Assembling equipment and assembling method for automobile silencer

Abstract

The assembling equipment for the automobile silencer comprises a base, a silencer body positioning mechanism is installed on the base, left-right displacement mechanisms are arranged on the portions, located on the two sides of the silencer body positioning mechanism, of the base, and the two left-right displacement mechanisms are in transmission connection with a silencer air inlet pipe positioning mechanism and a silencer air outlet pipe positioning mechanism correspondingly; a silencer body is fixed through the silencer body positioning mechanism, an air inlet pipe of the silencer is fixed through the silencer air inlet pipe positioning mechanism, and an air outlet pipe of the silencer is fixed through the silencer air outlet pipe positioning mechanism. The silencer air inlet pipe positioning mechanism and the silencer air outlet pipe positioning mechanism are driven to move relatively through the left-right displacement mechanisms on the two sides correspondingly, the two ends of the main body are in butt joint with an air inlet pipe and an air outlet pipe correspondingly, the stability of a silencer is improved, and the welding efficiency is indirectly improved.

Description

Technical Field

[0001] The invention relates to the technical field of muffler assembly equipment, in particular to an assembly equipment and an assembly method for automobile mufflers. Background Art

[0002] The problem of automobile noise pollution cannot be ignored. The automobile noise level is not only an important indicator to measure automobile performance, but also an important reference factor for consumers to purchase automobile products. Among the noise contributions of the whole vehicle, the exhaust noise of the car is particularly prominent. Exhaust noise is the main noise source of the engine. Installing a muffler is the most effective way to control exhaust noise.

[0003] Muffler Figure 6 and Figure 7 FIG. 1 is a schematic diagram of a muffler. When manufacturing the muffler, the main body, the air inlet pipe and the air outlet pipe need to be assembled and welded. However, when assembling the muffler, it is difficult to position the main body, the air inlet pipe and the air outlet pipe, resulting in instability of the components during welding. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides an assembly device for automobile mufflers to solve the problem that it is difficult to position all parts of the muffler at the same time during assembly, resulting in unstable welding.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] An assembly device for an automobile muffler comprises a base, a muffler main body positioning mechanism is installed on the base, left and right displacement mechanisms are arranged on both sides of the muffler main body positioning mechanism on the base, and the two left and right displacement mechanisms are respectively connected to the muffler inlet pipe positioning mechanism and the muffler outlet pipe positioning mechanism in a transmission manner; the muffler main body positioning mechanism comprises a central seat fixedly connected to the base, and the two ends of the central seat are respectively fixedly connected to a first support and a second support, the first support is connected to a first support rod in a ram's horn shape, the second support is connected to a second support rod in a ram's horn shape, and the first support rod and the second support rod are connected to a first support rod in a ram's horn shape. The rods are arranged relatively to each other, and a third support is fixedly connected to one side of the center seat between the first support and the second support, and a clamping mechanism is connected to the upper end of the third support, and the clamping mechanism is located above the first support rod and the second support rod; the main body of the muffler is fixed by the muffler main body positioning mechanism, the inlet pipe of the muffler is fixed by the muffler inlet pipe positioning mechanism, and the outlet pipe of the muffler is fixed by the muffler outlet pipe positioning mechanism, and the muffler inlet pipe positioning mechanism and the muffler outlet pipe positioning mechanism are driven to move relative to each other by the left and right displacement mechanisms on both sides, and the two ends of the main body are respectively connected to the inlet pipe and the outlet pipe.

[0007] Preferably, the pressing mechanism includes a connecting seat fixedly connected to the third support, two first connecting members and a second connecting member pivotally connected to the connecting seat, a first handle fixedly connected to the upper end of the first connecting member, and a third connecting member pivotally connected to the upper inner part of the first connecting member. The lower end of the third connecting member is pivotally connected to the second connecting member. One end of the third connecting member away from the connecting seat is connected to a pressure bar parallel to the central seat, and both ends of the pressure bar are connected with pressing blocks having an arc-shaped bottom surface.

[0008] Through the above technical solution, when the first handle is pulled downwards, it can drive the pressure bar to rotate downwards, thereby driving the two pressing blocks to rotate downwards to press the muffler main body.

