CN202667091U - Batch-type extrusion coating machine - Google Patents
Batch-type extrusion coating machine Download PDFInfo
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- CN202667091U CN202667091U CN 201220209437 CN201220209437U CN202667091U CN 202667091 U CN202667091 U CN 202667091U CN 201220209437 CN201220209437 CN 201220209437 CN 201220209437 U CN201220209437 U CN 201220209437U CN 202667091 U CN202667091 U CN 202667091U
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Abstract
The utility model discloses a batch-type extrusion coating machine which comprises high-speed changeover valves and an extrusion head. The extrusion head is provided with a cavity for buffering slurry and a seam mouth which is communicated with the cavity and used for coating the slurry on a base body. The high-speed changeover valves are connected between a slurring tank and the extrusion head and used for intermittently cutting off a feed channel of the extrusion head. The extrusion head is further provided with connectors communicated with the cavity. The connectors are connected with a slurry buffer tank through pipelines. A pumping opening is disposed in a position of the slurry buffer tank higher than the joints of pipelines. The pumping opening is connected with a pumping unit for pumping air. Switching valves for control break-make of the pipelines are arranged on the pipelines. The switching valves are in linkage with the high-speed changeover valves. When coating begins or pauses, the pumping unit generates a sucking-back function for the slurry so that slurry volume at the beginning of coating is decreased. When the coating pauses, the pumping unit can quickly cut off the slurry and achieves controlling of the thickness of the head and the end and uniformity of a tailing at the time of coating pause.
Description
Technical field
The utility model relates to the coating field, relates in particular to a kind of intermittent extrusion type coating machine.
Background technology
Coating is widely used in the industries such as new forms of energy battery, solar cell, blooming, flexible PCB, also is the critical process that directly affects product quality.Coating is exactly the pasty state viscous paste of making, uniformly, continuously or on the positive and negative two sides that is coated in matrix (aluminium foil or Copper Foil) of being interrupted, and the process of then drying.
Main transfer type and the squash type of adopting of existing coating.By experiment, the extrusion coater technology is increasingly mature, and its frame for movement is simple, and device miniaturization is saved the space, and debugging is convenient, the coating precision is high, coating speed is high.
Extrusion coater can be realized intermittently coating by the high speed transfer valve, because the high speed piston of high speed transfer valve moves up and down, slurry is produced thrust or the pulling force of moment, cause the coating phenomenons such as intermittently the position head is partially thick, afterbody is irregular, afterbody is partially thin, be the bottleneck of restriction Intermittent pneumatic compression coating precision always.
The utility model content
The technical problem that the utility model mainly solves provides a kind of intermittent extrusion type coating machine that improves Intermittent pneumatic compression coating precision.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of intermittent extrusion type coating machine is provided, comprise high speed transfer valve and extrusion head, described extrusion head is provided with for the cavity of buffer memory slurry and the sealing that is used for slurry is coated on matrix that is communicated with described cavity, described high speed transfer valve is connected between size barrel and the extrusion head, be used for cutting off off and on the feeder channel of extrusion head, also be provided with the interface that is communicated with described cavity on the described extrusion head, described interface is connected to a slurry buffer tank by pipeline, the position that is higher than pipeline junction at the slurry buffer tank offers pump orifice, described pump orifice connects for the aspirator of bleeding, also be provided with the switch valve for control pipeline break-make in the described pipeline, described switch valve and the interlock of described high speed transfer valve, switch valve is closed the cutting out pipeline path when the normal coating of extrusion head and gap, and switch valve is opened and made described pipeline unobstructed when the high speed transfer valve cuts off feeder channel and recovers feed.
Wherein, described interface is arranged at the both sides of extrusion head, and two interfaces are connected to respectively the sidewall of slurry buffer tank by pipeline; Described pump orifice is positioned at slurry buffer tank top; Also offer the backflow of slurry mouth in slurry buffer tank bottom, described backflow of slurry mouth is connected to size barrel by a return duct with valve.
Wherein, described switch valve is arranged near on the pipeline of extrusion head side.
Wherein, described pipeline is stainless steel tube or Teflon flexible pipe.
Wherein, described aspirator comprises vacuum extractor and is used for controlling the drive motors of described vacuum extractor vacuum that described vacuum extractor connects described pump orifice.
