Welding jig compatible with same type and different needle outlet positions

Abstract

The welding jig capable of being compatible with the same model and different needle outlet positions comprises a bottom plate, first through holes are formed in the periphery of the bottom plate, and magnetic columns are arranged in the first through holes; the replaceable main unit is arranged on one side face of the bottom plate, and a plurality of first needle outlet holes are formed in the replaceable main unit; the needle outlet limiting unit is arranged on the other side face of the replaceable main unit and comprises a second main plate, positioning blocks are arranged on the periphery of the second main plate, positioning holes are formed in the positioning blocks, high-temperature-resistant magnetic attraction stones are arranged in one sides of the positioning holes, the high-temperature-resistant magnetic attraction stones and the magnetic columns are magnetically attracted, and height limiting columns are arranged in one sides of the positioning holes. A mounting cavity is formed in the second main plate between the positioning blocks, and a replaceable main unit matched with the mounting cavity in shape is arranged in the mounting cavity; the pressing plate is arranged on the side face, deviating from the mounting cavity, of the needle outlet limiting unit. According to the utility model, the processing cost is reduced, the number of repeated small accessories is reduced, the error-tolerant rate is reduced, the compatibility is realized, and the risk of diversity of the processing location degree is reduced to a great extent.

Description

TECHNICAL FIELD

[0001] The utility model belongs to wave absorption technical field, concretely relates to a kind of welding fixture compatible with same model different needle position. BACKGROUND

[0002] The design purpose of welding fixture is used to fix and position the relative position of welding piece and welded piece, at present, with the development of high-power, high-current technology, our product type is also constantly updated, follow the development of industry, however, the connection position of PIN and DCB of different types of products is also diverse, but overall, the arrangement is relatively regular, the quantity of existing welding fixture is much, model is miscellaneous, and mass production cost is high, and each type of product corresponds to a welding fixture. SUMMARY

[0003] The utility model aims at overcoming the deficiencies in prior art, provide a kind of welding fixture compatible with same model different needle position, solve the cumbersome problem of one type one fixture, it is also to improve the quantity of jig, model is miscellaneous, and mass production cost is high, provide a feasible convenience for the complexity of later product.

[0004] To achieve the above technical purpose, the utility model adopts the technical scheme that:

[0005] A kind of welding fixture compatible with same model different needle position, wherein, including

[0006] Bottom plate, the first through hole is arranged around the bottom plate, and the magnetic column is arranged in the first through hole;

[0007] Replaceable main unit, replaceable main unit is arranged on one side of bottom plate, and the replaceable main unit includes first main plate, and a plurality of first needle holes are arranged on the replaceable main unit;

[0008] Needle limiting unit, needle limiting unit is arranged on the other side of replaceable main unit, and the needle limiting unit includes second main plate, and positioning block is arranged around the second main plate, positioning hole is arranged on the positioning block, high-temperature-resistant magnetic attraction stone is arranged in the side of positioning hole close to replaceable main unit, the high-temperature-resistant magnetic attraction stone and magnetic column are magnetically attracted, high-limit column is arranged in the side of positioning hole away from replaceable main unit, mounting cavity is formed on the second main plate between positioning block, replaceable main unit is arranged in the mounting cavity, and the second main plate in the mounting cavity is provided with second needle hole corresponding to the position of first needle hole;

[0009] Pressing plate, the pressing plate is arranged on the side away from mounting cavity of needle limiting unit, and second through hole is arranged on the pressing plate around corresponding to each high-limit column, and the high-limit column and the second through hole corresponding to it are inserted.

[0010] Preferably, the welding fixture compatible with the same model and different needle position, wherein the bottom plate side is provided with a first threaded hole.

[0011] Preferably, the welding fixture compatible with the same model and different needle position, wherein the first main plate is provided with a limiting hole around, and each limiting hole is provided with a second threaded hole on both sides.

[0012] Preferably, the welding fixture compatible with the same model and different needle position, wherein the second main plate around the inside of the positioning block is provided with an L-shaped limiting piece, the limiting piece and the positioning block are integrally formed, the second main plate between the limiting pieces is formed with a mounting cavity, the second main plate between the adjacent two limiting pieces is provided with a limiting column corresponding to each limiting hole, and the limiting column and the limiting hole corresponding to the limiting column are inserted and matched.

