CN204019851U - A kind of hydraulic control system and double-shot moulding machine - Google Patents
A kind of hydraulic control system and double-shot moulding machine Download PDFInfo
- Publication number
- CN204019851U CN204019851U CN201420170087.2U CN201420170087U CN204019851U CN 204019851 U CN204019851 U CN 204019851U CN 201420170087 U CN201420170087 U CN 201420170087U CN 204019851 U CN204019851 U CN 204019851U
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- hydraulic control
- nozzle
- glue injection
- barrel
- oil cylinder
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- Expired - Lifetime
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- 238000000465 moulding Methods 0.000 title claims abstract description 19
- 238000002347 injection Methods 0.000 claims description 67
- 239000007924 injection Substances 0.000 claims description 67
- 239000003292 glue Substances 0.000 claims description 60
- 230000033001 locomotion Effects 0.000 claims description 11
- 239000002828 fuel tank Substances 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 22
- 239000007788 liquid Substances 0.000 abstract description 16
- 230000009977 dual effect Effects 0.000 abstract description 7
- 230000009183 running Effects 0.000 abstract description 7
- 239000003086 colorant Substances 0.000 abstract description 5
- 238000001746 injection moulding Methods 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 11
- 239000012530 fluid Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a kind of hydraulic control system and a kind of double-shot moulding machine.Nozzle in described double-shot moulding machine is dual channel list outlet nozzle, is respectively arranged with check valve in dual channel; Described hydraulic control system realizes Double-hydraulic control group and controls dual channel.Above-mentioned hydraulic control system is divided into two hydraulic control groups and realizes the controls to two material pipes, and the running that has guaranteed respectively to expect pipe is unaffected, can guarantee that the feed liquids of two material pipes penetrate smoothly; And two groups of hydraulic control groups can be expected the speed that shoots material of pipe, the amount accurately control respectively shooting material to each, make injection moulding machine of the present utility model can complete two kinds of colors, or the plastic shaping of multiple color.By check valve being set in the dual channel of nozzle, stoped the backflow of two feed liquids, avoided because feed liquid is back in barrel, the feed liquid of different colours being mixed, polluted feed liquid.
Description
Technical field
The utility model relates to injection moulding machine field, particularly a kind of hydraulic control system and double-shot moulding machine.
Background technology
In existing double-shot moulding machine technology, by two barrels and coordinating of nozzle realizing double-shot moulding, but when not homochromy feed liquid enters after nozzle, the unavoidable feed liquid that can occur refluxes, when the feed liquid of different colours is back in material chamber, will pollute feed liquid, thereby affect whole injection-molded finished quality.In existing double-shot moulding machine, adopt a set of Hydraulic Conirol Unit to control material pipe, between extra quality pipe, may occur interactive situation, cause the running of extra quality pipe bad.
Utility model content
The utility model object is in order to overcome the problem that influences each other of the hydraulic control of extra quality pipe, and a kind of hydraulic control system and a kind of double-shot moulding machine that is applied to double-shot moulding machine is provided.
In order to achieve the above object, the utility model is by the following technical solutions:
Be applied to a hydraulic control system for double-shot moulding machine, comprise glue injection oil cylinder group, oil motor group and hydraulic control portion;
Described glue injection oil cylinder group comprises the first glue injection oil cylinder and the second glue injection oil cylinder, and described oil motor group comprises the first oil motor and the second oil motor;
Described hydraulic control portion comprises the first hydraulic control group and the second hydraulic control group, and described the first hydraulic control group and the second hydraulic control group all comprise respectively three position four-way electromagnetic valve and two-position four-way solenoid valve;
Corresponding the first glue injection oil cylinder of the first hydraulic control group and the first oil motor, corresponding the second glue injection oil cylinder of the second hydraulic control group and the second oil motor; The annexation of hydraulic control group and glue injection oil cylinder, oil motor is as described below:
Described three position four-way electromagnetic valve is connected with glue injection oil cylinder by the first pipeline and second pipe, and the oil-in of described three position four-way electromagnetic valve is connected with an electric hydraulic pump;
Described two-position four-way valve is by the 3rd pipeline access second pipe; Described two-position four-way valve is connected with oil motor by the 4th pipeline; The oil return opening of described two-position four-way valve directly passes into fuel tank, and the oil-in of described two-position four-way valve is connected with described electric hydraulic pump;
Described oil motor connects the 5th pipeline, and passes into fuel tank by the 5th pipeline; Oil return opening access the 5th pipeline of described three position four-way electromagnetic valve.
