A PCB internal pressing process section equipment and its material taking workbench
By designing automated PCB pressing process section equipment, using cantilever suction device and plate conveying mechanism, the problem of high manual labor intensity during traditional PCB stacking and disassembly is solved, and the automated processing and production efficiency of plates are realized. promote.
Patent Information
- Application Number
- CN202011032397.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-09-27
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2040-09-27
AI Technical Summary
During the traditional PCB batch stacking process and disassembly, due to the large size and weight of the plate, manual operation is high and production efficiency is low.
A PCB press-compression process section equipment including a material pickup rack, material pickup robot and load transfer conveyor table is designed. The cantilever suction device and a plate conveyor mechanism are used to realize the automatic conveying and stacking of the plates through vacuum suction cups and motor drives, simplifying the Structure, reduce costs.
The automated processing of the board is realized, the labor intensity of manual work is reduced, the production efficiency is improved, the processing process is simplified, and the work efficiency is improved.
Smart Images

Figure CN112093480B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of PCB stacking or board disassembly operations, in particular to a PCB internal pressing process section device and a material taking workbench thereof. Background Art
[0002] In the traditional PCB batch stacking production or the process of disassembling a stacked PCB to separate each layer, the conveying, picking up and placing of the bottom plate, upper cover plate and mirror steel plate are all manual operations. Since the upper copper foil, lower copper foil, mirror steel plate, PP substrate and kraft paper in the PCB are also placed or split manually, the manual operation has the following defects: 1. Since the bottom plate, upper cover plate and mirror steel plate have a large area and heavy weight, the manual labor intensity is high during production; 2. The production efficiency is low. Summary of the invention
[0003] The purpose of the present invention is to solve the deficiencies of the above-mentioned technology and to design a PCB internal pressing process section equipment and a material taking workbench thereof to reduce manual labor intensity and improve production efficiency.
[0004] A material-grabbing workbench designed by the present invention includes a material-grabbing rack, a material-grabbing robot arranged on the material-grabbing rack, and a transfer and conveying platform. The transfer and conveying platform includes a frame, a rotating shaft, a rotating bearing member, and a driving device for driving the rotating shaft to rotate. The rotating shaft is arranged on the frame, and the frame and the rotating shaft rotate in cooperation with each other. The rotating bearing members are arranged along the axis body on the rotating shaft. The driving device drives the rotating shaft to rotate, so that the rotating bearing member drives the plate to move.
[0005] Preferably, a cantilever frame and a driving device thereof are provided on one side of the material taking frame;
[0006] The cantilever frame includes a mounting plate at the front end, a bearing is installed at a position of the cantilever frame corresponding to the end of the mounting plate to support the mounting plate, and a vacuum suction cup mechanism is arranged on the bottom surface of the mounting plate;
[0007] The driving device includes a motor and a rotating shaft, the rotating shaft is arranged on the frame, the rear end of the cantilever frame is fixed to the rotating shaft, and one end of the rotating shaft is connected to the output shaft of the motor;
[0008] The motor drives the swivel arm frame to rotate around the rotating shaft, and the mounting plate cooperates with the gravity of the vacuum suction cup mechanism and the end bearing to keep the suction cup in the vacuum suction cup mechanism always facing downward.
[0009] The cantilever suction device uses a motor to drive the cantilever frame to rotate around the axis. When it rotates to a predetermined position, the suction cup absorbs the plate on the fixed frame, and the cantilever frame is reset. This is repeated multiple times to achieve stacking of the plates, simplify the structure, reduce cost, and facilitate use.
[0010] Furthermore, it also includes a telescopic cylinder fixed on the mounting plate, and a vacuum suction cup mechanism is arranged at the telescopic end thereof. The height of the vacuum suction cup mechanism is adjusted by the telescopic cylinder, and the rotation stroke of the cantilever frame is reduced, which is convenient to use.
[0011] Furthermore, a bracket is fixed at the telescopic end, and a vacuum suction cup mechanism is installed on the bracket, so the structure is stable and easy to install.
[0012] Preferably, a correction device for adjusting the items to be transferred is provided on the material picking rack, and the correction device includes a correction cylinder arranged on the outside of the conveying equipment; the correction cylinder includes two first correction cylinders respectively arranged on both sides of the conveying equipment, and a second correction cylinder arranged on the third side of the conveying mechanism, and the output end of the correction cylinder faces the conveying equipment, and is used to resist the items to be transferred to achieve correction, and it faces the transfer conveying platform, and is used to resist the items to be transferred to achieve correction.
[0013] Furthermore, the motor is a reduction motor.
[0014] Furthermore, the cantilever frame is of door frame type, including a mounting plate at the front end and arm rods at both sides. The mounting plate and the head end of the arm rod form a rotational fit with a bearing, and the tail end of the arm rod is fixed to the rotating shaft, which facilitates layout and installation and reduces weight.
[0015] Furthermore, it also includes a direction adjustment mechanism, which is equipped with a synchronous belt, a driving wheel, a first driven wheel, a second driven wheel and a locking piece. The end of the mounting plate is a shaft body, and a bearing and a second driven wheel are installed on the shaft body. The driving wheel is arranged on the frame, and the locking piece is used to fix the driving wheel. The first driven wheel is sleeved on the rotating shaft and a bearing is installed between the rotating shaft. The first driven wheel and the second driven wheel are connected by a synchronous belt, and the first driven wheel and the driving wheel are connected by a synchronous belt. The driving wheel is rotated and locked with the locking piece. Under the rotation action of the synchronous belt, the first and second driven wheels, the suction cup of the vacuum suction cup mechanism in the mounting plate is fixed to the desired angle.
[0016] The driving wheel is driven to adjust the orientation angle of the suction cup to meet the adsorption and fixing requirements of different plates, such as manually adjusting and fixing the driving wheel, or driving the driving wheel to rotate with a self-locking motor to achieve automatic adjustment.
[0017] Preferably, a manual adjustment method is adopted, specifically: it also includes a rotating wheel, the rotating wheel is pivotally connected to the frame through an axle, the driving wheel is sleeved on the axle, a handle is arranged on the rotating wheel, the locking member includes a mounting frame, a handle, a connecting rod and a fixed block, the mounting frame is located on the frame on one side of the rotating wheel, the lower part of the handle is hinged to the mounting frame, two connecting rods are hinged and the upper connecting rod is hinged to the tail end of the handle, the lower connecting rod passes through the guide cylinder of the mounting frame and a fixed block is arranged at the tail end thereof, and the handle is rotated to adjust the upper and lower positions of the fixed block to abut against and fix the rotating wheel or to disengage from the rotating wheel.
[0018] The handle is held for adjustment and the locking piece is used for locking, which simplifies the structure and reduces the cost.
[0019] Furthermore, the synchronous belt between the first driven wheel and the second driven wheel is located in the cavity of the arm rod in the cantilever frame, thereby improving stability.
[0020] Compared with the prior art, the cantilever suction device of the above-mentioned middle material taking workbench has a redesigned structure, the overall structure is simplified, the cost is reduced, and it is suitable for promotion.
[0021] As another preferred solution: a PCB internal pressing process section equipment, comprising:
[0022] The above-mentioned material-retrieving workbench is used to grab and convey the plates, and the transfer and conveying platform of the material-retrieving workbench is located beside the plate conveying mechanism;
[0023] The working table is provided with a plate conveying mechanism, which is used to carry and convey the plate conveyed by the lifting and transferring mechanism to the upper side of the plate conveying mechanism;
[0024] A material conveying mechanism is arranged beside the working table and is used to convey the plates;
[0025] The plate suction machine sucks and positions the plates conveyed by the material conveying mechanism;
[0026] The plate suction machine corresponds to the upper part of the material loading and conveying mechanism.
[0027] Preferably, the workbench is also provided with a positioning mechanism for locking the plate on the plate conveying mechanism. The positioning mechanism fixes the plate, and the plate is conveyed by the bottom tray conveying mechanism, which simplifies the structure, reduces costs, operates semi-automatically, and is easy to use.
[0028] As a preferred embodiment, the transfer conveying device and the plate conveying mechanism both include a frame, a rotating shaft, a load-bearing wheel and a driving device for driving the rotating shaft to rotate. A plurality of rotating shafts are arranged on the frame and rotate in coordination. The rotating shafts are arranged along the length direction of the frame. A plurality of load-bearing wheels are arranged along the shaft body on each rotating shaft. The driving device drives the rotating shaft to rotate so that the load-bearing wheel moves the plate.
[0029] The support plate is provided with a hole corresponding to the position of the load-bearing wheel on the plate conveying mechanism, and the load-bearing wheel part extends out of the hole. The positioning mechanism is arranged on both sides of the support plate of the working table, and includes a telescopic cylinder and a fixing frame at its telescopic end. The telescopic cylinder moves down the fixing frame to fix the plate on the support plate. Multiple telescopic cylinders are arranged on both sides of the support plate. The telescopic cylinders, such as telescopic air cylinders and oil cylinders, improve the stability of the plate and facilitate pressing.
[0030] A storage bin for storing plates is arranged in the working table below the rotating shaft of the plate conveying mechanism. One side of the storage bin is open, and the inside of the bin is divided into multiple layers from top to bottom for storing materials. The storage bin is a multi-layer frame structure, and rollers are installed on the racks on the opposite sides of each layer. The storage bin is an integrated structure, which makes rational use of space, reduces the floor space, and facilitates the entry and exit of plates.
[0031] The rotating shaft is set on the frame through the shaft seat, and the driving device is a motor, which is fixed on the frame on one side of the support plate; the output shaft end of the motor is connected to any rotating shaft, and a driven wheel is set on the rotating shaft, and the driven wheels on two adjacent rotating shafts are connected and transmitted by a transmission belt. The rotating shaft is installed through the shaft seat, which makes the structure easy to install. The single driving device drives the rotating shaft synchronously, simplifies the structure, and has low cost.
