CN113998484A - Powder trace sample adding device - Google Patents
Powder trace sample adding device Download PDFInfo
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- CN113998484A CN113998484A CN202010735494.3A CN202010735494A CN113998484A CN 113998484 A CN113998484 A CN 113998484A CN 202010735494 A CN202010735494 A CN 202010735494A CN 113998484 A CN113998484 A CN 113998484A
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- Prior art keywords
- vibration
- vibrating
- shaft
- plate
- spiral
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/46—Devices for emptying otherwise than from the top using screw conveyors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/14—Pulverising loaded or unloaded materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
Abstract
The invention discloses a powder trace sample adding device, which relates to the technical field of material conveying and comprises a supporting structure, a vibrating structure and a double-spiral conveying structure, wherein rollers are arranged on the supporting structure, the vibrating structure comprises a motor, a vibrating shaft, a vibrating disk and a vibrating plate, the motor, the vibrating shaft, the vibrating disk and the vibrating plate are arranged on the vibrating plate, the vibrating plate is movably arranged on the supporting structure, the vibrating plate is rotatably connected with the vibrating shaft, a plurality of grooves are uniformly distributed on the periphery of the vibrating disk, and the rollers are matched with the grooves; two helical conveying structure are including setting up the feed bin on vibrating the board, two turnbuckles of being connected with motor drive, and two turnbuckles all are located the feed bin and all set up along the direction of pan feeding mouth to discharge gate, and the periphery of two turnbuckles all is equipped with helical blade, and two helical blade all include a plurality of helical portion that are connected, and one of them helical blade's helical portion stretches into between two adjacent helical portion of another helical blade. So set up, guarantee feed speed and feed precision simultaneously, it is with low costs.
Description
Technical Field
The invention relates to the technical field of material conveying, in particular to a powder trace sample adding device.
Background
In the field of material conveying, the double-screw feeder can only ensure the feeding speed but cannot ensure the feeding precision. At present, the micro-feeding of the powder is mostly in a manual weighing mode, and the labor and the time are consumed. In the prior art, a company of Mettler Switzerland has produced a powder sample injector, including the application of sample head, the device can satisfy the requirement of feed precision through the application of sample head, but this device product is expensive, and an equipment is about a million yuan, and the application of sample head belongs to the consumptive material, and life is a month, needs to change the application of sample head regularly, and the price of changing once is about five thousand yuan, so use the high price of this powder sample injector.
Therefore, how to solve the problem that the feeding device in the prior art cannot simultaneously ensure the feeding speed and the feeding precision and ensure the feeding precision and the cost is too high becomes an important technical problem to be solved by technical personnel in the field.
Disclosure of Invention
The invention aims to provide a powder trace sample adding device to solve the technical problems that a feeding device in the prior art cannot simultaneously guarantee feeding speed and feeding precision, guarantees feeding precision and is too high in cost. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
The invention provides a powder trace sample adding device, which comprises:
the supporting structure is provided with an engaging piece;
the vibration structure comprises a power device for providing rotary power, a vibration shaft in transmission connection with the power device, a vibration disc connected with the vibration shaft, and a vibration plate movably arranged on the support structure along the vertical direction, wherein the power device is arranged on the vibration plate, the power device drives the vibration shaft and the vibration disc to synchronously rotate, the vibration plate is rotatably connected with the vibration shaft, a plurality of grooves are uniformly distributed on the periphery of the vibration disc, and the meshing part is matched with each groove;
double helix transport structure, including the feed bin, with two hob that the power device transmission is connected, the feed bin sets up on the vibration board, the feed bin is equipped with pan feeding mouth and discharge gate, two the hob all is located just all follow in the feed bin the pan feeding mouth extremely the direction of discharge gate sets up, two the periphery of hob all is equipped with helical blade, two helical blade all includes a plurality of helical part that are connected, one of them helical blade helical part stretches into another helical blade's adjacent two between the helical part.
Preferably, the two spiral rods are arranged in parallel, the spiral parts of the two spiral blades have the same number, the same structure and the same size, and each spiral part of one spiral blade extends into a space between two adjacent spiral parts of each group of the other spiral blade.
Preferably, the ends of the two screw rods are respectively provided with a first gear and a second gear, and the first gear is meshed with the first gear.
