CN215818811U

CN215818811U - Wave soldering clamp for circuit board

Info

Publication number: CN215818811U
Application number: CN202122124803.6U
Authority: CN
Inventors: 李兵; 赵立; 朱斌; 王士达
Original assignee: Shenzhen Yishidaxin Precision Technology Co ltd
Current assignee: Shenzhen Yishidaxin Precision Technology Co ltd
Priority date: 2021-09-04
Filing date: 2021-09-04
Publication date: 2022-02-11
Anticipated expiration: 2031-09-04

Abstract

The utility model discloses a wave-soldering welding fixture for a circuit board, which comprises a fixing frame, wherein two sliding rods are fixedly connected to two ends between the inner walls of two sides of the fixing frame, two sliding sleeves are sleeved at one ends of the outer parts of the two sliding rods, one side of each sliding sleeve is fixedly connected with the same rack, a circular opening is formed in the middle of the top end of the fixing frame, the fixing frame is rotatably connected with a rotating rod at the circular opening through a damping rotating shaft, a handle is fixedly connected to the top end of the rotating rod, and a gear is connected to the bottom end of the rotating rod through a key. According to the utility model, by arranging the fixing frame, when the circuit board is fixed, the circuit board can be placed between the two clamping plates, then the handle is twisted, the handle drives the gear to rotate through the rotating rod, and the gear drives the rack to move, so that the two clamping plates can be close to each other, and the circuit board is clamped and fixed.

Description

Wave soldering clamp for circuit board

Technical Field

The utility model relates to the technical field of circuit board wave soldering, in particular to a circuit board wave soldering clamp.

Background

Wave soldering is the soldering process in which the soldering surface of a plug-in board is directly contacted with high-temperature liquid tin to achieve the purpose of soldering, the high-temperature liquid tin keeps an inclined surface, and the liquid tin forms a wave-like phenomenon by a special device, so the wave soldering is called as wave soldering, and the main material of the wave soldering is a soldering tin bar.

Need use anchor clamps to fix the circuit board when the circuit board carries out wave-soldering, then utilize guide rail and actuating mechanism to let anchor clamps drive the circuit board and remove, but conventional anchor clamps degree of regulation is weak, uses to have certain limitation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a wave soldering clamp for a circuit board.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a circuit board wave-soldering welding jig, includes fixed frame, the equal fixedly connected with slide bar in both ends department between the both sides inner wall of fixed frame, two the outside one end of slide bar all overlaps and is equipped with two sliding sleeves, two the same rack of one side fixedly connected with of sliding sleeve, circular opening has been seted up at the top middle part of fixed frame, and fixed frame rotates through the damping pivot at circular opening part and is connected with the dwang, the top fixedly connected with handle of dwang, and the bottom of dwang has the gear through the key-type connection, the gear all meshes, two with two racks the equal fixedly connected with splint of one end of gear is kept away from to the rack.

Further, the top both sides of fixed frame all rotate and are connected with the connecting rod, two the equal fixedly connected with baffle in top of connecting rod, and the outside cover of two connecting rods is equipped with same fixed plate.

Further, the opening has all been seted up to the plate body both sides of fixed plate, and two connecting rods run through the fixed plate at two openings part respectively, and the both sides of fixed plate all have seted up the screw thread through-hole at two openings parts, and the fixed plate has the bolt at the equal threaded connection of two screw thread through-hole departments.

Further, the fixed box of top fixedly connected with of fixed plate, one side inner wall of fixed box rotates and is connected with two-way threaded rod, and the opposite side of fixed box has seted up circular through-hole, the one end of two-way threaded rod extends to the outside of fixed box at circular through-hole department, and two-way threaded rod is in the outside one end fixedly connected with knob of fixed box.

Furthermore, the two-way threaded rod is in the equal threaded connection of the body of rod outside of fixed box inside and has the thread bush, two the equal fixedly connected with vaulting pole in top of thread bush, the bar opening has been seted up on the top of fixed box, two the vaulting pole all extends to the outside of fixed box at the bar opening part, and the top of two vaulting poles all rotates and is connected with the gyro wheel.

Further, two the equal fixedly connected with telescopic link in one side both ends that splint are close to each other, two the same fly leaf of one end fixedly connected with of telescopic link, fixedly connected with compression spring between fly leaf and the splint.

