CN102794868A - Color mixing injection device - Google Patents
Color mixing injection device Download PDFInfo
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- CN102794868A CN102794868A CN201210309429XA CN201210309429A CN102794868A CN 102794868 A CN102794868 A CN 102794868A CN 201210309429X A CN201210309429X A CN 201210309429XA CN 201210309429 A CN201210309429 A CN 201210309429A CN 102794868 A CN102794868 A CN 102794868A
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Abstract
The invention relates to a color mixing injection device which is characterized by comprising a main injection system, an auxiliary injection system, a support stud and a bracket, wherein the main injection system is installed on the bracket, one end of the support stud is in rotary connection with the main injection system, the other end of the support stud is in sliding connection with the auxiliary injection system, the main injection system and the auxiliary injection system are mutually independent, and the front end of an auxiliary material barrel in the auxiliary injection system is in unidirection communication with the front end of a main material barrel in the main injection system. With the adoption of the color mixing injection device, the injection control accuracy is high, the production efficiency is high, a structure is simple, and installation is convenient.
Description
Technical field
The present invention relates to a kind of injection device of plastic-injection moulding machine, be specifically related to a kind of colour mixture injection device, be used to produce plastic products with lateral separation colour mixture effect.
Background technology
Colour mixture injection device of the prior art generally all is same altogether injecting systems.
The patent No. is 200620101766.X; Patent name discloses a kind of structure in the Chinese patent of " the shared injection moulding die head of interlayer colour mixture "; It comprises the little machine barrel of nozzle, band dual channel, the machine barrel of band dual channel, the flow divider valve core of band runner; Nozzle is fixed on the little front barrel, and little front barrel is fixed on the machine barrel, and flow divider valve core places in nozzle and the little front barrel; And form a runner with nozzle; A runner of flow divider valve core inner flow passage and little front barrel and a runner of front barrel link to each other, and the runner that described flow divider valve core and nozzle form communicates with another runner of little machine barrel with another runner of machine barrel, respectively establishes a check valve in two inner flow passages of described little machine barrel, machine barrel formation.Injection moulding adds man-hour, adopts two kinds of different plastics, through flow divider valve core in the machine barrel runner and check valve, makes two kinds of raw materials realize sequential injection or alternately injection, the final colour mixture plastic products that have the plastic products of interlayer or have special decorative pattern that form.The defective of technique scheme and deficiency are that two kinds of plastics are not to inject simultaneously, can only produce the plastic product of vitta longitudinal separation, and can not produce the laterally spaced plastic product of vitta.
The patent No. is 200720060986.7; Patent name discloses a kind of injection nozzle structure in the Chinese patent of " injection machine colour mixture nozzle ", includes independently two separately rubber melting cylinders, connects the connecting plate of two rubber melting cylinders; Be installed on the adpting flange on the connecting plate; And be installed on the nozzle on the adpting flange, it is characterized in that: in adpting flange, be equipped with two check (non-return) valves, be equipped with branch glue bar between adpting flange and the nozzle.Adopt two check (non-return) valves to control two kinds of different plastics in the technique scheme, its structure function is that 200620101766.X is consistent with the patent No., thus also be the plastic product that can only produce vitta longitudinal separation, and can not produce the laterally spaced plastic product of vitta.
The patent No. is 200820170090.9; Patent name discloses a kind of nozzle arrangements in the Chinese patent of " color mixing nozzle of injection machine ", comprises nozzle body, nozzle filter core, small nozzle, and described nozzle body is threaded with small nozzle; The inner cavity that forms; The nozzle filter core is installed in this cavity, and nozzle filter core two ends and nozzle body and the small nozzle endoporus conical surface are fitted, and the sprue at axial some intervals is arranged on the nozzle filter core; Sprue one end is logical, an end seals and seal and be communicated with the interval is provided with, and its adjacent sprue communicates through many small flow channels of circumferencial direction.Technique scheme is to strengthen the effect of colour mixture, its production be random colour mixture plastic products.
