CN210480294U - Paper extraction mechanism with high-precision single-sheet adsorption function - Google Patents
Paper extraction mechanism with high-precision single-sheet adsorption function Download PDFInfo
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- CN210480294U CN210480294U CN201921573554.5U CN201921573554U CN210480294U CN 210480294 U CN210480294 U CN 210480294U CN 201921573554 U CN201921573554 U CN 201921573554U CN 210480294 U CN210480294 U CN 210480294U
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Abstract
The utility model discloses a paper draws mechanism with high accuracy sola adsorption efficiency, including tray, motor, controller, evacuation machine, vacuum solenoid valve, vacuum shunt, vacuum chuck, paper mobile device, vacuum pressure sensor, air compressor machine, compressed air shunt, gas blow head, proximity switch and micro-gap switch, each parts combination is an automatic system. The utility model discloses can ensure that vacuum chuck once absorbs a paper, avoid once absorbing the problem of two or many papers, improve the paper and draw control accuracy and work efficiency, through micro-gap switch real-time detection paper pile altitude variation, it ensures that the position of paper pile topmost keeps unchangeable to drive the tray through the motor and remove, has further improved the automation level that the paper drawed and carried the field, the utility model discloses be particularly useful for the thin paper of 40 g/square meter-100 g/square meter and draw the operation.
Description
Technical Field
The utility model relates to a paper draws mechanism especially relates to a paper draws mechanism with high accuracy sola adsorbs function.
Background
The paper conveying mechanism is used for extracting paper from a paper stack in industrial production and then conveying the paper to a standby position, for example, in the production process of a packing box, facial tissue needs to be conveyed to a box body position for sticking.
The paper extraction mechanism is an important component of the paper conveying mechanism, and how to quickly, nondestructively and singly extract paper and realize automatic control is an important problem to be solved in paper conveying, so the performance of the paper extraction mechanism is very critical.
Traditional paper draws mechanism adopts vacuum adsorption's mode more, and this kind of mode can realize extracting the paper fast, harmless and can realize automated control, but, traditional paper draws mechanism produces easily when absorbing low ration's thin paper and absorbs two or many phenomenon, needs artificial intervention, and its work efficiency receives the restriction to the improvement of the automation level in this field has been restricted.
For example, utility model patent application No. 201610743400.0 discloses a printing paper layering extraction element, includes: unable adjustment base, first horizontal thrust unit and baffle, first horizontal thrust unit sets up on unable adjustment base, the baffle sets up the output at first horizontal thrust unit, unable adjustment base is last to be provided with the support frame that is located first horizontal thrust unit top, be provided with second horizontal thrust unit on the support frame, second horizontal thrust unit's output is provided with L shape bent plate, L shape bent plate top is provided with the vertical thrust unit of directional below, vertical thrust unit bottom is provided with the U-shaped bent plate, U-shaped bent plate bottom is provided with the sucking disc that points to unable adjustment base down. The printing paper layering extraction device completes the adsorption, separation and sending out of the paper by utilizing the action of the sucking disc, has high working efficiency, does not lose the surface of the paper, and has good protectiveness.
However, when the layered extraction device for printing paper extracts a low-basis-weight thin paper, due to the natural suction between two or more adjacent thin papers and the suction effect of the suction cup, the phenomenon of sucking two or more thin papers is easily caused, manual intervention is needed, and the working efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a paper draws mechanism with high accuracy sola adsorption capability just for solving above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a paper extraction mechanism with a high-precision single-sheet adsorption function comprises a tray, a motor, a controller, a vacuumizing machine, a vacuum electromagnetic valve, a vacuum diverter, a vacuum sucker and a paper moving device, wherein the tray is used for placing paper stacks, a rotating shaft of the motor is connected with the tray through a transmission mechanism to drive the tray to ascend and descend, an air inlet of the vacuumizing machine is connected with an air outlet of the vacuum diverter, an air inlet of the vacuum diverter is connected with an air outlet of the vacuum sucker through vacuum tubes, the vacuum electromagnetic valve is installed on a vacuum tube between the vacuumizing machine and the vacuum diverter, the vacuum sucker is installed on a moving part of the paper moving device, is placed at one end above the tray and is used for sucking paper, and a control input end of the motor, a control input end of the vacuum electromagnetic valve and a control input end of the paper moving device are respectively connected with the control input end of the paper moving device The control output end of the device is connected; the paper extraction mechanism further comprises a vacuum pressure sensor, an air compressor, a compressed air flow divider, an air blowing head, a proximity switch and a microswitch, wherein the vacuum pressure sensor is installed on the vacuum flow divider or on a vacuum tube between the vacuum flow divider and the vacuum chuck and used for detecting the vacuum degree of a passage where the vacuum chuck is located, an air outlet of the air compressor is connected with an air inlet of the compressed air flow divider, one or more air outlets of the compressed air flow divider are connected with one or more air inlets of the air blowing head, the air blowing head is installed at a position, close to the vacuum chuck, on the upper edge of the tray and used for blowing air to upper paper of the paper stack, the proximity switch is installed at a position, close to the vacuum chuck, above the tray and used for monitoring the distance between the vacuum chuck and the uppermost surface of the paper stack, the microswitch is arranged above the tray, is positioned at the other end opposite to the vacuum chuck and is used for detecting the height change of the paper pile, and the signal output end of the proximity switch and the signal output end of the microswitch are respectively connected with the signal input end of the controller.
