CN116872327B - Zirconia porcelain block forming equipment for full porcelain false tooth - Google Patents
Zirconia porcelain block forming equipment for full porcelain false tooth Download PDFInfo
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- CN116872327B CN116872327B CN202311142188.9A CN202311142188A CN116872327B CN 116872327 B CN116872327 B CN 116872327B CN 202311142188 A CN202311142188 A CN 202311142188A CN 116872327 B CN116872327 B CN 116872327B
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- zirconia
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- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 229910052573 porcelain Inorganic materials 0.000 title abstract description 14
- 239000000919 ceramic Substances 0.000 claims abstract description 75
- 238000007667 floating Methods 0.000 claims abstract description 74
- 238000007493 shaping process Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 238000013519 translation Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims 1
- 239000000843 powder Substances 0.000 abstract description 52
- 238000000748 compression moulding Methods 0.000 abstract 1
- 238000009702 powder compression Methods 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 28
- 238000004891 communication Methods 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 206010002198 Anaphylactic reaction Diseases 0.000 description 1
- 239000004484 Briquette Substances 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 208000003455 anaphylaxis Diseases 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/022—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form combined with vibrating or jolting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/08—Artificial teeth; Making same
- A61C13/083—Porcelain or ceramic teeth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/093—Producing shaped prefabricated articles from the material by vibrating or jolting by means directly acting on the material, e.g. by cores wholly or partly immersed in the material or elements acting on the upper surface of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/04—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form with one ram per mould
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses zirconia ceramic block forming equipment for an all-ceramic denture, and particularly relates to the technical field of forming equipment, which comprises a base, a fixed seat, a mounting seat, a sliding cavity, a forming part, a forming hole, a pressing block, a mounting cavity and an elastic floating block, wherein an exhaust mechanism is arranged on the elastic floating block; and a lifting part for driving the pressing block to move up and down. Through setting up elasticity floating block, installation cavity, the briquetting is in the downthehole back of downthehole entering shaping of elasticity floating block, because briquetting and the inside closed state that becomes of shaping hole, the downthehole air of shaping is discharged from the exhaust mechanism of elasticity floating block this moment, and then avoid the air to stay in the shaping downthehole, lead to influencing the quality after the shaping of zirconia porcelain powder, promptly, avoided the inside space problem after the zirconia porcelain powder compression moulding, also avoided the briquetting to produce the phenomenon of air resistance when the shaping downthehole moving of shaping in addition, and then promoted the efficiency of compression moulding.
Description
Technical Field
The invention relates to the technical field of forming equipment, in particular to zirconia ceramic block forming equipment for an all-ceramic denture.
Background
The zirconia full-ceramic tooth is an artificial denture formed by sintering zirconia powder at high temperature, has the advantages of firmness, wear resistance, vivid appearance color, good biocompatibility and the like, and is free of metal, free of irritation to gums and free of anaphylactic reaction, so that zirconia full-ceramic restoration is a popular trend of international tooth beauty restoration and is a hot spot of the current international dental market.
When the zirconia ceramic block is sintered, firstly, pressing equipment is needed to be used for pressing zirconia ceramic powder to form, then, the zirconia ceramic powder after the pressing forming is put into a high-temperature sintering furnace to be sintered to form, when the zirconia ceramic block is pressed, pressing forming equipment is needed to be used, for example, a high-performance ceramic powder forming equipment is disclosed in China patent No. CN215243096U, the zirconia ceramic block comprises an operation table, the lower end of the operation table is provided with supporting legs, the surface of the operation table is provided with a first groove, the upper end of the operation table is fixedly provided with a pressing backing plate, the upper end of the operation table is welded with a supporting column, the upper end of the supporting column is welded with a mounting frame, a displacement mechanism is arranged in the mounting frame and comprises a sliding groove and a motor, the sliding groove is formed in the inner wall of the bottom of the mounting frame, the sliding groove is connected with a threaded rod through threads of the sliding groove, the two ends of the threaded rod are provided with bearings, the bearings are arranged on the inner walls of the two sides of the mounting frame through pore channels, and the surface of the threaded rod is fixedly provided with a first gear through the pore channel.