Summary of the invention
Technical problem to be solved by this invention is to overcome deficiency of the prior art and a kind of control accuracy height, colour mixture injection device that production efficiency is high, simple in structure, easy for installation injected is provided.
The technical scheme that the present invention solves the problems of the technologies described above employing is: this colour mixture injection device; It is characterized in that: comprise main injecting systems, secondary injecting systems, supporting studs and carriage; Described main injecting systems is installed on the carriage, and supporting studs one end and main injecting systems are rotationally connected, and the other end and secondary injecting systems are slidingly connected; Main injecting systems and secondary injecting systems are independent mutually, the front end unilaterally connected of major ingredient tube in secondary barrel front end and the main injecting systems in the secondary injecting systems.Secondary injecting systems is installed on main injecting systems top among the present invention; Also can about install or oblique installation; Adopt two injecting systems independently mutually, the control of one-way flow between the two, its advantage and benefit are independently to plastify two kinds of plastics; If can only not produce with main injecting systems when not needing colour mixture in addition, flexibility is big.This design and installation is convenient, can eliminate mismachining tolerance.
Main injecting systems of the present invention comprises thrust bearing assembly, injecting assembly, whole assembly and the main plasticizing assembly of moving; Thrust bearing assembly and injecting assembly all are arranged on the carriage; The whole assembly that moves comprises and wholely moves oil cylinder, connecting rod and be connected base that connecting rod one end is arranged on the front template, the other end with put in order move oil cylinder piston rod with being threaded; Be connected at the bottom of connecting base and putting in order the oil cylinder that moves oil cylinder; Connect base and be arranged on the injecting assembly, main plasticizing assembly one end is arranged on the front template, and the other end passes injecting assembly and is arranged on the thrust bearing assembly.When the whole oil cylinder length of moving need adjust the time, can pass through the rotating piston bar, move the oil cylinder total length and adjust putting in order thereby regulate the length that is threaded.The whole effect that moves oil cylinder is that the whole injection member of pulling moves, and when injection, lets nozzle and mould touch, and lets molten plastic get into mould fully.The advantage of said structure and benefit are when assembling, to eliminate mismachining tolerance, in addition can be according to client's needs, during appropriate change screw cylinder length, can adjust connecting thread, and change the change that the whole total length that moves assembly adapts to screw cylinder, promptly increase versatility.
Secondary injecting systems of the present invention comprises preformed assembly, secondary injecting assembly, secondary plasticizing assembly and interflow assembly; The preformed assembly is arranged on an end of secondary injecting assembly; Adopt anti-saliva oil cylinder in the secondary injecting assembly; The other end of secondary injecting assembly is provided with secondary plasticizing assembly, and the front end of secondary plasticizing assembly is connected with main injecting systems through the interflow assembly.Secondary injecting systems is used to plastify the plastics of little injection volume, and plastics are injected in the major ingredient tube.The effect of anti-saliva oil cylinder is in plasticizing process, to produce back pressure, lets plastics effectively plastify, and compacting.The advantage of said structure is to let the plastics of little injection volume plastify separately, and simple in structure, is convenient to assembling.
Main plasticizing assembly of the present invention comprises barrel hold-down nut, setscrew nut, alignment pin, valve seat, sealing shroud, driving screw, preceding barrel, nozzle, major ingredient tube, screw rod positioning sleeve and heating collar; Nozzle and preceding barrel are with being threaded; Preceding barrel is installed on the major ingredient tube, and it is inner that driving screw is arranged on the major ingredient tube, and some heating collars are equipped with in major ingredient tube inside; Valve seat is fixed on major ingredient tube front end; Valve seat is positioned at the homogenizing zone of driving screw, and the inner surface of valve seat has a hopper excessively, on the major ingredient tube, is provided with a plurality of charging holes of uniform size with the corresponding position of mistake hopper; The quantity of colour mixture striped is consistent on the quantity of charging hole and the final finished, crosses the hopper both sides at valve seat and is provided with many relief grooves.In order making the molten plastic that produces in the secondary injecting systems to be got into main injecting systems smoothly, to have hopper in valve seat inside.The quantity of charging hole has determined the striped quantity of colour mixture plastics.And when plastics are injected,, thereby solve the problem of leaking because the pressure effect possibly cause plastics and leak that the effect of relief groove is the pressure that bears that reduces plastics.
