Automatic labeling device for cold glue labeling machine

Abstract

The present invention relates to a labeling machine, in particular to an automatic labeling device for a cold glue labeling machine. The device comprises a support, a support frame, and a label box. The support frame of a frame structure is fixedly connected to the support. The label box comprises a box head and a box body. The box head is fixedly connected to the end of one side of the support frame. A label detection sensor is installed on one side of the box head. A label bin of a flat plate structure is provided in the support frame. The label bin is provided with a waiting label supply station and a label supply station. At least four box bodies are arranged in parallel in the waiting label supply station. Both ends of the box body are respectively placed on the conveyor belt of the conveying mechanism. The label supply station is opposite to the box head. The label supply station is provided with a box body positioning electromagnet. A first positioning mechanism for the label box body is provided on one side of the label box movement direction of the label supply station. The support frame of the label supply station is provided with a first detection switch. The support frame on one side of the box head is provided with a label blocking plate mechanism in the movement direction of the box body. The present invention can automatically switch to the next label box, ensure the high-speed and continuous operation of the labeling machine, reduce the number of operators, and improve production efficiency.

Description

Technical Field

[0001] The invention relates to a labeling machine, in particular to an automatic labeling device of a cold glue labeling machine. Background Art

[0002] The labeling machine is a packaging machine that attaches labels to the surface of various containers. It is widely used, such as containers for beverages, condiments, and alcoholic beverages. The labeling machine attaches labels to containers through a labeling device. The cold glue labels are stored in a label box. The cold glue labeling station is a single label box. When the labels in the label box are almost used up, it is necessary to manually add labels to the label box. When the labeling machine is running continuously at high speed, the labeling is too frequent, and the labor intensity is high. A labeling machine usually attaches three types of labels. To ensure the normal operation of the labeling, a labeling machine requires two to three people to operate, which reduces the working efficiency of the labeling machine and is troublesome and laborious. The Chinese utility model patent with publication number CN202728666U discloses a multi-label bin automatic replacement device for a labeling machine. The utility model adopts three label boxes, which are installed on a movable frame. The label boxes are driven by a cylinder. The utility model has a small number of label boxes and cannot meet the needs of high-speed and large-scale labeling production lines. Replacing a label box requires manually filling a label box, and when the label box is replaced, impact and vibration are generated. Summary of the invention

[0003] The present invention aims to solve the above technical problems and provides an automatic labeling device for a cold glue labeling machine to improve the replacement efficiency of label boxes.

[0004] The present invention solves the technical problem and adopts the following technical solution:

[0005] An automatic labeling device for a cold glue labeling machine comprises a support, a support frame, and a label box. The support frame of a frame structure is fixedly connected to the support. The label box comprises a box head and a box body. The box head is fixedly connected to the end of one side of the support frame. A label detection sensor is installed on one side of the box head. A label bin of a flat plate structure is provided in the support frame. The label bin is provided with a waiting label supply station and a label supply station. At least four box bodies are arranged in parallel in the waiting label supply station. Both ends of the box body are respectively placed on the conveyor belt of a conveying mechanism. The label supply station is opposite to the box head. A box body positioning electromagnet is provided in the label supply station. A first positioning mechanism for the label box body is provided on one side of the label box movement direction of the label supply station. The support frame of the label supply station is provided with a first detection switch. The support frame on the box head side is provided with a label blocking plate mechanism in the movement direction of the box body.

[0006] Compared with the prior art, the present invention using the above technical solution has the following beneficial effects:

[0007] It can automatically switch to the next label box, and the replacement process is smooth and reliable, ensuring the high-speed and continuous operation of the labeling machine, reducing the number of operators, reducing the labor intensity of employees, and improving production efficiency.

[0008] Further, the optimization scheme of the present invention is:

[0009] The conveying mechanism includes a servo motor, a driving shaft, a driving wheel, a driven shaft, a driven wheel and a conveyor belt. The driving wheel and the driven wheel are rotatably connected to the support frame through the driving shaft and the driven shaft respectively. The conveyor belt is installed between the driving wheel and the driven wheel. The driving shaft is driven by a servo motor installed on the support frame, and the upper part of the conveyor belt is placed on the upper surface of the standard bin.

[0010] The first positioning mechanism includes a first cylinder, a first rotating shaft, a rocker arm, a rocker arm connecting plate, a stopper, a first rotating shaft top plate, a rocker arm fixing bolt and a first return spring. The stopper is located in the first opening and the second opening of the mark supply station. The stopper is installed at both ends of the vertical part of the L-shaped rocker arm connecting plate on the bottom of the mark bin. The two ends of the horizontal part of the rocker arm connecting plate are respectively connected to one end of the two rocker arms, and the other end of the rocker arm is connected to the first rotating shaft through a rocker arm fixing bolt. The two ends of the first rotating shaft are rotatably connected to the support frame. The L-shaped first rotating shaft top plate is installed on the side of the first rotating shaft, and the first cylinder is installed on the mark bin above the horizontal part of the first rotating shaft top plate. The first return springs are respectively installed between the two ends of the first rotating shaft top plate and the mark bin.

[0011] The baffle plate mechanism comprises a bracket, a slide rail, a baffle cylinder, and a baffle plate. The slide rail is connected to the support frame through the bracket, and the slide rail is arranged along the movement direction of the box body. The cross-section of the slide rail is concave, and the notch is inwardly facing. Two longitudinal guide holes are arranged at the bottom of the notch of the slide rail, and three guide strips are arranged on the outer side surface of the slide rail. A front guide plate and a rear guide plate are respectively installed between adjacent guide strips. The cross-sections of the front guide plate and the rear guide plate are U-shaped, and the front guide plate and the rear guide plate correspond to the guide holes respectively; a strip-shaped mounting plate is arranged in the notch of the slide rail, and the front guide plate and the rear guide plate are respectively fixed to the mounting plate, and a movable guide strip is installed on the outer side surface of the mounting plate, and a trapezoidal portion is arranged on the upper and lower end surfaces of the movable guide strip, and the movable guide strip cooperates with the guide wheel in the middle of the slide rail, and the guide wheel is provided with a guide groove, and the guide wheel is respectively located above and below the movable guide strip; one end of the movable guide strip is fixedly connected to the piston rod of the cylinder through a fixed block, and the cylinder body of the cylinder is fixedly connected to the slide rail through a pad column; the bracket is provided with a limit lever.

[0012] A second positioning mechanism is provided on the outer side of the station to be marked, and the second positioning mechanism includes a second cylinder, a second rotating shaft, a swinging plate, a baffle, a second return spring and a second rotating shaft top plate. The mark bin on the outer side of the station to be marked is provided with a long hole in the direction of the box body, and the vertical part of the L-shaped baffle is placed in the long hole. The horizontal part of the baffle below the mark bin is connected to the swinging plate, and the swinging plate is connected to the second rotating shaft. Both ends of the second rotating shaft are rotatably connected to the support frame. An L-shaped second rotating shaft top plate is installed in the middle of the side surface of the second rotating shaft, and a second cylinder is provided above the horizontal part of the second rotating shaft top plate, and the second cylinder is connected to the bottom surface of the mark bin, and a second return spring is provided between the two ends of the outer side of the swinging plate and the bottom surface of the mark bin.

[0013] A second detection switch is installed on the support frame of the station to be marked.

[0014] A pressure-marking cylinder is installed on a support frame at one side of the label supplying station far away from the box head, and the pressure-marking cylinder is fixedly connected to the support frame through a cylinder bracket.

[0015] A fixed guide strip is installed on the support frame at the side of the station to be supplied with labels which is away from the box head.

[0016] The left and right sides of the box head are connected to the horizontal box head base through an L-shaped box head bracket. The connecting hole of the box head base is a long hole. The two ends of the box head base are respectively fixed to U-shaped connecting blocks. The outer wall of the connecting block is provided with a notch structure. A locking block is rotatably connected in the notch structure. The inner end of the locking block is a triangle. A locking handle is installed on the outer end of the locking block. The connecting block is mounted on the support column, and the lower end of the support column is fixed to the support frame.

