CN213790051U - Novel photoinitiator crystallization device - Google Patents
Novel photoinitiator crystallization device Download PDFInfo
- Publication number
- CN213790051U CN213790051U CN202022300296.2U CN202022300296U CN213790051U CN 213790051 U CN213790051 U CN 213790051U CN 202022300296 U CN202022300296 U CN 202022300296U CN 213790051 U CN213790051 U CN 213790051U
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- China
- Prior art keywords
- crystallization
- photoinitiator
- wall
- stirring
- crystallization device
- Prior art date
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- Expired - Fee Related
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- 238000002425 crystallisation Methods 0.000 title claims abstract description 58
- 230000008025 crystallization Effects 0.000 title claims abstract description 58
- 238000003756 stirring Methods 0.000 claims abstract description 54
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 10
- 239000013078 crystal Substances 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 3
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 3
- 241001330002 Bambuseae Species 0.000 abstract 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 3
- 239000011425 bamboo Substances 0.000 abstract 3
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000007790 scraping Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses a novel photoinitiator crystallization device, including crystallization kettle, feed inlet, discharge gate, stirring pivot, bearing, puddler and driving motor, through being equipped with the locating hole at both ends in the stirring pivot, be equipped with on the outer wall of stirring pivot with the location section of thick bamboo of locating hole intercommunication, the one end of puddler be equipped with the grafting portion of a location section of thick bamboo looks adaptation, the other end of puddler is equipped with the scraper blade, be equipped with the slide shaft in the locating hole, be equipped with a plurality of annular taper grooves on the slide shaft, the tip of grafting portion be equipped with the pyramis that annular taper groove suits, a location section of thick bamboo with be equipped with first reset spring between the grafting portion, be equipped with on the outer wall of crystallization kettle bottom with the push-pull institution that the slide shaft is connected. The utility model discloses a novel photoinitiator crystallization device belongs to photoinitiator crystal preparation technical field, can scrape by the crystallization of attaching to on the crystallization cauldron inner wall, guarantees the efficiency of photoinitiator crystallization.
Description
Technical Field
The utility model relates to a photoinitiator crystal preparation technique, more specifically say, it relates to a novel photoinitiator crystallization device.
Background
The photoinitiator is also called photosensitizer or photocuring agent, and is a compound which can absorb energy with certain wavelength in an ultraviolet region (250-420 nm) or a visible light region (400-800 nm) to generate free radicals, cations and the like so as to initiate the polymerization, crosslinking and curing of monomers.
In order to increase the purity of the photoinitiator, a crystallization step is required in the manufacturing process of the photoinitiator. The crystallization of the photoinitiator is carried out in a dedicated crystallization kettle. However, when the photoinitiator is crystallized in a conventional crystallization vessel, the crystallized photoinitiator is likely to adhere to the inner wall of the crystallization vessel, resulting in a decrease in crystallization efficiency.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to some of the above-mentioned inadequacies of prior art, the utility model aims at providing a can prevent that the crystallization from attaching to the novel photoinitiator crystallization device on the crystallization kettle inner wall.
In order to achieve the purpose, the utility model provides a novel photoinitiator crystallizing device, which comprises a crystallizing kettle, a feed inlet, a discharge outlet, a stirring rotating shaft, a bearing, a stirring rod and a driving motor, the stirring rotating shaft is internally provided with positioning holes communicated with the two ends, the outer wall of the stirring rotating shaft is provided with a positioning cylinder communicated with the positioning holes, one end of the stirring rod is provided with a plug-in part matched with the positioning cylinder, the other end of the stirring rod is provided with a scraper, the inserting part of the stirring rod can be inserted into the positioning hole, a sliding shaft is arranged in the positioning hole, the sliding shaft is provided with a plurality of annular conical grooves, the end part of the insertion part is provided with a conical part which is matched with the annular conical grooves, a first return spring is arranged between the positioning cylinder and the insertion part, and a push-pull mechanism connected with the sliding shaft is arranged on the outer wall of the bottom of the crystallization kettle.
Further, the push-pull mechanism comprises a hanging frame hung on the outer wall of the bottom of the crystallization kettle, a hinged seat is arranged on the hanging frame, and a warping rod hinged with the bottom end of the sliding shaft is hinged to the hinged seat.
Furthermore, a waist-shaped hole is formed in the hinge seat, and a hinge shaft matched with the waist-shaped hole is arranged on the warping rod.
Furthermore, the scraping plate is provided with a sleeve connected with the stirring rod.
As a further improvement, the inserting part is provided with a limiting step which is matched with one end of the first return spring, and the opening of the positioning cylinder is provided with a limiting cylinder cover which is matched with the other end of the first return spring.
