CN115648544A - Injection molding production line convenient for demolding and working method thereof - Google Patents
Injection molding production line convenient for demolding and working method thereof Download PDFInfo
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- CN115648544A CN115648544A CN202210906001.7A CN202210906001A CN115648544A CN 115648544 A CN115648544 A CN 115648544A CN 202210906001 A CN202210906001 A CN 202210906001A CN 115648544 A CN115648544 A CN 115648544A
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 64
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 82
- 238000002347 injection Methods 0.000 claims abstract description 69
- 239000007924 injection Substances 0.000 claims abstract description 69
- 239000002994 raw material Substances 0.000 claims abstract description 28
- 238000000465 moulding Methods 0.000 claims abstract description 16
- 238000012856 packing Methods 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000000047 product Substances 0.000 description 27
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000011017 operating method Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Abstract
The application relates to an injection moulding production line convenient to drawing of patterns includes: the device comprises a front mold, a rear mold, a molding chamber, an injection mechanism, a pushing mechanism, a vibration mechanism, a transmission mechanism, a conveyor and a controller. According to the injection molding machine, the front mold and the rear mold are driven to rotate through the transmission mechanism, the molds rotate during injection, injection molding raw materials generate centrifugal speed and move to the outer edge of the molds, and meanwhile, new injection molding raw materials are continuously supplemented in the middle of the molds, so that the conditions that the raw materials are unevenly distributed during injection molding, dead corners such as partial grooves in the molds are not completely filled are prevented, and the quality of products is improved; through setting up the bobbing machine dog, the mould takes place high frequency slight amplitude vibration during the drawing of patterns, promotes product and mould separation, can not cause the damage to the product simultaneously, has improved production yields and production quality's stability.
Description
Technical Field
The application relates to the field of mold equipment, in particular to an injection molding production line convenient for demolding and a working method thereof.
Background
CN201910660940.6 discloses a first demoulding mechanism of an injection mould and a production method of the injection mould, and the technical scheme is as follows: the injection molding device comprises a rear mold and a front mold, wherein the front mold is positioned above the rear mold, an injection molding cavity with an upward opening is arranged in the rear mold, a product is injected in the injection molding cavity, the left side and the right side of the injection molding cavity are communicated with a connecting cavity, a baffle is slidably arranged between the connecting cavity on the left side and the right side, through holes are symmetrically formed in the baffle in the left side and the right side, a rotating block is rotatably arranged on the bottom surface of the front mold in a bilateral symmetry manner, a sliding cavity is arranged in the rotating block, a sliding block is slidably arranged in the sliding cavity, a rotating rod is fixedly arranged on the bottom surface of the sliding block and extends downwards to penetrate through the bottom surface of the rotating block, the rotating rod is slidably arranged with the rotating block, an oval block is fixedly arranged on the bottom surface of the rotating rod, a rotating mechanism capable of rotating the oval block is arranged in the rear mold, and a sealing mechanism capable of sealing the injection molding cavity and the connecting cavity is arranged in the front mold; the sealing mechanism comprises spring cavities which are bilaterally and symmetrically arranged in the front mold, the spring cavities extend downwards to penetrate through the bottom surface of the front mold, sliding plates are arranged in the spring cavities in a sliding mode, springs are fixedly arranged between the top surface of each sliding plate and the top wall of the corresponding spring cavity, the distance between the sliding plates on the left side and the right side is equal to the width of the injection molding cavity, a connecting block is fixedly connected between each sliding plate and the rotating rod, and the connecting block is rotatably arranged with the rotating rod; the slewing mechanism sets up including the intercommunication the rack chamber of joint chamber one side, rack intracavity slidable mounting rack, the rack top surface with front mould fixed connection, the joint chamber rear side is equipped with the gear chamber, the gear chamber with rotate the installation transfer line between the joint chamber, the first gear of transfer line leading flank fixed mounting, transfer line trailing flank fixed mounting second gear, gear chamber front side be equipped with the screw thread chamber of joint chamber intercommunication, the screw thread chamber with rotate the installation threaded rod between the gear chamber, threaded rod trailing flank fixed mounting third gear, the third gear with transmission installation chain between the second gear, screw thread intracavity slidable mounting thread piece, the thread piece with threaded rod threaded mounting, the position behind the oval piece downstream does the screw thread piece dead ahead.
The first demoulding mechanism of the injection mould and the production method of the injection mould have the following advantages: when the bottom surface of front mould and the top surface of back mould laminated mutually, toward through the hole of moulding plastics the intracavity adds the raw materials of moulding plastics, oval piece removes the dead ahead of screw thread piece, the rack chamber makes screw thread piece move forward through slewing mechanism's transmission, screw thread piece moves forward makes oval piece rotate, after injection moulding product accomplishes that moulding plastics, oval piece rebound can drive baffle and injection moulding product rebound simultaneously, prevent that injection moulding product from dropping, also prevent that injection moulding product card from in the back mould, then release injection moulding product from the baffle through promoting the piece, be worth promoting.
However, the prior demoulding mechanism of the injection mould and the production method of the injection mould also have the following defects: when the product is injection-molded, the uniformity of injection-molding raw materials is unstable, so that the local part in the mold is not completely filled, and the injection molding fails; when the pushing block pushes out the injection product, the pushing force may be afraid of damaging the product to cause product damage, and the production yield is low.
