CN214652121U - Laboratory solid powder sample continuous dividing weighing device capable of adjusting sample output amount - Google Patents

Abstract

The utility model relates to the technical field of inspection and detection equipment, in particular to a laboratory solid powder sample continuous sampling weighing device capable of adjusting sample output amount, which comprises a vibration table, a reciprocating mechanism and a sample container which is arranged on the vibration table and can vibrate with the vibration table, wherein the sample container comprises a container body and a reciprocating sample guide push rod arranged in the container body, the reciprocating mechanism can drive the reciprocating sample guide push rod to reciprocate, the reciprocating sample guide push rod is used for pushing out a sample from a sample output hole of the container body, the bottom of the container body is provided with a sample guide groove, the reciprocating sample guide push rod can reciprocate along the sample guide groove, the reciprocating sample guide push rod partially extends out of the container body, an armature is arranged at the outer side end of the container body, and through changing the stroke of the reciprocating mechanism, the operating frequency and the specification of the sample guide groove, the controllable adjustment of the sample output amount can be realized, the control of the sample output amount is accurate, and the automatic quantitative weighing of continuously-divided samples is realized.

Description

Laboratory solid powder sample continuous dividing weighing device capable of adjusting sample output amount

Technical Field

The utility model relates to an inspection check out test set technical field especially relates to a weighing device is got in succession to laboratory solid powder sample of adjustable appearance volume of appearing, but the wide application in trades such as agriculture, forestry, animal husbandry, mining industry, manufacturing, scientific research and technical service industry, water conservancy environment and public facilities management industry and education industry, is particularly useful for the laboratory test of systems such as ground ore deposit, environmental protection, agriculture, metallurgy, forestry, medicine, food and building materials.

Background

In a laboratory in the field of inspection and detection, weighing a sample is one of the most common and necessary operations in the laboratory, and accurate and quantitative weighing of the sample is the primary step and premise for ensuring accurate analysis and test data in the experimental test work of quantitative analysis. At present in the laboratory of inspection detection area, generally weigh the sample with electronic balance, the sample mode of title still relies on traditional pure manual operation, and the problem and the not enough that sample existence was weighed to manual work with electronic balance are: 1. cross contamination of the samples. Because the sample is weighed as many as one, the same sample weighing knife (spoon) is used by different sample weighing personnel (or the same sample weighing personnel) for many times, so that potential cross contamination among samples is caused, and the subsequent analysis and test quality is influenced. 2. The error rate is high. Because of manual operation, the sample and the vessel are often subjected to misoperation such as corresponding wrong numbers, and rework is directly caused. 3. When the samples are weighed in a constant amount, the accuracy of weighing the samples is difficult to judge and verify one by one on site; when the samples are weighed in a non-constant manner, the data are generally recorded manually one by one and cannot be automatically and instantly stored. 4. The whole sample weighing process needs manual guard, an operator needs to keep a double-arm support holding state, fatigue is easy to occur, labor intensity is high, continuous production is difficult, and production efficiency is low. 5. The whole sample weighing process completely depends on manual operation, the labor cost is high, and the economic benefit is low. Because the required sample weighing personnel are more, the personnel management difficulty and the cost are increased.

In order to solve the problems and the defects existing in manual sample weighing, how to realize automatic sampling and how to continuously and rapidly take out a small amount of samples or specimens from a sample storage container in a controllable manner without pollution is a problem in the prior art at present.

Therefore, there is a need for an improvement to overcome the deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem among the prior art, provide a weighing device is got in succession to laboratory solid powder sample of adjustable appearance volume of going out, realize the controllable regulation of appearance volume to realize going out the appearance in succession automatically, it is accurate to go out appearance volume control.

The technical scheme of the utility model is that:

adjustable laboratory solid powder sample of appearance volume divides in succession and gets weighing device, include shaking table 2, reciprocating mechanism 6 and be located on the shaking table 2 and can with the flourishing appearance container 1 of shaking table 2 vibration, flourishing appearance container 1 includes vessel body 101 and sets up the reciprocal sample push rod 105 of leading in vessel body 101, reciprocating mechanism 6 can drive reciprocal sample push rod 105 reciprocating motion leads, reciprocal sample push rod 105 is used for pushing out the sample from the appearance hole 102 of vessel body 101.

