Improved circuit board punching apparatus
By improving the automated loading and unloading design of the circuit board drilling equipment, the problem of low efficiency of manual loading and unloading in existing equipment has been solved, achieving efficient circuit board processing and cost savings.
Patent Information
- Application Number
- CN202310910254.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-07-21
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2043-07-21
AI Technical Summary
Existing circuit board drilling equipment requires manual loading and unloading, resulting in low processing efficiency and high labor costs.
Design an improved circuit board drilling equipment, which adopts a temporary storage and feeding rack, a main conveyor line, a drilling machine, a branch conveyor line, a docking mechanism, and a board feeding and receiving mechanism to realize the automated loading and unloading of circuit boards. Through the coordinated work of components such as a stacking mechanism, a feeding mechanism, a straightening mechanism, and a transfer mechanism, the material conveying efficiency is improved.
It has enabled automated loading and unloading of circuit boards, improving processing efficiency, reducing the number of workers, and lowering labor costs.
Smart Images

Figure CN119328845B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of circuit board punching, and particularly relates to an improved circuit board punching device. BACKGROUND
[0002] Circuit board punching processing needs to use a circuit board punching device, and the processing process is as follows: an un-punched circuit board is positioned and placed into the circuit board punching device by manual operation, the circuit board punching device is provided with multiple work stations and multiple drill bits, the circuit board needs to be placed several times by manual operation, after the punching is completed, the circuit board is taken out by manual operation, and the circuit board is re-placed, although the punching processing of the circuit board can be realized, the time is relatively long due to the manual taking and placing of the circuit board, the processing efficiency of the circuit board is relatively low, multiple circuit board punching devices need to be started simultaneously, and a large number of workers are needed, so that the labor cost is high. SUMMARY
[0003] In order to overcome the defects of the prior art, the purpose of the present application is to provide an improved circuit board punching device to solve the above technical problems.
[0004] The technical scheme adopted by the present application to solve the technical problems is as follows:
[0005] According to one aspect of the present application, an improved circuit board punching device is designed, which comprises:
[0006] The temporary storage and feeding shelf is used for receiving materials for temporary storage and feeding;
[0007] The main conveying line is used for receiving the materials output by the temporary storage and feeding shelf, and the feeding end of the main conveying line corresponds to the discharging end of the temporary storage and feeding shelf;
[0008] The punching machine table is arranged on one side of the main conveying line, and is provided with multiple drilling work stations and multiple drilling machines, and is provided with a feeding port at the rear side;
[0009] The branch conveying line is arranged on the punching machine table, and is used for receiving the materials conveyed by the transfer mechanism on the main conveying line;
[0010] The docking mechanism is arranged on the branch conveying line, and is used for synchronously outputting the materials received on the branch conveying line;
[0011] The board feeding and collecting mechanism is arranged at the rear side of the punching machine table, and is used for receiving the materials output by the docking mechanism and conveying the materials to one side of the punching machine table, so that the material taking mechanism in the punching machine table takes away the materials placed on the drilling work stations in the punching machine table, and the material taking mechanism is also used for taking away the materials after the punching is completed and conveying the materials to the board feeding and collecting mechanism, so that the board feeding and collecting mechanism conveys the materials after the punching is completed to the docking mechanism, and the docking mechanism places the materials after the punching is completed on the branch conveying line for output.
[0012] By adopting the technical scheme, automatic feeding and automatic discharging of the board materials such as circuit boards can be realized, compared with the prior art of feeding the circuit boards into a punching machine by manual operation and taking out the punched circuit boards by manual operation, the time for feeding and discharging is less, and thus the processing efficiency of the board materials such as circuit boards can be improved, the number of workers used is less, and the labor cost can be saved.
[0013] In order to better solve the above technical defects, the application also has a better technical scheme:
[0014] In some embodiments, the main conveying line comprises a plurality of conveying mechanisms arranged transversely, and a transfer mechanism arranged at the discharging end of the conveying mechanisms, the feeding end of the branch conveying line corresponds to the transfer mechanism, and the discharging end of each conveying mechanism is provided with a correcting mechanism for centering the conveyed materials.
[0015] In some embodiments, the temporary storage feeding shelf comprises:
[0016] The shelf body is vertically spaced in the middle part and is provided with a plurality of first layers of shelves for placing materials;
[0017] The material stacking mechanism is arranged at the left end of the shelf body and vertically slides with the shelf body through a guide assembly, a first driving device for driving the material stacking mechanism to ascend and descend is arranged between the material stacking mechanism and the shelf body, when the first driving device drives the material stacking mechanism to ascend to a preset height, the material stacking mechanism corresponds to a first layer of shelves, and the material stacking mechanism is used to place the taken materials on the corresponding first layer of shelves;
[0018] The feeding mechanism is arranged at the right end of the shelf body and vertically slides with the shelf body through a guide assembly, a second driving device for driving the feeding mechanism to ascend and descend is arranged between the feeding mechanism and the shelf body, when the second driving device drives the feeding mechanism to ascend to a preset height, the feeding mechanism corresponds to a first layer of shelves, and the feeding mechanism is used to take the materials on the corresponding first layer of shelves and feed the materials to the main conveying line. The taken materials can be placed on the first layer of shelves by the material stacking mechanism, the materials can be buffered by the first layer of shelves, and the materials on the first layer of shelves can be taken and fed by the feeding mechanism, so that the materials can be automatically fed, the feeding is automatically completed, the feeding efficiency is relatively high, and the processing efficiency can be improved.
[0019] In some embodiments, the transfer mechanism comprises: a first carrier plate, a rotary drive assembly, a second carrier plate, a first drive unit, and a transfer device. The rotary drive assembly is arranged below the first carrier plate and is drivingly connected to the first carrier plate to drive the first carrier plate to rotate at a preset angle. The second carrier plate is arranged above the first carrier plate in a spaced manner. The first drive unit is fixedly connected to the first carrier plate and is drivingly connected to the second carrier plate to drive the second carrier plate to move up and down. The transfer device is installed on the top of the second carrier plate. The transfer device is used to receive the material output by one of the conveying mechanisms on the main conveying line and convey the material to another conveying mechanism, or receive the material output by the conveying mechanism on the main conveying line and convey the material to the branch conveying line after rotating. Thus, the automatic transfer and conveying of the material can be realized.
[0020] In some embodiments, the correction mechanism comprises: a bottom plate one, a correction frame, a linkage assembly, and a longitudinal driving device. The bottom plate one is arranged below the conveying mechanism and is fixedly connected to the conveying mechanism through front and rear mounting plates one. The correction frame is provided with two correction frames that are longitudinally staggered and slidingly fitted on the top of the bottom plate one. The upper ends of the opposite sides of the two correction frames are respectively provided with front and rear corresponding correction members. The linkage assembly is arranged between and connected to the two correction frames. The linkage assembly is used to link and move the two correction frames synchronously to drive the two correction members to approach or move away from each other, so as to realize the centering correction of the material. The longitudinal driving device is drivingly connected to one of the correction frames to drive the correction frame to move longitudinally. When the material is conveyed to the space between the two correction members by the conveying mechanism, the longitudinal driving device drives the correction frame drivingly connected thereto to move and drive the correction member thereon to approach the material. At the same time, the linkage assembly can link and move the other correction frame to drive the correction member thereon to approach the material synchronously. The two correction members approach the material and contact the ends of the material, so as to realize the centering correction of the material. Thus, the normal conveying of the material can be ensured, and the problem of deviation of the material during conveying and failure to convey normally can be solved.
[0021] In some embodiments, the right side of the transfer mechanism is provided with a first stop member for stopping the conveying material. The first stop member is connected with a first stop driving unit for driving the first stop member to move up and down. The right side of the correction mechanism is provided with a second stop member for stopping the conveying material. The second stop member is connected with a second stop driving unit for driving the second stop member to move up and down.
[0022] In some embodiments, the docking mechanism comprises: a mounting frame three vertically guided matched with the mounting plate two fixed on the bottom plate of the mounting body on the branch conveying line, the left and right ends of each mounting frame three are respectively provided with a third stopper, the third stopper is connected with a third stop driving unit for driving the third stopper to lift for stopping the material, a through slot is vertically provided on the mounting frame three for placing the mounting body on the branch conveying line, a lifting driving device one for driving the mounting frame three to lift is mounted on the mounting plate two, a transverse driving assembly is connected on the mounting frame three, a first driving shaft on the transverse driving assembly is connected with a first power source, when the third stopper is driven to lift, the material conveyed by the branch conveying line can be stopped above the transverse driving assembly, when the transverse driving assembly is driven to lift, the material above the transverse driving assembly can be lifted and driven to move horizontally to the plate feeding and collecting mechanism, or the plate feeding and collecting mechanism can receive the material output by the plate feeding and collecting mechanism.
