阅读说明：本技术 一种齿科加工工艺及其加工装置 (Dental processing technology and processing device thereof ) 是由 贾永青 于 2021-09-09 设计创作，主要内容包括：本申请涉及一种齿科加工工艺及其加工装置,涉及牙齿美学修复技术领域；其包括清洗硅胶托盘,用灌制超硬石膏模型；分割石膏模型制作可摘戴独立代型,在可摘戴代型根部近远中侧制作可固位的凹槽,在根尖处制作T形就为固位型；可摘代型根部涂布间隙剂；用硅胶翻制可摘代型印模；用耐火材料灌制成耐火材可摘代型；对耐火材可摘代型通过热处理设备进行热处理,热处理完成后,放回模型内进行就位检查；上瓷前进行水饱和处理,充分吸水；分次多次上瓷烧结；修整形态,上釉,喷砂去除耐火材基底；就位抛光完成,制得烤瓷贴面；用清洗装置对制作完成后的烤瓷贴面进行清洗；本申请具有提高工作人员的工作效率的效果。(The application relates to a dental processing technology and a processing device thereof, relating to the technical field of aesthetic restoration of teeth; cleaning a silica gel tray, and pouring a superhard gypsum model; the plaster model is divided to manufacture an independent model which can be taken off and worn, a groove which can be retained is manufactured at the near-far middle side of the root of the model which can be taken off and worn, and a T-shape is manufactured at the root tip to form a retention type; coating a removable root with a gap agent; reproducing the removable impression by using silica gel; pouring refractory material into a removable refractory material; carrying out heat treatment on the removable refractory material by heat treatment equipment, and after the heat treatment is finished, putting the refractory material back into the model for in-place inspection; carrying out water saturation treatment before porcelain application, and fully absorbing water; carrying out ceramic sintering for multiple times; trimming the shape, glazing, and removing the refractory material substrate by sand blasting; finishing the in-place polishing to obtain a porcelain veneer; cleaning the porcelain veneers after the manufacturing by using a cleaning device; this application has the effect that improves staff's work efficiency.)

1. A dental processing technology is characterized in that: the method comprises the following steps:

cleaning the silica gel tray, and pouring the superhard gypsum model;

the plaster model is divided to manufacture an independent model which can be taken off and worn, a groove which can be retained is manufactured at the near-far middle side of the root of the model which can be taken off and worn, and a T-shape is manufactured at the root tip to form a retention type;

coating a removable root with a gap agent;

reproducing the removable impression by using silica gel;

pouring refractory material into a removable refractory material;

carrying out heat treatment on the removable refractory material by heat treatment equipment, and after the heat treatment is finished, putting the refractory material back into the model for in-place inspection;

carrying out water saturation treatment before porcelain application, and fully absorbing water;

carrying out ceramic sintering for multiple times;

trimming the shape, glazing, and removing the refractory material substrate by sand blasting;

finishing the in-place polishing to obtain a porcelain veneer;

and cleaning the porcelain veneers after the manufacturing by using a cleaning device.

2. A dental process according to claim 1, wherein: cleaning the silica gel tray, and further comprising the following steps after the superhard gypsum model is poured:

and manufacturing a silica gel guide plate for inspection on the tooth position and the adjacent teeth to be manufactured.

3. A dental process according to claim 1, wherein: carrying out water saturation treatment before porcelain application, and after full water absorption, further comprising the following steps:

a neck edge line is provided on the removable type of the reproduced refractory material.

4. A dental machining device according to claim 1, characterized in that: the cleaning device (1) comprises a heat treatment device and a cleaning device (1), wherein the cleaning device (1) comprises a box body (11), a plurality of object placing grooves (111) are formed in the upper surface of the box body (11) along the height direction, a plurality of circulation holes (112) are formed in the lower surface of the box body (11) along the height direction, and the circulation holes (112) are communicated with the object placing grooves (111).

5. A dental machining device according to claim 4, characterized in that: belt cleaning device (1) is still including sheltering from lid (2), shelter from one side fixedly connected with connecting rod (3) that lid (2) are close to box body (11), the upper surface of box body (11) is seted up along the direction of height and is used for connecting rod (3) to inlay spread groove (113) of establishing, be provided with lock piece (4) that are used for fixed connection pole (3) on box body (11).