[0032] Preferably, both sides of the frame of the transfer and conveying device are provided with side frames, and a transfer device for clamping the plate onto the conveying device is provided at a position of the side frame opening toward one side of the storage bin, and the transfer device includes a guide rail, a movable plate slidably arranged on the guide rail, and a transfer rod movably arranged on the movable plate, and the moving direction of the transfer rod is not parallel to the moving direction of the movable plate;
[0033] The transfer device also includes a first driving cylinder and a second driving cylinder, the output end of the first driving cylinder is fixed on the moving plate, and is used to drive the moving plate to move on the guide rail; the second driving cylinder is fixed on the moving plate, and the output end of the second driving cylinder is fixed on the transfer rod, and is used to drive the transfer rod to move on the moving plate; a bottom plate is provided on the side frame, and the guide rail and the first driving cylinder are both fixed on the bottom plate; a transfer block is fixed on the top of the transfer rod; the moving direction of the transfer rod is perpendicular to the moving direction of the moving plate.
[0034] Preferably, the material conveying mechanism includes a lifting device and a transfer and conveying device for carrying the plate, and the transfer and conveying device is installed on the lifting device, and the plate suction machine is correspondingly located above the transfer and conveying device;
[0035] The lifting device includes a first frame arranged at the opening of the storage bin, a power source, a sprocket and a chain fixed on the material picking frame of the material picking workbench, a second guide rail is installed on the first frame, a sprocket is installed on the output shaft of the power source fixed on the material picking frame, one end of the chain is fixed on the sprocket, the other end of the chain is connected to the side frame of the transfer and conveying device, and the side frame is slidably arranged on the second guide rail, two material ports are arranged on the first frame, and one material port corresponds to the opening of the storage bin, and the material picking frame of the material picking workbench is installed on the first frame; the plate suction machine includes a lifting cylinder, a negative pressure tube body and a suction cup, the lifting cylinder is fixed on the material picking frame, the output shaft of the lifting cylinder is connected to the lifting frame, a plurality of negative pressure tube bodies are installed on the lifting frame, the lower end of the negative pressure tube body is connected to the suction cup, and the negative pressure tube body is provided with a negative pressure joint connected to an external negative pressure generating device.
[0036] The present invention relates to a PCB operation device, whose structure utilizes automatic picking up, conveying and placing of an upper cover plate, a bottom plate and a mirror steel plate, so that stacking operations or board separation operations of a stacked PCB book are more convenient, and the manual labor intensity is reduced during operation, while the processing procedures are simplified and the work efficiency during operation is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0037] Figure 1 is a schematic diagram of the overall structure of Example 1 (I);
[0038] Figure 2 is a schematic diagram of the overall structure of Example 1 (II);
[0039] Figure 3 is a schematic diagram of the overall structure of Example 1 (III);
[0040] Figure 4 is a schematic diagram of the overall structure of Example 1 (IV);
[0041] Figure 5 It is a three-dimensional picture of a lifting transplanter;
[0042] Figure 6 It is a structural schematic diagram of a plate suction machine;
[0043] Figure 7 It is a three-dimensional diagram of the transplanting and conveying mechanism;
[0044] Figure 8 yes Figure 7 A magnified view of part E;
[0045] Fig. 9 This is the overall structure diagram of this workbench;
[0046] Fig.10 It is the structural diagram of the bottom bearing plate conveying mechanism;
[0047] Fig.11 It is the storage silo structure diagram;
[0048] Fig.12 It is a structural diagram of the telescopic fixing mechanism;
[0049] Fig.13 This is a first-view structural diagram of the cantilever suction device;
[0050] Fig.14 This is the enlarged structural diagram of part A;
[0051] Fig.15 This is the enlarged structural diagram of part B;
[0052] Fig.16 This is a structural diagram of the cantilever suction device from the second viewing angle;
[0053] Fig.17 This is the enlarged structural diagram of part C;
[0054] Fig.18 This is the enlarged structural diagram of the D section; DETAILED DESCRIPTION
[0055] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the present invention.
[0056] Embodiment 1:
[0057] As shown in the accompanying drawings, a material-retrieving workbench described in this embodiment includes a material-retrieving rack 501, a material-retrieving manipulator 530 arranged on the material-retrieving rack 501, and a transfer and conveying platform 520. The transfer and conveying platform 520 includes a frame 5101, a rotating shaft 518, a rotating bearing 519, and a driving device 514 that drives the rotating shaft to rotate. The rotating shaft is arranged on the frame, and the frame and the rotating shaft are rotated in cooperation with each other. The rotating bearings are arranged along the shaft body on the rotating shaft. The driving device drives the rotating shaft to rotate, so that the rotating bearing drives the plate to move; wherein, the rotating shaft The carrier is a carrier wheel, and the motor is a reduction motor. The output shaft end of the reduction box can be connected to any rotating shaft or can also be connected to any rotating shaft through a synchronous belt transmission mechanism 540. When the motor is started, the output shaft of the reduction box rotates to drive the rotating shaft connected to it to rotate through the synchronous belt transmission mechanism, and then drives all the rotating shafts to rotate under the transmission action of the driven wheel and the transmission belt, so as to achieve the rotation of the carrier wheel to convey the plate body 516, wherein the frame 5101 can be a square frame, or it can be composed of two beams 5103 arranged parallel to each other.
