CN108973016B - High-precision vertical injection molding machine driven by linear motor - Google Patents
High-precision vertical injection molding machine driven by linear motor Download PDFInfo
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- CN108973016B CN108973016B CN201811073137.4A CN201811073137A CN108973016B CN 108973016 B CN108973016 B CN 108973016B CN 201811073137 A CN201811073137 A CN 201811073137A CN 108973016 B CN108973016 B CN 108973016B
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- linear motor
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- cylindrical
- cylindrical linear
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 40
- 238000002347 injection Methods 0.000 claims abstract description 28
- 239000007924 injection Substances 0.000 claims abstract description 28
- 230000033001 locomotion Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
- B29C2045/1792—Machine parts driven by an electric motor, e.g. electric servomotor
- B29C2045/1793—Machine parts driven by an electric motor, e.g. electric servomotor by an electric linear motor
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a high-precision vertical injection molding machine driven by a linear motor.A screw machine barrel component is connected with a mold closing system through the linear motor and is driven by the linear motor to do vertical linear motion relative to the mold closing system through guide posts arranged on the mold closing system; the injection screw assembly is connected with the screw machine barrel assembly through a cylindrical linear motor, and is driven by the cylindrical linear motor to do vertical linear motion relative to the screw machine barrel assembly; the cylindrical linear motor in the mold closing of the mold closing system consists of a cylindrical linear motor secondary and a cylindrical linear motor primary, the cylindrical linear motor secondary is installed on the template component, the cylindrical linear motor primary is installed on the rack component, and the mold closing system is driven by the cylindrical linear motor to open and close the injection mold. The invention completes the work of die assembly, die locking, injection, pressure maintaining and die opening of the vertical injection molding machine through the cylindrical linear motor, so that the injection molding machine has high efficiency and high precision.
Description
Technical Field
The invention relates to a vertical injection molding machine, in particular to a vertical injection molding machine driven by a motor.
Background
The injection molding machines can be roughly classified into horizontal injection molding machines and vertical injection molding machines according to the structural form, and can be roughly classified into hydraulic injection molding machines, electric injection molding machines and electro-hydraulic hybrid injection molding machines according to the driving mode. Compared with a horizontal injection molding machine, the electric vertical injection molding machine has several advantages: one is that because the injection system and the mold closing system are positioned on the same vertical axis, the occupied space is much smaller than that of a horizontal injection molding machine; secondly, as the electric vertical injection molding machine adopts the motor as a drive, compared with a hydraulic system, a hydraulic oil tank, various valves and pipelines are removed, the occupied area is smaller, and the control precision is higher; thirdly, the product can be taken out through an external manipulator and can be used for forming a product with a complex structure; and fourthly, conditions are provided for automatic production, flow line production and unmanned workshops of injection molding production.
Most of the prior injection molding machines are hydraulic, the electric injection molding machine is mainly applied to a horizontal injection molding machine, and the vertical injection molding machine is less in variety. The electric injection molding machine is formed by replacing hydraulic components of a traditional injection molding machine with mechanical components such as an alternating current servo motor, a ball screw, a gear, a belt transmission and the like. During use of the injection molding machine, these components are subjected to significant loads and wear can occur. Therefore, the processing requirements and the assembly requirements of the components are high.
Disclosure of Invention
The invention provides a high-precision vertical injection molding machine driven by a linear motor, which adopts a cylindrical linear motor to replace an injection oil cylinder and a die assembly oil cylinder in the vertical injection molding machine, removes a hydraulic system, solves the problems of hydraulic oil leakage and cleaning, and has the advantages of simple structure, high response speed and guaranteed precision.
In order to achieve the purpose of the invention, the technical scheme of the invention is realized as follows:
a high-precision vertical injection molding machine driven by a linear motor comprises an injection system and a mold closing system, wherein the injection system comprises a screw machine barrel component, an injection screw component and a cylindrical linear motor, the screw machine barrel component is connected with the mold closing system through the linear motor and guided by a guide post arranged on the mold closing system, and the screw machine barrel component is driven by the linear motor to do vertical linear motion relative to the mold closing system; the injection screw assembly is connected with the screw machine barrel assembly through a cylindrical linear motor, and the injection screw assembly is driven by the cylindrical linear motor to do vertical linear motion relative to the screw machine barrel assembly; the mold closing system comprises a template assembly, a rack assembly and a mold closing cylindrical linear motor, wherein the mold closing cylindrical linear motor is composed of a cylindrical linear motor secondary and a cylindrical linear motor primary, the cylindrical linear motor secondary is installed on the template assembly, the cylindrical linear motor primary is installed on the rack assembly, and the mold closing system is driven by the mold closing cylindrical linear motor to open and close the injection mold.
