Visual inspection lens convenient to adjust

Abstract

The invention relates to the technical field of visual inspection lenses, and discloses a visual inspection lens convenient to adjust, which comprises a bottom plate, a cylindrical part, a visual inspection device and side plates symmetrically and fixedly connected to two sides of the top of the bottom plate, and the tops of the two side plates are fixedly connected with the same upper plate. Guide rods are symmetrically and fixedly connected to the top of the bottom plate, a transverse plate is fixedly connected to the middle of the top of the bottom plate, adjusting assemblies are arranged on the inner sides of the two side plates, and a positioning assembly is arranged on the top of the transverse plate; the adjusting assembly comprises a vertical groove formed in one side of the side plate, a first servo motor is fixedly installed on the inner bottom face of the vertical groove, the output end of the first servo motor is fixedly connected with a first lead screw, and the outer side of the first lead screw is in threaded connection with a movable sleeve. And a visual inspection lens part is easily contaminated by dust and sundries.

Description

Technical Field

[0001] The present invention relates to the technical field of visual inspection lenses, and in particular to a conveniently adjustable visual inspection lens. Background Art

[0002] Visual inspection is the use of industrial cameras to replace human eyes to complete functions such as identification, measurement and positioning. Generally, the visual inspection system is composed of a combination of cameras, lenses, and light sources. It can replace manual inspections of barcode characters, cracks, packaging, surface integrity, depressions, etc. General visual inspection equipment can adjust the height and position for inspection. When dealing with workpieces or products that require multi-faceted inspection, such as surface defect inspection of cylindrical products, it is not convenient to fully adjust the entire 360-degree inspection, which reduces the flexibility of inspection. After long-term use, the visual inspection lens is more likely to be contaminated with dust.

[0003] For example, a machine vision inspection lens that is easy to adjust is disclosed with announcement number CN215375143U. The upper surface of the base is equipped with a support tube, the inner wall of the through groove is connected to a support block, a motor is installed on one side of the support tube, the adjustment mechanism includes a connecting rod, and the connecting rod is installed on the output end of the motor. The moving mechanism includes a first threaded rod, which is rotatably connected to the inside of the support block, and the moving mechanism is installed inside the support block through the first threaded rod. The position of the inspection subject can be adjusted while adjusting the height, and the position of the inspection subject can be fixed. However, when the device is used for workpieces or products that require multi-faceted inspection, such as surface defect inspection of cylindrical products, it is not convenient to fully perform overall 360-degree adjustment inspection, which reduces the flexibility of inspection. After long-term use, the visual inspection lens head is easily contaminated with dust and debris in the environment, thereby affecting the inspection effect.

[0004] Therefore, a visual inspection lens that is easy to adjust is proposed to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a visual inspection lens that is easy to adjust to solve the problems that the device is not convenient for handling workpieces or products that require multi-faceted inspection, the inspection angle is limited, and the visual inspection lens components are easily contaminated with dust and debris.

[0006] To achieve the above object, the present invention provides the following technical solution: a conveniently adjustable visual inspection lens, comprising a bottom plate, a columnar member, a visual inspection device, and side plates symmetrically fixedly connected to both sides of the top of the bottom plate, wherein the tops of the two side plates are fixedly connected to the same upper plate; Also includes: The top of the bottom plate is symmetrically fixedly connected with guide rods, the middle of the top of the bottom plate is fixedly connected with a transverse plate, the inner sides of the two side plates are provided with adjustment components, and the top of the transverse plate is provided with a positioning component; The adjustment component includes a vertical slot opened on one side of the side plate, a servo motor 1 is fixedly installed on the inner bottom surface of the vertical slot, a screw rod 1 is fixedly connected to the output end of the servo motor 1, a movable sleeve is threadedly connected to the outer side of the screw rod 1, a limited block is symmetrically fixedly connected to the outer side of the movable sleeve, a ferrule is slidably connected to the outer side of the guide rod, and a connecting strip is fixedly connected to the side of the movable sleeve close to the horizontal plate; The inner sides of the two connecting strips are fixedly connected with a same fixed ring, the fixed ring is fixedly connected with the sleeve ring, the bottom of the fixed ring is rotatably mounted with an outer gear ring through a bearing, the visual detection device is fixedly mounted on one side of the bottom of the outer gear ring, the bottom of one side of the movable sleeve is rotatably mounted with an active gear ring, the outer gear ring is meshed with the active gear ring, the active gear ring is installed in a sleeve connection with the screw rod, and the inner side of the outer gear ring is rotatably connected with a rotating shaft; A scraper plate is fixedly connected to one end of the rotating shaft, a torsion spring is sleeved on the outer side of the rotating shaft, a blocking rod is fixedly connected to the inner array of the fixed ring, a reset rod is fixedly connected to the inner side of the outer gear ring, an auxiliary groove is opened on the outer side of the screw rod, a clamping block is fixedly connected to the inner side of the active gear ring, and the clamping block is slidably connected to the auxiliary groove.

