WO2022032789A1

WO2022032789A1 - Electronic component welding apparatus for circuit board production

Info

Publication number: WO2022032789A1
Application number: PCT/CN2020/115453
Authority: WO
Inventors: 黄啸谷; 卜凯
Original assignee: 苏州海凌达电子科技有限公司
Priority date: 2020-08-11
Filing date: 2020-09-16
Publication date: 2022-02-17
Also published as: CN112008301A

Abstract

An electronic component welding apparatus for circuit board production, comprising a bottom plate (1); a support column (2) is mounted on the bottom plate (1), a first sliding groove (3) is provided inside the support column (2), a lifting/lowering device (4) is mounted inside the first sliding groove (3), a first support plate (5) is mounted at the top of the lifting/lowering device (4), a rotating motor (6) is mounted inside the first support plate (5), and a fixing device (7) is mounted on the rotating motor (6); a rack (8) is mounted at an edge portion of the bottom plate (1), a top plate (9) is mounted at the top of the rack (8), a second sliding groove (10) is provided beneath the top plate (9), a sliding block (11) is provided inside the second sliding groove (10), a hanging rod (12) is mounted at the bottom of the sliding block (11), and a welding head (13) is mounted at the bottom of the hanging rod (12). Said apparatus has improved adaptability by modifying the fixing device (7), and can perfectly fix circuit boards when facing circuit boards of different models and thicknesses; and the lifting/lowering device (4) is attached, which allows for lifting/lowering of a placement platform only by manually controlling a rotating handle (47), being convenient and quick.

Description

A kind of electronic component welding equipment for circuit board production

technical field

The invention belongs to the technical field of electronic product processing, and in particular relates to a welding device for electronic components used for circuit board production.

Background technique

Electronic components are components of electronic components and small machines and instruments. They are often composed of several parts and can be used in similar products; they often refer to certain parts of electrical appliances, radios, instruments and other industries, including capacitors, transistors, A general term for electronic devices such as hairsprings and springs. Common ones are diodes.

Electronic components include: resistors, capacitors, inductors, potentiometers, tubes, radiators, electromechanical components, connectors, semiconductor discrete devices, electroacoustic devices, laser devices, electronic display devices, optoelectronic devices, sensors, power supplies, switches, micro Special motors, electronic transformers, relays, printed circuit boards, integrated circuits, various circuits, piezoelectric, crystal, quartz, ceramic magnetic materials, substrate substrates for printed circuits, special materials for electronic functional processes, electronic adhesive (tape) products , electronic chemical materials and parts, etc.

In terms of quality, electronic components have international certifications such as CE certification of the European Union, UL certification of the United States, VDE and TUV of Germany, and CQC certification of China to ensure the qualification of components.

Electronic components often need to be welded in the process of processing. The existing electronic components welding equipment often cannot be effectively adapted to electronic components of different thicknesses. When fixing electronic components of different thicknesses, you can only change the fixture. To fix it for welding, it will require the production of a large number of fixtures, and it is not convenient to operate, and the height of the welding table is not easy to adjust. When manual welding is required in some places, the welding table cannot be lowered to keep it away from the welding head. Very inconvenient.

technical solutions

The purpose of the embodiments of the present invention is to provide an electronic component welding equipment for circuit board production that has strong adaptability and can adjust the height of the welding table, aiming to solve the problem that the existing electronic component welding equipment is often aimed at electronic components with different thicknesses. The components cannot be effectively adapted. When fixing electronic components with different thicknesses, they can only be fixed by replacing the fixture for welding. This will require the production of a large number of fixtures, and the operation is not convenient, and the height of the welding table is not easy. Adjustment, when manual welding is required in some places, the welding table cannot be lowered to keep it away from the welding head, which is very inconvenient.

The embodiment of the present invention is implemented in this way, an electronic component welding equipment for circuit board production, comprising: a base plate, a pillar is installed above the base plate, a first chute is opened inside the pillar, and the first chute A lifting device is installed inside, a first support plate is installed on the top of the lifting device, a rotating motor is installed inside the first support plate, and a fixing device is installed on the rotating motor; a frame is installed on the edge of the bottom plate, A top plate is installed on the top of the rack, a second chute is arranged below the top plate, a slider is arranged inside the second chute, a suspension rod is installed at the bottom of the slider, and a welding rod is installed at the bottom of the suspension rod. head.

