CN210427482U - Sieve plate filling mechanism and automatic column filling machine - Google Patents
Sieve plate filling mechanism and automatic column filling machine Download PDFInfo
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- CN210427482U CN210427482U CN201921317840.5U CN201921317840U CN210427482U CN 210427482 U CN210427482 U CN 210427482U CN 201921317840 U CN201921317840 U CN 201921317840U CN 210427482 U CN210427482 U CN 210427482U
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Abstract
The utility model discloses a sieve plate filling mechanism and an automatic column filling machine, wherein the sieve plate filling mechanism comprises a sieve plate feeding mechanism and a sieve plate positioning mechanism, the sieve plate feeding mechanism comprises a vertically arranged tubular punch head, the tubular punch head is connected with a negative pressure mechanism, and the lower end part of the tubular punch head sucks a sieve plate and moves downwards so as to send the sieve plate into a sampling pipe; the sieve plate positioning mechanism comprises a base plate, a supporting plate and a driving mechanism for driving the supporting plate to move linearly; a vertical passage is provided on the base plate for the tubular punch to pass through, and a horizontal first guide groove is provided in communication with the passage so that the pallet can be inserted into the first guide groove and can block the passage; and a feeding port communicated to the channel is arranged on one side of the substrate and is positioned above the supporting plate. The utility model discloses a carry out batch to the chromatogram separation sampling pipe and load, greatly improved the filling efficiency and the precision of loading of chromatogram sampling pipe.
Description
Technical Field
The invention is used for automatically filling chromatographic separation sampling pipes, and particularly relates to a sieve plate filling mechanism and an automatic column filling machine.
Background
In the field of chemical separation, chromatographic separation sampling tubes are widely applied to various industries such as food safety, medicine analysis, environmental monitoring, clinical detection, judicial appraisal, electronics, textiles, petrochemical engineering and the like. The need of chromatographic separation sampling tube is at column tube packing lower sieve, ration powder, last sieve, when filling in batches to this kind of sampling tube, and manual filling just has filling efficiency low, filling precision low grade shortcoming.
Disclosure of Invention
The invention provides a sieve plate filling mechanism and an automatic column filling machine for solving the technical problems in the prior art, and the filling efficiency and precision of a chromatographic sampling tube are greatly improved.
The invention comprises the following technical scheme:
a sieve plate filling mechanism is characterized by comprising a sieve plate feeding mechanism and a sieve plate positioning mechanism, wherein the sieve plate feeding mechanism comprises a vertically arranged tubular punch, the tubular punch is connected to a negative pressure mechanism, and the lower end part of the tubular punch sucks a sieve plate and moves downwards so as to fill the sieve plate into a sampling pipe; the sieve plate positioning mechanism comprises a base plate, a supporting plate and a driving mechanism for driving the supporting plate to move linearly; a vertical passage is provided on the base plate for the tubular punch to pass through, and a horizontal first guide groove is provided in communication with the passage so that the pallet can be inserted into the first guide groove and can block the passage; and a feeding port communicated to the channel is arranged on one side of the substrate and is positioned above the supporting plate.
Further, the channel comprises a first part positioned above the feeding port, a second part facing the feeding port and a third part positioned below the supporting plate; the inner side wall of at least the upper part of the third part is in an inverted cone shape.
Furthermore, the cross section of the second part is square, and the side length of the square is equal to the diameter of the sieve plate.
Furthermore, the base plate comprises an upper sieve plate limiting plate and a lower sieve plate correcting plate, and the lower sieve plate correcting plate is fixed below the upper sieve plate limiting plate; the channel penetrates through the upper limiting plate and the lower straightening plate of the sieve plate; the first part is positioned on a limiting plate on the sieve plate; the first guide groove begins from the upper end surface of the lower straightening plate of the sieve plate; a positioning table is arranged on the lower end face of the limiting plate on the sieve plate and enters the first guide groove; one side of the positioning table close to the channel is a plane, and the second part is opposite to the positioning table.
