Numerical control cutter handle convenient to assemble

By introducing limit sleeves and positioning components into the CNC tool holder and using thread screwing to achieve rapid disassembly and assembly of the cutter head, the problem of insufficient flexibility of the integral tool holder in the processing of multiple varieties and small batches of parts is solved, thereby improving the flexibility and efficiency of processing.

CN223338906UActive Publication Date: 2025-09-16SIHONG JIASHENG PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202422669615.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-09-16
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

The existing CNC tool holders are of an integral design. When processing a variety of small-batch parts with frequently changing hole diameters and hole depths, they lack flexibility and cannot meet the needs of rapid processing changes.

Method used

A CNC tool holder that is easy to assemble is designed. By setting a limit sleeve and positioning assembly in the tool holder, the cutter head can be quickly disassembled and installed by using a threaded screw-in method. Combined with a limit plate and connecting assembly, stability is ensured to meet the needs of rapid processing changes.

Benefits of technology

It realizes the rapid disassembly and assembly of the cutter head, improves the flexibility of the CNC tool holder, and meets the needs of rapid conversion processing of multiple varieties and small batches of parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a numerical control knife handle convenient to assemble, which relates to the technical field of numerical control knife handles and comprises a knife rest, a limit sleeve is arranged in the knife rest, a knife holder is arranged in the limit sleeve, a knife head is fixedly mounted at one end of the knife holder, and a threaded section is arranged on the surface of one end of the knife rest. A positioning assembly used for positioning the tool bit is arranged at one end of the tool rest and located at the threaded section. A worker rotates the positioning sleeve to enable the positioning sleeve to move along the threaded section in a threaded screwing-in mode so that the positioning sleeve can be detached, then the worker pulls the tool bit to enable the tool apron to be separated from the interior of the limiting sleeve, and after the worker installs a new tool bit in the limiting sleeve, the worker reversely rotates the positioning sleeve, so that the tool bit is detached from the tool apron. The tool bit penetrates through the receding hole and the positioning sleeve to press the tool apron, so that the tool bit is fixed, rapid disassembly and assembly of the tool bit are completed, and then the rapid conversion machining requirement can be met.
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Description

Technical Field

[0001] The utility model relates to the technical field of numerical control tool handles, in particular to a numerical control tool handle that is easy to assemble. Background Art

[0002] CNC toolholders are essential components that connect the machine tool spindle to the cutting tool, transmitting speed and torque to ensure tool stability and precision during machining. CNC toolholders come in a variety of styles, each with its own unique characteristics, suited to different machining requirements and machine tool configurations. When selecting a CNC toolholder, factors such as workpiece structure, manufacturability, machine tool capabilities, workpiece material, and process requirements must be considered comprehensively. Existing CNC toolholders are monolithic designs. When machining a wide variety of small-batch parts with frequently changing hole diameters and depths, these monolithic toolholders lack flexibility and are unable to meet the demands of rapidly changing machining processes. Utility Model Content

[0003] The main purpose of the present utility model is to provide a CNC tool holder that is easy to assemble, which can effectively solve the problem that the CNC tool holder in the background art is of an integral design. When processing a variety of small batch parts with frequently changing hole diameters and hole depths, the integral tool holder is not flexible enough and cannot meet the needs of quickly changing processing.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A CNC tool holder that is easy to assemble includes a tool holder, a limiting sleeve is provided in the tool holder, a tool seat is provided in the limiting sleeve, a tool head is fixedly mounted on one end of the tool seat, a threaded section is provided on the surface of one end of the tool holder, and a positioning component for positioning the tool head is provided at one end of the tool holder and at the position of the threaded section.

[0006] Preferably, the positioning assembly includes a positioning sleeve, the positioning sleeve thread is provided on one end surface of the tool holder and is located at the threaded section position, an avoidance hole is opened through the one end surface of the positioning sleeve, and the tool head passes through the avoidance hole.

