A grinding process for automobile transmission shaft production

Abstract

The application discloses a kind of grinding processes for automobile transmission shaft production, specifically includes the following steps;S1, first prepare the transmission shaft material meeting the standard, and the surface of transmission shaft is preliminarily surface treated;S2, then the transmission shaft after preliminary processing is clamped in support component, and transmission shaft clamping is fixed;S3, and two rotating grinding mechanisms for grinding processing of transmission shaft piece two ends are oppositely arranged on the upper surface of base, and the end surface and the end circumferential surface of transmission shaft piece are ground using end grinding disc and circumferential surface grinding roller in rotating grinding mechanism;The present application can simultaneously grind the end and the end circumferential surface of transmission shaft piece, improve the grinding efficiency of transmission shaft piece, and the position of circumferential surface grinding roller can be changed according to the diameter of transmission shaft piece, so that the circumferential surface grinding roller contacts the surface of transmission shaft piece, and the grinding of transmission shaft piece is carried out along with the rotation of rotating disc, which increases the stability and safety of transmission shaft piece grinding, and expands the grinding range of transmission shaft piece.

Description

Technical Field

[0001] This invention belongs to the field of automotive drive shaft grinding technology, specifically relating to a grinding process for automotive drive shaft production. Background Technology

[0002] The driveshaft is the shaft in a universal joint drive system that transmits power. It is a high-speed, low-support rotating body, making its dynamic balance crucial. Generally, driveshafts undergo dynamic balancing tests and adjustments on a balancing machine before leaving the factory. One of the machining processes for driveshafts is grinding, which uses abrasives and grinding wheels to remove excess material from the automotive driveshaft.

[0003] For example, the grinding fixture for machining automotive drive shafts with announcement number CN217702651U includes a worktable, with support legs fixedly installed at the four corners of the lower end of the worktable, a base fixedly installed at the middle of the upper end of the worktable, a grinding machine fixedly installed on the upper end of the base, fixed seats fixedly installed on both sides of the upper end of the worktable near the middle, a support frame fixedly installed on the upper end of both fixed seats, clamps fixedly installed on both sides of the upper end of the worktable, and fixed columns fixedly installed on both sides of the upper end of the worktable near the rear...

[0004] The aforementioned patents have issues with the grinding wheel position for grinding the end of the drive shaft, which is not convenient to match the diameter of the drive shaft. Furthermore, the fixed position of the drive shaft makes it difficult to rotate and adapt to the grinding wheel for grinding. The uneven grinding position also affects the grinding quality of the drive shaft surface. To address these issues, we propose a grinding process for automotive drive shaft production. Summary of the Invention

[0005] The purpose of this invention is to provide a grinding process for the production of automotive drive shafts, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a grinding process for the production of automotive drive shafts, specifically including the following steps;

[0007] S1. First, prepare drive shaft materials that meet the standards and perform preliminary surface treatment on the drive shaft surface;

[0008] S2. Next, clamp the pre-treated drive shaft in the support member to fix the drive shaft in place.

[0009] S3. Two rotary grinding mechanisms for grinding both ends of the transmission shaft are set opposite each other on the upper surface of the base. The end grinding disc and the peripheral grinding roller in the rotary grinding mechanism are used to grind the end face and the end circumferential surface of the transmission shaft. The position of the peripheral grinding roller can be adjusted by the adjusting component to adapt to transmission shafts of different diameters.

[0010] S4. Use the side scraper to scrape off the debris attached to the end of the drive shaft, and use the collection mechanism to automatically collect the debris generated during grinding.

[0011] S5. Finally, remove the ground drive shaft and inspect the ground surface at the end.

[0012] Preferably, the rotary grinding mechanism includes a rotary disk vertically mounted on the outer side of the end of the transmission shaft, a fixed seat provided on the inner side of the rotary disk, an end grinding disk for grinding the end face of the transmission shaft provided on the inner side of the fixed seat, a drive gear meshing on the front side of the rotary disk, and an adjustment component provided between the outer end of the circumferential grinding roller and the rotary disk.

[0013] The adjusting component includes a rotary motor located at the outer end of the circumferential grinding roller, and an adjusting cylinder located at the outer end of the rotary motor to change its position.

[0014] Preferably, the adjusting component further includes a vertical rail fixed to the inner side of the rotating disk and located outside the fixed seat, a movable seat slidably sleeved on the vertical rail, the rotary motor being mounted on the movable seat, and the adjusting cylinder being vertically fixed to the inner side of the vertical rail with its internal piston rod fixed to the upper surface of the movable seat.

[0015] Preferably, a drive motor is provided at the outer end of the drive gear, and a frame is provided at the bottom of the drive motor.

[0016] Preferably, the upper surface of the base is provided with two bottom rails, a sliding seat is provided above the base and slidably mounted on the bottom rails, and a moving cylinder is provided on the outer side of the base to drive the sliding seat to move.

[0017] Preferably, a support gear is provided on the rear side of the rotating disk, and a collection mechanism for collecting grinding debris is connected to the inner side of the support gear. The collection mechanism includes a support shaft passing through the support gear, and the support shaft is rotatably connected to a support frame provided on the outer side of the support gear. A fixing plate is provided at the inner end of the support shaft, and an arc-shaped plate is provided on the inner side of the support shaft. A support rod is provided between the fixing plate and the arc-shaped plate, and a collection component is connected to the lower end of the arc-shaped plate.

[0018] Preferably, an arc-shaped slider is slidably disposed inside the arc-shaped plate, the arc-shaped slider is rotatably connected to the support rod, the collecting component includes a collecting box fixed on the upper surface of the sliding seat, a piston plate is disposed inside the collecting box, and a connecting rod is disposed between the arc-shaped plate and the piston plate.

[0019] Preferably, the outer side of the collection box is provided with an exhaust pipe, the front surface of the collection box is provided with a suction pipe, the front end of the suction pipe is provided with an extension pipe, the front surface of the extension pipe is provided with a plurality of suction heads along its length, and the inner wall of the collection box is provided with a filter plate to block and filter the exhaust pipe.

[0020] Preferably, the support member includes two collars sleeved on the transmission shaft, a plurality of electric telescopic rods are vertically arranged on the circumferential surface of the collars, a vertical plate is provided on the lower surface of the collars, a support block is provided inside the vertical plate, and a fixed base plate is provided at the bottom of the support block and fixed to the surface of the base.

[0021] Preferably, the front and rear surfaces of the support block are provided with fixed sliders that penetrate the vertical plate, and limit bolts are provided between the fixed sliders and the vertical plate.

[0022] Compared with the prior art, the beneficial effects of the present invention are:

[0023] (1) The present invention can simultaneously grind the end and the peripheral surface of the transmission shaft, thereby improving the grinding efficiency of the transmission shaft. At the same time, the position of the peripheral grinding roller can be changed according to the diameter of the transmission shaft, so that the peripheral grinding roller contacts the surface of the transmission shaft. As the rotating disk rotates, the transmission shaft is ground, thereby increasing the stability and safety of the grinding process and expanding the grinding range of the transmission shaft.

[0024] (2) By combining the support gear with the collection mechanism, the support gear can support the rotating disk. At the same time, by utilizing the transmission property of the meshing of the two, the rotating support gear drives the collection mechanism to work, continuously collecting the debris generated by the grinding of the transmission shaft, reducing the trouble of manual collection and increasing the convenience of grinding the transmission shaft.

[0025] (3) The present invention can clamp and fix the transmission shaft through the designed support component, and can be adapted to transmission shafts of different diameters within a certain range, ensuring tight clamping of the circumferential surface of the transmission shaft, and can change the height position of the transmission shaft, making it convenient to change the position of the central axis, so that the transmission shaft is in a suitable grinding position. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of the automotive drive shaft grinding device of the present invention;

[0027] Figure 2 This is a rear view schematic diagram of the automotive drive shaft grinding device of the present invention;

[0028] Figure 3 For the present invention Figure 1 Schematic diagram of the rotary grinding mechanism;

[0029] Figure 4 For the present invention Figure 3 Enlarged view of region A in the middle;

[0030] Figure 5 For the present invention Figure 2 A schematic diagram of the collection mechanism;

[0031] Figure 6 For the present invention Figure 5 A schematic diagram of the internal structure of the components being collected;

[0032] Figure 7 For the present invention Figure 1 Schematic diagram of the supporting components;

[0033] In the diagram: 100, base; 101, transmission shaft; 102, support component; 1021, fixed base plate; 1022, collar; 1023, electric telescopic rod; 1024, upright plate; 1025, support block; 1026, fixed slider; 1027, limit bolt; 200, rotary grinding mechanism; 201, rotary disk; 202, end grinding disk; 203, circumferential grinding roller; 204, adjusting component; 2041, vertical rail; 2042, moving seat; 2043, rotary motor; 2044, adjusting cylinder; 205, drive gear; 2 06. Fixed seat; 207. Support gear; 208. Side scraper; 209. Drive motor; 210. Sliding seat; 211. Bottom rail; 212. Moving cylinder; 300. Collection mechanism; 301. Support shaft; 302. Fixed plate; 303. Arc plate; 304. Support rod; 305. Arc slider; 306. Collection component; 3061. Connecting rod; 3062. Exhaust pipe; 3063. Collection box; 3064. Piston plate; 3065. Extension pipe; 3066. Filter plate; 3067. Suction pipe; 3068. Suction head. Detailed Implementation

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] Example 1

[0036] Please see Figure 1 - Figure 4 The present invention provides a technical solution: a grinding process for the production of automotive drive shafts, specifically including the following steps;

[0037] S1. First, prepare drive shaft materials that meet the standards and perform preliminary surface treatment on the drive shaft surface;

[0038] S2. Next, clamp the pre-treated drive shaft in the support member 102 to fix the drive shaft.

[0039] S3. Two rotary grinding mechanisms 200 are arranged opposite to each other on the upper surface of the base 100 to grind the two ends of the transmission shaft 101. The end grinding disc 202 and the peripheral grinding roller 203 in the rotary grinding mechanism 200 are used to grind the end face and the end circumferential surface of the transmission shaft 101. The position of the peripheral grinding roller 203 can be adjusted by the adjusting component 204 to adapt to transmission shafts 101 of different diameters.

[0040] S4. The side scraper 208 is used to scrape off the debris attached to the end of the transmission shaft 101, and the collection mechanism 300 is used to automatically collect the debris generated during grinding.

[0041] S5. Finally, remove the ground drive shaft 101 and inspect the ground surface at the end.

[0042] In this embodiment, preferably, the rotary grinding mechanism 200 includes a rotary disk 201 vertically mounted on the outer side of the end of the transmission shaft 101. A fixed seat 206 is provided on the inner side of the rotary disk 201. An end grinding disk 202 for grinding the end face of the transmission shaft 101 is provided on the inner side of the fixed seat 206. A fixing screw is provided between the fixed seat 206 and the end grinding disk 202 to realize the detachable fixing of the end grinding disk 202, which facilitates the replacement of end grinding disks 202 of different diameters. A drive gear 205 is meshed on the front side of the rotary disk 201. An adjustment member 204 is provided between the outer end of the circumferential grinding roller 203 and the rotary disk 201.

[0043] The adjusting component 204 includes a rotary motor 2043 disposed at the outer end of the peripheral grinding roller 203. The rotary motor 2043 can drive the peripheral grinding roller 203 to rotate and grind the surface of the transmission shaft 101. An adjusting cylinder 2044 is disposed at the outer end of the rotary motor 2043 to change its position.

[0044] In this embodiment, preferably, the adjusting component 204 further includes a vertical rail 2041 fixed on the inner side of the rotating disk 201 and located on the outer side of the fixed seat 206. The adjusting component 204 can change the diameter position of the circumferential grinding roller 203 on the rotating disk 201, which is convenient for adapting to transmission shafts 101 of different diameters and for the circumferential grinding roller 203 to contact the circumferential surface of the transmission shaft 101. A movable seat 2042 is slidably sleeved on the vertical rail 2041, and a rotary motor 2043 is mounted on the movable seat 2042. An adjusting cylinder 2044 is vertically fixed on the inner side of the vertical rail 2041 and its internal piston rod is fixed on the upper surface of the movable seat 2042. The adjusting cylinder 2044 can change the height position of the movable seat 2042 and the circumferential grinding roller 203.

[0045] In this embodiment, preferably, a drive motor 209 is provided at the outer end of the drive gear 205. The drive motor 209 can drive the drive gear 205 to rotate, thereby driving the rotating disk 201 meshing with it to rotate. A frame is provided at the bottom of the drive motor 209 to increase the installation strength of the drive motor 209.

[0046] In this embodiment, preferably, two bottom rails 211 are provided on the upper surface of the base 100 to provide stable support for the sliding seat 210. The sliding seat 210 is slidably mounted on the bottom rails 211 above the base 100. A moving cylinder 212 is provided on the outer side of the base 100 to drive the sliding seat 210 to move. The moving cylinder 212 can drive the sliding seat 210 to move, thereby driving the various components on it to move closer to the end of the transmission shaft 101, and grinding the end face and end circumferential surface of the transmission shaft 101.

[0047] In summary, after the transmission shaft 101 is clamped by the support member 102, the end grinding disc 202 of a suitable diameter can be replaced according to the diameter of the transmission shaft 101. Simultaneously, the adjusting cylinder 2044 operates, and its internal piston rod extends to move the moving seat 2042 along the vertical rail 2041, changing the position of the circumferential grinding roller 203 on the rotating disk 201. When the position is suitable, the adjusting cylinder 2044 stops operating, and the moving cylinder 212 operates, driving the sliding seat 210 to move along the bottom rail 211 towards the transmission shaft 101 until the end grinding disc 202 contacts the end of the transmission shaft 101, and the circumferential grinding roller 203 contacts the circumferential surface of the end of the transmission shaft 101. The drive motor 209 then operates, driving the drive gear 205 to rotate. The rotating disk 201, which meshes with the rotating disk 201, rotates, causing the end grinding disk 202 to grind the end of the transmission shaft 101. The peripheral grinding roller 203 is connected to the rotating disk 201, so it rotates around the transmission shaft 101 with the rotating disk 201, grinding the peripheral surface of the transmission shaft 101. At the same time, the rotating motor 2043 drives the peripheral grinding roller 203 to rotate, further grinding the surface of the transmission shaft 101. While the rotating disk 201 is rotating, the side scraper 208 scrapes off the debris generated by grinding the surface of the transmission shaft 101, making it easier to clean later. The whole process increases the convenience of grinding the surface of the transmission shaft 101, expands the grinding range of the transmission shaft 101, and improves the grinding efficiency of the transmission shaft 101.

[0048] Example 2

[0049] Reference Figure 5 and Figure 6 This is the second embodiment of the present invention.

