A kind of automobile silencer silencing cotton fast filling core machine

By designing components such as the support platform, fixing plate, reciprocating lead screw, and servo motor, the problems of unstable muffler clamping and motor wear were solved, achieving stable clamping of the muffler and continuous cotton core filling, thereby improving production efficiency and reducing costs.

CN120622042BActive Publication Date: 2026-08-04达必温汽车零部件(太仓)有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
达必温汽车零部件(太仓)有限公司
Filing Date
2025-06-27
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

In existing technologies, the muffler clamping is unstable, and the motor and electric push rod are prone to wear, which affects the production schedule and increases costs.

Method used

The system employs components such as a support platform, a fixed plate, a reciprocating lead screw, a servo motor, and an intermittent rotation mechanism to achieve stable clamping of the muffler and continuous cotton core filling, thereby reducing the frequency of use of the motor and electric push rod.

Benefits of technology

It improves the production efficiency of silencers and extends the service life of equipment, while reducing the operating cost of core filling machines.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention discloses a rapid filling machine for automotive mufflers, relating to the field of automotive muffler technology. The invention includes a support platform with a fixed plate on its upper side. Support arms are fixed to the front and rear sides of the fixed plate and the support platform. A vertical plate is fixed to one side of the top of the support platform. A reciprocating screw is installed between the vertical plate and the fixed plate. A movable block is threaded onto the reciprocating screw. A support plate is fixed to the top of the movable block. A filling head is fixed to the end of the support plate away from the movable block. A fixed plate is installed on the side of the fixed plate away from the reciprocating screw. Several fixed blocks are fixed to the periphery of the fixed plate. Two fixed arms are fixed opposite each other on the outer wall of the fixed blocks. A placement plate is fixed between the ends of two adjacent fixed arms. A pressure plate is installed on the side of the placement plate away from the fixed arms to facilitate clamping the muffler to be filled. An intermittent rotation mechanism is provided between the fixed plate and the fixed plate to facilitate the intermittent rotation of the clamped muffler, thus facilitating the muffler filling operation.
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Description

Technical Field

[0001] This invention belongs to the field of automotive muffler technology, and in particular relates to a rapid filling machine for automotive muffler sound-absorbing cotton. Background Technology

[0002] A car muffler is a part used to reduce the noise generated by the engine of a motor vehicle. During the manufacturing process of a car muffler, some sound-absorbing cotton needs to be filled inside the muffler to increase its noise reduction function.

[0003] Publication No. CN220313246U discloses a rapid filling machine for automotive mufflers. The machine places the muffler to be processed between clamping plates, with its end attached to the surface of a disc. A spring pushes the clamping plates to fix the muffler. As the motor rotates, when the laser detector on the disc and the stabilizing plate are aligned, the leftmost muffler on the disc is directly opposite the filling head. An external control unit stops the motor, and an electric push rod extends and retracts, filling the cotton core through the filling head. After completion, the motor continues to run, achieving cyclic operation. Furthermore, when the motor stops, it facilitates the replacement of the processed muffler, improving work efficiency.

[0004] The aforementioned existing technologies still have the following drawbacks in practical implementation:

[0005] Simply relying on the elasticity of springs to clamp and fix the muffler to be processed will reduce the elasticity of the springs after a long period of use, making it easy for the muffler to become unstable and affecting the subsequent filling effect. At the same time, the filling operation requires repeated starting and stopping of the motor and repeated extension and retraction of the electric push rod, which accelerates the wear and fatigue of the motor and electric push rod, and seriously shortens the service life of the motor and electric push rod. If the motor or electric push rod fails or is damaged, it will seriously affect the production progress. Moreover, both the motor and electric push rod require electric power, which increases the operating cost of the filling machine.