Preferably, the power device is a motor, an output shaft of the motor is connected with the screw rod, an output shaft of the motor is connected with a first belt wheel, the end part of the vibration shaft is connected with a second belt wheel, and the first belt wheel and the second belt wheel are in transmission connection through a transmission belt.
Preferably, the groove is an arc-shaped groove, and the outer surface of the engaging piece is matched with the wall surface of the arc-shaped groove.
Preferably, the engaging member is a roller, and an axis of the roller is parallel to the vibration shaft.
Preferably, a bearing seat is connected to the vibration plate, and the vibration shaft is mounted on the vibration plate through a bearing and the bearing seat.
Preferably, the vibration disc is located below the vibration plate, an opening for the upper end of the vibration disc to extend out is formed in the vibration plate, the width and the length of the opening are respectively larger than those of the opening where the vibration disc is located, and the vibration disc is detachably connected with the vibration shaft.
Preferably, the supporting structure comprises a bottom plate and a plurality of guide sleeves vertically arranged on the bottom plate, the lower end of the vibrating plate is connected with a plurality of guide pillars vertically arranged, the guide pillars are movably arranged in the guide sleeves along the vertical direction, and the guide pillars and the guide sleeves are the same in number and are in one-to-one correspondence.
Preferably, the periphery of the guide post is sleeved with a buffer pad, and the buffer pad is located between the guide sleeve and the vibrating plate.
According to the technical scheme, the powder micro-sampling device comprises a supporting structure, a vibration structure and a double-spiral conveying structure, wherein the supporting structure is provided with a meshing piece, the vibration structure comprises a power device, a vibration shaft, a vibration disc and a vibration plate, the power device is used for providing rotary power of the vibration shaft, the power device is arranged on the vibration plate, the vibration shaft is in transmission connection with the power device, the vibration disc is connected with the vibration shaft, so that the power device drives the vibration shaft and the vibration disc to synchronously rotate, the vibration plate is movably arranged on the supporting structure along the vertical direction, a plurality of grooves are uniformly distributed on the periphery of the vibration disc, and the meshing piece is matched with each groove. The power device drives the vibration disc and the vibration shaft to synchronously rotate, the grooves in the vibration disc are sequentially matched with the meshing parts, and because the positions of the supporting structure and the meshing parts are fixed, when the meshing parts are matched with one groove and do not enter the next groove, the tops of the grooves are contacted with the meshing parts, the meshing parts jack up the vibration disc by a certain height, and meanwhile, the vibration shaft, the vibration plate and the double-spiral structure synchronously rise by a certain height; when the engaging piece is matched with the next groove again, the vibration disk descends to return to the original position, and meanwhile, the vibration shaft, the vibration plate and the double-spiral structure synchronously descend to the original position, and the whole process is finished. The double helix structure comprises a bin and two screw rods, wherein the two screw rods are connected with the power device in a transmission mode, the bin is arranged on the vibrating plate, the bin is provided with a feeding port and a discharging port, the two screw rods are located in the bin, the two screw rods are arranged along the direction from the feeding port to the discharging port, the peripheries of the two screw rods are provided with helical blades, the two helical blades comprise a plurality of connected helical parts, and the helical part of one helical blade extends into the space between two adjacent helical parts of the other helical blade.
So set up, two hob imbed each other between the spiral portion of other side, make the distance between two arbitrary adjacent spiral portions reduce, can break up the powder of conglobation, avoid conglobation powder to flow by the discharge gate, the powder micro-quantity flows, satisfy the microfeed requirement, the spiral feed volume and the vibration frequency of hob are directly proportional, guarantee the feed precision when guaranteeing feed speed, vibrating structure is simple relatively moreover, and the cost is lower, and convenient to use guarantees stability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a powder micro-loading device according to an embodiment of the present invention;
FIG. 2 is a top view of a powder micro-loading device according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a vibration disk in an embodiment of the present invention.
