Negative pressure screen analysis instrument for cement fineness detection

Abstract

The utility model discloses a cement fineness detection negative pressure screen analysis instrument, which relates to the field of screen analysis instruments and comprises an equipment box body, an equipment box cover is arranged on the outer wall of the top of the equipment box body, four groups of bottom supports are arranged on the outer wall of the bottom of the equipment box body, and the four groups of bottom supports are symmetrically distributed at four corners of the outer wall of the bottom of the equipment box body. A feeding hole is formed in the outer wall of the equipment box body, a discharging hole is formed in the bottom of the equipment box body, and two sets of screen through holes A are formed in one side of the outer wall of the equipment box body. By arranging the equipment box body, the feeding hole, the discharging hole, the screen mesh through hole A, the electric telescopic rod A, the screen mesh A, the screen mesh through hole B, the electric telescopic rod B and the screen mesh B, cement can be screened and filtered twice, and the screened material is finer; a first through hole, a double-end bolt, a second through hole, a transparent observation window, a magnet scraper A and a magnet scraper B are arranged, so that daily operation and use of a user are facilitated.

Description

Technical Field

[0001] The utility model relates to the field of sieving instruments, in particular to a negative pressure sieving instrument for detecting cement fineness. Background Art

[0002] For example, a negative pressure sieve analyzer for cement fineness detection in a patent (Announcement No.: CN217484114U) includes a support platform and a negative pressure screen box, a negative pressure screen box is installed on the top of the support platform, a screen is provided on the top of the negative pressure screen box, a screen cover is provided on the top of the screen, a vibration block is provided at the center position of the bottom end of the negative pressure screen box, a driving frame is installed at the bottom end of the vibration block, a rotating driving member is provided outside the support platform below the driving frame, a swing arm is installed on the outer wall of the rotating driving member, a driving arm is provided at one end of the swing arm away from the rotating driving member, and the top end of the driving arm is movably connected to the driving frame. The utility model not only realizes the efficient vibration operation of the negative pressure sieve analyzer for cement fineness detection, prevents the internal mesh from being blocked, but also improves the accuracy of the detection of the negative pressure sieve analyzer.

[0003] Although the negative pressure sieve analyzer for detecting cement fineness is provided with a relevant screening device, it has only one screening procedure, which may cause some cement to fail to be screened out, and the screening accuracy and strength of cement are insufficient to meet the use requirements. Therefore, it is necessary to invent a negative pressure sieve analyzer for detecting cement fineness to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a negative pressure sieving instrument for detecting cement fineness, so as to solve the problem of insufficient sieving accuracy proposed in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a negative pressure sieve analyzer for cement fineness detection, comprising an equipment box, a top outer wall of the equipment box is provided with an equipment box cover, a bottom outer wall of the equipment box is provided with four groups of bottom brackets, the four groups of bottom brackets are symmetrically distributed at the four corners of the bottom outer wall of the equipment box, the outer wall of the equipment box is provided with a feed hole, and the bottom of the equipment box is provided with a discharge hole, wherein the four groups of bottom brackets support the equipment box to be dragged off the ground, the box cover closes the top of the equipment box, and cement can be introduced into the box through the feed hole on the outer wall of the equipment box, and the cement can be discharged through the equipment box. The discharge hole at the bottom discharges the cement, and two groups of screen holes A are provided on one side of the outer wall of the equipment box, and the two groups of screen holes A are symmetrically distributed on the outer wall of the equipment box. An electric telescopic rod A is provided on one side of the screen hole A, and the operation of the electric telescopic rod A can drive the screen A inside the screen hole A to operate, and two groups of screen holes B are provided on the other side of the outer wall of the equipment box, and the two groups of screen holes B are symmetrically distributed on the other side of the outer wall of the equipment box, and an electric telescopic rod B is provided on one side of the screen hole B, and the operation of the electric telescopic rod B can drive the screen B on the inner wall of the screen hole B to operate.

[0006] Preferably, two groups of first through holes are opened on the outer wall of the discharge hole, and the two groups of first through holes are symmetrically distributed on both sides of the outer wall of the discharge hole. A double-headed pin is arranged inside the first through hole, and the inner diameter of the first through hole is the same as the outer diameter of the double-headed pin. The first through hole is connected with the double-headed pin, and the user can extract the double-headed pins inserted in the inner walls of the two groups of first through holes on the outer wall of the discharge hole to allow cement to fall through.

[0007] Preferably, a screen A is arranged inside the screen through hole A, the inner diameter of the screen through hole A is the same as the outer diameter of the screen A, and the screen through hole A is plugged into the screen A, wherein the screen through hole A is operated by an electric telescopic rod A connected to the outer wall, and the cement on it is scraped off and passes through the screen A and falls into the screen B.

[0008] Preferably, a screen B is arranged inside the screen hole B, the inner diameter of the screen hole B is the same as the outer diameter of the screen B, the screen hole B is plugged into the screen B, wherein the screen B is operated through an electric telescopic rod B connected to the outer wall, and the cement on it is scraped away and passes through the screen B and falls into the discharge hole.

[0009] Preferably, two groups of second through holes are opened on the outer wall of the equipment case, and the two groups of second through holes are symmetrically distributed on the outer wall of the equipment case. A transparent observation window is provided inside the second through holes, and the transparent observation window is fixedly connected to the equipment case through the second through holes, wherein the user can understand the working conditions inside the equipment case through the transparent observation window fixed on the inner wall of the second through hole on the outer wall of the equipment case.

[0010] Preferably, the outer wall of the transparent observation window is provided with a magnetic scraper A, and the inner wall of the transparent observation window is provided with a magnetic scraper B, wherein the user can slide the magnetic scraper A to drive the magnetic scraper B attracted to it to slide up and down, thereby scraping off the dust on the inner and outer walls of the transparent observation window.

[0011] Preferably, an exhaust pipe is provided on the outer wall of the equipment box, an air pump is provided on one side of the exhaust pipe, and a dust collecting tank is provided on one side of the air pump, wherein the exhaust pipe on the outer wall of the equipment box can extract the air inside and reduce the air pressure inside the box.

[0012] Technical effects and advantages of the utility model:

[0013] 1. By setting the equipment box, feed hole, discharge hole, screen through hole A, electric telescopic rod A, screen A, screen through hole B, electric telescopic rod B, and screen B, the user can introduce cement through the feed hole on the outer wall of the equipment box to the top of screen A inside the screen through hole A on the outer wall. The electric telescopic rod A on one side of screen A can run to drag the cement on the top and sieve it through the holes on the outer wall of screen A. The sieved cement falls into the top of screen B inside the screen through hole B. The electric telescopic rod B on one side of screen B can run to drag the cement on the top and sieve it through the holes on the outer wall of screen B. The sieved cement is discharged through the discharge hole at the bottom of the equipment box, so that the cement can be sieved and filtered twice, making the sieved material finer;

[0014] 2. By setting the first through hole, the double-headed plug, the second through hole, the transparent observation window, the magnetic scraper A, and the magnetic scraper B, the user can understand the working conditions inside the equipment through the transparent observation window plugged into the two groups of second through holes on the outer wall of the equipment box, and drag the magnetic scraper A on the outer wall of the transparent observation window and the magnetic scraper B on the inner wall to scrape off the dust on the inner wall of the transparent observation window, and the discharge hole can be opened by dragging one end of the double-headed plug plugged into the first through hole on the outer wall of the discharge hole at the bottom of the equipment box, so as to facilitate the user's daily operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the overall structure of a negative pressure sieve analyzer for detecting cement fineness.

[0016] Figure 2 The utility model is a schematic diagram of the top view of the structure of a negative pressure sieve analyzer for detecting cement fineness.

[0017] Figure 3 The utility model is a schematic diagram of the structure of a negative pressure sieve analyzer for detecting cement fineness when viewed from above.

[0018] Figure 4 The utility model is a schematic diagram of the explosion structure of a negative pressure sieve analyzer for detecting cement fineness.

