CN216138497U

CN216138497U - Sine gauge clamp

Info

Publication number: CN216138497U
Application number: CN202023160213.0U
Authority: CN
Inventors: 陈虎; 李迎华; 陈霖; 王峰; 黄大伟; 侯延星; 杨翔麟; 曲业金; 汤洪涛; 王雪; 杨金明; 蔡春刚; 张国靖; 于家懿; 刘森; 都垚; 林东; 赵安琨; 王阔; 曾祥熙
Original assignee: Dalian Kede Numerical Control Co Ltd
Current assignee: Dalian Kede Numerical Control Co Ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2022-03-29
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a sine gauge clamp, which comprises: the device comprises a base, a supporting table, at least two first upright columns and at least two second upright columns; the first upright column and the second upright column are respectively arranged on two sides of the top surface of the base, and the height of the first upright column is greater than that of the second upright column; the first upright column is connected with the base and the supporting platform through detachable structures, and the second upright column is fixedly connected with the base and the supporting platform; the supporting table is provided with a workpiece fixing structure. According to the utility model, the height difference between the first upright post and the second upright post is adjusted through disassembly, so that the clamped sine gauge can be adjusted to have an inclination angle at will between 0 degree and more than alpha and less than or equal to 45 degrees.

Description

Sine gauge clamp

Technical Field

The utility model relates to the technical field of workpiece machining, in particular to a sine gauge clamp.

Background

When the inclined plane of the workpiece is machined on a three-axis gantry machining center or a gantry grinding machine, the inclined plane needs to be kept horizontal for machining, so that the problems that a cutter is not easy to align and slip and the like during machining are solved, and a tiltable workbench needs to be arranged below the workpiece to support the machined surface of the workpiece to keep stable flatness.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sine gauge clamp to overcome the technical problem.

The utility model relates to a sine gauge clamp, which comprises: the device comprises a base, a supporting table, at least two first upright columns and at least two second upright columns; the first upright column and the second upright column are respectively arranged on two sides of the top surface of the base, and the height of the first upright column is greater than that of the second upright column; the first upright column is connected with the base and the supporting platform through detachable structures, and the second upright column is fixedly connected with the base and the supporting platform; and a workpiece fixing structure is arranged on the supporting platform.

Further, still include: a locking structure; the locking structure includes: the positive and negative buckle clamping nuts, the tensioning bolts and the slide rails; a sliding rail is arranged on the base between the first upright columns; the bottom end of the tensioning bolt is movably connected with the slide rail, and the top end of the tensioning bolt is connected with one end of the positive and negative buckle clamping nut through a threaded structure; the other end of the positive and negative buckle clamping nut is connected with the supporting platform through a thread structure.

Furthermore, the top ends of the first upright post, the second upright post and the tensioning bolt are respectively fixedly connected with the support platform through the rotary connecting structure; the rotation connection structure includes: the lifting lug connecting column, the lifting lug rotating shaft and the lifting lug; the top end of the lifting lug is fixedly connected with the supporting platform, and the lifting lug is hinged with the lifting lug connecting column through the lifting lug rotating shaft.

Further, the detachable structure is a threaded connection structure; the first upright post is connected with the supporting platform and the base through a threaded connection structure.

Further, the detachable structure is a pin connection structure; the first upright post is connected with the supporting platform through a pin connecting structure.

Further, the detachable structure is a key connection structure; the first upright post is connected with the supporting platform through a key connection structure.

Further, still include: a first column support table; the first upright post supporting table is fixedly connected to the base, and a plurality of first upright post connecting grooves are arranged on the top surface of the first upright post supporting table; the first upright post is connected with the first upright post connecting groove through a threaded connection structure.

Furthermore, a limiting block used for limiting the position of the workpiece is arranged on the supporting table.

The inclination of the clamped sine gauge is adjusted according to the height difference of the positioning upright columns between the two ends by replacing the positioning upright columns between the base of the sine gauge and the two ends of the support table, so that the inclined surface workpiece is machined by adjusting any angle within the range of alpha being more than 0 degree and less than or equal to 45 degrees on a three-axis gantry machining center or a gantry grinding machine.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention with a relatively small inclination angle of the working table;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic diagram of the right view structure of the present invention;

FIG. 4 is a left side view of the present invention;

FIG. 5 is a schematic top view of the present invention;

FIG. 6 is a schematic structural view of the worktable of the present invention with a large inclination angle;

FIG. 7 is a schematic view of the detachable structure of the present invention using a screw connection;

FIG. 8 is a schematic view of the detachable structure of the present invention using a pin connection;

FIG. 9 is a schematic diagram of a detachable structure using a key connection according to the present invention.

The reference numbers illustrate:

1. a base; 21. a first upright post; 22. a second upright post; 3. a limiting block; 4. a first column support table; 41. a slide rail; 42. a first column connecting groove; 6. a support table; 61. a workpiece fixing connection hole; 8. a positioning key; 9. a lifting lug connecting column; 10. tightening the bolts; 11. the positive and negative buckles clamp the screw cap; 13. a lifting lug rotating shaft; 14. lifting lugs; 15. hoisting a ring; 23. the connecting structure rotates.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the present embodiment provides a sine gauge fixture, including: the device comprises a base 1, a support table 6, a tension bolt 10, a rotary connecting structure 23, at least two first upright columns 21 and at least two second upright columns 22;

as shown in fig. 2, the base 1 and the machine tool workbench are fixedly connected by a positioning key 8, hole sites are arranged at the front, middle and rear parts of the base 1, and the positioning key 8 is inserted into a T-shaped groove of the machine tool workbench from the hole sites for fixing; the front end and the rear end between the base 1 and the supporting platform 6 are respectively supported by a first upright post 21 and a second upright post 22, the length of the first upright post 21 is larger than that of the second upright post 22, and the supporting platform 6 keeps a certain inclination angle by the height difference between the first upright post 21 and the second upright post 22 so as to measure the workpiece with the inclined plane shape. In order to adapt the inclination angle of the support platform 6 to various inclined surface-shaped workpieces, the first upright post 21 is detachably connected with the base 1 and the support platform 6, and the second upright post 22 is fixedly connected with the base 1 and the support platform 6. In this embodiment, the detachable connection of the first upright 21 is implemented by arranging a plurality of first upright connecting grooves 42 at the connection position between the base 1 and the first upright 21 along the length direction, inserting the bottom end of the first upright 21 into the first upright connecting grooves 42, and inserting the first upright 21 into different first upright connecting grooves 42 according to the required inclination angle of the support table 6, as shown in fig. 1, if the required inclination angle is small, inserting the first upright 21 into the groove outside the base 1; as shown in fig. 6, if a large inclination angle is required, the first upright 21 is inserted into a groove in the inner side of the base 1. As shown in fig. 1 and 5, a plurality of workpiece fixing attachment holes 61 are provided on both sides of the support base 6, and the workpiece is placed on the support base 6 and fixed to the support base 6 by inserting bolts into the workpiece fixing attachment holes 61.

The support table 6 can freely adjust the inclination angle between 0 degrees and less than or equal to 45 degrees, and the height of the first upright post 21 corresponding to the inclination angle is shown in table 1:

TABLE 1

The height of the first upright 21 corresponding to the inclination is shown in table 2:

TABLE 2

Slope of the slope

Height

Slope of the slope

Height

Slope of the slope

Height

Slope of the slope

Height

1:100

12

1:20

60

1:12

100

1:7

171.43

1:50

24

1:15

80

1:10

120

1:5

240

1:30

40

1:18

66.67

1:8

150

1:3

400

In this embodiment, as shown in fig. 6, since the upper and lower ends of the first column 21 are detachable, the support table 6 has a general stability, and the support table 6 may shake when processing a workpiece, which affects the alignment accuracy when processing a tool. In order to improve the stability of the support table 6, a locking structure is provided between the first columns 21 to lock the support table 6 and the first columns 21. The locking structure comprises a positive and negative fastening nut 11, a tensioning bolt 10 and a slide rail 41; the slide rail 41 is positioned between the plurality of first upright posts 21 on the base 1; the slider at the bottom end of the tightening bolt 10 is caught in the slide rail 41, and when the inclination is adjusted, the tightening bolt 10 vertically slides along the slide rail 41. The top end of the tensioning bolt 10 is connected with one end of a clamping nut 11 of the front buckle and the back buckle through a thread structure; the other end of the positive and negative clamping nut 11 is connected with the support table 6 through a thread structure. The positive and negative buckles clamp the screw cap 11 to rotate positively, so that the support table 6 and the first upright post 21 can be locked relatively; the forward and backward fastening nuts 11 are turned reversely, so that the support table 6 and the first upright post 21 are relatively loosened, and the stability of the support table 6 can be effectively improved.

