CN213091325U - Full-automatic graphite digestion device - Google Patents
Full-automatic graphite digestion device Download PDFInfo
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- CN213091325U CN213091325U CN202020528707.0U CN202020528707U CN213091325U CN 213091325 U CN213091325 U CN 213091325U CN 202020528707 U CN202020528707 U CN 202020528707U CN 213091325 U CN213091325 U CN 213091325U
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Abstract
The utility model discloses a full-automatic graphite digestion device, include: a frame; the digestion tube bracket is used for placing a plurality of digestion tubes; the movable liquid inlet mechanism is connected with the rack and can directionally move to inject liquid into the digestion pipe; the lifting shaking-up mechanism is connected with the digestion tube bracket and is used for lifting the digestion tube bracket and shaking the digestion tube bracket; and the heating mechanism is arranged below the digestion tube bracket and used for heating the digestion tube. The utility model integrates the digestion tube bracket, the movable liquid inlet mechanism, the lifting shaking mechanism and the heating mechanism into a device, and has high automation degree, high reliability and high digestion efficiency; the lifting shaking mechanism and the heating mechanism are reasonable in layout design, the digestion pipe support moves down to enter the heating mechanism to be heated and digested, the lifting digestion pipe support can be quickly separated from the heating mechanism, the operation is simple and convenient, and the mixing efficiency is high.
Description
Technical Field
The utility model belongs to the analysis test instrument field especially relates to a full-automatic graphite digestion device.
Background
Before an analytical test can be carried out, it is often necessary to subject the sample to a pretreatment step, in which part of the sample comprises a digestion step. The common wet digestion method comprises digestion by using an electric furnace, a flat heater, a water bath heating device and the like, but has great limitations in the aspects of uniformity, controllability and automation.
The graphite digestion instrument is a common laboratory device and is used for sample pretreatment links in various fields of environment, food, biology, agriculture, mining industry, petrochemical industry, industry and the like. Graphite has better heat-conducting property and higher heat resistance, so that the graphite gradually replaces the traditional digestion instrument. The traditional graphite digestion instrument usually only has one graphite furnace, only can process one sample at a time, and if various samples exist, only after one sample is digested, another sample can be digested, so that the function is single, and the efficiency is low. And whether the sample is completely digested can be judged by naked eyes only by manually approaching the digestion tank, so that certain danger exists.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a full-automatic graphite digestion device with high automation degree, good reliability, good safety and high efficiency.
The utility model provides a technical scheme that its technical problem adopted is: a full-automatic graphite digestion device comprises:
a frame;
the digestion tube bracket is used for placing a plurality of digestion tubes;
the movable liquid inlet mechanism is connected with the rack and can directionally move to inject liquid into the digestion pipe;
the lifting shaking-up mechanism is connected with the digestion tube bracket and is used for lifting the digestion tube bracket and shaking the digestion tube bracket;
and the heating mechanism is arranged below the digestion tube bracket and used for heating the digestion tube.
The utility model discloses to clear up pipe holder, remove feed liquor mechanism, go up and down to shake even mechanism and heating mechanism and integrate in an organic whole, realized automatic feed liquor, automatic clear up, the automatic function of rocking, it is few to relate to the manual procedure, degree of automation is high, and the reliability is higher moreover, and the security performance is good.
Furthermore, the mobile liquid inlet mechanism comprises a mobile liquid inlet end, a first mobile unit and a second mobile unit, wherein the first mobile unit is used for driving the mobile liquid inlet end to reciprocate in a first direction, and the second mobile unit is used for driving the mobile liquid inlet end to reciprocate in a second direction. Through the cooperation of first mobile unit and second mobile unit, realize horizontal fore-and-aft translation, can be to a plurality of intraductal transport liquid of dispelling of orientation, the location is accurate, and feed liquor easy operation is convenient.
Furthermore, the first direction is the length direction of the rack, the second direction is the width direction of the rack, and the first moving unit drives the second moving unit to move. First mobile unit and the mutual linkage of second mobile unit, the structure is simpler, and the cooperation is more stable.
Furthermore, a camera for observing the digestion tube is arranged close to the position of the movable liquid inlet. The process of managing is cleared up in manual observation has been removed from in the setting of camera, and the security performance is higher.
Further, the even mechanism of shaking goes up and down connects in the lift guiding axle of base including the base of locating in the frame, can follow the lifter plate that the lift guiding axle reciprocated, locates the even support that shakes on the lifter plate to and be used for the drive to shake the power component that the even support rocked, clear up the pipe support and can dismantle to connect in shaking even support on.