[0019] In the figure: 1. Equipment box; 2. Equipment box cover; 3. Bottom bracket; 4. Feed hole; 5. Discharge hole; 6. First through hole; 7. Double-headed latch; 8. Screen through hole A; 9. Electric telescopic rod A; 10. Screen A; 11. Screen through hole B; 12. Electric telescopic rod B; 13. Screen B; 14. Second through hole; 15. Transparent observation window; 16. Magnetic scraper A; 17. Magnetic scraper B; 18. Exhaust pipe; 19. Air pump; 20. Dust collection tank. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The utility model provides Figure 1-4 The negative pressure sieve analyzer for cement fineness detection shown in the figure comprises an equipment box 1, an equipment box cover 2 is arranged on the top outer wall of the equipment box 1, four groups of bottom brackets 3 are arranged on the bottom outer wall of the equipment box 1, and the four groups of bottom brackets 3 are symmetrically distributed at the four corners of the bottom outer wall of the equipment box 1, the outer wall of the equipment box 1 is provided with a feed hole 4, and the bottom of the equipment box 1 is provided with a discharge hole 5, wherein the four groups of bottom brackets 3 support the equipment box 1 to be dragged off the ground, the equipment box cover 2 closes the top of the equipment box 1, and cement can be introduced into the box through the feed hole 4 on the outer wall of the equipment box 1, and the cement can be discharged through the discharge hole 5 at the bottom of the equipment box 1 Two groups of screen through holes A8 are provided on one side of the outer wall of the equipment box 1, and the two groups of screen through holes A8 are symmetrically distributed on the outer wall of the equipment box 1. An electric telescopic rod A9 is provided on one side of the screen through hole A8, wherein the operation of the electric telescopic rod A9 can drive the screen A10 inside the screen through hole A8 to operate, and two groups of screen through holes B11 are provided on the other side of the outer wall of the equipment box 1, and the two groups of screen through holes B11 are symmetrically distributed on the other side of the outer wall of the equipment box 1, and an electric telescopic rod B12 is provided on one side of the screen through hole B11, wherein the operation of the electric telescopic rod B12 can drive the screen B13 on the inner wall of the screen through hole B11 to operate.

[0022] Two groups of first through holes 6 are provided on the outer wall of the discharge hole 5, and the two groups of first through holes 6 are symmetrically distributed on both sides of the outer wall of the discharge hole 5. A double-headed plug 7 is provided inside the first through hole 6. The inner diameter of the first through hole 6 is the same as the outer diameter of the double-headed plug 7. The first through hole 6 is plugged with the double-headed plug 7, and the user can extract the double-headed plug 7 inserted in the inner wall of the two groups of first through holes 6 on the outer wall of the discharge hole 5 to allow cement to fall from it.

[0023] A screen A10 is arranged inside the screen hole A8, and the inner diameter of the screen hole A8 is the same as the outer diameter of the screen A10. The screen hole A8 is plugged into the screen A10, wherein the screen hole A8 is operated through an electric telescopic rod A9 connected to the outer wall, and the cement on it is scraped off and passes through the screen A10 and falls into the screen B13.

[0024] A screen B13 is arranged inside the screen hole B11. The inner diameter of the screen hole B11 is the same as the outer diameter of the screen B13. The screen hole B11 is plugged into the screen B13, wherein the screen B13 runs through an electric telescopic rod B12 connected to the outer wall, scraping off the cement on it and passing through the screen B13 into the discharge hole 5.

[0025] Two groups of second through holes 14 are provided on the outer wall of the equipment case 1, and the two groups of second through holes 14 are symmetrically distributed on the outer wall of the equipment case 1. A transparent observation window 15 is provided inside the second through holes 14, and the transparent observation window 15 is fixedly connected to the equipment case 1 through the second through holes 14. The user can understand the working conditions inside the equipment case 1 through the transparent observation window 15 fixed on the inner wall of the second through holes 14 on the outer wall of the equipment case 1.

[0026] The outer wall of the transparent observation window 15 is provided with a magnetic scraper A16, and the inner wall of the transparent observation window 15 is provided with a magnetic scraper B17, wherein the user can slide the magnetic scraper A16 to drive the magnetic scraper B17 attracted to it to slide up and down, thereby scraping off the dust on the inner and outer walls of the transparent observation window 15.

[0027] An exhaust pipe 18 is arranged on the outer wall of the equipment box 1, an air pump 19 is arranged on one side of the exhaust pipe 18, and a dust collecting tank 20 is arranged on one side of the air pump 19, wherein the exhaust pipe 18 on the outer wall of the equipment box 1 can extract the air inside and reduce the air pressure inside the box.

