WO2023060958A1 - 一种药包空包检测装置 - Google Patents
一种药包空包检测装置 Download PDFInfo
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- WO2023060958A1 WO2023060958A1 PCT/CN2022/105301 CN2022105301W WO2023060958A1 WO 2023060958 A1 WO2023060958 A1 WO 2023060958A1 CN 2022105301 W CN2022105301 W CN 2022105301W WO 2023060958 A1 WO2023060958 A1 WO 2023060958A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
- B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
Definitions
- the invention relates to the field of package detection, in particular to a device for detecting an empty drug package.
- a flexible packaging vacuum detection device including a vacuum chamber, a chamber cover, a drive assembly, a sealing joint, a vacuum source, a mounting seat, a sliding block, a card slot, a pressure sensor, a push rod, and a clamping block , placement space, reset component, the reset component is used to drive the two clamping blocks to be relatively close, and the drive component drives the cover to turn over, so that the soft package product is placed on the top of the mounting seat, close the cover, and vacuum the interior of the vacuum chamber through the vacuum source Vacuum, when the air inside the flexible packaging product expands in the vacuum environment, the flexible packaging product expands, and then drives the two clamping blocks to move away from each other,
- the document CN104443580A discloses an empty package detection device.
- a fixed bracket is arranged at the corresponding position of the packaging machine.
- a transmission shaft is installed on the fixed bracket.
- Two cams are symmetrically installed on the transmission shaft.
- a driven auxiliary wheel in the rotation space of the motor and the cam, and a detection auxiliary bracket is arranged between the two cams adjacent to the transmission shaft, and two guide rods are symmetrically arranged between the detection auxiliary bracket and the fixed bracket perpendicular to the detection auxiliary bracket , the guide rod is vertically fitted with an induction bracket, a space for accommodating the material bag is formed between the induction bracket and the detection auxiliary bracket, and a return spring is arranged between the induction bracket and the fixed bracket on the guide rod; a sensor bracket is provided on the induction bracket, and the detection A sensor fixing frame is arranged on the auxiliary bracket, and a sensor is arranged on the sensor fixing frame.
- the present invention provides a device for detecting an empty drug package.
- a drug package empty package detection device which is characterized in that it includes a fixed frame, a curved surface pressing block, a packaging support plate, a sensor, and a compression spring, and the support plate is fixedly arranged On the fixed frame, the curved surface pressing block is rotatably arranged on the fixed frame, and a protrusion is arranged on the curved surface pressing block at a preset distance from the rotating shaft of the curved surface pressing block, and the protrusion is directed toward the One side of the support plate protrudes, the compression spring is arranged on the side of the curved surface pressing block close to the protrusion, and one end of the compression spring is connected to the fixing bracket, and the other end is connected to the curved surface pressing block connected to the side away from the support plate;
- the curved slider can be switched between a first position and a second position: in the first position, the protrusion is close to the support plate; in the second position, the protrusion is away from the support plate;
- the sensor outputs different signals when the curved slider is in the first position and when the curved slider is in the second position.
- the device for detecting an empty drug package further includes a baffle, a fixed end of the baffle is fixedly connected to an end of the curved slider close to the protrusion; the curved slider is at the first position When the baffle is at the second position, the protruding end of the baffle is far away from the sensor; when the curved slider is at the second position, the protruding end of the baffle is close to the sensor.
- the fixing frame includes a sensor fixing plate, a bottom fixing plate, a side fixing plate, and a spring connecting plate, the sensor fixing plate and the bottom fixing plate are respectively arranged on the top and bottom of the side fixing plate, and the sensor
- the fixed plate and the bottom fixed plate are all arranged in the horizontal direction, and the sensor fixed plate, the bottom fixed plate, and the spring connecting plate all protrude from the side of the side fixed plate to the side of the support plate, and the spring connecting plate is set Between the sensor fixing plate and the curved surface slider; the sensor is arranged on the sensor fixing plate, one end of the compression spring is connected to the spring connecting plate, and the other end is far away from the curved surface pressing block One side of the support plate is connected.
- a groove matching the shape of the compression spring is provided on the spring connection plate, and the compression spring extends into the groove to connect with the spring connection plate.
- the curved slider is rotatably connected to the side fixing plate, and a washer is arranged between the curved slider and the side fixing plate.
- gasket is a self-lubricating gasket.
- the curved slider is provided with a marking wheel, and when the curved slider is in the first state, the marking wheel is closer to the support plate relative to the raised edge; the curved slider is in In the second state, the marking wheel is further away from the supporting plate relative to the raised edge.
- the curved surface slider is cylindrical, and the curved surface slider is provided with a rotating shaft hole penetrating both ends, the rotating shaft hole is rotatably connected to the rotating shaft, and the rotating shaft passes through the rotating shaft hole and the fixing frame connection;
- the cross-sectional profile of the protrusion is arc-shaped, and a preset distance is set between the center of the arc and the center of the shaft hole on the plane where the support plate is located, and a preset distance is set between the protrusion along the
- the cylindrical side of the curved slider is evenly raised; the marking wheel is arranged on the side of the protrusion away from the shaft hole, and part of the marking wheel protrudes from the protrusion.
