Automatic processing device for the appearance optimization of mt transmission connections

CN224659089UActive Publication Date: 2026-08-21TAIZHOU JUNMA IND AUTOMATION CO LTD
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Patent Information

Application Number
CN202522004548.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-18
Publication Date
2026-08-21
Estimated Expiration
2035-09-18

AI Technical Summary

Technical Problem

[0004]本实用新型要解决的技术问题是:现有技术中存在的装置不易打磨工件隐蔽区域的缺点,为此我们提出MT变速器连接件外观优化自动处理装置

Benefits of technology

本实用新型中装置专为MT变速器连接件外观优化设计,其打磨筒内置置物台且顶部有封闭盖,形成封闭空间,可防打磨碎屑、粉尘扩散,保障内部磨料与连接件运动不受外界干扰。打磨筒底部套有齿环,四周设控制组件:转动环通过滚珠套接打磨筒减阻,伺服电机借固定座连转动环,其齿轮与齿环啮合,启动后可带动打磨筒转动,转动环两侧安装座支撑正极板与负极板。磨料选用纯铁粉末压制体,具有高导磁率,能响应正负极板通电形成的磁场高效运动,打磨隐蔽部位;强度适中减少损耗,成本低于高合金磁性材料,降低运行成本。正负极板沿筒轴线对称,确保磁场均匀,避免局部打磨不均;二者端面连连接座,套有带限位座的螺旋杆,螺旋杆可限制极板偏移又允其上下移动,适配不同连接件结构,无需重新调试工装,提升柔性生产能力,保障打磨质量与效率,整体打磨更为全面。

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Abstract

The utility model relates to workpiece polishing technical field, and disclose MT transmission connecting piece appearance optimization automatic processing device, including polishing cylinder, have the platform in the built -in polishing cylinder, the top has the closure, forms the closed space, can prevent polishing chippings, dust diffusion, guarantees internal abrasive and connecting piece movement are not interfered by outside world. The bottom of polishing cylinder is covered with a gear ring, and control components are arranged around, the rotating ring reduces resistance through the ball sleeve connection polishing cylinder, the servo motor is connected with the rotating ring through the fixed seat, the gear ring is engaged with the gear, and the polishing cylinder can be driven to rotate after starting, the positive and negative electrode plate is symmetrical along the cylinder axis, the magnetic field is uniform, and local polishing unevenness is avoided, the end surface of both is connected with the connecting seat, and the spiral rod with the limiting seat is covered, the spiral rod can limit the shift of the electrode plate and allow it to move up and down, adapt to different connecting piece structure, the abrasive selects the pure iron powder pressing body, has high permeability, can respond to the magnetic field efficient movement formed by the positive and negative electrode plate electrification, the strength is moderate and reduces the loss, can polish the hidden part.
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Description

Technical Field

[0001] This utility model relates to the field of workpiece grinding technology, and in particular to an automatic processing device for optimizing the appearance of MT transmission connecting parts. Background Technology

[0002] In the manufacturing process of automotive manual transmissions (MT), the appearance quality of its core connecting components (such as shaft parts, gear hubs, flanges, etc.) directly affects the assembly accuracy, smoothness of operation, and overall lifespan of the transmission. After forging, machining, and heat treatment, these parts often have various defects remaining on their surfaces, including sharp burrs on the edges of holes, flash at the root of threads, mechanical scratches on the outer surface, and sand holes and protrusions on the surface of castings. These defects can not only cause interference during assembly, but may also lead to fatigue fracture due to stress concentration during use, or cause chain failures such as oil circuit blockage and component wear due to burr detachment, and in severe cases, even affect driving safety.

[0003] Currently, the industry lacks an efficient and comprehensive automated solution for optimizing the appearance of MT transmission connectors, and the current technology has the following significant limitations: Limitations of traditional grinding methods: The mainstream processing methods still rely on handheld grinding wheels, files, or pneumatic tools for localized grinding, or use fixed grinding wheel units for single-plane processing. These methods have significant drawbacks: For connectors with deep holes, blind holes, irregular cavities, or complex curved surfaces (such as shaft parts with oil passages, multi-step gear hubs), manual grinding is difficult to reach hidden areas such as inner corners and hole bottoms, resulting in a burr residue rate as high as 15% to 20%; while fixed equipment can only process the outer contour surface of parts, and cannot adapt to the flexible production needs of multi-specification and multi-structure parts. When changing workpiece models, tooling needs to be readjusted, and the changeover time can be as long as 1 to 2 hours. Utility Model Content

[0004] The technical problem to be solved by this utility model is that the existing devices are not easy to grind the hidden areas of the workpiece. To address this, we propose an automatic processing device for optimizing the appearance of MT transmission connectors.

