Zipper visual detection device capable of reducing detection errors

Abstract

The utility model relates to the technical field of zipper detection, in particular to a zipper visual detection device capable of reducing detection errors, which comprises a rack and an upper computer, a conveying mechanism for conveying zippers is arranged on the rack, and a tension adjusting mechanism, a leveling mechanism and a visual detection mechanism are sequentially arranged on the rack along the conveying direction of the conveying mechanism. The tension adjusting mechanism is used for adjusting the tension of the zipper, the leveling mechanism is used for leveling the zipper, and the visual detection mechanism is used for photographing and detecting the zipper and is electrically connected with the upper computer. Before photographing vision is carried out on the zipper, wrinkles or foreign matters on the zipper are leveled through the leveling mechanism, or the tension of the zipper is adjusted through the tension adjusting mechanism, the zipper is tensioned to solve wrinkles, and the accuracy of visual detection is improved.

Description

Technical Field

[0001] The utility model relates to the field of zipper detection equipment, and more specifically refers to a zipper visual detection device which can reduce detection errors. Background Art

[0002] At present, the detection method for defective zippers has gradually shifted from manual visual inspection to mechanical inspection. In particular, machine vision inspection has excellent objectivity, non-destructiveness and high efficiency, and is more suitable for online inspection of zippers.

[0003] Existing zipper visual inspection devices all install a zipper transmission mechanism on the inspection frame, and set a camera in the transmission direction to take pictures of the front and back sides of the zipper, and then the host computer analyzes the pictures to detect whether the zipper has defects. Among them, the zipper transmission mechanism is only used to transmit the zipper, and during the transmission process, the zipper needs to pause to take pictures, pause to segment the zipper, or mark the zipper with a bad mark, which causes frequent pauses in the entire zipper transmission process, making the zipper very prone to wrinkling and undulation, thereby affecting the detection accuracy of the visual inspection equipment. Utility Model Content

[0004] The utility model aims to provide a zipper visual inspection device which can reduce the inspection error, so as to solve the above-mentioned problem.

[0005] The utility model adopts the following technical solutions:

[0006] A pull-tab fastener, a zipper visual inspection device capable of reducing inspection errors, comprises a frame and a host computer, wherein the frame is provided with a conveying mechanism for conveying the zipper, and the frame is provided with a tension adjustment mechanism, a leveling mechanism and a visual inspection mechanism in sequence along the conveying direction of the conveying mechanism, wherein the tension adjustment mechanism is used to adjust the zipper tension, the leveling mechanism is used to level the zipper, the visual inspection mechanism is used to photograph and inspect the zipper, and the visual inspection mechanism is electrically connected to the host computer.

[0007] Furthermore, the leveling mechanism includes a leveling seat, the leveling seat is provided with a leveling platform surface for the zipper to pass flatly, a leveling rocker is provided above the leveling platform plate, the leveling rocker is pivotally connected to the leveling seat through a core shaft, and a torsion spring is provided between the core shaft and the leveling rocker for pressing the bottom of the leveling rocker onto the leveling platform surface.

[0008] Furthermore, the leveling seat is also provided with a second abnormal alarm proximity switch for detecting the swing amplitude of the leveling rocking plate.

[0009] Furthermore, the tension adjustment mechanism includes a sliding wheel that can move up and down, and a driving mechanism for driving the sliding wheel to move up and down, and the zipper is transported by the transport mechanism and passes around the sliding wheel to form a V-shaped tension adjustment area.

[0010] Furthermore, the driving mechanism comprises a sliding bracket, a sliding seat which can move up and down along the sliding bracket, and a sliding cylinder which drives the sliding seat to move, and the sliding wheel is pivotally connected to the sliding seat.

[0011] Furthermore, the conveying mechanism includes a plurality of traction wheels for pulling the zipper and at least one feeding mechanism located in the conveying direction, the feeding mechanism includes a feeding motor, the output shaft of the feeding motor is fixedly connected with a driving wheel, the driving wheel is provided with a damping wheel, the damping wheel is tangentially in conflict with the driving wheel, and the zipper is located between the driving wheel and the damping wheel.

