CN212043699U

CN212043699U - CNC processing positioning fixture

Info

Publication number: CN212043699U
Application number: CN202020774643.2U
Authority: CN
Inventors: 曹雪涛
Original assignee: Dongguan City Ding Qi Hardware Technology Co ltd
Current assignee: Dongguan City Ding Qi Hardware Technology Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-12-01
Anticipated expiration: 2030-05-12

Abstract

The utility model discloses a CNC processing positioning fixture, which comprises a supporting table and a fixture body, wherein the fixture body is arranged at the top of the supporting table, the fixture body comprises a supporting plate, a first clamping plate, a second clamping plate and a third clamping plate, a lifting groove is arranged in the supporting table, the supporting plate is connected in the lifting groove in a sliding way, a horizontal limiting groove is arranged at the top of the supporting table, the top of the supporting table is respectively connected with the first clamping plate, the second clamping plate and the third clamping plate, the third clamping plate is positioned between the first clamping plate and the second clamping plate, the top of the first clamping plate, the second clamping plate and the third clamping plate passes through the limiting groove, the first clamping plate and the second clamping plate are respectively fixedly connected at two ends of the top of the supporting plate, a horizontal sliding groove is arranged in the supporting plate, a sliding block is connected in the sliding groove in a sliding way, the CNC processing positioning fixture can select a proper, the application range is wide, and the popularization and the application are convenient.

Description

CNC processing positioning fixture

Technical Field

The utility model relates to a positioning fixture technical field specifically is a CNC processing positioning fixture.

Background

With the development of society, numerical control innovation is widely applied to machining, a numerical control machine tool is the basis of equipment manufacturing industry, the equipment manufacturing industry of joyful equipment firstly revises the numerical control machine tool industry, the level of the national numerical control machine tool industry becomes an important mark for measuring the level of the improved manufacturing industry, the industrial modernization degree and the national comprehensive competitiveness, and the numerical control machine tool is directly related to national economic construction, national defense safety and strategic position.

Present CNC processing positioning fixture generally only can be to the work piece of a shape, and overall structure is comparatively fixed the rigid plate, and application scope is comparatively narrow, adds man-hour to multiple shape work piece, still need change different positioning fixture on the CNC processing bench, and whole process is consuming time longer, has reduced the machining efficiency to the work piece, for this reason, we propose a CNC processing positioning fixture.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a CNC processing positioning fixture to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a CNC processing positioning fixture, includes brace table and the anchor clamps body, the anchor clamps body is installed at the top of brace table, the anchor clamps body includes backup pad, first splint, second splint and third splint, set up the lift groove in the brace table, and sliding connection has the backup pad in the lift groove, the spacing groove of horizontal direction is seted up at the brace table top, the brace table top is connected with first splint, second splint and third splint respectively, and the third splint are located between first splint and the second splint, the spacing groove is passed at the top of first splint, second splint and third splint.

Preferably, first splint and second splint are fixed connection respectively at the top both ends of backup pad, set up the spout of horizontal direction in the backup pad, and sliding connection has the slider in the spout, the draw-in groove that has the horizontal direction is seted up under the top of backup pad is located the spacing groove, the draw-in groove is passed on the top of slider, the bottom fixed connection of third splint is at the slider top, the equal equidistance of first splint and third splint lateral wall has seted up the double-layered groove, and the size of a dimension diverse of a plurality of double-layered grooves on first splint and the third splint, the inside one end fixed mounting of backup pad has the cylinder, and the tailpiece of the piston rod portion of cylinder stretch into in the spout with slider fixed connection.

Preferably, the ball is all installed to the corresponding both sides wall of backup pad, the rolling groove of vertical direction is all seted up to two inner walls that correspond of lift groove, ball roll connection is in the rolling groove, the backup pad is through setting up the ball sliding connection above that in the lift groove.

Preferably, the support table is symmetrically and fixedly provided with hydraulic cylinders below the lifting groove, and the end parts of the piston rods of the hydraulic cylinders extend into the lifting groove and are fixedly connected with the support plate.

Preferably, the clamping grooves between the first clamping plate and the third clamping plate are correspondingly arranged, and the two corresponding inner walls of the clamping grooves are vertically arranged.

