CN210731683U

CN210731683U - Numerical control lathe major axis processing mounting fixture

Info

Publication number: CN210731683U
Application number: CN201921261797.5U
Authority: CN
Inventors: 陈世英
Original assignee: Quanzhou Qingman Forging Development Co ltd
Current assignee: Quanzhou Qingman Forging Development Co ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-06-12
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a numerical control lathe major axis processing mounting fixture, including base and support, the support is located directly over the base, and fixes being equipped with servo motor on the support, and fixed cover is equipped with the one-level gear on the servo motor output shaft, rotates the cover in the support and establishes the pivot. The utility model realizes the integrated rotary motion of the first-stage lead screw and the second-stage lead screw by arranging the servo motor and the rotating shaft on the bracket, vertically arranging the first-stage lead screw and the second-stage lead screw which are integrated into a whole between the bracket and the base and utilizing the meshing transmission between the first-stage gear and the second-stage gear and between the third-stage gear and the fourth-stage gear; and then the primary nut and the secondary nut which are respectively positioned on the primary screw rod and the secondary screw rod drive the primary traction rod and the secondary traction rod which are jointly connected with the clamping plate to perform opening and closing movement, so that the horizontally moving clamping plate automatically clamps and limits the long shaft on the base plate, and the stability of the long shaft on the machine tool is ensured.

Description

Numerical control lathe major axis processing mounting fixture

Technical Field

The utility model relates to a machine tool machining technical field especially relates to a numerical control lathe major axis processing mounting fixture.

Background

Machine tools are machines for manufacturing machines, also called machine tools or machine tools, which are conventionally referred to as machine tools for short. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, pressing, extruding, etc., however, in general, a part requiring high precision and fine surface roughness is finished by cutting on a machine tool.

The machine tool plays an important role in the construction of national economy modernization, the long shaft is used as a common mechanism in various machines and has very wide application, and meanwhile, deep processing of different sizes and degrees is required to be carried out on the long shaft due to application requirement differences. Under the prior art, a long shaft is generally clamped and fixed in advance when a machine tool is used for machining the long shaft, but a traditional machine tool clamping mechanism needs complex and tedious manual operation, so that the operation efficiency is low, the defect of insufficient stability exists, and the long shaft machining quality is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the numerical control machine tool is difficult to realize automatic clamping spacing to the major axis in the prior art, and the numerical control machine tool major axis processing mounting fixture who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fixing clamp for machining a long shaft of a numerical control lathe comprises a base and a support, wherein the support is positioned right above the base, a servo motor is fixedly arranged on the support, a first-stage gear is fixedly sleeved on an output shaft of the servo motor, a rotating shaft is rotatably sleeved in the support, a second-stage gear and two third-stage gears are respectively sleeved on the rotating shaft, the first-stage gear is meshed with the second-stage gear, a first-stage screw rod and a second-stage screw rod are respectively and rotatably connected between the support and two sides of the base, a fourth-stage gear is fixedly sleeved on one end of the first-stage screw rod penetrating through the support, the two fourth-stage gears are respectively meshed with the two third-stage gears, a first-stage nut and a second-stage nut are respectively in threaded connection with the first-stage screw rod and the second-stage screw rod, a first-stage traction rod, the base is fixedly connected with a backing plate.

Preferably, the servo motor is located in the middle of the support, and the rotating shaft is horizontally arranged in the support.

Preferably, the secondary gear is located at the middle end of the rotating shaft, and the two tertiary gears are located at two ends of the rotating shaft respectively.

Preferably, the first-stage gear, the second-stage gear, the third-stage gear and the fourth-stage gear are all bevel gears.

Preferably, the primary screw rod and the secondary screw rod are vertically distributed into an integral structure, and the primary nut and the primary traction rod are positioned right above the secondary nut and the secondary traction rod.

Preferably, the ends, far away from the primary nut and the secondary nut, of the primary traction rod and the secondary traction rod are rotatably connected with one side of the clamping plate, and the base plate is located between the two clamping plates.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses a set up support and base to set up servo motor and pivot respectively on the support, set up the one-level lead screw and the second grade lead screw of a body structure between support and base, establish one-level gear, second grade gear, tertiary gear and level four gear through overlapping respectively on servo motor, pivot and one-level lead screw, utilize the synchronous revolution of one-level gear and second grade gear, tertiary gear and level four gear between the meshing transmission in order to drive one-level lead screw and second grade lead screw.

