CN218225615U - Adjustable milling, clamping and positioning device for variable pitch disc or opening frame parts - Google Patents

Abstract

The utility model relates to a milling clamping positioning device with adjustable variable distance for disc or mouth frame parts, belonging to the technical field of milling clamping positioning; the tool comprises a tool substrate, wherein a convex block is fixedly arranged in the middle of the upper end face of the tool substrate, two first T-shaped keys are connected in a front-back sliding mode in a first T-shaped groove in the upper end face of the convex block, a cylindrical pin and a trimming pin are respectively screwed on the two first T-shaped keys, two symmetrical movable plates are respectively connected in a sliding mode on two sides of the convex block, a plurality of second T-shaped grooves in the front-back direction are arranged on the upper end face of each movable plate, a second T-shaped key is connected in the first T-shaped groove in a sliding mode, workpiece fastening screws are screwed on the second T-shaped keys, positioning threaded holes are arranged in the tool substrate along the left-right direction, waist circular grooves are formed in the movable plates and correspond to the positioning threaded holes, and the tool fastening screws penetrate through the waist circular grooves and are screwed with the positioning threaded holes; the problems of low efficiency and material waste caused by the fact that tools need to be redesigned when the aperture and the pitch of holes of disc type or opening frame type parts are changed are solved.

Description

Adjustable milling, clamping and positioning device for variable pitch disc or opening frame parts

Technical Field

The utility model belongs to the technical field of mill the clamping location, concretely relates to dish class or mouthful frame class part displacement adjustable mills clamping positioner.

Background

In the technical field of machining of mechanical product parts. Many disc type or mouth frame type parts often involve the hole of last process as the benchmark of part, carry out subsequent handling location and fixed clamping and use, guarantee the size of part relevant characteristic and geometric tolerances accuracy requirement. At present, a corresponding special tool is usually manufactured by one part on the spot, the application range is single, and the universality and the flexibility are lacked. Aiming at disc parts and opening frame parts with different sizes and shapes, new tools are often required to be redesigned; when different apertures and pitches of parts with the same shape are changed, a new tool needs to be redesigned. Therefore, on one hand, the tooling preparation time is long, and the production efficiency is low; on the other hand, the material aspect also causes great waste.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the defects of the prior art and provides a milling clamping positioning device with adjustable variable pitch for disc or opening frame parts; the problem of dish class or mouthful frame class part need redesign frock when aperture and pitch-row change and lead to inefficiency, the material is extravagant is solved.

In order to achieve the purpose, the utility model is realized by the following technical scheme.

The milling, clamping and positioning device comprises a tool substrate, wherein a convex block is fixedly arranged in the middle of the upper end face of the tool substrate and is arranged along the front-back direction, a first T-shaped groove is formed in the upper end face of the convex block, two first T-shaped keys are slidably connected inside the first T-shaped groove, a cylindrical pin and a trimming pin are respectively screwed on the two first T-shaped keys, a first movable plate and a second movable plate which are symmetrical are respectively and slidably connected to the two sides of the convex block on the upper end face of the tool substrate, a plurality of second T-shaped grooves in the front-back direction are formed in the upper end face of the first movable plate, a second T-shaped key is slidably connected inside the first T-shaped groove, a workpiece fastening screw is screwed on the second T-shaped key, positioning threaded holes are formed in the tool substrate in a left-right direction arrangement mode, a waist-shaped groove is formed in the first movable plate corresponding to the positioning threaded holes, and the tool fastening screw penetrates through the waist-shaped groove and is screwed with the positioning threaded holes.

Furthermore, the lug is a square block structure, the distance between the lug and the left end and the distance between the lug and the right end of the tooling substrate are equal, and the front end and the rear end of the lug extend to the end faces of the front side and the rear side of the tooling substrate respectively.

Furthermore, the first T-shaped groove is communicated with the front end face and the rear end face of the bump.

Further, the lug is equallyd divide the up end of frock base plate into half left and half right, and half left and half right is gone up the symmetry respectively and is provided with two U type location keyways, U type location keyway extends the setting along the left and right sides direction of frock base plate to be linked together with half left and half right outside terminal surface of keeping away from the lug respectively.

