A sand mold printing device for rock samples

Abstract

This application relates to the field of molding sand printing, and more particularly to a sand mold printing apparatus for rock samples, comprising: a chassis; a sand feeding component disposed on one side of the chassis for pushing molding sand onto the upper surface of the chassis; a powder spreading bed vertically and liftably disposed within the chassis on one side corresponding to the sand feeding component; a sand spreading roller movably disposed on the upper surface of the chassis along the arrangement direction of the sand feeding component and the powder spreading bed for pushing molding sand onto the upper side of the powder spreading bed; a glue spray head horizontally and longitudinally movable above the chassis, the glue spray head including multiple glue nozzles; and multiple glue tanks disposed on one side of the chassis, corresponding to each glue nozzle, each glue tank for supplying glue adhesive to each glue nozzle. This application has the effect of improving the efficiency when printing a sand mold using multiple adhesives.

Description

Technical Field

[0001] This application relates to the field of sand printing, and more particularly to a sand printing apparatus for rock samples. Background Technology

[0002] Sand molding is a type of 3D printing technology. Sand molding machines stack sand layer by layer, then spray resin (such as cold-forming furan resin or phenolic resin) through nozzles according to the shape of the part's cross-section, binding the sand together to create extremely complex and precise models. This greatly improves automation and precision, significantly shortens the process cycle, and reduces manufacturing costs.

[0003] The sand molding printing device can print different types of products depending on the type of molding sand. However, the inventors found that when using it to print rock samples, since the actual rock generally has different properties depending on the different layers, a variety of different molding sands are required for printing rock samples.

[0004] In this process, different molding sands require different binders. However, when changing the binder, it is necessary to completely clean the previous binder from the nozzle before filling in the second binder and continuing the work. This makes the process cumbersome and inefficient when multiple binders are needed to process a single sand mold. Summary of the Invention

[0005] To improve efficiency when printing a sand mold using multiple binders, this application provides a sand mold printing apparatus for rock samples.

[0006] Firstly, the sand-applying component provided in this application adopts the following technical solution:

[0007] A sanding component, comprising:

[0008] Chassis;

[0009] The sand feeding component, located on one side of the chassis, is used to push molding sand onto the upper surface of the chassis;

[0010] The powder spreading bed is vertically and can be raised and lowered, located on one side of the machine housing corresponding to the sand-laying component;

[0011] The sand spreading roller is movably mounted on the upper surface of the machine casing along the arrangement direction of the sand spreading component and the powder spreading bed, and is used to push the molding sand onto the upper side of the powder spreading bed;

[0012] A glue spray head is positioned above the chassis and can be moved horizontally and vertically. The glue spray head includes multiple glue nozzles.

[0013] Multiple adhesive tanks are located on one side of the chassis, corresponding to each adhesive nozzle. Each adhesive tank is used to supply adhesive to each adhesive nozzle.

[0014] By adopting the above technical solution, the spray head with multiple nozzles moves horizontally and vertically on the upper side of the machine box. It can spray the adhesive of the preset pattern onto the powder bed according to the preset pattern. When the sand spreading roller pushes the molding sand onto the powder bed, the adhesive can bond and fix the molding sand. When different adhesives are required, the combination of multiple nozzles and multiple liquid cylinders allows the machine to be changed without stopping, thus improving the efficiency when printing a sand mold using multiple adhesives.

[0015] Optionally, the glue spray head is vertically and liftably mounted above the chassis;

[0016] The upper surface of the chassis is formed with an anti-corrosion waste liquid tank, and the upper side of the anti-corrosion waste liquid tank is formed with a sealing port that can seal the insertion of the spray nozzle.

[0017] By adopting the above technical solution, after the spray nozzle finishes its work, it can be moved to the anti-corrosion waste liquid tank and then vertically inserted into the sealed socket to spray out the residual waste liquid in the spray nozzle, thus avoiding residual glue in the spray nozzle, achieving maintenance of the spray nozzle, and facilitating subsequent continuous work.

