Upper and lower cover screwing and assembly support device

Abstract

The application discloses a device for tightening upper and lower covers and assembling an assembly support, and belongs to the field of electronic product assembly. The device comprises a mounting rack which is divided into upper and lower mounting spaces by a partition plate; a screw supply device which is fixed to the upper surface of the partition plate; a workpiece conveying line which is arranged at the side of the mounting rack and on which a first work station and a second work station are movably arranged; a surface turning mechanism which is arranged on the partition plate and used for turning the workpiece on the first work station; a workpiece adsorption part and a workpiece tightening part which are connected with each other and movably arranged on the partition plate by a driving device; and when working, the workpiece tightening part has a first action of fastening the workpiece on the first work station, the workpiece adsorption part has a second action of carrying the workpiece to the surface turning mechanism for turning and transferring to the second work station, and the workpiece tightening part has a third action of fastening the turned workpiece and the assembly support on the second work station.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of electronic product assembly, in particular to an upper and lower cover screwing and assembly support device. BACKGROUND

[0002] In electronic product tool production, various components need to be installed in the lower cover plate in a reasonable order, for example, PCB, small motor and other components are reasonably installed, and finally the upper cover plate is matched and covered on the lower cover plate and is pressed to form a tool. Screws are used to tighten the upper and lower cover plates, so that the entire tool is tightly assembled. The tool is usually used on other equipment, and at this time, the support needs to be fixed. In this way, the tool and the support need to be assembled together through screws for the installation of the tool. In this process, the tool needs to be butt jointed with the support at a certain fixed installation position. In the existing production process, screw tightening needs to rely on manual operation, which not only has low production rate and high labor cost, but also sometimes has the phenomenon of missing screw installation, affecting product quality. In order to solve this problem, technical personnel designs a related assembly device. SUMMARY

[0003] The application aims to provide an upper and lower cover screwing and assembly support device to solve the defects that the existing technology uses manual installation of the upper and lower cover plates and the support, resulting in low production rate and ineffective guarantee of product quality.

[0004] To achieve the above-mentioned purpose, the application is implemented by adopting the following technical scheme: an upper and lower cover screwing and assembly support device, comprising a mounting rack, which is divided into upper and lower mounting spaces by a partition plate;

[0005] A screw supply device is fixed to the upper surface of the partition plate.

[0006] A workpiece conveying line is arranged at the edge of the mounting rack, and a first station and a second station are movably installed on the workpiece conveying line.

[0007] A turnover mechanism is installed on the partition plate for turning over the tool on the first station.

[0008] A workpiece adsorption part and a workpiece screwing part are connected with each other and are movably installed on the partition plate by a driving device.

[0009] The workpiece screwing part has a first action of fastening the tool on the first station, the workpiece adsorption part has a second action of carrying the tool to the turnover mechanism for turnover and transferring to the second station, and the workpiece screwing part has a third action of fastening the tool after turnover and the assembly support on the second station.

[0010] The further scheme of the present application is that the workpiece tightening part comprises an electric screwdriver and a first connecting piece fixedly installed on the driving shaft of the driving device, and a L-shaped mounting plate is slidably installed on the first connecting piece, the electric screwdriver is fixed on the L-shaped mounting plate, and the shank of the electric screwdriver is movably arranged through the L-shaped mounting plate, a stroke cylinder is fixed on the first connecting piece, and the telescopic rod of the stroke cylinder is fixedly connected with a profile block, and the workpiece suction part is fixed with the first connecting piece.

[0011] By adopting the above technical scheme, the electric screwdriver is installed on the driving device through the first connecting piece and the L-shaped mounting plate, and the lifting of the electric screwdriver is controlled by using the stroke cylinder, the driving device drives the electric screwdriver to move back and forth, and the workpiece is screwed and locked by the electric screwdriver, so that the cooperation degree is high, the work efficiency is high, and the workpiece is not damaged.

