Steel bar shearing machine

Abstract

The utility model relates to the technical field of wharf construction, in particular to a steel bar cut-off machine which comprises a cutting table, supporting legs, a conveying mechanism, a hydraulic oil cylinder, a cross beam, a cutting machine, a first connecting rod, a second connecting rod, a pressing and fixing mechanism, a lower pressing block, a vertical frame and idler wheels. By means of the conveying mechanism and the rolling wheels, a steel bar to be cut is placed on the rolling wheels, then the two motors drive the two rotating discs to rotate reversely, and therefore the steel bar is conveyed forwards or backwards, the steel bar does not need to be pushed to the cutting position manually, the steel bar can be conveniently controlled to the accurate cutting position, and the cutting efficiency is improved. And through the pressing and fixing mechanisms symmetrically arranged on the two sides of the cutting blade of the cutting machine, under the cooperation effect of the two pressing and fixing mechanisms and the two lower pressing blocks, the steel bars placed on the lower pressing blocks are pressed and fixed while the cutting blade moves downwards, and therefore the stability of the steel bars in the cutting process can be guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to wharf construction technical field, concretely relates to a reinforcing steel bar cutting machine. BACKGROUND

[0002] Reinforcing steel bar cutting machine is widely used in construction site, bridge, highway, tunnel and other engineering, is used for cutting all kinds of reinforcing steel bars, compared with traditional manual cutting, cutting with cutting machine can improve work efficiency, reduce labor intensity, improve work quality, simultaneously, it can also ensure the cutting precision of reinforcing steel bar, so it has been widely applied in wharf construction engineering.

[0003] At present, in the existing wharf construction, reinforcing steel bars need to be pushed to cutting position by manpower during feeding, because the density of reinforcing steel bar is relatively large and its weight is relatively heavy, so it consumes more manpower, and the existing reinforcing steel bar cutting machine is single in structure, and the cutting process needs to be carried out separately, after cutting, the cut reinforcing steel bar needs to be taken out, then the remaining reinforcing steel bar is adjusted again and fixed to the cutting machine, so the cutting efficiency is low.

[0004] Based on this, the utility model designs a reinforcing steel bar cutting machine to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a reinforcing steel bar cutting machine.

[0006] To achieve the above object, the utility model provides the following technical scheme: a reinforcing steel bar cutting machine, including cutting table, support, conveying mechanism, hydraulic oil cylinder, crossbeam, cutting machine, first connecting rod, second connecting rod, pressing mechanism, lower pressing block, stand and gyro wheel, the four corners of the lower end of cutting table are all fixedly connected with support, the center of the upper end of cutting table is provided with knife groove, the left and right sides of knife groove are symmetrically provided with lower pressing block, two rectangular through grooves are also symmetrically provided on cutting table, two rectangular through grooves are all installed with conveying mechanism, one side of conveying mechanism is all provided with stand, a plurality of gyro wheels are movably installed in stand, the directly above of knife groove is provided with cutting machine, cutting machine is fixedly installed at the lower end of crossbeam, the lower end of the left and right sides of crossbeam is all fixedly connected with hydraulic oil cylinder, the lower end of two hydraulic oil cylinders is all fixedly connected with cutting table, the left side of cutting machine is provided with first connecting rod, the right side of cutting machine is provided with second connecting rod, the lower end of first connecting rod and second connecting rod is all provided with pressing mechanism.

[0007] As a preferred technical scheme of the utility model, two pressing mechanisms are respectively directly above two lower pressing blocks, and the cutting blade on the cutting machine is directly above the knife groove.

[0008] As a preferred technical scheme of the utility model, the conveying mechanism includes guide rods, positive and reverse toothed lead screws, sliding blocks, motors, rotating discs and rubber anti-skid rings, two guide rods are fixedly connected in the rectangular through groove in a symmetrical manner, the positive and reverse toothed lead screws are arranged between the two guide rods, the two ends of the positive and reverse toothed lead screws are movably installed in the rectangular through groove, the positive teeth and the reverse teeth of the positive and reverse toothed lead screws are both spirally connected with sliding blocks, and the sliding blocks are slidably connected with the guide rods.

[0009] As a preferred technical scheme of the utility model, the upper end of the sliding block is fixedly installed with a motor, the output end of the motor is fixedly installed with a rotating disc, and the outer side of the rotating disc is provided with a rubber anti-skid ring.

[0010] As a preferred technical scheme of the utility model, the pressing mechanism includes a cylinder, an inner rod, an upper pressing block and a spring, the cylinder is fixedly connected in the groove formed at the lower end of the rod body, the inner rod is movably connected in the inside of the cylinder, and the lower end of the inner rod is fixedly connected with the upper pressing block.

[0011] As a preferred technical scheme of the utility model, the upper end of the upper pressing block is fixedly connected with a spring, one end of the spring is fixedly connected with the upper pressing block, and the other end is fixedly connected in the groove at the lower end of the rod body.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、The utility model discloses in using, through the conveying mechanism and the gyro wheel being equipped with, the steel bar to be cut is placed on the gyro wheel, then the reverse rotation of two rotating discs is driven through two motors, thereby realizing the forward or rearward conveying of the steel bar, and the steel bar is not needed to be pushed to the cutting position by manpower, and it is convenient to control the steel bar to accurate cutting position, and better cutting quality is reached.

[0014] 2、The utility model discloses in using, the pressing mechanism that the cutting machine cutting blade both sides symmetry is equipped with, under the cooperation of two pressing mechanisms and two lower pressing blocks, while the cutting blade is going down, two pressing mechanisms will first contact with the lower pressing block, and the steel bar placed on the lower pressing block is pressed and is fixed, along with the continuous going down of the cutting machine, the pressing force will also be strengthened, thereby can guarantee the stability in the steel bar cutting process, and the steel bar is not needed to be fixed and disassembled manually, and cutting efficiency is improved. DRAWINGS

[0015] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model.

[0016] Figure 1 It is the overall front view structural schematic diagram of the utility model.

[0017] Figure 2 This is a schematic diagram of the overall left-side structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the overall right-side structure of this utility model;

[0019] Figure 4 This is a partially enlarged structural schematic diagram of the present invention;

[0020] Figure 5 This is an enlarged structural schematic diagram of the conveying mechanism of this utility model;

[0021] Figure 6 This is a cross-sectional structural diagram of the clamping mechanism of this utility model.

[0022] In the diagram: 1. Cutting table; 101. Knife groove; 102. Rectangular through groove; 2. Support leg; 3. Conveying mechanism; 301. Guide rod; 302. Positive and negative threaded rod; 303. Sliding block; 304. Electric motor; 305. Rotary disk; 306. Rubber anti-slip ring; 4. Hydraulic cylinder; 5. Crossbeam; 6. Cutting machine; 7. First connecting rod; 8. Second connecting rod; 9. Pressing mechanism; 901. Cylinder; 902. Inner rod; 903. Upper pressure block; 904. Spring; 10. Lower pressure block; 11. Stand; 12. Roller. Detailed Implementation

[0023] The following will refer to the appendix in the embodiments of this utility model. Figures 1-6 The technical solutions in the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] Example

[0025] Please see Figures 1-6The utility model provides the following technical scheme: a reinforcing steel bar cutting-off machine, including cutting table 1, support 2, conveying mechanism 3, hydraulic oil cylinder 4, crossbeam 5, cutting machine 6, first connecting rod 7, second connecting rod 8, press solid mechanism 9, lower pressing block 10, stand 11 and gyro wheel 12, all are fixedly connected with support 2 in four corners of the lower end of cutting table 1, and the centre of cutting table 1 upper end is provided with knife slot 101, and the left and right sides of knife slot 101 are symmetrically provided with lower pressing block 10, and two rectangular through slots 102 are also symmetrically provided on cutting table 1 upper end, and conveying mechanism 3 is installed in two rectangular through slots 102, and stand 11 is arranged on one side of conveying mechanism 3, and a plurality of gyro wheel 12 are movably installed in stand 11, and cutting machine 6 is arranged on the directly above of knife slot 101, and cutting machine 6 is fixedly installed in the lower end of crossbeam 5, and hydraulic oil cylinder 4 is fixedly connected on the lower end of the left and right sides of crossbeam 5, and the lower end of two hydraulic oil cylinders 4 is fixedly connected with cutting table 1, and first connecting rod 7 is arranged on the left side of cutting machine 6, and second connecting rod 8 is arranged on the right side of cutting machine 6, and press solid mechanism 9 is arranged on the lower end of first connecting rod 7 and second connecting rod 8.

[0026] Two press solid mechanisms 9 are respectively on the directly above of two lower pressing blocks 10, and the cutting blade on cutting machine 6 is on the directly above of knife slot 101.

[0027] Conveying mechanism 3 includes guide rod 301, positive and negative toothed rod 302, sliding block 303, motor 304, rotating disc 305 and rubber antiskid ring 306, two guide rods 301 are symmetrically fixedly connected in rectangular through slot 102, positive and negative toothed rod 302 is arranged between two guide rods 301, and both ends of positive and negative toothed rod 302 are movably installed in rectangular through slot 102, and sliding block 303 is screw-connected on the positive tooth and negative tooth of positive and negative toothed rod 302, and sliding block 303 is slidably connected with guide rod 301.

[0028] The upper end of sliding block 303 is fixedly installed with motor 304, and the output end of motor 304 is fixedly installed with rotating disc 305, and the outside of rotating disc 305 is provided with rubber antiskid ring 306.

[0029] Through the structural design of the above conveying mechanism 3, under the action that two motors 304 drive two rotating discs 305 to rotate reversely, the conveying of reinforcing steel bars can be realized, and two rotating discs 305 can be adjusted, so that the conveying of reinforcing steel bars of different specifications is facilitated, and good practicability is achieved.

[0030] Please refer to Figure 2 , Figure 3 , Figure 4 and Figure 6The pressing and fixing mechanism 9 comprises a cylinder 901, an inner rod 902, an upper pressing block 903 and a spring 904, the cylinder 901 is fixedly connected in the groove opened at the lower end of the rod body, the inner rod 902 is movably connected in the inner part of the cylinder 901, and the lower end of the inner rod 902 is fixedly connected with the upper pressing block 903.

[0031] The upper end of the upper pressing block 903 is fixedly connected with the spring 904, one end of the spring 904 is fixedly connected with the upper pressing block 903, and the other end is fixedly connected in the groove at the lower end of the rod body.

[0032] Through the cooperation of the pressing and fixing mechanism 9 symmetrically arranged at the left and right sides of the cutting machine 6 and the lower pressing block 10, the steel bar can be pressed and fixed along with the downward movement of the cutting machine 6, and the cutting machine 6 can move upward along with the upward movement of the cutting machine 6 after cutting, so that the automatic fixing and dismounting of the steel bar are realized, and the cutting efficiency is improved.

[0033] The working principle and use process of the utility model are as follows: in specific use, the steel bar is placed on the rollers 12 and the lower pressing block 10 at the left and right sides of the cutting table 1, the steel bar is placed horizontally on the cutting table 1, then the hand wheel at one end of the positive and negative thread rod 302 is rotated to drive the positive and negative thread rod 302 to rotate, the two sliding blocks 303 connected with the positive tooth and the negative tooth of the positive and negative thread rod 302 rotate towards each other through the rotation of the positive and negative thread rod 302, so that the two rotating discs 305 abut against the two sides of the steel bar, the rotation of the rotating disc 305 is driven by the motor 304, so that the rotating conveying function of the steel bar is realized, time and labor are saved, and the steel bar can be accurately conveyed to the cutting position, in the cutting process, the cutting machine 6 can be driven to move downward for cutting through the extension and retraction of the hydraulic oil cylinder 4, in the process of the downward movement of the cutting machine 6 for cutting, the pressing and fixing mechanism 9 can first press and fix the steel bar, the pressing force can increase along with the continuous downward movement of the cutting, so that the stability in the cutting process is ensured, the steel bar does not need to be manually fixed or dismounted, and the cutting efficiency is improved.

[0034] Finally, it should be noted that: the above only for preferred embodiments of the utility model, and not for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A reinforcing steel bar cutting machine comprising a cutting table (1), a supporting leg (2), a conveying mechanism (3), a hydraulic cylinder (4), a cross beam (5), a cutting machine (6), a first connecting rod (7), a second connecting rod (8), a pressing mechanism (9), a pressing block (10), a vertical stand (11) and a roller (12), characterized in that: The lower end of the cutting table (1) is fixedly connected with four legs (2), the center of the upper end of the cutting table (1) is provided with a knife slot (101), the left and right sides of the knife slot (101) are symmetrically provided with a pressing block (10), the upper end of the cutting table (1) is also symmetrically provided with two rectangular through grooves (102), two conveying mechanisms (3) are installed in the two rectangular through grooves (102), the conveying mechanisms (3) are provided with a stand (11) on one side, a plurality of rollers (12) are movably installed in the stand (11), a cutting machine (6) is arranged above the knife slot (101), the cutting machine (6) is fixedly installed at the lower end of the cross beam (5), the lower ends of the left and right sides of the cross beam (5) are fixedly connected with hydraulic oil cylinders (4), the lower ends of the two hydraulic oil cylinders (4) are fixedly connected with the cutting table (1), a first connecting rod (7) is arranged on the left side of the cutting machine (6), a second connecting rod (8) is arranged on the right side of the cutting machine (6), and a pressing mechanism (9) is arranged at the lower end of the first connecting rod (7) and the second connecting rod (8).

2. A bar shearing machine according to claim 1, characterised in that: The two pressing mechanisms (9) are respectively above the two pressing blocks (10), and the cutting blade on the cutting machine (6) is above the knife slot (101).

3. A bar shearing machine as claimed in claim 1 wherein: The conveying mechanism (3) comprises guide rods (301), forward and reverse toothed rods (302), sliding blocks (303), motors (304), rotating discs (305) and rubber anti-skid rings (306), two guide rods (301) are symmetrically fixedly connected in the rectangular through groove (102), the forward and reverse toothed rod (302) is arranged between the two guide rods (301), and the two ends of the forward and reverse toothed rod (302) are movably installed in the rectangular through groove (102). The forward teeth and the reverse teeth of the forward and reverse toothed rod (302) are both spirally connected with the sliding blocks (303), and the sliding blocks (303) are slidably connected with the guide rods (301).

4. A bar shearing machine according to claim 3 wherein: The upper end of the sliding block (303) is fixedly connected with the motor (304), the output end of the motor (304) is fixedly connected with the rotating disc (305), and the outer side of the rotating disc (305) is provided with the rubber anti-skid ring (306).

5. A bar shearing machine as claimed in claim 1, wherein: The pressing mechanism (9) comprises a cylinder body (901), an inner rod (902), an upper pressing block (903) and a spring (904), the cylinder body (901) is fixedly connected in the groove at the lower end of the rod body, the inner rod (902) is movably connected in the inner portion of the cylinder body (901), and the lower end of the inner rod (902) is fixedly connected with the upper pressing block (903).

6. A bar shearing machine according to claim 5 wherein: The upper end of the upper pressing block (903) is fixedly connected with the spring (904), one end of the spring (904) is fixedly connected with the upper pressing block (903), and the other end is fixedly connected in the groove at the lower end of the rod body.

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