Self-adaptive anti-floating high-wave-soldering plug-in jig

Abstract

The utility model discloses a self-adaptive anti-floating high wave-soldering plug-in jig, which belongs to the technical field of wave-soldering plug-in jigs and comprises a jig bottom plate, mounting holes are formed in four corners of the jig bottom plate, bolts are arranged in the mounting holes in a penetrating manner, a two-way lead screw is rotatably mounted in the jig bottom plate, and the two-way lead screw is connected with the two-way lead screw. One end of the bidirectional lead screw extends out of the jig bottom plate and is fixedly provided with a knob; the position of an adjusting outer sleeve can be adjusted through sliding of a trapezoidal sliding block, the front-back position of a rubber pressing disc is adjusted, an adjusting inner plate can slide relative to the adjusting outer sleeve to adjust the position, the left-right position of the rubber pressing disc is adjusted, and multiple parts are pressed at the same time in cooperation with the elasticity of a third spring and the rubber pressing disc. And in addition, due to the arrangement of a third spring, the pressing height can be automatically adjusted according to different heights of the parts, it can be ensured that each part is pressed, poor floating height caused by floating of the parts is effectively prevented, and the production yield of products can be increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of wave soldering plug-in fixtures, and in particular relates to an adaptive anti-floating wave soldering plug-in fixture. Background Art

[0002] There are many steps required in the production and processing of PCB boards. One of them is wave soldering of the PCB boards. During the wave soldering operation, a wave soldering plug-in fixture is required to support the PCB boards.

[0003] When using a wave soldering plug-in fixture to carry a PCB board, the wave soldering plug-in parts have poor anti-floating properties because multiple pressure blocks are used to press the surface of the parts. Due to the different heights of the parts, there is a risk that the pressure caps fail to press the parts, resulting in the risk of part welding floating. Due to the different positions of the parts, multiple pressure caps need to be taken and placed, and the production efficiency of personnel is low. Utility Model Content

[0004] The purpose of the utility model is to provide an adaptive anti-floating wave soldering plug-in fixture to solve the problem raised in the above background technology that when using the wave soldering plug-in fixture to carry the PCB board, the wave soldering plug-in parts are not well prevented from floating. The surface of the parts is pressed by multiple pressure blocks. Due to the different heights of the parts, there is a risk of the parts floating due to the failure of the pressure cover to press the parts. The parts are in different positions and multiple pressure covers need to be taken and placed, resulting in low personnel production efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adaptive anti-floating wave soldering plug-in fixture, comprising a fixture base plate, four corners of the fixture base plate are provided with mounting holes and bolts are passed through the mounting holes, a two-way lead screw is rotatably installed inside the fixture base plate, one end of the two-way lead screw extends out of the fixture base plate and is fixed with a knob, two sections of the threaded outer surfaces of the two-way lead screw are threadedly installed with a first movable plate, both ends of the first movable plate are hingedly installed with hinged arms, a second movable plate is hingedly installed between the two hinged arms at the same side positions at the front and rear, the upper surface of the first movable plate and the upper surface of the second movable plate are provided with support columns, and the upper surfaces of the first movable plate and the second movable plate are provided with support columns, which are located on the first movable plate The support column on the upper surface is fixedly connected to the first movable plate, and the support column located on the upper surface of the second movable plate is movably connected to the second movable plate. The support column extends through a channel opened on the surface of the jig bottom plate to extend out of the jig bottom plate and is rotatably installed with a positioning column. A cover plate is fitted on the surface of the jig bottom plate, and a buckle for locking the cover plate is provided on the surface of the jig bottom plate. A plurality of adjusting sleeves are movably provided on the inner wall of the cover plate, and an adjusting inner plate is slidably installed inside the adjusting sleeve. A mounting plate is fixedly installed on the end of the adjusting inner plate, and a sliding column is slidably installed on the mounting plate. A rubber pressure plate is fixedly installed on the bottom end of the sliding column, and a first spring is fixedly installed between the mounting plate and the rubber pressure plate.

