CN206604681U - A kind of antidrip vacuum glue pouring equipment of two-component - Google Patents
A kind of antidrip vacuum glue pouring equipment of two-component Download PDFInfo
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- CN206604681U CN206604681U CN201720285335.1U CN201720285335U CN206604681U CN 206604681 U CN206604681 U CN 206604681U CN 201720285335 U CN201720285335 U CN 201720285335U CN 206604681 U CN206604681 U CN 206604681U
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- 239000003292 glue Substances 0.000 title claims abstract description 310
- 238000002347 injection Methods 0.000 claims description 62
- 239000007924 injection Substances 0.000 claims description 62
- 230000000712 assembly Effects 0.000 claims description 16
- 238000000429 assembly Methods 0.000 claims description 16
- 239000000919 ceramic Substances 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000945 filler Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000004615 ingredient Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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Abstract
A kind of antidrip vacuum glue pouring equipment of two-component；Including two-component piston type dosage glue injecting head, mixing tube, vacuum anti-dripping valve and vacuum glue pouring operating room；Two-component piston type dosage glue injecting head includes drive module and injecting glue module；Drive module includes motor and spacing driving plate；Injecting glue module includes two-piston cylinder and injecting glue seat；Mixing tube is connected between nozzle and vacuum anti-dripping valve；The valve body of vacuum anti-dripping valve wears positioning encapsulating pipe；A pair of clamping pistons are equipped with valve body and act on encapsulating pipe both sides；The periphery of valve body is also provided with piston plate, and high-pressure gas circuit is offered in the piston plate；The gum-injecting port of encapsulating pipe stretches into vacuum glue pouring operating room；It is provided with the vacuum glue pouring operating room on three axle work tops, the work top and is installed with frock clamp, the frock clamp is used for positioning product.The utility model can be applied to that viscosity is high, density is big, the glue more than filler, and wear-resistant, and dosage is accurate；Also there is simple and compact for structure, the convenient advantage of maintenance in addition.
Description
Technical Field
The utility model relates to a vacuum encapsulating equipment, concretely relates to two ingredient antidrip vacuum encapsulating equipment.
Background
In the process of vacuum glue filling of the two-component fluid, the glue of the component A and the glue of the component B need to be output according to a certain proportion, the matching accuracy of the glue is ensured, and meanwhile, the glue is also suitable for processing various glues, such as glue which is difficult to process and has high component viscosity, high density, large A, B proportion difference and the like.
The prior art has the following defects: firstly, injecting glue by using the gear pump dosage, wherein the mode can be suitable for treating only glue with low viscosity, low density and few fillers, and the pump is easy to clamp and wear if the glue with high viscosity and fillers is used; and secondly, injecting glue by using a screw pump in a dosage manner, wherein the method can be suitable for glue with high viscosity, high density and filler, but the screw pump has the defects of short service life, inaccurate dosage and the like.
In addition, after glue is discharged from the equipment, the glue is injected into a product through a mixing system and a glue discharging pipeline. Because of the mixing system and the glue outlet pipeline glue flowing space is bigger, therefore, when the product is glue filled under the vacuum environment, once the glue filling is stopped, the glue can generate the phenomenon of glue dripping or wire drawing due to the action of vacuum adsorption, thereby influencing the quality and appearance of the product glue filling.
Therefore, how to solve the above-mentioned deficiencies of the prior art is a problem to be solved by the present invention.
