CN216049157U

CN216049157U - High-temperature sintering device for zirconia ceramic block production

Info

Publication number: CN216049157U
Application number: CN202220331700.9U
Authority: CN
Inventors: 杨红敏
Original assignee: Xinxiang Huier Ceramics Co ltd
Current assignee: Xinxiang Huier Ceramics Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-03-15
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses a high-temperature sintering device for producing zirconia ceramic blocks, which comprises a sintering furnace, wherein the axis of the inner wall of the bottom of the sintering furnace is movably connected with a rotating shaft rod through a bearing, and positioning rings which are distributed in an up-and-down structure at equal intervals are welded on the outer side wall of the rotating shaft rod. According to the utility model, the column rod pushes the bearing head to be attached to the zirconia ceramic block through the support under the action of the limiting disc and the spring, so that the zirconia ceramic block can be more stable when being sintered in the placing groove, the sintering effect and the sintering efficiency of the bottom of the zirconia ceramic block can be effectively improved due to the uniform distribution of the bearing head, the servo motor drives the rotating shaft rod to rotate through the driving gear meshed with the driven gear, the rotating shaft rod can simultaneously drive the first bearing disc and the second bearing disc to be sintered in a rotating mode through the positioning ring, and the zirconia ceramic block can be sintered more uniformly and efficiently, so that the sintering efficiency of the zirconia ceramic block is improved.

Description

High-temperature sintering device for zirconia ceramic block production

Technical Field

The utility model relates to the technical field of zirconia ceramic block sintering, in particular to a high-temperature sintering device for zirconia ceramic block production.

Background

The zirconia ceramic block is mainly used for repairing fixed dentures, is usually disc-shaped, and is commonly used in the market with the diameter phi of 98 multiplied by 14. The conventional production process of the zirconia ceramic block at present comprises the following steps: zirconia powder is added into a mould, and the powder is formed into a pre-desired shape through hydraulic pressing, and the process can be called prepressing forming for short. And finally carrying out shape finishing on the product through isostatic pressing to obtain the required product shape. Then obtaining a product which can be sold through high-temperature sintering, mechanical processing, silk-screen printing and packaging.

And (4) high-temperature sintering, namely placing the pressed zirconia blank material in a high-temperature furnace for a period of high-temperature firing treatment. The zirconia product is a disc-shaped product, and is not suitable for standing up and sintering the product. At present, the zirconia ceramic block blank is generally sintered in a stacking and tiling mode.

Through the retrieval, chinese patent publication No. CN 214039556U's utility model discloses a zirconia porcelain piece high temperature fritting furnace for complete porcelain artificial tooth, the induction cooker comprises a cooker bod, the inside of furnace body is equipped with the sintering chamber, the top of sintering chamber is provided with electric heating wire, its characterized in that, be provided with the placing chamber under lieing in the sintering chamber in the furnace body, placing chamber and sintering chamber are linked together through cylindrical through-hole, be provided with the guiding axle on the inner wall of placing chamber, and be provided with the connecting axle on the guiding axle, the guiding axle is provided with the lantern ring with the junction of connecting axle, and the lantern ring passes through the bolt fastening on the guiding axle, the one end of keeping away from the guiding axle on the connecting axle is provided with the motor, the top of motor is provided with puts thing platform and tray.

However, the high-temperature sintering furnace for the zirconia ceramic block for the all-ceramic denture has low sintering efficiency, cannot perform batch sintering on the zirconia ceramic block, has low sintering efficiency at the bottom of the zirconia ceramic block in the sintering process, and has poor sintering uniformity of the zirconia ceramic block. Therefore, it is necessary to design a high-temperature sintering device for producing zirconia ceramic blocks to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the zirconia ceramic blocks cannot be sintered in batch, the bottom of the zirconia ceramic block is low in sintering efficiency in the sintering process, and the zirconia ceramic block is poor in sintering uniformity in the prior art, and provides a high-temperature sintering device for producing the zirconia ceramic blocks.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a high temperature sintering device is used in production of zirconia porcelain piece, includes the fritting furnace, there is the rotation axostylus axostyle axle center department of fritting furnace bottom inner wall through bearing swing joint, and welds the holding ring that the equidistance is upper and lower structure and distributes on the lateral wall of rotation axostylus axostyle, the welding has the equidistance to be the first dish of accepting that the annular structure distributes on the lateral wall of holding ring, and has seted up the standing groove on the first top outer wall of accepting the dish, set up the post groove that is equidistance structure and distributes on the bottom inner wall of standing groove, and the inside grafting of post groove has the stylobate, the one end welding that the stylobate is located the inside of post groove has spacing dish, and welds on the bottom outer wall of spacing dish has the spring, the axle center department welding of stylobate top outer wall has the pillar, and the top welding of pillar has accepts the head.

The key concept of the technical scheme is as follows: the post pole is pushed through the pillar and is accepted and is laminated mutually between head and the zirconia porcelain piece under the effect of spacing dish and spring for zirconia porcelain piece can be more stable when the inside of standing groove is sintered, accepts evenly distributed of head and can effectively promote the sintering effect and the sintering efficiency of zirconia porcelain piece bottom.

