Product collecting device and control method thereof

Abstract

The invention discloses a product collecting device and a control method thereof, and relates to the technical field of thin layer chromatography, the product collecting device comprises a base, a first driving module, a bottom plate, a second driving module and a collecting module, the base has a first direction, a second direction and a third direction; the first driving module is arranged on the base, and a driving part of the first driving module can linearly move along a first direction relative to the base; the bottom plate is connected with the driving part of the first driving module and is used for placing a silica gel plate; the second driving module is arranged on the base, and a driving part of the second driving module can move in the plane where the second direction and the third direction are located relative to the base; the collecting module is connected with the driving part of the second driving module, the collecting module comprises a scraping assembly and a suction assembly, the scraping assembly is used for scraping the product from the silica gel plate, and the suction assembly is used for collecting powder of the product. The product collecting device provided by the invention can realize the automation of thin-layer chromatography product recovery, and reduces dust flying.

Description

Technical Field

[0001] The present invention relates to the technical field of thin layer chromatography, in particular to a product collecting device and a control method thereof. Background Art

[0002] Preparative Thin-Layer Chromatography (PTLC) is the most commonly used purification method in organic chemical synthesis. It can quickly separate multiple components in a reaction system mixture.

[0003] Currently, this purification process still requires manual labor, which is time-consuming and labor-intensive, significantly limiting the efficiency of separation and purification. Furthermore, when the powder is scraped off the silica gel plate, it diffuses into the air. If inhaled over a long period of time, it can irritate the respiratory tract, causing respiratory discomfort and even pneumoconiosis. If the powder accidentally gets into the eyes, it can also cause irritation, leading to symptoms such as dry eye or conjunctivitis. Summary of the Invention

[0004] The main purpose of the present invention is to provide a product collection device and a control method thereof, aiming to realize the automation of preparative thin layer chromatography product recovery, reduce dust flying, and protect experimenters.

[0005] To achieve the above-mentioned objectives, the present invention proposes a product collection device for collecting products for preparative thin-layer chromatography, the product collection device comprising a base, a first driving module, a bottom plate, a second driving module and a collection module, the base having a first direction, a second direction and a third direction; the first driving module is arranged on the base, and the driving portion of the first driving module can move linearly along the first direction relative to the base; the bottom plate is connected to the driving portion of the first driving module, and the bottom plate is used to place a silica gel plate; the second driving module is arranged on the base, and the driving portion of the second driving module can move relative to the base in the plane where the second direction and the third direction are located; the collection module is connected to the driving portion of the second driving module, and the collection module comprises a scraping component and a suction component, the scraping component is used to scrape the product from the silica gel plate, and the suction component is used to collect the powder of the product.

[0006] In one embodiment, the scraping assembly includes a milling cutter and a rotating motor, the rotating motor is connected to the driving part of the second driving module, one end of the milling cutter is connected to the rotating shaft of the rotating motor, and the other end of the milling cutter is used to scrape the silicone plate.

[0007] In one embodiment, the suction assembly includes a suction nozzle, a pipeline, a pump body and a collecting part. The suction nozzle is connected to the outer wall of the rotating motor, and both ends of the suction nozzle are open and through. One end of the suction nozzle is open toward the other end of the milling cutter. The collecting part is arranged on the base, and a collecting chamber is provided in the collecting part. The other end of the suction nozzle is connected to the collecting chamber through the pipeline. The pump body is arranged on the base and is connected to the pipeline or the collecting chamber.

[0008] In one embodiment, one end of the nozzle is opened into a flat opening.

[0009] In one embodiment, the collection module further includes a liquid injection component, which is disposed on the base and communicates with the collection chamber for delivering solution to the collection chamber.

[0010] In one embodiment, the collecting portion includes a communicating funnel portion and a liquid flow tube, the collecting cavity is provided in the funnel portion, and a filter element is provided at the connection between the funnel portion and the liquid flow tube.

[0011] In one embodiment, the product collection device further includes a shell having a accommodating cavity, the base, the first driving module, the bottom plate, the second driving module and the collection module are all arranged in the accommodating cavity, and the front side wall of the accommodating cavity is made of transparent material.

[0012] In one embodiment, the product collection device further includes an ultraviolet component and a camera component. The ultraviolet component is disposed on the base and irradiates toward the bottom plate. The camera component is disposed on the top of the accommodating cavity and shoots toward the bottom plate.

[0013] In one embodiment, the product collection device further includes a control component, which is disposed on an outer surface of the housing and is electrically or wirelessly connected to the first driving module, the second driving module, and the collection module.

[0014] The present invention further provides a control method, which is applied to the product collection device as described in any one of the above items, and the control method comprises the following steps:

[0015] Controlling the first driving module to drive the bottom plate and the silicone plate to move to corresponding positions;

[0016] The first driving module, the second driving module and the collecting module are controlled to move to scrape and collect the product on the silica gel plate.

[0017] The technical solution of the present invention adopts a first driving module to drive the base plate, driving the silicone plate on the base plate to move along the first direction, and the second driving module drives the collecting module, so that the collecting module can move in the second and third directions relative to the silicone plate; the collecting module includes a scraping component and a suction component. Through the joint action of the first driving module and the second driving module, the scraping component and the suction component are moved together relative to the silicone plate to any position in the three-dimensional space, and the scraping component scrapes the product from the silicone plate to realize the automation of product collection, greatly improving the efficiency of separation and purification in organic chemical synthesis; and the scraped product is collected in time through the suction component to prevent the product powder from flying everywhere and affecting the health of the experimenter. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0019] Figure 1 A schematic structural diagram of an embodiment of a product collection device provided by the present invention;

[0020] Figure 2 A schematic structural diagram of another embodiment of the product collection device provided by the present invention, wherein the outer shell is removed;

[0021] Figure 3 A bottom view of another embodiment of the product collection device provided by the present invention;

[0022] Figure 4 A rear view of another embodiment of the product collection device provided by the present invention;

[0023] Figure 5 This is a flow chart of an embodiment of the control method provided by the present invention.

[0024] Description of Figure Numbers:

[0025] 100. Product collection device; 1. Base; 2. First drive module; 3. Bottom plate; 4. Second drive module; 5. Collection module; 51. Scraping assembly; 511. Milling cutter; 512. Rotating motor; 52. Suction assembly; 521. Suction nozzle; 522. Pipeline; 523. Pump body; 524. Collection part; 5241. Funnel part; 5242. Liquid flow tube; 5243. Sampling bottle; 6. Housing; 7. Ultraviolet assembly; 8. Camera assembly; 9. Control assembly; 200. Silicone plate.

[0026] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0028] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0029] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0030] Preparative Thin-Layer Chromatography (PTLC) is the most commonly used purification method in organic chemical synthesis. It can quickly separate multiple components in a reaction system mixture.

[0031] Currently, this purification process still requires manual labor, which is time-consuming and labor-intensive, significantly limiting the efficiency of separation and purification. Furthermore, when the powder is scraped off the silica gel plate, it diffuses into the air. If inhaled over a long period of time, it can irritate the respiratory tract, causing respiratory discomfort and even pneumoconiosis. If the powder accidentally gets into the eyes, it can also cause irritation, leading to symptoms such as dry eye or conjunctivitis.

[0032] The present invention provides a product collection device and a control method thereof, aiming to realize the automation of preparative thin layer chromatography product recovery, reduce dust dispersion, and protect experimenters.

[0033] See also Figure 2 and Figure 3 In one embodiment of the present invention, the product collecting device 100 is used to collect products for preparative thin layer chromatography. The product collecting device 100 includes a base 1, a first driving module 2, a bottom plate 3, a second driving module 4 and a collecting module 5. The base 1 has a first direction, a second direction and a third direction; the first driving module 2 is arranged on the base 1, and the driving part of the first driving module 2 can move linearly along the first direction relative to the base 1; the bottom plate 3 is connected to the driving part of the first driving module 2, and the bottom plate 3 is used to place the silica gel plate 200; the second driving module 4 is arranged on the base 1, and the driving part of the second driving module 4 can move relative to the base 1 in the plane where the second direction and the third direction are located; the collecting module 5 is connected to the driving part of the second driving module 4, and the collecting module 5 includes a scraping component 51 and a suction component 52. The scraping component 51 is used to scrape the product from the silica gel plate 200, and the suction component 52 is used to collect the powder of the product.