Preferably, the lifting device includes a rack, and the rack is located inside the first chute; a connecting block is fixedly installed on the side of the strut, one end of the connecting block is hinged with a disc, and one side of the disc is provided There is a helical groove, the helical groove is matched with the rack, a gear is installed on the other side of the disc, a linkage column is hinged in the middle of the gear, and a rotating handle and a linkage block are installed on the side of the linkage column. The other end of the linkage block is hinged by a clamping block, and the other end of the clamping block is provided with clamping teeth, and the clamping teeth are matched with the gears.

Preferably, a non-slip tape is wrapped around the rotating handle.

Preferably, when the top end of the latching teeth is in contact with the teeth on the gear, the lower inclined surface of the latching teeth is in contact with the adjacent teeth of the gear.

Preferably, the fixing device includes a rotating rod, one end of the rotating rod is fixedly connected with the rotating motor, and the other end of the rotating rod is installed with an elliptical disk; a control box is installed above the first support plate, and the top of the control box is installed A placing plate is installed, the elliptical disk is located inside the control box, a third chute is opened on both sides of the control box, a push rod is arranged inside the third chute, and the elliptical disk is matched with the push rod; A push plate is hinged on both ends of the outer side of the control box, the push plate is matched with the other end of the push rod, and a pressure plate is installed on the top of the push plate.

Preferably, when the long axis end of the elliptical disk is in contact with the push rod, the pressing plate is in contact with the placing plate.

Preferably, a rubber pad is installed on the side of the pressing plate in contact with the circuit board.

Preferably, a torsion spring is provided at the hinged joint between the control box and the push plate.

Preferably, an air exhaust port is installed on the side of the rack, the other end of the air exhaust port is connected with an air outlet pipe, an exhaust fan is installed on the air outlet pipe, and the other end of the air outlet pipe is connected with a water tank. A water pump is installed at the bottom of the water tank, a water outlet is connected to the water pump, and a nozzle is installed at the top of the water outlet; an air inlet pipe is installed on the other side of the water tank, and the other end of the air inlet pipe is connected with an air inlet. The air inlet is fixedly connected to the side of the rack.

The embodiment of the present invention provides an electronic component soldering device for circuit board production that has strong adaptability and can adjust the height of the soldering table, and has the following beneficial effects:

By modifying the fixing device, the device can realize the fixing method of turning from outside to inside, so that the adaptability is enhanced, so that it can perfectly fix the circuit board when facing the circuit boards of different thicknesses. , to prevent offset during processing and welding, and additional lifting device, only need to manually control the rotary handle to operate the lifting and lowering of the placing table, which is convenient, fast, time-saving and labor-saving.

Description of drawings

1 is a schematic structural diagram of an electronic component welding equipment for circuit board production provided by an embodiment of the present invention;

2 is a three-dimensional structural diagram of a lifting device for an electronic component welding equipment for circuit board production provided by an embodiment of the present invention;

3 is a rear view of a disc of a lifting device of an electronic component welding equipment for circuit board production provided by an embodiment of the present invention;

4 is a perspective view of a gear of a lifting device of an electronic component welding equipment for circuit board production according to an embodiment of the present invention;

5 is a schematic structural diagram of a fixing device for electronic component welding equipment for circuit board production according to an embodiment of the present invention;

FIG. 6 is a working state diagram of an electronic component welding equipment fixing device for circuit board production provided by an embodiment of the present invention;

FIG. 7 is a top view of a fixing device for electronic component welding equipment for circuit board production according to an embodiment of the present invention;

FIG. 8 is a top-view working state diagram of an electronic component welding equipment fixing device for circuit board production according to an embodiment of the present invention.

