CN2233682Y

CN2233682Y - Sole moulde

Info

Publication number: CN2233682Y
Application number: CN 95222581
Authority: CN
Inventors: 黄淑卿
Original assignee: FENGTAI MOULD INDUSTRY Co Ltd
Current assignee: FENGTAI MOULD INDUSTRY Co Ltd
Priority date: 1995-08-28
Filing date: 1995-08-28
Publication date: 1996-08-28
Anticipated expiration: 2005-08-28

Abstract

The utility model relates to a sole mould. A bottom mould, two side moulds and a shoe tree are mutually combined together to form cloth space at a concave line position in the bottom mould. The bottom mould and the two side moulds are all embedded with electrothermal tubes for heating up injected raw materials. The center of the relative connivent end sides of the two side moulds are respectively provided with a semicircular material filling trench downwards, in order to form a material shooting port during combining the moulds; a material passing channel extends inwards and breadthwise along the concave parts of the two side moulds and is formed. The tail end of the material passing channel aiming at both sides of the bottom mould is smaller in diameter and is provided with a fish-eye-shaped material filling hole which is enlarged inwards. The material filling hole protrudes upwards and obliquely out of the upper end of the bottom mould and is communicated with the concave line position, so the raw materials can be fully filled in the cloth space through the material passing channel.

Description

Die for shoe-sole

The utility model relates to a kind of die for shoe-sole.

Applicant of the present utility model once proposed a series of relevant " the die modifications structure at the bottom of the moulding two-coloured shoe " case in a few days ago, all at a kind of mfg. moulding die of plastic shoes moulding of PU raw material improvement design in addition, wherein these PU raw materials are different with known general plastic material, because being graininess, known plastic material places the liquid condition that is heated to be fusion in the emission forming machine, and penetrate in the mould that has combined through pressurization, treat foaming cooling and be shaped, its raw material is the liquid of fusion through heating when making, and the mould that supplies to be shaped is cold, the footwear body that manufacturing is produced is general alleged plastic shoes, the speed of make producing is quite fast, and is therefore with low cost and price is more cheap certainly; And the sole made from the PU raw material is generally fine and smooth because of having preferable gas permeability and texture, the vamp that cooperates breathable leather to make again constitutes higher footwear body, though price is higher, but suitable sales rate is also arranged on market, and its manufacture process is also obviously different with general plastic shoes, the PU raw material itself is after liquid and deployed to scale in advance its composition, directly pour on the bed die dimpled grain position with predetermined formation shoe sole print in the mode of artificial cast, last is involutory on bed die downwards, an and order left side, the inside closing of the right mould, must be through one section suitable foamed time, make in this bed die and in the left side of its both sides, the electrothermal tube of being buried underground in the mould of the right, can carry out evenly the raw material of pouring into, heating completely, and foamed finish after, just can back out the next step of mould, raw material is cold and mould is hot in this kind manufacture process, heating process in the reasonable time that raw material must passing through in mould just can foam, therefore speed of production is not got up soon, moreover be directly the material feeding action to be carried out at the dimpled grain position of bed die with artificial because of it, as can't the camera device penetrating for the control of raw material injection rate accurately, cause waste (it is many that the cost of these PU raw materials itself also is higher than general plastic material) so often have raw material to overflow to form the burr have more, or just find to have local emptying aperture after the cooling or the not enough phenomenon of depression produces, more than 2 be urgent problem.

In view of this, main purpose of the present utility model is to provide a kind of die for shoe-sole, and the heating action that it can quicken the PU raw material improves the speed of producing, and can guarantee the quality zero defect of footwear body.

For achieving the above object, the die for shoe-sole that the utility model provides comprises a bed die, and its top offers can be for the predetermined dimpled grain position that forms the sole shape of a footwear body; Two limit moulds, it is in the relative closing of left and right side of bed die, in the shape of this bed die of medial end relative engagement of two limit moulds and the shape that is the indent predetermined arc is set; One last, itself and above-mentioned two limit die sleeves merge mould and close in this bed die top, just can form with the dimpled grain position of this bed die and can wherein all be embedded with the electrothermal tube that can heat for the predetermined cloth material space that forms a sole to the raw material that flows in the cloth material space in the center of this two limits mould and bed die; Wherein:

Dual-side in this bed die middle part is respectively equipped with a charging hole, and its setting is obliquely and connects a runner pipe road and upwards pass on the bed die, and is connected with the dimpled grain position;

