CN115598366A - Automatic powder adding device - Google Patents

Abstract

The invention discloses an automatic powder feeding device which comprises a feeding mechanism, a rotating mechanism, a guiding mechanism, a rack and salt powder tubes sealed by sealing covers, wherein the feeding mechanism, the rotating mechanism and the guiding mechanism are all installed on the rack, the feeding mechanism comprises salt tube storage bins, guide grooves and rollers, a plurality of salt tube storage bins can be arranged, different types of salt powder can be fed as required, the salt tube storage bins can also store a large number of salt powder tubes, the salt powder tubes can be driven to fall into tube grooves through the rollers, the salt powder tubes pass through curved channels in the guide grooves and fall into the rotating mechanism to complete feeding, the rotating mechanism can realize automatic uncovering of the salt powder tubes, salt powder guiding out of the salt powder tubes is completed, the salt powder tubes are added into sample tubes, and uncovering and guiding in are completed. The invention can isolate the contact between the salt powder and the air, reduce the salt powder floating when adding the salt powder, realize mass salt addition and the feeding of different types of salt powder according to the requirements, has compact integral structure, integrates the feeding, the cover opening and the guiding into a whole, has high automation degree and improves the salt adding efficiency.

Description

Automatic powder adding device

Technical Field

The invention belongs to the technical field of experimental instruments, and particularly relates to an automatic powder adding device.

Background

In laboratory sample pretreatment process, need frequently add salt to the sample cell, the tradition mode of adding salt generally is that operating personnel passes through sampling tool earlier, take out the salt powder from the salt bucket, then put into the sample cell with the salt powder in.

Some have on the market replaced the manual work to carry out the automatic salt equipment that adds of salt to the sample cell, these automatic salt equipment generally pass through the vibration or spiral defeated salt, only need add the salt powder at salt bucket opening part in advance during the use to vibration or rotation just can realize automatic salt powder that adds in the exit, though automatic salt equipment has solved artifical salt powder and has makeed mistakes easily, problem with low efficiency, but the following problem can appear:

as is known, the salt powder has hygroscopicity, when the salt barrel needs to be salted and the outlet of the salting equipment is opened, air can also enter the salt barrel through the outlet, the salt powder in the salt barrel can agglomerate after absorbing moisture in the air, and if the agglomeration is serious, the outlet of the salting equipment can be blocked, so that the fault rate of the salting equipment is high, and the salting precision is low; salt powder is easy to overflow from the salt barrel and each guide channel and outlet in the salt barrel due to pressure, so that pollution and corrosion to other parts in the equipment are caused, therefore, the salt adding equipment also needs to ensure higher sealing performance and has higher requirement on production standard; in addition, the salt adding equipment has a single type of added salt powder, and the requirement that different types of salt powder are packaged and fed through salt pipes with the same specification cannot be met.

Disclosure of Invention

The invention aims to provide an automatic powder adding device which can isolate salt powder from contacting with air, reduce salt powder from floating out when the salt powder is added, realize the feeding of different types of salt powder according to requirements, realize the automatic operation of feeding, uncovering and guiding in only by loading a salt powder pipe when in use, can be applied to large-batch salt adding, improve the salt adding efficiency and has a compact integral structure.

In order to achieve the above purpose, the solution of the invention is as follows: an automatic powder adding device comprises a feeding mechanism, a rotating mechanism, a leading-in mechanism, a rack and a salt powder pipe;

the salt powder pipe comprises a salt powder pipe body and a sealing cover, wherein salt powder is loaded on the salt powder pipe body, and a pipe opening at the top of the salt powder pipe is covered and sealed by the sealing cover;

