CN101177035B - Injection apparatus of horizontal disc plastic-injection molding machine - Google Patents
Injection apparatus of horizontal disc plastic-injection molding machine Download PDFInfo
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- CN101177035B CN101177035B CN2007101564980A CN200710156498A CN101177035B CN 101177035 B CN101177035 B CN 101177035B CN 2007101564980 A CN2007101564980 A CN 2007101564980A CN 200710156498 A CN200710156498 A CN 200710156498A CN 101177035 B CN101177035 B CN 101177035B
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Abstract
The invention discloses an injection device for a disk type horizontal plastic injection molding machine, comprising an injection frame, a horizontal preplasticizing mechanism positioned on the injection frame, a vertical feeding mechanism, and an injection head. The invention is characterized in that: the preplasticizing mechanism comprises a material barrel with a feeding hopper, a screw, and a prime motor for driving the screw to rotate; the preplasticizing mechanism is fixedly connected with the injection head; the injection frame comprises a foundation column and a press plate; the foundation column is positioned under the press plate; the injection head is fixedly positioned at the center of the press plate; the material barrel of the horizontal preplasticizing mechanism is positioned relative static to the injection frame. The invention has an advantage of injecting more varieties of materials due to the vertical injection mechanism.
Description
Technical field
The invention belongs to plastic-injection moulding machine structural design field, be specifically related to a kind of injection device of disk type plastic injection moulding machine.
Background technology
Disk type plastic injection moulding machine is a kind of equipment of making plastic sole that is exclusively used in, often be provided with simultaneously on the used disk and overpay the die for shoe-sole of same style, different yardages, therefore mould need be arranged on the rotating disk, for mould gradation injection moulding that plastic-injection moulding machine is identical to style, yardage is different and the process operations such as sole of conveniently carrying out die sinking and taking out forming.
Disk type plastic injection moulding machine is owing to select the difference of preformed mechanism for use, generally be divided into two kinds of horizontal plastic injection mo(u)lding machine and vertical plastic injection forming machines, horizontal plastic injection mo(u)lding machine has the preformed mechanism that horizontal direction is provided with, and vertical plastic injection forming machine has preformed mechanism and the injection device that vertical direction is provided with.
Chinese patent literature CN1939693A discloses a kind of horizontal disk injecting forming unit that is used to produce at the bottom of the plastic shoes, comprises rotating-table apparatus, to the injection moulding apparatus and the mold closing mechanism of mold injects plastic liquid; Described rotating-table apparatus comprises rotatable disk and drives the motor of described disk rotation; Described injection moulding apparatus comprises horizontal articles injection-moulded; Described mold closing mechanism comprises the die cylinder that is arranged on the disk top, and described die cylinder the axis of the piston can move up and down; Described mold closing mechanism also comprises injection head, described injection head be fixedly installed on described die cylinder the axis of the piston the lower end, and can move up and down along with moving up and down of the axis of the piston; Be provided with the material feeding duct in the described injection head; Described injection moulding apparatus also comprises the material feeding hookup, is provided with the material feeding passage in the described material feeding hookup, and a side of described material feeding passage is connected with described articles injection-moulded nozzle, and the material feeding duct in its another side and the described injection head is connected; Described injection moulding apparatus melts good plastic liquid and also is injected into the mold cavity through the material feeding passage in the material feeding hookup, the material feeding duct in the injection head successively from described articles injection-moulded nozzle outflow.
This kind injection (mo(u)lding) machine is not provided with vertical injection device, but a die cylinder only is set, and the piston rod of die cylinder and horizontal barrel in articles injection-moulded be fixed together, when work, the die cylinder piston rod can move up and down, and drive horizontal articles injection-moulded and injection head simultaneously, realize matched moulds, operations such as locked mode, the injection of material is then by horizontal articles injection-moulded finishing, thereby have simple in structure, the advantage that manufacturing cost is lower, but its shortcoming is also clearly, because vertical injection mechanism is not set, the injectable material variety of this kind injection (mo(u)lding) machine is limited, has limited its large-area promoting the use of.
Summary of the invention
The object of the present invention is to provide a kind of injection apparatus of horizontal disc plastic-injection molding machine that has vertical injection mechanism, can inject more kinds of materials.
