A gantry type fishing rod straightness detection device and method
By combining an inverted fixing device and a lifting device with a display detector and a linked laser detector, the problems of mid-section collapse and material adaptability in fishing rod straightness detection have been solved, achieving efficient and accurate fishing rod straightness detection.
Patent Information
- Application Number
- CN202510188740.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2045-02-20
AI Technical Summary
Existing fishing rod straightness testing devices have problems such as rod mid-section collapse during the testing process, inaccurate test results, and inability to adapt to fishing rods with different taper angles and material structures.
It employs an inverted fixing device and a lifting device, combined with a display detector and a linked laser detector, to detect the straightness of the fishing rod through optics and laser, adapting to fishing rods of different lengths and material structures.
It improves the accuracy and efficiency of fishing rod straightness detection, adapts to the detection needs of different types of fishing rods, avoids the influence of the fishing rod's own weight, and enhances the applicability and reliability of the detection.
Smart Images

Figure CN119984102B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the technical field of fishing rod testing, and in particular to a device and method for testing the straightness of a gantry-type fishing rod. Background Technology
[0002] A fishing rod is a fishing tool, which is a long, thin, multi-section rod-shaped object. It usually has a handle that tapers to a point towards the end. It is used with a fishing line connected to a baited hook.
[0003] Fishing rods undergo rigorous testing during production to ensure their action and fishing weight, preventing fish from getting off the hook after a large catch. Among the testing procedures, the straightness of the fishing rod is a very important test item.
[0004] For example, Chinese Patent Publication No. CN116697936A discloses a machine vision-based device and method for detecting the straightness of a gantry fishing rod. The machine vision-based gantry fishing rod straightness detection device includes at least: a central processing unit, a gantry loading and unloading device, a camera device, a fishing rod clamping device, a reference marking device, a light source device, and a shake-resistant device for eliminating fishing rod vibration. The central processing unit communicates with the gantry loading and unloading device, the camera device, the fishing rod clamping device, the reference marking device, the light source device, and the shake-resistant device. By using a machine to measure and judge the straightness of the fishing rod instead of the human eye, it has the advantages of high precision and high efficiency.
[0005] However, the above-mentioned fishing rod straightness detection device still has some shortcomings in actual use:
[0006] 1. First, in the above-mentioned prior art, the fishing rod is horizontally limited at both ends by two fishing rod clamping devices. The fishing rod is a cone-shaped structure with a thin top. As a result, the middle section of the fishing rod will collapse downward due to its own weight, making the fishing rod an arc-shaped structure, which will affect the accuracy of subsequent straightness detection.
[0007] 2. Secondly, existing technologies based on machine vision for gantry fishing rod straightness detection devices and methods can measure and judge the straightness of fishing rods with high precision by using machines instead of human eyes. However, after the fishing rod is detected, the machine vision cannot quickly present the detected structure visually, which can easily lead to a decrease in the accuracy of fishing rod detection.
[0008] 3. Then, during the straightness test of the fishing rod, the length of the fishing rod varies and the taper of the fishing rod is also different. However, the existing testing equipment has a certain limitation and cannot test fishing rods with different tapers and lengths. In addition, some fishing rods have a solid tip section and some have a hollow tip section.
[0009] Therefore, based on the above-stated viewpoints, there is still room for improvement in existing fishing rod straightness detection devices. Summary of the Invention
[0010] To address the aforementioned problems, this invention provides a device and method for detecting the straightness of a gantry-type fishing rod.
[0011] In a first aspect, a gantry-type fishing rod straightness detection device includes a gantry frame and a liftable device for detecting fishing rods of different lengths.
[0012] An inverted fixing device is installed on the gantry frame. The inverted fixing device includes a plug-in tube for inserting and fixing the fishing rod handle section and a clamping part for limiting the position of the fishing rod handle section. The plug-in tubes are evenly spaced on the inner side of the gantry frame, and the clamping part is located on the plug-in tubes.
[0013] The upper end of the plug tube is also provided with an annular linkage guide rail for the linkage opening and closing of the clamping part.
[0014] The connector tube is equipped with a display detector for straightness detection of solid rod tip sections, and a linkage laser detector for detection of hollow rod tip sections is also provided on the outside of the gantry.
[0015] Preferably, the gantry frame is provided with a drive component for controlling the intermittent movement of the plug-in cylinders. The drive component includes a drive wheel, a cross, a drive belt, and a drive motor. The drive wheel is located at the bottom of the cross and is rectangularly distributed. The cross is mounted on the gantry frame. The drive belt is sleeved on several drive wheels. The plug-in cylinders are evenly spaced at the bottom of the drive belt and are vertically distributed downwards. The drive motor is mounted on the cross via a motor mount, and the output shaft of the drive motor is connected to one of the drive wheels.
[0016] Preferably, the clamping part includes a main clamping member, an arc-shaped clamping plate, a secondary clamping member, a triangular block, a reset spring, a pressing post, and a pressing tension spring. The main clamping member is symmetrically hinged to the plug-in cylinder, and one end of the main clamping member is hinged to the arc-shaped clamping plate to clamp the handle section of the fishing rod. The other end of the main clamping member is hinged to the secondary clamping member. The secondary clamping member slides through the middle of the plug-in cylinder. The triangular block is installed on the end of the secondary clamping member away from the main clamping member, and a reset spring is sleeved on the secondary clamping member.
[0017] The pressing column slides through the drive belt and the insertion cylinder, and the lower end of the pressing column abuts against the inclined surface of the triangular block. A pressing tension spring is sleeved between the pressing column and the insertion cylinder.
[0018] Preferably, one side of the annular linkage guide rail protrudes upward, and the upper end of the pressing column abuts against the bottom of the annular linkage guide rail.
[0019] Preferably, the display detector includes a vertical frame, a light emitter, a mounting base, and a light receiving screen. The vertical frame is installed inside the gantry and is vertically distributed downwards in the middle of the drive belt. The light emitter is mounted on the side wall of the gantry via the mounting base, and the mounting base slides between the gantry and the gantry. The light receiving screen is mounted on the vertical frame and is used to receive the light emitted by the light emitter. After receiving the light, the light receiving screen changes color.
[0020] Preferably, the linkage laser detector includes a laser emitter, a linkage component, and a laser receiving wall. The laser emitter is located inside the plug-in tube, with one end of the laser emitter vertically downwards and the laser emitter and plug-in tube being concentrically distributed. The linkage component is located on the laser emitter, and the laser receiving wall is located at the bottom of the gantry frame and is on the same straight line as the laser emitter.
[0021] Preferably, the linkage component includes two symmetrically distributed metal induction plates and a wire connected to the metal induction plates. The wire is located between the metal induction plates and the laser emitter to supply power to the laser emitter. The two metal induction plates are located inside the insertion tube, with one of the metal induction plates sliding up and down.
[0022] An insulating post is abutted on the slidingly distributed metal induction plate. The insulating post slides through the plug-in cylinder and extends upward. A second guide rail is provided on the gantry frame to cooperate with the insulating post. A linkage spring is connected between the insulating post and the plug-in cylinder. A groove is opened on the annular linkage guide rail for the insulating post to rise and fall. A circular hole is opened on the pressing post for the insulating post to slide, so as to avoid interference between the pressing post and the insulating post.
[0023] Preferably, the second guide rail has a downwardly recessed area.
[0024] Preferably, the gantry frame is provided with a lifting bracket, and the lifting bracket is provided with the same drive wheel, cross, and drive belt as the drive component. The drive belt on the lifting bracket is provided with anti-shake clips distributed corresponding to the plug-in cylinder.
[0025] Secondly, a method for detecting the straightness of a gantry fishing rod is provided, as follows:
[0026] S1. Fishing rod preparation: Transport the fishing rod to be tested to the testing area and place the fishing rod in the designated position. Then, climb the ladder on the gantry and adjust the height of the gantry according to the fishing rod to be tested.
[0027] S2. Fishing rod clamping: The handle section of the fishing rod to be tested is installed into the plug tube at the bottom of the gantry by inverting it, and clamped by the clamping part. At the same time, the other sections of the fishing rod are extended downward to ensure that the fishing rod is hanging naturally.
[0028] S3. External inspection of fishing rod: After the fishing rod is clamped, the side of the fishing rod is illuminated by the display detector. The shadow of the fishing rod after illumination is projected onto the designated area, and then the fishing rod is observed to see if it is deformed.
[0029] S4. Internal inspection of fishing rod: After the external straightness of the fishing rod is inspected by projection, the linkage laser detector projects a laser onto its interior to check the straightness of the fishing rod again and observe whether the fishing rod has been deformed.
[0030] S5. Cyclic Inspection: After the fishing rods have completed their inspection, the straightness of the fishing rods is inspected in batches through an assembly line. The inspected fishing rods are disassembled, and the fishing rods to be inspected are installed into the empty plug-in cylinders after disassembly, thus realizing the batch cyclic inspection of the fishing rods.
[0031] In summary, this application includes at least one of the following beneficial technical effects:
[0032] I. This invention uses an inverted hanging method combined with an assembly line to perform batch testing of fishing rods. This not only avoids the fishing rod's own weight affecting the accuracy of the straightness test, but also improves the efficiency of the straightness test.
[0033] Second, the clamping part in this invention can not only clamp the fishing rod, but also ensure that the fishing rod and the plug tube are concentrically distributed with the cooperation of the synchronization component. The purpose is to ensure that the laser of the subsequent linkage laser detector accurately penetrates into the inside of the fishing rod after emission to realize the detection of the straightness of the fishing rod, and avoid the detection of the straightness of the fishing rod being affected by external factors.
[0034] Furthermore, hanging the fishing rod upside down avoids the impact of its own weight on the straightness detection when the fishing rod is placed horizontally.
[0035] Third, the rod tip section of the fishing rod in this invention has two structures: solid material and hollow material. Therefore, when the fishing rod is made of hollow material, the straightness of the fishing rod can be detected by two different methods, namely, display detector and linkage laser detector, or by choosing one method. When the fishing rod is made of solid material, the straightness of the fishing rod can be detected by display detector, thereby greatly improving the applicability of fishing rod detection and ensuring that this invention can detect the straightness of different types of fishing rods.
[0036] Fourth, the display detector in this invention can display the external shadow of the fishing rod by cooperating with the light receiving screen. It can not only observe with the naked eye whether the fishing rod is in a straight line, but also judge by visual inspection if the fishing rod is bent or twisted. Moreover, it can judge the straightness of the fishing rod by observing the interaction and reflection of light between the fishing rod and the light. The light will produce different brightness reflections on its surface and be directly projected onto the light receiving screen, thereby improving the accuracy of its detection. Attached Figure Description
[0037] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0038] Figure 1 This is a schematic diagram of the main structure of the present invention.
[0039] Figure 2 This is a schematic diagram of the structure of the inverted fixing device of the present invention.
[0040] Figure 3 This is a schematic diagram of the structure of the driving component of the present invention.
[0041] Figure 4 This is a schematic diagram of the structure between the driving component and the clamping part of the present invention.
[0042] Figure 5 This is a schematic diagram of the clamping part of the present invention.
[0043] Figure 6 This is a cross-sectional view of the clamping part of the present invention.
[0044] Figure 7 This is the present invention. Figure 6 A magnified view of section C in the image.
[0045] Figure 8 This is a schematic diagram of the structure of the detector of the present invention.
[0046] Figure 9 This is a schematic diagram of the structure of the linked laser detector of the present invention.
[0047] Figure 10 This is the present invention. Figure 9 Enlarged view of the local structure at point B in the image.
[0048] Figure 11 This is a schematic diagram of the structure between the lifting bracket, the anti-shake clamp, and the synchronous shaft of the present invention.
[0049] Figure 12 This is a flowchart of a method for detecting the straightness of a gantry fishing rod according to the present invention.
[0050] In the diagram, 10 is the fishing rod; 1 is the gantry frame; 2 is the inverted hanging device; 20 is the plug-in sleeve; 21 is the clamping part; 22 is the annular linkage guide rail; 3 is the display detector; 4 is the linkage laser detector; 5 is the drive component; 50 is the drive wheel; 51 is the cross; 52 is the drive belt; 53 is the drive motor; 210 is the main clamping component; 211 is the arc-shaped clamping plate; 212 is the secondary clamping component; 213 is the triangular block; 214 is the return spring; 215 is the pressing column; and 216 is the... 217. Pressing spring; 2170. Synchronization assembly; 2171. Synchronization gear; 2171. Synchronization rack; 30. Vertical frame; 31. Light emitter; 32. Fixing base; 33. Light receiving curtain wall; 40. Laser emitter; 41. Linkage component; 42. Laser receiving curtain wall; 410. Metal sensor sheet; 411. Wire; 412. Insulating column; 413. No. 2 guide rail; 414. Linkage compression spring; 60. Lifting bracket; 61. Anti-shake clip; 62. Synchronization shaft. Detailed Implementation
[0051] The following is in conjunction with the appendix Figures 1-12 The embodiments of the present invention will be described in detail, but the present invention may be implemented in many different ways as defined and covered by the claims.
[0052] This application discloses a gantry-type fishing rod straightness detection device and method. It is explained that the gantry-type fishing rod straightness detection device is mainly used in the performance batch testing process after the production of fishing rod 10. In terms of technical effect, it can avoid the problem that the middle section of the fishing rod 10 will collapse downward due to its own weight, causing the fishing rod 10 to form an arc structure, which will affect the accuracy of subsequent straightness detection.
[0053] In particular, existing technologies can measure and judge the straightness of fishing rod 10 with high precision by using machines instead of human eyes. However, after the fishing rod 10 is inspected, machine vision cannot quickly and clearly present the inspected structure, which can lead to a decrease in the accuracy of the fishing rod 10 inspection. Furthermore, during the straightness inspection process, the length of the fishing rod 10 varies, and the taper of the fishing rod 10 is also different. Existing inspection equipment has a certain degree of uniformity and cannot inspect fishing rods 10 with different tapers and lengths. In addition, some fishing rods 10 have solid tip sections, while others have hollow tip sections, which increases the difficulty of inspection.
[0054] Example 1:
[0055] Reference Figure 1 and Figure 2 As shown, a gantry-type fishing rod straightness detection device includes a gantry frame 1 and a liftable device for detecting fishing rods 10 of different lengths.
[0056] The gantry frame 1 has a U-shaped structure with a ladder at the top for operators to go up and down. The upper part of the gantry frame 1 can be raised and lowered to ensure that the gantry frame 1 can be placed and tested for fishing rods 10 of different lengths by hanging them upside down, thereby improving the applicability of the entire equipment.
[0057] The inverted fixing device 2 is installed on the gantry frame 1. The inverted fixing device 2 includes a plug-in tube 20 for plugging and fixing the handle section of the fishing rod 10 and a clamping part 21 for clamping the handle section of the fishing rod 10. The plug-in tubes 20 are evenly spaced on the inner side of the gantry frame 1, and the clamping part 21 is installed on the plug-in tubes 20.
[0058] In the prior art, the fishing rod 10 is usually tested horizontally. However, the body of the fishing rod 10 has a conical structure, so one end of the fishing rod 10 is thick and the other end is thin. When it is placed horizontally, the thinner part will sink downwards due to its own weight. This causes the fishing rod 10 to bend even after being horizontally clamped by the clamping device in the prior art. Therefore, when testing its straightness, the weight of the body will cause the test results to be incorrect, thus affecting the straightness test of the fishing rod 10.
[0059] Let's look again. Figure 1 and Figure 2 As shown, this is a structural diagram of the annular linkage guide rail 22 and the clamping part 21; the upper end of the plug-in cylinder 20 is also provided with an annular linkage guide rail 22 for linkage opening and closing of the clamping part 21; one side of the annular linkage guide rail 22 protrudes upward, and the upper end of the pressing column 215 abuts against the bottom of the annular linkage guide rail 22.
[0060] The annular linkage guide rail 22 mainly cooperates with the clamping part 21 on the plug-in tube 20. A protrusion is provided on one side of the annular linkage guide rail 22, which is the position where the handle section of the fishing rod 10 is connected to the plug-in tube 20. After the handle section of the fishing rod 10 is inserted into the plug-in tube 20, the annular linkage guide rail 22 limits and fixes the fishing rod 10 through the clamping part 21, ensuring that the fishing rod 10 and the plug-in tube 20 are concentrically distributed.
[0061] A display detector 3 for detecting the straightness of hollow rod tip sections is installed inside the connector tube 20 and directly below the connector tube 20. A linkage laser detector 4 for detecting solid rod tip sections of fishing rod 10 is also installed on the outside of the gantry frame 1.
[0062] The display detector 3 mainly uses optical instruments to detect the straightness of the fishing rod 10. It determines the straightness of the object's surface by sensing the light reflection on the object's surface.
[0063] The linkage laser detector 4 mainly utilizes the principle of laser irradiation. By irradiating the inner diameter hole of the fishing rod 10 with a laser, it observes whether the laser can penetrate the entire fishing rod 10, thereby determining whether the straightness of the fishing rod 10 is up to standard.
[0064] Reference Figure 3 The diagram shown is a schematic diagram of the structure for batch testing of fishing rods 10 in this embodiment. Specifically, the gantry frame 1 is provided with a drive component 5 for controlling the intermittent movement of the plug-in tubes 20. The drive component 5 includes drive wheels 50, crosses 51, drive belts 52, and drive motors 53. The drive wheels 50 are located at the bottom of the crosses 51 and are arranged in a rectangular pattern. The crosses 51 are mounted on the gantry frame 1. The drive belts 52 are sleeved on several drive wheels 50. The plug-in tubes 20 are evenly spaced at the bottom of the drive belts 52 and are arranged vertically downwards. The drive motor 53 is mounted on the crosses 51 through a motor mount, and the output shaft of the drive motor 53 is connected to one of the drive wheels 50.
[0065] It should be noted that the plug-in tubes 20 are installed at equal intervals on the side wall of the drive belt 52, and when the drive belt 52 rotates, it can drive the plug-in tubes 20 to rotate synchronously.
[0066] The drive motor 53 has a known existing structure. The drive motor 53 is a servo motor that can control the start and stop of the drive wheel 50 and control the drive wheel 50 to rotate intermittently at equal intervals.
[0067] The gantry frame 1 is set up on the ground and fixed. After the preparation is completed, the handle section of the fishing rod 10 is inserted into the plug tube 20 at the bottom of the drive belt 52. At this time, the drive motor 53 is started. The drive motor 53 drives the drive wheel 50 to rotate. Then, the drive motor 53 controls the movement of the drive belt 52 through the drive wheel 50.
[0068] When the drive belt 52 rotates, the fishing rod 10 placed inside the connector 20 on the drive belt 52 will be clamped by the clamping part 21 to ensure that the fishing rod 10 can be clamped inside the connector 20 and the fishing rod 10 is vertically downward. After the fishing rod 10 is fixed, the fishing rod front plug at the upper end of the handle section of the fishing rod 10 is removed, so that the other sections of the fishing rod 10 that are retracted inside the handle section of the fishing rod 10 extend and retract downward to ensure that the fishing rod 10 is naturally vertical.
[0069] Reference Figure 4 , Figure 5 and Figure 6The diagram shows the structure of the fishing rod 10 being clamped in the connector tube 20 in this embodiment. Specifically, the clamping part 21 includes a main clamping member 210, an arc-shaped clamping plate 211, a secondary clamping member 212, a triangular block 213, a reset spring 214, a pressing column 215, a pressing tension spring 216, and a synchronization component 217. The main clamping member 210 is symmetrically hinged to the connector tube 20, and one end of the main clamping member 210 is hinged to the arc-shaped clamping plate 211 to clamp the handle section of the fishing rod 10. The other end of the main clamping member 210 is hinged to the secondary clamping member 212. The secondary clamping member 212 slides through the middle of the connector tube 20. The triangular block 213 is installed on the end of the secondary clamping member 212 away from the main clamping member 210, and a reset spring 214 is sleeved on the secondary clamping member 212.
[0070] It should be noted that the main clamping member 210 is hinged to the plug-in tube 20 and can rotate. The end of the main clamping member 210 near the fishing rod 10 is also hinged to an arc-shaped clamping plate 211. The arc-shaped clamping plate 211 is covered with a layer of hard rubber. Its main purpose is to prevent the handle section of the fishing rod 10 from being worn during the clamping process, and also to prevent the fishing rod 10 from deforming after being clamped due to the softness of the rubber layer, thereby affecting the position of the fishing rod 10.
[0071] The pressing post 215 slides through the drive belt 52 and the plug tube 20, and the lower end of the pressing post 215 abuts against the inclined surface of the triangular block 213. A pressing spring 216 is sleeved between the pressing post 215 and the plug tube 20. The synchronization component 217 is arranged between two symmetrical triangular blocks 213.
[0072] In the initial state, when the operator installs the fishing rod 10, it needs to be in the designated position, that is, directly below the protrusion of the annular linkage guide rail 22. When the plug tube 20 rotates to directly below the protrusion of the annular linkage guide rail 22, the handle section of the fishing rod 10 can be inserted into the plug tube 20.
[0073] See Figure 6 and Figure 7 As shown, there is a structural schematic diagram of the connector tube 20; the connector tube 20 has an integrally manufactured horizontal plate in the middle, the purpose of which is to ensure that after the operator inserts the handle section of the fishing rod 10 into the interior of the connector tube 20, the handle section of the fishing rod 10 can directly abut against the horizontal plate, ensuring the quick installation of the fishing rod 10.
[0074] In the specific implementation process, after the operator inserts the handle section of the fishing rod 10 into the connector 20, the drive motor 53 drives the drive belt 52 to move at a uniform and slow speed. During this process, the pressing column 215 on the drive belt 52 will continue to rotate. At this time, the operator continues to hold the fishing rod 10. After the pressing column 215 moves away from the protruding part of the annular linkage guide rail 22 and enters the horizontal area of the annular linkage guide rail 22, the pressing column 215 will be squeezed by the annular linkage guide rail 22, so that the pressing column 215 squeezes the two symmetrically distributed triangular blocks 213. Then the triangular blocks 213 will push the auxiliary clamping member 212 outward, and then the auxiliary clamping member 212 squeezes one end of the main clamping member 210. At this time, the main clamping member 210 rotates around the hinge point, so that the arc-shaped clamping plate 211 on the main clamping member 210 simultaneously abuts against the handle section of the fishing rod 10, thereby clamping the fishing rod 10.
[0075] The clamping part 21 in this invention can not only clamp the fishing rod 10, but also ensure that the fishing rod 10 and the plug tube 20 are concentrically distributed with the cooperation of the synchronization component 217. The purpose is to ensure that the laser of the subsequent linkage laser detector 4 accurately penetrates into the inside of the fishing rod 10 after emission to detect the straightness of the fishing rod 10, and avoid the detection of the straightness of the fishing rod 10 due to external factors.
[0076] Furthermore, the inverted hanging method of the fishing rod 10 can prevent the fishing rod 10 from bending due to its own weight when it is placed horizontally, thus avoiding any impact on the straightness detection of the fishing rod 10.
[0077] After the fishing rod 10 is clamped by the clamping part 21, the above operation is repeated to ensure that the fishing rod 10 can be inserted into each of the several plug-in cylinders 20 on the drive belt 52, so as to achieve batch fixing of the fishing rod 10. After the fishing rod 10 is fixed, the display detector 3 set on one side of the gantry 1 starts to detect the straightness of the intermittently moving fishing rod 10, as shown below:
[0078] See Figure 8 As shown, the display detector 3 includes a vertical frame 30, a light emitter 31, a mounting base 32, and a light receiving curtain wall 33. The vertical frame 30 is located inside the gantry 1 and is vertically distributed downward in the middle of the drive belt 52. The light emitter 31 is mounted on the side wall of the gantry 1 via the mounting base 32, and the mounting base 32 is slidably distributed between the gantry 1 and the gantry 1. The light receiving curtain wall 33 is mounted on the vertical frame 30 and is used to receive the light emitted by the light emitter 31. After receiving the light, the light receiving curtain wall 33 can change color.
[0079] In the initial state, the light emitter 31 is mounted on the vertical frame 30, which is slidably mounted on the vertical end of the gantry frame 1 to ensure that the light emitter 31 can move horizontally.
[0080] It should be noted that the light emitter 31 is a known existing structure. The light emitter 31 can emit a large amount of ultraviolet light, and the ultraviolet light emitted by it can cover the entire fishing rod 10 in the ultraviolet light area.
[0081] When ultraviolet light shines on the fishing rod 10, it continues to shine on the light-receiving screen 33. The light-receiving screen 33 is made of a sensitive material. When ultraviolet light shines on the light-receiving screen 33, the screen changes color rapidly. Since the light-receiving screen 33 is located on the back side of the fishing rod 10, the area blocked by the fishing rod 10 cannot be exposed to ultraviolet light. Therefore, the light-receiving screen 33 will show obvious illuminated and unilluminated areas. By taking pictures and comparing the area where the illuminated and unilluminated areas meet, the straightness of the fishing rod 10 can be detected.
[0082] After the light emitter 31 stops irradiating with ultraviolet light, the light receiving curtain wall 33 can quickly return to the same color as the non-illuminated area after a short period of time. This not only does not affect the subsequent batch testing of fishing rods 10, but also improves the efficiency and accuracy of the straightness testing of fishing rods 10.
[0083] Secondly, it should be noted that the tip section of the fishing rod 10 has two structures: solid material and hollow material. Therefore, in order to improve the adaptability of the present invention, when the fishing rod 10 is made of hollow material, the straightness of the fishing rod 10 can be detected by two different methods: display detector 3 and linkage laser detector 4. When the fishing rod 10 is made of solid material, the straightness of the fishing rod 10 can be detected by display detector 3, thereby greatly improving the applicability of the detection of the fishing rod 10.
[0084] In this invention, the display detector 3, in conjunction with the light receiving wall 33, can display the external shadow of the fishing rod 10. It can not only observe with the naked eye whether the fishing rod 10 is in a straight line, but also judge by visual inspection if the fishing rod 10 is bent or twisted. Furthermore, it can judge the straightness of the fishing rod 10 by observing the interaction and reflection of light between the fishing rod 10 and the light. The light will produce varying degrees of reflection on its surface and be directly projected onto the light receiving wall 33, thereby improving the accuracy of its detection.
[0085] See Figure 9 and Figure 10 As shown, the linkage laser detector 4 includes a laser emitter 40, a linkage component 41, and a laser receiving wall 42. The laser emitter 40 is located inside the plug-in tube 20, with one end of the laser emitter 40 vertically downward and the laser emitter 40 and plug-in tube 20 being concentrically distributed. The linkage component 41 is located on the laser emitter 40, and the laser receiving wall 42 is located at the bottom of the gantry 1, and the laser receiving wall 42 and the laser emitter 40 are on the same straight line.
[0086] It should be noted that the laser emitter 40 is located inside the connector tube 20 and is concentrically distributed with the connector tube 20. The purpose of this is to ensure that the laser emitted by the laser emitter 40 is consistent with the laser emitted by the fishing rod 10 after the fishing rod 10 is clamped in the connector tube 20.
[0087] After the laser emitter 40 emits a laser downwards, the laser will pass through the handle section and other sections of the fishing rod 10, and finally pass through the tip section of the fishing rod 10 to hit the laser receiving screen 42. If the laser point can be detected on the laser receiving screen 42, it means that the straightness of the entire fishing rod 10 is within the acceptable range; if no laser point is detected on the laser receiving screen 42, it means that the fishing rod 10 itself has bent.
[0088] The laser emitter 40 is a known existing structure. However, if the laser emitter 40 continuously emits laser light downwards for a long time, it will result in a large waste of electrical energy. Furthermore, the existing technology for controlling the laser emitter 40 to turn it on and off makes it impossible to accurately control the excitation and emission time. Therefore, this invention proposes a linkage component 41 to ensure that the laser emitter 40 is activated at the appropriate time and place to detect the straightness of the fishing rod 10 as it rotates along the drive belt 52. Specifically:
[0089] See Figure 10 As shown, the linkage component 41 includes two symmetrically distributed metal induction plates 410 and a wire 411 connected to the metal induction plates 410. The wire 411 is located between the metal induction plates 410 and the laser emitter 40 to supply power to the laser emitter 40. The two metal induction plates 410 are located inside the plug-in tube 20, with one side of the metal induction plate 410 sliding up and down.
[0090] An insulating post 412 is abutted on a slidingly distributed metal induction plate 410. The insulating post 412 slides through the plug-in tube 20 and extends upward. A second guide rail 413 is provided on the gantry frame 1 to cooperate with the insulating post 412. A linkage spring 414 is connected between the insulating post 412 and the plug-in tube 20. A groove is opened on the annular linkage guide rail 22 for the insulating post 412 to rise and fall. A round hole is opened on the pressing post 215 for the insulating post 412 to slide, so as to avoid interference between the pressing post 215 and the insulating post 412.
[0091] It should be noted that, in the initial state, the second guide rail 413 is set above the annular linkage guide rail 22, the insulating post 412 abuts against the bottom of the second guide rail 413, and the annular linkage guide rail 22 is provided with a sliding groove for the insulating post 412 to slide, so as to avoid interference between the fishing rod 10 clamping and the fishing rod 10 detection.
[0092] In the specific implementation process, after the fishing rod 10 is clamped, the fishing rod 10 will move synchronously along the rotation direction of the drive belt 52. When the insulating post 412 on the drive belt 52 moves to the recessed position of the second guide rail 413, the recessed area of the second guide rail 413 will squeeze the insulating post 412. At this time, the insulating post 412 will press down on the movable metal sensing plate 410, so that the movable metal sensing plate 410 contacts the fixed metal sensing plate 410, thereby ensuring that the entire broken circuit of the wire 411 becomes a closed circuit. At this time, it will ensure that the laser emitter 40 can be powered on to emit laser.
[0093] After the fishing rod 10 completes the test, the fishing rod 10 will continue to rotate with the drive belt 52. During this process, the pressed insulating post 412 will leave the recessed position of the second guide rail 413. At this time, the insulating post 412 will move upward to the initial state under the action of the linkage spring 414, and the movable metal sensing plate 410 will also move upward, so that the entire laser emitter 40 will change from a circuit to an open circuit, thus realizing the power outage of the laser emitter 40.
[0094] It not only enables the laser emitter 40 to work intermittently, reducing power consumption and controlling costs, but also prevents the laser emitter 40 from causing irreversible damage to the eyes of operators working nearby due to prolonged operation.
[0095] Similarly, when the linkage component 41 can control the laser emitter 40, but is not limited to this, the linkage component 41 can control the laser emitter 40 to emit lasers to reduce its cost consumption, avoid the laser emitter 40 from wasting energy at will, and improve its service life. The linkage component 41 can also be linked with the light emitter 31 to control the irradiation time and timing of ultraviolet rays in the light emitter 31.
[0096] Example 2: Based on Example 1, in order to further improve the accuracy of the straightness detection of the fishing rod 10 in this example, the present invention also proposes a synchronization component 217.
[0097] When the pressing column 215 presses the clamping part 21, the two triangular blocks 213 may wear out due to the long-term reciprocating contact between the pressing column 215 and the triangular blocks 213, thereby affecting the displacement distance of the two triangular blocks 213 and causing the two triangular blocks 213 to be unable to move synchronously relative to each other. Therefore, the present invention also proposes a synchronization component 217.
[0098] See Figure 6 and Figure 7As shown, the synchronization component 217 is disposed between the two triangular blocks 213 to ensure that one or both of the two triangular blocks 213 can always move synchronously relative to each other after being squeezed by the pressing column 215. Specifically, the synchronization component 217 is used to control the synchronous relative movement of the two main clamping members 210. The synchronization component 217 includes a synchronization gear 2170 rotatably disposed inside the plug cylinder 20 and a synchronization rack 2171 mounted on the triangular blocks 213 and controlling the synchronous movement of the triangular blocks 213. The synchronization gear 2170 and the synchronization rack 2171 mesh with each other, and the synchronization rack 2171 is staggered and disposed on the triangular blocks 213.
[0099] One end of the synchronizing rack 2171 is connected to the triangular block 213, and the other end is engaged with the synchronizing rack 2171. When the triangular block 213 on one side is squeezed outward by the pressing column 215, the synchronizing rack 2171 connected to it moves synchronously, and in this process, it drives the synchronizing gear 2170 to rotate. At this time, the other synchronizing rack 2171 engaged with the synchronizing gear 2170 will move synchronously in the opposite direction, thereby realizing the synchronous movement of the two triangular blocks 213, further ensuring that the fishing rod 10 can be quickly and accurately concentrically distributed with the plug tube 20 during the clamping process.
[0100] See Figure 11 As shown, a lifting bracket 60 is provided on the gantry frame 1. The lifting bracket 60 is provided with the same drive wheel 50, cross 51 and drive belt 52 as the drive component 5. The drive belt 52 on the lifting bracket 60 is provided with anti-shake clips 61 that are distributed corresponding to the plug-in cylinder 20. A synchronous shaft 62 connects the drive wheel 50 on the lifting bracket 60 and the drive wheel 50 on the gantry frame 1.
[0101] The lifting bracket 60 can move up and down to accommodate fishing rods 10 of different lengths. When the fishing rod 10 is vertically downward, the tip section of the fishing rod 10 is thin and prone to swaying. Therefore, when the fishing rod 10 is vertically downward, the upper tip section can be restricted within the anti-shake clip 61 on the lifting bracket 60 to prevent the tip section of the fishing rod 10 from swaying. At the same time, it can also protect the tip section and prevent it from breaking during the straightness test.
[0102] See Figure 12 As shown, this invention also provides a method for detecting the straightness of a gantry fishing rod, as follows:
[0103] S1. Fishing rod preparation: The fishing rod 10 to be tested is transported to the testing area and placed in the designated position. Then, the operator climbs onto the ladder on the gantry 1 and adjusts the height of the gantry 1 according to the fishing rod 10 to be tested.
[0104] S2. Fishing rod fixing: Remove the rear cap from the handle section of the fishing rod 10 to be tested, and install it into the plug tube 20 at the bottom of the gantry frame 1 by inverting it. Then, clamp and fix it with the arc-shaped clamping plate 211 to ensure that the center of the fishing rod 10 and the center of the plug tube 20 are on the same straight line. The purpose is to facilitate the subsequent straightness test of the fishing rod 10. Then, remove the front cap of the fishing rod 10 and extend the other sections of the fishing rod 10 downward to ensure that the fishing rod 10 is in a natural hanging state.
[0105] S3. External detection of fishing rod: After the fishing rod 10 is fixed, ultraviolet light is emitted by the display detector 3. After the ultraviolet light shines on the fishing rod 10, it continues to shine on the light receiving screen 33. When the ultraviolet light shines on the light receiving screen 33, the light receiving screen 33 changes color rapidly. Since the light receiving screen 33 is located on the back side of the fishing rod 10, the area blocked by the fishing rod 10 cannot be illuminated by ultraviolet light. Therefore, the light receiving screen 33 will show obvious illuminated areas and non-illuminated areas. At this time, the straightness of the fishing rod 10 can be detected by taking pictures and comparing the area where the illuminated area and the non-illuminated area meet.
[0106] S4. Internal inspection of fishing rod: After the straightness of the fishing rod 10 is measured by projection on the outside, the laser detector 4 is linked to project a laser onto the inside of the rod to check the straightness of the fishing rod 10 again and observe whether the fishing rod 10 has been deformed.
[0107] It should be noted that the tip section of the fishing rod 10 has two structures: solid material and hollow material. Therefore, in order to improve the adaptability of the present invention, when the fishing rod 10 is made of hollow material, the straightness of the fishing rod 10 can be detected by two different methods: display detector 3 and linkage laser detector 4. When the fishing rod 10 is made of solid material, the straightness of the fishing rod 10 can be detected by display detector 3, thereby greatly improving the applicability of the detection of the fishing rod 10.
[0108] S5. Cyclic Inspection: After the fishing rod 10 has completed the inspection, the straightness of the fishing rod 10 is inspected in batches through an assembly line. The inspected fishing rod 10 is disassembled, and the fishing rod 10 to be inspected is installed into the empty plug tube 20 after disassembly, so as to realize the batch cyclic inspection of the fishing rod 10.
[0109] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be regarded as exemplary and non-limiting in all respects. The scope of the invention is defined by the appended claims rather than the foregoing description. Therefore, it is intended that all variations falling within the meaning and scope of the equivalents of the claims be included within the invention, and no reference numerals in the claims should be regarded as limiting the scope of the claims.
[0110] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A gantry-type fishing rod straightness detection device, characterized in that: include Gantry (1), a liftable device for testing fishing rods of different lengths; The inverted fixing device (2) is installed on the gantry frame (1). The inverted fixing device (2) includes a plug-in tube (20) for plugging and fixing the fishing rod handle section and a clamping part (21) for limiting the fishing rod handle section. The plug-in tubes (20) are evenly spaced on the inside of the gantry frame (1), and the clamping part (21) is installed on the plug-in tubes (20). The upper end of the plug tube (20) is also provided with an annular linkage guide rail (22) for linkage opening and closing of the clamping part (21). A display detector (3) for detecting the straightness of solid rod tip sections is provided inside the plug tube (20) and directly below the plug tube (20). A linkage laser detector (4) for detecting hollow rod tip sections is also provided on the outside of the gantry (1). The clamping part (21) includes a main clamping member (210), an arc-shaped clamping plate (211), a secondary clamping member (212), a triangular block (213), a reset spring (214), a pressing post (215), and a pressing tension spring (216). The main clamping member (210) is symmetrically hinged to the plug-in tube (20), and one end of the main clamping member (210) is hinged to the arc-shaped clamping plate (211) to clamp the handle section of the fishing rod. The other end of the main clamping member (210) is hinged to the secondary clamping member (212). The secondary clamping member (212) slides through the middle of the plug-in tube (20). The triangular block (213) is installed at the end of the secondary clamping member (212) away from the main clamping member (210), and a reset spring (214) is sleeved on the secondary clamping member (212). The pressing post (215) slides through the drive belt (52) and the plug tube (20), and the lower end of the pressing post (215) abuts against the inclined surface of the triangular block (213). A pressing spring (216) is sleeved between the pressing post (215) and the plug tube (20). The linkage laser detector (4) includes a laser emitter (40), a linkage component (41), and a laser receiving wall (42). The laser emitter (40) is located inside the plug-in tube (20). One end of the laser emitter (40) emits laser light vertically downwards, and the laser emitter (40) and the plug-in tube (20) are concentrically distributed. The linkage component (41) is located on the laser emitter (40). The laser receiving wall (42) is located at the bottom of the gantry (1), and the laser receiving wall (42) and the laser emitter (40) are on the same straight line. The linkage component (41) includes two symmetrically distributed metal induction plates (410) and a wire (411) connected to the metal induction plates (410). The wire (411) is located between the metal induction plates (410) and the laser emitter (40) to supply power to the laser emitter (40). The two metal induction plates (410) are located inside the plug tube (20), and one of the metal induction plates (410) slides up and down. An insulating column (412) is abutted on a sliding metal induction plate (410). The insulating column (412) slides through the plug-in tube (20) and extends upward. A second guide rail (413) is provided on the gantry frame (1) to cooperate with the insulating column (412). A linkage spring (414) is connected between the insulating column (412) and the plug-in tube (20). A groove is opened on the annular linkage guide rail (22) for the insulating column (412) to rise and fall. A round hole is opened on the pressing column (215) for the insulating column (412) to slide, so as to avoid interference between the pressing column (215) and the insulating column (412). The second guide rail (413) has a downward recessed area, which is used to control the laser emission of the linkage laser detector (4).
2. The gantry-type fishing rod straightness detection device according to claim 1, characterized in that: A drive component (5) is provided on the gantry (1) to control the intermittent movement of the plug-in cylinders (20). The drive component (5) includes a drive wheel (50), a cross (51), a drive belt (52), and a drive motor (53). The drive wheel (50) is located at the bottom of the cross (51) and the drive wheel (50) is distributed in a rectangular shape. The cross (51) is installed on the gantry (1). The drive belt (52) is sleeved on several drive wheels (50). The plug-in cylinders (20) are evenly spaced at the bottom of the drive belt (52) and are distributed vertically downwards. The drive motor (53) is installed on the cross (51) through a motor mount, and the output shaft of the drive motor (53) is connected to the drive wheel (50) on one side.
3. The gantry-type fishing rod straightness detection device according to claim 1, characterized in that: One side of the annular linkage guide rail (22) protrudes upward, and the upper end of the pressing column (215) abuts against the bottom of the annular linkage guide rail (22).
4. The gantry-type fishing rod straightness detection device according to claim 1, characterized in that: The display detector (3) includes a vertical frame (30), a light emitter (31), a fixed base (32), and a light receiving curtain wall (33). The vertical frame (30) is located inside the gantry (1) and is vertically distributed in the middle of the drive belt (52). The light emitter (31) is mounted on the side wall of the gantry (1) through the fixed base (32), and the fixed base (32) slides between the gantry (1). The light receiving curtain wall (33) is located on the vertical frame (30) and is used to receive the light emitted by the light emitter (31). After receiving the light, the light receiving curtain wall (33) changes color.
5. The gantry-type fishing rod straightness detection device according to claim 1, characterized in that: A lifting bracket (60) is provided on the gantry (1). The lifting bracket (60) is provided with the same drive wheel (50), cross (51) and drive belt (52) as the drive component (5). The drive belt (52) on the lifting bracket (60) is provided with anti-shake clips (61) corresponding to the plug-in cylinder (20). The drive wheel (50) on the lifting bracket (60) and the drive wheel (50) on the gantry (1) are connected by a synchronous shaft (62).
6. A method for detecting the straightness of a gantry fishing rod, using the gantry fishing rod straightness detection device described in any one of claims 1-5, characterized in that: The method for testing the straightness of a gantry fishing rod is as follows: S1. Fishing rod preparation: Transport the fishing rod to be tested to the testing area and place the fishing rod in the designated position. Then, climb the ladder on the gantry (1) and adjust the height of the gantry (1) according to the fishing rod to be tested. S2, Fishing rod clamping: The handle section of the fishing rod to be tested is installed into the plug tube (20) at the bottom of the gantry (1) by inverting it, and clamped by the clamping part (21). At the same time, the other sections of the fishing rod are extended downward to ensure that the fishing rod is in a natural hanging position. S3, external inspection of fishing rod: After the fishing rod is clamped, the side of the fishing rod is illuminated by the display detector (3). The shadow of the fishing rod after illumination is projected onto the designated area, and then the fishing rod is observed to see if it is deformed. S4. Fishing rod internal inspection: After the straightness of the fishing rod is projected on the outside, the linkage laser detector (4) projects laser onto its inside to check the straightness of the fishing rod again and observe whether the fishing rod is deformed. S5. Cyclic Inspection: After the fishing rods have been inspected, the straightness of the fishing rods is inspected in batches through an assembly line. The inspected fishing rods are disassembled and the fishing rods to be inspected are installed into the empty plug tube (20) after disassembly, so as to realize the batch cyclic inspection of the fishing rods.
Citation Information
Patent Citations
Gantry type fishing rod straightness detection device based on machine vision and method thereof
CN116697936A
Fishing rod detection device for auxiliary production
CN112595592A
Multi-station high-strength fishing rod detection and calibration device
CN218885627U