CN108340444A - A kind of Furniture manufacturing plate surface drilling equipment - Google Patents
A kind of Furniture manufacturing plate surface drilling equipment Download PDFInfo
- Publication number
- CN108340444A CN108340444A CN201810168495.7A CN201810168495A CN108340444A CN 108340444 A CN108340444 A CN 108340444A CN 201810168495 A CN201810168495 A CN 201810168495A CN 108340444 A CN108340444 A CN 108340444A
- Authority
- CN
- China
- Prior art keywords
- upright bar
- fixedly connected
- bar
- drilling equipment
- furniture manufacturing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C3/00—Drilling machines or drilling devices; Equipment therefor
- B27C3/02—Stationary drilling machines with a single working spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G3/00—Arrangements for removing bark-zones, chips, waste, or dust, specially designed for use in connection with wood-working machine or in wood-working plants
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a kind of Furniture manufacturing plate surface drilling equipments, including device body, described device body bottom portion is equipped with pedestal, the base top both sides are respectively fixedly connected with the first upright bar and the second upright bar, first upright bar and the second upright bar inner wall both ends have been fixedly connected with the first mounting base, the present invention is by being arranged the first rotary electric machine, lead screw and slide bar, first rotary electric machine drives lead screw rotation to drive the sliding block being connect with wire rod thread movement, sliding block movement drives slide plate to be moved up and down along slide bar, so as to change the height of borehole drill construction, it is convenient for drilling;By the way that induced draft fans and slug collection case is arranged, when device body is in drilling, the scrap for the generation that drills is drawn by induced draft fans in slug collection case, ensure that the cleaning of machine table on device body;It is detachably connected, is conveniently replaceable by erection joint between borehole drill construction and installation sleeve, convenient later maintenance.
Description
Technical field:
The present invention relates to Furniture manufacturing technical field, more particularly to a kind of Furniture manufacturing plate surface drilling equipment.
Background technology:
Furniture refers to that the mankind maintain normal life, are engaged in production practices and carry out the essential utensil facility of social activities
Major class.Furniture also follows the step in epoch to continue to develop innovation, and of a great variety by now, materials are different, great variety of goods, and purposes is not
One.Furniture is made of material, structure, appearance forrns and function four factors, and wherein function is guide, is to push furniture development
Power;Structure is trunk, is the basis for realizing function.These four factors interknit, and condition each other.Due to furniture be for
Meet people certain material requisite and the design and fabrication using purpose, therefore furniture also has material and appearance forrns
The factor of aspect.Made of common furniture mostly uses sheet fabrication, plank is adding man-hour requirement to drill, existing drilling equipment
Structure is single, a large amount of scrap, processing environment easy to pollute is easy tod produce in boring procedure, therefore provide a kind of Furniture manufacturing plate
Material surface drilling device.
Invention content:
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of Furniture manufacturing plate surface drilling dress
It sets, solves the problems, such as of the existing technology, pass through and the first rotary electric machine, lead screw and slide bar are set, the first rotary electric machine drives
Lead screw rotation is to drive the sliding block being connect with wire rod thread movement, sliding block movement that slide plate is driven along slide bar move down
It is dynamic, so as to change the height of borehole drill construction, it is convenient for drilling;By the way that induced draft fans and slug collection case is arranged, work as dress
Ontology is set in drilling, the scrap for the generation that drills is drawn by induced draft fans in slug collection case, ensure that on device body
The cleaning of machine table;It is detachably connected, is conveniently replaceable by erection joint between borehole drill construction and installation sleeve, later maintenance
It is convenient.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions:
A kind of Furniture manufacturing plate surface drilling equipment, including device body, described device body bottom portion are equipped with bottom
Seat, the base top both sides are respectively fixedly connected with the first upright bar and the second upright bar, first upright bar and second upright bar
Inner wall both ends have been fixedly connected with the first mounting base, are fixedly connected with slide bar between two first mounting bases, and described first
Upright bar inner wall both ends have been fixedly connected with the second mounting base, and lead screw is fixedly connected between two second mounting bases, described
Slide plate is provided between first upright bar and second upright bar, both sides are both provided with through-hole at the top of the slide plate, and the slide plate is logical
It crosses the through-hole to connect with the sliding bar, the slide plate side is fixedly connected with sliding block, and the slider top is provided with spiral shell
Pit, the sliding block are connect by the threaded hole with the wire rod thread.
Preferably, the slide plate side end surface is fixedly connected with mounting plate, and the second rotation is equipped at the top of the mounting plate
The output end of motor, second rotary electric machine is connected with retarder, and the mounting plate bottom end is connected with installation sleeve, institute
It states installation sleeve top to connect with the output end of the retarder, the installation sleeve bottom end is equipped with borehole drill construction, the brill
Mobile jib is provided on holes mechanism, the mobile jib top is fixedly connected with erection joint, and the borehole drill construction is connect by the installation
Head is detachably connected with the installation sleeve bottom end, and the mobile jib bottom end is equipped with drill bit.
Preferably, the first upright bar inner wall bottom end is fixedly connected with motor rack, is removably connected on the motor rack
First rotary electric machine, the output end of first rotary electric machine are connect with the lead screw bottom end.
Preferably, the base top is installed with machine table, and the machine table is located at first upright bar and described
Between second upright bar.
Preferably, second bottom of upright rod both sides are separately installed with slug collection case and induced draft fans, the exhausting wind
The gas outlet of machine is connect by pipeline with the air inlet of the slug collection case.
Preferably, the inlet end of the induced draft fans is located at the side of machine table.
Preferably, two first mounting bases in first upright bar are located between two second mounting bases.
Preferably, first upright bar and second upright bar is highly consistent.
Beneficial effects of the present invention:
The present invention drives lead screw rotation to band by the way that the first rotary electric machine, lead screw and slide bar, the first rotary electric machine is arranged
The dynamic sliding block movement being connect with wire rod thread, sliding block movement drives slide plate to be moved up and down along slide bar, so as to change
The height of borehole drill construction is convenient for drilling;By the way that induced draft fans and slug collection case is arranged, when device body is in drilling,
The scrap that drilling generates is drawn by induced draft fans in slug collection case, ensure that the cleaning of machine table on device body;
It is detachably connected, is conveniently replaceable by erection joint between borehole drill construction and installation sleeve, convenient later maintenance.
Description of the drawings:
The present invention is described in detail by following specific implementations and attached drawing for ease of explanation,.
Fig. 1 is a kind of structural schematic diagram of Furniture manufacturing plate surface drilling equipment of the present invention;
Fig. 2 is a kind of borehole drill construction structural schematic diagram of Furniture manufacturing plate surface drilling equipment of the present invention;
Fig. 3 is a kind of skateboard schematic diagram of Furniture manufacturing plate surface drilling equipment of the present invention.
In figure;1- device bodies, 2- pedestals, the first upright bars of 3-, the second upright bars of 4-, 5- machine tables, 6- slug collections case, 7-
Induced draft fans, 8- pipelines, the first mounting bases of 9-, 10- slide bars, the second mounting bases of 11-, 12- lead screws, 13- motor racks, 14- first
Rotary electric machine, 15- slide plates, 16- sliding blocks, 17- mounting plates, the second rotary electric machines of 18-, 19- retarders, 20- installation sleeves, 21-
Borehole drill construction, 22- mobile jibs, 23- erection joints, 24- drill bits, 25- through-holes, 26- threaded holes.
Specific implementation mode:
As shown in Figs. 1-3, present embodiment uses following technical scheme:A kind of Furniture manufacturing is drilled with plate surface
Device, including device body 1,1 bottom of described device ontology are equipped with pedestal 2, and 2 top both sides of the pedestal are respectively fixedly connected with
First upright bar 3 and the second upright bar 4, first upright bar 3 and second upright bar, 4 inner wall both ends have been fixedly connected with the first installation
Seat 9 is fixedly connected with slide bar 10 between two first mounting bases 9, and first upright bar, 3 inner wall both ends have been fixedly connected with
Second mounting base 11 is fixedly connected with lead screw 12, first upright bar 3 and described second between two second mounting bases 11
Slide plate 15 is provided between upright bar 4,15 top both sides of the slide plate are both provided with through-hole 25, and the slide plate 15 passes through the through-hole
25 are slidably connected with the slide bar 10, and 15 side of the slide plate is fixedly connected with sliding block 16, and 16 top of the sliding block is provided with spiral shell
Pit 26, the sliding block 16 are threadedly coupled by the threaded hole 26 with the lead screw 12.
Wherein, 15 side end surface of the slide plate is fixedly connected with mounting plate 17, and 17 top of the mounting plate is equipped with second
The output end of rotary electric machine 18, second rotary electric machine 18 is connected with retarder 19, the flexible connection of 17 bottom end of the mounting plate
There are installation sleeve 20,20 top of the installation sleeve to be connect with the output end of the retarder 19,20 bottom end of the installation sleeve
Borehole drill construction 21 is installed, mobile jib 22 is provided on the borehole drill construction 21,22 top of the mobile jib is fixedly connected with installation and connects
First 23, the borehole drill construction 21 is detachably connected by the erection joint 23 and 20 bottom end of the installation sleeve, the mobile jib
22 bottom ends are equipped with drill bit 24.
Wherein, first upright bar, 3 inner wall bottom end is fixedly connected with motor rack 13, is detachably connected on the motor rack 13
There are the first rotary electric machine 14, the output end of first rotary electric machine 14 to be connect with 12 bottom end of the lead screw, passes through the first rotation
Motor 14 drives lead screw 12 to be rotated.
Wherein, 2 top of the pedestal is installed with machine table 5, and the machine table 5 is located at first upright bar 3 and institute
Between stating the second upright bar 4, plank hole to be drilled is placed in machine table 5.
Wherein, 4 two bottom sides of the second upright bar are separately installed with slug collection case 6 and induced draft fans 7, the exhausting wind
The gas outlet of machine 7 is connect by pipeline 8 with the air inlet of the slug collection case 6, by 7 exhausting of induced draft fans, can will be bored
In the scrap sucking slug collection case 6 generated during hole, the cleaning of processing environment ensure that.
Wherein, the inlet end of the induced draft fans 7 is located at the side of machine table 5.
Wherein, two first mounting bases 9 in first upright bar 3 be located at two second mounting bases 11 it
Between.
Wherein, first upright bar 3 and second upright bar 4 is highly consistent.
Specifically:A kind of Furniture manufacturing plate surface drilling equipment adds in use, being first placed on plank to be processed
On work platform 5, then start the first rotary electric machine 14, the first rotary electric machine 14 drives lead screw 12 to rotate, to drive and lead screw 12
The sliding block 16 of threaded connection is slided, and the sliding of sliding block 16 drives slide plate 15 along 10 slide downward of slide bar, downward in slide plate 15
While sliding, starting the second rotary electric machine 18, the second rotary electric machine 18 drives installation sleeve 20 to rotate by retarder 19, from
And the drill bit 24 on borehole drill construction 21 is driven to rotate, and the drill bit 24 and web contact of rotation, to complete to drill, the process of drilling
Middle startup induced draft fans 7 can ensure that processing ring quickly by the scrap generated in boring procedure sucking slug collection case 6
The cleaning in border.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, the technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of Furniture manufacturing plate surface drilling equipment, including device body (1), it is characterised in that:Described device ontology
(1) bottom is equipped with pedestal (2), and both sides are respectively fixedly connected with the first upright bar (3) and the second upright bar (4) at the top of the pedestal (2),
First upright bar (3) and second upright bar (4) inner wall both ends have been fixedly connected with the first mounting base (9), two described
Slide bar (10) is fixedly connected between one mounting base (9), the first upright bar (3) inner wall both ends have been fixedly connected with the second installation
Seat (11) is fixedly connected with lead screw (12), first upright bar (3) and described second between two second mounting bases (11)
Slide plate (15) is provided between upright bar (4), both sides are both provided with through-hole (25) at the top of the slide plate (15), and the slide plate (15) is logical
It crosses the through-hole (25) to be slidably connected with the slide bar (10), slide plate (15) side is fixedly connected with sliding block (16), described
It is provided with threaded hole (26) at the top of sliding block (16), the sliding block (16) passes through the threaded hole (26) and the lead screw (12) screw thread
Connection.
2. a kind of Furniture manufacturing plate surface drilling equipment according to claim 1, it is characterised in that:The slide plate
(15) side end surface is fixedly connected with mounting plate (17), and the second rotary electric machine (18), institute are equipped at the top of the mounting plate (17)
The output end for stating the second rotary electric machine (18) is connected with retarder (19), and mounting plate (17) bottom end is connected with installation set
Cylinder (20), installation sleeve (20) top are connect with the output end of the retarder (19), installation sleeve (20) bottom end
Borehole drill construction (21) is installed, mobile jib (22) is provided on the borehole drill construction (21), mobile jib (22) top is fixedly connected
There are erection joint (23), the borehole drill construction (21) removable by the erection joint (23) and the installation sleeve (20) bottom end
Connection is unloaded, mobile jib (22) bottom end is equipped with drill bit (24).
3. a kind of Furniture manufacturing plate surface drilling equipment according to claim 1, it is characterised in that:Described first is vertical
Bar (3) inner wall bottom end is fixedly connected with motor rack (13), and the first rotary electric machine is removably connected on the motor rack (13)
(14), the output end of first rotary electric machine (14) is connect with the lead screw (12) bottom end.
4. a kind of Furniture manufacturing plate surface drilling equipment according to claim 1, it is characterised in that:The pedestal
(2) top is installed with machine table (5), and the machine table (5) is located at first upright bar (3) and second upright bar (4)
Between.
5. a kind of Furniture manufacturing plate surface drilling equipment according to claim 1, it is characterised in that:Described second is vertical
Bar (4) two bottom sides are separately installed with slug collection case (6) and induced draft fans (7), and the gas outlet of the induced draft fans (7) passes through
Pipeline (8) is connect with the air inlet of the slug collection case (6).
6. a kind of Furniture manufacturing plate surface drilling equipment according to claim 5, it is characterised in that:The exhausting wind
The inlet end of machine (7) is located at the side of machine table (5).
7. a kind of Furniture manufacturing plate surface drilling equipment according to claim 1, it is characterised in that:Described first is vertical
Two first mounting bases (9) on bar (3) are located between two second mounting bases (11).
8. a kind of Furniture manufacturing plate surface drilling equipment according to claim 1, it is characterised in that:Described first is vertical
Bar (3) is highly consistent with second upright bar (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810168495.7A CN108340444A (en) | 2018-02-28 | 2018-02-28 | A kind of Furniture manufacturing plate surface drilling equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810168495.7A CN108340444A (en) | 2018-02-28 | 2018-02-28 | A kind of Furniture manufacturing plate surface drilling equipment |
Publications (1)
Publication Number | Publication Date |
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CN108340444A true CN108340444A (en) | 2018-07-31 |
Family
ID=62959585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810168495.7A Pending CN108340444A (en) | 2018-02-28 | 2018-02-28 | A kind of Furniture manufacturing plate surface drilling equipment |
Country Status (1)
Country | Link |
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CN (1) | CN108340444A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108972733A (en) * | 2018-08-07 | 2018-12-11 | 潘奕儒 | A kind of plank orientation perforating device |
CN109105160A (en) * | 2018-08-15 | 2019-01-01 | 陈景 | A kind of rotten trunk punch of agricultural agaric plantation |
CN109500927A (en) * | 2018-11-27 | 2019-03-22 | 张玉真 | A kind of high-precision Furniture panel drilling device |
CN109719566A (en) * | 2018-12-30 | 2019-05-07 | 扬州市方圆机电制造有限公司 | A kind of bench drill of detectable temperature of diamond bit |
CN110640182A (en) * | 2019-11-06 | 2020-01-03 | 湖州师范学院 | Clamping mechanism for drilling circular seat plate of circular seat |
CN113276222A (en) * | 2021-06-23 | 2021-08-20 | 窦飞 | Drilling mechanism suitable for building timber is used |
CN115741895A (en) * | 2022-12-30 | 2023-03-07 | 瑞昌市兴海王子家具有限公司 | Panel drilling equipment for furniture processing |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104889439A (en) * | 2015-05-22 | 2015-09-09 | 蚌埠市金林数控机床制造有限公司 | Machine tool removing chips conveniently |
CN205733106U (en) * | 2016-05-07 | 2016-11-30 | 沈彬贤 | A kind of valve processing boring machine |
CN106514421A (en) * | 2016-12-08 | 2017-03-22 | 无锡市彩云机械设备有限公司 | Drilling machine facilitating scrap collection |
CN206200180U (en) * | 2016-11-14 | 2017-05-31 | 深圳市锐鼎制工科技有限公司 | A kind of drilling equipment of convenient fixed mobile phone shell |
CN107150416A (en) * | 2017-07-12 | 2017-09-12 | 汪振辉 | A kind of building stone multi-directional drilling device |
CN107425673A (en) * | 2017-06-19 | 2017-12-01 | 苏锦忠 | A kind of coil motor supports apparatus for placing with performance detection |
CN107492996A (en) * | 2017-09-26 | 2017-12-19 | 朱友富 | A kind of sewage disposal motor produces and uses rotor dispersing sheet overlapping device |
CN206883836U (en) * | 2017-07-11 | 2018-01-16 | 华北理工大学 | A kind of woodworking engraving-milling machine with dust-absorbing function |
CN206898423U (en) * | 2017-07-12 | 2018-01-19 | 象山高创机械制造有限公司 | Automatic drilling device of turning |
CN206912298U (en) * | 2017-06-22 | 2018-01-23 | 周滋昊 | A kind of circuit board rapid drilling device |
-
2018
- 2018-02-28 CN CN201810168495.7A patent/CN108340444A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104889439A (en) * | 2015-05-22 | 2015-09-09 | 蚌埠市金林数控机床制造有限公司 | Machine tool removing chips conveniently |
CN205733106U (en) * | 2016-05-07 | 2016-11-30 | 沈彬贤 | A kind of valve processing boring machine |
CN206200180U (en) * | 2016-11-14 | 2017-05-31 | 深圳市锐鼎制工科技有限公司 | A kind of drilling equipment of convenient fixed mobile phone shell |
CN106514421A (en) * | 2016-12-08 | 2017-03-22 | 无锡市彩云机械设备有限公司 | Drilling machine facilitating scrap collection |
CN107425673A (en) * | 2017-06-19 | 2017-12-01 | 苏锦忠 | A kind of coil motor supports apparatus for placing with performance detection |
CN206912298U (en) * | 2017-06-22 | 2018-01-23 | 周滋昊 | A kind of circuit board rapid drilling device |
CN206883836U (en) * | 2017-07-11 | 2018-01-16 | 华北理工大学 | A kind of woodworking engraving-milling machine with dust-absorbing function |
CN107150416A (en) * | 2017-07-12 | 2017-09-12 | 汪振辉 | A kind of building stone multi-directional drilling device |
CN206898423U (en) * | 2017-07-12 | 2018-01-19 | 象山高创机械制造有限公司 | Automatic drilling device of turning |
CN107492996A (en) * | 2017-09-26 | 2017-12-19 | 朱友富 | A kind of sewage disposal motor produces and uses rotor dispersing sheet overlapping device |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108972733A (en) * | 2018-08-07 | 2018-12-11 | 潘奕儒 | A kind of plank orientation perforating device |
CN109105160A (en) * | 2018-08-15 | 2019-01-01 | 陈景 | A kind of rotten trunk punch of agricultural agaric plantation |
CN109500927A (en) * | 2018-11-27 | 2019-03-22 | 张玉真 | A kind of high-precision Furniture panel drilling device |
CN109719566A (en) * | 2018-12-30 | 2019-05-07 | 扬州市方圆机电制造有限公司 | A kind of bench drill of detectable temperature of diamond bit |
CN109719566B (en) * | 2018-12-30 | 2021-05-04 | 扬州市方圆机电制造有限公司 | Bench drill of detectable drill bit temperature |
CN110640182A (en) * | 2019-11-06 | 2020-01-03 | 湖州师范学院 | Clamping mechanism for drilling circular seat plate of circular seat |
CN113276222A (en) * | 2021-06-23 | 2021-08-20 | 窦飞 | Drilling mechanism suitable for building timber is used |
CN115741895A (en) * | 2022-12-30 | 2023-03-07 | 瑞昌市兴海王子家具有限公司 | Panel drilling equipment for furniture processing |
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Application publication date: 20180731 |