Polishing device for automobile transmission shaft machining

By designing a grinding device for automotive drive shafts, and using an exchange component to drive the detection component and the grinding component to move synchronously in opposite directions, the problem of not being able to detect grinding deviations in time in the existing technology is solved, and real-time detection and precise grinding of the drive shaft surface are realized.

CN223749223UActive Publication Date: 2026-01-02JIANGSU SANFU MASCH CO LTD
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Patent Information

Application Number
CN202520280203.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-01-02
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

The existing grinding equipment for automotive drive shafts cannot detect grinding conditions in a timely manner, resulting in surface deviations and affecting the use of the drive shaft.

Method used

A device comprising a grinding table, a detection component, a grinding component, and an exchange component is designed. The exchange component drives the detection component and the grinding component to move synchronously in opposite directions, enabling real-time detection of the drive shaft surface after grinding and improving grinding accuracy.

Benefits of technology

Real-time detection of drive shaft surface grinding was achieved, improving grinding accuracy and quality and ensuring the performance of the drive shaft.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223749223U_ABST
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Abstract

The utility model discloses a polishing device for machining an automobile transmission shaft, and relates to the technical field of automobile transmission shaft machining. The detection assembly is arranged on the support and used for detecting the surface quality of the transmission shaft; the polishing assembly is also arranged on the support, is opposite to the detection assembly and is used for polishing the surface of the transmission shaft; and the exchange assembly is arranged on the support and can drive the detection assembly and the grinding assembly to synchronously and reversely move. The polishing assembly polishes the surface of the transmission shaft firstly, after a certain range of transmission is polished, the exchange assembly drives the polishing assembly to leave the transmission shaft, the detection assembly makes contact with the transmission shaft, the polishing position is detected, the polishing precision is observed, and the polishing precision is improved in the mode that the transmission shaft is polished section by section and detected section by section.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile transmission shaft processing, and particularly relates to a polishing device for automobile transmission shaft processing. BACKGROUND

[0002] In the automobile manufacturing industry, the transmission shaft is a key transmission component, and the surface quality thereof directly affects the running efficiency and safety of the automobile. Therefore, it is particularly important to accurately polish the transmission shaft.

[0003] At present, some small repair shops cannot observe the polishing condition in time during the polishing process when polishing the automobile transmission shaft, so that the transmission shaft surface polishing deviates, causing the transmission shaft to be unusable. UTILITY MODEL CONTENTS

[0004] The utility model discloses a polishing device for automobile transmission shaft processing to solve the problem that the existing polishing device for automobile transmission shaft processing cannot find the polishing condition in time.

[0005] In order to solve the problem of the prior art, the utility model adopts the following technical scheme:

[0006] A polishing device for automobile transmission shaft processing, comprising a polishing table, a support is fixedly arranged on the upper surface of the polishing table;

[0007] A detection assembly is arranged on the support and is used for detecting the surface quality of the transmission shaft.

[0008] A polishing assembly is also arranged on the support and is arranged opposite to the detection assembly, and is used for polishing the surface of the transmission shaft.

[0009] An exchange assembly is arranged on the support and can drive the detection assembly and the polishing assembly to move synchronously and reversely, so that the detection assembly can move to the corresponding position to detect the polished surface after the polishing assembly completes the polishing of the surface of the transmission shaft.

[0010] Preferably, the detection assembly comprises a vernier caliper and a dial indicator, and the vernier caliper and the dial indicator are arranged in parallel on the exchange assembly.

[0011] Preferably, the polishing assembly comprises a rotating shaft and a grinding wheel, the grinding wheel is installed on the rotating shaft, and the rotating shaft is arranged on the exchange assembly away from the grinding wheel.

[0012] Preferably, the exchange assembly comprises a first moving rod and a second moving rod, the first moving rod and the second moving rod are both slidingly arranged on a support, one end of the first moving rod is fixedly connected with the vernier caliper and the dial gauge, the end of the rotating shaft away from the grinding wheel is rotationally connected with the second moving rod, the inner side of the first moving rod and the second moving rod are both fixedly provided with a toothed plate, and a gear is rotationally arranged in the middle of the support, and the two toothed plates are both engaged with the two sides of the gear.

[0013] Preferably, a guide rail is fixedly arranged on the upper surface of the polishing table, and a fixing assembly is arranged on the sliding block of the guide rail, and the fixing assembly is used for fixing the transmission shaft.

[0014] Preferably, the fixing assembly comprises a fixing frame, the lower end of the fixing frame is fixedly connected with the sliding block of the guide rail, and a connecting piece is rotationally arranged on the fixing frame and used for fixing the end of the transmission shaft.

