CN118493739B

CN118493739B - A three-shot vertical turntable injection molding machine

Info

Publication number: CN118493739B
Application number: CN202410761699.7A
Authority: CN
Inventors: 林仁翔; 刘刚; 骆志洪
Original assignee: Guangzhou Shengguangyu Machinery Equipment Co ltd
Current assignee: Guangzhou Shengguangyu Machinery Equipment Co ltd
Priority date: 2024-06-13
Filing date: 2024-06-13
Publication date: 2024-12-03
Anticipated expiration: 2044-06-13
Also published as: CN118493739A

Abstract

The invention relates to the technical field of silica gel injection equipment, in particular to a three-shot vertical rotary table injection molding machine, which comprises a frame, an electric box, an oil tank, a frame sealing plate and a control box, wherein three combined mold mechanisms and a group of ejection mechanisms are arranged on the inner side of a cavity formed by the frame sealing plate and the frame, the top of each combined mold mechanism is correspondingly provided with an ejection mechanism, an indexing mechanism and a concentrated water carrying combination are arranged between the three combined mold mechanisms and the group of ejection mechanisms, the top of the oil tank is provided with an oil circuit control mechanism, the oil way control mechanism is provided with an oil tank frame sealing plate on the outer side, and a water drain, an air pressure conditioning combination and a cooler are arranged on the outer side of the oil tank frame sealing plate.

Description

Three-shot vertical rotary table injection molding machine

Technical Field

The invention relates to the technical field of silica gel injection molding equipment, in particular to a three-shot vertical rotary table injection molding machine.

Background

The injection machine is the main molding equipment for manufacturing plastic products with various shapes from thermoplastic plastics or thermosetting plastics by using a plastic molding die, and has the advantages of one-step molding of plastic products with complex appearance, accurate size or compact texture with metal inserts. With the development of the social industry, people put forth various different demands on plastic products, and the demands on multicolor products and multi-material products are increasing. Most multicolor multi-material products are operated by more than two machines separately and by multiple persons, thus leading to the increase of labor and plant cost of factories.

The prior art discloses a China patent with a publication number of CN 213733022U, which discloses a pressing die device, a working table, a turntable device, a rotary positioning control device and a material taking device, wherein the turntable device is arranged on the working table, the pressing die device is arranged inside the working table and is connected with the turntable device, the rotary positioning control device is arranged in the working table, and a bracket is arranged at the upper end of the working table.

However, the prior art still has certain defects, such as the technical scheme with the publication number of CN 213733022U, in the use process, the surplus edge waste needs to be frequently removed, so that the production continuity is lower, the production efficiency is reduced, and the occupied area of the whole machine is increased due to the arrangement of the material taking device.

Disclosure of Invention

The invention aims to provide a three-shot vertical rotary table injection molding machine, which solves the problems in the prior art.

The aim of the invention can be achieved by the following technical scheme:

The utility model provides a three penetrate vertical carousel injection molding machine, includes the frame and fixedly locates the tripod in the frame bottom outside, electric box and oil tank are installed to frame one end, frame shrouding and control the case are installed to the frame other end, the cavity inboard that frame shrouding and frame enclose is provided with three combination mould mechanism and a set of ejection mechanism, and every locking mechanism top corresponds to be provided with ejection mechanism, and is provided with indexing mechanism and concentrated water transport combination between three combination mould mechanism and the a set of ejection mechanism, the oil tank top is provided with oil circuit control mechanism, the oil circuit control mechanism outside is provided with oil tank frame shrouding, water row, atmospheric pressure are taked in combination and cooler are installed in the oil tank frame shrouding outside, and form circulation loop between water row, cooler and the concentrated water transport combination.

In a preferred embodiment, the mold clamping mechanism comprises a lower mold bearing plate arranged at the top of a frame sealing plate and a rapid mold opening and closing high-pressure oil cylinder combination arranged at the bottom of the lower mold bearing plate, the rapid mold opening and closing high-pressure oil cylinder combination comprises three groups of bottom plates, three mold clamping columns are fixedly arranged on the top end surfaces of the three groups of bottom plates, each mold clamping column movably penetrates through the lower mold bearing plate, a mold clamping column guide sleeve is arranged at the joint of the lower mold bearing plate and each mold clamping column, a high-pressure oil cylinder is fixedly arranged at the top of each bottom plate, a positioning oil cylinder is arranged on the lower mold bearing plate, and a duplex oil path block is arranged between the oil inlet end of the positioning oil cylinder and the oil path control mechanism;

The lower mould bearing plate is characterized in that four lower moulds which are uniformly distributed in an annular mode are arranged at the center of the top of the lower mould bearing plate, lower mould heat insulation boards are arranged at the top of each lower mould, an upper mould is arranged at the position of the top of each lower mould corresponding to each bottom plate, an upper mould sleeve is arranged outside a mould clamping column at the corresponding position, an upper mould heat insulation board is arranged at the bottom end of each upper mould, the lower moulds at the corresponding positions are controlled by high-pressure oil cylinders to act, and safety gratings are fixedly arranged at four corners of the top of the lower mould bearing plate.

