CN203699469U - Unfolding type choke plug - Google Patents
Unfolding type choke plug Download PDFInfo
- Publication number
- CN203699469U CN203699469U CN201420017632.4U CN201420017632U CN203699469U CN 203699469 U CN203699469 U CN 203699469U CN 201420017632 U CN201420017632 U CN 201420017632U CN 203699469 U CN203699469 U CN 203699469U
- Authority
- CN
- China
- Prior art keywords
- ring element
- plug
- lobe ring
- choke plug
- expansion equation
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 claims abstract description 31
- 239000007787 solid Substances 0.000 claims abstract description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 238000004804 winding Methods 0.000 abstract 3
- 230000008961 swelling Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 16
- 210000004712 air sac Anatomy 0.000 description 7
- 230000007547 defect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000010408 film Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Storage Of Web-Like Or Filamentary Materials (AREA)
Abstract
The utility model belongs to the field of printing and packaging, and particularly relates to an unfolding type choke plug used in winding and unwinding equipment for winding drum materials. The unfolding type choke plug comprises more than two valve ring units. Each valve ring unit is of a soft solid sheet structure or a hard sheet structure, all the valve ring units are enclosed with one another to form a sleeved structure of the unfolding type choke plug, and hole parts enclosed by the valve ring units form a matching hole used for being matched with an air swelling shaft of the unfolding type choke plug. The maximum thickness of each valve ring unit in the radial direction is smaller than or equal to the spacing from the outer wall of the air swelling shaft to the inner hole wall of a winding drum material to be matched. The unfolding type choke plug further comprises an elastic part used for gathering and banding the valve ring units and applying pressing force to the valve ring units, the elastic restoring force of the elastic part is set inwards in the radial direction of the choke plug. The unfolding type choke plug is low in using cost and extremely convenient to use, the replacing time of the choke plug can also be effectively shortened, it is guaranteed that the actual operation strength of field workers can be lowered, and the unfolding type choke plug serves multiple purposes.
Description
Technical field
The utility model belongs to printing packaging field, is specifically related to a kind of expansion equation plug using on reel material unwinding and rewinding equipment.
Background technology
In processing film industry, for the operation that unreels of processing equipment etc. will use as cut reel material, be all to coordinate corresponding tension control apparatus to realize by air-expanding shaft conventionally; Particularly, its unwinding device comprises unwinding equipment support and is arranged in the air-expanding shaft that is simple beam structure on its support, air-expanding shaft self is hollow form and is communicated with by external feed stream equipment, air-expanding shaft self can do revolution action on support, and support side is furnished with the discharging tension force of corresponding tension device when guaranteeing the discharging of reel material.When practical operation, staff is directly arranged in reel material on air-expanding shaft as film cylinder, and ventilate in air-expanding shaft, owing to being furnished with in advance the expansion piece that is subject to gas pressure and can radially make along it reciprocating action on air-expanding shaft, under the effect of air-expanding shaft air pressure inside, the outstanding air-expanding shaft periphery wall of expansion piece also tightly compresses the inner hole wall of reel material, thereby reaches the clamping object of air-expanding shaft and reel material.
For different reel materials, take film cylinder as example, as often difference to some extent of the paper web diameter of its coiling matrix, also can not completely and fit like a glove or be slightly larger than its external diameter between air-expanding shaft external diameter arranges, this just needs an excessive part, thereby meets the reel material of different paper web diameters and the fiting effect of air-expanding shaft.
In fact, above-mentioned excessive part in current thin film industry is selected, and is all the plug equipment that adopts a kind of aluminum alloy air sac plug by name, and its entirety is the rubber structure of open circles tubular, on it, offer induction opening, the internal orifice dimension of aluminum alloy air sac plug is a bit larger tham air-expanding shaft external diameter; When practical operation, first its plug is inflated and filled in the paper web of reel material, then by being socketed on air-expanding shaft of its entirety, can reach the object of affixed reel material on air-expanding shaft.