[0015] Compared with the prior art, the polishing table has the following beneficial effects:

[0016] 1. In the polishing table, the polishing assembly first polishes the surface of the transmission shaft, and after polishing a certain range of the transmission, the exchange assembly drives the polishing assembly to move away from the transmission shaft, the detection assembly is in contact with the transmission shaft, the polishing position is detected, the polishing precision is observed, and the polishing precision is improved through the method of polishing and detecting the transmission shaft in sections.

[0017] 2. In the polishing table, the guide rail is arranged, the guide rail drives the transmission shaft to move towards the grinding wheel, the surface of the transmission shaft is conveniently polished, the detection assembly is located on the side of the grinding wheel, the position of the transmission shaft after polishing moves to the position of the detection assembly, and the detection assembly detects the polished transmission and realizes real-time detection of the polishing of the transmission shaft. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which are included to provide a further understanding of the present application and constitute a part of this application, illustrate embodiments of the present application and serve to explain the present application, and do not constitute improper limitations on the present application. In the drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0020] Figure 2 It is a schematic diagram of the support structure of the present application;

[0021] Figure 3 It is a schematic diagram of the exchange assembly structure of the present application;

[0022] Figure 4 It is a schematic diagram of the guide rail and the connecting piece structure of the present application.

[0023] Figure No. 1, polishing table; 11, support; 12, detection assembly; 121, vernier caliper; 122, dial indicator; 13, polishing assembly; 131, rotating shaft; 132, grinding wheel; 2, exchange assembly; 21, first moving rod; 22, second moving rod; 23, gear; 24, toothed plate; 3, guide rail; 31, fixing assembly; 32, fixing frame; 33, connecting piece. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] Embodiment: the embodiment provides a polishing device for automobile transmission shaft machining, referring to Figures 1-4 , specifically, including polishing table 1, the upper surface of which is fixedly provided with support 11, support 11 is concave, a groove is formed in the middle part, and exchange assembly 2 is located in the middle groove;

[0026] Detection assembly 12 is arranged on support 11 and is used for detecting the surface quality of the transmission shaft, and detection assembly 12 is used for detecting the surface condition of the transmission shaft;

[0027] Polishing assembly 13 is also arranged on support 11 and is arranged opposite to detection assembly 12, and is used for polishing the surface of the transmission shaft, and polishing assembly 13 is used for polishing the surface of the transmission shaft and is parallel to detection assembly 12;

[0028] Exchange assembly 2 is arranged on support 11 and can drive detection assembly 12 and polishing assembly 13 to move synchronously and reversely, so that detection assembly 12 can move to the corresponding position to detect the polished surface after polishing assembly 13 completes polishing of the surface of the transmission shaft, polishing assembly 13 polishes the surface of the transmission shaft first, and after polishing a certain range, exchange assembly 2 drives polishing assembly 13 to move away from the transmission shaft, and detection assembly 12 contacts the transmission shaft to detect the polishing position and observe the polishing precision, and the polishing precision is improved by the method of polishing the transmission shaft for a period and detecting for a period.

[0029] In the specific implementation process, as shown in Figure 2 and Figure 3 , detection assembly 12 includes vernier caliper 121 and dial indicator 122, and vernier caliper 121 and dial indicator 122 are arranged in parallel on exchange assembly 2;

[0030] The vernier caliper 121 and the micrometer 122 are existing detection tools, the micrometer 122 is used for detecting the roundness runout of the transmission shaft, in use, only the detection end of the micrometer 122 is contacted with the transmission shaft, after the transmission shaft rotates, the data on the micrometer 122 is observed, the vernier caliper 121 is used for detecting the diameter of the transmission shaft, in use, the transmission shaft is surrounded by two vernier calipers 121.

[0031] In the specific implementation process, as shown in Figure 2 and Figure 3 , the polishing assembly 13 includes a rotating shaft 131 and a grinding wheel 132, the grinding wheel 132 is installed in the middle of the rotating shaft 131, and the end of the rotating shaft 131 away from the grinding wheel 132 is arranged on the exchange assembly 2.

[0032] The end of the rotating shaft 131 is connected with a motor, the rotating shaft 131 is driven to rotate by the motor, the grinding wheel 132 is driven to rotate by the rotating shaft 131, and the grinding wheel 132 is contacted with the surface of the transmission shaft to polish the transmission shaft.

[0033] In the specific implementation process, as shown in Figure 2 and Figure 3 , the exchange assembly 2 includes a first moving rod 21 and a second moving rod 22, the first moving rod 21 and the second moving rod 22 are both slidingly arranged on the support 11, the end of the first moving rod 21 is fixedly connected with the vernier caliper 121 and the micrometer 122, the end of the rotating shaft 131 away from the grinding wheel 132 is rotatably connected with the second moving rod 22, the inner sides of the first moving rod 21 and the second moving rod 22 are both fixedly provided with toothed plates 24, and the middle of the support 11 is rotatably provided with a gear 23, both toothed plates 24 are meshed with both sides of the gear 23.

