CN103611658A - Accurate film thickness regulating device of flat film scraping machine - Google Patents
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- 238000007790 scraping Methods 0.000 title claims abstract description 42
- 230000001105 regulatory effect Effects 0.000 title description 2
- 239000012528 membrane Substances 0.000 claims abstract description 7
- 230000003746 surface roughness Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000012938 design process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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Abstract
本发明公开了一种平板刮膜机的膜厚精确调节装置，包含1个刮刀和2个调节装置，刮刀两端分别设有被支持部，所述被支持部的底部为斜面，所述调节装置包含支撑块、斜滑块、压力弹簧、压力弹簧固定块、膜厚调节旋钮和校正螺栓；所述斜滑块位于支撑块上，与支撑块滑动连接；所述斜滑块与被支持部的底部相连，所述斜滑块的斜度与被支持部顶部的斜度相同；所述被支持部的顶部与压力弹簧相连，所述压力弹簧顶部与压力弹簧固定块相连；所述支撑块两端设有侧臂，所述侧臂上设有光滑圆孔，所述膜调节旋钮的调节杆穿过所述圆孔与斜滑块相连，所述校正螺栓穿过另一所述圆孔与斜滑块相连。本发明平板刮膜机的膜厚精确调节装置对膜厚的调节简单易行，系统误差小。
The invention discloses a device for accurately adjusting the film thickness of a flat film scraping machine, which comprises a scraper and two adjusting devices. Supported parts are respectively provided at both ends of the scraper, and the bottom of the supported part is an inclined plane. The device comprises a support block, an oblique slider, a pressure spring, a pressure spring fixing block, a film thickness adjustment knob and a correction bolt; the oblique slider is located on the support block and is slidably connected with the support block; The bottom of the inclined slider is connected with the slope of the top of the supported part; the top of the supported part is connected with the pressure spring, and the top of the pressure spring is connected with the pressure spring fixed block; the support block There are side arms at both ends, and a smooth round hole is set on the side arm, the adjustment rod of the membrane adjustment knob passes through the round hole and is connected with the inclined slider, and the correction bolt passes through the other round hole Connected to the ramp. The film thickness precise adjustment device of the flat film scraping machine of the present invention is simple and easy to adjust the film thickness, and the system error is small.
Description
技术领域technical field
本发明涉及到膜生产设备领域，尤其涉及到一种平板刮膜机的膜厚精确调节装置。The invention relates to the field of film production equipment, in particular to a film thickness precise adjustment device of a flat film scraping machine.
背景技术Background technique
膜分离技术是近些年迅速发展起来的一种新型分离净化技术。在水处理过程中，通过膜表面的微孔截留作用来达到分离水中污染物的目的，膜分离过程中一般无相变和二次污染，可在常温下连续操作，具有能耗低、设备体积小、操作方便等优势。Membrane separation technology is a new type of separation and purification technology that has developed rapidly in recent years. In the process of water treatment, the purpose of separating pollutants in water is achieved through the interception of micropores on the surface of the membrane. Generally, there is no phase change and secondary pollution in the membrane separation process, and it can be operated continuously at room temperature. It has low energy consumption and equipment volume. Small, easy to operate and other advantages.