[0009] Preferably, the muffler inlet pipe positioning mechanism includes a first sliding seat drivingly connected to the left-right displacement mechanism on one side of the central seat, a first front-back displacement mechanism installed on the first sliding seat, a second sliding seat drivingly connected to the first front-back displacement mechanism, a fourth support connected to the second sliding seat, a first cylinder installed on the fourth support, a sliding plate connected to the telescopic end of the first cylinder, a side plate connected to the upper end of the sliding plate, a second cylinder installed on the upper part of the side plate, a connecting rod pivotally connected to both sides of the second cylinder and forming an obtuse angle, and connecting ears fixed on both sides of the upper part of the side plate. The telescopic end of the second cylinder is connected to the side plate by screws. An obtuse-angled sliding hole is provided at the corner of the connecting rod, and a sliding rod is connected inside the connecting ear. The sliding rod is slidably connected to the corresponding sliding hole. Both ends of the two connecting rods away from the second cylinder are connected with chucks.

[0010] Through the above technical solution, one end of the inlet pipe is placed between the two chucks. Control the second cylinder to extend, drive the two connecting rods to slide along the sliding rods, that is, the two connecting rods move relative to each other, thereby driving the two chucks to move relative to each other to clamp the inlet pipe. Control the first cylinder to extend, drive the inlet pipe to move obliquely upwards to adjust the height of the inlet pipe.

[0011] Preferably, the muffler outlet pipe positioning mechanism includes a third sliding seat drivingly connected to the left-right displacement mechanism on the other side of the central seat, a second front-back displacement mechanism installed on the third sliding seat, a fourth sliding seat drivingly connected to the second front-back displacement mechanism, a fifth support installed on the fourth sliding seat, a third cylinder connected to the fifth support, a mounting plate connected to the telescopic end of the third cylinder, a resisting rod and a resisting plate connected to the mounting plate. The upper end of the resisting plate is inclined upwards towards the fifth support. The muffler outlet pipe positioning mechanism further includes a sixth support connected to the fourth sliding seat and a cylindrical clamp connected to the sixth support. The clamp is located on one side of the resisting plate, and the upper side of the clamp is connected with a second handle. The opening and closing part of the clamp is clamped by a buckle.

[0012] Through the above technical solution, the outlet pipe is placed into the clamp and the clamp is tightened. At the same time, control the third cylinder to extend, drive the resisting plate to move forward until the resisting plate abuts against the bottom surface of the outlet pipe, thereby clamping the outlet pipe.

[0013] Preferably, the left - right displacement mechanism includes a fourth cylinder installed at the end of the base, a guide rail provided on the base and on one side of the central seat. The telescopic ends of the fourth cylinders at both ends are respectively connected to the first sliding seat and the third sliding seat, and the first sliding seat and the third sliding seat slide on the guide rails on their respective sides.

[0014] Through the above - mentioned technical solution, by controlling the extension of the two fourth cylinders, the first sliding seat and the second sliding seat are driven to move respectively, so as to drive the relative movement of the muffler intake pipe and the muffler outlet pipe.

[0015] Preferably, a first auxiliary support mechanism is further installed at the lower part of the third support. The first auxiliary support mechanism includes a fifth cylinder connected to the third support, a lifting plate connected to the telescopic end of the fifth cylinder, and first support plates in an L - shape connected to both sides of the top of the lifting plate. The two first support plates are located on one side of the first support rod, and the two first support plates are located below one end of the pressure rod.

[0016] Through the above - mentioned technical solution, after the first cylinder body is placed on the first support rod, control the fifth cylinder to extend, drive the two first support plates to rise, and make the first support plates abut against the bottom surface of the first cylinder body, so as to provide auxiliary support for the first cylinder body.

[0017] Preferably, a sixth support is fixed on one side of the central seat far from the third support. A second auxiliary support mechanism is installed on the sixth support. The second auxiliary support mechanism includes a sixth cylinder connected to the sixth support, a second support plate connected to the telescopic end of the sixth cylinder and inclined towards the third support. The side of the second support plate facing the third support is arc - shaped, and the width of the top of the second support rod is smaller than the width of the top of the first support rod.

[0018] Through the above - mentioned technical solution, after the second cylinder body is placed on the second support rod, control the sixth cylinder to extend, drive the second support plate to move towards the second cylinder body, and make the second support plate contact the bottom surface and the side surface of the second cylinder body, so as to provide auxiliary support for the second cylinder body through the second support plate.

[0019] Preferably, an extension rod extending upwards is installed on the second support, and a bearing plate is connected to the extension rod. The bearing plate is located on one side of the second support rod.

[0020] Through the above - mentioned technical solution, after the intake pipe is docked with the second cylinder body, the intake pipe will be placed on the bearing plate, so as to further support the intake pipe.

[0021] The present invention also provides an assembly method for an automotive muffler, using the described assembly equipment, including the following steps:

[0022] (1) Manufacturing the muffler body: The muffler body includes a first cylinder and a second cylinder. A first partition is installed inside the first cylinder, and a first muffler pipe is welded on the first partition. A second partition and a third partition are welded inside the second cylinder, and a second muffler pipe is welded on the second partition. The second muffler pipe passes through the second partition. During welding, first install the first partition and the first muffler pipe inside the first cylinder, and then install the second partition, the third partition, and the second muffler pipe inside the second cylinder.

[0023] (2) Welding the muffler body: First, place the first cylinder on the first support rod, and at the same time control the fifth cylinder to extend, driving the two first support plates to rise, so that the first support plates abut against the bottom surface of the first cylinder. Through the action of the first support rod and the first support plates, support the first cylinder. Then place the second cylinder on the second support rod, and at the same time control the sixth cylinder to extend, driving the second support plate to move towards the second cylinder, so that the second support plate contacts the bottom surface and the side surface of the second cylinder. Through the action of the second support rod and the second support plate, support the second cylinder. Then pull down the first handle, so that the pressure rod rotates downward, and press the first cylinder and the second cylinder tightly through the two pressure blocks respectively to complete the fixation of the muffler body. Then manually hold the welding torch to weld the connection between the first cylinder and the second cylinder. During welding, it is necessary to adjust the positions of the first cylinder and the second cylinder so as to weld all the joints of the two.

[0024] (3) Welding the intake pipe: After the first cylinder and the second cylinder are welded, place one end of the intake pipe between the two chucks, and then control the second cylinder to extend, driving the two connecting rods to slide along the slide rod, that is, the two connecting rods move relative to each other, thereby driving the two chucks to move relative to each other to clamp the intake pipe. Then control the first cylinder to extend, driving the intake pipe to move obliquely upward to adjust the height of the intake pipe. Then adjust the position of the intake pipe through the left-right displacement mechanism and the first front-back displacement mechanism until one end of the intake pipe is docked with the second cylinder. Then manually hold the welding torch to weld the intake pipe on the second cylinder.

[0025] (4) Welding the exhaust pipe: After the intake pipe is welded, place the exhaust pipe in the clamp and clamp the clamp tightly. At the same time, control the third cylinder to extend, driving the abutting plate to move forward until the abutting plate abuts against the bottom surface of the exhaust pipe. Then adjust the position of the exhaust pipe through the left-right displacement mechanism and the second front-back displacement mechanism until the exhaust pipe is docked with the second cylinder. Then manually hold the welding torch to weld the exhaust pipe on the first cylinder.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] (1) Fix the main body of the muffler through the muffler main body positioning mechanism, fix the intake pipe of the muffler through the muffler intake pipe positioning mechanism, fix the exhaust pipe of the muffler through the muffler exhaust pipe positioning mechanism, drive the muffler intake pipe positioning mechanism and the muffler exhaust pipe positioning mechanism to move relative to each other through the left and right displacement mechanisms on both sides, and stably dock the two ends of the main body with the intake pipe and the exhaust pipe respectively, thereby improving the stability of the muffler and indirectly improving the welding efficiency.

[0028] (2) The main body of the muffler is divided into a first cylinder and a second cylinder. The first cylinder is supported by the first support rod and the first support plate, and the second cylinder is supported by the second support rod and the second support plate. At the same time, it is clamped by the clamping blocks at both ends of the pressure rod, so that the first cylinder and the second cylinder can be docked and remain stable.

[0029] (3) The exhaust pipe is fixed by a chuck, and the intake pipe is fixed by a clamp. At the same time, through the action of the left and right displacement mechanisms and the linear displacement mechanisms on both sides, the positions of the intake pipe and the exhaust pipe can be adjusted, and the intake pipe is docked with the second cylinder, and the exhaust pipe is docked with the first cylinder, improving the assembly efficiency. Brief Description of the Drawings

[0030] Figure 1 It is a schematic diagram of the present invention;

[0031] Figure 2 It is a schematic diagram of the muffler main body positioning mechanism, the muffler exhaust pipe positioning mechanism, and the muffler intake pipe positioning mechanism;

[0032] Figure 3 It is a schematic diagram of the pressing mechanism;