[0013] Preferably, the welding fixture compatible with the same model and different needle position, wherein the limiting column is provided with a third threaded hole on both sides, and the positioning block is provided with a fourth threaded hole on the side.

[0014] Preferably, the welding fixture compatible with the same model and different needle position, wherein the pressing plate and the needle limiting unit are matched in shape on the side away from the mounting cavity.

[0015] Preferably, the welding fixture compatible with the same model and different needle position, wherein the pressing plate is provided with at least one recess in the middle of the side away from the needle limiting unit, and the recess is provided with a fifth threaded hole on one side.

[0016] The welding fixture compatible with the same model and different needle position has the following beneficial effects:

[0017] The welding fixture compatible with the same model and different needle position can reduce the processing cost, reduce the number of repeated small accessories, reduce the fault tolerance, realize the compatibility, and greatly reduce the diversity risk of the processing position degree. DRAWINGS

[0018] Figure 1 It is a structure schematic view of the bottom plate of the utility model.

[0019] Figure 2 It is a structure schematic view of the replaceable main unit of the utility model.

[0020] Figure 3 It is a structure schematic view of the needle limiting unit of the utility model.

[0021] Figure 4 It is a structure schematic view of the pressing plate of the utility model.

[0022] Figure 5 The utility model discloses a structure schematic diagram of the welding fixture of compatible same type different needle position.

[0023] Figure 6 The utility model discloses a structure schematic diagram of the needle limiting unit and high temperature resistant magnetic attraction stone cooperation of the utility model.

[0024] Figure 7 The utility model discloses a structure schematic diagram of the replaceable main unit and needle limiting unit cooperation of the utility model. DETAILED DESCRIPTION

[0025] In the description of the utility model, it is understood that the orientation words such as "in, out", "up, down", "front, back" and the like indicated orientation or position relation is usually based on the orientation or position relation shown in the drawing, just for the convenience of describing the utility model and simplifying the description, under the condition of not making the opposite statement, these orientation words do not indicate and imply the device or element must have a particular orientation or be constructed and operated with a particular orientation, therefore can not be understood as the limitation of the protection scope of the utility model.

[0026] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following is in combination with the drawing and example, and the utility model is further described in detail.It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0027] As Figures 1-7 A welding fixture of compatible same type different needle position, comprising

[0028] The bottom plate 1 is provided with a first through hole 11 around, and a magnetic column is arranged in the first through hole 11.

[0029] The replaceable main unit 2 is arranged on one side of the bottom plate 1, and the replaceable main unit 2 comprises a first main plate 21, and a plurality of first needle holes 22 are arranged on the replaceable main unit 2.

[0030] The needle limiting unit 3 is arranged on the other side of the replaceable main unit 2, and the needle limiting unit 3 comprises a second main plate 31, and a positioning block 32 is arranged around the second main plate 31, a positioning hole 33 is arranged on the positioning block 32, a high-temperature-resistant magnetic attraction stone 34 is arranged in the side of the positioning hole 33 close to the replaceable main unit 2, the high-temperature-resistant magnetic attraction stone 34 and the magnetic column are magnetically attracted, a height-limiting column 35 is arranged in the side of the positioning hole 33 away from the replaceable main unit 2, an installation cavity 36 is formed on the second main plate 31 between the positioning blocks 32, the replaceable main unit 2 is arranged in the installation cavity 36 in a shape cooperation mode, and a second needle hole 37 is arranged on the second main plate 31 in the installation cavity 36 and corresponds to the position of the first needle hole 22.

[0031] A pressing plate 4 is arranged on the side of the needle-out limiting unit 3 away from the mounting cavity 36, and a second through hole 41 is arranged on the pressing plate 4 at a position corresponding to each of the height-limiting columns 35.

[0032] A first threaded hole 12 is further arranged on the side of the bottom plate 1, and a limiting hole 23 is arranged on the first main plate 21, and a second threaded hole 24 is arranged on both sides of each limiting hole 23.

[0033] An L-shaped limiting piece 38 is arranged on the second main plate 31 on the inner side of the positioning block 32, and the limiting piece 38 and the positioning block 32 are integrally formed, the mounting cavity 36 is formed on the second main plate 31 between the limiting pieces 38, and a limiting column 39 is arranged on the second main plate 31 between two adjacent limiting pieces at a position corresponding to each limiting hole 23, and the limiting column 39 is inserted into the limiting hole 23.

