CN218723044U - Feeding and discharging system of muffle furnace - Google Patents

Abstract

The utility model discloses a feeding and discharging system of muffle furnace, including the main frame, the feeding and discharging subsystem, the stirring subsystem and the stripping subsystem, the stirring subsystem includes the feeding bin that locates on the main frame, the agitating unit that is used for stirring anode mud, the elevating gear that is used for adjusting roasting pan material receiving height, the stripping subsystem includes the upset frame that locates the main frame below, the roll-over table that rotates and installs on the upset frame, the upset drive assembly that is used for driving the roll-over table to overturn and the discharge hopper that is used for unloading, be equipped with on the roll-over table and be used for restricting the spacing subassembly of roasting pan and the separation of roll-over table, be used for the centering subassembly of auxiliary positioning roasting pan position and be used for shaking the subassembly of shaking the roasting pan of shaking; through the utility model discloses a structure setting can realize the automatic business turn over material of muffle furnace, need not too much manual intervention, effectively reduces workman's intensity of labour, effectively improves the last production efficiency of product simultaneously, reduces the unnecessary loss of anode mud in the production and treatment process.

Description

Feeding and discharging system of muffle furnace

Technical Field

The utility model belongs to the technical field of nonferrous metallurgy anode mud processing system, especially, relate to a business turn over material system of muffle furnace.

Background

Copper (lead) anode slime is a slime that adheres to the surface of the anode matrix or precipitates on the bottom of the electrolytic cell or is suspended in the electrolyte during electrorefining. The anode mud treatment can comprehensively recover precious metals such as gold, silver and the like and other valuable metals. The treatment of the copper (lead) anode slime generally comprises three types of pyrogenic treatment, wet treatment and wet-pyrogenic combined treatment. In the pyrogenic process treatment process, the anode slime liquid is roasted and selenium-evaporated so as to obtain selenium-evaporated slag and selenium-evaporated flue gas. In general, rotary kilns and muffle furnaces are commonly used as apparatuses for roasting and selenium steaming.

The rotary kiln is rotary movable equipment, and the problems of abrasion and sealing of the equipment can be caused due to long-term high-temperature baking outside in the operation process, so that the equipment is large in maintenance amount, high in failure rate and low in service life.

The muffle furnace is static kiln equipment built by refractory bricks, so that the maintenance amount is extremely low, and the equipment is stable and reliable. However, before the anode mud is fed into the muffle furnace inner container for roasting, the stirred anode mud needs to be manually loaded into a roasting tray, and then 2 workers lift the roasting tray (about 35 kg) filled with the anode mud to a trolley for stacking. After roasting, the trolley is pulled out of the muffle furnace liner and cooled, the roasting plate is lifted by 2 workers and manually turned for 180 degrees and placed on the discharge hopper, the sledge hammer is swung by another worker and the bottom of the roasting plate is hammered so that the bonded material is separated from the roasting plate, and the material can fall into the discharge hopper. Above muffle furnace business turn over material is whole manual work, just can manual completion need 5 workman's combination at least, and intensity of labour is big, and production efficiency is low, and the baking tray is because artifical hammering power uncontrollable and easy the serious deformation, and the disability rate is high moreover, and in addition, the anode mud spills over all the time, and the operation scene is in disorder, produces the loss of a large amount of anode mud.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art's not enough, provide a business turn over material system of muffle furnace, can realize the mechanical automation of muffle furnace business turn over material effectively, the linkageization reduces intensity of labour, improves production efficiency, improves the utilization ratio of anode mud.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a business turn over material system of muffle furnace, includes the main frame, is used for carrying the business turn over material subsystem of roasting dish, is used for stirring subsystem of the stirring of positive pole mud before the feeding and is used for the ejection of compact back roasting dish to take off the material subsystem, the stirring subsystem is including locating add feed bin on the main frame, be used for stirring the agitating unit of positive pole mud, be used for adjusting the roasting dish and connect the elevating gear of material height, take off the material subsystem including locating the upset frame on the main frame, rotate and install the roll-over table in the upset frame, be used for the drive the upset drive assembly of roll-over table upset and be used for the discharge hopper of unloading, be equipped with on the roll-over table and be used for restricting the spacing subassembly of roasting dish and roll-over table separation, be used for the centering subassembly of auxiliary positioning roasting dish position and be used for shaking the subassembly of shaking the roasting dish.