[0033] Figure 4 It is a schematic diagram after fixing the muffler main body, the intake pipe, and the exhaust pipe;

[0034] Figure 5 It is Figure 4 A schematic diagram in another direction;

[0035] Figure 6 It is a cross-sectional view of the muffler;

[0036] Figure 7 It is an exploded view of the muffler main body;

[0037] In the figure:

[0038] 1 - Base,

[0039] 2-muffler body positioning mechanism, 201-center seat, 202-first support, 203-second support, 204-first support rod, 205-second support rod, 206-third support, 207-connecting seat, 208-first connecting piece, 209-second connecting piece, 210-first handle, 211-third connecting piece, 212-pressing rod, 213-pressing block, 214-extension rod, 215-carrying plate,

[0040] 3-left and right displacement mechanism, 301-fourth cylinder, 302-guide rail,

[0041] 4-muffler intake pipe positioning mechanism, 401-first slide seat, 402-first front-rear displacement mechanism, 403-second slide seat, 404-fourth support, 405-first cylinder, 406-slide plate, 407-side plate, 408-second cylinder, 409-connecting rod, 410-connecting ear, 411-slide hole, 412-chuck,

[0042] 5-muffler outlet pipe positioning mechanism, 501-third slide, 502-second front-rear displacement mechanism, 503-fourth slide, 504-fifth support, 505-third cylinder, 506-mounting plate, 507-retaining rod, 508-retaining plate, 509-sixth support, 510-clamp, 511-second handle,

[0043] 6-first auxiliary support mechanism, 601-fifth cylinder, 602-lifting plate, 603-first support plate,

[0044] 7- The sixth support,

[0045] 8-second auxiliary support mechanism, 801-sixth cylinder, 802-second support plate,

[0046] 9-first cylinder, 10-second cylinder, 11-first partition, 12-first muffler, 13-second partition, 14-third partition, 15-second muffler, 16-inlet pipe, 17-outlet pipe. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. 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.

[0048] Example 1

[0049] See also Figures 1 - 7, an assembly device for automobile muffler, comprising a base 1, a muffler main body positioning mechanism 2 is installed on the base 1, left and right displacement mechanisms 3 are arranged on both sides of the muffler main body positioning mechanism on the base 1, and the two left and right displacement mechanisms 3 are respectively connected to the muffler inlet pipe positioning mechanism 4 and the muffler outlet pipe positioning mechanism 5. Specifically, the left and right displacement mechanism 3 comprises a fourth cylinder 301 installed at the end of the base, a guide rail 302 provided on the base and located on one side of the center seat, the telescopic ends of the fourth cylinder 301 at both ends are respectively connected to the first slide 401 and the third slide 501, and the first slide 401 and the third slide 501 slide on the guide rails 302 on their respective sides.

[0050] The muffler main body positioning mechanism 2 includes a center seat 201 fixedly connected to the base, and the two ends of the center seat 201 are respectively fixedly connected with a first support 202 and a second support 203, the first support 202 is connected to a first support rod 204 in a ram's horn shape, and the second support 203 is connected to a second support rod 205 in a ram's horn shape, the first support rod 204 and the second support rod 205 are arranged opposite to each other, and a third support 206 is fixedly connected to one side of the center seat 201 located between the first support and the second support, and the upper end of the third support 206 is connected to a clamping mechanism, and the clamping mechanism is located above the first support rod 204 and the second support rod 205. The clamping mechanism includes a connection seat 207 fixedly connected to the third support, two first connection members 208 and a second connection member 209 pivotally connected to the connection seat, a first handle 210 fixedly connected to the upper end of the first connection member, and a third connection member 211 pivotally connected to the inner upper part of the first connection member, the lower end of the third connection member 211 is pivotally connected to the second connection member 209, and the end of the third connection member 211 away from the connection seat is connected to a pressure rod 212 parallel to the center seat, and the two ends of the pressure rod 212 are connected to a pressure block 213 with an arc-shaped bottom surface. An extension rod 214 extending upward is installed on the second support 203, and a bearing plate 215 is connected to the extension rod 214, and the bearing plate 215 is located on one side of the second support rod 205. Pulling the first handle downward can drive the pressure rod to rotate downward, thereby driving the two pressure blocks to rotate downward, so that the first cylinder is pressed on the first support rod, and the second cylinder is pressed on the second support rod.