[0007] Preferably, the vertical groove is located on the side of the side plate close to the horizontal plate, the top end of the screw rod is rotatably connected to the side plate, the inner side of the side plate is symmetrically provided with limiting grooves, the two limiting grooves are respectively located on the front and rear sides of the vertical groove, the limiting groove is connected to the bottom plate, and the limiting block is slidably connected to the limiting groove.

[0008] By adopting the above technical solution, it is convenient to clean the lens part of the visual inspection device simultaneously during the overall visual inspection, thereby improving the visual inspection accuracy.

[0009] Preferably, there are no less than two guide rods, the number of the ferrules is the same as that of the guide rods, the ferrules are located on the outside of the fixed ring, the inner diameter of the active gear ring is larger than the diameter of the screw rod, the top of the active gear ring is fixedly connected with a rotating rod, and a step-shaped rotating groove is provided at the bottom of the movable sleeve on one side, and the rotating rod is slidably connected to the step-shaped rotating groove.

[0010] By adopting the above technical solution, the servo motor drives the lead screw to rotate, and the limit groove limits the limit block and the movable sleeve, so that the movable sleeves on both sides rise or fall synchronously, and the movable sleeve drives the active gear ring to rise and fall.

[0011] Preferably, one end of the torsion spring is fixedly connected to the inner side of the outer gear ring, and the other end of the torsion spring is fixedly connected to the scraper plate. A cleaning cotton layer is fixedly connected to the lower part of the scraper plate close to the visual detection device, and there are no less than three baffles.

[0012] By adopting the above technical solution, when the scraper plate is squeezed by the baffle rod, it will rotate to a certain angle, and the scraper plate acts on the torsion spring. At this time, the scraper plate drives the cleaning cotton layer to wipe and clean the lens part of the visual inspection device.

[0013] Preferably, a mounting plate is fixedly connected to the inner lower portion of the vertical slot, the screw rod 1 is rotatably connected to the mounting plate, and a spring 1 is fixedly connected to the top of the mounting plate.

[0014] By adopting the above technical solution, spring 1 assists the lifting and resetting of the active gear ring.

[0015] Preferably, the top end of the spring 1 on one side is connected to the active gear ring, and the spring 1 on one side is fixedly installed with the active gear ring through a bearing, and the spring 1 on the other side is fixedly connected to the bottom of the movable sleeve on the other side.

[0016] By adopting the above technical solution, the spring on one side will not block the rotation of the active gear ring.

[0017] Preferably, the bottom of the horizontal plate is fixed to the base plate by a fixing rod, and the positioning assembly includes a servo motor 2 fixedly installed on the bottom of the horizontal plate, the output end of the servo motor 2 is fixedly connected to a turntable through the horizontal plate, the turntable is rotatably connected to the horizontal plate, and the top of the turntable is fixedly connected to a mounting ring.

[0018] By adopting the above technical solution, the servo motor 2 drives the turntable to rotate, so that the columnar member rotates slowly, which is convenient for surface inspection in cooperation with the visual inspection device.

[0019] Preferably, the interior of the mounting ring is symmetrically threaded with a screw rod 2, one end of the screw rod 2 is rotatably connected to a clamping block, the bottom of the clamping block is fitted with the turntable, and the clamping block is located on the inner side of the mounting ring.

[0020] By adopting the above technical solution, the screw rods 2 on both sides are tightened inward synchronously, and the clamping block fits with the turntable, so that the screw rods 2 drive the clamping block to move toward the center, thereby facilitating the two clamping blocks to clamp the two sides of the column.

