CN210609917U

CN210609917U - Jig for welding small PCB

Info

Publication number: CN210609917U
Application number: CN201920723855.5U
Authority: CN
Inventors: 胡志军
Original assignee: Dazhou Guoxinda Technology Co ltd
Current assignee: Dazhou Guoxinda Technology Co ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-05-22
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a tool is used in welding of small-size PCB board, which comprises a fixed base, the hot plate, hold-down mechanism, fixture, the fixing base is the base of all other subassemblies, and fix on the base face, the hot plate is installed on the working face of fixing base, preheat the work piece, with the heat altered shape that reduces the welding and produce, hold-down mechanism is to take the welding work piece to sticis on the hot plate, make work piece and hot plate fully contact, improve the heating effect, utilize the pinch roller of fixing in hold-down mechanism to push down the work piece, wheel-shaped structure can avoid the rigid contact with the work piece, consequently can not harm the work piece, fixture is to fix the work piece that is welding, reduce the hidden danger that handheld welding brought.

Description

Jig for welding small PCB

Technical Field

The utility model belongs to the tool field, concretely relates to tool is used in welding of small-size PCB board.

Background

For the welding of the small PCB, the prior art mainly has two methods, one is carried out by using a full-automatic welding robot, the other is manual welding, the manual welding has more obvious advantages for the production of small batches, because the welding position or the welding method can be changed at any time according to the requirement by the manual welding, and the welding robot needs to be coded in advance, the method is not suitable for the production of small batches, and the purchase cost and the later maintenance cost are high; in-process to small-size PCB board welding, do not have unified tool to fix the work piece, it is the direct handheld welding that welds of operating personnel mostly, nevertheless direct handheld easy wounded operating personnel, welded heat input simultaneously can lead to the PCB board to warp, influences welding quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tool is used in welding of small-size PCB board not only uses safelyr, can reduce the tendency of welding thermal deformation moreover.

In order to achieve the above object, the utility model discloses at least adopt following technical scheme:

small-size tool for PCB board welding, including fixing base, hold-down mechanism, fixture, the fixing base is used for fixed hold-down mechanism, clamping mechanism, and the hot plate has been laid to the top surface of fixing base, hold-down mechanism includes fixed beam, installation pole, pinch roller, and parallel arrangement has a plurality of installation poles on the fixed beam, and the installation pole is parallel with the hot plate, and installation pole bottom is fixed with a plurality of pinch rollers, and pinch roller highly uniform just sets up with the same direction, fixture is including pressing clamp plate, pivot, splint, presses clamp plate and splint to become the whole that obtuse angle interconnect connects into each other, and connecting portion fix in the pivot to it is fixed with the torsion spring in the pivot.

Furthermore, a plurality of small PCB boards can be placed on the heating plate.

Furthermore, the surface of the pressing wheel is made of rubber, so that scratches cannot be left.

Further, when the clamping plate presses on the heating plate, the torsion spring is still in a tight state.

Further, the contact surface of the clamping plate and the heating plate is covered with a rubber pad.

The utility model discloses can reach following beneficial effect at least:

(1) the workpiece is preheated through the heating plate, and the thermal deformation tendency generated by welding of the PCB is reduced.

(2) The pressing wheel in the pressing mechanism presses the workpiece to the heating plate, and meanwhile, the drawing-out of the PCB to be welded is not influenced.

(3) The workpiece is clamped through the clamping mechanism without being manually held, so that the safety in the working process is improved.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 schematically shows a structural schematic diagram of a main viewing angle of the present invention;

fig. 2 schematically shows a structural schematic view of a top view angle of the present invention;

fig. 3 schematically shows a partially enlarged view of a portion a in fig. 1;

wherein the figures include the following reference numerals:

1-fixed seat, 2-heating plate, 31-fixed beam, 32-mounting rod, 33-pressing wheel, 41-pressing plate, 42-rotating shaft, 43-clamping plate and 5-workpiece.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure; unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application; as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …, above," "overlying" and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures; it will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

For convenience of description, the small PVC plate is referred to as a workpiece in this embodiment.

Examples

As shown in fig. 1-3, a jig for welding a small PCB comprises a fixed base 1, a heating plate 2, a pressing mechanism and a clamping mechanism, wherein the fixed base 1 is a base for all other components and is fixed on a base surface, the heating plate 2 is installed on a working surface of the fixed base 1, and preheats a workpiece 5 to reduce thermal deformation caused by welding, the pressing mechanism tightly presses the workpiece 5 with welding on the heating plate 2, so that the workpiece 5 is fully contacted with the heating plate 2, the heating effect is improved, the workpiece 5 is pressed down by a pressing wheel 33 fixed in the pressing mechanism, the wheel-shaped structure can avoid rigid contact with the workpiece 5, and therefore the workpiece 5 cannot be damaged, the clamping mechanism fixes the workpiece 5 being welded, and hidden troubles caused by handheld welding are reduced.

