CN203215181U

CN203215181U - Flow-limiting plate

Info

Publication number: CN203215181U
Application number: CN 201320192610
Authority: CN
Inventors: 孙宏先; 陈�峰
Original assignee: BEIJING GUOLIAN KANGRUI ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: BEIJING GUOLIAN KANGRUI ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2013-04-17
Filing date: 2013-04-17
Publication date: 2013-09-25
Anticipated expiration: 2023-04-17

Abstract

The utility model provides a flow-limiting plate in order to solve the problems that scraps are accumulated easily in the dead angle a concentric type flow-limiting plate when the concentric type flow-limiting plate is used, and a flow path of the concentric type flow-limiting plate is blocked or even gets stuck when the accumulated scraps are too many. The shape of the flow-limiting plate is of a round plate-like structure, the flow-limiting plate comprises the flow path, the flow path is a through hole which is formed in the round plate like structure, and the through hole is round; the diameter of the flow path is smaller than the diameter of the flow-limiting plate, the center of the flow path is not coincident with the center of the flow-limiting plate, and the flow path is arranged at the dead angle part where the scraps are accumulated easily. When the flow-limiting plate is used, the air volume requirements of parallel pipelines can be met, and the phenomena that the pipelines are blocked or even get stuck due to the fact that the scraps are accumulated are avoided.

Description

Flow-limiting plate

Technical field

The utility model relates to the current-limiting apparatus in the pipeline, relates in particular to a kind of flow-limiting plate.

Background technique

As shown in Figure 1, residual paper money processing equipment is that the residual paper money fragment that residual paper money cash-processing machine 2 produces is transported in the briquetting system by pipeline 1, by briquetting machine 3 fragment is pressed into the bigger briquetting of hardness again, sends in the briquetting trap 4, waste material is carried out unified transportation and storage.For increasing work efficiency, every residual paper money processing equipment all adopts many residual paper money cash-processing machines 2, and these residual paper money cash-processing machines 2 are by pipeline 1 connection that is in parallel, and pipeline 1 is connected with blower fan 5, fragment is transported in the material storage hopper 6 of this residual paper money processing equipment.

As depicted in figs. 1 and 2, be connected by pipeline 1 between residual paper money cash-processing machine 2 and the material storage hopper 6.Because the length of pipeline 1, the difference in path, so the pneumatic flow that each residual paper money cash-processing machine 2 can be assigned to often has bigger difference, air quantity surplus in the pipeline that causes, and the situation that the pipeline that has causes fragment to be detained to stop up owing to pneumatic underfed.For addressing this problem, between the joint 121 of the joint 111 of the bend pipe 11 in residual paper money cash-processing machine 2 outlet ports and straight tube 12, flow-limiting plate 13 is set, and the aperture of the flow passage component of the flow-limiting plate 13 in each pipeline has nothing in common with each other, can be by different throughputs in the different like this pipelines.In addition, with U-shaped each flow-limiting plate of folder 14 sealing and fixing.

As shown in Figure 3, use concentric type flow-limiting plate 131 to limit in the prior art and be assigned to ducted excessive air quantity.In the use of reality, although use the air quantity behind this concentric type flow-limiting plate 131 to meet the requirements, but the situation that still can occur stopping up sometimes, it mainly is the position, dead angle of the easy accumulation that forms at the flow passage component of this concentric type flow-limiting plate and pipeline, because air-flow turns in bend pipe, this turning point air quantity is bigger, and this concentric type flow-limiting plate 131 must be arranged on this turning point, make this position form the position, dead angle of easy accumulation, easily retain debris.Particularly, have under the adhesion situation at fragment, easier retain debris in position, dead angle that this is easily piled up, and when the fragment that is detained more for a long time, cause the flow passage component place of this concentric type flow-limiting plate blocked even situation about being blocked occurs easily.

The model utility content

Use the concentric type flow-limiting plate in the easy retain debris in position, dead angle of easily piling up for solving, when retain debris more for a long time, cause the situation that the flow passage component place is blocked even appearance is blocked of this concentric type flow-limiting plate easily, the utility model proposes a kind of flow-limiting plate, the profile of this flow-limiting plate is circular platy structure, this flow-limiting plate comprises flow passage component, and described flow passage component is for being arranged on the tabular structural through hole of this circle, and this through hole is circular; The diameter of described flow passage component is less than the diameter of this flow-limiting plate, and the center of circle of described flow passage component does not overlap with the center of circle of this flow-limiting plate; Described flow passage component is arranged on the position, dead angle of the easy accumulation in the pipeline.

Use this flow-limiting plate, not only can satisfy the air quantity demand of each pipeline in the parallel pipeline, can also avoid taking place the situation that retain debris causes line clogging even blocked simultaneously.

Preferably, the distance between the center of circle of described flow passage component and the immediate inner-walls of duct is that the radius of described flow passage component is long.Adopt the flow-limiting plate of this structure, can avoid the problem of position, the dead angle retain debris of the flow passage component of this flow-limiting plate and the easy accumulation that pipeline forms to the full extent, guarantee the proper functioning of this residual paper money processing equipment.

Use the utility model flow-limiting plate, not only can satisfy the different air quantity demand of each pipeline in the parallel pipeline, to such an extent as to can also avoid the situation of using other current-limiting modes to cause retain debris line clogging to take place even blocked simultaneously.