Major ingredient tube of the present invention is provided with dowel hole and screw thread, and valve seat is fixed in the dowel hole through alignment pin, and is respectively arranged with setscrew nut and sealing shroud on the valve seat both sides.For valve seat is better located, the major ingredient tube is provided with dowel hole and screw thread, with alignment pin valve seat can not be rotated along major ingredient tube circular arc.
The surface of setscrew nut of the present invention, valve seat, sealing shroud is provided with heating collar, and the sealing shroud set inside has relief groove.Heating collar is set is in order to plastics heat to be provided, to make plastics, be the pressure that bears that reduces plastics equally in the effect of sealing shroud set inside relief groove, thereby solve the problem of leaking from the solid-state molten state that converts into.
Secondary injecting assembly of the present invention comprises oil cylinder cover, piston, turning cylinder, injection cylinder seat, bearing gland, anti-saliva oil cylinder; Anti-saliva oil cylinder is installed on the earrings of injection cylinder seat symmetry; Injection cylinder seat two bottom sides is symmetrically arranged with elongated slot; About supporting studs is set, an end is slidingly arranged in the elongated slot and through last lower nut location.Be provided with piston in the anti-saliva oil cylinder, internal piston is installed turning cylinder, and piston and turning cylinder are located with bearing, the bearing at turning cylinder two ends with shaft block ring and bearing gland with bearing shaft to positioning, piston is connected with the motor seat of preformed assembly., injection cylinder seat two bottom sides is symmetrically arranged with elongated slot, through with the cooperating of supporting studs, secondary injecting systems can be adjusted height and front and back position up and down as required.
Interflow of the present invention assembly comprises punishment in advance joint, check valve and heating collar; Punishment in advance joint inside has the runner of perforation; Punishment in advance joint one end is connected with the secondary barrel of secondary plasticizing assembly, and the other end is connected with the main valve seat that plastifies in the assembly, and the inlet of runner is communicated with secondary barrel; The exit of runner is provided with a check valve, at the punishment in advance joint surface heating collar is installed.When secondary injecting systems is worked; Molten plastic backs down check valve and gets in the main injecting systems; When main injecting systems when doing action of injection, molten plastic is injected from major ingredient tube charging aperture in the runner of valve seat, promote check valve and contact with the punishment in advance inner nosepiece wall; And play closure function, make molten plastic can not be expelled to secondary barrel.
Check valve of the present invention is spherical, and its diameter is greater than the hopper diameter excessively in flow diameter and the valve seat.Mainly be for assurance check valve under the effect of injection pressure can move up and down freely, thereby guarantee closing passage in needs.
The present invention compared with prior art has the following advantages: the present invention is scientific and reasonable for structure, can use flexibly according to the demands of different of converted products.Process different plastics of the present invention is distinguished preformed, and coloured plastics are injected in the major ingredient tube, converges at the homogenizing end, with driving screw mixed plastic is injected mould then, produces the laterally spaced plastic product of vitta.Vitta of the present invention lateral separation is meant that the vitta orientation is identical with the plastics feedstock direction.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is an A-A cutaway view among Fig. 1.
Fig. 3 is a B place partial enlarged drawing among Fig. 1.
Fig. 4 is a plastic products color sketch map of the present invention.
The specific embodiment
Referring to Fig. 1 ~ Fig. 3, the present invention comprises main injecting systems I, secondary injecting systems II, supporting studs 9 and carriage 29.Main injecting systems I comprise thrust bearing assembly 27, injecting assembly 1., whole move assembly 2. with main plasticizing assembly 3., secondary injecting systems II comprise the preformed assembly 4., secondary injecting assembly 5., secondary plasticizing assembly 6., the interflow assembly 7..Main injecting systems I is installed on the carriage 29 in the present embodiment, and secondary injecting systems II is installed on the main injecting systems I.In addition, main injecting systems I and secondary injecting systems II also can about install or oblique installation.