Advantageous effects
Compared with the prior art, the utility model discloses a novel photoinitiator crystallization device's beneficial effect as follows:
1) the novel photoinitiator crystallization device can prevent crystals from being attached to the inner wall of the crystallization kettle, and ensure the crystallization efficiency of the photoinitiator;
2) the utility model discloses a novel photoinitiator crystallization device, puddler can radially outwards slide, presses close to crystallization kettle's inner wall with the scraper blade on the puddler, can scrape the crystallization on crystallization kettle's the inner wall, prevents to remain the crystallization on the crystallization kettle inner wall and influences the crystallization speed.
Drawings
FIG. 1 is a schematic structural diagram of the novel photoinitiator crystallization device of the present invention;
FIG. 2 is a schematic view of the working state of the novel photoinitiator crystallization device of the present invention;
FIG. 3 is an enlarged schematic view of the structure of the stirring rod and the scraper of the present invention;
FIG. 4 is an enlarged schematic view of the structure of the middle push-pull mechanism of the present invention;
fig. 5 is a sectional view showing the structure of the novel photoinitiator crystallization device of the present invention, in which a spring is provided.
In the figure: 1. a crystallization kettle; 2. a feed inlet; 3. a discharge port; 4. a stirring rotating shaft; 5. a bearing; 6. a stirring rod; 7. a drive motor; 8. positioning holes; 9. a positioning cylinder; 10. a plug-in part; 11. a squeegee; 12. a slide shaft; 13. an annular conical groove; 14. a pyramid part; 15. a first return spring; 16. a push-pull mechanism; 17. a hanger; 18. a hinged seat; 19. raising the rod; 20. a waist-shaped hole; 21. a sleeve; 22. a limiting step; 23. a limiting cylinder cover; 24. a pulley drive assembly; 25. a rotary joint; 26. a second return spring.
Detailed Description
The present invention will be further described with reference to the following examples, which are not intended to limit the scope of the present invention, but are intended to be covered by the appended claims in any way.
The specific embodiment of the present invention is such: referring to fig. 1-5, a novel photoinitiator crystallization device comprises a crystallization kettle 1, a feed inlet 2, a discharge port 3, a stirring rotating shaft 4, a bearing 5, a stirring rod 6 and a driving motor 7, wherein a belt pulley transmission assembly 24 is arranged between the driving motor 7 and the top of the stirring rotating shaft 4, positioning holes 8 are arranged in the stirring rotating shaft 4 through two ends, a positioning cylinder 9 communicated with the positioning holes 8 is arranged on the outer wall of the stirring rotating shaft 4, an insertion part 10 matched with the positioning cylinder 9 is arranged at one end of the stirring rod 6, a scraping plate 11 matched with the inner wall of the crystallization kettle 1 is arranged at the other end of the stirring rod 6, the insertion part 10 of the stirring rod 6 can be inserted into the positioning holes 8, a sliding shaft 12 is arranged in the positioning holes 8, a plurality of annular conical grooves 13 are arranged on the sliding shaft 12, a conical part 14 matched with the annular conical grooves 13 is arranged at the end part of the insertion part 10, a first reset spring 15 is arranged between the positioning cylinder 9 and the insertion part 10, the outer wall of the bottom of the crystallization kettle 1 is provided with a push-pull mechanism 16 connected with the sliding shaft 12, and the push-pull mechanism 16 can push the sliding shaft 12 to slide up and down.
In the novel photoinitiator crystallization device, the stirring rotating shaft 4 is driven to rotate by the driving motor 7 and the belt pulley transmission assembly 24, and the stirring rod 6 on the stirring rotating shaft 4 is used for stirring the raw materials in the crystallization kettle 1, so that the uniform stirring is ensured and the crystallization of the photoinitiator is accelerated;
the end part of the stirring rod 6 is provided with a scraper 11, and the stirring rod 6 can slide in the radial direction relative to the stirring rotating shaft 4 through the guiding action of the inserting part 10 and the positioning cylinder 9; the push-pull mechanism 16 drives the slide shaft 12 to slide up and down, so that the conical surface of the annular conical groove 13 on the slide shaft 12 can extrude the conical part 14, the stirring rod 6 slides outwards in the radial direction, the scraper 11 on the stirring rod 6 is close to the inner wall of the crystallization kettle 1, and crystals on the inner wall of the crystallization kettle 1 can be scraped.
In this embodiment, the push-pull mechanism 16 includes a hanger 17 hung on the outer wall of the bottom of the crystallization kettle 1, the hanger 17 is provided with a hinge seat 18, the hinge seat 18 is hinged with a tilted rod 19 hinged with the bottom end of the slide shaft 12, the bottom end of the slide shaft 12 is provided with a rotary joint 25 connected with the tilted rod 19, and the rotary joint 25 can enable the slide shaft 12 and the tilted rod 19 to rotate relatively. The warped rod 19 is pressed downwards, so that the sliding shaft 12 can be pushed to slide upwards, the conical surface of the annular conical groove 13 on the sliding shaft 12 extrudes the conical part 14, the stirring rod 6 is extruded outwards in the radial direction, the scraping plate 11 at the end part of the stirring rod 6 is close to the inner wall of the crystallization kettle 1, and the stirring rod 6 and the scraping plate 11 are driven by the stirring rotating shaft 4 to rotate to scrape the crystals on the inner wall of the crystallization kettle 1.
