CN220740248U

CN220740248U - CNC positioner

Info

Publication number: CN220740248U
Application number: CN202322378163.0U
Authority: CN
Inventors: 欧阳效程; 曾文武; 黄泽昊; 郭平
Original assignee: Guangdong Mingke Machinery Intelligent Equipment Co ltd
Current assignee: Guangdong Mingke Machinery Intelligent Equipment Co ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-04-09
Anticipated expiration: 2033-08-31

Abstract

The utility model discloses a CNC positioning device, and relates to the technical field of numerical control machine tool positioning. Including processing platen, processing platen top is provided with the setting element, the setting element sets up to be no less than three and is circumference form arrangement setting, every the setting element all includes to support the piece, it is echelonment and echelonment section all is the cambered surface form to support piece one side setting, supports piece and is cambered surface form one side and is fixed with the rubber flake that the thickness is not greater than 0.2. Mm. According to the utility model, through the arrangement of the processing platen, the positioning piece and the like, the device can position the workpiece through the positioning machine part in the workpiece positioning process, and reduces the contact with the plane of the disc-shaped workpiece to be processed in the positioning process, so that the surface to be processed can be completely exposed under the cutter of the machine tool, and meanwhile, the device is uniformly distributed on the processing table through a plurality of groups of positioning pieces, so that the precise clamping and positioning of multiple surfaces are realized.

Description

CNC positioner

Technical Field

The utility model relates to the technical field of positioning of numerical control machine tools, in particular to a CNC positioning device.

Background

The utility model provides a digit control machine tool positioner of authorized publication number CN218856197U discloses the output fixedly connected with pivot of motor, pivot top and brace table bottom fixedly connected with, has seted up two recesses on the brace table, and the brace table is located two recesses and all rotates and be connected with the threaded rod, is provided with two drive respectively two threaded rods and carries out pivoted drive assembly on the brace table, equal threaded connection has the movable block on two threaded rods, two equal fixedly connected with splint in movable block top. Through making two splint remove in opposite directions, and then through two splint centre gripping work pieces, through rotating the double-screw bolt, drive the clamp plate and reciprocate, push down the work piece upper end through the clamp plate, improve work piece centre gripping stability, through taking off the inserted bar, the starter motor, the motor drives the pivot and rotates, and the pivot drives brace table and work piece rotation, conveniently processes different positions of work piece.

The device can be used for carrying out excellent clamping on a workpiece, but in the process of carrying out machining on a disc-shaped workpiece, the contact area between the clamping piece and the surface of the workpiece in the positioning process is required to be considered, and particularly, the workpiece is machined on the plane of the disc, and the clamp is difficult to carry out effective clamping.

Disclosure of Invention

The present utility model is directed to a CNC positioning device for solving the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the CNC positioning device comprises a processing bedplate, wherein positioning pieces are arranged at the top of the processing bedplate, are not less than three groups and are arranged in a circumferential arrangement manner;

each positioning piece comprises a supporting block, wherein one side of the supporting block is in a step shape, the step-shaped section is in a cambered surface shape, and a rubber sheet with the thickness not more than 0.2mm is fixed on one side of the supporting block in the cambered surface shape.

Preferably, an extension rod is fixedly connected to one side of the supporting block, a straight notch is formed in the middle of the extension rod, a positioning screw rod is arranged on the inner wall of the straight notch in a sliding mode, a cylindrical bump is fixed to the bottom end of the positioning screw rod, and a fixing nut arranged above the extension rod is connected to the top of the positioning screw rod in a threaded mode.

Preferably, a row of table top grooves are formed in the top of the processing table plate, the cross section of each table top groove is convex, and the cylindrical protruding blocks are arranged between the inner walls of the two sides of each table top groove.

Preferably, the top of the abutting block is provided with a groove, a tensioning plate is inserted in the groove, the tail end of the tensioning plate is in threaded connection with a fastening screw, the tail end of the fastening screw is rotationally connected with a bump, and one side of the bump is fixed with a rubber bonding plate.

Preferably, the tail end of the tensioning plate is in a right angle shape, the fastening screw is arranged at the right angle of the tail end of the tensioning plate, and the length of the tensioning plate is larger than the diameter length of a circle formed by a plurality of positioning pieces in a surrounding mode.

Preferably, screw holes are formed in two sides of the machining platen, and the screw Kong Naluo is connected with a fixing bolt for fixing the machining platen.

