CN217916581U

CN217916581U - Mold for forming heating wire and silica gel plug

Info

Publication number: CN217916581U
Application number: CN202222110450.9U
Authority: CN
Inventors: 曾淑娟
Original assignee: Shenzhen Great Technology Co ltd
Current assignee: Shenzhen Great Technology Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-11-29
Anticipated expiration: 2032-08-11

Abstract

The utility model relates to a technical field that the heater wire was made, concretely relates to be used for fashioned mould of heater wire and silica gel stopper, follow supreme lower bolster, medium plate and the cope match-plate pattern that connects gradually down, be equipped with the recess on the lower bolster, be equipped with the shaping board in the recess, the cover has the heater wire of silica gel stopper to place in the shaping board, be equipped with the spacing groove on the shaping board, the silica gel stopper is located the spacing inslot, the medium plate is located the top of shaping board, be equipped with the material groove on the medium plate, the material groove with the spacing groove corresponds the setting, the medium plate with be equipped with the groove of stepping down that supplies the heater wire to put between the shaping board. The silica gel plug is sleeved at the designated position of the heating wire, then the silica gel plug is installed in the limiting groove of the forming plate, and then the silica gel plug and the silica gel skin of the heating wire are fused in an injection molding hot melting mode, so that the waterproof effect on the heating wire and related assemblies is achieved.

Description

Mold for forming heating wire and silica gel plug

Technical Field

The utility model relates to a technical field that the heater wire was made, concretely relates to be used for fashioned mould of heater wire and silica gel stopper.

Background

The die is various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a molded article, which accomplishes the processing of the shape of the article mainly by the change of the physical state of the molded material.

The heating wire is widely applied and can be connected with hardware in the use process of the heating wire. Generally, waterproof requirements can be met between the heating wire and the hardware, the silica gel plug is generally independently assembled and used in the prior art, the silica gel plug is sleeved between the heating wire and the hardware to achieve a certain water retaining and waterproof effect, and the cost is low.

However, when the requirement for waterproof grade is high, the waterproof effect is not satisfactory, and the final electronic product has the risk of water leakage and short circuit. Therefore, the better scheme at present is to integrally form the silica gel plug and the heating wire, so that a connecting gap does not exist between the silica gel plug and the heating wire, the possibility of water seepage and electric leakage is reduced, and a corresponding manufacturing mold is still lacked at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be arranged in heating wire and fashioned mould of silica gel stopper, solve the problem among the above-mentioned background art.

For realizing above-mentioned purpose, this application provides a be used for fashioned mould of heater wire and silica gel stopper, follow supreme lower bolster, medium plate and the cope match-plate pattern that connects gradually down, be equipped with the recess on the lower bolster, be equipped with the profiled sheeting in the recess, place the cover in the profiled sheeting and have the heater wire of silica gel stopper, be equipped with the spacing groove on the profiled sheeting, the silica gel stopper is located the spacing inslot, the medium plate is located the top of profiled sheeting, be equipped with the material groove on the medium plate, the material groove with the spacing groove corresponds the setting, the medium plate with be equipped with the groove of stepping down that supplies the heater wire to put between the profiled sheeting.

Furthermore, the forming plate comprises a first mounting block and a second mounting block, a first clamping groove is formed in the side wall of the first mounting block, a second clamping groove is formed in the side wall of the second mounting block, and the first mounting block and the second mounting block are attached to enable the first clamping groove and the second clamping groove to be enclosed into the limiting groove.

Further, first draw-in groove includes installation department and shaping portion, the installation department supplies the silica gel stopper joint, the shaping position is located the top of installation department, the shaping portion with the material groove is linked together, the second draw-in groove with first draw-in groove structure is the same.

Furthermore, a limiting hole is formed in the first mounting block, a limiting block is arranged on the second mounting block, and the limiting block is inserted into the limiting hole.

Furthermore, an exhaust passage is arranged on one side of the limiting groove, one end of the exhaust passage is communicated with one side of the forming part, and the other side of the exhaust passage is communicated with the outside air.