[0017] A plurality of label guide strips are installed on the inner surface of the inner end of the box head, and rollers are arranged at the outer ends of the label guide strips. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional schematic diagram of an embodiment of the present invention;

[0019] Figure 2 yes Figure 1 The main view;

[0020] Figure 3 yes Figure 2 A top view of

[0021] Figure 4 yes Figure 2 Left view of

[0022] Figure 5 is a schematic diagram of a support frame and a conveying mechanism according to an embodiment of the present invention;

[0023] Figure 6 yes Figure 5 A top view of

[0024] Figure 7 yes Figure 5 AA section view;

[0025] Figure 8 is a three-dimensional diagram of a mark-blocking plate mechanism according to an embodiment of the present invention;

[0026] Fig. 9 It is the front view of the stop plate mechanism;

[0027] Fig.10 yes Fig. 9 A top view of

[0028] Fig.11 yes Fig. 9 BB cross-sectional view;

[0029] Fig.12yes Fig. 9 CC section view;

[0030] Fig.13 yes Fig. 9 DD cross-sectional view;

[0031] Fig.14 yes Fig. 9 EE cross-sectional view;

[0032] Fig.15 is a three-dimensional diagram of a positioning mechanism according to an embodiment of the present invention;

[0033] Fig.16 yes Fig.15 Bottom view of

[0034] Fig.17 is a bottom view of a positioning mechanism according to an embodiment of the present invention;

[0035] Fig.18 yes Fig.17 FF cross-sectional view.

[0036] In the figure: support 1; connecting frame 2; supporting frame 3; bottom frame 3-1; label box 4; box head 4-1; box body 4-2; box head bracket 4-3; box head base 4-4; connecting block 4-5; locking block 4-6; locking handle 4-7; supporting rod 4-8; label guide strip 4-9; label bin 5; label supply station 5-1; label supply station 5-2; box body positioning electromagnet 5-3; first opening 5-4; second opening 5-5; long hole 5-6; label detection sensor 6; conveying mechanism 7; label feeding motor 7-1; driving shaft 7-2; driving pulley 7-3; driven shaft 7-4; driven pulley 7-5; conveyor belt 7-6; reducer 7-7; coupling 7-8; bearing seat 7-9; first positioning mechanism 8; first cylinder 8-1; first rotating shaft 8-2; swing rod 8-3; swing rod connecting plate 8-4; block 8-5; first rotating shaft Top plate 8-6; rocker fixing bolt 8-7; first return spring 8-8; second positioning mechanism 9; second cylinder 9-1; second rotating shaft 9-2; swing plate 9-3; baffle 9-4; second return spring 9-5; second rotating shaft top plate 9-6; baffle plate mechanism 10; bracket 10-1; slide rail 10-2; guide strip 10-3; front guide plate 10-4; rear guide plate 10-5; mounting plate 10-6; sleeve 10-7; movable guide strip 10-8; guide wheel 10-9; fixing block 10-10; baffle cylinder 10-11; cushion column 10-12; limit lever 10-13; bottom plate 10-14; gasket 10-15; pressure cylinder 11; connecting seat 11-1; first box body detection switch 12; second box body detection switch 13; guide strip 14 of the mark box body; adjustable bracket 14-1; collection box 15. DETAILED DESCRIPTION

[0037] The present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0038] See also Figure 1-Figure 4 The present embodiment is a cold glue automatic labeling device for a labeling machine, which is composed of a support 1, a connecting frame 2, a support frame 3, a label box 4, a label bin 5, a label detection sensor 6, a conveying mechanism 7, a first positioning mechanism 8, and a second positioning mechanism 9. The support 1 is rectangular, and the connecting frame 2 is installed on the front side thereof. The connecting frame 2 is a rectangular welded component, and the upper end surface of the connecting frame 2 is higher than the upper end surface of the support 1. The upper end surface of the connecting frame 2 is installed with a horizontal base frame 3-1, and the horizontal support frame 3 is installed on the base frame 3-1. Both the base frame 3-1 and the support frame 3 are rectangular welded components.

[0039] The label box 4 is a split structure, which consists of a box head 4-1 and a box body 4-2. The box head 4-1 is a cylindrical structure that runs through the front and back, and its end face matches the label. The box head 4-1 is located at the right end of the front side of the support frame 3. The left and right sides of the box head 4-1 are connected to the long holes of the box head base 4-4 through an L-shaped box head bracket 4-3, and the box head 4-1 can be adjusted left and right. A U-shaped connection block 4-5 is provided at both ends of the box head base 4-4. A horizontal support plate is welded to the outer side of the inner wall of the connection block 4-5. The support plate is connected to the box head base 4-4 by bolts. A notch structure is provided on the outer wall of the connection block 4-5. A locking block 4-6 is provided in the notch structure. The locking block 4-6 is rotatably connected to the connection block 4-5 by bolts. The inner end of the locking block 4-5 is triangular. A locking handle 4-7 is installed at the outer end of the locking block 4-5. The connection block 4-5 is sleeved on a circular support rod 4-8. The lower end of the support rod 4-8 is fixedly connected to the support frame 3. The connection block 4-5 is locked and connected to the support rod 4-8 through the locking block 4-6. The height of the box head 4-1 can be easily adjusted. A plurality of label guide strips 4-9 are installed on the inner surface of the box head 4-1. Both ends of the label guide strips 4-9 extend out of the box head 4-1. Rollers are provided at the outer ends of the label guide strips 4-9. The box body 4-2 is U-shaped, with an open front end and a concave baffle at the rear end. The box body 4-2 is made of 430 mirror plate CNC bending to ensure the consistency of the box body. 30,000 labels can be stored in the box body 4-2. When different labels are replaced, the height and left and right positions of the box head 4-1 can be adjusted. The label detection sensor 6 is installed on the inner side of the box head 4-1, and the label detection sensor 6 is used to detect the label in the box head 4-1. The back side of the support frame 3 opposite to the box head 4-1 is installed with a pressure cylinder 11, which is connected to the support frame 3 through a connecting seat 11-1, and the center line of the pressure cylinder 11 coincides with the center line of the box head 4-1.

[0040] The standard bin 5 is installed in the support frame 3 ( Figure 5 , Figure 6 , Figure 7As shown in the figure, the label bin 5 is a flat plate structure, and the label bin 5 is provided with a label supply station 5-1 and a label supply station 5-2. The label supply station 5-1 is directly opposite to the box head 4-2, and the label supply station 5-2 is on the left side. The label supply station 5-1 is used to place one box body 4-2, and the label supply station 5-2 can place 4-6 box bodies 4-2 in parallel. The size of the label bin 5 can be adjusted according to the running speed of the labeling machine, so that more box bodies 4-2 can be placed. The front and rear ends of the label supply station 5-1 are respectively installed with a box body positioning electromagnet 5-3, which is embedded in the label bin 5, and the upper end surface of the box body positioning electromagnet 5-3 is flush with the upper plate surface of the label bin 5. The box body positioning electromagnet 5-3 is electrically connected to the control system, and the box body positioning electromagnet 5-3 is used to position the box body 4-2 of the label supply station 5-1. The label supply station 5-1 and the label supply station 5-2 adjacent to the label supply station 5-1 are respectively provided with a first box body detection switch 12 and a second box body detection switch 13 at the rear end. The first box body detection switch 12 and the second box body detection switch 13 are installed on the support frame 3.

[0041] The box body 4-2 is transported by the conveying mechanism 7, which is composed of a label-feeding motor 7-1, a driving shaft 7-2, a driving pulley 7-3, a driven shaft 7-4, a driven pulley 7-5 and a conveyor belt 7-6. The driving shaft 7-2 is located at the left end of the support frame 3, and the driving shaft 7-2 is rotatably connected to the support frame 3 through a bearing seat 7-9. The driving pulleys 7-3 are respectively installed at both ends of the driving shaft 7-2. The front end of the driving shaft 7-2 is connected to the output shaft of the reducer 7-7 through a coupling 7-8. The reducer 7 -7's input shaft is connected to the output shaft of the servo motor 7-1, the label feeding motor 7-1 is installed on the front side of the support frame 3, the driven shaft 7-4 is installed on the right end of the support frame 3, and the two driven pulleys 7-5 are respectively installed on the two ends of the driven shaft 7-4 through bearings. The driving pulleys 7-3 and the driven pulleys 7-5 on both sides are respectively installed with two conveyor belts 7-6, and the upper part of the conveyor belt 7-6 is placed on the upper surface of the label bin 5. The conveyor belt 7-6 is a synchronous belt, and the two ends of the box body 4-2 are respectively placed on the two conveyor belts 7-6.

[0042] A first positioning mechanism 8 is provided on one side of the label box moving direction of the label supply station 5-1. Figure 15-18As shown in the figure, the first positioning mechanism 8 is composed of a first cylinder 8-1, a first rotating shaft 8-2, a rocker arm 8-3, a rocker arm connecting plate 8-4, a stopper 8-5, a first rotating shaft top plate 8-6, a rocker arm fixing bolt 8-7 and a first return spring 8-8. A first opening 5-4 and a second opening 5-5 are symmetrically opened on the outer side of the middle part of the mark bin of the mark supply station 5-1, and a stopper 8-5 is respectively arranged in the first opening 5-4 and the second opening 5-5, and the stopper 8-5 is installed at the two ends of the vertical part of the L-shaped rocker connecting plate 8-4 on the bottom surface of the mark bin, and the two ends of the horizontal part of the rocker connecting plate 8-4 are respectively connected to the right ends of the two rocker rods 8-3, and the left end of the rocker rod 8-3 is inserted into the circular hole at the lower end of the rocker rod fixing bolt 8-7, and the rocker rod fixing bolt 8-7 is placed in the mounting hole of the first rotating shaft 8-2. The cross-section of the first rotating shaft 8-2 is rectangular, and the two ends of the first rotating shaft 8-2 are respectively rotatably connected to the support frame 3, and an L-shaped first rotating shaft top plate 8-6 is installed in the middle of the left side surface of the first rotating shaft 8-2, and the first cylinder 8-1 is installed on the mark bin 5 above the horizontal part of the first rotating shaft top plate 8-6, and the first return springs 8-8 are respectively installed between the two ends of the first rotating shaft top plate 8-6 and the mark bin 5. The piston rod of the first cylinder 8-1 extends out to press the horizontal part of the first rotating shaft top plate 8-6 downward, the first rotating shaft 8-2 rotates counterclockwise, the rocker arm 8-3 swings upward, the stopper 8-5 extends out of the first opening 5-4 and the second opening 5-5, and after the piston rod of the first cylinder 8-1 retracts, the first return spring 8-8 returns the first rotating shaft 8-2 to its original position.

[0043] A second positioning mechanism 9 is provided on the right side of the waiting-for-labeling station 5-2 at the right end of the label bin 5. The second positioning mechanism is composed of a second cylinder 9-1, a second rotating shaft 9-2, a swing plate 9-3, a baffle 9-4, a second return spring 9-5 and a second rotating shaft top plate 9-6. The marking bin 5 on the outside of the marking station 5-2 on the right end is provided with a long hole 5-6 in the direction of the box body, the vertical part of the L-shaped baffle 9-4 is placed in the long hole 5-6, the horizontal part of the baffle 9-4 is placed below the marking bin 5 and connected to the swing plate 9-3, the swing plate 9-3 is connected to the second rotating shaft 9-2, the cross-section of the second rotating shaft 9-2 is rectangular, the two ends of the second rotating shaft 9-2 are rotatably connected to the support frame 3, an L-shaped second rotating shaft top plate 9-6 is installed in the middle of the left side of the second rotating shaft 9-2, a second cylinder 9-1 is provided above the horizontal part of the second rotating shaft top plate 9-6, the second cylinder 9-1 is connected to the bottom surface of the marking bin 5, and a second reset spring 9-5 is provided between the two ends of the outer side of the swing plate 9-3 and the bottom surface of the marking bin 5.

[0044] The support frame 3 on one side of the box head 4-1 is provided with a stop plate mechanism 10 ( Figure 8-Figure 14As shown in the figure, the mark-blocking plate mechanism 10 is composed of a bracket 10-1, a slide rail 10-2, a guide bar 10-3, a front guide plate 10-4, a rear guide plate 10-5, a mounting plate 10-6, a sleeve 10-7, a movable guide bar 10-8, a guide wheel 10-9, a fixed block 10-10, a baffle cylinder 10-11, a cushion column 10-12 and a limit lever 10-13, etc. The slide rail 10-2 is located on the left side of the front frame of the support frame 3, and the slide rail 10-2 is arranged along the movement direction of the box body. The slide rail 10-2 is connected to the bottom plate 10-14 through the L-shaped bracket 10-1, and the bottom plate 10-14 is connected to the front frame of the support frame 3. The cross section of the slide rail 10-2 is concave, with the notch facing inward. Two longitudinal guide holes are provided at the bottom of the notch of the slide rail 10-2. Three longitudinal guide strips 10-3 are installed on the outer side of the slide rail 10-2. A front guide plate 10-4 and a rear guide plate 10-5 are installed between adjacent guide strips 10-3, respectively. The front guide plate 10-4 and the rear guide plate 10-5 are copper plates. The cross sections of the front guide plate 10-4 and the rear guide plate 10-5 are U-shaped. The openings of the front guide plate 10-4 and the rear guide plate 10-5 face inward. Copper baffles are embedded in the grooves of the front guide plate 10-4 and the rear guide plate 10-5. The front guide plate 10-4 and the rear guide plate 10-5 correspond to the two guide holes, respectively. A strip-shaped mounting plate 10-6 is provided in the recess of the slide rail 10-2, and the front guide plate 10-4 and the rear guide plate 10-5 are connected to the mounting plate 10-6 by bolts passing through the guide holes, respectively, and the bolts between the guide plate and the mounting plate 10-6 are fitted with sleeves 10-7. A movable guide bar 10-8 is installed on the outer side of the mounting plate 10-6, and a gasket 10-15 is fitted on the connecting bolts between the mounting plate 10-6 and the movable guide bar 10-8. The upper and lower end surfaces of the movable guide bar 10-8 are provided with a trapezoidal portion, and the movable guide bar 10-8 cooperates with four guide wheels 10-9 in the middle of the slide rail 10-2. Two guide wheels 10-9 are respectively provided above and below the movable guide bar 10-8, and the guide wheel 10-9 is provided with a guide groove, and the trapezoidal portion of the movable guide bar 10-8 is placed in the guide groove. One end of the movable guide bar 10-8 is connected to the piston rod of the baffle cylinder 10-11 through a fixed block 10-10 and bolts, and the cylinder body of the baffle cylinder 10-11 is connected to the slide rail 10-2 through a pad column 10-12 and bolts. A limit lever 10-13 is installed on the upper part of the bracket 10-1, and the limit lever 10-13 limits the piston rod. The sliding track of the movable guide bar 10-8 is controlled by the guide wheel 10-9, and the baffle cylinder 10-3 drives the front guide plate 10-4 and the rear guide plate 10-5 to move longitudinally through the movable guide bar 10-8 and the mounting plate 10-6. The front side of the support frame 3 is installed with a guide bar 14 for the body of the standard box opposite to the baffle plate mechanism 10, and the guide bar 14 for the body of the standard box is connected to the support frame 3 through an adjustable bracket 14-1.

[0045] The automatic labeling process of the present invention is as follows: the box head 4-1 of the label box is filled with labels, and 4-6 box bodies 4-2 are filled with labels, a box body 4-2 filled with labels is placed at the label supply station 5-1 of the label bin 5, and 4-6 box bodies 4-2 filled with labels are placed at the label supply station 5-2 of the label bin 5, and both ends of the box body 4-2 are located on the conveyor belt 7-6. When the detection switch detects that the labels in the box body 4-2 of the label supply station 5-1 are used up, the control system controls the first positioning mechanism 8 and the second positioning mechanism 9 to reset, the label pressing cylinder 11 to reset, the baffle cylinder of the label baffle mechanism 10 to extend to block the inner end of the box head 4-1, and at the same time the label feeding electric The machine 7-1 starts, the box body 4-2 of the label supply station 5-1 moves to the right, and the box body 4-2 of the label supply station 5-2 moves to the right at the same time. After the first box body 4-2 on the right side of the label supply station 5-2 moves to the label supply station 5-1, the first box body detection switch 12 detects and sends a signal to the control system, and the control system controls the block 8-5 of the first positioning mechanism 8 to pop out, and the two box body positioning electromagnets 5-3 are energized to adsorb and position the box body 4-2; after the second box body detection switch 13 detects the box body 4-2 of the label supply station 5-2 on the right side, the positioning plate 9-1 of the second positioning mechanism 9 pops out to position the box body 4-2 of the label supply station on the right. The label pressing cylinder 11 presses the label in the box body 4-2 of the label supply station 5-1, and the baffle cylinder 10-11 of the label baffle mechanism 10 is reset, the label box body is replaced, and the empty box body 4-2 enters the collection box 15 on the right side of the support frame 3.

[0046] The above description is only a preferred feasible embodiment of the present invention, and does not limit the scope of rights of the present invention. All equivalent structural changes made using the contents of the present invention description and drawings are included in the scope of rights of the present invention.

Claims

1. An automatic labeling device for a cold glue labeling machine, comprising a support, a support frame, and a label box, wherein the support frame of the frame structure is fixedly connected to the support, the label box comprises a box head and a box body, the box head is fixedly connected to an end of one side of the support frame, and a label detection sensor is installed on one side of the box head, characterized in that: A flat-plate structured label bin is provided in the support frame, and the label bin is provided with a label waiting station and a label supplying station. At least four box bodies are arranged in parallel in the label waiting station, and both ends of the box body are respectively placed on the conveyor belt of the conveying mechanism, and the label supplying station is opposite to the box head; the label supplying station is provided with a box body positioning electromagnet, and a first positioning mechanism for the label supplying box body is provided on one side of the label box movement direction of the label supplying station, and a first detection switch is provided on the support frame of the label supplying station, and a label blocking plate mechanism in the box body movement direction is provided on the support frame on the box head side; The baffle plate mechanism comprises a bracket, a slide rail, a baffle cylinder, and a baffle plate. The slide rail is connected to the support frame through the bracket, and the slide rail is arranged along the movement direction of the box body. The cross-section of the slide rail is concave, and the notch is inwardly facing. Two longitudinal guide holes are arranged at the bottom of the notch of the slide rail, and three guide strips are arranged on the outer side surface of the slide rail. A front guide plate and a rear guide plate are respectively installed between adjacent guide strips. The cross-sections of the front guide plate and the rear guide plate are U-shaped, and the front guide plate and the rear guide plate correspond to the guide holes respectively; a strip-shaped mounting plate is arranged in the notch of the slide rail, and the front guide plate and the rear guide plate are respectively fixed to the mounting plate, and a movable guide strip is installed on the outer side surface of the mounting plate, and a trapezoidal portion is arranged on the upper and lower end surfaces of the movable guide strip, and the movable guide strip cooperates with the guide wheel in the middle of the slide rail, and the guide wheel is provided with a guide groove, and the guide wheels are respectively located above and below the movable guide strip; one end of the movable guide strip is fixedly connected to the piston rod of the cylinder through a fixed block, and the cylinder body of the cylinder is fixedly connected to the slide rail through a pad column; the bracket is provided with a limit lever; A second positioning mechanism is provided on the outer side of the station to be marked, and the second positioning mechanism includes a second cylinder, a second rotating shaft, a swinging plate, a baffle, a second return spring and a second rotating shaft top plate. The mark bin on the outer side of the station to be marked is provided with a long hole in the direction of the box body, and the vertical part of the L-shaped baffle is placed in the long hole. The horizontal part of the baffle below the mark bin is connected to the swinging plate, and the swinging plate is connected to the second rotating shaft. Both ends of the second rotating shaft are rotatably connected to the support frame. An L-shaped second rotating shaft top plate is installed in the middle of the side surface of the second rotating shaft, and a second cylinder is provided above the horizontal part of the second rotating shaft top plate, and the second cylinder is connected to the bottom surface of the mark bin, and a second return spring is provided between the two ends of the outer side of the swinging plate and the bottom surface of the mark bin.

2. The automatic labeling device for the cold glue labeling machine according to claim 1, characterized in that: The conveying mechanism includes a servo motor, a driving shaft, a driving wheel, a driven shaft, a driven wheel and a conveyor belt. The driving wheel and the driven wheel are rotatably connected to the support frame through the driving shaft and the driven shaft respectively. The conveyor belt is installed between the driving wheel and the driven wheel. The driving shaft is driven by a servo motor installed on the support frame, and the upper part of the conveyor belt is placed on the upper surface of the standard bin.

3. The automatic labeling device for the cold glue labeling machine according to claim 1, characterized in that: The first positioning mechanism includes a first cylinder, a first rotating shaft, a rocker arm, a rocker arm connecting plate, a stopper, a first rotating shaft top plate, a rocker arm fixing bolt and a first return spring. The stopper is located in the first opening and the second opening of the mark supply station. The stopper is installed at both ends of the vertical part of the L-shaped rocker arm connecting plate on the bottom of the mark bin. The two ends of the horizontal part of the rocker arm connecting plate are respectively connected to one end of the two rocker arms, and the other end of the rocker arm is connected to the first rotating shaft through a rocker arm fixing bolt. The two ends of the first rotating shaft are rotatably connected to the support frame. The L-shaped first rotating shaft top plate is installed on the side of the first rotating shaft, and the first cylinder is installed on the mark bin above the horizontal part of the first rotating shaft top plate. The first return springs are respectively installed between the two ends of the first rotating shaft top plate and the mark bin.

4. The automatic labeling device for the cold glue labeling machine according to claim 1, characterized in that: A second detection switch is installed on the support frame of the station to be marked.

5. The automatic labeling device for cold glue labeling machine according to claim 1, characterized in that: A pressure-marking cylinder is installed on a support frame at one side of the label supplying station far away from the box head, and the pressure-marking cylinder is fixedly connected to the support frame through a cylinder bracket.

6. The automatic labeling device for the cold glue labeling machine according to claim 1, characterized in that: A fixed guide strip is installed on the support frame at the side of the station to be supplied with labels which is away from the box head.

7. The automatic labeling device for the cold glue labeling machine according to claim 1, characterized in that: The left and right sides of the box head are connected to the horizontal box head base through an L-shaped box head bracket. The connecting hole of the box head base is a long hole. The two ends of the box head base are respectively fixed to U-shaped connecting blocks. The outer wall of the connecting block is provided with a notch structure. A locking block is rotatably connected in the notch structure. The inner end of the locking block is a triangle. A locking handle is installed on the outer end of the locking block. The connecting block is mounted on the support column, and the lower end of the support column is fixed to the support frame.

8. The automatic labeling device for cold glue labeling machine according to claim 1, characterized in that: A plurality of label guide strips are installed on the inner surface of the inner end of the box head, and rollers are arranged at the outer ends of the label guide strips.

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