Automatic dispensing device for voice diaphragm
By using the suction cup and drive unit of the automatic dispensing device in conjunction with the pulley structure, the problem of positional deviation during the diaphragm dispensing process is solved, achieving precise dispensing and improving sound quality and service life.
Patent Information
- Application Number
- CN202520177890.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-05
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-05
AI Technical Summary
In the existing diaphragm coating process, diaphragm position deviation causes adhesive displacement, affecting adhesion and sound quality.
An automatic dispensing device is used, which fixes the diaphragm with a suction cup and uses a drive unit to control the glue applicator to apply glue in a circular motion. The combination of pulleys and springs ensures that the diaphragm is positioned accurately, thus achieving precise glue application.
It improves the efficiency and effectiveness of diaphragm coating, ensures precise diaphragm positioning, and enhances sound quality and speaker lifespan.
Smart Images

Figure CN223847343U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of sound film production, specifically relates to a sound film automatic dispensing device. BACKGROUND
[0002] Sound film is often made of elastic material and is one of important parts in loudspeaker, mainly produces vibration under the action of electromagnetic force, thereby producing sound.
[0003] The material and design style of sound film can affect the sound quality of loudspeaker, and sound film and voice coil are often bonded by glue during sound film production, and high-quality bonding effect can improve sound quality and prolong the service life of loudspeaker.
[0004] During the gluing process of sound film, the sound film is often placed in a specified area, and the glue is coated in a ring shape on the surface of the sound film by using a glue gun, since the placement position of the sound film needs to have high coincidence with the specified area, if the sound film deviates, the glue will deviate, thereby affecting the bonding effect of the sound film, and causing the sound quality of the sound film to be different. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the above problems existing in the prior art.
[0006] In order to achieve the above purpose, the utility model can be realized by the following technical scheme: an automatic dispensing device for sound film, comprising:
[0007] A bottom plate is provided with a sliding plate, the sliding plate is provided with a suction cup, the suction cup is provided with a vacuum area, and the vacuum area is provided with a fitting part;
[0008] A driving unit is arranged on the bottom plate, and the driving unit is provided with a glue applicator matched with the suction cup;
[0009] An adjusting unit is arranged on the bottom plate, and the adjusting unit comprises a clamping plate, a limiting plate and a sliding block symmetrically arranged on the clamping plate, a third spring arranged on the limiting plate pushes the sliding block, and a pulley arranged on the sliding block is in contact with the fitting part.
[0010] In the embodiment of the utility model, the adjusting unit further comprises a support arranged on the bottom plate, the support is provided with a connecting plate, the clamping plate is connected to the connecting plate, and the connecting plate is higher than the suction cup.
[0011] In the embodiment of the utility model, the clamping plate is provided with a sliding groove, and the limiting plate and the sliding block are arranged in the sliding groove.
[0012] The utility model discloses a slide plate is provided with the clamping groove, the support plate is connected in the clamping groove, and the sucking disc is connected on the support plate.
[0013] The utility model discloses a sucking disc has a vacuum runner, be provided with the adjusting rod on the vacuum runner, be provided with rubber ring on the adjusting rod.
[0014] The utility model discloses a clamping groove is provided with friction block and clamping block respectively, friction block and clamping block all are with support plate cooperation, and first spring is arranged between clamping block and slide plate.
[0015] The utility model discloses a slide plate is provided with the clamping groove, the support plate is connected in the clamping groove, and the sucking disc is connected on the support plate.
[0016] The bottom plate is provided with the touch switch that is matched with the touch rod.
[0017] The utility model discloses a sucking disc has a vacuum runner, be provided with the adjusting rod on the vacuum runner, be provided with rubber ring on the adjusting rod.
[0018] The utility model discloses a drive unit includes first transmission part, second transmission part and third transmission part, first transmission part and second transmission part control the movement of the rubber coating machine horizontal direction, and third transmission part control the movement of the rubber coating machine vertical direction.
[0019] The utility model discloses a bottom plate is provided with pneumatic cylinder, and the output of pneumatic cylinder is clamped with slide plate.
[0020] Compared with prior art, the sound film is placed on the sucking disc, then the slide plate is slid to the rubber coating machine directly below, the rubber coating machine is controlled by the drive unit to coat the sound film in a circle, so as to improve the efficiency of rubber coating, and in the process of sliding, the pulley is in contact with the fitting part under the pushing action of the third spring, so as to touch the sound film sliding into the vacuum area, and make it be located at the axis of the sucking disc, so that the position of the sound film is more accurate, and the rubber coating effect of the sound film is improved. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is the overall structure schematic diagram of the general structure schematic diagram of the explosion division of the adjusting unit on the bottom plate.
