Silicon carbide ceramic composite material reaction sintering furnace

Abstract

The utility model discloses a silicon carbide ceramic composite material reaction sintering furnace, and relates to the technical field of silicon carbide ceramic composite material processing. The furnace comprises a furnace body, a through groove is formed in one inner side wall of the furnace body, a limiting groove is formed in the other inner side wall of the furnace body, a filter assembly is arranged in the furnace body and comprises a connecting cylinder and a filter plate, and one side of the filter plate penetrates through the through groove and is inserted into the limiting groove; and a linkage assembly is arranged above the furnace body. According to the utility model, the filtering assembly is arranged to prevent the silicon carbide ceramic composite material raw material from blocking the filtering holes in the filtering plate, so that the filtering of the silicon carbide ceramic composite material raw material is accelerated, and the linkage assembly is arranged to reduce the electricity consumption and add the silicon carbide ceramic composite material raw material into the furnace body in a distributed manner; the raw materials of the silicon carbide ceramic composite material are heated uniformly, and the silicon carbide ceramic composite material is sintered more uniformly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to silicon carbide ceramic composite material processing technical field, in particular to a kind of silicon carbide ceramic composite material reaction sintering furnace. BACKGROUND

[0002] Silicon carbide ceramic composite material refers to a kind of composite material by silicon carbide fiber as reinforcing material, silicon carbide ceramic as continuous phase, and silicon carbide ceramic composite material combines the high temperature stability, high strength, oxidation resistance, corrosion resistance and impact resistance and other advantages of silicon carbide ceramic, while overcoming the low fracture toughness and the shortcomings of poor external impact load resistance of silicon carbide ceramic;Silicon carbide ceramic composite material needs to use reaction sintering furnace in the processing process, and reaction sintering furnace refers to a kind of special equipment for powder metallurgy and ceramic sintering.

[0003] According to the patent literature with patent announcement No. CN216482242U, a silicon carbide ceramic composite material reaction sintering furnace is disclosed, which includes a sintering furnace body, two filter mechanisms are fixedly installed inside the sintering furnace body, a large gear disc is rotationally connected to the top end of the inner wall of the sintering furnace body, an injection pipe is fixedly installed on one side of the bottom end of the large gear disc, the two filter mechanisms each include a filter plate, an installation rod, a limiting frame, a cylinder mounting seat, and an extension cylinder, the cylinder mounting seat is fixedly installed with an extension cylinder on the side close to the sintering furnace body, limiting frames are fixedly installed on both sides of the inner wall of the sintering furnace body, and the filter plate is fixedly installed on the end of the installation rod away from the extension cylinder. By setting the filter mechanism, large particle powder is intercepted on the filter plate, the sintering furnace body is layered sintered, and the phenomenon of over-sintering or incomplete sintering is avoided, improving the qualified rate of sintered silicon carbide ceramic composite material.

[0004] The two filtering mechanisms are both provided with a filter plate, a mounting rod, a limiting frame, a cylinder mounting seat and a telescopic cylinder, the telescopic cylinder is fixedly installed on one side of the sintering furnace body close to the cylinder mounting seat, the limiting frame is fixedly installed on the inner wall of the sintering furnace body, the mounting rod is rotatably connected to the movable end of the telescopic cylinder in sequence through the sintering furnace body and the limiting frame, and the filter plate is fixedly installed on the end of the mounting rod away from the telescopic cylinder, so that the two filter plates are in contact with each other through the telescopic movement of the mounting rod driven by the telescopic cylinder, the large-particle materials are intercepted by the two filter plates, and the small-particle materials fall through the holes in the filter plates, and the sintering furnace body can sinter the materials in layers, but the filter holes of the filter plate are blocked by the silicon carbide ceramic composite material in the filtering process of the silicon carbide ceramic composite material, and thus the filtering efficiency of the silicon carbide ceramic composite material is reduced, and the rotary joint penetrating through the sintering furnace body is fixedly installed at the top of the injection pipe, the feeding hose is fixedly installed at the top of the rotary joint, the materials flow into the sintering furnace body in sequence through the feeding hose, the rotary joint and the injection pipe, the injection motor is fixedly installed on one side of the top of the sintering furnace body, the small tooth disc is fixedly installed at the output end of the injection motor and penetrates through the sintering furnace body, the outer side of the small tooth disc is in meshing connection with the outer side of the large tooth disc, the injection motor is powered on by the worker, the injection motor is started, the small tooth disc is driven to rotate by the injection motor, the small tooth disc is in contact with the large tooth disc when rotating, the large tooth disc is driven to rotate by the small tooth disc, and the injection pipe is driven to rotate by the large tooth disc, but different driving motors are needed to drive the filtering mechanism and the feeding mechanism to operate, thus the power consumption is increased, and it is inconvenient to scatterly put the silicon carbide ceramic composite material into the sintering furnace body, and thus the silicon carbide ceramic composite material is not uniformly heated.

