CN111528583A - Vacuum die-free forming sole pressing machine and using method thereof - Google Patents

Abstract

The invention relates to the field of shoemaking equipment, in particular to a vacuum mould-free forming sole press and a using method thereof, which are characterized in that: comprises an upper frame, a pressing driving mechanism, a side edge pressurizing mechanism, a pressing component, a vacuum component, a lifting mechanism and a clamping mechanism; the vacuum assembly is fixed at the bottom of the upper frame, the pressing assembly is positioned right above the vacuum assembly, the pressing assembly is attached to or away from the vacuum assembly under the driving of the pressing driving mechanism, and the side edge pressurizing mechanism is respectively pivoted with the upper frame, the pressing driving mechanism and the pressing assembly. The vacuum die-free forming sole press machine provided by the invention can enable the pressing component and the vacuum component to be tightly matched, and improves the sealing property and the pressing effect; the shoe tree and the shoe body are positioned and fixed in all directions through the clamping mechanism, so that the deviation of the sole and the vamp in the pressing process is prevented; the mode that hydraulic pressure and evacuation location combined together is adopted, and operating procedure is simple, fixes a position accurate while improvement pressfitting speed.

Description

Vacuum die-free forming sole pressing machine and using method thereof

Technical Field

The invention relates to the field of shoemaking equipment, in particular to a vacuum mould-free forming sole pressing machine and a using method thereof.

Background

The raw material has the rudiment shape of the shoe after the operations of cutting, sewing and tightening the upper, and the shoe can be formed after the shoe is adhered to the shoe bottom. The upper and sole bonding is a process of bonding the outsole, the upper foot and the insole after lasting by using an adhesive, the upper and sole bonding process is a large process in a shoe making process, the upper and sole bonding method has various methods, the gluing, vulcanization, die pressing, injection and sewing are five basic processes, and the gluing process is the most commonly used process in the market at present. The pressfitting machine is the abbreviation of viscose pressfitting machine, and traditional pressfitting machine divide into pneumatic pressfitting machine and fluid pressure type pressfitting machine, in order to realize pressing the closely cooperation of subassembly and vacuum component, presses the subassembly to laminate with vacuum component under the drive of pneumatic cylinder, and current only carries out the mode closed through the pneumatic cylinder to pressing the subassembly, because it is rectangular to press the subassembly, leads to the gas leakage because of the pressurization is not enough easily at long direction's both ends, influences the leakproofness, and then influences the pressfitting to the sole. In order to form the location to sole and upper of a shoe before the pressfitting, sole off tracking when preventing the pressfitting, need press from both sides tight fixedly to sole, upper of a shoe and shoe tree before the pressfitting, current often adopts the mode of manual fixation, and the operation is inconvenient, inefficiency, and the location is firm inadequately. In addition, in order to form prepositioning to sole and upper of a shoe before the pressfitting, sole off tracking when preventing a pressfitting, prior art solves through the gasbag that sets up the two-stage, and the gasbag of one-level coats the sole under atmospheric pressure effect, then the gasbag of second grade further pressurizes under atmospheric pressure effect, and prior art still has following problem though can solve the problem of sole prepositioning: two pressurized air ports are required to be arranged on the upper pressure air cylinder, and the structure and the control are complex; multiple steps of vacuumizing, primary air bag pressurizing, secondary air bag pressurizing and the like are required, the operation is complex, the operation time is long, and the production efficiency is influenced; the sealing structure is lacked between the air bag and the air cylinder, the sealing performance is poor, air leakage is caused, the energy consumption is increased, and the production efficiency is reduced; the air bag is inconvenient to detach and replace as a vulnerable part; the present invention has been made in view of the fact that the pressurizing speed is slow because of the high compressibility of gas.

Disclosure of Invention

The invention aims to solve the technical problem of providing a vacuum die-free forming sole pressing machine and a using method thereof so as to solve the problems in the background technology.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a vacuum does not have mould shaping sole machine which characterized in that: comprises an upper frame, a pressing driving mechanism, a side edge pressurizing mechanism, a pressing component, a vacuum component, a lifting mechanism and a clamping mechanism;

the vacuum assembly is fixed at the bottom of the upper frame, the pressing assembly is located right above the vacuum assembly, the pressing assembly is attached to or away from the vacuum assembly under the driving of the pressing driving mechanism, the side pressurizing mechanism is respectively pivoted with the upper frame, the pressing driving mechanism and the pressing assembly, the lifting mechanism is arranged below the lower vacuum seat body, the vacuum assembly comprises a lower vacuum seat body, and the clamping mechanism is arranged on the lower vacuum seat body.

Preferably, the pushing driving mechanism comprises a pushing hydraulic cylinder, a guide sleeve and a guide pillar, the cylinder body of the pushing hydraulic cylinder is fixedly arranged at the upper part of the upper frame, the pushing assembly is directly or indirectly connected with the piston rod of the pushing hydraulic cylinder, the guide sleeve is fixedly arranged on the upper frame, the guide pillar is slidably connected with the guide sleeve, and the bottom of the guide pillar is fixedly connected with the pushing assembly.