Preferably, the first clamping plate, the second clamping plate and the third clamping plate have the same height.

Preferably, the length and the width of the sliding groove are both larger than those of the clamping groove, the lower end of the sliding block is connected in the sliding groove in a matched and sliding mode, and the top end of the sliding block is connected in the clamping groove in a matched and sliding mode.

Preferably, the side walls of the second clamping plate, the third clamping plate and the inner wall of the clamping groove are provided with anti-slip pads.

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

the utility model discloses a set up first splint, second splint and third splint, can fix a position the clamp tightly to the work piece of multiple size of multiple shape, through setting up first splint and third splint into the liftable formula, can adjust the position of its upper clamp groove, can select suitable double-layered groove according to work piece shape size needs, the adaptation is to the processing of the work piece of different shape sizes, and its application scope is wider, and the facilitate promotion is suitable for.

Drawings

Fig. 1 is a schematic structural view of the overall cross-sectional view of the present invention.

In the figure: 1. a support table; 2. a clamp body; 3. a lifting groove; 4. a support plate; 5. a first splint; 6. a second splint; 7. a third splint; 8. a clamping groove; 9. a non-slip mat; 10. a limiting groove; 11. a card slot; 12. a cylinder; 13. a slider; 14. a chute; 15. a ball bearing; 16. a hydraulic cylinder; 17. and (4) rolling the groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, a CNC machining positioning fixture in the drawing includes a supporting table 1 and a fixture body 2, the fixture body 2 is installed at the top of the supporting table 1, the fixture body 2 includes a supporting plate 4, a first clamping plate 5, a second clamping plate 6 and a third clamping plate 7, a lifting groove 3 is formed in the supporting table 1, the supporting plate 4 is connected in the lifting groove 3 in a sliding manner, a horizontal limiting groove 10 is formed in the top of the supporting table 1, the top of the supporting table 1 is connected with the first clamping plate 5, the second clamping plate 6 and the third clamping plate 7 respectively, the third clamping plate 7 is located between the first clamping plate 5 and the second clamping plate 6, and the top of the first clamping plate 5, the second clamping plate 6 and the third clamping plate 7 penetrates through the limiting groove 10.

Referring to fig. 1, the first clamping plate 5 and the second clamping plate 6 are respectively fixedly connected to two ends of the top of the supporting plate 4, a sliding slot 14 is formed in the supporting plate 4 in a horizontal direction, and a slide block 13 is connected in the slide groove 14 in a sliding way, a clamping groove 11 in the horizontal direction is arranged at the top of the supporting plate 4 under the limiting groove 10, the top end of the sliding block 13 penetrates through the clamping groove 11, the bottom of the third clamping plate 7 is fixedly connected with the top of the sliding block 13, clamping grooves 8 are formed in the side walls of the first clamping plate 5 and the third clamping plate 7 at equal intervals, and the sizes of the plurality of clamping grooves 8 on the first clamping plate 5 and the third clamping plate 7 are different, one end inside the supporting plate 4 is fixedly provided with a cylinder 12, the end part of a piston rod of the cylinder 12 extends into the sliding chute 14 and is fixedly connected with the sliding block 13, so that workpieces with different sizes and shapes can be positioned and clamped conveniently;

when a square or cylindrical rod needs to be positioned and clamped, the size of a required clamping groove 8 is selected according to the approximate size of the square rod, when the diameter of the square or cylindrical rod is smaller, the clamping groove 8 at the top ends of a first clamping plate 5 and a third clamping plate 7 is selected to clamp the square rod, a hydraulic cylinder 16 is controlled to work through a set control system, a piston rod of the hydraulic cylinder 16 contracts to enable the lower ends of the first clamping plate 5 and the third clamping plate 7 to slide into a lifting groove 3 along with a supporting plate 4, when the clamping groove 8 at the top ends of the first clamping plate 5 and the third clamping plate 7 is positioned at the top of the supporting plate 4, the lifting of the supporting plate 4 is stopped, then a workpiece is placed into the clamping groove 8, a cylinder 12 is controlled to work, the piston rod of the cylinder 12 extends to control the third clamping plate 7 to slide to the first clamping plate 5, the workpiece is clamped through the matching of the clamping grooves 8 on the first clamping plate 5, when a large-size workpiece needs to be machined, the workpiece is placed between the second clamping plate 6 and the third clamping plate 7, the cylinder 12 is controlled to work, the piston rod of the cylinder 12 contracts to enable the third clamping plate 7 to move towards the position of the second clamping plate 6, the workpiece is stably clamped by the second clamping plate 6 and the third clamping plate 7, the workpiece can be machined conveniently, the positioning clamp can adapt to machining of workpieces with different shapes and sizes, the application range is wide, and the popularization and the application are convenient.

Referring to fig. 1, two opposite side walls of the supporting plate 4 are respectively provided with a ball 15, two opposite inner walls of the lifting groove 3 are respectively provided with a rolling groove 17 in the vertical direction, the balls 15 are connected in the rolling grooves 17 in a rolling manner, the supporting plate 4 is slidably connected in the lifting groove 3 through the balls 15 arranged on the supporting plate 4, and in the process that the supporting plate 4 is slidably connected in the lifting groove 3, the balls 15 on the supporting plate 4 are connected in the rolling grooves 17 in a rolling manner, so that the supporting plate 4 can be lifted more smoothly.

Referring to fig. 1, hydraulic cylinders 16 are symmetrically and fixedly mounted below the lifting groove 3 in the supporting table 1, the end portions of piston rods of the hydraulic cylinders 16 extend into the lifting groove 3 and are fixedly connected with the supporting plate 4, the lifting of the supporting plate 4 is convenient to control, the lifting of the supporting plate 4 can be controlled by controlling the working of the hydraulic cylinders 16 through an arranged control system, the heights of the first clamping plate 5 and the third clamping plate 7 can be adjusted through the lifting of the supporting plate 4, the heights of the first clamping plate 5 and the third clamping plate 7 are adjusted according to the size of a workpiece to be machined, the clamping groove 8 suitable for clamping the workpiece is located at the top of the supporting table 1, and the workpiece on the supporting table 1 is convenient to clamp.

Referring to fig. 1, the clamp groove 8 between the first clamp plate 5 and the third clamp plate 7 is correspondingly arranged, the two corresponding inner walls of the clamp groove 8 are vertically arranged, the clamp groove 8 between the first clamp plate 5 and the third clamp plate 7 is correspondingly arranged, and the workpiece can be clamped through the cooperation of the corresponding clamp groove 8 between the first clamp plate 5 and the third clamp plate 7, so that the stability of the workpiece is ensured, and the workpiece can be conveniently processed.

Referring to fig. 1, the first clamping plate 5, the second clamping plate 6 and the third clamping plate 7 have the same height, so as to clamp a workpiece to be processed;

wherein the double-layered groove 8 that sets up between first splint 5 and the third splint 7 can press from both sides tightly circular or square work piece, and the big or small size difference of a plurality of double-layered grooves 8 on first splint 5 and the third splint 7 can press from both sides tightly the work piece of different sizes, is convenient for to the processing of work piece, can press from both sides tightly normal work piece through second splint 6 and third splint 7.

Referring to fig. 1, the length and the width of the sliding groove 14 are both greater than those of the slot 11, the lower end of the sliding block 13 is slidably connected in the sliding groove 14, and the top end of the sliding block 13 is slidably connected in the slot 11, so that the sliding of the sliding block 13 is limited.

Referring to fig. 1, the side walls of the second clamping plate 6, the third clamping plate 7 and the inner wall of the clamping groove 8 are provided with anti-slip pads 9, so that a good anti-slip effect is achieved when a workpiece is clamped, and the workpiece is prevented from slipping off.