In a preferred embodiment, the injection mechanism comprises an injection seat adapter plate fixedly installed at the top end of the upper die at a corresponding position and an injection protection plate arranged at the top of the injection seat adapter plate, a hydraulic motor and a seat inlet oil cylinder are fixedly installed on the inner side of the injection protection plate, the bottom end of a piston rod of the seat inlet oil cylinder is fixedly installed with the injection seat adapter plate, the end part of an output shaft of the hydraulic motor is connected with a plastic screw rod, the bottom end of the hydraulic motor is provided with a motor bearing seat, a plastic barrel is arranged outside the plastic screw rod, and a rubber head and an injection nozzle are sequentially installed at the bottom end inside the plastic barrel from top to bottom;

The injection base adapter plate is characterized in that an injection base guide post is fixedly arranged on the top end face of the injection base adapter plate and used for guiding the injection mechanism to slide, a blanking pipe communicated with the plastic gun barrel is arranged on the surface of the injection protection plate in a penetrating mode, and a displacement resistance ruler is arranged on the inner side of the injection protection plate.

In a preferred embodiment, the ejection mechanism comprises an ejection cylinder arranged at the bottom of the lower die bearing plate, a plurality of ejection guide rods are fixedly arranged between the ejection cylinder and the lower die bearing plate, ejector pins are movably sleeved between the outer surfaces of the ejection guide rods, the end parts of piston rods of the ejection cylinder are fixedly connected with the ejector pins, and ejector pins are fixedly arranged at the tops of the ejector pins.

In a preferred embodiment, the indexing mechanism comprises a rotary table movably attached to the center position of the top end surface of the lower die bearing plate and a rotary table pressing plate fixedly arranged on the top of the lower die bearing plate and uniformly distributed along the circumferential direction of the rotary table, the lower die is arranged on the top of the rotary table, a servo motor is arranged at the bottom of the lower die bearing plate, the end part of an output shaft of the servo motor movably penetrates through the lower die bearing plate, a gear meshed with the rotary table is fixedly arranged at the end part of the output shaft of the servo motor, and a rotary table gear shield wrapping the outer edge of the rotary table and the gear is arranged at the top of the lower die bearing plate.

In a preferred embodiment, the oil circuit control mechanism comprises an oil circuit block and a connecting steel pipe arranged at the top of the oil circuit block, and further comprises an electric heating block plug board and an oil distributing block which are arranged inside the injection protection plate, wherein the connecting steel pipe consists of an injection pipe and a storage pipe, connecting hoses are respectively communicated between two parts of the connecting steel pipe and the oil distributing block as well as the hydraulic motor, and an oil pipe shield is fixedly arranged at the top of an upper cover plate of the oil tank frame sealing plate corresponding to the position of the connecting steel pipe.

In a preferred embodiment, the plastic gun barrel consists of an outer barrel and an inner barrel, wherein the inner barrel comprises an upper section, a middle section and a lower section, annular plates are fixedly sleeved at the edge positions of the outer peripheral surfaces of the opposite ends of the upper section and the lower section and the edge positions of the outer peripheral surfaces of the two ends of the middle section, two sinking grooves are formed in the bottom end surfaces of the annular plates on the outer sides of the bottom ends of the upper section and the middle section of the inner barrel, a limiting guide groove is formed in one side of the inner part of the two sinking grooves, two limiting blocks are fixedly arranged on the top end surfaces of the annular plates on the outer sides of the top ends of the lower section and the middle section of the inner barrel, and a plurality of groups of uniformly distributed grooves are formed in the outer peripheral surfaces of the middle section of the inner barrel;

the outer cylinder comprises a left half part and a right half part, one opposite end of the left half part and one opposite end of the right half part are hinged, a clamping assembly is arranged between the other opposite end of the left half part and the other opposite end of the right half part, arc grooves and heat conducting strips are respectively arranged at two ends and the middle part of the inner peripheral surfaces of the left half part and the right half part of the outer cylinder, and a plurality of uniformly distributed ceramic electric heating plates are embedded in the inner peripheral surfaces of the left half part and the right half part of the outer cylinder.

In a preferred embodiment, the chucking subassembly is including fixing the boss at the left half of urceolus and right half surface border position, install U type frame through the round bar rotation between the boss both ends of left half, U type frame middle part activity runs through the grafting has the arm-tie, the arm-tie extends to the inboard one end of U type frame and is fixed and be equipped with the card strip, card strip both ends middle part is all fixed and is equipped with the straight bar, the straight bar in position department that corresponds the position straight bar in U type frame both ends all has seted up and has worn the groove, and two straight bars are opposite one end respectively the activity wear to locate the inslot portion of corresponding position, the straight bar extends to the one end surface of wearing inslot portion and wears fixedly connected with spring between one side of groove cavity, the draw-in groove has been seted up to the boss surface of right half.

In a preferred embodiment, the bottom end of the frame is integrally provided with an air cushion mechanism, the air cushion mechanism comprises an air conditioner fixed on one side of the frame and air cushion modules fixedly embedded in each machine foot, and an auxiliary air pipe is connected between each air cushion module and the air outlet end of the air conditioner.

In a preferred embodiment, the air inlet end of the air conditioner is provided with a connecting pipe, and one side of the surface of the air conditioner corresponding to the connecting pipe is connected with a sleeve cover through a rope belt.

