Sampling tube detection equipment

Abstract

The sampling tube detection equipment comprises a transportation device, an end detection device, a surface detection device and a removal device, the conveying device is used for conveying the sampling pipe to the end detection device, the surface detection device and the removing device in sequence; the end detection device comprises a probe assembly, and when the sampling tube moves to the end detection device, a probe in the probe assembly extends to the end in the sampling tube; if the end head is qualified, the end head hole is through, and the probe penetrates through the end head and extends into the sampling tube; if the end head is unqualified, the end head hole is blocked, and the probe pushes the sampling tube to horizontally move on the transportation device; the surface detection device comprises an image recognition system, and when the sampling tubes with qualified and unqualified ends move to the surface detection device, the image recognition system obtains surface images of the sampling tubes; and the removing device is used for taking down the unqualified sampling tubes from the conveying device. The equipment can replace manual work to detect the sampling tube, can reduce the manual fatigue strength, improves the detection efficiency, and reduces the error rate.

Description

Technical Field

[0001] The invention relates to the field of sampling tubes, in particular to a sampling tube detection device. Background Art

[0002] With the development of animal husbandry technology, animal husbandry production methods have undergone positive changes, and the overall trend is towards large-scale, intensive, ecological, specialized, automated, and intelligent production. This change in production methods has promoted the overall animal husbandry to a more efficient modern production model. However, the current automated production capacity for sampling tubes is insufficient, especially for the product quality inspection of sampling tubes, which still relies heavily on manual inspection, which is inefficient, and there are large errors in the manual inspection process, which seriously affects the overall processing and production efficiency.

[0003] The sampling tube is a long tubular structure with openings at both ends and a hollow interior. A terminal is arranged at one end of the sampling tube, and the terminal is fixedly connected to the sampling tube by welding. A terminal hole penetrating the terminal is arranged inside the terminal, and the length direction of the terminal hole is consistent with the length direction of the sampling tube. When quality inspection is performed on the sampling tube, the inspection indicators are whether the terminal hole is through and whether there are defects on the surface of the sampling tube, such as welding defects at the welding point between the terminal and the sampling tube.

[0004] Most existing technologies adopt manual inspection, which detects surface defects of the sampling tube by visual inspection and determines whether the end hole is through by visual inspection, air blowing, etc. Manual inspection is inefficient and has a high error rate. Summary of the invention

[0005] The purpose of the present invention is to provide a sampling tube detection device to solve the above-mentioned problems. The device can replace manual inspection of sampling tubes, reduce manual fatigue, improve detection efficiency and reduce error rate.

[0006] The technical solution adopted by the present invention is as follows: A sampling tube detection device comprises a transport device, an end detection device, a surface detection device and a rejection device; The transport device is used to place a plurality of sampling tubes horizontally so that the sampling tubes are placed in parallel, and to sequentially transport the sampling tubes to the end detection device, the surface detection device and the rejection device; The end detection device includes a probe assembly. When the sampling tube moves to the end detection device, the probe in the probe assembly extends toward the end of the sampling tube; if the end is qualified, the end hole is connected, the probe passes through the end and extends into the sampling tube; if the end is unqualified, the end hole is blocked, and the probe pushes the sampling tube to move horizontally on the transport device; The surface detection device includes an image recognition system and a flip mechanism. When the sampling tubes with qualified and unqualified ends are moved to the surface detection device, the flip mechanism drives the sampling tubes with qualified and unqualified ends to rotate, and the image recognition system obtains the surface image of the sampling tube and records the position of the sampling tubes with unqualified surfaces and unqualified ends on the transport device. The rejection device is used to remove the sampling tube from the transport device. When the sampling tube moves to the rejection device, the rejection device removes the sampling tube with unqualified surface and unqualified end on the transport device according to the position of the sampling tube with unqualified surface and unqualified end on the transport device recorded by the image recognition system.

[0007] Furthermore, the transport device includes two parallel and synchronously moving conveying chains; the conveying chain includes a chain and a clamping assembly, the inner side of the chain is sleeved on a driving sprocket and a driven sprocket, and the driving sprocket and the driven sprocket are arranged on a base; the clamping assembly is arranged on the chain, located on the outside of the chain, and is used to clamp the sampling tube.

