CN108161208B - Rotary automatic hot-press welding device - Google Patents
Rotary automatic hot-press welding device Download PDFInfo
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- CN108161208B CN108161208B CN201810183529.XA CN201810183529A CN108161208B CN 108161208 B CN108161208 B CN 108161208B CN 201810183529 A CN201810183529 A CN 201810183529A CN 108161208 B CN108161208 B CN 108161208B
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- plate
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- 238000003466 welding Methods 0.000 title claims abstract description 68
- 230000007246 mechanism Effects 0.000 claims abstract description 77
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 26
- 230000008569 process Effects 0.000 abstract description 22
- 238000007731 hot pressing Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005476 soldering Methods 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/02—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press ; Diffusion bonding
- B23K20/023—Thermo-compression bonding
Abstract
The invention discloses a rotary automatic hot-press welding device which comprises a workbench, a rotating disc rotationally connected to the workbench, a jig disc, a welding mechanism, a main rotation driving mechanism, a sub rotation driving mechanism and a clutch mechanism. In the process of automatically switching and operating the clamping stations on one jig plate, an operator can clamp workpieces on the other jig plate, and clamp 4 stations at a time, so that the efficiency is high; when one jig plate finishes the operation, the working position can be switched with the other jig plate, and when the working staff automatically works on the one jig plate, the working position on the other jig plate can be clamped in the same way, so that the frequency of starting and stopping the workpiece clamping is low, and the operation is simple, convenient and efficient.
Description
Technical Field
The invention relates to the field of automatic welding of PCB boards, in particular to a rotary automatic hot-press welding device.
Background
In PCBA production process, often meet soft board, display screen and hard board and carry out the welding process of welding combination, the welding process of display screen winding displacement needs steady hot pressing welding platform, and the welding requirement is high.
In the prior art, as shown in fig. 8, an operator needs to install materials in order in the circumferential direction of a rotating disc, and at this time, the apparatus is in a standby state. After the machine is completely stacked, the machine works, feeding and equipment operation cannot be synchronously coordinated, and production efficiency is low. Usually, the work piece loading and unloading of staff is also required to be the carousel once to rotate one operation once, loads and unloads once, and the staff is easy in hand and busy, and the error rate is high.
Disclosure of Invention
The invention aims to provide a rotary automatic hot-press welding device, wherein a rotating disc and a jig disc can be switched at multiple stations, so that the waiting time of workers is eliminated, the device can be continuously produced and assembled and disassembled, and the device has the advantage of improving the social productivity.
The technical aim of the invention is realized by the following technical scheme: the rotary automatic hot-press welding device comprises a workbench, a rotating disc rotationally connected to the workbench, a jig disc, a welding mechanism, a main rotation driving mechanism, a sub rotation driving mechanism and a clutch mechanism;
the jig disc is arranged on the upper surface of the rotating disc and is circumferentially distributed with the circle center of the rotating disc, and clamping stations are distributed in the circumferential direction of the jig disc;
the welding mechanism comprises a moving device and a hot-press welding head, and the lifting control controls the hot-press welding head to descend and contact with a workpiece on the clamping station;
the main rotation driving mechanism is arranged below the center of the rotating disc and connected with the center of the rotating disc to drive the rotating disc to rotate;
the sub-rotation driving mechanism is arranged below the rotating disc and corresponds to the center of the jig disc after the rotating disc rotates;
the clutch mechanism comprises a lifting device, a first connector and a second connector, wherein the first connector is arranged between the jig disc and the rotating disc, the first connector enables the jig disc to be connected with the rotating disc in a rotating mode, the second connector is driven to rotate by the child rotation driving mechanism, the lifting device is connected with and separated from the first connector through lifting motion, the rotation of the jig disc is achieved when the first connector is connected with the second connector, and the jig disc is movable when the first connector is separated from the second connector.
