CN120038912A

CN120038912A - Mold closing driving mechanism and injection molding machine with same

Info

Publication number: CN120038912A
Application number: CN202510518799.1A
Authority: CN
Inventors: 丁志军; 叶启赏
Original assignee: Zhejiang Ningsu Machinery Manufacturing Co ltd
Current assignee: Zhejiang Ningsu Machinery Manufacturing Co ltd
Priority date: 2025-04-24
Filing date: 2025-04-24
Publication date: 2025-05-27
Anticipated expiration: 2045-04-24
Also published as: CN120038912B

Abstract

The invention discloses a mold closing driving mechanism and an injection molding machine with the same, relates to the technical field of injection molding machines, and aims to solve the technical problem of high cost of automatic cutting equipment. The mold closing driving mechanism integrates the functions of molding and removing the gate waste into the molding rod, in the traditional production flow, the molding and the waste removal often need to be operated separately, and the mold closing driving mechanism can directly treat the gate waste by using the molding rod after molding is finished through ingenious design, so that the conversion time between working procedures is reduced, the production efficiency is greatly improved, and compared with the traditional automatic cutting equipment, the mold closing driving mechanism only has a small number of structures such as a torsion component and the like, and has limited cost.

Description

Mold closing driving mechanism and injection molding machine with same

Technical Field

The invention relates to the technical field of injection molding machines, in particular to a mold closing driving mechanism and an injection molding machine with the same.

Background

In injection molding of injection products with small volumes, such as small pen tubes, cosmetic packaging small tubes, small medicine bottles, etc., which are round and cylindrical, injection molding machines are usually used for injection molding a plurality of products in one mold with multiple cavities at a time to improve production efficiency, in the process, a plurality of injection molding cavities are communicated through a sprue channel, because molten plastics need to be conveyed to each mold cavity from a nozzle of the injection molding machine through one channel in injection molding, the sprue channel is used for connecting the plurality of mold cavities, so that plastic melts can be filled into each mold cavity more uniformly and efficiently, and sufficient raw materials can be obtained for ensuring the consistency of the quality of the products in each mold cavity, however, in the injection molding mode of connecting the plurality of mold cavities through the sprue channel, sprue waste 71 is arranged between the injection molded products, as shown in fig. 14 in the description of the drawings, at present, there are two main modes for removing the sprue waste 71. One is a manual operation in which a worker manually removes the injection molded product and removes the gate scrap 71 using a tool such as a cutter. However, this method has obvious drawbacks, such as low manual operation efficiency, uneven product quality due to the influence of proficiency and fatigue of workers, and difficulty in meeting the large-scale and high-quality production requirements, and the other is to use equipment for specially removing the gate waste 71, such as some automatic cutting equipment, which is based on the principle that a mechanical arm is used for grabbing products, and a high-precision cutting tool is used for precisely cutting the gate waste according to a preset program. But the cost investment of such equipment is high. In view of the above, we propose a mold clamping driving mechanism and an injection molding machine having the same.

Disclosure of Invention

The invention aims to provide a die assembly driving mechanism and an injection molding machine with the same, so as to solve the technical problem of high cost of automatic cutting equipment.

In order to solve the technical problems, the invention provides the technical scheme that the mold closing driving mechanism based on the injection molding machine comprises a machine tool, a hydraulic transmission system arranged at the top of the machine tool, a mold closing mechanism with a cooling system arranged at the output end of the hydraulic transmission system, a molding assembly and a twisting assembly arranged in a machine cover, and a material distributing assembly arranged at the top of the machine tool;

The mold clamping mechanism comprises an injection molding plate arranged above a machine tool and at least four insert cylinders fixedly communicated to the right side of the injection molding plate in a square array, wherein the molding assembly comprises at least four molding rods, each molding rod is movably sleeved in the insert cylinder, and the surfaces of the end parts of the molding rods are provided with second waist-shaped holes in a symmetrical structure;

The invention discloses a mold closing driving mechanism, which comprises a mold closing rod, a mold closing driving mechanism, a mold closing mechanism and a mold opening mechanism, wherein the mold closing mechanism comprises at least two groups of four pushing rods which are diagonally distributed, each pushing rod is movably sleeved in one second waist-shaped hole, the two groups of four pushing rods which are diagonally distributed are intersected, one end of each pushing rod which is diagonally distributed is fixedly connected with a first transmission gear, the two diagonally distributed first transmission gears are meshed and connected, the diagonally distributed pushing rods are driven to rotate in opposite directions or in opposite directions through the rotation of the first transmission gears, so that the four molding rod ends gather or expand, and further, the mold closing mechanism is used for extruding or expanding sprue scraps, so that the sprue scraps are removed.