In the structure, the tray, the motor, the controller, the vacuumizing machine, the vacuum solenoid valve, the vacuum flow divider, the vacuum sucker and the paper moving device are all conventional parts of a traditional paper extracting mechanism, wherein the vacuum flow divider is a part similar to a multi-way valve and is provided with an air outlet and a plurality of air inlets and is used for dividing a plurality of paths of vacuum pipelines; the paper moving device is a device of which the moving part can perform multi-directional linear motion under the control of a controller, and generally adopts a pneumatic driving structure; the transmission structure between the motor and the tray can be a conventional structure, for example, a transmission structure with a screw rod matched with a nut is adopted. The utility model discloses a new increase part, or the utility model discloses a new combined structure that adopts, vacuum pressure sensor, air compressor machine, compressed air shunt, gas blow head, proximity switch and micro-gap switch, wherein, vacuum pressure sensor is a pressure sensor who commonly uses in the industrial practice, also called vacuum sensor, its wide application is in various industry automatic control environment, relate to numerous trades such as petroleum pipeline, water conservancy and hydropower, railway traffic, intelligent building, production automatic control, aerospace, war industry, petrochemical industry, oil well, electric power, boats and ships, lathe, air pipe; the proximity switch is a position switch which can be operated without mechanical direct contact with a moving part, and when the sensing surface of the object proximity switch reaches the action distance, the switch can be actuated without mechanical contact and any pressure, so that a direct current appliance is driven or a control instruction is provided for a controller; the microswitch is a switch which has a tiny contact interval and a quick-action mechanism, uses a specified stroke and a specified force to carry out switching action, is covered by a shell and is provided with a driving rod outside, and is named as a sensitive switch because the contact pitch of the switch is relatively small; the air compressor is an air compressor; the compressed air flow divider is a component similar to a multi-way valve and is provided with an air inlet and a plurality of air outlets and used for dividing a plurality of compressed air pipelines; the blowing head is a device for blowing out the compressed gas in a certain form, for example, the compressed gas is blown out in a cylindrical or straight mode, and the blowing head is specifically determined according to the requirement; the utility model discloses with vacuum pressure sensor, air compressor machine, compressed air shunt, blow head, proximity switch and micro-gap switch integration together, just can realize vacuum chuck and paper pile interval monitoring, blow and make the paper separation of the top, whether inhale the judgement of paper, paper pile altitude variation detect, the paper pile removes the automatic control of these functions that targets in place.
Preferably, in order to realize automatic control of the opening and the stopping of the blowing, a compressed air solenoid valve is mounted on an air pipe between the air compressor and the compressed air diverter or an air pipe between the compressed air diverter and the blowing head or the blowing head, and a control input end of the compressed air solenoid valve is correspondingly connected with a control output end of the controller.
Further, in order to improve the effect of separating the paper sheets by blowing air, the two blowing heads are respectively aligned to two side surfaces of the paper stack from two mutually perpendicular directions.
The beneficial effects of the utility model reside in that:
the utility model discloses a proximity switch monitors the interval of vacuum chuck and paper pile, do not directly press through controller control vacuum chuck and absorb the paper on the paper pile, but absorb by vacuum chuck after blowing the paper through the blowing head, even blow many papers, can not paste tightly between the paper of blowing, so can ensure that vacuum chuck absorbs a paper once, avoided absorbing the problem of two or many papers once, improved paper and drawn control accuracy and work efficiency, and detect the change of paper pile height in real time through micro-gap switch, it ensures that the position of paper pile topmost keeps unchanged to drive the tray through the motor and remove, further improved the automation level of paper extraction and transport field; the utility model is particularly suitable for the tissue extraction operation of 40 grams per square meter to 100 grams per square meter.
