CN114052335B - Iron plate baking, nail pulling and die changing integrated equipment - Google Patents

Abstract

The invention discloses an integrated device for baking iron plate, drawing nails and replacing molds, which comprises a baking iron plate mechanism, a drawing nails mechanism and a mold replacing mechanism, wherein the baking iron plate mechanism and the drawing nails mechanism are combined, the integrated device for baking iron plate, drawing nails and replacing molds has the dual functions of heating a primary assembly part of a shoe midsole and an upper and automatically drawing nails, the baking iron plate mechanism and the drawing nails mechanism can share a base, the space is saved, the baking iron plate mechanism and the drawing nails mechanism can work simultaneously, the production efficiency is improved, the problem that the shoe sole support piece needs to be replaced after one product is finished, the baking iron plate mechanism and the drawing nails mechanism stop working, the mold replacing mechanism replaces the shoe sole support piece, then the baking iron plate mechanism and the drawing nails mechanism continue to work, and the integrated device for baking iron plate, drawing nails and replacing molds can be automatically carried out through a central controller, so that the degree of automation is further improved.

Description

Iron plate baking, nail pulling and die changing integrated equipment

Technical Field

The invention relates to shoemaking equipment, in particular to iron plate baking, nail pulling and die changing integrated equipment.

Background

In the manufacturing process of shoes, the baking iron plate, the nail pulling and the die changing are completed at three stations, three stations are required to be operated by three persons, particularly the nail pulling and the die changing stations are manually operated, time and labor are wasted, the efficiency is low, meanwhile, the occupied space of the three stations is large, a lot of workshop area is wasted, equipment which can combine the baking iron plate, the nail pulling and the die changing is urgently needed in the manufacturing industry of shoes at present, the functions of heating the baking iron plate, the nail pulling and the die changing automatically are realized, the factory building space and the labor are saved, the automation degree is improved, the production efficiency is improved, and the cost is reduced.

Disclosure of Invention

The invention provides an integrated device for baking iron plate, drawing nails and die changing, which is used for solving the technical problems that the baking iron plate, drawing nails and die changing work in three stations, the drawing nails and die changing are performed manually, time and labor are wasted, the efficiency is low, no device which can combine the three stations of baking iron plate, drawing nails and die changing is provided, the device with two functions of heating and drawing nails at the same time is realized, and the device can automatically change the die.

According to one aspect of the invention, there is provided an integrated apparatus for baking iron, drawing nails and changing molds, which is arranged on a base, and the base is provided with a supporting frame, and the integrated apparatus for baking iron, drawing nails and changing molds comprises an iron plate baking mechanism, a nail drawing mechanism and a mold changing mechanism;

the iron plate baking mechanism comprises:

the shoe tree positioning mechanism comprises a positioning cylinder, a positioning plate, a shoe tree positioning column and a shoe tree pressing column, wherein the positioning cylinder is fixedly connected with the support frame, the upper end face of the positioning plate is fixedly connected with a telescopic shaft of the positioning cylinder, the first end of the shoe tree positioning column is fixedly connected with the lower end face of the positioning plate, the second end of the shoe tree positioning column is provided with a positioning head, the second end of the positioning head is movably connected with the second end of the shoe tree positioning column through a pin, a first gap is arranged between the positioning head and the shoe tree positioning column, the first gap is used for a movable gap for the positioning head to shake on the shoe tree positioning column, the positioning head is used for fixing a shoe tree, the first end of the shoe tree pressing column is fixedly connected with the lower end face of the positioning plate, and the second end of the shoe tree pressing column is used for pressing the shoe tree;

Shoe tree supporting mechanism, shoe tree supporting mechanism includes heel support piece and shoe sole support piece, heel support piece sets firmly on the base, the heel support piece is corresponding with the position of shoe tree reference column, the up end of heel support piece is the plane for support shoe tree's heel part, be equipped with heating element in the heel support piece, be used for heating heel support piece, shoe sole support piece sets firmly on the base, shoe sole support piece is corresponding with the position of shoe tree compression column, shoe sole support piece up end is equipped with the recess, the recess is used for holding and supporting the sole part of shoe tree, be equipped with heating element in the shoe sole support piece, be used for heating shoe sole support piece.

The nail pulling mechanism is arranged in the base, at least one nail pulling mechanism is arranged in the base, each nail pulling mechanism comprises a pneumatic parallel opening clamp and a first linear module, each pneumatic parallel opening clamp comprises a nail pulling cylinder and a nail pulling clamp vertically arranged on the nail pulling cylinder, the nail pulling cylinders are used for controlling the opening and closing of the nail pulling clamps, the nail pulling clamps correspond to the positions of the spikes in the vertical direction, the pneumatic parallel opening clamp is fixedly connected with a sliding table of the first linear module, the first linear module is fixedly connected with the base, and the sliding table of the first linear module can move up and down along the vertical direction.

The die changing mechanism comprises:

the linear guide rail is fixedly connected with the base, and the length direction of the linear guide rail is perpendicular to the length direction of the sole support piece;

the cylinder fixing frame is arranged on the linear guide rail and is in sliding connection with the linear guide rail, a moving plate and at least one guide post are arranged in the cylinder fixing frame, the guide post is arranged in the vertical direction, and the moving plate can move up and down along the guide post in the cylinder fixing frame;

the first die change cylinder is horizontally arranged and is parallel to the linear guide rail, the cylinder body of the first die change cylinder is fixedly connected with the base, and the piston rod of the first die change cylinder is fixedly connected with the cylinder fixing frame;

the second die change cylinder is arranged along the vertical direction, the cylinder body of the second die change cylinder is fixedly connected with one of the cylinder fixing frame or the moving plate, and the piston rod of the second die change cylinder is fixedly connected with the other one of the cylinder fixing frame or the moving plate;

the cylinder body of the third die changing cylinder is fixedly arranged on the moving plate;

the clamping mechanism is fixedly connected with a piston rod of the third die changing cylinder and comprises a double piston rod cylinder and two clamping pieces, the piston rods at two ends of the double piston rod cylinder are respectively and fixedly connected with one clamping piece, and positioning parts are respectively arranged in the opposite directions of the two clamping pieces and used for fixing the shoe sole supporting pieces.

