Steel bar shearing machine with high safety

Abstract

The utility model discloses a steel bar cut-off machine with high safety, which comprises a base, a cutting groove is arranged in the middle of the base, two sides of the cutting groove are respectively provided with at least two first V-shaped wheels, the first V-shaped wheels are rotatably mounted on the base, clamp support frames are arranged at the positions of the first V-shaped wheels, and the upper ends of the clamp support frames are in threaded connection with pressing rods. A second V-shaped wheel is rotatably installed at the lower end of the pressing rod, a cutter supporting frame is installed at the position of the cutting groove, a cutting knife set is installed on the cutter supporting frame in a lifting mode, an observation rectangular hole is formed in the side face of the cutter supporting frame, a flame baffle is slidably installed in the observation rectangular hole facing a user in the using process, and a control handle is installed on the cutting knife set. A cutter set reset spring is arranged between the control handle and the base. Cutting sparks are shielded by arranging the flame baffle, the steel bar is clamped through the second V-shaped wheel and the first V-shaped wheel, the possibility that the steel bar is stressed and is separated from a clamp is reduced, and the safety during steel bar cutting is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cutting machines and relates to a steel bar cutting machine with high safety. Background Art

[0002] Rebar is a commonly used building material. When it is used, it needs to be cut, welded, bent, etc. to make the rebar reach the appropriate size and shape. When cutting the rebar, an abrasive cutter is usually used. When using an abrasive cutter, on the one hand, sparks will be splashed, which is more dangerous. On the other hand, when the rebar is cut, the force on the rebar changes, which can easily cause the rebar to fall out of the clamp, causing danger. Utility Model Content

[0003] In view of the above problems, the utility model provides a steel bar cutting machine with high safety, which well solves the problems in the prior art.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] A steel bar cutting machine with high safety, comprising:

[0006] A base, wherein a cutting groove is provided in the middle of the base;

[0007] First V-wheels, at least two of which are disposed on both sides of the cutting groove, and the first V-wheels are rotatably mounted on the base;

[0008] A fixture support frame, wherein the first V wheel positions are all provided with the fixture support frame;

[0009] A clamping rod, the clamping rod being threadedly connected to the upper end of the clamp support frame;

[0010] A second V-wheel, the second V-wheel is rotatably mounted on the lower end of the clamping rod, and the second V-wheel is located in the middle of the first V-wheel group on the same side;

[0011] A tool support frame, the tool support frame is installed at the cutting groove position;

[0012] A cutting knife group, the cutting knife group is installed on the knife support frame in a liftable manner;

[0013] A flame baffle, wherein a viewing rectangular hole is provided on the side of the tool support frame, and the flame baffle can be slidably mounted on the viewing rectangular hole facing the user when in use;

[0014] A control handle is installed on the cutting knife group, and a knife group reset spring is arranged between the control handle and the base.

[0015] Optionally, the fixture support frame and the tool support frame are both gantry-shaped, the first ends of the fixture support frame and the tool support frame are hinged to the base, and a quick lock is provided between the second end and the base.

[0016] Optionally, the quick-locking component includes a locking block and a locking pin, the locking block is fixedly mounted on the second end of the clamp support frame and the tool support frame, the locking pin is slidably mounted on the base, a quick-locking reset spring is arranged between the locking pin and the base, and the locking block is engaged with the locking pin after falling close to the base.

[0017] Optionally, the first end of the control handle is rotatably connected to the tool support frame, the cutting knife group is slidably connected to the control handle, and the second end of the control handle is a handheld end.

[0018] Optionally, a position indicating laser is rotatably mounted in the middle of the observation rectangular hole, and the rotation axis of the position indicating laser is parallel to the base.

[0019] Optionally, the base is slidably mounted with a length indicating laser, a scale is provided at the position of the length indicating laser along the sliding direction, and a starting point of the scale is the position indicating laser.

[0020] Optionally, a universal wheel with brake is provided at the bottom of the base.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] 1. The flame shield is set to shield the cutting sparks, and the second V wheel and the first V wheel clamp the steel bar to reduce the force change of the steel bar and the possibility of detachment from the clamp, thereby improving the safety of cutting the steel bar.

[0023] 2. Usually, the axial length of the steel bar is long. By setting a hinged clamp support frame and a tool support frame, when the steel bar is long, especially when the cutting position is far from both ends of the steel bar, it is convenient to quickly put the steel bar in from the side;

[0024] 3. The rectangular hole is the observation position for tool alignment during cutting. By setting the position indicating laser, the tool alignment process is simplified. By setting the length indicating laser, the distance between the position indicating laser and the length indicating laser is the cutting length. Move the end of the steel bar to the irradiation position of the length indicating laser to cut the set length, especially when cutting multiple equal length steel bars, it reduces the trouble of measuring marks. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0026] Figure 2 It is a structural schematic diagram of the position of the cutting knife group in an embodiment of the utility model;

[0027] Figure 3 yes Figure 2 A magnified schematic diagram of part B;

[0028] Figure 4 yes Figure 1 Enlarged schematic diagram of part A.

[0029] Reference numerals: 1, base; 11, cutting groove;

[0030] 21. First V wheel; 22. Clamp support frame; 23. Pressing rod; 24. Second V wheel;

[0031] 3. Tool support frame; 31. Observation rectangular hole; 32. Quick lock piece; 321. Locking block; 322. Locking pin; 323. Quick lock reset spring;

[0032] 41. cutting knife set; 411. grinding wheel; 412. housing; 413. fixing tube; 42. flame baffle;

[0033] 5. Control handle; 51. Knife set reset spring;

[0034] 61. Position indicating laser; 62. Length indicating laser. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] See also Figure 1 and Figure 2 , a steel bar cutting machine with high safety disclosed in an embodiment of the utility model comprises a base 1, a cutting groove 11 is provided in the middle of the base 1, at least two first V-wheels 21 are arranged on both sides of the cutting groove 11, the first V-wheel 21 is rotatably mounted on the base 1, a clamp support frame 22 is arranged at the position of the first V-wheel 21, a clamp support frame 22 is threadedly connected with a clamp rod 23 at the upper end of the clamp support frame 22, a second V-wheel 24 is rotatably mounted at the lower end of the clamp rod 23, the second V-wheel 24 is located in the middle of the first V-wheel 21 group on the same side, a tool support frame 3 is installed at the position of the cutting groove 11, a cutting tool group 41 is movably installed on the tool support frame 3, an observation rectangular hole 31 is provided on the side of the tool support frame 3, a flame baffle 42 is slidably mounted on the observation rectangular hole 31 facing the user when in use, a control handle 5 is installed on the cutting tool group 41, a tool group reset spring 51 is arranged between the control handle 5 and the base 1, the control handle 5 is used to pull the cutting tool group 41 to feed, and the tool group reset spring 51 is used to automatically reset after feeding.

[0037] Specifically, the cutting knife group 41 is installed in the tool support frame 3. The tool support frame 3 is provided with a flame shield plate 42 on the observation hole 31 facing the user. When the knife is adjusted to complete cutting, the flame shield plate 42 is pulled down to block the sparks sprayed toward the user. At the same time, the second V-wheel 24 and the first V-wheel 21 are provided to clamp the steel bar to reduce the change in the force of the steel bar and the possibility of detachment from the clamp. At the same time, the second V-wheel 24 and the first V-wheel 21 clamp the steel bar, and the steel bar can slide axially. After cutting is completed, the two sections of steel bar can be axially moved and separated to reduce the possibility of damage to the grinding wheel caused by the change in force.

[0038] In this way, the flame shield 42 is provided to shield the cutting sparks, and the second V-wheel 24 and the first V-wheel 21 clamp the steel bars, thereby reducing the possibility of the steel bars being subjected to force changes and escaping from the clamp, thereby improving the safety of cutting the steel bars.

[0039] In some feasible modes, the base 1 is in the shape of a rectangular plate, the cutting groove 11 is in the shape of a rectangular groove, the grinding wheel is fed downward during cutting, and the possibility of the grinding wheel cutting the base 1 is reduced by setting the cutting groove 11, the first V-wheel 21 and the second V-wheel 24 are both V-shaped wheels, and the V-shaped groove of the V-shaped wheel is convenient for fixing the cylindrical steel bar, the tool support frame 3 and the clamp support frame 22 are both selected to be gantry-shaped, and the observation rectangular hole 31 is opened on the two legs of the clamp support frame 22, a flame shield 42 is set on one side to prevent sparks from splashing to the operator, and the other side is used as a spark outlet;

[0040] See also Figure 2 and Figure 3 The cutting knife group 41 can be selected as a commonly used grinding wheel cutting machine knife group, which at least includes a grinding wheel 411 and a driving motor. A rectangular groove is opened at the upper end of the tool support frame 3, and sliding holes are fixedly arranged on both sides. A rectangular connecting plate is slidably installed in the sliding hole. A semicircular shell 412 is fixedly connected with bolts between the two connecting plates. The grinding wheel is rotatably installed in the shell, and the driving motor is fixedly installed on the outside of the shell. To facilitate the replacement of the grinding wheel, a thread is arranged at the end of the output end of the driving motor. A fixing tube 413 is rotatably and axially slidably installed at one end of the shell away from the driving motor. The fixing tube is threadedly connected to the output end of the driving motor, and the grinding wheel is pressed by the fixing tube. The inner or outer side of one end of the fixing tube protruding from the outside of the shell is set to a hexagon for easy tightening and disassembly by tools.

[0041] As a specific implementation of a high-safety steel bar cutting machine provided in the application, please refer to Figure 1 and Figure 4 The first ends of the fixture support frame 22 and the tool support frame 3 are hinged to the base 1 , and a quick lock 32 is provided between the second end and the base 1 .

[0042] Generally speaking, the axial length of the steel bar is usually long. By setting up the hinged clamp support frame 22 and the tool support frame 3, when the steel bar is long, especially when the cutting position is far from the two ends of the steel bar, it is convenient to quickly put the steel bar in from the side.

[0043] Furthermore, the quick-locking component 32 includes a locking block 321 and a locking pin 322. The locking block 321 is fixedly installed on the second end of the clamp support frame 22 and the tool support frame 3, and the locking pin 322 can be slidably installed on the base 1. A quick-locking return spring 323 is arranged between the locking pin 322 and the base 1. After the locking block 321 falls close to the base 1, it is locked into the locking pin 322.

[0044] It should be understood that by providing an automatic locking structure of the locking block 321 and the locking pin 322, the reinforcing bars can be quickly locked after being placed, thereby improving work efficiency.

[0045] In some feasible embodiments, the locking block 321 is a triangular block, the upper end of the locking pin 322 is an inclined surface, a rectangular block with a rectangular hole is fixedly installed on the upper end of the base 1, the locking pin 322 is inserted into the rectangular hole, and the quick lock reset spring 323 is sleeved on the outside of the locking pin 322 and the two ends are respectively fixedly connected to the locking pin 322 and the rectangular block.

[0046] As another specific implementation of a high-safety steel bar cutting machine provided by the application, please refer to Figure 1 and Figure 2 The first end of the control handle 5 is rotatably connected to the tool support frame 3, the cutting knife group 41 is slidably connected to the control handle 5, and the second end of the control handle 5 is a hand-held end.

[0047] In combination with specific usage scenarios, a fixed-point rotating control handle 5 is provided to facilitate the control of the cutting knife group 41 for feeding.

[0048] In some feasible embodiments, the control handle 5 is cylindrical, the cutting blade assembly 41 is rotatably mounted on the connecting block, and the control handle 5 slidably passes through the connecting block.

[0049] As a specific implementation of a high-safety steel bar cutting machine provided in the application, please refer to Figure 1 and Figure 4 , a position indicating laser 61 is rotatably mounted in the middle of the observation rectangular hole 31 , and the rotation axis of the position indicating laser 61 is parallel to the base 1 .

[0050] It should be understood that the observation rectangular hole 31 is the observation position for tool alignment during cutting. By setting the positioning laser 61, the positioning laser 61 is rotated during tool alignment to illuminate the steel bar. When the steel bar cutting mark position is aligned with the laser point, the tool alignment is completed, so that there is no need to control the cutting knife group 41 during tool alignment, thereby simplifying the tool alignment process.

[0051] For further information, see Figure 1 The base 1 is slidably mounted with a length indicating laser 62 , and a scale is provided along the sliding direction of the length indicating laser 62 , and the starting point of the scale is the position indicating laser 61 .

[0052] It should be understood that by setting the length indicating laser 62 so that the distance between the position indicating laser 61 and the length indicating laser 62 is the cutting length, the end of the steel bar can be moved to the irradiation position of the length indicating laser 62 to cut the set length, especially when cutting multiple steel bar segments of equal length, which reduces the trouble of measuring marks.

[0053] In some feasible embodiments, a T-slot is provided on the base 1, a T-block is slidably installed in the T-slot, and the length indicating laser 62 is rotatably installed on the T-block. To facilitate the fixation of the length indicating laser 62, the T-block can be threadedly connected with a fixing bolt, and the fixing bolt is tightened to abut the bottom surface of the T-slot.

[0054] As a specific implementation of a steel bar cutting machine with high safety provided in the application, a universal wheel with brake is arranged at the bottom of the base 1.

[0055] It should be understood that the provision of universal wheels facilitates movement.

[0056] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A steel bar cutting machine with high safety, characterized in that: include: A base, wherein a cutting groove is provided in the middle of the base; First V-wheels, at least two of which are disposed on both sides of the cutting groove, and the first V-wheels are rotatably mounted on the base; A fixture support frame, wherein the first V wheel positions are all provided with the fixture support frame; A clamping rod, the clamping rod being threadedly connected to the upper end of the clamp support frame; A second V-wheel, the second V-wheel is rotatably mounted on the lower end of the clamping rod, and the second V-wheel is located in the middle of the first V-wheel group on the same side; A tool support frame, the tool support frame is installed at the cutting groove position; A cutting knife group, the cutting knife group is installed on the knife support frame in a liftable manner; A flame baffle, wherein a viewing rectangular hole is provided on the side of the tool support frame, and the flame baffle can be slidably mounted on the viewing rectangular hole facing the user when in use; A control handle is installed on the cutting knife group, and a knife group reset spring is arranged between the control handle and the base.

2. A steel bar cutting machine with high safety according to claim 1, characterized in that: The fixture support frame and the tool support frame are both gantry-shaped, and the first ends of the fixture support frame and the tool support frame are hinged to the base, and a quick lock is arranged between the second end and the base.

3. A steel bar cutting machine with high safety according to claim 2, characterized in that: The quick-locking component includes a locking block and a locking pin. The locking block is fixedly mounted on the second end of the clamp support frame and the tool support frame. The locking pin is slidably mounted on the base. A quick-locking reset spring is arranged between the locking pin and the base. The locking block is locked into the locking pin after falling close to the base.

4. A steel bar cutting machine with high safety according to claim 1, characterized in that: The first end of the control handle is rotatably connected to the tool support frame, the cutting knife group is slidably connected to the control handle, and the second end of the control handle is a hand-held end.

5. A steel bar cutting machine with high safety according to claim 1, characterized in that: A position indicating laser is rotatably mounted in the middle of the observation rectangular hole, and the rotation axis of the position indicating laser is parallel to the base.

6. A steel bar cutting machine with high safety according to claim 5, characterized in that: The base is slidably mounted with a length indicating laser, a scale is arranged at the position of the length indicating laser along the sliding direction, and the starting point of the scale is the position indicating laser.

7. A steel bar cutting machine with high safety according to any one of claims 1 to 6, characterized in that: A universal wheel with brake is arranged at the bottom of the base.

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