A multi-station automatic assembly U-shaped line for notebook shells and its assembly process

Abstract

The present invention relates to a multi-station automatic assembly U-shaped line for notebook shells and an assembly process thereof. The U-shaped line comprises a first workbench and a second workbench, a lens attaching mechanism being arranged between the first and second workbench, a control panel being provided at one end of the first workbench, a top end of the first workbench being fixedly connected to a wheat pull feeding mechanism and a printing mechanism, a top end of the second workbench being fixedly connected to a hot pressing mechanism, a transfer mechanism, and a hot melt mechanism, a feeding belt line and a unloading belt line being provided on one side of the first workbench, a blocking slide cylinder being arranged at the top end of the feeding belt line, and photoelectric sensors being arranged on both sides, the unloading belt line, the wheat pull feeding mechanism, the hot pressing mechanism, the transfer mechanism, the hot melt mechanism, the lens attaching mechanism, the printing mechanism, and the unloading belt line forming a U-shaped line. The U-shaped line comprises the wheat pull feeding mechanism, the hot pressing mechanism, the transfer mechanism, the hot melt mechanism, the lens attaching mechanism, the printing mechanism, and the unloading belt line. The U-shaped line has the advantages of reducing site area, improving consistency, facilitating material retrieval, and improving versatility.

Description

Technical Field

[0001] The invention relates to the technical field of automatic assembly of notebook shells, in particular to a multi-station automatic assembly U-shaped line for notebook shells and an assembly process thereof. Background Art

[0002] At present, when processing the top cover of a notebook, it involves the process of laminating small auxiliary materials on small products, or insulating auxiliary materials to isolate live bodies, and in the existing technology, operators generally perform manual lamination. However, since the structures of small auxiliary materials and small lens modules are relatively small, the lamination work is not only time-consuming and labor-intensive, but also its accuracy often varies greatly due to the different proficiency of the operators, making it difficult to ensure product consistency. At the same time, the linear assembly line takes up a large space, increasing production costs. In this way, the mounting process not only requires more operators, but also consumes more manpower and material resources. Moreover, since many repetitive operations are performed during the processing, the operators often become tired and lazy in the later stages of the processing, making it difficult to ensure product quality and consistency, thereby reducing the product yield. Since the demand for products is often large, the existing methods of processing a single product are also difficult to meet market demand.

[0003] To this end, we have developed a multi-station automatic assembly U-shaped line for notebook shells to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to overcome the shortcomings of the existing technology and provide a multi-station automatic assembly U-shaped line for notebook shells, which has the advantages of reducing site area, improving consistency, facilitating material collection, and improving versatility.

[0005] To achieve the above-mentioned object, the present invention adopts the following technical solution: a multi-station automatic assembly line for notebook shells, comprising a first workbench and a second workbench arranged side by side, a lens attaching mechanism disposed between the first workbench and the second workbench, a control panel disposed at one end of the first workbench in the longitudinal direction, and a loading belt line and a unloading belt line disposed parallel to the side of the first workbench away from the lens attaching mechanism;

[0006] The top of the first workbench is provided with a wheat pulling feeding mechanism and a printing mechanism, the top of the second workbench is provided with a hot pressing mechanism, a transfer mechanism and a hot melt mechanism, the feeding belt line, the wheat pulling feeding mechanism, the hot pressing mechanism, the transfer mechanism, the hot melt mechanism, the lens pasting mechanism, the printing mechanism and the unloading belt line form a U-shaped line, the transfer mechanism is arranged at the inflection point of the U-shaped line, the feeding belt line is placed on the notebook cover, and the cover is provided with an upper cover inner groove;

[0007] A first robot is provided at the middle position of the top of the first workbench. A first movable module and a second movable module are respectively provided at both ends of the first workbench in the length direction. A loading module, a first feeder, a second feeder and a first transfer module are sequentially provided on the side of the first movable module away from the first robot. A second transfer module, a label feeder and a printing mechanism are sequentially provided on the side of the second movable module away from the first robot.

