CN112374898A

CN112374898A - Preparation machine for high-temperature structural ceramics

Info

Publication number: CN112374898A
Application number: CN202011281287.1A
Authority: CN
Inventors: 周箐艳
Original assignee: Quanzhou Qinyuding Industrial Design Co ltd
Current assignee: Quanzhou Qinyuding Industrial Design Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-02-19

Abstract

The invention discloses a preparation machine of high-temperature structural ceramics, which structurally comprises a placing box, a supporting plate, a workbench, a preparation box, a handle and a box door, wherein the bottom of the placing box is welded with the top of the supporting plate, the lower end of the supporting plate is welded on the upper surface of the workbench, heat is conducted and enters a transmission pipe through a pipeline, the outer side of a forming cavity is more uniformly subjected to high temperature through hot gas sealing conduction of a conduction rod, the integral calcining temperature of a ceramic sealing ring is improved, after an extrusion mechanism completely enters the box body, an opening and closing plate is automatically closed, the high-temperature loss in a forming device is reduced, an extrusion round block is subjected to extrusion buffering regulation through a spring, the extrusion round block is prevented from generating excessive extrusion force on the formed ceramic sealing ring, the extrusion round block is lifted upwards through a cylinder, a sliding outer ring is pressed downwards, the sliding outer ring is abutted on the ceramic sealing ring, and the, prevent that ceramic seal ring nests in and extrudes the outside of circle piece.

Description

Preparation machine for high-temperature structural ceramics

Technical Field

The invention relates to the field of high-temperature structural ceramic equipment, in particular to a preparation machine for high-temperature structural ceramic.

Background

The ceramic material has high wear resistance, high temperature resistance and chemical erosion resistance, the ceramic material is applied to parts such as high-speed bearings of engines, sealing rings and the like which require high rotating speed and high matching precision at present abroad, the ceramic material is calcined under the high-temperature condition through a preparation machine and then solidified into a finished product through extrusion, but in the process of calcining and extruding the ceramic sealing ring, when a heating mechanism in the preparation machine heats the annular ceramic sealing ring, the overall heating degree of the ceramic sealing ring is different, and meanwhile, the extrusion mechanism needs to be moved, so that heat is lost outside the ceramic sealing ring, the heating degree of the ceramic sealing ring is reduced, the local calcining temperature of the ceramic sealing ring is lower, the overall forming of the ceramic sealing ring is influenced, the ceramic sealing ring is easy to expand after being subjected to high temperature, and the ceramic sealing ring and the extrusion mechanism in the preparation, the prepared ceramic sealing ring is easy to be nested on the extrusion mechanism and is difficult to be taken out.

Disclosure of Invention

The technical scheme adopted by the invention for realizing the technical purpose is as follows: this preparation machine of high temperature structural ceramics, its structure is including placing case, backup pad, workstation, preparation case, handle, chamber door, place bottom of the case portion and the welding of backup pad top, the backup pad lower extreme welds in the workstation upper surface, preparation case lower extreme slidable mounting is inside the workstation upper end, preparation case front end welding has the handle, the chamber door articulates in the workstation front surface, preparation case is including calcining shaping case, louvre, cylinder, connecting rod, guide ring, it has the louvre to calcine shaping incasement surface, cylinder fixed mounting is in placing incasement portion to the cylinder output is fixed with the connecting rod top, the connecting rod adopts clearance fit to run through inside the guide ring to guide ring fixed mounting is in backup pad inboard surface.

As a further improvement of the invention, the calcination forming box comprises a box body, a heating box, a sealing mechanism, a forming device and an extrusion mechanism, wherein the heating box is arranged at the left end inside the box body and is connected with the forming device, the sealing mechanism is fixedly embedded at the upper end of the right side of the box body, the forming device is fixedly arranged at the right end inside the box body, the upper end of the extrusion mechanism is fixed with the lower end of a connecting rod, the extrusion mechanism is positioned right above the forming device, the heating box is connected with the forming device through a pipeline, and the pipeline adopts 20G high-pressure boiler tubes, so that the calcination forming box has high temperature resistance and good heat conductivity.

