Full-automatic cement negative pressure screen analysis instrument

Abstract

The utility model relates to the technical field of cement negative pressure screen analysis instruments, and discloses a full-automatic cement negative pressure screen analysis instrument which comprises a machine body, a fixing plate is fixedly connected to the top of the inner wall of the machine body, a first stepping motor is fixedly connected to the center of the bottom of the fixing plate, and the output end of the first stepping motor is fixedly connected with a lead screw. A lifting rod is in threaded connection with the outer ring of the lead screw, a lifting frame is fixedly connected to the top of the lifting rod, a screening tool is arranged on one side of the inner ring of the lifting frame, a screen is arranged at the bottom of the inner wall of the screening tool, and a linear bearing penetrates through and is fixedly connected to the center of the bottom of the fixing plate. The left side of the bottom of the fixing plate is fixedly connected with a second stepping motor. According to the vibrating screen, the bearing frame is driven by the first stepping motor, the lifting frame, the screen tool, the screen cover, the vibrator and the second stepping motor to rotate, materials are weighed, the first stepping motor is started to work, the lead screw is driven to rotate, and the screen tool is driven to move downwards.

Description

Technical Field

[0001] This utility model relates to the technical field of cement negative pressure sieve analyzers, specifically a fully automatic cement negative pressure sieve analyzer. Background Technology

[0002] The cement negative pressure sieve analyzer is used to determine the quality of general-purpose silicate cement, road silicate cement, and mineral admixtures. It is an essential instrument for cement plants, construction companies, and research institutes and colleges specializing in cement.

[0003] When using existing cement negative pressure sieve analyzers, the entire workflow of these analyzers is basically done manually to achieve the testing objectives.

[0004] However, existing cement negative pressure sieve analyzers have low automation levels, which affects data accuracy, are inconvenient to operate, and affect the effectiveness of use. To address these issues, a fully automatic cement negative pressure sieve analyzer is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a fully automatic cement negative pressure sieve analyzer, which solves the problems in the prior art that the low degree of automation affects the accuracy of data, the inconvenience of operation, and the impact on the effect of use.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A fully automatic cement negative pressure sieve analyzer, comprising a machine body, a fixed plate fixedly connected to the top of the inner wall of the machine body, a first stepper motor fixedly connected to the center of the bottom of the fixed plate, a lead screw fixedly connected to the output end of the first stepper motor, a lifting rod threadedly connected to the outer ring of the lead screw, a lifting frame fixedly connected to the top of the lifting rod, a sieve device provided on one side of the inner ring of the lifting frame, a screen provided at the bottom of the inner wall of the sieve device, a linear bearing penetrating and fixedly connected to the center of the bottom of the fixed plate, and a fixed connection on the left side of the bottom of the fixed plate. A second stepper motor has its output end connected to a load-bearing rotating shaft. A load-bearing frame is fixedly connected to the top of the load-bearing rotating shaft. A sieve weighing device is installed on the top of the load-bearing frame. A third stepper motor is fixedly connected to the bottom left side of the fixed plate. A sieve cover transmission rod is connected to its output end. A sieve rod connecting rod is fixedly connected to the top of the sieve cover transmission rod. A sieve cover is fixedly connected to the bottom of the sieve rod connecting rod. An electromagnet is installed at the bottom of the sieve cover. Two vibrators are fixedly connected to the top of the sieve cover. A sieve bottom is connected to the center of the top of the fixed plate.

[0007] By adopting the above technical solution, the second stepper motor drives the load-bearing frame to rotate, weighs the material, starts the first stepper motor to work, drives the lead screw to rotate, and drives the screen to move downward and close with the screen bottom.

[0008] As a further description of the above technical solution: a negative pressure vacuum cleaner is fixedly connected to the bottom of the inner wall of the machine body, and a transport pipe is fixedly connected through and to the top of the negative pressure vacuum cleaner.

[0009] By adopting the above technical solution, the negative pressure vacuum cleaner can generate negative pressure when it is working, and then the transport pipe will carry the vacuum cleaner.

