Iron net welding device for sound box shell

Abstract

The utility model discloses an iron net welding device for a sound box shell, which comprises a base, a bottom plate, an adjustable profiling positioning assembly, a welding mechanism and a protective cover, the welding mechanism is arranged above the adjustable profiling positioning assembly in a butt joint mode, the adjustable profiling positioning assembly comprises two profiling positioning blocks which are designed in a split mode, and the two profiling positioning blocks are arranged on the bottom plate in a butt joint mode. The two profiling positioning blocks comprise positioning parts and mounting parts used for adjusting the relative positions, profiling grooves used for profiling and positioning the plastic injection molding part are formed in the upper ends of the positioning parts, supporting protruding blocks used for horizontally supporting the iron net are arranged in the profiling grooves in an upward protruding mode, and the supporting protruding blocks avoid the plastic injection molding part; supporting tables opposite to the welding points are arranged on the periphery of the profiling groove, and at least two kidney-shaped holes in the same direction are formed in the installation part. By means of the mode, the profiling positioning block can be finely adjusted according to an actual product, machining is convenient, the product is elastically pre-pressed before welding, two parts to be welded are tightly attached together, and pseudo soldering is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of coding and labeling, in particular to an iron mesh welding device for a speaker shell. Background Art

[0002] The car speaker shell product includes an iron mesh 01, which needs to be welded to the plastic injection molded part 02 first. Figure 1 As shown, and then assembled to the corresponding mounting holes of the shell. When welding, it is necessary to pre-install the iron mesh into the plastic injection molded part, position the pre-installed components and then weld. The profiling positioning block is set according to the product design size. There are processing errors in the actual product of the plastic injection molded part. It is difficult for the profiling positioning block to fit perfectly with the actual product. For complex products, the internal structure of the profiling positioning block is complex, which is not convenient for demoulding and difficult to form in one piece.

[0003] In addition, the products are manually pre-assembled before welding. The iron mesh is relatively wide and can easily warp up, so direct welding can easily result in cold soldering.

[0004] Based on the above defects and shortcomings, it is necessary to improve the existing technology and design a iron mesh welding device for a speaker shell. Utility Model Content

[0005] The main technical problem solved by the utility model is to provide an iron mesh welding device for a speaker shell, which can fine-tune the contour positioning block according to the actual product, is easy to process, and elastically pre-presses the product before welding so that the two parts to be welded fit together tightly to avoid false welding.

[0006] To solve the above technical problems, a technical solution adopted by the present invention is: to provide an iron mesh welding device for a speaker shell, the iron mesh welding device for a speaker shell includes a base, a bottom plate, an adjustable profiling positioning component, a welding mechanism and a protective cover, the bottom plate is fixed to the base workbench by a pad, the adjustable profiling positioning component is installed on the bottom plate, the welding mechanism is docked above the adjustable profiling positioning component, and a protective cover is also installed on the base, the adjustable profiling positioning component includes two profiling positioning blocks of a split design, the two profiling positioning blocks include a positioning portion and a mounting portion for adjusting the relative position, the upper end of the positioning portion is provided with a profiling groove for profiling and positioning the plastic injection molded part, the profiling groove is upwardly protruded with a support protrusion for horizontally supporting the iron mesh, the support protrusion avoids the plastic injection molded part, and the profiling groove is surrounded by support platforms opposite to the welding points, and the mounting portion is provided with at least two waist-shaped holes in the same direction, and the locking screw is locked to the corresponding mounting hole of the bottom plate after vertically passing through the waist-shaped hole.

[0007] Preferably, the welding mechanism comprises a column, a lifting plate, a cylinder, a heat insulation column, a heating plate, a heating rod, a welding head and an elastic pre-pressing assembly, the column is installed on the bottom plate, the lifting plate is movably sleeved on the column through a shaft sleeve, a cylinder for driving the lifting plate to move up and down is installed on the top of the protective cover, the lifting plate is fixedly connected with the lower heating plate through the heat insulation column, the heating rod is embedded in the heating plate, the welding head is installed on the lower end of the heating plate, the welding head is arranged according to the position of the welding point on the product, and the elastic pre-pressing assembly for pre-pressing the product to be welded is further installed on the lower end of the lifting plate and avoids the heating plate.

[0008] Preferably, the elastic pre-pressing assembly comprises a pressing block, a nut, a screw rod, a pre-pressing block, a nut and a spring, the pressing block is installed on the bottom of the lifting plate through a pad, the nut is installed on the pressing block, the screw rod capable of moving up and down is sleeved on the nut, the screw rod is threadedly connected to the pre-pressing block through the lower end of the heating plate, the nut is threadedly connected to the middle part of the screw rod, the spring is sleeved on the screw rod above the nut, and the upper end and the lower end of the spring are respectively abutted against the nut and the pre-pressing block.

[0009] Preferably, the heat insulation column is further provided with a plurality of heat dissipation holes in the radial direction.