Above-mentioned among the prior art press forming equipment is when carrying out the operation, and briquetting is in the card in the shaping hole, and the air in the shaping hole can't be discharged for on the one hand, receive air resistance when the briquetting moves down and presses, influence pressing efficiency, on the other hand, the air that does not discharge in the shaping hole probably mixes in the porcelain powder, causes to contain bubble or great space in the porcelain powder after pressing, and then produces great influence to the press forming efficiency of zirconia porcelain powder.
Therefore, we propose a zirconia ceramic block forming device and method for the full-ceramic denture.
Disclosure of Invention
The invention aims to provide a zirconia ceramic block forming device and method for an all-ceramic denture, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the zirconia ceramic block forming equipment for the full-ceramic false tooth comprises a base and a fixing seat fixedly connected to the base, and further comprises:
the mounting seat is fixedly connected to the fixing seat, and a concave sliding cavity is formed in the top of the mounting seat;
the two forming parts are arranged on the sliding cavity, and forming holes are formed between the two forming parts;
the pressing block is arranged above the mounting seat and corresponds to the forming hole, a blind hole type mounting cavity is coaxially formed in the bottom of the pressing block, the inner diameter of the mounting cavity is sequentially increased from top to bottom, an elastic floating block is coaxially clamped in the mounting cavity, the elastic floating block can freely slide up and down in the mounting cavity, and an exhaust mechanism is arranged on the elastic floating block;
and a lifting part for driving the pressing block to move up and down.
Preferably, the lifting part includes:
two support columns vertically fixedly connected to the base;
the transverse plates are horizontally fixedly connected to the two support columns;
the cylinder rod is vertically arranged on the transverse plate and penetrates through the forming driving cylinder of the transverse plate in a sliding mode, and the tail end of the cylinder rod of the forming driving cylinder is connected with the pressing block.
Preferably, the exhaust mechanism comprises a plurality of slots which are arranged on the elastic floating block and are in a notch form, the slots are provided with a common end and are distributed in a radial mode, a communication cavity which is communicated with the installation cavity is further arranged in the pressing block, and a waist-shaped exhaust slot which is communicated with the communication cavity is arranged on the pressing block.
Preferably, the coaxial rigid coupling of elasticity floating block upper end has the sliding block, the sliding block is in the intercommunication chamber can freely slide from top to bottom, just the rigid coupling has the fixed block on the sliding block, wear to be equipped with the horizontal pole on the fixed block, the horizontal pole is kept away from the one end of fixed block wears out waist formula exhaust groove, the horizontal pole wears out waist formula exhaust groove's one end is equipped with down vertical extension's vertical pole, when briquetting down removes, the vertical pole lower extreme portion can with fixing base top offsets.
Preferably, the molding part includes:
two clamping blocks axially and symmetrically clamped in the sliding cavity along the pressing block, wherein opposite ends of the two clamping blocks form an arc shape and form the forming hole;
the translation piece is used for driving the two clamping blocks to synchronously and relatively move;
the jacking block is arranged between the two clamping blocks, and a containing hole which is used for clamping the jacking block and can slide up and down freely is formed in the bottom wall of the sliding cavity;
and the vibrating piece is used for synchronously driving the jacking block to move up and down in the relative movement process of the two clamping blocks.
Preferably, the translation piece comprises two translation driving cylinders horizontally installed at the end parts of the installation seat, and the cylinder rods of the translation driving cylinders penetrate through the installation seat in a sliding mode and are correspondingly connected with the clamping blocks.
Preferably, the vibrating member includes:
the connecting rod is vertically fixedly connected to the lower end face of the jacking block, the connecting rod is arranged on the fixing seat in a sliding penetrating mode, the lower end of the connecting rod is horizontally fixedly connected with a floating transverse plate, a waist-shaped hole through which two ends of the floating transverse plate penetrate is formed in the fixing seat, the floating transverse plate can freely slide up and down in the waist-shaped hole, and a containing groove for installing the floating transverse plate is formed in the fixing seat;
the roller mounting frame is fixedly connected to the bottom of the clamping block, the bottom of the roller mounting frame is rotationally connected with a roller, and the mounting seat is provided with a clearance groove for the roller mounting frame to freely pass through;
the roller grooves are arranged at the end parts of the floating transverse plates at equal intervals and are in a notch form;
and a stretching member for driving the floating diaphragm upward so that the rollers alternately roll on the roller grooves and the upper surface of the floating diaphragm.
