Automatic sample preparation device for rock element analysis

Abstract

The utility model discloses an automatic sample preparation device for rock element analysis, which comprises a pressing machine, a sample preparation module, an unpowered input device, an unpowered output device and a sample feeding manipulator, the pressing machine is arranged in a totally-enclosed structure machine body, the unpowered input device and the unpowered output device are arranged in parallel, and each of the unpowered input device and the unpowered output device comprises a chute body and a conveying roller; a conveying groove is formed in the chute body, a plurality of conveying rollers are laid at the bottom of the conveying groove, the conveying groove is obliquely arranged, the sample feeding manipulator comprises a clamping mechanism, a clamping motor, a steering engine and a lifting motor, and the sample preparation module comprises a forming part, a clamping part and a supporting disc; the sample preparation device is compact in structure, assembly line automatic operation of element tabletting is achieved through the sample feeding manipulator, the unpowered input device and the unpowered output device, tabletting work of multiple samples is rapidly and continuously completed, the unpowered input device and the unpowered output device conduct unpowered conveying, the improvement cost is low, the sample preparation module is used in cooperation, and the sample preparation efficiency is improved. And the sample loading efficiency and the tabletting efficiency of experimenters are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of press equipment, in particular to an automatic sample preparation device for rock element analysis. Background Art

[0002] Element logging technology is usually used for lithology judgment and layer card extraction, especially in the identification of special lithologies such as carbonate rock, gypsum rock, volcanic rock, etc. It has incomparable advantages over other methods, so it is widely used in oil and gas exploration sites; element analysis instruments are used in lithology identification work. Before element identification, rock samples need to be ground and pressed into cakes so that the element analysis instrument can perform subsequent identification work. The automatic sample preparation device for rock element analysis is used in the process of pressing powder into cakes.

[0003] At present, the sample preparation of rock powder is mostly done manually, and the specific operations are: 1. Fill the mold with rock powder; 2. Start the jack above the mold to press the rock powder into a cake; 3. Take out the mold manually; the tableting work is a manual single operation, the tableting work efficiency is extremely low, and the workload is large and the failure rate is high. In addition, the pressing pressure and pressing time depend on the on-site experience of the operator;

[0004] Therefore, in order to improve the tableting efficiency, it is necessary to design an automatic loading and unloading mechanism to partially reduce the intensity of manual operation. The tablet presses equipped with automatic loading and unloading mechanisms in the prior art are not suitable for continuous tableting of rock powder. Since the automatic sample preparation device for rock element analysis needs to be set up in a laboratory environment, for safety reasons, the tablet press is a closed structure and its floor space is limited. Most of the existing loading and unloading mechanisms are long-distance conveyor belts with power transmission, which occupy a large area and have high equipment modification investment costs, and are not suitable for tablet presses in laboratory environments. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic sample preparation device for rock element analysis, thereby overcoming one or more problems caused by limitations and defects of related technologies at least to a certain extent.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An automatic sample preparation device for rock element analysis includes a hydraulic press, the press includes a press body, a press support frame supporting the press body, and a sample placement seat located directly below the press head, the press is arranged in a fully enclosed body, an operation panel for setting the working parameters of the press is arranged on the front of the body, and an openable input door and an output door are arranged on one side of the body, the automatic sample preparation device for rock element analysis also includes a sample preparation module, a non-powered input device, a non-powered output device, and a sample delivery manipulator, the sample preparation module is filled with rock powder, and is used to cooperate with the non-powered input device and the non-powered output device to realize the input of powder to be pressed and the output of formed cakes; wherein,

[0008] The unpowered input device is inserted into the input door, and the unpowered output device is inserted into the output door. The unpowered input device and the unpowered output device are arranged in parallel, and both include a chute body and a conveying roller. The chute body is provided with a conveying trough, and the bottom of the conveying trough is composed of a plurality of conveying rollers laid along the trough width direction. The conveying trough is inclined so that the loading end of the unpowered input device is higher than its input end, and the output end of the unpowered output device is higher than its unloading end. The loading end and the unloading end are located outside the machine body, and the input end and the output end are symmetrically located on both sides of the sample placement seat and are both located inside the machine body.

[0009] The sample delivery manipulator is arranged on one side of the sample placement seat and is located on the symmetrical center line of the unpowered input device and the unpowered output device. The sample delivery manipulator includes a clamping mechanism, a clamping servo driving the clamping mechanism to clamp, a steering servo driving the clamping servo and the clamping mechanism to rotate synchronously, and a lifting servo driving the clamping mechanism, the clamping servo and the steering servo to lift synchronously.

[0010] The sample preparation module has a structure with large ends and a small middle, and includes a forming part constructed at the upper end, a clamping part in the middle and a supporting plate at the lower part. The diameter of the supporting plate is adapted to the groove width of the conveying groove and is larger than the outer diameter of the forming part. The clamping mechanism clamps the clamping part for transfer.

[0011] Furthermore, the clamping mechanism includes an active clamping jaw, a driven clamping jaw, a driving gear crank rod, a driven gear crank rod and a connecting rod. The active gear crank rod is driven by a clamping servo. The active gear crank rod and the driven gear crank rod are meshed and transmitted through the gear structure at the root of the two. The lengths of the active gear crank rod, the driven gear crank rod and the connecting rod are equal. One end of the active clamping jaw is hinged to the active gear crank rod, the middle part is hinged to the connecting rod, and the other end is provided with a clamping surface. The active clamping jaw, the active gear crank rod and the connecting rod constitute a parallelogram mechanism. Similarly, the driven clamping jaw, the driven gear crank rod and the connecting rod constitute a parallelogram mechanism.

[0012] Furthermore, the sample making module is a combined structure, which includes a base, a buffer pressure ring and a mold sleeve. The base includes a base column, a positioning ring platform and a support plate of an integrated structure. The support plate is located at the bottom of the base column. The positioning ring platform is used to position the forming part at the upper end of the base column. The buffer pressure ring is sleeved on the base column and clamped on the positioning ring platform. The mold sleeve is sleeved on the base column and its height position is positioned by the buffer pressure ring. The mold cavity of the forming part is constructed by the upper end surface of the base column and the inner hole wall of the mold sleeve.

[0013] Furthermore, the automatic sample preparation device for rock element analysis also includes a soot blowing fan arranged just above the output end, which is used to clean the floating dust on the sample preparation module and the formed cake.

[0014] Furthermore, the automatic sample preparation device for rock element analysis is also provided with a detection system, which includes a first in-place detection device for detecting that the sample preparation module on the input end is in place, a second in-place detection device for detecting that the sample preparation module on the sample placement seat is in place, and a third in-place detection device for detecting that the sample preparation module on the output end is in place. The first in-place detection device and the third in-place detection device feed back in-place signals to the sample delivery robot, and the second in-place detection device feeds back in-place signals to the press.

[0015] Furthermore, the press is arranged on a raised working base, two sockets are arranged on one side of the working base, and a positioning plate is arranged on the end face of the chute body inside the machine body. The positioning plate cooperates with the socket to locate the position of the unpowered input device and the unpowered output device.

[0016] Furthermore, a glass observation window is arranged on the machine body at a position opposite to the sample placement seat, and the glass observation window is located on the other side of the machine body.

[0017] Compared with the prior art, the automatic sample preparation device for rock element analysis of the utility model has the following beneficial effects:

[0018] 1. The overall structure of the automatic sample preparation device for rock element analysis is compact. By setting a sample delivery manipulator, a non-powered input device and a non-powered output device, it can realize the automatic operation of the element tableting line and quickly and continuously complete the tableting of multiple samples. The non-powered input device and the non-powered output device are non-powered conveyors with low modification costs. In combination with the sample preparation module, the sample loading efficiency and tableting efficiency of the experimenters are improved.

[0019] 2. The automatic sample preparation device for rock element analysis is a closed structure, which ensures the safety of operation. The unpowered input device and the unpowered output device are detachable structures, which are easy to transfer and store as a whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The three-dimensional structural diagram of the appearance of the automatic sample preparation device for rock element analysis is disclosed;

[0021] Figure 2 The internal three-dimensional structure diagram of the automatic sample preparation device for rock element analysis is disclosed;

[0022] Figure 3 for Figure 1 The three-dimensional structure diagram of the non-powered sample feeding device;

[0023] Figure 4 for Figure 1 The three-dimensional structure diagram of the sample delivery robot.

[0024] In the figure: 1, machine body; 11, operation panel; 12, start button; 13, conveying door cover; 14, glass observation window; 2, non-power input device; 21, chute body; 22, conveying roller; 23, positioning plug plate; 3, non-power output device; 4, sample preparation module; 41, base; 411, base column; 412, positioning ring platform; 413, support plate; 42, buffer pressure ring; 43, die sleeve; 5, press; 51, press Main body; 52, sample holder; 53, press support frame; 6, sample delivery manipulator; 61, lifting servo; 62, steering servo; 63, clamping servo; 64, clamping mechanism; 641, driving gear crank; 642, driving clamp; 643, driven clamp; 644, connecting rod; 645, driven gear crank; 7, first in-place detection device; 8, second in-place detection device; 9, third in-place detection device; 10, soot blowing fan. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only the best embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figure 1-Figure 4 The automatic sample preparation device for rock element analysis shown in the figure comprises a press 5, a sample preparation module 4, a non-powered input device 2, a non-powered output device 3 and a sample delivery manipulator 6. The press 5 adopts an existing hydraulic press 5, which comprises a press body 51, an adjustable four-column press support frame 53 and a sample placement seat 52 located directly below the pressure head of the press 5;

[0027] For safety reasons, the press 5 is arranged in a fully enclosed machine body 1, and an operation panel 11, a start button 12 and a controller thereof are arranged on the front of the machine body 1. Figure 1As shown, the pressing pressure and holding time of the press 5 can be set on the operation panel 11. In addition, in order to facilitate the experimenter to safely observe the molding progress, a glass observation window 14 is provided on the other side of the body 1 opposite to the position of the sample holder 52, and concave ear grooves are provided on the two side panels of the body 1 to facilitate lifting and transfer;

[0028] like Figure 2 As shown, the unpowered input device and the unpowered output device 3 are arranged in parallel on one side of the machine body 1, and are symmetrically arranged on both sides of the sample holder 52. Both of them pass through the input door and the output door arranged on the side of the machine body 1 to enter the inside of the machine body 1. The unpowered input device 2 and the unpowered output device 3 have the same structure, both of which include a chute body 21 and a conveying roller 22. The chute body 21 is provided with a conveying trough, and the bottom of the conveying trough is paved with a plurality of conveying rollers 22 along the trough width direction. In order to realize unpowered feeding, the bottom of the conveying trough has an inclination, wherein the conveying trough of the unpowered input device 2 has a feeding end higher than the input end, so that the sample preparation module 4 carrying rock powder can automatically slide from the feeding end outside the machine body 1 to the input end inside the machine body 1, and the output end of the unpowered output device 3 is higher than the unloading end, and the sample preparation module 4 placed at the output end automatically slides out of the machine body 1 to the unloading end outside the machine body 1.

[0029] In order to realize automatic loading of the sample preparation module 4 in the machine body 1 to the sample placement seat 52, a sample delivery manipulator 6 is arranged on one side of the sample placement seat 52, and the axis of the sample placement seat 52 is used as the loading fixed point of the sample delivery manipulator 6. During the installation test, it is necessary to debug to make the two completely consistent to ensure that the pressure head accurately falls into the mold cavity on the sample preparation module 4. The unpowered input device 2 and the unpowered output device 3 are symmetrically arranged about the symmetry center line therebetween, and the rotation center of the sample delivery manipulator 6 and the center of the sample placement seat 52 are located on the symmetry center line; the sample delivery manipulator 6 specifically includes a clamping mechanism 64, a clamping servo 63 for driving the clamping mechanism 64 to clamp, and a driving clamping servo 64 for driving the clamping servo 64 to clamp. The steering servo 62 that rotates synchronously with the servo 63 and the clamping mechanism 64, and the lifting servo 61 that drives the clamping mechanism 64, the clamping servo 63 and the steering servo 62 to rise and fall synchronously, the sample delivery manipulator 6 is connected to the controller, and according to the preset program, its travel points include the input end, the sample placement seat 52 and the output end, and the sample preparation module 4 is sequentially transferred between the three travel points through the steering servo 62. At the same time, the sample delivery manipulator 6, driven by the lifting servo 61, moves upward to take the sample preparation module 4 out of the conveying trough when taking materials at the input end, moves downward to complete the placement when the sample placement seat 52 discharges materials, and moves downward to put the sample preparation module 4 into the conveying trough when unloading materials at the output end;

[0030] Among them, the sample making module 4 is equipped with the unpowered input device 2 and the unpowered output device 3. The sample making module 4 is used to load rock powder and serve as a mold for molding by the press 5. After the cake sheet is pressed into shape, it is necessary to demold it to obtain the element tablet. Since the sample making modules 4 in the conveying trough are closely arranged, in order to facilitate clamping, the sample making module 4 has a large structure at both ends and a small structure in the middle. The clamping mechanism 64 can be transferred by clamping the middle part. Specifically, the sample making module 4 includes a forming part constructed at the upper end, a clamping part in the middle and a support plate 413 at the lower part. The disk diameter of the support plate 413 is adapted to the trough width of the conveying trough and is larger than the outer diameter of the forming part to maintain the stability of the tilting and sliding of the sample making module 4.

[0031] In this embodiment, since the sample preparation module 4 and the sample delivery manipulator 6 are located at the same level and the sample preparation module 4 is closely arranged, the clamping mechanism 64 needs to have a forward movement when taking the material. Figure 4 As shown in the figure, as a specific implementation structure of the clamping mechanism 64, it includes an active clamping jaw 642, a driven clamping jaw 643, an active gear crank rod 641, a driven gear crank rod 645 and a connecting rod 644. The active gear crank rod 641 is driven by the clamping steering gear 63. The roots of the active gear crank rod 641 and the driven gear crank rod 645 have a partial gear structure, and the ends of the two are respectively hinged to the connecting rod 644. The active gear crank rod 641 transmits the clamping action to the driven gear crank rod 645 through the gear structure. In order to realize the composite action of extending and clamping the active clamping jaw 642 and the driven clamping jaw 643, the active gear crank rod 641 is connected to the driven gear crank rod 645 by the gear structure. The clamping jaw 642, the driving gear crank rod 641 and the connecting rod 644 constitute a parallelogram mechanism. Similarly, the driven clamping jaw 643, the driven gear crank rod 645 and the connecting rod 644 constitute a parallelogram mechanism. Specifically, the driving gear crank rod 641, the driven gear crank rod 645 and the connecting rod 644 are of equal length. One end of the driving clamping jaw 642 is hinged to the driving gear crank rod 641, and one end of the driven clamping jaw 643 is hinged to the driven gear crank rod 645. The middle parts of the driving clamping jaw 642 and the driven clamping jaw 643 are respectively hinged to their respective connecting rods 644, and the opposite surfaces of the other ends of the two are clamping surfaces.

[0032] In this embodiment, as a further technical solution, in order to achieve rapid demoulding, the loading amount of rock powder is adjusted according to experimental needs, such as Figure 3As shown, the sample preparation module 4 is a combined structure, which includes a base 41, a buffer pressure ring 42 and a mold sleeve 43. The middle part of the base 41 is a clamping part, and the upper end of the base 41 and the mold sleeve 43 are jointly constructed to form a forming part. Specifically, the base 41 includes a base column 411, a positioning ring platform 412 and a support plate 413 of an integrated structure. The support plate 413 serves as the bottom plate of the base column 411. The positioning ring platform 412 is a circle of boss structure formed on the upper part of the base column 411, which is used to support the position of the buffer pressure ring 42. The mold sleeve 43 transitionally cooperates with the upper cylindrical surface of the base column 411. When combined, the buffer pressure ring 42 and the mold sleeve 43 are both sleeved on the base column 411, and the mold sleeve 43 is stacked on the buffer pressure ring 42. The mold cavity of the forming part is formed by the upper end surface of the base column 411 and the mold sleeve 4 3 The inner hole wall is constructed and formed. By replacing different buffer pressure rings 42, the inner hole height in the mold sleeve 43 that is higher than the upper end surface of the base column 411 can be adjusted, thereby adjusting the height of the cylindrical mold cavity and controlling the amount of rock powder loaded. When demolding, it is easy to remove the buffer pressure ring 42 and the mold sleeve 43 on the base column 411. The mold sleeve 43 can also be directly used as a sample carrier for the element analysis cake slices in the next sequence. Therefore, the mold sleeve 43 with the built-in formed cake slices is removed and directly transferred to the element analyzer in the next sequence for element analysis. Of course, if an independent formed cake slice is required, the sample preparation module 4 can also be quickly and conveniently demolded, the buffer pressure ring 42 is removed, and the mold sleeve 43 with the formed cake slice is separately inserted into the base column 411, and the formed cake slice is evenly pushed out by using the base column 411 to complete demolding.