Therefore, an injection molding device with more uniform distribution of injection molding raw materials and less damage to products after demolding is needed.
Disclosure of Invention
In order to solve the problems that the uniformity of injection molding raw materials is unstable, and the thrust is easy to cause product damage during demolding, the application provides an injection molding production line convenient for demolding and a working method thereof.
The application provides an injection moulding production line convenient to drawing of patterns includes: the device comprises a front mould, a rear mould, a forming chamber, an injection mechanism, a pushing mechanism, a vibration mechanism, a transmission mechanism, a conveyor and a controller;
the injection mechanism is arranged on the side part of the forming chamber, is matched with the injection mechanism and outputs materials to enter the forming chamber; the front mould is arranged at the front part of the forming chamber and is rotationally connected with the forming chamber; the rear mould is arranged in the middle of the forming chamber and is rotationally connected with the forming chamber, and the rear mould is in sliding connection with the forming chamber in the horizontal direction; the pushing mechanism is arranged at the rear part of the rear die and is matched with the rear die to drive the rear die to horizontally displace; the vibration mechanism is arranged at the rear part of the rear die and is matched with the rear die to drive the rear die to carry out high-frequency micro-amplitude vibration and quick demoulding; the transmission mechanism is arranged at the front part of the forming chamber, is matched with the front die and the rear die and drives the front die and the rear die to rotate;
the conveyer is arranged below the forming chamber and matched with the forming chamber to output products which are formed by injection molding in the forming chamber.
The forming chamber comprises: the front plate is arranged at the front part of the forming chamber and is fixedly connected with the forming chamber, and the front plate is vertical to the feeding direction; the rear plate is arranged at the rear part of the forming chamber and is fixedly connected with the forming chamber, and the rear plate is vertical to the feeding direction; the feeding channel is arranged in the middle of the front plate and is communicated with the rear end of the injection mechanism; the rotating guide rails are symmetrically arranged on the side wall of the front plate and are rotationally connected with the front mould; the first rotating grooves are symmetrically arranged on two sides of the rear plate; the second rotating grooves are symmetrically arranged on two sides of the front plate; the first connecting arms are symmetrically arranged in the first rotating groove and the second rotating groove and are respectively rotatably connected with the first rotating groove and the second rotating groove, the middle parts of the first connecting arms are fixedly connected with the side parts of the front mold, one ends of the first connecting arms are in driving connection with the transmission mechanism, and the other ends of the first connecting arms are fixedly connected with the pushing mechanism; the guide rods are symmetrically and obliquely arranged between the front die and the rear plate, one end of each guide rod is fixedly connected with the front die, and the other end of each guide rod is fixedly connected with the first connecting arm; the mounting plates are symmetrically and vertically arranged between the rear die and the rear plate, fixedly connected with the rear die and slidably connected with the guide rods; the guide groove is arranged on the outer side of the mounting plate and is in sliding connection with the guide rod; the first sliding groove is arranged on the inner side of the mounting plate, and the direction of the first sliding groove is consistent with that of the mounting plate; the first sliding rod is arranged in the first sliding groove and is in sliding connection with the first sliding groove; the third rotating grooves are symmetrically arranged on the inner side of the rear plate; and the second connecting arm is symmetrically arranged in the third rotating groove and is rotationally connected with the third rotating groove, one end of the second connecting arm is rotationally connected with the end part of the first sliding rod, and the other end of the second connecting arm is in driving connection with the vibrating mechanism.
Through adopting above-mentioned technical scheme, the mould takes place to rotate during the injection, and the raw materials of moulding plastics produces centrifugal speed, moves to the mould outward flange, and the mould middle part constantly supplements new raw materials of moulding plastics simultaneously, has prevented that the raw materials distributes the condition that the dead angles such as uneven and the inside slot of mould are not filled by complete when moulding plastics, has improved the quality of product.
An output port is arranged below the forming chamber and is matched with the conveyor to output products.
The rear die is divided into two parts along the section, and the two parts are respectively arranged on the two symmetrically arranged mounting plates and are respectively fixedly connected with the corresponding mounting plates.
The pushing mechanism includes: the second sliding chute is arranged on the first connecting arm; the second sliding rod is arranged in the second sliding groove and is in sliding connection with the second sliding groove; the connecting plates are arranged at the end parts of the first connecting arms and are respectively fixedly connected with the two first connecting arms, and the connecting plates are perpendicular to the first connecting arms; the first electric push rod is arranged in the middle of the connecting plate and fixedly connected with the connecting plate, and the first electric push rod is perpendicular to the connecting plate.
