Electronic price tag assembly line

Abstract

The invention discloses an electronic price tag assembly line. A screen is borne on the top surface of a rubberizing platform deck, and a rubberizing mechanism adheres a double-faced adhesive tape to the back surface of a screen body; the top face of the turnover carrying table bears a screen body, the turnover jig is arranged in a turnover mode around a transversely-extending rotating shaft, a turnover head is arranged eccentric to the rotating shaft, the turnover jig is turned over, the turnover head can be turned over to the side edge of the turnover carrying table and bear the flexible circuit board stretching out of the turnover carrying table, and the turnover head can be turned over to the top face of the turnover carrying table. The flexible circuit board supported by the turnover head is turned over and attached to the back face of the screen body; the front shell mounting assembly is used for putting the screen of which the flexible circuit board is folded by the folding assembly into a front shell; the middle frame mounting assembly is used for placing a middle frame on the front shell in which the screen is placed, and a battery compartment is formed in one surface, deviating from the front shell, of the middle frame; the battery mounting assembly is used for placing a battery in a battery compartment; and the rear cover mounting assembly is used for placing a rear cover on the battery compartment. According to the invention, the automation degree of electronic price tag assembly is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of automation equipment, and particularly relates to an electronic price tag assembly line. Background Art

[0002] An electronic price tag is an electronic label used to display price information in places such as supermarkets, convenience stores, and pharmacies, which can replace traditional paper price tags. Each electronic shelf label is connected to a shopping mall computer database through a wired or wireless network, and the latest product information is displayed on the screen of the electronic shelf label. In fact, the electronic shelf label has successfully incorporated the shelf into the computer program, getting rid of the situation of manually replacing price tags and achieving price consistency between the cashier desk and the shelf.

[0003] Currently, most electronic price tags usually include a front shell, a display screen assembly, a battery, a middle frame, and a back cover. Each part is assembled together manually, and the assembly process is labor-consuming, and the degree of automation needs to be improved. Summary of the Invention

[0004] The purpose of the present invention is to provide an electronic price tag assembly line, and the technical problem to be solved is to improve the degree of automation of electronic price tag assembly.

[0005] To achieve the above purpose, the solution of the present invention is: an electronic price tag assembly line, including a glue pasting component, a folding component, a front shell installation component, a middle frame installation component, a battery installation component, and a back cover installation component arranged in sequence;

[0006] The glue pasting component includes a glue pasting carrier and a glue pasting mechanism. The top surface of the glue pasting carrier is used to carry the screen. The screen includes a screen body and a flexible circuit board. On the glue pasting carrier, the back surface of the screen body faces upward, and the flexible circuit board is connected to one side of the screen body. The glue pasting mechanism is arranged above the glue pasting carrier and is used to paste double-sided tape on the back surface of the screen body;

[0007] The folding component includes a folding carrier and a folding fixture. The top surface of the folding carrier is used to carry the screen body and make the flexible circuit board extend out of one side of the folding carrier. The folding fixture is rotatably arranged around a horizontally extending rotating shaft, and a rotating head is eccentrically arranged with respect to the rotating shaft. When the folding fixture rotates, the rotating head can be turned to the side of the folding carrier to support the flexible circuit board extending out of the folding carrier, and the rotating head can also be turned to the top surface of the folding carrier to fold and attach the flexible circuit board supported by the rotating head to the back surface of the screen body;

[0008] The front shell installation component is used to put the screen with the flexible circuit board folded by the folding component into the front shell;

[0009] The middle frame installation component is used to place the middle frame on the front shell with the screen placed therein. The middle frame is provided with a battery compartment on the side facing away from the front shell;

[0010] The battery installation assembly is used to place a battery in the battery compartment;

[0011] The rear cover installation assembly is used to place the rear cover on the battery compartment.