[0033] In this embodiment, as a further technical solution, Figure 2 As shown, in order to further realize the automated operation, the automatic sample preparation device for rock element analysis is also provided with a detection system and a full position alarm. The detection system includes a first in-place detection device 7 for detecting that the sample preparation module 4 on the input end is in place, a second in-place detection device 8 for detecting that the sample preparation module 4 on the sample holder 52 is in place, and a third in-place detection device 9 for detecting that the sample preparation module 4 on the sample holder 52 is in place at the output end. The first in-place detection device 7, the second in-place detection device 8 and the third in-place detection device 9 all adopt inductive in-place detection sensors and are all connected to the controller. When the first in-place detection device 7 detects that there is a sample preparation module 4 at the input end of the conveying trough, , transmits the arrival signal to the controller, and the controller feeds back to the sample sending robot 6 for sampling according to the working condition of the press 5. The second arrival detection device 8 transmits the arrival signal to the press 5, and the controller feeds back to the press 5 for molding. When the sample making module 4 is transferred to the output end and in place, the third arrival detection device 9 is triggered to send an arrival signal to the sample sending robot 6, and the clamping mechanism 64 of the sample sending robot 6 opens to complete the material placement. When the conveying trough of the unpowered output device 3 is full of sample making modules 4, the third arrival detection device 9 detects that there is a sample making module 4 at the output end within a certain period of time, and then sends a full position signal to the full position alarm to remind the unloading.

[0034] In the present embodiment, as a further technical solution, since the automatic sample preparation device for rock element analysis will produce floating powder flying out during powder pressing, the floating powder will affect the surface analysis and identification of the element pressed tablets, and will also increase the difficulty of demolding the sample preparation module 4. A soot blowing fan 10 is arranged directly above the output end of the conveying trough to clean the floating powder on the sample preparation module 4 and the formed cake slices at the moment of unloading by the sample delivery robot 6.

[0035] In this embodiment, as a further technical solution, in order to facilitate the storage and transfer of the automatic sample preparation device for rock element analysis when the machine is stopped, the unpowered input device 2 and the unpowered output device 3 are independent modules that can be combined, such as Figure 2-Figure 3 As shown, the two chute bodies 21 are configured as a detachable structure so as to close the conveying door cover 13 on the input door and the output door, and two sockets are arranged on the side of the working base of the press 5. The positions of the sockets are designed according to the travel trajectory of the sample delivery robot 6. A positioning plate 23 is arranged on the end face of the chute body 21, and the end face extends into the body 1 and cooperates with the socket through the positioning plate 23 to position and connect the chute body 21 of the unpowered input device 2 and the unpowered output device 3.

[0036] The directional words such as "inside", "outside", "upper", "lower", "side", and "end" mentioned in this article are based on Figure 1-Figure 4 The coordinates or orientations shown in . These terms are mainly used to better describe the utility model and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation;

