CN218183655U

CN218183655U - PCB welding jig

Info

Publication number: CN218183655U
Application number: CN202221517118.8U
Authority: CN
Inventors: 蒋威
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-12-30
Anticipated expiration: 2032-06-16

Abstract

The utility model discloses a PCB board welding jig, including PMKD, PMKD's last sliding surface is connected with the connection upper plate, horizontal spout and vertical spout have been seted up to the upper surface of connecting the upper plate, the last fixed surface who connects the upper plate is connected with driving motor, PMKD's fixed surface installs the controller, driving motor's output transmission is connected with two-way threaded rod. A PCB board welding jig, with the accurate spacing middle part of connecting the upper plate of PCB board, when the extrusion force equals the maximum pressure that the PCB board that the controller set for bore, controller control driving motor self-closing avoids the too big impairement of PCB board pressurized when firm spacing with the PCB board, the bottom of bottom slide is passed through spring damper and PMKD's interior edge is fixed simultaneously, it arouses the resonance of connecting upper plate and PCB board to reduce rocking that outside mechanical function produced when the welding like this, and then guarantees the welded quality.

Description

PCB welding jig

Technical Field

The utility model relates to a PCB board welding field, in particular to PCB board welding jig field.

Background

In the current PCB welding, electronic components easily appear rocking, the baffle that generally adopts the L shape at present is fixed to the PCB, but when the PCB face is amasss greatly, often can fix insecure, need to increase the length of baffle, when the PCB face is amasss little, too long baffle also can have certain influence to the welding, the practicality is relatively poor, application scope is narrow, therefore, it is very inconvenient to lead to the PCB board welding, welding speed is slow, the precision is low, simultaneously PCB board welding electronic components in-process high temperature, electronic components are easily damaged, and in welding process, can remain many dusts and sweeps on the PCB board, can influence the welding of follow-up electronic components like this greatly, the welding quality of PCB board has been influenced, therefore, we provide a PCB board welding jig.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a PCB board welding jig can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides a PCB board welding jig, includes PMKD, PMKD's last sliding surface is connected with the connection upper plate, horizontal spout and vertical spout have been seted up to the upper surface of connecting the upper plate, the last fixed surface who connects the upper plate is connected with driving motor, PMKD's fixed surface installs the controller, driving motor's output transmission is connected with two-way threaded rod, the equal sliding connection in top of horizontal spout and vertical spout has the grip block, the opposite side of grip block is provided with the protection shield, one of them the last fixed surface of grip block installs the upper junction plate, the side fixed mounting of upper junction plate has jet-propelled shower nozzle.

The utility model discloses a further improvement lies in, the inside of vertical spout all rotates and is connected with one-way threaded rod, the bottom fixed mounting of grip block has bottom thread bush, two horizontal grip block bottoms that set up bottom thread bush and the inside two-way threaded rod threaded connection of horizontal spout, two vertical grip block bottoms that set up bottom thread bush and the inside one-way threaded rod threaded connection of vertical spout, two horizontal settings the grip block motion opposite direction, two vertical settings the grip block motion opposite direction will need welded specification assorted PCB board to place between four grip blocks when using like this, through controller control driving motor's operation, driving motor drives and is located the inside two-way threaded rod of horizontal spout and rotates, and the bottom thread bush threaded connection of the grip block bottom of two horizontal settings to it carries on spacing fixedly to the left and right sides of PCB board to drive the grip block displacement of two horizontal settings.

The utility model discloses a further improvement lies in, the bottom fixed mounting who connects the upper plate has the bottom slide, the bottom fixed mounting of bottom slide has spring damper, spring damper's bottom and PMKD's interior bottom fixed connection, the bottom of bottom slide is passed through spring damper and PMKD's interior edge fixed like this, reduces rocking that outside mechanical function produced when the welding arouses the resonance of connecting upper plate and PCB board like this, and then guarantees welded quality.

