Prefabricated guardrail reinforcing steel bar hoop bending and cutting-off integrated equipment

Abstract

The utility model belongs to the technical field of reinforcing steel bar hoop bending equipment, and discloses prefabricated guardrail reinforcing steel bar hoop bending and cutting-off integrated equipment. The turntable is rotationally connected to the upper end face of the workbench, a fixed shaft coaxially arranged is fixed to the upper end of the turntable, and a pressing block coaxially arranged with the fixed shaft is arranged on the edge of the upper end face of the turntable; the multiple sleeves are arranged in a sleeving mode, the adjacent sleeves are connected in a sliding and clamping mode in the axis direction, the sleeve on the innermost side is arranged on the fixing shaft in a sleeving mode, the sleeve on the innermost layer is connected with the fixing shaft in a sliding and clamping mode in the axis direction of the sleeve, the lower ends of the sleeves are attached to the rotating disc, and the upper ends of the sleeves are located at the upper end of the pressing block; the purpose of controlling and adjusting the radian of the bending corner of the bent reinforcing steel bar according to actual needs is achieved.

Description

Technical Field

[0001] The present disclosure belongs to the technical field of steel bar bending and hoop forming equipment, and particularly relates to an integrated equipment for bending, hooping and cutting precast guardrail steel bars. Background Art

[0002] A steel bar bending and hooping machine is used for hooping and bending steel bars in the construction industry. The existing bending structure consists of bending components such as a bending shaft and a central shaft. The steel bar is placed between the bending shaft and the central shaft, and the steel bar completes the bending process under the drive of the bending shaft.

[0003] Chinese Patent Publication No. CN204912581U discloses a steel bar bending and hooping machine, which includes a bending mechanism on a frame. The bending mechanism includes a bending shaft and a central shaft. The central shaft drives a working disk to rotate, and a bending shaft is arranged on the periphery of the working disk. It is characterized in that: an eccentric wheel is installed on the bending shaft, the eccentric wheel is provided with an installation hole, and the top end of the bending shaft is connected with a nut in a matching manner to play a role in fixing the eccentric wheel. The steel bar bending and hooping machine with such a structure can perform hooping operations on steel bars with different diameters, and has the advantages of convenient use and wide application range.

[0004] However, the radius of the central shaft in the above patent is fixed. That is, when the steel bar is bent along the central shaft, the radian of the bending corner of the steel bar cannot be changed. Therefore, there is a problem in the prior art that it is not convenient to adjust the radian of the bending corner of the steel bar according to actual needs. Summary of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the purpose of the present disclosure is to provide an integrated equipment for bending, hooping and cutting precast guardrail steel bars, which solves the problem in the prior art that it is not convenient to adjust the radian of the bending corner of the steel bar according to actual needs.

[0006] The purpose of the present disclosure can be achieved by the following technical solutions:

[0007] An integrated equipment for bending, hooping and cutting precast guardrail steel bars includes:

[0008] A workbench;

[0009] A turntable, which is rotatably connected to the upper end surface of the workbench. A fixed shaft placed coaxially is fixed on the upper end of the turntable, and a pressing block placed coaxially with the fixed shaft is arranged at the edge of the upper end surface of the turntable;

[0010] A sleeve, the number of sleeves is multiple. The multiple sleeves are sleeved with each other, and are slidably clamped along the axial direction between adjacent sleeves. The innermost sleeve is sleeved on the fixed shaft, and the innermost sleeve is slidably clamped with the fixed shaft along its axial direction. The lower end of the sleeve fits on the turntable, and the upper end of the sleeve is located above the pressing block;

[0011] The fixing member is suspended directly above the workbench. A pair of supporting members are fixed on the fixing member, and the lower ends of the supporting members are fixed on the workbench. A first telescopic cylinder placed vertically downward is installed on the fixing member, and a cutting knife is fixed at the output end of the first telescopic cylinder.

[0012] The principle and effect of the above technical solution are as follows:

[0013] The cutting knife is pushed by the first telescopic cylinder to cut the steel bar. The cut steel bar is placed between the pressing block and the sleeve. According to the radian of the bend corner required for the steel bar, a sleeve with an outer diameter size adapted to the bending radian is selected, and the remaining sleeves outside the selected sleeve are pushed up above the upper end surface of the pressing block, so as to achieve the purpose of controlling and adjusting the radian size at the bend corner of the steel bar according to actual needs.

