CN218876136U - Removable denture resin base injection mold - Google Patents
Removable denture resin base injection mold Download PDFInfo
- Publication number
- CN218876136U CN218876136U CN202223389437.8U CN202223389437U CN218876136U CN 218876136 U CN218876136 U CN 218876136U CN 202223389437 U CN202223389437 U CN 202223389437U CN 218876136 U CN218876136 U CN 218876136U
- Authority
- CN
- China
- Prior art keywords
- resin base
- base
- injection mold
- removable denture
- jaw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000002347 injection Methods 0.000 title claims abstract description 40
- 239000007924 injection Substances 0.000 title claims abstract description 40
- 239000011347 resin Substances 0.000 title claims abstract description 30
- 229920005989 resin Polymers 0.000 title claims abstract description 30
- 239000003292 glue Substances 0.000 claims abstract description 32
- 230000000903 blocking effect Effects 0.000 claims abstract description 30
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 230000004888 barrier function Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 210000004283 incisor Anatomy 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 239000000741 silica gel Substances 0.000 description 8
- 229910002027 silica gel Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000000084 colloidal system Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 206010063659 Aversion Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000001055 chewing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 210000004513 dentition Anatomy 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
Images
Landscapes
- Dental Prosthetics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The application discloses removable denture resin base injection mold to realize improving the injection molding success rate of resin base. The removable denture resin base injection mold comprises a cover body and a mold main body which can be buckled; the die main body comprises a base, and a jaw supporting part and a blocking part which are arranged on the base; the jaw supporting part is positioned in the middle area of the base, is in an arc surface shape as a whole, protrudes towards one surface of the base, on which the blocking part is arranged, and corresponds to an upper jaw or a lower jaw; the blocking part is arranged around the jaw supporting part, a groove is formed between the blocking part and the jaw supporting part, and the groove is used for accommodating a dental cast; the blocking part is provided with a plurality of glue discharging openings and an air outlet.
Description
Technical Field
The application relates to the technical field of denture processing, in particular to an injection mold for a removable denture resin base.
Background
The base resin is the main material for making artificial tooth base, when the dentition is defective or lost, it is necessary for stomatologist to make artificial tooth (false tooth) for it to replace the lost tooth to restore normal chewing function, and general complete denture is composed of two parts of artificial tooth and base, and the base connects the artificial tooth together.
In the prior art, in the injection molding process of the resin base, the silica gel and the model are easily split due to the injection pressure, so that the injection molding base is deformed, and the artificial teeth are lifted or shifted to cause the injection molding failure.
Disclosure of Invention
The application aims to provide an injection mold for a removable denture resin base, so as to improve the injection success rate of the resin base.
The embodiment of the application provides an injection mold for a removable denture resin base, which comprises a cover body and a mold main body, wherein the cover body and the mold main body can be buckled; the die main body comprises a base, and a jaw supporting part and a blocking part which are arranged on the base;
the jaw supporting part is positioned in the middle area of the base, is in an arc surface shape as a whole, protrudes towards one surface of the base, on which the blocking part is arranged, and corresponds to an upper jaw or a lower jaw;
the blocking part is arranged around the jaw supporting part, and a groove is formed between the blocking part and the jaw supporting part and is used for accommodating a dental cast;
the blocking part is provided with a plurality of glue discharging openings and an air outlet.
In a possible embodiment, the height of the blocking portion increases from front to back, corresponding to the direction from the front to the front of the cast to the alveolar tooth.
In a possible implementation manner, the glue discharging port is arranged at the rear part of the blocking part, and the air outlet is arranged at a part outside the rear part of the blocking part.
In a possible way, the height of said vents corresponds to the height of the resin base to be prepared.
In a possible realisation, the jaw support is provided with a plurality of glue injection holes.
In a possible implementation manner, the number of the glue injection holes is 1 to 6.
In a possible implementation manner, the position of the glue injection hole is free from an overlapping area with the groove.
In a possible implementation manner, the base, the jaw supporting part and the blocking part are of an integrally molded structure.
In a possible implementation, the material of the cover body and the mold main body is a metal material.
