CN112157865A

CN112157865A - Sole injection moulding machine

Info

Publication number: CN112157865A
Application number: CN202010878053.9A
Authority: CN
Inventors: 吴海斌
Original assignee: Wenling Hengfeng Xinwo Machinery Factory
Current assignee: Wenling Hengfeng Xinwo Machinery Factory
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-01-01

Abstract

The invention provides a sole injection molding machine, and belongs to the technical field of shoemaking. It has solved the problem that leaks material appears in current shoe mold. This sole injection moulding machine, the test platform comprises a support, carousel assembly and drive carousel of setting on the frame are along circumference pivoted actuating mechanism, the carousel assembly includes carousel and last carousel down, be provided with a plurality of sole mould subassembly along circumference on the carousel down, it carries the shoe last subassembly to be provided with a plurality of along circumference on the carousel, sole mould subassembly includes two framed and sole core, all be fixed with the sole mould on the relative side of two framed, the sole core is located between two sole moulds, the carousel assembly still includes the push rod subassembly that the drive framed is close to relatively or keeps away from, the push rod subassembly includes connecting rod and the ejector pad of articulated on the carousel down, it can rotate the locking handle to be connected with on one of them framed, eccentric axial region has on the locking handle, the one end of connecting rod is articulated with the ejector pad, the other end is articulated with eccentric axial region. The structure solves the problem of material leakage of the shoe mold.

Description

Sole injection moulding machine

Technical Field

The invention belongs to the technical field of shoemaking, and particularly relates to a sole injection molding machine.

Background

The injection method of the existing injection molding machine for shoes is mature in process, convenient to operate and low in running cost, so that one-step upper-connecting molding is selected for a large number of middle and low-end shoes, the soles of the injection molded shoes are generally made of plastic, the plastic injection molding shoe molding is a production method for directly injecting glue stock into a mold cavity from a machine barrel and bonding fabric or leather vamps, and the injection molding is carried out at a certain temperature and pressure, so that the uppers and the soles are endowed with certain flexibility and elasticity, and the uppers and the soles are fused and combined together.

At present, the chinese patent net discloses a processing technology for injection molding shoemaking formation [ application publication No.: CN105922503A, the sole forming device comprises a sole forming device, the sole forming device comprises a base, a working frame is arranged on the base and is rotatably connected with the base, the working frame comprises an upper mounting frame and a lower mounting plate, a circle of mounting devices which are distributed around the working frame and are used for assisting in processing shoes are arranged on the working frame, an injection device for injecting plastic into the mounting devices is arranged outside the working frame, and a fixed point device is arranged at the central position of the working frame; the mounting device comprises an upper fixing device, a lower forming device matched with the upper fixing device, and a connecting device acting between the lower forming devices, wherein the upper fixing device comprises a pair of shaft seats arranged at the upper end of an upper mounting frame, the shaft seats are rotationally connected with rotating blocks acting in the two shaft seats, the lower ends of the rotating blocks are connected with movable rods, outer cylindrical cavities fixed at the lower ends of the upper mounting frame are arranged outside the movable rods, the tail ends of the movable rods are connected with mounting blocks used for mounting shoe molds, the lower forming device comprises a positioning block which is arranged on a lower mounting plate and is in a shape of a sole, a left mold sleeve and a right mold sleeve acting on two sides of the positioning block, the left mold sleeve and the right mold sleeve are respectively provided with an external connecting block arranged on the outer walls of the left mold sleeve and the right mold sleeve, the front end of the external connecting block is provided with an extension arm, the connecting device comprises, the hinge block is fixed on the lower mounting plate, the hinge block is inserted in the hinge block, the hinge block is rotatably connected with the lower mounting plate, and the second fixing shaft penetrates through the upper mounting frame. When the shoe mold is used, the shoe body part which is processed is sleeved outside the shoe mold, the shoe mold is inserted into the mounting block in an inserting mode, the movable rod is used for realizing vertical displacement, the downward displacement is clamped on the positioning block of the lower forming device, the positioning block is not only used as a positioning base of the shoe mold, the hinge block is enabled to generate a rotating effect by the aid of the auxiliary handle, the left mold sleeve and the right mold sleeve which are connected through the connecting block are combined, the left mold sleeve and the right mold sleeve are combined to form the shoe mold, and a glue injection opening is formed in one outward end face of the shoe mold.

Above-mentioned left side die sleeve and right die sleeve merge together under the promotion of locating piece, but because left side die sleeve and right die sleeve two relative sides are the plane, two relative sides of left side die sleeve and right die sleeve are not closely laminated, when the injection molding machine moulds plastics toward injecting glue mouth, the melt can outwards flow from the clearance between two relative sides of left side die sleeve and right die sleeve, cause the waste of melt, the manufacturing cost of sole has been increased, in addition, the melt is after the cooling shaping is the sole in the shoe mould, the melt that outwards spills over also can cool off and be in the same place with the sole, still need cut the waste material of even on the sole after taking out the sole from the shoe mould, the manufacturing process of sole has been increased, the manufacturing cost of sole has further been improved.

Disclosure of Invention

The invention aims to solve the problems in the prior art, provides a sole injection molding machine, and aims to solve the technical problems that: how to solve the problem of material leakage of the shoe mold.

