Circuit board assembling device

Abstract

The utility model relates to the field of sensor production equipment, in particular to a circuit board assembling device, which comprises a workbench, a first stock supporting plate, a second stock supporting plate arranged on one side of the first stock supporting plate, and a material moving mechanism for taking and placing a circuit board workpiece from the first stock supporting plate onto the second stock supporting plate, the first material bearing plate and the second material bearing plate are placed on the upper side of the workbench, the third magnetic strip is magnetically connected with the first magnetic strip, and the fourth magnetic strip is magnetically connected with the second magnetic strip, so that the mounting convenience of the first material bearing plate and the second material bearing plate is improved, the production efficiency is improved, the first material bearing plate and the second material bearing plate are mounted more stably, and the service life of the first material bearing plate and the second material bearing plate is prolonged. And meanwhile, two first grooves in the rear side of the first material bearing plate are clamped to the outer sides of two first protruding blocks correspondingly, two second grooves in the rear side of the second material bearing plate are clamped to the outer sides of two second protruding blocks correspondingly, the positioning accuracy is improved, and then the assembling accuracy and the yield are improved.

Description

Technical Field

[0001] The utility model relates to the field of sensor production equipment, in particular to a circuit board assembly device. Background Art

[0002] The inside of an electronic cigarette is usually equipped with an airflow sensor, which includes a shell, a circuit board workpiece, an electrode plate, a diaphragm, an insulating film, an insulating ring and other components. During the production process, the diaphragm, insulating film, insulating ring and electrode plate need to be assembled into the shell from the opening at the top of the shell in sequence, and finally the circuit board workpiece is assembled to the top of the shell.

[0003] At present, after the electrode plate is assembled into the shell, it is necessary to collect the semi-finished workpieces, and after collection, they are neatly arranged on the second receiving plate, and the circuit board workpieces are evenly arranged on the first receiving plate, and then the first receiving plate and the second receiving plate are installed under the material shifting mechanism, and finally the circuit board workpieces on the first receiving plate are assembled one by one on the top of the semi-finished workpieces on the second receiving plate through the material shifting mechanism. However, this method has low assembly efficiency, and the first receiving plate and the second receiving plate are difficult to install and disassemble under the material shifting mechanism, which reduces production efficiency, and the first receiving plate and the second receiving plate are not stably installed, which is easy to cause displacement, reduce positioning accuracy, and then reduce assembly accuracy, resulting in low yield rate. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide a circuit board assembly device with high production efficiency, improved assembly accuracy and improved yield rate.

[0005] The technical solution adopted by the utility model is:

[0006] A circuit board assembly device comprises a workbench, a first material receiving plate, a second material receiving plate arranged on one side of the first material receiving plate, and a material moving mechanism for taking and placing the circuit board workpiece from the first material receiving plate to the second material receiving plate, the first material receiving plate and the second material receiving plate are both arranged on the upper side of the workbench, the top of the rear side of the workbench is connected to a limit strip, the front side of the limit strip is provided with a first magnetic strip and a second magnetic strip, two first protrusions are symmetrically provided on both sides of the first magnetic strip, two second protrusions are symmetrically provided on both sides of the second magnetic strip, the rear side of the first material receiving plate is provided with two first grooves respectively clamped on the outside of the two first protrusions, a third magnetic strip magnetically connected to the first magnetic strip is provided between the two first grooves, the rear side of the second material receiving plate is provided with two second grooves respectively clamped on the outside of the two second protrusions, a fourth magnetic strip magnetically connected to the second magnetic strip is provided between the two second grooves, and the front sides of the first material receiving plate and the second material receiving plate both protrude from the front side of the workbench.

[0007] Preferably, two first mounting grooves are provided on the front side of the limit strip, the first magnetic strip and the second magnetic strip are respectively embedded in the two first mounting grooves, the second mounting groove is provided on the rear side of the first material receiving plate, the third magnetic strip is embedded in the second mounting groove, the third mounting groove is provided on the rear side of the second material receiving plate, the fourth magnetic strip is embedded in the third mounting groove, and the rear side of the first material receiving plate and the rear side of the second material receiving plate are respectively abutted against the front side of the limit strip.