[0034] In this embodiment, the base 1 serves as the base of the entire product collection device 100 and is used to support other functional modules. Specifically, a metal material such as an aluminum profile can be used to achieve a stable effect. The specific structure of the base 1 can be a combination of a base and a crossbeam. The two ends of the crossbeam are connected to the base by two vertical beams. The second drive module 4 can be set on the crossbeam, and the first drive module 2 can be set on the base. The two drive modules are independently arranged to achieve arbitrary movement in three-dimensional space. The collection module 5 includes a scraping component 51 and a suction component 52. The scraping component 51 can be a combination of a milling cutter 511 and a rotating motor 512. The suction component 52 needs to collect the scraped powder. Since the scraped powder particles are small, the suction component 52 can use a vacuum pump or a vacuum cleaner core motor to provide negative pressure to absorb the powder. In terms of product storage, it is necessary to allow gas to pass smoothly while leaving behind powder solid products. A vacuum generator or a cyclone dust collector can be selected to temporarily store the scraped powder. No further limitation is made here.

[0035] The first drive module 2 can be a stepper motor or a linear motor. The first drive module 2 is mounted on the base 1. A base plate 3 is connected to the drive portion of the first drive module 2. The base plate 3 is screwed to the drive portion. The first drive module 2 drives the base plate 3 to reciprocate in a first direction, thereby driving the silica gel plate 200 to reciprocate in the first direction, so that the scraping assembly 51 and the suction assembly 52 are aligned with the product strip on the silica gel plate 200, scraping and promptly sucking the scraped powder. The second drive module 4 can be a combination of two stepper motors or two linear motors. One stepper motor or linear motor is mounted on the drive portion of the other stepper motor or linear motor. Through the combination of the two motors, the drive portion of the stepper motor can move in two dimensions within a plane. The collection module 5 is mounted on the drive portion of one stepper motor or linear motor, thereby achieving the movement of the collection module 5 in a vertical plane, so that the scraping assembly 51 abuts the silica gel plate 200 in a third direction, and drives the scraping assembly 51 and the suction assembly 52 to scrape and suck the powder along the extension direction of the spectrum on the silica gel plate 200.

[0036] The technical solution of the present invention adopts the first driving module 2 to drive the base plate 3, driving the silica gel plate 200 on the base plate 3 to move along the first direction, and the second driving module 4 drives the collecting module 5, so that the collecting module 5 can move in the second direction and the third direction relative to the silica gel plate 200; the collecting module 5 includes a scraping component 51 and a suction component 52. Through the joint action of the first driving module 2 and the second driving module 4, the scraping component 51 and the suction component 52 are moved together relative to the silica gel plate 200 to any position in the three-dimensional space. The scraping component 51 scrapes the product from the silica gel plate 200, and the scraped product is collected in time through the suction component 52, thereby realizing the automation of product collection, greatly improving the efficiency of separation and purification in organic chemical synthesis; and preventing the product powder from flying around and affecting the health of the experimenters.

[0037] See also Figure 2 In an embodiment of the present invention, the scraping assembly 51 includes a milling cutter 511 and a rotating motor 512. The rotating motor 512 is connected to the driving part of the second driving module 4. One end of the milling cutter 511 is connected to the rotating shaft of the rotating motor 512. The other end of the milling cutter 511 is used to scrape the silicone plate 200.

[0038] In this embodiment, a milling cutter 511 and a rotary motor 512 are used as the scraping assembly 51. The rotary motor 512 is disposed on the drive portion of the second drive module 4. The rotary motor 512 can perform two-dimensional movement relative to the base in the planes corresponding to the second and third directions, thereby driving the milling cutter 511 to abut the silica gel plate 200 and move along the extension direction of the product spectrum band. At the same time, the first drive module 2 also moves synchronously, so that the movement path of the milling cutter 511 is Z-shaped, scraping the powder from the silica gel plate 200 and improving the scraping efficiency and effect. One end of the milling cutter 511 is connected to the rotating shaft of the rotary motor 512. The rotary motor 512 drives the milling cutter 511 to move in the planes corresponding to the second and third directions, and simultaneously rotates under the drive of the rotating shaft of the rotary motor 512 to better scrape the product from the silica gel plate 200, improving the scraping effect and efficiency. The milling cutter 511 is made of metal materials such as high-speed steel or cemented carbide, and in order to prevent the milling cutter 511 from corrosion, a corrosion-resistant coating can be provided on the surface of the milling cutter 511.

[0039] In a preferred embodiment, when using the milling cutter 511 for scraping, considering that the silicone plate 200 may be uneven, etc., it is necessary to design a buffer for the cutter head of the milling cutter 511. A buffer device is provided between the rotating motor 512 and the driving part of the second driving module 4. The buffer device includes a spring, a motor clamp and a slide rail. When the milling cutter 511 is milling, the spring provides buffering to prevent the cutter head of the milling cutter 511 from breaking due to excessive force, and can ensure that the silicone powder is scraped off smoothly to reduce product residue.

