Novel knife handle quick-change connector

Abstract

The utility model provides a novel knife handle quick-change connector which comprises a male head, and a locking mechanism capable of stretching out and drawing back relatively is arranged in the male head in the radial direction. The locking mechanism comprises a locking screw and a locking nut which are in threaded connection; the end, away from the locking nut, of the locking screw is provided with a butt joint opening used for operation. The female head is provided with a matched plug hole corresponding to the male head; two sides of the plugging hole are provided with matched first butt joint holes corresponding to the locking screws, and are provided with matched second butt joint holes corresponding to the locking nuts; the first butt joint hole is a through hole and is used for operating the locking screw. According to the technical scheme provided by the embodiment of the invention, the male head and the female head can be quickly butted by arranging the plugging hole in the female head; meanwhile, the male head is further provided with a locking mechanism capable of relatively stretching out and drawing back in the radial direction, rapid positioning between the male head and the female head can be effectively achieved in cooperation with the first butt joint hole and the second butt joint hole in the two sides of the inserting hole in the female head, and therefore rapid assembling between the male head and the female head is achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of machining, in particular to a novel quick-change interface of a tool holder. BACKGROUND

[0002] With the development of manufacturing industry, the demand for efficient and high-precision machining is increasing. The traditional tool holder replacement method has been unable to meet the needs of modern manufacturing industry, so it is inevitable to develop a quick-change interface. The development of the quick-change interface of the tool holder is mainly to solve the problem of long time consumption in the traditional tool holder replacement process. By quickly replacing the tool holder, the setting time can be significantly shortened, the product efficiency can be improved, and the production cost can be reduced. In terms of technological innovation, enterprises at home and abroad are constantly developing new tool holder quick-change technologies, which shows that technological innovation and patent protection play an important role in the development of the quick-change interface of the tool holder. In summary, the problem of the quick-change of the tool holder needs to be solved urgently. SUMMARY

[0003] In view of the above defects or deficiencies in the prior art, it is desirable to provide a novel quick-change interface of a tool holder.

[0004] The application provides a novel quick-change interface of a tool holder, which comprises

[0005] a male head, an internally radially arranged locking mechanism being relatively telescopic;

[0006] The locking mechanism comprises a locking screw and a locking nut in threaded connection;

[0007] The end of the locking screw away from the locking nut is provided with a mating interface for operation;

[0008] a female head, a matching plug-in hole corresponding to the male head being arranged on the female head;

[0009] The two sides of the plug-in hole are provided with a matching first counter-bore corresponding to the locking screw and a matching second counter-bore corresponding to the locking nut;

[0010] The first counter-bore is a through hole for operating the locking screw.

[0011] Further,

[0012] The end of the male head close to the female head is further provided with a coaxial limiting hole;

[0013] A limiting pin is arranged in the limiting hole corresponding to the locking nut for limiting the relative rotation of the locking nut;

[0014] The limiting pin and the limiting hole are plug-in mounted, and a limiting plane is arranged at the end close to the female head.

[0015] Further,

[0016] The male head is provided with a mounting hole corresponding to the locking mechanism;

[0017] The mounting hole is a through hole extending along the radial direction of the male head and communicating with the limiting hole.

[0018] Further,

[0019] The locking screw and the locking nut are further respectively provided with an O-ring.

[0020] The locking screw and the locking nut are respectively provided with a matching mounting groove corresponding to the O-ring in the circumferential direction.

[0021] Further,

[0022] The locking nut is provided with a matching abutting plane corresponding to the limiting plane.

[0023] The abutting plane is located on the outer ring of the locking nut and on the side of the O-ring close to the locking screw.

[0024] The abutting plane located between the end close to the O-ring and the locking nut forms a limiting ridge for limiting the movement of the locking nut towards the side close to the locking screw.

[0025] Further,

[0026] The end of the second abutting hole away from the first abutting hole is a closed structure for positioning the end face of the locking nut.

[0027] Further,

[0028] The first abutting hole is a stepped hole with a relatively smaller diameter at the end away from the second abutting hole for positioning the end face of the locking screw.

[0029] Further,

[0030] The diameter of the end of the first abutting hole away from the second abutting hole is relatively larger than the diameter of the abutting hole.

[0031] The present application has the advantages and positive effects of:

[0032] The present technical solution sets the plug-in hole on the female head, so that the male head can be quickly connected with the female head. At the same time, the male head is provided with a locking mechanism that can be relatively expanded and contracted in the radial direction, and the first abutting hole and the second abutting hole on both sides of the plug-in hole on the female head can effectively realize the quick positioning between the male head and the female head, thereby realizing the quick assembly between the male head and the female head. BRIEF DESCRIPTION OF DRAWINGS

[0033] Fig. 1A structure diagram of a new tool holder quick-change interface provided by the embodiment of the present application is shown in the figure.

