CN114322562A

CN114322562A - Sintering furnace

Info

Publication number: CN114322562A
Application number: CN202111612659.9A
Authority: CN
Inventors: 毛慧琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-04-12

Abstract

The invention discloses a sintering furnace, which comprises a machine shell, wherein a working cavity is arranged in the machine shell, the lower side of the front end of the working cavity is opened, a closed cavity is arranged in the front end wall of the working cavity, a fixing mechanism, a sintering mechanism and a conveying mechanism are arranged in the machine shell, the fixing mechanism can adjust and fix the position of raw materials, the sintering mechanism can sinter the raw materials and extrude the materials during sintering, the conveying mechanism can convey sintered finished products to the outside, the position of the sintered materials is adjusted through a push plate which is arranged in the fixing mechanism and can push the sintered materials, and an air extractor which is arranged in the sintering mechanism and can extract air in the working cavity is arranged, so that oxygen in the working cavity during sintering is reduced, the oxidation of the sintered materials is avoided, and the heat loss in the working cavity is prevented through a heat insulation plate which is arranged in the conveying mechanism and can separate the working cavity from the outside.

Description

Sintering furnace

Technical Field

The application relates to the technical field of sintering furnaces, in particular to a sintering furnace.

Background

Sintering refers to a special equipment that makes the powder compact obtain the required physical, mechanical properties and microstructure through sintering. The sintering furnace is used for drying slurry on the silicon wafer, removing organic components in the slurry, completing sintering of an aluminum back surface field and a grid line, pumping out air in the furnace in order to prevent a powder pressed compact from being oxidized in the sintering process, and meanwhile, pressing the pressed compact in order to prevent the sintering from being affected by gaps in the sintering process.

Disclosure of Invention

In order to solve the problems, the invention is realized by the following technical scheme:

the motor comprises a housing, be equipped with the working chamber in the casing, working chamber front end downside opening, be equipped with closed chamber in the working chamber front end wall, be equipped with upper end open-ended downside chamber in the working chamber lower extreme wall, be equipped with the coiling chamber in the downside chamber right-hand member wall, be equipped with the initiative chamber in the working chamber upper end wall, the symmetry is equipped with two atmospheric pressure chambeies about the initiative chamber in the end wall, the atmospheric pressure chamber is kept away from and is equipped with the belt chamber in the end wall of symmetry center one side, be equipped with fixing mechanism, sintering mechanism in the casing, transport mechanism, fixing mechanism can adjust raw and other materials position and fix, sintering mechanism can sinter raw and extrude the material when the sintering, transport mechanism can transport the sintering finished product to the external world.

The fixing mechanism comprises a translation plate in sliding connection with the lower end wall of the working cavity, a bearing block is arranged above the translation plate, a hydraulic oil cavity is arranged in the bearing block, a liquid pushing plate is in sliding connection with the hydraulic oil cavity, a reset spring is connected between the liquid pushing plate and the end wall of the hydraulic oil cavity, the liquid pushing plate is fixedly connected with a liquid pushing rod, one end of the liquid pushing rod is positioned in the working cavity and is rotatably connected with the upper end face of the translation plate, a sintering cavity with an opening at the upper end is arranged in the bearing block, two sliding cavities which are symmetrical front and back are arranged in the lower end wall of the sintering cavity, a shoveling motor is arranged in the left end wall of the sliding cavity, the shoveling motor is in power connection with sliding blocks penetrating through the sliding cavity, two sliding blocks which are symmetrical left and right are arranged in the sliding cavity, the two sliding blocks are in threaded connection with a bidirectional threaded shaft, and the thread rotating directions of the two sliding blocks are opposite, sliding block fixedly connected with one end is located the connecting rod of sintering intracavity, connecting rod fixedly connected with can be with the shovel piece that sintering material shoveled, be equipped with two hydraulic pressure chambeies of symmetry around in the carrier block, the hydraulic pressure chamber, be equipped with the cushion chamber in the carrier block, the cushion chamber is connected with and can communicate the hydraulic pressure oil chamber with the selection valve in hydraulic pressure chamber, sliding connection has the buffer board in the cushion chamber, the buffer board with it is equipped with buffer spring to connect between the cushion chamber, sliding connection has the hydraulic pressure board in the hydraulic pressure chamber, hydraulic pressure board fixedly connected with one end is located the locating lever in the sintering intracavity, locating lever fixedly connected with is located the sintering intracavity and the push pedal of fixed sintering material position.