The invention has the beneficial effects that:

1. The whole machine is matched with three combined die mechanisms, three groups of injection mechanisms, an oil way control mechanism and an ejection mechanism to form a rotary multi-station injection action through the indexing mechanism, and is matched with the positioning mechanism, the control panel and the protection mechanism to perform action control, and the centralized water conveying assembly and the water discharging and cooling control product molding are matched;

2. According to the invention, the plastic gun barrel adopts a split type inner barrel and outer barrel design, so that not only can each component of the plastic gun barrel and the corresponding glue injection component be conveniently cleaned and replaced, but also the heat for preventing glue solution from solidifying can be utilized to the maximum extent;

3. The air cushion module is integrally arranged in the machine foot, so that the device can be more relaxed and labor-saving in the process of transferring the device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;

FIG. 1 is a schematic view of the overall structure of a first view angle of the present invention;

FIG. 2 is a schematic view of the overall structure of a second view angle of the present invention;

FIG. 3 is a schematic view of a partial structure of the present invention;

FIG. 4 is a schematic view of the mold clamping unit of FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the injection mechanism of the present invention;

FIG. 6 is a schematic view of a first view of the clamping mechanism of the present invention;

FIG. 7 is a schematic view of a second view of the clamping mechanism of the present invention;

FIG. 8 is a schematic view of an exploded construction of a plastic barrel of the present invention;

FIG. 9 is an enlarged schematic view of the portion A of FIG. 8 in accordance with the present invention;

FIG. 10 is a schematic view of the left half of the outer barrel of the present invention;

FIG. 11 is an enlarged schematic view of the portion B of FIG. 10 in accordance with the present invention;

FIG. 12 is a schematic view of the right half of the outer barrel of the present invention;

FIG. 13 is a schematic view of the assembly of the air cushion mechanism with the frame of the present invention;

fig. 14 is an enlarged schematic view of the structure of the portion C in fig. 13 according to the present invention.

The reference numerals in the figure are as follows, 1, a mold clamping mechanism; 101, upper die; 102, lower die; 103, upper mold insulating plates, 104, lower mold insulating plates, 105, lower mold bearing plates, 2, injection mechanisms, 201, injection protection plates, 202, blanking pipes, 203, motor bearing seats, 204, displacement resistance ruler, 205, seat intake cylinders, 206, plastic barrels, 2061, inner cylinders, 2062, outer cylinders, 2063, grooves, 2064, heat conducting strips, 2065, clamping assemblies, 2066, ceramic electric heating plates, 207, injection seat adapter plates, 208, injection seat guide posts, 209, hydraulic motors, 3, water rows, 4, oil path control mechanisms, 41, oil path blocks, 42, connecting steel pipes, 43, connecting hoses, 44, oil separation blocks, 45, electric heating blocks, 46, oil pipe shields, 5, electric boxes, 6, control boxes, 7, concentrated water transport combinations, 8, indexing mechanisms, 81, turntables, 82, turnplate pressing plates, 83, gears, 84, servo motors, 9, safety gratings, 10, machine frames, 11, oil boxes, 12, air pressure conditioning combinations, 13, oil box frames, 14, turnplate gear covers, 15, turnplate covers, 15, 17, guide rods, 209, hydraulic motors, 3, water rows, 4, oil path control blocks, 41, oil circuit blocks, oil guide plates, 41, oil path blocks, oil guide boxes, 5, electric boxes, electrical boxes, 6, control boxes, 7, concentrated water transport combinations, 8, 11, indexing mechanisms, 81, turntable, 82, turntable plates, 17, 18, clamp plates, 18, clamp plates, 2004, 13, 14, 13, 14, jack boxes, 13, 16, 13, 16, 13, 21, 13, 13,.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1-2 and fig. 4 of the drawings, a three-shot vertical rotary table injection molding machine according to an embodiment of the present invention includes a frame 15 and a machine foot 16 fixedly disposed at an outer side of a bottom end of the frame 15, an electric tank 5 and an oil tank 11 are installed at one end of the frame 15, a frame sealing plate 10 and a control tank 6 are installed at the other end of the frame 15, three combined mold mechanisms 1 and a group of ejection mechanisms 19 are disposed at an inner side of a cavity enclosed by the frame sealing plate 10 and the frame 15, an ejection mechanism 2 is correspondingly disposed at a top of each of the combined mold mechanisms 1, an indexing mechanism 8 and a concentrated water transport combination 7 are disposed between the three combined mold mechanisms 1 and the group of ejection mechanisms 19, an oil path control mechanism 4 is disposed at a top of the oil tank 11, an oil tank frame sealing plate 13 is disposed at an outer side of the oil tank control mechanism 4, a water drain 3, an air pressure conditioning combination 12 and a cooler 17 are installed at an outer side of the oil tank frame 13, and a circulation loop is formed among the water drain 3, the cooler 17 and the concentrated water transport combination 7.

It should be noted that, the whole machine forms a rotary multi-station silica gel injection action by matching the indexing mechanism 8 with the three-combination die mechanism 1, the three-combination injection mechanism 2, the oil way control mechanism 4 and the ejection mechanism 19, and forms a product by matching the concentrated water conveying assembly and the water discharging and cooling control.

