Cutter for installation of aluminum alloy doors and windows

Abstract

The utility model discloses a cutter for mounting aluminum alloy doors and windows. The cutter comprises an angle grinder, a hoop, a first rotating shaft and a rotating handle, the hoop is of a ring structure and is externally embedded and fixed to the periphery of the angle grinder, a threaded hole is formed in the side face of the hoop, external threads are arranged at the end of the first rotating shaft, the first rotating shaft is screwed and fixed to the side wall of the hoop through the external threads, and a rotating handle of a rod-shaped structure is rotationally matched with the first rotating shaft. One end of the rotating handle is bent at an angle larger than 90 degrees to form an occlusion handle, a second rotating shaft is fixed to each of the two sides of the occlusion handle, the two sets of second rotating shafts are coaxially arranged, a leveling block of an obtuse-angle isosceles triangular plate structure is rotationally matched with each set of second rotating shafts, the vertex angle of each leveling block is matched with the corresponding second rotating shaft, and the side, away from the occlusion handle, of the rotating handle is bent to form a kneading part; the cutting device has the beneficial effects that the cutting precision is improved, the danger during cutting is reduced, and the cutting device is diversified in function, detachable and high in adaptability.

Description

Technical Field

[0001] The utility model belongs to the technical field of aluminum alloy door and window installation, and particularly relates to a cutter for aluminum alloy door and window installation. Background Technique

[0002] When installing aluminum alloy doors and windows, due to prefabricated size problems, it is inevitable to cut and adjust some aluminum alloy door and window materials on site. Sometimes the aluminum alloy door and window materials to be cut are located at high places. Conventional cutting machines (such as a cutting machine for processing energy-saving doors and windows disclosed in the patent document of CN214349905U) are relatively heavy and inconvenient to hold, and are even more inconvenient to cut aluminum alloy door and window materials at high places. Generally, in such cases, a grinding wheel is used to cut the position to be cut. However, when using a grinding wheel to cut materials at high places, it is necessary to manually hold the aluminum alloy for cutting. This not only increases the difficulty of cutting, but also the high temperature generated during cutting may burn the workers. At the same time, because the grinding wheel lacks a clamping mechanism, during cutting, due to the vibration of the motor and the instability of the hand holding, the blade will vibrate and jump, which is extremely likely to affect the cutting accuracy, and also increases the danger during cutting. Content of the Utility Model

[0003] The purpose of the utility model is to provide a cutter for aluminum alloy door and window installation, so as to solve the technical problems that the blade vibrates and jumps due to the vibration of the motor and the instability of the hand holding in the above background technique, which is extremely likely to affect the cutting accuracy and also increases the danger during cutting.

[0004] The above technical purpose of the utility model is achieved through the following technical solutions:

[0005] A cutter for aluminum alloy door and window installation includes: a grinding wheel, a clamp, a first rotating shaft, and a rotating handle; the clamp is a ring structure, the outer part of the clamp is fixedly embedded on the outer periphery of the grinding wheel, a threaded hole is provided on the side surface of the clamp, an external thread is provided at the end of the first rotating shaft, and the first rotating shaft is screwed and fixed on the side wall of the clamp by relying on the external thread. A rod-shaped rotating handle is rotatably fitted on the first rotating shaft. One end of the rotating handle is bent at an angle greater than 90 degrees to form a biting handle. A second rotating shaft is fixedly provided on each of the two sides of the biting handle. The two groups of second rotating shafts are coaxially arranged. An obtuse isosceles triangular leveling block is rotatably fitted on each second rotating shaft. The top angle of the leveling block is fitted with the second rotating shaft. The side of the rotating handle away from the biting handle is bent to form a pinching handle.

[0006] In order to facilitate pinching the handle of the grinding wheel and the pinching handle, the pinching handle is deflected towards the central projection position of the handle of the grinding wheel to form a deflected part. After the deflection of the deflected part, the central symmetry plane of the pinching handle coincides with the central axis of the handle of the grinding wheel.

[0007] In order to prevent the leveling block from deflecting too much and causing the leveling block to lose its function, a limit column is arranged on each side of the second rotating shaft on the engaging handle.

[0008] In order to make the leveling block automatically reset after use, a torsion spring is provided between the second rotating shaft and the leveling block. Under the action of the torsion spring, when there is no external force, the bottom edge of the leveling block is parallel to the bottom surface of the engaging handle.

[0009] In order to prevent the cutting blade of the angle grinder from damaging the rotating handle and the bite handle during cutting, and also to facilitate observation of the cutting position; a cutting gap for avoiding the cutting blade of the angle grinder is provided on the rotating handle and the bite handle.

[0010] In order to form a detachable connection between the clamp and the angle grinder, the clamp is made of elastically deformable metal, and an opening gap is provided on the side of the clamp away from the first rotating shaft to form a locking gap. A protrusion away from the first rotating shaft is provided on both sides of the locking gap to form a connecting ear, and a number of locking bolts are used to lock and clamp the two groups of connecting ears.

[0011] In order to enable the utility model to be used as a floor-standing saw, a cutter for installing aluminum alloy doors and windows also includes: a floor block, the floor block is a block-shaped structure, the top of the floor block is recessed downward and is provided with an embedded position for fitting with the side of the bite handle away from the angle grinder, when the bite handle is inverted and fits in the embedded position, two groups of rods with a triangular longitudinal section of a rod-shaped structure are respectively inserted in the gaps on both sides between the leveling block and the bite handle, so that the rotation of the leveling block and the bite handle is limited, and the side of the embedded position is provided with a socket with a longitudinal section consistent with the longitudinal section of the rod, the two groups of rods are inserted into the sockets after being inserted into the gaps on both sides between the leveling block and the bite handle, and the two groups of rods are fixed on the side of the block-shaped structure away from the socket, and the limit block is fitted with the side of the leveling block adjacent to it. At this time, the plane where the long side of the leveling block is located, the floor block, and the top surface of the limit block are located in the same plane.

[0012] The landing block and the two groups of insertion rods are provided with concentric equal-diameter holes to form a first pin hole and a second pin hole respectively. A pin rod of a rod-shaped structure is horizontally inserted into the end surface of the landing block. The pin rod concentrically penetrates the first pin hole and the second pin hole, so that the sliding of the pin rod in the insertion hole is limited.

[0013] In order to facilitate the pulling and drawing of the pin rod, a push-pull rod with a thin rod structure is vertically fixed to the outer end of the pin rod.

[0014] In summary, the utility model has the following beneficial effects:

[0015] ①The cutting precision is increased, and the danger during cutting is reduced: Through the establishment of the first rotating shaft, the rotating handle, the engaging handle, the leveling block, the second rotating shaft, and the kneading handle, during use, place the cutting blade of the angle grinder against the rear of the aluminum alloy to be cut, and make the long bottom edge of the leveling block at the engaging handle contact the surface of the aluminum alloy. The leveling block can deflect appropriately around the second rotating shaft to make the leveling block fit the surface of the aluminum alloy. Observe the cutting position through the cutting blade gap and make the cutting blade gap coincide with the line to be cut; Knead the handle of the angle grinder and the kneading handle. According to the lever principle, the handle of the angle grinder drives the cutting blade to deflect through the first rotating shaft, and the leveling block pre-clamps the aluminum alloy. Then start the angle grinder to rotate, and the cutting blade of the angle grinder will cut the aluminum alloy. During cutting, continuously knead the handle of the angle grinder and the kneading handle to give the cutting blade a continuous cutting pressure towards the aluminum alloy side until the aluminum alloy is cut off. The cutting blade enters the cutting blade gap. At this time, the cutting operation of the high-altitude aluminum alloy is completed. During cutting, the blade will not shake or jump due to the vibration of the motor and the instability of hand holding, increasing the cutting precision and reducing the danger during cutting.

[0016] ②Diverse functions: Through the establishment of the floor block, when the utility model is used as an ordinary floor-mounted cutting machine, invert the engaging handle to fit it into the embedded position, insert the two groups of insertion rods into the two side gaps between the leveling block and the engaging handle respectively, and make the limiting block at the end of the insertion rod fit the side surface of the nearby leveling block. Then make the pin rod penetrate the first pin hole and the second pin hole concentrically, so that the sliding of the pin rod in the insertion hole is limited. At this time, the plane where the long side of the leveling block is located, the floor block, and the top surface of the limiting block are in the same plane, and aluminum alloy materials can be placed on this plane. At this time, the rotating handle, the engaging handle, and the kneading handle are in a fixed state. Then, by deflecting the handle of the angle grinder, under the lever principle, the cutting blade of the angle grinder deflects downward to cut the aluminum alloy material, realizing the basic function of an ordinary floor-mounted cutting machine.

[0017] ③Detachable, strong adaptability, and workers can carry fewer installation devices: Through the establishment of the detachable clamp, by loosening the locking bolt, opening the two connecting ears on the clamp, and moderately deflecting and deforming the clamp, the clamp can be removed from the angle grinder. At this time, the angle grinder can be used as an ordinary angle grinder. This detachable method can reduce the equipment carried by aluminum alloy door and window installers; At the same time, the utility model can also be adapted to different models of angle grinders for use, and only corresponding clamps of different sizes need to be adapted. When adapting the clamp, the first rotating shaft can be unscrewed from the clamp and then a new clamp can be installed. Description of the Drawings

[0018] Figure 1 is the overall structural schematic diagram of the utility model;

[0019] Figure 2 is the schematic diagram of the clamping principle of the utility model;

[0020] Figure 3 is Figure 1 The enlarged view of the structure at position A in

[0021] Figure 4 is the schematic projection structure diagram of the kneading handle and the handle of the angle grinder of the present utility model;

[0022] Figure 5 is the schematic three-dimensional structure diagram of the second embodiment of the present utility model;

[0023] Figure 6 is the schematic usage structure diagram of the second embodiment of the present utility model;

[0024] Figure 7 is the schematic exploded structure diagram of the second embodiment of the present utility model;

[0025] In the figure, 1, clamp; 2, first rotating shaft; 3, rotating handle; 4, biting handle; 5, leveling block; 6, second rotating shaft; 7, kneading handle; 8, landing block; 9, angle grinder; 10, limit post; 11, locking gap; 12, connecting ear; 13, locking bolt; 31, cutting knife gap; 71, deflecting part; 81, limit block; 82, inserting rod; 83, pin rod; 84, embedded position; 85, jack; 86, first pin hole; 87, second pin hole; 88, push-pull rod; 91, handle of angle grinder; 92, cutting blade. Specific embodiments

[0026] The present utility model will be further described in detail below with reference to the accompanying drawings. Embodiment

[0027] Please refer to Figures 1-7 , the present utility model provides a technical solution:

[0028] A cutter for installing aluminum alloy doors and windows includes: an angle grinder 9, a clamp 1, a first rotating shaft 2, and a rotating handle 3; the clamp 1 is a ring structure, the outside of the clamp 1 is fixedly embedded on the outer periphery of the angle grinder 9, a threaded hole is provided on the side surface of the clamp 1, an external thread is provided at the end of the first rotating shaft 2, and the first rotating shaft 2 is screwed and fixed on the side wall of the clamp 1 by the external thread. A rotating handle 3 with a rod-shaped structure is rotatably fitted on the first rotating shaft 2. One end of the rotating handle 3 is bent at an angle greater than 90 degrees to form a biting handle 4. A second rotating shaft 6 is fixed on each side of the biting handle 4. The two groups of second rotating shafts 6 are coaxially arranged. A leveling block 5 with an obtuse isosceles triangle structure is rotatably fitted on each second rotating shaft 6. The top angle of the leveling block 5 is fitted with the second rotating shaft 6. The side of the rotating handle 3 away from the biting handle 4 is bent to form a kneading handle 7.

[0029] In order to facilitate kneading the handle 91 of the angle grinder 9 and the kneading handle 7, as Figure 4As shown, the kneading handle 7 is deflected toward the central projection position of the angle grinder handle 91 to form a deflection portion 71 . After the deflection of the deflection portion 71 , the central symmetry plane of the kneading handle 7 coincides with the central axis of the angle grinder handle 91 .

[0030] In order to prevent the leveling block 5 from deflecting too much and causing the leveling block 5 to lose its function, a limiting column 10 is provided on each side of the second rotating shaft 6 on the engaging handle 4 .

[0031] In order to make the leveling block 5 automatically reset after use, a torsion spring is provided between the second rotating shaft 6 and the leveling block 5. Under the action of the torsion spring, when there is no external force, the bottom edge of the leveling block 5 is parallel to the bottom surface of the engaging handle 4.

[0032] In order to prevent the cutting blade 92 of the angle grinder 9 from damaging the rotating handle 3 and the engaging handle 4 during cutting, and also to facilitate observation of the cutting position, a cutting gap 31 is provided on the rotating handle 3 and the engaging handle 4 for avoiding the cutting blade 92 of the angle grinder 9.

[0033] In order to form a detachable connection between the clamp 1 and the angle grinder 9, the clamp 1 is made of elastically deformable metal, and an opening gap is provided on the side of the clamp 1 away from the first rotating shaft 2 to form a locking gap 11, and a protrusion away from the first rotating shaft 2 is provided on both sides of the locking gap 11 to form a connecting ear 12, and a plurality of locking bolts 13 are used to lock and clamp the two groups of connecting ears 12.

[0034] In order to make the utility model also be used as a floor saw, a cutter for installing aluminum alloy doors and windows also includes: a floor block 8, the floor block 8 is a block-shaped structure, the top of the floor block 8 is recessed downward and is provided with an embedded position 84 for fitting the side of the bite handle 4 away from the angle grinder 9, when the bite handle 4 is inverted and fits in the embedded position 84, two groups of rod-shaped structures with triangular longitudinal sections are respectively inserted into the gaps on both sides between the leveling block 5 and the bite handle 4, so that the leveling block 5 and the bite handle 4 can be fixed to the floor. The rotation of the handle 4 is limited, and the side of the embedded position 84 is provided with a socket 85 whose longitudinal section is consistent with the longitudinal section of the insertion rod 82. The two groups of insertion rods 82 are inserted into the socket 85 after being inserted into the gaps on both sides between the leveling block 5 and the engaging handle 4. The two groups of insertion rods 82 are fixed on a limit block 81 of a block structure on one side away from the socket 85. The limit block 81 is fitted with the side of the leveling block 5 adjacent to it. At this time, the plane where the long side of the leveling block 5 is located, the landing block 8, and the top surface of the limit block 81 are located in the same plane.

[0035] The landing block 8 and the two groups of insertion rods 82 are provided with concentric holes of equal diameter to form a first pin hole 86 and a second pin hole 87 respectively. A rod-shaped pin rod 83 is horizontally inserted into the end surface of the landing block 8. The pin rod 83 concentrically penetrates the first pin hole 86 and the second pin hole 87, so that the sliding of the pin rod 83 in the insertion hole 85 is limited.

[0036] To facilitate the pulling of the pin rod 83, a push-pull rod 88 with a thin rod structure is vertically fixed to the outer end of the pin rod 83.

[0037] Brief description of the usage process:

[0038] Example 1 (can be cut at a height or on the ground):

[0039] During use, as Figure 1 shown, place the cutting blade 92 of the angle grinder 9 against the rear of the aluminum alloy to be cut, and make the long bottom edge of the leveling block 5 at the bite handle 4 contact the surface of the aluminum alloy. The leveling block 5 can deflect appropriately around the second rotating shaft 6 to make the leveling block 5 fit the surface of the aluminum alloy. Observe the cutting position through the cutting tool gap 31 and make the cutting tool gap 31 coincide with the line to be cut (usually, a cutting mark is made on the aluminum alloy with a pen before cutting); pinch the angle grinder handle 91 and the pinch handle 7. According to the lever principle, the angle grinder handle 91 drives the cutting blade 92 to deflect through the first rotating shaft 2 and the leveling block 5 pre-clamps the aluminum alloy. Then start the angle grinder 9 to rotate. The cutting blade 92 of the angle grinder 9 will cut the aluminum alloy. During cutting, continuously pinch the angle grinder handle 91 and the pinch handle 7 to give the cutting blade 92 a continuous cutting pressure towards the aluminum alloy side until the aluminum alloy is cut off. The cutting blade 92 enters the cutting tool gap 31, and at this time, the cutting operation of the aluminum alloy at a height is completed.

[0040] Second embodiment:

[0041] When the present utility model needs to be used as an ordinary floor-mounted cutting machine, invert the bite handle 4 and fit it into the embedded position 84. Insert the two groups of plug rods 82 into the two side gaps between the leveling block 5 and the bite handle 4 respectively, and make the limiting block 81 at the end of the plug rod 82 fit the side surface of the adjacent leveling block 5. Then make the pin rod 83 penetrate through the first pin hole 86 and the second pin hole 87 concentrically, so that the sliding of the pin rod 83 in the jack 85 is limited. At this time, the plane where the long side of the leveling block 5 is located, the floor block 8, and the top surface of the limiting block 81 are in the same plane. Aluminum alloy materials can be placed on this plane. At this time, the rotating handle 3, the bite handle 4, and the pinch handle 7 are in a fixed state. Then as Figure 6 shown, by deflecting the angle grinder handle 91, under the lever principle, the cutting blade 92 of the angle grinder 9 deflects downward to cut the aluminum alloy material, realizing the basic function of an ordinary floor-mounted cutting machine.

[0042] Third embodiment:

[0043] By loosening the locking bolt 13, the two sets of connecting lugs 12 on the clamp 1 can be opened, and the clamp 1 can be moderately deflected and deformed to remove the clamp 1 from the angle grinder 9. At this time, the angle grinder 9 can be used as an ordinary angle grinder. This detachable method can reduce the equipment carried by aluminum alloy door and window installers. At the same time, the utility model can also be adapted to different models of angle grinders for use, and only the corresponding clamps 1 of different sizes need to be adapted. When adapting the clamp 1, the first rotating shaft 2 can be unscrewed from the clamp 1 and then a new clamp 1 can be installed.

[0044] This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. After reading this specification, those skilled in the art can make modifications to this embodiment without creative contributions as needed, but as long as it is within the scope of the claims of the present invention, it is protected by the patent law.

Claims

1. A cutter for installing aluminum alloy doors and windows, comprising: An angle grinder (9), a clamp (1), a first rotating shaft (2), and a rotating handle (3); the characteristics are as follows: the clamp (1) is a ring structure, the clamp (1) is externally embedded and fixed on the outer periphery of the angle grinder (9), a threaded hole is provided on the side of the clamp (1), an external thread is provided on the end of the first rotating shaft (2), the first rotating shaft (2) is screwed to the side wall of the clamp (1) by means of the external thread, a rotating handle (3) with a rod-shaped structure is rotatably matched on the first rotating shaft (2), one end of the rotating handle (3) is bent at an angle greater than ninety degrees to form a bite handle (4), a second rotating shaft (6) is fixed on each side of the bite handle (4), two groups of second rotating shafts (6) are coaxially arranged, each group of second rotating shafts (6) is rotatably matched with a leveling block (5) with an obtuse isosceles triangle plate structure, the top angle of the leveling block (5) is matched with the second rotating shaft (6), and the side of the rotating handle (3) away from the bite handle (4) is bent to form a pinching handle (7).

2. The cutter for installing aluminum alloy doors and windows according to claim 1, characterized in that: The kneading handle (7) is deflected toward the central projection position of the angle grinder handle (91) to form a deflection portion (71). After the deflection of the deflection portion (71), the central symmetry plane of the kneading handle (7) coincides with the central axis of the angle grinder handle (91).

3. The cutter for installing aluminum alloy doors and windows according to claim 1, characterized in that: A limiting column (10) is provided on each side of the second rotating shaft (6) and is arranged on the engaging handle (4).

4. The cutter for installing aluminum alloy doors and windows according to claim 3, characterized in that: A torsion spring is provided between the second rotating shaft (6) and the leveling block (5). Under the action of the torsion spring, when there is no external force, the bottom edge of the leveling block (5) is parallel to the bottom surface of the engaging handle (4).

5. The cutter for installing aluminum alloy doors and windows according to claim 1, characterized in that: The rotating handle (3) and the engaging handle (4) are provided with a cutting gap (31) for avoiding a cutting blade (92) of an angle grinder (9).

6. The cutter for installing aluminum alloy doors and windows according to claim 1, characterized in that: The clamp (1) is made of elastically deformable metal. The clamp (1) is provided with an opening gap on a side away from the first rotating shaft (2) to form a locking gap (11). Both sides of the locking gap (11) are provided with a protrusion away from the first rotating shaft (2) to form a connecting ear (12). A plurality of locking bolts (13) are used to lock and clamp the two groups of connecting ears (12).

7. The cutter for installing aluminum alloy doors and windows according to claim 1, characterized in that: The invention also comprises: a landing block (8), the landing block (8) being a block-shaped structure, the top of the landing block (8) being recessed downward and provided with an embedded position (84) for fitting with a side of the bite handle (4) away from the angle grinder (9), when the bite handle (4) is inverted and fits in the embedded position (84), two groups of rod-shaped structures having a triangular longitudinal section are respectively inserted into the gaps on both sides between the leveling block (5) and the bite handle (4), so that the rotation of the leveling block (5) and the bite handle (4) is limited, and the embedded position (84) is A plug hole (85) having a longitudinal section consistent with the longitudinal section of the plug rod (82) is provided on the side surface. The two groups of plug rods (82) are inserted into the gaps on both sides between the leveling block (5) and the bite handle (4) and then inserted into the plug hole (85). The two groups of plug rods (82) are fixed on a block-shaped structure on the side away from the plug hole (85). The limit block (81) and the side surface of the leveling block (5) adjacent thereto are fitted together. At this time, the plane where the long side of the leveling block (5) is located, the landing block (8) and the top surface of the limit block (81) are located in the same plane.

8. The cutter for installing aluminum alloy doors and windows according to claim 7, characterized in that: The landing block (8) and the two groups of insertion rods (82) are provided with concentric holes of equal diameter to form a first pin hole (86) and a second pin hole (87) respectively. A pin rod (83) of a rod-shaped structure is horizontally inserted into the end surface of the landing block (8). The pin rod (83) concentrically penetrates the first pin hole (86) and the second pin hole (87), so that the sliding of the pin rod (83) in the insertion hole (85) is limited.

9. The cutter for installing aluminum alloy doors and windows according to claim 8, characterized in that: A push-pull rod (88) with a thin rod structure is vertically fixed to the outer end of the pin rod (83).

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