[0051] The muffler intake pipe positioning mechanism 4 includes a first slide 401 on a left-right displacement mechanism that is transmission-connected to one side of the center seat, a first front-back displacement mechanism 402 installed on the first slide, a second slide 403 that is transmission-connected to the first front-back displacement mechanism, a fourth support 404 connected to the second slide, a first cylinder 405 installed on the fourth support, a slide plate 406 connected to the telescopic end of the first cylinder, a side plate 407 connected to the upper end of the slide plate, a second cylinder 408 installed on the upper part of the side plate, a connecting rod 409 that is pivotally connected to both sides of the second cylinder and is at an obtuse angle, and connecting ears 410 fixed to both sides of the upper part of the side plate, the telescopic end of the second cylinder 408 is connected to the side plate 407 by screws, a sliding hole 411 with an obtuse angle is provided at the corner of the connecting rod 409, a sliding rod is connected in the connecting ear 410, and the sliding rod is slidably connected in the corresponding sliding hole 411, and a clamp 412 is connected at one end of the two connecting rods 409 away from the second cylinder 408. Place one end of the air intake pipe 16 between the two clamps 412, control the second cylinder 408 to extend, drive the two connecting rods 409 to slide along the slide bar, and the two connecting rods move relative to each other, thereby driving the two clamps 412 to move relative to each other to clamp the air intake pipe 16. Control the first cylinder 405 to extend, drive the air intake pipe 16 to move obliquely upward, and adjust the height of the air intake pipe 16.

[0052] The muffler outlet pipe positioning mechanism 5 includes a third slide 501 that is transmission-connected to the left-right displacement mechanism on the other side of the center seat, a second front-to-back displacement mechanism 502 installed on the third slide, a fourth slide 503 that is transmission-connected to the second front-to-back displacement mechanism, a fifth support 504 installed on the fourth slide, a third cylinder 505 connected to the fifth support, a mounting plate 506 connected to the telescopic end of the third cylinder, a support rod 507 and a support plate 508 connected to the mounting plate, the upper end of the support plate 508 is inclined upward toward the fifth support 504, the muffler outlet pipe positioning mechanism 5 also includes a sixth support 509 connected to the fourth slide, a cylindrical clamp 510 connected to the sixth support, the clamp 510 is located on one side of the support plate 508, a second handle 511 is connected to the upper side of the clamp 510, and the opening and closing part of the clamp 510 is connected by a buckle. Put the air outlet pipe 17 into the clamp 510 and clamp the clamp 510, and at the same time control the third cylinder 505 to extend, driving the abutment plate 508 to move forward until the abutment plate 508 abuts against the bottom surface of the air outlet pipe 17, so that the air outlet pipe 17 remains stable.

[0053] The first front-to-back displacement mechanism 402 and the second front-to-back displacement mechanism 502 described in this embodiment both adopt a screw transmission mechanism, which is a prior art, and the specific structure and principle thereof will not be described in detail in this embodiment.

[0054] A first auxiliary support mechanism 6 is also installed at the lower part of the third support 206. The first auxiliary support mechanism 6 includes a fifth cylinder 601 connected to the third support, a lifting plate 602 connected to the telescopic end of the fifth cylinder, and first support plates 603 which are L-shaped and connected to both sides of the top of the lifting plate. The two first support plates 603 are located on one side of the first support rod 204, and the two first support plates 603 are located below one end of the pressure rod 212. After the first cylinder body 9 is placed on the first support rod 204, control the fifth cylinder 601 to extend, drive the two first support plates 603 to rise, and make the first support plates 603 abut against the bottom surface of the first cylinder body 9, so as to assist in supporting the first cylinder body 9.

[0055] A sixth support 7 is fixed on one side of the center seat 201 away from the third support. A second auxiliary support mechanism 8 is installed on the sixth support 7. The second auxiliary support mechanism 8 includes a sixth cylinder 801 connected to the sixth support, and a second support plate 802 connected to the telescopic end of the sixth cylinder and inclined towards the third support. The side of the second support plate 802 facing the third support 206 is arc-shaped. The width of the top of the second support rod 205 is smaller than the width of the top of the first support rod 204. After the second cylinder body 10 is placed on the second support rod 205, control the sixth cylinder 801 to extend, drive the second support plate 802 to move towards the second cylinder body 10, and make the second support plate 802 contact the bottom surface and the side surface of the second cylinder body 10, so as to assist in supporting the second cylinder body 10 through the second support plate 802.

