CN209869208U - Injection molding device for manufacturing false teeth - Google Patents

Abstract

The utility model belongs to the field of artificial tooth processing, and particularly discloses an injection molding device for artificial tooth manufacturing, which comprises a casing, wherein the top of the casing is vertically and slidably connected with an extrusion rod, the bottom of the casing is provided with a placing cavity, a mold box for placing an artificial tooth model is arranged in the placing cavity, the upper end of the mold box is provided with a positioning groove, a dissolving barrel for placing resin is clamped in the positioning groove, the dissolving barrel is positioned under the extrusion rod, and the contact part of the dissolving barrel and the mold box is provided with a closable intercommunicating hole; the dissolving barrel comprises a sleeve and a capsule positioned in the sleeve, the capsule can be inserted into the sleeve and slides relative to the sleeve, the capsule comprises a shell with an opening at one end and a cover body in interference fit with the opening, and the capsule further comprises a pressing plate for pressing the cover body. Adopt the utility model discloses a scheme, at the injection in-process, can avoid the resin of dissolving to spill over from dissolving the bucket upper end.

Description

Injection molding device for manufacturing false teeth

Technical Field

The utility model belongs to artificial tooth processing field, concretely relates to injection moulding device is used in artificial tooth preparation.

Background

The denture is a 'false tooth' which means that the denture is a tooth which is used as an "obligation" for human beings just like a leg prosthesis and an artificial limb, and is a general term of a prosthesis made after partial or all teeth of the upper and lower jaws are lost in medicine. The artificial tooth is divided into removable type and fixed type. Fixed dentures (commonly known as "fixed dentures") are not worn by the patient himself, while removable dentures (commonly known as "removable dentures") are worn by the patient easily.

The prior art denture manufacturing steps include resin drying, resin dissolving, embedding, dewaxing, injection molding and the like, wherein the injection molding is to inject resin onto a denture model under pressure provided by an air compressor so as to form the denture. In the injection process, the resin of solution state is placed in dissolving the bucket, and in order to avoid the injection process, the resin holds dissolving bucket upper end and spills over, puts into seal gasket at holding the chamber top usually among the prior art, but sealed effect is not ideal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection molding device is used in artificial tooth preparation to solve the problem that the resin that dissolves spills over from dissolving the bucket upper end easily.

In order to achieve the above purpose, the basic scheme of the utility model is as follows: the injection molding machine for manufacturing the artificial teeth comprises a machine shell, wherein an extrusion rod is vertically and slidably connected to the top of the machine shell, a placing cavity is formed in the bottom of the machine shell, a mold box for placing an artificial tooth model is arranged in the placing cavity, a positioning groove is formed in the upper end of the mold box, a dissolving barrel for placing resin is clamped in the positioning groove and is positioned right below the extrusion rod, closable communication holes are formed in the dissolving barrel and the mold box, and the two communication holes can be mutually communicated; the dissolving barrel comprises a sleeve and a capsule positioned in the sleeve, the capsule can be inserted into the sleeve and slides relative to the sleeve, the capsule comprises a shell with an opening at one end and a cover body in interference fit with the opening, and the capsule further comprises a pressing plate for pressing the cover body.

The theory of operation and the beneficial effect of this basic scheme lie in:

the type box that will place sense tooth model places and places the intracavity, places the chamber and carries on spacingly to the type box, and the type box has the one end orientation of intercommunicating pore, will place the dissolving bucket of the resin of dissolved state and place the constant head tank in, dissolve the one end orientation that the bucket has the intercommunicating pore downwards, and two intercommunicating pores can communicate each other. And opening the communicating hole, starting the air compressor, driving the extrusion head to move downwards by the pressure generated by the air compressor, extruding the gland to move downwards by the extrusion head, driving the cover body to move downwards by the gland, and extruding the resin into the mould box.

Lid and opening interference fit for clearance between lid and the casing is less, avoids the resin to spill over, simultaneously, sets up the sleeve, even the resin upwards spills over, but the resin still can the downflow in entering into the clearance between sleeve and the capsule, can not directly spill over and cause the waste. Moreover, a cover body is pressed by a pressing plate, and the pressing plate has certain pressure on the cover body, so that the cover body can be prevented from moving upwards.

Furthermore, the opposite sides of the pressure plate and the cover body are respectively fixed with a magnet, the opposite sides of the two magnets are opposite in magnetism, and a silica gel sealing gasket is arranged between the pressure cover and the cover body.

