CN119635998A - An injection molding device for producing holiday lamp shells - Google Patents
An injection molding device for producing holiday lamp shells Download PDFInfo
- Publication number
- CN119635998A CN119635998A CN202510180282.6A CN202510180282A CN119635998A CN 119635998 A CN119635998 A CN 119635998A CN 202510180282 A CN202510180282 A CN 202510180282A CN 119635998 A CN119635998 A CN 119635998A
- Authority
- CN
- China
- Prior art keywords
- injection molding
- water
- gear
- motor
- producing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
本发明公开了一种节日灯外壳生产用的注塑装置，涉及注塑技术领域，包括左机箱、右机箱、安装齿轮环、空心齿轮、数个外模组、数个内模组、同步驱动机组、至少一个注塑机、水冷组件，所述安装齿轮环设置在左机箱中，所述空心齿轮设置在右机箱中，数个所述外模组设置在安装齿轮环上，数个所述内模组设置在空心齿轮上，所述同步驱动机组安装在左机箱和右机箱的上端，至少一个所述注塑机与水冷组件设置在左机箱中，注塑机向一个注塑腔中注入塑料后，待水冷组件对注塑腔进行冷却，冷却完成后同步驱动机组带动注塑腔转动，将外模组和内模组转动到其他位置进行脱模，促使下一个注塑腔快速开始注塑，提高注塑装置的工作效率。
The invention discloses an injection molding device for producing holiday lamp shells, which relates to the field of injection molding technology and comprises a left chassis, a right chassis, a mounting gear ring, a hollow gear, a plurality of outer module groups, a plurality of inner module groups, a synchronous driving unit, at least one injection molding machine, and a water cooling component. The mounting gear ring is arranged in the left chassis, the hollow gear is arranged in the right chassis, a plurality of the outer module groups are arranged on the mounting gear ring, a plurality of the inner module groups are arranged on the hollow gear, the synchronous driving unit is arranged on the upper ends of the left chassis and the right chassis, at least one injection molding machine and a water cooling component are arranged in the left chassis, after the injection molding machine injects plastic into an injection molding cavity, the water cooling component cools the injection molding cavity, after the cooling is completed, the synchronous driving unit drives the injection molding cavity to rotate, rotates the outer module group and the inner module group to other positions for demolding, prompts the next injection molding cavity to start injection molding quickly, and improves the working efficiency of the injection molding device.
Description
Technical Field
The invention relates to the technical field of injection molding, in particular to an injection molding device for producing a festival lamp shell.
Background
The lamp shell of the festival lamp is usually manufactured by adopting an injection molding method, an injection molding cavity is formed by adopting an opening and closing mold in a conventional injection molding mode, molten plastic is filled in the injection molding cavity, the mold is opened after the plastic is cooled, the injection molded lamp shell is taken out, the existing injection molding device can manufacture a plurality of lamp shells by opening the mold each time, but the corresponding mold needs more time for preheating and cooling, the consumed time is long, the preheating and cooling time of the single injection molding mold is much shorter than that of a common multi-cavity mold, the manufacturing efficiency is low, the method is suitable for small-batch production, therefore, the injection molding equipment which does not reduce the preheating and cooling time of equipment and can accelerate the manufacturing speed is available on the market, and the common injection molding piece can clamp the plastic strips remained in an injection molding channel, so that the time is needed for manually trimming, and therefore, the improvement is needed.
Disclosure of Invention
The invention aims to provide an injection molding device for producing a festival lamp shell, which aims to solve the problems in the prior art.
The injection molding device for producing the holiday lamp shell comprises a left machine case, a right machine case, a mounting gear ring, a hollow gear, a plurality of outer module groups, a plurality of inner module groups, a synchronous driving unit, at least one injection molding machine and a water cooling assembly, wherein the mounting gear ring is arranged in the left machine case, the hollow gear is arranged in the right machine case, the plurality of outer module groups are arranged on the mounting gear ring, the plurality of inner module groups are arranged on the hollow gear, the synchronous driving unit is arranged at the upper ends of the left machine case and the right machine case, and at least one injection molding machine and the water cooling assembly are arranged in the left machine case.
Further, synchronous drive unit includes first gear, second gear, first motor and pivot, first motor sets up on right machine case, the pivot is connected with the motor shaft of first motor, first gear and second gear are installed in the pivot, first gear is connected with the installation gear ring meshing, the second gear is connected with hollow gear meshing, first motor drives the pivot and rotates, the first gear of pivot drive and the synchronous rotation of second gear, first gear drive installation gear ring rotates, the outer module of installation gear ring is rotated, the hollow gear drive hollow gear of second, hollow gear drives interior module rotation, every outer module all one-to-one with every interior module, form the cavity of moulding plastics after outer module and interior mould composite mold, after the injection molding machine pours into plastics into the cavity into, wait that the water-cooling subassembly cools off the cavity of moulding plastics into, synchronous drive unit drives the cavity of moulding plastics and rotates after the cooling is accomplished, rotate outer module and interior mould and carry out the drawing of patterns to other positions, make next injection molding device's work efficiency begins fast.
Further, each outer module comprises a water passing sleeve, an inner module cylinder, a core column, a pair of first electric push rods and a connecting plate, the water passing sleeve is arranged on an inner ring of the installation gear ring, the inner module cylinder is installed in the water passing sleeve, the core column is connected with the water passing sleeve through the connecting plate, the core column is located in the middle of the inner module cylinder, and the pair of first electric push rods are installed on the core column.