[0058] Furthermore, a correction device is arranged on the material picking rack, and the correction device includes a correction cylinder fixed on the rack and arranged on the outside of the conveying equipment. The correction cylinder includes two first correction cylinders respectively arranged on both sides of the conveying equipment and a second correction cylinder arranged on the third side of the conveying mechanism. The output end of the correction cylinder faces the conveying equipment, and is used to resist the material plate 316 to be transferred to achieve correction. The first correction cylinder adopts two forms, one is the edge correction cylinder 313, and the other is the end correction cylinder 314. The output end of the edge correction cylinder 313 and the output end of the second correction cylinder 315 are both fixed with a correction plate 317, and the output end of the end correction cylinder is fixed with a correction rod 318.
[0059] in Figure 4 In order to remove the structural diagram of the mounting frame and the arm, in this embodiment, the cantilever suction device is based on the material taking frame 501, which adopts a frame type. A cantilever frame 502 is installed on one end of the material taking frame, and a front mounting plate 5022 cooperates with the arm 5021 on both sides to form a door frame type cantilever frame. The mounting plate is outside the material taking frame. The driving device uses a motor 505 as a power source fixed on the material taking frame, and a rotating shaft 508 is installed on the frame through an axle seat. Figure 1 As shown, the rotating shaft spans across the frame, the tail end of the arm rod in the cantilever frame is fixed to the rotating shaft, and the end of the rotating shaft is connected to the output shaft of the motor fixed on one side of the material picking frame. The motor is a reduction type motor, which is stable. The motor is driven by the rotating shaft to drive the cantilever frame to rotate.
[0060] In this embodiment, both ends of the mounting plate are sleeved with double bearings and connected to the arm rod, a telescopic cylinder 504 is fixed to the bottom surface of the middle part of the mounting plate, and a vacuum suction cup mechanism 503 is installed at the telescopic end of the telescopic cylinder. The vacuum suction cup mechanism adopts a common model on the market, and the specific structure is not described in detail. In this embodiment, a bracket 5031 is fixed at the telescopic end, and the main body of the vacuum suction cup mechanism is installed with the bracket, and suction cups 5032 are installed at the four corners of the bottom surface of the bracket. Under the action of gravity of the vacuum suction cup mechanism and the action of bearings 5074 at both ends, during the rotation of the cantilever frame, the suction cup is always facing downward to facilitate the absorption of material plates 316 on the fixed frame, such as mirror steel plates.
[0061] Specific use: The motor drives the shaft to rotate, thereby driving the cantilever frame to rotate until the vacuum suction cup is located above the mirror plate, the telescopic cylinder is started, the vacuum suction cup is moved down to contact the mirror plate surface, adsorbed and fixed, the motor drives the cantilever frame to reset, the suction cup is released, and the mirror plate falls.
[0062] In another embodiment, if Figure 1-Figure 6As shown, a direction adjustment mechanism 506 is also added, including a synchronous belt, a driving wheel, a first driven wheel, a second driven wheel and a locking member 5062. In this embodiment, manual adjustment is demonstrated. Specifically, a cylindrical shaft body is fixed at the end of the mounting plate, a bearing and a second driven wheel are installed on the shaft body, and the bearing and the arm form a rotational fit. The second driven wheel is fixed on the shaft body, and the first driven wheel is installed on the rotating shaft connected to the motor. The first driven wheel is sleeved on the rotating shaft and the bearing is installed to form a rotational fit. The lower end of the rotating shaft A rotating wheel 5061 is installed on the outer wall of the square frame, and a shaft 5069 is also fixed at the center of the rotating wheel. The shaft spans the frame and forms a rotation fit through a bearing. A driving wheel 5070 is installed on the shaft below the first driven wheel. The driving wheel and the first driven wheel are connected by a synchronous belt 5072. The first driven wheel 5071 and the second driven wheel 5073 are also connected by a synchronous belt, and the synchronous belt between the first driven wheel and the second driven wheel extends along the arm cavity. The arm is a rectangular body, and a handle 5063 is installed on the rotating wheel.
[0063] Among them, the locking part includes a mounting frame 5064, a handle, a connecting rod and a fixed block. The mounting frame is T-shaped and is located on the frame above the rotating wheel. A through slot is opened at the longitudinal end of the mounting frame. The handle 5068 is located above the through slot. Its lower part is hinged to the mounting frame through a pin shaft. Two connecting rods are hinged and the connecting rod 5066 located above is hinged to the tail end of the handle. The connecting rod located below passes through the through slot, and a guide cylinder 5065 is fixed at the lower part of the through slot. The lower connecting rod passes through the guide cylinder, and a fixed block 5067 is installed at the tail end. When the handle is turned to the horizontal direction, it drives the connecting rod to move up, and the fixed block moves up, so that the rotating wheel can be rotated. When the handle is turned from the vertical direction, the fixed block moves down to abut the rotating wheel for locking.
