Positioning device for machining high-strength hollow camshaft

Abstract

The utility model discloses a positioning device for processing a high-strength hollow camshaft, which relates to the field of camshaft processing and comprises a mounting seat, a positioning rod is abutted against the outer wall of the mounting seat, a moving frame is fixedly connected to the outer wall of the positioning rod, a clamping rod is mounted at one end of the moving frame, and a positioning sheet is mounted on the outer wall of the clamping rod. First springs are welded to the inner walls of the mounting bases, and tensioning frames are welded to one ends of the first springs. The tensioning frame is clamped and fixed through the installation base, when the device is used, adjustment can be conveniently conducted according to the length of the hollow camshaft through the installation base and the tensioning frame, the usability of the device is improved, the abutting disc is subjected to threaded adjustment through the adjustment frame, and when the device is used, the abutting disc is not prone to falling off. And an adjusting frame and an abutting disc are arranged so that the tensioning plate can abut against the hollow cam shaft conveniently, the hollow cam shaft can be rapidly fixed through the tensioning plate conveniently, and the usability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to camshaft processing field, concretely is a kind of positioning device for high-strength hollow camshaft machining. BACKGROUND

[0002] With the increasingly urgent pursuit of energy saving and emission reduction and light weight in automobile industry, hollow camshaft is more and more widely used due to its significant weight reduction effect. Compared with solid camshaft, hollow camshaft can effectively reduce the overall weight of engine under the premise of ensuring strength, thereby reducing fuel consumption and carbon dioxide emission of vehicle. At the same time, hollow structure can also improve the dynamic performance of camshaft to a certain extent, reduce the influence of inertial force, and improve the response speed of engine. The holes on hollow camshaft are usually used for installing sensors, lubricating oil passage communication and other key purposes, and the position accuracy of these holes directly affects the normal operation of engine, so a positioning device for high-strength hollow camshaft machining is needed.

[0003] The existing positioning device for high-strength hollow camshaft machining is inconvenient to adjust according to the length of hollow camshaft and inconvenient to quickly fix hollow camshaft, so there is an urgent need for a positioning device for high-strength hollow camshaft machining. SUMMARY

[0004] Therefore, the utility model aims at providing a positioning device for high-strength hollow camshaft machining to solve the problem that the existing positioning device for high-strength hollow camshaft machining is inconvenient to adjust according to the length of hollow camshaft and inconvenient to quickly fix hollow camshaft during use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a positioning device for high-strength hollow camshaft machining, comprising a mounting seat, the outer wall of the mounting seat is in contact with a positioning rod, the outer wall of the positioning rod is fixedly connected with a moving frame, one end of the moving frame is provided with a clamping rod, the outer wall of the clamping rod is provided with a positioning piece, the inner wall of the mounting seat is welded with a first spring, one end of the first spring is welded with a tensioning frame.

[0006] The inner wall of the tensioning frame is provided with an adjusting frame, the outer wall of the adjusting frame is fixedly connected with a contact disc, the outer wall of the contact disc is in contact with a tensioning plate, the outer wall of the tensioning plate is bonded with a rubber strip, and the two ends of the tensioning plate are welded with a second spring.

[0007] Preferably, the mounting seat and the moving frame are movably connected, and the inner wall of the moving frame is designed as a hole type.

[0008] Preferably, the tensioning frame is connected with the mounting seat, and the tensioning frame is symmetrically arranged with the central axis of the mounting seat.

[0009] Preferably, the tensioning frame is movably connected with the adjusting frame, and the inner wall of the tensioning frame is designed as a perforated type.

[0010] Preferably, the adjusting frame is threadedly connected with the abutting disc, and the outer wall of the adjusting frame is designed as a threaded type.

[0011] Preferably, the tensioning plate is clampedly connected with the tensioning frame, and the tensioning plate is arranged in a ring array on the inner wall of the tensioning frame.

[0012] Preferably, the outer wall of the tensioning plate is tightly attached to the outer wall of the rubber strip, and the length of the outer wall of the tensioning plate is the same as the length of the outer wall of the rubber strip.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The installation seat plays a clamping and fixing role on the tensioning frame, and the installation seat and the tensioning frame are arranged to facilitate adjustment according to the length of the hollow camshaft, thereby increasing the usability of the device.

[0015] 2. The adjusting frame plays a threaded adjusting role on the abutting disc, and the adjusting frame and the abutting disc are arranged to facilitate abutting of the tensioning plate and quick fixing of the hollow camshaft by the tensioning plate, thereby increasing the usability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a front view of the utility model;

[0017] Figure 2 is a structural schematic view of a moving frame part of the utility model;

[0018] Figure 3 is a structural schematic view of a tensioning plate part of the utility model;

[0019] Figure 4 is a structural schematic view of the utility model Figure 1 A part is enlarged;

[0020] Figure 5 is a structural schematic view of the utility model Figure 1 B part is enlarged.

[0021] In the figure: 1, installation seat; 2, positioning rod; 3, moving frame; 4, clamping rod; 5, positioning piece; 6, first spring; 7, tensioning frame; 8, adjusting frame; 9, abutting disc; 10, tensioning plate; 11, rubber strip; 12, second spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.

[0023] The embodiments of the utility model will be described below according to the overall structure of the utility model.

[0024] Please refer to Figures 1-5 A kind of positioning device for high-strength hollow camshaft machining, including mounting seat 1, the outer wall of mounting seat 1 is in contact with positioning rod 2, the outer wall of positioning rod 2 is fixedly connected with moving frame 3, mounting seat 1 is movably connected with moving frame 3, and the inner wall of moving frame 3 is designed as a hole, one end of moving frame 3 is provided with clamping rod 4, the outer wall of clamping rod 4 is provided with positioning sheet 5, the inner wall of mounting seat 1 is all welded with first spring 6, one end of first spring 6 is welded with tensioning frame 7, tensioning frame 7 is hingedly connected with mounting seat 1, and tensioning frame 7 is symmetrically arranged with the central axis of mounting seat 1, and the setting of mounting seat 1 and tensioning frame 7 is convenient for adjusting according to the length of hollow camshaft when using the device, and the use of the device is increased.

[0025] Please refer to Figures 1-5 A kind of positioning device for high-strength hollow camshaft machining, the inner wall of tensioning frame 7 is provided with adjusting frame 8, tensioning frame 7 is movably connected with adjusting frame 8, and the inner wall of tensioning frame 7 is designed as a hole, the outer wall of adjusting frame 8 is fixedly connected with contact disc 9, adjusting frame 8 is threadedly connected with contact disc 9, and the outer wall of adjusting frame 8 is provided with screw thread, the outer wall of contact disc 9 is in contact with tensioning plate 10, tensioning plate 10 is hingedly connected with tensioning frame 7, and tensioning plate 10 is arranged in annular array on the inner wall of tensioning frame 7, the outer wall of tensioning plate 10 is bonded with rubber strip 11, the outer wall of tensioning plate 10 is tightly attached with the outer wall of rubber strip 11, and the outer wall length of tensioning plate 10 is same with the outer wall length of rubber strip 11, both ends of tensioning plate 10 are welded with second spring 12, adjusting frame 8 is provided with thread adjusting effect for contact disc 9, the setting of adjusting frame 8 and contact disc 9 is convenient for the contact of tensioning plate 10 when using the device, the use of the device is increased, and tensioning plate 10 is conveniently fixed to hollow camshaft.

[0026] Working principle: in use, the device is taken out and placed in the designated position, the rubber strip 11 is bonded to the tensioning plate 10, the first spring 6 is in contact with the tensioning frame 7, the mounting seat 1 is opened and moved to the tensioning frame 7, the hollow camshaft is clamped and fixed to the tensioning frame 7, the adjusting frame 8 is rotated to the tensioning frame 7, the adjusting frame 8 is moved to the contact disc 9, the contact disc 9 is in contact with the tensioning plate 10, the tensioning plate 10 is tensioned and fixed to the hollow camshaft, finally the mounting seat 1 is adjusted to the positioning position, the positioning rod 2 is screwed to the mounting seat 1, the moving frame 3 is opened and rotated to the clamping rod 4, the positioning piece 5 is positioned on the upper end of the hollow camshaft, and the hollow camshaft is positioned and processed. Thus, the use process of the device is completed, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0027] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A positioning device for machining a high-strength hollow camshaft, comprising a mounting base (1), characterized in that: The outer wall of the mounting base (1) abuts against a positioning rod (2), and a movable frame (3) is fixedly connected to the outer wall of the positioning rod (2). A locking rod (4) is installed at one end of the movable frame (3), and a positioning piece (5) is installed on the outer wall of the locking rod (4). A first spring (6) is welded to the inner wall of the mounting base (1), and a tensioning frame (7) is welded to one end of the first spring (6). The inner wall of the tensioning frame (7) is equipped with an adjusting frame (8), and the outer wall of the adjusting frame (8) is fixedly connected with an abutting plate (9). The outer wall of the abutting plate (9) abuts against a tensioning plate (10). The outer wall of the tensioning plate (10) is bonded with a rubber strip (11), and a second spring (12) is welded to both ends of the tensioning plate (10).

2. The positioning device for machining a high-strength hollow camshaft according to claim 1, characterized in that: The mounting base (1) is movably connected to the movable frame (3), and the inner wall of the movable frame (3) is designed with openings.

3. The positioning device for machining a high-strength hollow camshaft according to claim 1, characterized in that: The tensioning frame (7) is engaged with the mounting base (1), and the tensioning frame (7) is symmetrically arranged about the central axis of the mounting base (1).

4. The positioning device for machining a high-strength hollow camshaft according to claim 1, characterized in that: The tensioning frame (7) is movably connected to the adjusting frame (8), and the inner wall of the tensioning frame (7) is designed with openings.

5. A positioning device for machining a high-strength hollow camshaft according to claim 1, characterized in that: The adjusting frame (8) is threadedly connected to the contact plate (9), and the outer wall of the adjusting frame (8) is threaded.

6. The positioning device for machining a high-strength hollow camshaft according to claim 1, characterized in that: The tensioning plate (10) is engaged with the tensioning frame (7), and the tensioning plate (10) is arranged in a ring array on the inner wall of the tensioning frame (7).

7. A positioning device for machining a high-strength hollow camshaft according to claim 1, characterized in that: The outer wall of the tensioning plate (10) is closely fitted with the outer wall of the rubber strip (11), and the length of the outer wall of the tensioning plate (10) is the same as the length of the outer wall of the rubber strip (11).

Images