The vibration mechanism includes: the first fixing plate is arranged at the front part of the vibration mechanism and is fixedly connected with a second connecting arm of the forming chamber; the fixing rods are symmetrically arranged on two sides of the first fixing plate, are perpendicular to the first fixing plate and are in sliding connection with the first fixing plate; the second fixing plate is arranged at the rear part of the vibration mechanism and is fixedly connected with the fixing rod, two ends of the second fixing plate are rotatably connected with the second sliding rod of the pushing mechanism, and the middle part of the second fixing plate is fixedly connected with the first electric push rod of the pushing mechanism; the supporting spring is sleeved on the fixed rod, one end of the supporting spring is abutted against the first fixed plate, and the other end of the supporting spring is abutted against the second fixed plate; the vibration motor is arranged on the first fixing plate, is fixedly connected with the first fixing plate and is electrically connected with the controller, and the rotation axis direction of the vibration motor is parallel to the plane direction of the second fixing plate; the eccentric wheel is arranged on the vibration motor and is in driving connection with the vibration motor; the column cap is arranged on the surface of the eccentric wheel and is fixedly connected with the eccentric wheel; the first rotating bearing is arranged on the column head and is in rotating connection with the column head; the connecting rod is horizontally arranged on the second fixing plate and is in rotary connection with the second fixing plate; the second rotating bearing is arranged at one end of the connecting rod, which is back to the second fixed plate, and is rotationally connected with the connecting rod; and the transmission arm is arranged between the eccentric wheel and the connecting rod, one end of the transmission arm is rotationally connected with the first rotating bearing, and the other end of the transmission arm is rotationally connected with the second rotating bearing.
Through adopting above-mentioned technical scheme, the drive mould takes place high frequency micro-amplitude vibration, promotes product and mould separation, can not cause the damage to the product simultaneously, has improved the stability of production yields and production quality.
The injection mechanism comprises: an injection cavity; the feeding hole is formed in the left side end of the injection cavity and communicated with the injection cavity; the packing auger is arranged in the injection cavity and is rotationally connected with the injection cavity, and the side part of the packing auger is abutted against the inner wall of the injection cavity; the connecting shaft is arranged at the end part of the packing auger and is fixedly connected with the packing auger; the driving motor is arranged outside the left side of the injection cavity, is in driving connection with the packing auger and is electrically connected with the controller; the heating cavity is arranged at the right side part of the injection cavity; the heater is arranged on the inner wall of the heating cavity and is electrically connected with the controller; the ejection of compact mouth sets up heating chamber right side end, one end and heating chamber intercommunication, the other end with the pan feeding passageway intercommunication of forming chamber.
The transmission mechanism includes: the mounting frame is arranged on the side part of the driving motor of the injection mechanism and is fixedly connected with the driving motor; the transmission shaft is arranged on the side part of the injection mechanism, one end of the transmission shaft is rotationally connected with the mounting frame, and the other end of the transmission shaft is rotationally connected with the outer wall of the forming chamber; the first transmission gear is sleeved on the connecting shaft of the injection mechanism and is in driving connection with the connecting shaft; the second electric push rod is arranged on the mounting frame and is fixedly connected with the mounting frame, and the second electric push rod is perpendicular to the mounting frame; the second transmission gear is arranged at the end part of the second electric push rod and is rotationally connected with the second electric push rod, and the second transmission gear is meshed with the first transmission gear; the third transmission gear is sleeved on the transmission shaft, is in driving connection with the transmission shaft and is meshed with the second transmission gear; the gear ring is arranged outside the front side of the forming chamber and fixedly connected with the first connecting arm; and the planetary gear is sleeved on the transmission shaft, is in driving connection with the transmission shaft and is meshed with the gear ring.
An operating method of an injection molding production line convenient for demolding comprises the following steps:
s1, plasticizing, namely feeding injection molding raw materials from a feeding hole, controlling a driving motor to drive a packing auger to push the injection molding raw materials to a heating cavity by a controller, and starting a heater to heat and plasticize;
s2, rotating for injection, wherein the controller controls the first electric push rod to extend, and the rear mold is pushed to move towards the front mold to an injection molding position and then stops; the controller controls the second electric push rod to extend, the second transmission gear is meshed with the first transmission gear and the third transmission gear to drive the third transmission gear and the planetary gear to rotate, the gear ring rotates along with the third transmission gear to drive the front mold and the rear mold to rotate, and when the space between the front mold and the rear mold is filled with the injection molding raw material, the controller controls the second electric push rod to shorten, and the front mold and the rear mold stop rotating;
s3, vibrating and demolding, cooling and molding the injection molding raw material in a molding chamber, controlling a vibration motor to start by a controller, and carrying out high-frequency micro-amplitude vibration on the rear mold by a vibration mechanism; and controlling the second electric push rod to shorten, and enabling the product to fall into the conveyor from the output port for output.
In the step S2, before the second electric ram is extended or shortened, a reset process is performed: the controller controls the driving motor to rotate to an initial angle.
To sum up, the application comprises the following beneficial technical effects:
1. the front mold and the rear mold are driven to rotate through the transmission mechanism, the molds rotate during injection, injection molding raw materials generate centrifugal speed and move to the outer edge of the molds, and meanwhile, new injection molding raw materials are continuously supplemented in the middle of the molds, so that the conditions that the raw materials are not uniformly distributed during injection and dead angles such as partial grooves in the molds are not completely filled are prevented, and the quality of products is improved;
2. through setting up the bobbing machine dog, the mould takes place high frequency slight amplitude vibration during the drawing of patterns, promotes product and mould separation, can not cause the damage to the product simultaneously, has improved production yields and production quality's stability.
Drawings
FIG. 1 is a top view of the overall structure of an injection molding line that facilitates demolding in accordance with embodiments of the present disclosure.
