Automobile exhaust pipe end face machining and grinding equipment

Through the design of continuous conveying and synchronous grinding, the problem of grinding at both ends of the exhaust pipe is solved, and efficient synchronous grinding and large-scale production are achieved.

CN223172594UActive Publication Date: 2025-08-01WEIFANG LITE AUTOMOBILE PARTS CO LTD
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Patent Information

Application Number
CN202422108380.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-29
Publication Date
2025-08-01
Estimated Expiration
2034-08-29

AI Technical Summary

Technical Problem

In the prior art, the grinding of both ends of the exhaust pipe is not synchronized, resulting in low grinding efficiency and is not suitable for large-scale continuous production.

Method used

The continuous conveying mechanism and grinding mechanism are adopted to realize step-by-step conveying of the exhaust pipe, and through the opposite movement of the active and driven box, the two ends of the exhaust pipe are polished simultaneously by two grinding heads, and the driving is realized by a motor.

Benefits of technology

It significantly improves grinding efficiency and realizes synchronous grinding at both ends of the exhaust pipe, which is suitable for large-scale continuous production and processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses automobile exhaust pipe end face machining and polishing equipment which comprises a continuous conveying mechanism, a dustproof box body is installed on the top of the continuous conveying mechanism, and a polishing mechanism is installed in the dustproof box body. The continuous conveying mechanism comprises a conveying box body, a conveying belt is installed in an inner cavity of the conveying box body, a plurality of clamp bases which are evenly distributed are fixedly installed on the periphery of the conveying belt, and U-shaped clamps are buckled on the clamp bases. The grinding mechanism comprises a driving box body and a driven box body which can move oppositely, two grinding heads which are symmetrically arranged are installed on the opposite inner sides of the driving box body and the driven box body, the grinding heads are installed on grinding shafts respectively, and the grinding shafts are rotatably installed in the driving box body and the driven box body. Stepping type continuous conveying of the exhaust pipe can be achieved, the two ends of the exhaust pipe can be polished at the same time in the conveying process, the polishing efficiency is remarkably improved, and the device can be suitable for continuous production and machining of a large number of exhaust pipes.
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Description

Technical Field

[0001] The utility model relates to a processing and grinding device for the end face of an automobile exhaust pipe, belonging to the technical field of exhaust pipe processing. Background Technique

[0002] The exhaust pipe is generally formed by welding multiple round pipes together. During the processing and manufacturing of the exhaust pipe, burrs are likely to be generated on the cut end face of the exhaust pipe. Therefore, it is necessary to grind the pipe blank to facilitate the subsequent welding process.

[0003] Patent No. CN202222145958.2 discloses a processing and grinding device for the end face of an automobile exhaust pipe, which includes a base. A sliding sleeve is arranged on the base, and a support column is rotatably arranged in the sliding sleeve. At least part of the support column extends to the outside of the sliding sleeve and is connected to a workbench. A fixing structure is arranged on the workbench, and an exhaust pipe is arranged on the fixing structure.

[0004] Regarding the technical solution disclosed in the above patent document, through practice, it is considered that there are still the following technical problems:

[0005] After one end of the exhaust pipe is ground, by rotating the workbench and then grinding the other end face, the two ends of the exhaust pipe are not ground synchronously, resulting in a large room for improvement in grinding efficiency;

[0006] By clamping and grinding the exhaust pipe at the same station, this method is not suitable for the continuous production and processing of a large number of exhaust pipes.

[0007] To sum up, the existing technology is obviously inconvenient and defective in actual use, so it is necessary to improve it. Content of the Utility Model

[0008] In view of the deficiencies in the background technique, the utility model provides a processing and grinding device for the end face of an automobile exhaust pipe, which can realize the step-by-step continuous conveying of the exhaust pipe, and the two ends of the exhaust pipe are ground simultaneously during the conveying process, significantly improving the grinding efficiency, and can be applicable to the continuous production and processing of a large number of exhaust pipes.

[0009] To solve the above technical problems, the utility model adopts the following technical solutions:

[0010] A processing and grinding device for the end face of an automobile exhaust pipe includes a continuous conveying mechanism. A dust-proof box body is installed on the top of the continuous conveying mechanism, and a grinding mechanism is installed inside the dust-proof box body;

[0011] The continuous conveying mechanism includes a conveying box body. A conveyor belt is installed along the length direction of the inner cavity of the conveying box body. A plurality of uniformly distributed fixture bases are fixedly installed on the periphery of the conveyor belt, and two left-right symmetric U-shaped fixtures are buckled on each fixture base;

[0012] The grinding mechanism includes an active housing and a driven housing that can move toward each other. The opposite movement of the active housing and the driven housing is powered by a bidirectional telescopic cylinder. Two symmetrically arranged grinding heads are installed on the opposite inner sides of the active housing and the driven housing. The grinding heads are respectively installed on grinding shafts, and the grinding shafts are rotatably installed in the active housing and the driven housing.

[0013] Furthermore, a supporting mechanism is provided at the bottom of the continuous conveying mechanism.

[0014] Furthermore, the top of the conveying box is provided with an opening; both ends of the conveying belt are respectively wound around transmission rollers, and the transmission rollers are rotatably mounted on the inner wall of the conveying box.

[0015] Furthermore, the U-shaped clamp is buckled with the clamp base and fastened by a nut, and a circular clamping space is formed between the U-shaped clamp and the clamp base.

[0016] Furthermore, arc-shaped rubber pads are provided on the inner sides of the clamp base and the U-shaped clamp facing each other.

[0017] Furthermore, a negative pressure air intake port is provided on the top of the dustproof box, and the negative pressure air intake port is connected to the dust removal device through a pipeline.

[0018] Furthermore, the tops of the active housing and the driven housing are slidably connected to the linear slide rails through sliders. The length direction of the linear slide rails is perpendicular to the conveying direction of the exhaust pipe, and both ends of the linear slide rails are fixed to the inner wall of the dustproof housing.

[0019] Furthermore, the bidirectional telescopic cylinder is fixed to the bottom of the linear slide rail, and the bidirectional telescopic cylinder has two synchronously telescopic piston rods, and the piston rod heads are connected to the sliders on the top of the active box and the driven box.

[0020] Furthermore, the grinding shaft in the active housing is in transmission connection with the motor, and the motor is mounted on the outer wall of the active housing.

[0021] Furthermore, a driving shaft is rotatably mounted on the side wall of the active housing close to the driven housing, and the driving shaft is transmission-connected to the grinding shaft in the active housing; a driven shaft is rotatably mounted on the side wall of the driven housing close to the active housing, and the driven shaft is transmission-connected to the grinding shaft in the driven housing; the driving shaft and the driven shaft are connected by a spline.

[0022] Compared with the prior art, the present invention has the following advantages after adopting the above technical solution:

[0023] The continuous conveying mechanism in this utility model can achieve the step-by-step conveying of the exhaust pipe, and can continuously convey the exhaust pipe into the dust-proof box body. The grinding mechanism in the dust-proof box body can grind both ends of the exhaust pipe simultaneously, and the grinding of both ends of the exhaust pipe is driven by one motor; this utility model can significantly improve the grinding efficiency and is applicable to the continuous production and processing of a large number of exhaust pipes.

[0024] The following will describe this utility model in detail with reference to the drawings and embodiments. Brief Description of the Drawings

[0025] Figure 1 is the structural schematic diagram of this utility model;

[0026] Figure 2 is the structural schematic diagram of the continuous conveying mechanism in this utility model;

[0027] Figure 3 is the structural schematic diagram of the fixture base and the U-shaped fixture;

[0028] Figure 4 is the structural schematic diagram of the grinding mechanism in this utility model.

[0029] In the figure, 1 - continuous conveying mechanism, 11 - conveying box body, 12 - driving roller, 13 - conveyor belt, 14 - fixture base, 15 - U-shaped fixture; 2 - dust-proof box body, 21 - negative pressure suction port; 3 - grinding mechanism, 31 - active box body, 32 - driven box body, 33 - linear slide rail, 34 - double-acting telescopic cylinder, 35 - grinding head, 36 - grinding shaft, 37 - motor, 38 - active shaft, 39 - driven shaft; 4 - support mechanism, 5 - exhaust pipe. Detailed Embodiment

[0030] For a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model will now be described with reference to the drawings.

[0031] As Figures 1 - 4 shown, this utility model provides an automobile exhaust pipe end face processing and grinding device, which includes a continuous conveying mechanism 1. A support mechanism 4 is provided at the bottom of the continuous conveying mechanism , and a dust-proof box body 2 is installed on the top of the continuous conveying mechanism 1. A grinding mechanism 3 is installed inside the dust-proof box body 2. The continuous conveying mechanism 1 conveys the exhaust pipe 5 to the dust-proof box body 2, and the grinding mechanism 3 grinds both ends of the exhaust pipe 5 simultaneously.

[0032] The continuous conveying mechanism 1 includes a conveying box body 11. The top of the conveying box body 11 is open. A conveyor belt 13 is installed in the inner cavity of the conveying box body 11 along the length direction. Both ends of the conveyor belt 13 are respectively wound around the driving rollers 12, and the driving rollers 12 are rotatably installed on the inner wall of the conveying box body 11.

[0033] The periphery of the conveyor belt 13 is fixedly installed with multiple evenly distributed clamp bases 14, and each clamp base 14 is fastened with two left-right symmetrical U-shaped clamps 15. The U-shaped clamps 15 are fastened to the clamp base 14 and fastened by nuts. A circular clamping space is formed between the U-shaped clamps 15 and the clamp base 14, and the exhaust pipe 5 is passed through and fastened in the clamping space.

[0034] The inner sides of the clamp base 14 and the U-shaped clamp 15 facing each other are both provided with arc-shaped rubber pads to prevent indentations on the surface of the exhaust pipe 5 during the process of clamping the exhaust pipe 5 .

[0035] A negative pressure air intake port 21 is provided on the top of the dustproof box 2, and the negative pressure air intake port 21 is connected to a dust removal device through a pipeline, so that the grinding dust is directly sucked away and processed.

[0036] The polishing mechanism 3 includes an active box 31 and a driven box 32 that can move toward each other. The tops of the active box 31 and the driven box 32 are slidably connected to the linear slide 33 through sliders. The length direction of the linear slide 33 is set perpendicular to the conveying direction of the exhaust pipe 5, and the two ends of the linear slide 33 are fixed to the inner wall of the dustproof box 2.

[0037] The relative movement of the active box 31 and the driven box 32 is powered by a two-way telescopic cylinder 34, which is fixed to the bottom of the linear slide 33. The two-way telescopic cylinder 34 has two synchronously telescopic piston rods, and the heads of the piston rods are connected to the sliders at the top of the active box 31 and the driven box 32.

[0038] Two symmetrically arranged grinding heads 35 are installed on the inner sides of the active housing 31 and the driven housing 32 . The grinding heads 35 are respectively mounted on grinding shafts 36 . The grinding shafts 36 are rotatably mounted in the active housing 31 and the driven housing 32 .

[0039] The grinding shaft 36 in the active housing 31 is in transmission connection with the motor 37 , and the motor 37 is mounted on the outer wall of the active housing 31 .

[0040] A driving shaft 38 is rotatably mounted on the side wall of the active housing 31 close to the driven housing 32 , and the driving shaft 38 is transmission-connected to the grinding shaft 36 in the active housing 31 .

[0041] A driven shaft 39 is rotatably mounted on the side wall of the driven housing 32 close to the active housing 31 , and the driven shaft 39 is in transmission connection with the grinding shaft 36 in the driven housing 32 .

[0042] The driving shaft 38 and the driven shaft 39 are connected by a spline. The driving shaft 38 and the driven shaft 39 can slide relative to each other and transmit torque, thereby transmitting the power in the driving housing 31 to the driven housing 32.

[0043] Specific working principle of the utility model:

[0044] The continuous conveying mechanism 1 in the utility model can realize the step-by-step conveying of the exhaust pipe 5, and can continuously convey the exhaust pipe 5 into the dust-proof box body 2. The grinding mechanism 3 in the dust-proof box body 2 can grind both ends of the exhaust pipe 5 simultaneously, and the grinding of both ends of the exhaust pipe 5 is driven by a single motor 37.

[0045] During grinding, the double-acting telescopic cylinder 34 retracts to drive the active box body 31 and the driven box body 32 to move towards each other, so that the two grinding heads 35 are attached to both ends of the exhaust pipe 5. Then, the motor 37 drives the grinding shaft 36 in the active box body 31 to rotate. The grinding shaft 36 in the active box body 31 transmits the power to the driving shaft 38, the driven shaft 39, and the grinding shaft 36 in the driven box body 32 in sequence. The grinding shafts 36 in the active box body 31 and the driven box body 32 drive the grinding heads 35 to rotate at high speed, realizing the simultaneous grinding of both ends of the exhaust pipe 5.