The utility model discloses further improvement lies in, two-way threaded rod's middle part fixed mounting has bevel gear No. one, one-way threaded rod's tip fixed mounting has No. two bevel gears, bevel gear and No. two bevel gear meshing transmission, like this in two-way threaded rod pivoted, a bevel gear at two-way threaded rod middle part and No. two bevel gear meshing transmission of one-way threaded rod tip to drive No. two bevel gears and one-way threaded rod and rotate, and the bottom thread bush threaded connection of the grip block bottom of one-way threaded rod and two vertical settings, thereby the grip block move in opposite directions of driving two vertical settings carries on spacing fixedly to both sides around the PCB board.

The utility model discloses further improvement lies in, install pressure sensor between protection shield and the grip block, pressure sensor's output and controller are connected, controller control driving motor moves, and installation pressure sensor measures the extrusion force between protection shield and the grip block like this, and when the extrusion force equals the maximum pressure that the PCB board that the controller was set for bore, controller control driving motor self-closing avoids the PCB board pressurized too big impaired when stablizing spacingly with the PCB board.

The utility model is further improved in that a gas storage tank is fixedly arranged on the upper surface of the upper plate, a gas storage cavity is arranged in the gas storage tank, a fixed frame is fixedly arranged at the bottom of the clamping plate positioned on the rightmost side, a piston is fixedly arranged at the end part of the fixed frame and slides in the gas storage cavity, two gas transmission pipes are fixedly arranged on the upper surface of the right end of the gas storage tank, one-way valves are respectively arranged in the middle parts of the gas transmission pipes, the one-way valve in the middle part of one gas transmission pipe enables the outside gas to be conducted to the gas storage cavity in one way, the one-way valve in the middle part of the other gas transmission pipe enables the gas storage cavity to be conducted to the gas injection nozzle in one way through a pipeline, thus, in the process that the clamping plate moves oppositely to clamp the PCB, the mount that is located the grip block bottom on rightmost side slides inside the gas storage tank on PMKD surface, thereby it slides at the gas storage intracavity portion to drive the piston, the check valve at one of them transmission trachea middle part makes external gas to gas storage chamber one-way switch on, and the check valve at another transmission trachea middle part makes gas storage chamber to jet-propelled shower nozzle one-way switch on, thereby at the inside gas injection in grip block phase motion to the tight in-process gas storage chamber of PCB board clamp, remove the tight in-process at the grip block back movement to PCB board, the gas of gas storage intracavity portion is spout by jet-propelled shower nozzle, blow away welding piece and dust on PCB board surface, avoid in the welding process piece to influence follow-up work at PCB board gathering, blow simultaneously and cool down the PCB board after the butt welding, be convenient for taking out fast of PCB board.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. when the PCB welding machine is used, a PCB which needs to be welded and is matched in specification is placed between four clamping plates, the operation of a driving motor is controlled through a controller, the driving motor drives a bidirectional threaded rod which is positioned in a transverse sliding groove to rotate, the bidirectional threaded rod is in threaded connection with bottom threaded sleeves at the bottoms of the two transversely arranged clamping plates, so that the two transversely arranged clamping plates are driven to move in opposite directions to carry out limiting fixation on the left side and the right side of the PCB, when the bidirectional threaded rod rotates, a first bevel gear at the middle part of the bidirectional threaded rod is in meshing transmission with a second bevel gear at the end part of a one-way threaded rod, so that the second bevel gear and the one-way threaded rod are driven to rotate, the one-way threaded rod is in threaded connection with the bottom threaded sleeves at the bottoms of the two longitudinally arranged clamping plates, so that the two longitudinally arranged clamping plates are driven to move in opposite directions to carry out limiting fixation on the front side and the back side of the PCB, so that the PCB is accurately limited in the middle part of an upper plate, the welding position is convenient to carry out alignment of the PCB welding position, and meanwhile, when the PCB is connected with a damping plate, the PCB, the bottom plate, the pressing force is prevented from being automatically reduced, and the PCB is prevented from being damaged, and the pressing force is caused by the controller, and the PCB is prevented from being caused by the vibration of the PCB.

