CN214059423U - Food-grade environment-friendly heat shrinkable film composite tensioning structure - Google Patents
Food-grade environment-friendly heat shrinkable film composite tensioning structure Download PDFInfo
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- CN214059423U CN214059423U CN202023215634.9U CN202023215634U CN214059423U CN 214059423 U CN214059423 U CN 214059423U CN 202023215634 U CN202023215634 U CN 202023215634U CN 214059423 U CN214059423 U CN 214059423U
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- heat shrinkable
- shrinkable film
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- 229920006257 Heat-shrinkable film Polymers 0.000 title claims abstract description 13
- 239000002131 composite material Substances 0.000 title claims abstract description 11
- 230000007613 environmental effect Effects 0.000 claims abstract description 7
- 230000008602 contraction Effects 0.000 claims abstract description 6
- 239000012528 membrane Substances 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 230000009931 harmful effect Effects 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 229920006300 shrink film Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 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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- Tension Adjustment In Filamentary Materials (AREA)
Abstract
The utility model relates to the technical field of heat shrinkable film production, and a food-grade environment-friendly heat shrinkable film composite tensioning structure is disclosed, which solves the problem that the internal tensioning force of a general tensioning mechanism is easy to change in the using process, so that the food-grade environment-friendly heat shrinkable film is easy to generate adverse influence on the production; the utility model discloses, the cooperation through the tensioning roller that sets up, horizontal pulley, leading pulley and balancing weight etc. is used, can guarantee to produce the tensile force of material invariable, avoids producing harmful effects to food level environmental protection thermal contraction membrane.
Description
Technical Field
The utility model belongs to the technical field of the production of thermal contraction membrane, specifically be the compound tension structure of food level environmental protection thermal contraction membrane.
Background
The production quality of the food-grade environment-friendly heat shrinkable film needs to be ensured by a tensioning mechanism in the production process; in the using process of a general tensioning mechanism, the internal tensioning force of the general tensioning mechanism is easy to change, so that the production of the food-grade environment-friendly heat shrinkable film is easy to be adversely affected.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a compound tensioning structure of food level environmental protection heat shrink film, the effectual general straining device of having solved is at the in-process that uses, and its inside tensile force changes easily, so produce the problem of harmful effects to food level environmental protection heat shrink film production easily.
In order to achieve the above object, the utility model provides a following technical scheme: food level environmental protection thermal contraction membrane composite tightening structure, comprising a base plate, the top of bottom plate fixed mounting respectively has left box and right box, and one side slidable mounting of left box has the tensioning roller, rotates on the tensioning roller and installs the U-shaped frame, and the opposite side of left box rotates respectively and installs horizontal pulley and guide pulley, and horizontal pulley is located guide pulley's bottom, and the one end fixed mounting of U-shaped frame has the stay cord, and the one end fixed mounting of stay cord has the balancing weight, and twines respectively on horizontal pulley and guide pulley in the middle part of stay cord.
Preferably, the middle part of one side of the left box body is provided with a sliding groove, and one end of the tensioning roller is slidably arranged in the sliding groove.
Preferably, fixed mounting has the stopper on the balancing weight, and stopper slidable mounting in the inside of spacing groove, and the spacing groove is vertical to be seted up on left box.
Preferably, the top of the right box body is sequentially rotatably provided with an unwinding roller, an unwinding conveying roller and an unwinding guide roller.
Preferably, the unreeling conveying roller is located between the unreeling roller and the unreeling guide roller, and the unreeling guide roller is located at the top end of the tensioning roller.
Preferably, the top of the right box body is sequentially rotatably provided with a winding roller, a winding conveying roller and a winding guide roller.
Preferably, the winding conveying roller is located between the winding roller and the winding guide roller, and the winding guide roller is located at the bottom end of the tension roller.
Compared with the prior art, the beneficial effects of the utility model are that:
in operation, through the cooperation use of the tensioning roller that sets up, horizontal pulley, leading pulley and balancing weight etc. can guarantee through tensioning roller and balancing weight that the tensile force of material is invariable when the conveying speed of material changes, avoids producing harmful effects to food level environmental protection thermal contraction membrane production.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the left box body of the present invention;
fig. 3 is a schematic structural diagram of the right box body of the present invention.
In the figure: 1. a base plate; 2. a left box body; 3. a right box body; 4. a tension roller; 401. a chute; 5. a U-shaped frame; 6. a horizontal pulley; 7. a guide pulley; 8. pulling a rope; 9. a balancing weight; 901. a limiting block; 902. a limiting groove; 10. unwinding rollers; 11. unreeling conveying rollers; 12. unwinding a guide roller; 13. a wind-up roll; 14. winding a conveying roller; 15. and (4) winding a guide roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Embodiment one, by figure 1, figure 2 and figure 3 give, the utility model discloses a bottom plate 1, there are left box 2 and right box 3 on the top of bottom plate 1 fixed mounting respectively, one side slidable mounting of left side box 2 has tensioning roller 4, be convenient for take-up the material, it installs U-shaped frame 5 to rotate on the tensioning roller 4, the opposite side of left side box 2 rotates respectively installs horizontal pulley 6 and guide pulley 7, and horizontal pulley 6 is located guide pulley 7's bottom, U-shaped frame 5's one end fixed mounting has stay cord 8, the one end fixed mounting of stay cord 8 has balancing weight 9, can provide invariable tensile force, and twine respectively on horizontal pulley 6 and guide pulley 7 at the middle part of stay cord 8, be convenient for install stay cord 8.
