Full-automatic cutter replacing device and system

Abstract

The invention discloses a full-automatic cutter replacing device and system.The full-automatic cutter replacing device comprises a sampling head, a sampling pipe, a mechanical claw, a mechanical arm, a cleaning bin, a recycling bin, a first adapter and a second adapter, separation and connection of the sampling head and the sampling pipe are achieved through the mechanical claw and the mechanical arm, and a first limiting part and a second limiting part are arranged on the first adapter and the second adapter; the first clamping jaw and the second clamping jaw are matched with the first limiting part and the second limiting part, so that automatic matching and separation between the sampling head and the sampling pipe can be stably realized for a long time, meanwhile, the stress of the mechanical arm is reduced in the matching and separation processes, and the stability of the sampling pipe is ensured; the technical scheme is adaptive to the existing sampling tube and sampling head, and in addition, the precision matching requirement when the sampling tube and the sampling head are inserted and pulled is also reduced.

Description

Technical Field

[0001] The invention relates to environmental monitoring equipment, and in particular to a fully automatic replacement device and system for a cutter. Background Art

[0002] At present, the particle cutters of the particle monitoring equipment of most environmental monitoring stations need to be replaced and cleaned regularly by humans. Due to the limitation of manual regular operation and maintenance, each replacement of the cutter requires a lot of manpower and time, and manual air tightness monitoring is required after the replacement, which affects the consistency and accuracy of environmental monitoring data. The Chinese invention patent application publication text CN117929035A discloses a fully automatic air sampling cutter replacement device, in which the sampling head and the sampling tube are separated by a mechanical claw, and the mechanical claw is driven by a mechanical arm. However, when the sampling head is pulled out, the mechanical claw needs to apply a large lifting force (such as 150N) to the sampling head to separate the sampling head from the sampling tube. If it is achieved simply by the friction between the mechanical claw and the sampling head, the large clamping force of the mechanical claw is easy to cause deformation of the sampling head, and the existing manipulator is concentrated on the mechanical arm, which has high performance requirements for the mechanical arm; in addition, since the sampling tube is not limited, the sampling tube will shake or even be pulled out together with the sampling head. Therefore, in order to achieve fully automatic replacement of the cutting head, the above technical problems need to be solved. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a fully automatic replacement device and system for a cutter, which can realize the automatic matching and separation between the sampling head and the sampling tube in a long-term and stable manner, while reducing the force on the robot arm during the matching and separation process and ensuring the stability of the sampling tube; this technical solution is suitable for existing sampling tubes and sampling heads, and also reduces the precision matching requirements when the sampling tube and the sampling head are plugged in and out.

[0004] The present invention achieves the above-mentioned purpose through the following technical solutions: a fully automatic replacement device for a cutter, which includes a sampling head and a sampling tube, wherein the sampling head and the sampling tube are sealed and connected; and also includes a mechanical claw and a mechanical arm for realizing the matching and separation of the sampling head and the sampling tube;

[0005] The mechanical claw comprises a first claw, a second claw, a driving assembly, and a mounting plate; the first claw and the second claw are mounted on the mounting plate and open and close independently, the driving assembly drives the first claw and the second claw to move relative to each other, and the mechanical arm is connected to the mounting plate;

[0006] The sampling head is provided with a first limiting part, and the sampling tube is provided with a second limiting part;

[0007] The first limiting part includes a first limiting block of the sampling head and a second limiting block of the sampling head, and the first limiting block of the sampling head and the second limiting block of the sampling head cooperate with the first clamping jaw so that the first clamping jaw is limited between the first limiting block of the sampling head and the second limiting block of the sampling head;

[0008] The second limiting part includes a second limiting block for the sampling tube, and the second limiting block for the sampling tube cooperates with the second clamping claw to limit the movement of the sampling tube toward the sampling head.

