CN212683216U

CN212683216U - 360-degree equal-division positioning rotary fixture

Info

Publication number: CN212683216U
Application number: CN202021454806.5U
Authority: CN
Inventors: 王文标
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-03-12
Anticipated expiration: 2030-07-22

Abstract

The utility model provides a 360 halving location rotary fixture belongs to the anchor clamps field, include: the clamping mechanism is rotationally arranged and used for clamping a workpiece; the rotating mechanism is concentrically connected with the clamping mechanism and is arranged in a rotating way; and the linkage mechanism is used for enabling the clamping mechanism and the rotating mechanism to synchronously rotate. The utility model discloses an anchor clamps include fixture and rotary mechanism, and fixture and rotary mechanism all can rotate the setting, and the mode that perhaps makes to add holding mechanism and rotary mechanism linkage through rotating fixture like this rotates, can be used for the processing of the specific angle of work piece, is applicable to wire-electrode cutting processing, spark machine processing, pore discharge machining and other suitable scenes.

Description

360-degree equal-division positioning rotary fixture

Technical Field

The utility model belongs to the anchor clamps field, concretely relates to 360 halving location rotary fixture.

Background

Flat tongs are a general fixture, and are usually fixed on machine tool tables such as milling machines and drilling machines to clamp workpieces for cutting. When the clamping device is used, the screw rod is rotated by the wrench, and the movable clamp body is driven to move through the screw rod nut, so that the workpiece is clamped and loosened.

In the process of implementing the invention, the inventor finds that the prior art has at least the following defects:

the existing flat tongs can not rotate at an angle when clamping a workpiece, and can not be used for processing at a specific angle, so that the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

Based on the above background problem, the utility model aims at providing a 360 halving location rotary fixture, on carrying out the basis of centre gripping to the work piece, can realize the rotation of the specific angle of work piece, convenient to use.

In order to achieve the above object, the embodiment of the present invention provides a technical solution:

a 360 ° bisecting positioning rotary fixture, comprising:

the clamping mechanism is rotationally arranged and used for clamping a workpiece;

the rotating mechanism is concentrically connected with the clamping mechanism and is arranged in a rotating way;

and the linkage mechanism is used for enabling the clamping mechanism and the rotating mechanism to synchronously rotate.

In one embodiment, the clamping mechanism and the rotating mechanism are both arranged on the pivot in a penetrating mode, so that the clamping mechanism and the rotating mechanism can be arranged in a rotating mode.

Preferably, the 360 ° equally-positioning rotating jig further includes: and the limiting mechanism is used for limiting the rotating mechanism at a rotating angle.

In one embodiment, the clamping mechanism comprises:

the base is of a concave structure so as to form convex side walls at two ends, and a through hole for the pivot to penetrate through is formed in the base;

the movable pressing block is movably arranged along the extending direction of the base;

and the end part of the screw rod penetrates through the side wall of the bulge of the base and is connected with the movable pressing block so as to drive the movable pressing block to move.

Preferably, a groove for embedding the end part of the screw rod is formed in the surface, connected with the screw rod, of the movable pressing block, the groove is of an inverted T-shaped structure, and the bottom end of the screw rod is provided with a shape and a size matched with the groove.

Preferably, the surface of the movable pressing block, which is far away from the side connected with the screw rod, is provided with an inner recess, and the inner recess is of an inverted V-shaped structure so as to clamp a round workpiece.

In one embodiment, the rotation mechanism comprises: a dial scale;

the chuck, with the calibrated scale coaxial fixation, the peripheral annular evenly distributed of chuck has 36 lugs along the radial extension of chuck, the radian of lug and the radian of the recess between two adjacent lugs are 5 to equally divide chuck 72.

In one embodiment, the limiting mechanism comprises:

the support seat is of an L-shaped structure and consists of a long edge and a short edge, the long edge is parallel to the surface of the rotating mechanism, extends to the pivot and is fixed with the pivot, and the short edge is parallel to the axial direction of the rotating mechanism;

the bayonet lock comprises protruding bolt and concave bolt, protruding bolt and concave bolt can be worn to establish on the supporting seat, it is spacing in the recess between the adjacent lug is inserted to protruding bolt, it is spacing on the lug between the adjacent recess is gone into to concave bolt card.