Through adopting above-mentioned technical scheme, the operator is outside the cover, fixes the PCB board and the flexible circuit board that are in the same place initially on the clamping station, through rotatory tool dish, realizes the material loading of each clamping station on the tool dish that is located the cover outside. Meanwhile, the sub-rotation driving mechanism drives the jig disc to rotate, the PCB is rotated to the position below the hot-press welding joint, the hot-press welding joint moves downwards under the drive of the first air cylinder, and the soldering tin at the primary connection position of the PCB and the flexible circuit board is melted and fixed, so that the connection of the PCB and the flexible circuit board is realized; then the sub-rotation driving mechanism drives the jig disc to rotate, the upper clamping station and the lower clamping station of the jig disc are rotated to the position below the hot-press welding joint, and the jig disc is fixed again; after all hot pressing welded fastening, clutch mechanism breaks away from, and main rotation actuating mechanism rotates, rotates the internal welding of cover to the other tool dish that will be located the cover outside, and the operator dismantles the PCB board on the tool dish after the welding is accomplished this moment to install the PCB board that needs fixed, production efficiency is higher.
Preferably, the clutch mechanism comprises a fixed plate connected with the workbench and a lifting plate connected on the fixed plate in a sliding manner, the sub-rotation driving mechanism is arranged on the lifting plate, the movable end of the lifting device is connected with the lifting plate, and the fixed end of the lifting device is connected with the fixed plate.
Through adopting above-mentioned technical scheme, lifter plate and fixed plate have played the effect of supporting and location, reduce the vibration in the elevating gear action process, improve clutch mechanism's location precision.
Preferably, the first connector comprises a fixed seat and a rotating seat, the fixed seat is connected with the rotating disc, the rotating seat is connected with the fixed seat through a bearing, the top end of the rotating seat is fixedly connected with the jig disc, and the bottom end of the rotating seat is matched with the top end of the second connector.
Through adopting above-mentioned technical scheme, rotate seat and fixing base and played the effect of rotation and support, guarantee the rotation of tool dish on the rolling disc, the bottom fixed connection of second connector and rotation seat has realized son rotation actuating mechanism control tool dish and has rotated at clutch mechanism connection in-process.
Preferably, the second connector is provided with a coupling block, and the bottom end of the rotating seat is provided with a coupling groove matched with the coupling block.
By adopting the technical scheme, the coupling blocks are mutually matched with the coupling grooves in the height direction, and the connection and disconnection of the first connector and the second connector are realized in the moving process of the first connector and the second connector in the height direction; simultaneously, after the first connector rotates in the horizontal direction, torque force is transmitted through the coupling block and the coupling groove.
Preferably, a displacement sensor is arranged at the bottom of the rotating disc, and the displacement sensor detects the rotation amount of the jig disc through light reflection.
Through adopting above-mentioned technical scheme, the tool dish is rotating the in-process of changing the clamping station, and through the rotation quantity of displacement sensor control son rotation actuating mechanism, forms the negative feedback and adjusts, makes the position location of clamping station on the tool dish accurate.
Preferably, positioning columns are distributed in the circumferential direction of the jig disc, and positioning grooves matched with the positioning columns are distributed in the circumferential direction of the rotating seat.
By adopting the technical scheme, the positioning column is matched with the positioning groove, so that the shaking of the disc body in the circumferential direction in the working process is reduced; in the process of sleeving and installing the tray body, the position of the first accommodating groove on the tray body can be positioned by referring to the positioning column, so that the installation error is reduced, and the machining precision is improved.
Preferably, the number of the jig discs is two, and the jig discs are symmetrically arranged on the rotating disc.
Through adopting above-mentioned technical scheme, wherein a tool dish is at hot press welding's in-process, and the operator carries out clamping material loading to another tool dish, has improved production efficiency, can select to increase the quantity of tool dish and/or welding mechanism according to the length of time of assembly simultaneously, further improves fault-tolerant rate and production efficiency.
Preferably, the position of the bottom of the rotating disc, which corresponds to the jig disc in the radial direction, is provided with a label, and the workbench is provided with a detection device for identifying the label.
Through adopting above-mentioned technical scheme, fix a position the position of the tool dish of the relative sign subsides's setting on the rolling disc, improve the rotation precision of main rotation actuating mechanism.
Preferably, the moving device comprises a fixed table, a first cylinder and a lifting guide rod, wherein the first cylinder is fixed on the fixed table, a piston rod of the first cylinder is connected with the hot-press welding joint, and the lifting guide rod is arranged between the fixed table and the hot-press welding joint.
By adopting the technical scheme, the first cylinder acts, the hot-press welded joint is welded, and the lifting guide rod performs deviation correction in the lifting process.
Preferably, the clamping station comprises a first accommodating groove which is arranged on the jig disc and used for accommodating the PCB, a second accommodating groove which is arranged in the accommodating groove and used for accommodating the chip, an elastic pressing block which is horizontally and rotationally connected to the jig disc, and a clamping mechanism which is vertically and rotationally connected to the jig disc.
By adopting the technical scheme, the positioning accuracy and clamping firmness of the PCB are improved.
In summary, the invention has the following beneficial effects: in the process of automatically switching and operating the clamping stations on one jig plate, an operator can clamp workpieces on the other jig plate, and clamp 4 stations at a time, so that the efficiency is high; when one jig plate finishes the operation, the working position can be switched with the other jig plate, and when the working staff automatically works on the one jig plate, the working position on the other jig plate can be clamped in the same way, so that the frequency of starting and stopping the workpiece clamping is low, and the operation is simple, convenient and efficient.
Drawings
FIG. 1 is a schematic view of the overall structure of a rotary hot press apparatus;
FIG. 2 is a schematic structural view of a rotary automatic thermocompression bonding apparatus;
FIG. 3 is an enlarged schematic view of the portion A shown in FIG. 2
FIG. 4 is a schematic view of the position and configuration of the primary rotary drive mechanism;
FIG. 5 is a schematic view of the location and configuration of the welding mechanism;
FIG. 6 is a schematic diagram of a jig tray;
FIG. 7 is an enlarged schematic view of portion B of FIG. 6;
FIG. 8 is a schematic diagram of a structure of a rotary disk of the background art;
in the figure, 1, a workbench; 11. a rotating disc; 12. a cover body; 13. a displacement sensor; 14. a rotation hole; 15. a label; 16. a detection device; 2. a jig plate; 21. a tray body; 22. clamping stations; 23. positioning columns; 24. a positioning groove; 25. a baffle; 251. a vent hole; 3. a welding mechanism; 31. a mobile device; 311. a fixed table; 312. a first cylinder; 313. lifting guide rods; 32. hot-press welding head; 33. a first accommodation groove; 34. a second accommodation groove; 35. an elastic pressing block; 36. a clamping mechanism; 361. a rotating table; 362. a rotating plate; 363. a buckling plate; 364. a clamping column; 365. a clamping groove; 366. a third accommodation groove; 37. a clamping plate; 38. a fourth accommodating groove; 4. a main rotation driving mechanism; 5. a sub-rotation driving mechanism; 6. a clutch mechanism; 61. a lifting device; 62. a first connector; 621. a fixing seat; 622. a rotating seat; 623. a coupling block; 624. a coupling groove; 63. a second connector; 64. a lifting plate; 65. a fixing plate; 66. a fixed end; 67. a movable end.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Examples: the utility model provides a rotatory hot pressing equipment, including the frame, set up workstation 1 in the frame, set up the automatic hot pressing welding device of rotation type in the frame (the overall structure of the automatic hot pressing welding device of rotation type is as shown in fig. 2), be provided with the cover body 12 in the frame, the cover body 12 has mainly played dustproof and ensure user's safe effect, a part of the automatic hot pressing welding device of rotation type is located workstation 1 below, another part of the automatic hot pressing welding device of rotation type is located workstation 1 top and in and out in the cover body 12 in the rotatory in-process.
The working principle of the device is that the PCB and the flexible circuit board are welded and fixed in a hot-pressing mode through a heating mode, wherein the welding of the two words is understood as a mode of connecting the PCB and the flexible circuit board, and the welding mode is not limited by the mode of melting metal.
As shown in fig. 1 and 2, the main body of the rotary automatic thermocompression bonding device is a rotating disc 11, and the rotating disc 11 is rotatably connected above the workbench 1 and realizes rotation through a main rotation driving mechanism 4 positioned below the workbench 1; as shown in fig. 2 and 4, the main rotation driving mechanism 4 is a motor, the motor shaft of which is connected to the center of the rotating disc 11 through a bearing or the like (for determining the relative movement position of the rotating shaft and other parts, for supporting or guiding) element, and drives the rotating disc 11 to rotate in the horizontal direction.
As shown in fig. 2, two jig plates 2 are rotatably connected in the circumferential direction of the rotating plate 11, and each jig plate 2 is provided with clamping stations 22 for clamping the PCB board, in this embodiment, the clamping stations 22 are four and distributed around the circumferential direction of the jig plate 2, and the specific clamping structure and clamping mode of the clamping stations 22 will be clarified in the following document.
As shown in fig. 2, a welding mechanism 3 is arranged above the rotating disc 11, the welding mechanism 3 comprises a fixed table 311 with an inverted U shape, a first cylinder 312 (i.e. a moving device 31) is inverted on the fixed table 311, and a shell of the first cylinder 312 is connected to the fixed table 311; as shown in fig. 3, a piston rod of the first cylinder 312 passes through the fixing table 311 and then is connected with the thermocompression bonding connector 32, and in a space relation, the position of the thermocompression bonding connector 32 corresponds to a welding point on the PCB in the clamping station 22 on the jig tray 2, and the contact between the thermocompression bonding connector 32 and the PCB is realized by lifting the first cylinder 312.
As shown in fig. 3, in order to improve the guiding stability of the first cylinder 312 and the hot pressing accuracy of the hot-press welded joint 32, a lifting guide 313 is slidingly connected to the fixing table 311, the bottom end of the lifting guide 313 is fixedly connected to the hot-press welded joint 32, and the top end of the lifting guide 313 is not fixed.
As shown in fig. 4 and 5, the lower surface of the workbench 1 is provided with a sub-rotation driving mechanism 5 and a clutch mechanism 6 which are positioned right below the welding mechanism 3 and are used for realizing the automatic rotation of the locked control jig tray 2 and the automatic rotation of the released control jig tray 2.
The sub-rotation driving mechanism 5 is a motor, and the motor shaft of the motor is locked with and separated from the jig plate 2 through the clutch mechanism 6.
As shown in fig. 4, after the clutch mechanism 6 is locked, the sub-rotation driving mechanism 5 (i.e. a motor) is connected with the center of the jig tray 2, and controls the jig tray 2 to rotate, so that each device station on the jig tray 2 is sequentially rotated below the welding head; after the clutch structure is separated from the locking, the jig plate 2 can rotate freely, and an operator can disassemble and assemble the PCB on the jig plate 2.
The main working principle of the embodiment is as follows: the operator fixes the initially fixed PCB and the flexible circuit board on the clamping stations 22 outside the cover body 12, and realizes the feeding of each clamping station 22 on the jig plate 2 outside the cover body 12 by rotating the jig plate 2. Meanwhile, in the cover body 12, the jig plate 2 is driven by the sub-rotation driving mechanism 5 to rotate, the PCB is rotated to the lower part of the hot-press welding joint 32, the hot-press welding joint 32 moves downwards under the drive of the first air cylinder 312, and soldering tin at the primary connection position of the PCB and the flexible circuit board is melted and fixed, so that the connection of the PCB and the flexible circuit board is realized; then the sub-rotation driving mechanism 5 drives the jig plate 2 to rotate, the next clamping station 22 on the jig plate 2 is rotated to the lower part of the hot-press welding joint 32, and the fixing is performed again; after all the hot pressing welding is fixed, the clutch mechanism 6 is disengaged, the main rotation driving mechanism 4 rotates, the other jig plate 2 positioned outside the cover body 12 rotates into the cover body 12 to be welded, at the moment, an operator dismantles the PCB on the jig plate 2 after the welding is finished, and installs the PCB which needs to be fixed.
The foregoing is a general working principle of the embodiments, and the specific structures of the respective constituent parts are described below.
As shown in fig. 6, in order to fix the PCB boards, in particular, a plurality of PCB boards are fixed on one jig tray 2 and meet the requirement of thermocompression bonding.
The jig tray 2 comprises a tray body 21, four clamping stations 22 are arranged on the tray body 21, the four clamping stations 22 are circumferentially distributed in the center of the tray body 21, and a PCB (printed Circuit Board) can be clamped on each clamping station 22.