[0008] Preferably, a first magnetic sheet and a second magnetic sheet are provided on the upper side of the workbench, a third magnetic sheet magnetically connected to the first magnetic sheet is provided on the lower side of the first receiving plate, and a fourth magnetic sheet magnetically connected to the second magnetic sheet is provided on the lower side of the second receiving plate.

[0009] Preferably, two fourth mounting grooves are provided on the upper side of the workbench, the first magnetic sheet and the second magnetic sheet are respectively embedded in the two fourth mounting grooves, a fifth mounting groove is provided on the lower side of the first material receiving plate, the third magnetic sheet is embedded in the fifth mounting groove, a sixth mounting groove is provided on the lower side of the second material receiving plate, the fourth magnetic sheet is embedded in the sixth mounting groove, and the lower side of the first material receiving plate and the lower side of the second material receiving plate are respectively abutted against the upper side of the workbench.

[0010] Preferably, the material transfer mechanism includes an air suction pipe and a moving block. The moving block is provided with a cavity inside, and a suction head connected to the cavity is provided at the bottom thereof. A number of suction heads are evenly arranged, and the air suction pipe is connected to the cavity. The top of the moving block is connected to a lifting cylinder for driving it to rise and fall, and the lifting cylinder is connected to a translation component for driving it to translate.

[0011] Preferably, the translation assembly includes a frame, a motor and a translation frame, the output end of the motor is connected to a screw, the screw is threadedly connected to a nut, the nut is connected to the translation frame, the translation frame is connected to a lifting cylinder, the translation frame is connected to a first slider, the first slider is slidably connected to a first slide rail, and the first slide rail is fixed to the frame.

[0012] Preferably, a plurality of step holes are evenly arranged on the top of the first material receiving plate, a feed port is provided on the top of the second material receiving plate, and a plurality of material guide grooves are connected to one side of the feed port.

[0013] Preferably, a pushing piece is provided on the side of the second material receiving plate away from the first material receiving plate, and a translation cylinder for driving the pushing piece to translate is connected to the side of the pushing piece away from the second material receiving plate, and a plurality of protrusions respectively arranged corresponding to a plurality of material guide grooves are connected to the other side of the pushing piece.

[0014] Preferably, an arc groove is provided on one side of the projection close to the guide groove.

[0015] Preferably, the output end of the translation cylinder is connected to a fixed seat, the side of the push piece away from the second material receiving plate is connected to the fixed seat, the bottom of the fixed seat is connected to a second slider, and the second slider is slidably connected to a second slide rail.

[0016] The beneficial effects of the utility model are:

[0017] The circuit board assembly device places the first material receiving plate and the second material receiving plate on the upper side of the workbench, so that the third magnetic strip is magnetically connected to the first magnetic strip, and the fourth magnetic strip is magnetically connected to the second magnetic strip, thereby improving the installation convenience of the first material receiving plate and the second material receiving plate, improving production efficiency, and making the first material receiving plate and the second material receiving plate more securely installed. At the same time, the two first grooves on the rear side of the first material receiving plate are respectively clamped to the outside of the two first protrusions, and the two second grooves on the rear side of the second material receiving plate are respectively clamped to the outside of the two second protrusions, thereby improving positioning accuracy, and further improving assembly accuracy and yield rate. The front sides of the first material receiving plate and the second material receiving plate both protrude from the front side of the workbench, thereby facilitating the disassembly of the first material receiving plate and the second material receiving plate by holding the protruding parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a first stereoscopic schematic diagram of the utility model.

[0019] Figure 2 It is a second stereoscopic schematic diagram of the utility model.

[0020] Figure 3 for Figure 2 A magnified schematic diagram of center A.

[0021] Figure 4 It is a third stereoscopic schematic diagram of the utility model.

[0022] Figure 5 This is the first exploded schematic diagram of a partial structure of the utility model.

[0023] Figure 6 for Figure 5 A magnified schematic diagram of point B in the middle.

[0024] Figure 7 This is a second exploded schematic diagram of a partial structure of the utility model.

[0025] Figure 8 This is the third exploded schematic diagram of a partial structure of the utility model.

