Belt filter press

Abstract

The utility model belongs to the technical field of filter equipment, and provides a belt filter press, which comprises a lower filter belt arranged on a rack and a tensioning device arranged on the rack and used for tensioning the lower filter belt, and the tensioning device comprises a sliding seat connected with the rack in a sliding manner; the tensioning wheel is rotationally arranged on the sliding seat and can move along with the sliding seat, and the peripheral surface of the tensioning wheel is propped against the lower filter belt; the driving assembly is arranged on the rack and is used for driving the sliding seat to move within a preset range and enabling the sliding seat to stay at any position within the preset range, the sliding seat is driven to move through the driving assembly so as to tension the lower filter belt, the driving assembly comprises a telescopic mechanism, the first end of the telescopic mechanism is connected with the sliding seat, and the second end of the telescopic mechanism is connected with the rack; and the driving mechanism is arranged on the rack or the sliding seat and is used for driving the telescopic mechanism to do telescopic motion. The belt filter press provided by the utility model is simple in structure, reasonable in design and wide in adjusting range.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering equipment, and particularly relates to a belt filter press. Background Art

[0002] The belt filter press, namely the belt squeezing filter press, its dehydration process can be divided into four important stages: pretreatment, gravity dehydration, wedge zone pre-press dehydration and squeezing dehydration. The belt filter press mainly consists of a driving device, a frame, squeezing rollers, an upper filter belt, a lower filter belt, a filter belt tensioning device, a filter belt cleaning device, a discharging device, a pneumatic control system, an electrical control system, etc.

[0003] During the operation, due to the long-term pressure on the lower filter belt, the lower filter belt is prone to being stretched and elongated. In the long run, it will cause the lower filter belt to slip during operation, affecting the use. However, the existing filter belt tensioning devices in the prior art are cumbersome to operate and have limited adjustment stroke. Summary of the Utility Model

[0004] Aiming at the defects in the prior art, the purpose of the utility model is to provide a belt filter press to solve or alleviate the above technical problems existing in the prior art.

[0005] To achieve the above purpose, the utility model provides a belt filter press, which includes a lower filter belt arranged on the frame and a tensioning device arranged on the frame and used for tensioning the lower filter belt. The tensioning device includes:

[0006] A sliding seat, which is slidably connected with the frame;

[0007] A tensioning wheel, which is rotatably arranged on the sliding seat and can move together with the sliding seat, and its outer peripheral surface abuts against the lower filter belt to tension the lower filter belt; and

[0008] A driving assembly, which is arranged on the frame and used for driving the sliding seat to move within a preset range and can stop the sliding seat at any position within the preset range to tension the lower filter belt. The driving assembly includes:

[0009] A telescopic mechanism, whose first end is connected with the sliding seat and the second end is connected with the frame; and

[0010] A driving mechanism, which is arranged on the frame or the sliding seat and used for driving the telescopic mechanism to do telescopic movement.

[0011] Further, the telescopic mechanism includes a scissors structure group, which includes one or more sequentially connected scissors structures. The first side of the first end of the scissors structure group is hinged to the sliding seat, and a first slider is hinged to the second side. The first slider is slidably connected to the sliding seat. The first side of the second end of the scissors structure group is hinged to the frame, and a second slider is hinged to the second side. The second slider is slidably connected to the frame;

[0012] The driving mechanism is used to drive the first slider or the second slider to move in a direction close to or away from the first side of the scissors structure group, so as to expand or contract the scissors structure group, thereby driving the sliding seat to move to tension the lower filter belt.

[0013] Further, there are two scissors structure groups, and the two scissors structure groups are symmetrically arranged.

[0014] Further, the driving mechanism includes:

[0015] A lead screw, which is rotatably connected to the frame or the sliding seat, is threadedly connected to the two first sliders or the two second sliders, and by rotating the lead screw, the two first sliders or the two second sliders are driven to approach or separate from each other; and

[0016] A motor, which is arranged on the frame or the sliding seat, and the power output shaft thereof is in transmission connection with the lead screw.

[0017] Further, the scissors structure group includes a plurality of sequentially connected scissors structures.

[0018] Advantages of the present utility model:

[0019] The belt filter press provided by the present utility model drives the telescopic mechanism to expand and contract through the driving mechanism, so as to drive the sliding seat to move, thereby achieving the purpose of driving the tensioning wheel to move to tension the lower filter belt. The structure is simple, the design is reasonable, and the adjustment range is wider. Description of the Drawings

[0020] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0021] Figure 1 It is a three-dimensional view of the belt filter press provided by an embodiment of the present utility model;

[0022] Figure 2 For Figure 1A perspective view of the belt filter press in another direction as shown.

