CN107764581B - Sample collection device - Google Patents
Sample collection device Download PDFInfo
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- CN107764581B CN107764581B CN201610708057.6A CN201610708057A CN107764581B CN 107764581 B CN107764581 B CN 107764581B CN 201610708057 A CN201610708057 A CN 201610708057A CN 107764581 B CN107764581 B CN 107764581B
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- sample collection
- barrel
- cover opening
- sample
- rotary
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- 238000004140 cleaning Methods 0.000 claims abstract description 61
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 238000005303 weighing Methods 0.000 claims abstract description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000741 silica gel Substances 0.000 claims description 10
- 229910002027 silica gel Inorganic materials 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 24
- 230000008569 process Effects 0.000 description 22
- 238000002360 preparation method Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012864 cross contamination Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
-
- 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
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/52—Weighing apparatus combined with other objects, e.g. furniture
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a sample collection device, which comprises a bracket (1), a driving device (2) arranged at the center of the bracket (1), and a rotary disc (23) arranged above the bracket (1) and arranged on the driving device (2); a sample collection barrel device (3) suspended below the outer periphery of the rotary disk (23); the cover opening device (4) is arranged at the outer side of the sample collection barrel device (3); the upper sealing cover (5) is arranged above the rotary disc (23) and the sample collection barrel device (3) and is used for sealing all the sample collection barrel devices (3), and the upper sealing cover (5) is fixedly connected with the bracket (1); and the cleaning device (6) is arranged on the upper surface of the upper cover (5) and used for automatically cleaning the sample collection barrel device (3), the cleaning device comprises a brush (61) which can move up and down and rotate, and the brush (61) is positioned right above the cleaning through hole (51). The invention has simple and compact structure and automatic weighing and cleaning functions.
Description
Technical Field
The invention relates to the field of coal sampling and sample preparation, in particular to a sample collection device with weighing and automatic cleaning functions.
Background
In the field of coal sampling and sample preparation, due to the use of a belt continuous sampling system and an unattended combined sample preparation system, when different batches of coal samples are clamped between the coal samples of the same train number, the sampling and sample preparation system is closed, and the batch switching of the coal samples is performed manually. Therefore, the labor intensity of manual action is increased, the conditions of discontinuity and more human interference factors exist in the whole sample preparation process, and the energy consumption is excessive when large-scale equipment is frequently started and stopped, and meanwhile, the normal use of the equipment is not facilitated.
The application number 201520576838.5 discloses a rotary sample collection device which comprises a rotary platform capable of rotating on a horizontal plane and at least three groups of sample collection barrels arranged on the rotary platform; the upper part and the lower part of each sample collection barrel are respectively provided with a sliding plate door with a clamping hook, which can move horizontally; the device also comprises an upper feeding chute, a lower discharging chute and an upper lead screw transmission structure and a lower lead screw transmission structure, wherein the bottom of the upper feeding chute is provided with a sliding door which horizontally slides, and the sliding door can be in linkage with a sliding plate door with a clamping hook at the upper part of a sample collection barrel which enters a working position; each group of screw rod transmission structure drives a U-shaped hook plate to do linear reciprocating motion along the horizontal direction respectively, and the U-shaped hook plates of the upper and lower groups of screw rod transmission structures can be connected with sliding plate doors with hooks on the upper and lower parts of a sample collection barrel at the working position in a traction manner respectively. The sample collection device can realize automatic action and realize automatic switching of sample batch change. But because of the reason of operation environment, the slip track in the translation sliding door structure easily gets into dust and buggy, easily to blocking the sliding door to cause equipment failure, the slip track assembly precision is high simultaneously, and circular collection appearance bucket is difficult to guarantee when its tip welding linear slide rail precision, easily produces welding deformation.
The existing sample collection device is not provided with weighing and cleaning functions, so that a weighing device is required to be arranged independently in the sample preparation process, and the complexity of a production line is increased; meanwhile, after the sample batch is replaced for a certain number of times, the sample collection device is required to be stopped for sample cleaning, so that the labor intensity is increased, and the automatic production of a production line and the development of an unattended combined sample preparation system are not facilitated.
Disclosure of Invention
The invention aims at solving the problems that a sliding rail in a sliding door structure with a clamping hook above a sample collection barrel easily enters dust and coal dust and easily blocks the sliding door, so that equipment is in fault, meanwhile, the assembly precision of the sliding rail is high, the precision of a round sample collection barrel is difficult to ensure when a linear sliding rail is welded at the end part of the round sample collection barrel, welding deformation is easy to occur, and an existing sample preparation system cannot clean the sample collection barrel, so that cross contamination of samples in different batches is caused.
The second purpose of the invention is to solve the problem that the existing sample collecting device can not measure the weight of the samples collected in the sample collecting barrel.
The third purpose of the invention is to solve the problems that the manufacturing precision of the guide rail of the sliding cover at the lower end of the sample collecting barrel in the sample collecting device is difficult to ensure and dust is easy to block in the guide rail.