[0010] Preferably, the iron mesh welding device for the speaker shell further comprises a safety grating, and the front side of the protective cover is provided with a material taking and placing door, and the safety grating is installed on the two sides of the material taking and placing door.

[0011] Preferably, the iron mesh welding device for the speaker shell further comprises a handle, and the handle is further installed on the two sides of the base.

[0012] Compared with the prior art, the iron mesh welding device for the speaker shell has the beneficial effects that:

[0013] The two split type profiling positioning blocks can fine-tune the distance between the two profiling positioning blocks, meet the positioning requirements of actual products, and the split type profiling positioning blocks are convenient to process;

[0014] The welding mechanism welds the products together through heating and welding, the elastic pre-pressing assembly elastically pre-presses the products before welding, prevents the products from being warped, tightly abuts the two parts to be welded together, and avoids virtual welding. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a product structure schematic view.

[0016] Figure 2 It is a structure schematic view of the iron mesh welding device for the speaker shell.

[0017] Figure 3 It is a product structure schematic view of the adjustable profiling positioning assembly of the iron mesh welding device for the speaker shell.

[0018] Figure 4 It is adjustable profiling positioning assembly structure schematic view of iron net welding device for speaker shell.

[0019] Figure 5 It is welding mechanism part structure schematic view of iron net welding device for speaker shell.

[0020] Figure 6 It is elastic pre-pressing assembly structure schematic view of iron net welding device for speaker shell.

[0021] Wherein, 01, iron net, 02, plastic injection molding part, 1, base, 2, bottom plate, 3, adjustable profiling positioning assembly, 31, profiling positioning block, 311, positioning part, 312, mounting part, 301, profiling groove, 302, support protrusion, 303, support table, 304, waist type hole, 4, welding mechanism, 41, stand column, 42, lifting plate, 43, air cylinder, 44, heat insulation column, 45, heating plate, 46, heating rod, 47, welding head, 48, elastic pre-pressing assembly, 481, pressing block, 482, nut, 483, screw rod, 484, pre-pressing block, 485, nut, 486, spring, 5, protective cover, 6, safety grating, 7, handle. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present application are described in detail below with reference to the accompanying drawings, so that the advantages and features of the present application can be more easily understood by those skilled in the art, and the protection scope of the present application is more clearly defined.

[0023] Please refer to Figures 1 to 6 The embodiment of the present application comprises:

[0024] The iron net welding device for speaker shell comprises a base 1, a bottom plate 2, an adjustable profiling positioning assembly 3, a welding mechanism 4, a protective cover 5, a safety grating 6 and a handle 7. The bottom plate 2 is fixed on the workbench of the base 1 through a cushion block. The adjustable profiling positioning assembly 3 is installed on the bottom plate 2. The welding mechanism 4 is arranged in butt joint above the adjustable profiling positioning assembly 3. The protective cover 5 is also installed on the base 1. A material taking and placing door is arranged on the front side of the protective cover 5. The safety gratings 6 are installed on both sides of the material taking and placing door to ensure the operation and installation. The handle 7 is also installed on both sides of the base 1 to facilitate the carrying of the welding device.

[0025] The adjustable profiling positioning assembly 3 comprises two profiling positioning blocks 31 designed in a split type, the two profiling positioning blocks 31 comprising a positioning part 311 and a mounting part 312 for adjusting the relative position, the positioning part 311 being provided with a profiling groove 301 for profiling positioning of the plastic injection molded part 02 at the upper end, the profiling groove 301 being provided with a support protrusion 302 for horizontally supporting the iron mesh 01 upwardly and inwardly, the support protrusion 302 avoiding the plastic injection molded part 02, and the profiling groove 301 being provided with a support table 303 corresponding to the welding point around the profiling groove 301, and the mounting part 312 being provided with at least two same-direction waist-shaped holes 304, a locking screw vertically penetrating through the waist-shaped hole 304 and being locked to the corresponding mounting hole of the bottom plate 2, the distance between the two profiling positioning blocks 31 being adjusted through the waist-shaped hole 304, fine adjustment, and cooperation with the actual product to achieve positioning.

[0026] The welding mechanism 4 comprises a column 41, a lifting plate 42, a cylinder 43, a heat insulation column 44, a heating plate 45, a heating rod 46, a welding head 47, and an elastic pre-pressing assembly 48, the column 41 being mounted on the bottom plate 2, the lifting plate 42 being movably sleeved on the column 41 through a shaft sleeve, the cylinder 43 being mounted on the top of the protective cover 5 and driving the lifting plate 42 to move up and down, the lifting plate 42 being fixedly connected with the heat insulation column 44 and the heating plate 45 below, the heating rod 46 being embedded in the heating plate 45, the welding head 47 being mounted on the lower end of the heating plate 45, the welding head 47 being placed according to the position of the welding point on the product, and the elastic pre-pressing assembly 48 being mounted on the lower end of the lifting plate 42 and pre-pressing the product to be welded, the elastic pre-pressing assembly 48 avoiding the heating plate 45.