[0012] The further scheme is that the workpiece suction part comprises a first suction assembly and a second suction assembly, a second connecting piece is fixed on the driving shaft of the driving device, the second connecting piece is fixed with the first connecting piece, the first suction assembly and the second suction assembly are installed in a staggered manner on the side of the second connecting piece away from the driving device, the first suction assembly and the second suction assembly are the same in structure, the first suction assembly comprises a lifting cylinder fixed on the back of the second connecting piece, the end of the telescopic rod of the lifting cylinder is fixed with a third connecting piece, and a plurality of suction pipes are installed on the side of the third connecting piece away from the lifting cylinder.

[0013] By adopting the above technical scheme, the workpiece suction part comprises two assemblies, the surface shapes of the upper and lower cover plates of some workpieces are not the same, and the use of a single suction assembly may cause unstable suction and the risk of workpiece falling during transfer, and the design of multiple suction assemblies can ensure stable transfer of the workpiece.

[0014] The further scheme of the present application is that the first station and the second station are height-adjustable.

[0015] The bottom of the cross beam of the mounting rack is provided with a mounting horizontal plate, at least four limiting plates are mounted on the side of the mounting horizontal plate facing the cross beam in a matrix manner, a first cylinder is fixed on the side of the mounting horizontal plate away from the cross beam, the telescopic rod of the first cylinder movably penetrates through the mounting horizontal plate and is fixedly connected with a driving plate, and the driving plate movably acts on the first station and the second station.

[0016] By adopting the above technical scheme, when the workpiece on the first station and the second station is screwed, the first station and the second station are prevented from moving, the two stations are lifted by the first cylinder, and abut against the limiting plates, so that the accurate positioning of the stations is ensured, the use precision of the device is improved, and the error is reduced.

[0017] Further, the screw supply device is arranged on the partition plate on both sides of the driving device, and the screw supply device is used in the workpiece tightening operation of the device.

[0018] Further, the partition plate is provided with a pressing assembly near one side of the workpiece conveying line; the pressing assembly comprises a second air cylinder fixed to the partition plate, and a Z-shaped plate is arranged on the telescopic rod of the second air cylinder, one end of the Z-shaped plate is fixedly connected to the telescopic rod of the second air cylinder, and two pressing heads are arranged on the other end of the Z-shaped plate.

[0019] By adopting the above technical scheme, the workpiece fixed by the pressing assembly can be effectively fixed after the upper and lower cover plates are combined, the phenomenon of position deviation of the workpiece caused by uneven force during the operation of the electric screwdriver is prevented, the positioning accuracy of the workpiece is ensured, and the rate of defective products is reduced.

[0020] Further, the turnover mechanism comprises a base plate fixed to the partition plate, one end of the base plate is fixed with a third station, the other end of the base plate is fixed with a driving motor through a motor mounting plate, and a pair of clamping jaws is connected to one end of the motor mounting plate penetrating through the output shaft of the driving motor.

[0021] By adopting the above technical scheme, the clamping jaws are controlled by the motor, and the work efficiency is high and the speed is fast, and the stable and efficient turnover of the workpiece is realized by the movable clamping jaws.

[0022] Further, the height of the driving motor is adjustable, a through hole is arranged on the partition plate, a fourth connecting piece is arranged at the bottom of the through hole, the fourth connecting piece is fixedly connected to the base plate, a third air cylinder is fixed to the fourth connecting piece, a fifth connecting piece is fixedly connected to the base plate through the movable telescopic rod of the third air cylinder, and the motor mounting plate is fixed to the fifth connecting piece.

[0023] By adopting the above technical scheme, the motor and the clamping jaws mounted therewith are adjustable, the size of each surface of the workpiece is different, the lifting clamping jaws can provide a wider turnover space for the workpiece, the scratching with other devices of the device is prevented, and the final quality of the product is ensured.

[0024] Further, the workpiece conveying line comprises rotating wheels arranged in parallel on both ends of a beam of a mounting rack, and a belt is connected to the rotating wheels, an installation groove is arranged on the upper surface of the beam, a supporting plate is limitingly arranged in the installation groove, the first station and the second station are arranged between the two beams, and the rotating wheels are driven to rotate by a motor.