[0050] In this embodiment, preferably, a support gear 207 is provided on the rear side of the rotating disk 201. The support gear 207 can support the rotating disk 201, and at the same time, the meshing transmission between the two allows the rotating support gear 207 to drive the collection mechanism 300 to work, continuously collecting the debris generated by grinding the transmission shaft 101, reducing the trouble of manual collection and increasing the convenience of grinding the transmission shaft 101. The collection mechanism 300 for collecting grinding debris is connected to the inner side of the support gear 207. The collection mechanism 300 includes a support shaft 301 that passes through the support gear 207, supporting... The shaft 301 is rotatably connected to the support frame on the outside of the support gear 207. While supporting the support gear 207, the support shaft 301 can rotate with the rotating disk 201, driving the support gear 207 to rotate. A fixed plate 302 is provided at the inner end of the support shaft 301, and an arc plate 303 is provided on the inner side of the support shaft 301. An arc-shaped slide is provided on the surface of the arc plate 303. A support rod 304 is provided between the fixed plate 302 and the arc plate 303. The support rod 304 is rotatably connected to the fixed plate 302. A collecting component 306 is connected to the lower end of the arc plate 303.

[0051] In this embodiment, preferably, an arc-shaped slider 305 is slidably disposed inside the arc-shaped plate 303. To accommodate the rotation of the support shaft 301 and facilitate the sliding of the arc-shaped slider 305 within the arc-shaped slide rail, the arc-shaped slider 305 is rotatably connected to the support rod 304. The collecting component 306 includes a collecting box 3063 fixed to the upper surface of the sliding seat 210. A piston plate 3064 is disposed inside the collecting box 3063. A connecting rod 3061 is disposed between the arc-shaped plate 303 and the piston plate 3064. The connecting rod 3061 can move with the movement of the arc-shaped plate 303. An exhaust pipe 3062 is provided on the outer side of the collection box 3063, and a suction pipe 3067 is provided on the front surface of the collection box 3063. Both the suction pipe 3067 and the exhaust pipe 3062 are provided with pipe valves to close or open the internal channels of the two. An extension pipe 3065 is vertically provided at the front end of the suction pipe 3067, and multiple suction heads 3068 are provided along the length of the front surface of the extension pipe 3065. A filter plate 3066 is provided on the inner wall of the collection box 3063 to block and filter the exhaust pipe 3062, which can filter the debris mixed in when the gas is discharged.

[0052] In summary, during use, the rotating disk 201 rotates, driving the meshing support gear 207 to rotate, which in turn drives the support shaft 301 to rotate. The support shaft 301 then drives the fixed plate 302 to rotate, which in turn drives the support rod 304 and the arc-shaped slider 305 to rotate. When the arc-shaped slider 305 rotates to the rear, it drives the arc-shaped plate 303 to move backward, which in turn drives the connecting rod 3061 to move backward. At this time, the pipe valve on the suction pipe 3067 opens, while the pipe valve on the exhaust pipe 3062 closes. The piston plate 3064 moves backward with the connecting rod 3061, expanding the internal space of the collection box 3063 and creating a pressure difference, which in turn drives the suction head 3... Debris near 068 is drawn into the collection box 3063. When the fixed plate 302 rotates to the front, it will drive the connecting rod 3061 to move forward, pushing the piston plate 3064 to move forward. At this time, the pipe valve on the suction pipe 3067 is closed, while the pipe valve on the exhaust pipe 3062 is opened, and the drawn gas is discharged outward. The debris is filtered and retained in the collection box 3063 by the filter plate 3066. The whole process is repeated to continuously draw out the debris and retain it in the collection box 3063. Finally, it can be discharged through the discharge door set on the side of the collection box 3063. The discharge door is normally sealed to increase the convenience of grinding the transmission shaft 101.

[0053] Example 3

[0054] Reference Figure 7 This is the third embodiment of the present invention.