Furthermore, a row of positioning threaded holes which are evenly spaced are respectively arranged on the edges of the front end and the rear end of the left half part and the right half part, and the positioning threaded holes are arranged in the left-right direction.

Further, the lower terminal surface of first fly leaf is provided with two U type navigation keys, and two U type navigation keys all extend the setting along left right direction to two U type navigation keys joint respectively in two U type navigation key grooves on half one on the left side, thereby make first fly leaf can be in half one upper end horizontal slip on the left side.

Furthermore, the front end edge and the rear end edge of the upper end face of the first movable plate are respectively and symmetrically provided with a square groove, the bottom face of each square groove is provided with a waist circular groove, each waist circular groove is of a long circular hole structure, the length direction of each waist circular groove is in the left-right direction, and the waist circular grooves are communicated with the bottom face of the first movable plate.

Furthermore, the upper end face of the first movable plate is provided with a row of second T-shaped grooves at uniform intervals along the left-right direction, and the second T-shaped grooves are respectively communicated with the square grooves at the front end and the rear end.

Furthermore, the first movable plate is of a square plate-shaped structure, and the horizontal section shape and the volume of the first movable plate are the same as the left half part of the upper end face of the tooling substrate.

Further, the second movable plate has the same structure as the first movable plate except that the second movable plate and the first movable plate are arranged in left-right mirror symmetry with respect to the bump.

The utility model discloses produced beneficial effect for prior art does:

(1) The device utilizes a one-side two-pin positioning principle to realize complete positioning. The variable pitch is adjustable, and the variable pitch in the X direction is realized by sliding the movable plate on the tool substrate; the edge cutting pin and the cylindrical pin are designed to be variable in size, the positioning device can be suitable for positioning reference positioning holes with different diameters, and the universality is strong and the device is suitable for various machining environments.

(2) The adjustable variable-pitch positioning device is simple in structure, convenient to manufacture and reliable and flexible in positioning, can finish variable-pitch adjustable positioning and clamping only by selecting the cylindrical pins and the edge trimming pins with different sizes according to the sizes of the positioning holes of the disc parts or the mouth frame parts with different shapes and sizes, and has good popularization and application values.

Drawings

The invention will be described in further detail with reference to the accompanying drawings:

FIG. 1 is an exploded view I of the present invention when clamping a workpiece;

FIG. 2 is an exploded view II of the workpiece clamping device of the present invention;

FIG. 3 is an exploded view of the workpiece clamping apparatus of the present invention;

fig. 4 is a plan view of the entire invention;

FIG. 5 is a sectional view taken along line B-B of FIG. 4;

FIG. 6 is a perspective view of a tooling substrate;

FIG. 7 is a top view of the tooling substrate;

FIG. 8 isbase:Sub>A sectional view A-A of FIG. 7;

fig. 9 is a first perspective view of the first movable plate;

fig. 10 is a second schematic perspective view of the first movable plate;

fig. 11 is a bottom view of the first movable plate;

FIG. 12 is a schematic perspective view of a workpiece;

FIG. 13 is a schematic view of the structure of a first T-key and a second T-key;

FIG. 14 is a schematic structural view of a cylindrical pin;

FIG. 15 is (a) a front view of the chamfered pin, (b) a plan view of the chamfered pin, and (c) a sectional view of the chamfered pin;

fig. 16 (a) is a front view of the workpiece-fastening screw, (b) is a plan view of the workpiece-fastening screw, and (c) is a cross-sectional view of the workpiece-fastening screw;

fig. 17 (a) is a front view of a tool fastening screw, (b) is a plan view of the tool fastening screw, and (c) is a sectional view of the tool fastening screw;

the tool comprises a tool substrate 1, a first movable plate 2, a second movable plate 3, a first T-shaped key 4, a second T-shaped key 5, a chamfered pin 6, a cylindrical pin 7, a workpiece fastening screw 8, a workpiece 9, a tool fastening screw 10, a bump 11, a first T-shaped groove 12, a U-shaped positioning key groove 13, a positioning threaded hole 14, a U-shaped positioning key 15, a square groove 16, a circular groove 17, a second T-shaped groove 18 and a positioning hole 19.