The screen plate enters the second part of the channel from the feeding port, and the edge of the screen plate is tangent to the lower straightening plate and the positioning table of the screen plate. When the supporting plate is inserted into the first guide groove, the bottom surface of the positioning table compresses the top surface of the supporting plate, and one side of the positioning table, which is close to the channel, is tightly attached to the side surface of the sieve plate.
Further, the side wall of the first part is provided with an opening. The opening is convenient for the tubulose drift to breathe in and is convenient for observe whether absorption of sieve is counterpointed.
Further, the driving mechanism is an air cylinder driving device or a lead screw motor driving device. The driving device is fixed on the base plate, so that the driving device is preferably an ultrathin cylinder with small volume and light weight.
Further, the sieve plate filling mechanism further comprises a stroke adjusting mechanism for adjusting the stroke of the tubular punch.
Further, the sieve plate feeding mechanism comprises a sliding block, a sliding rail and a guide block, wherein the sliding block is connected to the tubular punch, the sliding rail is fixed on the guide block, the sliding block comprises a limiting part, and the limiting part is inserted into a second guide groove on the guide block; the stroke adjusting mechanism comprises a limiting slide block and a limiting slide block driving device, and the limiting slide block driving device can drive the limiting slide block to move in the second guide groove, so that the maximum stroke of the limiting part is limited at a specified position.
Furthermore, the limiting slide block driving device is a jackscrew hand wheel, and a screw rod of the jackscrew hand wheel penetrates through a threaded hole in the limiting slide block. The position of the limiting slide block on the screw rod is adjusted by rotating the jackscrew hand wheel, so that the moving range of the limiting part of the slide block is limited.
The jackscrew hand wheel further comprises a position indicator, and the position of the jackscrew hand wheel driving limiting slide block can be visually displayed through the position indicator.
An automatic column filling machine comprises a machine table, a feeding mechanism, a sieve plate filling mechanism and a feeding mechanism.
Further, be equipped with the carousel on the board, be used for sending the sampling pipe that sets up on the carousel to sieve filling mechanism's station and filling mechanism's station.
Furthermore, the sieve plate filling mechanisms are two and are positioned on two sides of the station of the filling mechanism. The two sieve plate filling mechanisms are respectively an upper sieve plate filling mechanism and a lower sieve plate filling mechanism, and the upper sieve plate filling mechanism, the feeding mechanism and the lower sieve plate filling mechanism sequentially complete the process of filling the sampling pipe.
Further, feed mechanism is the vibration dish.
The invention has the advantages and positive effects that:
1. the sieve plate feeding mechanism adopts the vertically arranged tubular punch head to take and feed materials, and the lower end part of the tubular punch head sucks the sieve plate and moves downwards so as to feed the sieve plate into the sampling pipe.
2. The sieve plate positioning mechanism of the invention finishes feeding by adopting the base plate and the supporting plate to assist the sieve plate feeding mechanism. The base plate is provided with a vertical channel, a feeding port communicated to the channel and a horizontal first guide groove communicated with the channel, the feeding port is located above the supporting plate, and the supporting plate can be inserted into the first guide groove. The sieve plate is delivered to the upper part of the supporting plate inserted into the first guide groove through the feeding port, and is used by the sieve plate feeding mechanism.
3. The cross section of the second part of the vertical channel on the base plate is square with the same diameter as the sieve plate, and the design of the square cross section can ensure that the outer edge of the sieve plate is tangent with three edges of the square cross section when the sieve plate is in the second part of the channel, thereby facilitating the automatic position alignment of the sieve plate.
4. At least the inner side wall of the upper part of the third part of the vertical channel on the base plate is in an inverted cone shape, the sieve plate can be prevented from accidentally falling from the channel due to the shape design of the inner side wall, and in addition, when the position of the sieve plate is deviated, the sieve plate can be automatically adjusted to the middle position aligned with the tubular punch through the extrusion of the inner side wall on the sieve plate, so that a sieve plate feeding mechanism can conveniently take the sieve plate.