[0012] Furthermore, the conveying mechanism is also provided with a material abnormality alarm mechanism, which includes a material seat, on which is hinged a foreign object swing block and a material table for the zipper to pass flatly, one end face of the foreign object swing block is in conflict with the material table, and the material seat is also provided with a first abnormality alarm proximity switch for detecting the swing amplitude of the foreign object swing block.

[0013] Furthermore, the feeding mechanism includes a first feeding mechanism and a second feeding mechanism, the first feeding mechanism is located before the tension adjustment mechanism, and the second feeding mechanism is located after the visual inspection mechanism.

[0014] From the above description of the structure of the utility model, it can be seen that compared with the prior art, the utility model has the following advantages:

[0015] 1. The utility model zipper is designed with a tension adjustment mechanism and a leveling mechanism before the visual inspection mechanism. Before taking a photo, the wrinkles or foreign matter on the zipper can be smoothed out by the leveling mechanism, or the tension of the zipper can be adjusted by the tension adjustment mechanism, and the zipper can be tightened to solve the wrinkles, thereby improving the accuracy of visual inspection and reducing inspection errors.

[0016] 2. A material abnormality alarm mechanism is provided at the front end of the transmission mechanism of the utility model, which can be used as the first detection means for the zipper to enter the device, and is used to detect whether there are protrusions or foreign objects adhering to the zipper surface, so as to prevent the equipment from being stuck, damaged or breaking the zipper due to foreign objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the front view of the utility model.

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model.

[0019] Figure 3 It is a structural schematic diagram of the material abnormality alarm mechanism of the utility model.

[0020] Figure 4 It is a structural schematic diagram of the first feeding mechanism and the tension adjustment mechanism of the utility model.

[0021] Figure 5 It is a structural schematic diagram of the leveling mechanism, visual detection mechanism, steering mechanism and punching mechanism of the utility model.

[0022] Figure 6 It is a simple schematic diagram of the L-shaped layout of the steering mechanism of the utility model.

[0023] Among them, the numbers in the figure are: frame 10; conveying mechanism 20, traction wheel 21, first feeding mechanism 22, second feeding mechanism 23, feeding motor 31, driving wheel 32, damping wheel 33; material abnormality alarm mechanism 40, material seat 41, material table 42, foreign matter swing block 43, first abnormality alarm proximity switch 44; tension adjustment mechanism 50, sliding wheel 51, sliding bracket 52, sliding seat 53, sliding cylinder 54; leveling mechanism 60, leveling seat 61, leveling platform 62, leveling rocker plate 63, second abnormality alarm proximity switch 64; first visual detection mechanism 701, second visual detection mechanism 702, camera 71, light source 72, block plate 73; steering mechanism 80, guide wheel 81; punching mechanism 90, punching seat 91, punching cylinder 92, die 93, punch 94; storage mechanism 100; zipper 110. DETAILED DESCRIPTION

[0024] The specific implementation of the embodiment of the utility model is described below with reference to the accompanying drawings.

[0025] Reference Figure 1 and Figure 2 A zipper visual inspection device capable of reducing inspection errors includes a frame 10 and a host computer (not shown in the figure). The frame 10 is provided with a conveying mechanism 20 for conveying a zipper 110. The conveying mechanism 20 includes a plurality of traction wheels 21 for pulling the zipper 110 in a conveying direction, and at least one feeding mechanism for providing traction power. In this embodiment, there are preferably two feeding mechanisms, namely a first feeding mechanism 22 and a second feeding mechanism 23.

[0026] Reference Figure 1 and Figure 2The frame 10 is provided with a material abnormality alarm mechanism 40, the first feeding mechanism 22, the tension adjustment mechanism 50, the leveling mechanism 60, the visual inspection mechanism, the steering mechanism 80, the marking mechanism, the second feeding mechanism 23 and the storage mechanism 100 in sequence along the conveying direction of the conveying mechanism 20. The material abnormality alarm mechanism 40, the first feeding mechanism 22, the tension adjustment mechanism 50, the leveling mechanism 60, the visual inspection mechanism, the marking mechanism, and the second feeding mechanism 23 are electrically connected to the upper computer respectively.