Preferably, a hood with a sliding door is arranged at the top of the machine tool, and a plurality of tie bars are fixedly connected to the inner wall of one side of the hood in a square array.

Preferably, the mould closing mechanism comprises a fixed mould seat plate, the fixed cover half seat plate is fixedly sleeved on the end surfaces of a plurality of tie bars, a plurality of tie bars are jointly and slidably sleeved on a movable mould seat plate, an injection moulding plate is slidably connected inside the movable mould seat plate, a driving plate is fixedly connected to the left side of the movable mould seat plate and is in transmission connection with a hydraulic transmission system, a fixed mould is fixedly connected to one side of the fixed mould seat plate, a plurality of hole grooves are formed in one side of the fixed mould, a movable mould is fixedly connected to one side of the movable mould plate, the movable mould is in movable contact with one side of the fixed mould, which is opposite to the movable mould, of the fixed mould, a plurality of moulding grooves are formed in the opposite side of the movable mould, a plug cylinder is in plug-in fit with the moulding grooves on the movable mould, a pouring gate groove is respectively formed in one side of the movable mould, the moulding grooves are communicated with the pouring gate groove, and each pouring gate groove inner wall is in a symmetrical structure and is fixedly connected with a shearing plate.

Preferably, the injection molding plate one side is square array fixedly connected with a plurality of locating levers, and the locating levers pass movable mould and hole groove grafting adaptation, the transmission groove has been seted up at the injection molding plate top, the injection molding plate is close to a plurality of spacer pins of drive plate one side fixedly connected with, and the spacer pin activity cup joints in the drive plate is downthehole, every the equal activity in spacer pin surface has cup jointed first spring, and first spring arrangement is between drive plate and injection molding plate.

Preferably, the molding assembly further comprises at least four first waist-shaped holes, each first waist-shaped hole is formed in the side surface of the molding rod, and each molding rod is located on the side surface of the first waist-shaped hole and is fixedly connected with the plugboard in a symmetrical structure.

Preferably, each of the inner walls at the right end of the insertion barrel is fixedly sleeved with a baffle plate, the upper plug pins of the baffle plates are movably sleeved in the first waist-shaped holes, and the baffle plates are in sliding sealing fit with the insertion plates.

Preferably, each of the insertion cylinders is movably sleeved with a cylindrical compression air bag, the upper right end plate of the cylindrical compression air bag is fixedly sleeved in the insertion cylinder, and the left end plate of the cylindrical compression air bag is fixedly sleeved on the surface of the molding rod;

When the cylindrical compression air bag is filled with gas, the connection part of the cylindrical compression air bag and the molding rod moves leftwards, the plugboard is in sealing fit with the baffle plate, a sealing effect is provided when a product is injection molded, and the plugboard is used for injection molding products and pouring gate waste blanking when the cylindrical compression air bag is rapidly filled with and gas is extracted.

Preferably, the torsion component comprises at least one transmission frame, at least one transmission frame is fixedly connected to the left inner wall of the transmission groove, the first transmission gears are movably connected to the inside of the transmission frame through bolts, first motors are arranged on two sides of the transmission frame, and the two first motors are respectively connected with the two first transmission gears in a transmission mode in a crossed distribution.