5. The sieve plate filling mechanism of the invention adjusts the stroke of the tubular punch through the stroke adjusting mechanism. Because the sampling pipes of different batches filled by the sieve plate filling mechanism have different heights, the movement range of the sieve plate filling mechanism needs to be adjusted when the sampling pipes of different batches are filled, and therefore, a stroke adjusting mechanism needs to be arranged to limit the displacement of the sieve plate filling mechanism.
6. The automatic column filling machine disclosed by the invention realizes batch filling of the chromatographic separation sampling tubes through the combined operation mode of the machine table, the feeding mechanism, the sieve plate filling mechanism and the charging mechanism, so that the filling efficiency of the chromatographic separation sampling tubes is greatly improved.
Drawings
Fig. 1 is a schematic view of the overall structure of a sieve plate filling mechanism.
Fig. 2 is a schematic structural view of the stroke adjustment mechanism.
Fig. 3 is a schematic structural diagram of a sieve plate feeding mechanism.
Fig. 4 is a schematic structural view of the screen deck positioning mechanism.
Fig. 5 is a schematic bottom view of the screen deck positioning mechanism.
Figure 6 is a partial cross-sectional view of the screen plate loading mechanism as it draws the screen plate.
Figure 7 is a partial cross-sectional view of the screen plate loading mechanism prior to pressing the screen plate.
Figure 8 is a partial cross-sectional view of the screen plate loading mechanism as it presses the screen plate.
Fig. 9 is a partial schematic view of the structure of the screen plate loading mechanism when it is pressing the screen plate.
Fig. 10 is a schematic cross-sectional view of a screen plate loading mechanism.
FIG. 11 is a schematic view showing the external structure of the automatic column packing machine.
Fig. 12 is a schematic structural view of the main body of the automatic column mounting machine.
FIG. 13 is a schematic cross-sectional view of a machine.
Fig. 14 is a schematic view of the mounting structure of the locking block.
Figure 15 is a schematic cross-sectional perspective view of a screen plate loading mechanism.
Fig. 16 is a partially enlarged view of portion a of fig. 15.
Fig. 17 is another angle schematic of fig. 15.
Fig. 18 is a partially enlarged view of portion B of fig. 17.
In the figure, 1-stroke adjustment mechanism; 11-jackscrew handwheel; 12-a position indicator; 13-a screw rod; 14-a limit slide block; 142-a locking block; 15-mounting a plate; 16-a guide block; 161-a second guide groove; 17-a slide rail; 18-a rear cover plate; 19-oilless liner;
2-sieve plate feeding mechanism; 21-a limiting part; 22-a slide block; 23-a tubular punch; 24-a slider connection plate; 25-a connecting rod; 26-sieve plate tool support; 27-hexagonal nut;
3-a channel; 31-a substrate; 311-upper limiting plate of sieve plate; 312-straightening plate under the sieve plate; 32-a positioning table;
4-sieve plate positioning mechanism; 41-a first guide groove; 411-U-shaped groove; 412-feeding port; 42-a pallet; 43-ultra thin cylinder; 431-cylinder mount;
5-a machine table; 51-a hood; 52-a turntable; 53-station; 54-alarm lamp; 55-a touch screen; 56-distribution box; 57-a divider; 58-a coupler; 59-a rotating shaft;
6-a lower sieve plate filling mechanism; 61-vibrating plate of lower sieve plate;
7-a charging mechanism;
8-an upper sieve plate filling mechanism; 81-vibrating plate of upper sieve plate;
9-a sampling tube; 91-sieve plate.
Detailed Description
To further clarify the disclosure of the present invention, its features and advantages, reference is made to the following examples taken in conjunction with the accompanying drawings.