Drawings
FIG. 1 is the structure schematic diagram is looked at to paper with high accuracy sola adsorption efficiency's mechanism is drawn to paper.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, the paper extraction mechanism with high precision single-sheet adsorption function of the present invention comprises a tray 13, a motor 14, a controller (not shown, but easy to understand), a vacuum extractor (not shown, but easy to understand), a vacuum solenoid valve 4, a vacuum splitter 3, a vacuum chuck 8, a paper moving device 5, a vacuum pressure sensor 2, an air compressor (not shown, but easy to understand), a compressed air splitter 1, a blowing head 16, a proximity switch 12, and a micro switch 9, wherein the tray 13 is used for placing a paper stack 10, a rotating shaft of the motor 14 is connected to the tray 13 through a transmission mechanism 17 to drive the tray 13 to ascend and descend, an air inlet of the vacuum extractor and an air outlet of the vacuum splitter 3, an air inlet of the vacuum splitter 3 and an air outlet of the vacuum chuck 8 are respectively connected through a vacuum tube 6, the vacuum solenoid valve 4 is installed on a vacuum tube between the vacuum extractor and the vacuum splitter 3, the vacuum chuck 8 is installed on the moving part of the paper moving device 5 and is placed at one end above the tray 13 and is used for sucking the paper; the vacuum pressure sensor 2 is mounted on the vacuum splitter 3 (or on the vacuum tube 6 between the vacuum splitter 3 and the vacuum chuck 8) and is used for detecting the vacuum degree of the passage where the vacuum chuck 8 is located (calculating the vacuum degree according to the pressure, which is a conventional prior art), the air outlet of the air compressor is connected with the air inlet of the compressed air splitter 1, two (one or more, but preferably 2) air outlets of the compressed air splitter 1 are connected with two (one or more, but preferably 2) air inlets of the blowing head 16, the compressed air solenoid valve (not shown, but easily understood) is mounted on the air tube between the air compressor and the compressed air splitter 1 or on the air tube 11 between the compressed air splitter 1 and the blowing head 16 or on the blowing head 16, the control input end of the motor 14, the control input end of the vacuum solenoid valve 4, the control input end of the vacuum solenoid valve, The control input end of the paper moving device 5 and the control input end of the compressed air electromagnetic valve are respectively and correspondingly connected with the control output end of the controller; two blowing heads 16 are arranged at the position, close to the vacuum chuck 8, of the upper edge of the tray 13 and used for blowing the upper-layer paper of the paper stack 10, the two blowing heads 16 are respectively aligned to two side faces of the paper stack 10 from two mutually vertical directions, the proximity switch 12 is arranged at the position, close to the vacuum chuck 8, of the upper side of the tray 13 and used for monitoring the distance between the vacuum chuck 8 and the uppermost face of the paper stack 10, the microswitch 9 is arranged at the position, opposite to the vacuum chuck 8, of the upper side of the tray 13 and used for detecting the height change of the paper stack 10, and the signal output end of the proximity switch 12 and the signal output end of the microswitch 9 are respectively connected with the signal input end of the controller.
Also shown in fig. 1 are a primary bracket 7, which serves as the primary mounting base, and a secondary bracket 15, which serves as the mounting base for the microswitch 9, both of which are compliant structures.
The following is a detailed description of the operation principle of the preferred control method of the present invention, but the following method is not the only control method and is not the object of the present invention.
As shown in fig. 1, the preferred control method for the paper extraction mechanism with high precision single sheet adsorption function of the present invention comprises the following steps:
step 1, a controller controls a vacuum electromagnetic valve 4 to be opened to enable a vacuum sucker 8 to generate vacuum suction;
step 2, the controller controls the moving part of the paper moving device 5 to move so that the vacuum chuck 8 reaches the position 1-4mm (the specific numerical value can be adjusted according to the actual requirement of the thickness of the paper) above the paper stack 10 and stops, the distance is monitored by the proximity switch 12, and the step 1 can be carried out in an inverted sequence or simultaneously;
step 3, the controller controls a compressed air electromagnetic valve to be opened, compressed air blows air to one end of the topmost paper of the paper stack 10 through an air blowing head 16, and a single paper is sucked under the suction action of a vacuum chuck 8;
and 4, after the vacuum chuck 8 sucks the paper, the passage where the vacuum chuck is located is changed from an open circuit state to a closed circuit state, the vacuum degree of the passage is obviously changed, the vacuum pressure sensor 2 detects the change of the vacuum degree and transmits a change signal to the controller, the controller controls the moving part of the paper moving device 5 to move so that the vacuum chuck 8 drives a single paper to move to the next station, the controller controls the vacuum electromagnetic valve 4 to close so that the vacuum chuck 8 loses vacuum suction force, the single paper enters the next station and is taken away by other equipment, and the controller controls the moving part of the paper moving device 5 to move so that the vacuum chuck 8 is driven to move to the position above the paper pile 10 to complete resetting, so that the one-time single paper extraction process.
