CN110693131A - Heel stabilizing sleeve of diabetic foot shoe and processing method thereof - Google Patents

Heel stabilizing sleeve of diabetic foot shoe and processing method thereof Download PDF

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Publication number
CN110693131A
CN110693131A CN201910941924.4A CN201910941924A CN110693131A CN 110693131 A CN110693131 A CN 110693131A CN 201910941924 A CN201910941924 A CN 201910941924A CN 110693131 A CN110693131 A CN 110693131A
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China
Prior art keywords
layer
scratch
heel
module
glue
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CN201910941924.4A
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Chinese (zh)
Inventor
曾理想
王键强
查理
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Walt Technology Group Ltd By Share Ltd
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Walt Technology Group Ltd By Share Ltd
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Priority to CN201910941924.4A priority Critical patent/CN110693131A/en
Publication of CN110693131A publication Critical patent/CN110693131A/en
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/28—Devices to put in shoes in order to prevent slipping at the heel or to prevent abrading the stockings
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D11/00—Machines for preliminary treatment or assembling of upper-parts, counters, or insoles on their lasts preparatory to the pulling-over or lasting operations; Applying or removing protective coverings
    • A43D11/12—Machines for forming the toe part or heel part of shoes, with or without use of heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00—Producing footwear
    • B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00—Producing footwear
    • B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
    • B29D35/14—Multilayered parts
    • B29D35/148—Moulds or apparatus therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

The invention discloses a heel stabilizing sleeve of a diabetic foot shoe, which comprises a scratch-proof layer and a supporting layer which are connected together, wherein the hardness of the supporting layer is greater than that of the scratch-proof layer. The invention also discloses a processing method of the heel stabilizing sleeve of the diabetic foot shoe, which comprises the steps of injection mold production, installation, injection processing and the like, the produced heel stabilizing sleeve is comfortable in foot feel, suitable for being used by the diabetic foot shoe, high in automation degree, simple to operate and high in product processing precision.

Description

Heel stabilizing sleeve of diabetic foot shoe and processing method thereof
Technical Field
The invention belongs to the field of shoe processing, and particularly relates to a heel stabilizing sleeve of a diabetic foot shoe and a manufacturing method thereof.
Background
The diabetic can cause the damage and the malformation of foot soft tissues and bone joint systems due to the combination of peripheral neuropathy and peripheral vascular diseases with overhigh mechanical pressure, in order to prevent the malformation of feet, the diabetic foot shoes can use a foot-shaped cup for stabilizing the heel at the position of the heel, the shape of the foot-shaped cup is fixed, and meanwhile, the effect can be achieved only by certain hardness, and as the edema conditions of the feet of different patients are different, when the shoes are smaller, the feet are easy to move back and forth, so that friction is generated between the feet and the foot-shaped cup, and the foot grinding condition is caused; when the foot is swollen seriously, the heel is clamped by the foot-shaped cup, so that pain and foot abrasion are caused, the prevention and treatment effect is not realized when a consumer wears shoes, and the condition of an illness is aggravated.
Disclosure of Invention
In view of the above, the invention aims to provide a heel stabilizing sleeve which is comfortable to the foot and is suitable for being used in diabetes shoes.
The invention aims to provide a method for processing a heel stabilizing sleeve which is comfortable in foot feeling and suitable for being used in diabetes shoes.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a heel stabilizing sleeve of a diabetic foot shoe comprises a scratch-proof layer and a supporting layer which are connected together, wherein the position of a toe cap is taken as a front side, the side opposite to the front side is taken as a rear side, the scratch-proof layer is positioned at the front side of the supporting layer, the side opposite to the inner side is taken as an inner side, the side opposite to the inner side is taken as an outer side, the scratch-proof layer comprises an inner side piece, an outer side piece and a rear side piece which are connected between the inner side piece and the outer side piece, the free end of the inner side piece extends forwards to the position of an arch along the length direction of a foot to form a reinforcing part for reinforcing the supporting strength of the arch position, the length of the inner side piece is at least 10mm longer than that of the outer side piece, the scratch-proof layer is divided into a scratch-proof part positioned above the most convex points of a heel and a connecting part positioned below the most convex points of the heel, and the supporting layer is, the scratch-proof part is positioned above the supporting layer, and the hardness of the supporting layer is greater than that of the scratch-proof layer.