A sieve plate filling mechanism comprises a sieve plate feeding mechanism 2 and a sieve plate positioning mechanism 4, wherein the sieve plate feeding mechanism 2 comprises a vertically arranged tubular punch 23, the tubular punch 23 is connected to a negative pressure mechanism, and the lower end part of the tubular punch 23 sucks a sieve plate 91 and moves downwards so as to feed the sieve plate 91 into a sampling pipe 9; the sieve plate positioning mechanism 4 comprises a base plate 31, a supporting plate 42 and a driving mechanism for driving the supporting plate 42 to move linearly; a vertical passage 3 is provided on the base plate 31 for the tubular punch 23 to pass through, and a horizontal first guide groove 41 is provided, the first guide groove 41 communicating with the passage 3 so that the pallet 42 can be inserted into the first guide groove 41 and can block the passage 3; a feeding port 412 connected to the channel 3 is disposed at one side of the substrate 31, and the feeding port 412 is located above the supporting plate 42. As shown in fig. 15-18, the channel 3 comprises a first portion 3a located above the loading opening 412, a second portion 3b facing the loading opening 412, a third portion 3c located below the support plate 42, and a fourth portion 3d facing the support plate; the inside wall on third part 3c at least upper portion is the back taper, and the upper portion diameter of back taper is slightly greater than the sieve diameter promptly, and the back taper lower part is equal with the sieve diameter. The cross section of the second portion 3b is square, the side length of the square is equal to the diameter of the upper circle of the third portion 3c, the cross section of the fourth portion 3d is the same as the cross section of the second portion 3b, and the circle of the upper end section of the third portion is inscribed in the square of the lower end section of the fourth portion.
The base plate 31 comprises a sieve plate upper limiting plate 311 and a sieve plate lower straightening plate 312, and the sieve plate lower straightening plate 312 is fixed below the sieve plate upper limiting plate 311; the channel 3 penetrates through the upper limiting plate 311 and the lower straightening plate 312 of the sieve plate; said first portion 3a is located on said screening deck at a limiting plate 311; the first guide groove 41 starts from the upper end surface of the screen plate lower straightening plate 312; a positioning table 32 is arranged on the lower end surface of the limiting plate 311 on the sieve plate, and the positioning table 32 enters the first guide groove 42; the side of the positioning table 32 adjacent to the passage 3 is a flat surface, and the second portion 3b is opposite to the positioning table 32, so that the flat surface forms a part of the side wall of the second portion 3 b. The screening deck enters the second section 3b of the channel 3 from the feed opening 412 and the edges of the screening deck are tangent to the undersize plate 312 and the positioning table 32. When the pallet 42 is inserted into the first guide groove 41, the bottom surface of the positioning table 32 abuts the top surface of the pallet 42, and the side of the positioning table 32 adjacent to the channel abuts the side of the screen deck. As shown in fig. 16 and 18, when the supporting plate 42 is in the withdrawn state to make the channel 3 pass through, the side end surface of the supporting plate 42 close to the channel 3 is just tangent to the upper circle of the third portion 3c, so that the side end surface forms a part of the side wall of the fourth portion 3 d.
The side wall of the first portion 3a is provided with an opening. The driving mechanism is an air cylinder driving device or a lead screw motor driving device. The driving means is fixed to the base plate 31, and thus is preferably an ultra-thin cylinder 43 having a small and light volume.
The sieve plate filling mechanism also comprises a stroke adjusting mechanism 1 for adjusting the stroke of the tubular punch 23; the screen plate feeding mechanism 2 comprises a sliding block 22 connected to the tubular punch 23, a sliding rail 17 and a guide block 16, the sliding rail 17 is fixed on the guide block 16, the sliding block comprises a limiting part, and the limiting part 21 is inserted into a second guide groove 161 on the guide block 16; the stroke adjusting mechanism 1 includes a limit slider 14 and a limit slider driving device, and the limit slider driving device can drive the limit slider 14 to move in a limit groove 162 formed in the guide block in the second guide groove, so as to limit the maximum stroke of the limit portion 21 at a specified position. As a further improvement, as shown in fig. 14, a locking block 142 is further disposed on the position-limiting slider 14, and when the position-limiting slider 14 is adjusted to a designated position, it can be locked on the guide block 16 by the locking block 142. The locking block 142 can be mounted on the position limiting slide 14 through a locking bolt 143, and the locking block 142 can be pressed against the guide block 16 by screwing the tightening bolt 143.
