CN207359569U - One kind has real-time temperature controlling function bumper precise injection molding equipment - Google Patents

One kind has real-time temperature controlling function bumper precise injection molding equipment Download PDF

Info

Publication number
CN207359569U
CN207359569U CN201721305593.8U CN201721305593U CN207359569U CN 207359569 U CN207359569 U CN 207359569U CN 201721305593 U CN201721305593 U CN 201721305593U CN 207359569 U CN207359569 U CN 207359569U
Authority
CN
China
Prior art keywords
fixedly connected
bumper
housing
plate
real
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
Application number
CN201721305593.8U
Other languages
Chinese (zh)
Inventor
谢腾亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DONGGUAN XUTONGDA MOULD PLASTIC Co Ltd
Shenzhen Konka Precision Mould Manufacturing Co Ltd
DONGGUAN KONKA MOULD PLASTIC Co Ltd
Original Assignee
DONGGUAN XUTONGDA MOULD PLASTIC Co Ltd
Shenzhen Konka Precision Mould Manufacturing Co Ltd
DONGGUAN KONKA MOULD PLASTIC Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DONGGUAN XUTONGDA MOULD PLASTIC Co Ltd, Shenzhen Konka Precision Mould Manufacturing Co Ltd, DONGGUAN KONKA MOULD PLASTIC Co Ltd filed Critical DONGGUAN XUTONGDA MOULD PLASTIC Co Ltd
Priority to CN201721305593.8U priority Critical patent/CN207359569U/en
Application granted granted Critical
Publication of CN207359569U publication Critical patent/CN207359569U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The utility model discloses one kind to have real-time temperature controlling function bumper precise injection molding equipment, including workbench, the midpoint of bench-top is fixedly connected with automobile bumper injection mould plate, injection hole is offered at the top of automobile bumper injection mould plate, the position that bench-top corresponds to automobile bumper injection mould plate front and rear sides has been fixedly connected with working plate.By setting working plate, sliding groove, connecting plate, the first electric telescopic rod, circular fixed frame, fixture block, the first fan, housing, heating sucker rod, heating wire and the second fan, blowing for cold wind is carried out in the front and rear sides of automobile bumper injection mould plate, blowing for hot wind is carried out in its bottom, accelerate the fixed-type speed of plastics, avoid workpiece expansion or shrinkage caused by temperature overheating or supercooling, the precision for strengthening mould of maximization, greatly improve work efficiency, it is time saving and energy saving, bring great convenience to staff.

Description

One kind has real-time temperature controlling function bumper precise injection molding equipment
Technical field
Large product injection mold technology is the utility model is related to, is specially that one kind has real-time temperature controlling function automobile Bumper precise injection molding equipment.
Background technology
Injection is a kind of method of industrial products production moulding, and product is usually using rubber injection mold and plastic injection.Noting During modeling, the factor for influencing final finished precision rate is a variety of synthesis and determines, for bumper injection, shadow Ring the factor of its accurate rate mainly have plastic material, injection mold, Shooting Technique and injection-moulding device these four.
Injection mold is a kind of instrument for producing plasthetics;Also plasthetics complete structure and accurate dimension are to confer to Instrument.Injection molding is to produce a kind of processing method used during some complex-shaped components in batches.Refer specifically to heated thawing Plastics by injection molding machine high pressure inject die cavity, after cooling and solidifying, obtain formed products.Although the structure of mould is due to plastics variety It is different and possible ever-changing with performance, the shape of plastic products and the type of structure and injector etc., but basic structure It is consistent.Mould is mainly made of running gate system, thermoregulating system, forming part and constitutional detail.Wherein running gate system and into Type part be with the direct contact portion of plastics, and change with plastics and product, be most complicated in mold, change is maximum, it is desirable to Process finish and the highest part of precision.
In injection moulding process, influence of the temperature to mould is very big, the common bumper injection-moulding device of in the market In mould, all the injection of precision can not be completed by controlling temperature mostly, mould can not be quickly fixed-type, usually can be because of Temperature overheating or supercooling and cause expansion or shrinkage, seriously affect the precision and surface smoothness of mold injection product, go out Existing defective products is more, and work efficiency greatly reduces, time-consuming and laborious, also brings great inconvenience to operating personnel.
Utility model content
The purpose of this utility model is to provide one kind to have real-time temperature controlling function bumper precise injection molding equipment, Possess can be by controlling temperature to realize precise injection molding in real time the advantages of, it is most to solve common bumper injection-moulding device All it can not complete precise injection molding by controlling temperature, improve the problem of yields.
To achieve the above object, the utility model provides following technical solution:
One kind has real-time temperature controlling function bumper precise injection molding equipment, including workbench, the bench top The midpoint in portion is fixedly connected with automobile bumper injection mould plate, and injection is offered at the top of the automobile bumper injection mould plate Mouthful, the position that the bench-top corresponds to automobile bumper injection mould plate front and rear sides has been fixedly connected with working plate, described The side that working plate corresponds to automobile bumper injection mould plate offers sliding groove, and the working plate corresponds to the position of sliding groove both sides Two connecting plates are fixedly connected with, the connecting plate is fixedly connected with the first electric telescopic rod, institute close to the side of sliding groove State the first electric telescopic rod and be fixedly connected with circular fixed frame close to one end of sliding groove, the remote connecting plate of the sliding groove Side is provided with fixture block, and side of the fixture block away from connecting plate is fixedly connected with rotary electric machine, the output of the rotary electric machine Rotation axis is fixedly connected with axis, the rotation axis sequentially passes through fixture block, sliding groove and circular fixed frame close to one end of fixture block And the external stability for extending to circular fixed frame is connected with the first fan, the bench-top and corresponding bumper injection The position of template bottom is fixedly connected with housing, and heating sucker rod is fixedly connected with the left of the inner walls, the heating sucker rod Right end is fixedly connected on the right side of inner walls, and the surface of the heating sucker rod is arranged with heating wire, the inner walls bottom pair The position of heating sucker rod is answered to be provided with the second fan, the quantity of second fan is six and equidistant is fixedly connected in housing The bottom of wall.
Preferably, the position of the bench-top corresponding housing both sides has been fixedly connected with liftout attachment, the ejection Device includes base box, and the bottom of the base box inner wall is fixedly connected with the first fixed block, the top of first fixed block Two the first springs are symmetrically arranged with, the top of two the first springs is fixedly connected by the second fixed block, and described second fixes Two the 3rd fixed blocks are symmetrically arranged with the top of block, second spring is fixedly connected with the top of the 3rd fixed block, it is described The 4th fixed block is fixedly connected with the top of second spring, the top of two the 4th fixed blocks is fixedly connected by rubber pad.
Preferably, the position of bottom the first fixed block of correspondence of the base box inner wall is fixedly connected with spacing pipeline, institute The right side opening for stating spacing pipeline is equipped with through hole.
Preferably, the housing corresponds to the position of through hole and is fixedly connected with the second electric telescopic rod, and described second electronic stretches The one end of contracting bar away from housing is fixedly connected with pressure block, and side of the pressure block away from housing is through through hole and extends to it Inside at the top of rubber pad with being in contact.
Preferably, the top of the 3rd fixed block corresponds to the position of second spring and is fixedly connected with spring protecting jacket, institute State the surface that spring protecting jacket is set in second spring.
Preferably, the position that the bench-top is corresponded on the left of automobile bumper injection mould plate is fixedly connected with headlamp Frame, is fixedly connected with headlamp at the top of the bazooka.
Compared with prior art, the beneficial effects of the utility model are as follows:
1st, the utility model is by setting working plate, sliding groove, connecting plate, the first electric telescopic rod, circular fixed frame, card Block, the first fan, housing, heating sucker rod, heating wire and the second fan, carry out cold in the front and rear sides of automobile bumper injection mould plate Wind blows, and carrying out hot wind in its bottom blows, and accelerates the fixed-type speed of plastics, avoid workpiece because of temperature overheating or Expansion or shrinkage caused by supercooling, the precision for strengthening mould of maximization, and the surface smoothness of product is higher, therefore Greatly improve yields, improve work efficiency, it is time saving and energy saving, bring great convenience to operating personnel.
2nd, the utility model after moulding easily can be pushed up mould by setting liftout attachment from die cavity Go out, by setting spacing pipeline and through hole, prevent liftout attachment when in use, cause to move towards sideslip because not spacing, can not Liftout attachment, by setting the second electric telescopic rod and pressure block, can be compressed to shape during elastic force maximum by success ejection die State, when it is desired to be used, the second electric telescopic rod are only permitted to remove through hole, can be very convenient by mould ejection, pass through setting Spring protecting jacket, prevents second spring from, because of the lateral distortion being used for too long resulting in, its use is influenced, by setting bazooka And headlamp, staff can fulfil assignment in night, be conducive to improve production capacity.
Brief description of the drawings
Fig. 1 is the overall structure diagrammatic cross-section of the utility model front view;
Fig. 2 is the utility model overlooking the structure diagram;
Fig. 3 is the partial enlarged view of A-A in the utility model Fig. 1;
Fig. 4 is the partial enlarged view of B-B in the utility model Fig. 2.
In figure:1 workbench, 2 automobile bumper injection mould plates, 3 injection holes, 4 working plates, 5 sliding grooves, 6 connecting plates, 7 One electric telescopic rod, 8 circular fixed frames, 9 fixture blocks, 10 rotary electric machines, 11 rotation axis, 12 first fans, 13 housings, 14 electric heating Bar, 15 heating wire, 16 second fans, 17 liftout attachments, 1701 base boxes, 1,702 first fixed blocks, 1,703 first springs, 1704 Second fixed block, 1705 the 3rd fixed blocks, 1706 second springs, 1707 the 4th fixed blocks, 1708 rubber pads, 1709 position-limiting tubes Road, 1710 through holes, 1,711 second electric telescopic rods, 1712 pressure blocks, 1713 spring protecting jackets, 18 bazookas, 19 headlamps.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained, shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, one kind provided by the utility model has real-time temperature controlling function bumper precise injection molding Equipment, including workbench 1, the midpoint at the top of workbench 1 are fixedly connected with automobile bumper injection mould plate 2, bumper The top of injection molding mould plate 2 offers injection hole 3, the position of corresponding 2 front and rear sides of automobile bumper injection mould plate in the top of workbench 1 Working plate 4 is fixedly connected with, the side that working plate 4 corresponds to automobile bumper injection mould plate 2 offers sliding groove 5, working plate 4 The position of corresponding 5 both sides of sliding groove has been fixedly connected with two connecting plates 6, and connecting plate 6 is fixedly connected close to the side of sliding groove 5 There is the first electric telescopic rod 7, the first electric telescopic rod 7 is fixedly connected with circular fixed frame 8 close to one end of sliding groove 5, slides The side of the remote connecting plate 6 of groove 5 is provided with fixture block 9, and side of the fixture block 9 away from connecting plate 6 is fixedly connected with rotary electric machine 10, Be fixedly connected with rotation axis 11 on the output shaft of rotary electric machine 10, rotation axis 11 close to one end of