Shoemaking assembly line

Abstract

A shoemaking assembly line belongs to the field of shoemaking equipment and is composed of main machine equipment, front-section assembly line equipment, middle-section assembly line equipment, rear-section assembly line equipment and an auxiliary device, a hot air supply pipeline and an air return pipeline penetrate through the whole shoemaking assembly line, secondary hot air generated by a drying oven is circularly heated and used, and energy is saved. The rubber conveying belt and the chain conveying belt are in stepless speed change transmission, the waste gas absorption cover absorbs waste gas generated in the shoemaking process, centralized treatment is carried out, the quality of shoemaking products is guaranteed, and the environment quality is improved. The system control main cabinet of the host equipment is connected with the drying ovens in a wired or wireless bus communication mode and is connected to an Internet of Things platform through a network module, a computer can see dynamically transmitted production data reports at any place at any time, and the working state of the shoemaking assembly line can be checked or remotely controlled.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of shoemaking equipment, and particularly relates to a shoemaking assembly line of intelligent shoemaking process. BACKGROUND

[0002] In the traditional widely used shoemaking process assembly line, the heating in the processes such as bonding and shaping is generally achieved by using an electric heating infrared radiation scheme, which has low power factor, high power consumption, high cost, and great safety hazards due to the exposure of infrared heating lamp tubes, and the volatile compounds of the bonding agent are diffused in the workshop, which seriously pollutes the air in the workshop, and endangers the health of workers and hinders the development of high-end shoe products. SUMMARY

[0003] In order to solve the problems of backward shoemaking process, high energy consumption, poor labor environment, and difficulty in meeting the requirements of high-end shoe production quality, a shoemaking assembly line is developed.

[0004] A shoemaking assembly line is composed of main equipment, front-stage assembly line equipment, middle-stage assembly line equipment, rear-stage assembly line equipment, and auxiliary devices.

[0005] The main equipment is composed of a hot air furnace, a system control cabinet, a combustion machine, a hot air conveying pipeline, a return air pipeline, a hot air circulating induced draft fan, a smoke exhaust pipe, and a smoke exhaust induced draft fan, and the hot air conveying pipeline and the return air pipeline penetrate through the entire shoemaking assembly line.

[0006] The air outlet of the hot air circulating induced draft fan is connected to the hot air conveying pipeline through a hot air conveying pipeline branch pipe, and the air inlet of the hot air circulating induced draft fan is connected to the return air pipeline through a return air pipeline branch pipe, the instrument control interface of the system control cabinet can conveniently realize manual and automatic control, the system control cabinet of the main equipment is connected to each oven through wired bus or wireless bus communication, the main equipment is connected to the Internet of Things platform through a network module, and a computer can see the dynamic transmission of production data reports at any time and in any place, and the working state of the shoemaking assembly line can be viewed or remotely controlled through APP related software.

[0007] The flue gas generated by the combustion of the hearth of the hot air furnace is discharged to the outside through the smoke exhaust pipe and subjected to centralized treatment.

[0008] The front-stage assembly line equipment is composed of a bonding line, a first variable frequency gear reduction motor, a first control box, and a first rubber conveying belt, the instrument control interface on the first control box can conveniently realize manual and automatic control of the rotating speed of the first variable frequency gear reduction motor, so as to control the running speed of the first rubber conveying belt and meet the requirements of the shoemaking process.

[0009] The first rubber conveyor belt, the top of the oven can be easily installed related types of oven, oven hot air inlet through the hot air duct branch and hot air duct connected, oven secondary hot air outlet through the return air duct branch and return air duct connected, oven control box touch screen interface, its function has: target setting temperature, automatic mode, hot air mode, electric heating mode, strong mode, oven with single-chip microcomputer, control drive electric valve opening size, so as to adjust the hot air volume, automatic realization of the shoe process needs oven target setting temperature, realize the efficient secondary hot air recycling, improve the thermal efficiency, oven includes hot air circulation oven, heat setting hot air circulation oven, structure has single layer, double layer or left and right.

[0010] The first rubber conveyor belt, the top of the oven can be easily installed related types of oven, oven hot air inlet through the hot air duct branch and hot air duct connected, oven secondary hot air outlet through the return air duct branch and return air duct connected, oven control box touch screen interface, its function has: target setting temperature, automatic mode, hot air mode, electric heating mode, strong mode, oven with single-chip microcomputer, control drive electric valve opening size, so as to adjust the hot air volume, automatic realization of the shoe process needs oven target setting temperature, realize the efficient secondary hot air recycling, improve the thermal efficiency, oven includes hot air circulation oven, heat setting hot air circulation oven, structure has single layer, double layer or left and right.

