A device for full polishing of steel strip surface

Abstract

The application discloses a kind of steel bar surface full polishing polishing device, it is related to polishing equipment field, the application includes base, and the base is fixedly connected with the polishing mechanism for polishing steel bar;Polishing mechanism includes motor and polishing wheel, and the base is rotatably connected with the rotating roller matched with polishing wheel, and the rotating roller both ends are connected with bearing seat;The base is fixedly connected with the conveying mechanism for driving steel bar to move forward, and the conveying mechanism includes connecting frame, and connecting frame is connected with movable frame, and movable frame is rotatably connected with multiple rotating frames along its length direction, and rotating frame is rotatably connected with the drive wheel for driving steel bar to be forwarded;The application is equipped with conveying mechanism on base, and conveying mechanism is equipped with multiple drive wheels with steel bar skew setting, and drive wheel rotates and applies axial forward thrust to steel bar, to drive steel bar to move forward in the process of polishing, increase the convenience of steel bar polishing.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of polishing equipment, and particularly relates to a full polishing device for the surface of a steel bar. BACKGROUND

[0002] Polishing refers to a processing method for reducing the roughness of a workpiece surface by using mechanical, chemical or electrochemical action to obtain a bright and smooth surface. Polishing cannot improve the dimensional accuracy or geometric shape accuracy of the workpiece, but is used to obtain a smooth surface or mirror gloss, and sometimes is also used to eliminate gloss (matte). A polishing wheel is usually used as a polishing tool. The polishing wheel rotates at high speed to polish the metal surface and remove rust therefrom.

[0003] The existing steel bar polishing device only has the function of polishing when polishing the steel bar, and cannot drive the steel bar to move forward. The existing method is to manually pull the steel bar to move forward or to use other driving equipment to drive the steel bar to move forward, thereby increasing the labor cost and equipment cost, and the functionality of the steel bar polishing device needs to be improved. SUMMARY

[0004] In view of the above technical problems, the present application provides a full polishing device for the surface of a steel bar, which is characterized in that a conveying mechanism is arranged on the base, and the conveying mechanism drives the steel bar to move forward while the steel bar is being polished, thereby solving the problem that the polishing mechanism cannot drive the steel bar to move forward.

[0005] To solve the above technical problems, the present application adopts the following technical scheme:

[0006] The present application is a full polishing device for the surface of a steel bar, which comprises a base, a polishing mechanism for polishing the steel bar being fixedly connected to the base, a motor and a polishing wheel, a rotating roller cooperating with the polishing wheel being rotatably connected to the base, the steel bar being arranged between the polishing wheel and the rotating roller, and a bearing seat being connected to both ends of the rotating roller. The base is fixedly connected with a conveying mechanism for driving the steel bar to move forward, the conveying mechanism comprises a connecting frame, a movable frame being connected to the connecting frame, a plurality of rotating frames being uniformly rotatably connected to the movable frame along the length direction of the movable frame, a driving wheel for driving the steel bar to move forward being rotatably connected to the rotating frame, and the surface of the driving wheel being in contact with the rotating roller and the steel bar respectively. When the rotating roller rotates, the driving wheel rotates, the steel bar moves forward under the rotation of the driving wheel, and the steel bar automatically moves forward while being polished.

[0007] As a preferred technical scheme of the present application, the motor is installed on the base, the base is provided with sliding rails in sliding cooperation with the base, and a screw rod is connected to the base, one end of the screw rod is in threaded connection with the base, and the position of the base can be adjusted through the screw rod, so that the grinding wheel keeps in contact with the surface of the steel strip.

[0008] As a preferred technical scheme of the present application, the base is connected with a rotating shaft, the grinding wheel is installed on the rotating shaft, the rotating shaft and the rotating shaft of the motor are connected through a belt line transmission, and a belt pulley in cooperation with the belt line is installed on the rotating shaft and the rotating shaft of the motor, so as to drive the rotating shaft and the grinding wheel to rotate.