[0023] Reference numerals:

[0024] 100, frame; 200, lower filter belt; 310, sliding seat; 320, tensioning wheel; 330, telescopic mechanism; 331, scissor structure; 332, first slider; 333, second slider; 340, drive mechanism; 341, lead screw; 342, motor. Detailed implementation manners

[0025] Hereinafter, embodiments of the technical solution of the present utility model will be described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present utility model, and thus are only examples and should not be used to limit the protection scope of the present utility model.

[0026] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the ordinary meanings understood by those skilled in the art to which the present utility model belongs.

[0027] In the description of this application, it should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model.

[0028] In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. In the description of the present utility model, "a plurality of" means two or more unless otherwise specifically defined.

[0029] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected to", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0030] In this application, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply indicates that the horizontal height of the first feature is less than that of the second feature.

[0031] As Figure 1-2 shown, the present utility model provides a belt filter press, which includes a lower filter belt 200 arranged on a frame 100 and a tensioning device arranged on the frame 100 and used for tensioning the lower filter belt 200. Specifically, the tensioning device includes a sliding seat 310, the sliding seat 310 is slidably connected to the frame 100, and a tensioning wheel 320 is arranged on the sliding seat 310. The tensioning wheel 320 is rotatably connected to the sliding seat 310 and can move together with the sliding seat 310, and the outer peripheral surface of the tensioning wheel 320 abuts against the lower filter belt 200 to tension the lower filter belt 200.

[0032] A driving assembly is arranged on the frame 100, the driving assembly is in transmission connection with the sliding seat 310, and the driving assembly is used for driving the sliding seat 310 to move within a preset range and can stop the sliding seat 310 at any position within the preset range to tension the lower filter belt 200.

[0033] Specifically, the driving assembly includes a telescopic mechanism 330, the first end of the telescopic mechanism 330 is connected to the sliding seat 310, the second end is connected to the frame 100, and a driving mechanism 340 for driving the telescopic mechanism 330 to perform telescopic movement is in transmission connection with the telescopic mechanism 330. By driving the telescopic mechanism 330 to expand and contract through the driving mechanism 340, the sliding seat 310 is driven to move, so as to tension the lower filter belt 200, and the driving mechanism 340 is arranged on the frame 100 or the sliding seat 310.

[0034] During use, the telescopic mechanism 330 is driven to expand or contract through the driving mechanism 340, so as to drive the sliding seat 310 to move together with the tensioning wheel 320, and further achieve the purpose of tensioning the lower filter belt 200.

[0035] The tensioning device provided in this embodiment has a simple structure and a reasonable design. By arranging the telescopic mechanism 330, the tensioning range is increased, and only by driving the telescopic mechanism 330 to expand and contract through the driving mechanism 340, the purpose of tensioning the lower filter belt 200 can be achieved, and the operation is convenient.

[0036] Preferably, in one embodiment, the telescopic mechanism 330 includes a scissor structure group, and the scissor structure group includes one or more scissor structures 331 connected in sequence. Preferably, the scissor structure group includes a plurality of scissor structures 331 to increase the tensioning range.

[0037] One side of the first end of the scissor structure group is hinged to the sliding seat 310, and a first slider 332 is hinged to the other side. The first slider 332 is slidably connected to the sliding seat 310. One side of the second end of the scissor structure group is hinged to the frame 100, and a second slider 333 is hinged to the other side. The second slider 333 is slidably connected to the frame 100.

[0038] The driving mechanism 340 is used to drive the first slider 332 or the second slider 333 to move in a direction close to or away from the first side of the scissor structure group, so as to expand or contract the scissor structure group, thereby driving the sliding seat 310 to move to tension the lower filter belt 200.

[0039] In this embodiment, the telescopic mechanism 330 provided includes a scissor structure group composed of one or more scissor structures, which makes full use of the advantages of the large telescopic range of the scissor structure 331 and small occupied space when folded, thereby increasing the telescopic range of the telescopic mechanism 330.

[0040] In one embodiment, two scissor structure groups are provided, and the two scissor structure groups are symmetrically arranged. By providing two inspection structure groups, the tensioning stability is increased.