The limiting slide block driving device is a jackscrew hand wheel 11, and a screw rod 13 of the jackscrew hand wheel 11 penetrates through a threaded hole in the limiting slide block 14. The position of the limit slide block 14 on the screw rod 13 is adjusted by rotating the jackscrew hand wheel 11, so that the moving range of the limit part 21 of the slide block 14 is limited.
An automatic column assembling machine comprises a machine table 5, a sieve plate feeding mechanism, a sieve plate filling mechanism and a charging mechanism 7. A turntable 52 is arranged on the machine table 5, and a station 53 is arranged on the turntable 52. And the two sieve plate filling mechanisms are positioned on two sides of the station 7 of the filling mechanism. The sieve plate feeding mechanism is a vibrating disk.
Example (b): referring to fig. 1-10, the sieve plate filling mechanism includes a stroke adjusting mechanism 1, a sieve plate feeding mechanism 2 and a sieve plate positioning mechanism 4;
the stroke adjustment mechanism 1 is used for adjusting the stroke of the tubular punch 23; the stroke adjusting mechanism 1 comprises a jackscrew hand wheel 11, a position indicator 12, a screw rod 13 and a limiting slide block 14; the position indicator 12 is positioned on the mounting plate 15, and the bottom of the mounting plate 15 is fixedly provided with a guide block 16; the screw rod 13 sequentially penetrates through the guide block 16, the limiting slide block 14, the mounting plate 15 and the position indicator 12, and the top of the screw rod 13 is provided with a jackscrew hand wheel 11; a slide rail 17 is fixedly arranged in the middle of the guide block 16; an oilless bushing 19 is arranged at the position where the screw rod 13 penetrates through the mounting plate 15, a rear cover plate 18 is arranged at the rear part of the guide block 16, and the screw rod 13 is a threaded rod; and a screw rod 13 of the jackscrew hand wheel 11 penetrates through a threaded hole in the limiting slide block 14. The position of the limit slide block 14 on the screw rod 13 is adjusted by rotating the jackscrew hand wheel 11, so that the maximum stroke of the limit part 21 is limited at a designated position.
The sieve plate feeding mechanism 2 comprises a sliding block 22 and a vertically arranged tubular punch 23, the sliding block 22 comprises a limiting part 21, the tubular punch 23 is connected to the negative pressure mechanism, and the lower end part of the tubular punch 23 sucks the sieve plate 91 and moves downwards so as to send the sieve plate 91 into the sampling pipe 9; the tubular punch 23 is mounted on the slide block 22 through a hexagonal nut 27, and the slide block 22 is mounted on the slide rail 17; the limiting part 21 is fixedly arranged at the top of the sliding block 22, the limiting part 21 is inserted into the second guide groove 161, and the sliding block 22 is arranged on the sieve plate tooling support 26 through the sliding block connecting plate 24 and the connecting rod 25. The sieve plate tool support 26 is fixedly provided with a sieve plate lower correction plate 312, the sieve plate lower correction plate 312 is fixedly connected with a cylinder mounting seat 431, an ultrathin cylinder 43 is arranged in the cylinder mounting seat 431, and the cylinder mounting seat 431 is fixed on the base plate 31; one side of the screen plate lower straightening plate 312 is provided with a U-shaped groove 411, and the connecting rod 25 penetrates through the U-shaped groove 411 to be connected with the sliding block connecting plate 24.
The sieve plate positioning mechanism 4 comprises a base plate 31, a supporting plate 42 and a driving mechanism for driving the supporting plate 42 to move linearly; a vertical passage 3 is provided on the base plate 31 for the tubular punch 23 to pass through, and a horizontal first guide groove 41 is provided, the first guide groove 41 communicating with the passage 3 so that the pallet 42 can be inserted into the first guide groove 41 and can block the passage 3; a feeding port 412 connected to the channel 3 is provided at one side of the substrate 31, and the feeding port 412 is located above the supporting plate 42.
