CN110371414B - Method for manufacturing tea filter bag and filter bag - Google Patents
Method for manufacturing tea filter bag and filter bag Download PDFInfo
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- CN110371414B CN110371414B CN201910466549.2A CN201910466549A CN110371414B CN 110371414 B CN110371414 B CN 110371414B CN 201910466549 A CN201910466549 A CN 201910466549A CN 110371414 B CN110371414 B CN 110371414B
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- label
- sealing
- cotton thread
- filter bag
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C7/00—Affixing tags
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Abstract
The invention provides a method for manufacturing a tea filter bag and the filter bag, and the filter bag is more exquisite in bag type and novel and is easier to obtain the favor of users compared with a common square flat bag in the market; meanwhile, the label and the cotton thread are fixed on the filter bag through a local heat sealing method, the connection strength is guaranteed, meanwhile, a user can easily take off the label from the filter bag when drinking, the use by the user is convenient, meanwhile, the connection part of the cotton thread and the filter bag forms a thread loop, the connection strength is effectively guaranteed, in addition, the length of the cotton thread on the filter bag can be flexibly set according to the requirement, and the requirements of different users can be met.
Description
Technical Field
The invention belongs to the technical field of bag tea packaging, and particularly relates to a method for manufacturing a tea filter bag and the filter bag.
Background
The known tea bag packaging machine belongs to the category of vertical type-bag forming-filling sealing machine, and comprises a quantitative feeder, a main transmission box, a label cotton thread transmission device, a tea bag heat sealing device, a tea bag transmission device, an outer bag paper transmission device, an outer bag registration device, an outer bag forming mechanism, a mechanical arm, an outer bag sealing mechanism, a finished product output groove, a preset grouping counting device, a base and the like. The quantitative feeder consists of a cone-shaped hopper and a quantitative adjusting device, and broken tea is put into the quantitative feeder. The inner bag filter paper is arranged on the inner bag paper conveying device, the outer bag packing paper is arranged on the outer bag paper conveying device, and the label paper is arranged on the label conveying device. When a start button is pressed down, when the machine starts to work automatically, granular tea or similar materials fall into a filter bag to be sealed between two inner bag heat-sealing rollers after being folded and formed through a discharge nozzle of a quantitative feeder, the cotton threads with labels fed by a bag opening and a thread hanging claw are heat-sealed together through the heat-sealing rollers, and the cotton threads are cut into 'bag tea with labels' through scissors below an inner bag heat-sealing device, however, the existing packaging and forming machine has the following defects when producing small bags: firstly, the bag type is single, for the filter bag with a label and cotton threads, the existing packaging machine mostly has practicability, only can be used for making a square flat bag with three-edge sealing or four-edge sealing, lacks novelty, and can be more favored by the market due to the change of the bag type under the condition of the current market competition aggravation; secondly, the existing packaging machine cannot flexibly adjust the length of the cotton threads, and cannot flexibly switch to meet the requirements of different customers for the requirements of the customers with different brewing modes; thirdly, the production efficiency of the existing packaging machine is generally low, the connection strength and the connection mode among the cotton threads, the labels and the inner bags become the technical bottleneck of the existing packaging machine developing towards higher speed, and the existing packaging machine cannot meet the requirements of large orders and large-scale production; fourthly, the intelligent, automatic and integrated level of the existing packaging machine is generally not high, the labor intensity of workers is large, and the resource waste is caused.
Disclosure of Invention
In order to solve the above problems, the present invention provides a method for manufacturing a tea filter bag and a filter bag itself.
In order to achieve the purpose, the invention adopts the technical scheme that: a method for manufacturing tea filter bags, wherein each filter bag has a complete side surface, a label is bonded on the side surface, the label is connected with the filter bag through a cotton thread, the side surface is provided by folding continuous filter paper, a left vertical edge and a right vertical edge are respectively formed on two sides of the folded side surface, two free ends of the folded side surface are sealed through a longitudinal sealing component, the top and the bottom of the folded side surface are sealed through a transverse sealing component so as to correspondingly form a back edge sealing part, a top sealing part and a bottom sealing part, one end of the cotton thread is sealed at the top sealing part, the other end of the cotton thread is connected with the label through a first welding part, the cotton thread is wound into a ring shape and is arranged on the inner side of the folded label, the end surfaces of the folded label which are bonded together are heat-sealing surfaces coated with heat-sealing materials, the label is folded together and bonded together through a melt formed by fusing the heat-sealing surfaces, the label is bonded to the side surface of the filter bag by fusing the melt precipitated in the filter paper and forming a second weld.
