Zipper head detection device for bone bag

Abstract

The utility model relates to a kind of zip head detection devices of bone-pasting bag, comprising: compression module and detection module.Compression module includes: lifting support, the compression driver of connecting lifting support, the pressing plate installed on lifting support and the driving plate installed on lifting support.Detection module includes: fixed plate and the detection unit installed on fixed plate.Detection unit includes: the base of connecting fixed plate, the position sensor installed on base, the outer sleeve vertically worn on base, the outer spring of sleeving on outer sleeve, the inner sleeve worn in outer sleeve, the inner spring of sleeving on inner sleeve and the pressure head connected in the bottom end of inner sleeve.Outer sleeve is equipped with avoid location groove, and inner sleeve is equipped with the inductive sheet sliding in avoid location groove.The triggering state of position sensor is controlled by the lifting condition of inner sleeve, to realize the automatic detection whether the zip head of bone-pasting bag is missing, reduce the risk of unqualified product outflow.

Description

Technical Field

[0001] This utility model relates to the field of packaging bag manufacturing technology, and in particular to a zipper head detection device for a zipper bag. Background Technology

[0002] A snap-on bag is a type of storage bag with snaps at the closure. When in use, squeezing the snaps causes the male and female buckles to engage, sealing the bag. Because the storage bag has a certain width, users need to squeeze the snaps from left to right (or right to left) to open it. Therefore, to further simplify the user experience, snap-on bags with zipper pulls were developed. The zipper pull uses the snaps as a guide; pulling the zipper pull squeezes the male and female buckles together, quickly closing the bag. The operation is simple and convenient.

[0003] When producing zippered mesh bags, after the storage bag and the zipper strip are sewn together, they are cut and the zipper strips are assembled to obtain individual mesh bags. In traditional mesh bag production lines, to ensure that each mesh bag has a zipper strip installed, manual visual inspection is required at the final receiving station. However, since mesh bags are produced in batches, manual inspection is prone to omissions due to worker fatigue over time, resulting in defective products being released.

[0004] Therefore, it is necessary to develop a device that can detect whether the zipper head of the zipper bag is missing, so as to realize the automated detection of the zipper head and reduce the risk of defective products being released. Utility Model Content

[0005] Based on this, the present invention provides a zipper head detection device for a zippered bag. The device uses a pressing module to press and position the zippered bag, and uses the pressing module in conjunction with a detection module to control the triggering state of the position sensor by the lifting and lowering of the inner sleeve. This enables automatic detection of whether the zipper head of the zippered bag is missing, reducing the risk of defective products being released.

[0006] A zipper pull detection device for a zippered pocket includes:

[0007] The pressing module includes: a lifting bracket, a pressing driver connected to the lifting bracket, a pressure plate mounted on the lifting bracket, and a drive plate mounted on the lifting bracket; the pressing driver drives the lifting bracket to move up and down; the pressure plate and drive plate move synchronously with the lifting bracket; and

[0008] The detection module includes a fixed plate and a detection unit mounted on the fixed plate. The detection unit includes a base connected to the fixed plate, a position sensor mounted on the base, an outer sleeve vertically inserted on the base, an outer spring sleeved on the outer sleeve, an inner sleeve inserted in the outer sleeve, an inner spring sleeved on the inner sleeve, and a pressure head connected to the bottom end of the inner sleeve. When the pressure plate is pressed down, the drive plate presses down on the top of the outer sleeve and forces the outer spring to compress. The outer sleeve has a vertically arranged clearance groove on the side facing the position sensor. The top of the inner sleeve has a sensing plate that slides in the clearance groove, and the sensing plate protrudes beyond the outer sleeve. The inner sleeve floats in the inner sleeve under the support of the inner spring.

