Pressing type sample barrel cover opener

Abstract

The utility model belongs to the technical field of sample pneumatic pipeline conveying and pneumatic sample conveying in the metallurgical industry, and particularly relates to a pressing type sample barrel cover opener. Comprising a machine table, a horizontal telescopic mechanism, a vertical telescopic mechanism, a cover opening mechanism, a barrel clamping mechanism and a cover placing mechanism. In the working process, a robot places a sample barrel on the machine table, the barrel clamping mechanism clamps the sample barrel, the horizontal telescopic mechanism adjusts the horizontal displacement of the uncovering mechanism, and the vertical telescopic mechanism adjusts the vertical displacement of the uncovering mechanism and is matched with the uncovering mechanism to pull out a sample barrel cover and place the sample barrel cover temporarily. According to the scheme, cover opening and cover placing of the pressing type sample barrel are automatically completed, full-automatic work is achieved in cooperation with a robot, labor is saved, and the working efficiency is improved. And meanwhile, the cover opening action and the cover placing action are completed through cooperation of the cover opening mechanism, the vertical telescopic mechanism and the horizontal telescopic mechanism, additional parts are not needed, the structure is simple, the number of quick-wear parts is small, and the equipment maintenance cost is saved.

Description

Technical Field

[0001] This application belongs to the field of pneumatic pipeline transportation and pneumatic sample delivery technology in the metallurgical industry, specifically relating to a press-type sample barrel opener. Background Technology

[0002] In the automated conveying process of pneumatic pipelines and pneumatic sample delivery in the metallurgical industry, due to the need for unmanned operation, it is necessary to design an automatic cap opener to complete the opening and storage of sample barrel caps, and to be able to automatically dock with robots. In the prior art, Chinese utility model patent application number 202020297081.7 discloses a barrel container unloading system integrating transfer, opening, and cleaning, including a transfer mechanism, an opening mechanism, and a tilting mechanism. The opening mechanism includes a lower base and a frame fixed on the lower base, a lifting mechanism on the lower base, a clamping mechanism on the frame, and an opening device suspended above the barrel to be opened. The barrel is transported to the lifting mechanism via a horizontal roller conveyor platform, and the lifting mechanism lifts the barrel to the opening position. The opening device includes a fixed lid structure and a cutting tool for opening the lid. The opening mechanism also includes a receiving mechanism, which includes a rotating motor fixed on the frame, a rotating sleeve driven by the rotating motor shaft, a pneumatic push rod fixed on the rotating sleeve, and a receiving plate fixedly connected to the driving end of the pneumatic push rod. The rotating sleeve is driven by the rotating motor shaft via a transmission belt and is sleeved on the frame rod. The lid-opening device in this technology uses a suction cup to fix the lid and then a cutting tool to cut the lid off the cylinder. This method of opening the lid will cause mechanical damage to the cylinder and affect its reuse. It is especially unsuitable for opening sample cylinders with push-button lids. At the same time, the receiving mechanism has a complex structure and many parts, which means more vulnerable parts and increased equipment maintenance costs. Summary of the Invention

[0003] Based on this, this application provides a press-type sample barrel opener to solve the technical problems that the opening mechanism in the prior art is not suitable for opening sample barrels with press-type lids, and that the receiving mechanism has a complex structure and many parts, which increases the equipment maintenance cost.

[0004] The technical solution to the above-mentioned technical problems in this application is as follows:

[0005] A press-type sample container lid opener, applied to a press-type sample container, wherein the upper lid of the press-type sample container is provided with a pull-out limiting annular groove, comprising:

[0006] A machine base, on which a mounting frame is vertically installed;

[0007] A horizontal telescopic mechanism, which is horizontally mounted on the mounting frame;

[0008] A vertical telescopic mechanism is provided at the telescopic end of the horizontal telescopic mechanism. The telescopic direction of the vertical telescopic mechanism is perpendicular to the telescopic direction of the horizontal telescopic mechanism, and it moves up and down from the horizontal telescopic mechanism toward the machine platform.

[0009] The opening mechanism is located at the telescopic end of the vertical telescopic mechanism and can be engaged with the pull-out limiting annular groove in the height direction for upper limit positioning.