The technical scheme that realizes the object of the invention is: a kind of injection apparatus of horizontal disc plastic-injection molding machine comprises the injection frame, is arranged on horizontal preformed mechanism and injection head on the injection frame; Described preformed mechanism comprises prime mover of the barrel, screw rod and the drive screw rotation that are provided with feed hopper; Described preformed mechanism fixedlys connected with injection head;
Its design feature is: also be provided with vertical material feeding mechanism on the described injection frame; Described injection frame comprises pilum and press plate; Described pilum is arranged on the below of press plate, and described injection head is fixedly installed on the center of press plate; The relative static setting of barrel in the described horizontal preformed mechanism with described injection frame; Also comprise mold closing mechanism; Described mold closing mechanism comprises the matched moulds frame and is arranged on the matched moulds frame and is positioned at the die cylinder of disk below that described die cylinder the axis of the piston can be done and move back and forth up and down; The die cylinder the axis of the piston is fixedlyed connected with described injection head by the injection frame, and described die cylinder the axis of the piston can drive described injection head and do and pump; Described matched moulds frame 31 has the matched moulds plate of fixedlying connected with the die cylinder the axis of the piston; Described matched moulds plate and ground relative fixed are provided with, and the matched moulds plate is provided with four sliding parts; Described injection frame comprises connecting plate, pilum and press plate; The bottom of injection frame is a connecting plate, is set with four pilums with the slide positions corresponding section on connecting plate, and each pilum all passes with the corresponding sliding part in its position and can slide up and down in sliding part, and the press plate is fixedly installed on the top of pilum; Described injection head is fixedly installed on the center of press plate; The oil cylinder seat of described die cylinder is fixedly installed on the center of connecting plate; The elongation of described die cylinder the axis of the piston can promote the die cylinder seat and move downward, and die cylinder seat and then drive injection head by the injection frame and move downward is until injection head is pressed on the mould; Described die cylinder the axis of the piston shortens and can drive oil cylinder seat and move upward, and die cylinder seat and then drive injection head by the injection frame and move upward is until the injection head homing.
Barrel and described injection frame in the described horizontal preformed mechanism are fixedly connected.
Described vertical material feeding mechanism comprises material storage tube and injection cylinder; Described material storage tube is fixedly installed on the press plate, and its bottom is connected with injection head; The relative press plate of the oil cylinder seat of injection cylinder fixedly installs, and the bottom of injection cylinder the axis of the piston is arranged in the vestibule of material storage tube.
The oil cylinder seat of injection cylinder is fixedly installed on the press plate by four posts, and described barrel is also fixedlyed connected with post by fixed head.
Be provided with the material feeding duct in the described injection head; Described material hole road has charging aperture, the storing mouth, sprue and be plugged in the sprue and the sprue interference fit, be used for when non-injection moulding, preventing the injection mouth that material is gone out from the sprue water clock; The storing mouth in described injection head material feeding duct is communicated with the vestibule of material storage tube inside, and the charging aperture in described injection head material feeding duct is communicated with the outlet of barrel in the preformed mechanism.
The basic configuration of described injection mouth is a T shape, and its top is sealing, and its underpart is a discharging portion, and the diameter of described sealing is greater than the aperture of sprue; Described discharging portion stretches out the lower surface of injection head, and is provided with tapping channel in the discharging portion.
Described tapping channel is the duct of Y shape for the basic configuration that vertically is arranged in the discharging portion, perhaps for vertically being arranged on the groove on the discharging portion outer surface.
The charging aperture in material feeding duct is outer little interior big stepped hole in the described injection head, in the macropore of stepped hole, also be provided with can in stepped hole, slide in the macropore, be used for when injection moulding, preventing that material from chewing from the pass material that injection head is back to the preformed mechanism, but described pass material is chewed the sealing that comprises aperture in the shutoff stepped hole and is arranged on the charging duct of sealing periphery.
Described preformed mechanism also has defeated material hookup, is provided with the material transport hole road in the defeated material hookup; The defeated material import in material transport hole road is connected with the outlet of barrel in the described preformed mechanism, and the defeated material outlet in described material transport hole road is connected with the charging aperture of described injection head.
Described defeated material hookup is provided with the discharging connecting portion in the defeated material exit in material transport hole road, being shaped as of described discharging connecting portion has hemispherical tenon that protrudes sphere or the truncated cone-shaped tenon that protrudes taper surface, is provided with the defeated material outlet in material transport hole road in the center of described discharging connecting portion; Described injection head also is provided with the charging connecting portion at its charging aperture place, and described injection head charging aperture is positioned at the center of described charging connecting portion; Being shaped as and the shape hemispherical groove that match, that have interior concave spherical surface of the discharging connecting portion of failing the material hookup or the truncated cone-shaped groove of indent taper surface of the charging connecting portion of described injection head.
The present invention has beneficial effect:
(1) the present invention is owing to adopt and to install vertical injection mechanism additional and adopt the structural design of the barrel in the described horizontal preformed mechanism with the relative static setting of described injection frame, thereby can be suitable for more materials, have accommodation broad, floor space less, be more prone to advantages such as popularization.