[0005] To achieve the above objectives, this application adopts the following technical solution: an automatic processing device for optimizing the appearance of MT transmission connectors, including a grinding cylinder, a gear ring fixedly fitted around the bottom of the grinding cylinder, a control component arranged around the grinding cylinder, the control component including a rotating ring, the rotating ring being rotatably fitted onto the surface of the grinding cylinder, a servo motor arranged on one side of the rotating ring, a gear fixedly connected to the output end of the servo motor, the gear meshing with the gear ring, mounting seats fixedly connected to both sides of the rotating ring, a positive electrode plate slidably mounted on one mounting seat away from the rotating ring, and a negative electrode plate slidably mounted on the other mounting seat away from the rotating ring, a connecting seat fixedly connected to the mutually distant end faces of the positive and negative electrode plates, and a spiral rod fitted onto the surface of the connecting seat.

[0006] Preferably, the grinding cylinder has a built-in storage platform, and the top of the grinding cylinder is fitted with a closed cover.

[0007] Preferably, the inner ring wall of the rotating ring is equipped with a plurality of evenly distributed balls, and the side of the balls away from the rotating ring is in contact with the grinding cylinder.

[0008] Preferably, one end of the bottom of the spiral rod is fixedly connected to the ground.

[0009] Preferably, a fixing seat is fitted onto the surface of the servo motor, and the end of the fixing seat away from the servo motor is fixedly connected to the outer ring wall of the rotating ring.

[0010] Preferably, the positive and negative electrode plates are symmetrically distributed along the axis of the grinding cylinder.

[0011] Preferably, the surface of the connecting seat is provided with a plurality of mounting holes that match the screw rod, and the connecting seat is slidably connected to the screw rod.

[0012] Preferably, one end of the spiral rod is fixedly connected to a limiting seat.

[0013] The technical effects and advantages of this utility model are as follows: This utility model's device is specifically designed for the optimized appearance of MT transmission connectors. Its grinding cylinder has a built-in platform and a sealed top cover, forming a closed space to prevent the spread of grinding debris and dust, ensuring the movement of the internal abrasive and connectors is not disturbed by external factors. A geared ring is fitted at the bottom of the grinding cylinder, and control components are arranged around it: a rotating ring is connected to the grinding cylinder via ball bearings to reduce drag; a servo motor is connected to the rotating ring via a fixed base, and its gear meshes with the geared ring, driving the grinding cylinder to rotate upon startup. Mounting seats on both sides of the rotating ring support the positive and negative electrode plates. The abrasive is made of pure iron powder, possessing high magnetic permeability, enabling efficient movement in response to the magnetic field generated by the energized positive and negative electrode plates, effectively grinding concealed areas; its moderate strength reduces wear, and its cost is lower than high-alloy magnetic materials, reducing operating costs. The positive and negative plates are symmetrical along the cylinder axis to ensure a uniform magnetic field and avoid uneven grinding in certain areas. The end faces of the two plates are connected by a connecting seat, which is fitted with a spiral rod with a limiting seat. The spiral rod can limit the offset of the plates while allowing them to move up and down. It can be adapted to different connecting parts structures without the need to readjust the tooling, thereby improving flexible production capabilities, ensuring grinding quality and efficiency, and making the overall grinding more comprehensive. Attached Figure Description

[0014] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts: Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the internal structure of the grinding cylinder of this utility model; Figure 3 This is a schematic diagram of the overall exploded structure of this utility model; Figure 4 This is a schematic diagram of the control component structure of this utility model; Figure 5 This is an exploded structural diagram of the control component of this utility model.

