CN101214714B - Rubber shoe compression molding forming machine iron feet heating system and iron feet - Google Patents
Rubber shoe compression molding forming machine iron feet heating system and iron feet Download PDFInfo
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- CN101214714B CN101214714B CN2008103000012A CN200810300001A CN101214714B CN 101214714 B CN101214714 B CN 101214714B CN 2008103000012 A CN2008103000012 A CN 2008103000012A CN 200810300001 A CN200810300001 A CN 200810300001A CN 101214714 B CN101214714 B CN 101214714B
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Abstract
The invention provides an iron foot heating system for a rubber shoe pressure forming machine. Electrical heating tubes are arranged inside the front part of the iron foot and the heel of the iron foot so that the pressure forming machine can heat rubber shoes on double faces. The invention also provides an iron foot having a heating system, which comprises a front part (1) and a heel (4). An electrical heating tube (2) is arranged inside the front part (1) of the iron foot. The electrical heating tube (2) is connected with an amperemeter (7) outside the iron foot through a wire (3) passing through a wire passage (12). An electrical heating tube (5) is arranged inside the heel of the iron foot (4). The electrical heating tube (5) is connected with an amperemeter (7) outside the iron foot through a wire (6) passing through a wire passage (12), and is connected with an external power supply to heat the iron foot. The invention reduces the curing time of rubber shoes, improves the curing efficiency, thus improving the production efficiency. In addition, the quality of the mould pressed rubber shoes and the percent of pass of products are improved, thus reducing the production cost.
Description
Technical field
The present invention relates to the rubber overshoes shoe-making field, particularly relate to a kind of iron feet heating system and a kind of iron pin of rubber shoe compression molding forming machine with heating system.
Background technology
Iron pin in the existing rubber shoe compression molding forming machine (or claiming iron pin shoe last or hat block) parts do not have heating system, and the temperature of iron pin is to rely on other heater block of compression molding forming machine to conduct heat, and the temperature of iron pin is generally at 80～90 ℃.The structure of existing this compression molding forming machine iron feet parts makes that the glue component of rubber overshoes only is that one side is conducted heat, promptly bed die and the Bian Mo by compression molding forming machine provides thermal source, the surface temperature of iron pin is low, the cure time of rubber overshoes is just long, the curing cycle of a general moulded footwear is 14～15 minutes/, production efficiency is low, and the substandard products that produced are many, and the stability of rubber overshoes physical property is also poor.
Summary of the invention
Technical problem to be solved by this invention is the low and shoes vulcanization inefficiency that causes of iron pin surface temperature, a kind of rubber shoe compression molding forming machine iron feet heating system and a kind of iron pin with heating system are provided, method of the present invention is simple, sizing material parts to moulded footwear carry out two-sided heating, can shorten the cure time of rubber overshoes greatly, enhance productivity.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
Rubber shoe compression molding forming machine iron feet heating system of the present invention is in iron ball of foot and iron heel electric heating tube to be installed.So just can pass through electric heater for heating iron pin, to the two-sided heating of sizing material parts of moulded footwear, rely on the technology that other parts conduct heat to compare with existing iron pin, this heating system can shorten the cure time of rubber overshoes greatly, make the rubber overshoes fast shaping, enhance productivity.
Above the rated power of used electric heating tube preferably select 250W.If the rated power of electric heating tube is excessive, easily produce temperature control error, promptly rate of heat delivery improves, and can cause upper of a shoe to burn out because of temperature drift; Rated power is too small, rate of heat addition deficiency, and temperature-compensating efficient is low, and increase is undertaken to digital display thermometer, and digital display thermometer is perishable, can increase maintenance cost.
According to the requirement of shoes vulcanization speed, iron ball of foot and iron heel temperature inside are controlled at 135 ℃～155 ℃.This temperature is to be installed in the show value that iron pin temperature inside detector passes to digital display thermometer.
