Double-break grinding module

Abstract

The utility model relates to two break grinding module, including setting in the sample grinding assembly and two break component assembly of one side inside installation frame, the utility model discloses a sample grinding assembly and two break component assembly are integrated together through installation frame, make multiple processing steps be connected in series, cooperate mechanical arm to carry out handling to the reject barrel and sample barrel, and complete the work of coal sample addition, make the sample grinding assembly and two break component assembly can complete all contents of this process in turn, can realize the full -automatic processing of coal sample two break and sample preparation, can adapt to mechanical arm intervention operation, can effectively improve coal sample production efficiency, especially suitable for coal sample automatic production line.

Description

Technical Field

[0001] This utility model relates to a coal sample processing device, specifically a secondary crushing and grinding module. Background Technology

[0002] The current coal sample preparation process requires cleaning, drying, reduction, primary crushing, secondary crushing, tertiary crushing, and sample preparation. Each step requires equipment of different specifications and models, and the sample preparation is carried out manually step by step. The overall level of automation is extremely low, requiring a large amount of manpower and resulting in low efficiency.

[0003] Currently, a utility model patent with publication number CN223027480U discloses a coal sample crushing mechanism with secondary crushing, including a coal sample crusher. The internal structure of the coal sample crusher is divided into a first crushing chamber and a second crushing chamber. The first crushing chamber is located above the second crushing chamber, and the lower part of the first crushing chamber communicates with the upper part of the second crushing chamber. A rotor is installed inside the first crushing chamber, and multiple crushing hammers are fixedly installed on the outer wall of the rotor. This utility model, by employing the cooperation of a first crushing chamber, a rotor, crushing hammers, impact-resistant liners, impact-resistant crushing blocks, and a primary motor, facilitates primary crushing of the coal sample. After primary crushing, the coal sample falls into the second crushing chamber, where it undergoes secondary crushing through the cooperation of a first crushing roller, a second crushing roller, and two secondary motors. This allows for secondary crushing of the coal sample in a single operation, resulting in more thorough crushing and improved crushing efficiency.

[0004] As can be seen from the above-disclosed technical content, as prior art, the utility model with announcement number CN223027480U uses a first crushing chamber, rotor, breaker hammer, impact-resistant liner, impact-resistant crushing block and No. 1 motor to facilitate primary crushing of coal samples. After primary crushing, the coal sample falls into the second crushing chamber, and through the cooperation of the first crushing roller, the second crushing roller and two No. 2 motors, the coal sample is subjected to secondary crushing. This makes it easy to crush the coal sample twice in one go, making the crushing of the coal sample more thorough and improving the crushing efficiency. However, this patent is relatively closed overall, and many processes still require manual intervention, and the degree of automation is not high. Utility Model Content

[0005] To address the problems existing in the prior art, this utility model provides a secondary crushing and grinding module, which can realize the secondary crushing and fully automated processing of coal samples. It can be adapted to the intervention of robotic arms, effectively improving the efficiency of coal sample preparation, and is particularly suitable for automated coal sample production lines.

[0006] To achieve the above objectives, this utility model provides a secondary grinding module, comprising a sample grinding assembly and a secondary crushing and reducing assembly disposed on both sides inside an installation frame. The sample grinding assembly includes a grinding conveying hopper and a vibratory mill. The grinding conveying hopper is fixedly installed on one side of the installation frame, and a dust cover is fixedly installed on the grinding conveying hopper. The top of the dust cover is connected to a vacuum cleaner via a dust exhaust pipe. The lower part of the grinding conveying hopper is connected to a grinding conveyor, which is connected to the inlet of the vibratory mill via a pipeline or the hopper. The outlet of the vibratory mill is connected to a discharge port. The feed pipe has its end facing the sample bucket mounted on the grinding and weighing device; the secondary crushing and shrinking assembly includes a secondary crushing feed conveyor, a secondary crushing device, and a shrinker. The feed hopper is connected in sequence to the secondary crushing feed conveyor, the secondary crushing device, and the shrinker. The shrinking and weighing device is fixedly installed inside the mounting frame below the shrinker. The coal sample feed pipe and the waste sample feed pipe of the shrinker are respectively aligned with the sample bucket and the waste sample bucket mounted on the shrinking and weighing device; the feed hopper is equipped with a feed hopper cover plate controlled by a feed hopper cover plate control cylinder; a control cabinet is installed on the mounting frame.

[0007] In addition, the two-stage grinding module proposed in the above embodiments of this utility model may also have the following additional technical features: As a further improvement of this utility model, the grinding conveyor includes a flat scraper and a grinding hopper. The grinding conveyor belt is installed inside the housing of the grinding conveyor by a bracket. Two side baffles are installed on the upper surface of the grinding conveyor belt by a bracket. Flat scrapers are set on the two side baffles. One end of the upper surface of the grinding conveyor belt is aligned with the grinding hopper. The grinding conveyor and the secondary crushing feeding conveyor have the same structure.

[0008] As a further improvement of this utility model, the secondary crushing device includes a secondary crushing drive motor, a crushing arm, screen holes, an idler wheel, and a swinging paddle. The secondary crushing drive motor drives the crushing arm inside the main housing of the secondary crushing component to rotate through a transmission device and a rotating shaft. The rotating shaft drives the idler wheel outside the main housing of the secondary crushing component. A swinging paddle is set at the feed inlet of the secondary crushing device. A cylinder is set outside the main housing of the secondary crushing component. The cylinder is connected to a control rod through a bracket. The control rod passes through the main housing of the secondary crushing component. A control plate is connected in series with the swinging paddle inside the main housing of the secondary crushing component. The control rod is set parallel to the cylinder. A screen hole is opened at the bottom of the main housing of the secondary crushing component. Below the screen hole is the feed hopper of the secondary crushing device. The feed hopper of the secondary crushing device is connected to a shrink divider.

[0009] As a further improvement of this utility model, the reducing device includes a reducing device inlet, a reducing and distributing disc, a distributing disc control belt, a coal sample discharge pipe, and a discard sample discharge pipe. The reducing device inlet is opened on the upper part of the reducing device shell. The distributing disc control belt is fixedly installed below the reducing device inlet by a bracket. The reducing and distributing disc is fixedly installed on the distributing disc control belt. The coal sample discharge pipe and the discard sample discharge pipe are respectively located on both sides and below the reducing and distributing disc.

[0010] As a further improvement of this utility model, the vibratory mill is fitted with a vibratory mill cover.

[0011] By means of the above solution, this utility model has at least the following advantages: by integrating the sample grinding component and the secondary crushing and shrinking component together by installing the frame, multiple processing steps are connected in series. With the help of the robotic arm, the waste bin and sample bin are transported and the coal sample is added. The sample grinding component and the secondary crushing and shrinking component can complete all the contents of this process in sequence. It can realize the fully automatic processing of secondary crushing and sample preparation of coal samples. It can be adapted to the intervention of robotic arms and can effectively improve the efficiency of coal sample preparation. It is particularly suitable for automated coal sample production lines. Attached Figure Description

[0012] Figure 1 This is a three-dimensional schematic diagram of the secondary grinding module; Figure 2 This is a three-dimensional structural diagram of the grinding conveyor of the secondary grinding module with part of the housing removed; Figure 3 This is a 3D view of the secondary crushing device in the secondary crushing and grinding module; Figure 4 This is a three-dimensional structural diagram of the main housing cover of the secondary crushing unit of the secondary crushing grinding module after removing the secondary crushing component. Figure 5 This is a 3D view of the housing of the splitter of the secondary grinding module after the shell has been removed. In the diagram: 1. Dust exhaust pipe; 2. Dust cover; 3. Grinding conveyor hopper; 4. Grinding conveyor; 41. Flat scraper; 42. Side baffle plate; 43. Grinding conveyor belt; 44. Grinding discharge hopper; 5. Vibrating mill cover; 6. Vibrating mill; 7. Vibrating mill discharge pipe; 8. Grinding weighing device; 9. Feed hopper cover control cylinder; 10. Feed hopper; 11. Secondary crushing feeding conveyor; 12. Secondary crushing device; 121. Secondary crushing drive motor. 122. Machine, transmission device, 123. Secondary crushing component main housing, 124. Crushing arm, 125. Screen mesh, 126. Idler wheel, 127. Swinging lever, 13. Divider, 131. Divider feed inlet, 132. Divider distribution plate, 133. Distribution plate control belt, 134. Coal sample discharge pipe, 135. Discard sample discharge pipe, 14. Divider weighing device, 15. Discard bin, 16. Sample bin, 17. Mounting frame. Detailed Implementation

[0013] The secondary grinding module of this utility model is described below with reference to the accompanying drawings.

[0014] In Embodiment 1 of this application, as Figure 1As shown, this secondary crushing and grinding module (hereinafter referred to as "the present invention") includes a sample grinding assembly and a secondary crushing and reducing assembly disposed on both sides inside the mounting frame 17. The sample grinding assembly includes a grinding conveying hopper 3 and a vibrating mill 6. The grinding conveying hopper 3 is fixedly installed on one side of the mounting frame 17, and a dust cover 2 is fixedly installed on the grinding conveying hopper 3. The top of the dust cover 2 is connected to a vacuum cleaner through a dust exhaust pipe 1. The lower part of the grinding conveying hopper 3 is connected to a grinding conveyor 4. The grinding conveyor 4 is connected to the inlet of the vibrating mill 6 through a pipeline or hopper. The outlet of the vibrating mill 6 is connected to a discharge pipe. The end of the discharge pipe is directly opposite to the sample grinding hopper 6. The sample bucket 16 is on the grinding and weighing device 8; the secondary crushing and shrinking assembly includes a secondary crushing feeding conveyor 11, a secondary crushing device 12, and a shrinking device 13. The lower part of the feed hopper 10 is connected to the secondary crushing feeding conveyor 11, the secondary crushing device 12, and the shrinking device 13 in sequence. The shrinking and weighing device 14 is fixedly installed inside the mounting frame 17 below the shrinking device 13. The coal sample discharge pipe 134 and the waste sample discharge pipe 135 of the shrinking device 13 are respectively aligned with the sample bucket 16 and the waste sample bucket 15 set on the shrinking and weighing device 14; the feed hopper 10 is equipped with a feed hopper cover plate controlled by a feed hopper cover plate control cylinder 9; the control cabinet is installed on the mounting frame 17.

[0015] A coal sample crushing mechanism with secondary crushing (hereinafter referred to as "the patent"), with utility model announcement number CN223027480U, facilitates primary crushing of coal samples by employing a first crushing chamber, rotor, crushing hammer, impact-resistant liner, impact-resistant crushing blocks, and a No. 1 motor. The coal sample, after primary crushing, falls into a second crushing chamber, where it undergoes secondary crushing through the cooperation of a first crushing roller, a second crushing roller, and two No. 2 motors. This allows for secondary crushing of the coal sample in a single operation, resulting in more thorough crushing and improved crushing efficiency. However, this patent... The existing system is relatively closed, and many processes still require manual intervention, resulting in a low degree of automation. However, this invention integrates the sample grinding component and the secondary crushing and shrinking component together through the mounting frame 17, allowing multiple processing steps to be connected in series. With the help of a robotic arm, the waste bin 15 and sample bin 16 are transported, and the coal sample is added. This allows the sample grinding component and the secondary crushing and shrinking component to complete all the contents of this process sequentially, realizing fully automated processing of secondary crushing and sample preparation of coal samples. It can be adapted to robotic arm intervention and can effectively improve the efficiency of coal sample preparation, making it particularly suitable for automated coal sample production lines.

[0016] This second embodiment is basically the same in structure as the first embodiment, the difference being that, as Figure 2As shown, as a further improvement of this utility model, the grinding conveyor 4 includes a flat scraper 41, side baffles 42, a grinding conveyor belt 43, and a grinding hopper 44. The grinding conveyor belt 43 is mounted inside the housing of the grinding conveyor 4 via a bracket. Two side baffles 42 are mounted on the upper surface of the grinding conveyor belt 43 via a bracket, and flat scrapers 41 are installed on the two side baffles 42. One end of the upper surface of the grinding conveyor belt 43 is aligned with the grinding hopper 44. The grinding conveyor 4 and the secondary crushing feeding conveyor 11 have the same structure. The coal sample enters from the inlet and falls onto the grinding conveyor belt 43, and is shaped by the flat scraper 41 and the side baffles 42, so that the coal sample can enter the grinding hopper 44 evenly under the action of the grinding conveyor belt 43. The grinding conveyor 4 and the secondary crushing feeding conveyor 11 operate in the same manner.

[0017] like Figure 3 and Figure 4 As shown, the secondary crushing device 12 includes a secondary crushing drive motor 121, a transmission device 122, a secondary crushing component main housing 123, a crushing arm 124, a screen hole 125, an idler wheel 126, and a swinging paddle 127. The secondary crushing drive motor 121 drives the crushing arm 124 inside the secondary crushing component main housing 123 to rotate through the transmission device 122 and the rotating shaft. The rotating shaft drives the idler wheel 126 outside the secondary crushing component main housing 123. The swinging paddle 127 is provided at the feed inlet of the secondary crushing device 12. The secondary crushing component main housing 123... An externally mounted cylinder is connected to a control rod via a bracket. The control rod passes horizontally through the main housing 123 of the secondary crushing component. A control board is connected in series with a swinging paddle 127 inside the main housing 123. The control rod is parallel to the cylinder. The swinging paddle 127 allows the coal sample to contact the crushing arm 124 and the screen holes 125 as evenly as possible, improving crushing efficiency. The screen holes 125 are located at the bottom of the main housing 123 of the secondary crushing component. Below the screen holes 125 is the feed hopper of the secondary crushing device, which is connected to the divider 13. The transmission device 122 can be either a belt drive or a chain drive.

[0018] like Figure 5 As shown, the reducing device 13 includes a reducing device inlet 131, a reducing and distributing disc 132, a distributing disc control belt 133, a coal sample discharge pipe 134, and a discard sample discharge pipe 135. The reducing device inlet 131 is opened on the upper part of the housing of the reducing device 13. The distributing disc control belt 133 is fixedly installed below the reducing device inlet 131 by a bracket. The reducing and distributing disc 132 is fixedly installed on the distributing disc control belt 133. The coal sample discharge pipe 134 and the discard sample discharge pipe 135 are respectively located on the sides and below of the reducing and distributing disc 132.

[0019] To further optimize the working efficiency of this application and to protect external equipment, the vibratory mill 6 is fitted with a vibratory mill cover 5.

[0020] To use the equipment, install the secondary crushing and grinding module, connect the corresponding pipelines, and adjust the robotic arm. The equipment is then ready for use.

[0021] When this utility model is used, its specific operation is as follows: When the equipment is working, the robotic arm takes the sample bucket 16 from the shelf and moves it above the feed hopper 10. The feed hopper cover control cylinder 9 retracts to open the feed hopper cover, exposing the feed hopper 10. The robotic arm tilts the coal sample, which has a particle size of six millimeters after primary crushing. The coal sample enters the feed hopper 10 and falls into the secondary crushing feed conveyor 11. The secondary crushing feed conveyor 11 evenly transports the coal sample to the secondary crushing unit 12. The secondary crushing drive motor 121 drives the crushing arm 124 to rotate through the transmission device 122. The rotation of the crushing arm 124 is coordinated with the secondary crushing unit. The main unit housing 123 crushes the coal sample, reducing it from six millimeters to three millimeters. The standard coal sample falls through the sieve holes 125 into the reducer 13. The reducer 13's distribution disc control belt 133, controlled by a stepper motor, moves the reducing distribution disc 132 back and forth across the reducer inlet 131. After passing the reducer inlet 131, the reducing distribution disc 132 catches the falling coal sample. Upon reaching one end of the distribution disc control belt 133, it tilts, causing the coal sample to fall into the coal sample discharge pipe 134 on one side. Then, the distribution disc control belt 133 rotates, allowing the coal sample to... After passing through the feed inlet 131 of the divider, the dividing tray 132 catches the falling coal sample. It then moves to the other end of the control belt 133 and tilts, causing the coal sample to fall into the coal sample discharge pipe 134 on the other side. Coal samples that are not caught fall into the waste bin 15 through the waste discharge pipe 135. Coal samples in the discharge pipe 134 fall into the sample bin 16. After being weighed by the dividing and weighing device 14 to determine the loss rate, the sample is then transported to the third crushing process by a robotic arm, where it is crushed from three millimeters to one millimeter. After crushing, the sample bin 16 is reloaded by the robotic arm. The coal sample in step 6 is conveyed to the grinding conveyor hopper 3 of the dust cover 2 and poured out. During pouring, dust will be generated due to the relatively fine coal sample. At this time, the vacuum cleaner will suck up the dust in the dust cover 2 to prevent dust from contaminating the equipment. After passing through the grinding conveyor 4, the coal sample is evenly fed into the vibrating mill 6. The coal sample ground by the vibrating mill 6 is ground to a particle size of 0.2 mm and falls into the sample bucket 16 on the grinding weighing device 8 through the vibrating mill discharge pipe 7. The robotic arm can then take out the sample bucket 16 and send it to the next process for sealing. After completion, it can be sent to the sample library for inspection.

[0022] The equipment is equipped with multiple photoelectric sensors and a control cabinet, and the host coordinates the operation of each component.

