CN2226852Y

CN2226852Y - Forming mould for sole

Info

Publication number: CN2226852Y
Application number: CN 95211416
Authority: CN
Inventors: 黄淑卿
Original assignee: FENGTAI MOULD INDUSTRY Co Ltd
Current assignee: FENGTAI MOULD INDUSTRY Co Ltd
Priority date: 1995-05-12
Filing date: 1995-05-12
Publication date: 1996-05-15
Anticipated expiration: 2005-05-12

Abstract

The utility model relates to a forming mould for a sole. The utility model comprises a base. A bottom mould, a left side mould and a right side mould are arranged on a bottom plate of the base. The bottom plate of the base is hinged with a flat plate which can be tilted from top to bottom. The lower part of the flat plate is provided with a shoe boot-shaped shoe tree head. The bottom mould forms a sole shape. The top surface of the bottom mould is provided with a concave part provided with scheduled patterns. A base plate is provided with operating space. The lower part of the bottom mould is provided with an oil hydraulic cylinder. A piston rod of the oil hydraulic cylinder can drive the bottom mould to move from top to bottom. The end parts of the left side mould and the right side mould are respectively provided with a bearing. The inner side edge of the bearing is provided with an unfilled corner. A guiding slot and a positioning body are arranged on a backup plate of the base. In the process of combination, the center of the mould can be aligned. When the mould is removed, the bottom mould moves downwards, the left side mould and the right side mould retreat, the flat plate is tilted upwards, and the mould is removed.

Description

Sole forming die

The utility model relates to a kind of sole forming die, and specifically, it is a kind of improved die for shoe-sole.

At first, see also shown in Figure 1, it is the mfg. moulding die of an existing plastic shoes sole, it is provided with one and roughly is the sole shape on a pedestal 1, and be provided with reservation shape in its end face, the bed die 2 of decorative pattern recess 201 and in bed die 2 both sides, can distinguish the left side of inside closing, the right mould, 5 of one lasts are located at the pedestal top, can upwards be started and be put down, when carrying out the matched moulds material feeding, this left side, the right mould is to bed die 2 closings, and last 5 is involutory in bed die 2 downwards, after treating 6 moulding of material feeding sole, when withdrawing pattern, this last 5 is upwards lifted, draw by force with sole 6 and separate, wherein, lift work on this last 5, be to be fulcrum with the toe-cap position, the at first stressed pull-up in heel position, make that the action of lifting is an arc wobbling action upwards, and in originally mould assembling action is finished, these last 5 bottoms 501 be absorbed in downwards and involutory in the recess 201 of bed die 2 apart from a distance, form one can with the sole 6 of the bonding combination of vamp (not shown), therefore when last 5 upwards starts, its bottom 501 can pass each other by a shave with the recess 201 of bed die 2, uses after a period of time, and mould is worn and torn because of friction, not only influence the shape and the size of moulding sole 6, quality is also unsecured, and after wearing away to a certain degree, just the mould that must more renew; Have again, because this plastic raw materials that is shaped to sole 6 itself has suitable caking property, so starting the instant that last 5 desires make itself and sole 6 break away from, to the heel position bigger initial tension must be arranged, and after its heel position breaks away from sole 6, slowly must be upwards with shoe last 5 swings, its toe-cap position just and then breaks away from, and separates fully with sole 6 so that start last 5 integral body, also therefore make the heel position tension power of sole 6 rear ends bigger, its front end toe-cap position pulling force is less, easily causes distortion, makes whole sole 6 produce warpage, influence quality, increase manufacturing cost, and quality is uncontrollable, makes the producer awkward.Have again, when existing mold carries out closing or separating action at left and right limit mould, because the structural design that no any guiding is supported, therefore the mould closing is aligned, only rely on left and right limit mould inner side edge and close up relatively, whether mould really aligns the center, just can't judge that these shortcomings have to be overcome.

The purpose of this utility model is to provide a kind of die for shoe-sole, to prolong die life and to guarantee the quality of moulding sole.

Another purpose of the present utility model is to provide a kind of die for shoe-sole, and it can align mold center and can guide mould smooth-going mobile.