[0055] In this embodiment, preferably, the support member 102 includes two collars 1022 sleeved on the transmission shaft 101. The support member 102 can clamp and fix the transmission shaft 101, and can adapt to transmission shafts 101 of different diameters within a certain range, ensuring a tight fit and clamping of the circumferential surface of the transmission shaft 101 without any false contact. It can also change the height position of the transmission shaft 101, making it easy to change the position of the central axis and facilitating the placement of the transmission shaft 101 in a suitable grinding position. Multiple electric telescopic rods 1023 are vertically arranged on the circumferential surface of the collars 1022. The rod ends inside the multiple electric telescopic rods 1023 are spherical blocks, which facilitate fitting against the surface of the transmission shaft 101, and the multiple spherical blocks provide space for the transmission shaft 101 to be placed. The space is adjustable. A vertical plate 1024 is provided on the lower surface of the collar 1022. A support block 1025 is provided inside the vertical plate 1024. A fixed base plate 1021 is provided at the bottom of the support block 1025 and fixed to the surface of the base 100. The fixed base plate 1021 is fixed by screws for easy disassembly and assembly. Fixed sliders 1026 are provided on the front and rear surfaces of the support block 1025 and pass through the vertical plate 1024. The fixed slider 1026 can be T-shaped when viewed from above. A rectangular hole is opened on the surface of the vertical plate 1024 for the fixed slider 1026 to pass through. A limit bolt 1027 is provided between the fixed slider 1026 and the vertical plate 1024. The limit bolt 1027 contacts the fixed vertical plate 1024 and the position of the fixed slider 1026 can be fixed by the frictional resistance of the contact.

[0056] In summary, the fixed base plate 1021 is fixed to the surface of the base 100 with screws. At this time, the rod in the electric telescopic rod 1023 is in the retracted state, and the space between the four spherical blocks is large enough to place the transmission shaft 101 between the two collars 1022. When the transmission shaft 101 is in the correct position, the electric telescopic rod 1023 works, and the internal rod extends to drive the spherical blocks to move until they are in contact with the surface of the transmission shaft 101, so that the four spherical blocks keep clamping and fixing the transmission shaft 101. At the same time, according to the diameter of the clamped transmission shaft 101, the upright plate 1024 can be moved up or down along the fixed slider 1026 to adjust the position of the central axis of the transmission shaft 101. When the height position is appropriate, the limit bolt 1027 is rotated to fix the position of the upright plate 1024, thereby stably fixing the transmission shaft 101 and increasing the stability of the grinding process of the transmission shaft 101.

[0057] Example 4

[0058] This embodiment is obtained by combining Embodiment 1, Embodiment 2 and Embodiment 3.

[0059] In use, the drive shaft 101 is clamped and fixed by the support member 102, and its processing height is adjusted. The two rotary grinding mechanisms 200 can grind both ends of the drive shaft 101 at the same time. The diameter of the end grinding disc 202 and the height position of the circumferential grinding roller 203 are changed according to the diameter of the drive shaft 101 to expand the grinding range of the drive shaft 101. The grinding debris can be collected and processed by the collection mechanism 300, which increases the convenience of grinding the drive shaft 101.

[0060] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A grinding process for manufacturing automotive drive shafts, characterized in that: Specifically, it includes the following steps; S1. First, prepare drive shaft materials that meet the standards and perform preliminary surface treatment on the drive shaft surface; S2. Then, clamp the pre-processed drive shaft in the support member (102) to fix the drive shaft. S3. Two rotary grinding mechanisms (200) for grinding the two ends of the transmission shaft (101) are arranged opposite to each other on the upper surface of the base (100). The end grinding disc (202) and the peripheral grinding roller (203) in the rotary grinding mechanism (200) are used to grind the end face and the end circumferential surface of the transmission shaft (101). The position of the peripheral grinding roller (203) can be adjusted by the adjusting component (204) to adapt to transmission shafts (101) of different diameters. S4. The side scraper (208) is used to scrape off the debris attached to the end of the drive shaft (101), and the collection mechanism (300) is used to automatically collect the debris generated during grinding. S5. Finally, remove the ground drive shaft (101) and inspect the ground surface at the end. The rotary grinding mechanism (200) includes a rotary disk (201) vertically mounted on the outer side of the end of the transmission shaft (101). A fixed seat (206) is provided on the inner side of the rotary disk (201). An end grinding disk (202) for grinding the end face of the transmission shaft (101) is provided on the inner side of the fixed seat (206). A drive gear (205) is meshed on the front side of the rotary disk (201). An adjustment member (204) is provided between the outer end of the circumferential grinding roller (203) and the rotary disk (201). The adjusting component (204) includes a rotary motor (2043) provided at the outer end of the peripheral grinding roller (203), and an adjusting cylinder (2044) for changing its position is provided at the outer end of the rotary motor (2043). The adjusting component (204) also includes a vertical rail (2041) fixed on the inner side of the rotating disk (201) and located on the outer side of the fixed seat (206). A movable seat (2042) is slidably sleeved on the vertical rail (2041). The rotary motor (2043) is mounted on the movable seat (2042). The adjusting cylinder (2044) is vertically fixed on the inner side of the vertical rail (2041) and its internal piston rod is fixed on the upper surface of the movable seat (2042).