In the scheme, one end of a supporting table 1 can be provided with a processing mechanism (such as a cutting mechanism) for processing a workpiece, a clamp body 2 is arranged beside the processing mechanism at the top of the supporting table 1, when a square or cylindrical rod needs to be positioned and clamped, the size of a required clamping groove 8 is selected according to the approximate size of the square rod, when the diameter of the clamping groove is smaller, the clamping groove 8 at the top end of a first clamping plate 5 and a third clamping plate 7 is selected for clamping the rod, a control system is arranged to control a hydraulic cylinder 16 to work, a piston rod of the hydraulic cylinder 16 contracts to enable the lower ends of the first clamping plate 5 and the third clamping plate 7 to slide into a lifting groove 3 along with a supporting plate 4, when the clamping groove 8 at the top end of the first clamping plate 5 and the third clamping plate 7 is positioned at the top of the supporting plate 4, the lifting of the supporting plate 4 is stopped, then the workpiece is placed into the clamping groove 8, then a cylinder 12 is controlled to work, the, the cooperation through the double-layered groove 8 on first splint 5 and the third splint 7 is tight with the work piece clamp, is convenient for to the processing of work piece, adds man-hour to the great work piece of volume when needs, arranges the work piece in between second splint 6 and the third splint 7, and control cylinder 12 work, cylinder 12 piston rod shrink make the third splint 7 move to second splint 6 position, and second splint 6 and third splint 7 are firm tight with the work piece clamp, are convenient for to the processing of work piece.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a CNC processing positioning fixture, includes brace table (1) and the anchor clamps body (2), its characterized in that are installed at the top of brace table (1): the clamp body (2) comprises a supporting plate (4), a first clamping plate (5), a second clamping plate (6) and a third clamping plate (7), a lifting groove (3) is formed in the supporting table (1), the supporting plate (4) is connected with the supporting plate in the lifting groove (3) in a sliding mode, a limiting groove (10) in the horizontal direction is formed in the top of the supporting table (1), the top of the supporting table (1) is connected with the first clamping plate (5), the second clamping plate (6) and the third clamping plate (7) respectively, the third clamping plate (7) is located between the first clamping plate (5) and the second clamping plate (6), and the top of the first clamping plate (5), the second clamping plate (6) and the third clamping plate (7) penetrates through the limiting groove (10).

2. The CNC machining positioning fixture of claim 1, wherein: the first clamping plate (5) and the second clamping plate (6) are respectively and fixedly connected with two ends of the top of the supporting plate (4), a sliding groove (14) in the horizontal direction is formed in the supporting plate (4), a sliding block (13) is connected in the sliding groove (14) in a sliding way, a clamping groove (11) in the horizontal direction is arranged at the top of the supporting plate (4) under the limiting groove (10), the top end of the sliding block (13) penetrates through the clamping groove (11), the bottom of the third clamping plate (7) is fixedly connected to the top of the sliding block (13), the side walls of the first clamping plate (5) and the third clamping plate (7) are provided with clamping grooves (8) at equal intervals, and the sizes of the plurality of clamping grooves (8) on the first clamping plate (5) and the third clamping plate (7) are different, an air cylinder (12) is fixedly arranged at one end inside the supporting plate (4), and the end part of a piston rod of the air cylinder (12) extends into the sliding groove (14) and is fixedly connected with the sliding block (13).

3. The CNC machining positioning fixture of claim 1, wherein: ball (15) are all installed to the corresponding both sides wall of backup pad (4), vertical direction's rolling groove (17) are all seted up to two inner walls that correspond of lift groove (3), ball (15) roll connection is in rolling groove (17), backup pad (4) are through setting up ball (15) sliding connection above that in lift groove (3).

4. The CNC machining positioning fixture of claim 1, wherein: and hydraulic cylinders (16) are symmetrically and fixedly arranged below the lifting groove (3) in the supporting table (1), and the end parts of piston rods of the hydraulic cylinders (16) extend into the lifting groove (3) and are fixedly connected with the supporting plate (4).

5. The CNC machining positioning fixture of claim 2, wherein: the clamp groove (8) between the first clamp plate (5) and the third clamp plate (7) is correspondingly arranged, and the two corresponding inner walls of the clamp groove (8) are vertically arranged.

6. The CNC machining positioning fixture of claim 1, wherein: the first clamping plate (5), the second clamping plate (6) and the third clamping plate (7) are equal in height.

7. The CNC machining positioning fixture of claim 2, wherein: the length and the width of the sliding groove (14) are both larger than those of the clamping groove (11), the lower end of the sliding block (13) is connected in the sliding groove (14) in a matched and sliding mode, and the top end of the sliding block (13) is connected in the clamping groove (11) in a matched and sliding mode.

8. The CNC machining positioning fixture of claim 2, wherein: and the side walls of the second clamping plate (6), the third clamping plate (7) and the inner wall of the clamping groove (8) are provided with anti-slip pads (9).