CN211302858U - Silica gel stirring device capable of stirring uniformly - Google Patents

Abstract

The utility model relates to a silica gel agitating unit of stirring, include: a carrier; the stirring tank is arranged on one side of the bearing frame; and the lid fits the stirring lid of stirring tank port department, the stirring lid orientation be provided with on the side of agitator tank be used for right the silica gel raw materials in the agitator tank carries out the rabbling mechanism that stirs, the rabbling mechanism includes: the stirring shaft is rotationally connected to the stirring cover; the driving piece is arranged on the stirring cover and used for driving the stirring shaft to rotate; the first stirring paddle is connected to the stirring shaft; and the stirring assembly is arranged at the bottom of the stirring tank and is far away from one end of the stirring cover, and the bearing frame is also provided with a fastening assembly for fixing the stirring tank. The utility model discloses have and stir thorough and even effect to the silica gel raw materials in the agitator tank to can guarantee the quality of silica gel.

Description

Silica gel stirring device capable of stirring uniformly

Technical Field

The utility model belongs to the technical field of the technique of silica gel processing and specifically relates to a silica gel agitating unit of stirring is related to.

Background

At present, the silica gel is a paste formed by mixing polydimethylsiloxane as a main raw material, a cross-linking agent, a filler, a plasticizer, a coupling agent and a catalyst in a vacuum state, and is cured with water in the air at room temperature to form elastic silica rubber; in the silica gel processing process, a stirrer is often needed for stirring. A blender is a machine in which a shaft with blades rotates in a cylinder or tank to blend and mix a plurality of materials into a mixture or a suitable consistency.

Existing blenders generally include: agitator tank, stirring lid, jacking equipment and agitating unit, and this agitating unit also includes: motor and install at the epaxial puddler of stirring, when using the mixer to stir, generally mix polydimethylsiloxane raw materials and other additives together earlier and place in the agitator tank, then start jacking equipment, jacking equipment drive stirring lid closes on the agitator tank, then start motor, and the (mixing) shaft that motor drive was covered rotates, and the epaxial puddler of stirring then stirs the mixture to the material in the agitator tank to make the mixture of paste.

The above prior art solutions have the following drawbacks: present puddler generally is shaft-like or blade form, and at the stirring in-process, often can only utilize the volume width of puddler to stir the mixing material, and the puddler generally only stirs the material of agitator tank central part moreover, and the material of avris then is difficult to stir in the agitator tank to can lead to the mixing material to stir the condition incomplete, inhomogeneous, and then influence the quality of silica gel.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a silica gel agitating unit of stirring has and stirs thorough and even effect to the silica gel raw materials in the agitator tank to can guarantee the quality of silica gel.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a silica gel agitating unit of stirring includes: a carrier; the stirring tank is arranged on one side of the bearing frame; and the lid fits the stirring lid of stirring tank port department, the stirring lid orientation be provided with on the side of agitator tank be used for right the silica gel raw materials in the agitator tank carries out the rabbling mechanism that stirs, the rabbling mechanism includes: the stirring shaft is rotationally connected to the stirring cover; the driving piece is arranged on the stirring cover and used for driving the stirring shaft to rotate; the first stirring paddle is connected to the stirring shaft; and the stirring assembly is arranged at the bottom of the stirring tank and is far away from one end of the stirring cover, and the bearing frame is also provided with a fastening assembly for fixing the stirring tank.

By adopting the technical scheme, when the silica gel raw material in the stirring tank needs to be stirred, the driving piece is started, the driving piece drives the stirring shaft to rotate, and in the rotating process of the stirring shaft, the stirring shaft drives the first stirring paddle to rotate so as to fully stir the silica gel raw material in the central part of the stirring tank; by arranging the stirring component, the stirring component can fully stir the silica gel raw material at the side part in the stirring tank under the matching driving of the stirring shaft, so that the effect of thoroughly and uniformly stirring the silica gel raw material in the stirring tank can be realized, and the quality of the silica gel can be ensured; simultaneously can be convenient for fix spacing effect to the agitator tank through setting up fastening components to can prevent that the agitator tank from rocking and leading to the inhomogeneous condition of silica gel raw materials stirring.

