阅读说明：本技术 一种卧式刮刀卸料离心机卸料装置 (Discharging device of horizontal scraper discharging centrifuge ) 是由 顾逸 顾根生 高锐 沈劲松 于 2021-09-18 设计创作，主要内容包括：本发明提供了一种卧式刮刀卸料离心机卸料装置,包括刮料总成、卸料总成、气缸,卸料总成设在刮料总成的下方,气缸中设有活塞杆,刮料总成包括轴承座、第一轴承和第二轴承、刮刀轴、设在刮刀轴一端的连杆、设在刮刀轴另一端的刮刀部,卸料总成包括减速机、出料筒体、螺旋轮；第一压盖内设有第一轴套,第一轴套套设在螺旋轮上,第一气压密封圈套设在第一轴套上,第一气压密封圈上设有第一气体通道,第一压盖的内壁中设有第一气路,第二压盖内设有第二轴套,第二轴套密封套设在螺旋轮上,第二气压密封圈套设在第二轴套上,第二气压密封圈上设有第二气体通道,第二压盖的内壁中设有第二气路。本发明结构刮料和卸料效果好,使用寿命长,密封性能好。(The invention provides a discharging device of a horizontal scraper discharging centrifuge, which comprises a scraping assembly, a discharging assembly and a cylinder, wherein the discharging assembly is arranged below the scraping assembly, a piston rod is arranged in the cylinder, the scraping assembly comprises a bearing seat, a first bearing, a second bearing, a scraper shaft, a connecting rod arranged at one end of the scraper shaft and a scraper part arranged at the other end of the scraper shaft, and the discharging assembly comprises a speed reducer, a discharging barrel and a spiral wheel; the first shaft sleeve is arranged in the first gland, the first shaft sleeve is arranged on the spiral wheel in a sleeved mode, the first air pressure sealing ring is arranged on the first shaft sleeve in a sleeved mode, a first air channel is arranged on the first air pressure sealing ring, a first air channel is arranged in the inner wall of the first gland, the second shaft sleeve is arranged in the second gland, the second shaft sleeve is arranged on the spiral wheel in a sealed mode, the second air pressure sealing ring is arranged on the second shaft sleeve in a sleeved mode, a second air channel is arranged on the second air pressure sealing ring, and a second air channel is arranged in the inner wall of the second gland. The structure of the invention has good material scraping and discharging effects, long service life and good sealing performance.)

1. The utility model provides a horizontal scraper discharge centrifuge discharge apparatus, is including scraping material assembly, the assembly of unloading, cylinder, the assembly of unloading is established in the below of scraping the material assembly, be equipped with the piston rod in the cylinder, a serial communication port, scrape the material assembly and include the bearing frame, establish first bearing and second bearing in the bearing frame, scrape the axle, establish at the connecting rod of scraping axle one end, establish the scraper portion of scraping the axle other end, the connecting rod is connected with the piston rod, first bearing and second bearing cover are established at scraping epaxially, scrape the axle through first bearing and second bearing and bearing frame swivelling joint, the bearing frame deviates from the one end of being close to scraping the material assembly and is equipped with first gland, the other end of bearing frame is equipped with the bearing end cover, the one end of scraping the axle passes bearing end cover, the other end of scraping the axle passes first gland, scraper portion include with scrape axle fixed connection's scraper support, The scraper is fixedly connected with the scraper support, and the scraper blade is arranged at the material scraping end of the scraper;

the discharging assembly comprises a speed reducer, a discharging barrel and a spiral wheel arranged in the discharging barrel, the upper end of the discharging barrel is provided with a receiving hopper, the material receiving hopper is arranged below the scraper part, the lower end of the discharging cylinder body is provided with a discharging opening, one end of the discharging cylinder body facing to the speed reducer is provided with an opening, a second gland is fixedly arranged at the opening and is fixedly connected with the speed reducer, a third bearing is arranged in the second gland, a bearing cover is arranged at one end of the third bearing sleeve facing the speed reducer, the third bearing sleeve is sleeved on the spiral wheel, the spiral wheel is rotationally connected with the second gland through a third bearing, the spiral wheel passes through the second gland, the bearing cap and the speed reducer, the spiral wheel is fixedly connected with the speed reducer, and one end of the spiral wheel, which is far away from the speed reducer, is rotatably connected with one end of the discharging cylinder, which is far away from the speed reducer;

the improved pneumatic sealing device is characterized in that a first shaft sleeve is arranged in the first gland, the first shaft sleeve is arranged on the spiral wheel, a first pneumatic sealing ring sleeve is arranged on the first shaft sleeve, a first gas channel is arranged on the first pneumatic sealing ring, a first gas circuit communicated with the first gas channel is arranged in the inner wall of the first gland, a second shaft sleeve is arranged in the second gland, the second shaft sleeve is arranged on the spiral wheel in a sealing mode, a second pneumatic sealing ring sleeve is arranged on the second shaft sleeve, a second gas channel is arranged on the second pneumatic sealing ring, and a second gas circuit communicated with the second gas channel is arranged in the inner wall of the second gland.

2. The discharge device of the horizontal scraper discharge centrifuge according to claim 1, characterized in that: the bearing seat is characterized in that a third air path transversely penetrating through and a longitudinally arranged fourth air path extending towards the third air path are arranged in the inner wall of the bearing seat, the third air path is communicated with the fourth air path, a first sealing gasket is arranged between the bearing end cover and the bearing seat, a second sealing gasket is arranged between the bearing seat and the first gland, and the third air path penetrates through the bearing seat and the second sealing gasket and extends towards the first air path and is communicated with the first air path.