As a further improvement of the invention, the sealing mechanism comprises a limiting rotary groove, a torsion shaft, an opening and closing plate and a sealing strip, wherein the limiting rotary groove is fixedly embedded at the upper end of the right side of the box body, the inside of the limiting rotary groove is hinged with the outer end of the opening and closing plate through the torsion shaft, the sealing strip is arranged on the lower surface of the opening and closing plate, the limiting rotary groove, the torsion shaft, the opening and closing plate and the sealing strip are all provided with two parts which are in a bilateral symmetry structure, a cylindrical through hole is arranged at the joint of the two opening and closing plates, and the diameter of the cylindrical through hole is matched with.

As a further improvement of the invention, the forming device comprises a forming base, a transmission pipe, forming cavities, a transmission pipe and a heating mechanism, wherein the bottom of the forming base is fixedly arranged on the inner side surface of the box body, the transmission pipe is fixedly arranged inside the left end of the forming base, the left end of the transmission pipe is connected with the right end of the heating box, the forming cavities are embedded inside the upper end of the forming base, the heating mechanism is arranged outside the forming cavities and communicated with the transmission pipe, the number of the forming cavities is nine, eight forming cavities outside the forming cavities are distributed inside the upper end of the forming base in an annular structure at equal intervals, one forming cavity is arranged at the circle center of the forming base, the number of the heating mechanisms is nine, the nine forming cavities are correspondingly distributed outside the nine forming cavities, and the interiors of the nine heating mechanisms are in conduction connection through the transmission pipe.

As a further improvement of the invention, the heating mechanism comprises a connecting ring and a conducting rod, the connecting ring is arranged outside the molding cavity, the conducting rod is fixedly embedded at the upper end of the connecting ring and is positioned outside the molding cavity, the conducting rod is in a hollow cylindrical structure, eight high-pressure boiler tubes are arranged at the upper end of the connecting ring in an annular and equidistant manner, and the high-pressure boiler tubes are 20G high-temperature resistant and good in heat conductivity.

As a further improvement of the invention, the extrusion mechanism comprises a transverse plate, a spring and a pressing block mechanism, the middle part of the upper surface of the transverse plate is fixed with the lower end of the connecting rod, the inner part of the transverse plate is welded with the upper end of the spring, the lower end of the spring is fixed with the upper surface of the pressing block mechanism, the pressing block mechanism is arranged in the lower end of the transverse plate in a clearance fit manner, nine pressing block mechanisms are arranged, and the pressing block mechanisms are distributed to be matched with the vertical positions of the nine forming cavities.

As a further improvement of the invention, the pressing block mechanism comprises a lower pulling mechanism, a guide rod and an extrusion round block, wherein the upper end of the guide rod is fixedly arranged inside the transverse plate, the lower end of the guide rod is arranged at the middle end inside the upper end of the lower pulling mechanism in a clearance fit manner, the extrusion round block is welded inside the lower end of the lower pulling mechanism, and the guide rod is vertically arranged at the connecting part of the inside of the transverse plate and the extrusion round block.

As a further improvement of the invention, the lower poking mechanism comprises a fixed block, a sliding outer ring and two extrusion rods, wherein an extrusion round block is welded in the lower end of the fixed block, the outer side of the fixed block is arranged in the sliding outer ring in a clearance fit mode, the extrusion rods are arranged in the sliding outer ring and penetrate through the outer side of the lower end of the fixed block in a clearance fit mode, the sliding outer ring is of a ring-shaped structure, and the two extrusion rods are respectively arranged at the left end and the right end of the connecting position of the sliding outer ring and the fixed block.

The invention has the beneficial effects that:

1. the start-up heating case, it enters into the transmission inside the pipe to conduct the heat through the pipeline, the transmission through the conduction pipe after that, the steam seal conduction through the conduction pole after that for the shaping chamber outside receives more even of high temperature, improve the whole temperature of calcining of ceramic seal circle, extrusion mechanism is whole to enter into the inside back of box, automatic re-setting through the torsion shaft, thereby make switching board automatic closure, it is sealed to contradict in the connecting rod outside, reduce the inside high temperature loss of forming device.