[0005] Therefore, the silicon carbide ceramic composite material reaction sintering furnace is provided to solve the above problems. The utility model discloses a silicon carbide ceramic composite material reaction sintering furnace

[0006] The silicon carbide ceramic composite material reaction sintering furnace is provided, the filter plate is prevented from being blocked by the silicon carbide ceramic composite material, and thus the filtering efficiency of the silicon carbide ceramic composite material is accelerated, the linkage assembly is arranged, the power consumption is reduced, the silicon carbide ceramic composite material is conveniently scatteredly put into the sintering furnace body, the silicon carbide ceramic composite material is uniformly heated, the filtering is convenient, the silicon carbide ceramic composite material is more uniformly sintered, and thus the technical problems in the background art are solved.

[0007] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0008] The utility model discloses a silicon carbide ceramic composite material reaction sintering furnace, including the furnace body, the inside wall of furnace body is seted up and is passed through the slot, the other inside wall of furnace body is seted up and is limited the slot, the inside of furnace body is provided with filter assembly, filter assembly contains connecting barrel and filter board, one side of filter board passes through the slot and inserts in the inside of limit slot, the inside sleeve joint of eccentric wheel of the other side of filter board is connected to the pivot, the lower end motor of pivot is connected on the outside wall of furnace body, connecting barrel sets up on the other outside wall of furnace body, the end surface of movable block swingly arranged in the inside of connecting barrel is connected with the movable rod, one end of reset spring that the peripheral lateral wall of movable rod is seted up is connected on the end surface of movable block, the end surface of screw plug that the opening end of connecting barrel is connected with the other end of reset spring, the end of movable rod passes through screw plug and the lateral wall of furnace body in proper order, and the end of movable rod is contacted with one side of filter board, the upper portion of furnace body is provided with linkage assembly, the linkage assembly contains the support that rotates and connects on the peripheral lateral wall of lead screw, the lower surface of support is connected on the upper surface of furnace body, the peripheral lateral wall of lead screw is sleeve jointed with driven bevel gear, and the driven bevel gear side engagement connection is sleeve jointed on the peripheral lateral wall of pivot.

[0009] The utility model further sets up, the lower surface of bottom plate that the lower surface of furnace body is connected is connected with the supporting leg, the supporting leg is provided with four.

[0010] The utility model further sets up, the inside bottom of furnace body is connected with the lead out board and presents the right triangle, the peripheral lateral wall of discharge pipe that the lateral wall of furnace body is connected with is connected with the valve.

[0011] The utility model further sets up, the lateral wall of furnace body is hinged with the sealing door through the hinge, and the lateral wall of sealing door is connected with the door handle.

[0012] The utility model further sets up, the inside of through -going slot is provided with the sealing ring, and the inside of limit slot is provided with the sealing ring.

[0013] The utility model further sets up, the other lateral wall of filter board is symmetrically fixed with the limit block up and down, and the limit block is in contact with the surface of eccentric wheel.

[0014] The utility model further sets up, the peripheral lateral wall of connecting barrel is sleeve jointed with the annular seat, and the outer lateral wall of annular seat is screw connected with bolt and presents the ring array, the inner end of bolt is screw connected on the lateral wall of furnace body, the end surface of movable block is seted up with screw hole, and the screw rod screw connection in the inside of screw hole is fixed in the end of movable rod.