[0006] The above scheme is adopted, by setting an adjusting outer sleeve and an adjusting inner plate for use with a sliding column, a third spring and a rubber pressure plate, the adjusting outer sleeve can be slidably adjusted by a trapezoidal slider to adjust the front and rear position of the rubber pressure plate, the adjusting inner plate can be slidably adjusted relative to the adjusting outer sleeve to adjust the left and right position of the rubber pressure plate, and in combination with the elasticity of the third spring and the rubber pressure plate, multiple parts can be pressed simultaneously, thereby improving the work efficiency of personnel, and since the setting of the third spring can automatically adjust the pressing height according to the different heights of the parts, it can ensure that each part is pressed, effectively preventing the parts from floating and causing poor floating height, thereby improving the production yield of the product, and by setting a bidirectional lead screw for use with the first movable plate, the articulated arm and the second movable plate as well as the support column and the clamping column, the two first movable plates and the two second movable plates can move inward synchronously when the bidirectional lead screw rotates, and the support column and the clamping column are used to realize the front, back, left and right four-way clamping and fixing of the PCB board, and the fixing and clamping are completed in one step, and the operation is convenient, and the movable setting of the support column on the second movable plate can be suitable for the clamping and fixing of PCB boards of different specifications, thereby improving universality.

[0007] As a preferred embodiment, a plurality of telescopic rods are fixed to the side surfaces of the first movable plate and the second movable plate, and the telescopic rods are fixedly mounted on the inner wall of the fixture bottom plate.

[0008] By adopting the above scheme, the telescopic rod is used to support and guide the first movable plate and the second movable plate, thereby improving the movement stability and preventing the first movable plate and the second movable plate from shaking and tilting during movement.

[0009] As a preferred embodiment, an adjusting rod is fixedly mounted on the bottom end of the movable support column, the outer surface of the adjusting rod has threads, and the upper surface of the second movable plate is provided with a plurality of thread grooves used in conjunction with the adjusting rod.

[0010] By adopting the above scheme, an adjustment rod with threads on the surface is provided for use with multiple thread grooves, so that the initial position of the support column on the second movable plate can be adjusted, so that it can be adaptively adjusted according to the specifications of the PCB board, thereby improving universality.

[0011] As a preferred embodiment, a trapezoidal slider is fixedly installed on the end of the adjusting sleeve, a trapezoidal slide groove is provided on the inner wall of the cover plate for the trapezoidal slider to slide, a second spring is fixedly installed on the inner wall of the trapezoidal slider, a clamping rod is fixedly installed on the end of the second spring, and a plurality of clamping holes are provided on the surface of the cover plate at a position opposite to the trapezoidal slide groove, and the clamping rod and the clamping hole are used in combination.

[0012] By adopting the above scheme, the trapezoidal slider is used in conjunction with the trapezoidal slide groove, the adjustment sleeve can be slid to adjust the position, and then the position of the rubber pressure plate can be adjusted by adjusting the inner plate, and the second spring is used in conjunction with the clamping rod. The elasticity of the second spring drives the clamping rod to fit into the clamping hole to achieve the locking operation after the position adjustment. The locking structure is simple and the operation and adjustment are convenient.

[0013] As a preferred embodiment, a plurality of positioning posts are fixed to the upper surface of the fixture base plate, and a plurality of positioning holes are formed on the cover plate at positions directly facing the positioning posts.

[0014] By adopting the above solution, the positioning column is used in conjunction with the positioning hole to facilitate the alignment and assembly operation between the fixture base plate and the cover plate, thereby improving the convenience of the assembly operation.

[0015] As a preferred embodiment, a locking rod is slidably inserted on the adjusting outer sleeve, a plurality of locking holes for use with the locking rod are opened on the adjusting inner plate, and a third spring is fixedly installed between the head end of the locking rod and the adjusting outer sleeve.

[0016] By adopting the above solution, when the locking rod is out of the locking hole, the inner plate can be adjusted to slide and adjust the position. At this time, the third spring is deformed. Therefore, after the position is adjusted, the elasticity of the third spring can be used to drive the locking rod to quickly reset and insert into the locking hole, thereby improving the convenience of the locking operation.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The adaptive anti-floating height wave soldering plug-in fixture is used by setting an adjusting outer sleeve and an adjusting inner plate in conjunction with a sliding column, a third spring and a rubber pressure plate. The adjusting outer sleeve can slide and adjust its position through a trapezoidal slider to adjust the front and rear position of the rubber pressure plate. The adjusting inner plate can slide and adjust its position relative to the adjusting outer sleeve to adjust the left and right position of the rubber pressure plate. In conjunction with the elasticity of the third spring and the rubber pressure plate, multiple parts can be pressed at the same time, improving the work efficiency of personnel. In addition, since the setting of the third spring can automatically adjust the pressing height according to the different heights of the parts, it can ensure that each part is pressed, effectively preventing the parts from floating up and causing poor floating height, and can improve the production yield of the product.

