CN115593886A

CN115593886A - Powder metallurgy sintering furnace with self-cleaning function

Info

Publication number: CN115593886A
Application number: CN202211599272.9A
Authority: CN
Inventors: 邓保乐; 王治民; 刘裔; 朱明奕; 杨长喆; 张吉; 张海燕; 石良盛; 周广琨
Original assignee: Tianjin Academy of Ecological and Environmental Sciences
Current assignee: Tianjin Academy of Ecological and Environmental Sciences
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-01-13
Anticipated expiration: 2042-12-14
Also published as: CN115593886B

Abstract

The invention belongs to the field of special devices for metal powder, and relates to a powder metallurgy sintering furnace with a self-cleaning function, which comprises a sintering furnace shell, a conveying table and a conveying mesh belt, wherein the conveying table is arranged at one end of the sintering furnace shell, the conveying mesh belt is arranged on the surface of the conveying table, two sides of the conveying table are respectively provided with a driving mechanism, each driving mechanism comprises a round rod and a gear, the round rods are fixedly connected to one side of the conveying table, the gears are fixedly connected to one ends of the round rods, and the gear tooth surfaces are meshed with racks.

Description

Powder metallurgy sintering furnace with self-cleaning function

Technical Field

The invention relates to the field of special devices for metal powder, in particular to a powder metallurgy sintering furnace with a self-cleaning function.

Background

Powder metallurgy is a process technology for preparing metal powder or using metal powder or a mixture of metal powder and nonmetal powder as raw materials to manufacture metal materials, composite materials and various products through forming and sintering, and a powder metallurgy sintering furnace is a heat treatment device and mainly used for sintering a formed metal powder model at a high temperature, and the existing powder metallurgy sintering furnace has some problems in use:

1. after the powder metallurgy sintering furnace is sintered for a period of time, substances such as carbon deposit and nodulation can be generated in the hearth, the interior of the hearth is easily uneven, and in the working process of the furnace body, the substances are easily rubbed with the conveying mesh belt, so that part of broken slag and chippings are easily clamped in the conveying mesh belt, and the existing powder metallurgy sintering furnace is not convenient for timely cleaning the conveying mesh belt.

2. After long-time conveying, the conveying mesh belt needs to lubricate the bearings of the transmission rollers regularly, and each worker has different memorability, so that partial careless workers can forget to lubricate the bearings easily and the lubrication is not timely enough.

Disclosure of Invention

The invention aims to provide a powder metallurgy sintering furnace with a self-cleaning function, and aims to solve the problems that the conventional powder metallurgy sintering furnace in the background art is inconvenient to clean a conveying net belt in time and part of careless workers easily forget to lubricate a bearing of the conveying net belt.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a powder metallurgy fritting furnace with self-cleaning function, includes sintering furnace shell, conveying platform and conveying mesh belt, the one end at the sintering furnace shell is installed to the conveying platform, conveying mesh belt installs the surface at the conveying platform, the both sides of conveying platform all are equipped with actuating mechanism, actuating mechanism includes round bar and gear, round bar fixed connection is in one side of conveying platform, gear fixed connection is in the one end of round bar, the tooth surface meshing of gear has the rack, one side fixedly connected with fixed pipe that the rack is close to the conveying platform, the inner wall cover of fixed pipe has the stock, the one end fixedly connected with riser of stock, riser fixed connection is at the lateral wall of conveying platform, the arc cover of stock has first spring, the both ends of first spring respectively with fixed pipe and stock fixed connection, the arc of fixed pipe is equipped with cleaning mechanism, cleaning mechanism includes branch and clamp plate, on the arc of branch fixedly connected with fixed pipe, clamp plate fixed connection is on one end that fixed pipe was kept away from to branch, one side that the clamp plate is close to the gasbag pad, the lateral wall of conveying platform is connected with two rectangle boards each other the clean mechanism is equipped with the sintering mechanism lateral wall and the clean mechanism.

As a preferable technical scheme of the invention, one end of the air pipe, which is far away from the air bag cushion, is communicated with a conical frame, the conical frame is fixedly connected to the side wall of the cleaning brush, and the conical frame is positioned below the conveying mesh belt.

