CN204844404U - Simulation modeling experiment system based on 3D prints quick form -ing technology - Google Patents

Abstract

The utility model discloses a similar simulation experiment system based on 3D printing rapid prototyping technology. The batching module is connected to the experimental module through the printing and laying module, and the control module is respectively connected and controlled to the batching module, the printing and laying module and the experimental module. The control module forms a three-dimensional digital model similar to the simulation experiment. The control module controls the experimental module to adjust to a state suitable for printing the three-dimensional digital model, and controls the batching ratio of the batching module through the solenoid valve, and controls the printing of the material distribution module through the direction control mechanism and the reversing valve. Three-dimensional paving is carried out in the experimental module. The utility model can lay complex geological structural rock mass models that cannot be laid by traditional methods such as folds, faults, and collapsed columns. Observation and study of complex rock mass engineering such as the relationship between the movement characteristics of the roof after mining and the relationship between the shape and the stability time.

Description

Similar simulation experiment system based on 3D printing rapid prototyping technology

technical field

The utility model relates to an experiment system, in particular to a similar simulation experiment system based on 3D printing rapid prototyping technology.

Background technique

In order to better ensure the safe production of underground mines, exploit mineral resources to the maximum extent, and protect the mining environment and ground facilities, it is necessary to study mine pressure and rock formation law, and develop rock formation support technology and control measures. However, for an underground engineering problem with many influencing factors, it is difficult for people to clearly understand all the influencing factors of the problem, and it is difficult to observe and summarize the movement law of the overlying rock in the mining coal seam, the law of roof collapse, and the characteristics and shape of the roof movement after mining. Complex rock mass engineering problems such as the relationship between rock formation time and stable formation time.

In recent years, it has been widely used because the test bench of similar simulated materials is more convenient for the research of various materials. The similarity simulation test is used to simulate the stress, displacement and deformation of the rock and soil and the surrounding rock under the mining site mining environment. By simulating the excavation of similar materials to reproduce the characteristics of various mine pressures that occur during on-site mining, it is also a geotechnical engineering research project. One of the effective methods for field problems.

As an important research method, the similarity simulation experiment reflects the complex geological forms in reality on the model in a certain proportion according to certain principles, and through the phenomena and laws of the research objects According to the current theoretical analysis, the current technical bottlenecks for similar simulation experiments in traditional coal (rock) excavation engineering lie in:

(1) The similar model specimens laid can only simulate horizontal, inclined rock formations and fault structures. The laid horizontal, inclined rock formations and fault structures are the simplest one-way structures, and the complexity of the structure is far lower than that of the real site structure. , so the simulation similarity is low;

(2) Traditional similar material simulation experiments are all artificial or semi-manual batching and laying, which requires the cooperation of multiple people, which is not only labor-intensive, but also takes a long time to lay;

(3) The traditional similar material simulation experiment adopts manual laying, and the dimensional accuracy of the similar model is low.

Utility model content

The purpose of this utility model is to aim at the deficiencies of the existing technology. For the first time, the advanced 3D rapid prototyping technology is applied to the batching and laying experiments of the similar simulation model of mining physics, and a similar simulation based on the 3D printing rapid prototyping technology is proposed. experiment system.

The utility model adopts the following technical solutions:

A similar simulation experiment system based on 3D printing rapid prototyping technology, including a batching module, a printing and laying module, an experiment module, and a control module. The batching module is connected to the experimental module through the printing and laying module, and the control module is respectively connected and controlled. modules and experimental modules;

The control module forms a 3D digital model similar to the simulation experiment. The control module controls the experimental module to adjust to a state suitable for printing the 3D digital model, and controls the batching ratio of the batching module through the solenoid valve, and controls the printing material distribution module through the direction control mechanism and the reversing valve. Three-dimensional paving is carried out in the experimental module.

Further, the batching module includes a plurality of raw material barrels, and mixing barrels respectively connected to the raw material barrels through feeding pipes;

There are relevant raw materials in the raw material barrel, a weight controller is installed on the raw material barrel, a solenoid valve is installed on the outlet of the raw material barrel, and a feeding motor is installed at the connection between the outlet of the raw material barrel and the feeding pipe;

There is a screw driving rod in the feeding pipe, the output shaft of the feeding motor is connected to the screw driving rod, and the feeding motor drives the screw driving rod to rotate, and the relevant raw materials are transported to the mixing tank;

The mixing tank is connected with a stirring motor, and the output end of the mixing tank is connected to the printing material spreading module through the main feeding pipe.

Further, a raw material barrel frame is provided at the bottom of the raw material barrel, and the raw material barrel is fixed on the raw material barrel frame through a weight controller, and the control system controls the weight of raw materials added to the raw material barrel through a solenoid valve;

The bottom of the mixing tank is provided with a mixing tank frame, the mixing tank is erected on the mixing tank frame through a weight controller, the upper part of the mixing tank frame is provided with a stirring motor, the stirring motor is connected with a stirring device, and the stirring device is welded with stirring blades, the control system The weight of relevant raw materials is controlled by a solenoid valve. The lower part of the mixing tank is connected to the stirring delivery pipe, and the other end of the stirring delivery pipe is connected to an electromagnetic reversing valve. The electromagnetic reversing valve is connected to one of the raw material barrels through the feeding pipe at the same time. The end is connected to the printing laying device through the stirring feeding pipe.

Further, the printing and laying module includes an X-direction control mechanism, a Y-direction control mechanism and a Z-direction control mechanism;

The X-direction control mechanism includes an X-direction servo motor, an X-direction slide rail arranged horizontally, and an X-direction guide rail arranged along the X-direction slide rail. The output shaft of the X-direction servo motor is connected to the X-direction slide rail, and the X-direction slide rail There is an X-direction slide rail sleeve, one side of the X-direction slide rail sleeve is clamped in the X-direction guide rail, and the other side is connected with an X-direction slide plate;

The Z-direction control mechanism includes a Z-direction servo motor, a vertically arranged Z-direction slide rail, and a Z-direction guide rail arranged along the Z-direction slide rail. The Z-direction servo motor is fixed on the X-direction slide plate, and the output shaft of the Z-direction servo motor is connected to the Z-direction slide rail, the Z-direction slide rail sleeve is sleeved on the Z-direction slide rail, one side of the Z-direction slide rail sleeve is snapped into the Z-direction guide rail, and the other side is connected with a Z-direction slide plate;

The Y-direction control mechanism includes a Y-direction servo motor, a Y-direction slide rail perpendicular to the X-direction slide rail and a Z-direction slide rail, and a Y-direction guide rail arranged along the Y-direction slide rail. The Y-direction servo motor is fixed on the Z-direction slide plate , the output shaft of the Y-direction servo motor is connected to the Y-direction slide rail, and the Y-direction slide rail sleeve is sleeved on the Y-direction slide rail. One side of the Y-direction slide rail sleeve is clamped in the Y-direction guide rail, and the other side is connected There is a printing nozzle, and the printing nozzle is connected to the main delivery pipe;

With the cooperation of the X-direction control mechanism, the Y-direction control mechanism and the Z-direction control mechanism, the printing nozzle performs three-dimensional three-dimensional laying to realize the 3D printing rapid prototyping of the three-dimensional digital model.

Further, the end of the X-direction slide rail is fixed by the X-direction slide rail support frame, and the X-direction slide rail support frame simultaneously fixes the X-direction rail;

The end of the Z-direction slide rail is fixed by the Z-direction slide rail support frame, and the Z-direction slide rail support frame is fixed on the Z-direction guide rail;

The top of the Z guide rail is provided with a limit ring for setting the position of the total delivery pipe.

Further, the experimental device includes a main support, the upper part of the main support is connected with a pressurized backing plate by adding a loading oil cylinder, and the loading oil cylinder loads the test piece through the loading backing plate;

The test piece is laid on the lower part of the main support, and the printing and laying device prints and lays the test piece layer by layer;

Both sides of the main bracket are symmetrically connected with baffle brackets, and a number of baffle guide rails are welded at equal intervals on the baffle bracket. Baffle plates are clamped on both sides of the baffle guide rails. The baffle driving motor is engaged with the baffle through gears, and the baffle driving motor drives the baffle to slide along the baffle guide rail.

Furthermore, the control module includes a central console and an integrated line connected to the batching module, the printing and laying module and the experiment module respectively. The control module controls the completion of the three-dimensional modeling of the test piece, the division of the model section, and the identification of the two-dimensional layer. information, plan the printing path, control the allocation of related raw materials, control the printing and laying of test pieces and complete the loading of test pieces.

The beneficial technical effect obtained by adopting the above technical scheme is:

(1) The utility model needs to carry out the three-dimensional modeling of the object before starting to print the shaped article, first draw by computer, and then divide the three-dimensional model into multiple sections, so that the printing device can form the object layer by layer, so adopt The utility model carries out the laying of similar models, and can lay complex geological structure rock mass models that cannot be laid by traditional means such as folds, faults, and collapse columns;

(2) The model laid by the utility model has high precision;

(3) The whole process of batching and laying is controlled by computer, with a high degree of automation, which greatly reduces the difficulty of laying and the labor intensity of workers.