[0064] When in use, the direction of the suction cup can be adjusted by the rotating wheel to meet different usage requirements.
[0065] Embodiment 2:
[0066] As shown in the accompanying drawings, a PCB internal pressing process section equipment described in this embodiment includes: the material picking workbench, which is used to grab and convey the plate, and the transfer and conveying platform of the material picking workbench is located next to the plate conveying mechanism; the working workbench 510, which is provided with a plate conveying mechanism 500 and a positioning mechanism 513 for locking the plate on the plate conveying mechanism 500, and the plate conveying mechanism 500 is used to transport the plate conveyed by the lifting and transferring mechanism to the upper side of the plate conveying mechanism 500; the loading and conveying mechanism, which is arranged next to the working workbench and is used to convey the plate; the plate suction machine 203, which sucks and positions the plate conveyed by the loading and conveying mechanism; the loading and conveying mechanism includes a lifting device 202 and a transfer and conveying device 201 for carrying the plate, and the transfer and conveying device 201 is installed on the lifting device 202, and the plate suction machine 203 is correspondingly located above the transfer and conveying device 201.
[0067] Based on the above, when the PCB is produced, after a base plate and an upper cover plate are stacked and placed on the transfer and conveying device at the same time, the lifting device drives the transfer and conveying device to lift so that the transfer and conveying device is close to the plate conveying mechanism and the plate suction machine, and then the plate suction machine first sucks and positions the upper cover plate on the transfer and conveying device, and the transfer and conveying device then conveys a part of the base plate to the plate conveying mechanism. However, under the drive of the plate conveying mechanism, the base plate is driven to translate so that the base plate is completely separated from the transfer and conveying mechanism and is located on the plate conveying mechanism. At this time, the positioning mechanism locks the plate on the plate conveying mechanism, and a group of kraft paper, lower copper foil, PP substrate, and upper copper foil are manually laid on the base plate of the plate conveying mechanism in sequence. Then, the material taking robot moves the transfer The mirror steel plate on the conveying table is taken and conveyed to be placed on the upper copper foil. Multiple groups are laid in this way, and the multiple groups are generally stacked in six groups, and each of the six groups consists of a lower copper foil, a PP substrate, an upper copper foil and a mirror steel plate. After the laying is completed, a layer of kraft paper is laid on the top mirror steel plate. After the last layer of kraft paper is laid, the plate conveying mechanism conveys the PCB with only the bottom plate to the transfer conveyor, and then the upper cover suction machine releases the upper cover plate, so that the upper cover plate is placed on the last layer of kraft paper laid, and then the lifting device drives the transfer conveyor device to the corresponding unloading position, and finally the transfer conveyor device drives the PCB with the bottom plate and the upper cover plate to move and unload, and after the unloading is completed, the PCB stacking processing is carried out reciprocatingly according to the above operation.
[0068] When the PCB is split, after the PCB is placed on the transfer and conveying device, the lifting device drives the transfer and conveying device to lift so that the transfer and conveying device is close to the plate conveying mechanism and the plate suction machine, and then the plate suction machine first sucks and positions the upper cover plate on the PCB at the transfer and conveying device, and the transfer and conveying device then conveys the PCB without the upper cover plate to the plate conveying mechanism, the positioning mechanism positions the bottom plate on the PCB, and then the kraft paper, lower copper foil, PP substrate and upper copper foil are manually removed, and the material-taking robot moves to remove the mirror steel plate, and in this way, all the kraft paper, lower copper foil, PP substrate, upper copper foil and mirror steel plate on the bottom plate are removed, so that only the bottom plate is left on the plate conveying mechanism, at this time, the plate conveying mechanism conveys the bottom plate to the transfer and conveying mechanism, and the plate suction machine releases the upper cover plate and places it on the bottom plate of the transfer and conveying mechanism, and finally the lifting device drives the transfer and conveying device to the corresponding unloading position, and finally the transfer and conveying device drives the displacement of the bottom plate and the upper cover plate to unload, and after unloading is completed, the PCB splitting operation is repeated according to the above operation.
[0069] In this embodiment, the transfer conveying device 201 and the plate conveying mechanism 500 both include a frame 5101, a rotating shaft 518, a load-bearing wheel 512 and a driving device 514 for driving the rotating shaft to rotate. A plurality of rotating shafts 518 are arranged on the frame 5101 and rotate in coordination. The rotating shafts 518 are arranged along the length direction of the frame 5101. A plurality of load-bearing wheels 512 are installed on each rotating shaft 518 at equal intervals along the shaft body. The driving device 514 drives the rotating shaft to rotate so that the load-bearing wheel moves the plate. Furthermore, the rotating shaft 518 is arranged on the frame 5101 through an axle seat. The driving device is a motor fixed to the frame 5101 on one side of the support plate. The output shaft end of the motor is connected to any The motor is a reduction type motor, and the output shaft end of the reduction gearbox can be connected to any shaft or can also be connected to any shaft through a synchronous belt transmission mechanism 540. When the motor is started, the output shaft of the reduction gearbox is driven to rotate through the synchronous belt transmission mechanism to drive the shaft connected to it to rotate, and then all the shafts are driven to rotate under the transmission action of the driven wheel and the transmission belt, so as to achieve the rotation of the load-bearing wheel to convey the plate 516, wherein the frame 5101 can be a square frame, or it can be composed of two beams 5103 arranged parallel to each other.
