CN220946415U

CN220946415U - Rolling brush cavity rubber coating die

Info

Publication number: CN220946415U
Application number: CN202322551293.XU
Authority: CN
Inventors: 封亚青
Original assignee: Suzhou Meisi Electronic Technology Co ltd
Current assignee: Suzhou Meisi Electronic Technology Co ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-05-14
Anticipated expiration: 2033-09-20

Abstract

The utility model relates to a rolling brush cavity rubber coating die which comprises an upper fixing plate, a lower fixing plate, an upper die plate and a lower die plate, wherein an upper die core is embedded at the lower end of the upper die plate, a lower die core and a middle die core are embedded at the upper end of the lower die plate, and the upper die core, the middle die core and the lower die core jointly form a die cavity; the upper die core is embedded with an insert, and the lower end of the insert is embedded into the cavity and forms a first flow passage with the lower die core; the insert is provided with a vertical second flow passage, the lower end of the second flow passage is connected with the first flow passage, and the upper end of the second flow passage is connected with the needle valve. Through the middle part that sets up into gluey point in the rubber coating department, the effectual space that has utilized reduces the mould volume for the mould of same specification can once produce two products, very big improvement production efficiency.

Description

Rolling brush cavity rubber coating die

Technical Field

The utility model relates to the technical field of encapsulation molds, in particular to a rolling brush cavity encapsulation mold.

Background

The "encapsulation" is actually a secondary molding, and the product generally includes a main body (hard rubber) portion and an outer (soft rubber) portion, and the outer (soft rubber) mold is designed to take the hard rubber finished product as a reference, and is molded again, so that the secondary soft rubber is wrapped together.

The round brush of robot of sweeping floor needs to be wrapped up by the shell, and the connection of shell and major structure is swing joint to guarantee the effectual laminating ground of round brush. There is the connecting wire between round brush and the main part, because of the continuous activity between main part and the shell, makes the connecting wire wearing and tearing easily, consequently, need use soft material parcel, nevertheless need guarantee simultaneously to be dragged at will, just need connect soft cavity between round brush shell and the main part, need do external encapsulation processing to round brush shell promptly. The rolling brush shell is complex in structure and large in volume, in the design of the encapsulation mould, the traditional mode of edge glue feeding at the encapsulation position can enable the volume of the encapsulation mould to be large, and the moulds used on encapsulation equipment with the same specification can only encapsulate one product at a time, so that the production efficiency is low; if a large-size mold is designed, the cost is high, and a large-size rubber coating and injecting device is needed, so that the cost is further increased.

Disclosure of utility model

The utility model aims at: the roller brush cavity encapsulation mould is provided to solve the problem of high cost and the like of the roller brush encapsulation mould in the prior art.

The technical scheme of the utility model is as follows: the rolling brush cavity rubber coating die comprises an upper fixing plate, a lower fixing plate, an upper die plate and a lower die plate, wherein an upper die core is embedded at the lower end of the upper die plate, a lower die core and a middle die core are embedded at the upper end of the lower die plate, and the upper die core, the middle die core and the lower die core jointly form a die cavity;

The upper die core is embedded with an insert, and the lower end of the insert is embedded into the cavity and forms a first flow passage with the lower die core; the insert is provided with a vertical second flow passage, the lower end of the second flow passage is connected with the first flow passage, and the upper end of the second flow passage is connected with the needle valve.

Preferably, two handles are symmetrically arranged on two sides of the upper end of the middle die core; and the two sides of the upper die core are symmetrically provided with abdication grooves connected with the handle.

Preferably, the lower die core is provided with a diversion trench, the diversion trench is provided with a boss, and when the die is assembled, the lower end surface of the insert completely covers the diversion trench and is in abutting connection with the upper end surface of the boss.

Preferably, the first flow passage is formed by a guide groove, a boss and a gap between the inserts.

Preferably, the upper end of the middle die core is provided with a plurality of first positioning blocks, and the lower end of the upper die core is provided with a plurality of first positioning grooves connected with the first positioning blocks;

The lower end of the middle die core is provided with a plurality of second positioning blocks, and the upper end of the lower die core is provided with a plurality of second positioning grooves matched with the second positioning blocks.

Preferably, the upper template is fixedly connected with a plurality of clamping grooves, and the lower template is fixedly connected with a plurality of clamping blocks corresponding to the clamping grooves.

Preferably, a plurality of electric heating devices are arranged on the upper template and the lower template, and the electric heating devices respectively penetrate through the upper template and the lower template.

Preferably, a plurality of supporting blocks are arranged on the middle die core.

Compared with the prior art, the utility model has the advantages that:

(1) The glue inlet point is arranged at the middle part of the glue coating part, so that the space is effectively utilized, the size of the die is reduced, two products can be produced by the die with the same specification at one time, and the production efficiency is greatly improved;

(2) The upper and lower templates are provided with clamping grooves and clamping blocks which are matched with each other; the upper, middle and lower die cores are respectively provided with a positioning groove and a positioning block which are matched with each other, and the alignment of the die is conducted, so that the die assembly precision is ensured;

(3) The handle on the middle template can be used for taking out the middle die core through the handle when placing or taking out the product, and meanwhile, the demolding of the product and the lower die core is completed.

Drawings

The utility model is further described below with reference to the accompanying drawings and examples:

FIG. 1 is a schematic diagram of a roll brush cavity encapsulation mold according to the present utility model;

FIG. 2 is a schematic diagram of an explosion structure of a roll brush cavity encapsulation mold according to the utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;

FIG. 4 is a schematic diagram of the structure of the upper mold insert according to the present utility model;

Wherein: the mold comprises an upper mold plate 1, a clamping groove 11, a lower mold plate 2, a clamping block 21, an upper mold core 3, an insert 31, a second flow channel 311, a yielding groove 32, a first positioning groove 33, a middle mold core 4, a handle 41, a first positioning block 42, a second positioning block 43, a supporting block 44, a lower mold core 5, a flow guide groove 51, a boss 52, a first flow channel 53, a second positioning groove 54 and a mold cavity 6.

