CN202540916U - Unreeling device for digital printing machine - Google Patents
Unreeling device for digital printing machine Download PDFInfo
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- CN202540916U CN202540916U CN2012200830526U CN201220083052U CN202540916U CN 202540916 U CN202540916 U CN 202540916U CN 2012200830526 U CN2012200830526 U CN 2012200830526U CN 201220083052 U CN201220083052 U CN 201220083052U CN 202540916 U CN202540916 U CN 202540916U
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- roll
- jockey pulley
- cloth
- pinion
- controller
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Abstract
The utility model relates to an unreeling device for a digital printing machine. At present, no unreeling device with simple structure, reasonable design and reliable performance is available for a digital printing machine. The unreeling device comprises a support, a guide roller, a motor arranged on the support, an unreeling roller connected with the motor, a tension roller with two rolling gears, two racks and two positioning strips with guide slots, and is characterized by further comprising a control box, a controller, a variable resistor, a big gear, a pinion and a connecting member, wherein the control box is arranged on the support, the controller is arranged in the control box and is connected with the motor, the variable resistor, the big gear, the pinion and the connecting member are all located in the control box, the big gear is fixed at one end of the tension roller, the connecting member is connected onto the tension roller, the big gear and the pinion are meshed, the variable resistor is connected with the pinion, and the controller is connected with the variable resistor. The unreeling device disclosed by the utility model is reasonable in structure design and has a good effect on adjusting the tension applied to fabric.
Description
Technical field
The utility model relates to a kind of unwinding device, especially relates to a kind of unwinding device that is used for digital decorating machine, is mainly used in and puts cloth uniformly, belongs to parts in the digital decorating machine.
Background technology
In digital decorating machine, all be provided with unwinding device usually; Be provided with let off roll in this unwinding device, motor is connected with let off roll, under the effect of motor; Let off roll can rotate; The tubular cloth that need carry out digit printing is sleeved on the let off roll, and emits through let off roll, and this cloth is divided at the enterprising line number sign indicating number of conduction band stamp and operated then.
Because the unwinding device in the digital decorating machine is in putting the process of cloth; The tension force size fluctuation at any time that cloth is suffered; The degree that makes cloth be stretched can change, and need carry out the cloth that stamp is operated thereby cause wrap-up to be difficult to emit uniformly, and fold very easily appears in cloth in the process of emitting; And then influence the quality of digit printing product greatly, improved defect rate.
At present also there are some to be used for the unwinding device of digital decorating machine relatively preferably; Such unwinding device comprises that support, deflector roll, let off roll, two ends have the jockey pulley of gear, two tooth bar and two positioning strips that have gathering sill that are complementary with gear; Wherein, The two ends of deflector roll and let off roll are all rack-mount through bearing; This deflector roll and let off roll are parallel to each other, and two toothed rack are separately fixed on the cell wall of two positioning strip gathering sills, and this two toothed rack all is positioned at the last cell wall or the following cell wall of gathering sill; Two positioning strips all are fixed on the support, and these two positioning strips are parallel to each other; The two ends of jockey pulley are installed in respectively in the gathering sill of two positioning strips, and the gear at these jockey pulley two ends is meshed with two toothed rack respectively, and jockey pulley and let off roll parallel, and this jockey pulley is positioned at the below of let off roll.Such unwinding device in use, the jockey pulley pocket is on cloth to be unreeled, when the tension force that receives when cloth became big, cloth increased the active force that jockey pulley makes progress, and makes jockey pulley scroll up along gathering sill, reduces the tension force that cloth receives thus; And the tension force that receives when cloth is when diminishing, and jockey pulley just rolls downwards along gathering sill under the self gravitation effect, thereby suitably increases the tension force of cloth, prevents that the tension force of cloth is too small.Such unwinding device is regulated the tension force size that cloth receives through jockey pulley, can play good regulating action to the tension force that cloth receives, still; Being used to drive the rotating speed of motor that let off roll rotates in such unwinding device is constant all the time, because cloth is just when unreeling operation, the diameter of tubular cloth is bigger; The cloth length that the moving circle of let off roll revolution is emitted is longer; At this moment, the tension force that cloth receives is less, if the diameter of tubular cloth is bigger than normal more; Be the cloth storage more for a long time; When even jockey pulley is rolled to the bottom of gathering sill, the tension force that cloth receives is still less than normal, and this just causes occurring jockey pulley can't regulate the big or small situation of tension force that cloth receives; And cloth is being about to unreel when finishing, and the diameter of tubular cloth is less, and the cloth length that the moving circle of let off roll revolution is emitted is shorter; At this moment, the tension force that cloth receives is bigger, if the diameter of tubular cloth is less than normal more; Be the cloth storage more after a little while; When even jockey pulley is rolled to the top of gathering sill, the tension force that cloth receives is still bigger than normal, and this just causes occurring jockey pulley can't regulate the big or small situation of tension force that cloth receives.This shows, such be used for digital decorating machine unwinding device can not according to let off roll cloth storage how much come the speed of unreeling of cloth is regulated, thereby dwindled applicable surface.