[0010] As a further description of the above technical solution: a transparent windproof cover is provided on the top of the machine body, and a placement hole is opened on the top of the outer wall of the transparent windproof cover.

[0011] By adopting the above technical solution, the material is placed into the machine body through the placement hole.

[0012] As a further description of the above technical solution: a touch screen is provided on the rear side of the outer wall of the machine body.

[0013] By adopting the above technical solution, the touch screen is used to display data.

[0014] As a further description of the above technical solution: the outer ring of the lifting rod has two limiting grooves, and the inner walls of the two limiting grooves are slidably connected with connecting blocks, and the connecting blocks are fixedly connected to the linear bearing.

[0015] By adopting the above technical solution, the connecting block slides in the limiting groove to limit the lifting rod.

[0016] As a further description of the above technical solution: the outer ring of the screen is fixedly connected to two limiting blocks, and the limiting blocks are slidably connected to the lifting frame.

[0017] By adopting the above technical solution

[0018] As a further description of the above technical solution: a connecting pipe is connected through and fixedly connected to one side of the bottom of the sieve, and a transport pipe is connected through and fixedly connected to the bottom of the connecting pipe.

[0019] By adopting the above technical solution, gas can be transported between the connecting pipe and the transport pipe.

[0020] As a further description of the above technical solution: the outer wall of the machine body is provided with evenly distributed ventilation openings on one side.

[0021] By adopting the above technical solution, the vent can achieve ventilation and heat dissipation.

[0022] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0023] This utility model provides a fully automatic cement negative pressure sieve analyzer. It consists of a first stepper motor, a lifting frame, a sieve, a sieve cover, and a vibrator. A second stepper motor drives the load-bearing frame to rotate, weighing the material. Starting the first stepper motor rotates the lead screw, causing the sieve to move downwards and close with the sieve bottom. Then, starting the third stepper motor rotates the sieve cover to the top of the sieve. An electromagnet is then energized, forming a sealed space. The vibrator then operates, vibrating the material. Simultaneously, a negative pressure vacuum cleaner below operates, performing the sieve analysis. This system is automated and easy to use. Attached Figure Description

[0024] Figure 1 This is a three-dimensional view of the overall structure of this utility model;

[0025] Figure 2 This is a cross-sectional view of the overall structure of this utility model;

[0026] Figure 3 This is a schematic diagram of the sieve structure of this utility model;

[0027] Figure 4 This is a schematic diagram of the load-bearing frame structure of this utility model;

[0028] Figure 5 This is a schematic diagram of the sieve bottom structure of this utility model.

[0029] In the diagram: 1. Machine body; 2. Transparent windproof cover; 3. Touch screen; 4. Placement hole; 5. Negative pressure vacuum cleaner; 6. Transport pipe; 7. Screen; 8. Screen mesh; 9. Lifting rod; 10. First stepper motor; 11. Screen bottom; 12. Lead screw; 13. Linear bearing; 14. Limiting groove; 15. Connecting block; 16. Fixing plate; 17. Load-bearing frame; 18. Screen weighing device; 19. Load-bearing rotating shaft; 20. Second stepper motor; 21. Screen cover; 22. Screen rod connecting rod; 23. Vibrator; 24. Electromagnet; 25. Connecting pipe; 26. Lifting frame; 27. Third stepper motor; 28. Screen cover transmission rod; 29. ​​Ventilation port; 30. Limiting block. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings.

[0032] Combination Figure 1 This utility model discloses a fully automatic cement negative pressure screening instrument, including a body 1. A fixing plate 16 is fixedly connected to the top of the inner wall of the body 1. The fixing plate 16 is used to support the detection mechanism. A first stepper motor 10 is fixedly connected to the center of the bottom of the fixing plate 16. When the first stepper motor 10 is working, the lead screw 12 rotates, causing the lifting rod 9 to move. The output end of the first stepper motor 10 is fixedly connected to the lead screw 12. The outer ring of the lead screw 12 is threadedly connected to the lifting rod 9. A lifting frame 26 is fixedly connected to the top of the lifting rod 9. A transparent windproof cover 2 is provided on the top of the body 1. The transparent windproof cover 2 facilitates viewing inside and has a dustproof effect. A placement hole 4 is opened on the top of the outer wall of the transparent windproof cover 2. The material can be placed into the inside of the body 1 through the placement hole 4. A touch screen 3 is provided on the rear side of the outer wall of the body 1.

