CN210552565U

CN210552565U - Full-automatic EVA secondary foaming carousel make-up machine

Info

Publication number: CN210552565U
Application number: CN201921397154.3U
Authority: CN
Inventors: 周云
Original assignee: Dongguan Dongli Machinery Technology Co Ltd
Current assignee: Dongguan Dongli Machinery Technology Co Ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-05-19
Anticipated expiration: 2029-08-27

Abstract

The utility model relates to a full-automatic EVA secondary foaming turntable forming machine, which comprises a bearing bottom frame, a mold station, an oil cylinder hydraulic driving system, a heating device, a cooling device, a turntable and a turntable driving device, wherein the mold station is arranged above the bearing bottom frame and consists of a heating mold station, a cooling mold station and a material taking and placing station, the heating device is arranged in the heating mold station, the cooling device is arranged in the cooling mold station, when the full-automatic EVA secondary foaming turntable forming machine works, an operator puts EVA products into the mold at the material taking and placing station, the turntable driving device drives the turntable to rotate, the mold sequentially passes through the heating mold station and the cooling mold station from the material taking and placing station, the heating device and the cooling device respectively heat and cool the mold, and finally returns to the material taking and placing station, automatic processing, intensity of labour is little, uses manpower and materials sparingly, greatly reduced cost.

Description

Full-automatic EVA secondary foaming carousel make-up machine

Technical Field

The utility model relates to a EVA secondary foaming make-up machine, concretely relates to full-automatic EVA secondary foaming carousel make-up machine.

Background

EVA, the Chinese name is ethylene-vinyl acetate copolymer, is a modified plastic, has the advantages of good buffering, shock resistance, heat insulation, moisture resistance, chemical corrosion resistance, no toxicity, no water absorption and the like, and is commonly used for manufacturing refrigerator guide pipes, gas pipes, civil engineering boards, containers, daily necessities, buffer protectors, soles and the like. In the EVA manufacturing field, especially for products requiring higher flexibility and better air permeability, such as soles, EVA is added with an EVA foaming agent to form a product rough blank through one-time foaming molding, then the product rough blank is placed into a mold to be subjected to secondary foaming through hot pressing, cooling and other processes, a plurality of air holes are formed in the product rough blank to enhance the flexibility and air permeability of the product, mechanical equipment for performing secondary foaming on EVA is called an EVA secondary foaming molding machine in the industry, the conventional EVA secondary foaming molding machine is of a flat plate direct insertion type structure and is provided with a plurality of heating and cooling stations which are parallel and level, an operator needs to manually push the mold into the heating station to heat the mold and then pull the mold out to the cooling station to cool the mold, the traditional EVA secondary foaming molding machine has the disadvantages of high labor intensity, low efficiency, high labor cost, low heating and cooling efficiency, long foaming waiting time and incapability of production by a single machine, multiple devices must be configured, and the cost burden of the machine is large.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect that prior art EVA secondary foaming make-up machine exists, the utility model provides a full-automatic EVA secondary foaming carousel make-up machine, concrete technical scheme is as follows:

a full-automatic EVA secondary foaming turntable forming machine comprises a bearing bottom frame, a mold station, an oil cylinder hydraulic driving system, a heating device, a cooling device, a turntable and a turntable driving device, wherein the mold station is arranged above the bearing bottom frame and consists of a heating mold station, a cooling mold station and a material taking and placing station, an upper bearing plate and a lower bearing plate are arranged in the heating mold station and the cooling mold station, the oil cylinder is arranged at the bottom of the lower bearing plate, the oil cylinder hydraulic driving system is arranged at the center of the mold station, the oil cylinder hydraulic driving system drives the oil cylinder to start, the heating device is arranged in the heating mold station, the cooling device is arranged in the cooling mold station, the heating device and the cooling device respectively heat and cool a mold, the turntable is arranged in the middle of the mold station, the turntable is provided with mold supporting ports which are arranged around the circumference of a central shaft of the turntable and used for placing, and a rotary table driving device is arranged at the material taking and placing station and drives the rotary table to rotate, and the mold sequentially passes through the heating mold station and the cooling mold station from the material taking and placing station and then returns to the material taking and placing station.