3. The discharge device of the horizontal scraper discharge centrifuge according to claim 2, characterized in that: the utility model discloses a quick-witted speed reducer, including screw wheel, speed reducer, position sleeve, speed reducer, screw wheel, bearing, speed reducer, bearing.

4. The discharge device of the horizontal scraper discharge centrifuge according to claim 1, characterized in that: the second shaft sleeve is a labyrinth shaft sleeve, the labyrinth shaft sleeve comprises a shaft sleeve part and a labyrinth sealing part integrated with the shaft sleeve part, one end of the second gland, which deviates from the speed reducer, is provided with a labyrinth groove, and the labyrinth sealing part is arranged in the labyrinth groove.

5. The discharge device of the horizontal scraper discharge centrifuge according to claim 1, characterized in that: the upper end of ejection of compact barrel is equipped with scrapes the material mouth, it is equipped with scrapes the material lid to scrape material mouth department, the fixed flitch of scraping that is equipped with in bottom surface of scraping the material lid.

6. The discharge device of the horizontal scraper discharge centrifuge according to claim 1, characterized in that: the first shaft sleeve is sleeved with a first sealing bush, the first sealing bush is arranged between the first pneumatic sealing ring and the first shaft sleeve, the second shaft sleeve is sleeved with a second sealing bush, and the second sealing bush is arranged between the second pneumatic sealing ring and the second shaft sleeve.

7. The discharge device of the horizontal scraper discharge centrifuge according to claim 2, characterized in that: the first gas path opening is provided with a sealing plug, one end of the third gas path facing the first sealing pad is provided with the sealing plug, the fourth gas path opening is provided with a threaded plug, and the second gas path opening is provided with the threaded plug.

8. The discharge device of the horizontal scraper discharge centrifuge according to claim 1, characterized in that: and sealing grooves are formed in the first pneumatic sealing ring and the second pneumatic sealing ring, and O-shaped rings are arranged in the sealing grooves.

9. The discharge device of a horizontal scraper discharge centrifuge according to any one of claims 1-8, wherein: the first air pressure sealing ring and the second air pressure sealing ring are double-layer U-shaped sealing rings.

10. The discharge device of claim 1, wherein the scraper blade is arranged in the horizontal scraper blade discharge centrifuge; and an indicating disc is arranged at one end of the spiral wheel extending out of the speed reducer.

Technical Field

The invention relates to the field of centrifuges, in particular to a discharging device of a horizontal scraper discharging centrifuge.

Background

Centrifuge uses as solid-liquid separation equipment in trades such as chemical industry, pharmacy, wherein uses comparatively extensive horizontal scraper to unload partial model in the centrifuge and adopts the spiral form of unloading, has according to the transmission form: belt transmission type and speed reducer direct connection type, it is fast that the spiral is unloaded to have the ejection of compact, the ejection of compact is stable advantage such as, the scheme of unloading combination with scraper centrifuge and spiral on the existing market is all not ideal in the in-service use, can't arrange adjustable scraper structure and spiral discharge apparatus rationally, the spare part that spiral discharge apparatus need be equipped with the bearing has fine leakproofness moreover, if the leakproofness is poor, will maintain spiral discharge apparatus, on the contrary, the maintenance degree of difficulty has been increased, also can shorten centrifuge's life very probably, therefore, need for a new technical scheme to solve above problem urgently.

Disclosure of Invention

The invention aims to provide a discharging device of a horizontal scraper discharging centrifuge, which can improve the matching effect of scraping and discharging, is compact in arrangement, easy to install and disassemble, good in sealing performance, capable of reducing the maintenance rate and prolonging the service life.

In order to achieve the technical purpose and achieve the technical requirements, the invention adopts the technical scheme that: the utility model provides a horizontal scraper centrifuge discharge apparatus of unloading, is including scraping material assembly, the assembly of unloading, cylinder, the assembly of unloading is established in the below of scraping the material assembly, be equipped with the piston rod in the cylinder, scrape the material assembly and include the bearing frame, establish first bearing and second bearing in the bearing frame, scrape the axle, establish at the connecting rod of scraping axle one end, establish the scraper portion of scraping the axle other end, the connecting rod is connected with the piston rod, first bearing and second bearing cover are established at scraping epaxially, scrape the axle through first bearing and second bearing and bearing frame swivelling joint, the bearing frame deviates from the one end of being close to scraping the material assembly and is equipped with first gland, the other end of bearing frame is equipped with the bearing end cover, the one end of scraping the axle passes bearing end cover, the other end of scraping the axle passes first gland, scraper portion include with scraper axle fixed connection's scraper support bracket, The scraper is fixedly connected with the scraper support, and the scraper blade is arranged at the material scraping end of the scraper;

the discharging assembly comprises a speed reducer, a discharging barrel and a spiral wheel arranged in the discharging barrel, the upper end of the discharging barrel is provided with a receiving hopper, the material receiving hopper is arranged below the scraper part, the lower end of the discharging cylinder body is provided with a discharging opening, one end of the discharging cylinder body facing to the speed reducer is provided with an opening, a second gland is fixedly arranged at the opening and is fixedly connected with the speed reducer, a third bearing is arranged in the second gland, a bearing cover is arranged at one end of the third bearing sleeve facing the speed reducer, the third bearing sleeve is sleeved on the spiral wheel, the spiral wheel is rotationally connected with the second gland through a third bearing, the spiral wheel passes through the second gland, the bearing cap and the speed reducer, the spiral wheel is fixedly connected with the speed reducer, and one end of the spiral wheel, which is far away from the speed reducer, is rotatably connected with one end of the discharging cylinder, which is far away from the speed reducer;

