CN101116853B - Small bead automatic coating device - Google Patents
Small bead automatic coating device Download PDFInfo
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- CN101116853B CN101116853B CN2007101137302A CN200710113730A CN101116853B CN 101116853 B CN101116853 B CN 101116853B CN 2007101137302 A CN2007101137302 A CN 2007101137302A CN 200710113730 A CN200710113730 A CN 200710113730A CN 101116853 B CN101116853 B CN 101116853B
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- masking liquid
- control valve
- travel switch
- disc carrier
- speed control
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Abstract
The invention belongs to a device forming liquid coating on the surface of a workpiece to make the workpiece contact with liquid, and in particular relates to a device forming dip coatings on decorating globules. The invention provides a completely automatic device forming dip coatings on globles, overcoming the drawbacks that the height of the prior device forming coatings on globules is manually adjusted, the adjusting precision is lower, thereby causing low rate of finished globules, and the worse quality stability; The device comprises a machine frame, a bracket of a arranging plate arranged on the top part of the machine frame, and a liquid painting plate, wherein the lower part of the liquid painting plate is provided with a support of the liquid painting plate, the central part of the bottom surface of the support of the liquid painting plate is connected with a piston rod in a cylinder, the other end of the cylinder is fixed on the machine frame, two sides of the lower side of the machine frame are provided with an air inlet cylinder and an air discharging cylinder, the top part of the machine is provided with a position sensor which is used to measure the liquid position in the liquid painting plate. The device can automatically adjust the rising and lowering height of the liquid, and the rising and lowering height can be controlled accurately, thereby after the globule being coated, the rate of finished products is high, and the quality stability is good.
Description
Technical field
The invention belongs to workpiece is contacted the device that makes the surface of the work applying liquid with liquid, relate in particular to a kind of on decorating with globule the equipment of dip-coating coating.
Background technology
China Patent No. is ZL200410024245.4, the applying date is on June 3rd, 2004, name is called and has proposed in " small bead automatic coating device " a kind ofly can automatically globule be immersed masking liquid, and the small bead automatic coating device that the arrangement board level height is adjustable, the push rod formation lowering or hoisting gear that it utilizes cam mechanism and is complementary with this cam, make the lowering or hoisting gear action by drive unit, thereby make the masking liquid dish realize moving up and down, finish coating globule.But utilize this equipment that there is certain defective in the globule coating: at first, carrying out along with coating, the height of liquid can reduce gradually in the masking liquid dish, in order to guarantee normally carrying out of globule coating, need constantly manually the push rod length adjustment device to be regulated, in the process of manual adjustments, inevitably error can occur, cause the degree of depth of globule immersion masking liquid excessive or too small.When the degree of depth of globule immersion masking liquid is too small, also need continue the push rod length adjustment device is regulated; When the degree of depth of globule immersion masking liquid is excessive, can cause masking liquid and globule to adhere on the arrangement board, because globule adopts the mode of secondary coating when coating, be globule for the first time coating finish and drying after make its rotation, carry out the coating second time then, when globule be bonded on glass after, can't make and be bonded at globule rotation on glass, it directly can only be taken off from arrangement board, can produce scar on the globule surface again after taking off, such globule just becomes defective work, therefore utilizes this equipment that globule is carried out coating, yield rate is not high, about about 70%.In addition, as mentioned above, because globule adopts the secondary coating mode, therefore can duplicate coating zone in the centre position of globule, because the height of masking liquid is to adopt manual adjustments, the value range in repetitive coatings zone is difficult to control, can produce bigger repetitive coatings zone on the globule surface, the globule face coat is inhomogeneous, and the surface after the coating easily produces scar, so its quality stability is relatively poor.In sum, when using this equipment that globule is carried out coating, its yield rate is not high, and quality stability is relatively poor, does not realize " automatically " completely.
Summary of the invention
The objective of the invention is to overcome the defective that exists in the said equipment, propose a kind ofly can realize fully automatically globule coating apparatus, this equipment can be regulated the adjustable height of masking liquid in use automatically, and adjustable height precise control, need not to use manual adjustments, after using this equipment that globule is carried out coating, the yield rate height, and quality stability is good.