[0021] Preferably, an adsorption groove is symmetrically opened on one side of the clamping block, and a fixed cylinder is symmetrically fixedly connected to the other side of the clamping block. A piston rod is slidably connected to the inside of the adsorption groove, and a spring 2 is fixedly connected between the fixed cylinder and the end of the piston rod. The piston rod fits against the inner wall of the adsorption groove, and the piston rod is slidably connected to the fixed cylinder.

[0022] By adopting the above technical solution, the piston rod is subjected to the centrifugal force thrown outward, causing the piston rod to slide out from the inside of the adsorption groove and stretch spring 2, so that the volume inside the adsorption groove becomes larger, which is a negative pressure state, allowing the clamping block and the columnar member to be better adsorbed.

[0023] Compared with the prior art, the present invention has the following beneficial effects: 1. An adjustment component is provided. The operator starts the servo motors on both sides. The servo motors drive the screw rods to rotate. The limit grooves limit the limit blocks and the movable sleeves on both sides, so that the movable sleeves on both sides rise or fall synchronously. The movement of the movable sleeve drives the active gear ring to rise and fall through the rotating rod, and the card block on the inner side of the active gear ring is stuck in the auxiliary groove. The rotation of the screw rod will also drive the active gear ring to rotate, thereby realizing the rotation and lifting of the active gear ring. The spring assists the lifting and resetting of the active gear ring, and the spring is fixed to the active gear ring through the bearing. The rotation of the active gear ring drives the outer gear ring to rotate, and the movable sleeve drives the fixed ring to rise and fall through the connecting strip. The fixed ring drives the outer gear ring to rise and fall through the bearing, thereby realizing the rotation and lifting of the outer gear ring, and the outer gear ring drives the visual inspection device at the bottom to rotate Lifting is convenient for overall inspection of the outer surface of the cylindrical part, which improves the flexibility and inspection range of the inspection. The rotation of the outer gear ring will also drive the rotating shaft and the scraper plate to revolve. When the scraper plate is squeezed by the baffle rod, it will rotate a certain angle, and the scraper plate acts on the torsion spring. At this time, the scraper plate drives the cleaning cotton layer to wipe and clean the lens part of the visual inspection device. When the scraper plate is separated from the baffle rod, the torsion spring can drive the scraper plate to reset. The reset rod blocks the scraper plate from resetting, which can realize the scraper plate returning to its initial state, making it convenient to clean the lens part of the visual inspection device simultaneously during the overall visual inspection, thereby improving the visual inspection accuracy and solving the problem that the inspection angle is limited for workpieces or products that require multi-faceted inspection, and the visual inspection lens components are easily contaminated with dust and debris. 2. A positioning component is provided. The operator places the cylindrical part on the top of the turntable and simultaneously tightens the screw rods 2 on both sides inward. The clamping block fits with the turntable, so that the screw rods 2 drive the clamping block to move toward the center, so that the two clamping blocks can clamp the two sides of the cylindrical part. The adsorption groove is close to the surface of the cylindrical part and can achieve centering clamping. Then the servo motor 2 is started to rotate at a low speed. The servo motor 2 drives the turntable to rotate, so that the cylindrical part rotates slowly, which is convenient for surface inspection with the visual inspection device. The piston rod is subjected to the centrifugal force thrown outward, so that the piston rod slides out from the inside of the adsorption groove and stretches the spring 2, so that the volume inside the adsorption groove becomes larger, which is in a negative pressure state, so that the clamping block and the cylindrical part are better adsorbed, thereby improving the positioning stability of the cylindrical part and facilitating subsequent visual inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the first three-dimensional overall structure of the present invention; Figure 2 It is a schematic diagram of a second three-dimensional overall structure of the present invention; Figure 3 It is a schematic diagram of the cross-sectional structure of the side panel of the present invention; Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle; Figure 5 For the present invention Figure 3 The enlarged structural diagram at B in the middle; Figure 6 It is a schematic diagram of the cross-sectional structure of the fixing ring of the present invention; Figure 7 For the present invention Figure 6 The enlarged structural diagram at C in the middle; Figure 8 A schematic diagram of the auxiliary slot of the present invention; Fig. 9 This is a schematic diagram of the angle rotation of the scraper plate of the present invention; Fig.10 This is a schematic diagram of the installation structure of the servo motor 2 of the present invention; Fig.11 This is a schematic diagram of the cross-sectional structure of the mounting ring of the present invention; Fig.12 For the present invention Fig.11 Enlarged structural diagram at D in the middle.

