CN114888975B - Automatic rotary cutter changing device for aerated concrete plate cutter set - Google Patents
Automatic rotary cutter changing device for aerated concrete plate cutter set Download PDFInfo
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- CN114888975B CN114888975B CN202210482842.XA CN202210482842A CN114888975B CN 114888975 B CN114888975 B CN 114888975B CN 202210482842 A CN202210482842 A CN 202210482842A CN 114888975 B CN114888975 B CN 114888975B
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- 239000011248 coating agent Substances 0.000 claims abstract description 89
- 238000000576 coating method Methods 0.000 claims abstract description 89
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000010936 titanium Substances 0.000 claims abstract description 12
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 76
- 239000007788 liquid Substances 0.000 claims description 44
- 230000009471 action Effects 0.000 claims description 30
- 230000007246 mechanism Effects 0.000 claims description 26
- 230000005484 gravity Effects 0.000 claims description 19
- 238000007667 floating Methods 0.000 claims description 17
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 5
- 210000003709 heart valve Anatomy 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 16
- 230000003647 oxidation Effects 0.000 abstract description 11
- 238000007254 oxidation reaction Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000008439 repair process Effects 0.000 abstract description 5
- 238000006467 substitution reaction Methods 0.000 abstract description 3
- 230000001965 increasing effect Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Coating Apparatus (AREA)
Abstract
The invention discloses an automatic rotary cutter changing device for an aerated concrete plate cutter set, which belongs to the technical field of plate production equipment, and can realize the updating and the substitution of the plate cutter set; the system adopts a servo motor for driving, and the positioning is directly controlled by a program, so that the position precision of the plate cutter during working is improved, and the product size precision of a cut blank is further improved; and the parts adopt a mode of easy installation and disassembly, are convenient for later maintenance and repair, effectively reduce after-sale cost, and when the cutting of each group of plate knife sets is finished and not used, the coating device coats the surface of the unused plate knife sets with titanium carbonitride solution, so that the hardness, oxidation temperature and smoothness of the knife set surfaces are enhanced, and the service life of the knife sets is greatly prolonged.
Description
Technical Field
The invention relates to the technical field of plate production equipment, in particular to an automatic rotary cutter switching device for an aerated concrete plate cutter group.
Background
The plate is a flat rectangular building material plate made into standard size, and is applied to the building industry and used as a member of a wall, a ceiling or a floor. The metal plate is also a variety of forged, rolled or cast metal plates, and is classified into thin plates, medium plates, thick plates, extra thick plates, and flat rectangular building material plates of standard sizes.
At present, when the blank is cut laterally through a lateral cutting machine during plate production, the existing equipment sequentially arranges plate cutters of different specifications according to the specifications of common production plates, most of the structure can only arrange an automatic rotary cutter device for the aerated concrete plate cutter group or plate cutters of two types, the structure cannot be better adapted to the diversity of the plate specifications, the length size of the equipment is greatly increased, the production cost of the equipment is increased, and the production site has larger space requirements, so that the technology capable of improving the structure of the plate cutter group is urgently needed to perfect the device.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems existing in the prior art, the invention aims to provide an automatic rotary cutter changing device for an aerated concrete slab cutter set, which can realize the updating and the substitution of the slab cutter set, and adopts automatic rotary cutter changing, so that the number of specifications of the slab cutter set is increased under the condition of not increasing the external dimension of equipment, and the variety of the specifications of the produced slabs is effectively improved; the system adopts a servo motor for driving, and the positioning is directly controlled by a program, so that the position precision of the plate cutter during working is improved, and the product size precision of a cut blank is further improved; and the parts adopt a mode of easy installation and disassembly, are convenient for later maintenance and repair, effectively reduce after-sale cost, and when the cutting of each group of plate knife sets is finished and not used, the coating device coats the surface of the unused plate knife sets with titanium carbonitride solution, so that the hardness and oxidation temperature of the knife sets and the smoothness of the knife set surfaces are greatly enhanced, the service life of the knife sets is greatly prolonged, and meanwhile, the period that the knife sets are worn and replaced under long-time use is greatly prolonged, so that the use cost is reduced.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides an automatic rotatory converting knife device of aerated concrete slab knife tackle, includes side cutting machine tie-beam, side cutting machine tie-beam upper end fixedly connected with servo motor speed reducer, side cutting machine tie-beam inner wall is equipped with the upper bracket, rotate between servo motor speed reducer's the output and the upper bracket and be connected, install plum blossom shape elastic coupling between the upper bracket inner wall, the aligning ball bearing is installed to plum blossom shape elastic coupling's one end that keeps away from servo motor speed reducer, be equipped with first lip type sealing washer in the aligning ball bearing, the upper bracket is equipped with the lower carriage far away from side cutting machine tie-beam's one end, install the stand between upper bracket and the lower carriage inner wall, the tapered roller bearing is installed to the one end that the stand is close to the lower carriage, be equipped with the second lip type sealing washer in the tapered roller bearing, four panel blade holders are installed to the stand outer end, panel knife holder installs the panel sword, the inside coating mechanism that is equipped with of blade holder, this scheme can realize the panel knife tackle to renew, adopts automatic rotatory appearance knife tackle, the number of the panel knife tackle has improved the production specification of the panel under the condition that does not increase equipment size, has improved the panel production specification; the system adopts a servo motor for driving, and the positioning is directly controlled by a program, so that the position precision of the plate cutter during working is improved, and the product size precision of a cut blank is further improved; and the parts adopt a mode of easy installation and disassembly, are convenient for later maintenance and repair, effectively reduce after-sale cost, and when the cutting of each group of plate knife sets is finished and not used, the coating device coats the surface of the unused plate knife sets with titanium carbonitride solution, so that the hardness and oxidation temperature of the knife sets and the smoothness of the knife set surfaces are greatly enhanced, the service life of the knife sets is greatly prolonged, and meanwhile, the period that the knife sets are worn and replaced under long-time use is greatly prolonged, so that the use cost is reduced.
Further, the coating mechanism comprises a plurality of flow pipelines embedded in the inner wall of the upright post, the flow pipelines are mutually communicated with the plate tool apron, coating liquid is filled in the upright post, a filling opening is embedded in the outer end of the upright post, two sliding grooves which are symmetrically distributed are formed in the inner wall of the plate tool apron, a floating mechanism is arranged in the plate tool apron, a piston plate is arranged between the inner walls of the plate tool apron, the outer end of the piston plate is fixedly connected with a sliding block, the sliding block is in sliding connection with the sliding grooves, an extension spring is fixedly connected between the sliding block and the inner bottom end of the sliding groove, a flow channel is formed in the upper end of the piston plate, the flow channel is positioned at the lower side of the coating liquid, two spherical grooves which are symmetrically distributed are formed in the inner wall of the flow channel, a rotating shaft is connected in the spherical grooves, a rubber sealing sheet is fixedly connected to the outer end of the rotating shaft, a torsion spring is arranged between the rotating shaft and the inner wall of the spherical grooves, the plate tool apron is internally provided with the coating pipeline, the coating pipeline penetrates through the tool apron and is positioned at the outer side of the plate, a through hole is formed in the end of the plate, which is close to the plate, and a sealing film is arranged between the inner walls of the plate.
When the knife sets with different specifications rotate to the upper part, the lower part and the left part of the upright post under the unused state, the internal structure of the knife set above the knife sets changes, after the floating mechanism moves downwards to sink under the action of gravity, the sliding block of the knife sets does not have the repulsive force of the floating mechanism and the restoring property of the extension spring, the sliding block moves downwards to drive the piston plate to synchronously move downwards, so that under the action of force, the flow pipeline penetrates through the flow channel and props against the two rubber sealing sheets attached to the inner wall of the flow pipeline, the coating liquid in the coating pipeline flows downwards under the action of gravity, the coating liquid flows into the upright post through the flow pipeline and is distributed into the plate knife holders at the left part, the right part and the lower part of the upright post, the knife sets at the left part and the right part are horizontal planes with the upright post, and the coating liquid in the coating pipeline synchronously flows into the plate knife holders, the flowing pipelines in the right knife block and the left knife block synchronously touch the rubber sealing piece to open the rubber sealing piece, the back flowing coating liquid above the rubber sealing piece is used for supplementing the inside of the plate knife block, and as the four knife blocks synchronously rotate, when the knife blocks rotate to the lower knife block, the floating mechanism moves downwards under the action of gravity after the coating liquid in the plate knife block on the horizontal plane is supplemented, and under the action of gravity and repulsive force, the sliding block is driven to move downwards and continuously squeeze the extension spring, so that the piston plate and the flowing pipeline present a position difference, the rubber sealing piece is driven to restore to the original form to be contacted with each other under the action of torsion spring without force interference, the two sides above the inside of the plate knife block are sealed and separated, and when the second magnetic ball moves downwards, the sealing phenomenon is caused under the plate knife block due to the closing state of the rubber sealing piece, the piston plate is used for extruding the coating liquid below when moving downwards, the pressure is continuously increased in the process of moving downwards until the generated pressure is larger than the sealing film, so that the coating liquid flowing into the coating pipeline is sprayed out of the sealing film, the surface of the side plate knife is coated, the hardness, the oxidation temperature and the smoothness of the knife set surface of the knife set are enhanced, the service life of the knife set is greatly prolonged, the period that the knife set is worn and needs to be replaced when being used for a long time is greatly prolonged, the service cost of the knife set is reduced, meanwhile, after the coating liquid is released from the coating pipeline, the pressure below the plate knife holder is also released, the sealing film is recovered to be in an original state under the effect of no pressure, the coating liquid in the plate knife holder and the coating pipeline is plugged again, the coating liquid is not oozed out, and the knife set is gradually coated when being operated to the lower side in other directions.
Further, the floating mechanism comprises a built-in cavity formed by cutting the inner wall of the built-in cavity, a first magnetic ball is arranged between the inner walls of the built-in cavity, a second magnetic ball is embedded in the sliding block, the second magnetic ball and the first magnetic ball repel each other, when the cutter set rotates below the upright post, the first magnetic ball in the built-in cavity moves downwards under the action of gravity, the second magnetic ball in the sliding block is driven to move downwards under the action of repulsive force, and then when the cutter set rotates above the upright post, the piston plate is driven to rise again to restore to the initial position due to the reset characteristic after the extension spring is extruded due to the fact that the first magnetic ball moves towards the opposite direction of the sliding block, so that the sliding block is pressed under the condition of no repulsive force.
Further, the model size of the first lip type sealing ring is FB45/65-8, and the model size of the second lip type sealing ring is FB50/72-8.
Further, the number of the flow pipelines is 4, the flow pipelines penetrate through four plate tool holders, the four plate tool holders are symmetrically distributed relative to the upright post, and the included angle between the four plate tool holders is 90 degrees.
Further, the position surface height of the piston plate is higher than the position surface height of the sliding groove, the upper end of the piston plate is fixedly connected with a sealing gasket, the sealing gasket is contacted with the inner wall of the plate tool apron and sleeved at the outer end of the flow pipeline, and the space of the lower part of the piston plate is sealed when the piston plate moves downwards by setting the sealing gasket and the position surface height of the piston plate to be higher than the position surface height of the sliding groove, so that the air pressure of the piston plate is not easy to leak.
Further, two limit blocks which are symmetrically distributed are fixedly connected to the inner wall of the flow channel, the limit blocks are located on the upper side of the filling opening, and when the piston plate moves downwards in the plate tool apron through the limit blocks, the phenomenon that the torsion spring is weakened due to excessive pressure torsion to reduce the sealing effect of the rubber sealing piece is avoided, and the pressure born by the torsion spring and limitation on the rotation direction of the rubber sealing piece are reduced.
Furthermore, the coating liquid is prepared from the titanium carbonitride solution, and the coating liquid prepared from the titanium carbonitride solution can greatly enhance the hardness, the oxidation temperature and the smoothness of the surface of the knife set after being coated on the knife surface of the plate, so that the service life of the knife set is greatly prolonged.
Further, the torsion of the tension spring is smaller than the sum of the repulsive force between the first magnetic ball and the second magnetic ball and the self gravity of the first magnetic ball.
Further, the sealing film is in an open-close state under the action of force, is in a closed state under the action of no force, and is in a closed state in the initial form.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) The scheme can realize the updating of the plate cutter set, adopts automatic rotary cutter changing, increases the specification number of the plate cutter set under the condition of not increasing the external dimension of equipment, and effectively improves the variety of the specifications of the produced plates; the system adopts a servo motor for driving, and the positioning is directly controlled by a program, so that the position precision of the plate cutter during working is improved, and the product size precision of a cut blank is further improved; and the parts adopt a mode of easy installation and disassembly, are convenient for later maintenance and repair, effectively reduce after-sale cost, and when the cutting of each group of plate knife sets is finished and not used, the coating device coats the surface of the unused plate knife sets with titanium carbonitride solution, so that the hardness and oxidation temperature of the knife sets and the smoothness of the knife set surfaces are greatly enhanced, the service life of the knife sets is greatly prolonged, and meanwhile, the period that the knife sets are worn and replaced under long-time use is greatly prolonged, so that the use cost is reduced.
(2) The coating mechanism comprises a plurality of flow pipelines embedded in the inner wall of a stand column, the flow pipelines are communicated with a plate tool apron, coating liquid is filled in the stand column, a filling opening is embedded in the outer end of the stand column, two sliding grooves which are symmetrically distributed are cut in the inner wall of the plate tool apron, a floating mechanism is arranged in the plate tool apron, a piston plate is arranged between the inner walls of the plate tool apron, the outer end of the piston plate is fixedly connected with a sliding block, the sliding block is in sliding connection with the sliding grooves, an extension spring is fixedly connected between the sliding block and the inner bottom ends of the sliding grooves, a flow channel is cut in the upper end of the piston plate, the flow channel is positioned at the lower side of the coating liquid, two spherical grooves which are symmetrically distributed are cut in the inner wall of the flow channel, a rotating shaft is rotatably connected in the spherical grooves, a rubber sealing piece is fixedly connected to the outer end of the rotating shaft, a torsion spring is arranged between the rotating shaft and the inner wall of the spherical grooves, the plate tool apron is internally embedded with a coating pipeline, the coating pipeline penetrates through the plate tool apron and is positioned at the outer side of the plate tool, one end of the coating pipeline, which is close to the plate tool is provided with a through hole, and a sealing film is arranged between the through the inner walls of the through holes;
When the knife sets with different specifications rotate to the upper part, the lower part and the left part of the upright post under the unused state, the internal structure of the knife set above the knife sets changes, after the floating mechanism moves downwards to sink under the action of gravity, the sliding block of the knife sets does not have the repulsive force of the floating mechanism and the restoring property of the extension spring, the sliding block moves downwards to drive the piston plate to synchronously move downwards, so that under the action of force, the flow pipeline penetrates through the flow channel and props against the two rubber sealing sheets attached to the inner wall of the flow pipeline, the coating liquid in the coating pipeline flows downwards under the action of gravity, the coating liquid flows into the upright post through the flow pipeline and is distributed into the plate knife holders at the left part, the right part and the lower part of the upright post, the knife sets at the left part and the right part are horizontal planes with the upright post, and the coating liquid in the coating pipeline synchronously flows into the plate knife holders, the flowing pipelines in the right knife block and the left knife block synchronously touch the rubber sealing piece to open the rubber sealing piece, the back flowing coating liquid above the rubber sealing piece is used for supplementing the inside of the plate knife block, and as the four knife blocks synchronously rotate, when the knife blocks rotate to the lower knife block, the floating mechanism moves downwards under the action of gravity after the coating liquid in the plate knife block on the horizontal plane is supplemented, and under the action of gravity and repulsive force, the sliding block is driven to move downwards and continuously squeeze the extension spring, so that the piston plate and the flowing pipeline present a position difference, the rubber sealing piece is driven to restore to the original form to be contacted with each other under the action of torsion spring without force interference, the two sides above the inside of the plate knife block are sealed and separated, and when the second magnetic ball moves downwards, the sealing phenomenon is caused under the plate knife block due to the closing state of the rubber sealing piece, the piston plate is used for extruding the coating liquid below when moving downwards, the pressure is continuously increased in the process of moving downwards until the generated pressure is larger than the sealing film, so that the coating liquid flowing into the coating pipeline is sprayed out of the sealing film, the surface of the side plate knife is coated, the hardness, the oxidation temperature and the smoothness of the knife set surface of the knife set are enhanced, the service life of the knife set is greatly prolonged, the period that the knife set is worn and needs to be replaced when being used for a long time is greatly prolonged, the service cost of the knife set is reduced, meanwhile, after the coating liquid is released from the coating pipeline, the pressure below the plate knife holder is also released, the sealing film is recovered to be in an original state under the effect of no pressure, the coating liquid in the plate knife holder and the coating pipeline is plugged again, the coating liquid is not oozed out, and the knife set is gradually coated when being operated to the lower side in other directions.
(3) The floating mechanism comprises a built-in cavity which is cut in the plate tool apron, a first magnetic ball is arranged between the inner walls of the built-in cavity, a second magnetic ball is embedded in the sliding block, the second magnetic ball and the first magnetic ball repel each other, when the tool set rotates below the upright post, the first magnetic ball in the built-in cavity moves downwards under the action of gravity, the second magnetic ball in the sliding block is driven to move downwards under the action of repulsive force, and then when the tool set rotates above the upright post, the piston plate is driven to rise again to restore to the initial position due to the reset characteristic after the extrusion of the extension spring because the first magnetic ball moves in the opposite direction of the sliding block, so that the sliding block is pressed against the repulsive force.
(4) The model size of the first lip-shaped sealing ring is FB45/65-8, and the model size of the second lip-shaped sealing ring is FB50/72-8.
(5) The number of the flow pipelines is 4, and the four flow pipelines penetrate through four plate tool holders, and the four plate tool holders are symmetrically distributed relative to the upright post shaft, and the included angle between the four plate tool holders is 90 degrees.
(6) The height of the position surface of the piston plate is higher than that of the sliding groove, the upper end of the piston plate is fixedly connected with a sealing gasket, the sealing gasket is contacted with the inner wall of the plate tool apron, and the sealing gasket is sleeved at the outer end of the flow pipeline.
(7) The flow channel inner wall fixedly connected with two stopper that mutual symmetry distributes, stopper are located the filler upside, through setting up the stopper, can make the piston board when panel blade holder internal side down removes, avoid torsion spring to reduce the phenomenon that causes rubber seal piece sealed effect to reduce because of receiving too much pressure torsion emergence to weaken, reduce the pressure that torsion spring received and to the prescribing a limit to rubber seal piece rotation direction.
(8) The coating liquid is prepared from the titanium carbonitride solution, and the coating liquid prepared from the titanium carbonitride solution can greatly enhance the hardness, the oxidation temperature and the smoothness of the surface of the knife set after being coated on the knife surface of the plate, so that the service life of the knife set is greatly prolonged.
(9) The torsion of the tension spring is smaller than the sum of the repulsive force between the first magnetic ball and the second magnetic ball and the self gravity of the first magnetic ball.
(10) The sealing film is in an open-close state under the action of force, is in a closed state under the action of no force, and is in a closed state in the initial form.
Drawings
FIG. 1 is a schematic view of the overall top view of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of the present invention at B in FIG. 1;
FIG. 4 is a schematic view of the structure of the whole knife block of the present invention when rotated;
FIG. 5 is a schematic cross-sectional view of a knife set according to the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5C according to the present invention;
FIG. 7 is an enlarged schematic view of the structure of the present invention at D in FIG. 5;
FIG. 8 is a schematic cross-sectional view of a portion of the coating mechanism of the present invention;
FIG. 9 is a schematic view of the knife set of the present invention rotated downward;
FIG. 10 is an enlarged schematic view of the structure of FIG. 9E according to the present invention;
FIG. 11 is a schematic view of the knife tackle of the present invention rotated to the left;
FIG. 12 is an enlarged schematic view of the structure of FIG. 11 at F in accordance with the present invention;
FIG. 13 is a schematic view of the knife set of the present invention rotated to the top;
fig. 14 is an enlarged schematic view of the structure of fig. 13G according to the present invention.
The reference numerals in the figures illustrate:
The device comprises a connecting beam of a side cutting machine 1, an upper support 2, a quincuncial elastic coupling 3, a vertical column 4, a plate cutter holder 5, a lower support 6, a aligning ball bearing 7, a first lip type sealing ring 8, a tapered roller bearing 9, a second lip type sealing ring 10, a plate cutter 11, a coating mechanism 12, a flow pipeline 121, a coating liquid 122, a filler 123, a chute 124, a piston plate 125, a sliding block 126, a tension spring 127, a flow channel 128, a spherical groove 129, a rotary shaft 1210, a rubber seal 1211, a torsion spring 1212, a coating pipeline 1213, a through hole 1214, a sealing film 1215, a built-in cavity 131, a first magnetic ball 132, a second magnetic ball 133 and a servo motor reducer 14.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only a few embodiments of the present invention; but not all embodiments, are based on embodiments in the present invention; all other embodiments obtained by those skilled in the art without undue burden; all falling within the scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples:
Referring to fig. 1-14, an automatic rotary cutter device for aerated concrete slab cutter sets comprises a side cutter connecting beam 1, wherein the upper end of the side cutter connecting beam 1 is fixedly connected with a servo motor speed reducer 14, the inner wall of the side cutter connecting beam 1 is provided with an upper support 2, the output end of the servo motor speed reducer 14 is rotationally connected with the upper support 2, a quincuncial elastic coupling 3 is arranged between the inner walls of the upper support 2, one end of the quincuncial elastic coupling 3, which is far away from the servo motor speed reducer 14, is provided with a self-aligning ball bearing 7, a first lip-shaped sealing ring 8 is arranged in the self-aligning ball bearing 7, one end of the upper support 2, which is far away from the side cutter connecting beam 1, is provided with a lower support 6, a stand column 4 is arranged between the upper support 2 and the inner wall of the lower support 6, one end of the stand 4, which is close to the lower support 6, is provided with a tapered roller bearing 9, a second lip-shaped sealing ring 10 is arranged in the tapered roller bearing 9, the outer end of the stand 4 is provided with four plate cutter holders 5, the outer ends of the cutter holders 5 are provided with a cutter 11, and a coating mechanism 12 is arranged in the cutter holder 5, so that the cutter sets can be automatically updated, the cutter sets are not required to be rotated, the number of the cutter sets is increased, the number of the sizes of the cutter sets are required to be increased, and the number of the plate sets are required to be produced, and the plate sizes are increased; the system adopts a servo motor for driving, and the positioning is directly controlled by a program, so that the position precision of the plate cutter during working is improved, and the product size precision of a cut blank is further improved; and the parts adopt a mode of easy installation and disassembly, are convenient for later maintenance and repair, effectively reduce after-sale cost, and when the cutting of each group of plate knife sets is finished and not used, the coating device coats the surface of the unused plate knife sets with titanium carbonitride solution, so that the hardness and oxidation temperature of the knife sets and the smoothness of the knife set surfaces are greatly enhanced, the service life of the knife sets is greatly prolonged, and meanwhile, the period that the knife sets are worn and replaced under long-time use is greatly prolonged, so that the use cost is reduced.
Referring to fig. 5-14, the coating mechanism 12 includes a plurality of flow pipes 121 embedded in the inner wall of the column 4, the flow pipes 121 are mutually communicated with the plate holder 5, the column 4 is filled with coating liquid 122, a filling port 123 is embedded in the outer end of the column 4, two sliding grooves 124 symmetrically distributed with each other are cut in the inner wall of the plate holder 5, a floating mechanism is arranged in the plate holder 5, a piston plate 125 is arranged between the inner walls of the plate holder 5, a sliding block 126 is fixedly connected to the outer end of the piston plate 125, the sliding block 126 is slidably connected with the sliding grooves 124, a tension spring 127 is fixedly connected between the sliding block 126 and the inner bottom end of the sliding groove 124, a flow channel 128 is cut in the upper end of the piston plate 125, the flow channel 128 is positioned at the lower side of the coating liquid 122, two spherical grooves 129 symmetrically distributed with each other are cut in the inner wall of the flow channel 128, a rotating shaft 1210 is rotatably connected to the spherical grooves 129, a rubber sealing piece 1211 is fixedly connected to the outer end of the rotating shaft 1210, a torsion spring 1212 is mounted between the inner wall of the spherical groove 129, a coating pipe 1213 is embedded in the plate holder 5, the coating pipe 1213 penetrates the tool 5 to the outer side of the blade 11, the sliding block 126 is fixedly connected to the sliding block 126, a flow channel 128 is positioned near the inner wall of the plate 1214, and a through hole 1213 is near the inner wall of the plate 1214 to the plate 12111, and a through hole 1215 is mounted on the sealing film is arranged between the inner wall of the plate blade and cut through the sealing blade 12111;
When the knife sets of different specifications rotate to the upper, lower and left sides of the upright post 4 under the unused state, the internal structure of the knife set above the knife sets changes in shape, after the floating mechanism moves downwards to sink under the action of gravity, the sliding block 126 drives the piston plate 125 to synchronously move downwards under the condition that the repulsive force of the floating mechanism is not used and the tension spring 127 is reset, so that under the action of force, the flow pipeline 121 penetrates through the flow channel 128 and pushes the two rubber sealing sheets 1211 attached to the inner wall of the flow pipeline 121, the coating liquid 122 in the coating pipeline 1213 flows back downwards under the action of gravity, the coating liquid 122 flows into the upright post 4 through the flow pipeline 121 and is distributed into the plate knife holders 5 in the left, right and lower sides of the upright post 4, the knife sets in the left and right sides are horizontal plane with the upright post 4, so that the coating liquid 122 in the coating pipe 1213 synchronously flows into the plate knife holder 5, the flowing pipe 121 in the right knife set and the left knife set synchronously touches the rubber sealing piece 1211, the rubber sealing piece 1211 is opened, the backward flowing coating liquid 122 above supplements the inside of the plate knife holder 5, and as the four knife sets synchronously rotate, when the knife sets rotate to the lower knife set, the floating mechanism moves downwards under the action of gravity after the coating liquid 122 in the plate knife holder 5 is supplemented on the horizontal plane, the sliding block 126 is driven to move downwards under the action of gravity and repulsive force and continuously presses the tension spring 127, the piston plate 125 and the flowing pipe 121 are caused to present a position difference, the rubber sealing piece 1211 is driven to restore to the original form to contact each other under the action of the reset of the torsion spring 1212 without the interference, the upper two sides inside the plate knife holder 5 are sealed and separated, when the second magnetic ball 133 moves downward, the sealing phenomenon is caused under the knife holder 5 due to the closed state of the rubber sealing piece 1211, so that the piston plate 125 performs air flow extrusion on the lower coating liquid 122 when moving downward, the pressure is continuously increased in the downward moving process until the generated pressure is larger than the sealing film 1215, so that the coating liquid 122 flowing into the coating pipe 1213 is sprayed out of the sealing film 1215, thereby coating the surface of the side plate knife 11, enhancing the hardness and oxidation temperature of the knife set and the smoothness of the knife set surface, greatly prolonging the service life of the knife set, reducing the use cost of the knife set when the knife set is worn and replaced for a long time, and simultaneously, after the coating liquid 122 is released in the coating pipe 1213, the pressure under the knife holder 5 is also released, so that the sealing film 1215 is restored to the original state under the non-pressure, and the coating liquid 122 in the knife holder 5 and the coating pipe 1213 is blocked again until the coating liquid 122 is not oozed out in the non-pressure direction, and the knife set is blocked under the other direction.
Referring to fig. 6-14, the floating mechanism includes a built-in cavity 131 cut into the plate tool apron 5, a first magnetic ball 132 is disposed between inner walls of the built-in cavity 131, a second magnetic ball 133 is disposed inside the slider 126, the second magnetic ball 133 and the first magnetic ball 132 repel each other, when the tool apron rotates below the upright 4, the first magnetic ball 132 in the built-in cavity 131 moves downward under the action of gravity, so that the second magnetic ball 133 in the slider 126 drives the piston plate 125 to move downward under the action of repulsive force, and then when the tool apron rotates above the upright 4, the slider 126 is pushed down without repulsive force due to the opposite direction of the first magnetic ball 132, and the piston plate 125 is driven to rise again to restore the initial position due to the reset characteristic after the extrusion of the extension spring 127.
Referring to FIG. 1, the first lip seal 8 is of type FB45/65-8 and the second lip seal 10 is of type FB50/72-8.
Referring to fig. 5, the number of the plurality of flow pipes 121 is 4, and all of the flow pipes penetrate through the four plate holders 5, and the four plate holders 5 are symmetrically distributed about the axis of the upright 4, and have an included angle of 90 ° therebetween.
Referring to fig. 6-14, the height of the position surface of the piston plate 125 is higher than the height of the position surface of the sliding groove 124, a sealing pad is fixedly connected to the upper end of the piston plate 125, and the sealing pad contacts the inner wall of the plate tool apron 5 and is sleeved at the outer end of the flow pipe 121, and by setting the sealing pad and the height of the position surface of the piston plate 125 higher than the height of the position surface of the sliding groove 124, the space of the lower part of the piston plate 125 is sealed when the piston plate 125 moves downward, so that the air pressure of the space is not easy to leak.
Referring to fig. 8, two symmetrical limiting blocks are fixedly connected to the inner wall of the flow channel 128, and the limiting blocks are located at the upper side of the filling port 123, so that when the piston plate 125 moves downward in the plate tool apron 5, the phenomenon that the torsion spring 1212 is weakened due to excessive pressure torsion to reduce the sealing effect of the rubber sealing piece 1211 is avoided, and the pressure applied to the torsion spring 1212 and the limitation on the rotation direction of the rubber sealing piece 1211 are reduced.
Referring to fig. 5-14, the coating solution 122 is made of a titanium carbonitride solution, and the coating solution 122 made of a titanium carbonitride solution can greatly enhance the hardness, oxidation temperature and surface smoothness of the knife set after the coating solution 122 is coated on the surface of the plate knife 11, so that the service life of the knife set is greatly prolonged.
Referring to fig. 6, the torsion of the tension spring 127 is smaller than the sum of the repulsive force between the first magnetic ball 132 and the second magnetic ball 133 and the gravity of the first magnetic ball 132.
Referring to fig. 7, the sealing membrane 1215 is opened and closed under the force, and the initial shape of the sealing membrane 1215 is closed.
The above; is only a preferred embodiment of the present invention; the scope of the invention is not limited in this respect; any person skilled in the art is within the technical scope of the present disclosure; equivalent substitutions or changes are made according to the technical proposal of the invention and the improved conception thereof; are intended to be encompassed within the scope of the present invention.
Claims (9)
1. The utility model provides an automatic rotatory converting knife device of aerated concrete panel knife tackle, includes side cutting machine tie-beam (1), its characterized in that: the automatic coating machine comprises a side cutting machine connecting beam (1), wherein a servo motor speed reducer (14) is fixedly connected to the upper end of the side cutting machine connecting beam (1), an upper support (2) is arranged on the inner wall of the side cutting machine connecting beam (1), an output end of the servo motor speed reducer (14) is rotationally connected with the upper support (2), a quincuncial elastic coupler (3) is arranged between the inner walls of the upper support (2), a self-aligning ball bearing (7) is arranged at one end, far away from the servo motor speed reducer (14), of the quincuncial elastic coupler (3), a first lip-shaped sealing ring (8) is arranged in the self-aligning ball bearing (7), a lower support (6) is arranged at one end, far away from the side cutting machine connecting beam (1), of the upper support (2) and the inner wall of the lower support (6), a stand column (4) is arranged at one end, close to the lower support (6), of the stand column (4), a conical roller bearing (9) is arranged, a second lip-shaped sealing ring (10) is arranged in the conical roller bearing (9), four knife holders (5) are arranged at the outer ends of the stand column (4), and a knife plate (5) is provided with a coating mechanism (12);
The coating mechanism (12) comprises a plurality of flow pipelines (121) embedded in the inner wall of a stand column (4), the flow pipelines (121) are mutually communicated with a plate cutter holder (5), coating liquid (122) is filled in the stand column (4), a filling opening (123) is embedded in the outer end of the stand column (4), two mutually symmetrically distributed sliding grooves (124) are formed in the inner wall of the plate cutter holder (5), a floating mechanism is arranged in the plate cutter holder (5), a piston plate (125) is arranged between the inner walls of the plate cutter holder (5), a slide block (126) is fixedly connected with the outer end of the piston plate (125), a slide block (126) is in sliding connection with the sliding groove (124), a tension spring (127) is fixedly connected between the slide block (126) and the inner bottom end of the sliding groove (124), a flow channel (128) is formed in the upper end of the piston plate (125), the flow channel (128) is located on the lower side of the coating liquid (122), two mutually symmetrically distributed ball grooves (129) are formed in the inner wall of the flow channel (128), a ball groove (1212) is fixedly connected with a slide block (126), a torsion spring (1210) is fixedly connected with the inner wall (1210), a torsion spring (129) is arranged between the rotation shaft (1210), the coating pipeline (1213) is embedded in the plate knife holder (5), the coating pipeline (1213) penetrates through the plate knife holder (5) and is located on the outer side of the plate knife (11), a through hole (1214) is cut at one end, close to the plate knife (11), of the coating pipeline (1213), and a sealing film (1215) is arranged between the inner walls of the through holes (1214).
2. An aerated concrete panel cutter set automatic rotary cutter device according to claim 1, wherein: the floating mechanism comprises a built-in cavity (131) which is cut in the plate tool apron (5), a first magnetic ball (132) is arranged between the inner walls of the built-in cavity (131), a second magnetic ball (133) is embedded in the sliding block (126), and the second magnetic ball (133) and the first magnetic ball (132) repel each other.
3. An aerated concrete panel cutter set automatic rotary cutter device according to claim 1, wherein: the model size of the first lip-shaped sealing ring (8) is FB45/65-8, and the model size of the second lip-shaped sealing ring (10) is FB50/72-8.
4. An aerated concrete panel cutter set automatic rotary cutter device according to claim 1, wherein: the number of the flow pipelines (121) is 4, the four flow pipelines penetrate through four plate tool holders (5), the four plate tool holders (5) are symmetrically distributed around the upright post (4), and the included angle between the four plate tool holders is 90 degrees.
5. An aerated concrete panel cutter set automatic rotary cutter device according to claim 1, wherein: the height of the position surface of the piston plate (125) is higher than that of the sliding groove (124), a sealing gasket is fixedly connected to the upper end of the piston plate (125), and the sealing gasket is contacted with the inner wall of the plate tool apron (5) and sleeved at the outer end of the flow pipeline (121).
6. An aerated concrete panel cutter set automatic rotary cutter device according to claim 1, wherein: two limiting blocks which are symmetrically distributed are fixedly connected to the inner wall of the flow channel (128), and the limiting blocks are located on the upper side of the filling opening (123).
7. An aerated concrete panel cutter set automatic rotary cutter device according to claim 1, wherein: the coating liquid (122) is made of titanium carbonitride solution.
8. An aerated concrete panel cutter set automatic rotary cutter device according to claim 1, wherein: the torsion of the tension spring (127) is smaller than the sum of the repulsive force between the first magnetic ball (132) and the second magnetic ball (133) and the self gravity of the first magnetic ball (132).
9. An aerated concrete panel cutter set automatic rotary cutter device according to claim 1, wherein: the sealing membrane (1215) is made by adopting a heart valve principle, the sealing membrane (1215) is in an open-close state under the action of stress, is in a closed state under the action of no stress, and the initial shape of the sealing membrane (1215) is in the closed state.
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| CN202210482842.XA CN114888975B (en) | 2022-05-06 | 2022-05-06 | Automatic rotary cutter changing device for aerated concrete plate cutter set |
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Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10251830A (en) * | 1997-03-13 | 1998-09-22 | Mitsubishi Materials Corp | Surface coated cemented carbide-cutting tool having excellent chipping resistance in physical vapor-deposited coating layer |
| JP2007152478A (en) * | 2005-12-02 | 2007-06-21 | Mitsubishi Materials Corp | Surface coated cutting insert, and method of producing the same |
| WO2009071532A1 (en) * | 2007-12-03 | 2009-06-11 | Jean Sandoz | Gas turbine comprising an impeller of the radial-blade type and method for making the blades for said turbine |
| CN104786375A (en) * | 2015-05-12 | 2015-07-22 | 山东阳光众泰机械工程有限公司 | Concrete block slotting equipment |
| CN205464475U (en) * | 2016-04-11 | 2016-08-17 | 东莞富兰地工具股份有限公司 | PCD spiral bulb sword |
| CN106827256A (en) * | 2017-03-25 | 2017-06-13 | 大连唐家现代建材有限公司 | A kind of air-entrained concrete building block or many cutter shaft groovers of sheet material and its grooving method |
| CN206335688U (en) * | 2016-12-19 | 2017-07-18 | 深圳市劲牛实业发展有限公司 | A kind of efficient concrete building block cutting device |
| CN206614696U (en) * | 2017-03-25 | 2017-11-07 | 大连唐家现代建材有限公司 | A kind of many cutter shaft groovers of air-entrained concrete building block or sheet material |
| WO2017204141A1 (en) * | 2016-05-24 | 2017-11-30 | 株式会社タンガロイ | Coated cutting tool |
| CN206812244U (en) * | 2017-02-15 | 2017-12-29 | 北京金隅加气混凝土有限责任公司 | The adjustable groove milling chamfering gang tool of air entrained concrete sheet material |
| CN107598198A (en) * | 2017-09-19 | 2018-01-19 | 马少博 | A kind of double-blade boring cutter |
| CN209174983U (en) * | 2018-11-30 | 2019-07-30 | 厦门精伟机械制造有限公司 | A kind of novel milling cutter |
| CN112207998A (en) * | 2020-08-28 | 2021-01-12 | 衡东县新塘镇顶峰装饰材料加工厂 | Gypsum lines nick device with switch nick sword mechanism |
| CN214394697U (en) * | 2020-12-30 | 2021-10-15 | 安徽科达机电有限公司 | Concrete body cutting machine |
| CN214490742U (en) * | 2020-12-25 | 2021-10-26 | 成都冠佳科技有限公司 | Dotted line knife for circular knife mold |
| CN113560613A (en) * | 2021-08-30 | 2021-10-29 | 淮安西德工业设计有限公司 | Four-axis precision lathe |
| CN215146844U (en) * | 2021-07-26 | 2021-12-14 | 苏州亿安达精密塑胶制品有限公司 | Engraving machine convenient for replacing cutter |
| CN114102224A (en) * | 2021-12-28 | 2022-03-01 | 吕秀宝 | Intelligent cutting device with overheat protection function for machining center |
| CN216299730U (en) * | 2021-09-01 | 2022-04-15 | 山东东风双隆机械有限公司 | Aerated concrete panel side fluting device |
-
2022
- 2022-05-06 CN CN202210482842.XA patent/CN114888975B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10251830A (en) * | 1997-03-13 | 1998-09-22 | Mitsubishi Materials Corp | Surface coated cemented carbide-cutting tool having excellent chipping resistance in physical vapor-deposited coating layer |
| JP2007152478A (en) * | 2005-12-02 | 2007-06-21 | Mitsubishi Materials Corp | Surface coated cutting insert, and method of producing the same |
| WO2009071532A1 (en) * | 2007-12-03 | 2009-06-11 | Jean Sandoz | Gas turbine comprising an impeller of the radial-blade type and method for making the blades for said turbine |
| CN104786375A (en) * | 2015-05-12 | 2015-07-22 | 山东阳光众泰机械工程有限公司 | Concrete block slotting equipment |
| CN205464475U (en) * | 2016-04-11 | 2016-08-17 | 东莞富兰地工具股份有限公司 | PCD spiral bulb sword |
| WO2017204141A1 (en) * | 2016-05-24 | 2017-11-30 | 株式会社タンガロイ | Coated cutting tool |
| CN206335688U (en) * | 2016-12-19 | 2017-07-18 | 深圳市劲牛实业发展有限公司 | A kind of efficient concrete building block cutting device |
| CN206812244U (en) * | 2017-02-15 | 2017-12-29 | 北京金隅加气混凝土有限责任公司 | The adjustable groove milling chamfering gang tool of air entrained concrete sheet material |
| CN206614696U (en) * | 2017-03-25 | 2017-11-07 | 大连唐家现代建材有限公司 | A kind of many cutter shaft groovers of air-entrained concrete building block or sheet material |
| CN106827256A (en) * | 2017-03-25 | 2017-06-13 | 大连唐家现代建材有限公司 | A kind of air-entrained concrete building block or many cutter shaft groovers of sheet material and its grooving method |
| CN107598198A (en) * | 2017-09-19 | 2018-01-19 | 马少博 | A kind of double-blade boring cutter |
| CN209174983U (en) * | 2018-11-30 | 2019-07-30 | 厦门精伟机械制造有限公司 | A kind of novel milling cutter |
| CN112207998A (en) * | 2020-08-28 | 2021-01-12 | 衡东县新塘镇顶峰装饰材料加工厂 | Gypsum lines nick device with switch nick sword mechanism |
| CN214490742U (en) * | 2020-12-25 | 2021-10-26 | 成都冠佳科技有限公司 | Dotted line knife for circular knife mold |
| CN214394697U (en) * | 2020-12-30 | 2021-10-15 | 安徽科达机电有限公司 | Concrete body cutting machine |
| CN215146844U (en) * | 2021-07-26 | 2021-12-14 | 苏州亿安达精密塑胶制品有限公司 | Engraving machine convenient for replacing cutter |
| CN113560613A (en) * | 2021-08-30 | 2021-10-29 | 淮安西德工业设计有限公司 | Four-axis precision lathe |
| CN216299730U (en) * | 2021-09-01 | 2022-04-15 | 山东东风双隆机械有限公司 | Aerated concrete panel side fluting device |
| CN114102224A (en) * | 2021-12-28 | 2022-03-01 | 吕秀宝 | Intelligent cutting device with overheat protection function for machining center |
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