[0018] Optionally, the anti-corrosion waste liquid tank is equipped with a steam generating device for generating steam;

[0019] The anti-corrosion waste liquid tank is also equipped with a scraper that can move horizontally, used to scrape off the adhesive liquid at the lower end of the spray nozzle.

[0020] By adopting the above technical solution, after the work is finished, the steam generating device can generate high-temperature steam, which loosens the adhesive adhering to the outside of the spray nozzle. Then, the adhesive adhering to the lower end of the spray nozzle can be removed by the horizontal movement of the scraper.

[0021] Optionally, the casing is provided with a sand-pouring slope on the side opposite to the sand-pouring component and the powder-spreading bed, and the sand-pouring slope is inclined upward in the direction opposite to each other.

[0022] By adopting the above technical solution, when the sand spreading roller moves and pushes the molding sand pushed out by the sand feeding component to the powder spreading bed, the excess molding sand can be sent to the sand pouring slope. When the sand spreading roller retracts, some molding sand driven by the sand spreading roller will also be sent to the sand pouring slope. The molding sand on the two sand pouring slopes can fall back to the sand feeding component and the powder spreading bed by its own weight, avoiding the molding sand from scattering and being wasted.

[0023] Optionally, a trough is provided on the upper surface of the chassis corresponding to the position of the powder spreading bed;

[0024] A sand frame is vertically installed on the lower side of the corresponding container of the chassis, and the powder spreading bed slides vertically within the sand frame;

[0025] A lifting cylinder is vertically fixed on the lower side of the corresponding sand frame of the machine box, which is used to drive the powder spreading bed to move.

[0026] By adopting the above technical solution, during operation, the push cylinder pushes the powder spreading bed vertically to a position slightly below the upper surface of the machine casing. Then, the adhesive is sprayed onto the powder spreading bed through the spray head, and the sand spreading roller spreads the molding sand onto the powder spreading bed. Then, the push cylinder can drive the powder spreading bed to move downwards by one layer of molding sand thickness. The process of spraying adhesive and spreading sand can be repeated, thus making it easy to print the sand-bearing box.

[0027] Optionally, a slide is horizontally fixed to the lower side of the chassis corresponding to the sand frame;

[0028] Both the sand frame and the powder spreading bed are placed on the upper side of the slide frame;

[0029] The telescopic rod of the lifting cylinder passes through the slide and can abut against the underside of the powder spreading bed;

[0030] The slide is equipped with a horizontal conveying component for conveying the powder bed and sand ore to one side of the container.

[0031] By adopting the above technical solution, as the sand mold is printed, the lifting cylinder will drive the powder spreading bed to move gradually downward along the sand frame. After the sand mold is printed and formed, the powder spreading bed will descend to the bottom of the sand frame. At this time, the sand frame and the powder spreading bed will simultaneously abut against the carriage. Then, the horizontal conveying component will drive the sand frame and the powder spreading bed to move synchronously to one side of the container, wait for the sand mold to solidify, and place another sand frame and the powder spreading bed on the lower side of the corresponding container in the machine box to continue printing the sand mold. In this way, continuous operation of sand mold printing can be realized.

[0032] Optionally, a maintenance box is provided in the middle of the carriage.

[0033] By adopting the above technical solution, the movement of the horizontal conveying component will cause the printed molding sand to be sent to the curing box along with the sand frame and the powder spreading bed to accelerate the fixing of the sand mold. After the sand mold is cured, the cured sand mold will be sent out of the curing box along with the sand frame and the powder spreading bed.

[0034] Optionally, a sand collection box is provided below the outlet side of the curing box on the carriage, and the upper end of the sand collection box is open;

[0035] The slide is also vertically fixed with a discharge cylinder on the side corresponding to the discharge port of the curing box, which is used to push the powder spreading bed to move upward.

[0036] By adopting the above technical solution, after the horizontal conveying component pushes the cured sand mold, sand frame and powder bed out of the curing box, the discharge cylinder pushes the powder bed to move upward, which can drive the cured sand mold to move upward. As the powder bed moves upward, the uncured molding sand on the powder bed will gradually fall into the sand collection box, thereby realizing that most of the molding sand is peeled off from the fixed sand mold, which is convenient for cleaning the cured sand mold.

[0037] In summary, this application includes at least one of the following beneficial technical effects:

[0038] 1. The spray head with multiple nozzles moves horizontally and vertically on the upper side of the machine box. It can spray the adhesive of the preset pattern onto the powder bed according to the preset pattern. When the sand spreading roller pushes the molding sand onto the powder bed, the adhesive can bond and fix the molding sand. When different adhesives are required, the combination of multiple nozzles and multiple liquid cylinders allows the machine to be changed without stopping the machine, which improves the efficiency when printing a sand mold using multiple adhesives.

[0039] 2. After the spray nozzle finishes its work, it can be moved to the anti-corrosion waste liquid tank and then vertically inserted into the sealed socket to spray out the residual waste liquid in the nozzle, thus avoiding residual glue in the nozzle, achieving nozzle maintenance, and facilitating subsequent continuous work. Attached Figure Description

[0040] Figure 1 This is a schematic diagram of the sand mold printing device in Embodiment 1 of this application;

[0041] Figure 2 This is a schematic diagram of the sand feeding component of the sand mold printing device in Embodiment 1 of this application;

[0042] Figure 3 This is a schematic diagram of the structure of the supporting component of the sand mold printing device in Embodiment 1 of this application;

[0043] Figure 4 yes Figure 3 Enlarged diagram of section A in the middle;

[0044] Figure 5 This is a schematic diagram of the sand mold printing device in Embodiment 2 of this application;

[0045] Figure 6 This is a schematic diagram of the curing box structure of the sand mold printing device in Embodiment 2 of this application.

[0046] Explanation of reference numerals in the attached diagram: 1. Chassis; 11. Sand outlet; 12. Tank; 13. Sand pouring slope; 2. Sand feeding component; 21. Sand receiving box; 22. Sand pushing plate; 23. Sand pushing cylinder; 3. Bearing component; 31. Sand frame; 32. Powder spreading bed; 33. Lifting cylinder; 4. Sand spreading component; 41. Sand spreading roller; 42. Guide rail; 43. Slide seat; 44. Guide gear; 45. Reciprocating motor; 5. Glue spraying component; 51. Horizontal rail; 52. Longitudinal rail; 53. Slide table; 54. Lifting cylinder; 55. Spraying... 551. Glue nozzle; 56. Glue tank; 57. Glue hose; 6. Corrosion-resistant waste liquid tank; 61. Drain pipe; 62. Sealing socket; 63. Steam generator; 74. Water inlet pipe; 64. Scraper; 641. Telescopic cylinder; 75. Slide frame; 71. Horizontal conveying component; 711. First conveying roller; 712. First conveyor belt; 713. Second conveying roller; 714. Second conveyor belt; 72. Clearing port; 73. Discharge cylinder; 74. Sand collection box; 8. Curing box; 81. Free roller. Detailed Implementation

[0047] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0048] This application discloses a sand mold printing device for rock samples.

[0049] Reference Figure 1 and Figure 2 A sand mold printing device for rock samples includes a housing 1, which is generally rectangular in shape.

[0050] Reference Figure 1 and Figure 2 The housing 1 is equipped with a sand-applying component 2, a bearing component 3, a sand-laying component 4, and an adhesive-spraying component 5. During operation, the adhesive-spraying component 5 sprays adhesive onto the upper side of the bearing component 3 according to a preset pattern. The sand-applying component 2 is used to push the molding sand to the upper side protruding from the housing 1. The sand-laying component 4 is used to push the molding sand protruding from the upper side of the housing 1 to the bearing component 3. The bearing component 3 is used to support the sand mold bonded by the adhesive.