[0011] The middle section of the pipeline equipment, by the complex bottom line, the second frequency conversion gear motor, the second control box, the second chain conveyor belt, the instrument control interface on the second control box can be easily realized manual and automatic control of the second frequency conversion gear motor speed, so as to control the running speed of the second chain conveyor belt, which can meet the requirements of shoe process.

[0012] The first rubber conveyor belt, the top of the oven can be easily installed related types of oven, oven hot air inlet through the hot air duct branch and hot air duct connected, oven secondary hot air outlet through the return air duct branch and return air duct connected, oven control box touch screen interface, its function has: target setting temperature, automatic mode, hot air mode, electric heating mode, strong mode, oven with single-chip microcomputer, control drive electric valve opening size, so as to adjust the hot air volume, automatic realization of the shoe process needs oven target setting temperature, realize the efficient secondary hot air recycling, improve the thermal efficiency, oven includes hot air circulation oven, heat setting hot air circulation oven, structure has single layer, double layer or left and right.

[0013] The second chain conveyor belt, the top of the oven is also provided with a waste gas absorption cover, which absorbs the waste gas generated in the process of shoe brushing glue, and discharges it to the outdoor and carries out centralized treatment.

[0014] The rear section of the pipeline equipment, by the arrangement line, the third frequency conversion gear motor, the third control box, the third rubber conveyor belt, the instrument control interface on the control box can be easily realized manual and automatic control of the third frequency conversion gear motor speed, so as to control the running speed of the third rubber conveyor belt, which can meet the requirements of shoe process.

[0015] The drying ovens of various types can be easily installed on the line above the third rubber conveyor belt. The hot air inlet of the drying oven is connected to the hot air supply duct through a branch pipe, and the secondary hot air outlet of the drying oven is connected to the return air duct through a branch pipe. The drying oven is equipped with a microcontroller to control the opening size of the drive electric valve, thereby adjusting the amount of hot air intake and automatically achieving the target set temperature of the drying oven required by the shoemaking process. This enables efficient and energy-saving recycling of the secondary hot air, improving thermal efficiency.

[0016] Above the third rubber conveyor belt and above the drying oven, there are also exhaust gas absorption hoods. The exhaust gas absorption hoods are equipped with fans to absorb the exhaust gas generated during the shoe-making glue application process, discharge it outdoors, and carry out centralized treatment.

[0017] The oven and exhaust gas absorption hood are modularly designed, with identical installation and connection dimensions and a series of length specifications. This allows for different durations of shoe and bag movement in and out of the oven, conveniently meeting the requirements of high-end shoe manufacturing processes. Ovens of different sizes and uses are represented by "oven plus -n" and "exhaust gas absorption hood plus -n", where n is a natural number.

[0018] The auxiliary equipment, consisting of lighting fixtures and auxiliary workstation tools, is installed at various process points on the shoe production line to ensure lighting at each workstation and meet the safety requirements of employees during process operations. Attached Figure Description

[0019] The accompanying drawings are merely embodiments of the present invention and are not intended to limit the scope of the invention.

[0020] Figure 1 For host device 1.

[0021] Figure 2 For the front-end assembly line equipment 2.

[0022] Figure 3 Equipment 3 for the middle section of the assembly line.

[0023] Figure 4 For the downstream assembly line equipment 4. Detailed Implementation

[0024] The technical solutions of the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] The application further discloses a shoe-making assembly line which comprises a main machine device 1, a front-stage assembly line device 2, a middle-stage assembly line device 3, a rear-stage assembly line device 4 and an auxiliary device 5.

[0026] The micro-nano emulsified fuel or natural gas or diesel is used as fuel, the combustion machine 103 sprays the liquid fuel into the hearth of the hot blast furnace 101 for combustion, the hot blast furnace 101 generates hot air, the temperature of the hot air is generally controlled at about 250 DEG C, the air outlet of the hot air circulating draught fan 106 is connected with the hot air duct 104 through a hot air duct branch, the air inlet of the hot air circulating draught fan 106 is connected with the return air duct 105 through a return air duct branch, the hot air generated by the hot blast furnace 101 is sent into the hot air duct 104 by the hot air circulating draught fan 106, the secondary hot air of the return air duct 105 is sent to the hot blast furnace 101 by the hot air circulating draught fan 106 to be reheated and reused, so that the waste heat in the hot air is maximally utilized, and the energy-saving and emission-reducing target is achieved.