Secondary injecting assembly injection cylinder seat 6 two bottom sides 5. are symmetrically arranged with elongated slot; Supporting studs 9 one ends are slidingly arranged in the elongated slot and through last lower nut and locate; Be connected with bearing pin between the injection seat 24 of supporting studs 9 other ends and main injecting systems I, therefore secondary injecting systems II can be adjusted height and front and back position up and down as required.1. the injecting assembly of I is connected with the piston rod of thrust bearing assembly 27 usefulness injection cylinders 25 on the main injecting systems, can let thrust bearing assembly 27 promote driving screw 20 when making injection.Whole move assembly connecting rod 31 2. and is connected, and connection base 30 and injection seat 24 usefulness hexagon socket cap head screws are fixed with front template 33.Main plasticizing assembly major ingredient tube 23 3. passes the installing hole in the middle of the injection seat 24; And fix with barrel hold-down nut 8; Main plasticizing assembly driving screw 20 shanks and thrust bearing assembly 27 built-in apical axis are 3. fixed with screw rod positioning sleeve 26, when main motor 28 rotates, can drive driving screw 20 and rotate.The valve seat 18 that is installed on the major ingredient tube 23 is connected with the interior hexagonal socket cap of punishment in advance joint 14 usefulness of secondary injecting systems, and a check valve 17 is set between valve seat 18 and punishment in advance joint 14, in punishment in advance joint 14 mounted on surface heating collar is arranged.Punishment in advance joint 14 other ends are connected with the secondary barrel 10 of secondary plasticizing assembly; Secondary barrel 10 passes the barrel installing hole of injection cylinder seat 6; With barrel hold-down nut 8 both are fixed; Sub-screw 11 shanks are connected with secondary injecting assembly turning cylinder 5 5., guarantee that turning cylinder 5 can drive sub-screw 11 when rotating and rotate together.Secondary injecting assembly piston 4 5. is connected with preformed assembly motor seat 2 usefulness hexagon socket cap head screws 4., and the axle of the flat key hole of turning cylinder 5 and motor 1 is connected.
Action specification: the charge door a input particle plastics of main injecting systems, motor 28 starts, and the apical axis in the thrust bearing assembly 27 rotates; Promptly driving driving screw 20 rotates; The particle plastics rotate under the drive of driving screw 20, under the effect of injection cylinder back pressure, are transported to major ingredient tube 23 front ends; Simultaneously the particle plastics have carried out in rotational conveyance having become molten condition gradually under the heat effect of heating collar 12 of shear action and major ingredient tube 20 outer surfaces simultaneously.The particle plastics of the different colours of the charge door b of secondary adapted to injection system input are simultaneously started by motor 1 equally, drive turning cylinder 5 and rotate; Promptly drive sub-screw 11 and rotate, the particle plastics rotate under the drive of sub-screw 11, under the back pressure effect of anti-absurd fantastic oil cylinder 32; Secondary barrel 10 front ends are delivered in input, and the particle plastics have carried out in rotational conveyance having become molten condition gradually under the heat effect of heating collar of shear action and secondary barrel 10 outer surfaces simultaneously simultaneously; Sub-screw 11 is under the effect of secondary injection cylinder assembly then; Piston 4 moves axially, and drives sub-screw 11 actions, and molten plastic is injected in major ingredient tube 23 front ends; Because the major ingredient tube is provided with and is evenly equipped with charging hole 23-1 on 23 circumferencial directions; The size of each charging hole 23-1 is consistent, and the angle between adjacent two charging hole 23-1 is identical, and the plastics that therefore inject in the major ingredient tube 23 also are the molten plastic outsides that is evenly arranged in the main injecting systems.Injection cylinder 25 action then, its piston rod promote 27 actions of thrust bearing assembly, promptly drive driving screw 20 and promote in the major ingredient tubes 23 plastics to be expelled in the mould, and generations need the colour mixture effect.Because main injecting systems I is when doing action of injection, molten plastic is injected from major ingredient tube 23 charging apertures in the runner of valve seat 18, promote not contact in check valve 17 and the punishment in advance joint 14, and play closure function, make molten plastic can not be expelled to secondary barrel 10.And molten plastic is injected the process of mould in main injecting systems I, and can produce an injection force, be adjacent to the charging aperture of mould all the time for making nozzle 22, be unlikely to produce and leak material, wholely move the pressure that oil cylinder 13 need keep all the time and injection force is balanced.
