Knife handle interface structure capable of easily replacing different types of knife handles

Abstract

The utility model discloses a structure capable of easily replacing different types of knife handle interfaces, which relates to the technical field of machining knives and comprises a shaft body, a stepped hole is arranged in the shaft body, a pull rod is mounted in the stepped hole, the knife handle interfaces are fixedly connected onto the shaft body through a plurality of screws, and the knife handle interfaces are connected with a broach component. When the knife handle connector is a 7: 24 knife handle connector, the broach component comprises a connecting sleeve, a BT locking jackscrew and a BT pull claw, and when the knife handle connector is a 1: 10 knife handle connector, the pull rod is further in threaded connection with a switching rod, and the switching rod is connected with the broach component. According to the connecting mode of the cutter handle connector and the shaft body, the cutter handle connector can be conveniently replaced on the same shaft body, cutter handle connectors of different types can be replaced, the machining difficulty can be simplified, the universality of the shaft body can be improved, scale benefits can be provided, and meanwhile better maintenance performance can be supported.

Description

Technical Field

[0001] The utility model relates to the technical field of machining tools, in particular to a tool holder interface structure that is easy to replace different types. Background Technique

[0002] The tool holder interface of the tool shaft is usually designed integrally with the shaft body to achieve a compact design effect. However, the tool holder interface belongs to a vulnerable part. If the integrally designed shaft cannot be repaired when the tool holder interface is damaged, the entire shaft needs to be replaced, resulting in difficult maintenance. Therefore, there are also some shafts with a split design of the shaft body and the tool holder interface, but this method is for specific tool holder interfaces and has limitations in use. For this reason, the present utility model proposes a tool holder interface structure that is easy to replace different types. Content of the Utility Model

[0003] Technical Problem to be Solved

[0004] The purpose of the present utility model is to make up for the deficiencies of the prior art and provide a tool holder interface structure that is easy to replace different types.

[0005] Technical Solution

[0006] To achieve the above purpose, the present utility model provides the following technical solution: A tool holder interface structure that is easy to replace different types, including a shaft body. A stepped hole is provided inside the shaft body. A pull rod and tool holder interfaces of different specifications are installed in the stepped hole. The tool holder interfaces are fixedly connected to the shaft body by a plurality of screws. A broaching component is installed at the tool holder interface. A connection method of the tool holder interface and the shaft body proposed by the present utility model realizes convenient replacement of the tool holder interface on the same shaft body, supports replacement of different types of tool holder interfaces, can simplify the machining difficulty, improve the versatility of the shaft body, provide economies of scale, and also support better maintenance performance.

[0007] Preferably, the tool holder interface is a 7:24 tool holder interface or a 1:10 tool holder interface.

[0008] Preferably, when the tool holder interface is a 7:24 tool holder interface, the broaching component includes a connecting sleeve, a BT locking screw, and a BT pull claw.

[0009] Preferably, the broaching component is used to clamp a 7:24 tool holder of the corresponding standard.

[0010] Preferably, when the tool holder interface is a 1:10 tool holder interface, a transfer rod is also threadedly connected to the pull rod, and the transfer rod is connected to the broaching component. The broaching component includes a spacer sleeve, an HSK pull claw, an HSK locking screw, and a tensioning core.

[0011] Preferably, the broaching component is used to clamp a 1:10 tool holder of the corresponding standard.

[0012] Beneficial effects:

[0013] Compared with the prior art, the tool holder interface structure that is easy to replace different types has the following beneficial effects:

[0014] A connection method between the tool holder interface and the shaft body proposed by the present utility model realizes convenient replacement of the tool holder interface on the same shaft body, supports replacement of different types of tool holder interfaces, can simplify the processing difficulty, improve the versatility of the shaft body, provide economies of scale, and also support better maintenance performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0016] Figure 1 It is a schematic structural diagram of the present utility model;

[0017] Figure 2 It is a schematic structural diagram of the present utility model when installing a 7:24 tool holder interface;

[0018] Figure 3 It is a schematic structural diagram of the present utility model when installing a 1:10 tool holder interface;

[0019] Figure 4 It is a schematic structural diagram of the present utility model when installing a broach on the 7:24 tool holder interface;

[0020] Figure 5 It is a schematic structural diagram of the present utility model when installing a broach on the 1:10 tool holder interface.