[0006] To address this issue, we designed a rapid filling machine for sound-absorbing cotton in automotive mufflers. Summary of the Invention

[0007] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution:

[0008] This invention relates to a rapid filling machine for sound-absorbing cotton in automotive mufflers, comprising a support platform, a fixed plate disposed on the upper side of the support platform, support arms fixed between the fixed plate and the support platform on both the front and rear sides, a vertical plate fixed on one side of the top of the support platform, a reciprocating screw disposed between the vertical plate and the fixed plate, a movable block threaded on the reciprocating screw, a support plate fixed on the top of the movable block, and a plurality of filling heads fixed on the end of the support plate away from the movable block;

[0009] A fixed plate is provided on the side of the fixed plate away from the reciprocating lead screw. Several fixed blocks are fixed on the peripheral surface of the fixed plate. Two fixed arms are fixed opposite each other on the outer wall of the fixed blocks. A placement plate is fixed between the ends of two adjacent fixed arms. A pressure plate is provided on the side of the placement plate away from the fixed arms. An intermittent rotation mechanism is provided between the reciprocating lead screw and the fixed plate. A lifting plate is slidably sleeved between two adjacent fixed arms. Fasteners are provided between the pressure plate and the lifting plate.

[0010] The placement plate has several placement slots, and the pressure plate has several limiting slots on the side near the placement plate. The filling head corresponds to the limiting slots and placement slots one by one and cooperates with each other.

[0011] The reciprocating lead screw is provided with support rods on both the front and rear sides. The support rods are fixed between the fixed plate and the upright plate, and the support rods pass through the movable block. The movable block and the support rods are slidably engaged.

[0012] A servo motor is installed on one side of the upright plate, and the output end of the servo motor is connected to one end of a reciprocating lead screw.

[0013] The intermittent rotation mechanism includes a rotating shaft, which is rotatably embedded in a fixed plate. The end of the reciprocating screw away from the vertical plate is fixedly connected to the rotating shaft. A disc is fixed to the end of the rotating shaft away from the reciprocating screw. An clearance groove is formed through the disc. A strip plate is fixed to one side of the inner wall of the clearance groove. A lever is fixed to the side of the strip plate away from the rotating shaft.

[0014] A rotating rod is provided on the upper side of the rotating shaft. The rotating rod is rotatably engaged with the fixed plate. The end of the rotating rod away from the fixed plate is fixedly connected to the fixed disk. A turntable is fixedly sleeved on the outer wall of the rotating rod. Several arc-shaped grooves are opened on the circumferential side of the turntable. The outer wall of the turntable cooperates with the arc-shaped grooves. Several actuating grooves are opened opposite each other on the circumferential side of the turntable. The actuating grooves and arc-shaped grooves are spaced apart. The actuating rod cooperates with the actuating grooves.

[0015] The fastener includes a cylinder, which is located at the end of the fixed block away from the fixed plate. The telescopic end of the cylinder is fixedly connected to the adjacent lifting plate. A first connecting rod is fixedly connected between the bottom of the lifting plate and the side of the adjacent pressure plate.

[0016] The support platform has a notch, and a fixed connecting rod is fixed to the bottom of the movable block. A connecting plate is fixed to the end of the fixed connecting rod away from the movable block. Several pushing rods are fixed to the side of the connecting plate away from the fixed connecting rod. The pushing rods correspond one-to-one with the limiting grooves and cooperate with each other.

[0017] The fastener includes a compression spring, which is sleeved on the outside of the fixed arm. Both ends of the compression spring are fixedly connected to the placement plate and the lifting plate, respectively. Two second connecting rods are fixedly connected between the side of the lifting plate near the compression spring and the side wall of the adjacent pressure plate.

[0018] A bent rod is fixed to the top of the support plate, and a top pressure block is fixed to the end of the bent rod away from the support plate. The lower part of the end of the top pressure block away from the bent rod has an arc-shaped structure, and the top pressure block cooperates with the top surface of the uppermost pressure plate.