[0022] Figure 2 It is the overall structure schematic diagram of the explosion division of the adjusting unit on the bottom plate.
[0023] Figure 3 It is Figure 2 The enlarged view of A part in figure 5.
[0024] Figure 4 This is a schematic diagram of the exploded structure of the parts on the clamping plate;
[0025] Figure 5 This is a half-section plan view of the suction cup;
[0026] Figure 6 This is a schematic diagram of the assembly structure of the drive unit and the glue applicator;
[0027] Figure 7 This is a schematic diagram of the overall layout.
[0028] Explanation of reference numerals in the attached figures:
[0029] 1. Base plate; 12. Touch switch; 13. Slide plate; 131. Clamping groove; 132. Rubber disc; 133. Clamping block; 134. First spring; 135. Friction block; 14. Sleeve; 15. Touch rod; 16. Second spring; 17. Cylinder; 2. Drive unit; 21. First transmission component; 211. First motor; 212. Support block; 213. Screw; 22. Second transmission component; 221. Slide rail; 222. Second motor; 23. Third transmission component Components; 231, slide rail; 232, third motor; 3, glue applicator; 4, adjustment unit; 41, bracket; 42, connecting plate; 43, clamping plate; 431, limiting plate; 432, slide groove; 433, third spring; 434, slider; 435, rotating rod; 436, pulley; 5, support plate; 52, suction cup; 521, bonding part; 522, vacuum zone; 5220, first hole; 5221, second hole; 5222, third hole; 53, adjustment rod. Detailed Implementation
[0030] The following are specific embodiments of the present invention, and the technical solution of the present invention will be further described in conjunction with the accompanying drawings.
[0031] like Figures 1-7 As shown, an automatic adhesive dispensing device for sound diaphragms includes:
[0032] The base plate 1 has a sliding plate 13, a suction cup 52, a vacuum area 522, and an adhesive part 521.
[0033] Drive unit 2 is mounted on base plate 1 and is equipped with glue applicator 3 that cooperates with suction cup 52.
[0034] Adjustment unit 4 is disposed on base plate 1 and includes a clamping plate 43 and a limiting plate 431 and a slider 434 respectively symmetrically disposed on the clamping plate 43. The limiting plate 431 is provided with a third spring 433 that pushes the slider 434, and the slider 434 is provided with a pulley 436 that contacts the fitting part 521.
[0035] Specifically, the guide rail is arranged on the bottom plate 1, and the sliding plate 13 is arranged on the guide rail, and the sliding plate 13 is controlled to slide on the guide rail by the air cylinder 17, so that the suction cup 52 on the sliding plate 13 is close to or away from the glue applicator 3, and during the glue applying process, the diaphragm is placed on the vacuum area 522 for fixation, the sliding plate 13 is controlled to move towards the glue applicator 3 by the air cylinder 17, so that the suction cup 52 is fixed directly below the glue applicator 3, and the glue applicator 3 is controlled by the driving unit 2 to apply glue to the diaphragm, so that the glue is coated in a circular ring shape on the upper surface of the diaphragm, thereby improving the glue applying efficiency of the diaphragm, and during the sliding process of the sliding plate 13, the abutting portion 521 of the suction cup 52 is always in contact with the pulley 436 due to the elastic pushing of the third spring 433, so that the diaphragm placed on the suction cup 52 is pushed by the pulley 436 to move towards the vacuum area 522, so that the axis of the diaphragm and the axis of the suction cup 52 maintain a certain concentric interval, thereby improving the glue applying effect of the diaphragm, and further, the two pulleys 436 maintain a certain interval, and a layer of rubber is sleeved on the outer surface of the pulley 436, so as to reduce the damage to the diaphragm, and since the diaphragm is thin and is prone to form a small misalignment with the suction cup 52 during placement, the pulley 436 is used to push the diaphragm back to the vacuum area 522, so that the glue applying position of each diaphragm is consistent.
[0036] As further provided in the embodiments of the utility model, the adjusting unit 4 further comprises a support 41 arranged on the bottom plate 1, the support 41 is provided with a connecting plate 42, a clamping plate 43 is clamped on the connecting plate 42, the connecting plate 42 is higher than the suction cup 52, the support 41 is provided with two groups of connecting plates 42 arranged on the bottom plate 1 and supporting the connecting plate 42, and the connecting plate 42 is symmetrically provided with a clamping groove, and the clamping plate 43 is clamped in the clamping groove.
[0037] As further provided in the embodiments of the utility model, the clamping plate 43 is provided with a sliding groove 432, the limiting plate 431 and the sliding block 434 are arranged in the sliding groove 432, two groups of pulleys 436 are arranged on one clamping plate 43, and the two pulleys 436 slide towards each other under the pushing of the third spring 433, but the two pulleys 436 maintain a certain interval, and further, a rotating rod 435 is arranged at the axis of the pulley 436, the rotating rod 435 is clamped with the bearing on the sliding block 434, so as to improve the rotating stability of the pulley 436, and the limiting plate 431 can be adjusted in the sliding groove 432, so as to improve or weaken the elastic force of the third spring 433.
[0038] As the further provided embodiment of the utility model, the clamping groove 131 is set on the slide plate 13, the support plate 5 is clamped in the clamping groove 131, the suction cup 52 is clamped on the support plate 5, the pipe joint is set on the bottom of the slide plate 13 to connect the vacuum tube, the vacuum pump is connected through the vacuum tube, the rubber disc 132 is set on the slide plate 13, the vacuum of the slide plate 13 is communicated with the vacuum hole of the support plate 5 through the rubber disc 132, and the sealing property of the linkage slide plate 13 and the support plate 5 is also ensured, and the suction cup 52 is in interference fit on the support plate 5.
[0039] As the further provided embodiment of the utility model, the suction cup 52 has a vacuum flow channel, the adjusting rod 53 is set on the vacuum flow channel, the rubber ring is set on the adjusting rod 53, as shown in the figure, Figure 5 When the adjusting rod 53 is deeply inserted into the vacuum flow channel, the adjusting rod 53 can preseal the first hole position 5220, so that the second hole position 5221 and the third hole position 5222 are vacuumed, and the first hole position 5220 and the second hole position 5221 can also be sealed at the same time, and then the suction cup 52 can adapt to different specifications of the sound film.
[0040] As the further provided embodiment of the utility model, the friction block 135 and the clamping block 133 are respectively set in the clamping groove 131, the friction block 135 and the clamping block 133 are matched with the support plate 5, the first spring 134 is set between the clamping block 133 and the slide plate 13, the friction block 135 and the clamping block 133 are matched with the outer wall of the support plate 5 to improve the clamping and fixing effect of the support plate 5, and the abutting effect of the first spring 134 makes the clamping block 133 always match the support plate 5 in the static state, and the support plate 5 can be separated from the slide plate 13 in the direction of the clamping block 133.
[0041] As the further provided embodiment of the utility model, the sleeve 14 is clamped on the slide plate 13, the touch rod 15 is slidably arranged in the sleeve 14, the second spring 16 is arranged between the touch rod 15 and the sleeve 14, the touch switch 12 matched with the touch rod 15 is arranged on the bottom plate 1, when the slide plate 13 slides close to the driving unit 2, the touch rod 15 contacts the touch switch 12 at this time, with the distance between the slide plate 13 and the driving unit 2 becoming shorter, so that the extrusion force of the second spring 16 acting on the touch rod 15 is also greater, when the pressure of the touch rod 15 acting on the contact switch reaches a certain value, the driving unit 2 starts the slide plate 13 to stop sliding, so that the rubber coating device 3 coats the sound film, further, the second spring 16 also has a certain buffering effect, preventing the slide plate 13 from colliding with the driving unit 2.
[0042] As a further embodiment of this utility model, the suction cup 52 is provided with a first hole 5220, a second hole 5221 and a third hole 5222 in sequence. The first hole 5220, the second hole 5221 and the third hole 5222 are located on the vacuum zone 522. The first hole 5220, the second hole 5221 and the third hole 5222 are arranged in a circular array around the axis of the suction cup 52. At least three sets of the three holes are provided to improve the fixing effect on the diaphragm.
[0043] As a further embodiment provided in this utility model, the driving unit 2 includes a first transmission member 21, a second transmission member 22, and a third transmission member 23. The first transmission member 21 and the second transmission member 22 control the horizontal movement of the glue applicator 3, while the third transmission member 23 controls the vertical movement of the glue applicator 3. A coordinate system (e.g., ...) is constructed on one side of the driving unit 2. Figure 6 As shown in the diagram, the coordinate system is divided into X-axis, Y-axis, and Z-axis. The first transmission component 21 controls the glue applicator 3 to move along the Y-axis, the second transmission component 22 controls the glue applicator 3 to move along the X-axis, and the third transmission component 23 controls the glue applicator 3 to move along the Z-axis. When the diaphragm is being coated with glue, the third transmission component 23 controls the glue applicator 3 to approach the diaphragm, and the first and second transmission components 21 control the glue applicator 3 to apply glue to the diaphragm in a circular motion, thereby improving the glue application efficiency. Furthermore, the first transmission component 21 includes a first motor 211, a support block 212, and a screw 213. The screw 213 is rotatably connected to the base plate 1, and the support block 212 is located on the output end of the first motor 211 to control the support block 212 to slide on the screw 213. The second transmission component 22 includes a slide rail 221 and a second motor 222 disposed on the slide rail 221. The second motor 222 controls the third transmission component 23 to slide along the slide rail 221. The third transmission component 23 includes a slide rail 231 and a third motor 232 disposed on the slide rail 231. The glue applicator 3 is fixed on the slide rail 231, and the third motor 232 controls the glue applicator 3 to slide along the slide rail 231.
[0044] As a further embodiment of this utility model, a cylinder 17 is provided on the base plate 1. The output end of the cylinder 17 engages with the slide plate 13. The cylinder 17 is located at the bottom of the base plate 1 and is used to control the slide plate 13 to move closer to or away from the drive unit 2.
[0045] The above-described technical solution of this utility model addresses the problem that existing technical solutions are too simplistic and provides a solution that is significantly different from existing technologies. The parts not covered in this application's technical solution are the same as or can be implemented using existing technologies, and will not be described in detail here.
[0046] The technical solutions in the above embodiments have clearly and completely described the content of the utility model. Apparently, the described embodiments are only some embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
Claims
1. An automatic sound film dispensing device, characterized in that, Including: The bottom plate is provided with a sliding plate, the sliding plate is provided with a suction cup, the suction cup is provided with a vacuum area, and the vacuum area is provided with a fitting part; The driving unit is provided on the bottom plate, and the driving unit is provided with a glue applicator matched with the suction cup; The adjusting unit is provided on the bottom plate, and the adjusting unit comprises a clamping plate, a limiting plate and a sliding block symmetrically arranged on the clamping plate, a third spring arranged on the limiting plate for pushing the sliding block, and a pulley arranged on the sliding block and in contact with the fitting part.
2. The automatic dispensing device according to claim 1, wherein, The adjusting unit further comprises a bracket provided on the bottom plate, the bracket is provided with a connecting plate, the clamping plate is clamped on the connecting plate, and the connecting plate is higher than the suction cup.
3. The automatic diaphragm dispensing device according to claim 1, wherein, The clamping plate is provided with a sliding groove, and the limiting plate and the sliding block are arranged in the sliding groove.
4. The automatic diaphragm dispensing device according to claim 1, wherein, The sliding plate is provided with a clamping groove, the clamping groove is clamped with a supporting plate, and the suction cup is clamped on the supporting plate.
5. The automatic diaphragm dispensing device according to claim 4, wherein, The suction cup has a vacuum flow channel, the vacuum flow channel is provided with an adjusting rod, and the adjusting rod is provided with a rubber ring.
6. The automatic diaphragm dispensing device according to claim 4, wherein, The clamping groove is respectively provided with a friction block and a clamping block, the friction block and the clamping block are matched with the supporting plate, and the clamping block is provided with a first spring between the clamping block and the sliding plate.
7. The automatic diaphragm dispensing device according to claim 1, wherein, The sliding plate is clamped with a sleeve, the sleeve is slidably provided with a touch rod, and the touch rod is provided with a second spring between the touch rod and the sleeve. The bottom plate is provided with a touch switch matched with the touch rod.
8. The automatic diaphragm dispensing device according to claim 1, wherein, The suction cup is sequentially provided with a first hole, a second hole and a third hole, and the first hole, the second hole and the third hole are located on the vacuum area.
9. The automatic diaphragm dispensing device according to claim 1, wherein, The driving unit comprises a first transmission member, a second transmission member and a third transmission member, the first transmission member and the second transmission member control the horizontal movement of the glue applicator, and the third transmission member controls the vertical movement of the glue applicator.
10. The automatic diaphragm dispensing device according to claim 1, wherein, The bottom plate is provided with a cylinder, and the output end of the cylinder is clamped with the sliding plate.