As a preferred technical scheme, the trigger mechanism comprises a concave plate, a rotating rod and a protective frame, the concave plate is fixedly connected to the side wall of the sintering furnace shell, the rotating rod is rotatably connected to the inner wall of the concave plate, the protective frame is fixedly connected to the arc surface of the rotating rod, a clockwork spring is sleeved on the arc surface of the rotating rod, two ends of the clockwork spring are respectively and fixedly connected with the rotating rod and the concave plate, the side wall of the concave plate is fixedly connected with a long plate, an insertion rod is inserted into the end surface of the long plate in a sliding mode, and a limiting block is fixedly connected to the bottom end of the insertion rod.

As a preferred technical scheme of the invention, the lubricating mechanism comprises a round frame, the round frame is fixedly connected to the side wall of the sintering furnace shell, a plastic bottle is inserted into the inner wall of the round frame, the bottom end of the plastic bottle is communicated with a guide pipe, one end of the guide pipe, which is far away from the plastic bottle, is communicated with the round frame, and one side of the protective frame, which is close to the plastic bottle, is fixedly connected with a bump.

As a preferable technical scheme of the invention, a third spring is sleeved on the arc surface of the inserted rod, and two ends of the third spring are respectively and fixedly connected with the inserted rod and the long plate.

As a preferable technical scheme, one end of the sintering furnace shell is provided with a detection mechanism, the detection mechanism comprises a square frame and a sliding plate, the square frame is fixedly connected to one end of the sintering furnace shell, the sliding plate is connected to the inner wall of the square frame in a sliding mode, the bottom surface of the sliding plate is fixedly connected with an L-shaped frame, a square hole is formed in one side, away from the square frame, of the L-shaped frame, the inner wall of the square hole is rotatably connected with two rotating shafts, one end, close to each other, of each rotating shaft is fixedly connected with a circular tube, the inner wall of the circular tube is connected with a sliding rod in a sliding mode, and one end, close to the square frame, of each sliding rod is fixedly connected with a scrubbing brush.

As a preferable technical scheme of the invention, the arc surface of the circular tube is fixedly connected with a fourth spring, and one end of the fourth spring, which is far away from the circular tube, is fixedly connected with the inner wall of the square hole.

As a preferable technical scheme of the invention, one side of the two rectangular plates, which is close to each other, is provided with an auxiliary mechanism, the auxiliary mechanism comprises a rotating plate, the rotating plate is rotatably connected between the two rectangular plates, one side of the rotating plate, which is close to the conveying mesh belt, is bonded with a double-sided sticker, the end surfaces of the two rectangular plates are fixedly connected with fixed plates, one side of the two fixed plates, which is close to each other, is fixedly connected with a connecting plate, one side of the connecting plate, which is close to the rotating plate, is fixedly connected with two second springs, one end, which is far away from the connecting plate, of the two second springs is fixedly connected with a scraper, and one side, which is far away from the double-sided sticker, of the rotating plate is fixedly connected with an electric heating wire.

As a preferable technical scheme of the present invention, the two second springs are symmetrically distributed on the bottom surface of the connecting plate, the electric heating wire is placed in a curved shape, and the electric heating wire is located below the scraper.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the gear, the rack, the airbag cushion and the cleaning brush are arranged, the gear can be driven to rotate by conveying materials through the conveying net belt, the airbag cushion can be extruded under the transmission of the rack, and then the conveying net belt can be conveyed with air flow, so that part of crushed slag clamped in the conveying net belt can fall out, and can be contacted with the brush of the cleaning brush while being conveyed by the conveying net belt under the action of the cleaning brush, and the fragments in the conveying net belt can be brushed down through the brushing of the cleaning brush, so that the self-cleaning effect is achieved.

2. According to the invention, by arranging the double-sided sticker, the electric heating wire and the scraper, the scrap dust blown out by the airflow can be bonded under the arrangement of the double-sided sticker, the situation that the dust flies is avoided as much as possible, the double-sided sticker can be heated under the heating of the electric heating wire, so that a worker can scrape the double-sided sticker directly through the scraper, and the use effect is better.