[0023] In some embodiments, the plate feeding and collecting mechanism comprises: a rack, a material rack, and a lifting driving device two, the rack is arranged on the rear side of the puncher, the material rack is arranged in the rack, and the two ends of the material rack are vertically movably matched with the rack through a guide mechanism, a plurality of second layer racks are vertically and spaced apart arranged on the material rack, a plurality of feeding driving assemblies are arranged on each second layer rack, each feeding driving assembly is connected with a second power source, and the lifting driving device two is drivingly connected with the material rack for driving the material rack to move to a preset height so that the plurality of feeding driving assemblies on the second layer rack can receive or synchronously output the material.
[0024] In some embodiments, a material blocking member fixed with the material rack is arranged on the right side of each feeding driving assembly, a guide member is arranged in each feeding driving assembly, the guide member is provided with a guide groove for ensuring the straight conveying of the material, and a positioning device for positioning the output position of the material is arranged on one side of the rack, the number of the positioning devices is the same as that of the feeding driving assemblies, and the positioning devices and the feeding driving assemblies can correspond to each other.
[0025] In some embodiments, the material taking mechanism comprises a material taking power source, a driving rod, a second lead screw, a material taking bottom plate, and a grabbing assembly, the material taking power source is connected with the longitudinally arranged driving rod for driving the driving rod to rotate, the driving rod is drivingly connected with a plurality of transversely arranged second lead screws through a transmission assembly, the second lead screws are driven to rotate, the second lead screws are threadedly connected with nuts fixed on the material taking bottom plate, the grabbing assembly is fixed on the material taking bottom plate for grabbing the material, and the second lead screws are driven to rotate to drive the material taking bottom plate and the grabbing assembly to move leftward and rightward. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 A structural schematic view of an improved circuit board punching equipment according to an embodiment of the present application.
[0027] Figure 2 Structure diagram of the temporary storage and feeding shelf;
[0028] Figure 3 Structure diagram of the first layer of the temporary storage and feeding shelf;
[0029] Figure 4 Structure diagram of the stacking mechanism of the temporary storage and feeding shelf;
[0030] Figure 5 Structure diagram of the Figure 4 Structure diagram of the temporary storage and feeding shelf from another perspective;
[0031] Figure 6 Structure diagram of the first push rod assembly of the temporary storage and feeding shelf;
[0032] Figure 7 Structure diagram of the first push rod assembly of the temporary storage and feeding shelf;
[0033] Figure 8 Structure diagram of the transfer mechanism;
[0034] Figure 9 Structure diagram of the Figure 8 Structure diagram of the temporary storage and feeding shelf from another perspective;
[0035] Figure 10 Structure diagram of the correction mechanism;
[0036] Figure 11 Structure diagram of the Figure 10 Structure diagram of the temporary storage and feeding shelf from above;
[0037] Figure 12 Structure diagram of the branch conveying line and the docking mechanism;
[0038] Figure 13 Structure diagram of the docking mechanism;
[0039] Figure 14 Structure diagram of the Figure 13 Structure diagram of the temporary storage and feeding shelf from another perspective;
[0040] Figure 15 Structure diagram of the plate feeding and collecting mechanism;
[0041] Figure 16 Structure diagram of the rack and lifting drive device of the plate feeding and collecting mechanism;
[0042] Figure 17 Structure diagram of the feeding rack of the plate feeding and collecting mechanism;
[0043] Figure 18 Structure diagram of the second layer of the plate feeding and collecting mechanism and the second power source;
[0044] Figure 19 Structure diagram of the positioning device on the plate feeding and collecting mechanism;
[0045] Figure 20 For Figure 19 Structure diagram of the upper positioning block;
[0046] Figure 21 Structure diagram of the material taking mechanism;
[0047] Figure 22 Structure diagram of the grabbing assembly on the material taking mechanism;
[0048] Reference signs:
[0049] 1, Temporary storage loading shelf; 11, Shelf body; 111, Frame; 112, Shelf plate; 12, Material stacking mechanism; 121, Mounting frame one; 1211, Carrying frame; 1212, Material carrying plate; 1213, Connecting block one; 1214, Support rod body; 122, Material taking plate; 1221, Stop block; 123, First transverse driving unit; 124, First transverse pushing device; 1241, Second transverse driving unit; 1242, Driving block; 1243, First push rod assembly; 12431, Rod body one; 12432, Push block; 12433, Return spring; 12434, Projection block; 125, Second transverse pushing device; 1251, Third transverse driving unit; 1252, Second push rod assembly; 13, Loading mechanism; 14, First layer shelf; 141, Connecting rod one; 142, Carrying object; 15, First driving device; 151, Motor one; 152, Gear one; 153, Rack one; 16, Second driving device; 2, Main conveying line; 21, Conveying mechanism; 211, Mounting frame body; 212, Support frame; 213, Power driving assembly; 214, Speed-up chain; 22, Transfer mechanism; 23, Correction mechanism; 221, First carrying plate; 222, Rotary driving assembly; 2221, First motor; 2222, Rotary driving unit; 2223, Mounting seat; 223, Second carrying plate; 224, First driving unit; 225, Transfer device; 2251, Side plate one; 2252, Rotation shaft one; 2253, Driving wheel; 2254, Driven wheel; 2255, Transmission piece; 2256, Power assembly; 22561, Second motor; 22562, Driving synchronous wheel; 22563, Driven synchronous wheel; 22564, Synchronous belt one; 2257, Connecting block two; 2258, Connecting rod two; 2259, Auxiliary wheel; 2261, First stop piece; 2262, First stop driving unit; 227, Guide assembly one; 2271, Guide column; 2272, Linear bearing; 228, Connecting plate one; 2281, Adjustment mounting hole; 231, Bottom plate one; 2311, Mounting plate one; 2312, Guide rail one; 2313, Connecting shaft one; 2314, Mounting frame two; 2315, Mounting block; 2316, Support plate; 232, Correction shelf; 2321, Slide block one; 233, Linkage assembly; 2331, Gear two; 2332, Rack two; 2333, Bearing one; 234, Longitudinal driving device; 235, Second stop driving unit; 236, Second stop piece; 237, Correction piece; 4, Punching machine table; 5, Branch conveying line; 6, Docking mechanism; 61, Mounting frame three; 611, Side plate two; 612, Connecting plate two; 613, Top plate; 614, Guide assembly two; 615, Guide piece; 62, Mounting plate two; 63, Third stop piece; 64, Third stop driving unit; 641, Connecting block three; 65, Lifting driving device one; 66, Transverse driving assembly; 661, First driving shaft; 662, Second driving shaft; 663, Synchronous belt two; 664, First conveying belt;665、second conveying belt; 69、first power source; 7、plate feeding and collecting mechanism; 71、frame; 72、rack; 721、material blocking piece; 73、second lifting driving device; 731、lifting driving motor; 732、transmission rod; 733、first helical gear; 734、second helical gear; 735、screw rod one; 736、nut one; 74、guiding mechanism; 741、second guide rail; 742、second sliding block; 75、second layer rack; 751、connecting plate three; 752、connecting rod three; 753、bearing piece; 76、feeding driving assembly; 761、pulley; 762、third conveying belt; 763、third driving shaft; 764、coupling one; 77、second power source; 78、guiding piece; 79、positioning device; 791、positioning frame; 792、first positioning driving unit; 793、second positioning driving unit; 794、Z-shaped frame; 795、L-shaped frame; 796、positioning block; 7961、positioning groove; 7962、through groove one; 797、abutting piece; 7971、abutting portion; 7972、stop portion; 798、spring one; 799、material detection sensor one; 8、material taking mechanism; 81、material taking power source; 82、driving rod; 83、screw rod two; 84、material taking bottom plate; 85、grabbing assembly; 851、driving cylinder; 852、third rack; 853、third gear; 854、clamping jaw; 86、mounting rod; 87、transmission assembly; 871、first bevel gear; 872、second bevel gear; 873、vertical rotating shaft; 874、third bevel gear; 875、fourth bevel gear; 88、rotating shaft seat; 89、nut two. DETAILED DESCRIPTION
[0050] In order to make the objectives, technical solutions and advantages of the present application clearer, further detailed description will be made to the present application with reference to specific embodiments and the accompanying drawings.
[0051] Reference Figures 1 to 22 As shown in the drawings, the improved circuit board punching equipment provided by the present application is used for automatic conveying and punching processing of circuit boards or other thin plate products. In this paper, the material refers to the un-punched circuit board. The bottom of the middle part of the left and right ends of the circuit board is fixedly connected with a positioning column 100 for positioning. The improved circuit board punching equipment comprises a temporary storage feeding rack 1, a main conveying line 2, a punching machine table 4, a branch conveying line 5, a butt joint mechanism 6 and a plate feeding and collecting mechanism 7.