[0070] Preferably, the support plate 511 has a hole corresponding to the position of the load-bearing wheel on the plate conveying mechanism, and the load-bearing wheel part extends out of the hole. The positioning mechanism is arranged on both sides of the support plate 511 of the workbench 510, and includes a telescopic cylinder 5130 and a fixing frame 5131 at its telescopic end. The telescopic cylinder moves the fixing frame down to fix the plate on the support plate. Multiple telescopic cylinders are arranged on both sides of the support plate, wherein the telescopic cylinder is selected from a telescopic cylinder, and the fixing frame is L-shaped, such as Figure 1 , Figure 4 As shown, two telescopic cylinders are installed on each side of the support plate. The telescopic cylinders are fixed to the bottom surface of the support plate, and the telescopic ends extend from the holes on the support plate. The piston rods of the telescopic cylinders descend to move the fixing frame downward to clamp the plate body and position it between the support plate and the fixing frame.
[0071] In another embodiment, a storage bin 515 is installed in the frame below the rotating shaft to pre-store the plates required for the PCB. In this embodiment, the storage bin adopts a multi-layer frame structure, wherein the frame 5150 is a groove type with a top, a bottom and a side open, and connecting rods 5152 are fixed at one end of the groove walls on both sides from top to bottom, and the other end of the connecting rod is fixed to a transverse frame rod 5151, and the ends of the transverse frame rods away from each other are fixed to the bottom wall of the groove, and the opposite transverse frame rods divide the groove cavity into a multi-layer structure, and rollers 5153 are installed at intervals on the transverse frame rods.
[0072] The storage bin may be independent of the frame. In this embodiment, for stability, the frame rods are fixed to the frame rods of the frame by fixing plates 5154 and fastening bolts.
[0073] When in use, the stacked upper cover plates and bottom plates are stored in advance in each layer of the storage bin, and then the plates in the bin are sent to the support plate through the external feeding device, and the bottom plate is fixed by the telescopic fixing mechanism, and then other plates are manually stacked and arranged on the bottom plate. After the PCB board is formed, the driving device drives the rotating shaft, and the bearing wheels convey the plates, and the transfer and conveying mechanism takes the stacked upper cover plates and bottom plates and extends the piston rods of the two first cylinders to allow the transfer rod 304 to be inserted into the bin, and then the piston rods of the two second cylinders are retracted to allow the two transfer rods to clamp the stacked upper cover plates and bottom plates, and then the piston rod of the first cylinder is retracted to clamp the upper cover plates and bottom plates in the bin and convey them to the transfer and conveying mechanism, and finally, under the rotation drive of the bearing wheels of the transfer and conveying mechanism, the stacked upper cover plates and bottom plates are completely separated from the storage bin and are located on the transfer and conveying mechanism, or when the stacked upper cover plates and bottom plates are placed in the bin, the bearing wheels of the transfer and conveying mechanism rotate to send the stacked upper cover plates and bottom plates into the bin.
[0074] In this embodiment, both sides of the frame of the transfer and conveying device are provided with side frames, and a transfer device for clamping the plate to the conveying device is provided at a position of the side frame opening toward one side of the storage bin, and the transfer device includes a guide rail 302, a movable plate 303 slidably arranged on the guide rail 302, and a transfer rod 304 movably arranged on the movable plate 303, and the moving direction of the transfer rod 304 is not parallel to the moving direction of the movable plate 303. The transfer device also includes a first driving cylinder 305 and a second driving cylinder 306, the output end of the first driving cylinder 305 is fixed on the movable plate 303, and is used to drive the movable plate 303 to move on the guide rail 302; the second driving cylinder 306 is fixed on the movable plate 303, and the output end of the second driving cylinder 306 is fixed on the transfer rod 304, and is used to drive the transfer rod 304 to move on the movable plate 303; a bottom plate 312 is provided on the side frame, and the guide rail 302 and the first driving cylinder 305 are both fixed on the bottom plate 312. A transfer block 308 is fixed on the top of the transfer rod 304; the moving direction of the transfer rod 304 is perpendicular to the moving direction of the moving plate 303; the height of the transfer rod is slightly higher than the height of the conveying device.
[0075] The above-mentioned transfer equipment has a simple structure. When it is put into use: the moving plate moves forward under the action of the first driving cylinder, and the two transfer rods move toward the middle through the work of the second driving cylinder to clamp items such as plates, and then move backward through the first driving cylinder, so that the clamped items are placed on one of the rollers, and then the other rollers continue to rotate to complete the transfer and transportation.