3. According to the invention, the protective frame, the clockwork spring, the plastic bottle, the bump and the guide pipe are arranged, the protective frame can be driven to rotate under the elastic force of the clockwork spring, the bump is enabled to impact the plastic bottle by virtue of the elastic force of the clockwork spring, so that lubricating liquid in the plastic bottle flows out of the guide pipe to a specified position, and the effect of lubricating a bearing on the conveying table can be achieved when the sintering furnace shell is started each time.

4. According to the invention, the sliding plate, the scrubbing brush and the sliding rod are arranged, the scrubbing brush can extend into the hearth through the sliding of the sliding plate, the scrubbing brush can swing back and forth in the hearth through the rotation of the rotating shaft, and if carbon deposition is generated in the hearth, the carbon deposition can fall into the L-shaped frame through the scrubbing brush, so that the effect of facilitating a worker to detect whether a large amount of carbon deposition exists in the hearth is achieved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a portion of the driving mechanism and the cleaning mechanism of the present invention;

FIG. 3 is a partial schematic view of the cleaning mechanism of the auxiliary mechanism of the present invention;

FIG. 4 is a schematic structural view of a rotating plate according to the present invention;

FIG. 5 is a schematic view of a portion of the trigger mechanism and the lubrication mechanism of the present invention;

FIG. 6 is a schematic view of the structure of FIG. 5 at A in accordance with the present invention;

FIG. 7 is a schematic view of the detecting mechanism of the present invention.

In the figure: 1. sintering the furnace shell; 101. a transfer table; 102. a conveyor belt; 2. a drive mechanism; 21. a round bar; 22. a gear; 23. a rack; 24. fixing the tube; 25. a long rod; 26. a vertical plate; 27. a first spring; 3. a cleaning mechanism; 31. a strut; 32. pressing a plate; 33. an airbag cushion; 34. an air pipe; 35. a conical frame; 36. a cleaning brush; 37. a rectangular plate; 4. an auxiliary mechanism; 41. rotating the plate; 42. pasting on both sides; 43. a fixing plate; 44. a connecting plate; 45. a second spring; 46. a squeegee; 47. an electric heating wire; 5. a trigger mechanism; 51. a concave plate; 52. a rotating rod; 53. a protective frame; 54. a clockwork spring; 55. a long plate; 56. a rod is inserted; 57. a limiting block; 58. a third spring; 6. a lubrication mechanism; 61. a round frame; 62. a plastic bottle; 63. a conduit; 64. a bump; 7. a detection mechanism; 71. a square frame; 72. a slide plate; 73. an L-shaped frame; 74. a square hole; 75. a rotating shaft; 76. a circular tube; 77. a slide bar; 78. scrubbing and brushing; 79. and a fourth spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution of a powder metallurgy sintering furnace with a self-cleaning function:

according to the drawings 1 and 2, a powder metallurgy sintering furnace with a self-cleaning function comprises a sintering furnace shell 1, a conveying table 101 and a conveying mesh belt 102, wherein the conveying table 101 is installed at one end of the sintering furnace shell 1, the conveying mesh belt 102 is installed on the surface of the conveying table 101, two sides of the conveying table 101 are respectively provided with a driving mechanism 2, each driving mechanism 2 comprises a round rod 21 and a gear 22, the round rod 21 is fixedly connected to one side of the conveying table 101, the round rod 21 is fixedly connected with a driving roller on the surface of the conveying table 101, namely, the round rod 21 rotates when the driving roller rotates, the gear 22 is fixedly connected to one end of the round rod 21, the gear 22 is only half-toothed, the tooth surface of the gear 22 is meshed with a rack 23, one side of the rack 23 close to the conveying table 101 is fixedly connected with a fixing pipe 24, the inner wall of the fixing pipe 24 is sleeved with a long rod 25, the long rod 25 is in sliding connection with the inner wall of the fixing pipe 24, one end of the long rod 25 is fixedly connected with a vertical plate 26, the vertical plate 26 is fixedly connected to the side wall of the conveying table 101, a first spring 27 is sleeved on the arc surface of the long rod 25, two ends of the first spring 27 are respectively fixedly connected with the fixing tube 24 and the long rod 25, the arc surface of the fixing tube 24 is provided with the cleaning mechanism 3, the cleaning mechanism 3 comprises a support rod 31 and a pressure plate 32, the support rod 31 is fixedly connected to the arc surface of the fixing tube 24, the pressure plate 32 is fixedly connected to one end, far away from the fixing tube 24, of the support rod 31, one side, close to the pressure plate 32, of the vertical plate 26 is bonded with the airbag cushion 33, the airbag cushion 33 is made of elastic materials and is internally provided with a cavity, internal air can be discharged when being extruded, the internal air can restore to an initial state according to self elasticity when not being extruded, the side wall of the airbag cushion 33 is communicated with an air pipe 34, one end, far away from the airbag cushion 33, of the air pipe 34 is communicated with a conical frame 35, the conical frame 35 is positioned below the conveying mesh belt 102, and the conical frame 35 plays a wider role of dispersing air flow blown out from the air pipe 34, the end face of the conveying table 101 is fixedly connected with two rectangular plates 37, one side of each of the two rectangular plates 37, which is close to each other, is fixedly connected with a cleaning brush 36, a cone frame 35 is fixedly connected to the side wall of the cleaning brush 36, and the side wall of the sintering furnace shell 1 is provided with a trigger mechanism 5 and a lubricating mechanism 6.

According to fig. 1, 3 and 4, an auxiliary mechanism 4 is disposed on a side where the two rectangular plates 37 are close to each other, the auxiliary mechanism 4 includes a rotating plate 41, the rotating plate 41 is rotatably connected between the two rectangular plates 37, a double-sided tape 42 is bonded on a side of the rotating plate 41 close to the conveyor belt 102, the double-sided tape 42 functions to bond dust brushed by the cleaning brush 36 and dust blown by the air pipe 34, a fixing plate 43 is fixedly connected to an end surface of the two rectangular plates 37, a connecting plate 44 is fixedly connected to a side where the two fixing plates 43 are close to each other, two second springs 45 are fixedly connected to a side of the connecting plate 44 close to the rotating plate 41, a scraper 46 is fixedly connected to one end of the two second springs 45 far from the connecting plate 44, the scraper 46 functions to scrape the double-sided tape 42, a heating wire 47 is fixedly connected to a side of the rotating plate 41 far from the double-sided tape 42, the heating wire 47 functions to facilitate tearing the double-sided tape 42, the two second springs 45 are symmetrically distributed on a bottom surface of the connecting plate 44, the heating wire 47 is disposed in a curved shape, which functions to make heat spreading range wider, and the heating wire 47 is located below the scraper 46.

According to fig. 1, 5 and 6, the triggering mechanism 5 comprises a concave plate 51, a rotating rod 52 and a protection frame 53, the concave plate 51 is fixedly connected to the side wall of the sintering furnace shell 1, the rotating rod 52 is rotatably connected to the inner wall of the concave plate 51, the protection frame 53 is fixedly connected to the arc surface of the rotating rod 52, the protection frame 53 is covered on the control panel of the sintering furnace shell 1 and plays a role of protecting the control panel on the sintering furnace shell 1, a clockwork spring 54 is sleeved on the arc surface of the rotating rod 52, two ends of the clockwork spring 54 are respectively and fixedly connected with the rotating rod 52 and the concave plate 51, the side wall of the concave plate 51 is fixedly connected with a long plate 55, an inserting rod 56 is inserted in the end surface of the long plate 55 in a sliding manner, a limit block 57 is fixedly connected to the bottom end of the inserting rod 56, and the limit block 57 plays a role of stabilizing the position of the protection frame 53, lubricating mechanism 6 includes circle frame 61, circle frame 61 fixed connection is at the lateral wall of sintering furnace casing 1, the inner wall of circle frame 61 is pegged graft and is had plastic bottle 62, the inside of plastic bottle 62 is equipped with the right amount of lubricated liquid, the bottom intercommunication of plastic bottle 62 has pipe 63, pipe 63 can be lubricated the bearing on the conveying platform 101 at the suitable position department of bearing on the distance conveying platform 101 with the help of two-sided adhesive tape bonding, the one end that pipe 63 kept away from plastic bottle 62 is linked together with circle frame 61, one side fixedly connected with lug 64 that protective frame 53 is close to plastic bottle 62, the arc surface cover of inserted bar 56 has third spring 58, third spring 58 plays the effect that is convenient for inserted bar 56 to drive stopper 57 resilience, the both ends of third spring 58 respectively with inserted bar 56 and long slab 55 fixed connection.