The shaking table realizes continuously vibrating the sample in the sample container through vibrating the vibration, and the sample can be prevented from being adhered and agglomerated through vibrating, so that the sample can be collected in the sample guide groove. The vibrator is arranged on the vibrating table, or the vibrator is arranged in the vibrating table, so that the vibration control of the vibrating table is realized, and the amplitude of the vibration is also adjusted through the controller. But the inside reciprocal appearance push rod that leads that sets up reciprocating motion of flourishing appearance container, reciprocal appearance push rod one end of leading stretches into the vessel inside, and the other end is located the vessel outside, drives reciprocal appearance push rod through reciprocating mechanism and removes, and the one end that is located the vessel inside realizes promoting the inside sample of vessel to the play appearance hole of propelling vessel realizes the play appearance operation of sample. The design realizes the sample outlet operation of the sample through vibrating the sample and pushing the sample to the reciprocating mode, the sample outlet amount and the sample outlet speed of the sample can be controlled through pushing the sample, the sample outlet weight can be adjusted and controlled once, and the accurate and stable sample outlet can be realized.

As a preferable technical solution, the bottom of the container body 101 is provided with a sample guide groove 104, and the reciprocating sample guide push rod 105 can reciprocate along the sample guide groove 104.

Lead the inside bottom position of appearance groove setting at vessel to leading appearance inslot portion and setting up reciprocal appearance push rod of leading, reciprocal appearance push rod of leading is along leading appearance inslot reciprocating motion, will leading the sample in the appearance inslot and release out the appearance hole, and the one end of leading the appearance groove just corresponds the setting with out the appearance hole. The structure of leading appearance groove can be square or arc or other shapes, designs according to production work actual conditions, and the specification of size also can design according to pushing away the appearance requirement, consequently leads the accurate regulation and the control of appearance volume through changing the specification that leads the appearance groove.

In a preferred embodiment, the reciprocating sample guide push rod 105 partially protrudes out of the container body 101, and an armature 106 is disposed at an outer end of the reciprocating sample guide push rod 105 on the container body 101.

The armature iron is matched with the electromagnet in the reciprocating mechanism for use, after the electromagnet is electrified, the armature iron is attracted, the reciprocating sample guide push rod is connected with the reciprocating mechanism, and after the electromagnet is powered off, the armature iron and the reciprocating mechanism can be disconnected, so that the operation is convenient.

As a preferable technical solution, the reciprocating mechanism 6 includes a reciprocating motor 601, an adjustable stroke reciprocating connecting rod 602 and an electromagnet 603, the adjustable stroke reciprocating connecting rod 602 is fixedly connected to the reciprocating motor 601, and one end of the adjustable stroke reciprocating connecting rod 602 is fixedly provided with the electromagnet 603.

The reciprocating mechanism is arranged on the electric sliding table, can slide left and right along the electric sliding table, is connected with the reciprocating sample guide push rod and drives the reciprocating sample guide push rod to realize sample pushing operation; the stroke of the stroke-adjustable reciprocating connecting rod can be adjusted, and the reciprocating connecting rods with different strokes are designed, so that the adjustment of different sample output amounts can be facilitated. The stroke-adjustable reciprocating connecting rod and the reciprocating sample guide push rod are horizontally and vertically arranged in a corresponding mode in the transverse direction and can move in the left-right horizontal direction.

As a preferable technical solution, a sample outlet conduit 103 is arranged at the position of the sample outlet 102 of the container body 101, a cover plate 108 is arranged at the top end of the container body 101, and a limit base 107 is arranged at the bottom end of the container body 101.