Further, the thickness of the scratch-resistant layer is 2-2.5MM, the hardness is 50-55 DEG A or more, the thickness of the support layer is 1.5-2MM, and the hardness is 70-75 DEG A or more, or the thickness of the scratch-resistant layer is 2-2.5MM, the hardness is 65-70 DEG D or more, the thickness of the support layer is 1.5-2MM, and the hardness is 90-95 DEG D or more
Furthermore, a plurality of density material fixing columns are formed on the connecting portion of the scratch-resistant layer, the distance between the density material fixing columns is more than 10mm, the supporting layer is connected to the scratch-resistant layer in an overlapped mode through injection molding, the density material fixing columns are embedded into the supporting layer, and the height of each density material fixing column is matched with the thickness of the corresponding position of the scratch-resistant layer.
After the technical scheme is adopted, the heel stabilizing sleeve of the diabetic foot shoe has the following beneficial effects: the supporting layer is combined with the scratch-resistant layer, so that the shoes can be protected to prevent the feet from being worn, and the shoe has enough supporting strength, prevents the foot of a diabetic from being deformed, and is suitable for the diabetes shoes. The invention also discloses a processing method of the heel stabilizing sleeve of the diabetic foot shoe, which comprises the steps of injection mold production, installation, injection processing and the like, the produced heel stabilizing sleeve is comfortable in foot feel, suitable for being used by the diabetic foot shoe, high in automation degree, simple to operate and high in product processing precision.
A method for processing a heel stabilizing sleeve of a diabetic foot shoe comprises the following steps:
(1) production of an injection mold: scanning the heel of the upper, designing a mold drawing for processing the heel stabilizing sleeve according to the three-dimensional space structure characteristic of the heel, and then processing and producing a corresponding injection mold according to the mold drawing;
the injection mould comprises a module A, a module B and a module C which are combined together in sequence in a movable mode;
(2) the injection mould is hung on the machine table, and the injection mould is correspondingly connected with the mechanical arm and the traction device;
(3) preparing a first material injection machine and a second material injection machine, wherein the first material injection machine is added with glue of a scratch-resistant layer, the glue of the scratch-resistant layer is heated to be in a liquid state, the second material injection machine is added with glue of a supporting layer, and the glue of the supporting layer is heated to be in a liquid state;
(4) and (3) injection processing: firstly, combining the module A, the module B and the module C, firstly, injecting glue for gluing the anti-scraping layer from a glue injection position of the anti-scraping layer by using a first material injection machine, moving and loosening the module A and the module C after cooling, and keeping the module B in the original position to obtain a semi-finished product for forming the sizing foot-shaped cup, namely an anti-scraping layer sheet body;
then the module B is horizontally moved, the module A and the module C are continuously combined together, and the second material injection machine moves to the glue injection position of the scratch-resistant layer to inject the glue of the supporting layer, so that the glue of the supporting layer and the glue of the scratch-resistant layer are combined together;
after cooling and shaping, a finished product of the foot-shaped cup, namely the heel stabilizing sleeve, is formed.
After the technical scheme is adopted, the processing method of the heel stabilizing sleeve of the diabetic foot shoe has the following beneficial effects: the heel stabilizing sleeve is suitable for producing a heel stabilizing sleeve which is comfortable to feel, suitable for being used by the diabetes shoes, high in automation degree, simple to operate and high in product processing precision. In addition, only one set of die is needed for processing the product with the double-layer structure, so that the production cost is saved.
Preferably, after the step (4), the heel stabilizing sleeve is placed in the interlayer between the inner side of the vamp and the fabric, or the heel is directly attached to the surface of the vamp, then the shoe with the heel stabilizing sleeve is placed in a mold of a freezing forming machine for heel forming, and the shape of the heel stabilizing sleeve is ensured to be matched with that of the shoe tree.
Drawings
FIG. 1 is a schematic view of the structure of the heel stabilizing sleeve of the present invention;
FIG. 2 is a cross-sectional view of the heel stabilizing boot of the present invention taken along the width of the shoe;
FIG. 3 is a lateral side of the heel stabilizing sleeve of the present invention;
FIG. 4 is an inside face of the heel stabilizing sleeve of the present invention;
fig. 5 is a schematic structural view (view angle: top down) of the injection mold of the present invention.