[0007] Preferably, the limiting sleeve is movably arranged inside the tool holder.

[0008] Preferably, the limiting sleeve is provided with a positioning ring, a plurality of limiting plates are fixedly mounted on one side of the positioning ring, a plurality of limiting grooves are penetrated through the surface of one end of the tool holder, and each of the limiting grooves is interlaced with the corresponding limiting plate.

[0009] Preferably, a threaded hole is provided on one side surface of each of the limit plates, and a connecting component for connection is provided through a thread on the outer wall surface of each of the tool holders.

[0010] Preferably, the connecting assembly includes a plurality of positioning bolts, each of which is threaded and arranged on the outer wall surface of the tool holder, and each of the positioning bolts is respectively inserted and fitted with a corresponding threaded hole.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] (1) The staff rotates the positioning sleeve to move it along the threaded section by screwing it in, so that the positioning sleeve can be disassembled. Then the staff pulls the cutter head to make the tool holder detach from the inside of the limit sleeve. After that, the staff installs the new cutter head inside the limit sleeve. The staff rotates the positioning sleeve in the opposite direction so that the cutter head passes through the avoidance hole. The positioning sleeve presses the tool holder to fix the cutter head, thereby completing the rapid disassembly and assembly of the cutter head, thereby meeting the needs of rapid processing changes. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of a CNC tool handle that is easy to assemble in the utility model;

[0014] Figure 2 This is a front view structural diagram of a CNC tool handle that is easy to assemble according to the utility model;

[0015] Figure 3 This utility model is a CNC tool handle that is easy to assemble Figure 2 Schematic diagram of the cross-section structure at AA in the middle;

[0016] Figure 4 This utility model is a CNC tool handle that is easy to assemble Figure 3 A magnified schematic diagram of the structure at center A.

[0017] In the figure: 1. Tool holder; 2. Limiting sleeve; 3. Tool holder; 4. Tool head; 5. Threaded section; 6. Positioning assembly; 601. Positioning sleeve; 602. Avoidance hole; 7. Positioning ring; 8. Limiting plate; 801. Threaded hole; 9. Limiting groove; 10. Connecting assembly; 1001. Positioning bolt. DETAILED DESCRIPTION

[0018] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] like Figure 1-Figure 4As shown, a CNC tool holder that is easy to assemble includes a tool holder 1, a limiting sleeve 2 is provided in the tool holder 1, a tool seat 3 is provided in the limiting sleeve 2, a tool head 4 is fixedly installed at one end of the tool seat 3, a threaded section 5 is provided on the surface of one end of the tool holder 1, and a positioning component 6 for positioning the tool head 4 is provided at one end of the tool holder 1 and at the position of the threaded section 5.

[0020] The positioning assembly 6 includes a positioning sleeve 601 , which is threadedly arranged on one end surface of the tool holder 1 and located at the threaded section 5 . An avoidance hole 602 is formed through one end surface of the positioning sleeve 601 , and the tool head 4 passes through the avoidance hole 602 .

[0021] The staff rotates the positioning sleeve 601 to move it along the threaded section 5 by screwing it in, so as to dismantle the positioning sleeve 601. Then the staff pulls the cutter head 4 to make the tool holder 3 detach from the inside of the limiting sleeve 2. After that, the staff installs the new cutter head 4 inside the limiting sleeve 2, and then rotates the positioning sleeve 601 in the opposite direction to make the cutter head 4 pass through the avoidance hole 602. The positioning sleeve 601 presses the tool holder 3 to fix the cutter head 4, thereby completing the rapid disassembly and assembly of the cutter head 4, which can meet the needs of rapid processing changes.

[0022] In another embodiment of the present invention, the limiting sleeve 2 is movably arranged inside the tool holder 1 .

