Voice coil framework punching device

Abstract

The utility model relates to the technical field of voice coil frameworks, and discloses a voice coil framework punching device which comprises a lower installation disc, a plurality of supporting columns are fixedly connected to the top of the lower installation disc, an upper installation disc is fixedly connected to the top ends among the supporting columns, and a punching assembly is arranged on the upper surface of the upper installation disc. A positioning mold core is fixedly connected to the upper surface of the upper mounting disc, an embedding cavity is formed in the top of the positioning mold core, a plurality of arc-shaped positioning blocks are fixedly connected into the embedding cavity, two demolding air cylinders are fixedly connected to the inner wall of the bottom of the upper mounting disc, and a connecting ring is fixedly connected between piston rods of the two demolding air cylinders. According to the voice coil framework positioning and punching die, a worker can conveniently and rapidly position and punch a voice coil framework, meanwhile, the worker can conveniently take the punched voice coil framework, the worker can conveniently add the voice coil framework into the positioning die core through the chamfer angle, and use is smoother.

Description

TECHNICAL FIELD

[0001] The utility model relates to a voice coil former technical field more specifically relates to a voice coil former punching device. BACKGROUND

[0002] The voice coil is the coil of audio current, and is an important component of the vibration system of the electric loudspeaker, and is the heart of the loudspeaker. The performance of the voice coil will affect the sound pressure frequency characteristics, sound pressure level, impedance curve, distortion, transient characteristics, loudspeaker parameters, sound quality and the like of the loudspeaker, and is particularly related to the power and service life of the loudspeaker.

[0003] The heat source of the loudspeaker is mainly the voice coil, and the greater the power of the loudspeaker, the greater the heat energy, which leads to rapid rise of the temperature of the voice coil. If the voice coil cannot be cooled well, the voice coil will be burned when the temperature of the voice coil rises to the limit of the material. The punching of the voice coil former can make the hot air generated in the movement of the voice coil circulate in the acoustic cavity, reduce the temperature of the voice coil, and prolong the service life of the loudspeaker.

[0004] At present, the production of punched voice coils is completed after winding, and the products are put into the mold by the line operators for manual punching. The manual operation steps are complicated, the products are easy to be damaged, the operation standard is not standardized, the size quality is poor, and the cost of labor and raw materials is wasted. SUMMARY

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a voice coil former punching device to solve the problems in the above background art.

[0006] The utility model provides the following technical scheme: a voice coil former punching device, including lower mounting disc, the top of lower mounting disc is fixedly connected with a plurality of struts, the top of a plurality of struts is fixedly connected with upper mounting disc, the upper surface of upper mounting disc is equipped with punching assembly, the upper surface of upper mounting disc is fixedly connected with positioning mould core, the top of positioning mould core is equipped with embedding cavity, embedding cavity is fixedly connected with a plurality of arc positioning blocks, the bottom inner wall of upper mounting disc is fixedly connected with two stripping air cylinders, two stripping air cylinder piston rods are fixedly connected with connecting ring, the upper surface of connecting ring is fixedly connected with a plurality of stripping top blocks, the top of positioning mould core is equipped with a plurality of positioning perforations.

[0007] As a further scheme of the utility model, the punching assembly includes a plurality of supports, the plurality of supports are fixed on the upper surface of the upper mounting disc through bolts, the top of each of the plurality of supports is fixedly connected with a punching cylinder, one end of the piston rod of the punching cylinder is fixedly connected with a punch pin, and the punch pin passes through the positioning perforation.

[0008] As a further scheme of the present utility model, the middle position of the upper installation disc is provided with a demolding through slot, and the demolding top block passes through the demolding through slot.

[0009] As a further scheme of the present utility model, the top of the arc-shaped positioning block is provided with an inverted bevel.

[0010] As a further scheme of the present utility model, the top of the arc-shaped positioning block is provided with an inverted bevel.

[0011] As a further scheme of the present utility model, the inside of the connecting ring is provided with a lower material leakage hole.

[0012] As a further scheme of the present utility model, the positioning mold core is an upper and lower opening hollow structure.

[0013] The technical effects and advantages of the present utility model are as follows:

[0014] The present utility model is provided with the arc-shaped positioning block and the punching assembly, which are used in cooperation, so that the staff can quickly position and punch the voice coil former, the operation is simpler, the time and labor of manual operation and repeated position adjustment are saved, the punching effect of the device is more standardized, and the punching effect of the device is improved.

[0015] The present utility model is provided with the demolding top block, so that the voice coil former after punching is moved upward and gradually out of the positioning mold core, and the staff can conveniently take the voice coil former after punching, and the operation is more convenient and labor-saving.

[0016] The present utility model can not only make the impurities generated during punching automatically fall through the cooperation of the upper material leakage hole and the lower material leakage hole, but also make it convenient for the staff to add the voice coil former into the positioning mold core through the inverted bevel, and the use is more smooth. DRAWINGS

[0017] Figure 1 It is a front side three-dimensional structure schematic view of the present utility model.

[0018] Figure 2 It is an A part enlarged structure schematic view of the present utility model.

[0019] Figure 3 It is a lower side three-dimensional structure schematic view of the present utility model.

[0020] Figure 4 It is a partial sectional view schematic view of the present utility model.

[0021] The reference signs are: 1, upper mounting disc; 2, support; 3, support column; 4, lower mounting disc; 5, positioning mold core; 6, punching cylinder; 7, punching needle; 8, embedding cavity; 9, inverted bevel; 10, arc-shaped positioning block; 11, positioning perforation; 12, demolding cylinder; 13, demolding top block; 14, connecting ring; 15, demolding perforated groove; 16, lower material leakage hole; 17, upper material leakage hole. DETAILED DESCRIPTION

[0022] The technical solutions in the utility model will be described clearly and completely below in combination with the drawings in the utility model, and additionally, the forms of each structure described in the following embodiments are only examples, and the utility model is not limited to each structure described in the following embodiments, and all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] With reference to Figures 1-4 The utility model provides a kind of voice coil former punching device, including lower mounting disc 4, the top of lower mounting disc 4 is fixed with multiple support columns 3 by bolt, the top of multiple support columns 3 is fixed with upper mounting disc 1 by bolt, the upper surface of upper mounting disc 1 is equipped with punching assembly, the upper surface of upper mounting disc 1 is fixed with positioning mold core 5 by bolt, the top of positioning mold core 5 is equipped with embedding cavity 8, embedding cavity 8 is fixed with multiple arc-shaped positioning blocks 10 by bolt, arc-shaped positioning block 10 can be positioned to voice coil former, so that voice coil former gets stable punching, the bottom inner wall of upper mounting disc 1 is fixed with two demolding cylinders 12 by bolt, two demolding cylinders 12 piston rod are fixed with connecting ring 14 by bolt between, the upper surface of connecting ring 14 is fixed with multiple demolding top blocks 13 by bolt, the top of positioning mold core 5 is equipped with multiple positioning perforations 11, first, voice coil former is placed into positioning mold core 5, so that arc-shaped positioning block 10 is contacted with voice coil former, at this time, the bottom of voice coil former is contacted with demolding top block 13, then voice coil former is punched by punching assembly.

[0024] The utility model discloses, need explanation, punch assembly includes a plurality of support 2, a plurality of support 2 are fixed on the upper surface of upper mounting disc 1 through bolt, the top of a plurality of support 2 all are fixed with punch cylinder 6 through bolt, and one end of punch cylinder 6 piston rod is fixed with punch pin 7 through bolt, and punch pin 7 passes through positioning perforation 11, and punch cylinder 6 elongation makes punch pin 7 move, and the middle position of upper mounting disc 1 is provided with demolding slot 15, when needing to take out the voice coil former that punch is completed, and demolding cylinder 12 contraction makes demolding top block 13 along with demolding slot 15 upward movement, thereby make demolding top block 13 push the voice coil former and move out gradually remove positioning mould core 5, and then facilitate staff to take the voice coil former that punch is completed and collect, and demolding top block 13 passes through demolding slot 15, and the top of arc positioning block 10 is provided with inverted bevel 9, and inverted bevel 9 facilitates staff to add the voice coil former to positioning mould core 5, and the top between a plurality of demolding top blocks 13 is equipped with upper material leakage hole 17, and the inside of connecting ring 14 is provided with lower material leakage hole 16, and through the cooperation of upper material leakage hole 17 and lower material leakage hole 16, the impurities that punch produces drop automatically, and positioning mould core 5 is the hollow structure of upper and lower opening inside.

