Straightening device for heat treatment of prestressed steel bar

Abstract

The utility model discloses a straightening device for heat treatment processing of prestressed steel bars, which comprises a supporting seat, a groove is arranged at the top end of the supporting seat, a top plate is arranged at the top end of the groove, two hydraulic rods are fixedly mounted on the top plate, a lifting seat is fixedly mounted at the bottom ends of the two hydraulic rods, and the lifting seat is fixedly mounted on the top plate. Mounting grooves are formed in the front side wall of the supporting base and the front side wall of the lifting base correspondingly, mounting bases are arranged in the mounting grooves, rotating rods are fixedly mounted on the mounting bases, and straightening wheels are rotationally mounted on the rotating rods. Through cooperation of the first limiting rod, the first pulling plate, the first tension spring, the first inserting groove, the locking frame, the second limiting rod, the second tension spring and other parts, mounting bases on the supporting base and the lifting base can be conveniently disassembled and assembled, rapid replacement of the straightening wheel is achieved, operation is easy and convenient, the replacement convenience of the straightening wheel is improved, and the production efficiency is improved. And corresponding straightening wheels can be conveniently and quickly replaced when steel bars with different diameters are straightened.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar straightening processing, in particular to a straightening device for heat treatment processing of prestressed steel bars. Background Art

[0002] Prestressed concrete steel bar, referred to as PC steel bar, is a kind of prestressed steel with high technical content. Due to its high strength and toughness, low relaxation, strong bond with concrete, good weldability, upsetting properties, and material saving, it has been widely used in high-strength prestressed concrete centrifugal pipe piles, electric poles, viaduct piers, railway sleepers and other prestressed components abroad, and has a very broad market in the international market, especially in Asia.

[0003] The existing straightening device uses the cooperation of upper and lower straightening wheels for straightening. A set of straightening wheels can only straighten steel bars of a specific diameter. When steel bars of different diameters need to be straightened, the corresponding straightening wheels need to be replaced. The replacement operation of the straightening wheels of the existing straightening device is cumbersome, laborious and inconvenient. In this regard, we propose a straightening device for heat treatment processing of prestressed steel bars to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to provide a straightening device for heat treatment of prestressed steel bars to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a straightening device for heat treatment of prestressed steel bars, comprising:

[0006] A support seat, the top of the support seat is provided with a groove, the top of the groove is provided with a top plate, the top plate is fixedly welded to the support seat, two hydraulic rods are fixedly installed on the top plate, and a lifting seat is fixedly installed on the bottom ends of the two hydraulic rods. The support seat and the front side wall of the lifting seat are provided with mounting grooves, a mounting seat is provided in the mounting groove, a rotating rod is fixedly installed on the mounting seat, and a straightening wheel is rotatably installed on the rotating rod. Through grooves are provided on both side walls of the mounting groove on the bottom side, and a first limiting rod is slidably connected in the through groove. Both ends of the mounting seat are provided with a first slot adapted to the first limiting rod, and both ends of the lifting seat are slidably connected with a locking frame.

[0007] Preferably, a first pulling plate is fixedly welded to the outer end of the first limiting rod, a first tension spring is sleeved on the first limiting rod, and two ends of the first tension spring are fixedly connected to the support seat and the first pulling plate respectively.

[0008] Preferably, the locking frame is slidably connected with a second limiting rod, the top end of the second limiting rod is fixedly welded with a second pull plate, a second tension spring is sleeved on the second limiting rod, and the two ends of the second tension spring are fixedly connected with the locking frame and the second pull plate respectively.

[0009] Preferably, a plurality of insertion grooves are formed in the rear inner walls of the two mounting grooves, and a plurality of reinforcing insertion rods are fixedly welded on the rear walls of the two mounting seats and matched with the insertion grooves.