As preferably, described the first hydraulic control group and the second hydraulic control group all comprise respectively the 3rd check valve and one direction choke valve;
The further annexation of described hydraulic control group and glue injection oil cylinder, oil motor is as described below: described one direction choke valve is serially connected on second pipe, and described two-position four-way valve accesses the second pipe between described one direction choke valve and three position four-way electromagnetic valve by the 3rd pipeline; On described the 5th pipeline, be connected in series described the 3rd check valve.
A double-shot moulding machine, the hydraulic control system that its application is described, comprises nozzle, the first barrel, the second barrel and described hydraulic control system, is respectively arranged with the first screw rod and the second screw rod in described the first barrel and the second barrel; It is characterized in that, described nozzle comprises first flow and the second runner that is arranged on described nozzle interior, and the import of two runners is arranged on one end of nozzle; In nozzle, be provided with a main flow and engage in this profession, the outlet that described main flow is engaged in this profession is arranged on the other end of nozzle, and the entrance that described main flow is engaged in this profession is arranged in nozzle, and the outlet of two runners converges at the entrance that main flow engages in this profession and is connected with this entrance; The first check valve is set in first flow, the second check valve is set in the second runner; Described the first barrel is communicated with first flow, and described the second barrel is communicated with the second runner; Described the first glue injection oil cylinder and the first oil motor drive respectively the first screw axial motion and circumferential movement, and described the second glue injection oil cylinder and the second oil motor drive respectively the first screw axial motion and circumferential movement.
As preferably, described the first glue injection oil cylinder is connected with the first screw rod, and described the second glue injection oil cylinder is connected with the second screw rod; Described the first oil motor is connected with the first screw rod, and described the second oil motor is connected with the second screw rod.
As preferably, described the first barrel and the second barrel are connected with nozzle by a plate, and described connecting plate is arranged between the first barrel and the second barrel and nozzle; In described connecting plate, be provided with the first connecting passage and the second connecting passage, the outlet of the first connecting passage is connected with the first flow on nozzle, and the outlet of the second connecting passage is connected with the second runner on nozzle; The first barrel is connected with the entrance of the first connecting passage, and the second barrel is connected with the entrance of the second connecting passage.
As preferably, described first flow and the second runner are set in parallel in nozzle.
Compared with prior art, the utlity model has following beneficial effect:
Above-mentioned hydraulic control system is divided into two hydraulic control groups and realizes the controls to two material pipes, and the running that has guaranteed respectively to expect pipe is unaffected, can guarantee that the feed liquids of two material pipes penetrate smoothly; And two groups of hydraulic control groups can be expected the speed that shoots material of pipe, the amount accurately control respectively shooting material to each, make injection moulding machine of the present utility model can complete two kinds of colors, or the plastic shaping of multiple color.By check valve being set in the dual channel of nozzle, stoped the backflow of two feed liquids, avoided because feed liquid is back in barrel, the feed liquid of different colours being mixed, polluted feed liquid.Two barrels are used respectively each self-corresponding oil motor and glue injection oil cylinder to control, and the motion of two barrels is independent of each other, even if one goes wrong, another also can be used as monochromatic injection moulding machine and uses.Two runners be arranged in parallel, guarantee that both flow velocitys are impartial, and blend color can more meet the requirements.
Accompanying drawing explanation
Fig. 1 is the structural representation of double-shot moulding machine of the present utility model and hydraulic control system thereof;
Fig. 2 is the enlarged drawing of A part in Fig. 1.
