Steel-making steel bar shearing device

Abstract

The utility model relates to cutting treatment of waste steel bars in the steel continuous casting production process, in particular to a steel-making steel bar shearing device. The steel bar platform of the cutting device is obliquely arranged, the vibration feeding motor is arranged, manual feeding is replaced, and efficiency is high. Namely, an inclined workbench and a vibration mode are adopted, so that the function of automatically supplementing the materials after the steel bars are cut off is realized. Comprising a rack and a shearing tool arranged on the rack. The front part of the rack is a material platform for placing reinforcing steel bars, the platform surface of the material platform is in an inclined shape with a high initial end and a low tail end, and a rectangular feeding hole for extending the reinforcing steel bars is formed in the rack and the tail end of the platform surface; the material blocking mechanism comprises a hand-cranking lead screw and a material blocking plate connected with the hand-cranking lead screw. The two ends of the hand-cranking lead screw are rotationally connected to the bottom of the rack through lead screw installation bases correspondingly. The striker plate comprises a connecting part and a baffle part fixedly connected with the tail end of the connecting part; and the head end of the connecting part is in threaded connection with the manual adjusting lead screw to form a lead screw and nut linear moving mechanism.

Description

Technical Field

[0001] The utility model relates to the cutting process of waste steel bars in the process of continuous casting of steel, in particular to a steelmaking steel bar shearing device. Background Art

[0002] Short steel bars play a key role in steelmaking and continuous casting as cooling materials for the pouring and encapsulating ingot starter and as cold materials for the hot joint process. Their good thermal conductivity and high specific surface area ensure the effective use of heat and cooling of the ingot starter, guaranteeing the quality of the ingot and the stability of continuous production. In the hot joint process, due to the large demand, they are currently mainly cut manually and inspected to ensure supply.

[0003] Specifically, the original steelmaking continuous casting billet drawing area uses short steel bars, and the operators are required to use cutting saws or cutting guns to cut them every day. However, due to the large number of cuts required, the operators need to work intensively, and long periods of standing, bending, twisting and other postures can cause muscle strain, joint pain and other problems for the operators. Moreover, this operation also has certain safety hazards. For example, if the cutting saw or cutting gun is not operated carefully, it may cause injuries to the employees' fingers and arms, or even cause serious cutting accidents. In addition, manual operation has a slow cutting speed, and it takes a long time to cut enough short steel bars, which restricts production efficiency and affects production progress. Moreover, the material table of the existing steel bar cutting device is horizontal, and each time a section is cut, it needs to be manually fed forward, which is time-consuming and labor-intensive. Summary of the invention

[0004] The utility model aims at solving the defects in the prior art and provides a steelmaking steel bar shearing device.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme, including a frame, and a group of shearing tools arranged on the frame for cutting steel bars; the group of shearing tools includes upper scissors and lower scissors; it is characterized in that the front part of the frame is a material table for placing steel bars, the table top of the material table is inclined with a high beginning and a low end, and rectangular feed openings for the steel bars to extend out are arranged on the frame and at the ends of the table top; when the steel bars are placed on the table top, the ends of the steel bars extend out from the rectangular feed opening, and after passing between the upper and lower scissors, the ends of the steel bars abut against a material blocking mechanism.

[0006] The material blocking mechanism comprises a hand-cranked screw rod and a material blocking plate connected to the hand-cranked screw rod.

[0007] The two ends of the hand-cranked screw are rotatably connected to the bottom of the frame through a screw mounting seat; the baffle plate includes a connecting part and a baffle part fixedly connected to the end of the connecting part; and the head end of the connecting part is threadedly connected to the hand-adjustable screw to form a screw nut linear moving mechanism.

[0008] Furthermore, a guide shaft is provided on each side of the hand-cranked screw for guiding the material baffle plate. Each guide shaft passes through the material baffle plate, and both ends of each guide shaft are fixed to the frame through a guide shaft mounting seat; and the material baffle plate can move forward and backward along the guide shaft; the two guide shafts are parallel to the screw.

[0009] Furthermore, the two screw rod mounting seats are both fixed to the bottom of the frame, and the optical axis portion of the screw rod passes through the screw rod mounting seats and can rotate freely relative to the screw rod mounting seats.

[0010] Furthermore, the table top of the material table has an inclination angle of 30 to 45 degrees, and a vibration motor is provided at the bottom of the material table.

[0011] Furthermore, legs are arranged at the bottom of the frame.