As the utility model discloses an optimal scheme, bear the underframe frame and form by the welding of 8 trapezoidal frames, corresponding heating mould station has 4, and cooling mould station has 3, gets to put the material station and has 1.

As the utility model discloses a preferred scheme, hydro-cylinder hydraulic drive system includes that oil tank, oil pump, partial pressure valve and many oil pipe constitute, and oil tank top installation oil pump, oil pump drive hydraulic oil reach the partial pressure valve, and the partial pressure valve passes through oil pipe and divides the oil to each hydro-cylinder.

As a preferred scheme, heating device includes heating device, heat source input pipeline, go up the hot plate, lower hot plate, heat source output pipeline, heating device passes through heat source input pipeline and inputs hot medium to last hot plate, in the hot plate down, go up the hot plate, be equipped with the hot runner of heat supply medium circulation in the hot plate down, runner import and heat source input pipeline intercommunication, runner export and heat source output pipeline intercommunication, it installs in last bearing plate below to go up the hot plate, lower hot plate is installed in bearing plate top down, oil cylinder drive is down the hot plate and is shifted up, the hot plate is shifted up the mould and is contacted last hot plate down, go up the hot plate, the hot plate passes through the heat transfer heating mould with the heat of hot medium down, the hot medium after the cooling gets back to heating device through heat source output pipeline.

As the utility model discloses an optimal scheme, the heated board is installed in the heated mould station outside, and the heat preservation is installed in the heat source input pipeline outside.

As a preferred proposal of the utility model, the cooling device comprises a cold supply device, a cold source input pipeline, an upper cooling plate and a lower cooling plate, cold source output pipeline and water catch bowl, the cooling device passes through cold source input pipeline and inputs the coolant liquid to last cooling plate, in the cooling plate down, go up the cooling plate, be equipped with the cooling runner that supplies the coolant liquid circulation in the cooling plate down, the cooling runner is equipped with a plurality of cooling holes that supply the coolant liquid blowout to the mould surface, cooling runner import and cooling input pipeline intercommunication, it installs in last bearing plate below to go up the cooling plate, the cooling plate is installed in lower bearing plate top down, the water catch bowl is installed to lower bearing plate below, the cooling plate shifts up under the oil cylinder drive, the cooling plate pushes up the mould and shifts up the contact to last cooling plate down, go up the cooling plate, the cooling plate spouts the mould surface with the coolant liquid down, the water catch bowl is collected the coolant liquid and is got back to the cooling device through cold source output pipeline.

As an optimal scheme of the utility model, waterproof cover is installed to the hydro-cylinder of cooling die station department.

As a preferred scheme, carousel drive arrangement includes motor, speed reducer, fluted disc, drive wheel, outer bearing wheel, interior positioning wheel subassembly, the motor drive speed reducer starts, the speed reducer is installed in getting material station department, the speed reducer output shaft upwards stretches out the installation drive wheel, a plurality of drive wheels around carousel center pin circumference range are installed to the carousel top, the drive wheel cooperatees with the fluted disc, outer bearing wheel of mould station outside installation and interior positioning wheel subassembly of inboard installation, outer bearing wheel is located the carousel outside and is used for the bearing carousel, interior positioning wheel subassembly is located the carousel inboard and is used for fixing a position the carousel.

As a preferred scheme of the utility model, interior positioning wheel subassembly includes mounting plate, mounting bracket, lower gyro wheel, goes up the gyro wheel, mounting plate fixed mounting in bearing plate top down, mounting bracket top installation mounting bracket, and the mounting bracket top is rotated and is installed lower gyro wheel, last gyro wheel, and lower gyro wheel axis and last gyro wheel axis mutually perpendicular contact lower gyro wheel outer peripheral face and carousel bottom surface contact, go up the gyro wheel outer peripheral face and contact with the carousel inner peripheral face.