The purpose of the invention can be realized by the following technical scheme:

a sole injection molding machine comprises a machine base, a turntable assembly arranged on the machine base and a driving mechanism for driving the turntable to rotate along the circumferential direction, wherein the turntable assembly comprises a lower turntable and an upper turntable, a plurality of sole mold components are arranged on the lower turntable along the circumferential direction, a plurality of shoe last lifting components are arranged on the upper turntable along the circumferential direction, the sole mold components correspond to the shoe last lifting components one by one, each sole mold component comprises two mold frames and a sole core, the two mold frames are oppositely arranged, one ends of the mold frames are hinged on the lower turntable, sole molds are fixed on the opposite side surfaces of the two mold frames, the sole cores are positioned between the two sole molds, the turntable assembly further comprises a push rod component for driving the mold frames to be relatively close to or far away from, and the sole injection molding machine is characterized in that the push rod component comprises a connecting rod and a push block hinged on the lower turntable, one of the mold frames is connected with a rotatable locking handle, the locking handle is provided with an eccentric shaft part, one end of the connecting rod is hinged with the push block, and the other end of the connecting rod is hinged with the eccentric shaft part.

This sole injection moulding machine during operation, all install the shoe tree on every carries the shoe tree subassembly, the cover is equipped with the vamp on the shoe tree, carry the shoe tree subassembly to drive the shoe tree downstream, make the bottom surface of shoe tree be close to the sole core, the manual promotion ejector pad makes the ejector pad take place the swing, it removes towards one side of sole core to drive the framed through the connecting rod after the ejector pad swing, make two sole blocks draw close the merge each other, there is the clearance still between the relative terminal surface of two sole blocks this moment, then rotatory locking handle, because the connecting rod is articulated with the eccentric axial region on the locking handle, consequently when locking handle rotates, drive the rotation of eccentric axial region, make the connecting rod stretch toward sole core one side, the connecting rod promotes framed through the eccentric shaft and continues to rotate towards sole core one side, make the terminal surface of two sole blocks closely laminate, clearance between the relative terminal surface after two sole blocks are merged for. The structure improves the sealing effect after the two die frames are combined, so that the molten material cannot flow out from the gap between the opposite end surfaces of the two shoe bottom dies, and compared with the prior art, the structure avoids the waste of the molten material and reduces the manufacturing cost of the sole; in addition, after the melt is cooled and formed into the sole in the shoe mold, the sole can be taken out of the sole mold assembly without trimming the formed sole, so that the manufacturing process of the sole is reduced, and the manufacturing cost of the sole is further reduced.

In the above injection molding machine for soles, the rear end of the mold frame is connected with an adjusting bolt, and the rear end surface of the sole mold abuts against one end of the adjusting bolt; the shoe bottom die is characterized in that strip-shaped holes are formed in the side wall of the shoe bottom die along the front-back direction, and the shoe bottom die is connected with the die frame through fasteners penetrating through the strip-shaped holes. Because the shape of the sole mould subassembly that different shoes types correspond is inequality, the size of different sole mould subassemblies is not of uniform size, when changing big sole mould subassembly for little sole mould subassembly, need, rotatory adjusting bolt, adjusting bolt pushes up the sole mould forward for the whole forward movement of sole mould, then rethread fastener fixes the sole mould on the framed, the setting in bar hole makes the fastener can be being followed the fore-and-aft direction and removed, guarantees that the fastener can be connected with the sole mould.

In foretell sole injection moulding machine, sole mould subassembly still includes the liquid cooling board that sets up the upper surface of carousel under, the sole core can be dismantled and connect the upper surface at liquid cooling board. The back shaping is the sole in the sole mould is injected into to the melt, and the melt heat conduction is to the sole mould on, and the sole mould carries out direct cooling to the sole mould on with heat conduction to cooling structure, and then the indirect sole to in the sole mould carries out cooling for the cooling shaping of sole shortens the fashioned time of sole cooling, realizes the sole at the sole quick deciduate in the mould, has also improved the sole production efficiency of injection machine simultaneously.

In the above injection molding machine for soles, the shoe tree lifting assembly comprises a lifting rod vertically arranged on the upper turntable in a penetrating manner, a shoe tree mounting seat located below the upper turntable, and a driving piece capable of driving the lifting rod to vertically move, the shoe tree mounting seat is arranged on the lifting rod, a connecting sleeve is arranged on the upper surface of the shoe tree mounting seat, the connecting sleeve is sleeved at the lower end part of the lifting rod, a locking screw is connected to the side surface of the connecting sleeve, and one end part of the locking screw can abut against the outer peripheral surface of the lifting rod; the lower surface of the upper turntable is fixedly provided with a guide sleeve, the lifting rod penetrates through the guide sleeve, the lifting rod is in threaded connection with an adjusting sleeve, and the adjusting sleeve is positioned between the guide sleeve and the connecting sleeve; the lifting shoe last assembly comprises a lifting rod and a lifting shoe last assembly, wherein the lifting rod is provided with a first threaded hole and a second threaded hole, the inner circumferential surface of the connecting sleeve is provided with a positioning step, the lifting shoe last assembly further comprises a spring and a limiting part, the limiting part comprises a positioning bolt and a gasket connected with the positioning bolt, the positioning bolt is in threaded connection with the first threaded hole, the spring is sleeved on the positioning bolt, one end of the spring abuts against the gasket, the other end of the spring abuts against the positioning step, the driving part comprises two hinged seats arranged on the upper surface of the upper mounting plate and a crank positioned between the two hinged seats, two ends of the crank are respectively hinged on the corresponding hinged seats, the lifting rod is connected with the crank through a connecting rod, and the. When the sole injection molding machine is used, a shoe tree is arranged on a shoe tree mounting seat, a handle is rotated to drive a crank to rotate, the crank rotates to drive a lifting rod to move up and down, the shoe tree mounting seat drives the shoe tree to move down to be close to a shoe bottom die, when the shoe tree moves down to a limit position, the handle is attached to the outer edge of an upper rotating disc, a connecting point of the crank and a connecting rod is not located on the vertical axis of the lifting rod, the connecting point is back relative to the axis, the shoe tree has a tendency of being pushed up in the process of injecting glue, the connecting rod further has a tendency of moving up, and the crank has a tendency of swinging up, so that the handle is more tightly pressed on the outer edge of the upper rotating disc, and; when a thicker sole needs to be produced, the position of the shoe tree mounting seat needs to be adjusted downwards, the locking screw is unscrewed, then the adjusting sleeve is rotated to enable the adjusting sleeve to move downwards, the adjusting sleeve abuts against the connecting sleeve and pushes the shoe tree mounting seat downwards, the spring is compressed, and the shoe tree mounting seat overcomes the acting force of the spring to move downwards; when the thin sole of needs production, need upwards adjust the position with the shoe tree mount pad, the shoe tree mount pad upwards moves under the effort of spring and resets, and the upper and lower position control of shoe tree mount pad is convenient.