In the figure:
a scratch-resistant layer-1; an inner side panel-11;
outer sheet-12; a rear side panel-13;
a reinforcement-14; a scratch prevention portion-15;
a connecting part-16; a support layer-2;
a male die mounting cover-101; male mold aid-102;
male mold-103; a scratch-resistant layer master mold-104;
scratch resistant layer master mold auxiliary-105; a support layer master mold-106;
a support layer master mold first aid-107; a support layer master second aid-108;
a first plug-pin-109; a second pin-110;
a third pin-111; a fourth pin-112;
a thimble-113; a thimble mounting cover-114;
a thimble assistant member-115; a fifth latch-116;
a sixth bolt-117; a support layer material injection channel-118;
a scratch-resistant layer material injection channel-119; a first spring-120;
a second spring-121; a third spring-122;
a fourth spring-123; a limiting device-124;
a limiting device-125; a limiting device-126;
a limiting device-127; a robotic arm-131;
a robotic arm-132; a robotic arm-133;
a robotic arm-134.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
Example 1
The heel stabilizing sleeve of the diabetic foot shoe comprises a scratch-proof layer 1 and a supporting layer 2 which are connected together, wherein the position of a toe cap is the front side, the side opposite to the front side is the rear side, the scratch-proof layer 1 is positioned on the front side of the supporting layer 2, the side opposite to the inner side of two feet is the inner side, and the side opposite to the inner side is the outer side. The scratch-proof layer 1 comprises an inner side piece 11, an outer side piece 12 and a rear side piece 13 connected between the inner side piece 11 and the outer side piece 12, the free end of the inner side piece 11 extends forwards to a position corresponding to an arch of foot along the length direction of the foot to form a reinforcing part 14 used for reinforcing the supporting strength of the arch of foot, the length of the inner side piece 11 is at least 10mm longer than that of the outer side piece 12, namely, the inner side and the outer side are asymmetric, the scratch-proof layer 1 is divided into a scratch-proof part 15 located above a most convex point of a heel (of a shoe tree) and a connecting part 16 located below the most convex point of the heel, the supporting layer 2 is correspondingly arranged on the connecting part 16 of the scratch-proof layer 1, the scratch-proof part 15 is located above the supporting layer 2, and the hardness.
As a preferred embodiment, the scratch-resistant layer 1 has a thickness of 2-2.5MM and a hardness of 50-55 ° a or more, the support layer 2 has a corresponding thickness of 1.5-2MM and a hardness of 70-75 ° a; or the thickness of the scratch-resistant layer 1 is 2-2.5MM, the hardness is more than 65-70 degrees D, the thickness of the supporting layer 2 is 1.5-2MM, the hardness is correspondingly more than 90-95 degrees D, the scratch-resistant layer 1 is a soft material layer compared with the supporting layer 2, the scratch-resistant layer 1 is attached to the vamp, and the supporting layer 2 is a hard material layer and is superposed on the soft material layer.
In order to facilitate secondary processing, the problem of shrinkage and deformation of a finished product caused by thermal expansion and cold contraction after the material of the support layer 2 is injected onto the surface of the scratch-resistant layer 1 is solved, a plurality of density material fixing columns (not shown in the figure) are formed on the connecting portion 16 of the scratch-resistant layer 1, the distance between the density material fixing columns is more than 10mm, the support layer 2 is connected onto the scratch-resistant layer 1 in an overlapped mode through injection molding, the density material fixing columns are embedded into the support layer 2, and the height of each density material fixing column is matched with the thickness of the corresponding position of the scratch-resistant layer 1.
In a preferred embodiment, for example a 70mm high shoe, the height of the scratch-resistant layer 1 is less than 45mm, and the height of the support layer 2 is higher than the most convex point of the heel of the shoe last, typically less than 35 mm.
The heel stabilizing sleeve of the diabetic foot shoe has the advantages that due to the particularity of the diabetic foot, the shaping heel protector in the shoe needs certain hardness to play an effective prevention and treatment role, the soft shaping heel protector can relieve the foot grinding situation, but the prevention effect is poor, the heel stabilizing sleeve can protect and prevent the shoe from grinding the foot by combining the hard material (namely the supporting layer 2) and the soft material (namely the scratch-resistant layer 1), has enough supporting strength, prevents the foot deformity of a diabetic patient, and is suitable for the diabetic shoe.