[0010] Preferably, the two hydraulic rods are electrically connected with an external PLC controller through wires.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、The first limiting rod, the first pull plate, the first tension spring, the first insertion groove, the locking frame, the second limiting rod and the second tension spring are matched, the mounting seat on the supporting seat and the lifting seat is convenient to disassemble and assemble, the straightening wheel is quickly replaced, the operation is simple and convenient, the straightening wheel replacement convenience is improved, and the corresponding straightening wheel can be quickly replaced when straightening the steel bars with different diameters;

[0013] 2、The hydraulic rod is arranged, the lifting seat can be lifted in the groove to adjust the distance between the upper straightening wheel and the lower straightening wheel, and the distance adjustment is convenient after the straightening wheel is replaced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A three-dimensional structure schematic view of the straightening device for prestressed steel bar heat treatment processing is provided for the utility model;

[0015] Figure 2 A three-dimensional structure view of the supporting seat in the straightening device for prestressed steel bar heat treatment processing is provided for the utility model;

[0016] Figure 3 A three-dimensional structure view of the mounting seat in the straightening device for prestressed steel bar heat treatment processing is provided for the utility model;

[0017] Figure 4 A three-dimensional structure view of the lifting seat in the straightening device for prestressed steel bar heat treatment processing is provided for the utility model.

[0018] In the figure: 1, support seat; 2, groove; 3, top plate; 4, hydraulic rod; 5, lifting seat; 6, mounting groove; 7, mounting seat; 8, rotating rod; 9, straightening wheel; 10, through slot; 11, first limiting rod; 12, first pull plate; 13, first tension spring; 14, first insertion slot; 15, locking frame; 16, second limiting rod; 17, second pull plate; 18, second tension spring; 19, insertion slot; 20, reinforcing insertion rod. DETAILED DESCRIPTION

[0019] 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.

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a straightening device for prestressed steel bar heat treatment processing, comprising:

[0021] Support seat 1, the top of support seat 1 is provided with groove 2, the top of groove 2 is provided with top plate 3, top plate 3 is fixedly welded on support seat 1, two hydraulic rods 4 are fixedly installed on top plate 3, the bottom of two hydraulic rods 4 is fixedly installed with lifting seat 5, mounting groove 6 is formed in the front side wall of support seat 1 and lifting seat 5, mounting seat 7 is arranged in mounting groove 6, rotating rod 8 is fixedly installed on mounting seat 7, straightening wheel 9 is rotatably installed on rotating rod 8, through slot 10 is formed in the both side walls of the bottom of mounting groove 6, first limiting rod 11 is slidably connected in through slot 10, first insertion slot 14 that is matched with first limiting rod 11 is formed in the both ends of mounting seat 7, locking frame 15 is slidably connected in the both ends of lifting seat 5.

[0022] The outer end of first limiting rod 11 is fixedly welded with first pull plate 12, first tension spring 13 is sleeved on first limiting rod 11, the both ends of first tension spring 13 are fixedly connected with support seat 1 and first pull plate 12 respectively, the tension of first tension spring 13 arranged on first pull plate 12 can make first limiting rod 11 keep inserted in first insertion slot 14, so that bottom mounting seat 7 is fixedly positioned in bottom mounting groove 6.

[0023] The second limiting rod 16 is slidably connected to the locking frame 15, the top end of the second limiting rod 16 is fixedly welded with a second pull plate 17, a second tension spring 18 is sleeved on the second limiting rod 16, the two ends of the second tension spring 18 are fixedly connected with the locking frame 15 and the second pull plate 17 respectively, a second insertion slot matched with the second limiting rod 16 is formed in the top wall of the lifting seat 5, and the tension of the second tension spring 18 acts on the second pull plate 17, so that the second limiting rod 16 is inserted into the second insertion slot in the top wall of the lifting seat 5, and the locking frame 15 is limited and fixed after being locked to the top side mounting seat 7.

[0024] A plurality of insertion slots 19 are formed in the rear inner walls of the two mounting grooves 6, a plurality of reinforcing insertion rods 20 are fixedly welded on the rear walls of the two mounting seats 7, the reinforcing insertion rods 20 are matched with the insertion slots 19, and the insertion cooperation of the reinforcing insertion rods 20 and the insertion slots 19 facilitates the firmness of the connection between the mounting seat 7 and the mounting groove 6.

[0025] The two hydraulic rods 4 are electrically connected with the external PLC controller through wires.

[0026] Working principle: when the utility model is used, the hydraulic rod 4 can drive the lifting seat 5 to lift in the groove 2 to adjust the distance between the upper straightening wheel 9 and the lower straightening wheel 9, the distance is adjusted after the straightening wheel 9 is replaced, when the straightening wheel 9 is replaced, the first pull plate 12 is pulled first to drive the first limiting rod 11 to separate from the first insertion slot 14 of the bottom mounting seat 7, the bottom mounting seat 7 is removed, when the top mounting seat 7 is replaced, the second pull plate 17 is pulled first to make the second limiting rod 16 separate from the second insertion slot on the lifting seat 7, then the locking frame 15 is slid outward to make the locking frame 15 separate from the top mounting seat 7, the top mounting seat 7 is removed, then the above steps are operated reversely, and the two mounting seats 7 provided with the required straightening wheel 9 are installed in the two mounting grooves 6 in sequence, the straightening wheel 9 is replaced quickly, the operation is simple and convenient, and the replacement convenience of the straightening wheel 9 is improved.

[0027] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A straightening device for prestressed steel bar heat treatment processing, characterized in that: include: A support seat (1), wherein a groove (2) is provided at the top of the support seat (1), a top plate (3) is provided at the top of the groove (2), the top plate (3) is fixedly welded to the support seat (1), two hydraulic rods (4) are fixedly installed on the top plate (3), and a lifting seat (5) is fixedly installed at the bottom ends of the two hydraulic rods (4), the support seat (1) and the lifting seat (5) are both provided with a mounting groove (6) on the front side wall, a mounting seat (7) is provided in the mounting groove (6), a rotating rod (8) is fixedly installed on the mounting seat (7), and a straightening wheel (9) is rotatably installed on the rotating rod (8), a through groove (10) is provided on both side walls of the mounting groove (6) on the bottom side, a first limiting rod (11) is slidably connected in the through groove (10), a first slot (14) adapted to the first limiting rod (11) is provided at both ends of the mounting seat (7), and a locking frame (15) is slidably connected at both ends of the lifting seat (5).

2. A straightening device for heat treatment of prestressed steel bars according to claim 1, characterized in that: A first pull plate (12) is fixedly welded to the outer end of the first limiting rod (11), a first tension spring (13) is sleeved on the first limiting rod (11), and two ends of the first tension spring (13) are fixedly connected to the support seat (1) and the first pull plate (12), respectively.

3. The straightening device for heat treatment of prestressed steel bars according to claim 1, characterized in that: A second limiting rod (16) is slidably connected to the locking frame (15), a second pull plate (17) is fixedly welded to the top end of the second limiting rod (16), a second tension spring (18) is sleeved on the second limiting rod (16), and the two ends of the second tension spring (18) are respectively fixedly connected to the locking frame (15) and the second pull plate (17), and a second slot adapted to the second limiting rod (16) is opened on the top wall of the lifting seat (5).

4. The straightening device for heat treatment of prestressed steel bars according to claim 1, characterized in that: A plurality of plug-in slots (19) are provided on the rear inner walls of the two mounting slots (6), and a plurality of reinforcing rods (20) are fixedly welded on the rear side walls of the two mounting seats (7), wherein the reinforcing rods (20) are adapted to the plug-in slots (19).

5. The straightening device for heat treatment of prestressed steel bars according to claim 1, characterized in that: The two hydraulic rods (4) are electrically connected to an external PLC controller via electric wires.

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