Disclosure of Invention
The utility model aims at providing a two ingredient antidrip vacuum encapsulating equipment.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a double-component drip-proof vacuum glue pouring device; the device comprises an equipment rack, and a double-component piston type dose glue injection head, a mixing pipe, a vacuum drip-proof valve and a vacuum glue injection working chamber which are arranged on the equipment rack from top to bottom; wherein,
the double-component piston type dose glue injection head comprises a driving module and a glue injection module;
the driving module comprises a motor and a limit driving plate which is driven by the motor and can vertically move in the up-down direction;
the glue injection module is arranged below the limit driving plate and comprises two groups of piston cylinders, and each group of piston cylinders corresponds to glue of one component; each piston cylinder is internally provided with a piston cavity for a piston assembly to slide and assemble; the inner wall of the piston cylinder is provided with a ceramic piston sleeve, and the piston assembly comprises a piston head at the lower part and a piston rod connected and arranged above the piston head; the periphery of the piston head is attached to the ceramic piston sleeve, and the upper end of the piston rod extends out of the top of the piston cylinder and is arranged corresponding to the limiting driving plate;
the bottoms of the two piston cylinders are connected with a glue injection seat, two groups of glue inlet assemblies and two groups of glue outlet assemblies are arranged in the glue injection seat corresponding to the two piston cylinders, and one group of glue inlet assemblies and one group of glue outlet assemblies correspond to one piston cylinder; and a glue inlet component corresponds to glue of one component;
each glue inlet assembly comprises a glue inlet pipeline, an inlet of the glue inlet pipeline is communicated with a glue inlet of glue, and an outlet of the glue inlet pipeline is communicated with a piston cavity of the piston cylinder; the glue inlet pipeline is internally provided with a glue inlet valve which is used for opening or closing the glue inlet pipeline to form the glue inlet assembly for controlling the glue to be injected into the piston cavity;
each glue outlet assembly comprises a glue outlet pipeline, an inlet of the glue outlet pipeline is communicated with the piston cavity of the piston cylinder, an outlet of the glue outlet pipeline is communicated with a nozzle, and the nozzle is fixedly arranged below the glue injection seat; the glue outlet pipeline is internally provided with a glue outlet valve which is used for opening or closing the glue outlet pipeline to form the glue outlet assembly for controlling the glue to flow from the piston cylinder to the nozzle;
the mixing pipe is vertically arranged, the upper end of the mixing pipe is connected with the nozzle, the lower end of the mixing pipe is connected with a glue filling pipe of the vacuum anti-dripping valve, and the mixing pipe is used for mixing two components of glue flowing out of the nozzle and sending the glue into the vacuum anti-dripping valve;
the vacuum drip-proof valve comprises a valve body, wherein a through hole is formed in the middle of the valve body along the height direction of the valve body, and the through hole is used for penetrating, positioning and detachably arranging the flexible rubber filling pipe; the flexible glue filling pipe is vertically arranged, the upper end of the flexible glue filling pipe is provided with a glue inlet, and the lower end of the flexible glue filling pipe is provided with a glue injection port; a cavity is formed in the valve body, a pair of pressing pistons are movably assembled in the cavity in the horizontal direction, the two pressing pistons respectively act on two sides of the rubber filling pipe, and when the two pressing pistons perform relative displacement, the two sides of the rubber filling pipe are simultaneously extruded, so that the rubber filling pipe is sealed off;
each pressing piston is sleeved with a spring, and the spring acts between the pressing piston and the valve body to ensure that the pressing piston does not extrude the rubber filling pipe and ensure the smoothness of the rubber filling pipe;
a piston plate is further connected to the periphery of the valve body, a high-pressure air path is respectively formed in the piston plate corresponding to the two pressing pistons, one end of the high-pressure air path is communicated with the outer ends of the pressing pistons, and the other end of the high-pressure air path is communicated with a high-pressure air source; the high-pressure gas source is used for conveying high-pressure gas into the high-pressure gas circuit, and the gas pressure value of the high-pressure gas is greater than the elastic force value of the spring, so that when the high-pressure gas source supplies gas, the two pressing pistons are pushed by the high-pressure gas to extrude two sides of the rubber filling pipe;
the glue injection port of the glue injection pipe extends into the upper part of the vacuum glue injection working chamber; a three-axis working table surface is arranged in the vacuum glue pouring working chamber, a tool clamp is fixedly arranged on the working table surface, and the tool clamp is used for positioning a product.
The relevant content in the above technical solution is explained as follows:
1. in the scheme, the heights of the two piston cylinders are set to be consistent, so that the two piston rods can be simultaneously controlled by driving a single limiting driving plate through a single motor; the diameters of the two piston cylinders can be set to be different, and the diameter ratio of the two piston cylinders corresponds to the required ratio of the two-component glue.
In addition, a mode that two motors respectively drive one limit driving plate and each limit driving plate controls one piston rod can be used, piston cylinders with the same specification can be adopted in the mode, and the cost is higher due to the fact that the number of the motors is increased.
2. In the above scheme, the application of ceramic material is passed through to the pottery piston bush for the piston cylinder is more stand wear and tear, and the dose is more accurate.
3. In the above scheme, the driving module further comprises a screw rod, and the screw rod is in coaxial transmission connection with the output shaft of the motor; the limit driving plate is connected to the screw rod, so that the limit driving plate can vertically move in the up-down direction when the screw rod rotates.