[0052] The temporary storage feeding rack 1 is used for receiving and temporarily storing the circuit board (un-punched circuit board) and feeding.
[0053] The feeding end of the main conveying line 2 corresponds to the discharging end of the temporary storage feeding rack 1, and is used for receiving the circuit board output by the temporary storage feeding rack 1.
[0054] The punching machine table 4 is arranged on one side of the main conveying line 2, and a plurality of drilling stations and drilling machines are arranged on the punching machine table 4. An upper feeding port is arranged on the rear side of the punching machine table 4.
[0055] The branch conveying line 5 is arranged on the punching machine table 4, and is used for receiving the circuit boards conveyed by the transfer mechanism 22 on the main conveying line 2. The feeding end of the branch conveying line 5 corresponds to the transfer mechanism 22, and the transfer mechanism 22 can convey the circuit boards output by the conveying mechanism 21 on the left side to the conveying mechanism 21 on the right side or to the branch conveying line 5 after rotation.
[0056] A plurality of docking mechanisms 6 are arranged on the branch conveying line 5, and are used for synchronously outputting the plurality of circuit boards received on the branch conveying line 5 in a transverse direction.
[0057] The board feeding and collecting mechanism 7 is arranged on the rear side of the punching machine table 4, and is used for receiving the circuit boards output by the docking mechanism 6 and conveying the circuit boards to the upper feeding port position on the rear side of the punching machine table 4. The taking mechanism 8 in the punching machine table 4 is used for taking away the circuit boards placed on the drilling stations in the punching machine table 4. The taking mechanism 8 is also used for taking away the circuit boards after punching and conveying the circuit boards to the board feeding and collecting mechanism 7. The board feeding and collecting mechanism 7 is used for conveying the circuit boards after punching to the docking mechanism 6. The docking mechanism 6 is used for placing the circuit boards after punching on the branch conveying line 5 and outputting the circuit boards from the feeding end of the branch conveying line 5.
[0058] The temporary storage upper feeding shelf 1 comprises a shelf body 11, a material stacking mechanism 12 and an upper feeding mechanism 13.
[0059] The shelf body 11 comprises a frame 111 connected by a plurality of longitudinal and transverse structural profiles and two shelf plates 112. The two shelf plates 112 are fixedly connected to the front and rear sides of the middle part of the frame 111. A plurality of first layer shelves 14 for placing circuit boards are vertically and spacedly connected between the two shelf plates 112. The first layer shelf 14 comprises a connecting rod one 141 and a load carrying member 142. The connecting rod one 141 of each first layer shelf 14 is provided with two or three or four or more, preferably three. The load carrying member 142 of each first layer shelf 14 is provided with two or three or four, preferably two. The lower end of the load carrying member 142 is provided with a bayonet, and the connecting rod one 141 is matched with the bayonet.
[0060] The code material mechanism 12 is arranged at the left end of the frame body 11, and the code material mechanism 12 is vertically slidably connected with the frame body 11 through a guide assembly. A first driving device 15 for driving the code material mechanism 12 to ascend and descend is arranged between the code material mechanism 12 and the frame body 11. The first driving device 15 comprises a motor 151, a gear 152 and a rack 153. The motor 151 is fixedly connected to a mounting frame 121. The rack 153 is vertically fixedly connected to the frame body 11. The gear 152 is fixedly connected to a driving end of the motor 151, and the gear 152 is engaged with the rack 153. The motor 151 is a servo motor or a stepping motor. When the first driving device 15 drives the code material mechanism 12 to ascend to a preset height, the code material mechanism 12 corresponds to a first layer frame 14. The code material mechanism 12 is used for placing the circuit board taken to the corresponding first layer frame 14. The number of preset heights is the same as the number of first layer frames 14.
[0061] The loading mechanism 13 is arranged at the right end of the frame body 11, and the loading mechanism 13 is vertically slidably connected with the frame body 11 through a guide assembly. A second driving device 16 for driving the loading mechanism 13 to ascend and descend is arranged between the loading mechanism 13 and the frame body 11. When the second driving device 16 drives the loading mechanism 13 to ascend to a preset height, the loading mechanism 13 corresponds to a first layer frame 14. The loading mechanism 13 is used for taking away the circuit board on the corresponding first layer frame 14 and loading the circuit board to the main conveying line 2.
[0062] The code material mechanism 12 comprises a mounting frame one 121, a material taking plate 122, and a first transverse driving unit 123, a first transverse pushing device 124 and a second transverse pushing device 125 fixed to the mounting frame one 121. The mounting frame one 121 is vertically and slidingly connected with the frame body 11 through a guide assembly, wherein the guide assembly comprises a guide rail and a sliding block in sliding cooperation with the guide rail. The guide rail is vertically fixed to the frame body 11, and the sliding block is fixed to the rear side of the mounting frame one 121. The left end top of the material taking plate 122 is provided with a stop block 1221 for stopping the circuit board. The stop block 1221 can prevent the material taking plate 122 from moving to cause the circuit board thereon to deviate, so as to ensure the normal transfer of the circuit board. The first transverse driving unit 123 is arranged below the material taking plate 122. The driving end of the first transverse driving unit 123 is drivingly connected with the material taking plate 122, for driving the material taking plate 122 to move left to take the circuit board outside the frame body 11 and to move right to deliver the circuit board to the left end interior of the frame body 11, i.e. the position above the mounting frame one 121. The first transverse pushing device 124 is arranged below the first transverse driving unit 123. The first transverse pushing device 124 is used for pushing the circuit board moved to the left end interior of the frame body 11 into the first layer frame 14. At this time, most of the circuit board is on the first layer frame 14, and a small part of the circuit board is on the material taking plate 122. The second transverse pushing device 125 is arranged in two and correspondingly arranged on the front side and the rear side of the right end of the first transverse pushing device 124. The second transverse pushing device 125 is used for pushing the circuit board pushed by the first transverse pushing device 124 into the first layer frame 14.
[0063] The mounting frame one 121 comprises a carrier frame 1211 and a carrier plate 1212. The carrier frame 1211 is transversely provided with an accommodation groove penetrating through the carrier frame 1211. The carrier plate 1212 is arranged in the accommodation groove. A gap is maintained between the carrier plate 1212 and the bottom of the accommodation groove. The carrier plate 1212 is fixed with the carrier frame 1211 through L-shaped connecting blocks one 1213 at the left and right ends thereof. The first transverse driving unit 123 is fixed to the top of the carrier plate 1212.
[0064] The first transverse pushing device 124 comprises a second transverse driving unit 1241, a driving block 1242 and a first push rod assembly 1243. The second transverse driving unit 1241 is fixed to the bottom of the carrier plate 1212. The first push rod assembly 1243 is arranged in two and fixed to the front and rear ends of the driving block 1242. The driving end of the second transverse driving unit 1241 is connected with the driving block 1242. The second transverse driving unit 1241 is used for driving the driving block 1242 to move left to the left side of the material taking plate 122 and to move right to push the circuit board moved to the left end interior of the frame body 11 into the first layer frame 14.
[0065] The second lateral pushing device 125 is provided with two, and comprises a third lateral driving unit 1251 and a second pushing rod assembly 1252. The two third lateral driving units 1251 are arranged in the accommodating groove and fixedly connected with the carrier 1211. The driving end of the third lateral driving unit 1251 is drivingly connected with the second pushing rod assembly 1252. The third lateral driving unit 1251 is used to drive the second pushing rod assembly 1252 to push the circuit board pushed by the first pushing rod assembly 1243 into the first layer frame 14.
[0066] The taking plate 122 is slidingly matched with the object carrier 1212 through a guide assembly, which comprises a guide rail and a sliding block slidingly matched with the guide rail. The guide rail is transversely fixedly connected to the top of the object carrier 1212, and the sliding block is fixedly connected to the bottom of the right end of the taking plate 122. The left end of the object carrier 1212 is fixedly connected with a supporting rod body 1214, and the supporting rod body 1214 is rotatably connected with a roller in contact with the taking plate 122.
[0067] The driving block 1242 is slidingly matched with the object carrier 1212 through a guide assembly, which comprises a guide rail and a sliding block slidingly matched with the guide rail. The guide rail is transversely fixedly connected to the bottom of the object carrier 1212, and the sliding block is fixedly connected to the top of the driving block 1242.
[0068] The first lateral driving unit 123 and the second lateral driving unit 1241 are rodless air cylinders or linear slides. Preferably, the first lateral driving unit 123 and the second lateral driving unit 1241 are rodless air cylinders. The third lateral driving unit 1251 is an air cylinder or an electric push rod. Preferably, the third lateral driving unit 1251 is an air cylinder.