Further, the die changing mechanism is provided with a position control mechanism, the position control mechanism is used for controlling the position of the cylinder fixing frame on the linear guide rail, the position control mechanism comprises a sensing switch and a three-position five-way electromagnetic valve, and the sensing switch is arranged below the linear guide rail;

after the inductive switch senses the position of the cylinder, a signal is sent to the central processing unit, and the central processing unit receives the position signal and then controls the first die changing cylinder to stop through the three-position five-way electromagnetic valve.

Further, the die changing mechanism further comprises a first workbench and a second workbench, the first workbench is used for placing shoe sole supporting pieces to be replaced, preheating parts are arranged in the first workbench and used for preheating the standby shoe sole supporting pieces, the second workbench is used for placing the shoe sole supporting pieces after being used, the first workbench and the second workbench are arranged between the linear guide rail and the third workbench, and the third workbench is the fixing position of the shoe sole supporting pieces.

Further, the nail pulling mechanism is a group, the nail pulling mechanism further comprises a second linear module and a third linear module, a sliding table of the second linear module is fixedly connected with the first linear module, a sliding table of the second linear module can move left and right along the horizontal direction, a first end of the second linear module is fixedly connected with a sliding table of the third linear module, a second end of the second linear module is slidably connected with the base, a sliding table of the third linear module and a second end of the second linear module can move back and forth along the horizontal direction, and the third linear module is fixedly connected with the base;

The pneumatic parallel opening pliers, the first linear module, the second linear module and the third linear module move according to instruction information sent by the central processing unit.

Further, the instruction information sent by the central controller is the position information of the spikes, and the position information of the spikes is the position information of the spikes collected by the central processor in the nailing process.

Further, a limit block is arranged on the heel support piece, at least part of the limit block is higher than the plane of the upper end face of the heel support piece, the limit block can slide in the heel support piece, and when the shoe last positioning column is pressed with the heel support piece, the limit block is pressed into the heel support piece.

Further, the shoe tree supporting mechanism further comprises an adjusting cylinder, a cylinder body of the adjusting cylinder is fixedly connected with one of the shoe sole supporting piece or the heel supporting piece, a piston rod of the adjusting cylinder is fixedly connected with the other one of the shoe sole supporting piece or the heel supporting piece, and the adjusting cylinder is used for adjusting the distance between the shoe sole supporting piece and the heel supporting piece.

Further, the shoe tree positioning mechanism further comprises a motor adjusting mechanism, the motor adjusting mechanism is used for adjusting the pressure of the shoe tree pressing column to the shoe tree, the first end of the motor adjusting mechanism is fixedly connected with the lower end face of the positioning plate, and the telescopic shaft of the second end of the motor adjusting mechanism is fixedly connected with the first end of the shoe tree pressing column.

Further, the motor adjusting mechanism comprises an adjusting motor and a lifting assembly, the adjusting motor is fixed on the lifting assembly, the lifting assembly is fixedly connected with the lower end face of the positioning plate, the lifting assembly comprises a turbine and a screw rod, and the screw rod is fixedly connected with the first end of the shoe tree compacting column;

wherein, the adjusting motor drives the screw rod to move up and down through the turbine.

Further, the shoe tree positioning mechanism also comprises a pressure sensor, wherein the pressure sensor is fixedly arranged at the second end of the shoe tree pressing column and is used for detecting the pressure of the shoe tree pressing column on the shoe tree;

when the pressure is higher than the set pressure threshold, the motor adjusting mechanism is adjusted to reduce the pressure of the shoe tree pressing column to the shoe tree, and when the pressure is lower than the set pressure threshold, the motor adjusting mechanism is adjusted to increase the pressure of the shoe tree pressing column to the shoe tree.

Further, the heel support and the sole support are respectively provided with a temperature sensor, and the temperature sensors are used for detecting the temperatures of the heel support and the sole support;

wherein, when the temperature is higher than the threshold value of the set temperature, the heating part stops heating, and when the temperature is lower than the threshold value of the set temperature, the heating part starts heating.

The invention has the beneficial effects that:

The invention combines the iron plate baking mechanism and the nail pulling mechanism, the iron plate baking, nail pulling and mould changing integrated equipment has the dual functions of heating the primary assembly parts of the shoe midsole and the shoe upper and automatically pulling nails, the iron plate baking mechanism and the nail pulling mechanism share one base and one support frame, the space is saved, the iron plate baking mechanism and the nail pulling mechanism can work simultaneously, the production efficiency is improved, the problem that manual nail pulling is time-consuming and labor-consuming is solved, when a product is finished, the shoe sole support piece needs to be replaced, the iron plate baking mechanism and the nail pulling mechanism stop working, the mould changing mechanism replaces the shoe sole support piece, then the iron plate baking mechanism and the nail pulling mechanism continue to start working, and the iron plate baking, nail pulling and mould changing integrated equipment can be automatically carried out through the central controller, so that the degree of automation is further improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

FIG. 1 is a schematic perspective view of an integrated iron plate baking, nail pulling and die changing device according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a last positioning mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic perspective view of a last positioning mechanism according to a second embodiment of the present invention;

FIG. 4 is a front view of a positioning head according to an embodiment of the present invention;

FIG. 5 is a schematic perspective view of a last support mechanism according to an embodiment of the present invention;