In FIGS. 1-3:
1. a motor; 2. a storage bin; 201. a feeding port; 202. a discharge port; 3. a screw rod; 4. a helical blade; 401. a spiral portion; 5. a first gear; 6. a second gear; 7. a first pulley; 8. a second pulley; 9. a transmission belt; 10. a vibration shaft; 11. a bearing seat; 12. vibrating the disc; 1201. an arc-shaped slot; 13. a vibrating plate; 14. a roller; 15. a base plate; 16. a guide sleeve; 17. a guide post; 18. a cushion pad; 19. a coupling; 20. an opening; 21. a connecting plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The purpose of this embodiment is to provide a powder trace application of sample device, solves among the prior art that feeder can't guarantee feed speed and feeding precision, guarantee feeding precision and the problem that the cost is too high again simultaneously.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.
Referring to fig. 1-3, in the present embodiment, the powder micro-sampling device includes a supporting structure, a vibrating structure and a double-spiral conveying structure, wherein the supporting structure is provided with an engaging member, the vibrating structure includes a power device, a vibrating shaft 10, a vibrating disk 12 and a vibrating plate 13, the power device is used for providing a rotating power and is disposed on the vibrating plate 13, and specifically, the power device is a motor or a pneumatic motor. Vibration axle 10 is connected with power device's output shaft, and vibration disc 12 connects vibration axle 10, and power device drive vibration axle 10 rotates promptly, and then drives vibration disc 12 synchronous rotation, and vibration board 13 sets up on bearing structure along vertical direction is movably, and the periphery evenly distributed of vibration disc 12 has a plurality of recesses, and meshing piece cooperatees with each recess. Therefore, the power device drives the vibration disc 12 and the vibration shaft 10 to synchronously rotate, each groove on the vibration disc 12 is sequentially matched with the meshing part, each groove and the surface of the meshing part are relatively displaced to generate sliding friction or rolling friction, because the positions of the supporting structure and the meshing part are fixed, when the meshing part is matched with one groove and does not enter the next groove, the top of the groove is contacted with the meshing part, the meshing part jacks up the vibration disc 12 by a certain height, and meanwhile, the vibration shaft 10, the vibration plate 13 and the double-spiral structure synchronously rise by a certain height; when the engaging member is again engaged with the next recess, the vibration disk 12 is lowered to return to its original position, and at the same time, the vibration shaft 10, the vibration plate 13 and the double spiral structure are simultaneously lowered to their original positions, and the whole process is completed by a vibration process.
Double helix structure includes feed bin 2 and two hob 3, wherein, two hob 3 are connected with the power device transmission, thereby make two hob 3 of power device drive rotate, feed bin 2 sets up on vibration board 13, feed bin 2 is equipped with pan feeding mouth 201 and discharge gate 202, two hob 3 all are located feed bin 2, and two hob 3 all set up side by side along pan feeding mouth 201 to the direction of discharge gate 202, carry to discharge gate 202 department with the powder or the material that will fall into feed bin 2 from pan feeding mouth 201. The periphery of two hob 3 all is equipped with helical blade 4, and two helical blade 4 all include a plurality of helical part 401 that are connected, and helical part 401 of one of them helical blade 4 stretches into between two adjacent helical part 401 of another helical blade 4, and so, two arbitrary adjacent helical part 401 are the helical part 401 on two hob 3 respectively, and two adjacent helical part 401 on not certain hob 3, and the distance between two arbitrary helical part 401 obviously reduces.
So set up, two hob 3 imbed each other between the spiral portion 401 of each other, make the distance between two arbitrary adjacent spiral portions 401 reduce, can break up the powder of conglomeration, avoid conglomeration powder to flow by discharge gate 202, the powder micro-flow flows, satisfy the microfeed requirement, hob 3's spiral feed volume is directly proportional with vibration frequency, guarantee the feed precision when guaranteeing feed speed, moreover, the vibrating structure is simple relatively, the cost is lower, high durability and convenient use, and stability is guaranteed.
As an alternative embodiment, as shown in fig. 2, two spiral rods 3 are arranged in parallel, the number of the spiral parts 401 of two spiral blades 4 is the same, and the structure and the size are the same, wherein each spiral part 401 of one spiral blade 4 extends between each adjacent two spiral parts 401 of another spiral blade 4, i.e. the spiral blades 4 of two spiral rods 3 are embedded into each other in the spiral blade 4 of the other. Preferably, the ends of the two screw rods 3 are respectively provided with a first gear 5 and a second gear 6, and the first gear 5 are engaged, so that the power device can drive the two screw rods 3 to rotate simultaneously.
