Steel bar cutting device for building construction

Abstract

The utility model provides a reinforcing steel bar cutting device for building construction, which relates to the technical field of reinforcing steel bar cutting and comprises a cutting table, an automatic feeding mechanism is arranged above the cutting table and comprises supporting blocks, the lower ends of the two supporting blocks are symmetrically distributed and fixedly connected with the upper end of the cutting table, and the upper end of the cutting table is fixedly connected with the upper end of the cutting table. The opposite surfaces of the two supporting blocks are rotationally connected with driven rods distributed in a linear array mode through bearings, the driven rods are fixedly sleeved with guide wheels distributed in a linear array mode, the upper end of the cutting table is fixedly connected with a first support, and a servo electric cylinder of the automatic feeding mechanism drives a rubber driving wheel to press steel bars downwards through the automatic feeding mechanism. The long reinforcing steel bar is not required to be erected manually, the operation difficulty is obviously reduced, the pressure sensor monitors the clamping force in real time, downward pressing is automatically stopped when the pressure value reaches a set value, it is ensured that the reinforcing steel bar is stably clamped, the rubber driving wheel and the guide wheel rotate synchronously during feeding, and the effect of continuously conveying the reinforcing steel bar is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a steel bar cutting device for building construction belongs to steel bar cutting technical field. BACKGROUND

[0002] Building construction refers to the production activity of engineering construction implementation phase, is the building process of all kinds of buildings, also can be said that the various lines on the design drawing are changed into the process of material in the specified place, the material commonly used and indispensable in building construction is steel bar, but because the length of steel bar is longer, and in the actual use process, the steel bar needs to be cut, the existing steel bar needs manual measurement using tape when cutting, and then cutting, because measurement and marking are needed every time cutting, the cutting efficiency is low.

[0003] For example, a steel bar cutting device for building construction (publication number: CN220862597U) is disclosed in Chinese patent documents, this patent can conveniently position and place the steel bar that needs to be cut through the positioning table, and can conveniently control the exposed length of the bottom of the steel bar and automatically feed and discharge through the vertical placement mode combined with the adjusting oil cylinder, so that the cutting length can be flexibly controlled, and after one adjustment, subsequent measurement is not needed again, the positioning and measurement time can be saved.

[0004] However, in the actual cutting process, the operator needs to stand up the long steel bar and vertically insert it into the corresponding positioning hole, considering the characteristics of long length and large mass of the steel bar, the operation difficulty is large, and when manually pushing the cutting disc to cut the steel bar, the vibration during cutting will cause the steel bar to shake in the positioning hole, which not only easily causes uneven cutting, but also easily causes personal injury problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art, and the current operation difficulty is large when cutting the steel bar at a distance, which not only reduces the cutting quality, but also easily causes personal injury.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A steel bar cutting device for building construction, comprising a cutting table, an automatic feeding mechanism is arranged above the cutting table, and the automatic feeding mechanism comprises a supporting block, the lower ends of two supporting blocks are symmetrically distributed and fixedly connected with the upper end of the cutting table;

[0008] The opposite surfaces of the two support blocks are rotationally connected with driven rods in linear array through bearings, the outer part of the driven rods is sleeved with guide wheels in linear array, the upper end of the cutting table is fixedly connected with a first support, the upper end of the first support is fixedly installed with a servo electric cylinder, one end of the piston rod of the servo electric cylinder penetrates through the first support and is fixedly installed with a pressure sensor;

[0009] The upper end of the cutting table is provided with a cutting distance adjusting mechanism.

[0010] Preferably, the lower end of the pressure sensor is fixedly installed with a second support, the upper end of the second support is fixedly connected with guide rods in symmetrical distribution, one end of the guide rods penetrates through and extends above the upper end of the first support.

[0011] Preferably, one side of the second support is fixedly installed with a servo motor, the output shaft of the servo motor is fixedly installed with a rotating shaft through a shaft coupling, one end of the rotating shaft penetrates through the second support and is rotationally connected with the inner wall of one side of the second support through a bearing, the outer part of the rotating shaft is sleeved with rubber driving wheels in linear array.

[0012] Preferably, the cutting distance adjusting mechanism comprises a supporting block, the back of the supporting block is hingedly connected with a blanking plate through a hinge, the upper end of the blanking plate is fixedly connected with side plates in symmetrical distribution, and the back of the cutting table is provided with an avoiding groove.

[0013] Preferably, the inner bottom wall of the avoiding groove is hingedly connected with a first hydraulic cylinder through a support, one end of the piston rod of the first hydraulic cylinder is hingedly connected with the lower end of the blanking plate through a support, and the upper end of the cutting table is fixedly connected with guide rails in symmetrical distribution.

[0014] Preferably, the outer part of the guide rails is sleeved with lockable moving sleeves, one side of the lockable moving sleeves is fixedly connected with a pointer, and the upper end of the moving sleeves is fixedly connected with connecting rods.

[0015] Preferably, the upper end of the two connecting rods is fixedly connected with a baffle, the lower end of the baffle is in contact with the upper end of the blanking plate, and the two sides of the cutting table are fixedly connected with scale indicating strips in symmetrical distribution.

[0016] Preferably, the upper end of the cutting table is fixedly connected with a third support, the upper end of the third support is fixedly installed with a second hydraulic cylinder, and one end of the piston rod of the second hydraulic cylinder penetrates through the third support and is fixedly connected with a cutting knife.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] In this invention, an automatic feeding mechanism uses a servo electric cylinder to drive a rubber drive wheel to press down the reinforcing bar. Combined with the V-groove clamping of the guide wheel, long reinforcing bars can be clamped without manual lifting, significantly reducing the difficulty of operation. A pressure sensor monitors the clamping force in real time, and automatically stops pressing down when the pressure value reaches the set value, ensuring that the reinforcing bar is stably clamped. During feeding, the rubber drive wheel and the guide wheel rotate synchronously, achieving the effect of continuous conveying of reinforcing bars.

[0019] The cutting distance adjustment mechanism, through the cooperation of a lockable movable sleeve, pointer and scale indicator, enables rapid and precise adjustment of the baffle position. Operators only need to move and lock the baffle as needed to set the rebar cutting length. After one adjustment, there is no need for repeated measurement, which solves the problem of low efficiency of traditional manual tape measure measurement, improves cutting accuracy and efficiency. After cutting, the first hydraulic cylinder retracts and drives the unloading plate to tilt, and the rebar automatically slides down for unloading, reducing the frequency of manual contact with the cutting area and reducing the risk of personal injury caused by flying debris. Attached Figure Description

[0020] Figure 1 A schematic diagram of the main structure of a steel bar cutting device for building construction provided by this utility model;

[0021] Figure 2 An exploded view of the second support structure of a steel bar cutting device for building construction provided by this utility model;

[0022] Figure 3 Exploded view of the guide wheel structure of a steel bar cutting device for building construction provided by this utility model;

[0023] Figure 4 A three-dimensional view of the cutting plate structure of a steel bar cutting device for building construction provided by this utility model;

[0024] Figure 5 A three-dimensional view of a lockable movable sleeve structure for a steel bar cutting device used in building construction, provided by this utility model.

[0025] Legend: 1. Cutting table; 2. Support block; 21. Driven rod; 22. Guide wheel; 23. First bracket; 24. Servo electric cylinder; 25. Pressure sensor; 26. Second bracket; 27. Guide rod; 28. Servo motor; 29. ​​Rotating shaft; 210. Rubber drive wheel; 3. Support block; 31. Feed plate; 32. Side plate; 33. Clearance groove; 34. First hydraulic cylinder; 35. Guide rail; 36. Lockable movable sleeve; 37. Pointer; 38. Connecting rod; 39. Baffle; 310. Scale indicator bar; 4. Third bracket; 41. Second hydraulic cylinder; 42. Cutting blade. Detailed Implementation

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0027] In order to facilitate the understanding of the present application, the present application will be more fully described below with reference to the related description of the present application, and several embodiments of the present application are given. However, the present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0028] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be intervening elements. When an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can be present. The terms "vertical", "horizontal", "left", "right", and the like as used herein are for purposes of illustration and description only and are not intended to limit the present application.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The use of the terms "and / or" includes a combination of one or more of the associated listed items.

[0030] Embodiments

[0031] As shown in Figures 1-5 The present application provides a technical solution: a reinforcing steel bar cutting device for building construction, comprising a cutting table 1, an automatic feeding mechanism is arranged above the cutting table 1, the mechanism comprises symmetrically distributed supporting blocks 2, the supporting blocks 2 are fixed on the upper end of the cutting table 1 through bolts, the opposite surfaces of the supporting blocks 2 are rotatably connected with a plurality of driven rods 21 through deep groove ball bearings, the outer surfaces of the driven rods 21 are fixedly connected with guide wheels 22 through interference fit, V-shaped grooves matching the outer diameter of the reinforcing steel bars are formed on the surfaces of the guide wheels 22, and the guide wheels 22 are used for supporting and guiding the reinforcing steel bars, a first support 23 is welded on the upper end of the cutting table 1, a servo electric cylinder 24 is installed on the top of the first support 23, a piston rod of the servo electric cylinder 24 penetrates through the first support 23 and is fixed with a pressure sensor 25, the pressure sensor 25 is connected with a control system through a signal line, and clamping pressure data is fed back in real time.

[0032] The lower end of the pressure sensor 25 is fixed to the second support 26 by bolts, the upper end of the second support 26 is welded with symmetrically distributed guide rods 27, the guide rods 27 penetrate through the first support 23 and leave a sliding gap, so that the stability of the vertical movement of the second support 26 is ensured, one side of the second support 26 is provided with a servo motor 28 fixed by bolts, the output shaft of the servo motor 28 is connected with a rotating shaft 29 through an elastic coupling, the other end of the rotating shaft 29 is fixed to the inner wall of the second support 26 through a bearing, and a plurality of groups of rubber driving wheels 210 are connected to the outer surface of the rotating shaft 29 through keys, the surface of the rubber driving wheels 210 is also provided with V-shaped grooves corresponding to the guide wheels 22, the material of the rubber driving wheels 210 is high wear-resistant rubber, and sufficient friction force is provided to drive the steel bars to move.

[0033] The cutting distance adjusting mechanism comprises a supporting block 3 fixed to the front end of the cutting table 1 by bolts, a blanking plate 31 hinged to the back surface of the supporting block 3 through a hinge, symmetrically distributed side plates 32 welded to the upper end of the blanking plate 31 for preventing the steel bars from rolling laterally when the steel bars are unloaded, a avoiding groove 33 formed in the back surface of the cutting table 1, a first hydraulic cylinder 34 hinged to the inside of the avoiding groove 33 through a support, a joint bearing for hinging the lower end of the blanking plate 31 to the piston rod of the first hydraulic cylinder 34, the blanking plate 31 being driven to swing through the extension and contraction of the hydraulic cylinder, symmetrically distributed guide rails 35 welded to the upper end of the cutting table 1, lockable moving sleeves 36 slidably sleeved on the outside of the guide rails 35, and pointers 37 fixed to the side surfaces of the lockable moving sleeves 36 through bolts and connecting rods 38 welded to the upper end of the pointers 37.

[0034] A baffle 39 is welded to the upper ends of the two connecting rods 38, the baffle 39 is a rectangular plate, the lower end of the baffle 39 is in contact with the upper end of the blanking plate 31, so that a steel bar positioning stop surface is formed, scale indicating strips 310 are pasted on the two sides of the cutting table 1, and the cutting length can be visually adjusted by cooperation of the pointers 37, and hand-tightening fixing bolts are arranged above the lockable moving sleeves 36, so that the position is locked by pressing the guide rails 35.

[0035] A third support 4 is welded to the upper end of the cutting table 1, a second hydraulic cylinder 41 is mounted on the top of the third support 4, the piston rod of the second hydraulic cylinder 41 penetrates through the third support 4 and is fixed to a cutting knife 42 through bolts, the cutting knife 42 is a high-strength alloy blade, and the cutting edge is subjected to quenching treatment, so that the cutting knife 42 can quickly cut off steel bars with different diameters.

[0036] The working process of the utility model is as follows:

[0037] Step one, the steel to be cut is horizontally placed in the V-shaped groove of the guide wheel 22, the servo electric cylinder 24 is started, the piston rod drives the second bracket 26 and the rubber driving wheel 210 to move downward, when the clamping pressure detected by the pressure sensor 25 reaches the preset value, the servo electric cylinder 24 stops working, at this time the rubber driving wheel 210 and the guide wheel 22 together clamp the steel to ensure that there is no slipping or displacement during conveying, the servo motor 28 is started, the output shaft drives the rotating shaft 29 and the rubber driving wheel 210 to rotate through the shaft coupling, the steel is driven to move in the cutting direction by using the friction force, the guide wheel 22 rotates synchronously with the movement of the steel to provide auxiliary support and guidance, when the front end of the steel contacts the baffle 39, the rubber driving wheel 210 starts to rub the surface of the steel due to obstruction, at this time the current of the servo motor 28 increases, triggering the control system to stop the servo motor 28, the steel is accurately positioned to the cutting position;

[0038] Step two, after positioning, the second hydraulic cylinder 41 is started, the piston rod drives the cutting knife 42 to move downward to vertically cut the steel, since the steel is stably clamped by the rubber driving wheel 210 and the guide wheel 22, there is no obvious shaking during cutting, ensuring that the cut is smooth, after cutting is completed, the second hydraulic cylinder 41 drives the cutting knife 42 to rise and reset, waiting for the next cutting instruction, at the same time when the cutting knife 42 resets, the first hydraulic cylinder 34 retracts to drive the discharge plate 31 to swing downward and tilt around the hinge, the steel slides along the discharge plate 31 to the discharge area due to gravity, after discharging is completed, the first hydraulic cylinder 34 extends to push the discharge plate 31 to reset to the horizontal state and contact the lower part of the baffle 39, at this time the servo motor 28 can be started again to feed and cut the next batch of steel, realizing cyclic operation.

[0039] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A steel bar cutting device for building construction, comprising a cutting table (1), characterized in that: An automatic feeding mechanism is provided above the cutting table (1), and the automatic feeding mechanism includes a support block (2). The lower ends of the two support blocks (2) are symmetrically distributed and fixedly connected to the upper end of the cutting table (1). The opposing surfaces of the two support blocks (2) are rotatably connected by bearings to driven rods (21) arranged in a linear array. Guide wheels (22) arranged in a linear array are fixedly sleeved on the outside of the driven rods (21). A first bracket (23) is fixedly connected to the upper end of the cutting table (1). A servo electric cylinder (24) is fixedly installed on the upper end of the first bracket (23). One end of the piston rod of the servo electric cylinder (24) passes through the first bracket (23) and a pressure sensor (25) is fixedly installed thereon. The upper end of the cutting table (1) is provided with a cutting distance adjustment mechanism.

2. The steel bar cutting device for building construction according to claim 1, characterized in that: The lower end of the pressure sensor (25) is fixedly mounted with a second bracket (26), and the upper end of the second bracket (26) is fixedly connected with symmetrically distributed guide rods (27). One end of the guide rods (27) passes through and extends above the first bracket (23).

3. The steel bar cutting device for building construction according to claim 2, characterized in that: A servo motor (28) is fixedly installed on one side of the second bracket (26). The output shaft of the servo motor (28) is fixedly installed with a rotating shaft (29) through a coupling. One end of the rotating shaft (29) passes through the second bracket (26) and is rotatably connected to the inner wall of one side of the second bracket (26) through a bearing. Rubber drive wheels (210) arranged in a linear array are fixedly sleeved on the outside of the rotating shaft (29).

4. The steel bar cutting device for building construction according to claim 1, characterized in that: The cutting distance adjustment mechanism includes a support block (3), and a feed plate (31) is hinged to the back of the support block (3) via a hinge. The upper end of the feed plate (31) is fixedly connected to symmetrically distributed side plates (32), and a clearance groove (33) is provided on the back of the cutting table (1).

5. A steel bar cutting device for building construction according to claim 4, characterized in that: The inner bottom wall of the clearance groove (33) is hinged to a first hydraulic cylinder (34) via a support. One end of the piston rod of the first hydraulic cylinder (34) is hinged to the lower end of the feed plate (31) via a support. The upper end of the cutting table (1) is fixedly connected to symmetrically distributed guide rails (35).

6. A steel bar cutting device for building construction according to claim 5, characterized in that: The guide rail (35) is slidably fitted with a lockable movable sleeve (36), a pointer (37) is fixedly connected to one side of the lockable movable sleeve (36), and a connecting rod (38) is fixedly connected to the upper end of the movable sleeve.

7. A steel bar cutting device for building construction according to claim 6, characterized in that: Both of the connecting rods (38) are fixedly connected to the upper ends of baffles (39), the lower ends of the baffles (39) are in contact with the upper ends of the feed plate (31), and the cutting table (1) is fixedly connected to the two sides of the cutting table (1) with symmetrically distributed scale indicators (310).

8. A steel bar cutting device for building construction according to claim 1, characterized in that: The upper end of the cutting table (1) is fixedly connected to a third bracket (4), and the upper end of the third bracket (4) is fixedly installed with a second hydraulic cylinder (41). One end of the piston rod of the second hydraulic cylinder (41) passes through the third bracket (4) and is fixedly connected to a cutting blade (42).

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