FIG. 6 is a schematic perspective view of a sole support according to an embodiment of the present invention;

FIG. 7 is a schematic perspective view of a nail pulling mechanism according to another embodiment of the present invention;

FIG. 8 is a schematic perspective view of a pneumatic parallel split-gate pliers according to one embodiment of the present invention;

FIG. 9 is a schematic perspective view of a mold changing mechanism according to an embodiment of the present invention;

FIG. 10 is a schematic perspective view of a mold changing mechanism according to another embodiment of the present invention;

in the figure: 101-a base; 102-supporting frames; 11-a last support mechanism; 110-a heel support; 1101-limiting block; 111-a sole support; 1110-grooves; 1111—a baseline; 112-heating the part; 12-a shoe last positioning mechanism; 120-positioning a cylinder; 121-positioning plates; 122-last positioning columns; 1220-positioning head; 1221-a first gap; 1222-locating pins; 123-a last compacting column; 1230-a compaction head; 1231-second gap; 124-adjusting the motor; 3-a nail pulling mechanism; 30-pneumatic parallel split pliers; 301-nail pulling pliers; 302, a nail pulling cylinder; 303-U-shaped opening; 31-a first linear module; 32-a second linear module; 33-a third linear module; 4-a die changing mechanism; 41-linear guide rail; 42-cylinder fixing frame; 421-guide post; 422-a moving plate; 431-a first die change cylinder; 432-a second die change cylinder; 433-a third die changing cylinder; 434—a double piston rod cylinder; 44-a first work table; 45-a second workbench; 46-a third workbench; 47-inductive switch; 48-gear shifter.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present invention, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present invention.

In this application, teppanyaki refers to the application of heat and force to press the midsole and upper assembly together during the shoe making process.

The mold changing device referred to in the present invention is a device for changing the sole support 111, and does not refer to all molds or jigs in general.

Referring to fig. 1, an embodiment of an integrated apparatus for baking iron plate, drawing nails and die changing according to the present invention is shown.

The integrated equipment of the teppanyaki, the nail pulling and the die changing is arranged on a base 101, a supporting frame 102 is arranged on the base, and the integrated equipment of the teppanyaki, the nail pulling and the die changing comprises a teppanyaki mechanism, a nail pulling mechanism 3 and a die changing mechanism 4;

the teppanyaki mechanism includes a last positioning mechanism 12 and a last supporting mechanism 11.

Referring to fig. 2 and 3, the last positioning mechanism 12 includes a positioning cylinder 120, a positioning plate 121, a last positioning column 122 and a last pressing column 123, where the positioning cylinder 120 is fixedly connected with the support frame 102, four corners of the positioning cylinder 120 are provided with guiding columns, the guiding columns play a guiding role on the movement of the telescopic shaft of the positioning cylinder 120, ensuring the accuracy of the movement direction of the positioning cylinder 120, the upper end surface of the positioning plate 121 is fixedly connected with the telescopic shaft of the positioning cylinder 120, the fixed connection can be realized through threads, the first end of the last positioning column 122 is fixedly connected with the lower end surface of the positioning plate 121, the second end of the last positioning column 122 is used for fixing a last, the first end of the last pressing column 123 is fixedly connected with the lower end surface of the positioning plate 121, and the second end of the last pressing column 123 is used for pressing a last or an upper on a last.

The positioning cylinder 120 may be an oil cylinder or a telescopic motor, so long as the telescopic shaft drives the positioning plate 121 to move up and down.

The shoe last supporting mechanism 11 comprises a heel supporting member 110 and a sole supporting member 111, the heel supporting member 110 is fixedly arranged on the base 101, the heel supporting member 110 corresponds to the shoe last positioning column 122 in position, the upper end face of the heel supporting member 110 is a plane for supporting the heel part of the shoe last, and a heating part 112 is arranged in the heel supporting member 110 and used for heating the heel supporting member 110, and the heating part 112 can be a heating rod, a heating wire or a heating pipe and the like.

Referring to fig. 5, a sole support 111 is fixedly disposed on the base 101, the sole support 111 corresponds to the position of the last pressing post 123, a groove 1110 is disposed on an upper end surface of the sole support 111, the groove 1110 is used for accommodating and supporting a sole portion of a last, and a heating element 112 is disposed in the sole support 111 for heating the sole support 111, wherein the heating element 112 may be a heating rod, a heating wire or a heating tube.

Preferably, temperature sensors are respectively provided on the heel support 110 and the sole support 111 for controlling the temperatures of the heel support 110 and the sole support 111, when the temperatures of the heel support 110 and the sole support 111 are higher than a threshold value of a set temperature, the central processing unit controls the heating part 112 to stop heating after receiving the high temperature signal, and when the temperatures of the heel support 110 and the sole support 111 are lower than the threshold value of the set temperature, the central processing unit controls the heating part 112 to start heating after receiving the low temperature signal.

Referring to fig. 1, 7 and 8, the nail pulling mechanism 3 is disposed in the base, at least one group of nail pulling mechanisms 3 is provided, each group of nail pulling mechanism 3 includes a pneumatic parallel opening clamp 30 and a first linear module 31, the pneumatic parallel opening clamp 30 includes a nail pulling cylinder 302 and a vertically installed nail pulling clamp 301, a U-shaped opening 303 is provided at the upper end of the nail pulling cylinder 302, two movable handles of the nail pulling clamp 301 are installed in the U-shaped opening 303, the nail pulling cylinder 302 controls the two movable handles to move in the U-shaped opening 303, so as to control the opening and closing of the nail pulling clamp 301, the nail pulling clamp 301 corresponds to the position of the shoe nail in the vertical direction, the pneumatic parallel opening clamp 30 is fixedly connected with a sliding table of the first linear module 31, the first linear module 31 is fixedly connected with the base, and the sliding table of the first linear module 31 can move up and down along the vertical direction.