Further, every outer module still includes drawing of patterns push pedal, swivel ring and a plurality of vortex whirl board, the drawing of patterns push pedal is connected on the piston rod of a pair of first electric putter, has seted up the hole of moulding plastics on the drawing of patterns push pedal, drawing of patterns push pedal slidable mounting is between interior mould section of thick bamboo and heart post, the swivel ring rotates and installs inside the water jacket, a plurality of vortex whirl board is annular equipartition setting on the swivel ring, water inlet opening has been seted up to the one side that the cover is close to heart post to water, and the apopore has been seted up to the one side that the cover is far away from the heart post to water, and when moulding plastics, the piston rod of first electric putter is retracted, draws the drawing of patterns push pedal to afterbody position, and the second electric putter is with interior module push into interior mould section of thick bamboo, and remove the drive injection molding machine inserts the hole of drawing of patterns push pedal, and the temperature sensor in the interior mould section of thick bamboo detects the heat of melting plastics after moulding plastics for solenoid valve in this outer module opens, water tank water filling in the water jacket.
Further, the water cooling assembly comprises a water supply system, a water inlet pipe, a water outlet pipe, a water tank and a pressure maintaining valve, wherein the water tank is arranged in the middle of the plurality of outer modules, a first inner groove communicated with the water inlet hole is formed in the water tank, a second inner groove communicated with the water outlet hole is formed in the water tank, the first inner groove is communicated with the second inner groove, the pressure maintaining valve is arranged at the communication position of the first inner groove and the second inner groove, the water supply system is in rotary sealing connection with the first inner groove of the water tank through the water inlet pipe, and the water supply system is in rotary sealing connection with the second inner groove of the water tank through the water outlet pipe; the internal mold cylinder of each external mold group is internally provided with a temperature sensor, the water inlet hole of each water passing sleeve is provided with an electromagnetic valve, the water outlet hole of the water passing sleeve is provided with a one-way valve, the electromagnetic valve and the temperature sensor are connected with a control system through a circuit, the water supply system is used for filling cooling water into the water tank through the water inlet pipe, the pressure of the cooling water in the first internal groove rises, when the water pressure exceeds the overflow pressure of the pressure maintaining valve, the cooling water flows into the second internal groove through the pressure maintaining valve and finally flows out through the water outlet pipe, a certain water pressure is kept in the first internal groove through the arrangement of the pressure maintaining valve for cooling the external mold group, when the cooling water enters the water passing sleeve through the electromagnetic valve, the pressure energy of the water pushes the spoiler to move, the rotating ring and the spoiler rotate in the water passing sleeve, the cooling water uniformly diffuses the cooling water flow to the outer side of the internal mold cylinder, the cooling water of the injection molding piece flows into the second internal groove through the one-way valve of the water outlet hole, the cooling water flows and diffuses more uniformly in the outer side of the injection molding piece through the rotating ring and the arrangement of the spoiler, the cooling water is cooled down effect of the whole injection molding piece is enhanced, realize the rapid cooling of injection molding.
Further, the hollow gear is provided with the mounting bracket in one side of keeping away from left machine case, every group the interior group includes a pair of second electric putter, case cover, locating plate, several regulation centre form and several driven centre form, a pair of second electric putter sets up on the mounting bracket, the case cover is connected with the piston rod of a pair of second electric putter, the locating plate is installed in one side of keeping away from the second electric putter at the case cover, several regulation centre form and driven centre form slidable mounting are kept away from one side of case cover at the locating plate, and the temperature sensor in the interior mould section of thick bamboo detects that the bulk temperature of lamp body of moulding plastics has fallen, and after the molten plastics reached the solidification temperature, through control system closed solenoid valve, the separation cooling water continues to flow into the water jacket, and the cooling water that remains in the water jacket continues to absorb lamp body waste heat, prevents that the temperature of interior mould section of thick bamboo from cooling completely, plays reinforcing molten plastics mobility's effect when carrying out subsequent moulding plastics.
Further, the several adjust centre form and driven centre form all are annular equipartition setting, adjust centre form and driven centre form interval each other and set up, every adjust centre form one side that is close to the locating plate is provided with the round pin, every driven centre form is provided with the slider near one side of locating plate, set up several straight runner and round-head spout on the locating plate, the round pin slides and sets up in the round-head spout, the slider is installed in straight runner, every be provided with reset spring between slider and the straight runner, before carrying out moulding plastics the second electric putter with interior module push in the centre form section of thick bamboo, the second motor drives the initiative bevel gear and rotates, and the initiative bevel gear drives bevel gear and shifts the dish and rotate, and bevel gear shifts the inclined chute on the dish and promote the round pin to remove, and all adjust centre forms and move outwards, all driven centre forms also move outwards under the effect of adjusting centre form and driven centre form enclose synthetic lamp body's inner wall.
Further, each group of inner modules further comprises a second motor, a driving bevel gear and a bevel gear shifting disc, the second motor is installed on the inner side of the box cover through a support, the driving bevel gear is installed on a motor shaft of the second motor, the bevel gear shifting disc is rotatably installed on one side, close to the box cover, of the locating plate, the bevel gear shifting disc is meshed with the driving bevel gear, an inclined chute is formed in the bevel gear shifting disc, a round pin is slidably connected with the inclined chute, when demolding is needed, the bevel gear shifting disc reversely rotates to enable the inner mold to be adjusted to move inwards, under the action of a reset spring, all driven inner molds are folded inwards, so that the inner molds and the driven inner molds are adjusted to be separated from the inner wall of the lamp shell, then the inner modules are retracted by a second electric push rod, the demolding push plate is pushed out of the inner mold cylinder, the lamp shell and the demolding push plate are separated from the device under the action of gravity, and the lamp shell falls onto a conveying belt below the device to move in the next processing procedure.