In sum; Also do not have at present a kind of simple in structure, reasonable in design, dependable performance; The regulating effect of the tension force size that cloth is received is good, can be according to the unwinding device that is used for digital decorating machine that the speed of unreeling of cloth is regulated of how much coming of cloth storage in the let off roll.
The utility model content
The purpose of the utility model is to overcome the above-mentioned deficiency that exists in the prior art; And a kind of reasonable in design is provided; Dependable performance; The regulating effect of the tension force size that cloth is received is good, can be according to the unwinding device that is used for digital decorating machine that the speed of unreeling of cloth is regulated of how much coming of cloth storage in the let off roll.
The utility model addresses the above problem the technical scheme that is adopted: this unwinding device that is used for digital decorating machine comprises support, deflector roll, rack-mount motor, the let off roll that is connected with motor, the jockey pulley that has two rolling bearings, two tooth bar and two positioning strips that have gathering sill that are complementary with rolling bearing; The two ends of said deflector roll and let off roll are all rack-mount through bearing; This deflector roll and let off roll are parallel to each other; Said two toothed rack are separately fixed on the cell wall of two positioning strip gathering sills, and this two toothed rack all is positioned on the last cell wall or following cell wall of gathering sill; Said two positioning strips all are fixed on the support, and these two positioning strips are parallel to each other; Said jockey pulley is installed in the gathering sill of two positioning strips, and two rolling bearings on this jockey pulley are meshed with two toothed rack respectively, and said jockey pulley and let off roll parallel; This jockey pulley is positioned at the below of let off roll, and its design feature is: also comprise control cabinet, controller, variable resistance, gear wheel, pinion and connector, said control cabinet is rack-mount; Said controller is installed in the control cabinet, and this controller is connected with motor, and said variable resistance, gear wheel, pinion and connector all are arranged in control cabinet; Said gear wheel is fixed on an end of jockey pulley; Said connector is connected on the jockey pulley, and said pinion is installed on the connector, this pinion and gear wheel engagement; Said variable resistance is connected with pinion, and said controller is connected with variable resistance.
As preferably; Have two groups of locating holes on the said support of the utility model; This locating hole comprises that a centre bore and a row are the periphery hole that the center of circle is circular-arc arrangement with the centre bore, and one of said positioning strip is fixed on the centre bore, and the other end of this positioning strip is fixed on the periphery hole.
As preferably, the angle between said tooth bar of the utility model and the horizontal plane is between 10 °-60 °.
As preferably, the quantity of the said deflector roll of the utility model is between the 2-5 root.
The utility model compared with prior art has the following advantages and effect: can regulate the tension force size that cloth receives through jockey pulley, thereby guarantee that cloth can be evenly and put cloth stably, prevent gauffer, improve the quality of digit printing product.The gear wheel of the utility model is fixed on an end of jockey pulley, pinion and gear wheel engagement, and variable resistance is connected with pinion; Controller is connected with variable resistance, when jockey pulley rotates, can drive gear wheel and rotate; Rotate by the large gear turn the small gear again; Can control the resistance sizes of variable resistance through the rotation of pinion, and coherent signal is passed to controller, control the rotating speed of motor speed through controller.
