Automatic clamping structure of numerical control lathe tool

Abstract

The utility model discloses an automatic clamping structure of a numerical control lathe cutter, which comprises a clamping structure and a cutter piece, the clamping structure comprises an outer shell, an insertion groove matched with the cutter piece is arranged in the outer shell, clamping claws are hinged to the periphery of the outer shell, the rear ends of the clamping claws extend into the insertion groove, and a supporting base is arranged at the rear end in the insertion groove. An elastic seat is elastically arranged on the front side of the supporting base, an elastic positioning structure matched with the cutter piece is arranged at the top of the outer shell, the cutter piece comprises a rear-end inserting rod, a middle-end prismatic table end and a front-end cutter end, and a positioning hole matched with the elastic positioning structure is formed in the top of the inserting rod. Compared with the prior art, the cutting tool has the advantages that cutting tool operation is carried out through the cutting tool part, meanwhile, the cutting tool part is inserted into the clamping structure, the cutting tool part can be stably clamped through the clamping claws, meanwhile, elastic positioning is conveniently carried out through the elastic positioning structure, and the working efficiency is improved. And meanwhile, the rear-end elastic seat is used for quickly popping up and disassembling.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control lathe auxiliary structure technical field, specifically point to a numerical control lathe tool automatic clamping structure. BACKGROUND

[0002] Numerical control lathe is one of numerical control machine tools that uses more widely, it is mainly used for the inner and outer cylindrical surface of shaft parts or disc parts, the inner and outer conical surface of arbitrary taper angle, complicated rotary inner and outer curved surface and cylindrical, conical thread etc.

[0003] In the use process of numerical control lathe, tool replacement is often needed, and the tool in the prior art is generally clamped, but the clamping is often connected by extension, screw thread etc., which is not convenient when disassembling. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem that the utility model provides a numerical control lathe tool automatic clamping structure aiming at the deficiency in the above background art.

[0005] In order to solve the above technical problem, the technical scheme provided by the utility model is as follows: a numerical control lathe tool automatic clamping structure, including clamping structure and tool connecting piece, the clamping structure includes the shell body, the shell body is equipped with the insertion slot matched with the tool connecting piece, the shell body is hinged with the clamping claw around, the clamping claw rear end extends to the insertion slot and is arranged, the rear end of the insertion slot is equipped with the support base, the support base is elastically provided with the elastic seat in front side, the shell body top is connected with the elastic positioning structure matched with the tool connecting piece;

[0006] The tool connecting piece includes the insertion rod matched with the elastic seat and the elastic positioning structure in the rear end, the prismatic end matched with the clamping claw in the middle end and the tool connecting end in the front end, and the insertion rod top is equipped with the positioning hole matched with the elastic positioning structure.

[0007] Further, the support base is equipped with the limiting cavity, the elastic seat is connected with the first limiting plate in the limiting cavity, and the first spring is connected with the first limiting plate rear end, so that the elastic seat can be provided with elastic operation.

[0008] Further, the elastic seat front end is equipped with the multi-edge positioning slot, and the insertion rod rear end is connected with the multi-edge positioning plug matched with the multi-edge positioning slot, so that the positioning insertion operation is facilitated.

[0009] Further, the outer shell top is provided with a limiting elastic cavity matched with the elastic positioning structure, the second limiting plate is slidingly arranged in the limiting elastic cavity, the positioning rod extending to the outside matched with the positioning hole is connected to the bottom of the second limiting plate, the external pull rod is connected to the top of the second limiting plate, the second spring is arranged on the top of the second limiting plate in the limiting elastic cavity, and the second spring is wrapped around the pull rod, so that the elastic positioning structure can be elastically inserted and positioned and disassembled.

[0010] Further, the pull rod top extends to the outside and is connected with the pull handle, so as to facilitate the pull-out operation of the pull rod.