Further, at least one injection molding machine is installed in left machine case through removing the module, and every injection molding machine is including moulding plastics section of thick bamboo, feeding screw, inlet pipe and third motor, it is connected with removing the module to mould plastics section of thick bamboo, installs electric heating wire in the inner wall of moulding plastics section of thick bamboo, feeding screw rotates and installs inside moulding plastics section of thick bamboo, the motor shaft of third motor runs through and moulds plastics section of thick bamboo and be connected with feeding screw, the inlet pipe is connected in the one side that moulds plastics section of thick bamboo and be close to the third motor, removes the module and carries out the butt joint with the tip of moulding plastics section of thick bamboo and the hole of moulding plastics on the drawing of patterns push pedal, utilizes feeding screw to extrude molten plastics in the cavity of moulding plastics of outer module and interior module synthesis.
Further, the inside hollow setting of pay-off screw rod, pay-off screw rod inside slidable mounting has the closing pin, closing pin and pay-off screw rod internally connected have the internal spring, the inside electro-magnet that still is provided with of pay-off screw rod, electro-magnet and control system circuit connection, after the cavity of moulding plastics is filled and is accomplished, the electro-magnet circular telegram attracts the closing pin to the tip of the section of thick bamboo of moulding plastics for the closing pin cuts off the inside of the section of thick bamboo of moulding plastics and the cavity of moulding plastics, thereby avoids the caking in the passageway of moulding plastics, avoids the remaining bellied plastic column in lamp body outward appearance.
Compared with the prior art, the invention has the beneficial effects that:
After plastic is injected into an injection cavity by the injection molding machine, the injection cavity is cooled by the water cooling assembly, and after cooling is completed, the injection cavity is driven to rotate by the synchronous driving unit, so that the outer module and the inner module are rotated to other positions for demolding, the next injection cavity is promoted to rapidly start injection, and the working efficiency of the injection molding device is improved.
Through the setting of swivel ring and a plurality of vortex whirl board, make the cooling water flow the diffusion in the outside of injection molding more even, strengthen holistic heat absorption cooling effect, realize the quick cooling of injection molding, remain the cooling water in the water jacket and continue to absorb lamp body waste heat, prevent the temperature of interior mould section of thick bamboo and cool off completely, when carrying out subsequent injection molding, play the flowable effect of reinforcing molten plastic.
Through setting up the closing pin, after the completion of moulding plastics, utilize electro-magnet absorption closing pin for the closing pin cuts off the inside of moulding plastics section of thick bamboo and the chamber of moulding plastics, thereby avoids the caking in the passageway of moulding plastics, avoids the remaining bellied plastic column of lamp body outward appearance, reaches the effect of avoiding artifical pruning once more.
Drawings
FIG. 1 is a schematic view of the overall appearance structure of the present invention;
FIG. 2 is a schematic diagram of the overall internal structure of the present invention;
FIG. 3 is a schematic view of the mounting structure of the outer module portion of the present invention;
FIG. 4 is a schematic view of the structure of the inside of the water jacket of the present invention;
FIG. 5 is a schematic view of the mounting structure of the inner module portion of the present invention;
FIG. 6 is a schematic view of the internal structure of the case cover of the present invention;
FIG. 7 is a schematic view of the connection structure of the inner module of the present invention;
Fig. 8 is a schematic view of the internal structure of the injection molding machine of the present invention.
In the figure, 1, a left chassis; 2, right case, 3, first gear, 4, second gear, 5, mounting frame, 6, first motor, 7, mounting gear ring, 8, hollow gear, 9, outer module, 10, inner module, 11, water tank, 12, water jacket, 13, rotary ring, 14, vortex board, 15, inner module, 16, core column, 17, first electric push rod, 18, demoulding push plate, 19, second electric push rod, 20, case cover, 21, second motor, 22, driving bevel gear, 23, bevel gear shifting disc, 24, locating plate, 25, adjusting inner module, 26, driven inner module, 27, reset spring, 28, injection module, 29, third motor, 30, feeding screw, 31, inner spring, 32, sealing pin, 33, feeding pipe, 34, connecting plate, 35, rotating shaft.
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.
The invention provides a technical scheme, as shown in fig. 1-8, of an injection molding device for producing a holiday lamp shell, which comprises a left machine case 1, a right machine case 2, a mounting gear ring 7, a hollow gear 8, four outer die sets 9, four inner die sets 10, a synchronous driving unit, two injection molding machines and a water cooling component, wherein the mounting gear ring 7 is arranged in the left machine case 1, the hollow gear 8 is arranged in the right machine case 2, the four outer die sets 9 are arranged on the mounting gear ring 7, the four inner die sets 10 are arranged on the hollow gear 8, the synchronous driving unit is arranged at the upper ends of the left machine case 1 and the right machine case 2, and the two injection molding machines and the water cooling component are arranged in the left machine case 1.