Furthermore, the primary cylindrical linear motor further comprises a primary shell, a connecting plate and a linear ball bearing with a flange, wherein the linear bearing body is deep into the primary shell at one end of the primary cylindrical linear motor, the flange end of the linear bearing is connected with the primary shell through a screw, the other end of the linear bearing penetrates through a hole in the connecting plate through the screw, and the connecting plate, the linear ball bearing with the flange and the primary shell are connected together.
Further, the cylindrical linear motor comprises a linear motor secondary and a linear motor primary, the linear motor primary comprises a primary shell and a linear ball bearing with a flange, and the linear motor secondary is connected with the injection screw assembly; the primary shell of the linear motor is connected with a linear ball bearing with a flange through a screw; the primary shell of the linear motor is connected with the screw machine barrel component through threads and is connected with the linear motor through a screw.
Further, the turntable assembly is mounted on the frame assembly and is driven to rotate by a servo motor.
The invention has the beneficial effects that:
1. the invention applies the cylindrical linear motor to the vertical injection molding machine, simplifies the installation of the injection molding machine, saves the problems of leakage and cleaning of a hydraulic system, and has simple structure, high response speed of the motor and ensured control precision.
2. The cylindrical linear motor primary comprises a primary shell, a connecting plate, a linear ball bearing with a flange and one end of the primary, wherein a linear bearing body with the flange extends into the primary shell, the flange end is connected with the primary shell through a screw, the screw at the other end penetrates through a hole in the connecting plate, and the connecting plate, the linear ball bearing with the flange and the primary shell are connected. The structure enables the secondary of the linear motor to move in the linear ball bearing with the flange, avoids friction between the primary winding coil and the secondary, and ensures the linear movement precision of the secondary.
Drawings
FIG. 1 is a front view of a linear motor driven high precision vertical injection molding machine of the present invention;
FIG. 2 is a left side view of a linear motor driven high precision vertical injection molding machine of the present invention;
FIG. 3 is a schematic diagram of the primary structure of the cylindrical linear motor of the present invention;
fig. 4 is a schematic structural view of a cylindrical linear motor according to the present invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 1-4, the linear motor driven high precision vertical injection molding machine of the present invention comprises an injection system and a mold clamping system.
The injection system comprises a screw barrel component 3, an injection screw component 4 and a cylindrical linear motor 5. The cylindrical linear motor 5 includes a cylindrical linear motor secondary 21 and a cylindrical linear motor primary. The cylindrical linear motor primary comprises a primary housing 18, a flanged linear ball bearing 17 and a screw 19. The cylindrical linear motor secondary 21 is connected with the injection screw assembly 4 through a screw 20; a primary shell 18 of the cylindrical linear motor is connected with a linear ball bearing 17 with a flange through a screw 19; the primary housing 18 of the cylindrical linear motor is connected with the screw-barrel assembly 3 by screw threads and is connected with the linear motor 7 by screws, and is guided by the guide post 6, and the guide post 6 is installed on the mold clamping system.
When the injection system works, the linear motor 7 moves the whole injection system to a specified position, and then materials are injected into a mold through the cylindrical linear motor 5. When the cylindrical linear motor 5 works, the primary stage is electrified to generate a magnetic field, and the secondary stage 21 of the cylindrical linear motor is driven to be positioned radially through the linear bearing 17 and move vertically along the axis.
The die assembly system comprises a template component 2, a rotary table component 9, a rack component 1 and a die assembly cylindrical linear motor. The matched mold cylindrical linear motor is composed of a cylindrical linear motor secondary 10 and a cylindrical linear motor primary 11. The secondary cylinder type linear motor 10 is arranged on the rack assembly 1, the primary cylinder type linear motor 11 is arranged on the template assembly 2 through screws, and the separation and combination of the injection mold in the use process of the vertical injection molding machine are completed through the cylinder type linear motor.