目前公知的平板膜制备过程大致分为四部分：刮膜、凝胶、热处理和卷绕；具体为：首先溶解聚合物及相关添加剂形成铸膜液，然后通过导轮将基底材料如无纺布、纸基等输入至成型机内，通过设置在输入/输出端的驱动电机驱动，在基底材料的连续运动过程中完成其表面的铸膜作业，在上述成型过程中，与料槽的铸膜液出口对应设置的基板为一转动设置的基板辊，随着基底材料沿该基板辊的移动，其上部设置的斜槽由出料口将铸膜液均匀的流涎于基底上，经设置在出料口前端的刮刀刮平、固化制成膜。在对刮膜机的设计过程中，膜厚精确调节是最主要的设计要点。对于膜厚调节，传统的方法是采用不同规格的塞尺来控制，塞尺调节会造成较大的系统误差，而且塞尺调节过程较繁琐，不利于提高生产效率。如何优化刮膜机膜厚精确调节装置是刮膜机设计过程中一个重要待解决问题。The currently known flat film preparation process is roughly divided into four parts: scraping film, gel, heat treatment and winding; specifically: first dissolve the polymer and related additives to form a casting solution, and then pass the base material such as non-woven fabric through the guide wheel , paper base, etc. are input into the forming machine, driven by the drive motor installed at the input/output end, and the film casting operation on the surface of the base material is completed during the continuous motion process of the base material. The substrate corresponding to the outlet is a rotatable substrate roller. As the base material moves along the substrate roller, the chute set on the upper part will evenly drool the casting liquid on the substrate through the discharge port. The scraper at the front end of the mouth is scraped and solidified to form a film. In the design process of the film scraping machine, the precise adjustment of the film thickness is the most important design point. For film thickness adjustment, the traditional method is to use feeler gauges of different specifications to control. Feeler gauge adjustment will cause large system errors, and the feeler gauge adjustment process is cumbersome, which is not conducive to improving production efficiency. How to optimize the precise adjustment device of the film thickness of the film scraping machine is an important problem to be solved in the design process of the film scraping machine.
发明内容Contents of the invention
为了解决上述问题，本发明提供一种平板刮膜机的膜厚精确调节装置。In order to solve the above problems, the present invention provides a device for accurately adjusting the film thickness of a flat film scraping machine.
为了实现上述目的，本发明提供如下技术方案：In order to achieve the above object, the present invention provides the following technical solutions:
一种平板刮膜机的膜厚精确调节装置，包含1个刮刀和2个调节装置，刮刀两端分别设有被支持部，所述被支持部的底部为斜面，所述调节装置包含支撑块、斜滑块、压力弹簧、压力弹簧固定块、膜厚调节旋钮和校正螺栓；所述斜滑块位于支撑块上，与支撑块滑动连接；所述斜滑块与被支持部的底部相连，所述斜滑块的斜度与被支持部顶部的斜度相同；所述被支持部的顶部与压力弹簧相连，所述压力弹簧顶部与压力弹簧固定块相连；所述支撑块两端设有侧臂，所述侧臂上设有光滑圆孔，所述膜调节旋钮的调节杆穿过所述圆孔与斜滑块相连，所述校正螺栓穿过另一所述圆孔与斜滑块相连。A device for accurately adjusting the film thickness of a flat-panel film scraping machine, comprising a scraper and two adjustment devices, supported parts are provided at both ends of the scraper, the bottom of the supported part is a slope, and the adjustment device includes a support block , an oblique slider, a pressure spring, a pressure spring fixing block, a film thickness adjustment knob and a correction bolt; the oblique slider is located on the support block and is slidably connected with the support block; the oblique slider is connected to the bottom of the supported part, The slope of the inclined slider is the same as that of the top of the supported part; the top of the supported part is connected with the pressure spring, and the top of the pressure spring is connected with the pressure spring fixing block; The side arm is provided with a smooth round hole, the adjustment rod of the membrane adjustment knob passes through the round hole and is connected to the inclined slider, and the correction bolt passes through the other round hole to connect with the inclined slider connected.
优选地，所述斜滑块的斜度为1：10。Preferably, the slope of the inclined slider is 1:10.
优选地，所述斜滑块底部设有导滑槽，所述支撑块顶部设有导轨，所述导滑槽与所述导轨采用间隙配合。Preferably, a slide guide groove is provided at the bottom of the inclined slider, and a guide rail is provided at the top of the support block, and the guide slide groove and the guide rail adopt clearance fit.
优选地，所述支撑块顶部设有导滑槽，所述斜滑块底部设有导轨，所述导滑槽与所述导轨采用间隙配合。Preferably, a sliding guide groove is provided on the top of the support block, and a guide rail is provided at the bottom of the inclined slider, and the sliding guide groove and the guide rail adopt clearance fit.