Preferably, agitating unit include the agitator frame, rotate install in agitator tank in the agitator frame, be used for controlling the rotatory rotating assembly of agitator tank, rotate install in (mixing) shaft in the agitator tank, be used for the drive (mixing) shaft pivoted driving piece and demountable installation in epaxial stirring rake is stirred, the stirring rake is followed the axial of (mixing) shaft all is equipped with a plurality ofly, and adjacent stirring rake is along the axial of (mixing) shaft and is the crisscross distribution.

Preferably, the agitator tank is open structure, and open oral area department rigid coupling has eccentric mouth, the mouth of eccentric mouth diminishes in pointing the direction of keeping away from the agitator tank gradually.

Preferably, the stirring paddle includes a sleeve portion detachably mounted on the stirring shaft, a paddle rod fixedly connected to the sleeve portion, and a paddle blade detachably mounted on the paddle rod.

Preferably, at least two blades are distributed on the blade rod at intervals along the axial direction.

Preferably, the limiting assembly comprises limiting frames arranged on two sides of the roasting plate and a linear driving piece used for driving the limiting frames to move, each limiting frame comprises a side limiting frame fixedly connected to the movable end of the linear driving piece and a top limiting frame located above the roasting plate, and before the overturning platform is not overturned, the top limiting frame and the top of the roasting plate placed on the overturning platform are arranged in a clearance mode.

Preferably, the limiting frame is made of round steel.

Preferably, the mouth part of the discharge hopper is provided with a force transmission support frame, the force transmission support frame is fixedly connected with a plurality of jacking parts for jacking the roasting disc to be separated from the limiting frame, and the force transmission support frame and the jacking parts are both formed by round steel.

Preferably, the centering assembly comprises a stop positioning block fixedly connected to one side of the overturning platform, a push plate fixedly connected to the other side of the overturning platform, and a centering cylinder for driving the push plate to move.

Preferably, the feeding and discharging subsystem comprises a transfer rail arranged at the top of the main frame, a transfer trolley arranged on the transfer rail, a mobile driving piece for driving the transfer trolley to move, a clamping component for clamping the roasting tray, a stacking transfer trolley for transferring the roasting tray in and out of the muffle furnace and a transfer rail for guiding the stacking transfer trolley to move, the clamping assembly comprises a clamping frame arranged on the transfer trolley in a lifting mode through a lifting telescopic piece, clamping telescopic pieces fixedly connected to two sides of the clamping frame and clamping jaws fixedly connected to the clamping telescopic pieces.

The technical effects of the utility model are that: through the utility model discloses a structure setting can realize the automatic business turn over material of muffle furnace, need not too much manual intervention, effectively reduces workman's intensity of labour, effectively improves the production efficiency of product simultaneously, reduces the unnecessary loss of anode mud in the production processing.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a back view of the present invention.

Fig. 4 is a partially enlarged view of C in fig. 3.

Fig. 5 is a schematic view of the working state of the roll-over stand of the stripping subsystem under two working angle states.

Fig. 6 is a front view of the present invention.

Fig. 7 is a partial enlarged view of fig. 6 at B.

FIG. 8 is a schematic diagram of the operation of the mixing tank of the mixing subsystem at two operating angles.

FIG. 9 is a schematic view of the internal structure of the agitation tank.