The synchronous driving unit comprises a first gear 3, a second gear 4, a first motor 6 and a rotating shaft 35, wherein the first motor 6 is arranged on the right case 2, the rotating shaft 35 is connected with a motor shaft of the first motor 6, the first gear 3 and the second gear 4 are arranged on the rotating shaft 35, the first gear 3 is meshed with the mounting gear ring 7, the second gear 4 is meshed with the hollow gear 8, the first motor 6 drives the rotating shaft 35 to rotate, the rotating shaft 35 drives the first gear 3 and the second gear 4 to synchronously rotate, the first gear 3 drives the mounting gear ring 7 to rotate, the mounting gear ring 7 drives the outer modules 9 to rotate, the second gear 4 drives the hollow gear 8, the hollow gear 8 drives the inner modules 10 to rotate, each outer module 9 corresponds to each inner module 10 uniformly, the outer modules 9 and the inner modules 10 form an injection cavity after the injection molding machine injects plastics into the injection cavity, the water cooling modules cool the injection cavity, and the synchronous driving unit drives the injection cavity to rotate after the cooling, the outer modules 9 and the inner modules 10 rotate to other positions to enable the next injection molding cavity to be demolded, and the injection molding efficiency of the injection molding device is improved.
Each outer mold group 9 comprises a water passing sleeve 12, an inner mold cylinder 15, a core column 16, a pair of first electric push rods 17 and a connecting plate 34, the water passing sleeve 12 is arranged on an inner ring of the mounting gear ring 7, the inner mold cylinder 15 is arranged in the water passing sleeve 12, the core column 16 is connected with the water passing sleeve 12 through the connecting plate 34, the core column 16 is positioned in the middle of the inner mold cylinder 15, the pair of first electric push rods 17 are arranged on the core column 16, each outer mold group 9 further comprises a demolding push plate 18, a rotating ring 13 and a plurality of turbulent rotary plates 14, the demolding push plates 18 are connected to piston rods of the pair of first electric push rods 17, injection molding holes are formed in the demolding push plates 18, the demolding push plates 18 are slidably arranged between the inner mold cylinder 15 and the core column 16, the rotating ring 13 is rotatably arranged in the water passing sleeve 12, the plurality of turbulent rotary plates 14 are uniformly distributed on the rotating ring 13 in a ring shape, water inlet holes are formed in one side of the water passing sleeve 12, which is far away from the core column 16, water outlet holes are formed in one side of the first electric push rods 17, when injection molding is performed, the demolding push plates 18 are pulled to the tail positions, the piston rods of the second electric push plates 19 are pushed into the inner mold groups 10, the inner mold groups are driven by the electromagnetic valve 15, the water passing through the inner mold cylinders 15, and the electromagnetic valve is driven by the injection molding machine, and the water passing through the inner mold cylinders, and the water passing through the water tank 9 is driven by the electromagnetic valve, and the injection molding machine, and the temperature is driven to flow, and the injection molding device, and the temperature of the inner mold is detected, and the temperature of the injection molding, and the water is pumped into the inner mold, and the inner mold and the cylinder.
The water cooling assembly (not shown in the figure) comprises a water supply system, a water inlet pipe, a water outlet pipe, a water tank 11 and a pressure maintaining valve, the water tank 11 is arranged in the middle of the four outer mold assemblies 9, a first inner groove communicated with a water inlet hole is formed in the water tank 11, a second inner groove communicated with a water outlet hole is formed in the water tank 11, the first inner groove is communicated with the second inner groove, the pressure maintaining valve is arranged at the communication position of the first inner groove and the second inner groove, the water supply system is in rotary sealing connection with the first inner groove of the water tank 11 through the water inlet pipe, and the water supply system is in rotary sealing connection with the second inner groove of the water tank 11 through the water outlet pipe; a temperature sensor is arranged in the inner mold cylinder 15 of each outer mold set 9, an electromagnetic valve is arranged at the water inlet of each water passing sleeve 12, a one-way valve is arranged at the water outlet of each water passing sleeve 12, the electromagnetic valve and the temperature sensor are connected with a control system through a circuit, a water supply system is used for filling cooling water into the water tank 11 through a water inlet pipe, the pressure of the cooling water in the first inner groove rises, when the water pressure exceeds the overflow pressure of a pressure maintaining valve, the cooling water flows into the second inner groove through the pressure maintaining valve and finally flows out through a water outlet pipe, a certain water pressure is kept in the first inner groove through the arrangement of the pressure maintaining valve so as to cool the outer mold set 9, when the cooling water enters the water passing sleeve 12 through the electromagnetic valve, the pressure energy of the water pushes the vortex plate 14 to move, so that the rotating ring 13 and the vortex plate 14 rotate in the water passing sleeve 12, the cooling water is uniformly diffused to the outer side of the inner mold set 15, the cooling water for cooling of an injection molding piece is realized through the one-way valve of the water outlet hole, the cooling water flows into the second inner groove through the one-way valve of the rotating ring 13 and the vortex plate 14, the cooling water is more uniformly diffused to the outer side of the injection molding piece, the integral heat absorption cooling effect is enhanced, and the rapid cooling of the injection molding part is realized.