In the attached drawings: 1, bottom plate; 2, pillar; 3, first chute; 4, lifting device; 41, rack; 42, connecting block; 43, disc; 44, spiral groove; 45, gear; 46, Linkage column; 47, rotating handle; 48, linkage block; 49, clamping block; 410, clamping tooth; 5, first support plate; 6, rotating motor; 7, fixing device; 71, rotating rod; 72, elliptical disk; 73, control box; 74, placement plate; 75, push rod; 76, push plate; 77, pressure plate; 78, third chute; 8, rack; 9, top plate; 10, second chute; 11, slide block; 12, suspension rod; 13, welding head; 14, air outlet; 15, air outlet pipe; 16, exhaust fan; 17, water tank; 18, water pump; 19, water outlet; 20, nozzle; 21, air inlet pipe ; 22. Air inlet.

Embodiments of the present invention

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

Example 1:

As shown in FIG. 1 , in the embodiment of the present invention, it includes: a bottom plate 1 , a column 2 is installed above the bottom plate 1 , a first chute 3 is opened inside the column 2 , and the first chute 3 is installed inside There is a lifting device 4, a first support plate 5 is installed on the top of the lifting device 4, a rotating motor 6 is installed inside the first support plate 5, and a fixing device 7 is installed on the rotating motor 6; A frame 8 is installed at the top of the frame 8, a top plate 9 is installed on the top of the frame 8, a second chute 10 is arranged below the top plate 9, and a slider 11 is arranged inside the second chute 10, and the slider 11 A suspension rod 12 is installed at the bottom, and a welding head 13 is installed at the bottom of the suspension rod 12 .

When in use, place the circuit board on the fixing device 7, fix it by the fixing device 7, then adjust the lifting device 4 to adjust the circuit board to a suitable height, and then control the slider 11, so that the slider 11 slides in the second position. Move in the slot 10, drive the soldering head 13 to a proper position, and start soldering the circuit board.

Example 2:

As shown in FIGS. 1 to 4 , in the embodiment of the present invention, the lifting device 4 includes a rack 41 , and the rack 41 is located inside the first chute 3 ; a connecting block is fixedly installed on the side of the pillar 2 . 42. One end of the connecting block 42 is hinged with a disk 43, one side of the disk 43 is provided with a helical groove 44, the helical groove 44 is matched with the rack 41, and the other side of the disk 43 is installed with a gear 45. A linkage column 46 is hinged in the middle of the gear 45, a rotating handle 47 and a linkage block 48 are installed on the side of the linkage column 46, and the other end of the linkage block 48 is hinged by a clamping block 49, and the other end of the clamping block 49 The latching teeth 410 are installed, and the latching teeth 410 are matched with the gears 45 .

When in use, as shown in Figure 2 and Figure 3, the rotary handle 47 is rotated downward, and the rotary handle 47 will drive the linkage block 48 to rotate clockwise through the linkage column 46. At this time, as shown in Figure 3, the locking teeth 410 The top of the gear 45 will cooperate with the teeth of the gear 45 and drive the gear 45 to rotate clockwise. When the gear 45 rotates, it will control the rise of the rack 41 through the helical groove 44 on the back, so as to realize a single rise operation, and the single rise operation is completed. Then, lift the rotary handle 47 upward, and the rotary handle 47 will drive the linkage block 48 to rotate counterclockwise. At this time, the lower inclined surface of the latching teeth 410 will contact the teeth of the gear 45 and drive the entire gear 45 under the restriction of the teeth of the gear 45. The clamping block 49 rotates clockwise around the hinge joint with the linkage block 48 to ensure that the clamping teeth 410 will not drive the gear 45 to rotate in the reverse direction until the clamping teeth 410 fall into the next tooth slot of the gear 45, at which point the downward rotation can be continued. Handle 47, you can continue to control the rise, and so on and so forth, to achieve the overall operation of the rise.

When it is necessary to descend, it is only necessary to rotate the clamping block 49 so that it is located on the right side of the linkage block 48, that is, in the opposite position as in FIG. 3, and then operate the rotating handle 47 in the opposite direction to drive the device to descend.

In the embodiment of the present invention, the rotating handle 47 is wrapped with a non-slip tape. Gloves are often required to be worn during the welding process. When operating the rotating handle 47 through gloves, it may slip. The non-slip tape can avoid this. A situation occurs.