The container body can be circular structure, also can be square structure, and the appearance hole is seted up to the one end of container body, and it is corresponding with leading the appearance groove to go out the appearance hole, and the sample falls out along leading the appearance groove under the promotion of reciprocal appearance push rod, connects out appearance pipe 103 at the appearance hole end of container body, goes out the appearance pipe and plays the guide effect to the motion of sample. The bottom of the container body is a limiting base, the sample container is fixedly clamped in a vibration limiting seat of the vibrating table through the limiting base, and a groove corresponding to the limiting base is formed in the vibration limiting seat and used for accommodating the limiting base to realize the fixation and limitation of the sample container.

As a preferable technical solution, the vibration table 2 includes a base 201, a pillar 202 fixedly connected with the base 201, a vibration table 203 fixedly connected with the pillar 202, and a vibrator 205 located on the vibration table 203, and the vibration table 203 is provided with a vibration limiting seat 204 for fixing the sample container 1.

The supporting column is perpendicular to the base, the supporting column is fixedly connected with the vibration table board, the supporting column supports and fixes the vibration table board, the vibrator is mounted on the vibration table board, the vibration of the whole vibration table board is realized through the vibrator, and the vibration of the sample container located on the vibration table board is realized.

As a further preferable technical scheme, a sample receiving vessel 4 is arranged at the bottom end of the sample container 1, and a sample weighing sensor 3 is arranged at the bottom end of the sample receiving vessel 4.

As a further preferable technical solution, the vibration table 2 is provided with an electric sliding table 5, and the reciprocating mechanism 6 is mounted on the electric sliding table 5.

The electric sliding table on the vibrating table can drive the reciprocating mechanism to move left and right. A sliding guide rail can be arranged on the vibration table, and the reciprocating mechanism can slide left and right along the sliding guide rail, so that different positions of the reciprocating mechanism can be adjusted.

As a further preferable technical solution, the device further comprises a controller 7, and the controller 7 is electrically connected with the vibrator 205, the load cell 3, the electric sliding table 5, the reciprocating motor 601 and the electromagnet 603 respectively.

The utility model discloses a weighing device is got in succession to laboratory solid powder sample of adjustable appearance volume of appearing, combine the part through the reciprocal push rod of level and sample guide groove, install in the flourishing appearance container bottom of sample in, the level pressure of solid powdery sample existence when the vibration because of between the granule has been solved, adhesive force, cohesion, the reunion that often appears of electrostatic action and intermolecular acting force, play the discontinuous scheduling problem of appearance, utilize reciprocating lever horizontal motion to release the sample simultaneously, the continuous ration of having realized the solid powder sample is taken out, can realize the title appearance automation, and the labor intensity is reduced, the improvement title appearance work efficiency, guarantee that the sample weighs the process quality.

Drawings

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

FIG. 2 is an enlarged view of the sample container structure of the present invention;

the sample container comprises a sample container 1, a container body 101, a sample outlet hole 102, a sample outlet guide pipe 103, a sample guide groove 104, a reciprocating sample guide push rod 105, an armature 106, a spacing base 107, a cover plate 108, a vibrating table 2, a base 201, a support 202, a vibrating table 203, a vibrating spacing base 204, a vibrator 205, a weighing sensor 3, a sample receiving vessel 4, an electric sliding table 5, a reciprocating mechanism 6, a reciprocating motor 601, a stroke-adjustable reciprocating connecting rod 602, an electromagnet 603 and a controller 7.

Detailed Description

In order to make the utility model realize that the technical means, technical characteristics, utility model purpose and technological effect are easily understood and known, combine specific figure below, further explain the utility model.

The first embodiment is as follows:

the laboratory solid powder sample continuous sampling weighing device capable of adjusting the sample output amount comprises a sample container 1, a vibration table 2, a weighing sensor 3, a sample receiving vessel 4, an electric sliding table 5, a reciprocating mechanism 6 and a controller 7.

The sample container 1 comprises a container body 101, a sample outlet hole 102, a sample outlet guide pipe 103, a sample guide groove 104, a reciprocating sample guide push rod 105, an armature 106, a limit base 107, a cover plate 108 and a sample.

The functions of each part are as follows:

the container body 101 is used for holding a sample, and is generally made of plastic, metal (plastic in this case), and cylindrical in shape, square in shape, or other shapes (cylindrical in this case). The inner part is hollow, the wall thickness is generally 0.5 mm-10 mm, and the bottom is a plane.

