A sound-absorbing cotton welding device

Abstract

The utility model discloses a sound-absorbing cotton welding device, including a machine body, a bearing platform is provided on the machine body, a welding mechanism is detachably connected above the bearing platform, a plurality of fixing holes are provided on the bearing platform, a rotating clamping sleeve is provided in the fixing holes, a bearing plate is provided on the bearing platform, a plurality of clamping holes corresponding to the fixing holes are provided on the bearing plate, a clamping piece is provided in the clamping hole, and the bearing plate is clamped into the rotating clamping sleeve by rotating the clamping piece to realize the detachable connection between the bearing plate and the bearing platform. The rotating clamping sleeve and the clamping piece are used to cooperate between the bearing platform and the bearing plate to realize rapid installation and disassembly, reduce equipment downtime, and improve work efficiency. In addition, the bearing plate improves the adaptability of the equipment. By replacing the bearing plate, the welding requirements of different shapes, sizes and materials can be met, further expanding the scope of application of the equipment.

Description

Technical Field

[0001] The utility model relates to the field of automobile parts processing, in particular to a sound-absorbing cotton welding device. Background Art

[0002] As a sound-absorbing material with good performance, sound-absorbing cotton is widely used in the fields of automobile interior decoration, architectural decoration, etc., such as automobile door interior panels, engine hoods, dashboards, roofs, etc. As people's requirements for quality of life and comfort continue to increase, the application scope of sound-absorbing cotton is also expanding.

[0003] A Chinese utility model patent with a Chinese publication number of "CN218777112U" discloses a sound-absorbing cotton welding device, including: a chassis; a workbench, which can be moved forward and backward and is arranged in the chassis, and a placement groove is opened on it, and the placement groove matches the shape of the automobile lift door trim; a first power component, which provides power for the movement of the workbench; a plurality of clamping members, which are used to clamp the automobile lift door trim in the placement groove; and a plurality of welding members, which are used to weld the sound-absorbing cotton to the automobile lift door trim.

[0004] However, the above-mentioned sound-absorbing cotton welding equipment still has the following defects:

[0005] First, the welded parts can only be welded at fixed positions, the welding range is relatively narrow, and it is impossible to weld at welding points in different positions;

[0006] Second, different specifications of automobile trim panels require replacement of placement slots of different sizes, which is more complicated and inconvenient for welding.

[0007] Therefore, it is necessary to make improvements to the above-mentioned defects. Utility Model Content

[0008] The utility model aims to provide a sound-absorbing cotton welding device to solve the above problems existing in the prior art.

[0009] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a sound-absorbing cotton welding equipment, including a body, a carrying platform is provided on the body, a welding mechanism is detachably connected above the carrying platform, a plurality of fixing holes are opened on the carrying platform, a rotating clamping sleeve is provided in the fixing holes, a carrying plate is provided on the carrying platform, a plurality of clamping holes corresponding to the fixing holes are opened on the carrying plate, a clamping piece is provided in the clamping hole, and the carrying plate is clamped into the rotating clamping sleeve by rotating the clamping piece to realize the detachable connection between the carrying plate and the carrying platform.

[0010] By adopting the above technical solution: the rotating clamp sleeve and the clamping piece are used between the load-bearing platform and the load-bearing plate to achieve quick installation and removal, reduce equipment downtime, and improve work efficiency. At the same time, the precise matching of the fixing hole and the clamping hole ensures the stability of the load-bearing plate during welding, effectively improves the welding accuracy, and extends the service life of the equipment. In addition, the load-bearing plate improves the adaptability of the equipment. By replacing the load-bearing plate, it can meet the welding needs of different shapes, sizes and materials, further expanding the scope of application of the equipment.

[0011] The above-mentioned sound-absorbing cotton welding equipment can be further configured as follows: a lifting device is provided under the carrying platform, the lifting device includes a top plate, an upper lifting cylinder and a connecting plate, the top plate can be against the carrying plate, the upper lifting cylinder can be detachably connected to the side of the top plate away from the carrying plate and fixed to the connecting plate, a hinged rod is provided between the connecting plate and the carrying platform, a moving rod is provided on the top plate that passes through the carrying platform, and a moving slider is provided on the outer periphery of the moving rod.

