CN210996960U - Welding jig - Google Patents

Abstract

The utility model discloses a welding jig for fixed flexible circuit board, including the base and set up pressing piece and mounting above that, the base is including the horizontal face that is located the top and the vertical face that is located the side, the pressing piece sets up on the horizontal face, the mounting sets up on the vertical face, horizontal face with vertical face links up each other, the pressing piece with the mounting all is used for fixing flexible circuit board, the pressing piece with the base rotates to be connected, the mounting includes a plurality of fixed strips, the fixed strip is used for cliping flexible circuit board. By utilizing the pressing piece and the fixing piece, the flexible circuit board can be fixed on the welding jig in a bending mode, namely the flexible circuit board is fixed in two sections, the arching condition of the flexible circuit board is reduced, and the product yield is improved.

Description

Welding jig

Technical Field

The utility model relates to a flexible circuit board welding technology field especially relates to a welding jig.

Background

Along with the improvement of living standard of people, electronic products are more and more commonly used, and in the production of electronic products, a flexible circuit board needs to be welded.

When the flexible circuit board is welded, the flexible circuit board is unfolded and horizontally placed on a welding jig, and then the flexible circuit board is soldered by soldering. During welding, the flexible circuit board needs to be kept in a flat state continuously, and the situation of arching cannot occur.

The existing welding jig can only be suitable for a flexible circuit board with short length, when the flexible circuit board is long, the flexible circuit board is unfolded and flatly placed, the situation of arching is inevitable, the phenomena of insufficient soldering, false soldering or poor deviation and the like are caused, and the product yield is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can improve the welding jig of product yield.

The utility model provides a welding jig for fixed flexible circuit board, includes the base and sets up pressing piece and mounting on it, the base is including the horizontal face that is located the top and the vertical face that is located the side, the pressing piece sets up on the horizontal face, the mounting sets up on the vertical face, horizontal face with vertical face links up each other, the pressing piece with the mounting all is used for fixing flexible circuit board, the pressing piece with the base rotates to be connected, the mounting includes a plurality of fixed strips, the fixed strip is used for cliping flexible circuit board.

The utility model has the advantages that: by utilizing the pressing piece and the fixing piece, the flexible circuit board can be fixed on the welding jig in a bending mode, namely the flexible circuit board is fixed in two sections, the arching condition of the flexible circuit board is reduced, and the product yield is improved.

Additionally, according to the utility model provides a welding jig can also have following additional technical characterstic:

further, the pressing piece is of a plate-shaped structure, a rubber block is arranged on the pressing piece, and when the flexible circuit board is pressed by the pressing piece, the rubber block is in contact with the flexible circuit board.

Furthermore, an installation seat is arranged at one end, located on the pressing piece, of the transverse plane, and the pressing piece is rotatably connected with the installation seat through a return force rotating shaft.

Furthermore, a clamping block is arranged on the transverse face, when the pressing piece is in contact with the flexible circuit board, a gap exists between one end, connected with the return force rotating shaft, of the pressing piece and the transverse face, and the clamping block is used for being inserted into the gap to fix the position of the pressing piece.

Furthermore, the contact surfaces of the pressing piece and the fixture block are inclined surfaces, and the inclined angle of the inclined surface of the fixture block is larger than that of the pressing piece.

Furthermore, the joint of the transverse surface and the longitudinal surface is an arc surface.

Further, the fixing member includes 2 longitudinal fixing strips and 1 transverse fixing strip.

Further, a sponge layer is arranged on the surface of the fixing strip.

Further, the fixing strip is attached to the longitudinal face through a double-sided adhesive tape.

Further, the edge of the double-sided tape is disposed offset from the edge of the fixing strip.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a welding jig according to a first embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the pressing member of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the longitudinal fastening strip of FIG. 1;

in the figure: 1-base, 11-mounting seat, 12-resilience rotating shaft, 13-clamping block, 14-transverse surface, 15-longitudinal surface, 2-pressing piece, 21-rubber block, 3-fixing piece, 31-longitudinal fixing strip, 311-sponge layer, 312-double faced adhesive tape, 32-transverse fixing strip and 4-flexible circuit board.

Detailed Description

In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a first embodiment of the present invention provides a welding jig for fixing a flexible circuit board 4, which includes a base 1, and a pressing member 2 and a fixing member 3 disposed thereon.

Specifically, the base 1 includes a transverse surface 14 located at the top and a longitudinal surface 15 located at the side, the pressing element 2 is disposed on the transverse surface 14, the fixing element 3 is disposed on the longitudinal surface 15, the transverse surface 14 and the longitudinal surface 15 are connected to each other, both the pressing element 2 and the fixing element 3 are used for fixing the flexible circuit board 4, the pressing element 2 is rotatably connected to the base 1, the fixing element 3 includes 2 longitudinal fixing strips 31 and 1 transverse fixing strip 32, and the longitudinal fixing strips 31 and the transverse fixing strips 32 are used for clamping the flexible circuit board 4.

In the present embodiment, the structure of the base 1 is an approximately rectangular parallelepiped structure.

The utility model discloses a theory of operation is: the purpose is to weld the lead portion of the narrower part of flexible circuit board, and the wider part of flexible circuit board is fixed through fixing piece 3 clip, and the lead portion of buckling again utilizes pressing member 2 to press the lead portion, has realized flattening respectively longer flexible circuit board to ensure that the lead portion keeps leveling, the welding of being convenient for.