[0026] In the figure: 1. workbench; 2. first material receiving plate; 3. second material receiving plate; 4. material moving mechanism; 5. limit strip; 6. first magnetic strip; 7. second magnetic strip; 8. first convex block; 9. second convex block; 10. first groove; 11. third magnetic strip; 12. second groove; 13. fourth magnetic strip; 14. first mounting groove; 15. second mounting groove; 16. third mounting groove; 17. first magnetic sheet; 18. second magnetic sheet; 19. third magnetic sheet; 20. fourth magnetic sheet; 21. fourth mounting groove; 22. The fifth mounting slot; 23. The sixth mounting slot; 24. The suction pipe; 25. The moving block; 26. The suction head; 27. The lifting cylinder; 28. The translation assembly; 29. ​​The frame; 30. The motor; 31. The translation frame; 32. The screw rod; 33. The nut; 34. The first slider; 35. The first slide rail; 36. The step hole; 37. The feed port; 38. The guide trough; 39. The push piece; 40. The translation cylinder; 41. The protrusion; 42. The arc groove; 43. The fixed seat; 44. The second slider; 45. The second slide rail. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-Figure 8 The utility model provides a technical solution: a circuit board assembly device, comprising a workbench 1, a first material receiving plate 2, a second material receiving plate 3 arranged on one side of the first material receiving plate 2, and a material transfer mechanism 4 for taking and placing a circuit board workpiece from the first material receiving plate 2 to the second material receiving plate 3, the first material receiving plate 2 and the second material receiving plate 3 are both arranged on the upper side of the workbench 1, a limit strip 5 is connected to the top of the rear side of the workbench 1, a first magnetic strip 6 and a second magnetic strip 7 are arranged on the front side of the limit strip 5, two first protrusions 8 are symmetrically arranged on both sides of the first magnetic strip 6, and the second magnetic strip 7 is symmetrically arranged on both sides of the first magnetic strip 6. Two second protrusions 9 are symmetrically provided on both sides of the first material receiving plate 2, two first grooves 10 are respectively clamped on the outside of the two first protrusions 8, a third magnetic strip 11 is provided between the two first grooves 10 and connected to the first magnetic strip 6 by magnetic means, and two second grooves 12 are respectively clamped on the outside of the two second protrusions 9 on the rear side of the second material receiving plate 3, a fourth magnetic strip 13 is provided between the two second grooves 12 and connected to the second magnetic strip 7 by magnetic means, and the front sides of the first material receiving plate 2 and the second material receiving plate 3 both protrude from the front side of the workbench 1;

[0029] By placing the first material receiving plate 2 and the second material receiving plate 3 on the upper side of the workbench 1, the third magnetic strip 11 is magnetically connected to the first magnetic strip 6, and the fourth magnetic strip 13 is magnetically connected to the second magnetic strip 7, thereby forming an installation and fixation for the first material receiving plate 2 and the second material receiving plate 3, improving the installation convenience of the first material receiving plate 2 and the second material receiving plate 3, improving production efficiency, and making the first material receiving plate 2 and the second material receiving plate 3 more firmly installed. At the same time, the two first grooves 10 on the rear side of the first material receiving plate 2 are respectively clamped to the outside of the two first protrusions 8, and the two second grooves 12 on the rear side of the second material receiving plate 3 are respectively clamped to the outside of the two second protrusions 8, thereby improving positioning accuracy, thereby improving assembly accuracy and improving yield rate. The front sides of the first material receiving plate 2 and the second material receiving plate 3 both protrude from the front side of the workbench 1, thereby facilitating the disassembly of the first material receiving plate 2 and the second material receiving plate 3 by holding the protruding parts.

