Spiral steel bar bender capable of adjusting spacing

Abstract

The spiral steel bar bender comprises a platform, a power mechanism is fixedly installed on the lower surface of the platform, a driving shaft is fixedly installed at the output end of the power mechanism, a driving roller is assembled on the outer surface of the driving shaft, and a driven roller is rotationally assembled on the upper surface of the platform. A threaded groove is formed in the lower side of the outer surface of the driving roller, an installation structure is connected into the threaded groove in a threaded mode, a reinforcing steel bar angle adjusting structure is rotationally assembled on the outer surface of the installation structure, and one end of the reinforcing steel bar is fixed to the reinforcing steel bar angle adjusting structure. The inclined angle of the reinforcing steel bar to be spirally bent can be adjusted by adjusting the spiral distance of the spiral reinforcing steel bar, angle scales and positioning scale marks are arranged on the mounting structure and the reinforcing steel bar angle adjusting structure correspondingly, the deflection angle of the reinforcing steel bar can be accurately controlled, the spiral distance of the spiral reinforcing steel bar can be accurately adjusted, and the percent of pass of the machined spiral reinforcing steel bar is increased.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of steel bar bending machine, especially provide a spiral steel bar bending machine of adjustable interval. BACKGROUND

[0002] In the process of processing steel bars, according to actual needs, part of steel bars will be processed into spiral steel bars. The existing spiral steel bar bending equipment generally uses driving roller and driven roller in cooperation, and the steel bar rotates with the driving roller to form spiral steel bar winding the driving roller under the auxiliary action of the driven roller. For spiral steel bars, the interval of the spiral needs to be determined when processing, and then qualified spiral steel bars are obtained. The existing spiral steel bar bending equipment is manually controlled to incline the angle of the steel bar, and thus it is difficult to ensure the interval of the spiral steel bar, and it is difficult to accurately obtain the spiral steel bar of the specified specification. Therefore, a spiral steel bar bending machine with adjustable interval is needed. SUMMARY

[0003] To solve the above problems, the utility model provides a spiral steel bar bending machine with adjustable interval.

[0004] To achieve the above purpose, the utility model adopts the technical scheme of a spiral steel bar bending machine with adjustable interval, which comprises a platform, a power mechanism is fixedly installed on the lower surface of the platform, a driving shaft is fixedly installed on the output end of the power mechanism, a driving roller is assembled on the outer surface of the driving shaft, and the driving roller is arranged on the upper surface of the platform, a driven roller is rotatably assembled on the upper surface of the platform, a threaded groove is formed in the lower side of the outer surface of the driving roller, a mounting structure is screwed in the threaded groove, a steel angle adjusting structure is rotatably assembled on the outer surface of the mounting structure, and one end of the steel bar is fixed to the steel angle adjusting structure.

[0005] Further, the mounting structure comprises a threaded block, and the threaded block is screwed in the threaded groove, a cylindrical groove is formed in the middle of the outer end face of the threaded block, and a threaded stud is integrally formed on the outer end face of the threaded block in a symmetrical manner.

[0006] Further, the steel angle adjusting structure comprises a mounting plate, a cylindrical block and a steel positioning frame, the mounting plate is fixedly installed on the outer end face of the cylindrical block, the steel positioning frame is fixedly installed on the outer surface of the mounting plate, a steel placing hole is formed in the steel positioning frame, arc-shaped sliding grooves are formed on the outer surface of the mounting plate in a symmetrical manner, the arc-shaped sliding grooves are sleeved on the threaded studs, and a fastening nut is screwed on the threaded stud.

[0007] Further, reinforcing ribs are integrally formed on the outer end faces of the steel positioning frame.

[0008] Further, the upper surface of the reinforcing steel bar positioning frame is provided with a threaded hole communicated with the reinforcing steel bar placing hole, and a fastening screw is screwed in the threaded hole.

