CN220240269U

CN220240269U - Welding protection device

Info

Publication number: CN220240269U
Application number: CN202321650895.4U
Authority: CN
Inventors: 幸振华; 杨烁; 陈长禄
Original assignee: Guangzhou Lijie Intelligent Electronics Co ltd
Current assignee: Guangzhou Lijie Intelligent Electronics Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-12-26
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses a welding protection device, which relates to the technical field of PCBA board processing and comprises a first U-shaped seat, a pressing plate and a rectangular frame board, wherein rotating columns are arranged on opposite side surfaces of the first U-shaped seat in a penetrating mode, the joint of the first U-shaped seat and the rotating columns is connected in a rotating mode through bearings, one end, located inside the first U-shaped seat, of the rotating columns is fixedly provided with a U-shaped board, threaded screw rods are arranged on opposite side surfaces of the U-shaped board in a penetrating mode, and the joint of the U-shaped board and the threaded screw rods is connected in a rotating mode through the bearings. Through twisting arbitrary knob, all can drive two screw thread lead screws simultaneously and rotate for two screw thread lead screws drive clamp plate and rectangle framed board each other in a lead screw transmission's mode fast, make the PCBA board of placing on the rectangle framed board can be fixed by quick centre gripping, utilize electric push rod to promote rack and gear engagement, make the gear rotation, drive PCBA board after the centre gripping and accomplish the turn-over processing, make the operation of PCBA board when welding processing more convenient, accurate.

Description

Welding protection device

Technical Field

The utility model relates to the technical field of PCBA board processing, in particular to a welding protection device.

Background

The PCBA board refers to the PCBA which is formed by the whole process that a PCB blank is subjected to SMT (surface mount technology) loading or DIP (direct Current) plug-in. Printed circuit boards, also known as printed circuit boards, printed wiring boards, often referred to by the acronym PCB, are important electronic components, as support for electronic components, and as a provider for the wiring connections of electronic components. It is called a "printed" circuit board because it is fabricated using electronic printing techniques. The circuit board is required to be soldered during processing.

The utility model patent with the publication number of CN217389144U discloses a welding protection device for PCBA board processing. This welding protection device for PCBA board processing is when using, directly is fixed PCBA board holder on the workstation, and the welding mode of PCBA board adopts back welding, this makes PCBA board very inconvenient in actual welded operation in-process operation, influences welded precision and welded efficiency, is unfavorable for PCBA board's actual production.

Disclosure of Invention

The utility model aims at providing a welding protection device to solve the current welding protection device for PCBA board processing that proposes among the above-mentioned prior art when using, directly fix PCBA board holder on the workstation, and the welding mode of PCBA board adopts back welding, this makes PCBA board very inconvenient at actual welded operation in-process operation, influences welded precision and welded efficiency, is unfavorable for PCBA board actual production's problem.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a welding protection device, includes first U-shaped seat, clamp plate and rectangle framed panel, the opposite side of first U-shaped seat all runs through and is provided with the steering column, and the junction of first U-shaped seat and steering column passes through the bearing and rotate and be connected, the steering column is located the inside one end of first U-shaped seat and is fixed with the U-shaped board, one of them the opposite side of U-shaped board all runs through and is provided with the screw thread lead screw, and the junction of U-shaped board and screw thread lead screw passes through the bearing and rotate to be connected, another be fixed with the slide bar between the opposite inner wall of U-shaped board, two be fixed with the connecting rod between the screw thread lead screw, the other end of screw thread lead screw is fixed with the knob, threaded connection has first bolt on the knob, first bolt is used for the locking of U-shaped board and knob position, one side of clamp plate and rectangle framed panel all is fixed with first slider, the opposite side of clamp plate and rectangle framed panel all is fixed with the second slider, two first slider are respectively on two screw thread lead screw thread connection, the outside at the slide bar, another slider is cup jointed the bottom of clamp plate, the bottom of the clamp plate has the U-shaped supporting surface, and U-shaped assembly has the U-shaped support assembly, and U-shaped assembly has the U-shaped top to install the support surface.

Further, the turn-over assembly comprises a gear and a fixed block, wherein the gear is fixedly arranged at the other end of one rotating column, the fixed block is fixedly arranged on the first U-shaped seat, and an electric push rod is fixedly arranged on the fixed block.