In foretell sole injection moulding machine, the main shaft has on the frame, the carousel assembly is connected on the main shaft, and this sole injection moulding machine still includes two at least supporting seats that are located carousel below, and all supporting seats set up along the circumference interval of carousel down, be provided with the support column along vertical slip on the supporting seat, be provided with the elastic component that makes the support column have the upwards slip trend all the time on the supporting seat, the upper end of support column has the supporting disk, the upper surface of supporting disk pastes with the lower surface of carousel down and pastes mutually and lean on. The turntable assembly in the structure rotates around the main shaft, the supporting columns on each supporting seat are attached to the lower surface of the turntable under the action of the elastic piece, the contact area between the supporting columns and the turntable is increased due to the arrangement of the supporting disks, the supporting effect on the turntable is further improved, the stable rotation of the turntable is ensured, and the lower surface of the turntable is provided with a plurality of supporting points along the circumferential direction due to the fact that more than two supporting columns are arranged along the circumferential direction of the turntable, and the stability of the turntable assembly in the rotating process is improved; the support column is leaned on with the lower carousel counterbalance under the effect of elastic component, when carousel assembly pivoted in-process takes place to rock or swing, the support column receives the decurrent pressure of carousel, and the effort that the elastic component was overcome to the support column takes place for a short time to remove downwards, and the elastic component plays pressure-buffering's effect, consequently when guaranteeing that carousel assembly rotates and has better stability, avoids the support column to receive the rigidity extrusion fracture again.

In foretell sole injection moulding machine, actuating mechanism is including setting up the driven sheave of carousel lower surface under and setting up the initiative driver plate that drives driven sheave intermittent type pivoted on the frame, the round pin of dialling that has the breach disc and is located breach disc one side on the initiative driver plate, the oil tank has in the frame, actuating mechanism still including spouting oil pipe, advancing oil pipe and oil pump, the one end that advances oil pipe extends in the oil tank, the other end is linked together with the oil inlet of oil pump, the one end of spouting oil pipe is linked together with the oil-out of oil pump, the other end is towards initiative driver plate, and when initiative driver plate circumferential direction, the nozzle opening that spouts oil pipe can spout oil in proper order on the outer peripheral face of dialling the round pin and the outer peripheral face of breach disc. When the sole injection molding machine operates, the driving drive plate drives the notch disc and the poking pin to rotate after rotating, the notch disc and the poking pin drive the turntable assembly to intermittently rotate, lubricating oil is arranged in the oil tank, the oil pump works, the lubricating oil in the oil tank flows through the oil inlet pipe, the oil pump and the oil injection pipe, the lubricating oil is outwards sprayed out from an oil injection port of the oil injection pipe, the lubricating oil is sequentially sprayed on the outer peripheral surfaces of the poking pin and the notch disc, the poking pin and the notch disc are provided with the lubricating oil, when the poking pin and the notch disc are in contact with the driven sheave, the lubricating oil can reduce the poking pin, the friction force between the notch disc and the driven sheave is reduced, the poking pin, the notch disc and the.

In the above injection molding machine for shoe soles, the driving mechanism further comprises a reduction gearbox and a motor, the reduction gearbox comprises an input shaft and an output shaft, the driving drive plate is connected with the output shaft, and the motor and the input shaft of the reduction gearbox, and the input shaft of the reduction gearbox and the oil pump are connected through a belt transmission mechanism or a chain transmission mechanism. When the motor works, the motor drives the input shaft to rotate through the belt transmission mechanism or the chain transmission mechanism, the input shaft rotates to enable the output shaft to rotate, the output shaft drives the driving plate to rotate after rotating, the sheave mechanism acts, the input shaft drives the oil pump to work through the belt transmission mechanism or the chain transmission mechanism after rotating, the oil injection port of the oil injection pipe sprays lubricating oil on the shifting pin and the notch disc after the oil pump works, when the motor stops working, the sheave mechanism and oil injection of the oil injection pipe are all stopped, therefore, the structure adopts a driving piece to realize synchronous proceeding of the action of the sheave mechanism and the oil injection port of the oil injection pipe, and the sheave mechanism is lubricated timely.