The utility model discloses further set up to: the stirring assembly comprises a supporting block arranged at the bottom of the stirring tank; the driven shaft is rotatably connected to the supporting block; a mounting block mounted on the driven shaft; the second stirring paddles are symmetrically connected to the surface of the mounting block and are used for stirring the silica gel raw material on the upper part of the stirring tank; the third stirring paddles are symmetrically connected to the other surface of the mounting block and are used for stirring the silica gel raw material on the lower part of the stirring tank; and the connecting piece is arranged at one end of the driven shaft, which is far away from the supporting block, and is matched with the stirring shaft.

Through adopting above-mentioned technical scheme, through setting up the structure that driven shaft, second stirring rake, third stirring rake and connecting piece mutually supported, when needs stir the silica gel raw materials in the agitator tank, the (mixing) shaft can drive the driven shaft through the connecting piece and rotate, and the driven shaft then drives second stirring rake and third stirring and rotates simultaneously to can realize carrying out the effect of intensive mixing to the silica gel raw materials of avris part in the agitator tank.

The utility model discloses further set up to: the connecting piece comprises a first connecting block connected to one end of the driven shaft, which is far away from the supporting block; the second connecting block is connected to one end of the stirring shaft; and the connecting groove is arranged on the second connecting block and is clamped with the first connecting block.

Through adopting above-mentioned technical scheme, through setting up the connection structure that first connecting block and spread groove mutually supported, can be so that the (mixing) shaft drives the driven shaft and rotates.

The utility model discloses further set up to: the driving piece comprises a motor arranged on the stirring cover; the first gear is connected with the driving end of the motor in a key mode; and the second gear is in key connection with one end of the stirring shaft and is meshed with the first gear.

Through adopting above-mentioned technical scheme, when needs rotate the (mixing) shaft, starter motor, the first gear of motor drive rotates, first gear and the epaxial second gear intermeshing of stirring to make first gear drive the second gear and rotate, and then can realize carrying out the pivoted effect to the (mixing) shaft.

The utility model discloses further set up to: the fastening assembly includes: the limiting blocks are symmetrically connected to the outer walls of the two sides of the stirring tank; the U-shaped block is arranged on the bearing frame and matched with the limiting block; the limiting frame is arranged on the U-shaped block; the fixing rod penetrates through the limiting frame; the limiting plate is connected to one end, close to the U-shaped block, of the fixing rod; the strip-shaped through hole is formed in the U-shaped block and matched with the limiting plate; the stop block is connected to one end, far away from the limiting plate, of the fixed rod; and the telescopic spring is positioned between the limiting plate and the limiting frame and sleeved on the fixed rod.

By adopting the technical scheme, the stirring tank can be limited to a certain extent by arranging the structure that the limiting block is matched with the U-shaped block; simultaneously through setting up the structure that limiting plate, dead lever and expanding spring mutually supported, can further carry on spacingly to the stopper on the agitator tank to can realize carrying out the fixed effect that stabilizes to the agitator tank.

The utility model discloses further set up to: the side of the limiting block is provided with a convex block, and the U-shaped block is provided with a sliding groove matched with the convex block.

Through adopting above-mentioned technical scheme, through setting up the structure that lug and spout mutually supported, can be convenient for play certain limiting displacement to the stopper on the agitator tank to make the agitator tank can the stable stirring.

The utility model discloses further set up to: the stirring mechanism comprises a fixed frame arranged at the bottom of the stirring tank; the driven shaft is rotationally connected to the fixed frame; a mounting block mounted on the driven shaft; a plurality of second stirring paddles connected to the surface of the mounting block for stirring the silica gel raw material on the upper part of the stirring tank; the first helical gear is in key connection with one end, facing the bottom of the stirring tank, of the driven shaft; and the stirring piece is symmetrically and rotatably connected to the inner side wall of the stirring tank and meshed with the first bevel gear.

Through adopting above-mentioned technical scheme, through setting up the structure that first helical gear and stirring piece mutually supported, also can be convenient for carry out the effect of intensive mixing to the silica gel raw materials of agitator tank bottom.