The utility model has the advantages that: by utilizing the pressing piece 2 and the fixing piece 3, the flexible circuit board 4 can be fixed on the welding jig in a bending mode, namely the flexible circuit board 4 is fixed in two sections, so that the arching condition of the flexible circuit board 4 is reduced, and the product yield is improved.

Specifically, the pressing member 2 is a plate-shaped structure, a rubber block 21 is arranged on the pressing member 2, and when the pressing member 2 presses the flexible circuit board 4, the rubber block 21 is in contact with the flexible circuit board 4.

It can be understood that the rubber block 21 is in flexible contact with the flexible circuit board 4, and the fixing effect is better than that of the conventional rigid contact.

Referring to fig. 2, in addition, an installation seat 11 is disposed at one end of the pressing member 2 on the transverse plane 14, and the pressing member 2 is rotatably connected to the installation seat 11 through a return rotating shaft 12. In this embodiment, under the action of the return force rotating shaft 12, the pressing member 2 is in an initial state of contacting with the transverse surface 14, the flexible circuit board 4 can be placed under the pressing member 2 through the annular pressing member 2, and the flexible circuit board 4 can be automatically pressed by releasing the pressing member 2.

Preferably, a latch 13 is disposed on the transverse surface 14, when the pressing element 2 contacts the flexible circuit board 4, a gap exists between one end of the pressing element 2 connected to the return rotating shaft 12 and the transverse surface 14, and the latch 13 is configured to be inserted into the gap, so that the position of the pressing element 2 is fixed.

It can be understood that, when the latch 13 is inserted into the gap, the pressing member 2 cannot rotate, so that the pressing member 2 is fixed, and the pressing member 2 is not loosened due to instability of the return rotating shaft 12.

Furthermore, the contact surfaces of the pressing element 2 and the latch 13 are both inclined surfaces, and the inclined angle of the inclined surface of the latch 13 is greater than that of the pressing element 2, so that when the latch 13 is inserted into the gap, the pressing element 2 is lifted up from one end of the rubber block 21, thereby forming a lever structure, and the pressing element 2 presses the flexible circuit board 4 more tightly.

In addition, the joint of the transverse surface 14 and the longitudinal surface 15 is an arc surface, so that the structure can be suitable for the flexible circuit board 4 which has stronger toughness and is difficult to bend at a right angle, and the flexible circuit board can be well attached to the base 1 even if the flexible circuit board is not bent at a right angle, so that the flexible circuit board is kept flat.

Referring to fig. 3, specifically, a sponge layer 311 is disposed on a surface of the longitudinal fixing strip 31, the longitudinal fixing strip 31 is attached to the longitudinal surface 15 by a double-sided tape, and an edge of the double-sided tape 312 is offset from an edge of the longitudinal fixing strip 31. The transverse fixing strip 32 has the same structure as the longitudinal fixing strip 31.

It should be noted that, with the flexible structure of the sponge layer 311, the flexible circuit board 4 can be fixed by pressing the sponge layer 31, wherein the double-sided adhesive tape 312 does not extend to the edge of the longitudinal fixing strip 31, so as to prevent the double-sided adhesive tape 312 from sticking to the flexible circuit board 4. When the adhesive tape is applied to flexible circuit boards 4 of different sizes, the longitudinal fixing strip 31 or the transverse fixing strip 32 can be torn off and then adhered to a new position again, and if the adhesiveness is insufficient, the double-sided adhesive tape 312 can be updated.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a welding jig for fixed flexible circuit board, its characterized in that includes the base and sets up pressing piece and mounting on it, the base is including the horizontal face that is located the top and the vertical face that is located the side, the pressing piece sets up on the horizontal face, the mounting sets up on the vertical face, horizontal face with vertical face links up each other, the pressing piece with the mounting all is used for fixing flexible circuit board, the pressing piece with the base rotates to be connected, the mounting includes a plurality of fixed strips, the fixed strip is used for cliping flexible circuit board.

2. The welding jig of claim 1, wherein the pressing member is a plate-shaped structure, and a rubber block is disposed on the pressing member, and when the pressing member presses the flexible circuit board, the rubber block contacts the flexible circuit board.

3. The welding jig of claim 1, wherein a mounting seat is arranged at one end of the transverse surface, which is located on the pressing piece, and the pressing piece is rotatably connected with the mounting seat through a return rotating shaft.

4. The welding jig of claim 3, wherein a fixture block is arranged on the transverse surface, when the pressing piece contacts the flexible circuit board, a gap exists between one end of the pressing piece, which is connected with the return force rotating shaft, and the transverse surface, and the fixture block is used for being inserted into the gap to fix the position of the pressing piece.

5. The welding jig of claim 4, wherein the contact surfaces of the pressing piece and the fixture block are both inclined surfaces, and the inclination angle of the inclined surface of the fixture block is greater than that of the pressing piece.

6. The welding jig of claim 1, wherein a junction of the transverse face and the longitudinal face is an arc face.

7. The welding jig of claim 1, wherein the fixture comprises 2 longitudinal fixation bars and 1 transverse fixation bar.

8. The welding jig of claim 1, wherein a sponge layer is disposed on the surface of the fixing strip.

9. The welding jig of claim 1 or 7, wherein the fixing strip is attached to the longitudinal face by a double-sided adhesive tape.

10. The welding jig of claim 9, wherein edges of the double-sided adhesive tape are offset from edges of the securing strip.

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