Preferably, the blanking groove of the material distribution assembly is arranged at the top of the machine tool, the blanking groove is divided into a waste groove and a finished product groove by a partition plate, a first round angle is formed at the edge part of the partition plate, which is contacted with the waste groove, a second round angle is formed at the intersection of the waste groove and the inner wall of the top of the machine tool, and a plurality of air guns are fixedly connected to the inner wall of one side of the blanking groove at the edge of the machine tool in a linear array;

When the air gun works, the air gun positioned below the vertex of the inclined partition plate ejects air flow, the air flow changes the flow direction of the air flow through the shape of the surface of the first round angle, one air flow flows along the inner wall of the bottom of the waste tank to the outlet so as to discharge waste materials, the other air flow along the inner wall of the waste tank, and the air flow passes through the surface of the second round angle so as to flow upwards and obliquely right, wherein the contact area of an injection molding product and the air flow is larger than that of the waste materials, and the injection molding product and the waste materials are separated;

an air gun positioned above the low point of the inclined partition plate ejects air flow, passes through the partition plate and separates the falling injection molding products from waste materials.

Preferably, the injection molding machine of compound die actuating mechanism, including arranging the control system at the lathe top, the heating system that moulds plastics has been arranged on lathe top right side, lathe top right side fixedly connected with guardrail, guardrail top fixedly connected with feed cylinder down, the feed cylinder with the heating chamber intercommunication on the heating system that moulds plastics.

Compared with the prior art, the invention has the beneficial effects that:

1. The mold closing driving mechanism integrates the functions of molding and removing the gate waste into the molding rod, in the traditional production flow, the molding and the waste removal often need to be operated separately, and the mold closing driving mechanism can directly treat the gate waste by using the molding rod after molding is finished through ingenious design, so that the conversion time between working procedures is reduced, the production efficiency is greatly improved, and compared with the traditional automatic cutting equipment, the mold closing driving mechanism only has a small number of structures such as a torsion component and the like, and has limited cost.

2. According to the invention, the barrel-shaped compression air bag, the push rod, the first transmission gear and other components work cooperatively, so that the automation of sprue waste removal is realized. After injection molding is completed, the cylindrical compression air bag is pumped or inflated through the control system, the first motor is matched to drive the first transmission gear to rotate, the movement of the plastic rod is precisely controlled, and the pouring gate waste is extruded or expanded, so that separation is realized. This automated process is quick and stable, compares the manual removal runner waste material, raises the efficiency.

3. According to the invention, the material distribution assembly realizes the efficient separation of injection products and waste materials through the synergistic effect of the blanking groove, the partition plate, the first round corner, the second round corner and the air gun, the partition plate is inclined, the air gun at the end part is positioned below the top point of the partition plate, when the air gun works, the air flow changes the flowing direction through the first round corner, the pouring gate waste materials in the waste material groove can be blown out, meanwhile, the air flow with the changed direction through the second round corner can enable the injection products to fall into the finished product groove, and the air gun higher than the low point of the partition plate can also directly convey the air flow to the finished product so as to enable the air flow to fall into the finished product groove, so that the material distribution accuracy and efficiency are improved.

Drawings

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

Fig. 2 is a schematic cross-sectional view of the whole structure of the present invention.

Fig. 3 is an enlarged schematic view of the structure of fig. 2 at a to show a schematic view of the air gun according to the present invention.

Fig. 4 is a schematic perspective view of a clamping mechanism according to the present invention.

FIG. 5 is a schematic view of an explosive structure of a clamping mechanism according to the present invention.

Fig. 6 is an enlarged schematic view of the structure of fig. 5 at B according to the present invention.

Fig. 7 is a schematic view of a three-dimensional partial structure of a clamping mechanism according to the present invention.

Fig. 8 is a schematic perspective view of a molding assembly according to the present invention.

Fig. 9 is a schematic view of a three-dimensional exploded view of a molding assembly according to the present invention.

Fig. 10 is a schematic perspective view of the torque assembly of the present invention.

Fig. 11 is a schematic perspective exploded view of the torsion assembly of the present invention.

FIG. 12 is a schematic cross-sectional view of a mold clamping structure according to the present invention.

FIG. 13 is a schematic cross-sectional view of an open mold structure according to the present invention.

FIG. 14 is a schematic cross-sectional view of the injection molded product of the present invention.