Preferably, the stretching piece comprises a tension spring sleeved on the connecting rod, and two ends of the tension spring are fixedly connected with the floating transverse plate and the inner top wall of the accommodating groove respectively.
Preferably, a limit bolt is arranged on the bottom wall of the accommodating groove in a penetrating manner through vertical threads, and the limit bolt is used for limiting the downward travel of the floating diaphragm.
Preferably, a perpendicular bisector of the floating diaphragm in the longitudinal direction is coaxial with the forming hole.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the pressing block, the lifting part and the forming hole are arranged, and the pressing block is driven by the lifting part to move downwards into the forming hole, so that zirconia ceramic powder in the forming hole is pressed and formed.
According to the invention, the elastic floating block and the mounting cavity are arranged, after the pressing block enters the forming hole in the downward moving process, the air in the forming hole is discharged from the air discharging mechanism of the elastic floating block because the pressing block and the inside of the forming hole are in a closed state, so that the air is prevented from remaining in the forming hole, the quality of the formed zirconia ceramic powder is prevented from being influenced, namely, the problem of gaps inside the formed zirconia ceramic powder after the pressing forming is avoided, and in addition, the phenomenon of air resistance generated when the pressing block moves downwards in the forming hole is also avoided, and the pressing forming efficiency is further improved.
According to the invention, the two clamping blocks and the translation piece are arranged, and the translation piece drives the two clamping blocks to be close to and far away from each other, so that when the forming operation is carried out, the two clamping blocks can be combined to form the forming hole, and then normal press forming operation can be carried out, and after the press forming is finished, the two clamping blocks are far away from each other, so that the pressed zirconia ceramic powder can be taken out of the forming hole more conveniently, and the blanking is facilitated.
According to the invention, the vibrating piece is arranged, so that the two clamping blocks can vibrate the zirconia ceramic powder raw material in the process of approaching each other, the zirconia ceramic powder raw material can be uniformly spread between the two clamping blocks, the phenomenon that the internal gaps of a stacking layer are generated after the zirconia ceramic powder raw material is stacked is reduced, in addition, after the zirconia ceramic powder is pressed and formed, the two clamping blocks are mutually far away, the vibrating piece is enabled to act, and further the pressed zirconia ceramic powder is vibrated, so that the zirconia ceramic powder is helpful to detect whether the pressed zirconia ceramic powder is compact or not, and in addition, the ceramic powder on the surface of the pressed zirconia ceramic powder can be vibrated to fall down, the subsequent sintering operation is facilitated, and the surface quality after sintering is improved.
Drawings
FIG. 1 is a schematic diagram showing the overall structure of a zirconia ceramic block forming apparatus for an all-ceramic denture in the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from the bottom;
FIG. 3 is a schematic side view of the structure of FIG. 1;
FIG. 4 is a schematic view, partially in section, of the structure of FIG. 3;
FIG. 5 is a schematic view of the assembled base, fixing base and mounting base of the present invention;
FIG. 6 is a schematic side view of the structure of FIG. 5;
FIG. 7 is a schematic view of the structure of the briquette according to the present invention;
FIG. 8 is a schematic partial cross-sectional view of the structure of FIG. 7;
FIG. 9 is a schematic view of an assembled resilient slider and slider assembly in accordance with the present invention;
FIG. 10 is a schematic view of the bottom angle of the structure of FIG. 9;
FIG. 11 is a schematic view of the assembled jack block, connecting rod and floating diaphragm of the present invention.
