CN116969216A - Tube taking device for automatic test tube labeling machine - Google Patents

Abstract

The invention belongs to the technical field of labeling machines, and particularly relates to a tube taking device for an automatic labeling machine for test tubes, which comprises an electric cabinet, wherein a conveying mechanism is arranged above the electric cabinet, a feeding mechanism, a label collecting and releasing mechanism and a label covering mechanism are sequentially arranged above the conveying mechanism from left to right, a test tube collecting mechanism for collecting the test tubes with labels after conveying the tail parts of the conveying mechanisms is arranged at the tail parts of the right ends of the conveying mechanism, a discharge stacking mechanism is arranged below the test tube collecting mechanism, and the discharge stacking mechanism is used for sequentially stacking the labeled test tubes collected by the test tube collecting mechanism in a test tube collecting frame; the invention can not cause the phenomenon that glass test tubes are mutually impacted to be broken, and a worker does not need to be independently arranged at the tail part of the conveying mechanism to manually take and stack the test tubes, so that the labor intensity of the worker can not be increased, and the efficiency of taking and stacking the test tubes after labeling is improved.

Description

A tube taking device for an automatic test tube labeling machine

Technical field

The invention belongs to the technical field of labeling machines, and in particular relates to a tube taking device used in an automatic labeling machine for test tubes.

Background technique

A label is a brief sign used to indicate the product name, weight, volume, purpose and other information of an item, while a labeling machine is a device that uses adhesive to affix labels to specified packaging containers. The labeling machine is indispensable for modern packaging. At present, the types of labeling machines produced in our country are gradually increasing, and the technical level has also been greatly improved. Labeling machines are divided into flat labeling machines, round bottle labeling machines and side labeling machines. Round labeling machines The bottle labeling machine is used to label or film on the circumferential surface of cylindrical and conical products, such as glass bottles, plastic bottles, etc.

When the automatic labeling machine continuously labels the test tubes of glass material, the labeled glass test tubes will be transported to the right end of the test tube through the conveying mechanism of the labeling machine. However, due to the tail of the conveying mechanism of the existing labeling machine Most of the time, a collection plate is installed, and a test collection box is placed below to collect the labeled test tubes. If a collection plate is also used to guide the material, the test tubes on the conveyor mechanism are removed, and due to the collection plate There is a certain height difference between the collection frame and the glass test tube, which will inevitably cause the glass test tubes falling into the collection frame to be impacted and broken. If the labeled glass test tubes are manually removed from the transport mechanism, it will also need to be Putting the removed test tube codes in the collection box not only increases the labor intensity of the staff, but also easily causes mistakes to cause damage to the glass test tubes.

Contents of the invention

In order to solve the above technical problems, the present invention is implemented through the following technical solutions:

The invention is a tube taking device for an automatic test tube labeling machine, which includes an electric control box. A conveying mechanism is provided above the electric control box. A feeding mechanism and a label are provided above the conveying mechanism in sequence from left to right. The retracting and releasing mechanism and the label covering mechanism, the right end of the conveying mechanism is provided with a test tube collection mechanism for collecting the labeled test tubes transported by the tail of the conveying mechanism, and a discharge and stacking mechanism is provided below the test tube collection mechanism, so The above-mentioned discharging and stacking mechanism is used to stack the labeled test tubes collected by the test tube collection mechanism into the test tube collection frame in order.

Further, the test tube collection mechanism includes a guide box, a collection box, a transfer roller, a rotating shaft and a guide block. The lower bottom surface of the guide box is inclined at the right end of the conveying mechanism, and the left side of the guide box is The mouth is aligned with the conveying roller at the tail of the conveying mechanism. The end of the inclined lower bottom surface of the guide box is fixedly connected to a collection box. A transfer roller is installed in the collection box through rotation of the rotating shaft, and one end surface of the rotating shaft extends out of the collecting box. Connected to the output shaft of the fixed servo motor, the transfer roller is provided with a plurality of collection troughs in a circumferential array. The notches of the rotating collection trough are aligned with the discharge opening on the inclined right end of the guide box. The collection box The bottom of the box is provided with a discharge port, and the inside of the bottom of the box of the collection box is located on both sides of the discharge port. Guide blocks of elastic rubber material are installed respectively. The upper surface of the guide blocks is arc-shaped, and the guide blocks The curved bottom is flush with the discharge port.