Preferably, side loading system includes connecting seat and side coupling assembling, push down the piston rod and the connecting seat rigid coupling of pneumatic cylinder, side coupling assembling includes first connecting piece, second connecting piece and third connecting piece, the one end and the connecting seat pin joint of first connecting piece, the other end and the coaxial pin joint of second connecting piece and third connecting piece, the one end and the last frame pin joint of second connecting piece, the other end and the coaxial pin joint of first connecting piece and third connecting piece, the one end and the pin joint of push down the subassembly pin joint of third connecting piece, the other end and the pin joint of first connecting piece and second connecting piece.

Preferably, the shoe tree opening has been seted up on the lower vacuum pedestal, elevating system includes lift executive component and the lift supporting shoe that is driven by lift executive component to go up and down, clamping system includes that the left side presss from both sides tight piece, the right side presss from both sides tight piece, the left side presss from both sides tight drive unit and the right side presss from both sides tight drive unit, the left side presss from both sides tight piece, the right side presss from both sides tight piece and locates the lift supporting shoe top left and right sides respectively, the left side presss from both sides tight piece, the right side presss from both sides tight piece and moves in opposite directions or back-to-back.

Preferably, the clamping mechanism further comprises a shoe tree, a heel clamping block, a rear clamping driving unit and a front movable plate, the shoe tree is arranged on the lifting supporting block, the left clamping block, the right clamping block and the heel clamping block are respectively located on the left side, the right side and the heel of the shoe tree, the heel clamping block is far away from or close to the heel of the shoe tree under the driving of the rear clamping driving unit, the front movable plate is arranged on the lower vacuum seat body in a sliding mode, and the front movable plate is located in front of the shoe tree.

Preferably, the lifting execution assembly comprises a lifting servo motor, a lifting base, a lifting nut rod and a screw rod, the lifting nut rod and the screw rod are sleeved in the lifting base, the screw rod is fixedly connected with the output end of the lifting servo motor, the lifting nut rod is in threaded connection with the screw rod, the lifting nut rod is in sliding connection with the lifting base, a guide groove is formed in the lifting nut rod, and a limiting part matched with the guide groove is fixedly arranged on the lifting base.

Preferably, the pressing component sequentially comprises an upper plate, an upper pressing cylinder, a hydraulic bag, a pressing cylinder flange piece, an upper vacuum clamping plate, a vacuum air bag and a lower vacuum clamping plate which are detachably connected with each other from top to bottom, the pressing component is provided with a containing cavity for containing the hydraulic bag and the vacuum air bag, and an opening is formed in the bottom of the pressing component, a hydraulic cavity with variable volume is formed between the upper pressing cylinder and the hydraulic bag, a liquid inlet pressurizing port communicated with the hydraulic cavity is formed in the side wall of the upper pressing cylinder, at least one of the upper pressing cylinder and the pressing cylinder flange piece is provided with a hydraulic sealing groove, the hydraulic bag is provided with a hydraulic annular sealing ring matched with the hydraulic sealing groove, an air cavity with variable volume is formed between the hydraulic bag and the vacuum air bag, at least one of the upper vacuum clamping plate and the lower vacuum clamping plate is provided with a vacuum sealing groove, the vacuum assembly sequentially comprises a lower vacuum base body and a vacuum pumping bin from top to bottom, and the vacuum pumping bin or the lower vacuum base body is provided with a vacuum pumping port.

Preferably, the edge of hydraulic pressure bag and vacuum bag all is equipped with the outer lane that is used for the installation, is equipped with the mounting hole on the outer lane, be equipped with the screw hole that corresponds with the mounting hole of the outer lane of hydraulic pressure bag on the upper pressure jar and the jar flange spare of pressing, the hydraulic pressure bag is located between upper pressure jar and the jar flange spare through threaded connection spare's connecting clamp, be equipped with the screw hole that corresponds with the mounting hole of vacuum bag's outer lane on upper vacuum splint and the lower vacuum splint, the vacuum bag passes through threaded connection spare's connecting clamp and is located between upper vacuum splint and the lower vacuum splint.

Preferably, an assembly body formed by the vacuum air bag, the upper vacuum clamping plate and the lower vacuum clamping plate is installed on the pressure cylinder flange piece through a threaded connecting piece, the inner edge of the pressure cylinder flange piece extends downwards to form an edge covering, the lower end face of the edge covering exceeds the lower end face of the upper vacuum clamping plate, and a gap for installing the vacuum air bag is reserved between the edge covering and the lower vacuum clamping plate.

The use method of the vacuum die-free forming sole pressing machine is characterized in that: the method comprises the following steps:

step 1), in an initial state, separating a pressing assembly from a vacuum assembly, and placing a shoe tree sleeved with an upper and a sole in a shoe tree opening and a vacuumizing bin;

step 2), the clamping mechanism drives the left clamping block and the right clamping block to be attached to the left side and the right side of the upper, the front movable plate is pushed to abut against the front end of the upper, and the heel clamping block abuts against the heel of the upper;

step 3), descending the pressing assembly until the pressing assembly is attached to the vacuum assembly;

step 4), vacuumizing the vacuumizing bin, coating the vacuum air bag around the sole under the action of vacuum, and pre-positioning the sole and the upper;

step 5), pressurized liquid enters the hydraulic cavity from the liquid inlet pressurizing port, the hydraulic bag expands and deforms under the action of hydraulic pressure, the pressure is transmitted to the air cavity by the hydraulic pressure, and the pressure is transmitted to the vacuum air bag through air in the air cavity, so that the sole is pressed;

and 6) after the pressing is finished, lifting the pressing assembly, removing the positioning of the upper by the clamping mechanism, and taking out the pressed shoe and shoe tree.

