CN213675272U

CN213675272U - Material returning device of resin tooth injection mold

Info

Publication number: CN213675272U
Application number: CN202022299166.1U
Authority: CN
Inventors: 毛军伟; 丁钊
Original assignee: Anyang Yingpai Dental Materials Co Ltd
Current assignee: Anyang Yingpai Dental Materials Co Ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-07-13
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a resin tooth injection mould material returned device, rotate the circular slab of installing between two jibs including the bed die and through the pivot, and the terminal surface shape of jibs is semi-circular setting, and the pivot on right side is passed through one-way bearing and is connected with the circular slab, a plurality of and bed die matched with standing grooves have been seted up to the upper surface of circular slab, and install limit structure between bed die and the standing groove, a plurality of cavitys have been seted up on the jibs, and the cavity is linked together with corresponding standing groove, every equal fixed mounting has the vibrator in the cavity, the contact plate is equipped with through the spring solid safety to the vibrator, and the contact plate offsets with corresponding bed die. Has the advantages that: the molded resin tooth material returning operation is simple and convenient, and the resin tooth is not required to be manually taken out one by one, so that the material taking efficiency is improved; meanwhile, the supporting effect of the supporting seat on the circular plate in the injection molding process can be effectively improved by using the supporting blocks I and II in a matched manner.

Description

Material returning device of resin tooth injection mold

Technical Field

The utility model relates to a mould material returned device especially relates to a resin tooth is annotated and is pressed mould material returned device.

Background

The resin tooth is not easy to be seen by outsiders as a rear filling tooth in the using process, so the resin tooth is popular with many filling teeth, after injection molding, the resin tooth needs to be manually taken down from a lower die one by one, but the mode has the problems of low speed and low efficiency, and simultaneously, the resin tooth has certain inconvenience in specific taking-down operation because the volume of the resin tooth is relatively small.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art and providing a material returning device of a resin tooth injection mould.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a material returning device of a resin tooth injection molding die comprises a lower die and a circular plate which is rotatably arranged between two bar frames through a rotating shaft, the end surface shape of each bar frame is semicircular, the rotating shaft on the right side is connected with the circular plate through a one-way bearing I, the upper surface of the circular plate is provided with a plurality of placing grooves matched with the lower die, a limiting structure is arranged between the lower die and the placing grooves, the bar frames are provided with a plurality of cavities communicated with the corresponding placing grooves, each cavity is internally and fixedly provided with a vibrator, the vibrators are fixedly provided with contact plates through springs, the contact plates are abutted against the corresponding lower die, one of the bar frames is fixedly provided with a servo motor and is provided with a mounting hole, one of the rotating shafts penetrates through the mounting hole and is fixedly arranged at the driving end of the servo motor, and a supporting bearing matched with the rotating shaft is arranged in the mounting hole, should install the helical gear through one-way bearing two in the pivot, two install the supporting seat through elevation structure between the pole frame, and install bearing structure between pole frame and the supporting seat, the last fixed surface of supporting seat installs the annular helical gear with helical gear engaged with.

In foretell resin tooth injection mould material returned device, limit structure comprises a plurality of spacing grooves, a plurality of block rubber and a plurality of spacing block, every a plurality of spacing grooves have all been seted up on the inner wall of standing groove, every all fixed paste has a block rubber on the roof of spacing groove, every equal fixed mounting has a plurality of and spacing groove matched with stopper on the outer wall of bed die.

In the above resin tooth injection molding die material returning device, each contact plate is fixedly provided with a plurality of positioning rods, and the length of each positioning rod is greater than that of each limiting groove.

In foretell resin tooth injection mould material returned device, elevation structure comprises fagging, cylinder and telescopic link, two fixed mounting has a fagging between the hack, the last fixed surface of fagging installs a cylinder, install the telescopic link on the cylinder, and be connected for rotating between the upper end of telescopic link and the supporting seat.

In the above resin tooth injection mold material returning device, the supporting structure is composed of a plurality of first supporting blocks and a plurality of second supporting blocks, the plurality of first supporting blocks are fixedly installed on the lower surface of the supporting seat, two second supporting blocks matched with the first supporting blocks are fixedly installed on the two rod frames, the shortest straight line distance between the two corresponding supporting blocks is greater than the thickness of the first supporting blocks, and the shortest straight line distance between the circular plate and the second supporting blocks is greater than the diameter of the circular plate.

Compared with the prior art, the utility model discloses the advantage lies in:

1: the molded resin tooth material returning operation is simple and convenient, and the resin tooth material is not required to be manually taken out one by one, so that the material taking efficiency is improved.

2: and the rotation of the circular plate and the rotation of the supporting seat are not influenced by each other by using the one-way bearing I and the one-way bearing II in a matching way.

