Crankshaft blade

Abstract

The utility model discloses a crankshaft blade, including mounting block, the mounting block both ends all are provided with the tool bit, the mounting block and the tool bit are limited and fixed through fixed screw rod, the mounting block inside is provided with the rubber cylinder and rubber block with extrusion effect, compare with prior art, the utility model has the beneficial effects that: the utility model is scientific and reasonable in structure, and safe and convenient to use: through the cooperation of fixed screw rod and thread groove and the extrusion to limit the rod, realize the double -fixed of tool bit, the stability of tool bit in the cutting process is improved significantly, guarantee the machining accuracy and cutting effect, and can adjust the installation position of tool bit in the placing groove according to different processing demand, is applicable to the processing scene of a variety of working conditions, expands the application range of blade, only needs to change single damaged tool bit when blade is damaged, does not need to replace whole blade, greatly reduces the maintenance and use cost of blade, realizes the preliminary positioning and pre -fixing of blade and tool rest fixed column.

Description

Technical Field

[0001] This utility model relates to the field of crankshaft blade technology, specifically to a crankshaft blade. Background Technology

[0002] Crankshaft inserts are specialized cutting tools used to machine automobile engine crankshafts. They are characterized by high precision and high efficiency, directly affecting the machining quality of the crankshaft and the performance of the engine. Crankshaft inserts use precision cutting to process forged or cast crankshaft blanks into high-precision parts that must meet requirements such as wear resistance and dimensional stability.

[0003] In the application document for an adjustable CNC cutting tool with application number 202323615752.2, an adjustable CNC cutting tool is designed with multiple different angles for the back edge corner. During use, the rotatable positioning frame can be pushed upward by the push block, so that the sleeve lifts the CNC cutting tool and the direction of the CNC cutting tool can be rotated. At this time, the CNC cutting tool with different back edge angles can be rotated to the machining position as needed, without replacing the entire CNC cutting tool. Only different back edge angles need to be adjusted, thereby effectively reducing the use cost of CNC cutting tools and improving the cutting tool switching efficiency.

[0004] Although the above-mentioned applications meet the user's needs to a certain extent, there are still some defects in the use process. The specific problems are as follows: the tool head fixing method is simple and the stability is insufficient. It is easy to loosen during the cutting process, which affects the machining accuracy and cutting effect. In addition, the tool head position is fixed and the installation position cannot be adjusted according to different machining needs, which limits the scope of application. At the same time, when the tool head is damaged, the entire blade needs to be replaced, which results in high usage costs. Based on this, this utility model designs a crankshaft blade to solve the above problems. Utility Model Content

[0005] This utility model provides a crankshaft insert that can effectively solve the problems mentioned in the background art, such as the single method of fixing the cutter head, insufficient stability, easy loosening during the cutting process, affecting the machining accuracy and cutting effect, the fixed position of the cutter head, the inability to adjust the installation position according to different machining needs, the limited scope of application, and the need to replace the entire insert when the cutter head is damaged.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a crankshaft blade, comprising a mounting block, wherein both ends of the mounting block are provided with blade heads, and the mounting block and the blade heads are limited and fixed by a fixing screw, and the mounting block is provided with a rubber cylinder and a rubber block having a squeezing effect inside.

[0007] A crankshaft blade, preferably, has an embedded ring rotatably connected inside the mounting block, a rubber cylinder is bonded to the outside of the embedded ring, a rubber block is uniformly bonded to one end inside the rubber cylinder, and a column is bonded to the top surface of the rubber cylinder.

[0008] A crankshaft blade, preferably wherein the inner diameter of the bottom of the rubber cylinder is larger than the inner diameter of the top of the rubber cylinder, and the rubber block is spherical.

[0009] A crankshaft blade, preferably, has guide grooves at one end of both the mounting block and the blade head, and the mounting block has a vertical rod integrally formed uniformly on its outer side.

[0010] A crankshaft blade, preferably, wherein the mounting block and the guide groove on one side of the blade head are combined to form a figure-eight shape, the inner diameter of the guide groove on the blade head side is smaller than the outer diameter of the guide groove on the mounting block side, and both the guide groove on the mounting block side and one end of the upright are provided with arc angles.

[0011] A crankshaft blade, preferably, has placement grooves at both ends of the mounting block corresponding to the two blade positions, a limit rod is fixedly connected to the top end of the blade, a threaded groove is formed inside the mounting block at the bottom of the placement groove, a fixing screw is threadedly connected inside the threaded groove, and a limit groove is uniformly formed at one end of the blade.

[0012] A crankshaft blade, preferably, has a placement hole at the top of the placement groove inside the mounting block, one end of the blade head is slidably connected inside the placement groove, and the fixing screw passes through the limiting groove and the placement hole and is threadedly connected to the threaded groove.

[0013] A crankshaft blade, preferably, has a corresponding groove at the position of the mounting block corresponding to the position of the limiting rod, and one end face of the fixing screw is in contact with the top surface of the limiting rod.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: The structure of this utility model is scientific and reasonable, and it is safe and convenient to use: By the cooperation of the fixing screw and the thread groove and the squeezing of the limiting rod, the double fixing of the cutting head is achieved, which significantly improves the stability of the cutting head during the cutting process and ensures the machining accuracy and cutting effect. Furthermore, the installation position of the cutting head in the slot can be adjusted according to different processing needs, making it suitable for various processing scenarios and expanding the application range of the cutting blade. When the cutting blade is damaged, only the damaged cutting head needs to be replaced, instead of replacing the entire cutting blade, which greatly reduces the maintenance and usage costs of the cutting blade. The elastic compression of the rubber cylinder and rubber block enables the initial positioning and pre-fixation of the blade and the tool holder fixing column, simplifying the installation process. At the same time, during the final fixing and processing, the rubber structure can further enhance the fixing stability and play a buffering role, reducing the impact load caused by workpiece roundness error and extending the service life of the blade. The mounting block and the guide groove of the cutter head combine to form a figure-eight structure. Combined with the rounded corner design of the upright, it can effectively guide the flow of iron chips and generate thrust to break the iron chips, avoid the problem of iron chip entanglement, ensure smooth chip removal during the cutting process, and improve processing efficiency and safety. Attached Figure Description

[0015] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0016] In the attached diagram: Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the fixing screw installation structure of this utility model; Figure 3 This is a schematic diagram of the rubber block installation structure of this utility model; The following are the labels in the diagram: 1. Mounting block; 2. Cutting head; 3. Embedded ring; 4. Rubber cylinder; 5. Rubber block; 6. Column; 7. Guide groove; 8. Upright rod; 9. Placement groove; 10. Limiting rod; 11. Threaded groove; 12. Limiting groove; 13. Fixing screw. Detailed Implementation

[0017] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0018] Example: Figure 1-3 As shown, this utility model provides a technical solution: a crankshaft blade, including a mounting block 1, with blade heads 2 at both ends of the mounting block 1, an embedded ring 3 rotatably connected inside the mounting block 1, a rubber cylinder 4 bonded to the outside of the embedded ring 3, a rubber block 5 uniformly bonded to one end inside the rubber cylinder 4, and a column 6 bonded to the top surface of the rubber cylinder 4.

[0019] The bottom inner diameter of the rubber cylinder 4 is larger than the top inner diameter of the rubber cylinder 4, and the rubber block 5 is spherical, which realizes the initial positioning of the mounting block 1 and facilitates the subsequent fixing of the mounting block 1.

[0020] Both mounting block 1 and cutter head 2 have guide grooves 7 at one end, and mounting block 1 has a uniformly integrally formed upright 8 on the outer side.

[0021] The guide groove 7 on one side of the mounting block 1 and the cutter head 2 are combined to form a figure-eight shape. The inner diameter of the guide groove 7 on the side of the cutter head 2 is smaller than the outer diameter of the guide groove 7 on the side of the mounting block 1. The guide groove 7 on the side of the mounting block 1 and one end of the upright rod 8 are both provided with rounded corners to facilitate the guidance of iron filings. By guiding the iron filings to the position of the upright rod 8, a pushing force can be generated on the iron filings, thereby causing the iron filings to break at the cutting position, avoiding the problem of iron filings entanglement, and ensuring the chip removal of the blade during cutting.

[0022] The mounting block 1 has placement grooves 9 at both ends corresponding to the positions of the two cutter heads 2. The top end of the cutter head 2 is fixedly connected to a limit rod 10. The mounting block 1 has a threaded groove 11 at the bottom of the placement groove 9. The threaded groove 11 is connected to a fixing screw 13 by thread. The cutter head 2 has a limit groove 12 evenly opened at one end.

[0023] The mounting block 1 has a placement hole at the top of the placement groove 9. One end of the cutter head 2 is slidably connected to the inside of the placement groove 9. The fixing screw 13 passes through the limiting groove 12 and the placement hole and is threadedly connected to the threaded groove 11 to facilitate the fixing of the cutter head 2.

