Adjustable rust removal device for PC steel bar

Abstract

The utility model discloses an adjustable derusting device for a PC steel bar, which belongs to the technical field of derusting equipment and comprises a workbench, clamping components are arranged on two sides of the top of the workbench, and a derusting component is arranged on the top of the workbench. According to the device, the movable lead screw drives the rust removal block through the connecting block and enables the rust removal block to be attached to the surface of the PC steel bar, so that the rust removal block can be attached to the PC steel bars of different specifications, and the applicability of the device is improved; a driving motor drives a rust removal block to reciprocate in the axial direction of the PC steel bar through a reciprocating lead screw, a second lead screw seat, a fixed ring and a rotating ring and conducts rust removal on the PC steel bar, and meanwhile the driving motor drives the rotating ring to rotate through a first gear, a second gear, a rotating rod, a sleeve, a transmission gear and a fixed gear ring. The rotating ring drives the rust removal block to rotate through the connecting block, the rust removal block conducts radial rust removal treatment on the PC steel bar, no dead angle exists in the rust removal treatment on the PC steel bar, and the rust removal effect on the PC steel bar is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of rust removal equipment, and in particular relates to an adjustable rust removal device for PC steel bars. Background Art

[0002] PC steel rod, also known as prestressed concrete steel rod, has the characteristics of high strength and toughness, low relaxation, strong bond with concrete, good weldability, upsetting and material saving. It is widely used in prestressed components such as high-strength prestressed concrete centrifugal pipe piles, electric poles, viaduct piers and railway sleepers. When processing PC steel rods, the steel rods that are placed for a long time are usually derusted.

[0003] The utility model of Chinese patent application number: CN202021200780.1 discloses a PC steel bar rust removal device, including a base plate, a protective frame, a rust removal cylinder, a motor and a sand funnel; the protective frame is arranged on the base plate, the rust removal cylinder is connected to a side surface inside the protective frame through a locking cover, a cross groove is arranged at one end of the locking cover, and a connecting column is connected to the outer periphery of the locking cover, the connecting column passes through the protective frame, and the connecting column is specifically hollow, a sand inlet is arranged on the rust removal cylinder, the motor is fixed at the outer end of the connecting column, and the rotating shaft of the motor is located at A cross block is connected to the inner cavity of the connecting column and the top of the rotating shaft, a vibration coil is sleeved on the outer periphery of the connecting column, a locking screw is threadedly connected to the other end of the rust removal cylinder, and the locking screw passes through the protective frame, and the sand funnel is connected to the top of the protective frame. The utility model has a simple structure, is easy to operate, reduces production costs, and can effectively avoid material pollution. However, in the actual rust removal operation of PC steel bars, the rust removal equipment will have blind spots in the rust removal of PC steel bars, resulting in incomplete rust removal, and therefore needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the prior art rust removal equipment has dead angles when removing rust from PC steel bars, and to propose an adjustable rust removal device for PC steel bars.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An adjustable rust removal device for PC steel bars, comprising a workbench, clamping assemblies are arranged on both sides of the top of the workbench, and a rust removal assembly is arranged on the top of the workbench;

[0007] The rust removal assembly includes a fixed ring, a first screw seat is fixedly connected to the bottom of the fixed ring, a sliding groove is provided on the top of the workbench, the first screw seat is slidably connected in the sliding groove, rotating rings are rotatably connected on both sides of the fixed ring, an inner cavity is provided inside the rotating ring, a plurality of connecting shafts are rotatably connected in the inner cavity, one end of the connecting shaft extends to the outside of the inner cavity and is fixedly connected to a movable screw, a connecting block is threadedly connected to the outer surface of the movable screw, the other end of the connecting block is fixedly connected to a rust removal block, a sliding rod is fixedly connected to one side of the rotating ring, and the sliding rod is slidably connected to the connecting block.

[0008] As a further description of the above technical solution:

[0009] A first bevel gear is fixedly connected to the outer surface of the connecting shaft, a second bevel gear is meshed with one side of the first bevel gear, a rotating shaft is fixedly connected to one side of the second bevel gear, and one end of the rotating shaft extends to the outside of the inner cavity and is fixedly connected to a linkage gear, a rotating gear ring is rotatably connected to one side of the rotating ring, and the rotating gear ring is meshed with the linkage gear.

[0010] As a further description of the above technical solution:

[0011] A sleeve is rotatably connected inside the first screw seat, a rotating rod is slidably connected inside the sleeve, the rotating rod is rotatably connected in the sliding groove, a transmission gear is fixedly connected to the outer surface of the sleeve, a fixed gear ring is fixedly connected to the outer surface of the rotating ring, the fixed gear ring is meshed with the transmission gear, a reciprocating screw is threadedly connected inside the first screw seat, and the reciprocating screw is rotatably connected in the sliding groove.

[0012] As a further description of the above technical solution:

[0013] The rotating rod extends to the outside of the sliding groove through the first rotating shaft and is fixedly connected to the second gear. One end of the reciprocating screw extends to the outside of the sliding groove through the second rotating shaft and is fixedly connected to the first gear. The first gear is meshed with the second gear. A driving motor is fixedly installed on one side of the workbench through a mounting plate, and one end of the driving motor output shaft is fixedly connected to one side of the first gear.

[0014] As a further description of the above technical solution:

[0015] The clamping assembly includes a fixed block, the bottom of which is fixedly connected to the top of the workbench, a movable groove is opened on the top of the fixed block, two adjustment screws are rotatably connected in the movable groove, the two adjustment screws are fixedly connected by a fixed shaft, a second screw seat is threadedly connected to the outer surface of the adjustment screw, a movable rod is fixedly connected to the top of the second screw seat, and a clamping block is fixedly connected to one side of the movable rod.

[0016] As a further description of the above technical solution:

[0017] One end of the adjusting screw is fixedly connected to the third rotating shaft, and one end of the third rotating shaft extends to the moving groove and is fixedly connected to the knob.

[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0019] 1. In the utility model, by setting a rust removal component, the staff drives the linkage gear to rotate by rotating the gear ring, the linkage gear drives the first bevel gear to rotate through the second bevel gear, the first bevel gear drives the moving screw to rotate through the connecting shaft, the moving screw drives the rust removal block through the connecting block and makes the rust removal block fit with the surface of the PC steel rod, so that the rust removal block can fit with PC steel rods of different specifications, thereby improving the applicability of the device. Afterwards, the driving motor drives the rust removal block to reciprocate along the axial direction of the PC steel rod through the reciprocating screw, the second screw seat, the fixed ring and the rotating ring and removes rust on the PC steel rod. At the same time, the driving motor drives the rotating ring to rotate through the first gear, the second gear, the rotating rod, the sleeve, the transmission gear and the fixed gear ring, and the rotating ring drives the rust removal block to rotate through the connecting block. The rust removal block performs radial rust removal on the PC steel rod, and there is no dead angle in the rust removal treatment of the PC steel rod, thereby improving the rust removal effect on the PC steel rod.

[0020] 2. In the utility model, by setting a clamping assembly, the knob drives the adjusting screw to rotate, the adjusting screw drives the second screw seat to move, the second screw seat drives the moving rod to move, the moving rod drives the clamping block to move and clamp and limit the PC steel rod, so that the clamping block can clamp and limit PC steel rods of different diameters, thereby improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 For the utility model Figure 1 A schematic diagram of the enlarged structure of part A;

[0023] Figure 3 It is a front view cross-sectional structural schematic diagram of the utility model;

[0024] Figure 4 For the utility model Figure 3 Schematic diagram of the enlarged structure of part B.

[0025] Legend:

[0026] 1. Workbench; 2. Rust removal assembly; 201. Sliding groove; 202. First screw seat; 203. Rotating rod; 204. Driving motor; 205. First gear; 206. Second gear; 207. Transmission gear; 208. Sleeve; 209. First bevel gear; 210. Fixed gear ring; 211. Linkage gear; 212. Second bevel gear; 213. Moving screw; 214. Rotating gear ring; 215. Rust removal block; 216. Connecting block; 217. Sliding rod; 218. Connecting shaft; 219. Fixed ring; 220. Rotating ring; 221. Reciprocating screw; 3. Clamping assembly; 301. Moving rod; 302. Clamping block; 303. Second screw seat; 304. Adjusting screw; 305. Fixed block; 306. Knob; 307. Moving groove. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-Figure 4 The utility model provides a technical solution: an adjustable rust removal device for PC steel bars, comprising a workbench 1, clamping components 3 are arranged on both sides of the top of the workbench 1, and a rust removal component 2 is arranged on the top of the workbench 1.

[0029] The rust removal component 2 includes a fixed ring 219, a first screw seat 202 is fixedly connected to the bottom of the fixed ring 219, a sliding groove 201 is provided on the top of the workbench 1, and the first screw seat 202 is slidably connected to the sliding groove 201. Both sides of the fixed ring 219 are rotatably connected to rotating rings 220, and an inner cavity is provided inside the rotating ring 220. A plurality of connecting shafts 218 are rotatably connected in the inner cavity. One end of the connecting shaft 218 extends to the outside of the inner cavity and is fixedly connected to a moving screw 213. The outer surface of the moving screw 213 is threadedly connected to a connecting block 216. The other end of the connecting block 216 is fixedly connected to a rust removal block 215. A sliding rod 217 is fixedly connected to one side of the rotating ring 220. The sliding rod 217 is slidably connected to the connecting block 216. The outer surface of the connecting shaft 218 is fixedly connected to the A first bevel gear 209 is connected, one side of the first bevel gear 209 is meshed with a second bevel gear 212, one side of the second bevel gear 212 is fixedly connected to a rotating shaft, and one end of the rotating shaft extends to the outside of the inner cavity and is fixedly connected to a linkage gear 211, one side of the rotating ring 220 is rotatably connected to a rotating gear ring 214, and the rotating gear ring 214 is meshed with the linkage gear 211, the first screw seat 202 is rotatably connected to a sleeve 208, and a rotating rod 203 is slidably connected to the sleeve 208, and the rotating rod 203 is rotatably connected to the sliding groove 201, and a transmission gear 207 is fixedly connected to the outer surface of the sleeve 208, and a fixed gear ring 210 is fixedly connected to the outer surface of the rotating ring 220, and the fixed gear ring 210 is meshed with the transmission gear 207. A reciprocating screw 221 is threadedly connected, and the reciprocating screw 221 is rotatably connected in the sliding groove 201. The rotating rod 203 extends to the outside of the sliding groove 201 through the first rotating shaft and is fixedly connected to the second gear 206. One end of the reciprocating screw 221 extends to the outside of the sliding groove 201 through the second rotating shaft and is fixedly connected to the first gear 205. The first gear 205 is meshed with the second gear 206. A driving motor 204 is fixedly installed on one side of the workbench 1 through a mounting plate. One end of the output shaft of the driving motor 204 is fixedly connected to one side of the first gear 205. By setting the rust removal component 2, the staff drives the linkage gear 211 to rotate by rotating the gear ring 214, and the linkage gear 211 drives the first bevel gear 209 to rotate through the second bevel gear 212. The first bevel gear 209 drives the movable screw 213 to rotate through the connecting shaft 218, and the movable screw 213 drives the rust removal block 215 through the connecting block 216 to make the rust removal block 215 fit the surface of the PC steel rod, so that the rust removal block 215 can fit PC steel rods of different specifications, thereby improving the applicability of the device. Afterwards, the driving motor 204 drives the rust removal block 215 to reciprocate along the axial direction of the PC steel rod and remove rust from the PC steel rod through the reciprocating screw 221, the second screw seat 303, the fixed ring 219 and the rotating ring 220. At the same time, the driving motor 204 drives the rotating ring 220 to rotate through the first gear 205, the second gear 206, the rotating rod 203, the sleeve 208, the transmission gear 207 and the fixed gear ring 210.The rotating ring 220 drives the rust removal block 215 to rotate through the connecting block 216, and the rust removal block 215 performs radial rust removal on the PC steel bar. There is no dead angle in the rust removal of the PC steel bar, which improves the rust removal effect on the PC steel bar.

[0030] The clamping assembly 3 includes a fixed block 305, the bottom of the fixed block 305 is fixedly connected to the top of the workbench 1, a moving groove 307 is opened on the top of the fixed block 305, two adjusting screws 304 are rotatably connected in the moving groove 307, the two adjusting screws 304 are fixedly connected through a fixed shaft, the outer surface of the adjusting screw 304 is threadedly connected to a second screw seat 303, the top of the second screw seat 303 is fixedly connected to a moving rod 301, one side of the moving rod 301 is fixedly connected to a clamping block 302, and one end of the adjusting screw 304 is fixed A third rotating shaft is connected, one end of the third rotating shaft extends to the movable groove 307 and is fixedly connected to a knob 306. By setting the clamping assembly 3, the knob 306 drives the adjusting screw 304 to rotate, the adjusting screw 304 drives the second screw seat 303 to move, the second screw seat 303 drives the moving rod 301 to move, the moving rod 301 drives the clamping block 302 to move and clamp and limit the PC steel rod, so that the clamping block 302 can clamp and limit PC steel rods of different diameters, thereby improving the applicability of the device.

[0031] Working principle: When in use, the staff places the PC steel rod between the two clamping blocks 302, and the staff turns the knob 306, and the knob 306 drives the adjusting screw 304 to rotate, and the adjusting screw 304 drives the second screw seat 303 to move, and the second screw seat 303 drives the moving rod 301 to move, and the moving rod 301 drives the clamping block 302 to move and clamps and limits the PC steel rod. After completing the clamping and limiting of the PC steel rod, the staff turns the rotating gear ring 214, and the rotating gear ring 214 drives the linkage gear 211 to rotate, and the linkage gear 211 drives the second bevel gear 212 to rotate, and the second bevel gear 212 drives the first bevel gear 209 to rotate, and the first bevel gear 209 drives the connecting shaft 218 to rotate, and the connecting shaft 218 drives the moving screw 213 to rotate, and the moving screw 213 drives the connecting block 216 to move. The connecting block 216 drives the rust removal block 215 to move and makes the rust removal block 215 fit with the surface of the PC steel rod. After that, the staff starts the driving motor 204, and the driving motor 204 drives the reciprocating screw 221 to rotate, and the reciprocating screw 221 drives the second screw seat 303 to move. At the same time, the driving motor 204 drives the first gear 205 to rotate, the first gear 205 drives the second gear 206 to rotate, the second gear 206 drives the rotating rod 203 to rotate, the rotating rod 203 drives the sleeve 208 to rotate, the sleeve 208 drives the transmission gear 207 to rotate, the transmission gear 207 drives the fixed gear ring 210 to rotate, the fixed gear ring 210 drives the rotating ring 220 to rotate, the rotating ring 220 drives the connecting block 216 to rotate, the connecting block 216 drives the rust removal block 215 to rotate, and the rust removal block 215 removes rust from the PC steel rod.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An adjustable rust removal device for PC steel bars, comprising a workbench (1), characterized in that: Clamping components (3) are arranged on both sides of the top of the workbench (1), and a rust removal component (2) is arranged on the top of the workbench (1); The rust removal component (2) comprises a fixed ring (219), the bottom of which is fixedly connected to a first screw seat (202), the top of the workbench (1) is provided with a sliding groove (201), the first screw seat (202) is slidably connected in the sliding groove (201), both sides of the fixed ring (219) are rotatably connected to rotating rings (220), an inner cavity is provided inside the rotating ring (220), a plurality of connecting shafts (218) are rotatably connected in the inner cavity, one end of the connecting shaft (218) extends to the outside of the inner cavity and is fixedly connected to a movable screw (213), the outer surface of the movable screw (213) is threadedly connected to a connecting block (216), the other end of the connecting block (216) is fixedly connected to a rust removal block (215), one side of the rotating ring (220) is fixedly connected to a sliding rod (217), and the sliding rod (217) is slidably connected to the connecting block (216).

2. The adjustable rust removal device for PC steel bars according to claim 1 is characterized in that: The outer surface of the connecting shaft (218) is fixedly connected to a first bevel gear (209), one side of the first bevel gear (209) is meshed with a second bevel gear (212), one side of the second bevel gear (212) is fixedly connected to a rotating shaft, and one end of the rotating shaft extends to the outside of the inner cavity and is fixedly connected to a linkage gear (211), one side of the rotating ring (220) is rotatably connected to a rotating gear ring (214), and the rotating gear ring (214) is meshed with the linkage gear (211).

3. The adjustable rust removal device for PC steel bars according to claim 2 is characterized in that: The first screw seat (202) is internally rotatably connected to a sleeve (208), and a rotating rod (203) is slidably connected to the sleeve (208). The rotating rod (203) is rotatably connected to the sliding groove (201). The outer surface of the sleeve (208) is fixedly connected to a transmission gear (207). The outer surface of the rotating ring (220) is fixedly connected to a fixed gear ring (210). The fixed gear ring (210) is meshed with the transmission gear (207). The first screw seat (202) is internally threadedly connected to a reciprocating screw (221), and the reciprocating screw (221) is rotatably connected to the sliding groove (201).

4. The adjustable rust removal device for PC steel bars according to claim 3 is characterized in that: The rotating rod (203) extends to the outside of the sliding groove (201) through the first rotating shaft and is fixedly connected to the second gear (206); one end of the reciprocating screw (221) extends to the outside of the sliding groove (201) through the second rotating shaft and is fixedly connected to the first gear (205); the first gear (205) is meshed with the second gear (206); a driving motor (204) is fixedly installed on one side of the workbench (1) through a mounting plate; one end of the output shaft of the driving motor (204) is fixedly connected to one side of the first gear (205).

5. The adjustable rust removal device for PC steel bars according to claim 4 is characterized in that: The clamping assembly (3) comprises a fixed block (305), the bottom of the fixed block (305) is fixedly connected to the top of the workbench (1), the top of the fixed block (305) is provided with a movable groove (307), two adjusting screws (304) are rotatably connected in the movable groove (307), the two adjusting screws (304) are fixedly connected via a fixed shaft, the outer surface of the adjusting screw (304) is threadedly connected to a second screw seat (303), the top of the second screw seat (303) is fixedly connected to a movable rod (301), and one side of the movable rod (301) is fixedly connected to a clamping block (302).

6. The adjustable rust removal device for PC steel bars according to claim 5, characterized in that: One end of the adjusting screw (304) is fixedly connected to a third rotating shaft, and one end of the third rotating shaft extends to the moving groove (307) and is fixedly connected to a knob (306).

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