[0030] In order to facilitate improving the installation stability of the first material receiving plate 2 and the second material receiving plate 3, in the present embodiment, preferably, the front side of the limit strip 5 is provided with two first installation grooves 14, the first magnetic strip 6 and the second magnetic strip 7 are respectively embedded in the two first installation grooves 14, the rear side of the first material receiving plate 2 is provided with a second installation groove 15, the third magnetic strip 11 is embedded in the second installation groove 15, the rear side of the second material receiving plate 3 is provided with a third installation groove 16, the fourth magnetic strip 13 is embedded in the third installation groove 16, and the rear side of the first material receiving plate 2 and the rear side of the second material receiving plate 3 are respectively abutted against the front side of the limit strip 5;

[0031] The purpose is to embed the first magnetic stripe 6 and the second magnetic stripe 7 in the two first mounting grooves 14 respectively, embed the third magnetic stripe 11 in the second mounting groove 15, and embed the fourth magnetic stripe 13 in the third mounting groove 16, so that the third magnetic stripe 11 and the first magnetic stripe 6 are magnetically connected and the fourth magnetic stripe 13 and the second magnetic stripe 7 are magnetically connected, while the rear side of the first material receiving plate 2 and the rear side of the second material receiving plate 3 are respectively abutted against the front side of the limiting strip 5, thereby improving the structural compactness and thus improving the installation stability of the first material receiving plate 2 and the second material receiving plate 3.

[0032] In order to improve the installation stability of the first material receiving plate 2 and the second material receiving plate 3, in this embodiment, preferably, the upper side of the workbench 1 is provided with a first magnetic sheet 17 and a second magnetic sheet 18, the lower side of the first material receiving plate 2 is provided with a third magnetic sheet 19 connected to the first magnetic sheet 17 by magnetic means, and the lower side of the second material receiving plate 3 is provided with a fourth magnetic sheet 20 connected to the second magnetic sheet 18 by magnetic means;

[0033] The purpose is to improve the installation stability of the first material receiving plate 2 by making the third magnetic sheet 19 and the first magnetic sheet 17 magnetically attracted to each other, and to improve the installation stability of the second material receiving plate 3 by making the fourth magnetic sheet 20 and the second magnetic sheet 18 magnetically attracted to each other.

[0034] In order to facilitate further improving the installation stability of the first material receiving plate 2 and the second material receiving plate 3, in the present embodiment, preferably, two fourth mounting grooves 21 are provided on the upper side of the workbench 1, the first magnetic sheet 17 and the second magnetic sheet 18 are respectively embedded in the two fourth mounting grooves 21, the lower side of the first material receiving plate 2 is provided with a fifth mounting groove 22, the third magnetic sheet 19 is embedded in the fifth mounting groove 22, the lower side of the second material receiving plate 3 is provided with a sixth mounting groove 23, the fourth magnetic sheet 20 is embedded in the sixth mounting groove 23, and the lower side of the first material receiving plate 2 and the lower side of the second material receiving plate 3 are respectively abutted against the upper side of the workbench 1;

[0035] The purpose is to embed the first magnetic sheet 17 and the second magnetic sheet 18 in the two fourth mounting grooves 21 respectively, embed the third magnetic sheet 19 in the fifth mounting groove 22, and embed the fourth magnetic sheet 20 in the sixth mounting groove 23, so that while the third magnetic sheet 19 is magnetically attracted to the first magnetic sheet 17 and the fourth magnetic sheet 20 is magnetically attracted to the second magnetic sheet 18, the lower side of the first material receiving plate 2 and the lower side of the second material receiving plate 3 are respectively abutted against the upper side of the workbench 1, thereby improving the structural compactness and thereby improving the installation stability of the first material receiving plate 2 and the second material receiving plate 3.

[0036] In order to facilitate the placement of the circuit board workpiece from the first receiving plate 2 to the second receiving plate 3, in this embodiment, preferably, the material moving mechanism 4 includes an air suction pipe 24 and a moving block 25, the moving block 25 is provided with a cavity inside, and a suction head 26 connected to the cavity is provided at the bottom thereof, and a plurality of suction heads 26 are evenly arranged, the air suction pipe 24 is connected to the cavity, and the top of the moving block 25 is connected to a lifting cylinder 27 for driving it to lift, and the lifting cylinder 27 is connected to a translation assembly 28 for driving it to translate;

[0037] The purpose is that the vacuum pump sucks air into the cavity (not shown in the figure) through the suction pipe 24, so that the suction head 26 connected to the cavity forms a negative pressure, and then the circuit board workpiece is sucked on the first material receiving plate 2 by the suction head 26, and the circuit board workpieces in a row on the first material receiving plate 2 are sucked by several suction heads 26. After suction, the moving block 25 is driven to rise by the lifting cylinder 27, and then the lifting cylinder 27 is driven to translate by the translation assembly 28, so that the circuit board workpiece is moved to the top of the second material receiving plate 3, and then the moving block 25 is driven to descend by the lifting cylinder 27, and then the circuit board workpiece is assembled to the top of the semi-finished workpiece.

