Bottle blank and bottle cap detection machine

Abstract

The utility model relates to a bottle blank and bottle cap detection machine, which comprises a detection platform (10), a plurality of stations, a detection device and a transfer device, the plurality of stations are configured to place bottle blanks or bottle caps, the detection device is configured to detect the appearance quality, size or weight of the bottle blanks and / or the bottle caps, and the transfer device is configured to transfer the bottle blanks or the bottle caps to the detection platform (10). The transferring device is configured to convey the bottle blanks and / or the bottle caps to the stations. The detection machine provided by the utility model can realize automatic detection of bottle blanks or bottle caps, and effectively improves the detection efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of detection equipment, in particular to a preform and cap detection machine. Background Art

[0002] In the production process of preforms and caps, it is necessary to detect their physical properties such as appearance, size, weight, stress, etc. (not limited to these items) to ensure that the products meet the standards.

[0003] The current detection methods mainly rely on manual detection, with low detection efficiency and high costs.

[0004] It should be noted that the information disclosed in the background art part of the present utility model is only intended to increase the understanding of the overall background of the present utility model, and should not be regarded as an admission or any form of suggestion that this information constitutes the prior art known to those skilled in the art. The above statements are only used to provide background technical information related to the present utility model, and do not necessarily constitute the prior art. Summary of the Utility Model

[0005] An embodiment of the present utility model provides a preform and cap detection machine, which can effectively improve the detection efficiency.

[0006] According to one aspect of the present utility model, there is provided a preform and cap detection machine, comprising:

[0007] A detection platform;

[0008] A plurality of workstations configured to place preforms or caps;

[0009] A detection device configured to detect the appearance quality, size or weight of preforms and / or caps; and

[0010] A transfer device configured to transport preforms and / or caps to the workstations.

[0011] In some embodiments, the plurality of workstations include a first workstation configured to place preforms or caps, and the detection device includes a first detection device configured to detect the appearance quality of the blank outlet and the outside of the blank bottom of the preform located on the first workstation, identify the mold number of the preform, as well as the thread outer diameter, lock ring outer diameter, blank outlet outer diameter, lock ring height, blank outlet height and blank thickness difference of the preform, or the first detection device is configured to detect the appearance quality of the outer side of the cap located on the first workstation, as well as the anti-slip tooth outer diameter, maximum outer diameter, cap height and ovality measurement of the cap.

[0012] In some embodiments, the multiple workstations include a second workstation and a third workstation, and the detection device includes a second detection device and a third detection device. Both the second workstation and the third workstation are configured to place preforms or bottle caps. The second detection device is configured to detect the appearance quality of the bottom and the end face of the mouth of the preform located on the second workstation and the inner diameter of the mouth of the preform, or to detect the appearance quality of the inner side of the mouth of the cap and the top of the cap located on the second workstation. The third detection device is configured to detect the appearance quality of the bottom and the end face of the mouth of the preform located on the third workstation and the inner diameter of the mouth of the preform, or to detect the appearance quality of the inner side of the mouth of the cap and the top of the cap located on the third workstation.

[0013] In some embodiments, the multiple workstations include a fourth workstation and a fifth workstation, and the detection device includes a fourth detection device and a fifth detection device. Both the fourth workstation and the fifth workstation are configured to place preforms or bottle caps. The fourth detection device is configured to detect the weight of the preform or the bottle cap located on the fourth workstation, and the fifth detection device is configured to detect the weight of the preform or the bottle cap located on the fifth workstation.

[0014] In some embodiments, the multiple workstations include a sixth workstation and a seventh workstation, and the detection device includes a sixth detection device and a seventh detection device. Both the sixth workstation and the seventh workstation are configured to place bottle caps. The sixth detection device is configured to detect the outer diameter of the inner plug, the inner diameter of the bayonet and the mold number of the bottle cap located on the sixth workstation, and the seventh detection device is configured to detect the appearance quality of the inner side of the mouth of the cap and the top diameter of the thread of the bottle cap located on the seventh workstation.

[0015] In some embodiments, the multiple workstations include a good product workstation and a defective product workstation. The good product workstation is used to store good products that meet the preset standards after being detected, and the defective product workstation is used to store defective products that do not meet the preset standards after being detected.

[0016] In some embodiments, the multiple workstations include a first workstation, a second workstation, a fourth workstation, a first good product workstation, and a first defective product workstation. The first workstation, the second workstation, the fourth workstation, and the first good product workstation are all arranged on the first side of a preset center line, and the first defective product workstation is set on the preset center line. The detection device includes a first detection device, a second detection device, and a fourth detection device. The first detection device is configured to detect the appearance quality of the blank outlet and the outer bottom of the preform located at the first workstation, identify the mold number of the preform, as well as the thread outer diameter, lock ring outer diameter, blank outlet outer diameter, lock ring height, blank outlet height, and blank thickness difference of the preform, or detect the appearance quality of the outer side of the bottle cap located at the first workstation, as well as the anti-slip tooth outer diameter, maximum outer diameter, bottle cap height, and ovality measurement of the bottle cap. The second detection device is configured to detect the appearance quality of the bottom and the end face of the blank mouth of the preform located at the second workstation, as well as the inner diameter of the blank mouth of the preform, or detect the appearance quality of the inner side of the cap mouth and the cap top of the bottle cap located at the second workstation. The fourth detection device is configured to detect the weight of the preform or the bottle cap located at the fourth workstation.

[0017] In some embodiments, the multiple workstations include a first workstation, a third workstation, a fifth workstation, a sixth workstation, a seventh workstation, a second good product workstation, and a first defective product workstation. The first workstation, the sixth workstation, and the seventh workstation are all arranged on the first side of a preset center line, the third workstation, the fifth workstation, and the second good product workstation are all arranged on the second side of the preset center line, and the first defective product workstation is set on the preset center line. The detection device includes a first detection device, a third detection device, a fifth detection device, a sixth detection device, and a seventh detection device. The first detection device is configured to detect the appearance quality of the blank outlet and the outer bottom of the preform located at the first workstation, identify the mold number of the preform, as well as the thread outer diameter, lock ring outer diameter, blank outlet outer diameter, lock ring height, blank outlet height, and blank thickness difference of the preform, or detect the appearance quality of the outer side of the bottle cap located at the first workstation, as well as the anti-slip tooth outer diameter, maximum outer diameter, bottle cap height, and ovality measurement of the bottle cap. The sixth detection device is configured to detect the inner plug outer diameter, bayonet inner diameter, and mold number of the bottle cap located at the sixth workstation. The seventh detection device is configured to detect the appearance quality of the inner side of the cap mouth and the thread top diameter of the bottle cap located at the seventh workstation. The third detection device is configured to detect the appearance quality of the bottom and the end face of the blank mouth of the preform located at the third workstation, as well as the inner diameter of the blank mouth of the preform, or detect the appearance quality of the inner side of the cap mouth and the cap top of the bottle cap located at the third workstation. The fifth detection device is configured to detect the weight of the preform or the bottle cap located at the fifth workstation.

[0018] In some embodiments, the preform and bottle cap detection machine further includes a loading device arranged on the detection platform, and the loading device is used to store multiple preforms or multiple bottle caps.

[0019] In some embodiments, the preform and cap inspection machine further includes a commutation device configured to adjust the orientation of the preform or the cap.

[0020] In some embodiments, the transfer device includes a first transfer device for conveying preforms. The multiple workstations include an eleventh workstation, a twelfth workstation, and a thirteenth workstation. The first transfer device communicates with the eleventh workstation, the twelfth workstation, and the thirteenth workstation. The inspection device includes an eleventh inspection device, a twelfth inspection device, and a thirteenth inspection device located on the first side of the first transfer device. The eleventh inspection device is configured to inspect the inner diameter of the preform mouth and the appearance quality of the preform mouth of the preform located at the eleventh workstation. The twelfth inspection device is configured to inspect the appearance quality of the preform bottom of the preform located at the twelfth workstation. The thirteenth inspection device is configured to inspect the thread appearance quality, mold number, and stress lines on the preform body of the preform located at the thirteenth workstation.

[0021] In some embodiments, the transfer device includes a first transfer device for conveying preforms. The multiple workstations include a fourteenth workstation and a fifteenth workstation. The first transfer device communicates with the fourteenth workstation and the fifteenth workstation. The inspection device includes a fourteenth inspection device and a fifteenth inspection device located on the second side of the first transfer device. The fourteenth inspection device is configured to inspect the outer diameter of the preform mouth, the outer diameter of the thread, the outer diameter of the lock ring, the height of the lock ring, and the height of the preform mouth of the preform located at the fourteenth workstation. The fifteenth inspection device is configured to inspect the appearance of the preform body and the wall thickness of the preform of the preform located at the fifteenth workstation.

[0022] In some embodiments, the transfer device includes a second transfer device. The multiple workstations include a sixteenth workstation configured to place preforms or caps. The inspection device includes a sixteenth inspection device configured to inspect the weight of the preforms or caps located at the sixteenth workstation. The inspection platform is provided with a through hole, and the second transfer device is arranged below the through hole and configured to receive the preforms or caps falling from the through hole and convey the preforms or caps to the sixteenth workstation.

[0023] In some embodiments, the transfer device includes a third conveying device for conveying bottle caps. The plurality of workstations include a seventeenth workstation, an eighteenth workstation, a nineteenth workstation, a twentieth workstation, a twenty-first workstation, and a twenty-second workstation. The third conveying device communicates with the seventeenth workstation, the eighteenth workstation, the nineteenth workstation, the twentieth workstation, the twenty-first workstation, and the twenty-second workstation. The detection device includes a fourteenth detection device, a seventeenth detection device, an eighteenth detection device, a nineteenth detection device, a twentieth detection device, and a twenty-first detection device. The seventeenth detection device and the twenty-first detection device are arranged between the third conveying device and the first conveying device. The fourteenth detection device, the eighteenth detection device, the nineteenth detection device, and the twentieth detection device are arranged on the side of the third conveying device away from the first conveying device. The seventeenth detection device is configured to detect the appearance quality of the cap surface of the bottle cap located at the seventeenth workstation. The eighteenth detection device is configured to detect the outer diameter of the inner plug, the inner diameter of the thread, the mold number, and the appearance quality of the cap opening and the inner bottom of the bottle cap located at the eighteenth workstation. The nineteenth detection device is configured to detect the appearance quality of the inner side wall of the bottle cap located at the nineteenth workstation. The twentieth detection device is configured to detect the inner diameter of the thread, the cap surface thickness, and the height of the inner plug of the bottle cap located at the twentieth workstation. The fourteenth detection device is configured to detect the anti-slip line diameter, the height of the bottle cap, and the maximum diameter of the bottle cap located at the twenty-first workstation. The twenty-first detection device is configured to detect the appearance quality of the outer side surface of the bottle cap located at the twenty-second workstation.

[0024] In some embodiments, the conveying direction of the third conveying device is parallel to the conveying direction of the first conveying device.

[0025] Based on the above technical solutions, the utility model can realize the automatic detection of the appearance quality, size or weight of preforms and / or bottle caps by setting the detection device, thereby effectively improving the detection efficiency; by setting the transfer device, the conversion of preforms and / or bottle caps between multiple workstations can be realized, and the preforms and / or bottle caps can be transferred from one workstation to another workstation, further improving the automation of the detection machine, reducing manual participation, and lowering the labor cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings described herein are used to provide a further understanding of the utility model and constitute a part of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an improper limitation of the utility model. In the drawings:

[0027] Figure 1 It is a schematic structural diagram of an embodiment of the preform and bottle cap detection machine provided by the utility model.

[0028] Figure 2 It is a schematic structural diagram of another embodiment of the preform and bottle cap detection machine provided by the utility model.

[0029] In the figure:

[0030] 10. Detection platform; 11. First station; 12. Second station; 13. Third station; 14. Fourth station; 15. Fifth station; 16. Sixth station; 17. Seventh station; 20. First loading device; 21. First reversing device; 22. Second reversing device; 23. Third reversing device; 31. First good product station; 32. Second good product station; 33. First defective product station; 41. First manipulator;

[0031] 51. Eleventh detection device; 52. Twelfth detection device; 53. Thirteenth detection device; 54. Fourteenth detection device; 55. Fifteenth detection device; 56. Sixteenth detection device; 57. Seventeenth detection device; 58. Eighteenth detection device; 59. Nineteenth detection device; 60. Twentieth detection device; 61. Twenty - first detection device; 71. First conveying device; 72. Third conveying device; 30. Through - hole; 34. Third good product station; 35. Second defective product station; 40. Second loading device; 42. Second manipulator; 43. First fixture; 44. Second fixture; 45. Third fixture. Detailed implementation manner

[0032] Next, the technical solutions in the embodiments will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0033] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "center", "horizontal", "vertical", "front", "rear", "left", "right", "up", "down", "upright", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of protection of the present invention.

[0034] Refer to Figure 1 and Figure 2As shown, in some embodiments of the preform and cap inspection machine provided by the present utility model, the inspection machine includes an inspection platform 10, a plurality of workstations, an inspection device, and a transfer device. The plurality of workstations are configured to place preforms or caps. The inspection device is configured to inspect the appearance quality, dimensions, or weight of the preforms and / or caps. The transfer device is configured to transport the preforms and / or caps to the workstations.

[0035] By providing the inspection device, automatic inspection of the appearance quality, dimensions, or weight of the preforms and / or caps can be achieved, thereby effectively improving the inspection efficiency.

[0036] By providing the transfer device, conversion of the preforms and / or caps between multiple workstations can be achieved, transporting the preforms and / or caps from one workstation to another, further improving the automation of the inspection machine, reducing manual participation, and lowering labor costs.

[0037] Moreover, some of the multiple workstations provided on the inspection platform 10 can place preforms, some can place caps, or some workstations can place both preforms and caps; the inspection device can inspect both preforms and caps; the transfer device can transfer both preforms and caps. Therefore, the inspection machine provided by the present utility model can be used for both preform inspection and cap inspection, effectively expanding the usage range of the inspection machine and improving its usage value.

[0038] As Figure 1 shown, in some embodiments, the plurality of workstations include a first workstation 11. The first workstation 11 is configured to place preforms or caps. The inspection device includes a first inspection device. The first inspection device is configured to inspect the appearance quality of the blank outlet and the outside of the blank bottom of the preform located on the first workstation 11, identify the mold number of the preform, as well as the thread outer diameter, lock ring outer diameter, blank outlet outer diameter, lock ring height, blank outlet height, and blank thickness difference of the preform. Alternatively, the first inspection device is configured to inspect the appearance quality of the outer side of the cap located on the first workstation 11, as well as the anti-slip tooth outer diameter, maximum outer diameter, cap height, and ovality measurement of the cap.

[0039] On the first workstation 11, the first inspection device can complete some inspections on both preforms and caps, thereby saving the number of workstations provided on the inspection platform 10, saving occupied space, and simplifying the workstation layout.

[0040] In some embodiments, the multiple workstations include a second workstation 12 and a third workstation 13, the detection device includes a second detection device and a third detection device, both the second workstation 12 and the third workstation 13 are configured to place preforms or bottle caps, the second detection device is configured to detect the appearance quality of the bottom and the end face of the mouth of the preform located on the second workstation 12 and the inner diameter of the mouth of the preform, or detect the appearance quality of the inner side of the mouth of the cap and the top of the cap located on the second workstation 12; the third detection device is configured to detect the appearance quality of the bottom and the end face of the mouth of the preform located on the third workstation 13 and the inner diameter of the mouth of the preform, or detect the appearance quality of the inner side of the mouth of the cap and the top of the cap located on the third workstation 13.

[0041] Both the second workstation 12 and the third workstation 13 can detect preforms or bottle caps. By setting the second workstation 12 and the third workstation 13, multiple detection paths can be formed, effectively improving the detection efficiency.

[0042] In some embodiments, the multiple workstations include a fourth workstation 14 and a fifth workstation 15, the detection device includes a fourth detection device and a fifth detection device, both the fourth workstation 14 and the fifth workstation 15 are configured to place preforms or bottle caps, the fourth detection device is configured to detect the weight of the preform or bottle cap located on the fourth workstation 14, and the fifth detection device is configured to detect the weight of the preform or bottle cap located on the fifth workstation 15.

[0043] Both the fourth workstation 14 and the fifth workstation 15 can detect the weights of preforms and bottle caps, providing independent weight detection workstations for different detection paths and avoiding the problem that the weight of preforms and bottle caps cannot be detected simultaneously when the detection machine detects preforms and bottle caps at the same time.

[0044] In some embodiments, the multiple workstations include a sixth workstation 16 and a seventh workstation 17, the detection device includes a sixth detection device and a seventh detection device, both the sixth workstation 16 and the seventh workstation 17 are configured to place bottle caps, the sixth detection device is configured to detect the outer diameter of the inner plug, the inner diameter of the bayonet and the mold number of the bottle cap located on the sixth workstation 16, and the seventh detection device is configured to detect the appearance quality of the inner side of the mouth of the cap and the top diameter of the thread of the bottle cap located on the seventh workstation 17.

[0045] By setting the sixth workstation 16 and the seventh workstation 17, some parameters of the bottle cap can be detected, meeting the requirements of more parameters to be detected for the bottle cap.

[0046] In some embodiments, the multiple workstations include a good product workstation and a defective product workstation. The good product workstation is used to store good products that meet the preset standards after detection, and the defective product workstation is used to store defective products that do not meet the preset standards after detection.

[0047] By setting up a good product station and a defective product station, the good products and defective products of the preforms or bottle caps can be classified in a timely manner according to the detection results after detection, preventing unqualified products from being mixed into qualified products, achieving the purpose of removing unqualified products from qualified products, and thus effectively improving product quality.

[0048] In some embodiments, the multiple stations include a first station 11, a second station 12, a fourth station 14, a first good product station 31, and a first defective product station 33. The first station 11, the second station 12, the fourth station 14, and the first good product station 31 are all arranged on the first side of a preset center line, and the first defective product station 33 is provided on the preset center line. The detection device includes a first detection device, a second detection device, and a fourth detection device. The first detection device is configured to detect the appearance quality of the blank outlet and the outer bottom of the preform located on the first station 11, identify the mold number of the preform, as well as the thread outer diameter, lock ring outer diameter, blank outlet outer diameter, lock ring height, blank outlet height, and blank thickness difference of the preform, or detect the appearance quality of the outer side of the bottle cap located on the first station 11, as well as the anti-slip tooth outer diameter, maximum outer diameter, bottle cap height, and ovality measurement of the bottle cap. The second detection device is configured to detect the appearance quality of the bottom and the end face of the blank mouth of the preform located on the second station 12, as well as the inner diameter of the blank mouth of the preform, or detect the appearance quality of the inner side of the cap mouth and the cap top of the bottle cap located on the second station 12. The fourth detection device is configured to detect the weight of the preform or bottle cap located on the fourth station 14.

[0049] By setting up the first station 11, the second station 12, the fourth station 14, the first good product station 31, and the first defective product station 33, a path for detecting preforms or bottle caps can be formed.

[0050] In some embodiments, the multiple workstations include a first workstation 11, a third workstation 13, a fifth workstation 15, a sixth workstation 16, a seventh workstation 17, a second good product workstation 32, and a first defective product workstation 33. The first workstation 11, the sixth workstation 16, and the seventh workstation 17 are all arranged on the first side of a preset center line. The third workstation 13, the fifth workstation 15, and the second good product workstation 32 are all arranged on the second side of the preset center line. The first defective product workstation 33 is disposed on the preset center line. The detection device includes a first detection device, a third detection device, a fifth detection device, a sixth detection device, and a seventh detection device. The first detection device is configured to detect the appearance quality of the blank outlet and the outer bottom of the preform located on the first workstation 11, identify the mold number of the preform, as well as the thread outer diameter, lock ring outer diameter, blank outlet outer diameter, lock ring height, blank outlet height, and blank thickness difference of the preform, or detect the appearance quality of the outer side of the bottle cap located on the first workstation 11, as well as the anti-slip tooth outer diameter, maximum outer diameter, bottle cap height, and ovality measurement of the bottle cap. The sixth detection device is configured to detect the inner plug outer diameter, bayonet inner diameter, and mold number of the bottle cap located on the sixth workstation 16. The seventh detection device is configured to detect the appearance quality of the inner side of the cap mouth of the bottle cap located on the seventh workstation 17 and the thread top diameter of the bottle cap. The third detection device is configured to detect the appearance quality of the bottom and the blank outlet end face of the preform located on the third workstation 13, as well as the blank outlet inner diameter of the preform, or detect the appearance quality of the inner side of the cap mouth and the cap top of the bottle cap located on the third workstation 13. The fifth detection device is configured to detect the weight of the preform or the bottle cap located on the fifth workstation 15.

[0051] By providing the first workstation 11, the third workstation 13, the fifth workstation 15, the sixth workstation 16, the seventh workstation 17, the second good product workstation 32, and the first defective product workstation 33, another path for detecting preforms or bottle caps can be formed. Among them, the sixth workstation 16 and the seventh workstation 17 can be only used for bottle cap detection.

[0052] In some embodiments, the preform and bottle cap detection machine further includes a loading device disposed on the detection platform 10, and the loading device is used to store multiple preforms or multiple bottle caps.

[0053] By providing the loading device, multiple preforms or multiple bottle caps can be stored. Before detection, multiple preforms or multiple bottle caps to be detected can be placed on the loading device at one time, and then the detection device can be started to perform various detections on the multiple preforms or multiple bottle caps in sequence. Placing multiple preforms or multiple bottle caps on the loading device at one time can reduce repetitive operations and improve the detection effect.

[0054] In some embodiments, the loading device includes a first loading device 20 for storing preforms and a second loading device 40 for storing bottle caps.

[0055] In some embodiments, the preform and cap inspection machine further includes a reversing device configured to adjust the orientation of the preform or the cap.

[0056] By providing the reversing device, the orientation of the preform or the cap can be adjusted so that the preform or the cap can meet the inspection requirements of the inspection device. At the same time, the requirements for the arrangement position and orientation of the inspection device can be reduced, and the flexibility of the arrangement position and orientation of the inspection device can be improved.

[0057] As Figure 2 shown, in some embodiments, the transfer device includes a first transfer device 71 for conveying preforms. The plurality of workstations include an eleventh workstation, a twelfth workstation, and a thirteenth workstation. The first transfer device 71 communicates with the eleventh workstation, the twelfth workstation, and the thirteenth workstation. The inspection device includes an eleventh inspection device 51, a twelfth inspection device 52, and a thirteenth inspection device 53 located on the first side of the first transfer device 71. The eleventh inspection device 51 is configured to inspect the inner diameter of the preform mouth and the appearance quality of the preform mouth of the preform located at the eleventh workstation. The twelfth inspection device 52 is configured to inspect the appearance quality of the preform bottom of the preform located at the twelfth workstation. The thirteenth inspection device 53 is configured to inspect the appearance quality of the thread, the mold number, and the stress lines on the preform body of the preform located at the thirteenth workstation.

