CN216465910U

CN216465910U - Electric toothbrush shell injection mold with built-in novel core-pulling mechanism

Info

Publication number: CN216465910U
Application number: CN202123145584.6U
Authority: CN
Inventors: 周玉聪
Original assignee: Shenzhen Lianxinying Technology Co ltd
Current assignee: Shenzhen Lianxinying Technology Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-10
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses an electric toothbrush shell injection mold of built-in new-type mechanism of loosing core, including lower mould and last mould, be provided with elevating system between the both sides of lower mould and the both sides of last mould, and the bottom intermediate position of going up the mould and the top intermediate position of lower mould all open the die cavity, open corner in top of going up the mould has the mounting groove, and the inner wall fixedly connected with of mounting groove just reverses motor, the output shaft fixedly connected with gear of just reversing motor, the intermediate position of die cavity is pegged graft and is had the core, and one side fixedly connected with L template of core, and the tooth's socket that has the equidistance to distribute is opened to the top inner wall of L template. The utility model discloses utilize positive and negative motor to drive the gear and rotate, drive L template and core and reset for whole electric toothbrush shell injection mold embeds there is the mechanism of loosing core, can make the gib block slide in the guide rail all the time, stability can when keeping L template and core to remove.

Description

Electric toothbrush shell injection mold with built-in novel core-pulling mechanism

Technical Field

The utility model relates to an electric toothbrush technical field especially relates to an electric toothbrush shell injection mold of built-in new-type mechanism of loosing core.

Background

The electric toothbrush is a toothbrush invented by Philippe-Guy Woog, the brush head generates high-frequency vibration through the quick rotation or vibration of the motor core, toothpaste is instantly decomposed into fine foam to deeply clean slits between teeth, and meanwhile, the vibration of the bristles can promote the blood circulation in the oral cavity and has a massage effect on gum tissues. In principle, electric toothbrushes have two main categories: rotation and vibration.

At present, when the shell of the electric toothbrush is produced, the shell is generally molded through an injection mold, and a built-in core rod needs to be drawn out during molding, but the existing drawing mode is not easy to operate, so that the injection mold of the shell of the electric toothbrush with the built-in novel core-drawing mechanism is needed to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an electric toothbrush shell injection mold with a built-in novel core-pulling mechanism.

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

the utility model provides a built-in new-type electric toothbrush shell injection mold who looses core mechanism, includes the lower mould and goes up the mould, be provided with elevating system between the both sides of lower mould and the both sides of last mould, and the bottom intermediate position of going up the mould and the top intermediate position of lower mould all open the die cavity, a corner in top of going up the mould is opened there is the mounting groove, and the inner wall fixedly connected with of mounting groove just reverse motor, the output shaft fixedly connected with gear of just reverse motor, the intermediate position of die cavity is pegged graft and is had the core, and one side fixedly connected with L template of core, and the tooth's socket that has the equidistance to distribute is opened to the top inner wall of L template, and the inner wall of tooth's socket meshes with the outer wall of gear mutually.

Preferably, the outer wall fixedly connected with guide rail of one side of going up the mould, and one side fixedly connected with connecting rod of L template, one side fixedly connected with of connecting rod pegs graft at the gib block of guide rail inner wall, and the cross section of gib block and the cross section of guide rail all are the T type.

Preferably, the top of the die cavity is fixedly connected with an injection molding pipe extending out of the upper die, the top of the L-shaped plate is provided with a transverse groove, and the position of the transverse groove corresponds to the position of the injection molding pipe.

Preferably, the bottom four corners of the lower die are fixedly connected with stand columns, and the bottom of each stand column is fixedly connected with a bottom plate.

Preferably, elevating system includes the electric putter of fixedly connected with bottom plate top both sides, and goes up the equal fixedly connected with backup pad in both sides of mould, the bottom of backup pad and electric putter's piston end fixed connection.

Preferably, the top four corners of lower mould all opens there is spacing hole, and goes up the equal fixedly connected with in spacing downthehole spacing post of grafting in bottom four corners of mould.

Preferably, a movable groove is formed in one side of the top of the bottom plate, and a telescopic rod which is inserted into the movable groove is fixedly connected to the bottom of the connecting rod.