[0015] The utility model further sets up, the upper surface of furnace body is provided with through groove and sliding slot, the peripheral lateral wall of ball nut that the peripheral lateral wall of screw rod is provided with movable seat, the lower surface of movable seat is connected with sliding block, the sliding block is connected in the inside of sliding slot, the inside of the setting plate that the lateral wall of movable seat is connected has the bung of material bucket, the upper surface of material bucket is provided with barrel plug, the lower end of material bucket penetrates through groove, the both side walls of material bucket are symmetrically connected strip board and are slidably arranged in the inside of through groove, the outer lateral wall of strip board is provided with sealing ring.

[0016] The utility model has the following beneficial effects:

[0017] 1, the utility model discloses a filter assembly is set up, and the motor is started, and the rotating shaft rotates, and drives eccentric wheel rotation, and reset spring stretches or shrinks, and movable rod reciprocatingly moves, and then makes filter plate reciprocatingly move, and then effectively prevents the raw material of silicon carbide ceramic composite material from blocking the filter hole on the filter plate, and then is favorable to the filtration of the raw material of silicon carbide ceramic composite material, and improves the filtration efficiency of the raw material of silicon carbide ceramic composite material.

[0018] 2, the utility model discloses a linkage assembly is set up, and the rotating shaft drives driving bevel gear rotation, and cooperates driven bevel gear and drives screw rod rotation, and ball nut moves along the screw rod linearly, and then makes material bucket linearly move, and then puts the raw material of silicon carbide ceramic composite material in the inside of furnace body on different positions, and then reduces the use amount of drive machine, and reduces the electricity consumption, and avoids the centralized raw material of silicon carbide ceramic composite material, and then is favorable to filtration, and is favorable to the raw material of silicon carbide ceramic composite material and is heated evenly, and then more evenly carries out the sintering of silicon carbide ceramic composite material.

[0019] Of course, it is not necessary to achieve all the advantages described above while implementing any product of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will introduce the drawing needed to be used in the embodiment briefly.

[0021] Figure 1 It is a kind of silicon carbide ceramic composite material reaction sintering furnace's three-dimensional schematic view Figure 1 ;

[0022] Figure 2 It is Figure 1 the structure enlarged schematic view in A of middle;

[0023] Figure 3 It is Figure 1 the structure enlarged schematic view in B of middle;

[0024] Figure 4It is a three-dimensional schematic view of a reaction sintering furnace for a silicon carbide ceramic composite material Figure 2 ;

[0025] Figure 5 It is a three-dimensional schematic view of a reaction sintering furnace for a silicon carbide ceramic composite material Figure 3 ;

[0026] Figure 6 It is an exploded view of the connecting cylinder and the movable rod.

[0027] Figure 7 It is a structural schematic view of the furnace body.

[0028] In the drawings, the components represented by each reference numeral are listed as follows:

[0029] 1-furnace body, 101-sealing door, 101a-hinge, 101b-door handle, 102-bottom plate, 102a-leg, 103-discharge pipe, 103a-valve, 103b-discharge plate, 104-through slot, 105-slotted guide, 106-through slot, 107-limiting slot, 2-filter assembly, 201-rotating shaft, 201a-motor, 201b-eccentric wheel, 202-connecting cylinder, 202a-annular seat, 202b-bolt, 202c-screw plug, 203-filter plate, 203a-limiting block, 204-movable rod, 204a-screw rod, 204b-movable block, 204c-screw hole, 204d-return spring, 3-linkage assembly, 301-screw rod, 301a-stand, 302-driven bevel gear, 302a-driving bevel gear, 303-strip, 303a-sealing ring, 304-bucket, 304a-bucket plug, 305-roller nut, 305a-movable seat, 305b-sliding block, 305c-arrangement plate. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] Embodiment 1