[0019] The adaptive anti-floating wave soldering plug-in fixture is used by setting a bidirectional screw in conjunction with a first movable plate, a hinged arm and a second movable plate as well as a support column and a positioning column. When the bidirectional screw rotates, the two first movable plates and the two second movable plates can move inward synchronously, and the support column and the positioning column are used to realize the front, back, left and right four-way clamping and fixing of the PCB board. The fixing and clamping are completed in one step, and the operation is convenient. The movable setting of the support column on the second movable plate can be suitable for the clamping and fixing of PCB boards of different specifications, thereby improving universality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is an exploded schematic diagram of the bottom plate and cover plate of the fixture of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the cross section of the bottom plate of the fixture of the utility model;

[0023] Figure 4 It is an exploded schematic diagram of the movable plate 2 and the adjusting rod of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the adjustable outer cover and the adjustable inner plate of the utility model;

[0025] Figure 6 It is a schematic structural diagram of the cross section of the utility model for adjusting the outer jacket.

[0026] In the figure: 1. fixture base plate; 2. bolt; 3. bidirectional lead screw; 4. first movable plate; 5. articulated arm; 6. second movable plate; 7. support column; 8. positioning column; 9. cover plate; 10. buckle; 11. adjustment sleeve; 12. adjustment inner plate; 13. mounting plate; 14. sliding column; 15. rubber pressure plate; 16. first spring; 17. telescopic rod; 18. positioning column; 19. positioning hole; 20. adjusting rod; 21. trapezoidal slider; 22. second spring; 23. clamping rod; 24. locking rod; 25. third spring. DETAILED DESCRIPTION

[0027] See also Figure 1-6The utility model provides an adaptive anti-floating wave soldering plug-in fixture, including a fixture base plate 1, four corners of the fixture base plate 1 are provided with mounting holes and bolts 2 are passed through the mounting holes, a bidirectional lead screw 3 is rotatably installed inside the fixture base plate 1, one end of the bidirectional lead screw 3 extends out of the fixture base plate 1 and is fixed with a knob, two sections of the threaded outer surfaces of the bidirectional lead screw 3 are threadedly installed with a first movable plate 4, both ends of the first movable plate 4 are hingedly installed with hinged arms 5, a second movable plate 6 is hingedly installed between the two hinged arms 5 at the same side positions at the front and rear, the upper surface of the first movable plate 4 and the upper surface of the second movable plate 6 are provided with support columns 7, and the support columns 7 located on the upper surface of the first movable plate 4 and the first movable plate 4 are located between the support columns 7 and the first movable plate 4. The second movable plate 6 is fixedly connected therebetween, and the support column 7 located on the upper surface of the second movable plate 6 is movably connected thereto, the support column 7 extends out of the jig bottom plate 1 through the channel opened on the surface of the jig bottom plate 1 and is rotatably installed with a positioning column 8, a cover plate 9 is fitted on the surface of the jig bottom plate 1, and a buckle 10 for locking the cover plate 9 is provided on the surface of the jig bottom plate 1, and a plurality of adjusting sleeves 11 are movably provided on the inner wall of the cover plate 9, an adjusting inner plate 12 is slidably installed inside the adjusting sleeve 11, a mounting plate 13 is fixedly installed on the end of the adjusting inner plate 12, a sliding column 14 is slidably installed on the mounting plate 13, a rubber pressure plate 15 is fixedly installed on the bottom end of the sliding column 14, and a first spring 16 is fixedly installed between the mounting plate 13 and the rubber pressure plate 15.

[0028] By setting the adjustment sleeve 11 and the adjustment inner plate 12 to cooperate with the sliding column 14, the third spring 25 and the rubber pressure plate 15, the adjustment sleeve 11 can slide and adjust the position through the trapezoidal slider 21 to adjust the front and rear position of the rubber pressure plate 15, and the adjustment inner plate 12 can slide and adjust the position relative to the adjustment sleeve 11 to adjust the left and right position of the rubber pressure plate 15, and cooperate with the elasticity of the third spring 25 and the rubber pressure plate 15 to achieve simultaneous pressing of multiple parts, improve the work efficiency of personnel, and because the setting of the third spring 25 can automatically adjust the pressing height according to the different heights of the parts, it can ensure that each All parts are pressed, which effectively prevents the parts from floating up and causing poor floating height, and can improve the product production yield. By setting the two-way screw 3 to cooperate with the first movable plate 4, the articulated arm 5 and the second movable plate 6 as well as the support column 7 and the clamping column 8, when the two-way screw 3 rotates, the two first movable plates 4 and the two second movable plates 6 can move inward synchronously, and the support column 7 and the clamping column 8 are used to realize the front, back, left and right four-way clamping and fixing of the PCB board. The fixing and clamping are in one step, and the operation is convenient. The support column 7 on the second movable plate 6 is movably arranged, which can be suitable for the clamping and fixing of PCB boards of different specifications, thereby improving universality.

[0029] Several telescopic rods 17 are fixed to the side surfaces of the first movable plate 4 and the second movable plate 6. The telescopic rods 17 are fixedly mounted on the inner wall of the jig base plate 1. The telescopic rods 17 are used to support and guide the first movable plate 4 and the second movable plate 6 to improve the smoothness of movement and prevent the first movable plate 4 and the second movable plate 6 from shaking and tilting during movement.

[0030] An adjusting rod 20 is fixedly installed at the bottom end of the movable support column 7, and the outer surface of the adjusting rod 20 has a thread. The upper surface of the second movable plate 6 is provided with a plurality of thread grooves for use with the adjusting rod 20. By setting the adjusting rod 20 with a thread on the surface for use with multiple thread grooves, the initial position of the support column 7 on the second movable plate 6 can be adjusted, so that it can be adaptively adjusted according to the specifications of the PCB board, thereby improving universality.

[0031] A trapezoidal slider 21 is fixedly installed at the end of the adjusting sleeve 11, and a trapezoidal slide groove is provided on the inner wall of the cover plate 9 for the trapezoidal slider 21 to slide. A second spring 22 is fixedly installed on the inner wall of the trapezoidal slider 21, and a clamping rod 23 is fixedly installed on the end of the second spring 22. A plurality of clamping holes are provided at the position of the cover plate 9 facing the trapezoidal slide groove. The clamping rod 23 and the clamping holes are used in combination. The trapezoidal slider 21 is used in combination with the trapezoidal slide groove to slide and adjust the position of the adjusting sleeve 11, and then the position of the rubber pressure plate 15 is adjusted by adjusting the inner plate 12. The second spring 22 is used in combination with the clamping rod 23. The elasticity of the second spring 22 drives the clamping rod 23 to clamp into the clamping hole, thereby realizing the locking operation after the position adjustment. The locking structure is simple and the operation and adjustment are convenient.

[0032] A plurality of positioning posts 18 are fixed to the upper surface of the jig base plate 1, and a plurality of positioning holes 19 are opened on the cover plate 9 at positions opposite to the positioning posts 18. The positioning posts 18 are used in conjunction with the positioning holes 19 to facilitate the alignment and assembly operation between the jig base plate 1 and the cover plate 9, thereby improving the convenience of the assembly operation.

[0033] A locking rod 24 is slidably inserted on the adjusting sleeve 11, and a plurality of locking holes for use with the locking rod 24 are opened on the adjusting inner plate 12. A third spring 25 is fixedly installed between the head end of the locking rod 24 and the adjusting sleeve 11. When the locking rod 24 is disengaged from the locking hole, the adjusting inner plate 12 can slide to adjust the position. At this time, the third spring 25 is deformed. Therefore, after the position is adjusted, the elasticity of the third spring 25 can be used to drive the locking rod 24 to quickly return to the lock hole, thereby improving the convenience of the locking operation.

[0034] When in use, the fixture base plate 1 is fixed with bolts 2, and the initial position of the support column 7 on the second movable plate 6 is adjusted according to the specifications of the PCB board. When adjusting, the support column 7 is first rotated to make the adjustment rod 20 disengage from the thread groove, and then the adjustment rod 20 is screwed into the thread groove at the appropriate position to achieve adjustment, and then the PCB board is placed on the surface of the fixture base plate 1 and located between the four positioning columns 8, and the knob is turned to drive the two-way screw 3 to rotate. The rotation of the two-way screw 3 drives the two first movable plates 4 to be relatively close, and then drives the front and rear positioning columns 8 to be relatively close. At the same time, under the action of the articulated arm 5, the two second movable plates 6 are relatively close, and then the left and right positioning columns 8 are driven to be relatively close, so as to achieve the front, back, left and right four-way clamping and fixing of the PCB board. After fixing, the cover plate 9 is aligned with the fixture base plate 1 and assembled. During assembly, the positioning columns 18 are positioned. The fixture bottom plate 1 and the cover plate 9 are locked by the buckle 10, and the front and rear positions and left and right positions of the rubber pressure plate 15 are adjusted according to the clamping position. When adjusting the front and rear positions, the card rod 23 is pressed to make the card rod 23 disengage from the card hole. At this time, the adjustment sleeve 11 can slide back and forth in the trapezoidal slide groove through the trapezoidal slider 21. After sliding to the appropriate position, the card rod 23 is driven to be inserted into the card hole by the elasticity of the second spring 22 to complete the front and rear position adjustment. When adjusting the left and right positions, the locking rod 24 is pulled to make the locking rod 24 disengage from the locking hole. At this time, the adjustment inner plate 12 can move horizontally left and right. After adjusting to the appropriate position, the locking rod 24 is released, and the locking rod 24 is driven to be inserted into the locking hole by the elasticity of the third spring 25 to complete the left and right position adjustment. At this time, the elasticity of the first spring 16 will drive the rubber pressure plate 15 to be pressed on the surface of the PCB board.