6. A dental machining device according to claim 5, characterized in that: locking piece (4) include lock pole (41) and movable rod (42) of fixed connection in lock pole (41) one end, lateral wall along width direction of connecting rod (3) offers locking groove (31) that are used for lock pole (41) to remove, lateral wall along width direction of connecting rod (3) offers movable groove (32) that are used for movable rod (42) to remove, movable groove (32) and locking groove (31) communicate with each other, inserting groove (114) that the tip that is used for lock pole (41) to insert established are offered to the inside of box body (11), inserting groove (114) and spread groove (113) communicate with each other, the one end fixedly connected with locking spring (43) of movable rod (42) is kept away from to lock pole (41), the one end fixed connection in the inner wall of locking groove (31) that locking pole (41) was kept away from to locking spring (43).

7. A dental machining device according to claim 5, characterized in that: the one end that shielding cover (2) was kept away from in connecting rod (3) is seted up the tip of being convenient for connecting rod (3) and is inserted spigot surface (33) of locating in spread groove (113) fast conveniently.

8. A dental machining device according to claim 5, characterized in that: shelter from lid (2) including sheltering from net (21) and fixed connection in sheltering from installing frame (22) that net (21) are close to box body (11) one side, shelter from and be formed with between net (21) and installing frame (22) and hold chamber (23).

9. A dental machining device according to claim 4, characterized in that: the utility model discloses a storage box, including box body (11), fixed connection has fixed link (51) between push plate (5), box body (11) are provided with push plate (5) in the inside of putting thing groove (111), and are adjacent fixed connection has dead lever (51), fixed slot (115) that are used for dead lever (51) to slide are offered along the direction of height to the inside of box body (11), fixed slot (115) communicate with each other with putting thing groove (111), one of them lateral wall fixedly connected with of push plate (5) holds pole (6), the lateral wall of box body (11) is offered along the direction of height and is used for supplying to hold sliding groove (116) that pole (6) slided, sliding groove (116) and one of them link to each other with holding pole (6) push plate (5) are inlayed and are put thing groove (111) and communicate with each other, be provided with fastener (7) that are used for fixed holding pole (6) on box body (11).

10. A dental machining device according to claim 9, characterized in that: fastener (7) are including the cover to locate adapter sleeve (71) on holding pole (6) and fixed cover locate holding pole (6) on spacing ring (72), the inner wall of adapter sleeve (71) is seted up along length direction and is used for spacing groove (711) that spacing ring (72) slided, fastening groove (117) that the tip screw thread that is used for supplying adapter sleeve (71) set up are seted up to the lateral wall of box body (11), fastening groove (117) communicate with each other with groove (116) that slides.

Technical Field

The application relates to the technical field of tooth aesthetic restoration, in particular to a dental processing technology and a processing device thereof.

Background

The tooth overlay is one kind of tooth whitening and repairing technology, and is used mainly in adhering one layer of tooth color similar material to the surface of discolored or damaged tooth to whiten or repair.

Chinese patent publication No. CN112430074A discloses a method for manufacturing a porcelain facing, comprising the following steps: cleaning the tray and filling the model; separating the model by a separating mechanism, making an individual model, pouring an aggregate model, copying an individual model silicon rubber impression, pouring a refractory material model, firing the refractory model at a high temperature, and firing the refractory enamel paste; stacking the decorative porcelain, and roasting in a porcelain oven; finishing the shape trimming glazing, and conveying the prepared porcelain veneer to a doctor for bonding a patient; the high-temperature fired refractory substitute has the advantages of good strength, high plasticity and strong fire resistance, and greatly improves the manufacturing efficiency.

In view of the above-mentioned related technologies, the inventor believes that after the preparation of the porcelain veneers is completed, the prepared porcelain veneers need to be cleaned one by one, which easily causes the work efficiency of workers to be slow.

Disclosure of Invention

In order to improve the working efficiency of workers, the application provides a dental processing technology and a processing device thereof.

