CN110919874A - Ceramic tile rapid drilling machine for civil engineering construction - Google Patents
Ceramic tile rapid drilling machine for civil engineering construction Download PDFInfo
- Publication number
- CN110919874A CN110919874A CN201911265122.2A CN201911265122A CN110919874A CN 110919874 A CN110919874 A CN 110919874A CN 201911265122 A CN201911265122 A CN 201911265122A CN 110919874 A CN110919874 A CN 110919874A
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- ceramic tile
- drilling machine
- civil engineering
- ring
- engineering construction
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- 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
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
-
- 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
-
- 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
- B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
-
- 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
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
- B28D7/046—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work the supporting or holding device being of the vacuum type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a ceramic tile rapid drilling machine for civil engineering construction, which structurally comprises a base, a lifter, a placing table, a lifting column, a balancing weight, a motor, a driver, a machine body, a lifting adjusting rod, a powder collecting mechanism and a drill bit, wherein the balancing weight is installed on the front end surface of the base, and the lifting column is connected to the rear end of the base, so that the ceramic tile rapid drilling machine has the advantages that: according to the invention, the bottom ring is arranged at the bottom of the disc and is of a horn-shaped structure, so that the disc can firmly absorb the ceramic tile, and the absorption groove can absorb the powder; a pressure relief device is arranged on the bottom ring, after the hole is drilled, the deflector rod is stirred to slide in the arc-shaped groove, the gap between the folding ring and the bottom ring is opened, the external air flow is communicated with the bottom ring, the bottom ring is reset and arched, and the disc is taken down from the ceramic tile by slight force; be equipped with the elasticity adsorption tube, the disc structure of elasticity adsorption tube for the screw thread can adjust the distance of fixing device and ceramic tile laminating, adapts to the difference in height between ceramic tile and the drill bit.
Description
Technical Field
The invention discloses a ceramic tile rapid drilling machine for civil engineering construction, and belongs to the technical field of ceramic tile rapid drilling machines.
Background
In civil engineering construction, a built blank house is required to be renovated, and tiles are often required to be laid on indoor bottom plates and wall surfaces so as to achieve the expected decoration effect; the ceramic tile all is the specification article when producing, when meetting some places that need leave the hole, need drill hole to the ceramic tile, adds man-hour to the ceramic tile of bright face, can produce white powder, and these powders can spread everywhere under the high-speed rotation of drill bit, and when indoor having certain air flow, the powder can be along with the air is wandering everywhere, influences operating personnel's breathing healthily.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a rapid ceramic tile drilling machine for civil engineering construction, so as to solve the problems.
In order to achieve the purpose, the invention is realized by the following technical scheme: a ceramic tile rapid drilling machine for civil engineering construction structurally comprises a base, a lifter, a placing table, a lifting column, a balancing weight, a motor, a driver, a machine body, a lifting adjusting rod, a powder collecting mechanism and a drill bit, wherein the balancing weight is installed on the front end face of the base, the lifting column is connected to the rear end of the base, the placing table is matched with the lifting column through the lifter, the machine body is installed above the lifting column, the motor is installed at the rear end of the machine body, the drill bit is arranged at the front end of the machine body, the motor is in transmission connection with the drill bit through the driver, the lifting adjusting rod is arranged on the right side of the front end of the machine body, and the powder collecting;
preferably, the powder collecting mechanism consists of a connecting seat, a collecting frame, an expansion joint and a fixing device, wherein the connecting seat is arranged at the top of the collecting frame, and the bottom of the collecting frame is movably connected with the fixing device through the expansion joint.
Preferably, the method comprises the following steps: the middle of the connecting seat and the collecting frame is provided with a through hole, and the through hole is in clearance fit with the drill bit.
Preferably, the collection frame comprises a negative pressure fan, a connecting pipe and a powder collection tank, and the negative pressure fan is connected with the top of the powder collection tank through the connecting pipe.
Preferably, the expansion joint is internally composed of an elastic adsorption pipe and a ring cavity, the ring cavity is communicated with the through hole, the elastic adsorption pipe is of an annular structure, and the ring cavity is formed in the middle of the elastic adsorption pipe.
Preferably, the elastic adsorption tube has a thread structure, and the top of the elastic adsorption tube is connected with the opening at the bottom of the powder collecting groove, and the bottom of the elastic adsorption tube is connected with the fixing device.
Preferably, the fixing device comprises a disc, a bottom ring, a pressure relief device, an opening and an adsorption groove, the disc is arranged in the middle of the disc, the bottom of the disc is connected with the bottom ring, the adsorption groove is arranged on the outer side of the opening, and the pressure relief device is arranged on the disc above the bottom ring.
Preferably, the pressure relief device comprises an arc-shaped groove, a shifting rod and a folding ring, wherein the shifting rod is arranged in the arc-shaped groove, the shifting rod is connected with the top of the folding ring, and the folding ring is movably matched with a part of gaps on the top of the bottom ring.
Preferably, the adsorption groove is communicated with the inner side of the through hole, and the suction port of the adsorption groove is in a round angle structure.
Preferably, the bottom ring is in a horn mouth structure.
Preferably, the opening of the adsorption tank is communicated with the top of the adsorption tank through an elastic adsorption pipe.
Advantageous effects
The invention relates to a ceramic tile rapid drilling machine for civil engineering construction, which has the following beneficial effects:
according to the invention, the bottom ring is arranged at the bottom of the disc and is of a horn-shaped structure, so that the disc can firmly absorb the ceramic tile, and the absorption groove can absorb the powder;
the pressure relief device is arranged on the bottom ring, after the hole is drilled, the deflector rod is stirred to slide in the arc-shaped groove, the gap between the folding ring and the bottom ring is opened, the external air flow is communicated with the bottom ring, the bottom ring is reset and arched, and the disc is taken down from the ceramic tile by slight force;
the ceramic tile drill is provided with the elastic adsorption tube, the elastic adsorption tube is of a threaded disc-shaped structure, the distance between the fixing device and a ceramic tile can be adjusted, and the ceramic tile drill is suitable for the height difference between the ceramic tile and the drill.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a rapid ceramic tile drilling machine for civil engineering construction according to the present invention;
FIG. 2 is a schematic view of a first construction of a powder collection mechanism according to the present invention;
FIG. 3 is a second schematic cross-sectional view of a powder collection mechanism of the present invention;
FIG. 4 is a schematic top view of a fixing device according to the present invention;
FIG. 5 is a schematic cross-sectional view of the front surface of a disk according to the present invention.
In the figure: the device comprises a base-1, a lifter-2, a placing table-3, a lifting column-4, a balancing weight-5, a motor-6, a driver-7, a machine body-8, a lifting adjusting rod-9, a drill-10, a powder collecting mechanism-11, a connecting seat-a, a collecting frame-b, an expansion joint-c, a fixing device-d, a through hole-12, a negative pressure fan-b 1, a connecting pipe-b 2, a powder collecting groove-b 3, an elastic adsorption pipe-c 1, a ring cavity-c 2, a disc-d 1, a bottom ring-d 2, a pressure relief device-d 3, a through hole-d 4, an adsorption groove-d 5, an arc groove-e 1, a driving lever-e 2, a folding ring-e 3 and a fillet-f.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 5, the present invention provides a technical scheme of a rapid ceramic tile drilling machine for civil engineering construction:
as shown in fig. 1 and 2, the powder collecting device structurally comprises a base 1, a lifter 2, a placing table 3, a lifting column 4, a balancing weight 5, a motor 6, a driver 7, a machine body 8, a lifting adjusting rod 9, a powder collecting mechanism 11 and a drill bit 10, wherein the balancing weight 5 is installed on the front end surface of the base 1, the lifting column 4 is connected to the rear end of the base 1, the placing table 3 is matched with the lifting column 4 through the lifter 2, the machine body 8 is installed above the lifting column 4, the motor 6 is installed at the rear end of the machine body 8, the drill bit 10 is arranged at the front end of the machine body 8, the motor 6 is in transmission connection with the drill bit 10 through the driver 7, the lifting adjusting rod 9 is arranged on the right side of the front end of the machine body 8, and the powder collecting;
the powder collecting mechanism 11 is composed of a connecting seat a, a collecting frame b, an expansion joint c and a fixing device d, the connecting seat a is arranged at the top of the collecting frame b, the bottom of the collecting frame b is movably connected with the fixing device d through the expansion joint c, and the powder collecting mechanism 11 adsorbs and collects powder generated by drilling.
As shown in fig. 3, a through hole 12 is opened in the middle of the connecting seat a and the collecting frame b, and the through hole 12 is in clearance fit with the drill 10.
The collecting frame b comprises a negative pressure fan b1, a connecting pipe b2 and a powder collecting groove b3, the negative pressure fan b1 is connected with the top of the powder collecting groove b3 through the connecting pipe b2, and the negative pressure fan b1 enables negative pressure airflow to be generated in the powder collecting groove b3 to suck powder.
The telescopic joint c is internally composed of an elastic adsorption pipe c1 and an annular cavity c2, the annular cavity c2 is communicated with the through hole 12, the elastic adsorption pipe c1 is of an annular structure, and the annular cavity c2 is arranged in the middle of the elastic adsorption pipe c 1.
Wherein, elasticity adsorption tube c1 is screw thread column structure, and the opening of top and powder collecting vat b3 bottom is connected, and the bottom is connected with fixing device d, and the distance that fixing device d and ceramic tile laminating can be adjusted to elasticity adsorption tube c1, adapts to the difference in height between ceramic tile and the drill bit 10.
As shown in fig. 4 and 5, the fixing device d includes a disk d1, a bottom ring d2, a pressure relief device d3, a port d4, and an adsorption groove d5, the disk d1 has a disk d1 in the middle and a bottom ring d2 connected to the bottom, the adsorption groove d5 is opened outside the port d4, the pressure relief device d3 is installed on the disk d1 above the bottom ring d2, and the pressure relief device d3 can reset the compressed bottom ring d 2.
The pressure relief device d3 comprises an arc-shaped groove e1, a shift lever e2 and a folding ring e3, the shift lever e2 is mounted in the arc-shaped groove e1, the shift lever e2 is connected with the top of the folding ring e3, and the folding ring e3 is movably matched with a part of a gap on the top of the bottom ring d 2.
The adsorption groove d5 is communicated with the inner side of the through opening d4, the suction opening of the adsorption groove d5 is in a fillet f structure, and the fillet f can prevent powder from remaining at the through opening d 4.
Fixing a ceramic tile to be drilled on the placing table 3, driving a drill bit 10 to rotate at a high speed by a motor 6, determining the position of the ceramic tile to be drilled, vertically pulling down a disc d1, straightening an elastic adsorption tube c1, and forcibly pressing down a disc d1 to enable a bottom ring d2 to be stressed to expand outwards and firmly attach to the periphery of the ceramic tile to be drilled, and covering the drilling position with a through hole d 4; at this moment, operation lift adjustment pole 9, make drill bit 10 bore down, drill the ceramic tile, the powder that the drilling produced is by the negative pressure air current that powder collecting vat b3 produced, absorb in powder collecting vat b3 through elasticity adsorption tube c1 from adsorption tank d5, prevent that the powder that the drilling produced can be along with the air drift everywhere, after having bored the hole, drill bit 10 rises upwards, stir driving lever e2 and slide at arc groove e1, folding ring e3 is opened with bottom ring d2 matched with breach, outside air current communicates with each other with bottom ring d2, bottom ring d2 resets and arches, take off disc d1 from the ceramic tile with exerting oneself gently.
The foregoing merely illustrates the principles and preferred embodiments of the invention and many variations and modifications may be made by those skilled in the art in light of the foregoing disclosure, which are intended to be within the scope of the invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a civil engineering construction is with quick drilling machine of ceramic tile which characterized in that: the structure of the device comprises a base (1), a lifter (2), a placing table (3), a lifting column (4), a balancing weight (5), a motor (6), a driver (7), a machine body (8), a lifting adjusting rod (9), a powder collecting mechanism (11) and a drill bit (10), the front end surface of the base (1) is provided with a balancing weight (5), the rear end is connected with a lifting column (4), the placing table (3) is matched with the lifting column (4) through the lifter (2), a machine body (8) is arranged above the lifting column (4), a motor (6) is arranged at the rear end of the machine body (8), a drill bit (10) is arranged at the front end of the machine body, the motor (6) is in transmission connection with the drill bit (10) through a driver (7), a lifting adjusting rod (9) is arranged on the right side of the front end of the machine body (8), and the powder collecting mechanism (11) is arranged above the drill bit (10);
the powder collecting mechanism (11) is composed of a connecting seat (a), a collecting frame (b), an expansion joint (c) and a fixing device (d), wherein the connecting seat (a) is arranged at the top of the collecting frame (b), and the bottom of the collecting frame (b) is movably connected with the fixing device (d) through the expansion joint (c).
2. The rapid ceramic tile drilling machine for civil engineering construction as claimed in claim 1, wherein: the middle of the connecting seat (a) and the collecting frame (b) is provided with a through hole (12), and the through hole (12) is in clearance fit with the drill bit (10).
3. The rapid ceramic tile drilling machine for civil engineering construction as claimed in claim 1, wherein: the collection frame (b) comprises a negative pressure fan (b 1), a connecting pipe (b 2) and a powder collection groove (b 3), and the negative pressure fan (b 1) is connected with the top of the powder collection groove (b 3) through the connecting pipe (b 2).
4. The rapid ceramic tile drilling machine for civil engineering construction as claimed in claim 1, wherein: the telescopic joint (c) is internally composed of an elastic adsorption pipe (c 1) and a ring cavity (c 2), the ring cavity (c 2) is communicated with the through hole (12), and the elastic adsorption pipe (c 1) is of an annular structure and is provided with the ring cavity (c 2) in the middle.
5. The rapid ceramic tile drilling machine for civil engineering construction as claimed in claim 4, wherein: the elastic adsorption pipe (c 1) is in a thread-shaped structure, the top of the elastic adsorption pipe is connected with an opening at the bottom of the powder collecting groove (b 3), and the bottom of the elastic adsorption pipe is connected with the fixing device (d).
6. The rapid ceramic tile drilling machine for civil engineering construction as claimed in claim 5, wherein: fixing device (d) comprises disc (d 1), end ring (d 2), pressure relief ware (d 3), opening (d 4), adsorption tank (d 5), open in the middle of disc (d 1) have disc (d 1) and the bottom is connected with end ring (d 2), open in opening (d 4) the outside has adsorption tank (d 5), pressure relief ware (d 3) are installed to disc (d 1) of end ring (d 2) top.
7. The rapid ceramic tile drilling machine for civil engineering construction as claimed in claim 6, wherein: the pressure relief device (d 3) is composed of an arc-shaped groove (e 1), a shifting rod (e 2) and a folding ring (e 3), the shifting rod (e 2) is installed inside the arc-shaped groove (e 1), the shifting rod (e 2) is connected with the top of the folding ring (e 3), and the folding ring (e 3) is movably matched with a part of a gap at the top of the bottom ring (d 2).
8. The rapid ceramic tile drilling machine for civil engineering construction as claimed in claim 6, wherein: the adsorption groove (d 5) is communicated with the inner side of the through hole (d 4), and the suction port of the adsorption groove (d 5) is in a round angle (f) structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911265122.2A CN110919874B (en) | 2019-12-11 | 2019-12-11 | Ceramic tile rapid drilling machine for civil engineering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911265122.2A CN110919874B (en) | 2019-12-11 | 2019-12-11 | Ceramic tile rapid drilling machine for civil engineering construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110919874A true CN110919874A (en) | 2020-03-27 |
| CN110919874B CN110919874B (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911265122.2A Expired - Fee Related CN110919874B (en) | 2019-12-11 | 2019-12-11 | Ceramic tile rapid drilling machine for civil engineering construction |
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| Country | Link |
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| CN (1) | CN110919874B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113492462A (en) * | 2021-07-13 | 2021-10-12 | 祝凤 | Building monitoring marks auxiliary erection equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1842612A1 (en) * | 2006-04-07 | 2007-10-10 | Makita Corporation | Dust collecting cup |
| CN102705576A (en) * | 2012-06-28 | 2012-10-03 | 宁夏荣华缘科技有限公司 | Valve sucker |
| CN205380512U (en) * | 2015-12-22 | 2016-07-13 | 上海沃能实业有限公司 | Drilling machine suction hood |
| CN107639255A (en) * | 2017-10-30 | 2018-01-30 | 南通豪鼎光伏科技有限公司 | It is a kind of can different angle drilling drilling machine |
| CN207696701U (en) * | 2017-12-25 | 2018-08-07 | 深圳市安东尼奥家具有限公司 | A kind of wood drilling machine and its dust-collecting mechanism |
| CN207954335U (en) * | 2018-02-28 | 2018-10-12 | 青岛建设集团有限公司 | Ceramic tile perforating device |
| CN209532154U (en) * | 2018-12-26 | 2019-10-25 | 上海美客铝制品有限公司 | A kind of drilling machine and its clamping device for cylindrical work |
-
2019
- 2019-12-11 CN CN201911265122.2A patent/CN110919874B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1842612A1 (en) * | 2006-04-07 | 2007-10-10 | Makita Corporation | Dust collecting cup |
| CN102705576A (en) * | 2012-06-28 | 2012-10-03 | 宁夏荣华缘科技有限公司 | Valve sucker |
| CN205380512U (en) * | 2015-12-22 | 2016-07-13 | 上海沃能实业有限公司 | Drilling machine suction hood |
| CN107639255A (en) * | 2017-10-30 | 2018-01-30 | 南通豪鼎光伏科技有限公司 | It is a kind of can different angle drilling drilling machine |
| CN207696701U (en) * | 2017-12-25 | 2018-08-07 | 深圳市安东尼奥家具有限公司 | A kind of wood drilling machine and its dust-collecting mechanism |
| CN207954335U (en) * | 2018-02-28 | 2018-10-12 | 青岛建设集团有限公司 | Ceramic tile perforating device |
| CN209532154U (en) * | 2018-12-26 | 2019-10-25 | 上海美客铝制品有限公司 | A kind of drilling machine and its clamping device for cylindrical work |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113492462A (en) * | 2021-07-13 | 2021-10-12 | 祝凤 | Building monitoring marks auxiliary erection equipment |
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| Publication number | Publication date |
|---|---|
| CN110919874B (en) | 2021-06-04 |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhu Yueqiang Inventor after: Zhang Xiuyu Inventor after: Zong Chuanlei Inventor after: Zhu Hailang Inventor before: Zhu Hailang |
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Effective date of registration: 20210519 Address after: 250299 Room 102, unit 2, building 3, Zhanwang Village apartment, Mingshui sub district office, Zhangqiu District, Jinan City, Shandong Province Applicant after: Zhu Yueqiang Address before: 102488 courtyard 26, South Shanggang East Road, Liangxiang Town, Fangshan District, Beijing Applicant before: Zhu Hailang |
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