[0032] Please refer to Figure 1 、 Figure 4 、 Figure 5 and Figure 7The utility model provides a kind of silicon carbide ceramic composite material reaction sintering furnace, including furnace body 1, sealing door 101, bottom plate 102, discharge pipe 103 and export plate 103b, the setting of sealing door 101, it is convenient to clean the residue inside furnace body 1, discharge pipe 103 is cooperated with export plate 103b, it is convenient to discharge the material of sintering completion inside furnace body 1;

[0033] Specifically, bottom plate 102 is connected to the lower surface of furnace body 1, and the lower surface of bottom plate 102 is connected with a supporting leg 102a, sealing door 101 is hinged to the side wall of furnace body 1 through a hinge 101a, a door handle 101b is connected to the outer side wall of sealing door 101, discharge pipe 103 is communicated to the side wall of furnace body 1, and a valve 103a is connected to the side wall of discharge pipe 103, export plate 103b is connected to the inner bottom of furnace body 1, a through slot 104 and a sliding slot 105 are formed in the upper surface of furnace body 1, and a through groove 106 is formed in one inner side wall of furnace body 1, a limiting groove 107 is formed in the other inner side wall of furnace body 1, and a sealing ring 303a is arranged in the through groove 106 and the limiting groove 107;

[0034] Further, the three hinges 101a are arranged at equal intervals, the four supporting legs 102a are arranged in a rectangular array, the export plate 103b is a right-angled triangle, and the sliding slot 105 is a T-shaped slot.

[0035] The operation process of the embodiment is as follows: place the supporting legs 102a on the ground, and stand the furnace body 1 on the ground; when the valve 103a is opened by the worker, the sintered material in the furnace body 1 is discharged through the discharge pipe 103.

[0036] Embodiment 2

[0037] Please refer to Figure 1 、 Figure 3 、 Figure 4 and Figure 6 On the basis of the first embodiment, the filter assembly 2 is provided, which comprises a rotating shaft 201, a motor 201a, an eccentric wheel 201b, a connecting cylinder 202, an annular seat 202a, a bolt 202b, a plug 202c, a filter plate 203, a limiting block 203a, a movable rod 204, a screw rod 204a, a movable block 204b and a return spring 204d, the motor 201a is controlled, and the filter plate 203 moves left and right reciprocally by cooperating with the return spring 204d, so as to facilitate the filtering of the raw material of the silicon carbide ceramic composite material.

[0038] Specifically, the motor 201a is connected to the outer side wall of the furnace body 1, and the upper end face of the motor 201a is connected with a rotating shaft 201, the eccentric wheel 201b is sleeved on the circumferential side wall of the rotating shaft 201, one side of the filter plate 203 is inserted into the limiting groove 107 through the through groove 106, and the other side wall of the filter plate 203 is in abutment with the circumferential side wall of the eccentric wheel 201b, the other side wall of the filter plate 203 is fixedly connected with a limiting block 203a, the connecting barrel 202 is sleeved with an annular seat 202a, the outer side wall of the annular seat 202a is threadedly connected with a bolt 202b, the inner end of the bolt 202b is threadedly connected to the side wall of the furnace body 1, the movable block 204b is movably arranged in the connecting barrel 202, and the end face of the movable block 204b is provided with a threaded hole 204c, the threaded hole 204c is threadedly connected with a screw rod 204a fixedly connected to the end of the movable rod 204, the opening end of the connecting barrel 202 is threadedly connected with a screw plug 202c, the end of the movable rod 204 away from the movable block 204b penetrates the screw plug 202c and the side wall of the furnace body 1 in sequence, and the end of the movable rod 204 away from the movable block 204b is in abutment with one side wall of the filter plate 203, and the circumferential side wall of the movable rod 204 is sleeved with a return spring 204d, one end of the return spring 204d is connected with the end face of the movable block 204b, and the other end of the return spring 204d is connected with the end face of the screw plug 202c.

[0039] Further, the two limiting blocks 203a are symmetrically arranged, the three bolts 202b on the annular seat 202a are arranged in a ring array, and the three connecting barrels 202 are arranged at equal intervals.

