CN215092070U

CN215092070U - Positioning mechanism for fixture of CNC (computer numerical control) machine tool

Info

Publication number: CN215092070U
Application number: CN202121274225.8U
Authority: CN
Inventors: 孙仁杰; 任文斌; 代绍明
Original assignee: Suzhou Kangpu Leisen Precision Machinery Co ltd
Current assignee: Suzhou Kangpu Leisen Precision Machinery Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-12-10
Anticipated expiration: 2031-06-08

Abstract

The utility model provides a CNC is positioning mechanism for anchor clamps of digit control machine tool relates to positioning mechanism technical field, including unable adjustment base, the fixed base bottom fixedly connected with fixed curb plate, the inside location fixture that is provided with of unable adjustment base, and location fixture include first cavity, the inside first cavity of having seted up of unable adjustment base, and the inside bearing of first cavity is connected with the bull stick, bull stick bottom fixedly connected with the first in command, and bull stick top fixedly connected with carousel, the outside articulated hinge of carousel has four articulated hinge bars of group, four slide of group have been seted up to the unable adjustment base upper surface, and the inside litter that has all been run through of slide, four groups the one end that the carousel was kept away from to the hinge bar all articulates in the litter bottom, and the equal fixedly connected with locating plate in litter top. The utility model discloses can fix a position the centre gripping to the work piece fast, need not operating personnel and assist the work piece, reduce work load to efficiency has been improved.

Description

Positioning mechanism for fixture of CNC (computer numerical control) machine tool

Technical Field

The utility model relates to a positioning mechanism technical field especially relates to a CNC digit control machine tool's positioning mechanism for anchor clamps.

Background

The numerical control machine tool is a digital control machine tool for short, is an automatic machine tool provided with a program control system, and is beneficial to modernization of production management. The numerical control machine tool processes and transmits information by using digital information and standard codes, and a computer control method is used, so that a foundation is laid for the integration of computer aided design, manufacture and management;

however, the existing positioning mechanism for the clamp of the CNC numerical control machine tool has the following problems in the use process: the existing numerical control machine tool is used for clamping a workpiece, but the existing clamping mechanism cannot accurately position the workpiece to the middle when in use, needs the operator to assist by the side, increases the labor capacity, and easily causes the workpiece to deviate during processing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, solve the unable accurate problem of fixing a position the work piece to the intermediate position of the traditional fixture who proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a CNC digit control machine tool's positioning mechanism for anchor clamps, includes unable adjustment base, the fixed base bottom fixedly connected with fixed side board, the inside location fixture that is provided with of unable adjustment base, and location fixture include first cavity, unable adjustment base has inside seted up first cavity, and the inside bearing of first cavity is connected with the bull stick, bull stick bottom fixedly connected with first in command, and bull stick top fixedly connected with carousel, the outside articulated four hinge bars of group of carousel, four slide groups have been seted up to the unable adjustment base upper surface, and the inside litter that has all run through of slide, four groups the one end that the carousel was kept away from to the hinge bar all articulates in the litter bottom, and the equal fixedly connected with locating plate in litter top, four groups the locating plate is inside all to be provided with fixed establishment.

Preferably, the inner sides of the four groups of positioning plates are fixedly connected with protective pads, and the protective pads are made of rubber.

Preferably, fixed establishment includes the head rod, the inside head rod that is equipped with of inserting of locating plate, and head rod top fixedly connected with second handle, the inside second cavity of having seted up of locating plate, and second handle bottom bearing connects in the second cavity inner wall, second handle outer wall fixedly connected with cam, the fixed slot has been seted up to the locating plate inside, and inside the inserting of fixed slot is equipped with the fixed block, fixed block bottom fixed connection is in the litter, the equal fixedly connected with spring of second cavity left and right sides inner wall, and the inboard fixedly connected with second connecting rod of spring, two sets of the inboard top fixedly connected with fixed pulley of second connecting rod, and the fixed pulley other end all butt in the cam outer wall, two sets of all fixedly connected with grip blocks in second connecting rod bottom, and the grip block inboard all laminates in the litter.

Preferably, a sliding groove is formed in the second chamber, a sliding block is connected to the inside of the sliding groove in a sliding mode, and one end, far away from the sliding groove, of the sliding block is fixedly connected to the second connecting rod.

Preferably, the inner shape of the fixing groove and the outer shape of the fixing block are both set to be rectangular, and the inner shape of the fixing groove and the outer shape of the fixing block are matched with each other.

Preferably, four groups of positioning plates are arranged and are uniformly distributed on the upper surface of the fixed base.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, by arranging the positioning and clamping mechanism, the operator can rotate the first handle to drive the four groups of positioning plates to move towards the middle, thereby quickly positioning and clamping the workpiece without the assistance of the operator to the workpiece, reducing the workload and improving the efficiency;

2. the utility model discloses in, through being provided with fixed establishment, operating personnel can change the locating plate fast to come the holder that quick replacement corresponds the shape according to the work piece shape of difference, further improved the suitability of device.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

fig. 3 is a schematic view of a front view section of the fixing mechanism of the present invention.

Illustration of the drawings:

110. a fixed base; 120. fixing the side plate; 200. positioning the clamping mechanism; 210. a first chamber; 220. a rotating rod; 230. a first handle; 240. a turntable; 250. a hinged lever; 260. a slideway; 270. a slide rod; 280. positioning a plate; 290. a protective pad; 300. a fixing mechanism; 310. a first connecting rod; 320. a second handle; 330. a second chamber; 331. a chute; 332. a slider; 340. a cam; 350. fixing grooves; 360. a fixed block; 370. a spring; 380. a second connecting rod; 390. a fixed pulley; 391. and (4) clamping the block.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

As shown in fig. 1-3, the present invention provides an embodiment: the utility model provides a CNC digit control machine tool's positioning mechanism for anchor clamps, includes unable adjustment base 110, and unable adjustment base 110 bottom fixedly connected with fixes curb plate 120, its characterized in that: the positioning and clamping mechanism 200 is arranged inside the fixed base 110, the positioning and clamping mechanism 200 comprises a first chamber 210, the first chamber 210 is arranged inside the fixed base 110, a rotating rod 220 is connected to a bearing inside the first chamber 210, a first handle 230 is fixedly connected to the bottom end of the rotating rod 220, a turntable 240 is fixedly connected to the top end of the rotating rod 220, four groups of hinged rods 250 are hinged to the outside of the turntable 240, four groups of slideways 260 are arranged on the upper surface of the fixed base 110, sliding rods 270 penetrate through the insides of the slideways 260, one ends, far away from the turntable 240, of the four groups of hinged rods 250 are hinged to the bottom end of each sliding rod 270, positioning plates 280 are fixedly connected to the top end of each sliding rod 270, fixing mechanisms 300 are arranged inside the four groups of positioning plates 280, protective pads 290 are fixedly connected to the insides of the four groups of positioning plates 280, and the protective pads 290 are made of rubber.

The fixing mechanism 300 comprises a first connecting rod 310, a first connecting rod 310 is inserted into the positioning plate 280, a second handle 320 is fixedly connected to the top end of the first connecting rod 310, a second chamber 330 is opened inside the positioning plate 280, the bottom end of the second handle 320 is connected to the inner wall of the second chamber 330 in a bearing manner, a cam 340 is fixedly connected to the outer wall of the second handle 320, a fixing groove 350 is opened inside the positioning plate 280, a fixing block 360 is inserted into the fixing groove 350, the bottom end of the fixing block 360 is fixedly connected to the slide rod 270, springs 370 are fixedly connected to the inner walls of the left and right sides of the second chamber 330, a second connecting rod 380 is fixedly connected to the inner side of the springs 370, a fixed pulley 390 is fixedly connected to the upper inner sides of the two groups of second connecting rods 380, the other ends of the fixed pulleys 390 abut against the outer wall of the cam 340, clamping blocks 391 are fixedly connected to the bottom ends of the two groups of second connecting rods 380, and the inner sides of the clamping blocks 391 are attached to the slide rod 270, the sliding groove 331 is formed in the second chamber 330, the sliding block 332 is slidably connected to the inside of the sliding groove 331, one end, far away from the sliding groove 331, of the sliding block 332 is fixedly connected to the second connecting rod 380, the inner shape of the fixing groove 350 and the outer shape of the fixing block 360 are both rectangular, the inner shape of the fixing groove 350 and the outer shape of the fixing block 360 are matched with each other, four sets of positioning plates 280 are arranged, and the four sets of positioning plates 280 are uniformly distributed on the upper surface of the fixing base 110.