In a first aspect, the present application provides a dental process, which employs the following technical scheme:

a dental processing technology and a processing device thereof comprise the following steps:

cleaning the silica gel tray, and pouring the superhard gypsum model:

the plaster model is divided to manufacture an independent model which can be taken off and worn, a groove which can be retained is manufactured at the near-far middle side of the root of the model which can be taken off and worn, and a T-shape is manufactured at the root tip to form a retention type;

coating a removable root with a gap agent;

reproducing the removable impression by using silica gel;

pouring refractory material into a removable refractory material;

carrying out heat treatment on the removable refractory material by heat treatment equipment, and after the heat treatment is finished, putting the refractory material back into the model for in-place inspection;

carrying out water saturation treatment before porcelain application, and fully absorbing water;

carrying out ceramic sintering for multiple times;

trimming the shape, glazing, and removing the refractory material substrate by sand blasting;

finishing the in-place polishing to obtain a porcelain veneer;

and cleaning the porcelain veneers after the manufacturing by using a cleaning device.

By adopting the technical scheme, the porcelain veneers after the manufacture is finished are cleaned by the cleaning device, so that workers do not need to clean the porcelain veneers one by one, the working time of the workers is saved, and the working efficiency of the workers is improved.

Optionally, the method for cleaning the silica gel tray further comprises the following steps after the superhard gypsum model is poured:

and manufacturing a silica gel guide plate for inspection on the tooth position and the adjacent teeth to be manufactured.

By adopting the technical scheme, the prepared porcelain veneers are inspected by the inspection silica gel guide plate, so that the coincidence degree of the porcelain veneers and the teeth of a user is ensured.

Optionally, the ceramic is subjected to water saturation treatment before being applied, and the method further comprises the following steps after sufficient water absorption:

a neck edge line is provided on the removable type of the reproduced refractory material.

Through adopting above-mentioned technical scheme to make remaining refractory material basement keep away from the nozzle of sandblast in the sandblast process, thereby reduce the possibility that the porcelain wainscot is damaged in the sandblast process.

On the other hand, this application still provides a dentistry processingequipment, adopts following technical scheme:

optionally, the cleaning device comprises a box body, the upper surface of the box body is provided with a plurality of storage grooves along the height direction, the lower surface of the box body is provided with a plurality of circulation holes along the height direction, and the circulation holes are communicated with the storage grooves.

Through adopting above-mentioned technical scheme, the offering of thing groove is put to a plurality of to wash a plurality of porcelain wainscot simultaneously, realized once only wasing many porcelain wainscots, convenient and fast more has improved the cleaning efficiency.

Optionally, including thermal treatment equipment and belt cleaning device, belt cleaning device is still including sheltering from the lid, shelter from one side fixedly connected with connecting rod that the lid is close to the box body, the upper surface of box body is offered along the direction of height and is used for the connecting rod to inlay the spread groove of establishing, be provided with the lock piece that is used for fixed link pole on the box body.

Through adopting above-mentioned technical scheme, shelter from the setting of lid to place and shelter from the porcelain wainscot of putting the thing inslot, reduce during the staff to the abluent in-process of porcelain wainscot of putting the thing inslot, the porcelain wainscot breaks away from the possibility of putting the thing inslot portion.

Optionally, the locking piece includes lock pole and the carriage release lever of fixed connection in lock pole one end, the lateral wall of connecting rod is offered along width direction and is used for the locking groove that the lock pole removed, the lateral wall of connecting rod is offered along width direction and is used for the carriage release lever to remove the shifting chute, shifting chute and locking groove communicate with each other, the inserting groove that the tip that is used for the lock pole was inserted and is established is offered to the inside of box body, inserting groove and spread groove communicate with each other, the one end fixedly connected with locking spring of carriage release lever is kept away from to the lock pole, the one end fixed connection in the inner wall in locking groove that the locking pole was kept away from to the locking spring.

Through adopting above-mentioned technical scheme, after the tip of connecting rod inlayed completely and locates the spread groove inside, the tip of locking pole was inserted under the effect of locking spring elastic force and is located the inside of inserting groove to the tip that has strengthened the connecting rod is inserted and is located the stability in the spread groove, and then will shelter from the lid and be fixed in on the box body.

Optionally, one end of the connecting rod, which is far away from the shielding cover, is provided with a guide surface, which is convenient for the end of the connecting rod to be rapidly and conveniently inserted into the connecting groove.

Through adopting above-mentioned technical scheme, the setting of spigot surface has reduced the tip of connecting rod and has inserted the resistance of locating in the spread groove to be convenient for the staff inlays the connecting rod with locating the inside of spread groove fast conveniently.

