CN207524676U - The compound tension structure of plastic foil - Google Patents
The compound tension structure of plastic foil Download PDFInfo
- Publication number
- CN207524676U CN207524676U CN201721530448.XU CN201721530448U CN207524676U CN 207524676 U CN207524676 U CN 207524676U CN 201721530448 U CN201721530448 U CN 201721530448U CN 207524676 U CN207524676 U CN 207524676U
- Authority
- CN
- China
- Prior art keywords
- rack
- screw rod
- link
- plastic foil
- roll
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model belongs to supply or is sent into the chip device field for forming container,It specifically discloses including rack,Let off roll is rotatably connected in the rack,Wind-up roll and multiple transfer rollers,Further include link,Tensioning wheel,Slide bar,Screw rod,Rack,Gear,Cylinder and controller,Link upper end is hinged in rack,Link upper end is equipped with catch,Rack is equipped with by compressing switch,Catch can trigger by compressing switch,Link lower end is rotatably connected to idler roller,Idler roller is between multiple transfer rollers,Slide bar and screw rod are respectively to be located at rack both sides,Slide bar coordinates with housing slide,Screw rod and rack thread fitting,Shaft is equipped between screw rod and rack,Tensioning wheel is rotatablely connected with shaft,Screw rod lower end is fixedly connected with gear,Rack is connect with housing slide,Engagement,Cylinder piston rod is connect with rack one end,Controller by the gentle cylinder that compresses switch respectively with being electrically connected.The structure can automatically be adjusted to plastic foil compound tense rate of tension.
Description
Technical field
The utility model is related to supply or be sent into form the chip device field of container, and in particular to a kind of plastic foil is compound
Tension structure.
Background technology
Plastic packaging bag is a kind of using plastics as raw material, for the packaging bag of articles for use various in production and living, is used extensively
In daily life and industrial production.Common plastic packaging bag is mostly that polyethylene film is made, and the film is nontoxic, therefore can be used for
Contain food.It is really to include inner membrance and die two layers of plastic thin films to plastic packaging bag, and plastic packaging bag is needed in production
It is fabricated to packaging bag again after inner membrance and die are combined into a tunic.
Plastic foil is to unreel inner membrance and die (inner membrance or die can be referred to as plastic film) respectively in compound tense,
Then glue is bonded on one of plastic film, by other plastic film stick on top and dries the compound rear winding of completion
On wind-up roll.Existing plastic foil is required for being tensioned inner membrance or die in compound tense in compound tense, to ensure to mould
Expect quality during Film laminated.But the tension structure of existing plastic foil set composite can only play at compound initial stage
Tension, and with the continuous progress of recombination process, the linear velocity of let off roll and wind-up roll can generate variation, and tension structure
Adjust automatically is unable to, prevents plastic film from being tensioned, compound to plastic foil have an adverse effect.
Utility model content
The purpose of this utility model is to provide a kind of compound tension structure of plastic foil, which can answer to plastic foil
Rate of tension is adjusted automatically during conjunction.
In order to achieve the above objectives, the base case of the utility model is as follows：The compound tension structure of plastic foil, including rack,
Let off roll, wind-up roll and multiple transfer rollers are rotatably connected in the rack, further include link, tensioning wheel, slide bar, screw rod,
Rack, gear, cylinder and controller, the link upper end are hinged in rack, and the link upper end is equipped with catch, described
Rack is equipped with by compressing switch, and the catch can trigger by compressing switch, and the link lower end is rotatably connected to idler roller, described
For idler roller between multiple transfer rollers, the slide bar and screw rod are respectively to be located at rack both sides, the slide bar and housing slide
Cooperation, screw rod and rack thread fitting are equipped with shaft between the screw rod and rack, the tensioning wheel is rotatablely connected with shaft, institute
It states screw rod lower end to be fixedly connected with gear, the rack is connect with housing slide, and the rack and pinion engagement, the cylinder is lived
Stopper rod is connect with rack one end, and the controller by the gentle cylinder that compresses switch respectively with being electrically connected.
