Brazing tool for multilayer board products

Abstract

The utility model belongs to the technical field of tools, and particularly relates to a brazing tool for multilayer board products. The fixing frame comprises a top plate and a bottom plate; the plurality of adjusting rods are arranged on the top plate, and the height of the adjusting rods can be adjusted on the top plate; and the pressing plate is arranged in the fixing frame, and the top face of the pressing plate abuts against the tail ends of the multiple adjusting rods. The positioning tool is used for solving the technical problems that a positioning tool in the prior art is inconvenient to adjust and cannot be used universally in actual use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of frock, concretely relates to a kind of multilayer board product brazing frock. BACKGROUND

[0002] Such products as radar and differentiator, with complex cavity inside, general production process is to divide its whole into multilayer board, then the cavity specific shape is processed on the surface of multilayer board, then multilayer board is stacked in turn, brazing is carried out, and after welding, it becomes complete component, to realize processing purpose.

[0003] However, the internal cavity shape of such product is complex, the position precision after brazing is required higher, and multilayer board is also mixed with brazing material when stacking, so that product before brazing is prone to misplacement and other defects, which can affect product quality. Therefore, clamp is needed to assist positioning of stacked multilayer board, but current positioning frock cannot be universal, and adjustment is inconvenient. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is to overcome the shortcomings of prior art, provide a kind of multilayer board product brazing frock, to solve the technical problem that positioning frock in prior art is not only inconvenient to adjust, and cannot be universal in actual use.

[0005] The technical scheme for solving the above technical problem of the utility model is as follows: a kind of multilayer board product brazing frock, comprising:

[0006] Fixed frame, the fixed frame includes top plate and bottom plate;

[0007] Several adjusting rods, several adjusting rods are arranged on the top plate, and the height of the adjusting rod can be adjusted on the top plate;

[0008] Pressing plate, the pressing plate is arranged in the fixed frame, and the top surface of the pressing plate is in abutment with the end of the several adjusting rods.

[0009] The utility model stacks multilayer board in fixed frame, then presses multilayer board with pressing plate, and the specific pressing force is adjusted by adjusting rod;Since the height of the adjusting rod is adjustable, it can adapt to multilayer board product of different height, and the adjusting rod has multiple, can abut and adjust pressing plate from different positions, can ensure that the position of pressing plate can be adjusted, especially suitable for irregular surface multilayer board product.

[0010] Further, the fixed frame further includes at least four connecting columns, four connecting columns are respectively arranged at the four corners of the fixed frame, the top plate and the bottom plate are respectively provided with counterbores corresponding to the positions of the connecting columns, and the two ends of the four connecting columns are respectively provided with internal thread holes;

[0011] The top plate and the bottom plate are connected with the connecting column by hexagon socket screws respectively.

[0012] The beneficial effect of the present step is that the connecting column can ensure the connection accuracy and strength of the top plate and the bottom plate, and does not occupy the space around the fixed frame, and the space around the fixed frame can be used for placing the products to be brazed.

[0013] Further, the adjusting rod is threadedly connected with the top plate.

[0014] The beneficial effect of the present step is that the height-adjustable mode of the adjusting rod is various, but the adjusting mode of the thread connection has high position accuracy, is convenient to manufacture, and has reliable structure and is not easy to be damaged.

[0015] Further, the adjusting rod comprises:

[0016] An adjusting screw rod;

[0017] A spring limiting block arranged at the bottom end of the adjusting screw rod;

[0018] A spring, the upper end of which is sleeved into the spring limiting block.

[0019] The beneficial effect of the present step is that the stiffness of the spring maintains the downward pressure of the pressing plate, and the elasticity of the spring can absorb excessive downward pressure to avoid damaging the workpiece under the pressing plate.

[0020] Further, the top surface of the pressing plate is provided with a recess corresponding to the position of the spring.

[0021] The beneficial effect of the present step is that the recess is used for limiting the lower end of the spring to prevent the spring from being twisted and separated under stress.

[0022] Further, the pressing plate is one or more.

[0023] The beneficial effect of the present step is that the pressing plate needs to be adapted to the surface of the brazing workpiece to be pressed to better position, and different workpiece surfaces have large differences in shape, which need to be selected according to actual conditions.

