A luggage wheel coaxiality detection device for luggage processing

Abstract

The present invention discloses a luggage wheel coaxiality detection device for luggage processing, which relates to the technical field of luggage detection, including a conveyor belt, a plurality of luggage to be detected are carried on the conveyor belt, a base is provided directly below the conveyor belt, a shell is fixedly provided on the top of the base, the shell is sleeved and provided on the outside of the conveyor belt, a dual drive mechanism is fixedly provided on the bottom of the inner side of the shell, a lifting and clamping mechanism is provided for transmission directly above the dual drive mechanism, an anti-jumping clamping mechanism and a synchronous rotation mechanism are provided on the top of the inner side of the shell, the synchronous rotation mechanism is located on the right side of the anti-jumping clamping mechanism, and a detection component is provided below the synchronous rotation mechanism. The present invention has a high degree of automation, and the overall operation process requires very little manpower, which saves manpower while reducing detection costs. At the same time, it can realize continuous and uninterrupted detection, thereby improving detection efficiency, and can be effectively applied to the industrial production detection of luggage.

Description

Technical Field

[0001] The present invention relates to the technical field of luggage detection, and in particular to a luggage wheel coaxiality detection device for luggage processing. Background Art

[0002] Before luggage production is put into use, the coaxiality of the luggage wheels needs to be tested to avoid excessive shaking during the movement of the luggage due to large errors in the coaxiality of the luggage wheels, which will affect the normal use of the user.

[0003] Patent application number CN 108680122 B discloses a device for detecting the coaxiality of luggage wheels. This device relates to the technical field of luggage detection devices and includes a calibration component and a detection component. The calibration component includes a housing, a transmission component disposed within the housing, a calibration device disposed above the transmission component, and a detection component disposed outside the calibration component. This invention features a simple structure and easy operation. The luggage to be inspected is placed on the calibration component, and the detection device determines whether the wheels meet the coaxiality requirements. This simple and quick detection method can save a significant amount of time. Furthermore, the device is adjustable and suitable for inspecting luggage wheels of various sizes.

[0004] However, after actual application by technicians in this field, it was found that the above device still has some shortcomings. The most obvious one is that each time a bag is inspected, it is necessary to manually repeat the operations of placing the bag, fixing the bag, unfixing the bag, and removing the bag. The operation is cumbersome and consumes too much manpower, and the inspection cost is too high. In addition, continuous and uninterrupted inspection cannot be achieved, and the inspection efficiency is low, so it cannot be effectively applied to the industrial production inspection of bags.

[0005] Therefore, it is necessary to invent a luggage wheel coaxiality detection device for luggage processing to solve the above problems. Summary of the Invention

[0006] The object of the present invention is to provide a bag wheel coaxiality detection device for bag processing, so as to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a luggage wheel coaxiality detection device for luggage processing, comprising a conveyor belt, the conveyor belt carrying a plurality of luggage to be detected, a base provided directly below the conveyor belt, a shell fixedly provided on the top of the base, the shell being sleeved on the outside of the conveyor belt, a dual drive mechanism fixedly provided on the bottom inside the shell, a lifting and clamping mechanism is provided directly above the dual drive mechanism, an anti-jumping clamping mechanism and a synchronous rotation mechanism are provided on the top inside the shell, the synchronous rotation mechanism is located on the right side of the anti-jumping clamping mechanism, and a detection component is provided below the synchronous rotation mechanism.

[0008] Preferably, the dual drive mechanism includes a fixed plate, a first drive motor, a screw, a first spring, a lifting slider, a first push block, a threaded sleeve, a limit plate and a limit rod.

[0009] Preferably, the fixing plate is fixedly arranged on the inner side of the shell, the first driving motor is fixedly arranged on the bottom of the fixing plate, the screw is located at the top of the fixing plate and is transmission connected to the first driving motor, the first spring is fixedly connected to the top of the screw, the lifting slider is rotatably connected to the top of the first spring through a bearing, the first push block is fixedly connected to the top of the lifting slider, the threaded sleeve is sleeved on the outside of the screw and is threadedly connected to the screw, the lifting slider is slidably nested in the top of the inner side of the threaded sleeve, the limit plate is fixedly sleeved on the outer bottom of the threaded sleeve, two limit rods are provided, and the two limit rods are respectively fixed on both sides of the bottom of the limit plate, and both pass through the fixing plate and are slidably connected to the fixing plate.

[0010] Preferably, the lifting and clamping mechanism includes a lifting plate, a sliding groove, a clamping plate, a mounting plate, a second spring, a second push block and a connecting slide rod.

[0011] Preferably, the lifting plate is fixedly sleeved and arranged at the top outside the threaded sleeve, and two of the slide grooves, clamping plates, mounting plate, second spring, second push block and connecting slide rods are provided, and the two slide grooves are respectively opened on both sides of the top of the lifting plate, and the two clamping plates are respectively slidably arranged on the inner sides of the two slide grooves, and the two mounting plates are respectively fixedly arranged on both sides of the bottom of the lifting plate, one end of the two second springs is fixedly connected to the adjacent mounting plates and the other end is fixedly connected to the adjacent clamping plates, and the two second push blocks are respectively slidably arranged on both sides of the inside of the lifting plate and both are in contact with the first push block, and the two connecting slide rods are slidably arranged on both sides of the inside of the lifting plate, and one end of the connecting slide rod is fixedly connected to the adjacent clamping plate and the other end is fixedly connected to the adjacent second push block.

[0012] Preferably, the anti-jumping pressing mechanism includes a pressing plate, a first lifting rod and a third spring;

[0013] The clamping plate is located at the top inner side of the shell, and two of the first lifting rods and the third springs are provided. The two first lifting rods are respectively slid through and arranged on both sides of the top of the shell, and are both fixedly connected to the clamping plate. The two third springs are respectively sleeved on the outside of the two first lifting rods, and one end of the third spring is fixedly connected to the clamping plate and the other end is fixedly connected to the inner wall of the shell.

[0014] Preferably, the synchronous rotation mechanism includes a second lifting rod, a fourth spring, an end plate, a mounting frame and a synchronous roller.

[0015] The second lifting rod is slidingly penetrated and arranged on the right side of the top of the shell, the fourth spring is sleeved on the top of the outer side of the second lifting rod, the end plate is fixedly arranged on the top of the second lifting rod, the mounting bracket is fixedly arranged on the bottom end of the second lifting rod, the synchronous roller is rotatably nested and arranged on the inner side of the mounting bracket, and the rear side of the mounting bracket is fixedly provided with a second driving motor that is transmission-connected to the synchronous roller.

[0016] The present invention also discloses a method for detecting the coaxiality of luggage wheels used in luggage processing, which specifically comprises the following steps:

[0017] S1. Use a conveyor belt to transport multiple bags to be inspected. When the bags to be inspected move to the top of the lifting and clamping mechanism, the first drive motor drives the screw to rotate. The screw rotates and drives the threaded sleeve to rise. At the same time, the first spring and the lifting slider gradually drive the first push block to descend.

[0018] S2: When the threaded sleeve rises, the lifting plate is driven to rise synchronously. When the first push block descends, the limit of the second push block is released. The second spring pulls the clamping plate, thereby moving the two clamping plates toward each other. When the rising distance of the threaded sleeve reaches the first threshold, the lifting plate is lifted and the bag to be inspected is lifted from the conveyor belt. When the rising distance of the threaded sleeve reaches the second threshold, the two clamping plates clamp and fix the bag to be inspected.

[0019] S3: The threaded sleeve continues to drive the lifting plate upward. At this time, the first push block cannot continue to descend due to the obstruction of the threaded sleeve. As the threaded sleeve rises, the first spring is gradually stretched. When the rising distance of the threaded sleeve reaches the third threshold, the bag to be inspected on the top of the lifting plate contacts the pressing plate under the push of the lifting plate, and pushes the lifting plate as it continues to rise.

