Observable screen frame and screening machine

Abstract

The utility model discloses an observable screen frame and a screening machine, relates to the technical field of screening equipment, and aims to solve the problems that after an existing screen frame is installed, the installation condition of a screen inside the screen frame cannot be observed, and meanwhile the material screening condition cannot be checked at any time when materials are screened. Comprising a screen frame, the screen frame is a cylindrical shell with the upper end and the lower end being through, the upper end and the lower end of the screen frame are each provided with a turnup used for installation and connection of the adjacent screen frame, an observation opening and an installation opening are further formed in the side wall of the screen frame, a blocking piece used for blocking the observation opening is further arranged on the screen frame, and a discharging piece used for discharging is installed on the installation opening. The observation opening is formed in the side wall of the screen frame, and a worker can check the installation condition of the screen cloth in the screen frame through the observation opening. The vibrating screen further comprises screen frames, the screen frames are connected with the screen frame through hoops, screen cloth is further arranged on the screen frames, the number of the screen frames is multiple sets, the adjacent screen frames are connected through hoops, a sealing cover is connected to the uppermost screen frame through a hoop, and a feeding port is formed in the sealing cover.

Description

Technical Field

[0001] The utility model relates to the technical field of screening equipment, in particular to an observable screen frame and a screening machine. Background Art

[0002] The process of separating bulk materials into different particle sizes through one or more screens is called screening. Screening machines use the relative movement between bulk materials and the screen surface to allow some particles to pass through the screen holes, thus separating sand, gravel, crushed stone and other materials into different particle sizes according to vibration screening equipment.

[0003] When assembling the screening machine, the screen frame needs to be installed with the screen seat and the screen frame of the screening machine. The screening machine has multiple layers of screen frames, which are connected by clamps. Most of the existing screen frames are rolled by a rolling machine. When installing the screen frame, only the external installation status can be observed, and the staff cannot view the installation status of the internal screen. In addition, during the material screening process, the screening status cannot be viewed in real time, which has certain disadvantages.

[0004] Therefore, the present application provides an observable screen frame and screening machine to meet the needs. Utility Model Content

[0005] The purpose of the present application is to provide an observable screen frame and screening machine, aiming to solve the problem that the installation status of the internal screen cannot be viewed after the existing screen frame is installed, and the material screening status cannot be checked at any time when the material is screened.

[0006] To achieve the above objectives, this application provides the following technical solutions:

[0007] An observable screen frame comprises a screen frame, which is a cylindrical shell with upper and lower ends transparent. The upper and lower ends of the screen frame are provided with flanges for installing and connecting adjacent screen frames. The side wall of the screen frame is also provided with an observation port and an installation port. The screen frame is also provided with a blocking member for blocking the observation port. A discharge member for discharging material is installed on the installation port. An observation port is provided on the side wall of the screen frame. Through the observation port, a staff can check the installation status of the screen inside the screen frame.

[0008] Preferably, the sealing part is made of rubber material, including an exposed part and a sealing part, the exposed part is located on the outside of the screen frame, and the longitudinal cross-sectional dimension of the exposed part is larger than the longitudinal cross-sectional dimension of the sealing part, the size of the sealing part matches the size of the observation port, the sealing part is arranged on the facing surface of the exposed part and the screen frame, and the exposed part and the back surface of the screen frame are also provided with a buckle groove for installing and disassembling the sealing part, and the sealing part is also provided with a blocking part to prevent the sealing part from falling. When the material is screened, the screening situation of the material can be observed through the observation port at any time; at the same time, the sealing part is cooperated to seal the observation port on the screen frame, and no leakage will occur during the material screening process.