As can be seen from the above description, the vacuum die-free forming sole press provided by the invention has the following beneficial effects: the three connecting pieces of the side edge pressurizing mechanism are respectively pivoted with the upper frame, the lower pressing driving mechanism and the lower pressing assembly, when the lower pressing hydraulic cylinder drives the lower pressing assembly to descend and attach to the vacuum assembly, the lower pressing hydraulic cylinder conducts pressure to the second connecting piece and the third connecting piece through the first connecting piece, and then the two ends of the lower pressing assembly in the length direction are pressed, so that the lower pressing assembly is tightly matched with the vacuum assembly, and the sealing performance and the pressing effect are improved; the left clamping block, the right clamping block and the heel clamping block are respectively positioned on the left side, the right side and the heel of the shoe tree and are driven by the driving unit to realize clamping, and the front movable plate is positioned in front of the shoe tree, so that the shoe tree and the shoe body can be positioned and fixed in an all-around manner, the deviation of a sole and a vamp in the pressing process is prevented, the pressing quality is influenced, the lifting mechanism carries out lifting operation on the shoe tree, the shoe tree and shoes are conveniently placed, and the production efficiency is improved; thirdly, the vacuum air bag is coated on the sole through vacuumizing the vacuum air bag, so that pre-positioning of the sole is realized, then the hydraulic air bag is pressurized, so that the sole and the upper are pressed, and a mode of combining hydraulic pressure and vacuumizing positioning is adopted, so that the operation steps are simple, the positioning is accurate, and the pressing speed is improved; the upper pressure cylinder is only provided with a liquid inlet pressurizing port for supplying liquid, and the structure is simple; the hydraulic bag and the vacuum air bag are sealed through the hydraulic sealing groove, the hydraulic annular sealing ring, the vacuum sealing groove and the vacuum annular sealing ring, the sealing performance is good, and energy loss and medium loss are reduced; the assembly body that vacuum bag, last vacuum splint and lower vacuum splint formed is installed on pressing the cylinder flange spare through threaded connection spare, when needing to be changed vacuum bag, only needs to dismantle this subassembly get off, changes the gasbag, and it is convenient to change.

Drawings

FIG. 1 is a schematic view of the overall structure of the vacuum die-less forming sole press of the present invention.

FIG. 2 is a schematic structural diagram of the vacuum moldless sole press after removing a portion of the outer shell.

FIG. 3 is a schematic perspective view of a hydraulic device of the vacuum moldless sole press according to the present invention.

Fig. 4 is a side view of fig. 3.

Fig. 5 is a schematic structural view of the side pressing mechanism.

FIG. 6 is a schematic perspective view of a clamping device of the vacuum moldless sole press according to the present invention.

Fig. 7 is a top view of fig. 6.

Fig. 8 is a side view of fig. 6.

Fig. 9 is a schematic perspective view of fig. 6.

Fig. 10 is a schematic view of the clamping device of the vacuum mold-free sole press after hiding the seat cover plate and the shoe last.

Fig. 11 is a sectional view of the elevating mechanism.

FIG. 12 is a schematic perspective view of a vacuum apparatus of the vacuum moldless sole press according to the present invention.

FIG. 13 is a cross-sectional view of the hold-down assembly.

Fig. 14 is an enlarged view of a part a of fig. 13.

Fig. 15 is a cross-sectional view of a vacuum assembly.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 2, the blank die-less molding sole press of the present invention comprises an upper frame 31, a downward pressing driving mechanism 4, a side edge pressurizing mechanism 5, a downward pressing assembly 1, a vacuum assembly 2, a lifting mechanism 6 and a clamping mechanism 7;

wherein, the upper frame 31, the lower pressing driving mechanism 4 and the side edge pressurizing mechanism 5 form a hydraulic device of the vacuum die-free forming sole pressing machine; the lifting mechanism 6 and the clamping mechanism 7 form a clamping device of the vacuum die-free forming sole pressing machine; the pressing component 1 and the vacuum component 2 form a vacuum device of the vacuum die-free forming sole press.

The vacuum component 2 comprises a lower vacuum seat body 21, the vacuum component 2 is fixed at the bottom of the upper frame 31, the lower pressing component 1 is positioned right above the vacuum component 2, the lower pressing component 1 is attached to or away from the vacuum component 2 under the driving of the lower pressing driving mechanism 4, the side edge pressurizing mechanism 5 is respectively pivoted with the upper frame 31, the lower pressing driving mechanism 4 and the lower pressing component 1, the lifting mechanism 6 is arranged below the lower vacuum seat body 21, and the clamping mechanism 7 is arranged on the lower vacuum seat body 21.

As shown in fig. 3 to 5, the vacuum module 2 is fixed at the bottom of the upper frame 31, the pressing module 1 is located right above the vacuum module 2, the pressing module 1 is attached to or away from the vacuum module 2 under the driving of the pressing driving mechanism 4, and the lateral pressing mechanism 5 is pivotally connected to the upper frame 31, the pressing driving mechanism 4 and the pressing module 1, respectively.