[0033] Combination Figures 3-5 A sieve 7 is installed on one side of the inner ring of the lifting frame 26. A screen 8 is installed at the bottom of the inner wall of the sieve 7. An iron material is installed above the sieve 7. When the electromagnet 24 is energized, it attracts the sieve 7. A sealing ring is installed between the sieve 7 and the sieve bottom 11. A linear bearing 13 is fixedly connected through and fixedly connected to the center of the bottom of the fixing plate 16. A second stepper motor 20 is fixedly connected to the left side of the bottom of the fixing plate 16. When the second motor 20 is working, it can drive the load-bearing frame 17 to rotate and move it below the sieve 7. By adjusting the position of the sieve 7, weighing is achieved. A load-bearing rotating shaft 19 is fixedly connected through and fixedly connected to the output end of the second stepper motor 20. The load-bearing frame 17 is fixedly connected to the top of the load-bearing rotating shaft 19. The top of the load-bearing frame 17 is equipped with a... The sieve weighing device 18 is used for weighing and detection. A third stepper motor 27 is fixedly connected to the bottom left side of the fixed plate 16. The output end of the third stepper motor 27 is connected to the sieve cover transmission rod 28 through and fixedly connected. The top of the sieve cover transmission rod 28 is fixedly connected to the sieve rod connecting rod 22. When the third stepper motor 27 works, it drives the sieve cover 21 to rotate above the sieve 7. Then the electromagnet 24 is energized, which can achieve sealing. The bottom of the sieve rod connecting rod 22 is fixedly connected to the sieve cover 21. The bottom of the sieve cover 21 is equipped with an electromagnet 24. The top of the sieve cover 21 is fixedly connected to two vibrators 23. When the vibrators 23 work, screening can be performed. The sieve bottom 11 is fixedly connected to the center of the top of the fixed plate 16 through and fixedly connected.

[0034] Combination Figure 2A negative pressure vacuum cleaner 5 is fixedly connected to the bottom of the inner wall of the machine body 1. A transport pipe 6 is fixedly connected to the top of the negative pressure vacuum cleaner 5. The negative pressure vacuum cleaner 5 can generate negative pressure, and then the transport pipe 6 transports the vacuum cleaner, causing negative pressure to be generated inside the sieve bottom 11. Two limiting grooves 14 are opened on the outer ring of the lifting rod 9. Connecting blocks 15 are slidably connected to the inner walls of the two limiting grooves 14. The connecting blocks 15 are fixedly connected to the linear bearing 13. Two limiting blocks 30 are fixedly connected to the outer ring of the sieve 7. When the sieve 7 is adjusted to a suitable position, the load-bearing frame 7 can support the sieve 7. Then the limiting blocks 30 will slide between the lifting frame 26 and the lifting frame 26. The limiting blocks 30 and the lifting frame 26 are slidably connected. A connecting pipe 25 is fixedly connected to one side of the bottom of the sieve bottom 11. The transport pipe 6 is fixedly connected to the bottom of the connecting pipe 25. Ventilation vents 29 can be used for ventilation and heat dissipation. Ventilation vents 29 are evenly distributed on one side of the outer wall of the machine body 1.