The utility model discloses further set up to: the stirring piece comprises fixed blocks symmetrically arranged on the inner side wall of the stirring tank; the rotating shafts are symmetrically and rotatably connected to the fixed blocks; the second bevel gear is connected with one end of the rotating shaft, which is far away from the fixed block, in a key way and is meshed with the first bevel gear; and the fourth stirring paddle is connected to the rotating shaft and used for stirring the silica gel raw materials.

Through adopting above-mentioned technical scheme, when the driven shaft drove first helical gear and rotates, first helical gear and second helical gear intermeshing for the second helical gear drives the axis of rotation and rotates, and the axis of rotation then drives the fourth stirring rake and rotates, thereby can realize carrying out the effect of abundant even stirring to the silica gel raw materials of agitator tank bottom.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the silica gel raw material in the stirring tank needs to be stirred, a driving piece is started, the driving piece drives a stirring shaft to rotate, and in the rotating process of the stirring shaft, the stirring shaft drives a first stirring paddle to rotate so as to fully stir the silica gel raw material in the central part of the stirring tank; by arranging the stirring component, the stirring component can fully stir the silica gel raw material at the side part in the stirring tank under the matching driving of the stirring shaft, so that the effect of thoroughly and uniformly stirring the silica gel raw material in the stirring tank can be realized, and the quality of the silica gel can be ensured; meanwhile, the fixing and limiting effects on the stirring tank can be facilitated by arranging the fastening assembly, so that the condition that the stirring tank shakes to cause uneven stirring of the silica gel raw material can be prevented;

2. the stirring shaft can drive the driven shaft to rotate by arranging the connecting structure with the first connecting block and the connecting groove matched with each other;

3. through setting up the structure that lug and spout mutually supported, can be convenient for play certain limiting displacement to the stopper on the agitator tank to make the agitator tank can the stable stirring.

Drawings

Fig. 1 is a schematic view of the overall structure of the silica gel stirring device for uniformly stirring in the present invention;

FIG. 2 is a schematic structural view of the stirring mechanism of the present invention;

FIG. 3 is a schematic structural view of the fastening assembly of the present invention;

FIG. 4 is a schematic view of the structure of the limiting block and the bump of the present invention;

fig. 5 is a schematic structural diagram of another embodiment of the present invention.

In the drawings, 1, a loading frame; 11. a U-shaped block; 111. a strip-shaped through hole; 112. a chute; 12. a limiting frame; 13. fixing the rod; 131. a limiting plate; 132. a stopper; 133. a tension spring; 2. a stirring tank; 21. a support block; 22. a driven shaft; 221. a first connection block; 222. a first helical gear; 23. mounting blocks; 231. a second stirring paddle; 232. a third stirring paddle; 24. a limiting block; 241. a bump; 25. a fixed mount; 26. a fixed block; 27. a rotating shaft; 271. a second helical gear; 272. a fourth stirring paddle; 3. a stirring cover; 31. a motor; 32. a first gear; 4. a stirring shaft; 41. a first stirring paddle; 42. a second connecting block; 43. a second gear.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1, for the utility model discloses a silica gel agitating unit of stirring, include: the stirring device comprises a bearing frame 1, wherein a stirring cover 3 is connected on the bearing frame 1 in a sliding way, and a lifting driving device for driving the stirring cover 3 to move up and down is further arranged on the bearing frame 1; be provided with the agitator tank 2 of a cylindric structure below this agitator tank 3, the bottom of this agitator tank 2 is provided with the guide rail, and when the silica gel raw materials to agitator tank 2 need stir, agitator tank 2 slides along the guide rail under agitator tank 3, then under the lift drive, agitator tank 3 lid closes on this agitator tank 2, in order to stir the silica gel raw materials in agitator tank 2.

As shown in fig. 1 and 2, in order to facilitate uniform stirring of the silica gel raw material in the stirring tank 2, in the present embodiment, a stirring mechanism is provided on a side surface of the stirring lid 3 facing the stirring tank 2 so as to be rotatable, and the stirring mechanism is effective to sufficiently stir the silica gel raw material in the stirring tank 2, thereby uniformly stirring the silica gel raw material.