[0051] Reference Figure 2 Specifically, the sand-feeding component 2 includes a sand-receiving box 21 vertically fixed to one end of the length direction of the housing 1. The housing 1 has a sand outlet 11 formed at the upper end of the sand-receiving box 21. The upper end of the sand-receiving box 21 is open and connected to the sand outlet 11. A sand-pushing plate 22 is horizontally arranged on the inner bottom surface of the sand-receiving box 21. The side of the sand-pushing plate 22 abuts against the sand-receiving box 21, and the sand-pushing plate 22 can move vertically inside the sand-receiving box 21. A sand-pushing cylinder 23 is also fixed to the lower side of the housing 1 corresponding to the sand-receiving box 21. The telescopic rod of the sand-pushing cylinder 23 passes through the bottom of the sand-receiving box 21 and is connected to the sand-pushing plate 22.

[0052] When in use, the molding sand is placed in the sand receiving box 21. When sand needs to be added, the sand pushing cylinder 23 drives the sand pushing plate 22 to move vertically, which can push the molding sand in the sand receiving box 21 upward from the sand pushing plate 22, thereby pushing the molding sand out of the sand outlet 11 of the sand receiving box 21 and completing the sand adding process.

[0053] Reference Figure 3 The supporting component 3 is located at the other end of the length direction of the casing 1. A vertically oriented trough 12 is provided on the upper surface of the casing 1 corresponding to the position of the molding sand supporting component 3. The molding sand supporting component 3 includes a sand frame 31 fixed below the trough 12 and vertically arranged. The dimensions of the sand frame 31 are the same as those of the trough 12. Both the upper and lower ends of the sand frame 31 are open. A powder spreading bed 32 is horizontally arranged on the lower side of the sand frame 31. The sidewall of the powder spreading bed 32 can abut against the inner sidewall of the sand frame 31. A lifting cylinder 33 is fixed on the lower side of the casing 1 corresponding to the powder spreading bed 32. The lifting cylinder 33 is vertically arranged, and its extension rod can abut against the powder spreading bed 32. During operation, the lifting cylinder 33 drives the extension rod to extend, which pushes the powder spreading bed 32 vertically along the sand frame 31 until the upper side of the powder spreading bed 32 is slightly lower than the upper side of the casing 1.

[0054] Reference Figure 1 The sand-spreading component 4 includes a sand-spreading roller 41, which is horizontally positioned on the upper side of the housing 1. The axial direction of the sand-spreading roller 41 is the same as the width direction of the housing 1, and the lower side of the sand-spreading roller 41 abuts against the upper surface of the housing 1. Guide rails 42 are fixed on both sides of the upper surface of the housing 1, and the two ends of the guide rails 42 extend to the side where the sand outlet 11 and the receiving trough 12 are opposite to each other.

[0055] Reference Figure 1 Both ends of the sand-spreading roller 41 are fixed with slide blocks 43, and both slide blocks 43 are slidably connected to the guide rail 42. On the machine housing 1, a guide rack (not shown in the figure) is fixed along the guide rail 42 on one side corresponding to the guide rail 42. A guide gear 44 is also rotatably provided on one slide block 43 corresponding to the guide rack. The guide gear 44 meshes with the guide rack, and a reciprocating motor 45 for driving the guide gear 44 to rotate is also fixed on the slide block 43.

[0056] Reference Figure 1 During operation, the reciprocating motor 45 drives the guide gear 44 to rotate. Through the meshing of the guide gear 44 and the guide rack, the slide 43 is driven to reciprocate along the guide rail 42, thereby driving the sand spreading roller 41 to reciprocate between the sand outlet 11 and the container 12. Furthermore, when the molding sand on the uppermost side of the sand receiving box 21 is pushed out of the sand outlet 11 to the upper side of the machine box 1 by the sand feeding component 2, the sand spreading roller 41 moves from the side of the container 12 away from the powder spreading bed 32 toward the powder spreading bed 32, thereby pushing the molding sand on the upper side of the container 12 to the powder spreading bed 32 and spreading the molding sand evenly.