FIG. 2 is an enlarged view of a portion of a molding chamber and an injection mechanism of an injection molding line to facilitate demolding in accordance with an embodiment of the present disclosure.
FIG. 3 is an enlarged view of a portion of the pushing mechanism and the vibrating mechanism of an injection molding line to facilitate demolding in accordance with an embodiment of the present disclosure.
FIG. 4 is an enlarged view of a portion of a drive mechanism of an injection molding line to facilitate demolding in accordance with an embodiment of the present disclosure.
Description of reference numerals:
1. a front mold; 2. a back mold;
3. a forming chamber; 301. a front plate; 302. a back plate; 303. a feeding channel; 304. rotating the guide rail; 305. a first rotating groove; 306. a first connecting arm; 307. a guide rod; 308. mounting a plate; 309. a guide groove; 310. a first chute; 311. a first slide bar; 312. a third rotating groove; 313. a second connecting arm; 314. an output port; 315. second rotary groove
4. An injection mechanism; 41. an injection cavity; 42. a feed inlet; 43. a packing auger; 44. a connecting shaft; 45. a drive motor; 46. a heating chamber; 47. a heater; 48. a discharging nozzle;
5. a pushing mechanism; 51. a second chute; 52. a second slide bar; 53. a connecting plate; 54. a first electric push rod;
6. a vibration mechanism; 601. a first fixing plate; 602. fixing the rod; 603. a second fixing plate; 604. a support spring; 605. a vibration motor; 606. an eccentric wheel; 607. a column cap; 608. a first rotating bearing; 609. a connecting rod; 610. a second rotary bearing; 611. a drive arm;
7. the transmission mechanism is as follows: 71. a mounting frame; 72. a drive shaft; 73. a first drive gear; 74. a second electric push rod; 75. a second transmission gear; 76. a third transmission gear; 77. a ring gear; 78. a planetary gear;
8. a conveyor; 9. and a controller.
Detailed Description
The following description of the embodiments with reference to the drawings is provided to describe the embodiments, and the embodiments of the present application, such as the shapes and configurations of the components, the mutual positions and connection relationships of the components, the functions and working principles of the components, the manufacturing processes and the operation and use methods, etc., will be further described in detail to help those skilled in the art to more fully, accurately and deeply understand the inventive concepts and technical solutions of the present invention. For convenience of description, the directions mentioned in the present application shall be those shown in the drawings.
Referring to fig. 1-4, an injection molding line for facilitating demolding includes: the device comprises a front mould 1, a rear mould 2, a forming chamber 3, an injection mechanism 4, a pushing mechanism 5, a vibrating mechanism 6, a transmission mechanism 7, a conveyor 8 and a controller 9;
the injection mechanism 4 is arranged on the side part of the forming chamber 3, is matched with the injection mechanism 4 and outputs materials to enter the forming chamber 3; the front mould 1 is arranged at the front part of the forming chamber 3 and is rotationally connected with the forming chamber 3; the rear mold 2 is arranged in the middle of the forming chamber 3 and is rotationally connected with the forming chamber 3, and the rear mold 2 is in sliding connection with the forming chamber 3 in the horizontal direction; the pushing mechanism 5 is arranged at the rear part of the rear die 2, is matched with the rear die 2 and drives the rear die 2 to horizontally displace; the vibration mechanism 6 is arranged at the rear part of the rear die 2, is matched with the rear die 2 and drives the rear die 2 to carry out high-frequency micro-amplitude vibration and rapid demoulding; the transmission mechanism 7 is arranged at the front part of the forming chamber 3, is matched with the front die 1 and the rear die 2, and drives the front die 1 and the rear die 2 to rotate;
The forming chamber 3 comprises: the front plate 301 is arranged at the front part of the forming chamber 3 and is fixedly connected with the forming chamber 3, and the front plate 301 is vertical to the feeding direction; the rear plate 302 is arranged at the rear part of the forming chamber 3 and is fixedly connected with the forming chamber 3, and the rear plate 302 is vertical to the feeding direction; the feeding channel 303 is arranged in the middle of the front plate 301 and is communicated with the rear end of the injection mechanism 4; the rotating guide rails 304 are symmetrically arranged on the side wall of the front plate 301 and are rotatably connected with the front mold 1; first rotation grooves 305 symmetrically disposed at both sides of the rear plate 302; second rotating grooves 315 symmetrically disposed at both sides of the front plate 301; the first connecting arm 306 is symmetrically arranged in the first rotating groove 305 and the second rotating groove 315 and is respectively and rotatably connected with the first rotating groove 305 and the second rotating groove 315, the middle part of the first connecting arm 306 is fixedly connected with the side part of the front mold 1, one end of the first connecting arm is in driving connection with the transmission mechanism 7, and the other end of the first connecting arm is fixedly connected with the pushing mechanism 5; the guide rod 307 is symmetrically and obliquely arranged between the front mould 1 and the back plate 302, one end of the guide rod is fixedly connected with the front mould 1, and the other end of the guide rod is fixedly connected with the first connecting arm 306; the mounting plates 308 are symmetrically vertically arranged between the rear mold 2 and the rear plate 302, fixedly connected with the rear mold 2 and slidably connected with the guide rods 307; a guide groove 309 provided outside the mounting plate 308 and slidably connected to the guide bar 307; the first sliding chute 310 is arranged on the inner side of the mounting plate 308, and the direction of the first sliding chute 310 is consistent with the direction of the mounting plate 308; the first sliding rod 311 is arranged in the first sliding groove 310 and is connected with the first sliding groove 310 in a sliding manner; third rotation grooves 312 symmetrically disposed inside the rear plate 302; and the second connecting arm 313 is symmetrically arranged in the third rotating groove 312 and is rotationally connected with the third rotating groove 312, one end of the second connecting arm 313 is rotationally connected with the end part of the first sliding rod 311, and the other end of the second connecting arm 313 is in driving connection with the vibration mechanism 6.