[0012] By adopting the above technical solution: the top plate and the load-bearing plate are against each other, which can accurately support the load-bearing plate, and the upper cylinder is fixed by the connecting plate to provide stable lifting power, so as to realize the rapid lifting and lowering of the load-bearing plate. The articulated rod and the movable slider enhance the flexibility and stability of the device, so that the load-bearing plate can be lifted a certain distance by the lifting device, thereby realizing the height adjustment of the load-bearing plate, improving the welding accuracy and efficiency, and reducing the complexity of manual operation.

[0013] The above-mentioned sound-absorbing cotton welding equipment can be further configured as follows: a handle is provided at the upper edge of the carrying plate, and the handle is hinged to the carrying plate.

[0014] By adopting the above technical solution: the setting of the handle makes it convenient for the operator to quickly grab and move the carrier plate, especially when frequently replacing the sound-absorbing cotton or performing equipment maintenance, which can significantly improve work efficiency. When frequently replacing the sound-absorbing cotton or performing equipment maintenance, which can significantly improve work efficiency.

[0015] The above-mentioned sound-absorbing cotton welding equipment can be further configured as follows: a bearing block is provided on the bearing plate, and a plurality of limiting plates are provided on the outer peripheral side of the bearing block, and the limiting plates can limit the edges of the interior decoration parts.

[0016] By adopting the above technical solution: the bearing block provides stable support for the interior decoration parts, and the limit plate can accurately limit the edge of the interior decoration parts to prevent them from shifting due to external forces during the welding process, effectively improving the stability and consistency of welding, ensuring the uniformity and firmness of the sound-absorbing cotton welding, thereby improving product quality. At the same time, the setting of the limit plate reduces the operation steps of manually fixing the interior decoration parts and improves production efficiency. In addition, the limit plate can be adjusted or replaced according to the shape and size of different interior decoration parts, which enhances the versatility and adaptability of the equipment, enabling it to meet the welding needs of a variety of interior decoration parts.

[0017] The above-mentioned sound-absorbing cotton welding equipment can be further configured as: the welding mechanism includes a multi-degree-of-freedom robotic arm and a welding gun, the robotic arm includes a fixed table, a rotating table, a first connecting arm, a second connecting arm and a third connecting arm, the rotating table can rotate circumferentially relative to the fixed table, one end of the first connecting arm is rotatably connected to the end of the rotating table, and the other end is hinged to the second connecting arm, one end of the third connecting arm is rotatably connected to the second connecting arm away from one end of the first connecting arm, and the other end is detachably connected to the welding gun.

[0018] By adopting the above technical solution: the rotating table can rotate circumferentially relative to the fixed table, providing a full range of motion for welding operations; the multi-point connection design of the first connecting arm, the second connecting arm and the third connecting arm enables the welding gun to move flexibly in three-dimensional space and accurately locate the welding point. The detachable connection between the welding gun and the third connecting arm is convenient for replacement and maintenance, further improving the practicality of the equipment. It can not only meet the welding needs of complex-shaped sound-absorbing cotton interior parts, but also realize automated welding operations and improve welding efficiency and quality.

[0019] The above-mentioned sound-absorbing cotton welding equipment can be further configured as follows: a rotating part is opened at one end of the third connecting arm away from the second connecting arm, the rotating part is hinged with a horizontal rotating rod, one end of the horizontal rotating rod is hinged to the third connecting arm, and the other end is provided with a circumferential rotating rod, and the welding gun is detachably connected to the end of the circumferential rotating rod away from the horizontal rotating rod.

[0020] By adopting the above technical solution: the rotating part is hinged with the horizontal rotating rod so that the welding gun can be rotated and adjusted in the horizontal direction, and the circumferential rotating rod provides the welding gun with additional circumferential rotation freedom, so that the welding gun can be more accurately aligned with the welding point, adapting to the welding requirements of complex shapes and different angles, and further improving the welding quality and efficiency. In addition, the detachable connection design between the welding gun and the circumferential rotating rod facilitates the replacement and maintenance of the welding gun, reduces equipment downtime, and improves the use efficiency of the equipment.