The hollow gear 8 is provided with mounting bracket 5 far away from one side of left machine case 1, every group of interior module 10 includes a pair of second electric push rod 19, the case cover 20, the locating plate 24, six regulation centre forms 25 and six driven centre forms 26, a pair of second electric push rod 19 sets up on mounting bracket 5, the case cover 20 is connected with the piston rod of a pair of second electric push rod 19, the locating plate 24 is installed and is kept away from one side of second electric push rod 19 at the case cover 20, six regulation centre forms 25 and driven centre forms 26 slidable mounting are kept away from one side of case cover 20 at the locating plate 24, six regulation centre forms 25 all are annular equipartition setting with driven centre forms 26, the regulation centre forms 25 and driven centre forms 26 interval setting each other, one side that every regulation centre forms 25 is close to locating plate 24 is provided with the round pin, one side that every driven centre forms 26 is close to locating plate 24 is provided with the slider, six straight-headed slide ways and round-headed slide ways have been seted up on the locating plate 24, the round pin slides and set up in the round-headed slide ways, the slider is installed in the straight-headed slide ways, be provided with reset spring 27 between every slider and the straight-headed slide ways, every motor 10 still includes second motor 21 and motor shaft 21 and driven bevel gear 22 are installed at the bevel gear 23 on the drive disc 23 side of bevel gear 23, the bevel gear is connected with the drive disc 23 at the drive bevel gear 23, the drive bevel gear is connected with the drive bevel gear 23, the drive bevel gear 23 through the drive bevel gear 21, the drive bevel gear is installed on the drive bevel gear 23, and the drive bevel gear 23.
When the temperature sensor in the inner mold cylinder 15 detects that the whole temperature of the injection molding lamp shell has fallen, after the molten plastic reaches the solidification temperature, the electromagnetic valve is closed by the control system, cooling water is blocked from continuously flowing into the water passing sleeve 12, cooling water remained in the water passing sleeve 12 continuously absorbs the residual heat of the lamp shell, the temperature of the inner mold cylinder 15 is prevented from being completely cooled, the effect of enhancing the fluidity of the molten plastic is achieved during subsequent injection molding, the second electric push rod 19 before injection molding pushes the inner mold 10 into the inner mold cylinder 15, the second motor 21 drives the driving bevel gear 22 to rotate, the driving bevel gear 22 drives the bevel gear deflection disc 23 to rotate, inclined sliding grooves on the bevel gear deflection disc 23 push round pins to move, all the adjusting inner molds 25 also move outwards under the action of the adjusting inner molds 25, when the demolding is needed, the bevel gear deflection disc 23 reversely moves the adjusting inner molds 25 inwards, all the driven inner molds 26 are also folded inwards under the action of the reset spring 27, the inner walls of the adjusting inner molds 25 and the driven inner molds 26 are separated, then the second electric push rod 19 pushes the inner mold 10 to pull the first electric push rod 17 downwards, the lamp shell is pulled downwards, the push plate 18 is pulled downwards, and the inner mold 18 is separated downwards, and the lamp shell is lifted downwards, and the device is lifted downwards, and the lamp shell is separated downwards, and the device is lifted downwards.
Two injection molding machines are installed in the left chassis 1 through a movable module (not shown in the drawing), each injection molding machine comprises an injection molding cylinder 28, a feeding screw 30, a feeding pipe 33 and a third motor 29, the injection molding cylinder 28 is connected with the movable module, an electric heating wire is installed in the inner wall of the injection molding cylinder 28, the feeding screw 30 is rotatably installed inside the injection molding cylinder 28, a motor shaft of the third motor 29 penetrates through the injection molding cylinder 28 and is connected with the feeding screw 30, the feeding pipe 33 is connected to one side of the injection molding cylinder 28 close to the third motor 29, the feeding screw 30 is internally and hollow, a closing pin 32 is slidably installed inside the feeding screw 30, the closing pin 32 is internally connected with an inner spring 31, an electromagnet (not shown in the drawing) is further arranged inside the feeding screw 30, the electromagnet is connected with a control system circuit, the movable module is used for butting the end of the injection molding cylinder 28 with an injection molding hole on a push plate 18, molten plastic is extruded into an injection molding cavity formed by the outer module 9 and the inner die set 10 by the feeding screw 30, after the injection molding cavity is filled, the electromagnet is electrified to attract the closing pin 32 to the end 32 of the injection molding cylinder 28, the end 32 of the injection molding cylinder 28 is cut off the inner cavity, the closing pin 32, the inner cavity is connected with the inner cavity is blocked, and the inner cavity of the injection molding cavity is prevented from being blocked, and the inner surface of the injection molding cylinder is prevented from being blocked, and the protruding, and the inner surface of the injection molding cylinder is prevented from being blocked.
The working principle of the injection molding device is that a first motor 6 drives a rotating shaft 35 to rotate, the rotating shaft 35 drives a first gear 3 and a second gear 4 to synchronously rotate, the first gear 3 drives a mounting gear ring 7 to rotate, the mounting gear ring 7 drives an outer module 9 to rotate, the second gear 4 drives a hollow gear 8, the hollow gear 8 drives an inner module 10 to rotate, each outer module 9 corresponds to each inner module 10 uniformly, the outer module 9 and the inner module 10 form an injection molding cavity after being assembled, after plastic is injected into one injection molding cavity by an injection molding machine, after the injection molding cavity is cooled by a water cooling assembly, the injection molding cavity is driven to rotate by a synchronous driving unit after cooling is completed, the outer module 9 and the inner module 10 are driven to rotate to other positions to be demolded, the next injection molding cavity is driven to rapidly start injection molding, and the working efficiency of the injection molding device is improved.
When injection molding is performed, the piston rod of the first electric push rod 17 is retracted, the demolding push plate 18 is pulled to the tail position, the second electric push rod 19 pushes the inner die set 10 into the inner die cylinder 15, the moving die set drives the injection molding machine to be inserted into an injection molding hole of the demolding push plate 18, a temperature sensor in the inner die cylinder 15 detects heat of molten plastic after injection molding, an electromagnetic valve in the outer die set 9 is opened, and water in the water tank 11 is poured into the water jacket 12.
