CN112077233A - Straightening device with derusting function for construction steel bar recovery - Google Patents

Abstract

The invention discloses a straightening device for recycling building steel bars with rust removal function, comprising a workbench, a spray head and a motor, a rust removal frame is fixed with bolts at the top edge of the workbench, the pickling chamber and the cleaning chamber A water tank is bolted on the top of the rust removal frame, a guide sleeve is connected to the side through shaft of the rust removal frame, the cleaning rod is located in the cleaning room, a motor is embedded in the inner side of the top of the workbench, and the first screw shaft Connected to the movable groove, one end of the fixing rod is bonded with a rubber head, the outer side of the fixing sleeve is provided with a guide ring, the outer side of the fixing sleeve is integrally provided with a first tooth block, and the top bolt of the workbench A limit ring is fixed, and a handle is welded on the outside of the toothed ring. The straightening device for recycling of building steel bars with a rust removal function can uniformly remove rust from rotating steel bars through the cooperation of pickling and water washing, and can also perform straightening operations on steel bars of different diameters.

Description

A straightening device for building steel bar recycling with rust removal function

technical field

The invention relates to the technical field of building construction, in particular to a straightening device for recycling building steel bars with a rust-removing function.

Background technique

In the construction of buildings, it involves the new construction of buildings and the demolition of old buildings. For some high-rise buildings, steel bars are used as important supporting parts. With the rapid development of society and the progress of urban planning, The demolition of old buildings is becoming more and more common. Due to the material problems of the steel bars used in the old buildings, the steel bars can continue to be used, and the steel bars need to be recycled;

When dismantling old buildings, the steel bars in the walls tend to be skewed with the dumping of the building. When recycling steel bars, in order to facilitate their later transportation, storage and reuse, the skewed steel bars need to be pulled. However, the existing steel bar straightening device has the following problems in use:

When recycling construction steel bars, since the steel bars will be in contact with the air during use, their surfaces are prone to oxidation and rust, and the existence of rust will affect subsequent storage and use, and the steel bars need to be rusted during straightening At the same time, the diameter of the steel bar used in different buildings is different. When the steel bar is straightened by the straightening device, it needs to be suitable for the steel bar straightening operation with different diameter specifications.

In view of the above problems, it is urgent to carry out innovative design on the basis of the original steel bar straightening device.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a straightening device for building steel bar recycling with a rust removal function, in order to solve the above-mentioned background technology, the existing steel bar straightening device needs to be derusted on the steel bar during straightening, and needs to be applied For the problem of straightening steel bars with different diameter specifications.

In order to achieve the above purpose, the present invention provides the following technical solutions: a straightening device for recycling building steel bars with a rust removal function, comprising a workbench, a spray head and a motor, and a rust removal frame is bolted at the top edge of the workbench, And the rust removal frame is provided with a pickling chamber and a cleaning chamber respectively from left to right. The tops of the pickling chamber and the cleaning chamber are bolted with a water tank, and the bottom pump of the water tank is connected with a nozzle, and the nozzle is located in the pickling chamber. and the inner side of the top of the cleaning chamber, the side of the rust removal frame is connected with a guide sleeve through the shaft, and one end of the guide sleeve is welded with a cleaning rod, the cleaning rod is located in the cleaning chamber, and the inner side of the cleaning rod is bonded with a wire brush , a motor is embedded in the inner side of the top of the worktable, and the output end of the motor is connected with a first screw, the first screw shaft is connected in the movable groove, and the movable groove is opened at the upper end of the worktable, and the first screw A fixing ring is provided on the threaded sleeve on the screw rod, a fixing sleeve is installed through the inner side of the top of the fixing ring, and a fixing rod is threaded through the top edge of the fixing sleeve, and one end of the fixing rod is bonded with a rubber head, and the rubber head is located in the fixing sleeve, the outer side of the fixing sleeve is provided with a guide ring, and the guide ring is located in the guide groove, and the guide groove is opened on the inner side of the top of the fixing ring, the outer side of the fixing sleeve is integrally provided with a first tooth block, and The first gear block is located on one side of the guide ring, the top of the table is bolted to fix the limit ring, and the limit ring is embedded with a gear ring, and the limit ring is located between the rust removal frame and the fixing ring, so A handle is welded on the outer side of the gear ring, and one end of the handle is located outside the top of the limit ring, a third gear roller is connected to the embedded shaft in the limit ring, and the third gear roller is located inside the gear ring, the One end of the third toothed roller is connected with a second screw, and the second screw shaft is connected in the limit groove, and the limit groove is opened on the inner wall of the limit ring, and the second screw is threadedly sleeved with The fixing bar is welded with a clamping roller at the bottom of the fixing bar.

Preferably, the cleaning rods are symmetrically distributed with respect to the guide sleeve, and the cross section of the cleaning rod is designed in an arc structure, and the guide sleeve is in a driving connection with the first screw through a belt.

Preferably, the fixed ring and the movable groove are in a sliding connection, and the fixed ring, the rust removal frame and the limit ring are on the same center line.

Preferably, the embedded shaft in the fixing ring is connected with a first toothed roller, and one end of the first toothed roller is connected with a second toothed roller through a bevel gear drive, and one end of the second toothed roller is located outside the fixing ring, the One end of the second toothed roller is meshed with a second tooth block, and the second tooth blocks are arranged on the bottom plate at equal intervals, and the bottom plate is bolted to the upper end of the worktable, and the bottom plate is located on one side of the movable groove.

Preferably, two sets of the fixing rods are symmetrically arranged with respect to the central axis of the fixing sleeve, and each set of fixing rods is equiangularly distributed with 4 rods.

Preferably, the guide ring and the guide groove are rotatably connected, and the thickness of the guide ring is equal to the width of the guide groove.

Preferably, the first tooth blocks are equiangularly distributed with respect to the central axis of the fixed sleeve, and the first tooth blocks and the first toothed rollers mesh with each other.

Preferably, the third toothed roller is in meshing contact with the toothed ring, and the central axis of the limit ring of the third toothed roller is symmetrically arranged with four.

Preferably, the fixing bar is slidably connected with the limiting groove, the fixing bar is of a rectangular structure design, and the cross-sectional area of the fixing bar is equal to that of the limiting groove.

Compared with the prior art, the beneficial effects of the present invention are: the straightening device for recycling building steel bars with rust removal function;

1. Through the meshing contact between the four third toothed rollers and the toothed ring, when the handle is driven to rotate the toothed ring, the four third toothed rollers rotate synchronously, and the third toothed roller drives the four third toothed rollers through the bevel gear drive. The second screw rotates in the limit slot, so that the four fixing bars that are threadedly connected with the second screw move synchronously in the limit slot, and then drive the four clamping rollers at the end of the fixing bar to move synchronously. The steel bars of different diameters are limited, so that when the steel bars move in the limit ring, the steel bars are limited, corrected and straightened by four clamping rollers;

2. By setting one end of the second toothed roller in meshing contact with the second tooth blocks distributed at equal intervals, when the steel bars are fixed by two sets of fixing rods and rubber heads, the fixing ring is fitted and slidingly connected between the movable grooves. When the steel bar is driven to move horizontally by the fixing ring and the fixing sleeve, the second toothed roller and the second toothed block are engaged and contacted to realize rotation, and the first toothed roller driven by the bevel gear of the second toothed roller is driven to rotate synchronously. The meshing contact of the first tooth blocks equiangularly distributed on the fixed sleeve can drive the fixed sleeve to rotate synchronously in the fixed ring, and then drive the horizontal movement and synchronous rotation of the steel bar, which is compatible with the use of the water tanks and nozzles on the pickling chamber and the cleaning chamber. , so that the solution and water sprayed by the nozzle are evenly contacted with the steel bar, and the rust removal operation is performed on it;

3. The cleaning rods are arranged symmetrically about the guide sleeve, and the section of the cleaning rod is designed with an arc structure, and the guide sleeve is connected with the first screw through the belt. When the first screw is driven to rotate by the motor, the first screw is rotated. The screw drives the guide sleeve to rotate through the belt, and the cleaning rod on the guide sleeve rotates accordingly. The wire brush in the cleaning rod contacts the steel bar to completely scrape off the impurities retained on the steel bar after pickling. By adjusting the thread direction of the first screw, It can make the guide sleeve and the steel bar rotate in the opposite direction, improve the friction force, and then improve the cleaning efficiency of the impurities on the surface of the steel bar.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the schematic diagram of the front sectional structure of the present invention;

FIG. 3 is a schematic view of the side sectional structure of the limit ring according to the present invention;

FIG. 4 is a schematic view of the side sectional structure of the third toothed roller of the present invention;

Figure 5 is a schematic diagram of the front sectional structure of the limit ring of the present invention;

Fig. 6 is the side structure schematic diagram of the guide sleeve of the present invention;

FIG. 7 is a schematic view of the side sectional structure of the fixing ring of the present invention;

Fig. 8 is the enlarged schematic diagram of the structure at place A in Fig. 1 of the present invention;

FIG. 9 is a schematic top view sectional structure diagram of the first toothed roller according to the present invention.