[0021] The above-mentioned sound-absorbing cotton welding equipment can be further configured as follows: a first motor is provided at the connection between the fixed table and the rotating table, a second motor is provided at the hinge between the first connecting arm and the rotating table, a third motor is provided at the hinge between the second connecting arm and the first connecting arm, and a fourth motor is provided at the hinge between the third connecting arm and the second connecting arm.

[0022] By adopting the above technical solution: multiple motors can rotate the various connecting arms of the robot arm, realize multi-angle movement of the robot arm, and realize precise positioning and flexible movement of the welding gun in three-dimensional space, thereby improving the practicality of sound-absorbing cotton welding and adapting to the welding needs of sound-absorbing cotton of different shapes and sizes.

[0023] The above-mentioned sound-absorbing cotton welding equipment can be further configured as follows: a fixed plate is provided at the connection between the welding gun and the third connecting arm, a sliding plate is provided on the fixed plate, the sliding plate is symmetrically provided with accommodating grooves, an abutment block is provided on the fixed plate at the sliding plate, a limiting block is arranged between the fixed plate and the abutment block, the sliding plate is provided with a limiting rod, a limiting hole is provided in the middle of the limiting block, the sliding plate passes through the limiting hole through the limiting rod to realize sliding connection with the limiting block, a spring is provided on the outer periphery of the limiting rod, one end of the spring abuts against the end face of the abutment block, and the other end abuts against the end face of the limiting block.

[0024] By adopting the above technical solution: the sliding plate is symmetrically provided with the receiving grooves, which can be adapted to a variety of welding guns, and the fast positioning and flexible adjustment of the welding gun can be realized through the sliding connection between the limit rod and the limit block. The elastic buffer function of the spring can absorb the vibration and impact force during the welding process, reduce the vibration of the welding gun, and optimize the welding accuracy and stability. It is not only compact and reliable, but also convenient for the rapid replacement and maintenance of the welding gun, further improving the use efficiency and operation convenience of the equipment.

[0025] The above-mentioned sound-absorbing cotton welding equipment can be further configured as follows: the fixed plate is also provided with a slide rail, a welding slider is slidably connected to the slide rail, a fixing groove is opened on the upper end surface of the sliding plate, and the welding slider is detachably connected to the fixing groove.

[0026] By adopting the above technical solution: a slide rail is set on the fixed plate, and the welding slider is slidably connected on the slide rail, and a fixing groove is opened on the upper surface of the sliding plate so that the welding slider can be detachably connected to the fixing groove. The sound-absorbing cotton welding equipment further improves the adjustment accuracy and flexibility of the welding gun, provides the welding gun with additional sliding freedom, and enables it to be fine-tuned on the fixed plate, further optimizing the welding position and angle. At the same time, the detachable connection between the welding slider and the fixing groove facilitates the rapid replacement or adjustment of the welding gun, improving the adaptability and maintenance efficiency of the equipment. This design not only enhances the positioning accuracy of the welding gun, but also improves the flexibility and stability of the equipment in complex welding tasks, further optimizes the overall performance of the sound-absorbing cotton welding equipment, and enables it to better meet the needs of high-precision welding.

[0027] The above-mentioned sound-absorbing cotton welding equipment can be further configured as follows: a control panel is provided on the machine body.

[0028] By adopting the above technical solution: setting a control panel on the machine body, the sound-absorbing cotton welding equipment further improves the convenience and intelligence of operation. As the core component of human-computer interaction, the control panel can centrally control the various functions of the welding equipment, including the setting of welding parameters, the motion control of the robotic arm, and the start and stop of the welding process. It also allows operators to quickly adjust the equipment status through an intuitive operation interface, achieve precise welding, reduce manual intervention, and improve welding efficiency and quality. In addition, the control panel can also integrate functions such as fault diagnosis and alarm prompts to facilitate equipment maintenance and management, further improving equipment reliability and user experience.