The first linear module 31 may be a synchronous belt type linear module or a ball screw linear module.

Referring to fig. 9 and 10, the integrated sole nailing and retooling apparatus further includes a retooling mechanism 4, the retooling mechanism 4 is disposed on the base 101, and the retooling mechanism 4 includes:

the linear guide rail 41, the linear guide rail 41 is horizontally arranged and fixedly connected with the base 101, and the length direction of the linear guide rail 41 is perpendicular to the length direction of the sole support 111;

The cylinder fixing frame 42, the cylinder fixing frame 42 is arranged on the linear guide rail 41 and is in sliding connection with the linear guide rail 41, a moving plate 422 and at least one guide post 421 are arranged in the cylinder fixing frame 42, the guide post 421 is arranged along the vertical direction, and the moving plate 422 can move up and down along the guide post 421 in the cylinder fixing frame 42;

the first die changing cylinder 431 is horizontally arranged and parallel to the linear guide rail 41, the cylinder body of the first die changing cylinder 431 is fixedly connected with the base 101, and the piston rod of the first die changing cylinder 431 is fixedly connected with the cylinder fixing frame 42;

the second die changing cylinders 432 are arranged in the vertical direction, the cylinder bodies of the second die changing cylinders 432 are fixedly connected with one of the cylinder fixing frames 42 or the moving plates 422, the piston rods of the second die changing cylinders 432 are fixedly connected with the other one of the cylinder fixing frames 42 or the moving plates 422, and preferably two second die changing cylinders 432 are arranged on the top surface of the cylinder fixing frame 42;

the third die changing cylinder 433, the cylinder body of the third die changing cylinder 433 is fixedly arranged on the movable plate 422;

the clamping mechanism is fixedly connected with a piston rod of the third die changing cylinder 433, and comprises a double piston rod cylinder 434 and two clamping pieces, piston rods at two ends of the double piston rod cylinder 434 are respectively fixedly connected with one clamping piece, positioning parts are respectively arranged in opposite directions of the two clamping pieces, and the positioning parts are used for fixing the shoe sole supporting pieces 111.

After the midsole and the upper are assembled together on the shoe last after being glued, a certain pressure is applied while the shoe last is fixed through the shoe last positioning mechanism 12 and the shoe last supporting mechanism 11, the heel supporting piece 110 and the shoe sole supporting piece 111 are internally provided with the heating parts 112, and meanwhile the heel supporting piece 110 and the shoe sole supporting piece 111 are heated, so that the midsole and the upper are pressurized while being heated, the midsole and the upper can be bonded at a higher temperature, and the bonding effect of the midsole and the upper is better.

In the invention, the shoe tree is fixed by the shoe tree positioning mechanism and the shoe tree supporting mechanism, the nail pulling mechanism 3 moves upwards to the position of the shoe nail under the drive of the first linear module 31, the nail pulling cylinder 302 drives the nail pulling clamp 301 to open, then under the combined action of the first linear module 31 and the nail pulling cylinder 302, the nail pulling clamp 301 is folded to clamp the shoe nail, and the first linear module 31 moves downwards to drive the nail pulling clamp 301 to pull the shoe nail. According to the invention, the function of automatically pulling nails is realized through the combined action of the first linear module 31 and the nail pulling cylinder 302, and a set of nail pulling mechanism 3 can be arranged vertically below each nail, so that the problem that the nails are not pulled out can be avoided, and meanwhile, the whole cycle of shoe manufacturing is shortened due to high automatic nail pulling efficiency.

The mold changing mechanism 4 controls the direction through three mold changing cylinders, the first mold changing cylinder 431 controls the left and right moving direction of the mold, the second mold changing cylinder 432 controls the up and down moving direction of the mold, the third mold changing cylinder 433 controls the front and back moving direction of the mold, the clamping mechanism clamps and loosens the mold, namely the sole support 111 under the control of the double piston rod cylinder 434, and through the linkage of the four cylinders, the automatic replacement of the mold, namely the sole support 111 is realized, the manual operation is not needed, the labor and time are saved, and the production efficiency is also improved.

The invention combines the iron plate baking mechanism and the nail pulling mechanism 3, the iron plate baking, nail pulling and mould changing integrated equipment has the dual functions of heating the primary assembly parts of the shoe midsole and the shoe upper and automatically pulling nails, the iron plate baking mechanism and the nail pulling mechanism 3 can share one base 101 and one supporting frame 102, the space is saved, the iron plate baking mechanism and the nail pulling mechanism 3 can work simultaneously, the problem of low efficiency is solved, the problem of time and labor waste caused by manual nail pulling is solved, when a product is finished, the shoe sole supporting piece 111 needs to be replaced, the iron plate baking mechanism and the nail pulling mechanism 3 stop working, the mould changing mechanism 4 replaces the shoe sole supporting piece 111, then the iron plate baking mechanism and the nail pulling mechanism 3 continue to work, and the iron plate baking, nail pulling and mould changing integrated equipment can be automatically carried out through a central controller, so that the degree of automation is further improved.

Further, referring to fig. 7, the nail pulling mechanism 3 includes only one group, the nail pulling mechanism 3 further includes a second linear module 32 and a third linear module 33, a sliding table of the second linear module 32 is fixedly connected with the first linear module 31, a sliding table of the second linear module 32 can move left and right along a horizontal direction, a first end of the second linear module 32 is fixedly connected with a sliding table of the third linear module 33, a second end of the second linear module 32 is slidably connected with the base, a sliding table of the third linear module 33 and a second end of the second linear module 32 can move back and forth along the horizontal direction, and the third linear module 33 is fixedly connected with the base;

the movements of the pneumatic parallel opening pliers 30, the first linear module 31, the second linear module 32 and the third linear module 33 are performed according to instruction information sent by the central processing unit.