[0057] Reference Figure 1 Figure 2 Furthermore, the side of the housing 1 corresponding to the sand outlet 11 and the container 12 that are opposite to each other tends to be inclined upwards in the direction of separation and form a sand-returning slope 13. In this way, when the sand spreading roller 41 moves back and forth, as the sand spreading roller 41 moves, the excess molding sand will be pushed onto the sand-returning slope 13 on both sides of the powder spreading bed 32 and the sand feeding component 2. When the sand spreading roller 41 leaves the position of the two sand-returning slopes 13, the molding sand will automatically fall back to the sand outlet 11 and the container 12 by its own weight to avoid the molding sand from scattering and being wasted.

[0058] Reference Figure 3 The glue spraying component 5 includes a horizontal rail 51 fixed to the upper side of the housing 1, the length direction of the horizontal rail 51 being the same as the length direction of the housing 1. A horizontally arranged longitudinal rail 52 slides along the length direction of the horizontal rail 51, the length direction of the longitudinal rail 52 being perpendicular to the length direction of the horizontal rail 51. A horizontally arranged slide table 53 slides along the length direction of the longitudinal rail 52, and a lifting cylinder 54 is vertically fixed on the slide table 53. A glue spraying head 55 is fixed to the telescopic rod of the lifting cylinder 54. A first driving component for driving the longitudinal rail 52 to move is fixed to the horizontal rail 51, and a second driving component for driving the horizontal rail 51 to move is fixed to the longitudinal rail 52. Both the first driving component and the second driving component can be implemented by a horizontal push cylinder.

[0059] Reference Figure 3 The glue spray head 55 is fixed with three glue spray nozzles 551, and multiple glue tanks 56 are also fixed on one side of the chassis 1. Each glue tank 56 is connected to the glue spray nozzle 551 with a glue tube 57. In this way, when it is necessary to change different adhesives to bond different molding sands, different glue tanks 56 and glue spray nozzles 551 can be replaced to spray glue on the molding sand. There is no need to frequently clean and replace the glue spray nozzles 551, which can be effectively applied to printing different molding sands.

[0060] In summary, when printing sand molds, the powder bed 32 first rises slightly below the upper side of the chassis 1. The adhesive nozzle 55 drives the adhesive spray head 55 to move, spraying adhesive onto the upper side of the powder bed 32 according to the preset pattern. The sand feeding component 2 pushes the uppermost molding sand of the sand receiving box 21 to protrude above the chassis 1. Then, the sand spreading roller 41 pushes the molding sand towards the powder bed 32, laying it on the upper side of the powder bed 32. At this point, the adhesive-coated portion of the powder bed 32 can bond and solidify with the molding sand. At this point, the bottom layer of the sand mold is complete. Then, the sand spreading roller 41 retracts, and the adhesive spraying component 5 sprays adhesive onto the sand laid on the powder spreading bed 32 according to the pattern slice of the next layer. Then, the powder spreading bed 32 descends to the height of one layer of sand mold, ensuring that the sand mold on the upper side of the powder spreading bed 32 descends to the height of one layer of molding sand simultaneously. The sand feeding component 2 continues to move upward, pushing the molding sand out of the upper side of the machine box 1 again. Then, the sand spreading roller 41 moves again to achieve the bonding of one layer of sand mold on the powder spreading bed 32. In this way, the printing of the required sand mold can be achieved by repeating the process continuously.

[0061] When printing with different molding sand, simply continue printing by spraying glue onto the molding sand through another glue nozzle 551; there is no need to stop the machine to clean the glue nozzle 551.