[0012] Furthermore, the tape sticking mechanism includes a tape sticking mechanism bracket and a tape sticking transverse movement driving mechanism;

[0013] A tape sticking reel, a tape sticking take-up reel and a tape sticking roller are installed on the tape sticking mechanism bracket. A tape is wound on the tape sticking reel. Multiple double-sided tapes are attached to one side of the tape, and the multiple double-sided tapes are arranged in an array along the extending direction of the tape. The tape sticking reel is used to release the tape by rotation. The tape sticking take-up reel is used to wind in the tape released by the tape sticking reel by rotation. The tape sticking roller is located below the tape sticking reel and the tape sticking take-up reel. The tape between the tape sticking reel and the tape sticking take-up reel passes under the tape sticking roller, and for the tape under the tape sticking roller, the side with the double-sided tape attached faces downward;

[0014] The tape sticking transverse movement driving mechanism is used to drive the displacement of the tape sticking mechanism bracket, and can make the tape sticking roller roll press on the screen body on the top surface of the tape sticking stage, so as to paste the double-sided tape to the back of the screen body.

[0015] Furthermore, the tape sticking stage is installed on a tape sticking XXY alignment platform. The tape sticking XXY alignment platform is used to drive the horizontal displacement and rotation of the tape sticking stage. A tape sticking camera is also arranged above the tape sticking stage. The tape sticking camera is communicatively connected to the tape sticking XXY alignment platform and is used to make the tape sticking XXY alignment platform drive the tape sticking stage to move and align according to the screen position information collected by it.

[0016] Furthermore, a first transfer robot is also included. The first transfer robot can suck, release and transfer the screen, so as to suck and release the screen on the tape sticking stage to the folding stage.

[0017] Furthermore, the folding stage is installed on a folding XXY alignment platform. The folding XXY alignment platform is used to drive the horizontal displacement and rotation of the folding stage, so as to adjust the relative position between the folding stage and the folding fixture.

[0018] Furthermore, an electrical test component is also arranged between the folding component and the front shell installation component. The electrical test component includes an electrical test rotating platform and an electrical test pressure head;

[0019] A plurality of electrical test platforms are arranged on each of the two opposite sides of the electrical test rotating platform. The top surface of each electrical test platform can be used for placing a screen. The number of the electrical test pressure heads is the same as the number of the electrical test platforms on one side. Each electrical test pressure head is located on one side of the electrical test rotating platform. When the electrical test rotating platform rotates, the electrical test platforms on both sides can be respectively rotated under each electrical test pressure head. Each electrical test pressure head is used to descend and contact and conduct the flexible circuit board of the screen on the electrical test platform, so as to conduct an electrical test on the screen.

[0020] Furthermore, the front shell mounting assembly includes a front shell assembly turntable and a front shell assembly manipulator, the middle frame mounting assembly includes a middle frame assembly turntable and a middle frame assembly manipulator, the battery mounting assembly includes a battery assembly turntable and a battery assembly manipulator, and the rear cover mounting assembly includes a rear cover assembly turntable and a rear cover assembly manipulator;

[0021] The front shell assembly turntable, the middle frame assembly turntable, the battery assembly turntable, and the rear cover assembly turntable are arranged in sequence along an assembly path, are respectively horizontally rotatably arranged around their respective centers, and are provided with positioning grooves in an array around their respective rotation axes on the top surface;

[0022] The front shell assembly manipulator, the middle frame assembly manipulator, the battery assembly manipulator, and the rear cover assembly manipulator are arranged on one side of the assembly path. The front shell assembly manipulator is located beside the front shell assembly turntable and is used to place a front shell at a positioning groove when a positioning groove on the front shell assembly turntable rotates. The middle frame assembly manipulator is located beside the middle frame assembly turntable and is used to place a middle frame at a positioning groove when a positioning groove on the middle frame assembly turntable rotates. The battery assembly manipulator is located beside the battery assembly turntable and is used to place a battery at a positioning groove when a positioning groove on the battery assembly turntable rotates. The rear cover assembly manipulator is located beside the rear cover assembly turntable and is used to place a rear cover at a positioning groove when a positioning groove on the rear cover assembly turntable rotates;