[0009] By setting the first limit part to cooperate with the first clamping claw, the first clamping claw can reduce the friction requirement by applying force to the first limit part to prevent the deformation of the sampling head caused by excessive clamping force of the mechanical claw. In the process of separation and cooperation of the sampling tube, since the first clamping claw, the second clamping claw and the mechanical arm are all connected to the mounting plate, the second clamping claw shares the force on the mechanical arm when the mechanical claw clamps the sampling head by clamping on the sampling tube, solving the problem of excessively high performance requirements of the mechanical arm for automatic replacement of the sampling head and extending the service life of the mechanical arm. At the same time, due to the limiting effect of the first limit part and the second limit part, the shaking problem of the sampling tube will also be solved, making the sampling tube more stable during the automatic separation of the sampling head.

[0010] As a further optimization solution of the present invention, the second clamp is fixed on the mounting plate, and the driving component drives the first clamp to move. The driving component drives the first clamp, and the second clamp is clamped on the second limit portion. The second clamp remains stationary, and the force on the mechanical arm is transferred to the sampling tube, thereby solving the problem that the automatic replacement of the sampling head requires too high performance of the mechanical arm.

[0011] As a further optimization scheme of the present invention, the second limiting part also includes a first limiting block for the sampling tube, and the first limiting block for the sampling tube and the second limiting block for the sampling tube cooperate with the second clamping jaw, so that the second clamping jaw is limited between the first limiting block for the sampling tube and the second limiting block for the sampling tube. By setting the first limiting block for the sampling tube, not only can the second clamping jaw be limited between the first limiting block for the sampling tube and the second limiting block for the sampling tube, but also the clamping of the second clamping jaw is facilitated, which plays a clamping guide role.

[0012] The further optimized solution also includes a first adapter and a second adapter, the first adapter is provided with a first limiter, the second adapter is provided with a second limiter; the first adapter is sealed with the sampling head; the second adapter is sealed with the sampling tube, and the first adapter is sealed with the second adapter. By providing the first adapter and the second adapter, the technical solution can be adapted to the existing sampling tube and sampling head, and also reduces the precision matching requirements when the sampling tube and the sampling head are plugged in and out.

[0013] A further optimized solution is that a first adapter is provided on the sampling head, a first step is formed between the first adapter and the inner wall of the sampling head, a first adapter portion is provided on the first adapter, the first adapter portion extends from the first limit block of the sampling head to the first adapter, and the top surface of the first adapter portion contacts the first step, and the first adapter and the first adapter portion are sealed by a sealing ring.

[0014] In a further optimized solution, the end of the first adapter extends to the end face of the first limit block of the sampling head, contacts the end face of the first limit block, and the end of the first adapter seals with the end face of the first limit block. The end of the first adapter seals with the end face of the first limit block of the sampling head, further ensuring the sealing between the sampling head and the first adapter. By providing the first step, the first adapter, and the end of the first adapter seals with the end face of the first limit block, multiple seals ensure the sealing between the sampling head and the first adapter.

[0015] In a further optimized solution, a second adapter is provided on the first adapter, a second step is formed between the second adapter and the inner wall of the first adapter, a second adapter portion is provided on the second adapter, the second adapter portion extends from the first limit block of the sampling tube to the second adapter, and the top surface of the second adapter portion contacts the second step, and the second adapter and the second adapter portion are sealed by a sealing ring. By providing the second adapter, the second step, and the second adapter portion, the sealing between the first adapter and the second adapter is ensured.

[0016] In a further optimized solution, the second adapter is in a bell-mouth shape. By setting the second adapter in a bell-mouth shape, the connection between the first adapter and the second adapter is facilitated.

[0017] In a further optimized solution, the end of the second adapter extends to the end face of the first limit block of the sampling tube, contacts the end face of the first limit block of the sampling tube, and the end of the second adapter seals with the end face of the first limit block of the sampling tube, thereby ensuring the sealing between the first adapter and the second adapter.

