Cutter cylinder arc sharpening machine

Abstract

The utility model belongs to the technical field of cutter cylinder machining, and particularly relates to a cutter cylinder arc sharpening machine which comprises a sharpening machine body, the sharpening machine body comprises a pneumatic grinding machine, a concave plate designed to be in a concave shape is arranged on the outer side of the output end of the pneumatic grinding machine, a mounting frame designed to be in a horseshoe buckle shape is arranged in the concave plate, and the pneumatic grinding machine is arranged on the mounting frame. A supporting frame is arranged on the outer side of the mounting frame, a rotating rod is arranged in the supporting frame, a locking mechanism for locking the position where the rotating rod is located is arranged on the outer side of the supporting frame, rotating frames are arranged at the two ends of the rotating rod, and rolling wheels are arranged at the lower ends of the rotating frames. The polishing device is reasonable in design, simple in structure and convenient to machine, can conveniently polish the periphery of a workpiece, reduces the operation difficulty, meanwhile, can guarantee the roundness of the machined workpiece to a certain extent, avoids the uneven condition of the workpiece, saves labor cost, guarantees economic benefits, and effectively meets the production, machining and use requirements in a plant.

Description

Technical Field

[0001] The utility model belongs to the technical field of cutter barrel processing, and particularly relates to a cutter barrel arc grinding machine. Background Art

[0002] The cutter barrel of a tunnel boring machine is used for installing cutters. Generally, the cutter barrel is cylindrical and is composed of three parts, namely an end face, a barrel body and a flange plate, which are welded together.

[0003] During welding, the welds of the cutter barrel are mostly welded manually. In order to ensure the welding quality and service performance of the cutter barrel, further processing of the connecting welds of the cutter barrel is required, such as turning on a lathe. After turning the connecting welds of the cutter barrel, there are air holes, and then it is necessary to repair weld on the lathe and then turn again. However, repairing weld on the lathe is likely to damage the internal parts of the lathe. Therefore, it is often necessary to unload the workpiece for repair welding. If the repaired workpiece is placed on the lathe for processing again, it will affect the processing process and increase the complexity. For this reason, a grinding machine is used to grind the repaired part. Since the grinding machine is mostly processed manually by holding it, the disadvantages are as follows: When manually grinding the cutter barrel, it is also necessary to ensure the roundness of the outer circumference of the cutter barrel. This process requires manual judgment, which requires workers to be highly concentrated. However, affected by different workers, the processing quality is inconsistent, and it is easy to make the outer circumference of the workpiece uneven. Seriously, it will even cause the scrapping of the workpiece, thus resulting in a waste of manpower and material resources and cannot effectively meet the production and processing requirements in the factory building. Summary of the Utility Model

[0004] Aiming at the technical problems existing in the above-mentioned cutter barrel grinding process, the utility model provides a cutter barrel arc grinding machine with reasonable design, simple structure, convenient processing, which can realize convenient grinding of the outer circumference of the workpiece, reduce the operation difficulty. At the same time, it can also ensure the roundness of the workpiece to a certain extent, avoid the appearance of unevenness, save labor costs, ensure economic benefits, and effectively meet the production and processing requirements in the factory building.

[0005] In order to achieve the above object, the technical solution adopted by the utility model is a cutter barrel arc grinding machine, which includes a grinding machine body. The grinding machine body includes a pneumatic grinding machine. The characteristic is that a concave plate designed in a concave shape is arranged outside the output end of the pneumatic grinding machine. An installation frame designed in a horseshoe buckle shape is arranged inside the concave plate. A support frame is arranged outside the installation frame. A rotating rod is arranged inside the support frame. A locking mechanism for locking the position of the rotating rod is arranged outside the support frame. Rotating frames are arranged at both ends of the rotating rod. Rollers are arranged at the lower ends of the rotating frames.

[0006] Preferably, the locking mechanism includes a mounting sleeve connected to the inside of one end of the mounting frame. An extension sleeve designed in a wedge shape is arranged above the mounting sleeve. A lifting sleeve is arranged above the extension sleeve and is installed in cooperation with it. The lower end of the lifting sleeve is designed in a wedge shape. A plug rod is arranged inside the lifting sleeve. A carrier plate is arranged on the outer periphery of the lower end of the plug rod. A compression spring is sleeved on the outer periphery of the plug rod between the mounting sleeve and the carrier plate.

[0007] Preferably, the pneumatic grinding machine includes a machine body. A grinding head is arranged on one side below the machine body. A sleeve plate is arranged above the concave plate. A protective cover sleeved on the outer side of the grinding head is arranged on one side of the sleeve plate.

[0008] Preferably, a connecting bolt is arranged on the sleeve plate and penetrates through the concave plate and is connected to the mounting frame.

[0009] Compared with the prior art, the advantages and positive effects of the present utility model are as follows.

