Cam follower shaft

Abstract

The utility model belongs to the technical field of cam followers, and particularly relates to a cam follower shaft which comprises a follower shaft body. The follower shaft body comprises a ring connecting part, an oil hole part and a shaft rod thread part, an outer ring is arranged on the outer side of the ring connecting part, an oil nozzle is formed in the oil hole part, a plug is detachably arranged on the oil nozzle, a plurality of oil ports are uniformly formed in the ring connecting part and are communicated with the oil nozzle, a chromium plating layer is arranged on the outer side of the follower shaft body, and a chromium plating layer is arranged on the outer side of the shaft rod thread part. A shaft body compression-resistant mechanism is arranged in the follower shaft body, a nut is in threaded connection with the shaft rod threaded part, the shaft body compression-resistant mechanism comprises an embedding groove formed in the extension direction of the follower shaft body, the embedding groove comprises a middle groove and a plurality of side grooves evenly formed in the outer side of the middle groove, and a cushion layer is arranged on the inner wall of the embedding groove; and the high-manganese alloy insert block is arranged in the caulking groove and is attached to the cushion layer, so that the pressure resistance of the cam follower shaft can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cam follower shaft technical field, specifically a cam follower shaft. BACKGROUND

[0002] The cam follower is a kind of mechanical device, mainly used to convert the rotary motion of cam into linear or angular motion. It plays an important role in mechanical manufacturing, automation production and industrial control field.

[0003] Generally speaking, cam follower includes outer ring 5 and as the axle of support column, cam follower can be used as guide roller to replace bearing, when cam follower's matched side is plane, cam follower can make linear motion, when matched side is curved surface, cam follower can also make curve swing.

[0004] When matched side is curved surface, cam follower makes curve swing, cam follower axle column needs to bear larger pressure, generally, cam follower axle is single column structure, the pressure resistance of cam follower axle is not good, influence the service life of cam follower axle, therefore, aiming at the above problems, a cam follower axle is provided. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of prior art, solve at least one technical problem proposed in the background art, the utility model provides a cam follower axle.

[0006] The utility model discloses a cam follower axle, including follower axle body, the follower axle body includes ring connecting portion, oil hole portion and axle rod screw portion, ring connecting portion, oil hole portion and axle rod screw portion integrated structure are arranged, the outside of ring connecting portion is provided with outer ring, the oil nozzle is seted up on the oil hole portion, the plug is detachably arranged on the oil nozzle, a plurality of oil ports are evenly arranged on the ring connecting portion, a plurality of oil ports are communicated with a plurality of oil nozzles, the outside of follower axle body is provided with chromium plating, the inside of follower axle body is provided with axle body pressure resistance mechanism, the screw nut is connected on the axle rod screw portion.

[0007] Preferably, the axle body pressure resistance mechanism includes the embedding slot along the extension direction of the follower axle body, the embedding slot includes the middle slot and the plurality of side slots evenly arranged on the outside of the middle slot, the inner wall of the embedding slot is provided with the pad layer, the embedding slot is provided with the high manganese alloy inlay block, the high manganese alloy inlay block is attached with the pad layer.

[0008] Preferably, the longitudinal section of the side slot is T-shaped.

[0009] Preferably, the high manganese alloy insert is provided with a reinforcing frame.

[0010] Preferably, a support ring is arranged on the outer side of the ring connecting part, and a plurality of reinforcing plates are uniformly arranged between the support ring and the oil hole part.

[0011] Preferably, a rubber sleeve is detachably arranged on the outer ring.

[0012] The utility model discloses beneficial effects:

[0013] The utility model provides a cam follower shaft, through the inside setting of the shaft body of follower shaft body anti -pressure mechanism, promotes the shaft body anti -pressure ability of follower shaft body, and further promotes the service life of cam follower shaft.

