CN104646281B - Vibrosieve - Google Patents
Vibrosieve Download PDFInfo
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- CN104646281B CN104646281B CN201510070315.8A CN201510070315A CN104646281B CN 104646281 B CN104646281 B CN 104646281B CN 201510070315 A CN201510070315 A CN 201510070315A CN 104646281 B CN104646281 B CN 104646281B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/282—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens their jigging movement being a closed or open curvilinear path in a plane perpendicular to the plane of the screen and parrallel or transverse to the direction of conveyance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- Combined Means For Separation Of Solids (AREA)
Abstract
振动筛，包括：基座，具有水平支撑部和竖直支撑部，竖直支撑部位于水平支撑部的两端；水平减震机构，与基座的竖直支撑部连接；竖直支撑机构，与基座的水平支撑部连接；水平导轨，分别通过水平减震机构和竖直支撑机构与基座的竖直支撑部和水平支撑部连接；托架，用来固定筛网组件，托架通过滑块可活动地固定在水平导轨上；以及电机，安装在基座上，电机的转动轴通过曲柄连杆机构与滑块连接。根据本发明的振动筛，弹簧受力均匀，使用寿命延长，同时可以方便地调节筛网组件的振动幅度。
The vibrating screen includes: a base with a horizontal support part and a vertical support part, and the vertical support part is located at both ends of the horizontal support part; a horizontal damping mechanism connected with the vertical support part of the base; a vertical support mechanism, It is connected with the horizontal support part of the base; the horizontal guide rail is respectively connected with the vertical support part and the horizontal support part of the base through the horizontal shock absorbing mechanism and the vertical support mechanism; the bracket is used to fix the screen assembly, and the bracket passes through The slide block is movably fixed on the horizontal guide rail; and the motor is installed on the base, and the rotating shaft of the motor is connected with the slide block through a crank linkage mechanism. According to the vibrating screen of the present invention, the force of the spring is uniform, the service life is prolonged, and the vibration amplitude of the screen assembly can be conveniently adjusted.
Description
技术领域technical field
本发明涉及一种振动筛。The invention relates to a vibrating screen.
背景技术Background technique
在制作固体颗粒状或粉末状材料过程中，经常会用到振动筛。常用振动筛中包括筛架、筛网、与筛架相连的弹簧、激励电机等结构部件。通过激励电机来振动筛网，使得小颗粒物料穿过筛网漏下，大颗粒物料便被阻隔在筛网上。从而达到对物料进行筛选和分级的目的。一般采用旋转振动筛进行作业，采用弹簧减震，振动效果不理想，弹簧使用寿命短。In the process of making solid granular or powdery materials, vibrating screens are often used. Commonly used vibrating screens include structural components such as screen frames, screen meshes, springs connected to the screen frames, and excitation motors. The screen is vibrated by exciting the motor, so that the small particles pass through the screen and leak down, and the large particles are blocked on the screen. So as to achieve the purpose of screening and grading materials. Generally, a rotary vibrating screen is used for operation, and a spring is used for shock absorption. The vibration effect is not ideal, and the service life of the spring is short.
解决弹簧受力不均和筛网振动效果差的问题一直是本领域相关技术人员不断探索的课题。为了解决上述问题，人们采取了诸多措施。措施之一是：提高振动筛的振动强度，但该处理办法常又容易受到筛箱刚度的限制，筛面上物料分散、分层和层间运动缺乏足够的动力。Solving the problems of uneven stress on the spring and poor vibration effect of the screen has always been a subject of continuous exploration by those skilled in the art. In order to solve the above problems, people have taken many measures. One of the measures is to increase the vibration intensity of the vibrating screen, but this treatment method is often easily limited by the rigidity of the screen box, and the dispersion, stratification and interlayer movement of materials on the screen surface lack sufficient power.
发明内容Contents of the invention
本发明的目的在于克服现有技术的某些或某种缺陷，提供一种使弹簧受力均匀，使用寿命延长，同时可以调节筛网组件振动幅度的振动筛。The purpose of the present invention is to overcome some or some defects of the prior art, and provide a vibrating screen which makes the force of the spring uniform, prolongs the service life, and can adjust the vibration amplitude of the screen assembly.