Specifically, as shown in fig. 3-4 and fig. 6-7, the clamping mechanism 1 comprises a lower die bearing plate 105 arranged at the top of a frame sealing plate 10 and a quick die opening and closing high-pressure oil cylinder combination 20 arranged at the bottom of the lower die bearing plate 105, the quick die opening and closing high-pressure oil cylinder combination 20 comprises three groups of bottom plates 2001, three clamping columns 2005 are fixedly arranged on the top end surfaces of the three groups of bottom plates 2001, each clamping column 2005 penetrates through the lower die bearing plate 105 movably, a clamping column guide sleeve 2004 is arranged at the joint of the lower die bearing plate 105 and each clamping column 2005, a high-pressure oil cylinder 2002 is fixedly arranged at the top of each bottom plate 2001, a positioning oil cylinder 18 is arranged on the lower die bearing plate 105, and a duplex oil path block 2003 is arranged between the oil inlet end of the positioning oil cylinder 18 and the oil path control mechanism 4;

Four lower dies 102 which are uniformly distributed in an annular shape are arranged at the center of the top of the lower die bearing plate 105, lower die heat insulation plates 104 are arranged at the top of each lower die 102, upper dies 101 are arranged at the positions, corresponding to each bottom plate 2001, of the top of each lower die 102, the upper dies 101 are sleeved outside the corresponding mold clamping columns 2005, upper die heat insulation plates 103 are arranged at the bottom end of each upper die 101, the high-pressure oil cylinders 2002 control the lower dies 102 at the corresponding positions to act, and safety gratings 9 are fixedly arranged at four corners of the top of the lower die bearing plate 105.

In the operation process of the mechanism, when the finished product corresponding to the lower die position is determined to be taken out (or the insertion is placed to be finished) and the ejection is confirmed to be ejected to the bottom, the quick die opening action is performed through the quick die opening and closing high-pressure oil cylinder combination 20, then after the station is switched by the indexing mechanism 8, the quick die opening action is performed through the quick die opening and closing high-pressure oil cylinder combination 20, after the die is closed in place, the high-pressure oil cylinder 2002 is used for pressurizing, and the ejection mechanism 2 is used for completing the glue ejection action, and then the molding is waited for;

In addition, when the safety grating detects that a person approaches to the clamping area during clamping, the clamping action is forcibly stopped, and an alarm matched with the outside is given out.

Specifically, as shown in fig. 1 and 5, the injection mechanism 2 includes an injection seat adapter plate 207 fixedly installed at the top end of the upper mold 101 at a corresponding position and an injection protection plate 201 arranged at the top of the injection seat adapter plate 207, a hydraulic motor 209 and a seat oil inlet cylinder 205 are fixedly installed at the inner side of the injection protection plate 201, the bottom end of a piston rod of the seat oil inlet cylinder 205 is fixedly installed with the injection seat adapter plate 207, the end part of an output shaft of the hydraulic motor 209 is connected with a plastic screw, the bottom end of the hydraulic motor 209 is provided with a motor bearing seat 203, a plastic barrel 206 is arranged outside the plastic screw, and the bottom end inside the plastic barrel 206 is sequentially provided with a glue head and an injection nozzle from top to bottom;

The top end surface of the injection seat adapter plate 207 is fixedly provided with an injection seat guide post 208, the injection seat guide post 208 is used for guiding the injection mechanism 2 to slide, the surface of the injection protection plate 201 is penetrated with a blanking pipe 202 communicated with a plastic gun barrel 206, and the inner side of the injection protection plate 201 is provided with a displacement resistance ruler 204.

It should be noted that, in the process of operation of the mechanism, when the mold closing operation is completed, the hydraulic motor 209 drives the plastic screw to rotate, so that the glue solution entering the plastic barrel 206 is conveyed forward, is sprayed out from the nozzle to the inside of the mold cavity formed by the mold closing operation after passing through the glue head, and in the process of glue injection, the glue injection operation point is monitored in real time by assisting the displacement resistance ruler 204, so that the glue injection process is ensured to reach the standard.

Specifically, as shown in fig. 6, the ejection mechanism 19 includes an ejection cylinder 191 disposed at the bottom of the lower mold carrier plate 105, a plurality of ejection guide rods 192 are fixedly disposed between the ejection cylinder 191 and the lower mold carrier plate 105, an ejector plate 193 is movably sleeved between the outer surfaces of the plurality of ejection guide rods 192, and a piston rod end of the ejection cylinder 191 is fixedly connected with the ejector plate 193, and an ejector rod 194 is fixedly disposed at the top of the ejector plate 193.

In the process of ejecting the mechanism, after the station switching is completed through the indexing mechanism 8, the piston rod of the ejection cylinder 191 pushes the ejector plate 193 upward, so as to drive the ejector rod 194 to complete the ejection.

Specifically, as shown in fig. 4 and 6, the indexing mechanism 8 includes a turntable 81 movably attached to a center position of a top end surface of a lower mold carrier plate 105, and turntable pressing plates 82 fixedly arranged at the top of the lower mold carrier plate 105 and uniformly distributed along a circumferential direction of the turntable 81, the lower mold 102 is mounted at the top of the turntable 81, a servo motor 84 is mounted at the bottom of the lower mold carrier plate 105, an output shaft end of the servo motor 84 movably penetrates through the lower mold carrier plate 105, a gear 83 meshed with the turntable 81 is fixedly arranged at an output shaft end of the servo motor 84, and a turntable gear shield 14 wrapping an outer edge of the turntable 81 and the gear 83 is arranged at the top of the lower mold carrier plate 105.