[0038] In order to facilitate the translation of the circuit board workpiece, in this embodiment, preferably, the translation assembly 28 includes a frame 29, a motor 30 and a translation frame 31, the output end of the motor 30 is connected to a screw 32, the screw 32 is threadedly connected to a nut 33, the nut 33 is connected to the translation frame 31, the translation frame 31 is connected to the lifting cylinder 27, the translation frame 31 is connected to a first slider 34, the first slider 34 is slidably connected to a first slide rail 35, and the first slide rail 35 is fixed on the frame 29;

[0039] The purpose is that the motor 30 drives the screw 32 to rotate, drives the translation frame 31 to translate through the nut 33, and then drives the circuit board workpiece to translate, and the first slider 34 connected to the translation frame 31 slides along the first slide rail 35 to improve the stability of the movement of the translation frame 31.

[0040] In order to facilitate the positioning of the circuit board workpiece and the semi-finished workpiece, in this embodiment, preferably, a plurality of step holes 36 are evenly arranged on the top of the first receiving plate 2, a feed port 37 is provided on the top of the second receiving plate 3, and a plurality of guide grooves 38 are provided on one side of the feed port 37;

[0041] The purpose is that each step hole 36 includes a large hole and a small hole connected to the bottom of the large hole. The bottom of the circuit board workpiece is connected with a pin, so that the pin is placed in the small hole, and the circuit board workpiece is embedded in the large hole to form a positioning. The semi-finished workpiece enters the second material receiving plate 3 from the feed port 37 for collection, and the semi-finished workpiece is sequentially covered with a plurality of guide grooves 38, which is convenient for positioning the semi-finished workpiece.

[0042] In order to ensure accurate positioning of the semi-finished workpiece and prevent the semi-finished workpiece from shifting, in this embodiment, preferably, a push piece 39 is provided on the side of the second material receiving plate 3 away from the first material receiving plate 2, and a translation cylinder 40 for driving the push piece 39 to translate is connected to the side of the push piece 39 away from the second material receiving plate 3, and a plurality of protrusions 41 respectively arranged corresponding to the plurality of material guide grooves 38 are connected to the other side thereof;

[0043] The purpose is to drive the push piece 39 to translate by the translation cylinder 40, drive the protrusion 41 to translate, and then press the semi-finished workpiece at the outermost end of the guide groove 38 by the protrusion 41, ensure that the semi-finished workpiece is compactly arranged in the guide groove 38, prevent gaps between two adjacent semi-finished workpieces, and thus improve the positioning accuracy of the semi-finished workpiece.

[0044] In order to prevent damage to the semi-finished workpiece, in this embodiment, preferably, an arc groove 42 is provided on one side of the protrusion 41 close to the guide groove;

[0045] The purpose is to match the arc groove 42 with the outer side surface of the semi-finished workpiece, improve the contact surface, make the pressing force more uniform, and prevent damage to the semi-finished workpiece.

[0046] In order to improve the accuracy and stability of the movement of the push piece 39, in this embodiment, preferably, the output end of the translation cylinder 40 is connected to a fixed seat 43, the side of the push piece 39 away from the second material receiving plate 3 is connected to the fixed seat 43, the bottom of the fixed seat 43 is connected to a second slider 44, and the second slider 44 is slidably connected to a second slide rail 45;

[0047] The purpose is to improve the movement stability of the fixed seat 43 and the push piece 39 and improve the movement stroke accuracy by sliding the second sliding block 44 connected to the fixed seat 43 along the second slide rail 45.