In order to achieve the first object of the present invention, the present invention provides a sample collection device, comprising a bracket, a driving device installed at the center of the bracket, the driving device comprising a rotary disk positioned above the bracket; at least three groups of sample collection barrel devices suspended below the periphery of the rotary disc; at least one group of cover opening devices arranged outside the sample collection barrel device; the upper sealing cover is fixedly connected with the bracket, and a cleaning through hole and a feeding through hole which have the same shape as the feeding hole of the sample collecting barrel device are arranged on the upper sealing cover at the position corresponding to the feeding hole of the sample collecting barrel device; and the cleaning device is arranged on the upper surface of the upper sealing cover and used for automatically cleaning the sample collection barrel device, and comprises a brush which can move up and down and rotate, and the brush is positioned right above the cleaning through hole.
According to the sample collection device, as an optimal mode, the cleaning device further comprises a rotating motor for driving the hairbrush to rotate, and the rotating motor is arranged on the motor mounting frame; the lifting electric rod drives the brush to move up and down through the sliding block, and the lifting electric rod is arranged on the mounting seat. The brush can rotate when moving up and down, can clean the inner wall of the sample collection barrel device comprehensively, and prevents sample residues from polluting.
According to the sample collecting device, as an optimal mode, the cleaning device further comprises a sample collecting hopper which is positioned right below the hairbrush. The sample collecting hopper can collect the sample residue cleaned from the inner wall of the sample collecting barrel device by the hairbrush, and prevent the sample residue from polluting the environment.
In order to achieve the second object of the present invention, the sample collecting device according to the present invention, as an preferable mode, further comprises a weighing device installed below the support for weighing the material, wherein the weighing device can weigh the sample in the sample collecting process, thereby accurately collecting the weight of the sample, simplifying the sample collecting process, and saving the sample collecting time.
According to the sample collection device, as an optimal mode, the weighing device comprises a base and a weighing module arranged between the base and a bracket. When the sample enters the sample collection barrel device from the feed inlet, the added weight of the sample collection device is transmitted to the weighing module through the support, and the weighing module transmits the weight of the sample to the display equipment through the sensor to be fed back to the user, so that the sample is weighed.
In order to achieve the third object of the present invention, the sample collection device according to the present invention preferably comprises a square barrel, a flange connected to a rotary plate is provided at the upper end of the square barrel, a revolving door provided at the lower end of the square barrel for rotatably opening or closing the opening of the lower end of the square barrel, and a revolving mechanism for driving the revolving door to open or close. The rotary sliding door structure is used for replacing the translational sliding door mechanism, so that the sliding rail can be removed, and the problem that the rail is blocked and equipment faults are generated due to the fact that the sliding rail enters dust can be effectively avoided.
According to the sample collection device, as a preferred mode, the rotating mechanism comprises two cover opening wall plates positioned on two sides of the square barrel, the middle parts of the cover opening wall plates are rotatably arranged on two side surfaces of the square barrel through two cover opening rotary pins, the lower ends of the two cover opening wall plates are connected with two sides of the revolving door, the upper ends of the two cover opening wall plates extend to the outer side of the square barrel and are hinged with a pull rod which is arranged in parallel with the cover opening rotary pins, and a tension spring which can automatically close the revolving door when the pull rod is not stressed is arranged between the cover opening wall plates and the outer wall of the square barrel. The revolving door adopts a hinge pin structure, and the dead weight of the revolving door and the elasticity of the tension spring are utilized to return, so that the revolving door has small rotation contact area and is not easy to be blocked.
According to the sample collection device, as an optimal mode, circular arc chamfers are arranged on the periphery of the square barrel. The square barrel is easier to ensure the overall dimension, the accuracy is easy to control in the assembly and welding processes, the problem that welding deformation further influences the sealing performance of equipment is avoided, and meanwhile, circular arc chamfers are arranged around the square barrel to facilitate cleaning.
According to the sample collection device, as a preferable mode, the cross section of the bottom end of the square barrel is in an arc line+linear shape, the circle center of the arc line is the uncovering rotation pin, and the line is tangent with the lowest point of the arc line.
According to the sample collection device, as an optimal mode, the revolving door is in an arc line and straight line shape and is matched with the cross section shape of the lower end of the square barrel. The revolving door is arc + straight line, can make the revolving door change into upward movement by translation when opening, has saved the space of equipment.
According to the sample collection device, as a preferable mode, the cover opening device comprises a cover opening plate which can move up and down and is used for pressing down a pull rod, the cover opening plate is sleeved on two guide rods which are vertically arranged through a sliding sleeve, the guide rods are fixedly arranged on a guide rod fixing seat, an air cylinder used for driving the cover opening plate to move up and down is arranged at the position, located between the two guide rods, of the cover opening plate, and the air cylinder is fixed at the lower end of the guide rod fixing seat through a hinged support. The adoption of the uncovering device can conveniently open the revolving door at the lower end of the sample collection barrel, and simultaneously the hinged support can enable the air cylinder to automatically adjust the verticality in the vertical displacement process, so that the air cylinder is prevented from being damaged due to the deviation of the vertical angle in the use process.
