Glue injection device for loudspeaker production

Abstract

The utility model relates to the field of loudspeaker manufacturing, in particular to a glue injection device for loudspeaker production, which comprises a supporting block, a supporting seat is arranged on the rear side of the supporting block, a liquid storage tank is mounted in the middle of the supporting seat, an infusion pump is mounted at the top of the liquid storage tank, and a liquid outlet end of the infusion pump is connected with one end of an infusion tube. And the other end of the liquid conveying pipe is connected with a glue injection head, a rotating disc is rotationally installed in the center of the supporting block, a driving motor is installed in the supporting block, and an output shaft of the driving motor is connected with the rotating disc. Through cooperation of the supporting frame, the rotating shaft, the fixing plate, the worm gear, the supporting plate and the worm, the angle of the fixing plate can be flexibly adjusted, the problem that a traditional glue injection device can only adapt to loudspeakers of a single size is effectively solved, and the applicability and the working efficiency of equipment are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to loudspeaker manufacturing field especially relates to a glue injection device for loudspeaker production. BACKGROUND

[0002] The loudspeaker is an important component in modern sound equipment, and is widely used in various electronic devices, such as mobile phones, computers, sound systems, etc. In the production process of the loudspeaker, glue injection is a key step, mainly used for fixing the cone, magnet and other components, to ensure the structural stability and acoustic performance of the loudspeaker. Especially in the gluing process of the cone and the cone frame, the quality of glue injection directly affects the acoustic performance and service life of the loudspeaker.

[0003] The patent with the patent authorization number CN205308703U discloses a new rotary disc type loudspeaker glue injection machine. The loudspeaker to be injected with glue is placed in the loudspeaker clamping die of the rotary disc, then the glue injection gun is driven by the sliding mechanism to inject glue into the loudspeaker, and the loudspeaker on the rotary disc is turned through a certain angle by the transmission mechanism to further inject glue, thereby realizing the full-automatic glue injection of the loudspeaker. However, this patent still has some deficiencies in actual use. The loudspeaker clamping die of the device does not have size adaptability, and cannot automatically adjust the clamping force or position according to different loudspeaker models, resulting in the need to prepare and frequently replace specific clamping dies when processing products of multiple specifications, thereby increasing the production preparation time and cost.

[0004] Therefore, it is urgent to provide a glue injection device for loudspeaker production capable of fixing loudspeakers of multiple sizes. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings of the existing patent that can only adapt to loudspeakers of a single size and is not flexible in fixing, the utility model provides a glue injection device for loudspeaker production capable of fixing loudspeakers of multiple sizes.

[0006] To achieve the above problems, the utility model adopts the following technical scheme: a glue injection device for loudspeaker production, comprising a support block, a support seat is arranged on the rear side of the support block, a liquid storage tank is installed in the middle of the support seat, a liquid pump is installed on the top of the liquid storage tank, one end of a liquid conveying pipe connected with the liquid outlet of the liquid pump, the other end of the liquid conveying pipe is connected with a glue injection head, a rotating disc is rotatably installed at the center position of the support block, a drive motor is installed in the support block, the output shaft of the drive motor is connected with the rotating disc, a support column is arranged at the center position of the rotating disc, a plurality of support frames are fixedly connected at the edge of the rotating disc, a rotating shaft is installed on each support frame, a fixing plate is rotatably installed on the rotating shaft, a worm gear is installed at the lower end of the fixing plate, a plurality of support plates corresponding to the positions of the support frames are fixedly connected on the rotating disc, and a worm is rotatably installed on the support plate and matched with the worm gear.

[0007] Further, the infusion tube is designed in a whole corrugated structure.

[0008] Further, a support shell is sleeved on the support column, a plurality of connecting rods are rotationally installed on the circumferential surface of the support shell, one end of each connecting rod is connected with a corresponding worm, and the other end of each connecting rod is provided with a bevel gear set.

[0009] Further, a sliding frame is slidingly installed on the support base, an electric sliding rail is arranged on the sliding frame, an electric sliding block is installed on the glue injection head, the electric sliding block can slide horizontally on the electric sliding rail, a servo motor is installed at the lower part of the support base, a threaded rod is connected with the output shaft of the servo motor, and the threaded rod is in threaded connection with the sliding frame.

[0010] Further, an observation plate is embedded on the liquid storage tank.

[0011] Further, a protective pad is arranged at the top end of the fixed plate.

[0012] Further, an antiskid pad is arranged at the top end of the support column.

[0013] Compared with the prior art, the utility model has the following technical effects: 1. through the cooperation of the support frame, the rotating shaft, the fixed plate, the worm gear, the support plate and the worm, the angle of the fixed plate can be flexibly adjusted, the problem that the traditional glue injection device can only adapt to single-size loudspeakers is effectively solved, and the applicability and working efficiency of the equipment are improved.

[0014] 2. through increasing the bevel gear set and the connecting rod mechanism on the fixed plate, synchronous rotation of the four worms is realized, so that the four fixed plates can be synchronously adjusted in angle, the operation process of the basin frame fixation is greatly simplified, and the working efficiency and operation convenience are improved.

[0015] 3. through the automatic driving device composed of the sliding frame, the servo motor, the threaded rod, the electric sliding rail and the electric sliding block, accurate control of the glue injection head in horizontal and vertical directions is realized, the accuracy and efficiency of glue injection are improved, the operation process is simplified, and the production automation level is improved. DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0017] Figure 2 It is a three-dimensional structure schematic view of the support base, the liquid storage tank and the liquid pumping of the utility model.

[0018] Figure 3 It is a three-dimensional structure schematic view of the rotating disc, the support column and the support shell of the utility model.

[0019] Figure 4The utility model discloses a drive motor, connecting rod and the three -dimensional sectional view of bevel gear set.

[0020] Figure 5 The utility model discloses a drive motor, connecting rod and the three -dimensional sectional view of bevel gear set. Figure 4 The utility model discloses a drive motor, connecting rod and the three -dimensional sectional view of bevel gear set.

[0021] Figure 6 The utility model discloses a drive motor, connecting rod and the three -dimensional sectional view of bevel gear set.

[0022] Figure 7 The utility model discloses a drive motor, connecting rod and the three -dimensional sectional view of bevel gear set.

[0023] Part name and serial number in drawing: 1: support block, 2: rotary disc, 3: support column, 4: support frame, 40: rotating shaft, 5: fixed plate, 6: worm wheel, 7: support plate, 8: worm, 9: drive motor, 10: support seat, 11: liquid storage tank, 1101: liquid pump, 12: infusion tube, 13: glue injection head, 14: support shell, 15: connecting rod, 16: bevel gear set, 17: sliding frame, 18: servo motor, 19: threaded rod, 20: electric sliding rail, 21: electric sliding block, 22: observation board, 23: protection pad, 24: antiskid pad. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment 1: please refer to Figures 1-5The utility model provides a kind of glue injection device for loudspeaker production, including support block 1, support seat 10 is provided in the rear side of the support block 1, liquid storage tank 11 is installed in the middle part of the support seat 10, for storing required glue, observation board 22 is embedded in the upper portion of the liquid storage tank 11, the observation board 22 is made of transparent material, the amount of glue in the liquid storage tank 11 can be directly observed by observation board 22, and glue is found in time and supplemented, liquid pump 1101 is installed on the top of the liquid storage tank 11, one end of liquid outlet of the liquid pump 1101 is connected with infusion tube 12, infusion tube 12 other end is connected with glue injection head 13, in addition, the whole infusion tube 12 adopts corrugated structure design, the corrugated design allows it to bend and stretch within a certain range, so that glue injection head 13 on it can be flexibly moved between different positions, rotating disc 2 is rotatably installed in the center position of the support block 1, driving motor 9 is installed in the inside of the support block 1, the output shaft of the driving motor 9 is connected with rotating disc 2, rotating disc 2 is rotated by driving motor 9, support column 3 is provided in the center position of the rotating disc 2, and the center support point is provided for loudspeaker stand, anti-slip pad 24 is provided at the top of the support column 3, when loudspeaker stand is placed on the support column 3, the anti-slip pad 24 can increase the friction between stand and support column 3, to prevent stand from sliding or deviating during glue injection process, four groups of support frames 4 are uniformly distributed and fixedly connected on the edge of the rotating disc 2, rotating shaft 40 is installed on each support frame 4, fixed plate 5 is rotatably installed on the rotating shaft 40, for fixing loudspeaker stand, protective pad 23 is provided at the top of the fixed plate 5, the protective pad 23 is made of soft material, when fixed plate 5 clamps loudspeaker stand, protective pad 23 can effectively prevent fixed plate 5 from directly contacting stand surface, to avoid scratching or damaging stand, worm gear 6 is installed on the lower end of the fixed plate 5, four groups of support plates 7 corresponding to the position of support frame 4 are fixedly connected on the rotating disc 2, worm 8 matched with worm gear 6 is rotatably installed on the support plate 7, by rotating worm 8, worm gear 6 drives fixed plate 5 to rotate, so as to be adjusted to different angles, to adapt to stand of different sizes.

[0026] When using the device, first place the speaker basket to be glued on the support column 3, then rotate the worm 8 by hand, which will rotate the worm gear 6 engaged with it, causing the fixed plate 5 to rotate around the rotating shaft 40, until the fixed plate 5 is tightly fitted with the edge of the speaker basket. The operator repeats the above steps, rotates the remaining worm 8, until all the fixed plates 5 firmly fix the basket. When the basket is fixed, the operator lowers the glue injection head 13 to the position in contact with the edge of the basket to start gluing, then starts the drive motor 9, the rotating disc 2 will rotate, at the same time, the glue injection head 13 will evenly smear a layer of glue on the edge of the basket. When the injection is completed, the operator adjusts the glue injection head 13 to the center position inside the basket, and starts the drive motor 9 again to glue at the center position. Finally, after the glue injection is completed, the drive motor 9 is turned off, the rotation of the rotating disc 2 is stopped, and the worm 8 is rotated in reverse to release the pressure of the fixed plate 5, and the speaker basket that has completed the glue injection is removed.

[0027] Based on example 1, please refer to Figure 3 and Figure 4 , the support column 3 is sleeved with a support shell 14, which increases the support point and improves the stability of the sound cone placement. The support shell 14 is rotatably installed with four evenly distributed connecting rods 15 along the peripheral surface. One end of each connecting rod 15 is connected with the corresponding worm 8, and the other end is provided with a bevel gear set 16. By rotating any one rotating connecting rod 15, the bevel gear set 16 can make the other three rotating connecting rods 15 and the worm 8 rotate at the same time, realizing the synchronous adjustment of the fixed plate 5.

[0028] After placing the speaker basket, rotate any one connecting rod 15 by hand, the rotation of the connecting rod 15 will be transmitted to the other three connecting rods 15 through the bevel gear set 16, so that the four connecting rods 15 rotate synchronously. The rotation of the connecting rod 15 will drive the connected worm 8 to rotate, and the four fixed plates 5 will rotate synchronously to adjust the angle, making the basket fixing operation more convenient and fast.

[0029] Please refer to Figure 6 and Figure 7 , the support seat 10 is slidably installed with a sliding frame 17, the sliding frame 17 is provided with an electric sliding rail 20, the glue injection head 13 is installed with an electric sliding block 21, the electric sliding block 21 can slide horizontally on the electric sliding rail 20, thereby driving the glue injection head 13 to move in the horizontal direction. The support seat 10 is installed with a servo motor 18 at the lower part, the output shaft of the servo motor 18 is connected with a threaded rod 19, the threaded rod 19 is threadedly connected with the sliding frame 17, the threaded rod 19 is driven to rotate by the servo motor 18, realizing the vertical movement of the sliding frame 17.

