CN214394846U - Portable cutting device for aerated concrete building blocks - Google Patents
Portable cutting device for aerated concrete building blocks Download PDFInfo
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- CN214394846U CN214394846U CN202022741767.3U CN202022741767U CN214394846U CN 214394846 U CN214394846 U CN 214394846U CN 202022741767 U CN202022741767 U CN 202022741767U CN 214394846 U CN214394846 U CN 214394846U
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Abstract
The invention discloses a portable cutting device for aerated concrete blocks, which solves the problems of serious material waste and poor cutting quality in the field cutting of the existing aerated concrete blocks. The utility model discloses a building block cutting machine, including rectangle base plate (1), be connected with pedal hyoplastron (2) and shape support (3) of falling L on rectangle base plate (1), on the horizontal cantilever in top of shape support (3) of falling L, be provided with a pair of supporting bearing (5) of gear center pin, in a pair of supporting bearing (5) of gear center pin, be provided with the gear, on the horizontal cantilever in top of the left shape support (3) of falling L of gear, the activity has passed rack (7), rack (7) meshing is on the gear, be connected with building block cutting upper blade (8) at the lower extreme of rack (7), outside the end at the gear shaft, be connected with the rotatory manual rocker (19) of gear, activity is provided with building block cutting location lower blade (16) on the top face of rectangle base plate (1). The cutting processing of the building blocks with special shape requirements is realized.
Description
Technical Field
The invention relates to a tool used in civil engineering construction, in particular to a device used in secondary structure wall construction of a high-rise building for quickly and accurately cutting aerated concrete blocks.
Background
The autoclaved aerated concrete block is a novel light porous building material, has the characteristics of light volume weight, high heat preservation efficiency, good sound insulation effect and environmental protection compared with the traditional organic red brick, and is widely applied to secondary structure filler walls; in the field building process of the filler wall, the aerated concrete blocks are frequently required to be cut on site, and in some special occasions, the blocks are required to be cut at special angles so as to meet the space building requirements of different sizes of the filler wall; the prior art of aerated block cutting is: an operator firstly saws a cutting groove on the gas adding block by a saw, and then, a construction axe is used for cutting and chopping the groove on the block to complete the cutting and forming of the block; in the chopping process, the cut building blocks are inaccurate in size and cannot be used, so that a great amount of waste of the cut building blocks is caused; in addition, as the aerated building blocks are large in size and heavy in weight, the manual chopping operation method has the defects of time and labor waste; during chopping, fragments which are easy to splash are easy to generate, and nearby construction personnel are easy to hurt; the field urgently needs to develop a simple cutting tool which is portable and easy to operate, and particularly can accurately cut building blocks at various angles required by the field.
Disclosure of Invention
The invention provides a portable cutting device for aerated concrete blocks, which solves the technical problems of serious material waste and poor cutting quality in the field cutting of the existing aerated concrete blocks.
The invention solves the technical problems by the following technical scheme:
the general concept of the invention is: the aerated concrete block cutting device is convenient to carry, assemble on site and disassemble, marking off of block cutting, machining of a cutting groove and implementation of cutting actions are completed on the aerated concrete block cutting device in a unified mode, accurate positioning of a cutting position is achieved through a straight line and a circular graduated scale on the aerated concrete block cutting device, a cutting tool is installed on a rack of a meshed gear-rack mechanism, accurate marking of the block by the rack is achieved through rotation of a gear, and particularly various inclined blocks are machined.
A portable cutting device for aerated concrete blocks, which comprises a rectangular base plate and an inverted L-shaped bracket, the center of the front side vertical surface of the rectangular base plate is connected with a pedal tongue plate, the center of the rear side vertical surface of the rectangular base plate is connected with an inverted L-shaped bracket, a pair of supporting bearings of a gear central shaft are arranged on a horizontal cantilever at the top end of the inverted L-shaped bracket, a gear is arranged in a pair of supporting bearings of a central shaft of the gear, a rack is arranged on a horizontal cantilever at the top end of an inverted L-shaped bracket at the left side of the gear and passes through a through hole along the vertical direction, a rack is movably penetrated in the through hole and meshed with the gear, the lower end of the rack is connected with a building block cutting upper blade, the outer side end of the gear shaft is connected with a gear rotating manual rocker, and a length measuring ruler in the horizontal direction is arranged on an upright post of the inverted L-shaped bracket; a building block cutting and positioning lower blade is movably arranged on the top end surface of the rectangular base plate.
The top end face of the rectangular base plate (1) is movably provided with a plug-in type circular disc, the plug-in type circular disc is fixedly connected to the top end face of the rectangular base plate in a plug-in mode through a connecting pin in a plug-in mode, a long-strip-shaped rotating table is arranged on the plug-in type circular disc, a center rotating bearing is arranged at the center of the long-strip-shaped rotating table, a supporting shaft is arranged at the center of the top end face of the plug-in type circular disc, the long-strip-shaped rotating table is movably sleeved on the supporting shaft through the center rotating bearing, a building block cutting positioning lower blade is obliquely and movably arranged on the top end face of the long-strip-shaped rotating table, and a measuring scale of the rotating angle of the long-strip-shaped rotating table is arranged on an excircle of the top end face of the plug-in type circular plate.
Rollers are arranged on the top end surface of the long strip-shaped rotating platform at equal intervals, and cut building blocks are placed on the rollers.
A method for quickly and accurately cutting aerated concrete blocks on site comprises a portable cutting device and an inserting circular disc, wherein the portable cutting device consists of a rectangular base plate and an inverted L-shaped support, a pedal tongue plate is connected to the center of a front vertical surface of the rectangular base plate, a gear and rack meshing mechanism is arranged on a horizontal cantilever at the top end of the inverted L-shaped support, a block cutting upper blade is connected to the lower end of a rack, a gear rotating manual rocker is connected to the outer side end of a gear shaft, and a horizontal direction length measuring ruler is arranged on a stand column of the inverted L-shaped support; the plug-in type round plate is provided with a strip-shaped rotating platform, a central rotating bearing is arranged at the center of the strip-shaped rotating platform, a supporting shaft is arranged at the center of the top end face of the plug-in type round plate, the strip-shaped rotating platform is movably sleeved on the supporting shaft through the central rotating bearing, a building block cutting and positioning lower blade is movably arranged on the top end face of the strip-shaped rotating platform, and a measuring scale of the rotating angle of the strip-shaped rotating platform is arranged on the excircle of the top end face of the plug-in type round plate; the method is characterized in that:
if the cut cuboid building block is cut into short sections, the method comprises the following steps:
firstly, placing a cut building block on a rectangular base plate of a portable cutting device, measuring a ruler through the length in the horizontal direction, and marking a cutting line on the building block;
secondly, moving the position of the cut building block, and rotating a manual rocker by a manual rotating gear to align an upper cutting blade of the building block with a cutting line marked on the building block;
thirdly, slowly and manually rotating the gear to rotate the manual rocker so that the upper cutting blade of the building block cuts an upper cutting groove on the cutting block along the cutting line;
fourthly, turning over the building block, repeating the second step and the third step, and cutting a lower cutting groove on the back of the cutting block;
fifthly, rotating the manual rocker by the reverse rotation gear to enable the upper blade for cutting the building block to be lifted by a certain height;
sixthly, firmly fixing the portable cutting device by treading the pedal tongue plate, and placing a building block cutting and positioning lower blade between the upper cutting groove and the rectangular base plate; then, rapidly rotating the gear forward to rotate the manual rocker, so that the upper cutting blade of the building block is chopped in the lower cutting groove cut on the building block, and the building block is cut into two pieces under the corresponding action of the upper cutting blade of the building block and the lower cutting blade of the building block cutting positioning;
if, when carrying out the inclination angle cutting to cuboid building block, its step is as follows:
firstly, connecting a plug-in type circular disc to the top end surface of an inverted rectangular base plate;
secondly, placing the cut building blocks on a strip-shaped rotating table, and respectively marking cutting oblique lines on the upper surface and the lower surface of the cut building blocks through the matching of a length measuring ruler in the horizontal direction and a measuring scale of a rotating angle;
thirdly, moving the position of the cut building block, and manually rotating a gear to rotate a manual rocker to align a cutting upper blade of the building block with a cutting oblique line marked on the building block;
fourthly, slowly and manually rotating the gear to rotate the manual rocker so that the building block cutting upper blade cuts an upper cutting inclined groove on the building block along a cutting inclined line;
fifthly, turning over the cut building block, repeating the third step and the fourth step, and cutting a lower cutting inclined groove on the back surface of the building block;
sixthly, rotating the gear reversely to rotate the manual rocker so that the upper blade for cutting the building block rises by one height and then stops;
and seventhly, firmly fixing the portable cutting device by treading the pedal tongue plate, placing a building block cutting and positioning lower blade between the upper cutting groove and the strip-shaped rotating table, then rapidly rotating the gear forward to rotate the manual rocker, so that the building block cutting upper blade is chopped in a lower cutting inclined groove cut on the building block, and cutting the building block to obtain the inclined block-shaped building block required by site building.
The invention has small volume, light weight, flexible movement, simple operation and accurate cutting size, and is particularly suitable for building secondary structure walls with complex structures, irregular internal spaces and more size changes of wall bodies, thereby realizing the cutting processing of building blocks with special shape requirements.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention in the configuration for cutting the angle of inclination block;
FIG. 3 is a schematic view of the insertion type circular disk 10 and the elongated rotary table 14 thereon;
figure 4 is a schematic view of the construction of the cut block 20 of the present invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a portable cutting device for aerated concrete blocks comprises a rectangular base plate 1 and an inverted L-shaped bracket 3, wherein a pedal tongue plate 2 is connected to the center of the front vertical surface of the rectangular base plate 1, the inverted L-shaped bracket 3 is connected to the center of the rear vertical surface of the rectangular base plate 1, a pair of support bearings 5 with a gear central shaft are arranged on a horizontal cantilever at the top end of the inverted L-shaped bracket 3, a gear is arranged in the pair of support bearings 5 with the gear central shaft, a rack through hole 6 is further arranged on the horizontal cantilever at the top end of the inverted L-shaped bracket 3 at the left side of the gear along the vertical direction, a rack 7 movably penetrates through the rack through hole 6, the rack 7 is meshed on the gear, an upper block cutting blade 8 is connected to the lower end of the rack 7, a gear rotating manual rocker 19 is connected to the outer side end of the gear shaft, and a stand column of the inverted L-shaped bracket 3, a length measuring ruler 4 in the horizontal direction is arranged; a block cutting and positioning lower blade 16 is movably arranged on the top end surface of the rectangular base plate 1.
The top end face of the rectangular base plate 1 is movably provided with a plug-in type circular disc 10, the plug-in type circular disc 10 is fixedly connected to the top end face of the rectangular base plate 1 in a plug-in type through a connecting pin 9, the plug-in type circular disc 10 is provided with a long strip-shaped rotating table 14, the center of the long strip-shaped rotating table 14 is provided with a center rotating bearing 13, the center of the top end face of the plug-in type circular disc 10 is provided with a support shaft 12, the long strip-shaped rotating table 14 is movably sleeved on the support shaft 12 through the center rotating bearing 13, the top end face of the long strip-shaped rotating table 14 is provided with a building block cutting and positioning lower blade 16 in an inclined and movable mode, and the outer circle of the top end face of the plug-in type circular plate 10 is provided with a measuring scale 11 of the rotating angle of the long strip-shaped rotating table 14.
A method for quickly and accurately cutting aerated concrete blocks on site comprises a portable cutting device and an inserting type circular disc 10, wherein the portable cutting device consists of a rectangular base plate 1 and an inverted L-shaped support 3, a pedal tongue plate 2 is connected to the center of the front side vertical surface of the rectangular base plate 1, a gear rack 7 meshing mechanism is arranged on a horizontal cantilever at the top end of the inverted L-shaped support 3, a block cutting upper blade 8 is connected to the lower end of the gear rack 7, a gear rotating manual rocker 19 is connected to the outer side end of a gear shaft, and a length measuring ruler 4 in the horizontal direction is arranged on an upright post of the inverted L-shaped support 3; a strip-shaped rotating platform 14 is arranged on the plug-in type circular disc 10, a central rotating bearing 13 is arranged at the center of the strip-shaped rotating platform 14, a supporting shaft 12 is arranged at the center of the top end face of the plug-in type circular disc 10, the strip-shaped rotating platform 14 is movably sleeved on the supporting shaft 12 through the central rotating bearing 13, a building block cutting and positioning lower blade 16 is movably arranged on the top end face of the strip-shaped rotating platform 14, and a measuring graduated scale 11 of the rotating angle of the strip-shaped rotating platform 14 is arranged on the excircle of the top end face of the plug-in type circular plate 10; the method is characterized in that:
if the cut block 20 in the rectangular parallelepiped shape is cut into short pieces, the steps are as follows:
firstly, placing a cut building block on a rectangular base plate 1 of a portable cutting device, measuring a straight ruler 4 through the length in the horizontal direction, and marking a cutting line on the building block 20;
secondly, moving the position of the cut building block 20, and manually rotating the gear to rotate the manual rocker 19 to align the upper cutting blade 8 of the building block with the cutting line marked on the building block 20;
thirdly, slowly and manually rotating the gear to rotate the manual rocker 19, so that the building block cutting upper blade 8 cuts an upper cutting groove 17 on the cutting block along the cutting line;
fourthly, turning over the building block 20, repeating the second step and the third step, and cutting a lower cutting groove 18 on the back of the cutting block 20;
fifthly, rotating the gear in the reverse direction to rotate the manual rocker 19, so that the upper cutting blade 8 of the building block is lifted by a certain height;
sixthly, the portable cutting device is firmly fixed by treading the pedal tongue plate 2, and a building block cutting and positioning lower blade 16 is placed between the upper cutting groove 17 and the rectangular base plate 1; then, the gear is rapidly rotated in the positive direction to rotate the manual rocker 19, so that the block cutting upper blade 8 is chopped in the lower cutting groove 18 cut on the block 20, and the block 20 is cut into two pieces under the corresponding action of the block cutting upper blade 8 and the block cutting positioning lower blade 16; according to the invention, an upper cutter and a lower cutter are arranged on the same vertical line, and an upper cutting force and a lower cutting force are simultaneously acted in two grooves on a building block by utilizing the lever principle through the meshing of a gear and a rack, so that the autoclaved aerated concrete building block is effectively cut, and the cut surface of a cut finished product is flat;
if, when carrying out the inclination angle cutting to cuboid building block, its step is as follows:
firstly, connecting a plug-in type circular disc 10 to the top end surface of an inverted rectangular base plate 1;
secondly, placing the cut building blocks 20 on a strip-shaped rotating table 14, and respectively marking cutting oblique lines on the upper surface and the lower surface of the cut building blocks 20 through the matching of a length measuring ruler 4 in the horizontal direction and a measuring scale 11 of a rotating angle;
thirdly, moving the position of the cut building block, manually rotating the gear to rotate the manual rocker 19, and aligning the upper cutting blade 8 of the building block with the cutting oblique line marked on the building block 20;
fourthly, slowly and manually rotating the gear to rotate the manual rocker 19, so that the building block cutting upper blade 8 cuts an upper cutting inclined groove on the building block along a cutting inclined line;
fifthly, turning over the cut building block, repeating the third step and the fourth step, and cutting a lower cutting inclined groove on the back surface of the building block 20;
sixthly, rotating the gear in the reverse direction to rotate the manual rocker 19, so that the building block cutting upper blade 8 rises to a certain height and then stops;
and seventhly, firmly fixing the portable cutting device by stepping on the pedal tongue plate 2, placing a building block cutting and positioning lower blade 16 between the upper cutting groove 17 and the strip-shaped rotating platform 14, then rapidly rotating the gear forward to rotate the manual rocker 19, so that the building block cutting upper blade 8 is chopped in a lower cutting inclined groove cut on the building block 20, and cutting the building block 20 to obtain the inclined block-shaped building block required by site building.
Claims (3)
1. A portable cutting device for aerated concrete blocks comprises a rectangular base plate (1) and an inverted L-shaped bracket (3), and is characterized in that a pedal tongue plate (2) is connected to the center of the front vertical surface of the rectangular base plate (1), the inverted L-shaped bracket (3) is connected to the center of the rear vertical surface of the rectangular base plate (1), a pair of support bearings (5) of a gear central shaft are arranged on a horizontal cantilever at the top end of the inverted L-shaped bracket (3), a gear is arranged in the pair of support bearings (5) of the gear central shaft, a rack penetrating through hole (6) is further arranged on the horizontal cantilever at the top end of the inverted L-shaped bracket (3) on the left side of the gear along the vertical direction from top to bottom, a rack (7) movably penetrates through the rack penetrating through hole (6), the rack (7) is meshed on the gear, an upper block cutting blade (8) is connected to the lower end of the rack (7), the outer side end of the gear shaft is connected with a gear rotating manual rocker (19), and a length measuring ruler (4) in the horizontal direction is arranged on the upright post of the inverted L-shaped bracket (3); a building block cutting and positioning lower blade (16) is movably arranged on the top end surface of the rectangular base plate (1).
2. The portable cutting device for aerated concrete blocks according to claim 1, characterized in that a plug-in type circular disc (10) is movably arranged on the top end surface of the rectangular base plate (1), the plug-in type circular disc (10) is fixedly plugged on the top end surface of the rectangular base plate (1) through a connecting pin (9), a long strip-shaped rotating table (14) is arranged on the plug-in type circular disc (10), a central rotating bearing (13) is arranged at the center of the long strip-shaped rotating table (14), a supporting shaft (12) is arranged at the center of the top end surface of the plug-in type circular disc (10), the long strip-shaped rotating table (14) is movably sleeved on the supporting shaft (12) through the central rotating bearing (13), a block cutting positioning lower blade (16) is obliquely and movably arranged on the top end surface of the long strip-shaped rotating table (14), a measuring scale (11) for measuring the rotation angle of a strip-shaped rotating table (14) is arranged on the excircle of the top end surface of the plug-in type circular disc (10).
3. A portable cutting device for aerated concrete blocks according to claim 2, characterized in that rollers (15) are provided at equal intervals on the top end face of the elongated rotary table (14), and the blocks (20) to be cut are placed on the rollers (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022741767.3U CN214394846U (en) | 2020-11-24 | 2020-11-24 | Portable cutting device for aerated concrete building blocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022741767.3U CN214394846U (en) | 2020-11-24 | 2020-11-24 | Portable cutting device for aerated concrete building blocks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214394846U true CN214394846U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022741767.3U Active CN214394846U (en) | 2020-11-24 | 2020-11-24 | Portable cutting device for aerated concrete building blocks |
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| Country | Link |
|---|---|
| CN (1) | CN214394846U (en) |
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2020
- 2020-11-24 CN CN202022741767.3U patent/CN214394846U/en active Active
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