In the figure: 1-a fixed seat; 2-a base; 3-waist-shaped holes; 4-floating cross plates; 5-a translation driving cylinder; 6, a mounting seat; 7-a sliding cavity; 8-clamping blocks; 9-forming holes; 10-a vertical rod; 11-briquetting; 12-a cross plate; 13-forming a driving cylinder; 14-waist-shaped exhaust grooves; 15-supporting columns; 16-a receiving groove; 17-a roller; 18-a tension spring; 19-limit bolts; 20-communicating the cavity; 21-a roller mounting rack; 22-roller grooves; 23-receiving holes; 24-an empty-avoiding groove; 25-mounting cavity; 26-sliding blocks; 27-an elastic slider; 28-slots; 29-a fixed block; 30-a cross bar; 31-jacking blocks; 32-connecting rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-11, the present embodiment provides: the zirconia ceramic block forming equipment for the full ceramic false tooth comprises a base 2 and a fixing seat 1 fixedly connected to the base 2, wherein the base 2 can be integrally formed with the fixing seat 1, and the forming equipment further comprises:
the mounting seat 6 welded on the fixing seat 1, the length direction of the mounting seat 6 is vertical to the axial direction of the fixing seat 1, a concave sliding cavity 7 is arranged at the top of the mounting seat 6, two clamping blocks 8 are axially and symmetrically clamped along a pressing block 11 in the sliding cavity 7, opposite ends of the two clamping blocks 8 are arc-shaped and form a forming hole 9, a jacking block 31 is arranged between the two clamping blocks 8, the outer diameter size of the jacking block 31 is matched with the aperture size of the forming hole 9, a containing hole 23 which is clamped by the jacking block 31 and can slide freely up and down is arranged on the bottom wall in the sliding cavity 7, in addition, translation driving cylinders 5 are horizontally arranged at two ends of the length direction of the mounting seat 6, the cylinder pole of translation drive cylinder 5 slides and penetrates mount pad 6, and be connected with fixture block 8 correspondence, when carrying out the pressing operation, pour zirconia porcelain powder raw materials into between two fixture blocks 8, then synchronous start two translation drive cylinders 5, the cylinder pole of two translation drive cylinders 5 extends, and drive two fixture blocks 8 are close to each other, drive zirconia porcelain powder raw materials towards mount pad 6 intermediate position, until making zirconia porcelain powder raw materials lie in shaping hole 9 completely, this embodiment sets up two fixture blocks 8 and drives the purpose of zirconia porcelain powder raw materials and lie in: by driving the zirconia ceramic powder raw materials to move, in the moving process, the phenomenon that larger gaps are generated in the stacked zirconia ceramic powder raw materials after the zirconia ceramic powder raw materials are stacked can be prevented, and the other two translation driving cylinders 5 can be controlled by the same electric ceramic valve, so that one electric ceramic valve can be operated to synchronously control the two translation driving cylinders 5 to act;
the pressing block 11 is arranged above the mounting seat 6 and corresponds to the forming hole 9, the pressing block 11 is cylindrical, the bottom of the pressing block 11 is coaxially provided with a mounting cavity 25 in a blind hole form, the inner diameter of the mounting cavity 25 is sequentially increased from top to bottom, an elastic floating block 27 is coaxially clamped in the mounting cavity, the elastic floating block 27 is made of spring steel materials, the elastic floating block 27 can freely slide up and down in the mounting cavity 25, two support columns 15 are vertically welded on the base 2, a transverse plate 12 is horizontally fixedly connected on the two support columns 15, a forming driving air cylinder 13 is vertically arranged on the transverse plate 12, an air cylinder rod of the forming driving air cylinder 13 slides through the transverse plate 12, the end of the air cylinder rod of the forming driving air cylinder 13 is connected with the pressing block 11, so that the air cylinder rod of the forming driving air cylinder 13 extends or shortens to correspondingly drive the pressing block 11 to move down or up, in addition, as shown in figures 9 and 10, the elastic slider 27 is provided with a plurality of slots 28 in the form of notches, when the elastic slider 27 is not completely engaged with the mounting cavity 25 or the inner wall of the mounting cavity 25 does not generate a pressing force on the elastic slider 27 along the radial inner side of the elastic slider 27, the elastic slider 27 will be in an expanded state, the slots 28 generate gaps, the size of which is smaller than the particle size of the zirconia ceramic powder raw material (the zirconia ceramic powder raw material is granular), so that the zirconia ceramic powder raw material cannot enter the gaps, if any, the amount entering the gaps is not large, the pressed volume of the zirconia ceramic powder is not affected, the slots 28 have a common end and are distributed in a radial shape, or the slots 28 are arranged along the axial array of the elastic slider 27, when the elastic slider 27 moves upwards, the elastic slider 27 will retract into the mounting cavity 25, the inner wall of the installation cavity 25 generates radial inner extrusion force to the outer wall of the elastic floating block 27, the elastic floating block 27 is forced to elastically shrink, the fine groove 28 is further shrunk until the gap of the fine groove 28 disappears, the lower surface of the elastic floating block 27 is flush with the lower surface of the pressing block 11, the flatness of the bottom surface of the elastic floating block 27 is good, the surface quality of pressed zirconia ceramic powder raw materials is not influenced, in addition, a communication cavity 20 communicated with the installation cavity 25 is arranged in the pressing block 11, a waist-shaped exhaust groove 14 communicated with the communication cavity 20 is arranged