The sieve plate positioning mechanism 4 comprises a base plate 31, a supporting plate 42 and a driving mechanism for driving the supporting plate 42 to move linearly; a vertical passage 3 is provided on the base plate 31 for the tubular punch 23 to pass through, and a horizontal first guide groove 41 is provided, the first guide groove 41 communicating with the passage 3 so that the pallet 42 can be inserted into the first guide groove 41 and can block the passage 3; a feeding port 412 connected to the channel 3 is disposed at one side of the substrate 31, and the feeding port 412 is located above the supporting plate 42. Said channel 3 comprises a first portion 3a located above said loading opening 412, a second portion 3b facing said loading opening 412 and a third portion 3c located below said plate 42; at least the inner side wall of the upper part of the third portion 3c is reverse tapered.
The side wall of the first portion 3a is provided with an opening. The cross section of the second part 3b is square, and the side length of the square is equal to the diameter of the sieve plate 91. The base plate 31 comprises a sieve plate upper limiting plate 311 and a sieve plate lower straightening plate 312, and the sieve plate lower straightening plate 312 is fixed below the sieve plate upper limiting plate 311; the channel 3 penetrates through the upper limiting plate 311 and the lower straightening plate 312 of the sieve plate; said first portion 3a is located on said screening deck at a limiting plate 311; the first guide groove 41 starts from the upper end surface of the screen plate lower straightening plate 312; a positioning table 32 is arranged on the lower end surface of the limiting plate 311 on the sieve plate, and the positioning table 32 enters the first guide groove 42; the side of the positioning table 32 close to the passage 3 is a plane, and the second portion 3b faces the positioning table 32. The screening deck enters the second section 3b of the channel 3 from the feed opening 412 and the edges of the screening deck are tangent to the undersize plate 312 and the positioning table 32. When the pallet 42 is inserted into the first guide groove 41, the bottom surface of the positioning table 32 presses the top surface of the pallet 42, and the side of the positioning table 32 near the channel abuts against the side of the screen deck.
Referring to fig. 11-13, an automatic column packing machine for packing a lower sieve plate, quantitative powder and an upper sieve plate in a column tube comprises a machine table 5, a machine cover 51, a lower sieve plate vibration disc 61, a lower sieve plate packing mechanism 6, a loading mechanism 7, an upper sieve plate vibration disc 81 and an upper sieve plate packing mechanism 8, wherein a turntable 52 is arranged on the machine table 5, and a station 53 is arranged on the turntable 52; the lower sieve plate vibrating disc 61 feeds materials to the lower sieve plate filling mechanism 6, and the upper sieve plate vibrating disc 81 feeds materials to the upper sieve plate filling mechanism 8; the lower sieve plate filling mechanism 6, the charging mechanism 7 and the upper sieve plate filling mechanism 8 correspond to a station 53 respectively. Of course, in addition to the present embodiment, a plurality of screen plate filling mechanisms may be provided according to the actual situation. The hood 51 is installed on the machine table 5, and the top of the hood 51 is provided with an alarm lamp 54 and a touch screen 55. The enclosure 51 serves to isolate the workspace from the external environment and to provide dust protection. The alarm lamp 54 is turned on when the machine stops operating. A distribution box 56, a divider 57 and a coupling 58 are arranged in the machine table 5, and the coupling 58 is connected with the rotating disc 52 through a rotating shaft 59. The stations 53 are evenly distributed in a circular array on the turntable 52. The automatic column assembling machine controls the operation of each mechanism through a pneumatic system and an electric control system. The working principle of the sieve plate filling mechanism is as follows: the travel adjusting mechanism 1 limits the moving range of the sieve plate feeding mechanism 2, and the tubular punch 23 is used for sucking and feeding materials.