Furthermore, a plurality of limiting grooves are arranged in a row on the forming plate, and the arrangement direction of the material grooves is the same as that of the limiting grooves.

Further, the mold comprises at least two forming plates, and a plurality of the forming plates are used alternately.

Furthermore, the lower template, the middle plate and the upper template are respectively provided with corresponding positioning holes, and the positioning holes respectively penetrate through the lower template, the middle plate and the upper template.

The beneficial effects of the utility model reside in that:

1. the silica gel plug is sleeved at the designated position of the heating wire, then the silica gel plug is installed in the limiting groove of the forming plate, and then the silica gel plug and the silica gel skin of the heating wire are fused in an injection molding hot melting mode, so that the waterproof effect on the heating wire and related assemblies is achieved. The mold is simple and easy to operate, and can be operated on duty by workers only through simple training, and the normal function and appearance of the heating wire cannot be influenced. Because the action is gentle when operating this mould and only need pack into the heater wire and take out the product, other with the same operation board of ordinary silica gel product can, need not too much manual labor, accord with the requirement of volume production.

2. When the silica gel plug with the heating wire is installed, the silica gel plug is placed in the first clamping groove of the first installation block, and then the second installation block is installed correspondingly, so that the second clamping groove corresponds to the first clamping groove, and the silica gel plug is installed stably.

3. The first clamping groove comprises an installation part and a forming part, the installation part is used for clamping the silica gel plug, the forming part is located above the installation part, and the forming part is communicated with the material groove. When moulding plastics, the shaping portion can be poured into hot melt silica gel, and hot melt silica gel can carry out effective sealing to the gap department that silica gel stopper and heater wire are connected.

4. One side of the limiting groove is provided with an exhaust channel, one end of the exhaust channel is communicated with one side of the forming part, and the other side of the exhaust channel is communicated with the outside air. Through setting up exhaust passage, can be at the in-process of moulding plastics with the air escape in the shaping portion, avoid making the inside gassing of product of moulding plastics, the effectual waterproof effect who guarantees behind silica gel stopper and the heating wire injection moulding.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of an explosion structure of a mold for forming a heater wire and a silica gel plug according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural view of the silica gel plug in the present embodiment;

FIG. 4 is a schematic view of a silicone plug fitted over a heater wire;

FIG. 5 is a schematic view of the heater wire and the silicone plug after injection molding.

Description of reference numerals:

1. a lower template; 11. a groove; 2. a middle plate; 21. a material groove; 22. a yielding groove; 3. mounting a template; 4. forming a plate; 41. a limiting groove; 42. a first mounting block; 421. a first card slot; 422. a limiting hole; 43. a second mounting block; 431. a second card slot; 44. an installation part; 45. a molding section; 46. an exhaust passage; 5. a heating wire; 6. a silica gel plug; 7. and (7) positioning the holes.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1-5, as the embodiment of the utility model provides a be used for fashioned mould of heater wire 5 and silica gel stopper 6, from supreme lower bolster 1 including connecting gradually down, medium plate 2 and cope match-plate pattern 3, be equipped with recess 11 on the lower bolster 1, be equipped with into shape board 4 in the recess 11, place the heater wire 5 that the cover has silica gel stopper 6 in the shape board 4, be equipped with spacing groove 41 on the shape board 4, silica gel stopper 6 is located spacing groove 41, medium plate 2 is located the top of shape board 4, be equipped with material groove 21 on the medium plate 2, material groove 21 corresponds the setting with spacing groove 41, be equipped with the groove 22 of stepping down that supplies heater wire 5 to put between medium plate 2 and the shape board 4.

