Stretching forming equipment for stainless steel loudspeaker mesh enclosure of passenger car

Abstract

The passenger car stainless steel loudspeaker mesh enclosure stretching forming equipment comprises an upper die base and a lower die base, the lower die base is located below the upper die base, a plurality of guide columns are arranged on the face, close to the upper die base, of the lower die base, sleeves allowing the guide columns to be inserted are arranged on the upper die base, and the guide columns and the sleeves are arranged in a one-to-one correspondence mode; a female die plate is arranged on the face, close to the lower die base, of the upper die base, a sub-die plate is arranged on the face, close to the upper die base, of the lower die base, a sub-die core is arranged on the sub-die plate, a forming groove for containing the sub-die core is formed in the female die plate, a plurality of mesh enclosure holes are formed in the stamping piece, and the stamping piece is arranged between the female die plate and the sub-die core. A protrusion is arranged on the sub-mold core, the protrusion is detachably arranged and used for forming a stamping piece, and when the upper mold base moves downwards, the female mold plate drives the stamping piece to abut against the lower mold core. The loudspeaker mesh enclosure stretching forming equipment has the effects that loudspeaker mesh enclosures of different structures can be stretched and formed, and the cost is low.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of loudspeaker technology, in particular to a passenger car stainless steel loudspeaker mesh cover stretch forming equipment. BACKGROUND

[0002] The vehicle-mounted loudspeaker is a device for the automobile to emit sound signals and play music. The importance of the loudspeaker in the automobile sound system is more prominent. To make the vehicle-mounted loudspeaker perform excellent tone and positioning, compared with the home sound system, the technical requirements and difficulties are much higher.

[0003] When the common vehicle-mounted stainless steel loudspeaker mesh cover is formed, one device can only stretch form one specification of loudspeaker mesh cover. When the structure of the loudspeaker mesh cover changes slightly, the mold needs to be re-opened, which is costly. CONTENT OF THE UTILITY MODEL

[0004] In order to make the loudspeaker mesh cover stretch forming equipment stretch form loudspeaker mesh covers of different structures, the present application provides a passenger car stainless steel loudspeaker mesh cover stretch forming equipment.

[0005] The passenger car stainless steel loudspeaker mesh cover stretch forming equipment provided by the present application adopts the following technical scheme:

[0006] A passenger car stainless steel loudspeaker mesh cover stretch forming equipment, comprising an upper die holder and a lower die holder, the lower die holder is located below the upper die holder, one side of the lower die holder close to the upper die holder is provided with a plurality of guide columns, the upper die holder is provided with a sleeve for inserting the guide columns, the guide columns and the sleeve are one-to-one corresponding, one side of the upper die holder close to the lower die holder is provided with a female die plate, one side of the lower die holder close to the upper die holder is provided with a male die plate, the male die plate is provided with a male die core, the female die plate is provided with a forming groove for accommodating the male die core, further comprising a stamping sheet, the stamping sheet is provided between the female die plate and the male die core, the male die core is provided with a protrusion, the protrusion is detachably arranged, the protrusion is used for stamping the stamping sheet, and the female die plate drives the stamping sheet to abut against the male die core when the upper die holder goes down.

[0007] By adopting the above technical scheme, when the metal loudspeaker mesh cover needs to be stretch formed, the metal loudspeaker stamping sheet with the mesh cover holes etched is placed between the male die core and the female die plate, the upper die holder goes down to complete the stretch forming operation, the detachable protrusion arranged on the male die plate makes the structure of the metal loudspeaker mesh cover after stamping forming various, the protrusion can be appropriately cut in the subsequent step, so that the protrusion can place a screen or a button and the like, and meanwhile, after the protrusion is detached, the metal loudspeaker mesh cover without the protrusion can be stretch formed, one device can form two structures of loudspeaker mesh cover, and the loudspeaker mesh cover stretch forming equipment can stretch form loudspeaker mesh covers of different structures.

[0008] Optionally, the bottom of the forming groove is provided with a plurality of mounting holes, and when the protrusion is disassembled, the protrusion is threadedly connected in the mounting hole.

[0009] By adopting the above technical scheme, when the protrusion is disassembled and another structure of the metal loudspeaker needs to be formed, the protrusion is mounted in the mounting hole, and the upper die holder can be formed without replacing the upper die holder, without additional mold opening, and the cost is reduced.

[0010] Optionally, the lower die holder is provided with a plurality of limiting blocks, and the plurality of limiting blocks are arranged circumferentially around the sub-mold core. The female mold plate is provided with a receiving groove for accommodating the limiting blocks. The limiting blocks are used to limit the sliding of the stamping piece.

[0011] By adopting the above technical scheme, the limiting block places the stamping piece away from the sub-mold core during the forming process, improving the efficiency of the stamping forming.

[0012] Optionally, the end of each of the plurality of guide columns close to the sleeve is provided with a travel switch button. The upper die holder is driven downward to insert the guide column into the sleeve. When the travel switch button abuts against the bottom of the sleeve, the travel switch button is pressed down, and the device background displays a successful mold closing.

[0013] By adopting the above technical scheme, the travel switch button is connected to the stretching forming device background. When the upper die holder is lowered, all the travel switch buttons abut against the bottom of the sleeve and are pressed down, and the background displays that the mold has been closed. This facilitates the staff to judge the mold closing condition of the device and timely find the problem of the device.

[0014] Optionally, a spring is sleeved on the guide column, the spring elastic force direction is the same as the guide column length direction, one end of the spring is arranged at the bottom of the guide column, and the other end is used for abutting against the sleeve.

[0015] By adopting the above technical scheme, when the upper die holder is lowered, the spring has a certain buffering effect, so that the travel switch button is not easy to be damaged.

[0016] Optionally, the thickness of the stamping piece is 0.5-0.8mm.

[0017] By adopting the above technical scheme, the stamping piece with appropriate thickness is convenient for stamping forming operation, and the mesh cover hole is not easy to change greatly.

[0018] In summary, the present application has at least one of the following beneficial technical effects:

[0019] 1. The upper die seat goes down to complete the stretch forming operation, and after the protrusion is disassembled, the speaker mesh cover without protrusion can be stretch formed, two structures of speaker mesh cover can be formed without re-opening the mold, and the speaker mesh cover stretch forming equipment can stretch form speaker mesh covers with different structures, reducing cost;

[0020] 2. After the protrusion is disassembled, the protrusion can be installed in the mounting hole, and the upper die seat can perform forming operation without replacement, and the upper die seat does not need additional mold opening, reducing cost;

[0021] 3. The travel switch button is convenient for workers to judge the clamping condition of the equipment and timely find equipment problems. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is the overall schematic diagram of the passenger car stainless steel speaker mesh cover stretch forming equipment of the embodiment.

[0023] Figure 2 is a structural schematic diagram of the upper die seat of the embodiment.

[0024] Figure 3 is a structural exploded view of the lower die seat and the stamping sheet of the embodiment.

[0025] Reference signs: 1, upper die seat; 2, lower die seat; 31, guide column; 32, sleeve; 33, forming groove; 34, stamping sheet; 35, mesh cover hole; 36, limiting block; 37, containing groove; 38, mounting hole; 4, female mold plate; 5, male mold plate; 6, male mold core; 7, protrusion; 8, travel switch button; 9, spring. DETAILED DESCRIPTION

[0026] The application will be further described in detail below in combination with the drawings and embodiments.

[0027] The embodiment of the application discloses a passenger car stainless steel speaker mesh cover stretch forming equipment. Referring to Figure 1 , Figure 2 , Figure 3 , the passenger car stainless steel speaker mesh cover stretch forming equipment comprises an upper die seat 1 and a lower die seat 2. The lower die seat 2 is located below the upper die seat 1, and four groups of guide columns 31 are fixed to one side of the lower die seat 2 close to the upper die seat 1. The upper die seat 1 is fixed with sleeves 32 for inserting the guide columns 31, and the guide columns 31 and the sleeves 32 are arranged one by one in correspondence. One side of the upper die seat 1 close to the lower die seat 2 is fixed with a female mold plate 4, and one side of the lower die seat 2 close to the upper die seat 1 is fixed with a male mold plate 5. The male mold plate 5 is fixed with a male mold core 6, and the female mold plate 4 is provided with a forming groove 33 for accommodating the male mold core 6.

[0028] Referring to Figure 1 , Figure 2 , Figure 3Also comprises a stamping sheet 34, a plurality of mesh cover holes 35 are opened on the stamping sheet 34, and the thickness of the stamping sheet 34 is 0.5-0.8mm. The stamping sheet 34 is placed between the female mold plate 4 and the male mold core 6. The male mold core 6 is threadedly connected with a protrusion 7 through a fixing bolt, the protrusion 7 is detachably arranged, and the protrusion 7 is used for forming the stamping sheet 34. When the upper die seat 1 descends, the female mold plate 4 drives the stamping sheet 34 to abut against the lower mold core. A plurality of mounting holes 38 are opened on the bottom of the forming groove 33, and when the protrusion 7 is detached, the protrusion 7 is threadedly connected in the mounting hole 38.

[0029] Referring to Figure 2 , Figure 3 , a plurality of limiting blocks 36 are arranged on the lower die seat 2, the plurality of limiting blocks 36 are arranged along the circumference of the male mold core 6, and the female mold plate 4 is provided with a containing groove 37 for containing the limiting block 36, and the limiting block 36 is used for limiting the sliding of the stamping sheet 34.

[0030] Referring to Figure 2 , Figure 3 , the end of the guide column 31 close to the sleeve 32 is fixed with a travel switch button 8, and the upper die seat 1 descends to drive the guide column 31 to be inserted into the sleeve 32. The guide column 31 is sleeved with a spring 9, the spring 9 has the same direction as the length direction of the guide column 31, one end of the spring 9 is fixed on the bottom of the guide column 31, and the other end is used for abutting against the sleeve 32. When the travel switch button 8 abuts against the bottom of the sleeve 32, the travel switch button 8 is pressed down, and the device background displays that the clamping is successful.

[0031] The implementation principle of the embodiment of the application is that when the metal loudspeaker mesh cover needs to be stretched and formed, the metal loudspeaker stamping sheet 34 with the mesh cover holes 35 etched is placed between the male mold core 6 and the female mold plate 4, the upper die seat 1 descends to complete the stretching and forming operation, the travel switch button 8 is pressed down, the staff checks whether the clamping is successful through the device background, the formed stamping sheet 34 is taken out, so that the stamping sheet 34 can enter the next process, when the metal loudspeaker mesh cover with another structure needs to be stretched and formed, the protrusion 7 is detached through the fixing bolt and is installed into the mounting hole on the female mold plate 4, one stretching and forming device can form two structures of loudspeaker mesh cover, and the cost is reduced without re-opening the mold. The loudspeaker mesh cover stretching and forming device can stretch and form loudspeaker mesh covers with different structures.

[0032] The above are the preferred embodiments of the application, which do not limit the protection scope of the application, so: any equivalent changes made on the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A passenger car stainless steel loudspeaker mesh stretch forming apparatus comprising an upper die holder (1) and a lower die holder (2), characterized in that: The lower die seat (2) is located below the upper die seat (1), a plurality of guide columns (31) are arranged on one side of the lower die seat (2) close to the upper die seat (1), sleeves (32) for the guide columns (31) to be inserted are arranged on the upper die seat (1), the guide columns (31) and the sleeves (32) are arranged one by one, a female die plate (4) is arranged on one side of the upper die seat (1) close to the lower die seat (2), a male die plate (5) is arranged on one side of the lower die seat (2) close to the upper die seat (1), a male die core (6) is arranged on the male die plate (5), a forming groove (33) for accommodating the male die core (6) is arranged on the female die plate (4), a stamping piece (34) is further arranged, a plurality of mesh cover holes (35) are arranged on the stamping piece (34), the stamping piece (34) is arranged between the female die plate (4) and the male die core (6), a protrusion (7) is arranged on the male die core (6), the protrusion (7) is detachably arranged, the protrusion (7) is used for stamping the stamping piece (34), when the upper die seat (1) descends, the female die plate (4) drives the stamping piece (34) to abut against the male die core.

2. The passenger car stainless steel loudspeaker mesh cover stretch forming apparatus of claim 1, wherein: A plurality of mounting holes (38) are arranged on the bottom of the forming groove (33), when the protrusion (7) is detached, the protrusion (7) is connected to the mounting hole (38) through a bolt thread.

3. The passenger car stainless steel loudspeaker mesh cover stretch forming apparatus of claim 1, wherein: A plurality of limiting blocks (36) are arranged on the lower die seat (2), the limiting blocks (36) are arranged along the circumference of the male die core (6), accommodating grooves (37) for accommodating the limiting blocks (36) are arranged on the female die plate (4), and the limiting blocks (36) are used for limiting the sliding of the stamping piece (34).

4. The passenger car stainless steel loudspeaker mesh cover stretch forming apparatus of claim 1, wherein: End portions of the plurality of guide columns (31) close to the sleeves (32) are provided with travel switch buttons (8), the upper die seat (1) drives the guide columns (31) to be inserted into the sleeves (32) when descending, when the travel switch buttons (8) abut against the bottom of the sleeves (32), the device background displays that the clamping is successful when the travel switch buttons (8) are all pressed down.

5. The passenger car stainless steel loudspeaker mesh cover stretch forming apparatus of claim 1, wherein: Springs (9) are sleeved on the guide columns (31), the elastic force direction of the springs (9) is the same as the length direction of the guide columns (31), one end of the spring (9) is arranged at the bottom of the guide column (31), and the other end is used for abutting against the sleeve (32).

6. The passenger car stainless steel loudspeaker mesh cover stretch forming apparatus of claim 1, wherein: The thickness of the stamping piece (34) is 0.5-0.8 mm.

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