The second and third linear modules 32 and 33 may be synchronous belt type linear modules or ball screw linear modules.

Through the combined action of three linear modules, namely a first linear module 31, a second linear module 32 and a third linear module 33, the three-dimensional space movement of the nail pulling clamp 301 is realized, the first linear module 31 controls the up-and-down movement of the nail pulling clamp 301, the second linear module 32 controls the left-and-right movement of the nail pulling clamp 301, the third linear module 33 controls the front-and-back movement of the nail pulling clamp 301, the position of the nail pulling clamp 301 can be adjusted according to instruction information sent by a central processing unit through the combined action of the three linear modules, the nail pulling action is performed, the nail pulling mechanism 3 only needs to be used for pulling a plurality of nails, the positions of the nails do not need to be fixed, and strict requirements on the positions of the nails in the nailing step can be simplified.

Further, the instruction information sent by the central controller is the position information of the spikes, and the position information of the spikes is the position information of the spikes collected by the central processor in the nailing process.

In the nailing process, the central processing unit can receive and store the position information of the nailing, when the nailing is pulled out, the central processing unit sends instructions to the three linear modules and the nailing cylinder 302 according to the position information of the nailing, the movements of the three linear modules and the nailing cylinder 302 are controlled, the nailing is pulled out, the position of the nailing is avoided by utilizing the position information of the nailing, the information is accurate, and the workload of equipment is reduced.

Further, the sole nail pulling mechanism 3 further comprises a metal object detection positioner, and the instruction information sent by the central controller is the position information of the spikes detected by the metal object detection positioner.

When sole nail pulling equipment is used independently, a metal object detection positioner can be arranged in the sole nail pulling mechanism 3 and used for detecting nails on soles and sending detected position information to a central controller, and the central controller sends instructions to three linear modules and the nail pulling cylinder 302 according to the detected position information to control the movements of the three linear modules and the nail pulling cylinder 302 so as to achieve nail pulling.

Further, a spike collecting box is arranged in the sole spike removing mechanism 3 and is used for collecting the pulled spike, and the pulled spike can be uniformly stored and then uniformly processed after the spike collecting box is arranged.

Further, a second end of the last positioning column 122 is provided with a positioning head 1220, the second end of the positioning head 1220 is matched with the last positioning column 122, a bump is arranged on the second end of the positioning head 1220, a groove corresponding to the bump shape of the positioning head 1220 is arranged on the second end of the last positioning column 122, and the bump on the positioning head 1220 and the groove of the last positioning column 122 are fixed through pins.

Preferably, referring to fig. 4, a positioning pin 1222 is disposed at a first end of the positioning head 1220, and the positioning pin 1222 is matched with a positioning hole of a shoe last, and a front end of the positioning pin 1222 is in a shape of a truncated cone, so that the positioning pin 1222 is convenient to align with the positioning hole when being matched.

Preferably, a first gap 1221 is provided between the positioning head 1220 and the last positioning post 122, and the positioning head 1220 can shake within a certain range under the control of the slot, so as to facilitate the alignment of the positioning pin 1222 with the positioning hole.

Further, the second end of the last pressing post 123 is provided with a pressing head 1230, the first end of the pressing head 1230 is used for pressing the last or the upper, the second end of the pressing head 1230 is matched with the second end of the last pressing post 123, the pressing head 1230 is provided with a bump, the second end of the last pressing post 123 is provided with a groove corresponding to the bump of the pressing head 1230, the bump on the pressing head 1230 and the groove of the last pressing post 123 are fixed through pins, a second gap 1231 is arranged between the pressing head 1230 and the last pressing post 123, the pressing head 1230 can shake in a small amplitude within the range controlled by the groove, the pressing range of the pressing head 1230 can be enlarged, and even if the position of the last is deviated, the good pressing can be realized.

Preferably, the first end of the compression head 1230 is made of at least a flexible material that protects the last or upper.

Further, the bump at the second end of the pressing head 1230 may be replaced by a cylinder, at least part of which extends into the second end of the last pressing post 123 and can slide in the last pressing post 123, and an elastic member, preferably a spring, is disposed between the pressing head 1230 and the last pressing post 123, and when the last pressing post 123 and the sole support 111 are pressed together, the spring provides a certain buffer for the upper pressure of the last, so as to prevent the last pressing post 123 from damaging the last and the upper due to excessive pressure.

Further, referring to fig. 5, a stopper 1101 is provided on the heel support 110, and the stopper 1101 is used for limiting the heel in the length direction of the shoe last, and since the shoe last is provided with the primarily glued midsole and upper, the heel of the shoe last rests on the stopper 1101 after being placed on the plane of the upper end surface of the heel support 110, thereby realizing the limitation of the shoe last in the re-length direction.

The stopper 1101 is at least partially higher than the plane of the upper end surface of the heel support 110, the stopper 1101 can slide in the heel support 110, an elastic member, preferably a spring, is arranged between the stopper 1101 and the heel support 110, when the sole support 111 and the shoe last positioning column 122 are in an open state, the stopper 1101 is at least partially higher than the sole support 111 under the pushing of the spring force, when the shoe last positioning column 122 moves downwards under the driving of the positioning cylinder 120, the shoe last positioning column 122 presses the stopper 1101 into the heel support 110, after the heating and pressing of the midsole and the upper are completed, the shoe last positioning column 122 is lifted, and the stopper 1101 is again higher than the sole support 111 under the pushing of the spring force to prepare for the next positioning.

Further, as shown in fig. 6, a reference line 1111 is provided in the groove 1110 of the upper end surface of the sole support 111, the reference line 1111 is used as an alignment reference for placing the shoe last, the reference line 1111 is an alignment line of the edge of the shoe last, and the position of the shoe last in the width direction is ensured after the shoe last is placed along the alignment line.