[0008] A second robot is provided at the middle position of the second workbench, and a third mobile module, a transfer mechanism and a fifth mobile module are sequentially provided around the second robot. A long Mylar feeder, a lamp tip vibration plate and a hot press are sequentially provided on the side of the third mobile module away from the second robot, and a louver vibration plate, an iron frame vibration plate and a hot melt mechanism are sequentially provided on the side of the fifth mobile module away from the second robot.

[0009] Preferably, the connecting end of the first robot is connected to a locking connector, the lower side of the locking connector is fixedly connected to a connecting plate with a stepped structure, the bottom end of the connecting plate is fixedly connected to a plurality of suction head slide cylinders, a suction head is provided at the bottom end of the suction head slide cylinder, the other end of the connecting plate is connected to an image detection unit, a ring light source is mounted at the bottom end of the image detection unit, a lens is provided at the bottom end of the image detection unit, a ring hole is provided at the center of the ring hole, and the lens is arranged at the center position of the ring hole.

[0010] Preferably, a blocking slide cylinder is installed at the top of the feeding belt line, and photoelectric sensors are installed on both sides, and a blocking head is provided at one end of the blocking slide cylinder.

[0011] Preferably, the top of the first movable module is slidably connected to a first carrier through a connecting hole, an L-shaped block is provided at a corner of the first carrier, a plurality of first strip grooves are provided at one end in the length direction of the first carrier, and a plurality of second strip grooves are provided at one end in the width direction, the first strip grooves are provided with a plurality of first through holes, the second strip grooves are provided with a plurality of second through holes, a first cylinder is set between two of the first strip grooves, a second cylinder is set between two of the second strip grooves, and a corner of the upper cover abuts against the L-shaped block.

[0012] The loading module includes a horizontal slide and a vertical slide. A first fork sensor and a second fork sensor are respectively provided at both ends of the horizontal slide, and a first linear motor is fixedly connected at one end. The horizontal slide and the vertical slide are fixedly connected through a first slider, and the first slider is provided with a first slide.

[0013] A second linear motor is provided at one end of the vertical slide and is slidably connected to a second slider. A second slide is provided on one side of the length direction of the second slider. A third fork sensor and a fourth fork sensor are provided on one side of the vertical slide.

[0014] Preferably, the hot melt mechanism includes a lifting cylinder, a horizontal plate is fixed to the top of the lifting cylinder, a mini cylinder is fixed to both ends of the horizontal plate, and a hot melt pressure head is provided at the bottom end of the mini cylinder.

[0015] Preferably, the lens sticking mechanism includes a flipping assembly and a second transfer module, the flipping assembly includes a guide slide, a top motor is provided at the top of the guide slide, and is fixedly connected to a vertical drag chain, a rotating cylinder is fixed to one side of the bottom end of the guide slide, the rotating cylinder is fixedly connected to a bracket plate, the bracket plate can be adjusted to connect multiple suction cups, and the suction cups are sucked into the inner groove of the upper cover.

[0016] Preferably, the printing mechanism includes a printing press, a feeding module is provided on one side of the printing press, and one end of the feeding module is mounted on the top of the feeding belt line.

[0017] Preferably, an oven is mounted on the top of the unloading belt line, and the upper cover assembly is placed on the unloading belt line through the unloading module.

[0018] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art:

[0019] 1. The multi-station automatic assembly U-shaped line for the notebook shell of the present invention reduces the occupied area.

[0020] 2. The U-shaped layout of automatic assembly makes it easier for the robot to pick up materials on both sides, shortening working hours and improving assembly efficiency.

[0021] 3. The use of image detection units improves assembly accuracy, product consistency and yield rate.

[0022] 4. When replacing the assembly of the same type of product, except for the carrier, contact head and corresponding feeder, the versatility of parts is improved and costs are saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a top view of the internal structure of the U-shaped line for the multi-station automatic assembly of the notebook shell according to the present invention.

[0024] Figure 2 This is a three-dimensional diagram of the internal structure of the U-shaped line for the multi-station automatic assembly of the notebook shell according to the present invention.

[0025] Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle.

[0026] Figure 4 For the present invention Figure 2 Enlarged view of point B in the middle.

[0027] Figure 5 For the present invention Figure 2 Enlarged view of point C in the middle.

[0028] Figure 6 This is a schematic diagram of the connection structure of the first robot connection end of the present invention.

[0029] Figure 7 For the present invention Figure 6 Schematic diagram of the bottom structure.

[0030] Figure 8 Schematic diagram of the structure of the first carrier of the present invention.

[0031] Figure 9 It is a structural schematic diagram of the feeding module of the present invention.

[0032] Figure 10 It is a structural schematic diagram of the upper cover of the present invention. DETAILED DESCRIPTION

[0033] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0034] Figures 1 to 5 、 Figure 10 A multi-station automatic U-shaped assembly line for laptop shells is described. The line includes a first workbench 5 and a second workbench 6, both of which are adjustable in height and arranged side by side. A lens attaching mechanism 60 is positioned between the first and second workbench 5 and 6. A control panel 29 is located at one end of the first workbench 5. The control panel 29 may be a PLC or other control panel.

[0035] The top of the first workbench 5 is fixedly connected to the wheat pulling feeding mechanism 20 and the printing mechanism 70. The wheat pulling feeding mechanism 20 is a feeder feeder. The top of the second workbench 6 is fixedly connected to the hot pressing mechanism 30, the transfer mechanism 40 and the hot melt mechanism 50. A loading belt line 4 and a unloading belt line 3 are provided in parallel on the side of the first workbench 5 away from the lens sticking mechanism 60. A blocking slide cylinder 13 is set at the top of the loading belt line 4, and photoelectric sensors 12 are set at both sides. A blocking head 131 is provided at one end of the blocking slide cylinder 13. The unloading belt line 3, the Mylar loading mechanism 20, the hot pressing mechanism 30, the transfer mechanism 40, the hot melt mechanism 50, the lens attaching mechanism 60, and the printing mechanism 70 form a U-shaped line with the unloading belt line 3. The transfer mechanism 40 is located at the inflection point of the U-shaped line. The loading belt line 4 places the notebook cover 100. The cover 100 has an inner groove 101. A notch 102 is provided on one side of the cover 100 along its length. Slot 102 is used to install the small lens module. The Mylar insulation sheet is attached to the inner groove 101. The hot pressing mechanism 30 heat-presses the Mylar insulation sheet and the lamp tip.

[0036] To facilitate loading by the first robot, a first robot 80 is positioned at the top center of the first workbench 5. A first movable module 22 and a second movable module 75 are respectively positioned at the longitudinal ends of the first workbench 5. The first movable module 22, located away from the first robot 80, is sequentially equipped with a loading module 15, a first feeder 23, a second feeder 231, and a first transfer module 31. The second movable module 75, located away from the first robot 80, is sequentially equipped with a second transfer module 62, a label feeder 24, and a printing mechanism 70. The first robot 80 can simultaneously pick up wheat from the first feeder 23 and the second feeder 231, and then remove labels from the label feeder 24.

[0037] To facilitate material loading by the second robot, a second robot 81 is positioned in the middle of the second workbench 6. The second robot 81 has the same specifications as the first robot 80 and is electrically connected to the control panel 29. A third movable module 33, a transfer mechanism 40, and a fifth movable module 55 are positioned around the second robot 81. A long Mylar feeder 34, a lamp tip vibrating plate 35, and a heat press 36 are positioned on the side of the third movable module 33 facing away from the second robot 81. A louver vibrating plate 52, an iron frame vibrating plate 53, and a hot melt mechanism 50 are positioned on the side of the fifth movable module 55 facing away from the second robot 81. The second robot 81 picks up the long Mylar, lamp tip, louver, and small iron frame materials and attaches them to corresponding locations within the inner groove 101 of the upper cover. In order to reduce costs and improve versatility, the first mobile module 22, the third mobile module 33, the transfer mechanism 40, the fifth mobile module 55 and the second mobile module 75 have the same structural dimensions, and the second carrier 32 and the third carrier 59 used at the same time have the same structural dimensions as the first carrier 21.

