Brass bar sawing device capable of preventing cutting knife from being broken

Abstract

The utility model relates to the technical field of brass rod sawing devices, in particular to a brass rod sawing device capable of preventing a cutting knife from being broken. The device comprises a base, two identical limiting blocks and a protection assembly are arranged at the upper end of the base, the limiting block on the right side is fixed to the base, an air cylinder is installed on one side of the base, the limiting block on the left side is fixed to the output end of the air cylinder, a sliding rail is arranged on the front face of the base, a screw is arranged on the inner wall of the sliding rail, and the protection assembly is arranged on the sliding rail. The device solves the problems that due to the fact that a cutting blade is installed in an installation cover and fixed to a rotating shaft through a hexagon nut, teeth on the cutting blade are abraded after the cutting blade cuts a brass rod for multiple times, the cutting blade needs to be replaced, and the cutting efficiency is high. The problems that the hexagon nut is located in the installation cover, the space is narrow, a wrench cannot well screw the hexagon nut, the time for loosening the hexagon nut is prolonged, and then the replacement efficiency of the cutting blade is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of brass rod sawing devices, in particular to a brass rod sawing device capable of preventing a cutting knife from breaking. Background Art

[0002] The brass rod sawing device is a machine used for sawing brass rods. The brass rod sawing device consists of a base, a limit block, a cylinder, an extrusion block, a slide rail, a screw, a movable table, a mounting cover, a motor unit, a cutting disc, and a rotating shaft. When using the brass rod sawing device to cut the brass rod, the brass rod is placed on one side of the limit block on the base, the cylinder is started, so that the extrusion block squeezes the brass rod, the motor two is started, the rotating shaft rotates, and the cutting disc in the mounting cover rotates, and the motor one is started at the same time, so that the screw in the slide rail rotates, thereby the movable table moves, and then the brass rod is cut.

[0003] The inventor discovered in his daily work that when the brass rod sawing device is in use, since the cutting disc is installed in the mounting cover and the cutting disc is fixed to the rotating shaft with a hexagonal nut, the teeth on the cutting disc will be worn after cutting the brass rod multiple times, and the cutting disc needs to be replaced. Since the hexagonal nut is located in a small space inside the mounting cover, the wrench cannot be turned well, which increases the time to loosen the hexagonal nut, thereby affecting the efficiency of replacing the cutting disc. Utility Model Content

[0004] The utility model aims to solve the problem that in actual use, since the cutting disc is installed in the mounting cover and the cutting disc is fixed to the rotating shaft by the hexagonal nut, after the cutting disc cuts the brass rod multiple times, the teeth on the cutting disc will be worn, and then the cutting disc needs to be replaced; since the hexagonal nut is located in the narrow space inside the mounting cover, the wrench cannot be turned well, thereby increasing the time to loosen the hexagonal nut, thereby affecting the replacement efficiency of the cutting disc, and a brass rod sawing device that prevents the cutting knife from breaking is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a brass rod sawing device for preventing cutting knife from breaking, comprising a base, wherein two identical limit blocks and a protective assembly are arranged on the upper end of the base, the limit block on the right side is fixed to the base, a cylinder is installed on one side of the base, and the limit block on the left side is fixed to the output end of the cylinder, a slide rail is provided on the front side of the base, a screw is arranged on the inner wall of the slide rail, a motor 1 is installed on the right side of the base, a moving platform is slidably connected to the inner wall of the slide rail, a mounting cover is fixedly connected to the upper end of the moving platform, the output end of the motor 1 is fixed to the screw, and the inner wall of the mounting cover is fixed to the inner wall of the mounting cover. The side is rotatably connected with a rotating shaft, the right end of the mounting cover is installed with a second motor, the arc surface of the rotating shaft is provided with a cutting blade, and the cutting blade is fixed to the rotating shaft by means of a hexagonal nut, and the inner wall of the mounting cover is provided with a disassembly component, and the disassembly component includes a mounting groove 1 opened on one side of the inner wall of the mounting cover, and the inner wall of the mounting groove 1 is slidably inserted with a holed operating rod, the right end of the holed operating rod is provided with a grooved hexagonal block, the grooved hexagonal block is adapted to the hexagonal nut, and the left side of the grooved hexagonal block is provided with a mounting groove 2, the holed operating rod is rotatably connected with the grooved hexagonal block, and a limiting mechanism is provided between the holed operating rod and the grooved hexagonal block.