[0027] Reference Figure 3 The material abnormality alarm mechanism 40 is used as the first detection means for the zipper 110 to enter the device, and is used to detect whether there are protrusions or foreign objects on the surface of the zipper 110. The material abnormality alarm mechanism 40 includes a material seat 41, on which a foreign object swing block 43 and a material table 42 for the zipper 110 to pass flatly are hinged. One end face of the foreign object swing block 43 is in conflict with the material table 42. The material seat 41 is also provided with a first abnormality alarm proximity switch 44 for detecting the swing amplitude of the foreign object swing block 43. The first abnormality alarm proximity switch 44 is electrically connected to the upper computer.

[0028] Reference Figure 2 and Figure 4 The first feeding mechanism 22 and the second feeding mechanism 23 have basically the same structure, both of which include a feeding motor 31, and a driving wheel 32 is fixedly connected to the output shaft of the feeding motor 31. A damping wheel 33 is provided on the driving wheel 32, and the damping wheel 33 is tangentially in conflict with the driving wheel 32. The zipper 110 is clamped between the driving wheel 32 and the damping wheel 33, and the zipper 110 is pulled and transmitted through the rotation of the driving wheel 32 and the damping wheel 33.

[0029] Reference Figure 4 The tension adjustment mechanism 50 is used to adjust the tension of the zipper 110 in the transmission mechanism 20. While tightening the zipper 110, it can also solve the problem of wrinkling of the zipper 110 due to transmission. The tension adjustment mechanism 50 includes a sliding wheel 51 that can move up and down, and a driving mechanism for driving the sliding wheel 51 to move up and down. The driving mechanism includes a sliding bracket 52, a sliding seat 53 that can move up and down along the sliding bracket 52, and a sliding cylinder 54 that drives the sliding seat 53 to move. The sliding wheel 51 is pivotally connected to the sliding seat 53. The zipper 110 is transmitted by the transmission mechanism 20 and bypasses the sliding wheel 51 to form a V-shaped tension adjustment area. The sliding cylinder 54 controls the up and down movement of the sliding wheel 51 to adjust the V-shaped tension adjustment area of ​​the zipper 110, thereby adjusting the tension and wrinkling problem of the zipper 110.

[0030] Reference Figure 5The leveling mechanism 60 is arranged before the visual inspection mechanism, and is used to level the zipper 110, ensuring that the zipper 110 can remain flat and wrinkle-free before entering the visual inspection mechanism. The leveling mechanism 60 includes a leveling seat 61, on which is provided a leveling platform 62 for the zipper 110 to pass flatly, and above the leveling platform a leveling rocker 63 is provided, the leveling rocker 63 is pivotally connected to the leveling seat 61 through a mandrel, and a torsion spring (not shown in the figure) is provided between the mandrel and the leveling rocker 63 for pressing the bottom of the leveling rocker 63 onto the leveling platform 62, and the leveling seat 61 is also provided with a second abnormal alarm proximity switch 64 for detecting the swing amplitude of the leveling rocker 63. In this embodiment, the torsion spring built between the leveling rocker 63 and the core shaft is sufficient to smooth out small wrinkles on the zipper 110. If the wrinkles on the zipper 110 are too large to be smoothed out, the leveling rocker 63 will be lifted up, triggering the second abnormal alarm proximity switch 64, and the tension of the zipper 110 will be re-adjusted through the tension adjustment mechanism 50 to smooth out the wrinkles on the zipper 110.