Wherein, described aspirator is the piston type aspirator, comprises cylinder, is arranged in the cylinder and the piston that cylinder is adaptive and the linear actuator that moves for control piston, and the pump orifice of described slurry buffer tank is communicated with the cylinder of described piston type aspirator.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: a kind of clearance-type extrusion coating machine is provided, save the high speed transfer valve that is connected in the technique scheme between size barrel and the extrusion head, described switch valve is closed the cutting out pipeline path when extrusion head is coated with, open to make pipeline unobstructed when coating clearance.
The beneficial effects of the utility model are: be different from the existing intermittent extrusion type coating machine because the high speed piston of high speed transfer valve moves up and down, slurry is produced thrust or the pulling force of moment, cause the coating problems such as intermittently the position head is partially thick, afterbody is irregular, afterbody is partially thin, the utility model increases the interface that is communicated with cavity at extrusion head, adopt pipeline that interface is connected with aspirator, design slurry buffer tank prevents that to store the part slurry from the extrusion head sucking-off slurry from entering aspirator and causing parts damages between aspirator and extrusion head; The pipeline that is connected between aspirator and extrusion head arranges switch valve, the action sequence of cooperation high speed transfer valve cuts off or opens the path between aspirator and the extrusion head, effect reduces the amount of slurry that is coated on the matrix to aspirator to the generation of the slurry in extrusion head suck-back when beginning to be coated with, when intermittence slurry being carried out suck-back can disconnect rapidly the slurry that is coated on the matrix, realization is to intermittently coating control end to end, increased substantially Intermittent pneumatic compression coating precision, intermittently the thickness abnormity zone can be reduced to 3mm by original 8mm end to end; The thickness error scope can by original-10 μ m ~+10 μ m, be reduced to-5 μ m ~ 0; Afterbody hangover regularity is reduced to ± 0.5mm by original ± 1mm.
In addition, intermittent extrusion type coating machine of the present utility model can also pass through extrusion head, aspirator and switch valve and independently realize intermittently function of extrusion coated, saves high speed transfer valve and control system thereof, simplifies the internal structure of an organization.
Description of drawings
Fig. 1 is the structural representation of the utility model intermittent extrusion type coating machine one embodiment;
Fig. 2 is side direction structural representation embodiment illustrated in fig. 1;
Fig. 3 is the structural representation of another embodiment of the utility model intermittent extrusion type coating machine;
Fig. 4 is the side direction structural representation of the described embodiment of Fig. 3;
Fig. 5 is the structural representation of the another embodiment of the utility model intermittent extrusion type coating machine.
Label declaration:
1, extrusion head; 11, cavity; 12, sealing; 13, interface; 2, high speed transfer valve; 21, the first spool; 22, the second spool; 23, return flow line; 3, pipeline; 4, slurry buffer tank; 41, pump orifice; 42, backflow of slurry mouth; 5, aspirator; 51, vacuum extractor; 52, drive motors; 51a, cylinder; 52a, piston; 53a, linear actuator; 6, switch valve; 7, valve; 8, return duct.
The specific embodiment
By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, below in conjunction with embodiment and cooperate that accompanying drawing is detailed to give explanation.
And intermittent extrusion type coating machine of the present utility model proposes based on following thought: be that slurry is offered extrusion head in the batch (-type) extrusion coated method of routine, sealing batch (-type) ground from extrusion head applies slurry to matrix again, and increases following steps in the intermittent extrusion type coating machine of the present utility model:
1, when extrusion head begins to apply slurry to matrix, the slurry at extrusion head sealing place is carried out suck-back make backflow of slurry;
2, when extrusion head stops to apply slurry to matrix, the slurry at extrusion head sealing place is carried out suck-back make backflow of slurry.
The meaning of above-mentioned steps is: when beginning to be coated with, make slurry in the extrusion head the moment of beginning feed trace reflux, reduce the amount of slurry that is coated on the base material, can effectively control the thickness that intermittently is coated with head; And when extrusion head stops to be coated with when intermittence, slurry moment is refluxed, the slurry that is coated on the matrix can be disconnected rapidly, so effectively the control regularity that afterbody trails intermittently the time.