Optionally, the shielding cover comprises a shielding net and a mounting frame fixedly connected to one side of the shielding net close to the box body, and an accommodating cavity is formed between the shielding net and the mounting frame.

Through adopting above-mentioned technical scheme, shelter from to be formed with between net and the installing frame and hold the chamber to when the staff need take out the porcelain wainscot from putting the thing inslot, put the box body upside down, pour the porcelain wainscot into the inside that holds the chamber, thereby the staff of being convenient for will putting the thing inslot porcelain wainscot and take out fast conveniently.

Optionally, the box body is provided with the slurcam in the inside of putting the thing groove, and is adjacent fixedly connected with dead lever between the slurcam, the fixed slot that is used for the dead lever to slide is offered along the direction of height in the inside of box body, the fixed slot with put the thing groove and communicate with each other, one of them the lateral wall fixedly connected with of slurcam holds the pole, the lateral wall of box body is offered along the direction of height and is used for supplying to hold the groove that slides that the pole slided, the groove that slides and one of them slurcam that links to each other with holding the pole inlay the thing groove of putting that establishes and communicate with each other, be provided with the fastener that is used for fixed holding the pole on the box body.

Through adopting above-mentioned technical scheme, the catch bar drives and is located the porcelain wainscot of putting the thing inslot and slides towards the notch of putting the thing groove, moves to the inner wall in groove that slides until holding the pole, puts the box body upside down again, pours the porcelain wainscot into the inside that holds the chamber to when reducing the porcelain wainscot and directly pouring out from putting the inslot, the chucking is in the possibility of putting inslot portion.

Optionally, the fastener includes that the adapter sleeve and the fixed stop collar of fixing cover on locating the holding rod of cover, the inner wall of adapter sleeve offers the spacing groove that is used for the spacing ring to slide along length direction, the fastening groove that the tip screw thread that is used for supplying the adapter sleeve inlayed and establish is offered to the lateral wall of box body, fastening groove and the groove that slides communicate with each other.

By adopting the technical scheme, the end part of the fastening sleeve is embedded in the fastening groove through threads so as to fix the holding rod in the sliding groove, so that the pushing plates connected with the holding rod are fixed, and all the pushing plates are fixed through the fixing rods; the limiting ring is embedded in the limiting groove so as to reduce the possibility that the fastening sleeve is separated from the holding rod.

In summary, the present application includes at least one of the following beneficial technical effects:

1. utilize belt cleaning device to wash the porcelain wainscot after the preparation is accomplished to need not the staff and wash the porcelain wainscot one by one, and then saved staff's operating time, so that improved staff's work efficiency.

2. The provision of a neckline allows the residual refractory substrate to be kept away from the blasting nozzle during the blasting process, thereby reducing the likelihood of damage to the porcelain facing during the blasting process.

Drawings

Fig. 1 is a schematic view of the overall structure of a cleaning apparatus according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of the a-a structure of fig. 1.

Fig. 3 is a cross-sectional view of the B-B structure of fig. 1.

Fig. 4 is a partial sectional view of a portion c of fig. 3.

FIG. 5 is a partial cross-sectional view of an embodiment of the present application for embodying a fastener structure.

Description of reference numerals: 1. a cleaning device; 11. a box body; 111. a storage groove; 112. a flow-through hole; 113. connecting grooves; 114. inserting grooves; 115. fixing grooves; 116. a sliding groove; 117. a fastening groove; 2. a shielding cover; 21. a blocking net; 22. installing a frame; 23. an accommodating chamber; 3. a connecting rod; 31. a locking groove; 32. a moving groove; 33. a guide surface; 4. a locking member; 41. a lock lever; 42. a travel bar; 43. a locking spring; 5. a push plate; 51. fixing the rod; 6. a holding rod; 7. a fastener; 71. fastening sleeves; 711. a limiting groove; 72. a limit ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a dental processing technology and a processing device thereof. The dental processing technology comprises the following steps:

and cleaning the silica gel tray, and pouring the superhard gypsum model.

The inspection silica gel guide plate is manufactured on the tooth position and the adjacent teeth which need to be manufactured, so that the manufactured porcelain veneers are inspected through the inspection silica gel guide plate, the goodness of fit between the porcelain veneers and the teeth of a user is guaranteed, and the comfort of the user is improved.