[0010] 1. A cutter barrel arc grinding machine provided by the present utility model, through the arranged rotating rod, rotating frame and roller, can be attached to the outer periphery of the workpiece. When people grind the workpiece, the grinding path of the grinding head is limited, especially ensuring the consistency of the grinding effect of the workpiece, avoiding the situation of uneven grinding, improving the working process. Through the arranged locking mechanism, the position of the rotating frame can be conveniently fastened, especially realizing the installation limit of the rotating frame in multiple directions, improving the use functionality of the device and equipment, with simple and convenient operation and strong practicability; the device is reasonably designed, simple in structure, convenient to process and can realize the convenient grinding of the outer periphery of the workpiece, reducing the operation difficulty. At the same time, it can also ensure the roundness of the workpiece to a certain extent after processing, avoiding the situation of unevenness, saving labor costs, ensuring economic benefits, and effectively meeting the production and processing use requirements in the factory building. Description of the Drawings

[0011] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor.

[0012] Figure 1 It is a structural schematic diagram of the cutter barrel arc grinding machine;

[0013] Figure 2 It is a front view of the structure of the cutter barrel arc grinding machine;

[0014] Figure 3 It is an exploded schematic diagram of a part of the structure of the cutter barrel arc grinding machine;

[0015] Figure 4 is the front view of the structure of the locking mechanism;

[0016] Figure 5 is the front view of the internal structure of the locking mechanism;

[0017] In each of the above figures, 1 is a pneumatic grinding machine; 1a is the machine body; 1b is the grinding head; 2 is a concave plate; 3 is a mounting bracket; 4 is a support bracket; 5 is a rotating rod; 6 is a locking mechanism; 61 is a mounting sleeve; 611 is an extension sleeve; 62 is a lifting sleeve; 63 is a plug rod; 64 is a carrier plate; 65 is a compression spring; 7 is a rotating frame; 8 is a roller; 9 is a connecting bolt; 10 is a protective cover; 11 is a sleeve plate. Detailed implementation manners

[0018] In order to more clearly understand the above objects, features and advantages of the present invention, the present invention will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0019] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention may be implemented in other ways different from those described herein. Therefore, the present invention is not limited by the specific embodiments disclosed in the following specification.

[0020] Embodiment, such as Figures 1 to 5As shown in the figure, a cutter barrel arc grinding machine includes a grinding machine body, and the grinding machine body includes a pneumatic grinding machine 1. For the established pneumatic grinding machine 1, it uses pneumatic means to drive the output end to complete the grinding action. This technology is an existing mature technology, and the specific working principle and working method will not be elaborated here. Further, a concave plate 2 designed in a concave shape is arranged outside the output end of the pneumatic grinding machine 1. An installation frame 3 designed in a horseshoe buckle shape is arranged inside the concave plate 2. The upper part of the installation frame 3 is designed to be open, and it is especially connected to the concave plate 2 by bolts to ensure the convenience of installing equipment components. A support frame 4 is arranged outside the installation frame 3, which is integrated with the installation frame 3 to ensure the integrity of the equipment and meet the use requirements. Further, a rotating rod 5 is arranged inside the support frame 4, which can rotate relative to the support frame 4, providing convenient conditions for the rotating frame 7 to be adjusted to fit on the workpiece. Further, a locking mechanism 6 for locking the position of the rotating rod 5 is arranged outside the support frame 4, which can conveniently fasten the position of the rotating frame 7, providing convenient conditions for the equipment components to fit on the workpiece. Rotating frames 7 are arranged at both ends of the rotating rod 5, and rollers 8 are arranged at the lower ends of the rotating frames 7. That is to say, according to the specifications and dimensions of the workpiece to be processed, the position of the rotating frame 7 is adjusted, especially to make the rollers 8 fit on the outer circumference of the workpiece. The rotating frame 7 is locked by the locking mechanism 6. To a certain extent, it can realize the adaptation and adjustment of workpieces of different specifications and dimensions, greatly improving the use functionality of the device and equipment. At the same time, by installing the equipment components on the workpiece to carry out the grinding work, it can especially ensure the roundness of the arc processing, guarantee the grinding quality, and improve the work process;

[0021] In the above process: By setting the rotating rod 5, the rotating frame 7 and the rollers 8, they can fit on the outer circumference of the workpiece. When people grind the workpiece, the grinding path of the grinding head 1b is limited, especially ensuring the consistency of the grinding effect of the workpiece, avoiding the situation of uneven grinding, and improving the work process. By setting the locking mechanism 6, the position of the rotating frame 7 can be conveniently fastened, especially realizing the installation limit of the rotating frame 7 in multiple directions, improving the use functionality of the device and equipment, with simple and convenient operation and strong practicability. This device is reasonably designed, has a simple structure, is convenient to process, can realize the convenient grinding of the outer circumference of the workpiece, reduces the operation difficulty. At the same time, it can also guarantee the roundness of the workpiece after processing to a certain extent, avoid the situation of unevenness, save labor costs, guarantee economic benefits, and effectively meet the production and processing use requirements in the workshop.