According to fig. 1 and 7, a detection mechanism 7 is arranged at one end of a sintering furnace shell 1, the detection mechanism 7 comprises a square frame 71 and a sliding plate 72, the square frame 71 is fixedly connected at one end of the sintering furnace shell 1, the sliding plate 72 is slidably connected to the inner wall of the square frame 71, an L-shaped frame 73 is fixedly connected to the bottom surface of the sliding plate 72, a square hole 74 is formed in one side, away from the square frame 71, of the L-shaped frame 73, two rotating shafts 75 are rotatably connected to the inner wall of the square hole 74, a round tube 76 is fixedly connected to one end, close to each other, of the two rotating shafts 75, a sliding rod 77 is slidably connected to the inner wall of the round tube 76, a scrubbing brush 78 is fixedly connected to one end, close to the square frame 71, of the round tube 76 is fixedly connected to a fourth spring 79, and one end, away from the round tube 76, of the fourth spring 79 is fixedly connected to the inner wall of the square hole 74.

The working principle is as follows:

s1, before a worker sinters, firstly, a sliding plate 72 is pushed into a frame 71, in the moving process of the sliding plate 72, an L-shaped frame 73 is driven to move, in the moving process, a sliding rod 77 is pulled towards the direction close to a fourth spring 79 spring, at the moment, the fourth spring 79 is compressed, so that a scrubbing brush 78 can enter the interior of a hearth in an inclined state, after the scrubbing brush 78 enters the interior of the hearth, the sliding rod 77 is pushed upwards to adjust the position, the sliding rod 77 is changed into a vertical state, a hand is stretched into the interior of the hearth to push the sliding rod 77, at the moment, the sliding rod 77 drives the scrubbing brush 78 to move until the scrubbing brush 78 contacts the inner wall of the hearth, the sliding rod 77 can be stabilized by virtue of friction force with the interior of the circular tube 76 and is not easy to slide under the effect of manual pushing force, then the sliding rod 77 is repeatedly pushed, under the action of the fourth spring 79, the sliding rod 77 can repeatedly rebound, the scrubbing brush 78 can repeatedly move in the interior of the hearth, if a large amount of carbon deposits fall into the L-shaped frame 73, the interior of the hearth can be cleaned, and the sliding rod 77 can be pulled out to enable the scrubbing brush to be conveniently pulled out, and the hearth to remove a small amount of the slag after the ash falls out, and the ash can be conveniently pulled out, and the L-shaped frame 77, and the hearth can be removed from the interior of the hearth, and the hearth can be conveniently removed from the hearth, and the hearth can be removed.

S2, when opening the sintering furnace shell 1, a worker can firstly pull the insertion rod 56, so that the insertion rod 56 drives the limiting block 57 to move upwards, until the limiting block 57 is separated from the protective frame 53, the contracted clockwork spring 54 rotates and drives the protective frame 53 to rotate, the protective frame 53 drives the bump 64 to impact the plastic bottle 62, the control panel on the sintering furnace shell 1 enables the protective frame 53 to cover the control panel, at the moment, the control panel on the sintering furnace shell 1 is exposed, the plastic bottle 62 is impacted, the internal lubricating liquid flows out of the conduit 63, the worker can bond the conduit 63 at a proper position on the transmission platform 101 through a double-sided adhesive tape in advance, the lubricating liquid flowing out of the conduit 63 drops on the bearing to achieve the effect of lubricating the bearing, then, the sintering furnace shell 1 can be opened through the control panel on the sintering furnace shell 1, after closing the sintering furnace shell 1 when the sintering furnace shell is not sintered, the protective frame 53 can be pushed in the direction far away from the plastic bottle 62, meanwhile, the insertion rod 56 is pulled upwards, the third spring stretches the protective frame 53, when the protective frame 53 is in the protective frame 53, and the protective frame 53 is in the contraction state, and the protective frame 53 is in the protective frame 53, and the protective frame 53 is in the state.