Using this base case, compound tense is being carried out to plastic foil, plastic film is unreeled by let off roll realization, Ran Houfu
Plastic foil after conjunction is wound by wind-up roll.In recombination process, transfer roller realizes the transmission to plastic film, and plastic film exists
In transmit process, the tensioning of tensioning wheel and the realization of multiple transfer rollers to plastic film can be passed through.In transmit process, plastic film
Idler roller can be passed through.Because idler roller is rotatably connected on link, and link is connect with gantry rotation, so
Plastic film, can be to power there are one idler rollers in tensioning, and making link, there are one angles with stent.If in recombination process,
Plastic film tensile force is spent greatly, then plastic film makes link edge to idler roller and link also meeting there are one the power of bigger
Gantry rotation, because catch is fixedly connected with link, catch can be also triggered by compressing switch, pressed along gantry rotation
Compress switch it is electric after, controller control cylinder piston rod, which stretches out, pushes rack along housing slide.Because rack and pinion engages, institute
With rack, when sliding, gear rotates, and drives screw rod rotation.Because of screw rod and rack thread fitting, screw rod meeting in rotation
It moves up or down, i.e., can drive transmission wheel that can move down upwards, tensile force when adjustment plastic film transmits.And with
The adjustment of plastic film tensile force, link also will continue to turn to home position, and catch no longer sets out by compressing switch, cylinder
Piston rod stops stretching, i.e., tensioning wheel is not moving up and down, and realizes adjust automatically.
Preferred embodiment one：As the preferred embodiment of basic scheme, connecting rod is further included, the connecting rod is fixed with gear to be connected
It connects, the connecting rod side is equipped with sliding slot, and the screw rod is equipped with cavity, and protrusion is equipped at the cavity, and the protrusion, which is inserted into, to be slided
It is slidably connected in slot and with sliding slot.It so can very easily realize that gear drives screw rod to turn in rotation by connecting rod
Dynamic, when avoiding screw rod generation axial displacement, gear can not be to driving screw rod.
Preferred embodiment two：Preferably one preferred embodiment, the controller are PLC controller, and PLC controller is easy
It is simple to operate in acquirement.
Preferred embodiment three：As the preferred embodiment of basic scheme, hold-down roller is further included, the hold-down roller is pasted with wind-up roll
It closes.Hold-down roller may insure that plastic foil smooth can be wound, and avoid generating bubble.
Preferred embodiment four：Preferably three preferred embodiment, further includes compression stent, described compression stent one end with
Rack is hinged, and the other end is rotatablely connected with hold-down roller, and the compression stent is equipped with torsional spring with rack hinged place.There is provided torsional springs to make
Hold-down roller is connect by compressing stent with gantry rotation, it can be ensured that hold-down roller is bonded always with wind-up roll.
Description of the drawings
Fig. 1 is the structure diagram of the compound tension structure embodiment of the utility model plastic foil；
Fig. 2 is the schematic diagram in the tension structure course of work；
Fig. 3 is the schematic diagram of regulating mechanism.
Specific embodiment
The utility model is described in further detail below by specific embodiment：
Reference numeral in Figure of description includes：Rack 1, let off roll 2, slide bar 3, screw rod 4, tensioning wheel 5, transfer roller 6,
Catch 7, link 9, wind-up roll 10, hold-down roller 11, compresses stent 12, plastic film 13, connecting rod 14, sliding slot at idler roller 8
15th, protrusion 16, rack 17, gear 18, cylinder 19.