The utility model has the advantages that:

1. through setting up at last mould top and positive and negative motor and core, when carrying out injection moulding to electric toothbrush shell, electric putter in the accessible elevating system reduces the height of going up the mould, make and go up mould and lower mould amalgamation, utilize positive and negative motor drive gear to rotate, the position of L template and core is adjusted to the meshing effect through gear and tooth's socket, make the core enter into the inside of die cavity, pour into thick liquids into the inside of die cavity through the pipe of moulding plastics and carry out electric toothbrush shell's shaping operation, treat that the shaping is accomplished the back, utilize elevating system to drive and go up mould and lower mould and break away from, and utilize positive and negative motor to drive gear and rotate, drive L template and core and reset, make whole electric toothbrush shell injection mold embed and have the mechanism of loosing core, and convenient for operation.

2. Through setting up connecting rod and the gib block in the guide rail of last mould one side and L template one side, when L template and core removed, can make the gib block slide in the guide rail all the time, stability can when keeping L template and core to remove.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of an injection mold for an electric toothbrush housing with a built-in novel core-pulling mechanism according to embodiment 1;

FIG. 2 is a schematic diagram of a support plate and a guide rail structure of an injection mold of an electric toothbrush housing with a built-in novel core-pulling mechanism according to embodiment 1;

fig. 3 is a schematic structural view of a lower die and a limiting hole of an injection mold of an electric toothbrush housing with a built-in novel core-pulling mechanism provided in embodiment 1;

fig. 4 is a schematic structural view of a telescopic rod and a movable groove of an injection mold for an electric toothbrush housing with a built-in novel core-pulling mechanism provided in embodiment 2.

In the figure: 1. a base plate; 2. an electric push rod; 3. a core body; 4. an L-shaped plate; 5. a lower die; 6. a connecting rod; 7. a guide strip; 8. a transverse groove; 9. a tooth socket; 10. a gear; 11. an upper die; 12. injection molding a tube; 13. a mold cavity; 14. a limiting column; 15. a support plate; 16. a guide rail; 17. a positive and negative rotation motor; 18. a limiting hole; 19. a telescopic rod; 20. a movable groove.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, an electric toothbrush shell injection mold with a built-in novel core-pulling mechanism comprises a lower mold 5 and an upper mold 11, wherein a lifting mechanism is arranged between two sides of the lower mold 5 and two sides of the upper mold 11, a mold cavity 13 is arranged at the middle position of the bottom of the upper mold 11 and the middle position of the top of the lower mold 5, a mounting groove is arranged at one corner of the top of the upper mold 11, the inner wall of the mounting groove is connected with a forward and reverse motor 17 through a bolt, an output shaft of the forward and reverse motor 17 is connected with a gear 10 through a bolt, a core body 3 is inserted into the middle position of the mold cavity 13, one side of the core body 3 is connected with an L-shaped plate 4 through a bolt, tooth grooves 9 distributed equidistantly are formed in the inner wall of the top of the L-shaped plate 4, and the inner wall of the tooth grooves 9 is meshed with the outer wall of the gear 10.

Further, the outer wall of one side of the upper die 11 is welded with a guide rail 16, one side of the L-shaped plate 4 is welded with a connecting rod 6, one side of the connecting rod 6 is welded with a guide strip 7 inserted into the inner wall of the guide rail 16, and the cross section of the guide strip 7 and the cross section of the guide rail 16 are both in a T shape.

Furthermore, an injection molding pipe 12 extending out of the upper mold 11 is welded at the top of the mold cavity 13, a transverse groove 8 is formed at the top of the L-shaped plate 4, and the position of the transverse groove 8 corresponds to the position of the injection molding pipe 12.

Furthermore, four corners of the bottom of the lower die 5 are connected with columns through bolts, and the bottom of each column is connected with the bottom plate 1 through bolts.

Further, elevating system includes that there is electric putter 2 of 1 top both sides of bottom plate through bolted connection, and goes up the both sides of mould 11 and all have backup pad 15 through bolted connection, and bolted connection is passed through with electric putter 2's piston end in the bottom of backup pad 15.

Furthermore, the four corners of the top of the lower die 5 are all provided with limiting holes 18, and the four corners of the bottom of the upper die 11 are all connected with limiting columns 14 inserted in the limiting holes 18 through bolts.

