CN103569924A - High-precision left-drop-free numerical control glue filling device - Google Patents
High-precision left-drop-free numerical control glue filling device Download PDFInfo
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- CN103569924A CN103569924A CN201210378921.2A CN201210378921A CN103569924A CN 103569924 A CN103569924 A CN 103569924A CN 201210378921 A CN201210378921 A CN 201210378921A CN 103569924 A CN103569924 A CN 103569924A
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- precision
- glue filling
- glue
- numerical control
- filling
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- 239000003292 glue Substances 0.000 title claims abstract description 70
- 238000005303 weighing Methods 0.000 claims abstract description 28
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 238000002955 isolation Methods 0.000 claims description 7
- 230000003068 static effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- BULVZWIRKLYCBC-UHFFFAOYSA-N phorate Chemical compound CCOP(=S)(OCC)SCSCC BULVZWIRKLYCBC-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a high-precision left-drop-free numerical control glue filling device. The high-precision left-drop-free numerical control glue filling device consists of a conveying belt (1), an insulation rotary plate (2), buffer chambers (3), pistons (4), unidirectional valves (5), flow rate regulating valves (6), weighing sensors (7), weighing sensor control panels (8), filling bottle control rods (9) as well as fixing guide pipes (10); the unidirectional valves (5) are connected to inlets at one sides of the buffer chambers (3); the lower ends of the buffer chambers (3) are connected with the flow rate regulating valves (6); the upper parts of the buffer chambers (3) are provided with the pistons (4); the weighing sensors (7) are fixed on the weighing sensor control panels (8); the conveying belt (1) and the weighing sensors (7) are arranged in adjacency. The glue filling precision can be controlled accurately through controlling the weighing precision; the influence to the glue filling precision by air bubble generation randomness in filling glue is eliminated completely; the glue filling precision is improved effectively.
Description
Technical Field
The invention relates to a numerical control glue filling device, in particular to a novel numerical control glue filling device which is provided for overcoming the influence of randomness generated by air bubbles on glue filling precision during glue filling and simultaneously solving the phenomenon of drip loss caused by the viscosity of glue.
Background
The glue-pouring machines are various in types, including automatic glue-pouring machines, semi-automatic glue-pouring machines, digital display glue-pouring machines, quantitative glue-pouring machines and the like. The glue filling machine produced in China generally has the problems of glue valve leakage, unstable flow rate, air bubbles in glue solution and the like. The reason is that the glue solution has viscosity, so that the glue head always continuously drips and leaks after the valve is closed; in the prior art, quantitative glue filling is realized by controlling the volume of glue solution, but air pressure for storing the glue solution is unstable, so that bubbles are randomly formed, and the glue filling precision is influenced. Although the glue-pouring machine produced abroad has higher precision, the structure is complex, the price is high, and the working efficiency is low.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides the numerical control glue filling device which can overcome the influence of randomness generated by air bubbles during glue filling on the glue filling precision and solve the phenomenon of drip loss caused by the viscosity of glue solution.
A high-precision no-drip numerical control glue filling device is composed of a conveyor belt 1, an isolation rotating plate 2, a buffer chamber 3, a piston 4, a one-way valve 5, a flow regulating valve 6, a weighing sensor 7, a weighing sensor control plate 8, a bottle filling control rod 9 and a fixed guide pipe 10. The height of the buffer chamber 3 can be adjusted up and down according to the height of the filling bottle.
The one-way valve 5 is connected with an inlet at one side of the buffer chamber 3, the lower end of the buffer chamber 3 is connected with the flow regulating valve 6, and the upper part of the buffer chamber 3 is provided with the piston 4. The weighing sensor 7 is fixed on the weighing sensor control board 8, and the weighing sensors 7 of the conveyor belt 1 are arranged adjacently.
The height of the load-bearing sensor control board 8 can be adjusted up and down, so that the position of the load-bearing sensor 7 is higher or lower than the conveyor belt 1. The flow regulating valve 6 consists of a static head 6A and a movable head 6B, the cross section between the static head 6A and the movable head 6B is gradually narrowed from top to bottom, the tail end of the cross section is provided with a wider concave surface, and the movable head 6B is driven by a micro motor.
The bottle filling control rod 9 is connected with the fixed guide pipe 10 in a sliding mode, the bottle filling control rod 9 pushes the filled bottles away from the conveyor belt 1 to the weighing sensor during glue filling; after the glue filling is finished, the bottle filling control rod 9 pushes the filled bottles into the conveyor belt 1, and the conveyor belt 1 conveys the filled bottles to the next procedure.
Weighing sensor be 7 for 1~8, buffer chamber 3 is 1~8, can fill 8 bottling simultaneously.
The filling precision can be accurately controlled by controlling the weighing precision, the influence of randomness generated by bubbles during filling on the filling precision is thoroughly eliminated, and the filling precision is effectively improved; can give 1~8 bottling encapsulating simultaneously, the system will be according to real-time data: the time for pushing the control rod to push the bottles to be filled, the time for putting down and folding the isolation rotating plate, the conveying and standing time of the conveying belt, the glue solution pressure of the buffer chamber, the glue filling amount of each bottle, the glue solution characteristics, the glue filling precision and the like are optimized, the number of the bottles is selected, and the glue filling efficiency is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the high-precision no-drop numerical control glue filling device of the invention.
