CN218427069U - Numerical control hydraulic fixture - Google Patents

Abstract

The utility model discloses a numerical control hydraulic fixture, which belongs to the field of fixtures, and the main structure of the fixture comprises a base, a part fixture and a thin oil cylinder, wherein the part fixture and the thin oil cylinder are both arranged on the base, and the thin oil cylinder is used as a driving structure to drive a clamping mechanism on the part fixture to form a movable fixture; the part fixture is characterized in that a plurality of clamping structures are arranged through movable cavities formed in a shape frame plate, each clamping structure is composed of a fixed clamping block and a movable clamping block, the movable clamping blocks are mounted on a sliding clamp body, the sliding clamp body is matched with the wedge-shaped blocks through an inclined plane on the back surface, the wedge-shaped blocks are driven to move up and down by thin oil cylinders at the bottom of the base, horizontal movement of the sliding clamp body and the movable clamping blocks is converted, clamping actions are formed by matching the fixed clamping blocks, and each thin oil cylinder is communicated with the same high-pressure oil pipe, so that unified actions are formed, and synchronous part clamping is finally completed.

Description

Numerical control hydraulic clamp

Technical Field

The utility model relates to an anchor clamps field, in particular to numerical control hydraulically operated fixture of batch synchronization action.

Background

When processing such as punching press to some less parts of size, because part size is little itself, relative thickness is thicker simultaneously, the punching press processing of aperture is hardly carried out on traditional punch press, it can lead to the drift impaired to scrap to process by force still, so adopt numerically controlled fraise machine to replace processing now mostly, but this just leads to every part all to need quick alignment position before milling, single processing leads to wasting time and energy, and hardly guarantee the uniformity of processing back part size, reduced the part quality.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides numerical control hydraulically operated fixture, can effectively solve the problem of mentioning in the background art.

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

numerical control hydraulically operated fixture, which comprises a base, the top of base is equipped with a part anchor clamps, the bottom of base is equipped with one row of thin shape hydro-cylinder side by side, part anchor clamps main part includes the shape deckle, one row of movable chamber has been seted up on the surface of shape deckle, the activity intracavity position placed in the middle is equipped with a wedge respectively, the wedge bottom is connected to on the knockout pin of thin shape hydro-cylinder, the activity intracavity is located the both sides of wedge and is equipped with a pair of fixed clamp piece and the activity respectively and presss from both sides tight piece, the activity presss from both sides tight piece and all installs on the slip clamp body, the back of slip clamp body be equipped with wedge assorted inclined plane, the horizontal motion that makes the vertical motion of wedge convert the slip clamp body forms the clamp to get the action.

Preferably, the thin oil cylinders are connected to the same high-pressure oil pipe together through a joint.

Preferably, the base main part includes a bottom plate, the bottom of the both sides of bottom plate is vertical respectively installs a backup pad, the bottom of backup pad then is fixed mounting respectively has a fixed plate, vertically install one row of baffle on the bottom plate top surface, the space is corresponding with the activity chamber between the adjacent baffle, the inside of backup pad is still vertical to be inserted a pair of guide post, bottom plate, shape deckle board and the baffle at both ends all pass the guide post and erect in the backup pad.

Preferably, the thin oil cylinders are fixedly installed at the bottom of the bottom plate through bolts, the ejection rods of the thin oil cylinders penetrate through the bottom plate and then are connected to the wedge-shaped blocks through stud screws, and a gasket is further arranged at the connection position of the thin oil cylinders and the wedge-shaped blocks.

Preferably, the bottom of the sliding clamp body is located in an area between adjacent partition plates, the width of the sliding clamp body is matched with that of the adjacent partition plates, a pair of positioning holes are symmetrically formed in the area between the adjacent partition plates on the surface of the base plate, meanwhile, two rows of positioning ejector rods are respectively installed on two sides of the base plate, and movable elastic columns are respectively installed at the end parts of the positioning ejector rods and are communicated into the positioning holes.