So set up, two helical blade 4 inlay each other and establish, and the degree of inlaying each other and establishing is the same, makes the distance between two arbitrary adjacent helicla parts 401 equal for two arbitrary adjacent helicla part 401 homoenergetic between two hob 3 break up the powder of conglobation, further guarantee the requirement of micro-feed.
In an alternative embodiment, the power device is a motor 1, a housing of the motor 1 is fixed on the upper surface of the vibration plate 13 through a connecting plate 21, an output shaft of the motor 1 is connected with the spiral rod 3, the output shaft of the motor 1 is connected with a first belt pulley 7 through a coupling 19, the end part of the vibration shaft 10 is connected with a second belt pulley 8, and the first belt pulley 7 and the second belt pulley 8 are in transmission connection through a transmission belt 9. Preferably, the diameter of the first pulley 7 is greater than the diameter of the second pulley 8. Alternatively, a third gear may be connected to the output shaft of the motor 1, and a fourth gear may be connected to an end of the vibration shaft 10, the third gear being engaged with the fourth gear, and a diameter of the third gear being larger than a diameter of the fourth gear. Of course, the transmission connection between the output shaft of the motor 1 and the vibration shaft 10 is not limited to this, and in other embodiments, the output shaft of the motor 1 and the vibration shaft 10 are connected by a chain and a chain wheel.
So set up, a power supply of vibration structure and double helix structure sharing only can drive vibration axle 10 and two hob 3 rotations simultaneously through a motor 1, saves power.
In other embodiments, the power unit comprises a first motor having an output shaft connected to the vibration shaft 10 and a second motor having an output shaft connected to the screw bar 3.
In an alternative embodiment, as shown in fig. 3, the recess is an arc-shaped slot 1201, and the outer surface of the engaging member is engaged with the wall surface of the arc-shaped slot 1201. Specifically, the outer surface of the engaging member is also curved, the curved surface of the engaging member is directed upward, and the curved groove 1201 of the lowermost end of the vibration disk 12 is fitted thereto.
So set up, the setting of arc wall 1201 for relative displacement takes place easily between meshing piece and the recess, and the effective of guaranteeing the vibration goes on with vibration disc 12 jack-up easily.
In the preferred embodiment, the engaging member is a roller 14, the axis of the roller 14 is parallel to the vibration shaft 10, and the axis of the roller 14 and the vibration shaft 10 are both horizontally disposed.
With the arrangement, the relative sliding of the vibrating disk 12 and the meshing part is converted into relative rolling, the sliding friction is converted into rolling friction force, and the friction force is reduced.
In a preferred embodiment, a bearing housing 11 is attached to the vibration plate 13, and the vibration shaft 10 is mounted on the vibration plate 13 through a bearing and the bearing housing 11. Specifically, the vibration shaft 10 is mounted on a bearing housing 11 through a bearing, and the bearing housing 11 is in turn mounted on a vibration plate 13. In this way, only the up-and-down movement of the vibration shaft 10 drives the vibration plate 13 to move up and down, so as to realize the vibration process; and the bearing housing 11 serves as the main support for the oscillating shaft 10 and the oscillating disc 12.
As an alternative embodiment, the vibration disk 12 is located below the vibration plate 13, the vibration plate 13 is provided with an opening 20 for the upper end of the vibration disk 12 to protrude, the width and length of the opening 20 are respectively greater than the width and length of the vibration disk 12 at the opening 20, and the vibration disk 12 is detachably connected with the vibration shaft 10. Specifically, the connection can be dismantled in accessible threaded connection realization between vibration disc 12 and the vibration axle 10, sets up the screw hole promptly at the center of vibration disc 12, and the periphery of vibration axle 10 sets up the external screw thread, and the internal thread in screw hole cooperatees with the external screw thread. Of course, the connection mode between the two is not limited to this, and other structures capable of realizing detachable connection between the two are also possible. In other embodiments, the opening 20 is not provided in the vibration plate 13, and the vibration disk 12 is entirely located below the vibration plate 13.