the improved pneumatic sealing device is characterized in that a first shaft sleeve is arranged in the first gland, the first shaft sleeve is arranged on the spiral wheel, a first pneumatic sealing ring sleeve is arranged on the first shaft sleeve, a first gas channel is arranged on the first pneumatic sealing ring, a first gas circuit communicated with the first gas channel is arranged in the inner wall of the first gland, a second shaft sleeve is arranged in the second gland, the second shaft sleeve is arranged on the spiral wheel in a sealing mode, a second pneumatic sealing ring sleeve is arranged on the second shaft sleeve, a second gas channel is arranged on the second pneumatic sealing ring, and a second gas circuit communicated with the second gas channel is arranged in the inner wall of the second gland.

As a preferred technical scheme: the bearing seat is characterized in that a third air path transversely penetrating through and a longitudinally arranged fourth air path extending towards the third air path are arranged in the inner wall of the bearing seat, the third air path is communicated with the fourth air path, a first sealing gasket is arranged between the bearing end cover and the bearing seat, a second sealing gasket is arranged between the bearing seat and the first gland, and the third air path penetrates through the bearing seat and the second sealing gasket and extends towards the first air path and is communicated with the first air path.

As a preferred technical scheme: the utility model discloses a quick-witted speed reducer, including screw wheel, speed reducer, position sleeve, speed reducer, screw wheel, bearing, speed reducer, bearing.

As a preferred technical scheme: the second shaft sleeve is a labyrinth shaft sleeve, the labyrinth shaft sleeve comprises a shaft sleeve part and a labyrinth sealing part integrated with the shaft sleeve part, one end of the second gland, which deviates from the speed reducer, is provided with a labyrinth groove, and the labyrinth sealing part is arranged in the labyrinth groove.

As a preferred technical scheme: the upper end of ejection of compact barrel is equipped with scrapes the material mouth, it is equipped with scrapes the material lid to scrape material mouth department, the fixed flitch of scraping that is equipped with in bottom surface of scraping the material lid.

As a preferred technical scheme: the first shaft sleeve is sleeved with a first sealing bush, the first sealing bush is arranged between the first pneumatic sealing ring and the first shaft sleeve, the second shaft sleeve is sleeved with a second sealing bush, and the second sealing bush is arranged between the second pneumatic sealing ring and the second shaft sleeve.

As a preferred technical scheme: the first gas path opening is provided with a sealing plug, one end of the third gas path facing the first sealing pad is provided with the sealing plug, the fourth gas path opening is provided with a threaded plug, and the second gas path opening is provided with the threaded plug.

As a preferred technical scheme: and sealing grooves are formed in the first pneumatic sealing ring and the second pneumatic sealing ring, and O-shaped rings are arranged in the sealing grooves.

As a preferred technical scheme: the first air pressure sealing ring and the second air pressure sealing ring are double-layer U-shaped sealing rings.

The invention has the beneficial effects that:

1) the scraper support can rotate to adjust a proper scraping angle, the material receiving hopper is used for receiving the scraped materials and then pushing the materials to the discharging opening through the spiral wheel, discharging is stable and efficient, and the first air pressure sealing ring and the second air pressure sealing ring can obviously improve sealing performance and prevent gas, liquid or solid from entering a gap to damage a bearing;

2) preferably, the second shaft sleeve is a labyrinth shaft sleeve, the labyrinth shaft sleeve has a good sealing effect, and gas, liquid or solid in the discharge cylinder can be effectively prevented from damaging the third bearing;

3) preferably, the scraping plate can scrape materials bonded on the spiral wheel, so that the unloading efficiency is improved, and the materials are prevented from being blocked;

4) preferably, a first sealing bush and a second sealing bush are additionally arranged, and the introduced gas can apply pressure to the first sealing bush and the second sealing bush, so that the sealing performance is further improved;

5) preferably, all be equipped with the seal groove on first pneumatic seal circle and the second pneumatic seal circle, be equipped with O type circle in the seal groove, form multistage sealed, can show promotion sealed effect.

Drawings

FIG. 1 is a front view of embodiment 1;

FIG. 2 is a front view of embodiment 2;

FIG. 3 is a right side view of embodiment 2;

FIG. 4 is an enlarged view of detail A of FIGS. 1 and 2;

fig. 5 is an enlarged view of a portion B in fig. 1 and 2;

fig. 6 is an enlarged view of a portion C of fig. 1 and 2;

fig. 7 is an enlarged view of a portion D in fig. 1 and 2.