Further, the shaking-up support comprises a first support connected with the lifting plate and a second support connected with the shaking-up sliding rail on the lifting plate; the power assembly comprises a shaking motor, an eccentric shaft connected with the shaking motor and a guide seat in matched connection with the eccentric shaft, and the second support is connected with the guide seat; when the shaking motor drives the eccentric shaft to rotate, the guide seat drives the second support to reciprocate along the shaking slide rail.
Furthermore, the digestion tube support is provided with support legs, and jacks for inserting the support legs are formed in the tops of the first support and the second support. The design of the upper supporting leg of the digestion tube bracket not only increases the shaking intensity, but also increases the lifting stroke range.
Further, heating mechanism is including passing the base that lifter plate and frame link to each other, the bottom shrouding that links to each other with the base, and the heater is enclosed the chamber that holds that establishes by the heat preservation, and locates and hold the appearance graphite jig that clears up of intracavity. The heating mechanism is arranged under the lifting shaking mechanism, so that the digestion pipe is directly heated after descending, the overall layout design is more reasonable, and the structure is more concise.
Further, the heating mechanism also comprises a first temperature sensor for monitoring the temperature in the graphite mould of the digestion instrument and a second temperature sensor for monitoring the temperature of the heater; the heat preservation includes interior heat preservation and the outer heat preservation that interior outer laminating set up. The multilayer design of heat preservation has increased the heating heat preservation effect of heating mechanism, and the temperature of each position of heating mechanism is convenient for in time, accurate control to two temperature sensor's setting.
Furthermore, a multi-channel direction selection valve which can be communicated with the movable liquid inlet end is arranged on the rack. The multichannel is selected to the setting of valve and is convenient for the switching of multiple liquid and carry, and the supplementary automation that realizes whole device goes on.
The utility model has the advantages that: 1) the digestion tube support, the movable liquid inlet mechanism, the lifting shaking mechanism and the heating mechanism are integrated into one device, so that the degree of automation is high, the reliability is high, and the digestion efficiency is high; 2) a plurality of digestion tubes can be arranged in the device at the same time, different digestion programs can be independently realized, different types of samples can be processed, and the number of samples which can be processed each time is large; 3) whether digestion in the digestion tubes is complete or not is monitored by using a camera, and the digestion condition in each digestion tube can be directly seen on an interface by matching with a video end point judgment technology, so that whether digestion is complete or not is judged, and the danger of looking up by naked eyes close to the digestion tank is reduced; 4) the lifting shaking-up mechanism and the heating mechanism are reasonable in layout design, the digestion tube support moves downwards to enter the heating mechanism for heating digestion, and the digestion tube support is lifted to be quickly separated from the heating mechanism, so that the operation is simple and convenient; 5) the mode reasonable in design that rocks of even mechanism is shaken in the lift, when guaranteeing that the structure is firm, it is violent to rock the degree, drives whole pipe support removal of clearing up, realizes a plurality of mixing of clearing up intraductal sample, and the mixing efficiency is high.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an enlarged view of a structure in fig. 1.
Fig. 3 is a perspective view of the heating mechanism of the present invention with a cut-away portion.
Fig. 4 is a perspective view of the lifting shaking-up mechanism of the utility model.
Fig. 5 is an enlarged view of the structure at B in fig. 4.
Detailed Description
In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
As shown in figure 1, a full-automatic graphite digestion device comprises a frame 1, a digestion tube support 2 for placing a plurality of digestion tubes 3, a movable liquid inlet mechanism 4 connected to the frame 1 and used for directionally moving and injecting liquid into the digestion tubes 3, a lifting and shaking mechanism 5 connected with the digestion tube support 2 and used for lifting and digesting the tube support 2 and shaking and a heating mechanism 6 used for heating and digesting the tubes 3.
The rack 1 comprises a horizontal part and a vertical part, the mobile liquid inlet mechanism 4 is connected to the vertical part of the rack 1 and comprises a mobile liquid inlet end 41, a first mobile unit 42 for driving the mobile liquid inlet end 41 to reciprocate in a first direction, and a second mobile unit 43 for driving the mobile liquid inlet end 41 to reciprocate in a second direction.