2. Extrusion circle piece carries out extrusion in the inside ceramic raw materials who calcines to high temperature of shaping chamber, extrudees the buffering through the spring and adjusts, avoids extrusion circle piece to produce excessive extrusion force to fashioned ceramic seal circle, and the back is accomplished in the preparation, through the cylinder up promotion, at this moment extrusion ram automatic re-setting pushes down the slip outer loop for the slip outer loop is contradicted ceramic seal circle, drops ceramic seal circle from the extrusion circle piece, prevents that ceramic seal circle nestification is in the extrusion circle piece outside.

Drawings

FIG. 1 is a schematic structural diagram of a high temperature structural ceramic preparation machine according to the present invention.

FIG. 2 is a schematic side view of a preparation tank according to the present invention.

FIG. 3 is a schematic view of the internal structure of a calcination molding box according to the present invention.

Fig. 4 is a schematic structural diagram of an operating state of the sealing mechanism according to the present invention.

FIG. 5 is a schematic top perspective view of a molding apparatus according to the present invention.

Fig. 6 is a schematic perspective view of a heating mechanism according to the present invention.

Fig. 7 is a partial sectional structural schematic view of an extrusion mechanism of the present invention.

Fig. 8 is a schematic perspective view of a briquetting mechanism according to the present invention.

Fig. 9 is an enlarged partial structural diagram of the inside of a lower pulling mechanism according to the present invention.

In the figure: a placing box-1, a supporting plate-2, a workbench-3, a preparation box-4, a handle-5, a box door-6, a calcining forming box-41, a heat dissipation hole-42, a cylinder-43, a connecting rod-44, a guide ring-45, a box body-411, a heating box-412, a sealing mechanism-413, a forming device-414, an extruding mechanism-415, a limit rotating groove-131, a torsion shaft-132, an opening and closing plate-133, a sealing strip-134, a forming base-14 a, a transmission pipe-14 b, a forming cavity-14 c, a transmission pipe-14 d, a heating mechanism-14 e, a connecting ring-e 1, a transmission rod-e 2, a transverse plate-15 a, a spring-15 b, a pressing block mechanism-15 c, a lower pulling mechanism-c 1, a transverse plate-15, a spring-15, Guide rod-c 2, extrusion round block-c 3, fixed block-c 11, sliding outer ring-c 12 and extrusion rod-c 13.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example 1:

as shown in figures 1 to 6:

the invention relates to a preparation machine for high-temperature structural ceramics, which structurally comprises a placing box 1, a supporting plate 2, a workbench 3, a preparation box 4, a handle 5 and a box door 6, the bottom of the placing box 1 is welded with the top of the supporting plate 2, the lower end of the supporting plate 2 is welded on the upper surface of the worktable 3, the lower end of the preparation box 4 is slidably arranged in the upper end of the workbench 3, the front end of the preparation box 4 is welded with a handle 5, the box door 6 is hinged on the front surface of the workbench 3, the preparation box 4 comprises a calcination forming box 41, a heat dissipation hole 42, a cylinder 43, a connecting rod 44 and a guide ring 45, the outer surface of the calcining and forming box 41 is embedded with heat dissipation holes 42, the cylinder 43 is fixedly arranged inside the placing box 1, and the output end of the cylinder 43 is fixed with the top of the connecting rod 44, the connecting rod 44 penetrates through the guide ring 45 by clearance fit, and the guide ring 45 is fixedly arranged on the inner side surface of the support plate 2.

Wherein, calcination forming box 41 includes box 411, heating box 412, airtight mechanism 413, forming device 414, extrusion mechanism 415, the inside left end of box 411 is equipped with heating box 412 to heating box 412 is connected with forming device 414, airtight mechanism 413 is embedded to be installed in box 411 right side upper end, forming device 414 fixed mounting is in the inside right-hand member of box 411, extrusion mechanism 415 upper end is fixed mutually with connecting rod 44 lower extreme, extrusion mechanism 415 is located directly over forming device 414, be connected through the pipeline between heating box 412 and the forming device 414 to the pipeline adopts 20G high pressure boiler pipe, has high temperature resistant and heat conductivity good, can the high temperature conduction inside forming device 414 with the heating of heating box 412 of efficient.