[0035] Working Principle: When using the cement negative pressure sieve analyzer, first place the material inside the sieve 7. Then, start the second stepper motor 20 to move the support frame 17 below the sieve 7. Next, start the first stepper motor 10 to drive the lead screw 12 to rotate, causing the lifting rod 9 to move downwards. When the sieve 7 contacts the support frame 17, the limit block 30 slides against the lifting frame 26, and the support frame 17 supports the sieve 7. Then, the sieve weigher 18 performs the pre-test weighing. After the test is completed, the second stepper motor 20 starts again to reset the support frame 17. Then, start the first stepper motor 10 again. Stepper motor 10 operates, driving lifting frame 26 to move downwards, causing sieve 7 to move downwards and close with sieve bottom 11. Then, third stepper motor 27 is started, driving sieve cover 21 to rotate above sieve 7. At the same time, electromagnet 24 is energized to achieve sealing. Then vibrator 23 can operate to generate vibration. Simultaneously, negative pressure vacuum cleaner 5 below operates to generate negative pressure for negative pressure sieving. After completion, sieve 7 and sieve cover 21 are reset. Second stepper motor 20 is started again to drive load-bearing frame 17 to rotate and weigh the tested material. The whole process is automated and easy to use.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fully automatic cement negative pressure sieve analyzer, comprising a machine body (1), characterized in that: The inner wall top of the machine body (1) is fixedly connected with a fixed plate (16), the bottom center of the fixed plate (16) is fixedly connected with a first stepper motor (10), the output end of the first stepper motor (10) is fixedly connected with a lead screw (12), the outer circle of the lead screw (12) is threadedly connected with a lifting rod (9), the top of the lifting rod (9) is fixedly connected with a lifting frame (26), one side of the inner circle of the lifting frame (26) is provided with a sieve (7), the inner wall bottom of the sieve (7) is provided with a sieve screen (8), the bottom center of the fixed plate (16) is penetrated and fixedly connected with a linear bearing (13), the bottom left of the fixed plate (16) is fixedly connected with a second stepper motor (20), the output end of the second stepper motor (20) is penetrated and fixedly connected with a load bearing rotating shaft (19), the top of the load bearing rotating shaft (19) is fixedly connected with a load bearing frame (17), the top of the load bearing frame (17) is provided with a sieve scale (18), the bottom left of the fixed plate (16) is fixedly connected with a third stepper motor (27), the output end of the third stepper motor (27) is penetrated and fixedly connected with a sieve cover transmission rod (28), the top of the sieve cover transmission rod (28) is fixedly connected with a sieve rod connecting rod (22), the bottom of the sieve rod connecting rod (22) is fixedly connected with a sieve cover (21), the bottom of the sieve cover (21) is provided with an electromagnet (24), the top of the sieve cover (21) is fixedly connected with two vibrators (23), the top center of the fixed plate (16) is penetrated and fixedly connected with a sieve bottom (11).

2. The fully automatic cement negative pressure sieve analyzer according to claim 1, characterized in that: The inner wall bottom of the machine body (1) is fixedly connected with a negative pressure suction cleaner (5), the top of the negative pressure suction cleaner (5) is penetrated and fixedly connected with a conveying pipe (6).

3. The fully automatic cement negative pressure fineness analyzer according to claim 1, characterized in that: The top of the machine body (1) is provided with a transparent wind shield (2), the top of the outer wall of the transparent wind shield (2) is provided with a placing hole (4).

4. The fully automatic cement negative pressure fineness analyzer according to claim 1, characterized in that: The rear side of the outer wall of the machine body (1) is provided with a touch screen (3).

5. The fully automatic cement negative pressure fineness analyzer according to claim 1, characterized in that: The outer circle of the lifting rod (9) is provided with two limiting grooves (14), the inner wall of the two limiting grooves (14) is slidably connected with a connecting block (15), and the connecting block (15) is fixedly connected between the linear bearing (13).

6. The fully automatic cement negative pressure fineness analyzer according to claim 1, characterized in that: The outer circle of the sieve (7) is fixedly connected with two limiting blocks (30), and the limiting blocks (30) are slidably connected between the lifting frame (26).

7. The fully automatic cement negative pressure fineness analyzer according to claim 1, characterized in that: The bottom side of the sieve bottom (11) is penetrated and fixedly connected with a connecting pipe (25), and the bottom of the connecting pipe (25) is penetrated and fixedly connected with a conveying pipe (6).

8. The fully automatic cement negative pressure sieve analyzer according to claim 1, characterized in that: The outer wall of the machine body (1) is provided with evenly distributed air vents (29) on one side.

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