S3, when a worker sinters, the conveying mesh belt 102 conveys materials, the transmission roller on the conveying table 101 drives the gear 22 to rotate, the gear 22 drives the rack 23 to move, the fixed pipe 24 slides along the arc surface of the long rod 25, the pressing plate 32 extrudes the airbag cushion 33, the airbag cushion 33 is made of an elastic material and is internally provided with a cavity, internal air is exhausted when being extruded, the gear 22 is intermittently meshed with the rack 23 due to the fact that the gear 22 only has half teeth, the rack 23 rebounds when the rack 23 is not meshed with the gear 22, the pressing plate 32 is separated from extruding the airbag cushion 33, the airbag cushion 33 is restored to the initial state at the moment, namely the airbag cushion 33 continuously conveys air into the air pipe 34 and blows to the conveying mesh belt 102 through the conical frame 35, the cleaning brush 36 cleans crushed slag in the conveying mesh belt 102 along with the conveying of the conveying mesh belt 102, dust falling out by the cleaning brush 36 flies upwards through the air flow, the air flow and is easily blown to the conveying mesh belt 41 by the conical frame 35, when the conveying mesh belt 102 needs to scrape the double-faced heating scraper 42, the double-faced scraper is directly pulled to be attached to the heating scraper 46, and the double-faced scraper 42 is directly attached to be scraped, and then the double-faced scraper 46 is directly attached to be heated, and is attached to the heating scraper 46, and is directly attached to be heated, and is attached to the double-faced scraper 46, when the double-faced scraper 46, and is directly attached scraper 46.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a powder metallurgy fritting furnace with self-cleaning function, includes fritting furnace casing (1), conveying platform (101) and conveying mesh belt (102), its characterized in that: the conveying table (101) is installed at one end of the sintering furnace shell (1), the conveying mesh belt (102) is installed on the surface of the conveying table (101), driving mechanisms (2) are arranged on two sides of the conveying table (101), each driving mechanism (2) comprises a round rod (21) and a gear (22), the round rods (21) are fixedly connected to one side of the conveying table (101), the gears (22) are fixedly connected to one end of the round rods (21), tooth surfaces of the gears (22) are meshed with racks (23), one side, close to the conveying table (101), of each rack (23) is fixedly connected with a fixing pipe (24), and a long rod (25) is sleeved on the inner wall of each fixing pipe (24), one end fixedly connected with riser (26) of stock (25), riser (26) fixed connection is at the lateral wall of conveying platform (101), the arc surface cover of stock (25) has first spring (27), the both ends of first spring (27) respectively with fixed pipe (24) and stock (25) fixed connection, the arc surface of fixed pipe (24) is equipped with clean mechanism (3), clean mechanism (3) are including branch (31) and clamp plate (32), on the arc surface of branch (31) fixed connection fixed pipe (24), clamp plate (32) fixed connection is kept away from fixed pipe (24) in branch (31) One end of the sintering furnace shell (1) is provided with a triggering mechanism (5) and a lubricating mechanism (6), an air bag cushion (33) is bonded on one side, close to the pressing plate (32), of the vertical plate (26), the side wall of the air bag cushion (33) is communicated with an air pipe (34), the end face of the conveying table (101) is fixedly connected with two rectangular plates (37), one side, close to each other, of each rectangular plate (37) is fixedly connected with a cleaning brush (36).