[0062] Reference Figure 4 On the upper surface of the chassis 1, corresponding to the side of the powder bed 32, an anti-corrosion waste liquid tank 6 is formed. The anti-corrosion waste liquid tank 6 can be made of corrosion-resistant materials such as ceramics. The lower end of the anti-corrosion waste liquid tank 6 is connected to a drain pipe 61 for discharging the waste liquid flowing down from the anti-corrosion waste liquid tank 6. A sealing socket 62 is formed on the upper side of the anti-corrosion waste liquid tank 6. After the work is finished, the spray nozzle 55 is moved to the upper side of the anti-corrosion waste liquid tank 6 by the slide table 53. Then, the spray nozzle 55 is moved downward by the lifting cylinder 54, so that the spray nozzle 55 can be inserted into the sealing socket 62. At this time, each spray nozzle 551 can be located in the anti-corrosion waste liquid tank 6. Then, the residual waste liquid in the spray nozzle 551 is sprayed out, so that the residual glue in the spray nozzle 551 is sprayed into the anti-corrosion waste liquid tank 6, realizing the maintenance of the spray nozzle 551 and preventing the glue sprayed from the spray nozzle 551 from splashing onto the surface of the chassis 1.

[0063] Reference Figure 4The anti-corrosion waste liquid tank 6 is also equipped with a steam generating device 63. A water inlet pipe (not shown in the figure) extending from one side of the steam generating device 63 for connecting to a water source is fixed to the anti-corrosion waste liquid tank 6. A scraper 64 is slidably connected along the length of the anti-corrosion waste liquid tank 6, and a telescopic cylinder 641 capable of pushing the scraper 64 is also fixed inside the anti-corrosion waste liquid tank 6. When the spray nozzle 55 is inserted into the anti-corrosion waste liquid tank 6 and sprays out residual adhesive, the steam generating device 63 generates high-temperature steam, thereby loosening the residual cured adhesive adhering to the outside of the spray nozzle 551. Then, the horizontal movement of the scraper 64 removes the adhesive adhering to the lower end of the spray nozzle 551.

[0064] Example 2, a sand mold printing device for rock samples, differs from the example in that:

[0065] Reference Figure 5 and Figure 6 A horizontally arranged slide 7 is fixed along the length of the lower side of the corresponding trough 12 in the machine housing 1. The width of the slide 7 is the same as the width of the sand receiving box 21. The sand frame 31 is vertically arranged on the upper side of the conveyor belt of the slide 7, and the upper end of the sand frame 31 is separate from the lower side of the trough 12 in the machine housing 1. The telescopic rod of the lifting cylinder 33 passes through the slide 7 and extends into the sand frame 31 below the trough 12, and can abut against the lower side of the powder spreading bed 32.

[0066] Reference Figure 5 and Figure 6 A curing box 8 is fixed at the middle of the slide 7 along its length. The curing box 8 can be an oven. The inlet of the curing box 8 faces the end of the slide 7 near the trough 12, and the outlet of the curing box 8 faces the end of the slide 7 away from the trough 12. Multiple free rollers 81 are provided on the bottom surface of the curing box 8 to convey the sand frame 31 from the inlet to the outlet. A horizontal conveying component 71 is provided on the slide 7 along its length. In this embodiment, the horizontal conveying component 71 adopts a two-belt conveying mechanism. Specifically, the front end of the slide 7 and the feed inlet of the curing box 8 are rotatably equipped with first conveying rollers 711, and two parallel first conveying belts 712 are sleeved on the two first conveying rollers 711. The end of the slide 7 and the discharge outlet of the curing box 8 are rotatably equipped with second conveying rollers 713, and two parallel second conveying belts 714 are sleeved on the two second conveying rollers 713. One end of the slide 7 corresponding to one first conveying roller 711 and one second conveying roller 713 is driven by a motor, which can drive the first conveying roller 711 and the second conveying roller 713 to rotate, thereby realizing the rotation of the first conveying belt 712 and the second conveying belt 714.

[0067] Reference Figure 5 and Figure 6A discharge cylinder 73 is vertically fixed below the end of the slide 7 away from the sand outlet 11. The telescopic rod of the discharge cylinder 73 is set upward and can pass through the upper side of the slide 7. A sand collection box 74 is also provided on the lower side of the slide 7. The upper end of the sand collection box 74 is open, and the width of the upper opening of the sand collection box 74 is larger than the size of the slide 7.