[0024] Further, the top surface of the top plate and the bottom surface of the bottom plate are provided with weight reduction grooves.

[0025] The top surface of the bottom plate is further provided with a plurality of positioning grooves.

[0026] The beneficial effect of the present step is that the weight reduction grooves are used to reduce the overall weight of the tooling, and the positioning grooves are used to assist in positioning the product to be brazed to ensure that the pressing plate above corresponds to the position of the adjusting rod.

[0027] The beneficial effect of the present utility model is:

[0028] 1、The tool of the application can adjust the height of the adjusting rod on the top plate, and the length of the connecting column can also be adjusted, so that the tool can adapt to the brazing positioning of multi-layer products of different sizes, and the number of adjusting rods is large, and the cooperation of the pressing plate can adjust multiple points, which is more convenient and accurate.

[0029] 2、The tool has a pressing plate and a spring, so that the contact area between the tool and the multi-layer product to be brazed is large, and the spring can absorb excessive pressing force, thereby avoiding deformation of the multi-layer product pressed by the tool, and achieving the purpose of protecting the product. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0031] Figure 1 A perspective view of a multi-layer board product brazing tool is provided for the present application;

[0032] Figure 2 A structural schematic view of a multi-layer board product brazing tool is provided for the present application;

[0033] Figure 3 A top view of Figure 2 ;

[0034] Figure 4 A bottom view of Figure 2 .

[0035] Reference signs:

[0036] 1-fixed frame; 2-adjusting rod; 3-pressing plate;

[0037] 11-top plate; 12-bottom plate; 13-connecting column; 14-weight reduction groove; 15-positioning groove; 21-adjusting screw; 22-spring limiting block; 23-spring. DETAILED DESCRIPTION

[0038] The embodiments of the technical solutions of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0039] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be understood as the usual meaning understood by the skilled in the art to which the present application belongs.

[0040] In the description of the present application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0041] In addition, the terms "first", "second", and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0042] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0043] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0044] Embodiment

[0045] As Figures 1-4 shown, the multi-layer plate product brazing tool provided by the present application comprises:

[0046] The fixed frame 1 comprises a top plate 11 and a bottom plate 12, and the multi-layer product is placed on the bottom plate 12;

[0047] Several adjusting rods 2, several adjusting rods 2 are provided on the top plate 11, and the adjusting rod 2 can be adjusted in height on the top plate 11;

[0048] The pressing plate 3 is arranged in the fixed frame 1, the top surface of the pressing plate 3 abuts against the end of the several adjusting rods 2, the pressing plate 3 is pressed downward by the adjusting rod 2, and then the pressing plate 3 and the bottom plate 12 clamp and position the multi-layer product.

[0049] The utility model discloses the multi-layer board is stacked in the fixed frame 1, then the multi-layer board is pressed by the pressing plate 3, and the specific pressing force is adjusted through the adjusting rod 2;Because the height of the adjusting rod 2 is adjustable, then can adapt to the multi-layer board product of different height, and the adjusting rod 2 has multiple, can be pressed from different positions to the pressing plate 3 and adjust, can guarantee that each position of the pressing plate 3 can be adjusted, especially suitable for the multi-layer board product of irregular surface (of course, the pressing plate 3 can be multiple at this time, so as to adapt to the multi-layer product of different surface height).

[0050] On the basis of the above technical scheme, the fixed frame 1 further includes at least four connecting columns 13, the four connecting columns 13 are respectively arranged at the four corners of the fixed frame 1, the top plate 11 and the bottom plate 12 are respectively provided with counterbores corresponding to the positions of the connecting columns 13, and the two ends of the four connecting columns 13 are respectively provided with internal thread holes.

[0051] The top plate 11 and the bottom plate 12 are respectively connected with the connecting column 13 through the internal hexagon screw, the internal hexagon screw is sunk in the counterbores, the whole fixed frame 1 can be ensured to be more flat, and the fixed frame 1 can be stably placed on the operation table.

[0052] The connecting column 13 can ensure the connection precision and the connection strength of the top plate 11 and the bottom plate 12, and does not occupy the space around the fixed frame 1, and the four corners of the fixed frame 1 can be used to place the product to be brazed.