- the curved surface slider is provided with a marking installation groove, and the marking wheel is arranged inside the installation groove; the marking wheel is also connected to an ink tank, and the ink tank is provided with an ink filling hole.
- the two marking wheels are symmetrically arranged at positions close to both ends of the curved slider.
- the curved surface compacts are placed in different positions through the different thickness of the drug pack, and the position of the curved surface compact is measured by the sensor to generate a corresponding signal, and then detect whether it is empty. It can be retrofitted on the existing production line, and the implementation cost is low; no additional Provides power, is easy to use, and the empty packet detection result is less disturbed by other factors, and the detection effect is good.
- Fig. 1 is a schematic diagram of the overall structure of an embodiment of a device for detecting an empty drug package.
- Fig. 2 is a side view in a state of Fig. 1 .
- Fig. 3 is a side view of another state of Fig. 1 .
- FIG. 4 is an enlarged view of part A of FIG. 3 .
- Fig. 5 is a side view of another state of Fig. 1 .
- FIG. 6 is an enlarged view of part B of FIG. 5 .
- Fig. 7 is a schematic structural view of a curved pressure wheel of an embodiment of a device for detecting an empty drug package.
- FIG. 8 is a side view of the curved pressure roller of FIG. 7 .
- Fig. 9 is a schematic diagram showing the partial dimensions of the curved surface pressure wheel of an embodiment of a device for detecting an empty drug package.
- FIG. 10 is a schematic diagram of partial dimensions of the curved pressure roller shown in FIG. 9 .
- a device for detecting an empty drug package includes a fixed frame 1, a curved surface pressing block 2, a packaging support plate 3, a sensor 5, and a compression spring 6, and the support plate 3 is fixedly arranged on the
- the fixed frame 1 the curved surface pressing block 2 is rotatably arranged on the fixed frame 1
- a protrusion 201 is arranged on the curved surface pressing block 2 at a preset distance from the rotating shaft of the curved surface pressing block 2, and the protrusion 201
- the protrusion 201 protrudes toward the side of the support plate 3
- the compression spring 6 is arranged on the side of the curved surface pressing block 2 close to the protrusion 201, and one end of the compression spring 6 is connected to the fixed frame 1 connected, and the other end is connected to the side of the curved surface pressing block 2 away from the support plate 3;
- the curved slider 2 can be switched between a first position and a second position: the first position, as shown in FIG. 3, the protrusion 201 is close to the support plate 3; the second position, as shown in FIG. 5, the protrusion 201 is far away from the support plate 3; the output of the sensor 5 is different when the curved slider 2 is in the first position and when the curved slider 2 is in the second position Signal.
- the principle of the present invention is: when in use, the drug pack moves between the support plate 3 and the curved pressing block 2 . Under the action of the compression spring 6, the protrusion 201 of the curved pressing block 2 pushes out to one side of the support plate 3, so that the two sides of the drug pack are respectively pressed by the support plate 3 and the protrusion 201.
- the medicine package contains medicine
- the medicine package is thicker, and the medicine package pushes out the protrusion 201 to the side away from the support plate 3, and the curved pressing block 2 rotates along the rotating shaft to reach the second position, and the sensor 5 outputs a corresponding signal at this moment.
- the drug pack continues to move. When the drug pack is empty, the thickness of the drug pack is small.
- the protrusion 201 is close to the support plate 3, and the curved surface pressing block 2 rotates along the rotating shaft to reach the first position.
- the sensor 5 outputs a corresponding signal. According to the signal output by the sensor 5, determine the state of the curved surface pressing block 2, and then determine whether the drug package is empty.
- the invention can be installed and improved on the existing production line without rebuilding the production line, and the implementation cost is low; the empty package detection is only related to whether the drug package is empty, without interference from other factors, the detection effect is good, and no additional drive is required powerful and easy to use.
- a sensor is set at one end of the curved surface slider 201 to monitor the position of one end of the protrusion 201 of the curved surface slider 2; or an angle sensor is set on the rotating shaft of the curved surface slider 2 to monitor the angle of the curved surface slider 2 to obtain a curved surface
- the position state of the slider 2; or a rocker mechanism is further provided on the curved slider 2 to further amplify the position change of the curved slider 2, and measure the amplified position change.
- the position of the curved slider 2 is detected by further setting a rocker mechanism on the curved slider 2 .
- the type of the sensor 5 can be selected according to needs, such as a force-sensitive sensor, a position sensor, a radiation sensor, a magnetic sensor and the like.
- the sensor 5 is a groove-type photoelectric switch sensor, and when it detects that there is a corresponding object in the groove 501 and there is no corresponding object, the sensor 5 outputs a corresponding signal.
- the baffle 4 is made of metal, and in the second state, the baffle 4 is at least partially located in the detection slot 501 .
- the device for detecting an empty drug package also includes a baffle 4, and the fixed end of the baffle 4 is fixedly connected to one end of the curved slider 2 close to the protrusion 201; as shown in Figure 3
- the protruding end of the baffle 4 is away from the sensor 5; as shown in Figure 5, when the curved slider 2 is in the second position , the protruding end of the baffle plate 4 is close to the sensor 5 .