Wherein, airtight mechanism 413 includes spacing rotary trough 131, torsion axle 132, switching board 133, sealing strip 134, spacing rotary trough 131 embedded fixed is installed in box 411 right side upper end to inside torsion axle 132 and the switching board 133 outside end of passing through of spacing rotary trough 131 is articulated mutually, switching board 133 lower surface is equipped with sealing strip 134, spacing rotary trough 131, torsion axle 132, switching board 133 and sealing strip 134 all are equipped with two to be bilateral symmetry structure, and two switching board 133 junctions are equipped with the cylinder through-hole, and the diameter size of cylinder through-hole and the diameter size phase-match of connecting rod 44 do benefit to and carry out sealedly after pushing down extrusion mechanism 415, reduce the inside high temperature loss of forming device 414.

Wherein, the forming device 414 includes a forming base 14a, a transmission pipe 14b, a forming cavity 14c, a conducting pipe 14d, and a heating mechanism 14e, the bottom of the forming base 14a is fixedly installed on the inner side surface of the box 411, the transmission pipe 14b is embedded and installed inside the left end of the forming base 14a, the left end of the transmission pipe 14b is connected with the right end of the heating box 412, the forming cavity 14c is embedded inside the upper end of the forming base 14a, the heating mechanism 14e is installed outside the forming cavity 14c, the heating mechanism 14e is communicated with the conducting pipe 14d, the forming cavity 14c is totally provided with nine forming cavities, eight forming cavities 14c outside are equidistantly distributed inside the upper end of the forming base 14a in an annular structure, one forming cavity 14c is arranged at the center of the forming base 14a, so as to facilitate the simultaneous calcination and forming of nine ceramic sealing rings, the heating mechanism 14e is provided with nine corresponding forming cavities 14c, and the interiors of the nine heating mechanisms 14e are in conduction connection through the conduction pipe 14d, so that high temperature is uniformly transmitted to the nine heating mechanisms 14e, and the temperature of the ceramic sealing rings in the nine molding cavities 14c subjected to high-temperature calcination is more uniform.

Wherein, heating mechanism 14e includes go-between e1, conduction pole e2, go-between e1 is established in the shaping chamber 14c outside, go-between e1 upper end is inlayed and is installed conduction pole e2 to conduction pole e2 is located the shaping chamber 14c outside, conduction pole e2 is cavity cylinder structure, is equipped with eight and is annular equidistance distribution in go-between e1 upper end to adopt 20G high pressure boiler pipe, have high temperature resistant and the heat conductivity is good, does benefit to the even conduction of heat to the ceramic seal outside, improves the whole temperature of calcining of ceramic seal, avoids ceramic seal local calcination temperature to hang down.

The specific use mode and function of the embodiment are as follows:

in the invention, the ceramic raw material is placed in the forming cavity 14c, the heating box 412 is started, heat is conducted into the transmission pipe 14b through a pipeline, then the heat is uniformly transmitted to nine connecting rings e1 through the transmission of the transmission pipe 14d, then the heat is conducted in a sealing manner through the hot gas of the transmission rod e2, so that the outside of the forming cavity 14c is subjected to high temperature more uniformly, thereby the ceramic raw material in the forming cavity 14c is calcined at high temperature, the temperature for the whole calcination of the ceramic sealing ring is increased, the local calcination temperature of the ceramic sealing ring is prevented from being too low, then the connecting rod 44 is driven to move downwards through the starting cylinder 43, the connecting rod 44 is ensured to move vertically downwards through the guiding conduction of the guiding ring 45, the extrusion mechanism 415 is driven to move downwards, at the moment, the outside of the extrusion mechanism 415 collides with the opening and closing plate 133, the opening and closing plate 133, after the squeezing mechanism 415 completely enters the case 411, the opening and closing plate 133 is automatically closed by the automatic reset of the torsion shaft 132, and the outside of the connecting rod 44 is sealed in an abutting manner, so that the high-temperature loss inside the molding device 414 is reduced.