The silica gel plug 6 is sleeved at the designated position of the heating wire 5, then the silica gel plug 6 is installed in the limiting groove 41 of the forming plate 4, and then the silica gel skin of the silica gel plug 6 and the silica gel skin of the heating wire 5 are fused in an injection molding hot melting mode, so that the waterproof effect on the heating wire 5 and related assemblies is achieved. The operation of the mold is simple and easy to understand, so that the worker can operate on duty only through simple training, and the normal function and appearance of the heating wire 5 cannot be influenced. Because the action is gentle when operating this mould and only need pack into heater wire 5 and take out the product, other with the same operation board of ordinary silica gel product can, need not too much manual labor, accord with the requirement of volume production.

Specifically, before injection molding of the heating wire 5 and the silica gel plug 6, the heating wire 5 is pre-shaped and positioned, and the specific steps are as follows: the heating wire 5 is a constantan alloy wire conductor wrapped by a silica gel wire skin with the thickness of 0.3mm serving as an insulating layer and a black Teflon lead, and the heating wire 5 is connected with the Teflon lead through a middle connecting terminal. The metal terminal is wrapped and protected by a heat-shrinkable sleeve. The silica gel plug 6 passes through the black Teflon line, passes through the metal terminal sleeved with the heat shrink tube, and is fixed at the specified position required by the heating wire 5. Wherein the silica gel plug 6 can be temporarily fixed at the designated position of the heating wire 5 by means of a jig. After the silica gel plug 6 and the heating wire 5 are pre-shaped, the silica gel plug 6 with the heating wire 5 is placed in a mold, the mold is closed, and then heating secondary forming is carried out. Take out profiled sheeting 4 after the thermoforming, slowly take off the product from profiled sheeting 4, accomplish final product after the manual product deckle edge that gets rid of.

Further, the forming plate 4 comprises a first mounting block 42 and a second mounting block 43, a first clamping groove 421 is formed in the side wall of the first mounting block 42, a second clamping groove 431 is formed in the side wall of the second mounting block 43, and the first mounting block 42 and the second mounting block 43 are attached to each other so that the first clamping groove 421 and the second clamping groove 431 surround the limiting groove 41.

Specifically, the first mounting block 42 is provided with a limiting hole 422, the second mounting block 43 is provided with a limiting block, and the limiting block is inserted into the limiting hole 422, so that the alignment installation of the first mounting block 42 and the second mounting block 43 can be completed. When the silica gel plug 6 with the heating wire 5 is installed, the silica gel plug 6 is placed in the first clamping groove 421 of the first installation block 42, then the second installation block 43 is installed correspondingly, when the limiting block is inserted into the limiting hole 422, the second clamping groove 431 corresponds to the first clamping groove 421, and the silica gel plug 6 can be installed stably. Wherein, in order to guarantee the accurate of location installation, stopper and spacing hole 422 are two sets of at least.

As a variable embodiment, a stopper may be provided on the first mounting block 42, and a stopper hole 422 may be provided on the second mounting block 43.

Specifically, referring to fig. 2, first draw-in groove 421 includes installation department 44 and shaping portion 45, installation department 44 supplies 6 joints of silica gel stopper, shaping portion 45 is located the top of installation department 44, shaping portion 45 is linked together with material groove 21, second draw-in groove 431 is the same with first draw-in groove 421 structure, first draw-in groove 421 and second draw-in groove 431 to the enclosure back, two installation departments 44 and two shaping portions 45 enclose just respectively and synthesize the annular, annular installation department 44 is fixed to 6 joints of silica gel stopper, annular shaping portion 45 supplies heat and melts the glue injection moulding. When moulding plastics, the shaping portion 45 can be filled with hot melt silica gel, and hot melt silica gel can carry out effective sealing to the gap department that silica gel stopper 6 and heater wire 5 are connected. Wherein, correspond in the material groove 21 and be equipped with the sprue, the sprue is accurate counterpoint with shaping portion 45, is convenient for annotate the material in the shaping portion 45. An exhaust passage 46 is provided at one side of the stopper groove 41, and one end of the exhaust passage 46 communicates with one side of the molding portion 45 and the other side communicates with the outside air. Through setting up exhaust passage 46, can avoid making the inside gassing of the product of moulding plastics with the air escape in the shaping portion 45 at the in-process of moulding plastics, the effectual water-proof effects who guarantees behind silica gel stopper 6 and the heating wire 5 injection moulding.

