Integrated infrared drying and quantitative tabletting equipment

Abstract

The utility model belongs to the field of detection equipment, and particularly relates to integrated infrared drying and quantitative tabletting equipment which comprises a base, a sample table arranged on the base and a drying and tabletting structure arranged above the base, and the base is connected with the sample table through a sliding device. According to the integrated infrared drying and quantitative tabletting equipment disclosed by the utility model, samples on the sample table can be distributed to different positions to be subjected to any combination operation of drying, tabletting and sampling through the arrangement of the sliding rails on the base; by integrating drying, sampling and tabletting into a whole, the moisture regain phenomenon of a sample is greatly reduced, and meanwhile, the sample amount can be accurately controlled.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of detection equipment, more particularly to a kind of integrated infrared drying quantitative tableting equipment. BACKGROUND

[0002] Fourier infrared spectrometer is a kind of equipment commonly used to analyze organic and inorganic compounds in substances. Before using Fourier infrared spectrometer for detection, a series of sample preparation work needs to be carried out on the detection sample. The most common one is potassium bromide tabletting method, because its preparation process is simple, and it is suitable for testing a variety of samples, not only for solid samples, but also for liquid and gas samples, which provides a variety of detection options for testing complex samples in the fields of chemistry and biology.

[0003] However, the current common infrared sample preparation device has the following shortcomings:

[0004] The traditional infrared sample preparation device needs to dry potassium bromide first, then weigh the dried potassium bromide and the sample, then transfer the weighed sample to the tabletting machine for tabletting and forming for infrared detection. In this traditional sample preparation process, the powder sample is easy to re-humidify during transfer after drying, and there are errors in the sample weighing and transfer process. The sample potassium bromide tabletting specification integrity is difficult to be consistent, and the space occupied by multiple instruments is large. These problems affect the accuracy and reliability of the analysis of the substance. INVENTION CONTENTS

[0005] The utility model aims at overcoming the defects in the prior art, and provides an integrated infrared drying quantitative tableting equipment.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] An integrated infrared drying quantitative tableting equipment, comprising a base, a sample stage arranged on the base, and a drying and tabletting structure arranged above the base. The base and the sample stage are connected by a sliding device.

[0008] The sliding device comprises a slide rail arranged on the base and a sliding groove matched with the slide rail and arranged at the bottom of the sample stage.

[0009] A tabletting shell is arranged on the sample stage. The tabletting shell is detachably connected with the sample stage.

[0010] The drying and tabletting structure comprises at least two of a weighing structure, a drying structure and a tabletting structure. The drying and tabletting structure is arranged on a mounting bracket above the base.

[0011] The weighing mechanism comprises a sample conveying unit and a sample weighing unit.

[0012] The sample delivery unit includes a sample cylinder, a screw propeller disposed inside the sample cylinder, and a motor connected to the screw propeller; a sample inlet and a sample outlet are respectively provided on the lower front side of the sample cylinder.

[0013] The sample weighing unit includes a weighing funnel located below the sample cylinder, a weight sensor located below the weighing funnel, and a solenoid valve located at the outlet of the weighing funnel.

[0014] The weight sensor is electrically connected to the solenoid valve and the motor via a controller.

[0015] The tablet pressing structure includes a lifting tablet pressing cylinder mounted on the mounting frame and a pressure head connected to the output end of the lifting tablet pressing cylinder.

[0016] The drying structure includes an infrared lamp mounted on the mounting frame and multiple connecting plates disposed between the mounting frame and the base; the multiple connecting plates form a closed space between the mounting frame containing the infrared lamp and the base.

[0017] The connecting plate is a transparent connecting plate.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] This utility model's integrated infrared drying and quantitative tableting equipment allows the sample on the sample stage to be divided into different positions for any combination of drying, tableting, and sampling operations via the slide rails on the base. By integrating drying, sampling, and tableting into one unit, it greatly reduces sample moisture reabsorption and enables precise control of sample quantity. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the integrated infrared drying and quantitative tableting equipment of this utility model;

[0021] Figure 2 This is a schematic diagram of the sliding device of the base of the integrated infrared drying quantitative tableting equipment of this utility model;

[0022] Figure 3 This is a schematic diagram of the weighing structure of the integrated infrared drying quantitative tableting equipment of this utility model; Detailed Implementation

[0023] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and preferred embodiments.

[0024] Figure 1Figure 3 shows an integrated infrared drying and quantitative tableting device, including a base 1, a sample stage 21 disposed on the base 1, and a drying and tableting structure disposed above the base; the base 1 and the sample stage 21 are connected by a sliding device 2.

[0025] The sliding device 2 includes a slide rail 201 disposed on the base and a slide groove 202 disposed at the bottom of the sample stage and matching the slide rail.