根据本发明的振动筛，包括：According to the vibrating screen of the present invention, comprising:
基座，具有水平支撑部和竖直支撑部，竖直支撑部位于水平支撑部的两端；The base has a horizontal support part and a vertical support part, and the vertical support part is located at both ends of the horizontal support part;
水平减震机构，与基座的竖直支撑部连接；a horizontal damping mechanism connected with the vertical support of the base;
竖直支撑机构，与基座的水平支撑部连接；The vertical support mechanism is connected with the horizontal support part of the base;
水平导轨，分别通过水平减震机构和竖直支撑机构与基座的竖直支撑部和水平支撑部连接；The horizontal guide rail is respectively connected with the vertical support part and the horizontal support part of the base through the horizontal damping mechanism and the vertical support mechanism;
托架，用来固定筛网组件，托架通过滑块可活动地固定在水平导轨上；以及the bracket is used to fix the screen assembly, and the bracket is movably fixed on the horizontal guide rail through the slider; and
电机，安装在基座上，电机的转动轴通过曲柄连杆机构与滑块连接。The motor is installed on the base, and the rotating shaft of the motor is connected with the slide block through the crank linkage mechanism.
优选地，其中水平减震机构包括水平弹簧、螺栓和紧固螺母，竖直支撑部上设有竖直移动槽，水平弹簧的一端与水平导轨连接，水平弹簧的另一端与螺栓连接，螺栓穿过竖直移动槽并通过紧固螺母与竖直支撑部固定连接，在固定连接前，螺栓能够在竖直移动槽中上下移动进行定位。Preferably, wherein the horizontal damping mechanism includes a horizontal spring, bolts and fastening nuts, the vertical support part is provided with a vertical moving groove, one end of the horizontal spring is connected with the horizontal guide rail, and the other end of the horizontal spring is connected with the bolt, and the bolt passes through Pass through the vertical moving groove and be fixedly connected with the vertical supporting part by fastening nuts, before the fixed connection, the bolt can move up and down in the vertical moving groove for positioning.
优选地，其中竖直支撑机构包括竖直杆、竖直弹簧和限位螺母，水平支撑部上设有定位孔，竖直杆的下端为螺纹端，螺纹端穿过定位孔与限位螺母连接，并且螺纹端与定位孔之间留有间隙从而使得竖直杆在定位孔中能够上下运动；竖直杆的上端与水平导轨连接；竖直杆上设置有端盖，竖直弹簧的上下端分别与端盖和水平支撑部连接并套接在竖直杆外周。Preferably, wherein the vertical support mechanism includes a vertical rod, a vertical spring and a limit nut, the horizontal support part is provided with a positioning hole, the lower end of the vertical rod is a threaded end, and the threaded end passes through the positioning hole and is connected with the limit nut , and there is a gap between the threaded end and the positioning hole so that the vertical rod can move up and down in the positioning hole; the upper end of the vertical rod is connected with the horizontal guide rail; the vertical rod is provided with an end cover, and the upper and lower ends of the vertical spring They are respectively connected with the end cover and the horizontal support part and sleeved on the outer periphery of the vertical rod.
优选地，其中水平减震机构和竖直支撑机构分别为四个，分别对称设置在水平导轨的两端。Preferably, there are four horizontal shock-absorbing mechanisms and four vertical supporting mechanisms, which are symmetrically arranged at both ends of the horizontal guide rail.
