CN214239958U - A visit limit mechanism for conduction band is rectified - Google Patents

A visit limit mechanism for conduction band is rectified Download PDF

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Publication number
CN214239958U
CN214239958U CN202023257925.4U CN202023257925U CN214239958U CN 214239958 U CN214239958 U CN 214239958U CN 202023257925 U CN202023257925 U CN 202023257925U CN 214239958 U CN214239958 U CN 214239958U
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proximity switch
switch
conduction band
shaped rotating
trigger block
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CN202023257925.4U
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邓骞
陈路军
陈凡
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Fujian Jilong Machine Technologies Co Ltd
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Fujian Jilong Machine Technologies Co Ltd
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Abstract

The utility model discloses a visit limit mechanism for conduction band is rectified installs in one side of calico printing machine conduction band, including the installing support, T shape runing rest, keep off the wheel, the balancing weight, the switch triggers the piece, first proximity switch and second proximity switch, the nodical department rotatable the installing support of T type of T shape runing rest, keep off the wheel, balancing weight and switch trigger piece are installed respectively in the last perpendicular arm of T shape runing rest, horizontal side arm and lower perpendicular arm, first proximity switch and second proximity switch are all installed on the installing support outside switch trigger piece swing plane one side. The utility model discloses, there is not the problem that first proximity switch and second proximity switch damaged because of the collision of switch trigger piece, and the operation of conduction band is more stable.