3: and the supporting effect of the supporting seat on the circular plate in the injection molding process is improved by using the first supporting block and the second supporting block in a matching manner.

Drawings

Fig. 1 is a schematic structural view of a material returning device of a resin tooth injection molding die provided by the present invention;

FIG. 2 is an enlarged view of the structure of part A in FIG. 1;

FIG. 3 is an enlarged view of the structure of part B in FIG. 1;

fig. 4 is a bottom view of the support seat portion of fig. 1.

In the figure: the device comprises a rod frame 1, a circular plate 2, a lower die 3, a placement groove 4, a limiting block 5, a rubber block 6, a cavity 7, a vibrator 8, a spring 9, a contact plate 10, a locating rod 11, a servo motor 12, a mounting hole 13, a supporting bearing 14, a one-way bearing II 15, a bevel gear 16, an annular bevel gear 17, a supporting seat 18, a supporting block I19, a supporting block II 20, a supporting plate 21, an air cylinder 22 and a telescopic rod 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a resin tooth injection mold material returning device comprises a lower mold 3 and a circular plate 2 rotatably mounted between two rod frames 1 through a rotating shaft, wherein the end surface of each rod frame 1 is semicircular, the rotating shaft on the right side is connected with the circular plate 2 through a one-way bearing I, a plurality of placing grooves 4 matched with the lower mold 3 are formed in the upper surface of the circular plate 2, and a limiting structure is mounted between the lower mold 3 and the placing grooves 4;

the above is noteworthy for the following two points:

1. limiting structure comprises a plurality of spacing grooves, a plurality of block rubber 6 and a plurality of stopper 5, has all seted up a plurality of spacing grooves on the inner wall of every standing groove 4, and equal fixed paste has a block rubber 6 on the roof of every spacing groove, and equal fixed mounting has a plurality of stoppers 5 with spacing groove matched with on the outer wall of every bed die 3.

2. A plurality of positioning rods 11 are fixedly arranged on each contact plate 10, and the length of each positioning rod 11 is greater than that of each limiting groove; the positioning rod 11 is arranged so that the contact plate 10 can only move up and down in the vertical direction without deflection.

A plurality of cavities 7 are formed in the rod frame 1, the cavities 7 are communicated with corresponding placing grooves 4, a vibrator 8 is fixedly installed in each cavity 7, a contact plate 10 is fixedly installed on each vibrator 8 through a spring 9, and the contact plate 10 abuts against the corresponding lower die 3;

the above is noteworthy: the vibrator 8 is an existing device, and the working principle and the specific implementation mode thereof are not specifically described herein; a MEMS oscillator may be employed.

A servo motor 12 is fixedly arranged on one of the rod frames 1, a mounting hole 13 is formed in the rod frame 1, one rotating shaft penetrates through the mounting hole 13 and is fixedly arranged on the driving end of the servo motor 12, a supporting bearing 14 matched with the rotating shaft is arranged in the mounting hole 13, and a helical gear 16 is arranged on the rotating shaft through a one-way bearing II 15;

the above is noteworthy for the following two points:

1. the servo motor 12 can be a JSF57-15-30-BF-1000 servo motor model.

2. The self-locking direction of the one-way bearing II 15 is opposite to that of the one-way bearing I; so that the helical gear 16 does not rotate when the circular plate 2 rotates, and similarly, the circular plate 2 does not rotate when the helical gear 16 rotates.

A supporting seat 18 is arranged between the two rod frames 1 through a lifting structure, a supporting structure is arranged between the rod frames 1 and the supporting seat 18, and an annular bevel gear 17 meshed with the bevel gear 16 is fixedly arranged on the upper surface of the supporting seat 18;

the following points are notable:

1. the lifting structure comprises fagging 21, cylinder 22 and telescopic link 23, and fixed mounting has a fagging 21 between two pole framves 1, and the last fixed surface of fagging 21 installs a cylinder 22, installs telescopic link 23 on the cylinder 22, and is connected for rotating between the upper end of telescopic link 23 and the supporting seat 18.

2. The supporting structure is composed of a plurality of first supporting blocks 19 and a plurality of second supporting blocks 20, the first supporting blocks 19 are fixedly installed on the lower surface of the supporting base 18, the second supporting blocks 20 matched with the first supporting blocks 19 are fixedly installed on the two rod frames 1, the shortest straight-line distance between the two corresponding supporting blocks 20 is larger than the thickness of the first supporting blocks 19, and the shortest straight-line distance between the circular plate 2 and the second supporting blocks 20 is larger than the diameter of the circular plate 2.