With this arrangement, the size of the opening 20 is larger than the gear of the vibration disk 12 at the opening 20, so that the opening 20 can accommodate vibration disks 12 with different sizes, and the vibration frequency can be changed by replacing vibration disks 12 with other sizes, but the size of the arc-shaped slot 1201 cannot be changed, otherwise, the vibration disks cannot be matched with the roller 14.
As an alternative embodiment, as shown in fig. 1, the supporting structure includes a bottom plate 15 and a plurality of guide sleeves 16, each guide sleeve 16 is vertically disposed on the bottom plate 15, the lower end of the vibrating plate 13 is connected to a plurality of vertically disposed guide pillars 17, the guide pillars 17 are movably disposed in the guide sleeves 16 along the vertical direction, and the number of the guide pillars 17 is the same as that of the guide sleeves 16, and the guide sleeves 16 are in one-to-one correspondence. In a preferred embodiment, the guide sleeves 16 and the guide pillars 17 are four and distributed at four corner positions of the vibrating plate 13, and the guide sleeves 16 are linear bearings.
So set up, refined the portable concrete structure who sets up of vibration board 13, and guaranteed vibration board 13's horizontal stability, the wayward slope reduces frictional force through linear bearing moreover, makes vibration board 13, guide pillar 17's vertical movement more smooth and easy.
In the preferred embodiment, the guide post 17 is sleeved with a cushion 18, and the cushion 18 is located between the guide sleeve 16 and the vibrating plate 13. Specifically, the guide bush 16 and the vibration plate 13 are generally made of metal, and abrasion and noise are generated when they collide with each other. In this way, the cushion pad 18 protects the guide bush 16 and the vibration plate 13 from noise.
The powder micro-sampling device is specifically described with reference to the above embodiments, in this embodiment, the powder micro-sampling device includes a supporting structure, a vibrating structure and a double-spiral conveying structure, where the supporting structure includes a bottom plate 15 and a plurality of guide sleeves 16 vertically arranged on the bottom plate 15, and the bottom plate 15 is provided with a roller 14; the vibrating structure comprises a vibrating shaft 10, a vibrating disk 12 and a vibrating plate 13, the double-helix structure comprises a bin 2, the vibration plate 13 is connected with a bearing seat 11, a vibration shaft 10 is arranged below the vibration plate 13 through a bearing and the bearing seat 11, the end part of the vibration shaft 10 is connected with a vibration disc 12, the vibration plate 13 is provided with an opening 20 for extending the upper end of the vibration disc 12, a plurality of arc-shaped grooves 1201 are uniformly distributed on the periphery of the vibration disc 12, the outer surface of a roller 14 is matched with the wall surface of the arc-shaped grooves 1201, the lower end of the vibration plate 13 is connected with a plurality of guide posts 17, the guide posts 17 are movably arranged in a guide sleeve 16, the guide posts 17 and the guide sleeve 16 are in the same number and are in one-to-one correspondence, a cushion 18 is sleeved on the periphery of each guide post 17, and the cushion 18 is positioned between the guide sleeve 16 and the vibration plate 13; output shaft hob 3 of motor 1, the tip of two hobs 3 is equipped with first gear 5 and second gear 6 respectively, first gear 5 meshes with first gear 5 mutually, the output shaft of motor 1 still is connected with first band pulley 7, the end connection of vibration axle 10 has second band pulley 8, first band pulley 7 and second band pulley 8 pass through drive belt 9 transmission and connect, two hobs 3 set up in feed bin 2, feed bin 2 is equipped with pan feeding mouth 201 and discharge gate 202, two hobs 3 all set up along pan feeding mouth 201 to the direction of discharge gate 202, two hobs 3 parallel arrangement, the quantity of the spiral portion 401 of two helical blade 4 is the same and structure, the size is all the same, each spiral portion 401 of one of helical blade 4 stretches into respectively between two adjacent spiral portions 401 of each group of another helical blade 4.