As the utility model discloses a preferred scheme, hold in the palm the die orifice and have 8, hold in the palm the die orifice and for the radius angle direction, every holds in the palm the die orifice and has placed 1 or 1 above mould.

The utility model has the advantages that: full-automatic EVA secondary foaming carousel make-up machine is at the during operation, operating personnel puts into the mould with the EVA product in getting material station department, carousel drive arrangement drive carousel rotates, the mould is followed and is got material station and set out heating die station, cooling die station in proper order, heating device, cooling device heats the mould respectively, the cooling, finally get back to and get material station, automated processing, low in labor strength, the material resources of using manpower sparingly, the greatly reduced cost, for traditional dull and stereotyped formula structure EVA secondary foaming make-up machine, output promotes 30% ~ 40%, cost of labor reduces 50%.

Drawings

Fig. 1 is an overall perspective view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is an exploded view of the various stations of the present invention;

FIG. 4 is a perspective view of the heated mold station of the present invention with upper and lower heating plates installed;

FIG. 5 is a perspective view of the cooling mold station of the present invention with upper and lower cooling plates installed;

fig. 6 is a perspective view of the hydraulic cylinder driving system of the present invention;

FIG. 7 is a perspective view of the heat source input pipe, the heat source output pipe and the heated mold station of the present invention;

fig. 8 is a schematic structural view of a hot runner in the upper heating plate according to the present invention;

fig. 9 is a perspective view of the cold source input pipeline, the cold source output pipeline and the cooling mold station of the present invention;

fig. 10 is a perspective view of the upper cooling plate of the present invention;

fig. 11 is a schematic structural view of a cooling flow channel in the upper cooling plate of the present invention;

fig. 12 is a perspective view of the turntable of the present invention at each station;

fig. 13 is a perspective view of the turntable driving device of the present invention engaged with a turntable;

FIG. 14 is an enlarged view at A of FIG. 13;

fig. 15 is a schematic view of the assembly of the turntable, the outer bearing wheel and the inner positioning wheel assembly of the present invention;

fig. 16 is a perspective view of the inner positioning wheel assembly of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in figures 1-5, a full-automatic EVA secondary foaming turntable forming machine comprises a bearing bottom frame 1, a mold station 2, an oil cylinder 3, an oil cylinder hydraulic drive system 4, a heating device, a cooling device, a turntable 7 and a turntable drive device 8, wherein the mold station 2 is arranged above the bearing bottom frame 1, the mold station 2 is formed by vertically welding a steel material to the bottom frame, the mold station 2 comprises a heating mold station 21, a cooling mold station 22 and a material taking and placing station 23, an upper bearing plate 24 and a lower bearing plate 25 are arranged in the heating mold station 21 and the cooling mold station 22, the upper bearing plate 24 is positioned above the lower bearing plate, the oil cylinder 3 is arranged at the bottom of the lower bearing plate 25, the oil cylinder hydraulic drive system 4 is arranged at the center of the mold station 2, the oil cylinder hydraulic drive system 4 drives the oil cylinder 3 to start, the heating device is arranged in the heating mold station 21, a cooling device is arranged in a cooling mould station 22, a cylinder 3 drives a heating device and the cooling device to be matched, the heating device and the cooling device respectively heat and cool a mould, a rotary table 7 is arranged in the middle of a mould station 2, the rotary table 7 is provided with mould supporting openings 71 which are arranged around the circumference of the central shaft of the rotary table 7 and used for placing the mould, a rotary table driving device 8 is arranged at a material taking and placing station 23, the rotary table driving device 8 drives the rotary table 7 to rotate, and the mould sequentially passes through a heating mould station 21 and a cooling mould station 22 from the material taking and placing station 23 and then returns to the material taking and placing station 23.

It is specific, bear the weight of the underframe frame and form regular octagon by 8 trapezoidal frame welding, corresponding heating mold station 21 has 4, cooling mold station 22 has 3, get and put material station 23 and have 1, workable 2 moulds in every station, 4 heating mold station heat the foaming to same mould, 3 cooling mold station is to same mould cooling design, avoid the energy consumption loss, the multistation heating, the cooling, and when operating personnel got the blowing on getting and putting material station 23, 14 moulds can be processed simultaneously to the machine, the linkage is good, reduce process time, improve the productivity.