In the above injection molding machine for shoe soles, the driving mechanism further comprises an oil receiving disc and a mounting plate, the oil receiving disc is sleeved on the output shaft, the oil receiving disc is located below the driving drive plate, the mounting plate is located below the oil receiving disc, the output shaft penetrates through the mounting plate, the mounting plate is fixedly connected with the base, the oil receiving disc is fixed on the mounting plate through a plurality of supporting legs, an oil return hole is formed in the bottom surface of the oil receiving disc, the oil return hole is located above the oil tank, a first oil return pipe communicated with the oil return hole is connected to the outer bottom surface of the oil receiving disc, and the lower end of the first oil return pipe extends into the oil tank; the turntable driving device further comprises an oil collecting tray located below the driven grooved wheel, the oil collecting tray is annular, a notch is formed in one side of the oil collecting tray, so that two oil outlet ends are arranged on the oil collecting tray, and the two oil outlet ends are located above the oil receiving tray. Through the setting of this structure, lubricating oil spouts back on thumb pin and breach disc, the lubricating oil on thumb pin and the breach disc can drip in connecing the food tray, thumb pin and breach disc and driven sheave contact back, the lubricating oil on thumb pin and the breach disc is paintd on driven sheave, when lubricating oil on the driven sheave is too much, the lubricating oil drips in the oil collecting tray, lubricating oil in the oil collecting tray drips in connecing the food tray from an oil outlet end or two oil outlet ends drippage, it collects unnecessary lubricating oil to connect the food tray, the lubricating oil that connects in the food tray passes through oil gallery and returns oil pipe one and flows back to the oil tank in, make lubricating oil can be by reuse, avoid causing the waste of lubricating oil.

In the above injection molding machine for soles, the lower turntable comprises a central disc and a plurality of first unit blocks, the first unit blocks are fan-shaped, the upper surface of the central disc is provided with a raised positioning ring, the plurality of first unit blocks are arranged along the circumferential direction of the central disc, the inner end surfaces of the first unit blocks are abutted against the outer circumferential surface of the positioning ring, the inner ends of the first unit blocks are fixedly connected with the central disc, the junctions of the lower surfaces of two adjacent unit blocks are provided with first positioning blocks, and the two adjacent unit blocks are fixedly connected with the corresponding first positioning blocks; the upper rotary disc comprises a plurality of second unit blocks, the second unit blocks are arranged along the circumferential direction, the junctions of the lower surfaces of the two adjacent second unit blocks are provided with second positioning blocks, and the two adjacent first unit blocks are fixedly connected with the corresponding second positioning blocks; the first unit block and the second unit block are fixedly connected through a connecting column. When the size of a rotary table of the injection machine is overlarge and the whole injection machine cannot enter a workshop from a workshop entrance of a shoe factory, firstly, the whole injection machine is not assembled in an assembly workshop, and all parts of the injection machine are directly conveyed into the workshop of the shoe factory. The upper turntable and the lower turntable are of split structures, when the upper turntable and the lower turntable are not assembled, the central disc, the first unit blocks and the second unit blocks are small in size and dimension, the central disc, the first unit blocks and the second unit blocks can be easily moved into a workshop from a workshop entrance of a shoe factory, all the first unit blocks are circumferentially arranged and spliced to form a circular ring shape or a disc shape, adjacent first unit blocks are fixedly connected through the first positioning blocks, and after the inner ends of the first unit blocks are fixed on the central disc, the outer diameter of the central disc is equivalently expanded, the outer diameter dimension of the central disc is increased, and the large-size lower turntable is further formed; and all the second unit blocks are spliced in a circular ring shape or a disc shape along the circumferential direction, the adjacent second unit blocks are fixedly connected with each other through the two positioning blocks, an upper turntable is formed, and finally the upper turntable and a lower turntable are fixedly connected through a connecting column to complete the assembly of the turntable of the injection machine. The design of the structure overcomes the problem that the whole injection machine with the large-size rotating disc cannot be moved into a workshop from a workshop entrance of a shoe factory, the rotating disc in the large-size injection machine is transported by parts in the transportation process, the transportation is very convenient, the problem of positioning the large-size rotating disc on a transport vehicle is also avoided, and the transportation convenience of the large-size injection machine is greatly facilitated.

In the above injection molding machine for soles, the first positioning blocks correspond to the second positioning blocks one to one, the lower ends of the connecting columns are located between the two adjacent first unit blocks, the lower ends of the connecting columns penetrate through the first positioning blocks, the lower ends of the connecting columns are connected with the first locking nuts, and the first locking nuts are attached to the lower surfaces of the first positioning blocks; the upper end of the connecting column is located between the two adjacent unit blocks II and penetrates through the positioning blocks II, the upper end of the connecting column is connected with a locking nut II and a locking nut III, the locking nut II is attached to the upper surface of the unit block II, and the locking nut III is attached to the lower surface of the positioning block II. When the positioning device is assembled, the plurality of first unit blocks are arranged along the circumferential direction of the central disc, the inner end face of each first unit block abuts against the outer circumferential face of the positioning ring, the inner end portions of the first unit blocks are fixedly connected with the central disc through fasteners, the junction of every two adjacent first unit blocks is provided with a first positioning block, the first positioning block is arranged on the lower surface of the first unit block, and the end portions of every two adjacent first unit blocks are fixedly connected with the corresponding first positioning blocks through fasteners; the lower end of the connecting column penetrates between two adjacent unit blocks I, the lower end of the connecting column penetrates through the positioning block I, and the locking nut I is screwed at the lower end of the connecting column, so that the locking nut I is tightly pressed on the positioning block I; the locking nut III is screwed at the upper end of the supporting column, the positioning block II is arranged at the upper end of the connecting column in a penetrating mode, the lower surface of the positioning block II is abutted against the locking nut III, the locking nut III plays a limiting role on the positioning block II, and the positioning block II is prevented from sliding downwards along the connecting column; the unit block II is sequentially placed between two adjacent positioning blocks II, two pairs of unit blocks II form a supporting effect for every two positioning blocks, the unit blocks II are placed along the circumferential direction to form an annular structure, positioning holes II are formed in the two ends of the unit blocks II, the upper end of the connecting column is located between the two adjacent unit blocks II, the end portion of each unit block II is fixedly connected with the corresponding positioning block II through a fastener, finally, the locking nut II is screwed to the upper end of the connecting column, and the locking nut II is tightly pressed on the upper surface of the unit block II.