The primary 11 of the cylindrical linear motor further comprises a primary shell 14, a connecting plate 12 and a linear ball bearing 15 with a flange.
One end of the primary 11 of the cylindrical linear motor, a flanged linear bearing 15 body is deep inside the primary housing 14, the flanged end is connected with the primary housing 14 through a screw 16, and the other end penetrates through a hole on the connecting plate 12 through a screw 13 to connect the connecting plate 12, the flanged linear ball bearing 15 and the primary housing 14.
When the die assembly cylindrical linear motor works, the primary winding 11 of the cylindrical linear motor obtains alternating current to generate a variable magnetic field, and the secondary winding 10 of the cylindrical linear motor is positioned radially through the linear ball bearing 15 and moves along the central axis to drive the template assembly 2 and the rotary table assembly 9 in the die assembly system to move in a die opening and closing mode.
The rotary table component 9 is arranged on the frame component 1 and is driven by a servo motor to rotate, the secondary 10 of the cylindrical linear motor is fixed on the frame component 1, the primary 11 of the cylindrical linear motor is fixed on the template component 2, and the mold opening and closing movement of the template component 2 and the rotary table component 9 is completed by a mold closing cylindrical linear motor.
The invention designs the high-precision vertical injection molding machine driven by the linear motor by designing the linear motor and applying the linear motor to the vertical injection molding machine. The invention mainly solves the problems of installation and cleaning of a hydraulic system of the hydraulic vertical injection molding machine and high processing cost of a common electric injection molding machine, utilizes the electromagnetic induction principle and the motion principle of a linear motor, is simple and convenient to install, occupies small area, is easy to replace and maintain, and provides a scheme for automatic production, flow line production and unmanned workshops of the vertical injection molding machine.
Claims (1)
1. The utility model provides a linear electric motor driven high accuracy vertical injection molding machine, includes injection system, compound die system, its characterized in that: the injection system comprises a screw and barrel assembly (3), an injection screw assembly (4) and a cylindrical linear motor (5), wherein the screw and barrel assembly (3) is connected with the die assembly system through the linear motor (7) and is guided by a guide post (6) arranged on the die assembly system, and the screw and barrel assembly (3) is driven by the linear motor (7) to do vertical linear motion relative to the die assembly system; the injection screw component (4) is connected with the screw machine barrel component (3) through a cylindrical linear motor (5), and the injection screw component (4) is driven by the cylindrical linear motor (5) to do vertical linear motion relative to the screw machine barrel component (3); the mold closing system comprises a template component (2), a rotary table component (9), a rack component (1) and a mold closing cylindrical linear motor, wherein the mold closing cylindrical linear motor consists of a cylindrical linear motor secondary (10) and a cylindrical linear motor primary (11), the cylindrical linear motor secondary (10) is installed on the rack component (1), the cylindrical linear motor primary (11) is installed on the template component (2), and the mold closing system is driven by the mold closing cylindrical linear motor to open and close the injection mold; the cylindrical linear motor primary (11) further comprises a primary shell (14), a connecting plate (12) and a first linear ball bearing (15) with a flange, wherein at one end of the cylindrical linear motor primary (11), the main body of the first linear ball bearing (15) with the flange extends into the primary shell (14), the flange end of the first linear ball bearing (15) with the flange is connected with the primary shell (14) through a screw, the other end of the first linear ball bearing (15) with the flange penetrates through a hole in the connecting plate (12) through the screw, and the connecting plate (12), the first linear ball bearing (15) with the flange and the primary shell (14) are connected together; the cylindrical linear motor (5) comprises a linear motor secondary (21) and a linear motor primary, the linear motor primary comprises a primary shell (18) and a linear ball bearing II (17) with a flange, and the linear motor secondary (21) is connected with the injection screw assembly (4); the primary shell (18) of the linear motor is connected with a second linear ball bearing (17) with a