Simple numerical control tool holder locking device for tool holder

By setting a tapered through hole, protective bushing and positioning block in the locking tool holder device, the problem of easy damage to the tool holder of the locking tool holder is solved, stable installation and efficient disassembly are achieved, and the efficiency of loading and unloading of milling tools is improved and the machining accuracy is maintained.

CN223146573UActive Publication Date: 2025-07-25IRICO
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Patent Information

Application Number
CN202421523016.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-07-25
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

The existing locking tool holder cone sleeve is made of steel without any protective measures. Frequent disassembly and installing tools can easily cause damage to the surface of the tool holder cone handle, affecting the processing accuracy.

Method used

A simple CNC tool holder locking device is designed, which adopts a tapered through hole and protective bushing in the base, which is matched with a positioning block and a limiting plate. The protective bushing made of flexible materials prevents the shank from colliding, and improves structural stability through the support plate.

Benefits of technology

It realizes rapid installation and disassembly of the tool holder, prevents damage to the tool holder surface, improves the efficiency of loading and unloading milling cutters, and maintains machining accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a simple numerical control cutter holder locking device for a cutter handle, which is beneficial to positioning of the cutter handle by arranging a base and arranging a conical through hole in the base, and the conical degree of the conical through hole is consistent with that of the cutter handle. A positioning block is installed above a base with a conical through hole, the position and the size of the positioning block can be changed and adjusted, the positioning block is adopted to be matched with two key grooves of the knife handles with different sizes to fix rotation of the knife handle flange, and therefore the knife handles are fixed. A protective bush is installed in the conical through hole to prevent collision of the cutter handle and damage to the surface of the taper shank part of the cutter handle, and the precision of the cutter handle is not affected. Therefore, the tool locking seat can be quickly and firmly mounted by the aid of any platform and can be easily taken away, milling cutter mounting and dismounting efficiency can be greatly improved, surface damage of a taper shank part of a cutter handle caused by frequent mounting and dismounting of the cutter is prevented, and machining precision is not affected.
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Description

Technical Field

[0001] The utility model belongs to the technical field of tool holders, and relates to a simple numerical control tool holder locking device. Background Art

[0002] The tool holder, also called a tool remover, is an accessory suitable for locking the tool holders of CNC machining centers and numerical control machine tools. When a numerical control milling cutter is clamped, it must be installed firmly, otherwise it is easy to be pulled out during high-speed rotary machining. The tool holder is a necessary special tool for loading and unloading numerical control milling cutters. When loading and unloading the milling cutter, first place the tool holder in the tool holder, and the two key grooves on the tool holder are matched with the two flat keys on the tool holder. When turning the nut with a wrench, it can be easily tightened. There are many types of tool removers on the market, and the price differences are very large. The commonly used tool holders have complex structures and single functions, and are designed and installed separately for vertical and horizontal types. The commonly used tool holder cone sleeves are made of steel and have no protective measures. Frequent disassembly and installation of tools are likely to cause surface damage to the tapered part of the tool holder, which will affect the machining accuracy. Content of the Utility Model

[0003] The purpose of the utility model is to solve the problem that the tool holder cone sleeve in the prior art is made of steel and has no protective measures, and frequent disassembly and installation of tools are likely to cause surface damage to the tapered part of the tool holder, and to provide a simple numerical control tool holder locking device.

[0004] To achieve the above object, the utility model adopts the following technical solutions:

[0005] A simple numerical control tool holder locking device proposed by the utility model includes a base; a tapered through hole is provided in the base, and a protective bushing is provided in the tapered through hole; a positioning block for fixing the tool holder flange is installed above the base.

[0006] Preferably, a step is provided above the outer wall of the base, and a limiting plate is installed on the outer side wall of the step.

[0007] Preferably, a lower bottom plate is installed below the base.

[0008] Preferably, a support plate is installed between the limiting plate and the lower bottom plate.