In the embodiment of the present invention, when the top of the latching teeth 410 is in contact with the teeth on the gear 45, the lower slope of the latching teeth 410 is in contact with the adjacent teeth of the gear 45, so as to ensure that the rotary handle 47 is rotated counterclockwise. When the gear 45 is in contact with the lower slope of the tooth 410, the locking block 49 is lifted up by the lower slope of the tooth 410 until the tooth 410 enters the next tooth slot of the gear 45 to avoid the locking of the tooth 410. It will rotate in the opposite direction with the gear 45.

Example 3:

As shown in FIG. 5 to FIG. 8 , in the embodiment of the present invention, the fixing device 7 includes a rotating rod 71 , one end of the rotating rod 71 is fixedly connected with the rotating motor 6 , and the other end of the rotating rod 71 is installed with an elliptical disk 72; a control box 73 is installed above the first support plate 5, a placement plate 74 is installed on the top of the control box 73, the elliptical disk 72 is located inside the control box 73, and third sides of the control box 73 are opened. The chute 78, the third chute 78 is provided with a push rod 75, the elliptical disk 72 is matched with the push rod 75; the outer ends of the control box 73 are hinged with push plates 76, and the push plates 76 and The other end of the push rod 75 is matched, and a pressing plate 77 is installed on the top of the push plate 76 .

When in use, as shown in FIG. 4 , first place the circuit board on the placing plate 74 , and then start the rotary motor 6 . The rotary motor 6 will drive the elliptical disk 72 to rotate through the rotating rod 71 . Approaching the push rod 75, the push rod 75 will be gradually pushed outward, and the other end of the push rod 75 will push the push plate 76 to rotate the push plate 76. When the push plate 76 rotates, it will drive the pressure plate 77, so that the pressure plate 77 moves toward the placing plate 74. To approach, press and fix the circuit board on the placing plate 74. If it needs to be released, just start the rotating motor 6 in the reverse direction, so that the short axis end of the elliptical disk 72 is close to the push rod 75, then the push rod 75 will be removed at this time. The fixation can be released by removing the pushing force on the push plate 76 .

In the embodiment of the present invention, when the long axis end of the elliptical disk 72 is in contact with the push rod 75, the pressing plate 77 is in contact with the placing plate 74 to ensure that the extreme motion position of the pressing plate 77 will contact the placing plate 74, In order to ensure that the pressing plate 77 can adapt to various circuit boards of different thicknesses.

In the embodiment of the present invention, a rubber pad is installed on the side of the pressing plate 77 in contact with the circuit board. The rubber pad provides a shock-absorbing effect to the circuit board, so that the circuit board will not be in contact with the pressing plate 77 due to shaking during processing. On the other hand, the rubber pad also slows down the pressure of the pressure plate 77 on the circuit board, preventing the circuit board from being deformed due to the excessive pressure of the pressure plate 77, and the processing effect of the circuit board is deteriorated or even discarded. .

In the embodiment of the present invention, a torsion spring is provided at the hinged joint between the control box 73 and the push plate 76, and the torsion spring can drive the push plate 76 to automatically reset after releasing the fixation of the circuit board by the pressure plate 77, saving the operation of manual reset .

Example 4:

As shown in FIG. 1 , in the embodiment of the present invention, an air outlet 14 is installed on the side of the rack 8 , and the other end of the air outlet 14 is connected with an air outlet 15 , and an air outlet is installed on the air outlet 15 16, the other end of the air outlet pipe 15 is connected with a water tank 17, a water pump 18 is installed at the bottom of the water tank 17, a water outlet column 19 is connected to the water pump 18, and a nozzle 20 is installed at the top of the water outlet column 19; An air inlet duct 21 is installed on the other side of the water tank 17 , and the other end of the air inlet duct 21 is connected with an air inlet 22 , and the air inlet 22 is fixedly connected to the side of the rack 8 .

