CN210283368U - A tablet press for powder coating production - Google Patents
A tablet press for powder coating production Download PDFInfo
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- CN210283368U CN210283368U CN201920902475.8U CN201920902475U CN210283368U CN 210283368 U CN210283368 U CN 210283368U CN 201920902475 U CN201920902475 U CN 201920902475U CN 210283368 U CN210283368 U CN 210283368U
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Abstract
The utility model discloses a tablet press for powder coating production belongs to powder coating production facility technical field. Its technical essential is including setting up a pair of chill roll at the conveyer belt entrance point, the chill roll is provided with the cavity, the axis of rotation of being connected is rotated with the frame to the chill roll along its axial wear to be equipped with one, be provided with the metal cooling tube on the inner wall of cavity, the both ends of axis of rotation are provided with the cooling water inlet and the cooling water row mouth with the cavity intercommunication respectively, cooling water inlet and cooling water row mouth are connected respectively to the entrance point and the exit end of metal cooling tube, be provided with cooling water circulating device between cooling water inlet and the cooling water row mouth, the utility model has the advantages of can prevent that impurity from blockking up the chill roll, promote the raw materials cooling effect.
Description
Technical Field
The utility model belongs to the technical field of powder coating production facility, more specifically say, it relates to a tablet press for powder coating production.
Background
A tablet press is one of basic apparatuses frequently used in the production of powder coatings, and is used for cooling and pressing a granular raw material extruded from an extruder in a preceding step into a sheet shape, and then conveying the sheet-shaped raw material to a subsequent pulverizer for pulverization. The granular raw material is generally kept stable at about 100 ℃ before entering the tablet press, and then is cooled by a cooling roller at the entrance end of the tablet press and then is fed into a tablet press for tabletting.
The tablet press in the prior art generally comprises a rack, a conveyor belt arranged on the rack, a pair of cooling rollers arranged at the inlet end of the conveyor belt and a tablet press device arranged on the conveyor belt, wherein cavities are formed in the cooling rollers, and cold water is introduced into the cavities.
The cooling roller on the tablet press realizes the purpose of cooling the high-temperature granular raw materials by introducing cooling water into the cavity. However, in actual production, the cooling water used for cooling is usually circulating water which is recycled for many times, so that impurities are carried, and the impurities are easily deposited in the cavity of the cooling roller, and the cooling effect is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tablet press for powder coating production, it has can prevent that impurity from blockking up the chill roll, promotes the advantage of raw materials cooling effect.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a tablet press for powder coating production, is including setting up a pair of chill roll at the conveyer belt entrance point, the chill roll is provided with the cavity, the chill roll is worn to be equipped with one along its axial and is rotated the axis of rotation of being connected with the frame, be provided with the metal cooling tube on the inner wall of cavity, the both ends of axis of rotation are provided with respectively and arrange the mouth with the cooling water inlet and the cooling water of cavity intercommunication, cooling water inlet and cooling water row mouth are connected respectively to the entrance point and the exit end of metal cooling tube, be provided with cooling water circulating device between cooling water inlet and the cooling water row mouth.
By adopting the technical scheme, before tabletting, the powder coating raw material in a molten state extruded by the extruder is rolled by the cooling roller and cooled down, and then enters the tabletting machine for tabletting when passing through the cooling roller; the metal cooling pipe in the cavity of the cooling roller is arranged on the inner wall of the cooling roller, and circulating cooling water is introduced into the metal cooling pipe, the metal cooling pipe has good heat-conducting property, and can transfer heat to the cooling water in the metal cooling pipe through the pipe wall, and then the cooling water discharges the part of heat from the inside of the metal pipe and the cooling water discharge port and enters the cooling water circulating device; wherein, the cooling water can possibly take some impurity when circulating, compares in the direct cavity of discharging of cooling water before, and the above-mentioned scheme through the metal cooling tube can make the cooling water carry impurity via the cooling water discharge port and discharge, prevents that impurity from long-pending in the cavity, causes the consequence that blocks up cavity and cooling effect descend.
Therefore, through metal cooling pipe, cooling pipe import, cooling pipe export and cooling water circle device, can prevent that impurity from blockking up the chill roll, promote raw materials cooling effect.
Furthermore, the metal cooling pipes are distributed on the inner wall of the cavity in a threaded manner in a surrounding mode.