The clamping station 22 comprises a first accommodating groove 33 arranged on the tray body 21 and used for accommodating the PCB, and the shape of the first accommodating groove 33 is similar to that of a circle because the PCB is similar to that of a circle in the embodiment; since the PCB is generally loaded with the electronic components or chips, in order to accommodate the chips during the clamping process and provide more contact area, the fixing effect is improved, and the second receiving groove 34 is provided in the first receiving groove 33, and the shape and depth of the second receiving groove 34 are determined according to the chips.
In order to reduce the influence on the clamping accuracy of the disc body 21 in the rotating process of the rotating disc 11 and the jig disc 2. In the fixing process of the PCB, one side of the PCB is abutted against the center of the first accommodating groove 33, and the other side of the PCB is provided with the clamping mechanism 36, so that the fixing of the PCB is realized.
The engaging mechanism 36 includes a rotating table 361 disposed on the tray 21, and a rotating plate 362 is rotatably connected to the rotating table 361, and as shown in fig. 6 and 7, a third accommodating groove 366 is disposed at the other end of the rotating plate 362, and engaging columns 364 are transversely disposed on opposite sides of the third accommodating groove 366. The tray 21 is provided with a locking plate 363, and a semicircular locking groove 365 for accommodating the locking post 364 is provided in the horizontal direction of the outward side of the locking plate 363. After the rotating plate 362 rotates to press the PCB, the buckling plate 363 is located in the third accommodating groove 366, and the clamping post 364 is clamped in the clamping groove 365, so that the rotating plate 362 and the tray 21 are fixed, and after the buckling plate 363 is deformed by outward force, the rotating plate 362 is rotated upwards, the clamping post 364 is separated from the clamping groove 365, so that the rotating plate 362 and the tray 21 are separated.
After the rotating plate 362 rotates downwards to the engagement position, the rotating plate 362 extends to the upper side of the first accommodating groove 33 in shape, and the clamping plate 37 plays a role in increasing the contact area between the rotating plate 362 and the PCB board, so that the fixing effect is improved. The upper surface of cardboard 37 is the slope setting, reduces the collision and the wearing and tearing in the installation.
In order to further improve the fixing effect of the rotation plate 362 to the PCB, the first receiving groove 33 extends to the lower side of the rotation plate 362.
In the process of fixing the flexible circuit board and the PCB, pins extend from the flexible circuit board, in order to avoid that the movement of the pins affects the soldering during the rotation of the tray 21, as shown in fig. 7, a fourth accommodating groove 38 for accommodating part of the flexible circuit board or pins of the flexible circuit board is provided on the tray 21.
As shown in fig. 6, the disc 21 is further rotatably connected with an elastic pressing block 35, the elastic pressing block 35 is rotatably connected to the disc 21 through a shaft hole, the elastic pressing block 35 is made of a rubber material, when a pin is placed in the fourth accommodating groove 38, the elastic pressing block 35 is rotated to the upper portion of the fourth accommodating groove 38 to fix the pin, and the pin is prevented from moving in the rotating process of the disc 21; when the PCB is manually disassembled, the elastic pressing block 35 is moved to the side surface, so that the pins are separated from the fixing.
In the automatic hot-press welding process, the most important is the hot-press precision, and a slight error can cause poor welding of the flexible circuit board and the PCB.
In order to improve the positioning accuracy of the disc 21, a positioning column 23 is arranged near the center of the upper surface of the disc 21 and connected with the sub-rotation driving mechanism 5, a positioning groove 24 matched with the positioning column 23 is arranged on the rotation seat 622, and the positioning column 23 is matched with the positioning groove 24 to reduce the shaking of the disc 21 in the circumferential direction in the working process; in the process of sleeving and installing the tray body 21, the position of the first accommodating groove 33 on the tray body 21 can be positioned by referring to the positioning column 23, so that the installation error is reduced, and the machining precision is improved.
The working principle of the tray 21 is: in the process of installing the PCB, the elastic pressing block 35 is rotated out of the upper part of the fourth accommodating groove 38, the rotating plate 362 is rotated upwards, then the PCB and the flexible circuit board are placed, the rotating plate 362 is rotated, the rotating plate 362 is pressed downwards, the clamping columns 364 are embedded into the clamping grooves 365, the PCB is fixed in the first accommodating groove 33, the elastic pressing block 35 is rotated, pins of the flexible circuit board are pressed into the fourth accommodating groove 38, the fixing of the PCB is realized, the disc 11 body is rotated, and the next clamping station 22 is operated.