In fig. 1-7, 1, the scraping assembly; 101. a bearing seat; 1011. a third gas path; 1012. a fourth gas path; 102. a scraper shaft; 103. a connecting rod; 104. a first gland; 1041. a first gas path; 105. a scraper section; 1051. a scraper support; 1052. a scraper; 1053. a doctor blade; 106. a bearing end cap; 107. a first bushing; 108. a first pneumatic sealing ring; 1081. a first gas passage; 1082. a first seal bushing; 109. a first bearing; 110. a second bearing; 2. a discharge assembly; 201. a discharging cylinder body; 2011. a receiving hopper; 2012. a discharge opening; 2013. scraping a material port; 202. a helical wheel; 203. a speed reducer; 204. a second gland; 2041. a second gas path; 2042. a labyrinth groove; 205. a third bearing; 206. a bearing cap; 207. a second shaft sleeve; 2071. a boss portion; 2072. a labyrinth seal portion; 208. a second pneumatic sealing ring; 2081. a second gas passage; 2082. a second seal bushing; 209. a scraping cover; 210. a scraping plate; 211. a single-layer U-shaped sealing ring; 212. a bushing; 213. a positioning sleeve; 214. covering; 3. a cylinder; 301. a piston rod; 4. an O-shaped ring; 5. a machine cover; 6. a drum; 7. an indicator panel; 8. a first gasket; 9. a second gasket; 10. a sealing plug; 11. and (4) a threaded plug.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "top", "bottom", "left", "right", "front", "back", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description of the present invention, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms described above will be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-7, a horizontal scraper discharging centrifuge discharging device includes a scraper assembly 1, a discharging assembly 2, and a cylinder 3, where the discharging assembly 2 is disposed below the scraper assembly 1, a piston rod 301 is disposed in the cylinder 3, the scraper assembly 1 includes a bearing seat 101, a first bearing 109 and a second bearing 110 disposed in the bearing seat 101, a scraper shaft 102, a connecting rod 103 disposed at one end of the scraper shaft 102, and a scraper portion 105 disposed at the other end of the scraper shaft 102, the connecting rod 103 is connected with the piston rod 301, the first bearing 109 and the second bearing 110 are sleeved on the scraper shaft 102, the scraper shaft 102 is rotatably connected with the bearing seat 101 through the first bearing 109 and the second bearing 110, a first gland 104 is disposed at one end of the bearing seat 101 away from the scraper assembly 1, a bearing end cap 106 is disposed at the other end of the bearing seat 101, one end of the scraper shaft 102 passes through the bearing cap 106, the other end of the scraper shaft 102 passes through the first gland 104, and the scraper portion 105 includes a scraper support 1051 fixedly connected with the scraper shaft 102, a scraper 1052 fixedly connected with the scraper support 1051, and a scraper blade 1053 arranged at the scraping end of the scraper 1052;

the discharging assembly 2 comprises a speed reducer 203, a discharging cylinder 201 and a spiral wheel 202 arranged inside the discharging cylinder 201, wherein a receiving hopper 2011 is arranged at the upper end of the discharging cylinder 201, the receiving hopper 2011 is arranged below the scraper part 105, a discharging opening 2012 is arranged at the lower end of the discharging cylinder 201, an opening is arranged at one end, facing the speed reducer 203, of the discharging cylinder 201, a second gland 204 is fixedly arranged at the opening, the second gland 204 is fixedly connected with the speed reducer 203, a third bearing 205 is arranged in the second gland 204, a bearing cover 206 is arranged at one end, facing the speed reducer 203, of the third bearing 205 sleeve, the third bearing 205 sleeve is arranged on the spiral wheel 202, the spiral wheel 202 is rotatably connected with the second gland 204 through the third bearing 205, the spiral wheel 202 passes through the second gland 204, the bearing covers 206 and the speed reducer 203, and the spiral wheel 202 is fixedly connected with the speed reducer 203, one end of the spiral wheel 202, which is far away from the speed reducer 203, is rotationally connected with one end of the discharging cylinder 201, which is far away from the speed reducer 203;

the centrifuge comprises a cover 5 and a rotary drum 6, a discharge cylinder 201 is installed on the cover 5 through a connecting seat, a cylinder 3 is installed on the cover 5, one end of the discharge cylinder 201 facing a speed reducer 203 extends out of the cover 5, a scraper part 105 and a receiving hopper 2011 are both installed inside the rotary drum 6, a connecting rod 103 is provided with two installation holes, one installation hole is fixedly connected with a scraper shaft 102 through a key, the other installation hole is provided with a rotating shaft, the rotating direction of the scraper shaft 102 is shown as a rotating arrow in figure 3, a piston rod 301 is fixedly connected with the rotating shaft, the cylinder 3 pushes the piston rod 301, the piston rod 301 pushes the connecting rod 103, the connecting rod 103 drives the scraper shaft 102 to rotate, a scraper blade 1053 approaches the inner wall of the rotary drum 6, so as to scrape materials on the inner wall of the rotary drum 6, the materials enter the discharge cylinder 201 from the receiving hopper 2011 below the scraper part 105 and are conveyed to a discharge opening 2012 through a spiral wheel 202, the whole arrangement is compact and reasonable, the material receiving hopper 2011 is arranged to prevent materials from being wasted, the angle of the scraper blade 1053 is adjusted through the piston rod 301 to obtain the optimal scraping effect, the piston rod 301 can retract into the air cylinder 3 without scraping, the matching effect of scraping and discharging is good, the material transportation efficiency is high, the structure is simple, and the installation and the disassembly are easy;