Through adopting above-mentioned technical scheme, it has bigger coverage area to be the metal cooling tube that the screw thread form encircles distribution on the cavity inner wall, can make metal cooling tube and intraductal cooling water that flows fully absorb the heat of transmission on the cooling roller roll surface to reach the purpose that promotes the heat absorption cooling effect.
Furthermore, one side of the metal cooling pipe, which is far away from the inner wall of the cavity, is provided with a radiating fin.
By adopting the technical scheme, the arrangement of the radiating fins can further increase the radiating area of the metal cooling pipe, so that the radiating effect of the metal cooling pipe is better.
Further, cooling water circulating device is including the cooling tower, circulation sedimentation tank and the circulating pump that connect gradually, be provided with multistage sedimentation tank in the circulation sedimentation tank.
By adopting the technical scheme, the cooling tower, the circulating sedimentation tank and the circulating pump are arranged, so that cooling water can be fully cooled in the cooling tower and then circularly enter the cooling roller for recycling; wherein, the setting of multistage sedimentation tank can make the impurity that carries in the cooling water obtain abundant interception to this cleanness degree of the cooling water that guarantees to get into in the chill roll.
Further, multistage sedimentation tank includes main sedimentation tank and two vice sedimentation tanks that communicate each other, be provided with the division board between main sedimentation tank and the vice sedimentation tank, and the cooling water gets into main sedimentation tank and gets into in the circulating pump by vice sedimentation tank by the cooling tower.
Through adopting above-mentioned technical scheme, the setting of division board makes during cooling water crosses the division board and gets into vice sedimentation tank again after fully settling in main sedimentation tank, can promote the precipitation effect of cooling water from this.
Furthermore, a connecting hole is formed between the two auxiliary sedimentation tanks, and a first filter screen is arranged in the connecting hole.
Through adopting above-mentioned technical scheme, the setting of first filter screen can further intercept the impurity that does not deposit in main sedimentation tank, makes the cooling water obtain further cleanness.
Further, air circulation ports are formed in the side walls of the two ends of the cooling roller.
Through adopting above-mentioned technical scheme, the setting of air cycle mouth can strengthen the mobile effect of air in the chill roll cavity to make partly heat can be taken away to the air that flows, make the cooling effect of chill roll obtain further strengthening.
Furthermore, a second filter screen is arranged on the air circulation port.
Through adopting above-mentioned technical scheme, the setting of second filter screen can intercept impurity such as dust in the air, prevents that it from getting into in the cavity and adhering to the surface at the metal cooling tube, leads to the radiating effect of metal cooling tube to reduce.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) through the arrangement of the metal cooling pipe, the cooling pipe inlet, the cooling pipe outlet and the cooling water circulating device, the cooling roller can be prevented from being blocked by impurities, and the raw material cooling effect is improved;
(2) by arranging the radiating fins, the radiating area of the metal cooling pipe can be further increased, so that the radiating effect of the metal cooling pipe is better;
(3) through setting up the air circulation mouth, can strengthen the mobile effect of air in the chill roll cavity to make partly heat can be taken away to the air that flows, make the cooling effect of chill roll obtain further strengthening.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic cross-sectional view of the present embodiment;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic structural diagram of the circulation sedimentation tank in the present embodiment.
Reference numerals: 1. a conveyor belt; 2. a cooling roll; 3. a water tank; 4. a cooling water circulating device; 21. a cavity; 22. a rotating shaft; 23. a metal cooling tube; 24. an air circulation port; 31. an inlet; 32. an outlet; 41. a cooling tower; 42. circulating a sedimentation tank; 43. a circulation pump; 221. a cooling water inlet; 222. a cooling water outlet; 231. heat dissipation fins; 241. a second filter screen; 242. filtering holes; 421. a multistage sedimentation tank; 422. a main sedimentation tank; 423. a secondary sedimentation tank; 424. a partition plate; 425. connecting holes; 426. a first filter.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
A tablet press for producing powder coating, as shown in figure 1 and figure 2, comprises a pair of cooling rollers 2 which are arranged at the inlet end of a conveyor belt 1 and distributed up and down, the roller surfaces of the two cooling rollers 2 are mutually jointed and a cavity 21 is arranged in the cooling rollers 2, a rotating shaft 22 which is rotatably connected with a frame is arranged in the cooling rollers 2 in a penetrating way along the axial direction of the cooling rollers, water tanks 3 are fixed at the two ends of the frame which is positioned on the cooling rollers 2, the rotating shaft 22 is rotatably connected on the side wall of the water tanks 3, one ends of the two water tanks 3 far away from the cooling rollers 2 are provided with an inlet 31 and an outlet 32, the inner wall of the cavity 21 is provided with a metal cooling pipe 23, the two ends of the rotating shaft 22 are respectively provided with a cooling water inlet 221 and a cooling water outlet 222 which are communicated with the cavity 21 and the inside of the water tanks 3, the inlet end and the outlet 32 end of the metal cooling pipe 23 are respectively, specifically, the cooling water circulation device 4 includes a cooling tower 41, a circulation sedimentation tank 42 and a circulation pump 43 which are connected in sequence, and a multistage sedimentation tank 421 is provided in the circulation sedimentation tank 42.
