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CN-224209656-U - Grinding device is used in production of PC steel bar

CN224209656UCN 224209656 UCN224209656 UCN 224209656UCN-224209656-U

Abstract

The utility model discloses a polishing device for producing a PC steel bar, which relates to the technical field of PC steel bar production and comprises a supporting part, polishing stones and rubber wheels, a spraying plate, a cooling liquid tank with a liquid adding pipe, a observing structure and a scale, wherein the polishing stones and the rubber wheels are symmetrically arranged on two sides and are matched with notches on two sides of a conveying groove for use, the spraying plate is fixedly connected with a plurality of spray heads at the lower end of the spraying plate and is fixedly connected with the middle part of the upper end of the inner wall of a protective cover, and the observing structure comprises an observing window and the scale. According to the utility model, the cooling liquid is sprayed out through the spray plate spray head and is sprayed to the PC steel bar, the polishing stone and the rubber wheel for cooling, the floating ball in the cooling liquid tank can float upwards or descend according to the change of the cooling liquid amount in the cooling liquid tank, when the fixed rod ascends and descends, the fixed plate drives the sliding block to move through the connecting rod, and when the sliding block slides in the sliding rail, the pointer moves up and down on one side of the graduated scale, and the residual cooling liquid is observed and monitored.

Inventors

  • Sheng Yongtao

Assignees

  • 安徽东康新材料科技有限公司

Dates

Publication Date
20260508
Application Date
20250415

Claims (10)

  1. 1. Grinding device is used in production of PC steel bar, its characterized in that includes: A support part; The protective cover (1) is provided with openings allowing the PC steel bars to pass through at the lower parts of the front end and the rear end of the protective cover (1); The conveying chute (2) penetrates through the openings on the front side and the rear side of the protective cover (1), and gaps are formed in two sides of the middle of the conveying chute (2); The grinding stone (3) and the rubber wheel (4) are symmetrically arranged at two sides and matched with notches at two sides of the material conveying groove (2); The spraying device comprises a spraying plate (5), wherein the lower end of the spraying plate (5) is fixedly connected with a plurality of spray heads, and the spraying plate (5) is fixedly connected with the middle part of the upper end of the inner wall of the protective cover (1); The cooling liquid box (6) with the liquid adding pipe, be provided with the observation structure in the cooling liquid box (6), the observation structure includes observation window (7) and scale (8).
  2. 2. The polishing device for producing the PC steel bar according to claim 1, wherein the supporting part comprises a workbench (9), supporting rods (10) are fixedly connected to four corners of the lower end of the workbench (9), and the material conveying groove (2) and the protective cover (1) are fixedly connected to the middle part of the upper end of the workbench (9).
  3. 3. The polishing device for producing the PC steel bar according to claim 1, wherein mounting plates (11) are arranged below the polishing stone (3) and the rubber wheel (4), a fast motor (12) and a slow motor (13) are respectively and fixedly connected to the upper ends of the mounting plates (11) on two sides, the fast motor (12) and the slow motor (13) respectively drive the polishing stone (3) and the rubber wheel (4), and the mounting plates (11) on two sides are horizontally adjusted through a moving structure.
  4. 4. The polishing device for producing PC steel bars according to claim 3, wherein the moving structure comprises a bidirectional screw rod (14) arranged below the middle part of the workbench (9), threads on two sides of the bidirectional screw rod (14) are opposite, two sides of the bidirectional screw rod (14) are respectively and rotatably connected with a fixed block (15) fixedly connected to the workbench (9), and two sides of the bidirectional screw rod (14) are respectively and rotatably connected with a threaded block (16).
  5. 5. The polishing device for producing PC steel bars according to claim 4, wherein sliding grooves (17) are formed in two sides of the workbench (9), the threaded blocks (16) on two sides are respectively and slidably connected into the sliding grooves (17) on two sides, and the upper ends of the threaded blocks (16) on two sides penetrate through the sliding grooves (17) and are respectively and fixedly connected to the mounting plates (11) on two sides.
  6. 6. The polishing device for producing PC steel bars according to claim 4, wherein one end of the fixed block (15) far away from the bidirectional screw rod (14) is fixedly connected with a driving motor (18), and the driving motor (18) drives the bidirectional screw rod (14) to rotate.
  7. 7. The polishing device for producing the PC steel bar according to claim 2, wherein the upper end of the protective cover (1) is fixedly connected with a cooling liquid pump (19) connected with the spraying plate (5), the cooling liquid tank (6) is fixedly connected to one side of the rear part of the upper end of the workbench (9), and the cooling liquid pump (19) is connected with the cooling liquid tank (6) through a connecting pipe (20) which is fixedly connected.
  8. 8. The polishing device for producing PC steel bars according to claim 3, wherein the mounting plate (11) and the workbench (9) are provided with a plurality of leakage holes (21) at the inner part of the protective cover (1), and a water receiving basin (22) with an upper opening is arranged below the workbench (9).
  9. 9. The polishing device for producing the PC steel bar according to claim 1, wherein the observation window (7) is arranged on one side of the cooling liquid tank (6), the observation structure further comprises a floating ball (23) arranged in the cooling liquid tank (6), the upper end of the floating ball (23) is fixedly connected with a fixing rod (24), the middle part of the upper end of the cooling liquid tank (6) is fixedly connected with a limiting sleeve (25) which is penetrated up and down, and the upper end of the fixing rod (24) penetrates through the limiting sleeve (25) and is fixedly connected with a fixing plate (30).
  10. 10. The polishing device for producing the PC steel bar according to claim 9, wherein a slide rail (26) fixedly connected to the upper end of the cooling liquid tank (6) is arranged behind the fixing plate (30), an opening is formed in the front of the slide rail (26), a slide block (27) is connected in a sliding manner in the slide rail (26), the slide block (27) is connected with the fixing plate (30) through a connecting rod (28) fixedly connected with the fixing plate, the graduated scale (8) is fixedly connected to one side of the slide rail (26), and a pointer (29) is fixedly connected to one side, close to the graduated scale (8), of the slide block (27).

Description

Grinding device is used in production of PC steel bar Technical Field The utility model relates to the technical field of PC steel bar production, in particular to a polishing device for PC steel bar production. Background The PC steel bar is a high-strength low-relaxation prestressed steel material and is mainly used in a prestressed concrete structure. The diameter range of the composite material is from 7.1mm to 14mm, various specifications are covered, and the composite material is suitable for the engineering fields of bridges, buildings, hydraulic engineering and the like. The PC steel bar has the characteristics of strong bond strength with concrete, material saving and the like, and is a key material for improving the bearing capacity and stability of the structure. The main purpose of PC steel bar polishing is to remove surface burrs, cracks and inclusions, thereby improving the appearance quality, the functional performance and the service life of the PC steel bar. These surface defects may be caused by process problems (e.g., inclusions, segregation of components) during the production process, and if left untreated, affect the strength, durability and grip with the concrete of the steel bar. The utility model patent of publication number CN219598948U discloses a stainless steel rod polishing device, which belongs to the field of steel polishing and comprises a base, wherein a material conveying groove is arranged in the middle section of the top of the base, a first sliding plate and a second sliding plate are arranged at the top of the base, one side of the upper end of the base is provided with a slow motor, the other end of the slow motor is connected with a rubber wheel, the other side of the upper end of the base is provided with a fast motor, the other end of the fast motor is connected with a polishing stone, and the outer side of the polishing stone is provided with a polishing protective cover. Through installing a bi-directional screw in the base upper end, make it can let the stone of polishing realize the object regulation with the rubber wheel, make the device can adapt to the stainless steel stick of various models, through installing a rotation handle in bi-directional screw's one end, through manual quick adjustment clearance between stone and the rubber wheel of polishing, make the efficiency of switching the stainless steel stick of different models higher. The prior art still has the problems that a large amount of heat is generated in the polishing process, the surface of the steel bar is burnt or deformed due to high temperature, cooling liquid is dripped when polishing is needed, friction between the polishing stone and the steel bar is generated, the service life of the polishing stone is reduced if the cooling liquid is not used, dirt or scale can be accumulated on the inner wall of the cooling liquid tank after the cooling liquid is used for a long time, the dirt or scale can be attached to the inner side of the observation window, the observation is difficult, the residual quantity is influenced, and the planned feeding is performed. The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art. Disclosure of utility model The utility model aims to overcome the defects and provide the polishing device for producing the PC steel bar. In order to solve the technical problems, the technical scheme provided by the utility model is as follows: grinding device is used in production of PC steel bar, includes: A support part; The lower parts of the front end and the rear end of the protective cover are respectively provided with an opening allowing the PC steel rod to pass through; The conveying trough penetrates through openings on the front side and the rear side of the protective cover, and notches are formed in two sides of the middle of the conveying trough; Grinding stones and rubber wheels are symmetrically arranged on two sides and matched with notches on two sides of a material conveying groove for use; the spraying plate is fixedly connected with a plurality of spray heads at the lower end of the spraying plate and is fixedly connected with the middle part of the upper end of the inner wall of the protective cover; the cooling liquid box with the liquid adding pipe, be provided with the observation structure in the cooling liquid box, the observation structure includes observation window and scale. As an improvement, the supporting part comprises a workbench, supporting rods are fixedly connected to four corners of the lower end of the workbench, and the conveying chute and the protective cover are fixedly connected to the middle part of the upper end of the workbench. As an improvement, the grinding stone and the rubber whe