The downward driving mechanism 4 includes a downward hydraulic cylinder 41, a guide sleeve 42 and a guide post 43, a cylinder body of the downward hydraulic cylinder 41 is fixedly disposed on the upper portion of the upper frame 31, the downward component 1 is directly or indirectly connected with a piston rod of the downward hydraulic cylinder 41, the downward hydraulic cylinder 41 is located above the center of the downward component 1, in this embodiment, the downward component 1 and the downward hydraulic cylinder 41 are indirectly and fixedly connected through the guide post 43 and the connecting seat 51, in other embodiments, the piston rods of the downward component 1 and the downward hydraulic cylinder 41 can also be directly and fixedly connected, the guide sleeve 42 is fixedly disposed on the upper frame 31, the guide post 43 is slidably connected with the guide sleeve 42, when the downward hydraulic cylinder 41 drives the downward component 1 to move along the longitudinal direction, the guide post 43 slides along the axial direction in the guide sleeve 42, and the bottom of the guide post 43 is fixedly connected with.

In this embodiment, there are two guide pillars 43 and two guide sleeves 42, and the two guide pillars 43 and the two guide sleeves 42 are symmetrically disposed on two sides of the down-pressure hydraulic cylinder 41, and in other embodiments, the number of the guide pillars 43 and the number of the guide sleeves 42 may be other.

The side pressurizing mechanism 5 comprises a connecting seat 51 and a side connecting component, a piston rod of the hydraulic cylinder 41 is fixedly connected with the connecting seat 51, the side connecting component comprises a first connecting piece 52, a second connecting piece 53 and a third connecting piece 54, one ends of the first connecting piece 52, the second connecting piece 53 and the third connecting piece 54 are connected on the same shaft to form a three-fork type connecting mechanism, wherein one end of the first connecting piece 52 is pivoted with the connecting seat 51, the other end of the first connecting piece 52 is pivoted with the second connecting piece 53 and the third connecting piece 54 coaxially, one end of the second connecting piece 53 is pivoted with the upper frame 31, the other end of the second connecting piece 53 is pivoted with the first connecting piece 52 and the third connecting piece 54 coaxially, one end of the third connecting piece 54 is pivoted with the pressing component 1, and the other end of the.

In this embodiment, side coupling assembling is equipped with two, and two side coupling assembling symmetries set up in two short sides of pushing down subassembly 1, and pushing down subassembly 1 includes the upper plate, and upper plate 11 is the rectangle, and two side coupling assembling are located two short sides of upper plate respectively to the realization is to the pressurization at the both ends of long direction, in other embodiments, side coupling assembling can be other quantity, for example side coupling assembling is four, distributes in four sides.

Preferably, the connecting base 51 is fixedly connected to the guide post 43, and the piston rod of the pressing hydraulic cylinder 41 drives the connecting base 51 to move, so that the guide post 43 drives the pressing assembly 1 to move synchronously.

Preferably, the connecting base 51 is cross-shaped, the cross-shaped connecting base 51 is provided with four support arms, two opposite support arms of the connecting base 51 are pivotally connected with the first connecting member 52, and the other two opposite support arms are fixedly connected with the guide post 43.

Preferably, there are two second connecting members 53 of the side connecting members, and two third connecting members 54 of the side connecting members, symmetrically arranged on the sides of the hold-down assembly 1.

The bottom of the pressing assembly 1 and the bottom of the vacuum assembly 2 are planes, a sealing gasket is arranged at the bottom of the pressing assembly 1 or the bottom of the vacuum assembly 2, and the sealing effect is achieved when the pressing assembly 1 and the vacuum assembly 2 are closed.

Push down 1 inside telescopic hydraulic pressure bag that is equipped with of subassembly to through liquid pressurization, the 2 inner chambers of vacuum subassembly are equipped with vacuum air bag, and are connected with evacuating device, push down 1 of subassembly and the 2 closed types of vacuum subassembly, carry out the evacuation by evacuating device to the 2 inner chambers of vacuum subassembly, vacuum air bag cladding sole and upper of a shoe, hydraulic pressure bag pressurization carries out the pressfitting to the sole, and the concrete structure of pushing down subassembly 1 and vacuum subassembly 2 is referred to prior art, specifically no longer gives details.

The vacuum mould-free forming sole pressing machine can be provided with a plurality of hydraulic devices so as to press a plurality of soles and shoe supports simultaneously.

The hydraulic device of the vacuum die-free forming sole press provided by the invention has the following beneficial effects: the three connecting pieces of the side pressurizing mechanism 5 are respectively pivoted with the upper frame 31, the pressing driving mechanism 4 and the pressing component 1, when the pressing hydraulic cylinder 41 drives the pressing component 1 to descend and be attached to the vacuum component 2, the pressing hydraulic cylinder 41 conducts pressure to the second connecting piece 53 and the third connecting piece 54 through the first connecting piece 52, and then applies pressure to the two ends of the pressing component 1 in the length direction, so that the pressing force is ensured to be applied to the middle part and the two ends of the pressing component, the pressing component 1 is tightly matched with the vacuum component 2, and the sealing performance and the pressing effect are improved.

As shown in fig. 6-11, a last opening 24 is formed on the lower vacuum base 21, the lifting mechanism 6 is disposed below the lower vacuum base 21, and the lifting mechanism 6 includes a lifting executing component and a lifting support block 61 driven by the lifting executing component to lift.