[0025] By adopting the above technical scheme, the supporting plate is arranged on the beam, the first station and the second station are moved conveniently, and the work stations are supported only by the belt. However, the belt is elongated under stress for a long time, and the moving effect is affected.

[0026] Further, the mounting rack is provided with a hinged door on one side, so that the device is convenient for isolation and external environment, and convenient for maintenance personnel to repair when the device fails.

[0027] According to the above technical scheme, the application has the following effects:

[0028] When the application is used, the movable first station and the second station are used for transferring the workpiece and the support, and the workpiece tightening part and the workpiece adsorption part are used for driving the equipment to work, so that the fastening of the tooling and the assembly of the reverse side of the tooling and the support are realized. The mechanized production can improve the production efficiency of the product, liberate a large amount of labor, control the operation of the system, prevent the missing of the screw, and improve the product qualification rate.

[0029] The motor and the clamping jaw in the turnover mechanism can be lifted, which meets the turnover operation of most irregular toolings, avoids the failure of turnover, and even avoids the phenomenon of scratching or even damaging the tooling, and improves the adaptability and flexibility of the device as a whole.

[0030] In addition, the workpiece adsorption part is provided with a plurality of adsorption assemblies, which can be used in the case that the front and back structures of the workpiece are different, so as to avoid the drawbacks of workpiece falling or being unable to transfer the workpiece when the same adsorption device is used, increase the stability of the equipment operation, and meet the diversified production of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is a schematic diagram of the overall structure of the embodiment of the application.

[0032] Figure 2 is Figure 1 is a schematic diagram of the structure after removing part of the mounting rack in the embodiment of the application.

[0033] Figure 3 is a schematic diagram of the structure of the tooling mounting part in the embodiment of the application.

[0034] Figure 4 is a schematic diagram of the structure of the lower end lifting body of the tooling mounting part in the embodiment of the application.

[0035] Figure 5 is a schematic diagram of the combined structure of the workpiece adsorption part, the workpiece tightening part and the driving equipment in the embodiment of the application.

[0036] Figure 6 is a schematic diagram of the structure of the pressing assembly in the embodiment of the application.

[0037] Figure 7 is a schematic diagram of the structure of the turnover mechanism in the embodiment of the application.

[0038] Figure 8Is the structure schematic diagram of the bottom surface of the overturning mechanism.

[0039] Figure 9 Is the structure schematic diagram of one end of the workpiece conveying line in the embodiment of the application.

[0040] Figure 10 Is the structure schematic diagram of the product after processing in the embodiment of the application.

[0041] Wherein: 1 installation rack, 101 partition, 102 crossbeam, 2 surface turning mechanism, 3 tool mounting part, 4 workpiece adsorption part, 5 screw supply equipment, 6 workpiece conveying line, 7 compression assembly, 8 driving equipment, 9 workpiece tightening part,

[0042] 21 base plate, 22 third station, 23 clamping jaw, 24 slide rail seat, 25 bearing with seat, 26 driving motor, 27 motor mounting plate, 281 third guide rod, 282 third cylinder, 283 third linear bearing, 284 fixed block, 285 fourth connecting piece, 286 fifth connecting piece,

[0043] 30 lifting body, 31 first station, 3.1 lower cover, 3.2 upper cover, 3.3 assembly support, 33 second station, 34 fixed seat, 301 installation horizontal plate, 302 limit plate, 303 convex plate, 304 No. 1 mounting piece, 305 first linear bearing, 306 first guide rod, 307 driving plate, 308 first cylinder,

[0044] 41 No. 1 adsorption assembly, 42 No. 2 adsorption assembly, 411 lifting cylinder, 412 third connecting piece, 413 adsorption pipe, 43 second connecting piece,

[0045] 61 rotating wheel, 62 support plate, 63 belt, 64 installation groove,

[0046] 71 second cylinder, 72 second linear bearing, 73 third guide rod, 74 pressure head, 75 Z-shaped plate, 76 No. 3 mounting piece,

[0047] 91 electric screwdriver, 92 stroke cylinder, 93 stroke limiter, 94 L-shaped mounting plate, 95 slide rail, 96 profile block, 97 T-shaped piece, 98 support plate, 99 positioning piece, 100 first connecting piece. DETAILED DESCRIPTION

[0048] In order to make the technical means, creative features, purposes and effects realized by the application easy to understand, the application is further described below in combination with specific embodiments.

[0049] It should be noted that in the description of the present application, the terms "front", "back", "left", "right", "up", "down", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and not required to be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "front", "back", "left", "right", "up", "down" used in the description of the present application refer to the directions in the drawings, and the terms "inner", "outer" refer to the directions towards or away from the geometric center of a particular component.

[0050] As shown in Figures 1 to 3 The present application discloses a kind of upper and lower cover tightening and assembly support assembly, including installation rack 1, workpiece suction part 4, screw supply equipment 5, workpiece conveying line 6, tool mounting part 3, workpiece tightening part 9, driving equipment 8;Wherein installation rack 1 is fixed with baffle 101, baffle 101 divides into two installation areas of upper and lower in installation rack 1, screw supply equipment 5 and driving equipment 8 and turnover mechanism 2 are installed on baffle 101, workpiece conveying line 6 is arranged at installation rack 1 side, and with baffle 101, tool mounting part 3 is linearly moved along workpiece conveying line 6, and first station 31 and second station 33 are arranged in tool mounting part 3;Tool mounting part 3 and workpiece tightening part 9 are fixedly connected and installed on the driving shaft of driving equipment 8, wherein controller is installed in the lower end installation area of installation rack 1.

[0051] In the embodiment, screw supply equipment 5 can be selected from existing FUMA full-automatic screw machine FA-560, and driving equipment 8 can be selected from SCARA four-axis robot. Figure 10 .

[0052] When using, tool in the embodiment is lower cover 3.1, upper cover 3.2 combination, workpiece tightening part 9 is moved to first station 31 under the driving of driving equipment 8, and screw tightening operation is carried out on workpiece in this station, workpiece suction part 4 carries tool to turnover mechanism 2 and shifts to second station 33, and workpiece tightening part 9 is moved again to carry out screw tightening operation on tool and assembly support 3.3 after turnover in second station 33. Figure 3 Assembly support 3.3 is not drawn in second station 33, and only lower cover 3.1 is drawn in first station 31

[0053] Continue to observe the drawings Figure 2 And 3 In the embodiment, tool mounting part 3 includes fixed seat 34 placed on workpiece conveying line 6, wherein first station 31 and second station 33 are fixedly installed on the surface of fixed seat 34, considering that product assembly parts are more, a plurality of other part stations are also reserved on fixed seat 34 to meet the production of assembly line.

[0054] Fig. 1 is a schematic view of the device according to the present application. Figure 2 Fig. 2 is a schematic view of the device according to the present application. 4 In the present embodiment, the height of the tool mounting portion 3 is adjustable, which is achieved by the lifting body 30 at the bottom of the tool mounting portion 3. The lifting body 30 comprises a mounting plate 301, a first cylinder 308, and a driving plate 307. The mounting plate 301 is fixed to the bottom surface of the crossbeam 102 of the mounting frame 1, and at least four limiting plates 302 are mounted on the side of the mounting plate 301 facing the crossbeam 102. Each limiting plate 302 has a protruding plate 303 extending from the top end thereof facing one side of the tool mounting portion 3. The first cylinder 308 is fixed to the side of the mounting plate 301 away from the crossbeam 102, and the telescopic rod of the first cylinder 308 has a first mounting member 304 fixed to one end thereof extending through the mounting plate 301. The driving plate 307 is arranged between the tool mounting portion 3 and the mounting plate 301, and the first mounting member 304 is fixedly connected to the driving plate 307 by means of bolts. The driving plate 307 abuts against the fixing seat 34 of the tool mounting portion 3. First guide rods 306 are further fixed to the bottom surface of the driving plate 307, and first linear bearings 305 are correspondingly arranged on the mounting plate 301, with the first guide rods 306 arranged in the first linear bearings 305.