Description

A visit limit mechanism for conduction band is rectified
Technical Field
The utility model relates to a textile printing equipment field especially relates to a visit limit mechanism for conduction band is rectified.
Background
In the rotary screen printing process, cloth is conveyed on the guide belt along with the guide belt, the rotary screen stretches across the fixed position above the cloth and rotates under the action of friction force of fabric, and slurry in the rotary screen is printed on the cloth while the rotary screen rotates, so that printing is realized. During printing, in order to avoid dislocation of printed patterns caused by displacement of cloth due to various external forces, on one hand, the cloth needs to be bonded with the conduction band through the pressing unit for conveying, and on the other hand, the conduction band needs to be continuously guided in the operation process so as to control the conduction band and the excursion range of the cloth thereon. The guiding of the guide belt is realized by the correcting device, the correcting device mainly comprises a correcting roller and an edge detecting mechanism, the correcting roller is transversely arranged on the inner side of the guide belt, one end of the correcting roller is hinged, the other end of the correcting roller can swing in the horizontal direction by taking the hinged end as a swing center under the driving of the driving mechanism, the edge detecting mechanism senses the position of the guide belt to determine the deviation position of the guide belt, the swinging of the correcting roller is controlled accordingly, when the edge detecting mechanism detects that the cloth deviates leftwards, the correcting roller drives the guide belt to swing rightwards under the driving of the driving mechanism, when the edge detecting mechanism detects that the cloth deviates rightwards, the correcting roller drives the guide belt to swing leftwards under the driving of the driving mechanism, and therefore, the moving of the guide belt and the cloth on the guide belt is controlled in a small range, the guide belt can run stably, and the cloth can be conveyed accurately to obtain high-quality printing.
The existing edge detecting mechanism is generally two position sensors, the two position sensors are respectively arranged at two sides of a guide belt, when the guide belt deviates to one side and touches the position sensors, the position sensors respond, a deviation correcting roller acts in response to the response of the position sensors, and once the deviation correcting roller swings to one direction in response to the response of the position sensors, the deviation correcting roller can swing reversely only when the other position sensor responds, so that uninterrupted cyclic reciprocation is caused, namely, after starting up, the deviation correcting roller continuously swings back and forth left and right in the running process of the guide belt, the guide belt and cloth on the guide belt are also uninterruptedly swung, adjusted in position, and are in a relatively stable running state without swinging, the deviation correcting control of the guide belt is too rough, and the running stability of the guide belt is still to be further improved; in addition, the position sensor responds to the touch of the guide belt, and is easy to damage due to the impact of the guide belt when the position sensor works for a long time.
Disclosure of Invention
An object of the utility model is to provide a visit limit mechanism for conduction band is rectified.
Realize the utility model discloses the technical scheme of purpose is: a side detection mechanism for correcting a conduction band is arranged on one side of the conduction band of a printing machine and comprises an installation support, a T-shaped rotating support, a baffle wheel, a balancing weight, a switch trigger block, a first proximity switch and a second proximity switch, wherein the T-shaped intersection point of the T-shaped rotating support is rotatably arranged on the installation support, the rotating axis of the T-shaped rotating support tends to be parallel to the conveying direction of the conduction band, the T-shaped rotating support is laid on the side, three arms of the T-shaped rotating support are respectively an upper vertical arm, a horizontal side arm and a lower vertical arm, the baffle wheel is rotatably and vertically sleeved on the upper vertical arm of the T-shaped rotating support, the baffle wheel is abutted against the side edge of the conduction band, the balancing weight is fixedly arranged on the horizontal side arm and is positioned on one side of the T-shaped rotating support, the switch trigger block is arranged on the lower vertical arm of the T-shaped rotating support, the first proximity switch and the second proximity switch are both arranged on the installation support outside the swinging plane side of the switch trigger block, when the switch trigger block swings to one side far away from the guide belt, the switch trigger block firstly blocks and triggers the first proximity switch and then blocks and triggers the second proximity switch, the first proximity switch and the second proximity switch are both connected with a control system, the control system is connected with a driving mechanism of a deviation rectifying roller transversely arranged on the guide belt and used for rectifying deviation of the guide belt, wherein when the switch trigger block simultaneously blocks and triggers the first proximity switch and the second proximity switch, the control system controls the driving mechanism of the deviation rectifying roller to drive the deviation rectifying roller, the deviation rectifying roller drives the guide belt to swing to one side close to the T-shaped rotating support, when the switch trigger block simultaneously blocks and does not trigger the first proximity switch and the second proximity switch, the control system controls the driving mechanism of the deviation rectifying roller to drive the deviation rectifying roller, and the deviation rectifying roller drives the guide belt to swing to one side far away from the T-shaped rotating support.