the feeding mechanism comprises at least one salt tube storage bin, a guide groove, a roller driving motor and rollers, wherein the roller driving motor and the rollers are matched with the salt tube storage bin, the salt tube storage bin is arranged at the top of the rack, a tube outlet is formed in the bottom of the salt tube storage bin, the rollers are arranged at the tube outlet and are in contact with salt powder tubes in the salt tube storage bin, a transverse groove for clamping the salt powder tubes is formed in the axial direction of the rollers, the rollers are connected with the roller driving motor, the guide groove is located under the rollers, one side, corresponding to a salt powder tube sealing cover, of the guide groove is downwards inclined and bent along the other side to form a curved channel, and the roller driving motor drives the rollers to drive the salt powder tubes in the transverse groove to rotate to the position right above the curved channel and fall into the curved channel;

the rotating mechanism comprises a turnover driving motor, a rotating seat, an uncovering rotating cylinder, a deflector rod, a reciprocating cylinder and a knocking shaft, the turnover driving motor is connected with the rotating seat, a pipe groove is formed in the rotating seat, the top of the pipe groove corresponds to the position under the curved channel, the top of the knocking shaft penetrates through the bottom of the pipe groove and abuts against the salt powder pipe, the knocking shaft is connected with the reciprocating cylinder, and the deflector rod is arranged on the front side of the top of the rotating seat and connected with the uncovering rotating cylinder;

the import mechanism is including swing conical hopper and sample nest of tubes, swing conical hopper is on a parallel with one side of rotary mechanism, the top of swing conical hopper is rotated and is connected in the frame, swing conical hopper inclines to rotary mechanism, the sample nest of tubes sets up under swing conical hopper, swing conical hopper's inner wall supplies the rotatory mouth of pipe that drives the salt powder pipe of roating seat bumps and touches.

Further, salt pipe storage bin is equipped with two, gyro wheel driving motor and gyro wheel set up two sets of with salt pipe storage bin is supporting, the guide slot sets up to the structure of falling triangle-shaped, two waists of falling triangle-shaped are the arc of incurving, the topside and the bottom point department intercommunication of falling triangle-shaped form bent shape passageway, two the gyro wheel is arranged side by side in the top at bent shape passageway top.

Furthermore, an inserting plate is arranged above the outlet pipe orifice and used for opening and closing the outlet pipe orifice.

Furthermore, a slope used for conveying the salt powder pipe to the outlet pipe mouth is arranged in the salt pipe storage bin.

Further, rotary mechanism still includes hold-in range transport structure, the roating seat passes through hold-in range transport structure and is connected with upset driving motor.

Further, rotary mechanism still includes connecting rod and spring, the roating seat extends to form the fixed block that has the through-hole, the afterbody of reciprocating cylinder's piston rod passes the through-hole of fixed block and is connected with the one end of connecting rod, the other end of connecting rod with strike the hub connection, be equipped with the flange on the piston rod, the spring housing is put on reciprocating cylinder's piston rod, the one end butt of spring is in the flange below, other end butt is in the fixed block top.

Furthermore, the leading-in mechanism still includes the extension spring, the extension spring is located between swing conical hopper and the rotary mechanism, the one end of extension spring is connected on swing conical hopper, the extension spring other end is connected in the frame to the pulling swing conical hopper inclines to rotary mechanism.

Further, leading-in mechanism still includes spacing bolt, set up one in the frame of swing conical hopper top and supply spacing bolt complex to erect form screw hole, the bottom of spacing bolt leaves the clearance with the top of swing conical hopper, and when the top slope of swing conical hopper, the top of swing conical hopper is contradicted with the bottom of spacing bolt and is spacing.

Furthermore, the bottom of the sample tube group is provided with a displacement mechanism which drives the sample tube group to move horizontally.

After the scheme is adopted, the gain effect of the invention is as follows:

compared with the prior art, the salt powder tube is sealed by the salt powder tube body through the sealing cover, so that air permeation is isolated, and the salt powder is prevented from caking fundamentally; moreover, rotary mechanism can realize that the salt powder pipe is automatic uncaps, accomplish the salt powder derivation of salt powder pipe and add the sample cell, at this in-process, swing conical hopper can mutually support with the salt powder pipe all the time, both avoid the salt powder to spill, guarantee again that the salt powder can be derived in the same direction as smooth, furthermore, still when the salt powder is led in, utilize the effect that the action of beating the axle formed the salt powder of shaking off, improve the discharge efficiency of salt powder, reduce the salt powder and manage remaining in the salt powder. In conclusion, the automatic salt adding machine is compact in overall structure, integrates the functions of feeding, uncovering and guiding, can realize large-batch salt adding, is high in automation degree, and improves the salt adding efficiency.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a second schematic structural view of the present invention;

