Portable gantry dustproof sample cutting device

Abstract

The utility model discloses a portable gantry dustproof sample cutting device which comprises a main body supporting module, the main body supporting module comprises a base, a gantry supporting structure is arranged on the base, the gantry supporting structure comprises two vertical beams and a cross beam connected to the upper portions of the two vertical beams, vertical grooves are formed in one sides of the two vertical beams, and stand columns are installed in the grooves. The stand column is sequentially sleeved with an auxiliary spring on the lower portion and a sample cutting module on the upper portion, the sample cutting module comprises a cutting cross beam moving up and down along the stand column and a motor penetrating through the cutting cross beam, a cutting tool is connected to an output shaft of the motor, and a cutting groove corresponding to the sample cutting module is formed in the base. And a clamping module for clamping or loosening a to-be-cut sample is rotationally connected below the cross beam. The rock core can be cut into samples meeting experimental requirements according to a certain size, and the rock core cutting device has the characteristics of small vibration, low noise and easiness in operation, and can well protect a collector.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the geological exploration field, especially relate to a portable gantry dustproof sample cutting device. BACKGROUND

[0002] Drilling core is usually cylindrical, and the size of length and diameter is relatively large, and cannot be directly used for experimental sample, and the tool for dividing sample in the drilling site at present is usually geological hammer, and the size of collected sample is much larger than the requirement of laboratory, and it is easy to cause waste of core, and the collected sample also needs secondary treatment in laboratory, thereby increasing time cost and labor cost.

[0003] The existing cutting equipment is mostly large-size cutting equipment, is suitable for indoor cutting, is inconvenient for cutting of core in the drilling site, and part of the authorized patents adopt a belt transmission mode, rotate the power of motor to cutting tool through the belt, and cut the core, and such cutting equipment is usually large in vibration, high in noise, large in dust, low in precision, or large in appearance, complex in structure, and not suitable for use in the relatively simple environment in the field.

[0004] Therefore, a device for cutting sample along the radial direction of core is required to carry out such work. SUMMARY

[0005] In view of the defects of the prior art, the utility model provides a portable gantry dustproof sample cutting device, the device cuts the drilling core in radial direction through the cooperation of gantry support structure and cutting crossbeam vertical up and down movement, can cut the core into sample meeting the experimental requirement according to certain size, highlights the accuracy of sample collection size, improves the sample cutting efficiency, has the characteristics of small vibration, low noise and easy operation, reduces the influence of dust diffusion on the health of sample collector when collecting sample, and can protect the collector well.

[0006] The technical scheme provided by the utility model is as follows:

[0007] The utility model provides a portable gantry dustproof sample cutting device, including main body support module, the main body support module includes base, is equipped with gantry support structure on the base, the gantry support structure includes two vertical beams and the crossbeam connected in the upper of two vertical beams, the vertical groove is seted up in one side of two vertical beams, installs the stand in the recess, the auxiliary spring and sample cutting module in the upper of in turn of the stand are connected in below, the sample cutting module includes the cutting crossbeam of going up and down movement along the stand and the motor of being penetrated on the cutting crossbeam, is connected with cutting tool on the output shaft of motor, is equipped with cutting groove on the base corresponding sample cutting module, the clamping module that is loosened or is clamped to the sample to be cut is rotatably connected below the crossbeam.

[0008] Further, the cutting beam is provided with a beam pressing rod fixing groove above the cutting beam, a beam pressing rod is arranged in the beam pressing rod fixing groove, the beam pressing rod is buckled with the beam pressing rod fixing groove, both sides of the cutting beam are provided with beam fixing blocks, the beam fixing blocks are connected with connecting pieces provided with through holes, and the connecting pieces are sleeved on the stand columns.

[0009] Further, the cutting tool is provided with a cutting protection cover.

[0010] Further, the clamping module comprises a rotating shaft, an upper V-shaped clamping groove and a lower V-shaped clamping groove, the rotating shaft penetrates through the beam and is threadedly connected with the beam, the upper V-shaped clamping groove is downwardly open and is fixed at the bottom of the rotating shaft, and the lower V-shaped clamping groove is fixed on the base and corresponds to the upper V-shaped clamping groove.

