CN204969408U - Scraper blade and use impeller, airlock and pipe tobacco expansion drying machine of this scraper blade - Google Patents
Scraper blade and use impeller, airlock and pipe tobacco expansion drying machine of this scraper blade Download PDFInfo
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- CN204969408U CN204969408U CN201520376142.8U CN201520376142U CN204969408U CN 204969408 U CN204969408 U CN 204969408U CN 201520376142 U CN201520376142 U CN 201520376142U CN 204969408 U CN204969408 U CN 204969408U
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- flexible board
- board part
- shell
- gas lock
- scraper plate
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Abstract
The utility model relates to a scraper blade and use impeller, airlock and pipe tobacco expansion drying machine of this scraper blade, airlock include the shell and set up the impeller in the shell that include the shaft and wind the scraper blade that shaft circumference was arranged that keep away from in the rigid slab part owing to the continuous rigid slab subtotal of shaft sets up the flexible board part of the one end of shaft constitutes. The utility model provides a scraper blade comprises rigid slab subtotal flexible board part, when cooperating with the shell, and flexible board part and shell friction, the flexible board part is compared the rigid material and can be reduced the rate of wear, consequently not only can reduce the scraper blade and change the frequency, and the airlock does not need frequent shut down, has guaranteed production efficiency.
Description
Technical field
The utility model relates to scraper plate and uses the impeller of this scraper plate, gas lock and tobacco expanding drying machine.
Background technology
Tobacco expanding drying machine is mainly used in the drying of pipe tobacco, and this equipment steams the system compositions such as device, turbulent device, drying device, material pipe, cyclone separator, discharging gas lock, return air duct, circulating fan primarily of charging cover, charging gas lock, injecting type pine.During pneumatic conveying drying, the course of conveying of material needs to carry out under process gas is in airtight state, and therefore the sealing effectiveness of charging and discharging gas lock directly affects expansion drying and the qualification rate of pipe tobacco.Existing gas lock is " a kind of novel segmentation blanking type gas locking device " disclosed in Chinese patent CN204032341U, this blanking type gas locking device is a kind of gas lock, the wheel shaft comprising shell and be arranged in shell and scraper plate, shell and scraper plate are made by rigid material, scraper plate is arranged on wheel shaft radially, wheel shaft and scraper plate form impeller, shell has the both sides segmental arc be coaxially set with wheel shaft, both sides segmental arc and the cylindrical movement locus of scraper plate suitable, when assembling, need to ensure consistent and and the excellent sealing effect of the little gap guarantee gas lock that keeps between the segmental arc inwall of both sides trying one's best of the high uniformity of each scraper plate.Existing this gas lock Problems existing is: in order to ensure the sealing effectiveness of gas lock, need to ensure that the gap between scraper plate and shell should be enough little, but in actual use, shell can produce distortion because expanding with heat and contract with cold, after shell is caught a cold and internal diameter diminishes, shell can produce with scraper plate because distance scraper plate is too near to touch likely can be affected scraper plate and normally rotate, even if scraper plate still can normally rotate, larger frictional dissipation can be produced between scraper plate and shell two rigid bodies, after shell expands, it is very large that gap between scraper plate and shell will become, affect the sealing effectiveness of gas lock, therefore need often to change scraper plate, not only cause production cost higher, also need shut down and affect production efficiency.
Summary of the invention
The purpose of this utility model is to provide a kind of scraper plate, easy to wear and need the problem often changed to solve the scraper plate made because of rigid material in prior art; The purpose of this utility model is also to provide a kind of impeller, gas lock and the tobacco expanding drying machine that use this scraper plate.
In order to solve the problem, the technical scheme of the utility model middle scraper is:
Scraper plate, scraper plate is made up of the rigid plate part for being connected with corresponding wheel shaft and the flexible board part be arranged at away from one end of described wheel shaft in rigid plate part.
Described flexible board part is made up of silica gel plate.
Described flexible board part is secured by bolts in described rigid plate part.
Rigid plate part or flexible board part are provided with the adjustment elongated hole extended along wheel Axial and radial, and described bolt is threaded onto in described adjustment elongated hole.
In the utility model, the technical scheme of impeller is:
Comprise wheel shaft and scraper plate, scraper plate is made up of the rigid plate part for being connected with corresponding wheel shaft and the flexible board part be arranged at away from one end of described wheel shaft in rigid plate part.
Described flexible board part is made up of silica gel plate.
Described flexible board part is secured by bolts in described rigid plate part.