[0012] Furthermore, a crank handle for easy gripping is provided at the free end of the screw rod.

[0013] Furthermore, during shearing, the upper scissors are located on one side of the steel bar to be cut, and the lower scissors are located on the other side of the steel bar to be cut; and the upper scissors are driven to feed by a hydraulic cylinder, and the hydraulic cylinder seat is fixed on the frame.

[0014] Furthermore, a plurality of rows of steel bar limiters are arranged on the surface of the material table, wherein a row of steel bar limiters is arranged between every two adjacent steel bars, and a row of steel bar limiters is arranged on the outside of each of the two outermost steel bars.

[0015] Furthermore, each row of steel bar limiting members includes a plurality of steel bar limiting columns arranged at equal intervals, and the bottoms of the steel bar limiting columns are fixed on the surface of the material table.

[0016] Compared with the prior art, the utility model has beneficial effects.

[0017] The steel bar material table of the utility model is tilted and provided with a vibrating feeding motor, which replaces manual feeding and has high efficiency. That is, the tilted workbench + vibration method is adopted to realize the function of automatic material replenishment after the steel bar is cut.

[0018] In addition, the utility model has a fixed-length material blocking mechanism for cutting steel bars, which can adjust the length according to actual needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods. The protection scope of the utility model is not limited to the following descriptions.

[0020] Figure 1 It is a front view of a steelmaking steel bar shearing device;

[0021] Figure 2 It is a three-dimensional vision device for steelmaking steel bar shearing. Figure 1 ;

[0022] Figure 3 It is a three-dimensional vision device for steelmaking steel bar shearing. Figure 2 ;

[0023] Figure 4 It is a top view of a steelmaking steel bar shearing device;

[0024] Figure 5 yes Figure 1 A partial enlarged view at point A.

[0025] In the figure, 1 is a frame, 2 is a lower scissors, 3 is an upper scissors, 4 is a guide rod, 5 is a hydraulic cylinder, 6 is a steel bar limiting column, 7 is a steel bar, 8 is a material blocking mechanism, 801 is a baffle part, and 802 is a connecting part;

[0026] 9 is a material box, 10 is a support leg, 11 is a hand-cranked screw, 12 is a guide shaft, 13 is a vibration motor, 14 is a material table, 15 is a material inlet, 16 is a shaft mounting seat, 17 is a crank handle, and 18 is a screw mounting seat. DETAILED DESCRIPTION

[0027] In order to better understand the technical solution of the present utility model, a specific implementation plan is provided as follows; and the following scheme is only for illustration.

[0028] like Figure 1-5 As shown, in the embodiment: the steel bar cutting device includes a frame 1, a group of shearing tools arranged on the frame 1 for cutting the steel bar 2; a support leg 10 is arranged at the bottom of the frame 1; the shearing tools include an upper scissors 3 and a lower scissors 2; the front part of the frame 1 is a material table 14 for placing the steel bar 2, the table surface of the material table 14 is inclined at the beginning and the end, and a rectangular feed inlet 15 for the steel bar 2 to extend is arranged on the frame 1 and at the end of the table surface; when the steel bar 2 is placed on the table surface 14, the end of the steel bar 2 is inserted into the material table 14 by the rectangular feed inlet The material opening 15 extends out, and after passing between the upper scissors 3 and the lower scissors 2, the end of the steel bar 2 abuts against a material blocking mechanism 8; the material blocking mechanism 8 includes a hand-cranked screw 11 and a material blocking plate connected to the hand-cranked screw 11; both ends of the hand-cranked screw 11 are rotatably connected to the bottom of the frame 1 through a screw mounting seat 16; the material blocking plate includes a connecting portion 802 and a baffle portion 801 fixedly connected to the end of the connecting portion 802; and the head end of the connecting portion 802 is threadedly connected to the hand-adjustable screw to form a screw nut linear moving mechanism. The hand-cranked screw 11 is rotated, and the hand-cranked screw 11 rotates relative to the screw mounting seat 16, and the baffle portion 801 moves back and forth along the screw 11 to adjust its distance relative to the rectangular feed opening 15, so that the material blocking distance is adjustable. The setting of the fixed-length material blocking mechanism for cutting steel bars can be adjusted according to the actual required length to achieve the control of the length of the cut material.

[0029] It can quickly and conveniently cut the steel bars 2, solve the difficulty of manually cutting short steel bars 2, ensure production safety, reduce labor costs, and improve production efficiency.

[0030] Preferably, a guide shaft 12 is provided on each side of the hand-cranked screw rod 11 for guiding the material baffle plate. Each guide shaft 12 passes through the material baffle plate, and both ends of each guide shaft 12 are fixed to the frame 1 through a guide shaft mounting seat; and the material baffle plate can move forward and backward along the guide shaft 12; the two guide shafts 12 are parallel to the screw rod 11.

[0031] Preferably, the two screw rod mounting seats 16 are fixed to the bottom of the frame 1, and the optical axis portion of the screw rod 11 passes through the screw rod mounting seat 16 and can rotate freely relative to the screw rod mounting seat 16. The free end of the screw rod 11 is provided with a crank 17 for easy grasping.

[0032] Preferably, the table top of the material table 14 has an inclination angle of 30 to 45 degrees, and a vibration motor 13 is provided at the bottom of the material table 14 to improve the efficiency of cutting, feeding and unloading the steel bars 2 .

[0033] Preferably, during shearing, the upper scissors 3 are located on one side of the steel bar 2 to be cut, and the lower scissors 2 are located on the other side of the steel bar 2 to be cut; and the upper scissors 3 are driven by the hydraulic cylinder 5, and the cylinder seat of the hydraulic cylinder 5 is fixed on the frame 1. A material box 9 is provided under the scissors for containing the cut steel bars 2.

[0034] Embodiment: A guide rod 4 is provided on each side of the hydraulic cylinder 5, and the guide rod 4 is parallel to the cylinder rod of the hydraulic cylinder 5; the two guide rods 4 pass through the through holes on the frame 1 and are fixedly connected to the upper scissors 3. When the hydraulic cylinder 5 is actuated, the cylinder rod drives the upper scissors 3 to move up and down. When the upper scissors 3 moves, the guide rod 4 moves up and down relative to the through holes to provide auxiliary guidance for the upper scissors 3.

[0035] Preferably, a plurality of rows of steel bar stoppers 6 are arranged on the surface of the material platform 14, wherein a row of steel bar stoppers 6 is arranged between each two adjacent steel bars 2, and a row of steel bar stoppers 6 is arranged on the outside of each of the two outermost steel bars 2. Each row of steel bar stoppers 6 includes a plurality of steel bar stopper columns arranged at equal intervals, and the bottom of the steel bar stopper columns is fixed on the surface of the material platform 14.

[0036] Introduction to the equipment working process and usage process.

[0037] 1. First, manually adjust the hand-cranked screw 11 so that the material blocking mechanism 8 moves forward and backward along the guide shaft 12. When it is adjusted to a suitable position, stop adjusting the screw 11. This work is to determine the length of the steel bar 2 after shearing.

[0038] 2. Place the scrap steel bars 2 on the material table 14 manually, and insert one end of the steel bar 2 from the rectangular feed port 15 manually, so that the end of the steel bar 2 on the insertion side presses against the material blocking mechanism 8. At the same time, the steel bar 2 needs to be placed between two rows of steel bar limiters 6 to prevent the steel bar 2 from tilting during the shearing process.

[0039] 3. Place the material box 9 between the legs 10 into the material receiving position using a forklift.

[0040] 4. Start the shearing device (knife), the hydraulic cylinder 5 works, and the upper scissors 3 are pushed downward. The upper scissors 3 are guided by the guide rod 4 during the downward movement. The upper scissors 3 cut the steel bars 2 during the downward movement, and the cut steel bars 2 fall into the material box 9. Then the hydraulic cylinder 5 works to lift the upper scissors 3.

[0041] 5. At this time, the vibration motor 13 is started, so that the steel bar 2 on the material table 14 will automatically slide to the right under the action of the motor vibration and the material table 14 at a certain angle, and finally the end of the steel bar 2 will support the material blocking mechanism 8 again.

[0042] 6. The hydraulic cylinder 5 repeats the action of step 4 to complete the second shearing work. The above actions are repeated to finally complete the shearing work of the steel bar 2.

[0043] 7. Then the forklift forks the steel bars 2 dropped into the material box 9 together with the material box 9 for transportation.

[0044] Specifically, the design of the inclined working platform 14 of the utility model not only follows the natural sliding principle in physics, so that the steel bar 2 can move smoothly to the cutting area with the help of gravity, but also the exquisite selection of this angle ensures the stable transportation of the material and avoids the jamming or dislocation phenomenon that may occur during the feeding process. Compared with the traditional flat-lying platform, the inclined design greatly reduces the physical labor intensity of the operator and improves the continuity and uniformity of feeding.

[0045] The introduction of the vibration motor 13 enables the steel bars 2 to enter the cutting area in a more orderly and rapid manner. It not only ensures the precise control of the feeding of the steel bars 2, but also effectively avoids the entanglement and accumulation of materials, ensuring the continuity and efficiency of the cutting process. In addition, the vibration feeding method can also reduce the surface damage of the steel bars 2 and maintain the integrity and quality of the materials.

[0046] In summary, the utility model combines the tilting workbench 14 with the vibration motor 13, which not only realizes the automatic material replenishment function after the steel bars 2 are cut, greatly improves the production efficiency, reduces the labor burden of the workers, but also ensures the processing accuracy and material quality.

[0047] In addition, by turning the screw crank 17, the position of the baffle plate can be adjusted instantly, so as to accurately control the cutting length of the steel bar 2, and it can easily handle both short sections of steel bars 2 and long sections of steel bars 2; when different projects have specific requirements for the length of steel bars 2, there is no need to replace complex accessories or make large-scale equipment adjustments, thus meeting diverse processing needs.

[0048] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some or all of the technical features thereof may be replaced by equivalents. Therefore, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope defined by the claims of the present invention.

Claims

1. A steelmaking steel bar shearing device, comprising a frame, and a group of shearing tools arranged on the frame for cutting steel bars; the group of shearing tools comprises an upper shear and a lower shear; characterized in that: The front part of the frame is a material table for placing steel bars, the table top of the material table is inclined with a high beginning and a low end, and a rectangular material inlet for the steel bars to extend out is arranged on the frame and at the end of the table top; when the steel bars are placed on the table top, the ends of the steel bars extend out from the rectangular material inlet, and after passing between the upper and lower scissors, the ends of the steel bars abut against a material blocking mechanism; The material blocking mechanism comprises a hand-cranked screw rod and a material blocking plate connected to the hand-cranked screw rod; The two ends of the hand-cranked screw are rotatably connected to the bottom of the frame through a screw mounting seat; the baffle plate includes a connecting part and a baffle part fixedly connected to the end of the connecting part; and the head end of the connecting part is threadedly connected to the hand-adjustable screw to form a screw nut linear moving mechanism.

2. A steelmaking steel bar shearing device according to claim 1, characterized in that: A guide shaft is arranged on each side of the hand-cranked screw rod for guiding the baffle plate. Each guide shaft passes through the baffle plate, and both ends of each guide shaft are fixed to the frame through a guide shaft mounting seat; and the baffle plate can move forward and backward along the guide shaft; the two guide shafts are parallel to the screw rod.

3. A steelmaking steel bar shearing device according to claim 2, characterized in that: The two screw rod mounting seats are both fixed at the bottom of the frame, and the optical axis portion of the screw rod passes through the screw rod mounting seats and can rotate freely relative to the screw rod mounting seats.

4. The steelmaking steel bar shearing device according to claim 1, characterized in that: The table top of the material table has an inclination angle of 30~45 degrees, and a vibration motor is installed at the bottom of the material table.

5. The steelmaking steel bar shearing device according to claim 1, characterized in that: Support legs are arranged at the bottom of the frame.

6. The steelmaking steel bar shearing device according to claim 1, characterized in that: The free end of the screw rod is provided with a crank handle which is convenient for gripping.

7. The steelmaking steel bar shearing device according to claim 1, characterized in that: During shearing, the upper scissors are located on one side of the steel bar to be cut, and the lower scissors are located on the other side of the steel bar to be cut; and the upper scissors are driven to feed by a hydraulic cylinder, and the hydraulic cylinder seat is fixed on the frame.

8. The steelmaking steel bar shearing device according to claim 1, characterized in that: A plurality of rows of steel bar limiters are arranged on the table surface of the material table, wherein a row of steel bar limiters is arranged between every two adjacent steel bars, and a row of steel bar limiters is arranged on the outside of each of the two outermost steel bars.

9. A steelmaking steel bar shearing device according to claim 8, characterized in that: Each row of steel bar limiting members includes a plurality of steel bar limiting columns arranged at equal intervals, and the bottoms of the steel bar limiting columns are fixed on the table surface of the material table.

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