Description of drawings
Fig. 1 is first kind of structural representation of the present invention;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is that the B of Fig. 1 is to view;
Fig. 4 is the local enlarged diagram at C place among Fig. 1;
Fig. 5 is the cut-away view of Fig. 4;
Fig. 6 is that sectional structure schematic diagram in the sprue that is arranged on injection head is chewed in material feeding among Fig. 1;
Fig. 7 is the sectional structure schematic diagram of sprue among Fig. 5;
Fig. 8 is the sectional structure schematic diagram that material feeding is chewed among Fig. 5;
Fig. 9 is the schematic diagram of second kind of structure of the present invention;
Figure 10 is the partial sectional view at D place among Fig. 9;
Figure 11 closes material to chew the sectional structure schematic diagram that is arranged on charging aperture in the injection head among Fig. 9;
Figure 12 is the cutaway view of charging aperture among Figure 11;
Figure 13 is that the E of Figure 12 is to view;
Figure 14 closes the structural representation that material is chewed among Figure 11;
Figure 15 is that the F of Figure 14 is to view;
Figure 16 is the sectional structure schematic diagram that the preformed mechanism in the third structure of the present invention connects with injection head by the material feeding connector;
Figure 17 is the cutaway view that is inserted in the injection mouth in the injection head sprue in the 4th kind of structure of the present invention;
Figure 18 is the horizontal disc plastic injection forming machine that adopts the foregoing description 1 described injection device to make;
Figure 19 is that the M of Figure 18 is to view;
Figure 20 is that the N of Figure 18 is to view.
Be labeled as shown in the accompanying drawing:
Rotating-table apparatus 1, disk 11, drive unit 12, pressure-bearing pallet 13, elasticity stand-off 14, fixedly stand-off 15; Injection device 2, injection frame 21, connecting plate 211, locating part 2112, pilum 212, press plate 213, preformed mechanism 22, barrel 221, feed hopper 2211, outlet 2212, prime mover 223, defeated material hookup 224, material transport hole road 2241, the import 22411 of defeated material, defeated material outlet 22412, discharging connecting portion 2242, fixed head 225, vertical material feeding mechanism 23, material storage tube 231, injection cylinder 232, injection cylinder the axis of the piston 2321, the oil cylinder seat 2322 of injection cylinder, column 2323, injection head 24, material feeding duct 241, charging aperture 2411, the macropore 24111 of stepped hole, aperture 24112 in the stepped hole, storing mouth 2412, sprue 2413, injection mouth 242, sealing 2421, its underpart are discharging portion 2422, tapping channel 24221, close material and chew 243, sealing 2431, charging duct 2432, charging connecting portion 244, sealing screwed pipe 245, shutoff nut 246; Mold closing mechanism 3, matched moulds frame 31, die cylinder 32, die cylinder the axis of the piston 321, die cylinder seat 322, matched moulds plate 311, sliding part 312, base plate 33, limited post 34; Mould 4.
The specific embodiment
(embodiment 1, injection apparatus of horizontal disc plastic-injection molding machine)
Fig. 1 to Fig. 8 has shown first kind of embodiment of the present invention.Wherein, Fig. 1 is first kind of structural representation of the present invention; Fig. 2 is that the A of Fig. 1 is to view; Fig. 3 is that the B of Fig. 1 is to view; Fig. 4 is the local enlarged diagram at C place among Fig. 1; Fig. 5 is the cut-away view of Fig. 4; Fig. 6 is that sectional structure schematic diagram in the sprue that is arranged on injection head is chewed in material feeding among Fig. 1; Fig. 7 is the sectional structure schematic diagram of sprue among Fig. 5; Fig. 8 is the sectional structure schematic diagram that material feeding is chewed among Fig. 5.
See Fig. 1 to Fig. 3, present embodiment is a kind of injection apparatus of horizontal disc plastic-injection molding machine, comprises injection frame 21, is arranged on horizontal preformed mechanism 22, vertical material feeding mechanism 23 and injection head 24 on the injection frame 21; Described preformed mechanism 22 comprises prime mover 223 of the barrel 221, screw rod and the drive screw rotation that are provided with feed hopper 2211; Described preformed mechanism 22 fixedlys connected with injection head 24.
Described injection frame 21 comprises pilum 212 and press plate 213; Described pilum 212 is arranged on the below of press plate 213, and described injection head 24 is fixedly installed on the center of press plate 213; Barrel 221 in the described horizontal preformed mechanism 22 is fixedly connected with described injection frame 21, to keep static relatively setting.