The working principle is as follows: when the shell of the electric toothbrush is injection molded, the height of the upper die 11 can be reduced through the electric push rod 2 in the lifting mechanism, so that the upper die 5 and the lower die 11 are spliced, the gear 10 is driven to rotate by the positive and negative rotating motor 17, the positions of the L-shaped plate 4 and the core body 3 are adjusted through the meshing action of the gear 10 and the tooth grooves 9, so that the core body 3 enters the inner part of the die cavity 13, slurry is injected into the cavity 13 through the injection pipe 12 to carry out the molding operation of the shell of the electric toothbrush, after the molding is finished, the lifting mechanism is utilized to drive the upper die 11 to be separated from the lower die 5, and a positive and negative rotation motor 17 is used for driving the gear 10 to rotate, the L-shaped plate 4 and the core body 3 are driven to reset, so that the core-pulling mechanism is arranged in the whole injection mold of the electric toothbrush shell, when the L-shaped plate 4 and the core body 3 move, the guide strip 7 can slide in the guide rail 16 all the time, and the stability of the L-shaped plate 4 and the core body 3 during movement is kept.

Example 2

Referring to fig. 4, in the injection mold of the housing of the electric toothbrush with the built-in new core-pulling mechanism, compared with embodiment 1, in this embodiment, a movable groove 20 is formed on one side of the top of the bottom plate 1, and a telescopic rod 19 inserted into the movable groove 20 is welded at the bottom of the connecting rod 6.

The working principle is as follows: when the core body 3 moves, the telescopic rod 19 slides in the movable groove 20, and the stability of the core body 3 is fully maintained by the action of the guide rail 16 and the guide strip 7.

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. An electric toothbrush shell injection mold with a built-in novel core-pulling mechanism comprises a lower mold (5) and an upper mold (11), it is characterized in that a lifting mechanism is arranged between the two sides of the lower die (5) and the two sides of the upper die (11), a die cavity (13) is arranged at the middle position of the bottom of the upper die (11) and the middle position of the top of the lower die (5), a mounting groove is arranged at one corner of the top of the upper die (11), a positive and negative rotation motor (17) is fixedly connected with the inner wall of the mounting groove, a gear (10) is fixedly connected with an output shaft of the positive and negative rotation motor (17), a core body (3) is inserted in the middle position of the die cavity (13), and one side fixedly connected with L template (4) of core (3), the top inner wall of L template (4) is opened has tooth's socket (9) of equidistance distribution, and the inner wall of tooth's socket (9) meshes with the outer wall of gear (10) mutually.

2. The injection mold for the shell of the electric toothbrush with the built-in novel core-pulling mechanism is characterized in that a guide rail (16) is fixedly connected to the outer wall of one side of the upper mold (11), a connecting rod (6) is fixedly connected to one side of the L-shaped plate (4), a guide strip (7) inserted into the inner wall of the guide rail (16) is fixedly connected to one side of the connecting rod (6), and the cross section of the guide strip (7) and the cross section of the guide rail (16) are both T-shaped.

3. The injection mold for the electric toothbrush shell with the built-in novel core pulling mechanism is characterized in that an injection molding pipe (12) extending out of an upper mold (11) is fixedly connected to the top of the mold cavity (13), a transverse groove (8) is formed in the top of the L-shaped plate (4), and the position of the transverse groove (8) corresponds to the position of the injection molding pipe (12).

4. The injection mold for the electric toothbrush shell with the built-in novel core-pulling mechanism is characterized in that four corners of the bottom of the lower mold (5) are fixedly connected with stand columns, and the bottom of each stand column is fixedly connected with a bottom plate (1).

5. The injection mold for the electric toothbrush shell with the built-in novel core pulling mechanism is characterized in that the lifting mechanism comprises electric push rods (2) fixedly connected with two sides of the top of the bottom plate (1), supporting plates (15) are fixedly connected with two sides of the upper mold (11), and the bottoms of the supporting plates (15) are fixedly connected with piston ends of the electric push rods (2).

6. The injection mold for the electric toothbrush shell with the built-in novel core pulling mechanism as claimed in any one of claims 1 to 5, wherein four corners of the top of the lower mold (5) are all provided with limiting holes (18), and four corners of the bottom of the upper mold (11) are all fixedly connected with limiting columns (14) inserted in the limiting holes (18).

7. The injection mold for the outer shell of the electric toothbrush with the built-in novel core-pulling mechanism is characterized in that a movable groove (20) is formed in one side of the top of the bottom plate (1), and a telescopic rod (19) inserted in the movable groove (20) is fixedly connected to the bottom of the connecting rod (6).