Further, the two reference lines 1111 are used for the alignment reference of the left shoe last and the other for the alignment reference of the right shoe last, and the left and right reference lines 1111 are used, so that the same sole support 111 can be used as a right shoe last support or a left shoe last support, the number of sole supports 111 is reduced, the cost is saved, the time for replacing the sole supports 111 is saved, and the working efficiency is improved.

The stopper 1101 is adopted to limit the length direction of the shoe tree, the reference line 1111 is adopted to limit the width direction of the shoe tree, the approximate position of the shoe tree is basically ensured, and then the shoe tree is accurately positioned through automatic alignment of the positioning pin 1222 and the positioning head 1220.

Further, the last supporting mechanism 11 further includes an adjusting cylinder, a cylinder body of the adjusting cylinder is fixedly connected with one of the sole support 111 or the heel support 110, a piston rod of the adjusting cylinder is fixedly connected with the other of the sole support 111 or the heel support 110, and when the piston rod of the adjusting cylinder moves in the cylinder body, the distance between the sole support 111 and the heel support 110 can be adjusted.

The distance between the sole support 111 and the heel support 110 is adjusted by adjusting the cylinder, so that the shoes with different numbers can be adapted, when the shoes with small numbers are needed, the distance between the sole support 111 and the heel support 110 is adjusted to be small, when the shoes with large numbers are needed, the distance between the sole support 111 and the heel support 110 is adjusted to be large, and the shoes with various sizes are manufactured on the same sole support 111 and the heel support 110.

Further, the shoe last positioning mechanism 12 further includes a motor adjusting mechanism, the motor adjusting mechanism is used for adjusting the pressure of the shoe last pressing column 123 on the shoe last, a first end of the motor adjusting mechanism is fixedly connected with the lower end face of the positioning plate 121, and a telescopic shaft of a second end of the motor adjusting mechanism is fixedly connected with the first end of the shoe last pressing column 123.

Preferably, the motor adjusting mechanism comprises an adjusting motor 124 and a lifting assembly, the adjusting motor 124 is fixed on the lifting assembly, the lifting assembly is fixedly connected with the lower end face of the positioning plate 121, the lifting assembly comprises a turbine and a screw rod, the screw rod is fixedly connected with the first end of the shoe tree compacting column 123, and the adjusting motor 124 drives the screw rod to move up and down through the turbine.

Of course, the motor adjusting mechanism may also be an adjusting motor 124 and a crankshaft, and the crankshaft converts the circular motion of the shaft of the adjusting motor 124 into a linear motion, which are all in the prior art and are not described herein again.

The pressure of the last pressing post 123 against the last can be adjusted by the motor adjusting mechanism 124.

Further, the last positioning mechanism 12 further comprises a pressure sensor, which is fixedly arranged at the second end of the last pressing post 123 or the first end of the pressing head 1230, and is used for detecting the pressure of the last pressing post 123 to the last.

When the pressure is higher than the set pressure threshold, the motor adjusting mechanism 124 reduces the pressure of the shoe last pressing column 123 to the shoe last after the central processing unit receives the high pressure signal of the pressure sensor, and when the pressure is lower than the set pressure threshold, the motor adjusting mechanism 124 increases the pressure of the shoe last pressing column 123 to the shoe last after the central processing unit receives the low pressure signal of the pressure sensor.

Through the cooperation work of motor adjustment mechanism and pressure sensor, can be with shoe tree compress tightly the pressure control of post 123 to the shoe tree in a reasonable scope, avoid too big damage to shoe tree and upper of a shoe of pressure, also avoided too little pressure not tight shoe tree of pressure, make upper of a shoe and shoes insole's heating effect not good.

Further, the outer surface of the second end of the last pressing post 123 is provided with a flexible material, which can protect the last and the upper.

Further, referring to fig. 9, the mold changing mechanism 4 is provided with a position control mechanism for controlling the position of the cylinder fixing frame 42 on the linear guide 41.

Preferably, the position control mechanism includes a sense switch 47 and a three-position five-way solenoid valve;

when the inductive switch 47 senses the position of the cylinder, a signal is sent to the central processing unit, and the central processing unit controls the cylinder to stop through the three-position five-way electromagnetic valve after receiving the position signal, and the inductive switch 47 can be a magnetic switch, a proximity switch, a limit switch or a photoelectric switch.

Preferably, the first mold changing cylinder 431 is a two-stroke cylinder or a rodless cylinder.

The position of the cylinder fixing frame 42 on the linear guide rail 41 can be controlled by the position control mechanism, and when the position of the sole support 111 on the base 101 is adjusted, the corresponding position control mechanism is adjusted, so that the sole support 111 can be automatically replaced.

Further, referring to fig. 10, the mold changing mechanism 4 further includes a first working table 44, the first working table 44 is used for placing the sole support 111 to be changed, a preheating part is disposed in the first working table 44, the preheating part is used for preheating the standby sole support 111, the first working table 44 is disposed between the linear guide 41 and the third working table 46 of the sole support 111, and the third working table 46 is a fixed position of the sole support 111.

Further, a first positioning column is fixedly arranged on the upper surface of the first workbench 44, and the first positioning column is matched with a corresponding positioning hole of the sole support 111.

If the mold changing device and the iron plate baking process are used together, if the sole support 111 is directly placed on the third workbench 46, the sole support 111 is cold, the production can be continued until the sole support 111 is heated to the set temperature in the third workbench 46, the whole production line can be stopped for a long time, the first workbench 44 is arranged in the first workbench 44, the sole support 111 to be replaced can be preheated before the sole support 111 is replaced, the temperature of the preheated sole support 111 basically reaches the set temperature, the production line basically does not need to wait for the production, and even if the temperature of the preheated sole support 111 deviates slightly from the set temperature, the production line can also wait for a short time.