After the process is repeated for many times, a plurality of paper sheets are extracted, the height of the paper stack 10 is reduced, the micro switch 9 is used for outputting a signal to the controller after the height of the paper stack 10 is reduced due to the fact that the sensing end of the micro switch 9 is separated from being in contact with the paper stack 10 or the contact pressure is reduced to the threshold value, the controller controls the motor 14 to be started to drive the tray 13 to move upwards until the sensing end of the paper stack 10 is in contact with the sensing end of the micro switch 9 or the contact pressure is increased to the threshold value, the micro switch 9 outputs a signal to the controller, the controller controls the motor 14 to stop, and the uppermost surface of the paper stack 10 is always in.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.
Claims (3)
1. A paper extraction mechanism with a high-precision single-sheet adsorption function comprises a tray, a motor, a controller, a vacuumizing machine, a vacuum electromagnetic valve, a vacuum diverter, a vacuum sucker and a paper moving device, wherein the tray is used for placing paper stacks, a rotating shaft of the motor is connected with the tray through a transmission mechanism to drive the tray to ascend and descend, an air inlet of the vacuumizing machine is connected with an air outlet of the vacuum diverter, an air inlet of the vacuum diverter is connected with an air outlet of the vacuum sucker through vacuum tubes, the vacuum electromagnetic valve is installed on a vacuum tube between the vacuumizing machine and the vacuum diverter, the vacuum sucker is installed on a moving part of the paper moving device, is placed at one end above the tray and is used for sucking paper, and a control input end of the motor, a control input end of the vacuum electromagnetic valve and a control input end of the paper moving device are respectively connected with the paper moving device The control output end of the controller is connected; the method is characterized in that: the paper extraction mechanism further comprises a vacuum pressure sensor, an air compressor, a compressed air flow divider, an air blowing head, a proximity switch and a microswitch, wherein the vacuum pressure sensor is installed on the vacuum flow divider or on a vacuum tube between the vacuum flow divider and the vacuum chuck and used for detecting the vacuum degree of a passage where the vacuum chuck is located, an air outlet of the air compressor is connected with an air inlet of the compressed air flow divider, one or more air outlets of the compressed air flow divider are connected with one or more air inlets of the air blowing head, the air blowing head is installed at a position, close to the vacuum chuck, on the upper edge of the tray and used for blowing air to upper paper of the paper stack, the proximity switch is installed at a position, close to the vacuum chuck, above the tray and used for monitoring the distance between the vacuum chuck and the uppermost surface of the paper stack, the microswitch is arranged above the tray, is positioned at the other end opposite to the vacuum chuck and is used for detecting the height change of the paper pile, and the signal output end of the proximity switch and the signal output end of the microswitch are respectively connected with the signal input end of the controller.
2. The paper extraction mechanism with high precision single-sheet adsorption function according to claim 1, characterized in that: and a compressed air electromagnetic valve is arranged on an air pipe between the air compressor and the compressed air diverter or an air pipe between the compressed air diverter and the blowing head or the blowing head, and the control input end of the compressed air electromagnetic valve is correspondingly connected with the control output end of the controller.
3. The paper extraction mechanism with high precision single-sheet adsorption function according to claim 1 or 2, characterized in that: the two blowing heads are respectively aligned to two side surfaces of the paper stack from two mutually vertical directions.
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| CN201921573554.5U CN210480294U (en) | 2019-09-20 | 2019-09-20 | Paper extraction mechanism with high-precision single-sheet adsorption function |
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| CN201921573554.5U CN210480294U (en) | 2019-09-20 | 2019-09-20 | Paper extraction mechanism with high-precision single-sheet adsorption function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110589535A (en) * | 2019-09-20 | 2019-12-20 | 永发印务(四川)有限公司 | Paper extraction mechanism with high-precision single-sheet adsorption function and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110589535A (en) * | 2019-09-20 | 2019-12-20 | 永发印务(四川)有限公司 | Paper extraction mechanism with high-precision single-sheet adsorption function and control method thereof |
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