An output port 314 is arranged below the forming chamber 3 and is matched with the conveyor 8 to output products.
The rear mold 2 is divided into two parts along the cross section, and the two parts are respectively arranged on the two symmetrically arranged mounting plates 308 and are respectively fixedly connected with the corresponding mounting plates 308.
The pushing mechanism 5 includes: a second slide groove 51 provided on the first link arm 306; a second slide bar 52 arranged in the second slide groove 51 and slidably connected with the second slide groove 51; the connecting plate 53 is arranged at the end part of the first connecting arm 306 and is fixedly connected with the two first connecting arms 306 respectively, and the connecting plate 53 is arranged perpendicular to the first connecting arms 306; and the first electric push rod 54 is arranged in the middle of the connecting plate 53 and is fixedly connected with the connecting plate 53, and the first electric push rod 54 is perpendicular to the connecting plate 53.
The vibration mechanism 6 includes: a first fixing plate 601 which is arranged at the front part of the vibration mechanism 6 and is fixedly connected with a second connecting arm 313 of the forming chamber 3; the fixing rods 602 are symmetrically arranged on two sides of the first fixing plate 601, are perpendicular to the first fixing plate 601, and are slidably connected with the first fixing plate 601; the second fixing plate 603 is arranged at the rear part of the vibration mechanism 6 and is fixedly connected with the fixing rod 602, two ends of the second fixing plate 603 are rotatably connected with the second sliding rod 52 of the pushing mechanism 5, and the middle part of the second fixing plate 603 is fixedly connected with the first electric push rod 54 of the pushing mechanism 5; a supporting spring 604 sleeved on the fixing rod 602, wherein one end of the supporting spring abuts against the first fixing plate 601, and the other end of the supporting spring abuts against the second fixing plate 603; a vibration motor 605, which is disposed on the first fixing plate 601, is fixedly connected to the first fixing plate 601, and is electrically connected to the controller 9, wherein the rotation axis direction of the vibration motor 605 is parallel to the plane direction of the second fixing plate 603; the eccentric wheel 606 is arranged on the vibration motor 605 and is in driving connection with the vibration motor 605; the column cap 607 is arranged on the surface of the eccentric wheel 606 and is fixedly connected with the eccentric wheel 606; a first rotating bearing 608 arranged on the column head 607 and rotatably connected with the column head 607; a connecting rod 609 horizontally arranged on the second fixing plate 603 and rotatably connected with the second fixing plate 603; the second rotating bearing 610 is arranged at one end of the connecting rod 609, which is opposite to the second fixing plate 603, and is rotatably connected with the connecting rod 609; and a transmission arm 611 arranged between the eccentric 606 and the connecting rod 609, one end of which is rotatably connected with the first rotating bearing 608, and the other end of which is rotatably connected with the second rotating bearing 610.
The injection mechanism 4 includes: an injection cavity 41; a feed port 42 provided at the left side end of the injection chamber 41 and communicating with the injection chamber 41; the packing auger 43 is arranged in the injection cavity 41 and is rotationally connected with the injection cavity 41, and the side part of the packing auger 43 is abutted against the inner wall of the injection cavity 41; the connecting shaft 44 is arranged at the end part of the packing auger 43 and is fixedly connected with the packing auger 43; the driving motor 45 is arranged outside the left side of the injection cavity 41, is in driving connection with the packing auger 43 and is electrically connected with the controller 9; a heating chamber 46 provided at a right side portion of the injection chamber 41; the heater 47 is arranged on the inner wall of the heating cavity 46 and is electrically connected with the controller 9; and the discharging nozzle 48 is arranged at the right side end of the heating cavity 46, one end of the discharging nozzle is communicated with the heating cavity 46, and the other end of the discharging nozzle is communicated with the feeding channel 303 of the forming chamber 3.
The transmission mechanism 7 includes: the mounting frame 71 is arranged on the side part of the driving motor 45 of the injection mechanism 4 and is fixedly connected with the driving motor 45; the transmission shaft 72 is arranged at the side part of the injection mechanism 4, one end of the transmission shaft is rotatably connected with the mounting frame 71, and the other end of the transmission shaft is rotatably connected with the outer wall of the forming chamber 3; the first transmission gear 73 is sleeved on the connecting shaft 44 of the injection mechanism 4 and is in driving connection with the connecting shaft 44; the second electric push rod 74 is arranged on the mounting frame 71 and fixedly connected with the mounting frame 71, and the second electric push rod 74 is perpendicular to the mounting frame 71; a second transmission gear 75, which is arranged at the end of the second electric push rod 74 and is rotationally connected with the second electric push rod 74, wherein the second transmission gear 75 is meshed with the first transmission gear 73; the third transmission gear 76 is sleeved on the transmission shaft 72, is in driving connection with the transmission shaft 72 and is meshed with the second transmission gear 75; a ring gear 77, which is arranged outside the front side of the molding chamber 3 and is fixedly connected with the first connecting arm 306; and the planetary gear 78 is sleeved on the transmission shaft 72, is in driving connection with the transmission shaft 72 and is meshed with the gear ring 77.