[0008] Furthermore, the clamping assembly includes a clamping plate and two rolling bodies; a clamping groove with a top opening is provided on the top of the clamping plate, and the clamping groove passes through the plate surface of the clamping plate; two rolling bodies are rotatably arranged on the same plate surface of the clamping plate, the bottom of the clamping groove is located between the two rolling bodies, and the lowest point of the bottom of the groove is lower than the highest point of the outer edge of the rolling body; the lower end of the clamping plate is fixedly arranged on the chain, and the direction in which the clamping groove passes through the clamping plate is perpendicular to the length direction of the chain.

[0009] Furthermore, the end detection device is arranged on one side of the transport device; the probe assembly includes a probe cylinder and a probe; the probe cylinder is arranged horizontally; the movement direction of the piston rod of the probe cylinder is perpendicular to the length direction of the chain, and the probe cylinder is used to drive the probe to extend toward the end in the sampling tube.

[0010] Furthermore, the probe assembly includes multiple probes; the rear end of the probe is fixedly set on the probe mounting plate, the probes are arranged in a row on the probe mounting plate along the length direction of the chain, and the interval between two adjacent probes matches the interval between two adjacent clamping grooves; the probe mounting plate is connected to the probe cylinder, and the probe cylinder is used to drive multiple probes to extend toward the ends of multiple sampling tubes together.

[0011] Furthermore, the end detection device also includes a pressing assembly, which includes a pressing plate lifting device and a pressing plate. A gantry is arranged above the device, and the pressing plate is arranged between the crossbeam of the gantry and the transport device. The pressing plate is connected to the crossbeam of the gantry through the pressing plate lifting device; the pressing plate is used to press the sampling tube on the transport device.

[0012] Furthermore, the surface detection device includes an image recognition system and a flipping mechanism; the flipping mechanism is located below the crossbeam of the gantry, the flipping mechanism is connected to the crossbeam of the gantry through a flipping mechanism lifting device, the flipping mechanism is located directly above the conveyor chain, the flipping mechanism is a bar block, the length direction of the bar block is consistent with the length direction of the chain, and the lower surface of the bar block is used to contact the upper surface of the sampling tube; The image recognition system is arranged above the gantry, and a detection port which passes through from top to bottom is opened on the crossbeam of the gantry. The detection port is located directly below the image recognition system and above the conveyor chain.

[0013] Furthermore, the rejection device includes a sprocket cover, a receiving cavity and an air nozzle; the sprocket cover is located at the end of the conveying chain and covers the outside of the conveying chain; the sprocket cover is provided with a pipe inlet; the receiving cavity is located on the outside of the sprocket cover, the upper part of the receiving cavity is communicated with the pipe inlet on the sprocket cover, and the bottom of the receiving cavity is provided with a pipe outlet; The air nozzle is located on the inner side of the conveying chain and is used to blow the sampling tube into the pipe inlet.

[0014] Furthermore, the pipe inlet direction of the pipe inlet and the air outlet direction of the air nozzle both coincide with the radial direction of the sprocket at the end of the conveyor chain.

[0015] Furthermore, the angle between the pipe inlet direction of the pipe inlet and the vertical plane is 30-60 degrees; so that the pipe inlet is located in the upper half of the sprocket at the end of the conveying chain.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: In the present invention, the transport device sequentially delivers the sampling tube to the end detection device, the surface detection device and the rejection device; the end detection and surface detection of the sampling tube can be automatically completed in sequence, and then the unqualified sampling tube can be taken out. The inspection equipment of the present invention can replace manual labor to perform quality inspection on the sampling tube, can reduce manual fatigue, improve inspection efficiency and reduce error rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the overall structure diagram of the present invention; Figure 2 A top view of the present invention; Figure 3 It is a structural diagram of the transport device; Figure 4 It is the structural diagram of the conveyor chain; Figure 5 It is a structural diagram of the clamping assembly; Figure 6 It is a structural diagram of the end detection device and the surface detection device; Figure 7is a structural diagram of a surface detection device; Figure 8 It is the structural diagram of the pressing plate; Fig. 9 and 10 The diagram is the position relationship between the pressing plate and the chain; Fig.11 and 12 This is a structural diagram of the rejection device. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. 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.

[0020] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features of the embodiments may be combined with each other.

[0021] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0022] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the invention is usually placed when in use, or the positions or positional relationships commonly understood by those skilled in the art, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figures 1 to 12 As shown, the present invention discloses a sampling tube detection device, including a transport device 1, an end detection device 4, a surface detection device 3 and a rejection device 2; The transport device 1 is used to place a plurality of sampling tubes 6 horizontally, so that the sampling tubes 6 are placed in parallel, and sequentially transport the sampling tubes 6 to the end detection device 4, the surface detection device 3 and the rejection device 2; The end detection device 4 includes a probe 402 assembly. When the sampling tube 6 moves to the end detection device 4, the probe 402 in the probe 402 assembly extends toward the end of the sampling tube 6. If the end is qualified, the end hole is connected, and the probe 402 passes through the end and extends into the sampling tube 6. If the end is unqualified, the end hole is blocked, and the probe 402 pushes the sampling tube 6 to move horizontally on the transport device 1, so that the ends of the sampling tubes 6 with qualified and unqualified ends are misaligned. The surface detection device 3 includes an image recognition system 301 and a flip mechanism 304. When the sampling tubes 6 with qualified and unqualified ends are moved to the surface detection device 3, the flip mechanism 304 drives the sampling tubes 6 with qualified ends to rotate, and the image recognition system 301 obtains the surface image of the sampling tubes 6 and records the positions of the sampling tubes 6 with unqualified surfaces and unqualified ends on the transport device 1. The rejection device 2 is used to remove the sampling tube 6 from the transport device 1. When the sampling tube 6 moves to the rejection device 2, according to the position of the sampling tube 6 with unqualified surface and unqualified end on the transport device 1 recorded by the image recognition system 301, the rejection device 2 removes the sampling tube 6 with unqualified surface and unqualified end on the transport device 1.

[0025] Due to the above scheme, when working, a plurality of sampling tubes 6 are placed horizontally on the transport device 1 in parallel and at equal intervals. When placed, the two ends of the sampling tubes 6 are aligned, and the length direction of the sampling tubes 6 is perpendicular to the transport direction of the transport device 1, that is, the left end of the sampling tube 6 extends to the left side of the transport device 1, and the right end of the sampling tube 6 extends to the right side of the transport device 1. In the present invention, the end is set at the left end of the sampling tube 6. When the transport device 1 transports the sampling tube 6 to the end detection device 4, the end detection device 4 is set on the left side of the transport device 1, and the probe 402 in the end detection device 4 can extend horizontally to the end of the sampling tube 6; if the end is qualified, the end hole is through, and the probe 402 can pass through the end and extend into the sampling tube 6, and then retract; if the end is unqualified, the end hole is blocked, and the probe 402 presses on the blocked end, so that the sampling tube 6 moves to the right and then retracts, so that the ends of the qualified and unqualified sampling tubes 6 are no longer aligned, that is, misalignment occurs. The transport device 1 continues to drive the sampling tube 6 to move. When the qualified and unqualified sampling tubes 6 move to the surface detection device 3, the qualified and unqualified sampling tubes 6 are misaligned, so the qualified and unqualified sampling tubes can be distinguished. Therefore, the flipping device only needs to be set on the left side of the transport device 1, close to the left end of the qualified sampling tube 6, and only the qualified sampling tube 6 can be flipped. Since the sampling tube 6 is flipped, it is beneficial for the image recognition system 301 to obtain an image of the surface of the sampling tube 6. Then, it is determined whether there are defects on the surface of the sampling tube 6. After the image recognition system 301 obtains the surface image of the qualified sampling tube 6, it also records the position of the unqualified surface and unqualified end sampling tubes 6 on the transport device 1 at the same time, so that the unqualified surface and unqualified end sampling tubes 6 can be removed from the transport state later. When all the sampling tubes 6 are moved to the rejection device 2, the rejection device 2 removes the sampling tubes 6 with unqualified surfaces and unqualified ends from the transport device 1 according to the positions of the sampling tubes 6 with unqualified surfaces and unqualified ends recorded by the image recognition system 301, and then the transport device 1 continues to transport the sampling tubes 6 with qualified ends and surfaces to the next workstation.

[0026] With the above scheme, the sampling tube detection device of the present invention automatically completes the quality detection of the sampling tube 6. The device can replace manual inspection of the sampling tube 6, which can reduce manual fatigue, improve detection efficiency, and reduce error rate.

