CN204547505U - A kind of drawing pencil automatic cutting device - Google Patents
A kind of drawing pencil automatic cutting device Download PDFInfo
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- CN204547505U CN204547505U CN201520049501.9U CN201520049501U CN204547505U CN 204547505 U CN204547505 U CN 204547505U CN 201520049501 U CN201520049501 U CN 201520049501U CN 204547505 U CN204547505 U CN 204547505U
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Abstract
本实用新型公开了一种制图铅笔自动切削器。人工切削制图用铅笔,耗费时间,且难以切削成较为规范的形状,进而影响图纸的质量;市场上已有的铅笔切削器不符合工程制图对铅芯形状的要求。本实用新型包括铅笔旋转夹具机构、双刀头切削机构、竖直推送机构、宽度调节机构和外围支架;竖直推送机构驱动宽度调节机构上下移动;宽度调节机构驱动双刀头切削机构的两把成型刀对中运动;铅笔旋转夹具机构可装夹并带动铅笔旋转;两把成型刀对装夹在铅笔旋转夹具机构中的铅笔进行两次切削。本实用新型将铅笔切削成符合工程制图使用的形状。
The utility model discloses an automatic cutter for drawing pencils. Manual cutting of drawing pencils is time-consuming and difficult to cut into a more standardized shape, thereby affecting the quality of drawings; existing pencil cutters on the market do not meet the requirements of engineering drawing for lead shape. The utility model comprises a pencil rotating fixture mechanism, a double cutter head cutting mechanism, a vertical pushing mechanism, a width adjusting mechanism and a peripheral bracket; the vertical pushing mechanism drives the width adjusting mechanism to move up and down; the width adjusting mechanism drives two blades of the double cutter head cutting mechanism. The forming knife moves in the center; the pencil rotating fixture mechanism can clamp and drive the pencil to rotate; two forming knives cut the pencil clamped in the pencil rotating fixture mechanism twice. The utility model cuts the pencil into a shape conforming to engineering drawing.
Description
技术领域 technical field
本实用新型属于学习用品领域,涉及铅笔切削器,具体涉及一种制图铅笔自动切削器。 The utility model belongs to the field of school supplies and relates to a pencil cutter, in particular to an automatic drawing pencil cutter.
背景技术 Background technique
人工切削制图用铅笔,耗费时间,且难以切削成较为规范的形状,不利于画出精确的线条与标准的线宽,进而影响图纸的质量。目前,市场上已有较多的各类铅笔切削器,但它们切削出的圆锥状铅笔均为写字所用,不符合工程制图对铅芯形状的要求。 Manual cutting of drawing pencils is time-consuming and difficult to cut into a more standardized shape, which is not conducive to drawing accurate lines and standard line widths, which in turn affects the quality of drawings. At present, there are many types of pencil cutters on the market, but the conical pencils they cut are used for writing, which do not meet the requirements of engineering drawing for lead shape.
发明内容 Contents of the invention
本实用新型的目的是针对现有技术的不足,提供一种制图铅笔自动切削器,将铅笔切削成符合工程制图使用的形状。 The purpose of the utility model is to provide an automatic cutter for drawing pencils, which can cut pencils into shapes suitable for engineering drawing.
本实用新型包括铅笔旋转夹具机构、双刀头切削机构、竖直推送机构、宽度调节机构和外围支架。 The utility model comprises a pencil rotating fixture mechanism, a double cutter head cutting mechanism, a vertical pushing mechanism, a width adjusting mechanism and a peripheral support.
所述的铅笔旋转夹具机构包括内六角型铅笔夹具、铅笔夹具支架、蜗轮、蜗杆、第一蜗杆支架、第二蜗杆支架和旋转电机;所述的铅笔夹具支架与外围支架固定;内六角型铅笔夹具通过轴承支承在铅笔夹具支架上;所述的蜗轮与内六角型铅笔夹具固定;旋转电机的底座固定在外围支架上,输出轴与蜗杆通过联轴器连接;所述蜗杆的两端分别通过轴承支承在第一蜗杆支架和第二蜗杆支架上,第一蜗杆支架和第二蜗杆支架均固定在外围支架上;蜗杆与蜗轮啮合。 The pencil rotating fixture mechanism includes a hexagonal pencil fixture, a pencil fixture bracket, a worm gear, a worm, a first worm bracket, a second worm bracket and a rotating motor; the pencil fixture bracket is fixed to a peripheral bracket; the inner hexagonal pencil The fixture is supported on the pencil fixture bracket through bearings; the worm gear is fixed to the inner hexagonal pencil fixture; the base of the rotating motor is fixed on the peripheral bracket, and the output shaft and the worm are connected through a coupling; the two ends of the worm are respectively passed The bearing is supported on the first worm support and the second worm support, and both the first worm support and the second worm support are fixed on the peripheral support; the worm meshes with the worm wheel.