In the process of station switching, the gear 83 is driven to rotate by the servo motor 84, the rotating gear 83 is utilized to drive the rotary table 81 to rotate 90 degrees to complete station switching, wherein the arrangement of the rotary table pressing plate 82 can ensure that the gear 83 and the rotary table 81 always keep a stable meshing state, and the arrangement of the rotary table gear shield 14 can protect the indexing mechanism 8 from being put into a meshing transmission area, so that the indexing mechanism 8 is prevented from being damaged due to the fact that the meshing area is blocked by foreign matters.

Specifically, as shown in fig. 1-3 and fig. 5, the oil path control mechanism 4 includes an oil path block 41, a connection steel pipe 42 installed at the top of the oil path block 41, an electric heating block plug board 45 and an oil distributing block 44 installed inside the injection protection plate 201, the connection steel pipe 42 is composed of an injection pipe and a storage pipe, connection hoses 43 are respectively communicated between two parts of the connection steel pipe 42 and the oil distributing block 44 as well as the hydraulic motor 209, and an oil pipe shield 46 is fixedly arranged at the position of the top of the upper cover plate of the oil tank frame sealing plate 13 corresponding to the connection steel pipe 42.

It should be noted that, in the continuous operation process of the device, the oil path block 41 is used for stably supplying oil to the oil cylinder matched with the corresponding motion control through the corresponding connecting steel pipe 42 and the corresponding connecting hose 43, so as to ensure the accurate matching of the motion control, wherein the oil pipe shield 46 can effectively prevent the connecting steel pipe 42 from receiving the external force collision to influence the oil supply motion.

In summary, the working process of the device is as follows:

The first process comprises confirming that the finished product of the lower die d is taken out (or the insert is placed to be completed), confirming that the top is moved back to the bottom/the positioning is moved back to the bottom, rapidly opening the upper die a '/the upper die b '/the upper die c ' to open the upper die upwards (simultaneously injecting the seat to complete the material storage), rotating the rotating disc for driving the assembly to rotate 90 degrees, positioning to confirm (when the lower die d is aligned with the upper die a ', the lower die e is aligned with the upper die b ', the lower die f is aligned with the upper die c ', the lower die g is aligned with the ejection), rapidly closing the upper die a '/the upper die b '/the upper die c ' to be closed downwards (simultaneously ejecting the ejection mechanism to eject the upper die), closing the upper die in place to be pressurized by the high-pressure cylinder, injecting the lower die g/injecting the lower die c to complete the injection, waiting the product forming time (simultaneously taking out the product or placing the insert)

The second process comprises the steps of confirming the top and bottom withdrawing/positioning and withdrawing, fast mold opening action of the upper mold a '/the upper mold b '/the upper mold c ' (simultaneously the injection seat finishes the material storage), rotating the turntable for driving the assembly to rotate 90 degrees, positioning and confirming (when the lower mold g is aligned with the upper mold a ', the lower mold d is aligned with the upper mold b ', the lower mold e is aligned with the upper mold c ', the lower mold f is aligned with the ejection), fast mold closing action of the upper mold a '/the upper mold b '/the upper mold c ' is downward clamped (simultaneously the ejection action of the ejection mechanism), mold clamping in place is performed by pressurizing, the injection of the injection a/injection b/injection c is performed, waiting for the product forming time (simultaneously the lower mold f takes out the product or places the insert), and the like

Confirming top-bottom/positioning-bottom-quick die opening action of upper die a '/upper die b '/upper die c ' upwards (simultaneously injection seat is used for completing material storage), turntable driving component action of turntable rotating 90 degrees-positioning-confirmation (when the lower die f is aligned with upper die a ', the lower die g is aligned with upper die b ', the lower die d is aligned with upper die c ', the lower die e is aligned with ejection), quick die closing action of upper die a '/upper die b '/upper die c ' downwards (simultaneously ejection mechanism ejection action), die closing in-place die clamping high-pressure cylinder pressurization-injection of injection a/injection b/injection c is completed, waiting for product forming time (simultaneously lower die e is used for taking out product or placing insert), and the like)

The fourth step of confirming the top-bottom/positioning-bottom-quick mold opening action of the upper mold a '/the upper mold b '/the upper mold c ' (simultaneously the injection seat completes the material storage), -the rotation of the turntable driving assembly action turntable by 90 DEG-positioning-confirmation (when the lower mold e is aligned with the upper mold a ', the lower mold f is aligned with the upper mold b ', the lower mold g is aligned with the upper mold c ', the lower mold d is aligned with the ejection), quick mold closing action of the upper mold a '/the upper mold b '/the upper mold c ' is downward-simultaneously the ejection action of the ejection mechanism), the mold closing in place of the high-pressure cylinder for pressurization-the injection of the injection a/injection b/injection c is completed, the injection of the injection is waited for the product forming time (simultaneously the lower mold d takes out the product or places the insert)), and the injection is completed

One cycle period is completed.