- the position of the baffle plate 4 is far away from the sensor 5, and the corresponding signal of the output first position of the sensor 5; when the curved surface slider 2 is in the first position In the second position, the baffle 4 is close to the sensor 5 , and in this embodiment, the baffle 4 in the second position is in the detection slot 501 of the sensor 5 .
- a baffle connecting hole 207 is provided on the side of the curved surface slider 2 close to the protrusion 201, and the connecting bolt 8 passes through the baffle 4 and is connected to the baffle connecting hole 207,
- the baffle plate 4 is fixedly connected with the curved slider 2 .
- the baffle plate 4 and the curved slider 2 can also be fixedly connected by means of welding or integral molding.
- the fixing frame 1 can be configured in a form capable of being installed on corresponding equipment as required.
- the fixed frame 1 includes a sensor fixed plate 101, a bottom fixed plate 102, a side fixed plate 103, and a spring connecting plate 104, and the sensor fixed plate 101 and the bottom fixed plate 102 are respectively arranged on the side fixed plates 103 top, bottom, described sensor fixed plate 101, bottom fixed plate 102 are all arranged along the horizontal direction, and described sensor fixed plate 101, bottom fixed plate 102, spring connecting plate 104 all face from the side of described side fixed plate 103
- One side of the support plate 3 protrudes, and the spring connecting plate 104 is arranged between the sensor fixing plate 101 and the curved slider 2;
- the sensor 5 is arranged on the sensor fixing plate 101, and the compression
- One end of the spring 6 is connected to the spring connecting plate 104 , and the other end is connected to the side of the curved pressing block 2 away from the support plate 3 .
- a spring guide post 205 can be arranged on the curved surface slider 2 , and the compression spring 6 is sleeved on the outside of the spring guide post 5 to further fix the position of the compression spring 6 .
- the position of the compression spring 6 can be further fixed by means of a spring receiving groove or the like.
- the spring connecting plate 104 is provided with a groove matching the shape of the compression spring 6 , and the compression spring 6 protrudes into the groove to connect with the spring connecting plate 104 .
- the curved slider 2 is rotatably connected to the side fixing plate 103, and a washer 9 is arranged between the curved slider 2 and the side fixing plate 103, so that the curved slider 2 is in the first
- the resistance encountered during the switching process between the state and the second state is smaller, and the switching can be performed quickly.
- the gasket 9 is a self-lubricating gasket.
- the curved surface slider 2 is provided with a marking wheel 202, as shown in Figure 4, when the curved surface slider 2 is in the first state, the marking wheel 202 is closer to the edge of the protrusion 201 When the support plate 3 and the curved slider 2 are in the second state, as shown in FIG. 6 , the marking wheel 202 is farther away from the support plate 3 than the edge of the protrusion 201 .
- the curved slider 2 is cylindrical, and the curved slider 2 is provided with a shaft hole 206 penetrating both ends, and the shaft hole 206 is rotationally connected with the shaft 7,
- the rotating shaft 7 passes through the rotating shaft hole 206 and is connected to the fixed frame 1;
- the cross-sectional profile of the protrusion 201 is arc-shaped, and the center of the arc and the center of the rotating shaft hole 206 are in the support
- the part of the marking wheel 202 protrudes from the protrusion 201 .
- the mode of operation of the above-mentioned marking wheel 202 will be described.
- the protrusion 201 is lifted up to further rotate the curved slider 2 along the rotating shaft 7 .
- the protrusion 201 is pushed toward the support plate 3 by the compression spring 6, further making the curved slider 2 Rotate along the shaft 7.
- the distance between the edge of the protrusion 201 near the side of the support plate 3 and the rotating shaft 7 is smaller than the The distance between the edge of the marking wheel 202 and the shaft 7, therefore, when the curved slider 2 rotates at the same angle, the distance between the marking wheel 202 in the direction perpendicular to the plane where the support plate 3 is located The moving distance is greater than the moving distance of the edge of the protrusion 201 close to the side of the support plate 3 .
- the marking wheel 202 By setting the position and protrusion height of the marking wheel 202 on the curved surface slider 2, as shown in Figure 3 and Figure 4, when the curved surface slider 2 is in the first state, the marking wheel 202 Relative to the protrusion 201, it is closer to the support plate 3; when the curved surface slider 2 is in the second state, as shown in Fig. 5 and Fig. 6, the marking wheel 202 is closer to the protrusion 201. away from the support plate 3 and switch between the first state and the second state through the rotation of the curved slider 2 . At this time, as shown in Figure 4, in the first state, since the marking wheel 202 is closer to the support plate 3, the two sides of the drug pack are respectively connected to the support plate 3 and the marking wheel 202.
- the marking wheel 202 marks on the drug pack, and completes the marking of the empty pack, which is convenient for further distinguishing the empty pack later; as shown in Figure 6, in the second state, since the protrusion 201 Close to the support plate 3 , so the two sides of the drug package are respectively in contact with the support plate 3 and the protrusion 201 , and the drug package normally passes through the position of the curved slider 2 .