Second embodiment, on the basis of first embodiment, spout 401 has been seted up at one side middle part of left box 2, and the one end slidable mounting of tensioning roller 4 is convenient for install tensioning roller 4 in the inside of spout 401.
Third embodiment, on the basis of first embodiment, fixed mounting has stopper 901 on the balancing weight 9, and stopper 901 slidable mounting is in the inside of spacing groove 902, and spacing groove 902 is vertical to be seted up on left box 2, can improve balancing weight 9's stability.
Fourth embodiment, on the basis of first embodiment, the top of right box 3 rotates in proper order and installs unreeling roller 10, unreels conveying roller 11 and unreels guide roll 12, is convenient for unreel the processing to the material.
In the fifth embodiment, on the basis of the fourth embodiment, the unwinding conveying roller 11 is located between the unwinding roller 10 and the unwinding guide roller 12, and the unwinding guide roller 12 is located at the top end of the tension roller 4.
Sixth embodiment, on the basis of first embodiment, the top of right box 3 rotates in proper order and installs wind-up roll 13, rolling conveying roller 14 and rolling guide roll 15, is convenient for carry out the rolling to the material and handles.
Seventh embodiment, on the basis of the sixth embodiment, the winding conveying roller 14 is located between the winding roller 13 and the winding guide roller 15, and the winding guide roller 15 is located at the bottom end of the tension roller 4.
The working principle is as follows: the during operation, at first make the material on the unreeling roller 10 unreel, drive wind-up roll 13 through external actuating mechanism and carry out the rolling to the material after that, speed when the rolling produces the change, the material can drive tensioning roller 4 and carry out the removal of horizontal direction, it carries out the removal of horizontal direction to drive U-shaped frame 5, U-shaped frame 5 drives balancing weight 9 through stay cord 8 and carries out the removal of vertical direction, because balancing weight 9's weight is invariable, so its pulling force to tensioning roller 4 production is invariable, consequently, when the transport speed of material changes, tensioning roller 4 is invariable all the time to the tensile force that the material produced, for balancing weight 9's gravity, consequently, can guarantee the invariant of tensile force.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Food level environmental protection thermal contraction membrane composite tension structure, including bottom plate (1), its characterized in that: the top of bottom plate (1) is fixed mounting respectively has left box (2) and right box (3), one side slidable mounting of left side box (2) has tensioning roller (4), it installs U-shaped frame (5) to rotate on tensioning roller (4), the opposite side of left side box (2) rotates respectively and installs horizontal pulley (6) and leading pulley (7), and horizontal pulley (6) are located the bottom of leading pulley (7), the one end fixed mounting of U-shaped frame (5) has stay cord (8), the one end fixed mounting of stay cord (8) has balancing weight (9), and twine respectively on horizontal pulley (6) and leading pulley (7) at the middle part of stay cord (8).
2. The food-grade environment-friendly heat shrinkable film composite tensioning structure according to claim 1, wherein: a sliding groove (401) is formed in the middle of one side of the left box body (2), and one end of the tensioning roller (4) is slidably mounted inside the sliding groove (401).
3. The food-grade environment-friendly heat shrinkable film composite tensioning structure according to claim 1, wherein: a limiting block (901) is fixedly mounted on the balancing weight (9), the limiting block (901) is slidably mounted inside a limiting groove (902), and the limiting groove (902) is vertically arranged on the left box body (2).
4. The food-grade environment-friendly heat shrinkable film composite tensioning structure according to claim 1, wherein: the top of the right box body (3) is sequentially rotatably provided with an unwinding roller (10), an unwinding conveying roller (11) and an unwinding guide roller (12).
5. The food-grade environment-friendly heat shrinkable film composite tensioning structure according to claim 4, wherein: unreel conveying roller (11) and be located unreel roller (10) and unreel between guide roll (12), and unreel guide roll (12) and be located the top of tensioning roller (4).
6. The food-grade environment-friendly heat shrinkable film composite tensioning structure according to claim 1, wherein: and a winding roller (13), a winding conveying roller (14) and a winding guide roller (15) are sequentially installed at the top of the right box body (3) in a rotating mode.
7. The food-grade environment-friendly heat shrinkable film composite tensioning structure according to claim 6, wherein: the winding conveying roller (14) is located between the winding roller (13) and the winding guide roller (15), and the winding guide roller (15) is located at the bottom end of the tension roller (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023215634.9U CN214059423U (en) | 2020-12-28 | 2020-12-28 | Food-grade environment-friendly heat shrinkable film composite tensioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023215634.9U CN214059423U (en) | 2020-12-28 | 2020-12-28 | Food-grade environment-friendly heat shrinkable film composite tensioning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214059423U true CN214059423U (en) | 2021-08-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023215634.9U Active CN214059423U (en) | 2020-12-28 | 2020-12-28 | Food-grade environment-friendly heat shrinkable film composite tensioning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214059423U (en) |
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2020
- 2020-12-28 CN CN202023215634.9U patent/CN214059423U/en active Active
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