The clamping mechanism 7 is arranged on the lower vacuum seat body 21, the clamping mechanism 7 comprises a left clamping block 71, a right clamping block 72, a left clamping driving unit 73 and a right clamping driving unit 74, the left clamping block 71 and the right clamping block 72 are respectively arranged on the left side and the right side above the lifting supporting block 61, and the left clamping block 71 and the right clamping block 72 respectively move towards or away from each other under the driving of the left clamping driving unit 73 and the right clamping driving unit 74.

In this embodiment, the clamping mechanism 7 further includes a shoe tree 75, a heel clamping block 76 and a rear clamping driving unit 77, the shoe tree 75 is disposed on the lifting support block 61, the left clamping block 71, the right clamping block 72 and the heel clamping block 76 are respectively disposed on the left side, the right side and the heel of the shoe tree 75, and the heel clamping block 76 is driven by the rear clamping driving unit 77 to be far away from or close to the heel of the shoe tree 75.

The left clamping driving unit 73 and the right clamping driving unit 74 are air cylinders, the left clamping block 71 and the right clamping block 72 are fixedly connected with the input ends of the left clamping driving unit 73 and the right clamping driving unit 74 respectively, the rear clamping driving unit 77 is a microswitch, and the heel clamping block 76 is fixedly connected with the output end of the rear clamping driving unit 77.

The clamping mechanism 7 further includes a front movable plate 78, the front movable plate 78 is slidably disposed on the lower vacuum seat 21, and the front movable plate 78 is located in front of the shoe tree 75.

The lower vacuum seat body 21 is detachably and fixedly provided with a seat body cover plate 23, an interlayer for installing the left clamping driving unit 73, the right clamping driving unit 74 and the rear clamping driving unit 77 is formed between the lower vacuum seat body 21 and the seat body cover plate 23, a sliding groove is formed between the lower vacuum seat body 21 and the seat body cover plate 23, a sliding strip 781 matched with the sliding groove is arranged on the front movable plate 78, and the front movable plate 78 moves along the sliding groove direction through the matching connection of the sliding groove and the sliding strip 781.

The left clamping block 71, the right clamping block 72 and the heel clamping block 76 are made of rubber or plastic.

The cross-sectional shape of lift supporting shoe 61 is the U type, and the shape of shoe tree 75 bottom is with lift supporting shoe 61 looks adaptation, and shoe tree 75 is placed on lift supporting shoe 61 during operation.

The lifting executing assembly comprises a lifting servo motor 81, a lifting base 82, a lifting nut rod 83 and a lead screw 84, the lifting nut rod 83 and the lead screw 84 are sleeved in the lifting base 82, the lead screw 84 is fixedly connected with the output end of the lifting servo motor 81, the lifting nut rod 83 is in threaded connection with the lead screw 84, and the lifting nut rod 83 is in sliding connection with the lifting base 82.

The lifting nut 83 has a guiding slot 831, and the lifting base 82 has a limiting member 832 engaged with the guiding slot 831, in the embodiment, the limiting member 832 is connected with the lifting base 82 by a screw, and the limiting member 832 is embedded in the guiding slot 831, so that the lifting nut 83 can only move along the axis.

The clamping device of the vacuum die-free forming sole pressing machine has the following use mode: the lifting servo motor 81 drives the screw rod 84 to rotate, and as the lifting nut rod 83 is limited to move only along the axis, the screw rod 84 converts the selection motion into the lifting motion of the lifting nut rod 83, and further drives the lifting supporting block 61 to lift, and the shoe tree 75 sleeved with the shoe body is placed on the lifting supporting block 61; the lifting execution assembly drives the shoe tree 75 sleeved with the shoe body to descend, and the shoe tree 75 sleeved with the shoe body is embedded into the shoe tree opening 24; the left clamping driving unit 73 and the right clamping driving unit 74 drive the left clamping block 71 and the right clamping block 72 to move, so that the upper is clamped on the shoe tree 75; a rear clamping drive unit 77 drives the heel clamping block 76 close to the heel of the shoe tree 75; the front movable plate 78 is pushed to be close to the front end of the shoe tree 75, so that the shoe tree 75 and the shoe body are clamped.

The clamping device of the vacuum die-free forming sole pressing machine provided by the invention has the following beneficial effects: the left clamping block, the right clamping block and the heel clamping block are respectively located on the left side, the right side and the heel of a shoe tree and driven by a driving unit to realize clamping, and a front movable plate is located in front of the shoe tree, so that the shoe tree and a shoe body can be positioned and fixed in an all-around mode, shoe soles and shoe uppers are prevented from deviating in the pressing process, the pressing quality is affected, the lifting mechanism is used for lifting the shoe tree, the shoe trees and the shoes are convenient to place, and the production efficiency is improved.

As shown in fig. 11-15, the pressing assembly 1 is located right above the vacuum assembly 2, and the pressing assembly 1 sequentially includes, from top to bottom, an upper plate 11, an upper pressing cylinder 12, a hydraulic bladder 13, a pressing cylinder flange 14, an upper vacuum clamping plate 15, a vacuum bladder 16, and a lower vacuum clamping plate 17, which are detachably connected to each other.