Has the advantages that: the pressure disk passes through the suction effect of magnet with the lid and closely adsorbs together, can avoid the sealed pad of silica gel to produce the removal with the inseparable suppression of silica gel sealing pad that sets up between pressure disk and lid on the lid for the sealed pad of silica gel can better performance effect.

Furthermore, the lid is the open hollow column in one end, and the end of opening of lid outwards buckles and forms the bending part, and the one end that the bending part kept away from the lid end of opening is towards the sealed end of lid.

Has the advantages that: the lid preparation is hollow column, and the lid can be more insert in the casing on the one hand, and is better to the sealed effect of casing, and on the other hand compares solid column, can reduce the use of material, reduce cost. When the lid was in inserting the casing, the kink received shells inner wall's extrusion for the resistance grow in the lid got into the casing, and when the kink was along with lid downstream, the kink can be scraped the resin that adheres on shells inner wall, scrapes the resin downwards, and the connection of lid and casing is also comparatively inseparable. Even if the resin overflows upwards, the resin flows to the gap between the bent part and the outer wall of the cover body along the surface of the bent part, so that subsequent collection and treatment are facilitated.

Furthermore, the inner walls of two opposite sides of the casing are transversely connected with positioning rods in a sliding mode, magnetic blocks are fixed at one ends, opposite to the two positioning rods, of the two magnetic blocks, and the magnetic faces, opposite to the two magnetic blocks, of the two magnetic blocks are opposite in magnetism.

Has the advantages that: two magnetic path inter attraction for two locating levers are close to each other, will dissolve the bucket and fix between two locating levers, and the locating lever can assist the constant head tank to carry on spacingly to dissolving the bucket, avoids in the course of working, dissolves the bucket and produces and rock.

Furthermore, the opposite surfaces of the magnetic blocks are in arc shapes which are matched with the outer wall of the dissolving barrel.

Has the advantages that: the magnetic block can be better attached to the outer wall of the dissolving barrel, and the limiting effect on the dissolving barrel is better.

Furthermore, a transparent glass window is arranged on the machine shell.

Has the advantages that: the operating condition in the casing is conveniently observed by an operator.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a front view of the molding box and the dissolving tank being placed in the cabinet;

FIG. 3 is a front cross-sectional view of the dissolving bucket;

fig. 4 is an enlarged view of a portion a in fig. 3.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a machine shell 1, an extrusion head 2, a glass window 3, a dissolving barrel 4, a mould box 5, a sleeve 6, a shell 7, a cover body 8, a bent part 9, a silica gel sealing gasket 10 and a gland 11.

The embodiment is basically as shown in the attached figures 1 and 2: injection molding machine is used in artificial tooth preparation, including casing 1, the vertical sliding connection in casing 1 top has extrusion pole, and extrusion pole is connected with the air compressor machine that is used for providing injection pressure, and concrete connection mode is prior art, does not do here and gives unnecessary details. A transparent glass window 3 is arranged on the machine shell 1.

Casing 1 bottom is equipped with places the chamber, places the intracavity and is equipped with the type box 5 that is used for placing the artificial tooth model, and type box 5 upper end is equipped with the constant head tank, and the joint has the bucket 4 that dissolves that is used for placing the resin in the constant head tank, dissolves bucket 4 and is located under the extrusion pole, dissolves and all is equipped with the intercommunicating pore that can seal on bucket 4 and the type box 5, and is concrete, installs the valve in the intercommunicating pore, and operating personnel can control opening and close of intercommunicating pore through control flap's opening and close. The two communication holes may communicate with each other.

Referring to fig. 3, the dissolving tank 4 comprises a sleeve 6 and a capsule in the sleeve 6, wherein the length of the sleeve 6 is greater than that of the capsule, and the capsule is made of aluminum. The capsule is insertable into the sleeve 6 and slidable relative to the sleeve 6, the capsule comprising a housing 7 with an opening at one end and a cover 8 in interference fit with the opening. The lid 8 is the open hollow column of one end, and the lower extreme of lid 8 is the open end, and the upper end is sealed end. The open end of the cover 8 is bent outward to form a bent portion 9, and one end of the bent portion 9 away from the open end of the cover 8 faces the sealed end of the cover 8, i.e., the bent portion 9 is bent upward.