[0069] The first pushing rod assembly 1243 and the second pushing rod assembly 1252 each comprise a rod body one 12431 and a pushing block 12432. The top of the rod body one 12431 is provided with a groove. The pushing block 12432 is hingedly connected with the rod body one 12431 by a hinge shaft, with the left end of the pushing block 12432 being arranged in the groove. The top of the pushing block 12432 is provided with an inclined surface, and the right end of the bottom is provided with a reset spring 12433. The upper end of the reset spring 12433 is inserted into the blind hole of the bottom of the pushing block 12432 and abuts thereto. The lower end of the reset spring 12433 abuts the bottom of the groove. The left end of the bottom of the pushing block 12432 abuts a protruding block 12434 in the groove. The pressure inclined surface can make the pushing block 12432 rotate and be arranged in the groove. When the taking plate 122 drives the circuit board to move right and contact the upper inclined surface of the pushing block 12432, the pushing block 12432 can be driven to rotate and be arranged in the groove. When the circuit board moves to the right side of the pushing block 12432, the pushing block 12432 is reset to move upward at the right end under the action of the reset spring 12433. When the pushing block 12432 moves right, it can contact the left side of the circuit board, thereby pushing the circuit board to move right.
[0070] The left end and the right end of the carrier 1211 are respectively provided with a first limiting unit for limiting the moving stroke of the taking plate 122 and the driving block 1242, and the first limiting unit is a travel switch or a photoelectric switch. The upper part and the lower part of the left end of the frame body 11 and the upper part and the lower part of the right end are respectively provided with a second limiting unit for limiting the up-down moving stroke of the material stacking mechanism 12 and the material feeding mechanism 13, and the second limiting unit is a travel switch or a photoelectric switch. The first limiting unit and the second limiting unit are electrically connected with the control device, and the control device is electrically connected with the first driving device 15, the first transverse driving unit 123, the first transverse pushing device 124 and the second transverse pushing device 125, and the start-stop of each driving part is controlled by the control device to realize the driving action, and the control device is a single-chip microcomputer or an industrial computer and the like.
[0071] The structure of the material feeding mechanism 13 is the same as that of the material stacking mechanism 12, and the structure of the second driving device 16 is the same as that of the first driving device 15. When the material feeding mechanism 13 takes the material, the first transverse driving unit on the material feeding mechanism 13 drives the taking plate to move left into a first layer frame, and then the second driving device drives the material feeding mechanism to move up by a set height to make the taking plate hold the circuit board, and then the first transverse driving unit on the material feeding mechanism 13 drives the taking plate to move right, and then the second driving device 16 drives the taken circuit board to move up and be higher than the main conveying line 2 to be butt-jointed with the main conveying line 2, and then the first transverse pushing device and the second transverse pushing device on the first material feeding mechanism 13 cooperate to push the circuit board to the right to make the circuit board conveyed to the main conveying line 2.
[0072] The main conveying line 2 comprises a plurality of conveying mechanisms 21 arranged transversely and a transfer mechanism 22 arranged at the discharging end of the conveying mechanism 21, and a correcting mechanism 23 is arranged at the discharging end of each conveying mechanism 21, and the correcting mechanism 23 is used for centering the conveyed circuit board.
[0073] The conveying mechanism 21 comprises a mounting frame body 211, a support frame 212 supporting the mounting frame body 211, a connecting shaft rotatably connected to the left end of the mounting frame body 211, a power driving assembly 213 connected with the connecting shaft, and a speed-up chain 214. The mounting frame body 211 is composed of two rod bodies and a connecting base fixedly connected to the bottom of the right end of the rod body. Two speed-up chains 214 are matched with the mounting frame body 211. The left end of each speed-up chain 214 is connected with a driving sprocket on the connecting shaft, and the right end is connected with a driven sprocket rotatably matched with the right end of the mounting frame body 211. The power driving assembly 213 comprises a motor and a speed reducer connected with the output end of the motor. The motor and the speed reducer are electrically connected with the control device and controlled thereby. The speed reducer is fixedly connected to the mounting frame body 211 and its output end is connected with the connecting shaft for driving the connecting shaft to rotate, which in turn drives the two speed-up chains 214 to rotate for conveying the circuit board, i.e. conveying the circuit board to the right.
[0074] The transfer mechanism 22 comprises a first carrier plate 221, a rotary drive assembly 222, a second carrier plate 223, a first drive unit 224, and a transfer device 225.
[0075] The rotary drive assembly 222 is arranged below the first carrier plate 221 and is drivingly connected to the first carrier plate 221 to drive the first carrier plate 221 to rotate at a preset angle. Further, the rotary drive assembly 222 comprises a first motor 2221 and a rotary drive unit 2222, the output end of the first motor 2221 is connected to the input end of the rotary drive unit 2222, and the output end of the rotary drive unit 2222 is connected to the first carrier plate 221, wherein the first motor 2221 is a stepper motor or a servo motor, preferably a servo motor, the rotary drive unit 2222 is a hollow rotary platform or a cam divider, preferably a hollow rotary platform, and the bottom of the rotary drive unit 2222 is fixedly connected with a mounting seat 2223, which is mounted on a connecting bottom rod fixedly connected with the mounting frame 211 on the conveying mechanism 21.
[0076] The second carrier plate 223 is arranged above the first carrier plate 221. Between the first carrier plate 221 and the second carrier plate 223, two or three or four or more guide assemblies one 227 are arranged to limit the smooth up-and-down movement of the second carrier plate 223. In the embodiment, four guide assemblies one 227 are arranged between the first carrier plate 221 and the second carrier plate 223, two on the left end and two on the right end of the second carrier plate 223. The guide assembly one 227 comprises a guide column 2271 and a linear bearing 2272 in sliding cooperation with the guide column 2271. The guide column 2271 is fixedly connected to the first carrier plate 221, and the linear bearing 2272 is fixedly connected to the mounting hole on the second carrier plate 223.
[0077] The first drive unit 224 is fixedly connected to the first carrier plate 221 and is drivingly connected to the second carrier plate 223 to drive the second carrier plate 223 to move up and down. Further, the first drive unit 224 is a pneumatic cylinder or a hydraulic cylinder, preferably a pneumatic cylinder. The first drive unit 224 is provided with one or two, preferably two, and the two first drive units 224 are fixedly connected to the bottom of the left and right ends of the first carrier plate 221. The driving end of the first drive unit 224 penetrates through the through hole on the first carrier plate 221 and is fixedly connected to the second carrier plate 223.
[0078] The transfer device 225 is installed on the top of the second loading plate 223, used for receiving the transferred circuit board, further, the transfer device 225 comprises two side plates one 2251, a rotating shaft one 2252 rotatably connected to the left end of the two side plates one 2251, a driving wheel 2253 fixedly connected to the front and back ends of the rotating shaft one 2252, a driven wheel 2254 rotatably connected to the right end of the side plate one 2251, a transmission member 2255 sleeved with the driving wheel 2253 and the driven wheel 2254, a power assembly 2256 driving the rotating shaft one 2252 to rotate and fixedly connected with the side plate one 2251, and a connecting block two 2257 fixedly connected to the inner side of the side plate one 2251 and fixedly connected with the second loading plate 223, wherein, when the driving wheel 2253 and the driven wheel 2254 are both belt wheels 761, the transmission member 2255 is an O-shaped belt, when the driving wheel 2253 and the driven wheel 2254 are both sprocket wheels, the transmission member 2255 is a transmission chain, preferably, the driving wheel 2253 and the driven wheel 2254 are both belt wheels 761, and the transmission member 2255 is an O-shaped belt, the top of the transmission member 2255 is higher than the top of the side plate one 2251, and the driving wheel 2253 is driven to rotate by driving the rotating shaft one 2252 to rotate by the power assembly 2256, the driving wheel 2253 drives the transmission member 2255 to rotate, and further drives the circuit board placed on the transmission member 2255 to move.
[0079] The power assembly 2256 comprises a second motor 22561, a driving synchronous wheel 22562 connected with the output end of the second motor 22561, a driven synchronous wheel 22563 fixedly connected with the rotating shaft one 2252, and a synchronous belt one 22564 connected with the driving synchronous wheel 22562 and the driven synchronous wheel 22563, the second motor 22561 is a common motor, a servo motor or a stepping motor, which is selected according to the requirement, the second motor 22561 is arranged between the two side plates one 2251, the second motor 22561 is fixedly connected with four connecting rods two 2258, the connecting rods two 2258 are connected with the side plate one 2251, and a plurality of auxiliary wheels 2259 rotatably connected to the side plate one 2251 and in contact with the transmission member 2255 are arranged for supporting the transmission member 2255.
[0080] The right side of the transfer mechanism 22 is provided with a first stopper 2261 for stopping the circuit board, and the first stopper 2261 is connected with a first stopper driving unit 2262 for driving the first stopper 2261 to lift, the first stopper driving unit 2262 is fixedly connected to a connecting plate one 228, the connecting plate one 228 is fixedly connected with the first carrier plate 221, and the connecting plate one 228 is provided with two rows of adjusting mounting holes 2281 for adjusting the mounting position of the first stopper driving unit 2262. When the first stopper driving unit 2262 drives the first stopper 2261 to lift, the top of the first stopper 2261 is higher than the top of the conveying part 2255, and the circuit board is removed from the conveying part 2255. When the first stopper driving unit 2262 drives the first stopper 2261 to descend, the top of the first stopper 2261 is lower than the height of the top of the conveying part 2255, and the stop of the circuit board on the conveying part 2255 is released. The first stopper driving unit 2262 is a pneumatic cylinder or a hydraulic cylinder, and is preferably a pneumatic cylinder. After the transfer device 225 receives the circuit board, when the rotating driving assembly 222 does not drive the rotation, the transfer device 225 can convey the circuit board to the right of the transfer device 225 to the conveying mechanism 21 on the right side. When the rotating driving assembly 222 drives the first carrier plate 221 to rotate and the transfer device 225 rotates 90°, the discharge end of the transfer device 225 corresponds to the inlet end of the branch conveying line 5, and the circuit board can be conveyed to the branch conveying line 5. The electric control components on the transfer mechanism 22 and the electric control components on the branch conveying line 5 are electrically connected with the control device and are controlled by the control device.
[0081] The correction mechanism 23 comprises a bottom plate one 231, a correction frame 232, a linkage assembly 233, and a longitudinal driving device 234.
[0082] The bottom plate one 231 is arranged below the right end of the conveying mechanism 21, and the front and rear ends of the bottom plate one 231 are respectively provided with mounting plates one 2311. The mounting plates one 2311 are connected with the bottom plate one 231 by bolts, welding or one-piece forming, and in this embodiment, the mounting plates one 2311 are connected with the bottom plate one 231 by bolts. The mounting plates one 2311 are perpendicular to the bottom plate one 231, and the mounting plates one 2311 are fixedly connected with the mounting frame body 211 on the conveying mechanism 21.
[0083] The two correction frames 232 are longitudinally staggered and slidingly fitted on the top of the bottom plate 231. Further, the top of the bottom plate 231 is fixedly connected with two longitudinally arranged guide rails 2312, and the bottom of each correction frame 232 is fixedly connected with one or two or three sliding blocks 2321. In the embodiment, the bottom of each correction frame 232 is fixedly connected with two sliding blocks 2321, the sliding blocks 2321 are slidingly fitted on the guide rails 2312, and the sliding blocks 2321 and the guide rails 2312 realize the sliding fitting of the correction frame 232 and the bottom plate 231.
[0084] The two correction frames 232 are longitudally staggered and slidingly fitted on the top of the bottom plate 231. Further, the top of the bottom plate 231 is fixedly connected with two longitudinally arranged guide rails 2312, and the bottom of each correction frame 232 is fixedly connected with one or two or three sliding blocks 2321. In the embodiment, the bottom of each correction frame 232 is fixedly connected with two sliding blocks 2321, the sliding blocks 2321 are slidingly fitted on the guide rails 2312, and the sliding blocks 2321 and the guide rails 2312 realize the sliding fitting of the correction frame 232 and the bottom plate 231.
[0085] The linkage assembly 233 is arranged between and connected with the two correction frames 232, and is used to link and move the two correction frames 232 synchronously to drive the two correction members 237 to move close to or away from each other. Further, the linkage assembly 233 comprises a gear wheel 2331, two gear racks 2332, and a bearing 2333 arranged in the gear wheel 2331. The bottom plate 231 is fixedly connected with a connecting shaft 2313 by bolts, the connecting shaft 2313 is connected with the bearing 2333, and the two gear racks 2332 are longitudally arranged and engaged with the left and right ends of the gear wheel 2331, and are fixedly connected with the two correction frames 232.
[0086] The longitudinal driving device 234 is drivingly connected with one of the correction frames 232 to drive the correction frame 232 to move longitudally. The bottom plate 231 is fixedly connected with a mounting bracket 2314 provided with a avoiding gap, the longitudinal driving device 234 is fixedly connected with the mounting bracket 2314, the driving end of the longitudinal driving device 234 is connected with a mounting block 2315, and the mounting block 2315 is fixedly connected with the correction frame 232.
[0087] The right side of the correcting mechanism 23 is provided with a second stop piece 236 for stopping the conveying circuit board, the second stop piece 236 is connected with a second stop driving unit 235 for driving the lifting of the second stop piece 236, the second stop driving unit 235 is arranged on the right side of the bottom plate one 231, further, the right side of the bottom plate one 231 is fixedly connected with a support plate 2316 through bolts, and the second stop driving unit 235 is fixedly connected on the support plate 2316.
[0088] The longitudinal driving device 234 and the second stop driving unit 235 are air cylinders or hydraulic cylinders or electric push rods, but are not limited to these driving components, and can be other driving components with similar functions, and in the embodiment, the longitudinal driving device 234 and the second stop driving unit 235 are air cylinders.
[0089] After the correcting mechanism 23 is installed on the conveying mechanism 21 through the two installation plates one 2311, the two correcting pieces 237 are located on the front and back sides above the conveying mechanism 21, and the second stop piece 236 is located between the two speed chains 214 of the conveying mechanism 21, when the conveying mechanism conveys the circuit board from left to right, the second stop driving unit 235 drives the second stop piece 236 to move upward to stop the circuit board, when the circuit board contacts with the second stop piece 236, the longitudinal driving device 234 drives the two correcting frames 232 connected therewith to move to drive the two correcting pieces 237 thereon to approach each other and contact with the circuit board, so as to realize the center correction of the circuit board, then the longitudinal driving device 234 drives the two correcting pieces 237 to reset, the second stop driving unit 235 drives the second stop piece 236 to reset, then the conveying mechanism 21 conveys the corrected circuit board away, and the above steps are repeated to realize the continuous correction of the circuit board. The electric control components on the correcting mechanism 23 are electrically connected with the uniform control device and are controlled by the control device.
[0090] The structure of the branch conveying line 5 is the same as that of the conveying mechanism 21 on the main conveying line 2, which will not be introduced in detail here, and please refer to the structure of the conveying mechanism 21. When the branch conveying line 5 receives the circuit board at the feeding end (i.e. the end facing the correcting mechanism), the circuit board is conveyed to the discharging end.
[0091] The docking mechanism 6 comprises a mounting frame three 61 vertically guided with the mounting plate two 62 fixed on the bottom of the mounting frame body of the branch conveying line 5, the left and right ends of the mounting frame three 61 are respectively provided with third stop pieces 63 which are long strip-shaped angle irons, the third stop pieces 63 are respectively connected with third stop driving units 64 driving the third stop pieces 63 to lift, the third stop driving units 64 are fixed on the connecting block three 641, the connecting block three 641 is fixed with the mounting plate two 62, the mounting frame three 61 is vertically provided with a through slot for the mounting frame body on the branch conveying line 5, the middle of the mounting plate two 62 is provided with a lifting driving device one 65 for driving the mounting frame three 61 to lift, the mounting frame three 61 is connected with a transverse driving assembly 66, a first driving shaft 661 of the transverse driving assembly 66 is connected with a first power source 69, when the third stop pieces 63 are driven to lift, the circuit board conveyed by the branch conveying line 5 can be stopped on the branch conveying line 5, when the transverse driving assembly 66 is driven to lift, the circuit board above the transverse driving assembly 66 can be lifted and driven to move transversely and output.
[0092] The mounting frame three 61 comprises two side plates two 611, a connecting plate two 612 fixed with the two side plates two 611, two top plates 613 respectively fixed on the left and right sides of the side plate two 611, the connecting plate two 612 is above the mounting plate two 62, the connecting plate two 612 and the mounting plate two 62 are vertically slidably connected through four guiding assemblies two 614, the guiding assemblies two 614 comprise guide rods and linear bearings slidably connected with the guide rods, the upper ends of the guide rods are fixed with the connecting plate two 612, the linear bearings are fixed on the mounting plate two 62, the through slot is provided with two and vertically penetrates the upper parts of the two side plates two 611, the lifting driving device one 65 is fixed on the mounting plate two 62 and its driving end is connected with the connecting plate two 612, the top of the connecting plate two 612 is provided with two transversely arranged guide pieces 615, the two guide pieces 615 form a transversely structured guiding groove therebetween, the gap between the guiding groove and the two top plates 613 is in the same straight line, when the third stop driving units 64 drive the third stop pieces 63 to lift, the third stop pieces 63 can pass between the two top plates 613, when the positioning columns 100 at the bottom of the conveyed circuit board contact the third stop pieces 63, the circuit board can be positioned and stopped, when the lifting driving device one 65 drives the mounting frame three 61 to lift, the transverse driving assembly 66 can drive the circuit board to move transversely and output, the positioning column at the left end of the circuit board can pass through the guiding groove. The third stop driving units 64 and the lifting driving device one 65 are air cylinders or hydraulic cylinders or electric cylinders, preferably the third stop driving units 64 and the lifting driving device one 65 are air cylinders.