[0027] The flue gas generated by the hearth combustion of the hot blast furnace 101 is discharged to the outside through the smoke exhaust draught fan 108 and the smoke exhaust chimney 107 and is centrally treated, the hot air duct 104 and the return air duct 105 penetrate through the whole shoe-making assembly line.

[0028] The communication mode between the system control general cabinet 102 of the main machine device 1 and the control boxes of the various baking ovens HX00 is connected in a wired bus or wireless bus mode to form an integral whole, the main machine device 1 is connected to the Internet of Things platform through a network module, the working time, the combustion ratio, the energy cumulative value, the target temperature setting value, the real-time temperature value, the wind speed value, the working state of the main machine device 1 and the target temperature setting value, the real-time temperature value and the valve opening value of the various baking ovens HX00 and the related data of the working state of the shoe-making assembly line are uploaded to the platform, and the working state of the shoe-making assembly line can be viewed or remotely controlled through APP related software.

[0029] The front-stage pipeline device 2 is composed of a clamping line 201, a first variable frequency gear reduction motor 202, a first control box 203, and a first rubber conveying belt 204. An oven HX00 is installed above the clamping line 201 and above the first rubber conveying belt 204. The hot air inlet of the oven HX00 is connected to the hot air pipeline 104 through a hot air pipeline branch, and the secondary hot air outlet of the oven HX00 is connected to the return air pipeline 105 through a return air pipeline branch. The oven HX00 is provided with a single-chip microcomputer to control the opening size of the electric valve, thereby adjusting the size of the suction hot air volume and automatically achieving the target setting temperature of the oven HX00 required by the shoemaking process. The instrument control interface on the first control box 203 can conveniently realize manual and automatic control of the rotating speed of the first variable frequency gear reduction motor 202, thereby controlling the running speed of the first rubber conveying belt 204, realizing the secondary hot air recycling with high efficiency and energy saving, and improving the thermal efficiency.

[0030] After the insole, the midsole, and the upper are brushed with white glue, they enter the clamping line 201 of the front-stage pipeline device 2. The running speed of the first rubber conveying belt 204 is set to 1.2 m / min. Two combined hot air circulation ovens HX00-1, a hot air circulation oven HX00-2, a hot air circulation oven HX00-3, and a hot setting oven HX00-4 are sequentially arranged above the first rubber conveying belt 204. The two combined hot air circulation ovens HX00-1 are heated to 120-150°C (the shoemaking process requires that the shoe bag be softened), and the shoe bag is formed into a complete shape by the front bonding machine. The complete shoe bag after the bonding machine enters the next hot air circulation oven HX00-2 and is heated to 100-120°C. After being heated, the shoe material is subjected to a pulling process. The complete shoe bag after the pulling process enters the next hot air circulation oven HX00-3 and is heated to 100-120°C. After being heated, the shoe bag enters the rear bonding machine to clamp the heel. After clamping the heel, the shoe bag is subjected to a hammering process and then enters the hot setting oven HX00-4 and is heated to 90-120°C for setting. After the shoe bag exits the hot setting oven HX00, it is subjected to a nail removal process and then enters the middle-stage pipeline device 3.

[0031] The shoemaking hot air ovens HX00-1, HX00-2, HX00-3, and HX00-4 are arranged above the first rubber conveying belt 204 on the re-soled line 301. A waste gas absorption cover Z00 is arranged above each of the ovens. The waste gas absorption cover Z00 is provided with an induced draft fan to absorb the waste gas generated during the shoemaking glue brushing process and discharge it to the outside for centralized treatment.

[0032] The middle section pipeline equipment 3 is composed of a second chain conveyor 304, a second control box 303, and a second variable frequency gear reduction motor 302. The instrument control interface on the second control box 303 can conveniently realize manual and automatic control of the rotating speed of the second variable frequency gear reduction motor 302, so as to control the running speed of the second chain conveyor 304, and meet the requirements of shoemaking process.

[0033] The shoe material is polished first, then the sole, the bottom brush treatment agent, and the surface brush treatment agent are matched, and then the shoe is placed on the second chain conveyor 304, the running speed is 1.2 m / min, a hot air circulating oven HX00-5 is arranged above the second chain conveyor 304, and the temperature is 80-90°C, which meets the requirements of the next process of glue brushing; the glue is brushed once, the hot air circulating oven HX00-6 is entered, the temperature is 80-90°C, the glue is brushed twice, and then the two combined hot air circulating ovens HX00-7 and HX00-8 are entered, the temperature is 80-90°C, the sole and the shoe bag are compounded into a whole shoe, the whole shoe is heated to 90-120°C through the hot air circulating oven HX00-9, the sole and the shoe bag are pressed to ensure that the sole does not fall off, and the shoe is put into the cold setting oven HX00-10 for setting, and then the shoe is taken out of the cold setting oven HX00-10, the last head is removed, and then the shoe is put into the rear section pipeline equipment 4.