[0009] A screening machine comprises a sieve seat and a sieve frame, wherein the sieve frame is installed on the sieve seat through a connecting rod, and a driving mechanism for driving the sieve frame to vibrate is also provided on the sieve seat; the sieve frame also comprises a sieve frame, which is connected to the sieve frame through a clamp, and a sieve is provided on the sieve frame. The sieve frame is provided with a plurality of groups, and adjacent sieve frames are connected through the clamp, and a sealing cover is connected to the top sieve frame through the clamp, and a feed port is provided on the sealing cover; a dust removal component for collecting and treating dust in the process of screening materials is also provided on the observation port of the sieve frame, and a dust removal component matching its size is provided at the observation port, and the observation port connects the interior of the sieve frame with the outside, and is connected to an external exhaust fan through a connecting pipe on the dust removal component, so as to draw out floating dust generated during the screening of materials and reduce pollution to the working environment.

[0010] Preferably, the dust removal component includes an inner core, a rubber sleeve and a connecting tube. The rubber sleeve is sleeved on the outer wall of the inner core. The size of the rubber sleeve is matched with the size of the observation port. The inner core is also provided with a mounting hole for installing the connecting tube. The connecting tube connects the inside of the screen frame with the outside world. A clamping structure is also provided between the inner core and the screen frame.

[0011] Preferably, the clamping structure includes a stud and a block, a threaded hole is provided on the inner core, the stud is engaged in the threaded hole, the block is connected to the facing ends of the stud and the screen frame, and a groove for rotating the stud is provided on the back ends of the stud and the screen frame.

[0012] In summary, the technical effects and advantages of the utility model are:

[0013] In the utility model, an observation port is provided on the side wall of the screen frame, through which a worker can check the installation condition of the screen inside the screen frame; when screening materials, the screening condition of the materials can be observed at any time through the observation port; at the same time, a sealing member is used to seal the observation port on the screen frame, so that material leakage will not occur during the material screening process.

[0014] In the utility model, a dust removal component with a size matching that of the observation port is arranged at the observation port, the observation port connects the interior of the screen frame with the outside, and is connected to an external exhaust fan through a connecting pipe on the dust removal component, so as to draw out floating dust generated when screening materials, thereby reducing pollution to the working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 The local explosion of the utility model Figure 1 ;

[0018] Figure 3 This is a schematic diagram of the screen frame structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the plugging member of the utility model;

[0020] Figure 5 The local explosion of the utility model Figure 2 ;

[0021] Figure 6 This is an exploded view of the dust removal component of the utility model.

[0022] In the figure: 1. sieve seat;

[0023] 2. Dust removal parts; 21. Connecting pipe; 22. Rubber sleeve; 23. Inner core; 24. Threaded hole; 25. Stud; 26. Groove; 27. Stopper; 28. Mounting hole;

[0024] 3. Screen frame;

[0025] 4. Screen frame; 41. Flanging; 42. Observation port; 43. Installation port;

[0026] 5. blocking member; 51. exposed portion; 52. blocking portion; 53. blocking portion; 54. buckle groove;

[0027] 6. Discharging parts; 7. Sealing cover; 8. Hoop; 9. Screen. DETAILED DESCRIPTION

[0028] 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. Example

[0029] refer to Figure 1-4 An observable screen frame shown includes a screen frame 4, which is a cylindrical shell with upper and lower ends transparent. The upper and lower ends of the screen frame 4 are provided with flanges 41 for installing and connecting adjacent screen frames 4, and the flanges 41 are provided with rounded corners. The side wall of the screen frame 4 is also provided with an observation port 42 and an installation port 43. The observation port 42 is used to observe the installation status of the internal screen 9, the connection status between the screen frames 4, and the screening status of the material during the material screening process. The screen frame 4 is also provided with a blocking member 5 for blocking the observation port 42, and a discharge member 6 for discharging material is installed on the installation port 43, and the discharge member 6 is arranged at an angle.

[0030] The blocking member 5 is an integrally formed rubber member, including an exposed portion 51 and a blocking portion 52, the exposed portion 51 being located on the outside of the screen frame 4, and the longitudinal cross-sectional dimension of the exposed portion 51 being larger than the longitudinal cross-sectional dimension of the blocking portion 52, the size of the blocking portion 52 matching the size of the observation port 42, the blocking portion 52 being arranged on the facing surface of the exposed portion 51 and the screen frame 4, the exposed portion 51 and the back surface of the screen frame 4 are also provided with a buckle groove 54 for installing and disassembling the blocking member 5, the blocking portion 52 is also provided with a blocking portion 53 for preventing the blocking member 5 from falling, during installation, the blocking portion 53 contacts the observation port 42 and is deformed by extrusion, when the exposed portion 51 is in contact with the outer wall of the screen frame 4, the blocking portion 53 is located inside the screen frame 4, that is, the screen frame 4 is located between the blocking portion 53 and the exposed portion 51, and the installation of the blocking member 5 is completed.

[0031] refer to Figure 1 , 5 6, a screening machine, comprising a screen seat 1 and a screen frame 3, the screen seat 1 is mounted with the screen frame 3 through a connecting rod, the screen seat 1 is also provided with a driving mechanism for driving the screen frame 3 to vibrate, the driving mechanism comprises a driving motor and an eccentric wheel, the eccentric wheel is rotatably connected to the screen seat 1 with a bearing seat and a rotating shaft, the driving motor drives the rotating shaft to rotate, thereby driving the eccentric wheel to rotate, thereby driving the entire screen frame 3 to vibrate to complete screening, the driving mechanism is a prior art, and will not be described in detail in this technical solution;

[0032] It also includes a screen frame 4, which is connected to the screen frame 3 through a clamp 8. A screen mesh 9 is also provided on the screen frame 4. The screen frame 4 is provided with multiple groups, and adjacent screen frames 4 are connected through the clamp 8. A cover 7 is connected to the top screen frame 4 through the clamp 8, and a feed port is provided on the cover 7. A dust removal component 2 for collecting and processing dust during the screening process is also provided on the observation port 42 of the screen frame 4. The dust removal component 2 and the blocking component 5 are used separately, and one of the groups can be selected for use in a screening process.

[0033] The dust removal component 2 includes an inner core 23, a rubber sleeve 22 and a connecting pipe 21. The rubber sleeve 22 is sleeved on the outer wall of the inner core 23. The size of the rubber sleeve 22 is matched with the size of the observation port 42. The inner core 23 is also provided with a mounting hole 28 for installing the connecting pipe 21. The connecting pipe 21 and the inner core 23 are connected by a hot pressing process. The connecting pipe 21 connects the inside of the screen frame 4 with the outside world. The connecting pipe 21 is connected to the external dust removal equipment (vacuum cleaner), and the dust removal equipment is started to collect the dust inside the screen frame 4 through the connecting pipe 21. A clamping structure is also provided between the inner core 23 and the screen frame 4.

[0034] The clamping structure is used for quick connection between the dust removal part 2 and the screen frame 4. The clamping structure includes a stud 25 and a stopper 27. The inner core 23 is provided with a threaded hole 24 that penetrates through it. The threaded hole 24 is provided with two groups and is symmetrically arranged on the inner core 23. The stud 25 is engaged in the threaded hole 24. The stopper 27 is connected to the facing end of the stud 25 and the screen frame 4. The back end of the stud 25 and the screen frame 4 is provided with a screw for rotating the stud 25. The groove 26 is a hexagonal groove; when not in use, the two sets of blocks 27 are arranged opposite to each other, and neither protrudes from the outer contour of the dust removal member 2. The stud 25 is recessed in the threaded hole 24. When in use, the stud 25 is rotated to rotate in the threaded hole 24. When the stud 25 is flush with the end surface of the inner core 23, the two sets of blocks 27 are rotated 180 degrees and protrude from the outer contour of the dust removal member 2 and connect with the screen frame 4, thereby completing the limit between the dust removal member 2 and the screen frame 4.

[0035] Working principle of the utility model: during installation, the sieve seat 1 is moved to the specified position, the sieve frame 3 is connected to the sieve seat 1 through the connecting rod, the sieve 9 and the discharge piece 6 are first installed with the sieve frame 4, and then the flange 41 on the sieve frame 4 is aligned with the sieve frame 3, and the two are fixed by the clamp 8, and multiple groups of sieve frames 4 are connected by the clamp 8, and finally the cover 7 is connected to the sieve frame 4 by using the clamp 8, and the internal sieve 9 and the adjacent sieve frame 4 are observed through the observation port 42 on the sieve frame 4. After the observation is completed, the observation port 42 is blocked by the blocking piece 5 to complete the installation of the screening machine.

