A tensile short steel bar processing device

Abstract

The present invention relates to a tensile short steel bar processing device, comprising a frame, a threaded hole in the middle of the top thereof, a threaded rotating part in the threaded hole; a first fixing mechanism arranged in the same axial direction as the threaded hole at the bottom of the frame, for fixing the bottom end of the steel wire and the steel bar core; a second fixing mechanism for fixing the top end of the steel wire is coupled to the bottom of the threaded rotating part; a prestressing part for applying prestress to the steel wire is connected to the top end of the threaded rotating part, and the prestressing part drives the threaded rotating part to rotate, so that the steel wire is wrapped around the steel bar core circle by circle, and the longitudinal displacement is calculated according to the number of revolutions of the prestressing part to determine the prestressing force of the steel wire. The present invention drives the steel wire to be wrapped around the steel bar core circle by circle through the first fixing mechanism, calculates the longitudinal displacement according to the number of revolutions of the prestressing part, and determines the prestressing force of the steel wire, thereby ensuring the stability of the clamping force during the processing of the tensile short steel bar and improving the processing efficiency of the tensile short steel bar.

Description

Technical Field

[0001] The invention relates to the technical field of processing equipment, and more particularly to a tensile short steel bar processing device. Background Art

[0002] In construction operations, stirrups are used to meet the shear strength of the inclined section and to connect the main force-bearing bars and the mixed reinforcement skeleton in the compression zone. At present, most stirrups are made of plain round steel bars. The tensile short steel bars can be made into a new type of stirrups, which have high strength and uniform force, better assist the main reinforcement of the column, and significantly improve the bonding ability of the interface with the concrete. However, during the production process of the tensile short steel bars, the steel wire used to reinforce the steel bars is prone to problems such as loose clamping, easy to be broken by clamping, and unable to be wound. The clamping force is unstable during the processing, which is not conducive to the production of the tensile short steel bars. Therefore, how to provide a tensile short steel bar processing device is a problem that technicians in this field urgently need to solve. Summary of the invention

[0003] Therefore, the purpose of the present invention is to provide a tensile short steel bar processing device to solve the problem of unstable wire clamping force in the tensile short steel bar processing process in the prior art.

[0004] The present invention provides a tensile short steel bar processing device, comprising:

[0005] A frame, wherein a threaded hole is provided in the middle of the top of the frame, and a threaded rotating part is fitted in the threaded hole;

[0006] A first fixing mechanism, the bottom of the frame has the first fixing mechanism arranged in the same axial direction as the threaded hole, and is used to fix the bottom end of the steel wire and the steel bar core;

[0007] A second fixing mechanism, the bottom of the threaded rotating portion is coupled with the second fixing mechanism for fixing the top end of the wire; and

[0008] A prestress applying part, wherein the top end of the threaded rotating part is connected to a prestress applying part for applying prestress to the steel wire. Rotating the prestress applying part drives the threaded rotating part to rotate, wrapping the steel wire around the steel core circle by circle, and calculating the longitudinal displacement according to the number of rotations of the prestress applying part to determine the prestressing force of the steel wire.

[0009] It can be seen from the above technical solution that compared with the prior art, the present invention discloses a device for processing short tensile steel bars, which fixes the two ends of the steel wire respectively, and drives the steel wire to be wrapped around the steel bar core circle by circle through a first fixing mechanism, calculates the longitudinal displacement according to the number of revolutions of the prestressing part, and determines the prestress of the steel wire, thereby ensuring the stability of the clamping force during the processing of the short tensile steel bars.

[0010] Furthermore, the frame includes: a bottom plate and a top plate of the same size, the bottom plate and the top plate are connected by a plurality of support rods, the threaded hole is opened in the middle of the top plate, and the first fixing mechanism is fixed in the middle of the bottom plate, and its center is on the same axis as the center of the threaded hole.

[0011] Furthermore, the bottom plate and the top plate are both made of high-quality steel.

[0012] Furthermore, the first fixing mechanism includes a fixing portion vertically fixed to the bottom of the frame, and a locking portion arranged on one side of the fixing portion and used to lock the bottom of the steel wire and the steel bar core.

[0013] Furthermore, the fixing part is a vertically arranged steel pipe, and the bottom end of the steel wire is fixed to the bottom of the steel core by a pipe clamp and inserted into the steel pipe. A threaded locking hole is provided on the side of the steel pipe, and the locking part is a top screw with a handwheel that cooperates with the threaded locking hole, and the axis of the steel pipe coincides with the axis of the threaded hole.

[0014] Furthermore, the threaded rotating portion is a high-strength bolt, and the high-strength bolt is threadably matched with the threaded hole.

[0015] Furthermore, the prestress applying part is a torsion handle, and the bottom of the torsion handle is welded to the high-strength bolt to control the prestressing force and the number of rotations of the high-strength bolt.

[0016] Furthermore, the second fixing mechanism comprises a convex clamp and a concave clamp which cooperate with each other, and the top end of the steel wire is clamped between the convex clamp and the concave clamp.

[0017] Furthermore, the convex clamp is welded to the bottom of the high-strength bolt, and four pin holes are provided on the convex clamp and the concave clamp. The convex clamp and the concave clamp are connected by high-strength connecting bolts, and the mating surfaces of the convex clamp and the concave clamp are provided with waterline grooves that are staggered and tightly engaged with each other.

[0018] Furthermore, eight steel wire fixing grooves are formed on the outer circumference of the concave clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0020] Figure 1 The accompanying drawing is a stereoscopic view of a tensile short steel bar processing device provided by the present invention;

[0021] Figure 2 The attached picture is Figure 1 The main view;

[0022] Figure 3 The accompanying drawing shows a schematic diagram of the connection between the top plate, the high-strength bolts and the second fixing mechanism;

[0023] Figure 4 The accompanying drawing shows a schematic diagram of the connection between the top screw and the steel pipe;

[0024] Figure 5 The accompanying drawings show a perspective view of a male clamp;

[0025] Figure 6 The accompanying drawing shows a front view of the male clamp;

[0026] Figure 7 The accompanying drawings show a perspective view of a concave clamp;

[0027] Figure 8 The accompanying drawing shows a front view of the female clamp;

[0028] Fig. 9 The accompanying drawing shows a schematic diagram of the connection of the pipe clamp, the steel wire and the steel core. DETAILED DESCRIPTION

[0029] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0030] In the description of the present invention, it is necessary to understand that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0034] During the production of short tensile steel bars, the steel wire used to reinforce the steel bars is prone to problems such as loose clamping, easy to be broken by clamping, and unable to be wound. During the processing, the clamping force of the steel wire is unstable, which is not conducive to the production of short tensile steel bars. Therefore, the embodiment of the present invention discloses a short tensile steel bar processing device, see the attached Figure 1-3 and 9, comprising: a frame, a threaded hole in the middle of the top of the frame, a threaded rotating part in the threaded hole; a first fixing mechanism, the bottom of the frame has the first fixing mechanism arranged in the same axial direction as the threaded hole, used to fix the bottom end of the steel wire and the steel core; a second fixing mechanism, the bottom of the threaded rotating part is coupled with the second fixing mechanism for fixing the top of the steel wire; and a prestress applying part, the top of the threaded rotating part is connected with a prestress applying part for applying prestress to the steel wire, rotating the prestress applying part drives the threaded rotating part to rotate, wrapping the steel wire around the steel core circle by circle, calculating the longitudinal displacement according to the number of revolutions of the prestress applying part, and determining the prestress of the steel wire. The present invention fixes the two ends of the steel wire respectively, and drives the steel wire to be wrapped around the steel core circle by circle through the first fixing mechanism, calculates the longitudinal displacement according to the number of revolutions of the prestress applying part, and determines the prestress of the steel wire, thereby ensuring the stability of the clamping force during the processing of the tensile short steel bar.

[0035] The steel wire in the present invention can be recycled tire bead steel wire or industrial regenerated steel wire.

[0036] See attached Figure 1 and 2In one embodiment of the present invention, the frame includes: a bottom plate 1 and a top plate 2 of the same size, the bottom plate 1 and the top plate 2 are connected by a plurality of support rods 3, the threaded hole is provided in the middle of the top plate 2, the first fixing mechanism is fixed in the middle of the bottom plate 1, and its center is on the same axis as the center of the threaded hole. Specifically, four support rods 3 can be used, and connection holes that cooperate with the support rods are provided on both the top plate and the bottom plate, and the connection form can be threaded connection or riveted fixation.

[0037] Advantageously, the bottom plate 1 and the top plate 2 are both made of high-quality steel, and the top plate and the bottom plate have a certain thickness to ensure operational stability during the prestressing process.

[0038] Specifically, the size of the base plate 1 is 500mmX300mmX20mm, the diameter of the four connecting holes is 20mm, the axial distance of the connecting holes is 50mm from the boundary, the axial distance of the transverse connecting holes is 400mm, the axial distance of the longitudinal connecting holes is 200mm, and the four corners are rounded.

[0039] The size of the top plate 2 is 500mmX300mmX20mm, the diameter of the four connecting holes is 20mm, the axial distance of the connecting holes is 50mm from the boundary, the axial distance of the transverse connecting holes is 400mm, the axial distance of the longitudinal connecting holes is 200mm, the four corners are rounded, the diameter of the threaded holes is 40mm, the diameter of the four supporting screws 3 is 20mm, and the length is 740mm.

[0040] In another embodiment of the present invention, the first fixing mechanism includes a fixing portion vertically fixed to the bottom of the frame, and a locking portion provided on one side of the fixing portion and used to lock the bottom of the steel wire and the steel bar core.

[0041] In a specific embodiment, see the attached Figure 4 The fixing part is a vertically arranged steel pipe 4. The bottom end of the steel wire is fixed to the bottom of the steel core X by a pipe clamp 41 and inserted into the steel pipe 4. A threaded locking hole is provided on the side of the steel pipe 4. The locking part is a top screw 5 with a hand wheel that matches the threaded locking hole. The axis of the steel pipe 4 coincides with the axis of the threaded hole. The bottom of the steel pipe is welded to the bottom plate. The length is 50mm, the inner diameter is 5mm, the outer diameter is 10mm, the diameter of the threaded locking hole is 5mm, and the top screw 5 is inserted horizontally into the threaded locking hole.

[0042] See attached Figure 4The threaded rotating part is a high-strength bolt 8, and the high-strength bolt 8 is threadedly matched with the threaded hole. The prestressing part is a twisting handle 9, and the bottom of the twisting handle 9 is welded to the high-strength bolt 8 to control the prestressing force and the number of rotations of the high-strength bolt 8. The high-strength bolt 8 is 200mm long and 40mm in diameter. The single arm length of the twisting handle 9 is 20mm, and a sleeve can be inserted to increase the length of the force arm.

[0043] See attached Figure 1 , 5 -8. In an embodiment of the present invention, the second fixing mechanism comprises a convex clamp 6 and a concave clamp 7 which cooperate with each other, and the top end of the steel wire is clamped between the convex clamp 6 and the concave clamp 7.

[0044] See attached Figure 5-8 The convex clamp 6 is welded to the bottom of the high-strength bolt 8 by two-sided welding. Four pin holes are provided on the convex clamp 6 and the concave clamp 7. The convex clamp 6 and the concave clamp 7 are connected by high-strength connecting bolts 62. The mating surfaces of the convex clamp 6 and the concave clamp 7 are provided with waterline grooves 61 that are staggered and tightly engaged with each other.

[0045] The convex clamp 6 is provided with four pin holes distributed in a ring shape, and the diameter of the pin holes can be set to 8mm. The axis of the pin holes is 40mm away from the center of the clamp. A circular hole is provided in the center to insert the high-strength bolt 8. The diameter of the circular hole is 40mm, and three layers of convex waterlines radiate outward at 25mm from the center of the circle. The waterline height is 2mm, and the waterline spacing is 2mm to form a waterline groove.

[0046] The concave clamp 7 is located vertically below the convex clamp and fits with the convex clamp. The four pin holes on the concave clamp 7 are also distributed in a ring shape. The diameter of the pin hole can be set to 8mm. The axis of the pin hole is 40mm away from the center of the clamp. A circular hole is set in the center. The diameter of the circular hole is 40mm. Three layers of concave water lines radiate outward at 25mm from the center of the circle. The water line depth is 2mm, and the water line spacing is 2mm, which is engaged with the convex water line and the concave water line. The outer circumference of the concave clamp 7 is inwardly concave to form eight steel wire fixing grooves 71, which can adapt to steel wires of different radii and different positions. The groove length is 8mm and the width is 4mm. The inner side is arc-processed to prevent the steel wire from being clamped off.

[0047] When in use, place the bottom of the Φ5 steel bar core in the steel pipe, fix the Φ5 steel bar core by adjusting the position of the top wire 5 in the threaded locking hole, use the pipe clamp 41 to fix one end of the 16 steel wires to the bottom of the Φ5 steel bar core, and connect the other end of the steel wire between the convex clamp and the concave clamp. Each steel wire fixing groove 71 on the concave clamp 7 accommodates 2 steel wires to prevent slippage. The convex clamp 6 and the concave clamp 7 are mechanically connected with 4 high-strength bolts with a diameter of 8mm, so that the steel wire is clamped firmly and reliably. The steel wire is fixed by the waterline groove to ensure that the steel wire is clamped firmly and reliably, and the accuracy of the prestressing force is increased; the fixing size of the fixing mechanism can be adjusted, and the steel wire is fixed by rotating the top wire, which is simple to operate and efficient, and the efficiency of tensile short steel bar processing is improved. After confirming that the steel bar core and the steel wire are fixed, the high-strength bolt 8 is operated by rotating the twist handle 9 to drive the clamp steel wire fixing device so that the steel wire wraps around the steel bar core, and the longitudinal displacement is calculated according to the number of turns of the twist handle to determine the prestressing force of the steel wire. By achieving the specified prestressing force, short tensile steel bar products are produced and processed.

[0048] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.

[0049] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A tensile short steel bar processing device, characterized in that: include: A frame, wherein a threaded hole is provided in the middle of the top of the frame, and a threaded rotating part is fitted in the threaded hole; A first fixing mechanism, the bottom of the frame has the first fixing mechanism arranged in the same axial direction as the threaded hole, and is used to fix the bottom end of the steel wire and the steel bar core; A second fixing mechanism, the bottom of the threaded rotating portion is coupled with the second fixing mechanism for fixing the top end of the wire; and A prestress applying part, wherein the top end of the threaded rotating part is connected to a prestress applying part for applying prestress to the steel wire, and the prestress applying part is driven by the threaded rotating part to rotate, so that the steel wire is wrapped around the steel core circle by circle, and the longitudinal displacement is calculated according to the number of revolutions of the prestress applying part to determine the prestressing force of the steel wire; The frame comprises a bottom plate (1) and a top plate (2), the bottom plate (1) and the top plate (2) are connected via a plurality of support rods (3), the threaded hole is provided in the middle of the top plate (2), and the first fixing mechanism is fixed in the middle of the bottom plate (1), and the center thereof is on the same axis as the center of the threaded hole; The threaded rotating part is a high-strength bolt (8), and the high-strength bolt (8) is threadably matched with the threaded hole; The prestress applying part is a twist handle (9), the bottom of which is welded to the high-strength bolt (8) to control the prestressing force and the number of rotations of the high-strength bolt (8).

2. A tensile short steel bar processing device according to claim 1, characterized in that: The bottom plate (1) and the top plate (2) have the same size specifications.

3. A tensile short steel bar processing device according to claim 2, characterized in that: The bottom plate (1) and the top plate (2) are both made of high-quality steel.

4. A tensile short steel bar processing device according to any one of claims 1 to 3, characterized in that: The first fixing mechanism includes a fixing part vertically fixed to the bottom of the frame, and a locking part arranged on one side of the fixing part and used for locking the bottom of the steel wire and the steel bar core.

5. The device for processing short tensile steel bars according to claim 4, characterized in that: The fixing part is a vertically arranged steel pipe (4), and the bottom end of the steel wire is fixed to the bottom of the steel core (X) by means of a pipe clamp (41) and inserted into the steel pipe (4). A threaded locking hole is arranged on the side of the steel pipe (4), and the locking part is a top screw (5) with a hand wheel that cooperates with the threaded locking hole. The axis of the steel pipe (4) coincides with the axis of the threaded hole.

6. The device for processing short tensile steel bars according to claim 1, characterized in that: The second fixing mechanism comprises a convex clamp (6) and a concave clamp (7) which cooperate with each other, and the top end of the steel wire is clamped between the convex clamp (6) and the concave clamp (7).

7. A tensile short steel bar processing device according to claim 6, characterized in that: The convex clamp (6) is welded to the bottom of the high-strength bolt (8), and four pin holes are provided on the convex clamp (6) and the concave clamp (7). The convex clamp (6) and the concave clamp (7) are connected by high-strength connecting bolts (62). The mating surfaces of the convex clamp (6) and the concave clamp (7) are provided with waterline grooves (61) that are staggered and tightly engaged with each other.

8. The device for processing short tensile steel bars according to claim 7, characterized in that: The outer circumference of the concave clamp (7) is inwardly recessed to form eight steel wire fixing grooves (71).

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