The reference numerals of the main technical features in the figure are as follows: 10. baking a tray; 1. a main frame; 11. a transfer track; 12. a transfer trolley; 13. stacking and transferring the trolley; 14. carrying a rail; 15. a clamping frame; 16. a lifting telescopic member; 17. clamping the telescopic piece; 18. a clamping jaw; 21. a feeding bin; 22. a lifting device; 231. a mixer frame; 232. a stirring tank; 2321. an eccentric nozzle; 233. a stirring shaft; 234. a stirring driving member; 235. a stirring paddle; 2351. a sleeve portion; 2352. a paddle lever; 2353. a paddle; 2361. a driven sprocket; 2362. a rotating electric machine; 2363. a drive sprocket; 2364. a drive chain; 31. turning over the frame; 32. a turning table; 33. a discharge hopper; 341. turning over a driving motor; 342. a driving wheel; 343. a driven wheel; 344. a drive chain; 3511. a side limiting frame; 3512. a top limit frame; 352. a linear drive; 3521. a guide bar; 3522. a guide block; 361. vibrating a frame; 362. vibrating a cylinder; 363. vibrating and beating the plate; 364. vibrating and beating the block; 365. a guide post; 366. vibrating a spring; 371. a locking positioning block; 372. pushing a plate; 373. a centering cylinder; 381. a force transmission support frame; 382. and a jacking component.

Detailed Description

The invention will be further explained by means of the following description and the attached drawings.

As shown in 1~9, a feeding and discharging system of a muffle furnace comprises a main frame 1, a feeding and discharging subsystem, a stirring subsystem and a discharging subsystem, wherein the feeding and discharging subsystem comprises a transfer rail 11, a transfer trolley 12, a movable driving member, a clamping assembly, a stacking transfer trolley 13 and a carrying rail 14, the transfer rail 11 is fixedly connected to the top of the main frame 1, and at least two transfer trolleys 12 are slidably connected to the transfer rail 11 and are respectively used for conveying feeding or discharging of a roasting tray 10; the transfer trolley 12 is provided with a movable driving member, the movable driving member can be a motor, and the movable driving member can drive the transfer trolley 12 to move.

Further, the clamping assembly is installed at the bottom of the transfer trolley 12 and used for clamping a roasting plate to carry, and comprises a clamping frame 15, a clamping telescopic piece 17 and clamping jaws 18, wherein the clamping frame 15 is installed on the transfer trolley 12 through a lifting telescopic piece 16, the lifting telescopic piece 16 can be an air cylinder, a main body of the lifting telescopic piece is fixedly connected to the transfer trolley 12, the telescopic end of the main body of the lifting telescopic piece is fixedly connected with the clamping frame 15, the two sides of the clamping frame 15 are respectively provided with the clamping telescopic piece 17, the clamping telescopic piece 17 can also be an air cylinder, the output end of the air cylinder is fixedly connected with the clamping jaws 18, and the two clamping jaws 18 are oppositely arranged.

Further, two sides of the main frame 1 are respectively provided with a carrying rail 14, and the stacking transfer trolley 13 is slidably connected to the carrying rails 14 and can relatively move along the carrying rails 14; in some embodiments, a driving structure is further mounted on the stack transfer trolley 13 for automatically driving the stack transfer trolley 13 to move, and the driving structure may be a motor which can drive the stack transfer trolley to move along the carrying track.

Specifically, stirring subsystem is including adding feed bin 21, agitating unit and elevating gear 22, add feed bin 21 install in just be located on the main frame 1 agitating unit's top, elevating gear 22 is the elevating platform, can hold the dish of baking on its mesa that goes up and down to connect the ejection of compact angle that material height adapted agitating unit through adjusting the dish of baking.

Further, the stirring device comprises a stirring frame 231, a stirring tank 232, a rotating assembly, a stirring shaft 233, a stirring driving member 234 and a stirring paddle 235, wherein the stirring frame 231 is fixed on the ground or a corresponding processing platform and is located below the main frame 1, the stirring tank 232 is rotatably mounted on the stirring frame 231 and is of an open structure, an eccentric nozzle 2321 is fixedly connected to the open structure, and a nozzle of the eccentric nozzle 2321 is gradually reduced along a direction pointing away from the stirring tank 232 so as to be used for guiding the anode mud to be discharged; the stirring shaft 233 is rotatably arranged in the stirring tank 232, a plurality of stirring paddles 235 are axially arranged on the stirring shaft 233 at intervals, and the adjacent stirring paddles 235 are distributed in a staggered manner; the stirring driving member 234 is a driving motor, and is installed on an outer wall of one end of the stirring tank 232, and an output shaft of the driving motor is inserted into the stirring tank 232 and is fixedly connected with the stirring shaft 233.

