Automatic solid-phase extraction equipment for meat food detection

Abstract

The invention belongs to the technical field of food detection, and particularly relates to automatic solid-phase extraction equipment for meat food detection, the automatic solid-phase extraction equipment comprises a base and an extraction assembly arranged on the surface of a bottom plate, the extraction assembly comprises a box body arranged on the surface of the bottom plate, and mounting plates are fixedly connected to the two sides of the box body; the mounting plate is mounted on the surface of the bottom plate through bolts, a limiting plate is fixedly connected to the inner side of the box body, a test tube is slidably connected to the surface of the limiting plate, a sealing strip is fixedly connected to an opening of the box body, a sealing cover is arranged above the box body, and an extraction tube is slidably connected to the surface of the sealing cover. The surface of the extraction tube is fixedly connected with a limiting ring; according to the device, the temperature condition suitable for reaction can be provided, the accuracy of the extraction result is improved, the extraction tube can automatically enter the test tube, errors caused by human factors are prevented, and the accuracy of the extraction result is further improved.

Description

Technical Field

[0001] The invention belongs to the technical field of food detection, and in particular relates to an automated solid phase extraction device for meat food detection. Background Art

[0002] Solid phase extraction is a very common sample pretreatment technology for food testing. There are many different types of solid phase extraction equipment on the market. When conducting large-scale food sampling and testing, the existing solid phase extraction equipment requires manual extraction during the experiment. Multiple sets of extraction tubes increase the difficulty of operation for operators, increase human errors, and reduce the accuracy of extraction results. At the same time, the existing extraction body has poor sealing performance, which causes contamination to the solution in the body after long-term use, affecting the extraction effect. In addition, during the extraction process, different foods require different extraction environments and temperatures, and the existing extraction equipment cannot adjust the temperature of the extraction environment.

[0003] Therefore, an automated solid phase extraction device for meat food testing is designed to solve the above problems. Summary of the invention

[0004] To solve the problems raised in the above background technology. The present invention provides an automated solid phase extraction device for meat food testing, which can automatically allow the extraction tube to enter the test tube, provide good sealing for the extraction environment, and provide temperature conditions suitable for the reaction, so as to prevent contamination during the extraction process, thereby affecting the extraction results, and prevent errors caused by human factors, thereby improving the accuracy of the extraction results.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: an automated solid phase extraction device for meat food detection, comprising a bottom plate, and also comprising an extraction component arranged on the surface of the bottom plate;

[0006] The extraction assembly includes a box body arranged on the surface of the bottom plate, mounting plates are fixedly connected to both sides of the box body, the mounting plates are installed on the surface of the bottom plate by bolts, a limiting plate is fixedly connected to the inner side of the box body, a test tube is slidably connected to the surface of the limiting plate, a sealing strip is fixedly connected to the opening of the box body, a sealing cover is arranged on the top of the box body, an extraction tube is slidably connected to the surface of the sealing cover, and a limiting ring is fixedly connected to the surface of the extraction tube.

[0007] As a preferred automated solid phase extraction device for meat food testing of the present invention, a rubber ball is provided at the upper end of the extraction tube, an extraction nozzle is installed on the extraction tube, and a sealing ring is fixedly connected at the connection between the extraction tube and the extraction nozzle.

[0008] As a preferred automated solid phase extraction device for meat food testing of the present invention, a base is provided at the inner bottom of the box body, a groove matching the test tube is provided on the surface of the base, the test tube is slidably connected to the base through the groove, two mounting brackets are installed on both side surfaces of the box body, a mounting frame is fixedly connected between every two mounting brackets, and a fan is installed in the mounting frame.

[0009] As a preferred embodiment of the automated solid phase extraction device for meat food testing of the present invention, a placement groove is opened on the inner side of the installation frame, a battery is installed inside the placement groove, and the battery is electrically connected to the fan, and a protective cover is installed at the opening of the placement groove.

[0010] As a preferred automated solid phase extraction device for meat food testing of the present invention, a mounting groove is provided on the surface of the box body, a heating plate is provided on the inner side of the mounting groove, limiting blocks are fixedly connected to both sides of the heating plate, and the mounting groove is adapted to the heating plate and the limiting blocks, the heating plate and the limiting blocks are slidably connected to the box body via the mounting groove, and the limiting blocks are connected to the box body via a bidirectional threaded bolt.

