Adjustable reamer based on sliding block type radial adjusting mechanism

Abstract

The utility model relates to the technical field of reamer machining, and discloses an adjustable reamer based on a sliding block type radial adjusting mechanism, which comprises an adjusting block, the bottom end of the adjusting block is rotatably connected with a base, a sliding groove I is formed in the adjusting block, a sliding block is slidably connected in the sliding groove I, and a sliding block is arranged in the sliding block. The top end of the base is rotationally connected with a rotating gear, the top end of the rotating gear is fixedly connected with a first rotating shaft, a gear groove is formed in the outer portion of the adjusting block, a tool bit is arranged in the sliding block, the rotating gear is in meshed connection with the gear groove, and a rotating assembly used for rotating is arranged in the first rotating shaft. And a replacement assembly used for replacing the reamer is arranged in the sliding block. According to the utility model, the flexibility and the machining efficiency of the reamer in coping with different aperture machining tasks are greatly improved, and the machining precision can be effectively guaranteed due to the accurate and controllable adjusting process.

Description

Technical Field

[0001] This utility model relates to the field of reamer processing technology, and in particular to an adjustable reamer based on a slider-type radial adjustment mechanism. Background Technology

[0002] In the field of machining, a reamer is an important tool used for finishing pre-machined holes such as drilled, cast, or punched holes. Its purpose is to improve the quality indicators such as the dimensional accuracy, shape accuracy, and surface roughness of the hole, so that the hole can meet the assembly and use requirements of various mechanical parts. Traditional reamers are usually of fixed size specifications, that is, one reamer corresponds to a specific machining hole diameter, which cannot meet the machining needs. There is an urgent need for a reamer that can flexibly adjust the machining hole diameter within a certain range to improve machining efficiency, reduce costs, and ensure machining accuracy.

[0003] Adjustable reamers mainly consist of a cutter body, cutting blades, an adjustment mechanism, and a fastening device. The adjustment mechanism is used to adjust the radial position of the cutting blades and usually consists of an adjusting nut and an adjusting screw. Its working principle is to adjust the radial position of the cutting blades through the adjustment mechanism, thereby adjusting the position of the reamer to adapt to different processing needs.

[0004] Some current adjustable reamers do not employ a slider-type adjustment mechanism. In those non-slider-type designs, some attempt to adjust the bore diameter by changing the cutting edge position using a complex linkage structure. However, this method involves multiple moving joints, and the clearance between these joints is difficult to control precisely. This leads to accumulated errors during adjustment, making it impossible to quickly and accurately achieve the desired bore diameter. Other adjustable reamers use an eccentric wheel adjustment principle, but their adjustment range is relatively limited. Furthermore, when making small adjustments, the non-linear relationship between the eccentric wheel rotation and the radial change of the cutting edge makes it difficult for operators to intuitively and accurately control the adjustment amount, significantly reducing adjustment accuracy. Therefore, this paper proposes an adjustable reamer based on a slider-type radial adjustment mechanism to solve these problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides an adjustable reamer based on a slider-type radial adjustment mechanism, which aims to improve the problem that the adjustable reamer in the prior art does not adopt slider-type adjustment.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An adjustable reamer based on a slider-type radial adjustment mechanism includes an adjustment block, a base rotatably connected to the bottom end of the adjustment block, a sliding groove inside the adjustment block, a sliding block slidably connected inside the sliding groove, a rotating gear rotatably connected to the top end of the base, a rotating shaft fixedly connected to the top end of the rotating gear, a gear groove outside the adjustment block, a cutter head inside the sliding block, the rotating gear meshing with the gear groove, a rotating component for rotation inside the rotating shaft, and a replacement component for replacing the reamer inside the sliding block.

[0008] As a further description of the above technical solution:

[0009] The rotating assembly includes a connecting column, the outside of which is slidably connected to the inside of the rotating shaft, a handle is fixedly connected to the top of the rotating shaft, and a protective shell is threadedly connected to the outside of the connecting column.