The sample outlet 102 is located on the left side of the bottom of the container body 101, the left side communicating with the sample introduction tube 103, and the right side communicating with the sample introduction groove 104, and serves as a passage through which the sample is pushed out of the container body 101 in the case of vibration operation.

The sample guide pipe 103 is of an inverted L shape, the inner diameter of the pipe is the same as the diameter or the specification of the sample guide groove 104 and the reciprocating sample guide push rod 105, and the outlet is vertically downward and is opposite to the sample inlet of the sample receiving vessel 4.

The sample guide groove 104 is horizontally penetrated on the bottom plane of the container body 101, is a channel for pushing a sample out of the container body 101 in a reciprocating manner, the upper part of the sample guide groove is communicated with the inner cavity of the container body 101, and when the container body 101 is arranged on the vibration limiting seat 204 and the vibrator 205 works, the sample can enter and be collected and accumulated in the sample guide groove 104; the left side of the sample guide groove 104 passes through the left wall of the container body 101 and is communicated with the sample outlet hole 102, and the right side passes through the right wall of the container body 101 and is an inlet and outlet of the reciprocating sample guide push rod 105 which enters and exits the sample guide groove 104.

The reciprocating sample guide push rod 105 is horizontally inserted into the sample guide groove 104, is connected with the reciprocating mechanism 6 during operation, and is used for continuously pushing the sample out of the container body 101 to finish the action of quantitatively dividing and taking the sample. The diameter or specification of the reciprocating sample guide push rod 105 is the same as that of the sample guide groove 104, when the reciprocating sample guide push rod is in a non-working state, the left side of the reciprocating sample guide push rod is level with the right-angled bend of the sample guide pipe 103, the right side of the reciprocating sample guide push rod is exposed out of the container body 101 by 0.5 cm-2 cm,

the armature 106 is rigidly connected with the right end of the reciprocating sample guide push rod 105, and is in matched attraction connection with the electromagnet 603 during operation, so that the reciprocating sample guide push rod 105 horizontally reciprocates in the sample guide groove 104.

The limiting base 107 is positioned at the lower part of the container body 101, the upper part of the limiting base is connected with the container body 101, the limiting base is inserted into the vibration limiting seat 204 during working and is used for fixing the container body 101, and the height and the diameter of the limiting base are the same as the depth and the diameter of the vibration limiting seat 204.

The container cover 108 is fixed on the upper portion of the container body 101 and has two functions, one is to prevent external impurities from entering the container body 101 to cause sample pollution, and the other is to prevent sample from splashing out of the container body 101 to cause sample loss when the sample is pushed in a vibrating and horizontal reciprocating manner.

The sample is dry solid powder, the technical indexes such as granularity and water content need to meet the technical requirements specified by the industrial standard, and the sample is filled in the container body 101 for standby before working.

The vibration table 2 comprises a base 201, a support column 202, a vibration table surface 203, a vibration limiting seat 204 and a vibrator 205.

The functions of each part are as follows:

the base 201 and the pillar 202 are independently arranged on the working surface and are supporting parts of the whole vibration table 2; the vibration table 203 is used for loading the sample container 1 and the vibrator 205, the right end of the vibration table 203 is vertically provided with a vibration limiting seat 204 for limiting and inserting the sample container 1, and the depth and the inner diameter of the hole are the same as the height and the diameter of the limiting base 107.

The vibrator 205 is mounted on the vibration table 203 and serves as a seismic source to provide vibration force to the samples in the sample container 1, so that the samples can be continuously collected and accumulated in the diversion trench 104.

The weighing sensor 3 is positioned right below the outlet of the sample outlet pipe 103, and is used for converting a mass signal of the pushed sample into an electric signal and feeding the electric signal back to the controller 7 during operation, and the adjustable stroke reciprocating motor 601 is turned on or off by the controller 7, so that quantitative weighing is realized.

The sample receiving vessel 4 is placed on the weighing cell 3 and is used for receiving and containing the sample pushed out by the sample outlet conduit 103.

