CN213194371U - Slit type extrusion coating head - Google Patents
Slit type extrusion coating head Download PDFInfo
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- CN213194371U CN213194371U CN202021996207.6U CN202021996207U CN213194371U CN 213194371 U CN213194371 U CN 213194371U CN 202021996207 U CN202021996207 U CN 202021996207U CN 213194371 U CN213194371 U CN 213194371U
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- cope match
- plate pattern
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Abstract
The application relates to a coating head is extruded to slot type, including cope match-plate pattern and lower bolster, be equipped with into jiao kou on the cope match-plate pattern, be formed with the cavity that holds that is used for buffer memory glue solution between cope match-plate pattern and the lower bolster jointly, one side that cope match-plate pattern and lower bolster kept away from into jiao kou has been seted up out gluey groove. This application has improved the problem that the glue solution produced the resistance to advancing the gluey mouth and continuously carrying the glue solution in holding the cavity, has improved production efficiency.
Description
Technical Field
The application relates to the technical field of coating machines, in particular to a slit type extrusion coating head.
Background
The coating machine is mainly used for the surface coating process production of films and paper, and mainly comprises the steps of coating a layer of glue, paint or ink with a specific function on a coiled substrate, drying and rolling. In the coating industry today, the most common coating methods are gravure coating and slot die extrusion coating. The slit type extrusion coating head has the advantages of high precision, good stability, wide application range, easiness in disassembly and cleaning and the like, and the production efficiency is greatly improved.
The existing slit extrusion coating head with the authorization notice number of CN205146597U comprises an upper die and a lower die which are spliced with each other, wherein a lower die cavity and an extrusion groove extending from the lower die cavity to the front end of the lower die are arranged in the lower die, the lower die cavity is V-shaped, two sides of the lower die cavity are closer to the front end of the lower die than the middle part of the lower die cavity, and a glue inlet communicated with the middle part of the lower die cavity is arranged in the lower die. The lower die cavity structure improved by the technical scheme can reduce debugging time and waste of raw materials.
In the above related art, the inventor thinks that in the continuous production process, when the glue solution is conveyed from the glue inlet to the lower mold cavity, the glue inlet continuously enters the lower mold cavity from the glue inlet, the glue inlet is arranged in the lower mold cavity, when the glue solution is conveyed, the gravity of the glue solution in the lower mold cavity needs to be overcome, so that resistance is generated to the continuous glue solution inlet to the lower mold cavity, and the continuous glue solution conveying to the lower mold cavity is not facilitated.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem that the glue solution in the lower die cavity continuously enters the glue inlet to generate resistance, the application provides a slit type extrusion coating head.
The application provides a slit type extrusion coating head adopts following technical scheme: the utility model provides a coating head is extruded to slot type, includes cope match-plate pattern and lower bolster, be equipped with into jiao kou on the cope match-plate pattern, be formed with the chamber that holds that is used for buffer memory glue solution between cope match-plate pattern and the lower bolster jointly, the groove of gluing has been seted up to cope match-plate pattern and one side that the lower bolster is kept away from into jiao kou.
Through adopting above-mentioned technical scheme, the glue solution is through advancing gluey mouth and to holding the intracavity and carry the glue solution, until holding the cavity intussuseption and being full of the glue solution, when continuing to hold the intracavity and annotating the glue solution, the glue solution is constantly extruded from play gluey groove, because it is located the cope match-plate pattern to advance gluey mouthful, when holding the cavity and carrying the glue solution towards, it is not at same height with a gluey groove to advance gluey mouthful, it is higher than the position of play gluey groove to advance the height of gluing mouthful, it sets up in one side of holding the cavity top to advance gluey mouthful, the extrusion of glue solution to advancing gluey mouthful department glue solution in having reduced and holding the cavity, reduce and hold the resistance that the glue solution advances gluey to advancing gluey mouthful through advancing glue.
Preferably, a first buffer groove is formed in one side, facing the lower template, of the upper template, a second buffer groove is formed in one side, facing the upper template, of the lower template, and the first buffer groove and the second buffer groove form an accommodating cavity for caching glue solution.
Through adopting above-mentioned technical scheme, advance gluey mouth and first buffer tank intercommunication, when carrying the glue solution in the orientation holds the cavity, the glue solution is extruded through the holding cavity that first buffer tank and second buffer tank formed, reduces in the holding cavity glue solution and advances gluey resistance to advancing gluey mouth.
