Cutting device for high-strength steel bar machining

Abstract

The utility model relates to the technical field of reinforcing steel bar shearing processing, and discloses a cutting device for high-strength reinforcing steel bar processing, which comprises a processing table, four corners of the bottom of the processing table are fixedly connected with supporting legs, the upper surface of the processing table is connected with a reinforcing steel bar limiting piece, and one side of the reinforcing steel bar limiting piece is provided with a cutting assembly. Steel bar pressing plates are arranged on the sides, away from each other, of the steel bar limiting piece and the cutting assembly, and a downward pressing assembly is connected between the two steel bar pressing plates. According to the cutting device for machining the high-strength steel bars, the two steel bar pressing plates are used for pressing and fixing the steel bars on the machining table at the front and back positions of the steel bar cutting position, so that the situation that the steel bars at the two cut ends do not tilt in the steel bar cutting and breaking process is ensured, and the situation that the steel bars tilt to damage machining personnel can be avoided; and the stability of the high-strength steel bar cutting process and the stability of cutting machining are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a reinforcing steel bar shearing processing technical field, specifically is a kind of cutting device for high-strength reinforcing steel bar processing. BACKGROUND

[0002] With the continuous progress of building technology, the performance requirements of reinforcing steel are increasingly improved, especially for key structural components bearing major loads, using high-strength reinforcing steel has become an effective way to enhance the safety and stability of buildings. To meet the actual building needs, high-strength reinforcing steel needs to be accurately cut before use. In this process, hydraulic reinforcing steel shears play an important role. It relies on an efficient hydraulic system to provide powerful shearing force, which can smoothly cut high-strength reinforcing steel, thereby accurately adapting to the specification requirements of various engineering designs.

[0003] The patent with the current announcement number CN222307191U discloses a reinforcing steel bar cutting device, which includes a base plate; a feeding device is installed on the base plate; an action cavity is formed in the inside of the action box; a clamping groove is formed on the outer arc surface of the first rubber roller at equal intervals; a motor is installed on the end of the rotating shaft that extends outside; a hydraulic cylinder is installed on the top end face of the action box; a lifting frame is fixedly connected to the top of the telescopic rod; a clamping groove is formed on the outer arc surface of the second rubber roller at equal intervals; a positioning device is installed on the base plate; an action plate is fixedly connected to the top of the sliding block and the connecting block; a telescopic cavity is formed on the side of the action plate close to the small motor; a push plate is fixedly connected to the end of the spring; through the joint action of the feeding device and the positioning device, automatic feeding of the cutting structure is realized, ensuring that the cutting structure can function smoothly and achieving the effect of quickly measuring and positioning the length of the reinforcing steel to be cut.

[0004] However, the reinforcing steel bar cutting device in the above-mentioned technology still has the following problems: although the feeding device can quickly measure and position the length of the reinforcing steel to be cut, when cutting high-strength reinforcing steel, the shearing force exerted by the cutter not only causes the reinforcing steel cut part to gradually sink, but also produces a reverse extrusion force on the reinforcing steel on both sides of the cut, causing the reinforcing steel at both ends of the cut to bend upwards. This phenomenon not only affects the stability of the shearing operation, but also brings safety hazards in the processing process. UTILITY MODEL CONTENTS

[0005] In view of the shortcomings of the prior art, the utility model provides a cutting device for high-strength reinforcing steel processing, which improves the stability and safety of reinforcing steel shearing operation.

[0006] To achieve the above object, the utility model provides the following technical scheme: A kind of cutting device for high-strength steel bar processing, including processing table, support leg is fixedly connected in the bottom four corners of processing table, the upper surface of processing table is connected with steel bar limiting piece, the side of steel bar limiting piece is equipped with cutting assembly, the side of steel bar limiting piece and cutting assembly mutually away is equipped with steel bar pressing plate, and the lower pressing assembly is connected between the two steel bar pressing plates.

[0007] Further, the steel bar limiting piece includes a limiting plate, the limiting plate is fixedly connected with the upper surface of the processing table, and a plurality of limiting holes are formed through the side wall of the limiting plate near one end of the processing table.

