CN219425517U - A steel bar straightening and grinding device - Google Patents

Abstract

The utility model relates to a steel bar straightening and grinding device, which belongs to the technical field of steel bar processing equipment. It includes a frame, a grinding mechanism, a straightening mechanism and a traction mechanism. One end of the frame is provided with multiple straightening mechanisms in a row, and the other end of the frame is equipped with multiple traction mechanisms corresponding to the straightening mechanism. The distance between the straightening mechanism and the traction mechanism is There is a grinding mechanism on the frame between them. This steel bar straightening and grinding device effectively solves the problem that the outer circle of the steel bar is easily oxidized by air in the existing steel mesh panel production line. , causing the problem of low yield of reinforced mesh panels.

Description

A steel bar straightening and grinding device

technical field

The utility model relates to a steel bar straightening and grinding device, which belongs to the technical field of steel bar processing equipment.

Background technique

In the field of construction, there is a reinforcement cage inside the autoclaved aerated concrete slab. The reinforcement cage is composed of upper and lower layers of reinforced mesh panels and a steel truss in the middle. The function of the reinforcement cage is to increase the tensile strength of the autoclaved aerated concrete slab; At present, the reinforced mesh panel is formed by criss-cross welding of multiple steel bars of the same diameter with a diameter of 6.5 to 9 mm.

The existing steel mesh production line is as follows: a plurality of coil-shaped cold-rolled steel coils are fed by a wire-releasing mechanism, and a plurality of steel bars are arranged in a row, and then the neatly arranged steel bars are straightened by a straightening and rolling device. Straightening, and then welding and cutting operations through the mesh welding device and shearing device in the later stage, thus making the reinforced mesh. After the pay-off device enters the straightening and rolling device, it directly enters the stencil welding device for welding. Since the outer surface of the steel bar is easily oxidized, when the horizontal steel bar is welded to the oxide layer of the longitudinal steel bar, the horizontal steel bar is prone to desoldering The situation will directly lead to the detachment of the transverse reinforcement and the longitudinal reinforcement, resulting in the generation of defective products of the reinforcement mesh, which makes the yield rate of the reinforcement mesh low. Therefore, it is necessary to improve it.

Contents of the invention

The purpose of this utility model is to provide a steel bar straightening method that grinds the welding surfaces of the upper and lower ends of the outer circle of the steel bar after the steel bar is straightened to reduce the oxide layer on the surface of the steel bar, thereby improving the welding firmness of the steel bar and the good rate of the steel mesh plate Grinding device.

The technical scheme of the utility model is:

A steel bar straightening and grinding device, including a frame, a grinding mechanism, a straightening mechanism and a traction mechanism, is characterized in that: one end of the frame is provided with a plurality of straightening mechanisms in a row, and the other end of the frame is correspondingly provided with a straightening mechanism A plurality of traction mechanisms, a grinding mechanism is arranged on the frame between the straightening mechanism and the traction mechanism, and the grinding mechanism is composed of a box body, a pressing plate, an upper grinding wheel and a lower grinding wheel, and the box body is arranged up and down respectively There are an upper chamber and a lower chamber, and a pressing plate is movable in the upper chamber, and a plurality of ear plate seats are arranged at intervals on the lower surface of the pressing plate, and upper grinding wheels are movable installed on each ear plate seat, corresponding to the upper grinding wheel The inner bottom surface of the upper chamber is equipped with a lower grinding wheel through the ear plate seat.

The upper surface of the pressing plate is fixedly installed with a plurality of limit rods along its axial direction, and the box body is provided with a mounting seat. A limit nut is arranged on the end of the limit rod, and a compression spring is sleeved on the limit rod between the box body and the pressure plate.

Both ends of the pressing plate are symmetrically provided with guide columns, the guiding columns and the pressing plate are slidably connected, and the guiding columns are fixedly installed on the inner wall of the upper chamber of the box body.

A material receiving port is opened on the inner bottom surface of the upper chamber on both sides of the lower grinding wheel.

The traction mechanism is composed of an assembly frame, a telescopic cylinder, a drive motor, a driving grooved roller, a driven grooved roller, a driving shaft, a driven shaft, a left frame body and a right frame body, and a plurality of mounting plates are arranged at intervals on the top of the assembly frame , the mounting plate is left and right symmetrically hinged respectively with a left frame body and a right frame body, and a plurality of telescopic cylinders are installed between the left frame body and the right frame body, and the driving shaft and the slave On the driving shaft, a plurality of driving grooved rollers are installed at intervals on the driving shaft, driven grooved rollers are respectively installed on the driven shaft corresponding to the driving grooved rollers, and a left pressure roller is movable on the corresponding position of the driving grooved roller and the left frame body. The right pressure roller is movable on the corresponding position of the moving groove roller and the right frame, and the driving motor is installed on the assembly frame at one end of the driving shaft. The driving motor is fixedly connected with the driving shaft, and the driving shaft is connected with the driven shaft through the transmission chain and sprocket. .

The straightening mechanism is composed of an assembly seat, an installation frame, a cover plate, a slide plate, an adjustment handle, an upper straightening sheave and a lower straightening sheave, and multiple sets of installation frames are arranged on the assembly seat in a staggered front and back, and the installation frame passes through The cover plate, the adjustment handle and the guide bar are slidingly installed with a slide plate, and the upper straightening sheave is installed at intervals through bearings on the outer side of the slide plate, and the lower straightening sheave is installed on the mounting frame below between the upper straightening sheave.

The beneficial effects of the utility model are:

The steel bar straightening and grinding device grinds the upper and lower welding end faces of the outer circle of the steel bar through the upper grinding wheel and the lower grinding wheel of the grinding mechanism to remove the surface oxide layer, which is convenient for the subsequent welding operation to effectively improve the longitudinal steel bar and the transverse steel bar. The firmness between them, so as to avoid the situation that the horizontal steel bar and the longitudinal steel bar are easy to separate after the steel mesh plate is formed; the straightening mechanism can realize the straightening and arrangement of the steel bars, and the traction mechanism can play a pulling role on the steel bars, which is convenient For the transportation of steel bars; the straightening and grinding device for steel bars effectively solves the problem that the outer circle of steel bars in the existing steel mesh panel production line is easily oxidized by air. The problem of low yield rate.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a top view structural schematic diagram of Fig. 1;

Fig. 3 is the sectional structure schematic diagram of single straightening mechanism in the utility model;

Fig. 4 is a schematic cross-sectional structural diagram along A-A in Fig. 1 .

In the figure: 1. Rack; 2. Assembly seat; 3. Installation frame; 4. Assembly frame; 5. Telescopic cylinder; 6. Drive motor; 7. Active grooved roller; 8. Driven grooved roller; 9. Driving shaft ;10, driven shaft; 11, left frame body; 12, right frame body; 13, left pressure roller; 14, right pressure roller; 15, transmission chain; 16, mounting plate; 17, limit rod; 18, guide Tube; 19, guide column; 20, cover plate; 21, adjustment handle; 22, slide plate; 23, upper straightening sheave; 24, lower straightening sheave; 25, guide fork plate; 26, box body; 27, pressing Plate; 28, upper grinding wheel; 29, lower grinding wheel; 30, upper chamber; 31, lower chamber; 32, mounting seat; 33, limit nut; 34, compression spring; 35, steel bar; 36, receiving feed port.

Implementation

The steel bar straightening and grinding device includes a frame 1, a grinding mechanism, a straightening mechanism and a traction mechanism. One end of the frame 1 is provided with a plurality of straightening mechanisms in a row. The straightening mechanism consists of an assembly seat 2, an installation frame 3, and a cover plate 20. , a slide plate 22, an adjustment handle 21, an upper straightening sheave 23, and a lower straightening sheave 24. Two mounting frames 3 are fixedly installed on the assembly seat 2 in a tilted and misaligned shape, and the two mounting frames 3 have cross-sections. The mounting frame 3 is provided with a groove, and the mounting frame 3 at the top of the groove is fixed with a cover plate 20 by bolts, and a slide plate 22 is arranged in the groove below the cover plate 20. The slide plate 22 is a long rectangular plate, and the slide plate 22 has two sides. The ends of the two guide rods are movably inserted with guide rods, and the two ends of the two guide rods are respectively fixedly connected with the cover plate 20 and the installation frame 3. The upper surface of the slide plate 22 is equipped with an adjusting screw through the movable seat, and one end of the adjustment screw extends through the cover plate 20. To the outside of the cover plate 20, the adjusting screw is threadedly connected with the cover plate 20, and an adjusting handle 21 is fixedly installed on the end of the adjusting screw extending to the outside of the cover plate 20. When in use, the screw rod is rotated by rotating the adjusting handle 21, and the screw rod produces an axial The displacement in this direction drives the sliding plate 22 to slide upward or downward along the guide bar, thereby changing the relative position of the sliding plate 22 in the groove.

Four upper assembly shafts are arranged at intervals on the outer edge of the slide plate 22, and an upper straightening sheave 23 is movably installed on each assembly shaft, and a lower assembly shaft is respectively arranged on the mounting frame 3 below the two upper straightening sheaves 23. , the lower straightening sheave 24 is movably installed on the lower assembly shaft.

The other end of the frame 1 is provided with a plurality of traction mechanisms corresponding to the straightening mechanism. The traction mechanism consists of an assembly frame 4, a telescopic cylinder 5, a drive motor 6, a driving grooved roller 7, a driven grooved roller 8, a driving shaft 9, and a driven shaft 10. The left frame body 11 and the right frame body 12 are formed. Ten mounting plates 16 are arranged at intervals on the top of the assembly frame 4. The mounting plates 16 are rectangular plates. The left end of each mounting plate 16 is hinged with the left frame body 11. Each mounting plate 16 The right end of the frame is hinged with a right frame body 12, and two telescopic cylinders 5 are arranged in dislocation shape between the left frame body 11 and the right frame body 12. The piston heads of each telescopic cylinder 5 are hingedly connected with the frame body, and the cylinder body of each telescopic cylinder 5 The bottom end is hingedly connected with the frame body. When in use, the piston rods of the two telescopic cylinders 5 are extended and retracted to control the rotation of the left frame body 11 and the right frame body 12 along the hinge joint between the frame body and the mounting plate 16, thereby realizing The left frame body 11 and the right frame body 12 are opened or folded synchronously.

On the assembly frame 4, a driving shaft 9 and a driven shaft 10 are movable respectively installed in a left and right interval through bearings, and ten driving grooved rollers 7 are fixedly installed on the driving shaft 9 corresponding to the frame body, and the circumference of the driving grooved roller 7 is set. There are grooves, the cross section of the groove is "V" shape, and there are many anti-slip lines on the inner side of the groove. The purpose of setting the anti-slip lines in this way is to improve the friction between the driving sheave and the steel bar 35, thereby ensuring the stability of the steel bar 35 being conveyed .

Driven grooved rollers 8 are fixedly mounted on the driven shaft 10 respectively corresponding to the driving grooved rollers 7 , and the driven grooved rollers 8 and the driving grooved rollers 7 have the same structure.

The position corresponding to the driving grooved roller 7 on the left frame body 11 is movably installed with a left pressure roller 13 through bearings. The position place is equipped with right pressure roller 14 by bearing activity, and right pressure roller 14 and driven grooved roller 8 are also arranged up and down correspondingly, and left pressure roller 13 and right pressure roller 14 are identical with the structure of driving grooved roller 7 respectively.

The frame 1 at one end of the driving shaft 9 is fixedly equipped with a driving motor 6 through a motor holder, and the driving motor 6 is fixedly connected with the driving shaft 9 through a speed reducer. The driving shaft 9 is provided with a driving sprocket, and the driven shaft 10 is provided with a Driven sprocket, drive chain 15 is installed on the drive sprocket and driven sprocket, during use, the transmission shaft of driving motor 6 drives driving shaft 9 to rotate through speed reducer, and driving shaft 9 cooperates and drives by driving chain 15 and sprocket wheel The driven shaft 10 rotates, thereby driving the driving grooved roller 7 and the driven grooved roller 8 to rotate synchronously, and the piston rods of the two telescopic cylinders 5 are extended and retracted to control the left frame body 11 and the right one to open or close synchronously , thereby realizing that the left pressure roller 13 and the driving grooved roller 7 and the driven grooved roller 8 and the right pressure roller 14 form a state of pressing or relaxing the steel bar 35, so as to control the conveying of the steel bar 35.

Left frame body 11 and right frame body 12 outer ends are equipped with guide fork plate 25 respectively, and guide fork plate 25 is inverted " concave " font, and the purpose that guide fork plate 25 is set up like this is to be convenient to play pre-guiding effect to reinforcing bar 35, guarantees The steel bar 35 can maintain a smooth linear motion when it is conveyed.

The frame 1 between the straightening mechanism and the traction mechanism is provided with a grinding mechanism, and the grinding mechanism is composed of a casing 26, a pressing plate 27, an upper grinding wheel 28 and a lower grinding wheel 29, and the casing 26 is arranged up and down respectively. There are an upper chamber 30 and a lower chamber 31, and a pressing plate 27 is movable in the upper chamber 30, and ten stop rods 17 are fixedly installed on the upper surface of the pressing plate 27 along its axial direction. A mounting seat 32 is provided, and the mounting seat 32 is composed of a top plate and a fixed column. The fixed column is fixedly installed on the four corners of the top plate. 32, extending out of the limit nut 33 on the end of the limit rod 17 above the mounting seat 32, the limit nut 33 plays a position-limiting effect on the limit rod 17, between the box body 26 and the compression plate 27 Compression spring 34 is sleeved on the limit rod 17 of the.

The lower surface of the pressing plate 27 is provided with ten ear plate seats at intervals, and an upper grinding wheel 28 is movably installed on each ear plate seat through an assembly shaft. The plate base and the assembly shaft are movably equipped with a lower grinding wheel 29, the upper grinding wheel 28 has the same structure as the lower grinding wheel 29, and the outer circle of the upper grinding wheel 28 is uniformly equipped with grinding teeth, and the grinding teeth are oblique lines on the outer circle of the grinding wheel Design, during use, under the elastic force effect of compression spring 34, compression plate 27 has a downward force, and this downward pressure is passed to upper grinding wheel 28 by ear plate seat, makes upper grinding wheel 28 and lower grinding wheel The wheels 29 remain in contact all the time.

The corresponding casing 26 between the upper grinding wheel 28 and the lower grinding wheel 29 is symmetrically equipped with guide tubes 18. The purpose of setting the guide tubes 18 in this way is to facilitate the formation of a guide to the reinforcing bar 35, so that the reinforcing bar 35 is ground between the upper grinding wheel 28 and the lower grinding wheel. The circumference of the wheel 29 is centered.

The two ends of the pressing plate 27 are symmetrically inserted with guiding posts 19, and the guiding posts 19 and the pressing plate 27 are slidably connected. The heads are respectively fixedly mounted on the inner wall of the upper chamber 30 .

The bottom surface of the upper chamber 30 on both sides of the lower grinding wheel 29 is provided with a material receiving port 36. The purpose of setting the material receiving port 36 is to facilitate the grinding of iron filings to enter the lower chamber 31 along the material receiving port 36. The lower chamber 31 of 26 can be used to collect the iron filings after grinding as a collection bin.

The steel bar straightening and grinding device can insert multiple steel bars into the straightening mechanism, grinding mechanism and traction mechanism of each column respectively according to the spacing size, and can adjust the steel bars to be inserted into the straightening mechanism, grinding mechanism and traction mechanism of other columns according to the product spacing requirements. In the traction mechanism, the spacing between the steel bars 35 can thus be adjusted, so as to make a reinforced mesh panel that meets the required spacing.

When the steel bar straightening and grinding device is in use, at first, the cold-rolled steel bars 35 in the shape of coils enter the straightening mechanism station respectively through the wire-releasing device, and the upper straightening sheave 23 and the lower straightening sheave 24 at one end of the straightening mechanism Enter between the straightening sheave 23 and the lower straightening sheave 24 at the other end of the straightening mechanism, and the upper straightening sheave 23 and the lower straightening sheave 24 of the straightening mechanism carry out straightening treatment to the steel bar 35, and the straightening The steel bar 35 after straight treatment enters by the guide pipe 18 of casing 26 one ends, passes between the circumference of upper grinding wheel 28 and the lower grinding wheel 29, under the elastic force of compression spring 34, the upper grinding wheel 28 and the lower grinding wheel Wheel 29 is close to steel bar 35 all the time, and the steel bar 35 drawn out between upper grinding wheel 28 and lower grinding wheel 29 enters between driven grooved roller 8 and right pressure roller 14 of traction mechanism, and then by driving grooved roller 7 and The left pressure roller 13 is pulled out to the next station (welding station), and the piston rod of the telescopic cylinder 5 is started to stretch out. At this time, the left frame body 11 and the right frame body 12 are stretched outward around the hinge joint with the mounting plate 16. Open, respectively drive the left pressure roller 13 to approach the driving grooved roller 7, and the right pressure roller 14 to approach the driven grooved roller 8. At this time, the driven grooved roller 8 and the right pressure roller 14 and the driving grooved roller 7 and the left pressure roller 13 press the steel wire Tight, start the driving motor 6, the driving motor 6 drives the driving shaft 9 to rotate through the reducer, the driving shaft 9 drives the driven shaft 10 to rotate counterclockwise synchronously through the transmission chain 15 and the transmission sprocket, and the driven grooved roller 8 and the right pressure The roller 14, the active groove roller 7 and the left pressure roller 13 cooperate with each other and the traction wire rope is moved to the next station by the traction mechanism. During the moving process, the steel bar 35 will undergo straightening treatment by the straightening mechanism and grinding treatment by the grinding mechanism. The steel bar 35 processed by straightening and grinding can effectively remove its surface oxide layer, which is convenient for subsequent welding operations at the welding station to effectively improve the firmness between the longitudinal steel bar 35 and the transverse steel bar 35, thereby avoiding the production of steel bar 35 stencils The situation that the transverse steel bars 35 and the longitudinal steel bars 35 are easy to separate after forming; the straightening mechanism can be used to straighten and arrange the steel bars 35, and the traction mechanism can play a pulling effect on the steel bars 35 to facilitate the transportation of the steel bars 35; The straightening and grinding device effectively solves the problem that the outer circle of the steel bar 35 is easily oxidized by air in the existing steel bar 35 stencil production line. When the steel bar 35 is welded into the steel bar 35 stencil, the horizontal steel bar 35 and the longitudinal steel bar 35 are easy to separate, resulting in the steel bar 35 stencil. The problem of low yield rate.

Claims (6)

1. A steel bar straightening and grinding device, comprising a frame (1), a grinding mechanism, a straightening mechanism and a traction mechanism, characterized in that: one end of the frame (1) is provided with a plurality of straightening mechanisms in a row, and the frame ( 1) The other end is provided with a plurality of traction mechanisms corresponding to the straightening mechanism, and the frame (1) between the straightening mechanism and the traction mechanism is provided with a grinding mechanism, and the grinding mechanism is composed of a box body (26), a pressing plate (27), the upper grinding wheel (28) and the lower grinding wheel (29) constitute, the upper and lower chambers (30) and lower chambers (31) are respectively arranged in the casing (26), and the upper chamber (30 ) is provided with a pressing plate (27) for movement, and a plurality of ear plate seats are arranged at intervals on the lower surface of the pressing plate (27), and an upper grinding wheel (28) is movably installed on each ear plate seat, and the upper grinding wheel (28) ) The inner bottom surface of the corresponding upper chamber (30) is equipped with a lower grinding wheel (29) through the ear plate seat. 2. A steel bar straightening and grinding device according to claim 1, characterized in that: the upper surface of the pressing plate (27) is fixed with a plurality of limit rods (17) along its axial direction, and the box The body (26) is provided with a mounting seat (32), and one end of each limit rod (17) extends through the box body (26) to the outside of the mounting seat (32), and extends out of the limit rod (17) on the outside of the mounting seat (32). ) end is provided with a limit nut (33), and a compression spring (34) is set on the limit rod (17) between the box body (26) and the compression plate (27). 3. A steel bar straightening and grinding device according to claim 1, characterized in that: the two ends of the pressing plate (27) are symmetrically provided with guide columns (19), and the guiding columns (19) and the pressing plate (27) Cooperate with the sliding connection, and the guide column (19) is fixedly installed on the inner wall of the upper chamber (30) of the box body (26). 4. A steel bar straightening and grinding device according to claim 1, characterized in that: the inner bottom surface of the upper chamber (30) on both sides of the lower grinding wheel (29) is provided with a material receiving port (36) . 5. A steel bar straightening and grinding device according to claim 1, characterized in that: the traction mechanism consists of an assembly frame (4), a telescopic cylinder (5), a driving motor (6), a driving grooved roller (7 ), a driven grooved roller (8), a driving shaft (9), a driven shaft (10), a left frame body (11) and a right frame body (12). plate (16), left and right frame body (11) and right frame body (12) are respectively hinged on the mounting plate (16), left frame body (11) and right frame body (12), and a plurality of The telescopic cylinder (5), the driving shaft (9) and the driven shaft (10) are movable and installed on the assembly frame (4) at intervals, and a plurality of driving grooved rollers (7) are installed at intervals on the driving shaft (9) ), the driven shaft (10) is respectively equipped with a driven grooved roller (8) corresponding to the driving grooved roller (7), and a left pressure roller is installed on the corresponding position of the driving grooved roller (7) and the left frame body (11) (13), the driven grooved roller (8) and the right frame body (12) are equipped with a right pressure roller (14) on the corresponding position, and the driving motor (6) is installed on the assembly frame (4) at one end of the drive shaft (9) , the driving motor (6) is fixedly connected with the driving shaft (9), and the driving shaft (9) is connected with the driven shaft (10) through a transmission chain (15) and a sprocket wheel. 6. A steel bar straightening and grinding device according to claim 1, characterized in that: the straightening mechanism is composed of an assembly seat (2), an installation frame (3), a cover plate (20), and a slide plate (22) , the adjusting handle (21), the upper straightening sheave (23) and the lower straightening sheave (24), and the assembly seat (2) is provided with multiple sets of installation frames (3) in a staggered front and rear, inside the installation frame (3) A slide plate (22) is slidably installed through the cover plate (20), the adjustment handle (21) and the guide rod, and the upper straightening sheave (23) is installed on the outer side of the slide plate (22) through bearing intervals, and the upper straightening sheave (23) is The lower straightening sheave (24) is housed on the mounting frame (3) below the space.