Example 2
The invention relates to a method for processing a heel stabilizing sleeve of a pair of diabetic foot shoes, which comprises the following steps:
(1) production of an injection mold: scanning the heel of the upper, designing a mold drawing for processing the heel stabilizing sleeve according to the three-dimensional space structure characteristic of the heel, and then processing and producing a corresponding injection mold according to the mold drawing;
the injection mould comprises a module A, a module B and a module C which are combined together in sequence in a movable mode;
(2) the injection mould is hung on the machine table, and the injection mould is correspondingly connected with the mechanical arm and the traction device;
(3) preparing a first material injection machine and a second material injection machine, wherein the first material injection machine is added with glue of a scratch-resistant layer, the glue of the scratch-resistant layer is heated to be in a liquid state, the second material injection machine is added with glue of a supporting layer, and the glue of the supporting layer is heated to be in a liquid state;
(4) and (3) injection processing: firstly, combining the module A, the module B and the module C, firstly, injecting glue for gluing the anti-scraping layer from a glue injection position of the anti-scraping layer by using a first material injection machine, moving and loosening the module A and the module C after cooling, and keeping the module B in the original position to obtain a semi-finished product for forming the sizing foot-shaped cup, namely an anti-scraping layer sheet body;
then horizontally moving the module B, continuously combining the module A and the module C, and injecting glue of the supporting layer from a glue injection position of the scratch-resistant layer by a second material injection machine so as to enable the glue of the supporting layer and the glue of the scratch-resistant layer to be combined together;
after cooling and shaping, a finished product of the foot-shaped cup, namely the heel stabilizing sleeve, is formed.
As a preferred embodiment, the present invention provides a method for manufacturing a heel stabilizing sleeve of a diabetic foot shoe, comprising the steps of:
(1) production of an injection mold: scanning the heel of an upper (namely a shoe tree with a coiled vamp), designing a mold drawing for processing a heel stabilizing sleeve according to the three-dimensional space structure characteristic of the heel, and further processing and producing a corresponding injection mold according to the mold drawing;
as shown in fig. 5, the direction indicated by the arrow in fig. 5 is taken as the front, the direction opposite to the direction indicated by the arrow is taken as the rear, and the left and right sides are taken as the front and rear sides, respectively. The injection mold comprises a module a, a module B and a module C, which are combined in sequence in a movable manner, the module a being located at the front end and the module C being located at the rear end.
The injection mold comprises a male mold mounting cover 101, a male mold auxiliary part 102, a male mold 103, a scratch-resistant layer female mold 104, a scratch-resistant layer female mold auxiliary part 105, a support layer female mold 106, a support layer female mold first auxiliary part 107, a support layer female mold second auxiliary part 108, a thimble mounting cover 114 and a thimble auxiliary part 115;
the supporting layer female die 106 and the supporting layer female die first auxiliary part 107 are combined together, the drill punch is provided with two first bolt slideways which are respectively arranged along the front and back direction, the first bolt slideways penetrate through the supporting layer female die first auxiliary part 107 and extend to the supporting layer female die 106, and the two first bolt slideways are correspondingly provided with first bolts 109 and second bolts 110 one by one. The supporting layer female die 106 is provided with a first sliding rail cavity corresponding to the first plug 109, the first sliding rail cavity is provided with a limiting device 124, and the limiting device 124 is limited in the first sliding rail cavity. The supporting layer female die 106 has a second sliding rail cavity corresponding to the second plug 110, the second sliding rail cavity is assembled with a limiting device 125, and the limiting device 125 is limited in the second sliding rail cavity. One end of the first plug 109 and one end of the second plug 110 are fixed with the first auxiliary member 107 of the support layer female die by means of tight fit and the like. The other end of the first pin 109 is fixed to the position-limiting device 124 and moves in the first slide-rail cavity. Therefore, the first plug pins 109 cannot be completely separated from the support layer mother die 106. The other end of the second pin 110 is fixed to the position-limiting device 125 and moves in the second slide-rail cavity. Therefore, the second pins 110 cannot be completely separated from the support layer mother die 106.
The scratch-resistant layer female die auxiliary part 105 and the support layer female die 106 are combined together, the drill punch is provided with two second pin slideways which are respectively arranged along the front and back directions, the second pin slideways extend from the scratch-resistant layer female die auxiliary part 105 to the support layer female die 106, and the two second pin slideways are correspondingly provided with third pins 111 and fourth pins 112 one by one.
