Numerical control cutter convenient to adjust cutter length
By setting up a transmission cavity and threaded rod inside the tool holder of the CNC tool, combined with the design of the lifting plate, convenient adjustment of tool length is achieved, and the problem of inconvenient adjustment of tool length in the prior art is solved, and the working efficiency and simplicity of operation are improved.
Patent Information
- Application Number
- CN202421291825.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-06-07
AI Technical Summary
When processing different workpieces, existing CNC tools need to replace tools of different lengths, resulting in cumbersome replacement process and reducing work efficiency.
A CNC tool including a tool holder and a tool is designed. A transmission cavity is installed inside the tool holder. The tool length is adjusted by the coordination of the threaded rod and the lifting plate. The operator can complete the adjustment by simply turning the knob.
It realizes convenient adjustment of tool length without changing tools, improves work efficiency, is simple to operate, is suitable for beginners, and ensures machining accuracy and work efficiency.
Smart Images

Figure CN222791210U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of numerical control tools, in particular to a numerical control tool which is convenient for adjusting the tool length. Background Art
[0002] CNC tools are tools used for cutting processing in mechanical manufacturing, also known as cutting tools. The characteristics of CNC tools include good stable cutting performance, long life, good interchangeability, high precision, reliable chip rolling and chip breaking performance, size adjustment function, etc. These characteristics enable CNC tools to maintain high precision and high efficiency during the processing process. They are particularly suitable for industries with high requirements on processing accuracy and efficiency, such as aerospace, automobile manufacturing, optoelectronics, mechanical processing and other fields.
[0003] The existing Chinese patent with announcement number CN213530796U discloses a CNC tool, including a tool disc and a tool rod, a blade is installed on the outer side of the tool disc, and a connecting section is fixed at the bottom end of the tool disc, the tool rod is connected to the bottom of the connecting section, and a protrusion is arranged on the top of the tool rod, a groove is provided on the inner side of the protrusion, an insertion rod is arranged at the inner bottom end of the connecting section, and the side of the insertion rod is connected to a limiting block, a square rod is fixed to the bottom end of the insertion rod, and a fixing hole is arranged inside the insertion rod, a slot is arranged at the inner top end of the tool rod, and the bottom end of the slot is connected to a first docking hole, an auxiliary hole located outside the fixing hole is arranged inside the tool disc, and a second docking hole located inside the tool rod is arranged below the auxiliary hole.
[0004] Although the above scheme is easy to install and can avoid offset, when different workpieces need to be processed, the CNC tool needs to be disassembled and replaced with tools of different lengths. The replacement process is relatively cumbersome, time-consuming and labor-intensive, which reduces the work efficiency during workpiece processing. Therefore, it does not meet existing needs. In this regard, we propose a CNC tool that is easy to adjust the tool length. Utility Model Content
[0005] The utility model aims to provide a CNC tool which is convenient for adjusting the tool length, so as to solve the problem that the tool length of the CNC tool proposed in the above background technology is inconvenient to adjust, thus affecting the working efficiency.
[0006] To achieve the above object, the utility model provides the following technical solution: a CNC tool that is convenient for adjusting the tool length, comprising a tool handle and a tool, wherein a transmission cavity is provided inside the tool handle, and one end of the tool extends into the transmission cavity;
[0007] It also includes a threaded rod, which is rotatably arranged at the front side of the transmission chamber, the outer thread of the threaded rod is connected to a lifting plate, and the lifting plate is connected to one end of the tool located in the transmission chamber, and the lower end of the threaded rod is fixed with a first rotating shaft, and the first rotating shaft is rotatably connected to the transmission chamber;
[0008] It also includes an observation seat, which is arranged at the front end of the tool handle. An indicator block is arranged at the middle position of the front end of the observation seat, and the indicator block is slidably matched with the observation seat.
[0009] Preferably, a guide rod is welded on the rear side of the transmission cavity, the guide rod passes through the lifting plate, and the guide rod is slidably matched with the lifting plate.
[0010] Preferably, a second rotating shaft is provided on one side of the first rotating shaft, one end of the second rotating shaft extends to the outside of the transmission cavity, and the second rotating shaft rotates in cooperation with the transmission cavity, and one end of the second rotating shaft located inside the transmission cavity and the outer wall of the first rotating shaft are provided with bevel gears, and the bevel gears are meshingly connected.
[0011] Preferably, scales are provided on both sides of the front end of the observation seat.
[0012] Preferably, a fixed block is fixed to the outer wall of the tool, and sliding grooves are opened on both sides of the inside of the tool handle. A sliding block is provided inside the sliding groove, and the sliding block is slidably matched with the sliding groove. A sliding rod is adhesively fixed to the lower end of the sliding block, one end of the sliding rod extends to the outside of the sliding groove, and the sliding rod is slidably matched with the sliding groove, and the end of the sliding rod located outside the sliding groove is connected to the fixed block.
[0013] Preferably, a knob is installed at one end of the second rotating shaft located outside the transmission cavity.
[0014] Preferably, a connecting block is bonded and fixed to the front end of the lifting plate, and one end of the connecting block is bonded and fixed to the indicating block.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. The utility model provides a transmission cavity inside the tool handle. When the length of the tool needs to be adjusted, the operator can turn the knob, and the knob will rotate the threaded rod under the transmission of the bevel gear. The rotation of the threaded rod will drive the lifting plate to move up and down, and then the tool can be driven to move out or move into the transmission, so as to conveniently adjust the tool length without changing the tool, thereby increasing work efficiency. The operator only needs to turn the knob to complete the adjustment, which is easy to master and greatly reduces the difficulty of operation, so that even novices can quickly get started and have good practicality.
[0017] 2. The utility model provides an observation seat at the front end of the tool handle. When the lifting plate moves up and down, the lifting plate will drive the indicating block to slide at the front end of the observation seat through the connecting block. By comparing with the scales on both sides of the front end of the observation seat, the adjusted length of the tool can be easily and conveniently known. Even for novice operators, it is easy to get started and accurately adjust the tool length, thereby ensuring processing accuracy and work efficiency.
[0018] 3. The utility model provides a fixed block on the outer wall of the tool. When the tool moves up and down, the fixed block will drive the fixed block to move synchronously, and the fixed block will drive the slider inside the slide groove to move synchronously through the slide rod. The smooth movement of the slider in the slide groove ensures the fluency and stability of the adjustment process. The slide rod can increase the connection stability between the tool and the tool handle, ensuring that the tool can remain stable and not easy to shake when adjusting the length of the tool. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a front view schematic diagram of the overall structure of the utility model;
[0020] Figure 2 It is a front view schematic diagram of the internal structure of the utility model;
[0021] Figure 3 It is a side view schematic diagram of the internal structure of the utility model;
[0022] Figure 4 For the utility model Figure 3 A partial enlarged view of area A.
[0023] In the figure: 1. tool handle; 2. tool; 3. transmission chamber; 4. threaded rod; 5. guide rod; 6. lifting plate; 7. first rotating shaft; 8. bevel gear; 9. second rotating shaft; 10. knob; 11. observation seat; 12. connecting block; 13. indicator block; 14. scale; 15. fixed block; 16. slide groove; 17. slide rod; 18. slider. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] See also Figure 1-4 The utility model provides a technical solution: a CNC tool that is convenient for adjusting the tool length, comprising a tool handle 1 and a tool 2, wherein a transmission cavity 3 is provided inside the tool handle 1, and one end of the tool 2 extends into the transmission cavity 3;
[0026] It also includes a threaded rod 4, which is rotatably arranged at the front side of the transmission chamber 3, the outer thread of the threaded rod 4 is connected to a lifting plate 6, and the lifting plate 6 is connected to one end of the tool 2 located in the transmission chamber 3, and the lower end of the threaded rod 4 is fixed with a first rotating shaft 7, and the first rotating shaft 7 is rotatably connected to the transmission chamber 3;
[0027] It also includes an observation seat 11, which is arranged at the front end of the knife handle 1. An indicator block 13 is arranged at the middle position of the front end of the observation seat 11, and the indicator block 13 is slidably matched with the observation seat 11.
[0028] During use, the operator can drive the first rotating shaft 7 and the threaded rod 4 to rotate by rotating the knob 10. The rotation of the threaded rod 4 causes the lifting plate 6 to move vertically along the guide rod 5, driving the tool 2 to adjust the length, thereby eliminating the need to replace the tool and improving work efficiency. When the lifting plate 6 moves, the indicator block 13 slides at the front end of the observation seat 11, and the scales 14 on both sides are used to quickly read the adjusted length. The entire operation process is simple and convenient, and is suitable for novice operators.
[0029] See also Figure 3 A guide rod 5 is welded on the rear side of the transmission cavity 3, and the guide rod 5 passes through the lifting plate 6. The guide rod 5 and the lifting plate 6 are slidably matched. The sliding match between the guide rod 5 and the lifting plate 6 ensures the stability and accuracy of the lifting plate 6 during the vertical movement, prevents the lifting plate 6 from deflecting or shaking during the movement, and ensures the precise adjustment of the tool length;
[0030] See also Figure 2 and Figure 3 A second rotating shaft 9 is provided on one side of the first rotating shaft 7, one end of the second rotating shaft 9 extends to the outside of the transmission chamber 3, and the second rotating shaft 9 rotates in cooperation with the transmission chamber 3. A bevel gear 8 is provided on the outer wall of the first rotating shaft 7 at one end of the second rotating shaft 9 located inside the transmission chamber 3, and the bevel gears 8 are meshedly connected. The first rotating shaft 7 and the second rotating shaft 9 are meshedly connected by the bevel gear 8, so that the knob 10 realizes the transmission control of the lifting plate 6. This arrangement not only has high transmission efficiency, but also has a compact structure, making the entire adjustment process smoother and more reliable;
[0031] See also Figure 1 , scales 14 are provided on both sides of the front end of the observation seat 11. By comparing the position of the indicator block 13 on the scale 14, the operator can quickly and accurately know the adjusted length of the tool 2, thereby improving the work efficiency and the accuracy of the operation;
[0032] See also Figure 1 and Figure 2A fixing block 15 is fixed to the outer wall of the tool 2, and slide grooves 16 are provided on both sides of the interior of the tool handle 1. A slider 18 is provided inside the slide groove 16, and the slider 18 slides with the slide groove 16. A slide rod 17 is adhered and fixed to the lower end of the slider 18, and one end of the slide rod 17 extends to the outside of the slide groove 16, and the slide rod 17 slides with the slide groove 16. The end of the slide rod 17 located outside the slide groove 16 is connected to the fixing block 15. The setting of the fixing block 15, the slide groove 16, the slider 18 and the slide rod 17 enhances the connection stability between the tool 2 and the tool handle 1. When adjusting the length of the tool 2, these components work together to effectively prevent the tool 2 from shaking or deflecting, thereby ensuring the processing accuracy and safety;
[0033] See also Figure 1 and Figure 3 A knob 10 is installed at one end of the second rotating shaft 9 located outside the transmission chamber 3. The setting of the knob 10 enables the operator to adjust the length of the tool 2 by a simple rotation action, which is simple and convenient to operate, reduces the difficulty of operation, and improves work efficiency;
[0034] See also Figure 4 A connecting block 12 is bonded and fixed to the front end of the lifting plate 6, and one end of the connecting block 12 is bonded and fixed to the indicating block 13. The movement of the lifting plate 6 can be intuitively reflected on the scale 14 of the observation seat 11, providing the operator with real-time and accurate feedback information, which is convenient for the operator to accurately adjust the tool length.