Compared with the prior art, the injection molding machine for the sole has the following advantages: the structure improves the sealing effect after the two die frames are combined, so that the molten material cannot flow out from the gap between the opposite end surfaces of the two shoe bottom dies, and compared with the prior art, the structure avoids the waste of the molten material and reduces the manufacturing cost of the sole; in addition, after the melt is cooled and formed into the sole in the shoe mold, the sole can be taken out of the sole mold assembly without trimming the formed sole, so that the manufacturing process of the sole is reduced, and the manufacturing cost of the sole is further reduced.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Figure 3 is a schematic view of a partially exploded structure of the sole mold assembly of the present invention.

Figure 4 is a second schematic view of a partially exploded configuration of the sole mold assembly of the present invention.

FIG. 5 is a schematic view of a partial cross-sectional structure of the lifting last assembly of the present invention.

Fig. 6 is a schematic perspective view of the second embodiment of the present invention.

Fig. 7 is a schematic view of the present invention in partial cross-section.

Fig. 8 is one of the schematic perspective views of the driving mechanism of the present invention.

Fig. 9 is a schematic perspective view of the second driving mechanism of the present invention.

Fig. 10 is a partial perspective view of the drive mechanism of the present invention.

Fig. 11 is a schematic perspective view of a turntable assembly according to the present invention.

Fig. 12 is an enlarged schematic view of a portion a in fig. 11.

FIG. 13 is a second perspective view of the turntable assembly of the present invention.

Fig. 14 is an enlarged schematic view of a portion a in fig. 13.

In the figure, 1, a machine base; 2. a turntable assembly; 20. a lower turntable; 201. a central disc; 2010. a positioning ring; 202. a unit block one; 203. a first positioning block; 204. locking the first nut; 205. locking a second nut; 206. locking a nut III; 21. an upper turntable; 210. a second unit block; 211. a second positioning block; 22. a sole mold assembly; 220. a mold frame; 221. a sole core; 222. a shoe bottom die; 2221. a strip-shaped hole; 223. adjusting the bolt; 224. a fastener; 225. a liquid-cooled plate; 23. a last lifting assembly; 230. Lifting a rod; 231. a shoe tree mounting base; 2310. connecting sleeves; 232. a drive member; 233. locking the screw; 234. a guide sleeve; 235. a spring; 2351. a hinged seat; 2352. a crank; 2353. a handle; 2354. a connecting rod; 236. a limiting member; 2361. positioning the bolt; 2362. a gasket; 24. a push rod assembly; 241. a connecting rod; 242. a push block; 243. locking the handle; 2431. an eccentric shaft portion; 3. A drive mechanism; 30. a driven sheave; 31. an active drive plate; 32. a notched disc; 33. pulling a pin; 34. An oil tank; 35. an oil spray pipe; 36. an oil inlet pipe; 37. an oil pump; 38. a reduction gearbox; 381. an input shaft; 382. an output shaft; 39. a motor; 301. an oil receiving pan; 302. mounting a plate; 303. supporting legs; 305. a first oil return pipe; 306. an oil collecting tray; 3061. a notch; 4. a main shaft; 5. a supporting seat; 6. a support pillar; 7. an elastic member; 8. a support disc; 9. connecting columns.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 5, the sole injection molding machine includes a machine base 1, a turntable assembly 2 disposed on the machine base 1, and a driving mechanism 3 for driving the turntable assembly 2 to rotate circumferentially, the turntable assembly 2 includes a lower turntable 20 and an upper turntable 21, a plurality of sole mold assemblies 22 are disposed on the lower turntable 20 circumferentially, a plurality of last lifting assemblies 23 are disposed on the upper turntable 21 circumferentially, the sole mold assemblies 22 correspond to the last lifting assemblies 23 one by one, the sole mold assemblies 22 include two mold frames 220 and a sole core 221, the two mold frames 220 are disposed oppositely, one end of each mold frame 220 is hinged to the lower turntable 20, sole molds 222 are fixed on opposite sides of the two mold frames 220, the sole core 221 is located between the two sole molds 222, the turntable assembly 2 further includes a push rod assembly 24 for driving the mold frames 220 to approach or separate from each other, and the push rod assembly 24 includes a connecting rod 241 and a push block 242 hinged to the lower turntable 20, one of the mold frames 220 is connected with a rotatable locking handle 243, the locking handle 243 is provided with an eccentric shaft part 2431, one end of the connecting rod 241 is hinged with the push block 242, and the other end is hinged with the eccentric shaft part 2431.

As shown in fig. 3 and 4, the rear end of the mold frame 220 is connected with an adjusting bolt 223, and the rear end surface of the sole mold 222 abuts against one end of the adjusting bolt 223; a strip-shaped hole 2221 is formed in the side wall of the sole mold 222 in the front-rear direction, and the sole mold 222 is connected to the mold frame 220 by a fastener 224 inserted into the strip-shaped hole 2221.