The plaster model is divided to make an independent model which can be taken off and worn, a groove which can be retained is made near the far middle side of the root of the model which can be taken off and worn, and a T-shape is made at the root tip to form the retention model.

The removable root is coated with a gap agent.

The removable impression was reproduced with silicone.

The refractory material can be made into removable refractory material by pouring.

And (4) carrying out heat treatment on the removable refractory material by using heat treatment equipment, and after the heat treatment is finished, putting the refractory material back into the mold for in-place inspection.

Before the ceramic is coated, water saturation treatment is carried out, and water is sufficiently absorbed, so that the possibility that the water on the ceramic is absorbed by the refractory material is reduced.

Be provided with the neck flange line on the refractory material removable type of reproduction, the neck flange line is made through high temperature pen to make remaining refractory material basement keep away from the nozzle of sandblast at the sandblast in-process, thereby reduce the possibility that the porcelain wainscot was damaged in the sandblast process.

And carrying out ceramic sintering for multiple times.

Trimming the shape, glazing, and removing the refractory material substrate by sand blasting.

And finishing the in-place polishing to obtain the porcelain veneer.

The porcelain facing after the completion of the manufacture is cleaned by a cleaning device 1.

The dental processing technology of the embodiment of the application has the implementation principle that: pouring a superhard gypsum model, dividing the gypsum model to make a removable independent model, copying a removable impression by using silica gel, pouring a refractory material removable model by using a refractory material, carrying out heat treatment on the refractory material removable model, carrying out water saturation treatment, fully absorbing water, finishing the shape, glazing, carrying out sand blasting to remove a refractory material substrate, and finishing in-place polishing to obtain a porcelain veneer; utilize belt cleaning device 1 to wash the porcelain wainscot after the preparation is accomplished to need not the staff and wash the porcelain wainscot one by one, and then saved staff's operating time, so that improved staff's work efficiency.

The embodiment of the application also discloses a dental processing technology and a processing device thereof.

Referring to fig. 1 and 2, the dental processing device includes a heat treatment device and a cleaning device 1, the heat treatment device may be a heat treatment quenching furnace, the cleaning device 1 includes a box body 11 and a shielding cover 2, the upper surface of the box body 11 is provided with a plurality of object placing grooves 111 along the height direction, the box body 11 is provided with a circulation hole 112 below each object placing groove 111, the number of the object placing grooves 111 is consistent with the number of the circulation holes 112, and each object placing groove 111 is communicated with the circulation hole 112 at the same height; when the staff need wash a plurality of porcelain wainscot, place a plurality of porcelain wainscot in putting thing groove 111 one by one to realize once only wasing many porcelain wainscots, improved the cleaning efficiency.

Referring to fig. 2, the shielding cover 2 includes a shielding net 21 and a mounting frame 22, the mounting frame 22 is welded to one side of the shielding net 21 close to the box body 11, and an accommodating cavity 23 is arranged between the shielding net 21 and the mounting frame 22; after a plurality of porcelain wainscot washs the completion, put box body 11 upside down, pour the porcelain wainscot into the inside that holds chamber 23 to be convenient for the staff will put the porcelain wainscot in the thing groove 111 and take out fast conveniently.

Referring to fig. 3 and 4, the outer side wall of the mounting frame 22 is welded with four connecting rods 3, each two connecting rods 3 are arranged on two sides of the mounting frame 22 in the length direction, and one side of each connecting rod 3 away from the mounting frame 22 is provided with a guide surface 33; one side of the box body 11 close to the mounting frame 22 is provided with a connecting groove 113 along the height direction for the connecting rod 3 to be inserted, and the box body 11 is provided with a locking piece 4 for fixing the connecting rod 3.