[0014] A pair of first chutes placed coaxially with the fixed shaft are provided on the outer side wall of the fixed shaft. A pair of ridges placed coaxially with the fixed shaft are fixed on the inner side wall of the sleeve. The ridges on the innermost sleeve are slidably clamped with the first chutes;

[0015] Except for the outermost sleeve, a pair of second chutes placed coaxially with the fixed shaft are provided on the outer side wall of the remaining sleeves, and the second chutes on any sleeve are slidably clamped with the ridges on its adjacent outer sleeve;

[0016] A second telescopic cylinder placed vertically upward is fixed on the turntable, and the second telescopic cylinder is located on the side of the fixed shaft away from the pressing block. An installation plate is fixed at the output end of the second telescopic cylinder. A third telescopic cylinder placed horizontally towards the sleeve is fixedly installed on the installation plate. A driving rod is provided at the output end of the third telescopic cylinder. Circular through holes placed coaxially with the driving rod are provided at the ends of the sleeves close to the third telescopic cylinder, and the diameter of the circular through holes is equal to that of the driving rod;

[0017] The workbench is in the shape of a box with a hollow interior. A rotating motor for driving the turntable to rotate is installed inside the workbench;

[0018] The lower end of the pressing block is in contact with and slidably connected to the turntable. An installation seat is provided on the side of the pressing block away from the fixed shaft. A screw rod horizontally facing the fixed shaft is rotatably connected to the installation seat. A sliding block connected by threads is sleeved on the screw rod. The other end of the sliding block is fixed to the pressing block. A rotating handle is fixedly connected to the end of the screw rod away from the pressing block;

[0019] A connecting block is fixed at the lower end of the sliding block. A sliding rod placed horizontally is fixed on the installation seat. The sliding rod passes through the connecting block and is slidably connected to it;

[0020] A cushion strip placed perpendicular to the cutting knife is fixedly placed on the workbench. The cushion strip is located below the cutting knife. A plurality of semi-cylindrical grooves placed coaxially with it are provided on the cushion strip. A notch groove is provided at the position of the cushion strip directly below the cutting knife;

[0021] A baffle is slidably connected to the cushion strip, and a fourth telescopic cylinder horizontally facing the baffle is installed on the fixing member, and the output end of the fourth telescopic cylinder is fixed to the baffle;

[0022] Universal wheels are installed at the four corners of the lower end surface of the workbench.

[0023] The explanations of the nouns, conjunctions or adjectives involved in the above technical solutions are as follows:

[0024] Connection: refers to the process of connecting two separated profiles or parts into a complex part or component using fasteners such as screws, bolts and rivets.

[0025] Sliding connection: two objects are in contact but not fixed, and they can slide relative to each other.

[0026] Advantages of the present disclosure:

[0027] 1. The cutting knife is pushed by the first telescopic cylinder to cut the steel bar. The cut steel bar is placed between the pressing block and the sleeve. According to the radian of the bend corner required for the steel bar, a sleeve with an outer wall diameter size adapted to the bending radian is selected, and the remaining sleeves outside the pushed sleeve are moved up above the upper end surface of the pressing block, so as to achieve the purpose of controlling and adjusting the radian size of the bend corner of the required bent steel bar according to actual needs;

[0028] 2. Through the setting of the second telescopic cylinder, the mounting plate, the third telescopic cylinder, the first chute, the convex strip, the second chute and the circular through hole, after selecting the required size sleeve according to the radian size of the bend corner required for the steel bar, it is convenient to automatically push and move the sleeves outside the sleeve;

[0029] 3. Through the setting of the mounting seat, the screw, the sliding block and the turning handle, it is convenient to automatically adjust the distance between the pressing block and the sleeve according to the diameter of the bent steel bar, and keep both sides of the steel bar in contact with the pressing block and the sleeve respectively during bending. Description of the Drawings

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0031] Figure 1 is the overall structural schematic diagram of the embodiment of the present disclosure;

[0032] Figure 2 is the partial structural schematic diagram of the rotating motor in the embodiment of the present disclosure;

[0033] Figure 3It is a schematic diagram of a partial structure at the turntable according to an embodiment of the present disclosure;

[0034] Figure 4 It is a schematic diagram of a partial structure at the fixed shaft according to an embodiment of the present disclosure;

[0035] Figure 5 It is a schematic diagram of a partial structure at the sleeve according to an embodiment of the present disclosure;

[0036] Figure 6 It is a schematic diagram of a partial structure at the cutting knife according to an embodiment of the present disclosure. Specific embodiments

[0037] Next, the technical solutions in the embodiments of the present disclosure will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present disclosure.