[0056] During assembly, fix the main body of the muffler through the muffler main body positioning mechanism 2, fix the intake pipe of the muffler through the muffler intake pipe positioning mechanism 4, fix the exhaust pipe of the muffler through the muffler exhaust pipe positioning mechanism 5, and respectively drive the muffler intake pipe positioning mechanism 4 and the muffler exhaust pipe positioning mechanism 5 to move relatively through the left and right displacement mechanisms 3 on both sides, and make the two ends of the main body dock with the intake pipe and the exhaust pipe respectively.

[0057] Embodiment 2

[0058] An assembly method for an automotive muffler, using the described assembly equipment, includes the following steps:

[0059] S1: Fabricate the muffler main body: The muffler main body includes a first cylinder body 9 and a second cylinder body 10. A first partition 11 is installed in the first cylinder body 9, and a first muffler pipe 12 is welded on the first partition 11. A second partition 13 and a third partition 14 are welded in the second cylinder body 10, and a second muffler pipe 15 is welded on the second partition 14. The second muffler pipe 15 passes through the second partition 11; during welding, first install the first partition 11 and the first muffler pipe 12 in the first cylinder body 9, and then install the second partition 13, the third partition 14 and the second muffler pipe 15 in the second cylinder body 10;

[0060] S2: Welding the muffler body: First, place the first cylinder 9 on the first support rod 204. At the same time, control the fifth cylinder 601 to extend, driving the two first support plates 603 to rise, so that the first support plates 603 abut against the bottom surface of the first cylinder 9. Through the action of the first support rod 204 and the first support plates 603, support the first cylinder 9. Then place the second cylinder 10 on the second support rod 205. At the same time, control the sixth cylinder 801 to extend, driving the second support plate 802 to move towards the second cylinder 10, so that the second support plate 802 contacts the bottom surface and side surface of the second cylinder 10. Through the action of the second support rod 205 and the second support plate 802, support the second cylinder 10. Then pull down the first handle 210 to make the pressure rod 212 rotate downward, and press the first cylinder 9 and the second cylinder 10 tightly through the two pressure blocks 213 respectively to complete the fixation of the muffler body. Then manually hold the welding torch to weld the connection between the first cylinder 9 and the second cylinder 10. During welding, it is necessary to adjust the positions of the first cylinder and the second cylinder to weld all the seams between them;

[0061] S3: Welding the intake pipe: After the welding of the first cylinder 9 and the second cylinder 10 is completed, place one end of the intake pipe 16 between the two chucks 412. Then control the second cylinder 408 to extend, driving the two connecting rods 409 to slide along the slide rod, that is, the two connecting rods 409 move relative to each other, thereby driving the two chucks 412 to move relative to each other to clamp the intake pipe 16. Then control the first cylinder 405 to extend, driving the intake pipe 16 to move obliquely upward to adjust the height of the intake pipe 16. Then adjust the position of the intake pipe 16 through the left - right displacement mechanism 3 and the first front - rear displacement mechanism 402 until one end of the intake pipe 16 is butted against the second cylinder 10. Then manually hold the welding torch to weld the intake pipe to the second cylinder;

[0062] S4: Welding the exhaust pipe: After the welding of the intake pipe is completed, place the exhaust pipe 17 into the clamp 510 and tighten the clamp 510. At the same time, control the third cylinder 505 to extend, driving the abutting plate 508 to move forward until the abutting plate 508 abuts against the bottom surface of the exhaust pipe 17. Then adjust the position of the exhaust pipe 17 through the left - right displacement mechanism 3 and the second front - rear displacement mechanism 502 until the exhaust pipe 17 is butted against the second cylinder 9. Then manually hold the welding torch to weld the exhaust pipe to the first cylinder, thus completing the welding of the muffler body, the intake pipe and the exhaust pipe.

[0063] It should be noted that the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article or apparatus comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or apparatus. Without further limitation, an element defined by the phrase "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