By arranging the first positioning column, the first positioning column is matched with the corresponding positioning hole of the sole support 111, so that the preheated sole support 111 and the first workbench 44 are positioned quickly and accurately.

Further, referring to fig. 10, the mold changing mechanism 4 further includes a second working table 45, the second working table 45 is used for placing the used sole support 111, the second working table 45 is disposed between the linear guide 41 and a third working table 46 of the sole support 111, and the third working table 46 is a fixed position of the sole support 111.

Further, a second positioning column is fixedly arranged on the upper surface of the second workbench 45, and the second positioning column is matched with a corresponding positioning hole of the sole support 111.

When a product is finished, the sole support 111 needs to be replaced, the mold changing mechanism 4 needs to remove the sole support 111 in the third workbench 46 before replacing other types of sole supports 111, the second workbench 45 is arranged to facilitate the mold changing mechanism 4 to store the replaced sole support 111 nearby, after the mold changing mechanism 4 finishes replacing the sole support 111 on the third workbench 46, the production line starts to run after the replaced sole support 111 is processed, the time for replacing the sole support 111 is shortened, the waiting time of the production line is reduced, and the working efficiency is improved.

By arranging the second positioning column, the second positioning column is matched with the corresponding positioning hole of the sole support 111, so that the sole support 111 and the second workbench 45 can be positioned quickly and accurately.

The three inductive switches 47 are three, the three inductive switches 47 are respectively matched with a three-position five-way electromagnetic valve and a first die changing cylinder 431 to control three positions of the cylinder fixing frame 42 on the linear guide rail 41, the first position corresponds to the first workbench 44, the second position corresponds to the second workbench 45, and the third position corresponds to the third workbench 46.

When the inductive switch 47 senses the position of the cylinder, a signal is sent to the central processing unit, and the central processing unit receives the position signal and then controls the first die changing cylinder 431 to stop through the three-position five-way electromagnetic valve.

Further, the positioning part is at least two columns which are arranged in parallel, and the columns are perpendicular to the positioning part.

The two clamping pieces are provided with a plurality of positioning columns, the sole support piece 111 is provided with corresponding positioning holes, and the sole support piece 111 can not turn over in the process of taking and placing the sole support piece 111 by arranging the plurality of positioning columns, so that the stability is high.

Through the arrangement of the first workbench 44, the second workbench 45 and the third workbench 46 together form a workbench group, when the shoe sole support 111 needing to be preheated needs to be replaced, the standby shoe sole support 111 is put into the first workbench 44 in advance for preheating, when the shoe sole support 111 needs to be replaced, the die changing mechanism 4 takes out the shoe sole support 111 of the third workbench 46 according to instructions of the CPU, puts the shoe sole support 111 on the second workbench 45, and then puts the preheated shoe sole support 111 into the third workbench 46, so that the function of automatically replacing the shoe sole support 111 by the die changing mechanism 4 is realized.

If the sole support 111 does not need to be heated in the production process, such as rounding, nail pulling, etc., the heating function of the first table 44 may be turned off, and the first table 44 becomes the second table on which the sole support 111 to be replaced is placed.

The gear shifters 48 are respectively arranged at the two ends of the linear guide rail 41, and the cylinder fixing frame 42 stops moving after touching the gear shifters 48 at the two ends, so that the cylinder fixing frame 42 is prevented from falling off the linear guide rail 41, and the die change mechanism 4 is protected.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The integrated device for baking iron plate, drawing nails and replacing molds is arranged on a base, and a supporting frame is arranged on the base, and is characterized by comprising a baking iron plate mechanism, a nail drawing mechanism and a mold replacing mechanism;

the iron plate baking mechanism comprises:

the shoe tree positioning mechanism comprises a positioning cylinder, a positioning plate, a shoe tree positioning column and a shoe tree pressing column, wherein the positioning cylinder is fixedly connected with the support frame, the upper end face of the positioning plate is fixedly connected with a telescopic shaft of the positioning cylinder, the first end of the shoe tree positioning column is fixedly connected with the lower end face of the positioning plate, the second end of the shoe tree positioning column is provided with a positioning head, the second end of the positioning head is movably connected with the second end of the shoe tree positioning column through a pin, a first gap is formed between the positioning head and the shoe tree positioning column, the first gap is used for a movable gap for the positioning head to shake on the shoe tree positioning column, the positioning head is used for fixing the shoe tree, the first end of the shoe tree pressing column is fixedly connected with the lower end face of the positioning plate, and the second end of the shoe tree pressing column is used for pressing the shoe tree;

The shoe tree supporting mechanism comprises a heel supporting piece and a shoe sole supporting piece, wherein the heel supporting piece is fixedly arranged on the base, the heel supporting piece corresponds to the shoe tree positioning column in position, the upper end face of the heel supporting piece is a plane and is used for supporting the heel part of a shoe tree, a heating part is arranged in the heel supporting piece and is used for heating the heel supporting piece, the shoe sole supporting piece is fixedly arranged on the base, the shoe sole supporting piece corresponds to the shoe tree compacting column in position, the upper end face of the shoe sole supporting piece is provided with a groove, the groove is used for accommodating and supporting the shoe sole part of the shoe tree, and a heating part is arranged in the shoe sole supporting piece and is used for heating the shoe sole supporting piece;

the nail pulling mechanism is arranged in the base, at least one group of nail pulling mechanisms is arranged, each group of nail pulling mechanism comprises a pneumatic parallel opening clamp and a first linear module, each pneumatic parallel opening clamp comprises a nail pulling cylinder and a nail pulling clamp vertically arranged on the nail pulling cylinder, the nail pulling cylinders are used for controlling the nail pulling clamp to open and close, the nail pulling clamp corresponds to the position of a shoe nail in the vertical direction, the pneumatic parallel opening clamp is fixedly connected with a sliding table of the first linear module, the first linear module is fixedly connected with the base, and the sliding table of the first linear module can move up and down along the vertical direction;

