CN115139069A

CN115139069A - Muffler assembly apparatus and method

Info

Publication number: CN115139069A
Application number: CN202110348868.0A
Authority: CN
Inventors: 白杰; 李雪
Original assignee: AECC Commercial Aircraft Engine Co Ltd
Current assignee: AECC Commercial Aircraft Engine Co Ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2022-10-04
Anticipated expiration: 2041-03-31
Also published as: CN115139069B

Abstract

The invention relates to a silencing assembly device and a method, wherein the silencing assembly device comprises a slicing device (100) and an implanting device (200), the slicing device (100) is configured to cut a lining base material (30) to obtain a sheet-shaped lining (10), the implanting device (200) is arranged at the downstream of the slicing device (100) and is configured to receive the lining (10) and place the lining (10) into a silencing pipe (20) capable of forming a honeycomb-shaped silencing assembly. The assembling device can realize automatic acquisition and automatic implantation of the bushing, and effectively improve the assembling efficiency.

Description

Muffler assembly apparatus and method

Technical Field

The invention relates to the technical field of mechanical assembly, in particular to a device and a method for assembling a silencing assembly.

Background

Civil aircraft generally select the turbofan engine as power device, and the turbofan engine can produce very big noise in the operation, seriously influences passenger's flight experience.

As shown in fig. 1, a nacelle of an aircraft engine comprises an air intake duct 1, a fan casing 2, a thrust reverser 3 and a jet nozzle 4, and in order to reduce the influence of noise on passengers, an acoustic liner structure is usually designed in the air intake duct 1 and the thrust reverser 3 to reduce noise, so as to improve the comfort of an aircraft cabin.

At present, as shown in fig. 2, the acoustic lining structure adopted in the airplane nacelle generally comprises a panel 5, a honeycomb structure layer 6 and a back plate 7, the honeycomb generally adopts a single-layer structure and has a single degree of freedom, and the noise reduction effect of the acoustic lining structure is not ideal.

In order to improve the noise reduction effect, in the related technology, a sound lining structure with a silencing lining embedded in a single-layer honeycomb is adopted, the sound lining structure has double degrees of freedom and even multiple degrees of freedom, and the noise reduction effect is greatly improved.

However, in the acoustic lining structure with two or more degrees of freedom, in which the acoustic lining liner is embedded, the number of the acoustic pipes forming the honeycomb structure layer is large, so that the number of the liners to be implanted is large, and the liners are required to be implanted into the preset positions.

It is noted that the information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Disclosure of Invention

The embodiment of the invention provides a device and a method for assembling a silencing assembly, which effectively improve the assembly efficiency.

According to an aspect of the present invention, there is provided a muffler assembly assembling apparatus comprising:

a slicing device configured to cut the liner base material to obtain a sheet-like liner; and

an implant device disposed downstream of the sectioning device and configured to receive the liner and place the liner into a muffler tube capable of forming a honeycomb-shaped muffler assembly.

In some embodiments, the slicing apparatus comprises:

an unwinder configured to unwind the rolled liner base material;

a winder disposed downstream of the uncoiler and configured to wind the cut liner base material; and

a cutter disposed between the uncoiler and the coiler and configured to cut the liner substrate.

In some embodiments, the skiving apparatus further comprises a tractor disposed between the uncoiler and the coiler for leveling the liner substrate.

In some embodiments, the noise attenuation module assembly apparatus further comprises a delivery device disposed between the slicing device and the implanting device and configured to deliver the liner, the delivery device being located below the cutting knife 103.

In some embodiments, an implant device comprises:

a first transport device configured to receive the liner and transport the liner to the first end of the muffler pipe; and

a second carrying device configured to carry the bush from the first end to a predetermined position inside the muffler pipe and connect the bush with the muffler pipe.

In some embodiments, the first transport device includes a robot arm and an adsorption head mounted on the robot arm and capable of adsorbing the liner.

In some embodiments, the second conveying device comprises a conveying piece and a flexible piece, the flexible piece is connected to the end of the conveying piece, the size of the conveying piece is smaller than the pipe diameter of the silencing pipe, the size of the flexible piece is larger than the pipe diameter of the silencing pipe, the conveying piece is movable relative to the silencing pipe to push the flexible piece and the lining to move, and the flexible piece deforms during movement to enable the edge part of the lining to abut against the inner wall of the silencing pipe.

In some embodiments, a flow passage is formed in the conveying member, adhesive is stored in the flow passage, the flexible member can form a groove in the process of conveying the lining, the groove is used for receiving and temporarily storing the adhesive flowing out of the flow passage, and the flexible member can be reversely turned to enable the adhesive to flow out in the process of withdrawing the silencing pipe.

