CN212795736U - A mould for moulding plastics waterproof electric toothbrush shell - Google Patents

Abstract

The utility model discloses a mould for moulding plastics waterproof electric toothbrush shell, including panel, mouth of a river board, A board, slide seat, B board, thimble panel, thimble bottom plate, square bar and bottom plate, panel mounting is on the mouth of a river board, the A board is installed in the opposite side, the B board is located A board below, and the B board up end has seted up the slide groove, the slide seat is installed at the slide inslot, the square bar is provided with two, two the upper and lower both ends of square bar form a both ends with B board and bottom plate fixed connection respectively and have the inside hollow cavity of opening, thimble panel and thimble bottom plate set up in this cavity, be provided with a plurality of thimbles on the thimble bottom plate, it is a plurality of the thimble is contacted with the slide seat after upwards running through thimble panel and B board in proper order from bottom to top and is connected. The utility model relates to a rationally, simple structure, waterproof electric toothbrush shell is good with linking nature of rubber coating department, the effectual quality that improves injection moulding product.

Description

A mould for moulding plastics waterproof electric toothbrush shell

Technical Field

The utility model relates to the technical field of mold, specifically a mould for moulding plastics waterproof electric toothbrush shell.

Background

The existing toothbrushes on the market are divided into manual toothbrushes and electric toothbrushes which have defects, the manual toothbrushes are low in price, and dental plaque is difficult to completely remove due to different tooth brushing habits of people; the electric toothbrush can effectively remove dental plaque, but has a poor water-proof effect. In order to enhance the waterproof performance of the electric toothbrush, a layer of soft rubber is often required to be coated on the functional keys of the waterproof electric toothbrush shell, and the general process is called secondary forming, namely, the waterproof electric toothbrush shell is firstly injected and molded through an injection molding process, and then the waterproof electric toothbrush shell is transferred to a rubber coating station for rubber coating.

In the production field of injection molds, the molds are particularly important in the injection molding process, and even if the processes are the same, the defective rate and the like of final products are different due to different parameters such as the accuracy and the like of the molds, so that the injection molding industry pays attention to the molds. The existing mould for encapsulating the shell of the waterproof electric toothbrush is complex in structure, so that the connection between the shell of the waterproof electric toothbrush and the encapsulated part is poor, and the quality of an injection molding product is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould for moulding plastics waterproof electric toothbrush shell possesses reasonable in design, simple structure, and waterproof electric toothbrush shell is good with the linkage of rubber coating department, and the problem that above-mentioned technical background proposed has been solved to the effectual advantage that improves injection moulding product's quality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mould for moulding plastics waterproof electric toothbrush shell, includes panel, mouth of a river board, A board, capable position seat, B board, thimble panel, thimble bottom plate, square iron and bottom plate, the panel mounting is on the mouth of a river board, the A board is installed in the opposite side, the B board is located A board below, and the B board up end has seted up the capable position groove, the capable position seat is installed at the capable position inslot, the square iron is provided with two, two the upper and lower both ends of square iron form a both ends with B board and bottom plate fixed connection respectively and have the inside hollow cavity of opening, thimble panel and thimble bottom plate set up in this cavity, be provided with a plurality of thimbles on the thimble bottom plate, it is a plurality of the thimble upwards runs through behind thimble panel and the B board in proper order and the line position seat contact is connected.

Preferably, guide pillars are fixedly mounted at four corners of the bottom of the panel, and one end, far away from the panel, of each guide pillar sequentially penetrates through the water gap plate, the plate A and the plate B from top to bottom and then is connected with the square iron.

Preferably, the slide seat comprises a slide seat main body, and an oil cylinder and a slide which are arranged at two ends of the slide seat main body, and an output end of the oil cylinder penetrates through the slide seat main body and then is fixedly connected with the slide.

Preferably, a slide insert is arranged above the slide on the plate A, and the slide insert is respectively matched with the plate A, the plate B and the slide to form two injection molding cavities which are symmetrically distributed in the mold.