[0009] The aforementioned zipper head detection device for the zipper bag involves transporting the zipper bag to the zipper head detection station via a pitch-feed conveyor belt after cutting and zipper head installation. Upon arrival at the zipper head detection station, the conveyor belt pauses, and the pressure plate of the pressing module presses down, reinforcing the cut seam of the zipper bag and positioning it. As the pressure plate presses down, the drive plate also presses down the outer sleeve of the detection unit, thereby causing the inner sleeve and pressure head to move downwards. When the zipper head is on the zipper bag, as the inner sleeve and pressure head move downwards with the outer sleeve, the presence of the zipper head prevents the pressure head from moving to the preset lower limit position, causing the inner sleeve to be lifted. At this point, the sensing element cannot move to the preset lower limit position, thus failing to trigger the position sensor. When the zipper pull on the zippered bag is missing, the inner sleeve and the pressure head move downwards along with the outer sleeve. Both the pressure head and the inner sleeve can move to a preset lower limit position. At this time, the sensor plate also moves downwards with the inner sleeve to the preset lower limit position, thus triggering the position sensor. Once triggered, the position sensor sends an alarm signal to the control panel. Through this design, the zippered bag is pressed and positioned using a pressing module, and the pressing module is linked to a detection module. The triggering state of the position sensor is controlled by the rising and falling of the inner sleeve, thereby achieving automatic detection of whether the zipper pull on the zippered bag is missing, reducing the risk of defective products being released.

[0010] In one embodiment, the top of the outer sleeve is provided with a removable top cover; the outer spring is located between the top cover and the base.

[0011] In one embodiment, a baffle is provided at the top of the inner sleeve; the inner spring is located between the baffle and the bottom end of the inner cavity of the outer sleeve.

[0012] In one embodiment, the pressure head is detachably connected to the bottom end of the inner sleeve via a thread, and the insertion depth of the pressure head into the inner sleeve is adjustable. Depending on the thickness of the zipper head to be detected, the insertion depth into the inner sleeve can be adjusted by rotating the pressure head, achieving adaptability adjustment and improving the versatility of the equipment.

[0013] In one embodiment, the fixing plate is arranged parallel to the pressure plate; the base is slidably mounted on the fixing seat, and the detection module is also provided with a locking element for locking the relative position of the base and the fixing seat. By adjusting the position of the base, the lateral position of the pressure head is adjusted to adapt to the position of the zipper head, thereby improving the versatility of the device.

[0014] In one embodiment, the sensor sheet is detachably mounted on the outer sleeve.

[0015] In one embodiment, a notch is provided on one side of the base for the sensor to pass through. Attached Figure Description

[0016] Figure 1 This is a perspective view of a zipper head detection device for a zipper bag according to an embodiment of the present invention;

[0017] Figure 2 for Figure 1 A perspective view of the zipper pull detection device for the shown bone-attach pouch from another angle;

[0018] Figure 3 for Figure 1 A perspective view of the pressing module in the zipper head detection device of the shown bone-attach bag;

[0019] Figure 4 for Figure 3 A three-dimensional view of the pressing module from another perspective;

[0020] Figure 5 for Figure 1 A perspective view of the detection module in the zipper head detection device for the shown bone-attached bag;

[0021] Figure 6 for Figure 5 A stereoscopic view of the detection module shown from another perspective;

[0022] Figure 7 for Figure 6 An exploded view of the detection module shown;

[0023] Figure 8 for Figure 6 The cross-sectional view of the detection module shown;

[0024] Figure 9 for Figure 1 The diagram shows the usage status of the zipper pull detection device for the zipper bag.

[0025] Figure 10 for Figure 9 The diagram shows the working principle of the zipper head detection device of the bone-attachment bag when it is lifted.

[0026] Figure 11 for Figure 10 The diagram shows the working principle of the zipper head detection device of the zipper bag when it is pressed down and encounters the zipper head.

[0027] Figure 12 for Figure 10 The diagram shows the working principle of the zipper head detection device for the zipper pocket when it is pressed down and does not encounter the zipper head.

