Turnover hand welding jig

Abstract

The utility model discloses an overturning hand welding jig which comprises a bottom plate, a pair of side plates, a lower pressing plate, an upper pressing plate and a fixing module. Wherein the pair of side plates are arranged on the two sides of the bottom plate and are fixedly connected with the bottom plate; two ends of the lower pressing plate are respectively hinged with the pair of side plates; a plurality of welding grooves are formed in the lower pressing plate and penetrate through the lower pressing plate; the upper pressing plate is provided with a plurality of first pressing assemblies and a plurality of positioning holes. The fixing module is connected with the lower pressing plate and used for fixing the upper pressing plate. According to the utility model, the production efficiency is improved, and the production cost is reduced; the structure is simple and the manufacturing cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of welding jigs, in particular to a flip hand welding jig. Background Art

[0002] In the circuit board welding process, manual welding is mostly used for some small batch production or welding of specific components. The manual welding jig in the prior art is inconvenient to operate and the production efficiency is low during manual use. Summary of the invention

[0003] According to an embodiment of the utility model, a flip hand welding jig is provided, comprising:

[0004] Base plate;

[0005] A pair of side panels, the pair of side panels are arranged on both sides of the bottom plate and are fixedly connected to the bottom plate;

[0006] A lower pressing plate, both ends of which are respectively hinged to a pair of side plates; a plurality of welding grooves are arranged on the lower pressing plate, and the plurality of welding grooves penetrate the lower pressing plate;

[0007] An upper pressing plate, on which a plurality of first pressing components and a plurality of positioning holes are arranged;

[0008] The fixing module is connected to the lower pressing plate and is used to fix the upper pressing plate.

[0009] Furthermore, a first limiting screw and a second limiting screw are provided on the side plate; the first limiting screw and the second limiting screw are used to limit the rotation angle of the lower pressing plate.

[0010] Furthermore, a first inclined surface is provided at the upper end of the side plate, and the first limiting screw and the second limiting screw are respectively arranged along the direction of the first inclined surface.

[0011] Furthermore, a first groove is also provided on the lower pressing plate, and the first groove is used for positioning the circuit board.

[0012] Furthermore, a pair of second grooves are also provided on the lower pressing plate, and the pair of second grooves are provided on both sides of the first groove and are connected with the first groove.

[0013] Furthermore, the fixing module comprises: a pair of first positioning posts, a second positioning post and a pair of elastic buckles;

[0014] A pair of first positioning posts and a second positioning post correspond to the plurality of positioning holes respectively;

[0015] A pair of first positioning posts are arranged at one end of the lower pressing plate, and a second positioning post is arranged at the other end of the lower pressing plate;

[0016] A pair of elastic buckles are respectively arranged at two ends of the lower pressing plate.

[0017] Furthermore, the first positioning column and the second positioning column are provided with limiting steps.

[0018] Further, the first clamping assembly comprises: a first clamping block and a pair of elastic plungers;

[0019] A pair of elastic plungers are respectively connected to the upper pressing plate;

[0020] The first pressing block is connected to the lower ends of a pair of elastic plungers.

[0021] Furthermore, it also includes: a plurality of second clamping components, which are respectively connected to the lower pressing plate and distributed around the plurality of welding grooves.

[0022] Further, the second clamping assembly comprises: a second clamping block, a positioning screw and a spring;

[0023] The positioning screw is threadedly connected to the lower pressure plate;

[0024] One end of the second pressing block is sleeved on the positioning screw and is hinged to the positioning screw;

[0025] The spring is sleeved on the positioning screw and is located between the second pressing block and the nut of the positioning screw, and is used to make the second pressing block close to the lower pressing plate;

[0026] The other end of the second pressing block is provided with a toggle portion.

[0027] The flip hand welding jig according to the embodiment of the utility model improves production efficiency and reduces production cost; it has a simple structure and low manufacturing cost.

[0028] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the technology as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a schematic diagram of a first stereogram according to an embodiment of the utility model;

[0030] Figure 2 for Figure 1 A-direction enlarged view;

[0031] Figure 3 is a schematic diagram of a second stereogram according to an embodiment of the utility model;

[0032] Figure 4 This is a partial schematic diagram when the upper pressure plate is removed. DETAILED DESCRIPTION

[0033] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to further illustrate the present invention.

[0034] First, combine Figures 1 to 4 The flip hand welding jig according to the embodiment of the utility model is described, which is used in the field of circuit board welding and has a wide range of application scenarios.