Furthermore, a second bearing plate is welded on the outer wall of the other end, far away from the positioning ring, of the first bearing plate, and the structure of the second bearing plate is the same as that of the first bearing plate.

Furthermore, a transmission cavity is formed in the axis of the bottom of the sintering furnace, and a driven gear is welded at one end, extending to the inside of the transmission cavity, of the rotating shaft rod.

Furthermore, a servo motor is installed on one side of the inner wall of the bottom of the transmission cavity through a bolt, and a driving gear meshed with the driven gear is connected to the output end of the servo motor in a flat key mode.

Furthermore, one side of the outer wall of the front surface of the sintering furnace is movably connected with a furnace door through a hinge, and one side of the center of the outer wall of the front surface of the furnace door is welded with a door handle.

The utility model has the beneficial effects that:

1. through the post that sets up, the post promotes through the pillar under the effect of spacing dish and spring and accepts mutually laminating between head and the zirconia porcelain piece for the zirconia porcelain piece can be more stable when sintering in the inside of standing groove, and the evenly distributed of accepting the head can effectively promote the sintering effect and the sintering efficiency of zirconia porcelain piece bottom, novel structure, reasonable in design, the practicality is strong.

2. Through the servo motor who sets up, servo motor drives through driving gear meshing driven gear and rotates the axostylus axostyle, and the axostylus axostyle rotates the setting through the holding ring can drive simultaneously that first accepting set and second accept the set and rotate the sintering for more even high-efficient that zirconia porcelain piece can be sintered, thereby promoted the sintering efficiency of zirconia porcelain piece, rational in infrastructure, convenient operation is fit for promoting.

3. The first dish and the second of accepting through setting up is accepted the dish, and the first collocation of accepting dish and second is accepted the dish and is used for the zirconia porcelain piece is convenient for more evenly place the distribution when sintering, makes the zirconia porcelain piece can carry out the sintering in batches simultaneously, and then has promoted the sintering efficiency of zirconia porcelain piece.

Drawings

FIG. 1 is a schematic view of the overall structure of a high-temperature sintering apparatus for producing zirconia ceramic blocks according to the present invention;

FIG. 2 is a schematic structural view of a positioning ring of a high-temperature sintering apparatus for producing zirconia ceramic blocks according to the present invention;

FIG. 3 is a schematic structural view of a transmission cavity of a high-temperature sintering device for producing zirconia ceramic blocks, which is provided by the utility model;

FIG. 4 is a schematic structural view of a receiving tray of the high-temperature sintering device for producing zirconia ceramic blocks according to the present invention.

In the figure: 1. sintering furnace; 2. a furnace door; 3. rotating the shaft lever; 4. a positioning ring; 5. a first tray; 6. a second tray; 7. a transmission cavity; 8. a driven gear; 9. a servo motor; 10. a driving gear; 11. a placement groove; 12. a column groove; 13. a spring; 14. a limiting disc; 15. a post rod; 16. a pillar; 17. a bearing head.

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.

Please refer to fig. 1 to 4 simultaneously, a high temperature sintering device for producing zirconia ceramic blocks comprises a sintering furnace 1, wherein the axis of the inner wall of the bottom of the sintering furnace 1 is movably connected with a rotating shaft rod 3 through a bearing, the outer side wall of the rotating shaft rod 3 is welded with positioning rings 4 which are distributed in an up-down structure at equal intervals, the outer side wall of the positioning rings 4 is welded with first bearing discs 5 which are distributed in an annular structure at equal intervals, the outer wall of the top of each first bearing disc 5 is provided with a placing groove 11, the inner wall of the bottom of the placing groove 11 is provided with column grooves 12 which are distributed in an equal-interval structure, the column grooves 12 are internally inserted with column rods 15, one ends of the column rods 15 which are positioned in the column grooves 12 are welded with limiting discs 14, the outer wall of the bottom of the limiting discs 14 is welded with springs 13, the axis of the outer wall of the top ends of the column rods 15 is welded with supporting columns 16, the top ends of the supporting columns 16 are welded with bearing heads 17, and the column rods 15 push the bearing heads 17 and the zirconia ceramic blocks through the supporting columns 16 under the action of the limiting discs 14 and the springs 13 Laminating mutually for zirconia porcelain piece can be more stable when the inside of standing groove 11 is sintered, accept the evenly distributed of head 17 and can effectively promote the sintering effect and the sintering efficiency of zirconia porcelain piece bottom.

As apparent from the above description, the present invention has the following advantageous effects: the post 15 promotes through the pillar 16 under the effect of spacing dish 14 and spring 13 and accepts mutually to laminate between head 17 and the zirconia porcelain piece for the stability that the zirconia porcelain piece can be more when sintering in the inside of standing groove 11, and the evenly distributed of accepting head 17 can effectively promote the sintering effect and the sintering efficiency of zirconia porcelain piece bottom.