An operating method of an injection molding production line convenient for demolding comprises the following steps:
s1, plasticizing, namely feeding injection molding raw materials from a feeding hole 42, controlling a driving motor 45 by a controller 9 to drive a packing auger 43 to push the injection molding raw materials to a heating cavity 46, and starting a heater 47 to heat and plasticize;
s2, rotating for injection, wherein the controller 9 controls the first electric push rod 54 to extend, and the rear mold 2 is pushed to move towards the front mold 1 to an injection position and then stops; the controller 9 controls the second electric push rod 74 to extend, the second transmission gear 75 is meshed with the first transmission gear 73 and the third transmission gear 76 to drive the third transmission gear 76 and the planetary gear 78 to rotate, the gear ring 77 rotates along with the third transmission gear, so that the front mold 1 and the rear mold 2 are driven to rotate, when the space in the front mold 1 and the space in the rear mold 2 are filled with injection molding raw materials, the controller 9 controls the second electric push rod 74 to shorten, and the front mold 1 and the rear mold 2 stop rotating;
s3, vibrating and demolding, cooling and molding the injection molding raw material in the molding chamber 3, controlling the vibration motor 605 to start by the controller 9, and performing high-frequency micro-amplitude vibration on the rear mold 2 by the vibration mechanism 6; the second electric push rod 74 is controlled to shorten and the product falls from the output port 314 onto the conveyor 8 for output.
In step S2, before the second electric ram 74 is extended or shortened, a return step is performed: the controller 9 controls the driving motor 45 to rotate to an initial angle.
The working principle of the injection molding production line and the working method thereof, which are convenient for demolding, is as follows: the front mold and the rear mold are driven to rotate through the transmission mechanism, the molds rotate during injection, injection molding raw materials generate centrifugal speed and move to the outer edge of the molds, and meanwhile, new injection molding raw materials are continuously supplemented in the middle of the molds, so that the conditions that the raw materials are not uniformly distributed during injection and dead angles such as partial grooves in the molds are not completely filled are prevented, and the quality of products is improved; through setting up the bobbing machine dog, the mould takes place high frequency slight amplitude vibration during the drawing of patterns, promotes product and mould separation, can not cause the damage to the product simultaneously, has improved production yields and production quality's stability.
The present invention and its embodiments have been described in detail in the foregoing for illustrative purposes, and the present invention is not limited to the above description. Therefore, if the person skilled in the art receives the teaching, the technical scheme and the embodiments similar to the technical scheme are not creatively designed without departing from the spirit of the invention, and the invention shall fall into the protection scope of the invention.
Claims (10)
1. An injection molding production line facilitating demolding, comprising: the device comprises a front mould (1), a rear mould (2), a forming chamber (3), an injection mechanism (4), a pushing mechanism (5), a vibration mechanism (6), a transmission mechanism (7), a conveyor (8) and a controller (9);
the injection mechanism (4) is arranged on the side part of the forming chamber (3) and is matched with the injection mechanism (4) to output materials into the forming chamber (3); the front mould (1) is arranged at the front part of the forming chamber (3) and is rotationally connected with the forming chamber (3); the rear mold (2) is arranged in the middle of the forming chamber (3) and is rotationally connected with the forming chamber (3), and the rear mold (2) is in sliding connection with the forming chamber (3) in the horizontal direction; the pushing mechanism (5) is arranged at the rear part of the rear die (2) and is matched with the rear die (2) to drive the rear die (2) to horizontally displace; the vibration mechanism (6) is arranged at the rear part of the rear mould (2) and is matched with the rear mould (2) to drive the rear mould (2) to carry out high-frequency micro-amplitude vibration and rapid demoulding; the transmission mechanism (7) is arranged at the front part of the forming chamber (3) and is matched with the front die (1) and the rear die (2) to drive the front die (1) and the rear die (2) to rotate;
conveyer (8) set up forming chamber (3) below, with forming chamber (3) cooperation, the product of injection molding completion in output forming chamber (3).