Claims

1. An adaptive anti-floating wave soldering plug-in fixture, characterized in that: The jig comprises a jig base plate (1), wherein four corners of the jig base plate (1) are provided with mounting holes and bolts (2) are passed through the mounting holes, a bidirectional lead screw (3) is rotatably mounted inside the jig base plate (1), one end of the bidirectional lead screw (3) extends out of the jig base plate (1) and is fixed with a knob, a first movable plate (4) is threadedly mounted on two threaded outer surfaces of the bidirectional lead screw (3), both ends of the first movable plate (4) are hingedly mounted with hinged arms (5), a second movable plate (6) is hingedly mounted between two hinged arms (5) at the same side positions at the front and rear, a support column (7) is provided on the upper surface of the first movable plate (4) and the upper surface of the second movable plate (6), the support column (7) located on the upper surface of the first movable plate (4) is fixedly connected to the first movable plate (4), and the support column (7) located on the upper surface of the second movable plate (6) is fixedly connected to the first movable plate (4). The support column (7) on the surface is movably connected to the second movable plate (6); the support column (7) extends out of the jig bottom plate (1) through a channel provided on the surface of the jig bottom plate (1) and is rotatably mounted with a locking column (8); a cover plate (9) is fitted on the surface of the jig bottom plate (1); a buckle (10) for locking the cover plate (9) is provided on the surface of the jig bottom plate (1); a plurality of adjustment sleeves (11) are movably mounted on the inner wall of the cover plate (9); an adjustment inner plate (12) is slidably mounted inside the adjustment sleeve (11); a mounting plate (13) is fixedly mounted on the end of the adjustment inner plate (12); a sliding column (14) is slidably mounted on the mounting plate (13); a rubber pressure plate (15) is fixedly mounted on the bottom end of the sliding column (14); and a first spring (16) is fixedly mounted between the mounting plate (13) and the rubber pressure plate (15).

2. The adaptive anti-floating wave soldering plug-in fixture according to claim 1 is characterized in that: A plurality of telescopic rods (17) are fixed to the side surfaces of the first movable plate (4) and the second movable plate (6), and the telescopic rods (17) are fixedly mounted on the inner wall of the fixture bottom plate (1).

3. The adaptive anti-floating wave soldering plug-in fixture according to claim 1 is characterized in that: An adjusting rod (20) is fixedly mounted on the bottom end of the movable support column (7), the outer surface of the adjusting rod (20) has a thread, and the upper surface of the second movable plate (6) is provided with a plurality of thread grooves for use with the adjusting rod (20).

4. The adaptive anti-floating wave soldering plug-in fixture according to claim 1 is characterized in that: A trapezoidal slider (21) is fixedly mounted on the end of the adjusting sleeve (11); a trapezoidal slide groove for the trapezoidal slider (21) to slide is provided on the inner wall of the cover plate (9); a second spring (22) is fixedly mounted on the inner wall of the trapezoidal slider (21); a clamping rod (23) is fixedly mounted on the end of the second spring (22); a plurality of clamping holes are provided on the surface of the cover plate (9) at positions facing the trapezoidal slide groove; the clamping rod (23) and the clamping holes are used in coordination.

5. The adaptive anti-floating wave soldering plug-in fixture according to claim 1 is characterized in that: A plurality of positioning columns (18) are fixed to the upper surface of the fixture base plate (1), and a plurality of positioning holes (19) are provided on the cover plate (9) at positions directly opposite to the positioning columns (18).

6. The adaptive anti-floating wave soldering plug-in fixture according to claim 1 is characterized in that: A locking rod (24) is slidably inserted into the adjusting outer sleeve (11), a plurality of locking holes for use with the locking rod (24) are provided on the adjusting inner plate (12), and a third spring (25) is fixedly installed between the head end of the locking rod (24) and the adjusting outer sleeve (11).

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