[0010] A barrel clamping mechanism, which is mounted on the machine base, is used to clamp / release the press-type sample barrel;

[0011] A lid-releasing mechanism is provided, which is arranged side by side with the bucket-clamping mechanism on the machine platform, and the axial distance between the lid-releasing mechanism and the bucket-clamping mechanism is less than or equal to the stroke of the horizontal telescopic mechanism.

[0012] Preferably, in the above-mentioned press-type sample barrel opener, the horizontal telescopic mechanism includes a rodless cylinder disposed on the mounting frame and a slider disposed on the rodless cylinder. The rodless cylinder drives the slider to slide horizontally along the rodless cylinder, and the vertical telescopic mechanism is disposed on the slider.

[0013] Preferably, in the above-mentioned press-type sample barrel opener, the vertical telescopic mechanism is a guide rod cylinder, based on the upper surface of the machine platform, and the stroke of the guide rod cylinder is greater than the difference between the height of the rodless cylinder and the height of the press-type sample barrel.

[0014] Preferably, in the above-mentioned press-type sample barrel opener, the lid-laying mechanism is a platform protruding from the machine base, and the height of the platform is greater than the difference between the height of the rodless cylinder and the stroke of the guide rod cylinder.

[0015] Preferably, in the above-mentioned press-type sample barrel opener, the opening mechanism includes a base plate and a parallel gripper disposed on the side of the base plate opposite to the vertical telescopic mechanism. The parallel gripper includes a clamping cylinder, a connecting member, and a first gripper. The clamping cylinder is disposed on the base plate, and connecting members are provided on both telescopic ends of the clamping cylinder. The first gripper is disposed on the connecting member, and the two first grippers are arranged facing each other. The telescopic ends of the clamping cylinder drive the two first grippers to extend into / out of the pull-out limiting ring groove, and the first grippers can be engaged with the pull-out limiting ring groove in the height direction.

[0016] Preferably, in the above-mentioned press-type sample barrel opener, the opening mechanism further includes a buffer assembly, which includes a buffer plate and a plurality of springs disposed between the base plate and the buffer plate. In the height direction, the buffer plate is located between the base plate and the first gripper.

[0017] Preferably, in the above-mentioned press-type sample barrel opener, the distance between the pull-out limiting annular groove and the upper surface of the upper cover in the height direction is a first distance, and the distance between the buffer plate and the first gripper is less than the first distance.

[0018] Preferably, in the above-mentioned press-type sample barrel opener, the barrel clamping mechanism is mounted on the machine base via a vertical mounting plate, including at least one barrel clamping cylinder and second clamping claws disposed at both ends of the barrel clamping cylinder. The barrel clamping cylinder synchronously drives the two second clamping claws to clamp / release the press-type sample barrel.

[0019] Preferably, in the above-mentioned press-type sample barrel opener, the barrel clamping cylinder is a double-acting cylinder.

[0020] Preferably, the above-mentioned press-type sample barrel opener further includes a sample barrel storage platform, which is used to temporarily store the press-type sample barrel to be opened.

[0021] The application adopting the above technical solution has at least the following advantages:

[0022] This application discloses a press-type sample container opener, comprising a machine base, a horizontal telescopic mechanism, a vertical telescopic mechanism, an opening mechanism, a container clamping mechanism, and a lid-releasing mechanism. It is applied in the automated conveying process of pneumatic pipeline and pneumatic sample delivery in the metallurgical industry, and automatically docks with a robot. During operation, the robot places the sample container on the machine base, and the container clamping mechanism clamps it. The vertical telescopic mechanism, by moving along the horizontal telescopic mechanism, moves the opening mechanism above the press-type sample container. At this time, the vertical telescopic mechanism descends, lowering the opening mechanism to the upper surface of the press-type sample container lid. The opening mechanism engages with the lifting limit ring groove in the upper height direction. When the vertical telescopic mechanism rises, the opening mechanism lifts the press-type sample container lid, completing the opening action. Then, by moving along the horizontal telescopic mechanism, the vertical telescopic mechanism moves the opening mechanism above the lid-releasing mechanism. The vertical telescopic mechanism extends, lowering the opening mechanism with the press-type sample container lid onto the upper surface of the lid-releasing mechanism, whereby the opening mechanism releases, completing the lid-releasing action. This solution automates both opening and closing of the press-type sample container, achieving fully automated operation in conjunction with a robot, saving labor and improving work efficiency. Furthermore, both opening and closing actions are accomplished through a combination of an opening mechanism and vertical and horizontal telescopic mechanisms, requiring no additional parts, resulting in a simple structure, fewer vulnerable parts, and reduced equipment maintenance costs. Attached Figure Description

[0023] Figure 1 This is a 3D schematic diagram of a push-button sample barrel opener.