Further, the second bearing plate 6 is welded on the outer wall of the other end, away from the positioning ring 4, of the first bearing plate 5, the second bearing plate 6 is identical to the first bearing plate 5 in structure, and the first bearing plate 5 and the second bearing plate 6 are matched for use, so that the zirconia ceramic blocks can be uniformly placed and distributed when being sintered, and can be sintered in batches, and the sintering efficiency of the zirconia ceramic blocks is improved.

Further, transmission chamber 7 has been seted up to the axle center department of fritting furnace 1 bottom, and the one end welding that the rotation axostylus axostyle 3 extends to transmission chamber 7 inside has driven gear 8, servo motor 9 is installed through the bolt in one side of transmission chamber 7 bottom inner wall, and servo motor 9's output parallel key is connected with the driving gear 10 with driven gear 8 engaged with, servo motor 9 drives rotation axostylus axostyle 3 through driving gear 10 meshing driven gear 8 and rotates, rotation axostylus axostyle 3 can drive first accepting dish 5 and second through holding ring 4 simultaneously and accept dish 6 and rotate the sintering, make more even high-efficient that zirconia porcelain piece can sinter, thereby the sintering efficiency of zirconia porcelain piece has been promoted.

Further, there is furnace gate 2 one side of the positive outer wall of fritting furnace 1 through hinge swing joint, and the welding of one side of the positive outer wall center department of furnace gate 2 has the door handle, and furnace gate 2 makes the leakproofness of fritting furnace 1 obtain fine guarantee, and the door handle makes furnace gate 2 be convenient for open and close more.

Adopt above-mentioned servo motor 9 to drive through driving gear 10 meshing driven gear 8 and rotate axostylus axostyle 3, rotate axostylus axostyle 3 and can drive simultaneously through holding ring 4 and first accept set 5 and the second accepts set 6 and rotate the sintering for more even high-efficient that zirconia porcelain piece can be sintered, thereby promoted the sintering efficiency of zirconia porcelain piece.

The working principle of the utility model is as follows: when the high-temperature sintering device for producing the zirconia ceramic blocks is used, an operator places the zirconia ceramic blocks to be sintered inside a placing groove 11 formed in the tops of a first bearing disc 5 and a second bearing disc 6, at the moment, a post rod 15 pushes a bearing head 17 to be attached to the zirconia ceramic blocks through a support column 16 under the action of a limiting disc 14 and a spring 13, so that the zirconia ceramic blocks can be more stable when being sintered inside the placing groove 11, the sintering effect and the sintering efficiency at the bottoms of the zirconia ceramic blocks can be effectively improved due to the uniform distribution of the bearing heads 17, then the operator closes a furnace door 2 and starts a sintering furnace 1 to sinter, in the sintering process of the zirconia ceramic blocks, a servo motor 9 is meshed with a driven gear 8 through a driving gear 10 to drive a rotating shaft 3 to rotate, the rotating shaft 3 can simultaneously drive the first bearing disc 5 and the second bearing disc 6 to rotate and sinter through a positioning ring 4, the zirconia ceramic block can be sintered more uniformly and efficiently, so that the sintering efficiency of the zirconia ceramic block is improved.

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 to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A high-temperature sintering device for producing zirconia ceramic blocks comprises a sintering furnace (1) and is characterized in that a rotating shaft rod (3) is movably connected to the axis of the inner wall of the bottom of the sintering furnace (1) through a bearing, positioning rings (4) which are distributed in an up-down structure at equal intervals are welded on the outer side wall of the rotating shaft rod (3), first bearing discs (5) which are distributed in an annular structure at equal intervals are welded on the outer side wall of the positioning rings (4), a placing groove (11) is formed in the outer wall of the top of each first bearing disc (5), column grooves (12) which are distributed in an equal-interval structure are formed in the inner wall of the bottom of each placing groove (11), column rods (15) are inserted into the column grooves (12), a limiting disc (14) is welded at one end, located in each column groove (12), of each column rod (15), and springs (13) are welded on the outer wall of the bottom of each limiting disc (14), the axis of the outer wall of the top end of the post rod (15) is welded with a support column (16), and the top end of the support column (16) is welded with a bearing head (17).

2. The high-temperature sintering device for producing zirconia ceramic blocks according to claim 1, wherein a second bearing disc (6) is welded on the outer wall of the other end of the first bearing disc (5) far away from the positioning ring (4), and the second bearing disc (6) has the same structure as the first bearing disc (5).

3. The high-temperature sintering device for producing the zirconia ceramic blocks according to claim 1, wherein a transmission cavity (7) is formed in the axis of the bottom of the sintering furnace (1), and a driven gear (8) is welded to one end of the rotating shaft rod (3) extending into the transmission cavity (7).

4. The high-temperature sintering device for producing the zirconia porcelain block according to claim 3, wherein a servo motor (9) is installed on one side of the inner wall of the bottom of the transmission cavity (7) through a bolt, and a driving gear (10) meshed with the driven gear (8) is connected to the output end of the servo motor (9) in a flat key mode.

5. The high-temperature sintering device for producing zirconia ceramic blocks according to claim 1, wherein the oven door (2) is movably connected to one side of the front outer wall of the sintering oven (1) through a hinge, and the door handle is welded to one side of the center of the front outer wall of the oven door (2).