[0011] As an automatic solid phase extraction device for meat food detection of the present invention, it is preferred that it also includes a reinforcement component arranged on the surface of the sealing cover;

[0012] The reinforcement assembly includes a block fixedly connected to the surface of the box body, and a buckle matched with the block is fixedly connected to the surface of the sealing cover, a guide plate is fixedly connected to the surface of the box body, and a guide groove matched with the guide plate is opened on the surface of the sealing cover, and the guide plate is slidably connected to the sealing cover through the guide groove.

[0013] As a preferred embodiment of the automated solid phase extraction device for meat food testing of the present invention, two first card grooves are provided on the surface of each of the limiting rings, and a second card groove corresponding to the first card groove is provided on the surface of the sealing cover.

[0014] As a preferred automated solid phase extraction device for meat food testing of the present invention, a double-headed card plate is provided on one side adjacent to each two of the limiting rings, and a single-headed card plate is provided on one side away from each other of the two outermost limiting rings, the double-headed card plate and the single-headed card plate are both connected to the sealing cover by screws, and the double-headed card plate and the single-headed card plate are slidably connected to the corresponding limiting ring and sealing cover through the card slot one and the card slot two.

[0015] As an automatic solid phase extraction device for meat food detection of the present invention, it is preferred that it also includes a moving component arranged on the surface of the bottom plate;

[0016] The moving assembly includes a support plate fixedly connected to the surface of the base plate, a side of the support plate away from the base plate is fixedly connected to a vertical plate, an end of the vertical plate away from the support plate is fixedly connected to a bearing plate, a side of the bearing plate away from the support plate is installed with a servo motor, a screw rod is rotatably connected between the bearing plate and the support plate, the output shaft of the servo motor passes through the bearing plate and is fixedly connected to the screw rod, a slide plate is threadedly connected to the surface of the slide plate, a connecting plate is fixedly connected to the surface of the sliding plate, and one end of the connecting plate away from the sliding plate is fixedly connected to the surface of the sealing cover.

[0017] As a preferred embodiment of the automated solid phase extraction device for meat food testing of the present invention, two guide rods are fixedly connected between the carrier plate and the support plate, and the two guide rods are respectively arranged on both sides of the screw rod and are slidably connected to the slide plate.

[0018] Compared with the prior art, the beneficial effects of the present invention are: an extraction component is added to the present application to provide temperature conditions suitable for the reaction, thereby improving the accuracy of the extraction results. At the same time, a reinforcement component is added to reinforce the extraction tube to prevent the extraction results from being affected by external factors during the extraction process. A moving component is added to allow the extraction tube to automatically enter the test tube to prevent errors caused by human factors and further improve the accuracy of the extraction results. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a structural schematic diagram of the box body in the present invention;

[0022] Figure 3 It is a structural schematic diagram of the fan in the present invention;

[0023] Figure 4 It is a schematic diagram of the structure of the bidirectional threaded bolt in the present invention;

[0024] Figure 5 It is a schematic diagram of the structure of the limit block in the present invention;

[0025] Figure 6 It is a structural schematic diagram of the card block in the present invention;

[0026] Figure 7 It is a schematic diagram of the structure of the sealing ring in the present invention;

[0027] Figure 8 It is a structural schematic diagram of the support plate in the present invention;

[0028] In the figure:

[0029] 1. Bottom plate;

[0030] 2. Extraction assembly; 21. Box body; 22. Mounting plate; 24. Limiting plate; 25. Test tube; 26. Sealing strip; 27. Sealing cover; 28. Extraction tube; 29. ​​Limiting ring; 210. Base; 211. Mounting bracket; 212. Mounting frame; 213. Fan; 214. Placement slot; 215. Protective cover; 216. Heating plate; 217. Limiting block; 218. Two-way threaded bolt; 219. Mounting slot; 220. Rubber ball; 221. Extraction nozzle; 222. Sealing ring;

[0031] 3. Reinforcement assembly; 31. Block; 32. Guide plate; 33. Buckle; 34. Single-end card; 35. Double-end card; 36. Screw; 37. Card slot 1; 38. Card slot 2; 39. Guide slot;

[0032] 4. Moving assembly; 41. Support plate; 42. Vertical plate; 43. Load-bearing plate; 44. Servo motor; 45. Screw rod; 46. Slide plate; 47. Connecting plate; 48. Guide rod. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0034] Example 1

[0035] like Figure 1 As shown;

[0036] An automated solid phase extraction device for meat food detection comprises a bottom plate 1.