2. The utility model discloses threaded connection one-level nut and second grade nut respectively on the one-level lead screw that corresponds from top to bottom and second grade lead screw, utilize one-level nut and second grade nut to be connected one-level traction lever and second grade traction lever respectively, rethread one-level traction lever and the common splint of second grade traction lever, utilize the one-level nut and the second grade nut that reciprocate to carry out horizontal migration through one-level traction lever and second grade traction lever drive splint to it is spacing to carry out automatic centre gripping to the major axis of placing on the backing plate.

In summary, the utility model has the advantages that the servo motor and the rotating shaft are arranged on the bracket, the first-stage lead screw and the second-stage lead screw which are integrated are vertically arranged between the bracket and the base, and the integrated rotary motion of the first-stage lead screw and the second-stage lead screw is realized by utilizing the meshing transmission between the first-stage gear and the second-stage gear and between the third-stage gear and the fourth-stage gear; and then the primary nut and the secondary nut which are respectively positioned on the primary screw rod and the secondary screw rod drive the primary traction rod and the secondary traction rod which are jointly connected with the clamping plate to perform opening and closing movement, so that the horizontally moving clamping plate automatically clamps and limits the long shaft on the base plate, and the stability of the long shaft on the machine tool is ensured.

Drawings

Fig. 1 is a schematic structural view of a fixing clamp for machining a long shaft of a numerically controlled lathe according to the present invention;

fig. 2 is the utility model provides a numerical control lathe major axis processing mounting fixture's a partial structure enlargedly.

In the figure: the automatic drawing device comprises a base 1, a support 2, a servo motor 3, a first-stage gear 4, a rotating shaft 5, a second-stage gear 6, a third-stage gear 7, a first-stage screw rod 8, a second-stage screw rod 9, a fourth-stage gear 10, a first-stage nut 11, a second-stage nut 12, a first-stage draw bar 13, a second-stage draw bar 14, a clamping plate 15 and a backing plate 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a fixing clamp for machining a long shaft of a numerical control lathe comprises a base 1 and a support 2, the support 2 is positioned right above the base 1, the base 1 and the support 2 are both fixedly positioned on a machine tool mechanism, a servo motor 3 is fixedly arranged on the support 2, the servo motor 3 can be selected from a motor with the product model of MR-E10A, an output shaft of the servo motor 3 is fixedly sleeved with a primary gear 4, a rotating shaft 5 is rotatably sleeved in the support 2, the rotating shaft 5 is respectively sleeved with a secondary gear 6 and two tertiary gears 7, the primary gear 4 is meshed and connected with the secondary gear 6, a primary screw 8 and a secondary screw 9 are rotatably connected between the support 2 and two sides of the base 1, a quaternary gear 10 is fixedly sleeved on one end of the primary screw 8 penetrating through the support 2, the two quaternary gears 10 are respectively meshed and connected with the two tertiary gears 7, a primary nut 11 and a secondary nut 12 are respectively in threaded connection on the primary screw 8, and the first-stage nut 11 and the second-stage nut 12 are respectively connected with a first-stage traction rod 13 and a second-stage traction rod 14 through pin shafts, the first-stage traction rod 13 and the second-stage traction rod 14 are jointly connected with a clamping plate 15, a backing plate 16 is fixedly connected to the base 1, the backing plate 16 is located in the middle of the base 1, and the upper end of the backing plate 16 is of a V-shaped structure, so that preliminary limiting support is achieved for the long shaft.

Further, bearings are fixedly mounted in the base 1 and the support 2, and two ends of the rotating shaft 5, the first-stage lead screw 8 and the second-stage lead screw 9 are all sleeved in the bearings to provide movable support for the rotating motion of the rotating shaft 5, the first-stage lead screw 8 and the second-stage lead screw 9.

The servo motor 3 is positioned in the middle of the bracket 2, the rotating shaft 5 is horizontally arranged in the bracket 2, and the primary gear 4 corresponds to the secondary gear 6.

The secondary gear 6 is located at the middle end of the rotating shaft 5, the two tertiary gears 7 are respectively located at two ends of the rotating shaft 5, the two tertiary gears 7 respectively correspond to the two quaternary gears 10, and the primary gear 4, the secondary gear 6, the tertiary gears 7 and the quaternary gears 10 are all bevel gears.

