CN204602332U - A kind of discharge grid plate for screen analysis material - Google Patents
A kind of discharge grid plate for screen analysis material Download PDFInfo
- Publication number
- CN204602332U CN204602332U CN201420823776.9U CN201420823776U CN204602332U CN 204602332 U CN204602332 U CN 204602332U CN 201420823776 U CN201420823776 U CN 201420823776U CN 204602332 U CN204602332 U CN 204602332U
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- Prior art keywords
- grate
- seam
- grid plate
- discharge grid
- discharge
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- Expired - Lifetime
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- 239000000463 material Substances 0.000 title claims abstract description 22
- 238000004458 analytical method Methods 0.000 title claims description 9
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000007873 sieving Methods 0.000 abstract description 5
- 238000009423 ventilation Methods 0.000 abstract description 5
- 238000012216 screening Methods 0.000 abstract description 4
- 238000000227 grinding Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Landscapes
- Crushing And Grinding (AREA)
Abstract
本实用新型公开了一种用于筛析物料的出料篦板，包括出料篦板本体，所述出料篦板本体上设有固定孔和篦缝，所述篦缝的一端开口大于另一端开口，篦缝的开口小端设有倒角。所述篦缝包括锥缝段和直缝段，所述倒角设在直缝段的外端。篦缝截面形状设计成喇叭形，直缝段的设计可以保证初始的筛析物料效率不会降低，能够恒定磨内通风，倒角的设计可有效避免堵料现象发生，保证磨机工况的稳定性，达到稳产的目的，具有较好的经济效益。
The utility model discloses a discharge grate plate for sieving and analyzing materials, which comprises a discharge grate plate body, the discharge grate plate body is provided with a fixing hole and a grate slit, and the opening of one end of the grate slit is larger than the other. One end is open, and the opening small end of the grate seam is provided with a chamfer. The grate seam includes a tapered seam section and a straight seam section, and the chamfer is arranged at the outer end of the straight seam section. The section shape of the grate slit is designed to be trumpet-shaped. The design of the straight slit section can ensure that the initial screening efficiency of the material will not be reduced, and the ventilation inside the mill can be kept constant. Stability, to achieve the purpose of stable production, with better economic benefits.
Description
技术领域 technical field
本实用新型涉及粉磨设备技术领域，尤其是涉及一种用于筛析物料的出料篦板。 The utility model relates to the technical field of grinding equipment, in particular to a discharge grate plate for sieving and analyzing materials.
背景技术 Background technique
出料篦板是粉磨设备的关键部件，主要有三大作用：1、及时将磨机内部的物料排除，控制磨机尾部的料球比和物料停留时间；2、改善磨内的通风条件，降低磨机内部温度，并可及时带走细粉；3、控制物料流速、平衡首尾仓的粉磨能力、提高料球比和防止反分级的作用。 The discharge grate is the key part of the grinding equipment, and it has three main functions: 1. To remove the material inside the mill in time, to control the material-to-ball ratio and the residence time of the material at the tail of the mill; 2. To improve the ventilation conditions in the mill, Reduce the internal temperature of the mill and take away the fine powder in time; 3. Control the material flow rate, balance the grinding capacity of the head and tail bins, increase the material-ball ratio and prevent reverse classification.
然而，在实际生产运行工作中，经常出现中小钢球及碎钢球卡在篦缝内，堵塞篦缝现象；随着设备大型化发展，篦板厚度随之增加，使用传统结构的出料篦板会导致卡进篦缝的研磨体更加难脱落，使得球磨机过料能力变差，通风能力变小，直接影响球磨机生产能力，同时电耗也随之上升。 However, in actual production and operation, small and medium steel balls and broken steel balls often get stuck in the grate seam and block the grate seam; with the development of large-scale equipment, the thickness of the grate plate increases accordingly, and the discharge grate with traditional structure The plate will make it more difficult for the grinding body stuck in the grate seam to fall off, making the ball mill's feeding capacity and ventilation capacity smaller, which directly affects the production capacity of the ball mill, and at the same time, the power consumption also increases.
实用新型内容 Utility model content
针对现有技术不足，本实用新型所要解决的技术问题是提供一种用于筛析物料的出料篦板，以达到减少篦缝卡球现象的目的。 Aiming at the deficiencies of the existing technology, the technical problem to be solved by the utility model is to provide a discharge grate plate for sieving and analyzing materials, so as to achieve the purpose of reducing the phenomenon of ball jamming in the grate seam.