[0018] As a further optimization scheme, a third connection port is provided on the second adapter, a third step is formed between the third connection port and the inner wall of the second adapter, the sampling tube is inserted into the third connection port and contacts the third step, and the third connection port and the sampling tube are sealed and matched. The sealing between the second adapter and the sampling tube is ensured. As a further optimization scheme of the present invention, the sampling head and the first adapter are integrally formed, and the sampling tube and the second adapter are integrally formed. The problem of airtightness is solved by the integrally formed structure.

[0019] As a further optimization scheme of the present invention, the two opposite surfaces between the first limit block of the sampling head and the second limit block of the sampling head are inclined surfaces, and the two opposite surfaces between the first limit block of the sampling tube and the second limit block of the sampling tube are inclined surfaces, and the inclined surfaces are used to guide the mechanical claw to clamp. By setting the inclined surfaces, the clamping of the mechanical claw is facilitated, and it plays a guiding role when the mechanical claw clamps.

[0020] A fully automatic replacement system for a cutter, which also includes a clean bin and a recovery bin. The clean bin and the recovery bin are arranged within the travel range of a mechanical arm, and the clean bin and the recovery bin are provided with a placement slot for placing a sampling head.

[0021] Beneficial effects:

[0022] The fully automatic replacement device of the present invention, the mechanical claw and the mechanical arm realize the automatic separation of the sampling head and the sampling tube. By setting the first limiting part and the second limiting part matched with the mechanical claw, the mechanical claw clamps the first limiting part and the second limiting part during operation, reducing the demand for the mechanical claw when the sampling head and the sampling tube are separated or matched, and effectively preventing the shaking of the sampling tube, ensuring the stable replacement of the sampling head and the sampling tube; in addition, since the first clamp, the second clamp and the mechanical arm are all connected to the mounting plate, the second clamp clamps on the sampling tube, which will transfer the force of the mechanical arm to the sampling tube, reducing the force at the mechanical arm, and solving the problem of high performance requirements for the mechanical arm during the automatic replacement process. By setting the first adapter and the second adapter, the application range of the device is wider, suitable for existing sampling heads and sampling tubes, and reducing the accuracy requirements when the sampling tube and the sampling head are plugged in and out. By setting the first step, the second step, the first adapter, and the second adapter, the multiple sealing structures ensure the sealing of the sampling head and the sampling tube after replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of replacing the sampling head of the present invention;

[0024] Figure 2 This is a schematic diagram of the connection between the sampling head and the sampling tube of the present invention;

[0025] Figure 3 This is a schematic diagram of the mechanical claw of the present invention clamping the sampling head;

[0026] Figure 4 This is a schematic diagram of the structure of the mechanical claw of the present invention;

[0027] Figure 5 It is a schematic diagram of the structure of the first adapter of the present invention;

[0028] Figure 6 It is a schematic diagram of the structure of the second adapter of the present invention;

[0029] Figure 7This is a schematic diagram of the clean bin and the recovery bin of the fully automatic replacement device for the cutter of the present invention;

[0030] 1-sampling head, 2-sampling tube, 3-mechanical claw, 4-first limit part, 5-second limit part, 6-first adapter, 7-second adapter, 8-clean bin, 9-recovery bin, 11-first adapter, 31-first clamp, 32-second clamp, 39-mechanical arm, 41-first limit block of sampling head, 42-second limit block of sampling head, 51-first limit block of sampling tube, 52-second limit block of sampling tube, 61-second adapter, 111-first step, 611-second step, 71-second adapter, 72-third connection port, 73-third step DETAILED DESCRIPTION

[0031] The present application is further described in detail below in conjunction with the accompanying drawings. It is necessary to point out here that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technical personnel in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0032] Example 1

[0033] like Figure 1 The fully automatic replacement device for a cutter shown comprises a sampling head 1, a sampling tube 2, a mechanical claw 3, and a mechanical arm 39. The mechanical arm 39 drives the mechanical claw 3 to load or separate the sampling head 1 from the sampling tube.