So set up, the vibrating structure realizes the vibratory feeding of double helix structure and the structure setting of two hob 3, guarantees the feed precision when realizing guaranteeing feed speed, and vibrating structure is simple relatively moreover, and the cost is lower.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The multiple schemes provided by the invention comprise basic schemes, are independent from each other and are not restricted with each other, but can be combined with each other under the condition of no conflict, so that multiple effects are realized together.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A powder micro-loading device, comprising:
the supporting structure is provided with an engaging piece;
the vibration structure comprises a power device for providing rotary power, a vibration shaft (10) in transmission connection with the power device, a vibration disc (12) connected with the vibration shaft (10), and a vibration plate (13) movably arranged on the support structure along the vertical direction, wherein the power device is arranged on the vibration plate (13), the power device drives the vibration shaft (10) and the vibration disc (12) to synchronously rotate, the vibration plate (13) is rotatably connected with the vibration shaft (10), a plurality of grooves are uniformly distributed on the periphery of the vibration disc (12), and the meshing part is matched with each groove;
double helix transport structure, including feed bin (2), with two hob (3) that the power device transmission is connected, feed bin (2) sets up vibration board (13) is last, feed bin (2) are equipped with pan feeding mouth (201) and discharge gate (202), two hob (3) all are located in feed bin (2) and all follow pan feeding mouth (201) extremely the direction setting of discharge gate (202), two the periphery of hob (3) all is equipped with helical blade (4), two helical blade (4) all include a plurality of helical part (401) that are connected, one of them helical blade (4) helical part (401) stretch into another adjacent two of helical blade (4) between helical part (401).
2. The powder micro-loading device according to claim 1, wherein two spiral rods (3) are arranged in parallel, the number of the spiral parts (401) of two spiral blades (4) is the same, and the structure and the size of the spiral parts are the same, wherein each spiral part (401) of one spiral blade (4) extends into between each group of two adjacent spiral parts (401) of the other spiral blade (4).
3. The powder micro-sampling device according to claim 2, wherein the ends of the two screw rods (3) are respectively provided with a first gear (5) and a second gear (6), and the first gear (5) is meshed with the first gear (5).
4. The powder micro-sample-adding device according to claim 1, wherein the power device is a motor (1), an output shaft of the motor (1) is connected with the screw rod (3), a first belt wheel (7) is connected with the output shaft of the motor (1), a second belt wheel (8) is connected with the end part of the vibration shaft (10), and the first belt wheel (7) and the second belt wheel (8) are in transmission connection through a transmission belt (9).
5. The powder micro-loading device according to claim 1, wherein the groove is an arc-shaped groove (1201), and the outer surface of the engaging member is engaged with a groove wall surface of the arc-shaped groove (1201).
6. The powder micro-loading device according to claim 5, wherein the engaging member is a roller (14), and an axis of the roller (14) is parallel to the vibration axis (10).
7. The powder micro-loading device according to claim 1, wherein a bearing seat (11) is connected to the vibrating plate (13), and the vibrating shaft (10) is mounted on the vibrating plate (13) through a bearing and the bearing seat (11).
8. The powder micro-loading device according to claim 1, wherein the vibrating disk (12) is located below the vibrating plate (13), and an opening (20) for allowing the upper end of the vibrating disk (12) to protrude is provided on the vibrating plate (13), the width and length of the opening (20) are respectively greater than the width and length of the vibrating disk (12) at the opening (20), and the vibrating disk (12) is detachably connected to the vibrating shaft (10).
9. The powder micro-sampling device according to claim 1, wherein the supporting structure comprises a bottom plate (15) and a plurality of guide sleeves (16) vertically arranged on the bottom plate (15), the lower end of the vibrating plate (13) is connected with a plurality of vertically arranged guide pillars (17), the guide pillars (17) are movably arranged in the guide sleeves (16) along the vertical direction, and the number of the guide pillars (17) and the number of the guide sleeves (16) are the same and are in one-to-one correspondence.
10. The powder micro-loading device according to claim 9, wherein a buffer pad (18) is sleeved on the outer periphery of the guide pillar (17), and the buffer pad (18) is located between the guide sleeve (16) and the vibrating plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010735494.3A CN113998484B (en) | 2020-07-28 | 2020-07-28 | Powder trace sample adding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010735494.3A CN113998484B (en) | 2020-07-28 | 2020-07-28 | Powder trace sample adding device |
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| CN113998484A true CN113998484A (en) | 2022-02-01 |
| CN113998484B CN113998484B (en) | 2023-06-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024066273A1 (en) * | 2022-09-29 | 2024-04-04 | 时新(上海)产品设计有限公司 | Sample adding device |
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| CN113998484B (en) | 2023-06-02 |
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