As shown in FIG. 2, the sole mold assembly 22 further includes a liquid cooling plate 225 disposed on the upper surface of the lower turntable 20, and the sole core 221 is detachably attached to the upper surface of the liquid cooling plate 225.

As shown in fig. 2 and 5, the lifting last assembly 23 includes a lifting rod 230 vertically disposed through the upper turntable 21, a shoe last mounting seat 231 located below the upper turntable 21, and a driving member 232 capable of driving the lifting rod 230 to move vertically, the shoe last mounting seat 231 is disposed on the lifting rod 230, the upper surface of the shoe last mounting seat 231 has a connecting sleeve 2310, the connecting sleeve 2310 is sleeved on the lower end of the lifting rod 230, a locking screw 233 is connected to a side surface of the connecting sleeve 2310, and one end of the locking screw 233 can abut against the outer peripheral surface of the lifting rod 230; the lower surface of the upper turntable 21 is fixed with a guide sleeve 234, the lifting rod 230 is arranged in the guide sleeve 234 in a penetrating manner, an adjusting sleeve is screwed on the lifting rod 230, and the adjusting sleeve is positioned between the guide sleeve 234 and a connecting sleeve 2310; threaded hole two 2301 is opened on the lower terminal surface of lifting rod 230, location step 2311 is opened on the inner peripheral surface of connecting sleeve 2310, last lifting component 23 still includes spring 235 and stopper 236, stopper 236 includes positioning bolt 2361 and the gasket 2362 of cover setting on positioning bolt 2361, positioning bolt 2361 and threaded hole two 2301 spiro union, spring 235 cover is established at positioning bolt 2361, the one end and the gasket 2362 of spring 235 are supported and are leaned on, the other end and positioning step 2311 are supported and are leaned on, driving piece 232 includes two articulated seats 2351 that set up on the upper surface of last carousel 21 and the crank 2352 that is located between two articulated seats 2351, the both ends of crank 2352 articulate respectively on corresponding articulated seat 2351, be connected through connecting rod 2354 between lifting rod 230 and the crank 2352, be connected with handle 2353 on the crank 2352. In this embodiment, the left side and the right side of each last lifting assembly 23 are provided with the last hanging seat 10, the last hanging seat 10 is inclined and the front end is tilted upward, when the sole is formed in the sole mold assembly 22, the last can be taken out of the last mounting seat 231 at this time, and then the last is hung on the last hanging seat 10, so as to facilitate the natural cooling of the sole.

As shown in fig. 6 and 7, the base 1 has a main shaft 4, the turntable assembly 2 is connected to the main shaft 4, the sole injection molding machine further includes at least two support seats 5 located below the lower turntable 20, all the support seats 5 are arranged along the circumferential interval of the lower turntable 20, the support seats 5 are provided with support pillars 6 along the vertical sliding direction, the support seats 5 are provided with elastic members 7 which enable the support pillars 6 to always have the upward sliding trend, the upper ends of the support pillars 6 are provided with support discs 8, and the upper surfaces of the support discs 8 are attached to the lower surfaces of the lower turntable 20.

As shown in fig. 8, 9 and 10, the driving mechanism 3 includes a driven sheave 30 disposed on the lower surface of the lower turntable 20 and a driving dial 31 disposed on the base 1 for driving the driven sheave 30 to rotate intermittently, the driving dial 31 has a notched disc 32 and a pin 33 located on one side of the notched disc 32, the base 1 has an oil tank 34 therein, the driving mechanism 3 further includes an oil injection pipe 35, an oil injection pipe 36 and an oil pump 37, one end of the oil injection pipe 36 extends into the oil tank 34, the other end of the oil injection pipe is communicated with an oil inlet of the oil pump 37, one end of the oil injection pipe 35 is communicated with an oil outlet of the oil pump 37, and the other end of the oil injection pipe faces the driving dial 31, when the driving dial 31 rotates circumferentially, an oil injection port of the oil injection pipe 35 can sequentially inject oil onto the outer circumferential surface of; the driving mechanism 3 further comprises a reduction gearbox 38 and a motor 39, the reduction gearbox 38 comprises an input shaft 381 and an output shaft 382, the driving drive plate 31 is connected with the output shaft 382, and the motor 39 is connected with the input shaft 381 of the reduction gearbox 38 and the input shaft 381 of the reduction gearbox 38 is connected with the oil pump 37 through a belt transmission mechanism or a chain transmission mechanism; the driving mechanism 3 further comprises an oil receiving disc 301 and a mounting plate 302, the oil receiving disc 301 is sleeved on the output shaft 382, the oil receiving disc 301 is located below the driving drive plate 31, the mounting plate 302 is located below the oil receiving disc 301, the output shaft 382 penetrates through the mounting plate 302, the mounting plate 302 is fixedly connected with the base 1, the oil receiving disc 301 is fixed on the mounting plate 302 through a plurality of supporting legs 303, an oil return hole is formed in the bottom surface of the oil receiving disc 301, the oil return hole is located above the oil tank 34, a first oil return pipe 305 communicated with the oil return hole is connected to the outer bottom surface of the oil receiving disc 301, and the lower end of the first oil return pipe 305 extends into the oil; the driving mechanism 3 further comprises an oil collecting tray 306 located below the driven sheave 30, the oil collecting tray 306 is annular, and a notch 3061 is formed in one side of the oil collecting tray 306, so that two oil outlet ends are formed in the oil collecting tray 306, and the two oil outlet ends are located above the oil receiving tray 301.