3. The fallen resin teeth can be collected by other vessels or by the support seat 18, but when the resin teeth are collected by the support seat 18, a layer of elastic rubber needs to be fixedly installed on the upper surface of the resin teeth, so that the resin teeth are prevented from directly contacting the support seat 18.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

In the utility model, when the resin teeth need to be taken down after the injection molding is finished, the servo motor 12 is firstly used for driving the second one-way bearing 15 to rotate, at the moment, the circular plate 2 can not rotate, the second one-way bearing 15 rotates and drives the annular bevel gear 17 meshed with the second one-way bearing to rotate through the bevel gear 16, the annular bevel gear 17 rotates and drives the supporting seat 18 to rotate, and the supporting seat 18 rotates and drives the corresponding first supporting block 19 to rotate, so that the first supporting block 19 rotates to a position between the two corresponding second supporting blocks 20;

the cylinder 22 works and drives the supporting seat 18 to move downwards through the telescopic rod 23, the supporting seat 18 moves downwards to drive the supporting block 19 to move downwards together, after the belt moves to a proper height (if the upper surface of the supporting seat 18 is parallel and level with the upper surfaces of the supporting blocks 20), the cylinder 22 can be closed, the servo motor 12 is started to enable the rotating shaft to rotate reversely, the circular plate 2 is driven to rotate, after 180 degrees of rotation is carried out, the servo motor 12 is closed, the vibrator 8 is started, vibration generated by the work of the vibrator 8 can generate a vibration effect on the lower die 3, and therefore the molded resin teeth can fall off from the lower die 3 quickly and fall onto the supporting seat 18.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A material returning device of a resin tooth injection molding die comprises a lower die (3) and a circular plate (2) rotatably mounted between two rod frames (1) through a rotating shaft, the end face of each rod frame (1) is in a semicircular shape, the rotating shaft on the right side is connected with the circular plate (2) through a one-way bearing I, the resin tooth injection molding die is characterized in that a plurality of placing grooves (4) matched with the lower die (3) are formed in the upper surface of the circular plate (2), a limiting structure is mounted between the lower die (3) and the placing grooves (4), a plurality of cavities (7) are formed in the rod frames (1), the cavities (7) are communicated with the corresponding placing grooves (4), each cavity (7) is internally and fixedly provided with a vibrator (8), the vibrator (8) is fixedly provided with a contact plate (10) through a spring (9), and the contact plate (10) is abutted against the corresponding lower die (3), one of them fixed mounting has servo motor (12) on pole frame (1), and has seted up mounting hole (13) on this pole frame (1), and one of them pivot passes mounting hole (13) and fixed mounting is served at the drive of servo motor (12), install in mounting hole (13) and this pivot matched with support bearing (14), should install helical gear (16), two through one-way bearing two (15) in the pivot install supporting seat (18) through elevation structure between pole frame (1), and install bearing structure between pole frame (1) and supporting seat (18), the last fixed surface of supporting seat (18) installs annular helical gear (17) with helical gear (16) engaged with.

2. The resin tooth injection mold material returning device according to claim 1, wherein the limiting structure is composed of a plurality of limiting grooves, a plurality of rubber blocks (6) and a plurality of limiting blocks (5), the inner wall of each placing groove (4) is provided with a plurality of limiting grooves, the top wall of each limiting groove is fixedly adhered with one rubber block (6), and the outer wall of each lower mold (3) is fixedly provided with a plurality of limiting blocks (5) matched with the limiting grooves.

3. The resin tooth injection mold material returning device according to claim 2, wherein a plurality of positioning rods (11) are fixedly mounted on each contact plate (10), and the length of each positioning rod (11) is greater than that of each limiting groove.

4. The resin tooth injection mold material returning device according to claim 1, wherein the lifting structure is composed of a supporting plate (21), a cylinder (22) and an expansion link (23), a supporting plate (21) is fixedly installed between two rod frames (1), a cylinder (22) is fixedly installed on the upper surface of the supporting plate (21), an expansion link (23) is installed on the cylinder (22), and the upper end of the expansion link (23) is rotatably connected with the supporting seat (18).

5. The resin tooth injection mold material returning device according to claim 1, wherein the supporting structure is composed of a plurality of first supporting blocks (19) and a plurality of second supporting blocks (20), the plurality of first supporting blocks (19) are fixedly installed on the lower surface of the supporting base (18), two second supporting blocks (20) matched with the first supporting blocks (19) are fixedly installed on the two rod frames (1), the shortest straight-line distance between the two corresponding supporting blocks (20) is larger than the thickness of the first supporting blocks (19), and the shortest straight-line distance between the circular plate (2) and the second supporting blocks (20) is larger than the diameter of the circular plate (2).