[0040] The operation process of the embodiment is as follows: the staff starts the motor 201a, the rotating shaft 201 rotates, the eccentric wheel 201b rotates, the return spring 204d stretches or contracts, the movable block 204b moves back and forth in the connecting barrel 202, the movable rod 204 moves back and forth, and the filter plate 203 moves back and forth, thereby facilitating the filtration of the raw materials of the silicon carbide ceramic composite material on the filter plate 203.

[0041] Embodiment 3

[0042] Please refer to Figure 1 , Figure 2 and Figure 4On the basis of the first and second specific embodiments, the linkage assembly 3 comprises a lead screw 301, a support 301a, a driven bevel gear 302, a driving bevel gear 302a, a strip plate 303, a sealing ring 303a, a barrel 304, a barrel plug 304a, a ball nut 305, a movable seat 305a, a sliding block 305b and a mounting plate 305c. The driven bevel gear 302 cooperates with the driving bevel gear 302a, so that the rotating shaft 201 drives the lead screw 301 to rotate, thereby adjusting the position of the barrel 304, and then dispersively guiding the raw materials of the silicon carbide ceramic composite into the inside of the furnace body 1, thereby reducing the use amount of the driving machine, and thereby being conducive to reducing the use of electric power, and facilitating the filtration of the raw materials of the silicon carbide ceramic composite by the filter plate 203 in the later stage, and thereby being conducive to uniformly sintering the silicon carbide ceramic composite.

[0043] Specifically, the support 301a is rotationally connected to the circumferential wall of the lead screw 301 and connected to the upper surface of the furnace body 1. The driven bevel gear 302 is sleeved on the circumferential wall of the lead screw 301 and is in meshing connection with the driving bevel gear 302a. The driving bevel gear 302a is sleeved on the circumferential wall of the rotating shaft 201. The ball nut 305 is arranged on the circumferential wall of the lead screw 301, and the movable seat 305a is arranged on the outer circumferential wall of the ball nut 305. The lower surface of the movable seat 305a is fixedly connected with the sliding block 305b, which is slidingly connected in the inside of the sliding groove 105. The sidewall of the movable seat 305a is connected with the mounting plate 305c. The barrel 304 is sleeved in the inside of the mounting plate 305c, and the upper surface of the barrel 304 is provided with the barrel plug 304a. The lower end of the barrel 304 penetrates through the through slot 104. The strip plate 303 is connected to the outer sidewall of the barrel 304 and slidingly arranged in the inside of the through slot 104. The outer sidewall of the strip plate 303 is provided with the sealing ring 303a. The sidewall of the barrel 304 is connected with the valve 103a.

[0044] Further, the two supports 301a are symmetrically arranged, and the two strip plates 303 are symmetrically arranged. The length of the strip plate 303 is equal to the internal length of the through slot 104. The sliding block 305b is in T shape.

[0045] The operation process of the present embodiment is as follows: the rotating shaft 201 drives the driving bevel gear 302a to rotate, thereby driving the driven bevel gear 302 to rotate. The lead screw 301 rotates, the ball nut 305 moves linearly along the lead screw 301, the sliding block 305b moves along the sliding groove 105, the mounting plate 305c moves linearly above the furnace body 1, the barrel 304 moves linearly with the mounting plate 305c, and the raw materials of the silicon carbide ceramic composite in the inside of the barrel 304 are discharged into the inside of the furnace body 1 through the lower end opening of the barrel 304.

[0046] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0047] The preferred embodiments of the utility model disclosed above are only used for helping to set forth the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments, in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the whole scope and equivalents thereof.