In one embodiment, the interlocking mechanism includes: and the connecting pin is inserted into corresponding connecting holes formed in the clamping mechanism and the rotating mechanism so as to drive the clamping mechanism and the rotating mechanism to synchronously rotate.

Preferably, the clamp mechanism is provided with 5 connecting holes, and the 5 connecting holes are respectively positioned corresponding to the rotation of 0 °, 1 °, 2 °, 3 ° and 4 °.

Compared with the prior art, the embodiment of the utility model provides a have following effect at least:

1. the utility model discloses an anchor clamps include fixture and rotary mechanism, and fixture and rotary mechanism all can rotate the setting, and the mode that perhaps makes to add holding mechanism and rotary mechanism linkage through rotating fixture like this rotates, can be used for the processing of the specific angle of work piece, is applicable to wire-electrode cutting processing, spark machine processing, pore discharge machining and other suitable scenes.

2. The clamping mechanism of the utility model is provided with a groove on the base, which is convenient for the connection of the screw rod; the utility model discloses a surface that one side was connected with the lead screw is kept away from to activity briquetting has seted up the indent, can be used for circular workpiece's centre gripping, the unstable condition of centre gripping when having solved plane centre gripping circular workpiece.

3. The utility model discloses a spacing subassembly includes the bayonet lock, and the bayonet lock has protruding bolt and concave bolt to constitute, and it is spacing in the recess between the adjacent lug is inserted to protruding bolt, and concave bolt card is gone into spacing on the lug between the adjacent recess, spacing when can matcing different turned angle.

4. The utility model discloses seted up 5 connecting holes, 5 on the clamp mechanism the connecting hole corresponds 0 °, 1 °, 2 °, 3 °, 4 rotational positioning respectively, the utility model discloses a chuck 72 divides equally, and every equalling is 5, combines through both to make turned angle's precision be 1, and then has improved the machining precision greatly.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below.

Fig. 1 is a schematic structural view of a 360 ° positioning rotary fixture in an embodiment of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

fig. 4 is a top view of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings of the specification, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. It should be further noted that the description of the terms "first," "second," etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated.

In order to solve the defect that the existing flat tongs cannot rotate the workpiece, the utility model provides a 360-degree halving positioning rotary fixture, as shown in figures 1-4, comprising: the clamp device comprises a clamp mechanism 1, a rotating mechanism 2, a linkage mechanism 3 and a limiting mechanism 4, wherein the clamp mechanism 1 and the rotating mechanism 2 are concentrically connected, and the clamp mechanism 1 and the rotating mechanism 2 can be rotatably arranged.

In this embodiment, as shown in fig. 1, the clamping mechanism 1 and the rotating mechanism 2 are both disposed on the pivot 5 in a penetrating manner, so that the clamping mechanism 1 and the rotating mechanism 2 can rotate around the pivot 5 to a set angle, it should be noted that the structure of the rotating arrangement of the clamping mechanism 1 and the rotating mechanism 2 is not limited to this, and in another embodiment, a penetrating rod may be vertically disposed at the center of a circle on one side of the rotating mechanism 2, and then the clamping mechanism 1 is disposed on the penetrating rod in a penetrating manner, and the end of the penetrating rod is fixed.

In order to prevent the clamping mechanism 1 and the rotating mechanism 2 from axially shifting during the rotation process, in this embodiment, an annular groove may be formed on the pivot 5 at a position corresponding to the positions of the clamping mechanism 1 and the rotating mechanism 2, and the clamping mechanism 1 and the rotating mechanism are clamped in the annular groove.

In the present embodiment, as shown in fig. 2 to 3, the clamping mechanism 1 includes: a base 101, a movable pressing block 102 and a screw 103.

Specifically, as shown in fig. 3, the base 101 is a concave structure, that is, two ends of the base 101 are provided with convex side walls, as shown in fig. 2, the base 101 is provided with a through hole for the pivot 5 to pass through, so as to avoid the pivot 5 penetrating through the base 101 to affect the movement of the movable pressing block 102, the end surface of the pivot 5 of the embodiment is flush with the surface of the base 101 by 1.