Fig. 2 is a schematic view of a partial structure of the high-precision no-drip numerical control glue filling device of the invention.
FIG. 3 is a cross-sectional view of a flow control valve of the high-precision no-drop numerical control glue-pouring device of the present invention.
Fig. 4 is a schematic view of the working principle of the high-precision no-drop numerical control glue filling device of the invention.
Fig. 5 is a normal control curve diagram of the pressure of the glue-pouring liquid of the high-precision no-drip numerical control glue-pouring device.
Fig. 6 is a normal control curve diagram of the improved pressure of the glue-pouring liquid of the high-precision no-drip numerical control glue-pouring device.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a high-precision no-drop numerical control glue filling device comprises a conveyor belt 1, an isolation rotating plate 2, eight buffer chambers 3, eight pistons 4 corresponding to the eight buffer chambers, eight one-way valves 5 installed on one sides of the eight buffer chambers 3, flow regulating valves 6 installed at the bottoms of the eight buffer chambers 3, eight weighing sensors 7 corresponding to the eight buffer chambers, a weighing sensor control plate 8, a bottle filling control rod 9 and a fixed guide pipe 10.
The height of the buffer chamber 3 can be adjusted up and down according to the height of the filling bottle. The weighing sensor 7 is fixed on the weighing sensor control board 8, and the weighing sensors 7 of the conveyor belt 1 are arranged adjacently.
As shown in fig. 3, the load cell control board 8 can be adjusted in height up and down to position the load cell 7 above or below the conveyor belt 1. The flow regulating valve 6 consists of a static head 6A and a movable head 6B, the cross section between the static head 6A and the movable head 6B is gradually narrowed from top to bottom, the tail end of the cross section is provided with a wider concave surface, and the movable head 6B is driven by a micro motor.
As shown in fig. 2, a bottle filling control rod 9 is slidably connected with a fixed conduit 10, the bottle filling control rod 9 pushes the filling bottles away from the conveyor belt 1 to a weighing sensor during glue filling; after the glue filling is finished, the bottle filling control rod 9 pushes the filled bottles into the conveyor belt 1, and the conveyor belt 1 conveys the filled bottles to the next procedure.
Fig. 4 is a schematic diagram of the working principle of the high-precision no-drop numerical control glue filling device, which is described as follows:
(1) the system is initialized and the best bottle filling number is calculatedn( 
)；
(2) Drive the bottle-filling control rod 9 to push 8 filling bottles throughT inThen the mixture enters a platform of a weighing sensor 7 and is pressed for 1 to 1 according to the system control rulenPiston No. 4, give 1~nFilling glue into a bottle, the processT 1And then glue pouring is finished;
(3) drive the bottle-filling control rod 9 to push out 8 filling bottles throughT outThen enters the conveyor belt 1, the isolation board 2 is retracted and takes timeT on；
(4) Drive the conveyor belt 2 throughT 2The n filled bottles are discharged, the isolation plate 2 is put down, and the time taken for putting down isT offThe conveyor 2 stops the conveyance and returns to (2).
Wherein,T inthe time taken for the control rod 9 to advance the bottle to be filled; is provided with
(i=1~n) Are respectively 1 tonThe time for filling the number bottle is that the filling time of the system is
T outThe time taken for the bottle filling control lever 9 to push out the bottle to be filled;T onthe time taken for the isolation flap 2 to retract; is provided with
(i=1~n) Are respectively 1 tonThe time for transmitting the number bottle is the system transmission time
In generalTherefore, it is
T offTo isolate the time taken for the rotor plate 2 to set down. It can be known that the time available for the subsequent processes such as capping and packaging
Buffer chambers H1-HnTime for sucking glue solution
The belt 1 has a rest time of
The conveyor belt 1 has a transit time of
Time T for glue pouring1The pressure of the glue solution in the buffer chamber 3, the glue filling amount of each bottle, the glue solution characteristics, the glue filling precision and other factors are related. The system glue filling precision and the weighing precision have a direct relation. In order to improve the glue filling efficiency of the system, the glue filling time T must be shortened1However, the glue filling precision must have a certain glue filling time T1The control of the glue pressure of the flow regulating valve and the buffer chamber becomes very critical.
Through the control to piston and flow control valve to realize high-efficient, high accuracy encapsulating. In order to ensure the glue filling to be stable, the changes of the pressure and the flow of the glue solution in the buffer chamber are smooth and have no distortion.
The glue solution pressure of a buffer chamber in the glue filling system has three typical control rules of constant pressure, constant depressurization rate and normal, also called as natural, and the like, and each instantaneous pressure is respectively expressed as
Wherein,P 1max、P 2maxandP 3maxmaximum pressure for three typical control rules, respectively;T 1the critical point is the glue filling end time;ρis a natural control coefficient.