Furthermore, one end of the cotton thread is sealed at the top sealing part after forming a thread loop.
Furthermore, chamfers are arranged on two sides of the top sealing part of the filter bag.
Furthermore, the folded dotted lines convenient for folding are arranged in the folded position of the label in advance.
Further, the cotton thread is arranged outside the mounting ring and around two sliding pins protruding from the outer surface of the mounting ring to length the cotton thread.
Furthermore, a sucker I for adsorbing the label is arranged between the two sliding pins on the outer side of the mounting ring.
The sequence of the following method steps is:
adsorbing the label on the sucker I;
winding cotton threads on the outer sides of the two sliding pins to fix the length;
the label is folded along a folding dotted line, the folded label is heated by a heat sealing assembly to be folded and then bonded together, a first welding part is formed at the joint of the cotton thread and the label, and meanwhile, the heat sealing assembly drives two sliding pins to retreat so that the annular cotton thread is arranged on the inner side of the folded label;
arranging continuous filter paper on the outer side of the mounting ring, and positioning the folded label between the mounting ring and the filter paper and in the middle of the filter paper;
pressing the filter paper tightly, cutting a gap of 2-4mm at the middle position of the filter paper, and then ejecting the cotton thread from the gap to form a thread ring;
heating the label and the filter paper by using a heat seal assembly to bond the label and the filter paper together and form a second welding part;
folding continuous filter paper to form a complete side surface, wherein a left vertical edge and a right vertical edge are respectively formed on two sides of the folded side surface, two free ends of the folded side surface are sealed through a longitudinal sealing assembly, the bottom of the folded side surface is sealed through a transverse sealing assembly to form a bottom sealing part, and then tea leaves are filled into the side surface after bottom sealing;
sealing the top of the folded side surface by a transverse sealing component to form a top sealing part and sealing the wire loop at the middle position of the top sealing part;
and sequentially cutting off the folded side surface at the bottom sealing part and the top sealing part, and respectively forming chamfers at two sides of the top sealing part.
The filter bag manufactured by the method for manufacturing the tea filter bag is provided with a complete side surface, a label is adhered on the side surface, the label is connected with the filter bag through cotton threads, the two free ends of the side surfaces are joined by a trailing edge seal, the top and bottom of the side surfaces are joined by a top seal and a bottom seal, respectively, the two sides of the side surface are folded to form a left vertical edge and a right vertical edge respectively, one end of the cotton thread is sealed at the top sealing part, the other end of the cotton thread is connected with the label through a first welding part, the cotton thread is wound into a ring shape and then arranged at the inner side of the folded label, the end surfaces of the folded label which are adhered together are heat sealing surfaces coated with heat sealing materials, the label is folded in half and then bonded together by fusing the melt formed by the heat-seal surfaces, and the label is bonded together with the side surface of the filter bag by fusing the melt precipitated from the filter paper and forms a second welding part.
Compared with the prior art, the invention has the beneficial effects that: compared with a common square flat bag in the market, the filter bag per se has the advantages that the back sealing structure, the chamfers on the two sides of the head part and the inserting angle structures on the two sides of the bag shape are adopted, so that the bag shape is more exquisite and novel; meanwhile, more tea leaves can be filled in the tea bags with the same size, and the tea bags are more easily favored by users. The label and the cotton thread are fixed on the filter bag through a local heat sealing method, the connection strength is guaranteed, meanwhile, a user can easily take off the label from the filter bag when drinking, the use by the user is convenient, meanwhile, the cotton thread and the filter bag form a thread loop, the connection strength is effectively guaranteed, in addition, the length of the cotton thread on the filter bag can be flexibly set according to the requirement, and the requirements of different users can be met.