[0029] The beneficial effects of the utility model are:

[0030] First, place the load-bearing plate on the load-bearing platform, and clamp the load-bearing plate to the load-bearing platform by rotating the clamping sleeve. The welding gun on the robot arm welds the sound-absorbing cotton on the interior decoration. After welding is completed, rotate the clamping sleeve in the opposite direction to unlock the load-bearing plate and the load-bearing platform. The lifting device lifts the load-bearing plate. Workers can move and replace the load-bearing plate through the handle on the load-bearing plate. The disassembly and replacement of the load-bearing plate is convenient and quick.

[0031] Second, the robot arm can move freely in multiple positions through multiple connecting arms, so as to achieve welding of various parts of the sound-absorbing cotton of the interior decoration parts. At the same time, combined with the control panel, the movement state of the robot arm can be accurately controlled, thereby improving the practicality and reliability of the equipment.

[0032] The utility model is further described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a schematic diagram of the overall structure of the sound-absorbing cotton welding equipment of the utility model;

[0034] Figure 2 This is a schematic diagram of the disassembly of the sound-absorbing cotton welding equipment of the utility model;

[0035] Figure 3 It is a structural schematic diagram of the load-bearing platform of the utility model;

[0036] Figure 4 It is a structural schematic diagram of the load-bearing plate of the utility model;

[0037] Figure 5 It is a structural schematic diagram of the jacking device of the utility model;

[0038] Figure 6 It is a structural schematic diagram of the welding mechanism of the utility model;

[0039] Figure 7 It is a disassembled schematic diagram of the welding mechanism of the utility model;

[0040] Figure 8 It is a structural schematic diagram of the fixed plate and the sliding plate of the utility model;

[0041] Reference numerals: machine body 1, carrying platform 11, fixing hole 111, rotating clamp sleeve 112, lifting device 12, top plate 121, upper cylinder 122, connecting plate 123, hinged rod 124, moving rod 125, moving slider 126, welding mechanism 2, mechanical arm 21, fixed platform 211, rotating platform 212, first connecting arm 213, second connecting arm 214, third connecting arm 215, rotating part 2151, horizontal rotating rod 2152, circumferential rotating rod 2153 , first motor 216, second motor 217, third motor 218, fourth motor 219, welding gun 22, fixed plate 221, slide rail 2211, sliding plate 222, welding slider 2221, fixed groove 2222, accommodating groove 223, abutment block 224, limit block 225, limit rod 226, limit hole 227, spring 228, bearing plate 3, snap-in hole 31, snap-in part 32, handle 33, bearing block 34, limit plate 35, control panel 4, interior decoration 5. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] like Figures 1 to 7 As shown Figures 1 to 8 The sound-absorbing cotton welding equipment shown in the figure comprises a body 1, a carrying platform 11 is provided on the body 1, a welding mechanism 2 is detachably connected above the carrying platform 11, a plurality of fixing holes 111 are provided on the carrying platform 11, a rotating clamping sleeve 112 is provided in the fixing hole 111, a carrying plate 3 is provided on the carrying platform 11, a plurality of clamping holes 31 corresponding to the fixing holes 111 are provided on the carrying plate 3, a clamping member 32 is provided in the clamping hole 31, and the carrying plate 3 is clamped into the rotating clamping sleeve 112 by rotating the clamping member 32 to realize the detachable connection between the carrying plate 3 and the carrying platform 11. The rotating clamping sleeve 112 and the clamping member 32 are used to cooperate between the carrying platform 11 and the carrying plate 3 to realize rapid installation and disassembly, reduce equipment downtime, and improve work efficiency. At the same time, the precise cooperation between the fixing hole 111 and the clamping hole 31 ensures the stability of the carrying plate 3 during welding, effectively improves welding accuracy, and prolongs the service life of the equipment. In addition, the load-bearing plate 3 improves the adaptability of the equipment. By replacing the load-bearing plate 3, the welding requirements of different shapes, sizes and materials can be met, further expanding the application scope of the equipment.