As shown in fig. 4 and 5, in order to realize automatic thermocompression bonding of a PCB board, the tray body 21 needs to realize controllable rotation, so the clutch mechanism 6 includes a lifting device 61, a first connector 62 and a second connector 63, the first connector 62 includes a fixing seat 621 and a rotating seat 622, the fixing seat 621 is fixedly connected with the rotating tray 11, the fixing seat 621 mainly plays a role in positioning the center of the jig tray 2, and positions of the jig tray 2 on the rotating tray 11 are determined.
The inside of the fixed seat 621 is rotationally connected with a rotating seat 622 through a bearing, the upper end of the rotating seat 622 is fixed at the center of the bottom of the jig plate 2, the bottom of the rotating seat 622 faces the second connector 63 and is provided with four coupling grooves 624, the four coupling grooves 624 are symmetrically arranged around the center of the rotating seat 622, and the second connector 63 is correspondingly provided with coupling blocks 623 matched with the coupling grooves 624.
The clutch device further comprises a fixing plate 65 and a lifting plate 64, the fixing plate 65 is arranged on the lower surface of the workbench 1, the lifting plate 64 is connected in the fixing plate 65 in a sliding mode, the fixing plate 65 and the lifting plate 64 can slide through a sliding rail structure, a sub-rotation driving mechanism 5 is arranged on one surface of the lifting plate 64, the sub-rotation driving mechanism 5 is a motor, a second connector 63 is connected to a motor shaft of the motor, and meanwhile the second connector 63 penetrates through the workbench 1 to be arranged.
As shown in fig. 5, the lifting plate 64 is connected with a movable end 67 of the lifting device 61, the lifting device 61 is a cylinder, that is, a piston rod (that is, the movable end 67) of the cylinder is connected to the other surface of the lifting plate 64, in order to realize connection between the cylinder and the lifting plate 64, a hole for connecting the piston rod of the cylinder and the lifting plate 64 is provided through the fixed plate 65, and the hole extends along the expansion and contraction direction of the piston rod. The housing (i.e., the fixed end 66) of the air cylinder is connected to the fixed plate 65, and the air cylinder is connected to and disconnected from the first connector 62 and the second connector 63 by extension and contraction of the piston rod.
As shown in fig. 4, a displacement sensor 13 is provided at the bottom of the rotating disk 11, and the displacement sensor 13 is aligned with a portion of the jig disk 2 located below the rotating disk 11 and connected to rotate synchronously with the jig disk 2. When the jig tray 2 rotates, the displacement sensor 13 detects the rotating distance of the jig tray 2 through reflection of light, so as to calculate the rotating angle of the jig tray 2, and finally determine whether the clamping station 22 in the jig tray 2 is aligned (located below the thermocompression bonding joint 32).
In order to improve the rotation precision of the rotating disc 11, the first connector 62 and the second connector 63 can be aligned better, the position of the bottom of the rotating disc 11 corresponding to the jig disc 2 in the radial direction is provided with the identification patch 15 (the identification patch 15 is, for example, a reflector, etc.), the workbench 1 (not shown in fig. 4) is provided with the detection device 16 for identifying the identification patch 15, the detection device 16 can use an infrared sensor, etc., the position of the identification patch 15 is satisfied with the position of one jig disc 2 just below the hot-press welding joint 32, and when the infrared sensor detects the identification patch 15, the main rotation driving mechanism 4 stops acting.