The first direction is the length direction of the frame 1, and the second direction is the width direction of the frame 1, i.e. the first moving unit 42 and the second moving unit 43 are perpendicular; in this embodiment, the first moving unit 42 is a screw rod structure, and includes an X-direction stepping motor 421, and an X-direction linear module 422 driven by the X-direction stepping motor 421 to rotate; one end of the second moving unit 43 is connected to the X-direction linear module 422 of the first moving unit 42, and the second moving unit 43 is driven to perform reciprocating translation by the rotation of the second moving unit 43. The second moving unit 43 includes a Y-direction stepping motor 431 and a Y-direction timing belt mechanism 432, and the specific structure of the Y-direction timing belt mechanism 432 is the prior art and will not be described again.
As shown in fig. 2, the end of the second moving unit 43 far away from the first moving unit 42 is connected with the moving liquid inlet 41, and a camera 44 is installed at a position close to the moving liquid inlet 41 and used for observing the digestion condition inside the digestion tube 3; an ultrasonic sensor 45 is also mounted near the mobile liquid inlet end 41 and opposite to the top opening of the digestion tube 3 and is used for determining whether the target volume of liquid is injected into the digestion tube 3.
The side surface of the horizontal part of the rack 1 is provided with a multi-channel direction selection valve 11, and the multi-channel direction selection valve 11 is communicated with the movable liquid inlet end 41, so that the aim of conveying different liquids to the liquid inlet end 41 can be fulfilled by switching the multi-channel direction selection valve 11. And a liquid inlet peristaltic pump 13 is arranged at a position close to the multi-channel selector valve 11. In order to avoid the mutual influence of different liquid switching and conveying processes, a waste liquid tank 12 is arranged on the machine frame 1, and when the liquid conveying is switched, the front section part of liquid is conveyed to the waste liquid tank 12.
As shown in fig. 4, the lifting shaking mechanism 5 comprises a base 51, a lifting guide shaft 52 connected to the periphery of the base 51, a lifting plate 53 parallel to the base 51 and movable up and down on the lifting guide shaft 52, a shaking support 54 mounted on the lifting plate 53, and a power assembly 55 for driving the shaking support 54 to shake. The base 51 is arranged in the horizontal part of the frame 1, the outer wall of the lifting guide shaft 52 is provided with a thread structure, the periphery of the lifting plate 53 is formed into a sleeve 532 which can be sleeved outside the lifting guide shaft 52, the inner wall of the sleeve 532 forms an internal thread, two sides of the lifting plate 53 are also provided with supports 534 respectively connected with two lifting motors 533, and the lifting motors 533 drive the supports 534 to move up and down in a translation manner to drive the lifting plate 53 to move up and down in a translation manner.
In order to limit the upward or downward moving stroke of the lifting plate 53, a limit switch bracket 511 is arranged on the base 51, and at least two limit switches 512 are connected to the limit switch bracket 511.
In order to facilitate shaking up and clear up the mixed liquid in managing 3, shake up support 54 and include the perpendicular first support 541 of connecting in lifter plate 53 one side, with the second support 542 that shakes up slide rail 531 and link to each other on the lifter plate 53 opposite side, jack 543 has all been seted up at the top of first support 541 and second support 542, it includes the main part that is used for stably placing a plurality of pipes 3 to clear up tub support 2, still including dismantling the connection at main part stabilizer blade 21 all around, stabilizer blade 21 inserts in the jack 543, the realization is cleared up tub support 2 and is shaken up dismantling of support 54 and be connected, thereby clear up tub support 2 and be hung at the eminence, it rocks more acutely to make to clear up tub 3 when rocking.
Two digestion tube holders 2 may be placed side by side on the first holder 541 and the second holder 542. Can place one or more simultaneously and go up and down to shake even frame 5 in frame 1, set up two and go up and down to shake even frame 5 in this embodiment, every goes up and down to shake and place two on the even frame 5 and clear up a tub support 2 to can a plurality of clear up the operation of clearing up in managing 3 simultaneously.
The power assembly 55 comprises a shaking motor 551, an eccentric shaft 552 connected with the shaking motor 551, and a guide base 553 connected with the second bracket 542, wherein the guide base 553 is connected with the eccentric shaft 552 in a matching way; the shake-up motor 551 is started to drive the eccentric shaft 552 to rotate, and the guide base 553 is driven to move, so that the second bracket 542 is driven to reciprocate along the shake-up slide rail 531, and the shake of the side of the second bracket 542 is realized. The power assembly 55 is not disposed at the side of the first bracket 541, that is, the first bracket 541 is fixedly connected to the lifting plate 53.