[0076] In this embodiment, the lifting device 202 includes a first frame 200 provided at the storage bin opening, a power source 209 fixed on the material taking frame, a sprocket and a chain, a second guide rail 210 is installed on the first frame 200, a sprocket is installed on the output shaft of the power source 209 fixed on the material taking frame, one end of the chain is fixed on the sprocket, the other end of the chain is connected to the side frame of the transfer and conveying device 301, and the side frame is slidably arranged on the second guide rail 210, two material ports are arranged on the first frame 200, and one material port corresponds to the storage bin opening; specifically, the lifting device 202 is symmetrically arranged on both sides of the first frame 200. Each lifting device 202 includes two second guide rails 210 arranged in parallel on the side of the first frame 200, the material taking frame is fixed on the first frame 200, and the power source 209 fixed on the material taking frame is a reduction motor.
[0077] In this embodiment, the plate suction machine 203 includes a lifting cylinder 204, a negative pressure tube body 205 and a suction cup 206. The lifting cylinder 204 is fixed on the top of the material taking rack. The output shaft of the lifting cylinder 204 is connected to a lifting frame 207. A plurality of negative pressure tube bodies 205 are installed on the lifting frame 207. The lower end of the negative pressure tube body 205 is connected to the suction cup 206. The negative pressure tube body 205 is provided with a negative pressure connector 208 connected to an external negative pressure generating device. Specifically, the lifting frame 207 is a square frame, and four negative pressure tube bodies 205 are provided. Each negative pressure tube body 205 is fixed to each corner of the square frame through a connecting column. The suction cup 206 is provided with a negative pressure port.
[0078] The present invention is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present invention. However, no matter what changes are made in the shape or structure, all technical solutions that are the same or similar to those of the present application fall within the protection scope of the present invention.
Claims
1. A material reclaiming workbench, characterized in that: It includes a material taking frame, a material taking manipulator arranged on the material taking frame and a transfer and conveying platform, wherein the transfer and conveying platform includes a frame, a rotating shaft, a rotating bearing member and a driving device for driving the rotating shaft to rotate, the rotating shaft is arranged on the frame, and the frame and the rotating shaft are rotated in cooperation with each other, the rotating bearing members are arranged along the shaft body on the rotating shaft, and the driving device drives the rotating shaft to rotate, so that the rotating bearing member drives the plate to move; A cantilever frame and its driving device are arranged on one side of the material taking frame; The cantilever frame includes a mounting plate at the front end, a bearing is installed at a position of the cantilever frame corresponding to the end of the mounting plate to support the mounting plate, and a vacuum suction cup mechanism is arranged on the bottom surface of the mounting plate; The driving device includes a motor and a rotating shaft, the rotating shaft is arranged on the frame, the rear end of the cantilever frame is fixed to the rotating shaft, and one end of the rotating shaft is connected to the output shaft of the motor; The motor drives the swivel arm frame to rotate around the rotating shaft, and the mounting plate cooperates with the gravity of the vacuum suction cup mechanism and the end bearing to keep the suction cup in the vacuum suction cup mechanism always facing downward; It also includes a telescopic cylinder fixed on the mounting plate, a vacuum suction cup mechanism being arranged at the telescopic end of the cylinder; and a bracket being fixed at the telescopic end, and the vacuum suction cup mechanism being arranged on the bracket.
2. The material reclaiming workbench according to claim 1, characterized in that: The motor is a reduction motor; the cantilever frame is a door frame type, including a mounting plate at the front end and arm rods at both sides. The mounting plate and the head end of the arm rod form a rotational fit with a bearing, and the tail end of the arm rod is fixed to the rotating shaft.
3. The material reclaiming workbench according to claim 1, characterized in that: A correction device for adjusting the items to be transferred is provided on the material picking rack, and the correction device includes a correction cylinder arranged on the outside of the conveying equipment; the correction cylinder includes two first correction cylinders respectively arranged on both sides of the conveying equipment and a second correction cylinder arranged on the third side of the conveying mechanism, and the output end of the correction cylinder faces the conveying equipment, and is used to resist the items to be transferred to achieve correction.
4. The material reclaiming workbench according to claim 1, characterized in that: It also includes a direction adjustment mechanism, which is equipped with a synchronous belt, a driving wheel, a first driven wheel, a second driven wheel and a locking member. The end of the mounting plate is a shaft body, a bearing and a second driven wheel are installed on the shaft body, the driving wheel is arranged on the frame, and the locking member is used to fix the driving wheel. The first driven wheel is sleeved on the rotating shaft and a bearing is installed between the rotating shaft. The first driven wheel and the second driven wheel are connected by a synchronous belt, and the first driven wheel and the driving wheel are connected by a synchronous belt. The driving wheel is rotated and locked by the locking member. Under the rotation of the synchronous belt, the first and second driven wheels, the suction cup of the vacuum suction cup mechanism in the mounting plate is fixed to the desired angle; It also includes a rotating wheel, which is pivotally connected to the frame through an axle, a driving wheel is sleeved on the axle, a handle is arranged on the rotating wheel, and a locking member includes a mounting frame, a handle, a connecting rod and a fixing block. The mounting frame is located on the frame on one side of the rotating wheel, and the lower part of the handle is hinged to the mounting frame. The two connecting rods are hinged and the upper connecting rod is hinged to the tail end of the handle. The lower connecting rod passes through the guide cylinder of the mounting frame and a fixed block is arranged at the tail end. The handle is turned to adjust the upper and lower positions of the fixed block so as to abut against the fixed rotating wheel or be separated from the rotating wheel. The synchronous belt between the first driven wheel and the second driven wheel is located in the cavity of the arm rod in the cantilever frame.