Wherein, a kind of installation method of electric heating tube is: horizontal dress electric heating tube is one in the iron ball of foot, the perforate of iron ball of foot electrical heated pipings clicks in the fixing chute outside of iron pin, the electric heating tube conduit wall is apart from iron pin surface 35 ± 1mm, the electric heating tube passage is distributed in iron pin middle, heating current is 3.5～4.0A, and the surface temperature of control iron ball of foot is 125 ℃～128 ℃; One of electric heating tube vertically is installed in the iron heel, electric heating tube conduit wall top is apart from iron pin surface 40 ± 1mm, the electric heating tube passage is distributed in iron pin middle, and it is close or identical with outer periphery distance in the iron heel, apart from iron heel bottom surface end 40 ± 1mm, so just can guarantee the required temperature stabilization of the calcaneal efficiency of heating surface of iron and footwear glue thickness, the heating current of electric heating tube is 3.5～5.0A, and the calcaneal surface temperature of control iron is 135 ℃～140 ℃; Described surface temperature is to measure at distance iron pin 80cm place with infrared thermometer.
A kind of iron pin with heating system, comprise iron ball of foot 1 and iron heel 4, electric heating tube 2 is housed in iron ball of foot 1, electric heating tube 2 is by the ammeter 7 that connects iron pin outside by the electric wire 3 of cable channel 12, electric heating tube 5 is housed in iron heel 4, and electric heating tube 5 is by the ammeter 7 that connects iron pin outside by the electric wire 6 of cable channel 12.Connect external power source, electric heating tube heats the iron pin.
In order to survey iron pin temperature inside, hygrosensor 8 is housed in iron ball of foot 1, hygrosensor 8 is connected the digital display thermometer 10 of iron pin outside by cable channel 12 by electric wire 9.Whether the iron pin is heated by digital display thermometer 10 controls, iron pin temperature inside passes to digital display thermometer 10 by hygrosensor 8, when surpassing the temperature of setting, the temperature of digital display thermometer 10 disconnects, stop heating, when the temperature of digital display thermometer 10 is lower than the temperature of setting, connect, the iron pin is continued heating.
Wherein, hygrosensor 8 is apart from electric heating tube conduit wall 10 ± 0.5mm, and the angle of hygrosensor and electric heating tube is 25 °.
In iron pin outside, ammeter 7 links to each other with digital display thermometer 10, and digital display thermometer 10 links to each other with external power source by transformer 11.
In the present invention, electric heating tube in the iron pin and hygrosensor must be controlled in place and angle:
1, the position of electric heating tube is defined as in the iron ball of foot: (1) electric heating tube conduit wall is apart from iron pin surface 35 ± 1mm, and (2) electric heating tube passage is distributed in the middle of the iron ball of foot, and close or identical with iron pin peripheral distance.(3) perforate of iron ball of foot electrical heated pipings click in the iron pin fixedly the chute outside be to guarantee the on average even precondition that is distributed in iron ball of foot middle of electric heating tube, if perforate is in the fixing chute inboard of iron pin, then do not reach the effect of equiblibrium mass distribution, can cause iron pin temperature distributing disproportionation weighing apparatus.
2, the electric heating tube position is defined as in the iron heel: (1) electric heating tube conduit wall top is apart from iron pin surface 40 ± 1mm, (2) the electric heating tube passage is distributed in iron heel middle, and identical with outer periphery distance in the iron heel, apart from iron heel bottom surface end 40 ± 1mm.(3) the required temperature stabilization of the iron heel efficiency of heating surface and footwear glue thickness just can be guaranteed in this position.
3, determining of hygrosensor position: (1) hygrosensor conduit wall is apart from electric heating tube conduit wall 10 ± 0.5mm, (2) hygrosensor length fix and with the fixed angle of electric heating tube be 25 ° of angles, the temperature of measurement detector has been represented iron pin surface temperature signal like this.(3) hygrosensor direction in the iron ball of foot, be chosen for heel heart line parallel with the iron foot plate surface, and be in the fixedly chute outside (right side that the left side that right iron pin makes progress for the iron foot plate surface, left iron pin make progress for the iron foot plate surface) of front and back iron pin, be parallel to iron ball of foot bottom surface and install, and the vertical range of itself and electric heating tube is 10 ± 0.5mm.
Electric heating tube surpasses 40mm apart from iron pin surface, and then iron pin surface temperature and hygrosensor control point temperature difference increase, and temperature-compensating speed is slow, needs to increase the caloric value of electric heating tube, can shorten the service life of electric heating tube, increases production cost.Less than 40mm, then the iron pin reduces the resiliency of electric heater for heating amount electric heating tube apart from iron pin surface, and the iron pin surface temperature near apart from electric heating tube is higher than other position, and the temperature fall at each position, whole iron pin surface is very big, reduces thermal balance, forms waste.
The screening of each parameter in the iron pin heating process:
Background: the glue component thickness of (1) iron ball of foot sulfuration is lower than the glue component thickness of iron heel sulfuration, (2) in identical cure time, sulfuration heel glue component needs higher temperature, otherwise under the uniform temp condition, in the identical cure time, the half sole glue component reaches normal sulfuration and there is undervulcanization phenomenon in heel; (3) the iron heel needs higher temperature-compensating speed than iron ball of foot.
Data screening: 135 ℃～155 ℃ of (1) digital display thermometer show values: temperature be lower than 135 ℃ then the shoes vulcanization time to prolong, temperature is higher than 155 ℃ and then causes upper of a shoe to burn out.(2) iron pin have only a digital display thermometer to control, and require the half sole and the heel of iron pin are carried out Synchronization Control, to realize that also the iron ball of foot is different with iron heel surface temperature, realize the synchronic curing of rubber overshoes half sole and heel glue component, so iron pin surface temperature requires half sole to be lower than heel, finishing this temperature, then to require the heating current value be that heel is than half sole height.(3) confirm through test: iron ball of foot surface temperature is 125 ℃～128 ℃, when iron heel surface temperature is 135 ℃～140 ℃, meets the shoes vulcanization requirement, neither produces and burns out upper of a shoe, and sulfuration efficient is in highest level again, and the glue component physical property is optimum.Iron ball of foot surface temperature is lower than 125 ℃, when iron heel surface temperature is lower than 135 ℃, sulfuration efficient is low; Iron ball of foot surface temperature is higher than 130 ℃, iron heel surface temperature and is higher than 140 ℃, and that rubber overshoes half sole sizing material physical property becomes is bad, the iron heel can produce upper of a shoe and burn out.When (4) heating current of electric heating tube was lower than 3.5A, the temperature conservation rate on iron pin surface was low, instability, and sulfuration efficient is low, defect rate is high; When the heating current of half sole electric heating tube is higher than 4.0A, the temperature height on this iron pin surface, the easy over cure of glue component, physical property reduces; When the heating current of heel electric heating tube is higher than 5.0A, the temperature height on this iron pin shoe last or hat block surface, the easy over cure of glue component, physical property reduces.
Compared with prior art, the present invention installs electric heating tube in the iron pin, iron pin quick heating, preheating time is short, temperature control precision is high and stable, sizing material parts to rubber overshoes carry out two-sided heating, shorten cure time, the sulfuration efficient of grand master pattern moulding footwear make-up machine is 14～15 minutes consuming time of every rubber overshoes, every rubber overshoes only need 6～7.5 minutes consuming time after adopting the present invention, improved sulfuration efficient, thereby enhance productivity, simultaneously can also improve the quality and the product percent of pass of moulded footwear, thereby reduce production costs.Method of the present invention is simple, and obtained effect is remarkable, and easy to maintenance, and maintenance cost is low, has the excellent popularization using value.
Description of drawings
Fig. 1 is the front view of iron pin of the present invention;
Fig. 2 is the vertical view of iron pin of the present invention;
Fig. 3 is an iron pin heating control system flow chart;
Description of drawings: 1, iron ball of foot, 2, electric heating tube, 3, electric wire, 4, the iron heel, 5, electric heating tube, 6, electric wire, 7, ammeter, 8, hygrosensor, 9, electric wire, 10, digital display thermometer, 11, transformer, 12, cable channel.
The specific embodiment
Embodiment 1: can carry out two-sided heating in order to make rubber overshoes when vulcanizing, the present invention installs electric heating tube in rubber shoe compression molding forming machine iron feet half sole and iron heel.So just can pass through electric heater for heating iron pin, to the two-sided heating of sizing material parts of moulded footwear, rely on the technology that other parts conduct heat to compare with existing iron pin, this heating system can shorten the cure time of rubber overshoes greatly, make the rubber overshoes fast shaping, enhance productivity.
According to the sulfuration requirement of rubber overshoes, preferably selecting rated power is the electric heating tube of 250W, and iron ball of foot and iron heel temperature inside are controlled at 135 ℃～155 ℃.Horizontal dress electric heating tube is one in the iron ball of foot, and the electric heating tube conduit wall is apart from iron pin surface 35 ± 1mm, and the electric heating tube passage is distributed in iron pin middle, and heating current is 3.5～4.0A, and the surface temperature of control iron ball of foot is 125 ℃～128 ℃; One of electric heating tube vertically is installed in the iron heel, the electric heating tube conduit wall is apart from iron pin surface 40 ± 1mm, the electric heating tube passage is distributed in iron pin middle, and it is close with outer periphery distance in the iron heel, apart from iron heel bottom surface end 40 ± 1mm, heating current is 3.5～5.0A, and the calcaneal surface temperature of control iron is 135 ℃～140 ℃; Described surface temperature is measured at distance iron pin 80cm place with infrared thermometer.
As depicted in figs. 1 and 2, according to the designed a kind of iron pin of above-mentioned requirements with heating system, comprise iron ball of foot 1 and iron heel 4, electric heating tube 2 is housed in iron ball of foot 1, electric heating tube 2 is by the ammeter 7 that connects iron pin outside by the electric wire 3 of cable channel 12, electric heating tube 5 is housed in iron heel 4, and electric heating tube 5 is by the ammeter 7 that connects iron pin outside by the electric wire 6 of cable channel 12.Hygrosensor 8 is housed in iron ball of foot 1, and hygrosensor 8 is connected the digital display thermometer 10 of iron pin outside by cable channel 12 by electric wire 9.Hygrosensor 8 is apart from electric heating tube conduit wall 10 ± 0.5mm, and the angle of hygrosensor and electric heating tube is 25 °.In iron pin outside, ammeter 7 links to each other with digital display thermometer 10, and digital display thermometer 10 links to each other with external power source by transformer 11.
The workflow of heating system: connect external power source, is the human safety voltage by transformer with voltage-regulation, transformer connects digital display thermometer, digital display thermometer is in connected state when beginning to heat, digital display thermometer is connecting adjustable ammeter, and is by the heating current of electric heating tube in the size control iron pin of regulating electric current, stable to guarantee the rate of heat addition, prevented heating, and connected electric heating tube by adjustable ammeter the iron pin is heated.Iron pin temperature inside can pass to digital display thermometer by the hygrosensor that is installed in the iron pin, when iron pin temperature inside is higher than the temperature of setting, digital display thermometer will automatic disconnection, stop the iron pin is heated, when iron pin temperature inside is lower than the temperature of setting, digital display thermometer will be connected automatically, the iron pin is continued heating, thereby the internal temperature of iron pin is remained in the scope of setting.
In order to survey iron pin temperature inside, whether the iron pin is heated by digital display thermometer 10 controls, when iron pin temperature inside passes to digital display thermometer 10 by hygrosensor 8, when surpassing the temperature of setting, the temperature of digital display thermometer 10 disconnects, stop heating, when the temperature of digital display thermometer 10 is lower than the temperature of setting, connect, the iron pin is continued heating.