[0035] like Figures 1 to 4 As shown, the flip hand welding fixture of the embodiment of the utility model comprises:

[0036] Bottom plate 1;

[0037] A pair of side panels 2, the pair of side panels 2 are arranged on both sides of the bottom panel 1 and are fixedly connected to the bottom panel 1;

[0038] A lower pressing plate 3, both ends of which are respectively hinged to a pair of side plates 2, and the lower pressing plate 3 can rotate around a hinge axis; a plurality of welding grooves 31 are arranged on the lower pressing plate 3, and the plurality of welding grooves 31 penetrate the lower pressing plate 3;

[0039] An upper pressing plate 4, on which a plurality of first pressing components 41 and a plurality of positioning holes 42 are arranged, wherein the plurality of first pressing components 41 are used to press the electronic components to be soldered at corresponding positions on the circuit board;

[0040] The fixing module is connected to the lower pressing plate 3 and is used to fix the upper pressing plate 4.

[0041] Further, if Figure 1 , 3 As shown in Figure 4, in this embodiment, a first limiting screw 21 and a second limiting screw 22 are provided on the side plate 2; the first limiting screw 21 and the second limiting screw 22 are used to limit the rotation angle of the lower pressing plate 3.

[0042] Further, if Figure 1 As shown, in this embodiment, a first inclined surface 23 is provided at the upper end of the side plate 2, and the first limiting screw 21 and the second limiting screw 22 are arranged along the direction of the first inclined surface 23, respectively, so that the lower pressing plate 3 forms a certain angle with the horizontal plane, which is convenient for manual welding.

[0043] Further, if Figure 1 , 4 As shown, in this embodiment, a first groove 32 is further provided on the lower pressing plate 3, and the first groove 32 is used for positioning the circuit board.

[0044] Further, if Figure 1 , 4 As shown, in this embodiment, a pair of second grooves 33 are further provided on the lower pressing plate 3. The pair of second grooves 33 are provided on both sides of the first groove 32 and are connected to the first groove 32, so as to facilitate taking out the soldered circuit board.

[0045] Further, if Figure 1 , 4As shown, in this embodiment, the fixing module includes: a pair of first positioning columns 51, a second positioning column 52 and a pair of elastic buckles 53;

[0046] A pair of first positioning posts 51 and a second positioning post 52 correspond to the plurality of positioning holes 42 respectively;

[0047] A pair of first positioning columns 51 are arranged at one end of the lower pressing plate 3, and a second positioning column 52 is arranged at the other end of the lower pressing plate 3; a pair of first positioning columns 51 and second positioning columns 52 are used to prevent the upper pressing plate 4 from being incorrectly installed, which greatly improves work efficiency and welding quality.

[0048] A pair of elastic buckles 53 are respectively arranged at two ends of the lower pressing plate 3 for clamping the upper pressing plate 4 . The elastic buckles 53 are prior art.

[0049] Further, if Figure 4 As shown, in this embodiment, a limiting step 54 is provided on the first positioning column 51 and the second positioning column 52 to limit the axial position of the upper pressing plate 4 along the first positioning column 51 or the second positioning column 52 .

[0050] Further, if Figure 1 As shown, in this embodiment, the first pressing assembly 41 includes: a first pressing block 411 and a pair of elastic plungers 412;

[0051] A pair of elastic plungers 412 are respectively connected to the upper pressing plate 4;

[0052] The first pressing block 411 is connected to the lower ends of a pair of elastic plungers 412 and is used to press the electronic components to be soldered at corresponding positions on the circuit board.

[0053] Further, if Figure 1~2 As shown, in this embodiment, it also includes: a plurality of second clamping assemblies 6, which are respectively connected to the lower pressing plate 3 and distributed around the plurality of welding grooves 31 for clamping the circuit board.

[0054] Further, if Figure 2 As shown, in this embodiment, the second pressing assembly 6 comprises: a second pressing block 61, a positioning screw 62 and a spring (not shown);

[0055] The positioning screw 62 is threadedly connected to the lower pressing plate 3;

[0056] One end of the second pressing block 61 is sleeved on the positioning screw 62 and is hinged to the positioning screw 62;

[0057] The spring is sleeved on the positioning screw 62 and is located between the second pressing block 61 and the nut of the positioning screw 62, so as to make the second pressing block 61 close to the lower pressing plate 3;

[0058] A toggle portion 611 is disposed at the other end of the second pressing block 61 , and the toggle portion 611 is disposed to facilitate toggle of the second pressing block 61 to rotate around the positioning screw 62 .

