CN209845480U

CN209845480U - Furnace-passing jig

Info

Publication number: CN209845480U
Application number: CN201920169420.0U
Authority: CN
Inventors: 秘登武
Original assignee: Guangzhou Yuda Electronics Co Ltd
Current assignee: Guangzhou Yuda Electronics Co Ltd
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2019-12-24
Anticipated expiration: 2029-01-30

Abstract

The application relates to the technical field of circuit board processing, and discloses a furnace-passing jig which comprises a jig plate, a frame with a plurality of frames and a locking and pressing device, wherein two sides of the jig plate are erected on the frame; the locking device comprises a locking plate, a clamping and a positioning pin, the locking plate comprises a fixing plate and an elastic part, the clamping is rotatably connected to the jig plate and can fix the fixing plate on the jig plate, and positioning holes corresponding to the positioning pins are formed in the corners of the fixing plate. So set up, solved the commonality of current tin stove tool of crossing relatively poor, the high-order electronic component on function singleness and the PCB board because of there is not auxiliary pressure, easily swayd receiving vibrations at the in-process that gets into tin stove, causes the problem of high-order electronic component's rosin joint, empty solder joint or slope.

Description

Furnace-passing jig

Technical Field

The application relates to the technical field of circuit board processing, more specifically relates to a furnace jig.

Background

The SMT (surface Mount technology) surface assembly technology is the most popular technology and process in the electronic assembly industry at present, and the tin furnace jig is a novel circuit board jig aiming at SMT processing and can be suitable for various PCB boards with SMD (surface Mounted devices) surface mounting devices on the soldering tin surface of a plug-in component material.

At present, when the wave soldering process of the PCB of the printed circuit board is carried out in the electronic industry, the tin furnace jig is usually designed according to the specifications of different PCBs, the tin furnace jig supports the circuit board in the soldering process, the bending of the substrate is prevented, and the deformation caused by the tin furnace is reduced. For the circuit board with an irregular shape, a special jig needs to be provided, various types of circuit boards need to be processed in the whole workshop, the circuit board with the irregular shape has different shapes, if one type of irregular circuit board corresponds to one jig, the processing cost of the circuit board is high, and the circuit board is not suitable for large-scale popularization.

In addition, in the process of soldering tin on the PCBA board in the tin soldering furnace, factors such as vibration easily cause the electronic elements on the PCBA board to incline or shift, so that the processed product has problems of empty soldering, insufficient soldering or infirm soldering, and the like, and therefore, a locking and pressing device is generally required to be used for avoiding the situations. In the prior art, a screw nut or a locking knob is usually adopted to fasten the PCB on the jig plate, and after the fastening measure is adopted, the short electronic elements on the PCB are not easy to incline or shift in the process of entering a tin furnace, so that the problems of insufficient soldering, empty soldering and the like are not easy to generate; however, the high-level electronic components on the PCB are subject to vibration and vibration during entering the solder pot due to no auxiliary pressure, and are inclined or displaced, which causes insufficient soldering, empty soldering or inclination of the high-level electronic components, resulting in poor appearance or poor contact of the processed PCBA, and thus the defective rate is high.

Therefore, how to solve the problems of poor universality and single function of the existing tin furnace jig and the problem that the high-position electronic element on the PCB is easy to swing due to vibration and incline or shift in the process of entering the tin furnace because of no auxiliary pressure, which causes the insufficient soldering, empty soldering or inclination of the high-position electronic element, becomes an important technical problem to be solved by the personnel in the field.

SUMMERY OF THE UTILITY MODEL

For overcoming the problem that exists in the correlation technique to a certain extent at least, the utility model aims to provide a cross stove tool, it can solve the current poor, the function singleness of tin stove tool and the high-order electronic component on the PCB board of crossing because of there is not auxiliary pressure, easily sways by vibrations at the in-process that gets into the tin stove, takes place slope or aversion, causes the problem of high-order electronic component's rosin joint, empty solder joint or slope.

