CN217728522U - Precise mechanical clamp - Google Patents

Abstract

The utility model discloses a precision mechanical fixture, which comprises a main body, wherein a fixed plate is fixed at the end part of the main body, a positioning plate is fixed at the end part of the fixed plate, a groove is formed at the end part of the main body, a through groove is formed in the groove in a penetrating way, and an adjusting screw rod is screwed in the through groove; the utility model discloses a recess of design, run through the groove, adjusting screw, a bearing, operation piece and block rubber, can realize carrying out accurate regulation to the centre gripping dynamics of spacing splint, in order to avoid appearing the too big circumstances that leads to precision machine part to take place to warp or the surperficial mar that produces of centre gripping dynamics, the spread groove of cooperation design simultaneously, a connecting block, through hole and dead lever, can also play the guide effect to spacing splint, so that spacing splint can be steady remove the adjusting position, current technique compares, the centre gripping fixed work to precision machine part has been made things convenient for greatly.

Description

Precise mechanical clamp

Technical Field

The utility model belongs to the technical field of precision machinery anchor clamps, concretely relates to precision machinery anchor clamps.

Background

When a precision machine part is machined, the part or a product must be reliably clamped and fixed on a worktable of a machine tool, generally, the part or the product is clamped and fixed by a clamp applying a clamping force, and the clamp is commonly used in a machine manufacturing process.

When the existing precision mechanical clamp is used for clamping and fixing precision mechanical parts, the existing precision mechanical clamp is generally positioned by squeezing through a clamping plate, but the clamping force of the clamping plate can not be accurately adjusted in the clamping process, so that the situation that scratches or deformation occur on the surfaces of the clamped precision mechanical parts is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate mechanical fixture to solve the problem of the unable accurate regulation centre gripping dynamics of this accurate mechanical fixture who proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an accurate mechanical fixture, includes the main part, the end fixing of main part has the fixed plate, the end fixing of fixed plate has the locating plate, the tip of main part is seted up flutedly, the inside of recess is run through and has been seted up and has been run through the groove, the inside twist that runs through the groove is closed and is connected with adjusting screw, the centre gripping dynamics of adjusting limit splint that can be accurate, the tip of main part is provided with the limit splint of being connected with the inboard laminating of fixed plate, can carry out the centre gripping to accurate mechanical part, be connected with the bearing between adjusting screw's one end and the limit splint, the spread groove has been seted up to the inboard of fixed plate, the end fixing of limit splint has the connecting block, connecting block and spread groove sliding connection can play the guide effect to limit splint, the through hole has been seted up on the surface of connecting block, the inside of spread groove is fixed with the dead lever that runs through the through hole inside, the inboard impartial distance of locating plate and limit splint is fixed with the rubber block, adjusting screw's the other end is fixed with the operation block, can drive adjusting screw and rotate.

Preferably, the bilateral symmetry of operation piece has seted up built-in groove, can let the action bars rotate foldingly, the bilateral symmetry of operation piece is provided with the action bars of being connected with built-in groove block, the inboard symmetry of built-in groove has seted up the spiral groove, the tip symmetry of action bars is fixed with revolves the piece, revolve the piece and revolve groove swivelling joint, can drive the action bars and rotate, the inner wall symmetry of revolving the groove is fixed with fixed tooth, the surperficial equidistance of revolving the piece is fixed with spacing tooth, spacing tooth and fixed tooth block joint can carry out spacing fixed to the action bars.

Preferably, the surface of action bars is provided with the graininess arch, is convenient for play anti-skidding effect, the interval between the graininess arch is one millimeter.

Preferably, the end part of the fixed teeth is arc-shaped, so that the fixed teeth can be connected with the limiting teeth in a clamping manner, and the fixed teeth are attached to the surfaces of the limiting teeth.

Preferably, the cross section of revolving the piece is circular, can drive to revolve the piece and revolve the inside rotation in revolving the groove, revolve the piece and revolve the inner wall laminating in groove.

Preferably, the corners of the surface of the main body are symmetrically provided with mounting holes, the main body can be mounted and fixed, and the diameter of each mounting hole is one point and five centimeters.

Preferably, the cross section of connecting block is the rectangle, can let the connecting block slide in the inside of spread groove, the tip of connecting block is the arc.

Preferably, the width of spacing splint is three centimetres, can carry out the centre gripping to precision machinery part, spacing splint equals with the width of locating plate.