本发明的有益效果：1、当电机作旋转运动时，带动曲柄转动，通过连杆推动滑块在水平导轨上运动。水平导轨产生曲线运动，分解为水平运动和竖直运动。水平运动通过水平减震机构加以削减，竖直运动向下传递到端盖，竖直弹簧随着端盖一起上下震动，达到减震的效果，从而提高了筛网组件的稳定性。2、同时改变水平减震机构和竖直支撑机构。水平减震机构通过竖直移动槽实现上下变动，并用紧固螺母加紧固定。竖直支撑机构通过调节底部的限位螺母改变竖直弹簧的形变量，实现了水平导轨的位置变化，使滑块的行程变化。从而改变筛网组件的振动幅度，达到控制筛网中物料筛选的作用。3、竖直弹簧有一定的上下震动，筛网内的物料可以上下抖动，这增加了物料的筛选效率。4、由于使用了上述结构，提高了弹簧的使用寿命。5、由于使用螺母固定弹簧的下端，更换弹簧时只需拆卸螺母，使底座分离即可，节约了时间，提高了效率。Beneficial effects of the present invention: 1. When the motor rotates, the crank is driven to rotate, and the slider is pushed to move on the horizontal guide rail through the connecting rod. The horizontal guide rail produces curved motion, which is decomposed into horizontal motion and vertical motion. The horizontal movement is reduced by the horizontal shock absorbing mechanism, the vertical movement is transmitted downward to the end cover, and the vertical spring vibrates up and down with the end cover to achieve the effect of shock absorption, thereby improving the stability of the screen assembly. 2. Change the horizontal damping mechanism and vertical support mechanism at the same time. The horizontal damping mechanism realizes the up and down movement through the vertical moving groove, and is tightened and fixed with fastening nuts. The vertical support mechanism changes the deformation of the vertical spring by adjusting the limit nut at the bottom, which realizes the position change of the horizontal guide rail and changes the stroke of the slider. Thereby changing the vibration amplitude of the screen assembly to achieve the effect of controlling the screening of materials in the screen. 3. The vertical spring vibrates up and down to a certain extent, and the materials in the screen can vibrate up and down, which increases the screening efficiency of materials. 4. Due to the use of the above structure, the service life of the spring is improved. 5. Since the lower end of the spring is fixed by a nut, only the nut needs to be disassembled to separate the base when replacing the spring, which saves time and improves efficiency.
附图说明Description of drawings
图1为根据本发明的振动筛的结构示意图；Fig. 1 is the structural representation of vibrating screen according to the present invention;
图2为图1中A处左视图；Fig. 2 is the left side view of place A in Fig. 1;
图3为图1中B处局部放大图；Fig. 3 is a partial enlarged view of place B in Fig. 1;
图4为根据本发明的振动筛的俯视示意图；Fig. 4 is a top view schematic diagram of a vibrating screen according to the present invention;
图中标记为：Labeled in the figure:
1、基座；2、托盘；3、筛网组件；4、电机；5、滑块；6、连杆；7、水平导轨；8、紧固螺母；9、水平弹簧；10、曲柄；11、螺栓；12、竖直移动槽；13、端盖；14、竖直弹簧；15、限位螺母；16、竖直杆；17、竖直支撑部；18、水平支撑部；19、定位孔；A、水平减震机构；B、竖直支撑机构。1. Base; 2. Tray; 3. Screen assembly; 4. Motor; 5. Slider; 6. Connecting rod; 7. Horizontal guide rail; 8. Fastening nut; 9. Horizontal spring; 10. Crank; 11 , bolt; 12, vertical moving groove; 13, end cover; 14, vertical spring; 15, limit nut; 16, vertical rod; 17, vertical support part; 18, horizontal support part; 19, positioning hole ; A, horizontal damping mechanism; B, vertical support mechanism.
具体实施方式detailed description
下面结合附图来详细描述本发明的振动筛，本领域技术人员应当理解，下面描述的实施例仅是对本发明的示例性说明，而非用于对其作出任何限制。The vibrating screen of the present invention will be described in detail below in conjunction with the accompanying drawings. Those skilled in the art should understand that the embodiments described below are only illustrative illustrations of the present invention, and are not intended to limit it in any way.