In this embodiment, the movable pressing block 102 is movably disposed along the extending direction of the base 101, taking fig. 3 as an example, the movable pressing block 102 is connected to the base 101 in a vertically sliding manner, specifically, two ends of the movable pressing block 102 vertically extend to form a connecting portion, that is, the top view of the movable pressing block 102 is concave, and the movable pressing block 102 is connected to the side wall of the base 101 in a sliding manner through the connecting portions at the two ends.

In this embodiment, the bottom end of the screw rod 103 penetrates through the convex side wall above the base 101 and is connected with the movable pressing block 102, specifically, as shown in fig. 2, a groove 104 is formed in the upper surface of the movable pressing block 102, the longitudinal section of the groove 104 is of an inverted T-shaped structure, in order to clamp the screw rod 103 into the groove 104 to connect the screw rod 103 and the movable pressing block 102, the bottom end of the screw rod 103 is designed to be of an inverted T-shaped structure, and the bottom end of the screw rod 103 has a size matched with the groove 104.

It should be noted that the connection mode of the screw 103 and the movable pressing block 102 is not limited to the above connection structure, and in other embodiments, the bottom end of the screw 103 and the movable pressing block 102 may be directly fixed, and the fixing mode may be welding or bonding.

In order to match workpieces with different shapes, in this embodiment, as shown in fig. 2, a concave 105 is formed in the lower surface of the movable pressing block 102, and a longitudinal section of the concave 105 is an inverted V shape, so that the lower surface of the movable pressing block 102 has a structure in which two sides are flat and the middle protrudes upward. When the circular workpiece is clamped, the circular workpiece is placed in the concave 105, so that the circular workpiece can be stably clamped; when clamping a planar workpiece, the planar workpiece is placed at the plane of the movable press block 102.

In the present embodiment, as shown in fig. 3 to 4, the rotating mechanism 2 includes: a dial 201 and a chuck 202.

Specifically, the chuck 202 and the dial 201 are coaxially fixed, as shown in fig. 2, 36 protruding blocks 203 extending along the radial direction of the chuck 202 are uniformly distributed on the outer circumference of the chuck 202 in an annular shape, and the radian of each protruding block 203 and the radian of a groove between two adjacent protruding blocks 203 are both 5 °, so that the chuck 72 can be equally divided, and the precision of the rotation angle of the rotation mechanism 2 is 5 °.

The interlocking mechanism 3 is used for realizing the synchronous rotation of the clamping mechanism 1 and the rotating mechanism 2, in this embodiment, the interlocking mechanism 3 is a joint pin, and the joint pin is used for being inserted into corresponding connecting holes formed in the clamping mechanism 1 and the rotating mechanism 2.

When the workpiece is rotated only by the rotating mechanism 2, the adjustment accuracy is 5 °, which results in low processing accuracy, for this reason, in this embodiment, 5 connecting holes I301 are formed in the base 101 of the clamping mechanism 1, specifically, as shown in fig. 1-2, the 5 connecting holes I301 correspond to rotational positioning of 0 °, 1 °, 2 °, 3 °, and 4 °, respectively, where the connecting hole I301 corresponding to 0 ° is located on a central vertical line of the clamping mechanism 1; and a connecting hole II corresponding to the connecting hole I301 is formed on the chuck 202 and/or the dial 201 of the rotating mechanism 2.

When the angle of the workpiece needing to rotate is less than 5 degrees, the joint pin does not need to be inserted at the moment, the clamp mechanism 1 can be directly rotated, taking the rotation angle as 3 degrees as an example, the base 101 of the clamp mechanism 1 is rotated, the connecting hole I301 corresponding to 3 degrees is positioned on the central vertical line of the base 101, and then the joint pin is inserted to limit the clamp mechanism 1 at the rotation angle.