Further, the stirring paddle 235 includes a sleeve portion 2351, a paddle bar 2352 and blades 2353, the sleeve portion 2351 is detachably mounted on the stirring shaft 233 by key fitting, the paddle bar 2352 is fixedly connected to the sleeve portion 2351, two blades 2353 are arranged on the sleeve portion 2351 at intervals along the length direction, and the blades 2353 are detachably mounted on the paddle bar 2352 by bolts.

Further, rotating assembly is used for adjusting the angle of the business turn over material of stirred tank 232, and it includes driven sprocket 2361, rotating electrical machines 2362, drive sprocket 2363 and drive chain 2364, driven sprocket 2361 rigid coupling in on the outer wall of stirred tank 232, rotating electrical machines 2362 rigid coupling in on the stirring frame 231, the rigid coupling has drive sprocket 2363 on its output shaft, drive chain 2364 cooperate the cladding respectively in on driven sprocket 2361 and the drive sprocket 2363.

Specifically, the stripping subsystem comprises a turnover frame 31, a turnover table 32, a turnover driving assembly and a discharge hopper 33, wherein the turnover frame 31 is mounted below the main frame 1, and the turnover table 32 is rotatably mounted on the turnover frame 31; in the initial state of the material removing subsystem, as shown in fig. 1-2, the overturning platform and the discharging material are respectively positioned at two sides of the overturning rack, and an upper roasting plate can be placed on the overturning platform; as shown in fig. 5, the flipping table can be driven by the flipping driving assembly to flip 180 ° relative to the flipping frame 31, and at this time, the flipping table will flip over the discharge hopper.

Specifically, the overturning driving assembly includes an overturning driving motor 341, a driving wheel 342, a driven wheel 343 and a transmission chain 344, the overturning driving motor 341 is fixedly mounted on the overturning frame 31, an output shaft thereof is fixedly connected with the driving wheel 342, and the driven wheel 343 is fixedly connected to one side of the overturning platform 32 and is coaxially arranged with the overturning shaft; the transmission chain 344 is installed with the driving wheel 342 and the driven wheel 343 to form a chain wheel mechanism to drive the overturning platform 32 to overturn.

Furthermore, a limiting assembly, a centering assembly and a rapping assembly are arranged on the overturning platform 32, the limiting mechanism is used for limiting the separation of the baking tray 10 from the overturning platform 32 and comprises a limiting frame and linear driving pieces 352, two linear driving pieces 352 are respectively arranged on two sides of the overturning platform 32, and the linear driving pieces 352 are air cylinders or electric cylinders; the limiting frame is formed by welding round steel and comprises a side limiting frame 3511 and a top limiting frame 3512, the side limiting frame 3511 is fixedly connected to the output end of the linear driving piece 352, and the top limiting frame 3512 is fixedly connected to the top of the side limiting frame 3511 and is positioned above the baking tray; when the roasting tray is placed on the overturning platform 32, the limiting frame is driven by the linear driving element 352 to close, and a certain gap is formed between the bottom surface of the top limiting frame 3512 and the plane of the opening of the roasting tray.

Furthermore, two guide rods 3521 are fixedly connected to one side of the side limiting frame 3511 facing the overturning platform 32, two guide blocks 3522 are fixedly connected to two sides of the overturning platform 32 close to the corresponding side limiting frame 3511, and the guide rods 3521 penetrate through the guide blocks 3522 and are used for guiding the moving direction of the limiting frame.

Furthermore, the centering assembly is used for assisting in positioning and correcting the position of the roasting tray on the turnover table 32, and comprises a stop positioning block 371, a push plate 372 and a centering cylinder 373, wherein the stop positioning block 371 is fixedly connected to the turnover table 32 and is positioned on one side of the limiting frame, and comprises a supporting part welded on the top surface of the turnover table 32 and an inclined part used for supporting the side surface of the roasting tray, and the supporting part and the inclined part are formed by integrally bending a plate; the push plate 372 is located on the other side of the limiting frame and is arranged opposite to the stop positioning block 371, and the centering cylinder 373 is fixedly connected to the overturning platform 32 and an output shaft of the overturning platform 32 and is fixedly connected with the push plate 372.