[0011] Compared with the prior art, the numerical control lathe tool automatic clamping structure has the advantages that: the tool connecting piece is used for tool connecting operation, the tool connecting piece is inserted into the clamping structure, the tool connecting piece can be stably clamped by the clamping claw, the elastic positioning structure is convenient for elastic positioning, and the rear end elastic seat is convenient for rapid elastic disassembly, so that the simple and efficient tool disassembly can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structure schematic view of a numerical control lathe tool automatic clamping structure.

[0013] Figure 2 It is a clamping structure side sectional view structure schematic view of a numerical control lathe tool automatic clamping structure.

[0014] Figure 3 It is Figure 2 A structure schematic view of the part A in the figure.

[0015] As shown in the figure: 1, clamping structure; 2, tool connecting piece; 3, outer shell; 4, insertion groove; 5, clamping claw; 6, support base; 7, elastic seat; 8, limiting cavity; 9, first limiting plate; 10, first spring; 11, insertion rod; 12, prismatic end; 13, tool connecting end; 14, multi-edge positioning plug; 15, multi-edge positioning slot; 16, elastic positioning structure; 17, positioning hole; 18, limiting elastic cavity; 19, second limiting plate; 20, positioning rod; 21, second spring; 22, pull rod; 23, pull handle. DETAILED DESCRIPTION

[0016] The utility model makes further detailed description in combination with the drawings.

[0017] In combination with the drawings Figures 1-3A numerical control lathe tool automatic clamping structure, including clamping structure 1 and tool connecting piece 2, the tool connecting piece 2 includes rear end insertion rod 11, middle end prismatic end 12 and front end tool connecting end 13, the tool connecting end 13 of tool connecting piece 2 can be externally fixed tool by bolt, tool connecting piece 2 is fixedly connected tool, then is directly inserted into clamping structure 1, so that the high efficiency and simplicity of tool disassembly and clamping can be guaranteed, the clamping structure 1 includes outer shell 3, the outer shell 3 is equipped with the insertion slot 4 matched with tool connecting piece 2, the outer shell 3 is hingedly provided with clamping claw 5 around, the clamping claw 5 rear end extends to the insertion slot 4 inside setting, the insertion slot 4 inside rear end is equipped with support base 6, the support base 6 front side is elastically provided with elastic seat 7, the support base 6 is equipped with limiting cavity 8, the elastic seat 7 extends to the limiting cavity 8 inside connection and is equipped with first limiting plate 9, the first limiting plate 9 rear end is equipped with first spring 10, the prismatic end 12 is matched with clamping claw 5 setting, namely by tool connecting piece 2 insertion insertion slot 4 inside, then tool connecting piece 2 rear end contacts elastic seat 7, continues to press inwards, then the prismatic end 12 of tool connecting piece 2 contacts the rear end of clamping claw 5, after, by prismatic end 12 inclined surface setting, simultaneously matched with the hinge setting of clamping claw 5, can make the clamping claw 5 front end move to the middle and grab tool connecting piece 2 tool connecting end 13, after tool connecting piece 2 is pressed in place, by the clamping claw 5 around, tool connecting piece 2 can be stably pressed.

[0018] The elastic seat 7 front end is equipped with multiple edge positioning slot 15, the insertion rod 11 rear end is equipped with multiple edge positioning plug 14 matched with multiple edge positioning slot 15, sets up multiple edge positioning slot 15 and multiple edge positioning plug 14, can guarantee the center positioning insertion of tool connecting piece 2 when inserting, prevents the occurrence of deviation.