The present invention adopts following technical scheme to realize: a kind of small bead automatic coating device, comprise frame, arrangement board carriage and masking liquid dish that frame top is provided with, it is characterized in that: the bottom of masking liquid dish is provided with the masking liquid disc carrier, the center of masking liquid disc carrier bottom surface is connected with the piston rod in the cylinder, the other end of cylinder is fixed on the frame, downside both sides in frame are provided with inlet casing and exhaust casing respectively, be provided for measuring the position sensor of masking liquid height in the masking liquid dish at the top of frame, the below of frame is provided for controlling the speed control valve of masking liquid disc carrier movement velocity, the folding of speed control valve is controlled by travel switch, this speed control valve comprises rate of climb control valve and lowering speed control valve, one end of speed control valve is connected with cylinder, wherein, the other end of described rate of climb control valve and lowering speed control valve is connected with exhaust casing with inlet casing respectively.Both sides along its width below the masking liquid disc carrier are provided with assistant cylinder respectively.
Among the present invention, the lead in that a side of masking liquid disc carrier is provided with travel switch and moves up and down with the masking liquid disc carrier is provided with projection on the lead, and travel switch is connected with telescopic contact, and lead is corresponding with telescopic contact.Position sensor is arranged on the top of frame and along the edge of its length direction one side.
Described travel switch is respectively adjusting masking liquid disc carrier rate of climb travel switch, adjusting masking liquid disc carrier decrease speed travel switch, masking liquid disc carrier vertical motion travel switch and masking liquid disc carrier and stops the actuating length switch, and adjusting masking liquid disc carrier rate of climb travel switch wherein, adjusting masking liquid disc carrier decrease speed travel switch, masking liquid disc carrier vertical motion travel switch are connected with position sensor respectively.
Described rate of climb control valve comprises rate of climb control valve and fast rise speed control valve at a slow speed, and lowering speed control valve comprises lowering speed control valve and lowering speed control valve at a slow speed fast.
The invention has the beneficial effects as follows: equipment is at first measured the position of masking liquid liquid level by position sensor when work, when the distance between position sensor and the masking liquid liquid level reaches certain numerical value, the signal of telecommunication can be sent to travel switch, thereby make travel switch control rate control valve, finish the rising or the down maneuver of piston, whole process does not need manual adjustments, has both saved manpower, has improved distance simultaneously greatly and has adjusted precision; This equipment has realized that globule slowly immerses masking liquid in addition, when breaking away from masking liquid, and the impulse stroke that the masking liquid dish descends fast, this course of work has not only guaranteed the coating quality of globule, has improved efficiency of equipment simultaneously; The masking liquid lifting height is accurate, can not produce masking liquid and be bonded at situation on the arrangement board, so its yield rate has obtained improving greatly, can reach 99%; In addition, when carrying out secondary coating, because therefore the precise control of masking liquid liquid level climb duplicates regions coated and reduce greatly on globule, the height that heavily covers coating is about 0.5～1mm, has improved the quality stability of globule coating greatly; Reduced the use amount of masking liquid.This equipment adopts compressed air as power source, has saved production cost, can not pollute environment simultaneously.
Description of drawings
Fig. 1 is a front view of the present invention;
Fig. 2 is a left view of the present invention;
Fig. 3 is the vertical view when among the present invention the masking liquid dish not being set;
Fig. 4 is the partial enlarged drawing of arrangement board bracket portion among Fig. 2;
Fig. 5 is the partial enlarged drawing of travel switch, contact and lead among Fig. 3.
The specific embodiment
As shown in Figure 1, the present invention includes the frame 10 that is used to install, place and fix other parts, frame 10 tops are provided with arrangement board levelness adjusting device 20, as Fig. 2 and shown in Figure 4, it comprises four bearer carriers 21 and four corresponding arrangement board carriages 24 in the outside, two long limits that is fixed on the frame 10, and bearer carrier 21 tops are by an end of bearing pin 22 hinged arrangement board carriages 24; Arrangement board carriage 24 mid portions are threaded through hole, and bolt 23 bottom surfaces that are complementary with it are pressed on the upper surface of frame 10; Arrangement board carriage 24 is to be converted into stepped, minimum part to form trailing arm 24 ' by sheet material, and trailing arm 24 ' is positioned at the inboard of frame 10; Screw bolt 23, then arrangement board carriage 24 rotates around bearing pin 22, and the height and the levelness of trailing arm 24 ' change thereupon; When globule arrangement board 80 rode on four trailing arms 24 ', this function was used to finely tune the levelness of arrangement board 80.Simultaneously at the top of frame 10 and along the edge of frame length direction one side position sensing 30 is set, it is fixed on the top of frame 10 by firm banking, and its effect is a height of measuring masking liquid in the course of the work.In this position position sensor is set, neither can influences the coating procedure of globule, arrangement board is caused damage to position sensor, therefore guaranteed carrying out smoothly of small bead automatic coating.