The reference numerals in the drawings indicate that 1, a machine tool, 11, a hood, 12, a hydraulic transmission system, 13, a tie bar, 2, a mold clamping mechanism, 21, a fixed mold seat plate, 22, a movable mold seat plate, 221, a transmission plate, 23, a fixed mold, 231, a hole slot, 24, a movable mold, 25, a molding slot, 26, a gate slot, 261, a shearing plate, 27, an injection molding plate, 271, a positioning rod, 272, a transmission slot, 273, a limiting pin, 274, a first spring, 275, an inserting cylinder, 3, a molding assembly, 31, a molding rod, 311, a first waist-shaped hole, 312, an inserting plate, 313, a second waist-shaped hole, 32, a baffle plate, 33, a cylindrical compression air bag, 4, a torsion assembly, 41, a transmission frame, 42, a push rod, 43, a first transmission gear, 44, a first motor, 5, a distributing assembly, 51, a blanking slot, 511, a first round angle, 512, a second round angle, 52, a baffle plate, 53, an air gun, 6, a control system, 61, an injection molding heating system, 62, a guardrail, 63, a cylindrical blanking cylinder, 71, and a waste product.

Detailed Description

Example 1:

As shown in fig. 1-2, fig. 4-9 and fig. 12-13, the mold closing driving mechanism based on the injection molding machine comprises a machine tool 1, a hood 11 with a sliding door, a hydraulic transmission system 12, a plurality of tie bars 13, a mold closing mechanism 2, a molding assembly 3, a twisting assembly 4 and a material distributing assembly 5, wherein the hood 11 is arranged at the top of the machine tool 1, the hydraulic transmission system 12 is arranged in the hood 11, the tie bars 13 are fixedly connected to the inner wall of one side of the hood 11 in a square array, the mold closing mechanism 2 is arranged in the hood 11 and is provided with a cooling system at the output end of the hydraulic transmission system 12, and the molding assembly 3 and the twisting assembly 4 are arranged in the hood 11.

The die clamping mechanism 2 comprises a fixed die seat plate 21, the fixed die seat plate 21 is fixedly sleeved on the end surfaces of a plurality of tie bars 13, the surfaces of the tie bars 13 are jointly sleeved with a movable die seat plate 22 in a sliding manner, the left side of the movable die seat plate 22 is fixedly connected with a transmission plate 221, the transmission plate 221 is in transmission connection with a hydraulic transmission system 12, one side of the fixed die seat plate 21, which is close to the movable die seat plate 22, is fixedly connected with a fixed die 23, one side of the fixed die 23 is provided with a plurality of hole grooves 231 in a square array, one side of the movable die seat plate 22, which is close to the fixed die 23, is fixedly connected with a movable die 24, one side of the movable die 24, which is in movable contact with one side, which is opposite to the fixed die 23, is respectively provided with a plurality of molding grooves 25 in a square array, one side, which is opposite to the movable die 24 and the fixed die 23, is respectively provided with a gate groove 26, and the molding grooves 25 are communicated with the gate groove 26, every runner groove 26 inner wall all is symmetrical structure fixedly connected with shear plate 261, movable die holder board 22 inside sliding connection has injection molding board 27, injection molding board 27 one side is square array fixedly connected with a plurality of locating levers 271, and locating lever 271 passes movable die 24 and hole groove 231 grafting adaptation, transmission groove 272 has been seted up at injection molding board 27 top, injection molding board 27 is close to transmission board 221 one side fixedly connected with a plurality of spacer pins 273, and spacer pin 273 activity cup joints in the downthehole of transmission board 221, first spring 274 has all been cup jointed to every spacer pin 273 surface activity, and first spring 274 is arranged between transmission board 221 and injection molding board 27, injection molding board 27 is square array and a plurality of cartridge 275 of transmission groove 272 fixed intercommunication far away from spacer pin 273 one side, and cartridge 275 and movable die 24 go up the grafting adaptation of plastic groove 25.

When the movable die plate 22 is used, the movable die 24 and the injection plate 27 are driven to move towards the fixed die plate 21, the injection plate 27 is completely inserted into the hole groove 231 through the positioning rod 271, so that the injection plate 27 stops translating, and at the moment, the movable die plate 22 continues translating, and the movable die 24 is driven to move and be tightly attached to the fixed die 23.