As shown in fig. 2, and the stirring mechanism includes: a stirring shaft 4 is rotatably connected to the stirring cover 3, a driving member for driving the stirring shaft 4 to rotate is arranged on the stirring cover 3, a first stirring paddle 41 is fixedly connected to the surface of the stirring shaft 4, and the first stirring paddle 41 is in a thread structure, so that the effect of fully stirring the silica gel raw material at the central part of the stirring tank 2 can be realized; and install the stirring subassembly in this agitator tank 2 bottom, this stirring subassembly cooperatees with the one end that this stirring lid 3 was kept away from to this (mixing) shaft 4, make (mixing) shaft 4 can drive this stirring subassembly and rotate, in order to realize carrying out the effect of intensive mixing to the silica gel raw materials of limit lateral part in agitator tank 2, thereby can realize stirring thoroughly and even effect to the silica gel raw materials in agitator tank 2, and then can guarantee the quality of silica gel.

Specifically, as shown in fig. 2, in the present embodiment, the driving member includes: install the protective housing on this stirring lid 3, fixed mounting has motor 31 in this protective housing, this motor 31 is installed in this protective housing to the contrary, and key connection has first gear 32 on the drive end of this motor 31, the one end key-type connection that runs through this stirring lid 3 at this (mixing) shaft 4 has second gear 43, this second gear 43 and this first gear 32 intermeshing, when needs rotate (mixing) shaft 4, starter motor 31, motor 31 drives first gear 32 and rotates, first gear 32 drives second gear 43 and rotates at the rotation in-process, thereby can realize carrying out the pivoted effect to (mixing) shaft 4.

More specifically, as shown in fig. 2, in the present embodiment, the stirring assembly includes: a supporting block 21 is fixedly installed at the bottom of the stirring tank 2, a driven shaft 22 is rotatably connected to the supporting block 21, a square installation block 23 is fixedly connected to one side of the driven shaft 22, which is far away from the supporting block 21, and second L-shaped stirring paddles 231 are symmetrically and fixedly connected to the corresponding side surfaces of the square installation block 23; the other two corresponding side surfaces of the mounting block 23 are also symmetrically and fixedly connected with L-shaped third stirring paddles 232; and a connecting piece is arranged at one end of the driven shaft 22 far away from the supporting block 21, and the connecting piece can connect the stirring shaft 4 with the driven shaft 22 so as to realize the effect that the stirring shaft 4 drives the driven shaft 22 to rotate.

Moreover, these two second paddles 231 all stretch out towards the direction of this agitator cap 3 to stir the raw material of the upper portion of the side in agitator tank 2, and the other two third paddles 232 all stretch out towards the direction of the bottom of agitator tank 2 to stir the raw material of the lower portion of the side in agitator tank 2.

Meanwhile, as shown in fig. 2, in the present embodiment, the connection member includes: keep away from the first connecting block 221 of one end fixedly connected with of this supporting shoe 21 at this driven shaft 22, this first connection should be square column structure, and keep away from one of this stirring lid 3 at this (mixing) shaft 4 and serve fixedly connected with second connecting block 42, still seted up on this second connecting block 42 with this first connecting block 221 mutually supported's spread groove, through setting up the connection structure of first connecting block 221 and spread groove mutually supporting, when (mixing) shaft 4 rotates, (mixing) shaft 4 can be convenient for drive driven shaft 22 and rotate, thereby can make second stirring rake 231 and third stirring rake 232 on the driven shaft 22 rotate simultaneously, carry out the effect of abundant even stirring with the silica gel raw materials of realization to the limit lateral part in agitator tank 2.

As shown in fig. 3, in order to prevent the stirring tank 2 from shaking during the stirring process to cause uneven stirring of the silica gel raw material, in the embodiment, the fastening assembly provided on the bearing frame 1 can fix and limit the stirring tank 2 conveniently, so as to prevent the stirring tank 2 from shaking.