Above-mentioned air sac plug, due to the material reason of himself, its existing defect can not look down upon: discuss the material of elastomeric material self for the present for its actual environment for use and the impact in service life, in the time that reality is used, usually there is gas leakage situation in air sac type structure, therefore need to be equipped with corresponding pneumatic element inflates in good time, to avoid the break-off of plug and reel storeroom, its use is very loaded down with trivial details.In addition, coordinating between air sac plug and air-expanding shaft is often very tight, even need to use different model plugs for different air-expanding shafts, and this has just caused the inconvenience of its mounting or dismounting and has used expensive property, thereby brings very big puzzlement for those skilled in the art.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, and a kind of expansion equation plug simple in structure and practical is provided, effectively to stop the defects such as the current frequent inflation that air sac plug was occurred, its longer service life.
For achieving the above object, the utility model has adopted following technical scheme:
A kind of expansion equation plug, it is characterized in that: comprise plural lobe ring element, described lobe ring element is soft solid schistose texture or hard schistose texture, each lobe ring element encloses to form the cover columnar structure of expansion equation plug each other, and lobe ring element encloses the mating holes for coordinating with air-expanding shaft of the hole portion formation expansion equation plug of formation; The radial direction maximum ga(u)ge of lobe module unit is less than or equal to air-expanding shaft outer wall to reel material inner hole wall spacing to be coordinated; Described expansion equation plug also comprises that the elastic recovery force direction of described elastic portion is radially inwardly arranged along plug for gathering with banding lobe ring element and bestowing the elastic portion of its pressure force.
Described lobe ring element is the solid tile that uniform thickness is arranged, the fitting surface of the adjacent curved end on curved end formation and the adjacent petals ring element of each lobe ring element, and each lobe ring element encloses the hollow cylinder columnar structure that forms expansion equation plug; The outer arc wall place of lobe ring element is furnished with groove, the groove shape ringwise that communicates with each other of the groove on each lobe ring element outer arc wall, and this groove forms the mating groove that is embedded elastic portion.
Described lobe ring element is three and appearance profile is consistent each other.
Lobe ring element outer arc wall place is furnished with anti-skidding rib, and the parallel lobe ring element of anti-skidding rib length direction axis arranges, and anti-skidding rib is multiple and successively uniform along lobe ring element outer arc wall.
Groove on expansion equation plug is twice and on its periphery wall, closes on respectively its end, both ends and arrange.
The elastic bar of described elastic portion.
Described lobe ring element material used is nylon.
The beneficial effects of the utility model be following some:
1), the various defects that the air sac type structure of traditional plug brings have been abandoned, by adopting soft solid lobe piece or the solid lobe block structure of the hollow even hard of hard, utilize the enclosing property of lobe piece self, also be that it can realize and self crowding around under the effect of elastic portion, and can under the pressure effect of the expanding block top of air-expanding shaft, overcome the tightening force of elastic portion and distending tightly compress the inner hole wall of reel material upper paper tube, thereby realize it with respect to the transitional function between air-expanding shaft and large aperture paper web simultaneously.Said structure is because each lobe interblock independently exists, also in the time being subject to the top lift of expanding block on air-expanding shaft, each lobe piece can be separated from each other and expand arbitrarily, and a covering device can meet the user demand of the air-expanding shaft of different-diameter, and its use cost can greatly be reduced; In addition, solid and the hard structure of lobe piece, also the frequent inflation while having avoided inflatable article to use and be easy to the defect of gas leakage, reusable and without special maintenance, this practical life for plug and reduce maintenance cost and all play vital effect, to use also very convenient simultaneously, also can actv. replacing time of reduction plug, to have reduced the practical operation intensity of field man, achieve many things at one stroke.
2), consider common service condition, for guarantee lobe ring element crowd around object and with respect to reel material against effect, further limit for the shape of lobe ring element herein.In addition, the setting of elastic portion, on the one hand for guaranteeing under not use state and providing lobe ring element to gather the power of enclosing when plug contraction state; On the other hand, be can play certain constraint fixed effect while enclosing for multiple lobe ring elements.By the setting of groove, not only define lobe ring element in plug active constraint radially herein, also guaranteed the activity effect of plug along its axial direction simultaneously, finally provide effective assurance for the normal reliable of total is used.
3), the setting of anti-skidding rib, to consider that the coiling matrix of normal conditions lower mandrel member material is all paper web, and in order to guarantee the tight interlocking between the utility model and above-mentioned paper web, by along the axial arranged anti-skidding rib of plug, obviously can be better in the time that plug be subject to air-expanding shaft effect and expands, can tightly embed paper web inner hole wall place, this reel skidding for the easy appearance of avoiding reel material when the unwinding and rewinding can be played the effect of well stopping.