[0053] On the basis of the above technical scheme, the adjusting rod 2 is in threaded connection with the top plate 11.

[0054] The height-adjustable mode of the adjusting rod 2 is various, such as an up-down sliding structure with a locking mechanism, but in the embodiment, the threaded connection (a fine thread can be selected) is preferred, which has high position precision, is convenient to manufacture, has reliable structure and is not easy to be damaged.

[0055] On the basis of the above technical scheme, the adjusting rod 2 includes:

[0056] The adjusting screw rod 21 can be internally or externally hexagonal, or square head wrenching structure at the top end;

[0057] A spring limiting block 22 is arranged at the bottom end of the adjusting screw 21, and the spring limiting block 22 can be provided with a limiting protrusion and a limiting ring, and a socket hole for socketing the lower end of the adjusting screw 21;

[0058] A spring 23 is sleeved with the limiting protrusion of the spring limiting block 22 at the upper end, and then the limiting ring abuts against the spring 23, so as to realize the positioning of the spring 23.

[0059] The rigidity of the spring 23 keeps the downward pressure of the pressing plate 3, and the elasticity of the spring 23 can absorb excessive downward pressure, so as to avoid damaging the workpiece under the pressing plate 3.

[0060] On the basis of the above technical scheme, the top surface of the pressing plate 3 is provided with a recess corresponding to the position of the spring 23.

[0061] The recess is used for limiting the lower end of the spring 23, so as to prevent the spring 23 from being twisted and separated under force.

[0062] On the basis of the above technical scheme, the pressing plate 3 is one or more pieces.

[0063] The pressing plate 3 needs to be adapted to the surface of the to-be-soldered workpiece to be pressed, so as to be better positioned, and different workpiece surfaces have large differences in shapes, so that the actual situation needs to be selected, when the workpiece has surfaces with different heights, the pressing plate 3 is divided into pieces, so that it is easier to adjust and prepare, and is not affected by the shape of the product.

[0064] On the basis of the above technical scheme, the top surface of the top plate 11 and the bottom surface of the bottom plate 12 are both provided with a weight-reducing groove 14.

[0065] The top surface of the bottom plate 12 is also provided with a plurality of positioning grooves 15.

[0066] The weight-reducing groove 14 is used for reducing the overall weight of the tooling, and the positioning groove 15 is used for assisting in positioning the to-be-soldered product, so as to ensure that the pressing plate 3 above corresponds to the position of the adjusting rod 2.

[0067] Finally, it should be noted that: the above embodiments are only used to illustrate the technical scheme of the present application, and not to limit it; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the present application.

Claims

1. A brazing fixture for multilayer board products, characterized in that, include: A fixed frame, comprising a top plate and a bottom plate; A plurality of adjusting rods are provided on the top plate, and the height of the adjusting rods can be adjusted on the top plate; A pressure plate is disposed within the fixed frame, and the top surface of the pressure plate abuts against the ends of several adjusting rods.

2. The brazing fixture for multilayer board products according to claim 1, characterized in that, The fixed frame also includes at least four connecting columns, which are respectively located at the four corners of the fixed frame. The top plate and the bottom plate are provided with countersunk holes corresponding to the positions of the connecting columns, and both ends of the four connecting columns are provided with internal threaded holes. The top plate and the bottom plate are respectively connected to the connecting column by hexagonal screws.

3. The brazing fixture for multilayer board products according to claim 1, characterized in that, The adjusting rod is threadedly connected to the top plate.

4. The brazing fixture for multilayer board products according to claim 3, characterized in that, The adjusting rod includes: Adjusting screw; A spring limiting block is provided at the bottom end of the adjusting screw; A spring, the upper end of which is fitted into the spring limiting block.

5. The brazing fixture for multilayer board products according to claim 4, characterized in that, The top surface of the pressure plate has a recess corresponding to the position of the spring.

6. The brazing fixture for multilayer board products according to claim 5, characterized in that, The pressure plate may be one or more pieces.

7. The brazing fixture for multilayer board products according to claim 1, characterized in that, The top surface of the top plate and the bottom surface of the bottom plate are both provided with weight-reducing grooves; The top surface of the base plate is also provided with multiple positioning grooves.

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