The purpose of this utility model is to realize like this, a kind of die for shoe-sole promptly is provided, comprise a pedestal, it has a base plate, be arranged on its base plate for this bed die and left and right limit mould, pedestal rear side side plate top hinged one flat board that can upper and lowerly start, this flat board below vertically is provided with a last that is footwear boots shape, and this bed die is sole-shaped, and its end face is provided with the recess with reservation shape shoe sole print; At this substrate the position of base plate is set, is arranged with one and has the quite motion space of height, and the oil hydraulic cylinder that is pivoted in this bed die below, its piston rod can drive the upper and lower action of bed die; The inside bottom of this left and right limit mould phase closing, relatively establish unfilled corner, the front and back ends of both sides mould is established a bearing respectively, the front and back ends center position that is matched with relative this bed die on the pedestal is convexly equipped with positioning body, establish the guiding groove that is horizontal indent respectively on this pedestal rear side side plate and on the backup plate of bed die front side, left and right limit mould can relatively move along guiding groove, and both sides mould unfilled corner just embeds for this positioning body, aligns the bed die center; This bed die also can be shifted downwards, and flat board is backed out and started to left and right limit mould makes last upwards, finishes the demoulding.

Advantage of the present utility model is that this mould is centering accurately, and mould can smooth-goingly be moved, and prolong die life, and the moulding sole is evenly smooth, and quality is guaranteed.

Below in conjunction with accompanying drawing, the utility model embodiment is described, wherein:

Fig. 1 is the combination cross-sectional schematic of existing die for shoe-sole;

Fig. 2 is the three-dimensional exploded view of the utility model one embodiment;

Fig. 3 A, 3B are respectively the combination of the utility model one embodiment and analyse and observe and operation chart.

See also shown in Fig. 2,3, die for shoe-sole 10 of the present utility model comprises that a pedestal, is located on the base plate 111 of this pedestal, roughly is the bed die 12 of sole shape, and composition such as left and

right limit mould

13,14, last 15; Wherein the end face of this bed die 12 is provided with the predetermined recess 121 that forms sole bottom decorative pattern, left and

right limit mould

13,14 then can be respectively closing or oppositely outwards back out action opposite to each other; One dull and stereotyped 113 1 ends are connected in pedestal rear side side plate 112 tops in hinged way, and it is held in addition and then is convexly equipped with a handgrip 114 for the staff gripping, and makes dull and stereotyped 113 can be lifted up and down; 15 of this lasts are the boot-shape shape and are located at this flat board 113 lower ends, and its toe-cap position 151 is towards plate 112, and heel position 152 then direction is opposite; Similar with common mould, this left and

right limit mould

13,14 can add oil hydraulic cylinder 131 and 141 respectively in its side edge, controls mould action of this limit automatically by the piston rod (not shown) of oil hydraulic cylinder 131,141, easy to operately can save manpower and man-hour again easily; Said structure and existing mold structure and mode of operation are roughly the same, so in this few narration; The characteristics of the utility model mould are: the position that this pedestal places this bed die 12 to be provided with, be arranged with the quite motion space 115 of height (about 10mm) of a tool, below this motion space 115, one oil hydraulic cylinder 16 is set, and a template 122 is set earlier in these bed die 12 belows, solid with this template 122 with piston rod 161 pivots of this oil hydraulic cylinder 16, and establish at the base plate 111 front position places of substrate several chutes 117 for hinged one according to mould 12 sizes and the backup plate 116 of shift position, in appropriate position on this backup plate 116 and on the pedestal rear side side plate 112, establish the guiding

groove

1161 and 1121 of horizontal indent respectively, before on this pedestal bottom plate 111, the rear, to should bed die 12 position of center line, be oppositely arranged an outstanding positioning body 118;

In this left side, the right mould 13, before the inner side edge of 14 relative closings, below, back two ends, establish unfilled corner 132 and 142 respectively, this left side, the

right mould

13,14 pairs fashionable, two unfilled corners 132 of its front and back end, 142 can embed for the positioning body on the base plate 111 of this pedestal 118, so that the center that aligns bed die 12 to be provided, again before the mould of both sides, position, rear end appropriate location, establish

bearing

133 and 143 respectively, with corresponding to the guiding groove 1121 on this pedestal rear side side plate 112 and the

backup plate

116,1161, this both sides mould 13, before 14, the bearing 133 of rear end, 143 are in guiding groove 1161, in 1121, and along guiding

groove

1161,1121 advance, so that both sides mould 13,14 when relative closing or separation, moves smooth-going, steadily.