[0011] Further, a horizontal hole is formed in the top of the rotating shaft, and a rotating horizontal rod is arranged in the horizontal hole to drive the rotating shaft to rotate.

[0012] Further, the upper V-shaped clamping groove and the lower V-shaped clamping groove each comprise a base and a tooth disc, the base and the tooth disc are threadedly connected, and the bases of the upper V-shaped clamping groove and the lower V-shaped clamping groove are fixedly connected with the bottom of the rotating shaft and the base respectively.

[0013] Further, the cutting groove is two V-shaped grooves symmetrically distributed along the short side direction of the base, the cutting groove is provided with a dustproof module, the dustproof module comprises a dustproof cover sleeved on the cutting groove, a dustproof cover is detachably connected above the dustproof cover, the length of the dustproof cover is greater than the diameter of the cutting tool, an opening corresponding to the cutting groove is formed in the top of the dustproof cover for the cutting tool to extend into the dustproof cover, and cutting openings for sample passing are formed in the front and back sides of the dustproof cover below the dustproof cover.

[0014] Further, a cutting fluid bottle is arranged on one side of the beam, a conduit is connected to the outlet of the cutting fluid bottle, and the conduit penetrates into the dustproof cover and is close to the cutting groove.

[0015] Further, a switch for controlling the flow of cutting fluid is arranged on the conduit close to the cutting fluid bottle, and the conduit close to the cutting groove is a flexible tube.

[0016] Further, a backflow groove is arranged in the dustproof cover, the backflow groove is a groove recessed downward on the upper surface of the base, the length and the width of the backflow groove are greater than the length and the width of the cutting groove and are less than the length and the width of the dustproof cover, and the backflow groove is connected to a storage tank arranged in the base through a backflow pipe.

[0017] Beneficial effects

[0018] (1) the existing common sampler is mostly inclined and pressed to cut the sample, and has the characteristics of large shaking, high noise, much dust, low precision and difficult operation, the utility model discloses a radial cutting of drilling core is carried out along the vertical direction up and down movement of cutting crossbeam by gantry support structure, can cut the core into the sample that satisfies the experiment requirement according to the size, the accuracy of sample collection size is highlighted, the sample cutting efficiency is improved, has the characteristics of small vibration, low noise, easy operation, reduces the influence of dust dispersion on the health of the sample collector when collecting the sample, can well protect the collector.

[0019] (2) the original cutting device is mostly integrated structure, cannot be disassembled, has the characteristics of large volume, large weight, difficult to carry, not suitable for on-site use, portable gantry sampling device adopts split design, can cut the cutting device into multiple modules, and the cutting device is assembled and disassembled conveniently, has the characteristics of easy disassembly and convenient carrying, is favorable to carry out the cutting work of the field core sample, and facilitates the placement and movement of the device.

[0020] (3) the clamping module of the utility model can stably fasten the sample to be cut, the stability of the cutting process is improved through the gantry support structure, and the reasonable combination of the two can effectively reduce the vibration effect in the cutting process, and significantly improve the accuracy of the experimental sample cutting.

[0021] (4) the utility model discloses a dustproof module and corresponding cutting fluid spraying component, can limit most of the dust generated in the cutting process in the dust cover, can effectively reduce the dispersion of dust, thereby protecting the physical health of the cutting operator. DRAWINGS

[0022] Figure 1 It is a front view of a portable gantry dustproof sample cutting device of the utility model;

[0023] Figure 2 It is a left view of a portable gantry dustproof sample cutting device of the utility model;

[0024] Figure 3 It is a top view of a portable gantry dustproof sample cutting device of the utility model;

[0025] Figure 4 It is a right view of a portable gantry dustproof sample cutting device of the utility model;

[0026] Figure 5 It is a dust cover schematic view of a portable gantry dustproof sample cutting device of the utility model.