[0058] By providing the eleventh workstation, the twelfth workstation, and the thirteenth workstation, the inspection of some parameters of the preform can be realized. At the same time, by providing different workstations, different inspection requirements can be met, corresponding to different inspection devices.

[0059] By providing the first transfer device 71, the preform can be driven to reach the eleventh workstation, the twelfth workstation, and the thirteenth workstation in sequence, realizing the series connection of the eleventh workstation, the twelfth workstation, and the thirteenth workstation, and there is no need to provide other transfer devices.

[0060] In some embodiments, the transfer device includes a first transfer device 71 for conveying preforms. The plurality of workstations include a fourteenth workstation and a fifteenth workstation. The first transfer device 71 communicates with the fourteenth workstation and the fifteenth workstation. The inspection device includes a fourteenth inspection device 54 and a fifteenth inspection device 55 located on the second side of the first transfer device 71. The fourteenth inspection device 54 is configured to inspect the outer diameter of the preform mouth, the outer diameter of the thread, the outer diameter of the lock ring, the height of the lock ring, and the height of the preform mouth of the preform located at the fourteenth workstation. The fifteenth inspection device 55 is configured to inspect the appearance of the preform body and the wall thickness of the preform of the preform located at the fifteenth workstation.

[0061] By providing the fourteenth workstation and the fifteenth workstation, the inspection of some other parameters of the preform can be realized. At the same time, by providing different workstations, different inspection requirements can be met, corresponding to different inspection devices.

[0062] When inspecting the preforms, the inspection sequence of the preforms is: the eleventh station, the twelfth station, the thirteenth station, the fourteenth station, and the fifteenth station.

[0063] In some embodiments, the transfer device includes a second conveying device, the plurality of stations includes a sixteenth station, the sixteenth station is configured to place the preform or the bottle cap, the inspection device includes a sixteenth inspection device 56, and the sixteenth inspection device 56 is configured to inspect the weight of the preform or the bottle cap located at the sixteenth station. The inspection platform 10 is provided with a through hole 30, the second conveying device is arranged below the through hole 30, and the second conveying device is configured to receive the preform or the bottle cap falling from the through hole 30 and convey the preform or the bottle cap to the sixteenth station.

[0064] By providing the second conveying device, it is possible to support the arrangement of the sixteenth station outside the inspection platform 10, thereby reserving space for other stations on the inspection platform 10 and also facilitating the reduction of the size of the inspection platform 10.

[0065] By providing the through hole 30 on the inspection platform 10, it is convenient for the preform or the bottle cap to fall onto the second conveying device under its own weight, without the need to provide a dedicated transfer device for transferring the preform or the bottle cap from the inspection platform 10 to the second conveying device, thus effectively simplifying the structure and saving costs.

[0066] In some embodiments, a third good product station 34 and a second defective product station 35 are provided downstream of the sixteenth station. The preforms or bottle caps that pass the inspection can be sent to the third good product station 34, while the preforms or bottle caps that fail the inspection can be sent to the second defective product station 35, realizing the classification of good products and defective products and avoiding confusion.

[0067] In some embodiments, the transfer device includes a third conveying device 72 for conveying bottle caps. The plurality of workstations include a seventeenth workstation, an eighteenth workstation, a nineteenth workstation, a twentieth workstation, a twenty-first workstation, and a twenty-second workstation. The third conveying device 72 communicates with the seventeenth workstation, the eighteenth workstation, the nineteenth workstation, the twentieth workstation, the twenty-first workstation, and the twenty-second workstation. The detection device includes a fourteenth detection device 54, a seventeenth detection device 57, an eighteenth detection device 58, a nineteenth detection device 59, a twentieth detection device 60, and a twenty-first detection device 61. The seventeenth detection device 57 and the twenty-first detection device 61 are disposed between the third conveying device 72 and the first conveying device 71. The fourteenth detection device 54, the eighteenth detection device 58, the nineteenth detection device 59, and the twentieth detection device 60 are disposed on the side of the third conveying device 72 away from the first conveying device 71. The seventeenth detection device 57 is configured to detect the appearance quality of the cap surface of the bottle cap located at the seventeenth workstation. The eighteenth detection device 58 is configured to detect the outer diameter of the inner plug, the inner diameter of the thread, the mold number of the bottle cap, and the appearance quality of the cap opening and the inner bottom of the bottle cap located at the eighteenth workstation. The nineteenth detection device 59 is configured to detect the appearance quality of the inner side wall of the bottle cap located at the nineteenth workstation. The twentieth detection device 60 is configured to detect the inner diameter of the thread, the cap surface thickness, and the height of the inner plug of the bottle cap located at the twentieth workstation. The fourteenth detection device 54 is configured to detect the anti-slip line diameter, the height of the bottle cap, and the maximum diameter of the bottle cap located at the twenty-first workstation. The twenty-first detection device 61 is configured to detect the appearance quality of the outer side surface of the bottle cap located at the twenty-second workstation.

[0068] When detecting the bottle cap, the detection sequence of the bottle cap is: the seventeenth workstation, the eighteenth workstation, the nineteenth workstation, the twentieth workstation, the twenty-first workstation, and the twenty-second workstation.

[0069] By providing the seventeenth workstation, the eighteenth workstation, the nineteenth workstation, the twentieth workstation, the twenty-first workstation, and the twenty-second workstation, the detection of the bottle cap can be completed.

[0070] By providing the third conveying device 72, the preforms can be driven to reach the seventeenth workstation, the eighteenth workstation, the nineteenth workstation, the twentieth workstation, the twenty-first workstation, and the twenty-second workstation in sequence, realizing the series connection of the seventeenth workstation, the eighteenth workstation, the nineteenth workstation, the twentieth workstation, the twenty-first workstation, and the twenty-second workstation, and eliminating the need to provide other transfer devices.

[0071] In some embodiments, the conveying direction of the third conveying device 72 is parallel to the conveying direction of the first conveying device 71, enabling the parallel arrangement of the preform conveying line and the bottle cap conveying line.

[0072] In various embodiments of the present utility model, the detection device may include a camera and a control device. The camera takes pictures of the preforms or bottle caps, and the control device is signal - connected to the camera. The control device receives the pictures taken by the camera and compares the information in the taken pictures with the standard information in the repository to determine whether the detected parameters are within the standard range. Those within the standard range are qualified products, and those not within the standard range are unqualified products.

[0073] In various embodiments of the present utility model, the conveying device may adopt structures such as a manipulator, a conveyor belt, a transmission wheel, and a track.

[0074] In the embodiment of the inspection machine provided by the present utility model, the inspection machine may further include a data module. The data module is configured to record, analyze, and upload the detected data, generate a form corresponding to the mold number for each detected data, and the form can be exported or uploaded for later reference.

[0075] The following combines Figure 1 and Figure 2 to illustrate the detection processes of two embodiments of the preform and bottle cap inspection machine of the present utility model:

[0076] In the embodiment shown in Figure 1 the preform and bottle cap inspection machine includes an inspection platform 10, and a first station 11, a second station 12, a third station 13, a fourth station 14, a fifth station 15, a sixth station 16, a seventh station 17, a first reversing device 21, a second reversing device 22, a third reversing device 23, a first qualified product station 31, a second qualified product station 32, a first unqualified product station 33, a first loading device 20, and a first manipulator 41 arranged on the inspection platform 10.