The clutch mechanism 6 has the following working principle: during the welding process of the hot-press welding joint 32, the piston rod of the air cylinder keeps the state that the first connector 62 and the second connector 63 are locked, then the sub-rotation driving mechanism 5 acts, and after the hot-press welding joint 32 is hot-pressed by one clamping station 22, the sub-rotation driving mechanism 5 rotates to move the next clamping station 22 to the position right below the hot-press welding joint 32; after the welding of the PCB on the jig plate 2 is finished, the piston rod of the air cylinder is retracted, the second connector 63 is controlled to be separated from the first connector 62, then the main rotation driving mechanism 4 controls the rotation of the rotation plate 11, the next jig plate 2 is rotated to the lower part of the welding mechanism 3, the air cylinder stretches out, the second connector 63 is controlled to be connected with the first connector 62, and after the hot press welding joint 32 is subjected to hot press of one clamping station 22, the sub rotation driving mechanism 5 rotates to move the next clamping station 22 to the position right below the hot press welding joint 32.
The requirements of the hot-press welding process of the PCB and the flexible circuit board are high, dust and burrs can greatly influence the quality of the hot-press welding, and in order to improve the quality requirements of the welding, in particular the dust-free requirements in the welding process and the rotating process of the rotating disc 11.
The following measures are adopted:
as shown in fig. 1 and 2, in order to prevent most dust and filings from entering the working area, the soldering mechanism 3 is located in the housing 12, the main rotation driving mechanism 4 and the sub rotation driving mechanism 5 are located below the table 1, and the housing 12 is provided with a rotation hole 14 through which the rotation plate 11 and the PCB board loaded thereon pass.
In order to reduce dust from entering the cover body 12 from the position of the rotating hole 14, a baffle plate 25 is arranged at the mirror image boundary position of the two jig plates 2 on the rotating plate 11 (namely, the two jig plates 2 are symmetrically arranged on the rotating plate 11), the baffle plate 25 is positioned between the two jig plates 2, the shape of the baffle plate 25 is matched with that of the rotating hole 14, and in the working state of the welding mechanism 3, the baffle plate 25 blocks dust entering the cover body 12 from the rotating hole 14.
In order to avoid the intense flow of gas in the cover 12 caused by the rotation of the rotation plate 362, a plurality of ventilation holes 251 for air flow are distributed on the baffle 25.
Claims (6)
1. The utility model provides an automatic hot press welding device of rotation type, includes workstation (1) and rotates rotating disk (11) of being connected in workstation (1), its characterized in that: the device also comprises a jig disc (2), a welding mechanism (3), a main rotation driving mechanism (4), a sub rotation driving mechanism (5) and a clutch mechanism (6);
the jig disc (2) is arranged on the upper surface of the rotating disc (11) and is circumferentially distributed with the center of the rotating disc (11), and clamping stations (22) are distributed in the circumferential direction of the jig disc (2);
the welding mechanism (3) comprises a moving device (31) and a hot-press welding joint (32), wherein the moving device (31) controls the hot-press welding joint (32) to descend to be in contact with a workpiece on the clamping station (22);
the main rotation driving mechanism (4) is arranged below the center of the rotating disc (11) and is connected with the center of the rotating disc (11) to drive the rotating disc (11) to rotate;
the sub-rotation driving mechanism (5) is arranged below the rotating disc (11) and corresponds to the center of the jig disc (2) after the rotating disc (11) rotates;
the clutch mechanism (6) comprises a lifting device (61), a first connector (62) and a second connector (63), wherein the first connector (62) is arranged between the jig disc (2) and the rotating disc (11), the first connector (62) enables the jig disc (2) to be rotationally connected with the rotating disc (11), the sub-rotation driving mechanism (5) drives the second connector (63) to rotate, the lifting device (61) enables the first connector (62) and the second connector (63) to be connected and separated through lifting movement, rotation of the jig disc (2) is achieved when the first connector (62) is connected with the second connector (63), and the jig disc (2) is movable when the first connector (62) and the second connector (63) are separated; the first connecting head (62) comprises a fixed seat (621) and a rotating seat (622), the fixed seat (621) is connected with the rotating disc (11), the rotating seat (622) is connected with the fixed seat (621) through a bearing, the top end of the rotating seat (622) is fixedly connected with the jig disc (2), and the bottom end of the rotating seat (622) is matched with the top end of the second connecting head (63); the bottom of the rotating disc (11) is provided with a displacement sensor (13), and the displacement sensor (13) detects the rotation amount of the jig disc (2) through light reflection; the number of the jig discs (2) is two, and the jig discs (2) are symmetrically arranged on the rotating disc (11); the device is characterized in that a label patch (15) is arranged at the bottom of the rotating disc (11) and corresponds to the position of the jig disc (2) in the radial direction, and a detection device (16) for identifying the label patch (15) is arranged on the workbench (1).