4. In the above scheme, the glue inlet valve and the glue outlet valve both comprise a valve body, a pressing block is movably assembled in the valve body, the pressing block acts on the glue inlet pipeline or the glue outlet pipeline, and the glue inlet pipeline or the glue outlet pipeline is closed when the pressing block is displaced;
the pressing block is sleeved with a spring, and the spring acts between the pressing block and the valve body to ensure that the pressing block does not displace, so that the glue inlet pipeline or the glue outlet pipeline is kept smooth;
the valve body is also connected with an air circuit board, the air circuit board is provided with a high-pressure air circuit corresponding to the pressing block, one end of the high-pressure air circuit acts on the outer end of the pressing block, and the other end of the high-pressure air circuit is communicated with a high-pressure air source; the high-pressure gas source is used for conveying high-pressure gas to the high-pressure gas circuit, and the air pressure value of the high-pressure gas is larger than the elastic force value of the spring, so that when the high-pressure gas source supplies gas, the pressing block is pushed by the high-pressure gas to generate displacement, and the glue inlet pipeline or the glue outlet pipeline is closed.
5. In the above scheme, a position sensor is further arranged on the limit driving board of the driving module corresponding to the upper end of the piston rod, so that when the piston cylinder moves upwards to be close to the limit driving board, the system can stop glue entering from the glue inlet of the two components.
6. In the above scheme, when the equipment is used for glue filling, the high-pressure air source does not supply air to the high-pressure air path of the vacuum anti-drip valve at the moment, the pressing piston is always kept in an open state through the elastic force of the spring, so that the glue filling pipe is kept smooth, and the glue can be smoothly filled into a product through the glue filling pipe. When the encapsulating stops, high-pressure gas is sent into high-pressure gas circuit with high-pressure gas source, and the elasticity that pushes down the piston through gas pressure and overcome the spring takes place the displacement, and two pressure pistons move to the centre simultaneously this moment, extrude the encapsulating pipe and make its closure to reach sealed effect, prevent that the glue from continuing downwards to discharge under the vacuum state.
7. In the above scheme, the through hole is further provided with a guide sleeve, and the guide sleeve is adjustable in height up and down in the through hole; the uide bushing is the tubulose, the rubber-impregnated tube is detachable wears to set for being located this uide bushing. Due to the design of adjustable height, the height of the glue injection port can be flexibly adjusted according to different products when the distance from the product to the valve body is inconsistent.
8. In the above scheme, the vacuum anti-drip valve further comprises a diaphragm, the diaphragm is arranged between the piston plate and the valve body and used for sealing the cavity of the valve body.
9. In the scheme, the vacuum glue filling working chamber is used for filling glue for the product, the product can be vacuumized through a vacuum pump, and the product can move in three axes on the working platform through the tool clamp.
10. In the above scheme, the touch screen further comprises a control screen, the control screen is used for displaying the working parameters on one hand, and on the other hand, some common buttons can be arranged to replace physical buttons to perform touch screen operation, such as glue filling amount and glue filling speed.
The utility model discloses a theory of operation and advantage as follows:
the utility model relates to a double-component drip-proof vacuum glue pouring device; the device comprises a double-component piston type dose glue injection head, a mixing pipe, a vacuum drip-proof valve and a vacuum glue injection working chamber which are arranged from top to bottom; the double-component piston type dose glue injection head comprises a driving module and a glue injection module; the driving module comprises a motor and a limiting driving plate; the glue injection module comprises two groups of piston cylinders, and each piston cylinder is internally provided with a piston cavity for a piston assembly to be assembled in a sliding way; the inner wall of the piston cylinder is provided with a ceramic piston sleeve, and the piston assembly comprises a piston head and a piston rod; the upper end of the piston rod is arranged corresponding to the limiting drive plate; the bottoms of the two piston cylinders are connected with a glue injection seat, and two groups of glue inlet assemblies and two groups of glue outlet assemblies are arranged in the glue injection seat; the glue inlet assembly comprises a glue inlet pipeline, and a glue inlet valve is arranged in the glue inlet pipeline; the glue outlet assembly comprises a glue outlet pipeline, and an outlet of the glue outlet pipeline is communicated with a nozzle; a glue outlet valve is arranged in the glue outlet pipeline; the mixing pipe is connected between the nozzle and the vacuum anti-drip valve; the middle part of the valve body of the vacuum anti-drip valve is provided with a through hole for the penetration and positioning of a rubber filling pipe; a pair of pressing pistons are arranged in the valve body and respectively act on two sides of the glue filling pipe; each pressing piston is sleeved with a spring; the periphery of the valve body is also connected with a piston plate, and a high-pressure air path is respectively arranged in the piston plate corresponding to the two pressing pistons; the glue injection port of the glue injection pipe extends into the vacuum glue injection working chamber; a three-axis working table surface is arranged in the vacuum glue pouring working chamber, a tool clamp is fixedly arranged on the working table surface, and the tool clamp is used for positioning a product. Compared with the prior art, the utility model is suitable for glue with high viscosity, large density and more fillers, and has abrasion resistance and accurate dosage; in addition, the device has the advantages of simple and compact structure, small volume and convenient maintenance.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic structural view of a two-component piston type dosage glue injection head in the embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 3;
FIG. 5 is a perspective view of a vacuum anti-drip valve in an embodiment of the present invention;
FIG. 6 is a side view of a vacuum drip prevention valve in an embodiment of the present invention;
fig. 7 is a schematic cross-sectional view taken along line C-C of fig. 6.