As shown in fig. 1, the fixing base 1 is a base for fixing with a base, the top surface plane of the fixing base 1 is a working surface for fixing the heating plate 2, the pressing mechanism and the clamping mechanism, wherein the heating plate 2 is laid on the working surface for heating the workpiece 5, so that the tendency of thermal defects caused by welding is reduced, at least two workpieces 5 can be placed in the length direction of the heating plate 2, and the specific length can be flexibly adjusted according to the actual working condition.

The pressing mechanism is close to one end of the heating plate 2 and used for fixing the workpieces 5 to be welded, as the heating plate 2 can simultaneously accommodate two or more workpieces 5, the workpieces 5 to be welded are fixed by the pressing mechanism, so that the number of the pressing mechanisms is also multiple, the pressing mechanism comprises a fixed beam 31, mounting rods 32 and pressing wheels 33, as shown in figure 2, the fixed beam 31 is parallel to the heating plate 2, the mounting rods 32 are arranged on the fixed beam 31 in parallel, the mounting rods 32 are simultaneously parallel to the heating plate 2, the bottom of the mounting rods 32 is fixed with the pressing wheels 33, as shown in figure 3, the pressing wheels 33 are consistent in height and parallel to the length direction of the heating plate 2, so that the movement of the workpieces 5 in the length direction of the heating plate 2 is not hindered, the workpieces can move to the clamping mechanism in the length direction of the heating plate 2, the pressing wheels 33 are contacted with the workpieces 5, and the workpieces 5 are tightly pressed to the heating, make the contact more abundant, work piece 5 also can obtain abundant heating consequently, pinch roller 33 surface is the rubber material comparatively soft, is not the rigidity contact with work piece 5, consequently work piece 5 also can not leave the mar at pinch roller 33 lower motion, and is littleer to work piece 5 influence.

The clamping mechanism is a device for clamping the welding workpiece, as shown in fig. 1, comprising a pressing plate 41, a rotating shaft 42, a clamping plate 43, the pressing plate 41 and the clamping plate 43 are integrally connected with each other at an obtuse angle, the connection part of the pressing plate 41 and the clamping plate 43 is fixed on the rotating shaft 42 and fixed with a torsion spring in the rotating shaft 42, when the pressing plate 41 is forced downwards, the clamping plate 43 rotates upwards, the torsion spring in the rotating shaft 42 is tightened, when the pressing plate 41 disappears, the clamping plate 43 rotates downwards under the action of the torsion spring, as shown in fig. 3, the clamping plate 43 is used for fixing the workpiece 5, in this embodiment, the clamping plate 43 is two straight rods, two side edges of the workpiece 5 are fixed, of course, the shape of the clamping plate 43 is not limited, and can be flexibly adjusted according to different processing positions, in addition, a rubber anti-slip pad is covered on the surface of the clamping plate 43 contacting the workpiece 5, so as to avoid the clamping plate 43 and, and meanwhile, the anti-skid effect is better.

It should be noted that: the torsion spring in the shaft 42 is still in a tightened state when the clamping plate 43 presses on the heating plate 2, so that the clamping plate 43 can tightly press the workpiece 5 on the heating plate 2, and the movement in the welding process is avoided.

As a preferred embodiment, the heating plate is an electric heating plate.

In this embodiment, the heating plate and the torsion spring are well-established prior art and can be purchased directly, so that detailed description thereof is omitted.

Claims

1. Tool is used in welding of small-size PCB board, its characterized in that: including fixing base, hold-down mechanism, fixture, the fixing base is used for installing hold-down mechanism, clamping mechanism, and the hot plate has been laid to the top surface of fixing base, hold-down mechanism includes fixed beam, installation pole, pinch roller, and parallel arrangement has a plurality of installation poles on the fixed beam, and the installation pole is parallel with the hot plate, and installation pole bottom is fixed with a plurality of pinch rollers, and the pinch roller highly uniform just sets up with the same direction, fixture is including pressing clamp plate, pivot, splint, presses clamp plate and splint to become the whole of obtuse angle interconnect each other, and connecting portion fix in the pivot to it is fixed with the torsion spring in the pivot.

2. The jig for soldering a small PCB according to claim 1, wherein: a plurality of small PCB boards can be placed on the heating plate.

3. The jig for soldering a small PCB according to claim 1, wherein: the surface of the compaction wheel is made of rubber, so that scratches cannot be left.

4. The jig for soldering a small PCB according to claim 1, wherein: when the clamping plate is pressed on the heating plate, the torsion spring is still in a tight state.

5. The jig for soldering a small PCB according to claim 1, wherein: the rubber pad covers on the face that splint and hot plate contact.