[0040] See also Figure 4 In an embodiment of the present invention, the suction assembly 52 includes a suction nozzle 521, a pipeline 522, a pump body 523 and a collecting part 524. The suction nozzle 521 is connected to the outer wall of the rotating motor 512. Both ends of the suction nozzle 521 are open and pass through. One end of the suction nozzle 521 is open toward the other end of the milling cutter 511. The collecting part 524 is arranged on the base 1. The collecting part 524 has a collecting chamber. The other end of the suction nozzle 521 is connected to the collecting chamber through the pipeline 522. The pump body 523 is arranged on the base 1 and is connected to the pipeline 522 or the collecting chamber.

[0041] In this embodiment, the suction component 52 includes a connected suction nozzle 521, a pipeline 522 and a collecting part 524. There is a collecting chamber in the collecting part 524. The suction nozzle 521, the pipeline 522 and the collecting chamber are connected to form a suction channel for the circulation of powder and gas. The pump body 523 is connected to the pipeline 522 or the collecting chamber to apply negative pressure to the pipeline 522 or the collecting chamber to realize gas flow and drive the scraped powder to be transported to the collecting chamber for temporary storage. The pump body 523 can adopt a vacuum pump or other pump components that can generate negative pressure, which is not further limited here.

[0042] In the embodiment of the present invention, one end of the suction nozzle 521 is opened into a flat opening.

[0043] In this embodiment, the end of the suction nozzle 521 facing the silicone plate 200 is flat. This is to match the width of the long strips on the silicone plate 200 and increase the suction area to enhance powder suction. It will be appreciated that the specific dimensions of the flat suction nozzle 521 should be selected based on the width of the long strips on the silicone plate 200 or the particle diameter of the powder being scraped.

[0044] See also Figure 4 In an embodiment of the present invention, the collection module 5 further includes a liquid injection component 53, which is disposed on the base 1 and communicates with the collection chamber for delivering solution to the collection chamber.

[0045] In this embodiment, an injection component 53 connected to the collection chamber is provided. Since the silica gel powder is insoluble in organic solvents, the product powder in the scraped powder can be dissolved by being transported into the collection chamber through the injection component 53. Then, through a filtering operation, the product powder and the organic solvent in the scraped powder are separated from the silica gel powder solid-liquid to complete the product recovery operation.

[0046] Please see again Figure 4 In an embodiment of the present invention, the collecting portion 524 includes a connected funnel portion 5241 and a liquid flow tube 5242. The funnel portion 5241 has a collecting cavity. A filter element is provided at the connection between the funnel portion 5241 and the liquid flow tube 5242. A sampling bottle 5243 is provided below the liquid flow tube 5242. The sampling bottle 5243 is used to receive the solution.

[0047] In this embodiment, the collection portion 524 includes a connected funnel portion 5241 and a liquid flow tube 5242. The funnel portion 5241 is used to temporarily store the collected powder, including the product powder and silica gel powder. A filter element is provided at the connection between the funnel portion 5241 and the liquid flow tube 5242. The injection assembly 53 delivers an organic solvent into the funnel portion 5241. The organic solvent dissolves the product in the funnel portion 5241 and flows into the sampling bottle 5243 through the liquid flow tube 5242. The solid silica gel powder can be filtered by the filter element and will not flow into the sampling bottle 5243 along with the organic solvent, thereby achieving solid-liquid separation of the organic solvent and the silica gel powder. In a preferred embodiment, when it is necessary to add an organic solvent to the collected silica gel powder to extract the desired product from the powder, to accelerate the elution process, a positive pressure pump can be used to apply positive pressure to accelerate the filtration rate of the silica gel powder and the organic solvent.

[0048] like Figure 1As shown, in an embodiment of the present invention, the product collection device 100 also includes a shell 6, the shell 6 has a accommodating cavity, the base 1, the first driving module 2, the bottom plate 3, the second driving module 4 and the collection module 5 are all arranged in the accommodating cavity, and the front side wall of the accommodating cavity is made of transparent material.

[0049] In this embodiment, a shell 6 is provided outside the base 1, the first driving module 2, the bottom plate 3, the second driving module 4 and the collection module 5, which can further prevent the scraped powder from flying and affecting the health of the experimenter; the shell 6 is made of hard plastic material, and the side of the shell 6 facing the front is set to be transparent material, which can be transparent glass material, so that the experimenter can observe the operation status of each module from this side to facilitate timely detection of problems.