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

the utility model discloses a recess of design, run through the groove, adjusting screw, a bearing, operation piece and block rubber, can realize carrying out accurate regulation to the centre gripping dynamics of spacing splint, in order to avoid appearing the too big circumstances that leads to precision machine part to take place to warp or the surperficial mar that produces of centre gripping dynamics, the spread groove of cooperation design simultaneously, a connecting block, through hole and dead lever, can also play the guide effect to spacing splint, so that spacing splint can be steady remove the adjusting position, current technique compares, the centre gripping fixed work to precision machine part has been made things convenient for greatly.

Drawings

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

fig. 2 is an enlarged schematic view of the utility model at a in fig. 1;

FIG. 3 is a schematic view of the spiral groove structure of the present invention;

in the figure: 1. a main body; 2. a fixing plate; 3. positioning a plate; 4. a groove; 5. a through groove; 6. adjusting the screw rod; 7. a limiting clamp plate; 8. a bearing; 9. connecting grooves; 10. connecting blocks; 11. a through hole; 12. fixing the rod; 13. a rubber block; 14. an operation block; 15. a built-in groove; 16. an operating lever; 17. rotating the groove; 18. rotating the block; 19. fixing teeth; 20. and a limiting tooth.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a precision machinery anchor clamps, including main part 1, the end fixing of main part 1 has fixed plate 2, the end fixing of fixed plate 2 has locating plate 3, recess 4 has been seted up to the tip of main part 1, can accomodate bearing 8, recess 4's inside runs through to have seted up and runs through groove 5, the inside of running through groove 5 is twisted and is connected with adjusting screw 6, the tip of main part 1 is provided with the spacing splint 7 of being connected with the inboard laminating of fixed plate 2, cooperate through spacing splint 7 and locating plate 3, can carry out the centre gripping to precision machinery part and fix, be connected with bearing 8 between adjusting screw 6's one end and the spacing splint 7, spread groove 9 has been seted up to the inboard of fixed plate 2, the end fixing of spacing splint 7 has connecting block 10, through connecting block 10 and spread groove 9 sliding connection, can play the guide effect to spacing splint 7, through hole 11 has been seted up on the surface of connecting block 10, the inside of spread groove 9 is fixed with the dead lever 12 that runs through inside of through locating plate 11, 3 and the inboard impartial distance of through locating plate 7 is fixed with rubber block 13, adjusting screw 6 is fixed with, adjusting screw 6's the other end fixing block is fixed with operation piece 14, through operation block 14, through rotation operation block 14, can drive adjusting screw 6 and rotate.

In this embodiment, preferably, the operation block 14 has two symmetrical sides provided with the built-in grooves 15, the operation block 14 has two symmetrical sides provided with the operation levers 16 engaged with the built-in grooves 15, the operation block 14 can be shifted to rotate, the inner sides of the built-in grooves 15 have symmetrically provided with the rotation grooves 17, the end portions of the operation levers 16 have symmetrically fixed rotation blocks 18, the operation levers 16 can rotate through the rotational connection of the rotation blocks 18 and the rotation grooves 17, the inner walls of the rotation grooves 17 have symmetrically fixed teeth 19, the surfaces of the rotation blocks 18 have equidistantly fixed limit teeth 20, the limit teeth 20 are engaged with the fixed teeth 19, and the operation levers 16 can be limited.

In this embodiment, preferably, the surface of the operating rod 16 is provided with granular protrusions which can play a role in skid resistance, the distance between the granular protrusions is one millimeter, the end of each fixed tooth 19 is arc-shaped, the fixed teeth 19 can be clamped and connected with the limiting teeth 20, the fixed teeth 19 can be attached to the surfaces of the limiting teeth 20, the cross section of each rotary block 18 is circular, the rotary blocks 18 can rotate inside the rotary grooves 17, the rotary blocks 18 can be attached to the inner walls of the rotary grooves 17, mounting holes are symmetrically formed in the corners of the surfaces of the main bodies 1, the main bodies 1 can be fixed on a machine tool through the mounting holes, the diameter of each mounting hole is one-to-five centimeters, the cross section of each connecting block 10 is rectangular, the connecting blocks 10 can be slidably connected with the connecting grooves 9, the end of each connecting block 10 is arc-shaped, the width of each limiting clamp plate 7 is three centimeters, precision mechanical parts can be clamped by the limiting clamp plates 7 and the positioning plates 3, and the limiting clamp plates 7 are equal to the positioning plates 3.