[0006] The effect achieved by the above components is: by setting up a disassembly assembly, when it is necessary to replace the cutting disc and disassemble the hexagonal nut on the rotating shaft, the operating rod with a hole and the hexagonal block with a groove are fixed by a limiting mechanism, and then the hexagonal block with a groove is inserted into the hexagonal nut. At this time, the operating rod with a hole is turned to make the operating rod with a hole move in the installation groove, thereby conveniently and quickly disassembling the hexagonal nut on the rotating shaft and improving replacement efficiency.

[0007] Preferably, the limiting mechanism comprises a plurality of evenly distributed operating grooves formed on the arc surface of the operating rod with a hole, the inner wall of the operating groove is slidably connected with a latch, and the latch is inserted into the hexagonal block with the groove.

[0008] The effect achieved by the above components is: the latch in the operating slot is inserted into the hexagonal block with slots, so that the operating rod with holes is fixed to the second installation slot, so that the operating rod with holes and the operating rod with holes are fixed.

[0009] Preferably, a spring is fixedly connected to the lower end of the latch, and the other end of the latch is fixed to an operating rod with a hole.

[0010] The effect achieved by the above components is: the latch is reset by arranging a spring.

[0011] Preferably, a pull rope is fixedly connected to the lower end of the latch, the pull rope passes through the operating rod with a hole, and the other end of the pull rope is fixedly connected to a pull cover.

[0012] The effect achieved by the above components is: by setting the pull cover and the pull rope, the movement of the latch is controlled.

[0013] Preferably, an inner wall of the grooved hexagonal block is provided with an inclined surface, and the hexagonal nut slides onto the grooved hexagonal block with the aid of the inclined surface.

[0014] The effect achieved by the above components is: when the slotted operating rod and the slotted hexagonal block are in rotational connection, when the slotted hexagonal block and the hexagonal nut are in contact, the slotted operating rod is pushed through the inclined surface to rotate the slotted hexagonal block, thereby clamping the hexagonal nut into the slotted hexagonal block.

[0015] Preferably, the protection component comprises a circular groove opened on one side of the limiting block, and the inner wall of the circular groove is rotatably connected to a roller.

[0016] The effect achieved by the above components is: when it is necessary to prevent the brass rod from being cut and broken, the brass rod is placed on the roller and rotated, so that the cutting blade cuts to the center of the brass rod, and the brass rod is cut, thereby avoiding the brass rod from being broken due to the cutting blade cutting too deeply.

[0017] Preferably, a motor three is installed on the front side of the limit block, and the output end of the motor three is fixed to the roller.

[0018] The effects achieved by the above components are: starting motor three causes the driving roller to rotate.

[0019] Preferably, an auxiliary groove is provided at the upper end of the base, and a circular block is rotatably connected to the inner wall of the auxiliary groove.

[0020] The effect achieved by the above components is that the auxiliary groove and the circular block are provided to assist the rotation of the brass rod.

[0021] In summary, the beneficial effects of the utility model are:

[0022] The utility model discloses a disassembly assembly is provided, when the hexagonal nut on the rotating shaft needs to be replaced by the cutting disc, the operating rod with a hole and the hexagonal block with a groove are fixed by the limiting mechanism, and then the hexagonal block with a groove is inserted into the hexagonal nut, and the operating rod with a hole is turned at this time to make the operating rod with a hole move in the mounting groove, so that the hexagonal nut on the rotating shaft can be disassembled conveniently and quickly, and the replacement efficiency is improved, and the problem that the cutting disc is installed in the mounting cover and the cutting disc is fixed to the rotating shaft with the hexagonal nut, and the teeth on the cutting disc are worn after cutting the brass rod many times, so that the cutting disc needs to be replaced, and the hexagonal nut is located in a narrow space inside the mounting cover, so that the wrench cannot be turned well, thereby increasing the time to loosen the hexagonal nut, and thus affecting the replacement efficiency of the cutting disc. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 This is a three-dimensional structural diagram of the installation cover of the utility model;

[0025] Figure 3 For this utility model Figure 2 A is an enlarged schematic diagram of the three-dimensional structure;

[0026] Figure 4 It is a three-dimensional structural schematic diagram of the protective component of the utility model.

[0027] Legend: 1. Base; 2. Disassembly assembly; 3. Protection assembly; 4. Limit block; 5. Cylinder; 6. Slide rail; 7. Screw; 8. Motor one; 9. Moving table; 10. Mounting cover; 11. Cutting blade; 12. Motor two; 13. Rotating shaft; 21. Mounting slot one; 22. Operating lever with hole; 23. Hexagonal block with slot; 24. Mounting slot two; 25. Limit mechanism; 251. Operating slot; 252. Latch; 253. Spring; 254. Pull rope; 255. Pull cover; 26. Inclined surface; 31. Circular slot; 32. Roller; 33. Motor three; 34. Auxiliary slot; 35. Circular block. DETAILED DESCRIPTION

[0028] Reference Figure 1 and Figure 2 As shown, the utility model provides a technical solution: a brass rod sawing device for preventing a cutting knife from breaking comprises a base 1, the upper end of the base 1 is provided with two identical limit blocks 4 and a protective assembly 3, the right limit block 4 and the base 1 are fixed, a cylinder 5 is installed on one side of the base 1, and the output end of the left limit block 4 and the cylinder 5 is fixed, a slide rail 6 is opened on the front of the base 1, a screw 7 is arranged on the inner wall of the slide rail 6, a motor 1 8 is installed on the right side of the base 1, a moving platform 9 is slidably connected to the inner wall of the slide rail 6, a mounting cover 10 is fixedly connected to the upper end of the moving platform 9, the output end of the motor 1 8 is fixed to the screw 7, a rotating shaft 13 is rotatably connected to one side of the inner wall of the mounting cover 10, a motor 2 12 is installed on the right end of the mounting cover 10, a cutting blade 11 is arranged on the arc surface of the rotating shaft 13, the cutting blade 11 is fixed to the rotating shaft 13 by means of a hexagonal nut, and a disassembly assembly 2 is arranged on the inner wall of the mounting cover 10.

[0029] The specific settings and functions of the disassembly component 2 and the protection component 3 are described in detail below.

[0030] Reference Figure 2 and Figure 3As shown, in this embodiment: the disassembly component 2 includes a mounting groove 1 21 provided on one side of the inner wall of the mounting cover 10, the inner wall of the mounting groove 1 21 is slidably inserted with a hole operating rod 22, the right end of the hole operating rod 22 is provided with a grooved hexagonal block 23, the grooved hexagonal block 23 is adapted to the hexagonal nut, and the left side of the grooved hexagonal block 23 is provided with a mounting groove 24, the hole operating rod 22 is rotatably connected to the grooved hexagonal block 23, and a limiting mechanism 25 is provided between the hole operating rod 22 and the grooved hexagonal block 23. By setting the disassembly component 2, when it is needed When replacing the cutting disc 11 and disassembling the hexagonal nut on the rotating shaft 13, the operating rod 22 with a hole and the hexagonal block 23 with a groove are fixed by the limiting mechanism 25, and then the hexagonal block 23 with a groove is inserted into the hexagonal nut. At this time, the operating rod 22 with a hole is twisted to make the operating rod 22 with a hole move in the installation groove 1 21, so that the hexagonal nut on the rotating shaft 13 can be disassembled quickly and conveniently, and the replacement efficiency is improved. The limiting mechanism 25 includes a plurality of uniformly distributed operating grooves 251 provided on the arc surface of the operating rod 22 with a hole, and the inner wall of the operating groove 251 is slidably connected with a latch 252 The latch 252 is inserted into the hexagonal block 23 with a groove, and the latch 252 in the operating groove 251 is inserted into the hexagonal block 23 with a groove, so that the operating rod 22 with a hole is fixed to the installation groove 24, so that the operating rod 22 with a hole and the operating rod 22 with a hole are fixed, and the lower end of the latch 252 is fixedly connected with a spring 253, and the other end of the latch 252 is fixed with the operating rod 22 with a hole. By setting the spring 253, the latch 252 is reset, and the lower end of the latch 252 is fixedly connected with a pull rope 254, and the pull rope 254 passes through the operating rod 22 with a hole, and the pull rope 254 is pulled. The other end of the rope 254 is fixedly connected with a pull cover 255. By setting the pull cover 255 and the pull rope 254, the pull cover 255 is pulled to control the movement of the pin 252. The inner wall of the grooved hexagonal block 23 is provided with an inclined surface 26. The hexagonal nut slides to the grooved hexagonal block 23 with the help of the inclined surface 26. When the grooved operating rod and the grooved hexagonal block 23 are in rotational connection, when the grooved hexagonal block 23 and the hexagonal nut are in contact, the grooved operating rod is pushed through the inclined surface 26 to rotate the grooved hexagonal block 23, thereby inserting the hexagonal nut into the grooved hexagonal block 23.

[0031] Reference Figure 4 As shown, in this embodiment: the protection component 3 includes a circular groove 31 opened on one side of the limit block 4, and the inner wall of the circular groove 31 is rotatably connected to a roller 32. When it is necessary to prevent cutting to fracture, the brass rod is placed on the roller 32 and rotated, so that the cutting blade 11 cuts to the center of the brass rod, and the brass rod is cut, thereby avoiding fracture caused by the cutting blade 11 cutting the brass rod too deeply. A motor 33 is installed on the front of the limit block 4, and the output end of the motor 33 is fixed to the roller 32. The motor 33 is started to drive the roller 32 to rotate. An auxiliary groove 34 is opened at the upper end of the base 1, and the inner wall of the auxiliary groove 34 is rotatably connected to a circular block 35. By setting the auxiliary groove 34 and the circular block 35, the rotation of the brass rod is assisted.

[0032] Working principle:

[0033] When using the brass rod sawing device to cut the brass rod, the brass rod is placed on one side of the limit block 4 on the base 1, the cylinder 5 is started, so that the extrusion block squeezes the brass rod, the motor 2 12 is started, the shaft 13 is rotated, and the cutting blade 11 in the mounting cover 10 is rotated, and the motor 1 8 is started at the same time, so that the screw 7 in the slide rail 6 is rotated, so that the moving platform 9 is moved, and then the brass rod is cut. When the cutting blade 11 needs to be replaced and the hexagonal nut on the shaft 13 is removed, the operating rod 22 with a hole and the hexagonal block 23 with a groove are fixed by the limiting mechanism 25, and then the hexagonal block 23 with a groove is inserted into the hexagonal nut. At this time, the operating rod 22 with a hole is twisted to make the operating rod 22 with a hole move in the mounting groove 1 21, so that the hexagonal nut of the shaft 13 can be removed quickly and conveniently, and the replacement efficiency is improved. The pin 252 in the operating groove 251 is inserted into the hexagonal block 23 with a groove, so that the operating rod 22 with a hole is fixed. The second mounting groove 24 is fixed to fix the operating rod 22 with a hole and the operating rod 22 with a hole. The spring 253 is set to reset the latch 252. The pull cover 255 and the pull rope 254 are set to pull the pull cover 255 to control the movement of the latch 252. When the slotted operating rod and the slotted hexagonal block 23 are in rotational connection, when the slotted hexagonal block 23 and the hexagonal nut are in contact, the slotted operating rod is pushed through the inclined surface 26 to rotate the slotted hexagonal block 23, so that the hexagonal nut is stuck into the slotted hexagonal block 23. When it is necessary to prevent cutting from breaking, the brass rod is placed on the roller 32 and rotated, so that the cutting blade 11 cuts to the center of the brass rod, and the brass rod can be cut, thereby avoiding the cutting blade 11 cutting the brass rod too deep and causing it to break. The motor three 33 is started to drive the roller 32 to rotate, and the auxiliary groove 34 and the circular block 35 are set to assist the rotation of the brass rod.

[0034] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model. In the description of the utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood by specific circumstances.

Claims

1. A brass rod sawing device for preventing a cutting blade from breaking, comprising a base (1), characterized in that: Two identical limit blocks (4) and a protective assembly (3) are arranged at the upper end of the base (1); the limit block (4) and the base (1) are fixed on the right side; a cylinder (5) is installed on one side of the base (1); the output ends of the limit block (4) and the cylinder (5) are fixed on the left side; a slide rail (6) is provided on the front of the base (1); a screw rod (7) is arranged on the inner wall of the slide rail (6); a motor 1 (8) is installed on the right side of the base (1); a moving platform (9) is slidably connected to the inner wall of the slide rail (6); a mounting cover (10) is fixedly connected to the upper end of the moving platform (9); the output end of the motor 1 (8) is fixed to the screw rod (7); a rotating shaft (13) is rotatably connected to one side of the inner wall of the mounting cover (10); a motor 2 (12) is installed on the right end of the mounting cover (10); The arc surface of the rotating shaft (13) is provided with a cutting blade (11), and the cutting blade (11) is fixed to the rotating shaft (13) by means of a hexagonal nut. The inner wall of the mounting cover (10) is provided with a disassembly assembly (2), and the disassembly assembly (2) comprises a mounting groove 1 (21) provided on one side of the inner wall of the mounting cover (10). The inner wall of the mounting groove 1 (21) is provided with a perforated operating rod (22) slidably inserted, and the right end of the perforated operating rod (22) is provided with a hexagonal block with a groove (23), and the hexagonal block with a groove (23) is matched with the hexagonal nut. The left side of the hexagonal block with a groove (23) is provided with a mounting groove 2 (24), and the perforated operating rod (22) is rotatably connected to the hexagonal block with a groove (23), and a limiting mechanism (25) is provided between the perforated operating rod (22) and the hexagonal block with a groove (23).

2. A brass rod sawing device for preventing the cutting blade from breaking according to claim 1, characterized in that: The limiting mechanism (25) comprises a plurality of evenly distributed operating grooves (251) formed on the arc surface of the operating rod (22) with a hole, the inner wall of the operating groove (251) being slidably connected with a latch (252), and the latch (252) being inserted into the hexagonal block (23) with a groove.

3. A brass rod sawing device for preventing the cutting blade from breaking according to claim 2, characterized in that: The lower end of the latch (252) is fixedly connected to a spring (253), and the other end of the latch (252) is fixed to a perforated operating rod (22).

4. A brass rod sawing device for preventing the cutting blade from breaking according to claim 3, characterized in that: The lower end of the latch (252) is fixedly connected to a pull rope (254), the pull rope (254) passes through the operating rod (22) with a hole, and the other end of the pull rope (254) is fixedly connected to a pull cover (255).

5. A brass rod sawing device for preventing the cutting blade from breaking according to claim 4, characterized in that: The inner wall of the grooved hexagonal block (23) is provided with an inclined surface (26), and the grooved hexagonal block (23) slides onto the grooved hexagonal block (23) by means of the inclined surface (26).

6. A brass rod sawing device for preventing the cutting blade from breaking according to claim 5, characterized in that: The protection component (3) comprises a circular groove (31) formed on one side of the limiting block (4), and a roller (32) is rotatably connected to the inner wall of the circular groove (31).

7. A brass rod sawing device for preventing the cutting blade from breaking according to claim 6, characterized in that: A motor three (33) is installed on the front side of the limit block (4), and the output end of the motor three (33) is fixed to the roller (32).

8. A brass rod sawing device for preventing the cutting blade from breaking according to claim 7, characterized in that: An auxiliary groove (34) is provided at the upper end of the base (1), and a circular block (35) is rotatably connected to the inner wall of the auxiliary groove (34).

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