所述的双刀头切削机构包括成型刀、成型刀安装支架、电机安装支架、成型刀驱动电机、水平支撑板、水平滑轨、水平滑块和双向丝杆螺母连接支架;两把成型刀对中设置,且均通过轴承支承在成型刀安装支架上;两个成型刀驱动电机的底座均与电机安装支架通过螺栓连接,每个成型刀驱动电机的输出轴与对应的一把成型刀通过带传动机构连接;所述的电机安装支架固定在水平支撑板顶部;两个双向丝杆螺母连接支架对中固定在水平支撑板底部;两块水平滑块均固定在水平支撑板底部,且均与水平滑轨通过滑动副连接。 The double-cutter cutting mechanism includes a forming knife, a forming knife mounting bracket, a motor mounting bracket, a forming knife driving motor, a horizontal support plate, a horizontal slide rail, a horizontal slider and a two-way screw nut connecting bracket; two forming knives are paired and are supported on the forming knife mounting bracket through bearings; the bases of the two forming knife driving motors are connected to the motor mounting bracket by bolts, and the output shaft of each forming knife driving motor is connected to the corresponding forming knife through a belt The transmission mechanism is connected; the motor mounting bracket is fixed on the top of the horizontal support plate; the two-way screw nut connection bracket is centered and fixed on the bottom of the horizontal support plate; the two horizontal sliders are fixed on the bottom of the horizontal support plate, and both The horizontal slide rails are connected by sliding pairs.
所述的宽度调节机构包括双向丝杆驱动电机、调节支架、双向丝杆、第一双向丝杆螺母和第二双向丝杆螺母;所述调节支架的两端均与外围支架通过滑动副连接;双刀头切削机构的水平滑轨固定在调节支架上;所述双向丝杆驱动电机的底座固定在调节支架上,输出轴与双向丝杆通过联轴器连接;所述的双向丝杆通过轴承支承在调节支架上;所述的第一双向丝杆螺母和第二双向丝杆螺母分别固定在双刀头切削机构对应的一个双向丝杆螺母连接支架上,且均与双向丝杆通过螺纹副连接。 The width adjustment mechanism includes a two-way screw drive motor, an adjustment bracket, a two-way screw, a first two-way screw nut and a second two-way screw nut; both ends of the adjustment bracket are connected to the peripheral bracket through a sliding pair; The horizontal slide rail of the double-cutter cutting mechanism is fixed on the adjustment bracket; the base of the two-way screw drive motor is fixed on the adjustment bracket, and the output shaft is connected to the two-way screw through a coupling; the two-way screw is passed through the bearing Supported on the adjustment bracket; the first two-way screw nut and the second two-way screw nut are respectively fixed on a two-way screw nut connecting bracket corresponding to the double-cutter cutting mechanism, and both are connected with the two-way screw through a thread pair connect.
所述的竖直推送机构包括竖直平台支架、上支座、滚珠丝杆螺母、螺母连接板、滚珠丝杆、下支座、推送电机支架和推送电机;所述的竖直平台支架和推送电机支架均固定在外围支架上;所述的上支座和下支座均固定在竖直平台支架上;滚珠丝杆的两端分别通过轴承支承在上支座和下支座上;所述的滚珠丝杆螺母与滚珠丝杆通过螺纹副连接;所述螺母连接板的一端与滚珠丝杆螺母固定,另一端与宽度调节机构的调节支架固定;所述推送电机的底座固定在推送电机支架上,输出轴与滚珠丝杆通过带传动机构连接。 The described vertical pushing mechanism comprises a vertical platform support, an upper support, a ball screw nut, a nut connecting plate, a ball screw, a lower support, a push motor support and a push motor; the vertical platform support and push The motor brackets are all fixed on the peripheral brackets; the upper support and the lower support are fixed on the vertical platform support; the two ends of the ball screw are respectively supported on the upper support and the lower support through bearings; The ball screw nut and the ball screw are connected through a thread pair; one end of the nut connecting plate is fixed with the ball screw nut, and the other end is fixed with the adjustment bracket of the width adjustment mechanism; the base of the push motor is fixed on the push motor bracket On the top, the output shaft is connected with the ball screw through a belt transmission mechanism.
所述调节支架的两端对称固定有两块竖直滑块,两块竖直滑块均与固定在外围支架上的竖直滑轨通过滑动副连接。 Two vertical sliders are symmetrically fixed at both ends of the adjustment bracket, and the two vertical sliders are connected with the vertical slide rails fixed on the peripheral bracket through sliding pairs.