According to the sample collection device, as an optimal mode, the support comprises the lower base plate and the upper base plate, and at least two support rods are arranged around the space between the upper base plate and the lower base plate. The bracket is used for supporting the whole sample collecting device.
The invention relates to a sample collection device, which is characterized in that a driving device comprises a gear motor fixedly arranged below an upper bottom plate, an output shaft of the gear motor penetrates through the upper bottom plate to be connected with a driving gear, a rotary disc is arranged above the upper bottom plate, a rotary support inner gear ring and a rotary support outer ring which are meshed with the driving gear are arranged at the center of the rotary disc, and a rotary disc is arranged on the rotary outer support ring.
According to the sample collection device, as an optimal mode, the rotary disc is provided with the U-shaped open opening at the circumferential edge and corresponding to the feed inlet of the square barrel. The square barrel is fixedly arranged at the corresponding position of the U-shaped open inlet at the circumferential edge of the rotary disc through the flange, so that samples can smoothly enter the square barrel through the U-shaped open inlet. The U-shaped open type opening has the advantages of being convenient to process and convenient to install the sample collection barrel. Of course, the opening is not limited to this shape, and may be an opening corresponding to the position of the inlet at the upper end of the sample collection barrel, and preferably also corresponding to the shape.
According to the sample collection device, as an optimal mode, the upper sealing cover comprises the top plate and the connecting flange arranged in the middle of the lower end face of the top plate, and the connecting flange penetrates through the center hole of the rotary disc to be fixedly connected with the upper bottom plate. After the sample enters the square barrel, the upper sealing cover can seal the square barrel to prevent sample pollution.
According to the sample collection device, as an optimal mode, the upper sealing cover further comprises a silica gel sealing strip which is arranged at the lower end part of the top plate and corresponds to the end face of the feeding port of the sample collection barrel device. After the sample gets into square bucket inside, the silica gel sealing strip can laminate automatically and seal, and it has improved the sealing performance of upper cover and has prevented sample moisture and volatilize simultaneously.
According to the sample collecting device, as an optimal mode, the sample collecting device further comprises an upper chute fixedly arranged on the upper sealing cover and used for feeding samples, and a lower chute which is arranged below the sample collecting barrel device and fixedly connected with the cover opening device and used for discharging the samples, and the upper chute is fixedly arranged at the feeding through hole. The upper chute and the lower chute have the function of avoiding the scattering of sample materials during feeding and discharging, thereby causing pollution.
According to the sample collection device, as an optimal mode, the cleaning device and the upper sealing cover of the upper chute are symmetrically arranged on the upper sealing cover in a way that the circle center is 180 degrees. The cleaning device and the feeding device are symmetrically arranged, so that the interference of the cleaning device and the feeding device in the operation process can be avoided to the greatest extent, and the continuous operation of the equipment is facilitated. Of course, the space is enough, and the position of 90 degrees or 120 degrees can be adopted, the specific angle of the position depends on the number of sample collection barrels, and the two cover opening devices are preferable.
According to the sample collection device, as an optimal mode, the cover opening device is provided with two groups, and the two groups of cover opening devices are respectively arranged at the positions corresponding to the outer sides of the lower slide pipe and the cleaning device. The cover opening device arranged on the outer side of the lower chute is used for opening the revolving door when discharging samples in the square barrel, and the cover opening device arranged on the outer side of the cleaning device is used for opening the revolving door in the cleaning process so that the residual errors of the samples cleaned by the hairbrush drop to the sample collecting hopper.
The sample collecting device also comprises a position detecting device, wherein the position detecting device comprises an indexing sensor arranged on the upper surface of the upper bottom plate and an indexing sensing point arranged on the lower surface of the rotary disc. The position detection device can position the rotation of the rotary disc, and can effectively prevent the sample collection barrel from being inaccurate in alignment with the silica gel sealing strip to affect the tightness and damage equipment.