4) be twice by groove arrangement, be to consider to reach the most basic spacing binding effect for lobe ring element, herein; And the layout road number of groove when actual use, or perhaps the layout number of elastic portion, can determine according to on-the-spot actual production situation, the optimum efficiency of being thought to reach field technician just repeats herein no longer one by one.
5), for actual number and the material of lobe module unit, this solid lobe module unit of sentencing three road nylon materials is as the criterion, and is pulled and supported to each other by elastic bar.Said structure, nylon feed self has good Combination property on the one hand, as good mechanical property, resistance to effect of heat and abrasion test, and is easy to processing, can under the prerequisite that meets structure function of the present utility model, reduce border use cost in fact by actv.; On the other hand, solid material and the independent lobe module unit of arranging has guaranteed its high service life and low maintenance cost in use, once occur that lobe module unit damages simultaneously, only need to change wherein a repeated usage again, its operation and maintenance is all very convenient and swift in good time.
6), the shape conformability of lobe module unit, as above-mentioned, be and guarantee its self convertibility in use; With the lobe module unit of standard, its processing and fabricating all can be followed same mould and manufacture craft, thereby can reduce greatly its fabrication cycle and productive costs, promotes its actual productivity effect to be conducive to enterprise.
Accompanying drawing explanation
Fig. 1 is the utility model perspective view;
Fig. 2 is the perspective view of lobe ring element;
Fig. 3 is installation assembly drowing of the present utility model.
The anti-skidding rib 20-of 10-lobe ring element 11-groove 12-elastic portion
A-air-expanding shaft b-expanding block c-paper web d-reel material
The specific embodiment
For ease of understanding, do following description in conjunction with Fig. 1-3 pair concrete structure of the present utility model and mode of operation thereof herein:
Concrete structure of the present utility model, can, with reference to shown in Fig. 1-2, also be the lobe module unit 10 by solid tile-shaped structure, and the entirety that realizes above-mentioned lobe module unit 10 with elastic portion 20 encloses effect; Due to the application of force direction of elastic portion 20 for along plug radial direction inwardly (also radially and to plug axis place) bestow application force, thereby do the used time at the top lift that is subject to expanding block on air-expanding shaft a, distending withstand paper web c thereupon, pushes against effect to complete for the inlay card of reel material d.
When the actual use of the utility model, first filled in the paper web c endoporus place on reel material d, then by unloading air-expanding shaft a on unwinding equipment support, and reel material d is overlapped in access air-expanding shaft a together with the utility model; Because the utility model is positioned at the paper web c of reel material d, therefore reel material d indirectly with between air-expanding shaft a is formed socket and coordinates by the utility model.Again, reinstall air-expanding shaft a on unwinding equipment support, and start unwinding equipment, now air-expanding shaft a ventilation, the expanding block b on air-expanding shaft a starts outstanding its periphery wall starting the lobe module unit 10 inner arc wall application of forces gradually; When expanding block b top lift be greater than elastic portion 20 bring power together time, lobe ring element 10 is by jack-up, and forms and clamp closely against relation between beginning and paper web c; Its final assembling structure can, with reference to shown in Fig. 3, now form secure fit between the paper web c on reel material d, expansion equation plug of the present utility model and air-expanding shaft a three, thereby has also just guaranteed the normal orderly function of follow-up machinery.
Claims (7)
1. an expansion equation plug, it is characterized in that: comprise plural lobe ring element (10), described lobe ring element (10) is soft solid schistose texture or hard schistose texture, each lobe ring element (10) encloses to form the cover columnar structure of expansion equation plug each other, and lobe ring element (10) encloses the mating holes for coordinating with air-expanding shaft of the hole portion formation expansion equation plug of formation; The radial direction maximum ga(u)ge of lobe module unit (10) is less than or equal to air-expanding shaft outer wall to reel material inner hole wall spacing to be coordinated; Described expansion equation plug also comprises that the elastic recovery force direction of described elastic portion (20) is radially inwardly arranged along plug for gathering with banding lobe ring element (10) and bestowing the elastic portion (20) of its pressure force.