[0009] Preferably, both the limiting plate and the lower bottom plate are connected to the support plate by fastening screws.

[0010] Preferably, the protective bushing is fixed to the tapered through hole by an adhesive method.

[0011] Preferably, the protective bushing is made of a flexible material.

[0012] Preferably, there are several positioning blocks.

[0013] Preferably, a plurality of positioning blocks are arranged at equal intervals.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] A simple numerical control tool holder lock seat device proposed by the utility model, by setting a base, and opening a tapered through hole in the base, the taper of the tapered through hole is consistent with that of the tool holder, which is beneficial for the tool holder to be in place. Then, positioning blocks are installed above the base with the tapered through hole, and the position and size of the positioning blocks can be replaced and adjusted. The positioning blocks are used to cooperate with the two key grooves of different sizes of tool holders to fix the rotation of the tool holder flange, thereby realizing the fixation of the tool holder. A protective bushing is installed in the tapered through hole to prevent the tool holder from colliding and damaging the surface of the tapered shank part of the tool holder, without affecting the tool holder accuracy. Therefore, the device proposed by the utility model can quickly and firmly install the lock seat with the help of any platform, and can be easily taken away, which can greatly improve the efficiency of loading and unloading milling cutters, and prevent the surface of the tapered shank part of the tool holder from being damaged due to frequent disassembly and installation of tools, without affecting the machining accuracy.

[0016] Furthermore, a step is provided on the base for installing a limit plate, so that the inner side surface of the flange of the tool holder is in close tangency.

[0017] Furthermore, a lower bottom plate is installed under the base. When the lock seat needs to load and unload tools vertically, the lower bottom plate contacts the platform, which is beneficial for installing and fixing the whole lock seat.

[0018] Furthermore, a support plate is connected between the limit plate and the lower bottom plate, and its function is to make the overall structure of the lock seat stable and firm. And when the lock seat needs to load and unload tools horizontally, the support plate contacts the installation platform, which is beneficial for installing and fixing the whole lock seat.

[0019] Furthermore, the protective bushing is made of a flexible material, because the flexible material has excellent wear resistance, can withstand long-term friction and shear force, and can maintain its original performance for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] 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 to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0021] Figure 1 It is a structural diagram of the simple numerical control tool holder lock seat device of the present utility model.

[0022] Figure 2 It is a structural diagram of the base of the present utility model.

[0023] Wherein: 1 - base, 2 - positioning block, 3 - support plate, 4 - lower base plate, 5 - limiting plate, 6 - fastening bolt. Detailed implementation manners

[0024] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the present utility model to be protected, but merely represents the selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0026] It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0027] In the description of the embodiments of the present utility model, it should be noted that if terms such as "upper", "lower", "horizontal", "inner", etc. are used to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the present utility model is usually placed when in use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation to the present utility model. In addition, terms such as "first", "second", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0028] In addition, if the term "horizontal" appears, it does not mean that the component is required to be absolutely horizontal, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0029] In the description of the embodiments of the present utility model, it should also be noted that unless otherwise clearly specified and defined, if the terms "set", "installed", "connected", and "coupled" are used, they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0030] The following further describes the present utility model in detail with reference to the accompanying drawings:

[0031] Embodiment 1

[0032] A simple numerical control tool holder locking seat device proposed by the present utility model, as Figure 1 and Figure 2 shown, includes a base 1; a tapered through hole is provided in the base 1, and a protective bushing is provided in the tapered through hole; a positioning block 2 for fixing the tool holder flange is installed above the base 1.