As shown in fig. 11, 12, 13 and 14, the lower turntable 20 includes a central disc 201 and a plurality of first unit blocks 202, the first unit blocks 202 are fan-shaped, a raised positioning ring 2010 is provided on an upper surface of the central disc 201, the plurality of first unit blocks 202 are arranged along a circumferential direction of the central disc 201, inner end surfaces of the first unit blocks 202 abut against an outer circumferential surface of the positioning ring 2010, inner ends of the first unit blocks 202 are fixedly connected with the central disc 201, a positioning block 203 is provided at a junction of lower surfaces of two adjacent first unit blocks 202, and the two adjacent first unit blocks 202 are fixedly connected with the corresponding positioning block 203; the upper turntable 21 comprises a plurality of second unit blocks 210, the second unit blocks 210 are arranged along the circumferential direction, the junctions of the lower surfaces of the two adjacent second unit blocks 210 are provided with second positioning blocks 211, and the two adjacent first unit blocks 202 are fixedly connected with the corresponding second positioning blocks 211; the unit block I202 and the unit block II 210 are fixedly connected through a connecting column 9; the first positioning blocks 203 correspond to the second positioning blocks 211 one by one, the lower end of the support column 6 is located between the first adjacent two unit blocks 202, the lower end of the connecting column 9 penetrates through the first positioning blocks 203, the lower end of the support column 6 is connected with a first locking nut 204, and the first locking nut 204 is attached to the lower surfaces of the first positioning blocks 203; the upper end of the connecting column 9 is located between two adjacent unit blocks II 210, the upper end of the connecting column 9 penetrates through the positioning blocks II 211, the upper end of the connecting column 9 is connected with a locking nut II 205 and a locking nut III 206, the locking nut II 205 is attached to the upper surfaces of the unit blocks II 210, and the locking nut III 206 is attached to the lower surfaces of the positioning blocks II 211.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A sole injection molding machine comprises a machine base (1), a turntable assembly (2) arranged on the machine base (1) and a driving mechanism (3) for driving the turntable assembly (2) to rotate along the circumferential direction, wherein the turntable assembly (2) comprises a lower turntable (20) and an upper turntable (21), a plurality of sole mold assemblies (22) are arranged on the lower turntable (20) along the circumferential direction, a plurality of last lifting assemblies (23) are arranged on the upper turntable (21) along the circumferential direction, the sole mold assemblies (22) correspond to the last lifting assemblies (23) one by one, each sole mold assembly (22) comprises two mold frames (220) and a sole core (221), the two mold frames (220) are oppositely arranged, one ends of the mold frames (220) are hinged to the lower turntable (20), sole molds (222) are fixed on the opposite side faces of the two mold frames (220), and the sole cores (221) are positioned between the two sole molds (222), the turntable assembly (2) further comprises a push rod assembly (24) which drives the mold frames (220) to be relatively close to or far away from the turntable assembly, and is characterized in that the push rod assembly (24) comprises a connecting rod (241) and a push block (242) hinged to the lower turntable (20), one of the mold frames (220) is connected with a rotatable locking handle (243), the locking handle (243) is provided with an eccentric shaft portion (2431), one end of the connecting rod (241) is hinged to the push block (242), and the other end of the connecting rod (241) is hinged to the eccentric shaft portion (2431).

2. The sole injection molding machine according to claim 1, characterized in that the rear end of the mold frame (220) is connected with an adjusting bolt (223), and the rear end surface of the sole mold (222) abuts against one end of the adjusting bolt (223); a strip-shaped hole (2221) is formed in the side wall of the shoe bottom die (222) in the front-back direction, and the shoe bottom die (222) is connected with the die frame (220) through a fastener (224) penetrating through the strip-shaped hole (2221).

3. The sole injection molding machine of claim 1, wherein the sole mold assembly (22) further comprises a liquid-cooled plate (225) disposed on an upper surface of the lower turntable (20), and the sole core (221) is removably attached to an upper surface of the liquid-cooled plate (225).

4. The sole injection molding machine according to claim 1, wherein the last lifting assembly (23) comprises a lifting rod (230) vertically arranged and penetrating through the upper turntable (21), a shoe last mounting seat (231) located below the upper turntable (21), and a driving member (232) capable of driving the lifting rod (230) to move vertically, the shoe last mounting seat (231) is arranged on the lifting rod (230), a connecting sleeve (2310) is arranged on the upper surface of the shoe last mounting seat (231), the connecting sleeve (2310) is sleeved at the lower end of the lifting rod (230), a locking screw (233) is connected to the side surface of the connecting sleeve (2310), and one end of the locking screw (233) can abut against the outer peripheral surface of the lifting rod (230); a guide sleeve (234) is fixed on the lower surface of the upper turntable (21), the lifting rod (230) is arranged in the guide sleeve (234) in a penetrating mode, an adjusting sleeve (237) is connected onto the lifting rod (230) in a threaded mode, and the adjusting sleeve (237) is located between the guide sleeve (234) and the connecting sleeve (2310); a second threaded hole (2301) is formed in the lower end face of the lifting rod (230), a positioning step (2311) is formed in the inner circumferential surface of the connecting sleeve (2310), the last lifting assembly (23) further comprises a spring (235) and a limiting piece (236), the limiting piece (236) comprises a positioning bolt (2361) and a gasket (2362) connected with the positioning bolt (2361), the positioning bolt (2361) is in threaded connection with the second threaded hole (2301), the spring (235) is sleeved on the positioning bolt (2361), one end of the spring (235) abuts against the gasket (2362) and the other end of the spring (235) abuts against the positioning step (2311), the driving piece (232) comprises two hinge seats (2351) arranged on the upper surface of the upper turntable (21) and a crank (2352) arranged between the two hinge seats (2351), and two ends of the crank (2352) are respectively hinged to the corresponding hinge seats (2351), the lifting rod (230) is connected with a crank (2352) through a connecting rod (2354), and the crank (2352) is connected with a handle (2353).

