CN203818505U - Extrusion device in micro injection molding machine - Google Patents
Extrusion device in micro injection molding machine Download PDFInfo
- Publication number
- CN203818505U CN203818505U CN201420122021.6U CN201420122021U CN203818505U CN 203818505 U CN203818505 U CN 203818505U CN 201420122021 U CN201420122021 U CN 201420122021U CN 203818505 U CN203818505 U CN 203818505U
- Authority
- CN
- China
- Prior art keywords
- extrusion device
- cylinder
- riser
- injection
- colloidal sol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an extrusion device in a micro injection molding machine. The extrusion device comprises a supporting frame and an injection head, wherein a single screw rod which is controlled by a servo motor and is positioned in a sol cylinder is pivoted on the supporting frame; a heating coil is wound around the side wall of the sol cylinder; the injection head is communicated with the free end head of the sol cylinder. The extrusion device disclosed by the utility model can be used for ensuring that the extrusion device can be accurately controlled by adopting a single screw rod structure and a servo motor control mode. In the whole plasticization and glue injection process, the glue injection pressure, speed, positions, temperature and the like can be controlled by controlling the temperature and the like of the servo motor and the heating coil. In the glue injection process, real-time monitoring can be achieved by virtue of relevant sensors, thus achieving the functions of giving alarm in case of screw rod protection, glue injection states and glue injection problems.
Description
Technical field
The utility model relates to micro injection molding field, more precisely, relates to the extrusion device in a kind of miniature injection machine.
Background technology
Along with scientific and technical progress, product is constantly to microminiaturized future development, thereby produced the micro electro mechanical system (MEMS) technology of new century industry demand.Within 2002, the whole world creates the output value of 45,000,000,000 dollars in this field, and its major product is being played the part of key player in applications such as photoelectricity communication, image transmission, biochemical medical treatment, information storage, precision optical machineries.In order to produce the fine assembly with practical value, many emerging manufacturing technologies produce thereupon, comprise photoetching, electroforming and ejection technique (LIGA), ultraviolet light etching technique (UV), electric discharge processing (EDM), micro injection molding, accurate grinding and precision cutting etc.Wherein, micro injection molding technology advantage extensive easily to realize, low-cost production precise fine constitutional detail becomes one of study hotspot of world's manufacturing technology.
End product quality be take milligram as unit of account, finished product physical dimension be take the micro injection molding technology that micron is linear module, start from late 1980s, it is an emerging advanced manufacturing technology, with injection molding technology traditional, routine, compare, it has all proposed different requirements to aspects such as moulding material, moulding process and formers.Many existing, ripe injection molding technologies and theoretical be not also suitable for micro injection molding technology, must be in theory and practice carry out system and research and discussion thoroughly to the technical characterstic of micro injection molding technique.
At the beginning of micro injection molding technical development, there is not special injection molding machine for miniature parts manufacture.In production reality, conventionally adopt traditional in, large-scale injection machine coordinates multi-cavity mold design to realize part preparation, this is not only very high to the Runner Balance designing requirement of mould, and the moulding quality of part is also difficult to control.Therefore, need special-purpose injection (mo(u)lding) machine to adapt to part microminiaturization and high-precision requirement.
Utility model content
The utility model, in order to solve problems of the prior art, provides the extrusion device in a kind of miniature injection machine.
In order to realize above-mentioned object, the technical solution of the utility model is: the extrusion device in a kind of miniature injection machine, comprise screw bolt support, be articulated with the single screw rod that is controlled by servomotor and is arranged in colloidal sol cylinder on support frame as described above, the sidewall of described colloidal sol cylinder is wound with heater coil; Also comprise the nozzle being communicated with the free termination of colloidal sol cylinder.
Preferably, described nozzle outer wall is wound with heater coil.
Preferably, the outside of described colloidal sol cylinder is also provided with guard shield.
Preferably, on described guard shield, be also provided with louvre.
Preferably, the lower end of support frame as described above is provided with guide-track groove or the guide rail for being slidably matched with complete machine.
Preferably, the slip of described screw bolt support and complete machine is controlled by cylinder.
Preferably, the termination of described colloidal sol cylinder is also communicated with hopper.
Extrusion device of the present utility model, adopts single screw-rod structure, servomotor to control, and this extrusion device can be accurately controlled.In the process of whole plasticizing, injection, can pass through the controls such as temperature to servomotor, heater coil, realize correlation glue laminated power, speed, position, temperature etc. and control.In injection process, also can reach real-time monitoring by related sensor, realize the warning function to screw rod protection, injection state, injection problem.