the first gland 104 is internally provided with a first shaft sleeve 107, the first shaft sleeve 107 is sleeved on the helical wheel 202, the first air pressure sealing ring 108 is sleeved on the first shaft sleeve 107, the first air pressure sealing ring 108 is provided with a first air channel 1081, the inner wall of the first gland 104 is internally provided with a first air passage 1041 communicated with the first air channel 1081, the second gland 204 is internally provided with a second shaft sleeve 207, the second shaft sleeve 207 is sleeved on the helical wheel 202 in a sealing manner, the second air pressure sealing ring 208 is sleeved on the second shaft sleeve 207, the second air pressure sealing ring 208 is provided with a second air channel 2081, the inner wall of the second gland 204 is internally provided with a second air channel 2041 communicated with the second air channel 2081, and because various materials separated in the centrifuge have gas, liquid or solid, the centrifuge realizes separation through high-speed rotation, and gas, liquid or fixation can enter the bearing from a rotation gap, therefore, the bearing is damaged, so that the bearing is blocked or cannot work in a rotating mode, the overhaul rate is high, when the bearing is damaged, the maintenance is very complicated, the sealing performance needs to be improved, gas with certain pressure is introduced from the first gas path 1041 and enters the first gas passage 1081 on the first gas pressure sealing ring 108, the pressure in the first gas pressure sealing ring 108 is high, the gas, liquid or solid cannot enter the first bearing 109, gas with certain pressure is introduced from the second gas path 2041 and enters the second gas passage 2081 on the second gas pressure sealing ring 208, the pressure in the second gas pressure sealing ring 208 is high, the gas, liquid or solid cannot enter the second bearing 110, and the sealing performance is improved greatly; both scraper shaft 102 and screw wheel 202 are provided with a retaining nut and a retaining washer, which are well known in the art and will not be described in detail.

As shown in fig. 1-7, a third air path 1011 passing through the inner wall of the bearing seat 101 in the transverse direction and a fourth air path 1012 extending to the third air path 1011 in the longitudinal direction are provided, the third air path 1011 communicates with the fourth air path 1012, a first sealing gasket 8 is provided between the bearing end cover 106 and the bearing seat 101, a second sealing gasket 9 is provided between the bearing seat 101 and the first gland 104, the third air path 1011 passes through the bearing seat 101 and the second sealing gasket 9 and extends to the first air path 1041 and communicates with the first air path 1041, because in actual assembly, for the axial compact assembly, the axial dimension of the second gland 204 is relatively small, and the mounting position of the second gland 204 does not have enough space to connect with an air device, a hole is drilled in the inner wall of the bearing seat 101, the third air path 1011 and the fourth air path 1012 are machined, and air enters the third air path 1011 from the fourth air path 1012, then enters the first air passage 1041, so that air can be introduced into the first air pressure sealing ring 108 more conveniently, and when the air in the first air pressure sealing ring 108 is insufficient, the air can be inflated at any time; the first sealing gasket 8 and the second sealing gasket 9 can further improve the sealing performance and prevent the third air path 1011 from leaking air.

As shown in fig. 1-7, a pot head that helical wheel 202 deviates from speed reducer 203 is equipped with bush 212, the cover is equipped with position sleeve 213 on the bush 212, position sleeve 213 and helical wheel 202 deviate from the one end sealing connection of speed reducer 203, position sleeve 213 inlays to be established in the one end that ejection of compact barrel 201 deviates from speed reducer 203, position sleeve 213 deviates from the fixed cover 214 that is equipped with of one end of speed reducer 203, be equipped with individual layer U type sealing washer 211 in the position sleeve 213, individual layer U type sealing washer 211 cover is established on helical wheel 202, and this kind of revolution mechanic is simple and practical, the installation and dismantlement of being convenient for.

As shown in fig. 1-7, the second shaft sleeve 207 is a labyrinth shaft sleeve, the labyrinth shaft sleeve includes a shaft sleeve part 2071 and a labyrinth sealing part 2072 integrated with the shaft sleeve part 2071, one end of the second gland 204 facing away from the speed reducer 203 is provided with a labyrinth groove 2042, the labyrinth sealing part 2072 is arranged in the labyrinth groove 2042, in the discharging barrel 201, a large amount of material is conveyed to the discharging opening 2012, and the second gland 204 is located at a position not far from the discharging opening 2012, so that gas, liquid or solid can easily enter the second gland 204 to damage the third bearing 205, by arranging the labyrinth shaft sleeve, the shaft sleeve can also function as a labyrinth seal for the second gland 204, the gas or liquid can enter the labyrinth groove 2042 to form a vortex, the vortex can generate a negative pressure, so that the gas and liquid can not enter the third bearing 205, if the solid enters the labyrinth groove 2042, the solid can be trapped by the labyrinth groove 2042 to cooperate with the second air pressure sealing ring 208, greatly improves the sealing performance

As shown in fig. 1 to 7, a scraping opening 2013 is formed in the upper end of the discharging cylinder 201, a scraping cover 209 is arranged at the scraping opening 2013, a scraping plate 210 is fixedly arranged on the bottom surface of the scraping cover 209, when too many materials are bonded on the spiral wheel 202, the conveying efficiency is affected, and the scraping plate 210 is arranged to scrape the excessive materials on the spiral wheel 202, so that the conveying efficiency is prevented from being affected by material blockage.

As shown in fig. 1 to 7, a first seal bushing 1082 is sleeved on the first shaft sleeve 107, the first seal bushing 1082 is disposed between the first pneumatic seal ring 108 and the first shaft sleeve 107, a second seal bushing 2082 is sleeved on the second shaft sleeve 207, the second seal bushing 2082 is disposed between the second pneumatic seal ring 208 and the second shaft sleeve 207, the first seal bushing 1082 and the second seal bushing 2082 are made of rubber, and have a thickness of 0.5 ± 0.5mm, taking the first seal bushing 1082 as an example, after gas is introduced, the gas enters the first pneumatic seal ring 108 and applies pressure to the first seal bushing 1082, so that the first seal bushing 1082 is more tightly attached to the shaft sleeve, thereby further improving the sealing performance, and providing better air tightness and preventing the gas from losing easily. The second seal bushing 2082 is identical in principle to the first seal bushing 1082.

