CN112454975A - Preforming extrusion device that production powder coating used - Google Patents
Preforming extrusion device that production powder coating used Download PDFInfo
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- CN112454975A CN112454975A CN202011345668.1A CN202011345668A CN112454975A CN 112454975 A CN112454975 A CN 112454975A CN 202011345668 A CN202011345668 A CN 202011345668A CN 112454975 A CN112454975 A CN 112454975A
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- powder coating
- roller
- extrusion
- extrusion roller
- tabletting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/18—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using profiled rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
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Abstract
The invention relates to the technical field of powder coating production, in particular to a tabletting and extrusion forming device for producing powder coating, which comprises a rear extrusion roller and a front extrusion roller positioned in front of and above the rear extrusion roller, wherein the rear extrusion roller and the front extrusion roller are arranged at intervals to form a compression gap for molten materials to flow and be extruded into a sheet structure, annular convex blocks which are arranged at intervals from left to right are formed on the outer cylinder wall of the front extrusion roller, an annular groove is formed between every two adjacent annular convex blocks, and the forming effect is better.
Description
Technical Field
The invention relates to the technical field of powder coating production, in particular to a tabletting and extrusion forming device for producing powder coating.
Background
The existing tablet press for producing powder coating is various in types, and for example, Chinese patent with application number of 201521092627.0 discloses a tablet press which sequentially comprises a feeding part, a tablet forming part and a crushing part; the feeding part comprises a feeding hole, a feeding hopper positioned below the feeding hole, a material conveying device positioned below the feeding hopper and a heating device positioned at an outlet of the material conveying device; the sheet forming part comprises a sheet roller group positioned below the outlet of the heating device and a conveyor belt positioned below the sheet roller group; the crushing section includes a crushing roller at an end of the conveyor belt.
The existing tablet press has poor extrusion forming effect on molten materials, and the simple planar tablet pressing structure is not easy to control the thickness and the uniformity in the pressing process and is not beneficial to subsequent conveying and crushing.
Disclosure of Invention
The invention aims to provide a tabletting and extrusion forming device for producing powder coating, which has a good forming effect.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a preforming extrusion device that production powder coating used, includes back extrusion roller and is located the preceding extrusion roller of the preceding top of back extrusion roller, back extrusion roller with preceding extrusion roller interval sets up and forms the compression clearance that supplies the melting material to flow in and extrude into lamellar structure, be formed with the annular bulge piece of interval arrangement about preceding extrusion roller urceolus wall, adjacent two form annular groove between the annular bulge piece.
Preferably, the height of the front extrusion roller can be adjusted up and down.
Preferably, the height of the rear extrusion roller can be adjusted up and down.
Preferably, the front extrusion roller is provided with a convex reinforcing strip extending left and right on the outer cylinder wall at the annular groove.
Preferably, the radial thickness of the convex reinforcing strip is smaller than that of the annular convex block.
Preferably, a dust suction device is disposed in each of the left and right regions of the front squeeze roller.
Preferably, the left side dust suction device sucks air leftwards, and the right side dust suction device sucks air rightwards.
Preferably, the annular bump has a corrugated surface formed on an outer peripheral surface thereof.
A powder coating production line comprises the tabletting and extrusion molding device for producing the powder coating.
Preferably, the invention also comprises a tabletting guide device for guiding the molten material to the tabletting extrusion device.
The invention has the beneficial effects that: 1. the tabletting and forming effect is better;
2. the raw material fusion is better;
3. the stress distribution is more optimized;
4. is beneficial to conveying and subsequent crushing.
Drawings
FIG. 1 is a schematic sectional perspective view of a stirring apparatus according to example 1;
fig. 2 is a schematic perspective view of the tablet pressing guide device according to embodiment 2;
FIG. 3 is a schematic perspective view of a tabletting press forming device according to example 3;
FIG. 4 is a schematic perspective view of a cooling apparatus according to embodiment 4;
FIG. 5 is a schematic flow diagram of the production line of example 5 running in process order.
Detailed Description
The following specific examples are given by way of illustration only and not by way of limitation, and it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made in the examples without inventive faculty, and yet still be protected by the scope of the claims.