Rigid plate part or flexible board part are provided with the adjustment elongated hole extended along wheel Axial and radial, and described bolt is threaded onto in described adjustment elongated hole.
In the utility model, the technical scheme of gas lock is:
Gas lock, comprises shell and is arranged at the impeller in shell, and impeller comprises wheel shaft and around wheel shaft scraper plate circumferentially, scraper plate is made up of the rigid plate part be connected with wheel shaft and the flexible board part be arranged at away from one end of described wheel shaft in rigid plate part.
Described flexible board part is made up of silica gel plate.
Gap between described flexible board part and the segmental arc inwall of described shell is less than 0.6mm, or the segmental arc inwall interference fit of flexible board part and described shell.
Gap between described flexible board part and the segmental arc inwall of described shell is less than 0.3mm.
In the utility model, the technical scheme of tobacco expanding drying machine is: comprise charging gas lock and discharging gas lock, charging gas lock and discharging gas lock include shell and are arranged at the impeller in shell, impeller comprises wheel shaft and around wheel shaft scraper plate circumferentially, scraper plate is made up of the rigid plate part be connected with wheel shaft and the flexible board part be arranged at away from one end of described wheel shaft in rigid plate part.
Described flexible board part is made up of silica gel plate.
Gap between described flexible board part and the segmental arc inwall of described shell is less than 0.6mm, or the segmental arc inwall interference fit of flexible board part and described shell.
Gap between described flexible board part and the segmental arc inwall of described shell is less than 0.3mm.
The beneficial effects of the utility model are: the scraper plate in the utility model is made up of rigid plate part and flexible board part; when coordinating with shell; flexible board part and shell friction; flexible board part compares rigid material can reduce the rate of wear; therefore not only scraper plate replacement frequency can be reduced; gas lock does not need frequent shutdown, ensure that production efficiency.
Further, owing to being coordinated with shell by flexible board part, therefore do not need to worry that flexible board part and shell can be touched, the gap between flexible board part and the segmental arc of shell can be made to accomplish below 0.6mm, or even direct interference fit, substantially increase the sealing effectiveness of gas lock.
Accompanying drawing explanation
Fig. 1 is the structural representation of the charging gas lock in an embodiment of tobacco expanding drying machine in the utility model;
Fig. 2 is the I place enlarged drawing in Fig. 1.
Detailed description of the invention
The embodiment of tobacco expanding drying machine is as shown in Figure 1 and 2: tobacco expanding drying machine comprises charging gas lock, discharging gas lock, drying device and material pipe etc., and wherein drying device and material pipe belong to prior art, are no longer described in detail its structure at this.Charging gas lock is identical with the structure of discharging gas lock, now only the structure of charging gas lock is described in detail, charging gas lock comprises shell and is arranged at the impeller in shell 2, impeller comprises wheel shaft 3 and around wheel shaft scraper plate 4 circumferentially, the driving mechanism that the arranged outside of charging gas lock has live axle to rotate, driving mechanism comprises motor and speed reducer 1, and the output of reductor is in transmission connection by driving-belt 5 and wheel shaft 3.The rigid plate part 6 that scraper plate is connected due to wheel shaft and the flexible board part 7 be arranged at away from one end of wheel shaft in rigid plate part are formed, in the present embodiment, rigid plate part from metal material is made, flexible board part is made up of silica gel plate, flexible board part is provided with the adjustment elongated hole 8 extended along wheel Axial and radial, regulates in elongated hole 8 and be coated with the bolt 9 of flexible board partial fixing in rigid plate part.Gap between flexible board part and the segmental arc of shell is 0.15mm.
Because utilize flexible board part coordinate with the segmental arc of shell and complete feeding, so do not worry rubbing with scraper plate generation transition and affecting scraper plate normal rotation after casing deformation, therefore the gap between flexible board part and segmental arc can be made to accomplish 0.15mm, this ensures that there the sealing effectiveness of gas lock, silica gel plate has characteristic that is high temperature resistant, anti-aging and good springiness, therefore the long service life of silica gel plate, does not need frequent replacing, ensure that operating efficiency; Even if after there is certain deterioration, also sealing effectiveness can be ensured by mobile adjustment flexible board part.