[0019] The elastic positioning structure 16 on the top of the outer shell 3 is connected with the tool connecting piece 2, the insertion rod 11 is matched with the elastic seat 7 and the elastic positioning structure 16, the top of the insertion rod 11 is provided with a positioning hole 17 matched with the elastic positioning structure 16, the inner top of the outer shell 3 is provided with a limiting elastic cavity 18 matched with the elastic positioning structure 16, the second limiting plate 19 is slidingly arranged in the limiting elastic cavity 18, the bottom of the second limiting plate 19 is connected with a positioning rod 20 extending to the outside and matched with the positioning hole 17, the top of the second limiting plate 19 is connected with an external pull rod 22, the second spring 21 is arranged in the limiting elastic cavity 18 and wrapped around the pull rod 22, the top of the pull rod 22 extends to the outside and is connected with a pulling handle 23, when actually pressing in, the positioning rod 20 is pulled up through the pulling handle 23 and the pull rod 22, when the tool connecting piece 2 is preliminarily pressed in, the pulling handle 23 and the pull rod 22 are released, then the tool connecting piece 2 is continuously pressed in, when the tool connecting piece 2 is pressed in, the positioning rod 20 is inserted into the positioning hole 17 through the positioning rod 20 at the bottom of the elastic positioning structure 16 and the second spring 21, so that the fixing and positioning work is provided, at the same time, the front clamping jaw 5 synchronously clamps the tool connecting end 13, when the tool needs to be removed and replaced, the elastic positioning structure 16 can be pulled out, if the tool is pressed in too tightly, the elastic positioning structure 16 can be pulled out through the wrench, then when the positioning rod 20 is separated from the positioning hole 17, the tool connecting piece 2 can be pulled out through the elastic seat 7 at the rear end, so that the tool can be conveniently taken out, and the automatic convenience of the tool in the numerical control machine tool can be ensured.

[0020] The above describes the present application and its embodiments, which are not limited, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired by the above description, without departing from the creative purpose of the present application, similar structural modes and embodiments can be designed without creativity, which should belong to the protection scope of the present application.

Claims

1. A structure for automatic clamping of a tool in a numerical control lathe, comprising a clamping structure (1) and a tool connecting member (2), characterized in that: The clamping structure (1) includes an outer shell (3), the outer shell (3) is provided with an insertion slot (4) matched with the tool connecting piece (2), the outer shell (3) is hingedly provided with a clamping claw (5) around, the clamping claw (5) extends to the rear end of the insertion slot (4) and is provided, the rear end of the insertion slot (4) is provided with a supporting base (6), the front side of the supporting base (6) is elastically provided with an elastic seat (7), the top of the outer shell (3) is connected with an elastic positioning structure (16) matched with the tool connecting piece (2). The tool connecting piece (2) includes an insertion rod (11) matched with the elastic seat (7) and the elastic positioning structure (16), a prismatic end (12) matched with the clamping claw (5) and a front tool connecting end (13), the top of the insertion rod (11) is provided with a positioning hole (17) matched with the elastic positioning structure (16).

2. The automatic tool clamping structure of a numerical control lathe according to claim 1, characterized in that: The supporting base (6) is provided with a limiting cavity (8), the elastic seat (7) extends into the limiting cavity (8) and is connected with a first limiting plate (9), the rear end of the first limiting plate (9) is connected with a first spring (10).

3. The automatic tool clamping structure of a numerically controlled lathe according to claim 1, characterized in that: The front end of the elastic seat (7) is provided with a multi-edge positioning slot (15), the rear end of the insertion rod (11) is connected with a multi-edge positioning plug (14) matched with the multi-edge positioning slot (15).

4. The automatic tool clamping structure of a numerically controlled lathe according to claim 1, characterized in that: The top of the outer shell (3) is provided with a limiting elastic cavity (18) matched with the elastic positioning structure (16), the limiting elastic cavity (18) is provided with a second limiting plate (19) slidingly limited therein, the bottom of the second limiting plate (19) is connected with a positioning rod (20) extending to the outside matched with the positioning hole (17), the top of the second limiting plate (19) is connected with an external pull rod (22), the top of the second limiting plate (19) is connected with a second spring (21) in the limiting elastic cavity (18), and the second spring (21) is wrapped around the pull rod (22).

5. The automatic tool clamping structure of a numerically controlled lathe according to claim 4, characterized in that: The top of the pull rod (22) extends to the outside and is connected with a pulling handle (23).

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