[0044] A lifting device 12 is provided below the carrying platform 11. The lifting device 12 includes a top plate 121, an upper lifting cylinder 122 and a connecting plate 123. The top plate 121 can be against the carrying plate 3. The upper lifting cylinder 122 is detachably connected to the top plate 121 away from the side of the carrying plate 3 and fixed on the connecting plate 123. A hinged rod 124 is provided between the connecting plate 123 and the carrying platform 11. The top plate 121 penetrates the carrying platform 11 and is provided with a moving rod 125. The connecting plate 123 is provided with a moving slider 126 on the periphery of the moving rod 125. The top plate 121 is against the carrying plate 3 and can accurately support the carrying plate 3. The upper lifting cylinder 122 is fixed by the connecting plate 123, providing a stable lifting power to realize the rapid lifting and lowering of the carrying plate 3. The hinged rod 124 and the moving slider 126 enhance the flexibility and stability of the device, so that the carrying plate 3 can be lifted a certain distance by the lifting device 12, thereby realizing the height adjustment of the carrying plate 3, improving the welding accuracy and efficiency, and reducing the complexity of manual operation.

[0045] A handle 33 is provided at the upper edge of the carrying plate 3, and the handle 33 is hinged to the carrying plate 3. The setting of the handle 33 is convenient for the operator to quickly grab and move the carrying plate 3, especially when the sound-absorbing cotton is frequently replaced or the equipment is maintained, which can significantly improve the work efficiency.

[0046] A bearing block 34 is provided on the bearing plate 3, and a plurality of limiting plates 35 are provided on the outer peripheral side of the bearing block 34 of the bearing plate 3. The limiting plates 35 can limit the edge of the interior decoration 5. The bearing block 34 provides a stable support for the interior decoration 5, and the limiting plates 35 can accurately limit the edge of the interior decoration 5 to prevent it from shifting due to external force during the welding process, effectively improving the stability and consistency of welding, ensuring the uniformity and firmness of the sound-absorbing cotton welding, and thus improving product quality. At the same time, the setting of the limiting plates 35 reduces the operation steps of manually fixing the interior decoration 5 and improves production efficiency. In addition, the limiting plates 35 can be adjusted or replaced according to the shapes and sizes of different interior decorations 5, which enhances the versatility and adaptability of the equipment and enables it to meet the welding requirements of various interior decorations 5.

[0047] The welding mechanism 2 includes a multi-degree-of-freedom mechanical arm 21 and a welding gun 22. The mechanical arm 21 includes a fixed platform 211, a rotating platform 212, a first connecting arm 213, a second connecting arm 214 and a third connecting arm 215. The rotating platform 212 can rotate relative to the fixed platform 211. One end of the first connecting arm 213 is rotatably connected to the end of the rotating platform 212, and the other end is hinged to the second connecting arm 214. One end of the third connecting arm 215 is rotatably connected to the second connecting arm 214 away from one end of the first connecting arm 213, and the other end is detachably connected to the welding gun 22. The rotating platform 212 can rotate relative to the fixed platform 211, providing a full range of motion for welding operations; the multi-point connection design of the first connecting arm 213, the second connecting arm 214 and the third connecting arm 215 enables the welding gun 22 to move flexibly in three-dimensional space and accurately locate the welding point. The detachable connection between the welding gun 22 and the third connecting arm 215 facilitates replacement and maintenance, further improving the practicality of the equipment. It can not only meet the welding needs of complex-shaped sound-absorbing cotton interior parts 5, but also realize automated welding operations and improve welding efficiency and quality.

[0048] The third connecting arm 215 is provided with a rotating portion 2151 at one end away from the second connecting arm 214, and the rotating portion 2151 is hinged with a horizontal rotating rod 2152. One end of the horizontal rotating rod 2152 is hinged with the third connecting arm 215, and the other end is provided with a circumferential rotating rod 2153. The welding gun 22 is detachably connected to the end of the circumferential rotating rod 2153 away from the horizontal rotating rod 2152. The rotating portion 2151 is hinged with the horizontal rotating rod 2152 so that the welding gun 22 can be rotated and adjusted in the horizontal direction, and the circumferential rotating rod 2153 provides the welding gun 22 with an additional circumferential rotational degree of freedom, so that the welding gun 22 can be more accurately aligned with the welding point, adapt to the welding requirements of complex shapes and different angles, and further improve the welding quality and efficiency. In addition, the detachable connection design between the welding gun 22 and the circumferential rotating rod 2153 facilitates the replacement and maintenance of the welding gun 22, reduces the equipment downtime, and improves the equipment utilization efficiency.