[0038] Figure 6 and Figure 7 In the figure, the connection end of the first robot 80 is connected to a locking connector 801. The lower side of the locking connector 801 is fixedly connected to a stepped connecting plate 802. The bottom of one end of the connecting plate 802 is fixedly connected to multiple suction head slide cylinders 805. The other end of the connecting plate 802 is connected to an image detection unit 803. A suction head 806 is installed at the bottom end of the suction head slide cylinder 805. The bottom end of the suction head 806 is provided with a row of vacuum suction holes 807 to facilitate the suction of strips of Mylar insulation sheets. A ring light source 804 is mounted at the bottom end of the image detection unit 803. A ring hole 8041 is provided at the center of the ring light source 804. A lens 8031 ​​is installed at the bottom end of the image detection unit 803, and the lens 8031 ​​is positioned at the center of the ring hole 8041. The annular light source 804 provides light for the image detection unit 803, which is controlled by the control panel 29. The image detection unit 803 provides precise positioning for the Mylar sheet, label and small lens module, and the vacuum suction hole 807 is used for material attachment to improve the consistency of auxiliary material attachment.

[0039] Figure 1 、 Figure 8In the embodiment, the top of the first movable module 22 is slidably connected to a first carrier 21 through a connection hole 215. An L-shaped stopper 217 is provided at one corner of the first carrier 21. A plurality of first strip grooves 211 are provided at one end in the longitudinal direction of the first carrier 21, and a plurality of second strip grooves 213 are provided at one end in the width direction. The first strip grooves 211 are provided with a plurality of first through holes 212, and the second strip grooves 213 are provided with a plurality of second through holes 214. A first cylinder is provided between two first strip grooves 211, and a second cylinder is provided between two second strip grooves 213. A corner of the upper cover 100 abuts against the L-shaped stopper 217. That is, two adjacent sides of the upper cover 100 are positioned by the L-shaped stopper 217, and two adjacent sides are press-fitted by the first and second cylinders.

[0040] In order to facilitate the movement of the upper cover 100 in the horizontal and vertical directions, Figure 9 In the embodiment, the loading module 15 includes a horizontal slide 151 and a vertical slide 155. A first fork sensor 1511 and a second fork sensor 1512 are respectively provided at both ends of the horizontal slide 151, and a first linear motor 153 is fixedly connected at one end. The horizontal slide 151 and the vertical slide 155 are fixedly connected via a first slider 152, which is provided with a first slide 1521. The first fork sensor 1511 and the second fork sensor 1512 limit the lateral position of the first slide 1521. A second linear motor 156 is provided at one end of the vertical slide 155, and is slidably connected to a second slider 157. A second slide 1571 is provided on one side of the second slider 157 in the longitudinal direction. A third fork sensor 1551 and a fourth fork sensor 1552 are provided on one side of the second slide 1571 on the vertical slide 155. The third fork sensor 1551 and the fourth fork sensor 1552 vertically limit the second slide 1571. The first linear motor 153 and the second linear motor 156 are electrically connected to the control panel 29.

[0041] To facilitate the fixing of the blinds and the small iron frame, the hot melt mechanism 50 includes a lifting cylinder 541, which is mounted on the top of the second workbench 6. A horizontal plate 542 is fixed to the top of the lifting cylinder 541. A mini cylinder 543 is fixed to each end of the horizontal plate 542. The bottom end of the mini cylinder 543 is provided with a hot melt pressure head 544. The two hot melt pressure heads 544 are used to fix the blinds and the small iron frame respectively.

[0042] To facilitate rotation and attachment, the lens attachment mechanism 60 includes a flip assembly 61 and a second transfer module 62. The second transfer module 62 fits the small lens module into the slot 102 of the upper cover 100. The flip assembly 61 includes a guide slide 612. A top motor 611 is provided at the top of the guide slide 612, and a vertical drag chain 617 is fixedly connected. The drag chain 617 improves the stability of the up and down movement of the bracket plate 614. A rotating cylinder 613 is fixed to one side of the bottom end of the guide slide 612. The rotating cylinder 613 is fixedly connected to a bracket plate 614 and is electrically connected to the control panel 29. The bracket plate 614 can be adjusted to connect to multiple suction cups 616, which are suction-engaged with the inner groove 101 of the upper cover.

