CN217860067U

CN217860067U - Workpiece clamping device of numerical control milling machine

Info

Publication number: CN217860067U
Application number: CN202221645994.9U
Authority: CN
Inventors: 陈卫忠; 陈赜; 陈小明
Original assignee: Hangzhou Haoyun Medical Equipment Co ltd
Current assignee: Hangzhou Haoyun Medical Equipment Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-11-22
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a numerically controlled fraise machine work piece clamping device relates to the numerically controlled fraise machine field, including placing the board, the internally mounted who places the board has the telescopic link, and the output of telescopic link is fixed with the movable plate, the both sides of movable plate are rotated and are installed the connecting rod, the top activity of placing the board is provided with movable clamp plate, and one side of movable clamp plate is provided with the arc, one side of placing the board top is fixed with the fixed plate, one side of fixed plate is provided with expansion assembly. The utility model discloses reached and be convenient for carry out the purpose that presss from both sides tightly to the article of different shapes, through arc and the block rubber that sets up for moving splint when pressing from both sides tightly the article of rectangle form, through block rubber and article outer wall contact, thereby the frictional force between increase moving splint and the article avoids the steel pipe gliding phenomenon to appear, and rethread expansion subassembly expands spacingly to the inside of steel pipe, makes the steel pipe can be more stable man-hour adding.

Description

Workpiece clamping device of numerical control milling machine

Technical Field

The utility model relates to a numerically controlled fraise machine field specifically is a numerically controlled fraise machine work piece clamping device.

Background

The numerical control milling machine is also called CNC milling machine, english means the milling machine controlled by electronic counting digitalized signals, the numerical control milling machine is an automatic processing device developed on the basis of a common milling machine, the processing technology of the numerical control milling machine is basically the same, the structure is similar to some extent, the numerical control milling machine is divided into two categories of a tool magazine without and a tool magazine with the tool magazine, wherein the numerical control milling machine with the tool magazine is also called as a processing center, and the numerical control milling machine has the characteristics of good flexibility, high processing precision, stable and reliable processing quality, high production automation degree, high production efficiency and the like.

When the numerical control milling machine is used for processing an object, the clamping device is required to clamp the object to be processed, so that the object is more stable when the processing is carried out, and the phenomenon of resource waste caused by damage of the processed object is avoided.

The screw rod is rotated through the manual work to present clamping device the majority, according to the lead screw principle, and the screw rod drives splint and moves forward, treats the article of processing and presss from both sides tightly, and splint move forward carries out the centre gripping to the steel pipe, and splint are less with the area of contact of treating the processing steel pipe, add man-hour to the steel pipe easily for the phenomenon that the steel pipe appears removing when adding man-hour leads to processing failure.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a numerically controlled fraise machine work piece clamping device to solve present clamping device and rotate the screw rod through the manual work mostly, according to the lead screw principle, the screw rod drives splint and moves forward, treats the article of processing and presss from both sides tightly, splint move forward and carry out the centre gripping to the steel pipe, splint are less with the area of contact who treats the processing steel pipe, add man-hour to the steel pipe easily, make the phenomenon that the steel pipe appears removing when adding man-hour, lead to processing failure's technical problem.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a numerically controlled fraise machine work piece clamping device, is including placing the board, the internally mounted who places the board has the telescopic link, and the output of telescopic link is fixed with the movable plate, the both sides of movable plate are rotated and are installed the connecting rod, the top activity of placing the board is provided with movable clamp plate, and one side of movable clamp plate is provided with the arc, one side of placing the board top is fixed with the fixed plate, one side of fixed plate is provided with the expansion subassembly.

Through adopting above-mentioned technical scheme, reached and be convenient for carry out the purpose that presss from both sides tightly to the article of different shapes, arc and the block rubber through setting up, make the movable clamp plate when pressing from both sides the article of rectangle form tightly, through block rubber and the contact of article outer wall, thereby the frictional force between increase movable clamp plate and the article, then give the elasticity of arc through the spring, make that article can be better fix, arc and the laminating of steel pipe outer wall, make the fixed effect of steel pipe better, when pressing from both sides tightly the steel pipe, avoid the steel pipe gliding phenomenon to appear.