Further, a carrier is fixedly arranged at the output end of the electric push rod, a rack is fixed at the top of the carrier, and the gear is meshed with the rack.

Further, the support assembly comprises a fixed cylinder, an adjusting column is inserted into the top of the fixed cylinder in a sliding mode, and the top end of the adjusting column is fixedly arranged at the bottom of the first U-shaped seat.

Further, one side of the fixed cylinder is connected with a second bolt in a threaded mode, and the second bolt is used for locking the positions of the adjusting column and the fixed cylinder.

Further, a limiting rod is fixed on one side of the adjusting column, and a limiting groove matched with the limiting rod is formed in the fixed cylinder.

Further, the bottom of fixed section of thick bamboo is fixed with the second U-shaped seat, one side threaded connection of second U-shaped seat has the third bolt, the one end of third bolt is connected with the splint through the bearing rotation, be fixed with two auxiliary rods on the splint, set up the through-hole with auxiliary rod looks adaptation on the second U-shaped seat.

In summary, the utility model has the technical effects and advantages that:

1. according to the utility model, by twisting any knob, the two threaded screw rods can be simultaneously driven to rotate, so that the two threaded screw rods can rapidly drive the pressing plate and the rectangular frame plate to be close to each other in a screw rod transmission mode, the PCBA plate placed on the rectangular frame plate can be rapidly clamped and fixed, the electric push rod is utilized to push the rack to be meshed with the gear, the gear is made to rotate, the clamped PCBA plate is driven to complete the turn-over treatment, and the PCBA plate is made to be more convenient and accurate to operate during welding.

2. According to the utility model, the combined length of the fixing cylinder and the adjusting column can be adjusted by pulling up the adjusting column, and the fixing cylinder and the adjusting column are fixed by the second bolt, so that the PCBA board placed on the rectangular frame board can be adjusted to a proper height according to the use requirement during processing, and the welding operation can be performed better; the third bolt is screwed by a spanner to push the clamping plate to move, and the device is easier to fix in a proper position for use under the mutual matching of the second U-shaped seat and the clamping plate.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a welding protection device according to an embodiment of the present application;

FIG. 2 is a schematic view of the structure of the first U-shaped seat, the rotary column, the threaded screw rod and the sliding rod according to the embodiment of the present application;

FIG. 3 is a schematic structural view of a first U-shaped seat, a rectangular frame plate, a clamping groove and a turn-over assembly according to an embodiment of the present application;

fig. 4 is a schematic structural view of a support assembly according to an embodiment of the present application.

In the figure: 1. a first U-shaped seat; 2. a pressing plate; 3. a rectangular frame plate; 4. a rotating column; 5. a U-shaped plate; 6. a threaded screw rod; 7. a slide bar; 8. a connecting rod; 9. a knob; 10. a first bolt; 11. a first slider; 12. a second slider; 13. clamping blocks; 14. a clamping groove; 15. a gear; 16. a fixed block; 17. an electric push rod; 18. a carrier; 19. a rack; 20. a fixed cylinder; 21. an adjusting column; 22. a second bolt; 23. a limit rod; 24. a limit groove; 25. a second U-shaped seat; 26. a third bolt; 27. a clamping plate; 28. an auxiliary rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-4, a welding protection device comprises a first U-shaped seat 1, a pressing plate 2 and a rectangular frame plate 3, wherein the opposite side surfaces of the first U-shaped seat 1 are respectively provided with a rotating column 4 in a penetrating manner, the joint of the first U-shaped seat 1 and the rotating column 4 is rotationally connected through a bearing, one end of the rotating column 4 positioned in the first U-shaped seat 1 is fixedly provided with a U-shaped plate 5, the opposite side surface of one U-shaped plate 5 is respectively provided with a threaded screw rod 6 in a penetrating manner, the joint of the U-shaped plate 5 and the threaded screw rod 6 is rotationally connected through a bearing, a sliding rod 7 is fixed between the opposite inner walls of the other U-shaped plate 5, a connecting rod 8 is fixed between the two threaded screw rods 6, the other end of the threaded screw rod 6 is fixedly provided with a knob 9, a first bolt 10 is in threaded connection on the knob 9, the first bolt 10 is used for the locking of U-shaped board 5 and knob 9 position, the one side of clamp plate 2 and rectangle framed board 3 all is fixed with first slider 11, the opposite side of clamp plate 2 and rectangle framed board 3 all is fixed with second slider 12, two first sliders 11 cup joint respectively on two screw thread lead screws 6, and screw thread lead screw 6 and first slider 11 threaded connection, second slider 12 sliding cup joint is in the outside of slide bar 7, clamp splice 13 is fixed with in the bottom of clamp plate 2, draw-in groove 14 has been seted up at the top of rectangle framed board 3, turn over the subassembly is installed to one side of first U-shaped seat 1, turn over the subassembly and be used for driving two U-shaped boards 5 turn over, the supporting component is installed to the bottom of first U-shaped seat 1, supporting component is used for supporting first U-shaped seat 1.