[0093] The transverse driving assembly 66 comprises a first driving shaft 661 and two second driving shafts 662 in rotational cooperation with the mounting rack three 61, and a second synchronous belt 663. The two second driving shafts 662 are arranged at the left and right ends of the mounting rack three 61. The upper end of the second synchronous belt 663 is connected with a synchronous wheel fixedly connected with the first driving shaft 661, and the other two ends are connected with synchronous wheels fixedly connected with the two second driving shafts 662 after passing through two deflection wheels in rotational cooperation with the mounting rack three 61. The first driving shaft 661 and the two second driving shafts 662 are respectively fixedly connected with driving pulleys at both ends. The driving pulleys at both ends of the first driving shaft 661 are respectively connected with first transmission belts 664. The driving pulleys at both ends of the two second driving shafts 662 are respectively connected with second transmission belts 665. The top of the first transmission belts 664 and the second transmission belts 665 is higher than the top of the mounting rack three 61 and is in a transverse horizontal state. The first transmission belts 664 and the second transmission belts 665 are respectively connected with a plurality of driven pulleys arranged on the side of the mounting rack three 61. The first driving shafts 661 of adjacent docking mechanisms 6 are connected through a shaft coupling. The first power source 69 is connected with the first driving shaft 661 on any one of the two docking mechanisms 6 at both ends through a shaft coupling. The first power source 69 comprises a motor and a speed reducer. The driving end of the motor is connected with the input end of the speed reducer. The output end of the speed reducer is connected with the first driving shaft 661 through a shaft coupling. The speed reducer is connected with one side of the mounting rack three 61 through a plurality of connecting rods.
[0094] The mounting frame three 61 on each docking mechanism 6 is provided with a material detection sensor for detecting whether there is material above it. The material detection sensor is arranged at the rear end or middle of the mounting frame three 61. The material detection sensor can be an optical sensor, a proximity switch sensor, a color sensor or the like, which is selected according to the need. The material detection sensor is electrically connected with a control device, which is electrically connected with the third stop driving unit 64 and the lifting driving device one 65, for controlling the work thereof. When the material is conveyed from the feeding end to the discharging end of the branch conveying line 5, the material detection sensor on the first mounting frame three 61 counted from the discharging end to the feeding end feeds back information to the control device when it detects the circuit board for the first time. The control device controls the third stop driving unit 64 at this position to drive the third stop piece 63 to move upward to stop the circuit board. The material detection sensor on the second mounting frame three 61 counted from the discharging end to the feeding end feeds back information to the control device when it detects the circuit board for the second time. The control device controls the third stop driving unit 64 at this position to drive the third stop piece 63 to move upward to stop the circuit board. The material detection sensors on the third, fourth, fifth and sixth mounting frames three 61 counted from the discharging end to the feeding end detect the circuit board for the third, fourth, fifth and sixth time respectively, and feed back information to the control device. The control device controls the third stop driving unit 64 at the corresponding position to drive the third stop piece 63 to move upward to stop the circuit board. When there is material above the six mounting frames three 61, the control device controls the six lifting driving devices one 65 to start simultaneously, drives the mounting frame three 61 to move upward to drive the horizontal driving assembly 66 to move upward, so that the first conveying belt 664 and the second conveying belt 665 contact and lift the circuit board. Then, the first power source 69 drives the first driving shaft 661 to rotate, which drives the other five first driving shafts 661 to rotate synchronously. The rotation of the first driving shaft 661 drives the second driving shaft 662 to rotate through the synchronous belt two 663, and then drives the first conveying belt 664 and the second conveying belt 665 to rotate simultaneously, so as to output multiple circuit boards to the board feeding and collecting mechanism 7 horizontally. Of course, after the circuit boards are output, the driving parts are reset, and the above steps are repeated to realize the continuous and synchronous output of the circuit boards. In addition, the first conveying belt 664 and the second conveying belt 665 can receive the circuit boards to the top when they rotate reversely simultaneously.
[0095] The board feeding and collecting mechanism 7 comprises a rack 71, a material rack 72 and a lifting driving device two 73.
[0096] The rack 72 is arranged in the frame 71, and the front and rear ends of the rack 72 are vertically movably connected with the frame 71 through two guide mechanisms 74 respectively. The rack 72 comprises a profiled bottom frame, two side plates fixed at the two ends of the bottom frame, a plurality of profiled rods vertically and spacedly arranged above the right end of the bottom frame, and a vertical connecting block vertically arranged and fixed with the plurality of profiled rods. The profiled rods are longitudinally arranged, and the two ends thereof are fixed with the two side plates. The guide mechanism 74 comprises a guide rail two 741 and a sliding block two 742. The guide rail two 741 is vertically fixed on the frame 71, and the sliding block two 742 is fixed on the rack 72 and slidably connected with the guide rail two 741.
[0097] A plurality of second layer racks 75 are vertically and spacedly arranged on the rack 72. The second layer rack 75 is arranged in one layer or two layers or three layers or more layers, and the number of layers is required to be arranged. The second layer rack 75 comprises a plurality of connecting plates three 751, two connecting rods three 752, and a plurality of bearing pieces 753. The right end of the connecting plate three 751 is fixed with the rack 72. The two connecting rods three 752 are longitudinally arranged and correspondingly inserted into the left and right ends of the connecting plate three 751. The left and right ends of the bearing piece 753 are provided with clamping grooves at the bottom. The two ends of the bearing piece 753 are correspondingly clamped on the two connecting rods three 752 through the clamping grooves.
[0098] A plurality of feeding driving assemblies 76 are longitudinally and spacedly arranged on each second layer rack 75. The number of the feeding driving assembly 76 on each second layer rack 75 is consistent with the number of the docking mechanism 6, and can be one by one left and right docking. Each feeding driving assembly 76 is provided with a material blocking piece 721 fixed with the rack 72 at the right side. The material blocking piece 721 is used to stop the material and prevent the material from falling from the right side of the rack 72. Each feeding driving assembly 76 on the second layer rack 75 is connected with a second power source 77. Further, the feeding driving assembly 76 comprises two groups of belt pulleys 761, two groups of third conveying belts 762, and a third driving shaft 763. The two groups of belt pulleys 761 are correspondingly rotatably connected with the left and right ends of the two bearing pieces 753. The two groups of third conveying belts 762 are correspondingly connected with the two groups of belt pulleys 761. Each group of third conveying belts 762 has two third conveying belts 762. The third conveying belt 762 is an O-shaped belt. The third driving shaft 763 is fixedly connected with the two belt pulleys 761 at the same end of the two bearing pieces 753. The third driving shaft 763 is rotatable to drive the two belt pulleys 761 to rotate. The third driving shaft 763 between adjacent feeding driving assemblies 76 is connected through a shaft coupling one 764. The second power source 77 is connected with the third driving shaft 763 on any one of the two feeding driving assemblies 76 at the two ends through a shaft coupling. The second power source 77 is a servo motor or a stepping motor or a servo reduction motor, and is fixedly connected with the rack 72.
[0099] The second lifting driving device 73 is drivingly connected with the rack 72, and is used to drive the rack 72 to move to a preset height, so that the plurality of feeding driving assemblies 76 on the second layer rack 75 and the plurality of docking mechanisms 6 are docked, and the circuit board output by the docking mechanism 6 is received synchronously, or the circuit board is output to the docking mechanism 6 synchronously. The preset height is provided with a plurality of preset heights. The second lifting driving device 73 comprises a lifting driving motor 731, a transmission rod 732, first bevel gears 733, second bevel gears 734, lead screws 735 and nuts 736. The lifting driving motor 731 is a servo motor or a stepping motor or a servo deceleration motor. The output end of the lifting driving motor 731 is drivingly connected with the transmission rod 732. The transmission rod 732 is connected with the first bevel gears 733. The two first bevel gears 733 are respectively engaged with the second bevel gears 734. The two second bevel gears 734 are correspondingly fixed at the lower ends of the two lead screws 735. The lead screws 735 are vertically arranged and are rotatably connected with the rack 71. The two nuts 736 are correspondingly fixed at the front and rear ends of the rack 72, and are correspondingly threadedly matched with the two lead screws 735.