Preferably, a clamping groove is transversely formed in the bottom surface of the sliding clamp body, a positioning block is fixedly mounted at the bottom of the sliding clamp body, the positioning block is also clamped in the clamping groove, and the bottom of the positioning block extends into the positioning hole below the positioning block.

Preferably, the shape deckle board passes through screw fixed mounting on the baffle, wedge and the slip clamp body all stretch out from activity chamber central point, activity clamp block fixed mounting is on the slip clamp body, fixed clamp block fixed mounting is at the both ends of activity intracavity wall, the activity space between fixed clamp block and the activity clamp block is anchor clamps.

Preferably, the bottom surface of the fixed clamping block clamping cavity and the mounting steps at the two ends of the movable cavity are both provided with a through discharging hole.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, constitute one through setting up base and part anchor clamps and can clamp part anchor clamps in batches, wherein part anchor clamps arrange a plurality of clamping structure through the activity chamber of seting up on the shape deckle board, this structure comprises the movable clamping block of fixed clamp piece and activity, and the activity presss from both sides tight piece and installs on the slip clamp body, the slip clamp body is through the inclined plane and the wedge phase-match at the back, the thin shape hydro-cylinder that utilizes the base bottom drives the wedge and reciprocates, thereby change into the horizontal motion of slip clamp body and activity clamp piece, the fixed clamp piece that presss from both sides of cooperation forms the clamping action, and every thin shape hydro-cylinder communicates same root high pressure fuel pipe again, thereby form unified action, finally accomplish synchronous part clamping.

Drawings

FIG. 1 is a schematic view of the overall structure of the numerical control hydraulic clamp of the present invention;

FIG. 2 is a schematic view for disassembling the structure of the numerical control hydraulic clamp of the present invention;

FIG. 3 is a schematic view of the installation structure of the frame plate and the fixed clamping block of the numerical control hydraulic clamp of the present invention;

FIG. 4 is a schematic view of the installation structure of the bottom plate and the upper parts of the numerical control hydraulic clamp of the present invention;

FIG. 5 is a schematic view of the positioning block mounting structure of the numerical control hydraulic clamp of the present invention;

fig. 6 is the mounting structure diagram of the positioning block and the positioning mandril of the numerical control hydraulic fixture.

In the figure: 1. a base; 2. a part clamp; 3. a thin oil cylinder; 4. a high pressure oil pipe; 5. a bullet column; 6. a fixing plate; 7. a support plate; 8. a base plate; 9. a guide post; 10. a partition plate; 11. a frame plate; 12. a wedge block; 13. a movable cavity; 14. fixing the clamping block; 15. a sliding clamp body; 16. a movable clamping block; 17. positioning blocks; 18. positioning holes; 19. a gasket; 20. stud screws; 21. positioning the ejector rod; 22. a bevel; 23. a card slot; 24. and a discharge hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-6, numerical control hydraulic fixture, including base 1, base 1 main part includes a bottom plate 8, a backup pad 7 is vertically installed respectively to the both sides bottom of bottom plate 8, the bottom of backup pad 7 then respectively fixed mounting have a fixed plate 6, vertically install one row of baffle 10 on the 8 top surfaces of bottom plate, the space is corresponding with activity chamber 13 between the adjacent baffle 10, a pair of guide post 9 has still vertically been inserted to the inside of backup pad 7, bottom plate 8, shape deckle board 11 and the baffle 10 at both ends all pass guide post 9 and erect in backup pad 7.