The electric sliding table 5 is horizontally arranged on the vibration table surface 203, and can drive the stroke-adjustable reciprocating motor 601 to move left and right for a set distance under the control of the controller 7 during work.

The reciprocator 6 comprises a reciprocating motor 601, an adjustable stroke reciprocating link 602 and an electromagnet 603.

The reciprocating motor 601 is horizontally arranged on the upper end surface of the electric sliding table 5 and is used for completing reciprocating action during working.

The right end of the stroke-adjustable reciprocating connecting rod 602 is rigidly connected with a reciprocating motor 601, the left end of the stroke-adjustable reciprocating connecting rod is connected with an electromagnet 603, and the reciprocating stroke can be adjusted according to the technical requirements of sample weighing weight, sample weighing precision and the like during working.

The electromagnet 603 is used in combination with the armature 106, and when the electromagnet is powered on, the armature 106 is attracted, and when the electromagnet is powered off, the armature 106 is released, thereby completing the action of connecting or disconnecting the reciprocating sample guide push rod 105.

The controller 7 is electrically connected with the vibrator 205, the weighing sensor 3, the electric sliding table 5, the stroke-adjustable reciprocating motor 6 and the electromagnet 603, and is used for turning on or off each electric element according to a set program during working.

The working process is as follows:

1. the inside of the vessel body 101 is cleaned, and a reciprocating sample guide push rod 105 is inserted into the sample guide groove 104 so that the left end is aligned with the right-angled bend of the sample guide tube 103.

2. The sample container 1 is wholly limited and inserted in the vibration limiting seat 204. The sample is then poured into the container body 101, and the lid 108 is closed. The sample receiving container 4 is placed on the weighing sensor 3, so that the sample receiving opening of the sample receiving container 4 is opposite to the outlet of the sample guide pipe 103.

3. And starting the commercial power of the device, connecting the weighing sensor 3 and storing initial data to be weighed.

4. Starting the stroke-adjustable reciprocating motor 6 to enable the stroke-adjustable reciprocating connecting rod 602 to be positioned at the leftmost end, and closing the stroke-adjustable reciprocating motor 6; starting the electric sliding table 5 to move leftwards, driving the electromagnet 603 to move leftwards to be close to and level with the vertical end face of the armature 106, and closing the electric sliding table 5; the electromagnet 603 is switched on to attract the armature 106.

6. Starting the vibrator 205 to make the sample container 1 vibrate forcedly; the reciprocating motor 601 with the adjustable stroke is started to drive the reciprocating sample guide push rod 105 to reciprocate in the sample guide groove 104, so that the samples accumulated in the sample guide groove 104 after vibration are continuously and uniformly pushed out to the sample receiving vessel 4 through the sample outlet hole 102 and the sample guide pipe 103. When the sample weighing weight is set, the weighing sensor 3 feeds back a signal to the controller 7, and the stroke-adjustable reciprocating motor 6 and the vibrator 205 are closed; after the reading is stabilized, the weighing sensor 3 stores the sample weight. The electromagnet 603 is powered off and the attraction connection with the armature 106 is broken.

And ending the horizontal reciprocating sample pushing, sample discharging and weighing process.

The utility model discloses a put forward and designed a reciprocal push rod of level and lead appearance groove composite set, with the help of the reciprocal push rod at the horizontal reciprocating motion who leads the appearance inslot, evenly release in succession collects the solid powder sample of piling up at leading the appearance inslot with the help of the vibration, can accomplish the solid powder sample of settlement weight take out in succession and automatic weighing.

By changing the stroke of the reciprocating motor, the diameter or specification of the sample guide groove and the running frequency of the reciprocating mechanism, the weight of the solid powder sample can be adjusted, the problem that the work time is long when the weight of the sample is heavy is solved, the flow of an automatic sample weighing system can be optimized, the working time is reduced, and the working efficiency is further improved.

The powder sample is vibrated by the vibrator, so that the process problems of arch erection, rat holes, bridging and adhesion of the solid powder sample on the upper part of the flow guide groove are solved, and the sample can be guaranteed to be collected and accumulated in the sample guide groove.