The utility model provides a furnace-passing jig, which comprises a jig plate for fixing a PCBA plate, a frame with a plurality of frames and a locking and pressing device for locking the PCBA plate on the jig plate,

two sides of the jig plate are erected on the frame, a transverse adjusting rod and a longitudinal adjusting rod perpendicular to the transverse adjusting rod are slidably arranged on the frame, two ends of the transverse adjusting rod and two ends of the longitudinal adjusting rod are respectively located on the two opposite side frames, and the other two sides of the jig plate are respectively located on the transverse adjusting rod and the longitudinal adjusting rod;

the locking and pressing device comprises a locking and pressing plate piece used for locking and pressing the PCBA board, a clamping device located on the PCBA board and a positioning pin located on the jig board, the locking and pressing plate piece comprises a fixed plate and an elastic piece located on the lower surface of the fixed plate, the clamping device is rotationally connected onto the jig board and can fix the fixed plate onto the jig board, and positioning holes corresponding to the positioning pins are formed in corners of the fixed plate.

Preferably, a sliding groove for the end of the transverse adjusting rod or the longitudinal adjusting rod to extend into is formed in the frame, and a first strip-shaped hole for the longitudinal adjusting rod to penetrate through is formed in the transverse adjusting rod, so that the transverse adjusting rod and the longitudinal adjusting rod can slide relatively.

Preferably, the two ends of the transverse adjusting rod and the two ends of the longitudinal adjusting rod are both provided with connecting blocks, and the connecting blocks are embedded into the sliding grooves through sliding block bolts.

Preferably, one side wall of the sliding groove is provided with a second strip-shaped hole, one end of the sliding block bolt penetrates through the second strip-shaped hole and extends into the sliding groove, and the sliding block bolt can slide along the second strip-shaped hole.

Preferably, the transverse adjusting rod, the longitudinal adjusting rod and the frame are all provided with hanging pieces, the jig plate is fixed on the upper surface of the hanging pieces, and the upper surfaces of the hanging pieces are located on the same plane.

Preferably, the clamping device comprises a fixing portion fixedly connected with the jig plate and a clamping portion rotatably connected to the fixing portion, and the clamping portion is connected with the fixing portion through a pin shaft.

Preferably, the clamping part and the fixing part are also provided with a torsional spring for limiting the rotation of the clamping part, the torsional spring is sleeved on the pin shaft, one end of the torsional spring is fixedly connected with the fixing part, and the other end of the torsional spring is fixedly connected with the clamping part.

Preferably, the lower end of the elastic member is provided with a protection head portion capable of contacting with high-level electronic components on the PCBA board.

Preferably, the protective head is a cylinder.

Preferably, the jig plate and the frame are made of titanium alloy.

The technical scheme provided by the embodiment of the application can have the following beneficial effects:

the application provides a cross stove tool, when using, erect two adjacent sides of tool board on the frame, erect respectively on horizontal regulation pole and vertical regulation pole two other sides of tool board, can adjust left right width and upper and lower width through the slip of horizontal regulation pole and vertical regulation pole, with adapt to the not unidimensional, the tool board of type, the tool board is used for fixed PCBA board, the tool board size and type can be confirmed according to the PCBA board, so that this tool can adapt to the PCBA board of not unidimensional and type.

Can press the high-order electronic component on covering the PCBA board through the lock pressure plate fast, carry on spacingly to the lock pressure plate through the locating pin to lock through the clamping and press fixed lock pressure plate, make and to form closely laminating fast between high-order electronic component and the PCBA board, effectively avoided high-order electronic component appear rosin joint, empty solder joint or slope etc. when crossing the tin stove and lead to phenomenons such as the outward appearance is bad or contact failure, improved production efficiency.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

FIG. 1 is a block diagram of a furnace jig according to an exemplary embodiment;

FIG. 2 is a block diagram of a jig plate of a furnace jig according to an exemplary embodiment;

fig. 3 is a structural view of a locking plate of a furnace jig according to an exemplary embodiment.

