Drawing die for horn mesh convex hull of material belt

Abstract

The utility model discloses a drawing die for a material belt horn mesh convex hull, which comprises an upper die mechanism and a lower die mechanism, the upper die mechanism comprises an upper pressing plate and a stamping assembly, the stamping assembly comprises a stamping plate and a drawing piece, a plurality of limiting grooves are arranged on the stamping plate, a plurality of limiting holes are arranged in each limiting groove, the drawing piece is arranged in the limiting grooves, and the lower die mechanism is arranged on the lower die mechanism. A pressing rod is arranged on the stretching piece and matched with the limiting hole. The lower die mechanism comprises a lower pressing plate, a positioning piece is arranged on the lower pressing plate, a plurality of positioning grooves are formed in the positioning piece, a plurality of positioning holes are formed in the positioning grooves, the positioning holes correspond to the limiting holes in position, pressing rods are matched with the positioning holes, and the upper pressing plate and the lower pressing plate are connected in an inserted and matched mode through positioning columns. Under the pressure of external stamping equipment, the upper pressing plate and the stretching piece can press downwards to enable the pressing rod to be inserted into the positioning hole, so that the loudspeaker mesh on the material belt is stretched out of the convex hull; and the stretching piece and the stamping plate can be replaced, so that convex hull stretching of various material belts can be adapted.

Description

Technical Field

[0001] The utility model belongs to the technical field of die stamping, and in particular relates to a stretching die for a convex bulge of a material belt speaker mesh. Background Art

[0002] Various molds are required in the processing of the material strip. When processing the speaker mesh, it is necessary to extrude and stretch a convex hull structure on the surface of the speaker mesh, and then go through steps such as lamination and gasket installation. The existing convex hull stretching molds have a single specification and can only stretch out convex hulls of one specification. When convex hulls of different specifications need to be extruded and stretched, the entire set of molds needs to be replaced. The operation process is cumbersome, the processing cost is high, and the processing efficiency is low. Utility Model Content

[0003] The purpose of the utility model is to provide a stretching die for a horn mesh bulge of a material strip, in which a movable and replaceable stamping plate and a stretching part are arranged in an upper die mechanism. When faced with different processing requirements, only the corresponding stamping plate or the stretching part needs to be replaced, thereby improving processing efficiency and reducing processing costs.

[0004] The utility model is realized by the following technical solutions:

[0005] A stretching die for a convex hump of a material strip speaker mesh, comprising an upper die mechanism and a lower die mechanism, the upper die mechanism comprising an upper pressure plate and a stamping assembly, the stamping assembly being arranged on the surface of the upper pressure plate, the stamping assembly comprising a stamping plate and a stretching member, the stamping plate being provided with a plurality of limit grooves, the limit grooves being arranged on a surface close to the upper pressure plate, each of the limit grooves being provided with a plurality of limit holes, the stretching member being arranged in the limit grooves, the stretching member being provided with a pressure rod, the pressure rod being matched with the limit holes; the lower die mechanism comprising a lower pressure plate, the lower pressure plate being provided with a positioning member, the positioning member being provided with a plurality of positioning grooves, the positioning grooves being provided with a plurality of positioning holes, the positioning holes corresponding to the setting positions of the limiting holes, the pressure rod being matched with the positioning holes; the lower pressure plate being provided with at least two positioning columns, the upper pressure plate being provided with an assembly hole, the upper pressure plate being connected to the lower pressure plate by plug-in matching with the positioning columns.

[0006] Furthermore, a groove is provided on the upper pressing plate, and the stamping assembly is arranged in the groove.

[0007] Furthermore, a positioning pin is provided in the groove of the upper pressing plate, and the positioning pin is used for positioning the stamping plate.

[0008] Furthermore, a pressing block is arranged on the upper pressing plate, and the pressing block is arranged on the surface of the stamping plate and located at the edge of the limiting hole. A clearance groove is correspondingly arranged on the positioning piece of the lower pressing plate, and the pressing block cooperates with the clearance groove.