Accompanying drawing explanation
Fig. 1 shows the structural representation of the utility model injection machine.
Fig. 2 shows the structural representation of the utility model extrusion device.
Fig. 3 shows the part-structure schematic diagram of extrusion device in Fig. 2.
Fig. 4 shows the structural representation of the utility model clamping apparatus.
Fig. 5 shows the structural representation of the utility model mouth of a river manipulator.
The specific embodiment
For the technical problem that the present invention is solved, the technical scheme of employing, the technique effect of obtaining should be readily appreciated that, the accompanying drawing below in conjunction with concrete, is described further the specific embodiment of the present invention.
With reference to figure 1, the invention provides a kind of miniature injection machine, extrusion device 1, its core that is injection machine, completes to the plasticizing of plastic material and by the plastic cement of plasticizing and is injected into die cavity inside; Clamping apparatus 3, its core that is injection machine, the locked mode of miniature injection machine adopts two plate locked mode modes, mainly realizes the folding between front mould, rear mold; Switch board, its inside is circuit control section, controls the operation of whole equipment, is the core control section of equipment.
Extrusion device 1 of the present invention, with reference to figure 1, Fig. 2, Fig. 3, comprise a screw bolt support 13, on described screw bolt support 13, be articulated with the single screw rod that is controlled by servomotor 11 and is arranged in colloidal sol cylinder 144, servomotor 11 is fixed on screw bolt support 13, by belt, power is input on single screw rod, single screw rod is rotated in colloidal sol cylinder 144, thereby drive material to advance.The outer wall of described colloidal sol cylinder 144 is wound with heater coil, in a concrete embodiment of the present invention, is provided with two heater coils, is respectively the first heater coil 142, the second heater coil 143; Single screw rod rotation is advanced plastic grains in the colloidal sol cylinder of high temperature, and plastifies in the process of advancing.The free end of colloidal sol cylinder 144 is also communicated with a nozzle 140, and the material after plasticizing is incident upon in the die cavity of mould from this nozzle 140, to complete the injection moulding of product.The present invention adopts single screw-rod structure, servomotor to control, and this extrusion device can be accurately controlled.
In the process of whole plasticizing, injection, can pass through the controls such as temperature to servomotor, heater coil, realize correlation glue laminated power, speed, position, temperature etc. and control.In injection process, also can reach real-time monitoring by related sensor, realize the warning function to screw rod protection, injection state, injection problem.
In a preferred embodiment of the present invention, described nozzle 140 outer walls are also wound with heater coil, are designated as the 3rd heater coil 141.Certainly, the outside of colloidal sol cylinder 144 also can be provided with guard shield 14, on guard shield 14, also can be provided with louvre etc.
In order to control advancing of this extrusion device 1, the lower end of described screw bolt support 13 is provided with guide-track groove or the guide rail for being slidably matched with complete machine substrate.By being slidably matched, can realize moving ahead, retreating of extrusion device 1, to make the injection port docking, separated of nozzle 140 in extrusion device 1 and mould.
In a specific embodiment of the present invention, adopt cylinder 12 to control advancing of screw bolt support 13, when installing, cylinder 12 is fixed on substrate, and its output shaft and screw bolt support 13 link together.In the stroke of a promotion of cylinder 12, can make nozzle 140 accurately and the injection port of mould is docking together.
Extrusion device 1 of the present invention is for the ease of material loading, termination at described colloidal sol cylinder 144 is also communicated with hopper 10, plastic grains is put into wherein, the lower end of this hopper 10 also can arrange adjustment sheet, to adjust the amount of blanking, this belongs to the state of the art, at this, its structure is no longer illustrated.
Clamping apparatus 3 of the present invention please be participated in Fig. 1, Fig. 4, comprise and being fixed on substrate and for fixing the first riser 32 of front mould 38, and for fixing the second riser 31 of rear mold 37, the first riser 32 and the substantially parallel layout of the second riser 31, front mould 38 is arranged on the first riser 32, and rear mold 37 is arranged on the second riser 31.The first riser 32 is also provided with through hole 320, so that the nozzle of extrusion device 140 penetrates with the injection port of front mould, docks.In the present invention, select front mould as rest point, make the second riser 31 reaches or retreat to realize closed or separated between front mould 38, rear mold 37.In the present invention, described the second riser 31 connects the ball-screw 34 that servomotor 341 drives, and described ball-screw 34, under the driving of servomotor 341, promotes the second riser 31 and advances, and makes rear mold 37 make mould assembling action.By servomotor 341 can accurately control matched moulds, when going wrong, servomotor 341 can send the matched moulds coherent signal that waits not in place.