本实用新型的有益效果是: The beneficial effects of the utility model are:
1、本实用新型能够将铅笔切削成符合工程制图使用的形状,解放了制图过程中的铅笔切削劳作,且有利于提高制图的质量; 1. The utility model can cut the pencil into a shape suitable for engineering drawing, which liberates the labor of pencil cutting in the drawing process and is beneficial to improve the quality of drawing;
2、本实用新型的笔芯加工宽度可根据用户需要自行设定,满足各种线宽需求,实用性强; 2. The processing width of the pen core of the utility model can be set according to the user's needs, which can meet various line width requirements and has strong practicability;
3、本实用新型中双刀头切削机构采用两把成型刀,切削高效。 3. The double cutter head cutting mechanism of the utility model adopts two forming knives, so the cutting is efficient.
附图说明 Description of drawings
图1为本实用新型的一个侧视立体图; Fig. 1 is a side perspective view of the utility model;
图2为本实用新型的另一个侧视立体图; Fig. 2 is another side perspective view of the utility model;
图3为本实用新型中双刀头切削机构的整体结构立体图; Fig. 3 is the perspective view of the overall structure of the double cutter head cutting mechanism in the utility model;
图4为本实用新型中宽度调节机构的整体结构立体图; Fig. 4 is a three-dimensional view of the overall structure of the width adjustment mechanism in the utility model;
图5为本实用新型中竖直推送机构的结构立体图; Fig. 5 is a structural perspective view of the vertical pushing mechanism in the utility model;
图6为本实用新型的铅笔旋转夹具机构刚夹紧铅笔时两把成型刀与铅笔的相对位置示意图。 Fig. 6 is a schematic diagram of the relative positions of the two forming knives and the pencil when the pencil rotating fixture mechanism of the utility model just clamps the pencil.
具体实施方式 Detailed ways
下面结合附图及实施例对本实用新型作进一步说明。 Below in conjunction with accompanying drawing and embodiment the utility model is further described.
如图1所示,一种制图铅笔自动切削器,包括铅笔旋转夹具机构1、双刀头切削机构2、竖直推送机构3、宽度调节机构4和外围支架。 As shown in FIG. 1 , an automatic drawing pencil cutter includes a pencil rotating fixture mechanism 1 , a double cutter head cutting mechanism 2 , a vertical pushing mechanism 3 , a width adjusting mechanism 4 and a peripheral support.
如图2所示,铅笔旋转夹具机构1包括内六角型铅笔夹具1-1、铅笔夹具支架1-2、蜗轮1-3、蜗杆1-4、第一蜗杆支架1-5、第二蜗杆支架1-6和旋转电机1-7;铅笔夹具支架1-2与外围支架固定;内六角型铅笔夹具1-1通过轴承支承在铅笔夹具支架1-2上;蜗轮1-3与内六角型铅笔夹具1-1固定;旋转电机1-7的底座固定在外围支架上,输出轴与蜗杆1-4通过联轴器连接;蜗杆1-4的两端分别通过轴承支承在第一蜗杆支架1-5和第二蜗杆支架1-6上,第一蜗杆支架1-5和第二蜗杆支架1-6均固定在外围支架上;蜗杆1-4与蜗轮1-3啮合。 As shown in Figure 2, the pencil rotating fixture mechanism 1 includes a hexagonal pencil fixture 1-1, a pencil fixture support 1-2, a worm wheel 1-3, a worm screw 1-4, a first worm support 1-5, and a second worm support 1-6 and rotating motor 1-7; the pencil fixture support 1-2 is fixed with the peripheral support; the inner hexagonal pencil fixture 1-1 is supported on the pencil fixture support 1-2 through bearings; the worm gear 1-3 and the inner hexagonal pencil The fixture 1-1 is fixed; the base of the rotating motor 1-7 is fixed on the peripheral support, and the output shaft and the worm 1-4 are connected through a coupling; the two ends of the worm 1-4 are respectively supported on the first worm support 1- 5 and the second worm support 1-6, the first worm support 1-5 and the second worm support 1-6 are all fixed on the peripheral support; the worm 1-4 meshes with the worm wheel 1-3.
