Platform for adjusting distance between nylon rod and voice coil of loudspeaker

Abstract

The utility model relates to the field of automatic production lines of loudspeakers, and discloses a platform for adjusting the distance between a loudspeaker nylon rod and a voice coil, which comprises two module supports and two adjusting clamps, the two module supports are used for being installed on equipment, a voice coil nylon rod assembly is installed at the top of each adjusting clamp, and the voice coil nylon rod assembly is used for adjusting the distance between the loudspeaker nylon rod and the voice coil. Conveying X-axis modules are installed on the tops of the two module supports, first servo motors are installed in the module supports, drag chains are connected between control boxes in the module supports and the conveying X-axis modules, the adjusting clamps comprise bottom plates and sliding grooves, the bottom plates are installed on transmission blocks of the conveying X-axis modules, and the sliding grooves are formed in the bottom plates. An adjusting module and a second servo motor are installed in the bottom plate, and a first sliding block is movably installed in the sliding groove. The size tolerance of supplied materials can be absorbed, so that the distance between the nylon rod and the voice coil is kept at a high-precision fixed value, the phenomenon that cotton silk threads are snapped when a fixed clamping jaw of the nylon rod moves rightwards is avoided, and the reject ratio is reduced.

Description

Technical Field

[0001] The utility model relates to the field of automatic speaker production lines, in particular to a platform for adjusting the distance between a speaker nylon rod and a voice coil. Background Art

[0002] A speaker is a device that converts electrical signals into sound signals. During the production process, the nylon rod and voice coil need to be adjusted and assembled to complete automated production.

[0003] Publication number CN216706222U provides an automatic speaker production line, including a first unit, a second unit and a third unit arranged in sequence, and the first unit, the second unit and the third unit are respectively provided with protective covers of the same size.

[0004] Since speaker dampers and voice coils are key components that affect speaker sound quality, the quality and consistency of existing speaker assembly products largely depend on operator proficiency, resulting in low production efficiency. This makes it difficult to meet the 3.8S CT requirement for mass production, and product changeover time is long.

[0005] Due to the large dimensional tolerance of the spacing between the incoming nylon rods and voice coils, the existing adjustment mechanism often breaks the nylon rods, resulting in an increased defective rate. Utility Model Content

[0006] The purpose of the utility model is to provide a platform for adjusting the distance between a loudspeaker nylon rod and a voice coil, so as to solve the technical problems in the background technology.

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] A platform for adjusting the distance between a speaker nylon rod and a voice coil comprises two module brackets and two adjustment fixtures. The two groups of module brackets are used to be installed on equipment. A voice coil nylon rod assembly is installed on the top of the adjustment fixture. A transmission X-axis module is installed on the top of both groups of module brackets. A first servo motor is installed inside the module bracket. A drag chain is connected between the control box inside the module bracket and the transmission X-axis module.

[0009] The top of the sliding panel also is provided with an interlocking structure, and the interlocking structure is fixed with a toothed structure, and the toothed structure is connected with the toothed structure to form a round shank and a gear. The two teeth of the sliding panel are connected. When the toothed structure is in a state of being out of the way of each other, the two teeth of the sliding panel are connected.

[0010] Preferably, the transmission block at the top of the transmission X-axis module is fixedly installed with the bottom plate, and the bottom plate is located on the top of the transmission X-axis module and is slidably arranged.

[0011] Preferably, the two groups of module brackets are symmetrically arranged, and the connecting block is fixedly connected to the first sliding block.

[0012] Preferably, the two lockers are located on both sides of the slide groove and are movably rotatable, and the lockers are threadedly connected to the base plate.

[0013] Preferably, the voice coil nylon rod assembly consists of a voice coil, a spring, and a nylon rod, and the pitch gauge tensioner is fixed inside the slide groove.

[0014] Preferably, the gauge tensioner is used to fix the gauge, and the fixing clamp is used to fix the nylon rod.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] By setting up the adjustment fixture, the first slider moves to the right first, pulling the nylon rod so that the two sides of the cotton threads and the center of the gauge tensioner are in a relatively symmetrical position. This step mainly adjusts the angle of the voice coil elastic wave assembly relative to the center of the fixture. The second slider moves to the left relative to the first slip ring mainly to absorb the dimensional tolerance of the incoming material and prevent it from being pulled apart. After completing the above steps, the module drives the first slider to move to the left to a fixed position. At this time, the spring of the second slider is in a reset state, and the distance between the center of the gauge tensioner and the nylon rod is maintained at a fixed and precise value, which is convenient for the subsequent assembly arm to clamp and assemble. It can absorb the dimensional tolerance of the incoming material and keep the distance between the nylon rod and the voice coil at a high-precision fixed value, avoiding the nylon rod's fixed clamping claw from pulling the cotton thread apart when moving to the right, thereby reducing the defective rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a platform for adjusting the distance between a loudspeaker nylon rod and a voice coil in an embodiment of the present utility model;

[0018] Figure 2 This is a structural diagram of the bottom plate in an embodiment of the present utility model;

[0019] Figure 3 This is a cross-sectional side view of the bottom plate in an embodiment of the present utility model;

[0020] Figure 4 This is a structural diagram of the chute in the embodiment of the utility model;

[0021] Figure 5 This is a schematic diagram of the back structure of the chute in the embodiment of the utility model;

[0022] Figure 6 This is a right side cross-sectional view of the chute in the embodiment of the present utility model;

[0023] Figure 7 It is a cross-sectional side view of the slideway in the embodiment of the present invention.

[0024] In the figure: 910, voice coil nylon rod assembly; 920, module bracket; 930, transmission X-axis module; 940, drag chain; 950, first servo motor; 960, adjustment fixture; 9601, through-beam sensor; 9602, sensor bracket; 9603, locker; 9604, connecting block; 9605, adjustment module; 9606, second servo motor; 9607, base plate; 9608, slide; 9609, first slider; 9610, second slider; 9611, tension spring; 9612, fixed clamp; 9613, cam follower; 9614, positioning pin; 9615, pitch gauge tensioner; 9616, clamping spring; 9617, shaft pin; 9618, self-lubricating wear-resistant plate; 9619, compression spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Example 1

[0027] Combine Figure 1-Figure 7A platform for adjusting the distance between a speaker nylon rod and a voice coil includes two module brackets 920 and two adjustment fixtures 960. The two sets of module brackets 920 are used to be installed on the equipment. The voice coil nylon rod assembly 910 is installed on the top of the adjustment fixture 960. A transmission X-axis module 930 is installed on the top of the two sets of module brackets 920. A first servo motor 950 is installed inside the module bracket 920. A drag chain 940 is connected between the control box inside the module bracket 920 and the transmission X-axis module 930.

[0028] See Figure 2-Figure 7 , it is further obtained that the adjustment fixture 960 includes a base plate 9607 and a slide 9608, the base plate 9607 is installed on the transmission block of the transmission X-axis module 930, the adjustment module 9605 and the second servo motor 9606 are installed inside the base plate 9607, the first slider 9609 is movably installed inside the slide 9608, a connecting block 9604 is fixedly installed between the first slider 9609 and the transmission block of the adjustment module 9605, and a locker 9603 is installed on both sides of the slide 9608. A sensor bracket 9602 is installed on one side of the top of the base plate 9607, and a beam sensor 9601 is installed on the top of the sensor bracket 9602. A second slider 9610 is installed on the left side of 609, and a tension spring 9611 is connected between the second slider 9610 and the first slider 9609. A fixed clamp 9612 is installed on the top of the second slider 9610, and a cam follower 9613 is installed between the connecting block 9604 and the first slider 9609. An axle pin 9617 is installed on the left side of the fixed clamp 9612, and a clamping spring 9616 is installed on the left side of the axle pin 9617. A gauge tensioner 9615 is installed inside the slide groove 9608, and self-lubricating wear-resistant plates 9618 are movably installed on both sides of the interior of the slide groove 9608, and a compression spring 9619 is installed at the bottom of the self-lubricating wear-resistant plate 9618.

[0029] The top transmission block of the transmission X-axis module 930 is fixedly installed with the base plate 9607. The base plate 9607 is located on the top of the transmission X-axis module 930 and is slidingly set. The transmission of the transmission X-axis module 930 causes the base plate 9607 to slide for loading and unloading and assembly.

[0030] The two groups of module brackets 920 are symmetrically arranged, the connecting block 9604 is fixedly connected to the first slider 9609, and the connecting block 9604 is fixedly connected to the transmission block of the adjustment module 9605. The corresponding transmission block is driven by the adjustment module 9605 to make the connecting block 9604 slide.

[0031] The two lockers 9603 are located on both sides of the slide 9608 and are movably rotated. The lockers 9603 are threadedly connected to the base plate 9607. The lockers 9603 are used to fix the slide 9608 and are fixed by threading the base plate 9607.

[0032] The voice coil nylon rod assembly 910 consists of a voice coil, a spring, and a nylon rod. The tone gauge tensioner 9615 is fixed inside the slide groove 9608. The voice coil nylon rod assembly 910 is installed on the tone gauge tensioner 9615. The beam sensor 9601 is used to detect materials.

[0033] The gauge tensioner 9615 is used to fix the gauge, and the fixed clamp 9612 is used to fix the nylon rod. By moving the transmission block of the adjustment module 9605 to the right, the cotton thread is tensioned to make the cotton thread symmetrical and facilitate subsequent workstation assembly.