The utility model discloses further set up to, the expansion subassembly is including installing at the inside bull stick of fixed plate, and the one end of bull stick is fixed with the carousel, the multiunit guide way has been seted up to the inside of carousel, the multiunit carriage release lever is installed to one side of fixed plate, and one side of carriage release lever is fixed with the spacing post to the one end of carriage release lever is fixed with the expansion piece.

Through adopting above-mentioned technical scheme, through expansion assembly, it is spacing to expand the inside of steel pipe for the steel pipe can be more stable when adding man-hour.

The utility model discloses further set up to, one side of carriage release lever is fixed with the slider, and the slider cross-section sets up to trapezoidal, one side of fixed plate seted up with slider assorted spacing groove.

Through adopting above-mentioned technical scheme, through the trapezoidal slider that sets up, can be to cooperating with the spacing groove for the carriage release lever can not separate with the fixed plate.

The utility model discloses further set up to, the one end that the movable plate was kept away from to the connecting rod is connected through articulated seat and movable clamp plate rotation, place the top of board set up with movable clamp plate assorted spacing spout.

Through adopting above-mentioned technical scheme, at the telescopic link during operation, the pulling connecting rod for the connecting rod can drive movable clamp plate and remove, thereby under the effect of spacing spout, makes movable clamp plate press from both sides tightly article.

The utility model discloses further set up to, one side of moving the splint is fixed with the multiunit block rubber, and the cross-section of block rubber sets up to semi-circular.

Through adopting above-mentioned technical scheme, can make through the block rubber that sets up when pressing from both sides the article of rectangle form tightly, the block rubber contacts with article to make the increase move the area of contact between splint and the article, thereby make the effect of article centre gripping better.

The utility model discloses further set up to, moving splint's bottom is fixed with the multiunit universal wheel, and one side of moving splint seted up with the arc assorted accomodate the groove to the inside of accomodating the groove is fixed with the spring.

Through adopting above-mentioned technical scheme, can reduce frictional force when removing splint removal through the universal wheel that sets up, and the groove of accomodating that sets up can make the arc get into, is convenient for press from both sides tightly the article of different shapes, and the spring can give elasticity of arc to make the fixed effect of article better.

The utility model discloses further set up to, the outer wall of spacing post is laminated with the inner wall of guide way mutually.

Through adopting above-mentioned technical scheme, can be better carry on spacingly to spacing post, reach the purpose of being convenient for remove the expansion piece.

To sum up, the utility model discloses mainly have following beneficial effect:

the utility model discloses a telescopic link, movable clamp plate, the setting of fixed plate and connecting rod, the purpose of being convenient for carry out the clamp to the article of different shapes has been reached, arc and block rubber through setting up, make movable clamp plate when pressing from both sides the article of rectangle form tightly, through block rubber and the contact of article outer wall, thereby increase the frictional force between movable clamp plate and the article, then give the elasticity of arc through the spring, make article can be better fix, arc and the laminating of steel pipe outer wall, make the fixed effect of steel pipe better, when pressing from both sides tightly the steel pipe, avoid the gliding phenomenon to appear in the steel pipe, rethread expansion subassembly, it is spacing to expand the inside of steel pipe, make the steel pipe add man-hour can be more stable.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a side view of the expansion assembly of the present invention;

fig. 4 is a perspective view of the moving rod of the present invention.

In the figure: 1. placing the plate; 2. a telescopic rod; 3. moving the clamping plate; 4. a fixing plate; 41. a rotating rod; 42. a turntable; 43. a guide groove; 44. a travel bar; 45. a limiting column; 46. an expansion block; 47. a slider; 48. a limiting groove; 49. a rubber pad; 5. a connecting rod; 6. moving the plate; 7. an arc-shaped plate; 8. a rubber block; 9. a spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

A workpiece clamping device of a numerical control milling machine is shown in figures 1-2 and comprises a placing plate 1, wherein a telescopic rod 2 is installed inside the placing plate 1, a movable plate 6 is fixed at the output end of the telescopic rod 2, connecting rods 5 are rotatably installed on two sides of the movable plate 6, a movable clamping plate 3 is movably arranged at the top of the placing plate 1, the telescopic rod 2 drives the movable plate 6 to move downwards, the movable plate 6 pulls one end of each connecting rod 5 downwards, so that two groups of movable clamping plates 3 are relatively close to each other, then the movable clamping plates 3 are close to an article, an arc-shaped plate 7 is arranged on one side of the movable clamping plates 3, a fixed plate 4 is fixed on one side of the top of the placing plate 1, an expansion assembly is arranged on one side of the fixed plate 4, the article can be better fixed through the elasticity of a spring 9 on the arc-shaped plate 7, and then is in contact with the article through a rubber block 8, so that the article fixing effect is better, and a clamping mode of manually twisting the clamping plates is replaced, and the work efficiency of clamping the article is improved;

referring to fig. 3-4, the expansion assembly includes a rotating rod 41 installed inside the fixed plate 4, a rotating plate 42 is fixed at one end of the rotating rod 41, a plurality of sets of guide grooves 43 are formed inside the rotating plate 42, the rotating rod 41 drives the rotating plate 42 to rotate, when the rotating plate 42 rotates, a limiting column 45 located inside the guide groove 43 is under the limiting effect of a wire guide groove, a plurality of sets of moving rods 44 are installed at one side of the fixed plate 4, a limiting column 45 is fixed at one side of the moving rods 44, an expansion block 46 is fixed at one end of the moving rods 44, a rubber pad 49 is fixed on the outer wall of the expansion block 46, the moving rods 44 slide on the inner wall of the limiting groove 48, so that the moving rods 44 drive the expansion block 46 to contact with the inner wall of the steel pipe, the rubber pad 49 on the outer wall of the expansion block 46 is attached to the inner wall of the steel pipe, and friction force is increased.

Referring to fig. 1 and 3, a sliding block 47 is fixed on one side of the moving rod 44, the cross section of the sliding block 47 is trapezoidal, a limiting groove 48 matched with the sliding block 47 is formed on one side of the fixing plate 4, and the trapezoidal sliding block 47 can be matched with the limiting groove 48, so that the moving rod 44 is not separated from the fixing plate 4.

Referring to fig. 2, one end of the connecting rod 5, which is far away from the moving plate 6, is rotatably connected with the movable clamp plate 3 through the hinge seat, the top of the placing plate 1 is provided with a limiting sliding groove matched with the movable clamp plate 3, and when the telescopic rod 2 works, the connecting rod 5 is pulled, so that the connecting rod 5 can drive the movable clamp plate 3 to move, and thus the movable clamp plate 3 can clamp the object under the action of the limiting sliding groove.

Referring to fig. 1-2, a plurality of groups of rubber blocks 8 are fixed on one side of the movable clamp plate 3, the cross section of each rubber block 8 is semicircular, and the rubber blocks 8 can be in contact with objects when rectangular objects are clamped through the arranged rubber blocks 8, so that the contact area between the movable clamp plate 3 and the objects is increased, and the object clamping effect is better.

Please refer to fig. 1, the bottom of movable clamp plate 3 is fixed with the multiunit universal wheel, and one side of movable clamp plate 3 seted up with arc 7 assorted accomodate the groove, and the inside of accomodating the groove is fixed with spring 9, can be when movable clamp plate 3 removes through the universal wheel that sets up, reduce frictional force, and the groove of accomodating that sets up can make arc 7 get into, be convenient for press from both sides tightly the article of different shapes, spring 9 can give 7 elasticity of arc, thereby make the fixed effect of article better.

Referring to fig. 3, the outer wall of the limiting column 45 is attached to the inner wall of the guide groove 43, so that the guide groove 43 can better limit the limiting column 45 when rotating, and the purpose of moving the expansion block 46 is achieved.