[0048] The working principle and use process of the utility model are as follows: the step hole 36 of the first material receiving plate 2 is filled with circuit board workpieces, the guide groove 38 of the second material receiving plate 3 is filled with semi-finished workpieces, and then the first material receiving plate 2 and the second material receiving plate 3 are placed on the upper side of the workbench 1, so that the third magnetic strip 11 is connected to the first magnetic strip 6 by magnetic connection, and the fourth magnetic strip 13 is connected to the second magnetic strip 7 by magnetic connection, thereby forming the installation and fixation of the first material receiving plate 2 and the second material receiving plate 3, improving the installation convenience of the first material receiving plate 2 and the second material receiving plate 3, and improving the production efficiency. The first material receiving plate 2 and the second material receiving plate 3 are installed more stably, and at the same time, the two first grooves 10 on the rear side of the first material receiving plate 2 are respectively clamped on the outer sides of the two first protrusions 8, and the two second grooves 12 on the rear side of the second material receiving plate 3 are respectively clamped on the outer sides of the two second protrusions 8, so as to improve the positioning accuracy, and the third magnetic sheet 19 and the first magnetic sheet 17 are magnetically attracted to each other, so as to further improve the installation stability of the first material receiving plate 2, and the fourth magnetic sheet 20 and the second magnetic sheet 18 are magnetically attracted to each other, so as to further improve the installation stability of the second material receiving plate 3;

[0049] The push piece 39 is driven to translate by the translation cylinder 40, which drives the protrusion 41 to translate, and then the semi-finished workpiece at the outermost end of the guide groove 38 is pressed by the protrusion 41, so as to ensure that the semi-finished workpiece is compactly arranged in the guide groove 38, and prevent gaps between two adjacent semi-finished workpieces, thereby improving the positioning accuracy of the semi-finished workpiece;

[0050] The vacuum pump sucks air into the cavity (not shown in the figure) through the suction pipe 24, so that the suction head 26 connected to the cavity forms a negative pressure, and then the circuit board workpiece is sucked on the first material receiving plate 2 by the suction head 26, and the circuit board workpieces in a row on the first material receiving plate 2 are sucked by a plurality of suction heads 26. After the suction, the moving block 25 is driven to rise by the lifting cylinder 27, and then the motor 30 drives the screw rod 32 to rotate, and the nut 33 drives the translation frame 31 to translate, and then the lifting cylinder 27 drives the circuit board workpiece to translate, so that the circuit board workpiece is moved to the top of the second material receiving plate 3, and then the lifting cylinder 27 drives the moving block 25 to descend, and then the circuit board workpiece is assembled to the top of the semi-finished workpiece;

[0051] The front sides of the first material receiving plate 2 and the second material receiving plate 3 both protrude from the front side of the workbench 1 , and finally the first material receiving plate 2 and the second material receiving plate 3 are disassembled by holding the protruding parts.

[0052] Finally, it should be noted that the above description is only a preferred example of the present utility model and is not intended to limit the present utility model. Although the present utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A circuit board assembly device, comprising a workbench (1), a first receiving plate (2), a second receiving plate (3) arranged on one side of the first receiving plate (2), and a material transfer mechanism (4) for taking and placing a circuit board workpiece from the first receiving plate (2) to the second receiving plate (3), wherein the first receiving plate (2) and the second receiving plate (3) are both arranged on the upper side of the workbench (1), characterized in that: The top of the rear side of the workbench (1) is connected to a limit strip (5), and the front side of the limit strip (5) is provided with a first magnetic strip (6) and a second magnetic strip (7), and two first protrusions (8) are symmetrically provided on both sides of the first magnetic strip (6), and two second protrusions (9) are symmetrically provided on both sides of the second magnetic strip (7), and the rear side of the first material receiving plate (2) is provided with two first grooves (10) respectively clamped on the outside of the two first protrusions (8), and a third magnetic strip (11) connected to the first magnetic strip (6) by magnetic means is provided between the two first grooves (10), and the rear side of the second material receiving plate (3) is provided with two second grooves (12) respectively clamped on the outside of the two second protrusions (9), and a fourth magnetic strip (13) connected to the second magnetic strip (7) by magnetic means is provided between the two second grooves (12), and the front sides of the first material receiving plate (2) and the second material receiving plate (3) both protrude from the front side of the workbench (1).