flange through a screw; the primary shell (18) of the linear motor is connected with the screw machine barrel assembly (3) through threads and is connected with the linear motor (7) through a screw; the turntable assembly (9) is arranged on the rack assembly (1) and is driven to rotate by a servo motor; when the injection system works, the linear motor (7) integrally moves the injection system to a specified position, and then materials are injected into a mold through the cylindrical linear motor (5); when the cylindrical linear motor (5) works, the primary linear motor is electrified to generate a magnetic field, and the secondary linear motor (21) is driven to be positioned radially through the second linear ball bearing (17) with the flange and move vertically along the axis; when the die assembly cylindrical linear motor works, the primary cylindrical linear motor (11) obtains alternating current to generate a variable magnetic field, and the secondary cylindrical linear motor (10) is radially positioned through a first linear ball bearing (15) with a flange and moves along the central axis to drive the template assembly (2) and the turntable assembly (9) in the die assembly system to move in a die opening and closing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811073137.4A CN108973016B (en) | 2018-09-14 | 2018-09-14 | High-precision vertical injection molding machine driven by linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811073137.4A CN108973016B (en) | 2018-09-14 | 2018-09-14 | High-precision vertical injection molding machine driven by linear motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108973016A CN108973016A (en) | 2018-12-11 |
| CN108973016B true CN108973016B (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811073137.4A Active CN108973016B (en) | 2018-09-14 | 2018-09-14 | High-precision vertical injection molding machine driven by linear motor |
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| CN (1) | CN108973016B (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10061329A1 (en) * | 2000-12-04 | 2002-07-18 | Mannesmann Plastics Machinery | Injection unit for an injection molding machine |
| DE102005055491B4 (en) * | 2005-11-18 | 2009-09-10 | Siemens Ag | Drive for a plastic injection molding machine |
| CN201494016U (en) * | 2009-07-24 | 2010-06-02 | 宁波弘讯科技有限公司 | Injection molding machine control system driven by linear motor |
| CN202997903U (en) * | 2012-10-31 | 2013-06-12 | 上海鸣志电器股份有限公司 | Stepping linear motor equipped with rotation-proof screw rod |
| CN203472102U (en) * | 2013-08-27 | 2014-03-12 | 罗军 | Driving device for electric injection molding machine |
| CN203632455U (en) * | 2013-09-24 | 2014-06-04 | 宁波力劲机械有限公司 | Injection molding machine motor direct-drive opening and closing die driving device |
| CN203680648U (en) * | 2013-12-23 | 2014-07-02 | 临海市锦铮机械有限公司 | Vertical double-color or multi-color rotating disc type injection molding machine |
| CN104333194A (en) * | 2014-10-31 | 2015-02-04 | 上海鸣志电器股份有限公司 | Stepping linear motor |
| CN206416411U (en) * | 2017-03-02 | 2017-08-18 | 东莞市恩泽斯精密机械科技有限公司 | A kind of disc type vertical injection molding machine |
| CN207682782U (en) * | 2017-12-22 | 2018-08-03 | 东莞市天成机械有限公司 | A kind of multi-color injection molded vertical injection molding machine |
| CN108188378A (en) * | 2018-01-31 | 2018-06-22 | 湖北环电磁装备工程技术有限公司 | The die casting machine mold locking mechanism that a kind of rimless combination type permanent-magnet linear synchronous motor directly drives |
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2018
- 2018-09-14 CN CN201811073137.4A patent/CN108973016B/en active Active
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| Publication number | Publication date |
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| CN108973016A (en) | 2018-12-11 |
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Effective date of registration: 20240102 Address after: Rooms 1-2034, Building 4, Fengjing Shopping Mall, No. 9135 Zhufeng Road, Jinshan District, Shanghai, 200000 Patentee after: SHANGHAI QINXUAN INFORMATION TECHNOLOGY Co.,Ltd. Address before: 200093 No. 516, military road, Shanghai, Yangpu District Patentee before: University of Shanghai for Science and Technology |
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Effective date of registration: 20240314 Address after: C101, No.1 Jingqiang Road, Xiuxin Community, Kengzi Street, Pingshan District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen Baisheng Precision Technology Co.,Ltd. Country or region after: China Address before: Rooms 1-2034, Building 4, Fengjing Shopping Mall, No. 9135 Zhufeng Road, Jinshan District, Shanghai, 200000 Patentee before: SHANGHAI QINXUAN INFORMATION TECHNOLOGY Co.,Ltd. Country or region before: China |
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