Described vertical material feeding mechanism 23 comprises material storage tube 231 and injection cylinder 232; Described material storage tube 231 is fixedly installed on the press plate 213, and its bottom is connected with injection head 24; The oil cylinder seat 2322 relative press plates 213 of injection cylinder fixedly install, and the bottom of injection cylinder the axis of the piston 2321 is arranged in the vestibule of material storage tube 231.The oil cylinder seat 2322 of injection cylinder is fixedly installed on the press plate 213 by four posts 2323, and described barrel 221 is also fixedlyed connected with post 2323 by fixed head 225.
See Fig. 4 and Fig. 5, be provided with material feeding duct 241 in the described injection head 24; Described material feeding duct 241 has charging aperture 2411, storing mouth 2412, sprue 2413 and be plugged in the sprue 2413 and sprue 2413 interference fit, be used for when non-injection moulding, preventing the injection mouth 242 that material is gone out from sprue 2413 water clocks; The storing mouth 2412 in described injection head material feeding duct 241 is communicated with the vestibule of material storage tube inside, and the charging aperture 2411 in described injection head material feeding duct is communicated with the outlet 2212 of barrel barrel 221 in the preformed mechanism.
Described preformed mechanism 22 also has defeated material hookup 224, is provided with material transport hole road 2241 in the defeated material hookup 224; The defeated material import 22411 in described material transport hole road 2241 is connected with the outlet 2212 of barrel in the described preformed mechanism, and the defeated material outlet in described material transport hole road 22412 is connected with the charging aperture 2411 of described injection head 24.
The defeated material of described defeated material hookup 224 in the material transport hole road exports 22412 places and is provided with discharging connecting portion 2242, being shaped as of described discharging connecting portion 2242 has the hemispherical tenon that protrudes sphere, is provided with the defeated material outlet 22412 in material transport hole road in the center of described discharging connecting portion 2242; Described injection head 24 also is provided with charging connecting portion 244 at its charging aperture 2411 places, and described injection head charging aperture 2411 is positioned at the center of described charging connecting portion 244; The charging connecting portion 244 of described injection head be shaped as the hemispherical groove that matches with the shape of the discharging connecting portion 2242 of defeated material hookup with interior concave spherical surface.
See Fig. 6 and Fig. 7, the bottom in described material feeding duct 241 is provided with sealing screwed pipe 245, and the outlet at bottom in described sealing screwed pipe 245 and material feeding duct 241 has been combined to form the sprue 2413 of injection head.The basic configuration of described injection mouth 242 is a T shape, and its top is sealing 2421, and its underpart is a discharging portion 2422, and the diameter of described sealing 2421 is greater than the aperture of sprue 2413; Described discharging portion 2422 stretches out the lower surface of injection head 24, and is provided with tapping channel 24221 in the discharging portion 2422.
See Fig. 8, described tapping channel 24221 is the duct of Y shape for the basic configuration that vertically is arranged in the discharging portion 2422.
(embodiment 2, injection apparatus of horizontal disc plastic-injection molding machine
Fig. 9 to Figure 15 has shown second kind of embodiment of the present invention, and Fig. 9 is the schematic diagram of second kind of structure of the present invention; Figure 10 is the partial sectional view at D place among Fig. 9; Figure 11 closes material to chew the sectional structure schematic diagram that is arranged on charging aperture in the injection head among Fig. 9; Figure 12 is the cutaway view of charging aperture among Figure 11; Figure 13 is that the E of Figure 12 is to view; Figure 14 closes the structural representation that material is chewed among Figure 11; Figure 15 is that the F of Figure 14 is to view.
See Figure 10 to Figure 14, the left side opening part in described material feeding duct 241 is provided with shutoff nut 246, and the left side outlet in described shutoff nut 246 and material feeding duct 241 has been combined to form the charging aperture 2411 of injection head.The charging aperture 2411 in material feeding duct is outer little interior big stepped hole in the described injection head 24, in the macropore 24111 of stepped hole, also be provided with can be in stepped hole slide in the macropore 24111, prevent when being used for that material from chewing 243 from the pass material that injection head 24 is back to the preformed mechanism 22 in injection moulding, but described pass material is chewed 243 and is comprised the sealing 2431 of aperture 24112 in the shutoff stepped hole and be arranged on the charging duct 2432 of sealing 2431 peripheries.