The below of masking liquid dish 41 is provided with masking liquid disc carrier 40, it is arranged on the inboard of frame 10, the below center position of masking liquid disc carrier 40 is provided with cylinder 50, the base of cylinder 50 is fixed on the frame 10, be symmetrical arranged assistant cylinder 52 at masking liquid disc carrier 40 respectively along the bottom of the both sides of its width, its effect all is to drive masking liquid dish 41 to rise and descend.Baffle plate 42 is set on frame 10, and it is provided with assistant cylinder guider 53 by being bolted on the frame 10 between masking liquid disc carrier 40 and baffle plate 42, and it is fixed on the masking liquid disc carrier 40.
On baffle plate 42, travel switch support 73 is set by bolting, four travel switches 70 evenly are set on stroke switch bracket 73, as shown in Figure 2, be respectively and regulate masking liquid dish rate of climb travel switch 701, regulate masking liquid dish decrease speed travel switch 702, masking liquid dish vertical motion travel switch 703 and masking liquid dish down maneuver travel switch 704, wherein regulate masking liquid dish rate of climb travel switch 701, regulate masking liquid dish decrease speed travel switch 702 and be connected with position sensor 30 with masking liquid dish down maneuver travel switch 704, i.e. the signal of telecommunication of position sensor 30 generations directly is passed to above-mentioned three travel switches.Four travel switches are connected with extension type contact 74 respectively, and extension type contact 74 is arranged on the inboard of frame 10.Below masking liquid disc carrier 40 and with travel switch support 73 homonymy places, lead support 75 is set, four leads 71 evenly are set on lead support 75, and four leads 71 are corresponding with four extension type contacts 74 respectively.But on the lead corresponding, projection 72 is set with the contact contact of masking liquid dish vertical motion travel switch 703 connections, distance between extension type contact 74 and the projection 72 is less than the size of projection 72, therefore when projection 72 during with 74 contacts of corresponding contact, this contact is the generation contraction under protruding 72 extruding.
Be provided with the outwardly directed support of an end on frame 10, be provided with inlet casing 54 and exhaust casing 55 on support, inlet casing 54 is connected with rate of climb control valve, and exhaust casing 55 is connected with lowering speed control valve.Wherein rate of climb control valve comprises fast rise speed control valve 56 and rate of climb control valve 57 at a slow speed, lowering speed control valve comprises lowering speed control valve 58 and lowering speed control valve 59 at a slow speed fast, and the open and close of speed control valve is controlled by travel switch 71.Above-mentioned four speed control valves all are connected with cylinder 50, directly the rising or the decrease speed of piston 51 in the control cylinder 50.In use, by the control of travel switch, have only a speed control valve in running order at one time, this moment, the rising or the decrease speed of piston were just decided by this speed control valve.Before use, by changeover valve, can to each speed control valve specific velocity amplitude be set as required.
Because this equipment is to adopt the power of compressed air as the driven plunger action, therefore in order to guarantee normally carrying out of impulse stroke, before compressed air enters cylinder, at first pass through the filtration of air cleaner 60, reduced of the corrosion of airborne water vapour by filtration, prolonged the service life of part part.Air cleaner 60 is arranged on the end of air inlet pipe, and its other end is connected with speed control valve.