5. The injection molding machine for soles according to claim 4, characterized in that the base (1) is provided with a main shaft (4), the turntable assembly (2) is connected to the main shaft (4), the injection molding machine for soles further comprises at least two supporting seats (5) located below the lower turntable (20), all the supporting seats (5) are arranged at intervals along the circumferential direction of the lower turntable (20), the supporting seats (5) are provided with supporting columns (6) along the vertical sliding direction, the supporting seats (5) are provided with elastic members (7) which enable the supporting columns (6) to always have the upward sliding tendency, the upper ends of the supporting columns (6) are provided with supporting disks (8), and the upper surfaces of the supporting disks (8) are attached to the lower surfaces of the lower turntable (20).

6. The injection molding machine for shoe soles according to claim 1, characterized in that the driving mechanism (3) comprises a driven sheave (30) arranged on the lower surface of the lower turntable (20) and a driving dial (31) arranged on the base (1) and driving the driven sheave (30) to rotate intermittently, the driving dial (31) is provided with a notched disc (32) and a poking pin (33) located on one side of the notched disc (32), the base (1) is provided with an oil tank (34), the driving mechanism (3) further comprises an oil injection pipe (35), an oil inlet pipe (36) and an oil pump (37), one end of the oil inlet pipe (36) extends into the oil tank (34), the other end of the oil injection pipe is communicated with an oil outlet of the oil pump (37), the other end of the oil injection pipe (35) faces the driving dial (31), when the driving dial (31) rotates circumferentially, and the oil nozzle of the oil injection pipe (35) can sequentially inject oil on the peripheral surface of the shifting pin (33) and the peripheral surface of the notch disc (32).

7. The injection molding machine for the shoe sole according to claim 6, characterized in that the driving mechanism (3) further comprises a reduction gearbox (38) and a motor (39), the reduction gearbox (38) comprises an input shaft (381) and an output shaft (382), the driving dial (31) is connected with the output shaft (382), and the motor (39) and the input shaft (381) of the reduction gearbox (38) and the oil pump (37) are connected through a belt transmission mechanism or a chain transmission mechanism.

8. A sole injection molding machine according to claim 6, characterized in that the drive mechanism (3) further comprises an oil receiving pan (301) and a mounting plate (302), the oil receiving disc (301) is sleeved on the output shaft (382) and the oil receiving disc (301) is positioned below the driving drive plate (31), the mounting plate (302) is positioned below the oil receiving disc (301), the output shaft (382) is arranged on the mounting plate (302) in a penetrating way, the mounting plate (302) is fixedly connected with the base (1), the oil receiving disc (301) is fixed on the mounting plate (302) through a plurality of supporting legs (303), an oil return hole is arranged on the bottom surface of the oil receiving disc (301), the oil return hole is positioned above the oil tank (34), an oil return pipe I (305) communicated with an oil return hole is connected to the outer bottom surface of the oil receiving disc (301), and the lower end of the oil return pipe I (305) extends into the oil tank (34); the driving mechanism (3) further comprises an oil collecting tray (306) located below the driven grooved pulley (30), the oil collecting tray (306) is annular, a notch (3061) is formed in one side of the oil collecting tray (306) so that the oil collecting tray (306) is provided with two oil outlet ends, and the two oil outlet ends are located above the oil receiving tray (301).

9. The sole injection molding machine according to claim 1, characterized in that the lower turntable (20) comprises a central disc (201) and a plurality of unit blocks (202), the unit blocks (202) are fan-shaped, a raised positioning ring (2010) is arranged on the upper surface of the central disc (201), the unit blocks (202) are arranged along the circumferential direction of the central disc (201), the inner end surfaces of the unit blocks (202) abut against the outer circumferential surface of the positioning ring (2010), the inner ends of the unit blocks (202) are fixedly connected with the central disc (201), a positioning block (203) is arranged at the junction of the lower surfaces of two adjacent unit blocks (202), and the two adjacent unit blocks (202) are fixedly connected with the corresponding positioning block (203); the upper turntable (21) comprises a plurality of second unit blocks (210), the second unit blocks (210) are arranged along the circumferential direction, the junctions of the lower surfaces of the two adjacent second unit blocks (210) are respectively provided with a second positioning block (211), and the two adjacent second unit blocks (210) are respectively fixedly connected with the corresponding second positioning blocks (211); the unit block I (202) and the unit block II (210) are fixedly connected through a connecting column (9).

10. The injection molding machine for soles according to claim 9, characterized in that the first positioning blocks (203) correspond to the second positioning blocks (211) one by one, the lower end of the connecting column (9) is located between the adjacent first unit blocks (202), the lower end of the connecting column (9) penetrates through the first positioning blocks (203), the lower end of the connecting column (9) is connected with a first locking nut (204), and the first locking nut (204) is attached to the lower surface of the first positioning blocks (203); the upper end of the connecting column (9) is located between two adjacent unit blocks II (210) and the upper end of the connecting column (9) penetrates through the positioning block II (211), the upper end of the connecting column (9) is connected with a locking nut II (205) and a locking nut III (206), the locking nut II (205) is attached to the upper surface of the unit block II (210), and the locking nut III (206) is attached to the lower surface of the positioning block II (211).