Embodiment is substantially as shown in Figure 1：The compound tension structure of plastic foil including rack 1, is rotatably connected in rack 1
Let off roll 2, wind-up roll 10 and multiple transfer rollers 6, further include link 9, controller and regulating mechanism.As shown in figure 3, the machine of adjusting
Structure includes tensioning wheel 5, slide bar 3, screw rod 4, rack 17, gear 18, cylinder 19 and connecting rod 14.9 upper end of link is hinged on machine
On frame 1,9 upper end of link is equipped with catch 7, and rack 1 is equipped with by compressing switch, and catch 7 can trigger by compressing switch, under link 9
End is rotatably connected to idler roller 8, and for idler roller 8 between transfer roller 6, slide bar 3 and screw rod 4 are respectively to be located at 1 both sides of rack, sliding
Bar 3 is slidably matched with rack 1, and screw rod 4 and 1 thread fitting of rack are equipped with shaft, tensioning wheel 5 and shaft between screw rod 4 and rack 1
Rotation connection, connecting rod 14 is fixedly connected with gear 18, and 14 side of connecting rod is equipped with sliding slot 15, and screw rod 4 is equipped with cavity, at cavity
Equipped with protrusion 16, protrusion 16 is inserted into sliding slot 15 and is slidably connected with sliding slot 15.Rack 17 is slidably connected with rack 1, engagement, gas
19 piston rod of cylinder is connect with 17 one end of rack, and controller by the gentle cylinder 19 that compresses switch respectively with being electrically connected.It so can be very square
Just realization gear 18 drives screw rod 4 to rotate in rotation by connecting rod 14, when avoiding the generation axial displacement of screw rod 4, gear
18 can not be to driving screw rod 4.
As shown in Fig. 2, in recombination process, transfer roller 6 realizes the transmission to plastic film 13, and plastic film 13 is transmitting
In the process, the tensioning to plastic film 13 can be realized by tensioning wheel 5 and multiple transfer rollers 6.In transmit process, plastic film
13 can pass through idler roller 8.Because idler roller 8 is rotatably connected on link 9, and link 9 is rotatablely connected with rack 1
, so plastic film 13 in tensioning, can make angle there are one link 9 and stents to power there are one idler rollers 8.If
In recombination process, 13 tensile force of plastic film is spent greatly, then there are one more to idler roller 8 and link 9 also meeting for plastic film 13
Big power makes link 9 be rotated along rack 1, because catch 7 is fixedly connected with link 9, catch 7 also can be along machine
Frame 1 rotates, and triggers by compressing switch, by compress switch it is electric after, controller 19 piston rod of control cylinder, which stretches out, pushes rack 17 along machine
Frame 1 slides.Because rack 17 is engaged with gear 18, the gear 18 when sliding of rack 17 rotates, and screw rod 4 is driven to rotate.Cause
For screw rod 4 and 1 thread fitting of rack, so screw rod 4 can be moved up or down in rotation, i.e., transmission wheel can be driven upwards
It moves down, tensile force when adjustment plastic film 13 transmits.And with the adjustment of 13 tensile force of plastic film, link 9
It will continue to turn to home position, catch 7 no longer sets out by compressing switch, and the piston rod of cylinder 19 stops flexible, i.e., tensioning wheel 5 is not
It is moving up and down, is realizing adjust automatically.
Hold-down roller 11 is further included in the present embodiment and compresses stent 12,12 one end of stent is compressed and is hinged with rack 1, the other end
It is rotatablely connected with hold-down roller 11, compresses stent 12 and be equipped with torsional spring with 1 hinged place of rack.There is provided torsional springs to make hold-down roller 11 pass through pressure
Locking bracket 12 is rotatablely connected with rack 1, it can be ensured that hold-down roller 11 is bonded always with wind-up roll 10, avoids generating bubble.
Controller is Siemens S7-300 series of PLC controllers in this programme.
Above-described is only the embodiment of the utility model, and the common sense such as well known concrete structure and characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure
Under, several modifications and improvements can also be made, these should also be considered as the scope of protection of the utility model, these are not all interfered with
The effect and practical applicability that the utility model is implemented.This application claims protection domain should be with the content of its claim
Subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.