[0034] like Figure 3 , Figure 4 As shown, the mechanical claw 3 includes a first clamping jaw 31, a second clamping jaw 32, a driving assembly 33, a mounting plate 34, a first opening and closing motor, and a second opening and closing motor. The mounting plate 34 is provided with a slide rail; the first clamping jaw 31 is mounted on the slide rail and driven by the driving assembly 33 to slide. The driving assembly 33 is preferably a cylinder, and in some embodiments, it can also be a motor. The first opening and closing motor is fixedly mounted on the mounting plate 34 or on the slide rail. When the first opening and closing motor is fixedly mounted on the mounting plate 34, the first clamping jaw 31 and the first opening and closing motor are connected by a flexible electrical connection to drive the first clamping jaw 31 to open and close. When the first opening and closing motor is mounted on the slide rail, it can slide up and down with the first clamping jaw 31. The second clamping jaw 32 and the second opening and closing motor are fixedly mounted on the mounting plate 34. The second opening and closing motor drives the second clamping jaw 32 to open and close. The first clamping jaw 31 and the second clamping jaw 32 open and close independently. In other embodiments, the above-mentioned first opening and closing motor and the second opening and closing motor can also be replaced by a cylinder device. The mechanical arm 39 is connected to the mounting plate 34 and is located on the other side where the first clamping jaw 31 and the second clamping jaw 32 are located.

[0035] In this embodiment, the driving component 33 drives the first jaw 31 to move, and the second jaw 32 will remain stationary after clamping. During the operation of the mechanical claw, since the second jaw 32 is connected to the sampling tube, at this time, part of the force originally applied to the mechanical arm when plugging and unplugging the sampling head will be transferred from the second jaw 32 to the sampling tube, thereby reducing the force on the mechanical arm 39.

[0036] A first limiting portion 4 is provided on the sampling head 1, and a second limiting portion 5 is provided on the sampling tube 2. The first limiting portion 4 includes a first limiting block 41 of the sampling head and a second limiting block 42 of the sampling head. The area formed between the first limiting block 41 of the sampling head and the second limiting block 42 of the sampling head is used to cooperate with the first clamping jaw 31 for clamping, so as to prevent the first clamping jaw 31 from sliding when separating or installing the sampling head, resulting in the problem that the sampling head cannot be separated or cannot be installed in place. The second limiting portion 5 includes a second limiting block 52 of the sampling tube, and the second limiting block 52 of the sampling tube cooperates with the second clamping jaw 32 for clamping, which can limit the movement of the sampling tube 2 in the direction of the sampling head 1 during the installation or separation process and limit the second clamping jaw 32. In this embodiment, the second limiting portion 5 also includes a first limiting block 51 of the sampling tube, and the first limiting block 51 of the sampling tube and the second limiting block 52 of the sampling tube cooperate with the second clamping jaw 32, so that the second clamping jaw 32 is limited between the first limiting block 51 of the sampling tube and the second limiting block 52 of the sampling tube.