[0034] The shaft at the center of the gear 23 is connected with a motor, the motor is installed below the support 11, the gear 23 is driven to rotate by the motor, the toothed plates 24 on both sides of the gear 23 are driven to move, the first moving rod 21 and the second moving rod 22 are respectively driven to move in opposite directions by the two toothed plates 24, the first moving rod 21 drives the vernier caliper 121 and the micrometer 122 to move away from or close to the transmission shaft, and the second moving rod 22 drives the grinding wheel 132 to move away from or close to the surface of the transmission shaft, so that the polishing and detection of the transmission shaft are intermittently operated, and the polishing quality is improved.

[0035] In the specific implementation process, as shown in Figure 1 and Figure 4As shown, the polishing table 1 upper surface is fixedly provided with a guide rail 3, a sliding block of the guide rail 3 is provided with a fixing assembly 31, the fixing assembly 31 is used for fixing the transmission shaft; the guide rail 3 is provided with a lead screw, the lead screw is controlled by a motor, the sliding block is driven to move by the rotation of the lead screw, the fixing assembly 31 is driven to move horizontally by the sliding block, the transmission shaft on the fixing assembly 31 is moved to the direction of the grinding wheel 132, the surface of the transmission shaft is conveniently polished completely, and the detection assembly 12 is located on one side of the grinding wheel 132, the position of the transmission shaft after polishing is moved to the position of the detection assembly 12, and the detection assembly 12 detects the transmission after polishing.

[0036] In the specific implementation process, as shown in Figure 1 and Figure 4 The fixing assembly 31 comprises a fixing frame 32, the lower end of the fixing frame 32 is fixedly connected with the sliding block of the guide rail 3, and a connecting piece 33 is rotationally arranged on the fixing frame 32, the connecting piece 33 is used for fixing the end portion of the transmission shaft.

[0037] The end portion of the transmission shaft is inserted on the connecting piece 33, the position of the transmission shaft is fixed by bolts penetrating through the connecting piece 33 and the transmission shaft, since the connecting piece 33 is connected with the output end of the motor, the connecting piece 33 is driven to rotate by the motor, the transmission shaft is driven to rotate by the connecting piece 33, and polishing and detection are facilitated.

[0038] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A grinding device for machining of automotive propeller shafts, characterized in that, The polishing table (1) is characterized in that: a support (11) is fixedly arranged on the upper surface of the polishing table (1); a detection assembly (12) is arranged on the support (11) and used for detecting the surface quality of the transmission shaft; a polishing assembly (13) is also arranged on the support (11) and arranged opposite to the detection assembly (12), and used for polishing the surface of the transmission shaft; an exchange assembly (2) is arranged on the support (11) and capable of driving the detection assembly (12) and the polishing assembly (13) to move synchronously and reversely, so that the detection assembly (12) can move to a corresponding position to detect the polished surface after the polishing assembly (13) completes the polishing of the surface of the transmission shaft. The detection assembly (12) comprises a vernier caliper (121) and a dial indicator (122), and the vernier caliper (121) and the dial indicator (122) are arranged in parallel on the exchange assembly (2). The polishing assembly (13) comprises a rotating shaft (131) and a grinding wheel (132), the grinding wheel (132) is arranged on the rotating shaft (131) at the middle part, and the rotating shaft (131) is arranged on the exchange assembly (2) away from the grinding wheel (132). The exchange assembly (2) comprises a first moving rod (21) and a second moving rod (22), the first moving rod (21) and the second moving rod (22) are both arranged in sliding mode on the support (11), one end of the first moving rod (21) is fixedly connected with the vernier caliper (121) and the dial indicator (122), the rotating shaft (131) is rotatably connected with the second moving rod (22) away from the grinding wheel (132), and the inner sides of the first moving rod (21) and the second moving rod (22) are both fixedly provided with toothed plates (24), and the support (11) is rotatably provided with a gear (23) at the middle part, and the two toothed plates (24) are both engaged with the two sides of the gear (23). The upper surface of the polishing table (1) is fixedly provided with a guide rail (3), a fixed assembly (31) is arranged on the sliding block of the guide rail (3), and the fixed assembly (31) is used for fixing the transmission shaft.

2. The polishing device for machining of automotive propeller shafts as claimed in claim 1, wherein: The fixed assembly (31) comprises a fixing frame (32), the lower end of the fixing frame (32) is fixedly connected with the sliding block of the guide rail (3), a connecting piece (33) is rotatably arranged on the fixing frame (32), and the connecting piece (33) is used for fixing the end part of the transmission shaft.

3. The polishing device for machining of automotive propeller shafts as claimed in claim 2, wherein: ​ 4. The polishing device for machining of automotive propeller shafts as claimed in claim 3, wherein: ​ 5. The polishing device for machining of automotive propeller shaft as claimed in claim 1 wherein: ​ 6. A polishing device for machining of automotive propeller shafts according to claim 5, characterized in that: ​