CN213970777U

CN213970777U - Cylinder indexing clamp

Info

Publication number: CN213970777U
Application number: CN202022717605.6U
Authority: CN
Inventors: 谢先能; 王大专
Original assignee: Shenzhen Aoshun Precision Technology Co ltd
Current assignee: Shenzhen Aoshun Precision Technology Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-08-17
Anticipated expiration: 2030-11-20

Abstract

The utility model relates to a cylinder indexing clamp, which comprises a base, wherein a circular groove is arranged on the base, and a groove through hole is arranged on the bottom surface of the circular groove; an outer cylinder with the cylindrical height not more than the depth of the circular groove is arranged in the circular groove in a matching way, and an inner cylinder with the cylindrical height more than the depth of the circular groove is arranged in the outer cylinder in a matching way; the top of the base is provided with a plurality of arc-shaped grooves at equal angular intervals along the circumference of the circular groove, and the axial lead of each arc-shaped groove is perpendicular to the axial lead of the circular groove; the inner cylinder is provided with an adjusting hole in the radial direction, and an adjusting column which can be clamped in the arc-shaped groove in a matching manner is arranged in the adjusting hole; the outer wall of the outer barrel is provided with a concave part and a groove part which are adjacent and connected; and a base threaded hole penetrating through the side wall of the circular groove is further formed in the base, and a positioning bolt is installed in the base threaded hole. The utility model discloses a simple structure conveniently adjusts the location, and stability is good, easy operation, can effectively improve work efficiency, reduce cost.

Description

Cylinder indexing clamp

Technical Field

The utility model relates to a frock clamp, especially a drum graduation presss from both sides.

Background

The machining of the circular workpiece is a common machining mode in the field of existing machining, in the prior art, uniform machining in the circumferential direction, namely in the circumferential direction, is realized by adopting the index head to rotate for a required angle to perform scribing and then machining or adopting a machining center to perform machining, the structure is complex, the use is not facilitated, the rotation angle is difficult to control in the rotation adjusting process, the scribing machining efficiency is low, the stability is poor, the machining cost of the machining center is too high, and the universal application is not facilitated.

SUMMERY OF THE UTILITY MODEL

To the current not enough, the utility model provides a drum graduation presss from both sides.

The utility model provides a technical scheme that its technical problem adopted is: a cylinder indexing clamp comprises a base, wherein a circular groove is formed in the base, and a groove through hole is formed in the bottom surface of the circular groove; an outer cylinder with the cylindrical height not more than the depth of the circular groove is arranged in the circular groove in a matched mode, and an inner cylinder with the cylindrical height more than the depth of the circular groove is arranged in the outer cylinder in a matched mode; the top of the base is provided with a plurality of arc-shaped grooves at equal angular intervals along the circumference of the circular groove, and the axial lead of each arc-shaped groove is perpendicular to the axial lead of the circular groove; the inner cylinder is provided with an adjusting hole in the radial direction, and a cylindrical adjusting column which can be clamped in the arc-shaped groove in a matching manner is arranged in the adjusting hole; the outer wall of the outer barrel is provided with a concave part and a groove part which are adjacent and connected, the concave part is a part which is concave upwards in the circumferential direction of the outer barrel to form an arc-shaped groove, the groove part is a part which is provided with a plurality of grooves in parallel at intervals from top to bottom on the outer wall of the outer barrel, and each groove extends from one end of the concave part to the other end of the concave part in the circumferential direction of the outer barrel; the base is further provided with a base threaded hole penetrating through the side wall of the circular groove, and a positioning bolt is installed in the base threaded hole.

Preferably, the base is square, and the base threaded hole is provided on any one of the ribs.

Preferably, a mounting bracket for mounting on a table or a machine tool is attached to the bottom surface of the base.

Preferably, the top of the base is of a convex spherical structure, and the circular groove is arranged in the center of the top of the base.

Preferably, the positioning bolt is a hexagon socket head cap screw.

Preferably, the adjusting holes are arranged at least two at intervals in the circumferential direction of the inner cylinder.

Preferably, the arc-shaped groove is a minor arc-shaped groove.

Preferably, the grooves on the groove parts are all grooves with V-shaped cross sections.