[0037] In this embodiment: because the existing solid phase extraction equipment needs manual extraction during the experiment, multiple sets of extraction tubes increase the difficulty of operation for operators, increase human errors, and reduce the accuracy of the extraction results. At the same time, the existing extraction body has poor sealing performance, which causes contamination to the solution in the body after long-term use, affecting the extraction effect. In addition, during the extraction process, different foods require different extraction environments and temperatures, and the existing extraction equipment cannot adjust the temperature of the extraction environment. In order to solve this technical problem, an extraction component 2, a reinforcement component 3 and a moving component 4 are added on this basis.

[0038] More specifically:

[0039] like Figures 1 to 8 As shown:

[0040] In combination with the above content: it also includes an extraction component 2 arranged on the surface of the bottom plate 1;

[0041] The extraction assembly 2 includes a box body 21 arranged on the surface of the base plate 1, and mounting plates 22 are fixedly connected to both sides of the box body 21. The mounting plates 22 are installed on the surface of the base plate 1 by bolts. A limiting plate 24 is fixedly connected to the inner side of the box body 21, and a test tube 25 is slidably connected to the surface of the limiting plate 24. A sealing strip 26 is fixedly connected to the opening of the box body 21. A sealing cover 27 is arranged above the box body 21, and an extraction tube 28 is slidably connected to the surface of the sealing cover 27, and a limiting ring 29 is fixedly connected to the surface of the extraction tube 28.

[0042] In this embodiment: since a box body 21 is provided on the surface of the bottom plate 1, the staff can install the box body 21 on the surface of the bottom plate 1 through the installation plate 22, and then put the test tube 25 into the box body 21 through the limiting plate 24, and the extraction tube 28 is installed on the surface of the sealing cover 27 through the limiting ring 29, and the sealing cover 27 covers the opening of the box body 21 and is sealed by the sealing strip 26. This design can prevent the extraction environment from being contaminated, making the extraction result more accurate.

[0043] Going further:

[0044] In an optional embodiment, a rubber ball 220 is disposed at the upper end of the extraction tube 28 , an extraction nozzle 221 is installed on the extraction tube 28 , and a sealing ring 222 is fixedly connected to the connection between the extraction tube 28 and the extraction nozzle 221 .

[0045] In this embodiment: because the surface of the extraction tube 28 is installed with a rubber ball 220 and an extraction nozzle 221, the staff can extract the sample by squeezing the rubber ball 220 and through the extraction nozzle 221, and it is sealed by the sealing ring 222. This design can further facilitate the staff to extract the sample.

[0046] Going further:

[0047] In an optional embodiment, a base 210 is provided at the inner bottom of the box body 21, and a groove matching the test tube 25 is opened on the surface of the base 210. The test tube 25 is slidably connected to the base 210 through the groove. Two mounting brackets 211 are installed on the two side surfaces of the box body 21, and a mounting frame 212 is fixedly connected between every two mounting brackets 211, and a fan 213 is installed in the mounting frame 212.

[0048] In this embodiment: since the surface of the box body 21 is installed with a fan 213 through the mounting bracket 211 and the mounting frame 212, this design can be used to cool the surface of the box body 21 through the fan 213. This design can provide a more suitable reaction environment for the extraction reaction.

[0049] Going further:

[0050] In an optional embodiment, a placement groove 214 is opened on the inner side of the mounting frame 212 , a battery is installed inside the placement groove 214 , and the battery is electrically connected to the fan 213 , and a protective cover 215 is installed at the opening of the placement groove 214 .

[0051] In this embodiment, a battery is disposed in the placement slot 214 , and the battery is electrically connected to the fan 213 , and a protective cover 215 is provided. This design can further facilitate the staff to use the fan 213 .

[0052] Going further:

[0053] In an optional embodiment, a mounting groove 219 is provided on the surface of the box body 21, and a heating plate 216 is arranged on the inner side of the mounting groove 219. Limiting blocks 217 are fixedly connected on both sides of the heating plate 216, and the mounting groove 219 is adapted to the heating plate 216 and the limiting blocks 217. The heating plate 216 and the limiting blocks 217 are slidingly connected to the box body 21 through the mounting groove 219, and the limiting blocks 217 are connected to the box body 21 through a bidirectional threaded bolt 218.

[0054] In this embodiment: since a heating plate 216 is provided on the surface of the box body 21 through a mounting groove 219, and the heating plate 216 is connected to the box body 21 through the cooperation of a limit block 217 and a bidirectional threaded bolt 218, this design further improves the effect of the extraction device on regulating the temperature environment.

[0055] Going further:

[0056] In an optional embodiment, it further includes a reinforcement component 3 disposed on the surface of the sealing cover 27;

[0057] The reinforcement component 3 includes a block 31 fixedly connected to the surface of the box body 21, and a buckle 33 matched with the block 31 is fixedly connected to the surface of the sealing cover 27, a guide plate 32 is fixedly connected to the surface of the box body 21, and a guide groove 39 matched with the guide plate 32 is opened on the surface of the sealing cover 27, and the guide plate 32 is slidably connected to the sealing cover 27 through the guide groove 39.

[0058] In this embodiment, the box body 21 is more tightly connected to the sealing cover 27 through the cooperation of the block 31 and the buckle 33, and the guide plate 32 can slide with the sealing cover 27 through the guide groove 39. This design can further provide better sealing for the extraction reaction.

[0059] Going further:

[0060] In an optional embodiment, two first clamping grooves 37 are formed on the surface of each limiting ring 29 , and a second clamping groove 38 corresponding to the first clamping groove 37 is formed on the surface of the sealing cover 27 .

[0061] In this embodiment, since the first card slot 37 and the second card slot 38 are provided, and since the first card slot 37 and the second card slot 38 correspond one to one, this design can further complete the extraction reaction.

[0062] Going further:

[0063] In an optional embodiment, a double-headed clamping plate 35 is provided on one side adjacent to each two limiting rings 29, and a single-headed clamping plate 34 is provided on the side away from each other of the two outermost limiting rings 29, and the double-headed clamping plate 35 and the single-headed clamping plate 34 are both connected to the sealing cover 27 by screws 36, and the double-headed clamping plate 35 and the single-headed clamping plate 34 are slidably connected to the corresponding limiting rings 29 and the sealing cover 27 by means of a clamping groove 1 37 and a clamping groove 2 38.

[0064] In this embodiment: since the surface of the limiting ring 29 is provided with a double-headed clamping plate 35 and a single-headed clamping plate 34, and the double-headed clamping plate 35 and the single-headed clamping plate 34 are connected to the sealing cover 27 by screws 36, this design can further improve the sealing performance of the extraction reaction process.

[0065] Going further:

[0066] In an optional embodiment, it further includes a moving component 4 disposed on the surface of the base plate 1;

[0067] The moving assembly 4 includes a support plate 41 fixedly connected to the surface of the base plate 1, a vertical plate 42 is fixedly connected to the side of the support plate 41 away from the base plate 1, an end of the vertical plate 42 away from the support plate 41 is fixedly connected to a bearing plate 43, a servo motor 44 is installed on the side of the bearing plate 43 away from the support plate 41, a screw rod 45 is rotatably connected between the bearing plate 43 and the support plate 41, the output shaft of the servo motor 44 passes through the bearing plate 43 and is fixedly connected to the screw rod 45, a slide plate 46 is threadedly connected to the surface of the screw rod 45, a connecting plate 47 is fixedly connected to the surface of the slide plate 46, and an end of the connecting plate 47 away from the slide plate 46 is fixedly connected to the surface of the sealing cover 27.

[0068] In this embodiment: since a support plate 41 is provided, the staff can start the servo motor 44, and the output shaft of the servo motor 44 rotates to drive the screw rod 45 to rotate, and the rotation of the screw rod 45 causes the slide plate 46 to move up and down. Since the slide plate 46 is connected to the sealing cover 27 through the connecting plate 47, the sealing cover 27 can move up and down. This design can improve the accuracy of the reaction process.

