CN110936557A - A quick locking of movable mould and mold opening device for injection molding machine - Google Patents

A quick locking of movable mould and mold opening device for injection molding machine Download PDF

Info

Publication number
CN110936557A
CN110936557A CN201911292133.XA CN201911292133A CN110936557A CN 110936557 A CN110936557 A CN 110936557A CN 201911292133 A CN201911292133 A CN 201911292133A CN 110936557 A CN110936557 A CN 110936557A
Authority
CN
China
Prior art keywords
push rod
movable
fixing seat
rod
bolt
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.)
Pending
Application number
CN201911292133.XA
Other languages
Chinese (zh)
Inventor
夏锦程
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201911292133.XA priority Critical patent/CN110936557A/en
Publication of CN110936557A publication Critical patent/CN110936557A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/1742Mounting of moulds; Mould supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/64Mould opening, closing or clamping devices
    • B29C45/66Mould opening, closing or clamping devices mechanical

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention relates to the technical field of injection molding machines, in particular to a movable mold quick locking and mold opening device for an injection molding machine. The beneficial effects are that: the device can utilize the quick realization of clamping device to the locking of cover half and movable mould, thereby the effectual traditional manual bolt locking mould of twisting that has replaced, the locking speed of mould has been improved, it occupies to have reduced retooling time, the device can utilize the mold core push rod, die sinking push rod and thimble push rod come to carry out the die sinking in coordination to the mould, thereby replace traditional manual die sinking, the production efficiency is improved, and the device can come the different mould of adaptation through installing corresponding thimble and mold core, thereby the commonality of self to the automatic die sinking of mould has been improved, the production flexibility of production line has been ensured.

Description

A quick locking of movable mould and mold opening device for injection molding machine
Technical Field
The invention relates to the technical field of injection molding machines, in particular to a device for quickly locking and opening a movable mold of an injection molding machine.
Background
An injection molding machine is an apparatus for producing plastic products of various shapes by injecting thermoplastic plastics or thermosetting plastics into a mold. The injection molding machine can produce different products by replacing different molds in the using process, and the products can be removed by opening the molds after the products are generated. The injection molding machine changes the mould in-process and need carry out the tight locking of clamp again to the mould to ensure that cover half and movable mould can align, the tradition is mainly through the artifical bolt installation of twisting of cover half and movable mould locking, consequently leads to retooling time long, and the tradition die sinking also generally adopts artifical die sinking, causes the die sinking speed slow, serious influence the production efficiency of injection molding machine.
If the novel equipment capable of effectively improving the locking speed and the mold opening speed of the injection molding machine mold is provided, the problems can be effectively solved, and a device for quickly locking and opening the movable mold of the injection molding machine is provided.
Disclosure of Invention
The invention aims to provide a quick locking and mold opening device for a movable mold of an injection molding machine, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a movable mould quick locking and mould opening device for an injection molding machine comprises a base, wherein a vertical rod is fixedly arranged on the base through a bolt, a sliding rod is fixedly arranged on the vertical rod through a bolt, a controller is fixedly arranged on the vertical rod through a bolt, a fixed mould fixing seat and a movable mould fixing seat are slidably arranged on the sliding rod, sliding chutes matched with the sliding rod are formed in the fixed mould fixing seat and the movable mould fixing seat, at least three positioning holes are formed in the sliding rod in an array mode, and the fixed mould fixing seat is fixedly arranged on the sliding rod through positioning screw buttons matched with the positioning holes in a screwed mode;
the clamping device comprises a connecting seat fixed with the fixed die fixing seat or the movable die fixing seat through bolts, a pair of clamping push rods are arranged on the connecting seat through bolts, the output end of each clamping push rod drives a clamping plate, and a limiting rod for fixing the movable die is fixedly arranged on the clamping plate through bolts;
the movable mould fixing seat is fixedly provided with a connecting arm through a bolt, the tail end of the connecting arm is fixedly provided with an adjusting push rod through a bolt, the output end of the adjusting push rod drives an installation seat, a mould core push rod is fixedly arranged on the installation seat through a bolt, and the output end of the mould core push rod is fixedly provided with a mould core which is inserted into the movable mould through a bolt;
there is the die sinking push rod in the pole setting through bolt fixed mounting, and the output drive movable mould fixing base of die sinking push rod slides along the slide bar, there is the mounting bracket through bolt fixed mounting on the movable mould fixing base, and has thimble push rod through bolt fixed mounting on the mounting bracket, the output drive of thimble push rod has the thimble mount pad, and has the thimble that matches with the movable mould through bolt fixed mounting on the thimble mount pad, the controller is through cable electric connection clamp push rod, adjustment push rod, mold core push rod and thimble push rod respectively.
Preferably, the controller is an S7-200 PLC device, and the clamping push rod, the adjusting push rod, the mold core push rod and the ejector pin push rod are single-rod double-acting hydraulic push rods.
Preferably, there are four slide bars in the pole setting through bolt fixed mounting, and the slide bar corresponds the four corners department of slidable mounting at movable mould fixing base and cover half fixing base.
Preferably, each clamping plate is provided with at least two limiting rods in a linear array below through bolts, and the cross sections of the limiting rods are circular or hexagonal.
Preferably, the base is fixedly installed with the injection molding machine base through bolts, and the section of the sliding rod is circular or hexagonal.
Compared with the prior art, the invention has the beneficial effects that:
1. the device can utilize the clamping device to quickly realize the locking of the fixed die and the movable die, thereby effectively replacing the traditional manual screwing of a bolt to lock the die, improving the locking speed of the die and reducing the occupation of die changing time;
2. the device can utilize mold core push rod, die sinking push rod and thimble push rod to come in coordination to carry out the die sinking to the mould to replace traditional manual die sinking, improved production efficiency, the device can come the different moulds of adaptation through installing corresponding thimble and mold core moreover, thereby has improved self to the commonality of the automatic die sinking of mould, has ensured the production flexibility of production line, has very high practical value.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the structure of the present invention;
FIG. 3 is a schematic view of the assembly of the movable mold and the movable mold fixing seat of the present invention;
FIG. 4 is a schematic view of the assembly of the thimble rod and the movable mold fixing base according to the present invention.
In the figure: 1. a base; 2. erecting a rod; 3. a clamping device; 301. a connecting seat; 302. clamping the push rod; 303. a limiting rod; 304. a clamping plate; 4. a controller; 5. opening the mold push rod; 6. a slide bar; 7. positioning holes; 8. positioning a screw button; 9. a fixed die fixing seat; 10. moving the mold; 11. a chute; 12. a movable mould fixing seat; 13. fixing a mold; 14. a mold core; 15. a mold core push rod; 16. a mounting seat; 17. adjusting the push rod; 18. a connecting arm; 19. a mounting frame; 20. a thimble push rod; 21. a thimble; 22. a thimble mounting seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: a movable mould quick locking and mould opening device for an injection molding machine comprises a base 1, wherein a vertical rod 2 is fixedly installed on the base 1 through a bolt, a sliding rod 6 is fixedly installed on the vertical rod 2 through a bolt, a controller 4 is fixedly installed on the vertical rod 2 through a bolt, a fixed mould fixing seat 9 and a movable mould fixing seat 12 are slidably installed on the sliding rod 6, sliding grooves 11 matched with the sliding rod 6 are formed in the fixed mould fixing seat 9 and the movable mould fixing seat 12, at least three positioning holes 7 are formed in the sliding rod 6 in an array mode, and the fixed mould fixing seat 9 is fixedly installed on the sliding rod 6 through positioning screw buttons matched with the positioning holes in a;
a fixed die 13 is inserted and installed on the fixed die fixing seat 9, a movable die 10 is inserted and installed on the movable die fixing seat 12, clamping devices 3 are fixedly installed on the movable die fixing seat 12 and the fixed die fixing seat 9 respectively, each clamping device 3 comprises a connecting seat 301 fixed with the fixed die fixing seat 9 or the movable die fixing seat 12 through a bolt, a pair of clamping push rods 302 are installed on the connecting seats 301 through bolts, a clamping plate 304 is driven by the output end of each clamping push rod 302, and a limiting rod 303 for fixing the movable die 10 is fixedly installed on each clamping plate 304 through a bolt;
a connecting arm 18 is fixedly installed on the movable die fixing seat 12 through a bolt, an adjusting push rod 17 is fixedly installed at the tail end of the connecting arm 18 through a bolt, an installation seat 16 is driven by the output end of the adjusting push rod 17, a die core push rod 15 is fixedly installed on the installation seat 16 through a bolt, and a die core 14 which is installed with the movable die 10 in an inserted mode is fixedly installed at the output end of the die core push rod 15 through a bolt;
a mold opening push rod 5 is fixedly installed on the vertical rod 2 through a bolt, the output end of the mold opening push rod 5 drives the movable mold fixed seat 12 to slide along the slide rod 6, an installation frame 19 is fixedly installed on the movable mold fixed seat 12 through a bolt, an ejector pin push rod 20 is fixedly installed on the installation frame 19 through a bolt, the output end of the ejector pin push rod 20 drives an ejector pin installation seat 22, an ejector pin 21 matched with the movable mold 10 is fixedly installed on the ejector pin installation seat 22 through a bolt, and the controller 4 is respectively and electrically connected with the clamping push rod 302, the adjusting push rod 17, the mold core push rod 15 and the;
the controller 4 is an S7-200 type PLC device, the clamping push rod 302, the adjusting push rod 17, the mold core push rod 15 and the thimble push rod 20 are single-rod double-acting hydraulic push rods, four slide rods 6 are fixedly mounted on the upright rod 2 through bolts, the slide rods 6 are correspondingly slidably mounted at four corners of the movable mold fixing seat 12 and the fixed mold fixing seat 9, at least two limiting rods 303 are fixedly mounted below each clamping plate 304 in a linear array mode through bolts, the cross sections of the limiting rods 303 are circular or hexagonal, the base 1 is fixedly mounted with the injection molding machine base through bolts, and the cross sections of the slide rods 6 are circular or hexagonal.
The working principle is as follows: when the device is used, firstly, the base 1 is fixedly installed on a base of an injection molding machine through bolts, then a movable mold 10 and a fixed mold 13 which are required to be used are respectively inserted into a movable mold fixing seat 12 and a fixed mold fixing seat 9, and then the movable mold 10 and the fixed mold 13 are respectively clamped by the clamping device 3. The outer side of a fixed die fixing seat 9 of the device is connected with a nozzle of an injection molding machine, when the device is used, raw materials in the nozzle are injected into a die from the rear end of a fixed die 13, and a movable die fixing seat 12 can enable a movable die 10 and the fixed die 13 to be matched with or separated from the die under the driving of a die opening push rod 5. When the mold needs to be separated, the mold opening push rod 5 firstly pulls the movable mold 10 to the right, then the mold core push rod 15 pulls the mold core 14 to the rear side, and at the moment, the ejector pin push rod 20 can drive the ejector pin to push the workpiece to the left side so as to enable the workpiece to be separated from the mold from the left side firstly, and the mold opening is completed. The thimble 21 can be according to the corresponding thimble of difference installation on thimble mount pad 22 of the mould that uses, and the same mold core 14 of mould core 14 also can be installed on mold core push rod 15 according to the difference of the mould that uses, the mounted position of mold core 14 can also finely tune through adjusting push rod 17, the device only needs the single clamp of clamping device 3 to press from both sides and can accomplish the quick fixed to movable mould 10 or cover half 13, thereby the effectual speed of changing the mould that has improved, and the device's die sinking mode is simple, can use with various moulds cooperation, and do not need artifical the participation in the die sinking process, therefore have very high practical value.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a quick locking of movable mould and mold opening device for injection molding machine which characterized in that: the automatic positioning device comprises a base (1), wherein an upright rod (2) is fixedly arranged on the base (1) through a bolt, a sliding rod (6) is fixedly arranged on the upright rod (2) through a bolt, a controller (4) is fixedly arranged on the upright rod (2) through a bolt, a fixed die fixing seat (9) and a movable die fixing seat (12) are slidably arranged on the sliding rod (6), sliding chutes (11) matched with the sliding rod (6) are formed in the fixed die fixing seat (9) and the movable die fixing seat (12), at least three positioning holes (7) are formed in the sliding rod (6) in an array mode, and the fixed die fixing seat (9) is fixedly arranged on the sliding rod (6) through positioning screw buttons matched with the positioning holes in a screwed;
the clamping device is characterized in that a fixed die (13) is installed on the fixed die fixing seat (9) in an inserted mode, a movable die (10) is installed on the movable die fixing seat (12) in an inserted mode, clamping devices (3) are fixedly installed on the movable die fixing seat (12) and the fixed die fixing seat (9), each clamping device (3) comprises a connecting seat (301) fixed with the fixed die fixing seat (9) or the movable die fixing seat (12) through bolts, a pair of clamping push rods (302) are installed on the connecting seats (301) through bolts, a clamping plate (304) is driven by the output end of each clamping push rod (302), and a limiting rod (303) used for fixing the movable die (10) is fixedly installed on each clamping plate (304;
the movable die is characterized in that a connecting arm (18) is fixedly mounted on the movable die fixing seat (12) through a bolt, an adjusting push rod (17) is fixedly mounted at the tail end of the connecting arm (18) through a bolt, an installation seat (16) is driven by the output end of the adjusting push rod (17), a die core push rod (15) is fixedly mounted on the installation seat (16) through a bolt, and a die core (14) which is inserted and mounted with the movable die (10) is fixedly mounted at the output end of the die core push rod (15) through a bolt;
there are die sinking push rod (5) through bolt fixed mounting in pole setting (2), and output drive movable mould fixing base (12) of die sinking push rod (5) slide along slide bar (6), there is mounting bracket (19) through bolt fixed mounting on movable mould fixing base (12), and has thimble push rod (20) through bolt fixed mounting on mounting bracket (19), the output drive of thimble push rod (20) has thimble mount pad (22), and goes up thimble (21) that have through bolt fixed mounting and match with movable mould (10) on thimble mount pad (22), controller (4) are respectively through cable electric connection clamp push rod (302), adjustment push rod (17), mold core push rod (15) and thimble push rod (20).
2. The device for quickly locking and opening the movable mold of the injection molding machine according to claim 1, characterized in that: the controller (4) is an S7-200 type PLC device, and the clamping push rod (302), the adjusting push rod (17), the mold core push rod (15) and the thimble push rod (20) are single-rod double-acting hydraulic push rods.
3. The device for quickly locking and opening the movable mold of the injection molding machine according to claim 1, characterized in that: four slide bars (6) are fixedly mounted on the upright rod (2) through bolts, and the slide bars (6) are correspondingly slidably mounted at four corners of the movable die fixing seat (12) and the fixed die fixing seat (9).
4. The device for quickly locking and opening the movable mold of the injection molding machine according to claim 1, characterized in that: at least two limiting rods (303) are fixedly installed below each clamping plate (304) in a linear array through bolts, and the cross sections of the limiting rods (303) are circular or hexagonal.
5. The device for quickly locking and opening the movable mold of the injection molding machine according to claim 1, characterized in that: the base (1) is fixedly installed with the injection molding machine base through bolts, and the cross section of the sliding rod (6) is circular or hexagonal.
CN201911292133.XA 2019-12-16 2019-12-16 A quick locking of movable mould and mold opening device for injection molding machine Pending CN110936557A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911292133.XA CN110936557A (en) 2019-12-16 2019-12-16 A quick locking of movable mould and mold opening device for injection molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911292133.XA CN110936557A (en) 2019-12-16 2019-12-16 A quick locking of movable mould and mold opening device for injection molding machine

Publications (1)

Publication Number Publication Date
CN110936557A true CN110936557A (en) 2020-03-31

Family

ID=69911277

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911292133.XA Pending CN110936557A (en) 2019-12-16 2019-12-16 A quick locking of movable mould and mold opening device for injection molding machine

Country Status (1)

Country Link
CN (1) CN110936557A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111347656A (en) * 2020-04-20 2020-06-30 中山市缙东机械有限公司 Mold for producing bottle blowing machine and bottle blowing machine
CN111376450A (en) * 2020-05-21 2020-07-07 温州承玥机械设备有限公司 Ejection device for injection mold
CN111844617A (en) * 2020-07-22 2020-10-30 尹建国 Accurate docking mechanism of adjustable injection mold

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003320570A (en) * 2002-05-08 2003-11-11 Pascal Engineering Corp Device for preventing drop of mold for injection molding machine
CN101224626A (en) * 2007-01-16 2008-07-23 蔡业 Compound moulding board pressure boosting mechanism of injection machine
CN203726756U (en) * 2014-01-20 2014-07-23 骏越科技(深圳)有限公司 Cylindrical part injection mold positioning mechanism
CN205467173U (en) * 2016-01-15 2016-08-17 厦门市天宇塑料工业有限公司 Plastics rice injection molding machine
US9533443B1 (en) * 2015-07-20 2017-01-03 Tien Kang Co., Ltd. Anti-falling mold protection device for an automatic mold opening and closing machine
CN207449029U (en) * 2017-09-26 2018-06-05 杭州博适特新材料科技有限公司 A kind of electric drive mold closing mechanism of forming machine
CN208896392U (en) * 2018-08-17 2019-05-24 宜宾恒旭投资集团有限公司 A kind of injection mold of Bottle Coating Box

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003320570A (en) * 2002-05-08 2003-11-11 Pascal Engineering Corp Device for preventing drop of mold for injection molding machine
CN101224626A (en) * 2007-01-16 2008-07-23 蔡业 Compound moulding board pressure boosting mechanism of injection machine
CN203726756U (en) * 2014-01-20 2014-07-23 骏越科技(深圳)有限公司 Cylindrical part injection mold positioning mechanism
US9533443B1 (en) * 2015-07-20 2017-01-03 Tien Kang Co., Ltd. Anti-falling mold protection device for an automatic mold opening and closing machine
CN205467173U (en) * 2016-01-15 2016-08-17 厦门市天宇塑料工业有限公司 Plastics rice injection molding machine
CN207449029U (en) * 2017-09-26 2018-06-05 杭州博适特新材料科技有限公司 A kind of electric drive mold closing mechanism of forming machine
CN208896392U (en) * 2018-08-17 2019-05-24 宜宾恒旭投资集团有限公司 A kind of injection mold of Bottle Coating Box

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111347656A (en) * 2020-04-20 2020-06-30 中山市缙东机械有限公司 Mold for producing bottle blowing machine and bottle blowing machine
CN111376450A (en) * 2020-05-21 2020-07-07 温州承玥机械设备有限公司 Ejection device for injection mold
CN111844617A (en) * 2020-07-22 2020-10-30 尹建国 Accurate docking mechanism of adjustable injection mold

Similar Documents

Publication Publication Date Title
CN110936557A (en) A quick locking of movable mould and mold opening device for injection molding machine
CN110744778B (en) Die change structure for processing of injection molding machine
CN211591158U (en) Internal core-pulling injection mold with adjustable core-pulling distance
CN211763073U (en) Cleaning device for plastic injection mold
CN112355276A (en) Die casting equipment and die casting method
CN111531794A (en) Plastic tray machining and forming device and operation method thereof
CN217752544U (en) But quick demoulding's mould
CN215039698U (en) Mould is used in processing of five metals injection molding
CN217704397U (en) Double-color die carrier with different glue inlet positions on movable die side
CN213321309U (en) Injection molding device for production of automobile rearview mirror
CN111376450B (en) Ejection device for injection mold
CN111168932A (en) Injection mold with self-shearing sprue for producing PVC (polyvinyl chloride) pipes
CN220995343U (en) Quick demoulding mechanism
CN221604983U (en) Automatic rubber injection molding machine
CN207105436U (en) Compound die injection machine
CN111941755A (en) Injection molding for rotor assembly of direct-current brushless motor and injection molding method thereof
CN221540443U (en) Plastic product injection molding machine
CN210969654U (en) Screw type injection molding machine mold closing device
CN217621907U (en) High polymer material injection molding device
CN220517447U (en) Injection mold capable of quickly replacing movable insert core block
CN217073111U (en) Injection molding device for manufacturing automobile injection molding parts
CN220784338U (en) Forming die of waste aluminum clay brick
CN221212622U (en) Injection molding machine convenient to drawing of patterns
CN219114655U (en) Die capable of avoiding damage to product surface
CN205167408U (en) Injection mold is released to two -way order of spring

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200331

RJ01 Rejection of invention patent application after publication