CN221714855U - Multistage quartz sand screening machine for fracturing - Google Patents

Abstract

The utility model discloses a quartz sand screening machine for multistage fracturing, which comprises a screening cylinder, a screening plate and a motor, wherein the screening plate is arranged in the middle of the screening cylinder at equal intervals, the motor is fixedly arranged at the upper end of the screening cylinder, the screening plates are respectively clamped and arranged at the left side and the right side of the screening plate, the pore size of the screening plates gradually decreases from top to bottom, a dismounting structure is formed between the screening plates and the screening plates through a limiting mechanism, and a movable frame is fixedly connected at the upper end of a fixed column. This quartz sand screening machine for multistage fracturing is convenient for carry out multistage screening to quartz sand and handles, combines the setting of eccentric wheel, movable frame and dead lever, drives the screen cloth and carries out the horizontal movement in screening section of thick bamboo for quartz sand sieves through the screen cloth fast, has promoted actual screening efficiency greatly, moreover through stop gear's setting, is convenient for dismantle the clearance to the screen cloth, prevents that the screen cloth from taking place to block up in long-term use.

Description

A multi-stage quartz sand screening machine for fracturing

Technical Field

The utility model relates to the technical field related to quartz sand screening and processing, in particular to a multi-stage quartz sand screening machine for fracturing.

Background Art

Quartz sand refers to quartz particles formed by crushing quartz stone. Its color is milky white or colorless and translucent. The processing of quartz sand formed by fracturing and crushing quartz stone includes many steps, including screening of quartz particles.

With reference to Chinese patent authorization announcement number CN216757189U, the authorization announcement date is 2022.06.17, which discloses a quartz sand screening machine, which includes a machine base, a working chamber, a swivel, a driving vibration mechanism, a funnel and a multi-stage screening mechanism; the utility model has a reasonable and simple structure, low production cost, convenient installation, and complete functions. The driving vibration mechanism set here can drive the swivel as a whole to rotate through a motor, thereby improving the screening efficiency. In addition, when the swivel rotates, it will also move left and right in conjunction with the fixed inclined block and the spring, which further improves the screening efficiency; the utility model is provided with a discharge port three, a collecting hole two and a discharge port one, which is convenient for conveying the screened products through the collecting hole three, the collecting hole two and the collecting hole one to the corresponding collecting box three, the collecting box two and the collecting box one, thereby improving the convenience during work;

However, the prior art has the problem that it is inconvenient to perform multi-stage screening on quartz sand, and during the long-term screening process, the inside of the device is prone to blockage, and it is inconvenient to disassemble and clean the screen. For example, the comparative patents listed above have this problem.

For this reason, we proposed a multi-stage quartz sand screening machine for fracturing to solve the above problems.

Utility Model Content

The purpose of the utility model is to provide a multi-stage quartz sand screening machine for fracturing, so as to solve the problems in the prior art proposed in the above-mentioned background technology that it is inconvenient to perform multi-stage screening treatment on quartz sand, and during the long-term screening treatment process, the inside of the device is prone to blockage, and it is inconvenient to disassemble and clean the screen.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-stage quartz sand screening machine for fracturing, comprising a screening cylinder, a screening plate arranged at equal intervals in the middle of the screening cylinder, and a motor fixedly installed at the upper end of the screening cylinder;

A feeding port is provided at the lower end of the screening cylinder;

Also includes:

The screen is respectively mounted on the left and right sides of the screen plate, and the aperture size of the screen decreases gradually from top to bottom, and a disassembly structure is formed between the screen and the screen plate through a limiting mechanism;

The movable frame is fixedly connected to the upper end of the fixed column, and the fixed column is fixedly connected to the middle of the screen plate, and the movable frame drives the screen plate and the screen to move left and right in the screening cylinder through the fixed column.

Preferably, a discharge box is provided on the outer side of the sieve plate, and the discharge box is fixedly connected to the left and right sides of the sieving cylinder respectively, and the discharge box is connected to the sieve plate by a slot.

Preferably, a left-right sliding structure is formed between the lower end of the fixed column and the supporting column, and the supporting column is fixedly connected to the bottom of the screening cylinder.

Preferably, an eccentric wheel is fixedly connected to the output end of the motor, and the motor drives the eccentric wheel to rotate inside the movable frame, and the eccentric wheel is arranged in close contact with the inner wall of the movable frame.

Preferably, both left and right sides of the movable frame are fixedly connected with fixed rods, and a sliding structure is formed between the fixed rods and the fixed brackets, and the fixed brackets are respectively fixedly connected to the left and right sides of the upper end of the screening cylinder.