Present embodiment is moving when material discharging opening 2413 to injection head 24 in the vestibule of material storage tube 231, and chew when being injected in mould 4 die cavities 243 from material feeding, the pass material that is arranged on injection head charging aperture 2411 places this moment chews 243 under the pressure of material, towards sliding near the direction of defeated material hookup 224, make to close and expect that the sealing of chewing on 243 2431 seals up charging aperture 2411, material just can not be back to from charging aperture 2411 in the preformed mechanism 22 like this; When material inputs to injection head 24 and enters material storage tube 231 from preformed mechanism 22, close material chew 243 under the pressure of material the inside towards charging aperture 2411 also promptly slide away from the direction of defeated material hookup 243, material can enter into injection head 24 and enter material storage tube 231 from closing the charging duct 2432 that material chews on 243 this moment.
(embodiment 3, injection apparatus of horizontal disc plastic-injection molding machine)
Figure 16 be preformed mechanism in the third structure of the present invention by the material feeding connector with the sectional structure schematic diagram that injection head connects, shown the third embodiment of the present invention.
Present embodiment is substantially the same manner as Example 1, difference is: being shaped as of the discharging connecting portion 2242 of described defeated material hookup 224 has the truncated cone-shaped tenon that protrudes taper surface, the charging connecting portion 244 of described injection head be shaped as the truncated cone-shaped groove that matches with defeated shape of expecting the discharging connecting portion 2242 of hookup with indent taper surface.
(embodiment 4, injection apparatus of horizontal disc plastic-injection molding machine)
Figure 17 is the cutaway view that is inserted in the injection mouth in the injection head sprue in the 4th kind of structure of the present invention, has shown the 4th kind of embodiment of the present invention.
See Figure 17, present embodiment is substantially the same manner as Example 2, and difference is: described tapping channel 24221 is for vertically being arranged on the groove on discharging portion 2422 outer surfaces.
(application examples 1, horizontal disc plastic injection forming machine)
Figure 18 to Figure 20 has shown first kind of application mode of the present invention, and Figure 18 is the horizontal disc plastic injection forming machine that adopts the foregoing description 1 described injection device to make, and Figure 19 is that the M of Figure 18 is to view; Figure 20 is that the N of Figure 18 is to view.
The present invention is the horizontal disc plastic injection forming machine that adopts the foregoing description 1 described injection device to make, and comprises rotating-table apparatus 1, injection device 2 and mold closing mechanism 3; Described rotating-table apparatus 1 comprises that the rigidity of rotatable disk 11, support disk takes off pin 15 and drive the drive unit 12 of described disk 11 rotations; Described injection device 2 comprises injection frame 21, is arranged on horizontal preformed mechanism 22, vertical material feeding mechanism 23 and injection head 24 on the injection frame 21; Described mold closing mechanism 3 comprises matched moulds frame 31 and is arranged on the matched moulds frame 31 and is positioned at the die cylinder 32 of disk 11 belows that described die cylinder the axis of the piston 321 can be done and move back and forth up and down; Die cylinder the axis of the piston 321 is fixedlyed connected with described injection head 24 by injection frame 21, and described die cylinder the axis of the piston 321 can drive described injection head 24 and do and pump.
Described matched moulds frame 31 has the matched moulds plate 311 of fixedlying connected with die cylinder the axis of the piston 321; Described matched moulds plate 311 is provided with the ground relative fixed, and matched moulds plate 311 is provided with four sliding parts 312; Described injection frame 21 comprises connecting plate 211, pilum 212 and press plate 213; The bottom of injection frame 21 is a connecting plate 211, (Fig. 1 can only see two pilums 212 to be set with four pilums 212 with corresponding section, sliding part 312 position on connecting plate 211, two pilums 212 of back have been blocked), each pilum 212 all passes with the corresponding sliding part 312 in its position and can slide up and down in sliding part 312, and the top of pilum 212 is provided with a press plate 213 of fixedlying connected with it; Described injection head 24 is fixedly installed on the center of press plate 213; The oil cylinder seat 322 of described die cylinder is fixedly installed on the center of connecting plate 211; 321 elongations of described die cylinder the axis of the piston can promote die cylinder seat 322 and move downward, and die cylinder seat 322 and then drive injection heads 24 by injection frame 21 and move downward is until injection head 24 is pressed on the mould; Described die cylinder the axis of the piston 321 shortens and can drive oil cylinder seat 322 and move upward, and die cylinder seat 322 and then drive injection heads 24 by injection frame 21 and move upward is until injection head 24 homings; Thereby making die cylinder the axis of the piston 321 can drive described injection head 24 does and pumps.