Claims (5)
1. the compound tension structure of plastic foil including rack, is rotatably connected to let off roll, wind-up roll and multiple transmission in the rack
Roller, which is characterized in that further include link, tensioning wheel, slide bar, screw rod, rack, gear, cylinder and controller, the link
Upper end is hinged in rack, and the link upper end is equipped with catch, and the rack is equipped with by compressing switch, and the catch can trigger
By compressing switch, the link lower end is rotatably connected to idler roller, and the idler roller is between multiple transfer rollers, the slide bar
Be respectively to be located at rack both sides with screw rod, the slide bar and housing slide coordinate, screw rod and rack thread fitting, the screw rod with
Shaft is equipped between rack, the tensioning wheel and shaft are rotatablely connected, and the screw rod lower end is fixedly connected with gear, the rack and
Housing slide connects, and rack and pinion engagement, the cylinder piston rod is connect with rack one end, the controller respectively with
By compressing switch, gentle cylinder electrically connects.
2. the compound tension structure of plastic foil according to claim 1, it is characterised in that：Further include connecting rod, the connection
Bar is fixedly connected with gear, and the connecting rod side is equipped with sliding slot, and the screw rod is equipped with cavity, protrusion is equipped at the cavity,
The protrusion is inserted into sliding slot and is slidably connected with sliding slot.
3. the compound tension structure of plastic foil according to claim 2, it is characterised in that：The controller is PLC controller.
4. the compound tension structure of plastic foil according to claim 1, it is characterised in that：Further include hold-down roller, the compression
Roller is bonded with wind-up roll.
5. the compound tension structure of plastic foil according to claim 4, it is characterised in that：Further include compression stent, the pressure
Locking bracket one end is hinged with rack, and the other end is rotatablely connected with hold-down roller, and the compression stent is equipped with torsional spring with rack hinged place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721530448.XU CN207524676U (en) | 2017-11-15 | 2017-11-15 | The compound tension structure of plastic foil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721530448.XU CN207524676U (en) | 2017-11-15 | 2017-11-15 | The compound tension structure of plastic foil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207524676U true CN207524676U (en) | 2018-06-22 |
Family
ID=62582519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721530448.XU Expired - Fee Related CN207524676U (en) | 2017-11-15 | 2017-11-15 | The compound tension structure of plastic foil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207524676U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179034A (en) * | 2018-08-06 | 2019-01-11 | 平湖市华达塑料制品有限公司 | Tensioning apparatus for Pearl cotton winding machine |
| CN111605108A (en) * | 2020-06-08 | 2020-09-01 | 张倩倩 | Heat treatment processing device for plastic film |
| CN113991541A (en) * | 2021-11-25 | 2022-01-28 | 国网河南省电力公司卢氏县供电公司 | Tensioning force adjustable electric power construction tensioner bullwheel |
| CN115231026A (en) * | 2022-09-23 | 2022-10-25 | 常州市巨洋机电有限公司 | Packaging equipment and packaging method for glass fiber cloth |
-
2017
- 2017-11-15 CN CN201721530448.XU patent/CN207524676U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179034A (en) * | 2018-08-06 | 2019-01-11 | 平湖市华达塑料制品有限公司 | Tensioning apparatus for Pearl cotton winding machine |
| CN109179034B (en) * | 2018-08-06 | 2024-04-12 | 平湖市昕妙科技股份有限公司 | Tensioning device for pearl cotton winding machine |
| CN111605108A (en) * | 2020-06-08 | 2020-09-01 | 张倩倩 | Heat treatment processing device for plastic film |
| CN113991541A (en) * | 2021-11-25 | 2022-01-28 | 国网河南省电力公司卢氏县供电公司 | Tensioning force adjustable electric power construction tensioner bullwheel |
| CN115231026A (en) * | 2022-09-23 | 2022-10-25 | 常州市巨洋机电有限公司 | Packaging equipment and packaging method for glass fiber cloth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20211115 |