2. The circuit board assembly device according to claim 1, characterized in that: The front side of the limit strip (5) is provided with two first mounting grooves (14), the first magnetic strip (6) and the second magnetic strip (7) are respectively embedded in the two first mounting grooves (14), the rear side of the first material receiving plate (2) is provided with a second mounting groove (15), the third magnetic strip (11) is embedded in the second mounting groove (15), the rear side of the second material receiving plate (3) is provided with a third mounting groove (16), the fourth magnetic strip (13) is embedded in the third mounting groove (16), and the rear side of the first material receiving plate (2) and the rear side of the second material receiving plate (3) are respectively abutted against the front side of the limit strip (5).

3. The circuit board assembly device according to claim 1, characterized in that: A first magnetic sheet (17) and a second magnetic sheet (18) are provided on the upper side of the workbench (1); a third magnetic sheet (19) connected to the first magnetic sheet (17) by magnetic means is provided on the lower side of the first material receiving plate (2); and a fourth magnetic sheet (20) connected to the second magnetic sheet (18) by magnetic means is provided on the lower side of the second material receiving plate (3).

4. The circuit board assembly device according to claim 3, characterized in that: The upper side of the workbench (1) is provided with two fourth mounting grooves (21), the first magnetic sheet (17) and the second magnetic sheet (18) are respectively embedded in the two fourth mounting grooves (21), the lower side of the first material receiving plate (2) is provided with a fifth mounting groove (22), the third magnetic sheet (19) is embedded in the fifth mounting groove (22), the lower side of the second material receiving plate (3) is provided with a sixth mounting groove (23), the fourth magnetic sheet (20) is embedded in the sixth mounting groove (23), and the lower side of the first material receiving plate (2) and the lower side of the second material receiving plate (3) are respectively abutted against the upper side of the workbench (1).

5. The circuit board assembly device according to claim 1, characterized in that: The material transfer mechanism (4) comprises an air suction pipe (24) and a moving block (25). A cavity is provided inside the moving block (25), and a suction head (26) is provided at the bottom thereof and is connected to the cavity. A plurality of suction heads (26) are evenly arranged. The air suction pipe (24) is connected to the cavity. A lifting cylinder (27) is connected to the top of the moving block (25) for driving it to move up and down, and the lifting cylinder (27) is connected to a translation assembly (28) for driving it to move in translation.

6. The circuit board assembly device according to claim 5, characterized in that: The translation assembly (28) comprises a frame (29), a motor (30) and a translation frame (31); an output end of the motor (30) is connected to a screw rod (32); the screw rod (32) is threadedly connected to a nut (33); the nut (33) is connected to the translation frame (31); the translation frame (31) is connected to a lifting cylinder (27); the translation frame (31) is connected to a first slider (34); the first slider (34) is slidably connected to a first slide rail (35); the first slide rail (35) is fixed to the frame (29).

7. The circuit board assembly device according to claim 1, characterized in that: A plurality of stepped holes (36) are evenly arranged on the top of the first material receiving plate (2), a feed port (37) is provided on the top of the second material receiving plate (3), and a plurality of material guide grooves (38) are connected to one side of the feed port (37).

8. The circuit board assembly device according to claim 7, characterized in that: A pushing piece (39) is provided on the side of the second material receiving plate (3) away from the first material receiving plate (2); the side of the pushing piece (39) away from the second material receiving plate (3) is connected to a translation cylinder (40) for driving it to translate, and the other side is connected to a plurality of protrusions (41) respectively arranged corresponding to a plurality of material guide grooves (38).

9. The circuit board assembly device according to claim 8, characterized in that: An arc-shaped groove (42) is provided on one side of the protrusion (41) close to the guide groove.

10. The circuit board assembly device according to claim 8, characterized in that: The output end of the translation cylinder (40) is connected to a fixed seat (43), the side of the push piece (39) away from the second material receiving plate (3) is connected to the fixed seat (43), the bottom of the fixed seat (43) is connected to a second sliding block (44), and the second sliding block (44) is slidably connected to a second slide rail (45).

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