[0009] As a preferred technical scheme of the present application, the movable frame is connected with an elastic mechanism between the connecting frame, the elastic mechanism includes a spring and a sliding rod, and the connecting frame is provided with a sliding bar in sliding cooperation with the movable frame; when the angle of the driving wheel is adjusted, the elastic force of the elastic mechanism makes the driving wheel keep in contact with the rotating roller at all times, and the rotating roller can drive the driving wheel to rotate when it rotates.

[0010] As a preferred technical scheme of the present application, the movable frame is connected with a moving rod, the movable frame is provided with a sliding hole in sliding cooperation with the moving rod, the moving rod is connected with each rotating frame, a threaded rod is in threaded connection with the movable frame, and one end of the threaded rod is in rotary connection with the moving rod; the moving rod can be driven to move by rotating the threaded rod, the moving rod drives each rotating frame to rotate, thereby changing the angle of the driving wheel and adjusting the forward moving speed of the steel strip.

[0011] As a preferred technical scheme of the present application, the rotating roller is connected with a speed change mechanism between the rotating shaft, the speed change mechanism includes a pair of speed change wheels with adjustable spacing, the speed change wheels are installed at one end of the rotating roller, a transmission belt is connected between the two speed change wheels, a power wheel in cooperation with the transmission belt is fixedly connected to the rotating shaft, and the inner side of the speed change wheel and the inner surface of the transmission belt are provided with a conical surface structure; when the spacing between the two speed change wheels decreases, the transmission diameter of the speed change wheel increases; when the spacing between the two speed change wheels increases, the transmission diameter of the speed change wheel decreases, so as to ensure stable transmission; the transmission diameter of the speed change wheel can be adjusted by adjusting the spacing between the two speed change wheels, so as to change the rotating speed of the rotating roller and the rotating speed of the driving wheel, thereby changing the forward moving speed of the steel strip.

[0012] As a preferred technical scheme of the present application, the connecting shaft penetrates one of the speed change wheels, the connecting shaft is connected with a compression spring and a limiting plate, and the end of the connecting shaft is connected with a limiting nut; the transmission belt and the speed change wheel are in close contact through the compression spring, the limiting plate and the limiting nut, so as to ensure stable transmission.

[0013] As a preferred technical scheme of the present application, the variable speed mechanism further comprises a tensioning mechanism matched with the transmission belt, the tensioning mechanism is fixedly connected to the base, the tensioning mechanism comprises a fixing frame, a movable lifting block is connected to the fixing frame, a rotating rod is rotatably connected to the fixing frame, a tensioning wheel matched with the transmission belt is connected to the rotating rod, a pull rod is connected between the lifting block and the rotating rod, the position of the lifting block is adjusted to drive the rotating rod to rotate, so that the tensioning wheel is tightly pressed on the transmission belt, and the diameter adjustment of the variable speed wheel is matched to ensure that the transmission belt is in a tensioned state.

[0014] As a preferred technical scheme of the present application, the fixing frame is provided with a strip-shaped hole matched with the lifting block in sliding mode, and the lifting block is fixedly connected to the strip-shaped hole through bolts, so that the position of the lifting block is conveniently adjusted.

[0015] The present application has the following beneficial effects:

[0016] The present application is provided with a conveying mechanism on the base, a plurality of driving wheels are arranged to be inclined to the steel bar on the conveying mechanism, the driving wheels are respectively in contact with the rotating roller and the steel bar, the rotating roller drives the driving wheels to rotate when rotating, and the driving wheels apply an axial forward thrust to the steel bar when rotating, so that the steel bar is moved forward during polishing.

[0017] The present application is provided with a moving rod connected to the movable frame, the moving rod drives the rotating frame to rotate when moving, so that the angle between the driving wheel and the axial direction of the steel bar is changed, the thrust applied by the driving wheel to the axial direction of the steel bar is adjusted, and the forward conveying speed of the steel bar is adjusted.

[0018] The present application can realize polishing and forward conveying of the steel bar by only one motor, the equipment cost is saved, and the variable speed mechanism is connected between the rotating shaft and the rotating roller, the speed of the rotating roller is adjusted through the variable speed mechanism, the rotating speed of the driving wheel is adjusted, and the forward conveying speed of the steel bar is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical schemes in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 A structural schematic view of a steel bar surface full polishing and polishing device is provided.

[0021] Figure 2 A structural schematic view of a steel bar surface full polishing and polishing device is provided. Figure 1schematic view of the front view.

[0022] Figure 3 schematic view of the structure of the polishing mechanism.

[0023] Figure 4 schematic view of the structure of the conveying mechanism.

[0024] Figure 5 schematic view of the front view. Figure 4

[0025] Figure 6 schematic view of the structure of the speed change mechanism.

[0026] Reference signs: 1 - base; 2 - polishing mechanism; 21 - motor; 22 - machine base; 23 - rotating shaft; 24 - polishing wheel; 25 - power wheel; 3 - rotating roller; 4 - conveying mechanism; 41 - connecting frame; 42 - movable frame; 43 - elastic mechanism; 44 - rotating frame; 45 - driving wheel; 46 - connecting rod; 47 - moving rod; 48 - threaded rod; 49 - sliding hole; 410 - sliding bar; 5 - speed change mechanism; 51 - speed change wheel; 52 - transmission belt; 53 - limiting plate; 54 - compression spring; 55 - connecting shaft; 56 - rotating rod; 57 - lifting block; 58 - pull rod; 59 - tension wheel; 510 - strip-shaped hole; 511 - fixed frame; 6 - lead screw; 7 - sliding rail; 8 - bearing seat. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0028] Embodiment: as Figures 1-6 ​As shown, the present application is a kind of steel bar surface full polishing device, including base 1, base 1 is fixedly connected with the polishing mechanism 2 for polishing steel bar;Polishing mechanism 2 includes motor 21 and polishing wheel 24, polishing wheel 24 is provided with a pair, respectively, rough polishing and fine polishing;Motor 21 is installed on the base 22, the base 22 is connected with rotating shaft 23, polishing wheel 24 is installed on rotating shaft 23, rotating shaft 23 and motor 21 shaft are connected by belt line transmission, base 1 is provided with the sliding rail 7 of sliding fit with base 22, and base 1 is connected with lead screw 6, one end of lead screw 6 is threadedly connected with base 22, the other end of lead screw 6 is connected with rotary disc, rotating lead screw 6 can drive base 22 to move, adjust the position of polishing wheel 24;Base 1 is rotatably connected with rotating roller 3 matched with polishing wheel 24, steel bar is arranged between polishing wheel 24 and rotating roller 3, steel bar is contacted with polishing wheel 24 and rotating roller 3 respectively, rotating roller 3 is connected with bearing seat 8 at both ends, bearing seat 8 is installed on base 1.

[0029] As shown in Figure 2 , Figure 4 and Figure 5 , base 1 is fixedly connected with conveying mechanism 4 for driving steel bar to move forward, conveying mechanism 4 includes connecting frame 41, connecting frame 41 is installed on base 1, connecting frame 41 is connected with movable frame 42, movable frame 42 can move on connecting frame 41, a plurality of rotating frames 44 are uniformly rotatably connected on movable frame 42 along the length direction thereof, rotating frame 44 is L-shaped structure, driving wheel 45 for driving steel bar to forward convey is rotatably connected on rotating frame 44, driving wheel 45 is arranged below rotating roller 3, driving wheel 45 is inclined to the direction of steel bar conveying, driving wheel 45 surface is respectively contacted with rotating roller 3 and steel bar, rotating roller 3 drives driving wheel 45 to rotate when rotating, driving wheel 45 applies an axial forward thrust to steel bar when rotating, drives steel bar to move forward while rotating;Among them, connecting frame 41 is provided with sliding strip 410 slidably matched with movable frame 42, elastic mechanism 43 is connected between movable frame 42 and connecting frame 41, elastic mechanism 43 includes spring and slide rod, spring applies elastic force to movable frame 42, so that driving wheel 45 and rotating roller 3, steel bar surface always keep contact;Movable frame 42 is connected with moving rod 47, movable frame 42 is provided with sliding hole 49 slidably matched with moving rod 47, connecting rod 46 is connected between moving rod 47 and each rotating frame 44, threaded rod 48 is threadedly connected on movable frame 42, one end of threaded rod 48 is rotatably connected with moving rod 47, rotating threaded rod 48 can drive moving rod 47 to move, moving rod 47 moves driving rotating frame 44 to rotate, in turn, changes the angle between driving wheel 45 and steel bar, changes the axial thrust of driving wheel 45 to steel bar, so as to change the conveying speed of steel bar forward.

[0030] As shown in Figure 1 and Figure 6As shown, the rotating roller 3 is connected with the speed change mechanism 5 between the rotating shaft 23, the rotating shaft 23 drives the rotating roller 3 to rotate through the speed change mechanism 5, the speed change mechanism 5 includes a pair of spacing adjustable speed change wheels 51, the speed change wheels 51 are installed at one end of the rotating roller 3, the two speed change wheels 51 are fixedly connected through the telescopic rod, the transmission belt 52 is connected between the two speed change wheels 51, the power wheel 25 is fixedly connected on the rotating shaft 23 and cooperates with the transmission belt 52, the inner side of the speed change wheel 51 and the inner surface of the transmission belt 52 are all provided with the conical surface structure which matches each other, the position of the transmission belt 52 between the speed change wheels 51 is conveniently adjusted, the contact area of the speed change wheel 51 and the transmission belt 52 is increased, and the transmission stability is ensured, when the spacing between the two speed change wheels 51 is reduced, the transmission belt 52 moves to the side of the speed change wheel 51, the transmission diameter of the speed change wheel 51 is increased, at this time, the rotating speed of the speed change wheel 51 is reduced; when the spacing between the two speed change wheels 51 is increased, the transmission belt 52 moves to the center of the speed change wheel 51, the transmission diameter of the speed change wheel 51 is reduced, at this time, the rotating speed of the speed change wheel 51 is increased; the connecting shaft 55 is connected between the two speed change wheels 51, the position of the outer speed change wheel 51 can move along the connecting shaft 55, the connecting shaft 55 penetrates the outer speed change wheel 51, the compression spring 54 and the limiting plate 53 are connected on the connecting shaft 55, the compression spring 54 applies the elastic force to the outer speed change wheel 51, so that the speed change wheel 51 keeps in contact with the transmission belt 52, and the end of the connecting shaft 55 is connected with the limiting nut, the position of the outer speed change wheel 51 is adjusted through the limiting nut, so that the spacing between the two speed change wheels 51 is adjusted; when the rotating speed of the rotating roller 3 is increased, the rotating speed of the driving wheel 45 is increased, so that the conveying speed of the steel bar in the forward direction is increased; the speed change mechanism 5 further includes the tensioning mechanism which cooperates with the transmission belt 52, the tensioning mechanism is fixedly connected on the base 1, the tensioning mechanism includes the fixed frame 511, the fixed frame 511 is installed on the base 1, the movable lifting block 57 is connected on the fixed frame 511, the strip-shaped hole 510 which slidably cooperates with the lifting block 57 is arranged on the fixed frame 511, the lifting block 57 is fixedly connected on the strip-shaped hole 510 through the bolt, the rotating rod 56 is rotatably connected on the fixed frame 511, the tensioning wheel 59 which cooperates with the transmission belt 52 is connected on the rotating rod 56, the pulling rod 58 is connected between the lifting block 57 and the rotating rod 56, the tensioning wheel 59 is in contact with the inner surface of the transmission belt 52, the transmission belt 52 is tightly stretched through the change of the position of the lifting block 57.

[0031] Working principle: when polishing, the steel bar is placed between the rotating roller 3 and the polishing wheel 24, the motor 21 drives the polishing wheel 24 to rotate, the polishing wheel 24 polishes the surface of the steel bar, the polishing wheel 24 drives the rotating roller 3 to rotate through the speed change mechanism 5 when rotating, the rotating roller 3 drives the driving wheel 45 to rotate when rotating, the driving wheel 45 applies the axial thrust to the steel bar when rotating, so that the steel bar is automatically moved forward while being polished, the automatic overall polishing of the steel bar is facilitated, and the functionality of the equipment is increased.

[0032] Obviously, many modifications and variations of the present application are possible in light of the above teachings. It is, therefore, to be understood that within the scope of the appended claims and their equivalents, the application can be practiced otherwise than as specifically described.

Claims

1. A device for fully grinding and polishing the surface of a steel bar, comprising a base (1), wherein a grinding mechanism (2) for grinding the steel bar is fixedly connected to the base (1), characterized in that: The grinding mechanism (2) includes a motor (21) and a grinding wheel (24). A rotating roller (3) cooperating with the grinding wheel (24) is rotatably connected to the base (1). A steel strip is disposed between the grinding wheel (24) and the rotating roller (3). Bearing seats (8) are connected to both ends of the rotating roller (3). The motor (21) is mounted on the machine base (22). A slide rail (7) that slides with the machine base (22) is provided on the base (1). A lead screw (6) is connected to the base (1). One end of the lead screw (6) is threadedly connected to the machine base (22). A rotating shaft (23) is connected to the machine base (22). The grinding wheel (24) is mounted on the rotating shaft (23). The rotating roller (3) is connected to the rotating shaft (23). A speed-changing mechanism (5) is connected between the two gears. The speed-changing mechanism (5) includes a pair of speed-changing wheels (51) with adjustable spacing. The speed-changing wheels (51) are installed at one end of the rotating roller (3). A connecting shaft (55) is connected between the two speed-changing wheels (51). The connecting shaft (55) passes through one of the speed-changing wheels (51). A compression spring (54) and a limiting plate (53) are connected on the connecting shaft (55). A limiting nut is connected to the end of the connecting shaft (55). A transmission belt (52) is connected between the two speed-changing wheels (51). The inner surface of the speed-changing wheel (51) and the inner surface of the transmission belt (52) are both provided with a conical structure. A power wheel (25) that is connected to the transmission belt (52) is fixedly connected to the rotating shaft (23). The base (1) is fixedly connected to a conveying mechanism (4) for driving the steel bar forward. The conveying mechanism (4) includes a connecting frame (41), a movable frame (42) is connected to the connecting frame (41), and multiple rotating frames (44) are evenly rotatably connected to the movable frame (42) along its length direction. A drive wheel (45) for driving the steel bar forward is rotatably connected to the rotating frame (44). The drive wheel (45) is deflected in the direction of steel bar conveying, and the surface of the drive wheel (45) contacts the rotating roller (3) and the steel bar respectively. An elastic mechanism (43) is connected between the movable frame (42) and the connecting frame (41). The elastic mechanism (43) includes a spring and a slide bar. The spring applies elastic force to the movable frame (42) so that the drive wheel (45) always keeps in contact with the rotating roller (3) and the surface of the steel strip.

2. The steel bar surface full grinding and polishing device as described in claim 1, characterized in that, The rotating shaft (23) is connected to the rotating shaft of the motor (21) via a belt drive.

3. The steel bar surface full grinding and polishing device as described in claim 2, characterized in that, The connecting frame (41) is provided with a slide bar (410) that slides in cooperation with the movable frame (42).

4. The steel bar surface full grinding and polishing device as described in claim 3, characterized in that, The movable frame (42) is connected to a movable rod (47), and the movable frame (42) is provided with a sliding hole (49) that slides with the movable rod (47). The movable rod (47) is connected to each of the rotating frames (44) by a connecting rod (46). The movable frame (42) is threaded with a threaded rod (48), and one end of the threaded rod (48) is rotatably connected to the movable rod (47).

5. The steel bar surface full grinding and polishing device as described in claim 4, characterized in that, The speed change mechanism (5) also includes a tensioning mechanism that cooperates with the transmission belt (52). The tensioning mechanism is fixedly connected to the base (1). The tensioning mechanism includes a fixed frame (511). A movable lifting block (57) is connected to the fixed frame (511). A rotating rod (56) is rotatably connected to the fixed frame (511). A tensioning wheel (59) that cooperates with the transmission belt (52) is connected to the rotating rod (56). A pull rod (58) is connected between the lifting block (57) and the rotating rod (56).

6. The steel bar surface full grinding and polishing device as described in claim 5, characterized in that, The fixed frame (511) is provided with a strip hole (510) that slides with the lifting block (57), and the lifting block (57) is fixedly connected to the strip hole (510) by bolts.

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