In figure:
1-nozzle; 11-first flow; The 111-the first check valve; The 12-the second runner; The 121-the second check valve; 13-main flow is engaged in this profession; 2-connecting plate; The 31-the first barrel; The 311-the first screw rod; The 32-the second barrel; The 321-the second screw rod; The 41-the first glue injection oil cylinder; The 42-the second glue injection oil cylinder; The 51-the first oil motor; The 52-the second oil motor; 61-three position four-way electromagnetic valve; 62-two-position four-way solenoid valve; 63-one direction choke valve; The 64-the three check valve; 7-fuel tank; 8-electric hydraulic pump; A-the first pipeline; B-second pipe; C-three pipeline; D-four pipeline; E-five pipeline.
Now the utility model is described in further detail with specific embodiment by reference to the accompanying drawings.
The specific embodiment
As shown in Figure 1 to Figure 2, be a kind of double-shot moulding machine described in the utility model, mainly by nozzle 1, the first barrel 31, the second barrel 32 and hydraulic control system, formed; As shown in Figure 1, hydraulic control system described in the utility model comprises glue injection oil cylinder group, oil motor group and hydraulic control portion.
Nozzle 1 is dual channel list outlet nozzle; Dual channel comprises that the first flow 11 of the inside that is set in parallel in nozzle 1 and the import of 12, two runners of the second runner are arranged on one end of nozzle 1; In nozzle 1, be provided with a main flow and engage in this profession 13, engage in this profession 13 the outlet of described main flow is arranged on the other end of nozzle 1, and engage in this profession 13 entrance of described main flow is arranged in nozzle 1, and the outlet of two runners converges at engage in this profession 13 entrance being connected with this entrance of main flow.In first flow 11, arrange in the first check valve 111, the second runners 12 the second check valve 121 is set.
In the first barrel 31, be provided with in the first screw rod 311, the second barrels 32 and be provided with the second screw rod 321.
The first barrel 31 is connected with nozzle 1 by connecting plate 2 with the second barrel 32, and connecting plate 2 is arranged between the first barrel 31 and the second barrel 32 and nozzle 1.In connecting plate 2, be provided with the first connecting passage and the second connecting passage, the outlet of the first connecting passage is connected with the first flow 11 on nozzle 1, and the outlet of the second connecting passage is connected with the second runner 12 on nozzle 1; The first barrel 31 is connected with the entrance of the first connecting passage, and the second barrel 32 is connected with the entrance of the second connecting passage.
Glue injection oil cylinder group comprises that the first glue injection oil cylinder 41 and the second glue injection oil cylinder 42, the first glue injection oil cylinders 41 are connected with the first screw rod 311, and the second glue injection oil cylinder 42 is connected with the second screw rod 321.Oil motor group comprises that the first oil motor 51 and the second oil motor 52, the first oil motors 51 are connected with the first screw rod 311, and the second oil motor 52 is connected with the second screw rod 321.Glue injection oil cylinder drives screw axial motion, and oil motor drives screw rod circumferential movement.
The concrete syndeton of oil motor and screw rod is as follows:
Oil motor is connected with screw rod with driving sleeve by power transmission shaft.Driving sleeve rear portion is connected with the output shaft of oil motor, and front portion is provided with a cavity volume.Power transmission shaft rear portion is contained among the cavity volume of this driving sleeve front portion, and circumferentially fixing with this driving sleeve.Therefore, power transmission shaft can in axial direction move a certain distance with respect to driving sleeve, but along the circumferential direction fixes with driving sleeve.The front portion of power transmission shaft is fixedly connected with screw rod.Therefore after driving sleeve rotates under the driving of oil motor, can drive power transmission shaft rotation, power transmission shaft drive screw rotation again.
The concrete syndeton of glue injection oil cylinder and screw rod is as follows:
Glue injection oil cylinder is connected with screw rod by piston rod, and piston is contained in glue injection oil cylinder, injects fluid rear drive piston and move with respect to glue injection oil cylinder in the hydraulic fluid port on glue injection oil cylinder sidewall.In piston, be provided with a cavity volume running through, front end is connected with power transmission shaft by bearing, further, cavity volume front end side wall is provided with an annular projection, axle sleeve on power transmission shaft is provided with an annular recess, and this annular projection is embedded among this groove, therefore, when piston moves, by this projection and groove, make piston can drive power transmission shaft in axial direction to move; When power transmission shaft rotates, under the effect of bearing block, piston can not rotate with power transmission shaft.
Described hydraulic control portion comprises the first hydraulic control group and the second hydraulic control group, corresponding the first glue injection oil cylinder 41 of the first hydraulic control group and corresponding the second glue injection oil cylinder 42 of the first oil motor 51, the second hydraulic control groups and the second oil motor 52.
The first hydraulic control group and the second hydraulic control group all comprise respectively with lower valve: three position four-way electromagnetic valve 61, two-position four-way solenoid valve 62, one direction choke valve 63 and the 3rd check valve 64.
The annexation of the first hydraulic control group and the first glue injection oil cylinder and the first oil motor, identical with the annexation of the second hydraulic control group and the second glue injection oil cylinder and the second oil motor, i.e. the annexation of hydraulic control group and glue injection oil cylinder, oil motor is as described below:
Three position four-way electromagnetic valve 61 is connected with glue injection oil cylinder by the first pipeline a and second pipe b, and one direction choke valve 63 is serially connected on second pipe b; The oil-in of three position four-way electromagnetic valve 61 is connected with an electric hydraulic pump 8.Two-position four-way valve is by the second pipe b between the 3rd pipeline c access one direction choke valve 63 and three position four-way electromagnetic valve 61; Two-position four-way valve is connected with oil motor by the 4th pipeline d; The oil return opening of two-position four-way valve directly passes into fuel tank 7, and the oil-in of two-position four-way valve is connected with electric hydraulic pump 8.Oil motor meets the 5th pipeline e, and passes into fuel tank 7 by the 5th pipeline e; Oil return opening access the 5th pipeline e of three position four-way electromagnetic valve 61; The upper serial connection of the 5th pipeline e the 3rd check valve 64.
Wherein, on second pipe b, being connected in series, on one direction choke valve 63 and the 5th pipeline e, the 3rd check valve 64 being set is the preferred embodiment of hydraulic control group, on second pipe b, be not connected in series on one direction choke valve 63 and the 5th pipeline e the 3rd check valve 64 is not set, hydraulic control group also can realize the overall operation of hydraulic control system of the present utility model.Be provided with one direction choke valve 63 and can realize the adjustment of back pressure in glue injection oil cylinder, be provided with the reversion that the 3rd check valve 64 can prevent oil motor.
Operation principle in the utility model: (label that following V1, V2, V3, V4, V5, V6, S1, S2, S3, S4 are each valve of differentiation in diagram)
Injection process: after electric hydraulic pump 8 runnings, when the S2 of V1 three position four-way electromagnetic valve 61 obtains when electric, fluid is just by V1 three position four-way electromagnetic valve 61, V3 one direction choke valve 63 enters the first glue injection oil cylinder 41, the injection piston rod that fluid promotes in the first glue injection oil cylinder 41 advances, and then promotion the first screw rod 311 advances, A material will enter first flow 11 by connecting plate 2, then by the first check valve 111, entering main flow engages in this profession and 13 is finally mapped in die cavity, simultaneously, when A material is gone to the second check valve 121, due to check valve effect, make A material can not flow to the second barrel 32, thereby avoiding A material to enter the second barrel 32 mixes with B material large area.Otherwise, when the S5 of V4 three position four-way electromagnetic valve 61 obtains when electric, fluid is just by V4 3-position 4-way electromagnetism, V6 one direction choke valve 63, enter the second glue injection oil cylinder 42, the injection piston rod that promotes the second glue injection oil cylinder 42 advances, and then promotion the second screw rod 321 advances, B material will enter the second runner 12 by connecting plate 2, then by the second check valve 121, entering main flow engages in this profession and 13 is mapped in die cavity, simultaneously, when B material is gone to the first check valve 111, due to check valve effect, make B material can not flow to the first barrel 31, thereby avoiding B material to enter the first barrel 31 mixes with A material large area.So color blending effect is stable, controlled.