Further, the rapping assembly is used for rapping the overturning platform 32 to separate anode mud from a roasting plate, and comprises a rapping frame 361, a rapping cylinder 362, a rapping plate 363, a rapping block 364, a guide post 365 and a rapping spring 366, wherein the rapping frame 361 is fixedly connected to the bottom of the overturning platform 32, the rapping cylinder 362 is fixedly connected thereto, the rapping plate 363 is fixedly connected to the output end of the rapping cylinder 362 and is connected to the limiting position through a bolt and the rapping block 364, the rapping block 364 is located above the rapping plate 363 and is provided with a guide hole thereon, the guide post 365 is fixedly connected to the rapping block 364, the rapping block 364 is penetratingly arranged on the rapping plate and is correspondingly inserted into the guide hole, and the rapping spring is sleeved on the guide post 365 and is located between the rapping plate 363 and the rapping block 364.

Furthermore, a force transmission support frame 381 is installed at the opening of the discharge hopper 33, a plurality of jacking parts 382 are welded on the force transmission support frame 381, the force transmission support frame 381 and the jacking parts 382 are round steel tubes, and the jacking parts 382 can jack and press the baking tray to separate from the top limit frame 3512 when the baking tray is reversely buckled on the force transmission support frame 381.

The utility model discloses a concrete implementation process as follows: the empty roasting tray is firstly arranged on a lifting platform of the stirring subsystem, the height of the lifting platform is adjusted, the stirring tank 232 is rotated to a proper material receiving angle, and the stirred material is pushed into the roasting tray through the rotating stirring paddle 235. After the roasting tray is filled with materials, the roasting tray is transferred to a stacking transfer trolley 13 for feeding through a transfer trolley 12 on one side, and after the stacking is finished, the stacking transfer trolley 13 transfers the materials to an inner container of a muffle furnace for roasting.

After roasting is finished, the stacking transfer trolley 13 transfers materials to the side of the material removing subsystem from the carrying rail 14 on the other side, the transfer trolley 12 on the other side transfers the roasting tray to the overturning platform 32, at the moment, the overturning platform 32 is located at the initial position of 0 degree horizontally, then the limiting frame is driven by the linear driving piece 352 to cover the roasting tray, and a certain gap is reserved between the top limiting frame 3512 and the top side of the roasting tray.

The inversion drive assembly is then activated to rotate the inversion table 32 in a forward direction 180. During the turning process, the top side of the roasting pan is automatically attached with a top limit bracket 3512 due to the action of gravity. After the overturning platform 32 rotates to 180 degrees, the top side of the roasting tray is supported by a force-transferring supporting piece on the discharging hopper 33, and the jacking piece 382 jacks the roasting tray to separate from the top limiting frame 3512, so that the limiting frame is in an unstressed unloading state; the rapping assembly is then started and the bottom side of the roasting plate is rapped so that the material in the roasting plate is rapped and separated and falls into the discharge hopper 33. After the roasting tray is unloaded, the overturning driving assembly is started again, the overturning platform 32 is reversely rotated by 180 degrees, the overturning platform 32 is returned to the initial horizontal position by 0 degree, then the push block stretches out, the roasting tray is pushed to laterally push the stop positioning block 371, the centering of the roasting tray is completed, then the empty roasting tray is re-moved to the lifting platform through the moving trolley 12, the actions are repeated, and therefore the mechanical automation of feeding and discharging of the muffle furnace is achieved.

The above description is only the specific embodiments of the present invention, but the structural features of the present invention are not limited thereto, the present invention can be used in similar products, and any person skilled in the art is in the field of the present invention, and all the changes or modifications made are covered by the claims of the present invention.