Further, when the switch trigger block triggers the first proximity switch and does not trigger the second proximity switch, the deviation rectifying roller for rectifying the deviation of the guide belt does not act. This setting can be more meticulous to rectifying of conduction band to when the conduction band position is more in the centre, can not receive the drive of rectifying the roller and swing, can be relatively more steady operation, can not be like current conduction band rectifying device, the conduction band is incessant reciprocal beat always.
Furthermore, the edge detection mechanism for guiding belt deviation correction further comprises a third proximity switch, the third proximity switch is arranged on the mounting bracket and located on a swing path of the switch trigger block, and the switch trigger block blocks the third proximity switch in a swing process to trigger the third proximity switch. Under the normal condition, when the T-shaped rotating support normally swings due to deflection of the guide belt, the switch trigger block blocks the third proximity switch all the time in the normal swinging process to trigger the third proximity switch, and if the third proximity switch is not triggered, the abnormal operation of the guide belt is indicated, and the abnormal state occurs, so that the judgment basis of the operation state of the guide belt can be provided, when the operation of the guide belt is abnormal, the T-shaped rotating support can be automatically stopped, and meanwhile, an alarm signal is sent to remind of maintenance.
The utility model discloses a visit limit mechanism for conduction band is rectified, through the structural setting to T shape runing rest, catch wheel, balancing weight and switch trigger block, make the swing of switch trigger block and the swing of conduction band synchronous, and then so that can be with the detection of conduction band operating position, turn into the detection to switch trigger block position, because in the detection to switch trigger block position, first proximity switch and second proximity switch all install on the installing support outside switch trigger block swing plane one side, when switch trigger block swing shelters from first proximity switch and second proximity switch, can trigger first proximity switch and second proximity switch, when switch trigger block triggers first proximity switch and second proximity switch, all there is not the contact between first proximity switch and second proximity switch, the utility model discloses do not have the problem that first proximity switch and second proximity switch damaged because of the collision of switch trigger block, the service life of the first proximity switch and the second proximity switch is longer. And, the utility model discloses, the accessible is to the setting of the proportion of lower vertical arm and last vertical arm, make the whole length of lower vertical arm and switch trigger block be greater than the whole length of last vertical arm and fender wheel far away, when the conduction band deviates a little distance, switch trigger block can swing a big distance, so that original conduction band is less because of the deviation distance, and can not be detected when rectifying, now because this deviation distance is enlargied, through the detection to switch trigger block swing distance, just can be detected out and can be corrected, the deviation scope of conduction band can be controlled in less scope, the excursion scope of reducing greatly, make the operation of conduction band more stable.
Drawings
Fig. 1 is a schematic view of the front view structure of the edge detecting mechanism for guiding belt deviation correction of the present invention;
fig. 2 is a schematic view of a partial three-dimensional structure of the edge detecting mechanism for guiding belt deviation correction of the present invention;
fig. 3 is a schematic view of a partial side view structure of the edge detecting mechanism for guiding belt deviation correction of the present invention;
fig. 4 is a schematic view of a partial side view structure of the edge-detecting mechanism for guiding belt deviation correction of the present invention when the guiding belt deviates to a side far away from the T-shaped rotating bracket;
fig. 5 is a schematic view of the partial side view structure of the edge-detecting mechanism for guiding belt deviation correction when the guiding belt is deviated to one side close to the T-shaped rotating bracket.
Detailed Description
The following detailed description of the specific embodiments of the edge detecting mechanism for guiding belt deviation correction according to the present invention is made with reference to the accompanying drawings:
as shown in fig. 1 to 5, an edge detecting mechanism for guiding belt deviation correction is installed at one side of a guiding belt 10 of a printing machine, and comprises an installation support 1, a T-shaped rotating support 2, a catch wheel 3, a balancing weight 4, a switch trigger block 5, a first proximity switch 61 and a second proximity switch 62, wherein a T-shaped intersection point of the T-shaped rotating support 2 is rotatably installed on the installation support 1, a rotation axis of the T-shaped rotating support 2 is parallel to a conveying direction of the guiding belt 10, the T-shaped rotating support 2 lies on the side, three arms of the T-shaped rotating support 2 are an upper vertical arm 21, a horizontal side arm 22 and a lower vertical arm 23 respectively, the catch wheel 3 is rotatably and vertically sleeved on the upper vertical arm 21 of the T-shaped rotating support 2, the catch wheel 3 abuts against a side edge of the guiding belt 10, the balancing weight 4 is fixedly installed on the horizontal side arm 22 and is located at one side of the T-shaped rotating support 2 close to the guiding belt 10, the switch trigger block 5 is installed on the lower vertical arm 23 of the T-shaped rotating support 2, the first proximity switch 61 and the second proximity switch 62 are both installed on the installation support 1 outside the swing plane of the switch trigger block 5, when the switch trigger block 5 swings to the side far away from the guide belt 10, the switch