In this embodiment, the hinge seat 18 is provided with the waist-shaped hole 20, the tilting rod 19 is provided with the hinge shaft adapted to the waist-shaped hole 20, the tilting rod 19 can push and pull the sliding shaft 12 when rotating, and the tilting rod 19 can be prevented from being locked by sliding in the waist-shaped hole 20 through the hinge shaft, so that the tilting rod 19 can be flexibly rotated.
In this embodiment, a second return spring 26 connected to the slide shaft 12 is disposed on the top of the positioning hole 8 of the stirring rotating shaft 4, and the slide shaft 12 can be automatically pulled up by the second return spring 26.
In this embodiment, the scraper 11 is provided with a sleeve 21 connected with the stirring rod 6, and the scraper 11 is detachably connected with the stirring rod 6 through the sleeve 21, so that the stirring rod 6 and the positioning cylinder 9 can be assembled together conveniently.
In the present embodiment, the scraping sleeve 21 is screwed with the stirring rod 6, and the relative position of the scraping plate 11 and the stirring rod 6 can be adjusted.
In this embodiment, the scraping and inserting part 10 is provided with a limiting step 22 corresponding to one end of the first return spring 15, and the opening of the positioning cylinder 9 is provided with a limiting cylinder cover 23 corresponding to the other end of the first return spring 15.
In this embodiment, the scraping limiting cylinder cover 23 is sleeved on the inserting part 10, and the limiting cylinder cover 23 is connected with the positioning cylinder 9 through a thread.
In this embodiment, the stirring rod 6 and the insertion part 10 are of a cylindrical structure, the diameter of the stirring rod 6 is smaller than that of the insertion part 10, and the insertion part 10 is slidably connected with the positioning cylinder 9.
In this embodiment, the upper and lower ends of the stirring rotating shaft 4 respectively penetrate the housing of the upper and lower ends of the crystallization kettle 1, and the upper and lower ends of the crystallization kettle 1 are provided with two sealing bushings adapted to the two ends of the stirring rotating shaft 4.
The above is only a preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility of the invention and the utility of the patent.
Claims (5)
1. A novel photoinitiator crystallization device comprises a crystallization kettle (1), a feed inlet (2), a discharge port (3), a stirring rotating shaft (4), a bearing (5), a stirring rod (6) and a driving motor (7), and is characterized in that positioning holes (8) are formed in the stirring rotating shaft (4) and penetrate through the two ends of the stirring rotating shaft, a positioning cylinder (9) communicated with the positioning holes (8) is arranged on the outer wall of the stirring rotating shaft (4), an insertion part (10) matched with the positioning cylinder (9) is arranged at one end of the stirring rod (6), a scraper blade (11) is arranged at the other end of the stirring rod (6), a sliding shaft (12) is arranged in the positioning holes (8), a plurality of annular conical grooves (13) are formed in the sliding shaft (12), a conical part (14) matched with the annular conical grooves (13) is arranged at the end part of the insertion part (10), a first reset spring (15) is arranged between the positioning cylinder (9) and the insertion part (10), and a push-pull mechanism (16) connected with the sliding shaft (12) is arranged on the outer wall of the bottom of the crystallization kettle (1).
2. The novel photoinitiator crystallization device according to claim 1, wherein the push-pull mechanism (16) comprises a hanger (17) hung on the outer wall of the bottom of the crystallization kettle (1), a hinge seat (18) is arranged on the hanger (17), and a tilting rod (19) hinged with the bottom end of the sliding shaft (12) is hinged on the hinge seat (18).
3. The novel photoinitiator crystallization device according to claim 2, characterized in that a waist-shaped hole is arranged on the hinge seat (18), and a hinge shaft matched with the waist-shaped hole (20) is arranged on the warping rod (19).
4. A novel photoinitiator crystallization device according to claim 1 or 2 or 3 characterised in that the scraper (11) is provided with a sleeve (21) connected to the stirring rod (6).
5. The novel photoinitiator crystallization device according to claim 4, wherein the insertion part (10) is provided with a limit step (22) corresponding to one end of the first return spring (15), and a limit cylinder cover (23) is arranged at the cylinder opening of the positioning cylinder (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022300296.2U CN213790051U (en) | 2020-10-14 | 2020-10-14 | Novel photoinitiator crystallization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022300296.2U CN213790051U (en) | 2020-10-14 | 2020-10-14 | Novel photoinitiator crystallization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213790051U true CN213790051U (en) | 2021-07-27 |
Family
ID=76959347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022300296.2U Expired - Fee Related CN213790051U (en) | 2020-10-14 | 2020-10-14 | Novel photoinitiator crystallization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213790051U (en) |
-
2020
- 2020-10-14 CN CN202022300296.2U patent/CN213790051U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |