CN113441209A

CN113441209A - Experimental sample grinder

Info

Publication number: CN113441209A
Application number: CN202110657979.XA
Authority: CN
Inventors: 黄日胜; 郑元亮; 张康梁
Original assignee: Wenzhou Central Hospital
Current assignee: Wenzhou Central Hospital
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-09-28
Anticipated expiration: 2041-06-11
Also published as: CN113441209B

Abstract

The invention discloses an experimental sample grinder, which comprises a body, wherein a grinding device, a collecting device and a feeding device are arranged in the body, the grinding device comprises a plurality of grinding rods, a first driving assembly, a filter sieve and a mounting seat which are symmetrically arranged, the first driving assembly is used for driving the grinding rods to grind, the mounting seat is provided with a collecting channel corresponding to the bottom of the filter sieve, the collecting device is connected with the collecting channel, the side wall of the filter sieve is provided with filter holes, the mounting seat is internally provided with a clearing device, the clearing device is used for clearing the filter holes, the feeding device is arranged above the mounting seat, the channel of the feeding device is communicated with the first containing space, the cleaning of the filtering holes is realized through the arrangement of the cleaning device, thereby avoid filtering the hole and constantly block up at the grinding in-process and lead to the filter effect to descend, can realize the grinding to the sample through the setting of a plurality of grinding rods.

Description

Experimental sample grinder

Technical Field

The invention relates to the field of experimental supplies, in particular to an experimental sample grinder.

Background

The grinder is used as a common instrument in a laboratory, is used for grinding an experimental sample, so that the experimental sample is convenient to observe and react, can be used for grinding some samples with small volume through tweezers, and needs a special instrument for grinding the samples with large volume.

The existing grinding instrument is easy to generate grinding particles with the particle sizes close to the filter holes in the grinding process, so that the filter holes are blocked, the filtering effect of the grinding instrument is gradually reduced in the grinding process, meanwhile, the grinding is insufficient due to different sample properties in the grinding process, and the grinding needs to be repeated.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the experimental sample grinder which can avoid the blockage of a filter hole and can grind repeatedly.

In order to achieve the purpose, the invention provides the following technical scheme: an experimental sample grinder comprises a body, wherein a grinding device, a collecting device and a feeding device are arranged in the body, the grinding device comprises a plurality of grinding rods, a first driving assembly, a filter sieve and a mounting seat which are symmetrically arranged, the grinding rods are mutually attached, the grinding rods are mutually interacted to grind, the first driving assembly is used for driving the grinding rods to grind, a first accommodating space is arranged on the mounting seat, the filter sieve is arranged in the first accommodating space, the center of the filter sieve is a grinding center, one end of each grinding rod is a grinding end, the other end of each grinding rod is a driving end, the grinding end extends into the grinding center, a collecting channel is arranged on the mounting seat corresponding to the bottom of the filter sieve, the collecting device is connected with the collecting channel, filter holes are formed in the side wall of the filter sieve, and a clearing device is arranged in the mounting seat, the clearing device is used for clearing the filtering holes, the feeding device is arranged above the mounting seat, and a channel of the feeding device is communicated with the first accommodating space.

As a further improvement of the invention, the clearing device comprises a second driving component, a fan and two rotating rings, wherein the two rotating rings are symmetrically arranged at two sides of the filter screen and are jointed with the side wall of the filter screen, the two rotating rings form a bracket for limiting the translation of the filter screen, the two rotating rings extend towards the center of the filter screen to form convex rings, the convex rings are jointed with the inner wall of the filter screen, a bearing plate is arranged between the two convex rings, a shoveling inclined plane is arranged on the bearing plate and is jointed with the inner wall of the filter screen, the bearing plate is provided with a V-shaped bearing plate towards the center direction of the filter screen, the V-shaped bearing plate and the bearing plate form a bearing space, the outer wall of the rotating ring is connected with the second driving component, the second driving component is used for driving the rotating rings and the filter screen to rotate in opposite directions, the mounting base is provided with a second accommodating space communicated with the first accommodating space corresponding to the top of the filter screen, an air jet is arranged in the second accommodating space, a jet orifice is arranged at the position, corresponding to the filter hole, of the air jet, and the output end of the fan extends into the second accommodating space and is connected with the air jet.

As a further improvement of the invention, the second driving assembly comprises a driving motor and a connecting gear, a driving gear is arranged at the output end of the driving motor, a first gear ring is arranged on the outer wall of the filter screen corresponding to the driving gear in a surrounding manner, the connecting gear is arranged between the driving gear and the first gear ring, the connecting gear is respectively connected with the driving gear and the first gear ring, a transmission rod fixedly extends in the central axis direction of the driving gear, a driven gear is arranged at one end of the transmission rod, which is far away from the driving gear, a second gear ring is arranged on the outer wall of the rotating ring in a surrounding manner, and the driven gear is meshed with the second gear ring.

As a further improvement of the present invention, the first driving assembly includes a first motor and a third gear, the output end of the first motor is provided with a first gear, the two driving ends of the grinding rods are provided with a second gear, one end of the first gear is engaged with the second gear, the other end of the first gear is engaged with the third gear, and the third gear is engaged with a second gear corresponding to the other driving end of the grinding rod.

As a further improvement of the invention, the collecting device comprises a collector and a third driving assembly, a second opening is arranged on the side surface of the body, the third driving assembly is used for driving the collector to move towards the second opening, the collecting channel comprises a collecting inclined surface and a blanking channel, the collecting inclined surface is connected with the blanking channel, a vibration generator is arranged on the outer side of the collecting inclined surface and used for driving the collecting inclined surface to vibrate, a detachable container is arranged on the collector, and an accommodating groove is arranged at the position of the container, which corresponds to the blanking channel.

As a further improvement of the present invention, the third driving assembly includes a guide rail and a second motor, a rail is disposed in the guide rail, the bottom of the collector is slidably disposed on the guide rail and connected to the rail, and the second motor is configured to drive the rail to move along the guide rail.

The invention has the beneficial effects that: realize the clearance to filtering the hole through clearing device's setting, thereby avoid filtering the hole and constantly stopping up at the grinding in-process and lead to the filter effect to descend, can realize the grinding to the sample through the setting of a plurality of grinding rods, will grind insufficient sample through accepting the board simultaneously and grind again, it rotates to be opposite direction with the filter sieve to drive the swivel becket through second drive assembly, realize the clearance effect of shovel material inclined plane to filtering the hole, the sample after effectively avoiding filtering simultaneously through vibration generator's setting is depositional on collecting the inclined plane, drive the collector through third drive assembly and remove to the second opening, the container can be dismantled with the collector and be connected simultaneously, the operating personnel of being convenient for gather.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is a view showing the internal structure of the main body according to the present invention;

FIG. 3 is a cross-sectional view of the mount of the present invention;

FIG. 4 is a schematic view of a polishing apparatus and a cleaning apparatus according to the present invention.

FIG. 5 is a schematic view of a first driving assembly according to the present invention;

FIG. 6 is a schematic view of the receiving plate of the present invention.

Reference numerals: 1. a body; 2. a grinding device; 3. a collection device; 4. a feeding device; 5. a collection channel; 21. a grinding rod; 22. filtering and screening; 23. a mounting seat; 24. a first drive assembly; 231. a first accommodating space; 211. grinding the end; 212. a driving end; 221. a filtration pore; 6. a clearing device; 61. a rotating ring; 62. a bearing plate; 63. a second drive assembly; 64. a fan; 611. a convex ring; 621. a shoveling slope; 622. a V-shaped bearing plate; 232. a second accommodating space; 233. an air jet; 234. an ejection port; 631. a drive motor; 632. a connecting gear; 633. a drive gear; 634. a first ring gear; 635. a driven gear; 636. a second ring gear; 241. a first motor; 242. a third gear; 243. a first gear; 244. a second gear; 31. a collector; 32. a third drive assembly; 33. a second opening; 51. collecting the inclined plane; 52. a blanking channel; 53. a vibration generator; 54. accommodating grooves; 321. a guide rail; 322. a rail.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals.

As shown in fig. 1 to 6, an experimental sample grinder includes a body 1, a grinding device 2, a collecting device 3 and a feeding device 4 are disposed in the body 1, the grinding device 2 includes a first driving assembly 24, a filtering sieve 22, a mounting seat 23 and a plurality of grinding rods 21 symmetrically disposed, further preferably, in this embodiment, the number of the grinding rods 21 is 2, the plurality of grinding rods 21 are attached to each other, the plurality of grinding rods 21 interact to perform a grinding action, the first driving assembly 24 is configured to drive the grinding rods 21 to perform a grinding action, a first accommodating space 231 is disposed on the mounting seat 23, the filtering sieve 22 is disposed in the first accommodating space 231, the center of the filtering sieve 22 is a grinding center, one end of the grinding rod 21 is a grinding end 211, the other end is a driving end 212, the grinding end 211 extends into the grinding center, a collecting channel 5 is disposed at the bottom of the mounting seat 23 corresponding to the filtering sieve 22, the collecting device 3 is connected with the collecting channel 5, the side wall of the filter sieve 22 is provided with the filter holes 221, the installing seat 23 is internally provided with the clearing device 6, the clearing device 6 is used for clearing the filter holes 221, the feeding device 4 is arranged above the installing seat 23, the channel of the feeding device 4 is communicated with the first accommodating space, the clearing of the filter holes 221 is realized through the clearing device 6, the influence of the blockage of the filter holes 221 on the grinding effect in the grinding process is avoided, the grinding effect is effectively enhanced through the arrangement of the grinding rods, meanwhile, the sample in the grinding process can be effectively prevented from leaking due to the arrangement of the first accommodating space 231, meanwhile, the ground experimental sample is collected through the collecting device 5, and the follow-up operation of an operator is reduced.

Preferably, the removing device 6 includes a second driving assembly 63, a fan 64 and two rotating rings 61, the two rotating rings 61 are symmetrically disposed on two sides of the filter screen 22 and attached to the side wall of the filter screen 22, the two rotating rings 61 form a support for limiting the translation of the filter screen 22, the two rotating rings 61 extend to the center of the filter screen 22 to form a protruding ring 611, the protruding ring 611 is attached to the inner wall of the filter screen 22, a receiving plate 62 is disposed between the two protruding rings 611, a shoveling inclined surface 621 is disposed on the receiving plate 62, the shoveling inclined surface 621 is attached to the inner wall of the filter screen 22, a V-shaped receiving plate 622 is disposed on the receiving plate 62 in the center direction of the filter screen 22, the V-shaped receiving plate 622 and the receiving plate 62 form a receiving space, the outer wall of the rotating ring 61 is connected to the second driving assembly 63, the second driving assembly 63 is configured to drive the rotating rings 61 and the filter screen 22 to rotate in opposite directions, the mounting seat 23 is provided with a second accommodating space 232 communicated with the first accommodating space 231 corresponding to the top of the filter sieve 22, an air jet 233 is arranged in the second accommodating space 232, the position of the air jet 233 corresponding to the filter hole 221 is provided with a jet port 234, the output end of the fan 64 extends into the second accommodating space 232 to be connected with the air jet 233, the second driving assembly 63 drives the rotating ring 61 and the filter sieve 22 to rotate in opposite directions, the shoveling inclined plane 621 is further driven to move along the inner wall of the filter sieve 22, so as to clean the inner wall of the filter sieve 22, meanwhile, the sample which is not sufficiently ground is shoveled into the grinding space in the moving process of the shoveling inclined plane 621, when the receiving plate 62 is driven to move to the upper part of the grinding rod 21 by the rotation of the rotating ring 61, the sample automatically falls into the grinding rod 21 for repeated grinding through gravity, thereby avoiding the insufficient grinding of the sample, and meanwhile, the rotation of the filter sieve 22, so that the air jet 233 can clean all the filter holes 221 on the filter screen 22, and the cleaning effect is enhanced.

Preferably, the second driving assembly 63 includes a driving motor 631 and a connecting gear 632, the output end of the driving motor 631 is provided with a driving gear 633, the outer wall of the filter screen 22 is provided with a first gear ring 634 around the driving gear 633, the connecting gear 632 is provided between the driving gear 633 and the first gear ring 634, the connecting gear 632 is respectively connected with the driving gear 633 and the first gear ring 634, a transmission rod is fixedly extended in the central axis direction of the driving gear 633, one end of the transmission rod away from the driving gear 633 is provided with a driven gear 635, the outer wall of the rotating ring 61 is provided with a second gear ring 636 in a surrounding manner, the driven gear 635 is meshed with the second gear ring 636, the rotating ring 61 and the filter screen 22 are rotated in opposite directions through the connecting gear 632, and the transmission mode of the gears can obtain high transmission efficiency and realize smooth transmission.

Preferably, the first driving assembly 24 includes a first motor 241 and a third gear 242, the output end of the first motor 241 is provided with a first gear 243, the two driving ends 212 of the grinding rods 21 are provided with a second gear 244, one end of the first gear 243 is meshed with the second gear 244, the other end of the first gear 243 is meshed with the third gear 242, the third gear 242 is meshed with the second gear 244 corresponding to the driving end 212 of the other grinding rod 21, the rotation directions of the grinding rods 21 are opposite through the arrangement of the third gear 242, so that the grinding of the sample is realized through the interaction of the plurality of grinding rods 21, and the transmission mode of the gears can obtain high transmission efficiency and realize smooth transmission.

Preferably, the collecting device 3 includes a collector 31 and a third driving assembly 32, a second opening 33 is disposed on a side surface of the body 1, the third driving assembly 32 is used for driving the collector 31 to move towards the second opening 33, the collecting channel 5 includes a collecting inclined surface 51 and a blanking channel 52, the collecting inclined surface 51 is connected with the blanking channel 52, a vibration generator 53 is disposed on an outer side of the collecting inclined surface 51, the vibration generator 53 is used for driving the collecting inclined surface 51 to vibrate, a detachable container is disposed on the collector 31, an accommodating groove 54 is disposed on the container corresponding to the blanking channel 52, a ground sample can be effectively prevented from being accumulated on the collecting inclined surface 51 by the vibration generator, so that influence on next grinding is reduced, the collector 31 is controlled to move by the third driving assembly 32, and user operation is reduced, meanwhile, the container is detachable from the collector 31, so that a user can conveniently process the grinded sample.

Preferably, the third driving assembly 32 includes a guide rail 321 and a second motor, a rail 322 is disposed in the guide rail 321, the bottom of the collector 31 is slidably disposed on the guide rail 321 and connected to the rail 322, the second motor is configured to drive the rail 322 to move along the guide rail 321, and the collector 31 is kept stable during the movement process by the arrangement of the guide rail 321, so as to prevent the sample from falling.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above 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

1. An experimental sample grinder, comprising a body (1), characterized in that: the grinding device (2), the collecting device (3) and the feeding device (4) are arranged in the body (1), the grinding device (2) comprises a first driving assembly (24), a filter sieve (22), a mounting seat (23) and a plurality of grinding rods (21) which are symmetrically arranged, the grinding rods (21) are mutually attached, the grinding rods (21) are mutually interacted to carry out grinding action, the first driving assembly (24) is used for driving the grinding rods (21) to carry out grinding action, a first accommodating space (231) is arranged on the mounting seat (23), the filter sieve (22) is arranged in the first accommodating space (231), the center of the filter sieve (22) is a grinding center, one end of each grinding rod (21) is a grinding end (211), the other end of each grinding rod is a driving end (212), the grinding end (211) extends into the grinding center, a collecting channel (5) is arranged at the bottom of the mounting seat (23) corresponding to the filter sieve (22), the collecting device (3) is connected with the collecting channel (5), the side wall of the filter sieve (22) is provided with filter holes (221), a clearing device (6) is arranged in the mounting seat (23), the clearing device (6) is used for clearing the filter holes (221), the feeding device (4) is arranged above the mounting seat (23), and the channel of the feeding device (4) is communicated with the first accommodating space.

2. The experimental sample grinder of claim 1, wherein: the clearing device (6) comprises a second driving component (63), a fan (64) and two rotating rings (61), wherein the two rotating rings (61) are symmetrically arranged on two sides of the filter sieve (22) and attached to the side wall of the filter sieve (22), the two rotating rings (61) form a support for limiting the translation of the filter sieve (22), the two rotating rings (61) extend to the center of the filter sieve (22) to form a convex ring (611), the convex ring (611) is attached to the inner wall of the filter sieve (22), a bearing plate (62) is arranged between the two convex rings (611), a shoveling inclined plane (621) is arranged on the bearing plate (62), the shoveling inclined plane (621) is attached to the inner wall of the filter sieve (22), the bearing plate (62) is provided with a V-shaped bearing plate (622) in the center direction of the filter sieve (22), and the V-shaped bearing plate (622) and the bearing plate (62) form a bearing space, the outer wall of the rotating ring (61) is connected with a second driving assembly (63), the second driving assembly (63) is used for driving the rotating ring (61) and the filter sieve (22) to rotate in the opposite direction, a second accommodating space (232) communicated with the first accommodating space (231) is arranged at the top of the corresponding filter sieve (22) of the mounting seat (23), an air jet (233) is arranged in the second accommodating space (232), a jet port (234) is arranged at the position, corresponding to the filter hole (221), of the air jet (233), and the output end of the fan (64) extends into the second accommodating space (232) and is connected with the air jet (233).

3. The experimental sample grinder of claim 2, wherein: second drive assembly (63) includes driving motor (631), connecting gear (632), driving motor (631) output is provided with drive gear (633), filter sieve (22) outer wall corresponds drive gear (633) and encircles and is equipped with first ring gear (634), connecting gear (632) set up between drive gear (633) and first ring gear (634), connecting gear (632) are connected with drive gear (633) and first ring gear (634) respectively, the fixed transfer line that extends of drive gear (633) axis direction, the one end that drive gear (633) were kept away from to the transfer line is equipped with driven gear (635), swivel becket (61) outer wall encircles and is equipped with second ring gear (636), driven gear (635) and second ring gear (636) meshing.

4. The experimental sample grinder of claim 3, wherein: the first driving assembly (24) comprises a first motor (241) and a third gear (242), a first gear (243) is arranged at the output end of the first motor (241), second gears (244) are arranged at the two driving ends (212) of the grinding rods (21), one end of the first gear (243) is meshed with the second gear (244), the other end of the first gear (243) is meshed with the third gear (242), and the third gear (242) is meshed with the second gear (244) corresponding to the driving end (212) of the other grinding rod (21).

5. The experimental sample grinder of claim 1, wherein: collection device (3) are including collector (31) and third drive assembly (32), body (1) side is equipped with second opening (33), third drive assembly (32) are used for driving collector (31) and remove to second opening (33) direction, collect passageway (5) including collecting inclined plane (51) and blanking passageway (52), it is connected with blanking passageway (52) to collect inclined plane (51), it is equipped with vibration generator (53) to collect inclined plane (51) outside, vibration generator (53) are used for driving and collect inclined plane (51) and take place vibrations, be equipped with the detachable container on collector (31), the container corresponds blanking passageway (52) position and is equipped with holding tank (54).

6. The experimental sample grinder of claim 5, wherein: third drive assembly (32) include guide rail (321) and second motor, be equipped with rail bar (322) in guide rail (321), collector (31) bottom slides and sets up on guide rail (321) and is connected with rail bar (322), the second motor is used for driving rail bar (322) and removes along guide rail (321).