[0020] S4. When the rising distance of the threaded sleeve reaches the fourth threshold, the two luggage wheels on the luggage to be inspected contact the synchronous roller. As the luggage to be inspected continues to rise, the two luggage wheels drive the synchronous roller to rise synchronously. When the rising distance of the threaded sleeve reaches the fifth threshold, the luggage wheels arrive at the inspection position. The synchronous roller continues to drive the two luggage wheels to rotate, and at the same time, the light receiver in the detection component continues to receive infrared rays emitted by the light projector in the detection component.

[0021] S5. When the luggage wheel blocks the infrared rays during rotation, the light receiver in the detection component can no longer receive the infrared rays, and the alarm connected to the detection component starts to sound. At this time, the luggage to be tested is unqualified. When the luggage wheel does not block the infrared rays during rotation, the alarm connected to the detection component does not sound. At this time, the luggage to be tested is qualified.

[0022] S6. After the inspection is completed, the first drive motor drives the screw to rotate in the opposite direction. At this time, the bags to be inspected that have completed the inspection are synchronously lowered by the lifting plate. As the threaded sleeve continues to descend, the synchronous rotation mechanism, the anti-jumping clamping mechanism and the lifting and clamping mechanism are reset in succession. At this time, the bags to be inspected that have completed the inspection fall on the conveyor belt again and are output by the conveyor belt. The subsequent bags to be inspected move to the top of the lifting and clamping mechanism, and then repeat the above inspection operation.

[0023] The technical effects and advantages of the present invention are as follows:

[0024] The present invention is provided with a conveyor belt, a dual drive mechanism, a lifting and clamping mechanism, an anti-jumping pressing mechanism and a synchronous rotation mechanism, so as to utilize the conveyor belt to continuously transport multiple bags to be inspected. When the bags to be inspected move to the set position, the dual drive mechanism can drive the lifting and clamping mechanism, thereby causing the lifting and clamping mechanism to drive the bags to be inspected to detach from the conveyor belt while clamping and fixing the conveyor belt. At the same time, in the subsequent process of the lifting and clamping mechanism driving the bags to be inspected to continue to rise, the anti-jumping pressing mechanism can be used to press and fix the bags to be inspected and the synchronous rotation mechanism can be used to effectively drive the bags wheels in the bags to be inspected, thereby facilitating subsequent inspection operations. In addition, after the inspection is completed, the dual drive mechanism and the lifting and clamping mechanism can be used to drive the bags to be inspected to fall onto the conveyor belt again and be output. Compared with the same type of device in the prior art, the present invention has a high degree of automation, and the overall operation process requires very little manpower, which saves manpower and reduces the inspection cost. At the same time, continuous and uninterrupted inspection can be achieved, thereby improving the inspection efficiency, and can be effectively applied to the industrial production inspection of bags. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall front cross-sectional structure of the present invention.

[0026] Figure 2 It is a schematic diagram of a partial top view of the conveyor belt of the present invention.

[0027] Figure 3 It is a front cross-sectional structural diagram of the dual driving mechanism and the lifting and clamping mechanism of the present invention.

[0028] Figure 4 It is a front sectional structural diagram of the anti-jumping pressing mechanism and the synchronous rotation mechanism of the present invention.

[0029] In the figure: 1. Conveyor belt; 2. Bags to be inspected; 3. Base; 4. Shell; 5. Dual drive mechanism; 51. Fixed plate; 52. First drive motor; 53. Screw; 54. First spring; 55. Lifting slider; 56. First push block; 57. Threaded sleeve; 58. Limiting plate; 59. Limiting rod; 6. Lifting and clamping mechanism; 61. Lifting plate; 62. Slide; 63. Clamping plate; 64. Mounting plate; 65. Second spring; 66. Second push block; 67. Connecting slide; 7. Anti-jumping clamping mechanism; 71. Clamping plate; 72. First lifting rod; 73. Third spring; 8. Synchronous rotation mechanism; 81. Second lifting rod; 82. Fourth spring; 83. End plate; 84. Mounting frame; 85. Synchronous roller; 9. Inspection component. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] Example 1