Referring to fig. 4, the locking member 4 includes a locking rod 41 and a moving rod 42, the locking rod 41 may be an L-shaped rod, the moving rod 42 is welded to a side wall of the locking rod 41, the moving rod 42 is disposed at a side of the locking rod 41 close to the mounting frame 22, a locking groove 31 for movement of the locking rod 41 is formed in a side wall of the connecting rod 3 along the width direction, a moving groove 32 for movement of the moving rod 42 is formed in a side wall of the connecting rod 3 along the width direction, and the locking groove 31 is communicated with the moving groove 32; an inserting groove 114 for inserting the end of the locking rod 41 is formed in the box body 11, and the inserting groove 114 is communicated with the connecting groove 113; a locking spring 43 is welded on one side, away from the moving rod 42, of the locking rod 41, and one end, away from the moving rod 42, of the locking spring 43 is welded on the inner wall of the locking groove 31; when one end of the connecting rod 3, which is far away from the mounting frame 22, is rapidly inserted into the connecting groove 113 under the action of the guide surface 33, the locking rod 41 is completely embedded inside the locking groove 31, and the locking spring 43 is in a compressed state at the moment; when the end of the connecting rod 3 far from the mounting frame 22 is completely embedded in the connecting groove 113, the moving rod 42 is released, the moving rod 42 slides along the inside of the moving groove 32 towards the notch of the moving groove 32 under the action of the locking spring 43, and the end of the locking rod 41 slides along the inside of the locking groove 31 towards the notch of the locking groove 31 under the action of the locking spring 43 until the end of the locking rod 41 is inserted into the inserting groove 114; at this time, the mounting frame 22 and the case 11 come into contact with each other on the side close to each other, so that the end of the link lever 3 is fixed inside the link groove 113, and the shield cover 2 is fixed to the case 11.

Referring to fig. 2, the box body 11 is provided with push plates 5 inside the article holding groove 111, a fixing rod 51 is welded between adjacent push plates 5, a fixing groove 115 for sliding the fixing rod 51 is formed inside the box body 11 along the height direction, and the fixing groove 115 is communicated with the article holding groove 111; the side wall of one of the pushing plates 5 is welded with the holding rod 6, the outer side wall of the box body 11 is provided with a sliding groove 116 for the holding rod 6 to slide along the height direction, and the sliding groove 116 is communicated with the article placing groove 111 embedded in one of the pushing plates 5; when a plurality of the cleaned porcelain veneers need to be taken out, the holding rod 6 is held, so that the holding rod 6 moves towards one side of the shielding net 21 along the inside of the sliding groove 116; when the holding rod 6 moves to the inner wall of the sliding groove 116 and cannot move continuously, the box body 11 is placed upside down, and the porcelain facing is poured into the inner part of the accommodating cavity 23, so that the stability of the porcelain facing taken out of the accommodating groove 111 is improved.

Referring to fig. 5, a fastening member 7 for fixing the holding rod 6 is disposed on the box body 11, the fastening member 7 includes a fastening sleeve 71 and a limiting ring 72, the limiting ring 72 is fixedly sleeved on the side wall of the holding rod 6, and the fastening sleeve 71 is sleeved outside the holding rod 6; the inner wall of the fastening sleeve 71 is provided with a limiting groove 711 for embedding the limiting ring 72 along the length direction, the outer side wall of the box body 11 is provided with a fastening groove 117 for embedding the fastening sleeve 71 in a threaded manner, and the fastening groove 117 is communicated with the sliding groove 116; when the porcelain facing is not required to be taken out, the fastening sleeve 71 is held, so that the fastening sleeve 71 moves towards one side of the box body 11 along the side wall of the holding rod 6, and the limiting ring 72 synchronously moves along the inner part of the limiting groove 711; then, the tightening sleeve 71 is rotated until the end of the tightening sleeve 71 is screwed into the tightening groove 117, and at this time, the stopper ring 72 is synchronously rotated in the stopper groove 711, so that the grip rod 6 is fixed by fixing the tightening sleeve 71.

The implementation principle of the dental processing device in the embodiment of the application is as follows: after the porcelain facing is manufactured, placing the porcelain facing inside the storage groove 111; then, the end of the connecting rod 3 is inserted into the connecting groove 113, and the end of the locking rod 41 is inserted into the inserting groove 114 by the elastic force of the locking spring 43, so that the shielding cover 2 is fixed to the box body 11.

After the porcelain facing washs the completion, flip box body 11 for the porcelain facing that is located to put in thing groove 111 drops to holding in the chamber 23, then holds the carriage release lever 42, makes carriage release lever 42 remove towards the bottom of moving groove 32, the tip synchronous motion of locking lever 41 this moment, break away from the inside of inserting groove 114 until the tip of locking lever 41, so that take out connecting rod 3 from connecting groove 113, thereby will shelter from lid 2 and break away from on box body 11, and then will place the porcelain facing that holds in the chamber 23 and take out.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.