CN106862973B

CN106862973B - Conversion knife handle

Info

Publication number: CN106862973B
Application number: CN201710248736.4A
Authority: CN
Inventors: 张恒达; 张武超
Original assignee: Shandong Jinjie Machinery Co ltd
Current assignee: Shandong Jinjie Machinery Co ltd
Priority date: 2017-04-17
Filing date: 2017-04-17
Publication date: 2022-12-09
Anticipated expiration: 2037-04-17
Also published as: CN106862973A

Abstract

The invention discloses a conversion knife handle which comprises a knife handle body, wherein a through hole is formed in one side of the knife handle body, a transmission rod is fixed in the through hole, a double-threaded rod is arranged at the rod head of the transmission rod, the rod head of the transmission rod is fixed in the double-threaded rod, left-handed threads and right-handed threads are respectively arranged at two ends of the double-threaded rod, a first tensioning block and a second tensioning block are respectively sleeved at two ends of the double-threaded rod through threads, a supporting rod is further fixed between the first tensioning block and the second tensioning block, an HSK knife handle is arranged on one side of the supporting rod and connected with the knife handle body, a jacking pin is fixed between the supporting rod and the first tensioning block, a pressing head of the jacking pin penetrates through the supporting rod to be connected with the HSK knife handle, the conversion knife handle is arranged, a BT interface machine tool can be installed and used with the HSK knife handle to achieve a high-precision conversion effect, and the installation and the tensioning operation and the mounting and dismounting operation are safer and more reliable by adopting a double-screw-rod ejection structure.

Description

Conversion knife handle

Technical Field

The invention relates to a conversion knife handle.

Background

The traditional BT interface machine tool can only be provided with a BT tool handle, so that the BT tool handle is limited to be used by the machine tool. The BT cutter handle is a Japanese standard, and has better high-speed stability. The HSK tool holder is a German standard, has six standards and regulations, can be elastically deformed, is in contact with a 1. In the in-service use, the limitation often can appear in the BT handle of a knife, if can install HSK handle of a knife on several mouthfuls of lathe of BT, can improve the efficiency in mill.

Disclosure of Invention

The invention provides a conversion knife handle, which solves the problem that a BT interface machine tool only can be provided with a BT knife handle, and the BT knife handle is often limited in practical use.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention discloses a conversion knife handle which comprises a knife handle body, wherein a through hole is formed in one side of the knife handle body, a transmission rod is fixed in the through hole, a double-threaded rod is arranged at the rod head of the transmission rod, the rod head of the transmission rod is fixed in the double-threaded rod, left-handed threads and right-handed threads are respectively arranged at two ends of the double-threaded rod, a first tensioning block and a second tensioning block are respectively sleeved at two ends of the double-threaded rod through threads, a supporting rod is further fixed between the first tensioning block and the second tensioning block, an HSK knife handle is arranged on one side of the supporting rod, the HSK knife handle is connected with the knife handle body, a jacking pin is fixed between the supporting rod and the first tensioning block, and a pressure head of the jacking pin penetrates through the supporting rod to be connected with the HSK knife handle.

As a preferable technical scheme, a cavity is formed in the connecting end of the HSK knife handle and the knife handle body, and one end of the supporting rod and one end of the ejector pin are both arranged in the cavity.

As a preferable technical scheme of the invention, the connecting surface of the transmission rod and the knife handle body is provided with a plurality of steel wire check rings.

As a preferable technical scheme of the invention, the connectors of the first tensioning block and the second tensioning block are symmetrically arranged.

As a preferred technical scheme, the inside of the knife handle body is provided with a clamping groove, the supporting rod is provided with a clamping head, and the clamping head of the supporting rod is fixed in the clamping groove of the knife handle body.

The invention has the advantages that; through setting up this conversion handle of a knife, make BT interface lathe can install and use the HSK handle of a knife, play high accuracy converting action, and adopt double screw structure and inclined plane ejecting structure to install and tear down safer, reliable when the sword operation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a block diagram of the locking state of a conversion tool holder of the present invention;

FIG. 2 is a block diagram of the present invention illustrating the unclamped state of the tool shank;

in the figure: 1. a tool shank body; 2. a support bar; 3. a steel wire retainer ring; 4. a transmission rod; 5. a first tensioning block; 6. a knock pin; 7. an HSK knife handle; 8. a second tensioning block; 9. a double-ended screw.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-2, the conversion knife handle comprises a knife handle body 1, a through hole is formed in one side of the knife handle body 1, a transmission rod 4 is fixed in the through hole, a double-headed screw 9 is arranged at a rod head of the transmission rod 4, the rod head of the transmission rod 4 is fixed in the double-headed screw 9, left-handed threads and right-handed threads are respectively arranged at two ends of the double-headed screw 9, a first tensioning block 5 and a second tensioning block 8 are respectively sleeved at two ends of the double-headed screw 9 through threads, a support rod 2 is further fixed between the first tensioning block 5 and the second tensioning block 8, an HSK knife handle 7 is arranged on one side of the support rod 2, the HSK knife handle 7 is connected with the knife handle body 1, a knock pin 6 is fixed between the support rod 2 and the first tensioning block 5, and a pressure head of the knock pin 6 penetrates through the support rod 2 to be connected with the HSK knife handle 7.