Further, the discharge and stacking mechanism includes an elastic square cylinder, a discharge cylinder, a conveyor roller, a driving shaft, a support frame, a rotating screw, a sliding block, an electric telescopic rod and a support frame. The upper end of the elastic square cylinder is It is connected to the discharge port, and a discharge barrel is fixedly connected to the lower end of the elastic square cylinder. A plurality of conveyor rollers are arranged vertically and symmetrically at equal intervals inside the discharge barrel, and the plurality of conveyor rollers rotate through a drive shaft. Installed on the discharge barrel, a support frame is provided on the upper and outer sides of the discharge barrel, and sliding grooves are provided on the inner sides of the front and rear cross beams of the support frame. The symmetrical sliding grooves are provided with rotating Screw, and each rotating screw is equipped with a sliding block through a screw nut. The symmetrical sliding block is fixedly connected to the front and rear sides of the discharge barrel. The lower surface of the right end of the conveying mechanism and the right side of the collection box Support frames are fixed on the sides, and electric telescopic rods are fixedly installed on the lower surfaces of the two support frames. The lower surfaces of the piston rods of the two electric telescopic rods are respectively connected to the cross beams on the left and right sides of the support frame. The lower mouth of the discharge barrel is inserted into the test tube collection frame.

Further, the top and right ring surface of the transfer roller and the top wall surface and right wall surface of the collection box are arranged close to each other. The size of the collection tank is larger than the diameter of a test tube. A U-shaped structure is provided in the collection tank. Type cushion.

Furthermore, an auxiliary pressing component is provided at the connection point between the collection box and the guide box. The auxiliary pressing component is used to auxiliary press the test tube entering the left box opening of the collection box into the collection tank.

Further, the toggle assembly includes an arc-shaped plate, an elastic strip, a pressing strip, a connecting strip and a push cylinder. The arc-shaped plate is installed in the left corner of the collection box, and the left end side of the arc-shaped plate is fixed with elasticity. strips, the sides of the elastic strips are connected with a plurality of elastic rubber material pressing strips along the length direction, and the plurality of pressing strips are connected through connecting strips. At least two pressing strips are fixed on the top left side of the collection box. The cylinder is pushed, and the lower end surfaces of at least two piston rods of the pushing cylinder are connected to the pressing bars.

Further, a compression chamber is provided inside each U-shaped buffer pad, and an air guide tube is rotated and inserted inside the rotating shaft, and the inside of the air guide tube is separated into an air injection chamber and an air suction chamber by a partition. The lower part of the air injection chamber is The pipe wall is provided with an air jet groove, the left pipe wall of the suction chamber is provided with an air suction groove, the transfer roller is provided with a plurality of air guide grooves in a circumferential array, and one end of each air guide groove is connected to The compression chambers are connected, and the slot at the other end of each air guide groove is rotationally aligned with the slot of the air jet groove or suction groove. There are multiple air guide grooves along the length direction of the transfer roller.

Furthermore, a plurality of rotating rubber balls are arranged equidistantly in the up and down direction on the inner walls of both sides of the elastic square cylinder, and the rubber balls are also arranged along the front and rear horizontal directions of the elastic square cylinder.

The invention has the following beneficial effects:

1. The present invention cooperates by setting a test tube collection mechanism and a discharge and stacking mechanism at the tail of the transport mechanism. The test tube collection mechanism first collects the test tubes on the transport mechanism, and then the collected test tubes will enter the discharge and stacking mechanism. The discharging and stacking mechanism will stack the labeled test tubes in order in the collection frame, thereby facilitating the collection and storage of the labeled test tubes transported by the conveying mechanism, and will not cause the glass test tubes to collide with each other. Broken phenomenon occurs, and there is no need to arrange a staff member at the end of the conveying mechanism to manually pick up and stack the tubes, which will not increase the labor intensity of the staff, and at the same time improve the efficiency of picking up and stacking the test tubes after labeling is completed. efficiency.