fixture block 9 sequentially pass through fixture block 9, Sliding groove 5 and circular fixed frame 8 and extend to the external stability of circular fixed frame 8 and be connected with the first fan 12, the top of workbench 1 And the position of corresponding 2 bottom of automobile bumper injection mould plate is fixedly connected with housing 13, is fixedly connected on the left of 13 inner wall of housing There is heating sucker rod 14, the right end of heating sucker rod 14 is fixedly connected on the right side of 13 inner wall of housing, and the surface of heating sucker rod 14 is arranged with electric heating Silk 15, the position that 13 inner wall bottom of housing corresponds to heating sucker rod 14 are provided with the second fan 16, and the quantity of the second fan 16 is six And the equidistant bottom for being fixedly connected on 13 inner wall of housing, the position in the corresponding left side of automobile bumper injection mould plate 2 in the top of workbench 1 Put and be fixedly connected with bazooka 18, the top of bazooka 18 is fixedly connected with headlamp 19,1 top corresponding housing of workbench The position of 13 both sides has been fixedly connected with liftout attachment 17, and liftout attachment 17 includes base box 1701,1701 inner wall of base box Bottom is fixedly connected with the first fixed block 1702, and the position of bottom the first fixed block 1702 of correspondence of 1701 inner wall of base box is fixed Spacing pipeline 1709 is connected with, the right side opening of spacing pipeline 1709 is equipped with through hole 1710, and the top of the first fixed block 1702 is symmetrical Two the first springs 1703 are provided with, the top of two the first springs 1703 is fixedly connected by the second fixed block 1704, and second The top of fixed block 1704 is symmetrically arranged with two the 3rd fixed blocks 1705, and the top of the 3rd fixed block 1705 is fixedly connected with Two springs 1706, the position that the top of the 3rd fixed block 1705 corresponds to second spring 1706 are fixedly connected with spring protecting jacket 1713, spring protecting jacket 1713 is set in the surface of second spring 1706, and the top of second spring 1706 is fixedly connected with the 4th Fixed block 1707, the top of two the 4th fixed blocks 1707 are fixedly connected by rubber pad 1708, and housing 13 corresponds to through hole 1710 Position be fixedly connected with the second electric telescopic rod 1711, second one end of electric telescopic rod 1711 away from housing 13 is fixedly connected There is pressure block 1712, side of the pressure block 1712 away from housing 13 is through through hole 1710 and extends to its internal and rubber pad 1708 Top be in contact, by setting liftout attachment 17, easily mould can be ejected from die cavity after moulding, lead to Cross and spacing pipeline 1709 and through hole 1710 be set, prevent liftout attachment 17 when in use, cause to move towards sideslip because not spacing, Can not be succeeded ejection die, by setting the second electric telescopic rod 1711 and pressure block 1712, can be compressed to liftout attachment 17 State when elastic force is maximum, when it is desired to be used, the second electric telescopic rod 1711 need to remove through hole 1710, can be by mould Ejection, it is very convenient, by setting spring protecting jacket 1713, prevent that second spring 1706 is lateral askew because what is be used for too long resulting in Song, influences its use, and by setting bazooka 18 and headlamp 19, staff can fulfil assignment in night, pass through Working plate 4, sliding groove 5, connecting plate 6, the first electric telescopic rod 7, circular fixed frame 8, fixture block 9, the first fan 12, housing are set 13rd, heating sucker rod 14,15 and second fan 16 of heating wire, blowing for cold wind is carried out in the front and rear sides of automobile bumper injection mould plate 2 Send, carrying out hot wind in its bottom blows, and accelerates the fixed-type speed of plastics, avoid workpiece because of temperature overheating or supercooling and Caused expansion or shrinkage, the precision for strengthening mould of maximization, surface smoothness is high, and yields is high, greatly improves Work efficiency, it is time saving and energy saving, also bring great convenience to operating personnel.
In use, the injection of raw material progress bumper is put into from injection hole 3, the first electricity being fixed on connecting plate 6 Dynamic telescopic rod 7 drives 12 side-to-side movement of the first fan, blows cold wind, the second fan 16 of 13 inner wall bottom of housing is by blowing electricity Heated filament 15 is blown up hot wind, and cold-hot wind alternately can accelerate the fixed-type speed of plastics, maximumlly strengthen mould Precision.
In summary:Should have real-time temperature controlling function bumper precise injection molding equipment, by set working plate 4, Sliding groove 5, connecting plate 6, the first electric telescopic rod 7, circular fixed frame 8, fixture block 9, the first fan 12, housing 13, heating sucker rod 14, 15 and second fan 16 of heating wire, solving common bumper injection-moulding device mostly all can not be by controlling temperature come complete Into the problem of accurate injection.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. one kind has real-time temperature controlling function bumper precise injection molding equipment, including workbench (1), it is characterised in that: Midpoint at the top of the workbench (1) is fixedly connected with automobile bumper injection mould plate (2), the automobile bumper injection mould Injection hole (3) is offered at the top of plate (2), automobile bumper injection mould plate (2) front and rear sides are corresponded at the top of the workbench (1) Position be fixedly connected with working plate (4), the side of the corresponding automobile bumper injection mould plate (2) of the working plate (4) opens up There is sliding groove (5), the position of corresponding sliding groove (5) both sides of the working plate (4) has been fixedly connected with two connecting plates (6), institute State connecting plate (6) and be fixedly connected with the first electric telescopic rod (7), first electric telescopic rod close to the side of sliding groove (5) (7) circular fixed frame (8) is fixedly connected with close to one end of sliding groove (5), the remote connecting plate (6) of the sliding groove (5) Side is provided with fixture block (9), and side of the fixture block (9) away from connecting plate (6) is fixedly connected with rotary electric machine (10), described turn Rotation axis (11) is fixedly connected with the output shaft of dynamic motor (10), one end of the close fixture block (9) of the rotation axis (11) is successively First is connected with through fixture block (9), sliding groove (5) and circular fixed frame (8) and the external stability that extends to circular fixed frame (8) The position of fan (12), workbench (1) top and corresponding automobile bumper injection mould plate (2) bottom is fixedly connected with housing (13), heating sucker rod (14) is fixedly connected with the left of housing (13) inner wall, the right end of the heating sucker rod (14) is fixedly connected On the right side of housing (13) inner wall, the surface of the heating sucker rod (14) is arranged with heating wire (15), housing (13) the inner wall bottom The position that portion corresponds to heating sucker rod (14) is provided with the second fan (16), and the quantity of second fan (16) is for six and equidistant It is fixedly connected on the bottom of housing (13) inner wall.
2. according to claim 1 have real-time temperature controlling function bumper precise injection molding equipment, it is characterised in that: The position of corresponding housing (13) both sides has been fixedly connected with liftout attachment (17), the liftout attachment at the top of the workbench (1) (17) base box (1701) is included, the bottom of base box (1701) inner wall is fixedly connected with the first fixed block (1702), institute State and two the first springs (1703), the top of two the first springs (1703) are symmetrically arranged with the top of the first fixed block (1702) It is fixedly connected by the second fixed block (1704), two the 3rd fixations is symmetrically arranged with the top of second fixed block (1704) Block (1705), is fixedly connected with second spring (1706), the second spring at the top of the 3rd fixed block (1705) (1706) the 4th fixed block (1707) is fixedly connected with the top of, passes through rubber pad at the top of two the 4th fixed blocks (1707) (1708) it is fixedly connected.
3. according to claim 2 have real-time temperature controlling function bumper precise injection molding equipment, it is characterised in that: The position that the bottom of base box (1701) inner wall corresponds to the first fixed block (1702) is fixedly connected with spacing pipeline (1709), The right side opening of the spacing pipeline (1709) is equipped with through hole (1710).
4. having real-time temperature controlling function bumper precise injection molding equipment according to Claims 2 or 3, its feature exists In:The position of the corresponding through hole (1710) of the housing (13) is fixedly connected with the second electric telescopic rod (1711), second electricity The dynamic one end of telescopic rod (1711) away from housing (13) is fixedly connected with pressure block (1712), and the pressure block (1712) is away from shell The side of body (13) is through through hole (1710) and extends to its inside with being in contact at the top of rubber pad (1708).
5. according to claim 2 have real-time temperature controlling function bumper precise injection molding equipment, it is characterised in that: The position that the top of 3rd fixed block (1705) corresponds to second spring (1706) is fixedly connected with spring protecting jacket (1713), The spring protecting jacket (1713) is set in the surface of second spring (1706).
6. according to claim 1 have real-time temperature controlling function bumper precise injection molding equipment, it is characterised in that: Position at the top of the workbench (1) on the left of corresponding automobile bumper injection mould plate (2) is fixedly connected with bazooka (18), institute State and headlamp (19) is fixedly connected with the top of bazooka (18).
CN201721305593.8U 2017-10-10 2017-10-10 One kind has real-time temperature controlling function bumper precise injection molding equipment Expired - Fee Related CN207359569U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721305593.8U CN207359569U (en) 2017-10-10 2017-10-10 One kind has real-time temperature controlling function bumper precise injection molding equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721305593.8U CN207359569U (en) 2017-10-10 2017-10-10 One kind has real-time temperature controlling function bumper precise injection molding equipment