Any knob 9 is screwed, and the two threaded screw rods 6 can be driven to rotate simultaneously, so that the two threaded screw rods 6 can drive the pressing plate 2 and the rectangular frame plate 3 to be close to each other in a screw transmission mode, and the PCBA plate placed on the rectangular frame plate 3 can be clamped and fixed rapidly.

The turnover assembly comprises a gear 15 and a fixed block 16, wherein the gear 15 is fixedly arranged at the other end of one rotary column 4, the fixed block 16 is fixedly arranged on the first U-shaped seat 1, an electric push rod 17 is fixedly arranged on the fixed block 16, a carrier seat 18 is fixedly arranged at the output end of the electric push rod 17, a rack 19 is fixed at the top of the carrier seat 18, and the gear 15 is meshed with the rack 19.

The rack 19 is pushed by the electric push rod 17 to be meshed with the gear 15, so that the gear 15 rotates to drive the clamped PCBA to finish the turnover treatment, and the PCBA is more convenient and accurate to operate during welding.

Wherein, the supporting component includes a fixed section of thick bamboo 20, and the top slip grafting of fixed section of thick bamboo 20 has an adjusting column 21, and the top fixed mounting of adjusting column 21 is in the bottom of first U-shaped seat 1, and one side threaded connection of fixed section of thick bamboo 20 has a second bolt 22, and second bolt 22 is used for the locking of adjusting column 21 and fixed section of thick bamboo 20 position, and one side of adjusting column 21 is fixed with gag lever post 23, has seted up the spacing groove 24 with gag lever post 23 looks adaptation on the fixed section of thick bamboo 20.

The length of the combination of the fixed cylinder 20 and the adjusting column 21 can be adjusted by pulling up the adjusting column 21, and the fixed cylinder 20 and the adjusting column 21 are fixed by the second bolt 22, so that the PCBA board placed on the rectangular frame plate 3 can be adjusted to a proper height according to the use requirement during processing, so that the welding operation can be better performed, the limit rod 23 and the limit groove 24 are matched for use, and the complete separation of the adjusting column 21 and the fixed cylinder 20 can be avoided.

The bottom of the fixed cylinder 20 is fixed with a second U-shaped seat 25, one side of the second U-shaped seat 25 is connected with a third bolt 26 in a threaded manner, one end of the third bolt 26 is rotatably connected with a clamping plate 27 through a bearing, two auxiliary rods 28 are fixed on the clamping plate 27, and a through hole matched with the auxiliary rods 28 is formed in the second U-shaped seat 25.

The third bolt 26 is screwed by a spanner to push the clamping plate 27 to move, and the device is easier to fix in place for use under the mutual cooperation of the second U-shaped seat 25 and the clamping plate 27.

The working principle of the utility model is as follows:

when the device is used, a proper position is selected, the second U-shaped seat 25 is clamped at the position, the third bolt 26 is screwed by using a wrench to push the clamping plate 27 to be matched with the second U-shaped seat 25, the fixing of the device at the proper position is completed, the first U-shaped seat 1 is pulled upwards, the first U-shaped seat 1 pulls the adjusting column 21 to move upwards along with the first U-shaped seat, after the first U-shaped seat 1 moves to a designated height, the second bolt 22 is screwed by using the wrench, the second bolt 22 locks the positions of the fixed cylinder 20 and the adjusting column 21, and the locking of the height of the first U-shaped seat 1 is completed;