The utility model discloses a theory of operation does: when clamping articles, placing the articles above the placing plate 1, starting the telescopic rod 2, driving the movable plate 6 to move downwards by the telescopic rod 2, enabling the movable plate 6 to pull one end of the connecting rod 5 downwards, enabling the two groups of movable clamping plates 3 to be relatively close to each other, enabling the movable clamping plates 3 to be close to the articles, enabling the arc-shaped plates 7 to enter the accommodating grooves to extrude the springs 9, enabling the articles to be better fixed through the elasticity of the springs 9 on the arc-shaped plates 7, enabling the articles to be better fixed through the contact between the arranged rubber blocks 8 and the articles, enabling the article fixing effect to be better, replacing a mode of manually twisting the clamping plates for clamping, and improving the work efficiency of clamping the articles;

when needs press from both sides the steel pipe tightly, push the steel pipe to fixed plate 4, then start telescopic link 2, telescopic link 2 drives movable clamp plate 3 and is close to each other, then make the outer wall of arc 7 block at the steel pipe, the spring gives the elasticity of arc 7, make the steel pipe press from both sides tight effect better, correct the steel pipe, then rotate bull stick 41, bull stick 41 drives carousel 42 and rotates, make the spacing post 45 that is located the inside guide way 43 under the limiting displacement of wire casing when carousel 42 rotates, make four group's movable rods 44 slide at the inner wall of spacing groove 48, thereby make movable rod 44 drive expansion piece 46 and steel pipe inner wall contact, rubber pad 49 and the laminating of steel pipe inner wall of expansion piece 46 outer wall, increase frictional force, then fix the carousel of bull stick 41 one end in one side of fixed plate 4 through the bolt.

While embodiments of the invention have been illustrated and described, it is not intended to limit the invention to the exact construction and operation illustrated and described, and that various other features, structures, materials, or characteristics may be substituted for those illustrated and described without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a numerically controlled fraise machine work piece clamping device, is including placing board (1), its characterized in that: the novel telescopic plate is characterized in that a telescopic rod (2) is arranged inside the placing plate (1), a movable plate (6) is fixed at the output end of the telescopic rod (2), connecting rods (5) are installed on two sides of the movable plate (6) in a rotating mode, a movable clamping plate (3) is movably arranged at the top of the placing plate (1), an arc-shaped plate (7) is arranged on one side of the movable clamping plate (3), a fixing plate (4) is fixed on one side of the top of the placing plate (1), and an expansion assembly is arranged on one side of the fixing plate (4).

2. A numerically controlled fraise machine workpiece clamping device according to claim 1, characterised in that: expansion assembly is including installing bull stick (41) in fixed plate (4) inside, and the one end of bull stick (41) is fixed with carousel (42), multiunit guide way (43) have been seted up to the inside of carousel (42), multiunit carriage release lever (44) are installed to one side of fixed plate (4), and one side of carriage release lever (44) is fixed with spacing post (45) to the one end of carriage release lever (44) is fixed with expansion piece (46).

3. A numerically controlled fraise machine workpiece clamping device according to claim 2, characterised in that: one side of the moving rod (44) is fixed with a sliding block (47), the cross section of the sliding block (47) is trapezoidal, and one side of the fixing plate (4) is provided with a limiting groove (48) matched with the sliding block (47).

4. A numerically controlled milling machine workpiece clamping device according to claim 1, wherein: one end of the connecting rod (5) far away from the movable plate (6) is rotatably connected with the movable clamping plate (3) through a hinged seat, and the top of the placing plate (1) is provided with a limiting sliding groove matched with the movable clamping plate (3).

5. A numerically controlled fraise machine workpiece clamping device according to claim 1, characterised in that: one side of the movable clamping plate (3) is fixed with a plurality of groups of rubber blocks (8), and the cross sections of the rubber blocks (8) are semicircular.

6. A numerically controlled milling machine workpiece clamping device according to claim 1, wherein: the bottom of the movable clamping plate (3) is fixed with a plurality of groups of universal wheels, one side of the movable clamping plate (3) is provided with a containing groove matched with the arc-shaped plate (7), and a spring (9) is fixed inside the containing groove.

7. A numerically controlled fraise machine workpiece clamping device according to claim 2, characterised in that: the outer wall of the limiting column (45) is attached to the inner wall of the guide groove (43).