As shown in fig. 1 to 7, a sealing plug 10 is disposed at the port of the first air path 1041, a sealing plug 10 is disposed at one end of the third air path 1011 facing the first sealing gasket 8, a threaded plug 11 is disposed at the port of the fourth air path 1012, a threaded plug 11 is disposed at the port of the second air path 2041, and air tightness of the first air path 1041, the second air path 2041, the third air path 1011, and the fourth air path 1012 is improved.

As shown in fig. 1 to 7, the first pneumatic sealing ring 108 and the second pneumatic sealing ring 208 are both provided with sealing grooves, the sealing grooves are provided with O-rings 4, taking the first pneumatic sealing ring 108 as an example, the two sealing grooves are respectively disposed on two sides of the first gas passage 1081, and the structure of the second pneumatic sealing ring 208 is the same as that of the first pneumatic sealing ring 108, in the present invention, the first gland 104 and the second gland 204 have excellent sealing performance, but the present inventors also consider that the first pneumatic sealing ring 108 and the second pneumatic sealing ring 208 may also loosen the first pneumatic sealing ring 108 and the second pneumatic sealing ring 208 due to improper inflation operation, so a sealing groove is additionally provided, and the O-rings 4 are disposed in the sealing groove to further prevent the first pneumatic sealing ring 108 and the second pneumatic sealing ring 208 from loosening.

As shown in fig. 1 to 7, the first pneumatic sealing ring 108 and the second pneumatic sealing ring 208 are double-layer U-shaped sealing rings, which have the best effect, the first gas passage 1081 is radially disposed in the middle of the first pneumatic sealing ring 108, and the second gas passage 2081 is radially disposed in the middle of the second pneumatic sealing ring 208, taking the first pneumatic sealing ring 108 as an example, after gas is introduced, the gas is extruded twice from the same first gas passage, and the U-shaped opening is compressed axially and extended radially, so that the sealing performance is greatly improved because the double-layer U-shaped sealing rings are more attached to the first gland 104 and the first shaft sleeve 107; the second pneumatic seal 208 is identical in construction to the first pneumatic seal 108.

Other sealing means, such as an O-ring 4 disposed on the contact surface of the second gland 204 and the spiral wheel 202, are well known in the art and will not be described.

As shown in fig. 1 to 7, the end of the spiral wheel 202 extending from the speed reducer 203 is connected with the indicator panel 7 through a bolt, so that the rotation speed of the spiral wheel 202 can be monitored at any time.

As shown in fig. 1-7, the first bearing 109 and the third bearing 205 are roller bearings and the second bearing 110 is a deep groove ball bearing.

The above-mentioned fixed connection can be selected from fixed connection modes such as screw connection or welding, and can be obtained by combining fig. 1 to 7, which are not described in detail.

Example 1

The utility model provides a horizontal scraper discharge centrifuge discharge apparatus, includes scraper assembly 1, the assembly 2 of unloading, cylinder 3, the assembly 2 of unloading is established in the below of scraping the material assembly 1, be equipped with piston rod 301 in the cylinder 3, scraper assembly 1 includes bearing frame 101, establishes first bearing 109 and second bearing 110 in bearing frame 101, scrapes axle 102, establishes at the connecting rod 103 of scraping axle 102 one end, establishes the scraper portion 105 at the scraper axle 102 other end, connecting rod 103 is connected through the pivot with piston rod 301, first bearing 109 and second bearing 110 cover are established on scraper axle 102, scraper axle 102 is through first bearing 109 and second bearing 110 and bearing frame 101 swivelling joint, the bearing frame 101 deviates from the one end that is close to scraper assembly 1 and is equipped with first gland 104, the other end of bearing frame 101 is equipped with bearing end cover 106, bearing end cover 106 is passed to the one end of scraper axle 102, the other end of the scraper shaft 102 passes through the first gland 104, and the scraper portion 105 includes a scraper support 1051 welded to the scraper shaft 102, a scraper 1052 fixedly connected to the scraper support 1051, and a scraper blade 1053 disposed at the scraping end of the scraper 1052;

the discharging assembly 2 comprises a speed reducer 203, a discharging cylinder 201 and a spiral wheel 202 arranged inside the discharging cylinder 201, wherein a receiving hopper 2011 is arranged at the upper end of the discharging cylinder 201, the receiving hopper 2011 is arranged below the scraper part 105, a discharging opening 2012 is arranged at the lower end of the discharging cylinder 201, an opening is arranged at one end, facing the speed reducer 203, of the discharging cylinder 201, a second gland 204 is fixedly arranged at the opening, the second gland 204 is fixedly connected with the speed reducer 203, a third bearing 205 is arranged in the second gland 204, a bearing cover 206 is arranged at one end, facing the speed reducer 203, of the third bearing 205 sleeve, the third bearing 205 sleeve is arranged on the spiral wheel 202, the spiral wheel 202 is rotatably connected with the second gland 204 through the third bearing 205, the spiral wheel 202 passes through the second gland 204, the bearing covers 206 and the speed reducer 203, and the spiral wheel 202 is fixedly connected with the speed reducer 203, one end of the spiral wheel 202, which is far away from the speed reducer 203, is rotationally connected with one end of the discharging cylinder 201, which is far away from the speed reducer 203;