[0027] The elastic pre-pressing assembly 48 comprises a pressing block 481, a nut 482, a screw rod 483, a pre-pressing block 484, a nut 485, and a spring 486, the pressing block 481 being mounted on the bottom of the lifting plate 42 through a pad, the nut 482 being mounted on the pressing block 481, the screw rod 483 being movably sleeved on the nut 482, the screw rod 483 being threadedly locked to the pre-pressing block 484 through the lower end of the heating plate 45, the nut 485 being threadedly connected to the middle part of the screw rod 483, the spring 486 being sleeved on the screw rod 483 above the nut 485, the upper and lower ends of the spring 486 being respectively abutted with the nut 482 and the nut 485, the spring 486 being compressed under the elastic force of the spring 486, the product to be welded being pre-pressed, and the product being not compressed to create conditions for subsequent heating and welding and avoid virtual welding of the product.

[0028] The heat insulation column 44 is further provided with a plurality of heat dissipation holes in the radial direction to avoid the heating plate 45 transmitting heat to the lifting plate 42.

[0029] The iron net 01 and the plastic injection molding part 02 are manually preassembled together, the preassembled product is placed into the profiling groove of the two profiling positioning blocks 31, after the product is positioned, the cylinder 43 drives the lifting plate 42 to move downwards, the elastic pre-pressing assembly 48 moves downwards to elastically press the to-be-welded product, the two components are tightly adhered together, the welding head 47 moves downwards to heat and weld the iron net 01 and the plastic injection molding part 02 together, after welding is completed, the welding mechanism 4 is reset, and the product is manually taken down.

[0030] The iron net welding device for the sound box shell can finely adjust the profiling positioning block according to actual products, is convenient to process, elastically pre-presses the product before welding, tightly adheres the two to-be-welded components together, and avoids virtual welding.

[0031] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structures or equivalent process transformations obtained by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields are also included in the patent protection range of the utility model.

Claims

1. A mesh welding device for speaker enclosures, characterized by: The utility model provides a welding device for plastic injection parts, including base, bottom plate, adjustable profiling positioning assembly, welding mechanism and protective cover, the bottom plate is fixed on the base workbench through the cushion block, adjustable profiling positioning assembly is installed on the bottom plate, and the welding mechanism is butt jointed and arranged above adjustable profiling positioning assembly, and the protective cover is also installed on the base, adjustable profiling positioning assembly includes two profiling positioning blocks of split design, two profiling positioning blocks include positioning part and installation part for adjusting relative position, the profiling groove for profiling positioning plastic injection part is arranged on the upper end of positioning part, the support boss for horizontally supporting iron net is upwardly protrudingly arranged in the profiling groove, the support boss avoids plastic injection part, and the support table opposite to the welding point is arranged around the profiling groove, at least two same direction waist type holes are arranged on the installation part, and locking screw is vertically passed through waist type hole and is locked to the corresponding installation hole on the bottom plate.

2. The grill welding device for an acoustic enclosure of claim 1, wherein: The welding mechanism includes a plurality of stand columns, a lifting plate, a plurality of air cylinders, a plurality of heat insulation columns, a plurality of heating plates, a plurality of heating rods, a plurality of welding heads, and a plurality of elastic pre-pressing assemblies, the plurality of stand columns are installed on the bottom plate, the lifting plate is movably sleeved on the stand columns through a plurality of shaft sleeves, the protective cover is provided with the air cylinders for driving the lifting plate to move up and down at the top of the protective cover, the plurality of heat insulation columns of the lifting plate are fixedly connected with the plurality of heating plates below, the plurality of heating rods are embedded in the plurality of heating plates, the plurality of welding heads are installed at the lower ends of the plurality of heating plates, the plurality of welding heads are arranged according to the positions of the welding points on the product, and the plurality of elastic pre-pressing assemblies for pre-pressing the product to be welded are further installed at the lower ends of the lifting plate and avoid the plurality of heating plates.

3. The grill welding device for an acoustic enclosure of claim 2, wherein: The elastic pre-pressing assembly includes a pressing block, a nut, a screw rod, a pre-pressing block, a nut, and a spring, the pressing block is installed at the bottom of the lifting plate through a cushion block, the nut is installed on the pressing block, the screw rod capable of moving up and down is threaded and connected to the pre-pressing block at the lower end of the heating plate, the nut is threaded and connected to the middle part of the screw rod, the spring is sleeved on the screw rod above the nut, and the upper and lower ends of the spring are respectively abutted with the nut and the pre-pressing block.

4. The grill welding device for an acoustic enclosure of claim 2, wherein: The heat insulation column is further provided with a plurality of heat dissipation holes in the radial direction.

5. The grill welding device for speaker enclosure of claim 1, wherein: The safety grating is further provided with a material taking and placing door on the front side of the protective cover, and the safety grating is installed on both sides of the material taking and placing door.

6. The grill welding device for an acoustic enclosure of claim 1, wherein: The handle is further installed on both sides of the base.

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