Preferably, the arc angle value of the recess is 120 degrees.

The beneficial effects of the utility model reside in that: the utility model discloses a simple structure, the arc recess at base top and the matching block of adjusting between the post have just formed location structure, and the distribution of arc recess is the distribution of waiting the angle, just make its pivoted angle all the same at every turn, after adjusting post and arc recess and matching the block, the angle is just also fixed a position and is accomplished, the urceolus then fixes a position it through positioning bolt, further stabilized the centre gripping location, angle modulation is accurate, and the block stability of adjusting between post and the arc recess is good, just can be very convenient rotation inner tube through adjusting the post, thereby rotate the work piece of treating processing, easy to operate, can effectively improve work efficiency, and the cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of an exploded structure of an inner cylinder and an outer cylinder according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a base according to an embodiment of the present invention;

part names and serial numbers in the figure: 1-a base 10-a circular groove 11-an arc groove 12-a base threaded hole 100-a groove through hole 2-an outer cylinder 20-a concave part 21-a groove part 210-a groove 3-an inner cylinder 30-an adjusting hole 31-an adjusting column 4-a positioning bolt 5-a mounting bracket.

Detailed Description

To clearly illustrate the objects, technical solutions and advantages of the embodiments of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, which are clearly and completely described below. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. Furthermore, directional terms as referred to in the present disclosure, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., refer only to the direction of the attached drawings, and directional terms used are intended to better and more clearly illustrate and understand the present invention rather than to indicate or imply the orientation the present invention must have, and therefore should not be construed as limiting the present invention.