The male die 103 is punched in the front-rear direction with a thimble chute equipped with a thimble 113, the thimble 113 moving in the front-rear direction. The male die 103, the scratch-resistant layer female die 104 and the scratch-resistant layer female die auxiliary part 105 are combined together in sequence, the drill punch is provided with two third bolt slideways which are respectively arranged along the front and back directions, the third bolt slideways penetrate through the scratch-resistant layer female die 104, one end of each third bolt slideway extends to the male die 103, the other end of each third bolt slideway extends to the scratch-resistant layer female die auxiliary part 105, the third bolt slideways are provided with a fifth bolt 116 and a sixth bolt 117 in a one-to-one correspondence manner, the scratch-resistant layer female die 104 is provided with a third slide rail cavity corresponding to the fifth bolt 116, and the third slide rail cavity is provided with a limiting device 127. The limiting device 127 is limited in the third slide rail cavity. The support layer female die 106 is provided with a fourth sliding rail cavity corresponding to the seventh plug pin 117, and the limiting device 126 is assembled in the fourth sliding rail cavity. The limiting device 126 is limited in the fourth sliding rail cavity. One end of the fifth plug pin 116 and one end of the sixth plug pin 117 are fixed with the scratch-resistant layer female mold auxiliary member 105 by means of tight fit and the like. The other end of the fifth latch 116 is fixed to the position-limiting device 127 and moves in the third slide rail cavity. Therefore, the fifth insert 116 cannot be completely removed from the scratch resistant layer master 104. The other end of the sixth pin 117 is fixed to the position-limiting device 126 and moves in the fourth slide-rail cavity. Therefore, the sixth plug 117 cannot be completely separated from the scratch cover female mold 104.
The scratch-resistant layer female die 104 and the scratch-resistant layer female die auxiliary part 105 are combined together, the drill punch is provided with two first spring channels which are respectively arranged along the front and back directions, the first spring channels extend from the scratch-resistant layer female die 104 to the scratch-resistant layer female die auxiliary part 105, the two first spring channels are provided with a first spring 120 and a second spring 121 in a one-to-one correspondence manner, two ends of the first spring 120 can be limited or fixed at two corresponding ends of the corresponding first spring channel, and two ends of the second spring 121 can be limited or fixed at two corresponding ends of the corresponding first spring channel.
The scratch-resistant layer female die 104 and the scratch-resistant layer female die auxiliary part 105 are combined together to form a first joint, the scratch-resistant layer female die 104 and the scratch-resistant layer female die auxiliary part 105 are drilled with a scratch-resistant layer injection channel 119, a scratch-resistant layer cavity is formed between the combined male die 103 and the scratch-resistant layer female die 104, and the scratch-resistant layer injection channel 119 is communicated with the scratch-resistant layer cavity.
Specifically, prevent scraping layer notes material way 119 and be the T style of calligraphy, prevent scraping layer notes material way 119 and include first feeding section, first ejection of compact section and buffer segment set up relatively, and the two is located same straight line, and first feeding section sets up with first ejection of compact section is perpendicular to, and, vertical direction setting is followed to first feeding section, and its bore diminishes along material direction of delivery gradually, and first ejection of compact section sets up along the horizontal direction, and its bore diminishes along material direction of delivery gradually. The first discharging section is located on the scratch-resistant layer female die 104, and the first discharging section is communicated with the scratch-resistant layer cavity. The buffering section is located on the anti-scratch layer female die auxiliary part 105, the maximum caliber of the first discharging section is located at the first joint, the maximum caliber of the buffering section is located at the first joint, and thus when the first joint is opened, the first discharging section is convenient to utilize self stress, automatic discharging is realized, and the buffering section is convenient to form an interaction force with the first discharging section when discharging, so that discharging of the first discharging section is facilitated. The axial lead of first feeding section is located first joint in a lump department, the bore of first feeding section is crescent along material direction of delivery, after first joint in a lump is opened, first feeding section is opened, easily take off the material, and in the twinkling of an eye of opening, form interact force between first feeding section and first play material section and the buffer segment, conveniently prevent scraping taking off of layer notes material way 119, make preventing after the shaping scraping layer 1 level and smooth, no burr, simultaneously, it is clean to prevent scraping layer notes material way 119 and take off the material at every turn, the protection mould, do benefit to follow-up indirect repeatability and annotate the material operation.
The support layer female die 106 and the support layer female die first auxiliary part 107 are combined together, the punch drill is provided with two second spring channels which are respectively arranged along the front-back direction, the second spring channels extend from the support layer female die 106 to the support layer female die first auxiliary part 107, and the two second spring channels are correspondingly provided with a third spring 122 and a fourth spring 123 one by one. The ends of the third spring 122 may be retained or secured to the respective ends of the respective second spring channels, and the ends of the fourth spring 123 may be retained or secured to the respective ends of the respective second spring channels.
The support layer master 106, the support layer master first aid 107, and the support layer master second aid 108 are combined together, a second parallel seam is formed between the support layer master 106 and the support layer master first aid 107, and a support layer sprue 118 is co-drilled in the support layer master 106, the support layer master first aid 107, and the support layer master second aid 108. A supporting layer cavity is formed between the combined male die 103 and the supporting layer female die 106, and the supporting layer material injection channel 118 is communicated with the supporting layer cavity.
Preferably, the material way 118 is a style of calligraphy is annotated to the supporting layer, and the material way 118 is annotated to the supporting layer includes second feeding section and second ejection of compact section, and second feeding section sets up with the second ejection of compact section is relative, and the two is located same straight line to, second feeding section sets up along the horizontal direction, and its bore is along material direction of delivery (the material from top to bottom transport) grow gradually, and the second ejection of compact section sets up along the horizontal direction, and its bore diminishes along material direction of delivery gradually. The second discharge section is located on the support layer master die 106 and is in communication with the support layer cavity. The second feeding section is located on the first auxiliary part 107 of the supporting layer female die and the second auxiliary part 108 of the supporting layer female die, the maximum caliber of the second discharging section is located at the second joint, the maximum caliber of the second feeding section is located at the second joint, and thus when the second joint is opened, the second discharging section can conveniently utilize self stress, automatic material release is realized, the second feeding section is convenient for forming interaction force with the second discharging section when the material is released, the material release of the supporting layer material injection channel 118 is facilitated, so that the supporting layer 2 after molding is smooth and has no burrs, and meanwhile, the supporting layer material injection channel 118 can completely release the material at each time, the mold is protected, and the subsequent indirect repeated material injection operation is facilitated.
Preferably, in order to ensure that the beauty of the nozzle and the joint can be controlled during the second injection, the supporting layer female die 106 can be divided into a left and a right symmetrically arranged blocks, so as to adjust the tightness of the die and achieve the best effect.
When in combination, the first step: one end of the first plug pin 109 and one end of the second plug pin 110 are respectively sleeved into the first auxiliary member 107 of the support layer master model, and then the second auxiliary member 108 of the support layer master model is combined, and the first auxiliary member 107 of the support layer master model and the second auxiliary member 108 of the support layer master model are combined together and fixed by bolts. Third springs 122 and fourth springs 123 are attached to the support layer master first auxiliary member 107 and the support layer master second auxiliary member 108, and are fitted into the support layer master 106 and pressed against the support layer master 106, the support layer master first auxiliary member 107, and the support layer master second auxiliary member 108. Then, the limiting device 124 and the limiting device 125 are installed to synthesize the A module. After the pressure is released, under the elastic action of the third spring 122 and the fourth spring 123, the support layer female die 106 and the support layer female die first auxiliary member 107 can be bounced open, so that the support layer material injection channel 118 can automatically release materials conveniently. The opened space does not cause the support layer main mold 106 to slide off the first and second pins 109 and 110 under the limiting action of the limiting means 124 and the limiting means 125, i.e., the support layer main mold 106 does not completely separate from the support layer main mold first auxiliary member 107.
The second step is that: installing a first spring 120 and a second spring 121 in the auxiliary anti-scratch layer female die part 105, then inserting a fifth bolt 116 and a sixth bolt 117 into the auxiliary anti-scratch layer female die part 105, fixing the bolts together, then sleeving the anti-scratch layer female die 104 in a sleeving manner, pressing the anti-scratch layer female die 104 and the auxiliary anti-scratch layer female die part 105 tightly, and then installing a limiting device 127 and a limiting device 126 to synthesize a module B; after the pressure is released, under the elastic action of the first spring 120 and the second spring 121, the scratch-resistant layer female die 104 and the scratch-resistant layer female die auxiliary part 105 can be bounced off, so that the scratch-resistant layer injection channel 119 can automatically release materials conveniently, the opened space cannot cause the scratch-resistant layer female die 104 to slip from the fifth bolt 116 and the sixth bolt 117 under the limiting action of the limiting device 126 and the limiting device 127, and the scratch-resistant layer female die 104 cannot completely separate from the scratch-resistant layer female die auxiliary part 105.
The third step: the thimble 113 is inserted into the thimble auxiliary element 115 and fixed by a bolt, and covers the thimble mounting cover 114, the thimble mounting cover 114 and the thimble auxiliary element 115 are fixed by a bolt, and the thimble 113, the thimble auxiliary element 115 and the thimble mounting cover 114 jointly form a thimble module. The thimble 113 is used for ejecting the finished product, and the thimble mounting cover 114 and the thimble auxiliary element 115 form a limiting block.