Detailed Description

In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the accompanying drawings, but the scope of protection is not limited thereto.

As shown in fig. 1-17, the utility model provides a dish class or an adjustable clamping positioner that mills of a mouthful frame class part displacement, including frock base plate 1, first fly leaf 2, second fly leaf 3, T type key, work piece 9 set screw, cylindric lock 7, edging round pin 6, frock fastening screw 10.

The tooling substrate 1 is of a horizontally arranged square plate-shaped structure, and a projection 11 extending in the front-back direction is arranged in the middle of the upper end face of the tooling substrate. The lug 11 is a square block structure, the distance between the lug 11 and the left end and the distance between the right end and the left end of the tooling substrate 1 are equal, and the front end and the rear end of the lug extend to the end faces of the front side and the rear side of the tooling substrate 1 respectively. A first T-shaped groove 12 is formed in the upper end surface of the bump 11 along the front-rear direction, and the first T-shaped groove 12 is communicated with the front-rear end surface of the bump 11. Two first T-shaped keys 4 are connected in the first T-shaped groove 12 in a sliding mode, the upper end of each first T-shaped key 4 extends out of the opening of the first T-shaped groove 12, and a threaded hole which is through up and down is formed in the upper end face of each first T-shaped key 4. A cylindrical pin 7 is screwed in the threaded hole of the first T-shaped key 4 at the front side, and a chamfered pin 6 is screwed in the threaded hole of the first T-shaped key 4 at the rear side. The lower part of the cylindrical pin 7 is provided with threads for being in threaded connection with the first T-shaped key 4; the upper end is provided with a straight groove for applying force, so that the tool base plate 1 is fixed in position when the tool base plate is screwed with the first T-shaped key 4. The lower part of the trimming pin 6 is provided with threads for being in threaded connection with the first T-shaped key 4; the pin edge pin can be designed with various diameter sizes to match with the positioning holes 19 with different sizes of the workpiece 9 for positioning.

The lug 11 is divided equally into half left and half right with the up end of frock base plate 1, and the symmetry is provided with two U type location keyway 13 on half left and the half right respectively, U type location keyway 13 extends the setting along the left and right directions of frock base plate 1 to the outside terminal surface of lug 11 is kept away from with half left and half right respectively and is linked together. The left half part and the right half part are respectively provided with a row of positioning threaded holes 14 at uniform intervals on the edges of the front end and the rear end, and the positioning threaded holes 14 are arranged in a left-right direction.

The first movable plate 2 and the second movable plate 3 have the same structure and are respectively connected to the left half part and the right half part of the upper end surface of the tooling substrate 1 in a sliding manner.

The first movable plate 2 is a square plate-shaped structure, and the horizontal cross-sectional shape and the volume of the first movable plate are the same as the left half part of the upper end surface of the tooling substrate 1. The lower terminal surface of first fly leaf 2 is provided with two U type navigation keys 15, and two U type navigation keys 15 all extend along left right direction and set up to two U type navigation keys 15 joint respectively in two U type navigation key ways 13 on half one on the left side, thereby make first fly leaf 2 can be in half one on the left side upper end horizontal slip. The first movable plate 2 is provided with a positioning reference by providing a U-shaped positioning key 15 and a U-shaped positioning key groove 13 which are in sliding fit with each other.