Drawings
FIG. 1 is a schematic view of the construction of the filter bag itself in the present invention;
FIG. 2 is a schematic view of the filter bag itself after the label is removed;
FIG. 3 is a schematic structural view of a tag of the present invention;
FIG. 4 is a schematic view of the label of the present invention in a folded state;
FIG. 5 is a schematic view showing the positional relationship of the mounting ring, the suction cup I and the two slide pins in the present invention;
FIG. 6 is a schematic diagram showing the positional relationship of a plurality of labels with a continuous filter paper in the present invention;
the labels in the figure are: 1. side surface, 2, label, 3, cotton thread, 4, filter paper, 5, left vertical edge, 6, right vertical edge, 7, back edge seal, 8, top seal, 9, bottom seal, 10, first weld, 11, second weld, 12, chamfer, 13, double dashed line, 14, mounting ring, 15, sliding pin, 16, suction cup i, 17, loop, 18, heat sealing face, 19, heat sealing assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the protection scope of the present invention.
A method for manufacturing tea filter bags is disclosed, as shown in fig. 1 and fig. 2, wherein each filter bag has a complete side surface 1, a label 2 is adhered on the side surface 1, the label 2 is connected with the filter bag through a cotton thread 3, the side surface 1 is provided by folding a continuous filter paper 4, a left vertical edge 5 and a right vertical edge 6 are respectively formed on two sides of the folded side surface 1, it should be noted that the left vertical edge 5 and the right vertical edge 6 are both V-shaped connecting parts integrally arranged with the side surface, and after the V-shaped structure is unfolded, the inner cavity of the filter bag can be enlarged to enable the filter bag to have larger capacity, and the filter bag can be more three-dimensional and exquisite; two free ends of the side surface 1 are sealed by a longitudinal sealing component after being folded, and the top and the bottom of the side surface 1 are sealed by a transverse sealing component after being folded so as to form a back edge sealing part 7, a top sealing part 8 and a bottom sealing part 9 correspondingly, wherein it is required to be explained that the longitudinal sealing component, the transverse sealing component and the heat sealing component 19 adopted in the invention are common tools in the field, so that the detailed description is not further explained here, one end of the cotton thread 3 is sealed at the top sealing part 8, the other end of the cotton thread 3 is connected with the label 2 through a first welding part 10 (a single line and a net line part in figure 1), the cotton thread 3 is wound into a ring shape and is arranged at the inner side of the folded label 2, as shown in figure 4, the end surfaces of the label 2 which are folded and adhered together are heat sealing surfaces 18 coated with heat sealing materials, the label 2 is adhered together after being folded by fusing the melt formed by the heat sealing surfaces 18, the label 2 is bonded to the side surface 1 of the filter bag by fusing the melt precipitated in the filter paper 4 and forming a second weld 11 (the portion of the mesh line in fig. 1).
Further optimize this scheme, wherein one end involution is in top sealing 8 behind the formation wire loop 17 of cotton thread 3, and joint strength obtains effectual assurance.
Further optimize this scheme, chamfer 12 has all been seted up in the both sides of top seal 8 to the filter bag, and the bag type is more exquisite, has the novelty, also obtains user's favor more easily.
Further optimizing the scheme, as shown in fig. 3, a folding dotted line 13 convenient for folding is preset at the folding position of the label 2.
Further optimizing the solution, as shown in fig. 5, the cotton thread 3 is arranged outside the mounting ring 14 and around two sliding pins 15 protruding from the outer surface of the mounting ring 14 for the length fixing of the cotton thread 3.
Further optimizing the scheme, the outer side of the mounting ring 14 is provided with a sucker I16 used for sucking the label 2 between the two sliding pins 15.
The sequence of the following method steps is:
adsorbing the label 2 on a sucker I16;
the cotton thread 3 is wound on the outer sides of the two sliding pins 15 to perform length fixing;
the label 2 is folded in half along a folding dotted line 13, the folded label 2 is heated by a heat sealing assembly 19 to fold the label 2 in half and then is bonded together, a first welding part 10 is formed at the joint of the cotton thread 3 and the label 2, and meanwhile, the heat sealing assembly 19 drives two sliding pins 15 to retreat so that the annular cotton thread 3 is arranged on the inner side of the folded label 2;
arranging a continuous filter paper 4 at the outer side of the mounting ring 14, wherein the folded label 2 is positioned between the mounting ring 14 and the filter paper 4 and at the middle position of the filter paper 4; as shown in fig. 6, a plurality of labels 2 can be continuously and intermittently arranged on the continuous filter paper 4, and the cotton threads on the inner sides of the labels 2 are also continuous cotton threads;
pressing the filter paper 4, cutting a gap of 2-4mm at the middle position of the filter paper 4, and then ejecting the cotton thread 3 from the gap to form a thread ring 17;
heating with the heat-seal assembly 19 to bond the label 2 and the filter paper 4 together and form a second weld 11;
folding continuous filter paper 4 to form a complete side surface 1, wherein the folded side surface 1 forms a left vertical edge 5 and a right vertical edge 6 on two sides respectively, two free ends of the folded side surface 1 are sealed through a longitudinal sealing component, the bottom of the folded side surface 1 is sealed through a transverse sealing component to form a bottom sealing part 9, and then tea leaves are filled into the side surface 1 after bottom sealing;
sealing the top of the folded side surface 1 by a transverse sealing component to form a top sealing part 8 and sealing a wire loop 17 at the middle position of the top sealing part 8;
the folded side surface 1 is cut at the bottom seal 9 and the top seal 8 in sequence, and chamfers 12 are respectively formed at both sides of the top seal 8.