Preferably, the sprue bushing is arranged on the water gap plate, one end of the sprue bushing penetrates through the panel and extends to the outer side of the panel, and the other end of the sprue bushing is communicated with the injection molding cavity through the water gap flow channel.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a pair of a mould for moulding plastics waterproof electric toothbrush shell, this mould simple structure, and reasonable design, through setting up the line seat, this line seat is including line seat main part, hydro-cylinder and line position, wherein go position and A board, the line position mold insert on B board and the A board forms two die cavities of moulding plastics, two die cavities of moulding plastics are in the mould symmetric distribution, can give two waterproof electric toothbrush shell rubber coatings simultaneously, the mould high-usage, the line position is by oil cylinder drive, when giving waterproof electric toothbrush shell rubber coating, its linkage is good, the production efficiency of toothbrush has been improved by a wide margin, production cycle has been shortened.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a structural diagram of the slide seat of the present invention.

The reference numerals and names in the figures are as follows:

100. a panel; 101. a water gap plate; 102. a, a plate; 103. a slide seat; 1031. a slide seat main body; 1032. an oil cylinder; 1033. a row bit; 104. b, plate; 105. a thimble panel; 106. a thimble base plate; 107. square iron; 108. a base plate; 109. a slide groove; 1010. A squirt nozzle; 1011. a water gap flow channel; 1012. a thimble; 1013. a slide insert; 1014. and (6) a guide pillar.

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.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a mould for injecting waterproof electric toothbrush shell is composed of a panel 100, a water gap plate 101, an A plate 102, a row position seat 103, a B plate 104, an ejector pin panel 105, an ejector pin bottom plate 106, a square iron 107 and a bottom plate 108, and is simple in structure and reasonable in design, wherein the panel 100 is installed on the water gap plate 101, the A plate 102 is installed on the other side, the B plate 104 is positioned below the A plate 102, a row position groove 109 is formed in the upper end face of the B plate 104, the row position seat 103 is installed in the row position groove 109, the row position seat 103 comprises a row position seat main body 1031, oil cylinders 1032 and row positions 1033 which are arranged at two ends of the row position seat main body 1031, the output ends of the oil cylinders 1032 fixedly connect with the row positions 1033 after penetrating through the row position seat main body 1031, a row position insert 1013 is arranged above the row positions 1033 on the A plate 102, and two injection molding cavities are respectively formed by matching with the A plate 102, the B plate 104 and the row positions 1033, the two injection molding cavities are symmetrically distributed in the mold, two waterproof electric toothbrush shells can be encapsulated at the same time, the mold utilization rate is high, the production efficiency of the toothbrush is greatly improved, the production period is shortened, the number of the square iron 107 is two, the upper end and the lower end of the two square iron 107 are fixedly connected with the B plate 104 and the bottom plate 108 respectively to form a cavity with openings at two ends, the ejector pin panel 105 and the ejector pin bottom plate 106 are arranged in the cavity, the ejector pin bottom plate 106 is provided with a plurality of ejector pins 1012, and the plurality of ejector pins 1012 sequentially penetrate through the ejector pin panel 105 and the B plate 104 from bottom to top and then are in contact connection with the slide seat 103.

Specifically, guide posts 1014 are fixedly mounted at four corners of the bottom of the panel 100, and one end of each guide post 1014, which is far away from the panel 100, sequentially penetrates through the water gap plate 101, the plate a 102 and the plate B104 from top to bottom and is connected with the square iron 107.

Specifically, the sprue bushing 1010 is disposed on the nozzle plate 101, one end of the sprue bushing 1010 penetrates through the panel 100 and extends to the outer side of the panel 100, and the other end of the sprue bushing 1010 is communicated with the injection molding cavity through the nozzle runner 1011.