2. In the clamping process of the clamping plate moving oppositely to clamp the PCB, the fixing frame at the bottom of the clamping plate on the rightmost side slides inside the gas storage box on the surface of the fixing bottom plate, so that the piston is driven to slide inside the gas storage cavity, the one-way valve in the middle of one transmission gas pipe enables the external gas to be conducted to the gas storage cavity in one way, the one-way valve in the middle of the other transmission gas pipe enables the gas storage cavity to be conducted to the jet nozzle in one way, the gas injection is conducted to the gas storage cavity in the clamping process of the clamping plate moving oppositely to the PCB, the clamping process of the clamping plate is relieved to the PCB in the reverse moving process of the clamping plate, the gas in the gas storage cavity is sprayed out by the jet nozzle, welding scraps and dust on the surface of the PCB are blown away, the phenomenon that the scraps in the welding process influence follow-up work in the gathering of the PCB is avoided, meanwhile, the welded PCB is cooled by blowing, and the PCB can be taken out quickly.

Drawings

Fig. 1 is the utility model relates to a PCB board welding jig's overall structure schematic diagram.

Fig. 2 is the utility model relates to a PCB board welding jig's PMKD connects the schematic diagram of cutting over with going up the upper plate.

Fig. 3 is the upper surface schematic diagram of the upper plate of the PCB welding jig of the present invention.

Fig. 4 is a schematic view of the connection between one of the clamping plates and the air injection nozzle of the PCB welding jig of the present invention.

Fig. 5 is the utility model relates to a PCB board welding jig's one of them grip block is connected the cross-sectional view with the gas storage tank.

In the figure: 1. fixing a bottom plate; 2. connecting the upper plate; 3. a transverse chute; 4. a longitudinal chute; 5. a bidirectional threaded rod; 6. a drive motor; 7. a controller; 8. a gas storage tank; 9. a gas transmission pipe; 10. an upper connecting plate; 11. an air injection nozzle; 12. a clamping plate; 13. a protection plate; 14. a one-way threaded rod; 15. a first bevel gear; 16. a second bevel gear; 17. a bottom slide plate; 18. a spring damper; 19. a bottom threaded sleeve; 20. a fixed mount; 21. a piston; 22. a one-way valve; 23. a gas storage cavity; 24. a pressure sensor.

Detailed Description

In order to make the technical means, the creative features, the achievement purposes and the functions of the present invention easy to understand, in the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be further described with reference to the following detailed description.

Example 1

As shown in fig. 1, a PCB welding jig comprises a fixed base plate 1, wherein the upper surface of the fixed base plate 1 is connected with an upper plate 2 in a sliding manner, the upper surface of the upper plate 2 is provided with a transverse sliding chute 3 and a longitudinal sliding chute 4, the upper surface of the upper plate 2 is fixedly connected with a driving motor 6, the surface of the fixed base plate 1 is fixedly provided with a controller 7, the output end of the driving motor 6 is connected with a bidirectional threaded rod 5 in a transmission manner, clamping plates 12 are respectively connected above the transverse sliding chute 3 and the longitudinal sliding chute 4 in a sliding manner, one opposite sides of the clamping plates 12 are provided with protection plates 13, the upper surface of one of the clamping plates 12 is fixedly provided with an upper connecting plate 10, and the side surface of the upper connecting plate 10 is fixedly provided with an air injection nozzle 11;

specifically, as shown in fig. 1, 2 and 3, the inside of the longitudinal sliding chute 4 is rotatably connected with a one-way threaded rod 14, the bottom of each clamping plate 12 is fixedly provided with a bottom threaded sleeve 19, the bottom threaded sleeves 19 at the bottoms of the two transversely arranged clamping plates 12 are in threaded connection with a two-way threaded rod 5 inside the transverse sliding chute 3, the bottom threaded sleeves 19 at the bottoms of the two longitudinally arranged clamping plates 12 are in threaded connection with the one-way threaded rods 14 inside the longitudinal sliding chute 4, the moving directions of the two transversely arranged clamping plates 12 are opposite, and the moving directions of the two longitudinally arranged clamping plates 12 are opposite;

specifically, as shown in fig. 1 and 2, a bottom sliding plate 17 is fixedly mounted at the bottom of the upper plate 2, a spring damper 18 is fixedly mounted at the bottom of the bottom sliding plate 17, and the bottom end of the spring damper 18 is fixedly connected with the inner bottom of the fixed base plate 1, so that the bottom of the bottom sliding plate 17 is fixed with the inner edge of the fixed base plate 1 through the spring damper 18, thereby reducing the resonance of the upper plate 2 and the PCB plate caused by the shake generated by the external mechanical operation during welding, and further ensuring the welding quality;

specifically, as shown in fig. 1 and 3, a first bevel gear 15 is fixedly installed in the middle of the bidirectional threaded rod 5, a second bevel gear 16 is fixedly installed at the end of the unidirectional threaded rod 14, the first bevel gear 15 and the second bevel gear 16 are in meshing transmission, so that when the bidirectional threaded rod 5 rotates, the first bevel gear 15 in the middle of the bidirectional threaded rod 5 and the second bevel gear 16 at the end of the unidirectional threaded rod 14 are in meshing transmission, the second bevel gear 16 and the unidirectional threaded rod 14 are driven to rotate, the unidirectional threaded rod 14 is in threaded connection with bottom threaded sleeves 19 at the bottoms of two longitudinally arranged clamping plates 12, and the two longitudinally arranged clamping plates 12 are driven to move oppositely to limit and fix the front side and the back side of the PCB;

specifically, as shown in fig. 1 and 5, a pressure sensor 24 is installed between the protection plate 13 and the clamping plate 12, an output end of the pressure sensor 24 is connected with the controller 7, the controller 7 controls the driving motor 6 to operate, so that the pressure sensor 24 is installed between the protection plate 13 and the clamping plate 12 to measure the extrusion force, when the extrusion force is equal to the maximum pressure borne by the PCB set by the controller 7, the controller 7 controls the driving motor 6 to automatically close, and the PCB is prevented from being damaged due to too large pressure while being stabilized and limited.

The embodiment can realize that: when in use, a PCB (printed Circuit Board) with matched specifications and needing to be welded is placed between the four clamping plates 12, the operation of the driving motor 6 is controlled by the controller 7, the driving motor 6 drives the two-way threaded rod 5 positioned in the transverse chute 3 to rotate, the two-way threaded rod 5 is in threaded connection with the bottom threaded sleeves 19 at the bottoms of the two transversely arranged clamping plates 12, so that the two transversely arranged clamping plates 12 are driven to move oppositely to limit and fix the left side and the right side of the PCB, while the two-way threaded rod 5 rotates, the first bevel gear 15 at the middle part of the two-way threaded rod 5 is in meshing transmission with the second bevel gear 16 at the end part of the one-way threaded rod 14, so that the second bevel gear 16 and the one-way threaded rod 14 are driven to rotate, and the one-way threaded rod 14 is in threaded connection with the bottom threaded sleeves 19 at the bottoms of the two longitudinally arranged clamping plates 12, thereby drive two vertical grip blocks 12 that set up and move in opposite directions and carry out spacing fixed to the front and back both sides of PCB board, in order to be accurate spacing the middle part of connecting upper plate 2 with the PCB board, be convenient for carry out the alignment of welding position, simultaneously at one side sliding connection protection shield 13 that grip blocks 12 are faced mutually, installation pressure sensor 24 measures the extrusion force between protection shield 13 and the grip block 12, when the extrusion force equals the maximum pressure that the PCB board that controller 7 set for bore, controller 7 control driving motor 6 self-closing, avoid the PCB board to receive the too big damage when stabilizing spacing with the PCB board, the bottom of bottom slide 17 is fixed through the interior edge of spring damper 18 with PMKD 1 simultaneously, reduce rocking that outside mechanical operation produced when the welding arouses to connect the resonance of upper plate 2 and PCB board like this, and then guarantee the welded quality.