The first-stage screw 8 and the second-stage screw 9 are vertically distributed into an integral structure, the first-stage screw 8 and the second-stage screw 9 can integrally rotate through the meshing transmission of the third-stage gear 7 and the fourth-stage gear 10, the first-stage nut 11 and the first-stage traction rod 13 are located right above the second-stage nut 12 and the second-stage traction rod 14, one ends, far away from the first-stage nut 11 and the second-stage nut 12, of the first-stage traction rod 13 and the second-stage traction rod 14 are rotatably connected with one side of the clamping plate 15, and the backing plate 16 is located.

Referring specifically to fig. 2, when the primary 13 and secondary 14 draw bars are oriented vertically, the two cleats 15 are moved away from each other; when the primary traction rod 13 and the secondary traction rod 14 are leveled, the two splints 15 are brought closer to each other. In the process, the distance between the two clamping plates 15 can be limited by the opening and closing degree of the primary traction rod 13 and the secondary traction rod 14, so that the thick and thin long shaft can be clamped and limited.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

the long shaft to be machined is placed smoothly on the backing plate 16.

Open servo motor 3, servo motor 3 output shaft drives one-level gear 4 and rotates, because one-level gear 4 is connected with the meshing of second grade gear 6 for pivot 5 that the cover was located in second grade gear 6 uses support 2 to rotate as the fulcrum, in order to drive two tertiary gear 7 synchronous revolution, because tertiary gear 7 is connected with the meshing of level four gear 10, makes the cover locate the one-level lead screw 8 in level four gear 10 and uses support 2 to rotate as the fulcrum.

Because the primary screw 8 and the secondary screw 9 are of an integral structure, the primary nut 11 and the secondary nut 12 respectively move in opposite directions by taking the primary screw 8 and the secondary screw 9 as guides, in the process, the primary traction rod 13 and the secondary traction rod 14 gradually tend to be horizontal, and drive the clamping plate 15 connected with the primary traction rod and the secondary traction rod to approach to a long shaft on the backing plate 16, and finally, the long shaft is clamped and fixed from two sides.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A numerical control lathe long shaft processing fixing clamp comprises a base (1) and a support (2) and is characterized in that the support (2) is located right above the base (1), a servo motor (3) is fixedly arranged on the support (2), a first-stage gear (4) is fixedly sleeved on an output shaft of the servo motor (3), a rotating shaft (5) is arranged in the support (2) in a rotating manner, a second-stage gear (6) and two third-stage gears (7) are respectively sleeved on the rotating shaft (5), the first-stage gear (4) is meshed with the second-stage gear (6) and is connected with the support (2) and the two sides of the base (1) in a rotating manner, a first-stage screw rod (8) and a second-stage screw rod (9) are connected between the support (2) and the two sides of the base (1) in a rotating manner, a fourth-stage gear (10) is fixedly sleeved on one end of the first-stage screw rod (, the novel steel wire drawing machine is characterized in that a first-stage nut (11) and a second-stage nut (12) are respectively in threaded connection with the first-stage lead screw (8) and the second-stage lead screw (9), a first-stage drawing rod (13) and a second-stage drawing rod (14) are respectively in threaded connection with the first-stage nut (11) and the second-stage nut (12) through pin shafts, a clamping plate (15) is jointly connected with the first-stage drawing rod (13) and the second-stage drawing rod (14), and a base plate (16) is fixedly connected.

2. The numerical control lathe long shaft processing fixing clamp as claimed in claim 1, characterized in that the servo motor (3) is positioned in the middle of the bracket (2), and the rotating shaft (5) is horizontally arranged in the bracket (2).

3. The numerical control lathe long shaft processing fixing clamp according to claim 1, characterized in that the secondary gear (6) is positioned at the middle end of the rotating shaft (5), and the two tertiary gears (7) are respectively positioned at the two ends of the rotating shaft (5).

4. The numerical control lathe long shaft processing fixing clamp according to claim 3, characterized in that the first-stage gear (4), the second-stage gear (6), the third-stage gear (7) and the fourth-stage gear (10) are all bevel gears.

5. The numerical control lathe long shaft processing fixing clamp as claimed in claim 1, characterized in that the primary screw rod (8) and the secondary screw rod (9) are vertically distributed into an integral structure, and the primary nut (11) and the primary traction rod (13) are positioned right above the secondary nut (12) and the secondary traction rod (14).

6. The numerical control lathe long shaft machining fixing clamp is characterized in that one ends, far away from the primary nut (11) and the secondary nut (12), of the primary traction rod (13) and the secondary traction rod (14) are rotatably connected with one side of each clamping plate (15), and the backing plate (16) is located between the two clamping plates (15).