Distolateral center in the relative closing of this two limits mould, respectively to the pan feeding ditch that has the semicircular in shape shape, when the involutory matched moulds of two limit moulds, form the mouth that shoots material of toroidal, the longitudinal length of this pan feeding ditch is about 1/2nd of two limit mould height, and then turnover connect one section be horizontally set and along the shape of two limit mould indents extend be surrounded on these bed die two limits when constituting two limit mould closings and have a suitable length walk the hopper road, this end of walking the hopper road communicates in alignment with the charging hole of these bed die both sides and with it;

By above structure, mouthful injection raw material that shoots material in the middle of this two limits mould, raw material is flowed via the hopper road of walking of two limit moulds, two ends, and the charging hole of following by the bed die both sides enters, flow out and riddle in the cloth material space by the circulation pipeline, make the homogeneous heating of raw material, and, improve the speed and the quality of producing as the additional source of preventing insufficient raw material.

Wherein: what the aperture of the charging hole of these bed die both sides was smaller than this two limits mould walks the hopper road, and be provided with and be to the inner fish eyelet that enlarges of bed die, and cooperate the set flat board in this bed die lower end, dull and stereotyped and be subjected to the drive of oil hydraulic cylinder, when the demoulding is carried out in downward action, with produce relative shearing action between this two limits mould, have the preferable removal waste material and the effect of burr for the sole of moulding.

Understand and approval for the relevant personnel can be had further the purpose of this utility model, feature and effect, now lift after a preferred embodiment and conjunction with figs. be illustrated in.

Fig. 1 is the perspective exploded view of the utility model mould.

Fig. 2 is the horizontal combination cross-sectional schematic of the utility model mould.

Fig. 3 is vertical combination cross-sectional schematic of the utility model mould.

Fig. 4 A, 4B are that the bed die position of the utility model mould is analysed and observe and moved schematic diagram.

See also shown in Fig. 1,2, the utility model die for shoe-sole 10 mainly comprises:

One bed die 11, its top offers can be for the predetermined dimpled grain position 111 that forms the sole shape of a footwear body, the bottom is equipped with a flat board 112, this flat board 112 is driven by the oil compression rod 1131 of an oil hydraulic cylinder 113, can in the scheduled event space 21 on the support 20 that bears for mould 10, go to upper and lower the action of about 10mm, bed die 11 centers and be embedded with an electrothermal tube 114, it has the effect (as shown in Figure 4) of heating;

Two

limit moulds

12,13, it is located at the left and right side of bed die 11 and is subjected to the drive of oil hydraulic cylinder 121,131 can be relatively to bed die 11 closings, promptly be provided with unfilled corner 122,132 in the below, inner side edge rear and front end of two limit moulds, 12,13 relative closings, and be provided with outstanding positioning body 22 in pedestal 20 in the front and back of bed die 11, the all relative indent of medial end in two

limit moulds

12,13, and be matched with the footwear shape of this bed die 11 and be concave arc shape, and also be provided with electrothermal tube 123,133 in the center of two

limit moulds

12,13;

One last 14 is a boot-shape shape, is located at the top of bed die 11, and itself and above-mentioned two limit moulds, 12,13 covers merge mould and close in this bed die 11 tops, and can form with the dimpled grain position 111 of this bed die 11 just can be for the predetermined cloth material space 15 that forms a sole;

Of the present utility model being characterised in that:

Dual-side in these bed die 11 middle parts, the position that is provided with that is higher than electrothermal tube 114 in it is respectively equipped with the charging hole 115,116 that an aperture is about the 2mm size, it is poroid that two charging holes 115,116 all are provided with the flake that is to the expansion of bed die 11 inside center, and all be obliquely, extend to bed die 11 centres and be connected to a connecting pipe road 117 and be piercing in bed die 11 upper ends, and be connected with dimpled grain position 111;

In two limit moulds 12, the distolateral center of 13 relative closings, respectively to the pan feeding ditch 124 that has the semicircular in shape shape, 134, and when the involutory matched moulds of two limit moulds, form the aperture be about the 10mm size toroidal shoot material mouthfuls 16, this pan feeding ditch 124,134 longitudinal length is about two limit moulds 12, / 2nd of 13 height, and be a little higher than two limit moulds 12, electrothermal tube 123 in 13,133 the position is set, itself and then turnover connect one section and be horizontally set and extend along the shape edges of two limit mould indents, with at two

limit moulds

12,13 closings are when bed die 11, what formation was surrounded on these bed die 11 2 sides and had a suitable length walks hopper road 125,135, this two walks hopper road 125,135 end is in alignment with the charging hole 115 of these bed die 11 both sides, 116 and communicate with it;