[0041] In one embodiment, the driving mechanism 340 includes a lead screw 341, and the lead screw 341 is rotatably connected to the frame 100 or the sliding seat 310. The lead screw 341 is threadedly connected to two first sliders 332 or two second sliders 333, and by rotating the lead screw 341, two first sliders 332 or two second sliders 333 are driven to approach or separate from each other, that is, the lead screw 341 is threadedly connected to two first sliders 332 or two second sliders 333 through two external thread segments with the same pitch but opposite spiral directions.

[0042] The lead screw 341 is drivingly connected to a motor 342. The motor 342 is fixedly arranged on the frame 100 or the sliding seat 310, and the power output shaft of the motor 342 is drivingly connected to the lead screw 341. By driving the lead screw 341 to rotate through the motor 342, two first sliders 332 or two second sliders 333 are driven to approach or separate from each other, and further the telescopic mechanism 330 is driven to extend or contract.

[0043] Specifically, in this embodiment, the lead screw 341 is rotatably connected to the frame 100, and the lead screw 341 is threadedly connected to the two second sliders 333. Thus, by rotating the lead screw 341, the two second sliders 333 can be driven to approach or separate from each other, so as to achieve the purpose of driving the telescopic mechanism 330 to expand and contract, and further achieve the purpose of driving the sliding seat 310 to move to tension the lower filter belt 200.

[0044] The driving mechanism 340 provided in this embodiment has a simple, compact and reasonable structure. And by driving the lead screw 341 to rotate through the motor 342, the purpose of driving the telescopic mechanism 330 to expand and contract can be achieved, and the operation is convenient.

[0045] In the description of the present invention, a large number of specific details are set forth. However, it can be understood that the embodiments of the present invention may be practiced without these specific details. In some instances, well-known methods, structures and technologies are not shown in detail so as not to obscure the understanding of this description.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered by the scope of the claims and the description of the present invention.

Claims

1. A belt filter press, comprising a lower filter belt (200) arranged on a frame (100) and a tensioning device arranged on the frame (100) and used for tensioning the lower filter belt (200), characterized in that: The tensioning device comprises: A sliding seat (310) slidably connected to the frame (100); A tensioning wheel (320) is rotatably disposed on the sliding seat (310) and can move along with the sliding seat (310), and its outer peripheral surface contacts the lower filter belt (200) to tension the lower filter belt (200); and A driving assembly is arranged on the frame (100) and is used to drive the sliding seat (310) to move within a preset range and to stop the sliding seat (310) at any position within the preset range to tension the lower filter belt (200). The driving assembly comprises: a telescopic mechanism (330), a first end of which is connected to the sliding seat (310) and a second end of which is connected to the frame (100); and A driving mechanism (340) is arranged on the frame (100) or the sliding seat (310), and is used to drive the telescopic mechanism (330) to perform telescopic movement.

2. The belt filter press according to claim 1, characterized in that The telescopic mechanism (330) comprises a scissor-type structure group, the scissor-type structure group comprises one or more scissor-type structures (331) connected in sequence, the first side of the first end of the scissor-type structure group is hinged to the sliding seat (310), and the second side is hinged to a first slider (332), the first slider (332) is slidably connected to the sliding seat (310), the first side of the second end of the scissor-type structure group is hinged to the frame (100), and the second side is hinged to a second slider (333), and the second slider (333) is slidably connected to the frame (100); The driving mechanism (340) is used to drive the first slider (332) or the second slider (333) to move toward or away from the first side of the scissors-type structure group, so that the scissors-type structure group is expanded or contracted, thereby driving the sliding seat (310) to move, so as to tension the lower filter belt (200).

3. The belt filter press according to claim 2, characterized in that: There are two scissor-type structure groups, and the two scissor-type structure groups are symmetrically arranged.

4. The belt filter press according to claim 3, characterized in that: The driving mechanism (340) comprises: a lead screw (341) which is rotatably connected to the frame (100) or the sliding seat (310), and which is threadedly connected to the two first sliders (332) or the two second sliders (333), and by rotating the lead screw (341), the two first sliders (332) or the two second sliders (333) are driven to move closer to or farther from each other; and The motor (342) is arranged on the frame (100) or the sliding seat (310), and its power output shaft is drivingly connected to the lead screw (341).

5. The belt filter press according to any one of claims 2 to 4, characterized in that: The scissor-type structure group comprises a plurality of scissor-type structures (331) connected in sequence.

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