It should be noted that the molding groove 25 may be changed according to the shape of the end of the injection molded product to adapt to injection molded products with various end shapes.

The shaping assembly 3 comprises a plurality of shaping rods 31, the shaping rods 31 are respectively sleeved inside the inserting cylinders 275, two ends of the shaping rods 31 penetrate through the inserting cylinders 275, first waist-shaped holes 311 are formed in the side surfaces of the shaping rods 31, the side surfaces of the shaping rods 31 located in the first waist-shaped holes 311 are fixedly connected with inserting plates 312 in a symmetrical structure, second waist-shaped holes 313 are formed in the end surfaces of the shaping rods 31 in a symmetrical structure, blocking plates 32 are fixedly sleeved on the inner walls of the right ends of the inserting cylinders 275, bolts on the blocking plates 32 are movably sleeved inside the first waist-shaped holes 311, the blocking plates 32 are matched with the inserting plates 312 in a sliding sealing mode, cylindrical compression air bags 33 are movably sleeved inside the inserting cylinders 275, right end plates on the cylindrical compression air bags 33 are fixedly sleeved inside the inserting cylinders 275, and left end plates of the cylindrical compression air bags 33 are fixedly sleeved on the surfaces of the shaping rods 31.

Specifically, when the cylindrical compression air bag 33 is inflated or pumped, the molding rod 31 moves rightwards, the insertion plate 312 penetrates through the baffle plate 32, so that the molding rod 31 axially rotates to separate the gate waste 71 on the injection molding product, when the cylindrical compression air bag 33 is inflated, the molding rod 31 moves leftwards, and the insertion plate 312 and the baffle plate 32 are in sealing fit, so that a sealing effect is provided for the injection molding of the product.

The molding rod 31 is used to mold a cylindrical injection molded product, such as a small-sized and cylindrical injection molded product, for example, a medicine bottle, a cosmetic packaging tube, and a pen tube.

Example 2:

As shown in fig. 10-11, in the embodiment of the present invention, the twisting component 4 includes a plurality of transmission frames 41, the plurality of transmission frames 41 are fixedly connected to the left inner wall of the transmission groove 272 in a square array, two push rods 42 are movably arranged at the left end of each diagonally distributed two molding rods 31, the end parts of the push rods 42 are movably sleeved in one of the second waist-shaped holes 313, the end parts of each diagonally distributed two push rods 42 are fixedly connected with a first transmission gear 43, two adjacent first transmission gears 43 are in meshed connection, four first transmission gears 43 in cross distribution are movably connected in the transmission frames 41 through bolts, first motors 44 are arranged at two sides of one transmission frame 41, and the two first motors 44 are respectively in transmission connection with the first transmission gears 43 in cross distribution.

Specifically, two first transmission gears 43 which are distributed in a crossed manner are driven to rotate by two first motors 44, the two first transmission gears 43 which are distributed in a diagonal manner rotate in opposite directions, so that the insert plate 312 moves axially through the molding rods 31 of the baffle plate 32, other molding rods 31 are driven to move through meshing transmission of the first transmission gears 43, when the two molding rods 31 which are distributed in a diagonal manner move in opposite directions, the molding rods 31 which are in the same straight line with the two molding rods move in opposite directions, the sprue waste 71 in the middle of the movable mold 24 can be extruded through gathering injection products, the sprue waste 71 in the periphery of the movable mold 24 is expanded through expanding the injection products, and when the two molding rods 31 which are distributed in a diagonal manner move in opposite directions, the sprue waste 71 in the middle of the movable mold 24 is expanded through expanding the injection products, and the sprue waste 71 in the periphery of the movable mold 24 is extruded through gathering the injection products.

The barrel-shaped compression air bag 33, the push rod 42, the first transmission gear 43 and other components work cooperatively, so that the automation of removing the pouring gate waste 71 is realized. After injection molding is completed, the control system 6 is used for exhausting or inflating the cylindrical compression air bag 33, the first motor 44 is matched with the first transmission gear 43 to drive the first transmission gear to rotate, the movement of the molding rod 31 is precisely controlled, and the pouring gate waste 71 is extruded or expanded to realize separation. This automated process is fast and stable, improving efficiency over manual removal of gate scrap 71.