Embodiment 1, as shown in fig. 1, a stirring apparatus for producing powder coating includes a stirring barrel a, a stirring shaft a1 extending up and down and extending into the stirring barrel a, and a stirring blade a2 fixed on the stirring shaft a1 for stirring raw materials, wherein the stirring shaft a1 is further connected with a frosted body a3 capable of rotating along with the stirring shaft a1, and a greatest improvement of this embodiment is that the raw materials can be frosted while being stirred, so that the surface of the raw materials has a finer frosted surface, so that the adhesion between the crushed raw materials is better, and the subsequent processing, such as a process of heating and tabletting after mixing, is more facilitated. The mixing shaft a, the mixing blade a2 and the mixing shaft a1 can be of conventional structures.
Further, a three-dimensional support a4 which can rotate along with the stirring shaft a1 is fixed at the side of the stirring shaft a1, and a plurality of the sand grinding bodies a3 are assembled on the three-dimensional support a 4. The three-dimensional support a4 can improve the strength of the structure, and is used by the abrasive body a3, so that the structure has better strength, and meanwhile, the three-dimensional support a4 can stir raw materials by driving the abrasive body a3, and the raw materials are stirred by matching with the stirring blade a2, so that the efficiency is also improved.
Preferably, the three-dimensional support a4 includes an annular fixed ring a41 surrounding the periphery of the stirring axle a1, and a plurality of linear reinforcing connecting rods a42 distributed in a circumferential array and fixedly connected between the annular fixed ring a41 and the stirring axle a 1. The annular fixing ring a41 and the stirring shaft a1 may be made of steel, and the fixing manner is preferably realized by welding, and may be detachably fixed by bolts, nuts, and the like.
At least one of the annular fixed ring a41 and the linear reinforcing connecting rod a42 is sleeved with the abrasive body a 3.
At least two circumferential limiting plates a5 distributed at intervals are fixed on the annular fixing ring a41, and a limiting interval for the circumferential movement of the abrasive body a3 on the annular fixing ring a41 is formed between every two adjacent circumferential limiting plates a 5. The design of the circumferential limiting plate a5 enables the abrasive body a3 to have a certain moving capacity within a certain range and be limited again to achieve a good effect, and here, the circumferential distance between two adjacent circumferential limiting plates a5 is preferably larger than the circumferential size of the abrasive body a3, so that the abrasive body a3 can have a certain moving capacity. Similarly, at least two linear position limiting plates a6 are fixed on the linear reinforcing connecting rod a42 and are distributed at intervals, and a limiting interval for the linear movement of the abrasive body a3 on the linear reinforcing connecting rod a42 is formed between every two adjacent linear position limiting plates a 6.
Preferably, the straight reinforcing connecting rod a42 extends obliquely downwards from the stirring shaft a1 in the direction away from the stirring shaft a1, and the structure is further optimized. The cross-sections of the annular fixing ring a41 and the straight reinforcing connecting rod a42 may be circular.
The abrasive body a3 can be an abrasive wheel or an abrasive disc.
The stirring device of this embodiment can be used in the production line of producing powder, can regard as a scheme, be a powder coating production line, include the aforesaid stirring device that produces powder coating and use, of course the production line still need include other process units that produce and use, follow-up meeting specifically introduces, here the bottom or the lateral part of agitator a should set up the discharge gate that can open and shut, can directly drop the mixture into receiving parts such as feeder hopper b of preforming guiding device like this, follow-up embodiment about preforming guiding device will specifically introduce.
Example 2, as shown in fig. 2, a tablet guiding device for producing powder coating includes a feeding hopper b, a material transporting device b1 located below the feeding hopper b, and a heating device b2 located at an outlet of the material transporting device b1, the feeding hopper b can receive a mixture from a stirring device, the material transporting device b1 and the heating device b2 can be implemented by existing ordinary equipment, and melt the mixture to form a liquid or colloidal material, the particularity of this example is that a guide for guiding the melted material flow is provided below an outlet of the heating device b2, the guide includes a guide plate b3 extending obliquely to the front and the bottom, a plurality of guide grooves b01 arranged at intervals left and right are provided on an upper surface of the guide plate b3, and by effectively guiding the melted material, the molten materials can be distributed at intervals more uniformly when entering the tabletting and forming device, the synchronism is good, the production of the tablet with the groove body and the convex sheet body on the upper surface of the tablet is facilitated, and the molten materials flowing out of the guide groove b01 preferably face the position of the convex part of the tablet.