[0014] The utility model provides a cam follower shaft, through setting support ring on the outer side of ring connecting part, and support ring and oil hole part between even setting with a plurality of reinforcing plates, promote the compressive resistance between ring connecting part and oil hole part, and further promote the compressive resistance of follower shaft body. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings described herein are used to provide further understanding of the utility model and constitute part of the application, and the illustrative embodiment and the description of the utility model are used to explain the utility model and do not constitute improper limitation to the utility model.

[0016] In the drawings:

[0017] Figure 1 It is the perspective view of the utility model;

[0018] Figure 2 It is Figure 1 The enlarged view of A in the figure;

[0019] Figure 3 It is the perspective view of follower shaft body;

[0020] Figure 4 It is Figure 3 The enlarged view of B in the figure;

[0021] Figure 5 It is the structural schematic view of follower shaft body.

[0022] Legend:

[0023] 1, follower shaft body; 2, ring connecting part; 3, oil hole part; 4, shaft rod threaded part; 5, outer ring; 6, oil nozzle; 7, plug; 8, oil port; 9, chrome plating; 10, nut; 11, middle groove; 12, side groove; 13, cushion layer; 14, high manganese alloy insert; 15, reinforcing frame; 16, support ring; 17, reinforcing plate; 18, rubber sleeve. DETAILED DESCRIPTION

[0024] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] The specific embodiments are given below.

[0026] Please refer to Figures 1-5 The utility model provides a cam follower shaft, including follower shaft body 1, follower shaft body 1 is made of fine steel material, follower shaft body 1 includes circle connecting portion 2, oil hole portion 3 and shaft pole screw portion 4, circle connecting portion 2, oil hole portion 3 and shaft pole screw portion 4 integrally formed structure are arranged, the outside of circle connecting portion 2 is provided with outer ring 5, outer ring 5 can rotate on the outside of circle connecting portion 2, oil nozzle 6 is set up on oil hole portion 3, and plug 7 is detachably arranged on oil nozzle 6, a plurality of oil ports 8 are evenly set up on circle connecting portion 2, a plurality of oil ports 8 are communicated with a plurality of oil nozzles 6, and the user can take down plug 7, adds lubricant to oil nozzle 6, and then lubricates circle connecting portion 2 and outer ring 5 through a plurality of oil ports 8, the outside of follower shaft body 1 is provided with chromium plating 9, improves the wear resistance of follower shaft body 1, the inside of follower shaft body 1 is provided with shaft body pressure resistance mechanism, improves the shaft body pressure resistance of follower shaft body 1, and then improves the service life of cam follower shaft, and the screw cap 10 is threadedly connected on the shaft pole screw portion 4, which facilitates the installation of cam follower in the specified position of equipment.

[0027] Further, as shown in Figure 3 And Figure 5 The shaft body pressure resistance mechanism includes an embedding groove extending along the extension direction of the follower shaft body 1, the embedding groove includes a middle groove 11 and a plurality of side grooves 12 evenly arranged on the outer side of the middle groove 11, a cushion layer 13 is arranged on the inner wall of the embedding groove, and a high-manganese alloy embedding block 14 is arranged in the embedding groove. The high-manganese alloy embedding block 14 is in contact with the cushion layer 13. Through the structural arrangement of the shaft body pressure resistance mechanism, the pressure resistance of the follower shaft body 1 is improved, and the service life of the cam follower shaft is improved.

[0028] Further, as shown in Figure 3 And Figure 4 The longitudinal section of the side groove 12 is in the shape of T. By embedding the high-manganese alloy embedding block 14 in the side groove 12, the side of the follower shaft body 1 is effectively supported, and the shaft body pressure resistance of the follower shaft body 1 is improved.

[0029] Further, as shown in Figure 3 AndFigure 4 As shown, the high manganese alloy insert 14 is provided with a reinforcing frame 15, by embedding the high manganese alloy insert 14 in the embedding groove, and providing the reinforcing frame 15 in the high manganese alloy insert 14, the compression resistance of the follower shaft body 1 is improved.

[0030] Further, as shown, Figure 3 As shown, the outer side of the ring connecting portion 2 is provided with a supporting ring 16, and a plurality of reinforcing plates 17 are uniformly arranged between the supporting ring 16 and the oil hole portion 3, thereby improving the compression resistance between the ring connecting portion 2 and the oil hole portion 3, and further improving the compression resistance of the follower shaft body 1.

[0031] Further, as shown, Figure 1 As shown, the outer ring 5 is detachably provided with a rubber sleeve 18, thereby improving the flexibility of the cam follower, which can be used by replacing the bearing with the outer ring 5 guide roller, or can be used by sleeving the rubber sleeve 18 on the outer ring 5.

[0032] Working principle: the shaft compression mechanism arranged in the follower shaft body 1 improves the shaft compression capacity of the follower shaft body 1, and further improves the service life of the cam follower shaft;

[0033] The embedding groove is arranged in the follower shaft body 1, the embedding groove includes a middle groove 11 and a plurality of side grooves 12 uniformly arranged on the outer side, the longitudinal section of the side groove 12 is in T shape, a pad 13 is arranged on the inner wall of the embedding groove, a high manganese alloy insert 14 is arranged in the embedding groove, by such structure, the compression resistance of the follower shaft body 1 is improved, and the reinforcing frame 15 is arranged in the high manganese alloy insert 14, thereby improving the support of the high manganese alloy insert 14 to the embedding groove, and further improving the compression resistance of the follower shaft body 1;

[0034] The supporting ring 16 is arranged on the outer side of the ring connecting portion 2, and a plurality of reinforcing plates 17 are uniformly arranged between the supporting ring 16 and the oil hole portion 3, thereby improving the compression resistance between the ring connecting portion 2 and the oil hole portion 3, and further improving the compression resistance of the follower shaft body 1, and the outer side of the follower shaft body 1 is provided with a chromium plating layer 9, thereby improving the wear resistance of the follower shaft body 1.

[0035] The above shows and describes the basic principle, main features and advantages of the present application. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A cam follower shaft comprising a follower shaft body (1); characterized in that: The servo shaft body (1) comprises a ring connecting part (2), an oil hole part (3) and a shaft rod threaded part (4), which are integrally formed, an outer ring (5) is arranged on the outer side of the ring connecting part (2), an oil nozzle (6) is arranged on the oil hole part (3), a plug (7) is detachably arranged on the oil nozzle (6), a plurality of oil ports (8) are uniformly arranged on the ring connecting part (2), the plurality of oil ports (8) are in communication with the plurality of oil nozzles (6), a chromium plating layer (9) is arranged on the outer side of the servo shaft body (1), a shaft body pressure resisting mechanism is arranged in the servo shaft body (1), and a nut (10) is threadedly connected to the shaft rod threaded part (4).

2. A cam follower shaft according to claim 1, wherein: The shaft body pressure resisting mechanism comprises an embedding groove which is arranged along the length direction of the servo shaft body (1), the embedding groove comprises a middle groove (11) and a plurality of side grooves (12) which are uniformly arranged on the outer side of the middle groove (11), a cushion layer (13) is arranged on the inner wall of the embedding groove, a high manganese alloy embedding block (14) is arranged in the embedding groove, and the high manganese alloy embedding block (14) is in close contact with the cushion layer (13).

3. A cam follower shaft according to claim 2, wherein: The longitudinal section of the side groove (12) is in T shape.

4. A cam follower shaft according to claim 2, wherein: The high manganese alloy embedding block (14) is provided with a reinforcing frame (15).

5. A cam follower shaft as claimed in claim 1, wherein: A supporting ring (16) is arranged on the outer side of the ring connecting part (2), and a plurality of reinforcing plates (17) are uniformly arranged between the supporting ring (16) and the oil hole part (3).

6. A cam follower shaft as claimed in claim 1, characterized in that: A rubber sleeve (18) is detachably arranged on the outer ring (5).

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