隆橡塑密封件有限责任公司 | A kind of rubber production line blanking units |
| CN208035518U (en) * | 2018-03-05 | 2018-11-02 | 雄县路成纸塑包装有限公司 | A kind of polybag production puncher |
| CN109770160A (en) * | 2019-02-25 | 2019-05-21 | 中国农业科学院农产品加工研究所 | Sandwich fat crisp product process equipment and method |
-
2020
- 2020-01-09 CN CN202010024013.8A patent/CN111203929A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01501130A (en) * | 1986-05-21 | 1989-04-20 | プレパック | Device for sealing ports or fittings on thermoplastic films |
| US20130011332A1 (en) * | 2009-09-15 | 2013-01-10 | Searete Llc, | Frozen Compositions and Methods for Piercing a Substrate |
| CN105936140A (en) * | 2016-06-17 | 2016-09-14 | 铜陵方正塑业科技有限公司 | Plastic bag perforating machine |
| CN107088905A (en) * | 2016-06-30 | 2017-08-25 | 浙江汇锋薄膜科技有限公司 | A kind of decorating film cutting machine of tape transport |
| CN206201079U (en) * | 2016-11-15 | 2017-05-31 | 江西益普生药业有限公司 | A kind of polyethylene glycol production freezing-microtome |
| CN106827661A (en) * | 2016-12-25 | 2017-06-13 | 重庆鼎盛印务股份有限公司 | Polybag puncher |
| CN107584562A (en) * | 2017-08-28 | 2018-01-16 | 利辛县宝隆橡塑密封件有限责任公司 | A kind of rubber production line blanking units |
| CN208035518U (en) * | 2018-03-05 | 2018-11-02 | 雄县路成纸塑包装有限公司 | A kind of polybag production puncher |
| CN109770160A (en) * | 2019-02-25 | 2019-05-21 | 中国农业科学院农产品加工研究所 | Sandwich fat crisp product process equipment and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200529 |