The water supply system fills cooling water into the water tank 11 through the inlet tube, the pressure of cooling water in first inside groove rises, when the water pressure exceeds the overflow pressure of pressure maintaining valve, cooling water flows into second inside groove through the pressure maintaining valve, finally flow out through the outlet pipe, through the setting of pressure maintaining valve, keep certain water pressure in the first inside groove, for external mold group 9 cooling use, in the cooling water gets into water jacket 12 through the solenoid valve, the pressure of water can then promote vortex whirl board 14 motion, make rotatory ring 13 and a plurality of vortex whirl board 14 rotate in water jacket 12 inside, evenly spread cooling water to the outside of interior section of thick bamboo 15, realize the cooling to the injection molding, endothermic cooling water flows into in the second inside groove through the check valve of apopore, through rotatory ring 13 and a plurality of vortex whirl board 14's setting, make the cooling water spread more evenly in the outside of injection molding, the holistic cooling effect of cooling down of reinforcing, realize the quick cooling of injection molding.
When the temperature sensor in the inner mold cylinder 15 detects that the whole temperature of the injection molding lamp shell has fallen, after the molten plastic reaches the solidification temperature, the electromagnetic valve is closed by the control system, cooling water is blocked from continuously flowing into the water passing sleeve 12, cooling water remained in the water passing sleeve 12 continuously absorbs the residual heat of the lamp shell, the temperature of the inner mold cylinder 15 is prevented from being completely cooled, the effect of enhancing the fluidity of the molten plastic is achieved during subsequent injection molding, the second electric push rod 19 before injection molding pushes the inner mold 10 into the inner mold cylinder 15, the second motor 21 drives the driving bevel gear 22 to rotate, the driving bevel gear 22 drives the bevel gear deflection disc 23 to rotate, inclined sliding grooves on the bevel gear deflection disc 23 push round pins to move, all the adjusting inner molds 25 also move outwards under the action of the adjusting inner molds 25, when the demolding is needed, the bevel gear deflection disc 23 reversely moves the adjusting inner molds 25 inwards, all the driven inner molds 26 are also folded inwards under the action of the reset spring 27, the inner walls of the adjusting inner molds 25 and the driven inner molds 26 are separated, then the second electric push rod 19 pushes the inner mold 10 to pull the first electric push rod 17 downwards, the lamp shell is pulled downwards, the push plate 18 is pulled downwards, and the inner mold 18 is separated downwards, and the lamp shell is lifted downwards, and the device is lifted downwards, and the lamp shell is separated downwards, and the device is lifted downwards.
The movable module is used for butting the end part of the injection molding cylinder 28 with an injection molding hole on the demolding push plate 18, molten plastic is extruded into an injection molding cavity formed by the outer module 9 and the inner module 10 by using the feeding screw 30, after the injection molding cavity is filled, the electromagnet is electrified to attract the closing pin 32 to the end part of the injection molding cylinder 28, so that the closing pin 32 cuts off the inner part of the injection molding cylinder 28 and the injection molding cavity, caking in an injection molding channel is avoided, and a raised plastic column is avoided from remaining on the outer surface of the lamp housing.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The injection molding device for producing the festival lamp shell is characterized by comprising a left machine case (1), a right machine case (2), a mounting gear ring (7), a hollow gear (8), a plurality of outer mold groups (9), a plurality of inner mold groups (10), a synchronous driving unit, at least one injection molding machine and a water cooling assembly, wherein the mounting gear ring (7) is arranged in the left machine case (1), the hollow gear (8) is arranged in the right machine case (2), the outer mold groups (9) are arranged on the mounting gear ring (7), the inner mold groups (10) are arranged on the hollow gear (8), the synchronous driving unit is arranged at the upper ends of the left machine case (1) and the right machine case (2), and at least one injection molding machine and the water cooling assembly are arranged in the left machine case (1).
2. The injection molding device for producing the festival lamp shell according to claim 1, wherein the synchronous driving unit comprises a first gear (3), a second gear (4), a first motor (6) and a rotating shaft (35), the first motor (6) is arranged on the right machine case (2), the rotating shaft (35) is connected with a motor shaft of the first motor (6), the first gear (3) and the second gear (4) are arranged on the rotating shaft (35), the first gear (3) is in meshed connection with the mounting gear ring (7), and the second gear (4) is in meshed connection with the hollow gear (8).
3. The injection molding device for producing the festival lamp housing according to claim 1, wherein each outer module (9) comprises a water passing sleeve (12), an inner module (15), a core column (16), a pair of first electric push rods (17) and a connecting plate (34), the water passing sleeve (12) is arranged on an inner ring of the mounting gear ring (7), the inner module (15) is arranged in the water passing sleeve (12), the core column (16) is connected with the water passing sleeve (12) through the connecting plate (34), the core column (16) is positioned in the middle of the inner module (15), and the pair of first electric push rods (17) are arranged on the core column (16).