[0077] The first loading device 20 is rectangular and is arranged on the left side of the inspection platform 10. The first manipulator 41 is arranged on the right side of the first loading device 20. The sixth station 16 and the seventh station 17 are located in front of the first manipulator 41. The first station 11 is located in front of the sixth station 16 and the seventh station 17. The second station 12, the fourth station 14, and the first qualified product station 31 are arranged in sequence on the right side of the first station 11. The first reversing device 21 is arranged in front of the second station 12. The third station 13, the fifth station 15, and the second qualified product station 32 are arranged in sequence on the right side of the first manipulator 41. Moreover, the third station 13, the fifth station 15, and the second qualified product station 32 are respectively arranged corresponding to the rear sides of the second station 12, the fourth station 14, and the first qualified product station 31. The second reversing device 22 is arranged behind the third station 13. The third reversing device 23 is arranged between the fourth station 14 and the fifth station 15, and the first unqualified product station 33 is arranged between the first qualified product station 31 and the second qualified product station 32.

[0078] The inspection machine includes two inspection paths. The two paths can inspect preforms simultaneously, or caps simultaneously, or one path can inspect preforms while the other inspects caps. Of course, there may be cross stations involved. For example, at the first station, when the two inspection paths are operating simultaneously, the inspections at the first station can be carried out sequentially to avoid overlapping and collision. The specific inspection principle is as follows:

[0079] I. Preform inspection principle

[0080] 1. Preform inspection path a:

[0081] The first loading device 20 → the first manipulator 41 → the first station 11 → the second station 12 → the first reversing device 21 → the third reversing device 23 → the fourth station 14 → the third reversing device 23 → the first good product station 31 or the first defective product station 33.

[0082] Specific steps:

[0083] 1.1 Place multiple preforms on the first loading device 20. When placing, there is no strict corresponding relationship between the hole positions on the first loading device 20 and the preforms. The bottle mouths are upward. The first loading device 20 can hold up to 144 preforms, with preform mouth specifications of 30mm and 38mm;

[0084] 1.2 The first manipulator 41 grabs a preform and moves it to the first station 11 according to the predetermined setting requirements;

[0085] 1.3 At the first station 11, with the preform clamped by the first manipulator 41, conduct appearance inspection of the preform body (including the blank outlet and the outside of the blank bottom) (including cracks, burrs, etc.), identify the splicing and unfolding of the preform mold number, and simultaneously measure the outer diameter of the thread, the outer diameter of the locking ring, the outer diameter of the preform mouth, the height of the locking ring, the height of the preform mouth, and the difference in preform thickness;

[0086] 1.4 The first manipulator 41 transports the preform to the fixture at the second station 12. The second detection device includes a servo-driven light source and a camera. First, the servo-driven light source and the camera move to the specified position below the preform mouth, with the preform mouth upward and the preform bottom downward, to conduct appearance inspection of the preform bottom; then, the servo-driven light source and the camera move to the specified position above the preform mouth and take pictures to conduct appearance inspection of the inner diameter of the preform mouth and the preform mouth end face;

[0087] 1.5 Use the first reversing device 21 to reverse the camera light source to facilitate placing the preform on the fixture at the fourth station 14;

[0088] 1.6 Use the third reversing device 23 (including a servo reversing mechanism and a high-precision controllable force fixture) to transport the preform to the fourth station 14;

[0089] 1.7 Weigh the single weight of the preforms at the fourth station 14 using the fourth detection device, and then send the weight data to the host computer.

[0090] 1.8 According to the detection results, use the third reversing device 23 to grab the qualified preforms onto the first good product station 31 and the unqualified preforms onto the first defective product station 33.

[0091] 2. Preform detection path b:

[0092] The first loading device 20 → the first manipulator 41 → the first station 11 → the third station 13 → the second reversing device 22 → the third reversing device 23 → the fifth station 15 → the third reversing device 23 → the second good product station 32 or the first defective product station 33.

[0093] Specific steps:

[0094] 2.1 Place multiple preforms on the first loading device 20. When placing, there is no strict corresponding relationship between the hole positions on the first loading device 20 and the preforms, with the bottle mouths facing up. The first loading device 20 can hold up to 144 preforms, and the preform mouth specifications are 30mm and 38mm.

[0095] 2.2 The first manipulator 41 grabs a preform to the first station 11 according to the predetermined setting requirements.

[0096] 2.3 At the first station 11, with the preform clamped by the first manipulator 41, conduct appearance inspection of the preform body (including the blank outlet and the outside of the blank bottom), identify the splicing and unfolding of the preform mold number, and at the same time measure the outer diameter of the thread, the outer diameter of the locking ring, the outer diameter of the preform mouth, the height of the locking ring, the height of the preform mouth, and the difference in preform thickness.

[0097] 2.4 The first manipulator 41 transports the preform to the fixture at the third station 13. The third detection device includes a servo-driven light source and a camera. First, the servo-driven light source and the camera move to the specified position below the preform mouth, with the preform mouth facing up and the preform bottom facing down, to conduct appearance inspection of the preform bottom; then, the servo-driven light source and the camera move to the specified position above the preform mouth and take pictures to conduct appearance inspection of the inner diameter and the end face of the preform mouth.

[0098] 2.5 Use the second reversing device 22 to reverse the camera light source to facilitate placing the preform on the fixture at the fifth station 15.

[0099] 2.6 Use the third reversing device 23 (including a servo reversing mechanism and a high-precision controllable force fixture) to transport the preform to the fifth station 15.

[0100] 2.7 Weigh the single weight of the preform at the fifth station 15 using the fifth detection device, and then send the weight data to the host computer.

[0101] 2.8 According to the detection results, the qualified preforms are grabbed by the third commutation device 23 and placed on the second good product station 32, and the unqualified preforms are grabbed and placed on the first defective product station 33.

[0102] II. Cap detection principle:

[0103] 3. Cap detection path a:

[0104] The first loading device 20 → the first manipulator 41 → the first station 11 → the sixth station 16 → the seventh station 17 → the second station 12 → the first commutation device 21 → the third commutation device 23 → the fourth station 14 → the third commutation device 23 → the first good product station 31 or the first defective product station 33.

[0105] The specific steps are as follows:

[0106] 3.1 Place multiple caps on the first loading device 20. When placing, there is no strict corresponding relationship between the hole positions on the first loading device 20 and the caps, with the bottle mouths facing upward. The first loading device 20 can hold up to 144 caps, and the cap mouth specifications are 30mm and 38mm.

[0107] 3.2 The first manipulator 41 grabs a cap and places it at the first station 11 according to the predetermined settings.

[0108] 3.3 At the first station 11, with the cap clamped by the first manipulator 41, the outer side appearance of the cap is detected, and at the same time, the outer diameter of the anti-slip teeth, the maximum outer diameter, the cap height, and the ovality are measured.

[0109] 3.4 At the sixth station 16, with the cap clamped by the first manipulator 41, the outer diameter of the inner plug of the cap, the inner diameter of the bayonet, and the mold number are identified and measured.

[0110] 3.5 At the seventh station 17, with the cap clamped by the first manipulator 41, the inner surface appearance of the cap opening is detected, and the top diameter of the thread is measured.

[0111] 3.6 The first manipulator 41 transports the cap to the fixture at the second station 12. The second detection device includes a servo-driven light source and a camera. First, the servo-driven light source and the camera move to the designated position below the cap, with the cap mouth facing downward, and the outer side appearance of the cap is detected. Then, the servo-driven light source and the camera move to the designated position above the cap, and a photo is taken for the second outer side appearance detection of the cap and the top appearance detection of the cap.

[0112] 3.7 Use the first commutation device 21 to reverse the camera light source to facilitate the cap to be placed on the fixture at the fourth station 14.

[0113] 3.8 Use the third commutation device 23 (including a servo commutation mechanism and a high-precision controllable force fixture) to transport the cap to the fourth station 14.

[0114] 3.9 Weigh the single weight of the bottle cap on the fourth station 14 using the fourth detection device, and then send the weight data to the host computer;

[0115] 3.10 According to the detection results, use the third reversing device 23 to grab the qualified bottle caps onto the first good product station 31, and the unqualified bottle caps onto the first defective product station 33.

[0116] 4. Bottle cap detection path b:

[0117] The first loading device 20 → the first manipulator 41 → the first station 11 → the sixth station 16 → the seventh station 17 → the third station 13 → the first reversing device 21 → the third reversing device 23 → the fifth station 15 → the third reversing device 23 → the second good product station 32 or the first defective product station 33.

[0118] The specific steps are as follows:

[0119] 4.1 Place multiple bottle caps on the first loading device 20. When placing, there is no strict correspondence between the hole positions on the first loading device 20 and the bottle caps, with the bottle mouth facing up. The first loading device 20 can hold up to 144 bottle caps, and the cap mouth specifications are 30mm and 38mm;

[0120] 4.2 The first manipulator 41 grabs a bottle cap to the first station 11 according to the predetermined setting requirements;

[0121] 4.3 At the first station 11, the first manipulator 41 holds the bottle cap and performs the appearance inspection on the outer side of the bottle cap, and at the same time measures the outer diameter of the anti-slip teeth, the maximum outer diameter, the height of the bottle cap, and the ovality;

[0122] 4.4 At the sixth station 16, the first manipulator 41 holds the bottle cap and identifies and measures the outer diameter of the inner plug of the bottle cap, the inner diameter of the bayonet, and the mold number;

[0123] 4.5 At the seventh station 17, the first manipulator 41 holds the bottle cap and performs the appearance inspection on the inner surface of the bottle cap opening and measures the top diameter of the thread;

[0124] 4.6 The first manipulator 41 transports the bottle cap to the fixture on the third station 13. The third detection device includes a servo-driven light source and a camera. First, the servo-driven light source and the camera move to the specified position below the bottle cap, with the cap mouth facing down, and perform the appearance inspection on the outer side of the bottle cap; then, the servo-driven light source and the camera move to the specified position above the bottle cap and take pictures for the second appearance inspection on the outer side of the bottle cap and the appearance inspection of the cap top;

[0125] 4.7 Use the first reversing device 21 to reverse the camera light source to facilitate the bottle cap to be placed on the fixture of the fifth station 15;

[0126] 4.8 Use the third commutation device 23 (including a servo commutation mechanism and a high-precision controllable force fixture) to transport the bottle caps to the fifth station 15;

[0127] 4.9 At the fifth station 15, use the fifth detection device to weigh the single weight of the bottle caps, and then send the weight data to the host computer;

[0128] 4.10 According to the detection results, use the third commutation device 23 to grab the qualified bottle caps onto the second good product station 32, and the unqualified bottle caps onto the first defective product station 33.

[0129] In the embodiment as Figure 2 shown, the preform bottle cap inspection machine includes an inspection platform 10 and a second loading device 40, a second manipulator 42, a first fixture 43, a second fixture 44, a third fixture 45, an eleventh detection device 51, a twelfth detection device 52, a thirteenth detection device 53, a fourteenth detection device 54, a fifteenth detection device 55, a seventeenth detection device 57, an eighteenth detection device 58, a nineteenth detection device 59, a twentieth detection device 60, a twenty-first detection device 61, a first conveying device 71 and a third conveying device 72 arranged on the inspection platform 10. A sixteenth detection device 56, a third good product station 34 and a second defective product station 35 are arranged outside the inspection platform 10.

[0130] The second loading device 40 is arranged at the right rear side of the inspection platform 10. The second manipulator 42 is arranged at the front side of the second loading device 40. The first conveying device 71 and the third conveying device 72 are arranged in parallel on the left side of the second loading device 40. The first conveying device 71 is provided with an eleventh station, a twelfth station, a thirteenth station, a fourteenth station and a fifteenth station. The third conveying device 72 is provided with a seventeenth station, an eighteenth station, a nineteenth station, a twentieth station and a twenty-first station. On the rear side of the first conveying device 71 along the conveying direction, the eleventh detection device 51, the twelfth detection device 52 and the thirteenth detection device 53 corresponding to the eleventh station, the twelfth station and the thirteenth station are arranged in sequence from right to left. Between the first conveying device 71 and the third conveying device 72, the twenty-first detection device 61 and the seventeenth detection device 57 corresponding to the twenty-first station and the seventeenth station are arranged in sequence from left to right. On the front side of the third conveying device 72, the fourteenth detection device 54, the fifteenth detection device 55, the twentieth detection device 60, the nineteenth detection device 59 and the eighteenth detection device 58 corresponding to the fourteenth station, the fifteenth station, the twentieth station, the nineteenth station and the eighteenth station are arranged in sequence from left to right.

[0131] The detection platform 10 is provided with a through hole 30, which is located between the first conveying device 71 and the third conveying device 72 and on the left side of the twenty-first detection device 61. A second conveying device is provided below the detection platform 10. The second conveying device is used to receive the preforms or bottle caps that fall from the through hole 30 and transport the preforms or bottle caps to the sixteenth station to detect the weight. The conveying end of the second conveying device is provided with a third good product station 34 and a second defective product station 35.

[0132] The detection machine includes two detection paths, one of which is used to detect preforms and the other is used to detect bottle caps. Of course, the cross-use of detection devices may be involved. For example, for the fourteenth detection device 54, when the fourteenth detection device 54 is required for both detection paths, it can be carried out sequentially to avoid overlapping and collision. The specific detection principle is as follows:

[0133] I. Preform detection principle

[0134] 5. Preform detection path:

[0135] The second loading device 40 → the second manipulator 42 → the first fixture 43 → the eleventh station → the twelfth station → the third fixture 45 → the thirteenth station → the fourteenth station → the fifteenth station → the sixteenth station → the third good product station 34 or the second defective product station 35.

[0136] Specific steps:

[0137] 5.1 Place multiple preforms on the second loading device 40. When placing, there is no strict correspondence between the hole positions on the second loading device 40 and the preforms, with the bottle mouths facing up. The second loading device 40 can place up to 144 preforms, and the preform mouth specifications are 30 mm and 38 mm.

[0138] 5.2 The second manipulator 42 grabs a preform and moves it to the first fixture 43 according to the predetermined setting requirements.

[0139] 5.3 The first fixture 43 carries the preform and slides along the first conveying device 71 at a maximum speed of 2 m / s.

[0140] 5.4 When the preform moves to the eleventh station, the eleventh detection device (including 1 camera) detects the inner diameter of the preform mouth and the appearance defects of the preform mouth.

[0141] 5.5 When the preform moves to the twelfth station, the twelfth detection device (including 1 camera) detects the appearance defects of the preform bottom.

[0142] 5.6 When the preform moves to the designated position, the swing arm of the third fixture 45 grabs the preform and rotates it at the designated position.

[0143] 5.7 After the preform rotates, it reaches the thirteenth station. The thirteenth inspection device includes two cameras. One line-scan camera detects the appearance defects of the thread and the mold number, and the other camera detects the stress lines on the preform body;

[0144] 5.8 After the preform rotates, it reaches the fourteenth station. The fourteenth inspection device (including one camera) detects the outer diameter of the preform mouth, the outer diameter of the thread, the outer diameter of the locking ring, the height of the locking ring, and the height of the preform mouth;

[0145] 5.9 After the preform rotates, it reaches the fifteenth station. The fifteenth inspection device (including one camera) detects the appearance and wall thickness of the preform body;

[0146] 5.10 After the dimensional appearance of the preform is completed, the third fixture 45 releases the preform. The preform drops from the through hole 30 below the third fixture 45 onto the second conveying device below. The second conveying device takes the preform to the sixteenth station and weighs it through the sixteenth inspection device;

[0147] 5.11 After the preform weighing is completed, the second conveying device transports the qualified preforms to the third good product station 34, and the unqualified preforms to the second defective product station 35.

[0148] II. Cap Inspection Principle

[0149] Cap inspection path:

[0150] The second loading device 40 → the second manipulator 42 → the seventeenth station → the second fixture 44 → the eighteenth station → the nineteenth station → the twentieth station → the third fixture 45 → the fourteenth station → the twenty-first station → the sixteenth station → the third good product station 34 or the second defective product station 35.

[0151] Specific steps:

[0152] 5.1 Place multiple caps on the second loading device 40. When placing, there is no strict correspondence between the hole positions on the second loading device 40 and the caps, with the bottle mouth facing up. The second loading device 40 can hold up to 144 caps, and the preform mouth specifications are 30 mm and 38 mm;

[0153] 5.2 The second manipulator 42 grabs a cap to the seventeenth station according to the predetermined settings. The seventeenth inspection device (including one camera) detects the outer surface defects of the cap;

[0154] 6.3 After the inspection at the seventeenth station is completed, the second manipulator 42 places the cap on the second fixture 44;

[0155] 6.4 The second fixture 44 carries the cap and slides along the third conveying device 72 at a maximum speed of 2 m / s;

[0156] 6.5 When the bottle cap moves to the 18th station, the 18th detection device (including 1 camera) detects the outer diameter of the inner plug of the bottle cap, the inner diameter of the thread, the mold number, and the appearance defects of the cap mouth and the inner bottom;

[0157] 6.6 When the bottle cap moves to the 19th station, the 19th detection device (including 1 camera) detects the appearance defects of the inner side wall of the bottle cap;

[0158] 6.7 When the bottle cap moves to the 20th station, the 20th detection device (including 1 camera) detects the inner diameter of the thread of the bottle cap, the thickness of the cap surface, and the height of the inner plug;

[0159] 6.8 When the bottle cap moves to the designated position, the swing arm of the third fixture 45 grabs the bottle cap and rotates it at the designated position;

[0160] 6.9 After the bottle cap rotates, it reaches the 14th station, and the 14th detection device (including 1 camera) detects the height of the bottle cap, the diameter of the anti-slip line, and the maximum diameter;

[0161] 6.10 After the bottle cap rotates, it reaches the 21st station, and the 21st detection device (including 1 camera) detects the appearance defects of the outer side of the bottle cap;

[0162] 6.11 After the size and appearance of the bottle cap are completed, the third fixture 45 releases the bottle cap; the bottle cap falls into the lower second conveying device through the through hole 30 below the third fixture 45, and the second conveying device takes the preform to the 16th station and weighs it through the 16th detection device;

[0163] 6.12 After the bottle cap is weighed, the second conveying device conveys the qualified bottle caps to the third good product station 34, and the unqualified bottle caps to the second defective product station 35.

[0164] The inspection machine provided by the present utility model integrates the inspection functions of the preform and the bottle cap in a set of systems, realizes the automation of the inspection of the preform and the bottle cap, improves the inspection efficiency and accuracy, and reduces the labor cost.

[0165] In the present utility model, the control device can be a general-purpose processor, a programmable logic controller (Programmable Logic Controller, abbreviated as PLC), a digital signal processor (Digital Signal Processor, abbreviated as DSP), an application-specific integrated circuit (Application Specific Integrated Circuit, abbreviated as ASIC), a field-programmable gate array (Field-Programmable Gate Array, abbreviated as FPGA), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or any suitable combination thereof for performing the functions described in the present utility model.

[0166] The descriptions of the above embodiments tend to emphasize the differences between the embodiments. For their similarities, reference can be made to each other. For the sake of brevity, they will not be elaborated herein.

[0167] Those skilled in the art can understand that in the above steps of the specific embodiments, the written order of each step does not mean a strict execution order that constitutes any limitation to the implementation process. The specific execution order of each step should be determined according to its function and possible internal logic.

[0168] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them; although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that without departing from the principle of the present invention, modifications can still be made to the specific implementation manners of the present invention or equivalent replacements can be made to some technical features. These modifications and equivalent replacements should be covered by the scope of the technical solutions claimed by the present invention.

Claims

1. A preform cap inspection machine, characterized in that, Comprising: A detection platform (10); A material loading device, which is arranged on the detection platform (10) and is used for storing a plurality of preforms or a plurality of bottle caps to be detected; A plurality of workstations, configured to place the preforms or the bottle caps; A detection device, configured to detect the appearance quality, dimensions or weight of the preforms and / or the bottle caps; And A transfer device, configured to transport the preforms and / or bottle caps to the workstations, and realize the conversion of the preforms and / or the bottle caps among the plurality of workstations.

2. The preform cap inspection machine according to claim 1, wherein, The plurality of workstations include a first workstation (11), the first workstation (11) is configured to place the preforms or the bottle caps, the detection device includes a first detection device, and the first detection device is configured to detect the appearance quality of the blank outlet and the outer part of the blank bottom of the preform located on the first workstation (11), identify the mold number of the preform, as well as the outer diameter of the thread of the preform, the outer diameter of the locking ring, the outer diameter of the blank outlet, the height of the locking ring, the height of the blank outlet and the thickness difference of the blank, or the first detection device is configured to detect the appearance quality of the outer side surface of the bottle cap located on the first workstation (11), as well as the outer diameter of the anti-slip teeth of the bottle cap, the maximum outer diameter, the height of the bottle cap and the ovality measurement.

3. The preform cap inspection machine according to claim 1, characterized in that, The plurality of workstations include a second workstation (12) and a third workstation (13), the detection device includes a second detection device and a third detection device, both the second workstation (12) and the third workstation (13) are configured to place the preforms or the bottle caps, the second detection device is configured to detect the appearance quality of the blank bottom and the end face of the blank outlet of the preform located on the second workstation (12), as well as the inner diameter of the blank outlet of the preform, or detect the appearance quality of the inner side surface of the cap mouth and the cap top of the bottle cap located on the second workstation (12); the third detection device is configured to detect the appearance quality of the blank bottom and the end face of the blank outlet of the preform located on the third workstation (13), as well as the inner diameter of the blank outlet of the preform, or detect the appearance quality of the inner side surface of the cap mouth and the cap top of the bottle cap located on the third workstation (13).

4. The preform cap inspection machine according to claim 1, characterized in that, The plurality of workstations include a fourth workstation (14) and a fifth workstation (15), the detection device includes a fourth detection device and a fifth detection device, both the fourth workstation (14) and the fifth workstation (15) are configured to place the preforms or the bottle caps, the fourth detection device is configured to detect the weight of the preform or the bottle cap located on the fourth workstation (14), and the fifth detection device is configured to detect the weight of the preform or the bottle cap located on the fifth workstation (15).

5. The preform cap inspection machine according to claim 1, characterized in that, The multiple workstations include a sixth workstation (16) and a seventh workstation (17). The detection device includes a sixth detection device and a seventh detection device. Both the sixth workstation (16) and the seventh workstation (17) are configured to place the bottle caps. The sixth detection device is configured to detect the inner plug outer diameter, the bayonet inner diameter, and the mold number of the bottle cap located on the sixth workstation (16). The seventh detection device is configured to detect the appearance quality of the inner side surface of the cap opening of the bottle cap located on the seventh workstation (17) and the thread top diameter of the bottle cap.

6. The preform cap inspection machine according to claim 1, wherein, The multiple workstations include a good product workstation and a defective product workstation. The good product workstation is used to store the good products that meet the preset standards after inspection, and the defective product workstation is used to store the defective products that do not meet the preset standards after inspection.

7. The preform cap inspection machine according to claim 1, wherein, The multiple workstations include a first workstation (11), a second workstation (12), a fourth workstation (14), a first good product workstation (31), and a first defective product workstation (33). The first workstation (11), the second workstation (12), the fourth workstation (14), and the first good product workstation (31) are all arranged on the first side of a preset center line. The first defective product workstation (33) is arranged on the preset center line. The detection device includes a first detection device, a second detection device, and a fourth detection device. The first detection device is configured to detect the appearance quality of the blank outlet and the outer part of the blank bottom of the preform located on the first workstation (11), identify the mold number of the preform, and the thread outer diameter, lock ring outer diameter, blank outlet outer diameter, lock ring height, blank outlet height, and blank thickness difference of the preform, or detect the appearance quality of the outer side surface of the bottle cap located on the first workstation (11), as well as the anti-slip tooth outer diameter, maximum outer diameter, bottle cap height, and ovality measurement of the bottle cap. The second detection device is configured to detect the appearance quality of the blank bottom and the end face of the blank outlet of the preform located on the second workstation (12), and the blank outlet inner diameter of the preform, or detect the appearance quality of the inner side surface of the cap opening and the cap top of the bottle cap located on the second workstation (12). The fourth detection device is configured to detect the weight of the preform or the bottle cap located on the fourth workstation (14).

8. The preform cap inspection machine according to claim 1, characterized in that, The multiple workstations include a first workstation (11), a third workstation (13), a fifth workstation (15), a sixth workstation (16), a seventh workstation (17), a second good product workstation (32), and a first defective product workstation (33). The first workstation (11), the sixth workstation (16), and the seventh workstation (17) are all arranged on the first side of a preset center line. The third workstation (13), the fifth workstation (15), and the second good product workstation (32) are all arranged on the second side of the preset center line. The first defective product workstation (33) is provided on the preset center line. The detection device includes a first detection device, a third detection device, a fifth detection device, a sixth detection device, and a seventh detection device. The first detection device is configured to detect the appearance quality of the blank outlet and the outer bottom of the preform located on the first workstation (11), identify the mold number of the preform, as well as the thread outer diameter, lock ring outer diameter, blank outlet outer diameter, lock ring height, blank outlet height, and blank thickness difference of the preform, or detect the appearance quality of the outer side of the bottle cap located on the first workstation (11), as well as the anti-slip tooth outer diameter, maximum outer diameter, bottle cap height, and ovality measurement of the bottle cap. The sixth detection device is configured to detect the inner plug outer diameter, bayonet inner diameter, and mold number of the bottle cap located on the sixth workstation (16). The seventh detection device is configured to detect the appearance quality of the inner side of the cap mouth of the bottle cap located on the seventh workstation (17) and the thread top diameter of the bottle cap. The third detection device is configured to detect the appearance quality of the bottom and the end face of the blank mouth of the preform located on the third workstation (13), as well as the inner diameter of the blank mouth of the preform, or detect the appearance quality of the inner side of the cap mouth and the cap top of the bottle cap located on the third workstation (13). The fifth detection device is configured to detect the weight of the preform or the bottle cap located on the fifth workstation (15).

9. The preform cap inspection machine according to any one of claims 1 to 8, characterized in that, It further includes a commutation device configured to adjust the orientation of the preform or the bottle cap.

10. The preform cap inspection machine according to claim 1, characterized in that, The transfer device includes a first transfer device (71) for transferring the preforms. The multiple workstations include an eleventh workstation, a twelfth workstation, and a thirteenth workstation. The first transfer device (71) communicates with the eleventh workstation, the twelfth workstation, and the thirteenth workstation. The detection device includes an eleventh detection device (51), a twelfth detection device (52), and a thirteenth detection device (53) located on the first side of the first transfer device (71). The eleventh detection device (51) is configured to detect the inner diameter of the blank mouth of the preform located on the eleventh workstation and the appearance quality of the blank mouth of the preform. The twelfth detection device (52) is configured to detect the appearance quality of the bottom of the preform located on the twelfth workstation. The thirteenth detection device (53) is configured to detect the thread appearance quality, mold number, and blank body stress line of the preform located on the thirteenth workstation.

11. The preform cap inspection machine according to claim 1, characterized in that, The transfer device includes a first conveying device (71) for conveying the preforms. The plurality of workstations include a fourteenth workstation and a fifteenth workstation. The first conveying device (71) communicates with the fourteenth workstation and the fifteenth workstation. The detection device includes a fourteenth detection device (54) and a fifteenth detection device (55) located on the second side of the first conveying device (71). The fourteenth detection device (54) is configured to detect the preform mouth outer diameter, thread outer diameter, lock ring outer diameter, lock ring height, and preform mouth height of the preforms located at the fourteenth workstation. The fifteenth detection device (55) is configured to detect the preform body appearance and the wall thickness of the preforms located at the fifteenth workstation.

12. The preform cap inspection machine according to claim 1, wherein, The transfer device includes a second conveying device. The plurality of workstations include a sixteenth workstation, which is configured to place the preforms or the bottle caps. The detection device includes a sixteenth detection device (56), which is configured to detect the weight of the preforms or the bottle caps located at the sixteenth workstation. The detection platform (10) is provided with a through hole (30). The second conveying device is arranged below the through hole (30) and is configured to receive the preforms or the bottle caps that fall from the through hole (30) and convey the preforms or the bottle caps to the sixteenth workstation.

13. The preform cap inspection machine according to claim 11, characterized in that, The transfer device includes a third conveying device (72) for conveying the bottle caps. The plurality of workstations include a seventeenth workstation, an eighteenth workstation, a nineteenth workstation, a twentieth workstation, a twenty-first workstation, and a twenty-second workstation. The third conveying device (72) communicates with the seventeenth workstation, the eighteenth workstation, the nineteenth workstation, the twentieth workstation, the twenty-first workstation, and the twenty-second workstation. The detection device includes a fourteenth detection device (54), a seventeenth detection device (57), an eighteenth detection device (58), a nineteenth detection device (59), a twentieth detection device (60), and a twenty-first detection device (61). The seventeenth detection device (57) and the twenty-first detection device (61) are arranged between the third conveying device (72) and the first conveying device (71). The fourteenth detection device (54), the eighteenth detection device (58), the nineteenth detection device (59), and the twentieth detection device (60) are arranged on a side of the third conveying device (72) away from the first conveying device (71). The seventeenth detection device (57) is configured to detect the appearance quality of the cap surface of the bottle cap located at the seventeenth workstation. The eighteenth detection device (58) is configured to detect the outer diameter of the inner plug, the inner diameter of the thread, the mold number of the bottle cap, and the appearance quality of the cap mouth and the inner bottom of the bottle cap located at the eighteenth workstation. The nineteenth detection device (59) is configured to detect the appearance quality of the inner side wall of the bottle cap located at the nineteenth workstation. The twentieth detection device (60) is configured to detect the inner diameter of the thread, the cap surface thickness, and the height of the inner plug of the bottle cap located at the twentieth workstation. The fourteenth detection device (54) is configured to detect the diameter of the anti-slip line, the height of the bottle cap, and the maximum diameter of the bottle cap located at the twenty-first workstation. The twenty-first detection device (61) is configured to detect the appearance quality of the outer side surface of the bottle cap located at the twenty-second workstation.

14. The preform cap inspection machine according to claim 13, characterized in that, The conveying direction of the third conveying device (72) is parallel to the conveying direction of the first conveying device (71).

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