[0100] The guiding piece 78 is arranged in each feeding driving assembly 76. The guiding piece 78 is provided with a guiding groove for ensuring the linear conveying of the circuit board. The top surface height of the guiding piece 78 is lower than the top surface height of the third conveying belt 762. When the circuit board is conveyed to or output from the feeding driving assembly 76, the positioning column 100 at the bottom of the circuit board is arranged in the guiding groove of the guiding piece 78, and can move along the guiding groove, so as to ensure the linear conveying of the circuit board.
[0101] The rack 71 is provided with positioning devices 79 on one side for positioning the output position of the circuit board, the number of the positioning devices 79 is the same as that of the feeding driving assemblies 76, and the positioning devices 79 can correspond to the feeding driving assemblies 76 one by one from left to right, that is, when the rack 72 drives a second layer rack 75 to rise to the same height as the positioning devices 79, the plurality of positioning devices 79 correspond to the plurality of feeding driving assemblies 76 one by one from left to right. The positioning device 79 comprises a positioning rack 791, a first positioning driving unit 792, a second positioning driving unit 793, a Z-shaped rack 794, an L-shaped rack 795, and a positioning block 796. The positioning rack 791 has a structure of a trilobate, and is fixedly connected to the rack 71. The first positioning driving unit 792 is fixedly connected to the positioning rack 791. The driving end of the first positioning driving unit 792 is connected to the Z-shaped rack 794, and is used to drive the Z-shaped rack 794 to rise and fall. The second positioning driving unit 793 is fixedly connected to the front end of the Z-shaped rack 794. The driving end of the second positioning driving unit 793 is connected to the L-shaped rack 795, and is used to drive the L-shaped rack 795 to move longitudinally. The positioning block 796 is fixedly connected to the top of the L-shaped rack 795. The top of the positioning block 796 is provided with a positioning groove 7961, a through groove 7962, and a resilient connecting piece 797 used to abut the positioning column 100 at the bottom of the circuit board in the positioning groove 7961. The positioning groove 7961 extends from the right side of the positioning block 796 into the positioning block 796. The through groove 7962 penetrates through the positioning block 796. The resilient connecting piece 797 is hingedly connected to the positioning block 796. The resilient connecting piece 797 has an abutting portion 7971 and a stop portion 7972 at the back side. The abutting portion 7971 is located at one side of the positioning groove 7961. The stop portion 7972 is in abutment with the positioning block 796 at the back side. The resilient connecting piece 797 is provided with a spring groove at the right side. The spring groove is matched with a spring 798 in abutment with the resilient connecting piece 797. The other end of the spring 798 is in abutment with the positioning block 796. When the first positioning driving unit 792 drives the positioning block 796 to move upward by a predetermined height, the second positioning driving unit 793 can drive the positioning block 796 to move longitudinally, so that the positioning groove 7961 or the through groove 7962 corresponds to the guide groove on the guide piece 78. The guide piece 78 has a rod structure, and is composed of one or two segments. In this embodiment, the guide piece 78 is composed of two segments. One segment of the guide piece 78a is arranged on the two connecting rods three 752, and the two sides are connected with limiting pieces. The limiting pieces are clamped with the connecting rods three 752. The other segment of the guide piece 78b is fixedly connected with the positioning rack 791 at the left end.
[0102] The first positioning driving unit 792 and the second positioning driving unit 793 are gas cylinders or electric push rods, and are preferably gas cylinders.
[0103] The positioning block 796 is provided with a material detection sensor one 799 for detecting whether there is a positioning column 100 in the positioning groove 7961. The material detection sensor one 799 is an optical sensor or a proximity switch sensor or a color mark sensor, etc., which is selected according to the need. The material detection sensor one 799 is electrically connected with a control device, which is electrically connected with the second power source 77, the lifting driving motor 731, the first lifting driving device two 73, the first positioning driving unit 792 and the second positioning driving unit 793, for controlling the start and stop of each driving part.
[0104] The feeding and receiving mechanism 7 is located on the feeding side of the board punching machine platform 4, a plurality of positioning devices 79 correspond to the feeding port of the board punching machine platform 4, and the lifting driving device two 73 can drive the material rack 72 to move upward by a preset height, so that any second layer rack 75 corresponds to and docks with the docking mechanism 6, a plurality of docking mechanisms 6 output a plurality of circuit boards at the same time, and the feeding driving assembly 76 and the second power source 77 cooperate to receive the plurality of circuit boards conveyed, that is, the second power source 77 drives the third conveying belt 762 on the feeding driving assembly 76 to rotate clockwise, and the circuit board is received through the third conveying belt 762. During the conveying process, the positioning column at the bottom of the circuit board enters the guide groove on the guide piece 78. When the circuit board needs to be output from the feeding driving assembly 76 to the board punching machine platform 4, the lifting driving device two 73 drives the second layer rack 75 on which the circuit board is placed to move and correspond to the positioning device 79, and the second positioning driving unit 793 drives the positioning block 796 to move longitudinally, so that the positioning groove 7961 corresponds to the guide groove on the guide piece 78. Then, the feeding driving assembly 76 and the second power source 77 cooperate to synchronously convey a plurality of circuit boards, that is, the second power source 77 drives a plurality of third driving shafts 763 on the feeding driving assembly 76 to rotate synchronously, a plurality of third driving shafts 763 rotate to drive a plurality of belt pulleys 761 to drive the third conveying belt 762 to rotate counterclockwise, the third conveying belt 762 rotates to output the circuit board, the positioning column 100 at the bottom of the circuit board slides out of the guide groove and enters the positioning groove 7961 from the right side of the positioning groove 7961. When the positioning column moves to the left end of the positioning groove 7961, the positioning column 100 is mostly located on the left side of the abutting portion 7971 of the abutting piece 797, the abutting piece 797 rotates clockwise to make the left side of the abutting portion 7971 of the abutting piece 797 contact or keep a small gap with the right end of the positioning column, and the positioning column is positioned. At the same time, the material detection sensor one 799 detects the feedback information of the positioning column to the control device, and the control device is electrically connected with the control host of the board punching machine platform 4, which is used to feed the information that the positioning device 79 has positioned the circuit to the control host, so that the control host controls the material taking mechanism 8 installed in the board punching machine platform 4 to synchronously grab the circuit board. Then, the first positioning driving unit 792 drives the Z-shaped frame 794 to drive the positioning block 796 to move downward, so that the positioning column 100 on the circuit board is separated from the positioning groove 7961, and the material taking mechanism 8 moves the circuit board into the board punching machine platform 4. When the circuit board is processed and needs to be conveyed to the feeding driving assembly 76, the first positioning driving unit 792 drives the Z-shaped frame 794 to drive the positioning block 796 to move upward, and the second positioning driving unit 793 drives the positioning block 796 to move longitudinally, so that the through groove one 7962 corresponds to the guide groove on the guide piece 78. The material taking mechanism 8 in the board punching machine platform 4 grabs the circuit board and places it above the positioning device 79. At this time, a part of the circuit board is located above the positioning device 79, and a part of the circuit board is located on the feeding driving assembly 76,The third conveying belt 762 is driven clockwise by the feeding driving assembly 76 and the second power source 77, so that the circuit board is conveyed to the feeding driving assembly 76.
[0105] The taking mechanism 8 is arranged in the feeding port of the plate punching machine 4. The taking mechanism 8 comprises a taking power source 81, a driving rod 82, a plurality of second screw rods 83, a taking bottom plate 84 and a plurality of grabbing assemblies 85. The taking power source 81 is fixedly connected to one end of a mounting rod 86. The driving rod 82 is rotatably connected to one side of the mounting rod 86. The taking power source 81 is connected with the driving rod 82 arranged in the longitudinal direction, for driving the driving rod 82 to rotate. The driving rod 82 is drivingly connected with the plurality of second screw rods 83 arranged in the transverse direction through a transmission assembly 87, for driving the second screw rods 83 to rotate. Further, the transmission assembly 87 comprises a plurality of first bevel gears 871 fixedly sleeved on the driving rod 82, a second bevel gear 872 engaged with the first bevel gears 871, a vertical rotating shaft 873 fixedly connected with the second bevel gear 872, a third bevel gear 874 fixedly connected to a lower end of the vertical rotating shaft 873, a fourth bevel gear 875 engaged with the third bevel gear 874 and fixedly connected to one end of the second screw rod 83. The vertical rotating shaft 873 is rotatably connected to a rotating shaft seat 88. The second screw rod 735 is rotatably connected to a lower end of the rotating shaft seat 88. The rotating shaft seat 88 is fixedly connected to the mounting rod 86. The second screw rod 83 is threadedly connected with a second nut 89 fixedly connected to the taking bottom plate 84. The plurality of grabbing assemblies 85 are fixedly connected to the taking bottom plate 84, for grabbing the circuit board. The grabbing assembly 85 comprises a driving cylinder 851, a rack three 852 connected with a driving end of the driving cylinder 851, a gear three 853 engaged with the rack three 852, the gear three 853 connected to a gear shaft, a clamping jaw 854 fixedly connected to the gear shaft, the gear shaft rotatably connected to two mounting blocks one 855, the two mounting blocks one 855 fixedly connected to the taking bottom plate 84, the driving end of the driving cylinder 851 extended to drive the rack three 852 to move left, the rack three 852 moving left to drive the gear three 853 to rotate, the gear shaft rotating to drive the clamping jaw 854 to rotate. The two grabbing assemblies 85 are a group and simultaneously started through a control device. The two clamping jaws 854 rotating can clamp the circuit board below the taking bottom plate 84 to the bottom of the taking bottom plate 84. The second screw rod 83 rotating can drive the taking bottom plate 84 to move left and right with the grabbing assembly 85, so as to realize taking and discharging. The circuit board output by the plate feeding and collecting mechanism 7 is taken away and placed on the drilling station of the plate punching machine 4, for drilling processing. Or the circuit board drilled on the drilling station of the plate punching machine 4 is taken away and placed on the plate feeding and collecting mechanism 7.