[0027] Explanation of reference signs: 1, base; 2, gantry support structure; 3, auxiliary spring; 4, upright column; 5, rotating shaft; 6, rotating cross bar; 7, upper V-shaped clamping groove; 8, lower V-shaped clamping groove; 9, cross beam pressing rod; 10, cross beam fixing block; 11, cutting cross beam; 12-1, cutting tool; 12-2, cutting protective cover; 13, motor; 14, cross beam pressing rod fixing groove; 15, connecting piece; 16, fixing hole; 17, cutting fluid bottle; 18, conduit; 19, dust cover; 20, cutting opening; 21, V-shaped groove; 22, backflow groove; 23, backflow pipe; 24, collection box. DETAILED DESCRIPTION

[0028] The utility model will be described further, combining with the drawings. The following examples are only for more clearly illustrating the technical scheme of the utility model, and cannot limit the protection scope of the utility model.

[0029] In the description of the utility model, it is to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can be explicitly or implicitly included one or more. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0030] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0031] Example 1

[0032] As Figure 1The utility model discloses a portable dustproof sample cutting device of gantry, including main support module, and the main support module includes base 1, is equipped with the gantry support structure 2 on base 1, and the gantry support structure 2 includes two vertical girders and the crossbeam being connected on the top of two vertical girders, and the vertical recess is seted up to two vertical girders one side, is installed with stand 4 in recess, and the auxiliary spring 3 and sample cutting module are successively connected in the upper side of below of stand 4, and sample cutting module includes cutting crossbeam 11 and motor 13 of the penetration on cutting crossbeam 11 along the up-and-down movement of stand, is connected with cutting tool 12-1 on the output shaft of motor 13, and cutting groove is equipped with in the base 1 corresponding sample cutting module, and the clamping module that is clamped or loosened to the sample to be cut is rotatably connected with the crossbeam below.

[0033] The utility model adopts the gantry support structure to combine cutting crossbeam and move up and down in the vertical direction to cut the drilling core in the radial direction, can cut the core into the sample satisfying the experimental requirement according to certain size, highlights the accuracy of sample collection size, improves sample cutting efficiency, has the characteristics such as small vibration, low noise, easy operation, can protect the collector well.

[0034] Example 2

[0035] As Figure 1 And Figure 2As shown, the utility model embodiment provides a portable dustproof sample cutting device of gantry, mainly used for cutting sampling of core sample, including four parts of main body support module, clamping module, sample cutting module and dustproof module, the coordination of four modules can conveniently complete the collection of experimental sample in field work. The main body support module is the main part of the utility model, plays the role of stabilizing and supporting device, including base 1, gantry support structure 2, auxiliary spring 3 and stand 4, base 1 is located at the bottom of the whole device, is the basic part of supporting the whole device, and the four corners of base are designed with four fixing holes 16 for the fixation of base. The gantry support structure 2 is located at the upper portion of base 1, and the whole is rectangular, including two longitudinal beams and the crossbeam connected to the upper portion of two longitudinal beams, i.e. gantry, the gantry support structure is fixedly connected with base 1, the crossbeam is provided with the clamping module for clamping and loosening the sample, and the two vertical beams of the gantry support structure are provided with vertical grooves on one side, the stand 4 is installed in the grooves, and the stand 4 is movably connected with the top portions of the two vertical beams of base 1 and the gantry support structure. The sample cutting module and the auxiliary spring 3 located below are peripherally sleeved on the stand 4, the stand 4 is the guide rail for the up-down movement of the sample cutting module, and the auxiliary spring 3 plays an auxiliary role in the up-down movement of the sample cutting module. The sample cutting module is the main part for cutting the sample, including the cutting crossbeam 11 moving up and down along the stand 4 and the motor 13 penetrating through the cutting crossbeam 11, the output shaft of the motor 13 is connected with the cutting tool 12-1, the cutting tool 12-1 rotates under the driving of the motor 13, and the purpose of cutting the core is realized. Specifically, the motor 13 is fixed on the cutting crossbeam 11 by bolts.