In the above drawings: 1. a motor; 2. a limiting driving plate; 3. a piston cylinder; 4. a piston cavity; 5. a ceramic piston sleeve; 6. a piston head; 7. a piston rod; 8. injecting a glue base; 9. a glue inlet pipeline; 10. an outlet of the glue inlet pipeline; 11. a glue outlet pipeline; 12. an inlet of the glue outlet pipeline; 13. an outlet of the glue outlet pipeline; 14. a nozzle; 15. a valve body; 16. a compression block; 17. a spring; 18. a gas circuit board; 19. a high-pressure gas circuit; 20. a screw rod; 21. a valve body of the vacuum anti-drip valve; 22. a through hole; 23. filling a rubber pipe; 24. a glue inlet; 25. a glue injection port; 26. a cavity; 27. a hold-down piston; 28. a spring; 29. a piston plate; 30. a high-pressure gas circuit; 31. a guide sleeve; 32. a membrane; 33. a glue inlet of glue; 40. an equipment rack; 41. a double-component piston type dosage glue injection head; 42. a mixing tube; 43. a vacuum anti-drip valve; 44. a vacuum glue pouring working chamber; 45. a vacuum pump; 46. a working platform; 47. a tooling fixture; 48. and (6) a control screen.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
example (b): referring to the attached drawings 1-7, a two-component drip-proof vacuum glue filling device; the device comprises an equipment rack 40, and a double-component piston type dosage glue injection head 41, a mixing pipe 42, a vacuum drip-proof valve 43 and a vacuum glue injection working chamber 44 which are arranged on the equipment rack 40 from top to bottom; wherein,
as shown in fig. 3 and 4, the two-component piston type dosage glue injection head 41 includes a driving module and a glue injection module;
the driving module comprises a motor 1 and a limit driving plate 2 which is driven by the motor 1 and can vertically move in the up-down direction;
the glue injection module is arranged below the limit drive plate 2 and comprises two groups of piston cylinders 3, and each group of piston cylinders 3 corresponds to glue of one component; each piston cylinder 3 is internally provided with a piston cavity 4 for a piston assembly to slide and assemble; the inner wall of the piston cylinder 3 is provided with a ceramic piston sleeve 5, and the piston assembly comprises a piston head 6 at the lower part and a piston rod 7 connected with the upper part of the piston head 6; the periphery of the piston head 6 is attached to the ceramic piston sleeve 5, and the upper end of the piston rod 7 extends out of the top of the piston cylinder 3 and is arranged corresponding to the limit driving plate 2;
the bottoms of the two piston cylinders 3 are connected with a glue injection seat 8, two groups of glue inlet assemblies and two groups of glue outlet assemblies are arranged in the glue injection seat 8 corresponding to the two piston cylinders 3, and one group of glue inlet assemblies and one group of glue outlet assemblies correspond to one piston cylinder 3; and a glue inlet component corresponds to glue of one component;
each glue inlet assembly comprises a glue inlet pipeline 9, an inlet of the glue inlet pipeline 9 is communicated with a glue inlet 33 of glue, and an outlet 10 of the glue inlet pipeline 9 is communicated with the piston cavity 4 of the piston cylinder 3; a glue inlet valve is arranged in the glue inlet pipeline 9 and used for opening or closing the glue inlet pipeline 9 to form a glue inlet assembly for controlling whether glue is injected into the piston cavity 4;
each glue outlet assembly comprises a glue outlet pipeline 11, an inlet 12 of the glue outlet pipeline 11 is communicated with the piston cavity 4 of the piston cylinder 3, an outlet 13 of the glue outlet pipeline 11 is communicated with a nozzle 14, and the nozzle 14 is fixedly arranged below the glue injection seat 8; a glue outlet valve is arranged in the glue outlet pipeline 11 and used for opening or closing the glue outlet pipeline 11 to form the glue outlet assembly for controlling whether glue flows from the piston cylinder 3 to the nozzle 14.