[0037] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the terms "on" and "inside" may also be used to express a certain dependency or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in this utility model can be understood according to specific circumstances.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic sample preparation device for rock element analysis, comprising a hydraulic press, the press comprising a press body, a press support frame supporting the press body, and a sample holder located directly below the press head, characterized in that: The press is arranged in a fully enclosed body, an operation panel for presetting the working parameters of the press is arranged on the front of the body, an input door and an output door are arranged on one side of the body, the automatic sample preparation device for rock element analysis also includes a sample preparation module, a non-powered input device, a non-powered output device and a sample delivery manipulator, the sample preparation module is filled with rock powder, and is used to cooperate with the non-powered input device and the non-powered output device to realize the input of the powder to be pressed and the output of the formed cake slices; wherein, The unpowered input device is inserted into the input door, and the unpowered output device is inserted into the output door. The unpowered input device and the unpowered output device are arranged in parallel, and both include a chute body and a conveying roller. The chute body is provided with a conveying trough, and the bottom of the conveying trough is composed of a plurality of conveying rollers laid along the trough width direction. The conveying trough is arranged obliquely, so that the loading end of the unpowered input device is higher than its input end, and the output end of the unpowered output device is higher than its unloading end. The loading end and the unloading end are located outside the body, and the input end and the output end are symmetrically located on both sides of the sample placement seat and are both located inside the body. The sample delivery manipulator is arranged on one side of the sample placement seat and is located on the symmetric center line of the unpowered input device and the unpowered output device. The sample delivery manipulator includes a clamping mechanism, a clamping servo driving the clamping mechanism to clamp, a steering servo driving the clamping servo and the clamping mechanism to rotate synchronously, and a lifting servo driving the clamping mechanism, the clamping servo and the steering servo to lift synchronously; The sample preparation module has a structure with large ends and a small middle, and includes a forming part at the upper end, a clamping part in the middle and a supporting plate at the lower end. The diameter of the supporting plate is adapted to the groove width of the conveying groove and is larger than the outer diameter of the forming part. The clamping mechanism clamps the clamping part for transfer.

2. The automatic sample preparation device for rock element analysis according to claim 1 is characterized in that: The clamping mechanism includes an active clamp, a driven clamp, a driving gear crank rod, a driven gear crank rod and a connecting rod. The active gear crank rod is driven by the clamping servo. The active gear crank rod and the driven gear crank rod are meshed and transmitted through the gear structure at the root of the two. The lengths of the active gear crank rod, the driven gear crank rod and the connecting rod are equal. One end of the active clamp is hinged to the active gear crank rod, the middle part is hinged to the connecting rod, and the other end is provided with a clamping surface. The active clamp, the active gear crank rod and the connecting rod constitute a parallelogram mechanism. Similarly, the driven clamp, the driven gear crank rod and the connecting rod constitute a parallelogram mechanism.

3. The automatic sample preparation device for rock element analysis according to claim 2 is characterized in that: The sample preparation module is a combined structure, which includes a base, a buffer pressure ring and a mold sleeve. The base includes a base column, a positioning ring platform and the support plate of an integrated structure. The support plate is located at the bottom of the base column. The positioning ring platform is used to install the forming part at the upper end of the base column. The buffer pressure ring is sleeved on the base column and clamped on the positioning ring platform. The mold sleeve is sleeved on the base column and its height position is positioned by the buffer pressure ring. The mold cavity of the forming part is constructed by the upper end surface of the base column and the inner hole wall of the mold sleeve.

4. The automatic sample preparation device for rock element analysis according to claim 3 is characterized in that: The automatic sample preparation device for rock element analysis also includes a dust blowing fan arranged just above the output end, which is used to clean the floating dust on the sample preparation module and the formed cake.

5. The automatic sample preparation device for rock element analysis according to claim 1 is characterized in that: The automatic sample preparation device for rock element analysis is also provided with a detection system, which includes a first in-place detection device for detecting that the sample preparation module on the input end is in place, a second in-place detection device for detecting that the sample preparation module on the sample placement seat is in place, and a third in-place detection device for detecting that the sample preparation module on the output end is in place, the first in-place detection device and the third in-place detection device feed back in-place signals to the sample delivery robot, and the second in-place detection device feeds back in-place signals to the press.

6. The automatic sample preparation device for rock element analysis according to claim 1 is characterized in that: The press is arranged on a raised working base, two sockets are arranged on the side of the working base, and a positioning plug plate is arranged on the end surface of the chute body in the machine body. The positioning plug plate cooperates with the socket to locate the positions of the unpowered input device and the unpowered output device.

7. The automatic sample preparation device for rock element analysis according to claim 1 is characterized in that: A glass observation window is arranged on the machine body at a position corresponding to the sample placement seat, and the glass observation window is located at the other side of the machine body.

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