- the curved slider 2 is provided with a marking installation groove 204, and the marking wheel 202 is arranged inside the installation groove 204; the marking wheel 202 is also connected with an ink
- the ink tank is provided with an ink filling hole 203 on the ink tank.
- the disassembly and assembly of the marking wheel 202 and corresponding components is facilitated by setting the marking installation groove 204; the service life of the marking wheel 202 is improved by setting the ink tank; and the ink filling operation is facilitated by setting the ink filling hole 203.
- a pipeline can be further connected to the ink filling hole 203, and the ink filling operation can be directly performed into the ink tank through the pipeline, which is further convenient to use.
- two marking wheels 2 and two marking installation grooves 204 are provided respectively, and the two marking installation grooves are symmetrically arranged at positions close to both ends of the curved slider 2 , the two marking wheels 2 are respectively arranged in the two marking installation grooves 204 .
- the protrusion 201 remains continuous at the middle part of the curved slider 2, so that the curved slider 2 can be effectively Respond to the thickness of the drug pack; by setting the marking wheel 202 at a position close to both sides, it is convenient to mark when the empty pack is used, and at the same time avoid continuous drug packs changing from empty packs to non-empty packs.
- the front side of the machine is marked, which improves the marking accuracy.
- the protruding size of the marking wheel 202 can be further adjusted to match the thickness variation of the drug pack.
- the marking wheel 202 is closer to the support plate 3 relative to the protrusion 201, but still maintains a preset distance from the support plate 3; when the curved surface slider 2 is in the second position, the marking wheel 202 It is also closer to the support plate 3 than the protrusion 201 .
- the curved surface slider 2 with the size shown in Figure 9 and Figure 10 is used, wherein the protrusion height of the protrusion 201 is preferably 6 mm, and the marking wheel 202 is not provided.
- the detection groove 501 of the sensor 5 groove type photoelectric switch has a depth of 10mm, the wire diameter of the compression spring is 0.5mm, the length is 30mm, and the outer diameter is 8mm.