In the embodiment of the application, through the mould main part on the base, set up jaw supporting part and block part, and make the jaw supporting part is located the middle zone of base makes the block part centers on the jaw supporting part sets up, with form between the jaw supporting part and hold the tooth mould the recess the jaw supporting part sets up a plurality ofly the hole of annotating glue the block part sets up a plurality ofly arrange jiao kou with the gas vent to at resin base support injection moulding in-process, make between silica gel and the model fixed, and discharge gas and unnecessary colloid smoothly, thereby ensure can not split between silica gel and the model, reduce the base that moulds plastics and support the circumstances such as deformation and artifical tooth rise or shift, improve the success rate that resin base supported moulds plastics.
Drawings
Fig. 1 is a schematic structural view of an injection mold for a removable denture resin base provided in an embodiment of the present application;
FIG. 2 is a schematic top view of a mold body provided in an embodiment of the present application;
fig. 3 is a schematic top view of a mold body provided with a glue injection opening according to an embodiment of the present application.
Reference numerals:
1. a cover body; 2. a mold body; 3. a base;
4. a jaw support; 5. a blocking portion; 6. a groove;
7. a glue discharging port; 8. an exhaust port; 9. and (6) a glue injection port.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.
The detailed description is as follows in conjunction with the appended drawings:
as shown in fig. 1, the present embodiment provides an injection mold for a resin base of a removable denture, comprising a cover 1 and a mold body 2 which can be fastened together; the mold body 2 includes a base 3, a jaw supporting portion 4 and a stopper portion 5 provided on the base 3. Wherein, the jaw supporting part 4 is used for supporting the upper jaw or the lower jaw area of the denture model; the blocking part 5 is used for blocking colloid during injection molding.
As shown in fig. 2, the die main body 2 is a schematic plan view, the jaw supporting part 4 is located in the middle area of the base 3, the whole jaw supporting part 4 is arc-surface-shaped, and is protruded to the surface of the base 3 provided with the blocking part 5, and corresponds to the upper jaw or the lower jaw; the blocking part 5 is arranged around the jaw supporting part 4, a groove 6 is formed between the blocking part and the jaw supporting part 4, and the groove 6 is used for accommodating a dental cast; the blocking portion 5 is provided with a plurality of glue discharge ports 7 and air discharge ports 8.
In the embodiment of the application, through on base 3 of mould main part, set up jaw supporting part 4 and barrier 5, and make jaw supporting part 4 be located the middle zone of base 3, make barrier 5 set up around jaw supporting part 4, and form the recess 6 that holds the tooth mould between the jaw supporting part 4, set up a plurality of row's jiao kou 7 and gas vent 8 at barrier 5, thereby in resin base support injection moulding process, make between silica gel and the model fixed, and discharge gas and unnecessary colloid smoothly, thereby ensure not splitting between silica gel and the model, reduce the base support that moulds plastics and warp and artifical tooth rising or circumstances such as aversion, improve the success rate that resin base support moulded plastics.
In some possible examples, the height of the blocking portion 5 increases from front to back, corresponding to the direction from the front to the incisor of the cast. Referring to fig. 1 and 2, it can be understood that the height of the blocking portion 5 increases from front to back from the end where the glue discharging opening 7 is located to the position of the slot teeth to the end where the glue discharging opening 7 is located.
In some possible examples, the glue discharge opening 7 is provided at the rear of the barrier 5, and the air discharge opening 8 is provided at a portion other than the rear of the barrier 5.
In some possible examples, the height of the vent 8 corresponds to the height of the resin base to be prepared.
In another schematic top view of the mould body 2, as shown in fig. 3, the jaw support 4 is provided with a plurality of glue injection holes 9 in some possible examples. The number of the glue injection holes 9 can be 1-6, and the positions of the glue injection holes 9 and the grooves 6 are not overlapped.
In some possible examples, the base 3, the jaw supporting portion 4 and the blocking portion 5 are formed as an integral structure, and the base 3, the jaw supporting portion 4 and the blocking portion 5 are formed as an integral structure.
In some possible examples, the material of the cover body 1 and the mold main body 2 is a metal material.
In some possible examples, the cover 1 may be provided with openings corresponding to the air outlet 8 and/or the glue outlet 7, which are not shown.