[0038] Herein, in conjunction with Figures 1 to 6 to describe an embodiment of a prefabricated guardrail steel bar bending and cutting integrated device. Specifically, the prefabricated guardrail steel bar bending and cutting integrated device is configured as a split structure, which has components such as a workbench 100, a turntable 200, a fixed shaft 300, a pressing block 400, a sleeve 500, a first telescopic cylinder 7, and a cutting knife 8. Place the steel bar on the workbench 100 so that the steel bar is directly below the cutting knife 8. Push the cutting knife 8 through the first telescopic cylinder 7 to cut the steel bar. Place the cut steel bar between the pressing block 400 and the sleeve 500. According to the radian of the corner to be bent of the steel bar, select a sleeve 500 with an outer wall diameter size adapted to the bending radian, and move the remaining sleeves 500 outside the sleeve 500 up above the upper end surface of the pressing block 400, so as to achieve the purpose of controlling and adjusting the radian size at the corner of the steel bar bending according to actual needs.

[0039] Please refer to Figures 1 to 6 , a prefabricated guardrail steel bar bending and cutting integrated device, comprising:

[0040] A workbench 100;

[0041] A turntable 200, the turntable 200 is rotatably connected to the upper end surface of the workbench 100. A fixed shaft 300 placed coaxially is fixed on the upper end of the turntable 200. A pressing block 400 placed coaxially with the fixed shaft 300 is provided at the edge of the upper end surface of the turntable 200;

[0042] The sleeve 500, and there are multiple sleeves 500. The multiple sleeves 500 are sleeved with each other, and adjacent sleeves 500 are slidably clamped along the axial direction. The innermost sleeve 500 is sleeved on the fixed shaft 300, and the innermost sleeve 500 is slidably clamped with the fixed shaft 300 along its axial direction. The lower end of the sleeve 500 is attached to the turntable 200, and the upper end of the sleeve 500 is located above the upper end of the pressing block 400.

[0043] The fixing member 6 is suspended directly above the workbench 100. A pair of supporting members are fixed on the fixing member 6, and the lower ends of the supporting members are fixed on the workbench 100. A first telescopic cylinder 7 placed vertically downward is installed on the fixing member 6, and a cutting knife 8 is fixed to the output end of the first telescopic cylinder 7.

[0044] As the rotating main body of the entire device, the turntable 200 can be made of high-quality metal materials such as stainless steel or aluminum alloy to enhance strength and durability. In addition, to provide better anti-slip performance, the surface of the turntable 200 can be specially treated and coated with an anti-slip and wear-resistant coating.

[0045] The sleeve 500 is used to contact the steel bar. To ensure the safety and reliability of the tool, the material of the sleeve 500 should be selected as a metal material with good toughness and tensile strength, such as stainless steel or aluminum alloy, and its surface can be coated with an anti-slip and wear-resistant coating.

[0046] The cutting knife 8 is a tool for cutting steel bars. Its material can be selected as metal materials with high strength and wear resistance such as high-speed steel and cemented carbide. The design of the cutting knife 8 should consider factors such as cutting angle, cutting force, and durability. The cutting knife 8 should undergo strict quality inspection and inspection before use.

[0047] Place the steel bar on the workbench 100 so that the steel bar is directly below the cutting knife 8. Push the cutting knife 8 through the first telescopic cylinder 7 to cut the steel bar. Place the cut steel bar between the pressing block 400 and the sleeve 500. According to the radian of the bend corner required for the steel bar, select a sleeve 500 with an outer wall diameter size suitable for the bending radian, and move the remaining sleeves 500 outside this sleeve 500 up above the upper end surface of the pressing block 400. Then rotate the turntable 200. The turntable 200 drives the fixed shaft 300, the pressing block 400, and the sleeve 500 to rotate, thereby bending the steel bar, and the radian of the bend corner is adapted to the radian of the side wall of the outermost sleeve 500 that is in contact with the turntable 200 at this time. The minimum radian of the bend corner of the steel bar is adapted to the radian of the fixed shaft 300, and the maximum radian of the bend corner of the steel bar is adapted to the radian of the outermost sleeve 500 of the fixed shaft 300, achieving the purpose of controlling and adjusting the radian size of the bend corner of the steel bar according to actual needs.

[0048] A pair of first sliding grooves 301 placed coaxially with the outer wall of the fixed shaft 300 are provided. A pair of ridges 501 placed coaxially with the fixed shaft 300 are fixed on the inner side walls of the sleeves 500. The ridges 501 on the innermost sleeve 500 are slidably clamped with the first sliding grooves 301.

[0049] Except for the outermost sleeve 500, a pair of second sliding grooves 502 placed coaxially with the fixed shaft 300 are provided on the outer side walls of the remaining sleeves 500. And the second sliding grooves 502 on any sleeve 500 are slidably clamped with the ridges 501 on its adjacent outer sleeve 500, which is convenient for realizing the sliding connection between the sleeves 500.

[0050] After selecting the required size of the sleeve 500, in order to facilitate the pushing and automatically moving up the sleeve 500 outside the selected sleeve 500, a second telescopic cylinder 9 placed vertically upward is fixed on the turntable 200. And the second telescopic cylinder 9 is located on the side of the fixed shaft 300 away from the pressing block 400. An installation plate is fixed on the output end of the second telescopic cylinder 9. A third telescopic cylinder 10 placed horizontally toward the sleeve 500 is fixedly installed on the installation plate. A driving rod is provided at the output end of the third telescopic cylinder 10. Circular through holes 503 placed coaxially with the driving rod are provided at the ends of the sleeves 500 close to the third telescopic cylinder 10. The diameter of the circular through holes 503 is equal to that of the driving rod.

[0051] In the initial state, the driving rod is inserted into the circular through holes 503 of the sleeves 500. The third telescopic cylinder 10 is turned on, so that the driving rod at the output end of the third telescopic cylinder 10 moves away from the fixed shaft 300. The driving rod at the output end of the third telescopic cylinder 10 is separated from the inner sleeves 500 one by one. Then the second telescopic cylinder 9 is turned on to drive the installation plate and the third telescopic cylinder 10 to move up. At this time, the sleeves 500 still sleeved on the driving rod are pushed to move up.

[0052] The workbench 100 is in the shape of a box with a hollow interior. A rotating motor 11 for driving the turntable 200 to rotate is installed inside the workbench 100. The turntable 200, the fixed shaft 300, the adjusting unit and the pressing block 400 are driven to rotate by the rotating motor 11 to bend the steel bars.

[0053] The lower end of the briquetting block 400 is in contact with and slidably connected to the turntable 200. On one side of the briquetting block 400 away from the fixed shaft 300, there is a mounting seat 12. A screw rod 13 horizontally facing the fixed shaft 300 is rotatably connected to the mounting seat 12. A sliding block 14 connected by threads is sleeved on the screw rod 13. The other end of the sliding block 14 is fixed to the briquetting block 400. A turning handle 15 is fixedly connected to the end of the screw rod 13 away from the briquetting block 400. By rotating the turning handle 15, the screw rod 13 can be driven. The screw rod 13 drives the sliding block 14 to perform screw transmission, and the sliding block 14 drives the briquetting block 400, which is convenient for automatically adjusting the distance between the briquetting block 400 and the sleeve 500 according to the diameter of the bent reinforcing bar, and keeping both sides of the reinforcing bar in contact with the briquetting block 400 and the sleeve 500 respectively during bending.

[0054] A connecting block is fixed to the lower end of the sliding block 14. A horizontally placed sliding rod 121 is fixed to the mounting seat 12. The sliding rod 121 passes through the connecting block and is slidably connected to it; this can improve the guiding property of the movement of the briquetting block 400.

[0055] For the convenience of cutting the reinforcing bar, a cushion bar 16 placed vertically with respect to the cutting knife 8 is fixedly placed on the workbench 100. The cushion bar 16 is located below the cutting knife 8. A plurality of semi-cylindrical grooves 161 axially placed with it are opened on the cushion bar 16. A notch groove 162 is opened at the position of the cushion bar 16 directly below the cutting knife 8. A plurality of reinforcing bars are respectively placed in the grooves 161. The cutting knife 8 is pushed down by the first telescopic cylinder 7, and the cutting knife 8 extends into the notch groove 162 to cut the reinforcing bar.

[0056] A baffle 17 is slidably connected to the cushion bar 16. A fourth telescopic cylinder 18 horizontally facing the baffle 17 is installed on the fixing member 6. The output end of the fourth telescopic cylinder 18 is fixed to the baffle 17; by starting the fourth telescopic cylinder 18 to drive the baffle 17 and controlling the distance between the baffle 17 and the cutting knife 8, the length of the reinforcing bar to be cut can be controlled.

[0057] Universal wheels 19 are installed at the four corners of the lower end face of the workbench 100.

[0058] In the description of this specification, the description referring to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present disclosure. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0059] The foregoing has shown and described the basic principles, main features, and advantages of the present disclosure. Those skilled in the art should understand that the present disclosure is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present disclosure. Without departing from the spirit and scope of the present disclosure, the present disclosure will have various changes and improvements, and these changes and improvements all fall within the scope of the present disclosure claimed.

Claims

1. A prefabricated guardrail steel bar bending and hoop cutting integrated equipment, characterized in that: include: Workbench(100); A turntable (200), the turntable (200) is rotatably connected to the upper end surface of the workbench (100), a fixed shaft (300) placed coaxially is fixed to the upper end of the turntable (200), and a pressing block (400) placed coaxially with the fixed shaft (300) is provided on the edge of the upper end surface of the turntable (200); A sleeve (500), wherein the number of sleeves (500) is multiple, the multiple sleeves (500) are sleeved with each other, and the adjacent sleeves (500) are slidably engaged along the axial direction, the innermost sleeve (500) is sleeved on the fixed shaft (300), and the innermost sleeve (500) is slidably engaged with the fixed shaft (300) along its axial direction, the lower end of the sleeve (500) is attached to the rotating disk (200), and the upper end of the sleeve (500) is located at the upper end of the pressing block (400); A fixing member (6) is suspended and arranged directly above the workbench (100); a pair of supporting members are fixed on the fixing member (6); the lower ends of the supporting members are fixed on the workbench (100); a first telescopic cylinder (7) placed vertically downward is installed on the fixing member (6); a cutter (8) is fixed on the output end of the first telescopic cylinder (7).

2. The prefabricated guardrail steel bar bending and hoop cutting integrated equipment according to claim 1 is characterized in that: A pair of first slide grooves (301) coaxially arranged with the fixed shaft (300) are provided on the outer wall of the fixed shaft (300), and a pair of convex strips (501) coaxially arranged with the fixed shaft (300) are fixed on the inner wall of the sleeve (500), and the convex strips (501) on the innermost sleeve (500) are slidably engaged with the first slide grooves (301); Except for the outermost sleeve (500), the outer side walls of the remaining sleeves (500) are provided with a pair of second sliding grooves (502) coaxially arranged with the fixed shaft (300), and the second sliding groove 5 (02) on any sleeve (500) is slidably engaged with the convex strip (501) on the adjacent sleeve 5 (00) on the outer layer.

3. The prefabricated guardrail steel bar bending and hoop cutting integrated equipment according to claim 2 is characterized in that: A second telescopic cylinder (9) placed vertically upward is fixed on the turntable (200), and the second telescopic cylinder (9) is located on a side of the fixed shaft (300) away from the pressure block (400). A mounting plate is fixed on the output end of the second telescopic cylinder (9), and a third telescopic cylinder (10) placed horizontally toward the sleeve (500) is fixed on the mounting plate. A driving rod is provided at the output end of the third telescopic cylinder (10), and a circular through hole (503) coaxially arranged with the driving rod is provided at the end of the sleeve (500) close to the third telescopic cylinder (10), and the diameter of the circular through hole (503) is equal to that of the driving rod.

4. The prefabricated guardrail steel bar bending and hoop cutting integrated equipment according to claim 3 is characterized in that: The workbench (100) is in the shape of a box with a hollow interior, and a rotating motor (11) for driving the turntable (200) to rotate is installed inside the workbench (100).

5. The prefabricated guardrail steel bar bending and hoop cutting integrated equipment according to claim 4 is characterized in that: The lower end of the pressing block (400) is in contact with the rotating disk (200) and is slidably connected thereto. A mounting seat (12) is provided on one side of the pressing block (400) away from the fixed shaft (300).

6. The prefabricated guardrail steel bar bending and hoop cutting integrated equipment according to claim 5 is characterized in that: A connecting block is fixed at the lower end of the sliding block (14), a horizontally placed sliding rod (121) is fixed on the mounting seat (12), and the sliding rod (121) passes through the connecting block and is slidably connected thereto.

7. The prefabricated guardrail reinforcement bending and hoop cutting integrated equipment according to claim 6 is characterized in that: A pad strip (16) is fixedly placed on the workbench (100) and is placed vertically with the cutter (8). The pad strip (16) is located below the cutter (8). The pad strip (16) is provided with a plurality of semi-cylindrical grooves (161) placed coaxially with the cutter (8). A notch groove (162) is provided on the pad strip (16) at a position directly below the cutter (8).

8. The prefabricated guardrail reinforcement bending and hoop cutting integrated equipment according to claim 7 is characterized in that: A baffle (17) is slidably connected to the pad strip (16), a fourth telescopic cylinder (18) is mounted on the fixing member (6) and is horizontally oriented toward the baffle (17), and an output end of the fourth telescopic cylinder (18) is fixed to the baffle (17).

9. The prefabricated guardrail steel bar bending, hoop cutting integrated equipment according to claim 1, characterized in that: Universal wheels (19) are installed at the four corners of the lower end surface of the workbench (100).

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