[0037] When the equipment is in operation, it can be used in conjunction with the clean bin 8 and the recovery bin 9, such as Figure 7 As shown, when the sampling head 1 needs to be disassembled, the mechanical arm 39 drives the mechanical claw 3 to the specified position, the first clamping jaw 31 clamps the first limiting part 4, the second clamping jaw 32 clamps the second limiting part 5, and the driving component 33 drives the first clamping jaw 31 to move the first clamping jaw 31 toward the upper part away from the second clamping jaw 32. The first clamping jaw 31 applies force to the first limiting block 41 of the sampling head and the friction between the first clamping jaw 31 and the first limiting part 4. At the same time, the second clamping jaw 32 cooperates with the second limiting block 52 of the sampling tube to prevent the sampling tube 2 from being pulled up together with the sampling head 1, so as to separate the sampling head 1 from the sampling tube 2. After separation, the second clamping jaw 32 releases the second limiting part, the first clamping jaw 31 continues to clamp the sampling head, and the mechanical arm 39 drives the mechanical claw to move to the position of the recovery bin 9, and the sampling head is placed in the recovery bin 9, and the disassembly is completed. After disassembly, a new sampling head 1 needs to be installed. The mechanical claw 3 moves to the clean chamber 8 under the drive of the mechanical arm 39. The first jaw 31 clamps the first limit part 4 of the new sampling head 1. The mechanical arm 39 moves and positions the mechanical claw 3 to the sampling tube 2. The second jaw 32 clamps the second limit part 5. The driving component 33 drives the first jaw 31 to move the first jaw 31 toward the bottom close to the second jaw 32. The first jaw 31 applies force to the second limit block 42 of the sampling head and the friction between the first jaw 31 and the first limit part 4 to insert the sampling head 1 into the sampling tube 2. The installation of the sampling head 1 is completed.

[0038] Example 2

[0039] A fully automatic replacement device for a cutter as shown in Example 2 is characterized in that, in order to better adapt the existing sampling head to the sampling tube, Figure 2 The embodiment shown also includes a first adapter 6 and a second adapter 7. The first adapter 6 and the second adapter 7 are used to realize the connection between the sampling head and the sampling tube. They are intermediate connecting parts, which reduce the risk of deformation of the sampling head and the sampling tube due to excessive clamping force of the mechanical claw directly clamping the sampling head and the sampling tube. The first adapter 6 is sealedly connected to the sampling head 1, the second adapter 7 is sealedly connected to the sampling tube 2, and the first adapter 6 is sealedly connected to the second adapter 7. After the first adapter 6 and the second adapter 7 are set, the first limiter 4 is set on the first adapter 6, and the second limiter 5 is set on the second adapter 7.

[0040] The sampling head 1 is provided with a first adapter 11, and a first step 111 is formed between the first adapter 11 and the inner wall of the sampling head 1. Figure 5 As shown, a first adapter part 43 is provided at one end of the first adapter 6, and the first adapter part 43 extends from the first limit block 41 of the sampling head to the first adapter port 11, and the top surface of the first adapter part 43 contacts the first step 111, and a plurality of sealing grooves are provided on the side wall of the first adapter part 43, and a sealing ring is provided in the sealing groove, and the sealing ring and the sealing groove are interference fit, so that the first adapter part 43 can be inserted into the first adapter port 11, and the sealing between the first adapter part 43 and the first adapter port 11 is guaranteed. The end of the first adapter port 11 extends to the end surface of the first limit block 41 of the sampling head, and contacts the end surface of the first limit block 41, and in order to achieve multiple sealing effects, a sealing structure such as a sealing ring, a sealing groove, etc. is also provided at the end surface of the first limit block 41, so that the end of the first adapter port 11 can be sealed with the end surface of the first limit block 41.

[0041] A second adapter port 61 is provided at the other end of the first adapter 6, and a second step 611 is formed between the second adapter port 61 and the inner wall of the first adapter 6. Figure 6 As shown, the second adapter 7 is provided with a second adapter portion 71, which extends from the first limit block 51 of the sampling tube to the second adapter port 61, and the top surface of the second adapter portion 71 contacts the second step 611, and a plurality of sealing grooves are provided on the outer wall of the second adapter portion 71, wherein sealing rings are provided in the sealing grooves, and the sealing rings and the sealing grooves are interference fit to ensure the sealing between the second adapter port 61 and the second adapter portion 71. In order to ensure the quick connection between the first adapter 6 and the second adapter 7, the second adapter port 61 is configured to be a bell-mouth shape, which facilitates the insertion of the second adapter portion 71.