[0036] In the embodiment, the sample cutting module further includes the crossbeam pressing rod 9, the crossbeam pressing rod fixing groove 14, the crossbeam fixing block 10 and the cutting protective cover 12-2. The crossbeam pressing rod fixing groove 14 is located at the upper portion of the cutting crossbeam 11, the crossbeam pressing rod 9 is connected with the crossbeam pressing rod fixing groove 14 by penetrating into the crossbeam pressing rod fixing groove 14 and being buckled, and the two are movably connected so that the crossbeam pressing rod 9 can be conveniently disassembled and assembled, and the whole device is convenient to carry. The crossbeam fixing block 10 is located at the stand 4 in the vertical beam groove on the two sides of the cutting crossbeam 11, mainly plays a role in fixing the cutting crossbeam 11, one end of the crossbeam fixing block 10 is fixedly connected with the cutting crossbeam 11, and the other end is connected with the stand 4 through the connecting piece 15. The crossbeam fixing block 10 and the connecting piece 15 are an integral whole, the connecting piece 15 is provided with a through hole matched with the stand 4, and the connecting piece 15 is connected with the stand 4 through the through hole. The auxiliary spring 3 at the bottom of the connecting piece 15 assists the up-down movement of the connecting piece 15. The cutting tool 12-1 is provided with the cutting protective cover 12-2, and the cutting protective cover 12-2 plays a role in shielding the debris and protecting the operator during the cutting process.

[0037] In this embodiment, the clamping module includes a rotating shaft 5, an upper V-shaped clamping groove 7, and a lower V-shaped clamping groove 8. The rotating shaft 5 passes through the crossbeam and is threadedly connected to the crossbeam. The upper V-shaped clamping groove 7 opens downward and is fixed at the bottom of the rotating shaft 5. The lower V-shaped clamping groove 8 is fixed on the base 1 corresponding to the upper V-shaped clamping groove 7.

[0038] In this embodiment, a horizontal hole is provided at the top of the rotating shaft 5, and a rotating crossbar 6 that drives the rotating shaft 5 to rotate is inserted through the horizontal hole.

[0039] In this embodiment, both the upper V-shaped clamping groove 7 and the lower V-shaped clamping groove 8 include a base and a toothed disc, the base and the toothed disc are threaded together, and the bases of the upper V-shaped clamping groove 7 and the lower V-shaped clamping groove 8 are fixedly connected to the bottom of the rotating shaft 5 and the base 1, respectively.

[0040] Specifically, such as Figure 1 , Figure 2 and Figure 3 As shown, the sample clamping module is the main component for securing core samples, including a rotating shaft 5, a rotating crossbar 6, an upper V-shaped clamping groove 7, and a lower V-shaped clamping groove 8. The rotating shaft 5 passes through the crossbeam of the gantry support structure and is threadedly connected to the crossbeam. Rotation of the upper V-shaped clamping groove 7 enables its vertical movement. A horizontal hole is located at the top of the rotating shaft 5, through which the rotating crossbar 6 passes and can move. The two are movably connected, and rotation of the rotating crossbar 6 drives the rotation of the rotating shaft 5. The upper V-shaped clamping groove 7 is located at the bottom of the rotating shaft 5, and its top is fixedly connected to the rotating shaft 5. Its main function is to work together with the lower V-shaped clamping groove 8 to clamp the core sample. The upper V-shaped clamping groove 7 consists of a base and a jaw plate. The base is fixedly connected to the rotating shaft 5. The top of the jaw plate has bolt holes for connection to the base via bolts. The surface of the jaw plate is a flexible contact surface, which serves to protect the core and increase friction. The upper V-shaped clamping groove 7 matches the notch of the lower V-shaped clamping groove 8, allowing for stable clamping of the core. The lower V-shaped clamping groove 8 is located on the upper part of the base 1 and is fixedly connected to it. The lower V-shaped clamping groove 8 consists of a base and a jaw plate. The base is fixedly connected to the base 1. The bottom of the jaw plate has bolt holes for connection to the base via bolts. The surface of the jaw plate is a flexible contact surface, which serves to protect the core and increase friction. The lower V-shaped clamping groove 8 is divided into left and right symmetrical parts, with the notch size corresponding to that of the upper V-shaped clamping groove 7.