为了解决上述技术问题，本实用新型所采用的技术方案为： In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
该用于筛析物料的出料篦板，包括出料篦板本体，所述出料篦板本体上设有固定孔和篦缝，所述篦缝的一端开口大于另一端开口，篦 缝的开口小端设有倒角。 The discharge grate plate used for sieving and analyzing materials includes a discharge grate plate body. The discharge grate plate body is provided with a fixed hole and a grate slit. One end opening of the grate slit is larger than the other end opening. The small end of the opening is provided with a chamfer.
进一步的，所述篦缝包括锥缝段和直缝段，所述倒角设在直缝段的外端。 Further, the grate seam includes a tapered seam section and a straight seam section, and the chamfer is provided at the outer end of the straight seam section.
所述固定孔的端部设有斜倒角。 The ends of the fixing holes are provided with oblique chamfers.
所述出料篦板为整体铸造的一体结构。 The discharge grate plate is an integrated structure of integral casting.
所述出料篦板采用耐磨铸钢。 The discharge grate plate is made of wear-resistant cast steel.
所述篦缝为相互平行设置的一组。 The grate slits are a group arranged parallel to each other.
本实用新型与现有技术相比，具有以下优点： Compared with the prior art, the utility model has the following advantages:
篦缝截面形状设计成喇叭形，直缝段的设计可以保证初始的筛析物料效率不会降低，能够恒定磨内通风，倒角的设计可有效避免堵料现象发生，保证磨机工况的稳定性，达到稳产的目的，具有较好的经济效益。 The section shape of the grate slit is designed to be trumpet-shaped. The design of the straight slit section can ensure that the initial screening efficiency of the material will not be reduced, and the ventilation inside the mill can be kept constant. Stability, to achieve the purpose of stable production, with better economic benefits.
附图说明 Description of drawings
下面对本说明书各幅附图所表达的内容及图中的标记作简要说明： The following is a brief description of the content expressed in the drawings of this manual and the marks in the drawings:
图1为本实用新型出料篦板结构示意图。 Fig. 1 is the structure schematic diagram of the discharge grate plate of the present utility model.
图2为沿图1中A-A剖视图。 Fig. 2 is a sectional view along A-A in Fig. 1 .
图中：1.出料篦板本体、11.固定孔、12.篦缝、1201.锥缝段、1202.直缝段。 Among the figure: 1. discharge grate plate body, 11. fixing hole, 12. grate seam, 1201. taper seam section, 1202. straight seam section.
具体实施方式 Detailed ways
下面对照附图，通过对实施例的描述，对本实用新型的具体实施方式作进一步详细的说明。 The specific implementation of the present utility model will be described in further detail below by describing the embodiments with reference to the accompanying drawings.
如图1和图2所示，该用于筛析物料的出料篦板，包括板状的出料篦板本体1，在出料篦板本体1上设有固定孔11和篦缝12，固定孔11为对称设置的两个，固定孔11的端部设有斜倒角，便于安装，出料篦板通过螺栓穿过固定孔11固定在卸料支架上，固定孔的内壁上硫化有橡胶层，使用过程中减小振动，固定可靠。 As shown in Figures 1 and 2, the discharge grate for sieving materials includes a plate-shaped discharge grate body 1, on which the discharge grate body 1 is provided with fixing holes 11 and grate seams 12, The fixing holes 11 are two symmetrically arranged. The ends of the fixing holes 11 are provided with oblique chamfers, which are convenient for installation. The rubber layer reduces vibration during use and is securely fixed.
篦缝12为一组腰形孔，四个并排设置位于出料篦板本体1上一侧，另外四个并排设置位于出料篦板本体上另一侧，篦缝12之间相互平行设置；其中，具体缝宽可根据不同客户的粉磨工艺要求进行设计。 The grate slit 12 is a group of waist-shaped holes, four are arranged side by side on one side of the discharge grate body 1, and the other four are arranged side by side on the other side of the discharge grate body, and the grate slits 12 are arranged parallel to each other; Among them, the specific seam width can be designed according to the grinding process requirements of different customers.
