CN216228035U

CN216228035U - Positioning fixture for turning casting bottom corner plane

Info

Publication number: CN216228035U
Application number: CN202122242154.XU
Authority: CN
Inventors: 桓成平
Original assignee: Wuxi Kester Casting Co ltd
Current assignee: Wuxi Kester Casting Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-04-08
Anticipated expiration: 2031-09-15

Abstract

The utility model relates to the technical field of positioning fixtures, in particular to a positioning fixture for plane turning of a bottom corner of a casting, which comprises a mounting plate, wherein the right end of the mounting plate is fixedly connected with a positioning column, the right end of the positioning column is provided with a positioning groove, a plurality of clamping mechanisms are arranged on the positioning column in a circular array, clamping rings are arranged outside the clamping mechanisms in a sliding manner, a plurality of adjusting screws are connected to the inner threads of the clamping rings, a fixing ring is sleeved on the right side of the positioning column, the left end of the fixing ring is rotatably connected with the plurality of adjusting screws, the right end of the mounting plate is provided with a plurality of threaded holes in a circular array, the left end of each threaded hole is provided with a through hole, a fixing screw is inserted into each through hole, the left end of each threaded hole is positioned outside the through hole and is provided with a square groove, a square column is inserted into the square groove, and the left end of the square column is provided with a fixing groove; the lathe is prevented from vibrating in the running process to cause looseness of the fixing screw, and the stability of fixing the positioning clamp is improved.

Description

Positioning fixture for turning casting bottom corner plane

Technical Field

The utility model relates to the technical field of positioning fixtures, in particular to a positioning fixture for turning a casting bottom corner plane.

Background

As is well known, a lathe jig is a jig used for machining inner and outer surfaces of revolution and end surfaces of a workpiece on a lathe. Most lathe fixtures are arranged on the main shaft; a few are mounted on saddles or bedbeds.

The existing positioning clamp is mostly installed on a lathe through screws, the lathe can vibrate in the running process, the screws can loosen due to vibration for a long time, and the stability of fixing the positioning clamp is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a positioning clamp for plane turning of a casting bottom corner, which aims to solve the problems that the lathe provided by the background art generates vibration in the running process, and a screw loosens due to vibration for a long time, so that the stability of fixing the positioning clamp is reduced.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a positioning fixture of foundry goods base angle plane turning, which comprises a mounting panel, the right-hand member fixedly connected with reference column of mounting panel, the right-hand member of reference column is provided with the constant head tank, it is circular array on the reference column and be provided with a plurality of clamping mechanism, the outside of a plurality of clamping mechanism slides and is provided with the clamp ring, the inside threaded connection of clamp ring has a plurality of adjusting screw, the right side cover of reference column is equipped with solid fixed ring, gu fixed ring's left end rotates with a plurality of adjusting screw to be connected, the right-hand member of mounting panel is circular array and is provided with a plurality of screw holes, the left end of screw hole is provided with the through-hole, the inside of through-hole has inserted the square column, the left end of square column is provided with the fixed slot, the screw head and the fixed slot sliding fit of fixed screw, the right-hand member of square column rotates and is connected with the screw thread post, the spiral shell dress of screw thread post is in the inside of screw hole.

Preferably, the clamping mechanism comprises a clamping block, a plurality of clamping grooves communicated with the positioning groove are formed in the outer side wall of the positioning column, the clamping block is in sliding fit with the clamping grooves, sliding grooves are formed in the left end and the right end of each clamping groove, sliding blocks are fixedly connected to the left end and the right end of each clamping block, the two sliding blocks are in sliding fit with the two sliding grooves respectively, one ends, close to the positioning grooves, of the two sliding blocks are connected with compression springs, and the outer side wall of each clamping block is in contact with the inner side wall of the clamping ring.

Furthermore, the outer sleeve of square column is equipped with the swivel, is connected with extrusion spring between swivel and the screw thread post.

Still further, the inner side wall of the clamping block is fixedly connected with an anti-skid pad.

In a further scheme, the right end of the threaded column is fixedly connected with a rotating rod.

On the basis of the scheme, the left end of the adjusting screw is fixedly connected with a rotating handle.

On the basis of the scheme, the inner part of the clamping ring is arranged to be in a conical structure, and the clamping blocks are arranged to be in a trapezoidal structure.

(III) advantageous effects

Compared with the prior art, the utility model provides a positioning fixture for turning the bottom corner plane of a casting, which has the following beneficial effects:

1. this positioning fixture of foundry goods base angle plane turning is fixed the mounting panel on the lathe through the fixed screw, then inserts the square column to the inside of square groove, carries out the chucking through the fixed slot to the fixed screw and fixes, prevents that the fixed screw from rotating to avoid the lathe can produce vibrations at the moving in-process and lead to the fixed screw not hard up, improved the stability fixed to positioning fixture.

2. This positioning fixture of foundry goods base angle plane turning inserts the work piece to the inside of constant head tank, changes through rotating to make adjusting screw rotate, and adjusting screw rotates and makes the holding ring remove to the right side to extrude the clamp splice, make the clamp splice slide to the inside of constant head tank, and evenly press from both sides tightly the work piece all around, be convenient for press from both sides tightly easy operation convenient and fast to not unidimensional work piece.

Drawings

FIG. 1 is a schematic front view of the present invention;

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

FIG. 3 is an enlarged view of a portion of FIG. 2A;

fig. 4 is a schematic view of the enlarged structure of the portion B in fig. 2 according to the present invention.

In the figure: 1. mounting a plate; 2. a positioning column; 3. a clamping ring; 4. adjusting the screw rod; 5. a fixing ring; 6. fixing screws; 7. a square column; 8. a threaded post; 9. a clamping block; 10. a slider; 11. a compression spring; 12. rotating the ring; 13. a compression spring; 14. a non-slip mat; 15. a rotating rod; 16. and (4) turning the handle.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Examples

Referring to fig. 1-4, a positioning fixture for plane turning of a bottom corner of a casting comprises a mounting plate 1, a positioning column 2 is fixedly connected to the right end of the mounting plate 1, a positioning groove is formed in the right end of the positioning column 2, a plurality of clamping mechanisms are arranged on the positioning column 2 in a circular array, a clamping ring 3 is slidably arranged outside the clamping mechanisms, a plurality of adjusting screws 4 are in threaded connection with the clamping ring 3, a fixing ring 5 is sleeved on the right side of the positioning column 2, the left end of the fixing ring 5 is rotatably connected with the adjusting screws 4, a rotating handle 16 is fixedly connected to the left end of the adjusting screws 4, the adjusting screws 4 are rotated through the rotating handle 16, the adjusting screws 4 are rotated to enable the positioning ring to move to the right side and extrude a clamping block 9, the clamping block 9 slides towards the inside of the positioning groove and uniformly clamps the periphery of the casting, and a plurality of threaded holes are formed in the right end of the mounting plate 1 in a circular array, the left end of the threaded hole is provided with a through hole, a fixing screw 6 is inserted into the through hole, a square groove is arranged at the left end of the threaded hole, which is positioned outside the through hole, a square column 7 is inserted into the square groove, the left end of the square column 7 is provided with a fixing groove, the screw head of the fixing screw 6 is in sliding fit with the fixing groove, the right end of the square column 7 is rotatably connected with a threaded column 8, the threaded column 8 is screwed into the threaded hole, the right end of the threaded column 8 is fixedly connected with a rotating rod 15, the threaded column 8 is rotated through the rotating rod 15, the threaded column 8 is screwed in the threaded hole, the mounting plate 1 is fixed on the machine tool through the fixing screw 6, then the square column 7 is inserted into the square groove, the fixing screw 6 is clamped and fixed through the fixing groove to prevent the fixing screw 6 from rotating, thereby avoiding the lathe to shake in the operation process and leading to the fixed screw 6 not hard up, having improved the stability fixed to positioning fixture.

It should be further noted that the clamping mechanism includes a clamping block 9, an inner sidewall of the clamping block 9 is fixedly connected with a non-slip mat 14, friction between the clamping block 9 and the workpiece is increased, stability of fixing the workpiece is improved, a plurality of clamping grooves communicated with the positioning grooves are arranged on an outer sidewall of the positioning column 2, the clamping block 9 is in sliding fit with the clamping grooves, sliding grooves are arranged at left and right ends of the clamping grooves, sliding blocks 10 are fixedly connected at left and right ends of the clamping block 9, the two sliding blocks 10 are respectively in sliding fit with the two sliding grooves, one ends of the two sliding blocks 10 close to the positioning grooves are respectively connected with a compression spring 11, an outer sidewall of the clamping block 9 is in contact with an inner sidewall of the clamping ring 3, the sliding blocks 10 and the clamping block 9 are pushed by the compression springs 11 to move outwards, the workpiece is prevented from inside the positioning grooves, a rotating ring 12 is sleeved outside the square column 7, and an extrusion spring 13 is connected between the rotating ring 12 and the threaded column 8, the thread column 8 is extruded through the pressurizing spring, so that the extrusion force between the threads of the thread column 8 and the threads of the threaded hole prevents the thread column 8 from rotating, the inside of the clamping ring 3 is set to be in a conical structure, and the clamping block 9 is set to be in a trapezoidal structure, so that the clamping ring 3 is guaranteed to push the clamping block 9 to move, and the clamping block 9 is used for clamping and fixing a workpiece.

In conclusion, when the positioning fixture for turning the casting bottom corner plane is used, the mounting plate 1 is fixed on a machine tool through the fixing screw 6, the square column 7 is inserted into the square groove, the fixing screw 6 is clamped and fixed through the fixing groove, the rotating rod 15 is rotated to enable the threaded column 8 to be screwed in the threaded hole, the workpiece is inserted into the positioning groove, the rotating handle 16 is rotated to enable the adjusting screw rod 4 to rotate, the adjusting screw rod 4 rotates to enable the positioning ring to move to the right side, the clamping block 9 is extruded, the clamping block 9 slides towards the inside of the positioning groove, and the periphery of the workpiece is uniformly clamped.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a positioning fixture of foundry goods base angle plane turning, includes mounting panel (1), its characterized in that: the right end of the mounting plate (1) is fixedly connected with a positioning column (2), the right end of the positioning column (2) is provided with a positioning groove, the positioning column (2) is provided with a plurality of clamping mechanisms in a circular array, the outer parts of the clamping mechanisms are slidably provided with clamping rings (3), the inner threads of the clamping rings (3) are connected with a plurality of adjusting screw rods (4), the right side of the positioning column (2) is sleeved with a fixing ring (5), the left end of the fixing ring (5) is rotatably connected with the adjusting screw rods (4), the right end of the mounting plate (1) is provided with a plurality of threaded holes in a circular array, the left end of each threaded hole is provided with a through hole, a fixing screw (6) is inserted into each through hole, the left end of each threaded hole is positioned outside the through hole and provided with a square groove, a square column (7) is inserted into each square groove, the left end of each square column (7) is provided with a fixing groove, and the screw head of each fixing screw (6) is in sliding fit with the fixing groove, the right end of the square column (7) is rotatably connected with a threaded column (8), and the threaded column (8) is screwed in the threaded hole.

2. The positioning fixture for turning the casting bottom corner plane according to claim 1, characterized in that: the clamping mechanism comprises a clamping block (9), a plurality of clamping grooves communicated with the positioning groove are formed in the outer side wall of the positioning column (2), the clamping block (9) is in sliding fit with the clamping grooves, sliding grooves are formed in the left end and the right end of each clamping groove, sliding blocks (10) are fixedly connected to the left end and the right end of each clamping block (9), the two sliding blocks (10) are in sliding fit with the two sliding grooves respectively, one ends, close to the positioning grooves, of the two sliding blocks (10) are connected with compression springs (11), and the outer side wall of each clamping block (9) is in contact with the inner side wall of the clamping ring (3).

3. The positioning fixture for turning the casting bottom corner plane as claimed in claim 2, wherein: the square column is characterized in that a rotating ring (12) is sleeved outside the square column (7), and an extrusion spring (13) is connected between the rotating ring (12) and the threaded column (8).

4. The positioning fixture for turning the casting bottom corner plane according to claim 3, characterized in that: the inner side wall of the clamping block (9) is fixedly connected with an anti-skid pad (14).

5. The positioning fixture for turning the casting bottom corner plane as claimed in claim 4, wherein: the right end of the threaded column (8) is fixedly connected with a rotating rod (15).

6. The positioning fixture for turning the casting bottom corner plane according to claim 5, characterized in that: the left end of the adjusting screw rod (4) is fixedly connected with a rotating handle (16).

7. The positioning fixture for turning the casting bottom corner plane according to claim 6, characterized in that: the inner part of the clamping ring (3) is arranged to be in a conical structure, and the clamping blocks (9) are arranged to be in a trapezoidal structure.