[0025] In the figure: 1, bottom plate; 2, side plate; 3, upper plate; 4, guide rod; 5, horizontal plate; 6, adjustment assembly; 61, vertical slot; 62, servo motor 1; 63, screw rod 1; 64, movable sleeve; 65, limit block; 66, limit slot; 67, ring; 68, fixed ring; 69, connecting strip; 610, outer gear ring; 611, active gear ring; 612, rotating rod; 613, rotating shaft; 614, scraper plate; 6 15. Torsion spring; 616. Cleaning cotton layer; 617. Stop rod; 618. Reset rod; 619. Mounting plate; 620. Spring 1; 621. Auxiliary slot; 7. Positioning assembly; 71. Servo motor 2; 72. Turntable; 73. Mounting ring; 74. Screw rod 2; 75. Clamp block; 76. Adsorption slot; 77. Fixing cylinder; 78. Piston rod; 79. Spring 2; 8. Columnar member; 9. Visual inspection device. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 11The present invention provides a technical solution: a visual inspection lens that is easily adjustable, comprising a base plate 1, a columnar member 8, a visual inspection device 9, and side plates 2 symmetrically fixedly connected to both sides of the top of the base plate 1, and the tops of the two side plates 2 are fixedly connected to the same upper plate 3.

[0028] The top of the bottom plate 1 is symmetrically fixedly connected with guide rods 4 , and the middle of the top of the bottom plate 1 is fixedly connected with a transverse plate 5 .

[0029] An adjustment component 6 is provided on the inner side of the two side panels 2, and the adjustment component 6 includes a vertical groove 61 opened on one side of the side panel 2, a servo motor 62 is fixedly installed on the inner bottom surface of the vertical groove 61, the output end of the servo motor 62 is fixedly connected with a screw rod 63, the outer side of the screw rod 63 is threadedly connected with a movable sleeve 64, the outer side of the movable sleeve 64 is symmetrically fixedly connected with a limiting block 65, the outer side of the guide rod 4 is slidably connected with a ring 67, and the movable sleeve 64 is fixedly connected with a connecting strip 69 on the side close to the horizontal plate 5.

[0030] The vertical groove 61 is located on the side of the side plate 2 close to the horizontal plate 5, the top end of the screw rod 63 is rotatably connected to the side plate 2, and the inner side of the side plate 2 is symmetrically provided with limiting grooves 66, and the two limiting grooves 66 are respectively located on the front and rear sides of the vertical groove 61, the limiting grooves 66 are connected to the bottom plate 1, and the limiting blocks 65 are slidably connected to the limiting grooves 66.

[0031] The inner sides of the two connecting strips 69 are fixedly connected with the same fixing ring 68, the fixing ring 68 is fixedly connected with the ferrule 67, the bottom of the fixing ring 68 is rotatably mounted with an outer gear ring 610 through a bearing, the visual inspection device 9 is fixedly mounted on one side of the bottom of the outer gear ring 610, an active gear ring 611 is rotatably mounted on the bottom of one side of the movable sleeve 64, the outer gear ring 610 is meshedly connected with the active gear ring 611, the active gear ring 611 is sleeved with the screw rod 63, and the inner side of the outer gear ring 610 is rotatably connected with a rotating shaft 613.

[0032] There are no less than two guide rods 4, the number of ferrules 67 is the same as that of the guide rods 4, the ferrules 67 are located on the outside of the fixed ring 68, the inner diameter of the active gear ring 611 is larger than the diameter of the screw rod 63, the top of the active gear ring 611 is fixedly connected with a rotating rod 612, and a stepped rotating groove is provided at the bottom of the movable sleeve 64 on one side, and the rotating rod 612 is slidably connected to the stepped rotating groove.

[0033] One end of the torsion spring 615 is fixedly connected to the inner side of the outer gear ring 610, and the other end of the torsion spring 615 is fixedly connected to the scraper plate 614. A cleaning cotton layer 616 is fixedly connected to the lower part of the scraper plate 614 close to the visual inspection device 9, and there are no less than three blocking rods 617.

[0034] A mounting plate 619 is fixedly connected to the inner lower portion of the vertical slot 61 , a screw rod 63 is rotatably connected to the mounting plate 619 , and a spring 620 is fixedly connected to the top of the mounting plate 619 .