[0043] To facilitate printing on the side of the upper cover 100 facing away from the inner groove 101, that is, on the outer surface of the upper cover 100, the printing mechanism 70 includes a printer 71. A discharge module 72 is located on one side of the printer 71. One end of the discharge module 72 is mounted on the top of the discharge conveyor 3. A drying oven 73 is mounted on the top of the discharge conveyor 3. The upper cover 100 assembly is placed onto the discharge conveyor 3 through the discharge module 72. After printing, it passes through the drying oven channel for drying before being discharged and entering the subsequent assembly process.

[0044] The assembly process of a multi-station automatic assembly U-shaped line for notebook shells is as follows:

[0045] S10. The unloading belt line 3, the wheat pulling loading mechanism 20, the hot pressing mechanism 30, the transfer mechanism 40, the hot melt mechanism 50, the lens attaching mechanism 60, the printing mechanism 70 and the unloading belt line 3 form a U-shaped line, and the transfer mechanism 40 is set at the inflection point of the U-shaped line. The upper cover 100 is placed with the upper cover inner groove 101 facing upward on the loading belt line 4, and the control panel 29 is started. The control panel 29 is a PLC control panel or other control panel. The photoelectric sensor 12 is provided in the middle position on both sides of the loading belt line 4. When it moves to the photoelectric sensor 12, the photoelectric sensor 12 detects the upper cover 100. The loading module 15, under the control of the linear motor, moves horizontally and vertically to suck the upper cover 100 onto the first carrier 21.

[0046] S20. The first carrier 21 moves along the first movable module 22 to the side of the first robot 80. The connection end of the first robot 80 is connected to the locking connector 801. The lower side of the locking connector 801 is fixedly connected to a stepped connecting plate 802. The bottom of one end of the connecting plate 802 is fixedly connected to multiple suction head slide cylinders 805. The other end of the connecting plate 802 is connected to an image detection unit 803. A suction head 806 is provided at the bottom end of the suction head slide cylinder 805. The bottom end of the suction head 806 is provided with a row of vacuum suction holes 807. The vacuum suction holes 807 of the first robot 80 vacuum-suction the wheat pull tabs on the first feeder 23 and the second feeder 231 and place them in the corresponding positions of the inner groove 101 of the upper cover. At the same time, the label is vacuum-suctioned from the label feeder 24 for attachment.

[0047] S30. The first transfer module 31 sucks the product onto the second carrier 32 on the third mobile module 33, and the vacuum suction hole 807 of the second robot 81 respectively attaches the long Mylar sheet on the long Mylar feeder 34 and the lamp tip on the lamp tip vibration plate 35 to the corresponding positions of the inner groove 101 of the upper cover, and then the second carrier 32 is moved to the hot press 36 for hot pressing.

[0048] S40 . After hot pressing, the transfer mechanism 40 moves the upper cover 100 to the third carrier 59 .

[0049] S50. The second robot 81 places the blinds in the blinds vibration plate 52 and the small iron frame in the iron frame vibration plate 53 into the corresponding grooves of the inner groove 101 of the upper cover through the vacuum suction hole 807. A horizontal plate 542 is fixed to the top of the lifting cylinder 541 of the hot melt mechanism 50, and a mini cylinder 543 is fixed at both ends of the horizontal plate 542. The hot melt pressure head 544 at the bottom end of the mini cylinder 543 hot presses the placed components.

[0050] S60. The flipping assembly 61 of the lens sticking mechanism 60 flips the upper cover 100 through the rotating cylinder 613, that is, the guide slide 612 of the flipping assembly 61 moves upward, driving the drag chain 617 to move upward, and when the limit switch is touched, the rotating cylinder 613 drives the bracket plate 614 to flip 180°, and the second transfer module 62 installs the small lens module on the upper cover 100, and then moves the upper cover 100 to the second movable module 75 on the side of the printing machine 71, and the printing machine 71 prints the upper cover 100, and the unloading module 72 moves the printed upper cover 100 to the unloading belt line 3, and after the oven 73 dries the printed part, the unloading belt line 3 unloads the upper cover 100.

[0051] S70. Repeat the above steps.

[0052] The above are only specific application examples of the present invention and do not constitute any limitation on the scope of protection of the present invention. Any technical solutions formed by equivalent transformation or equivalent replacement shall fall within the scope of protection of the present invention.

Claims

1. A multi-station automatic assembly U-shaped line for notebook shells, characterized by: The invention comprises a first workbench (5) and a second workbench (6) arranged side by side, a lens sticking mechanism (60) being provided between the first workbench (5) and the second workbench (6), a control panel (29) being provided at one end in the length direction of the first workbench (5), and a loading belt line (4) and a unloading belt line (3) being provided in parallel on a side of the first workbench (5) away from the lens sticking mechanism (60); The top of the first workbench (5) is provided with a wheat pull feeding mechanism (20) and a printing mechanism (70), the top of the second workbench (6) is provided with a hot pressing mechanism (30), a transfer mechanism (40) and a hot melt mechanism (50), the feeding belt line (4), the wheat pull feeding mechanism (20), the hot pressing mechanism (30), the transfer mechanism (40), the hot melt mechanism (50), the lens sticking mechanism (60), the printing mechanism (70) and the unloading belt line (3) form a U-shaped line, the transfer mechanism (40) is arranged at the inflection point of the U-shaped line, the feeding belt line (4) is placed on the notebook cover (100), and the cover (100) is provided with an inner groove (101) for the cover; A first robot (80) is provided at the middle position of the top of the first workbench (5); a first movable module (22) and a second movable module (75) are provided at both ends of the first workbench (5) in the length direction; a loading module (15), a first feeder (23), a second feeder (231) and a first transfer module (31) are provided in sequence on the side of the first movable module (22) away from the first robot (80); a second transfer module (62), a label feeder (24) and a printing mechanism (70) are provided in sequence on the side of the second movable module (75) away from the first robot (80); A second robot (81) is provided at the middle position of the second workbench (6), and a third movable module (33), a transfer mechanism (40) and a fifth movable module (55) are sequentially provided around the second robot (81); a long Mylar feeder (34), a lamp tip vibration plate (35) and a hot press (36) are sequentially provided on the side of the third movable module (33) away from the second robot (81); and a shutter vibration plate (52), an iron frame vibration plate (53) and a hot melt mechanism (50) are sequentially provided on the side of the fifth movable module (55) away from the second robot (81); The connection end of the first robot (80) is connected to a locking connector (801), the lower side of the locking connector (801) is fixedly connected to a connecting plate (802) with a stepped structure, the bottom end of the connecting plate (802) is fixedly connected to a plurality of suction head slide cylinders (805), a suction head (806) is provided at the bottom end of the suction head slide cylinder (805), and the other end of the connecting plate (802) is connected to an image detection unit (803); The lens attaching mechanism (60) comprises a flip assembly (61) and a second transfer module (62); the flip assembly (61) comprises a guide slide (612); a top motor (611) is provided at the top end of the guide slide (612) and is fixedly connected to a vertical drag chain (617).

2. The U-shaped multi-station automatic assembly line for notebook shells according to claim 1 is characterized in that: An annular light source (804) is mounted at the bottom end of the image detection unit (803), a lens (8031) is provided at the bottom end of the image detection unit (803), a ring hole (8041) is provided at the center of the annular light source (804), and the lens (8031) is arranged at the center position of the ring hole (8041).

3. The U-shaped multi-station automatic assembly line for notebook shells according to claim 2 is characterized in that: A blocking slide cylinder (13) is installed at the top of the feeding belt line (4), and photoelectric sensors (12) are installed on both sides. A blocking head (131) is provided at one end of the blocking slide cylinder (13).

4. The U-shaped multi-station automatic assembly line for notebook shells according to claim 1 is characterized in that: The top of the first movable module (22) is slidably connected to a first carrier (21) through a connecting hole (215); an L-shaped stopper (217) is provided at a corner of the first carrier (21); a plurality of first strip grooves (211) are provided at one end in the length direction of the first carrier (21), and a plurality of second strip grooves (213) are provided at one end in the width direction; the first strip grooves (211) are provided with a plurality of first through holes (212); the second strip grooves (213) are provided with a plurality of second through holes (214); a first cylinder is provided between two of the first strip grooves (211); a second cylinder is provided between two of the second strip grooves (213); and a corner of the upper cover (100) abuts against the L-shaped stopper (217).