[0049] A first motor 216 is provided at the connection between the fixed platform 211 and the rotating platform 212, a second motor 217 is provided at the hinge between the first connecting arm 213 and the rotating platform 212, a third motor 218 is provided at the hinge between the second connecting arm 214 and the first connecting arm 213, and a fourth motor 219 is provided at the hinge between the third connecting arm 215 and the second connecting arm 214. Multiple motors can rotate each connecting arm of the mechanical arm 21, realize multi-angle movement of the mechanical arm 21, realize accurate positioning and flexible movement of the welding gun 22 in three-dimensional space, improve the practicality of sound-absorbing cotton welding, and meet the welding needs of sound-absorbing cotton of different shapes and sizes.

[0050] A fixed plate 221 is provided at the connection between the welding gun 22 and the third connecting arm 215, and a sliding plate 222 is provided on the fixed plate 221. The sliding plate 222 is symmetrically provided with a receiving groove 223, and the fixed plate 221 is provided with an abutment block 224 at the sliding plate 222. A limiting block 225 is arranged between the fixed plate 221 and the abutment block 224, and the sliding plate 222 is provided with a limiting rod 226. A limiting hole 227 is opened in the middle of the limiting block 225. The sliding plate 222 is slidably connected with the limiting block 225 by the limiting rod 226 passing through the limiting hole 227. A spring 228 is provided on the outer periphery of the limiting rod 226, and one end of the spring 228 abuts against the end face of the abutment block 224, and the other end abuts against the end face of the limiting block 225. The sliding plate 222 is symmetrically provided with the receiving grooves 223, which can be adapted to a variety of welding guns 22. At the same time, the limiting rod 226 is slidably connected with the limiting block 225 to realize the rapid positioning and flexible adjustment of the welding gun 22. The elastic buffer function of the spring 228 can absorb the vibration and impact force during the welding process, reduce the vibration of the welding gun 22, and optimize the welding accuracy and stability. It is not only compact and reliable, but also convenient for the rapid replacement and maintenance of the welding gun 22, further improving the use efficiency and operation convenience of the equipment.

[0051] The fixed plate 221 is also provided with a slide rail 2211, on which a welding slider 2221 is slidably connected, and a fixing groove 2222 is provided on the upper end surface of the sliding plate 222, and the welding slider 2221 is detachably connected to the fixing groove 2222. The slide rail 2211 is provided on the fixed plate 221, and the welding slider 2221 is slidably connected to the slide rail 2211, and a fixing groove 2222 is provided on the upper end surface of the sliding plate 222, so that the welding slider 2221 is detachably connected to the fixing groove 2222. The sound-absorbing cotton welding equipment further improves the adjustment accuracy and flexibility of the welding gun 22, provides the welding gun 22 with additional sliding freedom, and enables it to be fine-tuned on the fixed plate 221, further optimizing the welding position and angle. At the same time, the detachable connection between the welding slider 2221 and the fixing groove 2222 facilitates the rapid replacement or adjustment of the welding gun 22, and improves the adaptability and maintenance efficiency of the equipment. This design not only enhances the positioning accuracy of the welding gun 22, but also improves the flexibility and stability of the equipment in complex welding tasks, and further optimizes the overall performance of the sound-absorbing cotton welding equipment, so that it can better meet the needs of high-precision welding.

[0052] A control panel 4 is arranged on the machine body 1, and the sound-absorbing cotton welding equipment further improves the convenience and intelligence level of operation. As the core component of human-computer interaction, the control panel 4 can centrally control various functions of the welding equipment, including the setting of welding parameters, the motion control of the robot arm 21, and the start and stop of the welding process, and enables the operator to quickly adjust the equipment status through an intuitive operation interface, achieve precise welding, reduce manual intervention, and improve welding efficiency and quality. In addition, the control panel 4 can also integrate functions such as fault diagnosis and alarm prompts to facilitate the maintenance and management of the equipment, and further improve the reliability of the equipment and user experience.