The working principle is as follows:

an operator can rotate the first handle 230 to drive the rotating rod 220 and the rotating disc 240 to rotate, and through the rotation of the rotating disc 240 and the pulling of the hinge rod 250, the four groups of sliding rods 270 can be driven to slide in the slide ways 260 and move towards the rotating disc 240, and meanwhile, the four groups of positioning plates 280 are driven to move, and the workpiece can be positioned and clamped through the four groups of positioning plates 280;

operating personnel rotates second handle 320, can drive head rod 310 and cam 340 and rotate, can drive two sets of second connecting rod 380 and grip block 391 outside to remove through cam 340, spring 370 receives the extrusion and takes place deformation this moment, locate the litter 270 outside with locating plate 280 cover, when the fixed block 360 gets into inside the fixed slot 350, reverse rotation head rod 310 this moment, through the elastic reaction of spring 370, can drive second connecting rod 380 and grip block 391 and reset, can carry out spacing fixed to litter 270 through two sets of grip blocks 391.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiments into equivalent variations to apply to other fields, but all those persons do not depart from the technical contents of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a CNC digit control machine tool's positioning mechanism for anchor clamps, includes unable adjustment base (110), unable adjustment base (110) bottom fixedly connected with fixed curb plate (120), its characterized in that: the fixed base (110) is internally provided with a positioning and clamping mechanism (200), the positioning and clamping mechanism (200) comprises a first cavity (210), the fixed base (110) is internally provided with the first cavity (210), a rotating rod (220) is connected with the inner bearing of the first chamber (210), the bottom end of the rotating rod (220) is fixedly connected with a first handle (230), the top end of the rotating rod (220) is fixedly connected with a rotating disc (240), four groups of hinged rods (250) are hinged outside the rotating disc (240), four groups of slideways (260) are arranged on the upper surface of the fixed base (110), sliding rods (270) penetrate through the insides of the slide ways (260), one ends of the four groups of hinged rods (250) far away from the rotating disc (240) are hinged at the bottom ends of the sliding rods (270), and the top ends of the sliding rods (270) are fixedly connected with positioning plates (280), and fixing mechanisms (300) are arranged in the four groups of positioning plates (280).

2. The positioning mechanism for a CNC numerical control machine tool fixture according to claim 1, characterized in that: the inner sides of the four positioning plates (280) are fixedly connected with protective pads (290), and the protective pads (290) are made of rubber.

3. The positioning mechanism for a CNC numerical control machine tool fixture according to claim 1, characterized in that: the fixing mechanism (300) comprises a first connecting rod (310), the first connecting rod (310) is inserted into the positioning plate (280), the top end of the first connecting rod (310) is fixedly connected with a second handle (320), a second chamber (330) is formed in the positioning plate (280), a bottom end bearing of the second handle (320) is connected to the inner wall of the second chamber (330), a cam (340) is fixedly connected to the outer wall of the second handle (320), a fixing groove (350) is formed in the positioning plate (280), a fixing block (360) is inserted into the fixing groove (350), the bottom end of the fixing block (360) is fixedly connected to the sliding rod (270), springs (370) are fixedly connected to the inner walls of the left side and the right side of the second chamber (330), a second connecting rod (380) is fixedly connected to the inner side of each spring (370), and a fixed pulley (390) is fixedly connected to the upper portion of the inner side of each of the two groups of second connecting rods (380), and the other end of the fixed pulley (390) is abutted against the outer wall of the cam (340), the bottom ends of the two groups of second connecting rods (380) are fixedly connected with clamping blocks (391), and the inner sides of the clamping blocks (391) are attached to the slide rod (270).

4. The positioning mechanism for a CNC tool clamping apparatus according to claim 3, characterized in that: a sliding groove (331) is formed in the second cavity (330), a sliding block (332) is connected to the inside of the sliding groove (331) in a sliding mode, and one end, far away from the sliding groove (331), of the sliding block (332) is fixedly connected to a second connecting rod (380).

5. The positioning mechanism for a CNC tool clamping apparatus according to claim 3, characterized in that: the inner shape of the fixing groove (350) and the outer shape of the fixing block (360) are both set to be rectangular, and the inner shape of the fixing groove (350) and the outer shape of the fixing block (360) are matched with each other.

6. The positioning mechanism for a CNC numerical control machine tool fixture according to claim 1, characterized in that: four groups of positioning plates (280) are arranged, and the four groups of positioning plates (280) are uniformly distributed on the upper surface of the fixed base (110).