Example 2

specifically, as shown in fig. 1 and 5, connect the upper surface fixed mounting who connects upper plate 2 and have a gas storage tank 8, gas storage chamber 23 has been seted up to the inside of gas storage tank 8, the bottom fixed mounting who is located grip block 12 on the rightmost side has mount 20, the tip fixed mounting of mount 20 has piston 21, piston 21 slides in the inside of gas storage chamber 23, fixed mounting has two air transmission pipes 9 on the right-hand member of gas storage tank 8, check valve 22 is all installed at the middle part of air transmission pipe 9, check valve 22 at one of them air transmission pipe 9 middle part makes external gas to air storage chamber 23 one-way switch on, the check valve 22 at another air transmission pipe 9 middle part makes air storage chamber 23 to jet-propelled shower nozzle 11 pass through pipeline one-way switch on.

The embodiment can realize that: in the process of clamping the PCB by the clamping plates 12 moving in opposite directions, the fixing frame 20 at the bottom of the clamping plate 12 on the rightmost side slides in the gas storage box 8 on the surface of the fixing base plate 1, so as to drive the piston 21 to slide in the gas storage cavity 23, the one-way valve 22 in the middle of one gas transmission pipe 9 enables the outside gas to be conducted to the gas storage cavity 23 in one way, the one-way valve 22 in the middle of the other gas transmission pipe 9 enables the gas storage cavity 23 to be conducted to the jet nozzle 11 in one way, so as to inject gas into the gas storage cavity 23 in the process of clamping the PCB by the clamping plates 12 moving in opposite directions, in the process of releasing the clamping of the PCB by the clamping plates 12 moving in opposite directions, the gas in the gas storage cavity 23 is sprayed out by the jet nozzle 11, welding debris and dust on the surface of the PCB are blown away, the phenomenon that the debris are gathered on the PCB to influence subsequent work in the welding process is avoided, meanwhile, the PCB after being blown is cooled, and the PCB can be taken out quickly.

When the PCB welding jig is used, firstly, the bottom of a fixed bottom plate 1 is fixed under a welding table, a controller 7 is electrified, PCBs with matched specifications to be welded are placed between four clamping plates 12, the controller 7 controls the operation of a driving motor 6, the driving motor 6 drives a two-way threaded rod 5 positioned in a transverse chute 3 to rotate, the two-way threaded rod 5 is in threaded connection with bottom threaded sleeves 19 at the bottoms of the two transversely arranged clamping plates 12, so that the two transversely arranged clamping plates 12 are driven to move oppositely to limit and fix the left side and the right side of the PCB, and when the two-way threaded rod 5 rotates, a bevel gear 15 at the middle part of the two-way threaded rod 5 is meshed with a bevel gear 16 at the end part of a one-way threaded rod 14 for transmission, so as to drive the bevel gear 16 and the one-way threaded rod 14 to rotate, the one-way threaded rod 14 is in threaded connection with bottom threaded sleeves 19 at the bottoms of the two longitudinally-arranged clamping plates 12, so that the two longitudinally-arranged clamping plates 12 are driven to move oppositely to limit and fix the front side and the rear side of the PCB, the PCB is accurately limited in the middle of the upper plate 2, alignment of a welding position is facilitated, meanwhile, the protection plate 13 is slidably connected to one side, which is opposite to the clamping plates 12, of the clamping plates 12, a pressure sensor 24 is arranged between the protection plate 13 and the clamping plates 12 to measure the extrusion force, when the extrusion force is equal to the maximum pressure borne by the PCB, which is set by the controller 7, the controller 7 controls the driving motor 6 to automatically close, the PCB is prevented from being excessively stressed and damaged while being stably limited, meanwhile, the bottom of the bottom sliding plate 17 is fixed with the inner edge of the fixed bottom plate 1 through a spring damper 18, and resonance of the upper plate 2 and the PCB caused by shaking generated by external mechanical operation during welding is reduced, and then guarantee the welded quality, in the process that the grip block 12 moves in opposite directions and presss from both sides the PCB board tightly, the mount 20 that is located the grip block 12 bottom of the rightmost side slides inside the gas storage tank 8 on PMKD 1 surface, thereby drive the piston 21 and slide inside the gas storage chamber 23, the check valve 22 in the middle of one of them conveying pipe 9 makes the one-way conduction of external gas to gas storage chamber 23, and the check valve 22 in the middle of another conveying pipe 9 makes gas storage chamber 23 to jet nozzle 11 one-way conduction, thereby at the in-process gas injection of grip block 12 opposite directions movement to the PCB board tight clamp, in the process of grip block 12 reverse movement to the PCB board unclamping, the gas in the gas storage chamber 23 is spouted by jet nozzle 11, blow away the welding piece and the dust on PCB board surface, avoid the piece to influence follow-up work in the gathering of PCB board in the welding process, blow simultaneously the PCB board after the welding and cool down, be convenient for taking out fast of PCB board.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a PCB board welding jig, includes PMKD (1), its characterized in that: the utility model discloses a fixed baseplate, including fixed baseplate (1), upper plate (2) are connected to the last sliding surface of fixed baseplate (1), go up the upper surface of upper plate (2) and seted up horizontal spout (3) and vertical spout (4), the last fixed surface who goes up upper plate (2) is connected with driving motor (6), the fixed surface of fixed baseplate (1) installs controller (7), the output transmission of driving motor (6) is connected with two-way threaded rod (5), the equal sliding connection in top of horizontal spout (3) and vertical spout (4) has grip block (12), the opposite side one side of grip block (12) is provided with protection shield (13), one of them the last fixed surface of grip block (12) installs upper junction plate (10), the side fixed mounting of upper junction plate (10) has jet-propelled shower nozzle (11).