a first shaft sleeve 107 is arranged in the first gland 104, the first shaft sleeve 107 is sleeved on the helical wheel 202, the first air pressure sealing ring 108 is sleeved on the first shaft sleeve 107, a first gas channel 1081 is arranged on the first air pressure sealing ring 108, a first gas passage 1041 communicated with the first gas channel 1081 is arranged in the inner wall of the first gland 104, a second shaft sleeve 207 is arranged in the second gland 204, the second shaft sleeve 207 is sleeved on the helical wheel 202 in a sealing manner, a second air pressure sealing ring 208 is sleeved on the second shaft sleeve 207, a second gas channel 2081 is arranged on the second air pressure sealing ring 208, and a second gas passage 2041 communicated with the second gas channel 2081 is arranged in the inner wall of the second gland 204;

a third gas path 1011 which transversely penetrates through and a fourth gas path 1012 which is longitudinally arranged and extends towards the third gas path 1011 are arranged in the inner wall of the bearing seat 101, the third gas path 1011 is communicated with the fourth gas path 1012, a first sealing gasket 8 is arranged between the bearing end cover 106 and the bearing seat 101, a second sealing gasket 9 is arranged between the bearing seat 101 and the first pressing cover 104, and the third gas path 1011 penetrates through the bearing seat 101 and the second sealing gasket 9, extends towards the first gas path 1041 and is communicated with the first gas path 1041;

a bushing 212 is sleeved at one end of the spiral wheel 202, which is far away from the speed reducer 203, a positioning sleeve 213 is sleeved on the bushing 212, the positioning sleeve 213 is hermetically connected with one end of the spiral wheel 202, which is far away from the speed reducer 203, the positioning sleeve 213 is embedded at one end of the discharge cylinder 201, which is far away from the speed reducer 203, a sleeve cover 214 is fixedly arranged at one end of the positioning sleeve 213, which is far away from the speed reducer 203, a single-layer U-shaped sealing ring 211 is arranged in the positioning sleeve 213, and the single-layer U-shaped sealing ring 211 is sleeved on the spiral wheel 202;

the second shaft sleeve 207 is a labyrinth shaft sleeve, the labyrinth shaft sleeve comprises a shaft sleeve part 2071 and a labyrinth sealing part 2072 integrated with the shaft sleeve part 2071, one end of the second gland 204, which is far away from the speed reducer 203, is provided with a labyrinth groove 2042, and the labyrinth sealing part 2072 is arranged in the labyrinth groove 2042;

a first sealing bush 1082 is sleeved on the first shaft sleeve 107, the first sealing bush 1082 is arranged between the first pneumatic sealing ring 108 and the first shaft sleeve 107, a second sealing bush 2082 is sleeved on the second shaft sleeve 207, the second sealing bush 2082 is arranged between the second pneumatic sealing ring 208 and the second shaft sleeve 207, and the first sealing bush 1082 and the second sealing bush 2082 are made of rubber and have the thickness of 0.5 mm;

a sealing plug 10 is arranged at the port of the first air path 1041, a sealing plug 10 is arranged at one end of the third air path 1011 facing the first sealing gasket 8, a threaded plug 11 is arranged at the port of the fourth air path 1012, and a threaded plug 11 is arranged at the port of the second air path 2041; the first pneumatic sealing ring 108 and the second pneumatic sealing ring 208 are both provided with sealing grooves, O-rings 4 are arranged in the sealing grooves, taking the first pneumatic sealing ring 108 as an example, the two sealing grooves are respectively arranged at two sides of the first gas channel 1081, and the structure of the second pneumatic sealing ring 208 is the same as that of the first pneumatic sealing ring 108;

the first pneumatic sealing ring 108 and the second pneumatic sealing ring 208 are double-layer U-shaped sealing rings, a first gas passage 1081 is radially arranged in the middle of the first pneumatic sealing ring 108, and a second gas passage 2081 is radially arranged in the middle of the second pneumatic sealing ring 208;

the first bearing 109 and the third bearing 205 are roller bearings, and the second bearing 110 is a deep groove ball bearing;

an indicating disc 7 is arranged at one end of the spiral wheel 202 extending out of the speed reducer 203.

Example 2

The utility model provides a horizontal scraper discharge centrifuge discharge apparatus, includes scrapes material assembly 1, the assembly 2 of unloading, cylinder 3, the assembly 2 of unloading is established in the below of scraping material assembly 1, be equipped with piston rod 301 in the cylinder 3, scrape material assembly 1 including bearing frame 101, establish first bearing 109 and second bearing 110 in bearing frame 101, scrape the axle 102, establish at the connecting rod 103 of scraping axle 102 one end, establish the scraper portion 105 at the scraper axle 102 other end, connecting rod 103 is connected with piston rod 301, first bearing 109 and second bearing 110 cover are established on scraper axle 102, scraper axle 102 passes through first bearing 109 and second bearing 110 and bearing frame 101 swivelling joint, the one end that bearing frame 101 deviates from and is close to scraping material assembly 1 is equipped with first gland 104, the other end of bearing frame 101 is equipped with bearing end cover 106, bearing end cover 106 is passed to scraper axle 102 one end, the other end of the scraper shaft 102 passes through the first gland 104, and the scraper portion 105 includes a scraper support 1051 fixedly connected with the scraper shaft 102, a scraper 1052 fixedly connected with the scraper support 1051, and a scraper blade 1053 arranged at the scraping end of the scraper 1052;

the discharging assembly 2 comprises a speed reducer 203, a discharging cylinder 201 and a spiral wheel 202 arranged inside the discharging cylinder 201, wherein a receiving hopper 2011 is arranged at the upper end of the discharging cylinder 201, the receiving hopper 2011 is arranged below the scraper part 105, a discharging opening 2012 is arranged at the lower end of the discharging cylinder 201, an opening is arranged at one end, facing the speed reducer 203, of the discharging cylinder 201, a second gland 204 is fixedly arranged at the opening, the second gland 204 is fixedly connected with the speed reducer 203, a third bearing 205 is arranged in the second gland 204, a bearing cover 206 is arranged at one end, facing the speed reducer 203, of the third bearing 205 sleeve, the third bearing 205 sleeve is arranged on the spiral wheel 202, the spiral wheel 202 is rotatably connected with the second gland 204 through the third bearing 205, the spiral wheel 202 passes through the second gland 204, the bearing covers 206 and the speed reducer 203, and the spiral wheel 202 is fixedly connected with the speed reducer 203, one end of the spiral wheel 202, which is far away from the speed reducer 203, is rotationally connected with one end of the discharging cylinder 201, which is far away from the speed reducer 203;

a first shaft sleeve 107 is arranged in the first gland 104, the first shaft sleeve 107 is sleeved on the helical wheel 202, the first air pressure sealing ring 108 is sleeved on the first shaft sleeve 107, a first gas channel 1081 is arranged on the first air pressure sealing ring 108, a first gas passage 1041 communicated with the first gas channel 1081 is arranged in the inner wall of the first gland 104, a second shaft sleeve 207 is arranged in the second gland 204, the second shaft sleeve 207 is sleeved on the helical wheel 202 in a sealing manner, a second air pressure sealing ring 208 is sleeved on the second shaft sleeve 207, a second gas channel 2081 is arranged on the second air pressure sealing ring 208, and a second gas passage 2041 communicated with the second gas channel 2081 is arranged in the inner wall of the second gland 204;

a third gas path 1011 which transversely penetrates through and a fourth gas path 1012 which is longitudinally arranged and extends towards the third gas path 1011 are arranged in the inner wall of the bearing seat 101, the third gas path 1011 is communicated with the fourth gas path 1012, a first sealing gasket 8 is arranged between the bearing end cover 106 and the bearing seat 101, a second sealing gasket 9 is arranged between the bearing seat 101 and the first pressing cover 104, and the third gas path 1011 penetrates through the bearing seat 101 and the second sealing gasket 9, extends towards the first gas path 1041 and is communicated with the first gas path 1041;

a bushing 212 is sleeved at one end of the spiral wheel 202, which is far away from the speed reducer 203, a positioning sleeve 213 is sleeved on the bushing 212, the positioning sleeve 213 is hermetically connected with one end of the spiral wheel 202, which is far away from the speed reducer 203, the positioning sleeve 213 is embedded at one end of the discharge cylinder 201, which is far away from the speed reducer 203, a sleeve cover 214 is fixedly arranged at one end of the positioning sleeve 213, which is far away from the speed reducer 203, a single-layer U-shaped sealing ring 211 is arranged in the positioning sleeve 213, and the single-layer U-shaped sealing ring 211 is sleeved on the spiral wheel 202;

the second shaft sleeve 207 is a labyrinth shaft sleeve, the labyrinth shaft sleeve comprises a shaft sleeve part 2071 and a labyrinth sealing part 2072 integrated with the shaft sleeve part 2071, one end of the second gland 204, which is far away from the speed reducer 203, is provided with a labyrinth groove 2042, and the labyrinth sealing part 2072 is arranged in the labyrinth groove 2042;

a first sealing bush 1082 is sleeved on the first shaft sleeve 107, the first sealing bush 1082 is arranged between the first pneumatic sealing ring 108 and the first shaft sleeve 107, a second sealing bush 2082 is sleeved on the second shaft sleeve 207, the second sealing bush 2082 is arranged between the second pneumatic sealing ring 208 and the second shaft sleeve 207, and the first sealing bush 1082 and the second sealing bush 2082 are made of rubber and have the thickness of 0.5 mm;

a sealing plug 10 is arranged at the port of the first air path 1041, a sealing plug 10 is arranged at one end of the third air path 1011 facing the first sealing gasket 8, a threaded plug 11 is arranged at the port of the fourth air path 1012, and a threaded plug 11 is arranged at the port of the second air path 2041; the first pneumatic sealing ring 108 and the second pneumatic sealing ring 208 are both provided with sealing grooves, O-rings 4 are arranged in the sealing grooves, taking the first pneumatic sealing ring 108 as an example, the two sealing grooves are respectively arranged at two sides of the first gas channel 1081, and the structure of the second pneumatic sealing ring 208 is the same as that of the first pneumatic sealing ring 108;

the first pneumatic sealing ring 108 and the second pneumatic sealing ring 208 are double-layer U-shaped sealing rings, a first gas passage 1081 is radially arranged in the middle of the first pneumatic sealing ring 108, and a second gas passage 2081 is radially arranged in the middle of the second pneumatic sealing ring 208;

a scraping opening 2013 is formed in the upper end of the discharging cylinder 201, a scraping cover 209 is arranged at the scraping opening 2013, and a scraping plate 210 is fixedly arranged on the bottom surface of the scraping cover 209;

the first bearing 109 and the third bearing 205 are roller bearings, and the second bearing 110 is a deep groove ball bearing;

an indicating disc 7 is arranged at one end of the spiral wheel 202 extending out of the speed reducer 203.

The foregoing examples are given solely for the purpose of illustrating the invention and are not to be construed as limiting the embodiments, and other variations and modifications in form thereof will be suggested to those skilled in the art upon reading the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments and all such obvious variations and modifications are deemed to be within the scope of the invention.