[0055] During operation, the first cylinder 308 is started to drive the driving plate 307 to lift the tool mounting portion 3 until the fixing seat 34 of the tool mounting portion 3 abuts against the protruding plate 303 of the limiting plate 302. At this time, the tool mounting portion 3 is fixed, and the workpiece tightening portion 9 and the workpiece adsorbing portion 4 can be operated.

[0056] Fig. 3 is a schematic view of the device according to the present application. Figure 2 Fig. 4 is a schematic view of the device according to the present application. 6 In the present embodiment, a pressing assembly 7 is further arranged. The pressing assembly 7 comprises a second cylinder 71 fixed to the partition plate 101. The end of the second cylinder 71 is fixed with a third mounting member 76, and the telescopic rod of the second cylinder 71 extends through the third mounting member 76. The end of the telescopic rod of the second cylinder 71 is provided with a Z-shaped plate 75. The horizontal plate at one end of the Z-shaped plate 75 is fixedly connected to the telescopic rod of the second cylinder 71, and two pressing heads 74 are arranged on the horizontal plate at the other end in a spaced manner. Second linear bearings 72 are arranged on both sides of the third mounting member 76, and third guide rods 73 are movably arranged in the second linear bearings 72. One end of the third guide rods 73 is fixedly connected to the Z-shaped plate 75.

[0057] When the workpiece tightening portion 9 and the workpiece adsorbing portion 4 operate on the tool on the tool mounting portion 3, the workpiece may be in a state of uneven stress, and the tool may move at this time. The lowering of the pressing heads 74 can fix the tool, so as to ensure the smooth operation of the workpiece tightening portion 9 and the workpiece adsorbing portion 4.

[0058] Fig. 5 is a schematic view of the device according to the present application. Figure 2 Fig. 6 is a schematic view of the device according to the present application. 5In this embodiment, the specific structure of the workpiece adsorption part 4 and the workpiece tightening part 9 is shown in the figure. The workpiece tightening part 9 includes an electric screwdriver 91 and a first connector 100 fixedly installed on the drive shaft of the drive device 8. An L-shaped mounting plate 94 is slidably installed on the first connector 100. The electric screwdriver 91 is fixed on the L-shaped mounting plate 94, and the handle of the electric screwdriver 91 moves through the L-shaped mounting plate 94. A stroke cylinder 92 is fixed on the first connector 100, and the telescopic rod of the stroke cylinder 92 is fixedly connected to the profile block 96.

[0059] In this embodiment, a profile block 96 is also provided between the first connecting member 100 and the L-shaped mounting plate 94, so that the stroke cylinder 92 and the electric screwdriver 91 are staggered. The extension rod of the stroke cylinder 92 is fixed to the profile block 96. The large surface area of ​​the profile block 96 facilitates the connection of the extension rod of the stroke cylinder 92. A slide rail 95 is fixed on the side of the first connecting member 100 facing the electric screwdriver 91, and a slider is fixed on the side of the profile block 96 facing the electric screwdriver 91. Figure 5 (The middle slider is blocked by the profile block 96), the slider and the slide rail 95 slide together, and at this time the L-shaped mounting plate 94 is indirectly slidably mounted on the first connector 100.

[0060] In addition, T-shaped pieces 97 and two support plates 98 are installed at intervals on the bottom wall of the first connecting member 100 facing the electric screwdriver 91. The handle of the electric screwdriver 91 moves through the through hole at the end of the T-shaped piece 97. The T-shaped piece 97 helps to stabilize the handle of the electric screwdriver 91. The two support plates 98 are arranged in parallel. An arc-shaped positioning piece 99 is fixed vertically downward at the end of the support plate 98 away from the first connecting member 100. The positioning piece 99 helps to position and pick up the screw. In actual production, the end of the handle of the electric screwdriver 91 can be magnetized to facilitate the picking up of the screw. A travel limiter 93 is also installed on the first connecting member 100 to control the movement range of the electric screwdriver 91 (the installation of the limiter is a mature existing technology and will not be described in detail here).