- the pressure of the compression spring on the curved surface slider 2 is set to a medium size.
- Empty package detection is carried out for the drug packages with a package thickness of 0.5mm-0.8mm and a non-empty package thickness of 1.5mm-2.0mm, and the baffle plate 4 is all located outside the detection slot 501 when the package is empty, and partly located when the package is not empty.
- the above-mentioned device is used for empty package detection.
- the weight of each batch of empty packages after packaging is 0.06kg. Compared with the 1.67kg of each batch of empty packages after the completion of packaging without a detection device, the weight of empty packages is significantly reduced. , improve the detection efficiency of empty packages, ensure product quality, and the effect is remarkable.
Abstract
一种药包空包检测装置，包括固定架（1）、曲面压块（2）、包装支撑板（3）、传感器（5）、压缩弹簧（6），支撑板固定设置于固定架，曲面压块转动设置于固定架，在曲面压块上距离曲面压块的转轴（7）间隔预设距离设置有凸起（201），凸起向支撑板一侧凸起，压缩弹簧设置于曲面压块的靠近凸起一侧，且压缩弹簧的一端与固定架连接，另一端与曲面压块的远离支撑板一侧连接；曲面滑块能够在第一位置与第二位置间切换：在第一位置，凸起贴近支撑板；在第二位置，凸起远离支撑板；传感器在曲面滑块处于第一位置与第二位置时输出不同信号以检测是否空包。该装置能在现有生产线上加装，实施成本低，且无需额外提供动力，易于使用，空包检测结果受其他因素干扰小，检测效果好。
Description
本发明涉及包装检测领域，具体涉及一种药包空包检测装置。
空包是指药包中既无内包纸又无药粉，或者是有内包纸但无药粉的情况，属于不合格产品，在袋装药品的生产包装过程中，时常出现空包的问题。为了减少空包，文献CN112484910A公开了一种软包装真空检测装置，包括真空仓、仓盖、驱动组件、密封接头、真空源、安装座、滑动块、卡槽、压力传感器、顶杆、夹持块、放置空间、复位组件，复位组件用于驱动两个夹持块相对靠近，通过驱动组件驱动仓盖翻转，使软包装产品放置在安装座顶部，关闭仓盖，通过真空源对真空仓内部进行抽真空，当软包装产品内部留存空气进而在真空环境中产生膨胀时，软包装产品膨胀，进而驱动两个夹持块相对远离，使顶杆抵顶压力传感器，由压力传感器产生压力数据，并将压力数据反馈至外部计算机设备中，由外部计算机设备进行分析，从而检测软包装产品内部的真空度，相对现有技术，提高了检测精度。但是，上述技术方案需要设置真空仓，实施成本较高，实施复杂。
为了降低实施成本，文献CN104443580A公开了一种空包检测装置，在包装机的相应位置设有固定支架，固定支架上安装有传动轴，传动轴上对称安装有两只凸轮，凸轮通过减速机连接到电机，凸轮的回转空间内相应设有从动辅助轮，两只凸轮之间紧邻传动轴设有检测辅助支架，检测辅助支架和固定支架之间垂直于检测辅助支架对称设有两根导向杆，导向杆上与其垂直套装有感应支架，感应支架与检测辅助支架之间形成容纳物料袋的空间，导向杆上感应支架与固定支架之间设有回复弹簧；感应支架上设有传感器支架，检测辅助支架上设有传感器固定架，传感器固定架上设有传感器，该技术方案不会对物料袋产生物理破坏，结构可靠性高。但是，该技术方案需要使药包的输送装置与空包检测装置之间存在传动连接，二者的运动相互影响，容易因二者的运动和药包的移动不同步等原因印象检测结果，同时需要将腰包输送装置与空包检测装置传动连接，实施方式复杂。
发明内容
针对现有技术存在的实施成本高、实施复杂的问题，本发明提供了一种药包空包检测装置。
为了实现上述目的，本发明所采用的技术方案如下：一种药包空包检测装置，其特征在于，包括固定架、曲面压块、包装支撑板、传感器、压缩弹簧，所述支撑板固定设置于所述固定架，所述曲面压块转动设置于所述固定架，在所述曲面压块上距离所述曲面压块的转轴间隔预设距离设置有凸起，所述凸起向所述支撑板一侧凸起，所述压缩弹簧设置于所述曲面压块的靠近所述凸起一侧，且所述压缩弹簧的一端与所述固定架连接，另一端与所述曲面压块的远离所述支撑板一侧连接；
所述曲面滑块能够在第一位置与第二位置间切换：所述第一位置，所述凸起贴近所述支撑板；所述第二位置，所述凸起远离所述支撑板；
所述曲面滑块处于所述第一位置时与所述曲面滑块处于所述第二位置时所述传感器输出不同的信号。