Publications (1)

Publication Number Publication Date
CN207359569U true CN207359569U (en) 2018-05-15

Family

ID=62347138

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721305593.8U Expired - Fee Related CN207359569U (en) 2017-10-10 2017-10-10 One kind has real-time temperature controlling function bumper precise injection molding equipment

Country Status (1)

Country Link
CN (1) CN207359569U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109382981A (en) * 2018-12-10 2019-02-26 太仓鑫望威精密机械有限公司 A kind of liftout attachment and its extrusion method of automotive bumper mold
CN110207038A (en) * 2019-06-13 2019-09-06 深圳国冶星光电科技股份有限公司 A kind of energy-saving low light attenuation white LED lamp for outdoor lighting
CN111590842A (en) * 2020-05-19 2020-08-28 滁州市伟宸装备制造有限公司 High-efficient injection moulding device of auto plastic accessory

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109382981A (en) * 2018-12-10 2019-02-26 太仓鑫望威精密机械有限公司 A kind of liftout attachment and its extrusion method of automotive bumper mold
CN109382981B (en) * 2018-12-10 2024-02-23 苏州得劳斯新能源科技有限公司 Ejection device and ejection method for automobile bumper mold
CN110207038A (en) * 2019-06-13 2019-09-06 深圳国冶星光电科技股份有限公司 A kind of energy-saving low light attenuation white LED lamp for outdoor lighting
CN111590842A (en) * 2020-05-19 2020-08-28 滁州市伟宸装备制造有限公司 High-efficient injection moulding device of auto plastic accessory

Similar Documents

Publication Publication Date Title
CN207359569U (en) One kind has real-time temperature controlling function bumper precise injection molding equipment
CN111300757A (en) Injection mold with high-efficient heat dissipation function
CN208529615U (en) A kind of high efficiency connector cover injection mold
CN214447725U (en) Novel precision type plastic forming die
CN219855649U (en) Mould is used in flowerpot production
CN107379445A (en) A kind of demolding structure of injection forming mold
CN209176129U (en) A kind of mold cooling device
CN207240704U (en) A kind of conveniently stripped injection mold
CN113103520B (en) Precise injection mold convenient for material taking
CN207172591U (en) A kind of outman's male earner injection mold for preventing deformation
CN215882480U (en) Rapid forming die
CN210651647U (en) Injection mold convenient to dismouting
CN208133484U (en) A kind of new-energy automobile accessory production shank mold
CN221417343U (en) Injection mold with fast heat dissipation
CN206614748U (en) A kind of catenating slider mechanism mould
CN208584736U (en) A kind of die carrier structure of injection mold
CN214773597U (en) Mould with high processing speed
CN215941447U (en) Mould is used in automobile turbine production with cooling function
CN217803087U (en) High-precision injection mold with multiple steering core-pulling functions
CN214726155U (en) Injection mold convenient to drawing of patterns
CN208277323U (en) A kind of mobile device that injection mold stability is good
CN212072825U (en) Plastic product processing injection mold
CN215359739U (en) Injection mold with cooling function
CN108637109A (en) A kind of abrasive material mold processing clamping device
CN220593948U (en) Ejection mechanism of die

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180515

Termination date: 20191010

CF01 Termination of patent right due to non-payment of annual fee