Claims (10)

1. The utility model provides a business turn over material system of muffle furnace which characterized in that: including main frame (1), be used for carrying the business turn over material subsystem of baking dish (10), be used for the stirring subsystem of the stirring of positive pole mud before the feeding and be used for the ejection of compact back baking dish (10) to take off the material subsystem, the stirring subsystem is including locating add feed bin (21) on main frame (1), be used for stirring the agitating unit of positive pole mud and be used for adjusting baking dish (10) and connect elevating gear (22) of material height, take off the material subsystem including locating upset frame (31) of main frame (1) below, rotate and install upset platform (32) on upset frame (31), be used for the drive the upset drive assembly of upset platform (32) upset and be used for unloading hopper (33), be equipped with on upset platform (32) and be used for restricting the spacing subassembly of baking dish (10) and upset platform (32) separation, be used for the centering subassembly of auxiliary positioning baking dish (10) position and be used for the subassembly of rapping baking dish (10).

2. The muffle furnace charging and discharging system of claim 1, wherein: agitating unit include agitator frame (231), rotate install in agitator tank (232) on agitator frame (231), be used for controlling rotatory rotating assembly of agitator tank (232), rotate install in (mixing) shaft (233) in agitator tank (232), be used for the drive (mixing) shaft (233) pivoted driving piece and demountable installation in stirring rake (235) on (mixing) shaft (233), stirring rake (235) are followed the axial of (mixing) shaft (233) all is equipped with a plurality ofly, and adjacent stirring rake (235) are crisscross the distribution along the axial of (mixing) shaft (233).

3. The muffle furnace charging and discharging system of claim 2, wherein: the agitator tank (232) is open structure, and open oral area department rigid coupling has eccentric mouth (2321), the mouth of eccentric mouth (2321) diminishes in pointing away from the direction of agitator tank (232) gradually.

4. The muffle furnace charging and discharging system of claim 2, wherein: the stirring paddle (235) comprises a sleeve portion (2351) detachably mounted on the stirring shaft (233), a paddle rod (2352) fixedly connected to the sleeve portion (2351), and a paddle (2353) detachably mounted on the paddle rod (2352).

5. The feed and discharge system of a muffle of claim 4, wherein: at least two blades (2353) are axially and alternately distributed on the paddle rod (2352).

6. The muffle furnace charging and discharging system of claim 1, wherein: spacing subassembly including install in roast dish (10) both sides spacing frame and the linear actuator (352) that are used for driving spacing frame and remove, spacing frame include the rigid coupling in side spacing frame (3511) on the expansion end of linear actuator (352) and be located roast dish (10) top spacing frame (3512), before roll-over table (32) do not overturn, spacing frame (3512) in top and place and be the clearance setting between roast dish (10) top on roll-over table (32).

7. The muffle furnace charging and discharging system of claim 6, wherein: the limiting frame is made of round steel.

8. The muffle furnace charging and discharging system of claim 1, wherein: the opening part of the discharging hopper (33) is provided with a force transmission support frame (381), the force transmission support frame (381) is fixedly connected with a plurality of jacking parts (382) used for jacking the baking tray (10) to be separated from the limiting frame, and the force transmission support frame (381) and the jacking parts (382) are all formed by round steel.

9. The muffle furnace charging and discharging system of claim 1, wherein: the centering assembly comprises a stop positioning block (371) fixedly connected to one side of the overturning platform (32), a push plate (372) fixedly connected to the other side of the overturning platform (32) and a centering cylinder (373) used for driving the push plate (372) to move.

10. The muffle furnace charging and discharging system of claim 1, wherein: the business turn over material subsystem is including locating move year track (11), locate of main frame (1) top move year on year track (11) move year dolly (12), be used for driving move year dolly (12) removal the removal driving piece, be used for the centre gripping subassembly of centre gripping roasting dish (10), be used for business turn over muffle furnace transport roasting dish (10) the stack transfer dolly (13) and be used for the direction stack to transfer the transport track (14) of dolly (13) motion, the centre gripping subassembly include through lift extensible member (16) liftable install in move year dolly (12) on centre gripping extensible member (15), rigid coupling in the centre gripping extensible member (17) and the rigid coupling of centre gripping extensible member (15) both sides in clamping jaw (18) on centre gripping extensible member (17).

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