As shown in fig. 2 and 3, the metal cooling pipes 23 are distributed around the inner wall of the cavity 21 in a threaded manner. The metal cooling pipe 23 which is in a threaded shape and is distributed on the inner wall of the cavity 21 in a surrounding mode has a larger covering area, and the metal cooling pipe 23 and cooling water flowing in the pipe can fully absorb heat transferred on the roller surface of the cooling roller 2, so that the purpose of improving the heat absorption and cooling effects is achieved.
As shown in fig. 3, a plurality of sheet-shaped heat dissipation fins 231 are uniformly fixed on one side of the metal cooling tube 23 away from the inner wall of the cavity 21, and the heat dissipation area of the metal cooling tube 23 can be further increased by the heat dissipation fins 231, so that the heat dissipation effect of the metal cooling tube 23 is better.
As shown in fig. 3, the side walls at the two ends of the cooling roller 2 are provided with annular air circulation ports 24, and the arrangement of the air circulation ports 24 can enhance the flowing effect of air in the cavity 21 of the cooling roller 2, so that a part of heat can be taken away by the flowing air, and the cooling effect of the cooling roller 2 is further enhanced.
Further, a second filter screen 241 is installed on the air circulation port 24, a plurality of filter holes 242 are formed in the second filter screen 241, impurities such as dust in the air can be intercepted through the second filter screen 241, and the impurities are prevented from entering the cavity 21 and being attached to the surface of the metal cooling pipe 23, so that the heat dissipation effect of the metal cooling pipe 23 is reduced.
As shown in fig. 4, the multistage sedimentation tank 421 includes a main sedimentation tank 422 and two auxiliary sedimentation tanks 423 that are communicated with each other, a partition plate 424 is fixed between the main sedimentation tank 422 and the auxiliary sedimentation tanks 423, the cooling water enters the main sedimentation tank 422 from the cooling tower 41 and enters the circulation pump 43 from the auxiliary sedimentation tanks 423, the cooling water is fully precipitated in the main sedimentation tank 422 by the partition plate 424 and then enters the auxiliary sedimentation tanks 423 across the partition plate 424, and thus the precipitation effect of the cooling water can be improved.
As shown in fig. 4, a connection hole 425 is formed between the two auxiliary settling tanks 423, a first filter screen 426 is installed in the connection hole 425, and impurities which are not settled in the main settling tank 422 can be further intercepted by the first filter screen 426, so that the cooling water can be further cleaned.
The utility model discloses a working process and beneficial effect as follows: before tabletting, when the powder coating raw material in a molten state extruded by the extruder passes through the cooling roller 2, the powder coating raw material is rolled by the cooling roller 2 to be cooled and then enters the tabletting machine for tabletting; the metal cooling pipe 23 in the cavity 21 of the cooling roller 2 is arranged on the inner wall of the cavity 21, and the circulating cooling water is introduced into the metal cooling pipe 23, so that the metal cooling pipe 23 has good heat-conducting property, can transfer heat to the cooling water in the metal cooling pipe through the pipe wall, and then enables the cooling water to discharge the part of heat from the inside of the metal cooling pipe and the cooling water discharge port 222 to enter the cooling water circulating device 4; the cooling water may carry a part of impurities during circulation, and compared with the prior art in which the cooling water is directly discharged into the cavity 21, the above-mentioned scheme of passing through the metal cooling pipe 23 enables the cooling water to carry the impurities to be discharged through the cooling water outlet 222, so as to prevent the impurities from being accumulated in the cavity 21, thereby blocking the cavity 21 and reducing the cooling effect.