trigger block 5 firstly blocks and triggers the first proximity switch 61 and then blocks and triggers the second proximity switch 62, the first proximity switch 61 and the second proximity switch 62 are both connected with a control system, the control system is connected with a driving mechanism of the rectification roller 20 which is transversely arranged on the guide belt 10 and used for rectifying the deviation of the guide belt 10, when the switch trigger block 5 simultaneously blocks and triggers the first proximity switch 61 and the second proximity switch 62, the control system controls the driving mechanism of the rectification roller 20 to drive the rectification roller 20, the rectification roller 20 drives the guide belt 10 to swing to the side close to the T-shaped rotating support 2, and when the switch trigger block 5 simultaneously does not block and does not trigger the first proximity switch 61 and the second proximity switch 62, the control system controls a driving mechanism of the rectification roller 20 to drive the rectification roller 20, and the rectification roller 20 drives the guide belt 10 to swing towards one side far away from the T-shaped rotating bracket 2.
The utility model relates to an edge detecting mechanism for conduction band deviation correction, the T-shaped intersection point of a T-shaped rotating bracket 2 can be rotatably arranged on a mounting bracket 1, and because of the counterweight 4, the laterally lying T-shaped rotating bracket 2 is unbalanced, the catch wheel 3 on the vertical arm 21 on the T-shaped rotating bracket is always subjected to the deflection force towards the conduction band 10, the deflection force causes the catch wheel 3 to always abut against the side edge of the guide belt 10, the catch wheel 3 rotates along with the running of the guide belt 10, meanwhile, the catch wheel 3, the T-shaped rotating bracket 2 for fixing the catch wheel 3 and the switch trigger block 5 on the T-shaped rotating bracket 2 swing synchronously with the conduction band 10 along with the left and right swinging of the conduction band 10, the swinging condition of the switch trigger block 5 on the T-shaped rotating bracket 2 indirectly reflects the swinging condition of the conduction band 10, thus, the running position of the belt 10 can be indirectly detected by detecting the swing position of the switch trigger block 5.
The utility model is used for limit mechanism is visited to conduction band deviation rectification, first proximity switch 61 and second proximity switch 62 are the zero limit switch of control conduction band 10 to both sides beat position, and it is the running position who indirectly surveys conduction band 10 through the swing position that detection switch triggered piece 5 to with this as the foundation, control rectifying roller 20, adjust the position of conduction band 10, make the conduction band steady, move between two parties. Specifically, the T-shaped rotating bracket 2 rotates due to the swinging of the guide belt 10, the switch trigger block 5 on the lower vertical arm 23 swings to one side far away from the guide belt 10, after the first proximity switch 61 and the second proximity switch 62 are both blocked, when the first proximity switch 61 and the second proximity switch 62 are both triggered, the blocking wheel 3 on the upper vertical arm 21 swings to one side close to the guide belt 10, and the guide belt 10 deviates to one side far away from the T-shaped rotating bracket 2, as shown in fig. 4, at this time, the deviation rectifying roller 20 for rectifying the guide belt 10 operates under the control of the control system, so that the guide belt 10 swings to one side close to the T-shaped rotating bracket 2, and further the deviation of the guide belt 10 to one side far away from the T-shaped rotating bracket 2 is rectified; when the switch trigger block 5 on the lower vertical arm 23 swings to the side close to the guide belt 10, the first proximity switch 61 and the second proximity switch 62 are not blocked, and the first proximity switch 61 and the second proximity switch 62 are not triggered, it is described that the catch wheel 3 on the upper vertical arm 21 swings to the side far from the guide belt 10, and the guide belt 10 deviates to the side close to the T-shaped rotating bracket 2, as shown in fig. 5, at this time, the deviation rectification roller 20 for rectifying the guide belt 10 operates under the control of the control system, so that the side far from the T-shaped rotating bracket 2 of the guide belt 10 swings, and further the deviation of the guide belt 10 to the side close to the T-shaped rotating bracket 2 is corrected. In this way, the deviation of the conduction band 10 is corrected, and the excursion of the conduction band 10 is controlled in a small range.
The utility model discloses a visit limit mechanism for conduction band is rectified, through to T shape runing rest 2, catch wheel 3, balancing weight 4 and switch trigger block 5's structure setting, make switch trigger block 5's swing and conduction band 10's swing synchronous, and then so that alright with the detection to conduction band 10 running position, turn into the detection to switch trigger block 5 position, because in the detection to switch trigger block 5 position, first proximity switch 61 and second proximity switch 62 are all installed on switch trigger block 5 swing plane one side outer installing support 1, switch trigger block 5 swings when sheltering from first proximity switch 61 and second proximity switch 62, can trigger first proximity switch 61 and second proximity switch 62, when switch trigger block 5 triggers first proximity switch 61 and second proximity switch 62, all there is not contact between first proximity switch 61 and second proximity switch 62, the utility model discloses there is not first proximity switch 61 and second proximity switch 62 because of the collision of switch trigger block 5 and decreases the loss, the utility model discloses do not have first proximity switch 61 and second proximity switch 62 because of switch trigger block 5 Bad problem, the first proximity switch 61 and the second proximity switch 62 have a longer life span. And, the utility model discloses, the accessible is to the setting of the proportion of lower vertical arm 23 and last vertical arm 21, make the whole length of switch trigger block 5 of lower vertical arm 23 and be greater than the whole length of last vertical arm 21 and fender wheel 3 far away, when conduction band 10 skew a little distance, switch trigger block 5 can swing a big distance, so that original conduction band 10 is less because of the skew distance, and can not be detected when rectifying, present because this skew distance is enlargied, through the detection to switch trigger block 5 swing distance, just can be detected out and can be corrected, conduction band 10's skew scope can be controlled in less within range, reduce conduction band 10's excursion scope greatly, make conduction band 10's operation more stable.