Taking the mold body 2 shown in fig. 3 as an example: during injection molding, the artificial tooth is placed in the groove 6 of the mold main body 2, the denture model and the silica gel are correspondingly fixed, the edge of the denture model and the edge of the silica gel are sealed by using glue, the glue injection port 9 of the mold main body 2 is aligned to be positioned at the edge of the inner side of the denture model, the exhaust port 8 of the mold main body 2 is aligned to the edge of the outer side of the denture model, uncured silica gel is added at the bottom of the denture model, the cover body 1 and the mold main body 2 are covered and fixed by using a clamp until the cover body and the mold main body are not loosened.
The sealed cover body 1 and the sealed mould body 2 enable the glue injection port 9 of the mould body 2 to be placed on a table top upwards, the mixed resin glue is filled into the injector, the injector is aligned to the glue injection port 9 for glue injection until glue is discharged from the glue discharge port 7, and then the injection is stopped, and in the process, gas is discharged from the gas outlet 8. Of course, in practical application, the air outlet 8 may also discharge glue, which is not described herein again.
It should be noted that, for the mold main body 2 shown in fig. 2, since the glue injection openings 9 are not provided, any row of the glue injection openings 7 can be used as the glue injection, and the glue injection process is similar to the above process and is not described herein again.
It should be understood that terms such as "section" or "portions" used in this application are a method for distinguishing different components, elements, parts, portions or assemblies at different levels. However, other terms may be used in the present application instead of the above terms if they can achieve the same purpose.
The terms "first" or "second" and the like described in the present application are only used for distinguishing the relationship between the respective components, and do not necessarily limit the difference, and other terms may be used instead of the above terms in the present application if the other terms can achieve the same purpose.
While particular embodiments have been illustrated and described, it will be appreciated that the above embodiments are illustrative only, and not limiting, of the technical solutions of the present application; those of ordinary skill in the art will understand that: modifications may be made to the above-described embodiments, or equivalents may be substituted for some or all of the features thereof without departing from the spirit and scope of the present application; the modifications or the substitutions do not cause the essential features of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present application; it is therefore intended to cover in the appended claims all such alternatives and modifications that are within the scope of this application.
Claims (9)
1. An injection mold for a removable denture resin base is characterized by comprising a cover body and a mold main body which can be buckled; the die main body comprises a base, and a jaw supporting part and a blocking part which are arranged on the base;
the jaw supporting part is positioned in the middle area of the base, is in an arc surface shape as a whole, protrudes towards one surface of the base, on which the blocking part is arranged, and corresponds to an upper jaw or a lower jaw;
the blocking part is arranged around the jaw supporting part, and a groove is formed between the blocking part and the jaw supporting part and is used for accommodating a dental cast;
the blocking part is provided with a plurality of glue discharging openings and an air outlet.
2. The removable denture resin base injection mold according to claim 1, wherein the barrier portion increases in height from front to back in a direction from the anterior teeth to the incisors of the dental mold.
3. The removable denture resin base injection mold according to claim 2, wherein the discharge port is provided at a rear portion of the barrier portion, and the discharge port is provided at a portion other than the rear portion of the barrier portion.
4. The removable denture resin base injection mold according to claim 1, wherein the vent has a height corresponding to a height of the resin base to be prepared.
5. The removable denture resin base injection mold according to claim 1, wherein the jaw supporting portion is provided with a plurality of injection holes.
6. The removable denture resin base injection mold according to claim 5, wherein the number of the injection holes is 1 to 6.
7. The removable denture resin base injection mold according to claim 6, wherein the injection hole is located at a region where there is no overlap with the recess.
8. The removable denture resin base injection mold of claim 1, wherein the base, the jaw support portion and the stop portion are of an integrally formed construction.
9. An injection mold for a removable denture resin base as claimed in claim 1, wherein the material of the cover and the mold body is a metallic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223389437.8U CN218876136U (en) | 2022-12-17 | 2022-12-17 | Removable denture resin base injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223389437.8U CN218876136U (en) | 2022-12-17 | 2022-12-17 | Removable denture resin base injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218876136U true CN218876136U (en) | 2023-04-18 |
Family
ID=85942414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223389437.8U Active CN218876136U (en) | 2022-12-17 | 2022-12-17 | Removable denture resin base injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218876136U (en) |
-
2022
- 2022-12-17 CN CN202223389437.8U patent/CN218876136U/en active Active
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