the PCBA board to be processed is placed inside the clamping groove 14, and the electronic components are orderly placed on the PCBA board, after all is ready, any knob 9 is screwed, so that the knob 9 drives the two threaded screw rods 6 to rotate simultaneously, the two threaded screw rods 6 drive the pressing plate 2 and the rectangular frame plate 3 to be mutually close in a screw transmission mode, the two threaded screw rods are mutually matched, the PCBA board and the electronic components on the PCBA board are tightly clamped, then the first bolt 10 is screwed by using a spanner, the position of the knob 9 is locked, the knob 9 is prevented from rotating, finally, the electric push rod 17 is controlled to stretch, the electric push rod 17 pushes the rack 19 to move upwards, the rack 19 is meshed with the gear 15 mutually, and the PCBA board is driven to finish turning treatment, so that the PCBA board is more convenient in welding.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a welding protection device, includes first U-shaped seat (1), clamp plate (2) and rectangle framed board (3), its characterized in that: the utility model discloses a screw bolt, including U-shaped seat (1), screw bolt (2), square frame plate (3), screw bolt (3), slide bar (7) are fixed between the opposite side of U-shaped seat (1), and the junction of first U-shaped seat (1) and screw bolt (4) is rotated through the bearing and is connected, the one end that column (4) is located inside first U-shaped seat (1) is fixed with U-shaped board (5), wherein the opposite side of U-shaped board (5) all runs through and is provided with screw thread lead screw (6), and the junction of U-shaped board (5) and screw thread lead screw (6) is rotated through the bearing and is connected, another be fixed with slide bar (7) between the opposite inner wall of U-shaped board (5), two be fixed with connecting rod (8) between screw thread lead screw (6), the other end of screw thread lead screw (6) is fixed with knob (9), threaded connection has first bolt (10) on knob (9), first bolt (10) are used for the locking of U-shaped board (5) and knob (9) position, one side of clamp plate (2) and square frame plate (3) all is fixed with first slider (11), two screw bolts (12) are connected on two screw bolts (11) respectively, the second sliding block (12) is sleeved outside the sliding rod (7) in a sliding manner, a clamping block (13) is fixed at the bottom of the pressing plate (2), a clamping groove (14) is formed in the top of the rectangular frame plate (3), a turnover assembly is arranged on one side of the first U-shaped seat (1), the turnover assembly is used for driving the two U-shaped plates (5) to turn over, and a supporting assembly is arranged at the bottom of the first U-shaped seat (1) and used for supporting the first U-shaped seat (1).

2. A welding protection device as defined in claim 1, wherein: the turnover assembly comprises a gear (15) and a fixed block (16), wherein the gear (15) is fixedly arranged at the other end of one rotary column (4), the fixed block (16) is fixedly arranged on the first U-shaped seat (1), and an electric push rod (17) is fixedly arranged on the fixed block (16).

3. A welding protection device as defined in claim 2, wherein: the output end of the electric push rod (17) is fixedly provided with a carrier seat (18), the top of the carrier seat (18) is fixedly provided with a rack (19), and the gear (15) is meshed with the rack (19).

4. A welding protection device as defined in claim 1, wherein: the support assembly comprises a fixed cylinder (20), an adjusting column (21) is inserted into the top of the fixed cylinder (20) in a sliding mode, and the top end of the adjusting column (21) is fixedly arranged at the bottom of the first U-shaped seat (1).

5. A welding protection device as defined in claim 4, wherein: a second bolt (22) is connected to one side of the fixed cylinder (20) in a threaded mode, and the second bolt (22) is used for locking the positions of the adjusting column (21) and the fixed cylinder (20).

6. A welding protection device as defined in claim 4, wherein: one side of the adjusting column (21) is fixed with a limiting rod (23), and the fixed cylinder (20) is provided with a limiting groove (24) matched with the limiting rod (23).

7. A welding protection device as defined in claim 4, wherein: the bottom of fixed section of thick bamboo (20) is fixed with second U-shaped seat (25), one side threaded connection of second U-shaped seat (25) has third bolt (26), the one end of third bolt (26) is connected with splint (27) through the bearing rotation, be fixed with two auxiliary rod (28) on splint (27), set up the through-hole with auxiliary rod (28) looks adaptation on second U-shaped seat (25).