Automatic powder filling device for loudspeaker

Abstract

The utility model discloses an automatic powder filling device for a loudspeaker, which relates to the technical field of powder filling devices and comprises a rack, a working platform arranged in the rack, a powder vibrating mechanism arranged at the top of the working platform and a powder filling jig arranged at the output end of the powder vibrating mechanism. A movable table is slidably connected to the top of the working platform in the horizontal direction right opposite to the open part, the powder vibrating mechanism is rotationally arranged in the movable table, a powder filling mechanism is movably connected to the upper portion of the powder vibrating mechanism in the vertical direction, and the powder filling mechanism comprises a supporting plate, a powder bin arranged at the top of the supporting plate and a powder scraping plate arranged between the supporting plate and the powder bin; a plurality of powder outlets and a plurality of first through holes which are staggered are formed in the supporting plate and the bottom of the powder bin correspondingly, the powder filling mechanism further comprises a horizontal driving assembly used for driving the powder scraping plate to reciprocate in the horizontal direction, and a plurality of butt joint holes which move along with the powder scraping plate and communicate with the powder outlets and the first through holes correspondingly are formed in the powder scraping plate; through cooperation of the lifting driving structure and the moving table, automatic powder filling operation is achieved, manual powder filling is not needed, and the working efficiency is guaranteed.

Description

Technical Field

[0001] The utility model relates to a powder filling device, more specifically, it relates to an automatic powder filling device for a loudspeaker. Background Art

[0002] A kind of bass powder needs to be filled in the speaker box to improve the sound effect of the speaker. It mainly enhances the low frequency band through the superposition of sound wave reflection, and at the same time achieves the effect of virtual expansion and volume increase.

[0003] Most of the existing powder filling operations are manual powder measurement and filling, which has poor powder filling effect and low work efficiency. In addition, due to fatigue and subjective factors during long working hours, the powder measurement is inaccurate, affecting product quality.

[0004] Therefore, a new solution needs to be proposed to solve this problem. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an automatic powder filling device for a loudspeaker.

[0006] The technical solution of the utility model is:

[0007] A loudspeaker automatic powder filling device comprises a frame, a working platform arranged in the frame, a powder vibrating mechanism arranged on the top of the working platform, and a powder filling fixture arranged on the output end of the powder vibrating mechanism, one side of the frame is open, the top of the working platform is slidably connected to a moving platform in a horizontal direction opposite to the open part, the powder vibrating mechanism is rotatably arranged in the moving platform, and the top of the powder vibrating mechanism is movably connected to a powder filling mechanism in a vertical direction, the powder filling mechanism comprises a support plate, a powder bin arranged on the top of the support plate, and a powder scraper plate arranged between the support plate and the powder bin, a plurality of powder outlets and a plurality of first through holes which are staggered with each other are respectively provided on the support plate and at the bottom of the powder bin, the powder filling mechanism also comprises a horizontal driving component for driving the powder scraper plate to reciprocate in the horizontal direction, and a plurality of docking holes are provided on the powder scraper plate which are respectively connected to the powder outlet and the first through holes as the scraper plate moves.

[0008] The utility model is further configured such that the top of the working platform is located on a side of the mobile platform away from the open part of the frame and is fixedly connected to a support frame, the top of the support frame is fixedly connected to a side facing the mobile platform with a fixed plate, and the side of the fixed plate facing the mobile platform is provided with a lifting drive mechanism for driving the powder filling mechanism.

[0009] The utility model is further configured such that the lifting drive mechanism includes a lifting cylinder and a lifting plate fixedly connected to a fixed plate, the output end of the lifting cylinder is fixedly connected to a side of the lifting plate close to the support frame, and the support plate is fixedly connected to a side of the lifting plate away from the fixed plate.

[0010] The utility model is further configured that linear slide rails are symmetrically arranged on both sides of the fixed plate located at the lifting cylinder, and a slider that slidably cooperates with the linear slide rails is fixedly connected to one side of the lifting plate close to the fixed plate.

[0011] The utility model is further configured such that a slide plate is fixedly connected to the top of the support plate, a slide plate groove is provided at the bottom of the slide plate for accommodating a powder scraper plate, the powder scraper plate forms a sliding connection structure with the inner side wall of the slide plate groove, the powder bin is fixedly connected to the top of the slide plate, and a second through hole communicating with the first through hole is provided on the slide plate.

[0012] The utility model is further configured such that the cross-section of the scraper plate is T-shaped, a notch is provided on the slide plate for the scraper plate to extend out, the horizontal drive assembly includes a cylinder seat fixedly connected to the lifting plate and a first drive cylinder fixedly connected to the cylinder seat, and the output end of the first drive cylinder extends toward the scraper plate and is fixedly connected to the scraper plate.

[0013] The utility model is further configured such that the width of the powder scraper plate in the slide plate groove is greater than the horizontal distance between the first through hole and the powder outlet.

[0014] The beneficial technical effects of the utility model are:

[0015] By setting a powder scraper plate and moving it through a horizontal drive component, the docking hole on the powder scraper plate is connected to the first through hole and the powder outlet at the bottom of the powder bin respectively, and the depth of the docking hole is used to measure the powder and achieve the effect of quantitative powder filling, thereby improving the accuracy of powder quantity and ensuring product quality; and through the cooperation of the lifting drive structure and the moving platform, the operation of automatic powder filling is realized, without manual powder filling, thus ensuring work efficiency, and by designing multiple powder outlets, multiple powder can be filled at one time, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the utility model hidden frame;

[0018] Figure 3 It is a structural schematic diagram of the powder filling mechanism and the powder filling fixture of the utility model;

[0019] Figure 4 The utility model is an explosion-proof powder filling mechanism and a powder filling fixture. Figure 1 ;

[0020] Figure 5 The utility model is an explosion-proof powder filling mechanism and a powder filling fixture. Figure 2 ;

[0021] Figure 6 It is a cross-sectional view of the powder filling mechanism of the utility model;

[0022] In the figure, 1, frame; 11, working platform; 2, moving platform; 21, powder vibrating mechanism; 22, sliding block; 3, supporting frame; 31, fixing plate; 311, lifting plate; 3111, sliding block; 312, lifting cylinder; 313, linear slide rail; 4, powder filling mechanism; 41, supporting plate; 411, powder outlet; 412, guide cylinder; 42, powder scraper plate; 421, docking hole; 43, powder bin; 431, first through hole; 432, cover body; 44, slide plate; 441, slide plate groove; 442, second through hole; 45, cylinder seat; 451, first driving cylinder; 5, powder filling fixture; 51, extension part; 52, powder filling inlet; 6, second driving cylinder; 7, horizontal slide rail. DETAILED DESCRIPTION

[0023] In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the specific implementation methods of the utility model are further described in detail below in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0024] A loudspeaker automatic powder filling device, such as Figure 1-Figure 6 As shown, it includes a frame 1, a working platform 11 arranged in the frame 1, a powder vibrating mechanism 21 arranged on the top of the working platform 11, and a powder filling fixture 5 arranged on the output end of the powder vibrating mechanism 21 for placing products. A powder filling mechanism 4 is movably connected to the top of the powder vibrating mechanism 21 in the vertical direction. The powder vibrating mechanism 21 can adopt the vibration structure in the publication number CN114125689B. The powder filling mechanism 4 includes a support plate 41, a powder bin 43 arranged on the top of the support plate 41, and a powder scraper plate 42 arranged between the support plate 41 and the powder bin 43; one side of the frame 1 is open, and the top of the working platform 11 is slidably connected to a moving platform 2 in the horizontal direction facing the open part. The powder vibrating mechanism 21 is rotatably arranged in the moving platform 2. By setting the moving platform 2, the powder vibrating mechanism 21 can move toward the open part of the frame 1, so that the staff can take the product in the powder filling fixture 5 conveniently;

[0025] The top of the working platform 11 is located on the side of the moving platform 2 away from the open part of the frame 1 and is fixedly connected to the support frame 3. The top of the support frame 3 is fixedly connected to the side facing the moving platform 2 with a fixed plate 31. The side of the fixed plate 31 facing the moving platform 2 is provided with a lifting drive mechanism for driving the powder filling mechanism 4. The lifting drive mechanism includes a lifting cylinder 312 fixedly connected to the fixed plate 31 and a lifting plate 311. The lifting cylinder 312 is vertically arranged, and the output end of the lifting cylinder 312 is fixedly connected to the side of the lifting plate 311 close to the support frame 3. The support plate 41 is fixedly connected to the lifting plate 311 away from the fixed plate 31. One side is located at the bottom; by setting a lifting cylinder 312, the lifting cylinder 312 is used to drive the lifting plate 311 to move up and down, so as to realize the up and down movement of the support plate 41, so that the powder filling mechanism 4 can be movably connected in the vertical direction; linear slide rails 313 are symmetrically arranged on both sides of the lifting cylinder 312 on the fixed plate 31, and a slider 3111 that slides with the linear slide rail 313 is fixedly connected to one side of the lifting plate 311 close to the fixed plate 31, and the setting of the linear slide rail 313 and the slider 3111 limits the moving track of the lifting plate 311, so that the movement of the entire lifting plate 311 is more stable;

[0026] A slide plate 44 is fixedly connected to the top of the support plate 41, and a slide plate groove 441 for accommodating the powder scraper 42 is provided at the bottom of the slide plate 44. The powder scraper 42 forms a sliding connection structure with the inner side wall of the slide plate groove 441. The powder bin 43 is fixedly connected to the top of the slide plate 44. A plurality of powder outlets 411 and a plurality of first through holes 431 which are staggered with each other are provided on the support plate 41 and the bottom of the powder bin 43, respectively. A second through hole 442 which is connected to the first through hole 431 is provided on the slide plate 44. The powder filling mechanism 4 also includes a horizontal driving component for driving the powder scraper 42 to reciprocate in the horizontal direction. The powder scraper 42 is provided with a plurality of docking holes 421 which are connected to the powder outlet 411 and the second through hole 442 respectively as it moves. By moving the powder scraper 42, the plurality of docking holes 421 can be connected with the second through holes 442 of the slide plate 44. Since the second through holes 442 are connected with the first through holes 431 at the bottom of the powder bin 43, the powder can fall into the docking holes 421. Since the powder scraper 42 has a certain thickness, the docking holes 421 have a certain depth, which just corresponds to the capacity of the product that needs to be filled with powder at one time, making the powder filling more accurate. When the docking holes 421 are filled with powder, the horizontal driving component is used to drive the powder scraper 42 to move, so that the docking holes 421 dock with the powder outlet 411, and the powder outlet 411 is used to fall into the powder filling fixture 5, completing the powder filling operation, improving the powder filling effect, and ensuring work efficiency.

[0027] The cross section of the scraper plate 42 is T-shaped, and a notch is provided on the slide plate 44 for the scraper plate 42 to extend out. Due to the T-shaped arrangement, the moving track of the scraper plate 42 is limited, and the scraper plate 42 can be prevented from completely separating from the slide plate 44. The horizontal drive assembly includes a cylinder seat 45 fixedly connected to the lifting plate 311 and a first drive cylinder 451 fixedly connected to the cylinder seat 45. The first drive cylinder 451 is horizontally arranged, and the output end of the first drive cylinder 451 extends toward the scraper plate 42 and is fixedly connected to the scraper plate 42. The first drive cylinder 451 is used to move the first drive cylinder 451 to the lifting plate 311. 1, it can drive the scraper plate 42 to move, so as to realize the connection between the docking hole 421 and the powder outlet 411 and the second through hole 442 respectively; the scraper plate 42 is located in the slide plate groove 441, and the width is greater than the horizontal distance between the first through hole 431 and the powder outlet 411, so that when the scraper plate 42 moves to the powder outlet 411 and the docking hole 421 is connected with the powder outlet 411, the second through hole 442 of the slide plate 44 is located at the top of the scraper plate 42, and the scraper plate 42 can block the second through hole 442 to prevent the powder from falling into the slide plate groove 441 and causing waste.

[0028] An extension portion 51 is provided on the top of the powder filling fixture 5, which extends obliquely toward the support frame 3 along its thickness direction. The extension portion 51 is arranged obliquely, so that when the entire powder vibrating mechanism 21 rotates, the extension portion 51 can be rotated to a position parallel to the bottom surface of the support plate 41, so that the bottom surface of the support plate 41 and the top surface of the extension portion 51 can fit together, and the powder discharge effect of the powder outlet 411 can be better guaranteed; a powder filling inlet 52 corresponding to the powder outlet 411 is opened on the extension portion 51, and the powder filling inlet 52 continues to extend and penetrate, and the projection at the outlet is located on the powder filling position of the product, so as to realize the powder filling operation of the product; the bottom of the support plate 41 is fixedly connected at the powder outlet 411 with a The guide cylinder 412 extending from the bottom and being inserted into the powder filling inlet 52 can be inserted into the powder filling fixture 5 by means of the guide cylinder 412, so that the powder filling is more stable and waste is avoided; the top of the powder bin 43 is open and movably connected with a cover 432, and the setting of the cover 432 has a certain sealing effect, so that the powder in the powder bin 43 is prevented from being separated when the powder filling mechanism 4 moves. The powder bin 43 can be filled with powder by opening the cover 432, and a sensor is also provided in the powder bin 43 to check whether there is powder in the powder bin 43. If there is no powder, the sensor is electrically connected to the alarm device, so that the alarm device can be activated and an alarm is sounded to remind the staff to add powder to the powder bin 43;

[0029] A horizontally placed second driving cylinder 6 is fixedly connected to the top of the working platform 11, a protrusion is fixedly connected to the bottom of the moving platform 2, the output end of the second driving cylinder 6 is fixedly connected to the protrusion, and the second driving cylinder 6 is utilized to drive the moving platform 2 to move in the horizontal direction. Horizontal slide rails 7 are symmetrically arranged on both sides of the second driving cylinder 6, and a sliding block 22 that slides with the horizontal slide rail 7 is fixedly connected to the bottom of the moving platform 2. The arrangement of the horizontal slide rail 7 and the sliding block 22 defines the moving trajectory of the moving platform 2, thereby making the movement of the moving platform 2 more stable.

[0030] Working principle: Use the second driving cylinder 6 to drive the movable platform 2 to move toward the open part of the frame 1. At this time, the staff can easily fix the powder filling fixture 5 at the corresponding position on the powder vibrating mechanism 21 in the movable platform 2, and open the powder filling fixture 5 to put multiple products. After the powder filling fixture 5 is installed, use the second driving cylinder 6 to drive the movable platform 2 close to the support frame 3 until it is transported to the bottom of the powder filling mechanism 4; rotate the powder vibrating mechanism 21 to make the top of the extension part 51 of the powder filling fixture 5 rotate to a horizontal position, drive the lifting cylinder 312, and thus drive the powder filling mechanism 4 to descend until the guide cylinder 412 at the bottom of the support plate 41 is inserted into the powder filling inlet 52 of the extension part 51; at this time, the first driving cylinder 451 is in the initial position, and its powder scraper 42 is also in the initial position, and the docking hole 421 on the powder scraper 42 and the second through hole 442 of the slide plate 44 and the powder bin 4 3, the powder in the powder bin 43 falls into the docking hole 421 along the first through hole 431 and the second through hole 442, and because the docking hole 421 has a certain depth, the powder in the docking hole 421 has a certain capacity, which has the effect of measuring powder; the first driving cylinder 451 is driven to make the powder scraper 42 move toward the powder outlet 411, at this time, the powder in the docking hole 421 moves with the powder scraper 42 until the docking hole 421 is connected with the powder outlet 411, and all the powder in the docking hole 421 enters the powder filling fixture 5 along the guide cylinder 412, and the powder filling operation of the product is realized; the overall powder filling operation does not require a mouth to perform, the operation is convenient, and the work efficiency is improved, and the powder measuring operation is realized by ensuring the depth of the docking hole 421, which can achieve the effect of quantitative powder filling, improve the accuracy of powder quantity, and ensure product quality.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A loudspeaker automatic powder filling device, comprising a frame (1), a working platform (11) arranged in the frame (1), a powder vibrating mechanism (21) arranged on the top of the working platform (11), and a powder filling fixture (5) arranged on the output end of the powder vibrating mechanism (21), one side of the frame (1) is open, and is characterized in that: The top of the working platform (11) is slidably connected to a moving platform (2) in a horizontal direction facing the open portion, the powder vibrating mechanism (21) is rotatably arranged in the moving platform (2), and a powder filling mechanism (4) is movably connected to the top of the powder vibrating mechanism (21) in a vertical direction, the powder filling mechanism (4) comprising a support plate (41), a powder bin (43) arranged on the top of the support plate (41), and a powder scraper plate (42) arranged between the support plate (41) and the powder bin (43), a plurality of powder outlets (411) and a plurality of first through holes (431) arranged in a mutually staggered manner are respectively provided on the support plate (41) and the bottom of the powder bin (43), the powder filling mechanism (4) further comprises a horizontal driving component for driving the powder scraper plate (42) to reciprocate in a horizontal direction, the powder scraper plate (42) being provided with a plurality of docking holes (421) which are respectively connected to the powder outlet (411) and the first through holes (431) as the powder scraper plate (42) moves.

2. The automatic speaker powder filling device according to claim 1, characterized in that: The top of the working platform (11) is located on a side of the mobile platform (2) facing away from the open part of the frame (1) and is fixedly connected to a support frame (3); the top of the support frame (3) is fixedly connected to a fixed plate (31) on the side facing the mobile platform (2); and the side of the fixed plate (31) facing the mobile platform (2) is provided with a lifting drive mechanism for driving the powder filling mechanism (4).

3. The automatic speaker powder filling device according to claim 2, characterized in that: The lifting drive mechanism comprises a lifting cylinder (312) fixedly connected to a fixed plate (31) and a lifting plate (311); an output end of the lifting cylinder (312) is fixedly connected to a side of the lifting plate (311) close to the support frame (3); and the support plate (41) is fixedly connected to a side of the lifting plate (311) away from the fixed plate (31).

4. The automatic speaker powder filling device according to claim 3 is characterized in that: The fixed plate (31) is symmetrically provided with linear slide rails (313) on both sides of the lifting cylinder (312), and a sliding block (3111) that slidably cooperates with the linear slide rails (313) is fixedly connected to one side of the lifting plate (311) close to the fixed plate (31).

5. The automatic speaker powder filling device according to claim 2, characterized in that: A slide plate (44) is fixedly connected to the top of the support plate (41), a slide plate groove (441) for accommodating a powder scraper plate (42) is provided at the bottom of the slide plate (44), the powder scraper plate (42) and the inner side wall of the slide plate groove (441) form a sliding connection structure, the powder bin (43) is fixedly connected to the top of the slide plate (44), and a second through hole (442) communicating with the first through hole (431) is provided on the slide plate (44).

6. The automatic speaker powder filling device according to claim 5, characterized in that: The cross section of the powder scraping plate (42) is T-shaped, the slide plate (44) is provided with a notch for the powder scraping plate (42) to extend out, the horizontal drive assembly comprises a cylinder seat (45) fixedly connected to the lifting plate (311) and a first drive cylinder (451) fixedly connected to the cylinder seat (45), the output end of the first drive cylinder (451) extends toward the powder scraping plate (42) and is fixedly connected to the powder scraping plate (42).

7. The automatic speaker powder filling device according to claim 6, characterized in that: The width of the powder scraper (42) located in the slide groove (441) is greater than the horizontal distance between the first through hole (431) and the powder outlet (411).

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