Lower-layer rubber sieve plate for double-layer vibrating screen

Abstract

The utility model discloses a lower rubber sieve plate for a double-layer vibrating screen, which comprises a sieve plate body, sieve holes vertically penetrating through the sieve plate body are arranged on the sieve plate body, a groove is arranged on the lower side of the sieve plate body, two opposite groove edges of the groove are respectively provided with a skirt edge, and the skirt edges are arranged on the sieve plate body. The lower sides of the two opposite groove edges of the groove are each provided with a mounting groove penetrating through the groove in the longitudinal direction, and a plurality of abrasion inspection blind holes are formed in the back face of the screen plate body. According to the sieve plate, the abrasion condition of the sieve plate is checked in time through the thickness checking holes, checking is convenient and visual, and dismounting and mounting are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber screen plates, in particular to a lower layer rubber screen plate for a double-layer vibrating screen. Background Art

[0002] In the mineral processing technology of mines, double-layer vibrating screens are often used to screen and grade ores to meet the needs of products of different particle sizes. The screen plate is an important working part of the double-layer vibrating screen to complete the material screening process. Each double-layer vibrating screen must select a screen plate that meets its working requirements. The various characteristics of the material, the different structures and materials of the screen plate and the various parameters of the screen machine have a certain impact on the screening capacity, efficiency, roughness rate and life of the double-layer vibrating screen. Different materials and different places should use different screen plates to achieve the ideal screening effect. The screen plate should have sufficient strength and wear resistance, a high opening rate and not easy to block the holes. When the double-layer vibrating screen vibrates, the screen plate passes through the screen holes of different sizes, and under the action of the vibration force, the materials of different particle sizes are separated to achieve the purpose of classification.

[0003] When the traditional screen plate is shut down for maintenance, workers need to enter the screen machine to check and measure the degree of wear of each screen plate. The internal space of the screen machine is small, and this inspection process requires a lot of manpower and time. In addition, the screen is inconvenient to install and disassemble. Therefore, a new technical solution is urgently needed to solve at least one of the above technical problems. Summary of the invention

[0004] The utility model aims to provide a lower rubber screen plate for a double-layer vibrating screen, which can timely check the wear of the screen plate through a thickness inspection hole, and is convenient and intuitive to inspect and easy to disassemble and assemble.

[0005] In order to achieve the above technical objectives and meet the above technical requirements, the technical solution adopted by the utility model is: a lower rubber screen plate for a double-layer vibrating screen, characterized in that it includes a screen plate body, the screen plate body is provided with screen holes penetrating it vertically, the lower side of the screen plate body is provided with a groove, the two opposite groove edges of the groove are respectively provided with a skirt, the lower sides of the two opposite groove edges of the groove are respectively provided with an installation groove penetrating it longitudinally, and the back side of the screen plate body is provided with a plurality of wear inspection blind holes.

[0006] As a preferred technical solution, the sieve holes are arranged linearly, the sieve holes in two adjacent rows are staggered, and the sieve holes in each row are evenly spaced.

[0007] As a preferred technical solution, a wear inspection blind hole group is arranged between two adjacent sieve holes in the same row, and the wear inspection blind hole group includes at least two wear inspection blind holes with different depths.

[0008] As a preferred technical solution, a skeleton is embedded in the sieve plate body.

[0009] As a preferred technical solution, the mounting groove is a dovetail arc groove.

[0010] As a preferred technical solution, the groove is a trapezoidal groove.

[0011] As a preferred technical solution, the skeleton is a square frame structure, and the four sides of the skeleton are respectively parallel to the four outer sides of the sieve plate body.

[0012] As a preferred technical solution, the sieve holes are square holes.

[0013] As a preferred technical solution, the sieve hole is a tapered hole with an inner diameter gradually increasing from top to bottom.

[0014] As a preferred technical solution, the material of the skeleton is a stainless steel plate.

[0015] The beneficial effects of the utility model are:

[0016] 1) Observe from above that if the wear inspection hole of the screen plate is displayed after a period of use, the screen plate needs to be replaced. This improvement reduces the time for workers to enter the screen machine to check the thickness of the screen plate, and the inspection is more convenient and intuitive. The groove not only plays a role of avoidance, but also improves the discharging effect. The screen plate has a skirt, which can block the steel beam on the double-layer vibrating screen to prevent the material from wearing the steel beam and extend the service life of the double-layer vibrating screen. The skirt also plays a role of limiting. The installation slot cooperates with the double-layer vibrating screen for easy installation and disassembly. The skeleton improves the strength of the screen plate and is not easy to break;

[0017] 2) Preferably, the sieve holes in two adjacent rows are staggered, which is more conducive to the movement and screening of materials;

[0018] 3) Preferably, each wear inspection blind hole group has at least two wear inspection blind holes with different depths, and the number of the wear inspection blind holes is set according to different usage requirements;

[0019] 4) Preferably, the frame improves the overall strength of the sieve plate and is not easy to break;

[0020] 5) Preferably, the dovetail arc groove makes the installation firm and shortens the installation and removal time;

[0021] 6) Preferably, the trapezoidal groove improves the overall discharging effect;

[0022] 7) Preferably, the sieve holes are tapered holes to facilitate material discharge and prevent the materials from clogging the sieve holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a front view of a screen plate provided by an embodiment of the utility model;

[0024] Figure 2 yes Figure 2 Sectional view of AA in the middle;

[0025] Figure 3 yes Figure 2 Cross-sectional view of the middle BB;

[0026] Figure 4 yes Figure 1 Bottom view of

[0027] Figure 5 It is a three-dimensional diagram of a sieve plate provided in one embodiment of the utility model.

[0028] exist Figure 1-Figure 5 Among them, 1. sieve plate body; 101. sieve hole; 102. groove; 103. mounting groove; 104. inspection blind hole; 2. skirt; 3. frame. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings.

[0030] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "head", "tail", "top", "bottom", "left", "right", "front", "back", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0031] See also Figure 1-Figure 5 An embodiment of the utility model provides a lower rubber screen for a double-layer vibrating screen, including a screen plate body 1, on which a screen hole 101 is vertically penetrated, a groove 102 is provided on the lower side of the screen plate body 1, and two opposite groove edges of the groove 102 are respectively provided with a skirt 2, and the lower sides of the two groove edges of the groove 102 provided with the skirt 2 are respectively provided with a mounting groove 103 longitudinally penetrated, and the mounting groove 103 is parallel to the skirt 2, and a plurality of wear inspection blind holes 104 are provided on the back of the screen plate body 1.

[0032] During installation, check that the blind hole 104 is facing downward and the skirt 2 is facing downward, and observe from above. If the wear inspection hole is displayed after the screen plate has been used for a period of time, the screen plate needs to be replaced. This improvement reduces the time for workers to enter the screening machine to check the thickness of the screen plate, and the inspection is more convenient and intuitive; the groove 102 not only plays a role in avoidance, but also provides a discharging space to improve the discharging effect; the screen plate is increased with a skirt 2, which can block the steel beam on the double-layer vibrating screen to prevent the material from wearing the steel beam and extend the service life of the double-layer vibrating screen. The skirt 2 also serves to limit the screen plate; the installation groove 103 cooperates with the double-layer vibrating screen to facilitate installation and disassembly; the frame 3 improves the strength of the screen plate and is not easy to break.

[0033] like Figure 1-Figure 5 As shown, in some embodiments, the sieve holes 101 are arranged linearly, the sieve holes 101 in two adjacent rows are staggered, and the sieve holes 101 in each row are evenly spaced. Specifically, there are 6 rows of sieve holes 101, namely the first row, the second row, the third row, the fourth row, the fifth row and the sixth row. The number of sieve holes 101 in the first row, the third row and the fifth row is 9, and the number of sieve holes 101 in the second row, the fourth row and the sixth row is 10. Specifically, the sieve holes 101 are square holes, which are arranged according to the particle size and shape of the material.

[0034] Furthermore, a wear inspection blind hole 104 group is arranged between two adjacent sieve holes 101 in the same row, and the wear inspection blind hole 104 group includes at least two wear inspection blind holes 104 with different depths. The number of wear inspection blind holes 104 is set according to different usage requirements. Specifically, one wear inspection blind hole 104 group is arranged between two adjacent sieve holes 101 in the second row, one wear inspection blind hole 104 group is arranged between two adjacent sieve holes 101 in the third row, and one wear inspection blind hole 104 group is arranged between two adjacent sieve holes 101 in the fifth row, for a total of three wear inspection hole groups, and each wear inspection blind hole 104 group has three inspection blind holes 104 with different depths, so as to inspect the wear conditions of different areas of the sieve plate. When the three inspection blind holes 104 with different depths of each wear inspection blind hole 104 group are all displayed, the sieve plate must be replaced.

[0035] like Figure 1-Figure 5 As shown, in some of the embodiments, a skeleton 3 is embedded in the sieve plate body 1, and the skeleton 3 improves the overall strength of the sieve plate and is not easy to break.

[0036] Furthermore, the skeleton 3 is a square frame structure, and the four sides of the skeleton 3 are respectively parallel to the four outer sides of the sieve plate body. The square frame structure is arranged according to the shape of the sieve plate, and can strengthen the sieve plate around, with higher strength. The square frame is light in weight, preventing the sieve plate from being too heavy. Specifically, the material of the skeleton 3 is stainless steel plate, and the skeleton 3 is welded from stainless steel plates, has high strength, and is easy to weld and form.

[0037] like Figure 1-Figure 5 As shown, in some of the embodiments, the mounting groove 103 is a dovetail arc groove, which not only makes the mounting more secure but also facilitates the mounting and disassembly.

[0038] like Figure 1-Figure 5 As shown, in some embodiments, the groove 102 is a trapezoidal groove, which increases the discharge space and has a good discharge effect.

[0039] like Figure 1-Figure 5 As shown, in some embodiments, the sieve hole 101 is a tapered hole with an inner diameter gradually increasing from top to bottom, which facilitates material discharge and prevents the material from clogging the sieve hole 101.

[0040] The above embodiments are merely descriptions for clearly illustrating the present invention, and are not limitations on the implementation methods. For technicians in the relevant field, other different forms of changes or modifications can be made based on the above descriptions. It is not necessary and impossible to list all the implementation methods here, and the obvious changes or modifications derived therefrom are still within the scope of protection of the present invention.

Claims

1. A lower rubber screen plate for a double-layer vibrating screen, characterized in that: It includes a sieve plate body, which is provided with sieve holes penetrating it vertically, a groove is provided on the lower side of the sieve plate body, two opposite groove edges of the groove are respectively provided with a skirt, and the lower side of the two opposite groove edges of the groove is respectively provided with a mounting groove penetrating it longitudinally, and a plurality of wear inspection blind holes are provided on the back side of the sieve plate body.

2. The lower rubber screen plate for a double-layer vibrating screen according to claim 1, characterized in that: The sieve holes are arranged linearly, the sieve holes in two adjacent rows are staggered, and the sieve holes in each row are evenly spaced.

3. The lower rubber screen plate for a double-layer vibrating screen according to claim 1, characterized in that: A wear inspection blind hole group is arranged between two adjacent sieve holes in the same row, and the wear inspection blind hole group includes at least two wear inspection blind holes with different depths.

4. The lower rubber screen plate for a double-layer vibrating screen according to claim 1, characterized in that: A frame is embedded in the sieve plate body.

5. The lower rubber screen plate for a double-layer vibrating screen according to claim 1, characterized in that: The mounting groove is a dovetail arc groove.

6. The lower rubber screen plate for a double-layer vibrating screen according to claim 1, characterized in that: The groove is a trapezoidal groove.

7. The lower rubber screen plate for a double-layer vibrating screen according to claim 4, characterized in that: The skeleton is a square frame structure, and the four sides of the skeleton are respectively parallel to the four outer sides of the sieve plate body.

8. The lower rubber screen plate for a double-layer vibrating screen according to claim 1, characterized in that: The sieve holes are square holes.

9. The lower rubber screen plate for a double-layer vibrating screen according to claim 1, characterized in that: The sieve hole is a tapered hole whose inner diameter gradually increases from top to bottom.

10. The lower rubber screen plate for a double-layer vibrating screen according to claim 4, characterized in that: The material of the frame is stainless steel plate.

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