The mounting means of ball-screw 34 of the present invention can adopt structure well-known to those skilled in the art, in the present invention, the 3rd riser 35 being fixed on substrate is set, and itself and the first riser 32, the second riser 31 are arranged in parallel.At the 3rd riser 35, can pass through mount pad pivot joint one nut 340, this nut 340 and ball-screw 34 threaded engagement, servomotor 341 is arranged on substrate below, and by belt drives nut rotation.One end of ball-screw 34 is connecting the second riser 31, when servomotor 341 drive nuts rotate, drives ball-screw 34 to advance, and finally makes the second riser 31 move, and makes the action of matched moulds.In the process of locked mode, can to locked mode pressure, position, speed, control by sensor, and feed back to the function that internal system reaches the real-time monitoring of system operation.The functions such as finishing equipment running status, operating personnel's personal safety protection, mold safety.
Technological requirement in the time of can designing locked mode easily.And the feedback information by servomotor reaches the function of real-time monitoring and protection operator safety, protection mould safety to injection moulding machine mode-locking.
In view of the second riser 31 need to move with respect to the first riser 32, can make by the mode of guide rail the second riser 31 and substantially be slidably matched, for the movement of the second riser 31 provides guiding.In an embodiment of the present invention, main by being arranged on the lead 36 between the first riser 32, the 3rd riser 35, the first riser 32, the 3rd riser 35 are fixed respectively in the two ends of lead 36, the second riser 31 between the first riser 32, the 3rd riser 35 is slidably matched with these lead 36 guiding, thereby the second riser 31 is moved along lead 36.
Four leads 36 are arranged in parallel in respectively four jiaos of the first riser 32, the 3rd riser 35, and pass respectively four angles of the second riser 31, and these four leads 36 stably support the second riser 31, and realize the slip of the second riser 31.
After moulding, when front mould 38, rear mold 37 are separated, for the ease of products formed is separated from mould, also need to arrange thimble cylinder.Concrete structure is as follows: described ball-screw 34 terminations link together by a connecting seat 33 and the second riser 31, thimble cylinder 39 is selected to be arranged on Connection Block 33 or on the second riser 31, and arranging of Connection Block 33 is mainly for fear of interfering with each other between ball-screw 34, thimble cylinder 39, the second riser 31.
After moulding, when front mould 38, rear mold 37 are separated, can leave the mouth of a river, in order to solve the problem at the mouth of a river, the present invention also provides mouth of a river manipulator 2, and with reference to figure 1, Fig. 5, mouth of a river manipulator 2 is arranged on the position of contiguous the first riser 32, it comprises stand 21, this stand 21 can be arranged on substrate, also can be arranged on the first riser 21, and described stand 21 is provided with servomotor 20, also be provided with the cantilever 23 being connected with servomotor 20 output shafts, the free end of described cantilever 23 is provided with gripper cylinder 22.After die sinking, servomotor 20 drives cantilever 23 to rotate, and makes gripper cylinder 22 aim at the mouth of a river, and drives gripper cylinder 22 that the mouth of a river is clamped, and now servomotor 20 revolutions, clamp the mouth of a river.
In order to control the travel path of gripper cylinder 22, described cantilever 23 can comprise for connecting the first cantilever of servomotor 20 output shafts for L shaped, and for connecting the second cantilever of gripper cylinder 22.In a specific embodiment of the present invention, preferably adopt C shape structure, structure that can more preferred injection machine of the present invention.
Injection machine of the present invention is in work, and when servomotor 341 drives, roller screw 34 advances and promotes the second riser and move towards the first riser, and time rear mold and front mould matched moulds, carry out locked mode action.After completing, the cylinder 12 lead-screw bracing frames 13 of extrusion device move, and nozzle 140 is docked with the injection port of front mould, and servomotor 11 drives single bolt rotary, make plastic grains plasticizing, and colloidal sol is incident upon in mould, carry out moulding.Afterwards, cylinder 12 drives extrusion device to exit, and driven by servomotor the second riser retreats, after front mould is separated with rear mold, thimble cylinder ejects products formed, and mouth of a river manipulator control cantilever proceeds to, by gripper cylinder, the mouth of a river is taken out, carry out afterwards the moulding of next circulation.
Miniature injection machine injection moulding of the present invention can relatively easily realize the design to mold runner balance, and the moulding quality of part is just easily controlled; And it is little, low in power consumption that it takes up an area space.
The present invention is by preferred embodiment having carried out detailed explanation.Yet, by studying carefully above, to the variation of each embodiment with to increase be also that one of ordinary skill in the art institute is apparent.Being intended that all these variations and increasing of applicant all dropped in the scope that the claims in the present invention protect.