Specifically, as shown in fig. 3, in the present embodiment, the fastening assembly includes: the outer side wall of the stirring tank 2 is symmetrically and fixedly connected with limiting blocks 24, and the two limiting blocks 24 are in rectangular structures; the two sides of the bearing frame 1 are fixedly provided with U-shaped blocks 11 matched with the limit blocks 24, U-shaped openings of the U-shaped blocks 11 face the direction of the limit blocks 24, the U-shaped blocks 11 are also provided with limit frames 12, the limit frames 12 are vertically and slidably connected with a fixed rod 13, the fixed rod 13 penetrates through the surfaces of the limit frames 12, one ends of the fixed rods 13, which are close to the U-shaped blocks 11, are fixedly connected with limit plates 131, the U-shaped blocks 11 are also provided with strip-shaped through holes 111 matched with the limit plates 131, and the limit plates 131 are inserted into the U-shaped blocks 11 along the strip-shaped through holes 111 to fix and limit the limit blocks 24; and a stop 132 is fixedly connected to an end of the fixing rod 13 far away from the position-limiting plate 131, an expansion spring 133 is disposed between the position-limiting plate 131 and the position-limiting frame 12, and the expansion spring 133 is sleeved on the fixing rod 13.

When needs fix spacing to agitator tank 2, earlier the application of force with dog 132 pull-up, dog 132 drives dead lever 13 rebound, dead lever 13 then drives limiting plate 131 and rises, at the ascending in-process of limiting plate 131, spacing 12 compresses expanding spring 133 for limiting plate 131 leaves U type piece 11 along bar through-hole 111, then can rotate limiting plate 131 through rotating this dog 132, thereby makes limiting plate 131 support and pushes up on this U type piece 11.

Then slide stopper 24 on agitator tank 2 both sides into this U type piece 11 in, then rotate this dog 132 for limiting plate 131 aims at bar through-hole 111, and under the flexible reset action of expanding spring 133, expanding spring 133 supports and pushes up limiting plate 131 and inserts in this U type piece 11 along bar through-hole 111, with spacing to stopper 24 on agitator tank 2, thereby can realize carrying out the fixed effect that stabilizes to agitator tank 2.

Preferably, as shown in fig. 3 and 4, a bump 241 is disposed on the side of the stopper 24, and a sliding groove 112 is disposed on the U-shaped block 11 and matched with the bump 241, so that the stopper 24 on the stirring tank 2 can be limited by the structure of matching the bump 241 with the sliding groove 112, and the stirring tank 2 can be stirred stably, and the silica gel raw material in the stirring tank 2 can be stirred uniformly.

Example two:

as shown in fig. 5, compared with the first embodiment, the present embodiment is different in that: this rabbling mechanism includes: fixed mounting has mount 25 in the bottom of this agitator tank 2, and this mount 25 is U type column structure, and rotates on this mount 25 and be connected with driven shaft 22, and fixed mounting has a square installation piece 23 on this driven shaft 22, and equal fixed mounting has many second stirring rake 231 on the side all around of this installation piece 23, and these some second stirring rakes 231 are used for carrying out the intensive mixing to the silica gel raw materials of agitator tank 2 upper portion.

And be connected with first helical gear 222 towards the one end key-type of agitator tank 2 bottom at this driven shaft 22, be symmetrical rotation on the inside wall of this agitator tank 2 bottom and be connected with the stirring piece, this stirring piece and this first helical gear 222 intermeshing to make this stirring piece can be convenient for carry out abundant even stirring to the silica gel raw materials of agitator tank 2 bottom.

Specifically, as shown in fig. 5, the stirring member includes: the inner side wall of the stirring tank 2 is symmetrically and fixedly provided with fixed blocks 26, the two fixed blocks 26 are rotatably connected with rotating shafts 27, the two rotating shafts 27 are fixedly connected with fourth stirring paddles 272, and the fourth stirring paddles 272 are also in a thread structure; and a second bevel gear 271 is keyed at an end of the rotating shaft 27 remote from the fixed block 26, the second bevel gear 271 being intermeshed with the first bevel gear 222.

When driven shaft 22 is rotating the in-process, driven shaft 22 drives first helical gear 222 and rotates, and first helical gear 222 then drives two second helical gears 271 simultaneously and rotates, and two second helical gears 271 drive axis of rotation 27 respectively and rotate to make axis of rotation 27 drive fourth stirring rake 272 and rotate, and then liquid can realize carrying out the effect of abundant even stirring to the silica gel raw materials of agitator tank 2 bottom.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A silica gel agitating unit of stirring includes: a carrier (1); the stirring tank (2) is arranged on one side of the bearing frame (1); and the lid fits stirring lid (3) of agitator tank (2) port department, its characterized in that, stirring lid (3) orientation be provided with on the side of agitator tank (2) be used for right silica gel raw materials in agitator tank (2) carry out the rabbling mechanism that stirs, the rabbling mechanism includes: a stirring shaft (4) rotatably connected to the stirring cover (3); the driving piece is arranged on the stirring cover (3) and used for driving the stirring shaft (4) to rotate; a first stirring paddle (41) connected to the stirring shaft (4); and the stirring assembly is arranged at the bottom of the stirring tank (2) and is far away from one end of the stirring cover (3) through the stirring shaft (4), and the bearing frame (1) is also provided with a fastening assembly for fixing the stirring tank (2).