[0106] The above only describes some embodiments of the present application. Without departing from the concept of the present application, those skilled in the art can make several modifications and improvements, which are all within the protection scope of the present application.
Claims
1. An improved circuit board punching apparatus, characterized by, The utility model relates to a kind of material temporary storage and feeding system, including: Temporary storage and feeding shelf is used to receive material for temporary storage and feeding; Main conveying line, the feeding end corresponds with the discharging end of the temporary storage and feeding shelf, for receiving the material output by temporary storage and feeding shelf; Punching machine table, it is equipped with multiple drilling stations and multiple drilling machines on the main conveying line side, and upper side is equipped with feeding port; Branch conveying line, it is equipped on the punching machine table, for receiving the material transferred by the intermediate transfer mechanism on the main conveying line; Docking mechanism, it is equipped with multiple and installed on the branch conveying line, for synchronously outputting the material received on the branch conveying line; Plate feeding and collecting mechanism, it is equipped on the rear side of the punching machine table, for receiving the material output by the docking mechanism and conveying the material to the side of the punching machine table, so that the material placed on the drilling station in the punching machine table is taken away by the material taking mechanism in the punching machine table, and the material taking mechanism is also used to take away the material after drilling and convey to the plate feeding and collecting mechanism, so that the material after drilling is conveyed to the docking mechanism by the plate feeding and collecting mechanism, and the material after drilling is placed on the branch conveying line by the docking mechanism; The main conveying line includes multiple conveying mechanisms arranged transversely, and intermediate transfer mechanism arranged at the discharging end of the conveying mechanism, the material inlet end of the branch conveying line corresponds with the intermediate transfer mechanism, and the discharging end of each conveying mechanism is equipped with a correcting mechanism for centering the conveyed material; The intermediate transfer mechanism includes: a first carrier plate, a rotary drive assembly, a second carrier plate, a first drive unit, and a transfer device, the rotary drive assembly is arranged below the first carrier plate and is drivingly connected thereto to drive the first carrier plate to rotate at a predetermined angle, the second carrier plate is spaced apart above the first carrier plate, the first drive unit is fixedly connected to the first carrier plate and is drivingly connected to the second carrier plate to drive the second carrier plate to ascend and descend, and the transfer device is installed on the top of the second carrier plate, which is used to receive the material output by one of the conveying mechanisms on the main conveying line and convey it to another conveying mechanism, or receive the material output by the conveying mechanism on the main conveying line and convey it to the branch conveying line after rotation.
2. The improved circuit board punching apparatus according to claim 1, wherein The temporary storage and feeding shelf includes: A shelf body, multiple first shelves for placing materials are vertically spaced apart in the middle part of the shelf body; A material stacking mechanism is arranged at the left end of the shelf body and vertically slides with the shelf body through a guide assembly, a first drive device for driving the material stacking mechanism to ascend and descend is arranged between the material stacking mechanism and the shelf body, when the first drive device drives the material stacking mechanism to ascend to a predetermined height, the material stacking mechanism corresponds to one of the first shelves, and is used to place the taken material on the corresponding first shelf; A feeding mechanism is arranged at the right end of the shelf body and vertically slides with the shelf body through a guide assembly, a second drive device for driving the feeding mechanism to ascend and descend is arranged between the feeding mechanism and the shelf body, when the second drive device drives the feeding mechanism to ascend to a predetermined height, the feeding mechanism corresponds to one of the first shelves, and is used to take away the material on the corresponding first shelf and feed it to the main conveying line.
3. The improved circuit board punching apparatus as claimed in claim 1, wherein The correction mechanism comprises a bottom plate one, a correction frame, a linkage assembly, and a longitudinal driving device. The bottom plate one is arranged below the conveying mechanism and is fixed to the conveying mechanism through front and rear mounting plates one. The correction frame is provided with two correction frames which are longitudinally staggered and slidingly fitted on the top of the bottom plate one. The upper ends of the opposite sides of the two correction frames are respectively provided with front and rear corresponding correction members. The linkage assembly is arranged between and connected to the two correction frames. The linkage assembly is used to link and synchronously move the two correction frames to drive the two correction members to approach or move away from each other, thereby realizing the centering correction of the material. The longitudinal driving device is drivingly connected to one of the correction frames to drive the longitudinal movement of the correction frame.
4. The improved circuit board punching apparatus as claimed in claim 3, wherein The right side of the transfer mechanism is provided with a first stop member for stopping the conveying material. The first stop member is connected to a first stop driving unit for driving the lifting of the first stop member. The right side of the correction mechanism is provided with a second stop member for stopping the conveying material. The second stop member is connected to a second stop driving unit for driving the lifting of the second stop member.
5. The improved circuit board punching apparatus as claimed in claim 1, wherein, The docking mechanism comprises a mounting frame three which is vertically guided and fitted with a mounting plate two fixed to the mounting frame body bottom plate of the branch conveying line. The left and right ends of each mounting frame three are respectively provided with a third stop member. The third stop member is connected to a third stop driving unit for driving the lifting of the third stop member to stop the material. A through slot is longitudinally arranged on the mounting frame three for placing the mounting frame body on the branch conveying line. A lifting driving device one is mounted on the mounting plate two for driving the lifting of the mounting frame three. A transverse driving assembly is connected to the mounting frame three. A first driving shaft of the transverse driving assembly is connected to a first power source. When the third stop member is driven to rise, the material conveyed by the branch conveying line can be stopped above the transverse driving assembly. When the transverse driving assembly is driven to rise, the material above the transverse driving assembly can be lifted and driven to move horizontally to the plate feeding and collecting mechanism, or the material output by the plate feeding and collecting mechanism can be received.
6. The improved circuit board punching apparatus as claimed in claim 1, wherein, The plate feeding and collecting mechanism comprises a rack, a material rack, and a lifting driving device two. The rack is arranged at the rear side of the puncher. The material rack is arranged in the rack and is vertically movably fitted with the rack through a guide mechanism. A plurality of second layer racks are vertically and spacedly arranged on the material rack. A plurality of feeding driving assemblies are arranged on each second layer rack. Each feeding driving assembly is connected to a second power source. The lifting driving device two is drivingly connected to the material rack for driving the material rack to move to a predetermined height so that the plurality of feeding driving assemblies on the second layer rack can receive or synchronously output the material.
7. The improved circuit board punching apparatus as claimed in claim 6, wherein A material blocking member fixed to the material rack is arranged at the right side of each feeding driving assembly. A guide member is arranged in each feeding driving assembly. A guide groove for ensuring the straight conveying of the material is arranged on the guide member. A positioning device for positioning the output position of the material is arranged on one side of the rack. The number of the positioning devices is the same as the number of the feeding driving assemblies, and the positioning devices can correspond to the feeding driving assemblies one by one.
8. The improved circuit board punching apparatus as claimed in claim 1, wherein, The taking mechanism comprises a taking power source, a driving rod, a second screw rod, a taking bottom plate and a grabbing assembly. The taking power source is connected with the longitudinally arranged driving rod and is used to drive the driving rod to rotate. The driving rod is in transmission connection with a plurality of transversely arranged second screw rods through a transmission assembly, and the second screw rods are driven to rotate. The second screw rods are in threaded connection with nuts fixed on the taking bottom plate. The grabbing assembly is fixed on the taking bottom plate and is used to grab materials. The second screw rods are driven to rotate, so that the taking bottom plate and the grabbing assembly are driven to move leftward and rightward.
Citation Information
Patent Citations
PCB transfer device and PCB conveying system
CN111571313A
Online puncher of multistation
CN207735617U