In the figure:

1-jig plate, 2-transverse adjusting rod, 3-longitudinal adjusting rod, 4-hanging piece, 5-positioning pin, 6-fixing part, 7-clamping part, 8-bulge, 9-fixing plate, 10-positioning hole, 11-spring and 12-head protection.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

Referring to the accompanying drawings 1-3, the present embodiment provides a furnace-passing jig, which comprises a jig plate 1, a frame with four frames and a locking device, wherein a transverse adjusting rod 2 and a longitudinal adjusting rod 3 are slidably arranged on the frame, two ends of the transverse adjusting rod 2 and the longitudinal adjusting rod 3 are respectively located on two opposite frames, the jig plate 1 is detachably erected on the frame by two adjacent sides, the other two sides of the jig plate 1 are detachably erected on the transverse adjusting rod 2 and the longitudinal adjusting rod 3 respectively, and the transverse adjusting rod 2 and the longitudinal adjusting rod 3 are perpendicular to each other.

During the use, erect two adjacent sides of tool board 1 on the frame, erect respectively on horizontal adjusting rod 2 and vertical adjusting rod 3 two other sides of tool board 1, can adjust left right width and upper and lower width through the slip of horizontal adjusting rod 2 and vertical adjusting rod 3 to adapt to the tool board 1 of not unidimensional, the type, tool board 1 is used for fixed PCBA board, the size and the type of tool board 1 can be confirmed according to the PCBA board, so that this tool can adapt to the PCBA board of not unidimensional and type.

The lock is pressed the device and can is pressed the PCBA board lock on tool board 1, and the lock is pressed the device and is pressed the plate spare including the lock, clamping and locating pin 5, and clamping and locating pin 5 all are located tool board 1, and the lock is pressed the plate spare and is included fixed plate 9 and elastic component, and the elastic component is located the lower surface of fixed plate 9 to can contact with the high-order electronic component on the PCBA board, the clamping rotationally connects on tool board 1 and can fix fixed plate 9 on tool board 1.

Still be provided with locating hole 10 on the fixed plate 9, locating hole 10 is corresponding with locating pin 5, and in the installation, locating pin 5 can stretch into in locating hole 10 to carry on spacingly to fixed plate 9, in order to prevent that fixed plate 9 from inclining.

Can press the high-order electronic component on the PCBA board through the lock clamp plate spare fast, carry on spacingly through locating pin 5 to the lock clamp plate spare, and come the lock to press fixed lock clamp plate spare through the clamping, make and closely laminate to form fast between high-order electronic component and the PCBA board, effectively avoided high-order electronic component appear rosin joint, empty solder joint or slope etc. when crossing the tin stove and lead to phenomenons such as the outward appearance is bad or contact failure, improved production efficiency.

So set up, solved the commonality of current tin stove tool of crossing relatively poor, the high-order electronic component on function singleness and the PCB board because of there is not auxiliary pressure, easily swayd receiving vibrations at the in-process that gets into tin stove, takes place slope or aversion, causes the problem of high-order electronic component's rosin joint, empty solder joint or slope.

In this embodiment, the frame is provided with a sliding groove into which the end of the transverse adjusting rod 2 or the longitudinal adjusting rod 3 extends, so that the transverse adjusting rod 2 or the longitudinal adjusting rod 3 slides along the sliding groove. Wherein, the sliding tray extends along the length direction of the frame.

Wherein, for the convenience of horizontal adjusting rod 2 and indulge adjusting rod 3 and can the relative slip, and each other do not restrict, be provided with first bar hole on the horizontal adjusting rod 2, the one end of indulging adjusting rod 3 stretches into the sliding tray after passing first bar hole, first bar hole extends along the length direction of horizontal adjusting rod 2, make to indulge adjusting rod 3 and can follow the length direction slip of horizontal adjusting rod 2, and horizontal adjusting rod 2 also can follow the length direction slip of indulging adjusting rod 3, thereby realize horizontal adjusting rod 2 and the relative slip of indulging adjusting rod 3, and each other do not restrict.