[0041] In the embodiment, the cutting grooves are two V-shaped grooves 21 symmetrically distributed along the short side direction of the base 1, and a dustproof module is arranged on the cutting grooves. The dustproof module comprises a dustproof cover 19 arranged on the cutting grooves, and a dustproof cover is detachably connected to the top of the dustproof cover 19. The length of the dustproof cover 19 is greater than the diameter of the cutting tool 12-1. An opening corresponding to the cutting groove is arranged on the top of the dustproof cover 19, through which the cutting tool 12-1 extends into the dustproof cover 19. The front and rear sides of the dustproof cover 19 below the dustproof cover are provided with cutting openings 20 for the sample to pass through.

[0042] In the embodiment, a cutting fluid bottle 17 is arranged on one side of the cross beam, and a conduit 18 is connected to the outlet of the cutting fluid bottle 17. The conduit 18 is arranged in the dustproof cover 19 and is close to the cutting groove.

[0043] In the embodiment, a switch for controlling the flow of cutting fluid is arranged on the conduit 18 close to the cutting fluid bottle 17, and the conduit 18 close to the cutting groove is a flexible tube.

[0044] In the embodiment, a backflow groove 22 is arranged in the dustproof cover 19. The backflow groove 22 is a groove recessed downward from the upper surface of the base 1. The length and width of the backflow groove 22 are greater than the length and width of the cutting groove and are less than the length and width of the dustproof cover 19. The backflow groove 22 is connected to a storage tank 24 arranged inside the base through a backflow pipe 23.

[0045] Specifically, as shown in FIG. 1, the cutting device comprises a base 1, a cross beam 2 arranged on the base 1, a cutting tool 12-1 arranged on the cross beam 2, and a dustproof cover 19 arranged on the cutting tool 12-1. Figures 3 to 5As shown, the dustproof module is a component for preventing cutting dust from flying or debris from splashing, located on one side of the upper part of the base 1, including a dust cover 19, a cutting port 20, a cutting fluid bottle 17, a conduit 18, a backflow groove 22, a backflow pipe 23 and a storage tank 24. The dust cover 19 is the main part of the dustproof module, located on the upper part of the base 1 and covers the cutting groove, the dust cover 19 is divided into two parts, the upper part is detachably connected (such as buckle connection) with the dust cover 19, which can be easily disassembled to facilitate observation of the cutting condition inside the dust cover 19, the length of the dust cover 19 is greater than the diameter of the cutting tool 12-1, the top of the dust cover is provided with an opening corresponding to the cutting groove for the cutting tool 12-1 to extend into the dust cover 19, and the front and rear sides of the dust cover 19 below the dust cover are provided with cutting ports 20, which mainly facilitate the passage of samples, i.e. cores. The cutting groove is located in the inside of the dust cover 19 and is composed of two symmetrically distributed V-shaped grooves 21, which mainly support the core to keep it in a horizontal state and facilitate the cutting of the experimental sample, and the space between the two V-shaped grooves 21 is the movement space for the cutting tool to rotate and cut, which can make the cutting tool cut the core smoothly. The cutting fluid bottle 17 is located on the upper part of the beam of the gantry support structure, which mainly contains cutting fluid and is bolted to the gantry support structure, and the top of the beam of the gantry support structure is designed with a spiral groove, and the cutting fluid bottle 17 is connected thereto by bolts. One side of the cutting fluid bottle 17 is designed with an outlet connected with the conduit 18. The conduit 18 is designed with a switch near the conduit of the cutting fluid bottle 17 for controlling the flow of cutting fluid, and the other end of the conduit 18 is inserted into the dust cover 19 and arranged near the V-shaped groove 21, the conduit is divided into two sections, the section near the V-shaped groove 21 is a ductile pipe which can adjust the position of the spray port according to the cutting requirement, and the section near the cutting fluid bottle 17 is fixed to one side of the gantry support structure, and the two sections of the conduit are screw-connected. The backflow groove 22 is located inside the dust cover and on the surface of the base 1, which is a groove machined on the surface of the base 1 and mainly facilitates the flow of cutting fluid, and the backflow groove is connected with the backflow pipe 23. The backflow pipe 23 is located on the outside of the base 1 and is a pipeline for the cutting fluid to flow back to the storage tank 24, one end of which is connected with the backflow groove 22 and the other end is connected with the storage tank 24. The storage tank 24 is located inside the base 1 and is a box which can be easily taken out, mainly for collecting used cutting fluid to realize the reuse of cutting fluid, and the cutting fluid is collected through the connection with the backflow pipe 23.