In addition, can also collect storage and make slurry be recycled to size barrel for the slurry that suck-back in above-mentioned steps 1 and the step 2 refluxes, to save slurry.
Based on above-mentioned thought, the utility model provides intermittent extrusion type coating machine as described below.
See also Fig. 1 and Fig. 2, in one embodiment, this intermittent extrusion type coating machine comprises high speed transfer valve 2 and extrusion head 1, extrusion head 1 is provided with for the cavity 11 of buffer memory slurry and the sealing 12 that is used for slurry is coated on matrix that is communicated with cavity 11, high speed transfer valve 2 is connected between size barrel and the extrusion head 1, be used for cutting off off and on the feeder channel of extrusion head 1, in at present common coating machine, this high speed transfer valve 2 generally is to be communicated with by a triple-valve body and a two-way valve body to consist of, the import of triple-valve body connects size barrel, one of them outlet connects the import of two-way valve body, another outlet is return flow line 23, the switching of the passage of slurry realizes by the first spool 21 in the triple-valve body, the outlet of two-way valve body connects the cavity 11 of extrusion head 1, and the passage break-make of slurry realizes by the second spool 22 in the two-way valve body.
In said structure, pipeline and return duct more preferably are chosen as stainless steel tube or Teflon flexible pipe.
See also Fig. 3 and Fig. 4, in another embodiment, the structure of intermittent extrusion type coating machine is other than some microcell of Fig. 1 structure shown in Figure 2.In the present embodiment, extrusion head 1 both sides are from Base top contact interface 13, similarly, this interface 13 is connected to the sidewall of slurry buffer tank 4 by pipeline 3, and slurry buffer tank 4 tops connect aspirator 5, under this structure, the length of pipeline 3 can shorten, and reduces the operating distance of aspirator 5.Certainly the quantity of interface 13 and position are not the dual mode shown in only having at present, can arrange as required in actual applications, for example can only at extrusion head 1 middle part an interface 13 be set, add at extrusion head 1 two ends that perhaps the middle part all respectively arranges an interface 13, when interface 13 positions and number change, pipeline 3 also correspondingly changes.In the present embodiment, aspirator 5 is the piston type aspirator, comprise cylinder 51a, be arranged in the cylinder 51a and the piston 52a that cylinder 51a is adaptive and the linear actuator 53a that moves for control piston 52a that the pump orifice 41 of slurry buffer tank 4 is communicated with the cylinder 51a of piston type aspirator 5.
The intermittent extrusion type coating machine course of work of above-mentioned two kinds of structure embodiment is as follows:
Slurry enters the cavity 11 of extrusion head 1 through high speed transfer valve 2, evenly flow out through extrusion head 1 sealing 12 again and realize coating, when needs intermittently the time, 2 actions of high speed transfer valve, the second spool 22 cuts off the feeder channel of extrusion heads 1, and the first spool 21 is opened the slurry import 23 path is made slurry 23 be back in the size barrel through the return flow line to the return flow line simultaneously.In this course of action, the switch valve 6 that is connected to extrusion head 1 both sides or end interface 13 is opened, its opening time cooperates the actuation time of high speed transfer valve 2, the slurry of extrusion head 1 sealing 12 is refluxed at the suck-back effect trace of lower moment of vacuum extractor 51 or piston type aspirator, its capacity of returns is determined by the opening time of switch valve 6, when capacity of returns was fit to, switch valve 6 was closed rapidly, prevented from refluxing under feeding when too much causing applying because of suck-back.Because slurry moment backflow can disconnect rapidly the slurry that is coated on the matrix, the regularity of afterbody hangover in the time of can effectively controlling intermittently.
When intermittently complete, when beginning to apply, 2 actions of high speed transfer valve, the interior passage that refluxes of the first spool 21 stop valves, the second spool 22 is opened the feeder channel of extrusion head 1 simultaneously, and it is also extrusion coated that slurry is filled rapidly.In this course of action, the switch valve 6 that is connected to extrusion head 1 both sides or end interface 13 is opened, its opening time cooperates the actuation time of high speed transfer valve 2, the slurry of extrusion head 1 sealing 12 is refluxed at the suck-back effect trace of lower moment of vacuum extractor 51 or piston type aspirator, the capacity of returns of this moment is except the opening time by switch valve determines, also must control the vacuum of vacuum extractor 51 or the stroke of piston type aspirator, when capacity of returns is fit to, switch valve 6 is closed rapidly, prevents from too much causing applying the partially thin out-of-size scope of head thickness because suck-back refluxes.Because slurry moment trace refluxes, the amount of slurry that is coated on the matrix is reduced, can effectively control the thickness that intermittently is coated with head.