Preferably, the guide plate b3 is formed with a V-shaped collection groove b02 communicating with the inlet on the upper side of all the guide grooves b01 for receiving the molten material flowing down upward. A flow guide protrusion b4 which is arched toward the rear and upper direction is formed on the guide plate b3 at the middle of the V-shaped collecting groove b 02. The material can be better conveyed to each guide groove b01 after the additive material flow enters the guide plate b3, due to the design of the groove shape, the paths of the guide grooves b01 on the two sides are relatively long, so the material can be guided to the left and right side areas to flow downwards through the arc-shaped edge on the rear upper part of the flow guide protrusion b4, the material can be guided to the lower side area of the flow guide protrusion b4 to fall downwards in the middle, and the upper falling position is the arc-shaped side of the flow guide protrusion b 4.
In addition, in view of the difference between the raw materials of the powder coating, the fluidity after melting is different, and if the material with poor fluidity is used, the following design can be made: the middle area of the flow guide protrusion b4 is provided with a middle fast flow channel b40 leading to the guide groove b01 on the middle area of the guide plate b3, so that the problem that the middle thickness of the tabletting is too thin due to too slow material flow in the middle can be avoided.
Further, a lifting device b5 for lifting is installed and connected on the lower surface of the guide plate b 3. The lifting device b5 can adopt a lifting screw rod, a pneumatic cylinder and other structures. Elevating gear b5 with deflector b3 detachable connection is lived, and detachable connection also can adopt readily removable formula structures such as current threaded connection, and the convenient change to satisfy the material of different compositions, perhaps satisfy different powder products, can adjust. Further, the lifting device b5 is connected with a traverse device b6 for moving in the horizontal direction, and the traverse device b6, that is, a device movable in the horizontal direction, can be configured by using conventional pneumatic cylinders and the like.
Preferably, a covering plate b7 capable of covering at least a partial area of the guide groove b01 is laid on the upper side of the guide groove b01 of the guide plate b3, and the covering plate b7 can effectively protect the materials in the guide groove b01 and prevent the materials from overflowing. The cover plate b7 is detachably mounted on the guide plate b 3.
The tablet guide device of the present embodiment may also be applied to a powder coating production line, that is, a powder coating production line, including the tablet guide device for powder coating production of the present embodiment, which may be used in cooperation with the tablet guide device of the production line of the other embodiments.
Embodiment 3, as shown in fig. 3, a tabletting and extrusion molding apparatus for producing powder coating comprises a rear extrusion roller c1 and a front extrusion roller c2 located at the front upper part of the rear extrusion roller c1, wherein the rear extrusion roller c1 and the front extrusion roller c2 are arranged at intervals and form a compression gap for molten material to flow and extrude into a sheet structure, the outer wall of the front extrusion roller c2 is provided with annular convex blocks c3 arranged at left and right intervals, and an annular groove c4 is formed between two adjacent annular convex blocks c 3. The guiding device for tablet in example 2 has the molten material flowing out through the guiding groove b01, the molten material is against the compression gap formed between the rear extrusion roller c1 and the front extrusion roller c2, that is, the extrusion forming gap, and the molten material is extruded to form the original tablet with relatively stable form, and the tablet is further solidified by subsequent cooling, but the difference of the application is that the shape of the gap is different from the prior art, because the front extrusion roller c2 forms a sequential structure of left and right concave-convex structures by the arrangement of the annular convex block c3, the shape of the tablet after extrusion forming the molten material is affected, because the design of the front extrusion roller c2 and the conveyor belt is conveyed forward, the pressing side of the front extrusion roller c2 is changed to be the upper surface of the tablet, so that the upper surface of the tablet also forms a concave-convex structure corresponding to the external structure of the front extrusion roller c2, also, the annular groove c4 of the front extrusion roller c2 is a protrusion of the tabletting, and the annular protrusion block c3 is a groove of the tabletting, so that the contact area of the tabletting in the subsequent cooling process is increased by the structure, the cooling is more facilitated, the conveying is more facilitated, the cooling effect is better, and the crushing is easier and more uniform by matching with the subsequent crushing structure.