[0025] The utility model discloses a working principle: when needing to punch the voice coil former, first place the voice coil former into positioning mould core 5, make arc positioning block 10 contact with the voice coil former, at this moment, the bottom of the voice coil former contacts with demolding top block 13, then start punch cylinder 6, and punch cylinder 6 elongation makes punch pin 7 move, and makes punch pin 7 pass through positioning perforation 11 and punch the voice coil former, and the impurities that punch produce are discharged through upper material leakage hole 17 to lower material leakage hole 16, when needing to take out the voice coil former that punch is completed, start demolding cylinder 12, and demolding cylinder 12 contraction makes demolding top block 13 along with demolding slot 15 upward movement, thereby make demolding top block 13 push the voice coil former and move out gradually remove positioning mould core 5, and then facilitate staff to take the voice coil former that punch is completed and collect.

[0026] Finally should explain a few points: in the description of the present application, need explanation, unless otherwise provided and limited, the term "installation", "link", "connection" should be broad sense understanding, can be mechanical connection or electric connection, also can be two elements inside the communication, can be directly connected, "upper", "lower", "left", "right" just for showing relative position relation, when the absolute position of the object described changes, the relative position relation can change;

[0027] The utility model discloses the drawing in the disclosure embodiment, only relate to the structure of the disclosure embodiment, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined mutually.

Claims

1. A voice coil frame punching device, comprising a lower mounting plate (4), wherein a plurality of support columns (3) are fixedly connected to the top of the lower mounting plate (4), and an upper mounting plate (1) is fixedly connected to the top of the plurality of support columns (3), characterized in that: The upper surface of the upper mounting plate (1) is provided with a punching assembly. The upper surface of the upper mounting plate (1) is fixedly connected with a positioning mold core (5). The top of the positioning mold core (5) is provided with an embedded cavity (8). Multiple arc-shaped positioning blocks (10) are fixedly connected in the embedded cavity (8). Two demolding cylinders (12) are fixedly connected to the bottom inner wall of the upper mounting plate (1). A connecting ring (14) is fixedly connected between the piston rods of the two demolding cylinders (12). Multiple demolding top blocks (13) are fixedly connected to the upper surface of the connecting ring (14). Multiple positioning through holes (11) are opened on the top of the positioning mold core (5).

2. The voice coil frame punching device according to claim 1, characterized in that: The punching assembly includes multiple brackets (2), which are fixed to the upper surface of the upper mounting plate (1) by bolts. Each of the brackets (2) is fixedly connected to a punching cylinder (6) at the top. One end of the piston rod of the punching cylinder (6) is fixedly connected to a punch (7), and the punch (7) passes through the positioning hole (11).

3. The voice coil frame punching device according to claim 1, characterized in that: The upper mounting plate (1) has a demolding groove (15) in the middle position, and the demolding top block (13) passes through the demolding groove (15).

4. The voice coil frame punching device according to claim 1, characterized in that: The top of the arc-shaped positioning block (10) is provided with a chamfer (9).

5. The voice coil frame punching device according to claim 1, characterized in that: The top of the plurality of demolding top blocks (13) is provided with an upper discharge hole (17).

6. The voice coil frame punching device according to claim 5, characterized in that: The connecting ring (14) has a lower material leakage hole (16) inside.

7. The voice coil frame punching device according to claim 1, characterized in that: The positioning core (5) is a hollow structure with openings at the top and bottom.

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