[0035] The top of the spring 1 620 on one side is connected to the active gear ring 611 , and the spring 1 620 on one side is fixedly installed with the active gear ring 611 through a bearing, and the spring 1 620 on the other side is fixedly connected to the bottom of the movable sleeve 64 on the other side.

[0036] A scraper plate 614 is fixedly connected to one end of the rotating shaft 613, a torsion spring 615 is sleeved on the outer side of the rotating shaft 613, a blocking rod 617 is fixedly connected to the inner array of the fixed ring 68, a reset rod 618 is fixedly connected to the inner side of the outer gear ring 610, an auxiliary groove 621 is opened on the outer side of the screw rod 63, a clamping block is fixedly connected to the inner side of the active gear ring 611, and the clamping block is slidably connected to the auxiliary groove 621.

[0037] Embodiment 1: Figure 1-Figure 8 As shown, the operator starts the servo motor 62 on both sides, and the servo motor 62 drives the screw rod 63 to rotate. The limit groove 66 limits the limit block 65 and the movable sleeve 64, so that the movable sleeves 64 on both sides rise or fall synchronously. The movement of the movable sleeve 64 drives the active gear ring 611 to rise and fall through the rotating rod 612, and the block on the inner side of the active gear ring 611 is stuck in the auxiliary groove 621. The rotation of the screw rod 63 will also drive the active gear ring 611 to rotate, realizing the rotation and lifting of the active gear ring 611. The spring 620 assists the lifting and resetting of the active gear ring 611, and the spring 620 is fixedly installed with the active gear ring 611 through the bearing.

[0038] The rotation of the active gear ring 611 drives the outer gear ring 610 to rotate, the movable sleeve 64 drives the fixed ring 68 to rise and fall through the connecting strip 69, and the fixed ring 68 drives the outer gear ring 610 to rise and fall through the bearing, thereby realizing the rotation and lifting of the outer gear ring 610. The outer gear ring 610 drives the visual inspection device 9 at the bottom to rotate and lift, which is convenient for the overall inspection of the outer surface of the columnar component 8, thereby improving the flexibility and detection range of the inspection.

[0039] The rotation of the outer gear ring 610 will also drive the rotating shaft 613 and the scraper plate 614 to revolve. When the scraper plate 614 is squeezed by the baffle rod 617, it will rotate a certain angle, and the scraper plate 614 acts on the torsion spring 615. At this time, the scraper plate 614 drives the cleaning cotton layer 616 to wipe and clean the lens part of the visual inspection device 9. When the scraper plate 614 is separated from the baffle rod 617, the torsion spring 615 can drive the scraper plate 614 to reset, and the reset rod 618 blocks the scraper plate 614 from resetting, so that the scraper plate 614 can be rotated back to its initial state, which is convenient for cleaning the lens part of the visual inspection device 9 simultaneously during the overall visual inspection, thereby improving the visual inspection accuracy and solving the problem that the inspection angle is limited for workpieces or products that require multi-faceted inspection, and the visual inspection lens components are easily contaminated with dust and debris.

[0040] A positioning assembly 7 is provided on the top of the transverse plate 5, and the bottom of the transverse plate 5 is fixed to the base plate 1 through a fixing rod. The positioning assembly 7 includes a servo motor 71 fixedly installed on the bottom of the transverse plate 5. The output end of the servo motor 71 passes through the transverse plate 5 and is fixedly connected to a turntable 72. The turntable 72 is rotatably connected to the transverse plate 5, and a mounting ring 73 is fixedly connected to the top of the turntable 72.

[0041] The inside of the mounting ring 73 is symmetrically threadedly connected with a screw rod 74 , one end of which is rotatably connected with a clamping block 75 , the bottom of the clamping block 75 is in contact with the turntable 72 , and the clamping block 75 is located on the inner side of the mounting ring 73 .

[0042] A suction groove 76 is symmetrically provided on one side of the clamping block 75, and a fixed cylinder 77 is symmetrically fixedly connected to the other side of the clamping block 75. A piston rod 78 is slidably connected inside the suction groove 76, and a spring 79 is fixedly connected between the ends of the fixed cylinder 77 and the piston rod 78. The piston rod 78 fits against the inner wall of the suction groove 76, and the piston rod 78 is slidably connected to the fixed cylinder 77.