Example 2

Referring to fig. 8-12 of the specification, in an embodiment of the present invention, a three-shot vertical rotary disk injection molding machine, a plastic barrel 206 is composed of an outer barrel 2062 and an inner barrel 2061, the inner barrel 2061 includes an upper section, a middle section and a lower section, the peripheral surface edge positions of the opposite ends of the upper section and the lower section and the peripheral surface edge positions of the two ends of the middle section are fixedly sleeved with annular plates, two sinking grooves 21 are formed on the bottom end surfaces of the annular plates on the outer sides of the upper section and the bottom end of the middle section of the inner barrel 2061, a limiting guide groove 22 is formed on one side of the inside of the two sinking grooves 21, two limiting blocks 23 are fixedly formed on the top end surfaces of the annular plates on the outer sides of the lower section and the top end of the middle section of the inner barrel 2061, and a plurality of groups of evenly distributed grooves 2063 are formed on the peripheral surface of the middle section of the inner barrel 2061;

the outer barrel 2062 comprises a left half part and a right half part, one of opposite ends of the left half part and the right half part is hinged, a clamping assembly 2065 is arranged between the other opposite ends of the left half part and the right half part, arc grooves and heat conducting strips 2064 are respectively arranged at two ends and the middle part of the inner peripheral surfaces of the left half part and the right half part of the outer barrel 2062, and a plurality of uniformly distributed ceramic electric heating plates 2066 are embedded in the inner peripheral surfaces of the left half part and the right half part of the outer barrel 2062.

It should be noted that, the two limiting guide grooves 22 on the same annular plate are arranged in central symmetry about the vertical central axis of the plastic gun barrel 206, and the limiting guide grooves 22 and the limiting blocks 23 are both in a T-shaped structure, so that when the inner barrel 2061 including the upper section, the middle section and the lower section is butted by the left half part and the right half part of the outer barrel 2062, the upper section, the middle section and the lower section can be pre-butted by the limiting blocks 23 clamped in the limiting guide grooves 22, thereby enabling the annular ring formed by the arc grooves on the left half part and the right half part of the outer barrel 2062 to quickly buckle the two annular plates at the corresponding positions, and the clamping assembly 2065 is used for clamping to complete the butt joint, so that the operation is convenient and quick;

After the outer barrel 2062 completely buckles the corresponding area of the inner barrel 2061, the tail ends of the heat conducting strips 2064 on the inner wall of the outer barrel 2062 are just inserted into the grooves 2063 on the outer peripheral surface of the middle section of the inner barrel 2061, so that the thermal image inner barrel 2061 generated by the operation of the ceramic electric heating plates 2066 can be guided, the glue solution in the plastic gun barrel 206 can not be partially solidified, and the heat dissipation rate can be reduced;

the plastic gun barrel 206 is designed into the split inner barrel and the split outer barrel, so that all parts of the plastic gun barrel 206 and corresponding glue injection parts can be cleaned and replaced conveniently, and the heat for preventing glue solution from solidifying can be utilized to the maximum extent.

Specifically, the clamping assembly 2065 includes a protruding plate 24 fixed at the edge positions of the outer surfaces of the left half and the right half of the outer barrel 2062, a U-shaped frame 25 is rotatably installed between two ends of the protruding plate 24 of the left half, a pulling plate 26 movably penetrates through the middle of the U-shaped frame 25, one end of the pulling plate 26 extending to the inner side of the U-shaped frame 25 is fixedly provided with a clamping strip 27, two middle parts of two ends of the clamping strip 27 are fixedly provided with straight strips 29, positions of the two ends of the U-shaped frame 25 corresponding to the straight strips 29 are provided with penetrating grooves 28, opposite ends of the two straight strips 29 are movably penetrated into the penetrating grooves 28 at corresponding positions respectively, a spring 30 is fixedly connected between one end surface of the inside of the penetrating grooves 28 and one side of the penetrating grooves 28, and the surface of the protruding plate 24 of the right half is provided with a clamping groove 31.

It should be noted that, when the left half and the right half of the outer tube 2062 of each section of the inner tube 2061 are fastened, only the pulling plate 26 is pulled outwards, so as to drive the straight bar 29 to compress the spring 30 along the through groove 28, so that the distance between the clamping bar 27 and the convex plate 24 at the position becomes larger, then the U-shaped frame 25 is shifted to deflect the clamping bar 27 to the clamping groove 31 opposite to the surface of the convex plate 24 on the right half, and then the pulling force on the pulling plate 26 is removed, so that the clamping bar 27 is inserted into the clamping groove 31 under the action of the restoring force of the spring 30, thereby completing the fastening, and being convenient and quick to assemble and disassemble.

Example 3

13-14, An air cushion mechanism is integrally installed at the bottom end of a frame 15, the air cushion mechanism comprises an air conditioner 32 fixed at one side of the frame and an air cushion module 33 fixedly embedded in each machine foot 16, an auxiliary air pipe 34 is connected between each air cushion module 33 and the air outlet end of the air conditioner 32, a connecting pipe 35 is installed at the air inlet end of the air conditioner 32, and one side of the surface of the air conditioner 32 corresponding to the connecting pipe 35 is connected with a sleeve cover 36 through a rope.