The embodiment of the utility model is shown in figures 1 to 3, a cylinder indexing clamp, which comprises a base 1, the base 1 is used for installing on a workbench or a machine tool, according to different production requirements, the cylinder indexing clamp can be fixedly installed on the workbench or can be installed on the workbench in a detachable mode, the cylinder indexing clamp can be installed on the workbench when in use, the cylinder indexing clamp can be detached when not in use without occupying the workbench, the cylinder indexing clamp can be movably installed on different workbenches for people to use, the cylinder indexing clamp can adapt to different places for simple structure, the bottom surface of the base 1 is connected with an installing support 5 for installing on the workbench or the machine tool, the cylinder indexing clamp can be installed on different devices by utilizing the installing support 5, only the structural shape of the installing support 5 needs to be changed when being installed on different devices, and the base 1 does not need to be changed, the base 1 is provided with a circular groove 10, the bottom surface of the circular groove 10 is provided with a groove through hole 100, a part for clamping a workpiece is arranged in the circular groove 10, the circular groove 10 rotates in the circular groove 10 to adjust the angle of the circular groove, and the groove through hole 100 in the bottom surface of the circular groove 10 is used for installing and fixing the base 1 on a workbench or an installation support 5 so as to be fixed, so that the circular groove does not move in the indexing adjustment clamping process, and the clamping stability is kept; the outer cylinder 2 with the cylindrical height not larger than the depth of the circular groove 10 is installed in the circular groove 10 in a matching mode, the inner cylinder 3 with the cylindrical height larger than the depth of the circular groove 10 is installed in the outer cylinder 2 in a matching mode, namely the outer diameter of the outer cylinder 2 is equivalent to the diameter of the circular groove 10, the outer diameter of the inner cylinder 3 is equivalent to the inner diameter of the outer cylinder 2, the phenomenon that relative displacement is generated in an unstressed state after installation is avoided, the outer cylinder 2 does not protrude out of the circular groove 10 due to the height of the outer cylinder 2, the part arranged at the opening end of the circular groove 10 cannot be affected, and the outer cylinder 2 and the part are preferably the same; also the height of the inner cylinder 3 determines that a part thereof protrudes outside the circular groove 10, facilitating the arrangement of corresponding parts on the protruding part; the top of the base 1 is provided with a plurality of arc grooves 11 at equal angular intervals along the circumference of the circular groove 10, the axial lead of each arc groove 11 is perpendicular to the axial lead of the circular groove 10, that is, the arc grooves 11 are perpendicular to the circular groove 10, the plurality of arc grooves 11 are arranged at equal angular intervals, so that the circumference of the circular groove 10 is divided into a plurality of same parts, the arc angles between every two adjacent parts are the same, for example, twelve arc grooves 11 are arranged, the included angle between every two adjacent arc grooves 11 is 30 degrees, so that the included angle between every two adjacent arc grooves 11 is 30 degrees, the angle of rotation is 30 degrees once the rotation is adjusted, the angle of rotation is fixed, the angle of rotation is in place after the rotation is in place, the repeated adjustment of the angle can be avoided, the time is saved, and the efficiency is improved; the inner cylinder 3 is provided with an adjusting hole 30 in the radial direction, the cylindrical adjusting column 31 capable of being clamped in the arc-shaped groove 11 in a matching manner is arranged in the adjusting hole 30, the position of the adjusting hole 30 is determined to be arranged on the position, protruding out of the circular groove 10, of the inner cylinder 3, the axis line of the adjusting hole is parallel to the axis line of the arc-shaped groove 11, or can be on the same line, the adjusting column 31 is arranged in the adjusting hole 30 in use, when the rotating angle is needed, the adjusting column 31 is pushed to rotate, so that the inner cylinder 3 is driven to rotate, the rotation of a workpiece arranged in the inner cylinder 3 is adjusted, the structure is simple, the use and the adjustment are convenient, the arc-shaped groove 11 is preferably a groove in a minor arc shape, so that the adjusting column 31 can be conveniently clamped into the arc-shaped groove 11 and can be conveniently rotated out of the arc-shaped groove 11 under the condition that the enough clamping strength is ensured, and the narrow opening of, the adjusting column 31 is not easy to enter and exit; at least two adjusting holes 30 are arranged at intervals in the circumferential direction of the inner cylinder 3, so that the rotating angle of the inner cylinder 3 can be conveniently adjusted, and the problem that the inner cylinder 3 is inconvenient to adjust to rotate due to the limitation of the installation position is avoided; the outer wall of the outer cylinder 2 is provided with a concave part 20 and a groove part 21 which are adjacent and connected, namely, the outer wall of the outer cylinder 2 is provided with the concave part 20 and the groove part 21 in sequence along the circumferential direction, the concave part 20 is a part which is concave along the circumferential direction of the outer cylinder 2 to form an arc-shaped groove, at the moment, the thickness of the side wall of the circular groove 10 corresponding to the concave part 20 is reduced, the circular groove is horizontally arranged along the circumferential direction of the outer cylinder 2 and is not in the axial direction of the outer cylinder 2, the concave part 20 forms the arc-shaped groove with a certain radian, the groove part 21 is a part which is provided with a plurality of grooves 210 in parallel from top to bottom on the outer wall of the outer cylinder 2, each groove 210 extends from one end of the concave part 20 to the other end of the concave part 20 along the circumferential direction of the outer cylinder 2, namely, the plurality of grooves 210 on the groove part 21 are arranged in sequence along the axial direction of the outer cylinder 2, and each groove 210 is arranged around the circumferential direction of the outer cylinder, the outer wall of the outer cylinder 2 is divided into two parts by the concave part 20 and the groove part 21, the concave part 20 is a large integral arc-shaped groove, the groove part 21 is a plurality of small arc-shaped grooves integrally formed, the two arc-shaped grooves are communicated, at the moment, the arc-shaped angle value of the concave part 20 can be 120 degrees, the outer cylinder 2 can be conveniently adjusted when the outer cylinder 2 is not fixed, therefore, the wall thicknesses of the outer cylinder 2 at two corresponding parts are different, the thickness of the corresponding concave part 20 is small, the thickness of the corresponding groove part 21 is large, the friction force generated between the groove wall and the circular groove 10 on the base 1 is different, preferably, the grooves 210 on the groove part 21 are grooves with V-shaped cross sections, and the V-shaped structure can buffer the applied grooves, and the enough strength of the product is kept; the base 1 is further provided with a base threaded hole 12 penetrating through the side wall of the circular groove 10, a positioning bolt 4 is installed in the base threaded hole 12, the recessed portion 20 is installed in alignment with the base threaded hole 12 during installation, the positioning bolt 4 is installed in the base threaded hole 12 and is abutted against the recessed portion 20 through threaded rotation to fix the outer barrel 2, the positioning bolt 4 is a hexagon socket head cap bolt, the positioning bolt 4 can be hidden in the base 1, the positioning bolt 4 does not protrude out of the outer wall of the base 1 when adjustment is convenient, fixing of the base 1 is affected, the distance between the recessed portion 20 and the end portion of the base threaded hole 12 is larger than that between the groove portion 21 and the end portion of the base threaded hole 12, the length of the positioning bolt 4 extending into the recessed portion 20 is long, the side wall of the recessed portion 20 forms a stop block of the positioning bolt 4 at the moment, and random rotation of the outer barrel 2 is avoided, the positioning is more accurate and stable. Such graduation presss from both sides, and angle modulation is more accurate, adjusts the block between post 31 and the arc recess 11 moreover, and stability is good, just can be very convenient rotation inner tube 3 through adjusting post 31 to rotate the work piece of treating processing, easy to operate can effectively improve work efficiency, reduce cost.