[0009] Furthermore, the upper pressing plate and the lower pressing plate are both provided with rubber strips, the rubber strips on the upper pressing plate are arranged on the left and right sides of the stamping plate, and the rubber strips on the lower pressing plate are arranged corresponding to the rubber strips on the upper pressing plate.

[0010] Furthermore, the spacing between the pressure rods on the stretching member is 3-6 mm.

[0011] Furthermore, the length of the pressure rod on the stretching member is 3-5 cm.

[0012] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0013] In the utility model, an upper pressing plate, a stamping plate and a stretching member are arranged in the upper mold mechanism, the stamping plate and the stretching member are arranged in the upper pressing plate, a pressing rod is arranged on the stretching member, a limiting hole is arranged on the stamping plate, the pressing rod can pass through the limiting hole, and a positioning hole is arranged on the positioning member of the lower pressing plate. Under the pressure of an external stamping device, the upper pressing plate and the stretching member can be pressed downward to insert the pressing rod into the positioning hole, thereby stretching a convex bulge on the speaker mesh on the material strip; the stretching member and the stamping plate can be replaced according to different processing requirements, so as to adapt to the convex bulge stretching of various material strips. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 It is a structural schematic diagram of the upper die mechanism in the stretching die of the convex hump of the material belt speaker mesh of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the lower die mechanism in the stretching die of the material belt speaker mesh convex hump of the utility model.

[0017] Figure 3 It is a structural schematic diagram of a drawing part in a drawing die for a convex hump of a material strip speaker mesh according to the utility model.

[0018] Among them: 1-upper pressure plate, 11-assembly hole, 12-positioning pin, 2-stamping plate, 21-limiting hole, 3-pressure block, 4-stretching member, 41-pressure rod, 5-lower pressure plate, 6-positioning column, 7-positioning member, 71-positioning groove, 72-positioning hole, 8-allowing groove, 9-rubber strip. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments.

[0020] Embodiment 1:

[0021] The main structure of this embodiment is a stretching die for a convex bump of a material belt speaker mesh, including an upper die mechanism and a lower die mechanism, the upper die mechanism includes an upper pressing plate 1 and a stamping assembly, the stamping assembly is arranged on the surface of the upper pressing plate 1, the stamping assembly includes a stamping plate 2 and a stretching member 4, the stamping plate 2 is provided with a plurality of limiting grooves, the limiting grooves are arranged on the surface close to the upper pressing plate 1, each of the limiting grooves is provided with a plurality of limiting holes 21, the stretching member 4 is arranged in the limiting groove, the stretching member 4 is provided with a pressing rod 41, the pressing rod 41 cooperates with the limiting hole 21; the lower die mechanism includes a lower pressing plate 5, the lower pressing plate 5 is provided with a positioning member 7, the positioning member 7 is provided with a plurality of A positioning groove 71 is provided with a plurality of positioning holes 72, and the positioning holes 72 correspond to the setting positions of the limit holes 21, and the pressure rod 41 cooperates with the positioning hole 72; at least two positioning columns 6 are provided on the lower pressure plate 5, and an assembly hole 11 is provided on the upper pressure plate 1, and the upper pressure plate 1 and the lower pressure plate 5 are plug-fitted and connected through the positioning columns 6; a groove is provided on the upper pressure plate 1, and the stamping assembly is arranged in the groove; a positioning pin 12 is provided in the groove of the upper pressure plate 1, and the positioning pin 12 is used to position the stamping plate 2; the spacing between the pressure rods 41 on the stretching member 4 is 3-6mm; the length of the pressure rods 41 on the stretching member 4 is 3-5cm.

[0022] When processing the material strip, it is first necessary to punch out a speaker mesh structure on its surface, and then it is necessary to stretch and convex the surface of the speaker mesh structure and shape it; an upper pressing plate 1 and a stamping assembly are provided in the upper mold mechanism, and the stamping assembly includes a stamping plate 2 and a stretching member 4, a plurality of limiting grooves are provided on the stamping plate 2, and the limiting grooves are spaced and arranged in parallel, and the stretching member 4 is arranged in the limiting groove, and a plurality of spaced limiting holes 21 are provided at the central axis of the limiting groove, and a pressure rod 41 is provided on the surface of the stretching member 4, and the pressure rods 41 are spaced and arranged, and the pressure rods 41 can be inserted into the limiting holes 21, and the other side of the stretching member 4 is connected to the outside The stamping equipment abuts against the punching equipment, and the punching equipment presses down the stretching piece 4 to make the pressure rod 41 pass through the limiting hole 21; the spacing between the pressure rods 41 is preferably 3mm, and the length of the pressure rod 41 is 4cm. Different material strips can be replaced with different specifications of stretching pieces 4; the lower mold mechanism includes a lower pressing plate 5, and the lower pressing plate 5 is provided with a positioning piece 7, and the positioning piece 7 is provided with a plurality of positioning grooves 71. The setting position of the positioning groove 71 corresponds to the setting position of the upper limit groove on the punching plate 2. The structure of the positioning groove 71 cooperates with the speaker mesh structure. After the material strip is cut, it enters the surface of the lower pressing plate 5, and the speaker mesh on the material strip can be embedded in the fixed The positioning groove 71 is also provided with a plurality of positioning holes 72, and the setting position of the positioning holes 72 corresponds to the position of the pressure rod 41. The upper pressing plate 1 moves downward under the pressure of the external stamping equipment, so that the pressure rod 41 of the stretching member 4 is slowly inserted into the positioning hole 72, and the speaker mesh of the material belt is stretched out with a convex bump, and the height of the convex bump can be preset; preferably, four positioning columns 6 are provided on the lower pressing plate 5, and the positioning columns 6 are arranged around the lower pressing plate 5, and four assembly holes 11 are correspondingly provided on the upper pressing plate 1, and the positioning columns 6 of the lower pressing plate 5 are inserted into the assembly holes 11 of the upper pressing plate 1, so that the upper pressing plate 1 and the lower pressing plate 5 are The pressing plate 5 remains in a relatively stable state, so that the upper pressing plate 1 and the lower pressing plate 5 can be smoothly approached or moved away; thereby, the accuracy of the stamping bulge can be maintained; a groove is provided on the upper pressing plate 1, and the stamping plate 2 is arranged in the groove of the upper pressing plate 1, so that the stamping plate 2 can be stabilized on the upper surface of the upper pressing plate 1. In addition, a positioning pin 12 is provided in the groove, and the positioning pin 12 is inserted into the stamping plate 2 to fix the stamping plate 2 in the groove of the upper pressing plate 1; similarly, a groove is also provided on the lower pressing plate 5, and the positioning member 7 is arranged in the groove of the lower pressing plate 5, so that the surfaces of the lower pressing plate 5 and the positioning member 7 can be kept in the same horizontal plane.

[0023] Embodiment 2:

[0024] This embodiment further adds a pressure block 3 on the basis of the above embodiment. The upper pressure plate 1 is provided with a pressure block 3, and the pressure block 3 is arranged on the surface of the stamping plate 2 and located at the edge of the limiting hole 21. The positioning piece 7 of the lower pressure plate 5 is correspondingly provided with a clearance groove 8, and the pressure block 3 cooperates with the clearance groove 8.

[0025] A plurality of pressing blocks 3 are arranged on the upper pressing plate 1. The pressing blocks 3 are arranged on the surface of the stamping plate 2 and are located on the two side edges of the stamping plate 2. The pressing blocks 3 are used to press and fix the material strip to prevent the material strip from deforming when the convex bump is pressed down. The height of the pressing blocks 3 is higher than the surface height of the stamping plate 2. A clearance groove 8 is correspondingly arranged on the positioning member 7 of the lower pressing plate 5. The mechanism of the pressing blocks 3 cooperates with the clearance groove 8. After the pressing blocks 3 fix the material strip, the external stamping equipment will continue to squeeze the stretching member 4 until the pressure rod 41 of the stretching member 4 is inserted into the positioning hole 72 to stretch the speaker mesh on the material strip out of the convex bump. The other parts of this embodiment are the same as the above embodiment and will not be repeated here.

[0026] Embodiment 3:

[0027] Based on the above embodiment, this embodiment further adds a rubber strip 9. The upper pressing plate 1 and the lower pressing plate 5 are both provided with rubber strips 9. The rubber strips 9 on the upper pressing plate 1 are arranged on the left and right sides of the stamping plate 2, and the rubber strips 9 on the lower pressing plate 5 are arranged corresponding to the rubber strips 9 on the upper pressing plate 1.

[0028] Preferably, two rubber strips 9 are provided on both the upper pressing plate 1 and the lower pressing plate 5. The rubber strips 9 on the upper pressing plate 1 are provided on the left and right sides of the stamping plate 2. The two rubber strips 9 on the lower pressing plate 5 are provided corresponding to the rubber strips 9 on the upper pressing plate 1. After the upper pressing plate 1 and the lower pressing plate 5 are aligned and abutted, the rubber strips 9 can press the edge of the material strip to prevent the material strip from being squeezed, stretched and deformed. The other parts of this embodiment are the same as those of the above embodiment and will not be repeated here.

[0029] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. used to indicate the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the utility model product is usually placed when used. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0030] In addition, if the terms "horizontal" or "vertical" appear in the description of the present invention, it does not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0031] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A drawing die for a convex bulge of a material strip speaker mesh, characterized in that: The present invention comprises an upper die mechanism and a lower die mechanism, wherein the upper die mechanism comprises an upper pressure plate and a stamping assembly, wherein the stamping assembly is arranged on the surface of the upper pressure plate, the stamping assembly comprises a stamping plate and a stretching member, a plurality of limit grooves are arranged on the stamping plate, the limit grooves are arranged on the surface close to the upper pressure plate, a plurality of limit holes are arranged in each of the limit grooves, the stretching member is arranged in the limit groove, a pressure rod is arranged on the stretching member, and the pressure rod cooperates with the limit hole; the lower die mechanism comprises a lower pressure plate, a positioning member is arranged on the lower pressure plate, a plurality of positioning grooves are arranged on the positioning member, a plurality of positioning holes are arranged on the positioning groove, the positioning holes correspond to the setting positions of the limiting holes, and the pressure rod cooperates with the positioning holes; at least two positioning columns are arranged on the lower pressure plate, an assembly hole is arranged on the upper pressure plate, and the upper pressure plate and the lower pressure plate are connected by plug-in cooperation of the positioning columns.

2. The drawing die for the convex bulge of the material belt speaker mesh as claimed in claim 1, characterized in that: The upper pressing plate is provided with a groove, and the punching assembly is arranged in the groove.

3. The drawing die for the convex bulge of the material belt speaker mesh as claimed in claim 2, characterized in that: A positioning pin is arranged in the groove of the upper pressing plate, and the positioning pin is used for positioning the stamping plate.

4. The drawing die for the convex bulge of the material belt speaker mesh as claimed in claim 1, characterized in that: The upper pressing plate is provided with a pressing block, which is arranged on the surface of the stamping plate and located at the edge of the limiting hole. The positioning piece of the lower pressing plate is correspondingly provided with a giving way groove, and the pressing block cooperates with the giving way groove.

5. The drawing die for the convex bulge of the material belt speaker mesh as claimed in claim 1, characterized in that: The upper pressing plate and the lower pressing plate are both provided with rubber strips. The rubber strips on the upper pressing plate are arranged on the left and right sides of the stamping plate, and the rubber strips on the lower pressing plate are arranged correspondingly to the rubber strips on the upper pressing plate.

6. The drawing die for the convex bulge of the material belt speaker mesh as claimed in claim 1, characterized in that: The spacing between the pressure rods on the stretching member is 3mm-6mm.

7. The drawing die for the convex bulge of the material belt speaker mesh as claimed in claim 1, characterized in that: The length of the pressure rod on the stretching member is 3cm-5cm.

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