[0053] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A sound-absorbing cotton welding device, comprising a body, a carrying platform is provided on the body, a welding mechanism is detachably connected above the carrying platform, and is characterized in that: The carrying platform is provided with a plurality of fixing holes, and a rotating clamping sleeve is provided in the fixing holes. The carrying platform is provided with a carrying plate, and the carrying plate is provided with a plurality of clamping holes corresponding to the fixing holes, and a clamping piece is provided in the clamping hole. The carrying plate is clamped into the rotating clamping sleeve by rotating the clamping piece to realize the detachable connection between the carrying plate and the carrying platform.

2. The sound-absorbing cotton welding equipment according to claim 1 is characterized in that: A lifting device is provided under the carrying platform, and the lifting device includes a top plate, an upper lifting cylinder and a connecting plate. The top plate can be abutted against the carrying plate, and the upper lifting cylinder is detachably connected to the side of the top plate away from the carrying plate and fixed to the connecting plate. A hinged rod is provided between the connecting plate and the carrying platform, and a moving rod is provided on the top plate that passes through the carrying platform, and a moving slider is provided on the outer periphery of the moving rod.

3. The sound-absorbing cotton welding equipment according to claim 2 is characterized in that: A handle is provided at the upper edge of the carrying plate, and the handle is hinged to the carrying plate.

4. The sound-absorbing cotton welding equipment according to claim 3 is characterized in that: The bearing plate is provided with a bearing block, and the bearing plate is provided with a plurality of limiting plates on the outer peripheral side of the bearing block, and the limiting plates can limit the edge of the interior decoration part.

5. The sound-absorbing cotton welding equipment according to claim 1 is characterized in that: The welding mechanism includes a multi-degree-of-freedom robotic arm and a welding gun. The robotic arm includes a fixed table, a rotating table, a first connecting arm, a second connecting arm and a third connecting arm. The rotating table can rotate circumferentially relative to the fixed table. One end of the first connecting arm is rotatably connected to the end of the rotating table, and the other end is hinged to the second connecting arm. One end of the third connecting arm is rotatably connected to the second connecting arm away from one end of the first connecting arm, and the other end is detachably connected to the welding gun.

6. The sound-absorbing cotton welding equipment according to claim 5 is characterized in that: The third connecting arm is provided with a rotating part at one end away from the second connecting arm, and the rotating part is hinged with a horizontal rotating rod. One end of the horizontal rotating rod is hinged with the third connecting arm, and the other end is provided with a circumferential rotating rod. The welding gun is detachably connected to the end of the circumferential rotating rod away from the horizontal rotating rod.

7. The sound-absorbing cotton welding equipment according to claim 6 is characterized in that: A first motor is provided at the connection between the fixed platform and the rotating platform, a second motor is provided at the hinge between the first connecting arm and the rotating platform, a third motor is provided at the hinge between the second connecting arm and the first connecting arm, and a fourth motor is provided at the hinge between the third connecting arm and the second connecting arm.

8. The sound-absorbing cotton welding equipment according to claim 7 is characterized in that: A fixed plate is provided at the connection between the welding gun and the third connecting arm, a sliding plate is provided on the fixed plate, and accommodating grooves are symmetrically provided on the sliding plate. An abutment block is provided on the fixed plate at the sliding plate, and a limiting block is provided between the fixed plate and the abutment block. The sliding plate is provided with a limiting rod, and a limiting hole is provided in the middle of the limiting block. The sliding plate is slidably connected with the limiting block by passing the limiting rod through the limiting hole. A spring is provided on the periphery of the limiting rod, and one end of the spring abuts against the end face of the abutment block, and the other end abuts against the end face of the limiting block.

9. The sound-absorbing cotton welding equipment according to claim 8 is characterized in that: The fixing plate is also provided with a slide rail, on which a welding slider is slidably connected, and a fixing groove is provided on the upper surface of the sliding plate, and the welding slider is detachably connected in the fixing groove.

10. The sound-absorbing cotton welding equipment according to any one of claims 1 to 9, characterized in that: A control panel is arranged on the machine body.

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