Example 3:

As shown in fig. 3, in the embodiment of the invention, the material distributing component 5 comprises a material discharging groove 51, the material discharging groove 51 is arranged at the top of the machine tool 1, the material discharging groove 51 is divided into a waste groove and a finished product groove by a partition plate 52, a first round corner 511 is arranged at the edge part of the partition plate 52 contacted with the waste groove, a second round corner 512 is arranged at the intersection part of the waste groove and the inner wall of the top of the machine tool 1, and a plurality of air guns 53 are fixedly connected with one side inner wall of the material discharging groove 51 at the edge part of the machine tool 1 in a linear array.

Specifically, the partition plate 52 is inclined, the end air guns 53 are located below the top of the partition plate 52, so that the air guns 53 work, the air flow changes the air flow direction from the end air guns 53 through the first round corners 511, and when the air flows from the inner wall of the bottom of the waste tank, the gate waste 71 in the waste tank can flow out through the air, meanwhile, the air flow changes the air flow direction through the second round corners 512 after passing through the inner wall of the bottom of the waste tank, so that the air flows towards the upper right side, and when the air flows into contact with a product, the contact area between the air gun 53 and the product is larger than the contact area between the air gun 53 and the gate waste 71, so that the injection molding product falls into a finished product tank, and other air guns 53 higher than the position of the partition plate 52 directly convey the air flow to the finished product, so that the air flow falls into the finished product tank.

According to the invention, the material distribution assembly 5 realizes the efficient separation of injection products and waste materials through the synergistic effect of the blanking groove 51, the partition plate 52, the first round corner 511, the second round corner 512 and the air gun 53, the partition plate 52 is inclined, the end air gun 53 is positioned below the top point of the partition plate 52, when the air gun 53 works, the air flow changes the flow direction through the first round corner 511, the gate waste 71 in the waste groove can be blown out, meanwhile, the air flow with the changed direction through the second round corner 512 can enable the injection products to fall into a finished product groove, and the air gun 53 higher than the low point of the partition plate 52 can also directly convey the air flow to the finished product to enable the air flow to fall into the finished product groove, so that the material distribution accuracy and efficiency are improved.

As shown in fig. 1, the injection molding machine of the mold clamping driving mechanism comprises the mold clamping driving mechanism and further comprises a control system 6 arranged at the top of the machine tool 1, wherein an injection molding heating system 61 is arranged on the right side of the top of the machine tool 1, a guardrail 62 is fixedly connected to the right side of the top of the machine tool 1, a blanking cylinder 63 is fixedly connected to the top of the guardrail 62, and the blanking cylinder 63 is communicated with a heating cavity on the injection molding heating system 61.

The working principle is that the embodiment provides a mold closing driving mechanism and an injection molding machine with the same, wherein the mold closing injection molding is carried out by driving a movable mold base plate 22 to slide towards a fixed mold base plate 21 on the surface of a tie bar 13 through a hydraulic transmission system 12, driving a movable mold 24 to move by the movable mold base plate 22, enabling a positioning rod 271 to be inserted into a hole groove 231, enabling an injection molding plate 27 to be fixed, enabling the movable mold base plate 22 to continuously move, enabling the movable mold base plate 22 to be in close contact with the fixed mold 23, and enabling the movable mold base plate 22 to limit and translate through a limiting pin 273 and the surface shape of the injection molding plate 27, after mold closing, enabling injection molding solution to enter a molding groove 25 through a Kong Naliu on the fixed mold base plate 21 through an injection molding heating system 61, and communicating a plurality of molding grooves 25 through a pouring gate groove 26;