[0046] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form. Any person skilled in the art, without departing from the technical scheme of the present application, can make many possible changes and modifications to the technical scheme of the present application, or modify equivalent embodiments with equivalent changes. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technical scheme of the present application, without departing from the technical scheme of the present application, all belong to the protection scope of the present technical scheme.

Claims

1. A portable gantry dust-free sample cutting device, characterized in that, The main body support module comprises a base, and a gantry support structure is arranged on the base, wherein the gantry support structure comprises two vertical beams and a cross beam connected above the two vertical beams, a vertical groove is arranged on one side of the two vertical beams, a stand is arranged in the vertical groove, an auxiliary spring below and a sample cutting module above are sequentially sleeved on the stand, the sample cutting module comprises a cutting cross beam moving up and down along the stand and a motor penetrating through the cutting cross beam, a cutting tool is connected to an output shaft of the motor, a cutting groove is arranged on the base corresponding to the sample cutting module, and a clamping module for clamping or loosening the sample to be cut is rotatably connected below the cross beam.

2. The portable, gantry, dust-free sample cutting device of claim 1, wherein, A cross beam pressing rod fixing groove is arranged above the cutting cross beam, a cross beam pressing rod is arranged in the cross beam pressing rod fixing groove, and the cross beam pressing rod and the cross beam pressing rod fixing groove are buckled.

3. The portable gantry dust-free sample cutting device of claim 1, wherein, The cutting tool is provided with a cutting protection cover.

4. The portable, gantry, dust-free sample cutting apparatus of claim 1, wherein, The clamping module comprises a rotating shaft, an upper V-shaped clamping groove and a lower V-shaped clamping groove, the rotating shaft penetrates through the cross beam and is threadedly connected with the cross beam, the upper V-shaped clamping groove is downwardly open and fixedly arranged at the bottom of the rotating shaft, and the lower V-shaped clamping groove is fixedly arranged on the base corresponding to the upper V-shaped clamping groove.

5. The portable, gantry, dust-free sample cutting device of claim 4, wherein, A horizontal hole is arranged at the top of the rotating shaft, and a rotating horizontal rod is arranged in the horizontal hole to drive the rotating shaft to rotate.

6. The portable, gantry, dust-free sample cutting device of claim 4, wherein, The upper V-shaped clamping groove and the lower V-shaped clamping groove each comprise a base and a tooth disc, the base and the tooth disc are threadedly connected, and the bases of the upper V-shaped clamping groove and the lower V-shaped clamping groove are fixedly connected with the bottom of the rotating shaft and the base respectively.

7. The portable gantry dust-free sample cutting device of claim 1, wherein, The cutting groove is two V-shaped grooves symmetrically distributed along the short edge direction of the base, a dustproof module is arranged on the cutting groove, the dustproof module comprises a dustproof cover arranged on the cutting groove, a dustproof cover is detachably connected above the dustproof cover, the length of the dustproof cover is greater than the diameter of the cutting tool, an opening corresponding to the cutting groove is arranged at the top of the dustproof cover, and cutting openings for the sample to pass through are arranged on the front and back sides of the dustproof cover below the dustproof cover.

8. The portable gantry dust-free sample cutting device of claim 7, wherein, A cutting fluid bottle is arranged on one side of the cross beam, a conduit is connected to the outlet of the cutting fluid bottle, and the conduit penetrates into the dustproof cover and is close to the cutting groove.

9. The portable gantry dust-free sample cutting device of claim 8, wherein, A switch for controlling the flow of cutting fluid is arranged on the conduit close to the cutting fluid bottle, and the conduit close to the cutting groove is a flexible pipe.

10. The portable gantry dust-free sample cutting device of claim 7, wherein, A reflux groove is arranged in the dustproof cover, the reflux groove is a downwardly recessed groove on the upper surface of the base, the length and width of the reflux groove are greater than the length and width of the cutting groove and less than the length and width of the dustproof cover, and the reflux groove is in communication with a storage tank arranged in the base through a reflux pipe.

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