[0019] The present invention has the following beneficial effects:

[0020] This invention facilitates the placement of the muffler to be filled through a placement slot on the placement plate. Fasteners allow the pressure plate to move closer to the placement plate, thus clamping and securing the placed muffler. The threaded engagement between the movable block and the reciprocating screw allows for easy adjustment of the movable block's reciprocating movement. The support plate, in turn, moves the filling head synchronously. Combined with an intermittent rotation mechanism, this causes the fixed disc to rotate intermittently. The combined action of the fixed block, fixed arm, placement plate, and pressure plate further drives the intermittent rotation of the clamped muffler, facilitating simultaneous... Multiple silencers are used for cotton core filling, and the cotton core filling operation of the silencers is made continuous, which effectively improves the production progress and efficiency of the silencers. There is no need to set up multiple electrical appliances. This solves the problem that in the existing technology, when carrying out the core filling operation, it is necessary to repeatedly start and stop the motor and repeatedly extend and retract the electric push rod, which accelerates the wear and fatigue of the motor and electric push rod and seriously shortens the service life of the motor and electric push rod. If the motor or electric push rod fails or is damaged, it will seriously affect the production progress. Moreover, both the motor and electric push rod require electric drive, which increases the operating cost of the core filling machine.

[0021] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the overall structure of a specific embodiment of the rapid filling machine for sound-absorbing cotton in an automotive muffler according to the present invention;

[0024] Figure 2 for Figure 1 The main view;

[0025] Figure 3 for Figure 2 Schematic diagram of the structure of section AA;

[0026] Figure 4 for Figure 1 Enlarged structural diagram at point B;

[0027] Figure 5 for Figure 1 Enlarged structural diagram at point C;

[0028] Figure 6 for Figure 2 Enlarged structural diagram at point D;

[0029] Figure 7 for Figure 3 Enlarged structural diagram at point E;

[0030] Figure 8 for Figure 1 A structural diagram from another perspective;

[0031] Figure 9 for Figure 8 Enlarged structural diagram at point F;

[0032] Figure 10 This is a schematic diagram of the overall structure of a specific embodiment two of the present invention, a rapid filling machine for sound-absorbing cotton in an automotive muffler.

[0033] Figure 11 for Figure 10 Enlarged structural diagram at point G;

[0034] Figure 12 for Figure 10 A structural diagram from another perspective.

[0035] The attached diagram lists the components represented by each number as follows:

[0036] 1. Support platform; 2. Fixed plate; 3. Vertical plate; 4. Support arm; 5. Reciprocating screw; 6. Movable block; 7. Support plate; 8. Filling head; 9. Rotating shaft; 10. Disc; 11. Clearance groove; 12. Strip plate; 13. Actuating rod; 14. Rotating rod; 15. Turntable; 16. Actuating groove; 17. Fixed plate; 18. Fixed block; 19. Placement plate; 20. Placement groove; 21. Fixed arm; 22. Pressure plate; 23. Limiting groove; 24. Lifting plate; 25. Support rod; 26. Servo motor; 27. Cylinder; 28. First connecting rod; 29. ​​Notch; 30. Fixed connecting rod; 31. Connecting plate; 32. Push rod; 33. Compression spring; 34. Second connecting rod; 35. Top pressure block; 36. Bending rod. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] In the description of this invention, it should be understood that the terms "upper," "middle," "outer," "inner," etc., which indicate orientation or positional relationship, are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting this invention.

[0039] Please see Figures 1-12 As shown, the present invention is a rapid filling machine for sound-absorbing cotton in automobile mufflers, including a support platform 1, a fixed plate 2 on the upper side of the support platform 1, support arms 4 fixed between the front and rear sides of the fixed plate 2 and the support platform 1, a vertical plate 3 fixed on one side of the top of the support platform 1, a reciprocating screw 5 between the vertical plate 3 and the fixed plate 2, a movable block 6 threaded on the reciprocating screw 5, a support plate 7 fixed on the top of the movable block 6, and a plurality of filling heads 8 fixed at the end of the support plate 7 away from the movable block 6;

[0040] A fixed plate 17 is provided on the side of the fixed plate 2 away from the reciprocating screw 5. Several fixed blocks 18 are fixed on the periphery of the fixed plate 17. Two fixed arms 21 are fixed to each other on the outer wall of the fixed blocks 18. A placement plate 19 is fixed between the ends of two adjacent fixed arms 21. A pressure plate 22 is provided on the side of the placement plate 19 away from the fixed arms 21. An intermittent rotation mechanism is provided between the reciprocating screw 5 and the fixed plate 17. A lifting plate 24 is slidably sleeved between two adjacent fixed arms 21. Fasteners are provided on the pressure plate 22 and between the lifting plate 24.

[0041] The placement plate 19 has several placement slots 20, and the pressure plate 22 has several limiting slots 23 on the side close to the placement plate 19. The filling head 8 corresponds to the limiting slots 23 and the placement slots 20 one by one and cooperates with each other.

[0042] In the above structure, the placement groove 20 on the placement plate 19 facilitates the placement of the muffler to be filled. Under the action of the fastener, the pressure plate 22 is easily driven to approach the placement plate 19, thereby achieving the purpose of pressing and fixing the placed muffler. The movable block 6 is easily adjusted to move back and forth under the threaded engagement of the reciprocating screw 5. Under the action of the support plate 7, the filling head 8 is driven to move synchronously. Combined with the intermittent rotation mechanism, the fixed plate 17 is driven to rotate synchronously and intermittently. With the joint cooperation of the fixed block 18, the fixed arm 21, the placement plate 19 and the pressure plate 22, the clamped and fixed muffler is driven to rotate synchronously and intermittently. This facilitates the simultaneous filling of multiple mufflers with cotton cores and realizes the continuity of the muffler cotton core filling operation, effectively improving the production progress and efficiency of the muffler.

[0043] Support rods 25 are provided on both the front and rear sides of the reciprocating screw 5. The support rods 25 are fixed between the fixed plate 2 and the upright plate 3, and the support rods 25 pass through the movable block 6. The movable block 6 and the support rods 25 slide together, which effectively supports, limits and guides the movable block 6, ensuring the stability of the reciprocating movement of the movable block 6, and thus ensuring the stability of the filling head 8 during the reciprocating movement of the silencer cotton core filling process. A servo motor 26 is installed on one side of the upright plate 3, and the output end of the servo motor 26 is connected to one end of the reciprocating screw 5.

[0044] The intermittent rotation mechanism includes a rotating shaft 9, which is rotatably embedded in the fixed plate 2. The end of the reciprocating screw 5 away from the vertical plate 3 is fixedly connected to the rotating shaft 9. A disc 10 is fixed to the end of the rotating shaft 9 away from the reciprocating screw 5. A clearance groove 11 is provided through the disc 10. A strip plate 12 is fixed to one side of the inner wall of the clearance groove 11. A lever 13 is fixed to the side of the strip plate 12 away from the rotating shaft 9.

[0045] A rotating rod 14 is provided on the upper side of the rotating shaft 9. The rotating rod 14 is rotatably engaged with the fixed plate 2. The end of the rotating rod 14 away from the fixed plate 2 is fixedly connected to the fixed disk 17. A turntable 15 is fixedly sleeved on the outer wall of the rotating rod 14. Several arc-shaped grooves are opened on the circumferential side of the turntable 15. The outer wall of the disc 10 is engaged with the arc-shaped grooves. Several actuating grooves 16 are opened opposite each other on the circumferential side of the turntable 15. The actuating grooves 16 and the arc-shaped grooves are spaced apart. The actuating rod 13 is engaged with the actuating grooves 16.

[0046] The fastener includes a cylinder 27, which is located at the end of the fixed block 18 away from the fixed plate 17. The telescopic end of the cylinder 27 is fixedly connected to the adjacent lifting plate 24. A first connecting rod 28 is fixedly connected between the bottom of the lifting plate 24 and the side of the adjacent pressure plate 22.

[0047] The support platform 1 has a notch 29. The bottom of the movable block 6 is fixed with a fixed connecting rod 30. The end of the fixed connecting rod 30 away from the movable block 6 is fixed with a connecting plate 31. Several push rods 32 are fixed on the side of the connecting plate 31 away from the fixed connecting rod 30. The push rods 32 correspond one-to-one with the limiting grooves 23 and cooperate with each other.

[0048] The fastener includes a compression spring 33, which is sleeved on the outside of the fixed arm 21. The two ends of the compression spring 33 are fixedly connected to the placement plate 19 and the lifting plate 24, respectively. Two second connecting rods 34 are fixedly connected between the side of the lifting plate 24 near the compression spring 33 and the side wall of the adjacent pressure plate 22.

[0049] A bent rod 36 is fixed at the top of the support plate 7. A top pressure block 35 is fixed at the end of the bent rod 36 away from the support plate 7. The lower part of the end of the top pressure block 35 away from the bent rod 36 has an arc-shaped structure, and the top pressure block 35 cooperates with the top surface of the uppermost pressure plate 22.

[0050] Example 1:

[0051] like Figures 1-9 As shown, when filling the muffler with cotton core, the cylinder 27 located at the bottom is first activated. The cylinder 27 extends and, with the sliding cooperation between the lifting plate 24 and the fixed arm 21, pushes the lifting plate 24 to move steadily toward the placement plate 19. Under the action of the first connecting rod 28, the pressure plate 22 is moved away from the placement plate 19, and the muffler to be filled is placed in the limiting groove 23 on the bottom pressure plate 22. Then, the cylinder 27 is driven to retract. Under the action of the lifting plate 24 and the first connecting rod 28, the pressure plate 22 is moved closer to the corresponding placement plate 19, thereby moving the placed muffler into the placement groove 20 on the placement plate 19, until the purpose of clamping and fixing the placed muffler is achieved by the pressure plate 22 and the placement plate 19. This solves the problem that the existing technology only uses the elasticity of the spring to clamp and fix the muffler to be processed. After long-term use, the elasticity of the spring will decrease, and the muffler will be easily unstable, affecting the subsequent filling effect.

[0052] Next, the servo motor 26 is started, and the reciprocating screw 5 is driven to rotate by the servo motor 26. With the threaded engagement between the movable block 6 and the reciprocating screw 5, and the sliding engagement between the movable block 6 and the support rod 25, the movable block 6 is adjusted to move stably towards the fixed plate 2. Under the action of the support plate 7, the filling head 8 is then driven to move stably towards the fixed plate 2.

[0053] During this process, the rotation of the reciprocating screw 5 drives the rotating shaft 9 to rotate, which in turn drives the disc 10 to rotate. The rotation of the disc 10, combined with the strip plate 12, drives the actuating rod 13 to move closer to the turntable 15 until the actuating rod 13 enters the corresponding actuating groove 16 on the turntable 15. With the rotational cooperation of the rotating rod 14 and the fixed plate 2, the turntable 15 is actuated to rotate, thereby achieving the purpose of adjusting the intermittent rotation of the turntable 15.

[0054] During the process of the toggle lever 13 to rotate the turntable 15, in conjunction with the rotating lever 14, the fixed plate 17 is driven to rotate synchronously. With the cooperation of the fixed block 18, fixed arm 21, placement plate 19, pressure plate 22, cylinder 27 and first connecting rod 28, the muffler clamped and fixed is driven to rotate intermittently around the rotating lever 14 until the muffler rotates to the uppermost side.

[0055] At this time, the reciprocating screw 5 continues to rotate, and with the cooperation of the movable block 6 and the support plate 7, it drives the filling head 8 to approach the uppermost silencer and fill it with cotton core.

[0056] After the cotton core is filled, the movable block 6 moves to the leftmost side. Under the action of the reciprocating screw 5, the movable block 6 is adjusted to move away from the fixed plate 2. During this process, under the action of the intermittent rotation mechanism, the silencer after the cotton core is filled continues to rotate. When the next batch of unfilled silencers rotates to the top, the silencer after filling rotates to the bottom.

[0057] At this time, the lowest cylinder 27 is activated, which drives the lowest pressure plate 22 away from the corresponding placement plate 19. This causes the muffler, after being filled, to move downward with the pressure plate 22 and disengage from the corresponding placement groove 20, thus eliminating the clamping effect of the muffler after being filled. As the reciprocating screw 5 continues to rotate, it drives the filling head 8 to fill the uppermost muffler with cotton core.

[0058] During this process, as the movable block 6 moves, the fixed connecting rod 30 and the connecting plate 31 work together to drive the push rod 32 to move to the left along the direction of the notch 29, thereby driving the push rod 32 to push the bottom muffler that eliminates the clamping effect to the left, achieving the purpose of unloading. At this time, according to the actual situation, a collection box is set below to collect the pushed muffler. At this time, the top muffler has completed the cotton core filling.

[0059] The reciprocating screw 5 continues to rotate, pushing the rod 32 away from the lowest pressure plate 22. At this time, the next batch of silencers to be filled is placed in the limiting groove 23 on the lowest pressure plate 22. This cycle is repeated to achieve the continuity of the silencer cotton core filling operation, effectively improving the processing progress and efficiency of the silencer cotton core filling. Moreover, it eliminates the need to set up multiple electrical appliances, solving the problem that in the existing technology, when carrying out the core filling operation, it is necessary to repeatedly start and stop the motor and coordinate with the repeated extension and retraction of the electric push rod, which accelerates the wear and fatigue of the motor and electric push rod, seriously shortens the service life of the motor and electric push rod. If the motor or electric push rod fails or is damaged, it will seriously affect the production progress. In addition, both the motor and electric push rod require electric drive, which increases the operating cost of the core filling machine.

[0060] Example 2:

[0061] When filling the muffler with cotton core, first place the muffler to be filled between the pressure plate 22 on the last side and the corresponding placement plate 19. Under the elastic action of the compression spring 33, the muffler to be filled is stabilized between the corresponding placement groove 20 and the limiting groove 23, so as to achieve the purpose of clamping and fixing the muffler to be filled.

[0062] Next, the servo motor 26 is started, which drives the reciprocating screw 5 to rotate. With the threaded engagement between the movable block 6 and the reciprocating screw 5, and the sliding engagement between the movable block 6 and the support rod 25, the movable block 6 is adjusted to move stably towards the fixed plate 2. Under the action of the support plate 7, the filling head 8 is driven to move stably towards the fixed plate 2. Combined with the bent rod 36, the top pressure block 35 is driven to move synchronously.

[0063] During this process, the rotation of the reciprocating screw 5 drives the rotating shaft 9 to rotate, which in turn drives the disc 10 to rotate. The rotation of the disc 10, combined with the strip plate 12, drives the actuating rod 13 to move closer to the turntable 15 until the actuating rod 13 enters the corresponding actuating groove 16 on the turntable 15. With the rotational cooperation of the rotating rod 14 and the fixed plate 2, the turntable 15 is actuated to rotate, thereby achieving the purpose of adjusting the intermittent rotation of the turntable 15.

[0064] During the rotation of the turntable 15 by the actuating lever 13, the fixed plate 17 rotates synchronously in conjunction with the rotating lever 14. With the cooperation of the fixed block 18, fixed arm 21, placement plate 19, pressure plate 22, cylinder 27, and first connecting rod 28, the clamped muffler rotates intermittently around the rotating lever 14 until it reaches its uppermost position. At this point, the reciprocating screw 5 continues to rotate. With the cooperation of the movable block 6 and support plate 7, combined with the bent rod 36 and the top... The arc-shaped structure on the pressure block 35 causes the top pressure block 35 to move to the top of the uppermost pressure plate 22 first, thereby limiting the top of the uppermost pressure plate 22. This allows the clamped and fixed muffler to be stably positioned between the uppermost pressure plate 22 and the placement plate 19. This solves the problem that the existing technology only uses the elasticity of the spring to clamp and fix the muffler to be processed. After long-term use, the elasticity of the spring will decrease, which can easily lead to unstable clamping of the muffler and affect the subsequent filling effect.

[0065] The reciprocating screw 5 continues to rotate, which in turn drives the filling head 8 to approach the uppermost silencer and fill it with cotton core. After filling, the movable block 6 moves away from the fixed plate 2. Under the action of the intermittent rotation mechanism, the filled silencer is rotated to the front. At this time, the operator removes the filled silencer. Through the intermittent rotation mechanism, the silencer is rotated intermittently. Combined with the reciprocating screw 5 driving the filling head 8 to move back and forth, the continuous operation of feeding, filling and unloading the silencer is realized, which ensures production progress and efficiency. It eliminates the need to use multiple electrical appliances and solves the problem that in the existing technology, when performing the core filling operation, it is necessary to repeatedly start and stop the motor and coordinate with the repeated extension and retraction of the electric push rod, which accelerates the wear and fatigue of the motor and electric push rod and seriously shortens the service life of the motor and electric push rod. If the motor or electric push rod fails or is damaged, it will seriously affect the production progress. Moreover, both the motor and electric push rod require electric drive, which increases the operating cost of the core filling machine.

[0066] It should be further noted that the installation structure, connection method or setting method of each component in this invention are all common mechanical methods. As long as they can achieve their beneficial effects, they can be implemented. At the same time, the servo motor 26 and cylinder 27 in this invention are purchased from the market. Those skilled in the art can install and use them according to the requirements.

[0067] The filling head 8 is a prior art technology disclosed in the existing patent cited in the background technology, and its specific structure, working principle and usage method will not be described in detail here.

[0068] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0069] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A rapid filling machine for sound-absorbing cotton in automotive mufflers, comprising a support platform (1), characterized in that, A fixing plate (2) is provided on the upper side of the support platform (1). Support arms (4) are fixed between the front and rear sides of the fixing plate (2) and the support platform (1). A vertical plate (3) is fixed on one side of the top of the support platform (1). A reciprocating screw (5) is provided between the vertical plate (3) and the fixing plate (2). A movable block (6) is threaded on the reciprocating screw (5). A support plate (7) is fixed on the top of the movable block (6). Several filling heads (8) are fixed on the end of the support plate (7) away from the movable block (6). A fixed plate (17) is provided on the side of the fixed plate (2) away from the reciprocating screw (5). Several fixed blocks (18) are fixed on the peripheral surface of the fixed plate (17). Two fixed arms (21) are fixed on the outer wall of the fixed blocks (18). A placement plate (19) is fixed between the ends of two adjacent fixed arms (21). A pressure plate (22) is provided on the side of the placement plate (19) away from the fixed arms (21). An intermittent rotation mechanism is provided between the reciprocating screw (5) and the fixed plate (17). A lifting plate (24) is slidably sleeved between two adjacent fixed arms (21). Fasteners are provided on the pressure plate (22) and between the lifting plate (24).

2. The rapid filling machine for sound-absorbing cotton in an automotive muffler according to claim 1, characterized in that, The placement plate (19) has several placement slots (20), and the pressure plate (22) has several limiting slots (23) on the side close to the placement plate (19). The filling head (8) corresponds to the limiting slots (23) and the placement slots (20) one by one and cooperates with each other.

3. A rapid filling machine for sound-absorbing cotton in an automotive muffler according to claim 2, characterized in that, The reciprocating screw (5) is provided with support rods (25) on both the front and rear sides. The support rods (25) are fixed between the fixed plate (2) and the upright plate (3), and the support rods (25) pass through the movable block (6). The movable block (6) and the support rods (25) are in sliding cooperation.

4. A rapid filling machine for sound-absorbing cotton in an automotive muffler according to claim 3, characterized in that, A servo motor (26) is installed on one side of the upright plate (3), and the output end of the servo motor (26) is connected to one end of the reciprocating lead screw (5).

5. A rapid filling machine for sound-absorbing cotton in an automotive muffler according to claim 4, characterized in that, The intermittent rotation mechanism includes a rotating shaft (9), which is rotatably embedded in a fixed plate (2). The end of the reciprocating screw (5) away from the vertical plate (3) is fixedly connected to the rotating shaft (9). A disc (10) is fixed to the end of the rotating shaft (9) away from the reciprocating screw (5). A clearance groove (11) is provided through the disc (10). A strip plate (12) is fixed to one side of the inner wall of the clearance groove (11). A lever (13) is fixed to the side of the strip plate (12) away from the rotating shaft (9).

6. A rapid filling machine for sound-absorbing cotton in an automotive muffler according to claim 5, characterized in that, A rotating rod (14) is provided on the upper side of the rotating shaft (9). The rotating rod (14) is rotatably engaged with the fixed plate (2). The end of the rotating rod (14) away from the fixed plate (2) is fixedly connected to the fixed disk (17). A turntable (15) is fixedly sleeved on the outer wall of the rotating rod (14). Several arc-shaped grooves are opened on the circumferential side of the turntable (15). The outer wall of the disc (10) is engaged with the arc-shaped grooves. Several actuating grooves (16) are opened opposite each other on the circumferential side of the turntable (15). The actuating grooves (16) are spaced apart from the arc-shaped grooves. The actuating rod (13) is engaged with the actuating grooves (16).

7. A rapid filling machine for sound-absorbing cotton in an automotive muffler according to claim 1, characterized in that, The fastener includes a cylinder (27), which is located at one end of the fixed block (18) away from the fixed plate (17). The telescopic end of the cylinder (27) is fixedly connected to the adjacent lifting plate (24). A first connecting rod (28) is fixedly connected between the bottom of the lifting plate (24) and the side of the adjacent pressure plate (22).

8. A rapid filling machine for sound-absorbing cotton in an automotive muffler according to claim 7, characterized in that, The support platform (1) has a notch (29), and the bottom of the movable block (6) is fixed with a fixed connecting rod (30). The end of the fixed connecting rod (30) away from the movable block (6) is fixed with a connecting plate (31). The side of the connecting plate (31) away from the fixed connecting rod (30) is fixed with several push rods (32). The push rods (32) correspond one-to-one with the limiting grooves (23) and cooperate with each other.

9. A rapid filling machine for sound-absorbing cotton in an automotive muffler according to claim 1, characterized in that, The fastener includes a compression spring (33), which is sleeved on the outside of the fixed arm (21). The two ends of the compression spring (33) are fixedly connected to the placement plate (19) and the lifting plate (24) respectively. Two second connecting rods (34) are fixedly connected between the side of the lifting plate (24) near the compression spring (33) and the side wall of the adjacent pressure plate (22).

10. A rapid filling machine for sound-absorbing cotton in an automotive muffler according to claim 9, characterized in that, A bent rod (36) is fixed at the top of the support plate (7). A top pressure block (35) is fixed at the end of the bent rod (36) away from the support plate (7). The lower part of the end of the top pressure block (35) away from the bent rod (36) is an arc-shaped structure. The top pressure block (35) cooperates with the top surface of the uppermost pressure plate (22).