[0043] Embodiment 2: Figure 9-11 As shown, the operator places the columnar member 8 on the top of the turntable 72 and simultaneously tightens the screw rods 74 on both sides inward, so that the clamping block 75 fits with the turntable 72, so that the screw rods 74 drive the clamping block 75 to move toward the center, thereby facilitating the two clamping blocks 75 to clamp the two sides of the columnar member 8, the adsorption grooves 76 are close to the surface of the columnar member 8, and can achieve centering clamping.

[0044] Then, the servo motor 2 71 is started to rotate at a low speed. The servo motor 2 71 drives the turntable 72 to rotate, so that the columnar member 8 rotates slowly, which is convenient for surface inspection with the visual inspection device 9, and the piston rod 78 is subjected to the centrifugal force thrown outward, so that the piston rod 78 slides out from the inside of the adsorption groove 76 and stretches the spring 2 79, so that the volume inside the adsorption groove 76 becomes larger, which is a negative pressure state, so that the clamping block 75 and the columnar member 8 are better adsorbed, thereby improving the positioning stability of the columnar member 8 and facilitating subsequent visual inspection.

[0045] Working principle: When using the device, first, Figure 1-Figure 11As shown, the operator places the columnar member 8 on the top of the turntable 72, and simultaneously tightens the screw rods 74 on both sides inward, so that the two clamping blocks 75 clamp the two sides of the columnar member 8, and starts the servo motor 71 to rotate at a low speed, so that the inside of the adsorption groove 76 is in a negative pressure state, so that the clamping block 75 and the columnar member 8 are better adsorbed, and the operator starts the servo motor 1 62 on both sides to work, and the servo motor 1 62 drives the screw rod 1 63 to rotate, thereby realizing the rotation and lifting of the active gear ring 611, and the rotation of the active gear ring 611 drives the outer gear ring 610 to rotate, thereby realizing the rotation and lifting of the outer gear ring 610, and the outer gear ring 6 10 drives the visual inspection device 9 at the bottom to rotate and rise and fall, which is convenient for the overall inspection of the outer surface of the columnar member 8. When the scraper plate 614 is squeezed by the baffle rod 617, it will rotate a certain angle, which is convenient for the scraper plate 614 to drive the cleaning cotton layer 616 to wipe and clean the lens part of the visual inspection device 9. When the scraper plate 614 is separated from the baffle rod 617, the torsion spring 615 can drive the scraper plate 614 to reset, and the reset rod 618 blocks the scraper plate 614 from resetting, so that the scraper plate 614 can be rotated back to the initial state, which is convenient for the overall visual inspection and the simultaneous cleaning of the lens part of the visual inspection device 9.

[0046] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0047] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A conveniently adjustable visual inspection lens, comprising a bottom plate (1), a columnar member (8), a visual inspection device (9), and side plates (2) symmetrically fixedly connected to both sides of the top of the bottom plate (1), wherein the tops of the two side plates (2) are fixedly connected to the same upper plate (3); It is characterized in that Also includes: The top of the bottom plate (1) is symmetrically fixedly connected to a guide rod (4), the middle of the top of the bottom plate (1) is fixedly connected to a transverse plate (5), the inner sides of the two side plates (2) are provided with an adjustment component (6), and the top of the transverse plate (5) is provided with a positioning component (7); The adjustment assembly (6) comprises a vertical slot (61) formed on one side of the side plate (2); a servo motor (62) is fixedly mounted on the inner bottom surface of the vertical slot (61); a screw rod (63) is fixedly connected to the output end of the servo motor (62); a movable sleeve (64) is threadedly connected to the outer side of the screw rod (63); a limit block (65) is symmetrically fixedly connected to the outer side of the movable sleeve (64); a ferrule (67) is slidably connected to the outer side of the guide rod (4); and a connecting strip (69) is fixedly connected to the side of the movable sleeve (64) close to the horizontal plate (5); The inner sides of the two connecting strips (69) are fixedly connected to a same fixing ring (68), the fixing ring (68) is fixedly connected to the sleeve ring (67), the bottom of the fixing ring (68) is rotatably mounted with an outer gear ring (610) via a bearing, the visual inspection device (9) is fixedly mounted on one side of the bottom of the outer gear ring (610), the bottom of one side of the movable sleeve (64) is rotatably mounted with an active gear ring (611), the outer gear ring (610) is meshingly connected with the active gear ring (611), the active gear ring (611) is sleeved and mounted with a screw rod (63), and the inner side of the outer gear ring (610) is rotatably connected with a rotating shaft (613); A scraper plate (614) is fixedly connected to one end of the rotating shaft (613), a torsion spring (615) is sleeved and mounted on the outer side of the rotating shaft (613), a blocking rod (617) is fixedly connected to the inner side of the fixed ring (68), a reset rod (618) is fixedly connected to the inner side of the outer gear ring (610), an auxiliary groove (621) is formed on the outer side of the screw rod (63), a clamping block is fixedly connected to the inner side of the active gear ring (611), and the clamping block is slidably connected to the auxiliary groove (621).