Compared with the prior art, the utility model has the beneficial effects that:

the CNC positioning device is arranged through the machining platen, the positioning piece and the like, the device can position the workpiece through the positioning machine part in the workpiece positioning process, contact with the disc-shaped workpiece to be machined on the plane is reduced in the positioning process, the surface to be machined can be completely exposed under the cutter of the machine tool, and meanwhile, the device is uniformly distributed on the machining table through a plurality of groups of positioning pieces, so that multi-surface accurate clamping and positioning are realized.

Meanwhile, the equipment is high in positioning precision and good in stability, so that the processing problem caused by positioning errors is reduced, the production efficiency is improved, and the equipment can realize high-precision positioning, so that the processed product is high in dimensional precision and stable in quality, and the overall quality and market competitiveness of the product are improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a CNC positioning device according to the present utility model;

FIG. 2 is a schematic view of a CNC positioning device positioning part according to the present utility model;

FIG. 3 is a schematic view of another view angle of the positioning member of the CNC positioning device according to the present utility model.

In the figure: 1. a processing platen; 101. a mesa groove; 2. a fixing bolt; 3. a positioning piece; 301. abutting blocks; 302. an extension rod; 303. a straight slot; 304. positioning a screw; 305. a fixing nut; 306. tensioning the plate; 307. a rubber adhesive plate; 308. fastening a screw; 309. cylindrical bumps.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The numerical control machine tool is short for numerical control machine tool, and is an automatic machine tool with a program control system. The control system is able to logically process a program defined by control codes or other symbolic instructions, and to decode it, expressed in coded numbers, and input to the numerical control device via the information carrier. The numerical control device sends out various control signals to control the action of the machine tool through operation processing, and parts are automatically machined according to the shape and the size required by the drawing. The numerical control machine tool well solves the problems of complex, precise, small batch and multiple kinds of part processing, is a flexible and high-efficiency automatic machine tool, represents the development direction of the modern machine tool control technology, and is a typical electromechanical integrated product.

As shown in fig. 1-3, the present utility model provides a technical solution: a CNC positioning device comprises a machining platen 1, wherein positioning pieces 3 are arranged at the top of the machining platen 1, and the positioning pieces 3 are arranged in a circumferential arrangement mode and are not less than three groups;

each positioning piece 3 comprises a supporting block 301, wherein one side of the supporting block 301 is provided with a step shape, the step-shaped section is in a cambered surface shape, and a rubber sheet with the thickness not more than 0.2mm is fixed on one side of the supporting block 301 in the cambered surface shape.

To ensure smooth implementation of this embodiment, it should be understood that an extension rod 302 is fixedly connected to one side of the abutment 301, a straight slot 303 is formed in the middle of the extension rod 302, a positioning screw 304 slides on the inner wall of the straight slot 303, a cylindrical bump 309 is fixed to the bottom end of the positioning screw 304, and a fixing nut 305 disposed above the extension rod 302 is screwed to the top of the positioning screw 304.

To ensure smooth implementation of this embodiment, it should be understood that a row of table top grooves 101 are provided at the top of the processing platen 1, the cross section of the table top grooves 101 is in a "convex" shape, cylindrical bumps 309 are provided between the inner walls of two sides of the table top grooves 101, the top of the supporting block 301 is provided with a groove, a tightening plate 306 is inserted into the groove, the end of the tightening plate 306 is screwed with a fastening screw 308, the end of the fastening screw 308 is rotatably connected with a bump, one side of the bump is fixed with a rubber attaching plate 307, the end of the tightening plate 306 is in a right angle shape, the fastening screw 308 is provided at the right angle position of the end of the tightening plate 306, the length of the tightening plate 306 is greater than the diameter length of a circle formed by surrounding a plurality of positioning members 3, screw holes are provided at two sides of the processing platen 1, and the screw Kong Naluo is connected with a fixing bolt 2 for fixing the processing platen 1.