It should be noted that, in another embodiment, the longitudinal adjustment rod 3 may also be provided with a first strip-shaped hole, one end of the transverse adjustment rod 2 passes through the first strip-shaped hole and then extends into the sliding groove, the first strip-shaped hole extends along the length direction of the longitudinal adjustment rod 3, so that the transverse adjustment rod 2 can also slide along the length direction of the longitudinal adjustment rod 3, and the longitudinal adjustment rod 3 can also slide along the length direction of the transverse adjustment rod 2, thereby realizing the relative sliding between the transverse adjustment rod 2 and the longitudinal adjustment rod 3, and being not limited to each other.

Further, the both ends of horizontal adjusting rod 2 and vertical adjusting rod 3 all are provided with the connecting block, in the connecting block embedding sliding tray, still be provided with the slider bolt on the connecting block and between the sliding tray, the slider bolt is used for restricting the connecting block and slides, like this, can restrict horizontal adjusting rod 2 and vertical adjusting rod 3 through the slider bolt and slide to prevent horizontal adjusting rod 2 or vertical adjusting rod 3 and freely slide.

Specifically, be provided with second bar hole on one of them lateral wall of sliding tray, the one end of slider bolt is passed the second bar hole and is stretched into in the sliding tray to the slider bolt can be followed the removal of second bar hole.

It should be noted that the second bar-shaped hole extends along the extending direction of the sliding groove, and the length of the second bar-shaped hole is equal to the length of the sliding groove.

After the transverse adjusting rod 2 or the longitudinal adjusting rod 3 slides to a required position, the sliding block bolt slides to a corresponding position and is locked, so that the sliding block bolt tightly pushes the connecting block of the transverse adjusting rod 2 or the longitudinal adjusting rod 3, the connecting block tightly pushes the side wall of the sliding groove, the connecting block cannot continuously slide, and the transverse adjusting rod 2 and the longitudinal adjusting rod 3 are fixed.

In order to prevent the sliding block bolt from falling off from the frame, one end of the sliding block bolt extending into the sliding groove is provided with a cross-shaped blocking piece, and the length of the blocking piece is larger than the width of the second strip-shaped hole, so that the sliding block bolt is prevented from being separated from the sliding groove.

In this embodiment, all be provided with on horizontal adjusting pole 2, vertical adjusting pole 3 and the frame and hang and put piece 4, tool board 1 is fixed and is being hung the upper surface of putting piece 4 to hang the upper surface of putting piece 4 on the coplanar, like this, can guarantee the stationarity of tool board 1, prevent tool board 1 slope, thereby prevented that the PCBA board slope from placing, so that fix a position all electronic component on the PCBA board.

In this embodiment, the clamping includes a fixing portion 6 and a clamping portion 7, the fixing portion 6 is fixedly connected to the jig plate 1, the clamping portion 7 is rotatably connected to the fixing portion 6, the clamping portion 7 can clamp the fixing plate 9 between the clamping portion 7 and the fixing portion 6, and the clamping portion 7 is connected to the fixing portion 6 through a pin.

A torsion spring used for limiting the rotation of the clamping part 7 is further arranged between the clamping part 7 and the fixing part 6, the torsion spring is sleeved on the pin shaft, one end of the torsion spring is fixedly connected with the fixing part 6, the other end of the torsion spring is fixedly connected with the clamping part 7, wherein the acting force of the torsion spring provided for the fixing plate 9 through the clamping part 7 is far greater than the acting force provided for the fixing plate 9 by the elastic part, so that the fixing plate 9 is clamped between the fixing part 6 and the clamping part 7 by the clamping part 7 and cannot be reflected.

Wherein, the clamping is located the edge of tool board 1, and the top of clamping portion 7 is provided with the arch 8 towards the inboard, and the PCBA board can be pressed from both sides between arch 8 and fixed part 6 by clamping portion 7 to it is fixed with the PCBA board. When the locking and pressing plate is installed, the fixing plate 9 is slightly pressed downwards, the clamping part 7 is rotated, the fixing plate 9 is positioned between the protrusion 8 and the fixing part 6, and the PCBA is fixed; when the PCBA board needs to be detached, the clamping part 7 is rotated, the protrusions 8 are enabled to rotate outwards and far away from the fixing part 6, and the PCBA board can be taken down.