2. An injection molding line to facilitate demolding as claimed in claim 1, wherein:
the forming chamber (3) comprises: the front plate (301) is arranged at the front part of the forming chamber (3) and is fixedly connected with the forming chamber (3), and the front plate (301) is vertical to the feeding direction; the rear plate (302) is arranged at the rear part of the forming chamber (3) and is fixedly connected with the forming chamber (3), and the rear plate (302) is vertical to the feeding direction; the feeding channel (303) is arranged in the middle of the front plate (301) and is communicated with the rear end of the injection mechanism (4); the rotating guide rails (304) are symmetrically arranged on the side wall of the front plate (301) and are rotationally connected with the front mould (1); first rotating grooves (305) symmetrically arranged at both sides of the rear plate (302); second rotating grooves (315) symmetrically arranged at both sides of the front plate (301); the first connecting arms (306) are symmetrically arranged in the first rotating groove (305) and the second rotating groove (315) and are respectively and rotatably connected with the first rotating groove (305) and the second rotating groove (315), the middle parts of the first connecting arms (306) are fixedly connected with the side parts of the front mold (1), one ends of the first connecting arms are in driving connection with the transmission mechanism (7), and the other ends of the first connecting arms are fixedly connected with the pushing mechanism (5); the guide rods (307) are symmetrically and obliquely arranged between the front mould (1) and the rear plate (302), one end of each guide rod is fixedly connected with the front mould (1), and the other end of each guide rod is fixedly connected with the first connecting arm (306); the mounting plates (308) are symmetrically vertically arranged between the rear mould (2) and the rear plate (302), are fixedly connected with the rear mould (2), and are in sliding connection with the guide rods (307); a guide groove (309) which is arranged outside the mounting plate (308) and is connected with the guide rod (307) in a sliding way; the first sliding chute (310) is arranged on the inner side of the mounting plate (308), and the direction of the first sliding chute (310) is consistent with that of the mounting plate (308); the first sliding rod (311) is arranged in the first sliding groove (310) and is connected with the first sliding groove (310) in a sliding manner; third rotating grooves (312) symmetrically arranged on the inner side of the rear plate (302); and the second connecting arm (313) is symmetrically arranged in the third rotating groove (312) and is rotationally connected with the third rotating groove (312), one end of the second connecting arm (313) is rotationally connected with the end part of the first sliding rod (311), and the other end of the second connecting arm is in driving connection with the vibrating mechanism (6).
3. An injection molding line facilitating demolding as claimed in claim 2, wherein:
an output port (314) is arranged below the forming chamber (3) and is matched with the conveyor (8) to output products.
4. An injection molding line to facilitate demolding as claimed in claim 2, wherein:
the rear mould (2) is divided into two parts along the section, is respectively arranged on the two symmetrically arranged mounting plates (308), and is respectively fixedly connected with the corresponding mounting plates (308).
5. An injection molding line to facilitate demolding as claimed in claim 2, wherein:
the pushing mechanism (5) comprises: a second runner (51) provided on the first connecting arm (306); the second sliding rod (52) is arranged in the second sliding groove (51) and is connected with the second sliding groove (51) in a sliding manner; the connecting plates (53) are arranged at the ends of the first connecting arms (306) and are respectively fixedly connected with the two first connecting arms (306), and the connecting plates (53) are perpendicular to the first connecting arms (306); the first electric push rod (54) is arranged in the middle of the connecting plate (53) and fixedly connected with the connecting plate (53), and the first electric push rod (54) is perpendicular to the connecting plate (53).
6. An injection molding line to facilitate demolding as claimed in claim 5, wherein:
the vibration mechanism (6) includes: the first fixing plate (601) is arranged at the front part of the vibrating mechanism (6) and is fixedly connected with a second connecting arm (313) of the forming chamber (3); the fixing rods (602) are symmetrically arranged at two sides of the first fixing plate (601), are perpendicular to the first fixing plate (601), and are in sliding connection with the first fixing plate (601); the second fixing plate (603) is arranged at the rear part of the vibration mechanism (6) and is fixedly connected with the fixing rod (602), two ends of the second fixing plate (603) are rotatably connected with the second sliding rod (52) of the pushing mechanism (5), and the middle part of the second fixing plate is fixedly connected with the first electric push rod (54) of the pushing mechanism (5); the supporting spring (604) is sleeved on the fixed rod (602), one end of the supporting spring is abutted against the first fixed plate (601), and the other end of the supporting spring is abutted against the second fixed plate (603); the vibration motor (605) is arranged on the first fixing plate (601), is fixedly connected with the first fixing plate (601), is electrically connected with the controller (9), and is parallel to the direction of the rotation axis of the vibration motor (605) and the plane direction of the second fixing plate (603); the eccentric wheel (606) is arranged on the vibration motor (605) and is in driving connection with the vibration motor (605); the column cap (607) is arranged on the surface of the eccentric wheel (606) and is fixedly connected with the eccentric wheel (606); the first rotating bearing (608) is arranged on the column head (607) and is rotationally connected with the column head (607); the connecting rod (609) is horizontally arranged on the second fixing plate (603) and is rotationally connected with the second fixing plate (603); the second rotating bearing (610) is arranged at one end, back to the second fixing plate (603), of the connecting rod (609) and is in rotating connection with the connecting rod (609); and the transmission arm (611) is arranged between the eccentric wheel (606) and the connecting rod (609), one end of the transmission arm is rotationally connected with the first rotating bearing (608), and the other end of the transmission arm is rotationally connected with the second rotating bearing (610).