At 80cm place, distance iron pin surface, use the hand held infrared thermometer, to survey the temperature on iron pin surface.
Embodiment 2: can carry out two-sided heating in order to make rubber overshoes when vulcanizing, the present invention has installed electric heating tube in rubber shoe compression molding forming machine iron feet half sole and iron heel.So just can pass through electric heater for heating iron pin, to the two-sided heating of sizing material parts of moulded footwear, rely on the technology that other parts conduct heat to compare with existing iron pin, this heating system can shorten the cure time of rubber overshoes greatly, make the rubber overshoes fast shaping, enhance productivity.Specifically as shown in Figure 1: the iron pin that has heating system, comprise iron ball of foot 1 and iron heel 4, electric heating tube 2 is housed in iron ball of foot 1, electric heating tube 2 is by the ammeter 7 that connects iron pin outside by the electric wire 3 of cable channel 12, electric heating tube 5 is housed in iron heel 4, and electric heating tube 5 is by the ammeter 7 that connects iron pin outside by the electric wire 6 of cable channel 12.Connect external power source, electric heating tube heats the iron pin.
Claims (1)
1. rubber shoe compression molding forming machine iron feet heating system, it is characterized in that: in iron ball of foot and iron heel, electric heating tube is installed, horizontal dress electric heating tube is one in the iron ball of foot, and the perforate of iron ball of foot electrical heated pipings clicks in the fixing chute outside of iron pin, and heating current is 3.5～4.0A; One of electric heating tube vertically is installed in the iron heel, the electric heating tube passage is close or identical with the interior outer periphery distance of iron heel, the heating current of electric heating tube is 3.5～5.0A, the surface temperature of control iron ball of foot is 125 ℃～128 ℃, described surface temperature is measured at distance iron pin 80cm place with infrared thermometer, the calcaneal surface temperature of control iron is 135 ℃～140 ℃, and described surface temperature is measured at distance iron pin 80cm place with infrared thermometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103000012A CN101214714B (en) | 2008-01-02 | 2008-01-02 | Rubber shoe compression molding forming machine iron feet heating system and iron feet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103000012A CN101214714B (en) | 2008-01-02 | 2008-01-02 | Rubber shoe compression molding forming machine iron feet heating system and iron feet |
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| Publication Number | Publication Date |
|---|---|
| CN101214714A CN101214714A (en) | 2008-07-09 |
| CN101214714B true CN101214714B (en) | 2010-12-08 |
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| CN2008103000012A Active CN101214714B (en) | 2008-01-02 | 2008-01-02 | Rubber shoe compression molding forming machine iron feet heating system and iron feet |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104354258B (en) * | 2014-11-06 | 2017-03-29 | 际华三五一五皮革皮鞋有限公司 | A kind of electrical heating stamped metal foot |
| CN105252685A (en) * | 2015-11-14 | 2016-01-20 | 际华三五一五皮革皮鞋有限公司 | Iron foot heel heating die |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472062A (en) * | 2002-08-02 | 2004-02-04 | 纪正贤 | Producing method for elastic sole edge integral shape three-dimensional outline |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472062A (en) * | 2002-08-02 | 2004-02-04 | 纪正贤 | Producing method for elastic sole edge integral shape three-dimensional outline |
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Address after: 550025 No. 1 Qingxi Road, Huaxi District, Guiyang City, Guizhou Province Patentee after: Jihua 3537 Co.,Ltd. Address before: 550025 No. 1 Qingxi Road, Huaxi District, Guiyang City, Guizhou Province Patentee before: JIHUA 3537 SHOE-MAKING Co.,Ltd. |
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Address after: 550025 No. 1 Qingxi Road, Huaxi District, Guizhou, Guiyang Patentee after: Jihua Shoes Industry Co.,Ltd. Address before: 550025 No. 1 Qingxi Road, Huaxi District, Guizhou, Guiyang Patentee before: Jihua 3537 Co.,Ltd. |
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