In the using process of the sample collection device provided by the invention, a driving gear arranged on an output shaft of a speed reducing motor drives a rotary disc to rotate, when the rotary disc rotates until an indexing sensor is overlapped with an indexing sensing point for positioning, a square barrel is automatically sealed by a silica gel sealing strip, a sample enters the square barrel from an upper chute, a weighing module on a base weighs the sample, and sample introduction is stopped when the weight reaches the required weight, so that sample collection of a first square barrel is completed; the driving gear continues to drive the rotary disc to rotate until the indexing sensor and the indexing sensing point are overlapped and positioned again, the other square barrel is rotated to the lower part of the upper chute, the square barrel is automatically sealed by the silica gel sealing strip, and sample injection is performed again; after the sample injection of all the square barrels is finished, the sample collection is finished; the rotary disc rotates the first square barrel to the lower part of the upper chute, the cover opening plate on the cover opening device is pulled downwards under the action of the air cylinder to drive the cover opening wall plate on the sample collecting barrel device to rotate, so that the revolving door is opened, samples in the square barrel are discharged into the lower chute, and the next procedure is conducted to finish the discharging of the first square barrel; repeating the unloading process until all the square barrels finish unloading; in the unloading process, when the first square barrel is unloaded and rotates to the lower part of the automatic cleaning device, the cover opening plate on the cover opening device is pulled downwards under the action of the air cylinder to drive the cover opening wall plate on the sample collecting barrel device to rotate, so that the revolving door is opened, meanwhile, the rotating motor on the cleaning device starts to rotate, the lifting electric rod descends, and the brush is driven to descend while rotating, so that the residual samples on the inner wall of the square barrel are cleaned and fall into the sample collecting hopper; and repeating the sample cleaning process to finish the sample cleaning work of all the square barrels. The whole sample collection, unloading and cleaning processes can be completed continuously, and automatic operation of equipment is realized.
According to the invention, the sliding plate door with the clamping hook, which corresponds to each sample collecting barrel, above the sample collecting barrel in the existing sample collecting device is changed into an integral upper sealing cover, namely, the rail type sliding plate door is omitted, so that dust is prevented from falling into the rail of the sliding plate door, and the blocking phenomenon is avoided. The integral upper cover has the advantages that the upper cover integrally covers all sample collection barrels, the upper ends of the sample collection barrels are opened only when the sample collection barrels for feeding are rotated to the feeding hole positions, and all the upper parts of other sample collection barrels are covered, so that a screw rod assembly and a U-shaped hook plate which are arranged on a cover opening device and used for opening a sliding plate door with a hook in the prior art are also omitted, and therefore, the integral upper cover has the advantages of simpler structure and better sealing effect; meanwhile, the upper sealing cover is used as a supporting plate of the cleaning device, and the cleaning device is arranged on the upper sealing cover, so that the sample collecting device can automatically clean the square barrel in the sample collecting process, the problem of cross contamination caused by samples of different batches can be effectively avoided, and the cleaning device is simple in structure and can collect samples and clean samples simultaneously.
The weighing device is further arranged on the sample collecting device, so that the sample can be weighed in the sample collecting process, the weight of the collected sample is accurate, the sample collecting process is simplified, and the sample collecting time is saved.
The invention further uses the rotary sliding door structure to replace the translational sliding door mechanism at the lower end of the sample collection barrel in the prior art, so that the sliding rail arranged above and below the sample collection barrel can be removed, the problem that the rail is blocked and equipment is broken down due to dust entering the sliding rail can be effectively avoided, and the defect that the prior art has high requirement on the welding precision of the rail can be avoided. The rotary sliding door has the advantages of simple structure, convenient opening and low requirement on manufacturing precision, thereby reducing production cost.
Drawings
FIG. 1 is an isometric view of a sample collection device;
FIG. 2 is an isometric view of a cleaning device of the sample collection device;
FIG. 3 is an isometric view of a rack, drive and weighing apparatus of the sample collection device;
FIG. 4 is a front view of a rotary plate of the sample collection device;
FIG. 5 is a side view of a sample collection barrel of a sample collection device;
FIG. 6 is a cross-sectional view of a sample collection barrel of a sample collection device;
FIG. 7 is an isometric view of a cover opening device of the sample collection device;
Fig. 8 is an isometric view of an upper cover of the sample collection device.
Reference numerals:
1. A bracket; 11. A lower base plate; 12. An upper base plate; 13. A support rod; 2. A driving device; 21. A speed reducing motor; 22. A drive gear; 23. A rotary plate; 231. A rotary supporting annular gear; 232. The outer gear ring is rotatably supported; 233. A rotating disc; 234. A U-shaped open-type opening; 3. A sample collection barrel device; 31. A square barrel; 311. An arc segment; 312. A straight line segment; 32. A flange; 33. A revolving door; 34. A rotation mechanism; 341. A cover opening wall plate; 342. A cover opening rotary pin; 343. A cover opening pull rod; 344. A tension spring; 4. A cover opening device; 41. Opening the cover plate; 42. A sliding sleeve; 43. A guide rod; 44. A guide rod fixing seat; 45. A cylinder; 46. A hinged support; 5. An upper cover; 52. A feed through; 51. Cleaning the through hole; 53. A top plate; 54. A connecting flange; 55. A silica gel sealing strip; 6. A cleaning device; 61. A brush; 62. A rotating electric machine; 63. A motor mounting rack; 64. Lifting the electric rod; 65. A mounting base; 66. A sample collection and receiving hopper; 7. A weighing device; 71. A base; 72. A weighing module; 81. An upper chute; 82. A lower chute; 9. A position detecting device; 91. An indexing sensor; 92. Indexing the sensing points.
Detailed Description
Example 1
As shown in fig. 1 to 8, the invention provides a sample collection device, which comprises a bracket 1, a driving device 2, a barrel device 3, a cover opening device 4, an upper cover 5, a cleaning device 6, a weighing device 7, an upper chute 81, a lower chute 82 and a detection device 9; the driving device 2 is arranged on the bracket 1 and comprises a rotary disc 23 positioned above the bracket 1, eight groups of sample collection barrel devices 3 are connected with the driving device 2, and the sample collection barrel devices 3 are suspended on the periphery of the rotary disc 23; the two groups of cover opening devices 4 are arranged on the outer side of the sample collecting barrel device 3 and are respectively arranged at the outer side positions of the lower slide pipe 81 and the cleaning device 6, the upper cover 5 is arranged above the sample collecting barrel 3 and is used for sealing all the sample collecting barrel devices 3, the upper cover 5 is fixedly connected with the support 1, a cleaning through hole 51 and a feeding through hole 52 which are the same as the shape of the feeding hole of the sample collecting barrel device 3 are arranged at the positions of the upper cover 5 corresponding to the feeding hole of the sample collecting barrel device 3, the cleaning device 6 is arranged on the upper surface of the upper cover 5 and is used for automatically cleaning the sample collecting barrel 3, the cleaning device 6 comprises a brush 61 which can move up and down and rotate, the brush 61 is positioned right above the cleaning through hole 51, the weighing device 7 is arranged on the support 1 and is used for weighing materials, the upper slide pipe 81 is fixedly arranged on the upper cover 5 and is used for feeding samples, the lower slide pipe 82 is arranged below the sample collecting barrel device 3 and is fixedly connected with the upper cover opening device 5 and is used for discharging samples, and the detection device 9 is arranged at the position between the upper cover 5 and the driving device 2.
Referring to fig. 3, the stand 1 includes a lower plate 11, an upper plate 12, and support rods 13, six support rods 13 are disposed between the periphery of the upper plate 11 and the lower plate 12, and the stand 1 is used for supporting the whole sample collecting device. The number of support bars 13 may be varied according to the strength requirements.
Referring to fig. 1,3, 4, the driving device 2 includes a gear motor 21, a driving gear 22, and a rotary disk 23; the gear motor 21 is fixedly arranged below the upper base plate 112, the driving gear 22 is arranged on the output shaft of the gear motor 21, the rotary disc 23 is positioned above the upper base plate 12, and the output shaft of the gear motor 21 passes through the upper base plate 12 to be connected with the driving gear 22; the rotary disk 23 includes a rotary disk 233, a rotary support ring gear 231 and a rotary support ring gear 232 provided at the center hole position of the rotary disk 233. The outer circumference of the rotary disc 233 is provided with a U-shaped open opening 234, the rotary support annular gear 231 is meshed with the driving gear 22, and the U-shaped open opening 234 is positioned at the circumferential edge of the rotary disc 233 and corresponds to the feeding port of the sample collection barrel device 3. The shape of the U-shaped open opening 234 is not limited to the U-shaped open type, but may be square or circular corresponding to the inlet of the sample collection tub, but the U-shape is convenient for processing and installation.
Referring to fig. 5 and 6, the sample barrel device 3 includes a square barrel 31, a flange 32, a revolving door 33, and a revolving mechanism 34; the flange is arranged at the upper end of the square barrel 31 and connected with the rotary disc 23, and the rotary door 33 is arranged at the lower end of the square barrel 31 and is used for rotatably opening or closing the opening at the lower end of the square barrel 31; the rotating mechanism 34 is used for driving the revolving door 31 to open and close, and comprises an uncovering wall plate 341, an uncovering rotating pin 342, an uncovering pull rod 343 and a tension spring 344, wherein the two uncovering wall plates 341 are rotatably arranged on two sides of the square barrel 31 respectively through the two uncovering rotating pins 342, the lower ends of the two uncovering wall plates 341 are connected with two sides of the revolving door 33, the upper ends of the two uncovering wall plates 341 extend to the outer side of the square barrel 31 and are hinged with the pull rod 343 which is arranged in parallel with the uncovering rotating pin, and the tension spring 344 which is used for enabling the pull rod 343 to automatically close the revolving door 33 when the pull rod 343 is not stressed is arranged between the uncovering wall plates 341 and the outer wall of the square barrel 31.
Referring to fig. 5, preferably, the circumference of the square barrel 31 is provided with an arc chamfer, so that the cleaning is convenient, and dead angles are avoided.
Referring to fig. 6, preferably, the cross-sectional shape of the bottom end of the square barrel 31 includes an arc line segment 311 and a straight line segment 312, the center of the arc line segment 311 is the cover opening rotation pin 342, and the straight line segment 312 is tangent to the lowest point of the arc line 311; the corresponding revolving door 33 also comprises a corresponding arc line section and a straight line section, which are arranged to facilitate the opening and closing of the revolving door, and a straight line tangent to the lowest point of the arc line on the other side, so that no sample remains in the door after the door is opened.
Referring to fig. 7, the door opening device 4 includes an opening plate 41, a slide bush 42, a guide rod 43, a guide rod fixing seat 44, an air cylinder 45, and a hinge support 46; the cover opening plate 41 can move up and down to press the pull rod 343, the cover opening plate 41 is sleeved on two guide rods 43 which are vertically arranged through a sliding sleeve 42, the guide rods 43 are fixedly arranged on a guide rod fixing seat 44, an air cylinder 45 is arranged at the position, located between the two guide rods 43, of the cover opening plate 41 and used for driving the cover opening plate 41 to move up and down, and the air cylinder 45 is fixed at the lower end of the guide rod fixing seat 44 through a hinged support 46. The guide rod fixing base 44 comprises a mounting bottom plate and a mounting top plate, the mounting bottom plate and the bottom mounting base are respectively mounted on the groove steel frame through screws, and the mounting bottom plate is connected with the bottom mounting base. The hinged support can enable the air cylinder to automatically adjust verticality in the up-down displacement process, and damage caused by deviation of vertical angles in the use process of the air cylinder is prevented.
Referring to fig. 8, the upper cover 5 includes a feed through hole 52, a cleaning through hole 51, a top plate 53, a connection flange 54, and a silicone sealing strip 55; the cleaning through hole 51 and the feeding through hole 52 are respectively arranged at the upper chute 81 and the cleaning device 6, the shape of the cleaning through hole is the same as that of the feeding hole of the sample collection barrel device 3, the connecting flange 54 is arranged at the middle position of the lower end surface of the top plate 53, and the connecting flange 54 penetrates through the central hole of the rotary disc 23 to be fixedly connected with the upper bottom plate 12. The silica gel sealing strip 55 is arranged on the lower surface of the top plate 53 and corresponds to the end face of the feed inlet of the sample collection barrel device 3.
Referring to fig. 1 and 2, the cleaning device 6 includes a brush 61, a rotary motor 62, a motor mounting frame 63, a lifting electric rod 64, a mounting base 65 and a sample receiving hopper 66; the brush 61 is positioned right above the cleaning through hole 51 and is arranged on the output shaft of the motor 62, the rotating motor 62 is used for driving the brush 61 to rotate, and the rotating motor 62 is arranged on the motor mounting frame 63; the motor mounting frame 63 is mounted on the lifting electric rod 64 through the sliding block, the lifting electric rod 64 is mounted on the mounting seat 65, the lifting electric rod 64 drives the motor mounting frame and the hairbrush 61 to move up and down through the sliding block, and the clear sample receiving hopper 66 is located under the hairbrush 61.
Referring to fig. 1 and 3, the weighing device 7 comprises a base 71 and a weighing module 72; the weighing module 72 is mounted between the base 71 and the lower plate 11 of the stand 1. Before the weighing module 72 is installed, temporary fixing legs are welded between the base 71 and the lower plate 11, and after the weighing module 72 is installed between the base 71 and the lower plate 11, the temporary fixing legs are removed.
Referring to fig. 1, 3,4, the position detection device 9 includes an index sensor 91 and an index sensing point 92; the index sensor 91 is provided on the upper surface of the upper plate 13, and the index sensing point 92 is provided on the lower surface of the rotary disk 233.
In this embodiment, the cleaning device 6 and the upper chute 81 are symmetrically disposed on the upper cover 5 with the center of the upper cover 5 being 180 °. Thus, the two cover opening devices can be symmetrically arranged on two sides of the sample collecting device. The relative position of the cleaning device 6 and the upper chute 81 is not limited to this, and angles of 90 ° and 120 ° may be selected according to the space requirement. But the problem of mutual interference can be avoided to the greatest extent for a 180 symmetrical arrangement.
In the use process of the embodiment, the driving gear 22 mounted on the output shaft of the gear motor 21 drives the rotary disc 233 to rotate, when the rotary disc rotates to the position that the indexing sensor 91 is overlapped with the indexing sensing point 92, the silica gel sealing strip 55 automatically seals the square barrel 31, a sample enters the square barrel 31 from the upper chute 81, the weighing module 72 on the base 71 weighs the sample, and when the weight reaches the required weight, sample injection is stopped, and sample collection of the first square barrel 31 is completed; the driving gear 22 continues to drive the rotary disc 233 to rotate until the indexing sensor 91 and the indexing sensing point 92 are overlapped and positioned again, the other square barrel 31 is rotated to the lower part of the upper chute, and the silica gel sealing strip 55 automatically seals the square barrel 31 and samples are taken again; the sample collection is finished after the sample injection of all the square barrels 31 is finished; the rotary disc 233 rotates the first square barrel 31 to the lower part of the upper chute 81, the cover plate 41 on the cover opening device 4 is pulled downwards under the action of the air cylinder 45 to drive the cover opening wall plate 341 on the sample collection barrel device 3 to rotate, so that the rotary door 33 is opened, samples in the square barrel 31 are discharged into the lower chute 82, and the next procedure is conducted to finish the discharging of the first square barrel 31; repeating the above discharging process until all the square barrels 31 are completely discharged; in the unloading process, when the first square barrel 31 is completely unloaded and rotates to the lower part of the automatic cleaning device 6, the cover opening plate 41 on the cover opening device 4 is pulled downwards under the action of the air cylinder 45 to drive the cover opening plate 341 on the sample collection barrel device 3 to rotate, so that the revolving door 33 is opened, meanwhile, the rotating motor 62 on the cleaning device 6 starts to rotate, the lifting electric rod 64 descends to drive the hairbrush 61 to descend while rotating, and therefore, the residual samples on the inner wall of the square barrel 31 are cleaned and fall into the sample collection hopper 66; the sample cleaning process is repeated to complete the sample cleaning work of all the square barrels 31.
The above description is intended to be illustrative only and not limiting, and it will be understood by those skilled in the art that any modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the following claims, such as changing the number of sample bucket devices 3, changing the location of the sweeping device 6 and the up-flow tube 81, and are within the scope of the invention.
Claims (15)
1. A sample collection device, characterized in that: the device comprises a bracket (1), a driving device (2) arranged at the center of the bracket (1), and a rotary disc (23) arranged above the bracket (1) is arranged on the driving device (2); at least three groups of sample collection barrel devices (3) suspended below the periphery of the rotary disc (23); at least one group of cover opening devices (4) arranged outside the sample collection barrel device (3); the upper sealing cover (5) is arranged above the rotary disc (23) and the sample collection barrel device (3) and used for sealing all the sample collection barrel devices (3), the upper sealing cover (5) is fixedly connected with the bracket (1), and a cleaning through hole (51) and a feeding through hole (52) which are the same as the shape of the feeding hole of the sample collection barrel device (3) are arranged at positions, corresponding to the feeding hole of the sample collection barrel device (3), on the upper sealing cover (5); the cleaning device (6) is arranged on the upper surface of the upper sealing cover (5) and used for automatically cleaning the sample collection barrel device (3), the cleaning device comprises a brush (61) which can move up and down and rotate, and the brush (61) is positioned right above the cleaning through hole (51);
The sample collection barrel device (3) comprises a square barrel (31), a flange (32) connected with the rotary disc (23) is arranged at the upper end of the square barrel (31), a rotary door (33) which is arranged at the lower end of the square barrel (31) and used for rotatably opening or closing an opening at the lower end of the square barrel (31) and a rotary mechanism (34) which is used for driving the rotary door (33) to open and close;
The rotating mechanism (34) comprises two cover opening wall plates (341) positioned on two sides of the square barrel (31), the middle part of each cover opening wall plate (341) is rotatably arranged on two side surfaces of the square barrel (31) through two cover opening rotary pins (342), the lower ends of the two cover opening wall plates (341) are connected with two sides of the rotating door (33), the upper ends of the two cover opening wall plates (341) extend to the outer side of the square barrel (31) and are hinged with a pull rod (343) which is arranged in parallel with the cover opening rotary pins, and a tension spring (344) which is used for enabling the pull rod (343) to automatically close the rotating door (33) when the pull rod (343) is not stressed is arranged between the cover opening wall plates (341) and the outer wall of the square barrel (31);
The cross section of the bottom end of the square barrel (31) comprises an arc line segment (311) and a straight line segment (312), the circle center of the arc line segment (311) is the uncovering rotary pin (342), and the straight line segment (312) is tangent with the lowest point of the arc line segment (311); the cross section of the revolving door (33) comprises an arc section (311) and a straight line section (312) which are matched with the cross section shape of the lower end of the square barrel (31);
The support (1) comprises a lower bottom plate (11) and an upper bottom plate (12), and at least three support rods (13) are arranged around the space between the upper bottom plate (12) and the lower bottom plate (11).
2. The sample collection device of claim 1, wherein: the cleaning device (6) further comprises a rotating motor (62) for driving the brush (61) to rotate, and the rotating motor (62) is arranged on a motor mounting frame (63); and the lifting electric rod (64) drives the hairbrush (61) to move up and down through the sliding block, and the lifting electric rod (64) is arranged on the mounting seat (65).
3. A sample collection device according to claim 2, wherein: the cleaning device (6) further comprises a sample collecting hopper (66) which is positioned right below the hairbrush (61).
4. The sample collection device of claim 1, wherein: the sample collection device further comprises a weighing device (7) which is arranged below the support (1) and used for weighing materials.
5. The sample collection device of claim 4, wherein: the weighing device (7) comprises a base (71) and a weighing module (72) arranged between the base (71) and the bracket (1).
6. The sample collection device of claim 1, wherein: the periphery of the square barrel (31) is provided with an arc chamfer.
7. The sample collection device of claim 1, wherein: the cover opening device (4) comprises a cover opening plate (41) capable of moving up and down and used for pressing down the pull rod (343), the cover opening plate (41) is sleeved on two guide rods (43) which are vertically arranged through a sliding sleeve (42), the guide rods (43) are fixedly installed on guide rod fixing seats (44), the cover opening plate (41) is located in the middle of the two guide rods (43) and is provided with an air cylinder (45) used for driving the cover opening plate (41) to move up and down, and the air cylinder (45) is fixed at the lower end of the guide rod fixing seats (44) through a hinged support (46).
8. The sample collection device of claim 1, wherein: the driving device (2) comprises a gear motor (21) fixedly installed below the upper base plate (12), an output shaft of the gear motor (21) penetrates through the upper base plate (12) to be connected with a driving gear (22), a rotary disc (23) is located above the upper base plate (12), the rotary disc (23) comprises a rotary disc (233), and a rotary support annular gear (231) and a rotary support outer gear ring (232) meshed with the driving gear (22) are arranged at a central hole of the rotary disc (233).
9. The sample collection device of claim 8, wherein: the rotary disc (233) is provided with a U-shaped open opening (234) at the circumferential edge and corresponding to the feed inlet of the square barrel (31).
10. A sample collection device according to any one of claims 1 to 7, wherein: the upper sealing cover (5) comprises a top plate (53) and a connecting flange (54) arranged at the middle position of the lower end face of the top plate (53), and the connecting flange (54) penetrates through a central hole of the rotary disc to be fixedly connected with the upper bottom plate (12).
11. The sample collection device of claim 10, wherein: the upper sealing cover (5) further comprises a silica gel sealing strip (55) which is arranged at the lower end part of the top plate (53) and corresponds to the end face of the feed inlet of the sample collection barrel device (3).
12. The sample collection device according to any one of claims 1-7, wherein: the sample collection device further comprises an upper chute (81) fixedly installed on the upper sealing cover (5) and used for feeding samples, and a lower chute (82) arranged below the sample collection barrel device (3) and used for discharging the samples, and the upper chute (81) is fixedly installed at the position of the feeding through hole (52).
13. The sample collection device of claim 12, wherein: the cleaning device (6) and the upper chute (81) are symmetrically arranged on the upper sealing cover (5) with the center of the upper sealing cover (5) being 180 degrees.
14. The sample collection device of claim 12, wherein: the cover opening device (4) is provided with two groups which are respectively arranged at the corresponding outer side positions of the lower chute (82) and the cleaning device (6).
15. The sample collection device of claim 8, wherein: the sample collection device further comprises a position detection device (9), wherein the position detection device (9) comprises an indexing sensor (91) arranged on the upper surface of the upper base plate (12) and an indexing sensing point (92) arranged on the lower surface of the rotary disc (233).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610708057.6A CN107764581B (en) | 2016-08-23 | 2016-08-23 | Sample collection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610708057.6A CN107764581B (en) | 2016-08-23 | 2016-08-23 | Sample collection device |
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| CN107764581A CN107764581A (en) | 2018-03-06 |
| CN107764581B true CN107764581B (en) | 2024-07-09 |
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| CN115069124A (en) * | 2022-07-19 | 2022-09-20 | 江西光明智能科技有限公司 | a mixing device |
| CN117686248B (en) * | 2024-02-01 | 2024-04-05 | 兰州空间技术物理研究所 | Automatic acquisition and packaging device and method for extraterrestrial celestial body samples |
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| CN104215468A (en) * | 2014-08-27 | 2014-12-17 | 赛摩电气股份有限公司 | Sample collector |
| CN205015177U (en) * | 2015-10-10 | 2016-02-03 | 徐州德百利艾恩工业机械有限公司 | Collector opens door at bottom of difunctional push -down sample |
| CN206192675U (en) * | 2016-08-23 | 2017-05-24 | 江西光明智能科技有限公司 | Collection appearance device |
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|---|---|---|---|---|
| US5072624A (en) * | 1990-08-22 | 1991-12-17 | Beloit Corporation | Automatic conveyor transition sampler |
| CN202162185U (en) * | 2011-06-22 | 2012-03-14 | 锦州万得机械装备有限公司 | Cleaning machine for inner wall of oil storage drum |
| CN104289477A (en) * | 2014-09-25 | 2015-01-21 | 国家电网公司 | Cleaning machine suitable for isodiametric china bottles in transformer substation |
| CN204384147U (en) * | 2014-12-31 | 2015-06-10 | 浙江华电电站设备有限公司 | A kind of closed type Weighing type sample collecting device |
| CN204903233U (en) * | 2015-08-04 | 2015-12-23 | 江西光明智能科技有限公司 | Rotation type collection appearance device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215468A (en) * | 2014-08-27 | 2014-12-17 | 赛摩电气股份有限公司 | Sample collector |
| CN205015177U (en) * | 2015-10-10 | 2016-02-03 | 徐州德百利艾恩工业机械有限公司 | Collector opens door at bottom of difunctional push -down sample |
| CN206192675U (en) * | 2016-08-23 | 2017-05-24 | 江西光明智能科技有限公司 | Collection appearance device |
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