Description of drawings

Figure 1 is a three-dimensional structure diagram of a similar simulation experiment system based on 3D printing rapid prototyping technology.

FIG. 2 is a side view of FIG. 1 .

FIG. 3 is a top view of FIG. 1 .

Fig. 4 is a three-dimensional structural view of the printing auxiliary material device.

Fig. 5 is a schematic diagram of three-dimensional digital model cutting.

Fig. 6 is a partial schematic diagram of A-A in Fig. 2 .

FIG. 7 is a partial schematic view in direction B in FIG. 3 .

In the figure, Ⅰ, experimental module; 1, main support; 2, baffle bracket; 3, support frame; 4, baffle; 5, baffle guide rail; 6, gear; 7, baffle drive motor; 8, baffle Motor frame; 9. Loading cylinder; 10. Pressure pad; 11. Specimen; 11a. Model specimen slice; 11b. Different areas of model specimen slice;

Ⅱ. Printing and paving module; 12. Printing nozzle; 13. Main conveying pipe; 14. Limit ring; 15. Z-direction guide rail support frame; 16. Y-direction servo motor seat plate; 17. X-direction slide rail shaft 18. X-direction servo motor; 19. X-direction slide rail; 20. X-direction slide; 21. X-direction guide rail; 22. X-direction slide rail support frame; 23. Y-direction servo motor; 24. Y-direction slide 26. Y-direction guide rail; 27. Y-direction slide rail support frame; 28. Z-direction servo motor; 29. Z-direction slide rail; 30. Z-direction slide plate; 31. Z-direction guide rail; 32. Z-direction slide rail support frame;

Ⅲ. Batching module; 33. Raw material barrel; 34. Raw material barrel frame; 35. Weight controller; 36. Solenoid valve; 37. Conveying motor; 38. Conveying pipe; 39. Screw drive rod; 41. Stirring barrel frame; 42. Stirring motor; 43. Stirring device; 44. Stirring blade; 45. Stirring feeding pipe; 46. Leveling pad; 48. Electromagnetic reversing valve;

Ⅳ. Control module; 49. Central console; 50. Integrated line.

Detailed ways

The specific embodiment of the utility model is further described in conjunction with accompanying drawing 1 to 7:

A similar simulation experiment system based on 3D printing rapid prototyping technology, including batching module III, printing and laying module II, experiment module I, and control module IV. The batching module is connected to the experimental module through the printing and laying module, and the control module is connected to and controls the batching module. , Print paving module and experiment module.

The control module forms a 3D digital model similar to the simulation experiment. The control module controls the experimental module to adjust to a state suitable for printing the 3D digital model, and controls the batching ratio of the batching module through the solenoid valve, and controls the printing material distribution module through the direction control mechanism and the reversing valve. Three-dimensional paving is carried out in the experimental module.

The batching module includes a plurality of raw material barrels 33 and mixing barrels 40 respectively connected to the raw material barrels 33 through feeding pipes 38 . Relevant raw materials are arranged in the raw material barrel 33, and the raw material barrel 33 is provided with a weight controller 35, and the raw material barrel 33 outlet is provided with a solenoid valve 36, and the raw material barrel 33 outlet is provided with a feeding motor 37 at the junction of the feeding pipe. Related raw materials include water, fine sand, gypsum, lime, cement and other materials.

A screw driving rod 39 is arranged in the feeding pipe, and the screw driving rod is used as a feeding shaft. The output shaft of the feeding motor is connected to the screw driving rod 39 , and the feeding motor drives the screw driving rod to rotate, and the relevant raw materials are transported to the mixing tank 40 .

The mixing tank is connected with a stirring motor 42, and the output end of the mixing tank 40 is connected to the printing material spreading module through the main feeding pipe.

Raw material barrel frame 34 is provided at the bottom of raw material barrel 33, and raw material barrel 33 is fixed on the raw material barrel frame 34 by weight controller 35, and raw material barrel frame 34 bottom is provided with leveling pad 46. The control system controls the weight of raw materials added to the raw material barrel 33 through the solenoid valve 36 . The bottom of the mixing bucket 40 is provided with a mixing bucket frame, the mixing bucket 40 is erected on the mixing bucket frame by a weight controller, the top of the mixing bucket frame is provided with a stirring motor 42, the stirring motor 42 is connected with a stirring device 43, and the stirring device 43 is welded with a stirring device. The blade 44, the control system controls the weight of the relevant raw materials through the electromagnetic valve, the lower part of the mixing bucket 40 is connected to the stirring delivery pipe 45, and the other end of the stirring delivery pipe 45 is connected to the electromagnetic reversing valve 48, and the electromagnetic reversing valve 48 is connected to the material through the feeding pipe at the same time. One of the raw material barrels 33 and the output end of the electromagnetic reversing valve 48 are connected to the printing material laying device through the stirring feed pipe.