参见图1，根据本发明的振动筛主要包括基座1、水平减震机构A、竖直支撑机构B、水平导轨7、托架2、筛网组件3以及电机4。基座1具有水平支撑部18和竖直支撑部17，竖直支撑部17位于水平支撑部18的两端。水平减震机构A与基座1的竖直支撑部17连接,竖直支撑机构B与基座1的水平支撑部18连接。水平导轨7分别通过水平减震机构A和竖直支撑机构B与基座1的竖直支撑部17和水平支撑部18连接。托架2用来固定筛网组件3，托架2通过滑块5可活动地连接在水平导轨7上。电机4安装在基座1上，电机1的转动轴通过曲柄10、连杆6与滑块5连接。当电机4作旋转运动时，带动曲柄10转动，通过连杆6推动滑块5在水平导轨7上运动，固定在滑块5上的托架2也作往复运动，从而带动筛网组件3做左右和上下运动。Referring to FIG. 1 , the vibrating screen according to the present invention mainly includes a base 1 , a horizontal damping mechanism A, a vertical support mechanism B, a horizontal guide rail 7 , a bracket 2 , a screen assembly 3 and a motor 4 . The base 1 has a horizontal support portion 18 and a vertical support portion 17 , and the vertical support portions 17 are located at both ends of the horizontal support portion 18 . The horizontal damping mechanism A is connected to the vertical support portion 17 of the base 1, and the vertical support mechanism B is connected to the horizontal support portion 18 of the base 1. The horizontal guide rail 7 is connected to the vertical support portion 17 and the horizontal support portion 18 of the base 1 through the horizontal damping mechanism A and the vertical support mechanism B respectively. The bracket 2 is used to fix the screen assembly 3 , and the bracket 2 is movably connected to the horizontal guide rail 7 through the slider 5 . The motor 4 is installed on the base 1, and the rotating shaft of the motor 1 is connected with the slider 5 through the crank 10 and the connecting rod 6. When the motor 4 rotates, it drives the crank 10 to rotate, and the connecting rod 6 pushes the slider 5 to move on the horizontal guide rail 7, and the bracket 2 fixed on the slider 5 also performs reciprocating motion, thereby driving the screen assembly 3 to move Left and right and up and down movements.
还参见图2，水平减震机构A包括水平弹簧9、螺栓11和紧固螺母8，竖直支撑部17上设有竖直移动槽12。水平弹簧9的一端与水平导轨7连接，水平弹簧9的另一端与螺栓11连接。螺栓11穿过竖直移动槽12并通过紧固螺母8与竖直支撑部17固定连接，在固定连接前，螺栓11能够在竖直移动槽12中上下移动进行定位。Referring also to FIG. 2 , the horizontal damping mechanism A includes a horizontal spring 9 , bolts 11 and fastening nuts 8 , and a vertical moving slot 12 is provided on the vertical supporting portion 17 . One end of the horizontal spring 9 is connected with the horizontal guide rail 7, and the other end of the horizontal spring 9 is connected with the bolt 11. The bolt 11 passes through the vertical moving groove 12 and is fixedly connected with the vertical supporting part 17 by the fastening nut 8. Before the fixed connection, the bolt 11 can move up and down in the vertical moving groove 12 for positioning.
还参见图3，竖直支撑机构B包括竖直杆16、竖直弹簧14和限位螺母15，水平支撑部18上设有定位孔19。竖直杆16的下端为螺纹端，螺纹端穿过定位孔19与限位螺母15连接，并且螺纹端与定位孔19之间留有间隙从而使得竖直杆16在定位孔19中能够上下运动。竖直杆16的上端与水平导轨7连接。竖直杆16上设置有端盖13，竖直弹簧14的上下端分别与端盖13和水平支撑部18连接并套接在竖直杆16的下部外周。当振动筛工作时，竖直弹簧14有一定的上下震动，筛网组件3内的物料可以上下抖动，这增加了物料的筛选效率。Referring also to FIG. 3 , the vertical support mechanism B includes a vertical rod 16 , a vertical spring 14 and a limit nut 15 , and a positioning hole 19 is provided on the horizontal support portion 18 . The lower end of the vertical rod 16 is a threaded end, the threaded end passes through the positioning hole 19 and is connected with the stop nut 15, and there is a gap between the threaded end and the positioning hole 19 so that the vertical rod 16 can move up and down in the positioning hole 19 . The upper end of the vertical rod 16 is connected with the horizontal guide rail 7 . The vertical rod 16 is provided with an end cap 13 , and the upper and lower ends of the vertical spring 14 are respectively connected with the end cap 13 and the horizontal support portion 18 and sleeved on the lower periphery of the vertical rod 16 . When the vibrating screen works, the vertical spring 14 vibrates up and down to a certain extent, and the materials in the screen assembly 3 can vibrate up and down, which increases the screening efficiency of materials.