7. An injection molding line to facilitate demolding as claimed in claim 2, wherein:
the injection mechanism (4) comprises: an injection cavity (41); the feeding hole (42) is arranged at the left end of the injection cavity (41) and is communicated with the injection cavity (41); the packing auger (43) is arranged in the injection cavity (41) and is rotationally connected with the injection cavity (41), and the side part of the packing auger (43) is abutted against the inner wall of the injection cavity (41); the connecting shaft (44) is arranged at the end part of the packing auger (43) and is fixedly connected with the packing auger (43); the driving motor (45) is arranged outside the left side of the injection cavity (41), is in driving connection with the packing auger (43), and is electrically connected with the controller (9); a heating chamber (46) disposed at a right side portion of the injection chamber (41); the heater (47) is arranged on the inner wall of the heating cavity (46) and is electrically connected with the controller (9); the discharging nozzle (48) is arranged at the right side end of the heating cavity (46), one end of the discharging nozzle is communicated with the heating cavity (46), and the other end of the discharging nozzle is communicated with the feeding channel (303) of the forming chamber (3).
8. An injection molding line to facilitate demolding as claimed in claim 7, wherein:
the transmission mechanism (7) comprises: the mounting frame (71) is arranged on the side part of the driving motor (45) of the injection mechanism (4) and is fixedly connected with the driving motor (45); the transmission shaft (72) is arranged at the side part of the injection mechanism (4), one end of the transmission shaft is rotatably connected with the mounting frame (71), and the other end of the transmission shaft is rotatably connected with the outer wall of the molding chamber (3); the first transmission gear (73) is sleeved on the connecting shaft (44) of the injection mechanism (4) and is in driving connection with the connecting shaft (44); the second electric push rod (74) is arranged on the mounting frame (71) and fixedly connected with the mounting frame (71), and the second electric push rod (74) is perpendicular to the mounting frame (71); the second transmission gear (75) is arranged at the end part of the second electric push rod (74) and is in rotary connection with the second electric push rod (74), and the second transmission gear (75) is meshed with the first transmission gear (73); the third transmission gear (76) is sleeved on the transmission shaft (72), is in driving connection with the transmission shaft (72) and is meshed with the second transmission gear (75); a gear ring (77) which is arranged outside the front side of the forming chamber (3) and is fixedly connected with a first connecting arm (306); and the planetary gear (78) is sleeved on the transmission shaft (72), is in driving connection with the transmission shaft (72) and is meshed with the gear ring (77).
9. A working method of an injection molding production line convenient for demolding is characterized by comprising the following steps:
s1, plasticizing, namely feeding injection molding raw materials from a feeding hole (42), controlling a driving motor (45) to drive a packing auger (43) to push the injection molding raw materials to a heating cavity (46) by a controller (9), and starting a heater (47) to heat and plasticize;
s2, rotating for injection, wherein the controller (9) controls the first electric push rod (54) to extend, and the rear mold (2) is pushed to move to the injection molding position towards the front mold (1) and then stops; the controller (9) controls the second electric push rod (74) to extend, the second transmission gear (75) is meshed with the first transmission gear (73) and the third transmission gear (76) to drive the third transmission gear (76) and the planetary gear (78) to rotate, the gear ring (77) rotates along with the third transmission gear, so that the front mold (1) and the rear mold (2) are driven to rotate, when the space in the front mold (1) and the space in the rear mold (2) are filled with injection molding raw materials, the controller (9) controls the second electric push rod (74) to shorten, and the front mold (1) and the rear mold (2) stop rotating;
s3, vibrating and demolding, cooling and molding the injection molding raw material in a molding chamber (3), controlling a vibration motor (605) to start by a controller (9), and performing high-frequency micro-amplitude vibration on the rear mold (2) by a vibration mechanism (6); the second electric push rod (74) is controlled to shorten, and the product falls into the conveyor (8) from the output port (314) and is output.
10. A method of operating an injection molding line to facilitate demolding as claimed in claim 9, wherein:
in the step S2, before the second electric push rod (74) extends or shortens, a reset process is performed: the controller (9) controls the driving motor (45) to rotate to an initial angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210906001.7A CN115648544B (en) | 2022-07-29 | 2022-07-29 | Injection molding production line convenient for demolding and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210906001.7A CN115648544B (en) | 2022-07-29 | 2022-07-29 | Injection molding production line convenient for demolding and working method thereof |
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| CN115648544A true CN115648544A (en) | 2023-01-31 |
| CN115648544B CN115648544B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210906001.7A Active CN115648544B (en) | 2022-07-29 | 2022-07-29 | Injection molding production line convenient for demolding and working method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117681396A (en) * | 2024-01-24 | 2024-03-12 | 王鹏 | Injection molding process |
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| KR19980047394A (en) * | 1996-12-14 | 1998-09-15 | 박병재 | Inside grip handle manufacturing device for car door |
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| CN117681396A (en) * | 2024-01-24 | 2024-03-12 | 王鹏 | Injection molding process |
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| CN115648544B (en) | 2024-06-14 |
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Effective date of registration: 20240522 Address after: Room 108, No. 13 Shatou Dajing Street, Chang'an Town, Dongguan City, Guangdong Province, 523000 Applicant after: Dongguan Kunteng Guangshuo Plastic Products Co.,Ltd. Country or region after: China Address before: Group 38, Zhangsha Village, Shizong Town, Tongzhou District, Nantong City, Jiangsu Province 226000 Applicant before: Nantong Boxu Technology Co.,Ltd. Country or region before: China |
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