4. The injection molding device for producing the festival lamp shell according to claim 3, wherein each outer mold group (9) further comprises a demolding push plate (18), a rotating ring (13) and a plurality of turbulence rotating plates (14), the demolding push plates (18) are connected to piston rods of a pair of first electric push rods (17), injection molding holes are formed in the demolding push plates (18), the demolding push plates (18) are slidably mounted between the inner mold cylinder (15) and the heart column (16), the rotating ring (13) is rotatably mounted inside the water passing sleeve (12), the turbulence rotating plates (14) are uniformly distributed on the rotating ring (13) in a ring shape, water inlets are formed in one side, close to the heart column (16), of the water passing sleeve (12), and water outlets are formed in one side, far away from the heart column (16), of the water passing sleeve (12).
5. The injection molding device for producing the festival lamp shell is characterized in that the water cooling assembly comprises a water supply system, a water inlet pipe, a water outlet pipe, a water tank (11) and a pressure maintaining valve, the water tank (11) is arranged in the middle of a plurality of outer modules (9), a first inner groove communicated with a water inlet hole is formed in the water tank (11), a second inner groove communicated with a water outlet hole is formed in the water tank (11), the first inner groove is communicated with the second inner groove, the pressure maintaining valve is arranged at the communication position of the first inner groove and the second inner groove, the water supply system is in rotary sealing connection with the first inner groove of the water tank (11) through the water inlet pipe, the water supply system is in rotary sealing connection with the second inner groove of the water tank (11) through the water outlet pipe, a temperature sensor is arranged in the inner mold cylinder (15) of each outer module (9), an electromagnetic valve is arranged at the water inlet hole of each water passing sleeve (12), and a one-way valve is arranged at the water outlet hole of the water passing sleeve (12), and the electromagnetic valve is connected with the control system through a circuit.
6. The injection molding device for producing the holiday lamp shell according to claim 1, wherein a mounting frame (5) is arranged on one side, far away from the left chassis (1), of the hollow gear (8), each group of the inner modules (10) comprises a pair of second electric push rods (19), a case cover (20), a positioning plate (24), a plurality of adjusting inner molds (25) and a plurality of driven inner molds (26), the pair of second electric push rods (19) are arranged on the mounting frame (5), the case cover (20) is connected with piston rods of the pair of second electric push rods (19), the positioning plate (24) is arranged on one side, far away from the second electric push rods (19), of the case cover (20), and the plurality of adjusting inner molds (25) and the driven inner molds (26) are slidably arranged on one side, far away from the case cover (20), of the positioning plate (24).
7. The injection molding device for producing the holiday lamp shell according to claim 6, wherein a plurality of adjusting internal molds (25) and driven internal molds (26) are uniformly distributed in a ring shape, the adjusting internal molds (25) and the driven internal molds (26) are arranged at intervals, round pins are arranged on one side, close to a positioning plate (24), of each adjusting internal mold (25), a sliding block is arranged on one side, close to the positioning plate (24), of each driven internal mold (26), a plurality of straight-head sliding grooves and round-head sliding grooves are formed in the positioning plate (24), the round pins are arranged in the round-head sliding grooves in a sliding mode, the sliding blocks are arranged in the straight-head sliding grooves, and a reset spring (27) is arranged between each sliding block and each straight-head sliding groove.
8. The injection molding device for producing the holiday lamp shell according to claim 7, wherein each group of the inner modules (10) further comprises a second motor (21), a drive bevel gear (22) and a bevel gear shifting disc (23), the second motor (21) is installed on the inner side of the box cover (20) through a bracket, the drive bevel gear (22) is installed on a motor shaft of the second motor (21), the bevel gear shifting disc (23) is rotatably installed on one side, close to the box cover (20), of the positioning plate (24), the bevel gear shifting disc (23) is meshed with the drive bevel gear (22), a bevel chute is formed in the bevel gear shifting disc (23), and the round pin is in sliding connection with the bevel chute.
9. The injection molding device for producing the festival lamp shell according to claim 1, wherein at least one injection molding machine is arranged in the left machine case (1) through a moving module, each injection molding machine comprises an injection molding cylinder (28), a feeding screw (30), a feeding pipe (33) and a third motor (29), the injection molding cylinders (28) are connected with the moving module, electric heating wires are arranged in the inner walls of the injection molding cylinders (28), the feeding screw (30) is rotatably arranged inside the injection molding cylinders (28), a motor shaft of the third motor (29) penetrates through the injection molding cylinders (28) and is connected with the feeding screw (30), and the feeding pipe (33) is connected to one side, close to the third motor (29), of the injection molding cylinders (28).