[0026] The sample stage 21 is provided with a tablet pressing shell 203; the tablet pressing shell 203 is detachably connected to the sample stage 21, which facilitates the sampling of processed samples for infrared detection.

[0027] The drying and tableting structure includes at least two of the following: a weighing structure, a drying structure 6, and a tableting structure 5; the drying and tableting structure is mounted on a mounting frame above the base.

[0028] The weighing mechanism includes a sample conveying unit 3 and a sample weighing unit 4;

[0029] The sample delivery unit includes a sample cylinder 31, a screw propeller 32 disposed inside the sample cylinder, and a motor 33 connected to the screw propeller; a sample inlet and a sample outlet (not shown) are respectively provided on the lower front side of the sample cylinder;

[0030] The sample weighing unit 4 includes a weighing funnel 41 located below the sample cylinder, a weight sensor 43 located below the weighing funnel, and a solenoid valve 42 located at the outlet of the weighing funnel; the weight sensor 43, the solenoid valve 42, and the motor 33 are electrically connected via a controller.

[0031] In use, the sample is added into the sample cylinder, the motor is started, and the screw propeller pushes the sample from the sample outlet into the weighing funnel 41 below. When the weight sensor 43 senses that the sample weight has reached the required level, the controller responds and the solenoid valve opens, and the sample falls into the tableting shell. At this time, the motor also stops rotating, and the screw propeller stops feeding.

[0032] The tablet pressing structure 5 includes a lifting tablet pressing cylinder mounted on the mounting frame and a pressing head 51 connected to the output end of the lifting tablet pressing cylinder.

[0033] The drying structure 6 includes an infrared lamp mounted on the mounting frame and multiple connecting plates disposed between the mounting frame and the base; the multiple connecting plates form a closed space between the mounting frame containing the infrared lamp and the base. The connecting plates are transparent for easy observation.

[0034] It should be noted that the weighing structure, drying structure and tableting structure of this embodiment are only illustrative examples, and other structures that can satisfy drying, weighing and tableting are all within the protection scope of this application.

[0035] The implementation scheme of this utility model is as follows: First, potassium bromide is placed under an infrared lamp for drying. After drying, potassium bromide and the sample are placed in a sample cylinder and transferred to a tableting plate under the action of a weighing structure. Then, the sample stage is moved to transfer the tableting plate to the bottom of the tableting structure for tableting. The tablet is then formed for infrared detection.

[0036] In summary, the integrated infrared drying and quantitative tableting equipment of this invention can distribute the sample on the sample stage to different positions for any combination of drying, tableting, and sampling operations by setting the slide rail on the base; by integrating drying, sampling, and tableting into one unit, the phenomenon of sample moisture return is greatly reduced, and at the same time, the sample quantity can be precisely controlled.

[0037] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. An integrated infrared drying and quantitative tableting device, characterized in that, It includes a base, a sample stage disposed on the base, and a drying and pressing structure disposed above the base; the base and the sample stage are connected by a sliding device.

2. The integrated infrared drying and quantitative tableting equipment according to claim 1, characterized in that, The sliding device includes a slide rail disposed on the base and a slide groove disposed at the bottom of the sample stage and matching the slide rail.

3. The integrated infrared drying and quantitative tableting equipment according to claim 1, characterized in that, The sample stage is provided with a tablet pressing shell; the tablet pressing shell is detachably connected to the sample stage.

4. The integrated infrared drying and quantitative tableting equipment according to claim 1, characterized in that, The drying and tableting structure includes at least two of the following: a weighing structure, a drying structure, and a tableting structure; the drying and tableting structure is mounted on a mounting frame above the base.

5. The integrated infrared drying and quantitative tableting equipment according to claim 4, characterized in that, The weighing structure includes a sample conveying unit and a sample weighing unit; The sample delivery unit includes a sample cylinder, a screw propeller disposed inside the sample cylinder, and a motor connected to the screw propeller; a sample inlet and a sample outlet are respectively provided on the lower front side of the sample cylinder. The sample weighing unit includes a weighing funnel located below the sample cylinder, a weight sensor located below the weighing funnel, and a solenoid valve located at the outlet of the weighing funnel. The weight sensor is electrically connected to the solenoid valve and the motor via a controller.

6. The integrated infrared drying and quantitative tableting equipment according to claim 4, characterized in that, The tablet pressing structure includes a lifting tablet pressing cylinder mounted on the mounting frame and a pressure head connected to the output end of the lifting tablet pressing cylinder.

7. The integrated infrared drying and quantitative tableting equipment according to claim 4, characterized in that, The drying structure includes an infrared lamp mounted on the mounting frame and multiple connecting plates disposed between the mounting frame and the base; the multiple connecting plates form a closed space between the mounting frame containing the infrared lamp and the base.

8. The integrated infrared drying and quantitative tableting equipment according to claim 7, characterized in that, The connecting plate is a transparent connecting plate.

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