CN216174191U

CN216174191U - Sieve plate assembly and pre-sieving equipment

Info

Publication number: CN216174191U
Application number: CN202122588154.5U
Authority: CN
Inventors: 刘成
Original assignee: Hunan Sany Kuaierju Housing Industry Co Ltd
Current assignee: Hunan Sany Kuaierju Housing Industry Co Ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-05
Anticipated expiration: 2031-10-26

Abstract

The utility model provides a sieve plate assembly and pre-screening equipment, and belongs to the field of material screening. The sieve plate component comprises a sieve plate and a sieve plate support, and the sieve plate support are detachably and fixedly connected. According to the utility model, the screen panel and the screen plate are detachably and fixedly connected, so that the problem of screen panel deformation caused by welding is avoided, manual correction is not needed in the later period, the manufacturing cost is effectively reduced, and the screen panel and the screen plate support are separated, replaced and maintained.

Description

Sieve plate assembly and pre-sieving equipment

Technical Field

The utility model relates to the field of material screening, in particular to a sieve plate assembly and pre-screening equipment.

Background

In the field of stone and building waste crushing, raw materials are generally treated by a vibrating feeder (also called a feeding machine) and a pre-screening device and then enter a crusher for crushing; however, the "raw material" inevitably contains more or less fine crushed materials and silt with smaller particle size, and if the fine crushed materials and silt directly enter the crusher, the load of the crusher is increased, and the crushing efficiency of the crusher is reduced.

Therefore, the pre-screening equipment is used for pre-screening small-particle stones or silt in the passing raw materials, and the unexpected small particles are prevented from entering the crusher. In the course of practical use, the following problems have been found with conventional pre-screening devices:

(1) the screen plate and the screen plate support of the screen plate structure of the pre-screening equipment are integrated, so that the screen plate and the screen plate support cannot be separately replaced, and the replacement cost is high;

(2) the screen panel and the screen plate support of the screen plate structure are mostly welded, and the screen panel is seriously deformed in the welding process due to more screen holes (round holes or polygonal strip-shaped holes), needs manual correction in the later period and is high in manufacturing cost;

(3) no shock absorption measure is provided between the sieve plate structure and the pre-screening rack, and the sieve plate structure and the pre-screening rack are easy to crack and damage due to stone impact.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a screen deck assembly which ameliorates the above-mentioned deficiencies of the prior art.

It is a further object of the present invention to provide a pre-screening apparatus comprising a screen deck assembly as mentioned above, which has all the functions of the screen deck assembly.

The embodiment of the utility model is realized by the following steps:

the embodiment of the utility model provides a sieve plate assembly which comprises a sieve plate and a sieve plate support, wherein the sieve plate is detachably and fixedly connected with the sieve plate support.

Specifically, the screen panel is connected with the screen plate support through bolts.

Optionally, the sieve plate support is provided with a damping groove.

Optionally, the sieve plate support comprises a support seat and a plurality of support rods, the support rods are arranged on the support seat, and the damping grooves are formed in the support rods.

Optionally, the shock absorbing slots are arranged in an array.

Optionally, a plurality of strip-shaped holes are formed in the screen panel, the support rods are arranged side by side at intervals to form a plurality of gaps, and the strip-shaped holes and the gaps are arranged in a one-to-one correspondence manner.

The embodiment of the utility model also provides pre-screening equipment which comprises a pre-screening rack and the above mentioned screen plate assembly, wherein the pre-screening rack and the screen plate assembly are detachably and fixedly connected.

Further, still include damping device, damping device with the screen panel is located the relative both sides that the sieve supported, damping device with in advance sieve the frame and/or the fixed connection can be dismantled to the sieve subassembly.

Further, the damping device is connected with the pre-screening machine frame and/or the screen plate assembly through bolts.

Further, the damping device is a damping block, a damping spring, a leaf spring or a damping support.

Compared with the prior art, the embodiment of the utility model has the beneficial effects that:

1. the screen panel in the screen plate assembly is connected with the screen plate support in a non-welding mode, so that the problem of screen panel deformation caused by welding is avoided, manual correction is not needed in the later period, the manufacturing cost is effectively reduced, and the screen panel and the screen plate support are convenient to separately replace and maintain;

2. the 'shock absorption groove' used for absorbing vibration is arranged on the sieve plate support and can weaken or absorb impact on the sieve plate support in the using process;

3. this scheme has increased damping device between screening frame and sieve structure in advance, does benefit to and alleviates or absorbs the building stones to sieve subassembly, the impact of screening frame in advance, increase of service life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a screen plate assembly provided in embodiment 1 of the present invention.

Icon: 100-screen panel; 200-sieve plate support; 210-a support base; 220-a support bar; 221-a damping groove; 300-damping means.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element which is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as either a mechanical connection or an electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1, the present embodiment provides a screen deck assembly, which includes a screen deck 100 and a screen deck support 200, wherein the screen deck 100 is detachably and fixedly connected to the screen deck support 200. In this embodiment, the screen panel 100 and the screen deck support 200 are fixedly connected by bolts. Specifically, through holes are provided in the screen panel 100 and the screen panel support 200, bolts pass through the through holes in the screen panel 100 and the screen panel support 200 from above the screen panel 100, and the lower surface of the screen panel support 200 is fastened with nuts.

Of course, in other embodiments, the screen panel 100 and the screen panel support 200 may also be detachably and fixedly connected by other methods, such as snap connection, pin connection, key connection, riveting, etc., which are not described herein again.

Screen panel 100 and the sieve support 200 among the sieve board subassembly are connected through non-welded mode, have avoided the welding to lead to the problem that screen panel 100 warp, and the later stage does not need artifical correction, has effectively reduced manufacturing cost, and does benefit to screen panel 100 and sieve support 200 and separately change the maintenance.