Referring to Fig. 4, when main injecting systems I and secondary injecting systems II are all participated under the situation of production, the vitta c of two kinds of colors and d lateral separation in the final plastic products, i.e. vitta orientation is identical with the plastics feedstock direction.
Above content described in this specification of the present invention only is to illustrate what structure of the present invention was done.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; Only otherwise depart from structure of the present invention or surmount the defined scope of these claims, all should belong to protection scope of the present invention.
Claims (9)
1. colour mixture injection device; It is characterized in that: comprise main injecting systems, secondary injecting systems, supporting studs and carriage; Described main injecting systems is installed on the carriage, and supporting studs one end and main injecting systems are rotationally connected, and the other end and secondary injecting systems are slidingly connected; Main injecting systems and secondary injecting systems are independent mutually, the front end unilaterally connected of major ingredient tube in secondary barrel front end and the main injecting systems in the secondary injecting systems.
2. colour mixture injection device according to claim 1; It is characterized in that: described main injecting systems comprises thrust bearing assembly, injecting assembly, whole assembly and the main plasticizing assembly of moving, and thrust bearing assembly and injecting assembly all are arranged on the carriage, and the whole assembly that moves comprises putting in order and moves oil cylinder, connecting rod and be connected base; Connecting rod one end is arranged on the front template; The other end and the whole piston rod that moves oil cylinder are connected at the bottom of base and putting in order the oil cylinder that moves oil cylinder with being threaded, and the connection base is arranged on the injecting assembly; Main plasticizing assembly one end is arranged on the front template, and the other end passes injecting assembly and is arranged on the thrust bearing assembly.
3. colour mixture injection device according to claim 1; It is characterized in that: described secondary injecting systems comprises preformed assembly, secondary injecting assembly, secondary plasticizing assembly and interflow assembly; The preformed assembly is arranged on an end of secondary injecting assembly; Adopt anti-saliva oil cylinder in the secondary injecting assembly, the other end of secondary injecting assembly is provided with secondary plasticizing assembly, and the front end of secondary plasticizing assembly is connected with main injecting systems through the interflow assembly.
4. colour mixture injection device according to claim 2; It is characterized in that: described main plasticizing assembly comprises barrel hold-down nut, setscrew nut, alignment pin, valve seat, sealing shroud, driving screw, preceding barrel, nozzle, major ingredient tube, screw rod positioning sleeve and heating collar, and nozzle and preceding barrel are with being threaded, and preceding barrel is installed on the major ingredient tube; It is inner that driving screw is arranged on the major ingredient tube; Some heating collars are equipped with in major ingredient tube inside, and valve seat is fixed on major ingredient tube front end, and valve seat is positioned at the homogenizing zone of driving screw; The inner surface of valve seat has one and crosses hopper; On the major ingredient tube, be provided with a plurality of charging holes of uniform size with crossing the corresponding position of hopper, the quantity of colour mixture striped is consistent on the quantity of charging hole and the final finished, crosses the hopper both sides at valve seat and is provided with many relief grooves.
5. colour mixture injection device according to claim 4 is characterized in that: described major ingredient tube is provided with dowel hole and screw thread, and valve seat is fixed in the dowel hole through alignment pin, and is respectively arranged with setscrew nut and sealing shroud on the valve seat both sides.
6. colour mixture injection device according to claim 5 is characterized in that: the surface of described setscrew nut, valve seat, sealing shroud is provided with heating collar, and the sealing shroud set inside has relief groove.