[0061] Continue to observe the appendix Figure 2 and 5 The workpiece adsorption part 4 and the first connecting member 100 are fixed. The workpiece adsorption part 4 includes a first adsorption component 41 and a second adsorption component 42. A second connecting member 43 is fixed on the drive shaft of the drive device 8. The second connecting member 43 and the first connecting member 100 are fixed. In actual manufacturing, a triangular reinforcing rib is welded between the second connecting member 43 and the first connecting member 100. The first adsorption component 41 and the second adsorption component 42 are installed in a staggered manner on the side of the second connecting member 43 away from the drive device 8.

[0062] The first adsorption assembly 41 and the second adsorption assembly 42 are identical in structure. The first adsorption assembly 41 comprises a lifting cylinder 411 fixed to the back of the second connecting piece 43. The telescopic rod end of the lifting cylinder 411 is fixed with a third connecting piece 412. A plurality of adsorption pipes 413 are installed on the back of the third connecting piece 412 away from the lifting cylinder 411. The adsorption pipes 413 in the first adsorption assembly 41 are arranged in positions matching the shape of the upper cover 3.2 in the product. The adsorption pipes 413 in the second adsorption assembly 42 are arranged in positions matching the shape of the lower cover 3.1 in the product. The number of connecting pieces in the workpiece adsorption part 4 and the workpiece tightening part 9 can be adaptively increased during installation to facilitate the smooth installation of the parts in the device. In actual manufacturing, a negative pressure machine can be installed on the second connecting piece 43. The negative pressure machine pipeline connects the adsorption pipes 413 in the two adsorption assemblies.

[0063] In use, the electric screwdriver 91 clamps the screw between two positioning pieces 99 at the screw feeding device 5 through the driving device 8, moves the electric screwdriver 91 to perform screw tightening operation on the workpiece (the lower cover 3.1 and the upper cover 3.2 have been matched, and the upper cover 3.2 faces upward) on the first work station 31, uses the first adsorption assembly 41 to adsorb the workpiece and transfer it to the turnover mechanism 2 for turnover operation, then uses the second adsorption assembly 42 to adsorb the workpiece and transfer it to the second work station 33 in the workpiece installation part 3, and the electric screwdriver 91 takes the screw to fix the assembly support 3.3 and the workpiece on the second work station 33. During screw tightening by the electric screwdriver 91, the workpiece is fixed by the pressing assembly 7.

[0064] Reference is made to the accompanying drawings Figure 2 and 7 In the embodiment, the turnover mechanism 2 comprises a driving motor 26 and a base plate 21 fixed to the partition plate 101. One end of the base plate 21 is fixed with a third work station 22 which is identical in structure to the first work station 31. The other end of the base plate 21 is fixed with a fifth connecting piece 286. The driving motor 26 is fixed to the fifth connecting piece 286 through a motor mounting plate 27. A seat bearing 25 is also installed on the fifth connecting piece 286. The output shaft of the driving motor 26 penetrates through the motor mounting plate 27 and is fixed at one end of the seat bearing 25. A slide rail seat 24 is fixed to the seat bearing 25. Two clamping jaws 23 are slidably installed on the slide rail seat 24 (the clamping jaw mounting structure is known in the art, and thus will not be described in detail here). A double-head cylinder (not shown in the figure) is installed on the slide rail seat 24. The double-head cylinder controls the clamping jaws 23 to close or open. In some designs, the driving motor 26 is connected with a speed reducer to slow down the workpiece turnover speed (which is known in the art and thus will not be described in detail here).

[0065] In use, the first adsorption assembly 41 transfers the workpiece to the third work station 22. The two clamping jaws 23 close to clamp the workpiece. The driving motor 26 drives the workpiece to turn over by 180°. The second adsorption assembly 42 adsorbs the workpiece and transfers it to the assembly support 3.3 of the second work station 33.