The reciprocating push rod and sample guide groove combined component is simple in structure, safe and reliable in operation and low in failure rate through actual production verification, and is practical and effective.

The device is characterized in that the sample is divided and weighed by the reciprocating push rod and the sample guide groove combination device, the sample directly enters the sample receiving vessel after being taken out, the intermediate link of using a sample weighing knife (spoon) for manual sample weighing is omitted, the mutual cross contamination of the hidden samples among different samples is completely avoided, and the subsequent analysis and test quality is ensured.

The device can realize that the laboratory weighs the appearance automatically, has replaced the manual work, has reduced the recruitment cost.

In summary, the preferred embodiments of the present invention are only described, and the scope of the present invention is not limited thereto. All equivalent changes and modifications made according to the content of the claims of the present invention shall fall within the technical scope of the present invention.

Claims (9)

1. Laboratory solid powder sample continuous sampling weighing device of adjustable appearance volume of going out, its characterized in that includes shaking table (2), reciprocating mechanism (6) and is located on shaking table (2) and can with flourishing appearance container (1) of shaking table (2) vibration, flourishing appearance container (1) is including container body (101) and set up reciprocal sample guide push rod (105) in container body (101), reciprocating mechanism (6) can drive reciprocal sample guide push rod (105) reciprocating motion, reciprocal sample guide push rod (105) are used for pushing out the sample from appearance hole (102) of container body (101).

2. The laboratory solid powder sample continuous sampling and weighing device capable of adjusting the sample output amount according to claim 1, characterized in that a sample guide groove (104) is formed at the bottom of the container body (101), and the reciprocating sample guide push rod (105) can reciprocate along the sample guide groove (104).

3. The adjustable sample-out quantity laboratory solid powder sample continuous-taking weighing device according to claim 1, characterized in that the reciprocating sample-guiding push rod (105) partially extends out of the container body (101), and an armature (106) is arranged at the outer end of the reciprocating sample-guiding push rod (105) located at the container body (101).

4. The laboratory solid powder sample continuous-taking weighing device capable of adjusting the sample output amount according to claim 1, wherein the reciprocating mechanism (6) comprises a reciprocating motor (601), an adjustable stroke reciprocating connecting rod (602) and an electromagnet (603), the adjustable stroke reciprocating connecting rod (602) is fixedly connected with the reciprocating motor (601), and the electromagnet (603) is fixedly arranged at one end of the adjustable stroke reciprocating connecting rod (602).

5. The laboratory solid powder sample continuous sampling weighing device capable of adjusting the sampling amount according to claim 1, characterized in that a sampling guide pipe (103) is arranged at the position of a sampling hole (102) of the container body (101), a cover plate (108) is arranged at the top end of the container body (101), and a limit base (107) is arranged at the bottom end of the container body (101).

6. The laboratory solid powder sample continuous sampling weighing device capable of adjusting the sample discharge amount according to claim 1, wherein the vibration table (2) comprises a base (201), a support column (202) fixedly connected with the base (201), a vibration table top (203) fixedly connected with the support column (202), and a vibrator (205) located on the vibration table top (203), and the vibration table top (203) is provided with a vibration limiting seat (204) for fixing the sample container (1).

7. The laboratory solid powder sample continuous sampling weighing device capable of adjusting the sample output amount according to claim 1, characterized in that a sample receiving vessel (4) is arranged at the bottom end of the sample containing container (1), and a weighing sensor (3) is arranged at the bottom end of the sample receiving vessel (4).

8. The laboratory solid powder sample continuous sampling weighing device capable of adjusting the sample output amount according to claim 1, characterized in that the vibration table (2) is provided with an electric sliding table (5), and the reciprocating mechanism (6) is installed on the electric sliding table (5).

9. The laboratory solid powder sample continuous-taking weighing device capable of adjusting the sample output amount according to claim 1, characterized by further comprising a controller (7), wherein the controller (7) is electrically connected with the vibrator (205), the weighing sensor (3), the electric sliding table (5), the reciprocating motor (601) and the electromagnet (603) respectively.

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