2. The easily adjustable visual inspection lens according to claim 1, characterized in that: The vertical slot (61) is located on a side of the side plate (2) close to the horizontal plate (5); the top end of the screw rod (63) is rotatably connected to the side plate (2); the inner side of the side plate (2) is symmetrically provided with limiting slots (66); the two limiting slots (66) are respectively located at the front and rear sides of the vertical slot (61); the limiting slots (66) are connected to the bottom plate (1); and the limiting block (65) is slidably connected to the limiting slots (66).

3. The easily adjustable visual inspection lens according to claim 2, characterized in that: The number of the guide rods (4) is no less than two, the number of the ferrules (67) is the same as that of the guide rods (4), the ferrules (67) are located outside the fixed ring (68), the inner diameter of the active gear ring (611) is larger than the diameter of the screw rod (63), a rotating rod (612) is fixedly connected to the top of the active gear ring (611), a step-shaped rotating groove is formed at the bottom of the movable sleeve (64) on one side, and the rotating rod (612) is slidably connected to the step-shaped rotating groove.

4. The easily adjustable visual inspection lens according to claim 1, characterized in that: One end of the torsion spring (615) is fixedly connected to the inner side of the outer gear ring (610), and the other end of the torsion spring (615) is fixedly connected to a scraper plate (614). A cleaning cotton layer (616) is fixedly connected to the lower part of a side of the scraper plate (614) close to the visual inspection device (9), and there are no less than three blocking rods (617).

5. The conveniently adjustable visual inspection lens according to claim 4, characterized in that: A mounting plate (619) is fixedly connected to the inner lower portion of the vertical slot (61), the screw rod 1 (63) is rotatably connected to the mounting plate (619), and a spring 1 (620) is fixedly connected to the top of the mounting plate (619).

6. The conveniently adjustable visual inspection lens according to claim 5, characterized in that: The top end of the spring one (620) on one side is connected to the active gear ring (611), and the spring one (620) on one side is fixedly installed with the active gear ring (611) via a bearing, and the spring one (620) on the other side is fixedly connected to the bottom of the movable sleeve (64) on the other side.

7. The easily adjustable visual inspection lens according to claim 1, characterized in that: The bottom of the transverse plate (5) is fixed to the bottom plate (1) via a fixing rod, and the positioning assembly (7) comprises a servo motor 2 (71) fixedly mounted on the bottom of the transverse plate (5), an output end of the servo motor 2 (71) passes through the transverse plate (5) and is fixedly connected to a turntable (72), the turntable (72) is rotatably connected to the transverse plate (5), and a mounting ring (73) is fixedly connected to the top of the turntable (72).

8. The conveniently adjustable visual inspection lens according to claim 7, characterized in that: The interior of the mounting ring (73) is symmetrically threadedly connected to a second screw rod (74), one end of which is rotatably connected to a clamping block (75), the bottom of which is in contact with the rotating disk (72), and the clamping block (75) is located on the inner side of the mounting ring (73).

9. The conveniently adjustable visual inspection lens according to claim 8, characterized in that: One side of the clamping block (75) is symmetrically provided with an adsorption groove (76), and the other side of the clamping block (75) is symmetrically fixedly connected with a fixing cylinder (77), the interior of the adsorption groove (76) is slidably connected with a piston rod (78), a second spring (79) is fixedly connected between the ends of the fixing cylinder (77) and the piston rod (78), the piston rod (78) is in contact with the inner wall of the adsorption groove (76), and the piston rod (78) is slidably connected with the fixing cylinder (77).

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