According to said structure, when carrying out the course of action of matched moulds and material feeding, this bed die 12 is in being under the normal condition on the motion space 111, as shown in Figure 3A, this flat board 113 of operation is downward earlier, last 15 is depressed, and it is involutory with bed die 12, and should a left side, the

right mould

13,14 again with its oil hydraulic cylinder 131,141 controls, respectively to bed die 12 closings, this moment this both sides mould 13,14 bearings 133 to be had, 143 rear side side plates 112 along pedestal, and the guiding groove 1121 on the

backup plate

116,1161 advance, and before bed die 12, the positioning body 117 of rear end, control both

sides mould

13,14 are aligned with the center of bed die 12 exactly, and bed die 12, last 15 cooperates a left side, the

right mould

13,14 threes, formation can be configured as the cloth material space of sole 17 for the cast raw material, treat that material feeding finishes and during cooling forming one sole, operate oil hydraulic cylinder 16 actions of template 122 belows of this bed die 12 again, make piston rod 161 these templates 122 of drive and bed die 12 approximately to moving down about 10mm, and retreat to after 115 belows, motion space, follow this left side, the

right mould

13,14 back out to both sides respectively, start this last 15 of dull and stereotyped 113 pull-ups again and break away from, to finish demoulding action (shown in Fig. 3 B) with bed die 12.During the demoulding, make this bed die 12 driven by oil hydraulic cylinder 16 earlier and to bottom offset, this downward action makes in type sole 17 integral body at first receive a uniform lower pulling force, help when this last 15 is pulled upwardly, can reduce initial tension, make sole 17 separate more or less freely with last 15, the sole 17 that takes out after the demoulding do not have in the prior art must be earlier by force the pull-up last make the shortcoming of its easy buckling deformation in heel position, the toe-cap of the sole 17 of the utility model moulding and heel position are evenly smooth indeformable, realize intended purposes; And before these last 15 pull-ups, bed die 12 can be avoided the last 15 and bed die 12 recesses 121 collision frictions of upwards swing in advance to bottom offset, and is impaired to prevent mould, can increase the service life; Have again, this left and

right limit mould

13,14 is with bearing 133,143 and unfilled corner 132,142 that it was had, be matched with the guiding

groove

1121,1161 on positioning body 113 on the base plate 111 and rear side side plate 112 and the backup plate 116, can prevent when mould from moving the phenomenon that offsetting dip takes place and can't align, in the time of also can avoiding the material feeding foaming, can produce the punch die phenomenon and cause mould or the shortcoming of sole distortion.

Claims

1, a kind of sole forming die, comprise a pedestal, it has a base plate, be arranged on this base plate for bed die and left and right limit mould, pedestal rear side side plate top hinged one flat board that can upper and lowerly start, this flat board below vertically is provided with a last that is footwear boots shape, and this bed die is the sole shape, and its end face is provided with the recess with reservation shape shoe sole print; It is characterized in that:

At this substrate the position of base plate is set, is arranged with one and has the quite motion space of height, and the oil hydraulic cylinder that is pivoted in this bed die below, its piston rod can drive the upper and lower action of bed die; The inside bottom of this left and right limit mould phase closing, relatively establish unfilled corner, the front and back ends of both sides mould is established a bearing respectively, the front and back ends center position that is matched with relative this bed die on the pedestal is convexly equipped with positioning body, establish the guiding groove that is horizontal indent respectively on this pedestal rear side side plate and on the backup plate of bed die front side, left and right limit mould can relatively move along guiding groove, and both sides mould unfilled corner just embeds for this positioning body, aligns the bed die center; This bed die also can be shifted downwards, and flat board is backed out and started to left and right limit mould makes last upwards, finishes the demoulding.

2, a kind of sole forming die according to claim 1 is characterized in that, this bed die below is provided with a template, and the piston rod of oil hydraulic cylinder and this template are articulated, and drives the upper and lower action of bed die.

3, a kind of sole forming die according to claim 1 is characterized in that, the front end position of this pedestal bottom plate is provided with several chutes, setting can according to the different size mould adjust its be provided with the position and for against backup plate.