The glue inlet valve and the glue outlet valve both comprise a valve body 15, a pressing block 16 is movably assembled in the valve body 15, the pressing block 16 acts on the glue inlet pipeline 9 or the glue outlet pipeline 11, and when the pressing block 16 is displaced, the glue inlet pipeline 9 or the glue outlet pipeline 11 is closed;
the pressing block 16 is sleeved with a spring 17, and the spring 17 acts between the pressing block 16 and the valve body 15 to ensure that the pressing block 16 does not displace to form the rubber inlet pipeline 9 or the rubber outlet pipeline 11 which is kept smooth;
the valve body 15 is also connected with a gas circuit board 18, the gas circuit board 18 is provided with a high-pressure gas circuit 19 corresponding to the pressing block 16, one end of the high-pressure gas circuit 19 acts on the outer end of the pressing block 16, and the other end is communicated with a high-pressure gas source; the high-pressure gas source is used for conveying high-pressure gas to the high-pressure gas path 19, and the pressure value of the high-pressure gas is greater than the elastic value of the spring 17, so that when the high-pressure gas source supplies gas, the pressing block 16 is pushed by the high-pressure gas to generate displacement, and the rubber inlet pipeline 9 or the rubber outlet pipeline 11 is closed.
Wherein, the heights of the two piston cylinders 3 are set to be consistent, so that the two piston rods 7 can be simultaneously controlled by driving a single limit driving plate 2 through a single motor 1; the diameters of the two piston cylinders 3 can be set to be different, and the diameter ratio of the two piston cylinders corresponds to the required ratio of the two-component glue.
Wherein, the application of ceramic material is passed through to ceramic piston cover 5 for piston cylinder 3 is more stand wear and tear, and the dose is more accurate.
The driving module further comprises a screw rod 20, and the screw rod 20 is in coaxial transmission connection with an output shaft of the motor 1; the limit driving board 2 is connected to the screw rod 20, so that when the screw rod 20 rotates, the limit driving board 2 vertically moves in the up-down direction.
And a position sensor is arranged on the limit drive plate 2 of the drive module corresponding to the upper end of the piston rod 7, so that when the piston cylinder 3 moves upwards to be close to the limit drive plate 2, the system can stop the glue inlet 33 of the two-component glue from entering the glue.
When the glue injection device works, firstly, the motor 1 is started to rotate clockwise to drive the limit driving plate 2 to move upwards, the rising distance of the piston rod 7 is limited through the height of the limit driving plate 2, and then the quantity of glue entering the piston cylinder 3 is limited; meanwhile, the pressing block 16 in the glue inlet valve is opened by ventilating the high-pressure air passage 19 in the air passage plate 18, glue is injected into the piston cylinder 3 through the glue inlet pipeline 9, the piston assembly is pushed upwards until the piston rod 7 contacts the limiting drive plate 2, the high-pressure air passage 19 stops ventilating, the pressing block 16 of the glue inlet valve closes the glue inlet pipeline 9, and glue injection stops;
then, starting the motor 1 to rotate anticlockwise, driving the limit driving plate 2 to move downwards, and pressing the piston rod 7 downwards to enable the glue in the piston cylinder 3 to generate pressure; at the same time, the high-pressure air passage 19 in the air passage plate 18 is ventilated to open the pressing block 16 in the glue outlet valve, and the glue in the piston cylinder 3 flows to the nozzle 14 through the glue outlet pipeline 11 and is sprayed out through the nozzle 14 due to the pressure.
As shown in fig. 1 and 2, the mixing tube 42 is vertically disposed, the upper end thereof is connected with the nozzle 14, and the lower end thereof is connected with a glue filling tube 23 of the vacuum anti-drip valve 43, for mixing the two component glues flowing out from the nozzle 14 and feeding into the vacuum anti-drip valve 43;
as shown in fig. 5 to 7, the vacuum anti-drip valve 43 includes a valve body 21, a through hole 22 is formed in the middle of the valve body 21 along the height direction thereof, and a detachable flexible rubber filling tube 23, which may be a silicone tube, is inserted and positioned in the through hole 22; the flexible glue filling pipe 23 is vertically arranged, the upper end of the flexible glue filling pipe is provided with a glue inlet 24, mixed glue enters the flexible glue filling pipe from the glue inlet, and the lower end of the flexible glue filling pipe is provided with a glue filling port 25 so as to fill glue into a product in the vacuum chamber; a cavity 26 is formed in the valve body 21, a pair of pressing pistons 27 is movably assembled in the cavity 26 along the horizontal direction, the two pressing pistons 27 respectively act on two sides of the rubber filling pipe 23, and when the two pressing pistons 27 do relative displacement, the two pressing pistons simultaneously press two sides of the rubber filling pipe 23, so that the rubber filling pipe 23 is sealed and broken.
