CN203836105U - Redrying machine chain flexibility tension device - Google Patents
Redrying machine chain flexibility tension device Download PDFInfo
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- CN203836105U CN203836105U CN201420129452.5U CN201420129452U CN203836105U CN 203836105 U CN203836105 U CN 203836105U CN 201420129452 U CN201420129452 U CN 201420129452U CN 203836105 U CN203836105 U CN 203836105U
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- Prior art keywords
- chain
- redrying machine
- guide rail
- tension device
- flexible tension
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- 238000000034 method Methods 0.000 description 3
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Abstract
The utility model provides a redrying machine chain flexibility tension device. The redrying machine chain flexibility tension device comprises a chain transmission device, and further comprises a guide rail and a reciprocating movement device for driving the chain transmission device to reciprocate along the guide rail; the chain transmission device is arranged on the guide rail in a sliding manner; the reciprocating movement device is connected with the chain transmission device; a control element of the reciprocating movement device is connected with a control switch of the redrying machine. The redrying machine chain flexibility tension device has the benefits that when the redrying machine starts working, the reciprocating movement device pushes the chain transmission device to move on the guide rail, and a chain is tensioned; when the redrying machine stops working, the reciprocating movement device drives the chain transmission device to return to the initial position, and the chain recovers a free state, so that the service life of the chain is prolonged.
Description
Technical field
The utility model belongs to redrying machine chain tension technical field, relates to the flexible tension device of a kind of redrying machine chain, relates in particular to a kind of flexible tension device of chain that is applied to smoked sheet multiple roasting machine, offal redrying machine and burley tobaccos dryer.
Background technique
The equipment such as tobacco business smoked sheet multiple roasting machine, offal redrying machine and burley tobaccos dryer are when normal operation, and chain should be all the time in tensioning state.But chain in use for some time, due to the impact of under tension and high temperature, chain stripe pitch can be because wearing and tearing etc. are former thereby become gradually large, and chain will produce elongation, causes the loosening of chain.Finally make chain and sprocket wheel mesh well, affected greatly transmission efficiency, poor stability, when serious, chain is jumped tooth and is come off, and finally can cause transmission failure.In order to make equipment normally move, need to carry out tensioning to chain, to prevent chain-loose, to come off, alleviate sprocket wheel, chain wear, extend the working life of sprocket wheel, chain, improve stability and the transmission efficiency of chain work.In prior art, often utilize Compress Spring to carry out tensioning, in order to make chain in tensioning state, need the position of manual tune Compress Spring often.
CN103267096A discloses the flexible tension structure of a kind of chain, comprise chain, sprocket wheel and chain pulley seat, described chain pulley seat one side forms supporting axle, described sprocket wheel is located on supporting axle by bearing is rotatable, described chain pulley seat is slidably located on guide rail, described guide rail is fixed on positive stop, and described chain pulley seat one end is connected with tensioning damping mechanism.In the flexible tension structure of this chain, chain and sprocket wheel are when coordinating transmission, by tensioning damping mechanism, timely adjustment is carried out in the position of sprocket wheel and chain pulley seat, thereby reach the technical purpose of loading between chain and sprocket wheel, effectively avoid chain to jump even transmission failure of tooth, greatly improved stability.The flexible tension structure of this chain makes chain all the time in tensioning state, has shortened the working life of chain.
Model utility content
The purpose of this utility model is to provide the flexible tension device of redrying machine chain of a kind of auto-tensioning and chain long service life, chain tension while making redrying machine start work, and the chain state that affranchises during shutdown, has extended working life of chain.The flexible tension device of this redrying machine chain is especially applicable to being applied to the equipment such as smoked sheet multiple roasting machine, offal redrying machine and burley tobaccos dryer.
The flexible tension device of redrying machine chain, comprise chain transmission, it is characterized in that: the flexible tension device of described sprocket wheel comprises guide rail and for driving chain transmission along the reciprocating reciprocator of guide rail, described chain transmission is slidably arranged on guide rail, and reciprocator is connected with chain transmission.
During redrying machine start, reciprocator drives chain transmission along guide rail movement to working position, makes chain tension; When redrying machine is shut down, reciprocator drives chain transmission to reply its initial position, the chain state that affranchises.This chain stretching device can prevent the chain state in stressed tensioning always, extends the working life of chain.