Preferably, the height of the front squeeze roller c2 can be adjusted up and down. The height of the rear extrusion roller c1 can be adjusted in a lifting way. The lifting adjustment can be realized by adopting the existing lifting device after installation and connection.
The front extrusion roller c2 is provided with a convex reinforcing strip c5 extending left and right on the outer cylinder wall at the annular groove c 4. The effectiveness of extrusion molding is improved, the contact area can be increased, and the subsequent crushing of tabletting is facilitated. The radial thickness of the convex reinforcing strip c5 is smaller than that of the annular convex block c3, and the convex reinforcing strip c5 is retracted in the annular groove c4, so that the effect is better.
Further, a dust suction device c6 is provided in each of the left and right regions of the front squeeze roller c2, and the dust suction device c6 may be an existing dust suction apparatus. The left-hand suction unit c6 draws air to the left and the right-hand suction unit c6 draws air to the right. This set up on the one hand and can clear up dust etc. and guarantee the cleanliness factor, on the other hand can utilize wind-force to carry out the preforming at the certain tensile force of left right direction for the preforming effect is better, makes raw and other materials fuse and is favorable to follow-up smashing better.
Preferably, the annular protrusion c3 has a corrugated surface c30 formed on its outer circumferential surface. The surface area can be further increased, and the conveying of the cooling process is also facilitated.
The tablet extrusion molding device of the embodiment can be matched with other devices to be better integrated into a powder coating production line, that is, a powder coating production line comprises the tablet extrusion molding device for producing the powder coating of the embodiment, and of course, the tablet extrusion molding device also comprises other devices such as a tablet guiding device for guiding molten materials to the tablet extrusion molding device, and the various devices in the specification can be matched or integrated for use, so that the applicability is also better.
Example 4, as shown in fig. 4, a cooling device for producing powder coating comprises a conveyor belt d1 for receiving and conveying forward the pressed sheets formed by the press forming device, and cooling rollers d2 arranged at intervals in the front-back direction above the conveying path of the conveyor belt d1 and used for pressing against the upper surface of the pressed sheet for rolling and cooling. The particularity of this embodiment lies in realizing through the mode of cooling roller d2 roll-in cooling, compares prior art's forced air cooling, and efficiency is higher, and the cooling effect is better moreover, and the combination between the raw materials is inseparabler, is favorable to subsequent smashing.
Specifically, the outer cylinder wall of the cooling roller d2 is provided with annular reinforcing cooling blocks d3 arranged at intervals left and right, and a cooling limiting groove d4 used for increasing the cooling contact area and capable of being inserted into the protruding part of the upper surface of the tabletting is formed between every two adjacent annular reinforcing cooling blocks d 3. The structural design is matched with the concave-convex structure design of the pressing sheet, so that the cooling roller d2 and the pressing sheet are perfectly attached and combined to conduct heat, the rolling heat transfer efficiency of the cooling roller d2 is high, and the conveying of the pressing sheet can be accelerated.
In other practical design structures, a cooling water pipe is arranged in the cooling roller d2, the cooling water pipe can adopt a circulating reciprocating structure, and the cooling roller structure in the prior art can be used. The height of the cooling roller d2 can be adjusted up and down, which can be realized by adopting the existing lifting device after connection, and the height can be adjusted according to the requirement.
Preferably, the conveyor d1 has a steel crawler belt structure that reciprocates back and forth. The steel crawler belt can effectively cool the lower side of the tabletting, but heat can be accumulated, furthermore, a tensioning roller d5 which upwards abuts against the lower part of the conveyor belt d1 is arranged below the conveyor belt d1, a cooling water pipe is arranged in the tensioning roller d5, and the tensioning roller d5 can not only tension the conveyor belt, but also play a role in cooling the conveyor belt as the tensioning roller can also be used as a cooling roller, so that the whole cooling effect is improved. Of course, the height of the tensioning roller d5 is preferably adjustable up and down.