[0033] By providing a base 1 and opening a tapered through hole in the base 1, the taper of the tapered through hole is consistent with that of the tool holder, which is beneficial for the tool holder to be in place. Then, a positioning block 2 is installed above the base 1 with the tapered through hole, and the position and size of the positioning block 2 can be replaced and adjusted. The positioning block 2 is used to cooperate with the two key grooves of tool holders of different sizes to fix the rotation of the tool holder flange, thereby realizing the fixation of the tool holder. A protective bushing is installed in the tapered through hole to prevent the tool holder from colliding and damaging the surface of the tapered shank part of the tool holder, without affecting the tool holder accuracy. Therefore, the device proposed by the present utility model can quickly and firmly install the locking seat on any platform, and can be easily removed, which can greatly improve the efficiency of loading and unloading milling cutters, and prevent damage to the surface of the tapered shank part of the tool holder caused by frequent disassembly and installation of the tool, without affecting the machining accuracy.

[0034] Embodiment 2

[0035] A simple numerical control tool holder locking seat device proposed by the present utility model, as Figure 1 and Figure 2 shown, includes a base 1; a tapered through hole is provided in the base 1, and a protective bushing is provided in the tapered through hole; a positioning block 2 for fixing the tool holder flange is installed above the base 1. A step is provided above the outer wall of the base 1, and a limiting plate 5 is installed on the outer side wall of the step, so that the inner side surface of the flange of the tool holder is in close tangency.

[0036] Embodiment 3

[0037] A simple numerical control tool holder locking seat device proposed by the present utility model, as Figure 1 and Figure 2As shown, it includes a base 1; a conical through-hole is provided in the base 1, and a protective bushing is provided in the conical through-hole; a positioning block 2 for fixing the tool holder flange is installed above the base 1. A step is provided above the outer wall of the base 1, a limiting plate 5 is installed on the outer side wall of the step, and a lower bottom plate 4 is installed below the base 1. When the tool locking seat needs to load and unload the tool vertically, the lower bottom plate 4 contacts the platform, which is beneficial to installing and fixing the overall tool locking seat.

[0038] Embodiment 4

[0039] A simple numerical control tool holder locking seat device proposed by the present utility model, as Figure 1 and Figure 2 shown, includes a base 1; a conical through-hole is provided in the base 1, and a protective bushing is provided in the conical through-hole; a positioning block 2 for fixing the tool holder flange is installed above the base 1. A step is provided above the outer wall of the base 1, a limiting plate 5 is installed on the outer side wall of the step, and a lower bottom plate 4 is installed below the base 1. A support plate 3 is installed between the limiting plate 5 and the lower bottom plate 4, and its function is to make the overall structure of the tool locking seat stable and firm. And when the tool locking seat needs to load and unload the tool horizontally, the support plate 3 contacts the installation platform, which is beneficial to installing and fixing the overall tool locking seat.

[0040] Embodiment 5

[0041] A simple numerical control tool holder locking seat device proposed by the present utility model, as Figure 1 and Figure 2 shown, includes a base 1; a conical through-hole is provided in the base 1, and a protective bushing is provided in the conical through-hole; a positioning block 2 for fixing the tool holder flange is installed above the base 1. A step is provided above the outer wall of the base 1, a limiting plate 5 is installed on the outer side wall of the step, and a lower bottom plate 4 is installed below the base 1. A support plate 3 is installed between the limiting plate 5 and the lower bottom plate 4, and both the limiting plate 5 and the lower bottom plate 4 are connected to the support plate 3 by fastening screws 6.

[0042] Embodiment 6

[0043] A simple numerical control tool holder locking seat device proposed by the present utility model, as Figure 1 and Figure 2 shown, includes a base 1; a conical through-hole is provided in the base 1, and a protective bushing is provided in the conical through-hole; a positioning block 2 for fixing the tool holder flange is installed above the base 1. The protective bushing is fixed to the conical through-hole by an adhesive method.

[0044] Embodiment 7

[0045] A simple numerical control tool holder locking seat device proposed by the present utility model, as Figure 1 and Figure 2As shown, it includes a base 1; a conical through-hole is provided in the base 1, and a protective bushing is provided in the conical through-hole; a positioning block 2 for fixing the tool holder flange is installed above the base 1. The protective bushing is made of a flexible material, because the flexible material has excellent wear resistance, can withstand long-term friction and shear forces, and maintain its original performance for a long time.

[0046] Embodiment 8

[0047] A simple numerical control tool holder locking seat device proposed by the present utility model, as Figure 1 and Figure 2 shown, includes a base 1; a conical through-hole is provided in the base 1, and a protective bushing is provided in the conical through-hole; a positioning block 2 for fixing the tool holder flange is installed above the base 1. There are several positioning blocks 2.

[0048] Embodiment 9

[0049] A simple numerical control tool holder locking seat device proposed by the present utility model, as Figure 1 and Figure 2 shown, includes a base 1; a conical through-hole is provided in the base 1, and a protective bushing is provided in the conical through-hole; a positioning block 2 for fixing the tool holder flange is installed above the base 1, and several positioning blocks 2 are arranged at equal intervals.

[0050] Therefore, for a simple numerical control tool holder locking seat device proposed by the present utility model, the positioning block 2 installed on the base 1 adjusts the position and size of the positioning block 2 to cooperate with the two key grooves of different sizes of the tool holder to fix the rotation of the tool holder flange, thereby realizing the fixation of the tool holder. The taper of the conical through-hole on the base is the same as that of the tool holder, which is beneficial for the tool holder to be in place. A protective bushing is installed in the conical through-hole to prevent the tool holder from colliding and affecting the accuracy of the tool holder. A step is provided on the conical base for installing the limit plate 5, so that the inner side surface of the flange of the tool holder is in close tangency. A lower bottom plate 4 is installed under the conical hole base. When the locking seat needs to load and unload the tool vertically, the lower bottom plate contacts the platform, which is beneficial for installing and fixing the whole locking seat. A support plate 3 is connected between the limit plate 5 and the lower bottom plate 4, and its function is to make the overall structure of the locking seat stable and firm. When the locking seat needs to load and unload the tool horizontally, the support plate contacts the installation platform, which is beneficial for installing and fixing the whole locking seat. Therefore, the device proposed by the present utility model has a simple structure and high stability, can quickly and firmly install the locking seat by means of any platform, and can be easily taken away, which can greatly improve the efficiency of loading and unloading the milling cutter, and prevent the surface damage of the taper shank part of the tool holder caused by frequent disassembly and installation of the tool, which will affect the machining accuracy. It combines the traditional vertical tool seat and horizontal tool seat into one, which is convenient and practical, has precise dimensions, the overall design does not damage the tool holder, and is durable.

[0051] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, various modifications and variations can be made to the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A simple numerical control tool holder locking seat device, characterized in that, It includes a base (1); a conical through-hole is provided in the base (1), and a protective bushing is provided in the conical through-hole; a positioning block (2) for fixing a tool holder flange is installed above the base (1).

2. The simple numerical control tool holder locking seat device according to claim 1, characterized in that, A step is provided above the outer wall of the base (1), and a limiting plate (5) is installed on the outer side wall of the step.

3. The simple numerical control tool holder locking seat device according to claim 2, characterized in that, A lower bottom plate (4) is installed below the base (1).

4. The simple numerical control tool holder locking seat device according to claim 3, characterized in that A support plate (3) is installed between the limiting plate (5) and the lower bottom plate (4).

5. The simple numerical control tool shank locking seat device according to claim 4, characterized in that Both the limiting plate (5) and the lower bottom plate (4) are connected to the support plate (3) by fastening screws (6).

6. The simple numerical control tool holder locking seat device according to claim 1, wherein, The protective bushing is fixed to the conical through-hole by an adhesive method.

7. The simple numerical control tool holder locking seat device according to claim 1, characterized in that, The protective bushing is made of a flexible material.

8. The simple numerical control tool holder locking seat device according to claim 1, characterized in that, There are several positioning blocks (2).

9. The simple numerical control tool holder locking seat device according to claim 8, wherein, The several positioning blocks (2) are arranged at equal intervals.