优选地，所述膜厚调节旋钮上设置有均匀刻度。Preferably, the film thickness adjustment knob is provided with a uniform scale.
优选地，所述膜厚调节旋钮的调节精度精确至1微米。Preferably, the adjustment accuracy of the film thickness adjustment knob is accurate to 1 micron.
优选地，所述被支持部顶部设有压力弹簧定位浅槽，所述压力弹簧固定块底部设有压力弹簧定位槽。Preferably, the top of the supported part is provided with a pressure spring positioning shallow groove, and the bottom of the pressure spring fixing block is provided with a pressure spring positioning groove.
优选地，所述斜滑块两端设置有同轴螺纹孔。Preferably, both ends of the inclined slider are provided with coaxial threaded holes.
优选地，所述斜滑块下端和所述支撑块上端尺寸公差等级为7级，表面粗糙度为1.6。Preferably, the dimensional tolerance grade of the lower end of the inclined slider and the upper end of the support block is grade 7, and the surface roughness is 1.6.
优选地，所述压力弹簧压力范围为300N-700N。Preferably, the pressure range of the pressure spring is 300N-700N.
与现有技术相比，本发明平板刮膜机的膜厚精确调节装置具有以下有益效果：Compared with the prior art, the precise adjustment device of the film thickness of the flat film scraping machine of the present invention has the following beneficial effects:
（1）通过调节膜厚调节旋钮控制所述斜滑块线性移动，进而控制所述刮刀升降完成对膜产品厚度的调节，膜厚调节简单易行，能有效减小系统误差；(1) Control the linear movement of the inclined slider by adjusting the film thickness adjustment knob, and then control the lift of the scraper to complete the adjustment of the thickness of the film product. The film thickness adjustment is simple and easy, and can effectively reduce the system error;
（2）膜厚调节旋钮上设置有均匀刻度，调节精度精确至1微米，对膜厚的调节更精确；(2) There is a uniform scale on the film thickness adjustment knob, the adjustment accuracy is as accurate as 1 micron, and the film thickness adjustment is more accurate;
（3）压力弹簧和斜滑块共同作用，使刮刀被压紧，保证刮刀在刮膜过程中不会上下移动，进一步确保了刮膜膜厚的精确性。(3) The pressure spring and the inclined slider work together to compress the scraper to ensure that the scraper does not move up and down during the scraping process, further ensuring the accuracy of the scraping film thickness.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.
图1为本发明平板刮膜机的膜厚精确调节装置第一实施例的主视图。Fig. 1 is a front view of the first embodiment of the film thickness precise adjustment device of the flat film scraping machine of the present invention.
图2为本发明平板刮膜机的膜厚精确调节装置第一实施例的俯视图。Fig. 2 is a top view of the first embodiment of the device for accurately adjusting the film thickness of the flat film scraping machine of the present invention.
图3为本发明平板刮膜机的膜厚精确调节装置第一实施例的左视图。Fig. 3 is a left view of the first embodiment of the film thickness precise adjustment device of the flat film scraping machine of the present invention.
图4为本发明平板刮膜机的膜厚精确调节装置第一实施例的压力弹簧固定块的剖面图。Fig. 4 is a cross-sectional view of the pressure spring fixing block of the first embodiment of the film thickness precise adjustment device of the flat film scraping machine of the present invention.
图5为本发明平板刮膜机的膜厚精确调节装置第一实施例的斜滑块的左视图。Fig. 5 is a left view of the inclined slider of the first embodiment of the film thickness precise adjustment device of the flat film scraping machine of the present invention.
附图标号说明：Explanation of reference numbers:
1支撑块； 5压力弹簧固定块； 9导轨；1 support block; 5 pressure spring fixed block; 9 guide rail;
2斜滑块； 6膜厚调节旋钮； 10导滑槽；2 inclined slider; 6 film thickness adjustment knob; 10 guide chute;
3刮刀； 7支撑架； 11侧臂；3 scrapers; 7 support frames; 11 side arms;
4压力弹簧； 8压力弹簧定位槽； 12校正螺栓。4 pressure spring; 8 pressure spring positioning slot; 12 correction bolt.