The pouring gate waste 71 is removed, in injection molding, injection molding solution in the pouring gate waste 71 is cooled and solidified through a cooling structure, then the movable die holder plate 22 is moved leftwards through the hydraulic transmission system 12, the initial state is restored, the tubular injection molding product 7 with the pouring gate waste 71 is completely sleeved at the end part of the molding rod 31, then gas is pumped out of the tubular compression air bag 33 through the control system 6, the left end part of the tubular compression air bag 33 is moved rightwards, the molding rod 31 is moved rightwards, wherein the inserting plate 312 is moved out of the baffle plate 32, the end part of the molding rod 31 slides on the push rod 42 through the second waist-shaped hole 313, after the inserting plate 312 is moved out, the two first motors 44 are simultaneously operated through the external circuit mechanism, the first transmission gears 43 are driven to rotate, and the diagonally distributed two push rods 42 are driven to axially rotate oppositely or oppositely through the gears, so that the diagonally distributed two molding rods 31 are driven to move oppositely or oppositely, when the diagonally distributed two molding rods 31 are moved, the diagonally distributed two molding rods 31 are oppositely move, the same straight molding rod 31 are driven oppositely, the middle part of the molding rod 31 can be moved oppositely, the injection molding rod 31 can be driven to move through the second waist-shaped holes 313 to be pushed out of the injection molding plate 312, and the pouring gate waste 24 can be pushed out of the two waste 24 to the injection molding products through the expansion die 24, and the pouring gate waste 24 can be located around the pouring gate waste 24 is located on the injection molding 24, and the injection molding 24 is separated through the pouring gate waste 71, and the pouring gate waste 24 is located on the injection molding 24, and the pouring gate waste is expanded, and the pouring gate waste is located on the opposite the pouring gate waste 71, and the waste 71 can be formed;

Injection product and waste separation: after the sprue waste 71 is removed, the cylindrical compression air bag 33 is pumped with gas, the cylindrical compression air bag 33 is completely compressed, the plastic rod 31 is driven to move to the right side, the cylindrical compression air bag 33 is filled with gas, the cylindrical compression air bag 33 is rapidly expanded, the plastic rod 31 is rapidly contracted, the blanking effect is achieved, part of the sprue waste 71 falls off firstly, the other part of the sprue waste 71 falls off simultaneously with the cylindrical injection product 7, the first fallen sprue waste 71 falls into a waste tank directly, when the other part of the sprue waste 71 and the cylindrical injection product 7 fall off simultaneously, the control system 6 enables the air gun 53 to work, the air flow flows out from the air gun 53, the end air gun 53 is located below the top point of the inclined partition plate 52, the air flow is changed through the first round corner 511, part of the air flow flows out from the output port of the waste tank, the air flow is discharged through the bottom inner wall of the waste tank, the other part of the air flow passes through the second round corner 512, the air flow obliquely upwards flows towards the right side, the fallen cylindrical product 7 is contacted with the flowing air flow, the first part of the fallen sprue waste 71 falls into the waste 7, the air flow is far away from the waste 7, the area of the cylindrical injection product 7 falls into the middle part of the air gun 52 is far away from the lower part of the cylindrical injection product 7, and the front of the air gun is far lower than the inclined part of the partition plate 52, and the air gun 52 falls into the air flow in the middle part of the air gun 52 is separated from the air gun, and the air gun is located in the middle of the air gun is located near the front of the air gun 7, and the air gun is far away from the lower part is far from the lower part of the air inlet 7 is far down, and lower than the air is left and lower down.

The embodiments of the present invention are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present invention.

Claims

1. The mold closing driving mechanism based on the injection molding machine is characterized by comprising a machine tool, a hydraulic transmission system arranged at the top of the machine tool, a mold closing mechanism with a cooling system arranged at the output end of the hydraulic transmission system, a molding assembly and a twisting assembly arranged in a machine cover, and a material distributing assembly arranged at the top of the machine tool;

the twisting component comprises at least two groups of four pushing rods which are diagonally distributed, each pushing rod upper bolt is movably sleeved in one second waist-shaped hole, the two groups of four pushing rods which are diagonally distributed are intersected, one end of each of the two pushing rods which are diagonally distributed is fixedly connected with a first transmission gear, the two diagonally distributed first transmission gears are meshed and connected, the diagonally distributed pushing rods are driven to rotate in opposite directions or in opposite directions through the rotation of the first transmission gears, so that the end parts of the four molding rod are gathered or unfolded, and further pouring gate waste is extruded or expanded, and the pouring gate waste is removed.

