Automatic cover removing device for raw soil sample box and use method thereof

Abstract

The present invention discloses an automatic cover removal device for a raw soil sample box and a method for using the device, comprising a clamping assembly, a transport guide rail (6), an automatic cover removal assembly and a control assembly, wherein the clamping assembly clamps the sample box (14), the upper end surface of the transport guide rail (6) is provided with a toothed track, the lower end surface of the clamping assembly is fixed with a gear motor (7), the gear motor (7) cooperates with the toothed track, there are two automatic cover removal assemblies, wherein the two automatic cover removal assemblies are respectively fixed on both sides of the transport guide rail (6), and the center connection line of the two automatic cover removal assemblies is parallel to the radial line of the transport guide rail (6), and the distances between the two automatic cover removal assemblies and the transport guide rail (6) are the same, and the clamping assembly, the automatic cover removal assembly and the gear motor (2) are respectively electrically connected to the control assembly.

Description

Technical Field

[0001] The invention belongs to the technical field of geological exploration and sampling equipment, and particularly relates to an automatic cover removing device for an original soil sample box and a use method thereof. Background Art

[0002] In the process of geotechnical engineering investigation, geotechnical experiment is the most effective testing method. The accuracy of the test results has an important impact on the safety and quality of the entire project. The quality of the test samples is the key factor of the geotechnical test results. The original process of geotechnical test is on-site sampling, laboratory sample preparation (making test samples), and laboratory testing. Sample preparation is to open the package after the soil sample is transported to the laboratory, take out the soil sample, and process the soil sample according to the specified shape to make it meet the further requirements of the post-test. The original state and authenticity of the soil sample must be ensured during the sample preparation process. At present, the alignment, clamping, opening, cutting, and transportation stages of the sample preparation process are all manual operations, and there is no assembly line, and the sample preparation efficiency is low. Among them, the sample opening is the key and the basis of the sample preparation process. Therefore, it is necessary to develop an automatic lid removal device for the original soil sample box. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art and to provide an automatic cover removing device for a raw soil sample box and a method for using the device, thereby overcoming the problems existing in the prior art.

[0004] In order to solve the technical problem, the technical solution of the present invention is: an automatic lid removing device for a raw soil sample box, comprising a clamping assembly, a transport rail, an automatic lid removing assembly and a control assembly, the clamping assembly clamps the sample box, the upper end surface of the transport rail is provided with a toothed track, the lower end surface of the clamping assembly is fixed with a gear motor, the gear motor cooperates with the toothed track, there are two automatic lid removing assemblies, wherein the two automatic lid removing assemblies are respectively fixed on both sides of the transport rail, and the center connecting line of the two automatic lid removing assemblies is perpendicular to the radial line of the transport rail, the distances between the two automatic lid removing assemblies and the transport rail are the same, and the clamping assembly, the automatic lid removing assembly and the gear motor are respectively electrically connected to the control assembly.

[0005] Preferably, the automatic lid removing assembly includes a push rod motor, a push rod, a multi-claw rotary chuck, a rotary motor and a fixed seat, the push rod motor is fixed on the fixed seat, the output end of the push rod motor is connected to the push rod, the other end of the push rod is connected to the rotary motor through a bearing, the rotary motor is connected to the multi-claw rotary chuck, the centers of the push rod motor, the push rod, the rotary motor and the multi-claw rotary chuck are on the same straight line, and the centers of the multi-claw rotary chucks of the two automatic lid removing assemblies are on the same straight line, the center lines of the push rods of the two automatic lid removing assemblies are perpendicular to the transport guide rail, and the push rod motor and the rotary motor are electrically connected to the control assembly respectively.

[0006] Preferably, the push rod motor is connected to the push rod via a gear converter, wherein a thread is provided on an outer wall of one end of the push rod close to the push rod motor.

[0007] Preferably, the multi-jaw rotary chuck is composed of four cutting blades, which are arranged in a cross shape and have their ends welded together, and the output end of the rotary motor is connected to the center position of the multi-jaw rotary chuck.

[0008] Preferably, the angle between the plane where the cutting blade surface is located and the plane where the end surface of the sample preparation box is located is 30°~60°.

[0009] Preferably, a first position sensor is provided at the center position of the lower end surface of the clamping assembly, and a second position sensor is provided on the transport rail connecting the centers of the two automatic cover removal assemblies. The first position sensor and the second position sensor are electrically connected to the control assembly respectively.