[0027] Further, the transport device 1 includes two parallel and synchronously moving conveyor chains 101; the conveyor chain 101 includes a chain and a clamping assembly 106, the inner side of the chain is sleeved on the driving sprocket 102 and the driven sprocket 103, and the driving sprocket 102 and the driven sprocket 103 are arranged on the base 104; the clamping assembly 106 is arranged on the chain, located on the outer side of the chain, and is used to clamp the sampling tube 6. In the present invention, the driving sprocket 102 is located at the front end of the transport device 1, and the driven sprocket 103 is located at the end of the transport device 1.

[0028] The clamping assembly 106 includes a clamping plate 1061 and two rolling bodies 1062; a clamping groove 1063 with a top opening is provided on the top of the clamping plate 1061, and the clamping groove 1063 passes through the plate surface of the clamping plate 1061; the two rolling bodies 1062 are rotatably set on the same plate surface of the clamping plate 1061, and the bottom of the clamping groove 1063 is located between the two rolling bodies 1062, and the lowest point of the bottom of the groove is lower than the highest point of the outer edge of the rolling body 1062; the lower end of the clamping plate 1061 is fixedly set on the chain, and the direction in which the clamping groove 1063 passes through the clamping plate 1061 is perpendicular to the length direction of the chain.

[0029] like Figure 3 , 4 As shown in Figure 5, one conveyor chain 101 is located on the left side of the transport device 1, and the other conveyor chain 101 is located on the right side of the transport device 1. The direction in which the clamping groove 1063 passes through the clamping plate 1061 is perpendicular to the length direction of the chain, ensuring that the left end of the sampling tube 6 is clamped on the conveyor chain 101 on the left side, and the left end is clamped on the conveyor chain 101 on the right side, and ensuring that the conveying tube can move in the left and right directions.

[0030] In the present invention, the clamping plate 1061 can be provided as one or two. When the clamping plate 1061 is provided as two, Figure 4 , 5 As shown, two clamping plates 1061 are connected through a bottom plate 1064 to form a U-shaped structure, and two rolling wheels are arranged between the two clamping plates 1061. Then the outer sides of the two clamping plates 1061 are connected to the outer side of a link in the chain through a connecting plate 105 respectively.

[0031] Furthermore, the end detection device 4 is arranged on one side of the transportation device 1; the probe 402 assembly includes a probe cylinder 401 and a probe 402; the probe cylinder 401 is arranged horizontally; the movement direction of the piston rod of the probe cylinder 401 is perpendicular to the length direction of the chain, and the probe cylinder 401 is used to drive the probe 402 to extend toward the end of the sampling tube 6.

[0032] like Figure 6As shown, the end detection device 4 is arranged on the left side of the transport device 1. The end detection device 4 can be fixedly arranged on the base 104.

[0033] Further, the probe 402 assembly includes a plurality of probes 402; the rear end of the probe 402 is fixedly mounted on the probe 402 mounting plate, the probes 402 are arranged in a row along the length direction of the chain on the probe 402 mounting plate, and the interval between two adjacent probes 402 matches the interval between two adjacent clamping grooves 1063; the probe 402 mounting plate is connected to the probe cylinder 401, and the probe cylinder 401 is used to drive the plurality of probes 402 to extend toward the ends of the plurality of sampling tubes 6. The plurality of probes 402 work together to improve the detection efficiency.

[0034] Furthermore, the end detection device 4 also includes a pressing component, which includes a pressing plate lifting device 403 and a pressing plate 404. A gantry is arranged above the device, and the pressing plate 404 is arranged between the crossbeam of the gantry and the transport device 1. The pressing plate 404 is connected to the crossbeam of the gantry through the pressing plate lifting device 403; the pressing plate 404 is used to press the sampling tube 6 on the transport device 1. The pressing plate lifting device 403 is a pressing plate 404 lifting cylinder.