2. In the present invention, the discharge tube is slidably installed in the support frame, and the upper mouth of the discharge tube is connected with the elastic square tube. The sliding block drives the discharge tube to slide horizontally in the length direction of the collection frame, thereby facilitating the Place the test tubes in order in the collection frame, and when the labeled test tubes are stacked one layer in the collection frame, the piston rod of the electric telescopic rod is controlled to shrink, causing it to drive the discharge tube up a section through the support frame and sliding block. distance, and the elastic square cylinder will compress, and then drive the rotating screw to continue to rotate, so that the symmetrical sliding block drives the discharge tube to continue to slide horizontally in the collection frame, thereby facilitating the transfer roller to the test tubes in the elastic square cylinder. The sequence code is placed in the collection frame, and it will not cause the glass test tubes to fall directly into the collection frame in a messy manner, and will not be impacted or broken, and the staff will also need to separately stack the test tubes discharged into the collection frame.

Of course, any product implementing the present invention does not necessarily need to achieve all the above-mentioned advantages at the same time.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present invention more clearly, the drawings needed to describe the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic diagram of the overall structure of the present invention;

Figure 2 is a schematic structural diagram of the test tube collection mechanism and the discharge and stacking mechanism of the present invention;

Figure 3 is a schematic structural diagram of the discharge and stacking mechanism of the present invention;

Figure 4 is a cross-sectional view of the collection box of the present invention;

Figure 5 is a cross-sectional view of the elastic square cylinder and the discharge cylinder of the present invention;

Figure 6 is a partial enlarged view of position A in Figure 4 of the present invention;

Figure 7 is a partial enlarged view of B in Figure 4 of the present invention.

In the picture: 1. Electric control box; 2. Conveying mechanism; 3. Feeding mechanism; 4. Label retracting and releasing mechanism; 5. Label covering mechanism; 6. Test tube collection mechanism; 61. Material guide box; 62. Collection box; 621. Discharge port; 63. Transfer roller; 631. Collection trough; 632. Air guide trough; 64. Rotating shaft; 65. Guide block; 7. Discharge and stacking mechanism; 71. Elastic square cylinder; 72. Discharge cylinder ; 73. Conveying roller; 74. Driving shaft; 75. Support frame; 751. Sliding groove; 76. Rotating screw; 77. Sliding block; 78. Electric telescopic rod; 79. Support frame; 8. U-shaped buffer pad ; 81. Compression chamber; 9. Auxiliary pressing component; 91. Curved plate; 92. Elastic strip; 93. Pressing strip; 94. Connecting strip; 95. Pushing cylinder; 10. Air guide pipe; 101. Injection chamber; 102. Suction chamber; 103. Jet groove; 104. Suction groove; 11. Rubber balls; 12. Collection frame.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some 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 fall within the scope of protection of the present invention.

Please refer to Figures 1 to 7. The present invention is a tube taking device for an automatic labeling machine for test tubes. It includes an electric control box 1. A conveying mechanism 2 is provided above the electric control box 1. The conveying mechanism 2 are provided with a feeding mechanism 3, a label retracting and releasing mechanism 4 and a label covering mechanism 5 in sequence from left to right above the conveying mechanism 2. The feature is that the right end of the conveying mechanism 2 is provided with a labeling mechanism for conveying and labeling the tail of the conveying mechanism 2. A test tube collection mechanism 6 for collecting test tubes. A discharge and stacking mechanism 7 is provided below the test tube collection mechanism 6. The discharge and stacking mechanism 7 is used to stack the labeled test tubes collected by the test tube collection mechanism 6 on the test tube collection in order. within box 12;

In the solution designed by the present invention, the present invention sets a test tube collection mechanism 6 and a discharge and stacking mechanism 7 at the tail of the conveying mechanism 2. When the glass test tubes are placed above the left end of the conveying mechanism 2 through the loading mechanism 3, the conveying mechanism 2 The test tube conveyor belt to be labeled will have a label retracting and releasing mechanism and a labeling mechanism 5 to realize labeling of the transported test tubes, and the labeled test tubes will continue to move to the right end of the test tube under the transportation of the conveying mechanism 2. The test tubes that move to the tail will continue to slowly enter the test tube collection mechanism 6. First, the test tubes on the conveyor mechanism 2 are taken, and then the collected test tubes will enter the discharge and stacking mechanism 7, and the discharge and stacking mechanism 7 will stick The labeled test tubes are placed in the collection frame 12 in order, which facilitates the collection and storage of the labeled test tubes transported by the conveying mechanism 2, and does not cause the glass test tubes to collide with each other and break. Moreover, there is no need to separately arrange a staff member at the end of the conveying mechanism 2 to manually pick up and stack the tubes, which will not increase the labor intensity of the staff, and at the same time improve the efficiency of picking up and stacking the test tubes after labeling is completed.

As an embodiment of the present invention, the test tube collection mechanism 6 includes a guide box 61, a collection box 62, a transfer roller 63, a rotating shaft 64 and a guide block 65. The lower bottom surface of the guide box 61 is inclined at the conveyor position. The right end surface of the mechanism 2, and the left box opening of the guide box 61 is aligned with the conveyor roller 73 at the rear of the conveyor mechanism 2. The end of the inclined lower bottom surface of the guide box 61 is fixedly connected with a collection box 62. A transfer roller 63 is installed in the box 62 through a rotating shaft 64, and one end surface of the rotating shaft 64 extends out of the collection box 62 and is connected to the output shaft of the fixed servo motor. The transfer roller 63 is provided with a plurality of collection slots 631 in a circumferential array, and rotates The notch of the collection trough 631 is aligned with the discharge opening on the inclined right end of the material guide box 61. A discharge opening 621 is provided on the bottom of the collection box 62, and the bottom of the collection box 62 is located inside the discharge opening. Guide blocks 65 made of elastic rubber material are respectively installed on both sides of the mouth 621. The upper surface of the guide block 65 is arc-shaped, and the bottom of the arc surface of the guide block 65 is flush with the discharge port 621;

In the solution designed by the present invention, when the labeled test tubes continue to move toward the tail of the conveying mechanism 2, the test tubes will continue to jump from the conveying roller 73 of the conveying mechanism 2 and fall to the guide box 61 fixed at the end. Inside, the guide box 61 will first collect the labeled test tubes, and at this time, the servo motor fixed on the rear side of the collection box 62 is controlled to work, so that its output shaft drives the transfer roller 63 to rotate clockwise in the collection box 62 through the rotating shaft 64 , when the test tube continues to roll down in the cleaned guide box 61 to the connection between the collection box 62 and the guide box 61, at this time, the notch of the collection groove 631 opened on the rotating transfer roller 63 will connect with the guide box 61 and the guide box 61. The discharge openings connected to the collection box 62 are aligned, and the test tubes moved to the discharge opening at this time will roll into the collection trough 631, and then the transfer roller 63 will continue to rotate at any time, and the collection trough 631 opened on the collection roller will be in contact with the discharge opening. The mouth alignment will cause the test tubes to continuously enter the collection trough 631, and the clockwise rotation of the transfer roller 63 will drive the test tubes collected in the collection trough 631 to rotate to the discharge port 621 opened below the collection box 62, and then pass through the discharge port 621 The discharge and stacking mechanism 7 connected below is placed in the collection frame 12, so that the labeled test tubes can be removed from the transport mechanism 2 and placed in the collection frame 12. Furthermore, the present invention uses the transfer roller rotating in the collection box 62 63. The test tubes initially collected in the guide box 61 can be rotated and transferred to the discharge port 621 opened below the collection box 62, so that the glass test tubes transported by the conveying mechanism 2 will not roll off in a free fall on the receiving plate. The test tubes collected in the guide box 61 will be individually transferred and transported by the rotation of the transfer roller 63, so that the collected test tubes will not collide with each other when the collection box 62 transfers them. This can improve the safety of glass test tubes during transportation.

As an embodiment of the present invention, the discharge and stacking mechanism 7 includes an elastic square cylinder 71, a discharge cylinder 72, a conveyor roller 73, a driving shaft 74, a support frame 75, a rotating screw 76, a sliding block 77, an electric The telescopic rod 78 and the support frame 79, the upper end mouth of the elastic square tube 71 is connected to the discharge port 621, and the lower end mouth of the elastic square tube 71 is fixedly connected with a discharge tube 72, and the inside of the discharge tube 72 A plurality of conveying rollers 73 are arranged vertically symmetrically and equidistantly, and the plurality of conveying rollers 73 are rotatably installed on the discharge tube 72 through the driving shaft 74. A support frame 75 is provided on the upper outer surface of the discharge tube 72, and A sliding groove 751 is provided on the inner surface of the cross beams on the front and rear sides of the support frame 75. A rotating screw 76 is rotated in the symmetrical sliding slot 751, and a sliding screw 76 is installed on each rotating screw 76 through a screw nut. Block 77, the symmetrical sliding block 77 is fixedly connected to the front and rear sides of the discharge tube 72, a support frame 79 is fixed on the lower surface of the right end of the conveying mechanism 2 and the right side of the collection box 62, and the two supports Electric telescopic rods 78 are fixedly installed on the lower surface of the frame 79. The lower surfaces of the piston rods of the two electric telescopic rods 78 are respectively connected to the cross beams on the left and right sides of the support frame 75. The lower mouth of the discharge tube 72 is inserted into into the test tube collection frame 12;