[0024] Figure 2 This is a three-dimensional front view of a push-button sample barrel opener.

[0025] Figure 3This is a three-dimensional left view of a push-button sample barrel opener.

[0026] Figure 4 This is a three-dimensional top view of a push-button sample barrel opener.

[0027] Figure 5 This is a partial enlarged view of the opening mechanism and buffer assembly of the push-button sample barrel opener.

[0028] In the diagram: 100, press-type sample barrel, 110, pull-out limiting ring groove 111, machine base 200, mounting frame 210, horizontal telescopic mechanism 300, rodless cylinder 310, slider 320, vertical telescopic mechanism 400, guide rod cylinder 410, lid opening mechanism 500, base plate 510, parallel gripper 520, clamping cylinder 521, connector 522, first gripper 523, buffer assembly 530, buffer plate 531, spring 532, barrel clamping mechanism 600, vertical mounting plate 610, barrel clamping cylinder 620, second gripper 630, lid placement mechanism 700, sample barrel storage platform 800, pneumatic component box 900, pneumatic component 910. Detailed Implementation

[0029] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings. Preferred embodiments of this application are shown in the drawings. However, this application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this application.

[0030] It should be noted that when an element is referred to as being "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," "top," "bottom," "end," "top," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of this application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0032] Please refer to Figures 1 to 5In one specific embodiment of this application, a press-type sample container (hereinafter referred to as sample container) lid opener is applied to a press-type sample container 100. The upper cover 110 of the press-type sample container 100 is provided with a pull-out limiting annular groove 111. The device includes: a machine base 200, on which a mounting frame 210 is vertically mounted; a horizontal telescopic mechanism 300, horizontally mounted on the mounting frame 210; and a vertical telescopic mechanism 400, located at the telescopic end of the horizontal telescopic mechanism 300, wherein the telescopic direction of the vertical telescopic mechanism 400 is perpendicular to the telescopic direction of the horizontal telescopic mechanism 300. The horizontal telescopic mechanism 300 moves up and down towards the machine platform 200; the lid opening mechanism 500 is located at the telescopic end of the vertical telescopic mechanism 400 and can be engaged with the pull-out limiting annular groove 111 in the height direction for upper limit cooperation; the bucket clamping mechanism 600 is located on the machine platform 200 and is used to clamp / release the press-type sample bucket 100; the lid placement mechanism 700 is arranged side by side with the bucket clamping mechanism 600 on the machine platform 200, and the axial distance between the lid placement mechanism 700 and the bucket clamping mechanism 600 is less than or equal to the stroke of the horizontal telescopic mechanism 300.

[0033] The working process is as follows: First, the robot places the sample barrel on the machine platform 200, and the barrel clamping mechanism 600 clamps the sample barrel. The vertical telescopic mechanism 400 moves on the horizontal telescopic mechanism 300 to move the lid opening mechanism 500 above the press-type sample barrel 100. At this time, the vertical telescopic mechanism 400 descends, lowering the lid opening mechanism 500 to the lid of the press-type sample barrel 100. The lid opening mechanism 500 and the pull-out limiting ring groove 111 are in upper limit engagement in the height direction. When the vertical telescopic mechanism 400 rises, the lid opening mechanism 500 lifts the lid of the press-type sample barrel 100, completing the lid opening action. Then, the vertical telescopic mechanism 400 moves on the horizontal telescopic mechanism 300 to move the lid opening mechanism 500 above the lid placement mechanism 700. The vertical telescopic mechanism 400 extends and lowers the lid opening mechanism 500 with the sample barrel lid onto the upper surface of the lid placement mechanism 700. The lid opening mechanism 500 releases, completing the lid placement action. When opening the lid, the opening mechanism 500 clamps the sample barrel lid, and the vertical telescopic mechanism 400 rises to achieve the opening action. When lowering the lid, the vertical telescopic mechanism 400 descends, and the opening mechanism 500 releases the sample barrel lid to achieve the lowering action. In other words, both opening and lowering the lid are completed by the opening mechanism 500, eliminating the need for additional parts, resulting in a simple structure, fewer vulnerable parts, and reduced equipment maintenance costs. After opening, the lid slides along the horizontal telescopic mechanism 300 via the vertical telescopic mechanism 400 to the lowering mechanism 700, completing the entire process seamlessly. Both opening and lowering the lid of the sample barrel are automated, achieving fully automated operation in conjunction with a robot, saving labor and improving work efficiency.

[0034] Since the movement of the lid-opening mechanism 500 during opening and closing is achieved by the vertical telescopic mechanism 400 sliding horizontally on the horizontal telescopic mechanism 300, the horizontal telescopic mechanism 300 includes a rodless cylinder 310 mounted on the mounting bracket 210 and a slider 320 mounted on the rodless cylinder 310. The rodless cylinder 310 drives the slider 320 to slide horizontally along the rodless cylinder 310, and the vertical telescopic mechanism 400 is mounted on the slider 320. When the slider 320 slides on the rodless cylinder 310, it can drive the vertical telescopic mechanism 400 to slide horizontally along the rodless cylinder 310 with the slider 320. The lid-opening mechanism 500 is located at the telescopic end of the vertical telescopic mechanism 400, and thus can also slide horizontally along the rodless cylinder 310.

[0035] Furthermore, the vertical telescopic mechanism 400 is a guide rod cylinder 410. Based on the upper surface of the machine base 200, the stroke of the guide rod cylinder 410 is greater than the difference between the height of the rodless cylinder 310 and the height of the pressing sample barrel 100. As mentioned above, when it is necessary to open the sample barrel, the vertical telescopic mechanism 400 is controlled to descend to the sample barrel lid so that the lid opening mechanism 500 can engage with the pull-out limiting ring groove 111 at the upper limit in the height direction. If the guide rod cylinder 410 descends completely to its maximum stroke and the lid opening mechanism 500 is still higher than the sample barrel lid, the sample barrel lid cannot be clamped. Therefore, preferably, the vertical telescopic mechanism 400 is a guide rod cylinder 410, and based on the upper surface of the machine base 200, the stroke of the guide rod cylinder 410 is greater than the difference between the height of the rodless cylinder 310 and the height of the pressing sample barrel 100. This ensures that the opening mechanism 500 can hold the sample barrel lid within the stroke range of the guide rod cylinder 410. Furthermore, when opening sample barrels of different heights, only the preset stroke of the guide rod cylinder 410 needs to be adjusted. This makes it applicable to more sample barrel models, expanding the scope of use of the lid opener and improving its versatility.

[0036] Similarly, during the cap placement, the guide rod cylinder 410 descends until the sample barrel cap is located on the upper surface of the cap placement mechanism 700, and the parallel gripper 520 is released, allowing the sample barrel cap to be placed on the cap placement mechanism 700. However, if the guide rod cylinder 410 descends to its maximum stroke while the sample barrel cap is still above the upper surface of the cap placement mechanism 700, releasing the parallel gripper 520 will cause the sample barrel cap to fall from mid-air and scatter. Therefore, preferably, the cap placement mechanism 700 is a platform protruding from the machine base 200, and the height of the platform is greater than the difference between the height of the rodless cylinder 310 and the stroke of the guide rod cylinder 410. It should be noted that the height of the platform refers to the height of the platform protruding from the machine base 200, and the height of the rodless cylinder 310 refers to the vertical distance between the rodless cylinder 310 and the machine base 200. This ensures that the sample barrel cap remains on the upper surface of the cap placement mechanism 700 within the stroke range of the guide rod cylinder 410, preventing it from falling.

[0037] The key component for performing the opening and closing actions is the opening mechanism 500. In a preferred embodiment, the opening mechanism 500 includes a base plate 510 and a parallel gripper 520 disposed on the side of the base plate 510 opposite to the vertical telescopic mechanism 400. The parallel gripper 520 includes a clamping cylinder 521, a connector 522, and a first gripper 523. The clamping cylinder 521 is disposed on the base plate 510, and connectors 522 are provided on both sides of the telescopic ends of the clamping cylinder 521. The first gripper 523 is disposed on the connector 522, and the two first grippers 523 are arranged facing each other. The telescopic ends of the clamping cylinder 521 drive the two first grippers 523 to extend into / out of the pull-out limiting annular groove 111, and the first grippers 523 can be engaged with the pull-out limiting annular groove 111 in the height direction. The top of the substrate 510 is connected to the guide rod cylinder 410. During operation, when the vertical telescopic mechanism 400, i.e., the guide rod cylinder 410, descends to the position where the first gripper 523 corresponds to the pull-out limiting ring groove 111, the two ends of the clamping cylinder 521 retract, causing the first gripper 523 to extend into the pull-out limiting ring groove 111. Next, as the guide rod cylinder 410 rises, it drives the lid-opening mechanism 500 to rise. Because the first gripper 523 and the pull-out limiting ring groove 111 are in upper limit engagement in the height direction, the sample barrel lid is also pulled upwards during the rising process of the lid-opening mechanism 500. When the lid is released, the two ends of the clamping cylinder 521 extend, causing the first gripper 523 to extend out of the pull-out limiting ring groove 111, separating the sample barrel lid from the first gripper 523 to achieve the lid-releasing action. In the lid-opening mechanism 500, both ends of the clamping cylinder 521 need to extend and retract; therefore, a double-acting cylinder is preferred.

[0038] When the guide rod cylinder 410 descends, to prevent a hard collision between the guide rod cylinder 410 and the sample bottle cap, the cap opening mechanism 500 further includes a buffer assembly 530. The buffer assembly 530 includes a buffer plate 531 and several springs 532 disposed between the base plate 510 and the buffer plate 531. In the height direction, the buffer plate 531 is located between the base plate 510 and the first gripper 523. When the guide rod cylinder 410 descends, the buffer assembly 530 also descends. When the buffer plate 531 contacts the sample bottle cap, the springs 532 are compressed. At this time, the cap opening mechanism 500 continues to descend until the first gripper 523 can clamp the sample bottle cap, then the guide rod cylinder 410 rises, and the sample bottle cap is pulled out. During this process, due to the buffering effect of the compressible springs 532, a hard collision between the guide rod cylinder 410 and the sample bottle cap can be avoided, thus preventing an impact on the service life of the equipment. It should be noted that when the spring 532 is fully compressed, if the buffer plate 531 extends beyond the lower end of the first gripper 523, then the first gripper 523 will not be able to hold the sample bottle cap. Therefore, the buffer plate 531 should be located between the base plate 510 and the first gripper 523.

[0039] Furthermore, the distance between the pull-out limiting annular groove 111 and the upper surface of the upper cover 110 is a first distance, and the distance between the buffer plate 531 and the first gripper 523 is less than the first distance. Thus, when the first gripper 523 extends into the pull-out limiting annular groove 111 to hold the sample bottle cap, the spring 532 is compressed. When the sample bottle cap is pulled upwards, under the action of the elastic force of the spring 532 and the upward pulling force of the cap opening mechanism 500, the sample bottle cap is relatively fixed, resulting in more stable clamping.

[0040] Since the clamping mechanism 600 is used to clamp / release the press-type sample barrel 100, the clamping mechanism 600 is mounted on the machine base 200 via a vertical mounting plate 610. It includes at least one clamping cylinder 620 and two second grippers 630 located at both ends of the clamping cylinder 620. The clamping cylinder 620 synchronously drives the two second grippers 630 to clamp / release the press-type sample barrel 100. When the robot places the sample barrel to be opened on the machine base 200, the clamping cylinder 620 drives the two second grippers 630 to clamp the sample barrel, and then performs the opening action. Similarly, after opening, the clamping cylinder 620 drives the two second grippers 630 to release the sample barrel, and the robot removes the opened sample barrel from the machine base 200, completing a full opening process. Furthermore, the clamping cylinder 620 is a double-acting cylinder. Since both ends of the cylinder are retractable, it can simultaneously drive the two second grippers 630 to clamp / release the sample barrel. At the same time, since both ends are retractable, even if the robot may place the sample barrel on the machine table 200 with slight deviation, the center of the sample barrel can still be located at the center position when the clamping cylinder 620 clamps after final clamping, which can better align with the lid opening mechanism 500.