[0032] The present invention provides Figure 1-4 The device shown is a bag wheel coaxiality detection device for bag processing, comprising a conveyor belt 1, on which a plurality of bags 2 to be detected are carried, a base 3 is provided directly below the conveyor belt 1, a shell 4 is fixedly provided on the top of the base 3, the shell 4 is sleeved on the outside of the conveyor belt 1, a dual drive mechanism 5 is fixedly provided on the bottom inside the shell 4, a lifting and clamping mechanism 6 is provided for transmission directly above the dual drive mechanism 5, an anti-jumping clamping mechanism 7 and a synchronous rotation mechanism 8 are provided on the top inside the shell 4, the synchronous rotation mechanism 8 is located on the right side of the anti-jumping clamping mechanism 7, and a detection component 9 is provided below the synchronous rotation mechanism 8.

[0033] It should also be noted that the detection component 9 includes a light projector and a light receiver, which are fixedly arranged on the two side walls inside the shell 4 respectively. The detection component 9 is also connected to an alarm.

[0034] like Figure 3As shown, the dual drive mechanism 5 includes a fixed plate 51, a first drive motor 52, a screw 53, a first spring 54, a lifting slider 55, a first push block 56, a threaded sleeve 57, a limit plate 58 and a limit rod 59, wherein the fixed plate 51 is fixedly arranged on the inner side of the housing 4, the first drive motor 52 is fixedly arranged at the bottom of the fixed plate 51, the screw 53 is located at the top of the fixed plate 51 and is transmission-connected to the first drive motor 52, the first spring 54 is fixedly connected to the top of the screw 53, and the lifting slider 55 is connected to the first push block 56 by the shaft. The bearing is rotatably connected to the top of the first spring 54, the first push block 56 is fixedly connected to the top of the lifting slider 55, the threaded sleeve 57 is sleeved on the outside of the screw 53 and is threadedly connected to the screw 53, the lifting slider 55 is slidably nested on the top inside the threaded sleeve 57, the limit plate 58 is fixedly sleeved on the bottom outside the threaded sleeve 57, and two limit rods 59 are provided. The two limit rods 59 are respectively fixed on both sides of the bottom of the limit plate 58, and both pass through the fixed plate 51 and are slidably connected to the fixed plate 51.

[0035] like Figure 3 As shown, the lifting and clamping mechanism 6 includes a lifting plate 61, a slide 62, a clamping plate 63, a mounting plate 64, a second spring 65, a second push block 66 and a connecting slide rod 67, wherein the lifting plate 61 is fixedly sleeved on the top of the outer side of the threaded sleeve 57, and two of the slide 62, the clamping plate 63, the mounting plate 64, the second spring 65, the second push block 66 and the connecting slide rod 67 are provided. The two slide grooves 62 are respectively opened on both sides of the top of the lifting plate 61, and the two clamping plates 63 are respectively slidably set in the two slide grooves 62 On the other side, the two mounting plates 64 are fixedly arranged on both sides of the bottom of the lifting plate 61, one end of the two second springs 65 is fixedly connected to the adjacent mounting plate 64 and the other end is fixedly connected to the adjacent clamping plate 63, the two second push blocks 66 are slidably arranged on both sides of the inside of the lifting plate 61, and both are in contact with the first push block 56, the two connecting slide rods 67 are slidably arranged on both sides of the inside of the lifting plate 61, one end of the connecting slide rod 67 is fixedly connected to the adjacent clamping plate 63 and the other end is fixedly connected to the adjacent second push block 66.

[0036] By setting the above structure, when the lifting plate 61 rises, the second push block 66 is driven to gradually separate from the first push block 56. At this time, under the pull of the second spring 65, the clamping plate 63 slides inside the slide groove 62, thereby completing the clamping of the bag 2 to be inspected. As the lifting plate 61 continues to rise, the first push block 56 relatively descends inside the lifting plate 61. When the first push block 56 cannot descend due to the obstruction of the threaded sleeve 57, the first spring 54 is stretched during the subsequent rising process of the lifting plate 61.

