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CN-121988681-A - Straightening cutter for preventing wire from being crushed

CN121988681ACN 121988681 ACN121988681 ACN 121988681ACN-121988681-A

Abstract

The invention relates to the field of steel bar processing, and discloses a straightening and cutting machine for preventing wire from being crushed, which comprises a straightening table, a guide structure, a progressive straightening piece, a traction component, a cutting component and a braking component, wherein a working cabin is arranged on the straightening table, the guide structure guides steel bars fed into the working cabin, the progressive straightening piece is provided with a straightening block, the straightening block preliminarily clamps the steel bars in a point contact mode under the action of air pressure, then gradually performs rotary pressing and straightens the steel bars under the action of pressing force, the traction component provides power for forward transportation of the steel bars, and the cutting component periodically drives and cuts the steel bars. According to the invention, firstly, the steel bars entering the working cabin are guided and limited by virtue of the guide structure, and then the procedures of straightening and fixed-length cutting are completed in the continuous transportation process of the steel bars through the sequential collaborative operation of the progressive straightening piece, the traction component and the cutting component, so that the full-automatic straightening cutting process is realized.

Inventors

  • YU GENG

Assignees

  • 安徽桥运传动科技有限公司

Dates

Publication Date
20260508
Application Date
20260306

Claims (9)

  1. 1. A straightening cutter for preventing wire from being crushed, comprising: a straightening table (1) on which a working cabin (2) is installed; The guide structure (3) is arranged on one side, close to the feed inlet, of the working cabin (2), and the guide structure (3) guides the steel bars fed into the working cabin (2); The progressive straightening piece (4) is arranged in the working cabin (2) and is positioned at the downstream end of the guide structure (3), the progressive straightening piece (4) is provided with symmetrically arranged straightening blocks (41), the steel bars are positioned between the straightening blocks (41), and the straightening blocks (41) are used for initially clamping the steel bars in a point contact mode under the action of air pressure, then gradually perform rotary downward pressing and straighten the steel bars under the action of downward pressing force; The traction assembly (5) is arranged in the working cabin (2) and is positioned at the downstream end of the progressive straightening piece (4), and the traction assembly (5) provides power for forward transportation of the reinforcing steel bars; a cutting assembly (6) arranged at the downstream end of the traction assembly (5), wherein the cutting assembly (6) is periodically driven and performs cutting action on the reinforcing steel bars; a braking assembly (7) mounted between the traction assembly (5) and the progressive straightening member (4), the braking assembly (7) following the progressive straightening member (4) and braking the traction assembly (5) when it is driven, so as to stop the forward transportation process of the reinforcing bars; Wherein, progressive straightening piece (4) sets up to two at least, one of them progressive straightening piece (4) is along vertical direction setting to right at vertical direction the reinforcing bar straightens, another progressive straightening piece (4) is along the horizontal direction setting, in order to right at the horizontal direction the reinforcing bar straightens.
  2. 2. The straightening and cutting machine for preventing wire from being crushed according to claim 1, wherein, The guide structure (3) comprises a mounting seat (31), a sliding rail (32) mounted on the mounting seat (31), and a first sliding seat (33) and a second sliding seat (34) which are slidably mounted on the sliding rail (32); a first vertical plate (35) is arranged on the first sliding seat (33), and a second vertical plate (36) is arranged on the second sliding seat (34); An upper limit plate (37) is arranged at the top of the first vertical plate (35) along the horizontal direction, a first limit groove seat (38) which is in sliding fit with the upper limit plate (37) is arranged on the second vertical plate (36), a lower limit plate (39) is arranged on the side surface, close to the bottom, of the second vertical plate (36), and a second limit groove seat (310) which is in sliding fit with the lower limit plate (39) is arranged on the first vertical plate (35); The inner side surfaces of the first vertical plate (35) and the second vertical plate (36), the top of the lower limiting plate (39) and the bottom of the upper limiting plate (37) are embedded with rolling steel balls (311).
  3. 3. The straightening and cutting machine for preventing wire from being crushed according to claim 2, wherein, The side surfaces of the first vertical plate (35) and the second vertical plate (36) are connected with sliding bolts (312); lifting plates (313) are arranged on the straightening table (1) and are opposite to the side surfaces of the first vertical plate (35) and the second vertical plate (36), a pair of symmetrical inclined groove bodies (314) are arranged on the lifting plates (313), and the sliding bolts (312) are in sliding fit with the inclined groove bodies (314); the straightening table (1) is provided with a through hole (315) for the lifting plate (313) to pass through, a first air cylinder (316) is arranged at the bottom of the straightening table (1), and the driving end of the first air cylinder (316) is connected with the lifting plate (313).
  4. 4. A straightening and cutting machine for preventing wire from being crushed according to claim 3, characterized in that, The progressive straightening piece (4) comprises a mounting frame (42) arranged on the straightening table (1), fixing frames (43) arranged on two sides in the mounting frame (42) and sliding plates (44) arranged on the fixing frames (43) in a sliding manner; The sliding plates (44) are symmetrically arranged at two ends of the fixed frame (43), sliding grooves (45) are formed in the side edges of the fixed frame (43), the sliding plates (44) are slidably assembled in the sliding grooves (45), mounting holes (46) are formed in the sliding plates (44), protruding seats (47) are formed in the side edges of the end parts of the sliding plates (44), first movable shafts (48) are rotatably arranged on the protruding seats (47) and are rotatably connected with rotary bolts (49) through the first movable shafts (48), second movable shafts (410) are rotatably arranged at the end parts, far away from the first movable shafts (48), of the rotary bolts (49), power plates (411) are rotatably connected with the second movable shafts (410), and at least part of the power plates (411) penetrate through the mounting holes (46); a sliding shaft (412) is arranged at the corner position of the power plate (411) far away from the second movable shaft (410), and a long groove (413) for sliding the sliding shaft (412) is arranged in the mounting opening (46); wherein, the straightening block (41) is fixedly arranged between the two opposite power plates (411).
  5. 5. The straightening and cutting machine for preventing wire from being crushed according to claim 4, wherein, Two ends of the mounting frame (42) are respectively provided with a second air cylinder (414) and a third air cylinder (415), wherein the end parts of two sliding plates (44) are connected with the driving end of the second air cylinder (414), and the end parts of the other two sliding plates (44) are connected with the driving end of the third air cylinder (415).
  6. 6. The straightening and cutting machine for preventing wire from being crushed according to claim 5, wherein, The arrangement direction of the power plate (411) deviates from the sliding direction of the sliding plate (44), a limiting block (416) is arranged in the fixed frame (43), and an abutting part (417) is formed at the end part of the power plate (411) close to the limiting block (416); Under the pressure action of the second air cylinder (414) and the third air cylinder (415), the power plate (411) moves along with the sliding plate (44), one end point of the abutting portion (417) is abutted against the limiting block (416) preferentially, and then the power plate (411) is pushed by the reacting force of the limiting block (416), and the rotating bolt (49) synchronously rotates, so that the abutting portion (417) is abutted against the limiting block (416) gradually and completely.
  7. 7. The straightening and cutting machine for preventing wire from being crushed according to claim 6, wherein, The traction assembly (5) comprises a fixed seat (51) arranged at the downstream end of the progressive straightening piece (4), a square frame (52) arranged on the fixed seat (51) and two connecting seats (53) arranged in the square frame (52); a traction wheel (54) is rotatably arranged on the connecting seat (53), a gap formed between the two traction wheels (54) is used for the steel bars to pass through, a driving shaft is coaxially arranged on the traction wheels (54), a first gear (55) is arranged at the end part of one driving shaft, a second gear (56) is arranged at the end part of the other driving shaft, and the first gear (55) is meshed with the second gear (56); The end of the first gear (55) is coaxially provided with a driving wheel (57), the bottom of the straightening table (1) is provided with a driving motor (58), the driving end of the driving motor (58) is provided with a driving wheel (59), and the driving wheel (59) is in transmission connection with the driving wheel (57) through a transmission belt (510).
  8. 8. The straightening and cutting machine for preventing wire from being crushed according to claim 7, wherein, The cutting assembly (6) comprises a cutting frame (61) arranged at the downstream end of the traction assembly (5), a bearing groove seat (62) arranged on the cutting frame (61) and a cutting blade (63) arranged at the bottom of the bearing groove seat (62); The steel bar passes through the cutting piece (63) and between the bearing groove seat (62), a fourth cylinder (64) is installed at the bottom of the straightening table (1), the driving end of the fourth cylinder (64) is provided with an installation groove seat (65), and the cutting piece (63) is installed on the installation groove seat (65).
  9. 9. The straightening and cutting machine for preventing wire from being crushed according to claim 8, wherein, The brake assembly (7) comprises a linkage plate (71) and a brake disc (72) arranged on the linkage plate (71); the brake disc (72) is opposite to the traction wheel (54), and the linkage plate (71) is connected with the driving end of the second air cylinder (414) or the driving end of the third air cylinder (415); The side edges of the mounting frame (42) and the cutting frame (61) are respectively provided with a guide plate (73), and the end parts of the linkage plates (71) are slidably arranged in the guide plates (73).

Description

Straightening cutter for preventing wire from being crushed Technical Field The invention relates to the technical field of steel bar processing, in particular to a straightening and cutting machine for preventing wire rod from being crushed. Background The straightening cutter eliminates plastic bending deformation generated in the production and transportation processes of coiled steel bar wires through a straightening mechanism, then cuts the steel bar wires to a preset length required by engineering by a cutting mechanism, finally obtains finished steel bars with standard flatness and accurate size, the current steel bar straightening cutter mostly adopts a hydraulic straightening technology, the core of the straightening mechanism is a hydraulic-driven pressing structure, the working principle is that the whole steel bar is pressed through the pressing structure, the bending deformation of the steel bar is corrected by means of the action of the pressure, the steel bar is driven to advance by the traction mechanism, straightening and conveying are synchronously completed, and finally the cutting mechanism completes cutting. The existing hydraulic straightening technology has the defects that when a pressing structure directly presses the whole steel bar, acting force can synchronously act on a plurality of bending concave-convex parts on the steel bar, after a certain concave-convex part is pressed, other parts are easy to drive to displace, and further the parts and the pressing structure generate relative position deviation, relative sliding is caused between the parts and the pressing structure, and finally, the surface of the steel bar is damaged by indentation, scratch and the like, the existing equipment lacks a guiding limiting structure, the steel bar is easy to deviate from a preset track when entering a processing area, the straightening precision is influenced, manual real-time monitoring and adjustment are needed, the connection of each procedure depends on manual intervention, the full-flow automatic continuous operation from guiding limiting to straightening and cutting cannot be realized, and the processing efficiency is limited. Aiming at the problems, the improvement of the prior art is mainly focused on optimizing the surface finish of a pressing structure or adjusting hydraulic pressure parameters, and the fundamental problem cannot be solved, for example, part of the technologies can reduce scratches caused by part abrasion to a certain extent by adopting high-precision wear-resistant materials to manufacture the pressing part, but cannot solve the indentation problem caused by relative sliding and synchronous pressing, and other technologies attempt to adapt to steel bars with different specifications by manually fine-adjusting the hydraulic pressure, but have complicated operation and rely on the experience of operators, and are difficult to realize regulation. Therefore, the traditional hydraulic straightening technology adopted by the existing steel bar straightening cutter is easy to cause surface indentation, scratch and other damages due to relative sliding of the steel bars and the pressing structure caused by synchronous pressing, and meanwhile, the technical problems of insufficient cooperation of multiple mechanisms and the like exist. Disclosure of Invention Therefore, the invention provides a straightening cutter for preventing wire from being crushed, which effectively solves the technical problems that the surface indentation, scratch and other damages are easy to occur in the straightening process in the prior art, and the cooperation of multiple mechanisms is insufficient. In order to solve the technical problems, the invention particularly provides a straightening cutter for preventing wire from being crushed, which comprises the following technical scheme: The straightening table is provided with a working cabin; The guide structure is arranged at one side, close to the feeding port, of the working cabin and guides the steel bars fed into the working cabin; The progressive straightening piece is arranged in the working cabin and is positioned at the downstream end of the guide structure, the progressive straightening piece is provided with symmetrically arranged straightening blocks, the steel bars are positioned between the straightening blocks, and the straightening blocks initially clamp the steel bars in a point contact mode under the action of air pressure and then gradually perform rotary downward pressing to straighten the steel bars under the action of downward pressing force; The traction assembly is arranged in the working cabin and is positioned at the downstream end of the progressive straightening piece, and the traction assembly provides power for forward transportation of the reinforcing steel bars; The cutting assembly is arranged at the downstream end of the traction assembly, and periodically drives and cuts off the reinforcing steel bars; the br