Each pressing piston 27 is sleeved with a spring 28, and the spring 28 acts between the pressing piston 27 and the valve body 21 to ensure that the pressing piston 27 does not extrude the rubber filling pipe 23 and ensure the smoothness of the rubber filling pipe 23.
A piston plate 29 is further connected to the periphery of the valve body 21, a high-pressure air passage 30 is respectively formed in the piston plate 29 corresponding to the two pressing pistons 27, one end of the high-pressure air passage 30 is communicated with the outer end of the pressing piston 27, and the other end of the high-pressure air passage is communicated with a high-pressure air source; the high-pressure gas source is used for delivering high-pressure gas to the high-pressure gas path 30, and the pressure value of the high-pressure gas is greater than the elastic force value of the spring 28, so that when the high-pressure gas source delivers gas, the two pressing pistons 27 are pushed by the high-pressure gas to extrude the two sides of the rubber filling pipe 23.
When the equipment is used for pouring glue, the high-pressure air source does not supply air to the high-pressure air passage 30 at the moment, and the pressing piston 27 is always kept in an open state through the elastic force of the spring 28, so that the glue pouring tube 23 is kept smooth, and the glue can be smoothly poured into a product through the glue pouring tube 23. When the glue pouring stops, the high-pressure gas source sends high-pressure gas into the high-pressure gas circuit 30, the pressing pistons 27 are pushed by gas pressure to overcome the elastic force of the springs 28 to displace, at the moment, the two pressing pistons 27 simultaneously move towards the middle, the glue pouring pipe 23 is extruded and closed, and therefore the sealing effect is achieved, and glue is prevented from being continuously discharged downwards in a vacuum state.
Wherein, the through hole 22 is also provided with a guide sleeve 31, and the height of the guide sleeve 31 in the through hole 22 can be adjusted up and down; the guide sleeve 31 is tubular, and the rubber filling pipe 23 is detachably arranged in the guide sleeve 31 in a penetrating mode. Due to the design of adjustable height, the height of the glue injection port 25 can be flexibly adjusted according to different products when the distance from the product to the valve body is inconsistent.
Wherein, a diaphragm 32 is further included, and the diaphragm 32 is disposed between the piston plate 29 and the valve body 21 for sealing the cavity 26 of the valve body 21. When the glue application is stopped, the high-pressure gas presses the diaphragm 32 by the gas pressure to be reduced, and pushes the pressing piston 27 to be displaced against the elastic force of the spring 28.
As shown in fig. 1 and 2, the glue injection port 25 of the glue injection tube 23 extends into the upper part of the vacuum glue injection working chamber 44; this vacuum encapsulating studio 44 is through a vacuum pump 45 evacuation, be equipped with a triaxial table surface 46 in the vacuum encapsulating studio 44, a frock clamp 47 has set firmly on this table surface 46, and this frock clamp 47 is used for the location product. The vacuum glue filling working chamber 44 is used for filling glue into products, and the products can move on the working platform 46 in three axes through the tool clamp.
The touch screen display system further comprises a control screen 48, wherein the control screen 48 is used for displaying the working parameters on one hand, and on the other hand, some common buttons can be arranged to replace physical buttons to perform touch screen operation, such as glue filling amount, glue filling speed and the like.