The front and rear edges of the upper end surface of the first movable plate 2 are symmetrically provided with a square groove 16, and the square grooves 16 are arranged along the left and right direction and are respectively communicated with the left and right end surfaces of the first movable plate 2. A waist circular groove 17 is arranged at the bottom surface of each square groove 16, the waist circular groove 17 is of a long circular hole structure, the length direction of the waist circular groove 17 is the left-right direction, and the waist circular groove 17 is communicated with the bottom surface of the first movable plate 2. When the first movable plate 2 is slidably connected to the tooling base plate 1, the two waist-shaped circular grooves 17 on the first movable plate 2 correspond to the two rows of positioning threaded holes 14 on the left half portion of the upper end surface of the tooling base plate 1 respectively. Two tool fastening screws 10 are respectively arranged inside each waist circular groove 17, and the tool fastening screws 10 respectively penetrate through the waist circular grooves 17 and are in threaded connection with the positioning threaded holes 14 on the left half part, so that the first movable plate 2 is fixed on the left half part of the tool base plate 1. When the first movable plate 2 is adjusted in a sliding manner, the tool fastening screw 10 is screwed down to adjust the first movable plate 2, and after the adjustment is completed, the tool fastening screw 10 is screwed with the corresponding positioning threaded hole 14, so that the adjusted first movable plate 2 is fastened on the tool base plate 1.

The upper end face of the first movable plate 2 is provided with a row of second T-shaped grooves 18 at even intervals along the left-right direction, and the second T-shaped grooves 18 extend along the front-back direction and are respectively communicated with the square grooves 16 at the front end and the rear end. A second T-shaped key 5 is connected in the second T-shaped groove 18 in a sliding mode, the upper end of the second T-shaped key 5 extends out of the outer side of the second T-shaped groove 18, and a threaded hole which penetrates through the second T-shaped groove is formed in the upper end face of the second T-shaped key. A workpiece fastening screw 8 is screwed in the threaded hole in the second T-shaped key 5.

The second movable plate 3 has the same structure as the first movable plate 2, except that the second movable plate 3 is arranged in left-right mirror symmetry with respect to the protrusion 11, and the second movable plate 3 is slidably connected to the right half of the upper end surface of the tooling substrate 1 through two U-shaped positioning keys 15.

The utility model discloses a theory of operation does:

when a disc or mouth frame part is clamped by taking the hole of the previous process as the reference positioning of the part, firstly, the tool substrate 1 is fixed on the workbench of a machine tool, and is aligned and kept fixed; then the first movable plate 2 and the second movable plate 3 are placed on the left half part and the right half part of the upper end surface of the tooling substrate 1, and are matched and positioned through the U-shaped positioning key 15 and the U-shaped positioning key groove 13 which are in sliding fit with each other. Then, the two first T-shaped keys 4 are respectively adjusted to the positions corresponding to the front and rear two positioning holes 19 of the workpiece 9, and the cylindrical pin 7 and the chamfered pin 6 respectively penetrate through the front and rear two positioning holes 19 of the workpiece 9 and are in threaded connection with the two first T-shaped keys 4, so that the front and rear two positioning holes 19 of the workpiece 9 are in threaded connection with the first T-shaped keys 4. The positions of the first movable plate 2 and the second movable plate 3 are adjusted, the two second T-shaped keys 5 are respectively adjusted to the positions corresponding to the left and right two positioning holes 19 of the workpiece 9, and the two workpiece fastening screws 8 respectively penetrate through the left and right two positioning holes 19 of the workpiece 9 and are in threaded connection with the two second T-shaped keys 5, so that the two workpiece fastening screws 8 fasten the workpiece 9 with the two movable plates. Finally, the tooling fastening screws 10 pass through the waist circular slots 17 on the first movable plate 2 and the second movable plate 3 to be in bolt connection with the positioning threaded holes 14 on the tooling substrate 1, and the first movable plate 2 and the second movable plate 3 are fixedly connected with the tooling substrate 1. The variable-pitch adjustable milling, clamping and positioning of the workpiece 9 can be completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The utility model provides a disc class or mouthful frame class part displacement adjustable milling clamping positioner which characterized in that: the tooling comprises a tooling substrate (1), a convex block (11) is fixedly arranged in the middle of the upper end face of the tooling substrate (1), the convex block (11) is arranged along the front-back direction, a first T-shaped groove (12) is arranged on the upper end face of the convex block (11), two first T-shaped keys (4) are connected in the first T-shaped groove (12) in a sliding mode, a cylindrical pin (7) and a trimming pin (6) are respectively connected on the two first T-shaped keys (4) in a threaded mode, a first movable plate (2) and a second movable plate (3) which are symmetrical are respectively connected on the two sides of the convex block (11) in a sliding mode on the upper end face of the tooling substrate (1), a plurality of second T-shaped grooves (18) in the front-back direction are arranged on the upper end face of the first movable plate (2), a second T-shaped key (5) is connected in the first T-shaped groove (12) in a sliding mode, workpiece fastening screws (8) are connected on the second T-shaped key (5) in a threaded mode, positioning screws (14) are arranged on the tooling substrate (1) along the left-right direction, positioning circular positioning grooves (14) are arranged correspondingly, and threaded holes (17), and a fastening circular waist-fastening screw hole (17) penetrates through the threaded hole (17).