During the welding process, a lot of heat is often generated. The exhaust fan 16 can extract the air filled with heat into the water tank 17 through the air outlet 15. The water pump 18 will extract the water inside the water tank 17 and then spray it out through the nozzle 20, which will extract the water. The air in the water tank 17 is cooled down, and the cooled air will return to the inside of the rack 8 through the air inlet duct 21 again, so that the air can be cooled and circulated, and the air inside the rack 8 can be maintained.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims

A welding equipment for electronic components for circuit board production, comprising: a base plate (1), characterized in that a support column (2) is installed above the base plate (1), and a first chute is opened inside the support column (2). (3), a lifting device (4) is installed inside the first chute (3), a first support plate (5) is installed on the top of the lifting device (4), and the first support plate (5) is inside A rotating electric machine (6) is installed, and a fixing device (7) is installed on the rotating electric machine (6); A top plate (9), a second chute (10) is arranged below the top plate (9), a slider (11) is arranged inside the second chute (10), and a bottom of the slider (11) is installed with A suspension rod (12) is provided with a welding head (13) at the bottom of the suspension rod (12).
The electronic component welding equipment for circuit board production according to claim 1, wherein the lifting device (4) comprises a rack (41), and the rack (41) is located in the first chute (3) Inside; a connecting block (42) is fixedly installed on the side of the pillar (2), one end of the connecting block (42) is hinged with a disk (43), and one side of the disk (43) is provided with a spiral groove (44) ), the helical groove (44) is matched with the rack (41), a gear (45) is installed on the other side of the disc (43), and a linkage column (46) is hinged in the middle of the gear (45), A rotating handle (47) and a linkage block (48) are installed on the side of the linkage column (46), the other end of the linkage block (48) is hinged by a clamping block (49), and the other end of the clamping block (49) is installed There are locking teeth (410), and the locking teeth (410) are matched with the gears (45).
The electronic component welding equipment for circuit board production according to claim 2, characterized in that, a non-slip tape is wrapped around the rotating handle (47).
The electronic component welding equipment for circuit board production according to claim 2, characterized in that, when the top end of the clamping teeth (410) is in contact with the teeth on the gear (45), the lower part of the clamping teeth (410) is in contact with the teeth on the gear (45). The bevels are in contact with adjacent teeth of the gear (45).
The electronic component welding equipment for circuit board production according to claim 1, wherein the fixing device (7) comprises a rotating rod (71), and one end of the rotating rod (71) is fixed to the rotating motor (6). connected, an elliptical disk (72) is installed at the other end of the rotating rod (71); a control box (73) is installed above the first support plate (5), and a placement plate (73) is installed on the top of the control box (73). 74), the elliptical disk (72) is located inside the control box (73), the control box (73) is provided with a third chute (78) on both sides, and the third chute (78) is provided with a pusher. A rod (75), the elliptical disk (72) is matched with the push rod (75); the two outer ends of the control box (73) are hinged with push plates (76), the push plates (76) and the push rod ( 75) The other end is matched, and a pressing plate (77) is installed on the top of the push plate (76).
The electronic component welding equipment for circuit board production according to claim 5, characterized in that, when the long axis end of the elliptical disk (72) is in contact with the push rod (75), the pressing plate (77) is in contact with the placing plate (77). The plates (74) are in contact.
The electronic component welding equipment for circuit board production according to claim 5, characterized in that a rubber pad is installed on the side of the pressing plate (77) in contact with the circuit board.
The electronic component welding equipment for circuit board production according to claim 5, characterized in that a torsion spring is provided at the hinged joint between the control box (73) and the push plate (76).
The electronic component welding equipment for circuit board production according to claim 1, characterized in that an air outlet (14) is installed on the side of the frame (8), and the other end of the air outlet (14) is connected with an outlet An air duct (15), an exhaust fan (16) is installed on the air outlet duct (15), a water tank (17) is connected to the other end of the air outlet duct (15), and a water pump is installed at the bottom of the water tank (17) (18), a water outlet column (19) is connected to the water pump (18), and a nozzle (20) is installed at the top of the water outlet column (19); an air inlet pipe (21) is installed on the other side of the water tank (17). ), the other end of the air inlet pipe (21) is connected with an air inlet (22), and the air inlet (22) is fixedly connected to the side of the frame (8).