FIG. 4 is a schematic view of the feeding mechanism of the present invention;

FIG. 5 is a first schematic structural view of a rotary mechanism according to the present invention;

FIG. 6 is a second schematic structural view of the rotating mechanism of the present invention;

FIG. 7 is a schematic view of the construction of the swinging conical hopper of the present invention;

fig. 8 is a schematic view of the sample tube set and displacement mechanism of the present invention.

Description of the reference symbols:

1. a feeding mechanism; 11. a salt pipe storage bin; 111. an outlet pipe orifice; 112. inserting plates; 113. a slope; 12. a guide groove; 121. a curved channel; 13. a roller driving motor; 14. a roller; 141. a transverse groove; 2. a rotation mechanism; 21. turning over a driving motor; 22. a rotating base; 221. a pipe groove; 222. a fixed block; 223. a capacitive sensor; 23. opening a cover to rotate the cylinder; 24. a deflector rod; 25. a reciprocating cylinder; 251. a piston rod; 252. a spring; 253. a flange; 26. knocking the shaft; 27. a connecting rod; 28. a synchronous belt conveying structure; 29. a color code sensor; 3. a lead-in mechanism; 31. swinging the conical funnel; 311. a funnel base; 312. a funnel body; 313. a pin; 314. an L-shaped groove; 32. a tension spring; 33. a limit bolt; 34. a set of sample tubes; 341. a sample tube; 4. a frame; 5. a salt powder pipe; 51. a salt powder pipe body; 52. a sealing cover; 6. a displacement mechanism; 61. the displacement drives the motor.

Detailed Description

The invention is described in detail below with reference to the drawings and specific embodiments.

The invention provides an automatic powder feeding device which comprises a feeding mechanism 1, a rotating mechanism 2, a leading-in mechanism 3, a rack 4 and a salt powder pipe 5.

According to the standard of the pretreatment industry, the consumable of the salt powder pipe 5 is customized, referring to fig. 4, the salt powder pipe 5 comprises a sealing cover 52 and a salt powder pipe body 51, a pipe opening is formed in the top of the salt powder pipe body 51, salt powder is loaded on the salt powder pipe body 51, and the pipe opening is covered and sealed by the sealing cover 52.

Referring to fig. 1 and 4, the feeding mechanism 1 includes at least one salt tube storage bin 11, a guide groove 12, a roller driving motor 13 and rollers 14, the roller driving motor 13 and the rollers 14 are disposed in cooperation with the salt tube storage bin 11, the salt tube storage bin 11 is disposed at the top of the rack 4, a plurality of salt powder tubes 5 are stored in the salt tube storage bin 11 to realize large-batch feeding, the top of the salt tube storage bin 11 is open, the salt powder tubes 5 are put in from the top of the salt tube storage bin 11, a nozzle 111 is disposed at the bottom of the salt tube storage bin 11, the rollers 14 are disposed at the nozzle 111 and contact with the salt powder tubes 5 in the salt tube storage bin 11, a transverse groove 141 for clamping the salt powder tubes 5 is axially disposed on the rollers 14, the rollers 13 are disposed at the bottom of the salt tube storage bin 11, the rollers 14 are connected to the roller driving motor 13, the guide groove 12 is disposed directly below the rollers 14, one side of the guide groove 12 corresponding to the salt powder tube 5 is bent along a sealing cover to form a curved passage 121, and the rollers drive the rollers 14 to rotate the curved passage 121.