[0041] In another specific embodiment of this application, a pneumatic component box 900 is also provided below the machine base 200 to provide a power source for all cylinders. The pneumatic components 910 are centrally located within the pneumatic component box 900, resulting in a compact structure and space-saving design.

[0042] In another specific embodiment of this application, a sample barrel storage platform 800 is also included. The sample barrel storage platform 800 is used to temporarily store sample barrels that are to be opened. During operation, the robot can directly place the sample barrels from the sample barrel storage platform 800 onto the machine platform 200, reducing long-distance transportation and saving time.

[0043] The above embodiments merely illustrate several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A press-type sample container lid opener, applied to a press-type sample container, wherein the upper lid of the press-type sample container is provided with a pull-out limiting annular groove, characterized in that, include: A machine base, on which a mounting frame is vertically installed; A horizontal telescopic mechanism, which is horizontally mounted on the mounting frame; A vertical telescopic mechanism is provided at the telescopic end of the horizontal telescopic mechanism. The telescopic direction of the vertical telescopic mechanism is perpendicular to the telescopic direction of the horizontal telescopic mechanism, and it moves up and down from the horizontal telescopic mechanism toward the machine platform. The opening mechanism is located at the telescopic end of the vertical telescopic mechanism and can be engaged with the pull-out limiting annular groove in the height direction for upper limit positioning. A barrel clamping mechanism, which is mounted on the machine base, is used to clamp / release the press-type sample barrel; A lid-releasing mechanism is provided, which is arranged side by side with the bucket-clamping mechanism on the machine platform, and the axial distance between the lid-releasing mechanism and the bucket-clamping mechanism is less than or equal to the stroke of the horizontal telescopic mechanism.

2. The press-type sample barrel opener according to claim 1, characterized in that, The horizontal telescopic mechanism includes a rodless cylinder disposed on the mounting bracket and a slider disposed on the rodless cylinder. The rodless cylinder drives the slider to slide horizontally along the rodless cylinder, and the vertical telescopic mechanism is disposed on the slider.

3. The press-type sample barrel opener according to claim 2, characterized in that, The vertical telescopic mechanism is a guide rod cylinder. Based on the upper surface of the machine platform, the stroke of the guide rod cylinder is greater than the difference between the height of the rodless cylinder and the height of the pressing sample barrel.

4. The press-type sample barrel opener according to claim 3, characterized in that, The cap-laying mechanism is a platform protruding from the machine base, and the height of the platform is greater than the difference between the height of the rodless cylinder and the stroke of the guide rod cylinder.

5. The press-type sample barrel opener according to claim 1, characterized in that, The opening mechanism includes a base plate and a parallel gripper disposed on the side of the base plate opposite to the vertical telescopic mechanism. The parallel gripper includes a clamping cylinder, a connector, and a first gripper. The clamping cylinder is disposed on the base plate, and connectors are provided on both telescopic ends of the clamping cylinder. The first gripper is disposed on the connector, and the two first grippers are arranged facing each other. The telescopic ends of the clamping cylinder drive the two first grippers to extend into / out of the pull-out limiting annular groove, and the first grippers can be engaged with the pull-out limiting annular groove in the height direction.

6. The press-type sample barrel opener according to claim 5, characterized in that, The opening mechanism further includes a buffer assembly, which includes a buffer plate and a plurality of springs disposed between the base plate and the buffer plate. In the height direction, the buffer plate is located between the base plate and the first gripper.

7. The press-type sample barrel opener according to claim 6, wherein the distance between the pull-out limiting annular groove and the upper surface of the upper cover in the height direction is a first distance, characterized in that, In the height direction, the distance between the buffer plate and the first gripper is less than the first distance.

8. The press-type sample barrel opener according to claim 1, characterized in that, The barrel clamping mechanism is mounted on the machine base via a vertical mounting plate and includes at least one barrel clamping cylinder and second clamping jaws located at both ends of the barrel clamping cylinder. The barrel clamping cylinder synchronously drives the two second clamping jaws to clamp / release the press-type sample barrel.

9. The press-type sample barrel opener according to claim 8, characterized in that, The clamping cylinder is a double-acting cylinder.

10. The press-type sample barrel opener according to claim 1, characterized in that, It also includes a sample storage platform, which is used to temporarily store the press-type sample buckets that are to be opened.

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