The printing and laying module includes an X-direction control mechanism, a Y-direction control mechanism and a Z-direction control mechanism.

The X-direction control mechanism includes an X-direction servo motor 18, a horizontally arranged X-direction slide rail 19, an X-direction guide rail 21 arranged along the X-direction slide rail, the output shaft of the X-direction servo motor 18 is connected to the X-direction slide rail 19, and the X-direction An X-direction slide rail sleeve 17 is sleeved on the slide rail, one side of the X-direction slide rail sleeve 17 is engaged in the X-direction guide rail 21 , and the other side is connected with an X-direction slide plate 20 .

The Z-direction control mechanism includes a Z-direction servo motor 28, a vertically arranged Z-direction slide rail 29, a Z-direction guide rail 31 arranged along the Z-direction slide rail, and the Z-direction servo motor 28 is fixed on the X-direction slide plate 20. The output shaft of the motor 28 is connected to the Z-direction slide rail 29, and the Z-direction slide rail 29 is sleeved with a Z-direction slide rail sleeve. One side of the Z-direction slide rail sleeve is clamped in the Z-direction guide rail, and the other side is connected with Z direction slide plate 30.

The Y-direction control mechanism includes a Y-direction servo motor 23, a Y-direction slide rail 24 perpendicular to the X-direction slide rail and a Z-direction slide rail, and a Y-direction guide rail 26 arranged along the Y-direction slide rail. The Y-direction servo motor 23 passes through the Y direction. The servo motor seat plate 16 is fixed on the Z-direction slide plate, the output shaft of the Y-direction servo motor is connected to the Y-direction slide rail, and the Y-direction slide rail sleeve is sleeved on the Y-direction slide rail, and one side of the Y-direction slide rail sleeve is clamped. Connected in the Y-direction guide rail, the other side is connected with the printing nozzle 12, and the printing nozzle 12 is connected to the main delivery pipe 13;

The printing nozzle 12 performs three-dimensional three-dimensional material laying under the cooperation of the X-direction control mechanism, the Y-direction control mechanism and the Z-direction control mechanism, so as to realize the 3D printing rapid prototyping of the three-dimensional digital model.

The end of the X-direction slide rail is fixed by the X-direction slide rail support frame 22, and the X-direction slide rail support frame simultaneously fixes the X-direction rail; the end of the Z-direction slide rail is fixed by the Z-direction slide rail support frame 32, and the Z-direction slide rail support frame It is fixed on the Z-guiding rail; the top of the Z-guiding rail is provided with a limit ring 14 for setting the position of the main delivery pipe 13 .

The experimental device includes a main support 1, the upper part of the main support 1 is connected with a pressurized backing plate 10 by adding a loading oil cylinder 9, and the loading oil cylinder loads the test piece 11 through the loading backing plate; The device is printed and laid layer by layer to form a test piece; both sides of the main bracket are symmetrically connected with baffle brackets 2, and a number of baffle guide rails 5 are welded at equal intervals on the baffle bracket 2, and baffle plates 4 are clamped on both sides of the baffle guide rails 5. The plate 4 is provided with tooth grooves, and a baffle drive motor 7 protrudes and is fixed in the middle of the baffle guide rail. The baffle drive motor 7 is fixed by the baffle motor frame 8. The baffle drive motor 7 meshes with the baffle 4 through the gear 6, and the baffle The drive motor drives the baffle to slide along the baffle guide rail.

The test piece 11 is composed of a layered model test piece slice 11a, and there are multiple different test piece slice regions 11b on the model test piece slice 11a.

The control module includes a central console 49 and an integrated line 50 respectively connected to the batching module, the printing and laying module and the experiment module. Printing path, controlling configuration of relevant raw materials, controlling printing and laying of specimens, and completing loading of specimens.

For the first time, the utility model applies advanced 3D rapid prototyping technology to the batching and laying experiments of similar simulation models of mining physics. The degree of automation is high, the model laying time is short, and the model size accuracy is high; therefore, it can better carry out the analysis of the movement law of the overlying rock in the mining coal seam, the roof caving law, the movement characteristics and shape of the roof after mining, and the stability time. Observational research on complex rock mass engineering such as relationship.

Of course, the above descriptions are only preferred embodiments of the present invention, and the present invention is not limited to the above-mentioned embodiments. It should be noted that any person skilled in the art can make all the Equivalent substitutions and obvious deformation forms all fall within the essential scope of this specification and should be protected by the utility model.