优选地，所述药包空包检测装置还包括挡板，所述挡板的固定端固定连接于所述曲面滑块的靠近所述凸起一端；所述曲面滑块处于所述第一位置时，所述挡板的伸出端远离所述传感器；所述曲面滑块处于所述第二位置时，所述挡板的伸出端贴近所述传感器。
更进一步地，所述固定架包括传感器固定板、底部固定板、侧固定板、弹簧连接板，所述传感器固定板、底部固定板分别设置于所述侧固定板的顶部、底部，所述传感器固定板、底部固定板均沿水平方向设置，所述传感器固定板、底部固定板、弹簧连接板均自所述侧固定板的侧面向所述支撑板一侧伸出，所述弹簧连接板设置于所述传感器固定板与所述曲面滑块之间；所述传感器设置于所述传感器固定板，所述压缩弹簧的一端与所述弹簧连接板连接，另一端与所述曲面压块的远离所述支撑板一侧连接。
进一步地，所述弹簧连接板上设置有与所述压缩弹簧的形状相匹配的凹槽，所述压缩弹簧伸入所述凹槽与所述弹簧连接板连接。
优选地，所述曲面滑块与所述侧固定板转动连接，所述曲面滑块与所述侧固定板之间设置有垫圈。
进一步地，所述垫圈为自润滑垫圈。
进一步地，所述曲面滑块设置有打标轮，所述曲面滑块处于第一状态时，所 述打标轮相对于所述凸起边缘更靠近所述支撑板；所述曲面滑块处于第二状态时，所述打标轮相对于所述凸起边缘更远离所述支撑板。
更进一步地，所述曲面滑块为柱形，所述曲面滑块设置有贯穿两端面的转轴孔，所述转轴孔与转轴转动连接，所述转轴穿过所述转轴孔与所述固定架连接；所述凸起的截面轮廓为弧形，且所述弧形的圆心与所述转轴孔的圆心在所述支撑板所在平面上的投影之间设置有预设距离，所述凸起沿所述曲面滑块的柱形侧面均匀凸起；所述打标轮设置于所述凸起的远离所述转轴孔一侧，所述打标轮部分突出于所述凸起。
更进一步地，所述曲面滑块上设置有打标安装槽，所述打标轮设置于所述安装槽内侧；所述打标轮还连接有墨仓，所述墨仓上设置有加墨孔。
优选地，所述打标轮设置有两个，两个所述打标轮对称设置于所述曲面滑块的靠近两端面的位置。
本发明具有以下有益效果：
通过不同厚度的药包使曲面压块处于不同位置，并通过传感器测量曲面压块的位置来产生相应信号，进而检测是否空包，能够在现有生产线上进行加装，实施成本低；无需额外提供动力，易于使用，空包检测结果受其他因素干扰小，检测效果好。
图1为一种药包空包检测装置的一个实施例的整体结构示意图。
图2为图1的一个状态下的侧面视图。
图3为图1的另一状态下的侧面视图。
图4为图3的A部放大图。
图5为图1的又一状态下的侧面视图。
图6为图5的B部放大图。
图7为一种药包空包检测装置的一个实施例的曲面压轮结构示意图。
图8为图7的曲面压轮的侧面视图。
图9为一种药包空包检测装置的一个实施例的曲面压轮部分尺寸示意图。
图10为图9所示的曲面压轮的部分尺寸示意图。
图中：1、固定架；101、传感器固定板；102、底部固定板；103、侧固定板；104、弹簧连接板；2、曲面压块；201、凸起；202、打标轮；203、加墨孔；204、 打标安装槽；205、弹簧导向柱；206、转轴孔；207、挡板连接孔；3、支撑板；4、挡板；5、传感器；501、检测槽；6、压缩弹簧；7、转轴；8、连接螺栓；9、垫圈。
下面，结合附图具体实施方式，对本发明作进一步描述。
需要说明的是，在不相冲突的前提下，以下所描述的各个实施例之间或各个技术特征之间可以任意组合形成新的实施例。
如图1所示，一种药包空包检测装置，其特征在于，包括固定架1、曲面压块2、包装支撑板3、传感器5、压缩弹簧6，所述支撑板3固定设置于所述固定架1，所述曲面压块2转动设置于所述固定架1，在所述曲面压块2上距离所述曲面压块2的转轴间隔预设距离设置有凸起201，所述凸起201向所述支撑板3一侧凸起，所述压缩弹簧6设置于所述曲面压块2的靠近所述凸起201一侧，且所述压缩弹簧6的一端与所述固定架1连接，另一端与所述曲面压块2的远离所述支撑板3一侧连接；
所述曲面滑块2能够在第一位置与第二位置间切换：所述第一位置，如图3所示，所述凸起201贴近所述支撑板3；所述第二位置，如图5所示，所述凸起201远离所述支撑板3；所述曲面滑块2处于所述第一位置时与所述曲面滑块2处于所述第二位置时所述传感器5输出不同的信号。
本发明的原理为：使用时，药包在支撑板3与曲面压块2之间移动。在压缩弹簧6的作用下，曲面压块2的凸起201向支撑板3一侧顶出，使得药包的两面分别被支撑板3和凸起201挤压。当药包装有药品时，药包厚度较厚，药包将凸起201向远离支撑板3一侧顶出，曲面压块2沿转轴转动，达到第二位置，此时传感器5输出相应信号。药包继续移动，当药包为空包时，药包厚度较小，此时在压缩弹簧6的作用下，凸起201贴近支撑板3，曲面压块2沿转轴转动，达到第一位置，此时传感器5并输出相应信号。根据传感器5输出的信号，确定曲面压块2所处状态，进而确定药包是否空包。本发明能够在现有生产线上进行加装改进，无需重新构建生产线，实施成本低；空包检测仅与药包是否为空包有关，不受其他因素干扰，检测效果好，且无需额外提供驱动力，易于使用。
所述曲面滑块2的所处的第一位置与第二位置，除了根据其自身位置进行判断外，还可以设置其他的附加组件进行检测，例如，在所述曲面滑块2的所述凸 起201一端设置传感器，以监测所述曲面滑块2的凸起201一端的位置；或在所述曲面滑块2的转轴上设置角度传感器，监测所述曲面滑块2的角度，进而得到曲面滑块2所处的位置状态；或在所述曲面滑块2上进一步设置摇臂机构，将所述曲面滑块2的位置变动进一步放大，对放大后的位置变动进行测量。