[0034] Fig. 2 A structure diagram of a cross-sectional view of a new tool holder quick-change interface provided by the embodiment of the present application is shown in the figure.

[0035] Fig. 3 A structure diagram of a mounting hole of a new tool holder quick-change interface provided by the embodiment of the present application is shown in the figure.

[0036] The text annotations in the figure represent: 100-male; 110-locking screw; 120-locking nut; 130-limiting hole; 131-limiting pin; 140-mounting hole; 150-O-ring; 200-female; 210-insertion hole; 220-first counter-bore; 230-second counter-bore. DETAILED DESCRIPTION

[0037] In order for those skilled in the art to better understand the technical solutions of the present application, the present application will be described in detail below with reference to the accompanying drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present application.

[0038] Please refer to Figs. 1-3 The embodiment provides a new tool holder quick-change interface, which comprises a male 100, a locking mechanism arranged radially inside the male 100 and capable of relative expansion and contraction; the locking mechanism comprises a locking screw 110 and a locking nut 120 connected by threads; the locking screw 110 is provided with a counter-interface for operation at an end away from the locking nut 120; a female 200, the female 200 is provided with a matching insertion hole 210 corresponding to the male 100; the two sides of the insertion hole 210 are provided with a matching first counter-bore 220 corresponding to the locking screw 110 and a matching second counter-bore 230 corresponding to the locking nut 120; the first counter-bore 220 is a through hole for operating the locking screw 110.

[0039] In the embodiment, the male 100 is in a stepped shape, and the end close to the female 200 has a relatively small diameter; the female 200 is provided with a matching insertion hole corresponding to the end of the male 100 with a relatively small diameter, so that the male 100 and the female 200 can be quickly inserted and connected.

[0040] In the embodiment, the locking mechanism comprises a locking screw 110 and a locking nut 120 connected by threads; the extension direction of the locking screw 110 is perpendicular to the extension direction of the male 100, and the locking screw 110 and the locking nut 120 are connected by rotation, so that the locking screw 110 can be completely retracted into the male 100 or extended to the outside of the male 100, thereby being positioned and clamped with the female 200.

[0041] In the embodiment, the female head 200 is provided with a matching first butt joint hole 220 corresponding to the locking screw 110 at one side of the insertion hole 210; and the cross section of the first butt joint hole 220 matches the cross section structure of the end of the locking screw 110, thereby forming a positioning butt joint.

[0042] In the embodiment, the female head 200 is provided with a matching second butt joint hole 220 corresponding to the locking nut 120 at the end of the insertion hole 210 away from the first butt joint hole 220; the cross section of the second butt joint hole 220 matches the cross section structure of the locking nut 120, thereby forming a positioning butt joint.

[0043] In the embodiment, the first butt joint hole 220 is a through hole, thereby forming positioning between the locking screw 110 and ensuring that the locking screw 110 can be operated outside the female head 200 by a tool.

[0044] In a preferred embodiment, the male head 100 is further provided with a coaxial limiting hole 130 at one end close to the female head 200; a limiting pin 131 for limiting relative rotation of the locking nut 120 is arranged in the limiting hole 130 corresponding to the locking nut 120; the limiting pin 131 is inserted and pulled out of the limiting hole 130, and a limiting flat surface is arranged at one end close to the female head 200.

[0045] In the embodiment, the male head 100 is provided with a coaxial limiting hole 130 inside; one end of the limiting hole 130 close to the female head 200 is an open structure, and the other end is a closed structure; the limiting pin 131 is inserted and pulled out of the limiting hole 130, and is arranged at one side of the locking mechanism away from the female head 200, for limiting relative rotation of the locking female head 200.

[0046] In the embodiment, one end of the limiting pin 131 close to the female head is a flat surface, for abutting against the locking nut 120, thereby forming limiting.

[0047] In a preferred embodiment, the male head 100 is provided with a mounting hole 140 corresponding to the locking mechanism; the mounting hole 140 is a through hole, extends along the radial direction of the male head 100, and communicates with the limiting hole 130.

[0048] In the embodiment, the mounting hole 140 is a through hole, thereby enabling the locking mechanism to be completely retracted into the male head 100, or to extend to the outside of the male head 100, thereby forming positioning with the female head 200.

[0049] In a preferred embodiment, the locking screw 110 and the locking nut 120 are further respectively provided with an O-ring 150; the locking screw 110 and the locking nut 120 are respectively provided with a matching mounting groove in the circumferential direction corresponding to the O-ring 150.

[0050] In the embodiment, the locking screw 110 and the locking nut 120 are respectively provided with mounting grooves in the circumferential direction; the mounting grooves are provided with O-rings 150; the O-rings 150 abut against the male head 100, thereby preventing the locking mechanism from being separated from the male head 100 through friction.

[0051] In a preferred embodiment, the locking nut 120 is provided with a matching abutting plane corresponding to the limiting plane; the abutting plane is located on the outer ring of the locking nut 120 and is located on the side of the O-ring 150 close to the locking screw 110; the abutting plane is located between the end close to the O-ring 150 and the locking nut 120, and a limiting edge is formed therebetween for limiting the movement of the locking nut 120 to the side close to the locking screw 110.

[0052] In the embodiment, the abutting plane is located on the outer ring of the locking nut 120 and has a relatively lower height than the outer end surface of the locking nut 120; the end of the abutting plane away from the O-ring 150 is along the end of the locking nut 120, and the end close to the O-ring 150 forms a limiting edge with the locking nut 120, thereby ensuring that the locking nut 120 can be completely separated from the male head 100 and limiting the stroke of the movement of the locking nut 120 to the side of the locking screw 110.

[0053] In a preferred embodiment, the end of the second abutting hole 230 away from the first abutting hole 220 is a closed structure for positioning the end surface of the locking nut 120.

[0054] In a preferred embodiment, the first abutting hole 220 is a stepped hole, and the end away from the second abutting hole 230 has a relatively smaller diameter for positioning the end surface of the locking screw 110.

[0055] In a preferred embodiment, the diameter of the end of the first abutting hole 220 away from the second abutting hole 230 is relatively larger than the diameter of the abutting hole.

[0056] The principles and implementation manners of the present application are described by using specific examples in the present application, and the above examples are only used to help understand the method and core idea of the present application. The above description is only the preferred embodiment of the present application, and it should be pointed out that due to the limitation of language expression, there are infinite specific structures, and for ordinary skilled persons in the technical field, some improvements, decorations or changes can be made without departing from the principles of the present application, and the above technical features can be combined in an appropriate manner; these improvements, decorations, changes or combinations, or the direct application of the inventive concept and technical scheme to other fields without improvement, shall be regarded as the protection scope of the present application.

Claims

1. A new tool shank quick change interface characterized by, The utility model relates to a new type of quick change interface of tool shank, which comprises a male head (100) and a female head (200). The male head (100) is provided with a lock mechanism inside and radially. The lock mechanism comprises a lock screw (110) and a lock nut (120) connected by threads. The end of the lock screw (110) away from the lock nut (120) is provided with a mating interface for operation. The female head (200) is provided with a matching plug-in hole (210) corresponding to the male head (100). The plug-in hole (210) is provided with a first mating hole (220) corresponding to the lock screw (110) and a second mating hole (230) corresponding to the lock nut (120) on both sides. The first mating hole (220) is a through hole for operating the lock screw (110).

2. The utility model according to claim 1, wherein The end of the male head (100) close to the female head (200) is further provided with a coaxial limiting hole (130). The limiting hole (130) is provided with a limiting pin (131) corresponding to the lock nut (120) for limiting the relative rotation of the lock nut (120). The limiting pin (131) is inserted and pulled between the limiting hole (130) and the limiting plane close to the female head (200).

3. The utility model according to claim 2, wherein The male head (100) is provided with a mounting hole (140) corresponding to the lock mechanism. The mounting hole (140) is a through hole extending along the radial direction of the male head (100) and communicating with the limiting hole (130).

4. The utility model according to claim 3, wherein The lock screw (110) and the lock nut (120) are further respectively provided with an O-ring (150). The lock screw (110) and the lock nut (120) are respectively provided with a matching mounting groove along the circumference corresponding to the O-ring (150).

5. The utility model according to claim 4, wherein The lock nut (120) is provided with a matching mating plane corresponding to the limiting plane. The mating plane is located on the outer ring of the lock nut (120) and on the side of the O-ring (150) close to the lock screw (110). The mating plane between the end close to the O-ring (150) and the lock nut (120) forms a limiting edge for limiting the movement of the lock nut (120) towards the side close to the lock screw (110).

6. The utility model according to claim 1, wherein The end of the second mating hole (230) away from the first mating hole (220) is a closed structure for positioning the end face of the lock nut (120).

7. The utility model according to claim 1, wherein The first interface hole (220) is a stepped hole, the diameter of the end away from the second interface hole (230) is relatively small, and the end face of the locking screw (110) is positioned.

8. The novel quick-change tool holder interface according to claim 7, characterized in that, The diameter of the end of the first interface hole (220) away from the second interface hole (230) is relatively larger than the diameter of the interface.

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