On the premise of the same control efficiency, each control rule is characterized in that: simple constant pressure control and maximum pressureP 1maxSmall but due to critical pressurep 1(T 1) Large, so the stability of glue pouring is poor; the constant voltage reduction rate is controlled simply, and the critical pressure intensity is higherp 2(T 1) 0, good stability of glue filling, but maximum pressureP 2maxLarge, high requirements for system hardware facilities; normal control is more complicated, but the maximum pressure isP 3maxLower, critical pressurep 3(T 1) And coefficient ofρThis is shown in FIG. 5. In order to overcome the influence of normal control critical pressure on the stability performance of the glue pouring, the normal control rule can be improved, and the improved instantaneous pressure is
Obviously, the maximum pressure of the improved normal control law is stillP 3maxBut critical pressureIs 0 as shown in fig. 6.
To sum up, the device has overcome the influence of the randomness that the bubble produced when encapsulating to the encapsulating precision, has solved simultaneously and has left the problem of dripping because of the glue solution stickness brings, and can give 1~8 filling bottles encapsulating simultaneously, and the system will be according to real-time data, and the optimization selects the bottle number, combines to control piston and flow control valve, can fully improve encapsulating efficiency under the prerequisite of guaranteeing the encapsulating precision.
Claims (6)
1. A high-precision no-drip numerical control glue filling device is composed of a conveyor belt (1), an isolation rotating plate (2), a buffer chamber (3), a piston (4), a one-way valve (5), a flow regulating valve (6), a weighing sensor (7), a weighing sensor control panel (8), a bottle filling control rod (9) and a fixed guide pipe (10); the one-way valve (5) is connected with an inlet at one side of the buffer chamber (3), the lower end of the buffer chamber (3) is connected with the flow regulating valve (6), and the upper part of the buffer chamber (3) is provided with a piston (4); the method is characterized in that: the weighing sensor (7) is fixed on the weighing sensor control panel (8), and the conveyor belt (1) is adjacent to the weighing sensor (7).
2. The high-precision no-drop numerical control glue filling device according to claim 1, characterized in that: the height of the load-bearing sensor control board (8) can be adjusted up and down, so that the position of the load-bearing sensor (7) is higher than or lower than the conveyor belt (1).
3. The high-precision no-drop numerical control glue filling device according to claim 1, characterized in that: the flow regulating valve (6) consists of a static head (6A) and a movable head (6B), the cross section between the static head (6A) and the movable head (6B) is gradually narrowed from top to bottom, the tail end of the cross section is provided with a wider concave surface, and the movable head (6B) is driven by a micro motor.
4. The high-precision no-drop numerical control glue filling device according to claim 1, characterized in that: the bottle filling control rod (9) is connected with the fixed guide pipe (10) in a sliding mode, and the bottle filling control rod (9) can push the filled bottles into or out of the conveyor belt (1).
5. The high-precision no-drop numerical control glue filling device according to any one of claims 1 to 4, characterized in that: the number of the weighing sensors is 1-8 (7), and the number of the buffer chambers is 1-8 (3).
6. The high-precision no-drop numerical control glue filling device according to claim 5, characterized in that: the height of the buffer chamber (3) can be adjusted up and down according to the height of the filling bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210378921.2A CN103569924B (en) | 2012-10-09 | 2012-10-09 | Numerical control glue-pouring device is dripped in a kind of high precision nothing left |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210378921.2A CN103569924B (en) | 2012-10-09 | 2012-10-09 | Numerical control glue-pouring device is dripped in a kind of high precision nothing left |
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| Publication Number | Publication Date |
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| CN103569924A true CN103569924A (en) | 2014-02-12 |
| CN103569924B CN103569924B (en) | 2015-12-16 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060224A (en) * | 2015-07-16 | 2015-11-18 | 安徽正远包装科技有限公司 | Coating filling method |
| CN105109724A (en) * | 2015-07-16 | 2015-12-02 | 安徽正远包装科技有限公司 | Coating filling system |
| CN107619012A (en) * | 2017-09-29 | 2018-01-23 | 重庆尚洁日化用品有限公司 | One kind hair washing water filling machine |
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2012
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| CN200999918Y (en) * | 2007-01-27 | 2008-01-02 | 汕头市粤东机械厂有限公司 | Filling device for filling packing machine |
| CN101343027A (en) * | 2008-08-20 | 2009-01-14 | 佛山市海天调味食品有限公司 | Weighing type bulking system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060224A (en) * | 2015-07-16 | 2015-11-18 | 安徽正远包装科技有限公司 | Coating filling method |
| CN105109724A (en) * | 2015-07-16 | 2015-12-02 | 安徽正远包装科技有限公司 | Coating filling system |
| CN107619012A (en) * | 2017-09-29 | 2018-01-23 | 重庆尚洁日化用品有限公司 | One kind hair washing water filling machine |
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| Publication number | Publication date |
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| CN103569924B (en) | 2015-12-16 |
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Effective date of registration: 20210301 Address after: 213311 7 7, tou tou street, Dai tou Town, Liyang, Changzhou, Jiangsu Patentee after: Liyang Chang Technology Transfer Center Co.,Ltd. Address before: Gehu Lake Road Wujin District 213164 Jiangsu city of Changzhou province No. 1 Patentee before: CHANGZHOU University |