[0023] In summary, the secondary crushing and grinding module of this utility model integrates the sample grinding component and the secondary crushing and shrinking component together through the mounting frame 17, so that multiple processing steps are connected in series. With the help of the robotic arm, the waste bin 15 and the sample bin 16 are transported and the coal sample is added. The sample grinding component and the secondary crushing and shrinking component can complete all the contents of this process in sequence, realizing the fully automatic processing of secondary crushing and sample preparation of coal samples. It can be adapted to the intervention of robotic arm operation, effectively improving the efficiency of coal sample preparation, and is particularly suitable for automated coal sample production lines.

[0024] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the invention is limited to these examples; within the framework of the invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the invention should be included within the scope of protection of the invention.

Claims

1. A secondary grinding module, comprising a sample grinding assembly and a secondary shrinkage assembly disposed on both sides inside the mounting frame (17), characterized in that, The sample grinding assembly includes a grinding conveyor hopper (3) and a vibratory mill (6). The grinding conveyor hopper (3) is fixedly installed on one side of the mounting frame (17). A dust cover (2) is fixedly installed on the grinding conveyor hopper (3). The top of the dust cover (2) is connected to a vacuum cleaner through a dust discharge pipe (1). The lower part of the grinding conveyor hopper (3) is connected to a grinding conveyor (4). The grinding conveyor (4) is connected to the feed inlet of the vibratory mill (6) through a pipeline or hopper. The discharge outlet of the vibratory mill (6) is connected to a discharge pipe. The end of the discharge pipe is directly opposite the sample bucket (16) set on the grinding weighing device (8). The secondary crushing and shrinking assembly includes a secondary crushing feeding conveyor ( 11) The secondary crushing device (12) and the divider (13) are connected in sequence to the lower part of the feed hopper (10). The secondary crushing feeding conveyor (11), the secondary crushing device (12) and the divider (13) are connected in sequence. The divider (13) is fixedly installed on the inner side of the mounting frame (17) below the divider (13). The coal sample discharge pipe (134) and the waste sample discharge pipe (135) of the divider (13) are respectively aligned with the sample bucket (16) and the waste sample bucket (15) set on the divider (14). The feed hopper (10) is equipped with a feed hopper cover plate controlled by the feed hopper cover plate control cylinder (9). The control cabinet is installed on the mounting frame (17).

2. The secondary grinding module according to claim 1, characterized in that, The grinding conveyor (4) includes a flat scraper (41) and a grinding hopper (44). The grinding conveyor belt (43) is installed inside the housing of the grinding conveyor (4) by a bracket. Two side baffles (42) are installed on the upper surface of the grinding conveyor belt (43) by a bracket. The flat scraper (41) is set on the two side baffles (42). One end of the upper surface of the grinding conveyor belt (43) is aligned with the grinding hopper (44). The grinding conveyor (4) and the secondary crushing feeding conveyor (11) have the same structure.

3. The secondary grinding module according to claim 2, characterized in that, The secondary crushing device (12) includes a secondary crushing drive motor (121), an idler wheel (126), and a swinging paddle (127). The secondary crushing drive motor (121) drives the crushing arm (124) inside the main housing (123) of the secondary crushing component to rotate through the transmission device (122) and the rotating shaft. The rotating shaft drives the idler wheel (126) outside the main housing (123) of the secondary crushing component. A swinging paddle (127) is set at the feed inlet of the secondary crushing device (12). A cylinder is set outside the main housing (123) of the secondary crushing component. The cylinder is connected to a control rod through a bracket. The control rod passes through the main housing (123) of the secondary crushing component. The control plate is connected in series with the swinging paddle (127) inside the main housing (123) of the secondary crushing component. The control rod is set parallel to the cylinder. A screen hole (125) is opened at the bottom of the main housing (123) of the secondary crushing component. Below the screen hole (125) is the feed hopper of the secondary crushing device. The feed hopper of the secondary crushing device is connected to the shrinking device (13).

4. The secondary grinding module according to claim 1, characterized in that, The reducing device (13) includes a reducing device inlet (131), a coal sample discharge pipe (134), and a discard sample discharge pipe (135). The reducing device inlet (131) is opened on the upper part of the shell of the reducing device (13). The dividing plate control belt (133) is fixedly installed below the reducing device inlet (131) by a bracket. The reducing plate dividing plate (132) is fixedly installed on the dividing plate control belt (133). The coal sample discharge pipe (134) and the discard sample discharge pipe (135) are respectively located on the sides and below of the reducing plate dividing plate (132).

5. The secondary grinding module according to claim 4, characterized in that, The vibratory mill (6) is fitted with a vibratory mill cover (5) on the outside.

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