Claims (5)

1. A similar simulation experiment system based on 3D printing rapid prototyping technology, characterized in that it includes a batching module, a printing and spreading module, an experimental module, and a control module. The batching module is connected to the experimental module through the printing and spreading module, and the control module is connected and controlled respectively. Batching module, printing and laying module and experiment module; The control module forms a 3D digital model similar to the simulation experiment. The control module controls the experimental module to adjust to a state suitable for printing the 3D digital model, and controls the batching ratio of the batching module through the solenoid valve, and controls the printing material distribution module through the direction control mechanism and the reversing valve. Three-dimensional paving is carried out in the experimental module. 2. the similar simulation experiment system based on 3D printing rapid prototyping technology according to claim 1, is characterized in that, described batching module comprises a plurality of raw material barrels, the mixing barrel that is connected with raw material barrel respectively by feeding pipe; There are relevant raw materials in the raw material barrel, a weight controller is installed on the raw material barrel, a solenoid valve is installed on the outlet of the raw material barrel, and a feeding motor is installed at the connection between the outlet of the raw material barrel and the feeding pipe; There is a screw driving rod in the feeding pipe, the output shaft of the feeding motor is connected to the screw driving rod, and the feeding motor drives the screw driving rod to rotate, and the relevant raw materials are transported to the mixing tank; The mixing tank is connected with a stirring motor, and the output end of the mixing tank is connected to the printing material spreading module through the main feeding pipe. 3. the similar simulation experiment system based on 3D printing rapid prototyping technology according to claim 1, is characterized in that, described printing paving module comprises X to control mechanism, Y to control mechanism and Z to control mechanism; The X-direction control mechanism includes an X-direction servo motor, an X-direction slide rail arranged horizontally, and an X-direction guide rail arranged along the X-direction slide rail. The output shaft of the X-direction servo motor is connected to the X-direction slide rail, and the X-direction slide rail There is an X-direction slide rail sleeve, one side of the X-direction slide rail sleeve is clamped in the X-direction guide rail, and the other side is connected with an X-direction slide plate; The Z-direction control mechanism includes a Z-direction servo motor, a vertically arranged Z-direction slide rail, and a Z-direction guide rail arranged along the Z-direction slide rail. The Z-direction servo motor is fixed on the X-direction slide plate, and the output shaft of the Z-direction servo motor is connected to the Z-direction slide rail, the Z-direction slide rail sleeve is sleeved on the Z-direction slide rail, one side of the Z-direction slide rail sleeve is snapped into the Z-direction guide rail, and the other side is connected with a Z-direction slide plate; The Y-direction control mechanism includes a Y-direction servo motor, a Y-direction slide rail perpendicular to the X-direction slide rail and a Z-direction slide rail, and a Y-direction guide rail arranged along the Y-direction slide rail. The Y-direction servo motor is fixed on the Z-direction slide plate , the output shaft of the Y-direction servo motor is connected to the Y-direction slide rail, and the Y-direction slide rail sleeve is sleeved on the Y-direction slide rail. One side of the Y-direction slide rail sleeve is clamped in the Y-direction guide rail, and the other side is connected There is a printing nozzle, and the printing nozzle is connected to the main delivery pipe; With the cooperation of the X-direction control mechanism, the Y-direction control mechanism and the Z-direction control mechanism, the printing nozzle performs three-dimensional three-dimensional laying to realize the 3D printing rapid prototyping of the three-dimensional digital model. 4. the similar simulation experiment system based on 3D printing rapid prototyping technology according to claim 1, is characterized in that, described experimental device comprises main support, and main support top is connected with pressurized backing plate by being added to loading oil cylinder, and loading oil cylinder Load the specimen through the loading pad; The test piece is laid on the lower part of the main support, and the printing and laying device prints and lays the test piece layer by layer; Both sides of the main bracket are symmetrically connected with baffle brackets, and a number of baffle guide rails are welded at equal intervals on the baffle bracket. Baffle plates are clamped on both sides of the baffle guide rails. The baffle driving motor is engaged with the baffle through gears, and the baffle driving motor drives the baffle to slide along the baffle guide rail. 5. the similar simulation experiment system based on 3D printing rapid prototyping technology according to claim 1, is characterized in that, described control module comprises central console, and the integration that is respectively connected with batching module, printing module and experiment module The control module completes the three-dimensional modeling of the test piece, divides the model section, identifies the two-dimensional layer information, plans the printing path, controls the configuration of related raw materials, controls the printing and laying of the test piece, and completes the loading of the test piece.