Referring to fig. 1 and 4, the salt tube storage bins 11 may be provided in plurality, and different types of salt powder may be stored in the salt tube storage bins 11, and automatic feeding may be selected by the system according to sample processing requirements, so as to feed different types of salt powder as required. As a preferred embodiment, the salt tube storage bin 11 is provided with two salt tube storage bins 11, so as to realize the on-demand feeding of two kinds of salt powders, the roller driving motor 13 and the roller 14 are provided with two sets of salt tube storage bin 11, the guide slot 12 is provided with an inverted triangle structure, two waists of the inverted triangle are in an arc shape bending inward, the top edge and the bottom point of the inverted triangle are communicated to form a curved channel 121, two rollers 14 are arranged above the top of the curved channel 121 side by side, each of the salt tube storage bin 11 is provided with an inserting plate 112 above the outlet pipe 111, the inserting plate 112 is used for opening and closing the outlet pipe 111, the salt tube storage bin 11 is further provided with a slope 113 for conveying the salt powder tube 5 to the outlet pipe 111, the slope 113 is inclined downward from the top of the salt tube storage bin 11 to the outlet pipe 111, the salt powder tube 5 is placed from the top of the salt tube storage bin 11 and then falls onto the slope 113, the salt powder tube 5 is influenced by gravity and slides to the outlet pipe 111, and then slides to the roller 14 falls into the curved channel 121, and the roller 14 is driven by the gravity, and the roller driving mechanism drives the roller 121 to rotate horizontally and the inlet pipe 121 to fall into the curved channel 121, and the vertical roller 14 to drive the vertical salt tube 121 to fall.

Referring to fig. 2, 3, 5 and 6, the rotating mechanism 2 includes a turning driving motor 21, a rotating base 22, an uncovering rotating cylinder 23, a shift lever 24, a reciprocating cylinder 25, a knocking shaft 26 and a connecting rod 27, the turning driving motor 21 is connected with the rotating base 22, a synchronous belt transmission structure 28 is arranged between the turning driving motor 21 and the rotating base 22, the rotating base 22 is connected with the turning driving motor 21 through the synchronous belt transmission structure 28, and the turning driving motor 21 drives the rotating base 22 to rotate through the synchronous belt transmission structure 28; a vertical pipe groove 221 is formed in the rotating base 22, the top of the pipe groove 221 corresponds to the position right below the curved channel 121, and the salt powder pipe 5 falling out of the curved channel 121 falls into the pipe groove 221; the shifting rod 24 is arranged on the front side of the top of the rotating seat 22 and connected with the uncovering rotating cylinder 23, the uncovering rotating cylinder 23 is fixed on the rack 4 on the front side of the top of the rotating seat 22, after the salt powder pipe 5 falls into the pipe groove 221, the overturning driving motor 21 drives the rotating seat 22 to rotate forwards until the sealing cover 52 of the salt powder pipe 5 is close to the shifting rod 24, and the uncovering rotating cylinder 23 drives the shifting rod 24 to rotate upwards to shift the sealing cover 52 open to complete uncovering; the top of the knocking shaft 26 passes through the bottom of the pipe groove 221 and abuts against the salt powder pipe 5, the rotating seat 22 extends to form a fixing block 222 with a through hole, the tail of the piston rod 251 of the reciprocating cylinder 25 passes through the through hole of the fixing block 222 and is connected with one end of a connecting rod 27, and the other end of the connecting rod 27 is connected with the knocking shaft 26.

Referring to fig. 6, as a preferred embodiment, a piston rod 251 of the reciprocating cylinder 25 is further sleeved with a spring 252, the piston rod 251 is provided with a flange 253, one end of the spring 252 abuts against the lower side of the flange 253, the other end of the spring abuts against the upper side of the fixing block 222, the reciprocating cylinder 25 is started to enable the piston rod 251 to make telescopic motion, the piston rod 251 extends out to drive the connecting rod 27 to descend, so as to drive the knocking shaft 26 to descend away from the salt powder tube 5, at this time, the spring 252 is in a compressed state, the piston rod 251 retracts to drive the connecting rod 27 to ascend, the spring 252 is stretched and reset, and the knocking shaft 26 is pushed to ascend to knock the bottom of the salt powder tube 5, so as to realize the knocking action on the salt powder tube 5 during the salt adding, improve the salt powder discharging efficiency, and reduce the salt powder residue in the salt powder tube 5.