[0050] See also Figure 1 and Figure 2 In an embodiment of the present invention, the product collection device 100 further includes an ultraviolet component 7 and a camera component 8. The ultraviolet component 7 is disposed on the base 1 and irradiates toward the bottom plate 3. The camera component 8 is disposed on the top of the accommodating cavity and shoots toward the bottom plate 3.

[0051] In this embodiment, the camera assembly 8 is located at the top of the device and can be installed on the top of the accommodating cavity of the housing 6. When the base plate 3 moves to the bottom of the camera assembly 8, the pre-treated silica gel plate 200 on the base plate 3 is photographed to facilitate the next step of image processing. The silica gel plate 200 is doped with a fluorescent indicator (such as manganese-activated zinc silicate), which will emit green fluorescence under the 254nm ultraviolet component 7. The ultraviolet component 7 is used to irradiate the silica gel plate 200. The ultraviolet component 7 can use ultraviolet lamp beads, ultraviolet lamp tubes, or ultraviolet lamp panels. The sample components on the pre-treated silica gel plate 200 absorb 254nm ultraviolet rays, which will block the light emission of the fluorescent indicator and form dark spots (such as compounds containing benzene rings) against the fluorescent background. The products on the silica gel plate 200 are identified based on the alternating light and dark bands.

[0052] Please see again Figure 1 In an embodiment of the present invention, the product collection device 100 further includes a control component 9, which is disposed on the outer surface of the housing 6 and is electrically connected or wirelessly connected to the first driving module 2, the second driving module 4 and the collection module 5.

[0053] In this embodiment, the control component 9 is arranged on the outer surface of the shell 6, specifically on the upper left side of the front of the shell 6. The control component 9 is electrically connected or wirelessly connected to the first drive module 2, the second drive module 4 and the collection module 5. The control component 9 can specifically be a human-computer interactive display screen, that is, it can be used to display the current status of the product collection device 100, such as the number of processed items, the moving speed of the first drive module 2 and the second drive module 4, etc., and can also directly control the working status of the first drive module 2, the second drive module 4 and the collection module 5 through the touch screen, so that the overall working status and control of the product collection device 100 are more intuitive.

[0054] See also Figure 5 The present invention further provides a control method, which is applied to the product collection device 100 as described above, and the control method comprises the following steps:

[0055] Step S1: Control the first driving module 2 to drive the bottom plate 3 and the silicone plate 200 to move to corresponding positions;

[0056] Step S2: controlling the first driving module 2 , the second driving module 4 and the collecting module 5 to move to scrape and collect the product on the silica gel plate 200 .

[0057] In this embodiment, the silica gel plate 200 to be scraped is first installed on the base plate 3, and the first driving module 2 is started to drive the silica gel plate 200 on the base plate 3 to move to the corresponding position, so that the spectrum band on the silica gel plate 200 is located directly below the scraping component 51. Then, the second driving module 4 and the collecting module 5 are controlled to start, so that the scraping component 51 abuts against the silica gel plate 200 and moves along the extension direction of the spectrum band. At the same time, the suction component 52 collects the scraped powder, completing the operation of recovering the product on the silica gel plate 200.

[0058] The overall working process of the product collecting device 100 in the present invention is as follows: the silica gel plate 200 to be scraped is mounted on the bottom plate 3, the first driving module 2 is started, and the silica gel plate 200 on the bottom plate 3 is driven to move to the position directly below the camera assembly 8; the ultraviolet component 7 irradiates ultraviolet rays onto the silica gel plate 200, and the camera assembly 8 photographs the silica gel plate 200 irradiated with ultraviolet rays, and the captured image is subjected to contour detection by the control component 9 to identify the spectral band information on the silica gel plate 200, and based on the spectral band information, a moving path of the first driving module 2 and the second driving module 4 is generated, and the first driving module 2 and the second driving module 4 are controlled to move according to the moving path; the first driving module 2 is controlled to drive the silica gel plate 200 to move in the first direction, so that the spectral band on the silica gel plate 200 Align the milling cutter 511, rotate the motor 512 to drive the milling cutter 511 to rotate, and at the same time, the second drive module 4 drives the milling cutter 511 to move in the second direction, and at the same time, the first drive module 2 drives the bottom plate to move in the first direction, so that the milling cutter 511 can make a Z-shaped movement relative to the silica gel plate 200, thereby completing the powder scraping of the silica gel plate 200; while scraping the strips, the pump body 523 provides negative pressure, and the suction component 52 absorbs the scraped silica gel powder and temporarily stores it in the collection chamber of the collection part 524; after the solid product is collected, an organic solvent is added to the funnel part 5241 of the collection part 524 for "elution", and the product adsorbed on the silica gel powder is eluted and flows into the sample bottle through the liquid flow tube 5242, and finally a compound corresponding to the spectrum band is obtained.

