CN214489677U

CN214489677U - Automatic positioning jig for flywheel housing processing

Info

Publication number: CN214489677U
Application number: CN202023029226.4U
Authority: CN
Inventors: 金迪哲; 张在新; 梁晖
Original assignee: Xiangyang Xingrui Machinery Co ltd
Current assignee: Xiangyang Xingrui Machinery Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-10-26
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to the technical field of machining, in particular to an automatic positioning jig for flywheel casing machining, which comprises a bottom plate, wherein a plurality of first notches are arranged on the upper surface of the bottom plate at equal intervals, a plurality of first notches are arranged on the same circumference, a first slider is connected in the first notches in a sliding way, a first nut seat is fixedly connected to the bottom of the first slider, a first bearing seat is fixedly connected to the bottom surface of the bottom plate, a screw rod is arranged in the first bearing seat and is in threaded connection with the first nut seat, a connecting block is fixedly connected to the top of the first slider, a first sliding pipe is fixedly connected to the side wall of the connecting block, a first sliding rod is inserted in the first sliding pipe, an arc-shaped clamping plate is fixedly connected to the end part of the first sliding rod, a first spring is sleeved on the first sliding rod, the first slider slides in the first notches by rotating the screw rod, and slides along the first notches to drive the connecting block to synchronously move, the connecting block driving clamping plate clamps the outer wall of the flywheel shell to position the flywheel shell.

Description

Automatic positioning jig for flywheel housing processing

Technical Field

The utility model relates to a machine tooling technical field especially relates to a bell housing processing automatic positioning tool.

Background

The flywheel housing is an important connecting part for connecting an engine cylinder body and a gearbox and is one of core parts of the engine, the size and quality conditions of the flywheel housing directly influence the service life of the engine, and the flywheel housing has higher technical requirements on the flatness of a cylinder body joint surface, the position degree/verticality of a pin hole, the position degree of a nail passing hole, an appearance profile and a machined hole.

The existing fixture is produced by adopting a tensioning large seam allowance mode, when a blank is deformed, the blank is inaccurate in positioning, infirm in clamping, flatness, pin hole position/verticality caused by deformation of clamping, the position of a nail passing hole cannot be guaranteed, deviation between an appearance outline and a machined hole is large, the rejection rate is over 20%, production efficiency is low, production requirements of customers cannot be met, and meanwhile, the fixture is easy to clamp and is inconvenient to maintain.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing clamp is easy to block and die in the prior art, and providing an automatic positioning jig for processing a flywheel housing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the design provides a bell housing processing automatic positioning tool, includes the bottom plate, a plurality of first notches have been seted up to the bottom plate upper surface equidistant, and is a plurality of first notch is in on same circumference, slidable is connected with first slider in the first notch, first slider bottom rigid coupling has first nut seat, bottom plate bottom surface rigid coupling has primary shaft bearing, install the screw rod in the primary shaft bearing, the screw rod spiro union is in the first nut seat, first slider top rigid coupling has even piece, the rigid coupling has first slide pipe on even the piece lateral wall, first slide pipe interpolation is equipped with first slide bar, first slide bar tip rigid coupling has curved splint, the cover is equipped with first spring on the first slide bar.

Preferably, a second notch is further formed in the middle of the bottom plate, a second sliding block is slidably connected in the second notch, a second nut seat is fixedly connected to the bottom of the second sliding block, a second bearing seat is fixedly connected to the middle of the bottom surface of the bottom plate, a bidirectional screw is installed in the second bearing seat, the bidirectional screw is screwed in the second nut seat, a second sliding rod is horizontally and fixedly connected to the top of the second sliding block, a second sliding pipe is sleeved on the second sliding rod, an arc-shaped supporting plate is fixedly connected to the end of the second sliding pipe, and a second spring is sleeved on the second sliding rod.

Preferably, a rubber pad is glued on the surface of the support plate.

Preferably, a hand wheel is fixedly connected to the end of the screw rod.

The utility model provides a pair of bell housing processing automatic positioning tool, beneficial effect lies in: this bell housing processing automatic positioning tool makes first slider slide in first notch through rotating the screw rod, and first slider slides along first notch and drives even piece synchronous motion, and even piece drive splint carry out the centre gripping to the bell housing outer wall to fix a position it.

Drawings

Fig. 1 is the utility model provides a structural schematic diagram of bell housing processing automatic positioning tool.

Fig. 2 is a schematic structural diagram of the automatic positioning jig for flywheel housing processing according to the present invention.

Fig. 3 is a schematic structural view three of the automatic positioning jig for flywheel housing processing provided by the utility model.

In the figure: the device comprises a bottom plate 1, a first notch 2, a first sliding block 3, a first nut seat 4, a first bearing seat 5, a screw rod 6, a connecting block 7, a first sliding pipe 8, a first sliding rod 9, a first spring 10, a clamping plate 11, a second notch 12, a second sliding block 13, a second nut seat 14, a bidirectional screw rod 15, a second sliding rod 16, a second spring 17, a second sliding pipe 18, a supporting plate 19 and a second bearing seat 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an automatic positioning jig for flywheel casing processing comprises a base plate 1, a plurality of first notches 2 are formed in the upper surface of the base plate 1 at equal intervals, the first notches 2 are located on the same circumference, a first slider 3 is slidably connected in the first notches 2, a first nut seat 4 is fixedly connected to the bottom of the first slider 3, a first bearing seat 5 is fixedly connected to the bottom surface of the base plate 1, a screw 6 is installed in the first bearing seat 5, a hand wheel is fixedly connected to the end portion of the screw 6, the screw 6 is screwed in the first nut seat 4, a connecting block 7 is fixedly connected to the top of the first slider 3, a first sliding pipe 8 is fixedly connected to the side wall of the connecting block 7, a first sliding rod 9 is inserted in the first sliding pipe 8, an arc-shaped clamping plate 11 is fixedly connected to the end portion of the first sliding rod 9, and a first spring 10 is sleeved on the first sliding rod 9. Make first slider 3 slide in first notch 2 through rotating screw rod 6, first slider 3 slides along first notch 2 and drives even piece 7 synchronous movement, and even piece 7 drive splint 11 carry out the centre gripping to the bell housing outer wall to fix a position it.

A second notch 12 is further formed in the middle of the bottom plate 1, a second sliding block 13 is slidably connected in the second notch 12, a second nut seat 14 is fixedly connected to the bottom of the second sliding block 13, a second bearing seat 20 is fixedly connected to the middle of the bottom surface of the bottom plate 1, a bidirectional screw 15 is installed in the second bearing seat 20, the bidirectional screw 15 is screwed in the second nut seat 14, a second sliding rod 16 is horizontally and fixedly connected to the top of the second sliding block 13, a second sliding pipe 18 is sleeved on the second sliding rod 16, an arc-shaped supporting plate 19 is fixedly connected to the end of the second sliding pipe 18, a rubber pad is glued to the surface of the supporting plate 19, and a second spring 17 is sleeved on the second sliding rod 16. The two second nut seats 14 are close to or far away from each other by rotating the two-way screw 15, so that the distance between the two support plates 19 is changed, the support plates 19 are initially positioned inside the flywheel housing, the inside of the flywheel housing can be fixed along with the increase of the distance between the support plates 19, and the positioning stability is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The automatic positioning jig for flywheel housing processing is characterized by comprising a base plate (1), wherein a plurality of first notches (2) are formed in the upper surface of the base plate (1) at equal intervals, the first notches (2) are located on the same circumference, a first slider (3) is slidably connected in each first notch (2), a first nut seat (4) is fixedly connected to the bottom of the first slider (3), a first bearing seat (5) is fixedly connected to the bottom surface of the base plate (1), a screw rod (6) is installed in each first bearing seat (5), the screw rod (6) is in threaded connection with the first nut seat (4), a connecting block (7) is fixedly connected to the top of the first slider (3), a first sliding pipe (8) is fixedly connected to the side wall of the connecting block (7), a first sliding rod (9) is inserted in each first sliding pipe (8), an arc-shaped clamping plate (11) is fixedly connected to the end portion of each first sliding rod (9), the first sliding rod (9) is sleeved with a first spring (10).

2. The automatic positioning jig for flywheel housing processing according to claim 1, wherein, a second notch (12) is formed in the middle of the bottom plate (1), a second sliding block (13) is connected in the second notch (12) in a sliding manner, a second nut seat (14) is fixedly connected with the bottom of the second sliding block (13), a second bearing seat (20) is fixedly connected with the middle part of the bottom surface of the bottom plate (1), a bidirectional screw (15) is arranged in the second bearing seat (20), the bidirectional screw (15) is screwed in the second nut seat (14), a second sliding rod (16) is horizontally and fixedly connected to the top of the second sliding block (13), a second sliding pipe (18) is sleeved on the second sliding rod (16), an arc-shaped support plate (19) is fixedly connected to the end of the second sliding pipe (18), and a second spring (17) is sleeved on the second sliding rod (16).

3. The automatic positioning jig for flywheel housing processing as claimed in claim 2, wherein a rubber pad is glued on the surface of the support plate (19).

4. The automatic positioning jig for flywheel housing processing as claimed in claim 1, wherein a hand wheel is fixedly connected to the end of the screw (6).