Referring to fig. 2, as a preferred embodiment, a capacitance sensor 223 may be disposed on the rotary base 22 for detecting whether the salt powder pipe 5 falls into the pipe groove 221, and determining whether the salt powder in the salt powder pipe 5 is completely discharged when the salt powder is introduced, wherein the capacitance sensor 223 is fixed outside the rotary base 22; a color code sensor 29 can be arranged at the top of the rotating base 22 for detecting whether the salt powder tube 5 is placed reversely, and the color code sensor 29 is arranged on the machine frame 4 at the right side of the top of the rotating base 22; a recycling bin (not shown in the figure) can be arranged below the rotary base 22, when the capacitance sensor 223 detects that the salt powder tube 5 falls into the tube slot 221, the color code sensor 29 detects the color of the top of the salt powder tube 5, the sealing cover 52 of the salt powder tube 5 is blue, if the color code sensor 29 detects that the top of the salt powder tube 5 is blue, the salt powder tube 5 is placed correctly, the rotary base 22 can rotate to drive the salt powder tube 5 to open the cover, if the color of the top of the salt powder tube 5 is not blue, the salt powder tube 5 is placed wrongly, the rotary base 22 rotates to rotate the salt powder tube 5 to the top of the recycling bin, and the knocking shaft 26 ejects the salt powder tube 5 to enable the salt powder tube 5 with the sealing cover 52 to fall into the recycling bin for recycling.

Referring to fig. 1 and 7, the introducing mechanism 3 includes a swing conical funnel 31, a tension spring 32, a limit bolt 33, and a sample tube set 34, the swing conical funnel 31 is parallel to one side of the rotating mechanism 2, the top of the swing conical funnel 31 is rotatably connected to the frame 4, the tension spring 32 is located between the swing conical funnel 31 and the rotating mechanism 2, one end of the tension spring 32 is connected to the swing conical funnel 31, the other end of the tension spring is connected to the frame 4, and pulls the swing conical funnel 31 to incline towards the rotating mechanism 2, the sample tube set 34 is arranged right below the swing conical funnel 31, and the inner wall of the swing conical funnel 31 is used for the rotating base 22 to rotate to drive the tube mouth of the salt powder tube 5 to touch; offer one on the frame 4 of swing cone funnel 31 top and supply the vertical form screw hole of spacing bolt 33 complex, the clearance that moves is left with the top of swing cone funnel 31 in the bottom of spacing bolt 33, the top of swing cone funnel 31 can conflict with the bottom of spacing bolt 33 and restrict swing cone funnel 31 further slope, reverse reason, can control the clearance size through control spacing bolt 33 to can control the gradient of swing cone funnel 31, make roating seat 22 can rotate the mouth of pipe that drives salt powder pipe 5 touch the inner wall of swing cone funnel 31, salt powder of salt powder pipe 5 receives gravity and down pours into the sample cell 341 of sample nest 34 along the inner wall of swing cone funnel 31 in, accomplish the derivation of salt powder.

As a further improvement, the bottom of the sample tube set 34 is provided with a displacement mechanism 6, the displacement mechanism 6 is driven by a displacement driving motor 61, and the displacement mechanism 6 can drive the sample tube set 34 filled with salt powder to be transported away and can also convey the empty sample tube set 34 to the lower part of the swinging conical funnel 31.

Because salt powder comes out from salt powder pipe 5 and only contacts with swing cone funnel 31, consequently need keep swing cone funnel 31 clean, in order to make things convenient for swing cone funnel 31's washing to maintain, this embodiment designs swing cone funnel 31 into detachable construction, specifically, swing cone funnel 31 includes funnel seat 311 and funnel body 312, the top of funnel seat 311 rotates to be connected on frame 4, and the bottom both sides of funnel seat 311 are equipped with pin 313 protrudingly respectively, and "L" type groove 314 is seted up to funnel body 312 both sides, and during the installation, "L" type groove 314 of funnel body 312 transversely impels along pin 313 along, and the groove top that pulls down messenger "L" type groove 314 hangs on pin 313. When the funnel body 312 is detached, the funnel body 312 is lifted upwards by holding the funnel body 312, and the "L" shaped groove 314 is withdrawn from the pin 313, thereby completing the separation of the funnel body 312 from the funnel seat 311.