Reciprocator comprises control unit, and control unit is connected with the control switch of redrying machine.
The control unit of reciprocator is connected with the control switch of redrying machine, and redrying machine control switch is opened, and during redrying machine start operation, control unit is controlled reciprocator and driven chain transmission along guide rail movement, makes chain tension; Redrying machine control switch cuts out, and when redrying machine is shut down, control unit is controlled reciprocator and driven chain transmission to reply its initial position, the chain state that affranchises.
Reciprocator also comprises double-acting cylinder, and the piston rod of double-acting cylinder is connected with chain transmission.
The piston-advance of double-acting cylinder or retreat can thrust output or pulling force, it is simple in structure, and stroke can be selected as required.Adopt double-acting cylinder to drive chain transmission, can realize the linear reciprocating motion of chain transmission, and the stroke of chain transmission is controlled.
The rolling bearing units of chain transmission are slidably arranged on guide rail, and the piston rod of described double-acting cylinder is connected with rolling bearing units.
Chain transmission comprises rolling bearing units and slide block, and rolling bearing units are arranged on slide block, and slide block is slidably arranged on guide rail, and the piston rod of described double-acting cylinder is connected with slide block.
Slide block end is provided with the fixed plate perpendicular to guide rail, and the piston rod of double-acting cylinder is connected with slide block by fixed plate.
The piston rod end of double-acting cylinder is provided with outside thread, and fixed plate is provided with fixed hole, and piston rod is connected with bolt of fixing plate by set screw nut through fixed hole.
The flexible tension device of redrying machine chain also comprises the Detecting element for detection of relative position between chain transmission and guide rail, chain transmission and Detecting element are disposed on guide rail, and the control unit of reciprocator is connected with the signal output part of Detecting element and the control switch of redrying machine respectively.
Adopt Detecting element can determine the relative position between chain transmission and guide rail, so that chain transmission in optimum Working, is avoided chain over-tension or the lax normal work that affects chain.The signal output part of Detecting element is connected with the control unit of reciprocator, when redrying machine control switch is opened, during redrying machine start operation, reciprocator drives chain transmission along guide rail movement, when Detecting element detects chain transmission arrival working position, reciprocator stop motion, chain transmission is fixed on working position and starts working.When redrying machine control switch cuts out; when redrying machine is shut down, reciprocator drives chain transmission to move to opposite direction along guide rail, when Detecting element detects chain transmission arrival initial position; reciprocator stop motion, the chain state that affranchises.
Detecting element is movably arranged on guide rail along guide rail.
In use for some time, due to the impact of under tension and high temperature, chain pitch becomes greatly because of wearing and tearing chain gradually, and chain can produce elongation.Detecting element can move along guide rail, can regulate the position of Detecting element, thereby the working position of adjusting chain transmission device, to guarantee that chain transmission is in optimum Working, prevents that chain is lax.
Control unit is two five-way electromagnetic valves, and Detecting element is approach switch.
Two five-way electromagnetic valves conventionally and double-acting cylinder support the use, can accurately control the movement of double-acting cylinder inner carrier, stability of motions is good.Approach switch just contacts and can operate without carrying out direct mechanical with moving element.When the sensitive surface of chain transmission approach switch arrives operating distance, do not need Mechanical Contact or apply any pressure just to make approach switch that signal is passed to reciprocator control unit.When chain transmission arrives the working position of setting, approach switch will pass to signal the control unit of reciprocator.Approach switch has reliable in action, stable performance, frequency response is fast, application life is long, and antijamming capability waits by force and has waterproof, a feature such as shockproof, corrosion-resistant, when the induction region of chain transmission approach switch, approach switch just can be contactless, without pressure, no-spark, send signal rapidly, by control unit, accurately control position and the stroke of chain transmission, the convenience that its positioning precision is high, long service life, installation are adjusted.
Advantage and the good effect that the utlity model has are: owing to adopting technique scheme; during redrying machine start; chain is in tensioning state; when redrying machine is shut down; the chain state that affranchises; prevent that chain from, because constant tension under the condition of high temperature affects the life-span, having extended the working life of chain.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
In figure:
1, chain 2, sprocket wheel 3, transmission shaft 4, rolling bearing units 5, set screw nut
6, guide rail 7, double-acting cylinder 8, piston 9, piston rod 10, Detecting element
11, control unit 12, slide block 13, fixed plate
Embodiment
As shown in Figure 1, the flexible tension device of the utility model redrying machine chain comprises chain transmission, guide rail 6 and reciprocator, chain transmission is connected with reciprocator and is arranged on guide rail 6, can be along guide rail 6 to-and-fro motion under the drive of reciprocator.Chain transmission is realized the tensioning of chain 1 and is relaxed by the to-and-fro motion on guide rail 6.The control unit 11 of reciprocator is connected with the control switch of redrying machine.Redrying machine control switch is opened, and during redrying machine work, reciprocator drives chain transmission to move to working position, chain 1 tensioning; Redrying machine control switch cuts out, and when redrying machine is shut down, reciprocator drives chain transmission to return to initial position, chain 1 state that affranchises.
Reciprocator comprises double-acting cylinder 7 and control unit 11, double-acting cylinder 7 inside are provided with movably and are connected with piston rod 9 on piston 8, piston 8, the other end of piston rod 9 is connected with chain transmission, and control unit 11 is connected with the control switch of redrying machine.Reciprocator drives the motion of piston rod 9 by the to-and-fro motion of double-acting cylinder 7 inner carriers 8, thereby drives chain transmission to realize to-and-fro motion on guide rail 6.Wherein, control unit 11 can be two five-way electromagnetic valves, and double-acting cylinder 7 can be servo cylinder.
Chain transmission comprises chain 1, sprocket wheel 2, transmission shaft 3, rolling bearing units 4 and slide block 12, described slide block 12 is slidably arranged on guide rail 6, rolling bearing units 4 are arranged on slide block 12, transmission shaft 3 is arranged on rolling bearing units 4, sprocket wheel 2 is arranged on transmission shaft 3 by rolling bearing units 4 are rotatable, chain 1 is arranged on sprocket wheel 2, and reciprocator is connected with slide block 12.Reciprocator, by drive whole chain device to slide on guide rail 6 to the push-and-pull of slide block 12, is realized the tensioning of chain 1 or relaxes.Slide block 12 ends are provided with the fixed plate 13 perpendicular to slide block 12, and piston rod 9 is connected with slide block 12 by fixed plate 13.Piston rod 9 ends are provided with outside thread, and fixed plate 13 is provided with fixed hole, and piston rod 9 is connected with fixed plate 13 bolts by set screw nut 5 through fixed hole.
The flexible tension device of redrying machine chain also comprises the Detecting element 10 for detection of chain transmission and 6 relative positions of guide rail, chain transmission and Detecting element 10 are disposed on guide rail 6, and the control unit 11 of reciprocator is connected with the signal output part of Detecting element 10 and the control switch of redrying machine respectively.What Detecting element 10 can move along guide rail 6 is arranged on guide rail 6.Wherein, Detecting element 10 can be approach switch, is further High Frequency Oscilated Approach Switch.
The working procedure of this example: redrying machine control switch is opened, the control unit 11 of double-acting cylinder 7 is under the co-controlling of Detecting element 10 and redrying machine control switch, piston 8 is in the interior motion of double-acting cylinder 7, by piston rod 9 band movable sliders 12, along guide rail 6, slide, whole chain transmission is close to Detecting element 10 along guide rail 6.When chain transmission moves to working position, chain 1 tensioning, Detecting element 10 passes to control unit 11 by signal, piston 8 stop motions in double-acting cylinder 7.Chain 1 keeps normal tensioning state.
When redrying machine control switch cuts out, piston 8 in double-acting cylinder 7 is moved back, and when chain transmission moves to initial position, Detecting element 10 passes to control unit 11 by signal, piston 8 stop motions in double-acting cylinder 7, chain 1 state that affranchises.
In use for some time, due to the impact of under tension and high temperature, chain 1 pitch becomes greatly because of wearing and tearing chain 1 gradually, and chain 1 can produce elongation.Can make Detecting element 10 move along guide rail 6, redefine the working position of chain transmission, to guarantee that chain 1 transmission device is in optimum Working, prevent that chain is lax.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (9)
1. the flexible tension device of redrying machine chain, comprise chain transmission, it is characterized in that: the flexible tension device of redrying machine chain also comprises guide rail and for driving chain transmission along the reciprocating reciprocator of guide rail, described chain transmission is slidably arranged on guide rail, described reciprocator comprises double-acting cylinder, and the piston rod of double-acting cylinder is connected with chain transmission.
2. the flexible tension device of redrying machine chain according to claim 1, is characterized in that: reciprocator comprises control unit, and control unit is connected with the control switch of redrying machine.
3. the flexible tension device of redrying machine chain according to claim 1, is characterized in that: the rolling bearing units of described chain transmission are slidably arranged on guide rail, and the piston rod of described double-acting cylinder is connected with rolling bearing units.
4. the flexible tension device of redrying machine chain according to claim 3, it is characterized in that: described chain transmission comprises rolling bearing units and slide block, rolling bearing units are arranged on slide block, and slide block is slidably arranged on guide rail, and the piston rod of described double-acting cylinder is connected with slide block.
5. the flexible tension device of redrying machine chain according to claim 4, is characterized in that: described slide block end is provided with the fixed plate perpendicular to guide rail, and the piston rod of described double-acting cylinder is connected with slide block by fixed plate.
6. the flexible tension device of redrying machine chain according to claim 5, is characterized in that: the piston rod end of described double-acting cylinder is provided with outside thread, and fixed plate is provided with fixed hole, and piston rod is connected with bolt of fixing plate by set screw nut through fixed hole.
7. according to the flexible tension device of the redrying machine chain described in claim 2-6 any one, it is characterized in that: the flexible tension device of described redrying machine chain also comprises the Detecting element for detection of relative position between chain transmission and guide rail, and the control unit of reciprocator is connected with the signal output part of Detecting element and the control switch of redrying machine respectively.
8. the flexible tension device of redrying machine chain according to claim 7, is characterized in that: described Detecting element is movably arranged on guide rail along guide rail.
9. the flexible tension device of redrying machine chain according to claim 7, is characterized in that: described control unit is two five-way electromagnetic valves, and described Detecting element is approach switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420129452.5U CN203836105U (en) | 2014-03-20 | 2014-03-20 | Redrying machine chain flexibility tension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420129452.5U CN203836105U (en) | 2014-03-20 | 2014-03-20 | Redrying machine chain flexibility tension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203836105U true CN203836105U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420129452.5U Expired - Lifetime CN203836105U (en) | 2014-03-20 | 2014-03-20 | Redrying machine chain flexibility tension device |
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| CN (1) | CN203836105U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104875475A (en) * | 2015-05-27 | 2015-09-02 | 杭州项淮机械科技有限公司 | Flexible resin plate printing mechanism, flexible printing device and flexible adjusting printing method |
| CN105805523A (en) * | 2016-06-02 | 2016-07-27 | 厦门烟草工业有限责任公司 | Automatic lubricating device and automatic lubricating method |
| CN113775715A (en) * | 2021-08-27 | 2021-12-10 | 中国煤炭科工集团太原研究院有限公司 | Chain tensioning device and anchor rod drill carriage |
-
2014
- 2014-03-20 CN CN201420129452.5U patent/CN203836105U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104875475A (en) * | 2015-05-27 | 2015-09-02 | 杭州项淮机械科技有限公司 | Flexible resin plate printing mechanism, flexible printing device and flexible adjusting printing method |
| CN105805523A (en) * | 2016-06-02 | 2016-07-27 | 厦门烟草工业有限责任公司 | Automatic lubricating device and automatic lubricating method |
| CN105805523B (en) * | 2016-06-02 | 2018-04-06 | 厦门烟草工业有限责任公司 | Automatic lubrication installation and automatic lubricating method |
| CN113775715A (en) * | 2021-08-27 | 2021-12-10 | 中国煤炭科工集团太原研究院有限公司 | Chain tensioning device and anchor rod drill carriage |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |
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| CX01 | Expiry of patent term |