[0024] The mounting block 1 has a corresponding groove at the position of the limiting rod 10. One end face of the fixing screw 13 is in contact with the top surface of the limiting rod 10, which can achieve double fixation of the cutter head 2 and ensure the stability of the cutter head 2 during cutting.

[0025] The operator moves one end of the cutting head 2 into the placement groove 9 by moving the cutting head 2, and moves the cutting head 2 to different positions according to different situations. Then, the operator fixes the cutting head 2 by cooperating with the threaded groove 11 and the fixing screw 13, and further fixes the cutting head 2 by pressing the limiting rod 10 with the fixing screw 13. This can achieve double fixation of the cutting head 2, ensuring the stability of the cutting head 2 during use, thereby ensuring the cutting effect. At the same time, it is convenient to install the cutting head 2 in different positions, which is suitable for processing in different situations, expanding the application range of the cutting tool. When the cutting head 2 is damaged, only the damaged cutting head 2 needs to be replaced, without replacing the entire cutting tool, thus reducing the cost of using the cutting tool. During blade installation, the blade is placed on the outside of the fixing post at the top of the tool holder. At this time, the fixing post is squeezed by the rubber cylinder 4 to achieve initial fixation of the blade. Then, the operator squeezes the blade by rotating the compression screw on the tool holder to fix the blade. During the blade compression process, one end of the blade is under pressure and the other end of the blade is raised. At this time, the rubber block 5 contacts and squeezes the outside of the fixing post to further fix the blade and ensure the stability of the blade fixation. At the same time, when the tool is processing the part, it can buffer the blade to reduce the impact load caused by the roundness error of the workpiece and extend the blade life. Furthermore, after the blade head 2 is damaged, the operator can rotate the mounting block 1 to rotate the blade head 2 on the other end to the outside. Then, the operator can rotate the rubber cylinder 4 so that the rubber block 5 corresponds with the blade head 2 on the other end, thereby fixing the blade head 2 on the other end.

[0026] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A crankshaft blade, comprising a mounting block (1), characterized in that: Both ends of the mounting block (1) are provided with cutter heads (2). The mounting block (1) and the cutter heads (2) are limited and fixed by a fixing screw (13). The mounting block (1) is provided with a rubber cylinder (4) and a rubber block (5) with a squeezing effect inside.

2. A crankshaft blade according to claim 1, characterized in that: The mounting block (1) has an embedded ring (3) that is rotatably connected inside. A rubber cylinder (4) is bonded to the outside of the embedded ring (3). A rubber block (5) is evenly bonded to one end inside the rubber cylinder (4). A column (6) is bonded to the top surface of the rubber cylinder (4).

3. A crankshaft blade according to claim 2, characterized in that, The bottom inner diameter of the rubber cylinder (4) is larger than the top inner diameter of the rubber cylinder (4), and the rubber block (5) is spherical.

4. A crankshaft blade according to claim 1, characterized in that, The mounting block (1) and the cutter head (2) are both provided with guide grooves (7) at one end, and the mounting block (1) is uniformly and integrally formed with a vertical rod (8) on the outside.

5. A crankshaft blade according to claim 4, characterized in that, The guide groove (7) on one side of the mounting block (1) and the cutter head (2) are combined into a figure-eight shape. The inner diameter of the guide groove (7) on one side of the cutter head (2) is smaller than the outer diameter of the guide groove (7) on one side of the mounting block (1). The guide groove (7) on one side of the mounting block (1) and one end of the upright (8) are both provided with a rounded corner.

6. A crankshaft blade according to claim 1, characterized in that, The mounting block (1) has a placement groove (9) at both ends corresponding to the positions of the two cutter heads (2). A limit rod (10) is fixedly connected to the top end of the cutter head (2). A threaded groove (11) is opened at the bottom of the placement groove (9) inside the mounting block (1). A fixing screw (13) is connected to the threaded groove (11) through a thread. A limit groove (12) is evenly opened at one end of the cutter head (2).

7. A crankshaft blade according to claim 6, characterized in that, The mounting block (1) has a placement hole at the top of the placement groove (9). One end of the cutting head (2) is slidably connected to the inside of the placement groove (9). The fixing screw (13) passes through the limiting groove (12) and the placement hole and is threadedly connected to the threaded groove (11).

8. A crankshaft blade according to claim 6, characterized in that, The mounting block (1) has a corresponding groove at the position of the limiting rod (10), and one end face of the fixing screw (13) is in contact with the top surface of the limiting rod (10).

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