Below in conjunction with Fig. 1, Fig. 2 and Fig. 3 the course of work of this equipment is done concise and to the point introduction: during real work, at first should make enough masking liquids are arranged in the masking liquid dish 41, the arrangement board 80 of globule 90 of will being stained with or going here and there then is placed on the trailing arm 24 ' of arrangement board carriage 24, as find that the arrangement board levelness is undesirable, then adjust its levelness by adjusting bolt 23; Open source of the gas and power supply afterwards, this moment is by the measurement of position sensor 30, detecting masking liquid does not also contact with globule 90, it sends the signal of telecommunication to travel switch, travel switch opens fast rise speed control valve 56 by its internal circuit, compressed air enters in the cylinder 50 by this valve, and piston 51 promotes masking liquid dishes 41 fast rise at this moment; When masking liquid dish 41 rises to wherein masking liquid and globule 90 and will contact at once, position sensor 30 measures distance value between itself and the masking liquid liquid level when reaching the numerical value of an appointment, it sends an electrical signal to masking liquid dish rate of climb travel switch 701, control by the trip switch, fast rise speed control valve 56 closures, rate of climb control valve 57 is opened at a slow speed, this moment, piston 51 became rising at a slow speed immediately by fast rise, therefore the masking liquid liquid level also slowly rises, its objective is make globule 90 fully with immerse in the masking liquid, make masking liquid be coated in the surface of globule 90 equably, guarantee the quality of coating; When globule 90 has 2/3 height to immerse in the masking liquid approximately, position sensor 30 measures distance between itself and the masking liquid liquid level when reaching another special value, it sends an electrical signal to travel switch, this moment masking liquid dish down maneuver travel switch 704 closures, by the control of the trip switch, rate of climb control valve 57 closures at a slow speed, lowering speed control valve 58 is opened at a slow speed, compressed air enters in the exhaust casing 55 by this speed control valve, and piston 51 drives masking liquid dish 41 and slowly descends; After globule 90 breaks away from masking liquid fully, when position sensor 30 detects distance between itself and the masking liquid liquid level and reaches specific numerical value, send the signal of telecommunication to travel switch, regulate masking liquid dish decrease speed travel switch 702 closures this moment, under its control, lowering speed control valve 58 closures at a slow speed, lowering speed control valve 59 is opened fast, and piston 51 drives masking liquid dishes 41 and descends fast; As previously mentioned, on the corresponding lead in the extension type contact that connects with masking liquid dish vertical motion travel switch 703 74, projection 72 is set, when this projection contacts with contact 74, contact 74 can produce under the extruding of projection 72 shrinks, this contractive action makes masking liquid dish vertical motion travel switch 703 closures, under the control of the trip switch, quick lowering speed control valve 59 closures, fast rise speed control valve 56 is opened, so far, the impulse stroke of a new round has begun again, coated globule arrangement board 80 can be taken off in the process that masking liquid dish 41 descends, change new globule arrangement board 80, thereby proceed coating work.
We can see by entire work process, in globule and masking liquid contact process for guarantee coating evenly, the masking liquid dish is slowly risen, after globule leaves masking liquid, the rising or the decrease speed of masking liquid dish are accelerated, shorten the time that impulse stroke is required, improved the operating efficiency of this equipment; Secondly, after position sensor reaches the numerical value of setting by the distance of measuring itself and masking liquid liquid level, send the signal of telecommunication, thus the movement velocity of control piston, even constantly carrying out along with coating work, the height of masking liquid liquid level reduces gradually, also can regulate the lifting height of masking liquid automatically by position sensor, and need not manual adjustment, both save manpower, its levels of precision also improves greatly simultaneously, has improved the yield rate of globule; In addition, when globule adopts the mode of secondary coating as previously mentioned, when primary coating finish make the globule drying after, when it was carried out secondary coating, the setting value that calculated in advance is good had so just avoided repeating the excessive problem of coating area in position sensor, by this kind mode, the height value of repetitive coatings part is about 0.5～1mm, and is very little to the coating quality influence of little bead surface, improved its quality stability; This equipment adopts compressed air as power source simultaneously, has saved production cost, can not produce environment simultaneously and pollute.
In the present invention, the quantity of arrangement board carriage is not limited to and this embodiment, so long as more than three, can satisfy the requirement of holding arrangement board and get final product; Also can increase simultaneously other travel switch as required, make travel switch that piston stops to move etc. after using up as masking liquid, so long as get final product in order to finish whole impulse stroke; The present invention is except using compressed air as the power source in addition, can also adopt other gas or liquid as power source, promptly adopt Hydraulic Power Transmission System to finish the course of work of this equipment, the travel switch in this moment equipment can be replaced by magnetic valve.