A part anchor clamps 2 main part for clamping part includes shape deckle board 11, a row of activity chamber 13 has been seted up on the surface of shape deckle board 11, position in the middle of being equipped with a wedge 12 respectively in activity chamber 13, wedge 12 bottom is connected to on the knock-out rod of thin shape hydro-cylinder 3, the both sides that lie in wedge 12 in the activity chamber 13 are equipped with a pair of fixed clamp 14 and the activity respectively press from both sides tight piece 16, activity presss from both sides tight piece 16 and all installs on sliding clamp body 15, sliding clamp body 15's the back be equipped with wedge 12 assorted inclined plane 22, the vertical motion that makes wedge 12 converts the horizontal motion formation of sliding clamp body 15 into and presss from both sides the action.

In the above embodiment, the bottom of the sliding clamp body 15 is located in the area between the adjacent partition boards 10, and the widths of the two are matched, a pair of positioning holes 18 are symmetrically formed in the area between the adjacent partition boards 10 on the surface of the bottom plate 8, a row of positioning ejector rods 21 are respectively installed on two sides of the bottom plate 8, a movable elastic column 5 is respectively installed at the end of each positioning ejector rod 21 and communicated with the positioning hole 18, a clamping groove 23 is transversely formed in the bottom surface of the sliding clamp body 15, a positioning block 17 is also fixedly installed at the bottom of the sliding clamp body 15, the positioning block 17 is also clamped in the clamping groove 23, and the bottom of the positioning block 17 extends into the positioning hole 18 below the positioning block 17

In this embodiment, the frame plate 11 is fixedly mounted on the partition plate 10 through screws, the wedge-shaped block 12 and the sliding clamp body 15 both extend out from the center of the movable cavity 13, the movable clamping block 16 is fixedly mounted on the sliding clamp body 15, the fixed clamping blocks 14 are fixedly mounted at two ends of the inner wall of the movable cavity 13, a movable gap between the fixed clamping block 14 and the movable clamping block 16 is a clamp, and a through discharge hole 24 is formed in the bottom surface of the clamping cavity of the fixed clamping block 14 and the mounting steps at two ends of the movable cavity 13.

In addition, as a power mechanism of the hydraulic clamp, a row of thin oil cylinders 3 are arranged in parallel at the bottom of the base 1, the thin oil cylinders 3 are connected to the same high-pressure oil pipe 4 together through joints, the thin oil cylinders 3 are fixedly installed at the bottom of the bottom plate 8 through bolts, an ejection rod of each thin oil cylinder 3 penetrates through the bottom plate 8 and then is connected to the wedge-shaped block 12 through a stud screw 20, and a gasket 19 is arranged at the joint of the two.

In practical use, hydraulic oil is synchronously injected into each thin oil cylinder 3 through a high-pressure oil pipe 4 controlled by an oil pressure switch, so that a top ejector rod of each thin oil cylinder 3 is driven to eject, a wedge-shaped block 12 is driven to move upwards, meanwhile, an elastic column 5 at the end part of a positioning ejector rod 21 is supposed to eject in a positioning hole 18 under the action of an internal spring, and when acting on a positioning block 17, sliding clamp bodies 15 at two sides are driven to move towards the middle of a movable cavity 13 at the same time, so that a movable clamping block 16 is far away from a fixed clamping block 14; when the wedge-shaped block 12 rises to the highest point, the elastic column 5 also pushes the positioning block 17 to the inner wall of the positioning hole 18, and at the moment, the clamping space between the fixed clamping block 14 and the movable clamping block 16 is the largest, so that parts can be placed conveniently; after the parts are placed in the thin-type clamping block, the oil return of the high-pressure oil pipe 4 is controlled through the oil pressure switch, so that the thin-type oil cylinder 3 drives the wedge-shaped block 12 to move downwards, the wedge-shaped block 12 is matched with the inclined surface 22 on the back surface of the sliding clamp body 15, the sliding clamp body 15 is extruded to move towards two ends of the movable cavity 13, namely the movable clamping block 16 approaches the fixed clamping block 14, the parts between the movable clamping block and the fixed clamping block are clamped well, finally the parts are machined through a preset program of a numerical control milling machine, and the discharge holes 24 reserved in the fixed clamping block 14 can well match with the milling machine.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. Numerical control hydraulic fixture, its characterized in that: including base (1), the top of base (1) is equipped with a part anchor clamps (2), the bottom of base (1) is equipped with one row of thin shape hydro-cylinder (3) side by side, part anchor clamps (2) main part is including shape deckle (11), one row of activity chamber (13) have been seted up on the surface of shape deckle (11), the position placed in the middle is equipped with a wedge (12) respectively in activity chamber (13), wedge (12) bottom is connected to on the knockout pin of thin shape hydro-cylinder (3), the both sides that are located wedge (12) in activity chamber (13) are equipped with a pair of fixed clamp tight piece (14) respectively and the activity presss from both sides tight piece (16), the activity presss from both sides tight piece (16) and all installs on slip clamp (15), the back of slip clamp (15) is equipped with inclined plane (22) with wedge (12) assorted, makes the vertical motion of wedge (12) convert the horizontal motion of slip clamp (15) into and forms the clamp and gets the action.

