CN109127618B - Middle school chemistry teaching instrument belt cleaning device - Google Patents
Middle school chemistry teaching instrument belt cleaning device Download PDFInfo
- Publication number
- CN109127618B CN109127618B CN201810822628.8A CN201810822628A CN109127618B CN 109127618 B CN109127618 B CN 109127618B CN 201810822628 A CN201810822628 A CN 201810822628A CN 109127618 B CN109127618 B CN 109127618B
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- Prior art keywords
- test tube
- fixed
- hole
- cleaning
- rocker
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
- B08B9/36—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by using brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
- B08B9/22—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by soaking alone
Abstract
The invention discloses a cleaning device for a middle school chemistry teaching instrument, which comprises a support, a fixing mechanism for fixing a test tube, a conveying mechanism for conveying the test tube and a cleaning mechanism for cleaning the test tube, wherein the fixing mechanism comprises a positioning seat, a bolt and a fixing strip, the top of the positioning seat is provided with a positioning hole for positioning the test tube, the bolt penetrates through a connecting hole and then is in threaded connection with a threaded hole so as to shrink the fixing strip into an annular structure, the test tube is fixed in the annular structure, the cleaning mechanism comprises a cleaning frame, an air cylinder, a brush motor and a brush, the cleaning frame is arranged on one side of the support, the air cylinder is arranged on the cleaning frame and is positioned above the positioning seat, the brush motor is fixed on a pushing rod of the air cylinder, the brush is fixed on a rotating shaft of. Through the arrangement, the test tube is automatically washed, so that liquid in the test tube is prevented from splashing to damage the body health of students when the test tube is washed, and the probability of the students being injured by chemical reagents is reduced.
Description
Technical Field
The invention relates to experimental equipment, in particular to a cleaning device for a chemical teaching instrument for middle schools.
Background
At present, in the chemical laboratory of middle school, the test tube obtains extensive application, and the test tube can the direct heating, is used as the reaction vessel of a small amount of reagent, after the experiment, after pouring the waste liquid in the test tube, needs wash the test tube.
However, the chemical reagent remaining in the test tube is easily spilled out during cleaning, and harms the health of students.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a cleaning device for a chemical teaching instrument for middle schools, which can automatically clean test tubes and reduce the probability of students being injured by chemical reagents.
In order to achieve the purpose, the invention provides the following technical scheme: a cleaning device for chemical teaching instruments in middle school comprises a bracket, a fixing mechanism for fixing test tubes, a conveying mechanism for conveying test tubes and a cleaning mechanism for cleaning test tubes, wherein the conveying mechanism comprises a rotary motor, a main shaft, a rotary disc, a driving gear and a driven gear, the main shaft is rotatably arranged on the bracket, the rotary disc is coaxially fixed on the main shaft, the rotary motor is fixed on the bracket, the driving gear is coaxially fixed with a rotating shaft of the rotary motor, the driven gear is coaxially fixed with the main shaft and is meshed with the driving gear, so as to drive the rotary disc to rotate when the rotary motor rotates, the fixing mechanism comprises a positioning seat, a bolt, a nut and a fixing strip with elasticity, the positioning seat is fixed on the rotary disc, a positioning hole for positioning the test tube is formed in the top of the positioning seat, the fixing strip is fixed at the top end, the other end is provided with threaded hole, the bolt passes behind the connecting hole with screw hole threaded connection to shrink the fixed strip and form annular structure, fix the test tube in annular structure, wiper mechanism includes the wash rack, first cylinder, brush motor and brush, the wash rack sets up the one side at the support, first cylinder setting is on the wash rack and is located the positioning seat top, the brush motor is fixed on the catch bar of first cylinder, the brush is fixed in the pivot of brush motor, brush motor drive brush rotates.
As a further improvement of the invention, the bottom of the bracket is provided with a positioning groove, the bottom of the cleaning frame is provided with a positioning block, and the positioning block is embedded into the positioning groove to position the bracket and the cleaning frame.
As a further improvement of the invention, the invention also comprises a water injection device, the water injection device comprises a chassis, a water tank and a valve, the chassis is arranged at one side of the bracket, the water tank is arranged on the chassis and is positioned above the positioning seat, the valve comprises a valve body, a second cylinder, a plug, a spring and a rocker, the valve body is fixed on the water tank, a flow channel is arranged in the valve body, one end of the flow channel is communicated with the water tank, the other end of the flow channel is provided with a water outlet, the water outlet is positioned right above the positioning seat, the top end of the valve body is provided with a mounting hole extending along the vertical direction, the mounting hole is communicated with the flow channel, one side of the mounting hole is provided with a plug hole communicated with the mounting hole and the flow channel, the plug is arranged in the plug hole in a sliding way, the rocker is arranged in the mounting hole, the middle part of the rocker is hinged, one end of the spring is abutted against the bottom of the mounting hole, the other end of the spring is abutted against the wane, the second cylinder is arranged on the water tank and is positioned above the wane, and when a push rod of the second cylinder extends out, the wane is pushed to turn over, so that the plug is driven to slide back to the flow channel, and the flow channel is opened; when the catch bar return of second cylinder, the spring promotes the wane return, drives the stopper and slides towards the runner to cut off the runner.
As a further improvement of the invention, the turntable is provided with a plurality of through holes.
The test tube fixing device has the beneficial effects that after the chemical reagent in the test tube is poured, a student enables the test tube to pass through the fixing strip and put into the positioning hole, then the bolt is locked, the fixing strip is contracted, the fixing strip clamps the test tube, the test tube is fixed, then water is added into the test tube, the operation is repeated in the above way, the test tube is put on the turntable, and then the device is started. The cylinder pushes the brush motor and the brush to move towards the test tube until the brush completely extends into the test tube, and then the brush motor is started to drive the brush to rotate to wash the test tube. After one test tube is washed, the brush motor stops, the air cylinder returns, the rotating motor is started to drive the rotary table to rotate, the next test tube is moved to the bottom of the brush, and the next test tube is washed. This was repeated to wash the test tubes. After the cleaning is finished, the students pour the residual liquid in the test tube and wash the residual liquid clean. Through the arrangement, the test tube is automatically washed, so that liquid in the test tube is prevented from splashing to damage the body health of students when the test tube is washed, and the probability of the students being injured by chemical reagents is reduced.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is an overall view of another aspect of the present invention;
fig. 3 is a block diagram of the water tank and valve.
Detailed Description
The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.
Referring to fig. 1 to 3, a cleaning device for chemical teaching instruments in middle school of this embodiment includes a bracket 1, a fixing mechanism 2 for fixing a test tube, a conveying mechanism 3 for conveying a test tube, and a cleaning mechanism 4 for cleaning a test tube, where the conveying mechanism 3 includes a rotary motor 31, a spindle 32, a turntable 33, a driving gear 34, and a driven gear 35, the spindle 32 is rotatably disposed on the bracket 1, the turntable 33 is coaxially fixed on the spindle 32, the rotary motor 31 is fixed on the bracket 1, the driving gear 34 is coaxially fixed with a rotating shaft of the rotary motor 31, the driven gear 35 is coaxially fixed with the spindle 32 and is engaged with the driving gear 34 to drive the turntable 33 to rotate when the rotary motor 31 rotates, the fixing mechanism 2 includes a positioning seat 21, a bolt 22, a nut, and a fixing strip 23 having elasticity, the positioning seat 21 is fixed on the turntable 33, a positioning hole 24 for positioning a test tube is opened at the, the fixed strip 23 is fixed on the top of positioning seat 21 and is arc-shaped in a bending manner, the one end of fixed strip 23 is provided with a connecting hole, the other end is provided with a threaded hole, bolt 22 passes behind the connecting hole and is in threaded connection with the threaded hole, form a ring structure with shrink fixed strip 23, fix the test tube in the ring structure, wiper mechanism 4 includes wash rack 41, first cylinder 42, brush motor 43 and brush 44, wash rack 41 sets up the one side at support 1, first cylinder 42 sets up on wash rack 41 and is located positioning seat 21 top, brush motor 43 fixes on the catch bar of first cylinder 42, brush 44 is fixed in brush motor 43's pivot, brush motor 43 drives brush 44 and rotates.
After pouring the chemical reagent in the test tube, the student passes the test tube fixed strip 23, puts into the locating hole 24 in, then locks bolt 22, contracts fixed strip 23, and fixed strip 23 blocks the test tube, and is fixed with the test tube, then adds water in to the test tube, so reciprocal, all put carousel 33 with the test tube on, then starting apparatus. The first cylinder 42 pushes the brush motor 43 and the brush 44 to move towards the test tube until the brush 44 is fully inserted into the test tube, and then the brush motor 43 is started to drive the brush 44 to rotate to wash the test tube. After one test tube is washed, the brush motor 43 is stopped, the first cylinder 42 is returned, the rotating motor 31 is started to drive the turntable 33 to rotate, and the next test tube is moved to the bottom of the brush 44 to wash the next test tube. This was repeated to wash the test tubes. After the cleaning is finished, the students pour the residual liquid in the test tube and wash the residual liquid clean. Through the arrangement, the test tube is automatically washed, so that liquid in the test tube is prevented from splashing to damage the body health of students when the test tube is washed, and the probability of the students being injured by chemical reagents is reduced.
As a modified specific embodiment, the bottom of the bracket 1 is provided with a positioning groove 11, the bottom of the cleaning rack 41 is provided with a positioning block 12, and the positioning block 12 is embedded into the positioning groove 11 to position the bracket 1 and the cleaning rack 41.
Through the setting of constant head tank 11 and locating piece 12, with wash rack 41 and support 1 location, make each spare part have a corresponding benchmark, make things convenient for the student to organize equipment. And the positioning block 12 and the positioning groove 11 play a certain fixing role to prevent the equipment from being separated due to vibration when in use.
As an improved specific embodiment, the water injection device 5 is further included, the water injection device 5 includes a chassis 51, a water tank 52 and a valve 53, the chassis 51 is disposed at one side of the bracket 1, the water tank 52 is disposed on the chassis 51 and above the positioning seat 21, the valve 53 includes a valve body 531, a second cylinder 532, a plug 533, a spring 534 and a rocker 535, the valve body 531 is fixed on the water tank 52, a flow passage 536 is disposed in the valve body 531, one end of the flow passage 536 is communicated with the water tank 52, the other end of the flow passage 536 is provided with a water outlet 537, the water outlet 537 is located right above the positioning seat 21, a mounting hole 538 extending in a vertical direction is disposed at a top end of the valve body 531, the mounting hole 538 is communicated with the flow passage 536, a plug 539 communicated with the mounting hole 538 and the flow passage 536 is disposed at one side of the mounting hole 538, the plug 533 is slidably disposed in the plug 539, the rocker 535 is, one end of the rocker 535 extends into the plug hole 539 to be hinged with the plug 533, the spring 534 is arranged in the mounting hole 538 and is positioned at one end of the rocker 535, which is back to the plug 533, one end of the spring 534 is abutted against the bottom of the mounting hole 538, the other end of the spring 534 is abutted against the rocker 535, the second cylinder 532 is arranged on the water tank 52 and is positioned above the rocker 535, when a push rod of the second cylinder 532 extends, the rocker 535 is pushed to turn over, the plug 533 is driven to slide back to the flow passage 536, and the flow passage 536 is opened; when the push rod of the second cylinder 532 returns, the spring 534 pushes the rocker 535 to return, and the plug 533 is driven to slide toward the flow passage 536, thereby blocking the flow passage 536.
Before washing the test tube, fill up water with water tank 52 earlier, then adorn the test tube on carousel 33, then operating personnel starting equipment, second cylinder 532 promotes the one end of wane 535, drive wane 535 and rotate, wane 535 drives stopper 533 and removes, makes stopper 533 leave runner 536, thereby makes runner 536 unblocked, the water in the water tank 52 flows into the test tube from delivery port 537 in, the water injection volume can be controlled by the operating time of the second cylinder 532 of air control equipment control, thereby make the water injection volume be fit for the washing of test tube. After the water injection is completed, the turntable 33 rotates to move the test tube to below the brush 44, and the cleaning mechanism 4 cleans the test tube. Through the setting, automatic to the intraductal water injection of test tube, reduce operating personnel's operation, when carrying out a large amount of tube cleaning, can improve the cleaning efficiency, and through opening and close of second cylinder 532 control stopper 533, the steerable water yield that pours into the test tube makes the water injection volume just suitable, using water wisely.
As a modified specific embodiment, the turntable 33 is provided with a plurality of through holes.
The bearing of carousel 33 is little, through the setting of through-hole, in reasonable scope, reduces the weight of carousel 33, reduces the consumption of material, practices thrift the cost, and carousel 33 weight reduction back, the reducible motor rotates the required energy that consumes of carousel 33.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (3)
1. The utility model provides a middle school chemistry teaching instrument belt cleaning device which characterized in that: including support (1), fixed establishment (2) that are used for fixing the test tube, conveying mechanism (3) that are used for carrying the test tube and wiper mechanism (4) that are used for rinsing the test tube, conveying mechanism (3) include rotating electrical machines (31), main shaft (32), carousel (33), driving gear (34) and driven gear (35), main shaft (32) rotate and set up on support (1), carousel (33) coaxial fixation is on main shaft (32), rotating electrical machines (31) are fixed on support (1), driving gear (34) and rotating electrical machines (31)'s pivot coaxial fastening, driven gear (35) and main shaft (32) coaxial fastening and with driving gear (34) meshing to drive carousel (33) when rotating electrical machines (31) rotate and rotate,
the fixing mechanism (2) comprises a positioning seat (21), a bolt (22), a nut and an elastic fixing strip (23), the positioning seat (21) is fixed on a turntable (33), a positioning hole (24) for positioning the test tube is formed in the top of the positioning seat (21), the fixing strip (23) is fixed at the top end of the positioning seat (21) and is bent into an arc shape, one end of the fixing strip (23) is provided with a connecting hole, the other end of the fixing strip is provided with a threaded hole, the bolt (22) penetrates through the connecting hole and is in threaded connection with the threaded hole so as to shrink the fixing strip (23) into an annular structure, and the test tube is fixed in the annular structure,
the cleaning mechanism (4) comprises a cleaning frame (41), a first air cylinder (42), a brush motor (43) and a brush (44), the cleaning frame (41) is arranged on one side of the support (1), the first air cylinder (42) is arranged on the cleaning frame (41) and is positioned above the positioning seat (21), the brush motor (43) is fixed on a push rod of the first air cylinder (42), the brush (44) is fixed on a rotating shaft of the brush motor (43), the brush motor (43) drives the brush (44) to rotate,
still include water injection device (5), water injection device (5) include chassis (51), water tank (52) and valve (53), chassis (51) set up the one side at support (1), water tank (52) set up on chassis (51) and are located the top of positioning seat (21), valve (53) include valve body (531), second cylinder (532), stopper (533), spring (534) and wane (535), valve body (531) are fixed on water tank (52), be provided with runner (536) in valve body (531), the one end and the water tank (52) intercommunication of runner (536), the other end are provided with delivery port (537), delivery port (537) are located positioning seat (21) directly over, mounting hole (538) along vertical direction extension is seted up to the top of valve body (531), mounting hole (538) and runner (536) intercommunication, one side of the mounting hole (538) is provided with a plug hole (539) communicated with the mounting hole (538) and the flow channel (536), the plug (533) is arranged in the plug hole (539) in a sliding manner, the rocker (535) is arranged in the mounting hole (538), the middle of the rocker (535) is hinged to the wall of the mounting hole (538), one end of the rocker (535) extends into the plug hole (539) to be hinged to the plug (533), the spring (534) is arranged in the mounting hole (538) and is located at one end of the rocker (535) opposite to the plug (533), one end of the spring (534) is abutted to the bottom of the mounting hole (538), the other end of the spring is abutted to the rocker (535), the second cylinder (532) is arranged on the water tank (52) and is located above the rocker (535), and when a push rod of the second cylinder (532) extends out, the rocker (535) is pushed to overturn the plug (535) to drive the flow channel (536) to slide back, thereby opening the flow passage (536); when the push rod of the second cylinder (532) returns, the spring (534) pushes the rocker (535) to return, and the plug (533) is driven to slide towards the flow passage (536), so that the flow passage (536) is cut off.
2. The apparatus for cleaning chemical teaching instruments in middle school according to claim 1, wherein: the bottom of support (1) is provided with constant head tank (11), the bottom of wash rack (41) is provided with locating piece (12), and locating piece (12) embedding constant head tank (11) are fixed a position support (1) and wash rack (41) mutually.
3. The apparatus for cleaning chemical teaching instruments in middle school according to claim 2, wherein: the turntable (33) is provided with a plurality of through holes.
Priority Applications (1)
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CN201810822628.8A CN109127618B (en) | 2018-07-24 | 2018-07-24 | Middle school chemistry teaching instrument belt cleaning device |
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CN201810822628.8A CN109127618B (en) | 2018-07-24 | 2018-07-24 | Middle school chemistry teaching instrument belt cleaning device |
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CN109127618A CN109127618A (en) | 2019-01-04 |
CN109127618B true CN109127618B (en) | 2020-05-12 |
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CN201810822628.8A Active CN109127618B (en) | 2018-07-24 | 2018-07-24 | Middle school chemistry teaching instrument belt cleaning device |
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FR1575681A (en) * | 1967-06-28 | 1969-07-25 | Giovanni Conte | |
CN2437049Y (en) * | 2000-07-07 | 2001-06-27 | 中国人民解放军海军工程学院 | Water-filling device for accumulator of submarine |
CN204365677U (en) * | 2014-12-12 | 2015-06-03 | 中国石油大学(华东) | Test tube cleaning machine |
CN205146830U (en) * | 2015-11-10 | 2016-04-13 | 深圳市华生元基因工程发展有限公司 | A bottle cleaning machine for medical bottle |
CN205701776U (en) * | 2016-04-22 | 2016-11-23 | 张丽琴 | A kind of chemical experiment test tube rotary cleaning device |
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CN207430838U (en) * | 2017-08-17 | 2018-06-01 | 庞胜宇 | A kind of chemical experiment test tube cleaning device with disinfection function |
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CN107900052A (en) * | 2017-12-18 | 2018-04-13 | 李艳芝 | A kind of high school's chemical experiment beaker cleaning device |
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