[0023] The limiting sleeve 2 is provided with a positioning ring 7, and a plurality of limiting plates 8 are fixedly installed on one side of the positioning ring 7. A plurality of limiting grooves 9 are formed through the surface of one end of the tool holder 1, and each limiting groove 9 is interlaced with the corresponding limiting plate 8.

[0024] After the staff disassembles the positioning sleeve 601 , the staff pulls the limiting sleeve 2 to disassemble the limiting sleeve 2 , so that the staff can quickly replace the limiting sleeve 2 according to the specifications of the tool holder 3 of different tool heads 4 .

[0025] In another embodiment of the present invention, a threaded hole 801 is provided on one side surface of each limiting plate 8 , and a connecting component 10 for connection is provided through the thread on the outer wall surface of each tool holder 1 .

[0026] The connecting assembly 10 includes a plurality of positioning bolts 1001 . Each positioning bolt 1001 is threadedly provided on the outer wall surface of the tool holder 1 . Each positioning bolt 1001 is respectively inserted and fitted into a corresponding threaded hole 801 .

[0027] The staff can quickly fix the limiting sleeve 2 by quickly installing the positioning bolt 1001, so as to prevent the limiting sleeve 2 from loosening during use and to prevent the stability during cutting processing from being affected.

[0028] The working principle of this easy-to-assemble CNC tool holder:

[0029] During use, the staff rotates the positioning sleeve 601 to move it along the threaded section 5 by screwing in the thread, so as to disassemble the positioning sleeve 601. Then the staff pulls the cutter head 4 to make the tool holder 3 detach from the inside of the limiting sleeve 2. After that, the staff installs the new cutter head 4 inside the limiting sleeve 2, and then rotates the positioning sleeve 601 in the opposite direction so that the cutter head 4 passes through the avoidance hole 602. The positioning sleeve 601 presses the tool holder 3 to fix the cutter head 4, thereby completing the rapid disassembly and assembly of the cutter head 4, which can meet the needs of rapid processing changes.

[0030] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the scope of protection of the present invention.

Claims

1. A CNC tool holder that is easy to assemble, comprising a tool holder (1), characterized in that: A limiting sleeve (2) is provided in the tool holder (1), a tool seat (3) is provided in the limiting sleeve (2), a tool head (4) is fixedly mounted on one end of the tool seat (3), a threaded section (5) is provided on the surface of one end of the tool holder (1), and a positioning component (6) for positioning the tool head (4) is provided at one end of the tool holder (1) and located at the position of the threaded section (5).

2. The CNC tool handle that is easy to assemble according to claim 1, characterized in that: The positioning assembly (6) comprises a positioning sleeve (601), the positioning sleeve (601) being threadedly arranged on one end surface of the tool holder (1) and located at the threaded section (5), a relief hole (602) being formed through one end surface of the positioning sleeve (601), and the tool head (4) being passed through the relief hole (602).

3. The CNC tool handle that is easy to assemble according to claim 2, characterized in that: The limiting sleeve (2) is movably arranged inside the tool holder (1).

4. The CNC tool handle that is easy to assemble according to claim 3, characterized in that: The limiting sleeve (2) is provided with a positioning ring (7) on its sleeve body, and a plurality of limiting plates (8) are fixedly installed on one side of the positioning ring (7). A plurality of limiting grooves (9) are formed through the surface of one end of the tool holder (1), and each limiting groove (9) is interlaced with a corresponding limiting plate (8).

5. The CNC tool handle that is easy to assemble according to claim 4, characterized in that: A threaded hole (801) is provided on one side surface of each of the limiting plates (8), and a connecting assembly (10) for connection is provided through a thread on the outer wall surface of each of the tool holders (1).

6. The CNC tool handle that is easy to assemble according to claim 5, characterized in that: The connecting assembly (10) comprises a plurality of positioning bolts (1001), each of the positioning bolts (1001) being threadedly disposed on the outer wall surface of the tool holder (1), and each of the positioning bolts (1001) being respectively inserted and fitted into a corresponding threaded hole (801).