on the pressing block 11, thus when the elastic floating block 27 moves upwards, air in the forming hole 9 can be discharged into the communication cavity 20 from the fine groove 28 until the air enters the waist-shaped exhaust groove 14 again, in addition, the upper end part of the elastic floating block 27 is coaxially fixedly connected with a sliding block 26, a communication groove communicated with the fine groove 28 is arranged on the outer wall of the sliding block 26, the sliding block 26 can freely slide up and down in the communicating cavity 20, the fixed block 29 is fixedly connected on the sliding block 26, the cross rod 30 is penetrated on the fixed block 29, one end of the cross rod 30, which is far away from the fixed block 29, penetrates out of the waist-shaped exhaust groove 14, one end of the cross rod 30, which penetrates out of the waist-shaped exhaust groove 14, is provided with the vertical rod 10 which extends downwards vertically, when the pressing block 11 moves downwards, the lower end part of the vertical rod 10 can prop against the top of the fixed seat 1, thus when the pressing block 11 is inserted into the forming hole 9 and begins to compact zirconia porcelain powder raw materials in the forming hole 9, the lower end of the vertical rod 10 is far away from the top of the fixed seat 1 in the initial stage of compaction, at the moment, the elastic stretching capacity of the elastic floating block 27 per se enables the lower end of the elastic floating block 27 to expose the bottom of the pressing block 11, at the moment, the gap of the fine groove 28 can allow air in the forming hole 9 to enter the communicating groove, and then the air enters the communicating groove again, and enters the communicating cavity 20 from the communicating groove, then the air in the forming hole is almost exhausted, the lower end part of the vertical rod 10 is propped against the top of the fixed seat 1, the pressing block 11 is continuously downwards moved, the vertical rod 10 is close to the top of the fixed seat 1, the elastic floating block 27 is blocked by zirconia ceramic powder raw material, the gap of the thin groove 28 is gradually reduced in the upwards moving process, meanwhile, the air in the forming hole is almost exhausted, the lower end part of the vertical rod 10 is propped against the top of the fixed seat 1, the pressing block 11 is continuously downwards moved, the thin groove 28 is enabled to be disappeared after the thin groove 28 is upwards moved along with the elastic floating block 27 and is completely clamped in the mounting cavity 25, the bottom surface of the elastic floating block 27 is flush with the bottom surface of the pressing block 11, finally, when the pressing block 11 is downwards moved into place, the vertical rod 10 is downwards moved to the maximum position, the elastic floating block 27 is prevented from downwards moving through the top of the vertical rod 10 and the zirconia ceramic powder raw material can be compacted and formed.
In addition, a connecting rod 32 is vertically welded on the lower end face of the jacking block 31, the connecting rod 32 is slidably arranged on the fixing seat 1 in a penetrating manner, the lower end of the connecting rod 32 is horizontally fixedly connected with a floating diaphragm 4, a waist-shaped hole 3 for penetrating out the two ends of the floating diaphragm 4 is formed in the fixing seat 1, the floating diaphragm 4 can freely slide up and down in the waist-shaped hole 3, a containing groove 16 for installing the floating diaphragm 4 is formed in the fixing seat 1, a roller mounting bracket 21 is welded on the bottom of the clamping block 8, a roller 17 is rotationally connected to the bottom of the roller mounting bracket 21, a clearance groove 24 for the roller mounting bracket 21 to freely pass through is formed in the mounting seat 6, a plurality of gap-shaped roller grooves 22 are formed at equal intervals (or equal intervals) at the end part of the floating diaphragm 4, tension springs 18 are sleeved on the connecting rod 32, the two ends of the tension springs 18 are fixedly connected to the inner top walls of the floating diaphragm 4 and the containing groove 16 respectively, upward tension forces are generated on the floating diaphragm 4 through the tension springs 18, the roller 17 can alternately roll on the roller groove 22 and the upper surface of the floating diaphragm 4, when two clamping blocks 8 are close to each other, the roller 17 can be driven to alternately roll on the upper surface of the floating diaphragm 4 and in the roller groove 22, and then the lifting block 31 is driven to move up and down along with the relative movement of the clamping blocks 8 by the tension force of the tension spring 18, the vibration force is generated on the zirconia ceramic powder raw material in the up and down movement process of the lifting block 31, the zirconia ceramic powder raw material can be evenly spread between the two clamping blocks 8, the phenomenon of internal vacancy of a stacking layer is reduced after the zirconia ceramic powder raw material is stacked, in addition, after the zirconia ceramic powder is pressed and formed, the two clamping blocks 8 are mutually separated, the lifting block 31 is also driven to move up and down, and the pressed zirconia ceramic powder is vibrated, the method is favorable for detecting whether the pressed zirconia ceramic powder is compact or not, and in addition, the ceramic powder on the surface of the pressed zirconia ceramic powder can be vibrated down, so that the method is favorable for subsequent sintering operation and improves the surface quality after sintering. In addition, as shown in fig. 2-4, a limit bolt 19 is threaded vertically on the inner bottom wall of the accommodating groove 16, and the limit bolt 19 is used for limiting the downward travel of the floating diaphragm 4, so that when the jacking block 31 moves downwards, the top surface of the jacking block 31 is flush with the inner bottom wall of the sliding cavity 7.