The capsule further comprises a pressing plate for pressing the cover body 8, magnets (not shown in the figure) are fixed on the opposite surfaces of the pressing plate and the cover body 8, the opposite surfaces of the two magnets are opposite in magnetism, and a silica gel sealing gasket 10 is arranged between the pressing cover 11 and the cover body 8.

The inner walls of the front side and the rear side of the machine shell 1 are respectively and transversely connected with positioning rods in a sliding manner, the magnetic blocks are fixed at the opposite ends of the two positioning rods, the opposite surfaces of the two magnetic blocks are opposite in magnetism, and the opposite surfaces of the magnetic blocks are respectively arc-shaped and are matched with the outer wall of the dissolving barrel 4.

The specific implementation process is as follows:

to place the type box 5 of sense tooth model and place the intracavity, place the chamber and carry on spacingly to type box 5, the one end orientation that type box 5 has the intercommunicating pore is upwards, will place the dissolving bucket 4 of the resin of dissolved state and place the constant head tank in, be about to in sleeve 6 places the constant head tank, casing 7 is located sleeve 6. The end of the dissolving tank 4 having the communication hole faces downward, and the two communication holes can communicate with each other. Two magnetic path inter attraction for two locating levers are close to each other, will dissolve bucket 4 and fix between two locating levers, and the locating lever can assist the constant head tank to carry on spacingly to dissolving bucket 4, avoids in the course of working, dissolves bucket 4 and produces and rock.

An operator opens the communicating hole, the air compressor is started, the extrusion head 2 is driven by pressure generated by the air compressor to move downwards, the extrusion head 2 extrudes the gland 11 to move downwards, the gland 11 drives the cover body 8 to move downwards, and resin is extruded into the mould box 5.

The pressure disk and the lid 8 are closely adsorbed together through the suction effect of magnet, can be with setting up the inseparable suppression of the sealed pad 10 of silica gel between pressure disk and lid 8 on lid 8, avoid the sealed pad 10 of silica gel to produce and remove for the sealed pad 10 of silica gel can be better performance effect. When kink 9 moves down along with lid 8, kink 9 can scrape the resin that adheres on at casing 7 inner wall, scrapes the resin downwards, and the connection of lid 8 and casing 7 is also comparatively inseparable. Even if the resin overflows upwards, the resin flows to the gap between the bent part 9 and the outer wall of the cover body 8 along the surface of the bent part 9, so that the subsequent collection treatment is facilitated.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (6)

1. Injection molding device is used in artificial tooth preparation, including the casing, its characterized in that: the top of the machine shell is vertically and slidably connected with an extrusion rod, the bottom of the machine shell is provided with a placing cavity, a mold box for placing an artificial tooth model is arranged in the placing cavity, the upper end of the mold box is provided with a positioning groove, a dissolving barrel for placing resin is clamped in the positioning groove, the dissolving barrel is positioned right below the extrusion rod, the dissolving barrel and the mold box are both provided with closable communication holes, and the two communication holes can be mutually communicated; the dissolving barrel comprises a sleeve and a capsule positioned in the sleeve, the capsule can be inserted into the sleeve and slides relative to the sleeve, the capsule comprises a shell with an opening at one end and a cover body in interference fit with the opening, and the capsule further comprises a pressing plate for pressing the cover body.

2. The injection molding apparatus for producing a denture as claimed in claim 1, wherein: magnet is all fixed with to the one side that pressure disk and lid are relative, and two relative one sides magnetism of magnet are opposite, are equipped with the sealed pad of silica gel between gland and the lid.

3. The injection molding apparatus for producing a denture as claimed in claim 2, wherein: the lid is the open hollow column of one end, and the end of opening of lid outwards buckles and forms the kink, and the one end that the kink kept away from the lid end of opening is towards the sealed end of lid.

4. The injection molding apparatus for producing a denture as claimed in claim 3, wherein: the inner walls of two opposite sides of the machine shell are transversely connected with positioning rods in a sliding mode, magnetic blocks are fixed at one ends, opposite to the two positioning rods, of the two magnetic blocks, and the magnetic faces, opposite to the two magnetic blocks, of the two magnetic blocks are opposite in magnetism.

5. The injection molding apparatus for producing a denture as claimed in claim 4, wherein: the opposite surfaces of the magnetic blocks are arc-shaped and are matched with the outer wall of the dissolving barrel.

6. The injection molding apparatus for producing a denture as claimed in claim 5, wherein: and a transparent glass window is arranged on the shell.