Medicament spraying equipment for steel bar production

Abstract

The utility model discloses chemical spraying equipment for steel bar production, which belongs to the technical field of steel bar production and comprises a frame, a spraying device and a limiting and uniform smearing device, and the spraying device for spraying chemical liquid on the surface of a steel bar and the limiting and uniform smearing device for uniformly smearing the chemical liquid on the surface of the steel bar are mounted on the frame; the limiting and uniform smearing device comprises a limiting assembly used for fixing and limiting the steel bar, two transmission assemblies used for transmission connection and a smearing assembly used for uniformly smearing the surface of the steel bar, the limiting assembly, the transmission assemblies and the smearing assembly are connected with the frame, and the transmission assemblies are connected with the limiting assembly and the smearing assembly. By means of the mode, through the arrangement of the limiting assembly and the transmission assembly, the smearing assembly can be driven to evenly smear the liquid medicine on the surface of the steel bar while the steel bar is fixed, the conveying stability of the steel bar is improved, and meanwhile the liquid medicine spraying effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel bar production technical field, concretely relates to a steel bar production's reagent spraying equipment. BACKGROUND

[0002] Steel bar is a kind of common metal material, is widely used in construction, manufacturing, machinery and other industrial fields, steel bar is prone to rust in production and storage process, thus needs to spray rust preventive or carries out other surface treatment, the currently common processing mode is to spray rust preventive on steel bar surface.

[0003] Such as Chinese patent application CN215823431U discloses a kind of PC steel bar anticorrosion spraying device with protection function, including spraying chamber, conveying roller and second motor, the inside installation of spraying chamber has shunt, and shunt is installed with spray head, the other end of connecting pipeline is connected with material bin, and exhaust hole is opened in material bin, the pivot is arranged in the lower of first motor, and the fan blade is installed in the lower of pivot, the drying chamber is opened in the right side of spraying chamber, and dust screen is arranged in the top of drying chamber.

[0004] However, the PC steel bar anticorrosion spraying device with protection function when using, liquid medicine is naturally dropped on the surface of steel bar, and there is more residual liquid medicine on the lower part of steel bar, which leads to uneven coverage of liquid medicine.

[0005] Based on this, the utility model discloses a kind of steel bar production's reagent spraying equipment to solve above-mentioned problem. INVENTION CONTENTS

[0006] In view of the above-mentioned shortcomings existing in prior art, the utility model provides a kind of steel bar production's reagent spraying equipment.

[0007] To achieve the above object, the utility model is realized by the following technical scheme:

[0008] A kind of steel bar production's reagent spraying equipment, including frame, still including spraying device and limiting even device;

[0009] The frame is installed with the spraying device for the liquid medicine spraying to steel bar surface and the limiting even device for the liquid medicine coating even on steel bar surface;

[0010] The limiting even device includes the limiting assembly for the fixed limiting of steel bar, two groups of transmission assembly for transmission connection and the coating assembly for the even coating of steel bar surface, limiting assembly, transmission assembly and coating assembly are connected with frame, and transmission assembly is connected with limiting assembly and coating assembly.

[0011] Further, the frame comprises a support, a box body and an upper cover, the box body is fixedly installed on the upper end of the support, the rear end of the box body is rotationally connected with the upper cover, the box body is connected with the spraying device, the limiting assembly, the transmission assembly and the smearing assembly, and the upper cover is connected with the spraying device and the smearing assembly.

[0012] Further, the inner bottom of the box body is gradually inclined downward from left to right, a through hole for discharging liquid medicine is arranged at the right end of the inner bottom of the box body, and through holes for passing the steel rod are arranged on the left and right sides of the box body and the upper cover.