As shown in fig. 6, the hydraulic cylinder driving system 4 includes an oil tank 41, an oil pump 42, a pressure dividing valve 43, and a plurality of oil pipes, wherein the oil pump 42 is installed above the oil tank 41, the oil pump 42 drives hydraulic oil to the pressure dividing valve 43, and the pressure dividing valve 43 divides the oil into the oil cylinders through the oil pipes, so as to realize synchronous start of the oil cylinders.

As shown in fig. 4, 7 and 8, the heating apparatus includes a heating apparatus (not shown), a heat source input pipe 51, an upper heating plate 52, a lower heating plate 53 and a heat source output pipe 54, the heating apparatus inputs a heat medium liquid into the upper heating plate 52 and the lower heating plate 53 through the heat source input pipe 51, hot runners 55 through which the heat medium flows are provided in the upper heating plate 52 and the lower heating plate 53, an inlet of the hot runner 55 is communicated with the heat source input pipe 51, an outlet of the hot runner 55 is communicated with the heat source output pipe 54, the upper heating plate 52 is installed below the upper pressure plate 24, the lower heating plate 52 is installed above the lower pressure plate 25, the oil cylinder 3 drives the lower heating plate 52 to move up, the lower heating plate 52 moves up against the mold to contact the upper heating plate 53, the upper heating plate 52 and the lower heating plate 53 heat medium heats the mold through heat transfer, the cooled heat medium returns to, the heated board is installed in the heating mould station outside, and the heat preservation is installed in the heat source input pipeline outside, prevents to heat the temperature heat dissipation of station too fast.

As shown in fig. 6, 9, 10 and 11, the cooling device includes a cooling device, a cold source input pipeline 61, an upper cooling plate 62, a lower cooling plate 63, a cold source output pipeline 64 and a water collection tank 66, the cooling device inputs the cooling liquid into the upper cooling plate 62 and the lower cooling plate 63 through the cold source input pipeline, a cooling flow channel 66 for the cooling liquid to circulate is arranged in the upper cooling plate 62 and the lower cooling plate 63, the cooling flow channel 66 is provided with a plurality of cooling holes 67 for the cooling liquid to spray out to the surface of the mold, the cooling holes 67 are arranged in the grooves of the cooling plates, the inlets of the cooling flow channel 66 are communicated with the cooling input pipeline 61, the upper cooling plate 62 is arranged below the upper bearing plate 24, the lower cooling plate 63 is arranged above the lower bearing plate 26, the water collection tank 66 is arranged below the lower bearing plate 26, the lower cooling plate 63 is driven by a cylinder to move upwards, the lower cooling plate 63 is pressed against the mold to move upwards to contact with the upper cooling plate 62, the upper cooling plate 62 and the lower cooling plate, the water collecting tank 66 collects the dripped cooling liquid and returns to the cooling device through the cold source output pipeline 64, and in order to prevent the oil cylinder from rusting by water, the oil cylinder at the cooling mold station is provided with a waterproof sleeve.

As shown in fig. 12 to 14, the turntable driving device 8 includes a motor 81, a speed reducer 82, a gear plate 83, a driving wheel 84, an outer bearing wheel 85, and an inner positioning wheel assembly 86, the motor 81 drives the speed reducer 82 to start, the speed reducer 82 is installed at the material picking and placing station 23, the output shaft of the speed reducer extends upwards to install the driving wheel 84, a plurality of driving wheels 84 arranged around the circumference of the central axis of the turntable 7 are installed above the turntable 7, the driving wheels 84 are matched with the gear plate 83, the outer bearing wheel 85 is installed at the outer side of the mold station 2, the inner positioning wheel assembly 86 is installed at the inner side, the outer bearing wheel 85 and the inner positioning wheel assembly 86 are respectively provided with a plurality, the outer bearing wheel 85 is located at the outer side of the turntable 7 for bearing the turntable 7, the inner positioning wheel assembly 86 is located at the inner side of the turntable 7, there are 8 mold, according to the flexible adjustment of the size of the mold, in the embodiment, 2 molds are preferably placed in the mold supporting opening 71, and two heating and cooling positions, namely two oil cylinders, two upper and lower heating plates and two upper and lower cooling plates, are arranged in each of the heating mold station 21 and the cooling mold station 22.