Preferably, the left and right sides of the conveyor belt d1 are provided with limit guide wheels d6 for limiting and guiding the tablets. Due to the design of the concave-convex structure, the requirement for alignment can be better met for better insertion and guiding, so that the position of the pressing sheet can be better ensured to accurately advance by the limiting guide wheel d6, the limiting guide wheel d6 can adopt a steel roller, and heat can be radiated from the side part when the limiting guide wheel is used relatively.
The cooling device of the embodiment is also an important part of powder coating production, namely a powder coating production line, and comprises the cooling device for producing the powder coating of the embodiment, and the cooling device can be matched with other devices for use.
Example 5, as shown in fig. 5, a powder coating production process comprising the steps of: s1, mixing and stirring the raw materials to form a mixed material; s2, heating and melting the mixture; s3, tabletting the melted mixed material by a tabletting device; s4, cooling the tablet by a cooling roller; s5, crushing the cooled tablet for the first time to form fragments; and s6, crushing the fragments, filtering and collecting powder. The first four steps involved can be realized by adopting the device in the specification, so that the effect is very good, the steps s5 and s6 can be realized by adopting the existing structure, the steps s1, s2 and s3 also can adopt the existing structure, however, the step s4 is a special point of the process for cooling the pressed sheet by the cooling roller, compared with the existing air cooling structure, the cooling mode has better efficiency, the fusion of raw materials can be better, and the subsequent crushing is easier.
The process is further improved as follows: in step s1, the material is frosted while being stirred; pressing the surface of the tablet to form a left-right spaced groove structure in step s 3; in step s4, the cooling roller d2 is provided with annular reinforced cooling blocks d3 arranged at left and right intervals on the outer wall thereof, and a cooling limiting groove d4 for increasing the cooling contact area and being capable of being inserted into the protruding portion of the upper surface of the tablet is formed between two adjacent annular reinforced cooling blocks d 3. This design is possible when using the device of the previous embodiment.
Correspondingly, the powder coating production line applied to the powder coating production process is provided for the process, and comprises a stirring device, a tablet guiding device, a tablet extrusion forming device, a cooling device, a coarse crusher m1, a fine crusher m2 and a filtering device m3 which are sequentially arranged along the circulation sequence of the production line, wherein the cooling device comprises a conveying belt d1 for receiving tablets formed by the tablet extrusion forming device and conveying the tablets forwards, and cooling rollers d2 which are arranged at intervals in the front-back direction and are used for pressing the upper surface of the tablet to roll and cool the tablet, and are arranged above the conveying path of the conveying belt d 1. The main characteristic also lies in the design of cooling device, it all can adopt the technical characterstic in the aforesaid embodiment, and to coarse rubbing crusher, fine crusher, filter equipment, the suggestion can adopt current equipment, because the current technique of these equipment is comparatively ripe, coarse rubbing crusher is exactly tentatively smashes into graininess mechanical equipment, generally the millimeter level is about almost, and fine crusher can smash the following micron order even of millimeter level, be exactly form more fine and smooth powder coating, filter equipment is then more various, all can be applied to this production line.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The tabletting and extrusion forming device for producing the powder coating is characterized by comprising a rear extrusion roller (c 1) and a front extrusion roller (c 2) positioned in front of and above the rear extrusion roller (c 1), wherein the rear extrusion roller (c 1) and the front extrusion roller (c 2) are arranged at intervals to form a compression gap for molten materials to flow into and extrude into a sheet structure, annular convex blocks (c 3) which are arranged at left and right intervals are formed on the outer wall of the front extrusion roller (c 2), and an annular groove (c 35 4) is formed between every two adjacent annular convex blocks (c 3).
2. A device for forming a pressed sheet for powder coating material as claimed in claim 1, wherein the height of said front press roller (c 2) is adjustable up and down.