The perpendicular bisector of the floating diaphragm 4 in the length direction is coaxial with the forming hole 9, so that the acting force of the rollers 17 on the two ends of the floating diaphragm 4 is consistent.
The working principle of the invention is as follows: when in pressing operation, the zirconia ceramic powder raw material is poured between two clamping blocks 8, then two translation driving cylinders 5 are synchronously started, the cylinder rods of the two translation driving cylinders 5 are extended and drive the two clamping blocks 8 to approach each other, the zirconia ceramic powder raw material is driven towards the middle position of the mounting seat 6 until the zirconia ceramic powder raw material is completely positioned in the forming hole 9, the two clamping blocks 8 alternately roll on the upper surface of the floating diaphragm 4 and in the roller groove 22 in the process of approaching each other, the tension of the tension spring 18 on the floating diaphragm 4 is acted, the jacking block 31 is driven to move up and down along with the relative movement of the clamping blocks 8, vibrating force is generated on the zirconia ceramic powder raw material in the process of moving up and down, the zirconia ceramic powder raw material can be evenly spread between the two clamping blocks 8, and when in pressing, the pressing block 11 is driven by the forming driving cylinder 13 to move downwards, so that the pressing block 11 can be inserted into the forming hole 9, the zirconia ceramic powder raw material in the forming hole 9 begins to be compacted, the lower end of the vertical rod 10 is far away from the top of the fixed seat 1 in the initial stage of compaction, at the moment, the elastic supporting capacity of the elastic floating block 27 is enough to enable the lower end of the elastic floating block 27 to be exposed out of the bottom of the pressing block 11, at the moment, the gap of the fine groove 28 can be used for allowing air in the forming hole 9 to enter, then the air reenters the through groove and enters the communicating cavity 20 from the through groove, then is discharged from the waist-shaped exhaust groove 14, the vertical rod 10 approaches the top of the fixed seat 1 along with the continuous downward movement of the pressing block 11, the gap of the elastic floating block 27 is gradually reduced in the upward movement of the zirconia ceramic powder raw material, at the moment, the lower end of the vertical rod 10 is propped against the top of the fixed seat 1, the pressing block 11 continues to move downwards, so that after the fine groove 28 moves upwards along with the elastic floating block 27 and is completely clamped in the installation cavity 25, the gap between the fine groove 28 and the elastic floating block 27 is eliminated, the bottom surface of the elastic floating block 27 is flush with the bottom surface of the pressing block 11, and finally, when the pressing block 11 moves downwards, the vertical rod 10 moves downwards to the maximum position, and the vertical rod 10 abuts against the top of the fixed seat 1, so that the elastic floating block 27 is prevented from moving downwards, and the zirconia ceramic powder raw material can be compacted and formed.