2. The digitally controlled hydraulic clamp of claim 1, wherein: the thin oil cylinders (3) are connected to the same high-pressure oil pipe (4) through joints.

3. The digitally controlled hydraulic clamp of claim 1, wherein: base (1) main part includes a bottom plate (8), the both sides bottom of bottom plate (8) is vertical respectively installs a backup pad (7), the bottom of backup pad (7) then respectively fixed mounting have a fixed plate (6), vertically install one row of baffle (10) on bottom plate (8) top surface, the space is corresponding with activity chamber (13) between adjacent baffle (10), the inside of backup pad (7) is still vertical to be inserted a pair of guide post (9), bottom plate (8), shape framed bent (11) and baffle (10) at both ends all pass guide post (9) and erect in backup pad (7).

4. The digitally controlled hydraulic clamp of claim 3, wherein: the thin oil cylinder (3) is fixedly installed at the bottom of the bottom plate (8) through bolts, an ejector rod of the thin oil cylinder (3) penetrates through the bottom plate (8) and then is connected to the wedge-shaped block (12) through a stud screw (20), and a gasket (19) is further arranged at the joint of the thin oil cylinder and the wedge-shaped block.

5. The digitally controlled hydraulic clamp of claim 3, wherein: the bottom of the sliding clamp body (15) is located in an area between adjacent partition plates (10), the width of the sliding clamp body and the width of the partition plates are matched, a pair of positioning holes (18) are symmetrically formed in the area between the adjacent partition plates (10) on the surface of the bottom plate (8), meanwhile, two rows of positioning ejector rods (21) are respectively installed on two sides of the bottom plate (8), and movable elastic columns (5) are respectively installed at the end portions of the positioning ejector rods (21) and are communicated into the positioning holes (18).

6. The digitally controlled hydraulic clamp of claim 5, wherein: the bottom surface of the sliding clamp body (15) is transversely provided with a clamping groove (23), the bottom of the sliding clamp body (15) is also fixedly provided with a positioning block (17), the positioning block (17) is also clamped in the clamping groove (23), and the bottom of the positioning block (17) extends into a positioning hole (18) below.

7. The digitally controlled hydraulic clamp of claim 3, wherein: shape framed panel (11) are through screw fixed mounting on baffle (10), wedge (12) and slip clamp body (15) are all put from activity chamber (13) central point and are stretched out, activity presss from both sides tight piece (16) fixed mounting on slip clamp body (15), fixed clamp piece (14) fixed mounting is at the both ends of activity chamber (13) inner wall, fixed clamp piece (14) and activity space between the tight piece (16) of activity clamp are anchor clamps promptly.

8. The digitally controlled hydraulic clamp of claim 7, wherein: and the bottom surface of the clamping cavity of the fixed clamping block (14) and the mounting steps at the two ends of the movable cavity (13) are respectively provided with a through discharging hole (24).

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