Detailed Description

The following describes the present utility model in further detail with reference to specific examples:

As shown in fig. 1-4, a rolling brush cavity rubber coating die comprises an upper fixing plate, a lower fixing plate, an upper die plate 1 and a lower die plate 2, wherein an upper die core 3 is embedded at the lower end of the upper die plate 1, a lower die core 5 and a middle die core 4 are embedded at the upper end of the lower die plate 2, and the upper die core 3, the middle die core 4 and the lower die core 5 jointly form a die cavity 6.

The upper die plate 1 is fixedly connected with a plurality of clamping grooves 11, the lower die plate 2 is fixedly connected with a plurality of clamping blocks 21 corresponding to the clamping grooves 11, and when the die is closed, the clamping grooves 11 are matched and connected with the clamping blocks 21, so that the die closing precision is improved. A plurality of electric heating devices are arranged on the upper template 1 and the lower template 2, and penetrate through the upper template 1 and the lower template 2 respectively, so that the injected rubber coating material is heated and vulcanized by heating the upper template 1 and the lower template 2; the upper end of the upper template 1 and the lower end of the lower template 2 are also provided with heat insulation boards.

An insert 31 is embedded on the upper die core 3, and the lower end of the insert 31 is embedded into the cavity 6; the lower die core 5 is provided with a diversion trench 51, the diversion trench 51 is provided with a boss 52, when the die is closed, the lower end surface of the insert 31 completely covers the diversion trench 51, and the diversion trench is in abutting connection with the upper end surface of the boss 52 to form a first runner 53, namely the first runner 53 is formed by the diversion trench 51, the boss 52 and a gap between the insert 31. The insert 31 is provided with a vertical second flow passage 311, and the lower end of the second flow passage 311 is connected to the first flow passage 53, and the upper end is connected to the needle valve.

Two handles 41 are symmetrically arranged on two sides of the upper end of the middle die core 4; the upper die core 3 is symmetrically provided with a yielding groove 32 connected with a handle 41 at both sides. The upper end of the middle die core 4 is provided with a plurality of first positioning blocks 42, and the lower end of the upper die core 3 is provided with a plurality of first positioning grooves 33 connected with the first positioning blocks 42; the lower end of the middle die core 4 is provided with a plurality of second positioning blocks 43, and the upper end of the lower die core 5 is provided with a plurality of second positioning grooves 54 matched with the second positioning blocks 43.

In this embodiment, the rolling brush shell to be encapsulated is placed on the middle mold core 4 and is supported and positioned by the supporting block 44; when the mold is closed, the insert 31 is embedded into the cavity 6 and is connected with the abutting boss 52, the clamping block 21 is connected with the clamping groove 11, the first positioning block 42 is connected with the first positioning groove 33, and the second positioning block 43 is connected with the second positioning groove 54; during glue injection, glue material sequentially enters the second flow passage 311 and the first flow passage 53 through a needle valve and then enters the cavity 6; the electric heating device heats the upper die plate 1 and the lower die plate 2, so that the sizing material in the cavity 6 is vulcanized; when the die is opened, the upper die core 3 is opened upwards along with the upper die plate 1, an operator takes out the middle die plate through the handle 41, the rubber-coated product and the lower die plate 2 are demolded while taking out the middle die plate, and the middle die plate takes out the product after taking out.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same according to the content of the present utility model, and are not intended to limit the scope of the present utility model. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments and that the present utility model may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore desired that the present utility model be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims

1. The utility model provides a round brush chamber rubber coating mould which characterized in that: the mold comprises an upper fixing plate, a lower fixing plate, an upper mold plate and a lower mold plate, wherein an upper mold core is embedded at the lower end of the upper mold plate, a lower mold core and a middle mold core are embedded at the upper end of the lower mold plate, and the upper mold core, the middle mold core and the lower mold core jointly form a mold cavity;

2. The roll brush cavity encapsulation mold of claim 1, wherein: two handles are symmetrically arranged on two sides of the upper end of the middle die core; and the two sides of the upper die core are symmetrically provided with abdication grooves connected with the handle.

3. The roll brush cavity encapsulation mold of claim 1, wherein: the die is characterized in that a guide groove is formed in the lower die core, a boss is arranged on the guide groove, and when the die is closed, the lower end face of the insert completely covers the guide groove and is in abutting connection with the upper end face of the boss.

4. A roll brush cavity encapsulation mold according to claim 3, wherein: the first flow passage is formed by a diversion trench, a boss and a gap between the inserts.

5. The roll brush cavity encapsulation mold of claim 1, wherein: the upper end of the middle die core is provided with a plurality of first positioning blocks, and the lower end of the upper die core is provided with a plurality of first positioning grooves connected with the first positioning blocks;

6. The roll brush cavity encapsulation mold of claim 1, wherein: the upper template is fixedly connected with a plurality of clamping grooves, and the lower template is fixedly connected with a plurality of clamping blocks corresponding to the clamping grooves.

7. The roll brush cavity encapsulation mold of claim 1, wherein: and a plurality of electric heating devices are arranged on the upper template and the lower template, and the electric heating devices respectively penetrate through the upper template and the lower template.

8. The roll brush cavity encapsulation mold of claim 1, wherein: the middle die core is provided with a plurality of supporting blocks.