2. The silica gel stirring device for stirring uniformly of claim 1, wherein the stirring assembly comprises: a supporting block (21) arranged at the bottom of the stirring tank (2); a driven shaft (22) rotatably connected to the supporting block (21); a mounting block (23) mounted on the driven shaft (22); the second stirring paddles (231) are symmetrically connected to the surface of the mounting block (23) and are used for stirring the silica gel raw material on the upper part of the stirring tank (2); the third stirring paddles (232) are symmetrically connected to the other surface of the mounting block (23) and are used for stirring the silica gel raw material at the lower part of the stirring tank (2); and the connecting piece is arranged at one end of the driven shaft (22) far away from the supporting block (21) and is matched with the stirring shaft (4).

3. The silica gel stirring device for stirring uniformly of claim 2, wherein the connecting piece comprises: the first connecting block (221) is connected to one end, far away from the supporting block (21), of the driven shaft (22); a second connecting block (42) connected to one end of the stirring shaft (4); and the connecting groove is arranged on the second connecting block (42) and is clamped with the first connecting block (221).

4. The silica gel stirring device for stirring uniformly of claim 1, wherein the driving member comprises: a motor (31) mounted on the stirring cover (3); a first gear (32) keyed to the drive end of the motor (31); and a second gear (43) which is connected with one end of the stirring shaft (4) in a key way and is meshed with the first gear (32).

5. The silica gel stirring device for stirring uniformly of claim 1, wherein the fastening assembly comprises: limiting blocks (24) are symmetrically connected to the outer walls of the two sides of the stirring tank (2); the U-shaped block (11) is arranged on the bearing frame (1) and matched with the limiting block (24); a limiting frame (12) arranged on the U-shaped block (11); a fixing rod (13) penetrating through the limiting frame (12); a limiting plate (131) connected to one end, close to the U-shaped block (11), of the fixing rod (13); the strip-shaped through hole (111) is formed in the U-shaped block (11) and matched with the limiting plate (131); the stop block (132) is connected to one end, far away from the limiting plate (131), of the fixing rod (13); and the extension spring (133) is positioned between the limiting plate (131) and the limiting frame (12) and sleeved on the fixing rod (13).

6. The silica gel stirring device for uniformly stirring according to claim 5, wherein a convex block (241) is arranged on the side surface of the limiting block (24), and a sliding groove (112) matched with the convex block (241) is formed on the U-shaped block (11).

7. The silica gel stirring device for uniformly stirring of claim 1, wherein the stirring mechanism comprises: a fixed frame (25) arranged at the bottom of the stirring tank (2); a driven shaft (22) rotatably connected to the fixed frame (25); a mounting block (23) mounted on the driven shaft (22); a plurality of second stirring paddles (231) which are connected on the surface of the mounting block (23) and are used for stirring the silica gel raw material on the upper part of the stirring tank (2); a first bevel gear (222) which is keyed on one end of the driven shaft (22) facing the bottom of the stirring tank (2); and the stirring piece is symmetrically and rotatably connected to the inner side wall of the stirring tank (2) and meshed with the first bevel gear (222).

8. The silica gel stirring device for stirring uniformly of claim 7, wherein the stirring member comprises: the fixed blocks (26) are symmetrically arranged on the inner side wall of the stirring tank (2); a rotating shaft (27) which is symmetrically and rotatably connected to the fixed block (26); a second bevel gear (271) which is keyed on one end of the rotating shaft (27) far away from the fixed block (26) and is meshed with the first bevel gear (222); and a fourth stirring paddle (272) connected to the rotating shaft (27) and used for stirring the silica gel raw material.

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