[0031] Reference Figure 5 and Figure 6 The visual inspection mechanism is used to take photos of the zipper 110 for inspection, and the steering mechanism 80 is used to bend and turn the zipper 110 for transmission. The visual inspection mechanism includes a first visual inspection mechanism 701 and a second visual inspection mechanism 702. The first visual inspection mechanism 701 is arranged in front of the steering mechanism 80, and is used to take photos of one side of the zipper 110 before the zipper 110 turns. The second visual inspection mechanism 702 is arranged behind the steering mechanism 80, and is used to take photos of the other side of the zipper 110 after the zipper 110 turns. The first visual inspection mechanism 701 and the second visual inspection mechanism 702 have different shooting directions and are not arranged opposite to each other. The first visual inspection mechanism 701 and the second visual inspection mechanism 702 both include a camera 71, a light source 72 and a light shielding plate 73. The camera 71, the light source 72, the zipper 110 and the light shielding plate 73 are arranged in the same straight line in sequence. The light source 72 can preferably be an LED light ring.

[0032] like Figure 6 In the present device, the steering mechanism 80 may be at least one guide wheel 81, and the zipper 110 is transferred in an L-shaped manner by passing around the guide wheel 81. The first visual inspection mechanism 701 and the second visual inspection mechanism 702 are arranged vertically, and the first visual inspection mechanism 701 is vertically directed to photograph one side of the zipper 110, and the second visual inspection mechanism 702 is horizontally directed to photograph the other side of the zipper 110. Figure 5The steering mechanism 80 includes at least three guide wheels 81, which are arranged in a V-shape. The zipper 110 passes over the three guide wheels 81 in sequence and is transferred in a U-shaped manner. The first visual inspection mechanism 701 and the second visual inspection mechanism 702 are also arranged up and down, with one side of the zipper 110 facing vertically and the other side facing horizontally. In this embodiment, the three guide wheels 81 are preferably arranged in a V-shape.

[0033] Reference Figure 5 The marking mechanism is used to mark the zipper 110. The marking method can be coating, gluing, punching, etc. The present embodiment preferably uses a punching mechanism 90 to punch holes on the fabric tape of the zipper 110 to make marks. The punching mechanism 90 includes a punching seat 91 and a punching cylinder 92 disposed on the punching seat 91. The punching seat 91 is provided with a die 93 for the fabric tape of the zipper 110 to pass through. A punch 94 for punching holes in the fabric tape of the zipper 110 is disposed above the die 93. The punch 94 is fixedly connected to the output shaft of the punching cylinder 92. In the present embodiment, the die 93 adopts a C-shaped structure design. The C-shaped opening of the die 93 is used for the fabric tape of the zipper 110 to pass through. Through holes (not shown in the figure) are provided on the upper and lower sides of the C-shaped opening for the punch 94 to penetrate.

[0034] Reference Figure 1 and Figure 2 The material storage mechanism 100 is a material storage box for storing the zippers 110 that have been visually inspected and marked for subsequent operations.

[0035] Reference Figures 1 to 5 The specific operation process of this device is as follows:

[0036] The zipper 110, in this embodiment, is preferably a zipper 110 for stacking. The zipper 110 is pulled and conveyed by the first feeding mechanism 22 and the second feeding mechanism 23. Before the zipper 110 is pulled into the device, it will first pass through the material abnormality alarm mechanism 40 for preliminary leveling and detection. If there is foreign matter or protrusion on the surface of the zipper 110, when passing through the material abnormality alarm mechanism 40, the foreign matter pendulum block 43 will be lifted, thereby triggering the first abnormal alarm proximity switch 44 to report to the upper computer, and the device will be shut down, and the staff will check and remove the foreign matter.

[0037] After the abnormality is eliminated or there is no abnormality, the zipper 110 continues to be transmitted through the tension adjustment mechanism 50 and the flattening mechanism 60, and is flattened by the flattening mechanism 60. If the wrinkles of the zipper 110 are too large to be smoothed, the flattening rocker 63 will be lifted, triggering the second abnormal alarm proximity switch 64 to report to the host computer, and the device will stop, and the tension of the zipper 110 will be adjusted through the tension adjustment mechanism 50 to smooth the wrinkles of the zipper 110.

[0038] After the zipper 110 is smoothed by the leveling mechanism 60, it will first pass through the first visual inspection mechanism 701, which will take a photo of the front side of the zipper 110 and upload it to the host computer for visual inspection. The zipper 110 will then be sent to the steering mechanism 80 for steering and transmission, and the second visual inspection mechanism 702 will take a photo of the back side of the zipper 110 and upload it to the host computer for visual inspection.

[0039] After the front and back sides of the zipper 110 are inspected by taking photos, they are sent to the punching mechanism 90. Based on the visual inspection results, it is decided whether to punch a mark on the zipper 110. If the visual inspection result shows that the zipper 110 is defective, the punching mechanism 90 punches a mark on the corresponding zipper 110 tape. Finally, the zipper 110 after visual inspection and marking is sent to the storage mechanism 100 for temporary storage, awaiting subsequent operations.

[0040] The above is only a specific implementation method of the utility model, but the design concept of the utility model is not limited to this. Any non-substantial changes to the utility model using this concept shall be deemed as an infringement of the protection scope of the utility model.

Claims

1. A zipper visual inspection device capable of reducing inspection errors, comprising a frame and a host computer, wherein the frame is provided with a conveying mechanism for conveying the zipper, Features: The frame is provided with a tension adjustment mechanism, a leveling mechanism and a visual inspection mechanism in sequence along the conveying direction of the conveying mechanism. The tension adjustment mechanism is used to adjust the zipper tension, the leveling mechanism is used to level the zipper, the visual inspection mechanism is used to take photos of the zipper for inspection, and the visual inspection mechanism is electrically connected to the upper computer.

2. A zipper visual inspection device capable of reducing inspection errors according to claim 1, Features: The leveling mechanism includes a leveling seat, a leveling platform surface for the zipper to pass flatly is provided on the leveling seat, a leveling rocker plate is provided above the leveling platform plate, the leveling rocker plate is pivotally connected to the leveling seat through a core shaft, and a torsion spring is provided between the core shaft and the leveling rocker plate for pressing the bottom of the leveling rocker plate onto the leveling platform surface.

3. A zipper visual inspection device capable of reducing inspection errors according to claim 2, Features: The leveling seat is also provided with a second abnormal alarm proximity switch for detecting the swing amplitude of the leveling rocking plate.

4. A zipper visual inspection device capable of reducing inspection errors according to claim 1, Features: The tension adjustment mechanism comprises a sliding wheel which can move up and down, and a driving mechanism for driving the sliding wheel to move up and down. The zipper is transported by a transport mechanism and passes around the sliding wheel to form a V-shaped tension adjustment area.

5. A zipper visual inspection device capable of reducing inspection errors according to claim 4, Features: The driving mechanism comprises a sliding bracket, a sliding seat which can move up and down along the sliding bracket, and a sliding cylinder which drives the sliding seat to move. The sliding wheel is pivotally connected to the sliding seat.

6. A zipper visual inspection device capable of reducing inspection errors according to claim 1, Features: The conveying mechanism includes a plurality of traction wheels for pulling the zipper and at least one feeding mechanism located in the conveying direction. The feeding mechanism includes a feeding motor. A driving wheel is fixedly connected to the output shaft of the feeding motor. A damping wheel is provided on the driving wheel. The damping wheel is tangentially in conflict with the driving wheel. The zipper is located between the driving wheel and the damping wheel.

7. A zipper visual inspection device capable of reducing inspection errors according to claim 6, Features: The conveying mechanism is also provided with a material abnormality alarm mechanism, which includes a material seat, on which is hinged a foreign object swing block and a material table for the zipper to pass flatly, one end face of the foreign object swing block is in contact with the material table, and the material seat is also provided with a first abnormality alarm proximity switch for detecting the swing amplitude of the foreign object swing block.

8. A zipper visual inspection device capable of reducing inspection errors according to claim 6, Features: The feeding mechanism comprises a first feeding mechanism and a second feeding mechanism, wherein the first feeding mechanism is located before the tension adjustment mechanism, and the second feeding mechanism is located after the visual inspection mechanism.

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