Unreeling when operation, when the tension force that receives when cloth becomes big, for example unreel in the tube the cloth storage more after a little while; The moving circle of let off roll revolution, the cloth length of being emitted is shorter, thereby has increased the tension force of cloth; At this moment, jockey pulley scrolls up, and jockey pulley drives connector and moves up together; Meanwhile, jockey pulley drives gear wheel and rotates, and rotates by the large gear turn the small gear again; Rotation through pinion reduces the resistance size of variable resistance, and this signal is delivered in the controller, is revved up by controller control motor at last; Accelerate to emit the speed of cloth, thereby reduce the suffered tension force of cloth, to reach the purpose of regulating cloth tension force size.
Unreeling when operation, when the tension force that receives when cloth diminishes, for example unreel in the tube the cloth storage more for a long time; The moving circle of let off roll revolution, the cloth length of being emitted is longer, thereby reduces the tension force of cloth; At this moment, jockey pulley rolls downwards, and jockey pulley drives connector and moves down together; Meanwhile, jockey pulley drives gear wheel and carries out backward rotation, carries out backward rotation by the large gear turn the small gear again; Backward rotation through pinion increases the resistance size of variable resistance, and this signal is delivered in the controller, reduces rotating speed by controller control motor at last; Slow down and emit the speed of cloth, thereby increase the suffered tension force of cloth, to reach the purpose of regulating cloth tension force size.
The utility model simple in structure; Reasonable in design, dependable performance, the regulating effect of the tension force that cloth is received size is good; Can according to cloth storage in the let off roll how much come the speed of unreeling of cloth is regulated; Make the unwinding device that is used for digital decorating machine can either be used for large batch is unreeled operation, can be used in again little yardage roll is unreeled operation, thereby enlarged the applicable surface of the unwinding device that is used for digital decorating machine greatly.
Description of drawings
Fig. 1 is the main TV structure sketch map of the utility model embodiment.
Fig. 2 is the sectional structure sketch map of A-A face among Fig. 1.
Fig. 3 is the last cell wall that removes among Fig. 1 in motor and the positioning strip, and control cabinet is carried out the structural representation after part is analysed and observe.
Fig. 4 is the structural representation after amplify at the A place among Fig. 3.
The specific embodiment
Below in conjunction with accompanying drawing and through embodiment the utility model is done further to specify, following examples are to the explanation of the utility model and the utility model is not limited to following examples.
Embodiment.
Referring to Fig. 1 to Fig. 4, the unwinding device that is used for digital decorating machine in the present embodiment comprises support 1, deflector roll 2, control cabinet 81, controller 82, variable resistance 83, gear wheel 84, pinion 85, connector 86, is installed in the motor 9 on the support 1, the let off roll 3 that is connected with motor 9, the jockey pulley 4 that has two rolling bearings 41, two tooth bar 6 and two positioning strips 5 that have gathering sill 51 that are complementary with rolling bearing 41; Wherein all have a gathering sill 51 in two positioning strips 5.The quantity of deflector roll 2 can be provided with according to actual needs in the utility model, and the quantity of this deflector roll 2 is usually between the 2-5 root.
The deflector roll 2 in the present embodiment and the two ends of let off roll 3 all are installed on the support 1 through bearing, make deflector roll 2 and let off roll 3 all can on support 1, roll, and deflector roll 2 is positioned at the below of let off roll 3, is parallel to each other between this deflector roll 2 and the let off roll 3.The left and right sides of the utility model medium-height trestle 1 can have one group of locating hole, and every group of locating hole is the periphery hole 7 that the center of circle is circular-arc arrangement by a centre bore and a row with the centre bore.