[0035] like Figure 8 As shown, a pressing strip 407 is provided on the left and right sides of the bottom of the pressing plate 404. The length direction of the pressing strip 407 is consistent with the length direction of the chain. The bottom of the pressing strip 407 is provided with a plurality of bottom openings and arc-shaped pressing openings 406 that penetrate the left and right sides of the pressing strip 407. The pressing strip 407 is located above the chain, and the arc-shaped pressing opening 406 is aligned with the clamping groove 1063 on the chain; a flexible member is provided in the arc-shaped pressing opening 406. The pressing plate lifting device drives the pressing plate 404 to move downward, so that the pressing strip 407 is pressed on the upper end of the sampling tube 6, limiting the upward movement of the sampling tube 6. It is ensured that the probe 402 can be accurately inserted into the sampling tube 6. The presence of the flexible member can prevent the sampling tube 6 from being crushed.

[0036] like Figure 8 As shown, a guide protrusion 405 is provided in the middle of the bottom of the pressing bar 407, and the shape and size of the guide protrusion 405 match the gap between the two clamping components 106 on the chain. When the sampling tube 6 is conveyed to the bottom of the pressing bar 407 by the chain, the pressing bar 407 moves downward, and the guide protrusion 405 is inserted into the gap between the two clamping components 106 to adjust the inaccurate stop position of the chain, ensuring that the probe 402 can be accurately inserted into the sampling tube 6.

[0037] Furthermore, the surface detection device 3 includes an image recognition system 301 and a flipping mechanism 304; the flipping mechanism 304 is located below the crossbeam of the gantry, the flipping mechanism 304 is connected to the crossbeam of the gantry through a flipping mechanism lifting device 305, the flipping mechanism 304 is located directly above the conveying chain 101, the flipping mechanism 304 is a bar block, the length direction of the bar block is consistent with the length direction of the chain, the lower surface of the bar block is used to contact the upper surface of the sampling tube 6; the flipping mechanism lifting device 305 is a flipping mechanism 304 lifting cylinder or an adjusting screw.

[0038] The image recognition system 301 is arranged above the gantry, and a detection port 303 penetrating from top to bottom is opened on the crossbeam of the gantry. The detection port 303 is located directly below the image recognition system 301 and above the conveyor chain 101 .

[0039] In the present invention, the bar block and the two rolling bodies 1062 in the clamping assembly 106 cooperate with each other to realize the flipping of the sampling tube 6. When the sampling tube 6 is located below the bar block, the chain drives the sampling tube 6 to move, and the upper surface of the sampling tube 6 contacts the bar block. At this time, the sampling tube 6 can rotate in the clamping assembly 106. In the clamping assembly 106, the bottom of the clamping groove 1063 is located between the two rolling bodies 1062, and the lowest point of the groove bottom is lower than the highest point of the outer edge of the rolling body 1062; the sampling tube 6 is always located on the two rolling bodies 1062, and the two rolling bodies 1062 cooperate with the bar block, which is more conducive to the rotation of the sampling tube 6.

[0040] The image recognition system 301 includes a camera and a controller, wherein the camera is used to obtain images, and the controller is used to store the positions of the sampling tubes 6 with unqualified surfaces and unqualified ends on the transport device 1, and control the rejection device 2 to remove the sampling tubes 6 with unqualified surfaces and unqualified ends on the transport device 1 according to the positions of the sampling tubes 6 with unqualified surfaces and unqualified ends recorded by the image recognition system 301. In the present invention, each clamping assembly 106 has a code, which facilitates the image recognition system 301 to obtain the positions of each sampling tube 6 on the transport device 1.

[0041] In the present invention, Figure 6As shown, the gantry includes a gantry 1 7 and a gantry 2 8. In the transportation direction to the device, the gantry 1 7 is located at the upstream end of the gantry 2 8; the pressing plate lifting device 403 is a pressing plate 404 lifting cylinder, and the pressing plate 404 lifting cylinder is fixedly arranged on the cross beams of the gantry 1 7 and the gantry 2 8; the flip mechanism lifting device 305 is an adjusting screw, and the adjusting screw is arranged on the cross beam of the gantry 2 8; the image recognition system 301 is arranged above the gantry 2 8; the image recognition system 301 is arranged on a vertical pole 302, and is located at the upper end of the vertical pole 302; the lower end of the vertical pole 302 is fixedly arranged on the base 104; the detection port 303 is opened on the cross beam of the gantry 2 8; the gantry 1 7 and the gantry 2 8 are both fixed on the base 104.