Example 2:

as shown in fig. 7 to 9:

wherein, extrusion mechanism 415 includes diaphragm 15a, spring 15b, briquetting mechanism 15c, diaphragm 15a upper surface middle part is fixed mutually with connecting rod 44 lower extreme, diaphragm 15a is inside to weld mutually with spring 15b upper end to spring 15b lower extreme is fixed mutually with briquetting mechanism 15c upper surface, briquetting mechanism 15c adopts clearance fit to install inside diaphragm 15a lower extreme, briquetting mechanism 15c is equipped with nine altogether, distributes and nine vertical position phase-matchs that become die cavity 14c, ensures briquetting mechanism 15c and extrudees the die cavity 14c perpendicularly, ensures that the thickness after the shaping of ceramic seal ring keeps vertical.

Wherein, briquetting mechanism 15c includes dial down mechanism c1, guide arm c2, extrusion circle piece c3, guide arm c2 upper end fixed mounting is inside diaphragm 15a to guide arm c2 lower extreme adopts clearance fit to install in the inside middle-end of dial down mechanism c1 upper end, dial down mechanism c1 lower extreme internal weld have extrusion circle piece c3, guide arm c2 is installed perpendicularly in the inside junction with extrusion circle piece c3 of diaphragm 15a, ensures that extrusion circle piece c3 can carry out vertical extrusion buffering and adjusts.

The lower pulling mechanism c1 comprises a fixed block c11, a sliding outer ring c12 and an extrusion rod c13, wherein an extrusion round block c3 is welded at the lower end of the fixed block c11, the outer side of the fixed block c11 is installed inside the sliding outer ring c12 in a clearance fit mode, the extrusion rod c13 is installed inside the sliding outer ring c12, the extrusion rod c13 penetrates through the outer side of the lower end of the fixed block c11 in a clearance fit mode, the sliding outer ring c12 is of an annular structure, the number of the extrusion rods c13 is two, the two extrusion rods c 6348 are respectively arranged at the left end and the right end of the joint of the sliding outer ring c12 and the fixed block c11, the sliding outer ring c12 is pressed to move upwards during extrusion forming, the prepared ceramic sealing ring is abutted by the sliding outer ring c12, the ceramic sealing ring can quickly fall off from the extrusion round block c3, and is prevented.

The specific use mode and function of the embodiment are as follows:

in the invention, the connecting rod 44 moves downwards to drive the transverse plate 15a to move downwards, at this time, the extrusion round block c3 performs extrusion forming on the high-temperature calcined ceramic raw material in the forming cavity 14c, in the extrusion process, the extrusion buffering adjustment is performed through the spring 15b, excessive extrusion force on the formed ceramic sealing ring by the extrusion round block c3 is avoided, the sliding outer ring c12 moves upwards under the pressure during extrusion, after the preparation is completed, the air cylinder 43 is used for lifting upwards to enable the transverse plate 15a to move upwards, at this time, the extrusion rod c13 automatically resets, the sliding outer ring c12 is pressed downwards, the sliding outer ring c12 is enabled to abut against the ceramic sealing ring, the ceramic sealing ring is enabled to fall off from the extrusion round block c3, and the ceramic sealing ring is prevented from being nested outside the extrusion round block c 3.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.