[0010] As a further description of the above technical solution:

[0011] The bottom end of the protective shell is fixedly connected to the top end of the base, and the outer side of the rotating shaft is rotatably connected to the inside of the protective shell.

[0012] As a further description of the above technical solution:

[0013] The replacement component includes a rotating block, the outside of which is rotatably connected to the inside of the sliding block. Multiple transmission rods are rotatably connected to the inside of the rotating block, and fixed blocks are rotatably connected to the outside of each of the multiple transmission rods. Rotating shafts are rotatably connected to the inside of each of the multiple fixed blocks. A fixed seat is fixedly connected to the bottom end of the cutter head, and the bottom ends of the multiple fixed blocks are coupled to the top end of the fixed seat.

[0014] As a further description of the above technical solution:

[0015] The external parts of the plurality of rotating shafts are fixedly connected to the inside of the sliding block, and the external parts of the plurality of transmission rods are rotatably connected to the inside of the rotating block;

[0016] As a further description of the above technical solution:

[0017] The sliding block has a second sliding groove inside, and the fixed seat is slidably connected to the inside of the second sliding groove.

[0018] As a further description of the above technical solution:

[0019] The rotating block is internally threaded with a limit rod, and the top of the adjusting block is fixedly connected to a cylinder, the driving end of the cylinder being fixedly connected to the rear end of the sliding block.

[0020] As a further description of the above technical solution:

[0021] The top of the adjusting block is provided with a sliding groove three, and the outer side of the limiting rod is slidably connected to the inside of the sliding groove three.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, by sliding the second sliding block and rotating the adjusting block, the operator can quickly and accurately adjust the radial position of the cutter head, which greatly improves the flexibility and processing efficiency of the reamer when dealing with different hole diameter processing tasks. Furthermore, due to the precise controllability of the adjustment process, the processing accuracy can be effectively guaranteed, so that the size, shape and other indicators of the processed workpiece hole can better meet the production requirements.

[0024] 2. In this utility model, the rotation of the rotating block causes the fixing block to fix and loosen the fixing seat, thus completing the quick replacement of the cutter head. The cutter head can be replaced quickly without the need for complicated tools or cumbersome operating procedures. This not only saves the time cost of replacing the cutter head, but also ensures the stability of the cutter head after installation, ensuring that the cutter head will not loosen during subsequent processing, thereby further guaranteeing processing accuracy and quality. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of the adjustable reamer based on the slider-type radial adjustment mechanism proposed in this utility model.

[0026] Figure 2 This is a schematic diagram of the rotating shaft of the adjustable reamer based on the slider-type radial adjustment mechanism proposed in this utility model.

[0027] Figure 3 This is a schematic diagram of the rotating block of the adjustable reamer based on the slider-type radial adjustment mechanism proposed in this utility model.

[0028] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0029] Legend:

[0030] 1. Adjusting block; 2. Sliding block; 3. Gear groove; 4. Rotating gear; 5. Rotating shaft one; 6. Connecting column; 7. Handle; 8. Protective shell; 9. Base; 10. Sliding groove one; 11. Rotating block; 12. Transmission rod; 13. Fixing block; 14. Rotating shaft two; 15. Fixing seat; 16. Cylinder; 17. Cutter head; 18. Sliding groove two; 19. Limiting rod; 20. Sliding groove three. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figures 1 to 2 This utility model provides an embodiment of an adjustable reamer based on a slider-type radial adjustment mechanism, including an adjustment block 1. The adjustment block 1, as a key foundational component of the entire reamer structure, plays a crucial role in supporting and connecting numerous other components. Its structural stability is essential for the normal operation of the entire reamer. A base 9 is rotatably connected to the bottom end of the adjustment block 1. The base 9 provides a stable support foundation for the adjustment block 1, and the rotatable connection between the two allows the adjustment block 1 to rotate flexibly relative to the base 9, thus laying the foundation for subsequent implementation of different functions.

[0033] The adjusting block 1 has a sliding groove 10 inside, and a sliding block 2 is slidably connected inside the sliding groove 10. The design of the sliding groove 10 is ingenious; it provides a precise and smooth sliding track for the sliding block 2, ensuring that the sliding block 2 can slide stably in a predetermined direction within it. This is indispensable for realizing the radial adjustment function of the reamer. The sliding block 2 has a cutter head 17 inside. As the carrier for mounting the reamer, the sliding condition of the sliding block 2 within the sliding groove 10 is directly related to the radial position change of the reamer, thus affecting key parameters such as the machining hole diameter. A rotating gear 4 is rotatably connected to the top of the base 9. The rotating gear 4 is located in an important position in the entire transmission link. It can effectively transmit the externally applied rotational force, thereby driving other related components to move in coordination. It is one of the key transmission elements for realizing the adjustment function. A rotating shaft 5 is fixedly connected to the top of the rotating gear 4. The rotating shaft 5 is equivalent to an extension of the rotating gear 4, further transmitting the rotational action of the rotating gear 4 to a higher level structure, ensuring the continuity and effectiveness of the entire transmission.

[0034] The adjusting block 1 has a gear groove 3 on its exterior, which meshes with the rotating gear 4. This meshing connection ensures that the rotation of the rotating gear 4 is accurately converted into the rotation of the adjusting block 1 relative to the base 9, making the motion transmission between components more precise and stable, and avoiding transmission deviations that could affect machining accuracy. The rotating shaft 5 has a rotating assembly inside for rotation. Through this rotating assembly, the operator can easily apply rotational force from the outside, thereby driving the entire adjusting mechanism to operate.

[0035] The rotating assembly includes a connecting column 6, which is externally slidably connected to the inside of the rotating shaft 5. This sliding connection allows the connecting column 6 to transmit torque during rotation and adapt to different working conditions to a certain extent, ensuring smooth rotation. A handle 7 is fixedly connected to the top of the rotating shaft 5. The handle 7 is ergonomically designed for easy gripping and application of rotational force, making the adjustment operation easier and more convenient. A protective shell 8 is threadedly connected to the outside of the connecting column 6. The protective shell 8 not only protects the internal components such as the connecting column 6 from external impurities and other factors, preventing interference with normal rotation and ensuring orderly rotation, but also has its bottom fixedly connected to the top of the base 9, further reinforcing the stability of the entire structure and making the connections between components more robust and reliable. The external rotatable connection of the rotating shaft 5 to the inside of the protective shell 8 ensures that the rotating shaft 5 can rotate smoothly within the range defined by the protective shell 8, creating favorable conditions for the smooth execution of the entire adjustment operation.

[0036] Reference Figure 1 , Figure 3 and Figure 4 The replacement component includes a rotating block 11, which is externally rotatably connected to the inside of the sliding block 2. As the core control component in the process of replacing the cutter head 17, the rotating block 11's rotation triggers a series of linked changes, thereby enabling convenient replacement of the cutter head 17 and meeting the diverse requirements of the cutter head 17 under different processing needs. Multiple transmission rods 12 are rotatably connected to the inner side of the rotating block 11. These transmission rods 12 act as a bridge to transmit the rotational motion of the rotating block 11, converting the rotation of the rotating block 11 into a driving force on the fixed block 13, thus affecting the fixed and loosened state of the cutter head 17.

[0037] Multiple transmission rods 12 are rotatably connected to fixed blocks 13 on their outer sides. The fixed blocks 13 play a crucial role in the overall fixing structure of the cutter head 17. Through their cooperation with other components, they enable reliable fixing or loosening of the cutter head 17, ensuring its stability during machining and allowing for easy disassembly when replacement is needed. Rotating shafts 14 are rotatably connected inside each of the multiple fixed blocks 13. These rotating shafts 14 provide axial support for the rotation of the fixed blocks 13, ensuring smooth rotation of the fixed blocks 13 and enabling their corresponding functional actions.