[0037] like Figure 4As shown, the anti-jumping clamping mechanism 7 includes a clamping plate 71, a first lifting rod 72 and a third spring 73, wherein the clamping plate 71 is located at the top inner side of the shell 4, and two of the first lifting rods 72 and the third spring 73 are provided. The two first lifting rods 72 are respectively slid through and arranged on both sides of the top of the shell 4, and are both fixedly connected to the clamping plate 71, and the two third springs 73 are respectively sleeved on the outside of the two first lifting rods 72, and one end of the third spring 73 is fixedly connected to the clamping plate 71 and the other end is fixedly connected to the inner wall of the shell 4.

[0038] By setting up the above structure, when the bag to be inspected 2 rises, the pressing plate 71 can be pressed on the top of the bag to be inspected 2. As the bag to be inspected 2 continues to rise, the pressing plate 71 drives the first lifting rod 72 to move upward and compresses the third spring 73. At this time, the pressing plate 71 can press the bag to be inspected 2 under the push of the third spring 73.

[0039] like Figure 4 As shown, the synchronous rotation mechanism 8 includes a second lifting rod 81, a fourth spring 82, an end plate 83, a mounting bracket 84 and a synchronous roller 85, wherein the second lifting rod 81 is slidably penetrated and arranged on the top right side of the shell 4, the fourth spring 82 is sleeved on the outer top of the second lifting rod 81, the end plate 83 is fixedly set on the top of the second lifting rod 81, the mounting bracket 84 is fixedly set at the bottom end of the second lifting rod 81, the synchronous roller 85 is rotatably nested and arranged on the inner side of the mounting bracket 84, and the rear side of the mounting bracket 84 is fixedly provided with a second drive motor that is transmission-connected to the synchronous roller 85.

[0040] By setting up the above structure, when the luggage wheel pushes the synchronous roller 85, the synchronous roller 85 can drive the second lifting rod 81 to move upward through the mounting frame 84, so that the luggage wheel finally reaches the detection position on one side of the detection component 9. In addition, the second drive motor can drive the synchronous roller 85, so that the synchronous roller 85 drives the two luggage wheels to rotate.

[0041] Example 2

[0042] The present invention also discloses a method for detecting the coaxiality of luggage wheels used in luggage processing, which specifically comprises the following steps:

[0043] S1. Use the conveyor belt 1 to transport multiple bags 2 to be inspected. When the bags 2 to be inspected move to the top of the lifting clamping mechanism 6, the first drive motor 52 drives the screw 53 to rotate. The rotation of the screw 53 drives the threaded sleeve 57 to rise, and at the same time, the first spring 54 and the lifting slider 55 gradually drive the first push block 56 to descend.

[0044] S2: When the threaded sleeve 57 rises, the lifting plate 61 is driven to rise synchronously. When the first push block 56 descends, the limit of the second push block 66 is released. The second spring 65 pulls the clamping plate 63, thereby moving the two clamping plates 63 toward each other. When the rising distance of the threaded sleeve 57 reaches the first threshold, the lifting plate 61 lifts the bag 2 to be inspected and lifts it from the conveyor belt 1. When the rising distance of the threaded sleeve 57 reaches the second threshold, the two clamping plates 63 clamp and fix the bag 2 to be inspected.

[0045] S3: The threaded sleeve 57 continues to drive the lifting plate 61 upward. At this time, the first push block 56 cannot continue to descend due to the obstruction of the threaded sleeve 57. During the subsequent upward movement of the threaded sleeve 57, the first spring 54 is gradually stretched. When the upward movement of the threaded sleeve 57 reaches the third threshold, the bag 2 to be inspected on the top of the lifting plate 61 contacts the pressing plate 71 under the push of the lifting plate 61, and pushes the lifting plate 61 during the subsequent upward movement.

[0046] S4. When the rising distance of the threaded sleeve 57 reaches the fourth threshold, the two luggage wheels on the luggage 2 to be inspected contact the synchronous roller 85. As the luggage 2 to be inspected continues to rise, the two luggage wheels drive the synchronous roller 85 to rise synchronously. When the rising distance of the threaded sleeve 57 reaches the fifth threshold, the luggage wheels arrive at the inspection position. The synchronous roller 85 continues to drive the two luggage wheels to rotate, and at the same time, the light receiver in the detection component 9 continues to receive the infrared light emitted by the light projector in the detection component 9.

[0047] S5. When the luggage wheel blocks the infrared rays during rotation, the light receiver in the detection component 9 can no longer receive the infrared rays, and the alarm connected to the detection component 9 starts to sound. At this time, the luggage 2 to be tested is unqualified. When the luggage wheel does not block the infrared rays during rotation, the alarm connected to the detection component 9 does not sound. At this time, the luggage 2 to be tested is qualified.

[0048] S6. After the inspection is completed, the first drive motor 52 drives the screw 53 to rotate in the opposite direction. At this time, the bags to be inspected 2 that have completed the inspection are synchronously lowered by the lifting plate 61. As the threaded sleeve 57 continues to descend, the synchronous rotation mechanism 8, the anti-jumping clamping mechanism 7 and the lifting and clamping mechanism 6 are reset in succession. At this time, the bags to be inspected 2 that have completed the inspection fall on the conveyor belt 1 again and are output by the conveyor belt 1. The subsequent bags to be inspected 2 move to the top of the lifting and clamping mechanism 6, and then the above-mentioned inspection operation is repeated.

[0049] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A luggage wheel coaxiality detection device for luggage processing, characterized by: It includes a conveyor belt, which carries a plurality of bags to be inspected, a base is provided directly below the conveyor belt, a shell is fixedly provided on the top of the base, the shell is sleeved and provided on the outside of the conveyor belt, a dual drive mechanism is fixedly provided on the bottom inside the shell, a lifting and clamping mechanism is provided directly above the dual drive mechanism, an anti-jumping clamping mechanism and a synchronous rotation mechanism are provided on the top inside the shell, the synchronous rotation mechanism is located on the right side of the anti-jumping clamping mechanism, and a detection component is provided below the synchronous rotation mechanism; The dual drive mechanism includes a fixed plate, a first drive motor, a screw, a first spring, a lifting slider, a first push block and a threaded sleeve; The fixing plate is fixedly arranged on the inner side of the shell, the first driving motor is fixedly arranged on the bottom of the fixing plate, the screw is located on the top of the fixing plate and is transmission-connected to the first driving motor, the first spring is fixedly connected to the top of the screw, the lifting slider is rotatably connected to the top of the first spring through a bearing, the first push block is fixedly connected to the top of the lifting slider, the threaded sleeve is sleeved on the outside of the screw and is threadedly connected to the screw, and the lifting slider is slidably nested in the top of the inner side of the threaded sleeve; The lifting and clamping mechanism includes a lifting plate, a sliding groove, a clamping plate, a mounting plate, a second spring, a second push block and a connecting slide rod; The lifting plate is fixedly sleeved and arranged at the top outside the threaded sleeve, and the sliding groove, clamping plate, mounting plate, second spring, second push block and connecting slide rod are all provided with two, the two sliding grooves are respectively opened at both sides of the top of the lifting plate, the two clamping plates are respectively slidably arranged on the inner sides of the two sliding grooves, the two mounting plates are respectively fixedly arranged on both sides of the bottom of the lifting plate, one end of the two second springs is fixedly connected to the adjacent mounting plate and the other end is fixedly connected to the adjacent clamping plate, the two second push blocks are respectively slidably arranged on both sides of the inside of the lifting plate and both are in contact with the first push block, the two connecting slide rods are slidably arranged on both sides of the inside of the lifting plate, one end of the connecting slide rod is fixedly connected to the adjacent clamping plate and the other end is fixedly connected to the adjacent second push block.

2. The device for detecting the coaxiality of luggage wheels for luggage processing according to claim 1, characterized in that: The dual drive mechanism further includes a limiting plate and a limiting rod.

3. The device for detecting the coaxiality of luggage wheels for luggage processing according to claim 2, characterized in that: The limiting plate is fixedly sleeved on the outer bottom of the threaded sleeve, and two limiting rods are provided. The two limiting rods are respectively fixedly arranged on both sides of the bottom of the limiting plate, and both pass through the fixing plate and are slidably connected to the fixing plate.

4. The device for detecting the coaxiality of luggage wheels for luggage processing according to claim 3, characterized in that: The anti-jumping pressing mechanism includes a pressing plate, a first lifting rod and a third spring; The clamping plate is located at the top inner side of the shell, and two of the first lifting rods and the third springs are provided. The two first lifting rods are respectively slid through and arranged on both sides of the top of the shell, and are both fixedly connected to the clamping plate. The two third springs are respectively sleeved on the outside of the two first lifting rods, and one end of the third spring is fixedly connected to the clamping plate and the other end is fixedly connected to the inner wall of the shell.

5. The device for detecting the coaxiality of luggage wheels for luggage processing according to claim 4, characterized in that: The synchronous rotation mechanism includes a second lifting rod, a fourth spring, an end plate, a mounting frame and a synchronous roller.

6. The device for detecting the coaxiality of luggage wheels for luggage processing according to claim 5, characterized in that: The second lifting rod is slidingly penetrated and arranged on the right side of the top of the shell, the fourth spring is sleeved on the top of the outer side of the second lifting rod, the end plate is fixedly arranged on the top of the second lifting rod, the mounting bracket is fixedly arranged on the bottom end of the second lifting rod, the synchronous roller is rotatably nested and arranged on the inner side of the mounting bracket, and the rear side of the mounting bracket is fixedly provided with a second driving motor that is transmission-connected to the synchronous roller.

7. The coaxiality detection method of the bag wheel coaxiality detection device for bag processing according to claim 6, characterized in that: The specific steps include: S1. Use a conveyor belt to transport multiple bags to be inspected. When the bags to be inspected move to the top of the lifting and clamping mechanism, the first drive motor drives the screw to rotate. The screw rotates and drives the threaded sleeve to rise. At the same time, the first spring and the lifting slider gradually drive the first push block to descend. S2: When the threaded sleeve rises, the lifting plate is driven to rise synchronously. When the first push block descends, the limit of the second push block is released. The second spring pulls the clamping plate, thereby moving the two clamping plates toward each other. When the rising distance of the threaded sleeve reaches the first threshold, the lifting plate is lifted and the bag to be inspected is lifted from the conveyor belt. When the rising distance of the threaded sleeve reaches the second threshold, the two clamping plates clamp and fix the bag to be inspected. S3: The threaded sleeve continues to drive the lifting plate upward. At this time, the first push block cannot continue to descend due to the obstruction of the threaded sleeve. As the threaded sleeve rises, the first spring is gradually stretched. When the rising distance of the threaded sleeve reaches the third threshold, the bag to be inspected on the top of the lifting plate contacts the pressing plate under the push of the lifting plate, and pushes the lifting plate as it continues to rise. S4. When the rising distance of the threaded sleeve reaches the fourth threshold, the two luggage wheels on the luggage to be inspected contact the synchronous roller. As the luggage to be inspected continues to rise, the two luggage wheels drive the synchronous roller to rise synchronously. When the rising distance of the threaded sleeve reaches the fifth threshold, the luggage wheels arrive at the inspection position. The synchronous roller continues to drive the two luggage wheels to rotate, and at the same time, the light receiver in the detection component continues to receive infrared rays emitted by the light projector in the detection component. S5. When the luggage wheel blocks the infrared rays during rotation, the light receiver in the detection component can no longer receive the infrared rays, and the alarm connected to the detection component starts to sound. At this time, the luggage to be tested is unqualified. When the luggage wheel does not block the infrared rays during rotation, the alarm connected to the detection component does not sound. At this time, the luggage to be tested is qualified. S6. After the inspection is completed, the first drive motor drives the screw to rotate in the opposite direction. At this time, the bags to be inspected that have completed the inspection are synchronously lowered by the lifting plate. As the threaded sleeve continues to descend, the synchronous rotation mechanism, the anti-jumping clamping mechanism and the lifting and clamping mechanism are reset in succession. At this time, the bags to be inspected that have completed the inspection fall on the conveyor belt again and are output by the conveyor belt. The subsequent bags to be inspected move to the top of the lifting and clamping mechanism, and then repeat the above inspection operation.

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