Further, in this embodiment, the sieve plate support 200 includes a supporting seat 210 and a plurality of supporting rods 220, and a plurality of supporting rods 220 are arranged on the supporting seat 210, and a plurality of supporting rods 220 are arranged side by side at intervals and form a plurality of gaps, and a plurality of strip holes are arranged on the sieve panel 100 and correspond to the plurality of gaps to form a space for small-particle stones or silt in the raw material to pass through. Preferably, a plurality of bar holes and a plurality of clearance one-to-one setting to make the better passing through of tiny particle building stones or silt in the raw materials, of course, a plurality of bar holes and a plurality of clearance also can not the one-to-one setting, as long as can make tiny particle building stones or silt in the raw materials can pass through can. It is envisioned that in other embodiments, the screen panels 100 and the screen panel supports 200 may be provided with holes of other shapes, such as circular holes or polygonal holes, to allow the passage of small particles of stone or sand in the material. In this embodiment, when the screen panel 100 and the screen panel support 200 are bolted, the through hole of the screen panel support 200 may be provided in the support base 210 or the support rod 220, so that the screen panel 100 and the screen panel support 200 can be fastened and connected.

Further, the screen deck support 200 is provided with a shock-absorbing groove 221, and preferably, the shock-absorbing groove 221 is provided on the support rod 220. The shock absorbing slots 221 are configured to absorb vibrations to attenuate or absorb the impact of small particles of stone or sand in the material on the screen deck support 200 during use.

Preferably, the shock absorbing slots 221 are arranged in an array to evenly absorb the impact on the screen deck support 200 during use.

Example 2

The embodiment provides a pre-screening device, which includes a pre-screening frame and the above mentioned screen plate assembly, the technical solution described in embodiment 1 is also applicable to this embodiment, the technical solution disclosed in embodiment 1 is not described again, and the pre-screening frame and the screen plate assembly are detachably and fixedly connected.

The pre-screening frame and the screen plate assembly can adopt detachable fixed connection modes in the prior art such as bolts, buckles, key connection and the like, and are not repeated herein.

Preferably, the screen plate screening device further comprises a damping device 300, the damping device 300 and the screen plate 100 are positioned at two opposite sides of the screen plate support 200, and the damping device 300 is detachably and fixedly connected with the pre-screening frame and the screen plate assembly.

This scheme has increased damping device 300 between screening frame and sieve subassembly in advance, is favorable to alleviating or absorbing the building stones to the impact of sieve subassembly and screening frame in advance, prolongs its life.

Because the damping device 300 is a wearing part, preferably, the damping device 300 is detachably and fixedly connected with the pre-screening machine frame and the screen plate assembly, so that the damping device 300 can be conveniently replaced. In other embodiments, the damping device 300 may be detachably and fixedly connected to one of the pre-screening frame and the screen plate assembly, and may be integrally connected to the other, which is difficult to replace, for example, when the damping device 300 is welded to the pre-screening frame, it is necessary to separate the two by cutting.

Preferably, the shock absorbing device 300 is bolted to the pre-screening frame and the screen deck assembly.

Further, the damping device 300 is a damping block, a damping spring, a leaf spring, or a damping support, which are common in the prior art and are not described herein again.

1. the screen panel 100 and the screen plate support 200 in the screen plate assembly are connected in a non-welding mode, so that the problem of deformation of the screen panel 100 caused by welding is avoided, manual correction is not needed in the later period, the manufacturing cost is effectively reduced, and the screen panel 100 and the screen plate support 200 are convenient to separately replace and maintain;

2. the 'shock absorption grooves 221' for absorbing vibration are arranged on the sieve plate support 200, and can weaken or absorb impact on the sieve plate support 200 in the using process;

3. this scheme has increased damping device 300 between screening frame and sieve structure in advance, does benefit to and alleviates or absorbs the building stones to sieve subassembly, the impact of screening frame in advance, increase of service life.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a sieve plate assembly, its characterized in that includes sieve plate (100) and sieve support (200), sieve plate (100) with fixed connection can be dismantled in sieve support (200), be provided with on sieve support (200) shock attenuation groove (221).

2. The screen deck assembly of claim 1, wherein the screen deck (100) and the screen deck support (200) are bolted.

3. The screen deck assembly of claim 2, wherein the screen deck support (200) comprises a support base (210) and a plurality of support bars (220), the plurality of support bars (220) being disposed on the support base (210), the shock absorbing slots (221) being disposed on the support bars (220).

4. The screen assembly of claim 3, wherein the shock absorbing slots (221) are arranged in an array.

5. The screen deck assembly of claim 3, wherein the screen deck (100) is provided with a plurality of bar holes, a plurality of the support rods (220) are arranged in parallel at intervals and form a plurality of gaps, and a plurality of the bar holes are arranged corresponding to the plurality of gaps.

6. A pre-screening apparatus comprising a pre-screening frame and a screen assembly as claimed in any one of claims 1 to 5, the pre-screening frame and the screen assembly being releasably secured together.

7. A pre-screening apparatus according to claim 6, further comprising shock absorbing means (300), the shock absorbing means (300) and the screen deck (100) being located on opposite sides of the screen deck support (200), the shock absorbing means (300) being removably fixedly connected to the pre-screening frame and/or the screen deck assembly.

8. A pre-screening apparatus according to claim 7, wherein the shock absorbing means (300) is bolted to the pre-screening frame and/or the screen deck assembly.

9. A pre-screening apparatus according to claim 8, wherein the shock absorbing means (300) is a shock absorbing block, a shock absorbing spring, a leaf spring or a shock absorbing support.