[0023] A screen assembly manipulator is also arranged beside the front shell assembly turntable. Along the rotation direction of the front shell assembly turntable, the screen assembly manipulator is located downstream of the front shell assembly manipulator and is used to place a screen on a front shell when a front shell on the front shell assembly turntable passes by;

[0024] A first handling manipulator is arranged between the front shell assembly turntable and the middle frame assembly turntable, a second handling manipulator is arranged between the middle frame assembly turntable and the battery assembly turntable, and a third handling manipulator is arranged between the battery assembly turntable and the rear cover assembly turntable. The first handling manipulator, the second handling manipulator, and the third handling manipulator are located on the other side of the assembly path. The first handling manipulator is used to grasp and place the front shell with the screen on the front shell assembly turntable into the positioning groove of the middle frame assembly turntable. The second handling manipulator is used to grasp and place the front shell with the middle frame on the middle frame assembly turntable into the positioning groove of the battery assembly turntable. The third handling manipulator is used to grasp and place the front shell and the middle frame with the battery installed into the positioning groove of the rear cover assembly turntable.

[0025] Furthermore, an ultrasonic welding assembly is also arranged downstream of the rear cover mounting assembly, and the ultrasonic welding assembly is used to ultrasonically weld and fix the front shell, the middle frame, and the rear cover.

[0026] Furthermore, a laser engraving assembly is also arranged downstream of the rear cover mounting assembly, and the laser engraving assembly is used to perform laser engraving on the front shell and / or the rear cover.

[0027] After adopting the above scheme, the beneficial effects of the present invention are as follows: The double-sided tape is automatically pasted on the back of the screen body by the tape pasting component, and then the flexible circuit board is automatically folded and pressed on the back of the screen body by the folding component. The flexible circuit board is adhered by the double-sided tape on the back of the screen body. Then, the screen is placed into the front shell through the front shell installation component, the middle frame is placed on the front shell through the middle frame installation component, the battery is placed into the battery compartment of the middle frame through the electromagnetic installation component, and finally the back cover is placed on the battery compartment through the back cover installation component, thereby completing the entire assembly process of the electronic price tag with a relatively high degree of automation. Description of the Drawings

[0028] Figure 1 It is a top view of the tape pasting component and the folding component;

[0029] Figure 2 It is a three-dimensional view of the tape pasting component;

[0030] Figure 3 It is a three-dimensional view of the first transfer manipulator;

[0031] Figure 4 It is a three-dimensional view of the folding component;

[0032] Figure 5 It is a three-dimensional view of the electrical testing component;

[0033] Figure 6 It is a top view of the front shell installation component and the middle frame installation component;

[0034] Figure 7 It is a three-dimensional view of the first handling manipulator and the second handling manipulator;

[0035] Figure 8 It is a three-dimensional view of the front shell assembly manipulator;

[0036] Figure 9 It is a three-dimensional view of the front shell assembly turntable;

[0037] Figure 10 It is a three-dimensional view of the front shell loading device;

[0038] Figure 11 It is a three-dimensional view of the battery installation component and the back cover installation component;

[0039] Figure 12 It is a three-dimensional view of the second handling manipulator and the third handling manipulator;

[0040] Figure 13 It is a three-dimensional view of the ultrasonic welding component and the laser engraving component;

[0041] Figure 14 It is a three-dimensional structural view of the laser engraving component.

[0042] Label description: 1 - Gluing component, 2 - Folding component, 3 - Front shell installation component, 4 - Middle frame installation component, 5 - Battery installation component, 6 - Rear cover installation component, 7 - Gluing stage, 8 - Gluing mechanism, 9 - Screen, 10 - Screen body, 11 - Flexible circuit board, 12 - Folding stage, 13 - Folding jig, 14 - Flip head, 21 - Gluing mechanism bracket, 22 - Gluing transverse movement drive mechanism, 23 - Gluing unwinding reel, 24 - Gluing rewinding reel, 25 - Gluing roller, 26 - Gluing XXY alignment platform, 27 - Gluing camera, 28 - First transfer manipulator, 30 - Folding XXY alignment platform, 31 - Electrical test component, 32 - Electrical test rotating platform, 33 - Electrical test pressure head, 34 - Electrical test platform, 35 - Front shell assembly turntable, 36 - Front shell assembly manipulator, 37 - Middle frame assembly turntable, 38 - Middle frame assembly manipulator, 39 - Battery assembly turntable, 40 - Battery assembly manipulator, 41 - Rear cover assembly turntable, 42 - Rear cover assembly manipulator, 43 - Positioning groove, 44 - Screen assembly manipulator, 45 - First handling manipulator, 46 - Second handling manipulator, 47 - Third handling manipulator, 48 - Ultrasonic welding component, 49 - Laser engraving component. Detailed implementation mode