The working process of the invention is as follows:

firstly, the salt powder tube 5 is put into the salt tube storage bin 11 from the top, the salt powder tube 5 slides onto the inserting plate 112 along the slope 113, the inserting plate 112 is pulled to open the tube outlet 111, so that the salt powder tube 5 falls into the transverse groove 141 of the roller 14, the roller driving motor 13 drives the roller 14 to rotate, so that the salt powder tube 5 rotates to the position above the curved channel 121, so that the salt powder tube 5 falls into the curved channel 121, the salt powder tube 5 slides down along the curved channel 121, and is changed from the original horizontal state into the vertical state that the sealing cover 52 faces upwards under the influence of gravity, and then falls out from the bottom of the curved channel 121 and falls into the tube groove 221 of the rotating seat 22.

Then, the turnover driving motor 21 drives the rotary seat 22 to rotate forward until the sealing cover 52 of the salt powder pipe 5 is close to the shifting lever 24, the uncovering rotary cylinder 23 drives the shifting lever 24 to rotate upward to shift the sealing cover 52 open, the sealing cover 52 falls into the recycling bin, the rotary mechanism 2 continues to rotate to make the pipe orifice of the salt powder pipe 5 start to touch the inner wall of the inclined swinging conical funnel 31, along with the increase of the rotation angle, the salt powder pipe 5 pushes the swinging conical funnel 31 to rotate by taking the top as the rotation center, meanwhile, under the action of the tension spring 32, the inner wall of the swinging conical funnel 31 is always attached to the pipe orifice of the salt powder pipe 5 to form sealing gradually, so as to prevent salt powder from overflowing, along with the continuous increase of the rotation angle, when the pipe orifice starts to face downward, a gap is exposed between the pipe orifice of the salt powder pipe 5 and the inner wall of the swinging conical funnel 31, and then, salt powder is poured into a sample tube of the sample tube group 34 downwards along the inner wall of the swing conical funnel 31, the reciprocating cylinder 25 drives the knocking shaft 26 to knock the bottom of the salt powder tube 5 through the connecting rod 27, residual salt powder in the salt powder tube 5 is poured out of the tube under the action of gravity and impact force and flows into the sample tube 341 through the swing conical funnel 31, the salt powder is guided out, the capacitance sensor 223 senses the change of capacitance value, the salt powder in the salt powder tube 5 is judged to be completely guided out through the change, the rotating mechanism 2 continuously rotates, when the tube opening turns to the recovery barrel, the reciprocating cylinder 25 drives the knocking shaft 26 to knock the bottom of the salt powder tube 5 again, the salt powder tube 5 falls into the recovery barrel under the action of gravity and impact force, the salt powder tube 5 is guided out, and finally the rotating seat 22 is driven to rotate and reset to the initial state by the overturning driving motor 21, and the next salt powder tube 5 is waited to enter.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the design of the present invention, and all equivalent changes made in the design key point of the present invention fall within the protection scope of the present invention.

Claims (9)

1. The utility model provides an automatic powder adding device which characterized in that: comprises a feeding mechanism, a rotating mechanism, a leading-in mechanism, a frame and a salt powder pipe;

the salt powder pipe comprises a salt powder pipe body and a sealing cover, wherein salt powder is loaded on the salt powder pipe body, and a pipe opening at the top of the salt powder pipe is covered and sealed by the sealing cover;