[0028] The meanings of the labels in the attached diagram are as follows:

[0029] 100-Zipper head detection device for zipper pull pockets;

[0030] 10-Pressure pressing module, 11-Lifting bracket, 12-Pressure pressing driver, 13-Pressure plate, 14-Drive plate;

[0031] 20-Detection module, 21-Fixing plate, 22-Detection unit, 221-Base, 2211-Notch, 222-Position sensor, 223-Outer sleeve, 2231-Top cover, 2232-Allowing groove, 224-Outer spring, 225-Inner sleeve, 2251-Baffle, 2252-Sensing plate, 226-Inner spring, 227-Pressure head, 228-Locking component;

[0032] 200-Conveyor Belt;

[0033] 300 - Zipper head. Detailed Implementation

[0034] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0035] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0036] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0037] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0038] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0039] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0040] like Figures 1 to 12 As shown, it is a zipper head detection device 100 for a zippered bag according to an embodiment of the present invention.

[0041] like Figure 1 and Figure 2 As shown, the zipper pull detection device 100 for the zipper pull pocket includes a pressing module 10 and a detection module 20. The pressing module 10 is used to reinforce the cut seam of the zipper pull pocket and is linked to the detection module 20. The detection module 20 is used to detect whether the zipper pull on the zipper pull pocket is missing.

[0042] The following text, combined with Figures 1 to 12 The zipper head detection device 100 for the above-mentioned zipper bag will be further explained.

[0043] like Figure 3 and Figure 4 As shown, the pressing module 10 includes: a lifting bracket 11, a pressing driver 12 connected to the lifting bracket 11, a pressure plate 13 mounted on the lifting bracket 11, and a drive plate 14 mounted on the lifting bracket 11. The pressing driver 12 is used to drive the lifting bracket 11 to move up and down. The pressure plate 13 and the drive plate 14 move synchronously with the lifting bracket 11. In this embodiment, the pressing driver 12 can be a motor, a cylinder, or a hydraulic drive structure. In this embodiment, a drive structure based on a motor and driven by a lead screw is shown. In other embodiments, under the premise of using a motor, a cam drive can also be used to realize the linear reciprocating motion of the lifting bracket 11.

[0044] like Figures 5 to 8 As shown, the detection module 20 includes a fixing plate 21 and a detection unit 22 mounted on the fixing plate 21. The detection unit 22 includes a base 221 connected to the fixing plate 21, a position sensor 222 mounted on the base 221, an outer sleeve 223 vertically inserted on the base 221, an outer spring 224 sleeved on the outer sleeve 223, an inner sleeve 225 inserted in the outer sleeve 223, an inner spring 226 sleeved on the inner sleeve 225, and a pressure head 227 connected to the bottom end of the inner sleeve 225.

[0045] like Figure 7 and Figure 8 As shown, in this embodiment, the top of the outer sleeve 223 is provided with a detachable top cover 2231. The outer spring 224 is located between the top cover 2231 and the base 221.

[0046] like Figure 7 and Figure 8 As shown, in this embodiment, a baffle 2251 is provided at the top of the inner sleeve 225. The inner spring 226 is located between the baffle 2251 and the bottom end of the inner cavity of the outer sleeve 223.

[0047] To accommodate different sizes of patch pockets and zipper pulls of different sizes and positions (300), the following improvements can be made:

[0048] For example, such as Figures 5 to 7As shown, in this embodiment, the fixing plate 21 is arranged parallel to the pressure plate 13. The base 221 is slidably mounted on the fixing seat, and the detection module 20 is also provided with a locking member 228 (for example, in this embodiment, the locking member 228 is a bolt) for locking the relative position of the base 221 and the fixing seat. By adjusting the position of the base 221, the lateral position of the pressure head 227 is adjusted, thereby adapting to the position of the zipper head and improving the versatility of the device.

[0049] For example, combining Figure 7 and Figure 8 As shown, in this embodiment, the pressure head 227 is detachably connected to the bottom end of the inner sleeve 225 via a thread, and the insertion depth of the pressure head 227 into the inner sleeve 225 is adjustable. Depending on the thickness of the zipper head 300 to be detected, the insertion depth into the inner sleeve 225 can be adjusted by rotating the pressure head 227, achieving adaptability adjustment and improving the versatility of the equipment.

[0050] See also Figure 11 or Figure 12 When the pressure plate 13 presses down, the drive plate 14 presses against the top of the outer sleeve 223 and forces the outer spring 224 to compress. Figure 7 and Figure 8 As shown, the outer sleeve 223 has a vertically arranged clearance groove 2232 on the side facing the position sensor 222. The top of the inner sleeve 225 has a sensing plate 2252 that slides in the clearance groove 2232, and the sensing plate 2252 protrudes beyond the outer sleeve 223. The inner sleeve 225 is in a floating state under the support of the inner spring 226, so that when the outer sleeve 223 is not moved down by the drive plate 14, the sensing plate 2252 is above the position sensor 222, and a certain amount of travel is reserved between the pressure head 227 and the bottom end of the inner sleeve 225, so that when the pressure head 227 touches the zipper head 300, the inner sleeve 225 is lifted while the outer sleeve 223 remains stationary.

[0051] To facilitate the assembly and disassembly of the device, in this embodiment, a notch 2211 is provided on one side of the base 221 for the sensing element 2252 to pass through. During assembly, the inner sleeve 225 is first inserted into the outer sleeve 223, and the side of the sensing element 2252 protruding outward on the outer sleeve 223 faces away from the position sensor 222. Then, the outer sleeve 223 is inserted into the base 221, and the notch 2211 allows the sensing element 2252 to pass smoothly through the base 221. Then, the outer sleeve 223 is rotated 180° so that the sensing element 2252 faces the position sensor 222.

[0052] In other embodiments, the sensing element 2252 is detachably mounted on the outer sleeve 223, which also achieves the purpose of convenient device assembly and disassembly.

[0053] Brief description of working principle:

[0054] like Figure 9 As shown, after the zipper bag (not shown) is cut and the zipper head is installed, it is conveyed to the zipper head inspection station via the pitch-feed conveyor belt 200. At this time, the pressure plate 13 is not pressed down, and the state of the inspection unit 20 is as follows. Figure 10 As shown.

[0055] like Figure 11 and Figure 12 As shown, when the zipper bag reaches the zipper head inspection station, the conveyor belt 200 enters a pause cycle, and the pressure plate 13 of the pressing module 10 presses down to compress and reinforce the cut seam of the zipper bag and position the zipper bag. As the pressure plate 13 presses down, the drive plate 14 also presses down on the outer sleeve 223 of the pressure detection unit 22, thereby driving the inner sleeve 225 and the pressure head 227 to move down.

[0056] When the zipper pull on the zippered bag is 300mm, such as Figure 11 As shown, when the inner sleeve 225 and the pressure head 227 move down with the outer sleeve 223, the pressure head 227 cannot move down to the preset lower limit position due to the presence of the zipper head 300, causing the inner sleeve 225 to be pushed up. At this time, the sensing plate 2252 cannot move down to the preset lower limit position, so the position sensor 222 cannot be triggered.

[0057] When the zipper pull 300 on the zipper bag is missing, such as Figure 12 As shown, when the inner sleeve 225 and the pressure head 227 move down with the outer sleeve 223, both the pressure head 227 and the inner sleeve 225 can move down to the preset lower limit position. At this time, the sensing plate 2252 will also move down with the inner sleeve 225 to the preset lower limit position, thereby triggering the position sensor 222. After the position sensor 222 is triggered, it sends an alarm signal to the control console.

[0058] Therefore, based on the above design, when the position sensor 222 is triggered, it indicates that the zipper head is missing.

[0059] It should be further noted that in this design, the drive plate 14 and the outer sleeve 223 are linked. In actual structural design, the drive plate 14 can be fixedly connected to the outer sleeve 223, or the two can be separated. For example, the drive plate 14 can be fixedly connected to the top of the outer sleeve 223. In this case, the outer spring 224 can be omitted. The advantage is that the drive plate 14 provides complete driving force for the movement of the outer sleeve 223. The disadvantage is that the height of the outer sleeve 223 needs to be matched with the forming range of the drive plate 14. Alternatively, the drive plate 14 can be separated from the top of the outer sleeve 223. In this case, the outer spring 224 is needed to provide driving force for the outer sleeve 223 to rise and reset after being pressed down. The advantage is that the height of the outer sleeve 223 can be less than the stroke of the drive plate 14 (for example, the outer sleeve 223 is only pressed when the drive plate 14 has pressed down to half its stroke). The disadvantage is that there are more parts, and the outer spring 224 needs to be adjusted to control the height of the outer sleeve 223 in the non-pressed state.

[0060] The aforementioned zipper head detection device 100 for the zipper bag uses the pressing module 10 to press and position the zipper bag, and uses the pressing module 10 to link the detection module 20. The position sensor 222 is triggered by the lifting and lowering of the inner sleeve 225, thereby realizing automatic detection of whether the zipper head of the zipper bag is missing, reducing the risk of defective products flowing out.

[0061] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0062] The above embodiments only illustrate preferred implementations of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A zipper pull detection device for a zippered pocket, characterized in that, include: Pressing module; The pressing module includes: a lifting bracket, a pressing driver connected to the lifting bracket, a pressure plate mounted on the lifting bracket, and a drive plate mounted on the lifting bracket; the pressing driver is used to drive the lifting bracket to move up and down; the pressure plate and the drive plate move synchronously with the lifting bracket; and A detection module; the detection module includes: a fixed plate and a detection unit mounted on the fixed plate; the detection unit includes: a base connected to the fixed plate, a position sensor mounted on the base, an outer sleeve vertically inserted on the base, an outer spring sleeved on the outer sleeve, an inner sleeve inserted in the outer sleeve, an inner spring sleeved on the inner sleeve, and a pressure head connected to the bottom end of the inner sleeve; when the pressure plate is pressed down, the drive plate presses the top of the outer sleeve and forces the outer spring to compress; the outer sleeve has a vertically arranged clearance groove on the side facing the position sensor; the top end of the inner sleeve has a sensing plate that slides in the clearance groove, and the sensing plate protrudes beyond the outer sleeve; the inner sleeve is in a floating state in the inner sleeve under the support of the inner spring.

2. The zipper head detection device for the bone-attachment pouch according to claim 1, characterized in that, The outer sleeve has a detachable top cover at its top; the outer spring is located between the top cover and the base.

3. The zipper head detection device for the bone-attachment pouch according to claim 1, characterized in that, The inner sleeve has a baffle plate at its top; the inner spring is located between the baffle plate and the bottom end of the inner cavity of the outer sleeve.

4. The zipper head detection device for the bone-attachment pouch according to claim 1, characterized in that, The pressure head is detachably connected to the bottom end of the inner sleeve via a thread, and the insertion depth of the pressure head into the inner sleeve is adjustable.

5. The zipper head detection device for the bone-attachment pouch according to claim 1, characterized in that, The fixing plate is arranged parallel to the pressure plate; the base is slidably disposed on the fixing seat, and the detection module is also provided with a locking member for locking the relative position of the base and the fixing seat.

6. The zipper head detection device for the bone-attach pouch according to claim 1, characterized in that, The sensing element is detachably mounted on the outer sleeve.

7. The zipper head detection device for the bone-attachment pouch according to claim 1, characterized in that, The base has a notch on one side for the sensor to pass through.

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