[0042] A multiple sealing structure is also provided at the second adapter. The end of the second adapter 61 extends to the end face of the first limit block 51 of the sampling tube, contacts the end face of the first limit block 51 of the sampling tube, and the end face of the second adapter 61 is sealed and matched with the end face of the first limit block 51 of the sampling tube.

[0043] The other end of the second adapter 7 is provided with a third connecting port 72, and a third step 73 is formed between the third connecting port 72 and the inner wall of the second adapter 7. The sampling tube 2 is inserted into the third connecting port 72 and contacts the third step 73. The third connecting port 72 and the sampling tube 2 are sealed by a sealing ring provided on the side wall of the sampling tube 2.

[0044] Example 3

[0045] A fully automatic replacement device for a cutter as shown in Example 1 is characterized in that the sampling head 1 and the first adapter 6 are integrally formed, and the sampling tube 2 and the second adapter 7 are integrally formed. Such a design not only solves the leakage problem, but also reduces the cost of designing a sealing structure.

[0046] Example 4

[0047] A fully automatic replacement device for a cutter as shown in Example 1 is characterized in that the two opposite surfaces between the first limit block 41 of the sampling head and the second limit block 42 of the sampling head are inclined surfaces, and the two opposite surfaces between the first limit block 51 of the sampling tube and the second limit block 52 of the sampling tube are inclined surfaces. By setting the inclined surfaces, the inclined surfaces play a guiding role, which facilitates the clamping of the mechanical claw 3.

[0048] Example 5

[0049] As shown in Example 1, a fully automatic replacement device for a cutter, together with a clean bin and a recovery bin, constitutes a fully automatic replacement system for a cutter. Figure 7 As shown, the clean bin 8 is used to place clean sampling heads. The clean bin 8 and the recovery bin 9 are provided with placement slots for placing the sampling heads 1. The recovery bin 9 is used to place the used sampling heads. The clean bin 8 and the recovery bin 9 are arranged within the travel range of the robot arm 39. The above system can be used to realize continuous replacement and installation of the sampling heads.

[0050] The above-described embodiments are merely descriptions of preferred implementations of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by ordinary persons in the art to the technical solution of the present invention should fall within the protection scope of the present invention, and the technical contents for which protection is sought in the present invention have been fully recorded in the claims.

Claims

1. A fully automatic replacement device for a cutter, characterized in that: The device comprises a sampling head (1) and a sampling tube (2), wherein the sampling head (1) and the sampling tube (2) are sealed and connected; and further comprises a mechanical claw (3) and a mechanical arm (39) for realizing the matching and separation of the sampling head (1) and the sampling tube (2); The mechanical claw (3) comprises a first clamping claw (31), a second clamping claw (32), a driving assembly (33), and a mounting plate (34); the first clamping claw (31) and the second clamping claw (32) are mounted on the mounting plate (34) and open and close independently, the driving assembly (33) drives the first clamping claw (31) and the second clamping claw (32) to move relative to each other, and the mechanical arm (39) is connected to the mounting plate (34); A first limiting portion (4) is provided on the sampling head (1), and a second limiting portion (5) is provided on the sampling tube (2); The first limiting portion (4) comprises a first limiting block (41) of the sampling head and a second limiting block (42) of the sampling head, and the first limiting block (41) of the sampling head and the second limiting block (42) of the sampling head cooperate with the first clamping jaw (31) so that the first clamping jaw (31) is limited between the first limiting block (41) of the sampling head and the second limiting block (42) of the sampling head; The second limiting portion (5) comprises a second limiting block (52) for the sampling tube, and the second limiting block (52) for the sampling tube cooperates with the second clamping jaw (32) to limit the movement of the sampling tube (2) towards the sampling head (1).

2. The fully automatic replacement device for a cutter according to claim 1, characterized in that: The second clamping jaw (32) is fixed on the mounting plate (34), and the driving component (33) drives the first clamping jaw (31) to move.