In the solution designed by the present invention, when the labeling machine needs to label test tubes, the collection frame 12 needs to be placed directly below the discharge tube 72, and then the electric telescopic rod 78 fixed on the support frame 79 needs to be controlled. The piston rod extends, allowing it to push the discharge tube 72 into the collection frame 12 through the support frame 75 and the sliding block 77. At this time, the elastic square tube 71 will be stretched, and then the fixed left side of the support frame 75 is controlled. The output shaft of the servo motor rotates, causing it to drive the rotating screw 76 to rotate, and then the sliding block 77 will slide horizontally left and right in the sliding groove 751, and then the symmetrical sliding block 77 will drive the discharge tube 72 to slide to one side of the collection frame 12. On the side, when the transport mechanism 2 continues to transport the labeled test tubes, and the transfer roller 63 continues to rotate clockwise so that the notch of the collection tank 631 faces the discharge port 621, at this time, the test tubes in the collection tank 631 will pass through the elastic rubber The material guide block 65 rolls to the discharge port 621, then enters the elastic square cylinder 71 through the discharge port 621, and then enters the discharge tube 72. At this time, it passes through the servo fixed on the rear side of the discharge tube 72. The cooperation of the motor's output shaft, belts and pulleys drives multiple drive shafts 74 to rotate, thereby causing multiple sets of symmetrical conveying rollers 73 to rotate in the discharge tube 72, and the test tubes entering the elastic square tube 71 drop to the discharge tube 72 and then transported to the collection frame 12 sequentially by the rotating conveyor roller 73. At the same time, the servo motor fixed on the left side of the vacant support frame 75 works, so that the sliding block 77 drives the discharge tube 72 to extend its length in the collection frame 12 horizontally. Slip, thereby facilitating the test tubes to be stacked in the collection frame 12 in order, and when the labeled test tubes are stacked one layer in the collection frame 12, the piston rod of the electric telescopic rod 78 is controlled to shrink, so that it passes through the support frame 75 And the sliding block 77 drives the discharge tube 72 to rise for a certain distance, and the elastic square tube 71 will compress, and then drive the rotating screw 76 to continue to rotate, so that the symmetrical sliding block 77 drives the discharge tube 72 to continue to slide horizontally in the collection frame 12 , thereby facilitating the test tubes transferred by the transfer roller 63 to the elastic square cylinder 71 and placing them in the collection frame 12 in order, and it will not cause the glass test tubes to fall directly and messily, and will not be impacted or broken in the collection frame 12 , and the staff also need to stack the test tubes discharged into the collection frame 12 separately.

As an embodiment of the present invention, the top and right ring surface of the transfer roller 63 and the top wall surface and right wall surface of the collection box 62 are arranged close to each other. The size of the collection tank 631 is larger than the diameter of a test tube, and the U-shaped structure A U-shaped buffer pad 8 is provided in the collection tank 631; in the solution designed by the present invention, the overall size of the collection tank 631 is designed to be larger than the diameter of a test tube, so that the space between the guide box 61 and the collection box 62 The test tube can enter the collection tank 631 stably and quickly, and the U-shaped buffer pad 8 can prevent the test tube from directly hitting the collection tank 631 and causing damage; and the outer ring surface of the transfer roller 63 and the collection box 62 The walls of the box are close to each other to prevent the test tube from detaching from the collection tank 631 when the transfer roller 63 rotates.

As an embodiment of the present invention, an auxiliary pressing component 9 is provided at the connection point between the collection box 62 and the material guide box 61 . The auxiliary pressing component 9 is used to assist in removing the test tubes that enter the left side of the collection box 62 . Press into the collection trough 631; in the solution designed by the present invention, in order to facilitate the test tube located at the notch of the collection trough 631 that is rotated to the connection between the guide box 61 and the collection box 62, quickly push it into the collection trough 631 , to prevent the test tube from jumping at the notch of the collection trough 631. The present invention provides an auxiliary pressing assembly 9 in the collection box 62. When the transfer roller 63 drives the test tube located at the notch of the collection trough 631 to continue to rotate, the auxiliary pressing assembly 9 The test tube will be pressed into the collection tank 631 and in contact with the inner wall surface of the U-shaped buffer pad 8, thereby preventing the test tube from jumping at the notch of the collection tank 631 when the transfer roller 63 drives the test tube located in the collection tank 631 to rotate. The impact on the inner wall of the collection box 62 will easily cause the test tube to break. At the same time, it can prevent the test tube from getting stuck at the connection between the collection box 62 and the guide box 61 and being unable to accurately enter the collection tank 631 .

As an embodiment of the present invention, the toggle assembly includes an arc plate 91, an elastic strip 92, a pressing strip 93, a connecting strip 94 and a pushing cylinder 95. The arc plate 91 is installed on the top left side of the collection box 62. In the corner, an elastic strip 92 is fixed on the left end side of the arc plate 91. A plurality of pressing strips 93 of elastic rubber material are connected to the side of the elastic strip 92 along its length direction, and a plurality of pressing strips 93 pass between them. The connecting bar 94 is connected, at least two pushing cylinders 95 are fixed on the left top of the collection box 62, and the lower end surfaces of the piston rods of the at least two pushing cylinders 95 are connected to the pressing bar 93;

In the solution designed by the present invention, when the test tube rolls along the bottom of the guide box 61 to the box mouth of the collection box 62, the rotation of the transfer roller 63 will cause the collection trough 631 to be connected to the upper left side of the collection box 62. At this time, the test tube will roll into the notch of the collection tank 631, and when the transfer roller 63 drives the test tube to be under the pressing bar 93 of the elastic rubber material, the piston rod of the cylinder 95 will be extended, and the test tube will be pushed out. The connecting bars 94 drive the plurality of pressing bars 93 to swing downward, and the plurality of pressing bars 93 are connected to the arc plate 91 through the elastic bars 92, which will not affect the normal downward swing of the pressing bars 93, and the swinging pressing bars 93 will Contact with the test tube and press it into the collection trough 631, and then push the piston rod of the cylinder 95 to rapidly contract, driving the pressing bar 93 to swing upward quickly, so that the transfer roller 63 drives the notch of the collection trough 631 to enter the test tube and transfer it to the pressing bar 93 downward, and the pressing bar 93 continues to swing downward to auxiliary press the test tube into the collection trough 631, thereby preventing the test tube located at the notch of the collection trough 631 from jumping and hitting the wall of the collection box 62 when the transfer roller 63 rotates. without causing the test tube to get stuck and rotate at the connection between the guide box 61 and the collection box 62 .

As an embodiment of the present invention, each U-shaped buffer pad 8 is provided with a compression chamber 81 inside. An air guide tube 10 is rotated and inserted inside the rotating shaft 64, and the inside of the air guide tube 10 is separated by a partition to form an air injection chamber. 101 and suction chamber 102. The lower wall of the air jet chamber 101 is provided with air jet grooves 103. The left side wall of the air suction chamber 102 is provided with air suction grooves 104. The transfer roller 63 is provided with a circumferential array. There are a plurality of air guide grooves 632, and one end of each air guide groove 632 is connected to the compression chamber 81, and the other end of each air guide groove 632 rotates with the air jet groove 103 or the air suction groove 104. Aligned, multiple air guide grooves 632 are provided along the length direction of the transfer roller 63;