7. colour mixture injection device according to claim 3; It is characterized in that: described secondary injecting assembly comprises oil cylinder cover, piston, turning cylinder, injection cylinder seat, bearing gland, anti-saliva oil cylinder, and anti-saliva oil cylinder is installed on the earrings of injection cylinder seat symmetry, and injection cylinder seat two bottom sides is symmetrically arranged with elongated slot; Be provided with totally two about supporting studs; Supporting studs one end is slidingly arranged in the elongated slot and through last lower nut location, is rotationally connected between the injection seat of the supporting studs other end and injecting assembly, is provided with piston in the anti-saliva oil cylinder; Internal piston is installed turning cylinder; Piston and turning cylinder are located with bearing, the bearing at turning cylinder two ends with shaft block ring and bearing gland with bearing shaft to positioning, piston is connected with the motor seat of preformed assembly.
8. colour mixture injection device according to claim 3; It is characterized in that: described interflow assembly comprises punishment in advance joint, check valve and heating collar, and punishment in advance joint inside has the runner of perforation, and punishment in advance joint one end is connected with the secondary barrel of secondary plasticizing assembly; The other end is connected with the main valve seat that plastifies in the assembly; The inlet of runner is communicated with secondary barrel, and the exit of runner is provided with a check valve, at the punishment in advance joint surface heating collar is installed.
9. colour mixture injection device according to claim 8 is characterized in that: described check valve is spherical, and its diameter is greater than the hopper diameter excessively in flow diameter and the valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210309429.XA CN102794868B (en) | 2012-08-28 | 2012-08-28 | Color mixing injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210309429.XA CN102794868B (en) | 2012-08-28 | 2012-08-28 | Color mixing injection device |
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| Publication Number | Publication Date |
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| CN102794868A true CN102794868A (en) | 2012-11-28 |
| CN102794868B CN102794868B (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210309429.XA Active CN102794868B (en) | 2012-08-28 | 2012-08-28 | Color mixing injection device |
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| Country | Link |
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| CN (1) | CN102794868B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107756723A (en) * | 2016-08-22 | 2018-03-06 | 上海光塑机械制造有限公司 | A kind of blending double-color Backpack type injection mechanism |
| CN109760266A (en) * | 2018-12-29 | 2019-05-17 | 宁波长飞亚塑料机械制造有限公司 | A kind of R type electric injection rotary shaft double coloured plastic injection machine |
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| CN2227558Y (en) * | 1995-04-01 | 1996-05-22 | 王振保 | Double-colour draw accessories |
| CN201530088U (en) * | 2009-11-16 | 2010-07-21 | 泰瑞机器制造(中国)有限公司 | Multi-component jointly-injecting injection machine |
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| CN202846805U (en) * | 2012-08-28 | 2013-04-03 | 浙江申达机器制造股份有限公司 | Color-mixing injection device |
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2012
- 2012-08-28 CN CN201210309429.XA patent/CN102794868B/en active Active
Patent Citations (5)
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| CN2227558Y (en) * | 1995-04-01 | 1996-05-22 | 王振保 | Double-colour draw accessories |
| CN201530088U (en) * | 2009-11-16 | 2010-07-21 | 泰瑞机器制造(中国)有限公司 | Multi-component jointly-injecting injection machine |
| CN102486480A (en) * | 2010-12-04 | 2012-06-06 | 鸿富锦精密工业（深圳）有限公司 | Motherboard testing bracket |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107756723A (en) * | 2016-08-22 | 2018-03-06 | 上海光塑机械制造有限公司 | A kind of blending double-color Backpack type injection mechanism |
| CN109760266A (en) * | 2018-12-29 | 2019-05-17 | 宁波长飞亚塑料机械制造有限公司 | A kind of R type electric injection rotary shaft double coloured plastic injection machine |
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|---|---|
| CN102794868B (en) | 2015-05-27 |
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Effective date of registration: 20230726 Address after: 313200 No. 618, Huancheng North Road, Fuxi street, Deqing County, Huzhou City, Zhejiang Province Patentee after: Deqing Shenda Machinery Manufacturing Co.,Ltd. Address before: 310038, Zhejiang, Hangzhou province Xihu District Tong Tong village entrance No. 208 Patentee before: ZHEJIANG SOUND MACHINERY MANUFACTURE Co.,Ltd. |
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