[0034] The hot air circulating ovens HX00-5, HX00-6, HX00-7, HX00-8, HX00-9, and HX00-10 are arranged above the second chain conveyor 304, six waste gas absorption covers Z00 are arranged above the hot air circulating ovens, the waste gas absorption covers Z00 are provided with induced draft fans, the waste gas generated in the process of shoe brushing is absorbed, discharged to the outside, and treated.

[0035] The rear section pipeline equipment 4 is composed of a third rubber conveyor 404, a third control box 403, and a third variable frequency gear reduction motor 402. The instrument control interface on the third control box 403 can conveniently realize manual and automatic control of the rotating speed of the third variable frequency gear reduction motor 402, so as to control the running speed of the third rubber conveyor 404, and meet the requirements of shoemaking process.

[0036] The shoes after setting and removing the last head are put into the third rubber conveyor 404 of the pipeline, the speed of the third rubber conveyor 404 is 1.2 m / min, the shoes are put into the shoe heels, the shoes are brushed with yellow glue, and the shoes are pasted and heated, the hot air circulating oven HX00-11 is entered, the temperature is 60-80°C, the shoes are sequentially put into the shoe washing, acceptance, trademark pasting, shoe mold loading process, and the shoes are put into the shoe box after acceptance, and the process is completed.

[0037] Above the third rubber conveyor belt 404, the corresponding upper part of the oven HX00 is provided with a waste gas absorption cover Z00, which is provided with an induced draft fan to absorb the waste gas generated during the shoe glue brushing process, discharge it to the outside and conduct centralized treatment.

[0038] The auxiliary device 5, which is composed of a lighting lamp holder DJ00 and auxiliary work station equipment, is arranged at each process point on the shoe production line to ensure the lighting of each work station on the shoe production line and meet the safety requirements of the workers in process operation.

[0039] The shoe production line has the following technical advantages:

[0040] 1. The hot air supply pipeline and the return air pipeline run through the entire shoe production line, the secondary hot air generated after the use of the oven HX00 is recycled and heated for use, energy is saved, the conveyor belt is steplessly variable speed driven, the waste gas absorption cover absorbs the shoe glue brushing waste gas, discharges it to the outside and conducts centralized treatment, and the shoe product quality is ensured and the environmental quality is improved.

[0041] 2. The system control main cabinet of the main machine device 1 is connected with each oven HX00 through wired bus or wireless bus communication, the shoe production line is connected to the Internet of Things platform through the network module, the computer can see the dynamic transmission of production data reports at any time, and the working state of the shoe production line can be viewed or remotely controlled through the APP related software, which creates conditions for fine management.

[0042] A kind of shoe production line has been installed, debugged and run in Wenzhou for more than one year, and excellent results have been achieved in production practice:

[0043] 1. The secondary hot air is introduced into the hot air furnace 101 for re-heating, energy is recycled and utilized, energy consumption is reduced by 30%, and the purpose of energy saving and emission reduction is achieved.

[0044] 2. The circulating hot air is used instead of the traditional infrared lamp tube to heat the shoe production process, which solves the problem that the infrared light source directly radiates on the shoe bag, forms a specific area of the shoe bag surface with high temperature, and makes the shoe bag surface unevenly heated, which easily causes defects such as color difference, wrinkles, bubbles, glue flow, and uneven shrinkage of shoes. The above "common problems" in the shoe industry are effectively solved, the product quality is improved, the finished product qualification rate reaches 99.5%, and excellent results have been achieved.