Claims (6)
1. small bead automatic coating device, comprise frame, arrangement board carriage and masking liquid dish that frame top is provided with, it is characterized in that: the bottom of masking liquid dish is provided with the masking liquid disc carrier, the center of masking liquid disc carrier bottom surface is connected with the piston rod in the cylinder, the other end of cylinder is fixed on the frame, downside both sides in frame are provided with inlet casing and exhaust casing respectively, be provided for measuring the position sensor of masking liquid height in the masking liquid dish at the top of frame, the below of frame is provided for controlling the speed control valve of masking liquid disc carrier movement velocity, speed control valve is controlled by travel switch, this speed control valve comprises rate of climb control valve and lowering speed control valve, one end of speed control valve is connected with cylinder, it is characterized in that: the other end of described rate of climb control valve and lowering speed control valve is connected with exhaust casing with inlet casing respectively.
2. according to the small bead automatic coating device shown in the claim 1, it is characterized in that: described position sensor is arranged on the top of frame and along the edge of its length direction one side.
3. according to the small bead automatic coating device shown in the claim 1, it is characterized in that: the both sides along its width below the masking liquid disc carrier are provided with assistant cylinder respectively.
4. small bead automatic coating device according to claim 1, it is characterized in that: the lead that a side of masking liquid disc carrier is provided with travel switch and moves up and down with the masking liquid disc carrier, projection is set on lead, travel switch is connected with telescopic contact, and cylinder is corresponding with telescopic contact.
5. small bead automatic coating device according to claim 1, it is characterized in that: described travel switch is respectively adjusting masking liquid disc carrier rate of climb travel switch, adjusting masking liquid disc carrier decrease speed travel switch, masking liquid disc carrier vertical motion travel switch and masking liquid disc carrier and stops the actuating length switch, and adjusting masking liquid disc carrier rate of climb travel switch wherein, adjusting masking liquid disc carrier decrease speed travel switch, masking liquid disc carrier vertical motion travel switch are connected with position sensor respectively.
6. small bead automatic coating device according to claim 1, it is characterized in that: rate of climb control valve comprises rate of climb control valve and fast rise speed control valve at a slow speed, and lowering speed control valve comprises lowering speed control valve and lowering speed control valve at a slow speed fast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101137302A CN101116853B (en) | 2007-08-31 | 2007-08-31 | Small bead automatic coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101137302A CN101116853B (en) | 2007-08-31 | 2007-08-31 | Small bead automatic coating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101116853A CN101116853A (en) | 2008-02-06 |
| CN101116853B true CN101116853B (en) | 2010-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101137302A Expired - Fee Related CN101116853B (en) | 2007-08-31 | 2007-08-31 | Small bead automatic coating device |
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| CN (1) | CN101116853B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921605A (en) * | 2012-10-10 | 2013-02-13 | 昆山艾博机器人系统工程有限公司 | Coating mechanism of coating machine |
| CN103223393B (en) * | 2013-03-27 | 2015-05-27 | 温州市茂诚环保科技有限公司 | Closed type treating agent brush coating machine |
| JP6616382B2 (en) * | 2017-11-09 | 2019-12-04 | 本田技研工業株式会社 | Powder surface flattening method and powder resin coating apparatus |
| CN109351546A (en) * | 2018-11-15 | 2019-02-19 | 武汉元丰汽车电控系统有限公司 | Method applied to oil film control |
| CN111359838B (en) * | 2020-03-25 | 2021-07-23 | 湖州博星科技有限公司 | A japanning system that is used for japanning of garbage bin production even |
| CN113714029B (en) * | 2021-09-14 | 2022-09-09 | 潍坊工程职业学院 | Paint dipping device for computer accessories |
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2007
- 2007-08-31 CN CN2007101137302A patent/CN101116853B/en not_active Expired - Fee Related
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| CN101116853A (en) | 2008-02-06 |
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Granted publication date: 20100922 Termination date: 20140831 |
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