In this embodiment, the lower extreme of elastic component is provided with protection head 12, and protection head 12 can contact with the high-order electronic component on the PCBA board, and wherein, the elastic component can be spring 11, and spring 11 can be under the high-order different circumstances of electronic component height, can pinpoint the position automatically, forms use pressure and comes to press and attach high-order electronic component, and protection head 12 can protect high-order electronic component, prevents the hard atress of high-order electronic component.

Here, the protection head 12 may be a cylinder, and the material of the protection head 12 may be a black soft plastic material, so as to protect the high-level electronic component.

In this embodiment, the jig plate 1 and the frame are made of titanium alloy, and the titanium alloy has the characteristics of high strength, good corrosion resistance, high heat resistance, and the like.

It should be noted that the terms "first," "second," and the like, as used herein, are not intended to limit the specific order, but merely to distinguish one element or function from another.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. A furnace-passing jig is characterized by comprising a jig plate (1) for fixing a PCBA plate, a frame with a plurality of frames and a locking and pressing device for locking the PCBA plate on the jig plate (1),

two sides of the jig plate (1) are erected on the frame, a transverse adjusting rod (2) and a longitudinal adjusting rod (3) perpendicular to the transverse adjusting rod (2) are slidably arranged on the frame, two ends of the transverse adjusting rod (2) and two ends of the longitudinal adjusting rod (3) are respectively located on the two opposite side frames, and the other two sides of the jig plate (1) are respectively located on the transverse adjusting rod (2) and the longitudinal adjusting rod (3);

the locking and pressing device comprises a locking and pressing plate piece used for locking and pressing the PCBA board, a positioning pin (5) located on the jig board (1), wherein the locking and pressing plate piece comprises a fixing plate (9) and an elastic piece located on the lower surface of the fixing plate (9), the clamping is rotatably connected to the jig board (1) and can fix the fixing plate (9) to the jig board (1), and positioning holes (10) corresponding to the positioning pins (5) are formed in the corners of the fixing plate (9).

2. A furnace-passing jig according to claim 1, characterized in that the frame is provided with a sliding groove into which the end of the transverse adjusting rod (2) or the longitudinal adjusting rod (3) extends, and the transverse adjusting rod (2) is provided with a first strip-shaped hole through which the longitudinal adjusting rod (3) passes so that the transverse adjusting rod (2) and the longitudinal adjusting rod (3) slide relatively.

3. A furnace-passing jig according to claim 2, characterized in that the two ends of the transverse adjusting rod (2) and the longitudinal adjusting rod (3) are provided with connecting blocks, and the connecting blocks are embedded into the sliding grooves through sliding block bolts.

4. The furnace jig of claim 3, wherein the side wall of the sliding groove is provided with a second bar-shaped hole, one end of the slide block bolt passes through the second bar-shaped hole and extends into the sliding groove, and the slide block bolt can slide along the second bar-shaped hole.

5. A furnace-passing jig according to claim 1, characterized in that the transverse adjusting rod (2), the longitudinal adjusting rod (3) and the frame are all provided with hanging pieces (4), the jig plate (1) is fixed on the upper surface of the hanging pieces (4), and the upper surfaces of the hanging pieces (4) are located on the same plane.

6. A furnace jig according to claim 1, wherein the clip comprises a fixing portion (6) fixedly connected with the jig plate (1) and a holding portion (7) rotatably connected to the fixing portion (6), and the holding portion (7) is connected with the fixing portion (6) through a pin.

7. A furnace jig according to claim 6, wherein a torsion spring is arranged between the retaining part (7) and the fixing part (6) for limiting the rotation of the retaining part (7), the torsion spring is sleeved on the pin shaft, and one end of the torsion spring is fixedly connected with the fixing part (6) while the other end is fixedly connected with the retaining part (7).

8. A furnace jig according to claim 1, wherein the lower end of the elastic member is provided with a protection head (12), and the protection head (12) can be contacted with high-level electronic components on the PCBA board.

9. A furnace jig according to claim 8, wherein the protective head (12) is a cylinder.

10. A furnace-passing jig according to claim 1, characterized in that the jig plate (1) and the frame are made of titanium alloy.