the feeding mechanism comprises at least one salt tube storage bin, a guide groove, a roller driving motor and rollers, wherein the roller driving motor and the rollers are matched with the salt tube storage bin, the salt tube storage bin is arranged at the top of the frame, a tube outlet is formed in the bottom of the salt tube storage bin, the rollers are arranged at the tube outlet and are in contact with a salt powder tube in the salt tube storage bin, a transverse groove for clamping the salt powder tube is formed in the axial direction of the rollers, the rollers are connected with the roller driving motor, the guide groove is located under the rollers, one side, corresponding to a salt powder tube sealing cover, of the guide groove is downwards inclined along the other side to form a curved channel, and the roller driving motor drives the rollers to drive the salt powder tube in the transverse groove to rotate to be right above the curved channel and fall into the curved channel;

the rotating mechanism comprises a turnover driving motor, a rotating seat, an uncovering rotating cylinder, a deflector rod, a reciprocating cylinder and a knocking shaft, the turnover driving motor is connected with the rotating seat, a pipe groove is formed in the rotating seat, the top of the pipe groove corresponds to the position under the curved channel, the top of the knocking shaft penetrates through the bottom of the pipe groove and abuts against the salt powder pipe, the knocking shaft is connected with the reciprocating cylinder, and the deflector rod is arranged on the front side of the top of the rotating seat and connected with the uncovering rotating cylinder;

the import mechanism is including swing conical hopper and sample nest of tubes, swing conical hopper is on a parallel with one side of rotary mechanism, the top of swing conical hopper is rotated and is connected in the frame, swing conical hopper inclines to rotary mechanism, the sample nest of tubes sets up under swing conical hopper, swing conical hopper's inner wall supplies the rotatory mouth of pipe that drives the salt powder pipe of roating seat bumps and touches.

2. The automatic powdering device according to claim 1, wherein: salt pipe storage compartment is equipped with two, gyro wheel driving motor and gyro wheel set up two sets ofly with salt pipe storage compartment is supporting, the guide slot sets up to the structure of falling triangle-shaped, two waists of falling triangle-shaped are the arc of incurving, the new topside of falling triangle forms bent shape passageway with bottom point department intercommunication, two the gyro wheel is arranged side by side in the top at bent shape passageway top.

3. The automatic powder adding device as claimed in claim 1, wherein: and an inserting plate is arranged above the outlet pipe orifice and used for opening and closing the outlet pipe orifice.

4. The automatic powdering device according to claim 1, wherein: the salt tube storage bin is internally provided with a slope used for conveying the salt powder tube to the outlet.

5. The automatic powder adding device as claimed in claim 1, wherein: the rotating mechanism further comprises a synchronous belt conveying structure, and the rotating seat is connected with the overturning driving motor through the synchronous belt conveying structure.

6. The automatic powdering device according to claim 1, wherein: rotary mechanism still includes connecting rod and spring, the roating seat extends and forms the fixed block that has the through-hole, the afterbody of reciprocating cylinder's piston rod passes the through-hole of fixed block and is connected with the one end of connecting rod, the other end of connecting rod with strike the hub connection, be equipped with the flange on the piston rod, the spring housing is put on reciprocating cylinder's piston rod, the one end butt of spring is in the flange below, and other end butt is in the fixed block top.

7. The automatic powder adding device as claimed in claim 1, wherein: the guide-in mechanism further comprises a tension spring, the tension spring is located between the swinging conical funnel and the rotating mechanism, one end of the tension spring is connected to the swinging conical funnel, the other end of the tension spring is connected to the rack, and the swinging conical funnel is pulled to incline towards the rotating mechanism.

8. The automatic powder adding device as claimed in claim 1, wherein: the guiding mechanism further comprises a limiting bolt, a vertical threaded hole for matching the limiting bolt is formed in the rack above the swinging conical funnel, a movable gap is reserved between the bottom of the limiting bolt and the top of the swinging conical funnel, and when the top of the swinging conical funnel is inclined, the top of the swinging conical funnel is abutted to the bottom of the limiting bolt for limiting.

9. The automatic powdering device according to claim 1, wherein: and the bottom of the sample tube group is provided with a displacement mechanism, and the displacement mechanism drives the sample tube group to move horizontally.

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