[0066] Wherein the driving motor 26 and the clamping jaw 23 in this embodiment are height-adjustable, combined with the drawings Figure 7 And 8 The partition plate 101 is provided with a through hole, and the through hole is provided with a fourth connecting piece 285 fixedly connected with the base plate 21 through a fixing block 284. A third air cylinder 282 is fixed on the fourth connecting piece 285. The third air cylinder 282 is movably connected with a fifth connecting piece 286 through the fourth connecting piece 285 and the through hole. A pair of third linear bearings 283 are arranged on the fourth connecting piece 285, and the third linear bearings 283 are provided with a third limiting rod 281 movably arranged in the third linear bearings 283. The fifth connecting piece 286 is fixedly connected with the third limiting rod 281. The third air cylinder 282 drives the fifth connecting piece 286, the driving motor 26 and the clamping jaw 23 to move up and down.

[0067] Some embodiments optimize the installation rack 1. A hinge door is arranged on one side of the installation rack 1. In this embodiment, two screw supply devices 5 are arranged on the partition plate 101 on both sides of the driving device 8. The screws in one screw supply device 5 are used for fastening the tooling, and the screws in the other screw supply device 5 are used for fixing the assembly support 3.3 and the tooling.

[0068] Specific implementation:

[0069] 1) The front-end process of the device covers the upper cover 3.2 and the rubber ring on the lower cover 3.1 in the first station 31, and then transports the workpiece to the workpiece conveying line 6 of the device along with the flow line, and moves along with the workpiece conveying line 6;

[0070] 2) The driving device 8 drives the electric screwdriver 91 to take the screws from the screw supply device 5. At the same time, the first air cylinder 308 moves the tooling mounting portion 3 upward and abuts against the limiting plate 302. The second air cylinder 71 drives the pressing head 74 to fix the tooling. The electric screwdriver 91 screws the tooling.

[0071] 3) The second air cylinder 71 moves the pressing head 74 upward. The first suction assembly 41 sucks and transfers the tooling to the third station 22 in the turnover mechanism 2. The clamping jaw 23 and the driving motor 26 are turned over by 180°. At this time, the second suction assembly 42 sucks and transfers the tooling to the second station 33, and cooperates with the assembly support 3.3.

[0072] 4) The pressing head 74 is fixed again. The assembly support 3.3 and the tooling are transferred. The electric screwdriver 91 takes the screws and screws the assembly support 3.3 and the tooling, and completes the product production.

[0073] It is apparent that the application can be carried out by other embodiments that will be readily apparent to those skilled in the art and are encompassed within the spirit and scope of the application. Therefore, all alternatives and equivalents are intended to be encompassed within the scope of the application.