In the solution designed by the present invention, since the test tube is auxiliary pressed into the U-shaped buffer pad 8, when the transfer roller 63 continues to rotate, the air guide tube 10 never rotates. Therefore, when the notch of the collection tank 631 rotates, In order to facilitate the pressed test tubes to be quickly discharged from the collection trough 631 after reaching the bottom, so that the test tubes will not get stuck in the U-shaped buffer pad 8, therefore, when the notch of the collection trough 631 is rotated downward, the air guide tube The air injection chamber 101 opened on the air guide tube 10 will be connected with the air guide groove 632 connected to the compression chamber 81 with the slot downward, so that the gas filled in the air injection chamber 101 of the air guide tube 10 enters the compression chamber 81 through the air guide groove 632. The compression chamber 81 is expanded in the collection tank 631 to push the test tube out of the collection tank 631, thereby preventing the test tube from getting stuck in the U-shaped buffer pad 8 after the notch of the collection tank 631 is rotated downward; and when collecting After the test tube in the groove 631 is detached, the connected air guide groove 632 on the compression chamber 81 will rotate to align with the suction groove 104 opened on the air guide tube 10. At this time, the suction force generated by the suction chamber 102 will pass through the guide. The air groove 632 draws back the gas filled in the compression chamber 81, causing the U-shaped buffer pad 8 to shrink in the collection groove 631, thereby facilitating the test tube to be accurately and stably rotated when the collection groove 631 is aligned with the guide box 61. Enter the collection tank 631 for transfer.

As an embodiment of the present invention, a plurality of rotating rubber balls 11 are disposed equidistantly up and down on the inner walls of both sides of the elastic square cylinder 71, and the rubber balls 11 are also disposed along the front and rear horizontal directions of the elastic square cylinder 71; in this example In the scheme of the invention, a plurality of rubber balls 11 are arranged to rotate equidistantly up and down in the elastic square cylinder 71. When the test tube enters the elastic square cylinder 71 from the outlet 621, the rubber balls 11 can act on the incoming test tube. To buffer and reduce impact, especially when the test tube has just entered the elastic square cylinder 71, an impact will occur due to the excessive drop of the elastic square cylinder 71 being stretched; and when the test tube has just entered the discharge tube 72 At this time, the discharge cylinder 72 can also be raised to cause the elastic square cylinder 71 to shrink and reduce its elongation, and then the test tube can enter the discharge cylinder 72 through the shortened elastic square cylinder 71, and then control the electric telescopic rod 78 The piston rod slowly stretches out, causing the elastic square cylinder 71 to slowly stretch, thereby allowing the lower end mouth of the discharge tube 72 to reach the bottom of the collection frame 12, thereby allowing the discharge tube 72 to continuously transfer the transfer roller 63 to the elastic The test tube codes in the square cylinder 71 are placed in the collection frame 12 for storage and collection.

The preferred embodiments of the invention disclosed above are only intended to help illustrate the invention. The preferred embodiments do not describe all details, nor do they limit the invention to the specific implementations described. Obviously, many modifications and variations are possible in light of the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, so that those skilled in the art can better understand and utilize the present invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (8)