3. The fully automatic cutting tool replacement device according to claim 1, characterized in that: The second limiting portion (5) further comprises a first limiting block (51) for the sampling tube, wherein the first limiting block (51) for the sampling tube and the second limiting block (52) for the sampling tube cooperate with the second clamping jaw (32) so that the second clamping jaw (32) is limited between the first limiting block (51) for the sampling tube and the second limiting block (52) for the sampling tube.

4. The fully automatic replacement device for a cutter according to claim 3, characterized in that: The device further comprises a first adapter (6) and a second adapter (7); the first adapter (6) is provided with a first limiting portion (4), and the second adapter (7) is provided with a second limiting portion (5); the first adapter (6) is in sealing cooperation with the sampling head (1); the second adapter (7) is in sealing cooperation with the sampling tube (2), and the first adapter (6) is in sealing cooperation with the second adapter (7).

5. The fully automatic replacement device for a cutter according to claim 4, characterized in that: The sampling head (1) is provided with a first adapter interface (11), a first step (111) is formed between the first adapter interface (11) and the inner wall of the sampling head (1), a first adapter part (43) is provided on the first adapter member (6), the first adapter part (43) extends from the first limit block (41) of the sampling head to the first adapter interface (11), and the top surface of the first adapter part (43) contacts the first step (111), and the first adapter interface (11) and the first adapter part (43) are sealed by a sealing ring.

6. The fully automatic replacement device for a cutter according to claim 4, characterized in that: The end of the first adapter (11) extends to the end surface of the first limit block (41) of the sampling head, contacts the end surface of the first limit block (41), and the end of the first adapter (11) is sealed with the end surface of the first limit block (41).

7. The fully automatic replacement device for a cutter according to claim 4, characterized in that: The first adapter (6) is provided with a second adapter interface (61), a second step (611) is formed between the second adapter interface (61) and the inner wall of the first adapter (6), the second adapter part (71) is provided with a second adapter part (71), the second adapter part (71) extends from the first limit block (51) of the sampling tube to the second adapter interface (61), and the top surface of the second adapter part (71) contacts the second step (611), and the second adapter interface (61) and the second adapter part (71) are sealed by a sealing ring.

8. The fully automatic replacement device for a cutter according to claim 7, characterized in that: The second adapter (61) is in a bell-mouth shape.

9. The fully automatic replacement device for a cutter according to claim 7, characterized in that: The end of the second adapter (61) extends to the end surface of the first limit block (51) of the sampling tube, contacts the end surface of the first limit block (51) of the sampling tube, and the end of the second adapter (61) is sealed and matched with the end surface of the first limit block (51) of the sampling tube.

10. The fully automatic replacement device for a cutter according to claim 4, characterized in that: The second adapter (7) is provided with a third connection port (72), a third step (73) is formed between the third connection port (72) and the inner wall of the second adapter (7), the sampling tube (2) is inserted into the third connection port (72) and contacts the third step (73), and the third connection port (72) and the sampling tube (2) are sealed and matched.

11. The fully automatic cutting tool replacement device according to claim 4, characterized in that: The sampling head (1) and the first adapter (6) are integrally formed, and the sampling tube (2) and the second adapter (7) are integrally formed.

12. The fully automatic replacement device for a cutter according to claim 1, characterized in that: The two opposing surfaces between the first limit block (41) of the sampling head and the second limit block (42) of the sampling head are inclined surfaces, and the two opposing surfaces between the first limit block (51) of the sampling tube and the second limit block (52) of the sampling tube are inclined surfaces, and the inclined surfaces are used to guide the mechanical claw (3) to clamp.

13. A fully automatic replacement system for a cutter, comprising the fully automatic replacement device for a cutter according to any one of claims 1 to 12, characterized in that: It also includes a clean bin (8) and a recovery bin (9), wherein the clean bin (8) and the recovery bin (9) are arranged within the travel range of the mechanical arm (39), and the clean bin (8) and the recovery bin (9) are provided with a placement slot for placing the sampling head (1).

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