In some embodiments, the implant device further comprises a positioning device for measuring the length of the sound-muffling tube, and the second conveying device is in signal connection with the positioning device to determine the distance between the first end and the preset position according to the measurement result of the positioning device.

In some embodiments, the implant device further comprises a curing device for reinforcing the connection of the liner to the muffler pipe.

In some embodiments, the curing device comprises an infrared light heat source and a thermal oven.

In some embodiments, the implantation device comprises a support base and a turntable rotatably mounted on the support base, the second transport device, the positioning device and the curing device all being mounted on the turntable.

According to another aspect of the present invention, there is provided a muffler assembly assembling method, including:

cutting the liner base material to obtain a sheet-like liner; and

the bushing is placed into a muffler pipe capable of forming a honeycomb-shaped muffler assembly.

In some embodiments, prior to cutting the liner substrate to obtain the sheet-form liner, the muffler assembly method further comprises:

the rolled liner substrate is unwound and tensioned.

In some embodiments, cutting the liner substrate to obtain the sheet liner includes:

the cutter descends to the lining base material from top to bottom to cut the sheet lining, and the conveying device receives and conveys the lining.

In some embodiments, prior to placing the bushing into a muffler pipe capable of forming a honeycomb shaped muffler assembly, the muffler assembly method further comprises:

receiving and transporting the liner to a first end of the muffler pipe;

the bushing is transported from the first end to a predetermined location inside the muffler pipe and connected to the muffler pipe.

In some embodiments, the edge portion of the liner is brought into abutment with the inner wall of the muffler pipe during transport of the liner from the first end to a predetermined position inside the muffler pipe.

In some embodiments, the adhesive is released during transport of the liner from the first end to a predetermined position inside the muffler pipe to adhere the edge portion of the liner to the inner wall of the muffler pipe.

In some embodiments, a flexible member is connected to the end of the conveying member that pushes the bush in motion, the flexible member can form a groove during the conveying of the bush, the groove is used for receiving and temporarily storing the adhesive flowing out of the flow passage, and the flexible member can be reversely turned during the withdrawing of the silencing pipe to enable the adhesive to flow out.

In some embodiments, prior to transporting the bushing from the first end to a preset position inside the muffler pipe, the muffler assembly assembling method further comprises:

the length of the muffler pipe is measured to determine the distance between the first end and the preset position.

In some embodiments, after the bushing is bonded to the muffler pipe, the adhesive is cured using an infrared heat source, and then the entire muffler pipe and bushing are further cured using a heat oven.

In some embodiments, a second conveyor for receiving and conveying the liner to the first end of the muffler pipe, a positioning device for measuring the length of the muffler pipe, and a curing device for curing the adhesive and the entirety of the muffler pipe and the liner are mounted on a turntable rotatably mounted on the support base, the assembly method comprising: the second conveying device, the positioning device and the curing device are switched by rotating the turntable.

Based on the technical scheme, the bushing assembling device comprises the slicing device and the implanting device, the sheet-shaped bushing can be cut from the bushing base material through the slicing device, then the bushing is received through the implanting device and placed into the muffler pipe, automation from manufacturing the bushing to placing the bushing into the muffler pipe is achieved, compared with a manual implanting mode, the bushing assembling efficiency can be greatly improved, labor can be saved, and labor cost can be reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic structural view of an aircraft engine employing a muffler assembly according to an embodiment of the present invention.

Fig. 2 is a schematic view showing the overall structure of a muffler assembly assembled according to an embodiment of the muffler assembly assembling apparatus of the present invention.

Fig. 3 is a schematic structural view of a muffler assembly assembled by one embodiment of the muffler assembly assembling apparatus of the present invention.

Fig. 4 is a schematic structural view of one embodiment of the muffler assembly assembling apparatus of the present invention.

Fig. 5 is a schematic structural view of a slicing device in one embodiment of the assembling device for the muffler assembly of the present invention.

Fig. 6 is a schematic view showing the unfolded structure of three bushings in the embodiment of the muffler assembly assembling apparatus according to the present invention.

Fig. 7 is a schematic structural view of a first carrying device in one embodiment of the muffler assembly assembling apparatus according to the present invention.

Fig. 8 is a schematic structural view of a second carrying device, a positioning device and a curing device in one embodiment of the muffler assembly assembling apparatus according to the present invention.

Fig. 9 is a schematic view of an embodiment of the muffler assembly assembling apparatus of the present invention when measuring the length of the muffler pipe.

FIG. 10 is a schematic view of one embodiment of the muffler assembly apparatus of the present invention in preparation for shipping the bushing.

FIG. 11 is a partial schematic view of one embodiment of the muffler assembly apparatus of the present invention in preparation for shipping the liner.

FIG. 12 is a schematic view of one embodiment of the muffler assembly mounting apparatus of the present invention during shipping of the bushing.

Fig. 13 is a schematic view of the second carrying device being withdrawn from the muffler pipe in one embodiment of the muffler assembly assembling apparatus of the present invention.

Fig. 14 is a partial schematic view of the second carrying device being withdrawn from the muffler pipe in one embodiment of the assembling apparatus for the muffler assembly of the present invention.

FIG. 15 is a schematic view of one embodiment of the muffler assembly mounting assembly of the present invention as the adhesive is cured.

In the figure:

1. an air inlet channel; 2. a fan housing; 3. a thrust reverser; 4. a tail nozzle; 5. a panel; 6. a honeycomb structure layer; 7. a back plate;

10. a bushing; 11. an edge portion; 12. a central portion; 20. a muffler pipe; 30. a liner base material;

100. a slicing device; 200. an implant device; 300. a conveying device; 400. a slicing area; 500. an implant region;

101. an uncoiler; 102. a winding machine; 103. a cutter; 104. a tractor;

210. a first conveyance device; 211. a robot arm; 212. an adsorption head;

220. a second conveyance device; 221. a conveyance member; 222. a flexible member; 223. a flow channel; 224. an adhesive; 225. a groove;

230. a positioning device; 231. a probe; 232. a first support;

240. a curing device; 241. an infrared light heat source; 242. a second support;

250. a supporting seat; 260. a turntable.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the scope of the invention.

Referring to fig. 3 and 4, in some embodiments of the present invention, a muffler assembly apparatus is provided that includes a slicing apparatus 100 and an implanting apparatus 200, the slicing apparatus 100 being configured to cut a liner base material 30 to obtain a sheet-like liner 10, the implanting apparatus 200 being disposed downstream of the slicing apparatus 100, the implanting apparatus 200 being configured to receive the liner 10 and place the liner 10 into a muffler pipe 20 capable of forming a honeycomb-shaped muffler assembly.

In the above embodiment, the assembling device comprises the slicing device 100 and the implanting device 200, the slicing device 100 can cut the sheet-shaped lining 10 from the lining base material 30, and then the implanting device 200 can receive the lining 10 and place the lining 10 into the muffler pipe 20, so that the automation from the manufacturing of the lining 10 to the installation of the lining 10 into the muffler pipe 20 is realized, compared with the manual implantation method, the assembling efficiency of the lining 10 can be greatly improved, the labor can be saved, and the labor cost can be reduced.

In the above embodiment, the assembling apparatus includes the slicing apparatus 100, and the slicing apparatus 100 can cut the liner base material 30 to obtain the sheet-shaped liner 10, which can significantly improve the liner manufacturing efficiency and also contribute to the dimensional accuracy of the liner compared to the manner of obtaining the liner by manual cutting.

In the embodiment of the invention, the lining 10 is implanted into the preset position inside the silencing pipe 20, the lining 10 and the silencing pipe 20 form silencing components together, the two sides of the silencing components are respectively provided with the back plate 7 and the panel 5 with holes, and the plurality of silencing components, the panel 5 and the back plate 7 form a sound lining structure with silencing effect, and the sound lining structure is used for parts needing silencing, so that the noise can be reduced, and the influence on the outside is reduced.

The muffler pipe 20 is tubular, and the cross-sectional shape of the muffler pipe 20 is hexagonal. A plurality of muffling tubes 20 with liners 10 form a honeycomb layer 6. The perforated panel 5 and the honeycomb structure layer 6 form a plurality of Helmholtz resonant cavities connected in parallel, acoustic energy is converted into kinetic energy, the acoustic wave is dissipated, and the purpose of noise reduction is achieved.

As shown in fig. 5, in some embodiments, the slicing apparatus 100 includes an uncoiler 101, a coiler 102, and a cutter 103, the uncoiler 101 is configured to uncoil the coiled liner base material 30, the coiler 102 is disposed downstream of the uncoiler 101, the coiler 102 is configured to coil the cut liner base material 30, the cutter 103 is disposed between the uncoiler 101 and the coiler 102, and the cutter 103 is configured to cut the liner base material 30.

The liner base material 30, which is transported and stored in a roll, is easily unwound by providing an unwinder 101. By arranging the winding machine 102, the liner base material 30 can be flattened and tensioned together with the uncoiler 101, so that the cutting accuracy of the cutter 103 is facilitated.

The cutter 103 may be disposed above the liner base material 30, and the cutter 103 may be lowered onto the liner base material 30 from above to below, thereby cutting the liner base material 30.

The shape of the cutter 103 may be set to be the same as that of the sheet-like bush 10 to be obtained, so that the required bush 10 can be obtained after the cutter 103 is dropped.

The bush 10 includes edge portions 11 and a central portion 12, at least two edge portions 11 being arranged at intervals in a circumferential direction of the central portion 12. The edge portion 11 and the central portion 12 are fixedly connected or integrally formed. After the bushing 10 is installed in the muffler pipe 20, the central portion 12 is located in the middle of the muffler pipe 20, the edge portion 11 abuts against the pipe wall of the muffler pipe 20, and the bushing 10 is held at a predetermined position inside the muffler pipe 20 by the connection of the edge portion 11 to the pipe wall of the muffler pipe 20.

The sheet-like bush 10 is substantially in the shape of an "+" (asterisk). As shown in fig. 6, all three kinds of the bush 10 are in a hexagonal star shape except that the length of the edge portion 11 of the bush 10 in fig. a) is relatively long, the length of the edge portion 11 in fig. b) is next to that in fig. c), and the length of the edge portion 11 in fig. c) is minimum. Specifically, when cutting, the appropriate cutting knife 103 may be selected according to the cross-sectional shape of the muffling tube 20 to obtain an appropriate bush 10. The difference in shape of the bush 10 and the length of the edge portion 11 is mainly to facilitate the connection between the edge portion 11 and the wall of the muffler pipe 20.

The specific shape of the edge portion 11 is also flexible, for example, in fig. a) the edge portion 11 is provided with a tapered extension, and in fig. b) the end of the edge portion 11 is provided with a recess; the edge portion 11 in fig. c) is relatively flat and relatively short.

There may also be a number of options for the number of edge portions 11, such as two, three, four, five, six or more. The greater the number of the edge portions 11, the more firm the connection between the bush 10 and the muffler pipe 20.

In some embodiments, the skiving apparatus 100 further includes a tractor 104 disposed between the unwinder 101 and the winder 102, the tractor 104 for leveling the liner substrate 30.

Through setting up tractor 104, can further promote the roughness of bush substrate 30, make bush substrate 30 keep as far as possible smooth before the cutting to the shape and the size of the bush 10 that make the cutting out can be more accurate, reduce cutting error.

As shown in fig. 5, two tractors 104 are arranged between the uncoiler 101 and the coiler 102, so that the traction and flattening effects are better.

Tractor 104 may include a plurality of pulling rolls arranged one above the other, and liner substrate 30 passes between the pulling rolls arranged one above the other to effect the flattening and tensioning of liner substrate 30.

The slicing apparatus 100 of the present embodiment can quickly complete the manufacture of a batch of bushings 10.

In some embodiments, the noise dampening assembly device further includes a delivery device 300, the delivery device 300 being disposed between the slicing device 100 and the implant device 200 and used to deliver the liner 10.

By providing the conveying device 300, automatic conveyance between the slicing zone 400 and the implantation zone 500 is achieved, further improving the degree of automation.

The conveying device 300 may employ a conveyor belt or the like. The conveying device 300 may be disposed below the cutter 103. The conveying device 300 can be used as a cutting platform besides conveying the liner 10, the cutter 103 is dropped on the conveying plane of the conveying device 300 to complete cutting, and the cut liner 10 is taken away by the conveying device 300, so that the operations of collecting the liner 10 and placing the liner 10 on the conveying device 300 are omitted.

In some embodiments, the implant device 200 includes a first delivery device 210 and a second delivery device 220, the first delivery device 210 configured to receive the liner 10 and deliver the liner 10 to the first end of the muffler tube 20, the second delivery device 220 configured to deliver the liner 10 from the first end to a predetermined location inside the muffler tube 20 and connect the liner 10 with the muffler tube 20.

By providing the first conveying device 210, the liner 10 can be received from the conveying device 300 and moved along with the liner 10 to convey the liner 10 to the first end of the muffling tube 20, so that the second conveying device 220 can push the liner 10 inwards from the first end of the muffling tube 20 to convey the liner 10 from the first end to a preset position inside the muffling tube 20. The second carrying means 220 also enables the connection of the bush 10 with the muffler pipe 20 during the carrying, omitting a special connecting means.

As shown in fig. 7, in some embodiments, the first transporter 210 includes a robot 211 and an adsorption head 212 mounted on the robot 211 and capable of adsorbing the liner 10.

The robot arm 211 may be self-propelled to move the liner 10. The robot arm 211 may also be fixed relative to the ground, and the bushing 10 may be moved by bending and rotating the arm itself. The suction head 212 receives the liner 10 by suction and maintains suction of the liner 10 during transportation of the liner 10. Since the lining 10 is a sheet structure and has a small thickness, the lining 10 is protected by adsorption, and the lining 10 is prevented from being damaged.

In some embodiments, the second conveying device 220 includes a conveying element 221 and a flexible element 222, the flexible element 222 is connected to an end of the conveying element 221, the size of the conveying element 221 is smaller than the pipe diameter of the muffling pipe 20, the size of the flexible element 222 is larger than the pipe diameter of the muffling pipe 20, the conveying element 221 is movable relative to the muffling pipe 20 to push the flexible element 222 and the liner 10 to move, and the flexible element 222 deforms during the movement to enable the edge portion 11 of the liner 10 to abut against the inner wall of the muffling pipe 20.

By providing the flexible member 222 that can be deformed, when the flexible member 222 and the bush 10 are pushed together into the interior of the muffler pipe 20, the edge portion 11 of the bush 10 is driven to be bent by the deformation of the flexible member 222, thereby facilitating the abutment of the edge portion 11 against the inner wall of the muffler pipe 20.

The flexible member 222 may be made of a flexible and easily deformable material such as rubber.

The flexible member 222 is larger than the diameter of the muffler pipe 20, and can also press the edge portion 11 of the bushing 10 when the muffler pipe 20 is withdrawn, thereby improving the bonding firmness.

In some embodiments, a flow passage 223 is formed in the conveying member 221, the adhesive 224 is stored in the flow passage 223, the flexible member 222 can form a groove 225 during the conveying of the liner 10, the groove 225 is used for receiving and temporarily storing the adhesive 224 flowing out of the flow passage 223, and the flexible member 222 can be reversely turned during the process of exiting the muffler pipe 20 to allow the adhesive 224 to flow out.

By providing the flow passage 223, it is possible to store the adhesive 224 (such as glue or the like) and release the adhesive 224 when pushing in the bush 10, so that the adhesive 224 flows onto the inner wall of the bush 10 or the muffler pipe 20 during the pushing in or the withdrawing of the carrying member 221, and the adhesive connection of the bush 10 and the muffler pipe 20 is achieved.

By arranging the flexible member 222, and the size of the flexible member 222 is larger than the pipe diameter of the muffling pipe 20, in the process of conveying the liner 10, the flexible member 222 can be deformed under the thrust action of the conveying member 221 to be bent upwards to form a groove 225, the groove 225 is used for receiving and temporarily storing the adhesive 224 flowing out from the flow channel 223, and of course, in the pushing process, the adhesive 224 can enter the groove 225, and a part of the adhesive can also flow onto the pipe wall of the muffling pipe 20 or permeate the liner 10. In the process that the flexible part 222 exits the muffler pipe 20, the flexible part 222 can be reversely turned to form a convex shape, so that the adhesive 224 can smoothly flow out, and the flowing adhesive 224 flows downwards to the bonding position of the bushing 10 and the muffler pipe 20 along the pipe wall of the muffler pipe 20, thereby improving the bonding firmness.

By forming the groove 225, excess adhesive 224 released may be temporarily stored, preventing the adhesive 224 from contaminating the liner 10.

The flow passage 223 may be provided with a switching means for opening or closing the discharge port of the adhesive 224. The flow path 223 is L-shaped, and the adhesive 224 flows out from the side opening of the conveyance member 221.

In some embodiments, the implant device 200 further comprises a positioning device 230, the positioning device 230 is used for measuring the length of the sound-deadening tube 20, and the second carrying device 220 is in signal connection with the positioning device 230 to determine the distance between the first end and the preset position according to the measurement result of the positioning device 230.

By providing the positioning means 230, the length of the muffler pipe 20 can be measured, so that the second carrying means 220 can determine where the bushing 10 needs to be implanted into the muffler pipe 20 according to the total length of the muffler pipe 20.

As shown in fig. 9, the positioning device 230 includes a first support 232 and a probe 231 mounted on the first support 232, wherein the probe 231 extends to the second end of the muffler pipe 20, and the length of the muffler pipe 20 can be measured.

In some embodiments, the implant device 200 further includes a curing device 240, the curing device 240 for reinforcing the connection of the liner 10 to the muffler pipe 20.

By providing the curing device 240, the stability of the connection of the bush 10 and the muffler pipe 20 can be improved.

In some embodiments, curing device 240 includes an infrared light heat source 241 and a heat oven. An infrared light heat source 241 is mounted on the second support 242. The infrared light source 241 can cure the adhesive 224, thereby improving the adhesion strength. The bonding position can be further cured through a hot oven, so that the bonding effect is stabilized.

As shown in FIG. 8, in some embodiments, the implantation device 200 includes a support base 250 and a turntable 260 rotatably mounted on the support base 250, and the second carriage device 220, the positioning device 230 and the curing device 240 are mounted on the turntable 260.

By arranging the supporting seat 250 and the rotating disc 260, the second conveying device 220, the positioning device 230 and the curing device 240 can be switched by rotating the rotating disc 260, and the continuity of positioning, conveying and curing is realized.

The specific operation steps of one embodiment of the muffler assembly assembling apparatus of the present invention will now be described with reference to fig. 5-14:

as shown in fig. 5, the bushing base material 30 which is curled into a cylindrical shape is placed on an uncoiler 101, and the bushing base material 30 is an ultra-fine mesh fabric, and the material includes but is not limited to a metal material and a non-metal material;

the starting end of the liner base material 30 passes through the tractor 104 and is adhered to the winder 102, the conveying device 300 is positioned below the liner base material 30, and the cutter 103 is positioned above the liner base material 30;

when the cutter 103 falls down to drive the liner base material 30 to be attached to the conveying plane of the conveying device 300, the cutter 103 cuts the liner base material 30 into the sheet-shaped liner 10, as shown in fig. 6;

after the conveying device 300 conveys the bush 10 from the slicing area 400 to the implantation area 500, as shown in fig. 7, the robot arm 211 controls the suction head 212 to move to a corresponding position, the bush 10 is sucked up by the suction head 212 and transferred to the upper side of the muffling tube 20;

as shown in FIG. 9, the probe 231 of the positioning device 230 is extended to measure the depth L of the muffler pipe 20 ₀ ；

As shown in fig. 10 and 11, when the bushing 10 is fed into the first end port of the muffler pipe 20 by the second conveying device 220, and the bushing 10 contacts the pipe wall of the muffler pipe 20, the glue outlet on the conveying member 221 starts to release the adhesive 224, the flexible member 222 deforms to form a groove 225, and the adhesive 224 fills the groove 225, as shown in fig. 12;

during the process of inserting the carrying member 221 into the muffler pipe 20, the groove 225 is pressed by the pipe wall of the muffler pipe 20, the adhesive 224 is coated on the edge portion 11 of the bush 10, and the adhesive 224 is transferred to the pipe wall of the muffler pipe 20 by the penetration of the bush 10 itself;

as shown in fig. 13 and 14, when the carrier 221 is inserted into the muffler pipe 20, a predetermined depth L is reached ₁ When the conveying piece 221 is retreated, the groove 225 is turned over, the adhesive 224 is uniformly coated on the surface of the edge part 11 of the bushing 10 again, and certain pressure is applied to the bushing 10 and the pipe wall of the silencing pipe 20 to improve the adhesion;

after the conveying piece 221 completely exits the muffler pipe 20, the curing device 240 extends into the muffler pipe 20, and the infrared heat source 241 is firstly adopted to pre-cure the adhesive 224, so as to realize the preliminary bonding of the liner 10;

after the bushing 10 is integrally embedded, a hot oven is used for post-curing of the whole bushing, so that the bushing 10 and the pipe wall of the muffler pipe 20 are completely bonded.

After implantation of one liner 10 is complete, implantation of multiple liners 10 may then be completed.

The invention also provides a method for assembling the silencing assembly, which comprises the following steps:

cutting the liner base material 30 to obtain the sheet-like liner 10; and

the bushing 10 is placed into a muffler pipe 20 that can form a honeycomb-shaped muffler assembly.

In some embodiments, prior to cutting the liner base material 30 to obtain the sheet-like liner 10, the muffler assembly assembling method further includes:

the rolled liner base material 30 is unwound and tensioned.

In some embodiments, cutting the liner substrate 30 to obtain the sheet-like liner 10 includes:

the cutter 103 descends from above to below onto the liner base material 30, cuts out the sheet-like liner 10, and the conveyor 300 receives and conveys the liner 10.

In some embodiments, prior to placing the bushing 10 into the muffler pipe 20 capable of forming a honeycomb shaped muffler assembly, the muffler assembly method further comprises:

receiving the liner 10 and transporting the liner 10 to a first end of the muffler pipe 20;

the bushing 10 is carried from the first end to a predetermined position inside the muffler pipe 20 and the bushing 10 is coupled with the muffler pipe 20.

In some embodiments, the edge portion 11 of the liner 10 is brought into abutment against the inner wall of the muffler pipe 20 during the transportation of the liner 10 from the first end to the predetermined position inside the muffler pipe 20.

In some embodiments, the adhesive 224 is released during the transport of the liner 10 from the first end to the predetermined position inside the muffler pipe 20, so that the edge portion 11 of the liner 10 is adhered to the inner wall of the muffler pipe 20.

In some embodiments, the end of the conveying member 221 for pushing the sleeve 10 is connected with a flexible member 222, the flexible member 222 can form a groove 225 during the conveying of the sleeve 10, the groove 225 is used for receiving and temporarily storing the adhesive 224 flowing out from the flow passage 223, and the flexible member 222 can be reversely turned during the exiting of the muffler pipe 20 to allow the adhesive 224 to flow out.

In some embodiments, before transporting the liner 10 from the first end to the preset position inside the muffler pipe 20, the muffler assembly assembling method further comprises:

the length of the muffler pipe 20 is measured to determine the distance between the first end and the preset position.

In some embodiments, after the liner 10 is bonded to the muffler pipe 20, the adhesive 224 is cured using an infrared heat source 241, and then the entire muffler pipe 20 and liner 10 are further cured using a heat oven.

In some embodiments, the second carrying means 220 for receiving the bush 10 and carrying the bush 10 to the first end of the muffler pipe 20, the positioning means 230 for measuring the length of the muffler pipe 20, and the curing means 240 for curing the adhesive 224 and the entirety of the muffler pipe 20 and the bush 10 are mounted on a turntable 260, the turntable 260 being rotatably mounted on the support base 250, the assembling method including: the second conveyance device 220, the positioning device 230, and the curing device 240 are switched by rotating the turntable 260.

The positive technical effects of the killing component assembling device in the above embodiments are also applicable to the killing component assembling method, and are not described herein again.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made without departing from the principles of the invention, and these modifications and equivalents are intended to be included within the scope of the claims.

Claims

1. A muffler assembly assembling apparatus, comprising:

a slicing device (100) configured to cut the liner base material (30) to obtain a sheet-like liner (10); and

an implant device (200) disposed downstream of the sectioning device (100) and configured to receive the liner (10) and place the liner (10) into a muffler tube (20) capable of forming a honeycomb-shaped muffler assembly.

2. The muffler assembly assembling apparatus according to claim 1, wherein the slicing apparatus (100) comprises:

an unwinder (101) configured to unwind the sleeve base material (30) in a roll;

a winder (102) disposed downstream of the unwinder (101) and configured to wind the cut liner base material (30); and

a cutter (103) disposed between the uncoiler (101) and the coiler (102) and configured to cut the liner base material (30).

3. The muffling assembly assembling device of claim 2, wherein the slicing device (100) further comprises a tractor (104) disposed between the uncoiler (101) and the coiler (102), the tractor (104) being configured to flatten the liner base material (30).

4. The assembly device of claim 1, further comprising a delivery device (300), said delivery device (300) being disposed between said slicing device (100) and said implanting device (200) and being configured to deliver said bushing (10), said delivery device (300) being located below said cutting knife (103).

5. A sound-damping assembly assembling device according to claim 1, characterised in that said implant device (200) comprises:

a first transport device (210) configured to receive the liner (10) and transport the liner (10) to a first end of the muffler pipe (20); and

a second transport device (220) configured to transport the liner (10) from the first end to a preset position inside the muffling tube (20) and to connect the liner (10) with the muffling tube (20).

6. A muffler assembly assembling apparatus according to claim 5, wherein said first carrying device (210) comprises a robot arm (211) and a suction head (212) mounted on said robot arm (211) and capable of sucking said bush (10).

7. A muffler assembly assembling apparatus according to claim 5, wherein said second carrying means (220) includes a carrying member (221) and a flexible member (222), said flexible member (222) is connected to an end of said carrying member (221), a size of said carrying member (221) is smaller than a pipe diameter of said muffler pipe (20), a size of said flexible member (222) is larger than a pipe diameter of said muffler pipe (20), said carrying member (221) is movable relative to said muffler pipe (20) to push said flexible member (222) and said bush (10) to move, and said flexible member (222) is deformed during the movement to make the edge portion (11) of said bush (10) abut against an inner wall of said muffler pipe (20).