[0059] Working principle: First, rotate the lower pressure plate 3 downward so that one side of the first groove 32 faces upward and contacts the first limit screws 21 on a pair of side plates 2; then, place the circuit board to be welded in the first groove 32, rotate the second pressure block 61 so that the second pressure block 61 presses the circuit board, and insert the relevant electronic components to be welded into the corresponding positions of the circuit board (or insert the circuit board in advance); then, place the upper pressure plate 4 so that the first positioning column 51 and the second positioning column 52 are inserted into the corresponding positioning holes 42. During this process, the first pressure block 411 gradually presses the corresponding electronic components; then, clamp the upper pressure plate 4 with the elastic buckle 53; finally, rotate the lower pressure plate 3 and the upper pressure plate 4 upward so that the lower pressure plate 3 contacts the second limit screw 22 and start welding.

[0060] Above, refer to Figures 1 to 4 The invention discloses a flip hand welding jig according to an embodiment of the utility model, which improves production efficiency and reduces production cost; the invention has a simple structure and low manufacturing cost.

[0061] It should be noted that, in this specification, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprises..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0062] Although the content of the utility model has been described in detail through the above preferred embodiments, it should be appreciated that the above description should not be considered as a limitation of the utility model. After reading the above content, various modifications and substitutions of the utility model will be obvious to those skilled in the art. Therefore, the protection scope of the utility model should be limited by the attached claims.

Claims

1. A flip hand welding fixture, characterized in that: Include: Base plate; A pair of side panels, the pair of side panels are arranged on both sides of the bottom plate and are fixedly connected to the bottom plate; A lower pressing plate, wherein both ends of the lower pressing plate are respectively hinged to the pair of side plates; a plurality of welding grooves are arranged on the lower pressing plate, and the plurality of welding grooves penetrate the lower pressing plate; An upper pressing plate, wherein a plurality of first pressing components and a plurality of positioning holes are arranged on the upper pressing plate; A fixing module is connected to the lower pressing plate and is used to fix the upper pressing plate.

2. The flip hand welding jig according to claim 1, characterized in that: The side plate is provided with a first limiting screw and a second limiting screw; the first limiting screw and the second limiting screw are used to limit the rotation angle of the lower pressing plate.

3. The flip hand welding jig according to claim 2, characterized in that: The upper end of the side plate is provided with a first inclined surface, and the first limiting screw and the second limiting screw are respectively arranged along the direction of the first inclined surface.

4. The flip hand welding jig according to claim 1, characterized in that: The lower pressing plate is also provided with a first groove, and the first groove is used for positioning the circuit board.

5. The flip hand welding jig according to claim 4, characterized in that: The lower pressing plate is also provided with a pair of second grooves, which are arranged on both sides of the first groove and are connected with the first groove.

6. The flip hand welding jig according to claim 1, characterized in that: The fixing module comprises: a pair of first positioning posts, a second positioning post and a pair of elastic buckles; The pair of first positioning posts and the second positioning posts correspond to the plurality of positioning holes one by one respectively; The pair of first positioning posts are arranged at one end of the lower pressing plate, and the second positioning post is arranged at the other end of the lower pressing plate; The pair of elastic buckles are respectively arranged at two ends of the lower pressing plate.

7. The flip hand welding jig according to claim 6, characterized in that: The first positioning column and the second positioning column are provided with limited steps.

8. The flip hand welding jig according to claim 1, characterized in that: The first pressing assembly comprises: a first pressing block and a pair of elastic plungers; The pair of elastic plungers are respectively connected to the upper pressing plate; The first pressing block is connected to the lower ends of the pair of elastic plungers.

9. The flip hand welding jig according to claim 1, characterized in that: It also comprises: a plurality of second clamping assemblies, which are respectively connected to the lower pressing plate and distributed around the plurality of welding grooves.

10. The flip hand welding jig according to claim 9, characterized in that: The second pressing assembly comprises: a second pressing block, a positioning screw and a spring; The positioning screw is threadedly connected to the lower pressing plate; One end of the second pressing block is sleeved on the positioning screw and is hinged to the positioning screw; The spring is sleeved on the positioning screw and is located between the second pressing block and the nut of the positioning screw, so as to make the second pressing block close to the lower pressing plate; The other end of the second pressing block is provided with a toggle portion.

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