[0010] Preferably, the clamping assembly includes a base, an upper chuck, a clamping push rod and a push rod gear motor, the lower end of the clamping push rod is fixed to one side of the upper end surface of the base, one end of the upper chuck is provided with a mounting hole, wherein a push rod gear motor is fixed to one side of the mounting hole, the upper end of the clamping push rod passes through the mounting hole, wherein a toothed track is provided on the side of the clamping push rod close to the push rod gear motor, the push rod gear motor cooperates with the toothed track, and the push rod gear motor is electrically connected to the control assembly.

[0011] Preferably, the lower end of the base is a rectangular structure, and a U-shaped groove is provided in the middle position of the upper end of the base, wherein the U-shaped groove cooperates with the outer wall of the sample preparation box; the upper end of the upper chuck is a rectangular structure, and a U-shaped groove is provided in the middle position of the lower end of the upper chuck, wherein the U-shaped groove cooperates with the outer wall of the sample preparation box.

[0012] Preferably, the control component is a PLC control unit.

[0013] A method for using the automatic cover removing device for a raw soil sample box as described in any one of the above items comprises the following steps:

[0014] Step 1: The control component controls the clamping component to clamp the sample box, and then the control component controls the gear motor to start, and the clamping component moves along the toothed track of the transport guide rail to the fixed position of the automatic cover removal component under the drive of the gear motor;

[0015] Step 2: When the clamping assembly reaches the fixed position of the automatic cover removal assembly, it stops, so that the centers of the two automatic cover removal assemblies and the axial center of the sample preparation box are in the same straight line;

[0016] Step 3: The control component controls the automatic cover removal component to move toward the two end surfaces of the sample preparation box, cuts the sealing tape of the plastic cover of the end surface of the sample preparation box, and simultaneously rotates the cut plastic cover to open it;

[0017] Step 4: The control component controls the automatic cover removal component to move in a direction away from the sample preparation box, and takes out the plastic cover on the end surface of the sample preparation box.

[0018] Compared with the prior art, the advantages of the present invention are:

[0019] (1) The present invention provides a device and method for automatically controlling the automatic cutting and removal of the plastic cover on the end face of the raw soil sample box, thereby reducing manual intervention, realizing the automation of the raw soil sample preparation process, and laying a good foundation for subsequent operations. Compared with manual sample preparation, the efficiency is increased by 100%, the labor intensity of the experimenters and the environmental pollution are reduced, and the production efficiency is greatly improved;

[0020] (2) A first position sensor is provided at the center position of the lower end surface of the base of the clamping assembly of the present invention, and a second position sensor is provided on the transport rail connected by the center line of the two automatic cover removal assemblies. When the first position sensor at the lower end of the base moves to the second position sensor of the transport rail, it is triggered and the gear motor stops. In this way, the sample preparation box can be automatically moved to the center position of the two automatic cover removal assemblies, and the alignment accuracy is high;

[0021] (3) The clamping assembly of the present invention comprises a base, an upper clamping head, a clamping push rod and a push rod gear motor. The push rod gear motor drives the upper clamping head to move up and down along the toothed track on the clamping push rod, thereby clamping or releasing the sample box, and realizing automatic clamping of the sample box. The base and the upper clamping head are both provided with a U-shaped groove on the opposite side, and the U-shaped groove cooperates with the outer wall of the sample box to realize the placement and fixation of the sample box. The lower end of the base is provided with a gear motor, and the upper end surface of the transport guide rail is provided with a toothed track. The gear motor cooperates with the toothed track, and the gear motor can drive the base to the fixing position of the automatic cover removal assembly.

[0022] (4) The present invention provides automatic cover removal assemblies on both sides of the transport guide rail, and the distances between the two automatic cover removal assemblies and the transport guide rail are the same. The push rod motor pushes the multi-claw rotary chuck to the end face of the sample preparation box, and the rotary motor drives the multi-claw rotary chuck to rotate. The cutting blade on the multi-claw rotary chuck rotates to cut the sealing tape of the plastic cover on the end face of the sample preparation box and simultaneously rotates and cuts the plastic cover to open it, thereby realizing automatic cutting and removal of the plastic cover on the end face of the sample preparation box, which is convenient and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 , a schematic structural diagram of an automatic cover removing device for a raw soil sample box of the present invention;

[0024] Figure 2 , a schematic diagram of the structure of the clamping assembly of the automatic cover removing device of the raw soil sample box of the present invention.

[0025] Description of reference numerals:

[0026] 1. Push rod motor, 2. Push rod, 3. Multi-claw rotary chuck, 4. Rotary motor, 5. Fixed seat, 6. Transport guide rail, 7. Gear motor, 8. Base, 9. Upper chuck, 10. Clamping push rod, 11. Push rod gear motor, 12. First position sensor, 13. Second position sensor, 14. Sample preparation box;

[0027] 3-1. Cutting blade. DETAILED DESCRIPTION

[0028] The specific implementation mode of the present invention is described below in conjunction with embodiments:

[0029] It should be noted that the structures, proportions, sizes, etc. shown in this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them, and are not used to limit the conditions under which the present invention can be implemented. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0030] At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present invention. Changes or adjustments to their relative relationships should be regarded as the scope of implementation of the present invention without substantially changing the technical content.

[0031] Example 1

[0032] like Figure 1 As shown, the present invention discloses an automatic lid removing device for a raw soil sample box, comprising a clamping assembly, a transport guide rail 6, an automatic lid removing assembly and a control assembly, wherein the clamping assembly clamps the sample box 14, a toothed track is provided on the upper end surface of the transport guide rail 6, a gear motor 7 is fixed on the lower end surface of the clamping assembly, the gear motor 7 cooperates with the toothed track, there are two automatic lid removing assemblies, wherein the two automatic lid removing assemblies are respectively fixed on both sides of the transport guide rail 6, and the center connecting line of the two automatic lid removing assemblies is perpendicular to the radial line of the transport guide rail 6, the distances between the two automatic lid removing assemblies and the transport guide rail 6 are the same, and the clamping assembly, the automatic lid removing assembly and the gear motor 7 are respectively electrically connected to the control assembly.

[0033] The toothed track of the transport guide rail 6 is arranged along the length direction of the transport guide rail 6 .

[0034] Example 2

[0035] like Figure 1As shown, preferably, the automatic lid removing assembly includes a push rod motor 1, a push rod 2, a multi-claw rotary chuck 3, a rotary motor 4 and a fixed seat 5, the push rod motor 1 is fixed on the fixed seat 5, the output end of the push rod motor 1 is connected to the push rod 2, the other end of the push rod 2 is connected to the rotary motor 4 through a bearing, the rotary motor 4 is connected to the multi-claw rotary chuck 3, the centers of the push rod motor 1, the push rod 2, the rotary motor 4 and the multi-claw rotary chuck 3 are on the same straight line, and the centers of the multi-claw rotary chucks 3 of the two automatic lid removing assemblies are on the same straight line, the center lines of the push rods 2 of the two automatic lid removing assemblies are perpendicular to the transport guide rail 6, and the push rod motor 1 and the rotary motor 4 are electrically connected to the control assembly respectively.

[0036] Preferably, the push rod motor 1 is connected to the push rod 2 via a gear converter, wherein the outer wall of the push rod 2 at one end close to the push rod motor 1 is provided with a thread.

[0037] like Figure 1 As shown, preferably, the multi-jaw rotary chuck 3 is composed of four cutting blades 3 - 1 , which are arranged in a cross shape and have their ends welded together, and the output end of the rotary motor 4 is connected to the center position of the multi-jaw rotary chuck 3 .

[0038] Preferably, the angle between the plane where the blade surface of the cutting blade 3 - 1 is located and the plane where the end surface of the sample preparation box 14 is located is 30° to 60°.

[0039] Preferably, a push rod position sensor is provided on the multi-jaw rotary chuck 3 , and the push rod position sensor is electrically connected to the control component, and can detect the distance between the multi-jaw rotary chuck 3 and the end surface of the sample preparation box 14 .

[0040] Example 3

[0041] like Figure 1 As shown, preferably, a first position sensor 12 is provided at the center position of the lower end surface of the clamping assembly, and a second position sensor 13 is provided on the transport rail 6 connecting the centers of the two automatic cover removal assemblies, and the first position sensor 12 and the second position sensor 13 are electrically connected to the control assembly respectively.

[0042] Example 4

[0043] like Figure 2 As shown, preferably, the clamping assembly includes a base 8, an upper chuck 9, a clamping push rod 10 and a push rod gear motor 11, the lower end of the clamping push rod 10 is fixed to one side of the upper end surface of the base 8, one end of the upper chuck 9 is provided with a mounting hole, wherein the push rod gear motor 11 is fixed to one side of the mounting hole, the upper end of the clamping push rod 10 passes through the mounting hole, wherein a toothed track is provided on the side of the clamping push rod 10 close to the push rod gear motor 11, the push rod gear motor 11 cooperates with the toothed track, and the push rod gear motor 11 is electrically connected to the control assembly.

[0044] like Figure 2 As shown, preferably, the lower end of the base 8 is a rectangular structure, and a U-shaped groove is provided at the middle position of the upper end of the base 8, wherein the U-shaped groove cooperates with the outer wall of the sample preparation box 14; the upper end of the upper chuck 9 is a rectangular structure, and a U-shaped groove is provided at the middle position of the lower end of the upper chuck 9, wherein the U-shaped groove cooperates with the outer wall of the sample preparation box 14.

[0045] Preferably, the control component is a PLC control unit.

[0046] A gear motor 7 is fixed to the lower end surface of the base 8 , wherein the number of gear motors 7 can be multiple.

[0047] The toothed track on the side of the clamping push rod 10 is arranged along the height direction of the clamping push rod 10 .

[0048] A first position sensor 12 is disposed at the lower end of the center of the U-shaped groove.

[0049] Example 5

[0050] Preferably, a method for using the automatic cover removing device for the raw soil sample box as described in any one of the above items comprises the following steps:

[0051] Step 1: The control component controls the clamping component to clamp the sample preparation box 14, and then the control component controls the gear motor 7 to start, and the clamping component is driven by the gear motor 7 to move along the toothed track of the transport guide rail 6 to the fixed position of the automatic cover removal component;

[0052] Step 2: When the clamping assembly reaches the fixed position of the automatic cover removal assembly, it stops so that the centers of the two automatic cover removal assemblies are in the same straight line with the axial center of the sample preparation box 14;

[0053] Step 3: The control component controls the automatic cover removal component to move toward the two end surfaces of the sample preparation box 14, cuts the sealing tape of the plastic cover of the end surface of the sample preparation box 14, and simultaneously rotates the cut plastic cover to open it;

[0054] Step 4: The control component controls the automatic cover removal component to move in a direction away from the sample preparation box 14 to take out the plastic cover on the end surface of the sample preparation box 14 .

[0055] The working principle of the present invention is as follows:

[0056] The present invention discloses a device for automatically removing the cover of an original soil sample (hereinafter referred to as original soil), which realizes the cutting and removal of the plastic cover of the end surface of the sample box 14 during the original soil sample preparation process. The automatic cover removal component is respectively arranged with a push rod motor 1, a push rod 2 and a multi-claw rotating chuck 3 on both sides of a transport guide rail 6. The push rod 2 and the multi-claw rotating chuck 3 are on the same center line as the sample box 14 in the clamping component and are perpendicular to the transport guide rail 6; the multi-claw rotating chuck 3 is driven by a rotary motor to rotate forward and backward, and the clamping device realizes the sample box 14. After clamping and fixing, the multi-claw rotary chuck 3 is moved and positioned in the middle position of the axis of the left-right symmetrical multi-claw rotary chuck 3 of the automatic cover removal assembly by moving forward and backward along the transport guide rail 6. The multi-claw rotary chuck 3 is driven by the push rod motor 1 to move forward to the plastic cover of the end face of the sample preparation box 14 horizontally fixed by the clamping device, so that the multi-claw rotary chuck 3 clamps the plastic cover. The left and right multi-claw rotary chucks 3 are rotated by the rotating motor 4 to achieve the cutting and opening of the sealing tape of the end face plastic cover. The multi-claw rotary chuck 3 is driven by the push rod motor 1 to move backward to take out the plastic cover.

[0057] The method of use of the present invention is as follows:

[0058] Step 1: The control component controls the push rod gear motor 11 to start, so that the upper clamp 9 moves downward to clamp the sample box 14, and then the control component controls the gear motor 7 to start, and the clamping component moves along the toothed track of the transport guide rail 6 to the fixed position of the automatic cover removal component under the drive of the gear motor 7;

[0059] Step 2: When the first position sensor 12 and the second position sensor 13 at the lower end of the base 8 are triggered, the control component controls the gear motor 7 to stop, so that the centers of the two automatic cover removal components and the axial center of the sample preparation box 14 are in the same straight line;

[0060] Step 3: The control component controls the push rod motor 1 to start, and the push rod motor 1 rotates forward to drive the multi-claw rotary chuck 3 to move toward the two ends of the sample preparation box 14 according to a preset distance. When the multi-claw rotary chuck 3 moves to the plastic covers at the two ends of the sample preparation box 14, the rotary motor 4 is started, and the rotary motor 4 drives the multi-claw rotary chuck 3 to rotate, cut the sealing tape of the plastic cover of the end surface of the sample preparation box 14, and simultaneously rotate the cut plastic cover to open it;

[0061] Step 4: The control component controls the push rod motor 1 to reverse and move in a direction away from the sample preparation box 14 to bring out the plastic cover on the end surface of the sample preparation box 14 .