A filter bag manufactured by the method for manufacturing the tea filter bag is provided with a complete side surface 1, a label 2 is bonded on the side surface 1, the label 2 is connected with the filter bag through a cotton thread 3, two free ends of the side surface 1 are connected through a back edge sealing part 7, the top and the bottom of the side surface 1 are respectively connected through a top sealing part 8 and a bottom sealing part 9, two sides of the side surface 1 are respectively formed into a left vertical edge 5 and a right vertical edge 6 after being folded, one end of the cotton thread 3 is sealed at the top sealing part 8, the other end of the cotton thread 3 is connected with the label 2 through a first welding part 10, the cotton thread 3 is wound into a ring shape and is arranged at the inner side of the folded label 2, the end surfaces of the folded label 2 which are bonded together are heat sealing surfaces 18 coated with heat sealing materials, and the label 2 is bonded together after being folded together through a melt formed by fusing the heat sealing surfaces 18, the label 2 is bonded with the side surface 1 of the filter bag by fusing the melt separated from the filter paper 4 to form a second welding part 11, the label 2 and the cotton threads are fixed on the filter bag by a local heat sealing method, the connection strength is ensured, and meanwhile, a user can easily peel the label off the filter bag when drinking, so that the use by the user is facilitated.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A method for manufacturing filter bags for tea, each filter bag having a complete lateral surface (1), a label (2) being glued to the lateral surface (1), the label (2) being connected to the filter bag by means of a cotton thread (3), characterized in that: the side surface (1) is provided by folding continuous filter paper (4), the side surface (1) after folding forms a left vertical edge (5) and a right vertical edge (6) on two sides respectively, two free ends of the side surface (1) after folding are sealed by a longitudinal sealing component, the top and the bottom of the side surface (1) after folding are sealed by a transverse sealing component so as to form a back edge sealing part (7), a top sealing part (8) and a bottom sealing part (9) correspondingly, one end of a cotton thread (3) is sealed at the top sealing part (8), the other end of the cotton thread (3) is connected with the label (2) through a first welding part (10), the cotton thread (3) is wound into a ring shape and then is arranged at the inner side of the label (2) after folding, the end surfaces of the label (2) after folding are both adhered together are heat sealing surfaces (18) coated with heat sealing materials, and the label (2) is adhered together after folding through a melt formed by fusing the heat sealing surfaces (18), the label (2) is bonded to the side surface (1) of the filter bag by fusing the melt precipitated in the filter paper (4) and forming a second weld (11).
2. The method of claim 1, wherein: one end of the cotton thread (3) forms a thread loop (17) and then is sealed at the top sealing part (8).
3. The method of claim 1, wherein: chamfers (12) are arranged on two sides of the top sealing part (8) of the filter bag.
4. The method of claim 1, wherein: the folding dotted line (13) convenient for folding is arranged in the folding position of the label (2) in advance.
5. The method of claim 1, wherein: the cotton thread (3) is arranged outside the mounting ring (14) and surrounds two sliding pins (15) protruding from the outer surface of the mounting ring (14) for the purpose of fixing the length of the cotton thread (3).
6. The method of claim 5, wherein: and a sucker I (16) for sucking the label (2) is arranged between the two sliding pins (15) on the outer side of the mounting ring (14).