Pine moves back process: after electric hydraulic pump 8 running, when the S1 of V1 three position four-way electromagnetic valve 61 obtains when electric, fluid just enters the first glue injection oil cylinder 41 by V1 three position four-way electromagnetic valve 61, and the injection piston rod in drive the first glue injection oil cylinder 41 retreats.When the S4 of V4 3-position 4-way electromagnetism obtains when electric, fluid just enters the second glue injection oil cylinder 42 by V4 3-position 4-way electromagnetism, drives the injection piston in the second glue injection oil cylinder 42 to retreat.
Melten gel process: after electric hydraulic pump 8 runnings, when the S3 of V2 two-position four-way solenoid valve 62 obtains when electric, fluid just enters the first oil motor 51 by V2 two-position four-way solenoid valve 62, thereby drive the first screw rod 311 to rotate, will be A material strip to screw front end when the first screw rod 311 rotates, because the active force of feed liquid will promote the first screw rod 311 to retreat, injection piston rod in such the first glue injection oil cylinder 41 will retreat, and the fluid while retreating in the first glue injection oil cylinder 41 will finally flow back to fuel tank 7 by V3 one direction choke valve 63, V2 two-position four-way solenoid valve 62.Otherwise, when the S6 of V5 two-position four-way solenoid valve 62 obtains when electric, fluid just enters the second oil motor 52 by V5 two-position four-way solenoid valve 62, thereby drive the second screw rod 32 to rotate, will be B material strip to screw front end when the second screw rod 32 rotates, because the active force of feed liquid will promote the second screw rod 32 to retreat, injection piston rod in such the second glue injection oil cylinder 42 will retreat, and the fluid while retreating in the first glue injection oil cylinder 41 will finally flow back to fuel tank 7 by V6 one direction choke valve 63, V5 two-position four-way solenoid valve 62.
The utility model is not limited to above-mentioned embodiment, if various changes of the present utility model or modification are not departed to spirit and scope of the present utility model, if within these changes and modification belong to claim of the present utility model and equivalent technologies scope, the utility model is also intended to comprise these changes and change.
Claims (6)
1. a hydraulic control system that is applied to double-shot moulding machine, is characterized in that, comprises glue injection oil cylinder group, oil motor group and hydraulic control portion;
Described glue injection oil cylinder group comprises the first glue injection oil cylinder and the second glue injection oil cylinder, and described oil motor group comprises the first oil motor and the second oil motor;
Described hydraulic control portion comprises the first hydraulic control group and the second hydraulic control group, and described the first hydraulic control group and the second hydraulic control group all comprise respectively three position four-way electromagnetic valve and two-position four-way solenoid valve;
Corresponding the first glue injection oil cylinder of the first hydraulic control group and the first oil motor, corresponding the second glue injection oil cylinder of the second hydraulic control group and the second oil motor; The annexation of hydraulic control group and glue injection oil cylinder, oil motor is as described below:
Described three position four-way electromagnetic valve is connected with glue injection oil cylinder by the first pipeline and second pipe, and the oil-in of described three position four-way electromagnetic valve is connected with an electric hydraulic pump;
Described two-position four-way valve is by the 3rd pipeline access second pipe; Described two-position four-way valve is connected with oil motor by the 4th pipeline; The oil return opening of described two-position four-way valve directly passes into fuel tank, and the oil-in of described two-position four-way valve is connected with described electric hydraulic pump;
Described oil motor connects the 5th pipeline, and passes into fuel tank by the 5th pipeline; Oil return opening access the 5th pipeline of described three position four-way electromagnetic valve.