As shown in fig. 3, the heating mechanism 6 includes a base 61, a bottom sealing plate 62 attached to the top of the base 61, a heater 63, a housing chamber 65, and a digestion apparatus graphite mold 66 provided in the housing chamber 65. The base 61 is attached to the frame 1 at the bottom and the base 61 is passed through the opening 535 of the lifting plate 53 so that the digestion instrument graphite mold 66 is positioned directly below the digestion tube holder 2.
The inner periphery of the accommodating cavity 65 is provided with an insulating layer 64, which includes an inner insulating layer 641 and an outer insulating layer 642 that are attached to each other, in this embodiment, the inner insulating layer 641 is made of a glass fiber material, and the outer insulating layer 642 is made of a polycrystalline mullite fiber material. In order to monitor the temperature of the heating mechanism 6 in time, a first temperature sensor 67 for monitoring the temperature inside the graphite mold 66 of the digestion apparatus is connected to the side wall of the graphite mold 66 of the digestion apparatus, and a second temperature sensor 68 for monitoring the temperature of the heater 63 is connected to the heater 63, in this embodiment, the heater 63 is a flat plate heater. The frame 1 is also provided with a temperature control switch 14 which can timely adjust the temperature in the graphite mold 66 of the digestion instrument and the temperature of the heater 63 according to the temperature fed back by the first temperature sensor 67 and the second temperature sensor 68.
The working process of the utility model is that a plurality of digestion tubes 3 are placed on the digestion tube bracket 2, the materials to be digested are manually placed in the digestion tubes 3 respectively, acid liquor is conveyed into the digestion tubes 3 through the movable liquid inlet end 41 through the multi-channel direction selection valve 11, and the acid liquor is conveyed into the digestion tubes 3 respectively through the cooperation of the first moving unit 42 and the second moving unit 43;
the second bracket 542 is shaken by the lifting shaking mechanism 5, so that the substance to be digested and the acid liquor are fully mixed;
the lifting plate 53 is moved downwards through the lifting motor 533 until most of the digestion tube 3 is placed in the digestion instrument graphite mold 66 of the heating mechanism 6, the digestion tube 3 is heated and kept warm for a period of time, after the digestion of the internal substances is completed, the heating mechanism 6 is closed, and the lifting plate 53 moves upwards to be separated from the digestion instrument graphite mold 66;
after cooling for a period of time, observing whether the digestion is complete through a camera 44, if the digestion is completed, moving the movable liquid inlet end 41 to the position above the waste liquid tank 12 through the first moving unit 42 and the second moving unit 43, adjusting the multi-channel direction selection valve 11 to convey purified water, discharging the residual acid liquid into the waste liquid tank 12, then moving the movable liquid inlet end 41 to the position above the digestion pipe 3 in a directional manner, conveying the purified water into the digestion pipe to a fixed volume, and fixing the volume through the ultrasonic sensor 45 to ensure that the volume in the digestion pipe 3 is 50 ml;
and after the completion, resetting each mechanism.
The above detailed description is provided for illustrative purposes, and is not intended to limit the present invention, and any modifications and variations of the present invention are within the spirit and scope of the following claims.
Claims (8)
1. The utility model provides a full-automatic graphite digestion device which characterized in that includes:
a frame (1);
a digestion tube support (2) for placing a plurality of digestion tubes (3);
the movable liquid inlet mechanism (4) is connected with the rack (1) and can directionally move to inject liquid into the digestion pipe (3);
the lifting shaking-up mechanism (5) is connected with the digestion tube bracket (2) and is used for lifting the digestion tube bracket (2) and shaking the digestion tube bracket (2);
the heating mechanism (6) is arranged below the digestion tube bracket (2) and is used for heating the digestion tube (3);
the lifting shaking mechanism (5) comprises a base (51) arranged in the rack (1), a lifting guide shaft (52) connected to the base (51), a lifting plate (53) capable of moving up and down along the lifting guide shaft (52), a shaking support (54) arranged on the lifting plate (53), and a power assembly (55) used for driving the shaking support (54) to shake, wherein the digestion tube support (2) is detachably connected to the shaking support (54);
the shaking-up bracket (54) comprises a first bracket (541) connected with the lifting plate (53) and a second bracket (542) connected with a shaking-up sliding rail (531) on the lifting plate (53); the power assembly (55) comprises a shaking motor (551), an eccentric shaft (552) connected with the shaking motor (551), and a guide seat (553) in fit connection with the eccentric shaft (552), and the second bracket (542) is connected with the guide seat (553); when the shaking motor (551) drives the eccentric shaft (552) to rotate, the guide base (553) drives the second bracket (542) to reciprocate along the shaking slide rail (531).