[0043] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0044] In the claims, specification and above-mentioned accompanying drawings of the present invention, unless otherwise clearly defined, for orientation terms, such as the use of terms "center", "horizontal", "longitudinal", "level", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise", etc. to indicate the orientation or position relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be understood as limiting the specific protection scope of the present invention.

[0045] The present invention provides an electronic price tag assembly line, as Figure 1-14 shown, including a gluing component 1, a folding component 2, a front shell installation component 3, a middle frame installation component 4, a battery installation component 5 and a rear cover installation component 6 arranged in sequence for assembling an electronic price tag. The electronic price tag is a conventional existing design, including a front shell, a middle frame, a rear cover and a battery. The front shell has an opening in the middle, and the front shell is used to put the screen 9. After being put in, the screen 9 is exposed from the opening of the front shell. The middle frame and the rear cover are assembled to the front shell, and the battery is assembled inside to supply power to the screen 9;

[0046] The tape sticking assembly 1 includes a tape sticking carrier 7 and a tape sticking mechanism 8. The top surface of the tape sticking carrier 7 is used to carry the screen 9. The screen 9 includes a screen body 10 and a flexible circuit board 11 (which is a conventional design in the prior art). On the tape sticking carrier 7, the back surface of the screen body 10 faces upward, and the flexible circuit board 11 is connected to one side of the screen body 10. The tape sticking mechanism 8 is arranged above the tape sticking carrier 7 and is used to stick double-sided tape on the back surface of the screen body 10. Any existing automated structure for automatically sticking double-sided tape can be used, and it is not specifically limited. Preferably, in this embodiment, the tape sticking mechanism 8 includes a tape sticking mechanism bracket 21 and a tape sticking transverse movement driving mechanism 22. A tape sticking unwinding reel 23, a tape sticking winding reel 24, and a tape sticking roller 25 are installed on the tape sticking mechanism bracket 21. A tape is wound around the tape sticking unwinding reel 23. Multiple sections of double-sided tape are attached to one side of the tape. The multiple sections of double-sided tape are arranged in an array along the extending direction of the tape. The tape sticking unwinding reel 23 is used to release the tape by rotation. The tape sticking winding reel 24 is used to wind in the tape released by the tape sticking unwinding reel 23 by rotation. The tape sticking roller 25 is located below the tape sticking unwinding reel 23 and the tape sticking winding reel 24. The tape between the tape sticking unwinding reel 23 and the tape sticking winding reel 24 passes around the lower part of the tape sticking roller 25, and for the tape below the tape sticking roller 25, the side with the double-sided tape attached faces downward. The tape sticking transverse movement driving mechanism 22 is used to drive the displacement of the tape sticking mechanism bracket 21, so that the tape sticking roller 25 can be rolled on the screen body 10 on the top surface of the tape sticking carrier 7, so as to stick the double-sided tape to the back surface of the screen body 10. In order to make the sticking position of the double-sided tape more accurate, more preferably, in this embodiment, the tape sticking carrier 7 is installed on a tape sticking XXY alignment platform 26. The tape sticking XXY alignment platform 26 is used to drive the tape sticking carrier 7 to horizontally displace and horizontally rotate in the front, back, left, and right directions. A tape sticking camera 27 is also arranged above the tape sticking carrier 7. The tape sticking camera 27 is communicatively connected to the tape sticking XXY alignment platform 26 and is used to drive the tape sticking carrier 7 to move and align according to the screen 9 position information collected by it, so as to be able to accurately stick the double-sided tape to a predetermined position. Of course, a corresponding programmable controller must be provided between the XXY alignment platform 26 and the tape sticking camera 27 (the programmable controller is a conventional technical means in the art and will not be elaborated in this embodiment).