Preferably, the sintering mechanism comprises a rotating motor fixedly connected with the upper end wall of the working cavity, a pressure plate capable of extruding sintering materials in the sintering cavity is arranged in the working cavity, a lifting cavity is arranged in the pressure plate, a lifting plate is connected in the lifting cavity in a sliding manner, a lifting spring is connected between the lifting plate and the end wall of the lifting cavity, the rotating motor is in power connection with a rotating shaft with one end positioned in the lifting cavity, the rotating shaft is fixedly connected with the lifting plate, two annular grooves which are bilaterally symmetrical are arranged in the pressure plate, a pneumatic plate is connected in the pneumatic cavity in a sliding manner, a pressure spring is connected between the pneumatic plate and the lower end wall of the pneumatic cavity, a pneumatic rod with one end positioned in the annular groove is fixedly connected with the pneumatic rod, the pneumatic rod is fixedly connected with a rotating block positioned in the annular groove, and heating plates are fixedly connected with the front end wall, the rear end wall, the left end wall and the right end wall of the working cavity, the utility model discloses a pneumatic vacuum pump, including the driving shaft, driving shaft fixedly connected with intermediate wheel, belt chamber upper end wall, belt chamber, the driving shaft of driving chamber, driving shaft fixedly connected with intermediate wheel, belt chamber upper end wall rotates and is connected with one end and is located the threaded spindle of working chamber, threaded spindle fixedly connected with is located the belt pulley of belt chamber, the belt pulley with it is equipped with the belt to connect between the intermediate wheel, sliding connection has in the working chamber can strike off the scraper blade of attachment on the hot plate, the scraper blade with threaded spindle threaded connection, be equipped with the gas outlet in the driving chamber rear end wall, the gas outlet is connected and is equipped with the air extractor that is located the external world, the air extractor can with the gas escape to the external world in the working chamber.

Preferably, the transport mechanism includes translation board lower section fixed connection's rack, downside chamber right side end wall fixedly connected with coiling motor, coiling motor power is connected with the power shaft, power shaft fixedly connected with rack toothing's meshing gear, coiling motor power is connected with one end and is located the coiling axle of coiling intracavity, coiling axle fixedly connected with is located the coiling wheel of coiling intracavity, sliding connection has the stay cord board in the closed chamber, the stay cord board with closed chamber upper end wall connection is equipped with the stay cord spring, the stay cord board with it is equipped with the coiling rope to connect between the coiling wheel, stay cord board fixedly connected with can separate working chamber and external heat insulating board.

The invention provides a sintering furnace, which has the following beneficial effects: the invention adjusts the position of the sintering material by the push plate which is arranged in the fixing mechanism and can push the sintering material, fixes the sintering material at the same time, prevents the sintering material from being stuck to the sintering cavity and being difficult to take out by the shovel block which is arranged and can shovel the sintering material, reduces oxygen in the working cavity during sintering by the air extractor which is arranged in the sintering mechanism and can extract air in the working cavity, avoids oxidation of the sintering material and ensures the sintering effect by arranging the pressure plate which can compact the sintering material, prevents gaps from occurring in the sintering material and influencing the sintering quality by the pressure extractor which is arranged in the sintering mechanism and can scrape attachments on the surface of the heating plate, thereby ensuring the heating effect by arranging the conveying mechanism, thereby separating the working cavity from the external heat insulation plate by the heat insulation plate which is arranged in the conveying mechanism, thereby prevented the thermal loss in the working chamber, saved energy resource consumption, be equipped with the carrier block that can shift out the working chamber simultaneously, avoided personnel to get the material scald.

Drawings

FIG. 1 is a three-dimensional schematic view of a sintering furnace of the present invention;

FIG. 2 is a schematic view of the internal structure of a sintering furnace according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 taken at A-A;

FIG. 4 is an enlarged partial schematic view of FIG. 2 of the present invention;

fig. 5 is an enlarged view of a portion of fig. 2 of the present invention.