In this embodiment, as shown in fig. 3, in order to improve the flexibility of adjusting the inclination angle of the support platform 6, the top ends of the first upright post 21, the second upright post 22, and the tightening bolt 10 are connected to the support platform 6 through a rotary connecting structure 23; the rotating connection structure 23 includes: the lifting lug connecting column 9, the lifting lug rotating shaft 13 and the lifting lug 14; the top end of the lifting lug 14 is fixedly connected with the support platform 6, and the lower part of the lifting lug 14 is of a double-lug structure with a through hole in the middle; the double-lug-shaped structure clamps and connects a lifting lug connecting column 9 with a through hole in the middle; the lifting lug rotating shaft 13 penetrates through holes of the lifting lug connecting column 9 and the lifting lug 14 to hinge the lifting lug connecting column 9 and the lifting lug 14. The lifting lug rotating shaft 13 is provided with a rotating nut on the outer side of the lifting lug 14, the tightness can be adjusted through the rotating nut, and the rotating nut is screwed when the supporting platform 6 is adjusted to a required inclination angle. The arrangement of the rotary connecting structure 23 can ensure that only vertical shear force is transmitted and bending moment is not transmitted between the first upright post 21, the second upright post 22, the tension bolt 10 and the support platform 6, and when the inclination angle of the support platform 6 is adjusted, the connecting part can rotate without being constrained, so that the flexibility of the support platform 6 during inclination angle change is improved, and the service life of the clamp is prolonged.

The bolt 10 is tightened. The arrangement of the tension bolt 10 is as follows: the bottom surface 1 is provided with a slide rail 41 along the length direction between the first upright posts 21, the lower part of the tension bolt 10 is connected on the slide rail 41 through a slide block and can move back and forth along the slide rail 41, so that a proper sliding position is selected according to the height between the support table 6 and the base 1 corresponding to different inclinations. The first upright post 21, the second upright post 22 and the tension bolt 10 are movably connected with the support platform 6 through a detachable structure. In order to realize tensioning between the base 1 and the supporting platform 6, a locking structure is arranged below a detachable structure at the joint between the tensioning bolt 10 and the supporting platform 6, as shown in fig. 7, 8 and 9, the detachable structure can adopt a threaded connection structure, a pin connection structure or a key connection structure, and the three connection structures can play the purposes of fixing and detaching. As shown in fig. 3, the locking structure may be a positive and negative fastening nut 11, the positive and negative fastening nut 11 is connected to the bottom end of the lifting lug connection post 9 and the top end of the tensioning bolt 10 through internal threads, and the positive and negative fastening nut 11 rotates forward to enable the lifting lug connection post 9 and the tensioning bolt 10 to be tensioned; the tightening bolt 10 can be removed by reversing the clamping nut 11. The base 1 and the supporting platform 6 are convenient to be locked, the whole structure is more stable,

in this embodiment, as shown in fig. 7, the detachable structure is a threaded connection structure; the first upright 21 is connected with the support table 6 and the base 1 through a threaded connection structure. The threaded connection has the advantages of simple structure, reliable connection, convenient assembly and disassembly and the like. The threaded connection generally has self-locking performance, and in addition, the friction force on the supporting surfaces of the nut and the bolt head also has anti-loosening effect, so the nut and the bolt are generally not loosened after being screwed. However, under the action of impact, vibration or variable load, the friction force between the screw-thread steels can be reduced or eliminated smoothly, the connection can be loosened, and therefore, a stop washer can be added to prevent the loosening when the screw-thread connection is adopted.

In this embodiment, as shown in fig. 8, the detachable structure is a pin connection structure; the first upright 21 is connected to the support table 6 by a pin connection. Adopt the relative position that first stand 21 and brace table 6 can be fixed in pin joint to can transmit little load, compare with threaded connection structure, pin connection structure has easy dismounting's advantage, nevertheless lacks threaded connection's auto-lock nature, can adopt horizontal hookup pin to lock, improves pin connection structure's stability.

In this embodiment, as shown in fig. 9, the detachable structure is a key connection structure; the first upright 21 is connected to the support table 6 by a key connection. The axial fixation of the first upright post 21 is realized by adopting key connection, the bulge of the lifting lug connecting post 9 of the rotary connecting structure 23 is inserted into the middle groove positions on the first upright post 21, the second upright post 22 and the tensioning bolt 10, the two sides of the first upright post 21, the second upright post 22 and the tensioning bolt 10 are also provided with key position grooves which can be wedge key connecting grooves, and the wedge keys are inserted into the key position grooves

Specifically, as shown in fig. 6, since the first column connecting groove 42 is directly provided on the base 1, the base 1 at the groove position becomes thin, and when the force is too large, the first column 21 may be pressed through the base 1, which may damage the machine tool table. A first upright post supporting table 4 is arranged at the joint of the base 1 and the first upright post 21, the first upright post supporting table 4 is a cuboid metal block, and a plurality of first upright post connecting grooves 42 are arranged on the upper surface of the first upright post supporting table along the length direction; the first post coupling groove 42 may be designed as a screw coupling structure, a pin coupling structure, or a key coupling structure according to a coupling manner with the first post 21. The first upright post supporting table 4 is added, so that the first upright post 21 is not directly contacted with the base 1, the stress of the base 1 is increased by a buffer distance, the base 1 is prevented from being damaged, and the connecting strength of the bottom end of the first upright post 21 is also increased.

In this embodiment, the support table 6 is provided with a limit block 3 for limiting the position of the workpiece.

Particularly, as shown in fig. 1, the fixedly connected with stopper 3 of the one end that the brace table 6 is close to the second stand 22, stopper 3 mainly plays the effect of injecing the work piece position, and when brace table 6 inclination is great, the gliding force of work piece is great, sets up stopper 3 in work piece gliding department and can block the work piece gliding, alleviates the work piece and supports the burden of being connected of 6, improves the security.

In this embodiment, as shown in fig. 1, the method further includes: four lifting rings 15; four corners of the top surface of the base 1 are respectively provided with a hoisting ring 15. The hoisting ring 15 is arranged to facilitate the integral hoisting of the sine gauge clamp.

In the present embodiment, as shown in fig. 2 and 3, the first upright post 21, the second upright post 22 and the tightening bolt 10 are all perpendicular to the base 1; the first upright posts 21 and the tension bolts 10 are positioned on the same straight line in the width direction of the base 1; a plurality of second stands 22 are located the collinear of base 1 width direction to can guarantee that each fulcrum atress is even, improve a supporting bench 6 life.

The whole beneficial effects are as follows:

1. the support table can be adjusted to have an inclination angle between 0 degrees and less than or equal to 45 degrees;

2. the installation and the disassembly are convenient, and the convenience of the movement of the whole equipment is improved;

3. the overall structure is arranged according with the mechanics principle, and the overall service life of the equipment is ensured.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A sine gauge clamp, comprising:

the device comprises a base (1), a support table (6), at least two first upright columns (21) and at least two second upright columns (22);

the first upright post (21) and the second upright post (22) are respectively arranged on two sides of the top surface of the base (1), and the height of the first upright post (21) is greater than that of the second upright post (22); the first upright column (21) is connected with the base (1) and the supporting platform (6) through detachable structures, and the second upright column (22) is fixedly connected with the base (1) and the supporting platform (6); and a workpiece fixing structure is arranged on the supporting platform (6).

2. The sine gauge fixture of claim 1, further comprising: a locking structure; the locking structure includes:

the front and back buckles clamp the screw cap (11), the tension bolt (10) and the slide rail (41);

a sliding rail (41) is arranged on the base (1) between the first upright columns (21); the bottom end of the tensioning bolt (10) is movably connected with the sliding rail (41), and the top end of the tensioning bolt is connected with one end of the positive and negative buckle clamping nut (11) through a threaded structure; the other end of the positive and negative buckle clamping nut (11) is connected with the supporting platform (6) through a thread structure.

3. The sine gauge clamp according to claim 2, wherein the top ends of the first upright post (21), the second upright post (22) and the tensioning bolt (10) are fixedly connected with the support table (6) through a rotary connecting structure (23); the rotary connection structure (23) comprises:

the lifting lug connecting column (9), the lifting lug rotating shaft (13) and the lifting lug (14);

the top end of the lifting lug (14) is fixedly connected with the supporting platform (6), and the lifting lug (14) is hinged with the lifting lug connecting column (9) through the lifting lug rotating shaft (13).

4. The sine gauge fixture of claim 1, wherein the detachable structure is a threaded connection; the first upright post (21) is connected with the supporting platform (6) and the base (1) through a threaded connection structure.

5. The sine gauge fixture of claim 1, wherein the detachable structure is a pin connection structure; the first upright column (21) is connected with the support table (6) through a pin connection structure.

6. The sine gauge fixture of claim 1, wherein the detachable structure is a keyed connection; the first upright column (21) is connected with the support platform (6) through a key connection structure.

7. The sine gauge fixture of claim 5, further comprising: a first column support table (4);

the first upright post supporting platform (4) is fixedly connected to the base (1), and a plurality of first upright post connecting grooves (42) are arranged on the top surface of the first upright post supporting platform (4); the first upright column (21) is connected with the first upright column connecting groove (42) through a threaded connecting structure.

8. Sine gauge clamp according to claim 6, characterized in that the support table (6) is provided with a stop block (3) for limiting the position of the workpiece.