[0046] The above is an example of the best implementation mode of the utility model, and the parts not described in detail are the common general knowledge of those of ordinary skill in the art. The protection scope of the utility model shall be subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model shall also be within the protection scope of the utility model.

Claims

1. An automobile exhaust pipe end face processing and polishing device, characterized in that: It comprises a continuous conveying mechanism (1), a dustproof box (2) is installed on the top of the continuous conveying mechanism (1), and a grinding mechanism (3) is installed inside the dustproof box (2); The continuous conveying mechanism (1) comprises a conveying box (11), a conveying belt (13) is installed in the inner cavity of the conveying box (11) along the length direction, and a plurality of uniformly distributed clamp bases (14) are fixedly installed on the periphery of the conveying belt (13), and each clamp base (14) is buckled with two bilaterally symmetrical U-shaped clamps (15); The grinding mechanism (3) comprises an active housing (31) and a driven housing (32) capable of moving toward each other. The active housing (31) and the driven housing (32) are driven by a bidirectional telescopic cylinder (34). Two symmetrically arranged grinding heads (35) are mounted on the inner sides of the active housing (31) and the driven housing (32). The grinding heads (35) are respectively mounted on grinding shafts (36). The grinding shafts (36) are rotatably mounted in the active housing (31) and the driven housing (32).

2. The end face processing and grinding equipment for an automobile exhaust pipe according to claim 1, characterized in that: A supporting mechanism (4) is provided at the bottom of the continuous conveying mechanism (1).

3. The end face processing and grinding equipment for an automobile exhaust pipe according to claim 1, characterized in that: The top of the conveying box (11) is opened; both ends of the conveying belt (13) are respectively wound around the transmission rollers (12), and the transmission rollers (12) are rotatably mounted on the inner wall of the conveying box (11).

4. The end face processing and grinding equipment for an automobile exhaust pipe according to claim 1, wherein: The U-shaped clamp (15) and the clamp base (14) are buckled and fastened by a nut, and a circular clamping space is formed between the U-shaped clamp (15) and the clamp base (14).

5. The end face processing and grinding equipment for an automobile exhaust pipe according to claim 4, characterized in that: The clamp base (14) and the U-shaped clamp (15) are both provided with arc-shaped rubber pads on the inner sides facing each other.

6. A kind of automobile exhaust pipe end face processing and grinding equipment as described in claim 1, characterized in that: A negative pressure air intake port (21) is provided on the top of the dustproof box (2), and the negative pressure air intake port (21) is connected to the dust removal device via a pipeline.

7. The end face processing and grinding equipment for an automobile exhaust pipe according to claim 1, characterized in that: The tops of the active housing (31) and the driven housing (32) are both slidably connected to the linear slide rail (33) via a slider. The length direction of the linear slide rail (33) is perpendicular to the conveying direction of the exhaust pipe (5). Both ends of the linear slide rail (33) are fixed to the inner wall of the dustproof housing (2).

8. The end face processing and grinding equipment for an automobile exhaust pipe according to claim 7, wherein: The bidirectional telescopic cylinder (34) is fixed to the bottom of the linear slide rail (33). The bidirectional telescopic cylinder (34) has two synchronously telescopic piston rods, and the piston rod heads are connected to the sliders on the top of the active box (31) and the driven box (32).

9. The end face processing and grinding equipment for an automobile exhaust pipe according to claim 1, characterized in that: The grinding shaft (36) in the active housing (31) is in transmission connection with the motor (37), and the motor (37) is mounted on the outer wall of the active housing (31).

10. The end face processing and grinding equipment for an automobile exhaust pipe according to claim 9, characterized in that: A driving shaft (38) is rotatably mounted on a side wall of the active housing (31) close to the driven housing (32), and the driving shaft (38) is transmission-connected to a grinding shaft (36) in the active housing (31); a driven shaft (39) is rotatably mounted on a side wall of the driven housing (32) close to the active housing (31), and the driven shaft (39) is transmission-connected to a grinding shaft (36) in the driven housing (32); the driving shaft (38) and the driven shaft (39) are connected via a spline.

Citation Information

Patent Citations

  • Automobile exhaust pipe end face machining and grinding device

    CN218427377U