[0008] Further, the cutting assembly includes a U-shaped bracket and a cutting knife, both ends of the U-shaped bracket are fixedly connected with both ends of the upper surface of the processing table, a cutting hydraulic cylinder is fixedly connected with the side of the U-shaped bracket near the processing table, and the telescopic end of the cutting hydraulic cylinder is connected with the cutting knife.

[0009] Further, the cutting hydraulic cylinder is provided with two, and the two cutting hydraulic cylinders are located at both ends of the cutting knife.

[0010] Further, the telescopic end of the cutting hydraulic cylinder is fixedly connected with a U-shaped mounting bracket, the side away from the cutting edge of the cutting knife is fixedly connected with a mounting strip, the mounting strip is slidingly connected with the inner wall of the U-shaped mounting bracket, a plurality of insertion holes are formed through the side of the U-shaped mounting bracket, a plurality of mounting holes matched with the insertion holes are formed through the side wall of the mounting strip, and a plurality of latches are inserted into the adjacent insertion holes and the mounting holes.

[0011] Further, the lower pressing assembly includes a lower pressing hydraulic cylinder and a linkage plate, the lower pressing hydraulic cylinder is fixedly connected with the bottom of the processing table, the output end of the lower pressing hydraulic cylinder is fixedly connected with the linkage plate, the four corners of the side of the linkage plate near the processing table are fixedly connected with connecting rods, the other ends of the four connecting rods are upwardly penetrated through the processing table, and the ends of the four connecting rods penetrated above the processing table are fixedly connected with both ends of the two steel bar pressing plates, respectively.

[0012] Further, the lower pressing hydraulic cylinder is provided with two, and the two lower pressing hydraulic cylinders are located at both ends of the linkage plate.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The cutting device for high-strength steel bar processing can ensure that the steel bars at both ends of the cutting device will not be raised during the cutting and breaking process, thereby avoiding the damage to the processing personnel caused by the raising of the steel bars and improving the stability of the high-strength steel bar cutting process and the stability of the cutting process. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall appearance and connection structure of this utility model;

[0016] Figure 2 This utility model illustrates the connection structure between the rebar limiting component, the cutting assembly, and the processing table.

[0017] Figure 3 This is a schematic diagram of the connection structure of the pressure component of this utility model;

[0018] Figure 4 This is an exploded view of the connection structure of the cutting component of this utility model.

[0019] In the diagram: 1. Processing table; 2. Support leg; 3. Rebar limiting component; 4. Cutting assembly; 5. Rebar pressure plate; 6. Pressing assembly; 31. Limiting plate; 41. U-shaped bracket; 42. Cutting blade; 43. Cutting hydraulic cylinder; 44. U-shaped mounting bracket; 45. Mounting strip; 46. Pin; 61. Pressing hydraulic cylinder; 62. Linkage plate; 63. Connecting rod; 301. Limiting hole; 401. Insertion hole; 402. Mounting hole. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Please see Figures 1 to 4 A high-strength steel bar processing cutting device includes a processing table 1, with support legs 2 fixedly connected to the four corners of the bottom of the processing table 1, a steel bar limiting member 3 connected to the upper surface of the processing table 1, a cutting component 4 provided on one side of the steel bar limiting member 3, and steel bar pressure plates 5 provided on the sides of the steel bar limiting member 3 and the cutting component 4 that are far apart from each other, and a pressing component 6 connected between the two steel bar pressure plates 5.

[0022] like Figures 1 to 4 As shown, the high-strength steel bar cutting device of this utility model is structurally similar to existing steel bar cutting devices, such as the steel bar cutting equipment disclosed in patent publication number CN222307191U. The main improvement of this utility model lies in improving the stability and safety of steel bar cutting. Figures 1 to 4As shown, the high-strength steel bar processing and cutting device in the utility model is used to place the high-strength steel bar to be cut on the processing table 1, and the steel bar is preliminarily limited through the steel bar limiting piece 3, then the two sections before and after the steel bar cutting position are fixed by the two steel bar pressing plates 5 arranged outside the cutting assembly 4 and the steel bar limiting piece 3, then the steel bar is cut through the cutting assembly 4, when cutting, the steel bar cutting position is subjected to downward cutting force, at the same time, the steel bars at both ends of the cutting position will inevitably form upward reaction force, at this time, the two steel bar pressing plates 5 can prevent the two sections of the steel bar from being raised upward, so that the steel bar cutting operation is more stable and is not easy to shake, and meanwhile, the raised steel bar can be prevented from hurting the processing personnel, thereby improving the use safety of the cutting device.

[0023] As shown in Figure 1 and Figure 2 shown, the steel bar limiting piece 3 comprises a limiting plate 31, the limiting plate 31 is fixedly connected with the upper surface of the processing table 1, a plurality of limiting holes 301 are arranged through the side wall close to one end of the processing table 1, and the plurality of limiting holes 301 are equidistantly distributed. The steel bar can pass through any limiting hole 301 of the limiting plate 31, and the position to be cut can be moved below the cutting assembly 4. The plurality of limiting holes 301 can realize synchronous cutting of multiple steel bars in a single cutting operation, thereby improving the steel bar cutting efficiency. It should be particularly noted that the limiting holes 301 can be arranged in various shapes such as rectangles and circles. The circular holes can make the limited steel bar be at the middle position of the bottom of the limiting hole 301, thereby further improving the limiting effect on the steel bar.

[0024] As shown in Figures 1 to 4 shown, the cutting assembly 4 comprises a U-shaped support 41 and a cutting knife 42, both ends of the U-shaped support 41 are fixedly connected with both ends of the upper surface of the processing table 1, a cutting hydraulic cylinder 43 is fixedly connected with the side close to the processing table 1 of the U-shaped support 41, and the extension end of the cutting hydraulic cylinder 43 is connected with the cutting knife 42. The cutting hydraulic cylinder 43 can lift or press down the cutting knife 42 in the U-shaped support 41, so as to cyclically cut the steel bar below. It should be particularly noted that the side close to the limiting plate 31 of the cutting knife 42 can slide up and down on the side of the limiting plate 31. In this way, the cutting knife 42 can be supported by the limiting plate 31 on the side during the cutting process, thereby reducing the possibility of tilting of the cutting knife 42.

[0025] As shown in Figures 1 to 4 shown, the cutting hydraulic cylinder 43 is provided with two, and the two cutting hydraulic cylinders 43 are located at both ends of the cutting knife 42. The two cutting hydraulic cylinders 43 are arranged at both ends of the cutting knife 42, can form more uniform downward cutting force on both ends of the cutting knife 42 through synchronous work of the two cutting hydraulic cylinders 43, and can make the cutting knife 42 more stable when cutting the steel bars in the plurality of limiting holes 301 below.

[0026] As Figures 1 to 4 shown, the telescopic end of the cutting hydraulic cylinder 43 is fixedly connected with a U-shaped mounting bracket 44, the side of the cutting knife 42 away from the cutting edge is fixedly connected with a mounting strip 45, the mounting strip 45 is slidingly connected with the inner wall of the U-shaped mounting bracket 44, a plurality of insertion holes 401 are formed through one side of the U-shaped mounting bracket 44, a mounting hole 402 matched with the plurality of insertion holes 401 is formed through the side wall of the mounting strip 45, and a latch 46 is inserted into the adjacent insertion hole 401 and the mounting hole 402. When the cutting knife 42 is blocked, the cutting edge is damaged or the like, the latch 46 can be pulled out, then the cutting knife 42 together with the mounting strip 45 is pulled out downward from the U-shaped mounting bracket 44, then a new cutting knife 42 and the mounting strip 45 are replaced, the new cutting knife 42 is inserted into the U-shaped mounting bracket 44 through the mounting strip 45, the latch 46 is inserted into the insertion hole 401 on the side of the U-shaped mounting bracket 44 and passes through the mounting hole 402 of the mounting strip 45 and is inserted into the insertion hole 401 on the other side of the U-shaped mounting bracket 44, so that the mounting strip 45 is fixed in the U-shaped mounting bracket 44, and the replacement of the cutting knife 42 is completed.

[0027] As Figures 1 to 4 shown, the pressing assembly 6 comprises a pressing hydraulic cylinder 61 and a linkage plate 62, the pressing hydraulic cylinder 61 is fixedly connected with the bottom of the machining table 1, the output end of the pressing hydraulic cylinder 61 is fixedly connected with the linkage plate 62, the four corners of the side of the linkage plate 62 close to the machining table 1 are fixedly connected with connecting rods 63, the other ends of the four connecting rods 63 are upwardly penetrated through the machining table 1, and the ends of the four connecting rods 63 penetrated through the machining table 1 are fixedly connected with the two ends of the two steel bar pressing plates 5. Through the pressing hydraulic cylinder 61, the linkage plate 62 is driven to move downward at the bottom of the machining table 1, and through the four connecting rods 63, the two steel bar pressing plates 5 above the machining table 1 are driven to move downward and gradually close to the upper surface of the machining table 1, so that the steel bar placed on the machining table 1 is pressed and fixed on the machining table 1, and the fixation of the two ends of the steel bar to be cut is completed.

[0028] As Figures 1 to 4 Figures 1 to 4 shown, the pressing hydraulic cylinder 61 is provided with two, and the two pressing hydraulic cylinders 61 are respectively located at the two ends of the linkage plate 62. By arranging two pressing hydraulic cylinders 61 working synchronously, uniform pressing force can be formed on the two ends of the linkage plate 62, so that the two ends of the steel bar pressing plate 5 can be synchronously pressed, and more uniform pressing force can be formed on the steel bar, and the front and rear steel bar pressing plates 5 can be synchronously pressed and fixed on the steel bar.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model.

Claims

1. A cutting device for processing high-strength steel bars, comprising a processing table (1), characterized in that: The processing table (1) is fixedly connected to four corners of the bottom with support legs (2). The upper surface of the processing table (1) is connected to a steel bar limiting member (3). A cutting component (4) is provided on one side of the steel bar limiting member (3). Steel bar pressure plates (5) are provided on the sides of the steel bar limiting member (3) and the cutting component (4) that are far apart from each other. A pressing component (6) is connected between the two steel bar pressure plates (5).

2. The cutting device for processing high-strength steel bars according to claim 1, characterized in that: The steel bar limiting component (3) includes a limiting plate (31), which is fixedly connected to the upper surface of the processing table (1). The side wall of the limiting plate (31) near the processing table (1) is provided with several limiting holes (301), which are distributed at equal intervals.

3. A cutting device for processing high-strength steel bars according to claim 1 or 2, characterized in that: The cutting assembly (4) includes a U-shaped bracket (41) and a cutting blade (42). The two ends of the U-shaped bracket (41) are fixedly connected to the two ends of the upper surface of the processing table (1). A cutting hydraulic cylinder (43) is fixedly connected to the side of the U-shaped bracket (41) near the processing table (1). The telescopic end of the cutting hydraulic cylinder (43) is connected to the cutting blade (42).

4. The cutting device for processing high-strength steel bars according to claim 3, characterized in that: Two cutting hydraulic cylinders (43) are provided, and the two cutting hydraulic cylinders (43) are located at both ends of the cutting blade (42).

5. A cutting device for processing high-strength steel bars according to claim 3, characterized in that: The telescopic end of the cutting hydraulic cylinder (43) is fixedly connected to a U-shaped mounting bracket (44). The side of the cutting blade (42) away from the blade edge is fixedly connected to a mounting strip (45). The mounting strip (45) is slidably connected to the inner wall of the U-shaped mounting bracket (44). A plurality of insertion holes (401) are opened through one side of the U-shaped mounting bracket (44). The side wall of the mounting strip (45) is opened through a mounting hole (402) that matches the plurality of insertion holes (401). A pin (46) is inserted into the adjacent insertion hole (401) and mounting hole (402).

6. A cutting device for processing high-strength steel bars according to claim 1, 2, 4 or 5, characterized in that: The pressing assembly (6) includes a pressing hydraulic cylinder (61) and a linkage plate (62). The pressing hydraulic cylinder (61) is fixedly connected to the bottom of the processing table (1). The output end of the pressing hydraulic cylinder (61) is fixedly connected to the linkage plate (62). Connecting rods (63) are fixedly connected to the four corners of the linkage plate (62) near the processing table (1). The other ends of the four connecting rods (63) all penetrate upward through the processing table (1), and the ends of the four connecting rods (63) that penetrate to the top of the processing table (1) are fixedly connected to the two ends of the two steel bar pressure plates (5).

7. A cutting device for processing high-strength steel bars according to claim 6, characterized in that: Two hydraulic cylinders (61) are provided, and the two hydraulic cylinders (61) are located at both ends of the linkage plate (62).

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