As shown in fig. 15, the inner positioning wheel assembly 86 includes a mounting base plate 861, a mounting frame 862, a lower roller 863, and an upper roller 864, wherein the mounting base plate 861 is fixedly mounted above the lower bearing plate 25, the mounting frame 862 is mounted above the mounting base plate 861, the lower roller 863 and the upper roller 864 are rotatably mounted above the mounting frame 862, a central axis of the lower roller 863 is perpendicular to a central axis of the upper roller 864, an outer circumferential surface of the lower roller 863 contacts with a bottom surface of the turntable 7, an outer circumferential surface of the upper roller 864 contacts with an inner circumferential surface of the turntable 7, the lower roller 863 and the outer bearing wheel 85 cooperate to more uniformly bear the weight of the turntable 7, and the.

To sum up, the utility model discloses full-automatic EVA secondary foaming carousel make-up machine has following advantage:

compared with the traditional flat plate direct-insertion type EVA secondary foaming forming machine, the EVA secondary foaming forming machine has the advantages that the output is improved by 30-40%, and the labor cost is reduced by 50%;

the heating device and the cooling device work in a circulating heating and cooling mode, so that energy consumption is effectively saved, and the cooling liquid of the cooling device directly contacts the mold, so that the mold can rapidly cool the EVA product inside for shaping, the cooling speed is high, and the production efficiency is improved;

the design of the turntable driving device 8 is reasonable, the turntable can be effectively driven to rotate among 8 stations for transposition, the outer bearing wheels 85 and the inner positioning wheel assembly 86 are matched to effectively realize bearing and positioning, and the stability of the turntable during rotation is ensured;

and the layout structure of the oil cylinder hydraulic driving system 4 is reasonable in design, so that the space is effectively saved, and a plurality of oil cylinders can synchronously act.

The above description is provided for the purpose of describing the present invention in more detail with reference to the preferred embodiments, and it should not be construed that the present invention is limited to these descriptions, and it will be apparent to those skilled in the art that the present invention can be implemented in many ways without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a full-automatic EVA secondary foaming carousel make-up machine which characterized in that: the device comprises a bearing bottom frame, a mold station, an oil cylinder hydraulic driving system, a heating device, a cooling device, a rotary table and a rotary table driving device, wherein the mold station is arranged above the bearing bottom frame and consists of a heating mold station, a cooling mold station and a material taking and placing station, an upper bearing plate and a lower bearing plate are arranged in the heating mold station and the cooling mold station, the oil cylinder is arranged at the bottom of the lower bearing plate, the oil cylinder hydraulic driving system is arranged at the center of the mold station, the oil cylinder hydraulic driving system drives the oil cylinder to start, the heating device is arranged in the heating mold station, the cooling device is arranged in the cooling mold station, the heating device and the cooling device respectively heat and cool the mold, the rotary table is arranged in the middle of the mold station, and is provided with mold supporting ports which are arranged around the circumference of the central shaft of the rotary, and a rotary table driving device is arranged at the material taking and placing station and drives the rotary table to rotate, and the mold sequentially passes through the heating mold station and the cooling mold station from the material taking and placing station and then returns to the material taking and placing station.

2. The full-automatic EVA secondary foaming turntable forming machine according to claim 1, characterized in that: bear the underframe frame and form by 8 trapezoidal frame welding, corresponding heating mold station has 4, and cooling mold station has 3, gets to expect that station has 1.

3. The full-automatic EVA secondary foaming turntable forming machine according to claim 1, characterized in that: the oil cylinder hydraulic driving system comprises an oil tank, an oil pump, a pressure dividing valve and a plurality of oil pipes, wherein the oil pump is arranged above the oil tank, the oil pump drives hydraulic oil to reach the pressure dividing valve, and the pressure dividing valve divides the oil to each oil cylinder through the oil pipes.

