CN217019506U

CN217019506U - Clamping mechanism for processing camshaft

Info

Publication number: CN217019506U
Application number: CN202122146626.1U
Authority: CN
Inventors: 谢远平; 李旭东
Original assignee: Xiangyang Puxing Electromechanical Co ltd
Current assignee: Xiangyang Puxing Electromechanical Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-07-22
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a clamping mechanism for processing a camshaft, which comprises a shell, a first clamping rod, a second clamping rod, a return spring, a bundling device, a cylinder and a clamping mechanism of a fixing frame, wherein the clamping mechanism is arranged on the opposite side of a turning tool, and the bundling device is pushed by the cylinder to clamp the camshaft to be turned by the first clamping rod and the second clamping rod, so that the transverse acting force on the camshaft during turning of the turning tool is counteracted, the camshaft is prevented from being deformed during high-speed turning, the processing precision is improved, simultaneously, the steps of deburring and polishing are completed during turning processing through polishing parts arranged on clamping parts of the first clamping rod and the second clamping rod, the processing procedure is omitted, and the production efficiency is improved.

Description

Clamping mechanism for processing camshaft

Technical Field

The utility model belongs to the field of automobile parts, and particularly relates to a camshaft machining device.

Background

The camshaft, a component in a piston engine, is primarily used to control the opening and closing of the valves. The camshaft consists of a plurality of cams and a cylindrical rod body which is approximately the same as the cylinder group in length, the cylindrical rod body is taken as a main body, the cams are sleeved on the cylindrical rod body, and a practical lathe is generally required to turn the camshaft in the machining process of the camshaft.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: can apply a pressure with camshaft vertical direction to the camshaft when the lathe tool carries out the turning to the camshaft, will make the inevitable production deformation of camshaft through long-time processing, influence off-the-shelf quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a clamping mechanism for processing a camshaft, which aims to solve the problem that the deformation is caused by the pressure applied by a turning tool and vertical to the camshaft in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a clamping mechanism for processing a camshaft comprises a shell, a first clamping rod, a second clamping rod, a reset spring, a converging device, a cylinder and a fixing frame, wherein a cavity which completely penetrates through the shell is arranged inside the shell, a rotating shaft is arranged on the shell at one end of the cavity, the first clamping rod and the second clamping rod are rotatably arranged on the rotating shaft, a clamping part is arranged at one end, outside the cavity, of the first clamping rod and the second clamping rod, the converging device comprises a converging plate, a connecting column and a top plate, one end of the connecting column is fixedly connected with the converging plate, the other end of the connecting column is fixedly connected with the top plate, a converging hole is formed in the converging plate, one ends, inside the cavity, of the first clamping rod and the second clamping rod penetrate through the converging hole and are elastically connected by the reset spring, when the top plate moves in a direction away from the shell, the converging hole extrudes the first clamping rod and the second clamping rod to mutually approach and compress the reset spring, the cylinder sets up in the symmetrical both sides of casing, the other both sides of casing are provided with the guiding hole, the piston rod fixed connection of roof and cylinder, the mount includes stand and guide bar, the stand is two and symmetry setting, guide bar both ends and stand fixed connection and longitudinal symmetry setting, the guide bar cooperatees with the guiding hole on the casing and makes casing 1 freely slide on the guide bar.

Furthermore, a polishing part is arranged on the clamping part, a buffer device is fixedly arranged on the polishing part and comprises a buffer guide rod and a buffer limiting rod, one end of the buffer guide rod and one end of the buffer limiting rod are fixedly connected with the polishing part, the other end of the buffer guide rod and the other end of the buffer limiting rod penetrate through the clamping part, a limiting head is arranged at one end of the buffer limiting rod penetrating through the clamping part, and a buffer spring is arranged on the buffer limiting rod between the polishing part and the clamping part.

Further, the buffer devices are arranged on the polishing part at intervals.

Further, the housing is bolted to the guide bar.

Further, the clamping portion is arc-shaped.

The utility model has the beneficial effects that:

according to the utility model, the clamping mechanism which is arranged on the opposite side of the turning tool and comprises the shell, the first clamping rod, the second clamping rod, the reset spring, the bundling device, the cylinder and the fixing frame is used for pushing the bundling device through the cylinder to enable the first clamping rod and the second clamping rod to clamp the camshaft to be turned, so that the transverse acting force on the camshaft during turning of the turning tool is counteracted, the camshaft is prevented from being deformed during high-speed turning, the machining precision is improved, meanwhile, the steps of deburring and polishing are completed during turning through the polishing parts arranged on the clamping parts of the first clamping rod and the second clamping rod, the machining process is omitted, and the production efficiency is improved.

Drawings

Fig. 1 is a perspective view of a clamping mechanism for machining a camshaft according to the present invention.

Fig. 2 is a sectional view of a clamping mechanism for machining a camshaft according to the present invention.

Fig. 3 is a perspective view of a binding device of a clamping mechanism for processing a camshaft according to the present invention.

Fig. 4 is a perspective view of the clamping mechanism for processing the camshaft in use.

Fig. 5 is a perspective view of a first clamping bar of a clamping mechanism for machining a camshaft according to the present invention.

In the figure: the device comprises a shell 1, a cavity 101, a rotating shaft 102, a beam-collecting device 2, a beam-collecting plate 201, a connecting column 202, a top plate 203, a first clamping rod 301, a second clamping rod 302, a return spring 303, a polishing part 304, a buffer guide rod 305, a buffer limiting rod 306, a buffer spring 307, a polishing part 304, a clamping part 308, an air cylinder 4, a guide rod 5, a turning tool 6 and an upright post 7.

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.

In the case of the example 1, the following examples are given,

referring to fig. 1 and 2, the present invention provides a technical solution: the utility model provides a fixture for processing camshaft includes casing 1 and mount, casing 1 is inside to be provided with cavity 101, cavity 101 runs through casing 1 completely, be provided with binding apparatus 2 in the cavity 101, be provided with pivot 102 on the casing 1 of the one end of cavity 101, first clamping bar 301 and second clamping bar 302 set up in pivot 102 and on pivot 102 free rotation, the one end that first clamping bar 301 and second clamping bar 302 are in the cavity 101 outside is provided with the arc clamping part, first clamping bar 301 and second clamping bar 302 are in the inside one end of cavity 101 and are connected by reset spring 303, the both sides of the last symmetry of casing 1 are provided with guiding hole 103, the other both sides are provided with cylinder 4 on the casing 1.

Referring to fig. 3, the bunching device 2 includes a bunching plate 201, a connecting column 202 and a top plate 203, the connecting column 202 fixedly connects the bunching plate 201 and the top plate 203, a bunching hole 204 is formed in the bunching plate 201, one end of the first clamping rod 301 and one end of the second clamping rod 302, which are located inside the cavity 101, pass through the bunching hole 204, the length of the bunching hole 204 along the direction of separating the first clamping rod 301 and the second clamping rod 302 is smaller than the distance between the first clamping rod 301 and the second clamping rod 302, which are located inside the cavity 101 when the return spring 303 is in a free state, and the top plate 203 is fixedly connected with a piston rod of the cylinder 4.

Referring to fig. 4, the fixing frame includes two columns 7 and two guide rods 5 symmetrically disposed, the guide rods 5 are disposed on the columns 7 and symmetrically disposed up and down, the guide rods 5 are matched with the guide holes 103 disposed on the housing 1, and the housing 1 slides freely on the guide rods 5.

During the use, the mount sets up in the offside of lathe tool 6, when carrying out turning to the camshaft and add man-hour, cylinder 4 promotes roof 203 to the direction motion of keeping away from casing 1, and first clamping bar 301 and second clamping bar 302 are held the part that the camshaft did not turn under the effect of binding off hole 204, because mount and lathe tool opposite direction set up, the horizontal effort of lathe tool to the camshaft has been offset to the camshaft behind first clamping bar and the second clamping bar with the camshaft centre gripping, avoided the camshaft to produce deformation when high-speed turning, improved the machining precision.

Example 2

Referring to fig. 5, on the basis of embodiment 1, polishing portions 304 are disposed on the clamping portions 308 of the first clamping bar 301 and the second clamping bar 302, a buffer device is fixedly disposed on the polishing portions 304, the buffer device includes a buffer guide bar 305, a buffer stop bar 306 and a buffer spring 307, one end of the buffer guide bar 305 and the buffer stop bar 306 is fixedly connected with the polishing portions 304, the other end of the buffer guide bar 305 and the buffer stop bar 306 passes through the clamping portions 308, a stop head is disposed at one end of the buffer stop bar 306 passing through the clamping portions 308, the buffer spring 307 is disposed on the buffer stop bar 306 between the polishing portions 304 and the clamping portions 308, and the polishing portions 304 are made of materials such as grinding wheels which can be used for metal polishing.

When the clamping mechanism clamps the camshaft for turning, the polishing part 304 arranged on the clamping part 308 polishes the camshaft, and deburring and polishing are completed while turning, so that the machining process is omitted, and the production efficiency is improved; the buffer device arranged between the polishing part and the clamping part reduces the vibration generated by the direct contact of the camshaft and the clamping part, and improves the stability of the mechanism operation.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a fixture of processing camshaft, includes casing, first clamping bar, second clamping bar, reset spring, closes device, cylinder and mount, its characterized in that: the binding device comprises a binding plate, a connecting column and a top plate, wherein one end of the connecting column is fixedly connected with the binding plate, the other end of the connecting column is fixedly connected with the top plate, a binding hole is formed in the binding plate, one ends of the first clamping rod and the second clamping rod, which are positioned in the cavity, penetrate through the binding hole and are elastically connected by the reset spring, and when the top plate moves in a direction far away from the shell, the binding hole extrudes the first clamping rod and the second clamping rod to mutually approach each other and compress the reset spring, the cylinder set up in symmetrical both sides are gone up to the casing, the other both sides of casing are provided with the guiding hole, the roof with the piston rod fixed connection of cylinder, the mount includes stand and guide bar, the stand is two and symmetry setting, the guide bar both ends with stand fixed connection and longitudinal symmetry set up, the guide bar with the guiding hole cooperatees.

2. The clamping mechanism for processing the camshaft according to claim 1, wherein: the polishing device comprises a clamping part and is characterized in that a polishing part is arranged on the clamping part, a buffer device is fixedly arranged on the polishing part and comprises a buffer guide rod, a buffer limiting rod and a buffer spring, the buffer guide rod and one end of the buffer limiting rod are fixedly connected with the polishing part, the other end of the buffer limiting rod penetrates through the clamping part, a limiting head is arranged at one end of the buffer limiting rod penetrating through the clamping part, and the buffer spring is arranged on the buffer limiting rod between the polishing part and the clamping part.

3. The clamping mechanism for processing the camshaft according to claim 1, wherein: the shell is fixed with the guide rod through bolts.

4. The clamping mechanism for processing the camshaft according to claim 1, wherein: the clamping part is arc-shaped.

5. The clamping mechanism for processing the camshaft according to claim 2, wherein: the buffer devices are arranged on the polishing part at intervals.