2. expansion equation plug according to claim 1, it is characterized in that: the solid tile that described lobe ring element (10) is arranged for uniform thickness, the fitting surface of the adjacent curved end on curved end formation and the adjacent petals ring element (10) of each lobe ring element (10), each lobe ring element (10) encloses the hollow cylinder columnar structure that forms expansion equation plug; The outer arc wall place of lobe ring element (10) is furnished with groove (11), the groove shape ringwise that communicates with each other of the groove (11) on each lobe ring element (10) outer arc wall, and this groove (11) forms the mating groove that is embedded elastic portion (20).
3. expansion equation plug according to claim 2, is characterized in that: described lobe ring element (10) is three and appearance profile is consistent each other.
4. according to the expansion equation plug described in claim 2 or 3, it is characterized in that: lobe ring element (10) outer arc wall place is furnished with anti-skidding rib (12), the parallel lobe ring element of anti-skidding rib (12) length direction (10) axis setting, anti-skidding rib (12) is multiple and successively uniform along lobe ring element (10) outer arc wall.
5. according to the expansion equation plug described in claim 2 or 3, it is characterized in that: the groove (11) on expansion equation plug is for twice and on its periphery wall, close on respectively its end, both ends layout.
6. according to the expansion equation plug described in claim 1 or 2 or 3, it is characterized in that: the elastic bar of described elastic portion (20).
7. according to the expansion equation plug described in claim 1 or 2 or 3, it is characterized in that: described lobe ring element (10) material used is nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017632.4U CN203699469U (en) | 2014-01-10 | 2014-01-10 | Unfolding type choke plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017632.4U CN203699469U (en) | 2014-01-10 | 2014-01-10 | Unfolding type choke plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203699469U true CN203699469U (en) | 2014-07-09 |
Family
ID=51049939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420017632.4U Expired - Lifetime CN203699469U (en) | 2014-01-10 | 2014-01-10 | Unfolding type choke plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203699469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113460810A (en) * | 2021-07-29 | 2021-10-01 | 武汉淡雅香生物科技有限公司 | Piston type internal energy storage tensioning shaft |
-
2014
- 2014-01-10 CN CN201420017632.4U patent/CN203699469U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113460810A (en) * | 2021-07-29 | 2021-10-01 | 武汉淡雅香生物科技有限公司 | Piston type internal energy storage tensioning shaft |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| USD647459S1 (en) | Pneumatic tire | |
| CN105437582B (en) | A kind of tyre chafer anti-package device | |
| FR2823698B1 (en) | AIR TIRES FOR AIRCRAFT | |
| USD573530S1 (en) | Pneumatic tire | |
| BR112012002555A2 (en) | retreaded tire production method | |
| CN203699469U (en) | Unfolding type choke plug | |
| CN104970920A (en) | Waist-surrounding straight transposition wheel adsorbing air chamber structure | |
| CN204638477U (en) | A kind of coating machine with discharging device | |
| CN101259757A (en) | Repairing method for radial tire crown explosion | |
| CN204339865U (en) | Corrugated board cutting means | |
| CN204079115U (en) | A kind of inflatable rolling cover for BOPP film splitter | |
| CN205343864U (en) | Tire bead infantees is turned over to pack and is put | |
| CN109353898A (en) | Fast disassembly type spline air-expanding shaft | |
| CN101823644A (en) | Chuck of unwinding gas machine of splitting machine | |
| CN105757248A (en) | Large composite-structure sealing element for rotating shaft | |
| CN101214778A (en) | All-steel inclined curtain removable face engineering radial tyre | |
| CN211099837U (en) | Frock is paintd to vulcanization capsule separant | |
| CN203033497U (en) | Unreeling device of splitting machine | |
| CN105502202A (en) | Rubber airbag with multiple curved surfaces and opening in one end | |
| CN203880154U (en) | One-way air gun valve | |
| CN202321822U (en) | Outward expansion type blade air-inflated shaft | |
| CN110665731A (en) | Method and tool for coating release agent on surface of vulcanization capsule | |
| CN106626983B (en) | A kind of fast-assembling inner tube of a tyre and its making and use method | |
| CN206069093U (en) | A kind of pneumatic jack tensioner of cylinder | |
| ATE471243T1 (en) | Pneumatic TIRE WITH A BEAD CORE WHICH HAS A HEXAGONAL CROSS SECTION |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |