CN109622181A - A kind of adjustable hardware product additive grinding device - Google Patents
A kind of adjustable hardware product additive grinding device Download PDFInfo
- Publication number
- CN109622181A CN109622181A CN201811586225.4A CN201811586225A CN109622181A CN 109622181 A CN109622181 A CN 109622181A CN 201811586225 A CN201811586225 A CN 201811586225A CN 109622181 A CN109622181 A CN 109622181A
- Authority
- CN
- China
- Prior art keywords
- grinding
- convex block
- strut
- hardware product
- bar
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/20—Disintegrating by grating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/16—Mills provided with vibrators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/06—Selection or use of additives to aid disintegrating
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of adjustable hardware product additive grinding devices, including pedestal and grinding drum, the upper end of the pedestal is separately installed with bracket and motor, first strut and the second strut are installed on the bracket, through-hole is offered on first strut, strip groove is offered on second strut, servo cylinder is installed in the support plate, the bottom of the connecting plate is equipped with fixed link, the side of the grinding drum is fixedly installed with the first convex block and the second convex block to match respectively with through-hole and strip groove, rotation is socketed with transmission device on second convex block, one end of the transmission device is fixedly connected with the shaft of motor, the bottom of the grinding drum is fixedly installed with vibration device.The present invention can carry out the adjusting of grinding fineness by the hardware product grinding device to additive, while can effectively avoid handware adherency and grind convenient for blanking in cavity, while can ensure the uniform grinding to additive.
Description
Technical field
The present invention relates to hardware product manufacture field, specially a kind of adjustable hardware product additive grinding device.
Background technique
Hardware industry development speed is very fast, and several pieces of markets that traditional hardware industry country most concentrates are concentrated mainly on machinery
Hardware, this several big column of architectural hardware, art metal, haberdashery and hardware, and the metal product in manufacturing industry and common apparatus manufacture
In spare part in common use etc. classification in Related product then constitute " hardware " on ordinary meaning, it can be seen that, it is ' small by five
Gold ' it is not an existing category of employment, but above-mentioned several metal products --- the combined crosswise of hardware products, and whole
In a manufacturing industry, the responsibility of ' hardware ' is to provide components and the tool of production to manufacturing enterprise, and is not intended as final
The industry special equipment used.Nevertheless, we can not deny the important function of " hardware " during social production:
" hardware " and manufacturing industry are the indivisible entirety being interweaved together.
Hardware product is in production, because of use environment difference, it usually needs add different additives, Lai Zengjia hardware system
The ability of part Antagonistic Environment, existing hardware product additive grinding device when in use, are not adjustable grinding in grinding
Fineness adjusts inconvenience, since grinding is pressurizeed after the completion of grinding, causes additive adhesion in grinding container, inconvenient blanking,
Simultaneously during grinding, it is easy to appear and grinds irregular situation.
Summary of the invention
The purpose of the present invention is to provide a kind of adjustable hardware product additive grinding devices, are ground by the hardware product
Mill apparatus can simply and easily carry out the adjusting of grinding fineness to additive, while can effectively avoid handware viscous
In attached and grinding cavity, it is convenient for blanking, while can ensure the uniform grinding to additive, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of adjustable hardware product additive grinding dress
It sets, including pedestal and grinding drum, the upper end of the pedestal is separately installed with bracket and motor, and first is equipped on the bracket
Bar and the second strut offer through-hole on first strut, offer strip groove on second strut, the bracket it is upper
Support plate is installed at end, is equipped with servo cylinder in the support plate, one end of the servo cylinder is fixedly connected with connecting plate, institute
The bottom for stating connecting plate is equipped with fixed link, and one end of the fixed link is sequentially connected with roll shaft, the roller by pin joint structure
For axle position in the inside of grinding drum, it is convex that the side of the grinding drum is fixedly installed with first to match respectively with through-hole and strip groove
Block and the second convex block, rotation is socketed with transmission device on second convex block, the transmission device include connecting rod, drive rod,
Catch bar and motion bar, one end of the transmission device are fixedly connected with the shaft of motor, the fixed peace in the bottom of the grinding drum
Equipped with vibration device, the vibration device includes vibration motor and protective shell.
Preferably, the vibration motor is installed in protective shell, and the protective shell is installed on grinding drum.
Preferably, the side of the drive rod is installed in the shaft of motor, and the other side of the drive rod is fixedly mounted
There is slide bar, one end of the catch bar is fixedly installed with sliding block, and the side of the sliding block offers the sliding slot to match with slide bar,
The other end of the catch bar is hinged with motion bar, is hinged with connecting rod on the catch bar, the connecting rod and motion bar
One end rotates and is socketed on the second convex block, and the bottom of the catch bar has been fitted and connected supporting table, and the supporting table is installed on
On pedestal.
Preferably, the bottom of the grinding drum is equipped with discharge nozzle, is equipped with valve on the discharge nozzle.
Preferably, the roll shaft is provided with three groups, and roll shaft described in three groups is fitted and connected with grinding drum.
Preferably, first convex block and the second convex block are cylindrical, and first convex block and the second convex block are provided with
Two groups, and the quantity of first strut and the second strut is identical as the quantity of the first convex block and the second convex block.
Preferably, the connecting rod, motion bar and catch bar are arranged in three-link.
Preferably, the battery used for vibration device is fixedly installed on the grinding drum.
Preferably, the pin joint structure includes pin hole and pin shaft, and the pin hole is opened in fixed link, and the one of the pin shaft
End is fixedly installed in one end of roll shaft, and the pin shaft is plugged in the inside of pin hole
Compared with prior art, the beneficial effects of the present invention are:
1. the present invention is used cooperatively by transmission device and roll shaft, simply and easily additive uniformly can be ground
Mill, and additive can be made in grinding by rocking for grinding drum, keep additive to be uniformly mixed.
2. the present invention can avoid the side wall of adherency grinding drum in additive in grinding by the use of vibration device
On, it is convenient for blanking.
3. the present invention is by the use of servo cylinder, the distance between adjustable roll shaft and grinding drum, to adjust to adding
The fineness for adding agent to grind.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is the second strut side view of the invention；
Fig. 3 is catch bar side view of the invention；
Fig. 4 is grinding drum cross-sectional view of the invention；
Fig. 5 is pin shaft cross-sectional view of the invention；
Fig. 6 is protective shell cross-sectional view of the invention.
In figure: 1 pedestal, 2 grinding drums, 3 brackets, 4 motors, 5 first struts, 6 second struts, 7 through-holes, 8 strip grooves, 9
Fagging, 10 servo cylinders, 11 connecting plates, 12 fixed links, 13 pin joint structures, 1301 pin holes, 1302 pin shafts, 14 roll shafts, 16 first
Convex block, 17 second convex blocks, 18 transmission devices, 1801 connecting rods, 1802 drive rods, 1803 catch bars, 1804 motion bars, 1805 are slided
Bar, 1806 sliding blocks, 1807 sliding slots, 1808 supporting tables, 19 vibration devices, 1901 vibration motors, 1902 protective shells, 20 discharge nozzles,
21 valves, 22 batteries.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, the present invention provides a kind of technical solution: a kind of adjustable hardware product additive grinding device,
Including pedestal 1 and grinding drum 2, the upper end of the pedestal 1 is separately installed with bracket 3 and motor 4, and is equipped on the bracket 3
One strut 5 and the second strut 6 offer through-hole 7 on first strut 5, and grinding drum 2 can be made to rotate around through-hole, and described the
Strip groove 8 is offered on two struts 6, grinding drum 2 can be allow to be displaced while sliding around strip groove 8 to grinding drum 2
Limit, support plate 9 is installed in the upper end of the bracket 3, servo cylinder 10 is installed in the support plate 9, convenient for additive into
Accurately grinding fineness is adjusted row, and one end of the servo cylinder 10 is fixedly connected with connecting plate 11, the connecting plate 11
Bottom is equipped with fixed link 12, and one end of the fixed link 12 is sequentially connected with roll shaft 14 by pin joint structure 13, it is ensured that
Roll shaft 14 keeps rotation in grinding, and the roll shaft 14 is located at the inside of grinding drum 2, and the side of the grinding drum 2 is fixedly mounted
There is the first convex block 16 and the second convex block 17 to match respectively with through-hole 7 and strip groove 8, rotates socket on second convex block 17
There is transmission device 18, by the way that transmission device 18 is provided with two groups, it is ensured that the stability of device, the transmission device 18 wrap
Include connecting rod 1801, drive rod 1802, catch bar 1803 and motion bar 1804, one end and the motor 4 of the transmission device 18
Shaft is fixedly connected, and the bottom of the grinding drum 2 is fixedly installed with vibration device 19, and the vibration device 19 includes vibration motor
1901 and protective shell 1902.
Specifically, the vibration motor 1901 is installed in protective shell 1902, the protective shell 1902 is installed on grinding drum 2
On, by the effect of vibrating motor 1901, the side wall adhesive additive of grinding drum 2 can be simply and easily avoided, convenient for grinding
And blanking.
Specifically, the side of the drive rod 1802 is installed in the shaft of motor 4, the other side of the drive rod 1802
It is fixedly installed with slide bar 1805, one end of the catch bar 1803 is fixedly installed with sliding block 1806, the side of the sliding block 1806
The sliding slot 1807 to match with slide bar 1805 is offered, the other end of the catch bar 1803 is hinged with motion bar 1804, described
It is hinged with connecting rod 1801 on catch bar 1803, one end of the connecting rod 1801 and motion bar 1804, which rotates, is socketed on second
On convex block 17, the bottom of the catch bar 1803 has been fitted and connected supporting table 1808, and the supporting table 1808 is installed on pedestal 1
On, it drives drive rod 1802 to rotate by motor 4, rotates drive rod 1802 around sliding slot 1807, catch bar 1803 is driven to be bonded
Supporting table 1808 is slided back and forth, so that grinding drum 2 be made to swing, can effectively be spread out the additive grinding in grinding drum 2, then
It concentrates, avoids the side wall of additive adhesion grinding drum 2.
Specifically, the bottom of the grinding drum 2 is equipped with discharge nozzle 20, valve 21 is installed on the discharge nozzle 20, is led to
It crosses and sets taper for discharge nozzle 20, be convenient for blanking, it is user-friendly.
Specifically, the roll shaft 14 is provided with three groups, and roll shaft 14 described in three groups is fitted and connected with grinding drum 2, convenient for pair
Additive is ground, while the grinding to additive can be kept when grinding drum 2 is swung.
Specifically, first convex block 16 and the second convex block 17 are cylindrical, first convex block 16 and the second convex block 17
It is provided with two groups, and the quantity phase of the quantity of first strut 5 and the second strut 6 and the first convex block 16 and the second convex block 17
Together, it is ensured that the stability of device, it is user-friendly.
Specifically, the connecting rod 1801, motion bar 1804 and catch bar 1803 are arranged in three-link, it is ensured that grinding
The stability that grinding barrel 2 pushes and pulls, it is user-friendly.
Specifically, being fixedly installed with the battery 22 used for vibration device 19 on the grinding drum 2, it is ensured that vibration
The normal use of device 19.
Specifically, the pin joint structure 13 includes pin hole 1301 and pin shaft 1302, the pin hole 1301 is opened in fixed link
On 12, one end of the pin shaft 1302 is fixedly installed in one end of roll shaft 14, and the pin shaft 1302 is plugged in the interior of pin hole 1301
Portion, it is ensured that roll shaft 14 can rotate, convenient for grinding to additive.
Structural principle: the present invention is used cooperatively by transmission device 18 and roll shaft 14, can be simply and easily to addition
Agent is uniformly ground, and is spread out additive grinding by roll shaft 14, then rock grinding drum 2 by transmission device 18, is made
Additive is concentrated again, guarantees that additive is uniformly mixed and uniformly ground.The present invention passes through the use of vibration device 19, can add
Add agent in grinding, on the side wall for avoiding adherency grinding drum 2, is convenient for blanking.The present invention, can be with by the use of servo cylinder 10
It is accurate to adjust the distance between roll shaft 14 and grinding drum 2, to adjust the fineness to additive grinding, user is facilitated to make
With.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of adjustable hardware product additive grinding device, including pedestal (1) and grinding drum (2), it is characterised in that: described
The upper end of pedestal (1) is separately installed with bracket (3) and motor (4), is equipped with the first strut (5) and second on the bracket (3)
Strut (6) is offered through-hole (7) on first strut (5), is offered strip groove (8) on second strut (6), described
Support plate (9) are installed in the upper end of bracket (3), are equipped with servo cylinder (10) on the support plate (9), the servo cylinder (10)
One end be fixedly connected with connecting plate (11), the bottom of the connecting plate (11) is equipped with fixed link (12), the fixed link
(12) one end is sequentially connected with roll shaft (14) by pin joint structure (13), and the roll shaft (14) is located at the inside of grinding drum (2),
The side of the grinding drum (2) is fixedly installed with the first convex block (16) to match respectively with through-hole (7) and strip groove (8) and
Two convex blocks (17) are rotated on second convex block (17) and are socketed with transmission device (18), and the transmission device (18) includes connection
Bar (1801), drive rod (1802), catch bar (1803) and motion bar (1804), one end of the transmission device (18) and motor
(4) shaft is fixedly connected, and the bottom of the grinding drum (2) is fixedly installed with vibration device (19), the vibration device (19)
Including vibration motor (1901) and protective shell (1902).
2. a kind of adjustable hardware product additive grinding device according to claim 1, it is characterised in that: the vibration
Motor (1901) is installed in protective shell (1902), and the protective shell (1902) is installed on grinding drum (2).
3. a kind of adjustable hardware product additive grinding device according to claim 1, it is characterised in that: the transmission
The side of bar (1802) is installed in the shaft of motor (4), and the other side of the drive rod (1802) is fixedly installed with slide bar
(1805), one end of the catch bar (1803) is fixedly installed with sliding block (1806), and the side of the sliding block (1806) offers
The other end of the sliding slot (1807) to match with slide bar (1805), the catch bar (1803) is hinged with motion bar (1804), institute
It states and is hinged on catch bar (1803) connecting rod (1801), one end of the connecting rod (1801) and motion bar (1804) rotates
It is socketed on the second convex block (17), the bottom of the catch bar (1803) has been fitted and connected supporting table (1808), the supporting table
(1808) it is installed on pedestal (1).
4. a kind of adjustable hardware product additive grinding device according to claim 1, it is characterised in that: the grinding
The bottom of bucket (2) is equipped with discharge nozzle (20), is equipped with valve (21) on the discharge nozzle (20).
5. a kind of adjustable hardware product additive grinding device according to claim 1, it is characterised in that: the roll shaft
(14) three groups are provided with, and roll shaft described in three groups (14) is fitted and connected with grinding drum (2).
6. a kind of adjustable hardware product additive grinding device according to claim 1, it is characterised in that: described first
Convex block (16) and the second convex block (17) are cylindrical, and first convex block (16) and the second convex block (17) are provided with two groups, and
The quantity of first strut (5) and the second strut (6) is identical as the quantity of the first convex block (16) and the second convex block (17).
7. a kind of adjustable hardware product additive grinding device according to claim 1, it is characterised in that: the connection
Bar (1801), motion bar (1804) and catch bar (1803) are arranged in three-link.
8. a kind of adjustable hardware product additive grinding device according to claim 1, it is characterised in that: the grinding
The battery (22) used for vibration device (19) is fixedly installed on bucket (2).
9. a kind of adjustable hardware product additive grinding device according to claim 1, it is characterised in that: the pin joint
Structure (13) includes pin hole (1301) and pin shaft (1302), and the pin hole (1301) is opened on fixed link (12), the pin shaft
(1302) one end is fixedly installed in one end of roll shaft (14), and the pin shaft (1302) is plugged in the inside of pin hole (1301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811586225.4A CN109622181A (en) | 2018-12-25 | 2018-12-25 | A kind of adjustable hardware product additive grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811586225.4A CN109622181A (en) | 2018-12-25 | 2018-12-25 | A kind of adjustable hardware product additive grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109622181A true CN109622181A (en) | 2019-04-16 |
Family
ID=66077040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811586225.4A Pending CN109622181A (en) | 2018-12-25 | 2018-12-25 | A kind of adjustable hardware product additive grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109622181A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961178A (en) * | 2019-11-29 | 2020-04-07 | 安徽易码数据科技有限公司 | Convenient milling equipment for vegetable and fruit ferment of adjusting |
| CN111036925A (en) * | 2019-12-13 | 2020-04-21 | 安徽哈特三维科技有限公司 | Collecting device is used in preparation of titanium alloy powder |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5779873A (en) * | 1980-11-04 | 1982-05-19 | Hoobuetsukusu Bv | Grating roller |
| CN204724239U (en) * | 2015-05-22 | 2015-10-28 | 四川省江油市蜀玉实业有限公司 | A kind of noise reduction disintegrating machine |
| CN107008552A (en) * | 2017-06-16 | 2017-08-04 | 长沙鼎成新材料科技有限公司 | A kind of efficient Chinese medicine crushing grinding device for being easy to blanking |
| CN107537635A (en) * | 2017-09-29 | 2018-01-05 | 武汉马腾科技发展有限公司 | A kind of Chinese medicinal material efficient grinding device |
| CN107899669A (en) * | 2017-11-24 | 2018-04-13 | 陕西科技大学 | A kind of food processing wheat flour milling equipment |
| CN207238076U (en) * | 2017-09-17 | 2018-04-17 | 郭丕贤 | A kind of tealeaves crusher |
| CN208146096U (en) * | 2018-03-14 | 2018-11-27 | 呼伦贝尔金膳食品有限公司 | Gruel grinding raw material device |
-
2018
- 2018-12-25 CN CN201811586225.4A patent/CN109622181A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5779873A (en) * | 1980-11-04 | 1982-05-19 | Hoobuetsukusu Bv | Grating roller |
| CN204724239U (en) * | 2015-05-22 | 2015-10-28 | 四川省江油市蜀玉实业有限公司 | A kind of noise reduction disintegrating machine |
| CN107008552A (en) * | 2017-06-16 | 2017-08-04 | 长沙鼎成新材料科技有限公司 | A kind of efficient Chinese medicine crushing grinding device for being easy to blanking |
| CN207238076U (en) * | 2017-09-17 | 2018-04-17 | 郭丕贤 | A kind of tealeaves crusher |
| CN107537635A (en) * | 2017-09-29 | 2018-01-05 | 武汉马腾科技发展有限公司 | A kind of Chinese medicinal material efficient grinding device |
| CN107899669A (en) * | 2017-11-24 | 2018-04-13 | 陕西科技大学 | A kind of food processing wheat flour milling equipment |
| CN208146096U (en) * | 2018-03-14 | 2018-11-27 | 呼伦贝尔金膳食品有限公司 | Gruel grinding raw material device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961178A (en) * | 2019-11-29 | 2020-04-07 | 安徽易码数据科技有限公司 | Convenient milling equipment for vegetable and fruit ferment of adjusting |
| CN111036925A (en) * | 2019-12-13 | 2020-04-21 | 安徽哈特三维科技有限公司 | Collecting device is used in preparation of titanium alloy powder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109622181A (en) | A kind of adjustable hardware product additive grinding device | |
| CN207562989U (en) | A kind of soybean grinding device for preventing bean powder wall built-up | |
| CN207359160U (en) | A kind of high efficiency cutting machine for plastic processing | |
| CN209631316U (en) | A kind of cereal milling and screening installation | |
| CN208328455U (en) | A kind of cleaning device for garment production | |
| CN109012875A (en) | A kind of mung bean milling device | |
| CN208527283U (en) | A kind of quartz mixture particle sieving grinding device | |
| CN207591695U (en) | A kind of pearl nickel photo etching production mixing arrangement | |
| CN206356528U (en) | A kind of puddle mixer of new mulling efficiency high | |
| CN107913770B (en) | Grinding device for preparing composite material for additive manufacturing bone scaffold | |
| CN210303292U (en) | Agitating unit of pharmaceutical production usefulness | |
| CN210279343U (en) | Ball-milling device is used in titanium white powder production | |
| CN210079866U (en) | Spraying and gluing equipment for abrasive cloth abrasive paper roll | |
| CN216987346U (en) | Automatic compounding device of rostone diamond stone cylinder | |
| CN109046593A (en) | A kind of Municipal Engineering Construction avoiding dust pollution stone crushing device | |
| CN202746858U (en) | Support seat and cylinder | |
| CN209312151U (en) | A kind of rotary display stand and automatic fresh coconut palm vending machine | |
| CN203956650U (en) | Ceramic tip edging device | |
| CN210375141U (en) | Surveying, mapping, surveying and mapping lofting device | |
| CN112158367A (en) | Eye cosmetic eye shadow preparation processing system | |
| CN208844965U (en) | A kind of support device of architectural engineering | |
| CN205886738U (en) | Roller bearing blendor for pottery research and development experiments | |
| CN206215422U (en) | A kind of roller spray equipment | |
| CN106106600B (en) | A kind of multiple roll grinding machine | |
| CN104117879A (en) | Edge forming device for ceramic tip |
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 |