如图2和3所示,双刀头切削机构2包括成型刀2-1、成型刀安装支架2-2、电机安装支架2-3、成型刀驱动电机2-4、水平支撑板2-5、水平滑轨2-6、水平滑块2-7和双向丝杆螺母连接支架2-8;两把成型刀2-1对中设置,且均通过轴承支承在成型刀安装支架2-2上;两个成型刀驱动电机2-4的底座均与电机安装支架2-3通过螺栓连接,每个成型刀驱动电机2-4的输出轴与对应的一把成型刀2-1通过带传动机构连接;电机安装支架2-3固定在水平支撑板2-5顶部;两个双向丝杆螺母连接支架2-8对中固定在水平支撑板2-5底部;两块水平滑块2-7均固定在水平支撑板2-5底部,且均与水平滑轨2-6通过滑动副连接。 As shown in Figures 2 and 3, the double cutter head cutting mechanism 2 includes a forming knife 2-1, a forming knife mounting bracket 2-2, a motor mounting bracket 2-3, a forming knife driving motor 2-4, and a horizontal support plate 2-5 , horizontal slide rail 2-6, horizontal slide block 2-7 and two-way screw nut connection bracket 2-8; two forming knives 2-1 are centered, and are all supported on the forming knife mounting bracket 2-2 by bearings The bases of the two forming knife driving motors 2-4 are connected with the motor mounting bracket 2-3 by bolts, and the output shaft of each forming knife driving motor 2-4 is connected to a corresponding forming knife 2-1 through a belt transmission mechanism connection; the motor mounting bracket 2-3 is fixed on the top of the horizontal support plate 2-5; the two-way screw nut connection bracket 2-8 is centered and fixed on the bottom of the horizontal support plate 2-5; It is fixed on the bottom of the horizontal support plate 2-5, and is connected with the horizontal slide rail 2-6 through a sliding pair.
如图2和4所示,宽度调节机构4包括双向丝杆驱动电机4-1、调节支架4-2、双向丝杆4-3、第一双向丝杆螺母4-4和第二双向丝杆螺母4-5;双刀头切削机构的水平滑轨2-6固定在调节支架4-2上;双向丝杆驱动电机4-1的底座固定在调节支架4-2上,输出轴与双向丝杆4-3通过联轴器连接;双向丝杆4-3通过轴承支承在调节支架4-2上;第一双向丝杆螺母4-4和第二双向丝杆螺母4-5分别固定在双刀头切削机构2对应的一个双向丝杆螺母连接支架2-8上,且均与双向丝杆4-3通过螺纹副连接。 As shown in Figures 2 and 4, the width adjustment mechanism 4 includes a two-way screw drive motor 4-1, an adjustment bracket 4-2, a two-way screw 4-3, a first two-way screw nut 4-4 and a second two-way screw Nut 4-5; The horizontal slide rail 2-6 of double cutter head cutting mechanism is fixed on the adjustment support 4-2; The rod 4-3 is connected by a shaft coupling; the two-way screw rod 4-3 is supported on the adjustment bracket 4-2 by a bearing; the first two-way screw nut 4-4 and the second two-way screw nut 4-5 are respectively fixed on the double A two-way screw nut corresponding to the cutter head cutting mechanism 2 is connected to the support 2-8, and is connected with the two-way screw 4-3 through a thread pair.
如图2和5所示,竖直推送机构3包括竖直平台支架3-1、上支座3-2、滚珠丝杆螺母3-3、螺母连接板3-4、滚珠丝杆3-5、下支座3-6、推送电机支架3-7、推送电机3-8、竖直滑轨3-9和竖直滑块3-10;竖直平台支架3-1和推送电机支架3-7均固定在外围支架上;上支座3-2和下支座3-6均固定在竖直平台支架3-1上;滚珠丝杆3-5的两端分别通过轴承支承在上支座3-2和下支座3-6上;滚珠丝杆螺母3-3与滚珠丝杆3-5通过螺纹副连接;螺母连接板3-4的一端与滚珠丝杆螺母3-3固定,另一端与宽度调节机构的调节支架4-2固定;推送电机3-8的底座固定在推送电机支架3-7上,输出轴与滚珠丝杆3-5通过带传动机构连接;两块竖直滑块3-10对称固定在宽度调节机构的调节支架4-2两端,且均与固定在外围支架上的竖直滑轨3-9通过滑动副连接。 As shown in Figures 2 and 5, the vertical pushing mechanism 3 includes a vertical platform support 3-1, an upper support 3-2, a ball screw nut 3-3, a nut connecting plate 3-4, and a ball screw 3-5 , lower support 3-6, push motor support 3-7, push motor 3-8, vertical slide rail 3-9 and vertical slider 3-10; vertical platform support 3-1 and push motor support 3- 7 are all fixed on the peripheral support; the upper support 3-2 and the lower support 3-6 are all fixed on the vertical platform support 3-1; the two ends of the ball screw 3-5 are respectively supported on the upper support by bearings 3-2 and the lower support 3-6; the ball screw nut 3-3 is connected with the ball screw 3-5 through a thread pair; one end of the nut connecting plate 3-4 is fixed with the ball screw nut 3-3, and the other One end is fixed with the adjustment bracket 4-2 of the width adjustment mechanism; the base of the push motor 3-8 is fixed on the push motor support 3-7, and the output shaft is connected with the ball screw 3-5 through a belt transmission mechanism; two vertical slides Block 3-10 is symmetrically fixed on the adjustment support 4-2 two ends of width adjustment mechanism, and all is connected with the vertical slide rail 3-9 that is fixed on the peripheral support by sliding pair.