Described preformed mechanism 22 comprises prime mover 223 of the barrel that is provided with feed hopper 2,211 221, screw rod and the drive screw rotation that vertically are provided with; Described barrel 221 is fixedlyed connected with injection head 24 in the horizontal direction; Described vertical material feeding mechanism 23 comprises material storage tube 231 and injection cylinder 232; Described material storage tube 231 is fixedly installed on the press plate 211, and its bottom is connected with injection head 24; The oil cylinder seat 2322 of injection cylinder is fixedly installed on the press plate 213 by four posts 2323 and (also can adopts other materials to replace post 2323 in other embodiments, for example round steel pipe is set in outside the material storage tube 231, the lower end of steel pipe is fixed on the press plate 213, the upper end of steel pipe is fixed on the oil cylinder seat 2322 of injection cylinder, also be feasible, but also in the protection domain that the present invention requires), described barrel 221 is also fixedlyed connected with post by fixed head 225; The bottom of injection cylinder the axis of the piston 2321 is arranged in the vestibule of material storage tube 231.
See Fig. 4 and Fig. 5, be provided with material feeding duct 241 in the described injection head 24; Described material feeding duct 241 has charging aperture 2411, storing mouth 2412, sprue 2413 and be plugged in the sprue 2413 and sprue 2413 interference fit, be used for when non-injection moulding, preventing the injection mouth 242 that material is gone out from sprue 2413 water clocks; The storing mouth 2412 in described injection head material feeding duct 241 is communicated with the vestibule of material storage tube inside, and the charging aperture 2411 in described injection head material feeding duct is communicated with the outlet 2212 of barrel barrel 221 in the preformed mechanism.
Described preformed mechanism 22 also has defeated material hookup 224, is provided with material transport hole road 2241 in the defeated material hookup 224; The defeated material import 22411 in described material transport hole road 2241 is connected with the outlet 2212 of barrel in the described preformed mechanism, and the defeated material outlet in described material transport hole road 22412 is connected with the charging aperture 2411 of described injection head 24.
The defeated material of described defeated material hookup 224 in the material transport hole road exports 22412 places and is provided with discharging connecting portion 2242, being shaped as of described discharging connecting portion 2242 has the hemispherical tenon that protrudes sphere, is provided with the defeated material outlet 22412 in material transport hole road in the center of described discharging connecting portion 2242; Described injection head 24 also is provided with charging connecting portion 244 at its charging aperture 2411 places, and described injection head charging aperture 2411 is positioned at the center of described charging connecting portion 244; The charging connecting portion 244 of described injection head be shaped as the hemispherical groove that matches with the shape of the discharging connecting portion 2242 of defeated material hookup with interior concave spherical surface.
See Fig. 6 and Fig. 7, the bottom in described material feeding duct 241 is provided with sealing screwed pipe 245, and the outlet at bottom in described sealing screwed pipe 245 and material feeding duct 241 has been combined to form the sprue 2413 of injection head.The basic configuration of described injection mouth 242 is a T shape, and its top is sealing 2421, and its underpart is a discharging portion 2422, and the diameter of described sealing 2421 is greater than the aperture of sprue 2413; Described discharging portion 2422 stretches out the lower surface of injection head 24, and is provided with tapping channel 24221 in the discharging portion 2422.
See Fig. 8, described tapping channel 24221 is the duct of Y shape for the basic configuration that vertically is arranged in the discharging portion 2422.
The course of work of the horizontal disc plastic injection forming machine of present embodiment is:
1) will overpay mould 4 and be positioned on the disk 11, mould 4 quantity how much be to decide according to disk 11 sizes, mould 4 sizes and actual needs, in general be 16 to 30 pairs; Start disk drive unit 12 then and make disk 11 rotations; Meanwhile horizontal preformed mechanism 22 also plastifies into sticky flow-like to solid material, and it is squeezed to injection head 24 and the material storage tube 231 from barrel outlet 2212 stores, described injection mouth 242 is owing to be subjected to the top-down pressure of plastic liquid, thereby the sprue 2413 that its sealing 2421 stops up injection head seals sprue 2413, anti-leak-stopping material; When disk 11 turned to correct position, disk drive unit 12 stopped operating, and disk 11 is also along with stopping operating, this moment one pair of mould just in time be positioned at injection head 24 under;
2) die cylinder the axis of the piston 321 elongations, promoting die cylinder seat 322 moves downward, oil cylinder seat 322 drives injection frame 21 synchronously and moves downward, and drive the injection head 24 that is fixed on the press plate 213 by injection frame 21, final injection head 24 is tightened up and is squeezed on mould 4 upper surfaces, and makes injection mouth 242 aim at the injection port of mould 4; Afterwards, discharging portion in the injection mouth 242 2422 is owing to hindered by mould 4, so by jack-up upwards, thereby make that plastic liquid can be from the tapping channel 24221 of discharging portion 2422;