It is noted that relational terms such as first and second, and the like are 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. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The zirconia ceramic block forming equipment for the full-ceramic false tooth comprises a base (2) and a fixing seat (1) fixedly connected to the base (2), and is characterized by further comprising:
the mounting seat (6) is fixedly connected to the fixing seat (1), and a concave sliding cavity (7) is formed in the top of the mounting seat (6);
two forming parts arranged on the sliding cavity (7), and forming holes (9) are arranged between the two forming parts;
the utility model discloses a cross bar, including mounting seat (6) and shaping hole (9), locate briquetting (11) of locating above, just with shaping hole (9) is corresponding, install cavity (25) of blind hole form have been seted up to briquetting (11) bottom coaxial, install cavity (25) internal diameter top-down increases gradually, and coaxial block has elastic floating block (27) in it, elastic floating block (27) are in freely slide about installation cavity (25) and be equipped with exhaust mechanism on it, exhaust mechanism includes a plurality of opening in on elastic floating block (27) fine groove (28) of breach form, a plurality of fine groove (28) have a common end and become radial distribution, still open in briquetting (11) with install cavity (25) link up intercommunication cavity (20), set up waist exhaust groove (14) with intercommunication cavity (20), elastic floating block (27) upper end coaxial rigid coupling has sliding block (26), sliding block (26) are in intercommunication cavity (20) can be gone up and lower sliding block (29) are gone up, waist (29) are kept away from in fixed by fixed cross bar (30), one end of the cross rod (30) penetrating out of the waist-shaped exhaust groove (14) is provided with a vertical rod (10) extending downwards vertically, and when the pressing block (11) moves downwards, the lower end part of the vertical rod (10) can prop against the top of the fixing seat (1);
and a lifting part for driving the pressing block (11) to move up and down.
2. The apparatus for forming a block of zirconia for an all-ceramic denture according to claim 1, wherein the elevating section comprises:
two support columns (15) vertically fixedly connected to the base (2);
the transverse plates (12) are horizontally fixedly connected to the two support columns (15);
and the forming driving cylinder (13) is vertically arranged on the transverse plate (12) and the cylinder rod slides to penetrate through the transverse plate (12), and the end of the cylinder rod of the forming driving cylinder (13) is connected with the pressing block (11).
3. The apparatus for forming a block of zirconia for an all-ceramic denture according to claim 1, wherein the forming part comprises:
two clamping blocks (8) which are axially and symmetrically clamped in the sliding cavity (7) along the pressing block (11), and opposite ends of the two clamping blocks (8) are arc-shaped and form the forming hole (9);
a translation member for driving the two clamping blocks (8) to move synchronously and relatively;
the jacking block (31) is arranged between the two clamping blocks (8), and a containing hole (23) which is used for clamping the jacking block (31) and can slide up and down freely is formed in the inner bottom wall of the sliding cavity (7);
and the vibrating piece is used for synchronously driving the jacking block (31) to move up and down in the relative movement process of the two clamping blocks (8).
4. A zirconia ceramic block forming apparatus for an all-ceramic denture according to claim 3, wherein the translation member comprises two translation driving cylinders (5) horizontally installed at the end parts of the installation base (6), and the cylinder rods of the translation driving cylinders (5) are slidably inserted into the installation base (6) and are correspondingly connected with the clamping blocks (8).
5. A zirconia ceramic block molding apparatus for an all-ceramic denture according to claim 3, wherein said vibrating member comprises:
the connecting rod (32) is vertically fixedly connected to the lower end face of the jacking block (31), the connecting rod (32) is arranged on the fixing seat (1) in a sliding penetrating mode, the lower end of the connecting rod (32) is horizontally fixedly connected with the floating transverse plate (4), the fixing seat (1) is provided with a waist-shaped hole (3) for enabling two ends of the floating transverse plate (4) to penetrate out, the floating transverse plate (4) can freely slide up and down in the waist-shaped hole (3), and the fixing seat (1) is provided with a containing groove (16) for installing the floating transverse plate (4);
the roller mounting frame (21) is fixedly connected to the bottom of the clamping block (8), the roller (17) is rotationally connected to the bottom of the roller mounting frame (21), and the empty avoiding groove (24) which can freely pass through when the roller mounting frame (21) moves is formed in the mounting seat (6);
the roller grooves (22) are formed in the end parts of the floating transverse plates (4) at equal intervals in a notch mode;
and a stretching member for driving the floating diaphragm (4) to move upward so that the rollers (17) alternately roll on the roller grooves (22) and the upper surface of the floating diaphragm (4).