[0021] In the figure:

[0022] 1, shaft body; 2, pull rod; 3, 7:24 tool holder interface; 4, 1:10 tool holder interface; 5, adapter rod; 6, screw; 7, connecting sleeve; 8, BT locking set screw; 9, BT broach holder; 10, 7:24 tool holder; 11, spacer sleeve; 12, HSK broach holder; 13, HSK locking set screw; 14, tension core; 15, 1:10 tool holder. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. 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 protection scope of the present utility model.

[0024] Please refer to Figure 1 As shown, the present utility model provides a technical solution: an interface structure of a tool holder that is easy to replace different types, including a shaft body 1. A stepped hole is provided inside the shaft body 1. A pull rod 2 and tool holder interfaces of different specifications are installed in the stepped hole. The tool holder interfaces are fixedly connected to the shaft body 1 through a plurality of screws 6. A broaching component is installed at the tool holder interface. A connection method between the tool holder interface and the shaft body proposed by the present utility model realizes the convenient replacement of the tool holder interface on the same shaft body and supports the replacement of different types of tool holder interfaces, which can simplify the processing difficulty, improve the versatility of the shaft body, provide economies of scale, and also support better maintenance performance.

[0025] The tool holder interface in this application is a 7:24 tool holder interface 3 or a 1:10 tool holder interface 4.

[0026] Please refer specifically to Figure 2 For one embodiment of this application, the tool holder interface in this embodiment is a 7:24 tool holder interface 3. The 7:24 taper sleeve 3 is fixedly connected to the shaft body 1 through a plurality of screws 6, making the entire shaft assembly have a 7:24 tool holder interface. As Figure 4 shown, continue to install the broaching component of the 7:24 tool holder on the basis of Figure 2 , including a connection sleeve 7, a BT locking set screw 8, and a BT pull claw 9, to form a complete 7:24 tool holder interface, which can clamp a corresponding standard 7:24 tool holder 10.

[0027] Please refer specifically to Figure 3 For another embodiment of this application, the tool holder interface in this embodiment is a 1:10 tool holder interface 4. The 1:10 taper sleeve 4 is fixedly connected to the shaft body 1 through a plurality of screws 6, making the entire shaft assembly have a 1:10 tool holder interface. The adapter rod 5 is fixedly connected to the pull rod 2 through a threaded connection for connecting the broaching component. As Figure 5 shown, continue to install the broaching component of the 1:10 tool holder on the basis of Figure 3 , including a spacer sleeve 11, an HSK pull claw 12, an HSK locking set screw 13, and a tensioning core 14, to form a complete 1:10 tool holder interface, which can clamp a corresponding standard 1:10 tool holder 15.

[0028] Working principle: A connection method between a tool holder interface and a shaft body proposed by the present utility model realizes convenient replacement of the tool holder interface on the same shaft body, supports the replacement of different types of tool holder interfaces, can simplify the processing difficulty, improve the versatility of the shaft body, provide economies of scale, and also support better maintenance performance.

[0029] It should be noted that in this article, both BT and HSK are common types of tool holders. Among them, the BT series (long taper) and the HSK series (short taper, notch, set screw). Relative terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0030] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A tool handle interface structure that is easy to replace with different types of tool handles, comprising a shaft body (1), characterized in that: A stepped hole is provided inside the shaft body (1), a pull rod (2) and tool handle interfaces of different specifications are installed in the stepped hole, and the tool handle interface is fixedly connected to the shaft body (1) via a plurality of screws (6).

2. The tool handle interface structure that is easy to replace different types of tool handles according to claim 1, characterized in that: Also included are broach components.

3. The tool handle interface structure that is easy to replace different types of tool handles according to claim 2, characterized in that: The broach component comprises a connecting sleeve (7), a BT locking top screw (8) and a BT pulling claw (9).

4. The tool handle interface structure that is easy to replace different types of tool handles according to claim 2, characterized in that: The broach component comprises a spacer sleeve (11), an HSK broach claw (12), an HSK locking top screw (13) and a tensioning core (14).

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