The utility model has the beneficial effects that:

1. through setting up fixed frame, when fixed circuit board, can place the circuit board between two splint, then the wrench movement handle, the handle passes through the dwang and drives gear revolve, and the gear drives the rack removal and can make two splint be close to each other to it is fixed with the circuit board centre gripping, so utilize the circuit board that this mode can fix different specifications, make the application range of device wider.

2. Through setting up connecting rod and bolt, can be through turning round loose bolt to separating with the connecting rod, be in the active state between connecting rod and the fixed plate this moment, the event can be adjusted the height and the angle of fixed frame according to mediating the position that the fixed plate was located in two connecting rod outsides to it is more convenient when letting the circuit board carry out wave-soldering.

3. Through setting up the gyro wheel, can utilize the sliding connection of gyro wheel and slide rail to come to carry out the wave-soldering of circuit board, can drive two-way threaded rod through wrench movement knob simultaneously and rotate to can make the interval of two thread bush change, adjust the interval of two gyro wheels with this, so let the device can be applicable to the slide rail of different grade type, make things convenient for the use of device.

4. Through setting up pressure spring and fly leaf, can utilize the fly leaf to carry out the centre gripping fixed to the circuit board when splint remove, so can utilize pressure spring self elasticity reinforcing fly leaf to the centre gripping effect of circuit board at the centre gripping in-process, and also only need when taking off the circuit board reverse stir the fly leaf can, so also let taking off of circuit board more convenient when guaranteeing circuit board centre gripping effect.

Drawings

Fig. 1 is a front view of a wave soldering jig for a circuit board proposed in embodiment 1;

fig. 2 is a sectional view of a top surface of a fixing frame of a wave soldering jig for a circuit board proposed in embodiment 1;

fig. 3 is a sectional view of a top surface of a fixing frame of a wave soldering jig for a circuit board proposed in embodiment 2.

In the figure: the device comprises a fixed frame 1, a connecting rod 2, a fixed plate 3, a bolt 4, a baffle 5, a knob 6, a support rod 7, a roller 8, a threaded sleeve 9, a two-way threaded rod 10, a fixed box 11, a rotating rod 12, a handle 13, a sliding rod 14, a gear 15, a sliding sleeve 16, a rack 17, a clamping plate 18, a movable plate 19, a pressure spring 20 and an expansion rod 21.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a circuit board wave-soldering welding jig, including fixed frame 1, the equal fixedly connected with slide bar 14 in both ends department between the both sides inner wall of fixed frame 1, two the outside one end of slide bar 14 all overlaps and is equipped with two sliding sleeves 16, two the same rack 17 of one side fixedly connected with of sliding sleeve 16, circular opening has been seted up at the top middle part of fixed frame 1, and fixed frame 1 rotates through the damping pivot at circular opening part and is connected with dwang 12, the top fixedly connected with handle 13 of dwang 12, and the bottom of dwang 12 has gear 15 through the key-type connection, gear 15 all meshes, two with two rack 17 the rack 17 keeps away from the equal fixedly connected with splint 18 of one end of gear 15.

The top both sides of fixed frame 1 all rotate and are connected with connecting rod 2, two the equal fixedly connected with baffle 5 in top of connecting rod 2, and the outside cover of two connecting rods 2 is equipped with same fixed plate 3. The opening has all been seted up to the plate body both sides of fixed plate 3, and two connecting rods 2 run through fixed plate 3 at two openings part respectively, and the both sides of fixed plate 3 all have seted up the screw thread through-hole at two openings parts, and fixed plate 3 has bolt 4 at the equal threaded connection of two screw thread through-hole departments. The fixed box 11 of top fixedly connected with of fixed plate 3, one side inner wall of fixed box 11 rotates and is connected with two-way threaded rod 10, and the opposite side of fixed box 11 has seted up circular through-hole, the one end of two-way threaded rod 10 extends to the outside of fixed box 11 at circular through-hole department, and two-way threaded rod 10 is in the outside one end fixedly connected with knob 6 of fixed box 11. The two-way threaded rod 10 is in the equal threaded connection in the inside body of rod outside of fixed box 11 and has thread bush 9, two the equal fixedly connected with vaulting pole 7 in top of thread bush 9, the bar opening has been seted up on the top of fixed box 11, two vaulting pole 7 all extends to the outside of fixed box 11 at the bar opening part, and the top of two vaulting poles 7 all rotates and is connected with gyro wheel 8.

The working principle is as follows: when wave soldering is carried out on a circuit board, the circuit board is placed on the fixed frame 1, the circuit board is positioned between the two clamping plates 18, then the handle 13 is twisted, the handle 13 drives the gear 15 to rotate through the rotating rod 12, the gear 15 drives the rack 17 to move, so that the two clamping plates 18 can be close to each other, the circuit board can be clamped and fixed, then the two rollers 8 are placed on the two sides of the sliding rail, the knob 6 is rotated, the knob 6 drives the two-way threaded rod 10 to rotate, so that the two threaded sleeves 9 can be close to each other, the threaded sleeves 9 drive the rollers 8 to move through the support rods 7 and then enter the sliding grooves on the two sides of the sliding rail, at the moment, the device can be installed on the sliding rail under the condition that the circuit board is fixed, then the angle of the circuit board can be adjusted according to the actual condition of wave soldering, in the process, the two knobs 6 are firstly twisted, and at the moment, the connecting rod 2 and the fixed plate 3 can be in the movable state, then adjust the position that fixed plate 3 is located in two connecting rods 2 outsides and can adjust the angle of fixed frame 1 to this angle of a pair of dot circuit board is adjusted, twists two knobs 6 again after adjusting and accomplish and can begin to carry out wave-soldering.

Example 2

Referring to fig. 3, in order to enhance the fixing effect of the circuit board, compared with embodiment 1, in the present embodiment, two ends of one side of the two clamping plates 18 close to each other are fixedly connected with telescopic rods 21, one end of the two telescopic rods 21 is fixedly connected with a same movable plate 19, and a pressure spring 20 is fixedly connected between the movable plate 19 and the clamping plate 18.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A wave soldering welding fixture for a circuit board comprises a fixing frame (1) and is characterized in that, sliding rods (14) are fixedly connected at two ends between the inner walls of the two sides of the fixed frame (1), two sliding sleeves (16) are sleeved at one ends of the outer parts of the two sliding rods (14), one side of each of the two sliding sleeves (16) is fixedly connected with the same rack (17), a circular opening is formed in the middle of the top end of the fixed frame (1), a rotating rod (12) is rotatably connected to the fixed frame (1) at the round opening through a damping rotating shaft, a handle (13) is fixedly connected to the top end of the rotating rod (12), and the bottom of dwang (12) has gear (15) through the key-type connection, gear (15) all mesh with two rack (17), two the equal fixedly connected with splint (18) of one end that gear (15) were kept away from in rack (17).

2. The wave soldering fixture for circuit boards according to claim 1, wherein the fixing frame (1) is rotatably connected with connecting rods (2) on both sides of the top end thereof, the top ends of the two connecting rods (2) are fixedly connected with baffle plates (5), and the same fixing plate (3) is sleeved on the outer portions of the two connecting rods (2).

3. The wave soldering fixture for circuit boards according to claim 2, wherein openings are formed in both sides of the board body of the fixing plate (3), the two connecting rods (2) respectively penetrate through the fixing plate (3) at the two openings, threaded through holes are formed in both sides of the fixing plate (3) at the two openings, and bolts (4) are screwed in the fixing plate (3) at the two threaded through holes.

4. The circuit board wave soldering fixture according to claim 2, wherein a fixing box (11) is fixedly connected to the top end of the fixing plate (3), a bidirectional threaded rod (10) is rotatably connected to the inner wall of one side of the fixing box (11), a circular through hole is formed in the other side of the fixing box (11), one end of the bidirectional threaded rod (10) extends to the outside of the fixing box (11) at the circular through hole, and a knob (6) is fixedly connected to one end of the bidirectional threaded rod (10) located outside the fixing box (11).

5. The circuit board wave soldering fixture according to claim 4, wherein the two-way threaded rod (10) is connected with a threaded sleeve (9) in a threaded manner on the outside of the rod body inside the fixing box (11), the top ends of the two threaded sleeves (9) are fixedly connected with support rods (7), a strip-shaped opening is formed in the top end of the fixing box (11), the two support rods (7) extend to the outside of the fixing box (11) at the strip-shaped opening, and the top ends of the two support rods (7) are rotatably connected with rollers (8).

6. The wave soldering fixture for circuit boards according to claim 1, wherein two ends of one side of the two clamping plates (18) close to each other are fixedly connected with a telescopic rod (21), one end of the two telescopic rods (21) is fixedly connected with a same movable plate (19), and a pressure spring (20) is fixedly connected between the movable plate (19) and the clamping plate (18).