6. The zirconia ceramic block forming equipment for the all-ceramic denture according to claim 5, wherein the stretching piece comprises a tension spring (18) sleeved on the connecting rod (32), and two ends of the tension spring (18) are fixedly connected with the floating transverse plate (4) and the inner top wall of the accommodating groove (16) respectively.
7. The zirconia ceramic block forming equipment for the full-ceramic denture according to claim 5, wherein a limit bolt (19) is arranged on the inner bottom wall of the accommodating groove (16) in a penetrating way through vertical threads, and the limit bolt (19) is used for limiting the downward travel of the floating transverse plate (4).
8. The apparatus according to claim 5, wherein a perpendicular bisector of the floating diaphragm (4) in the longitudinal direction is coaxial with the molding hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311142188.9A CN116872327B (en) | 2023-09-06 | 2023-09-06 | Zirconia porcelain block forming equipment for full porcelain false tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311142188.9A CN116872327B (en) | 2023-09-06 | 2023-09-06 | Zirconia porcelain block forming equipment for full porcelain false tooth |
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| Publication Number | Publication Date |
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| CN116872327A CN116872327A (en) | 2023-10-13 |
| CN116872327B true CN116872327B (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311142188.9A Active CN116872327B (en) | 2023-09-06 | 2023-09-06 | Zirconia porcelain block forming equipment for full porcelain false tooth |
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| CN (1) | CN116872327B (en) |
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| GB1328960A (en) * | 1971-07-29 | 1973-09-05 | Ciarrapico J O | Method of and apparatus for dry-pressing pottery |
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| DE102005045976A1 (en) * | 2005-09-27 | 2007-03-29 | Dorst Technologies Gmbh & Co. Kg | Pressing device for the isostatic pressing of a body made from a powdered and/or granulate material comprises a stamp for closing a die opening during pressing and consisting of a metallic insert surrounded by an elastic sleeve |
| CN209394901U (en) * | 2018-10-23 | 2019-09-17 | 宁夏众信耐火材料有限公司 | Mold tool is made in a kind of molding of refractory brick |
| CN209682465U (en) * | 2018-12-21 | 2019-11-26 | 洛阳欣珑陶瓷有限公司 | A kind of refractory ceramics brick shaping mould |
| CN110978224A (en) * | 2019-12-23 | 2020-04-10 | 许诺 | Pressing equipment for building ceramic tile forming processing |
| CN214871384U (en) * | 2021-01-19 | 2021-11-26 | 秦皇岛斯立德陶瓷科技有限公司 | Pre-pressing forming device for zirconia ceramic block |
| WO2022252571A1 (en) * | 2021-05-31 | 2022-12-08 | 歌尔股份有限公司 | Feeding and discharging equipment |
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2023
- 2023-09-06 CN CN202311142188.9A patent/CN116872327B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1328960A (en) * | 1971-07-29 | 1973-09-05 | Ciarrapico J O | Method of and apparatus for dry-pressing pottery |
| ES2223264A1 (en) * | 2003-03-05 | 2005-02-16 | Pablo Peris Dominguez | Method for manufacturing ceramic pieces with perforations and the corresponding device |
| DE102005045976A1 (en) * | 2005-09-27 | 2007-03-29 | Dorst Technologies Gmbh & Co. Kg | Pressing device for the isostatic pressing of a body made from a powdered and/or granulate material comprises a stamp for closing a die opening during pressing and consisting of a metallic insert surrounded by an elastic sleeve |
| CN209394901U (en) * | 2018-10-23 | 2019-09-17 | 宁夏众信耐火材料有限公司 | Mold tool is made in a kind of molding of refractory brick |
| CN209682465U (en) * | 2018-12-21 | 2019-11-26 | 洛阳欣珑陶瓷有限公司 | A kind of refractory ceramics brick shaping mould |
| CN110978224A (en) * | 2019-12-23 | 2020-04-10 | 许诺 | Pressing equipment for building ceramic tile forming processing |
| CN214871384U (en) * | 2021-01-19 | 2021-11-26 | 秦皇岛斯立德陶瓷科技有限公司 | Pre-pressing forming device for zirconia ceramic block |
| WO2022252571A1 (en) * | 2021-05-31 | 2022-12-08 | 歌尔股份有限公司 | Feeding and discharging equipment |
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| Publication number | Publication date |
|---|---|
| CN116872327A (en) | 2023-10-13 |
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