Preferably, the limiting mechanism is symmetrically arranged on the left and right sides of the screen;

At the same time, the limiting mechanism includes a support block fixedly connected to the lower end of the screen plate, a fixed block hingedly connected to the support block, an auxiliary rod with threads on the outer surface and a fixed cap for limiting.

Preferably, the fixing block forms a flip structure at the lower end of the screen plate, and the fixing block is connected to the auxiliary rod by a slot, and the auxiliary rod is fixedly connected to the lower end of the screen.

Preferably, a fixing cap is threadedly connected to the outer surface of the auxiliary rod, and the fixing cap is fitted on the lower end of the fixing block, and the fixing block and the screen are fitted.

Compared with the prior art, the utility model has the following beneficial effects: the sieve plate and the screen are arranged at equal intervals in the screening cylinder, so that the quartz sand can be easily screened in multiple stages. The eccentric wheel, the movable frame and the fixed rod are arranged to drive the screen to move left and right in the screening cylinder, so that the quartz sand can be quickly screened through the screen, which greatly improves the actual screening efficiency. Moreover, the setting of the limit mechanism makes it easy to disassemble and clean the screen, so as to prevent the screen from being blocked during long-term use.

1. It is equipped with sieve plates, screen meshes and discharge boxes. There are multiple groups of sieve plates and screen meshes in the screening cylinder, which is convenient for multi-stage screening of quartz sand. Combined with the setting of the discharge box, it is convenient to discharge the quartz sand of different particle sizes screened out;

2. It is equipped with an eccentric wheel, a movable frame and a fixed rod. The eccentric wheel rotates in the movable frame to drive the fixed rod and the fixed bracket to slide, thereby driving the screen to move left and right in the screening cylinder, greatly improving the screening efficiency of quartz sand;

3. A limiting mechanism is provided, which is symmetrically arranged on the left and right sides of the screen, and the limiting mechanism includes a supporting block, a fixing block, an auxiliary rod and a fixing cap. Through the setting of the limiting mechanism, it is convenient to disassemble and clean the supporting block.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the utility model in front view and cutaway structure;

Figure 2 is a schematic diagram of the overall structure of the connection between the sieve plate, the sieve mesh and the discharge box of the utility model;

FIG3 is a schematic diagram of the top view of the connection structure of the eccentric wheel, the movable frame and the fixed rod of the utility model;

FIG4 is an enlarged schematic diagram of the structure of point A in FIG1 of the present utility model;

FIG5 is a schematic diagram of the overall structure of the fixing block, the auxiliary rod and the auxiliary rod connection of the utility model.

In the figure: 1. screening cylinder; 2. sieve plate; 3. sieve; 4. discharge box; 5. fixed column; 6. support column; 7. motor; 8. eccentric wheel; 9. movable frame; 10. fixed rod; 11. fixed bracket; 12. limiting mechanism; 13. support block; 14. fixed block; 15. auxiliary rod; 16. fixing cap.

DETAILED DESCRIPTION

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.

Please refer to Figures 1-5. The utility model provides a technical solution: a multi-stage quartz sand screening machine for fracturing, including a screening cylinder 1, a screen plate 2, a screen 3, a discharge box 4, a fixed column 5, a support column 6, a motor 7, an eccentric wheel 8, a movable frame 9, a fixed rod 10, a fixed bracket 11, a limiting mechanism 12, a support block 13, a fixed block 14, an auxiliary rod 15 and a fixed cap 16.

When the multi-stage quartz sand screening machine for fracturing is used, as shown in FIG1 and FIG2, the sieve plates 2 are arranged at equal intervals in the screening cylinder 1, and the screens 3 are respectively mounted on the left and right sides of the sieve plates 2. When the quartz sand is screened, the quartz sand to be screened is first added to the screening cylinder 1, and the quartz sand is screened through the screen 3, and the aperture size of the screen 3 decreases from top to bottom, so as to facilitate multi-stage screening of the quartz sand. At the same time, the left and right sides of the screening cylinder 1 are fixedly connected with the discharge box 4. After the screening process is completed, the quartz sand is discharged through the discharge box 4;

At the same time, during the screening process, as shown in Figures 1 and 3, by starting the motor 7 installed at the upper end of the screening drum 1, the output end of the motor 7 is fixedly connected with an eccentric wheel 8, and the motor 7 drives the eccentric wheel 8 to rotate in the movable frame 9, and the eccentric wheel 8 is fitted to the inner wall of the movable frame 9, and the eccentric wheel 8 drives the fixed rod 10 and the fixed bracket 11 to slide through the movable frame 9, and the movable frame 9 is fixedly connected to the upper end of the fixed column 5, and the fixed column 5 is fixedly connected to the sieve plate 2, thereby driving the fixed column 5 and the support column 6 to slide left and right, so that the sieve plate 2 and the screen 3 move left and right in the screening drum 1, and the quartz sand is quickly screened through the screen 3, which greatly improves the actual screening efficiency;

After the screening process is completed, turn off the power supply, as shown in Figures 4 and 5, the screen 3 and the screen plate 2 are limited by the limiting mechanism 12, and the limiting mechanism 12 is symmetrically arranged on the left and right sides of the screen 3, the limiting mechanism 12 includes a supporting block 13 fixedly connected to the lower end of the screen plate 2, a fixing block 14 hingedly connected to the supporting block 13, an auxiliary rod 15 with threads on the outer surface and a fixing cap 16 for limiting. The fixing cap 16 threadedly connected to the outer surface of the auxiliary rod 15 can be rotated to release the limit between the fixing block 14 and the auxiliary rod 15, and then the fixing block 14 is flipped downward, and the fixing block 14 is rotated between the support block 13. At this time, the fixing block 14 is disengaged from the auxiliary rod 15, thereby releasing the limit between the screen 3 and the screen plate 2, and then the screen 3 is taken out from the screen plate 2 downward, so as to facilitate the disassembly and cleaning of the screen 3 to prevent the screen 3 from being blocked during long-term use.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A quartz sand screening machine for multi-stage fracturing comprises a screening cylinder (1), a screen plate (2) which is arranged in the middle of the screening cylinder (1) at equal intervals and a motor (7) which is fixedly arranged at the upper end of the screening cylinder (1);

The lower end of the screening cylinder (1) is provided with a feed opening;

characterized by further comprising:

The screen (3) is respectively clamped and installed on the left side and the right side of the screen plate (2), the aperture size of the screen (3) gradually decreases from top to bottom, and a disassembly structure is formed between the screen (3) and the screen plate (2) through a limiting mechanism (12);

The movable frame (9), movable frame (9) fixed connection is in the upper end of fixed column (5), and fixed column (5) fixed connection is in the middle part of sieve (2), and movable frame (9) drive sieve (2) and screen cloth (3) through fixed column (5) and control and remove in screening section of thick bamboo (1).

2. The quartz sand screen for multi-stage fracturing according to claim 1, wherein: the outside of sieve (2) is provided with ejection of compact box (4), and ejection of compact box (4) are fixed connection respectively in the left and right sides of screening section of thick bamboo (1) to draw-in groove connection between ejection of compact box (4) and sieve (2).

3. The quartz sand screen for multi-stage fracturing according to claim 1, wherein: a left-right sliding structure is formed between the lower end of the fixed column (5) and the support column (6), and the support column (6) is fixedly connected to the bottom of the screening cylinder (1).

4. The quartz sand screen for multi-stage fracturing according to claim 1, wherein: the output end of the motor (7) is fixedly connected with the eccentric wheel (8), the motor (7) drives the eccentric wheel (8) to rotate in the movable frame (9), and the eccentric wheel (8) is attached to the inner side wall of the movable frame (9).

5. The quartz sand screen for multi-stage fracturing according to claim 4, wherein: the left side and the right side of the movable frame (9) are fixedly connected with fixing rods (10), a sliding structure is formed between the fixing rods (10) and the fixing supports (11), and the fixing supports (11) are respectively and fixedly connected to the left side and the right side of the upper end of the screening cylinder (1).

6. The quartz sand screen for multi-stage fracturing according to claim 1, wherein: the limiting mechanisms (12) are symmetrically arranged at the left side and the right side of the screen (3);

Simultaneously, stop gear (12) are including fixed connection at supporting shoe (13) of sieve (2) lower extreme, hinged joint fixed block (14) on supporting shoe (13), surface are provided with auxiliary rod (15) and be used for spacing fixed cap (16).

7. The quartz sand screen for multi-stage fracturing according to claim 6, wherein: the fixed block (14) forms a turnover structure at the lower end of the screen plate (2), the fixed block (14) is connected with the auxiliary rod (15) through a clamping groove, and the auxiliary rod (15) is fixedly connected with the lower end of the screen (3).

8. The quartz sand screen for multi-stage fracturing according to claim 7, wherein: the surface threaded connection of auxiliary rod (15) has fixed cap (16), and fixed cap (16) laminating sets up the lower extreme at fixed block (14) to be the laminating setting between fixed block (14) and screen cloth (3).