Preferably, the groove walls of the first buffer groove and the second buffer groove are both arc-shaped, and when the upper template and the lower template are closed, the first buffer groove and the second buffer groove form a cylindrical cavity.
Through adopting above-mentioned technical scheme, after in-service use a period, need extrude the first dashpot and the second dashpot that scribble in the leftover of bolt of cloth to the slit type and wash, the first dashpot and the second dashpot cell wall that arc set up are convenient for wash.
Preferably, the glue inlet is formed in the middle of the upper template in the length direction.
Through adopting above-mentioned technical scheme, set up the mouth of advancing glue in cope match-plate pattern middle part, be convenient for through advancing the mouth of gluing towards holding the cavity both sides and flowing, reduce the glue solution of advancing mouth of gluing towards both sides flow time, also make the thickness of filming more even simultaneously.
Preferably, the first breach has been seted up to one side that the cope match-plate pattern was kept away from into jiao kou, and first breach setting is in the junction of cope match-plate pattern and lower bolster, and the second breach has been seted up to one side that the lower bolster was kept away from into jiao kou, and the second breach setting is in the junction with the cope match-plate pattern, and first breach and second breach have formed the play glue groove that is used for the glue solution to flow out, advance jiao kou, hold the cavity and go out the glue groove and communicate each other.
Through adopting above-mentioned technical scheme, the setting of first breach and second breach is convenient for process cope match-plate pattern and lower bolster, when forming out the glue solution of extruding in the gluey groove by first breach and second breach for the effort size evenly distributed that cope match-plate pattern and lower bolster received.
Preferably, the connecting part of the first notch on the first buffer slot and the upper template and the connecting part of the second notch on the second buffer slot and the lower template are both provided with a rounding angle.
Through adopting above-mentioned technical scheme, when the glue solution was extruded towards play gluey groove department holding the cavity, the fillet setting was all done with the junction of first breach, second holding tank and the junction of second breach to first holding tank, has reduced the resistance of first holding tank and second holding tank cell wall to going out the glue solution.
Preferably, along cope match-plate pattern length direction, the cope match-plate pattern is close to into jiao kou top and is equipped with more than two sets of mounting holes, wears to be equipped with mounting bolt in the mounting hole on the cope match-plate pattern, mounting bolt lower extreme and lower bolster threaded connection.
By adopting the technical scheme, the upper template and the lower template are fixedly connected through the mounting bolts, so that the upper template and the lower template are more firmly fixed.
Preferably, fastening bolts are arranged between adjacent mounting holes along the width direction of the upper template.
Through adopting above-mentioned technical scheme, fastening bolt has further strengthened the connection compactness of cope match-plate pattern and lower bolster for it is sealed between first dashpot and the second dashpot.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the glue solution flows into the accommodating cavity through the glue inlet until the accommodating cavity is filled with the glue solution, the glue solution is continuously conveyed into the glue inlet, the glue outlet is continuously extruded from the glue outlet, the glue inlet is positioned on the upper template, when the glue solution is conveyed towards the accommodating cavity, the glue inlet and the glue outlet are not at the same height, the height of the glue inlet is higher than that of the glue outlet, the extrusion of the glue solution in the accommodating cavity to the glue solution at the glue inlet is reduced, the resistance of the glue solution in the accommodating cavity to the glue inlet is reduced, and the coated glue film is more uniform;
2. the fillet at the edge of the first buffer groove and the second buffer groove is processed to reduce the resistance of the groove walls of the first buffer groove and the second buffer groove to the extrusion of the glue solution, so that the glue solution is favorably extruded from the accommodating cavity.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
Fig. 2 is a partial cross-sectional view of a slit extrusion coating head according to the present application.
Fig. 3 is a schematic structural diagram of another view angle of the slit extrusion coating head of the present application.
Fig. 4 is an enlarged schematic view of a portion a of fig. 3.
Description of reference numerals: 1. mounting a template; 11. a first buffer tank; 12. a glue inlet; 2. a lower template; 21. a second buffer tank; 3. feeding a rubber tube; 4. a glue outlet groove; 41. a first notch; 42. a second notch; 5. connecting blocks; 6. installing a bolt; 7. fastening a bolt; 71. a first stationary group; 72. a second stationary group; 8. and (5) fixing the bolt.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses coating head is extruded to slit formula. Referring to fig. 1, the slit type extrusion coating head comprises an upper template 1 and a lower template 2, wherein a side surface of the upper template 1 and a side surface of the lower template 2 are provided with four connecting blocks 5, two ends of the upper template 1 connected with the lower template 2 are respectively provided with one connecting block, two connecting blocks are arranged along the length direction of the upper template 1 and the length direction of the lower template 2, and the connecting blocks 5 are connected to the upper template 1 and the lower template 2 through bolts. The connecting block 5 not only improves the tightness of the fixed connection of the upper template 1 and one end of the lower template 2, but also facilitates the disassembly for cleaning. And a pull ring is arranged at the end part above the upper template 1, and the slit type extrusion coating head is fixed at a specified position through the pull ring.
