Passive shaft eccentric assembly for rust remover

Abstract

The present invention belongs to the technical field of wire rust removal equipment and relates to a passive shaft eccentric component for a rust remover, including: an eccentric shaft, which has an eccentric shaft main body, a first eccentric shaft portion integrally connected is arranged at one axial end of the eccentric shaft main body, and a second eccentric shaft portion integrally connected is arranged at the other axial end of the eccentric shaft main body; a rubber scraping roller, which is rotatably supported on the eccentric shaft main body; a lubrication device, which has two groups and is respectively arranged at both ends of the eccentric shaft main body; the first eccentric shaft portion is rotatably supported on a support arm, and the second eccentric shaft portion is rotatably supported on an adjusting device; the axes of the first eccentric shaft portion and the second eccentric shaft portion are on the same straight line and are arranged parallel to the axis of the eccentric shaft main body. The eccentric component tightens the abrasive belt through the eccentric shaft, the tightening is reliable and stable, and it can effectively and conveniently replace the abrasive belt.

Description

Technical Field

[0001] The present invention belongs to the technical field of wire rust removal equipment, and relates to a passive shaft eccentric assembly for a rust remover. Background Art

[0002] In production practice, the rust on the surface of the wire will affect the use of the wire, and surface rust removal operations need to be carried out on the wire. Existing rust removal equipment generally has the wire pass through tension wheels that cooperate with each other, and the tension wheels clean the rust on the surface of the wire. The working area of the tension wheel is small, and after using for a period of time, it is necessary to clean its working surface or replace the tension wheel. Summary of the Invention

[0003] In view of the above problems, the present invention provides a passive shaft eccentric assembly for a rust remover. The eccentric assembly tensions the sand belt through an eccentric shaft, and the tensioning is reliable and stable, and can effectively and conveniently replace the sand belt.

[0004] According to the technical solution of the present invention: a passive shaft eccentric assembly for a rust remover, characterized by comprising:

[0005] An eccentric shaft, which has an eccentric shaft main body. One axial end of the eccentric shaft main body is provided with an integrally connected first eccentric shaft portion, and the other axial end of the eccentric shaft main body is provided with an integrally connected second eccentric shaft portion;

[0006] A rubber scraping roller, which is rotatably supported on the eccentric shaft main body;

[0007] A lubrication device, which has two groups and is respectively arranged at both ends of the eccentric shaft main body;

[0008] The first eccentric shaft portion is rotatably supported on a support arm, and the second eccentric shaft portion is rotatably supported on an adjusting device;

[0009] The axes of the first eccentric shaft portion and the second eccentric shaft portion are on the same straight line and are arranged parallel to the axis of the eccentric shaft main body.

[0010] As a further improvement of the present invention, the lubrication device includes a longitudinal oil inlet passage, a transverse oil passage and an oil outlet passage that are respectively arranged at both ends of the eccentric shaft main body and are sequentially communicated. The two oil outlet passages are respectively communicated with the bearing chambers at both ends of the eccentric shaft main body. A retaining oil disc is arranged at the inner end of each bearing chamber, and a sealing cover is arranged in cooperation with the outer end of the bearing chamber.

[0011] As a further improvement of the present invention, the two retaining oil discs are respectively positioned by a first positioning protrusion and a second positioning protrusion that extend radially along both ends of the inner hole of the rubber scraping roller.

[0012] As a further improvement of the present invention, left and right bearing caps are respectively arranged on both sides of the support arm corresponding to the first shaft portion of the eccentric shaft, and a washer is arranged in cooperation between the end face of the right bearing cap and the first shaft portion of the eccentric shaft.

[0013] As a further improvement of the present invention, the adjusting device includes a frame. A carriage is arranged inside the frame, and the bearing seat of the second shaft portion of the eccentric shaft is slidably arranged on the carriage. A fastening nut is fixed on the bearing seat of the second shaft portion of the eccentric shaft and cooperates with a top-level screw threadedly connected to the frame; a straight plate is fastened on one side surface of the frame, and a bent plate is fastened on the other side surface. A V-shaped sleeve is fixed in the mounting hole of the straight plate, and a telescopically adjustable push rod is arranged inside the V-shaped sleeve. The inner end of the push rod is hingedly connected to the force arm through a pin, and the round hole of the force arm is key-connected to the second shaft portion of the eccentric shaft. A first spring is sleeved on the push rod. One end of the first spring abuts against the rod end protrusion of the push rod, and the other end of the first spring abuts against the bottom surface of the V-shaped sleeve; a screw is threadedly connected to the bent portion of the bent plate, and the inner end of the screw is connected to a second spring, and the outer end of the second spring is pressed against the force arm.

