An automatic loading device for diaphragm pressing

Abstract

The utility model relates to a diaphragm production technical field discloses a kind of diaphragm pressing automatic feeding device, including feeding platform;Base;Material transfer device, connecting piece is provided on the material transfer device, fixedly connected with mounting head on the connecting piece, vacuum suction nozzle is elastically connected with on the mounting head by spring, anti-sticking device and anti-static device are respectively provided on the material transfer device, the anti-sticking device is used to contact collision with vacuum suction nozzle during material transfer, the anti-static device is used to rotate and de-electrify diaphragm adsorbed on vacuum suction nozzle. In the utility model, connecting piece is driven by material transfer device vacuum suction nozzle in turn with anti-sticking device and anti-static device corresponding work, reach and work in turn to diaphragm de-sticking, de-electrify, reach the effect that multiple sticking diaphragm is automatically shaken and separated, reach the purpose that diaphragm surface before pressing is carried out comprehensive de-electrification work.

Description

Technical Field

[0001] This utility model relates to the field of diaphragm production technology, and in particular to an automatic diaphragm pressing and feeding device. Background Technology

[0002] As a core component for electroacoustic conversion, loudspeakers are widely used in consumer electronics, car audio, smart devices, and many other fields. Their sound quality is directly related to the assembly precision of the diaphragm. Diaphragm lamination is a critical process in loudspeaker production, requiring the precise alignment and pressure bonding of a thin diaphragm with specific acoustic characteristics to other components. The level of automation and material handling precision in this process not only determines production efficiency but also affects the acoustic consistency and reliability of the final product.

[0003] In addition to the pressing mechanism itself, existing pressing machines will add corresponding feeding and unloading devices to complete the fully automated feeding and pressing work. Due to the special nature of the diaphragm in the loudspeaker, the feeding device on the pressing machine mostly uses a vacuum suction cup to grab and feed the diaphragm.

[0004] In practical applications, speaker diaphragms are mostly made of polymer materials such as PET and PEEK. Before lamination, diaphragms are often stored in stacked feeding bins. Due to factors such as surface static electricity, tension, trace amounts of oil, and environmental humidity, two or more diaphragms are prone to sticking together. Traditional vacuum suction cup gripping mechanisms cannot identify the sticking state and will grab multiple diaphragms at the same time and place them at the lamination station, resulting in excessive material in the lamination process. At the same time, during the gripping process, friction of the diaphragm in the feeding bin or the influence of its own material and environment will generate static electricity. The statically charged diaphragm will attract dust during lamination, which will affect the lamination effect. Therefore, an automatic diaphragm lamination feeding device is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides an automatic feeding device for diaphragm pressing, which aims to solve the problems in the prior art where multiple materials stick together before diaphragm pressing, and the static electricity of the diaphragm itself attracts dust, affecting the pressing effect.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an automatic diaphragm pressing and feeding device, comprising a feeding platform, a base fixedly installed on the feeding platform, a material transfer device on the base, a connecting member on the material transfer device, an installation head fixedly connected to the connecting member, a vacuum nozzle elastically connected to the installation head via a spring, a telescopic rod fixedly connected between the end of the vacuum nozzle and the end of the installation head, and an anti-sticking device and an anti-static device respectively provided on the material transfer device, the anti-sticking device being used to contact and collide with the vacuum nozzle during material transfer, and the anti-static device being used to rotate and remove static electricity from the diaphragm adsorbed on the vacuum nozzle.

[0007] As a further description of the above technical solution:

[0008] The material transfer device includes a control base and an electric push rod. The bottom end of the control base is fixedly installed on the loading platform. An active motor is fixedly connected inside the control base. The output shaft of the active motor is fixedly connected to a telescopic connecting rod. The telescopic end of the telescopic connecting rod is fixedly connected to a connecting frame. The output shaft of the electric push rod is fixedly connected to a connecting rod.

[0009] As a further description of the above technical solution:

[0010] The connector is fixedly connected to the connecting frame, the surface of the telescopic connecting rod is movably connected to the top of the control base, the connecting frame is rotatably connected to the bottom end of the connecting rod, and the end of the electric push rod is fixedly installed on the base.

[0011] As a further description of the above technical solution:

[0012] The anti-sticking device includes a fixed base, the bottom of which is fixedly connected to the feeding platform. A receiving guide plate and a limiting frame are fixedly connected to the fixed base. A collision block is elastically connected inside the limiting frame by a torsion spring.

[0013] As a further description of the above technical solution:

[0014] An extension plate is fixedly connected to the vacuum nozzle. The extension plate is used to contact and collide with the collision blocks. The number of collision blocks is set to multiple, and the multiple collision blocks are arranged in a linear array on the limiting frame.

[0015] As a further description of the above technical solution:

[0016] The antistatic device includes a connecting base, the surface of which is fixedly connected to the surface of the control base. An inner spiral groove fixing sleeve is fixedly connected to the connecting base. A passive pressure plate is elastically connected to the surface of the connecting base by a spring. A shaft is rotatably connected to the passive pressure plate. An ion fan bar is fixedly connected to the top of the shaft. Ball bearings are fixedly connected to the surface of the shaft.

[0017] As a further description of the above technical solution:

[0018] The antistatic device also includes a pressure rod, the top of which is fixedly connected to a connector. A telescopic guide rod is fixedly connected between the surface of the connecting base and the surface of the passive pressure plate. The shaft passes through the bottom end of the inner spiral groove fixing sleeve.

[0019] As a further description of the above technical solution:

[0020] The inner spiral groove fixing sleeve has a spiral groove inside, and the ball is slidably connected in the spiral groove.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, the material transfer device drives the connecting piece to drive the vacuum nozzle to work in sequence with the anti-adhesion device and the anti-static device, so as to remove the adhesion and static electricity of the diaphragm in sequence, achieve the effect of automatic shaking and separation of multiple adhered diaphragms, and achieve the purpose of comprehensive static electricity removal of the diaphragm surface before pressing.

[0023] 2. In this utility model, the extension plate contacts and impacts multiple collision blocks, and the vibration generated by the collision achieves the effect of shaking the entire vacuum nozzle. Since the individual diaphragm itself is in a relatively stable state due to the adsorption effect of the vacuum nozzle, the diaphragm stuck at its bottom due to various factors will be automatically discharged due to the influence of the shaking force, and then discharged from the receiving guide plate, thereby achieving the effect of automatic shaking and separation of multiple stuck diaphragms.

[0024] 3. In this utility model, during the downward movement of the connecting piece, the passive pressure plate is squeezed by the pressure rod, and the ion air bar also moves downward accordingly, thereby achieving the effect of always being attached to the vacuum nozzle. This achieves the effect of adaptively removing static electricity from the diaphragm during the vacuum nozzle adsorption process. By setting the ball bearings to limit the sliding within the spiral groove, the shaft rotates while descending within the inner spiral groove fixed sleeve, and then transmits the rotational force to the ion air bar, achieving comprehensive static electricity removal from the diaphragm surface. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of an automatic diaphragm pressing and feeding device proposed in this utility model;

[0026] Figure 2 This is a schematic diagram of an anti-sticking device for an automatic diaphragm pressing and feeding device proposed in this utility model;

[0027] Figure 3 This is a schematic diagram of the material transfer device of the automatic feeding device for diaphragm pressing proposed in this utility model;

[0028] Figure 4 This is a schematic diagram of the ball bearing of an automatic diaphragm pressing and feeding device proposed in this utility model;

[0029] Figure 5 This is a schematic diagram of the inner spiral groove fixing sleeve of an automatic diaphragm pressing and feeding device proposed in this utility model.

[0030] Legend:

[0031] 1. Feeding platform; 2. Base; 3. Transfer device; 31. Control base; 32. Active motor; 33. Telescopic connecting rod; 34. Connecting frame; 35. Electric push rod; 36. Connecting rod; 4. Connecting piece; 5. Mounting head; 6. Vacuum nozzle; 7. Telescopic rod; 8. Anti-sticking device; 81. Fixed base; 82. Receiving guide plate; 83. Limiting frame; 84. Collision block; 9. Anti-static device; 91. Connecting base; 92. Inner spiral groove fixing sleeve; 93. Passive pressure plate; 94. Shaft; 95. Ionizing air bar; 96. Ball bearing; 97. Pressure rod; 98. Telescopic guide rod; 10. Extension plate. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Reference Figure 1The present invention provides an embodiment of an automatic diaphragm pressing and feeding device, comprising a feeding platform 1, a base 2 fixedly mounted on the feeding platform 1, a material transfer device 3 mounted on the base 2, a connecting member 4 mounted on the material transfer device 3, an mounting head 5 fixedly connected to the connecting member 4, a vacuum nozzle 6 elastically connected to the mounting head 5 via a spring, a telescopic rod 7 fixedly connected between the end of the vacuum nozzle 6 and the end of the mounting head 5, an anti-sticking device 8 and an anti-static device 9 respectively mounted on the material transfer device 3, and a feeding area, an anti-sticking area, an anti-static area, and a pressing area arranged in a circular pattern on the feeding platform 1. In the feeding area of ​​the bonding machine, the anti-sticking device 8 is set in the anti-sticking zone, and the anti-static device 9 is set in the static removal zone. The anti-sticking device 8 is used to contact and collide with the vacuum nozzle 6 during the material transfer. The anti-static device 9 is used to rotate and remove static electricity from the diaphragm adsorbed on the vacuum nozzle 6. The material transfer device 3 drives the vacuum nozzle 6 to work in turn with the anti-sticking device 8 and the anti-static device 9 through the connecting piece 4, so as to achieve the work of removing adhesion and static electricity from the diaphragm in sequence, achieving the effect of automatic shaking and separation of multiple adhered diaphragms, and achieving the purpose of comprehensive static removal of the diaphragm surface before pressing.

[0034] Reference Figures 2-3 The transfer device 3 includes a control base 31 and an electric push rod 35. The bottom end of the control base 31 is fixedly installed on the loading platform 1. An active motor 32 is fixedly connected inside the control base 31. The output shaft of the active motor 32 is fixedly connected to a telescopic connecting rod 33. The telescopic end of the telescopic connecting rod 33 is fixedly connected to a connecting frame 34. The output shaft of the electric push rod 35 is fixedly connected to a connecting rod 36. A connecting piece 4 is fixedly connected to the connecting frame 34. The surface of the telescopic connecting rod 33 is movably connected to the top of the control base 31. The connecting frame 34 is rotatably connected to the bottom end of the connecting rod 36. The end of the electric push rod 35 is fixedly installed on the base 2. By setting up various structures inside the transfer device 3 and utilizing the mutual operation between these structures, the vacuum nozzle 6 can rotate and lift as a whole, thereby satisfying the work of the vacuum nozzle 6 driving the diaphragm to transfer and load / unload materials.

[0035] Reference Figure 2The anti-sticking device 8 includes a fixed base 81, the bottom of which is fixedly connected to the loading platform 1. A receiving guide plate 82 and a limiting frame 83 are fixedly connected to the fixed base 81. A collision block 84 is elastically connected inside the limiting frame 83 via a torsion spring. The elastically positioned collision block 84 causes the vacuum nozzle 6 to vibrate upon collision, while avoiding excessive impact and damage due to hard contact. An extension plate 10 is fixedly connected to the vacuum nozzle 6, and the extension plate 10 is used to contact and collide with the collision block 84. Multiple collision blocks 84 are provided, and the multiple collision blocks 84 are arranged in a specific pattern. The linear array distribution is set on the limiting frame 83. During the downward movement of the vacuum nozzle 6 driven by the mounting head 5 and telescopic rod 7, the extension plate 10 protruding on the vacuum nozzle 6 contacts and impacts multiple collision blocks 84. The vibration generated by the collision achieves the effect of shaking the entire vacuum nozzle 6. Since the individual diaphragm itself is in a relatively stable state due to the adsorption effect of the vacuum nozzle 6, the diaphragm stuck at its bottom due to various factors will be automatically unloaded by the shaking force and then discharged from the receiving guide plate 82, thereby achieving the effect of automatic shaking and separation of multiple stuck diaphragms.

[0036] Reference Figure 2 and Figure 4 The antistatic device 9 includes a connecting base 91 and a pressure rod 97. The surface of the connecting base 91 is fixedly connected to the surface of the control base 31. An inner spiral groove fixing sleeve 92 is fixedly connected to the connecting base 91. A passive pressure plate 93 is elastically connected to the surface of the connecting base 91 via a spring. A shaft 94 is rotatably connected to the passive pressure plate 93. An ion air bar 95 is fixedly connected to the top of the shaft 94. The ion air bar 95 is externally powered, which is existing technology. The ion air bar 95 is an electronic product that uses high voltage to generate an electrostatic field to guide the surrounding air ions to generate an instantaneous burst discharge, releasing a large number of oxygen negative ions. It can quickly eliminate static electricity on the surface of the workpiece and prevent dust and impurities from being attracted. Additionally, a ball bearing 96 is fixedly connected to the surface of the shaft 94, and the top end of the pressure rod 97 is fixedly connected to the connector 4. A telescopic guide rod 98 is fixedly connected between the surface of the connecting base 91 and the surface of the passive pressure plate 93. The shaft 94 passes through the bottom end of the inner spiral groove fixing sleeve 92. The ion air bar 95 at the top end of the shaft 94 on the passive pressure plate 93 is in a state close to the vacuum nozzle 6. When the connector 4 moves downward, it squeezes the passive pressure plate 93 through the pressure rod 97, and the ion air bar 95 also moves downward accordingly, thereby achieving the effect of always adhering to the vacuum nozzle 6 and achieving the effect of adaptively removing static electricity from the diaphragm of the vacuum nozzle 6 during the adsorption process.

[0037] Reference Figure 5The inner spiral groove fixing sleeve 92 has a spiral groove inside, and the ball bearing 96 is slidably connected in the spiral groove. By setting the limiting sliding of the ball bearing 96 in the spiral groove, the shaft 94 rotates while descending in the inner spiral groove fixing sleeve 92, and then transmits the rotational force to the ion wind bar 95 to achieve comprehensive static removal on the diaphragm surface.

[0038] Working principle: The feeding platform 1 is arranged in a circular pattern with a feeding area, an anti-sticking area, an anti-static area, and a pressing machine feeding area. The anti-sticking device 8 is located in the anti-sticking area, and the anti-static device 9 is located in the anti-static area. First, the active motor 32 drives the connecting frame 34 on the telescopic connecting rod 33 to rotate the connecting piece 4 and the vacuum nozzle 6 together to the feeding area. Then, the electric push rod 35 drives the connecting frame 34 on the connecting rod 36 to press down. At this time, the telescopic connecting rod 33 is in a compressed state. After pressing down, the connecting frame 34 drives the vacuum nozzle 6 on the connecting piece 4 to automatically adsorb the diaphragm accumulated on the feeding area. The vacuum nozzle 6 is connected to a suction tube and a mechanism to control vacuum adsorption, thus completing the automatic adsorption and feeding work. Then, the electric push rod 35 drives the connecting frame 34 to rotate the connecting frame 34 to rotate the vacuum nozzle 6 to rotate the vacuum nozzle ... The entire assembly is reset upwards. After the reset, the connecting frame 34 is rotated by the active motor 32 to the anti-sticking zone. The electric push rod 35 is then controlled to lift and lower the assembly. During the downward movement of the vacuum nozzle 6 via the mounting head 5 and telescopic rod 7, the protruding extension plate 10 on the vacuum nozzle 6 contacts and impacts multiple collision blocks 84. The impact generates vibration, resulting in the overall shaking effect of the vacuum nozzle 6. Since the individual diaphragm is in a relatively stable state due to the adsorption effect of the vacuum nozzle 6, the sticky diaphragms at the bottom caused by various factors will be automatically discharged due to the shaking force and then discharged from the receiving guide plate 82, thereby achieving the effect of automatic shaking and separation of multiple sticky diaphragms.

