CN109079563A - A kind of intelligent machine tool material table convenient for adjusting - Google Patents
A kind of intelligent machine tool material table convenient for adjusting Download PDFInfo
- Publication number
- CN109079563A CN109079563A CN201811196508.8A CN201811196508A CN109079563A CN 109079563 A CN109079563 A CN 109079563A CN 201811196508 A CN201811196508 A CN 201811196508A CN 109079563 A CN109079563 A CN 109079563A
- Authority
- CN
- China
- Prior art keywords
- material table
- machine tool
- hydraulic stem
- hydraulic cylinder
- intelligent machine
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/03—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of endless chain conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/08—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of slides or chutes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The present invention provides a kind of intelligent machine tool material tables convenient for adjusting, this kind is convenient for the intelligent machine tool material table adjusted, material table inner wall rear and front end is uniformly provided at least four loose slots, and front end loose slot bottom end is rabbeted hydraulic cylinder one, one top of hydraulic cylinder is sequentially connected with hydraulic stem one, and back end activity slot bottom end is rabbeted telescopic rod, hydraulic stem one and telescopic rod top end are fixedly connected to branch, discharging platform is fixedly connected on the left of material table, and hydraulic cylinder two is bolted at left and right sides of discharging platform top, two inner wall of hydraulic cylinder is sequentially connected with hydraulic stem two, to realize two kinds of transmission modes in a material table, prevent material from damaging, reduce the output of defective products, solves the existing intelligent machine tool material table convenient for adjusting, one material table is inconvenient to realize two kinds of transmission modes of plane and inclination simultaneously , when material is fallen from material table, the problem of bumping to the side wall of material table.
Description
Technical field
The present invention relates to machine tool technology field, specially a kind of intelligent machine tool material table convenient for adjusting.
Background technique
In every case belong to that required precision is higher and the thinner part of surface roughness requirements, it generally all need to be on lathe with cutting
Method is finally processed.Lathe plays significant role in the construction of national economic modernization.
The existing intelligent machine tool material table convenient for adjusting, the material table of most lathe is plane transmission, and partial material
Relatively it is suitable for tilting conveyer belt in transmission, the position of material is gradually decreased, producer in process of production, needs to be equipped with more
Material table is produced, and a material table is inconvenient to realize two kinds of transmission modes of plane and inclination simultaneously, increases production cost,
Secondary, in order to guarantee the normal transmission of material, the discharge outlet of material table is not easy to setting damping device, causes material from material table
In when falling, bump to the side wall of material table, the defective products of material caused to increase, so, it is proposed that user does not need to purchase
Buy more material tables and carry out production works, two kinds of transmission modes are realized in a material table, do not interfere material normal through, and
And prevent material from damaging, the output of defective products is reduced, to solve the above problems.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of intelligent machine tool material table convenient for adjusting, has use
Person does not need to buy more material tables progress production works, and two kinds of transmission modes are realized in a material table, do not interfere material
Normal through, and the advantages that prevent material from damaging, reduce the output of defective products, solve the existing intelligent machine convenient for adjusting
Bed material table, material table is inconvenient to realize two kinds of transmission modes of plane and inclination simultaneously, increases production cost, and material is from material
When being fallen in platform, the problem of bumping to the side wall of material table, the defective products of material caused to increase.
The invention provides the following technical scheme: a kind of intelligent machine tool material table convenient for adjusting, the intelligence convenient for adjusting
Can lathe material table include:
Material table, material table inner wall rear and front end is uniformly provided at least four loose slots, and front end loose slot bottom end is embedding
It is connected to hydraulic cylinder one, one top of hydraulic cylinder is sequentially connected with hydraulic stem one, and back end activity slot bottom end is rabbeted to have and stretched
Contracting bar, the hydraulic stem one is fixedly connected to branch with telescopic rod top end, and is welded with snap-gauge at left and right sides of branch, described
Snap-gauge, which is embedded in, to be set to loose slot inner wall two sides and is slidably connected with loose slot, and roller is rotatably connected between snap-gauge, institute
It states material table inner wall and is located on the right side of roller and be provided with master roller, and home roll tube rear end and material table are rotatablely connected, the material
Motor is bolted inside platform and immediately below master roller, and motor top is rotatably connected to shaft, the shaft
It is fixedly connected with master roller front end, and is connected with belt on the outside of master roller and roller;
Discharging platform, the material table left side is fixedly connected with discharging platform, and is bolted at left and right sides of discharging platform top
Have a hydraulic cylinder two, two inner wall of hydraulic cylinder is sequentially connected with hydraulic stem two, and two front end of hydraulic stem be fixedly connected with it is flexible
Baffle, the telescopic baffle right side are closely fitted at least four pieces of bumpers.
Further, top is welded with delivery sheet on the right side of the material table, and material table inner bottom is bolted
There is actuator, the actuator is made of key, circuit board, command register, encoder and electronic component, and on the left of material table
Lower section is simultaneously connected with cover board on the outside of actuator, and the cover board is blocked in controller.
Further, the motor and hydraulic stem one are electrically connected by cable and actuator, and motor passes through shaft
Master roller rotation is driven, the master roller drives belt rotation, and roller is rotated with belt.
Further, the hydraulic cylinder one drives hydraulic stem one flexible, and snap-gauge follow branch in loose slot on move down
Dynamic, the telescopic rod is intertwined by two different stocks of diameter and is formed, and telescopic rod cooperation hydraulic stem one is flexible.
Further, the material table top left hand is connected with sensor, and sensor is electrical by cable and actuator
Connection, the sensor are made of inductive probe, driving device, triode, interface and crystal oscillator body.
Further, the hydraulic cylinder two is electrically connected by cable and actuator, and hydraulic cylinder two drives hydraulic stem two
It is flexible, it is separated by a distance between the telescopic baffle to change with hydraulic stem two, and the thickness of bumper is at least 1cm.
Compared with prior art, the present invention provides a kind of intelligent machine tool material table convenient for adjusting, have following beneficial
Effect:
1, this kind is convenient for the intelligent machine tool material table adjusted, when translator unit is suitable for tilting the material of conveyer belt, user
Multiple hydraulic cylinders one can be adjusted separately by actuator drives hydraulic stem one flexible, at the same snap-gauge can in loose slot on move down
It is dynamic, and because the branch of roller rear end can follow the height of front end branch to be adjusted, telescopic rod stretches, and user can incite somebody to action
Multiple rollers are adjusted to skewed, allow the left side of belt with drum-inclined Cheng Po, when conveying material, material move to the left and
Gradually downward, convenient for the transmission work of material, user does not need to buy more material tables progress production works, in a material
Two kinds of transmission modes are realized in platform, are conducive to save production cost.
2, this kind is convenient for the intelligent machine tool material table adjusted, when material is sent out by belt, the infrared ray of sensor
It senses material, and instruction is transferred to actuator, and the capable of emitting instruction of actuator, hydraulic cylinder two drive hydraulic stem flexible, liquid
Extending between compression bar two, separated by a distance between simultaneous retractable baffle to shorten, when material is sent, telescopic baffle blocks material,
And cushioning effect is played by bumper, avoid material from damaging, after blocking material, hydraulic cylinder two drives hydraulic stem to stretch again
It contracts, extension separated by a distance between telescopic baffle, so that material passes through between telescopic baffle, since telescopic baffle is with material
State works, and does not interfere material normal through and preventing material from damaging, reduce the output of defective products.
Detailed description of the invention
Fig. 1 is structure of the invention schematic internal view;
Fig. 2 is electric machine structure outside schematic diagram of the present invention;
Fig. 3 is one structural outer schematic diagram of hydraulic stem of the present invention;
Fig. 4 is telescopic baffle structural outer schematic diagram of the present invention.
In figure: 1 material table, 2 delivery sheets, 3 belts, 4 hydraulic cylinders one, 5 hydraulic stems one, 6 rollers, 7 telescopic rods, 8 branchs, 9
Snap-gauge, 10 loose slots, 11 master rollers, 12 motors, 13 shafts, 14 actuators, 15 discharging platforms, 16 hydraulic cylinders two, 17 hydraulic stems two,
18 sensors, 19 telescopic baffles, 20 bumpers, 21 cover boards.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and described embodiment is only that present invention a part is implemented
Example, instead of all the embodiments.
Please refer to Fig. 1-4, a kind of intelligent machine tool material table convenient for adjusting, convenient for the intelligent machine tool material table packet of adjusting
It includes:
Material table 1,1 inner wall rear and front end of material table is uniformly provided at least four loose slots 10, and loose slot 10 bottom end in front end is equal
Interlocking has a hydraulic cylinder 1, and one 4 top of hydraulic cylinder is sequentially connected with hydraulic stem 1, and 10 bottom end of back end activity slot is rabbeted and had
Telescopic rod 7, hydraulic stem 1 and 7 top of telescopic rod are fixedly connected to branch 8, and 8 left and right sides of branch is welded with snap-gauge 9,
Snap-gauge 9, which is embedded in, to be set to 10 inner wall two sides of loose slot and is slidably connected with loose slot 10, and rolling is rotatably connected between snap-gauge 9
Cylinder 6,1 inner wall of material table and is located on the right side of roller 6 and is provided with master roller 11, and 11 rear end of master roller and material table 1 are rotatablely connected,
Motor 12 is bolted inside material table 1 and immediately below master roller 11, and 12 top of motor is rotatably connected to
Axis 13, shaft 13 are fixedly connected with 11 front end of master roller, and are connected with belt 3, user on the outside of master roller 11 and roller 6
During installation, material table 1 is first placed on to the periphery of lathe, 1 right side top of material table is welded with delivery sheet 2, and in material table 1
Actuator 14 has been bolted in portion bottom end, and actuator 14 is by key, circuit board, command register, encoder and electronics member
Part composition, and it is connected with cover board 21 below 1 left side of material table and on the outside of actuator 14, cover board 21 is blocked in controller 14,
And lathe discharge port is directed at delivery sheet 2, then cover board 21 is opened, external power supply is accessed in actuator 14, and actuator
14 manipulation motors 12 are run, and when material is fallen in belt 3 from delivery sheet 2, motor 12 and hydraulic stem 1 pass through electricity
Cable and actuator 14 are electrically connected, and motor 12 drives master roller 11 to rotate by shaft 13, and master roller 11 drives belt 3 to revolve
Turning, and roller 6 is rotated with belt 3, shaft 13 drives belt 3 to transmit, while belt 3 drives more rollers 6 to be rotated, from
And transmit material to the left, when translator unit is suitable for tilting the material of conveyer belt, user can be beaten by cover board 21
The key of adjustment actuator 14 is removed in space after opening, and it is flexible that hydraulic cylinder 1 drives hydraulic stem 1, and snap-gauge 9 follows branch 8
It is moved up and down in loose slot 10, telescopic rod 7 is intertwined by two different stocks of diameter and is formed, and 7 fluid,matching of telescopic rod
Compression bar 1 is flexible, adjusts separately multiple hydraulic cylinders 1 by actuator 14 and drives hydraulic stem 1 flexible, to pass through hydraulic stem
One 5 pull about 8 branch of front end, while snap-gauge 9 can move up and down in loose slot 10, and play positioning by snap-gauge 9
Effect, and because the branch 8 of 6 rear end of roller can follow the height of front end branch 8 to be adjusted, telescopic rod 7 stretches, and uses
Multiple rollers 6 can be adjusted to skewed by person, and the left side of belt 3 is allowed to be inclined to slope with roller 6, when conveying material, material to
Left side is mobile and gradually downward, and convenient for the transmission work of material, user, which does not need to buy more material tables 1, carries out production work
Make, two kinds of transmission modes are realized in a material table 1, is conducive to save production cost;
Discharging platform 15 in the present embodiment are fixedly connected with discharging platform 15 on the left of material table 1, and at left and right sides of 15 top of discharging platform
Hydraulic cylinder 2 16 is bolted, 2 16 inner wall of hydraulic cylinder is sequentially connected with hydraulic stem 2 17, and before hydraulic stem 2 17
End is fixedly connected with telescopic baffle 19, and 19 right side of telescopic baffle is closely fitted at least four pieces of bumpers 20,1 top of material table
Left side is connected with sensor 18, and sensor 18 is electrically connected by cable and actuator 14, and sensor 18 is by inductive probe, drive
Dynamic device, triode, interface and crystal oscillator body composition, sensor 18 connects electricity while actuator 14 connects electricity, passes through sensor 18
The state that can sense material transmission, when material is sent out by belt 3, the infrared induction of sensor 18 to material, and
Instruction is transferred to actuator 14, hydraulic cylinder 2 16 is electrically connected by cable and actuator 14, and 2 16 band hydrodynamic of hydraulic cylinder
Compression bar 2 17 is flexible, separated by a distance between telescopic baffle 19 to change with hydraulic stem 2 17, and the thickness of bumper 20 is at least
1cm, and the capable of emitting instruction of actuator 14 allows hydraulic cylinder 2 16 to work, and drives hydraulic stem 17 flexible by hydraulic cylinder 2 16,
Extend between hydraulic stem 2 17, separated by a distance between simultaneous retractable baffle 19 to shorten, telescopic baffle 19 when material is sent
Material is blocked, and cushioning effect is played by bumper 20, avoids material from damaging, after blocking material, hydraulic cylinder 2 16 is again
Drive hydraulic stem 17 flexible, extension separated by a distance between telescopic baffle 19, so that material passes through between telescopic baffle 19, by
It works in telescopic baffle 19 with the state of material, does not interfere material normal through and preventing material from damaging, reduce bad
The output of product.