Detailed Description

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the accompanying 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 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 5, the present invention provides a technical solution: the utility model provides a sintering furnace, includes casing 10, be equipped with working chamber 15 in the casing 10, the downside opening of 15 front ends of working chamber, be equipped with closed chamber 27 in the 15 front end wall of working chamber, be equipped with upper end open-ended downside chamber 19 in the 15 lower endwalls of working chamber, be equipped with coiling chamber 18 in the 19 right-hand member wall of downside chamber, be equipped with initiative chamber 24 in the 15 upper end wall of working chamber, the end wall internal symmetry is equipped with two atmospheric pressure chambeies 14 about initiative chamber 24, be equipped with belt chamber 13 in the atmospheric pressure chamber 14 wall far away from symmetry center one side endwall, be equipped with fixed establishment, sintering mechanism in the casing 10, transport mechanism, fixed establishment can adjust raw and other materials position and fix, sintering mechanism can sinter raw and extrude the material when the sintering, transport mechanism can transport the sintering finished product to the external world.

The fixing mechanism comprises a translation plate 44 which is connected with the lower end wall of the working cavity 15 in a sliding manner, a bearing block 66 is arranged above the translation plate 44, a hydraulic oil cavity 31 is arranged in the bearing block 66, a liquid pushing plate 41 is connected in the hydraulic oil cavity 31 in a sliding manner, a return spring 40 is connected between the liquid pushing plate 41 and the end wall of the hydraulic oil cavity 31, the liquid pushing plate 41 is fixedly connected with a liquid pushing rod 51, one end of the liquid pushing rod is positioned in the working cavity 15 and is rotatably connected with the upper end surface of the translation plate 44, a sintering cavity 39 with an open upper end is arranged in the bearing block 66, two sliding cavities 37 which are symmetrical front and back are arranged in the lower end wall of the sintering cavity 39, a scooping motor 34 is arranged in the left end wall of the sliding cavity 37, the scooping motor 34 is dynamically connected with a sliding block 42 which penetrates through the sliding cavities 37, and two sliding blocks 42 which are symmetrical left and right are connected in the sliding cavity 37, the sliding blocks 42 are in threaded connection with a bidirectional threaded shaft 43, the thread turning directions of the two sliding blocks 42 are opposite, the sliding blocks 42 are fixedly connected with a connecting rod 35 with one end positioned in the sintering chamber 39, the connecting rod 35 is fixedly connected with a shovel block 36 capable of shoveling the sintering material, two hydraulic chambers 20 which are symmetrical front and back are arranged in the bearing block 66, the hydraulic chambers 20 are provided with buffer chambers 32 in the bearing block 66, the buffer chambers 32 are connected with a selector valve 52 capable of communicating the hydraulic oil chambers 31 with the hydraulic chambers 20, the buffer chambers 32 are in sliding connection with buffer plates 38, buffer springs 33 are connected between the buffer plates 38 and the buffer chambers 32, the hydraulic chambers 20 are in sliding connection with hydraulic plates 21, the hydraulic plates 21 are fixedly connected with positioning rods 30 with one ends positioned in the sintering chamber 39, the positioning rods 30 are fixedly connected with push plates 67 which are positioned in the sintering chamber 39 and fix the position of the sintering material, the hydraulic oil in the buffer chamber 32 is discharged to the hydraulic chamber 20 under the elastic force of the buffer spring 33, so that the two hydraulic plates 21 are driven to move towards each other, the positioning rod 30 is driven to move, the sliding chamber 37 is driven to move, and the sintered material is fixed.