[0013] Further, the spraying device comprises a supporting wheel, two groups of arc-shaped spray guns, three groups of pipes and a connecting hose, the supporting wheel is rotationally installed on the inner side wall of the left end of the box body, the two groups of arc-shaped spray guns are respectively arranged in the inner sides of the box body and the upper cover, each group of arc-shaped spray guns comprises a plurality of arc-shaped spray guns, one group of arc-shaped spray guns is fixedly installed on the inner side of the box body, the other group of arc-shaped spray guns is fixedly installed on the inner side of the upper cover, the arc-shaped spray guns in the same group are fixedly connected through one group of pipes, the other group of pipes passes through the box body to fixedly connect the medicine supply device with the other pipes, the connecting hose is fixedly connected with two groups of pipes corresponding to the arc-shaped spray guns, the arc-shaped spray guns are arranged in a semicircular shape, a plurality of nozzles are fixedly arranged on the inner side of the arc-shaped spray gun, and the inner sides of the two groups of arc-shaped spray guns are matched to form a circular shape surrounding the steel rod.

[0014] Further, the limiting assembly comprises a mounting plate, a bidirectional sliding table module, two sliding plates and two clamping wheels, the mounting plate is fixedly installed on the outer side of the right end of the box body, the bidirectional sliding table module is fixedly installed on the mounting plate, the two moving ends of the bidirectional sliding table module are fixedly connected with the two sliding plates respectively, the two clamping wheels are rotationally installed on the upper ends of the sliding plates respectively, the right end of the sliding plate is limitingly and slidably connected with the mounting plate, the sliding direction of the bidirectional sliding table module is forward and backward, and a gap for the steel rod to pass through is formed between the two clamping wheels.

[0015] Further, the two groups of transmission assemblies are symmetrically arranged front and back, the transmission assembly comprises a connecting shaft, a telescopic universal joint, a transmission shaft, a transmission part and a driving gear, the connecting shaft is fixedly installed on the lower end of the clamping wheel, a through groove for the connecting shaft to pass through is arranged on the lower end of the mounting plate, the lower end of the connecting shaft is fixedly connected with one end of the telescopic universal joint, the other end of the telescopic universal joint is fixedly connected with the transmission shaft, the transmission shaft is rotationally connected with the box body through the box body, the transmission shaft is in transmission connection with the driving gear through the transmission part, the driving gear is connected with the smearing assembly, the transmission part is installed on one side of the fixed plate, and the fixed plate is fixedly installed on the inner side wall of the box body.

[0016] Further, the transmission parts of the two groups of transmission assemblies are respectively a gear and a synchronous wheel part, the gear is rotationally installed on one side of the fixed plate, the gear is in meshing connection with the driving gear, the gear and the driving gear are of the same size, the two synchronous wheels of the synchronous wheel part are rotationally installed on one side of the fixed plate, and the two synchronous wheels of the synchronous wheel part are respectively fixedly connected with the transmission shaft and the driving gear.

[0017] Furthermore, the application assembly includes a ring frame, a rubber soft brush, a mounting cylinder, a fixing frame, and a clamping frame. One side of the ring frame is fixedly connected to the mounting cylinder. The rubber soft brush is fixedly installed on the inner side of the ring frame, and brush bristles are fixedly provided on the inner side of the rubber soft brush. The outer side of the mounting cylinder is fixedly provided with teeth that mesh with two drive gears. The outer side of the mounting cylinder has a through hole for residual medicine to drip off. The outer side of the mounting cylinder has a sliding groove that engages with the fixing frame for rotation. The fixing frame is fixedly installed on the inner wall of the box. The clamping frame is fixedly installed on the inner side of the top cover. The clamping frame and the fixing frame form a ring that engages with the mounting cylinder for rotation. The ring frame, the rubber soft brush, and the mounting cylinder have openings on one side to facilitate the placement of a steel rod.

[0018] Compared with the prior art, the advantages of this utility model are as follows: 1. By setting the limiting component and the transmission component, the steel rod can be fixed at the same time, and the coating component can be driven to spread the medicine on the surface of the steel rod evenly, thereby improving the stability of steel rod conveying and improving the medicine spraying effect.

[0019] 2. The use of two sets of arc-shaped spray guns, with multiple guns in each set, allows for multiple applications of the coating solution to the steel bar surface from multiple angles, ensuring complete coating. The inclined design at the bottom of the tank allows for the collection and reuse of excess coating solution, preventing waste. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This utility model relates to a three-dimensional chemical spraying device for steel bar production. Figure 1 ;

[0022] Figure 2 This utility model relates to a three-dimensional chemical spraying device for steel bar production. Figure 2 ;

[0023] Figure 3 This is a perspective view of the spraying device of this utility model;

[0024] Figure 4 The three-dimensional limiting and smoothing device of this utility model Figure 1 ;

[0025] Figure 5 The three-dimensional limiting and smoothing device of this utility model Figure 2 ;

[0026] Figure 6 Disassembled view of the smearing assembly of the utility model;

[0027] Figure 7 Half sectional view of the box of the utility model.

[0028] The reference numerals in the drawings represent respectively:

[0029] 1. frame; 11. support; 12. box; 13. upper cover; 2. spraying device; 21. supporting wheel; 22. arc-shaped spray gun; 23. conduit; 24. connecting hose; 3. limiting smearing device; 31. limiting assembly; 311. mounting plate; 312. bidirectional sliding table module; 313. sliding plate; 314. clamping wheel; 32. transmission assembly; 321. connecting shaft; 322. telescopic universal joint; 323. transmission shaft; 324. transmission part; 325. driving gear; 326. fixed plate; 33. smearing assembly; 331. annular frame; 332. rubber soft brush; 333. mounting cylinder; 334. fixed frame; 335. clamping frame. DETAILED DESCRIPTION

[0030] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Embodiment one: in some embodiments, referring to the drawings of the specification Figures 1-7 A medicament spraying equipment for steel bar production, comprising a frame 1, further comprising a spraying device 2 and a limiting smearing device 3;

[0032] The frame 1 is provided with the spraying device 2 for spraying liquid medicine on the surface of the steel bar and the limiting smearing device 3 for smearing the liquid medicine on the surface of the steel bar uniformly;

[0033] The limiting smearing device 3 comprises a limiting assembly 31 for fixing and limiting the steel bar, two groups of transmission assemblies 32 for transmission connection and a smearing assembly 33 for smearing the surface of the steel bar, the limiting assembly 31, the transmission assemblies 32 and the smearing assembly 33 are connected with the frame 1, and the transmission assemblies 32 are connected with the limiting assembly 31 and the smearing assembly 33.

[0034] The steel rod production agent spraying device is used normally, the straightened steel rod spraying device 2, the limiting assembly 31 and the transmission assembly 32 pass through the inside, the limiting assembly 31 is started to fix the steel rod, the limiting assembly 31 is driven to run when the steel rod is conveyed, the limiting assembly 31 drives the smearing assembly 33 to run through the transmission assembly 32, the spraying device 2 is started to spray the surface of the steel rod, the smearing assembly 33 uniformly processes the sprayed liquid, the excess liquid is dropped to the inside of the frame 1 for collection and recovery, through the setting of the limiting assembly 31 and the transmission assembly 32, the steel rod is fixed at the same time, the smearing assembly 33 can drive the liquid on the surface of the steel rod to be uniform, the stability of the steel rod conveying is improved, and the liquid spraying effect is improved.

[0035] The frame 1 comprises a support 11, a box body 12 and an upper cover 13, the box body 12 is fixedly installed on the upper end of the support 11, the rear end of the box body 12 is rotationally connected with the upper cover 13, the box body 12 is connected with the spraying device 2, the limiting assembly 31, the transmission assembly 32 and the smearing assembly 33, and the upper cover 13 is connected with the spraying device 2 and the smearing assembly 33.

[0036] The inner bottom of the box body 12 is gradually inclined downward from left to right, a through hole for discharging liquid is formed in the right end of the inner bottom of the box body 12, and through holes for passing the steel rod are formed in the left and right sides of the box body 12 and the upper cover 13.

[0037] The spraying device 2 comprises a supporting wheel 21, two groups of arc-shaped spray guns 22, three groups of pipes 23 and a connecting hose 24, the supporting wheel 21 is rotationally installed on the inner side wall of the left end of the box body 12, the two groups of arc-shaped spray guns 22 are respectively located on the inner sides of the box body 12 and the upper cover 13, each group of arc-shaped spray guns 22 comprises a plurality of arc-shaped spray guns 22, one group of arc-shaped spray guns 22 is fixedly installed on the inner side of the box body 12, the other group of arc-shaped spray guns 22 is fixedly installed on the inner side of the upper cover 13, the arc-shaped spray guns 22 in the same group are fixedly connected in communication through a group of pipes 23, another group of pipes 23 passes through the box body 12 to fixedly connect the liquid supply device with other pipes 23, the connecting hose 24 is fixedly connected in communication with the two groups of pipes 23 corresponding to the arc-shaped spray guns 22, the arc-shaped spray guns 22 are arranged in a semicircular shape, a plurality of nozzles are fixedly arranged on the inner side of the arc-shaped spray gun 22, and the inner sides of the two groups of arc-shaped spray guns 22 are combined to form a circular shape surrounding the steel rod.

[0038] The limiting assembly 31 comprises a mounting plate 311, a bidirectional sliding table module 312, two sliding plates 313 and two clamping wheels 314, the mounting plate 311 is fixedly installed outside the right end of the box body 12, the bidirectional sliding table module 312 is fixedly installed on the mounting plate 311, two moving ends of the bidirectional sliding table module 312 are fixedly connected with the two sliding plates 313 respectively, the two clamping wheels 314 are rotatably installed on the upper ends of the sliding plates 313 respectively, the right end of the sliding plate 313 is limitingly and slidably connected with the mounting plate 311, the sliding direction of the bidirectional sliding table module 312 is arranged front and back, and a gap through which the steel bar passes is formed between the two clamping wheels 314.

[0039] The two groups of transmission assemblies 32 are symmetrically arranged front and back, the transmission assembly 32 comprises a connecting shaft 321, a telescopic universal joint 322, a transmission shaft 323, a transmission component 324 and a drive gear 325, the connecting shaft 321 is fixedly installed at the lower end of the clamping wheel 314, a through groove through which the connecting shaft 321 moves is formed in the lower end of the mounting plate 311, one end of the connecting shaft 321 is fixedly connected with the telescopic universal joint 322, the other end of the telescopic universal joint 322 is fixedly connected with the transmission shaft 323, the transmission shaft 323 is rotatably connected with the box body 12 through the box body 12, the transmission shaft 323 is in transmission connection with the drive gear 325 through the transmission component 324, the drive gear 325 is connected with the smearing assembly 33, the transmission component 324 is installed on one side of a fixed plate 326, and the fixed plate 326 is fixedly installed on the inner side wall of the box body 12.

[0040] The transmission components 324 of the two groups of transmission assemblies 32 are gear and synchronous wheel components respectively, the gear is rotatably installed on one side of the fixed plate 326, the gear is in meshing connection with the drive gear 325, the gear and the drive gear 325 are of the same size, the two synchronous wheels of the synchronous wheel component are rotatably installed on one side of the fixed plate 326, and the two synchronous wheels of the synchronous wheel component are fixedly connected with the transmission shaft 323 and the drive gear 325 respectively.

[0041] The smearing assembly 33 comprises an annular frame 331, a rubber soft brush 332, a mounting cylinder 333, a fixed frame 334 and a clamping frame 335, one side of the annular frame 331 is fixedly connected with the mounting cylinder 333, the rubber soft brush 332 is fixedly installed on the inner side of the annular frame 331, the inner side of the rubber soft brush 332 is fixedly provided with bristles, the outer side of the mounting cylinder 333 is fixedly provided with teeth in meshing connection with the two drive gears 325, the outer side of the mounting cylinder 333 is provided with a through hole for dripping of residual liquid, the outer side of the mounting cylinder 333 is provided with a sliding groove in sliding connection with the fixed frame 334, the fixed frame 334 is fixedly installed on the inner side wall of the box body 12, the clamping frame 335 is fixedly installed on the inner side of the upper cover 13, the clamping frame 335 is in rotary clamping connection with the mounting cylinder 333 in cooperation with the fixed frame 334, and the one side of the annular frame 331, the rubber soft brush 332 and the mounting cylinder 333 is provided with a through opening facilitating placement of the steel bar.

[0042] The medicine spraying equipment for the steel rod production is used normally, the straightened steel rod is placed above the supporting wheel 21, passes through the arc-shaped spray gun 22, the rubber soft brush 332, the installation cylinder 333 passes through the two clamping wheels 314, the bidirectional sliding table module 312 is started, the two moving ends of the bidirectional sliding table module 312 drive the clamping wheel 314 to move through the sliding plate 313, the clamping wheel 314 clamps and limits the steel rod, the upper cover 13 is rotated, the upper cover 13 drives the corresponding arc-shaped spray gun 22 and the clamping frame 335 to move, the corresponding arc-shaped spray gun 22 of the upper cover 13 is connected with the corresponding arc-shaped spray gun 22 of the box body 12 and surrounds the steel rod, the clamping frame 335 cooperates with the fixed frame 334 to clamp the installation cylinder 333, the steel rod moves from left to right under the action of the traction equipment, the arc-shaped spray gun 22 is started, the arc-shaped spray gun 22 sprays the liquid medicine on the surface of the steel rod through the conduit 23 and the connecting hose 24, the excess liquid medicine drops to the inside of the box body 12 and flows along the inner bottom of the box body 12 to the bottom through hole for collection and recovery, the steel rod drives the two clamping wheels 314 to rotate, the clamping wheel 314 drives the transmission shaft 323 to rotate through the connecting shaft 321 and the telescopic universal joint 322, the two transmission shafts 323 drive the two drive gears 325 to synchronously rotate in the same direction through the gear and the synchronous belt part, the drive gear 325 drives the installation cylinder 333 to rotate along the fixed frame 334 and the clamping frame 335, the installation cylinder 333 drives the annular frame 331 and the rubber soft brush 332 to rotate, the bristles of the rubber soft brush 332 evenly wipe the liquid medicine on the surface of the steel rod, the residual liquid medicine drops to the inside of the box body 12 from the through hole of the installation cylinder 333, the two groups of arc-shaped spray guns 22 and the multiple settings of each group make it possible to spray the liquid medicine on the surface of the steel rod from multiple angles and multiple times, so that the spraying is complete, and the excess liquid medicine can be collected and utilized through the inclined setting of the bottom of the box body 12, so that waste is avoided.

[0043] The above examples are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A chemical spraying device for steel bar production, comprising a frame (1), characterized in that: It also includes a spraying device (2) and a limiting and smoothing device (3). The frame (1) is equipped with a spraying device (2) for spraying liquid onto the surface of the steel bar and a limiting and smoothing device (3) for spreading liquid onto the surface of the steel bar evenly. The limiting and smoothing device (3) includes a limiting component (31) for fixing and limiting the steel bar, two sets of transmission components (32) for transmission connection, and a smoothing component (33) for smoothing the surface of the steel bar. The limiting component (31), transmission components (32) and smoothing component (33) are connected to the frame (1), and the transmission component (32) is connected to the limiting component (31) and smoothing component (33).

2. The chemical spraying equipment for steel bar production according to claim 1, characterized in that, The frame (1) includes a bracket (11), a box (12) and a top cover (13). The box (12) is fixedly installed on the upper end of the bracket (11). The rear end of the box (12) is rotatably connected to the top cover (13). The box (12) is connected to the spraying device (2), the limiting component (31), the transmission component (32) and the coating component (33). The top cover (13) is connected to the spraying device (2) and the coating component (33).

3. The chemical spraying equipment for steel bar production according to claim 2, characterized in that, The bottom of the box (12) is gradually tilted downward from left to right. A through hole for discharging liquid medicine is opened at the right end of the bottom of the box (12). The left and right sides of the box (12) and the top cover (13) are provided with openings for the passage of steel rods.

4. The chemical spraying equipment for steel bar production according to claim 2, characterized in that, The spraying device (2) includes a support wheel (21), two sets of arc-shaped spray guns (22), three sets of guide tubes (23), and a connecting hose (24). The support wheel (21) is rotatably mounted on the inner wall of the left end of the housing (12). The two sets of arc-shaped spray guns (22) are located inside the housing (12) and the top cover (13), respectively. Each set of arc-shaped spray guns (22) includes multiple arc-shaped spray guns (22). One set of arc-shaped spray guns (22) is fixedly mounted inside the housing (12), and the other set of arc-shaped spray guns (22) is fixedly mounted on the top cover (13). 13) On the inside, the arc-shaped spray guns (22) in the same group are connected and fixedly connected by a set of conduits (23). Another set of conduits (23) passes through the box (12) to connect the drug supply equipment with other conduits (23) and is fixedly connected. The connecting hose (24) is connected and fixedly connected to the two sets of conduits (23) corresponding to the arc-shaped spray gun (22). The arc-shaped spray gun (22) is set as a semi-arc. Multiple nozzles are fixedly installed on the inside of the arc-shaped spray gun (22). The inside of the two sets of arc-shaped spray guns (22) cooperate to form a circle surrounding the steel rod.

5. The chemical spraying equipment for steel bar production according to claim 2, characterized in that, The limiting component (31) includes a mounting plate (311), a bidirectional slide module (312), two sliding plates (313), and two clamping wheels (314). The mounting plate (311) is fixedly installed on the outer side of the right end of the housing (12). The bidirectional slide module (312) is fixedly installed on the mounting plate (311). The two moving ends of the bidirectional slide module (312) are respectively fixedly connected to the two sliding plates (313). The two clamping wheels (314) are respectively rotatably installed on the upper end of the sliding plate (313). The right end of the sliding plate (313) is limited and slidably connected to the mounting plate (311). The sliding direction of the bidirectional slide module (312) is set back and forth. A gap is formed between the two clamping wheels (314) for the steel rod to pass through.

6. The chemical spraying equipment for steel bar production according to claim 5, characterized in that, The two sets of transmission components (32) are symmetrically arranged front and rear. Each transmission component (32) includes a connecting shaft (321), a telescopic universal joint (322), a transmission shaft (323), a transmission component (324), and a drive gear (325). The connecting shaft (321) is fixedly installed at the lower end of the clamping wheel (314). The lower end of the mounting plate (311) has a through groove for the connecting shaft (321) to pass through and move. The lower end of the connecting shaft (321) is fixed to one end of the telescopic universal joint (322). The other end of the telescopic universal joint (322) is fixedly connected to the drive shaft (323). The drive shaft (323) passes through the housing (12) and is rotatably connected to the housing (12). The drive shaft (323) is connected to the drive gear (325) through the transmission component (324). The drive gear (325) is connected to the coating component (33). The transmission component (324) is installed on one side of the fixing plate (326). The fixing plate (326) is fixedly installed on the inner side wall of the housing (12).

7. The chemical spraying equipment for steel bar production according to claim 6, characterized in that, The transmission components (324) of the two sets of transmission assemblies (32) are gear and synchronous pulley components respectively. The gear is rotatably mounted on one side of the fixed plate (326). The gear meshes with the drive gear (325). The gear and the drive gear (325) are the same size. The two synchronous pulleys of the synchronous pulley component are rotatably mounted on one side of the fixed plate (326). The two synchronous pulleys of the synchronous pulley component are fixedly connected to the transmission shaft (323) and the drive gear (325) respectively.

8. The chemical spraying equipment for steel bar production according to claim 6, characterized in that, The coating assembly (33) includes a ring frame (331), a rubber soft brush (332), a mounting cylinder (333), a fixing frame (334), and a clamping frame (335). One side of the ring frame (331) is fixedly connected to the mounting cylinder (333). The rubber soft brush (332) is fixedly installed on the inner side of the ring frame (331), and brush bristles are fixedly provided on the inner side of the rubber soft brush (332). The outer side of the mounting cylinder (333) is fixedly provided with teeth that mesh with two drive gears (325). The outer side of the mounting cylinder (333) is... A through hole is provided for residual liquid to drip. A sliding groove is provided on the outside of the mounting cylinder (333) to rotate and engage with the fixing frame (334). The fixing frame (334) is fixedly installed on the inner side wall of the box (12). The clamping frame (335) is fixedly installed on the inner side of the top cover (13). The clamping frame (335) and the fixing frame (334) form a ring and rotate and engage with the mounting cylinder (333). A through opening is provided on one side of the ring frame (331), the rubber soft brush (332) and the mounting cylinder (333) to facilitate the placement of the steel rod.

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