该制图铅笔自动切削器的工作原理: How this drawing pencil auto cutter works:
第一步,启动两个成型刀驱动电机2-4,带动两把成型刀2-1转动,之后将铅笔插入内六角型铅笔夹具1-1中夹紧,铅笔的头部位于两把成型刀2-1之间,如图6所示;然后双向丝杆驱动电机4-1运转,双向丝杆4-3带动第一双向丝杆螺母4-4和第二双向丝杆螺母4-5相向并对中滑动,从而将两把成型刀2-1的距离d调节为与笔芯宽度相等。 The first step is to start the two forming knife driving motors 2-4 to drive the two forming knives 2-1 to rotate, and then insert the pencil into the inner hexagonal pencil holder 1-1 for clamping. The head of the pencil is located between the two forming knives 2-1, as shown in Figure 6; then the two-way screw drive motor 4-1 runs, and the two-way screw 4-3 drives the first two-way screw nut 4-4 and the second two-way screw nut 4-5 to face each other And slide in the center, thereby the distance d of two forming knives 2-1 is adjusted to be equal to the width of the pen core.
第二步,推送电机3-8启动,带动滚珠丝杆3-5转动,滚珠丝杆螺母3-3和螺母连接板3-4一起沿滚珠丝杆3-5向下移动,直到走完滚珠丝杆螺母3-3的行程,此时,第一次切削完成;然后,成型刀2-1回到初始位置。 In the second step, the push motor 3-8 is started, which drives the ball screw 3-5 to rotate, and the ball screw nut 3-3 and the nut connecting plate 3-4 move down along the ball screw 3-5 until the ball screw is finished. The stroke of screw nut 3-3, at this moment, first cutting is finished; Then, forming knife 2-1 gets back to initial position.
第三步,旋转电机1-7启动,蜗杆1-4带动蜗轮1-3转动,直到铅笔随蜗轮旋转90°,旋转电机1-7停止。 In the third step, the rotating motor 1-7 starts, and the worm 1-4 drives the worm gear 1-3 to rotate until the pencil rotates 90° with the worm gear, and the rotating motor 1-7 stops.
第四步,双向丝杆驱动电机4-1运转,将两把成型刀2-1的距离d调节到所需的笔芯宽度。 In the fourth step, the two-way screw drive motor 4-1 runs, and the distance d between the two forming knives 2-1 is adjusted to the required width of the pen core.
第五步,推送电机3-8启动,带动滚珠丝杆螺母3-3转动,滚珠丝杆螺母3-3和螺母连接板3-4一起沿滚珠丝杆3-5向下移动,直到走完滚珠丝杆螺母3-3的行程,此时,第二次切削完成。至此,切削完成,成型刀2-1再次回到初始位置,可取出铅笔使用。 In the fifth step, the push motor 3-8 starts to drive the ball screw nut 3-3 to rotate, and the ball screw nut 3-3 and the nut connecting plate 3-4 move down along the ball screw 3-5 until the end The stroke of the ball screw nut 3-3, at this moment, the second cutting is completed. So far, the cutting is completed, and the forming knife 2-1 returns to the initial position again, and the pencil can be taken out for use.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107351579A (en) * | 2017-07-13 | 2017-11-17 | 李大德 | Apply the semi-automatic penknife of answering card pencil |
CN107927974A (en) * | 2017-12-20 | 2018-04-20 | 温州职业技术学院 | A kind of garment material cutting chalker |
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2015
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107351579A (en) * | 2017-07-13 | 2017-11-17 | 李大德 | Apply the semi-automatic penknife of answering card pencil |
CN107351579B (en) * | 2017-07-13 | 2019-02-26 | 竺林坤 | Apply the semi-automatic penknife of answering card pencil |
CN107927974A (en) * | 2017-12-20 | 2018-04-20 | 温州职业技术学院 | A kind of garment material cutting chalker |
CN107927974B (en) * | 2017-12-20 | 2019-03-26 | 温州职业技术学院 | Lineation device is used in a kind of cutting of garment material |
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