Hot shearing machine

Abstract

The utility model relates to the technical field of hot shearing machines and discloses a hot shearing machine which comprises a workbench, a machine frame and a cutting mechanism, the machine frame is connected with the workbench, the top of the machine frame is connected with a hydraulic cylinder, the output end of the hydraulic cylinder is connected with a rack, the outer portion of the rack is connected with a gear in a meshed mode, and the gear is connected with the cutting mechanism in a meshed mode. And a cutting mechanism is assembled in the rack and comprises a first hot cutting blade, first trapezoidal blocks and a T-shaped sliding block, the first hot cutting blade is connected with the output end of the hydraulic cylinder, and the first trapezoidal blocks are assembled on the two sides of the output end of the hydraulic cylinder. According to the hot shearing machine, through the additionally-arranged chuck mechanism, when the cutting mechanism moves, the face, close to the cutting end face, of round steel is fixed and limited in a linkage mode, so that the round steel is protected and limited, and the round steel is prevented from moving during shearing while being prevented from being extruded and deformed; and the shearing speed and the shearing accuracy of the round steel are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hot shearing machines, in particular to a hot shearing machine. Background Art

[0002] Hot shears, also known as hot shears, are a type of equipment used to shear hot steel billets. In rolling mills, hot shears are essential key equipment for the billet opening workshop, and are mainly used for head and tail cutting, sizing, and breaking processes in small mills.

[0003] When processing forged ball raw materials, a hot shearing machine is needed to shear the round steel. The hot shearing machine in the existing technology uses heated upper and lower blades to extrude and cut the round steel, and then completes the shearing operation. However, when the round steel is hot sheared, the external force is uneven, which causes the sheared end to deform, thereby affecting the quality of the finished round steel product. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the shortcomings of the existing technology, the present invention provides a hot shearing machine to solve the technical problem that when the round steel is hot sheared, the uneven external force causes the shear end to deform, thereby affecting the quality of the finished round steel product.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a hot shearing machine, comprising: a workbench, a frame and a cutting mechanism, the frame being connected to the workbench, the top of the frame being connected to a hydraulic cylinder, the output end of the hydraulic cylinder being connected to a rack, the outside of the rack being meshed with a gear.

[0008] A cutting mechanism is assembled inside the frame, and the cutting mechanism includes a first hot cutting blade, a first trapezoidal block and a T-shaped slider. The first hot cutting blade is connected to the output end of the hydraulic cylinder, the first trapezoidal block is assembled on both sides of the output end of the hydraulic cylinder, the T-shaped slider is assembled on both sides of the top of the workbench, and both sides of the T-shaped slider are connected to the second trapezoidal block, and the outside of the T-shaped slider is connected to the second hot cutting blade.

[0009] Both sides of the top of the workbench are connected with a chuck mechanism, and the chuck mechanism is connected to the gear.

[0010] Preferably, the chuck mechanism includes a turntable, the outside of which is connected to a gear, the outside of which is connected to a guide groove plate, the outside of which is connected to a limit plate via a bearing, and the limit plate is connected to the workbench via bolts, the outside of the limit plate is evenly provided with guide transverse grooves, the inside of the guide transverse grooves is slidably connected with claws, the turntable, guide groove plate, limit plate, guide transverse groove and claw are combined to form a three-jaw chuck commonly seen in the prior art, wherein the turntable is driven by a rack and a gear, and can then move in conjunction with the cutting mechanism to improve the overall linkage of the device, and at the same time, the bottom of the claw can be driven at the top of the guide groove plate, and then cooperate with the limit plate to complete the clamping and fixation of the round steel.

[0011] Preferably, the clamping claw is slidably connected to the guide groove disk, the outside of the clamping claw is connected to a limit plate, a curved groove is provided on the top of the guide groove disk, the clamping claw is slidably connected to the curved groove, and is then driven.

[0012] Preferably, track grooves adapted to the T-shaped slider are provided on both sides of the top of the workbench, and the track grooves are connected to the T-shaped slider, and the track grooves can guide the T-shaped slider to perform linear motion.

[0013] Preferably, guide wheels are evenly distributed on the top of the workbench, and a driving motor is installed at the bottom of the guide wheels, and the guide wheels can feed and discharge the round steel by rotating.

[0014] Preferably, a spring is connected between the T-shaped slider and the track groove, and a cavity is opened inside the T-shaped slider. The spring can drive the T-shaped slider to return after movement. The cavity facilitates the loading of heating elements inside the T-shaped slider, and then drives the second hot cutting blade to realize the hot shear function on the round steel.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the present invention provides a hot shearing machine with the following beneficial effects:

[0017] This hot shearing machine uses an added cutting mechanism to synchronously shear the two sides and top of the round steel during hot shearing, thereby increasing the force-bearing area of ​​the round steel and avoiding deformation of the sheared end during hot shearing. At the same time, the added chuck mechanism can be used to fix and limit the surface near the cut end of the round steel when the cutting mechanism moves, thereby protecting and limiting the round steel, avoiding deformation due to extrusion and movement of the round steel during shearing, and greatly improving the shearing speed and accuracy of the round steel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view of the utility model;

[0019] Figure 2 This is an external schematic diagram of the cutting mechanism of the utility model;

[0020] Figure 3 This is a schematic diagram of the left side of the cutting mechanism of the utility model;

[0021] Figure 4 This is an exploded schematic diagram of the chuck mechanism of the utility model.

[0022] In the figure: 1. workbench; 11. guide wheel; 2. frame; 21. rack; 22. gear; 23. hydraulic cylinder; 3. chuck mechanism; 31. turntable; 32. guide groove plate; 33. limit plate; 34. guide transverse groove; 35. claw; 36. limit plate; 4. cutting mechanism; 41. first hot cutting blade; 42. first trapezoidal block; 43. T-shaped slider; 44. spring; 45. second trapezoidal block; 46. second hot cutting blade. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] This utility model provides a technical solution, please refer to Figure 1 and Figure 2 A hot shearing machine includes: a workbench 1, a frame 2 and a cutting mechanism 4. The frame 2 is connected to the workbench 1. The top of the frame 2 is connected to a hydraulic cylinder 23. The output end of the hydraulic cylinder 23 is connected to a rack 21. The outside of the rack 21 is meshed with a gear 22.

[0025] The workbench 1 can support the frame 2 , the chuck mechanism 3 and the cutting mechanism 4 . The frame 2 can support the hydraulic cylinder 23 . The gear 22 and the rack 21 can be driven by the hydraulic cylinder 23 .

[0026] Guide wheels 11 are evenly distributed on the top of the workbench 1, and a driving motor is installed at the bottom of the guide wheels 11. The guide wheels 11 can feed and discharge round steel by rotating.

[0027] The interior of the frame 2 is equipped with a cutting mechanism 4, which includes a first hot cutting blade 41, a first trapezoidal block 42 and a T-shaped slider 43. The first hot cutting blade 41 is connected to the output end of the hydraulic cylinder 23, and the first trapezoidal block 42 is assembled on both sides of the output end of the hydraulic cylinder 23 through a cross arm. The T-shaped slider 43 is assembled on both sides of the top of the workbench 1, and both sides of the T-shaped slider 43 are connected to the second trapezoidal block 45. The outside of the T-shaped slider 43 is connected to the second hot cutting blade 46.

[0028] The first hot cutting blade 41 and the second hot cutting blade 46 are blades commonly used in hot shearing machines in the prior art. They are equipped with heating components on the outside, which can heat the round steel at high temperature to shear. The first trapezoidal block 42 can drive the second trapezoidal block 45 to drive the T-shaped slider 43 to move, and the T-shaped slider 43 can support the second hot cutting blade 46.

[0029] Track grooves adapted to the T-shaped slider 43 are provided on both sides of the top of the workbench 1 . The track grooves are connected to the T-shaped slider 43 , and the track grooves can guide the T-shaped slider 43 to move linearly.

[0030] A spring 44 is connected between the T-shaped slider 43 and the track groove, and a cavity is opened inside the T-shaped slider 43. The spring 44 can drive the T-shaped slider 43 to return after movement. The cavity is convenient for loading the heating element inside the T-shaped slider 43, and then driving the second hot cutting blade 46 to realize the hot shearing function of the round steel.

[0031] Both sides of the top of the workbench 1 are connected to a chuck mechanism 3 , which is connected to the gear 22 .

[0032] See also Figure 3 and Figure 4 The chuck mechanism 3 includes a turntable 31, the outside of the turntable 31 is connected to the gear 22, the outside of the turntable 31 is connected to a guide groove plate 32, the outside of the turntable 31 is connected to a limit plate 33 through a bearing, and the limit plate 33 is connected to the workbench 1 by bolts, and the outside of the limit plate 33 is evenly provided with guide transverse grooves 34, and the inside of the guide transverse grooves 34 is slidably connected with claws 35. The turntable 31, the guide groove plate 32, the limit plate 33, the guide transverse groove 34 and the claws 35 are combined to form a three-jaw chuck commonly seen in the prior art, in which the turntable 31 is driven by the rack 21 and the gear 22, and then can be linked to the cutting mechanism 4 for movement, thereby improving the overall linkage of the device. At the same time, the bottom of the claw 35 can be driven at the top of the guide groove plate 32, and then cooperate with the limiting plate 36 to complete the clamping and fixation of the round steel.

[0033] The clamping claw 35 is slidably connected to the guide groove plate 32 . The outside of the clamping claw 35 is connected to a limit plate 36 . A curved groove is provided on the top of the guide groove plate 32 . The clamping claw 35 is slidably connected to the curved groove and is then driven.

[0034] In this solution, the round steel is first placed on the top of the workbench 1, and the round steel is fed through the two guide wheels 11. The round steel is driven through the chuck mechanism 3 and enters the bottom of the first hot cutting blade 41. The hydraulic cylinder 23 is started to drive the first hot cutting blade 41 to descend, and at the same time, the first trapezoidal block 42 and the rack 21 are driven to descend. The rack 21 descends and drives the gear 22 to rotate, and then drives the turntable 31 and the guide groove plate 32 to rotate, and then drives the claw 35 to drive the limit plate 36 to clamp the round steel, and the limit plate 36 can fix and limit the surface near the cutting end face, and the first trapezoidal block 42 descends. , drives the T-shaped slider 43 to transmit, and then drives the second hot cutting blade 46 to move. The second hot cutting blade 46 cooperates with the first hot cutting blade 41 to simultaneously apply force to shear the two sides and the top of the round steel, thereby increasing the force-bearing area of ​​the round steel and avoiding deformation of the shear end face when the round steel is sheared. At the same time, when the first trapezoidal block 42 drives the second trapezoidal block 45 to move, the outer straight surface fits with the straight surface of the second trapezoidal block 45, and then locks the position of the second trapezoidal block 45, thereby preventing the second trapezoidal block 45 from returning to its original position during shearing, thereby improving the stability of the second trapezoidal block 45 during shearing;

[0035] When the round steel is subjected to hot shearing processing, the added cutting mechanism 4 is used to synchronously shear the two sides and the top of the round steel, thereby increasing the force-bearing area of ​​the round steel and preventing the shear end from deforming during hot shearing. At the same time, the added chuck mechanism 3 is used to fix and limit the surface near the cut end of the round steel when the cutting mechanism 4 moves, thereby protecting and limiting the round steel, preventing the round steel from being deformed by extrusion and moving during shearing, and greatly improving the shearing speed and shearing accuracy of the round steel.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hot shearing machine comprising: A workbench (1), a frame (2) and a cutting mechanism (4), characterized in that: the frame (2) is connected to the workbench (1), the top of the frame (2) is connected to a hydraulic cylinder (23), the output end of the hydraulic cylinder (23) is connected to a rack (21), and the outside of the rack (21) is meshed with a gear (22); A cutting mechanism (4) is assembled inside the frame (2), and the cutting mechanism (4) comprises a first hot cutting blade (41), a first trapezoidal block (42) and a T-shaped slider (43); the first hot cutting blade (41) is connected to the output end of the hydraulic cylinder (23); the first trapezoidal block (42) is assembled on both sides of the output end of the hydraulic cylinder (23); the T-shaped slider (43) is assembled on both sides of the top of the workbench (1); and both sides of the T-shaped slider (43) are connected to the second trapezoidal block (45); and the outside of the T-shaped slider (43) is connected to the second hot cutting blade (46); Both sides of the top of the workbench (1) are connected to a chuck mechanism (3), and the chuck mechanism (3) is connected to a gear (22).

2. A hot shearing machine according to claim 1, characterized in that: The chuck mechanism (3) comprises a turntable (31), the outside of the turntable (31) is connected to the gear (22), the outside of the turntable (31) is connected to a guide groove plate (32), the outside of the turntable (31) is connected to a limit plate (33) via a bearing, and the limit plate (33) is connected to the workbench (1) via bolts, the outside of the limit plate (33) is evenly provided with guide transverse grooves (34), and the inside of the guide transverse grooves (34) is slidably connected to a clamping claw (35).

3. A hot shearing machine according to claim 2, characterized in that: The clamping claw (35) is slidably connected to the guide groove plate (32), and the outside of the clamping claw (35) is connected to a limit plate (36).

4. A hot shearing machine according to claim 1, characterized in that: Both sides of the top of the workbench (1) are provided with track grooves adapted to the T-shaped slider (43), and the track grooves are connected to the T-shaped slider (43).

5. The hot shearing machine according to claim 1, characterized in that: Guide wheels (11) are evenly distributed on the top of the workbench (1), and a driving motor is installed at the bottom of the guide wheels (11).

6. A hot shearing machine according to claim 4, characterized in that: A spring (44) is connected between the T-shaped slider (43) and the track groove, and a cavity is provided inside the T-shaped slider (43).

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