When the mould in the embodiment is adopted to mould the soft glue on the shell of the waterproof electric toothbrush, the concrete steps are as follows:

s1, filling a mold, and filling the mold into an injection molding machine;

s2, installing a shell, opening the water gap plate 101 by 10mm, moving the A plate 102 and the B plate 104 upwards by 25mm away from the row 1033, ejecting the row 1033 by the oil cylinder 1032 by 30mm, ejecting the row seat 103 by the ejector pin 1012 on the ejector pin bottom plate 106 by 30mm, and finally sleeving the shell on the two row 1033;

s3, closing the mold, and resetting the nozzle plate 101, the a plate 102, the B plate 104, the slide 1033, and the ejector pin base plate 106 to form an injection mold cavity by the a plate 102, the B plate 104, the slide 1033, and the slide insert 1013;

s4, preheating, namely heating the water gap plate 101 to 70-90 ℃;

s5, injection molding soft rubber, namely heating the TPE rubber material to 120 ℃, so that the liquid TPE rubber material is injected into an injection molding cavity from a sprue 1010 through a water gap runner 1011, and forming the transparent waterproof soft rubber on the shell;

and S6, demolding, namely opening the water gap plate 101 by 10mm, moving the A plate 102 upwards by 130mm, moving the B plate away from the row position 1033 by 25mm, ejecting the row position seat 103 by 30mm through the ejector pins 1012 on the ejector pin bottom plate 106, and taking out a finished product.

By adopting the mould processing, the water gap plate 101 is heated to 70-90 ℃ and then the TPE rubber material is injected, so that the phenomenon that the TPE rubber material cracks due to expansion with heat and contraction with cold and the quality of an injection product is influenced can be effectively avoided, the injection-molded TPE rubber material enters the injection-molded cavity from the sprue bushing 1010 through the water gap runner 1011 and is integrally formed with the waterproof electric toothbrush shell in the injection-molded cavity, the waterproof electric toothbrush shell is good in connection with the rubber coating, and the quality of the injection product is effectively improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. A mould for moulding plastics waterproof electric toothbrush shell which characterized in that: the novel water gap plate comprises a panel (100), a water gap plate (101), an A plate (102), a row seat (103), a B plate (104), an ejector pin plate (105), an ejector pin base plate (106), square iron (107) and a base plate (108), wherein the panel (100) is installed on the water gap plate (101), the A plate (102) is installed on the other side, the B plate (104) is located below the A plate (102), a row seat groove (109) is formed in the upper end face of the B plate (104), the row seat (103) is installed in the row seat groove (109), the square iron (107) is provided with two square iron bodies, the upper end and the lower end of the square iron (107) are fixedly connected with the B plate (104) and the base plate (108) respectively to form a cavity with openings at two ends and hollow inside, the ejector pin plate (105) and the ejector pin base plate (106) are arranged in the cavity, a plurality of ejector pins (1012) are arranged on the ejector pin base plate (106), and the plurality of ejector pins (1012) sequentially penetrate through the ejector pin plate (105), the B plate (104) The seat (103) is connected in a contact way.

2. A mold for injection molding a water resistant electric toothbrush housing according to claim 1, wherein: guide posts (1014) are fixedly mounted at four corners of the bottom of the panel (100), and one end, far away from the panel (100), of each guide post (1014) sequentially penetrates through the water gap plate (101), the plate A (102) and the plate B (104) from top to bottom and is connected with the square iron (107).

3. A mold for injection molding a water resistant electric toothbrush housing according to claim 1, wherein: the line seat (103) comprises a line seat main body (1031), and an oil cylinder (1032) and a line seat (1033) which are arranged at two ends of the line seat main body (1031), wherein an output end of the oil cylinder (1032) penetrates through the line seat main body (1031) and then is fixedly connected with the line seat (1033).

4. A mold for injection molding a water resistant electric toothbrush housing according to claim 1, wherein: a slide insert (1013) is arranged above the slide (1033) on the plate A (102), and the slide insert (1013) is respectively matched with the plate A (102), the plate B (104) and the slide (1033) to form two injection molding cavities which are symmetrically distributed in the mold.

5. A mold for injection molding a water resistant electric toothbrush housing according to claim 1, wherein: the sprue bushing is characterized in that a sprue bushing (1010) is arranged on the water gap plate (101), one end of the sprue bushing (1010) penetrates through the panel (100) and extends to the outer side of the panel (100), and the other end of the sprue bushing is communicated with an injection molding cavity through a water gap flow passage (1011).

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