4. The full-automatic EVA secondary foaming turntable forming machine according to claim 1, characterized in that: the heating device comprises a heating device, a heat source input pipeline, an upper heating plate, a lower heating plate and a heat source output pipeline, wherein the heating device inputs a heat medium into the upper heating plate and the lower heating plate through the heat source input pipeline, hot runners for circulation of the heat medium are arranged in the upper heating plate and the lower heating plate, a runner inlet is communicated with the heat source input pipeline, a runner outlet is communicated with the heat source output pipeline, the upper heating plate is arranged below the upper bearing plate, the lower heating plate is arranged above the lower bearing plate, the lower heating plate is driven by an oil cylinder to move upwards, the lower heating plate pushes against the mould to move upwards to contact the upper heating plate, the heat of the heat medium passes through a heat transfer heating mould, and the cooled heat medium returns to the heating device through the.

5. The full-automatic EVA secondary foaming turntable forming machine according to claim 4, characterized in that: the outside of the heating mould station is provided with a heat insulation plate, and the outside of the heat source input pipeline is provided with a heat insulation layer.

6. The full-automatic EVA secondary foaming turntable forming machine according to claim 1, characterized in that: the cooling device comprises a cooling device, a cold source input pipeline, an upper cooling plate, a lower cooling plate, a cold source output pipeline and a water collecting tank, the cooling device inputs cooling liquid into the upper cooling plate through the cold source input pipeline, the lower cooling plate is arranged in the upper cooling plate, a cooling runner for the circulation of the cooling liquid is arranged in the lower cooling plate, the cooling runner is provided with a plurality of cooling holes for the cooling liquid to be sprayed out of the surface of the mold, the inlet of the cooling runner is communicated with the cooling input pipeline, the upper cooling plate is arranged below the upper bearing plate, the lower cooling plate is arranged above the lower bearing plate, the water collecting tank is arranged below the lower bearing plate, the oil cylinder drives the lower cooling plate to move upwards, the lower cooling plate pushes the mold to move upwards to contact with the upper cooling plate, the lower cooling plate sprays the cooling liquid onto the surface of the mold, and the water collecting tank collects the cooling liquid and.

7. The full-automatic EVA secondary foaming turntable forming machine according to claim 6, characterized in that: and a waterproof sleeve is arranged on an oil cylinder at the cooling mould station.

8. The full-automatic EVA secondary foaming turntable forming machine according to claim 1, characterized in that: the rotary table driving device comprises a motor, a speed reducer, a fluted disc, a driving wheel, an outer bearing wheel and an inner positioning wheel assembly, wherein the motor drives the speed reducer to start, the speed reducer is installed at a material taking and placing station, an output shaft of the speed reducer upwards extends out and installs the driving wheel, a plurality of driving wheels which are arranged around the circumference of a central shaft of a rotary table are installed above the rotary table, the driving wheel is matched with the fluted disc, the outer bearing wheel is installed at the outer side of the mould station, the inner positioning wheel assembly is installed at the inner side of the rotary table, the outer bearing wheel.

9. The full-automatic EVA secondary foaming turntable forming machine according to claim 8, characterized in that: interior locating wheel subassembly includes mounting plate, mounting bracket, lower gyro wheel, goes up the gyro wheel, and mounting plate fixed mounting is in bearing plate top down, and mounting bracket is installed to mounting plate top, and gyro wheel, last gyro wheel are down rotated to the installation in mounting bracket top, and lower gyro wheel axis and last gyro wheel axis mutually perpendicular contact, and the lower gyro wheel outer peripheral face contacts with the carousel bottom surface, and the last gyro wheel outer peripheral face contacts with the carousel inner peripheral surface.

10. The full-automatic EVA secondary foaming turntable forming machine according to claim 1, characterized in that: the mould opening that holds in the palm has 8, holds in the palm the mould opening and be the fillet direction, and 1 or 1 above mould has been placed to every support mould opening.