[0035] Working principle: When in use, the operator turns the knob 10, the knob 10 will drive the second shaft 9 to rotate synchronously, the second shaft 9 will drive one of the bevel gears 8 to rotate synchronously, because the bevel gear 8 is meshed with the other bevel gear 8, it can drive the other bevel gear 8 to make the first shaft 7 rotate synchronously, the first shaft 7 will drive the threaded rod 4 to rotate synchronously, the threaded rod 4 will drive the lifting plate 6 to rise and fall synchronously, because the lifting plate 6 and the guide rod 5 slide together, the rotation of the lifting plate 6 will be limited axially, the rotation of the lifting plate 6 will be converted into vertical movement up and down, the lifting plate 6 will synchronously drive the tool 2 to move when it moves, so that the length of the tool 2 can be adjusted, there is no need to replace the tool, the work efficiency is increased, and the operation is simple and easy to use. When the lifting plate 6 moves up and down When the operator adjusts the length of the tool 2 through the knob 10, the tool 2 will drive the fixed block 15 to move up and down synchronously, and the slide bar 17 in the upper end of the fixed block 15 will move in the slide groove 16 accordingly, pushing the slide block 18 to move synchronously. The smooth movement of the slide block 18 in the slide groove 16 ensures the smoothness and stability of the adjustment process. The connection between the slide bar 17 makes the connection between the tool 2 and the tool handle 1 more stable, effectively preventing the tool from shaking or deflecting during the adjustment process, and ensuring the processing accuracy and safety.
[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A numerically controlled tool for facilitating the adjustment of tool length, comprising a tool handle (1) and a tool (2), wherein a transmission cavity (3) is provided inside the tool handle (1), and one end of the tool (2) extends into the transmission cavity (3), characterized in that: It also includes a threaded rod (4) which is rotatably arranged at the front side of the transmission chamber (3); the outer thread of the threaded rod (4) is connected to a lifting plate (6), and the lifting plate (6) is connected to one end of the tool (2) located inside the transmission chamber (3); a first rotating shaft (7) is fixed to the lower end of the threaded rod (4), and the first rotating shaft (7) is rotatably connected to the transmission chamber (3); It also comprises an observation seat (11) which is arranged at the front end of the knife handle (1); an indication block (13) is arranged at the middle position of the front end of the observation seat (11), and the indication block (13) is slidably matched with the observation seat (11).
2. A CNC tool for facilitating adjustment of tool length according to claim 1, characterized in that: A guide rod (5) is welded to the rear side of the transmission cavity (3), the guide rod (5) passes through the lifting plate (6), and the guide rod (5) and the lifting plate (6) are slidably matched.
3. A CNC tool for facilitating adjustment of tool length according to claim 1, characterized in that: A second rotating shaft (9) is arranged on one side of the first rotating shaft (7), one end of the second rotating shaft (9) extends to the outside of the transmission chamber (3), and the second rotating shaft (9) is rotatably matched with the transmission chamber (3), and one end of the second rotating shaft (9) located inside the transmission chamber (3) and the outer wall of the first rotating shaft (7) are both provided with a bevel gear (8), and the bevel gears (8) are meshingly connected with each other.
4. A CNC tool for facilitating adjustment of tool length according to claim 1, characterized in that: Scales (14) are arranged on both sides of the front end of the observation seat (11).
5. The CNC tool for facilitating adjustment of tool length according to claim 1, characterized in that: A fixed block (15) is fixed to the outer wall of the tool (2), and slide grooves (16) are provided on both sides of the handle (1). A slider (18) is provided inside the slide groove (16), and the slider (18) and the slide groove (16) are slidably matched. A slide rod (17) is adhered and fixed to the lower end of the slider (18), and one end of the slide rod (17) extends to the outside of the slide groove (16), and the slide rod (17) and the slide groove (16) are slidably matched, and the end of the slide rod (17) located outside the slide groove (16) is connected to the fixed block (15).
6. A CNC tool for facilitating adjustment of tool length according to claim 3, characterized in that: A knob (10) is installed at one end of the second rotating shaft (9) located outside the transmission chamber (3).
7. The CNC tool for facilitating adjustment of tool length according to claim 1, characterized in that: A connecting block (12) is bonded and fixed to the front end of the lifting plate (6), and one end of the connecting block (12) is bonded and fixed to the indicating block (13).
Citation Information
Patent Citations
Numerical control cutter
CN213530796U