1 material table that uses in above-described embodiment, 2 delivery sheets, 3 belts, 4 hydraulic cylinders one, 5 hydraulic stems one, 6 rollers, 7 are stretched
Contracting bar, 8 branchs, 9 snap-gauges, 10 loose slots, 11 master rollers, 12 motors, 13 shafts, 14 actuators, 15 discharging platforms, 16 hydraulic cylinders
Two, 17 hydraulic stems two, 18 sensors, 19 telescopic baffles, 20 bumpers, 21 cover boards can be bought by market or private customization obtains
?.
The instrument wherein applied in the present invention:
Hydraulic cylinder one is HOB63150 model;
Motor is YN60-6C model;
Actuator is EN8F2501 model;
Hydraulic cylinder two is QF model;
Sensor is IR5123B model;
Above-described embodiment is served only for that invention is further explained to specific descriptions of the invention, should not be understood as to this
The technician of the restriction of invention protection scope, this field makes some non-intrinsically safes to the present invention according to the content of foregoing invention
Modifications and adaptations fall within the scope of protection of the present invention.
Claims (6)
1. a kind of intelligent machine tool material table convenient for adjusting, which is characterized in that the intelligent machine tool material table packet convenient for adjusting
It includes:
Material table (1), material table (1) the inner wall rear and front end are uniformly provided at least four loose slots (10), and front end activity
Slot (10) bottom end, which is rabbeted, hydraulic cylinder one (4), and hydraulic cylinder one (4) top is sequentially connected with hydraulic stem one (5), and after
End loose slot (10) bottom end, which is rabbeted, to be had telescopic rod (7), and the hydraulic stem one (5) is fixedly connected to telescopic rod (7) top
Branch (8), and be welded with snap-gauge (9) at left and right sides of branch (8), the snap-gauge (9), which is embedded in, to be set in loose slot (10)
It wall two sides and is slidably connected with loose slot (10), and is rotatably connected to roller (6) between snap-gauge (9), material table (1) inner wall
And be located on the right side of roller (6) and be provided with master roller (11), and master roller (11) rear end and material table (1) are rotatablely connected, the object
Material platform (1) is internal and has been bolted motor (12) immediately below master roller (11), and the rotation of motor (12) top connects
It is connected to shaft (13), the shaft (13) is fixedly connected with master roller (11) front end, and living on the outside of master roller (11) and roller (6)
It is dynamic to be connected with belt (3);
Discharging platform (15), material table (1) left side are fixedly connected with discharging platform (15), and at left and right sides of discharging platform (15) top
Hydraulic cylinder two (16) has been bolted, hydraulic cylinder two (16) inner wall is sequentially connected with hydraulic stem two (17), and
Hydraulic stem two (17) front end is fixedly connected with telescopic baffle (19), is closely fitted at least four on the right side of the telescopic baffle (19)
Block bumper (20).
2. a kind of intelligent machine tool material table convenient for adjusting according to claim 1, it is characterised in that: the material table
(1) right side top is welded with delivery sheet (2), and material table (1) inner bottom has been bolted actuator (14), described to hold
Row device (14) is made of key, circuit board, command register, encoder and electronic component, and lower section and position on the left of material table (1)
It is connected with cover board (21) on the outside of actuator (14), the cover board (21) is blocked in controller (14).
3. a kind of intelligent machine tool material table convenient for adjusting according to claim 1 or 2, it is characterised in that: the motor
(12) it is electrically connected by cable and actuator (14) with hydraulic stem one (5), and motor (12) drives master by shaft (13)
Roller (11) rotation, the master roller (11) drives belt (3) rotation, and roller (6) is rotated with belt (3).
4. a kind of intelligent machine tool material table convenient for adjusting according to claim 1, it is characterised in that: the hydraulic cylinder one
(4) drive hydraulic stem one (5) flexible, and snap-gauge (9) follows branch (8) to move up and down in loose slot (10), the telescopic rod
(7) it is intertwined and is formed by two different stocks of diameter, and telescopic rod (7) cooperation hydraulic stem one (5) is flexible.
5. a kind of intelligent machine tool material table convenient for adjusting according to claim 1 or 2, it is characterised in that: the material
Platform (1) top left hand is connected with sensor (18), and sensor (18) is electrically connected by cable and actuator (14), the biography
Sensor (18) is made of inductive probe, driving device, triode, interface and crystal oscillator body.
6. a kind of intelligent machine tool material table convenient for adjusting according to claim 1 or 2, it is characterised in that: described hydraulic
Cylinder two (16) is electrically connected by cable and actuator (14), and hydraulic cylinder two (16) drives hydraulic stem two (17) flexible, described
It is separated by a distance between telescopic baffle (19) to change with hydraulic stem two (17), and the thickness of bumper (20) is at least 1cm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811196508.8A CN109079563A (en) | 2018-10-15 | 2018-10-15 | A kind of intelligent machine tool material table convenient for adjusting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811196508.8A CN109079563A (en) | 2018-10-15 | 2018-10-15 | A kind of intelligent machine tool material table convenient for adjusting |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109079563A true CN109079563A (en) | 2018-12-25 |
Family
ID=64843424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811196508.8A Withdrawn CN109079563A (en) | 2018-10-15 | 2018-10-15 | A kind of intelligent machine tool material table convenient for adjusting |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109079563A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110066893A (en) * | 2019-05-13 | 2019-07-30 | 四川川润股份有限公司 | A kind of novel air heat-exchange device of cooling thermal slag |
CN116000376A (en) * | 2022-12-15 | 2023-04-25 | 安徽省博尔迪五金电器有限公司 | Feeding device for automatic sawing machine for aluminum profiles |
-
2018
- 2018-10-15 CN CN201811196508.8A patent/CN109079563A/en not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110066893A (en) * | 2019-05-13 | 2019-07-30 | 四川川润股份有限公司 | A kind of novel air heat-exchange device of cooling thermal slag |
CN110066893B (en) * | 2019-05-13 | 2023-12-19 | 四川川润股份有限公司 | Air heat exchange device for cooling thermal state slag |
CN116000376A (en) * | 2022-12-15 | 2023-04-25 | 安徽省博尔迪五金电器有限公司 | Feeding device for automatic sawing machine for aluminum profiles |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102527785A (en) | Full-automatic four-roller plate rolling machine | |
CN109079563A (en) | A kind of intelligent machine tool material table convenient for adjusting | |
CN105904222B (en) | A kind of smoke pipe both-end automatic production line | |
CN106945093B (en) | A kind of display screen protective layer excision forming and side sizing material handle automation equipment | |
CN105479584B (en) | A kind of continuous edge-sealed system of new kitchen cabinet plate and its continuous edge-sealed method | |
CN108454941A (en) | A kind of handset touch panel film sticking apparatus | |
CN206318138U (en) | A kind of clothes automatic layboy | |
CN206886225U (en) | Plastics plate collector | |
CN109435001A (en) | A kind of labor-saving door pocket edge-sealing production line | |
CN107599480A (en) | A kind of material pressing device of mechanical automation | |
CN207209184U (en) | A kind of bucket elevator with automatic lifting height of materials function | |
CN208326520U (en) | A kind of dry carbonization feeding device of sawdust | |
CN208427528U (en) | Multilayer slab rotating roller | |
CN207545669U (en) | A kind of energy-saving ultrafine dry powder extinguishing installation automatic assembly line | |
JP2645398B2 (en) | Work feeder for centerless grinding machine | |
CN206265887U (en) | Fragment of brick stacking machine | |
CN206154762U (en) | Automatic chinese -medicinal material cake of press device of material loading | |
CN107380916A (en) | A kind of medicine production automatic charging machine | |
CN107836175A (en) | A kind of new seedling-transplanting device | |
CN209721066U (en) | A kind of layering conveying device for carton raw material cardboard | |
CN209289496U (en) | A kind of edge banding machine | |
CN208631964U (en) | A kind of automatic transportation installing type fabric reel rack | |
CN207756610U (en) | A kind of pipe mill discharge nozzle rail changing device | |
CN109941684A (en) | A kind of wheat grain throwing machine with feeding function | |
CN217732098U (en) | Automatic paper stack separating and conveying device for printing |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181225 |
|
WW01 | Invention patent application withdrawn after publication |