The inside cavity that is provided with of the link of HSK handle of a knife 7 and handle of a knife body 1, and the one end of bracing piece 2 and knock pin 6 all sets up in this cavity.

The connecting surface of the transmission rod 4 and the knife handle body 1 is provided with a plurality of steel wire retainer rings 3.

The connectors of the first tensioning block 5 and the second tensioning block 8 are symmetrically arranged.

The inside of handle of a knife body 1 is provided with the draw-in groove, is provided with the dop on the bracing piece 2, and the dop of bracing piece 2 is fixed in the draw-in groove of handle of a knife body 1.

Specifically, when the tool is used, the HSK tool shank with the corresponding type is arranged in the tool shank body 1, then the transmission rod 4 is rotated by the hexagon socket wrench, the transmission rod 4 drives the double-threaded screw 9 to rotate, the two ends of the double-threaded screw 9 are respectively provided with left-handed threads and right-handed threads, the first tensioning block 5 and the second tensioning block 8 can be driven to respectively rotate leftwards and rightwards, when the double-threaded screw 9 rotates, the first tensioning block 5 and the second tensioning block 8 are outwards stretched, and the inner bevel of the tool shank body 1 and the inner bevel of the HSK tool shank 7 are passed through

The HSK knife handle 7 is fastened, and the end face of the knife handle body 1 is in a contact state with the flange end face of the HSK knife handle 7, so that the overall rigidity and accuracy of the knife handle are improved; when the transmission rod 4 rotates reversely, the first tensioning block 5 and the second tensioning block 8 contract, and meanwhile, the inclined surface on the first tensioning block 5 pushes the ejector pin 6 to eject the HSK knife handle 7, so that the structure is beneficial to detachment of the knife handle.

This kind of conversion handle of a knife makes BT interface lathe can install and use HSK handle of a knife 7, plays high accuracy converting action, and adopts double screw structure and inclined plane ejecting structure safer, reliable when installing and tearing open the sword operation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A conversion knife handle comprises a knife handle body (1) and is characterized in that a through hole is formed in one side of the knife handle body (1), a transmission rod (4) is fixed in the through hole, a double-threaded screw (9) is arranged at the rod head of the transmission rod (4), the rod head of the transmission rod (4) is fixed in the double-threaded screw (9), left-handed threads and right-handed threads are respectively arranged at two ends of the double-threaded screw (9), a first tensioning block (5) and a second tensioning block (8) are respectively sleeved at two ends of the double-threaded screw (9) through threads, a supporting rod (2) is further fixed between the first tensioning block (5) and the second tensioning block (8), an HSK knife handle (7) is arranged on one side of the supporting rod (2), the HSK knife handle (7) is connected with the knife handle body (1), a jacking pin (6) is fixed between the supporting rod (2) and the first tensioning block (5), and a pressure head of the jacking pin (6) penetrates through the supporting rod (2) to be connected with the HSK knife handle (7); the connectors of the first tensioning block (5) and the second tensioning block (8) are symmetrically arranged; the HSK knife handle is arranged in the knife handle body (1) in a corresponding mode, then the transmission rod (4) is rotated by using an inner hexagonal wrench, the transmission rod (4) drives the double-threaded screw (9) to rotate, the two ends of the double-threaded screw (9) are respectively provided with left-handed threads and right-handed threads, the first tensioning block (5) and the second tensioning block (8) can be driven to respectively rotate leftwards and rightwards, when the double-threaded screw (9) rotates, the first tensioning block (5) and the second tensioning block (8) are outwards unfolded, the HSK knife handle (7) is fastened through the inclined plane in the knife handle body (1) and the inner inclined plane of the HSK knife handle (7), and the end face of the knife handle body (1) and the flange end face of the HSK knife handle (7) are in a contact state, so that the overall rigidity and accuracy of the knife handle are improved; when the transmission rod (4) rotates reversely, the first tensioning block (5) and the second tensioning block (8) are contracted, and meanwhile, the inclined surface on the first tensioning block (5) pushes the ejector pin (6) to eject the HSK knife handle (7), so that the structure is beneficial to detachment of the knife handle.

2. The conversion knife handle according to claim 1, characterized in that a cavity is arranged inside the connecting end of the HSK knife handle (7) and the knife handle body (1), and one end of the support rod (2) and one end of the knock pin (6) are both arranged in the cavity.

3. A conversion knife handle according to claim 1, characterized in that the connecting surface of the transmission rod (4) and the knife handle body (1) is provided with a plurality of wire retainer rings (3).

4. The conversion knife handle according to claim 1, characterized in that a clamping groove is formed in the interior of the knife handle body (1), a clamping head is arranged on the support rod (2), and the clamping head of the support rod (2) is fixed in the clamping groove of the knife handle body (1).