When the angle of rotation of the workpiece is greater than 5 degrees, taking the rotation of 8 degrees as an example, the connecting pin is not inserted at this time, the base 101 of the clamping mechanism 1 is rotated, the connecting hole I301 corresponding to 3 degrees is positioned on the central vertical line of the base 101, then the connecting pin is inserted into the connecting hole I301 corresponding to 3 degrees, at this time, the rotating mechanism 2 is rotated by 5 degrees in the minimum unit, the rotating mechanism 2 drives the clamping mechanism 1 to synchronously rotate by 5 degrees in the minimum unit, and the clamping mechanism 1 (workpiece) is rotated by 8 degrees twice.

In order to facilitate rotation indication, the dial 201 is provided with scale values, as shown in fig. 3, in this embodiment, a pointer 6 is further provided above the dial 201, the setting position of the pointer 6 corresponds to the position of the 0 ° hole site, specifically, the pointer 6 is in an L-shaped structure and includes a long side and a short side, the long side of the pointer 6 is parallel to the axial direction of the rotating mechanism 2, and is fixed at the top end of the base 201 through a fastener.

In order to limit the rotation angle of the clamping mechanism 1, in the present embodiment, as shown in fig. 2 and 4, the limiting mechanism 4 includes a supporting seat 401, a male latch 402 and a female latch 403.

As shown in fig. 4 and 1, the support seat 401 is an L-shaped structure, and is composed of a long side and a short side, the long side of the support seat 401 is parallel to the surface of the rotating mechanism 2, extends to the pivot 5, and is fixed to the pivot 5, and the short side of the support seat 401 is parallel to the axial direction of the rotating mechanism 2; as shown in fig. 2, a slot is formed in the support seat 401 along the horizontal radial direction of the rotating mechanism 2, and the male plug 402 and the female plug 403 can pass through the slot for limiting.

Specifically, the male plug 402 can be inserted into a groove between adjacent protrusions 203 for limiting, and the female plug 403 can be clamped into the protrusion 203 between adjacent grooves for limiting.

The fixture of the embodiment can realize the machining positioning of 360-degree angles in mechanical machining, the reference does not need to be found again after the fixture is positioned once, the angles are switched without re-fetching, the machining efficiency and the machining precision are greatly improved, and the fixture is suitable for linear cutting machining, spark machining, fine hole discharge machining and other application scenes.

It should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A360 DEG halving positioning rotary fixture is characterized by comprising:

2. A 360 ° equally-positioning rotary fixture as claimed in claim 1, wherein said clamping mechanism and said rotating mechanism are both pivotally mounted to enable rotational positioning of the clamping mechanism and the rotating mechanism.

3. The 360 ° indexing rotary fixture of claim 2, further comprising:

and the limiting mechanism is used for limiting the rotating mechanism at a rotating angle.

4. A 360 ° indexing rotary fixture according to claim 2, wherein the clamping mechanism comprises:

5. The 360 ° equally-divided positioning rotary fixture according to claim 4, wherein the surface of the movable pressing block connected to the screw rod is provided with a groove for embedding the end of the screw rod, the groove is in an inverted T-shaped structure, and the bottom end of the screw rod has a shape and a size matched with those of the groove.

6. The 360 ° equally-divided positioning rotary fixture according to claim 4, wherein the surface of the movable pressing block away from the side connected with the screw rod is provided with an indent, and the indent is of an inverted V-shaped structure to clamp a circular workpiece.

7. A 360 ° indexing rotary fixture according to claim 3, wherein the rotary mechanism comprises:

a dial scale;

8. The 360 ° aliquot positioning rotary fixture of claim 7, wherein the stop mechanism comprises:

9. The 360 ° equi-positioning rotary jig of claim 1, wherein the interlocking mechanism comprises:

and the connecting pin is inserted into corresponding connecting holes formed in the clamping mechanism and the rotating mechanism so as to drive the clamping mechanism and the rotating mechanism to synchronously rotate.

10. A 360 ° positioning rotary clamp according to claim 9, wherein the clamp mechanism has 5 connecting holes, and the 5 connecting holes are respectively corresponding to 0 °, 1 °, 2 °, 3 °, and 4 ° rotary positioning.