2. The milling, clamping and positioning device with adjustable variable pitch for disc or opening frame parts according to claim 1, characterized in that: the lug (11) is of a square block structure, the distance between the lug (11) and the left end and the distance between the right end and the left end of the tooling substrate (1) are equal, and the front end and the rear end of the lug extend to the end faces of the front side and the rear side of the tooling substrate (1) respectively.

3. The milling, clamping and positioning device with adjustable variable pitch for disc or opening frame parts according to claim 1, characterized in that: the first T-shaped groove (12) is communicated with the front end surface and the rear end surface of the bump (11).

4. The milling, clamping and positioning device with the adjustable variable pitch for disc or mouth frame parts according to claim 1, characterized in that: lug (11) are divided equally into half left and half right with the up end of frock base plate (1), and the symmetry is provided with two U type location keyway (13) respectively on half left and half right, U type location keyway (13) extend the setting along the left and right direction of frock base plate (1) to the outside terminal surface of lug (11) is kept away from with half left and half right respectively and is linked together.

5. The milling, clamping and positioning device with the adjustable variable pitch for disc or mouth frame parts according to claim 4, characterized in that: the left half part and the right half part are respectively provided with a row of positioning threaded holes (14) at uniform intervals on the edges of the front end and the rear end, and the positioning threaded holes (14) are arranged along the left-right direction.

6. The milling, clamping and positioning device with the adjustable variable pitch for disc or mouth frame parts according to claim 4, characterized in that: the lower terminal surface of first fly leaf (2) is provided with two U type navigation key (15), and two U type navigation key (15) all extend the setting along left right direction to two U type navigation key (15) joint respectively in two U type navigation key grooves (13) on half one on the left side, thereby make first fly leaf (2) can be in half one upper end horizontal slip on the left side.

7. The milling, clamping and positioning device with adjustable variable pitch for disc or opening frame parts according to claim 1, characterized in that: the front end edge and the rear end edge of the upper end face of the first movable plate (2) are respectively and symmetrically provided with a square groove (16), the bottom face of each square groove (16) is provided with a waist circular groove (17), each waist circular groove (17) is of a long round hole structure, the length direction of each waist circular groove (17) is in the left-right direction, and each waist circular groove (17) is communicated with the bottom face of the first movable plate (2).

8. The milling, clamping and positioning device with the adjustable variable pitch for disc or mouth frame parts according to claim 7, is characterized in that: the upper end face of the first movable plate (2) is evenly provided with a row of second T-shaped grooves (18) at intervals along the left-right direction, and the second T-shaped grooves (18) are respectively communicated with the square grooves (16) at the front end and the rear end.

9. The milling, clamping and positioning device with the adjustable variable pitch for disc or mouth frame parts according to claim 4, characterized in that: the first movable plate (2) is of a square plate-shaped structure, and the horizontal cross section shape and the volume of the first movable plate are the same as the left half part of the upper end face of the tooling substrate (1).

10. The milling, clamping and positioning device with adjustable variable pitch for disc or opening frame parts according to claim 1, characterized in that: the second movable plate (3) has the same structure as the first movable plate (2), and is different from the first movable plate in that the second movable plate and the first movable plate are arranged in a mirror symmetry manner in the left and right directions with respect to the bump (11).

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