1. A tube-taking device for an automatic test tube labeling machine, including an electric control box (1). A conveying mechanism (2) is provided above the electric control box (1). The conveying mechanism (2) is There are a feeding mechanism (3), a label retracting and releasing mechanism (4) and a label covering mechanism (5) arranged in sequence from left to right, which is characterized by: The right end of the conveying mechanism (2) is provided with a test tube collection mechanism (6) for collecting labeled test tubes transported by the tail of the conveying mechanism (2), and a discharge device is provided below the test tube collection mechanism (6). The stacking mechanism (7) is used to stack the labeled test tubes collected by the test tube collection mechanism (6) in the test tube collection frame (12) in order. 2. A tube taking device for an automatic test tube labeling machine according to claim 1, characterized in that the test tube collection mechanism (6) includes a guide box (61), a collection box (62), a transfer box The roller (63), the rotating shaft (64) and the guide block (65), the lower bottom surface of the guide box (61) is inclined at the right end of the conveying mechanism (2), and the left side of the guide box (61) The box mouth is aligned with the conveying roller (73) at the tail of the conveying mechanism (2). The end of the inclined lower bottom surface of the guide box (61) is fixedly connected to a collection box (62), and the collection box (62) passes through The rotating shaft (64) is rotatably mounted with a transfer roller (63), and one end surface of the rotating shaft (64) extends out of the collection box (62) and is connected to the output shaft of the fixed servo motor. The transfer roller (63) has multiple circumferential arrays. A collection trough (631), the notch of the rotating collection trough (631) is aligned with the discharge opening on the inclined right end of the guide box (61), and the bottom of the collection box (62) is provided with a discharge port mouth (621), and the inside of the box bottom of the collection box (62) is located on both sides of the discharge port (621). Guide blocks (65) of elastic rubber material are installed respectively. The upper surface of the guide block (65) is It is curved, and the bottom of the curved surface of the guide block (65) is flush with the discharge port (621). 3. A tube taking device for an automatic test tube labeling machine according to claim 2, characterized in that the discharge and stacking mechanism (7) includes an elastic square tube (71) and a discharge tube (72). , conveying roller (73), drive shaft (74), support frame (75), rotating screw (76), sliding block (77), electric telescopic rod (78) and support frame (79), the elastic square The upper end of the barrel (71) is connected to the discharge port (621), and the lower end of the elastic square barrel (71) is fixedly connected to a discharge barrel (72). The inner vertical part of the discharge barrel (72) A plurality of conveying rollers (73) are arranged symmetrically and equidistantly, and the plurality of conveying rollers (73) are rotationally installed on the discharge tube (72) through the driving shaft (74). The upper outer surface of the discharge tube (72) A support frame (75) is provided, and a sliding groove (751) is provided on the inner surface of the front and rear cross beams of the supporting frame (75). A rotating screw (76) is provided to rotate in the symmetrical sliding groove (751). ), and each rotating screw (76) is equipped with a sliding block (77) through a screw nut. The symmetrical sliding block (77) is fixedly connected to the front and rear sides of the discharge barrel (72). A support frame (79) is fixed on the lower surface of the right end of the conveying mechanism (2) and the right side of the collection box (62), and an electric telescopic rod (78) is fixed on the lower surface of the two support frames (79). The lower surfaces of the piston rods of the two electric telescopic rods (78) are respectively connected to the cross beams on the left and right sides of the support frame (75), and the lower mouth of the discharge tube (72) is inserted into the test tube collection frame (12) . 4. A tube taking device for an automatic test tube labeling machine according to claim 2, characterized in that the top and right ring surfaces of the transfer roller (63) are in contact with the top wall surface and the top wall surface of the collection box (62). The right walls are arranged close to each other, the size of the collection tank (631) is larger than the diameter of a test tube, and a U-shaped buffer pad (8) is provided in the U-shaped collection tank (631). 5. A tube taking device for an automatic test tube labeling machine according to claim 4, characterized in that an auxiliary pressing assembly ( 9), the auxiliary pressing component (9) is used to auxiliary press the test tube entering the left box opening of the collection box (62) into the collection tank (631). 6. A tube taking device for an automatic test tube labeling machine according to claim 5, characterized in that the toggle component includes an arc plate (91), an elastic strip (92), and a pressing strip (93 ), connecting strip (94) and pushing cylinder (95). The arc plate (91) is installed in the left top corner of the collection box (62), and an elastic strip (91) is fixed on the left end side of the arc plate (91). 92), the side of the elastic strip (92) is connected with a plurality of elastic rubber material pressing strips (93) along its length direction, and the plurality of pressing strips (93) are connected by connecting strips (94), At least two pushing cylinders (95) are fixed on the left top of the collection box (62), and the lower end surfaces of the piston rods of the at least two pushing cylinders (95) are connected to the pressing bar (93). 7. A tube taking device for an automatic test tube labeling machine according to claim 4, characterized in that a compression chamber (81) is provided inside each of the U-shaped buffer pads (8), and the rotating shaft (64) An air guide tube (10) is rotated and inserted inside, and the inside of the air guide tube (10) is divided into a jet chamber (101) and a suction chamber (102) by a partition. The lower wall of the jet chamber (101) An air jet groove (103) is provided, an air suction groove (104) is provided on the left side wall of the suction chamber (102), and a plurality of air guide grooves (632) are provided in a circumferential array on the transfer roller (63). ), and one end of each air guide groove (632) is connected to the compression chamber (81), and the other end of each air guide groove (632) is connected to the air injection groove (103) or the suction groove (104) The slots are rotated and aligned, and multiple air guide slots (632) are provided along the length direction of the transfer roller (63). 8. A tube taking device for an automatic test tube labeling machine according to claim 3, characterized in that a plurality of rotating rubber balls are arranged equidistantly in the up and down direction on the inner walls of both sides of the elastic square cylinder (71). (11), and the rubber balls (11) are also arranged along the front and rear horizontal directions of the elastic square cylinder (71).