[0039] After the separation process is completed, the vacuum nozzle 6 is rotated again by the active motor 32 to the static elimination zone. At this time, the electric push rod 35 is controlled again to drive the connecting piece 4 to move up and down. During the downward movement, the connecting piece 4 is pressed against the passive pressure plate 93 by the pressure rod 97. The ion air bar 95 at the top of the shaft 94 on the passive pressure plate 93 is close to the vacuum nozzle 6. The ion air bar 95 is externally powered, which is existing technology. The ion air bar 95 is an electronic product that uses high voltage to generate an electrostatic field to guide the surrounding air ions to produce an instantaneous burst discharge, releasing a large number of negative oxygen ions. It can quickly eliminate static electricity on the surface of the workpiece and prevent dust. Impurity adsorption occurs when the passive pressure plate 93 moves downward, causing the ion air bar 95 to move downward as well, thus ensuring constant contact with the vacuum nozzle 6. This achieves adaptive destatication of the diaphragm during the adsorption process of the vacuum nozzle 6. Simultaneously, as the upper shaft 94 of the ion air bar 95 moves downward within the inner spiral groove fixing sleeve 92, the bearings 96 on the shaft 94 are limited by the spiral groove within the inner spiral groove fixing sleeve 92, causing the shaft 94 to rotate accordingly during its descent. This, in turn, synchronously drives the ion air bar 95 to rotate and destaticate, ensuring thorough destatication of the circular diaphragm surface.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automatic diaphragm pressing and feeding device, comprising a feeding platform (1), characterized in that: The feeding platform (1) is fixedly installed with a base (2), the base (2) is provided with a transfer device (3), the transfer device (3) is provided with a connector (4), the connector (4) is fixedly connected with an installation head (5), the installation head (5) is elastically connected with a vacuum nozzle (6) by a spring, the end of the vacuum nozzle (6) and the end of the installation head (5) are fixedly connected with a telescopic rod (7), the transfer device (3) is provided with an anti-sticking device (8) and an anti-static device (9), the anti-sticking device (8) is used to contact and collide with the vacuum nozzle (6) during the transfer, and the anti-static device (9) is used to rotate the diaphragm adsorbed on the vacuum nozzle (6) to remove static electricity.

2. The automatic diaphragm pressing and feeding device according to claim 1, characterized in that: The material transfer device (3) includes a control base (31) and an electric push rod (35). The bottom end of the control base (31) is fixedly installed on the loading platform (1). An active motor (32) is fixedly connected inside the control base (31). The output shaft of the active motor (32) is fixedly connected to a telescopic connecting rod (33). The telescopic end of the telescopic connecting rod (33) is fixedly connected to a connecting frame (34). The output shaft of the electric push rod (35) is fixedly connected to a connecting rod (36).

3. The automatic diaphragm pressing and feeding device according to claim 2, characterized in that: The connector (4) is fixedly connected to the connecting frame (34), the surface of the telescopic connecting rod (33) is movably connected to the top of the control base (31), the connecting frame (34) is rotatably connected to the bottom end of the connecting rod (36), and the end of the electric push rod (35) is fixedly installed on the base (2).

4. The automatic diaphragm pressing and feeding device according to claim 1, characterized in that: The anti-sticking device (8) includes a fixed base (81), the bottom of which is fixedly connected to the loading platform (1). A receiving guide plate (82) and a limiting frame (83) are fixedly connected to the fixed base (81). A collision block (84) is elastically connected inside the limiting frame (83) through a torsion spring.

5. The automatic diaphragm pressing and feeding device according to claim 4, characterized in that: An extension plate (10) is fixedly connected to the vacuum nozzle (6). The extension plate (10) is used to contact and collide with the collision block (84). The number of collision blocks (84) is set to multiple, and the multiple collision blocks (84) are arranged in a linear array on the limiting frame (83).

6. The automatic diaphragm pressing and feeding device according to claim 1, characterized in that: The antistatic device (9) includes a connecting base (91), the surface of which is fixedly connected to the surface of the control base (31), an inner spiral groove fixing sleeve (92) is fixedly connected to the connecting base (91), a passive pressure plate (93) is elastically connected to the surface of the connecting base (91) by a spring, a shaft (94) is rotatably connected to the passive pressure plate (93), an ion wind bar (95) is fixedly connected to the top of the shaft (94), and a ball bearing (96) is fixedly connected to the surface of the shaft (94).

7. The automatic diaphragm pressing and feeding device according to claim 6, characterized in that: The antistatic device (9) also includes a pressure rod (97), the top end of which is fixedly connected to the connector (4), and a telescopic guide rod (98) is fixedly connected between the surface of the connecting base (91) and the surface of the passive pressure plate (93). The shaft (94) passes through the bottom end of the inner spiral groove fixing sleeve (92).

8. The automatic diaphragm pressing and feeding device according to claim 7, characterized in that: The inner spiral groove fixing sleeve (92) has a spiral groove inside, and the ball (96) slides in the spiral groove.

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