Referring to fig. 1 and 2, a glue inlet 12 is formed in one side of the upper template 1, a glue inlet pipe 3 is connected to the position, close to the glue inlet 12, of the upper template 1, and the glue inlet 12 is formed in the middle of the upper template 1 along the length direction of the upper template 1. The upper die plate 1 is provided with a mounting hole near the glue inlet 12, a mounting bolt 6 penetrates through the mounting hole of the upper die plate 1, the lower end of the mounting bolt 6 is in threaded connection with the lower die plate 2, and the upper die plate 1 and the lower die plate 2 are connected. In this embodiment, two sets of mounting holes are provided and are disposed near the glue inlet 12, a row of fastening bolts 7 is provided between adjacent mounting holes of the upper formwork 1 along the length direction of the upper formwork 1, eight fastening bolts 7 are used for illustration, two adjacent fastening bolts 7 are used as one set, two fastening bolts 7 near one end of the upper formwork 1 are both a first fixed set 71, two sets of fastening bolts 7 in the middle of the first fixed set 71 are both a second fixed set 72, and the distance between the adjacent first fixed set 71 and the second fixed set 72 is the same. The spacing between two fastening bolts 7 in the first fixing group 71 is greater than the spacing between two fastening bolts in the second fixing group 72.
Referring to fig. 1 and 2, a fixing bolt 8 is respectively arranged at the end part of the upper template 1 near the mounting hole, the fixing bolt 8 is in the same line with the mounting bolt 6 at the end part of the upper template 1, and the fixing bolt 8 and the two mounting bolts 6 at the end part of the upper template 1 are uniformly arranged along the width direction of the upper template 1. Through the setting of construction bolt 6 and fastening bolt 7, make the driving fit effect better between cope match-plate pattern 1 and the lower bolster 2.
Referring to fig. 2 and 3, the upper die plate 1 has been seted up towards one side of lower die plate 2 first dashpot 11, has been seted up second dashpot 21 on the lower die plate 2, and first dashpot 11 and second dashpot 21 have formed the holding cavity that is used for the glue solution to flow. Referring to fig. 4, a first notch 41 is formed in one side, away from the glue inlet 12, of the upper template 1, the first notch 41 is formed in a joint of the upper template 1 and the lower template 2, a second notch 42 is formed in one side, away from the glue inlet 12, of the lower template 2, the second notch 42 is located in a joint of the upper template 1 and the lower template 2, the first notch 41 and the second notch 42 correspond to each other up and down, and the glue outlet groove 4 is formed in the first notch 41 of the upper template 1 and the second notch 42 of the lower template 2. The glue inlet 12, the accommodating cavity and the glue outlet groove 4 are communicated with each other, so that the filling and the extrusion of glue liquid are realized.
Referring to fig. 1 and 2, the glue solution flows into the containing cavity through the glue inlet tube 3, the glue solution in the glue inlet tube 3 continues to be conveyed into the glue inlet 12, the glue solution is filled in the whole containing cavity, the glue solution is conveyed into the containing cavity continuously towards the glue outlet 4, the glue solution at the glue outlet 4 is continuously extruded, the glue inlet 12 is positioned at one side above the containing cavity, the glue outlet 4 is positioned at the middle position of the containing cavity, the height of the glue inlet 12 is higher than that of the glue outlet 4, and for the glue inlet arranged at the bottom of the containing cavity, the glue inlet 12 is positioned to reduce the extrusion of the glue solution in the containing cavity to the glue inlet 12, the glue resistance of the glue solution in the containing cavity to the glue inlet 12 is reduced, so that the coated glue solution effect is better.
Referring to fig. 2, in order to make the glue solution more easily extruded from the containing cavity, the joint of the first buffer slot 11 and the first notch 41 on the upper template 1, and the joint of the second buffer slot 21 and the second notch 42 on the lower template 2 are rounded. The rounding treatment reduces the resistance of the groove walls of the first buffer groove 11 and the second buffer groove 21 to the glue solution. Meanwhile, the bottoms of the first buffer groove 11 and the second buffer groove 21 are both arc-shaped, so that the first buffer groove 11 of the upper template 1 and the second buffer groove 21 of the lower template 2 after disassembly are convenient to clean after the production and use are carried out for a period of time.