Claims

1. A silicon carbide ceramic composite material reaction sintering furnace, comprising a furnace body (1), wherein a through groove (106) is provided on one inner side wall of the furnace body (1), and a limiting groove (107) is provided on the other inner side wall of the furnace body (1), characterized in that: A filter assembly (2) is provided inside the furnace body (1), and the filter assembly (2) includes a connecting tube (202) and a filter plate (203), one side of the filter plate (203) passes through the through groove (106) and is inserted into the inside of the limiting groove (107), and the other side of the filter plate (203) is supported by an eccentric wheel (201b) which is sleeved with a rotating shaft (201), and the motor (201a) connected to the lower end of the rotating shaft (201) is connected to an outer side wall of the furnace body (1), and the connecting tube (202) is provided on the other outer side wall of the furnace body (1). The end face of a movable block (204b) movably arranged inside the cylinder (202) is connected to a movable rod (204); one end of a return spring (204d) sleeved on the peripheral side wall of the movable rod (204) is connected to the end face of the movable block (204b); the end face of a screw plug (202c) threadedly connected to the open end of the connecting cylinder (202) is connected to the other end of the return spring (204d); the end of the movable rod (204) sequentially penetrates the screw plug (202c) and the side wall of the furnace body (1), and the end of the movable rod (204) contacts one side of the filter plate (203); A linkage assembly (3) is provided above the furnace body (1), the linkage assembly (3) comprising a support (301a) rotatably connected to the peripheral side wall of the lead screw (301), the lower surface of the support (301a) being connected to the upper surface of the furnace body (1), a driven helical gear (302) being sleeved on the peripheral side wall of the lead screw (301), and a driving helical gear (302a) meshedly connected to the side of the driven helical gear (302) being sleeved on the peripheral side wall of the rotating shaft (201).

2. The silicon carbide ceramic composite material reaction sintering furnace according to claim 1, characterized in that: The lower surface of the bottom plate (102) connected to the lower surface of the furnace body (1) is connected to supporting legs (102a), and four supporting legs (102a) are provided.

3. The silicon carbide ceramic composite material reaction sintering furnace according to claim 2, characterized in that: The lead-out plate (103b) connected to the inner bottom of the furnace body (1) is in the form of a right triangle, and a valve (103a) is connected to the peripheral side wall of the discharge pipe (103) connected to the outer side wall of the furnace body (1).

4. The reaction sintering furnace for silicon carbide ceramic composite material according to claim 3, characterized in that: A sealed door (101) is hingedly connected to the side wall of the furnace body (1) via a hinge (101a), and a door handle (101b) is connected to the outer side wall of the sealed door (101).

5. The reaction sintering furnace for silicon carbide ceramic composite material according to claim 1, characterized in that: A sealing ring (303a) is provided inside the through groove (106), and a sealing ring (303a) is provided inside the limiting groove (107).

6. The silicon carbide ceramic composite material reaction sintering furnace according to claim 1, characterized in that: A fixed limiting block (203a) is provided on the other side wall of the filter plate (203) in a vertically symmetrical manner, and the limiting block (203a) is in contact with the surface of the eccentric wheel (201b).

7. The reaction sintering furnace for silicon carbide ceramic composite material according to claim 1, characterized in that: Bolts (202b) are threadedly connected in a circular array on the outer wall of the annular seat (202a) sleeved on the peripheral side wall of the connecting tube (202), and the inner ends of the bolts (202b) are threadedly connected to the outer wall of the furnace body (1). A screw hole (204c) is provided on the end face of the movable block (204b), and the screw rod (204a) threadedly connected to the inner side of the screw hole (204c) is fixed to the end of the movable rod (204).

8. The silicon carbide ceramic composite material reaction sintering furnace according to claim 1, characterized in that: A through groove (104) and a slide groove (105) are provided on the upper surface of the furnace body (1); a movable seat (305a) is provided on the peripheral side wall of the ball nut (305) provided on the peripheral side wall of the lead screw (301); a slider (305b) is connected to the lower surface of the movable seat (305a); the slider (305b) is slidably connected to the inside of the slide groove (105); a material barrel (304) is sleeved on the interior of a placement plate (305c) connected to the side wall of the movable seat (305a); a barrel plug (304a) is provided on the upper surface of the material barrel (304); the lower end of the material barrel (304) passes through the through groove (104); strips (303) symmetrically connected on the two side walls of the material barrel (304) are slidably provided inside the through groove (104); a sealing ring (303a) is provided on the outer side wall of the strips (303).

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