The utility model is used for limit mechanism is visited to conduction band deviation rectifying, preferably, switch trigger block 5 blocks and triggers first proximity switch 61, does not block and trigger second proximity switch 62 the time, rectifies rectifying roller 20 not action to conduction band 10. When the switch trigger block 5 blocks and triggers only the first proximity switch 61 and does not block and trigger the second proximity switch 62, the position of the belt 10 is relatively centered, and as shown in fig. 3, the deviation rectifying roller 20 for rectifying the deviation of the belt 10 does not operate, and the belt 10 runs smoothly. This setting can be more meticulous to rectifying of conduction band to when the conduction band 10 position was more in the centre, can not receive rectifying roller 20's drive and swing, can be relatively more steady operation, can not be like current conduction band rectifying device, the incessant reciprocal beat of conduction band always.
The utility model is used for limit mechanism is visited to conduction band deviation correction, preferably, still include third proximity switch 63, third proximity switch 63 on installing support 1, and be located the swing route of switch trigger block 5, switch trigger block 5 blocks third proximity switch 63 at the beginning of the swing in-process, triggers third proximity switch 63. Under the normal condition, when the T-shaped rotating bracket 2 normally swings due to deflection of the guide belt 10, the switch triggering block 5 blocks the third proximity switch 63 in the normal swinging process to trigger the third proximity switch 63, and if the third proximity switch 63 is not triggered, the operation of the guide belt 10 is abnormal, and an abnormal state occurs, so that the judgment basis of the operation state of the guide belt can be provided, when the operation of the guide belt 10 is abnormal, the T-shaped rotating bracket can be automatically stopped, and meanwhile, an alarm signal is sent to remind of maintenance.
The utility model is used for the limit mechanism is visited of conduction band deviation rectification, the mountable of installing support 1 is in the frame, also can install in the swing end of rectifying roller 20. When the mounting bracket 1 is mounted at the swinging end of the deviation rectifying roller 20, the mounting bracket 1 and the deviation rectifying roller 20 swing together, the mounting bracket 1 of the edge detecting mechanism is fixedly mounted at the swinging end of the deviation rectifying roller 20, so that the edge detecting mechanism and the deviation rectifying roller 20 swing together, and because the swinging direction of the edge detecting mechanism is opposite to the swinging direction of the guide belt 10 in the deviation rectifying process, the edge detecting mechanism swings reversely, so that the first proximity switch 61 and the second proximity switch 62 on the edge detecting mechanism are triggered or not triggered in advance, the driving mechanism for driving the deviation rectifying roller 20 stops or swings reversely, the deviation tendency of the guide belt is reduced, the deviation rectifying roller 20 stops or swings reversely when the guide belt 10 is centered relatively, but the guide belt 10 still swings continuously due to the motion inertia, so that the guide belt crosses the head, the deviation rectifying control of the guide belt 10 plays a certain compensation role, so that the guide belt 10 is more accurate, and the deviation rectifying range of the guide belt 10 is smaller, the operation is more stable.
The utility model discloses a visit limit mechanism for conduction band is rectified, when making switch trigger block 5 to keeping away from the swing of conduction band 10 one side, switch trigger block 5 can block earlier and trigger first proximity switch 61, after block and trigger second proximity switch 62, and the accessible sets up first proximity switch 61 and second proximity switch 62's position, makes it satisfy above-mentioned requirement, also accessible triggers 5 shapes of piece and sets up to the switch, makes it satisfy above-mentioned requirement.
The utility model discloses a visit limit mechanism for conduction band is rectified, the roller of rectifying 20 span on conduction band 10, and its one end is articulated to be installed in the frame usually, and other end slidable mounting in a guide rail, can be driven in the guide rail swing by actuating mechanism if motor or cylinder, and the roller of rectifying 20 swings, can drive the swing of conduction band 10, rectifies. Because the mounting structure of the roller 20 of rectifying and the principle of rectifying to the conduction band 10 that realizes thereof belong to prior art, to this, the utility model discloses do not do too much explanation again.
The utility model discloses deviation correcting device of rotary screen printing guide belt according to the state signal of first proximity switch 61 and second proximity switch 62, and control deviation rectification roller 20 actuating mechanism's control system belongs to conventional technique, and to this, the utility model discloses do not do too much explanation anymore.
The utility model discloses right the utility model belongs to the technical field of the ordinary skilled person, do not deviating from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (3)