[0069] Going further:

[0070] In an optional embodiment, two guide rods 48 are fixedly connected between the bearing plate 43 and the support plate 41 , and the two guide rods 48 are respectively disposed on both sides of the screw rod 45 and are slidably connected to the slide plate 46 .

[0071] In this embodiment, since the guide rod 48 is slidably connected to the slide plate 46, this design can further improve the accuracy of the extraction reaction.

[0072] Working principle: Since the surface of the bottom plate 1 is provided with a box body 21, the staff can install the box body 21 on the surface of the bottom plate 1 through the mounting plate 22, and then put the test tube 25 into the box body 21 through the limiting plate 24, and the extraction tube 28 is installed on the surface of the sealing cover 27 through the limiting ring 29, and the sealing cover 27 covers the opening of the box body 21 and is sealed by the sealing strip 26. This design can prevent the extraction environment from being polluted, making the extraction result more accurate. Since the surface of the extraction tube 28 is provided with a rubber ball 220 and an extraction nozzle 221, the staff can squeeze the rubber ball 220 and extract the sample through the extraction nozzle 221, and through the sealing ring 222 is sealed. With this design, it is further convenient for the staff to extract the sample. Because the surface of the box body 21 is installed with a fan 213 through the mounting bracket 211 and the mounting frame 212, with this design, the surface of the box body 21 can be cooled by the fan 213. With this design, a more suitable reaction environment can be provided for the extraction reaction. Because a battery is arranged in the placement groove 214, and the battery is electrically connected to the fan 213, and a protective cover 215 is provided, with this design, it is further convenient for the staff to use the fan 213. Because the surface of the box body 21 is provided with a heating plate 216 through the mounting groove 219, and the heating plate 216 The box body 21 is connected to the box body 21 through the cooperation of the limit block 217 and the two-way threaded bolt 218. With this design, the effect of the extraction equipment on temperature environment regulation is further improved, because the box body 21 is more tightly connected to the sealing cover 27 through the cooperation of the clamping block 31 and the buckle 33, and the guide plate 32 can slide with the sealing cover 27 through the guide groove 39. With this design, better sealing can be provided for the extraction reaction. Since the clamping groove 1 37 and the clamping groove 2 38 are provided, and the clamping groove 1 37 and the clamping groove 2 38 correspond to each other one by one, with this design, the extraction reaction can be further completed. Since the surface of the limit ring 29 is provided with a double-head clamping plate 35 and a single-head clamping plate 34, and the double-headed card plate 35 and the single-headed card plate 34 are connected to the sealing cover 27 by screws 36. With this design, the sealing performance of the extraction reaction process can be further improved. Because the support plate 41 is provided, the staff can start the servo motor 44, and the output shaft of the servo motor 44 rotates to drive the screw rod 45 to rotate. The rotation of the screw rod 45 causes the slide plate 46 to move up and down. Because the slide plate 46 is connected to the sealing cover 27 by the connecting plate 47, the sealing cover 27 moves up and down. With this design, the accuracy of the reaction process can be improved. Because the guide rod 48 is slidably connected to the slide plate 46, with this design, the accuracy of the extraction reaction can be further improved.

[0073] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automated solid phase extraction device for meat food testing, comprising a bottom plate (1), characterized in that: It also includes an extraction component (2) arranged on the surface of the bottom plate (1); The extraction assembly (2) comprises a box body (21) arranged on the surface of the base plate (1), the two sides of the box body (21) are fixedly connected with mounting plates (22), the mounting plates (22) are mounted on the surface of the base plate (1) by means of bolts, the inner side of the box body (21) is fixedly connected with a limit plate (24), the surface of the limit plate (24) is slidably connected with a test tube (25), the opening of the box body (21) is fixedly connected with a sealing strip (26), a sealing cover (27) is arranged above the box body (21), the surface of the sealing cover (27) is slidably connected with an extraction tube (28), and the surface of the extraction tube (28) is fixedly connected with a limit ring (29).