Similar numbering refers to similar element in the whole text.For clarity, may there is in the accompanying drawings the situation that some line, layer, element, parts or feature are amplified.
Term used herein is only for to be illustrated specific embodiment, and it is not intended to limit the invention.Unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) are all identical with one of ordinary skill in the art's of the present invention understanding.
Claims (7)
1. the extrusion device in miniature injection machine, comprises screw bolt support, it is characterized in that: on described screw bolt support, be articulated with the single screw rod that is controlled by servomotor and is arranged in colloidal sol cylinder, the sidewall of described colloidal sol cylinder is wound with heater coil; Also comprise the nozzle being communicated with the free termination of colloidal sol cylinder.
2. extrusion device according to claim 1, is characterized in that: described nozzle outer wall is wound with heater coil.
3. extrusion device according to claim 1, is characterized in that: the outside of described colloidal sol cylinder is also provided with guard shield.
4. extrusion device according to claim 3, is characterized in that: on described guard shield, be also provided with louvre.
5. extrusion device according to claim 1, is characterized in that: the lower end of described screw bolt support is provided with guide-track groove or the guide rail for being slidably matched with complete machine.
6. extrusion device according to claim 5, is characterized in that: the slip of described screw bolt support and frame substrate is controlled by cylinder.
7. extrusion device according to claim 1, is characterized in that: the termination of described colloidal sol cylinder is also communicated with hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420122021.6U CN203818505U (en) | 2014-03-18 | 2014-03-18 | Extrusion device in micro injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420122021.6U CN203818505U (en) | 2014-03-18 | 2014-03-18 | Extrusion device in micro injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203818505U true CN203818505U (en) | 2014-09-10 |
Family
ID=51474047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420122021.6U Expired - Fee Related CN203818505U (en) | 2014-03-18 | 2014-03-18 | Extrusion device in micro injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203818505U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691950A (en) * | 2016-03-30 | 2016-06-22 | 苏州倍特罗智能科技有限公司 | Movable discharging type pallet bin |
| CN106142431A (en) * | 2015-03-16 | 2016-11-23 | 深圳市深格兰机电科技有限公司 | Miniature electric injection machine |
-
2014
- 2014-03-18 CN CN201420122021.6U patent/CN203818505U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106142431A (en) * | 2015-03-16 | 2016-11-23 | 深圳市深格兰机电科技有限公司 | Miniature electric injection machine |
| CN105691950A (en) * | 2016-03-30 | 2016-06-22 | 苏州倍特罗智能科技有限公司 | Movable discharging type pallet bin |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3000577B1 (en) | Injection molding machine for bimaterial molding and methods of controlling the same | |
| CA2644229C (en) | Integrated system for producing composites | |
| CN101961910B (en) | Method of adjusting mold thickness of toggle-type mold clamping device | |
| WO2011070608A1 (en) | Injection molding machine for two-material molding | |
| CN103862643A (en) | Micro injection molding machine | |
| CN203818505U (en) | Extrusion device in micro injection molding machine | |
| CN104859110A (en) | Injection mold | |
| CN112936720A (en) | Plastic mould shaping extrusion equipment | |
| CN105109041B (en) | A kind of 3D printer of interchangeable nozzle printing | |
| KR20100006308A (en) | Injection molding apparatus with screw under-cut treatment | |
| CN102241112A (en) | Injection moulding die for light guide plate | |
| JP2018144398A (en) | Injection molding machine | |
| CN203765971U (en) | Micro injection molding machine | |
| CN203919607U (en) | A kind of manipulator of miniature injection machine | |
| CN204278428U (en) | Clamping apparatus in a kind of miniature injection machine | |
| CN104309083B (en) | The injection moulding device containing rack-and-pinion is adopted to carry out the method for matched moulds die sinking | |
| CN103252873A (en) | Injection-molding servo automatic tooth-twisting system | |
| CN214324082U (en) | Injection device and injection molding machine | |
| CN204844723U (en) | Injection mould | |
| CN212498839U (en) | Injection molding machine with high injection repetition precision | |
| JP4425691B2 (en) | Mold apparatus for injection molding machine and injection molding method | |
| CN206780925U (en) | A kind of full-automatic vertical compression three-plate type Clamping System of micro-injection molding machine | |
| CN104441512A (en) | Injection mould closing and opening device containing gear racks and rolling wheels | |
| CN104309082B (en) | A kind of injection mold apparatus matched moulds die-sinking device of tightness adjustable | |
| CN110653990B (en) | Injection molding machine and injection molding process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20160318 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |