Device for detecting inner diameter and outer diameter of rubber sealing ring

Abstract

The invention relates to the technical field of rubber sealing ring detection, and particularly discloses a rubber sealing ring inner and outer diameter detection device, which comprises a base, a plurality of limiting grooves, a first guide rod, a first motor, a first connecting rod and a turntable, the two ends of the first guide rod are arranged on the inner side and the outer side of an inner cavity of the limiting groove correspondingly, the first motor is connected to the middle of the bottom end of the inner cavity of the base through screws and electrically connected with an encoder, the bottom end of the first connecting rod is locked to the output end of the first motor through a coupler, and the top of the outer wall of the first connecting rod is fixedly sleeved with the rotating disc. According to the device, high initial investment, complex maintenance requirements and harsh requirements on the use environment of visual detection equipment are avoided, the problem of errors caused by elastic deformation of a sealing ring in traditional caliper measurement is solved, the detection cost can be remarkably reduced while the measurement precision is guaranteed, and the detection efficiency and reliability are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of rubber seal ring detection, and particularly to a device for detecting the inner and outer diameters of a rubber seal ring. Background Art

[0002] In the field of industrial production and manufacturing, rubber seal rings, as a key sealing element, are widely used in various mechanical equipment, pipeline systems, and automotive parts. It is mainly made of rubber material, has good elasticity, flexibility, and sealing performance, and can effectively prevent liquid or gas leakage, ensuring the normal operation and safety of the equipment. The quality of the rubber seal ring is directly related to the sealing effect and reliability of the entire equipment. Therefore, the detection of its dimensional accuracy is particularly important; The inner and outer diameters of the rubber seal ring are important dimensional parameters, which directly affect the sealing performance and assembly accuracy of the seal ring. If the inner and outer diameter dimensions do not meet the design requirements, it may cause difficulties in the installation process of the seal ring, unable to be correctly installed in place, or problems such as premature wear and leakage during use, thus affecting the overall performance and life of the equipment. Therefore, the accurate detection of the inner and outer diameters of the rubber seal ring is an important link to ensure product quality and performance; In the prior art, two methods are usually used to detect the inner and outer diameters of rubber seal rings: visual inspection equipment and calipers. The visual inspection equipment uses a high-resolution camera to capture the image of the seal ring, and through advanced image processing algorithms, the image is analyzed and processed to measure dimensional parameters such as the inner and outer diameters of the seal ring. This method has the advantages of high precision, high efficiency, and automation, and can quickly and accurately obtain the measurement results. However, the visual inspection equipment also has some deficiencies. On the one hand, its initial investment is relatively large, including the procurement costs of high-performance cameras, image processing units, and other hardware devices. On the other hand, the equipment needs to be calibrated and maintained regularly to ensure measurement accuracy and stability, and the maintenance cost is also relatively high. In addition, the visual inspection equipment has certain requirements for the use environment, such as lighting conditions, environmental cleanliness, etc., and these factors may affect the accuracy of the measurement results; Another commonly used detection method is to use calipers. Calipers have the advantages of simple operation and convenient carrying, and can directly measure the inner and outer diameters of rubber seal rings. When using calipers for measurement, the measurer fits the measuring surface of the calipers on the outer or inner diameter of the seal ring, and reads the value on the calipers to obtain the measurement result. However, due to the soft texture and certain elasticity of the rubber seal ring, during the measurement process, the measuring surface of the calipers may exert pressure on the seal ring, causing it to deform. This deformation will cause the measurement result to deviate from the actual size, thus affecting the measurement accuracy. Especially for some rubber seal rings with thinner walls and greater elasticity, the error generated by caliper measurement may be more obvious. Summary of the Invention

[0003] The purpose of the present invention is to provide a device for detecting the inner and outer diameters of a rubber sealing ring, so as to solve the problems of relatively high input cost and error in detection results proposed in the prior art.

[0004] To achieve the above object, the present invention provides the following technical solution: A device for detecting the inner and outer diameters of a rubber sealing ring, comprising: a base, a limiting groove, a first guide rod, a first motor, a first connecting rod, a turntable, a driving groove, an outer diameter detection mechanism, a first sliding column, a first sliding groove and an inner support assembly. A plurality of limiting grooves communicating with its inner cavity are equidistantly arranged along the circumference at the top end of the base. The two ends of the first guide rod are respectively arranged on the inner and outer sides of the inner cavity of the limiting groove. The first motor is screwed to the middle part of the bottom end of the inner cavity of the base. The first motor is electrically connected with an encoder. The bottom end of the first connecting rod is locked to the output end of the first motor through a coupling. The turntable is fixedly sleeved on the outer wall of the top of the first connecting rod. A plurality of driving grooves penetrating up and down are equidistantly arranged along the circumference at the top end of the turntable. The positions of the plurality of driving grooves correspond to the positions of the plurality of limiting grooves one by one. The number of the first sliding columns is several. The middle parts of the outer walls of the plurality of first sliding columns are respectively slidably and adaptively inserted into the inner sides of the inner cavities of the plurality of limiting grooves. The first sliding column is slidably sleeved on the outer wall of the first guide rod. The bottom end of the outer wall of the first sliding column is slidably and adaptively inserted into the inner side of the inner cavity of the driving groove corresponding to its position. Two first sliding grooves are opened at the top end of the first sliding column along the direction of the limiting groove. The inner support assembly is arranged at the top end of the first sliding column. The inner support assembly can support the rubber sealing ring and prevent the rubber sealing ring from undergoing elastic deformation. The outer diameter detection mechanism is arranged at the top end of the base.

[0005] Preferably, the inner support assembly includes: a second guide rod, a first spring, a first slider, a push block, a first proximity switch. The two ends of the second guide rod are respectively arranged on the inner and outer sides of the inner cavity of the first sliding groove. The first spring is sleeved on the inner side of the outer wall of the second guide rod. The inner end of the first spring is clamped to the inner side of the inner cavity of the first sliding groove. The first slider is slidably and adaptively inserted into the outer side of the inner cavity of the first sliding groove. The first slider is slidably sleeved on the outer wall of the second guide rod. The outer end of the first spring is clamped to the outer wall of the first slider. The bottom end of the push block is arranged at the top end of the first slider. The first proximity switch is arranged in the middle of the outer side of the bottom end of the push block. The first proximity switch is located outside the first sliding column. The first proximity switch is electrically connected with the first motor.

[0006] Preferably, the outer diameter detection mechanism includes: a toothed ring, a moving component, a clamping component, and a driving component. The toothed ring is rotatably sleeved on the outer wall top of the base. The moving component is arranged on the top of the base. The clamping component is arranged inside the moving component. The moving component can drive the clamping component to move. The clamping component is used to contact the outer wall of the rubber sealing ring and prevent the rubber sealing ring from being squeezed and deformed. The driving component is arranged on the outer wall of the base and is used to drive the toothed ring to rotate.

[0007] Preferably, the clamping component includes: a second sliding column, a clamping block, a third sliding column, and a second proximity switch. The second sliding column is slidably and adaptively inserted into the outer side of the inner cavity of the limiting groove. The second sliding column is slidably sleeved on the outer wall of the first guide rod. The clamping block is arranged at the top of the second sliding column. A number of the clamping blocks and a number of pushing blocks correspond one by one. The upper and lower ends of the third sliding column are respectively arranged at the outer ends of the upper and lower sides of the inner cavity of the clamping block. The second proximity switch is arranged in the middle of the inner side of the clamping block.

[0008] Preferably, the moving component includes: a rack, a third sliding groove, a fourth guide rod, a second spring, a support component, a rotating rod, and a first gear. A vertically penetrating third sliding groove is formed along the direction of the limiting groove on the inner side of the top of the rack. The middle part of the outer wall of the third sliding column is slidably and adaptively inserted into the inner side of the inner cavity of the third sliding groove. The position of the rack corresponds to the position of the second proximity switch. The two ends of the fourth guide rod are respectively arranged on the inner and outer sides of the inner cavity of the third sliding groove. The third sliding column is slidably sleeved on the outer wall of the fourth guide rod. The second spring is sleeved on the inner side of the outer wall of the fourth guide rod. The inner end of the second spring is clamped on the inner side of the inner cavity of the third sliding groove. The outer end of the second spring is clamped on the outer wall of the third sliding column. The support component is arranged on the top of the base. The support component can support and limit the rack. The number of the rotating rods is several. The bottom ends of the several rotating rods are respectively rotatably arranged on the outer side of the top of the base at equal intervals along the circumference through bearings. The first gear is sleeved on the outer wall of the rotating rod and is locked by a set screw.

[0009] Preferably, several of the first gears are all meshed with the internal teeth of the toothed ring. Several of the first gears respectively correspond to several of the racks, and several of the first gears are respectively meshed with several of the racks.

[0010] Preferably, an infrared distance sensor is arranged at the outer top end of the pushing block, and the position of the infrared distance sensor corresponds to the position of the clamping block.

[0011] Preferably, the distance between the first slider and the inner side of the inner cavity of the first sliding groove is greater than the distance between the outer wall of the first sliding column and the first proximity switch.

[0012] Preferably, the distance between the third sliding column and the outer side of the inner cavity of the third sliding groove is greater than the distance between the inner end of the rack and the second proximity switch.

[0013] A device for detecting the inner and outer diameters of a rubber sealing ring proposed by the present invention has the following beneficial effects: 1. In the present invention, the rubber sealing ring is placed at the top of the base, and the push block is located in the inner cavity of the rubber sealing ring. The first motor is started. The output end of the first motor drives the turntable to rotate through the first connecting rod. The rotation of the turntable can drive the driving groove to rotate. Through the limitation of the first sliding column by the limiting groove, the rotation of the driving groove can cause the first sliding column to drive the push block to slide outward along the inner cavity of the limiting groove, so that the rubber sealing ring can be expanded into a circular shape by the push block until the push block contacts the inner wall of the rubber sealing ring. The rubber sealing ring is used to limit the push block. Furthermore, when the first sliding column continues to slide outward along the inner cavity of the limiting groove, the first slider can be caused to drive the push block to move inward along the inner cavity of the first sliding groove, and then the first sliding column can be caused to move below the first proximity switch. When the first proximity switch detects the first sliding column, the first motor can be caused to turn off, thereby preventing the rubber sealing ring from undergoing elastic deformation. Then, by detecting the rotation angle of the output end of the first motor through the encoder connected to the first motor, the moving distance of the push block can be calculated, and thus the inner diameter of the rubber sealing ring can be calculated.

[0014] 2. In the present invention, the driving assembly causes the toothed ring to rotate. The rotation of the toothed ring can cause the first gear to rotate clockwise. The clockwise rotation of the first gear can cause the rack to push the clamping block to move inward along the inner cavity of the limiting groove until the clamping block contacts the outer wall of the rubber sealing ring. The outer wall of the rubber sealing ring can be used to squeeze the clamping block to drive the third sliding column to slide outward along the inner cavity of the third sliding groove. Then, the rack can be caused to gradually contact the second proximity switch until the second proximity switch detects the rack. The second proximity switch causes the toothed ring to stop rotating, thereby preventing the clamping block from squeezing the rubber sealing ring to cause elastic deformation. The width of the rubber sealing ring can be measured by the infrared distance measuring sensor, and the outer diameter of the rubber sealing ring can be reflected by calculating the moving distance of the clamping block.

[0015] 3. This device not only avoids the high initial investment, complex maintenance requirements and strict requirements for the use environment of visual inspection equipment, but also solves the error problem caused by the elastic deformation of the sealing ring in traditional caliper measurement. It can significantly reduce the detection cost while ensuring the measurement accuracy, improve the detection efficiency and reliability, ensure that the size parameters of the rubber sealing ring meet the design requirements, thereby improving the overall sealing performance, assembly accuracy and service life of the equipment, and providing a more economical, efficient and accurate solution for quality control in the industrial production and manufacturing fields. Description of the Drawings

[0016] Figure 1Schematic diagram of the structure of the present invention; Figure 2 Exploded view of the present invention; Figure 3 Front view sectional view of the pushing block; Figure 4 Exploded view of the outer diameter detection mechanism; Figure 5 Schematic diagram of the structure of the pushing block; Figure 6 Schematic diagram of the structure of the clamping block; Figure 7 For Figure 2 Enlarged view of part A of Figure 8 For Figure 2 Enlarged view of part B of Figure 9 For Figure 3 Enlarged view of part C of Figure 10 For Figure 4 Enlarged view of part D of

[0017] In the figure: 1, base; 2, limit groove; 3, first guide rod; 4, first motor; 5, first connecting rod; 6, turntable; 7, driving groove; 8, outer diameter detection mechanism; 81, toothed ring; 82, positioning seat; 83, rack; 84, second chute; 85, third chute; 86, third guide rod; 87, second slider; 88, fourth guide rod; 89, second spring; 810, second sliding column; 811, clamping block; 812, third sliding column; 813, second proximity switch; 814, rotating rod; 815, first gear; 816, second motor; 817, second connecting rod; 818, second gear; 9, first sliding column; 10, first chute; 11, second guide rod; 12, first spring; 13, first slider; 14, pushing block; 15, first proximity switch; 16, infrared distance measuring sensor. Detailed implementation manners

[0018] Next, the technical solutions in the embodiments of the present invention 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 the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figures 1 - 10The present invention provides a technical solution for detecting inner and outer diameters of a rubber sealing ring, comprising: a base 1, a limit groove 2, a first guide rod 3, a first motor 4, a first connecting rod 5, a turntable 6, a driving groove 7, an outer diameter detecting mechanism 8, a first slide column 9, a first slide groove 10, a second guide rod 11, a first spring 12, a first slider 13, a push block 14, a first proximity switch 15 and an infrared ranging sensor 16. The top of the base 1 is provided with a plurality of limit grooves 2 connected to its inner cavity at equal intervals along the circumferential direction. The two ends of the first guide rod 3 are respectively arranged at the inner and outer sides of the inner cavity of the limit groove 2. The first motor 4 is screwed to the middle part of the bottom end of the inner cavity of the base 1. The first motor 4 is electrically connected to an encoder. The first motor 4 is a prior art. The first motor 4 is a servo motor. There is no need to elaborate on this. The first motor 4 is used here to drive the turntable 6 to rotate. The bottom end of the first connecting rod 5 is locked to the output end of the first motor 4 through a coupling. The turntable 6 is fixedly sleeved on the top of the outer wall of the first connecting rod 5. The top of the turntable 6 is equidistantly provided with a plurality of driving grooves 7 that penetrate up and down along the circumferential direction. The positions of the plurality of driving grooves 7 correspond one to one to the positions of the plurality of limiting grooves 2. The first sliding column 9 can be limited by the limiting groove 2. The rotation of the turntable 6 can drive the driving groove 7 to rotate. The rotation of the driving groove 7 can drive the first sliding column 9 to slide along the inner cavity of the limiting groove 2. There are several first sliding columns 9. The middle parts of the outer walls of the plurality of first sliding columns 9 can be slidably adapted and inserted into the inner sides of the inner cavities of the plurality of limiting grooves 2 respectively. The first sliding column 9 can The first slide post 9 is slidably sleeved on the outer wall of the first guide rod 3, and the bottom end of the outer wall of the first slide post 9 can be slidably adapted and inserted into the inner side of the inner cavity of the driving groove 7 corresponding to its position. The top of the first slide post 9 is provided with two first slide grooves 10 along the direction of the limit groove 2. The first slide post 9 is used to drive the push block 14 to move. The two ends of the second guide rod 11 are respectively arranged on the inner and outer sides of the inner cavity of the first slide groove 10. The second guide rod 11 can prevent the first slider 13 from escaping from the inner cavity of the first slide groove 10. The first spring 12 is sleeved on the inner side of the outer wall of the second guide rod 11, and the inner end of the first spring 12 is clamped on the inner side of the inner cavity of the first slide groove 10. The first spring 12 is a rotation spring, which is elastically deformed after being squeezed or stretched by external force, and returns to its initial state after the external force is removed. The spring 12 is used to support the first slider 13. The first slider 13 can be slidably adapted and inserted into the outer side of the inner cavity of the first slide groove 10. The first slider 13 can be slidably sleeved on the outer wall of the second guide rod 11. The outer end of the first spring 12 is clamped on the outer wall of the first slider 13. The bottom end of the push block 14 is arranged at the top end of the first slider 13. The push block 14 is used to open the rubber sealing ring from the inside. The infrared ranging sensor 16 is arranged at the outer top end of the push block 14. The position of the infrared ranging sensor 16 corresponds to the position of the clamping block 811. The infrared ranging sensor 16 is a prior art and will not be described in detail here. The infrared ranging sensor 16 is used to detect the distance between the push block 14 and the clamping block 811, so as to judge the width of the rubber sealing ring.The first proximity switch 15 is arranged in the middle of the outer side of the bottom end of the push block 14. The first proximity switch 15 is located outside the first sliding column 9. The first proximity switch 15 is electrically connected to the first motor 4. The first proximity switch 15 is a prior art and will not be elaborated here. The first proximity switch 15 is used here to control the first motor 4 to turn off. The distance between the first slider 13 and the inner side of the inner cavity of the first sliding groove 10 is greater than the distance between the outer wall of the first sliding column 9 and the first proximity switch 15, ensuring that the first proximity switch 15 can detect the first sliding column 9. The outer diameter detection mechanism 8 is arranged at the top end of the base 1. The outer diameter detection mechanism 8 is used to detect the outer diameter of the rubber sealing ring.

[0020] As a preferred solution, further, the outer diameter detection mechanism 8 includes: a toothed ring 81, a support assembly, a rack 83, a third chute 85, a fourth guide rod 88, a second spring 89, a second sliding column 810, a clamping block 811, a third sliding column 812, a second proximity switch 813, a rotating rod 814, a first gear 815 and a driving assembly. The toothed ring 81 is rotatably sleeved on the outer wall top of the base 1. The driving assembly is arranged on the outer wall of the base 1 and is used to drive the toothed ring 81 to rotate. The second sliding column 810 is slidably and adaptively inserted into the outer side of the inner cavity of the limiting groove 2. The second sliding column 810 is slidably sleeved on the outer wall of the first guide rod 3. The clamping block 811 is arranged at the top of the second sliding column 810. A plurality of clamping blocks 811 and a plurality of pushing blocks 14 correspond one by one. The clamping block 811 is used to contact the outer wall of the rubber sealing ring, so as to detect the outer diameter of the rubber sealing ring. The upper and lower ends of the third sliding column 812 are respectively arranged at the outer ends of the upper and lower sides of the inner cavity of the clamping block 811. The second proximity switch 813 is arranged in the middle of the inner side of the clamping block 811. The second proximity switch 813 is a prior art and will not be elaborated here too much. The second proximity switch 813 is used to control the driving assembly to turn off here. A vertically penetrating third chute 85 is arranged along the direction of the limiting groove 2 at the inner side of the top of the rack 83. The middle part of the outer wall of the third sliding column 812 is slidably and adaptively inserted into the inner side of the inner cavity of the third chute 85. The position of the rack 83 corresponds to the position of the second proximity switch 813. The rack 83 is used to push the clamping block 811 to move. The distance between the third sliding column 812 and the outer side of the inner cavity of the third chute 85 is greater than the distance between the inner end of the rack 83 and the second proximity switch 813, ensuring that the second proximity switch 813 can detect the rack 83. The two ends of the fourth guide rod 88 are respectively arranged at the inner and outer sides of the inner cavity of the third chute 85. The third sliding column 812 is slidably sleeved on the outer wall of the fourth guide rod 88. The second spring 89 is sleeved on the inner side of the outer wall of the fourth guide rod 88. The inner end of the second spring 89 is clamped to the inner side of the inner cavity of the third chute 85. The outer end of the second spring 89 is clamped to the outer wall of the third sliding column 812. The second spring 89 is a torsion spring and undergoes elastic deformation after being extruded or stretched by an external force and returns to its initial state after the external force is removed. The second spring 89 is used to support the third sliding column 812 here. The support assembly is arranged on the top of the base 1. The support assembly can be used to support and limit the rack 83. The number of rotating rods 814 is several. The bottom ends of the several rotating rods 814 are respectively rotatably arranged on the outer side of the top of the base 1 at equal circumferential intervals through bearings. The first gear 815 is sleeved on the outer wall of the rotating rod 814 and is locked by a set screw. The several first gears 815 are all meshed with the internal teeth of the toothed ring 81. The several first gears 815 and the several racks 83 correspond one by one. The several first gears 815 are respectively meshed with the several racks 83.

[0021] As a preferred solution, further, the driving assembly includes: a second motor 816, a second connecting rod 817, and a second gear 818. The second motor 816 is screw - connected to the outer wall of the base 1. The second motor 816 is electrically connected to the second proximity switch 813 and is electrically connected to an encoder. The second connecting rod 817 is locked to the output end of the second motor 816 through a coupling. The second gear 818 is sleeved on the outer wall of the second connecting rod 817 and is locked by a set screw. The second gear 818 meshes with the external teeth of the toothed ring 81.

[0022] As a preferred solution, further, the supporting assembly includes: positioning seats 82, second chutes 84, third guide rods 86, and second sliders 87. The number of positioning seats 82 is several. The several positioning seats 82 are respectively arranged at equal intervals along the circumference on the outer side of the top end of the base 1. The several positioning seats 82 respectively correspond to several racks 83 one by one. A second chute 84 is opened at the top end of the rack 83. Both ends of the third guide rod 86 are respectively arranged on the inner and outer sides of the inner cavity of the second chute 84. The second slider 87 is slidably embedded in the inner cavity of the second chute 84. The second slider 87 is slidably sleeved on the outer wall of the third guide rod 86. The top end of the second slider 87 is arranged at the bottom end of the positioning seat 82.

[0023] The detailed connection means are well - known techniques in the art. The following mainly introduces the working principle and process, and the specific work is as follows.

[0024] Step 1: During use, place the rubber sealing ring on the top end of the base 1 and make the push block 14 located in the inner cavity of the rubber sealing ring. Start the first motor 4. The output end of the first motor 4 drives the turntable 6 to rotate through the first connecting rod 5. The rotation of the turntable 6 can drive the driving groove 7 to rotate. Since the first sliding column 9 can be limited by the limiting groove 2, when the driving groove 7 rotates, the first sliding column 9 can be prompted to slide outward along the inner cavity of the limiting groove 2. Thus, the push block 14 can be driven to move outward by the first sliding column 9 until the push block 14 contacts the inner wall of the rubber sealing ring. The first sliding column 9 continues to slide outward along the inner cavity of the limiting groove 2. Then, the inner wall of the rubber sealing ring can block the push block 14. Thus, the push block 14 can drive the first slider 13 to move inward along the first chute 10 and squeeze the first spring 12 to generate elastic deformation until the first sliding column 9 moves below the first proximity switch 15. When the first proximity switch 15 detects the first sliding column 9, the first proximity switch 15 controls the first motor 4 to turn off, and the first sliding column 9 stops moving. Thus, the rotation degree of the output end of the first motor 4 is calculated through the encoder connected to the first motor 4, and then the moving distance of the push block 14 can be calculated. Furthermore, the inner diameter of the rubber sealing ring can be calculated through the moving distance of the push block 14. Step 2: Start the second motor 816. The output end of the second motor 816 drives the second gear 818 to rotate through the second connecting rod 817. The rotation of the second gear 818 can cause the toothed ring 81 to rotate. The rotation of the toothed ring 81 can cause the first gear 815 to rotate clockwise. The clockwise rotation of the first gear 815 can cause the rack 83 to push the clamping block 811 to slide inward along the inner cavity of the limiting groove 2 until the clamping block 811 contacts the outer wall of the rubber sealing ring. When the rack 83 continues to push the clamping block 811 to slide inward along the inner cavity of the limiting groove 2, the outer wall of the rubber sealing ring can be used to block the clamping block 811, thereby causing the third sliding column 812 to slide outward along the inner cavity of the third sliding groove 85 and squeezing the second spring 89 to deform elastically. Furthermore, the rack 83 can be made to gradually approach the clamping block 811 until the second proximity switch 813 detects the rack 83. The second motor 816 is controlled to turn off by using the second proximity switch 813, thereby causing the rack 83 to stop moving. By using the encoder connected to the second motor 816 to calculate the rotation angle of the output end of the second motor 816, the moving distance of the rack 83 can be calculated, and thus the outer diameter of the rubber sealing ring can be calculated. The distance between the pushing block 14 and the clamping block 811 is detected by using the infrared distance measuring sensor 16, and thus the width of the rubber sealing ring can be determined.

[0025] This device not only avoids the high initial investment, complex maintenance requirements, and strict requirements for the use environment of vision detection equipment, but also solves the error problem caused by the elastic deformation of the sealing ring in traditional caliper measurement. It can significantly reduce the detection cost while ensuring the measurement accuracy, improve the detection efficiency and reliability, ensure that the size parameters of the rubber sealing ring meet the design requirements, thereby enhancing the overall sealing performance, assembly accuracy, and service life of the equipment, and providing a more economical, efficient, and accurate solution for quality control in the industrial production and manufacturing fields.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rubber sealing ring inner and outer diameter detection device, characterized in that, Comprising: A base (1), at the top of the base (1), a plurality of limiting grooves (2) communicating with its inner cavity are equidistantly arranged circumferentially; A first guide rod (3), both ends of the first guide rod (3) are respectively arranged on the inner and outer sides of the inner cavity of the limiting groove (2); A first motor (4), the first motor (4) is screwed to the middle of the bottom end of the inner cavity of the base (1), and the first motor (4) is electrically connected to an encoder; A first connecting rod (5), the bottom end of the first connecting rod (5) is locked to the output end of the first motor (4) through a coupling; A turntable (6), the turntable (6) is fixedly sleeved on the top of the outer wall of the first connecting rod (5), and a plurality of driving grooves (7) penetrating up and down are equidistantly arranged circumferentially at the top of the turntable (6), and the positions of the plurality of driving grooves (7) correspond to the positions of the plurality of limiting grooves (2) one by one; A first sliding column (9), the number of the first sliding columns (9) is several, the middle parts of the outer walls of the plurality of first sliding columns (9) are respectively slidably and adaptively inserted into the inner sides of the inner cavities of the plurality of limiting grooves (2), the first sliding column (9) is slidably sleeved on the outer wall of the first guide rod (3), the bottom end of the outer wall of the first sliding column (9) is slidably and adaptively inserted into the inner side of the inner cavity of the driving groove (7) corresponding to its position, and two first sliding grooves (10) are arranged at the top end of the first sliding column (9) along the direction of the limiting groove (2); An inner support assembly, the inner support assembly is arranged at the top end of the first sliding column (9), and the inner support assembly can support the rubber sealing ring and prevent the rubber sealing ring from undergoing elastic deformation; An outer diameter detection mechanism (8), the outer diameter detection mechanism (8) is arranged at the top end of the base (1).

2. The inner and outer diameter detection device for a rubber sealing ring according to claim 1, characterized in that, The inner support assembly includes: A second guide rod (11), both ends of the second guide rod (11) are respectively arranged on the inner and outer sides of the inner cavity of the first sliding groove (10); A first spring (12), the first spring (12) is sleeved on the inner side of the outer wall of the second guide rod (11), and the inner end of the first spring (12) is clamped to the inner side of the inner cavity of the first sliding groove (10); A first slider (13), the first slider (13) is slidably and adaptively inserted into the outer side of the inner cavity of the first sliding groove (10), the first slider (13) is slidably sleeved on the outer wall of the second guide rod (11), and the outer end of the first spring (12) is clamped to the outer wall of the first slider (13); A push block (14), the bottom end of the push block (14) is arranged at the top end of the first slider (13); A first proximity switch (15), the first proximity switch (15) is arranged in the middle of the outer side of the bottom end of the push block (14), the first proximity switch (15) is located outside the first sliding column (9), and the first proximity switch 15 is electrically connected to the first motor 4.

3. The inner and outer diameter detection device of a rubber sealing ring according to claim 2, characterized in that, The outer diameter detection mechanism (8) includes: A toothed ring (81), the toothed ring (81) is rotatably sleeved on the top end of the outer wall of the base (1); A moving assembly, the moving assembly is arranged at the top end of the base (1); Clamping assembly, the clamping assembly is arranged inside the moving assembly, and the moving assembly can drive the clamping assembly to move. The clamping assembly is used to contact the outer wall of the rubber sealing ring and prevent the rubber sealing ring from being extruded and deformed. Driving assembly, the driving assembly is arranged on the outer wall of the base (1), and the driving assembly is used to drive the toothed ring (81) to rotate.

4. The inner and outer diameter detection device for a rubber sealing ring according to claim 3, characterized in that, The clamping assembly includes: Second sliding column (810), the second sliding column (810) is slidably and adaptively inserted into the outer side of the inner cavity of the limiting groove (2), and the second sliding column (810) is slidably sleeved on the outer wall of the first guide rod (3). Clamping block (811), the clamping block (811) is arranged at the top end of the second sliding column (810), and several clamping blocks (811) and several pushing blocks (14) correspond one by one. Third sliding column (812), the upper and lower ends of the third sliding column (812) are respectively arranged at the outer ends of the upper and lower sides of the inner cavity of the clamping block (811). Second proximity switch (813), the second proximity switch (813) is arranged in the middle of the inner side of the inner cavity of the clamping block (811).

5. An inner and outer diameter detection device for a rubber sealing ring according to claim 4, characterized in that, The moving assembly includes: Rack (83), a third sliding groove (85) penetrating up and down is arranged on the inner side of the top end of the rack (83) along the direction of the limiting groove (2). The middle part of the outer wall of the third sliding column (812) is slidably and adaptively inserted into the inner side of the inner cavity of the third sliding groove (85). The position of the rack (83) corresponds to the position of the second proximity switch (813). Fourth guide rod (88), both ends of the fourth guide rod (88) are respectively arranged on the inner and outer sides of the inner cavity of the third sliding groove (85), and the third sliding column (812) is slidably sleeved on the outer wall of the fourth guide rod (88). Second spring (89), the second spring (89) is sleeved on the inner side of the outer wall of the fourth guide rod (88). The inner end of the second spring (89) is clamped on the inner side of the inner cavity of the third sliding groove (85), and the outer end of the second spring (89) is clamped on the outer wall of the third sliding column (812). Support assembly, the support assembly is arranged at the top end of the base (1), and the support assembly can support and limit the rack (83). Rotating rod (814), the number of the rotating rods (814) is several. The bottom ends of several rotating rods (814) are respectively rotatably arranged on the outer side of the top end of the base (1) at equal circumferential intervals through bearings. First gear (815), the first gear (815) is sleeved on the outer wall of the rotating rod (814) and locked by a set screw.

6. The inner and outer diameter detection device for a rubber sealing ring according to claim 5, wherein, Several first gears (815) are all meshed with the inner teeth of the toothed ring (81). Several first gears (815) respectively correspond to several racks (83) one by one, and several first gears (815) are respectively meshed with several racks (83).

7. The inner and outer diameter detection device for a rubber sealing ring according to claim 6, characterized in that, An infrared distance sensor (16) is arranged at the outer top end of the pushing block (14), and the position of the infrared distance sensor (16) corresponds to the position of the clamping block (811).

8. An inner and outer diameter detection device for a rubber sealing ring according to claim 7, characterized in that, The distance between the inner side of the inner cavity of the first sliding groove (10) and the first sliding block (13) is greater than the distance between the outer wall of the first sliding column (9) and the first proximity switch (15).

9. The inner and outer diameter detection device of a rubber sealing ring according to claim 8, characterized in that, The distance between the outer side of the inner cavity of the third sliding groove (85) and the third sliding column (812) is greater than the distance between the inner end of the rack (83) and the second proximity switch (813).

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