Step one, adjusting the position to prepare feeding: the movement range of the sieve plate feeding mechanism 2 is limited by adjusting the limiting slide block 14 through the jackscrew hand wheel 11, and the supporting plate 42 is pushed by the ultrathin air cylinder 43 to enter the first guide groove 41 and block the channel 3;
secondly, feeding and sucking: the feeding mechanism feeds the sieve plate 91 into the feeding hole 412 shown in fig. 5, the sieve plate 91 falls into the first guide groove 41 and is positioned on the supporting plate 42, the position of the sieve plate feeding mechanism 2 is moved into the limiting hole 31 through the stroke adjusting mechanism 1, and the bottom of the tubular punch 23 contacts and sucks the sieve plate 91, as shown in fig. 10;
step three, adjusting the position to prepare for feeding: the supporting plate 42 is pushed by the ultrathin air cylinder 43 to exit the first guide groove 41;
fourthly, the sieve plate is pressed by the tubular punch: the position of the sieve plate feeding mechanism 2 is moved to the position below the through hole 44 through the stroke adjusting mechanism 1, the tubular punch 23 extends into the sampling pipe 9 and sends the sieve plate 91 to a specified position to be compressed and released, the sampling pipe 9 is positioned in a station 53, and the station 53 is positioned on the turntable 52;
step five, resetting after feeding: after the tubular punch 23 finishes feeding, the position of the sieve plate feeding mechanism 2 is moved to the initial position through the stroke adjusting mechanism 1.
The working principle of the automatic column assembling machine is as follows: the distribution box 56 is connected with the input end of the divider 57, the output end of the divider 57 is connected with the coupler 58, the coupler 58 is connected with the rotating shaft 59, the rotating shaft 59 drives the rotating disc 52 to rotate, and all mechanisms complete automatic filling through a pneumatic system under the control of an electric control system.
Step one, parameter setting and preparation work: ensuring that each mechanism operates normally, setting working parameters of each mechanism through a touch screen 55, placing the sampling pipe 9 into the corresponding station 53 and turning on the power supply;
step two, filling a lower sieve plate: the working process of the lower sieve plate filling mechanism 6 is as described in the working principle of the sieve plate filling mechanism, and the charging mechanism 7 and the upper sieve plate filling mechanism 8 do not work during the initial operation;
thirdly, quantitative medicine powder filling: the turntable 52 rotates clockwise to send the sampling pipe 9 filled with the lower sieve plate to an operation position corresponding to the charging mechanism 7, the charging mechanism 7 charges quantitative medicine powder into the sampling pipe 9, the lower sieve plate filling mechanism 6 carries out lower sieve plate filling on the second station 53 during the initial operation, and the upper sieve plate filling mechanism 8 does not work;
step four, filling an upper sieve plate: the working process of the upper sieve plate filling mechanism 8 is as described in the working principle of the sieve plate filling mechanism, the lower sieve plate filling mechanism 6 carries out lower sieve plate filling on the third station 53 during the initial operation, and the charging mechanism 7 carries out filling on the second station 53;
fifthly, stopping and warning after filling is finished: and (3) carrying out the second step to the fourth step on each station 53 in turn along with the rotation of the turntable 52 until the turntable 52 is completely filled, stopping the automatic column filling machine and lighting a warning lamp 54.
While the preferred embodiments of the present invention have been illustrated and described, it will be appreciated by those skilled in the art that the foregoing embodiments are illustrative and not limiting, and that many changes may be made in the form and details of the embodiments of the invention without departing from the spirit and scope of the invention as defined in the appended claims. All falling within the scope of protection of the present invention.
Claims (10)
1. The utility model provides a sieve filling mechanism which characterized in that: the device comprises a sieve plate feeding mechanism and a sieve plate positioning mechanism, wherein the sieve plate feeding mechanism comprises a vertically arranged tubular punch, the tubular punch is connected to a negative pressure mechanism, and the lower end part of the tubular punch can suck a sieve plate and move downwards so as to send the sieve plate into a sampling pipe; the sieve plate positioning mechanism comprises a base plate, a supporting plate and a driving mechanism for driving the supporting plate to move; a vertical passage is provided on the base plate for the tubular punch to pass through, and a horizontal first guide groove is provided in communication with the passage so that the pallet can be inserted into the first guide groove and can block the passage; and a feeding port communicated to the channel is arranged on one side of the substrate and is positioned above the supporting plate.