8. A silencer assembly mounting apparatus according to claim 6, wherein a flow passage 223 is provided in the carrier member 221, an adhesive 224 is stored in the flow passage 223, the flexible member 222 is capable of forming a groove 225 during the transport of the liner 10, the groove 225 is used for receiving and temporarily storing the adhesive 224 flowing out of the flow passage 223, and the flexible member 222 is capable of being reversed to flow out the adhesive 224 during the exit of the silencer duct 20.

9. A muffler assembly assembling apparatus according to claim 5, wherein said implanting device (200) further comprises a positioning device (230), said positioning device (230) being adapted to measure the length of said muffler pipe (20), said second carrying device (220) being in signal connection with said positioning device (230) to determine the distance between said first end and said preset position based on the measurement result of said positioning device (230).

10. A muffler assembly assembling apparatus according to claim 9, wherein said implant device (200) further comprises a curing device (240), said curing device (240) being for reinforcing the connection of said bush (10) with said muffler pipe (20).

11. The muffler assembly assembling apparatus of claim 10 wherein said curing means (240) comprises an infrared light heat source (241) and a heat oven.

12. A muffler assembly assembling apparatus according to claim 10, wherein said implanting device (200) comprises a support base (250) and a turntable (260) rotatably mounted on said support base (250), and said second carrying device (220), said positioning device (230) and said solidifying device (240) are mounted on said turntable (260).

13. A method of assembling a muffler assembly, comprising:

cutting the liner base material (30) to obtain a sheet-like liner (10); and

placing the bushing (10) into a muffler pipe (20) capable of forming a honeycomb-shaped muffler assembly.

14. A method of assembling a muffler assembly according to claim 13, further comprising, before cutting the bush base material (30) to obtain the sheet-like bush (10):

the rolled liner substrate (30) is unwound and tensioned.

15. A method of assembling a muffler assembly according to claim 13, wherein the operation of cutting the bush base material (30) to obtain the sheet-like bush (10) comprises:

the cutter (103) descends from top to bottom onto the liner base material (30), cuts out the sheet-like liner (10), and the conveyor (300) receives and conveys the liner (10).

16. A method of assembling a muffler assembly according to claim 13, further comprising, before placing the bush (10) into a muffler pipe (20) capable of forming a honeycomb-shaped muffler assembly:

receiving the liner (10) and transporting the liner (10) to a first end of the muffler pipe (20);

-transporting the liner (10) from the first end to a predetermined position inside the muffler pipe (20), and-connecting the liner (10) with the muffler pipe (20).

17. A method of assembling a muffler assembly according to claim 16, wherein the edge portion (11) of the bush (10) is brought into abutment against the inner wall of the muffler pipe (20) during the transportation of the bush (10) from the first end to the predetermined position inside the muffler pipe (20).

18. A sound-damping assembly assembling method according to claim 16, characterised in that during the transport of the bush (10) from the first end to a preset position inside the sound-damping tube (20), the adhesive (224) is released to adhere the edge portion (11) of the bush (10) to the inner wall of the sound-damping tube (20).

19. A muffler assembly assembling method according to claim 18, wherein a flexible member (222) is attached to an end of a carrier member (221) for pushing the bush (10) in motion, the flexible member (222) being capable of forming a groove (225) during carrying of the bush (10), the groove (225) being adapted to receive and temporarily store the adhesive (224) flowing out of the flow passage (223), the flexible member (222) being capable of being inverted to flow out the adhesive (224) during exiting of the muffler pipe (20).

20. A method of assembling a muffler assembly according to claim 16, further comprising, before carrying the bush (10) from the first end to a preset position inside the muffler pipe (20):

measuring the length of the muffler pipe (20) to determine the distance between the first end and the preset position.

21. A method of assembling a muffler assembly according to claim 20, wherein after the bush (10) is bonded to the muffler pipe (20), the adhesive (224) is cured by an infrared heat source (241), and then the entire muffler pipe (20) and the bush (10) are further cured by a heat oven.

22. A method of assembling a muffler assembly according to claim 21, wherein a second carrying means (220) for receiving the bush (10) and carrying the bush (10) to the first end of the muffler pipe (20), a positioning means (230) for measuring the length of the muffler pipe (20), and a curing means (240) for curing the adhesive (224) and the entirety of the muffler pipe (20) and the bush (10) are mounted on a turntable (260), the turntable (260) being rotatably mounted on a support base (250), the assembling method comprising: -switching said second conveyor (220), said positioning device (230) and said curing device (240) by rotating said carousel (260).