[0038] The bottom end of the cutter head 17 is fixedly connected to a fixing seat 15. The fixing seat 15 and the fixing block 13 cooperate with each other through a specific coupling connection method. This is the key connection part for fixing the cutter head 17 to the sliding block 2, and the rationality of its structure is directly related to the stability of the installation of the cutter head 17. The bottom ends of multiple fixing blocks 13 are coupled to the top ends of the fixing seat 15. This coupling connection method not only ensures the stability of the connection, but also makes it easy to disengage the connection when the cutter head 17 needs to be replaced.

[0039] Multiple rotating shafts 14 are externally fixedly connected to the inside of the sliding block 2, enabling the rotating shafts 14 to stably provide rotational support for the fixed block 13, ensuring the structural integrity and functional reliability of the entire replacement assembly within the sliding block 2. Multiple transmission rods 12 are externally rotatably connected to the inside of the rotating block 11, ensuring smooth and stable rotational transmission between the transmission rods 12 and the rotating block 11, avoiding jamming or other issues affecting the replacement operation of the cutter head 17. The sliding block 2 has a sliding groove 18 inside, providing a precise sliding track for the fixed seat 15 at the bottom of the cutter head 17. During cutter head 17 replacement, the fixed seat 15 can smoothly slide in or out along the sliding groove 18, ensuring the orderly nature of the replacement operation. The fixed seat 15 is externally slidably connected to the inside of the sliding groove 18. This sliding connection strictly limits the sliding path of the fixed seat 15, improving the accuracy of the cutter head 17 installation and removal process.

[0040] The rotating block 11 is internally threaded with a limiting rod 19, which plays a crucial role in limiting the rotational position of the rotating block 11. Once the cutter head 17 is fixed, the limiting rod 19 prevents the rotating block 11 from rotating accidentally, thus ensuring the stability of the cutter head 17 during machining and preventing loosening from affecting machining accuracy. A cylinder 16 is fixedly connected to the top of the adjusting block 1. As a key component providing power, the cylinder 16's drive end outputs a stable and controllable thrust, pushing the sliding block 2 to slide within the sliding groove 10, thereby realizing the radial adjustment function of the reamer and greatly improving the accuracy and efficiency of the adjustment. The drive end of cylinder 16 is fixedly connected to the rear end of sliding block 2. This connection ensures that the thrust of cylinder 16 can be effectively transmitted to sliding block 2 and converted into sliding power for sliding block 2. A sliding groove 3 20 is provided at the top of adjusting block 1, providing a corresponding track for the sliding of limit rod 19. This allows limit rod 19 to move along a predetermined path during position adjustments and other operations, ensuring the continuity and accuracy of the entire cutter head 17 replacement operation. The external sliding connection of limit rod 19 is within sliding groove 3 20, limiting the range of motion of limit rod 19 and helping to maintain the stability of the entire structure at different operating stages.

[0041] Working principle: When the operator needs to adjust the radial direction of the reamer during workpiece processing, they can manually turn the handle 7. Turning the handle 7 causes the connecting column 6 to rotate inside the protective shell 8, which in turn causes the rotating shaft 5 to drive the rotating gear 4 inside the protective shell 8. The rotation of the rotating gear 4 causes the adjusting block 1 to rotate at the top of the base 9, thereby adjusting the processing angle of the cutter head 17. Then, the cylinder 16 is activated, and the cylinder 16 pushes the sliding block 2 to slide inside the sliding groove 10, thereby realizing radial adjustment. Through controllable and rapid radial adjustment, the processing accuracy and processing efficiency are improved.