篦缝12截面形状设计成喇叭形，篦缝12的一端开口大于另一端开口，篦缝的开口小端设有倒角。具体为，篦缝12包括锥缝段1201和直缝段1202，倒角设在直缝段的外端。其中，直缝段的设计可以保证初始的筛析物料效率不会降低，能够恒定磨内通风；倒角的设计可有效避免堵料现象发生，保证磨机工况的稳定性。 The cross-sectional shape of grate seam 12 is designed into a trumpet shape, and one end opening of grate seam 12 is larger than the other end opening, and the opening small end of grate seam is provided with chamfering. Specifically, the grate seam 12 includes a tapered seam section 1201 and a straight seam section 1202, and the chamfer is arranged at the outer end of the straight seam section. Among them, the design of the straight slit section can ensure that the efficiency of the initial screening and analysis of the material will not be reduced, and the ventilation inside the mill can be kept constant; the design of the chamfer can effectively avoid the occurrence of material blocking and ensure the stability of the mill working condition.
出料篦板为整体铸造的一体结构，出料篦板采用中合金耐磨铸钢，材料牌号选用H4或H9。篦缝这种结构不会降低筛析效率，可有效避免堵料现象发生，在篦板的使用寿命周期内可以保证磨机工况的稳定性，达到稳产的目的，具有较好的经济效益。 The discharge grate is an integrated structure of integral casting. The discharge grate is made of medium alloy wear-resistant cast steel, and the material grade is H4 or H9. The structure of the grate slit will not reduce the efficiency of screening and analysis, and can effectively avoid the phenomenon of material blocking. During the service life of the grate plate, it can ensure the stability of the working condition of the mill, achieve the purpose of stable production, and have good economic benefits.
出料篦板制作工艺： The production process of the discharge grate plate:
首先，按照客户工艺提出的要求对出料篦板结构进行设计，制作相应的模具主芯和芯盒； First, design the structure of the discharge grate according to the requirements of the customer's process, and make the corresponding mold main core and core box;
然后，根据主芯和芯盒制造砂型、砂芯； Then, manufacture sand molds and sand cores according to the main core and core box;
最后，采用合适的回炉料、废钢及其他原材料按照一定比例配比后熔炼，再进行浇注，出钢温度控制在1670℃左右，浇注温度控制在1620℃左右，特别注意的是在浇注的过程中温度下降的速度要控制在8-10℃/min以内；浇注成型后，进行打磨处理、热处理(淬火加热温度控制1000℃，回火加热温度控制360℃)和落砂处理，做探伤鉴定，特别是在篦缝的位置，防止出现贯穿性裂纹。 Finally, use suitable recycled materials, scrap steel and other raw materials according to a certain ratio and then smelt them, and then pour them. The tapping temperature is controlled at about 1670°C, and the pouring temperature is controlled at about 1620°C. Special attention is paid to the pouring process. The rate of temperature drop should be controlled within 8-10°C/min; after casting, grinding, heat treatment (quenching heating temperature is controlled at 1000°C, tempering heating temperature is controlled at 360°C) and sanding treatment, and flaw detection is carried out. It is at the position of the grate seam to prevent penetrating cracks.
上面结合附图对本实用新型进行了示例性描述，显然本实用新型具体实现并不受上述方式的限制，只要采用了本实用新型的构思和技术方案进行的各种非实质性的改进，或未经改进将本实用新型的构思和技术方案直接应用于其它场合的，均在本实用新型的保护范围之内。 The utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned method, as long as various insubstantial improvements made by the idea and technical solutions of the utility model are adopted, or there is no The design and technical solutions of the utility model that are directly applied to other occasions through improvement are all within the protection scope of the utility model.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420823776.9U CN204602332U (en) | 2014-12-22 | 2014-12-22 | A kind of discharge grid plate for screen analysis material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420823776.9U CN204602332U (en) | 2014-12-22 | 2014-12-22 | A kind of discharge grid plate for screen analysis material |
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| CN204602332U true CN204602332U (en) | 2015-09-02 |
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| CN201420823776.9U Expired - Lifetime CN204602332U (en) | 2014-12-22 | 2014-12-22 | A kind of discharge grid plate for screen analysis material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999379A (en) * | 2017-12-15 | 2018-05-08 | 平湖市海特合金有限公司 | The circular leaf outside diameter upper and lower bound instruments of inspection |
| CN112588378A (en) * | 2020-12-21 | 2021-04-02 | 江苏双星特钢有限公司 | Prevent stifled comb board convenient to change and wash |
-
2014
- 2014-12-22 CN CN201420823776.9U patent/CN204602332U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999379A (en) * | 2017-12-15 | 2018-05-08 | 平湖市海特合金有限公司 | The circular leaf outside diameter upper and lower bound instruments of inspection |
| CN112588378A (en) * | 2020-12-21 | 2021-04-02 | 江苏双星特钢有限公司 | Prevent stifled comb board convenient to change and wash |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150902 |