[0047] The folding assembly 2 includes a folding stage 12 and a folding jig 13. A first transfer robot 28 is further provided between the tape sticking stage 7 and the folding stage 12. The first transfer robot 28 can suck, release and transfer the screen 9 to suck and release the screen 9 with double-sided tape pasted on the tape sticking stage 7 onto the folding stage 12. The top surface of the folding stage 12 of the folding assembly 2 is used to carry the screen body 10 and make the flexible circuit board 11 extend out of one side of the folding stage 12. The folding jig 13 is electrically rotatably arranged around a horizontally extending rotating shaft, and a rotating head 14 is arranged eccentrically to the rotating shaft. When the folding jig 13 rotates, the rotating head 14 can be turned to the side of the folding stage 12 to support the flexible circuit board 11 extending out of the folding stage 12. When the folding jig 13 rotates, the rotating head 14 can also be turned to the top surface of the folding stage 12 to fold and attach the flexible circuit board 11 supported by the rotating head 14 to the back surface of the screen body 10. Preferably, the rotating head 14 can vacuum adsorb the flexible circuit board 11. The folding stage 12 is installed on a folding XXY alignment platform 30. The folding XXY alignment platform 30 is used to drive the folding stage 12 to horizontally displace and horizontally rotate in the front, back, left and right directions to adjust the relative position between the folding stage 12 and the folding jig 13. Furthermore, through the movement of the folding XXY alignment platform 30, when rotating, the rotating shaft of the folding jig 13 is collinear with the edge position where the flexible circuit board 11 is connected to the screen body 10, so that the pasting of the flexible circuit board 11 is more flat.

[0048] The front shell installation component 3 is used to place the screen 9 with the flexible circuit board 11 folded by the folding component 2 into the front shell; the middle frame installation component 4 is used to place the middle frame on the front shell with the screen 9 placed thereon, and a battery compartment is provided on the side of the middle frame facing away from the front shell; the battery installation component 5 is used to place the battery in the battery compartment; the rear cover installation component 6 is used to place the rear cover on the battery compartment. The above functions can be achieved through the cooperation of any existing conveyor line and multiple manipulators. However, in this embodiment, in order to ensure the assembly efficiency and save the equipment occupied space, the following preferred embodiment is provided. The front shell installation component 3 includes a front shell assembly turntable 35 and a front shell assembly manipulator 36. The middle frame installation component 4 includes a middle frame assembly turntable 37 and a middle frame assembly manipulator 38. The battery installation component 5 includes a battery assembly turntable 39 and a battery assembly manipulator 40. The rear cover installation component 6 includes a rear cover assembly turntable 41 and a rear cover assembly manipulator 42. The front shell assembly turntable 35, the middle frame assembly turntable 37, the battery assembly turntable 39, and the rear cover assembly turntable 41 are arranged in sequence along an assembly path. Specifically, in this embodiment, they are arranged in a straight line. The front shell assembly turntable 35, the middle frame assembly turntable 37, the battery assembly turntable 39, and the rear cover assembly turntable 41 are respectively horizontally rotatable around their respective centers, and positioning grooves 43 are arrayed around their respective rotation axes on the top surface. The number of positioning grooves 43 is not limited. Specifically, in this embodiment, each of the front shell assembly turntable 35, the middle frame assembly turntable 37, the battery assembly turntable 39, and the rear cover assembly turntable 41 is provided with 4 positioning grooves 43. The front shell assembly manipulator 36, the middle frame assembly manipulator 38, the battery assembly manipulator 40, and the rear cover assembly manipulator 42 are arranged on one side of the assembly path. The front shell assembly manipulator 36 is located beside the front shell assembly turntable 35 and is used to place a front shell at a positioning groove 43 when a positioning groove 43 on the front shell assembly turntable 35 rotates past. The middle frame assembly manipulator 38 is located beside the middle frame assembly turntable 37 and is used to place a middle frame at a positioning groove 43 when a positioning groove 43 on the middle frame assembly turntable 37 rotates past. The battery assembly manipulator 40 is located beside the battery assembly turntable 39 and is used to place a battery at a positioning groove 43 when a positioning groove 43 on the battery assembly turntable 39 rotates past. The rear cover assembly manipulator 42 is located beside the rear cover assembly turntable 41 and is used to place a rear cover at a positioning groove 43 when a positioning groove 43 on the rear cover assembly turntable 41 rotates past. A screen assembly manipulator 44 is also provided beside the front shell assembly turntable 35. Along the rotation direction of the front shell assembly turntable 35, the screen assembly manipulator 44 is located downstream of the front shell assembly manipulator 36 and is used to place a screen 9 on a front shell when a front shell on the front shell assembly turntable 35 passes by.A first handling robot 45 is arranged between the front shell assembly turntable 35 and the middle frame assembly turntable 37, a second handling robot 46 is arranged between the middle frame assembly turntable 37 and the battery assembly turntable 39, and a third handling robot 47 is arranged between the battery assembly turntable 39 and the rear cover assembly turntable 41. The first handling robot 45, the second handling robot 46 and the third handling robot 47 are located on the other side of the assembly path. The first handling robot 45 is used to grasp the front shell with a screen on the front shell assembly turntable 35 and place it into the positioning groove 43 of the middle frame assembly turntable 37. The second handling robot 46 is used to grasp the front shell with a middle frame on the middle frame assembly turntable 37 and place it into the positioning groove 43 of the battery assembly turntable 39. The third handling robot 47 is used to grasp the front shell and the middle frame with a battery installed and place them into the positioning groove 43 of the rear cover assembly turntable 41.;

[0049] An ultrasonic welding assembly 48 is further arranged downstream of the rear cover installation assembly 6. The ultrasonic welding assembly 48 is used to ultrasonically weld and fix the front shell, the middle frame and the rear cover.

[0050] A laser engraving assembly 49 is further arranged downstream of the rear cover installation assembly 6. The laser engraving assembly 49 is used to perform laser engraving on the front shell and / or the rear cover.

[0051] Preferably, in this embodiment, an electrical measurement assembly 31 is further arranged between the folding assembly 2 and the front shell installation assembly 3. The electrical measurement assembly 31 includes an electrical measurement rotating platform 32 and an electrical measurement pressure head 33. A plurality of electrical measurement platforms 34 are arranged on opposite sides of the electrical measurement rotating platform 32 respectively. The top surface of each electrical measurement platform 34 can accommodate a screen 9. The number of the electrical measurement pressure heads 33 is the same as the number of the electrical measurement platforms 34 on one side. Each electrical measurement pressure head 33 is located on one side of the electrical measurement rotating platform 32. When the electrical measurement rotating platform 32 rotates, the electrical measurement platforms 34 on both sides can be respectively rotated under each electrical measurement pressure head 33. Each electrical measurement pressure head 33 is used to descend and contact and conduct the flexible circuit board 11 of the screen 9 on the electrical measurement platform 34 to perform a power-on test on the screen 9.

[0052] The above is only the preferred embodiment of the present invention, and it is not a limitation to the design of this case. All equivalent changes made according to the key design of this case fall within the protection scope of this case.

Claims

1. An electronic price label assembly line, characterized by: It comprises a glue sticking assembly (1), a folding assembly (2), a front shell mounting assembly (3), a middle frame mounting assembly (4), a battery mounting assembly (5) and a rear cover mounting assembly (6) which are arranged in sequence; The glue sticking assembly (1) comprises a glue sticking platform (7) and a glue sticking mechanism (8); the top surface of the glue sticking platform (7) is used to carry a screen (9); the screen (9) comprises a screen body (10) and a flexible circuit board (11); on the glue sticking platform (7), the back side of the screen body (10) faces upward; the flexible circuit board (11) is connected to one side of the screen body (10); the glue sticking mechanism (8) is arranged above the glue sticking platform (7) and is used to stick double-sided adhesive on the back side of the screen body (10); The folding assembly (2) comprises a folding platform (12) and a folding fixture (13); the top surface of the folding platform (12) is used to carry the screen body (10) and to make the flexible circuit board (11) extend out of one side of the folding platform (12); the folding fixture (13) is arranged to be turned around a rotating shaft extending laterally, and a turning head (14) is arranged eccentrically to the rotating shaft; the folding fixture (13) is turned so that the turning head (14) can be turned to the side of the folding platform (12) to support the flexible circuit board (11) extending out of the folding platform (12); the turning head (14) can also be turned to the top surface of the folding platform (12) to fold the flexible circuit board (11) supported by the turning head (14) to fit the back of the screen body (10); The front housing installation component (3) is used to place the screen (9) on which the flexible circuit board (11) has been folded by the folding component (2) into the front housing; The middle frame installation assembly (4) is used to place the middle frame on the front shell in which the screen (9) is placed, and the middle frame is provided with a battery compartment on a side facing away from the front shell; The battery installation assembly (5) is used to place the battery in the battery compartment; The rear cover mounting assembly (6) is used to place the rear cover on the battery compartment.

2. An electronic price label assembly line as claimed in claim 1, characterized in that: The glue sticking mechanism (8) comprises a glue sticking mechanism bracket (21) and a glue sticking transverse movement driving mechanism (22); A glue feeding roll (23), a glue collecting roll (24) and a glue roller (25) are installed on the glue mechanism bracket (21). A material strip is wound on the glue feeding roll (23). One side of the material strip is pasted with multiple sections of double-sided adhesive tape. The multiple sections of double-sided adhesive tape are arranged in an array along the extension direction of the material strip. The glue feeding roll (23) is used to release the material strip by rotation. The glue collecting roll (24) is used to roll in the material strip released by the glue feeding roll (23) by rotation. The glue roller (25) is located below the glue feeding roll (23) and the glue collecting roll (24). The material strip between the glue feeding roll (23) and the glue collecting roll (24) is wound under the glue feeding roller (25), and the material strip under the glue feeding roller (25) has the side with the double-sided adhesive tape facing downwards. The glue sticking transverse driving mechanism (22) is used to drive the glue sticking mechanism bracket (21) to move, and can make the glue sticking roller (25) roll on the screen body (10) on the top surface of the glue sticking platform (7) to stick the double-sided adhesive to the back of the screen body (10).

3. The electronic price label assembly line according to claim 1, characterized in that: The glue sticking platform (7) is installed on a glue sticking XXY alignment platform (26), and the glue sticking XXY alignment platform (26) is used to drive the glue sticking platform (7) to move horizontally and rotate. A glue sticking camera (27) is also arranged above the glue sticking platform (7). The glue sticking camera (27) is communicatively connected to the glue sticking XXY alignment platform (26) and is used to drive the glue sticking platform (7) to move and align according to the position information of the screen (9) collected by it.

4. The electronic price label assembly line according to claim 1, characterized in that: It also includes a first transfer robot (28), which can absorb, place and transfer the screen (9) so as to absorb and place the screen (9) on the glue-applying platform (7) onto the folding platform (12).

5. The electronic price label assembly line as claimed in claim 1, characterized in that: The folding platform (12) is mounted on a folding XXY alignment platform (30), and the folding XXY alignment platform (30) is used to drive the folding platform (12) to shift horizontally and rotate, so as to adjust the relative position between the folding platform (12) and the folding fixture (13).