The fourth step: the male die auxiliary part 102 and the male die 103 are fixed by bolts and then sleeved in the ejector pin module, the ejector pin 113 is combined with the male die 103, finally, the male die mounting cover 101 is covered, the male die mounting cover 101 and the male die auxiliary part 102 are fixed by bolts, the male die mounting cover 101, the male die auxiliary part 102 and the male die 103 jointly enclose to form a movable cavity, the ejector pin module is embedded in the movable cavity, and the limiting block (consisting of the ejector pin mounting cover 114 and the ejector pin auxiliary part 115) can move back and forth in the movable cavity so as to drive the ejector pin 113 to move back and forth. The combined male die mounting cover 101, male die auxiliary member 102, male die 103 and ejector pin module compose the C module.
The fifth step: the third pin 111 and the fourth pin 112 are installed on the support layer master model 106, and the robot 131 and the robot 133 are installed on the left and right sides of the scratch-resistant layer master model 104. A mechanical arm 132 and a mechanical arm 134 are correspondingly installed on the left side and the right side of the anti-scratch layer female die auxiliary component 105, a traction device which drives the thimble 113 to slide along with the thimble installation cover 114 is installed on the thimble installation cover 114, and the traction device is a conventional traction device so as to realize a corresponding traction function.
And a sixth step: and combining the combined module A, the module B and the module C together and compressing.
(2) The injection mould is lifted to a machine table, and the mould is correspondingly connected with the mechanical arm and the traction device;
(3) preparing a first material injection machine and a second material injection machine, wherein the first material injection machine is added with glue of a scratch-resistant layer, the glue of the scratch-resistant layer is heated to be in a liquid state, the second material injection machine is added with glue of a supporting layer, and the glue of the supporting layer is heated to be in a liquid state;
(4) and (3) injection processing: a. and (3) closing the module A, the module B and the module C, firstly injecting glue on the glue scraping-resistant layer from the position of the material injection channel 119 of the scraping-resistant layer by using a first material injection machine, and cooling to ensure that the module A and the module C move back and forth and are loosened. The module B is kept in the original position, under the action of the first spring 120 and the second spring 121, the anti-scraping layer female die 104 and the anti-scraping layer female die auxiliary part 105 are bounced off, the glue of the anti-scraping layer injection channel 119 automatically breaks away from a recovery basket in the machine, and the injected glue is kept on the male die 103 to form a semi-finished product of the sizing foot-shaped cup, namely an anti-scraping layer sheet body;
b. the module B is horizontally moved through a mechanical arm, the module A and the module C are continuously combined together, the second material injection machine moves to the position of the supporting layer feeding channel 118, and glue of the supporting layer is injected, so that the glue of the supporting layer and the glue of the anti-scraping layer are combined together;
c. after cooling and shaping, a finished product of the foot-shaped cup, namely a heel stabilizing sleeve, is formed, then the module A and the module C are loosened, the support layer female die 106 and the support layer female die first auxiliary part 107 are bounced off under the action of the third spring 122 and the fourth spring 123, the support layer feeding channel 118 is automatically separated and falls into a recovery basket in the machine, and meanwhile, the ejector pin 113 is started and moves forwards to eject the finished product, so that the finished product falls into the finished product basket.
And then translating the module B back to the original position through a robot arm, closing the modules A, B and C, and repeating the steps a, B and C to produce the next finished product.
As a preferable embodiment, after the step (4), the heel stabilizing sleeve is placed in the interlayer of the vamp and the fabric, or the heel is directly attached to the surface of the vamp, and then the shoe with the heel stabilizing sleeve is placed in a mold of a freezing forming machine for heel forming, and the shape of the heel stabilizing sleeve is ensured to be matched with that of the shoe tree.
As a preferable embodiment, in step (2), in order to prevent the shrinkage and deformation of the finished product caused by thermal expansion and contraction after the material of the supporting layer 2 is injected onto the surface of the scratch-resistant layer 1, in order to facilitate the secondary processing, the position where the scratch-resistant layer 1 is combined with the supporting layer 2 is provided with density sizing columns, the diameter of each column is 2MM, the height of each column is consistent with the thickness of the corresponding position of the scratch-resistant layer 1, the distance between each column is more than 10MM, and a plurality of density sizing columns are formed on the connecting part of the scratch-resistant layer 1, and the distance between the density sizing columns is more than 10 MM.
The method for processing the heel stabilizing sleeve of the diabetic foot shoe is simple, combines the hard material (namely the supporting layer 2) and the soft material (namely the scratch-resistant layer 1), and is suitable for the diabetic foot shoe.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.