7. The method of claim 1, wherein: the method specifically comprises the following steps:
adsorbing the label (2) on a sucker I (16);
winding the cotton thread (3) on the outer sides of the two sliding pins (15) to fix the length;
the label (2) is folded in half along a folding dotted line (13), the folded label (2) is heated by a heat sealing assembly (19) to be folded in half and then bonded together, a first welding part (10) is formed at the joint of the cotton thread (3) and the label (2), and meanwhile, the heat sealing assembly (19) drives two sliding pins (15) to retreat so that the annular cotton thread (3) is arranged on the inner side of the folded label (2);
arranging continuous filter paper (4) on the outer side of the mounting ring (14), wherein the folded label (2) is positioned between the mounting ring (14) and the filter paper (4) and at the middle position of the filter paper (4);
pressing the filter paper (4), cutting a gap of 2-4mm at the middle position of the filter paper (4), and then ejecting the cotton thread (3) from the gap to form a thread ring (17);
heating by a heat seal assembly (19) to bond the label (2) and the filter paper (4) together and form a second welding part (11);
folding continuous filter paper (4) to form a complete side surface (1), wherein a left vertical edge (5) and a right vertical edge (6) are respectively formed on two sides of the folded side surface (1), two free ends of the folded side surface (1) are sealed through a longitudinal sealing component, the bottom of the folded side surface (1) is sealed through a transverse sealing component to form a bottom sealing part (9), and then tea leaves are filled into the side surface (1) with the sealed bottom;
sealing the top of the folded side surface (1) by a transverse sealing component to form a top sealing part (8) and sealing a wire loop (17) at the middle position of the top sealing part (8);
the folded side surface (1) is cut off at the bottom sealing part (9) and the top sealing part (8) in sequence, and chamfers (12) are respectively arranged on two sides of the top sealing part (8).
8. A filter bag manufactured according to the method for manufacturing a filter bag for tea leaves according to claim 1, the filter bag having a complete side surface (1), the side surface (1) having a label (2) adhered thereto, the label (2) being connected to the filter bag by means of a cotton thread (3), characterized in that: two free ends of side surface (1) are through back along sealing (7) joint, and the top and the bottom of side surface (1) are joined through top sealing (8) and bottom sealing (9) respectively, the both sides of side surface (1) form left vertical edge (5) and right vertical edge (6) respectively after folding, wherein one end involution of cotton thread (3) is in top sealing (8), and the other end of cotton thread (3) links to each other with label (2) through first 10, and set up label (2) inboard after the fifty percent discount after cotton thread (3) twines into the ring-type, and the terminal surface that the laminating was in the same place after label (2) fifty percent discount is heat sealing (18) that scribbles the heat-seal material, and make label (2) bond together after fusing the weld part through the fuse-bonding part that appears in filter paper (4), and make label (2) bond together with side surface (1) of filter bag and form second weld part (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466549.2A CN110371414B (en) | 2019-05-31 | 2019-05-31 | Method for manufacturing tea filter bag and filter bag |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466549.2A CN110371414B (en) | 2019-05-31 | 2019-05-31 | Method for manufacturing tea filter bag and filter bag |
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| CN110371414A CN110371414A (en) | 2019-10-25 |
| CN110371414B true CN110371414B (en) | 2021-08-06 |
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| WO2016024178A1 (en) * | 2014-08-14 | 2016-02-18 | Teamac S.R.L. | A method for fastening a tag to a connecting thread to a filter bag for infusion products, a tag-thread assembly for a filter bag and a method for fixing the tag to a connecting thread with a filter bag |
| CN205418179U (en) * | 2016-03-16 | 2016-08-03 | 厦门森工包装设备有限公司 | Full -automatic bag bubble drink packagine machine |
| CN208699142U (en) * | 2018-08-20 | 2019-04-05 | 漳州市祥鸿包装机械有限公司 | A kind of band line packaging machine of tea bag |
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2019
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|---|---|---|---|---|
| CN1184064A (en) * | 1996-12-06 | 1998-06-10 | 不双产业株式会社 | Flexible permeable container |
| US6389781B1 (en) * | 1998-01-30 | 2002-05-21 | I.M.A. Industria Macchine Automatiche S.P.A. | Two-lobed filter bag for products for infusion |
| CN1326891A (en) * | 2000-06-06 | 2001-12-19 | 茶叶包装专用设备有限公司 | Drink bag particular for tea and method for sealing such bag by thread |
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| CN103140427A (en) * | 2010-09-30 | 2013-06-05 | 机械技术有限公司 | Method for applying a component of a package for a substance for infusion |
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| CN110371414A (en) | 2019-10-25 |
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