2. The mold closing driving mechanism based on the injection molding machine, according to claim 1, wherein a hood with a sliding door is arranged at the top of the machine tool, and a plurality of tie bars are fixedly connected to the inner wall of one side of the hood in a square array.

3. The mold closing driving mechanism based on the injection molding machine according to claim 2, wherein the mold closing mechanism comprises a fixed mold seat plate, the fixed mold seat plate is fixedly sleeved on the end surfaces of a plurality of tie bars, the surfaces of the tie bars are jointly and slidably sleeved with a movable mold seat plate, the injection molding plate is slidably connected inside the movable mold seat plate, a transmission plate is fixedly connected to the left side of the movable mold seat plate and is in transmission connection with a hydraulic transmission system, a fixed mold is fixedly connected to one side of the fixed mold seat plate, a plurality of hole grooves are formed in one side of the fixed mold in a square array, a movable mold is fixedly connected to one side of the movable mold seat plate, which is close to the fixed mold, of the movable mold, a plurality of molding grooves are formed in a square array, the movable mold is in plug-in fit with the molding grooves, a sprue groove is formed in the opposite side of the movable mold, the sprue groove is communicated with the movable mold, and the inner wall of each sprue groove is fixedly connected with a shearing plate in a symmetrical structure.

4. The mold closing driving mechanism based on the injection molding machine according to claim 3, wherein one side of the injection molding plate is fixedly connected with a plurality of positioning rods in a square array, the positioning rods penetrate through the movable mold and are in plug-in fit with the hole grooves, the top of the injection molding plate is provided with a transmission groove, one side of the injection molding plate, which is close to the transmission plate, is fixedly connected with a plurality of limiting pins, the limiting pins are movably sleeved in holes in the transmission plate, the surface of each limiting pin is movably sleeved with a first spring, and the first springs are arranged between the transmission plate and the injection molding plate.

5. The mold closing driving mechanism based on the injection molding machine according to claim 4, wherein the molding assembly further comprises at least four first waist-shaped holes, each first waist-shaped hole is formed in the side surface of the molding rod, and each molding rod is located on the side surface of the first waist-shaped hole and is fixedly connected with the insertion plate in a symmetrical structure.

6. The mold closing driving mechanism based on the injection molding machine according to claim 5, wherein a baffle plate is fixedly sleeved on the inner wall of the right end of each insert cylinder, a bolt on the baffle plate is movably sleeved in the first waist-shaped hole, and the baffle plate is in sliding sealing fit with the insert plate.

7. The mold closing driving mechanism based on the injection molding machine according to claim 6, wherein each insert cylinder is movably sleeved with a cylindrical compression air bag, the upper right end plate of the cylindrical compression air bag is fixedly sleeved inside the insert cylinder, and the left end plate of the cylindrical compression air bag is fixedly sleeved on the surface of the molding rod;

8. The mold closing driving mechanism based on the injection molding machine according to claim 7, wherein the torque assembly comprises at least one transmission frame, at least one transmission frame is fixedly connected to the left inner wall of the transmission groove, the first transmission gears are movably connected to the inside of the transmission frame through bolts, first motors are arranged on two sides of the transmission frame, and the two first motors are respectively in transmission connection with the two first transmission gears which are distributed in an intersecting manner.

9. The mold closing driving mechanism based on the injection molding machine, according to claim 8, characterized in that the material distribution assembly comprises a blanking groove, the blanking groove is arranged at the top of the machine tool, the blanking groove is divided into a waste groove and a finished product groove by a partition plate, a first round angle is arranged at the edge part of the partition plate, which is contacted with the waste groove, a second round angle is arranged at the intersection part of the waste groove and the inner wall of the top of the machine tool, and a plurality of air guns are fixedly connected with the inner wall of one side of the blanking groove at the edge part of the machine tool in a linear array;

10. An injection molding machine comprising the mold clamping driving mechanism according to any one of claims 1 to 8.