[0042] Furthermore, the rejection device 2 includes a sprocket cover 204, a accommodating cavity 202 and an air nozzle 205; the sprocket cover 204 is located at the end of the conveying chain 101 and covers the outside of the conveying chain 101; a pipe inlet 203 is provided on the sprocket cover 204; the accommodating cavity 202 is located on the outside of the sprocket cover 204, the upper part of the accommodating cavity 202 is connected to the pipe inlet 203 on the sprocket cover 204, and a pipe outlet 201 is provided at the bottom of the accommodating cavity 202; the air nozzle 205 is located on the inner side of the conveying chain 101, and is used to blow the sampling tube 6 into the pipe inlet 203.

[0043] Since the air nozzle 205 is located on the inner side of the conveyor chain 101, when the conveyor chain 101 transports the sampling tube 6 to the air nozzle 205, the air nozzle 205 can blow the sampling tube 6 into the receiving cavity 202. The controller in the image recognition system 301 can control the air nozzle 205 to blow the sampling tube 6 into the receiving cavity 202 according to the position of the sampling tube 6 with unqualified surface and unqualified end on the conveyor 1, thereby blowing the sampling tube 6 with unqualified surface and unqualified end on the conveyor 1 into the receiving cavity.

[0044] Furthermore, the pipe inlet direction of the pipe inlet 203 and the air outlet direction of the air nozzle 205 both coincide with the radial direction of the sprocket at the end of the conveying chain 101 , thereby ensuring that the sampling tube 6 can be accurately blown into the pipe inlet 203 .

[0045] Furthermore, the angle between the pipe inlet direction of the pipe inlet 203 and the vertical plane is 30-60°; the pipe inlet 203 is located at the upper half of the sprocket at the end of the conveyor chain 101. That is, the sampling tube 6 is blown out in an oblique upward manner, so as to avoid the sampling tube 6 falling due to equipment vibration when blowing out horizontally, and failing to be accurately removed. The oblique upward direction can ensure that the unqualified products are stably located in the clamping assembly 106 and will not fall by mistake.

[0046] Further, such as Figure 1As shown, a loading device 5 is also provided at the front end of the transport device 1 . The loading device 5 is arranged above the transport device 1 . The loading device 5 is used to deliver the sampling tube 6 of the previous station to the transport device 1 .

[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 sampling tube detection device, characterized in that: It comprises a transport device (1), an end detection device (4), a surface detection device (3) and a rejection device (2); The transport device (1) is used to place a plurality of sampling tubes (6) horizontally so that the sampling tubes (6) are placed in parallel, and to sequentially transport the sampling tubes (6) to the end detection device (4), the surface detection device (3) and the rejection device (2); The end detection device (4) comprises a probe (402) assembly. When the sampling tube (6) moves to the end detection device (4), the probe (402) in the probe (402) assembly extends toward the end of the sampling tube (6); if the end is qualified, the end hole is connected, the probe (402) passes through the end and extends into the sampling tube (6); if the end is unqualified, the end hole is blocked, and the probe (402) pushes the sampling tube (6) to move horizontally on the transport device (1); The surface detection device (3) comprises an image recognition system (301) and a flipping mechanism (304); when the sampling tubes (6) with qualified and unqualified ends are moved to the surface detection device (3), the flipping mechanism (304) drives the sampling tubes (6) with qualified and unqualified ends to rotate, and the image recognition system (301) obtains the surface image of the sampling tube (6), and records the positions of the sampling tubes (6) with unqualified surfaces and unqualified ends on the transport device (1); The rejecting device (2) is used to remove the sampling tube (6) from the transport device (1). When the sampling tube (6) moves to the rejecting device (2), the rejecting device (2) removes the sampling tube (6) with an unqualified surface and an unqualified end from the transport device (1) according to the position of the sampling tube (6) with an unqualified surface and an unqualified end recorded by the image recognition system (301) on the transport device (1).

2. The sampling tube detection device according to claim 1, characterized in that: The transport device (1) comprises two parallel and synchronously moving conveyor chains (101); the conveyor chain (101) comprises a chain and a clamping assembly (106); the inner side of the chain is sleeved on a driving sprocket (102) and a driven sprocket (103); the driving sprocket (102) and the driven sprocket (103) are arranged on a base (104); the clamping assembly (106) is arranged on the chain, located on the outer side of the chain, and is used to clamp a sampling tube (6).