5. The U-shaped multi-station automatic assembly line for notebook shells according to claim 1 is characterized in that: The loading module (15) includes a horizontal slide (151) and a vertical slide (155), and the two ends of the horizontal slide (151) are respectively provided with a first fork sensor (1511) and a second fork sensor (1512), and a first linear motor (153) is fixedly connected at one end. The horizontal slide (151) and the vertical slide (155) are fixedly connected through a first slider (152), and the first slider (152) is provided with a first slide (1521).

6. The U-shaped multi-station automatic assembly line for notebook shells according to claim 5 is characterized in that: A second linear motor (156) is provided at one end of the vertical slide (155) and is slidably connected to a second slider (157). A second slide (1571) is provided on one side of the length direction of the second slider (157). A third fork sensor (1551) and a fourth fork sensor (1552) are provided on one side of the vertical slide (155) located on the second slide (1571).

7. The U-shaped multi-station automatic assembly line for notebook shells according to claim 1 is characterized in that: The hot melt mechanism (50) includes a lifting cylinder (541), a horizontal plate (542) is fixed to the top of the lifting cylinder (541), a mini cylinder (543) is fixed to both ends of the horizontal plate (542), and a hot melt pressure head (544) is provided at the bottom end of the mini cylinder (543).

8. The U-shaped multi-station automatic assembly line for notebook shells according to claim 1 is characterized in that: A rotating cylinder (613) is fixed to one side of the bottom end of the guide slide (612), and the rotating cylinder (613) is fixedly connected to a bracket plate (614). The bracket plate (614) can be adjusted to connect a plurality of suction cups (616), and the suction cups (616) are sucked into the inner groove (101) of the upper cover.

9. The U-shaped multi-station automatic assembly line for notebook shells according to claim 1 is characterized in that: The printing mechanism (70) includes a printing machine (71), a feeding module (72) is provided on one side of the printing machine (71), one end of the feeding module (72) is mounted on the top of the feeding belt line (3), an oven (73) is mounted on the top of the feeding belt line (3), and the upper cover (100) assembly is placed on the feeding belt line (3) through the feeding module (72).

10. An assembly process for a multi-station automatic assembly U-shaped line for notebook shells according to any one of claims 1 to 9, characterized in that: The following steps are involved: S10. Place the upper cover (100) with the inner groove (101) of the upper cover upward on the feeding belt line (4), start the control panel (29), and when it moves to the photoelectric sensor (12), the photoelectric sensor (12) detects the upper cover (100), and the feeding module (15) sucks the upper cover (100) onto the first carrier (21) under the control of the linear motor; S20. The first carrier (21) moves along the first moving module (22) to the side of the first robot (80), and the first robot (80) vacuum-suctions the wheat pull tabs on the first feeder (23) and the second feeder (231) and places them in corresponding positions in the inner groove (101) of the upper cover, and simultaneously vacuum-suctions the labels from the label feeder (24) for attachment; S30. The first transfer module (31) sucks the product onto the second carrier (32) on the third mobile module (33), and the second robot (81) respectively mounts the long Mylar sheet on the long Mylar feeder (34) and the lamp tip on the lamp tip vibration plate (35) to the corresponding positions of the inner groove (101) of the upper cover, and then the second carrier (32) moves to the hot press (36) for hot pressing; S40. After hot pressing, the transfer mechanism (40) moves the upper cover (100) to the third carrier (59); S50. The second robot (81) places the blinds in the blinds vibration plate (52) and the small iron frame in the iron frame vibration plate (53) into the corresponding grooves of the inner groove (101) of the upper cover, and the hot melt mechanism (50) heat-presses the placed components through the hot melt pressure head (544); S60. The flip assembly (61) of the lens attaching mechanism (60) flips the upper cover (100) through the rotating cylinder (613), the second transfer module (62) installs the small lens module on the upper cover (100), and then moves the upper cover (100) to the second moving module (75) on the side of the printing machine (71). The printing machine (71) prints the upper cover (100). The unloading module (72) moves the printed upper cover (100) to the unloading belt line (3). After the oven (73) dries the printed part, the unloading belt line (3) unloads the upper cover (100); S70. Repeat the above steps.

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