6. The electronic price label assembly line as claimed in claim 1, characterized in that: An electric measuring component (31) is also provided between the folding component (2) and the front shell mounting component (3), and the electric measuring component (31) comprises an electric measuring rotating platform (32) and an electric measuring pressure head (33); A plurality of electric measuring platforms (34) are arranged on opposite sides of the electric measuring rotating platform (32), and a screen (9) can be placed on the top surface of each electric measuring platform (34). The number of electric measuring pressure heads (33) is the same as the number of electric measuring platforms (34) on one side. Each electric measuring pressure head (33) is located on one side of the electric measuring rotating platform (32). The electric measuring rotating platform (32) rotates so that the electric measuring platforms (34) on both sides can be rotated to the bottom of each electric measuring pressure head (33). Each electric measuring pressure head (33) is used to descend to contact the flexible circuit board (11) that is connected to the screen (9) on the electric measuring platform (34) so ​​as to conduct a power-on test on the screen (9).

7. The electronic price label assembly line as claimed in claim 1, characterized in that: The front shell installation component (3) includes a front shell assembly turntable (35) and a front shell assembly robot (36), the middle frame installation component (4) includes a middle frame assembly turntable (37) and a middle frame assembly robot (38), the battery installation component (5) includes a battery assembly turntable (39) and a battery assembly robot (40), and the rear cover installation component (6) includes a rear cover assembly turntable (41) and a rear cover assembly robot (42); The front shell assembly turntable (35), the middle frame assembly turntable (37), the battery assembly turntable (39) and the rear cover assembly turntable (41) are sequentially arranged along an assembly path, are arranged to rotate horizontally around their respective centers, and are provided with positioning grooves (43) on the top surfaces around their respective rotation axis arrays; The front shell assembly robot (36), the middle frame assembly robot (38), the battery assembly robot (40) and the rear cover assembly robot (42) are arranged on one side of the assembly path. The front shell assembly robot (36) is located beside the front shell assembly turntable (35) and is used to place a front shell at the positioning groove (43) when a positioning groove (43) on the front shell assembly turntable (35) rotates. The middle frame assembly robot (38) is located beside the middle frame assembly turntable (37) and is used to place a front shell on the middle frame assembly turntable (37). When a positioning groove (43) of the battery assembly turntable (39) rotates, a middle frame is placed at the positioning groove (43); the battery assembly robot (40) is located beside the battery assembly turntable (39) and is used to place a battery at the positioning groove (43) when a positioning groove (43) on the battery assembly turntable (39) rotates; the rear cover assembly robot (42) is located beside the rear cover assembly turntable (41) and is used to place a rear cover at the positioning groove (43) when a positioning groove (43) on the rear cover assembly turntable (41) rotates; A screen assembly robot (44) is also provided beside the front shell assembly turntable (35). The screen assembly robot (44) is located downstream of the front shell assembly robot (36) along the rotation direction of the front shell assembly turntable (35) and is used to place a screen (9) on a front shell when the front shell on the front shell assembly turntable (35) passes by. A first handling robot (45) is arranged between the front shell assembly turntable (35) and the middle frame assembly turntable (37), a second handling robot (46) is arranged between the middle frame assembly turntable (37) and the battery assembly turntable (39), and a third handling robot (47) is arranged between the battery assembly turntable (39) and the rear cover assembly turntable (41). The first handling robot (45), the second handling robot (46) and the third handling robot (47) are located on the other side of the assembly path. The first handling robot (45) is used to grasp the front shell with the screen installed on the front shell assembly turntable (35) and place it in the positioning groove (43) of the middle frame assembly turntable (37); the second handling robot (46) is used to grasp the front shell with the middle frame installed on the middle frame assembly turntable (37) and place it in the positioning groove (43) of the battery assembly turntable (39); the third handling robot (47) is used to grasp the front shell and the middle frame with the battery installed and place them in the positioning groove (43) of the rear cover assembly turntable (41).

8. The electronic price label assembly line as claimed in claim 1, characterized in that: An ultrasonic welding component (48) is also provided downstream of the rear cover installation component (6), and the ultrasonic welding component (48) is used to fix the front shell, the middle frame and the rear cover by ultrasonic welding.

9. The electronic price label assembly line as claimed in claim 1, characterized in that: A laser engraving component (49) is also provided downstream of the rear cover mounting component (6), and the laser engraving component (49) is used to perform laser engraving on the front shell and / or the rear cover.

Images