The pressing component 1 is provided with an accommodating cavity for accommodating a hydraulic bag 13 and a vacuum air bag 16, the bottom of the accommodating cavity is provided with an opening, the hydraulic bag 13 and the vacuum air bag 16 are accommodated in the accommodating cavity under the state of no vacuum pumping or pressurization, a hydraulic cavity 18 with variable volume is formed between the upper pressing cylinder 12 and the hydraulic bag 13, when liquid such as water or hydraulic oil is filled in the hydraulic cavity 18, the hydraulic bag 13 expands and deforms under the hydraulic action, the hydraulic cavity 18 expands, the side wall of the upper pressing cylinder 12 is provided with a liquid inlet pressurizing port 121 communicated with the hydraulic cavity 18, the liquid inlet pressurizing port 121 is provided with a port communicated with a hydraulic pipe, and pressurized liquid enters the hydraulic cavity 18 from the liquid inlet pressurizing port 121; at least one of upper pressure cylinder 12 and pressure cylinder flange spare 14 has and is equipped with the hydraulic pressure seal groove, in this embodiment, the hydraulic pressure seal groove is seted up on upper pressure cylinder 12, be equipped with on the hydraulic pressure bag 13 with hydraulic pressure seal groove complex hydraulic annular seal 131, form changeable air chamber 19 of volume between hydraulic pressure bag 13 and the vacuum gasbag 16, when pushing down subassembly 1 and vacuum subassembly 2 closed, and when evacuation, vacuum gasbag 16 cladding sole, air chamber 19 expands under the vacuum effect, at least one of upper vacuum splint 15 and lower vacuum splint 17 is equipped with the vacuum seal groove, in this embodiment, the vacuum seal groove is seted up on upper vacuum splint 15, be equipped with on the vacuum gasbag 16 with vacuum seal groove complex vacuum annular seal 161.

The vacuum assembly 2 sequentially comprises a lower vacuum base 21 and a vacuum-pumping chamber 22 from top to bottom, the vacuum-pumping chamber 22 or the lower vacuum base 21 is provided with a vacuum-pumping port (not shown), and the hydraulic bag 13 and the vacuum air bag 16 are integrally formed by telescopic silica gel, plastic, rubber and other materials.

Preferably, a rubber sealing ring (not shown) is disposed at the bottom of the lower vacuum clamping plate 17 or at the top of the lower vacuum housing 21, so that when the push-down assembly 1 and the vacuum assembly 2 are closed, a gap therebetween is sealed.

Outer rings for installation are arranged on the edges of the hydraulic bag 13 and the vacuum air bag 16, installation holes are formed in the outer rings, threaded holes corresponding to the installation holes of the outer rings of the hydraulic bag 13 are formed in the upper pressure cylinder 12 and the pressure cylinder flange 14, the hydraulic bag 13 is clamped between the upper pressure cylinder 12 and the pressure cylinder flange 14 through connection of threaded connecting pieces, threaded holes corresponding to the installation holes of the outer rings of the vacuum air bag 16 are formed in the upper vacuum clamping plate 15 and the lower vacuum clamping plate 17, and the vacuum air bag 16 is clamped between the upper vacuum clamping plate 15 and the lower vacuum clamping plate 17 through connection of the threaded connecting pieces.

An assembly formed by the vacuum bladder 16, the upper vacuum clamping plate 15 and the lower vacuum clamping plate 17 is mounted on the cylinder flange member 14 by a threaded connection.

The inner edge of the cylinder flange 14 extends downward to form a hem 141, the lower end face of the hem 141 exceeds the lower end face of the upper vacuum clamp 15, and a gap for installing the vacuum air bag 16 is left between the hem 141 and the lower vacuum clamp 17.

Preferably, the cross section of the hydraulic seal groove is semicircular, and the cross section of the vacuum seal groove is rectangular.

Preferably, a base cover plate 23 is arranged on the lower vacuum base 21, a shoe last opening 24 for installing a shoe last is arranged on the base cover plate 23 and the lower vacuum base 21, the shoe last opening 24 is communicated with the vacuum-pumping chamber 22, and the size of the opening below the containing cavity is larger than that of the shoe last opening 24.

An interlayer for installing a pneumatic element is formed between the lower vacuum base body 21 and the base body cover plate 23, the pneumatic element is an air cylinder and is used for clamping an upper, and the pneumatic clamping mechanism is a mechanism matched with the vacuum device, and the prior art can be referred to, and the mechanism is not shown in the application.

The cross-sectional shapes of the accommodating chamber, the hydraulic bladder 13 and the vacuum bladder 16 are circular rectangles.

The use method of the vacuum die-free forming sole pressing machine is characterized in that: the method comprises the following steps:

step 1), in an initial state, separating a pressing assembly from a vacuum assembly, and placing a shoe tree sleeved with an upper and a sole in a shoe tree opening and a vacuumizing bin;

step 2), the clamping mechanism drives the left clamping block and the right clamping block to be attached to the left side and the right side of the upper, the front movable plate is pushed to abut against the front end of the upper, and the heel clamping block abuts against the heel of the upper;

step 3), descending the pressing assembly until the pressing assembly is attached to the vacuum assembly;

step 4), vacuumizing the vacuumizing bin, coating the vacuum air bag around the sole under the action of vacuum, and pre-positioning the sole and the upper;

step 5), pressurized liquid enters the hydraulic cavity from the liquid inlet pressurizing port, the hydraulic bag expands and deforms under the action of hydraulic pressure, the pressure is transmitted to the air cavity by the hydraulic pressure, and the pressure is transmitted to the vacuum air bag through air in the air cavity, so that the sole is pressed;

and 6) after the pressing is finished, lifting the pressing assembly, removing the positioning of the upper by the clamping mechanism, and taking out the pressed shoe and shoe tree.

