Straightening and cutting device for threaded steel disc

Abstract

The utility model belongs to the technical field of reinforcing bar straightening and cutting, and discloses a threaded steel straightening and cutting device, which comprises a cabinet, straightening wheel sets, a traction feeding assembly and a cutting assembly are sequentially arranged on the cabinet from front to back, a scrap cleaning assembly is arranged on the cabinet at a position corresponding to the straightening wheel sets, the traction feeding assembly is connected with a self-adaptive buffer assembly, the scrap cleaning assembly cooperates with a cleaning brush and an air pump, the air flow is used to clean the scrap on the surface of the straightening wheel sets in time, the reinforcing bar is prevented from being scratched, the friction heat is taken away at the same time, the temperature of the straightening wheel is reduced, the performance of the material is prevented from being reduced and the lubrication is prevented from being ineffective, the equipment failure is reduced, the production efficiency is improved, the self-adaptive buffer assembly is assisted by a spring and a guide structure, the pressure of the pressure wheel can be automatically adjusted according to the condition of the reinforcing bar, the slipping and overpressure are avoided, the feeding accuracy is improved, the impact can be buffered, the overload risk of the equipment is reduced, and the straightening and cutting operation is stably and continuously ensured.

Description

Technical Field

[0001] This utility model belongs to the field of steel bar straightening and cutting technology, specifically a straightening and cutting device for threaded steel coils. Background Technology

[0002] In the construction and machinery manufacturing industries, rebar and coiled rebar are important basic materials. Their processing quality has a critical impact on the safety of engineering structures and the performance of equipment. As the core equipment for rebar processing, the technical level of rebar straightening and cutting devices directly determines the precision and production efficiency of finished rebar products.

[0003] Chinese Patent Application No. 202421760602.2 discloses a rebar straightening and cutting machine, including a base, an mounting plate fixedly connected to the base, several straightening rollers rotatably connected to the mounting plate, a through hole on the base, a fixed cutter fixedly connected to the mounting plate, a movable cutter slidably connected to the mounting plate, a cylinder fixedly connected to the mounting plate, and a piston rod of the cylinder fixedly connected to the movable cutter. The base is provided with a material receiving structure, mainly composed of a material receiving frame fixedly connected to the base, an arc-shaped plate fixedly connected to the base, a support plate slidably connected to the material receiving frame, and an arc-shaped groove on the support plate. Two first connecting rods are rotatably connected to the inner walls of both sides of the material receiving frame. This design solves the problem that rebars are easily damaged during collection due to large drop differences when falling.

[0004] However, the above-mentioned rebar straightening and cutting machine has many shortcomings in practical applications: On the one hand, during the rebar straightening process, the debris (such as oxide scale, rust and metal particles) generated by the friction between the straightening roller and the rebar is easily adhered to the surface of the straightening roller. This not only scratches the surface of the rebar, leading to a decrease in its surface quality and stress concentration, but also increases the straightening resistance, accelerates the wear of the straightening roller, and even causes equipment failure and shutdown, significantly reducing production efficiency and increasing maintenance costs. However, existing devices mostly lack efficient debris cleaning methods, making it difficult to meet the needs of continuous and stable production. On the other hand, in the rebar traction and feeding stage, due to factors such as rebar diameter deviation and material inhomogeneity, traditional traction and feeding components are difficult to achieve stable pressure adjustment, which easily leads to slippage, overpressure deformation and other problems, affecting feeding accuracy and rebar quality. At the same time, the lack of a buffer mechanism makes it easy for the equipment to overload the transmission components when dealing with sudden changes in rebar diameter or fluctuations in feeding resistance, shortening the service life of the equipment.

[0005] Therefore, a straightening and cutting device for rebar coils is proposed to address the above problems. Utility Model Content

[0006] To address the problems mentioned in the background section, this utility model provides a rebar straightening and cutting device, which has the advantages of timely debris removal, high feeding accuracy, strong equipment stability, long service life, and excellent processing quality.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a rebar and coiled rebar straightening and cutting device, comprising a cabinet, wherein a straightening wheel set, a traction feeding assembly, and a cutting assembly are arranged sequentially from front to back on the cabinet, and a debris cleaning assembly is arranged on the cabinet at a position corresponding to the straightening wheel set, and the traction feeding assembly is connected to an adaptive buffer assembly.

[0008] The traction feeding assembly includes a pressure roller and a drive roller arranged correspondingly at the top and bottom. A first pulley is fixedly connected to one side of the drive roller via a rotating rod. A second pulley is connected to the first pulley via a belt. A drive motor is connected to one side of the second pulley via a motor shaft.

[0009] The debris cleaning assembly includes cleaning brushes located above and below the straightening wheel assembly. A plurality of exhaust pipes are provided on one side of the straightening wheel assembly, with an air outlet installed on the side of the exhaust pipes near the straightening wheel assembly. An air guide pipe is connected to the end of the exhaust pipe, and an air pump is connected to the end of the air guide pipe.

[0010] The adaptive buffer assembly includes a U-shaped frame connecting the pressure roller, a guide rod fixedly connected to the top of the U-shaped frame, the top end of the guide rod penetrating through a first bracket, a cabinet fixedly connected to the bottom of the first bracket, a spring sleeved on the guide rod, the spring being located between the first bracket and the U-shaped frame, positioning rods being provided on both sides of the guide rod, the bottom end of the positioning rod being fixedly connected to the U-shaped frame, and the top end of the positioning rod penetrating through the first bracket.

[0011] Preferably, the cabinet has a door on the front side, a handle on the door, and support feet at the four corners of the bottom of the cabinet.

[0012] Preferably, a stand is provided on the front side of the straightening wheel assembly, the bottom of the stand is fixedly connected to the cabinet, and a guide through hole is provided on the stand.

[0013] Preferably, the straightening wheel assembly consists of multiple straightening wheels arranged vertically and vertically.

[0014] Preferably, the cutting assembly includes a blade holder located on the top of the cabinet, a cutting blade located above the blade holder, a hydraulic cylinder connected to the top of the cutting blade, and a second bracket located on the cabinet corresponding to the hydraulic cylinder, with the hydraulic cylinder mounted on the second bracket.

[0015] Preferably, a guide hole is provided on the first bracket at a position corresponding to the guide rod, and the guide rod is disposed in the guide hole; a positioning hole is provided on the first bracket at a position corresponding to the positioning rod, and the positioning rod is disposed in the positioning hole.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] 1. The debris cleaning component of this utility model works in conjunction with a cleaning brush and an air pump. The airflow generated by the air pump is blown towards the straightening wheel assembly through the exhaust pipe and air outlet. This not only removes oxide scale, rust and other debris from the surface of the straightening wheel assembly in a timely manner, preventing debris from scratching the surface of the reinforcing bars and ensuring the quality of the reinforcing bar processing, but also removes the heat generated by the friction between the straightening wheel and the reinforcing bar, effectively reducing the working temperature of the straightening wheel and preventing the material performance degradation and lubrication failure caused by high temperature. In addition, this component can also prevent debris accumulation from increasing straightening resistance and aggravating the wear of the straightening wheel, reducing the number of equipment downtimes, improving production efficiency and reducing maintenance costs.

[0018] 2. The adaptive buffer assembly of this utility model utilizes springs and a guide structure to enable the pressure roller of the traction feeding assembly to automatically adjust the pressure according to the deviation of the rebar diameter and the unevenness of the material, effectively preventing the rebar from slipping or being deformed by overpressure, improving the feeding accuracy. At the same time, when the rebar diameter changes abruptly or the feeding resistance fluctuates, the impact on the transmission components is reduced by the spring buffer, reducing the risk of equipment overload, extending the service life of the equipment, and ensuring the stability and continuity of the straightening and cutting operation. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the traction feeding assembly of this utility model;

[0021] Figure 3 This is a schematic diagram of the adaptive buffer component of this utility model;

[0022] Figure 4 This is a schematic diagram of the cutting assembly of this utility model;

[0023] Figure 5 This is a schematic diagram of the debris cleaning component of this utility model.

[0024] In the diagram: 1. Server rack;

[0025] 2. Straight wheel assembly; 21. Straight wheel assembly;

[0026] 3. Traction feeding assembly; 31. Pressure roller; 32. Drive wheel; 33. First pulley; 34. Belt; 35. Second pulley; 36. Drive motor;

[0027] 4. Cutting assembly; 41. Tool holder; 42. Cutting blade; 43. Hydraulic cylinder; 44. Second support;

[0028] 5. Debris cleaning assembly; 51. Cleaning brush; 52. Exhaust duct; 53. Air outlet; 54. Air guide duct; 55. Air pump;

[0029] 6. Adaptive buffer assembly; 61. U-shaped frame; 62. Guide rod; 63. First bracket; 64. Spring; 65. Positioning rod; 66. Guide hole; 67. Positioning hole;

[0030] 7. Cabinet door; 8. Stand; 9. Guide hole. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] like Figures 1 to 5 As shown, this utility model provides a straightening and cutting device for rebar coils, including a cabinet 1. The cabinet 1 is provided with a straightening wheel group 2, a traction feeding component 3, and a cutting component 4 arranged sequentially from front to back. A debris cleaning component 5 is provided on the cabinet 1 at a position corresponding to the straightening wheel group 2. The traction feeding component 3 is connected to an adaptive buffer component 6.

[0033] The traction feeding assembly 3 includes a pressure roller 31 and a drive roller 32 arranged correspondingly at the top and bottom. A first pulley 33 is fixedly connected to one side of the drive roller 32 through a rotating rod. A second pulley 35 is connected to the first pulley 33 through a belt 34. A drive motor 36 is connected to one side of the second pulley 35 through a motor shaft.

[0034] The debris cleaning component 5 includes cleaning brushes 51 positioned above and below the straightening wheel assembly 2. Multiple exhaust pipes 52 are equidistantly arranged on one side of the straightening wheel assembly 2. An air outlet 53 is installed on the side of the exhaust pipes 52 closest to the straightening wheel assembly 2. An air guide pipe 54 is connected to the end of the exhaust pipe 52, and an air pump 55 is connected to the end of the air guide pipe 54. This component not only promptly removes oxide scale, rust, and other debris from the surface of the straightening wheel assembly 2, preventing debris from scratching the surface of the reinforcing bars and ensuring the quality of the reinforcing bar processing, but also allows the airflow to carry away the heat generated by the friction between the straightening wheel 21 and the reinforcing bars, effectively reducing the working temperature of the straightening wheel and preventing material performance degradation and lubrication failure due to high temperatures.

[0035] The adaptive buffer assembly 6 includes a U-shaped frame 61 connecting the pressure roller 31. A guide rod 62 is fixedly connected to the top of the U-shaped frame 61. The top of the guide rod 62 passes through the first bracket 63. The bottom of the first bracket 63 is fixedly connected to the cabinet 1. A spring 64 is sleeved on the guide rod 62. The spring 64 is located between the first bracket 63 and the U-shaped frame 61. Positioning rods 65 are provided on both sides of the guide rod 62. The bottom of the positioning rod 65 is fixedly connected to the U-shaped frame 61. The top of the positioning rod 65 passes through the first bracket 63. This allows the pressure roller 31 of the traction feeding assembly 3 to automatically adjust the pressure according to the diameter deviation and material unevenness of the reinforcing bar, effectively preventing the reinforcing bar from slipping or being deformed by overpressure, and improving the feeding accuracy.

[0036] Specifically, cabinet 1 has a door 7 on the front side, with a handle on the door 7, and support feet at the four corners of the bottom of cabinet 1.

[0037] Furthermore, a stand 8 is provided on the front side of the straightening wheel set 2. The bottom of the stand 8 is fixedly connected to the cabinet 1. A guide hole 9 is provided on the stand 8. Before the steel bar enters the straightening wheel set 2, the guide hole 9 can constrain the axis of the steel bar to prevent it from shifting or shaking during feeding, and ensure that the steel bar enters the straightening wheel set 2 in the correct posture.

[0038] Furthermore, the straightening wheel assembly 2 consists of multiple straightening wheels 21 arranged vertically and vertically.

[0039] It is worth noting that the cutting assembly 4 includes a knife holder 41 located at the top of the cabinet 1, a cutting knife 42 located above the knife holder 41, a hydraulic cylinder 43 connected to the top of the cutting knife 42, and a second bracket 44 located on the cabinet 1 at a position corresponding to the hydraulic cylinder 43, with the hydraulic cylinder 43 mounted on the second bracket 44.

[0040] It is worth noting that a guide hole 66 is provided on the first bracket 63 at the position corresponding to the guide rod 62, and the guide rod 62 is located in the guide hole 66. A positioning hole 67 is provided on the first bracket 63 at the position corresponding to the positioning rod 65, and the positioning rod 65 is located in the positioning hole 67.

[0041] Among them, the drive motor 36, hydraulic cylinder 43, and air pump 55 are existing technologies and will not be described in detail; at the same time, this utility model also includes a power supply, controller, and switch, which are not the main technical points of this patent and will not be described in detail.

[0042] Working principle and process: After the steel bar is drawn out from the coil, it passes through the guide hole 9 of the stand 8 and is precisely guided into the straightening wheel group 2, which consists of multiple straightening wheels 21 arranged vertically. The straightening wheels 21 apply extrusion pressure to the steel bar to eliminate bending defects. At the same time, the cleaning brush 51 and the air pump 55 work together. The cleaning brush cleans the debris on the surface of the straightening wheels, and the air flow generated by the air pump blows away debris and carries away frictional heat through the exhaust pipe 52 and the air outlet 53. The straightened steel bar enters the traction feeding assembly 3, which consists of the pressure wheel 31 and the drive wheel 32. The drive motor 36 drives the drive wheel 32 to rotate through the belt 34 to provide traction force. The spring 64 of the adaptive buffer assembly 6 automatically adjusts the pressure of the pressure wheel 31 according to the fluctuation of the steel bar diameter to ensure stable feeding. When the steel bar advances to above the cutter holder 41, the control system issues a command, and the hydraulic cylinder 43 drives the cutting knife 42 to move downward to quickly complete the fixed length cutting. Throughout the process, the speed of the straightening wheel group 2 is synchronized with the linear speed of the traction feeding assembly 3, ensuring the high efficiency and precision of steel bar processing.

[0043] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0044] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rebar straightening and cutting device, comprising a cabinet (1), characterized in that: The cabinet (1) is provided with a straightening wheel group (2), a traction feeding assembly (3), and a cutting assembly (4) in sequence from front to back. A debris cleaning assembly (5) is provided on the cabinet (1) at the position corresponding to the straightening wheel group (2). The traction feeding assembly (3) is connected to an adaptive buffer assembly (6). The traction feeding assembly (3) includes a pressure roller (31) and a drive roller (32) arranged correspondingly on the upper and lower sides. A first pulley (33) is fixedly connected to one side of the drive roller (32) through a rotating rod. The first pulley (33) is connected to a second pulley (35) through a belt (34). A drive motor (36) is connected to one side of the second pulley (35) through a motor shaft. The debris cleaning assembly (5) includes cleaning brushes (51) located above and below the straightening wheel assembly (2). A plurality of exhaust pipes (52) are provided on one side of the straightening wheel assembly (2) and are arranged at equal intervals. An air outlet (53) is installed on the side of the exhaust pipe (52) near the straightening wheel assembly (2). An air guide pipe (54) is connected to the end of the exhaust pipe (52), and an air pump (55) is connected to the end of the air guide pipe (54). The adaptive buffer assembly (6) includes a U-shaped frame (61) connecting the pressure roller (31). A guide rod (62) is fixedly connected to the top of the U-shaped frame (61). The top end of the guide rod (62) passes through the first bracket (63). The bottom of the first bracket (63) is fixedly connected to the cabinet (1). A spring (64) is sleeved on the guide rod (62). The spring (64) is located between the first bracket (63) and the U-shaped frame (61). Positioning rods (65) are provided on both sides of the guide rod (62). The bottom end of the positioning rod (65) is fixedly connected to the U-shaped frame (61). The top end of the positioning rod (65) passes through the first bracket (63).

2. The rebar straightening and cutting device according to claim 1, characterized in that: The cabinet (1) is provided with a cabinet door (7) on the front side, and a handle is provided on the cabinet door (7). Support feet are provided at the four corners of the bottom of the cabinet (1).

3. The rebar straightening and cutting device according to claim 1, characterized in that: The straightening wheel assembly (2) is provided with a stand (8) on the front side, and the bottom of the stand (8) is fixedly connected to the cabinet (1). The stand (8) is provided with a guide through hole (9).

4. The rebar straightening and cutting device according to claim 1, characterized in that: The straightening wheel assembly (2) consists of multiple straightening wheels (21) arranged vertically and vertically.

5. The rebar straightening and cutting device according to claim 1, characterized in that: The cutting assembly (4) includes a knife holder (41) located on the top of the cabinet (1), a cutting knife (42) is provided above the knife holder (41), a hydraulic cylinder (43) is connected to the top of the cutting knife (42), a second bracket (44) is provided on the cabinet (1) at a position corresponding to the hydraulic cylinder (43), and the hydraulic cylinder (43) is mounted on the second bracket (44).

6. The rebar straightening and cutting device according to claim 1, characterized in that: A guide hole (66) is provided on the first bracket (63) at a position corresponding to the guide rod (62), and the guide rod (62) is located in the guide hole (66). A positioning hole (67) is provided on the first bracket (63) at a position corresponding to the positioning rod (65), and the positioning rod (65) is located in the positioning hole (67).

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