The utility model relates to a double-component drip-proof vacuum glue pouring device; the device comprises a double-component piston type dose glue injection head, a mixing pipe, a vacuum drip-proof valve and a vacuum glue injection working chamber which are arranged from top to bottom; the double-component piston type dose glue injection head comprises a driving module and a glue injection module; the driving module comprises a motor and a limiting driving plate; the glue injection module comprises two groups of piston cylinders, and each piston cylinder is internally provided with a piston cavity for a piston assembly to be assembled in a sliding way; the inner wall of the piston cylinder is provided with a ceramic piston sleeve, and the piston assembly comprises a piston head and a piston rod; the upper end of the piston rod is arranged corresponding to the limiting drive plate; the bottoms of the two piston cylinders are connected with a glue injection seat, and two groups of glue inlet assemblies and two groups of glue outlet assemblies are arranged in the glue injection seat; the glue inlet assembly comprises a glue inlet pipeline, and a glue inlet valve is arranged in the glue inlet pipeline; the glue outlet assembly comprises a glue outlet pipeline, and an outlet of the glue outlet pipeline is communicated with a nozzle; a glue outlet valve is arranged in the glue outlet pipeline; the mixing pipe is connected between the nozzle and the vacuum anti-drip valve; the middle part of the valve body of the vacuum anti-drip valve is provided with a through hole for the penetration and positioning of a rubber filling pipe; a pair of pressing pistons are arranged in the valve body and respectively act on two sides of the glue filling pipe; each pressing piston is sleeved with a spring; the periphery of the valve body is also connected with a piston plate, and a high-pressure air path is respectively arranged in the piston plate corresponding to the two pressing pistons; the glue injection port of the glue injection pipe extends into the vacuum glue injection working chamber; a three-axis working table surface is arranged in the vacuum glue pouring working chamber, a tool clamp is fixedly arranged on the working table surface, and the tool clamp is used for positioning a product. Compared with the prior art, the utility model is suitable for glue with high viscosity, large density and more fillers, and has abrasion resistance and accurate dosage; in addition, the device has the advantages of simple and compact structure, small volume and convenient maintenance.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. A double-component drip-proof vacuum glue pouring device; the method is characterized in that: the device comprises an equipment rack, and a double-component piston type dose glue injection head, a mixing pipe, a vacuum drip-proof valve and a vacuum glue injection working chamber which are arranged on the equipment rack from top to bottom; wherein,
the double-component piston type dose glue injection head comprises a driving module and a glue injection module;
the driving module comprises a motor and a limit driving plate which is driven by the motor and can vertically move in the up-down direction;
the glue injection module is arranged below the limit driving plate and comprises two groups of piston cylinders, and each group of piston cylinders corresponds to glue of one component; each piston cylinder is internally provided with a piston cavity for a piston assembly to slide and assemble; the inner wall of the piston cylinder is provided with a ceramic piston sleeve, and the piston assembly comprises a piston head at the lower part and a piston rod connected and arranged above the piston head; the periphery of the piston head is attached to the ceramic piston sleeve, and the upper end of the piston rod extends out of the top of the piston cylinder and is arranged corresponding to the limiting driving plate;
the bottoms of the two piston cylinders are connected with a glue injection seat, two groups of glue inlet assemblies and two groups of glue outlet assemblies are arranged in the glue injection seat corresponding to the two piston cylinders, and one group of glue inlet assemblies and one group of glue outlet assemblies correspond to one piston cylinder; and a glue inlet component corresponds to glue of one component;
each glue inlet assembly comprises a glue inlet pipeline, an inlet of the glue inlet pipeline is communicated with a glue inlet of glue, and an outlet of the glue inlet pipeline is communicated with a piston cavity of the piston cylinder; the glue inlet pipeline is internally provided with a glue inlet valve which is used for opening or closing the glue inlet pipeline to form the glue inlet assembly for controlling the glue to be injected into the piston cavity;
each glue outlet assembly comprises a glue outlet pipeline, an inlet of the glue outlet pipeline is communicated with the piston cavity of the piston cylinder, an outlet of the glue outlet pipeline is communicated with a nozzle, and the nozzle is fixedly arranged below the glue injection seat; the glue outlet pipeline is internally provided with a glue outlet valve which is used for opening or closing the glue outlet pipeline to form the glue outlet assembly for controlling the glue to flow from the piston cylinder to the nozzle;
the mixing pipe is vertically arranged, the upper end of the mixing pipe is connected with the nozzle, the lower end of the mixing pipe is connected with a glue filling pipe of the vacuum anti-dripping valve, and the mixing pipe is used for mixing two components of glue flowing out of the nozzle and sending the glue into the vacuum anti-dripping valve;
the vacuum drip-proof valve comprises a valve body, wherein a through hole is formed in the middle of the valve body along the height direction of the valve body, and the through hole is used for penetrating, positioning and detachably arranging the flexible rubber filling pipe; the flexible glue filling pipe is vertically arranged, the upper end of the flexible glue filling pipe is provided with a glue inlet, and the lower end of the flexible glue filling pipe is provided with a glue injection port; a cavity is formed in the valve body, a pair of pressing pistons are movably assembled in the cavity in the horizontal direction, the two pressing pistons respectively act on two sides of the rubber filling pipe, and when the two pressing pistons perform relative displacement, the two sides of the rubber filling pipe are simultaneously extruded, so that the rubber filling pipe is sealed off;
each pressing piston is sleeved with a spring, and the spring acts between the pressing piston and the valve body to ensure that the pressing piston does not extrude the rubber filling pipe and ensure the smoothness of the rubber filling pipe;
a piston plate is further connected to the periphery of the valve body, a high-pressure air path is respectively formed in the piston plate corresponding to the two pressing pistons, one end of the high-pressure air path is communicated with the outer ends of the pressing pistons, and the other end of the high-pressure air path is communicated with a high-pressure air source; the high-pressure gas source is used for conveying high-pressure gas into the high-pressure gas circuit, and the gas pressure value of the high-pressure gas is greater than the elastic force value of the spring, so that when the high-pressure gas source supplies gas, the two pressing pistons are pushed by the high-pressure gas to extrude two sides of the rubber filling pipe;
the glue injection port of the glue injection pipe extends into the upper part of the vacuum glue injection working chamber; a three-axis working table surface is arranged in the vacuum glue pouring working chamber, a tool clamp is fixedly arranged on the working table surface, and the tool clamp is used for positioning a product.