[0022] In order to effectively complete the fastening of the position where the mounting bracket 3 is located and ensure that the roller 8 can be attached to the workpiece to facilitate the grinding work, the locking mechanism 6 includes a mounting sleeve 61 connected to the inside of one end of the mounting bracket 3. Above the mounting sleeve 61, there is an extension sleeve 611 designed in a wedge shape. Above the extension sleeve 611, there is a lifting sleeve 62 installed in cooperation with it. The lower end of the lifting sleeve 62 is designed in a wedge shape. An insertion rod 63 is arranged inside the lifting sleeve 62. A carrier plate 64 is arranged on the outer periphery of the lower end of the insertion rod 63. A compression spring 65 is sleeved on the outer periphery of the insertion rod 63 between the mounting sleeve 61 and the carrier plate 64. Specifically described as: A widened sleeve (not shown in the figure) is arranged outside the rotating rod 5 at the connection of the rotating rod 5 and the support frame 4, and it can rotate relative to the support frame 4. A plurality of slots adapted to the insertion rod 63 are opened in the widened sleeve. When in the locked state, the end of the insertion rod 63 is inserted into the slot. When it is necessary to adjust the position of the support frame 4, pull the lifting sleeve 62 outwards and make the short side at the lower part of the lifting sleeve 62 abut against the short side of the extension sleeve 611. At this time, the carrier plate 64 moves upwards with the insertion rod 63 and compresses the compression spring 65. Then, adjust the positions of the rotating rod 5 and the rotating frame 7. After the positions are appropriate, rotate the lifting sleeve 62 so that one side end face thereof is closely attached to the inclined surface of the extension sleeve 611. The compression spring 65 extends and pushes the insertion rod 63 to cooperate with the slot, thus completing the fastening of the position where the rotating frame 7 is located, ensuring the smooth progress of subsequent production and processing work, and meeting the use requirements.

[0023] In order to ensure the effective progress of the grinding work, the pneumatic grinding machine 1 includes a machine body 1a. One side below the machine body 1a is provided with a grinding head 1b. Among them, the machine body 1a selects a pneumatic grinding device to drive the grinding head 1b to rotate, thereby ensuring the effective progress of the grinding work. Above the concave plate 2, there is a sleeve plate 11. One side of the sleeve plate 11 is provided with a protective cover 10 sleeved outside the grinding head 1b. Among them, one side of the sleeve plate 11 is designed in a concave shape and can be conveniently sleeved on the concave plate 2 for further installation and fastening later. For the established protective cover 10, it is designed in an arc shape and mainly corresponds to the grinding head 1b. The purpose is to prevent the waste chips from splashing during the grinding process and causing harm to the workers, improve the use functionality of the device and equipment, and ensure safety.

[0024] In order to further improve the stability of the installation and connection between the components of the device and equipment, a connecting bolt 9 is arranged on the sleeve plate 11, and it penetrates through the concave plate 2 and is connected to the mounting bracket 3. Specifically described as: A screw rod for connecting the mounting bracket 3 is arranged outside the concave plate 2. After the mounting bracket 3 is installed, the whole of the sleeve plate 11 and the protective cover 10 is sleeved on the concave plate 2, and then it is fixed by using the connecting bolt 9. At the same time, the bolt penetrating through the concave plate 2 is connected to the upper part of the mounting bracket 3 together, aiming to play a certain fastening role and meet the use requirements.

[0025] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model in other forms. Any person skilled in the art may use the technical content disclosed above to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present utility model, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A knife barrel arc grinding machine, comprising a grinding machine body, wherein the grinding machine body comprises a pneumatic grinder, characterized in that: A concave plate with a concave shape is arranged on the outer side of the output end of the pneumatic grinder, a mounting frame with a horseshoe-shaped design is arranged inside the concave plate, a supporting frame is arranged on the outer side of the mounting frame, a rotating rod is arranged inside the supporting frame, a locking mechanism for locking the rotating rod in position is arranged on the outer side of the supporting frame, rotating frames are arranged at both ends of the rotating rod, and a roller is arranged at the lower end of the rotating frame.

2. The knife barrel arc grinding machine according to claim 1, characterized in that: The locking mechanism includes a mounting sleeve connected to one end of the mounting frame, an extension sleeve designed in a wedge shape is arranged above the mounting sleeve, a lifting sleeve matched with the extension sleeve is arranged above the extension sleeve, the lower end of the lifting sleeve is designed in a wedge shape, an insertion rod is arranged in the lifting sleeve, a carrier plate is arranged on the outer periphery of the lower end of the insertion rod, and a compression spring is arranged on the outer periphery of the insertion rod between the mounting sleeve and the carrier plate.

3. The knife barrel arc grinding machine according to claim 2, characterized in that: The pneumatic grinder comprises a machine body, a grinding head is arranged on a lower side of the machine body, a sleeve plate is arranged above the concave plate, and a protective cover sleeved on the outer side of the grinding head is arranged on one side of the sleeve plate.

4. The knife barrel arc grinding machine according to claim 3, characterized in that: The sleeve plate is provided with connecting bolts which penetrate through the concave plate and are connected with the mounting frame.

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