2. The rotary automatic thermocompression bonding device of claim 1, wherein: the clutch mechanism (6) comprises a fixed plate (65) connected with the workbench (1) and a lifting plate (64) connected on the fixed plate (65) in a sliding manner, the sub-rotation driving mechanism (5) is arranged on the lifting plate (64), a movable end (67) of the lifting device (61) is connected with the lifting plate (64), and a fixed end (66) of the lifting device (61) is connected with the fixed plate (65).
3. The rotary automatic thermocompression bonding device of claim 1, wherein: the second connector (63) is provided with a coupling block (623), and the bottom end of the rotating seat (622) is provided with a coupling groove (624) matched with the coupling block (623).
4. The rotary automatic thermocompression bonding device of claim 1, wherein: positioning columns (23) are distributed on the circumferential direction of the jig disc (2), and positioning grooves (24) matched with the positioning columns (23) are distributed on the circumferential direction of the rotating seat (622).
5. The rotary automatic thermocompression bonding device of claim 1, wherein: the moving device (31) comprises a fixed table (311), a first air cylinder (312) and a lifting guide rod (313), wherein the first air cylinder (312) is fixed on the fixed table (311), a piston rod of the first air cylinder (312) is connected with the hot-press welding joint (32), and the lifting guide rod (313) is arranged between the fixed table (311) and the hot-press welding joint (32).
6. The rotary automatic thermocompression bonding device of claim 1, wherein: the clamping station (22) comprises a first accommodating groove (33) which is formed in the jig disc (2) and used for accommodating a PCB, a second accommodating groove (34) which is formed in the accommodating groove and used for accommodating a chip, an elastic pressing block (35) which is horizontally and rotatably connected to the jig disc (2) and a clamping mechanism (36) which is vertically and rotatably connected to the jig disc (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810183529.XA CN108161208B (en) | 2018-03-06 | 2018-03-06 | Rotary automatic hot-press welding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810183529.XA CN108161208B (en) | 2018-03-06 | 2018-03-06 | Rotary automatic hot-press welding device |
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| CN108161208A CN108161208A (en) | 2018-06-15 |
| CN108161208B true CN108161208B (en) | 2023-10-27 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052684A (en) * | 2019-05-06 | 2019-07-26 | 怀化学院 | A kind of assembling equipment of electronics and IT products |
| CN110181221B (en) * | 2019-05-31 | 2021-10-12 | 大族激光科技产业集团股份有限公司 | Rotary welding table and welding device |
| CN110695519B (en) * | 2019-10-31 | 2020-06-26 | 苏州润弘安创自动化科技有限公司 | Adjustable camera accessory assembling and welding device |
| CN110695518B (en) * | 2019-10-31 | 2020-06-19 | 苏州润弘安创自动化科技有限公司 | Camera accessory assembling and welding device |
| CN111055072B (en) * | 2019-12-27 | 2022-06-24 | 大族激光科技产业集团股份有限公司 | Jacking rotary mechanism and welding equipment |
| CN112496584B (en) * | 2020-11-24 | 2022-04-15 | 常熟市天银机电股份有限公司 | Automatic welding device for electric heating wire of motor starting protector |
| CN112475653A (en) * | 2020-11-24 | 2021-03-12 | 常熟市天银机电股份有限公司 | Automatic welding machine for electric heating wire of motor protector |
| CN114453721A (en) * | 2022-03-14 | 2022-05-10 | 深圳市大德激光技术有限公司 | Pressure welding fixture and pressure welding equipment |
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Address after: Building 15A, Suchun Industrial Park, No. 428 Xinglong Street, Suzhou Industrial Park, Jiangsu Province, 215126 Applicant after: Rayval(Suzhou)Technologies Co.,Ltd. Address before: Building 15A, Suchun Industrial Park, No. 428 Xinglong Street, Suzhou Industrial Park, Jiangsu Province, 215126 Applicant before: RAYVAL (SUZHOU) TECHNOLOGIES CO.,LTD. |
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