3. The sampling tube detection device according to claim 2, characterized in that: The clamping assembly (106) comprises a clamping plate (1061) and two rolling bodies (1062); a clamping groove (1063) with a top opening is provided on the top of the clamping plate (1061), and the clamping groove (1063) passes through the plate surface of the clamping plate (1061); the two rolling bodies (1062) are rotatably arranged on the same plate surface of the clamping plate (1061), the bottom of the clamping groove (1063) is located between the two rolling bodies (1062), and the lowest point of the bottom of the groove is lower than the highest point of the outer edge of the rolling body (1062); the lower end of the clamping plate (1061) is fixedly arranged on the chain, and the direction in which the clamping groove (1063) passes through the clamping plate (1061) is perpendicular to the length direction of the chain.

4. The sampling tube detection device according to claim 3, characterized in that: The end detection device (4) is arranged on one side of the transport device (1); the probe (402) assembly comprises a probe cylinder (401) and a probe (402); the probe cylinder (401) is arranged horizontally; the movement direction of the piston rod of the probe cylinder (401) is perpendicular to the length direction of the chain, and the probe cylinder (401) is used to drive the probe (402) to extend toward the end of the sampling tube (6).

5. The sampling tube detection device according to claim 4, characterized in that: The probe (402) assembly comprises a plurality of probes (402); the rear ends of the probes (402) are fixedly mounted on a probe (402) mounting plate, the probes (402) are arranged in a row on the probe (402) mounting plate along the length direction of the chain, and the interval between two adjacent probes (402) matches the interval between two adjacent clamping grooves (1063); the probe (402) mounting plate is connected to a probe cylinder (401), and the probe cylinder (401) is used to drive the plurality of probes (402) to extend toward the ends of the plurality of sampling tubes (6) together.

6. The sampling tube detection device according to claim 4 or 5, characterized in that: The end detection device (4) further comprises a pressing assembly, the pressing assembly comprising a pressing plate lifting device (403) and a pressing plate (404); a gantry is arranged above the device, the pressing plate (404) is arranged between the crossbeam of the gantry and the transport device (1), and the pressing plate (404) is connected to the crossbeam of the gantry via the pressing plate lifting device (403); the pressing plate (404) is used to press the sampling tube (6) on the transport device (1).

7. The sampling tube detection device according to claim 3, characterized in that: The surface detection device (3) comprises an image recognition system (301) and a flipping mechanism (304); the flipping mechanism (304) is located below the crossbeam of the gantry, the flipping mechanism (304) is connected to the crossbeam of the gantry via a flipping mechanism lifting device (305), the flipping mechanism (304) is located directly above the conveyor chain (101), the flipping mechanism (304) is a bar block, the length direction of the bar block is consistent with the length direction of the chain, and the lower surface of the bar block is used to contact the upper surface of the sampling tube (6); The image recognition system (301) is arranged above the gantry, and a detection port (303) is provided on the crossbeam of the gantry, which is through-and-through, and the detection port (303) is located directly below the image recognition system (301) and above the conveyor chain (101).

8. The sampling tube detection device according to claim 3, characterized in that: The rejecting device (2) comprises a sprocket cover (204), a receiving chamber (202) and an air nozzle (205); the sprocket cover (204) is located at the end of the conveying chain (101) and covers the outside of the conveying chain (101); a pipe inlet (203) is provided on the sprocket cover (204); the receiving chamber (202) is located on the outside of the sprocket cover (204), the upper part of the receiving chamber (202) is communicated with the pipe inlet (203) on the sprocket cover (204), and the bottom of the receiving chamber (202) is provided with a pipe outlet (201); The air nozzle (205) is located on the inner side of the conveying chain (101) and is used to blow the sampling tube (6) into the tube inlet (203).

9. The sampling tube detection device according to claim 8, characterized in that: The pipe inlet direction of the pipe inlet (203) and the air outlet direction of the air nozzle (205) both coincide with the radial direction of the sprocket at the end of the conveying chain (101).

10. The sampling tube detection device according to claim 9, characterized in that: The angle between the pipe inlet direction of the pipe inlet (203) and the vertical plane is 30-60 degrees; the pipe inlet (203) is located at the upper half of the sprocket at the end of the conveying chain (101).

Images