10. The injection molding device for producing the festival lamp housing according to claim 9, wherein the feeding screw (30) is internally hollow, a sealing pin (32) is slidably arranged in the feeding screw (30), the sealing pin (32) and the feeding screw (30) are internally connected with an inner spring (31), an electromagnet is further arranged in the feeding screw (30), and the electromagnet is in circuit connection with a control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510180282.6A CN119635998B (en) | 2025-02-19 | 2025-02-19 | Injection molding device for holiday lamp shell production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510180282.6A CN119635998B (en) | 2025-02-19 | 2025-02-19 | Injection molding device for holiday lamp shell production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119635998A true CN119635998A (en) | 2025-03-18 |
| CN119635998B CN119635998B (en) | 2025-06-27 |
Family
ID=94951177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510180282.6A Active CN119635998B (en) | 2025-02-19 | 2025-02-19 | Injection molding device for holiday lamp shell production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119635998B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120921616A (en) * | 2025-10-13 | 2025-11-11 | 安徽润康橡塑科技股份有限公司 | Pressure forming device for bushing pretreatment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0747575A (en) * | 1993-08-05 | 1995-02-21 | Showa Seiki Kogyo Kk | Device for dealing with undercut release for protrusion |
| US20190001533A1 (en) * | 2017-06-30 | 2019-01-03 | Microsoft Technology Licensing, Llc | Collapsible tool structure for small form implementation |
| CN109822812A (en) * | 2019-03-14 | 2019-05-31 | 梁格 | A kind of multistation temperature control injection molding machine |
| CN210517975U (en) * | 2019-11-27 | 2020-05-12 | 长安大学 | Double-circulation water cooling shell of driving motor for pure electric vehicle |
| CN111516215A (en) * | 2020-05-28 | 2020-08-11 | 李已娇 | Prevent remaining ejecting device for plastic injection mold |
| US20210046682A1 (en) * | 2018-01-23 | 2021-02-18 | Foboha (Germany) Gmbh | Injection mould for producing complex moulded parts from plastic |
| CN218640205U (en) * | 2022-08-01 | 2023-03-17 | 苏州市繁盛塑料制品有限公司 | Plastic barrel injection molding ejection, demolding and cooling integrated equipment |
| CN118024511A (en) * | 2024-02-02 | 2024-05-14 | 浙江宏冠照明有限公司 | A film shell injection molding device for automobile headlights |
-
2025
- 2025-02-19 CN CN202510180282.6A patent/CN119635998B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0747575A (en) * | 1993-08-05 | 1995-02-21 | Showa Seiki Kogyo Kk | Device for dealing with undercut release for protrusion |
| US20190001533A1 (en) * | 2017-06-30 | 2019-01-03 | Microsoft Technology Licensing, Llc | Collapsible tool structure for small form implementation |
| US20210046682A1 (en) * | 2018-01-23 | 2021-02-18 | Foboha (Germany) Gmbh | Injection mould for producing complex moulded parts from plastic |
| CN109822812A (en) * | 2019-03-14 | 2019-05-31 | 梁格 | A kind of multistation temperature control injection molding machine |
| CN210517975U (en) * | 2019-11-27 | 2020-05-12 | 长安大学 | Double-circulation water cooling shell of driving motor for pure electric vehicle |
| CN111516215A (en) * | 2020-05-28 | 2020-08-11 | 李已娇 | Prevent remaining ejecting device for plastic injection mold |
| CN218640205U (en) * | 2022-08-01 | 2023-03-17 | 苏州市繁盛塑料制品有限公司 | Plastic barrel injection molding ejection, demolding and cooling integrated equipment |
| CN118024511A (en) * | 2024-02-02 | 2024-05-14 | 浙江宏冠照明有限公司 | A film shell injection molding device for automobile headlights |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120921616A (en) * | 2025-10-13 | 2025-11-11 | 安徽润康橡塑科技股份有限公司 | Pressure forming device for bushing pretreatment |
| CN120921616B (en) * | 2025-10-13 | 2025-12-16 | 安徽润康橡塑科技股份有限公司 | A pressure forming apparatus for bushing pretreatment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119635998B (en) | 2025-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112721021A (en) | Full-automatic plastic is mould equipment for injection moulding | |
| CN119635998B (en) | Injection molding device for holiday lamp shell production | |
| CN113771292B (en) | Injection mold for molding double-color products | |
| CN115195027A (en) | Ejection device and method for injection mold | |
| CN201900247U (en) | A die-casting mold for manufacturing electric rearview mirror motor end cover | |
| CN220407053U (en) | Explosion-proof line box seat casting forming die convenient to discharge | |
| CN217729510U (en) | Injection mold with quick cooling function | |
| CN215320325U (en) | Injection molding combined die for feeding glue into hot runner on end surface of pipe fitting | |
| CN112622213A (en) | Quick cooling system is used in injection moulding product production | |
| CN214982925U (en) | Injection mold is used in production of water-cooling wall seal ring | |
| CN115447061B (en) | Injection molding process of PP (polypropylene) plastic product with good high-temperature performance and high toughness | |
| CN109228208A (en) | The injection mold of router base and the Shooting Technique of router base | |
| CN109228209A (en) | The injection mold of router lower cover and the Shooting Technique of router lower cover | |
| CN207128198U (en) | Wiring sheath hot runner mould | |
| CN121340564B (en) | A resin craft injection molding device | |
| CN113211749A (en) | Camping lamp handle preparation process | |
| CN222061037U (en) | Material blocking mechanism of injection molding machine | |
| CN219133052U (en) | Injection mold for multi-cavity shell | |
| CN217993316U (en) | Injection mold convenient to control material flow speed | |
| CN215903852U (en) | Mould convenient to loose core of car battery case production usefulness | |
| CN223720062U (en) | Injection mold for plastic bent pipe | |
| CN2538520Y (en) | Cooling structure of multi-color injection mold | |
| CN213321523U (en) | Cooling mechanism for spiral copper pipe arranged in deep cavity core of injection mold | |
| CN223545707U (en) | A molding die for quick demolding of plastic products | |
| CN219338375U (en) | High-efficient former of POM mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20251231 Address after: 318,000 Shuangzhai Village, Dongcheng Town, Linhai City, Taizhou City, Zhejiang Province Patentee after: LINHAI CHANGSHUO LIGHTING CO.,LTD. Country or region after: China Patentee after: Taizhou Fangkai Lighting Co.,Ltd. Address before: 317005 shuangzhai village, Dongcheng Town, Linhai City, Taizhou City, Zhejiang Province Patentee before: LINHAI CHANGSHUO LIGHTING CO.,LTD. Country or region before: China |