3) injection device 2 begins to carry out injection work, 2321 elongations of injection cylinder the axis of the piston, thereby fluid foods in the material storage tube is exerted pressure, the material that promotes in the material storage tube 231 moves downward, and material is injected into mould 4 die cavities through the injection port of the tapping channel 24221 in the injection mouth 24 from mould 4; After the plastic liquid injection volume reached predetermined amount, injection cylinder the axis of the piston 2321 stopped elongation, also promptly stops injection of plastic fluid in mould 4 die cavities;
4) after injection device 2 stops material feeding, die cylinder the axis of the piston 321 also will be squeezed in injection head 24 tensions pressurize a period of time on mould 4 upper surfaces again, with the pressurize operation of delaying time, be also referred to as locked mode work, the plastic liquid cooling that is beneficial in the mold cavity is fixed-type;
5) after die cylinder the axis of the piston 321 is finished time-delay pressurize work, the axis of the piston 321 of die cylinder begins to shorten, drive die cylinder seat 322 and move upward, and together move upward by injection frame 21 drive injection heads 24 simultaneously, until the original position of getting back to separately; Disk drive unit 12 starts again and makes disk 11 rotate to next correct position then, make next pair mould just in time be positioned at injection head 24 under; The horizontal disc plastic injection forming machine of present embodiment begins to carry out next round injection moulding operation.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (10)
1. an injection apparatus of horizontal disc plastic-injection molding machine comprises injection frame (21), is arranged on horizontal preformed mechanism (22) and injection head (24) on the injection frame (21); Described preformed mechanism (22) comprises prime mover (223) of the barrel (221), screw rod and the drive screw rotation that are provided with feed hopper (2211); Described preformed mechanism (22) fixedlys connected with injection head (24);
It is characterized in that: also be provided with vertical material feeding mechanism (23) on the described injection frame (21); Described injection frame (21) comprises pilum (212) and press plate (213); Described pilum (212) is arranged on the below of press plate (213), and described injection head (24) is fixedly installed on the center of press plate (213); The relative static setting with described injection frame (21) of barrel (221) in the described horizontal preformed mechanism (22), described barrel (221) are also fixedlyed connected with post (2323) by fixed head (225);
Also comprise mold closing mechanism (3); Described mold closing mechanism (3) comprises matched moulds frame (31) and is arranged on the die cylinder (32) that disk (11) below was gone up and be positioned to matched moulds frame (31) that described die cylinder the axis of the piston (321) can be done and move back and forth up and down; Die cylinder the axis of the piston (321) is fixedlyed connected with described injection head (24) by injection frame (21), and described die cylinder the axis of the piston (321) can drive described injection head (24) and do and pump;
Described matched moulds frame 31 has the matched moulds plate (311) of fixedlying connected with die cylinder the axis of the piston (321); Described matched moulds plate (311) is provided with the ground relative fixed, and matched moulds plate (311) is provided with four sliding parts (312); Described injection frame (21) comprises connecting plate (211), pilum (212) and press plate (213); The bottom of injection frame (21) is connecting plate (211), go up and sliding part (312) corresponding section, position is set with four pilums (212) at connecting plate (211), each pilum (212) all passes with the corresponding sliding part in its position (312) and can slide up and down in sliding part (312), and press plate (213) is fixedly installed on the top of pilum (212); Described injection head (24) is fixedly installed on the center of press plate (213); The oil cylinder seat of described die cylinder (322) is fixedly installed on the center of connecting plate (211); Described die cylinder the axis of the piston (321) elongation can promote die cylinder seat (322) and move downward, and die cylinder seat (322) and then move downward by injection frame (21) drive injection head (24) is until injection head (24) is pressed on the mould; Described die cylinder the axis of the piston (321) shortens and can drive oil cylinder seat (322) and move upward, and die cylinder seat (322) and then move upward by injection frame (21) drive injection head (24) is until injection head (24) homing.
2. injection apparatus of horizontal disc plastic-injection molding machine according to claim 1 is characterized in that: the barrel (221) in the described horizontal preformed mechanism (22) is fixedly connected with described injection frame (21).
3. injection apparatus of horizontal disc plastic-injection molding machine according to claim 1 is characterized in that: described vertical material feeding mechanism (23) comprises material storage tube (231) and injection cylinder (232); Described material storage tube (231) is fixedly installed on the press plate (213), and its bottom is connected with injection head (24); The oil cylinder seat of injection cylinder (2322) press plate (213) relatively fixedly installs, and the bottom of injection cylinder the axis of the piston (2321) is arranged in the vestibule of material storage tube (231).
4. horizontal disc plastic injection forming machine according to claim 3 is characterized in that: the oil cylinder seat of injection cylinder (2322) is fixedly installed on the press plate (213) by four posts (2323).