[0015] Legend: 1. Grinding cylinder; 101. Table; 102. Sealing cover; 103. Gear ring; 2. Control component; 201. Rotating ring; 202. Ball bearing; 203. Servo motor; 204. Fixing base; 205. Gear; 206. Mounting base; 207. Positive electrode plate; 208. Negative electrode plate; 209. Connecting base; 210. Helical rod; 211. Assembly hole; 212. Limiting seat. Detailed Implementation

[0016] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0017] Reference Figures 1 to 5 As shown, this utility model provides a technical solution: an automatic processing device for optimizing the appearance of MT transmission connectors, including a grinding cylinder 1. A platform 101 is built into the grinding cylinder 1, and a sealing cover 102 is installed on the top of the grinding cylinder 1. The MT transmission connector to be processed is placed on the platform 101 inside the grinding cylinder 1, and then the sealing cover 102 on the top of the grinding cylinder 1 is installed in place, forming a relatively enclosed space inside the grinding cylinder 1. This structural design allows the grinding process to always take place in a closed environment, preventing the diffusion of grinding debris, dust, and other impurities outwards, while also ensuring that the movement of the abrasive and connector inside the grinding cylinder 1 is not disturbed by the external environment.

[0018] Meanwhile, a toothed ring 103 is fixedly fitted around the bottom of the grinding cylinder 1. A control component 2 is arranged around the grinding cylinder 1. The control component 2 includes a rotating ring 201, which is rotatably fitted onto the surface of the grinding cylinder 1. Multiple evenly distributed balls 202 are installed on the inner ring wall of the rotating ring 201. The side of the balls 202 away from the rotating ring 201 contacts the grinding cylinder 1. A servo motor 203 is arranged on one side of the rotating ring 201. A fixing seat 204 is fitted onto the surface of the servo motor 203. The end of the fixing seat 204 away from the servo motor 203 is fixedly connected to the outer ring wall of the rotating ring 201. A gear 205 is fixedly connected to the output end of the servo motor 203. The gear 205 meshes with the gear ring 103. Mounting seats 206 are fixedly connected to both sides of the rotating ring 201. A positive electrode plate 207 is slidably mounted on the end of one mounting seat 206 away from the rotating ring 201, and a negative electrode plate 208 is slidably mounted on the end of the other mounting seat 206 away from the rotating ring 201. The rotating ring 201 is rotatably sleeved on the surface of the grinding cylinder 1. Multiple evenly distributed ball bearings 202 installed on the inner ring wall can significantly reduce the frictional resistance between the rotating ring 201 and the grinding cylinder 1, making their relative rotation smoother. The servo motor 203 is fixedly connected to the outer ring wall of the rotating ring 201 through a fixed seat 204 sleeved on the surface. When the servo motor 203 is started, the gear 205 fixedly connected to its output end will rotate accordingly. Since the gear 205 meshes with the gear ring 103 which is fixedly sleeved around the bottom of the grinding cylinder 1, the rotation of the gear 205 will drive the gear ring 103 and the entire grinding cylinder 1 to rotate synchronously. Meanwhile, the mounting bases 206 fixed on both sides of the rotating ring 201 provide stable support for the subsequent installation of the positive electrode plate 207 and the negative electrode plate 208.

[0019] Furthermore, the positive electrode 207 and negative electrode 208 are symmetrically distributed along the axis of the grinding cylinder 1. The abrasive inside the grinding cylinder 1 can be pure iron powder pressed body. It has high magnetic permeability, can be strongly driven by a magnetic field, ensuring efficient movement within the cylinder due to magnetic force; the material has moderate strength, is not easily broken by collision, and has a long service life; its cost is lower than high-alloy magnetic materials. The use of pure iron powder pressed body as the abrasive in the grinding cylinder 1 is closely related to the magnetic field drive structure of the device. Subsequently, after the positive electrode 207 and negative electrode 208 are energized, a magnetic field is formed. Due to its high magnetic permeability, the pure iron powder pressed body can be strongly driven by this magnetic field. With the rotation of the grinding cylinder 1, the abrasive forms an efficient movement trajectory within the cylinder, continuously colliding and rubbing against the surface of the connector, thereby grinding the outer contour, deep holes, blind holes, irregular cavities, and complex curved surfaces of the connector. The high magnetic permeability ensures that the abrasive fully responds to the magnetic field, generating strong and regular motion. Compared to traditional grinding methods that rely on mechanical vibration or manual pushing, this method can more efficiently act on all areas of the connector, especially in hidden areas such as inner corners and hole bottoms that are difficult to reach manually. This effectively solves the problem of burr residue in hidden areas during traditional manual grinding. Secondly, the pure iron powder pressed body has moderate material strength. During collisions and friction with the connector, it can ensure sufficient grinding force to remove burrs and improve appearance, while being less prone to breakage due to impact. This reduces abrasive consumption, extends abrasive lifespan, and lowers the time and cost associated with frequent abrasive replacements. Finally, compared to high-alloy magnetic materials, the pure iron powder pressed body is less expensive. While ensuring grinding effect and lifespan, it significantly reduces the operating cost of the equipment and improves its economic efficiency.