The working principle is as follows: the pressing component 1 is driven by a hydraulic device (the hydraulic device is a mechanism matched with the vacuum device, and can refer to the prior art, the hydraulic device can adopt the cooperation of a hydraulic cylinder and a guide rod to realize the lifting of the pressing component 1, when the pressing component 1 is lifted, a shoe tree sleeved with an upper is placed in the shoe tree opening 24 and the vacuum pumping bin 22 and is fixedly supported, the supporting device can be a bracket provided with a jack, the upper and the sole are glued and attached in advance, the pressing component 1 is descended until the pressing component 1 is attached to the vacuum component 2, a vacuum pumping machine is communicated with a vacuum pumping port to vacuumize the vacuum pumping bin 22, a vacuum air bag 16 is coated on the periphery of the coating and the sole under the vacuum action to pre-position the sole and the upper, then pressurized liquid enters the hydraulic cavity 18 from the liquid inlet pressurizing port 121, under the hydraulic action, the hydraulic pressure bag 13 expands and deforms, pressure is transmitted to the air chamber 19 through hydraulic pressure, the pressure is transmitted to the vacuum air bag 16 through air in the air chamber 19, the sole is pressed, the pressing and maintaining time lasts for 30 seconds to 5 minutes according to different glue, and the shoe can be taken out after the sole and the upper are bonded.

The utility model provides a vacuum apparatus of end machine is pressed in vacuum no mould shaping has following beneficial effect: the vacuum air bag is coated on the sole through vacuumizing the vacuum air bag, so that the pre-positioning of the sole is realized, then the pressing of the sole and the upper is realized through pressurizing the hydraulic air bag, and a mode of combining hydraulic pressure and vacuumizing positioning is adopted, so that the operation steps are simple, the positioning is accurate, and the pressing speed is improved; the upper pressure cylinder is only provided with a liquid inlet pressurizing port for supplying liquid, and the structure is simple; the hydraulic bag and the vacuum air bag are sealed through the hydraulic sealing groove, the hydraulic annular sealing ring, the vacuum sealing groove and the vacuum annular sealing ring, the sealing performance is good, and energy loss and medium loss are reduced; the assembly body that vacuum bag, last vacuum splint and lower vacuum splint formed is installed on pressing the cylinder flange spare through threaded connection spare, when needing to be changed vacuum bag, only needs to dismantle this subassembly get off, changes the gasbag, and it is convenient to change.

The whole working principle of the blank die-free forming sole press is as follows: the shoe tree sleeved with the sole is placed on the lifting supporting block 61, the lifting mechanism 6 drives the shoe tree and the shoe body to descend, the clamping mechanism 7 clamps the shoe tree and the upper, the pressing driving mechanism 4 and the side pressurizing mechanism 5 drive the pressing component 1 to descend until the pressing component 1 is attached to the lower vacuum base body 21, the vacuum air bag is coated on the sole through vacuumizing of the vacuum air bag, pre-positioning of the sole is achieved, and then pressing of the sole and the upper is achieved through pressurizing of the hydraulic air bag.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the invention is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

The above description is only a few specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by the design concept should fall within the scope of the present invention.

Claims (10)

1. The utility model provides a vacuum does not have mould shaping sole machine which characterized in that: comprises an upper frame, a pressing driving mechanism, a side edge pressurizing mechanism, a pressing component, a vacuum component, a lifting mechanism and a clamping mechanism;

the vacuum assembly is fixed at the bottom of the upper frame, the pressing assembly is located right above the vacuum assembly, the pressing assembly is attached to or away from the vacuum assembly under the driving of the pressing driving mechanism, the side pressurizing mechanism is respectively pivoted with the upper frame, the pressing driving mechanism and the pressing assembly, the lifting mechanism is arranged below the lower vacuum seat body, the vacuum assembly comprises a lower vacuum seat body, and the clamping mechanism is arranged on the lower vacuum seat body.

2. The vacuum die-less forming sole press according to claim 1, characterized in that: the downward pressing driving mechanism comprises a downward pressing hydraulic cylinder, a guide sleeve and a guide pillar, the cylinder body of the downward pressing hydraulic cylinder is fixedly arranged on the upper portion of the upper frame, the downward pressing component is directly or indirectly connected with a piston rod of the downward pressing hydraulic cylinder, the guide sleeve is fixedly arranged on the upper frame, the guide pillar is slidably connected with the guide sleeve, and the bottom of the guide pillar is fixedly connected with the downward pressing component.

3. The vacuum die-less forming sole press according to claim 1, characterized in that: the side loading system includes connecting seat and side coupling assembling, push down the piston rod and the connecting seat rigid coupling of pneumatic cylinder, side coupling assembling includes first connecting piece, second connecting piece and third connecting piece, the one end and the connecting seat pin joint of first connecting piece, the other end and the coaxial pin joint of second connecting piece and third connecting piece, the one end and the last frame pin joint of second connecting piece, the other end and the coaxial pin joint of first connecting piece and third connecting piece, the one end and the push down subassembly pin joint of third connecting piece, the other end and the pin joint of first connecting piece and second connecting piece.