Further, in this embodiment, a plurality of limiting grooves 41 are arranged in a row on the forming plate 4, and the arrangement direction of the material groove 21 is the same as the arrangement direction of the plurality of limiting grooves 41. One side of each limiting groove 41 is provided with an exhaust channel 46, the material groove 21 is provided with a plurality of injection ports, and the injection ports are arranged corresponding to the limiting grooves 41.

Further, the mould includes two at least forming plates 4, and a plurality of forming plates 4 alternate use need not to wait for the installation of silica gel stopper 6, saves the injection moulding time, improves work efficiency.

Furthermore, the lower template 1, the middle plate 2 and the upper template 3 are respectively provided with corresponding positioning holes 7, and the positioning holes 7 respectively penetrate through the lower template 1, the middle plate 2 and the upper template 3. Through the locating hole 7 that sets up and run through the bolt, realize the accurate installation of lower bolster 1, medium plate 2 and cope match-plate pattern 3.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. The utility model provides a be used for fashioned mould of heater wire and silica gel stopper, its characterized in that, from supreme lower bolster (1), medium plate (2) and cope match-plate pattern (3) including connecting gradually down, be equipped with recess (11) on lower bolster (1), be equipped with in recess (11) and become profiled sheeting (4), place in the profiled sheeting (4) and have heater wire (5) of silica gel stopper (6) cover, be equipped with spacing groove (41) on becoming profiled sheeting (4), silica gel stopper (6) are located in spacing groove (41), medium plate (2) are located the top of profiled sheeting (4), be equipped with material groove (21) on medium plate (2), material groove (21) with spacing groove (41) correspond the setting, medium plate (2) with be equipped with between profiled sheeting (4) and supply tank (22) of stepping down that heater wire (5) were put.

2. The mold for molding the heater wire and the silica gel plug according to claim 1, wherein the molding plate (4) comprises a first mounting block (42) and a second mounting block (43), a first clamping groove (421) is formed in a side wall of the first mounting block (42), a second clamping groove (431) is formed in a side wall of the second mounting block (43), and the first mounting block (42) and the second mounting block (43) are attached to each other so that the first clamping groove (421) and the second clamping groove (431) are enclosed into the limiting groove (41).

3. The mold for molding the heating wire and the silicone plug according to claim 2, wherein the first clamping groove (421) comprises an installation part (44) and a molding part (45), the installation part (44) is used for clamping the silicone plug (6), the molding part (45) is located above the installation part (44), the molding part (45) is communicated with the material groove (21), and the second clamping groove (431) has the same structure as the first clamping groove (421).

4. The mold for molding the heater wire and the silica gel plug according to claim 2, wherein a limiting hole (422) is formed in the first mounting block (42), a limiting block is formed in the second mounting block (43), and the limiting block is inserted into the limiting hole (422).

5. The mold for molding a heater wire and a silicone plug according to claim 3, wherein an exhaust passage (46) is provided at one side of the limiting groove (41), and one end of the exhaust passage (46) communicates with one side of the molding portion (45) and the other side communicates with the outside air.

6. The mold for molding the heating wire and the silica gel plug according to any one of claims 1 to 5, wherein a plurality of limiting grooves (41) are arranged in a row on the molding plate (4), and the square arrangement of the material groove (21) is the same as the arrangement direction of the plurality of limiting grooves (41).

7. Mould for moulding of heater wires and silicone plugs according to any of claims 1 to 5, characterised in that it comprises at least two moulding plates (4), a plurality of said moulding plates (4) being used alternately.

8. The mold for molding the heating wire and the silica gel plug according to any one of claims 1 to 5, wherein the lower mold plate (1), the middle plate (2) and the upper mold plate (3) are respectively provided with corresponding positioning holes (7), and the positioning holes (7) respectively penetrate through the lower mold plate (1), the middle plate (2) and the upper mold plate (3).