The application principle of the slit type extrusion coating head is as follows: first buffer tank 11 has been seted up at cope match-plate pattern 1, second buffer tank 21 has been seted up on the lower bolster 2, and will advance gluey mouth 12 and set up on cope match-plate pattern 1, the highest point that is higher than second buffer tank 21 through the mouth 12 position of gluing on cope match-plate pattern 1, until being full of the glue solution in holding the cavity, go out gluey groove 4 department and constantly being extruded the glue solution, when carrying the glue solution in holding the cavity towards, it is higher than the position of going out gluey groove 4 to advance gluey mouth 12 position to advance the position of gluing mouth 12, the extrusion of glue solution to advancing gluey mouth 12 department glue solution in having reduced and holding the cavity, reduce and hold the resistance that the glue solution advances gluey mouth 12 and glue in the cavity, make the effect.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a coating head is extruded to slot type, includes cope match-plate pattern (1) and lower bolster (2), its characterized in that: the glue inlet (12) is formed in the upper template (1), a containing cavity used for caching glue liquid is formed between the upper template (1) and the lower template (2), and a glue outlet groove (4) is formed in one side, far away from the glue inlet (12), of the upper template (1) and the lower template (2).
2. A slot extrusion coating head according to claim 1, wherein: first buffer slot (11) have been seted up towards lower bolster (2) one side in cope match-plate pattern (1), have seted up second buffer slot (21) on lower bolster (2) orientation cope match-plate pattern (1) side, first buffer slot (11) and second buffer slot (21) have formed the cavity that holds that is used for the buffer memory glue solution.
3. A slot extrusion coating head according to claim 2, wherein: the groove walls of the first buffer groove (11) and the second buffer groove (21) are both arc-shaped, and when the upper template (1) and the lower template (2) are closed, the first buffer groove (11) and the second buffer groove (21) form a cylindrical cavity.
4. A slot extrusion coating head according to claim 1, wherein: the glue inlet (12) is formed in the middle of the upper template (1) in the length direction.
5. A slot extrusion coating head according to claim 2, wherein: first breach (41) have been seted up to cope match-plate pattern (1) one side of keeping away from into jiao kou (12), first breach (41) set up the junction of cope match-plate pattern (1) and lower bolster (2), second breach (42) have been seted up to one side that lower bolster (2) kept away from into jiao kou (12), second breach (42) set up in the junction with cope match-plate pattern (1), first breach (41) and second breach (42) have formed play gluey groove (4) that are used for the glue solution to extrude, advance jiao kou (12), hold the cavity and go out gluey groove (4) and communicate each other.
6. A slot extrusion coating head according to claim 5, characterized in that: the connecting part of the first notch (41) on the first buffer groove (11) and the upper template (1), and the connecting part of the second notch (42) on the second buffer groove (21) and the lower template (2) are all arranged in a rounding way.
7. A slot extrusion coating head according to claim 1, wherein: along cope match-plate pattern (1) length direction, cope match-plate pattern (1) is close to into jiao kou (12) top and is equipped with more than two sets of mounting holes, wears to be equipped with mounting bolt (6) in the mounting hole of cope match-plate pattern (1), mounting bolt (6) lower extreme and lower bolster (2) threaded connection.
8. The slit extrusion coating head according to claim 7, wherein: and fastening bolts (7) are arranged between the adjacent mounting holes along the width direction of the upper template (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021996207.6U CN213194371U (en) | 2020-09-11 | 2020-09-11 | Slit type extrusion coating head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021996207.6U CN213194371U (en) | 2020-09-11 | 2020-09-11 | Slit type extrusion coating head |
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| Publication Number | Publication Date |
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| CN213194371U true CN213194371U (en) | 2021-05-14 |
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| CN202021996207.6U Active CN213194371U (en) | 2020-09-11 | 2020-09-11 | Slit type extrusion coating head |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115625910A (en) * | 2022-10-17 | 2023-01-20 | 哈尔滨工业大学 | Fiber low-pressure impregnation device for wet winding |
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2020
- 2020-09-11 CN CN202021996207.6U patent/CN213194371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115625910A (en) * | 2022-10-17 | 2023-01-20 | 哈尔滨工业大学 | Fiber low-pressure impregnation device for wet winding |
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