上述水平减震机构A和竖直支撑机构B都使用螺母来固定弹簧下端，更换弹簧时只需拆卸螺母，使其与基座分离即可，节约了时间，提高了效率。The above-mentioned horizontal damping mechanism A and vertical support mechanism B both use nuts to fix the lower end of the spring. When replacing the spring, you only need to disassemble the nut to separate it from the base, which saves time and improves efficiency.
还参见图4，水平减震机构A和竖直支撑机构B分别为四个，分别对称设置在水平导轨7的两端。这种设计的优点是避免了单一弹簧作为支撑件时，弹簧的左右摇晃造成的筛网组件不稳和对弹簧的磨损。Also referring to FIG. 4 , there are four horizontal damping mechanisms A and four vertical supporting mechanisms B, which are symmetrically arranged at both ends of the horizontal guide rail 7 . The advantage of this design is that when a single spring is used as a supporting member, the instability of the screen assembly caused by the left and right shaking of the spring and the wear of the spring are avoided.
下面介绍本发明的振动筛的工作原理和操作方法。The working principle and operation method of the vibrating screen of the present invention are introduced below.
将装有待筛分颗粒材料(例如药物粉体)的筛网组件3固定在托架2上，根据实际需要调节好筛网组件3的振动幅度，启动电机4，电机轴带动曲柄10转动，通过连杆6推动滑块5在水平导轨7上运动，同时也带动水平导轨7做曲线运动。固定在滑块5上的托架2也作往复运动，从而带动筛网组件3振动从而进行颗粒材料的有效分离。水平导轨7的曲线运动分解为水平运动和竖直运动。水平运动通过水平减震机构A加以削减；竖直运动向下传递到端盖13，竖直弹簧14随着端盖13一起上下震动，达到减震的效果。通过水平减震机构A和竖直支撑机构B的减震，能够有效提高振动筛的稳定性。Fix the screen assembly 3 containing the granular material to be screened (such as drug powder) on the bracket 2, adjust the vibration amplitude of the screen assembly 3 according to actual needs, start the motor 4, the motor shaft drives the crank 10 to rotate, and pass The connecting rod 6 pushes the slider 5 to move on the horizontal guide rail 7, and also drives the horizontal guide rail 7 to move in a curve. The bracket 2 fixed on the slider 5 also reciprocates, thereby driving the screen assembly 3 to vibrate so as to effectively separate the granular material. The curved motion of horizontal guide rail 7 is decomposed into horizontal motion and vertical motion. The horizontal movement is reduced by the horizontal damping mechanism A; the vertical movement is transmitted downward to the end cover 13, and the vertical spring 14 vibrates up and down along with the end cover 13 to achieve the effect of shock absorption. Through the shock absorption of the horizontal shock absorbing mechanism A and the vertical support mechanism B, the stability of the vibrating screen can be effectively improved.
当需要改变筛网组件3的的振动幅度时，可以同时改变水平减震机构A和竖直支撑机构B。通过将螺栓11在竖直移动槽12中上下变动，并用螺母8加紧固定，来调节水平减震机构A。通过调节限位螺母15在竖直杆16上的上下位置来改变竖直弹簧14的形变量，从而调节竖直支撑机构B。通过上述调节手段实现了水平导轨7的位置变化，使滑块5的行程变化，从而改变筛网组件3的振动幅度。通过对振动幅度的调整，能够适应不同筛分条件的要求。When the vibration amplitude of the screen assembly 3 needs to be changed, the horizontal damping mechanism A and the vertical support mechanism B can be changed at the same time. The horizontal damping mechanism A is adjusted by moving the bolt 11 up and down in the vertical moving groove 12 and tightening and fixing it with the nut 8 . The deformation of the vertical spring 14 is changed by adjusting the up and down position of the limit nut 15 on the vertical rod 16 , thereby adjusting the vertical support mechanism B. Through the adjustment means above, the position of the horizontal guide rail 7 can be changed, and the stroke of the slider 5 can be changed, thereby changing the vibration amplitude of the screen assembly 3 . By adjusting the vibration amplitude, it can adapt to the requirements of different screening conditions.
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| CN105127106B (en) * | 2015-08-21 | 2017-04-26 | 北京本农科技发展有限公司 | Screening and separating device for fine soil before soil improvement |
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