[0009] Further, the outer end surface of the threaded block is provided with an angle scale symmetrically in front and back, the diameter of the cylindrical block is greater than the width of the mounting plate, and the outer end surface of the cylindrical block is provided with a positioning scale line symmetrically in front and back.

[0010] Further, the outer surface of the driving shaft is provided with a slot, the outer surface of the driving roller is provided with a through groove corresponding to the slot, and the positioning mechanism is inserted into the slot and the through groove.

[0011] Further, the outer surface of the driving roller is provided with a groove communicated with the through groove, and the outer circumferential surface of the positioning mechanism is provided with an annular groove at the outer end.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model discloses a reinforcing steel bar angle adjusting structure, which can adjust the inclination angle of the reinforcing steel bar to be spirally bent by adjusting the angle of the reinforcing steel bar positioning frame, and the angle scale and the positioning scale line are arranged on the mounting structure and the reinforcing steel bar angle adjusting structure respectively, so that the reinforcing steel bar deflection angle can be accurately controlled, the spiral spacing of the spiral reinforcing steel bar can be accurately adjusted, and the qualified rate of the processed spiral reinforcing steel bar is improved.

[0014] 2. The utility model discloses that the connection between the driving roller and the driving shaft is realized through the positioning mechanism, so that the driving roller can be fixed while rotating synchronously, and the spiral processing of the reinforcing steel bar is ensured to be smoothly carried out.

[0015] 3. The utility model discloses a mounting structure, which can detach the reinforcing steel bar angle adjusting structure from the driving roller, is convenient for maintenance, and is also convenient for replacing the reinforcing steel bar angle adjusting structure, so that the reinforcing steel bar angle adjusting structure is suitable for spiral processing of reinforcing steel bars with different diameters. DRAWINGS

[0016] Figure 1 It is a front view of the utility model.

[0017] Figure 2 It is a front view of the driving shaft and the driving roller of the utility model.

[0018] Figure 3 It is a left view of the mounting structure and the reinforcing steel bar angle adjusting structure of the utility model.

[0019] Figure 4 It is a front view of the utility model Figure 2 It is a partial enlarged view of part a of the utility model.

[0020] Figure 5 It is a front view of the utility model Figure 2Cross-sectional view in the A-A direction.

[0021] The reference signs include: 1, platform, 2, driving shaft, 21, slot, 3, driving roller, 31, threaded groove, 32, through groove, 33, groove, 4, driven roller, 5, mounting structure, 51, threaded block, 52, cylindrical groove, 53, stud, 6, reinforcement angle adjusting structure, 61, mounting plate, 62, arc-shaped sliding groove, 63, cylindrical block, 64, reinforcement positioning frame, 641, reinforcing rib, 65, fastening screw, 66, fastening nut, 7, positioning mechanism, 71, annular groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only 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 scope of protection of the utility model.

[0023] Referring to Figures 1 to 5 A spiral reinforcement bending machine with adjustable spacing, comprising a platform 1, the lower surface of the platform is fixedly installed with a power mechanism, and the output end of the power mechanism is fixedly installed with a driving shaft 2, the outer surface of the driving shaft 2 is assembled with a driving roller 3, and the driving roller 3 is arranged on the upper surface of the platform 1, the upper surface of the platform is rotatably assembled with a driven roller 4, the outer surface of the driving roller 3 is provided with a threaded groove 31 at the lower side, the threaded groove 31 is screwed with a mounting structure 5, the outer surface of the mounting structure 5 is rotatably assembled with a reinforcement angle adjusting structure 6, and one end of the reinforcement is fixed to the reinforcement angle adjusting structure 6.

[0024] The power mechanism is composed of a motor and a transmission structure, which is used to drive the driving shaft 2 to rotate, and in turn drive the driving roller 3 to rotate. In addition, according to the actual processing needs, driving rollers 3 of different sizes can be selected.

[0025] A fixed shaft is arranged on the upper surface of the platform 1, and the driven roller 4 is sleeved on the fixed shaft, so that the size of the driven roller 4 can be adjusted according to the actual processing needs.

[0026] The driving roller 3 drives the reinforcement to rotate, and under the restriction of the driven roller 4, the spiral processing work of the reinforcement is carried out.

[0027] The mounting structure 5 is arranged, which can conveniently disassemble and assemble the reinforcement angle adjusting structure 6, facilitate the maintenance and replacement of the mounting structure 5 and the reinforcement angle adjusting structure 6, and can replace the reinforcement angle adjusting structure 6 suitable for different diameter reinforcements.

[0028] The steel bar angle adjusting structure 6 can be deflected and fixed on the mounting structure 5, the inclination angle of the straight steel bar is adjusted, and then the spiral interval of the spiral steel bar is adjusted, when the steel bar angle adjusting structure 6 determines the angle and fixes one end of the steel bar, the spiral interval of the steel bar in the spiral processing process is ensured to be unchanged, and the qualified rate of the finished product is improved.

[0029] Specifically, as shown in Figure 3 and Figure 4 , the mounting structure 5 comprises a threaded block 51, and the threaded block 51 is screwed in the threaded groove 31, a cylindrical groove 52 is formed in the middle of the outer end surface of the threaded block 51, and two threaded columns 53 are integrally formed on the outer end surface of the threaded block 51.

[0030] The threads in the threaded groove 31 and the threads of the threaded block 51 are designed, so that when the threaded block 51 is screwed into the innermost position of the threaded groove 31, the two threaded columns 53 are in the vertical plane.

[0031] Specifically, as shown in Figure 3 and Figure 4 , the steel bar angle adjusting structure 6 comprises a mounting plate 61, a cylindrical block 63 and a steel bar positioning frame 64, the mounting plate 61 is fixedly installed on the outer end surface of the cylindrical block 63, the steel bar positioning frame 64 is fixedly installed on the outer surface of the mounting plate 61, the steel bar positioning frame 64 is provided with a steel bar placing hole, and the outer surface of the mounting plate 61 is symmetrically provided with an arc-shaped sliding groove 62, and the arc-shaped sliding groove 62 is sleeved on the threaded column 53, and the threaded column 53 is screwed with a fastening nut 66.

[0032] The cooperation of the cylindrical block 63 and the cylindrical groove 52, and the cooperation of the threaded column 53 and the arc-shaped sliding groove 62 enable the steel bar angle adjusting structure 6 to be deflected on the mounting structure 5.

[0033] One end of the steel bar is placed in the steel bar placing hole.

[0034] A gasket is arranged between the fastening nut 66 and the mounting plate 61, when the fastening nut 66 is tightened, the mounting plate 61 is fixed, and then the spiral steel bar processing work can be carried out.

[0035] Specifically, as shown in Figure 3 and Figure 4 , the outer end surface of the steel bar positioning frame 64 is uniformly integrally formed with a reinforcing rib 641.

[0036] The reinforcing rib 641 is arranged to enhance the strength of the steel bar positioning frame 64.

[0037] Specifically, as shown in Figure 4 , the upper surface of the steel bar positioning frame 64 is provided with a threaded hole in communication with the steel bar placing hole, and the threaded hole is screwed with a fastening screw 65.

[0038] When the fastening screw 65 is tightened, the inner end of the fastening screw 65 is pressed on the reinforcing bar to fix one end of the reinforcing bar, thereby ensuring the smooth spiral processing.

[0039] Specifically, as shown in Figure 3 the outer end surface of the threaded block 51 is provided with an angle scale symmetrically in front and back, the diameter of the cylindrical block 63 is greater than the width of the mounting plate 61, and the outer end surface of the cylindrical block 63 is provided with a positioning scale line symmetrically in front and back.

[0040] Through the angle scale and the positioning scale line, the deflection of the reinforcing bar angle adjusting structure 6 can be quantitatively determined, thereby accurately determining the spiral spacing of the spiral reinforcing bar.

[0041] Specifically, as shown in Figure 2 and Figure 5 the outer surface of the driving shaft 2 is provided with a slot 21, the outer surface of the driving roller 3 is provided with a through groove 32 corresponding to the slot 21, and the through groove 32 and the slot 21 are inserted with the positioning mechanism 7.

[0042] The insertion of the positioning mechanism 7 fixes the driving roller 3 on the driving shaft 2, and when the driving shaft 2 rotates, it can drive the driving roller 3 to rotate, thereby driving the reinforcing bar to rotate.

[0043] Specifically, as shown in Figure 2 and Figure 5 the outer surface of the driving roller 3 is provided with a groove 33 communicating with the through groove 32, and the outer circumferential surface of the positioning mechanism 7 is provided with an annular groove 71.

[0044] The outer surface of the positioning mechanism 7 is an arc surface matched with the outer surface of the driving roller 3, so that it does not affect the bending of the reinforcing bar.

[0045] The annular groove 71 is arranged on the positioning mechanism 7, and the groove 33 is arranged, so as to facilitate the taking out of the positioning mechanism 7 from the through groove 32.

[0046] The above is only a preferred embodiment of the present application, and for those skilled in the art, according to the idea of the present application, many changes can be made in the specific implementation mode and application range, as long as these changes do not deviate from the concept of the present application, and all belong to the protection scope of the present application.

Claims

1. An adjustable spacing spiral reinforcement bender characterized by: The utility model provides a kind of steel bar angle adjusting structure, including platform, the lower surface of the platform is fixedly installed with power mechanism, and the output end of power mechanism is fixedly installed with driving shaft, the outer surface of the driving shaft is equipped with driving roller, and driving roller is placed on the upper surface of platform, the upper surface of the platform is rotatably equipped with driven roller, the outer surface lower side of the driving roller is equipped with thread groove, the thread groove is screwed with mounting structure, the outer surface of the mounting structure is rotatably equipped with steel bar angle adjusting structure, and the one end of steel bar is fixed on steel bar angle adjusting structure.

2. A machine for bending helical steel reinforcement according to claim 1, wherein: The mounting structure includes a threaded block, which is screwed into the threaded groove, a cylindrical groove is formed in the middle of the outer end surface of the threaded block, and a stud is integrally formed on the outer end surface of the threaded block symmetrically above and below.

3. A machine for bending helical steel reinforcement according to claim 2, wherein: The steel bar angle adjusting structure includes a mounting plate, a cylindrical block and a steel bar positioning frame, the mounting plate is fixedly installed on the outer end surface of the cylindrical block, the steel bar positioning frame is fixedly installed on the outer surface of the mounting plate, a steel bar placing hole is formed in the steel bar positioning frame, arc-shaped sliding grooves are symmetrically formed on the outer surface of the mounting plate, and the arc-shaped sliding grooves are sleeved on the studs, and a fastening nut is screwed on the stud.

4. A machine for bending helical steel reinforcement according to claim 3, wherein: The outer end surface of the steel bar positioning frame is uniformly integrally formed with a reinforcing rib.

5. A machine for bending helical steel reinforcement according to claim 3, wherein: A threaded hole is formed in the upper surface of the steel bar positioning frame and communicates with the steel bar placing hole, and a fastening screw is screwed in the threaded hole.

6. A machine for bending helical steel reinforcement according to claim 3, wherein: The outer end surface of the threaded block is provided with an angle scale symmetrically in front and back, the diameter of the cylindrical block is greater than the width of the mounting plate, and the outer end surface of the cylindrical block is provided with a positioning scale line symmetrically in front and back.

7. The adjustable spacing spiral reinforcing bar bender as claimed in claim 1 wherein: A slot is formed in the outer surface of the driving shaft, a through groove corresponding to the slot is formed in the outer surface of the driving roller, and a positioning mechanism is inserted into the slot and the through groove.

8. A machine for bending helical steel reinforcement according to claim 7, wherein: A recess is formed in the outer surface of the driving roller and communicates with the through groove, and an annular recess is formed in the outer circumferential surface of the positioning mechanism.

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