In conclusion, the metal cooling pipe 23, the cooling pipe inlet, the cooling pipe outlet 32 and the cooling water circulation device 4 can prevent the cooling roll 2 from being clogged with impurities, thereby improving the cooling effect of the raw material.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a tablet press for powder coating production, is including setting up a pair of chill roll (2) at conveyer belt (1) entrance point, chill roll (2) are provided with cavity (21), its characterized in that, chill roll (2) wear to be equipped with one along its axial and rotate axis of rotation (22) of being connected with the frame, be provided with metal cooling tube (23) on the inner wall of cavity (21), the both ends of axis of rotation (22) are provided with respectively with cooling water inlet (221) and the cooling water row mouth (222) of cavity (21) intercommunication, cooling water inlet (221) and cooling water row mouth (222) are connected respectively to the entrance point and exit end (32) of metal cooling tube (23), be provided with cooling water circulating device (4) between cooling water inlet (221) and cooling water row mouth (222).
2. The tablet press for powder paint production according to claim 1, characterised in that the metal cooling tubes (23) are distributed around the inner wall of the cavity (21) in a threaded manner.
3. The tablet press for powder paint production according to claim 2, characterised in that the side of the metal cooling tube (23) facing away from the inner wall of the cavity (21) is provided with heat fins (231).
4. The tablet press for powder paint production according to claim 1, wherein the cooling water circulation device (4) comprises a cooling tower (41), a circulating sedimentation tank (42) and a circulating pump (43) connected in sequence, and a multistage sedimentation tank (421) is arranged in the sedimentation tank.
5. The tablet press for powder coating material production according to claim 4, wherein the multistage settling tank (421) comprises a main settling tank (422) and two mutually communicating secondary settling tanks (423), a partition plate (424) is arranged between the main settling tank (422) and the secondary settling tanks (423), and cooling water enters the main settling tank (422) from the cooling tower (41) and enters the circulating pump (43) from the secondary settling tanks (423).
6. The tablet press for powder coating material production according to claim 5, wherein a connection hole (425) is formed between the two secondary sedimentation tanks (423), and a first filter screen (426) is disposed in the connection hole (425).
7. The tablet press for powder paint production according to claim 1, characterised in that air circulation ports (24) are provided on the side walls at both ends of the cooling roller (2).
8. The tablet press for the production of powder coatings according to claim 7, characterized in that a second filter screen (241) is arranged on the air circulation opening (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902475.8U CN210283368U (en) | 2019-06-17 | 2019-06-17 | A tablet press for powder coating production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902475.8U CN210283368U (en) | 2019-06-17 | 2019-06-17 | A tablet press for powder coating production |
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| Publication Number | Publication Date |
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| CN210283368U true CN210283368U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920902475.8U Active CN210283368U (en) | 2019-06-17 | 2019-06-17 | A tablet press for powder coating production |
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| CN (1) | CN210283368U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112454790A (en) * | 2020-11-25 | 2021-03-09 | 德清县金秋塑粉有限公司 | Powder coating production process and production line thereof |
| CN112497823A (en) * | 2020-11-25 | 2021-03-16 | 德清县金秋塑粉有限公司 | Preforming guiding device that production powder coating used |
| CN113102017A (en) * | 2021-04-02 | 2021-07-13 | 李丹丹 | Preparation method of metal powder coating |
-
2019
- 2019-06-17 CN CN201920902475.8U patent/CN210283368U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112454790A (en) * | 2020-11-25 | 2021-03-09 | 德清县金秋塑粉有限公司 | Powder coating production process and production line thereof |
| CN112497823A (en) * | 2020-11-25 | 2021-03-16 | 德清县金秋塑粉有限公司 | Preforming guiding device that production powder coating used |
| CN112497823B (en) * | 2020-11-25 | 2023-09-01 | 广东金高丽新材料有限公司 | Tabletting guiding device for producing powder coating |
| CN113102017A (en) * | 2021-04-02 | 2021-07-13 | 李丹丹 | Preparation method of metal powder coating |
| CN113102017B (en) * | 2021-04-02 | 2022-09-09 | 广东雅佳新型节能高分子材料有限公司 | Preparation method of metal powder coating |
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