2. The powder metallurgy sintering furnace with the self-cleaning function according to claim 1, wherein: one end, far away from the airbag cushion (33), of the air pipe (34) is communicated with a cone frame (35), the cone frame (35) is fixedly connected to the side wall of the cleaning brush (36), and the cone frame (35) is located below the conveying net belt (102).

3. The powder metallurgy sintering furnace with the self-cleaning function according to claim 1, wherein: trigger mechanism (5) are including notch plate (51), bull stick (52) and protection frame (53), notch plate (51) fixed connection is at the lateral wall of sintering furnace casing (1), bull stick (52) rotate the inner wall of connecting at notch plate (51), protection frame (53) fixed connection is on the arc surface of bull stick (52), the arc surface cover of bull stick (52) has clockwork spring (54), the both ends of clockwork spring (54) respectively with bull stick (52) and notch plate (51) fixed connection, the lateral wall fixedly connected with long slab (55) of notch plate (51), the terminal surface slip of long slab (55) is inserted and is equipped with inserted bar (56), the bottom fixedly connected with stopper (57) of inserted bar (56).

4. The powder metallurgy sintering furnace with self-cleaning function according to claim 3, characterized in that: lubricating mechanism (6) include circle frame (61), circle frame (61) fixed connection is at the lateral wall of fritting furnace casing (1), the inner wall of circle frame (61) is pegged graft and is had plastic bottle (62), the bottom intercommunication of plastic bottle (62) has pipe (63), the one end that plastic bottle (62) were kept away from in pipe (63) is linked together with circle frame (61), one side fixedly connected with lug (64) that protective frame (53) are close to plastic bottle (62).

5. The powder metallurgy sintering furnace with the self-cleaning function according to claim 3, is characterized in that: the arc surface of inserted bar (56) overlaps has third spring (58), the both ends of third spring (58) respectively with inserted bar (56) and long board (55) fixed connection.

6. The powder metallurgy sintering furnace with the self-cleaning function according to claim 1, wherein: one end of the sintering furnace shell (1) is provided with a detection mechanism (7), the detection mechanism (7) comprises a square frame (71) and a sliding plate (72), the square frame (71) is fixedly connected to one end of the sintering furnace shell (1), the sliding plate (72) is connected to the inner wall of the square frame (71) in a sliding mode, an L-shaped frame (73) is fixedly connected to the bottom surface of the sliding plate (72), a square hole (74) is formed in one side, away from the square frame (71), of the L-shaped frame (73), the inner wall of the square hole (74) is rotatably connected with two rotating shafts (75), two rotating shafts (75) are fixedly connected with round pipes (76) close to one another, sliding rods (77) are slidably connected to the inner wall of the round pipes (76), and one ends, close to the square frame (71), of the sliding rods (77) are fixedly connected with plate brushes (78).

7. The powder metallurgy sintering furnace with self-cleaning function according to claim 6, characterized in that: the arc surface fixedly connected with fourth spring (79) of pipe (76), the one end that pipe (76) were kept away from in fourth spring (79) and the inner wall fixed connection of square hole (74).

8. The powder metallurgy sintering furnace with the self-cleaning function according to claim 1, wherein: two one side that rectangular plate (37) are close to each other is equipped with complementary unit (4), complementary unit (4) are including changeing board (41), it connects between two rectangular plate (37) to change board (41) rotation, it has two-sided subsides (42) to change one side bonding that board (41) are close to conveying mesh belt (102), two the equal fixedly connected with fixed plate (43) of terminal surface of rectangular plate (37), two one side fixedly connected with connecting plate (44) that fixed plate (43) are close to each other, two second springs (45) of one side fixedly connected with that connecting plate (41) are close to in connecting plate (44), two one end fixedly connected with scraper blade (46) of connecting plate (44) are kept away from in second spring (45), one side fixedly connected with heating wire (47) that two-sided subsides (42) were kept away from in commentaries on classics board (41).

9. The powder metallurgy sintering furnace with self-cleaning function according to claim 8, characterized in that: the two second springs (45) are symmetrically distributed on the bottom surface of the connecting plate (44), the heating wire (47) is placed in a bent shape, and the heating wire (47) is located below the scraper (46).