2. The screen loading mechanism of claim 1 wherein: the channel includes a third portion located below the pallet; the inner side wall of at least the upper part of the third part is in an inverted cone shape; the inner diameter of the lower end part of the inverted cone part of the third part is equal to the diameter of the sieve plate, and the inner diameter of the upper end part of the inverted cone part of the third part is larger than the diameter of the sieve plate.
3. The screen loading mechanism of claim 2 wherein: the channel also comprises a first part positioned above the feeding port and a second part facing the feeding port, the cross section of the second part is square, and the side length of the square is equal to the diameter of the upper end part of the third part.
4. The screen loading mechanism of claim 3 wherein: the channel further comprises a fourth portion facing the supporting plate, and the cross section of the fourth portion is the same as that of the second portion; the circle of the section of the upper end part of the third part is inscribed in the square of the section of the lower end part of the fourth part.
5. The screen loading mechanism of claim 4 wherein: when the supporting plate is in a withdrawing state so as to enable the channel to be communicated, the side end face of the supporting plate, close to the side of the channel, is just tangent to the upper circle of the third part, and the side end face forms a part of the side wall of the fourth part.
6. The screen loading mechanism of claim 3 wherein: the base plate comprises an upper sieve plate limiting plate and a lower sieve plate correcting plate, and the lower sieve plate correcting plate is fixed below the upper sieve plate limiting plate; the channel penetrates through the upper limiting plate and the lower straightening plate of the sieve plate; the first part is positioned on a limiting plate on the sieve plate; the first guide groove begins from the upper end surface of the lower straightening plate of the sieve plate; a positioning table is arranged on the lower end face of the limiting plate on the sieve plate and enters the first guide groove; one side of the positioning table close to the channel is a plane, and the second part is opposite to the positioning table.
7. The screen filling mechanism of any of claims 1-6, wherein: the sieve plate filling mechanism further comprises a stroke adjusting mechanism for adjusting the stroke of the tubular punch.
8. The screen loading mechanism of claim 7 wherein: the sieve plate feeding mechanism comprises a sliding block, a sliding rail and a guide block, the sliding block is connected to the tubular punch, the sliding rail is fixed on the guide block, the sliding block comprises a limiting part, and the limiting part is inserted into a second guide groove on the guide block; the stroke adjusting mechanism comprises a limiting slide block and a limiting slide block driving device, and the limiting slide block driving device can drive the limiting slide block to move in the second guide groove, so that the maximum stroke of the limiting part is limited at a specified position.
9. The screen loading mechanism of claim 8 wherein: and the limiting slide block is also provided with a locking block for locking the limiting slide block on the guide block.
10. The utility model provides an automatic dress post machine which characterized in that: comprising a machine table, a loading mechanism, a sieve plate filling mechanism according to any of claims 1-9 and a loading mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921317840.5U CN210427482U (en) | 2019-08-14 | 2019-08-14 | Sieve plate filling mechanism and automatic column filling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921317840.5U CN210427482U (en) | 2019-08-14 | 2019-08-14 | Sieve plate filling mechanism and automatic column filling machine |
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| CN210427482U true CN210427482U (en) | 2020-04-28 |
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| CN201921317840.5U Active CN210427482U (en) | 2019-08-14 | 2019-08-14 | Sieve plate filling mechanism and automatic column filling machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361480A (en) * | 2019-08-14 | 2019-10-22 | 求工(天津)机械科技有限公司 | Sieve plate filling mechanism and automatic packing column machine |
| CN113069791A (en) * | 2021-03-31 | 2021-07-06 | 温州市质量技术检测科学研究院 | Automatic quantitative diatomite filling and extracting device and method |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361480A (en) * | 2019-08-14 | 2019-10-22 | 求工(天津)机械科技有限公司 | Sieve plate filling mechanism and automatic packing column machine |
| CN113069791A (en) * | 2021-03-31 | 2021-07-06 | 温州市质量技术检测科学研究院 | Automatic quantitative diatomite filling and extracting device and method |
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