5. A PCB internal pressing process section equipment, characterized in that: include: The material retrieving workbench according to any one of claims 1 to 4 is used for grabbing and conveying plates, and the transfer and conveying platform of the material retrieving workbench is located beside the plate conveying mechanism; The working table is provided with a plate conveying mechanism, which is used to carry and convey the plate conveyed by the lifting and transferring mechanism to the upper side of the plate conveying mechanism; The material conveying mechanism is arranged beside the working table and is used to convey the plates; the plate sucking machine sucks and positions the plates conveyed by the material conveying mechanism; wherein the plate sucking machine is correspondingly located above the material conveying mechanism.
6. The PCB internal pressing process section equipment according to claim 5, characterized in that: The operation workbench is also provided with a positioning mechanism for locking the plate on the plate conveying mechanism.
7. The PCB internal pressing process section equipment according to claim 6, characterized in that: The transfer conveying device and the plate conveying mechanism both include a frame, a rotating shaft, a rotating bearing and a driving device for driving the rotating shaft to rotate. A plurality of rotating shafts are arranged on the frame and rotated together. The rotating shafts are arranged along the length direction of the frame. A plurality of rotating bearings are arranged along the shaft body on each rotating shaft. The driving device drives the rotating shaft to rotate so that the rotating bearing moves the plate. The support plate is provided with a hole corresponding to the position of the load-bearing wheel on the plate conveying mechanism, and the load-bearing wheel part extends out of the hole. The positioning mechanism is arranged on both sides of the support plate of the working table, and includes a telescopic cylinder and a fixing frame at its telescopic end. The telescopic cylinder moves the fixing frame downward to fix the plate on the support plate. Multiple telescopic cylinders are arranged on both sides of the support plate. A storage bin for storing plates is arranged in the working table below the rotating shaft of the plate conveying mechanism. One side of the storage bin is open, and the inside of the bin is divided into multiple layers from top to bottom for storing materials. The storage bin is a multi-layer frame structure, and rollers are installed on the racks on the opposite sides of each layer. The rotating shaft is arranged on the frame through an axle seat, and the driving device is a motor fixed on the frame on one side of the support plate. The output shaft end of the motor is connected to any rotating shaft, and a driven wheel is arranged on the rotating shaft, and the driven wheels on two adjacent rotating shafts are connected and transmitted by a transmission belt.
8. The PCB internal pressing process section equipment according to claim 7, characterized in that: Side frames are arranged on both sides of the frame of the transfer and conveying device, and a transfer device for clamping the plate onto the conveying device is arranged at a position on the side frame that opens toward one side of the storage bin, and the transfer device includes a guide rail, a movable plate slidably arranged on the guide rail, and a transfer rod movably arranged on the movable plate, and the moving direction of the transfer rod is not parallel to the moving direction of the movable plate; The transfer device also includes a first driving cylinder and a second driving cylinder, the output end of the first driving cylinder is fixed on the moving plate, and is used to drive the moving plate to move on the guide rail; the second driving cylinder is fixed on the moving plate, and the output end of the second driving cylinder is fixed on the transfer rod, and is used to drive the transfer rod to move on the moving plate; a bottom plate is provided on the side frame, and the guide rail and the first driving cylinder are both fixed on the bottom plate; a transfer block is fixed on the top of the transfer rod; the moving direction of the transfer rod is perpendicular to the moving direction of the moving plate.
9. A PCB internal pressing process section equipment according to any one of claims 6 to 8, characterized in that: The material conveying mechanism includes a lifting device and a transfer and conveying device for carrying plates, and the transfer and conveying device is installed on the lifting device, and the plate suction machine is correspondingly located above the transfer and conveying device; The lifting device includes a first frame arranged at the storage bin opening, a power source, a sprocket and a chain fixed on the material taking frame of the material taking workbench, a second guide rail is installed on the first frame, a sprocket is installed on the output shaft of the power source, one end of the chain is fixed on the sprocket, the other end of the chain is connected to the side frame of the transfer and conveying device, and the side frame is slidably arranged on the second guide rail, two material openings are arranged on the first frame, and one material opening corresponds to the storage bin opening, and the material taking frame of the material taking workbench is installed on the first frame; The plate suction machine includes a lifting cylinder, a negative pressure tube body and a suction cup. The lifting cylinder is fixed on the material picking rack. The output shaft of the lifting cylinder is connected to the lifting rack. A plurality of negative pressure tube bodies are installed on the lifting rack. The lower end of the negative pressure tube body is connected to the suction cup. The negative pressure tube body is provided with a negative pressure joint connected to an external negative pressure generating device.