It should be noted that, the connection pipe 35 is connected with the air compressor main body matched with the outside through the air supply main pipe, the air cushion module 33 is composed of a bearing plate and an air cushion rubber piece, when the air cushion rubber piece is in a non-inflated state, the air cushion module 33 is hidden inside the machine leg 16 at the position, and when the air cushion rubber piece is in an inflated state, the inflated air cushion rubber piece can push the machine leg 16 away from the bearing surface;

When the device needs to be moved, the air bag rubber piece is inflated by the communicated air compressor to form a closed loop, air enters the air chamber (namely a cavity formed between the backing ring and the ground) from the air bag rubber piece through the small holes, air bearing pressure is built in the air chamber, and a very thin air film is formed by air leakage and the ground around, so that the device floats on the ground, and the device can be pushed to move by only needing a small traction force due to small friction force between the device and the ground.

In the above technical solutions, the related circuits, electronic components and control modules are all in the prior art, and can be completely implemented by those skilled in the art, which is needless to say, the content to be protected in the present invention does not relate to improvement of software and methods.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.

In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, where "up," "down," "left," "right," etc. are merely used to indicate relative positional relationships, and when the absolute position of an object to be described changes, the relative positional relationships may change;

In the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures may refer to the common design, so that the same embodiment and different embodiments of the present disclosure may be combined without conflict.

Claims

1. A three-shot vertical turntable injection molding machine, comprising a frame (15) and a machine foot (16) fixedly arranged on the outer side of the bottom end of the frame (15), wherein an electric box (5) and an oil tank (11) are installed at one end of the frame (15), and a frame cover plate (10) and a control box (6) are installed at the other end of the frame (15), characterized in that: a three-shot mold mechanism (1) and a set of ejection mechanisms (19) are arranged inside a cavity surrounded by the frame cover plate (10) and the frame (15), and a shot is arranged on the top of each mold mechanism (1). An ejection mechanism (2) is provided, and a transfer mechanism (8) and a centralized water transport assembly (7) are provided between the three-combination mold mechanism (1) and a group of ejection mechanisms (19); an oil circuit control mechanism (4) is provided on the top of the oil tank (11); an oil tank frame sealing plate (13) is provided on the outside of the oil circuit control mechanism (4); a water drain (3), an air pressure regulating assembly (12) and a cooling zone device (17) are installed on the outside of the oil tank frame sealing plate (13); and a circulation loop is formed between the water drain (3), the cooling zone device (17) and the centralized water transport assembly (7);

The ejection mechanism (2) comprises an ejection seat adapter plate (207) fixedly mounted on the top of the upper mold (101) at a corresponding position and an ejection protection plate (201) arranged on the top of the ejection seat adapter plate (207); a hydraulic motor (209) and an oil cylinder (205) are fixedly mounted on the inner side of the ejection protection plate (201); the bottom end of the piston rod of the oil cylinder (205) is fixedly mounted on the ejection seat adapter plate (207); a plastic screw is connected to the end of the output shaft of the hydraulic motor (209); a motor bearing seat (203) is arranged at the bottom end of the hydraulic motor (209); a plastic barrel (206) is arranged outside the plastic screw; and a glue head and an ejection nozzle are arranged in sequence from top to bottom at the bottom end of the inner side of the plastic barrel (206);

A shooting seat guide column (208) is fixedly provided on the top surface of the shooting seat adapter plate (207), and the shooting seat guide column (208) is used to guide the shooting mechanism (2) to slide; a drop tube (202) connected to the plastic barrel (206) is penetrated through the surface of the shooting protection plate (201); and a displacement resistance ruler (204) is installed inside the shooting protection plate (201);

The plastic barrel (206) is composed of an outer barrel (2062) and an inner barrel (2061), wherein the inner barrel (2061) comprises an upper section, a middle section and a lower section, and the outer peripheral edge positions of the upper and lower sections and the outer peripheral edge positions of both ends of the middle section are fixedly sleeved with ring plates, and the lower end surfaces of the ring plates on the outer side of the lower end of the upper section of the inner barrel (2061) and the middle section are provided with two recessed grooves (21), and one side of the two recessed grooves (21) is provided with a limiting guide groove (22), and the upper end surfaces of the ring plates on the outer side of the lower section of the inner barrel (2061) and the middle section are fixedly provided with two limiting blocks (23), and the outer peripheral surface of the middle section of the inner barrel (2061) is provided with a plurality of groups of grooves (2063) that are evenly distributed;

The outer cylinder (2062) comprises a left half and a right half, and one of the opposite ends of the left half and the right half is hingedly mounted, and a clamping assembly (2065) is arranged between the other opposite ends of the left half and the right half, arc grooves and heat-conducting strips (2064) are respectively arranged at both ends and in the middle of the inner circumference of the left half and the right half of the outer cylinder (2062), and a plurality of evenly distributed ceramic electric heating plates (2066) are embedded in the inner circumference of the left half and the right half of the outer cylinder (2062);

The clamping assembly (2065) comprises a convex plate (24) fixed at the outer surface edge positions of the left half and the right half of the outer cylinder (2062); a U-shaped frame (25) is rotatably mounted between the two ends of the convex plate (24) of the left half through a round rod; a pull plate (26) is movably inserted and penetrated through the middle of the U-shaped frame (25); a clamping strip (27) is fixedly provided at one end of the pull plate (26) extending to the inner side of the U-shaped frame (25); straight strips (29) are fixedly provided at the middle of both ends of the clamping strip (27); through grooves (28) are provided at the positions of the straight strips (29) at the two ends of the U-shaped frame (25) corresponding to the positions of the straight strips (29); and the opposite ends of the two straight strips (29) are movably inserted into the inside of the through grooves (28) at the corresponding positions; a spring (30) is fixedly connected between the surface of one end of the straight strip (29) extending to the inside of the through groove (28) and one side of the through groove (28) cavity; and a clamping slot (31) is provided on the surface of the convex plate (24) of the right half.