In other embodiment of this tobacco expanding drying machine: silica gel plate can also be made by other flexible material such as rubber slab, polyfluortetraethylene plate; Rigid plate may not be to be made up of metal material, such as just adopts carbon fiber or fiberglass etc.; Regulate elongated hole can also be arranged in rigid plate part, certainly regulate elongated hole also can not establish; Flexible board part also can not be secured by bolts in rigid plate part, say by rivet or be bonded and fixed in rigid plate part; Other value of below the 0.3mm such as the gap between flexible board part and segmental arc all right 0.3mm, 0.2mm, 0.1mm, 0.05mm, or the numerical value between 0.3mm ~ 0.6mm, such as 0.4mm, 0.5mm, 0.55mm or 0.6mm etc., certain flexible board part can also directly and the direct interference fit of segmental arc inwall of shell, and now flexible board part can pass through the elastic deformation of self and the segmental arc interference fit of shell.
The embodiment of gas lock is as shown in Figure 1 and 2: the structure of gas lock and the feeding gas described in above-mentioned each tobacco expanding drying machine embodiment phase-locked with, be not described in detail in this.
The embodiment of impeller is as shown in Figure 1 and 2: the structure of impeller is identical with the impeller of the charging gas lock described in above-mentioned each tobacco expanding drying machine embodiment, is not described in detail in this.
The embodiment of scraper plate is as shown in Figure 1 and 2: the structure of scraper plate is identical with the scraper plate of the charging gas lock described in above-mentioned each tobacco expanding drying machine embodiment, is not described in detail in this.
Claims (10)
1. scraper plate, is characterized in that: scraper plate is made up of the rigid plate part for being connected with corresponding wheel shaft and the flexible board part be arranged at away from one end of described wheel shaft in rigid plate part.
2. scraper plate according to claim 1, is characterized in that: described flexible board part is made up of silica gel plate.
3. scraper plate according to claim 1 and 2, is characterized in that: described flexible board part is secured by bolts in described rigid plate part.
4. scraper plate according to claim 3, is characterized in that: rigid plate part or flexible board part are provided with the adjustment elongated hole extended along wheel Axial and radial, and described bolt is threaded onto in described adjustment elongated hole.
5. impeller, comprises wheel shaft, it is characterized in that: wheel shaft is provided with the scraper plate as described in claim 1 ~ 4.
6. gas lock, comprise shell and be arranged at the impeller in shell, impeller comprises wheel shaft and around wheel shaft scraper plate circumferentially, it is characterized in that: scraper plate is made up of the rigid plate part be connected with wheel shaft and the flexible board part be arranged at away from one end of described wheel shaft in rigid plate part.
7. gas lock according to claim 6, is characterized in that: described flexible board part is made up of silica gel plate.
8. the gas lock according to claim 6 or 7, is characterized in that: the gap between described flexible board part and the segmental arc inwall of described shell is less than 0.6mm, or the segmental arc inwall interference fit of flexible board part and described shell.
9. gas lock according to claim 7, is characterized in that: the gap between described flexible board part and the segmental arc inwall of described shell is less than 0.3mm.
10. tobacco expanding drying machine, comprises charging gas lock and discharging gas lock, it is characterized in that: charging gas lock, discharging gas lock are the gas lock described in claim 6 ~ 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520376142.8U CN204969408U (en) | 2015-06-03 | 2015-06-03 | Scraper blade and use impeller, airlock and pipe tobacco expansion drying machine of this scraper blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520376142.8U CN204969408U (en) | 2015-06-03 | 2015-06-03 | Scraper blade and use impeller, airlock and pipe tobacco expansion drying machine of this scraper blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204969408U true CN204969408U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520376142.8U Active CN204969408U (en) | 2015-06-03 | 2015-06-03 | Scraper blade and use impeller, airlock and pipe tobacco expansion drying machine of this scraper blade |
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| Country | Link |
|---|---|
| CN (1) | CN204969408U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105947553A (en) * | 2016-06-28 | 2016-09-21 | 铜陵有色兴铜机电制造有限公司 | Star type discharge valve |
| CN112340480A (en) * | 2020-11-25 | 2021-02-09 | 安化华晟生物能源有限责任公司 | Stokehole feeding system |
| CN112483664A (en) * | 2020-11-25 | 2021-03-12 | 安化华晟生物能源有限责任公司 | Discharge valve for stokehole feeding system |
-
2015
- 2015-06-03 CN CN201520376142.8U patent/CN204969408U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105947553A (en) * | 2016-06-28 | 2016-09-21 | 铜陵有色兴铜机电制造有限公司 | Star type discharge valve |
| CN112340480A (en) * | 2020-11-25 | 2021-02-09 | 安化华晟生物能源有限责任公司 | Stokehole feeding system |
| CN112483664A (en) * | 2020-11-25 | 2021-03-12 | 安化华晟生物能源有限责任公司 | Discharge valve for stokehole feeding system |
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| GR01 | Patent grant |