Two toothed rack 6 in the present embodiment are separately fixed in the gathering sill 51 of two positioning strips 5; And tooth bar 6 all is fixed on the following cell wall 53 of gathering sill 51; Certainly, two positioning strips 5 in the utility model also can all be fixed on the last cell wall 52 of each self-corresponding gathering sill 51.Two positioning strips 5 in the present embodiment are separately fixed at the left and right sides of support 1; And of positioning strip 5 is fixed on through screw on the centre bore of support 1; The other end of positioning strip 5 is fixed therein on the periphery hole 7 through screw; Owing to periphery hole 7 is that the center of circle is circular-arc arrangement with the centre bore, thus the other end of positioning strip 5 can be fixed on the different periphery hole 7, thereby can regulate the size of the angle between tooth bar 6 and the horizontal plane; Usually between 10 °-60 °, the number of degrees of angle are 30 ° to angle between the utility model middle rack 6 and the horizontal plane in the present embodiment.
The gathering sill that is installed in two positioning strips 5 respectively 51 of jockey pulley 4 in the present embodiment, and two rolling bearings 41 in the jockey pulley 4 respectively with two gathering sills 51 in tooth bars 6 be meshed, make that jockey pulley 4 can be along gathering sill 51 parallel moving.Jockey pulley 4 in the present embodiment parallels with let off roll 3, and jockey pulley 4 is positioned at the below of let off roll 3.
The unwinding device that is used for digital decorating machine in the present embodiment is mainly used in the cloth that needs are carried out digit printing and unreels operation, and during use, the material distribution cartridge suit that need unreel is fixed on the let off roll 3; Cloth to be unreeled passes from jockey pulley 4 belows earlier; According to actual needs on deflector roll 2, make that jockey pulley 4 is that pocket is on cloth, when cloth need be unreeled then; Let off roll 3 rotates under the effect of motor 9, and cloth passes through jockey pulley 4 and deflector roll 2 successively.Because the cloth that need unreel just has been installed to 3 last times of let off roll, the diameter of tubular cloth is bigger, and the cloth length that the moving circle of motor 9 revolutions is emitted is longer; Thereby reduced the tension force size that cloth receives, pocket impels jockey pulley 4 parallel rolling along gathering sill 51 and downwards under the effect of the jockey pulley on the cloth 4 at self gravitation, increased the tension force size that cloth receives to a certain extent; Meanwhile, jockey pulley 4 drives gear wheel 84 and rotates, and drives pinion 85 by gear wheel 84 again and rotates; Regulate the resistance size of variable resistance 83 through pinion 85; Again this signal is delivered in the controller 82, reduces the rotating speed of motor 9, thereby reduce the speed that unreels of cloth through controller 82; Further increase the tension force size that cloth receives, till the tension force that cloth receives reaches standard value.When the tension force that receives when cloth was big, for example the cloth storage in the tubular cloth was when there is not much left, and the cloth length that the moving circle of motor 9 revolutions is emitted is shorter; Thereby increased the tension force size that cloth receives, the jockey pulley 4 of pocket on cloth receives one of cloth upwards active force, thereby impels along gathering sill 51 and upwards parallel rolling of jockey pulley 4; Reduced the tension force size that cloth receives to a certain extent; Meanwhile, jockey pulley 4 drives gear wheel 84 and rotates, and drives pinion 85 by gear wheel 84 again and rotates; Regulate the resistance size of variable resistance 83 through pinion 85; Again this signal is delivered in the controller 82, through the rotating speed of controller 82 expanded motors 9, thus the speed that unreels of increase cloth; Further reduce the tension force size that cloth receives, till the tension force size that cloth receives reaches standard value.
Because the utility model in use; Digital decorating machine all is placed on the level ground usually; And the angle between tooth bar 6 and the horizontal plane is usually between 10 °-60 °, that is to say that gathering sill 51 and the angle between the horizontal plane in the utility model is usually also between 10 °-60 °.And gathering sill 51 has only two cell walls; When gathering sill 51 is not when being in vertical state, just there is a cell wall to be positioned at the top, another cell wall is positioned at the below; The cell wall that will be positioned at the top in the utility model is called cell wall 52, and the cell wall that is positioned at the below is called cell wall 53 down.