The sintering mechanism comprises a rotating motor 57 fixedly connected with the upper end wall of the working cavity 15, a pressure plate 62 capable of extruding sintering materials in the sintering cavity 39 is arranged in the working cavity 15, a lifting cavity 61 is arranged in the pressure plate 62, a lifting plate 68 is slidably connected in the lifting cavity 61, a lifting spring 63 is connected between the lifting plate 68 and the end wall of the lifting cavity 61, the rotating motor 57 is in power connection with a rotating shaft 64 with one end positioned in the lifting cavity 61, the rotating shaft 64 is fixedly connected with the lifting plate 68, two annular grooves 65 which are bilaterally symmetrical are arranged in the pressure plate 62, a pneumatic plate 54 is slidably connected in the pneumatic cavity 14, a pressure spring 53 is connected with the lower end wall of the pneumatic cavity 14, and a pneumatic rod 59 with one end positioned in the annular groove 65 is fixedly connected with the pneumatic plate 54, the pneumatic rod 59 is fixedly connected with a rotating block 60 positioned in the annular groove 65, the front, rear, left and right end walls of the working cavity 15 are fixedly connected with a heating plate 11, the rotating motor 57 is in power connection with a driving shaft 56, one end of which is positioned in the driving cavity 24, the driving shaft 56 is fixedly connected with a middle wheel 55, the upper end wall of the belt cavity 13 is rotatably connected with a threaded shaft 16, one end of which is positioned in the working cavity 15, the threaded shaft 16 is fixedly connected with a belt pulley 17 positioned in the belt cavity 13, a belt 58 is connected between the belt pulley 17 and the middle wheel 55, a scraping plate 12 capable of scraping attachments on the heating plate 11 is slidably connected in the working cavity 15, the scraping plate 12 is in threaded connection with the threaded shaft 16, an air outlet 22 is arranged in the rear end wall of the driving cavity 24, and an air extractor 23 positioned outside is connected with the air outlet 22, the air pump 23 can exhaust the air in the working chamber 15 to the outside, and the air pump 23 is started to output power, so that the air in the working chamber 15 is pumped out, the air pressure in the working chamber 15 is reduced, the air pressure plate 54 slides downwards, the pressure spring 53 is compressed, and the air pressure rod 59 is driven to move downwards.

Wherein, the transportation mechanism comprises a rack 50 fixedly connected with the lower section of the translation plate 44, a winding motor 47 is fixedly connected with the right end wall of the lower side cavity 19, the winding motor 47 is in power connection with a power shaft 48, the power shaft 48 is fixedly connected with a meshing gear 49 meshed with the rack 50, the winding motor 47 is in power connection with a winding shaft 45 with one end positioned in the winding cavity 18, the winding shaft 45 is fixedly connected with a winding wheel 46 positioned in the winding cavity 18, a pull rope plate 28 is in sliding connection in the closed cavity 27, a pull rope spring 26 is connected with the upper end wall of the closed cavity 27, a winding rope 25 is connected between the pull rope plate 28 and the winding wheel 46, the pull rope plate 28 is fixedly connected with a heat insulation plate 29 capable of separating the working cavity 15 from the outside, and the winding motor 47 outputs power, thereby driving the winding shaft 45 to rotate, thereby rotating the winding wheel 46 to wind the winding rope 25, thereby pulling the rope pulling plate 28 to move the heat insulating plate 29 upward to communicate the working chamber 15 with the outside.

The invention relates to a sintering furnace, which comprises the following working procedures:

in the initial state, the pressure plate 62 is at the highest position, the two push plates 67 are farthest away, the return spring 40 is in the relaxed state, the bearing block 66 is located below the pressure plate 62, the sintering material is arranged in the sintering cavity 39, and the heat insulation plate 29 separates the working cavity 15 from the outside.

When sintering is performed, the air pump 23 is started to output power, so that air in the working chamber 15 is pumped out, the air pressure in the working chamber 15 is reduced, the air pressure plate 54 slides downwards, the pressure spring 53 is compressed, the air pressure rod 59 is driven to move downwards, the pressure plate 62 is driven to move downwards, the lifting spring 63 is stretched, the sintering material in the sintering chamber 39 is compressed, the bearing block 66 moves downwards, the return spring 40 is compressed, the buffer chamber 32 passes through the selection valve 52 and the hydraulic oil chamber 31, so that hydraulic oil in the hydraulic oil chamber 31 is discharged into the selection valve 52, the buffer plate 38 is moved, the buffer spring 33 is compressed, the bearing block 66 does not move downwards any more after the sintering material in the sintering chamber 39 is compacted, the selection valve 52 communicates the buffer chamber 32 with the hydraulic oil chamber 20, so that the hydraulic oil in the buffer chamber 32 is discharged into the hydraulic oil chamber 20 under the elastic force of the buffer spring 33, thereby driving the two hydraulic plates 21 to move towards each other, thereby driving the positioning rod 30 to move, thereby driving the sliding cavity 37 to move, and further fixing the sintering material;