2. The PCB welding jig of claim 1, wherein: the inside of vertical spout (4) is all rotated and is connected with one-way threaded rod (14), the bottom fixed mounting of grip block (12) has bottom thread bush (19), grip block (12) bottom of two horizontal settings bottom thread bush (19) and horizontal spout (3) inside two-way threaded rod (5) threaded connection, two vertical grip block (12) bottoms of setting bottom thread bush (19) and vertical spout (4) inside one-way threaded rod (14) threaded connection, two horizontal settings grip block (12) motion direction is opposite, two vertical settings grip block (12) motion direction is opposite.

3. The PCB welding jig of claim 1, wherein: the bottom of connecting upper plate (2) fixed mounting has bottom slide (17), the bottom fixed mounting of bottom slide (17) has spring damper (18), the bottom of spring damper (18) and the interior bottom fixed connection of PMKD (1).

4. The PCB welding jig of claim 2, wherein: the middle part of the bidirectional threaded rod (5) is fixedly provided with a first bevel gear (15), the end part of the unidirectional threaded rod (14) is fixedly provided with a second bevel gear (16), and the first bevel gear (15) and the second bevel gear (16) are in meshing transmission.

5. The PCB welding jig of claim 1, wherein: install pressure sensor (24) between protection shield (13) and grip block (12), pressure sensor (24)'s output is connected with controller (7), controller (7) control driving motor (6) operation.

6. The PCB welding jig of claim 1, wherein: go up the last fixed surface of upper plate (2) and install gas storage tank (8), gas storage chamber (23) have been seted up to the inside of gas storage tank (8), are located the rightmost side the bottom fixed mounting of grip block (12) has mount (20), the tip fixed mounting of mount (20) has piston (21), piston (21) slide in the inside of gas storage chamber (23), fixed surface installs two biography gas-supply pipes (9) on the right-hand member of gas storage tank (8), check valve (22) are all installed at the middle part of biography gas-supply pipe (9), and one of them passes gas-supply pipe (9) middle part check valve (22) make external gas to gas storage chamber (23) one-way switch on, and another check valve (22) that pass gas-supply pipe (9) middle part make gas storage chamber (23) to jet-propelled shower nozzle (11) one-way switch on through the pipeline.