[0034] A third threaded hole 40 is arranged on both sides of the limiting column 39, and a fourth threaded hole 42 is arranged on the side of the positioning block 32.

[0035] The side of the pressing plate 4 away from the mounting cavity 36 is shaped to match the side of the needle-out limiting unit 3, at least one groove 43 is arranged on the side of the pressing plate 4 away from the needle-out limiting unit 3, and a fifth threaded hole 44 is arranged on one side of the groove 43.

[0036] The first threaded hole 12 is used to fix the magnetic column on the bottom plate 1, the second threaded hole 24 cooperates with the third threaded hole 40 to fasten the replaceable main unit 2 and the needle-out limiting unit 3, the fourth threaded hole 42 is used to fix the high-temperature-resistant magnetic stone 34 and the needle-out limiting unit 3, and the fifth threaded hole 44 is used to fix the code plate in the later stage to number the jig as a whole.

[0037] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present application and are not limited, although the present application is described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A welding fixture compatible with different needle protrusion positions of the same model, characterized in that, include A base plate (1) is provided with a first through hole (11) around its perimeter, and a magnetic column is provided inside the first through hole (11); A replaceable main unit (2) is disposed on one side of the base plate (1). The replaceable main unit (2) includes a first main board (21) and a plurality of first pin holes (22) are provided on the first main board (21). A needle-out limiting unit (3) is provided on the other side of the replaceable main unit (2). The needle-out limiting unit (3) includes a second main board (31). Positioning blocks (32) are provided around the second main board (31). Positioning holes (33) are provided on the positioning blocks (32). A high-temperature resistant magnetic stone (34) is provided in the side of the positioning hole (33) close to the replaceable main unit (2). The high-temperature resistant magnetic stone (34) and the magnetic column are attracted by magnetism. A height-limiting column (35) is provided in the side of the positioning hole (33) away from the replaceable main unit (2). An installation cavity (36) is formed on the second main board (31) between the positioning blocks (32). A replaceable main unit (2) with a matching shape is provided in the installation cavity (36). A second needle-out hole (37) is provided on the second main board (31) in the installation cavity (36) at the position corresponding to the first needle-out hole (22). The pressure plate (4) is located on one side of the needle limiting unit (3) away from the mounting cavity (36). The pressure plate (4) has a second through hole (41) on all four sides corresponding to the positions of each height limiting post (35). The height limiting post (35) and the corresponding second through hole (41) are inserted into each other.

2. The welding fixture compatible with different needle exit positions of the same model as described in claim 1, characterized in that, The base plate (1) is also provided with a first threaded hole (12) on the side.

3. The welding fixture compatible with different needle exit positions of the same model as described in claim 1, characterized in that, Limiting holes (23) are provided around the first main board (21), and a second threaded hole (24) is provided on both sides of each limiting hole (23).

4. The welding fixture compatible with different needle exit positions of the same model as described in claim 3, characterized in that, L-shaped limiting members (38) are provided around the second main board (31) inside the positioning block (32). The limiting members (38) and the positioning block (32) are integrally formed. An installation cavity (36) is formed on the second main board (31) between the limiting members (38). A limiting post (39) is provided on the second main board (31) between two adjacent limiting members at the position corresponding to each limiting hole (23). The limiting post (39) and the limiting hole (23) provided therewith are inserted and engaged.

5. The welding fixture compatible with different needle exit positions of the same model according to claim 4, characterized in that, The limiting post (39) is provided with a third threaded hole (40) on both sides, and the positioning block (32) is provided with a fourth threaded hole (42) on the side.

6. The welding fixture compatible with different needle exit positions of the same model according to claim 1, characterized in that, The pressure plate (4) and the needle extension limiting unit (3) are shaped to fit one side away from the mounting cavity (36).

7. The welding fixture compatible with different needle exit positions of the same model according to claim 1, characterized in that, At least one groove (43) is provided in the middle of one side of the pressure plate (4) away from the needle limiting unit (3), and a fifth threaded hole (44) is provided on one side of the groove (43).

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