2. The full-automatic graphite digestion device according to claim 1, characterized in that: the movable liquid inlet mechanism (4) comprises a movable liquid inlet end (41), a first moving unit (42) for driving the movable liquid inlet end (41) to reciprocate in a first direction, and a second moving unit (43) for driving the movable liquid inlet end (41) to reciprocate in a second direction.
3. The full-automatic graphite digestion device according to claim 2, characterized in that: the first direction is the length direction of the rack (1), the second direction is the width direction of the rack (1), and the first moving unit (42) drives the second moving unit (43) to move.
4. The fully-automatic graphite digestion apparatus according to claim 1 or 2, characterized in that: a camera (44) for observing the digestion tube (3) is arranged at a position close to the movable liquid inlet end (41).
5. The full-automatic graphite digestion device according to claim 1, characterized in that: clear up a tub support (2) and be equipped with stabilizer blade (21), first support (541) and second support (542) top are seted up and are supplied stabilizer blade (21) male jack (543).
6. The full-automatic graphite digestion device according to claim 1, characterized in that: heating mechanism (6) are including passing base (61) that lifter plate (53) and frame (1) link to each other, bottom shrouding (62) that link to each other with base (61), heater (63), and by holding chamber (65) that heat preservation (64) were enclosed and establish, and locate and hold appearance graphite jig (66) in chamber (65).
7. The full-automatic graphite digestion device according to claim 6, characterized in that: the heating mechanism (6) further comprises a first temperature sensor (67) for monitoring the temperature in the graphite mold (66) of the digestion instrument, and a second temperature sensor (68) for monitoring the temperature of the heater (63); the heat-insulating layer (64) comprises an inner heat-insulating layer (641) and an outer heat-insulating layer (642) which are arranged in an inner-outer fit mode.
8. The full-automatic graphite digestion device according to claim 2, characterized in that: the machine frame (1) is provided with a multi-channel direction selection valve (11) which can be communicated with the movable liquid inlet end (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020528707.0U CN213091325U (en) | 2020-04-10 | 2020-04-10 | Full-automatic graphite digestion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020528707.0U CN213091325U (en) | 2020-04-10 | 2020-04-10 | Full-automatic graphite digestion device |
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| CN213091325U true CN213091325U (en) | 2021-04-30 |
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| CN202020528707.0U Active CN213091325U (en) | 2020-04-10 | 2020-04-10 | Full-automatic graphite digestion device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984754A (en) * | 2021-12-02 | 2022-01-28 | 云南省农业科学院农业环境资源研究所 | Continuous detection device and method for nitrogen and phosphorus in organic fertilizer |
| CN115791361A (en) * | 2023-02-07 | 2023-03-14 | 安徽海峰分析测试科技有限公司 | A preprocessing equipment for soil sample detects |
| CN116358979A (en) * | 2023-04-12 | 2023-06-30 | 安徽宏益光伏新材料有限公司 | Device and method for detecting trace elements in quartz sand by utilizing microwave digestion |
-
2020
- 2020-04-10 CN CN202020528707.0U patent/CN213091325U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984754A (en) * | 2021-12-02 | 2022-01-28 | 云南省农业科学院农业环境资源研究所 | Continuous detection device and method for nitrogen and phosphorus in organic fertilizer |
| CN113984754B (en) * | 2021-12-02 | 2024-04-16 | 云南省农业科学院农业环境资源研究所 | Device and method for continuously detecting nitrogen and phosphorus in organic fertilizer |
| CN115791361A (en) * | 2023-02-07 | 2023-03-14 | 安徽海峰分析测试科技有限公司 | A preprocessing equipment for soil sample detects |
| CN116358979A (en) * | 2023-04-12 | 2023-06-30 | 安徽宏益光伏新材料有限公司 | Device and method for detecting trace elements in quartz sand by utilizing microwave digestion |
| CN116358979B (en) * | 2023-04-12 | 2024-05-17 | 安徽宏益光伏新材料有限公司 | Device and method for detecting trace elements in quartz sand by utilizing microwave digestion |
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Address after: 311422 Room 305, floor 3, No. 7, Yinhu innovation center, No. 9, Fuxian Road, Yinhu street, Fuyang District, Hangzhou, Zhejiang Province Patentee after: ZHEJIANG HENGDA INSTRUMENTS CO.,LTD. Address before: 6 / F, building 1, No. 1418-50, Moganshan Road, Shangcheng District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG HENGDA INSTRUMENTS CO.,LTD. |
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