[0030] When injecting glue, the electric slide rail 20 and the servo motor 18 are started, the electric slide block 21 drives the glue injection head 13 to move horizontally on the electric slide rail 20, so as to realize accurate positioning of the glue injection head 13 in the horizontal direction, the servo motor 18 drives the threaded rod 19 to rotate, the rotation of the threaded rod 19 drives the sliding frame 17 to move vertically up and down along the support base 10, so as to realize accurate positioning of the glue injection head 13 in the vertical direction, so that the movement of the glue injection head 13 in the horizontal and vertical directions can be accurately and automatically controlled, and it is ensured that the glue injection head 13 can accurately reach the predetermined position to accurately inject glue, and the automation and intelligence of the glue injection process are ensured.

[0031] Although the utility model has been described in detail with reference to the above examples, it is obvious to those skilled in the art through the disclosure that various changes or modifications can be made to the utility model without departing from the principles and spirit of the utility model defined in the claims. Therefore, the detailed description of the embodiments of the disclosure is only used for explanation, not for limiting the utility model, and the protection range is defined by the content of the claims.

Claims

1. A glue injection device for loudspeaker production, comprising a support block (1), a support seat (10) is arranged on the back side of the support block (1), a liquid storage tank (11) is installed in the middle of the support seat (10), a liquid pumping pump (1101) is installed on the top of the liquid storage tank (11), one end of a liquid conveying pipe (12) is connected to the liquid outlet end of the liquid pumping pump (1101), the other end of the liquid conveying pipe (12) is connected to a glue injection head (13), a rotating disc (2) is rotatably installed at the center position of the support block (1), a driving motor (9) is installed inside the support block (1), the output shaft of the driving motor (9) is connected to the rotating disc (2), and a support column (3) is arranged at the center position of the rotating disc (2), characterized in that, The rotating disc (2) is fixedly connected with a plurality of groups of support frames (4), each group of support frames (4) is provided with a rotating shaft (40), the rotating shaft (40) is rotatably connected with a fixed plate (5), the fixed plate (5) is provided with a worm gear (6) at the lower end, the rotating disc (2) is fixedly connected with a plurality of groups of support plates (7) corresponding to the positions of the support frames (4), the support plates (7) are rotatably connected with a worm (8) matched with the worm gear (6).

2. The glue injection device for loudspeaker production according to claim 1, characterized in that, The infusion tube (12) is designed in a whole corrugated structure.

3. The glue injection device for loudspeaker production according to claim 2, characterized in that, The support column (3) is sleeved with a support shell (14), the support shell (14) is rotatably connected with a plurality of connecting rods (15) along the circumferential surface, one end of each connecting rod (15) is connected with a corresponding worm (8), and the other end is commonly provided with a bevel gear set (16).

4. The glue injection device for loudspeaker production according to claim 3, characterized in that, The support base (10) is slidably connected with a sliding frame (17), the sliding frame (17) is provided with an electric sliding rail (20), the glue injection head (13) is provided with an electric sliding block (21), the electric sliding block (21) can slide horizontally on the electric sliding rail (20), the support base (10) is provided at the lower part with a servo motor (18), the output shaft of the servo motor (18) is connected with a threaded rod (19), and the threaded rod (19) is threadedly connected with the sliding frame (17).

5. The glue injection device for loudspeaker production according to claim 4, characterized in that, The observation plate (22) is embedded on the liquid storage tank (11).

6. The glue injection device for loudspeaker production according to claim 5, characterized in that, The fixed plate (5) is provided with a protective pad (23) at the top end.

7. The glue injection device for loudspeaker production of claim 6, wherein, The support column (3) is provided with an anti-skid pad (24) at the top end. The fixed plate (5) is provided with a protective pad (23) at the top end.

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