2. The grinding process for manufacturing automotive drive shafts according to claim 1, characterized in that: The drive gear (205) is provided with a drive motor (209) at its outer end, and the drive motor (209) is provided with a frame at its bottom.

3. The grinding process for manufacturing automotive drive shafts according to claim 2, characterized in that: The upper surface of the base (100) is provided with two bottom rails (211), and a sliding seat (210) is provided above the base (100) and slidably mounted on the bottom rails (211). A moving cylinder (212) for driving the sliding seat (210) to move is provided on the outside of the base (100).

4. The grinding process for manufacturing automotive drive shafts according to claim 2, characterized in that: A support gear (207) is provided on the rear side of the rotating disk (201). A collection mechanism (300) for collecting grinding debris is connected to the inner side of the support gear (207). The collection mechanism (300) includes a support shaft (301) that passes through the support gear (207). The support shaft (301) is rotatably connected to a support frame provided on the outer side of the support gear (207). A fixing plate (302) is provided at the inner end of the support shaft (301). An arc plate (303) is provided on the inner side of the support shaft (301). A support rod (304) is provided between the fixing plate (302) and the arc plate (303). A collection component (306) is connected to the lower end of the arc plate (303).

5. The grinding process for manufacturing automotive drive shafts according to claim 4, characterized in that: An arc-shaped slider (305) is slidably disposed inside the arc-shaped plate (303). The arc-shaped slider (305) is rotatably connected to the support rod (304). The collecting component (306) includes a collecting box (3063) fixed on the upper surface of the sliding seat (210). A piston plate (3064) is disposed inside the collecting box (3063). A connecting rod (3061) is disposed between the arc-shaped plate (303) and the piston plate (3064).

6. The grinding process for manufacturing automotive drive shafts according to claim 5, characterized in that: The outer side of the collection box (3063) is provided with an exhaust pipe (3062), the front surface of the collection box (3063) is provided with a suction pipe (3067), the front end of the suction pipe (3067) is vertically provided with an extension pipe (3065), the front surface of the extension pipe (3065) is provided with a plurality of suction heads (3068) along its length direction, and the inner wall of the collection box (3063) is provided with a filter plate (3066) for blocking and filtering the exhaust pipe (3062).

7. The grinding process for manufacturing automotive drive shafts according to claim 1, characterized in that: The support member (102) includes two collars (1022) sleeved on the transmission shaft (101). Multiple electric telescopic rods (1023) are vertically arranged on the circumferential surface of the collars (1022). A vertical plate (1024) is provided on the lower surface of the collars (1022). A support block (1025) is provided inside the vertical plate (1024). A fixed base plate (1021) fixed to the surface of the base (100) is provided at the bottom of the support block (1025).

8. The grinding process for manufacturing automotive drive shafts according to claim 7, characterized in that: The front and rear surfaces of the support block (1025) are provided with a fixed slider (1026) that penetrates the vertical plate (1024), and a limit bolt (1027) is provided between the fixed slider (1026) and the vertical plate (1024).

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