[0068] Reference Figure 5 and Figure 6 Thus, after the sand mold in the sand frame 31 is printed, the printed molding sand will be sent to the curing box 8 along with the sand frame 31 and the powder bed 32 to cure and speed up the fixing of the sand mold as the horizontal conveying component 71 moves. During this process, another sand frame 31 and powder bed 32 can be placed under the corresponding container 12 of the machine box 1 to continue printing sand molds, so that continuous operation of sand mold printing can be realized.

[0069] After the sand mold has cured, it will be simultaneously conveyed from the curing box 8 to the upper side of the discharge cylinder 73 along with the sand frame 31 and the powder spreading bed 32. Then, the discharge cylinder 73 pushes the powder spreading bed 32 upward, which in turn moves the cured sand mold upward. As the powder spreading bed 32 moves upward, the uncured molding sand on it will gradually fall into the second conveyor belt 714 and the sand collection box 74. After the sand mold is removed, it will continue to rotate with the second conveyor belt 714, thus conveying the molding sand on the upper side of the second conveyor belt 714 and ensuring its cleanliness. This facilitates the cleaning of the cured sand mold.

[0070] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A sand print apparatus for a rock sample, characterized by, It includes: The machine case (1); The sanding part (2) is arranged on one side of the machine case (1), which is used to push the sand out to the upper surface of the machine case (1); The powder laying bed (32) is vertically arranged in the machine case (1) corresponding to one side of the sanding part (2); The sand laying roller (41) is movably arranged on the upper surface of the machine case (1) along the arrangement direction of the sanding part (2) and the powder laying bed (32), which is used to push the sand to the upper side of the powder laying bed (32); The glue spraying head (55) is horizontally and longitudinally movably arranged above the machine case (1), and the glue spraying head (55) includes a plurality of glue spraying nozzles (551); A plurality of glue liquid grooves (56) are arranged on one side of the machine case (1) and correspond to each glue spraying nozzle (551), and each glue liquid groove (56) is used to supply glue adhesive to each glue spraying nozzle (551) respectively. The glue spraying head (55) is vertically arranged above the machine case (1); The upper surface of the machine case (1) is formed with an anti-corrosion waste liquid groove (6), and the upper side of the anti-corrosion waste liquid groove (6) is formed with a sealing socket (62) capable of sealingly inserting the glue spraying head (55); The anti-corrosion waste liquid groove (6) is provided with a steam generating device (63) for generating steam; The anti-corrosion waste liquid groove (6) is also provided with a horizontally movable scraper (64) for scraping off the glue liquid at the lower end of the glue spraying nozzle (551); The upper surface of the machine case (1) is provided with a container groove (12) corresponding to the position of the powder laying bed (32); The lower side of the machine case (1) is vertically provided with a sand frame (31) corresponding to the container groove (12), and the powder laying bed (32) vertically slides in the sand frame (31); The lower side of the machine case (1) is vertically fixed with a lifting cylinder (33) corresponding to the sand frame (31), which is used to drive the powder laying bed (32) to move; The lower side of the machine case (1) is horizontally fixed with a sliding frame (7) corresponding to the sand frame (31); The sand frame (31) and the powder laying bed (32) are arranged on the upper side of the sliding frame (7); The telescopic rod of the lifting cylinder (33) penetrates through the sliding frame (7) and can abut against the lower side of the powder laying bed (32); The sliding frame (7) is provided with a horizontal conveying part (71) for conveying the powder laying bed (32) and the sand frame to one side of the container groove (12); The middle part of the sliding frame (7) is provided with a curing box (8); The lower side of the outlet side of the curing box (8) of the sliding frame (7) is provided with a sand collecting box (74), and the upper end of the sand collecting box (74) is open; The outlet side of the sliding frame (7) is also vertically fixed with an outlet cylinder (73) corresponding to the curing box (8), which is used to drive the powder laying bed (32) to move upward.

2. The sand print device for rock sample according to claim 1, characterized in that: The machine case (1) is provided with a sand pouring slope (13) on one side corresponding to the sanding part (2) and the powder laying bed (32) away from each other, and the sand pouring slope (13) is inclined upward away from each other.

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