3. A device for forming a pressed sheet for powder coating material as claimed in claim 1, wherein the height of said rear squeeze roller (c 1) is adjustable up and down.
4. A device for forming a pressed sheet for powder coating material as claimed in claim 1, wherein said front squeeze roller (c 2) has a left-right extending convex reinforcing bar (c 5) formed on the outer cylindrical wall of the annular groove (c 4).
5. A tabletting extrusion device as claimed in claim 4, wherein said raised reinforcing strips (c 5) have a radial thickness less than the radial thickness of the annular bumps (c 3).
6. A device for forming a pressed sheet for powder coating material as claimed in claim 1, wherein a dust suction device (c 6) is provided in the region of both right and left sides of said front squeeze roller (c 2).
7. A sheeted extrusion press according to claim 6 wherein the left hand suction means (c 6) draws air to the left and the right hand suction means (c 6) draws air to the right.
8. A tabletting extrusion molding apparatus for producing powder coating material as claimed in claim 1, wherein said annular projection (c 3) has a corrugated surface (c 30) formed on its outer peripheral surface.
9. A powder coating production line comprising a tabletting press forming apparatus for producing powder coating as claimed in any one of claims 1 to 8.
10. A powder coating material manufacturing line as claimed in claim 9, further comprising a tablet guide for directing molten material to the tablet press forming apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011345668.1A CN112454975A (en) | 2020-11-25 | 2020-11-25 | Preforming extrusion device that production powder coating used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011345668.1A CN112454975A (en) | 2020-11-25 | 2020-11-25 | Preforming extrusion device that production powder coating used |
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| Publication Number | Publication Date |
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| CN112454975A true CN112454975A (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011345668.1A Withdrawn CN112454975A (en) | 2020-11-25 | 2020-11-25 | Preforming extrusion device that production powder coating used |
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| CN101513772A (en) * | 2008-02-21 | 2009-08-26 | 住友化学株式会社 | Method and apparatus for machining transferring resin sheets |
| CN105597867A (en) * | 2014-11-21 | 2016-05-25 | 重庆七彩虹化工有限公司 | Concave and convex curved surface type tabletting and crushing machine for powder coating |
| CN105642393A (en) * | 2014-11-21 | 2016-06-08 | 重庆七彩虹化工有限公司 | Longitudinal wave type tabletting and crushing machine for powder coatings |
| CN207711184U (en) * | 2017-12-19 | 2018-08-10 | 青岛豪元晟五金塑胶有限公司 | Double roller cooling device |
| JP6389972B1 (en) * | 2018-01-23 | 2018-09-12 | 三島光産株式会社 | Method for manufacturing briquette machine and method for reproducing the same |
| CN208032741U (en) * | 2017-12-19 | 2018-11-02 | 青岛豪元晟五金塑胶有限公司 | It is a kind of to crush neat twin-roll tabletting cooling conveying crushing machine |
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2020
- 2020-11-25 CN CN202011345668.1A patent/CN112454975A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101513772A (en) * | 2008-02-21 | 2009-08-26 | 住友化学株式会社 | Method and apparatus for machining transferring resin sheets |
| CN105597867A (en) * | 2014-11-21 | 2016-05-25 | 重庆七彩虹化工有限公司 | Concave and convex curved surface type tabletting and crushing machine for powder coating |
| CN105642393A (en) * | 2014-11-21 | 2016-06-08 | 重庆七彩虹化工有限公司 | Longitudinal wave type tabletting and crushing machine for powder coatings |
| CN207711184U (en) * | 2017-12-19 | 2018-08-10 | 青岛豪元晟五金塑胶有限公司 | Double roller cooling device |
| CN208032741U (en) * | 2017-12-19 | 2018-11-02 | 青岛豪元晟五金塑胶有限公司 | It is a kind of to crush neat twin-roll tabletting cooling conveying crushing machine |
| JP6389972B1 (en) * | 2018-01-23 | 2018-09-12 | 三島光産株式会社 | Method for manufacturing briquette machine and method for reproducing the same |
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Application publication date: 20210309 |
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