2. hydraulic control system according to claim 1, is characterized in that, described the first hydraulic control group and the second hydraulic control group all comprise respectively the 3rd check valve and one direction choke valve;
The further annexation of described hydraulic control group and glue injection oil cylinder, oil motor is as described below: described one direction choke valve is serially connected on second pipe, and described two-position four-way valve accesses the second pipe between described one direction choke valve and three position four-way electromagnetic valve by the 3rd pipeline; On described the 5th pipeline, be connected in series described the 3rd check valve.
3. a double-shot moulding machine, it applies hydraulic control system as claimed in claim 1 or 2, comprise nozzle, the first barrel, the second barrel and described hydraulic control system, in described the first barrel and the second barrel, be respectively arranged with the first screw rod and the second screw rod; It is characterized in that, described nozzle comprises first flow and the second runner that is arranged on described nozzle interior, and the import of two runners is arranged on one end of nozzle; In nozzle, be provided with a main flow and engage in this profession, the outlet that described main flow is engaged in this profession is arranged on the other end of nozzle, and the entrance that described main flow is engaged in this profession is arranged in nozzle, and the outlet of two runners converges at the entrance that main flow engages in this profession and is connected with this entrance; The first check valve is set in first flow, the second check valve is set in the second runner; Described the first barrel is communicated with first flow, and described the second barrel is communicated with the second runner; Described the first glue injection oil cylinder and the first oil motor drive respectively the first screw axial motion and circumferential movement, and described the second glue injection oil cylinder and the second oil motor drive respectively the first screw axial motion and circumferential movement.
4. double-shot moulding machine according to claim 3, is characterized in that, described the first glue injection oil cylinder is connected with the first screw rod, and described the second glue injection oil cylinder is connected with the second screw rod; Described the first oil motor is connected with the first screw rod, and described the second oil motor is connected with the second screw rod.
5. double-shot moulding machine according to claim 3, is characterized in that, described the first barrel and the second barrel are connected with nozzle by a plate, and described connecting plate is arranged between the first barrel and the second barrel and nozzle; In described connecting plate, be provided with the first connecting passage and the second connecting passage, the outlet of the first connecting passage is connected with the first flow on nozzle, and the outlet of the second connecting passage is connected with the second runner on nozzle; The first barrel is connected with the entrance of the first connecting passage, and the second barrel is connected with the entrance of the second connecting passage.
6. double-shot moulding machine according to claim 3, is characterized in that, described first flow and the second runner are set in parallel in nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420170087.2U CN204019851U (en) | 2014-04-09 | 2014-04-09 | A kind of hydraulic control system and double-shot moulding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420170087.2U CN204019851U (en) | 2014-04-09 | 2014-04-09 | A kind of hydraulic control system and double-shot moulding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204019851U true CN204019851U (en) | 2014-12-17 |
Family
ID=52059758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420170087.2U Expired - Lifetime CN204019851U (en) | 2014-04-09 | 2014-04-09 | A kind of hydraulic control system and double-shot moulding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204019851U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2557885A (en) * | 2016-04-12 | 2018-07-04 | Chen Zhanfeng | Double-material mixing die assembly |
| CN110341117A (en) * | 2019-07-23 | 2019-10-18 | 东华机械有限公司 | Two-component colour mixture co-infusion device |
-
2014
- 2014-04-09 CN CN201420170087.2U patent/CN204019851U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2557885A (en) * | 2016-04-12 | 2018-07-04 | Chen Zhanfeng | Double-material mixing die assembly |
| CN110341117A (en) * | 2019-07-23 | 2019-10-18 | 东华机械有限公司 | Two-component colour mixture co-infusion device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 515800, Chenghai Road, Fengxiang District, Guangdong City, Shantou Province, Donggang Road, five horizontal Patentee after: GUANGDONG HUI YUAN MACHINERY Co.,Ltd. Address before: 515800, Chenghai Road, Fengxiang District, Guangdong City, Shantou Province, Donggang Road, five horizontal Patentee before: Guangdong Huiyuan Machinery Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20141217 |
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| CX01 | Expiry of patent term |