[0014] The technical effect of the present invention is as follows: The product of the present invention has a simple and reasonable structure. During operation, when used in cooperation with a sanding belt, the glue scraping roller has a certain length and can perform a tensioning operation on the sanding belt with a certain length. Moreover, the eccentric shaft used to realize the tensioning of the sanding belt can achieve effective radial adjustment to ensure reliable tensioning; at the same time, the replacement of the sanding belt is also convenient and fast. Loosening the eccentric shaft can realize an effective relaxation operation on the sanding belt, thereby facilitating the replacement of the sanding belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the present invention.

[0016] Figure 2 is Figure 1 the A-A cross-sectional view of

[0017] Figure 3 is Figure 1 the B-B cross-sectional view of

[0018] Figure 4 is Figure 1 the right view of

[0019] Figure 5 is Figure 3 the C-C cross-sectional view of

[0020] Figure 6 is a perspective view of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0021] The following further describes the specific embodiments of the present invention in conjunction with the accompanying drawings.

[0022] Figures 1 to 6 It includes a support arm 1, a tightening screw 2, a fastening nut 3, a right bearing cover 4, a washer 5, a left bearing cover 6, a sealing cover 7, an oil baffle 8, an eccentric shaft 9, an eccentric shaft main body 9-1, an eccentric shaft first shaft portion 9-2, an eccentric shaft second shaft portion 9-3, a sleeve 10, a push rod 11, a first spring 12, a V-shaped sleeve 13, a straight plate 14, a bent plate 15, a screw 16, a second spring 17, a pin 18, a carriage 19, a rubber scraping roller 20, a frame 21, a lever arm 22, etc.

[0023] As Figures 1 to 6 shown, the present invention is a passive shaft eccentric assembly for a rust remover, including:

[0024] An eccentric shaft 9, which has an eccentric shaft main body 9-1. One axial end of the eccentric shaft main body 9-1 is provided with an eccentric shaft first shaft portion 9-2 integrally connected, and the other axial end of the eccentric shaft main body 9-1 is provided with an eccentric shaft second shaft portion 9-3 integrally connected;

[0025] A rubber scraping roller 20, which is rotatably supported on the eccentric shaft main body 9-1;

[0026] A lubrication device, which has two groups and is respectively arranged at both ends of the eccentric shaft main body 9-1;

[0027] The eccentric shaft first shaft portion 9-2 is rotatably supported on the support arm 1, and the eccentric shaft second shaft portion 9-3 is rotatably supported on an adjusting device;

[0028] The axes of the eccentric shaft first shaft portion 9-2 and the eccentric shaft second shaft portion 9-3 are on the same straight line and are arranged parallel to the axis of the eccentric shaft main body 9-1.

[0029] The lubrication device includes a longitudinal oil inlet passage 9-4, a transverse oil passage 9-5 and an oil outlet passage 9-6 which are respectively arranged at both ends of the eccentric shaft main body 9-1 and are sequentially communicated. The two oil outlet passages 9-6 are respectively communicated with the bearing chambers at both ends of the eccentric shaft main body 9-1. A baffle 8 is arranged at the inner end of each bearing chamber, and a sealing cover 7 is arranged at the outer end of the bearing chamber in a matching manner.

[0030] The two baffles 8 are respectively positioned by a first positioning protrusion 20-1 and a second positioning protrusion 20-2 which are radially extended along both ends of the inner hole of the rubber scraping roller 20.

[0031] Left and right bearing covers 6 and 4 are respectively arranged on both sides of the eccentric shaft first shaft portion 9-2 corresponding to the support arm 1, and a washer 5 is arranged between the end face of the right bearing cover 4 and the eccentric shaft first shaft portion 9-2 in a matching manner.

[0032] The adjusting device comprises a frame 21, a slide 19 is arranged inside the frame 21, a bearing seat of the second shaft portion 9-3 of the eccentric shaft is slidably arranged on the slide 19, a fastening nut 3 is fixed on the bearing seat of the second shaft portion 9-3 of the eccentric shaft, and a top screw 2 threadedly connected on the frame 21 and the fastening nut 3 cooperate with each other; a straight plate 14 is fastened to one side of the frame 21, and a bent plate 15 is fastened to the other side, a V-shaped sleeve 13 is fixed in the mounting hole of the straight plate 14, and a telescopically adjustable push rod 11 is arranged inside the V-shaped sleeve 13 The inner end of the push rod 11 is hingedly connected to the force arm 22 by a pin 18, and the round hole of the force arm 22 is connected to the second shaft portion 9-3 of the eccentric shaft by a key. The push rod 11 is sleeved with a first spring 12, one end of the first spring 12 is pressed against the rod end protrusion of the push rod 11, and the other end of the first spring 12 is pressed against the bottom surface of the V-shaped sleeve 13; the bent portion of the bent plate 15 is threadedly connected to the screw 16, the inner end of the screw 16 is connected to the second spring 17, and the outer end of the second spring 17 is pressed against the force arm 22.

[0033] The product of the present invention has a simple and reasonable structure. When in use, it is installed on the rust remover according to the correct installation requirements. During the working process, the sanding belt is tensioned on the rubber scraping roller 20 and the driving wheel installed on the rust remover. The tension adjustment of the sanding belt is achieved by adjusting the eccentric shaft 9. During the working process, the tightening screw 2 can be rotated and adjusted according to the actual needs. The tightening screw 2 drives the second shaft part 9-3 of the eccentric shaft to move up and down during the adjustment process, and reliable adjustment can be achieved. In order to avoid axial beating of the bent steel wire during the steel wire rust removal process, the present invention is also provided with a second spring 17, which can realize automatic return adjustment of the force arm 22, and the push rod 11 can effectively adjust the force arm 22; the product of the present invention can achieve effective tension adjustment of the sanding belt.

Claims

1. A passive shaft eccentric assembly for a rust removal machine, Characterized in that, Comprising: An eccentric shaft (9), which has an eccentric shaft body (9-1). One axial end of the eccentric shaft body (9-1) is integrally connected with a first eccentric shaft portion (9-2), and the other axial end of the eccentric shaft body (9-1) is integrally connected with a second eccentric shaft portion (9-3); A rubber scraping roller (20), which is rotatably supported on the eccentric shaft body (9-1); A lubricating device, which has two groups and is respectively arranged at both ends of the eccentric shaft body (9-1); The first eccentric shaft portion (9-2) is rotatably supported on a support arm (1), and the second eccentric shaft portion (9-3) is rotatably supported on an adjusting device; The axes of the first eccentric shaft portion (9-2) and the second eccentric shaft portion (9-3) are on the same straight line and are arranged parallel to the axis of the eccentric shaft body (9-1); The adjusting device includes a frame (21). A sliding carriage (19) is arranged inside the frame (21). The bearing seat of the second eccentric shaft portion (9-3) is slidably arranged on the sliding carriage (19). A fastening nut (3) is fixed on the bearing seat of the second eccentric shaft portion (9-3), and a top screw (2) threadedly connected to the frame (21) cooperates with the fastening nut (3); A straight plate (14) is fastened to one side surface of the frame (21), and a bent plate (15) is fastened to the other side surface. A V-shaped sleeve (13) is fixed in the mounting hole of the straight plate (14). A telescopic and adjustable push rod (11) is arranged inside the V-shaped sleeve (13). The inner end of the push rod (11) is hingedly connected to a force arm (22) through a pin (18). The round hole of the force arm (22) is key-connected to the second eccentric shaft portion (9-3). A first spring (12) is sleeved on the push rod (11). One end of the first spring (12) abuts against the rod end protrusion of the push rod (11), and the other end of the first spring (12) abuts against the bottom surface of the V-shaped sleeve (13); A screw (16) is threadedly connected to the bent portion of the bent plate (15). The inner end of the screw (16) is connected to a second spring (17), and the outer end of the second spring (17) presses against the force arm (22); The lubricating device includes a longitudinal oil inlet channel (9-4), a transverse oil channel (9-5) and an oil outlet channel (9-6) which are respectively arranged at both ends of the eccentric shaft body (9-1) and are sequentially communicated. The two oil outlet channels (9-6) are respectively communicated with the bearing chambers at both ends of the eccentric shaft body (9-1). A baffle plate (8) is arranged at the inner end of each bearing chamber, and a sealing cover (7) is arranged in cooperation with the outer end of the bearing chamber; Left and right bearing covers (6) and (4) are respectively arranged on both sides of the first eccentric shaft portion (9-2) corresponding to the support arm (1). A washer (5) is arranged in cooperation between the right bearing cover (4) and the end face of the first eccentric shaft portion (9-2).

2. The passive shaft eccentric assembly for a rust removal machine according to claim 1, Characterized in that: The two baffle plates (8) are respectively positioned by a first positioning protrusion (20-1) and a second positioning protrusion (20-2) which extend radially along both ends of the inner hole of the rubber scraping roller (20).

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