Claims

1. A shoe manufacturing production line, comprising a main unit (1), a front-end production line unit (2), a middle-end production line unit (3), a rear-end production line unit (4), and auxiliary devices (5), characterized in that: The main equipment (1) consists of a hot air furnace (101), a system control cabinet (102), a burner (103), a hot air supply duct (104), a return air duct (105), a hot air circulation induced draft fan (106), a flue (107), and a flue gas exhaust fan (108). The outlet of the hot air circulation induced draft fan (106) is connected to the hot air supply duct (104) through a branch pipe of the hot air supply duct, and the inlet of the hot air circulation induced draft fan (106) is connected to the return air duct (105) through a branch pipe of the return air duct. The instrument control interface of the system control cabinet (102) can easily realize manual and automatic control. The flue gas generated by the combustion in the furnace of the hot air furnace (101) is discharged outdoors through the flue gas exhaust fan (108) and then enters the flue gas exhaust fan (107). Centralized treatment is carried out. The front-end assembly line equipment (2) consists of a clamping line (201), a first variable frequency gear reduction motor (202), a first control box (203), and a first rubber conveyor belt (204). A drying oven (HX00) of a certain type can be conveniently installed on the clamping line (201) and above the first rubber conveyor belt (204). The hot air inlet of the drying oven (HX00) is connected to the hot air pipeline (104) through a hot air branch pipe. The secondary hot air outlet of the drying oven is connected to the return air pipeline (105) through a return air pipeline branch pipe. An exhaust gas absorption hood (Z00) is also installed above the drying oven (HX00) above the first rubber conveyor belt (204). The exhaust gas absorption hood (Z00) is equipped with an induced draft fan to absorb the exhaust gas generated during the shoe-making glue application process and discharge it outdoors for treatment. The centralized treatment, the middle section assembly line equipment (3) consists of a double bottom line (301), a second variable frequency gear reducer motor (302), a second control box (303), and a second chain conveyor belt (304). A suitable type of oven (HX00) can be conveniently installed on the double bottom line (301) and above the second chain conveyor belt (304). The hot air inlet of the oven (HX00) is connected to the hot air duct (104) via a hot air branch pipe. The secondary hot air outlet of the oven is connected to the return air duct (105) via a return air branch pipe. A corresponding exhaust gas absorption hood (Z00) is also installed above the oven (HX00) above the second chain conveyor belt (304). The rear section assembly line equipment (4) consists of a sorting line (401), a third variable frequency gear reducer motor (402), and a third variable frequency gear reducer motor (403). 2) The third control box (403) and the third rubber conveyor belt (404) are composed of a sorting line (401) and a third rubber conveyor belt (404). The oven (HX00) of the relevant type can be conveniently installed on the sorting line (401) and above the third rubber conveyor belt (404). The hot air inlet of the oven (HX00) is connected to the hot air pipe (104) through the hot air branch pipe. The secondary hot air outlet of the oven is connected to the return air pipe (105) through the return air pipe branch pipe. The exhaust gas absorption hood (Z00) is also installed above the oven (HX00) above the third rubber conveyor belt (404) at the corresponding position. The auxiliary device (5) is composed of a lighting fixture (DJ00) and auxiliary work station equipment. It is set at each process point on the shoe production line to ensure the lighting of each work station on the shoe production line and meet the safety requirements of the employees' process operation.

2. A shoe manufacturing production line according to claim 1, characterized in that: The hot air supply duct (104) and the return air duct (105) run through the entire shoe production line.

3. A shoe manufacturing production line according to claim 1, characterized in that: The system control cabinet (102) of the main unit (1) is connected to each oven (HX00) via wired or wireless bus communication. The main unit (1) connects the shoe production line to the Internet of Things platform through the network module. The computer can see the dynamic transmission of production data reports at any time from anywhere. The working status of the shoe production line can be viewed or remotely controlled through the APP related software.

4. A shoe manufacturing production line according to claim 1, characterized in that: The instrument control interface on the first control box (203) can easily realize manual and automatic control of the speed of the first variable frequency gear reduction motor (202), thereby controlling the running speed of the first rubber conveyor belt (204) and meeting the requirements of shoe manufacturing process.

5. A shoe manufacturing production line according to claim 1, characterized in that: The oven (HX00) is equipped with a microcontroller to control the opening size of the electric valve, thereby adjusting the hot air volume and automatically achieving the oven temperature required for shoemaking processes. This enables efficient and energy-saving secondary hot air recycling, improving thermal efficiency.

6. A shoe manufacturing production line according to claim 1, characterized in that: The instrument control interface on the second control box (303) can easily realize manual and automatic control of the speed of the second variable frequency gear reduction motor (302), thereby controlling the running speed of the second chain conveyor belt (304) and meeting the requirements of shoe manufacturing process.

7. A shoe manufacturing production line according to claim 1, characterized in that: The instrument control interface on the third control box (403) can easily realize manual and automatic control of the speed of the third variable frequency gear reduction motor (402), thereby controlling the running speed of the third rubber conveyor belt (404) and meeting the requirements of shoe manufacturing process.

8. A shoe manufacturing production line according to claim 1, characterized in that: The oven (HX00) and exhaust gas absorption hood (Z00) are modularly designed with identical installation and connection dimensions and serialized length. This allows for different durations of shoe and bag movement in and out of the oven, conveniently meeting the requirements of high-end shoe manufacturing processes. Ovens (HX00) of different sizes and uses are referred to as oven (HX00-n) and exhaust gas absorption hood (Z00-n), where n is a natural number.

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