[0064] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An assembly device for automobile muffler, characterized in that: The invention comprises a base (1), a muffler main body positioning mechanism (2) is installed on the base (1), left and right displacement mechanisms (3) are arranged on both sides of the muffler main body positioning mechanism on the base (1), and the two left and right displacement mechanisms (3) are respectively connected to a muffler air inlet pipe positioning mechanism (4) and a muffler air outlet pipe positioning mechanism (5); The muffler body positioning mechanism (2) comprises a central seat (201) fixedly connected to a base, two ends of the central seat (201) are respectively fixedly connected to a first support seat (202) and a second support seat (203), the first support seat (202) is connected to a first support rod (204) in the shape of a ram's horn, the second support seat (203) is connected to a second support rod (205) in the shape of a ram's horn, the first support rod (204) and the second support rod (205) are arranged opposite to each other, a third support seat (206) is fixedly connected to one side of the central seat (201) located between the first support seat and the second support seat, the upper end of the third support seat (206) is connected to a clamping mechanism, and the clamping mechanism is located above the first support rod (204) and the second support rod (205); The muffler body is fixed by a muffler body positioning mechanism (2), the muffler air inlet pipe is fixed by a muffler air inlet pipe positioning mechanism (4), and the muffler air outlet pipe is fixed by a muffler air outlet pipe positioning mechanism (5). The muffler air inlet pipe positioning mechanism (4) and the muffler air outlet pipe positioning mechanism (5) are driven to move relative to each other by left and right displacement mechanisms (3) on both sides, and the two ends of the body are connected to the air inlet pipe and the air outlet pipe respectively.

2. The automobile muffler assembly equipment according to claim 1, characterized in that: The clamping mechanism comprises a connecting seat (207) fixedly connected to the third support, two first connecting members (208) and a second connecting member (209) pivotally connected to the connecting seat, a first handle (210) fixedly connected to the upper end of the first connecting member, and a third connecting member (211) pivotally connected to the inner upper part of the first connecting member, the lower end of the third connecting member (211) is pivotally connected to the second connecting member (209), the end of the third connecting member (211) away from the connecting seat is connected to a pressing rod (212) parallel to the center seat, and both ends of the pressing rod (212) are connected to a pressing block (213) with an arc-shaped bottom surface.

3. The automobile muffler assembly equipment according to claim 2, characterized in that: The muffler intake pipe positioning mechanism (4) comprises a first slide seat (401) which is transmission-connected to the left-right displacement mechanism on one side of the center seat, a first front-back displacement mechanism (402) installed on the first slide seat, a second slide seat (403) which is transmission-connected to the first front-back displacement mechanism, a fourth support seat (404) connected to the second slide seat, a first cylinder (405) installed on the fourth support seat, a slide plate (406) connected to the telescopic end of the first cylinder, a side plate (407) connected to the upper end of the slide plate, and a second support seat (408) installed on the upper end of the side plate. The invention relates to a second cylinder (408), a connecting rod (409) pivotally connected to both sides of the second cylinder and at an obtuse angle, and connecting ears (410) fixed to both sides of the upper part of the side plate. The telescopic end of the second cylinder (408) is connected to the side plate (407) by screws. The corner of the connecting rod (409) is provided with a sliding hole (411) at an obtuse angle. The connecting ear (410) is connected with a sliding rod, and the sliding rod is slidably connected to the corresponding sliding hole (411). The ends of the two connecting rods (409) away from the second cylinder (408) are connected with a clamp (412).

4. The automobile muffler assembly equipment according to claim 3, characterized in that: The muffler outlet pipe positioning mechanism (5) comprises a third slide seat (501) which is transmission-connected to the left-right displacement mechanism on the other side of the center seat, a second front-back displacement mechanism (502) installed on the third slide seat, a fourth slide seat (503) which is transmission-connected to the second front-back displacement mechanism, a fifth support seat (504) installed on the fourth slide seat, a third cylinder (505) connected to the fifth support seat, a mounting plate (506) connected to the telescopic end of the third cylinder, and a mounting plate (507) connected to the mounting plate. The muffler exhaust pipe positioning mechanism (5) further comprises a sixth support (509) connected to the fourth slide seat, and a cylindrical clamp (510) connected to the sixth support seat. The clamp (510) is located on one side of the support plate (508). The upper side of the clamp (510) is connected to a second handle (511). The opening and closing portion of the clamp (510) is connected by a buckle.

5. The automobile muffler assembly equipment according to claim 4, characterized in that: The left-right displacement mechanism (3) comprises a fourth cylinder (301) mounted on the end of the base, and a guide rail (302) provided on the base and located on one side of the center seat, wherein the telescopic ends of the fourth cylinder (301) at both ends are respectively connected to the first slide seat (401) and the third slide seat (501), and the first slide seat (401) and the third slide seat (501) respectively slide on the guide rail (302) on one side thereof.