[0059] The above description is merely an exemplary embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformation made by utilizing the contents of the present invention's description and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. A product collection device (100) for collecting products of preparative thin layer chromatography, characterized in that: The product collecting device (100) comprises: A base (1), wherein the base (1) has a first direction, a second direction, and a third direction; A first driving module (2), the first driving module (2) being arranged on the base (1), and a driving portion of the first driving module (2) being capable of linearly moving relative to the base (1) along the first direction; a bottom plate (3), the bottom plate (3) being connected to the driving portion of the first driving module (2), and the bottom plate (3) being used to place the silica gel plate (200); A second driving module (4), the second driving module (4) being arranged on the base (1), and a driving portion of the second driving module (4) being movable relative to the base (1) in a plane where the second direction and the third direction are located; and A collecting module (5) is connected to the driving portion of the second driving module (4), and the collecting module (5) comprises a scraping component (51) and a suction component (52), wherein the scraping component (51) is used to scrape the product from the silica gel plate (200), and the suction component (52) is used to collect powder of the product.

2. The product collecting device (100) according to claim 1, characterized in that: The scraping assembly (51) comprises a milling cutter (511) and a rotating motor (512), wherein the rotating motor (512) is connected to the driving portion of the second driving module (4), one end of the milling cutter (511) is connected to the rotating shaft of the rotating motor (512), and the other end of the milling cutter (511) is used to scrape the silicone plate (200).

3. The product collecting device (100) according to claim 2, characterized in that: The suction assembly (52) comprises a suction nozzle (521), a pipeline (522), a pump body (523) and a collecting portion (524); the suction nozzle (521) is connected to the outer wall of the rotating motor (512); both ends of the suction nozzle (521) are open and connected; one end of the suction nozzle (521) is open toward the other end of the milling cutter (511); the collecting portion (524) is provided on the base (1); a collecting chamber is provided in the collecting portion (524); the other end of the suction nozzle (521) is communicated with the collecting chamber through the pipeline (522); the pump body (523) is provided on the base (1) and is communicated with the pipeline (522) or the collecting chamber.

4. The product collecting device (100) according to claim 3, characterized in that: One end of the suction nozzle (521) is opened into a flat opening.

5. The product collecting device (100) according to claim 3, characterized in that: The collection module (5) further comprises a liquid injection component (53), which is arranged on the base (1) and communicates with the collection chamber for conveying solution to the collection chamber.

6. The product collecting device (100) according to claim 5, characterized in that: The collecting portion (524) comprises a connected funnel portion (5241) and a liquid flow tube (5242); the funnel portion (5241) has the collecting cavity therein; and a filter element is provided at the connection between the funnel portion (5241) and the liquid flow tube (5242).

7. The product collecting device (100) according to any one of claims 1 to 6, characterized in that: The product collection device (100) further comprises a housing (6), wherein the housing (6) has a housing cavity, wherein the base (1), the first drive module (2), the bottom plate (3), the second drive module (4) and the collection module (5) are all arranged in the housing cavity, and the front side wall of the housing cavity is made of a transparent material.

8. The product collecting device (100) according to claim 7, characterized in that: The product collection device (100) further comprises an ultraviolet component (7) and a camera component (8), wherein the ultraviolet component (7) is arranged on the base (1) and irradiates toward the bottom plate (3), and the camera component (8) is arranged on the top of the accommodating cavity and photographs toward the bottom plate (3).

9. The product collecting device (100) according to claim 8, characterized in that: The product collection device (100) further includes a control component (9), which is disposed on the outer surface of the housing (6) and is electrically connected or wirelessly connected to the first drive module (2), the second drive module (4) and the collection module (5).

10. A control method, applied to the product collection device (100) according to any one of claims 1 to 9, characterized in that: The control method comprises the following steps: Controlling the first driving module (2) to drive the bottom plate (3) and the silicone plate (200) to move to corresponding positions; The first driving module, the second driving module (4) and the collecting module (5) are controlled to move to scrape and collect the product on the silica gel plate (200).

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