Description of drawings

Fig. 1 is the fundamental diagram of residual paper money processing equipment in the prior art;

Fig. 2 is for being provided with the external structure schematic representation of flow-limiting plate at the connecting pipe of residual paper money cash-processing machine and material storage hopper;

Fig. 3 is the sectional view of the working condition of flow-limiting plate in pipeline in the prior art;

Fig. 4 is the plan view of flow-limiting plate of the present utility model;

Fig. 5 is the sectional view of the working condition of flow-limiting plate of the present utility model in pipeline.

Embodiment

As shown in Figure 4, flow-limiting plate 132 these flow-limiting plates 132 of the present utility model are circular platy structure, comprise restricted portion 1321 and flow passage component 1322.Flow passage component 1322 is for being arranged on the tabular structural through hole of this circle, and this through hole is circular; The diameter of flow passage component 1322 is less than the diameter of this flow-limiting plate 132, and the center of circle of flow passage component 1322 do not overlap with the center of circle of this flow-limiting plate 132, and flow passage component 1322 is arranged on the position, dead angle (as shown in Figure 5) of the easy accumulation in the pipeline 1.Entity part on this flow-limiting plate 132 is the restricted portion 1321 of this flow-limiting plate 132.

Flow passage component 1322 is manhole, greatly reduces the manufacture difficulty of this flow-limiting plate 132.Simultaneously, in use, because the round structure of flow passage component 1322, make the air-flow by flow passage component 1322 the possibility reduction of turbulent flow occur, make gas when carrying residual paper money fragment by this flow-limiting plate 132, can be because turbulent flow wait other factors, fragment is trapped in restricted portion 1321 places of this flow-limiting plate 132, increased the operational safety of this flow-limiting plate 132.

When mounted, according to actual needs, select diameter greater than the flow-limiting plate 132 of pipeline 1 internal diameter, the diameter of the flow passage component 1322 by calculating this flow-limiting plate 132 again, this flow-limiting plate 132 is installed between the joint 121 of the joint 111 of bend pipe 11 and straight tube 12, and flow passage component 1322 is arranged on the position, dead angle of the easy accumulation in the pipeline 1.

Use this flow-limiting plate 132, can solve the flow passage component of concentric type flow-limiting plate 131 and the easy retain debris in position, dead angle of the pipeline 1 interior easy accumulation that forms, particularly have under the adhesion situation at fragment, easily the problem of the easier retain debris in position, dead angle of piling up.And, when retain debris more for a long time, cause the flow passage component place of this concentric type flow-limiting plate 131 blocked even blocked easily, but after using this flow-limiting plate 132, because flow passage component 1322 is arranged on the position, dead angle of the easy accumulation in the pipeline 1, therefore will be somebody's turn to do the position, dead angle of easily piling up and avoid, and make fragment be detained nowhere, and can only enter and carry out work in the next stage working cell.

Preferably, as shown in Figure 5, the distance of the center of circle of flow passage component 1322 and immediate pipeline 1 inwall is that the radius of this flow passage component 1322 is long just.Adopt the flow-limiting plate 132 of this structure, avoided the flow passage component 1322 of this flow-limiting plate 132 and the problem of position, the dead angle retain debris of the pipeline 1 interior easy accumulation that forms to the full extent.

When this flow-limiting plate 132 is installed, air quantity size at first according to actual needs and the diameter of pipeline 1, select the diameter flow-limiting plate 132 identical with the joint diameter of pipeline 1, calculate the diameter of the flow passage component 1322 of this flow-limiting plate 132 again by the air quantity size of actual demand.Make that simultaneously the distance of the center of circle of the flow passage component 1322 of this flow-limiting plate 132 and immediate pipeline 1 inwall is that the radius of this flow passage component 1322 is long just after the installation, and flow passage component 1322 is arranged on the position, dead angle of the easy accumulation in the pipeline 1.This flow-limiting plate 132 is installed between the joint 121 of the joint 111 of bend pipe 11 and straight tube 12, the outside joint 111 of 14 pairs of bend pipes 11 of U-shaped folder, joint 121 and this flow-limiting plate 132 of straight tube 12 of using carries out sealing and fixing.After so connecting, use 132 pairs of air quantity sizes that connect pipeline 1 inside of many residual paper money cash-processing machines 2 of this flow-limiting plate to regulate, air quantity surplus in the pipeline that can avoid, and the situation of the pneumatic underfed of pipeline that has can solve fragment again well and be detained the consequently problem of line clogging.

Claims

1. flow-limiting plate, this flow-limiting plate is circular platy structure, and this flow-limiting plate comprises flow passage component, and described flow passage component is for being arranged on the tabular structural through hole of this circle, and this through hole is circular; The diameter of described flow passage component is less than the diameter of this flow-limiting plate, and the center of circle of described flow passage component does not overlap with the center of circle of this flow-limiting plate; Described flow passage component is arranged on the position, dead angle of the easy accumulation in the pipeline.

2. flow-limiting plate according to claim 1 is characterized in that, the distance between the center of circle of described flow passage component and the immediate inner-walls of duct is that the radius of described flow passage component is long.