[0042] When the cutter head 17 needs to be replaced to adapt to different processing requirements, the limiting rod 19 is rotated so that its outer side slides out of the sliding groove 20. At this time, the rotating block 11 is rotated so that the transmission rod 12 drives the fixing block 13 to rotate, thereby removing the fixing block 13 from the fixing seat 15. The cutter head 17 can then be taken out for replacement. The fixing seat 15 at the bottom of the replaced cutter head 17 is slid into the sliding groove 18. After sliding in, the rotating block 11 is rotated so that the fixing block 13 rotates to the top of the fixing seat 15. This completes the overall fixing of the cutter head 17. Then, the base 9 is rotated so that its outer side slides into the sliding groove 20, thus fixing its position and preventing the reamer from loosening.

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present 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 the present utility model should be included within the protection scope of the present utility model.

Claims

1. Adjustable reamer based on slider radial adjustment mechanism, comprising an adjustment block (1), characterized in that: The bottom end of the adjusting block (1) is rotationally connected with a base (9), the inside of the adjusting block (1) is provided with a sliding groove (10), the inside of the sliding groove (10) is slidably connected with a sliding block (2), the top end of the base (9) is rotationally connected with a rotating gear (4), the top end of the rotating gear (4) is fixedly connected with a rotating shaft (5), the outside of the adjusting block (1) is provided with a gear groove (3), the inside of the sliding block (2) is provided with a tool bit (17), the rotating gear (4) is meshedly connected with the gear groove (3), the inside of the rotating shaft (5) is provided with a rotating assembly for rotation, and the inside of the sliding block (2) is provided with a replacement assembly for replacing a reamer.

2. The adjustable reamer based on slider radial adjustment mechanism according to claim 1, characterized in that: The rotating assembly comprises a connecting column (6), the outside of the connecting column (6) is slidably connected in the inside of the rotating shaft (5), the top end of the rotating shaft (5) is fixedly connected with a handle (7), and the outside of the connecting column (6) is threadedly connected with a protective shell (8).

3. The adjustable reamer based on slider radial adjustment mechanism according to claim 2, characterized in that: The bottom end of the protective shell (8) is fixedly connected to the top end of the base (9), and the outside of the rotating shaft (5) is rotationally connected in the inside of the protective shell (8).

4. The adjustable reamer based on slider radial adjustment mechanism according to claim 1, characterized in that: The replacement assembly comprises a rotating block (11), the outside of the rotating block (11) is rotationally connected in the inside of the sliding block (2), the inner side of the rotating block (11) is rotationally connected with a plurality of transmission rods (12), the outer side of each of the plurality of transmission rods (12) is rotationally connected with a fixed block (13), the inside of each of the plurality of fixed blocks (13) is rotationally connected with a rotating shaft (14), the bottom end of the tool bit (17) is fixedly connected with a fixed seat (15), and the bottom end of each of the plurality of fixed blocks (13) is coupled to the top end of the fixed seat (15).

5. The adjustable reamer based on slider radial adjustment mechanism according to claim 4, characterized in that: The outside of each of the plurality of rotating shafts (14) is fixedly connected in the inside of the sliding block (2), and the outside of each of the plurality of transmission rods (12) is rotationally connected in the inside of the rotating block (11).

6. The adjustable reamer based on slider radial adjustment mechanism according to claim 4, characterized in that: The inside of the sliding block (2) is provided with a sliding groove (18), and the outside of the fixed seat (15) is slidably connected in the inside of the sliding groove (18).

7. The adjustable reamer based on slider radial adjustment mechanism according to claim 4, characterized in that: The inside of the rotating block (11) is threadedly connected with a limiting rod (19), the top end of the adjusting block (1) is fixedly connected with an air cylinder (16), and the driving end of the air cylinder (16) is fixedly connected to the rear end of the sliding block (2).

8. The adjustable reamer based on slider radial adjustment mechanism according to claim 7, characterized in that: The top end of the adjusting block (1) is provided with a sliding groove (20), and the outside of the limiting rod (19) is slidably connected in the inside of the sliding groove (20).

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