在本实施例中，通过在所述曲面滑块2上进一步设置摇臂机构的方式，对所述曲面滑块2的位置进行检测。根据本发明的构思，所述传感器5的类型可以根据需要进行选择，例如力敏传感器、位置传感器、射线辐射传感器、磁敏传感器等。在本实施例中，所述传感器5为槽型光电开关传感器，当其检测槽501中存在相应物体、不存在相应物体时，所述传感器5输出相应信号。在本实施例中，为了保证槽型光电开关传感器的感应精度，所述挡板4为金属材质，所述第二状态下，挡板4至少部分位于所述检测槽501中。
如图1所示，所述药包空包检测装置还包括挡板4，所述挡板4的固定端固定连接于所述曲面滑块2的靠近所述凸起201一端；如图3所示，所述曲面滑块2处于所述第一位置时，所述挡板4的伸出端远离所述传感器5；如图5所示，所述曲面滑块2处于所述第二位置时，所述挡板4的伸出端贴近所述传感器5。当所述曲面滑块2处于所述第一位置时，所述挡板4的位置远离所述传感器5，所述传感器5的输出第一位置的相应信号；当所述曲面滑块2处于第二位置时，所述挡板4的位置贴近所述传感器5，在本实施例中，所述第二位置的所述挡板4处于所述传感器5的所述检测槽501中。
在本实施例中，所述曲面滑块2的靠近所述凸起201一侧设置有挡板连接孔207，连接螺栓8穿过所述挡板4与连接于所述挡板连接孔207，从而将所述挡板4与所述曲面滑块2固定连接。此外，还可以采用焊接、一体成型等方式，将所述挡板4与所述曲面滑块2固定连接。
更进一步地，所述固定架1可以根据需要配置成能够安装与相应设备上的形式。本实施例中，所述固定架1包括传感器固定板101、底部固定板102、侧固定板103、弹簧连接板104，所述传感器固定板101、底部固定板102分别设置于所述侧固定板103的顶部、底部，所述传感器固定板101、底部固定板102均沿水平方向设置，所述传感器固定板101、底部固定板102、弹簧连接板104均自所述侧固定板103的侧面向所述支撑板3一侧伸出，所述弹簧连接板104设置于所述传感器固定板101与所述曲面滑块2之间；所述传感器5设置于所述传感 器固定板101，所述压缩弹簧6的一端与所述弹簧连接板104连接，另一端与所述曲面压块2的远离所述支撑板3一侧连接。
此外，所述曲面滑块2上还可以设置弹簧导向柱205，所述压缩弹簧6套于所述弹簧导向柱5外侧，以进一步固定所述压缩弹簧6的位置。此外，还可以采用弹簧容纳槽等方式，对所述压缩弹簧6的位置进行进一步固定。
进一步地，所述弹簧连接板104上设置有与所述压缩弹簧6的形状相匹配的凹槽，所述压缩弹簧6伸入所述凹槽与所述弹簧连接板104连接。
优选地，所述曲面滑块2与所述侧固定板103转动连接，所述曲面滑块2与所述侧固定板103之间设置有垫圈9，从而使曲面滑块2在所述第一状态与所述第二状态的切换过程中所受阻力更小，能够迅速切换。进一步地，所述垫圈9为自润滑垫圈。
进一步地，所述曲面滑块2设置有打标轮202，如图4所示，所述曲面滑块2处于第一状态时，所述打标轮202相对于所述凸起201边缘更靠近所述支撑板3；所述曲面滑块2处于第二状态时，如图6所示，所述打标轮202相对于所述凸起201边缘更远离所述支撑板3。
如图7、图8所示，更进一步地，所述曲面滑块2为柱形，所述曲面滑块2设置有贯穿两端面的转轴孔206，所述转轴孔206与转轴7转动连接，所述转轴7穿过所述转轴孔206与所述固定架1连接；所述凸起201的截面轮廓为弧形，且所述弧形的圆心与所述转轴孔206的圆心在所述支撑板3所在平面上的投影之间设置有预设距离，所述凸起201沿所述曲面滑块的柱形侧面均匀凸起；所述打标轮202设置于所述凸起201的远离所述转轴孔206一侧，所述打标轮202部分突出于所述凸起201。
下面，对上述打标轮202的作用方式进行说明。如图5、图6所示，当药包不为空包时，药包厚度较大，将所述凸起201顶起，进一步地使所述曲面滑块2沿所述转轴7转动。如图3、图4所示，当药包为空包时，药包厚度较小，所述凸起201被所述压缩弹簧6向所述支撑板3，进一步地使所述曲面滑块2沿所述转轴7转动。由于打标轮202设置于所述凸起201的远离所述转轴7一侧，所述凸起201的靠近所述支撑板3一侧的边缘与所述转轴7之间的距离，小于所述打标轮202的边缘与所述转轴7之间的距离，因此，当所述曲面滑块2转动相同角度时，所述打标轮202在垂直于所述支撑板3所在平面的方向上的移动距离大于 所述凸起201的靠近所述支撑板3一侧的边缘的移动距离。通过设置所述打标轮202在所述曲面滑块2上的位置和突出高度，如图3、图4所示，使所述曲面滑块2处于第一状态时，所述打标轮202相对于所述凸起201更靠近所述支撑板3；所述曲面滑块2处于第二状态时，如图5、图6所示，所述打标轮202相对于所述凸起201更远离所述支撑板3，并通过所述曲面滑块2的转动，在所述第一状态与所述第二状态之间切换。此时，如图4所示，在第一状态下，由于所述打标轮202更靠近所述支撑板3，因此药包的两侧分别与所述支撑板3、所述打标轮202接触，此时所述打标轮202在药包上打标，完成对空包的标记，便于后续进一步分辨空包；如图6所示，在第二状态下，由于所述凸起201更靠近所述支撑板3，因此药包的两侧分别与所述支撑板3、所述凸起201接触，药包正常通过所述曲面滑块2的位置。
更进一步地，如图7所示，所述曲面滑块2上设置有打标安装槽204，所述打标轮202设置于所述安装槽204内侧；所述打标轮202还连接有墨仓，所述墨仓上设置有加墨孔203。通过设置打标安装槽204，便于打标轮202以及相应部件的拆装；通过设置墨仓，提高打标轮202的使用时长；通过设置加墨孔203，便于进行加墨操作。此外，还可以进一步在加墨孔203处连接管路，直接通过管路向墨仓内进行加墨操作，进一步便于使用。