Claims

1. A device for tightening upper and lower covers and assembling an assembly bracket, characterized in that, The utility model provides a kind of installation rack (1), which is divided into upper and lower installation spaces by partition (101);Screw supply equipment (5) is fixed on the upper surface of partition (101);Workpiece conveying line (6) is arranged at the side of installation rack (1), and first station (31) and second station (33) are movably installed on the workpiece conveying line (6);Turnover mechanism (2) is installed on the partition (101) for turning over tooling on the first station (31);Workpiece suction part (4) and workpiece tightening part (9) are connected with each other and movably installed on the partition (101) by driving equipment (8);The workpiece tightening part (9) has a first action of fastening tooling on the first station (31), the workpiece suction part (4) has a second action of carrying tooling to the turnover mechanism (2) for turning over and transferring to the second station (33), and the workpiece tightening part (9) has a third action of fastening tooling after turning over and the assembly support in the second station (33);The workpiece suction part (4) comprises a first suction assembly (41) and a second suction assembly (42);The bottom of the crossbeam (102) of the installation rack (1) is provided with a mounting plate (301), and at least four limiting plates (302) are mounted on the side of the crossbeam (102) facing the mounting plate (301); a first air cylinder (308) is fixed to the side of the mounting plate (301) away from the crossbeam (102);The side of the partition (101) close to the workpiece conveying line (6) is also provided with a pressing assembly (7). The workpiece tightening part (9) comprises an electric screwdriver (91) and a first connecting piece (100) fixedly installed on the driving shaft of the driving equipment (8), and an L-shaped mounting plate (94) is slidably installed on the first connecting piece (100); the electric screwdriver (91) is fixed to the L-shaped mounting plate (94), and the handle of the electric screwdriver (91) movably penetrates through the L-shaped mounting plate (94); a stroke air cylinder (92) is fixed to the first connecting piece (100), and the telescopic rod of the stroke air cylinder (92) is fixedly connected to a profile block (96); the workpiece suction part (4) and the first connecting piece (100) are fixed. The driving shaft of the driving equipment (8) is fixedly provided with a second connecting piece (43), the second connecting piece (43) and the first connecting piece (100) are fixed, and the first suction assembly (41) and the second suction assembly (42) are oppositely installed on the side of the second connecting piece (43) away from the driving equipment (8). The first suction assembly (41) and the second suction assembly (42) are identical in structure, and the first suction assembly (41) comprises a lifting air cylinder (411) fixed to the back of the second connecting piece (43), the telescopic rod of the lifting air cylinder (411) is fixedly provided with a third connecting piece (412), and a plurality of suction pipes (413) are installed on the side of the third connecting piece (412) away from the lifting air cylinder (411). The first station (31) and the second station (33) are height-adjustable. ​ ​ ​ ​ ​ 2. The upper and lower cover tightening and assembly support device according to claim 1, characterized in that, ​ 3. The upper and lower cover tightening and assembly support device according to claim 2, wherein ​ ​ 4. The upper and lower cover tightening and assembly support device according to claim 1, wherein ​ The first cylinder (308) is movably arranged through the mounting plate (301) and is fixedly connected with a driving plate (307), the driving plate (307) is movably arranged at the first work station (31) and the second work station (33).

5. The upper and lower cover tightening and assembly support device according to claim 1, wherein The screw feeding device (5) is two, and is arranged on the partition plate (101) on both sides of the driving device (8).

6. The upper and lower cover tightening and assembly support device according to claim 1, wherein The pressing assembly (7) comprises a second cylinder (71) fixed on the partition plate (101), and a Z-shaped plate (75) is arranged on the telescopic rod of the second cylinder (71), one end of the Z-shaped plate (75) is fixedly connected with the telescopic rod of the second cylinder (71), and the other end of the Z-shaped plate (75) is fixedly connected with the other end of the Z-shaped plate (75).

7. The upper and lower cover tightening and assembly support device according to claim 1, wherein The turnover mechanism (2) comprises a base plate (21) fixed on the partition plate (101), one end of the base plate (21) is fixedly connected with the third work station (22), the other end of the base plate (21) is fixedly connected with the driving motor (26) through the motor mounting plate (27), and the output shaft of the driving motor (26) is connected with a pair of clamping jaws (23) through one end of the motor mounting plate (27).

8. The upper and lower cover tightening and assembly support device according to claim 7, wherein The height of the driving motor (26) is adjustable, the partition plate (101) is provided with a through hole, and the bottom of the through hole is provided with a fourth connecting piece (285), the fourth connecting piece (285) is fixedly connected with the base plate (21), a third cylinder (282) is fixedly connected with the fourth connecting piece (285), the telescopic rod of the third cylinder (282) is movably arranged through the fourth connecting piece (285), and the base plate (21) is fixedly connected with a fifth connecting piece (286), and the motor mounting plate (27) is fixed on the fifth connecting piece (286).

9. The upper and lower cover tightening and assembly support device according to claim 1, wherein The workpiece conveying line (6) comprises a rotating wheel (61) arranged in parallel on the two ends of the beam (102) of the mounting rack (1), and a belt (63) connected with the rotating wheel (61), the upper surface of the beam (102) is provided with a mounting groove (64), the supporting plate (62) is limitingly arranged in the mounting groove (64), the first work station (31) and the second work station (33) are arranged between the two beams (102), and the rotating wheel (61) is driven to rotate by a motor.

10. The upper and lower cover tightening and assembly support device according to any one of claims 1 to 9, characterized in that, A hinged door is arranged on one side of the mounting rack (1).

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