Claims

1. The utility model provides a preparation machine of high temperature structure pottery, its structure is including placing case (1), backup pad (2), workstation (3), preparation case (4), handle (5), chamber door (6), it welds mutually with backup pad (2) top to place case (1) bottom, backup pad (2) lower extreme welds in workstation (3) upper surface, inside preparation case (4) lower extreme slidable mounting is in workstation (3) upper end, the welding of preparation case (4) front end has handle (5), chamber door (6) articulate in workstation (3) front surface, its characterized in that:

preparation case (4) is including calcining into shape case (41), louvre (42), cylinder (43), connecting rod (44), guide ring (45), calcining into shape case (41) surface and having inlayed louvre (42), cylinder (43) fixed mounting is inside placing case (1) to cylinder (43) output is fixed mutually with connecting rod (44) top, connecting rod (44) adopt clearance fit to run through inside guide ring (45) to guide ring (45) fixed mounting is in backup pad (2) interior side surface.

2. The machine according to claim 1, wherein the machine comprises: calcining forming box (41) includes box (411), heating cabinet (412), airtight mechanism (413), forming device (414), extrusion mechanism (415), the inside left end of box (411) is equipped with heating cabinet (412) to heating cabinet (412) are connected with forming device (414), airtight mechanism (413) is embedded and is installed in box (411) right side upper end, forming device (414) fixed mounting is in the inside right-hand member of box (411), extrusion mechanism (415) upper end is fixed mutually with connecting rod (44) lower extreme, extrusion mechanism (415) is located directly over forming device (414).

3. The machine according to claim 2, wherein the machine comprises: airtight mechanism (413) are including spacing rotary groove (131), torsion shaft (132), switching board (133), sealing strip (134), spacing rotary groove (131) embedded solid is installed in box (411) right side upper end to inside the passing through torsion shaft (132) of spacing rotary groove (131) is articulated with switching board (133) outside end, switching board (133) lower surface is equipped with sealing strip (134).

4. The machine according to claim 2, wherein the machine comprises: the forming device (414) comprises a forming base (14a), a transmission pipe (14b), a forming cavity (14c), a conducting pipe (14d) and a heating mechanism (14e), wherein the bottom of the forming base (14a) is fixedly installed on the inner side surface of the box body (411), the transmission pipe (14b) is fixedly installed inside the left end of the forming base (14a), the left end of the transmission pipe (14b) is connected with the right end of the heating box (412), the forming cavity (14c) is embedded inside the upper end of the forming base (14a), the heating mechanism (14e) is arranged on the outer side of the forming cavity (14c), and the heating mechanism (14e) is communicated with the conducting pipe (14 d).

5. The machine according to claim 4, wherein the ceramic material comprises: the heating mechanism (14e) comprises a connecting ring (e1) and a conducting rod (e2), the connecting ring (e1) is arranged outside the molding cavity (14c), the conducting rod (e2) is fixedly installed at the upper end of the connecting ring (e1), and the conducting rod (e2) is located outside the molding cavity (14 c).

6. The machine according to claim 2, wherein the machine comprises: extrusion mechanism (415) is including diaphragm (15a), spring (15b), briquetting mechanism (15c), diaphragm (15a) upper surface middle part is fixed mutually with connecting rod (44) lower extreme, diaphragm (15a) inside welds mutually with spring (15b) upper end to spring (15b) lower extreme is fixed mutually with briquetting mechanism (15c) upper surface, briquetting mechanism (15c) adopt clearance fit to install inside diaphragm (15a) lower extreme.

7. The machine according to claim 6, wherein the ceramic material comprises: briquetting mechanism (15c) is including dialling mechanism (c1), guide arm (c2), extrusion circle piece (c3) down, guide arm (c2) upper end fixed mounting is inside diaphragm (15a) to guide arm (c2) lower extreme adopts clearance fit to install in the inside middle-end in dialling mechanism (c1) upper end down, dial mechanism (c1) lower extreme inner weld down and have extrusion circle piece (c 3).

8. The machine according to claim 7, wherein the ceramic material comprises: dial mechanism (c1) down including fixed block (c11), slip outer ring (c12), extrusion stem (c13), fixed block (c11) lower extreme internal weld has extrusion circle piece (c3) to fixed block (c11) outside adopts clearance fit to install inside slip outer ring (c12), extrusion stem (c13) are installed inside slip outer ring (c12), and extrusion stem (c13) adopt clearance fit to run through in fixed block (c11) lower extreme outside.