[0062] The control logic of the present invention is as follows:

[0063] 1. The PLC control unit controls the gear motor 7 to rotate forward, driving the base 8 to move forward, and controls the gear motor 2 to rotate or stop according to whether the second position sensor 13 at the center of the automatic cover removal assembly and the first position sensor 12 of the base 1 are triggered.

[0064] 2. The PLC control unit controls the push rod motor 1 to rotate forward, driving the multi-claw rotary chuck 3 to move toward the sample preparation box 14, and the push rod motor 1 rotates or stops according to the control of the push rod position sensor.

[0065] 3. The PLC control unit controls the rotary motor 5 to rotate forward to cut the sealing tape of the plastic cover on the end surface of the sample box 14 and rotate the plastic cover.

[0066] 4. The PLC control unit controls the push rod motor 1 to reverse, driving the multi-claw rotary chuck 3 to move away from the sample preparation box 14 and bring out the plastic cover.

[0067] 4. After the automatic cover opening is completed, the PCL control unit controls the gear motor 7 to rotate forward, driving the base 1 to move forward to the next workbench.

[0068] The present invention provides a device and method for realizing automatic control of the automatic cutting and removal of the plastic cover on the end face of the raw soil sample box, thereby reducing manual intervention, realizing the automation of the raw soil sample preparation process, and laying a good foundation for subsequent operations. Compared with manual sample preparation, the efficiency is increased by 100%, the labor intensity of experimenters and environmental pollution are reduced, and the production efficiency is greatly improved.

[0069] A first position sensor is arranged at the center position of the lower end surface of the base of the clamping assembly of the present invention, and a second position sensor is arranged on the transport rail connected by the center line of the two automatic cover removal assemblies. When the first position sensor at the lower end of the base moves to the second position sensor of the transport rail, it is triggered and the gear motor stops. In this way, the sample preparation box can be automatically moved to the center position of the two automatic cover removal assemblies with high alignment accuracy.

[0070] The clamping assembly of the present invention comprises a base, an upper clamping head, a clamping push rod and a push rod gear motor. The push rod gear motor drives the upper clamping head to move up and down along a toothed track on the clamping push rod, thereby clamping or releasing a sample preparation box, and realizing automatic clamping of the sample preparation box. The base and the upper clamping head are both provided with U-shaped grooves on opposite sides, and the U-shaped grooves cooperate with the outer wall of the sample preparation box to realize the placement and fixation of the sample preparation box. A gear motor is provided at the lower end of the base, and a toothed track is provided on the upper end surface of the transport guide rail. The gear motor cooperates with the toothed track, and the gear motor can drive the base to the fixing position of the automatic cover removal assembly.

[0071] The invention provides automatic cover removal components on both sides of the transport guide rail, the distances between the two automatic cover removal components and the transport guide rail are the same, the push rod motor pushes the multi-claw rotary chuck to the end face of the sample making box, the rotary motor drives the multi-claw rotary chuck to rotate, the cutting blade on the multi-claw rotary chuck rotates to cut the sealing tape of the plastic cover on the end face of the sample making box and simultaneously rotates and cuts the plastic cover to open it, so that the plastic cover on the end face of the sample making box is automatically cut and removed, the cutting and removal is convenient and efficient.

[0072] The preferred embodiments of the present invention are described in detail, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

[0073] Many other changes and modifications may be made without departing from the concept and scope of the present invention.It should be understood that the present invention is not limited to the specific embodiments, and the scope of the present invention is defined by the appended claims.