The utility model discloses a theory of operation and use flow: the utility model discloses when needs carry out the centre gripping fixed to precision machinery, place precision machinery in locating plate 3 and spacing splint 7's inboard earlier, stir action bars 16 afterwards, make its inside removal at built-in groove 15, and it is rotatory in the inside of spiral groove 17 to drive spiral piece 18, it extrudees with spacing tooth 20 friction to drive fixed tooth 19 simultaneously, it is parallel with action bars 14 to make action bars 16 rotatory, it just can carry on spacingly to action bars 16 to be connected through fixed tooth 19 and 20 blocks of spacing tooth afterwards, after that, rotate action bars 14 through action bars 16, make it drive adjusting screw 6 in the inside rotation that runs through groove 5, and it promotes spacing splint 7 and remove at fixed plate 2's inboard to drive bearing 8, it plays the guide effect to drive connecting block 10 simultaneously in the inside slip of spread groove 9, at this moment, through hole 11 also slides spacingly to connecting block 10 at dead lever 12 surface, after spacing splint 7 and precision machinery's side laminating, can cooperate locating plate 3 to fix the centre gripping to precision machinery, rubber block 13 through the design can protect mechanical surface, prevent that the centre gripping too closely from appearing the mar simultaneously.

Although embodiments of the present invention have been shown and described (with particularity and detail in the foregoing description), 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 (8)

1. A precision mechanical clamp comprises a main body (1), and is characterized in that: the end part of the main body (1) is fixed with a fixing plate (2), the end part of the fixing plate (2) is fixed with a positioning plate (3), the end part of the main body (1) is provided with a groove (4), the inside of the groove (4) is provided with a through groove (5) in a penetrating way, the inside of the through groove (5) is connected with an adjusting screw rod (6) in a screwing way, the end part of the main body (1) is provided with a limit clamp plate (7) which is connected with the inner side of the fixing plate (2) in a laminating way, a bearing (8) is connected between one end of the adjusting screw rod (6) and the limit clamp plate (7), connecting groove (9) have been seted up to the inboard of fixed plate (2), the end fixing of spacing splint (7) has connecting block (10), connecting block (10) and connecting groove (9) sliding connection, through hole (11) have been seted up in the surface run-through of connecting block (10), the inside of connecting groove (9) is fixed with and runs through dead lever (12) inside through hole (11), the inboard impartial distance of locating plate (3) and spacing splint (7) is fixed with rubber block (13), the other end of adjusting screw (6) is fixed with operation piece (14).

2. A precision mechanical chuck as claimed in claim 1, wherein: built-in grooves (15) have been seted up to the bilateral symmetry of operation piece (14), the bilateral symmetry of operation piece (14) is provided with action bars (16) of being connected with built-in groove (15) block, spiral groove (17) have been seted up to the inboard symmetry of built-in groove (15), the tip symmetry of action bars (16) is fixed with revolves piece (18), revolve piece (18) and spiral groove (17) swivelling joint, the inner wall symmetry of revolving groove (17) is fixed with fixed tooth (19), the surface equidistance of revolving piece (18) is fixed with spacing tooth (20), spacing tooth (20) and fixed tooth (19) block are connected.

3. A precision mechanical chuck as in claim 2, wherein: the surface of the operating rod (16) is provided with granular protrusions, and the distance between the granular protrusions is one millimeter.

4. A precision mechanical chuck as in claim 2, wherein: the end part of the fixed teeth (19) is arc-shaped, and the fixed teeth (19) are attached to the surface of the limiting teeth (20).

5. A precision mechanical chuck as set forth in claim 2, wherein: the cross section of the rotary block (18) is circular, and the rotary block (18) is attached to the inner wall of the rotary groove (17).

6. A precision mechanical chuck as set forth in claim 1, wherein: the surface corner of main part (1) has seted up the mounting hole symmetrically, the diameter of mounting hole is one point five centimetres.

7. A precision mechanical chuck as claimed in claim 1, wherein: the cross section of the connecting block (10) is rectangular, and the end part of the connecting block (10) is arc-shaped.

8. A precision mechanical chuck as claimed in claim 1, wherein: the width of the limiting clamping plate (7) is three centimeters, and the width of the limiting clamping plate (7) is equal to that of the positioning plate (3).

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