Claims (5)

1. The utility model provides a stable cover of heel of diabetes foot shoes which characterized in that: the shoe sole comprises a scratch-proof layer and a supporting layer which are connected together, wherein the position of a toe cap is a front side, the side opposite to the front side is a rear side, the scratch-proof layer is positioned on the front side of the supporting layer, the side opposite to two feet is an inner side, and the side opposite to the inner side is an outer side, the scratch-proof layer comprises an inner side piece, an outer side piece and a rear side piece which are integrally formed, the rear side piece is connected between the inner side piece and the outer side piece, the free end of the inner side piece extends forwards to the arch position along the length direction of the feet to form a reinforcing part for reinforcing the supporting strength of the arch position, the length of the inner side piece is at least 10mm longer than that of the outer side piece, the scratch-proof layer is divided into a scratch-proof part positioned above the most convex point of the heel and a connecting part positioned below the most convex point of the heel, the supporting layer is correspondingly arranged on the connecting part of, the hardness of the supporting layer is greater than that of the scratch-resistant layer.
2. The heel stabilizing sleeve of a diabetic foot shoe according to claim 1, wherein: the thickness of the scratch-resistant layer is 2-2.5MM, the hardness is more than 50-55 degrees A, the thickness of the supporting layer is 1.5-2MM, and the hardness is more than 70-75 degrees A correspondingly, or the thickness of the scratch-resistant layer is 2-2.5MM, the hardness is more than 65-70 degrees D, the thickness of the supporting layer is 1.5-2MM, and the hardness is more than 90-95 degrees D.
3. The heel stabilizing sleeve of a diabetic foot shoe according to claim 1, wherein: the anti-scraping layer is characterized in that a plurality of density material fixing columns are formed on the connecting portion of the anti-scraping layer, the distance between the density material fixing columns is more than 10mm, the supporting layer is connected to the anti-scraping layer in an overlapped mode through injection molding, the density material fixing columns are embedded into the supporting layer, and the height of each density material fixing column is matched with the thickness of the corresponding position of the anti-scraping layer.
4. A method of manufacturing a heel stabilizing sleeve according to claim 1, comprising the steps of:
(1) production of an injection mold: scanning the heel of the upper, designing a mold drawing for processing the heel stabilizing sleeve according to the three-dimensional space structure characteristic of the heel, and then processing and producing a corresponding injection mold according to the mold drawing;
the injection mould comprises a module A, a module B and a module C which are combined together in sequence in a movable mode;
(2) the injection mould is hung on the machine table, and the injection mould is correspondingly connected with the mechanical arm and the traction device;
(3) preparing a first material injection machine and a second material injection machine, wherein the first material injection machine is added with glue of a scratch-resistant layer, the glue of the scratch-resistant layer is heated to be in a liquid state, the second material injection machine is added with glue of a supporting layer, and the glue of the supporting layer is heated to be in a liquid state;
(4) and (3) injection processing: firstly, combining the module A, the module B and the module C, firstly, injecting glue for gluing the anti-scraping layer from a glue injection position of the anti-scraping layer by using a first material injection machine, moving and loosening the module A and the module C after cooling, and keeping the module B in the original position to obtain a semi-finished product for forming the sizing foot-shaped cup, namely an anti-scraping layer sheet body;
then the module B is horizontally moved, the module A and the module C are continuously combined together, and the second material injection machine moves to the glue injection position of the scratch-resistant layer to inject the glue of the supporting layer, so that the glue of the supporting layer and the glue of the scratch-resistant layer are combined together;
after cooling and shaping, a finished product of the foot-shaped cup, namely the heel stabilizing sleeve, is formed.
5. A method of manufacturing the heel stabilizing sleeve as set forth in claim 4, wherein: after the step (4), the heel stabilizing sleeve is placed in the interlayer of the vamp and the fabric, or the heel is directly attached to the surface of the vamp, then the shoe with the heel stabilizing sleeve is placed in a mold of a freezing forming machine for heel forming, and the shape of the heel stabilizing sleeve is ensured to be matched with that of the shoe tree.
CN201910941924.4A 2019-09-30 2019-09-30 Heel stabilizing sleeve of diabetic foot shoe and processing method thereof Pending CN110693131A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910941924.4A CN110693131A (en) 2019-09-30 2019-09-30 Heel stabilizing sleeve of diabetic foot shoe and processing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910941924.4A CN110693131A (en) 2019-09-30 2019-09-30 Heel stabilizing sleeve of diabetic foot shoe and processing method thereof

Publications (1)

Publication Number Publication Date
CN110693131A true CN110693131A (en) 2020-01-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910941924.4A Pending CN110693131A (en) 2019-09-30 2019-09-30 Heel stabilizing sleeve of diabetic foot shoe and processing method thereof

Country Status (1)

Country Link
CN (1) CN110693131A (en)

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