[0034] Specifically, the first slider 9609 is driven to move by the adjustment module 9605 to adjust the distance between the nylon rod and the voice coil. The adjustment fixture 960 can be quickly replaced according to the product model, and the fixture can be quickly removed by rotating the knob of the locker 9603.

[0035] During actual operation, when the transmission block of the X-axis module 930 drives the bottom plate 9607 to move to the right side, it is the loading position; when it moves to the left side, it is the assembly robot grasping position. By adjusting the bottom plate 9607 platform through the two sets of module brackets 920, the waiting of the loading and unloading robots can be avoided. When the bottom plate 9607 moves to the right side, the voice coil nylon rod assembly 910 is placed on the adjustment fixture 960 by the robot of the previous station, the sound gauge is fixed on the sound gauge tensioner 9615, and the nylon rod is fixed on the fixed clamp 9612. After the through-beam sensor 9601 detects the presence of material, the transmission block of the adjustment module 9605 is moved to the right side to tension the cotton thread. This is to make the cotton thread symmetrical and facilitate the subsequent assembly of the station.

[0036] During the tensioning process, due to the large dimensional tolerance between the nylon rod and the voice coil, the second slider 9610 can move leftward relative to the first slider 9609 when the first slider 9609 moves rightward by stretching the spring 9611, thereby absorbing the dimensional tolerance of the incoming material.

[0037] After the first slider 9609 moves to a fixed position on the right, the adjustment module 9605 drives the first slider 9609 to move a fixed distance to the left again. In this way, the distance between the nylon rod and the voice coil is a high-precision fixed value, and the cotton thread is centered relative to the clamp, preventing the cotton thread from being broken when the fixed clamp 9612 of the nylon rod moves to the right.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A platform for adjusting the distance between a loudspeaker nylon rod and a voice coil, comprising two module brackets (920) and two adjustment fixtures (960), wherein the two sets of module brackets (920) are used to be mounted on a device, and a voice coil nylon rod assembly (910) is mounted on the top of the adjustment fixture (960), characterized in that: A transmission X-axis module (930) is installed on the top of the two groups of module brackets (920), a first servo motor (950) is installed inside the module bracket (920), and a drag chain (940) is connected between the control box inside the module bracket (920) and the transmission X-axis module (930); The adjustment fixture (960) includes a base plate (9607) and a slide groove (9608), the base plate (9607) is installed on the transmission block of the transmission X-axis module (930), the adjustment module (9605) and the second servo motor (9606) are installed inside the base plate (9607), the first slider (9609) is movably installed inside the slide groove (9608), a connecting block (9604) is fixedly installed between the first slider (9609) and the transmission block of the adjustment module (9605), a locking device (9603) is installed on both sides of the slide groove (9608), a sensor bracket (9602) is installed on one side of the top of the base plate (9607), a corresponding sensor (9601) is installed on the top of the first slider (960 9) is installed on the left side of the second slider (9610), a tension spring (9611) is connected between the second slider (9610) and the first slider (9609), a fixed clamping claw (9612) is installed on the top of the second slider (9610), a cam follower (9613) is installed between the connecting block (9604) and the first slider (9609), an axle pin (9617) is installed on the left side of the fixed clamping claw (9612), a clamping spring (9616) is installed on the left side of the axle pin (9617), a gauge tensioner (9615) is installed inside the slide groove (9608), self-lubricating wear-resistant plates (9618) are movably installed on both sides of the interior of the slide groove (9608), and a compression spring (9619) is installed at the bottom of the self-lubricating wear-resistant plate (9618).

2. The platform for adjusting the distance between a loudspeaker nylon rod and a voice coil according to claim 1, characterized in that: The top transmission block of the transmission X-axis module (930) and the bottom plate (9607) are fixedly installed, and the bottom plate (9607) is located on the top of the transmission X-axis module (930) and is slidably installed.

3. The platform for adjusting the distance between a loudspeaker nylon rod and a voice coil according to claim 1, characterized in that: The two groups of module brackets (920) are symmetrically arranged, and the connecting block (9604) and the first sliding block (9609) are fixedly connected.

4. The platform for adjusting the distance between a loudspeaker nylon rod and a voice coil according to claim 1, characterized in that: The two lockers (9603) are located on both sides of the slide groove (9608) and are movably rotatable. The lockers (9603) are threadedly connected to the bottom plate (9607).

5. The platform for adjusting the distance between a loudspeaker nylon rod and a voice coil according to claim 1, characterized in that: The voice coil nylon rod assembly (910) is composed of a voice coil, a spring, and a nylon rod, and the pitch gauge tensioner (9615) is fixed inside the slide groove (9608).

6. The platform for adjusting the distance between a loudspeaker nylon rod and a voice coil according to claim 5, characterized in that: The gauge tensioner (9615) is used for fixing the gauge, and the fixing clamp (9612) is used for fixing the nylon rod.

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