By above structure, see also Fig. 4 A, shown in the 4B, when carrying out material feeding, to make this last 14 involutory on bed die 11 downwards, and two

limit moulds

12,13 respectively by a left side, the right side to interior to bed die 11 closings, involutory finish and constitute the cloth material space 15 of this sole shape after, from this two

limits mould

12,13 pan feeding ditch 124, mouthful 16 injection liquid state that shoot material that 134 ends are formed, cold PU raw material, via pan feeding ditch 124,134 walk hopper road 125 along bed die 11 2 sides, 135 flow progresses, and in it advances process of flowing, all be enclosed within mould 10 inside, comprise two limit moulds 12, electrothermal tube 123 in 13,133 and bed die 11 in the electrothermal tubes 114 heat heating of being sent, raw material is also followed the charging hole 115 by bed die 11 both sides, 116 enter, dimpled grain position 111 through the whole bed die 11 of connecting pipeline 117 circulations, this moment, raw material also was subjected to the heat effect of electrothermal tube 114 equally, that is raw material will riddle in the cloth material space 15, and treat to take out sole 23 with regard to mould-receded behind its foaming and molding;

The effect that the utility model produced has:

The first, before raw material flows into the dimpled grain position 111 of bed die 11, all specially pass through the position that is provided with of electrothermal tube 123,133,114 in the mobile stroke of raw material, can make raw material elder generation's process uniform heating before sending into bed die 11, can save the time of waiting for that raw material is heated, can increase the speed of production, improve production capacity;

The second, raw material is entered the dimpled grain position 111 of bed die 11 by bed die 11 middle part dual-side charging holes 115,116, more can guarantee to flow to uniformly in raw material at one time the forward and backward end at dimpled grain position 111, make it riddle cloth material space 15 fully, can not produce the situation that the defective of local raw material lack of fill easily takes place with artificial cast;

Three, because raw material is to be under the state of involutory matched moulds just by shooting material at whole group mould 10 mouthfuls 16 to inject, so raw material can outwards not overflow bed die 11, can not cause waste material, but the conservation cost;

Four, in charging hole 115,116 setting of bed die 11 both sides is outside greatly little flake poroid, the aperture of its outer end and be smaller than the external diameter of walking hopper road 125,135 of this two

limits mould

12,13 again, when this bed die 11 is moved downward by oil hydraulic cylinder 113 drives of dull and stereotyped 112 belows, shown in Fig. 4 A, 4B, it can produce relative shearing action between two

limit moulds

12,13, the raw material draw cuts of walking in the hopper road 125,135 that are easy to have smaller aperture due are cut off, and make easier the carrying out of action of the demoulding and afterwards taking-up sole 23;

Five, when the raw material in cloth material space 15 and when being shaped fully as yet in be about to being shaped, the charging hole 115,116 poroid with connecting pipeline 117 that it was had and flake is communicated with, can be in good time provide replenishes the deficiency of raw material when cooling is shunk, and guarantees that the sole 23 that is shaped is complete nonpitting fine quality;

In sum, the utility model sole mould cooperates special spatial mode with innovation structure Attitude provides solution to commonly use mould and does not attain the perfect shortcoming that produces because of the structure design, has and carries The progressive effect of high production speed and sole quality, and can reach the creation purpose of expection, tool Value on the industry is arranged.

Claims

1, a kind of die for shoe-sole, it comprises a bed die, its top offers can be for the predetermined dimpled grain position that forms the sole shape of a footwear body; Two limit moulds, it is in the relative closing of left and right side of bed die, in the shape of this bed die of medial end relative engagement of two limit moulds and the shape that is the indent predetermined arc is set; One last, itself and above-mentioned two limit die sleeves merge mould and close in this bed die top, just can form with the dimpled grain position of this bed die and can wherein all be embedded with the electrothermal tube that can heat for the predetermined cloth material space that forms a sole to the raw material that flows in the cloth material space in the center of this two limits mould and bed die; It is characterized in that:

Distolateral center in the relative closing of this two limits mould, respectively to the pan feeding ditch that has the semicircular in shape shape, when the involutory matched moulds of two limit moulds, form the mouth that shoots material of toroidal, the longitudinal length of this pan feeding ditch is about 1/2nd of two limit mould height, and then turnover connect one section be horizontally set and along the shape of two limit mould indents extend be surrounded on these bed die two limits when constituting two limit mould closings and have a suitable length walk the hopper road, this end of walking the hopper road communicates in alignment with the charging hole of these bed die both sides and with it.

2, according to the described die for shoe-sole of claim 1, it is characterized in that: what the aperture of the charging hole of these bed die both sides was smaller than this two limits mould walks the hopper road, and it is poroid that the flake that is to the inner expansion of bed die is set, and this bed die bottom is provided with a flat board that driven by oil hydraulic cylinder.