Claims

1. An automatic cover removal device for a raw soil sample box, characterized in that: It comprises a clamping assembly, a transport rail (6), an automatic cover removal assembly and a control assembly, wherein the clamping assembly clamps the sample preparation box (14), the upper end surface of the transport rail (6) is provided with a toothed track, the lower end surface of the clamping assembly is fixed with a gear motor (7), the gear motor (7) cooperates with the toothed track, there are two automatic cover removal assemblies, wherein the two automatic cover removal assemblies are respectively fixed on both sides of the transport rail (6), and the center connection line of the two automatic cover removal assemblies is perpendicular to the radial line of the transport rail (6), and the distances between the two automatic cover removal assemblies and the transport rail (6) are the same, and the clamping assembly, the automatic cover removal assembly and the gear motor (7) are respectively electrically connected to the control assembly; The automatic cover removal assembly comprises a push rod motor (1), a push rod (2), a multi-claw rotary chuck (3), a rotary motor (4) and a fixed seat (5); the push rod motor (1) is fixed on the fixed seat (5); the output end of the push rod motor (1) is connected to the push rod (2); the other end of the push rod (2) is connected to the rotary motor (4) via a bearing; the rotary motor (4) is connected to the multi-claw rotary chuck (3); the centers of the push rod motor (1), the push rod (2), the rotary motor (4) and the multi-claw rotary chuck (3) are on the same straight line; the centers of the multi-claw rotary chucks (3) of the two automatic cover removal assemblies are on the same straight line; the center lines of the push rods (2) of the two automatic cover removal assemblies are perpendicular to the transport guide rail (6); the push rod motor (1) and the rotary motor (4) are electrically connected to the control assembly respectively; The push rod motor (1) is connected to the push rod (2) via a gear converter, wherein the outer wall of one end of the push rod (2) close to the push rod motor (1) is provided with a thread; The multi-claw rotary chuck (3) is composed of four cutting blades (3-1), the four cutting blades (3-1) are arranged in a cross shape and the ends are welded together, and the output end of the rotary motor (4) is connected to the center position of the multi-claw rotary chuck (3); The angle between the plane where the blade surface of the cutting blade (3-1) is located and the plane where the end surface of the sample preparation box (14) is located is 30° to 60°.

2. The automatic cover removing device for raw soil sample box according to claim 1 is characterized in that: A first position sensor (12) is provided at the center of the lower end surface of the clamping assembly, and a second position sensor (13) is provided on the transport guide rail (6) connecting the centers of the two automatic cover removal assemblies. The first position sensor (12) and the second position sensor (13) are respectively electrically connected to the control assembly.

3. The automatic cover removing device for raw soil sample box according to claim 1 is characterized in that: The clamping assembly comprises a base (8), an upper clamp (9), a clamping push rod (10) and a push rod gear motor (11); the lower end of the clamping push rod (10) is fixed to one side of the upper end surface of the base (8); one end of the upper clamp (9) is provided with a mounting hole, wherein the push rod gear motor (11) is fixed to one side of the mounting hole; the upper end of the clamping push rod (10) passes through the mounting hole, wherein a toothed track is provided on the side of the clamping push rod (10) close to the push rod gear motor (11); the push rod gear motor (11) cooperates with the toothed track, and the push rod gear motor (11) is electrically connected to the control assembly.

4. The automatic cover removing device for raw soil sample box according to claim 3 is characterized by: The lower end of the base (8) is a rectangular structure, and a U-shaped groove is provided at the middle position of the upper end of the base (8), wherein the U-shaped groove matches the outer wall of the sample preparation box (14); the upper end of the upper chuck (9) is a rectangular structure, and a U-shaped groove is provided at the middle position of the lower end of the upper chuck (9), wherein the U-shaped groove matches the outer wall of the sample preparation box (14).

5. The automatic cover removing device for raw soil sample box according to claim 1 is characterized in that: The control component is a PLC control unit.

6. A method for using the automatic cover removing device for the raw soil sample box according to any one of claims 1 to 5, characterized in that: The following steps are involved: Step 1: The control component controls the clamping component to clamp the sample preparation box (14), and then the control component controls the gear motor (7) to start, and the clamping component is driven by the gear motor (7) to move along the toothed track of the transport guide rail (6) to the fixed position of the automatic cover removal component; Step 2: When the clamping assembly reaches the fixed position of the automatic cover removal assembly, it stops so that the centers of the two automatic cover removal assemblies and the axial center of the sample preparation box (14) are in the same straight line; Step 3: The control component controls the automatic cover removal component to move toward the two end surfaces of the sample preparation box (14), cuts the sealing tape of the plastic cover on the end surface of the sample preparation box (14), and simultaneously rotates the cut plastic cover to open it; Step 4: The control component controls the automatic cover removal component to move in a direction away from the sample preparation box (14), and remove the plastic cover on the end surface of the sample preparation box (14).

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