具体实施方式Detailed ways
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例和附图，对本发明实施例中的技术方案进行清楚、完整地描述。需要说明的是，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention and the accompanying drawings. It should be noted that the described embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
实施例1Example 1
如图1、图2和图3所示，平板刮膜机的膜厚精确调节装置，包含1个刮刀3和2个调节装置；刮刀3两端分别设有被支持部3，所述被支持部31的底部为斜面，所述被支持部31的顶部为平面，所述被支持部31的顶部设有压力弹簧定位浅槽。As shown in Figure 1, Figure 2 and Figure 3, the precise film thickness adjustment device of the flat film scraping machine includes a scraper 3 and two adjustment devices; the two ends of the scraper 3 are respectively provided with supported parts 3, and the supported The bottom of the part 31 is an inclined plane, the top of the supported part 31 is a plane, and the top of the supported part 31 is provided with a pressure spring positioning shallow groove.
如图1和图4所示，每个调节装置都包含支撑块1、斜滑块2、压力弹簧4、压力弹簧固定块5、膜厚调节旋钮6和校正螺栓12；所述支撑块1与所述压力弹簧固定块5采用螺栓固定于平板刮膜机机架上，所述斜滑块2位于支撑块1上，与支撑块1滑动连接；所述斜滑块2与被支持部31的底部相连，所述斜滑块2的斜度与被支持部31顶部的斜度相同；所述被支持部31的顶部与压力弹簧4相连，所述压力弹簧4顶部与压力弹簧固定块5相连，所述压力弹簧固定块5底部设有压力弹簧定位槽8。As shown in Fig. 1 and Fig. 4, each regulating device all comprises support block 1, inclined slide block 2, pressure spring 4, pressure spring fixed
如图1和图5所示，所述支撑块1支撑其他部件，支撑块1与斜滑块2采用导轨和导滑槽间隙配合，配合公差为H7/g6；导轨和导滑槽间隙配合具体为：所述斜滑块2底部设有导滑槽10，所述支撑块1顶部设有导轨9，所述导滑槽10与所述导轨9采用间隙配合。As shown in Figures 1 and 5, the support block 1 supports other components, and the support block 1 and the inclined slider 2 adopt a clearance fit between the guide rail and the guide chute, and the matching tolerance is H7/g6; the clearance fit between the guide rail and the guide chute is specific It is: the bottom of the inclined slider 2 is provided with a
所述支撑块1两端设有侧臂11，所述侧臂11上设有光滑圆孔，所述膜调节旋钮6的调节杆穿过所述圆孔与斜滑块2相连；所述校正螺栓穿过另一所述圆孔与斜滑块相连，所述校正螺栓12保证斜滑块2运动线性以及固定时的稳定性。所述膜厚调节旋钮6设置有总共100格的均匀刻度，最小刻度为1微米，调节精度可精确至1微米；所述斜滑块2两端设置有同轴螺纹孔旋转所述膜厚调节旋钮6，通过调节杆和同轴螺纹孔的配合，同时旋动校正螺栓，移动所述斜滑块2。The two ends of the support block 1 are provided with
所述压力弹簧4的压力经过计算校核，单个弹簧压力为400N，在压力弹簧4、压力弹簧固定块5与斜滑块的共同作用下，使所述刮刀3在刮膜过程保持稳定，不会上下震动。The pressure of the pressure spring 4 is calculated and checked, and the pressure of a single spring is 400N. Under the joint action of the pressure spring 4, the pressure spring fixed
选择最大压力为400N的压力弹簧4，斜滑块2斜度按计算设计为1：10。刮膜前设定刮膜厚度为0.02mm，膜厚调节旋钮6旋动20格，同时旋动校正螺栓，斜滑块2向前移动0.2毫米，因为斜滑块2斜度为1：10，故受到斜滑块2移动的影响，刮刀3被升起0.02mm，在压力弹簧4和斜滑块2上表面的作用下，刮刀3被压紧，并且保证刮膜过程中不会上下移动，从而保证刮膜膜厚为0.02mm。Select the pressure spring 4 with a maximum pressure of 400N, and the inclination of the oblique slider 2 is designed to be 1:10 according to the calculation. Set the scraping film thickness to 0.02mm before scraping the film, turn the film thickness adjustment knob 6 for 20 grids, and turn the correction bolt at the same time, the inclined slider 2 will move forward by 0.2mm, because the inclined slider 2 has a slope of 1:10, Therefore, affected by the movement of the inclined slider 2, the scraper 3 is raised by 0.02mm. Under the action of the pressure spring 4 and the upper surface of the inclined slider 2, the scraper 3 is pressed tightly, and it is ensured that it will not move up and down during the scraping process. In order to ensure that the thickness of the scraping film is 0.02mm.