when the sintering is started, the heating is started through the heating plate 11, the rotating motor 57 is started to output power, so as to drive the rotating shaft 64 to rotate, thereby driving the pressure plate 62 to rotate, thereby driving the bearing block 66 to rotate, thereby ensuring the sintering heating uniformity, the rotating motor 57 outputs power to drive the driving shaft 56 to rotate, thereby driving the intermediate wheel 55 to rotate, thereby driving the belt pulley 17 to rotate through the belt 58, thereby driving the threaded shaft 16 to rotate, thereby driving the scraper 12 to move up and down, thereby scraping off the attachments on the surface of the heating plate 11, ensuring the heating effect, when the sintering is completed, the air pump 23 is started reversely, thereby lifting the air pressure plate 54, thereby lifting the pressure plate 62 to return to the initial position, thereby returning the bearing block 66 to the initial position, thereby returning the push plate 67 to the initial position, at the moment, the winding motor 47 is started to output power, thereby driving the power shaft 48 to rotate, thereby it rotates to drive meshing gear 49 greatly, thereby drive translation board 44 forward motion, winding motor 47 output, thereby it rotates to drive winding shaft 45, thereby it rotates to drive winding wheel 46, thereby wind the coiling rope 25, thereby pulling stay cord plate 28, thereby make heat insulating board 29 upward movement, thereby make working chamber 15 and external intercommunication, thereby make carrier block 66 transport the external world, start shovel motor 34 this moment, thereby drive two sliding blocks 42 and move towards each other, thereby drive shovel block 36 and move towards each other, thereby shovel the material after the sintering, prevent to be stained with in sintering chamber 39.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sintering furnace comprising a casing (10), characterized in that: a working cavity (15) is arranged in the shell (10), the lower side of the front end of the working cavity (15) is opened, a closed cavity (27) is arranged in the front end wall of the working cavity (15), a lower side cavity (19) with an opening at the upper end is arranged in the lower end wall of the working cavity (15), a winding cavity (18) is arranged in the right end wall of the lower side cavity (19), a driving cavity (24) is arranged in the upper end wall of the working cavity (15), two air pressure cavities (14) are symmetrically arranged in the left end wall and the right end wall of the active cavity (24), a belt cavity (13) is arranged in the end wall of one side of the air pressure cavity (14) far away from the symmetrical center, a fixing mechanism, a sintering mechanism and a conveying mechanism are arranged in the casing (10), the fixing mechanism can adjust and fix the position of the raw material, the sintering mechanism can sinter raw materials and extrude the materials during sintering, and the conveying mechanism can convey sintered finished products to the outside.

2. Sintering furnace according to claim 1, characterized in that: the fixing mechanism comprises a translation plate (44) which is connected with the lower end wall of the working cavity (15) in a sliding way, a bearing block (66) is arranged above the translation plate (44), a hydraulic oil chamber (31) is arranged in the bearing block (66), a liquid pushing plate (41) is connected in the hydraulic oil cavity (31) in a sliding manner, a return spring (40) is connected between the liquid pushing plate (41) and the end wall of the hydraulic oil cavity (31), the liquid pushing plate (41) is fixedly connected with a liquid pushing rod (51) with one end positioned in the working cavity (15) and rotatably connected with the upper end surface of the translation plate (44), a sintering cavity (39) with an opening at the upper end is arranged in the bearing block (66), two sliding cavities (37) which are symmetrical front and back are arranged in the lower end wall of the sintering cavity (39), a shoveling motor (34) is arranged in the left end wall of the sliding cavity (37), and a sliding block (42) penetrating through the sliding cavity (37) is in power connection with the shoveling motor (34).