Be evacuated the slurry that device 51 or piston type aspirator moment suck back, can flow in the slurry buffer tank 4 through pipeline 3, and be deposited on this, because pump orifice 41 is arranged at slurry buffer tank 4 tops, be higher than liquid level, slurry buffer tank 4 has enough space storing slurries, so slurry can not enter among the cylinder 51a of vacuum extractor 51 or piston type aspirator because of suction force.
In the period that the switch valve 6 of extrusion head 1 both sides or end is closed, the valve 7 of slurry buffer tank 4 bottoms can be opened, and slurry is back in the size barrel through return duct 8, realizes the recycling of slurry.
Consult Fig. 5, in one embodiment, intermittent extrusion type coating machine of the present utility model can also be removed the high speed transfer valve, other structures are same as the previously described embodiments, by switch valve 6 and aspirator 5 cooperate realize that coating intermittently, particularly, switch valve 6 is closed with cutting out pipeline 3 paths when extrusion head 1 coating, opens during intermittence in coating to make pipeline 3 unobstructed.In this embodiment, saved high speed transfer valve and control system thereof, simplified the structure.
Its course of work is as follows:
The continuous charging aperture through extrusion head 1 of slurry meeting feeds in the extrusion head cavity 11, and when coating, the switch valve 6 of extrusion head 1 both sides or end is closed, and slurry evenly flows out the realization coating through the sealing 12 of extrusion head 1; When needs are realized intermittently, the switch valve 6 of extrusion head 1 both sides or end is opened rapidly, slurry is in the suck-back effect backflow of lower moment of aspirator 5, the capacity of returns of this moment is fully by the vacuum of aspirator 5(vacuum extractor 51 or the cylinder 51a stroke of piston type aspirator) control, make capacity of returns and feed quantity balance, slurry enters in the slurry buffer tank 4 through pipeline 3 by the interface 13 of extrusion head 1, and can not flow out through the sealing 12 of extrusion head 1, to realize intermittently function.Because being evacuated the amount of slurry that device 51 or piston type aspirator draw back in the time of intermittently can be larger, therefore must be equipped with large slurry buffer tank 4.In the period that the switch valve 6 of extrusion head 1 both sides or end is closed, the valve 7 of slurry buffer tank 4 bottoms can be opened, and slurry is back in the size barrel through return duct 8, realizes the recycling of slurry and empties slurry buffer tank 4 so that work intermittently next time.
The beneficial effect of intermittent extrusion type coating machine of the present utility model is: be different from the existing intermittent extrusion type coating machine because the high speed piston of high speed transfer valve moves up and down, slurry is produced thrust or the pulling force of moment, intermittently the position head is partially thick to cause coating, afterbody is irregular, the problems such as afterbody is partially thin, the utility model increases the interface that is communicated with cavity at extrusion head, adopt pipeline that interface is connected with aspirator, design slurry buffer tank prevents that to store the part slurry from the extrusion head sucking-off slurry from entering aspirator and causing parts damages between aspirator and extrusion head; The pipeline that is connected between aspirator and extrusion head arranges switch valve, the action sequence of cooperation high speed transfer valve cuts off or opens the path between aspirator and the extrusion head, effect reduces the amount of slurry that is coated on the matrix to aspirator to the generation of the slurry in extrusion head suck-back when beginning to be coated with, when intermittence slurry being carried out suck-back can disconnect rapidly the slurry that is coated on the matrix, realization is to intermittently coating control end to end, increased substantially Intermittent pneumatic compression coating precision, intermittently the thickness abnormity zone can be reduced to 3mm by original 8mm end to end; The thickness error scope can by original-10 μ m ~+10 μ m, be reduced to-5 μ m ~ 0; Afterbody hangover regularity is reduced to ± 0.5mm by original ± 1mm.