[0028] Working principle: The user can introduce cement into the equipment box 1 through the feed hole 4 on the outer wall, and the cement falls into the screen A10 inside the screen through hole A8 on the outer wall of the equipment box 1. The electric telescopic rod A9 on one side of the screen A10 can be operated to push the screen A10 to operate, so that the cement is shaken into the through hole of the screen A10 for sieving, and falls into the screen B13 inside the screen through hole B11. The electric telescopic rod B12 on one side of the screen B13 can be operated to push the screen B13 to operate, so that the cement is shaken into the through hole of the screen B13 for sieving, and falls into the discharge hole 5 at the bottom of the equipment box 1. The equipment can screen cement twice to make it finer; the user can plug the transparent observation window 15 into the second through hole 14 on the outer wall of the equipment box 1 to understand the working conditions inside the equipment, and drag the magnetic scraper A16 on the outer wall of the transparent observation window 15 and the magnetic scraper B17 on the inner wall to scrape the dust on the inner and outer walls of the transparent observation window 15, and the discharge hole 5 can be opened by dragging the double-headed pin 7 plugged into the first through hole 6 inside the discharge hole 5, which is convenient for the user's operation, thereby realizing the fine screening and convenient operation functions of a negative pressure sieve analyzer for cement fineness detection.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. The scope of protection of the utility model is determined by the attached claims and their equivalents.

Claims

1. A negative pressure sieve analyzer for detecting cement fineness, comprising an equipment box (1), characterized in that: The top outer wall of the device box (1) is provided with a device box cover (2); the bottom outer wall of the device box (1) is provided with four groups of bottom brackets (3), and the four groups of bottom brackets (3) are symmetrically distributed at the four corners of the bottom outer wall of the device box (1); the outer wall of the device box (1) is provided with a feed hole (4); the bottom of the device box (1) is provided with a discharge hole (5); one side of the outer wall of the device box (1) is provided with two groups of screen through holes A (8), and the two groups of screen through holes A (8) are symmetrically distributed on the outer wall of the device box (1); one side of the screen through holes A (8) is provided with an electric telescopic rod A (9); the other side of the outer wall of the device box (1) is provided with two groups of screen through holes B (11), and the two groups of screen through holes B (11) are symmetrically distributed on the other side of the outer wall of the device box (1); one side of the screen through holes B (11) is provided with an electric telescopic rod B (12).

2. A negative pressure sieve analyzer for cement fineness detection according to claim 1, characterized in that: The outer wall of the discharge hole (5) is provided with two groups of first through holes (6), and the two groups of first through holes (6) are symmetrically distributed on both sides of the outer wall of the discharge hole (5). A double-headed plug (7) is arranged inside the first through hole (6), and the inner diameter of the first through hole (6) is the same as the outer diameter of the double-headed plug (7), and the first through hole (6) is plugged with the double-headed plug (7).

3. A negative pressure sieve analyzer for cement fineness detection according to claim 1, characterized in that: A sieve A (10) is disposed inside the sieve through hole A (8), the inner diameter of the sieve through hole A (8) is the same as the outer diameter of the sieve A (10), and the sieve through hole A (8) is plugged into the sieve A (10).

4. A negative pressure sieve analyzer for cement fineness detection according to claim 1, characterized in that: A screen B (13) is arranged inside the screen through hole B (11), the inner diameter of the screen through hole B (11) is the same as the outer diameter of the screen B (13), and the screen through hole B (11) is plugged into the screen B (13).

5. A negative pressure sieve analyzer for cement fineness detection according to claim 1, characterized in that: The outer wall of the device box (1) is provided with two groups of second through holes (14), the two groups of second through holes (14) are symmetrically distributed on the outer wall of the device box (1), and a transparent observation window (15) is provided inside the second through holes (14), and the transparent observation window (15) is fixedly connected to the device box (1) through the second through holes (14).

6. A negative pressure sieve analyzer for cement fineness detection according to claim 5, characterized in that: The outer wall of the transparent observation window (15) is provided with a magnetic scraper A (16), and the inner wall of the transparent observation window (15) is provided with a magnetic scraper B (17).

7. A negative pressure sieve analyzer for cement fineness detection according to claim 1, characterized in that: An air extraction pipe (18) is arranged on the outer wall of the equipment box (1), an air pump (19) is arranged on one side of the air extraction pipe (18), and a dust collecting tank (20) is arranged on one side of the air pump (19).

Images