通过本发明平板刮膜机的膜厚精确调节装置，采用面板带有刻度的单一膜厚调节旋钮来调节刮膜厚度，减小塞尺控制刮膜厚度所产生的误差，使调节方式简便易行，而且本发明平板刮膜机的膜厚精确调节装置造型美观、结构简单，适用于各类型平板刮膜机的优化。Through the precise film thickness adjustment device of the flat film scraping machine of the present invention, a single film thickness adjustment knob with a scale on the panel is used to adjust the thickness of the scraped film, reducing the error caused by the feeler gauge to control the thickness of the scraped film, and making the adjustment method simple and easy , and the precise adjustment device of the film thickness of the flat film scraping machine of the present invention has a beautiful appearance and a simple structure, and is suitable for the optimization of various types of flat film scraping machines.
实施例2Example 2
支撑块1与斜滑块2采用导轨和导滑槽间隙配合，配合公差为H7/g6；导轨和导滑槽间隙配合具体为：所述支撑块1顶部设有导滑槽10，所述斜滑块2底部设有导轨9，所述导滑槽10与所述导轨9采用间隙配合。所述单个压力弹簧4的压力为700N。本实施例中未指明的部分，与实施例1相同。The support block 1 and the inclined slider 2 adopt guide rails and guide chute clearance fits, and the fit tolerance is H7/g6; A guide rail 9 is provided at the bottom of the slider 2, and the
选择最大压力为700N的压力弹簧4，斜滑块2斜度按计算设计为1：10。刮膜前设定刮膜厚度为0.06mm，膜厚调节旋钮6旋动60格，同时旋动校正螺栓，斜滑块2向前移动0.6毫米，因为斜滑块2斜度为1：10，故受到斜滑块2移动的影响，刮刀3被升起0.06mm，在压力弹簧4和斜滑块2上表面的作用下，刮刀3被压紧，并且保证刮膜过程中不会上下移动，从而保证刮膜膜厚为0.06mm。Select the pressure spring 4 with a maximum pressure of 700N, and the inclination of the oblique slider 2 is designed to be 1:10 according to the calculation. Set the thickness of the scraping film to 0.06mm before scraping the film, turn the film thickness adjustment knob 6 for 60 grids, and at the same time turn the correction bolt, the inclined slider 2 will move forward by 0.6mm, because the slope of the inclined slider 2 is 1:10, Therefore, affected by the movement of the inclined slider 2, the scraper 3 is raised by 0.06mm. Under the action of the pressure spring 4 and the upper surface of the inclined slider 2, the scraper 3 is pressed tightly, and it is ensured that it will not move up and down during the scraping process. Therefore, the thickness of the scraping film is guaranteed to be 0.06mm.
以上所述实施例仅表达了本发明的一种实施方式，其描述较为具体和详细，但并不能因此而理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。The above-mentioned embodiment only expresses one implementation mode of the present invention, and its description is relatively specific and detailed, but it should not be understood as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.
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