[0036] During use, the staff can remove the blocking piece 5 from the observation port 42 to observe the screening of the internal material; if a lot of dust is generated when screening the material, the blocking piece 5 can be removed and the dust removal piece 2 can be installed in line with the observation port 42. After installation, an inner hexagonal wrench is used to insert it into the groove 26 on the stud 25, and the stud 25 is rotated. Through the meshing relationship between the stud 25 and the threaded hole 24 on the inner core 23, the stopper 27 is driven to rotate. At the same time, the stopper 27 moves outward and abuts against the inner wall of the screen frame 4, completing the limit between the dust removal piece 2 and the screen frame 4, and connecting the connecting pipe 21 to the external dust removal equipment to clean the dust inside the screen frame 4.

[0037] The electromechanical connection involved in the present utility model is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of tests, which belongs to common knowledge.

[0038] Components not described in detail herein are prior art.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An observable screen frame, characterized in that: The invention comprises a screen frame (4), wherein the screen frame (4) is a cylindrical shell with upper and lower ends being transparent, and the upper and lower ends of the screen frame (4) are provided with flanges (41) for mounting and connecting adjacent screen frames (4), and the side wall of the screen frame (4) is also provided with an observation port (42) and a mounting port (43), and the screen frame (4) is also provided with a blocking member (5) for blocking the observation port (42), and a discharge member (6) for discharging materials is installed on the mounting port (43).

2. The observable screen frame according to claim 1, characterized in that: The blocking member (5) is made of rubber material and comprises an exposed portion (51) and a blocking portion (52). The exposed portion (51) is located outside the sieve frame (4), and the longitudinal cross-sectional dimension of the exposed portion (51) is larger than the longitudinal cross-sectional dimension of the blocking portion (52). The dimension of the blocking portion (52) matches the dimension of the observation port (42). The blocking portion (52) is arranged on the facing surface of the exposed portion (51) and the sieve frame (4). The back surfaces of the exposed portion (51) and the sieve frame (4) are also provided with a buckle groove (54) for installing and removing the blocking member (5). The blocking portion (52) is also provided with a blocking portion (53) for preventing the blocking member (5) from falling.

3. A screening machine, comprising a screen seat (1) and a screen frame (3), wherein the screen seat (1) is mounted with the screen frame (3) via a connecting rod, and the screen seat (1) is further provided with a driving mechanism for driving the screen frame (3) to vibrate; characterized in that: It also includes the sieve frame (4) according to claim 1, wherein the sieve frame (4) is connected to the sieve frame (3) through a clamp (8), and a sieve (9) is also provided on the sieve frame (4). The sieve frame (4) is provided with a plurality of groups, and adjacent sieve frames (4) are connected through the clamp (8). The top sieve frame (4) is connected to a cover (7) through the clamp (8), and a feed port is provided on the cover (7); and a dust removal component (2) for collecting and treating dust during the screening process is also provided on the observation port (42) of the sieve frame (4).

4. A screening machine according to claim 3, characterized in that: The dust removal element (2) comprises an inner core (23), a rubber sleeve (22) and a connecting tube (21); the rubber sleeve (22) is sleeved on the outer wall of the inner core (23); the size of the rubber sleeve (22) matches the size of the observation port (42); a mounting hole (28) for mounting the connecting tube (21) is provided on the inner core (23); the connecting tube (21) enables the interior of the screen frame (4) to communicate with the outside; and a clamping structure is provided between the inner core (23) and the screen frame (4).

5. A screening machine according to claim 4, characterized in that: The clamping structure comprises a stud (25) and a stopper (27); a threaded hole (24) is provided on the inner core (23) and the stud (25) is engaged in the threaded hole (24); the stopper (27) is connected to the end of the stud (25) facing the screen frame (4); and a groove (26) for rotating the stud (25) is provided on the end of the stud (25) facing the screen frame (4).

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