Stamping die

Abstract

The utility model relates to the field of dies, and provides a stamping die which comprises a lower die and an upper die, the lower die comprises a template and a positioning plate, the top surface of the template is provided with a station groove, a stamping plate and a first limiting plate are arranged in the station groove side by side, the stamping plate is arranged in the middle of the station groove, and the first limiting plate is provided with a clamping part; a plurality of positioning columns are arranged on the positioning plate, and through holes are formed in the template and / or the stamping plate and / or the first limiting plate; the upper die is provided with a second limiting plate and a cut-off tool, and the stamping plate is provided with a cut-off groove. The first limiting plate and the second limiting plate are mounted on the lower die and the upper die for jacking and clamping, so that a material belt is clamped on the two sides of a punched position, washers or conducting strips on the material belt can be cut, meanwhile, the material belts on the two sides cannot be deformed, smooth conveying of the material belt is guaranteed, and the production efficiency is improved. And the product production quality and efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the field of molds, in particular to a stamping mold. Background Art

[0002] A speaker is a transducer device that converts electrical signals into acoustic signals. Its performance significantly impacts sound quality. As speaker sizes have evolved, they've varied significantly, from large speakers like those used in concerts to smaller ones like those used in mobile phones. Demand for these devices has also been increasing, and to improve production efficiency, equipment is gradually replacing manual labor to meet production needs.

[0003] However, during the production of speaker washers and / or conductive sheets, strips are often mass-produced and then stamped into the speaker housing. However, during cutting, other parts of the strip are prone to warping or deformation, leading to inaccurate punching and alignment, reducing production efficiency and easily producing substandard products. Utility Model Content

[0004] The purpose of the utility model is to provide a stamping die, aiming to improve the problem that the existing stamping die is prone to material strip deformation.

[0005] To achieve the above-mentioned purpose, the present invention adopts the following technical solution: a stamping die, comprising:

[0006] The lower mold comprises a template and a positioning plate arranged under the template, the top surface of the template is provided with a station groove with two ends connected, a stamping plate and a first limiting plate are arranged side by side in the station groove, the stamping plate is arranged in the middle of the station groove, and the starting end and the end of the first limiting plate are provided with a clamping portion extending toward the stamping plate;

[0007] The positioning plate is provided with a plurality of positioning posts, and the template and / or the punching plate and / or the first limiting plate are provided with through holes for the positioning posts to pass through; and

[0008] An upper die is provided with a second limit plate arranged in alignment with the first limit plate, and the second limit plate has the same structural arrangement as the first limit plate. The upper die is provided with a plurality of cutting knives arranged side by side, and the stamping plate is provided with a plurality of cutting grooves arranged one-to-one with the cutting knives.

[0009] Preferably, a plurality of workstation slots are arranged side by side at equal intervals on the stamping plate.

[0010] Preferably, a plurality of guide posts are provided on the upper die and / or the lower die, and the guide posts are connected and provided between the upper die and the lower die.

[0011] Preferably, a punching surface is provided in the middle of the end face of the cutting knife, and a protruding punching protrusion is provided on the end face of the cutting knife symmetrically with the punching surface.

[0012] Preferably, the cutting groove is a contour groove in the shape of a bottom shell of the speaker.

[0013] Preferably, the positioning plate includes a base plate and a travel plate arranged between the base plate and the mold plate, a travel groove with two ends passing through is provided in the travel plate, a fixed plate is provided in the middle of the travel groove, and a movable plate is located between the fixed plate and the bottom surface of the travel groove, and several positioning columns are arranged on the movable plate.

[0014] Preferably, at least one first alignment block is provided at the edge of the stamping surface of the lower die, and the edge of the stamping surface of the upper die is provided with a second alignment block that is engaged with the first alignment block.

[0015] Preferably, the top surface of the upper mold is provided with a power groove connected to the power equipment.

[0016] After adopting the above technical solution, the utility model has the following advantages compared with the background technology:

[0017] 1. Install the first limit plate and the second limit plate on the lower die and the upper die for top pressure clamping, so that the material strip is clamped on both sides of the punching position. In this way, the washers or conductive sheets on the material strip can be cut without causing deformation of the material strip on both sides, ensuring the smooth transportation of the material strip and improving the quality and efficiency of product production. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of the stamping die of the present invention;

[0019] Figure 2 It is a schematic diagram of the partial structure of the stamping die of the present utility model;

[0020] Figure 3 A partial diagram of the stamping die of the present invention;

[0021] Figure 4 for Figure 3 The enlarged view in the circle marked in middle A;

[0022] Figure 5 This is a schematic structural diagram of the cutting blade of the stamping die described in the present invention.

[0023] Description of reference numerals:

[0024] 10. Lower die; 11. Pattern plate; 12. Positioning plate; 13. First alignment block;

[0025] 111. Work station slot; 112. Punching plate; 113. First limit plate;

[0026] 1121, cutting groove; 1131, clamping portion;

[0027] 121, positioning column; 122, bottom plate; 123, travel plate;

[0028] 1231, fixed plate; 1232, moving plate;

[0029] 20. Upper die; 21. Second limit plate; 22. Cutting knife; 23. Guide column; 24. Second alignment block; 25. Power slot;

[0030] 221. Thrust surface; 222. Thrust bulge. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0032] In addition, it should be noted that the terms "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are all based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element of the present invention must have a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0033] When an element is referred to as being “fixed to,” “disposed on,” or “provided on” another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it can be directly connected to the other element or indirectly connected to the other element.

[0034] Unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly. For example, they can refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of these terms in the utility model based on specific circumstances.

[0035] Example

[0036] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, this embodiment provides a stamping die, including a lower die 10 and an upper die 20, the lower die 10 includes a template 11 and a positioning plate 12 arranged under the template 11, the top surface of the template 11 is provided with a station groove 111 with two ends connected, a stamping plate 112 and a first limiting plate 113 are arranged side by side in the station groove 111, the stamping plate 112 is arranged in the middle of the station groove 111, and a clamping portion 1131 extending toward the stamping plate 112 is provided on the starting end and the end of the first limiting plate 113; Several positioning columns 121 are provided on the positioning plate 12, and through holes for the positioning columns 121 to pass through are provided on the mold plate 11 and / or the stamping plate 112 and / or the first limiting plate 113; the upper mold 20 is provided with a second limiting plate 21 arranged in alignment with the first limiting plate 113, and the second limiting plate 21 has the same structure as the first limiting plate 113, and the upper mold 20 is provided with several cutting knives 22 arranged side by side, and the stamping plate 112 is provided with a plurality of cutting grooves 1121 arranged one-to-one with the cutting knives 22.

[0037] The stamping die is used to punch out the speaker washers and conductive sheets. Specifically, the strip is placed in the work slot 111 and calibrated using the positioning pins 121, allowing the strip to be accurately positioned on the lower die 10. The positioning pins 121 are driven up and down along the through-holes by the positioning plate 12, achieving the effect of switching the strip's position as it moves.

[0038] Furthermore, a first limiting plate 113 and a second limiting plate 21 are installed on the lower mold 10 and the upper mold 20 for top pressure clamping, that is, the first limiting plate 113 and the second limiting plate 21 have a clamping portion 1131, so that the material strip is clamped on both sides of the punching position (that is, the position of the stamping plate 112), so that the washers or conductive sheets on the material strip can be cut without causing deformation of the material strip on both sides, thereby ensuring smooth transportation of the material strip and improving the quality and efficiency of product production.

[0039] Furthermore, cutting grooves 1121 are arranged at equal intervals on the stamping plate 112, and multiple cutting blades 22 are arranged in a position to perform simultaneous blanking operations, thereby achieving the effect of blanking multiple stations at one time, thereby improving work efficiency. At the same time, in this embodiment, a plurality of station grooves 111 are arranged at equal intervals and side by side on the stamping plate 112. That is, multiple station grooves 111 are designed side by side on the lower die 10 and the upper die 20 to achieve the purpose of blanking multiple strips at the same time, thereby further improving work efficiency.

[0040] like Figure 2As shown, in this embodiment, a plurality of guide columns 23 are provided on the upper mold 20 and / or the lower mold 10. The guide columns 23 are connected and arranged between the upper mold 20 and the lower mold 10. Through the arrangement of the guide columns 23, the upper mold 20 can be made stable in the lifting, stamping and moving movements, and has good practicality.

[0041] like Figure 5 As shown, in this embodiment, a cutting blade 22 has a punching surface 221 disposed in the middle of its end face. A raised punching protrusion 222 is also provided on the end face of the cutting blade 22, symmetrically with the punching surface. Specifically, the washer and the conductive sheet can be punched simultaneously. The punching surface 221 engages the washer, cutting the washer along the cutoff point. Simultaneously, the area of ​​the punching protrusion 222 contacts the conductive sheet, cutting the sheet. This achieves the effect of simultaneously cutting the washer and the conductive sheet, improving punching efficiency.

[0042] In this embodiment, the cutting groove 1121 is a contour groove in the shape of the bottom shell of the speaker, so that the speaker shell can be placed in the cutting groove 1121, or it can be used to accommodate the washer and / or conductive sheet under punching. It can be ejected by a pin, or a through hole can be set at the bottom of the contour groove to unload the material, so as to achieve the effect of continuous punching.

[0043] like Figure 1 As shown, in this embodiment, the positioning plate 12 includes a base plate 122 and a travel plate 123 disposed between the base plate 122 and the mold plate 11. The travel plate 123 is provided with a travel slot extending through both ends. A fixed plate 1231 is disposed in the middle of the travel slot, and a movable plate 1232 is positioned between the fixed plate 1231 and the bottom surface of the travel slot. Several positioning posts 121 are disposed on the movable plate 1232. By driving the movable plate 1232 up and down, the positioning posts 121 are simultaneously driven to move. This allows the positioning posts 121 to be inserted into holes on the edge of the material strip for positioning, ensuring that the cutting blade 22 is aligned with the product on the material strip during blanking, thereby improving production efficiency and quality.

[0044] like Figure 2 and Figure 3 As shown, in this embodiment, at least one first alignment block 13 is provided at the edge of the stamping surface of the lower die 10, and a second alignment block 24 is provided at the edge of the stamping surface of the upper die 20 to engage with the first alignment block 13. Specifically, an alignment groove can be provided on the first alignment block 13, and a protrusion can be provided on the second alignment block 24 to engage with the groove, forming an alignment point between the upper die 20 and the lower die 10, so as to prevent misalignment and slippage during use or when stopped, thereby improving practicality.

[0045] like Figure 1As shown, in this embodiment, the top surface of the upper mold 20 is provided with a power groove 25 connected to the power equipment. The power groove 25 can be directly connected to the output shaft of the power equipment, for example, through a motor, and a linear drive is achieved through the worm gear structure. The upper mold 20 is installed on the worm gear through the power groove 25 to achieve the purpose of driving the upper mold 20 for repeated stamping.

[0046] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A stamping die, characterized in that: include: The lower mold comprises a template and a positioning plate arranged under the template, the top surface of the template is provided with a station groove with two ends connected, a stamping plate and a first limiting plate are arranged side by side in the station groove, the stamping plate is arranged in the middle of the station groove, and the starting end and the end of the first limiting plate are provided with a clamping portion extending toward the stamping plate; The positioning plate is provided with a plurality of positioning posts, and the template and / or the punching plate and / or the first limiting plate are provided with through holes for the positioning posts to pass through; and An upper die is provided with a second limit plate arranged in alignment with the first limit plate, and the second limit plate has the same structural arrangement as the first limit plate. The upper die is provided with a plurality of cutting knives arranged side by side, and the stamping plate is provided with a plurality of cutting grooves arranged one-to-one with the cutting knives.

2. The stamping die according to claim 1, characterized in that: The stamping plate is provided with a plurality of workstation slots at equal intervals and arranged side by side.

3. The stamping die according to claim 1, wherein: A plurality of guide posts are provided on the upper die and / or the lower die, and the guide posts are connected and provided between the upper die and the lower die.

4. The stamping die according to claim 1, wherein: A punching surface is provided in the middle of the end surface of the cutting knife, and a protruding punching protrusion is provided on the end surface of the cutting knife symmetrically with the punching surface.

5. The stamping die according to claim 4, characterized in that: The cutting groove is a contour groove in the shape of the bottom shell of the speaker.

6. The stamping die according to claim 1, wherein: The positioning plate includes a base plate and a travel plate arranged between the base plate and the mold plate, a travel groove with two ends passing through is arranged in the travel plate, a fixed plate is arranged in the middle of the travel groove, and a movable plate is located between the fixed plate and the bottom surface of the travel groove, and several positioning columns are arranged on the movable plate.

7. The stamping die according to claim 1, characterized in that: At least one first alignment block is provided at the edge of the stamping surface of the lower die, and a second alignment block is provided at the edge of the stamping surface of the upper die to engage with the first alignment block.

8. The stamping die according to claim 1, wherein: The top surface of the upper mold is provided with a power groove connected to the power equipment.

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