The CNC positioning device is designed in a concept of precision machining and efficient production, and comprises a machining platen 1, wherein at least three groups of positioning pieces 3 are arranged at the top of the platen, and the positioning pieces 3 are circumferentially arranged so as to ensure accurate positioning on multiple surfaces;

each positioning piece 3 comprises a supporting block 301, one side of the supporting block is in a ladder shape, the surface of the supporting block is arc-shaped, the design can be better matched with various disc-shaped parts to be processed, machining size inaccuracy caused by errors is reduced, in addition, a rubber sheet with the thickness not more than 0.2mm is fixed on one side of the cambered surface of the supporting block 301, and the supporting block is used for preventing direct collision between metal parts, reducing loss in the machining process, increasing friction force and improving clamping effect;

meanwhile, one side of the supporting block 301 is fixedly connected with an extension rod 302, the middle part of the extension rod 302 is provided with a straight notch 303, the inner wall of the straight notch 303 slides to form a positioning screw rod 304, the bottom end of the positioning screw rod 304 is fixedly provided with a cylindrical protruding block 309, the top of the positioning screw rod 304 is in threaded connection with a fixing nut 305 arranged above the extension rod 302, and the structure enables the supporting block 301 to be effectively fixed and kept stable by the positioning device;

in addition, a row of table top grooves 101 are formed in the top of the machining table plate 1, the cross section of the table top grooves is convex, and cylindrical protruding blocks 309 are arranged between the inner walls of the two sides of the table top grooves 101, so that the positioning device can be accurately controlled in the horizontal direction, the fixing adjustment is convenient, and the machining precision is further improved;

a tensioning plate 306 is inserted into a groove at the top of the supporting block 301, and the tensioning plate 306 can be pushed or pulled away from the supporting block 301 by rotating a fastening screw 308, so that the position of the positioning device is further finely adjusted, and the clamping effect of the positioning piece 3 is better;

it is noted that the end of the tightening plate 306 is in a right angle shape, and the tightening screw 308 is disposed at the right angle of the end of the tightening plate 306, the length of the tightening plate 306 is greater than the diameter length of the circle formed by the plurality of positioning members 3, so that when the tightening screw 308 is rotated, the abutting block 301 can be tightly abutted against the surface of the disc-shaped belt workpiece, and more stable and effective clamping is realized;

finally, in order to ensure the stability of the machining platen 1, fixing bolts 2 are arranged at both sides of the machining platen 1, so that the machining platen 1 can be kept stable no matter what machining environment is, and the machining precision is prevented from being influenced by external factors;

in general, the CNC positioning device realizes high-precision and high-efficiency production and processing through precise structural design and fine dynamic adjustment, and greatly improves the production efficiency and the product quality.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and scope of the utility model as defined by the appended embodiments and equivalents thereof.

Claims

1. CNC positioner, including processing platen (1), its characterized in that: the top of the processing bedplate (1) is provided with positioning pieces (3), and the positioning pieces (3) are arranged in a circumferential arrangement mode and are not less than three groups;

each positioning piece (3) comprises a supporting block (301), one side of each supporting block (301) is in a step shape, the step-shaped section is in an arc surface shape, and a rubber sheet with the thickness not more than 0.2mm is fixed on one side of each supporting block (301) in the arc surface shape.

2. A CNC positioning device according to claim 1, wherein: the anti-collision device is characterized in that an extension rod (302) is fixedly connected to one side of the abutting block (301), a straight notch (303) is formed in the middle of the extension rod (302), a positioning screw (304) is arranged on the inner wall of the straight notch (303) in a sliding mode, a cylindrical protruding block (309) is fixed to the bottom end of the positioning screw (304), and a fixing nut (305) arranged above the extension rod (302) is connected to the top of the positioning screw (304) in a threaded mode.

3. A CNC positioning device according to claim 2, wherein: a row of table top grooves (101) are formed in the top of the machining table plate (1), the cross section of the table top grooves (101) is in a convex shape, and the cylindrical protruding blocks (309) are arranged between the inner walls of the two sides of the table top grooves (101).

4. A CNC positioning device according to claim 2, wherein: the top of the supporting block (301) is provided with a groove, a tensioning plate (306) is inserted in the groove, the tail end of the tensioning plate (306) is in threaded connection with a fastening screw rod (308), the tail end of the fastening screw rod (308) is rotationally connected with a protruding block, and one side of the protruding block is fixedly provided with a rubber bonding plate (307).

5. The CNC positioning device according to claim 4, wherein: the tail end of the tensioning plate (306) is in a right angle shape, the fastening screw rod (308) is arranged at the right angle of the tail end of the tensioning plate (306), and the length of the tensioning plate (306) is larger than the diameter length of a circle formed by a plurality of positioning pieces (3) in a surrounding mode.

6. A CNC positioning device according to claim 1, wherein: the two sides of the processing bedplate (1) are provided with screw holes, and the screw Kong Naluo is connected with a fixing bolt (2) for fixing the processing bedplate (1).