5. injection apparatus of horizontal disc plastic-injection molding machine according to claim 3 is characterized in that: be provided with material feeding duct (241) in the described injection head (24); Described material feeding duct (241) has charging aperture (2411), storing mouth (2412), sprue (2413) and be plugged in the sprue (2413) and sprue (2413) interference fit, be used for when non-injection moulding, preventing the injection mouth (242) that material is gone out from sprue (2413) water clock; The storing mouth (2412) in described injection head material feeding duct (241) is communicated with the vestibule of material storage tube inside, and the charging aperture (2411) in described injection head material feeding duct is communicated with the outlet (2212) of barrel (221) in the preformed mechanism.
6. injection apparatus of horizontal disc plastic-injection molding machine according to claim 5, it is characterized in that: the basic configuration of described injection mouth (242) is a T shape, its top is sealing (2421), its underpart is discharging portion (2422), and the diameter of described sealing (2421) is greater than the aperture of sprue (2413); Described discharging portion (2422) stretches out the lower surface of injection head (24), and is provided with tapping channel (24221) in the discharging portion (2422).
7. injection apparatus of horizontal disc plastic-injection molding machine according to claim 6, it is characterized in that: described tapping channel (24221) is the duct of Y shape for the basic configuration that vertically is arranged in the discharging portion (2422), perhaps for vertically being arranged on the groove on discharging portion (2422) outer surface.
8. injection apparatus of horizontal disc plastic-injection molding machine according to claim 7, it is characterized in that: the charging aperture (2411) in the interior material feeding of described injection head (24) duct is outer little interior big stepped hole, in the macropore (24111) of stepped hole, also be provided with and can be in stepped hole slide in the macropore (24111), be used for preventing when injection moulding that material from chewing (243) from the pass material that injection head (24) is back to the preformed mechanism (22), described pass material is chewed (243) but is comprised the sealing (2431) of aperture in the shutoff stepped hole (24112) and be arranged on the charging duct (2432) of sealing (2431) periphery.
9. injection apparatus of horizontal disc plastic-injection molding machine according to claim 1 is characterized in that: described preformed mechanism (22) also has defeated material hookup (224), is provided with material transport hole road (2241) in the defeated material hookup (224); The defeated material import (22411) in material transport hole road (2241) is connected with the outlet (2212) of barrel in the described preformed mechanism, and the defeated material outlet (22412) in described material transport hole road is connected with the charging aperture (2411) of described injection head (24).
10. injection apparatus of horizontal disc plastic-injection molding machine according to claim 9, it is characterized in that: described defeated material hookup (224) locates to be provided with discharging connecting portion (2242) in the defeated material outlet (22412) in material transport hole road, being shaped as of described discharging connecting portion (2242) has hemispherical tenon that protrudes sphere or the truncated cone-shaped tenon that protrudes taper surface, is provided with the defeated material outlet (22412) in material transport hole road in the center of described discharging connecting portion (2242); Described injection head (24) locates also to be provided with charging connecting portion (244) at its charging aperture (2411), and described injection head charging aperture (2411) is positioned at the center of described charging connecting portion (244); The hemispherical groove that being shaped as of the charging connecting portion (244) of described injection head matched with the shape of the discharging connecting portion (2242) of defeated material hookup or the truncated cone-shaped groove of indent taper surface with interior concave spherical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101564980A CN101177035B (en) | 2007-11-03 | 2007-11-03 | Injection apparatus of horizontal disc plastic-injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101564980A CN101177035B (en) | 2007-11-03 | 2007-11-03 | Injection apparatus of horizontal disc plastic-injection molding machine |
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| Publication Number | Publication Date |
|---|---|
| CN101177035A CN101177035A (en) | 2008-05-14 |
| CN101177035B true CN101177035B (en) | 2011-05-25 |
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| CN2007101564980A Expired - Fee Related CN101177035B (en) | 2007-11-03 | 2007-11-03 | Injection apparatus of horizontal disc plastic-injection molding machine |
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| CN101407097B (en) * | 2008-10-30 | 2010-06-23 | 南京华格电汽塑业有限公司 | Rotating support of injection moulding machine |
| CN104886881B (en) * | 2015-05-22 | 2017-12-29 | 天津贝迪安全设备有限公司 | Disk polyurethane dual density even helps Sole moulding streamline and its processing method |
| CN112223651A (en) * | 2020-10-09 | 2021-01-15 | 曾镇涛 | Injection molding machine is with hindering material injection device certainly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1935491A (en) * | 2006-10-07 | 2007-03-28 | 金孝禹 | Disk type plastic injection moulding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1935491A (en) * | 2006-10-07 | 2007-03-28 | 金孝禹 | Disk type plastic injection moulding machine |
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