优选地，如图7所示，所述打标轮2、打标安装槽204分别设置有两个，两个所述打标安装槽对称设置于所述曲面滑块2的靠近两端面的位置，两个所述打标轮2分别设置于两个所述打标安装槽204中。在此情况下，由于药包一般中间部位较高，两侧边缘较低，因此，所述凸起201在所述曲面滑块2的中间部位保持连续，能够使所述曲面滑块2能够有效反应药包的厚度；通过将打标轮202设置于靠近两侧的位置，从而便于在空包时进行打标，同时避免连续的药包从空包改变为非空包时，在非空包的前侧进行打标，提高了打标的精度。在此情况下，可以进一步调整所述打标轮202的突出大小，使其匹配药包的厚度变化，必要时可以使打标轮在所述曲面滑块2处于第一位置时，所述打标轮202相对于所述凸起201更靠近所述支撑板3，但仍与所述支撑板3保持预设间距；在所述曲面滑块2处于第二位置时，所述打标轮202相对于所述凸起201同样更靠近所述支撑板3。
作为一种优选的实施方案，本实施例中，使用如图9、图10所示尺寸的曲 面滑块2，其中所述凸起201的凸起高度优选为6mm，不设置打标轮202，传感器5槽型光电开关的检测槽501的深度为10mm，压缩弹簧的线径为0.5mm、长为30mm、外径为8mm，压缩弹簧对曲面滑块2的压力设置为中等大小，在对空包厚度为0.5mm-0.8mm、非空包的厚度为1.5mm-2.0mm的药包进行空包检测，并使挡板4在空包时全部位于检测槽501外、非空包时部分位于检测槽501内，使用上述装置进行空包检测，分装完成后的每批空包为0.06kg，与未设置检测装置的分装完成后每批空包1.67kg相比，空包重量明显降低，提高了空包的检测效率，保证产品质量，效果显著。
以上技术特征构成了本发明的最佳实施例，其具有较强的适应性和最佳实施效果，可根据实际需要增减非必要技术特征，来满足不同情况的需要。
最后应当说明的是，以上内容仅用以说明本发明的技术方案，而非对本发明保护范围的限制，本领域的普通技术人员对本发明的技术方案进行的简单修改或者等同替换，均不脱离本发明技术方案的实质和范围。
Claims (10)
- 一种药包空包检测装置，其特征在于，包括固定架、曲面压块、包装支撑板、传感器、压缩弹簧，所述支撑板固定设置于所述固定架，所述曲面压块转动设置于所述固定架，在所述曲面压块上距离所述曲面压块的转轴间隔预设距离设置有凸起，所述凸起向所述支撑板一侧凸起，所述压缩弹簧设置于所述曲面压块的靠近所述凸起一侧，且所述压缩弹簧的一端与所述固定架连接，另一端与所述曲面压块的远离所述支撑板一侧连接；所述曲面滑块能够在第一位置与第二位置间切换：所述第一位置，所述凸起贴近所述支撑板；所述第二位置，所述凸起远离所述支撑板；所述曲面滑块处于所述第一位置时与所述曲面滑块处于所述第二位置时所述传感器输出不同的信号。
- 如权利要求1所述的一种药包空包检测装置，其特征在于：所述药包空包检测装置还包括挡板，所述挡板的固定端固定连接于所述曲面滑块的靠近所述凸起一端；所述曲面滑块处于所述第一位置时，所述挡板的伸出端远离所述传感器；所述曲面滑块处于所述第二位置时，所述挡板的伸出端贴近所述传感器。
- 如权利要求1所述的一种药包空包检测装置，其特征在于：所述固定架包括传感器固定板、底部固定板、侧固定板、弹簧连接板，所述传感器固定板、底部固定板分别设置于所述侧固定板的顶部、底部，所述传感器固定板、底部固定板均沿水平方向设置，所述传感器固定板、底部固定板、弹簧连接板均自所述侧固定板的侧面向所述支撑板一侧伸出，所述弹簧连接板设置于所述传感器固定板与所述曲面滑块之间；所述传感器设置于所述传感器固定板，所述压缩弹簧的一端与所述弹簧连接板连接，另一端与所述曲面压块的远离所述支撑板一侧连接。
- 如权利要求3所述的一种药包空包检测装置，其特征在于：所述弹簧连接板上设置有与所述压缩弹簧的形状相匹配的凹槽，所述压缩弹簧伸入所述凹槽与所述弹簧连接板连接。
- 如权利要求3所述的一种药包空包检测装置，其特征在于：所述曲面滑块与所述侧固定板转动连接，所述曲面滑块与所述侧固定板之间设置有垫圈。
- 如权利要求5所述的一种药包空包检测装置，其特征在于：所述垫圈为自润滑垫圈。
- 如权利要求1所述的一种药包空包检测装置，其特征在于：所述曲面滑块 设置有打标轮，所述曲面滑块处于第一状态时，所述打标轮相对于所述凸起边缘更靠近所述支撑板；所述曲面滑块处于第二状态时，所述打标轮相对于所述凸起边缘更远离所述支撑板。
- 如权利要求7所述的一种药包空包检测装置，其特征在于：所述曲面滑块为柱形，所述曲面滑块设置有贯穿两端面的转轴孔，所述转轴孔与转轴转动连接，所述转轴穿过所述转轴孔与所述固定架连接；所述凸起的截面轮廓为弧形，且所述弧形的圆心与所述转轴孔的圆心在所述支撑板所在平面上的投影之间设置有预设距离，所述凸起沿所述曲面滑块的柱形侧面均匀凸起；所述打标轮设置于所述凸起的远离所述转轴孔一侧，所述打标轮部分突出于所述凸起。
- 如权利要求7所述的一种药包空包检测装置，其特征在于：所述曲面滑块上设置有打标安装槽，所述打标轮设置于所述安装槽内侧；所述打标轮还连接有墨仓，所述墨仓上设置有加墨孔。
- 如权利要求7所述的一种药包空包检测装置，其特征在于：所述打标轮设置有两个，两个所述打标轮对称设置于所述曲面滑块的靠近两端面的位置。
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