1. The utility model provides a visit limit mechanism for conduction band is rectified installs in one side of calico printing machine conduction band which characterized in that: the T-shaped rotating bracket is rotatably arranged on the mounting bracket at a T-shaped intersection point, the rotating axis of the T-shaped rotating bracket is parallel to the conveying direction of the conduction band, the T-shaped rotating bracket lies on the side, three arms of the T-shaped rotating bracket are respectively an upper vertical arm, a horizontal side arm and a lower vertical arm, the catch wheel is rotatably sleeved on the upper vertical arm of the T-shaped rotating bracket in a vertical manner and is abutted against the side edge of the conduction band, the balancing weight is fixedly arranged on the horizontal side arm and is positioned on one side of the T-shaped rotating bracket close to the conduction band, the switch trigger block is arranged on the lower vertical arm of the T-shaped rotating bracket, the first proximity switch and the second proximity switch are both arranged on the mounting bracket outside one side of the swing plane of the switch trigger block, and when the switch trigger block swings to the side far away from the conduction band, the switch trigger block blocks and triggers the first proximity switch firstly and blocks and triggers the second proximity switch secondly, the first proximity switch and the second proximity switch are both connected with a control system, the control system is connected with a driving mechanism of a deviation rectifying roller which is transversely arranged on the guide belt and used for rectifying the deviation of the guide belt, when the switch trigger block blocks and triggers the first proximity switch and the second proximity switch simultaneously, the control system controls the driving mechanism of the deviation rectifying roller to drive the deviation rectifying roller, the deviation rectifying roller drives the guide belt to swing towards one side close to the T-shaped rotating support, when the switch trigger block does not block and does not trigger the first proximity switch and the second proximity switch simultaneously, the control system controls the driving mechanism of the deviation rectifying roller to drive the deviation rectifying roller, and the deviation rectifying roller drives the guide belt to swing towards one side far away from the T-shaped rotating support.
2. The edge-detecting mechanism for guiding belt deviation rectification as claimed in claim 1, wherein: and when the switch trigger block triggers the first proximity switch and does not trigger the second proximity switch, the deviation rectifying roller for rectifying the deviation of the guide belt does not act.
3. The edge-detecting mechanism for guiding belt deviation rectification as claimed in claim 1, wherein: the third proximity switch is arranged on the mounting bracket and on a swinging path of the switch trigger block, and the switch trigger block blocks the third proximity switch to trigger the third proximity switch in a swinging process.
CN202023257925.4U 2020-12-30 2020-12-30 A visit limit mechanism for conduction band is rectified Active CN214239958U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023257925.4U CN214239958U (en) 2020-12-30 2020-12-30 A visit limit mechanism for conduction band is rectified

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023257925.4U CN214239958U (en) 2020-12-30 2020-12-30 A visit limit mechanism for conduction band is rectified

Publications (1)

Publication Number Publication Date
CN214239958U true CN214239958U (en) 2021-09-21

Family

ID=77745104

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023257925.4U Active CN214239958U (en) 2020-12-30 2020-12-30 A visit limit mechanism for conduction band is rectified

Country Status (1)

Country Link
CN (1) CN214239958U (en)

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