The die changing mechanism comprises:

the linear guide rail is fixedly connected with the base, and the length direction of the linear guide rail is perpendicular to the length direction of the sole support piece;

the cylinder fixing frame is arranged on the linear guide rail and is in sliding connection with the linear guide rail, a moving plate and at least one guide pillar are arranged in the cylinder fixing frame, the guide pillar is arranged in the vertical direction, and the moving plate can move up and down along the guide pillar in the cylinder fixing frame;

the first die change cylinder is horizontally arranged and is parallel to the linear guide rail, the cylinder body of the first die change cylinder is fixedly connected with the base, and the piston rod of the first die change cylinder is fixedly connected with the cylinder fixing frame;

the second die change cylinder is arranged along the vertical direction, the cylinder body of the second die change cylinder is fixedly connected with one of the cylinder fixing frame or the moving plate, and the piston rod of the second die change cylinder is fixedly connected with the other one of the cylinder fixing frame or the moving plate;

the cylinder body of the third die changing cylinder is fixedly arranged on the moving plate;

The clamping mechanism is fixedly connected with a piston rod of the third die changing cylinder and comprises a double piston rod cylinder and two clamping pieces, piston rods at two ends of the double piston rod cylinder are respectively and fixedly connected with one clamping piece, positioning parts are respectively arranged in the opposite directions of the two clamping pieces, and the positioning parts are used for fixing shoe sole supporting pieces;

the nail pulling mechanism is a group, the nail pulling mechanism further comprises a second linear module and a third linear module, the sliding table of the second linear module is fixedly connected with the first linear module, the sliding table of the second linear module can move left and right along the horizontal direction, the first end of the second linear module is fixedly connected with the sliding table of the third linear module, the second end of the second linear module is in sliding connection with the base, the sliding table of the third linear module and the second end of the second linear module can move back and forth along the horizontal direction, and the third linear module is fixedly connected with the base;

the pneumatic parallel opening pliers, the first linear module, the second linear module and the third linear module move according to instruction information sent by the central processing unit;

The instruction information sent by the central processing unit is the position information of the spikes, and the position information of the spikes is the position information of the spikes collected by the central processing unit in the nailing process.

2. The integrated iron plate baking, nail pulling and die changing device according to claim 1, wherein the die changing mechanism is provided with a position control mechanism, the position control mechanism is used for controlling the position of the cylinder fixing frame on the linear guide rail, the position control mechanism comprises an inductive switch and a three-position five-way electromagnetic valve, and the inductive switch is arranged below the linear guide rail;

and after the inductive switch senses the position of the cylinder, a signal is sent to the central processing unit, and the central processing unit receives the position signal and then controls the first die changing cylinder to stop through the three-position five-way electromagnetic valve.

3. The integrated iron plate baking, nail pulling and die changing device according to claim 1, wherein the die changing mechanism further comprises a first workbench and a second workbench, the first workbench is used for placing a shoe sole support piece to be replaced, a preheating part is arranged in the first workbench and used for preheating the standby shoe sole support piece, the second workbench is used for placing the shoe sole support piece after use, the first workbench and the second workbench are arranged between the linear guide rail and a third workbench, and the third workbench is a fixed position of the shoe sole support piece.

4. The integrated iron plate firing, nail pulling and mold changing device according to claim 1, wherein a stopper is provided on the heel support, the stopper is at least partially higher than the plane of the upper end surface of the heel support, the stopper is slidable in the heel support, and the stopper is pressed into the heel support when the last positioning post is pressed with the heel support.

5. The integrated iron plate baking, nail pulling and mold changing device according to claim 1, wherein the shoe last positioning mechanism further comprises a motor adjusting mechanism, the motor adjusting mechanism is used for adjusting the pressure of the shoe last pressing column to the shoe last, a first end of the motor adjusting mechanism is fixedly connected with the lower end face of the positioning plate, and a telescopic shaft of a second end of the motor adjusting mechanism is fixedly connected with the first end of the shoe last pressing column.

6. The integrated iron plate baking, nail pulling and die changing device according to claim 5, wherein the motor adjusting mechanism comprises an adjusting motor and a lifting assembly, the adjusting motor is fixed on the lifting assembly, the lifting assembly is fixedly connected with the lower end face of the positioning plate, the lifting assembly comprises a turbine and a screw rod, and the screw rod is fixedly connected with the first end of the shoe last pressing column;

The adjusting motor drives the screw rod to move up and down through the turbine.

7. The integrated iron plate baking, nail pulling and mold changing device according to claim 1, wherein the shoe last positioning mechanism further comprises a pressure sensor, wherein the pressure sensor is fixedly arranged at the second end of the shoe last pressing column and is used for detecting the pressure of the shoe last pressing column on the shoe last;

when the pressure is higher than the set pressure threshold, the motor adjusting mechanism is adjusted to reduce the pressure of the shoe tree pressing column to the shoe tree, and when the pressure is lower than the set pressure threshold, the motor adjusting mechanism is adjusted to increase the pressure of the shoe tree pressing column to the shoe tree.

8. The integrated iron plate firing, nail pulling and mold changing device according to claim 1, wherein the heel support and the sole support are provided with temperature sensors, respectively, for detecting the temperatures of the heel support and the sole support;

wherein, when the temperature is higher than the threshold value of the set temperature, the heating part stops heating, and when the temperature is lower than the threshold value of the set temperature, the heating part starts heating.