2. The automated solid phase extraction device for meat food testing according to claim 1, characterized in that: A rubber ball (220) is provided at the upper end of the extraction tube (28), an extraction nozzle (221) is installed on the extraction tube (28), and a sealing ring (222) is fixedly connected at the connection between the extraction tube (28) and the extraction nozzle (221).

3. The automated solid phase extraction device for meat food detection according to claim 2, characterized in that: A base (210) is provided at the inner bottom of the box body (21), and a groove matching the test tube (25) is provided on the surface of the base (210), and the test tube (25) is slidably connected to the base (210) through the groove. Two mounting brackets (211) are installed on both side surfaces of the box body (21), and a mounting frame (212) is fixedly connected between each two mounting brackets (211), and a fan (213) is installed in the mounting frame (212).

4. The automated solid phase extraction device for meat food detection according to claim 3, characterized in that: A placement groove (214) is provided on the inner side of the installation frame (212), a storage battery is installed inside the placement groove (214), and the storage battery is electrically connected to the fan (213), and a protective cover (215) is installed at the opening of the placement groove (214).

5. The automated solid phase extraction device for meat food detection according to claim 4, characterized in that: The surface of the box body (21) is provided with a mounting groove (219), a heating plate (216) is arranged inside the mounting groove (219), and limit blocks (217) are fixedly connected to both sides of the heating plate (216), and the mounting groove (219) is adapted to the heating plate (216) and the limit blocks (217), the heating plate (216) and the limit blocks (217) are slidably connected to the box body (21) via the mounting groove (219), and the limit blocks (217) are connected to the box body (21) via a bidirectional threaded bolt (218).

6. The automated solid phase extraction device for meat food testing according to claim 1, characterized in that: It also includes a reinforcement component (3) arranged on the surface of the sealing cover (27); The reinforcing assembly (3) comprises a clamping block (31) fixedly connected to the surface of the box body (21), and a clamping buckle (33) matched with the clamping block (31) is fixedly connected to the surface of the sealing cover (27), a guide plate (32) is fixedly connected to the surface of the box body (21), and a guide groove (39) matched with the guide plate (32) is formed on the surface of the sealing cover (27), and the guide plate (32) is slidably connected to the sealing cover (27) through the guide groove (39).

7. The automated solid phase extraction device for meat food testing according to claim 6, characterized in that: The surface of each of the limiting rings (29) is provided with two first clamping grooves (37), and the surface of the sealing cover (27) is provided with second clamping grooves (38) corresponding to the first clamping grooves (37).

8. The automated solid phase extraction device for meat food testing according to claim 7, characterized in that: A double-headed card plate (35) is provided on one side adjacent to each two of the limiting rings (29), and a single-headed card plate (34) is provided on one side of the two outermost limiting rings (29) away from each other, the double-headed card plate (35) and the single-headed card plate (34) are connected to the sealing cover (27) through screws (36), and the double-headed card plate (35) and the single-headed card plate (34) are slidably connected to the corresponding limiting ring (29) and the sealing cover (27) through the first card slot (37) and the second card slot (38).

9. The automated solid phase extraction device for meat food testing according to claim 1, characterized in that: It also includes a moving component (4) arranged on the surface of the base plate (1); The moving assembly (4) comprises a support plate (41) fixedly connected to the surface of the base plate (1); a vertical plate (42) is fixedly connected to the side of the support plate (41) away from the base plate (1); an end of the vertical plate (42) away from the support plate (41) is fixedly connected to a bearing plate (43); a servo motor (44) is installed on the side of the bearing plate (43) away from the support plate (41); a screw rod (45) is rotatably connected between the bearing plate (43) and the support plate (41); an output shaft of the servo motor (44) passes through the bearing plate (43) and is fixedly connected to the screw rod (45); a slide plate (46) is threadedly connected to the surface of the slide plate (46); a connecting plate (47) is fixedly connected to the surface of the sealing cover (27); an end of the connecting plate (47) away from the slide plate (46) is fixedly connected to the surface of the sealing cover (27).

10. The automated solid phase extraction device for meat food testing according to claim 9, characterized in that: Two guide rods (48) are fixedly connected between the bearing plate (43) and the support plate (41), and the two guide rods (48) are respectively arranged on both sides of the screw rod (45) and are slidably connected to the slide plate (46).

Images