In addition, intermittent extrusion type coating machine of the present utility model can also pass through extrusion head, aspirator and switch valve and independently realize intermittently function of extrusion coated, saves high speed transfer valve and control system thereof, simplifies the internal structure of an organization.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (7)
1. intermittent extrusion type coating machine, comprise high speed transfer valve and extrusion head, described extrusion head is provided with for the cavity of buffer memory slurry and the sealing that is used for slurry is coated on matrix that is communicated with described cavity, described high speed transfer valve is connected between size barrel and the extrusion head, be used for cutting off off and on the feeder channel of extrusion head, it is characterized in that: also be provided with the interface that is communicated with described cavity on the described extrusion head, described interface is connected to a slurry buffer tank by pipeline, the position that is higher than pipeline junction at the slurry buffer tank offers pump orifice, described pump orifice connects for the aspirator of bleeding, also be provided with the switch valve for control pipeline break-make in the described pipeline, described switch valve and the interlock of described high speed transfer valve, switch valve is closed the cutting out pipeline path when the normal coating of extrusion head and gap, and switch valve is opened and made described pipeline unobstructed when the high speed transfer valve cuts off feeder channel and recovers feed.
2. intermittent extrusion type coating machine according to claim 1, it is characterized in that: described interface is arranged at the both sides of extrusion head, and two interfaces are connected to respectively the sidewall of slurry buffer tank by pipeline; Described pump orifice is positioned at slurry buffer tank top; Also offer the backflow of slurry mouth in slurry buffer tank bottom, described backflow of slurry mouth is connected to size barrel by a return duct with valve.
3. intermittent extrusion type coating machine according to claim 1 is characterized in that: described switch valve is arranged near on the pipeline of extrusion head side.
4. intermittent extrusion type coating machine according to claim 1, it is characterized in that: described pipeline is stainless steel tube or Teflon flexible pipe.
5. each described intermittent extrusion type coating machine according to claim 1-4 is characterized in that: described aspirator comprises vacuum extractor and is used for controlling the drive motors of described vacuum extractor vacuum that described vacuum extractor connects described pump orifice.
6. each described intermittent extrusion type coating machine according to claim 1-4, it is characterized in that: described aspirator is the piston type aspirator, comprise cylinder, be arranged in the cylinder and the piston that cylinder is adaptive and the linear actuator that moves for control piston that the pump orifice of described slurry buffer tank is communicated with the cylinder of described piston type aspirator.
7. each described intermittent extrusion type coating machine according to claim 1-6, it is characterized in that: save the high speed transfer valve that is connected between size barrel and the extrusion head, described switch valve is closed the cutting out pipeline path when extrusion head is coated with, open to make pipeline unobstructed when coating clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220209437 CN202667091U (en) | 2012-05-10 | 2012-05-10 | Batch-type extrusion coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220209437 CN202667091U (en) | 2012-05-10 | 2012-05-10 | Batch-type extrusion coating machine |
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|---|---|
| CN202667091U true CN202667091U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220209437 Withdrawn - After Issue CN202667091U (en) | 2012-05-10 | 2012-05-10 | Batch-type extrusion coating machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658255A (en) * | 2012-05-10 | 2012-09-12 | 深圳市浩能科技有限公司 | Intermittent extrusion coater and coating method |
| CN104841605A (en) * | 2015-05-05 | 2015-08-19 | 深圳市浩能科技有限公司 | Intermittent blank coating method and equipment for implementing intermittent blank coating method |
-
2012
- 2012-05-10 CN CN 201220209437 patent/CN202667091U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658255A (en) * | 2012-05-10 | 2012-09-12 | 深圳市浩能科技有限公司 | Intermittent extrusion coater and coating method |
| CN104841605A (en) * | 2015-05-05 | 2015-08-19 | 深圳市浩能科技有限公司 | Intermittent blank coating method and equipment for implementing intermittent blank coating method |
| CN104841605B (en) * | 2015-05-05 | 2017-08-25 | 深圳市浩能科技有限公司 | Interval blank coating method and the equipment for realizing this method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20131030 |
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| RGAV | Abandon patent right to avoid regrant |