3. Sintering furnace according to claim 2, characterized in that: sliding chamber (37) sliding connection has bilateral symmetry's two sliding blocks (42), sliding block (42) and two-way threaded shaft (43) threaded connection, two the screw thread of sliding block (42) revolves to opposite, sliding block (42) fixedly connected with one end is located connecting rod (35) in sintering chamber (39), connecting rod (35) fixedly connected with shovel piece (36) that can shovel sintering material, be equipped with two hydraulic pressure chambeies (20) of symmetry around in carrier block (66), hydraulic pressure chamber (20), be equipped with cushion chamber (32) in carrier block (66), cushion chamber (32) are connected with selector valve (52), sliding connection has buffer board (38) in buffer chamber (32), buffer board (38) with it is equipped with buffer spring (33) to connect between buffer chamber (32), sliding connection has hydraulic pressure board (21) in hydraulic pressure chamber (20), the hydraulic plate (21) is fixedly connected with a positioning rod (30) with one end positioned in the sintering cavity (39), and the positioning rod (30) is fixedly connected with a push plate (67) which is positioned in the sintering cavity (39) and fixes the position of a sintering material.

4. A sintering furnace according to claim 3, characterized in that: the sintering mechanism comprises a rotating motor (57) fixedly connected with the upper end wall of the working cavity (15), a pressure plate (62) capable of extruding sintering materials in the sintering cavity (39) is arranged in the working cavity (15), a lifting cavity (61) is arranged in the pressure plate (62), a lifting plate (68) is connected in the lifting cavity (61) in a sliding way, a lifting spring (63) is connected between the lifting plate (68) and the end wall of the lifting cavity (61), the rotating motor (57) is in power connection with a rotating shaft (64) with one end positioned in the lifting cavity (61), the rotating shaft (64) is fixedly connected with the lifting plate (68), two annular grooves (65) which are symmetrical left and right are arranged in the pressure plate (62), the air pressure cavity (14) is internally and slidably connected with an air pressure plate (54), and the air pressure plate (54) is connected with the lower end wall of the air pressure cavity (14) and is provided with a pressure spring (53).

5. Sintering furnace according to claim 4, characterized in that: pneumatic plate (54) fixedly connected with one end is located pneumatic rod (59) in ring channel (65), pneumatic rod (59) fixedly connected with is located turning block (60) in ring channel (65), end wall fixedly connected with hot plate (11) about working chamber (15) is all around, rotating electrical machines (57) power connection one end is located driving shaft (56) in driving chamber (24), driving shaft (56) fixedly connected with intermediate wheel (55), belt chamber (13) upper end wall rotates and is connected with threaded shaft (16) that one end is located working chamber (15), threaded shaft (16) fixedly connected with is located belt pulley (17) in belt chamber (13), belt pulley (17) with it is equipped with belt (58) to connect between intermediate wheel (55), sliding connection has in working chamber (15) can scrape scraper blade (12) of attachment on hot plate (11), the scraper blade (12) is in threaded connection with the threaded shaft (16), an air outlet (22) is formed in the rear end wall of the driving cavity (24), the air outlet (22) is connected with an air extractor (23) located outside, and the air extractor (23) can discharge air in the working cavity (15) to the outside.

6. A sintering furnace according to claim 3, characterized in that: transport mechanism includes section fixed connection's rack (50) under translation board (44), lower side chamber (19) right-hand member wall fixedly connected with coiling motor (47), coiling motor (47) power connection has power shaft (48), power shaft (48) fixedly connected with meshing gear (49) of rack (50) meshing, coiling motor (47) power connection has one end to be located coiling axle (45) in coiling chamber (18), coiling axle (45) fixedly connected with is located coiling wheel (46) in coiling chamber (18).

7. Sintering furnace according to claim 6, characterized in that: sliding connection has stay cord board (28) in closed chamber (27), stay cord board (28) with closed chamber (27) upper end wall connects and is equipped with stay cord spring (26), stay cord board (28) with it is equipped with winding rope (25) to connect between coiling wheel (46), stay cord board (28) fixedly connected with can separate working chamber (15) and external heat insulating board (29).