[0020] A connecting seat 209 is fixedly connected to the far-away end faces of the positive electrode plate 207 and the negative electrode plate 208. A spiral rod 210 is sleeved on the surface of the connecting seat 209. The surface of the connecting seat 209 has multiple mounting holes 211 that match the spiral rod 210. The connecting seat 209 and the spiral rod 210 are slidably connected. A limiting seat 212 is fixedly connected to one end of the spiral rod 210. The limiting seat 212 at one end of the spiral rod 210 can limit the range of movement of the spiral rod 210. During the movement of the positive electrode plate 207 and the negative electrode plate 208, the spiral rod 210 can, on the one hand, limit the movement trajectory of the two to prevent them from deviating due to the magnetic field force or the rotation of the grinding cylinder 1. On the other hand, it allows the positive electrode plate 207 and the negative electrode plate 208 to move freely in the vertical direction so as to adjust the range of the magnetic field according to the height and structure of the connecting parts. The sliding fit between the screw rod 210 and the connecting seat 209, along with the design of the limiting seat 212, allows the positive electrode plate 207 and the negative electrode plate 208 to move up and down simultaneously while rotating around the grinding cylinder 1. This ensures that the magnetic field covers every area of ​​the step, guaranteeing that each step surface is thoroughly ground. This solves the problem of needing to readjust the tooling when changing workpiece models in traditional fixed equipment, significantly improving the equipment's flexible production capabilities.

[0021] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. An automatic processing device for optimizing the appearance of MT transmission connecting parts, characterized in that, The device includes a grinding cylinder (1), with a gear ring (103) fixedly fitted around the bottom of the grinding cylinder (1). A control component (2) is provided around the grinding cylinder (1), and the control component (2) includes a rotating ring (201) which is rotatably fitted onto the surface of the grinding cylinder (1). A servo motor (203) is provided on one side of the rotating ring (201), and a gear (205) is fixedly connected to the output end of the servo motor (203). The gear (205) meshes with the gear ring (103). Next, mounting bases (206) are fixedly connected to both sides of the rotating ring (201). A positive electrode plate (207) is slidably mounted on one end of the mounting base (206) away from the rotating ring (201), and a negative electrode plate (208) is slidably mounted on the other end of the mounting base (206) away from the rotating ring (201). A connecting base (209) is fixedly connected to the end faces of the positive electrode plate (207) and the negative electrode plate (208) that are far apart from each other. A spiral rod (210) is sleeved on the surface of the connecting base (209).

2. The automatic processing device for optimizing the appearance of MT transmission connectors according to claim 1, characterized in that: The grinding cylinder (1) has a built-in platform (101), and a sealing cover (102) is installed on the top of the grinding cylinder (1).

3. The automatic processing device for optimizing the appearance of MT transmission connectors according to claim 1, characterized in that: The inner ring wall of the rotating ring (201) is equipped with a plurality of evenly distributed balls (202), and the side of the balls (202) away from the rotating ring (201) is in contact with the grinding cylinder (1).

4. The automatic processing device for optimizing the appearance of MT transmission connectors according to claim 1, characterized in that: One end of the bottom of the spiral rod (210) is fixedly connected to the ground.

5. The automatic processing device for optimizing the appearance of MT transmission connectors according to claim 1, characterized in that: A fixing seat (204) is sleeved on the surface of the servo motor (203), and the end of the fixing seat (204) away from the servo motor (203) is fixedly connected to the outer ring wall of the rotating ring (201).

6. The automatic processing device for optimizing the appearance of MT transmission connectors according to claim 1, characterized in that: The positive electrode plate (207) and the negative electrode plate (208) are symmetrically distributed along the axis of the grinding cylinder (1).

7. The automatic processing device for optimizing the appearance of MT transmission connectors according to claim 1, characterized in that: The surface of the connecting seat (209) is provided with a plurality of mounting holes (211) that match the screw rod (210), and the connecting seat (209) is slidably connected to the screw rod (210).

8. The automatic processing device for optimizing the appearance of MT transmission connectors according to claim 1, characterized in that: One end of the spiral rod (210) is fixedly connected to a limiting seat (212).