Further improvement, as shown in fig. 1 and 3, the base 1 is square, the base threaded hole 12 is formed in any one of the edges, the square structure is easy to fix and position the base 1, the problem that the adjustment is inaccurate due to the fact that the base 1 rotates when the inner barrel 3 is adjusted is avoided, the base threaded hole 12 is formed by cutting a plane on any one of the edges, the threaded hole is formed in the plane and is arranged on the edge, the base 1 is prevented from being affected when the base 1 is fixed, the base 1 is convenient to fix, and adjustment of the positioning bolt 4 in the base threaded hole 12 is facilitated.

In a further improvement, as shown in fig. 1 and 3, the top of the base 1 is a convex spherical structure, and the circular groove 10 is arranged at the center of the top of the base 2, so that the clamping of the adjusting column 31 in the arc-shaped groove 11 can be conveniently adjusted.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. A cylinder indexing clip, characterized in that: the device comprises a base, wherein a circular groove is formed in the base, and a groove through hole is formed in the bottom surface of the circular groove; an outer cylinder with the cylindrical height not more than the depth of the circular groove is arranged in the circular groove in a matched mode, and an inner cylinder with the cylindrical height more than the depth of the circular groove is arranged in the outer cylinder in a matched mode; the top of the base is provided with a plurality of arc-shaped grooves at equal angular intervals along the circumference of the circular groove, and the axial lead of each arc-shaped groove is perpendicular to the axial lead of the circular groove; the inner cylinder is provided with an adjusting hole in the radial direction, and a cylindrical adjusting column which can be clamped in the arc-shaped groove in a matching manner is arranged in the adjusting hole; the outer wall of the outer barrel is provided with a concave part and a groove part which are adjacent and connected, the concave part is a part which is concave upwards in the circumferential direction of the outer barrel to form an arc-shaped groove, the groove part is a part which is provided with a plurality of grooves in parallel at intervals from top to bottom on the outer wall of the outer barrel, and each groove extends from one end of the concave part to the other end of the concave part in the circumferential direction of the outer barrel; the base is further provided with a base threaded hole penetrating through the side wall of the circular groove, and a positioning bolt is installed in the base threaded hole.

2. The cylinder indexing clip of claim 1 wherein said base is square and said base threaded hole is provided in either rib.

3. The cylinder indexing clamp of claim 1, wherein a mounting bracket is attached to the bottom surface of the base for mounting on a table or a machine tool.

4. The cylinder indexing clip of claim 1, wherein the top of said base is formed as a convex spherical structure, and said circular groove is formed at the center of the top of said base.

5. The cylinder indexing clamp of claim 1, wherein said positioning bolt is a socket head cap screw.

6. The cylinder indexing clip of claim 1, wherein the at least two adjustment holes are spaced apart from each other in the circumferential direction of the inner cylinder.

7. The cylinder indexing clip of claim 1 wherein said arcuate recesses are minor arcuate recesses.

8. The cylinder indexing clip of claim 1, wherein the grooves of the recessed portion are all V-shaped in cross section.

9. The cylinder indexing clip of claim 1, wherein the arcuate angle of the recess has a value of 120 degrees.