6. The automobile muffler assembly equipment according to claim 5, characterized in that: A first auxiliary support mechanism (6) is also installed at the lower part of the third support (206), and the first auxiliary support mechanism (6) includes a fifth cylinder (601) connected to the third support, a lifting plate (602) connected to the telescopic end of the fifth cylinder, and a first support plate (603) connected to both sides of the top of the lifting plate and in an L shape, the two first support plates (603) are located on one side of the first support rod (204), and the two first support plates (603) are located below one end of the pressure rod (212).

7. The automobile muffler assembly equipment according to claim 6, characterized in that: A sixth support (7) is fixed on a side of the center seat (201) away from the third support, and a second auxiliary support mechanism (8) is installed on the sixth support (7). The second auxiliary support mechanism (8) comprises a sixth cylinder (801) connected to the sixth support, and a second support plate (802) connected to the telescopic end of the sixth cylinder and inclined toward the third support. The second support plate (802) is arc-shaped on one side facing the third support (206), and the width of the top of the second support rod (205) is smaller than the width of the top of the first support rod (204).

8. The automobile muffler assembly equipment according to claim 7, characterized in that: An extension rod (214) extending upward is installed on the second support (203), a bearing plate (215) is connected to the extension rod (214), and the bearing plate (215) is located on one side of the second support rod (205).

9. An assembly method for an automobile muffler, using the assembly equipment according to claim 8, characterized in that: The following steps are involved: S1: manufacturing a muffler body, wherein the muffler body comprises a first cylinder (9) and a second cylinder (10), wherein a first baffle (11) is installed in the first cylinder (9), a first muffler pipe (12) is welded to the first baffle (11), a second baffle (13) and a third baffle (14) are welded in the second cylinder (10), a second muffler pipe (15) is welded to the second baffle (14), and the second muffler pipe (15) passes through the second baffle (11); during welding, firstly, the first baffle (11) and the first muffler pipe (12) are installed in the first cylinder (9), and then the second baffle (13), the third baffle (14) and the second muffler pipe (15) are installed in the second cylinder (10); S2: Welding the muffler body: first, place the first cylinder (9) on the first support rod (204), and at the same time control the fifth cylinder (601) to extend, drive the two first support plates (603) to rise, so that the first support plates (603) are against the bottom surface of the first cylinder (9), and the first cylinder (9) is supported by the first support rod (204) and the first support plate (603); then place the second cylinder (10) on the second support rod (205), and at the same time control the sixth cylinder (801) to extend, drive the second support plate (802) to move toward the second cylinder (10), so that the second support plate (802) contacts the bottom and side surfaces of the second cylinder (10), and supports the second cylinder (10) through the action of the second support rod (205) and the second support plate (802); then, the first handle (210) is pulled downward to rotate the pressure rod (212) downward, and the first cylinder (9) and the second cylinder (10) are respectively pressed by the two pressure blocks (213) to complete the fixation of the muffler body, and then, a manual hand-held welding gun is used to weld the connection between the first cylinder (9) and the second cylinder (10). During welding, the positions of the first cylinder and the second cylinder need to be adjusted so that the joints between the two can be completely welded; S3: Welding the air intake pipe: After the welding of the first cylinder (9) and the second cylinder (10) is completed, one end of the air intake pipe (16) is placed between the two clamps (412), and then the second cylinder (408) is controlled to extend, driving the two connecting rods (409) to slide along the slide rod, and the two connecting rods (409) to move relative to each other, thereby driving the two clamps (412) to move relative to each other, so as to clamp the air intake pipe (16), and then the first cylinder (405) is controlled to extend, driving the air intake pipe (16) to move obliquely upward to adjust the height of the air intake pipe (16), and then adjusting the position of the air intake pipe (16) through the left and right displacement mechanism (3) and the first front and rear displacement mechanism (402) until one end of the air intake pipe (16) is connected to the second cylinder (10), and then manually holding a welding gun to weld the air intake pipe to the second cylinder; S4: Welding the air outlet pipe: After the air inlet pipe is welded, the air outlet pipe (17) is placed in the clamp (510) and the clamp (510) is clamped. At the same time, the third cylinder (505) is controlled to extend to drive the abutment plate (508) to move forward until the abutment plate (508) abuts against the bottom surface of the air outlet pipe (17). The position of the air outlet pipe (17) is then adjusted by the left-right displacement mechanism (3) and the second front-back displacement mechanism (502) until the air outlet pipe (17) is butted against the second cylinder (9). The air outlet pipe is then welded to the first cylinder by manual hand-held welding.

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