2. The two-component drip-proof vacuum glue-pouring equipment according to claim 1, characterized in that: the driving module also comprises a screw rod which is coaxially connected with an output shaft of the motor in a transmission way; the limit driving plate is connected to the screw rod, so that the limit driving plate can vertically move in the up-down direction when the screw rod rotates.
3. The two-component drip-proof vacuum glue-pouring equipment according to claim 1, characterized in that: the glue inlet valve and the glue outlet valve respectively comprise a valve body, a pressing block is movably assembled in the valve body, the pressing block acts on the glue inlet pipeline or the glue outlet pipeline, and the glue inlet pipeline or the glue outlet pipeline is closed when the pressing block is displaced;
the pressing block is sleeved with a spring, and the spring acts between the pressing block and the valve body to ensure that the pressing block does not displace, so that the glue inlet pipeline or the glue outlet pipeline is kept smooth;
the valve body is also connected with an air circuit board, the air circuit board is provided with a high-pressure air circuit corresponding to the pressing block, one end of the high-pressure air circuit acts on the outer end of the pressing block, and the other end of the high-pressure air circuit is communicated with a high-pressure air source; the high-pressure gas source is used for conveying high-pressure gas to the high-pressure gas circuit, and the air pressure value of the high-pressure gas is larger than the elastic force value of the spring, so that when the high-pressure gas source supplies gas, the pressing block is pushed by the high-pressure gas to generate displacement, and the glue inlet pipeline or the glue outlet pipeline is closed.
4. The two-component drip-proof vacuum glue-pouring equipment according to claim 1, characterized in that: and a position sensor is also arranged on the limiting driving plate of the driving module corresponding to the upper end of the piston rod.
5. The two-component drip-proof vacuum glue-pouring equipment according to claim 1, characterized in that: the through hole is also provided with a guide sleeve, and the guide sleeve is vertically adjustable in height in the through hole; the uide bushing is the tubulose, the rubber-impregnated tube is detachable wears to set for being located this uide bushing.
6. The two-component drip-proof vacuum glue-pouring equipment according to claim 1, characterized in that: the vacuum anti-dripping valve further comprises a diaphragm, and the diaphragm is arranged between the piston plate and the valve body and used for sealing the cavity of the valve body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720285335.1U CN206604681U (en) | 2017-03-22 | 2017-03-22 | A kind of antidrip vacuum glue pouring equipment of two-component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720285335.1U CN206604681U (en) | 2017-03-22 | 2017-03-22 | A kind of antidrip vacuum glue pouring equipment of two-component |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108554726A (en) * | 2018-06-25 | 2018-09-21 | 江苏瑞合硕电子科技有限公司 | The antidrip vacuum glue of two-component fills machine |
| CN111940228A (en) * | 2020-07-14 | 2020-11-17 | 中国人民解放军第五七一九工厂 | Aero-engine fan casing sealant forming tool and vacuum filling device |
| CN112756191A (en) * | 2020-12-24 | 2021-05-07 | 周景 | High-precision glue pouring equipment |
-
2017
- 2017-03-22 CN CN201720285335.1U patent/CN206604681U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108554726A (en) * | 2018-06-25 | 2018-09-21 | 江苏瑞合硕电子科技有限公司 | The antidrip vacuum glue of two-component fills machine |
| CN111940228A (en) * | 2020-07-14 | 2020-11-17 | 中国人民解放军第五七一九工厂 | Aero-engine fan casing sealant forming tool and vacuum filling device |
| CN112756191A (en) * | 2020-12-24 | 2021-05-07 | 周景 | High-precision glue pouring equipment |
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