In the picture: 1. Workbench; 2. Derusting rack; 3. Pickling room; 4. Cleaning room; 5. Water tank; 6. Nozzle; 7. Guide bush; 8. Cleaning rod; 9. Wire brush; 10. Motor; 11, first screw; 12, movable groove; 13, fixed ring; 14, fixed sleeve; 15, fixed rod; 16, rubber head; 17, guide ring; 18, guide groove; 19, first tooth block; 20, the first toothed roller; 21, the second toothed roller; 22, the second toothed block; 23, the bottom plate; 24, the belt; 25, the limit ring; 26, the toothed ring; 27, the handle; 28, the third toothed roller ; 29, the second screw; 30, the limit groove; 31, the fixed bar; 32, the nip roller.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-9, the present invention provides a technical solution: a straightening device for recycling building steel bars with rust removal function, comprising a workbench 1, a rust removal rack 2, a pickling chamber 3, a cleaning chamber 4, and a water tank 5. Spray head 6, guide sleeve 7, cleaning rod 8, wire brush 9, motor 10, first screw 11, movable groove 12, fixed ring 13, fixed sleeve 14, fixed rod 15, rubber head 16, guide ring 17, guide Slot 18, first toothed block 19, first toothed roller 20, second toothed roller 21, second toothed block 22, bottom plate 23, belt 24, limit ring 25, toothed ring 26, handle 27, third toothed roller 28 , the second screw 29, the limit groove 30, the fixing strip 31 and the clamping roller 32, the top edge of the worktable 1 is bolted with a rust removal frame 2, and the rust removal frame 2 is respectively provided with a pickling chamber from left to right 3 and the cleaning chamber 4, the tops of the pickling chamber 3 and the cleaning chamber 4 are bolted with a water tank 5, and the bottom pump of the water tank 5 is connected with a nozzle 6, and the nozzle 6 is located on the inner side of the top of the pickling chamber 3 and the cleaning chamber 4, The side of the rust removal frame 2 is connected with a guide sleeve 7 through the shaft, and one end of the guide sleeve 7 is welded with a cleaning rod 8. The cleaning rod 8 is located in the cleaning chamber 4, and the inner side of the cleaning rod 8 is bonded with a wire brush 9. The inner side of the top of the table 1 is embedded with a motor 10, and the output end of the motor 10 is connected with a first screw 11, the first screw 11 is connected to the movable slot 12, and the movable slot 12 is opened at the upper end of the table 1, and The first screw 11 is threadedly sleeved with a fixing ring 13 , a fixing sleeve 14 is installed through the inner side of the top of the fixing ring 13 , and a fixing rod 15 is threaded through the top edge of the fixing sleeve 14 , and one end of the fixing rod 15 is bonded with rubber head 16, and the rubber head 16 is located in the fixing sleeve 14, the outer side of the fixing sleeve 14 is sleeved with a guide ring 17, and the guide ring 17 is located in the guide groove 18, and the guide groove 18 is opened on the inner side of the top of the fixing ring 13, the fixing sleeve 14 A first tooth block 19 is integrally provided on the outer side of the table 1, and the first tooth block 19 is located on one side of the guide ring 17, the limit ring 25 is bolted to the top of the worktable 1, and a tooth ring 26 is embedded in the limit ring 25. , and the limit ring 25 is located between the rust removal frame 2 and the fixing ring 13, a handle 27 is welded on the outside of the toothed ring 26, and one end of the handle 27 is located outside the top of the limit ring 25, and the limit ring 25 is embedded with a shaft A third toothed roller 28 is connected, and the third toothed roller 28 is located on the inner side of the toothed ring 26. One end of the third toothed roller 28 is connected with a second screw 29, and the second screw 29 is connected to the limit groove 30. inside, and the limit groove 30 is opened on the inner wall of the limit ring 25, the second screw 29 is threadedly sleeved with a fixing bar 31, and the bottom of the fixing bar 31 is welded with a clamping roller 32;