2. A three-shot vertical turntable injection molding machine according to claim 1, characterized in that: the mold clamping mechanism (1) comprises a lower mold bearing plate (105) arranged on the top of the frame cover plate (10) and a fast mold opening and closing high-pressure cylinder assembly (20) arranged on the bottom of the lower mold bearing plate (105), the fast mold opening and closing high-pressure cylinder assembly (20) comprising three groups of bottom plates (2001), the top surfaces of the three groups of bottom plates (2001) are fixed with three mold clamping columns (2005), each Each of the mold clamping columns (2005) is movable and penetrates the lower mold bearing plate (105), and a mold clamping column guide sleeve (2004) is installed at the connection between the lower mold bearing plate (105) and each of the mold clamping columns (2005), and a high-pressure oil cylinder (2002) is fixedly installed on the top of each base plate (2001), and a positioning oil cylinder (18) is installed on the lower mold bearing plate (105), and a double oil circuit block (2003) is provided between the oil inlet end of the positioning oil cylinder (18) and the oil circuit control mechanism (4);

Four lower molds (102) evenly distributed in a ring shape are arranged at the center position of the top of the lower mold supporting plate (105), and a lower mold heat insulation plate (104) is arranged on the top of each lower mold (102). An upper mold (101) is arranged at the position of the top of the lower mold (102) corresponding to each bottom plate (2001), and the upper mold (101) is sleeved on the outside of the clamping column (2005) at the corresponding position. An upper mold heat insulation plate (103) is arranged at the bottom end of each upper mold (101). The high-pressure oil cylinder (2002) controls the lower mold (102) at the corresponding position to move, and safety gratings (9) are fixedly arranged at the four corners of the top of the lower mold supporting plate (105).

3. A three-shot vertical turntable injection molding machine according to claim 2, characterized in that: the ejection mechanism (19) includes an ejection cylinder (191) arranged at the bottom of the lower mold supporting plate (105), a plurality of ejection guide rods (192) are fixedly arranged between the ejection cylinder (191) and the lower mold supporting plate (105), an ejector plate (193) is movably sleeved between the outer surfaces of the plurality of ejection guide rods (192), and the piston rod end of the ejection cylinder (191) is fixedly connected to the ejector plate (193), and an ejector rod (194) is fixedly arranged on the top of the ejector plate (193).

4. A three-shot vertical turntable injection molding machine according to claim 2, characterized in that: the indexing mechanism (8) comprises a turntable (81) movably fitted at the center position of the top end surface of the lower mold bearing plate (105) and a turntable pressure plate (82) fixedly arranged on the top of the lower mold bearing plate (105) and evenly distributed along the circumferential direction of the turntable (81), the lower mold (102) is installed on the top of the turntable (81), a servo motor (84) is installed at the bottom of the lower mold bearing plate (105), the output shaft end of the servo motor (84) movably passes through the lower mold bearing plate (105), and the output shaft end of the servo motor (84) is fixedly provided with a gear (83) meshing with the turntable (81), and a turntable gear shield (14) is arranged on the top of the lower mold bearing plate (105) to wrap the outer edge of the turntable (81) and the gear (83).

5. A three-shot vertical turntable injection molding machine according to claim 1, characterized in that: the oil circuit control mechanism (4) includes an oil circuit block (41) and a connecting steel pipe (42) installed on the top of the oil circuit block (41), and also includes an electric heating block plug-in board (45) and an oil separator (44) installed inside the injection protection plate (201), the connecting steel pipe (42) is composed of an injection pipe and a material storage pipe, and the two parts of the connecting steel pipe (42) are connected to the oil separator (44) and the hydraulic motor (209) by a connecting hose (43), and an oil pipe shield (46) is fixedly provided at the top of the upper cover plate of the oil tank frame sealing plate (13) corresponding to the position of the connecting steel pipe (42).

6. A three-shot vertical turntable injection molding machine according to claim 1, characterized in that: an air cushion mechanism is integrated at the bottom of the frame (15), and the air cushion mechanism includes an air conditioner (32) fixed to one side of the frame and an air cushion module (33) fixedly embedded in each machine foot (16), and a secondary air pipe (34) is connected between each air cushion module (33) and the air outlet end of the air conditioner (32).

7. A three-shot vertical turntable injection molding machine according to claim 6, characterized in that: a connecting pipe (35) is installed at the air inlet end of the air conditioner (32), and a cover (36) is connected to the side of the surface of the air conditioner (32) corresponding to the connecting pipe (35) through a rope.