4. The vacuum die-less forming sole press according to claim 1, characterized in that: the shoe tree opening has been seted up on the lower vacuum pedestal, elevating system includes lift executive component and the lift supporting shoe by lift executive component drive lift, clamping mechanism includes that left side presss from both sides tight piece, right side clamp tight piece, left side press from both sides tight drive unit and right side and press from both sides tight drive unit, left side presss from both sides tight piece, right side and presss from both sides tight piece and locates the lift supporting shoe top left and right sides respectively, left side presss from both sides tight piece, right side and presss from both sides tight piece and move in opposite directions or back-to-back under left side presss from both sides tight drive unit, right side.

5. The vacuum die-less forming sole press according to claim 1, characterized in that: the clamping mechanism further comprises a shoe tree, a heel clamping block, a rear clamping driving unit and a front movable plate, the shoe tree is arranged on the lifting supporting block, the left clamping block, the right clamping block and the heel clamping block are respectively located on the left side, the right side and the heel of the shoe tree, the heel clamping block is far away from or close to the heel of the shoe tree under the driving of the rear clamping driving unit, the front movable plate is arranged on the lower vacuum seat body in a sliding mode, and the front movable plate is located in front of the shoe tree.

6. The vacuum die-less forming sole press according to claim 1, characterized in that: the lifting executive component comprises a lifting servo motor, a lifting base, a lifting nut rod and a screw rod, the lifting nut rod and the screw rod are sleeved in the lifting base, the screw rod is fixedly connected with the output end of the lifting servo motor, the lifting nut rod is in threaded connection with the screw rod, the lifting nut rod is in sliding connection with the lifting base, a guide groove is formed in the lifting nut rod, and a limiting part matched with the guide groove is fixedly arranged on the lifting base.

7. The vacuum die-less forming sole press according to claim 1, characterized in that: the pressing component sequentially comprises an upper plate, an upper pressing cylinder, a hydraulic bag, a pressing cylinder flange part, an upper vacuum clamping plate, a vacuum air bag and a lower vacuum clamping plate which are detachably connected with each other from top to bottom, the pressing component is provided with a containing cavity for containing the hydraulic bag and the vacuum air bag, an opening is formed in the bottom of the pressing component, a hydraulic cavity with variable volume is formed between the upper pressing cylinder and the hydraulic bag, a liquid inlet pressurizing port communicated with the hydraulic cavity is formed in the side wall of the upper pressing cylinder, at least one of the upper pressing cylinder and the pressing cylinder flange part is provided with a hydraulic sealing groove, a hydraulic annular sealing ring matched with the hydraulic sealing groove is arranged on the hydraulic bag, an air cavity with variable volume is formed between the hydraulic bag and the vacuum air bag, at least one of the upper vacuum clamping plate and the lower vacuum clamping plate is provided with a vacuum sealing groove, the vacuum assembly sequentially comprises a lower vacuum base body and a vacuum pumping bin from top to bottom, and the vacuum pumping bin or the lower vacuum base body is provided with a vacuum pumping port.

8. The vacuum die-less forming sole press according to claim 1, characterized in that: the edge of hydraulic pressure bag and vacuum bag all is equipped with the outer lane that is used for the installation, is equipped with the mounting hole on the outer lane, be equipped with the screw hole that corresponds with the mounting hole of the outer lane of hydraulic pressure bag on the flange spare of upper pressure jar and pressure jar, the hydraulic pressure bag is located between upper pressure jar and the jar flange spare through threaded connection spare's connection clamp, be equipped with the screw hole that corresponds with the mounting hole of vacuum bag's outer lane on upper vacuum splint and the lower vacuum splint, vacuum bag passes through threaded connection spare's connection clamp and locates between upper vacuum splint and the lower vacuum splint.

9. The vacuum die-less forming sole press according to claim 1, characterized in that: the vacuum air bag, the upper vacuum clamping plate and the lower vacuum clamping plate are assembled to form an assembly body, the assembly body is installed on the pressure cylinder flange piece through the threaded connecting piece, the inner edge of the pressure cylinder flange piece extends downwards to form an edge covering, the lower end face of the edge covering exceeds the lower end face of the upper vacuum clamping plate, and a gap for installing the vacuum air bag is reserved between the edge covering and the lower vacuum clamping plate.

10. Use of a vacuum die-less molding press according to any of claims 1 to 9, characterized in that: the method comprises the following steps:

step 1), in an initial state, separating a pressing assembly from a vacuum assembly, and placing a shoe tree sleeved with an upper and a sole in a shoe tree opening and a vacuumizing bin;

step 2), the clamping mechanism drives the left clamping block and the right clamping block to be attached to the left side and the right side of the upper, the front movable plate is pushed to abut against the front end of the upper, and the heel clamping block abuts against the heel of the upper;

step 3), descending the pressing assembly until the pressing assembly is attached to the vacuum assembly;

step 4), vacuumizing the vacuumizing bin, coating the vacuum air bag around the sole under the action of vacuum, and pre-positioning the sole and the upper;

step 5), pressurized liquid enters the hydraulic cavity from the liquid inlet pressurizing port, the hydraulic bag expands and deforms under the action of hydraulic pressure, the pressure is transmitted to the air cavity by the hydraulic pressure, and the pressure is transmitted to the vacuum air bag through air in the air cavity, so that the sole is pressed;

and 6) after the pressing is finished, lifting the pressing assembly, removing the positioning of the upper by the clamping mechanism, and taking out the pressed shoe and shoe tree.

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