The cleaning rod 8 is symmetrically distributed with respect to the guide sleeve 7, and the section of the cleaning rod 8 is an arc-shaped structure design, and the guide sleeve 7 is connected with the first screw 11 through the belt 24. When the first screw 11 drives the guide sleeve through the belt 24 When 7 rotates, the cleaning rod 8 on the guide sleeve 7 rotates with it, so that the wire brush 9 in the cleaning rod 8 is in rotational contact with the steel bar, and cooperates with the water sprayed by the nozzle 6 to wipe off the rust on the steel bar;

The fixed ring 13 and the movable groove 12 are in a sliding connection, and the fixed ring 13 is on the same center line as the rust removal frame 2 and the limit ring 25. When the motor 10 drives the first screw 11 to rotate in the movable groove 12 At the same time, the bottom of the fixing ring 13 can be driven to slide horizontally in the movable groove 12, and at the same time, the steel bars can horizontally penetrate the rust removal frame 2, the limit ring 25 and the fixing ring 13, and the steel bars are guided by the fixing ring 13;

A first toothed roller 20 is connected to the embedded shaft in the fixing ring 13, and a second toothed roller 21 is connected to one end of the first toothed roller 20 through a bevel gear drive, and one end of the second toothed roller 21 is located outside the fixing ring 13. One end of the two-toothed roller 21 is meshed with a second tooth block 22 , and the second tooth blocks 22 are arranged on the bottom plate 23 at equal intervals. When the fixed ring 13 moves horizontally in the movable groove 12, the second toothed roller 21 outside the fixed ring 13 is in meshing contact with the second toothed block 22 on the bottom plate 23, so that the second toothed roller 21 moves with the fixed ring 13. Synchronous rotation, and then the rotation of the first toothed roller 20 is driven by the second toothed roller 21;

There are 2 sets of fixing rods 15 symmetrically arranged about the central axis of the fixing sleeve 14, and each group of fixing rods 15 is equally distributed with 4 sets. The screw connection makes the fixing rod 15 move up and down at the fixing sleeve 14, so that the rubber head 16 at one end of the fixing rod 15 is in contact with the steel bars, and the steel bars are clamped and fixed by two sets of fixing rods 15 and the rubber heads 16;

The guide ring 17 and the guide groove 18 are rotatably connected, and the thickness of the guide ring 17 is equal to the width of the guide groove 18. Through the stable rotation of the guide ring 17 in the guide groove 18, the fixed sleeve 14 can be stably rotated in the fixed ring 13. ;

The first toothed block 19 is equiangularly distributed with respect to the central axis of the fixed sleeve 14, and the first toothed block 19 and the first toothed roller 20 mesh with each other. When the first toothed roller 20 is driven to rotate by the second toothed roller 21, the A toothed roller 20 is in meshing contact with the first tooth block 19, which can drive the fixing sleeve 14 to rotate in the fixing ring 13, and then realize that when the fixing ring 13 drives the steel bars in the fixing sleeve 14 to move horizontally, the fixing sleeve 14 can drive the steel bars to rotate synchronously ;

The third toothed roller 28 is in meshing contact with the toothed ring 26, and the central axis of the limit ring 25 of the third toothed roller 28 is symmetrically arranged with four central axes. When the toothed ring 26 is driven to rotate by the handle 27, four third The toothed roller 28 rotates synchronously, and drives the four second screws 29 driven by the bevel teeth of the third toothed roller 28 to rotate in the limiting groove 30;

The fixing bar 31 is slidably connected with the limiting slot 30, and the fixing bar 31 is designed in a rectangular structure, and the cross-sectional area of the fixing bar 31 is equal to that of the limiting slot 30. When the four second screws 29 are in the limiting slot When rotating in the 30, the four fixing bars 31 can be driven to slide in the limiting groove 30 synchronously, and then the position of the clamping roller 32 at one end of the fixing bar 31 can be adjusted. When moving in the limit ring 25, the four clamping rollers 32 can straighten steel bars with different diameters.

Working principle: When using the straightening device for building steel bar recycling with rust removal function, as shown in Figure 1, the steel bars to be straightened are passed through the pickling chamber 3 and the cleaning chamber 4 in the first rust removal frame 2 in turn, Then pass through the limit ring 25, and then pass through the inside of the fixing sleeve 14 in the fixing ring 13, as shown in Figure 1 and Figure 6-7, manually rotate the fixing rod 15 on the fixing sleeve 14, through the fixing rod 15 and the fixing sleeve The threaded connection between 14 makes the fixing rod 15 drive the rubber head 16 to move inward and contact the steel bar, and one end of the steel bar is fixed in the fixing sleeve 14 through the two sets of fixing rods 15 and the rubber head 16. In 5-6, the motor 10 on the worktable 1 is started, the motor 10 drives the first screw 11 to rotate in the movable groove 12, the first screw 11 drives the fixed ring 13 to slide in the movable groove 12, and the fixed ring 13 slides through the fixed ring 13. The fixing sleeve 14 pulls the steel bars horizontally, and the pickling solution is sprayed from the water tank 5 and the nozzle 6 on the pickling chamber 3 to dissolve the rust on the steel bars, and then the water tank 5 and the nozzle 6 on the cleaning chamber 4 are cleaned. The sprayed water washes the dissolved substances remaining on the steel bars, and cooperates with the wire brush 9 on the cleaning rod 8 at one end of the guide sleeve 7 to brush the dissolved substances. The first screw 11 drives the rotation of the guide sleeve 7 through the belt 24, and then Drive the rotation of the cleaning rod 8 and the wire brush 9 to clean the steel bars comprehensively. The pickling and cleaning water is dropped into the pools reserved at the bottom of the pickling chamber 3 and the cleaning chamber 4 for collection. At the same time, as shown in Figure 2-4, the steel bars are When the force moves in the limit ring 25, the 4 clamping rollers 32 limit the rebar, so that the rebar can be straightened during the moving process. In order to be suitable for the straightening operation of the rebar with different diameters, it can be rotated manually. The handle 27 on the limit ring 25, the handle 27 drives the gear ring 26 to rotate in the limit ring 25, the gear ring 26 is in meshing contact with the four third toothed rollers 28, and drives the four third toothed rollers 28 to synchronously contact, and the third The toothed roller 28 and the second screw 29 are driven by bevel teeth, which can drive the four second screws 29 to rotate in the limit slot 30 synchronously, and then drive the fixing bar 31 threadedly connected with the second screw 29 to slide in the limit slot 30. Adjust the position of the four clamping rollers 32 at one end of the fixing bar 31, and carry out the limit and straightening operation for the steel bars of different specifications;

Next, as shown in FIG. 1 and FIGS. 6-9, when the fixed ring 13 moves horizontally in the movable groove 12, the second toothed roller 21 on the outer side of the fixed ring 13 engages with the second toothed block 22 on the bottom plate 23, and drives the second toothed roller 21 on the bottom plate 23. The synchronous rotation of the two toothed rollers 21, the second toothed roller 21 drives the first toothed roller 20 in the fixed ring 13 to rotate through the bevel gear drive, and the first toothed roller 20 is in meshing contact with the first toothed block 19 on the fixed sleeve 14. Drive the fixed sleeve 14 to rotate in the fixed ring 13, and at the same time the guide ring 17 on the fixed sleeve 14 rotates in the guide groove 18 to maintain the stable rotation of the fixed sleeve 14, so that the steel bars can rotate synchronously while moving horizontally, which is convenient for the It performs uniform pickling and cleaning, and at the same time, by adjusting the thread direction of the first screw 11, the reverse rotation of the steel bar and the guide sleeve 7 can be realized, the friction between the wire brush 9 and the steel bar is increased, and the cleaning effect is improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or to perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (9)

1. A straightening device for recycling building steel bars with rust removal function, comprising a workbench (1), a spray head (6) and a motor (10), characterized in that: bolts at the top edge of the workbench (1) A rust removal frame (2) is fixed, and a pickling chamber (3) and a cleaning chamber (4) are respectively provided in the rust removal frame (2) from left to right, the acid washing chamber (3) and the cleaning chamber (4) ) are bolted to the top of the water tank (5), and the bottom pump of the water tank (5) is connected with a nozzle (6), and the nozzle (6) is located on the inside of the top of the pickling chamber (3) and the cleaning chamber (4), so A guide sleeve (7) is connected to the side of the rust removal frame (2) through the shaft, and one end of the guide sleeve (7) is welded with a cleaning rod (8), and the cleaning rod (8) is located in the cleaning chamber (4) , and the inner side of the cleaning rod (8) is bonded with a wire brush (9), the inner side of the top of the worktable (1) is embedded with a motor (10), and the output end of the motor (10) is connected with a first screw (11), the shaft of the first screw (11) is connected in the movable groove (12), and the movable groove (12) is opened on the upper end of the worktable (1), and the first screw (11) is threadedly sleeved with A fixing ring (13), a fixing sleeve (14) is installed through the inner side of the top of the fixing ring (13), and a fixing rod (15) is threaded through the top edge of the fixing sleeve (14), and the fixing rod (15) ) is bonded with a rubber head (16), and the rubber head (16) is located in the fixing sleeve (14), the outer side of the fixing sleeve (14) is sleeved with a guide ring (17), and the guide ring (17) is located in the inside the guide groove (18), and the guide groove (18) is opened on the inner side of the top of the fixing ring (13), the outer side of the fixing sleeve (14) is integrally provided with a first tooth block (19), and the first tooth block ( 19) Located on one side of the guide ring (17), the limit ring (25) is fixed with bolts on the top of the worktable (1), and a toothed ring (26) is embedded in the limit ring (25), and the limit The position ring (25) is located between the rust removal frame (2) and the fixing ring (13). A handle (27) is welded on the outside of the toothed ring (26), and one end of the handle (27) is located on the limit ring (25). ) outside the top of the limit ring (25) is connected with a third toothed roller (28) embedded in the shaft, and the third toothed roller (28) is located inside the toothed ring (26), the third toothed roller (26) One end of the bevel gear (28) is connected with a second screw (29), and the shaft of the second screw (29) is connected in the limit groove (30), and the limit groove (30) is opened in the limit ring (25) On the inner wall of the second screw (29), a fixing strip (31) is threadedly sleeved on the second screw rod (29), and a clamping roller (32) is welded to the bottom of the fixing strip (31). 2. The straightening device for recycling building steel bars with a rust removal function according to claim 1, wherein the cleaning rod (8) is symmetrically distributed with respect to the guide sleeve (7), and the cleaning rod (8) The cross-section of the guide sleeve (7) is designed in an arc structure, and the guide sleeve (7) is connected with the first screw (11) in a driving manner through the belt (24). 3. The straightening device for recycling building steel bars with rust removal function according to claim 1, characterized in that: the fixing ring (13) and the movable groove (12) are fitted and slidingly connected, and are fixed The ring (13) is on the same centerline as the rust removal frame (2) and the limit ring (25). 4. The straightening device for recycling construction steel bars with a rust removal function according to claim 1, characterized in that a first toothed roller (20) is connected to the embedded shaft in the fixing ring (13), and One end of the first toothed roller (20) is connected with a second toothed roller (21) through a bevel gear drive, and one end of the second toothed roller (21) is located outside the fixing ring (13), and the second toothed roller (21) A second tooth block (22) is engaged and connected with one end, and the second tooth blocks (22) are arranged on the bottom plate (23) at equal intervals, and the bottom plate (23) is bolted to the upper end of the workbench (1), while the bottom plate ( 23) is located on one side of the movable groove (12). 5 . The straightening device for recycling building steel bars with a rust removal function according to claim 1 , wherein the fixing rod ( 15 ) is symmetrically arranged with two groups about the central axis of the fixing sleeve ( 14 ). 6 . And each group of fixed rods (15) is equiangularly distributed with 4 rods. 6. The straightening device for recycling building steel bars with a rust removal function according to claim 1, wherein the guide ring (17) and the guide groove (18) are rotatably connected, and the guide ring (17) The thickness of 17) is equal to the width of the channel (18). 7. The straightening device for recycling building steel bars with a rust removal function according to claim 1, wherein the first tooth block (19) is equiangularly distributed with respect to the central axis of the fixing sleeve (14), And the first tooth block (19) and the first toothed roller (20) mesh with each other. 8. The straightening device for recycling construction steel bars with rust removal function according to claim 1, characterized in that: the third toothed roller (28) is in meshing contact with the toothed ring (26), and the third toothed roller (28) is in meshing contact with the toothed ring (26). Four limit rings (25) of the three-toothed roller (28) are symmetrically arranged on the central axis. 9 . The straightening device for recycling building steel bars with a rust removal function according to claim 1 , wherein the fixing bar ( 31 ) and the limiting groove ( 30 ) are slidably connected, and the fixing bar (31) is a rectangular structure design, and the cross-sectional area of the fixing strip (31) is equal to the cross-sectional area of the limiting groove (30).

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