In addition, need to prove, the specific embodiment described in this specification, its zero, the shape of parts, institute's title of being named etc. can be different, the above content described in this specification only is to be illustrated what the utility model structure did.Allly conceive the equivalence that described structure, characteristic and principle do according to the utility model patent and change or simple change, include in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; Only otherwise depart from the structure of the utility model or surmount the defined scope of these claims, all should belong to the protection domain of the utility model.
Claims (4)
1. unwinding device that is used for digital decorating machine; Comprise support, deflector roll, rack-mount motor, the let off roll that is connected with motor, the jockey pulley that has two rolling bearings, two tooth bar and two positioning strips that have gathering sill that are complementary with rolling bearing; The two ends of said deflector roll and let off roll are all rack-mount through bearing; This deflector roll and let off roll are parallel to each other; Said two toothed rack are separately fixed on the cell wall of two positioning strip gathering sills, and this two toothed rack all is positioned on the last cell wall or following cell wall of gathering sill; Said two positioning strips all are fixed on the support, and these two positioning strips are parallel to each other; Said jockey pulley is installed in the gathering sill of two positioning strips, and two rolling bearings on this jockey pulley are meshed with two toothed rack respectively, and said jockey pulley and let off roll parallel; This jockey pulley is positioned at the below of let off roll, it is characterized in that: also comprise control cabinet, controller, variable resistance, gear wheel, pinion and connector, said control cabinet is rack-mount; Said controller is installed in the control cabinet, and this controller is connected with motor, and said variable resistance, gear wheel, pinion and connector all are arranged in control cabinet; Said gear wheel is fixed on an end of jockey pulley; Said connector is connected on the jockey pulley, and said pinion is installed on the connector, this pinion and gear wheel engagement; Said variable resistance is connected with pinion, and said controller is connected with variable resistance.
2. the unwinding device that is used for digital decorating machine according to claim 1; It is characterized in that: have two groups of locating holes on the said support; This locating hole comprises that a centre bore and a row are the periphery hole that the center of circle is circular-arc arrangement with the centre bore; One of said positioning strip is fixed on the centre bore, and the other end of this positioning strip is fixed on the periphery hole.
3. the unwinding device that is used for digital decorating machine according to claim 1 and 2 is characterized in that: the angle between said tooth bar and the horizontal plane is between 10 °-60 °.
4. the unwinding device that is used for digital decorating machine according to claim 1 and 2 is characterized in that: the quantity of said deflector roll is between the 2-5 root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200830526U CN202540916U (en) | 2012-03-07 | 2012-03-07 | Unreeling device for digital printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200830526U CN202540916U (en) | 2012-03-07 | 2012-03-07 | Unreeling device for digital printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202540916U true CN202540916U (en) | 2012-11-21 |
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ID=47161598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200830526U Expired - Lifetime CN202540916U (en) | 2012-03-07 | 2012-03-07 | Unreeling device for digital printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202540916U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110143038A (en) * | 2019-05-29 | 2019-08-20 | 宁波欣达印刷机器有限公司 | It is a kind of to reduce easily stretchable material the method and its system that deformation occurs in speed change printing |
| CN110550488A (en) * | 2019-09-24 | 2019-12-10 | 嘉兴远盛数码纺织技术有限公司 | Unwinding device for digital printing machine |
-
2012
- 2012-03-07 CN CN2012200830526U patent/CN202540916U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110143038A (en) * | 2019-05-29 | 2019-08-20 | 宁波欣达印刷机器有限公司 | It is a kind of to reduce easily stretchable material the method and its system that deformation occurs in speed change printing |
| CN110550488A (en) * | 2019-09-24 | 2019-12-10 | 嘉兴远盛数码纺织技术有限公司 | Unwinding device for digital printing machine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |