CN109070197A - Lifting unit - Google Patents
Lifting unit Download PDFInfo
- Publication number
- CN109070197A CN109070197A CN201780029565.4A CN201780029565A CN109070197A CN 109070197 A CN109070197 A CN 109070197A CN 201780029565 A CN201780029565 A CN 201780029565A CN 109070197 A CN109070197 A CN 109070197A
- Authority
- CN
- China
- Prior art keywords
- lifting
- shell
- dust
- guide pin
- lifting unit
- 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
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C23/00—Tools; Devices not mentioned before for moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D45/00—Equipment for casting, not otherwise provided for
Abstract
Present invention offer can be vertically moved up or down super hole cutter and be difficult to generate the lifting unit of the failure as caused by foundry sand, dust.The inside of the shell (9) of positive pressure, the enclosed lifting guide device (4) for making the lifting transmission mechanism and vertical guide of lifting body (3c) lifting lifting body (3c) by motor (2) driving are maintained in inside.Lifting body (3c) is combined via the super hole cutter (11) of guide pin (10) and the outside of shell (9), has been carried out by shell through portion of the dust seal (12) to guide pin (10) dust-proof.Lifting transmission mechanism can be rack-and-pinion or be ball-screw.
Description
Technical field
The present invention relates to be suitable for assembling the lifting unit used in boring device of casting mold etc..
Background technique
In Casting mold manufacturing production line, riser, stomata are formed using super hole cutter to the casting mold produced.In order to carry out automatically
The aperture, the lifting unit in the past going up and down super hole cutter.
One of example is recorded in patent document 1.The lifting unit of the patent document 1 is the cylinder by lifting
Make the air motor of bit and the construction of super hole cutter lifting.But in aperture processing, due to foundry sand, dust
The piston rod etc. of the cylinder in naked state can be attached to by dispersing, therefore is existed and be easy to produce failure due to they engaging-in
Problem.
In addition, previous also use lifting unit shown in Fig. 3.It is to construct as follows, that is, in the internal vertical of shell 109
Linear guide apparatus 104 and ball-screw 103 are set, if the servo motor 102 by the lifting configured on top makes ball
Lead screw 103 rotates, then the lifting part 110 for having the nut 112 engaged with ball-screw 103 is gone up and down, and lifting part 110 is propped up
The swing roller spline 107 held is gone up and down.
Swing roller spline 107 is supported by the ball spline nuts 108 a pair of of up and down being arranged in the lower surface of shell 109
For that can rotate, and by shell 109 lower outside setting bit with servo motor 105 via synchronous belt
106 rotations.Through this construction, the super hole cutter 111 installed in the lower end of swing roller spline 107 can be made to rise while rotating
Drop.
In existing lifting unit shown in Fig. 3, linear guide apparatus 104 and ball-screw 103 are accommodated in shell 109
Inside, therefore be difficult to happen failure compared with the lifting unit of patent document 1.But the swing roller spline 107 of lifting is naked
Dew, and its section is concaveconvex shape, it is difficult to it is dust-proof, therefore foundry sand, the dust adhered to is possible to be brought into when rising
The inside of shell 109 keeps the ball spline nuts 108 of the inside of shell 109 damaged.
Summary of the invention
It therefore, can be vertical the purpose of the present invention is to provide a kind of lifting unit for being able to solve above-mentioned existing issue
Super hole cutter is gone up and down, and compared with the past is difficult to generate the failure as caused by foundry sand, dust.
Patent document 1: Japanese Patent Publication 59-4223 bulletin
In order to solve the above problems, lifting unit of the invention is characterized in that, is maintained the shell of positive pressure in inside
Inside, the lifting guide device of enclosed the lifting transmission mechanism and the lifting body for going up and down lifting body by motor driving, and
And the shell perforation by above-mentioned lifting body via guide pin in conjunction with the super hole cutter of shell exterior, by dust seal to guide pin
Portion has carried out dust-proof.
Furthermore it is preferred that said motor is the gear motor or servo motor configured in the outside of shell.On additionally, it is preferred that
Stating lifting transmission mechanism is rack-and-pinion or is ball-screw.
Lifting unit of the invention is that enclosed driven by motor in inside for being maintained the shell of positive pressure in inside makes to rise
The lifting transmission mechanism of body lifting and the lifting guide device of the lifting body drop and by above-mentioned lifting body via guide pin and outside
Super hole cutter outside shell combines to have carried out dust-proof construction by shell through portion of the dust seal to guide pin.Therefore,
It is capable of forming to be easy the shape of the section of the guide pin of sealing perforation shell, to improve the dust-proof effect using dust seal
Fruit.In addition, due to lifting unit of the invention, by be easy engaging-in foundry sand, dust by rack-and-pinion, ball-screw
The inside of the enclosed internal shell for being maintained positive pressure of the lifting transmission mechanism of composition, so being difficult to generate failure.
Also, since lifting unit of the invention is the structure by the lifting guide means guide lifting body of interior of shell
It makes, so can be improved rigidity, it being capable of high-precision and vertical lift super hole cutter.
The application based in Patent 2016-245069 filed in Japan's on December 19th, 2016 priority, in
Hold and be used as present context, and forms a part of the application.
In addition, the present invention can be more complete by following detailed description understanding.However, being described in detail and specifically implementing
Example is the preferred embodiment of the present invention, is merely to illustrate and records.According to the detailed description, for those skilled in the art
Speech, various changes change obviously.
Applicant is not intended to the embodiment that will be recorded to public, changes, in alternative solution disclosed, that
The embodiment that may be not included in wording in claims a bit is also theoretically a part of the invention.
In this specification perhaps record of claims unless stated otherwise or context clearly negates, otherwise
The noun and identical deictic word used should be interpreted that comprising single and multiple both sides.Provided by the present specification
The use of the term (such as " etc. ") of any illustration or illustration, is also merely intended to be easy to simply illustrate the present invention, unless special
It is not all described in the claims, otherwise not the scope of the present invention is limited.
Detailed description of the invention
Fig. 1 is the liter as first embodiment of the invention for indicating to use lifting transmission mechanism rack gear, pinion gear
The three-view diagram of unit drops, and (a) is top view, is (b) side view, be (c) main view.
Fig. 2 is the lifting list as second embodiment of the present invention for indicating to use lifting transmission mechanism ball-screw
The three-view diagram of member, (a) is top view, is (b) side view, be (c) main view.
Fig. 3 is the three-view diagram for indicating existing lifting unit, and it is (c) main view that (a), which is top view, is (b) side view,.
Specific embodiment
Hereinafter, being described with reference to the preferred embodiment of the present invention.In addition, in the various figures, for same or similar
Device marks same reference numerals, and omits repeated explanation.
Fig. 1 shows use rack gear, the lifting unit 1 of pinion gear to lifting transmission mechanism.
In Fig. 1,9 be the shell of box, is mounted on mobile unit 14 appropriate shown in double dot dash line, can be along in water
Two orthogonal axis directions are mobile in plane.In the inside of the shell 9, the left and right one as lifting guide device is vertically arranged
To linear guide apparatus 4,4.
The lifting transmission mechanism of first embodiment is made of rack gear 3a, pinion gear 3b and lifting body 3c.Rack gear 3a and liter
Drop body 3c is fixed as one.Moreover, lifting body 3c can be guided up and down by linear guide apparatus 4,4.
It is fixed with the servo motor 2 of lifting in the lateral surface of shell 9, output shaft penetrates through the wall surface and peace of shell 9
Equipped with pinion gear 3b.Therefore, if rotating pinion gear 3b by servo motor 2, rack gear 3a is together with lifting body 3c in shell 9
Inside lifting.In addition, the motor with retarder also can be used in servo motor 2.
Vertically extending guide pin 10 is fixed in the lower end of lifting body 3c.The bottom surface of the guide pin 10 perforation shell 9
Extend downward, but the shell through portion of guide pin 10 by dust seal 12 come dust-proof.In addition, from connector 13 to shell 9
Inside supply compressed air, the inside of shell 9 is maintained positive pressure always.Therefore, even if guide pin 10 is gone up and down, foundry sand,
Dust will not invade the inside of shell 9.
As shown, being vertically mounted bit servo motor via horizontal arm 15 in the lower part of guide pin 10
5, output shaft is combined by shaft coupling 6 with super hole cutter 11.
The lifting unit constituted in this way is moved in the horizontal direction by mobile unit 14 to specified position.Moreover, leading on one side
Crossing bit servo motor 5 rotates super hole cutter 11, on one side by servo motor 2 via the guiding installed in lifting body 3c
Nail 10 goes up and down super hole cutter 11, carries out aperture processing of casting mold etc..Lifting body 3c passes through linear guide apparatus in the inside of shell 9
4, it 4 vertically supports, therefore bit can be made vertically to be gone up and down with servo motor 5 and super hole cutter 11, assembly precision, rigidity
It improves, it being capable of correct aperture.In addition, lifting resistance can also reduce.
In aperture processing, as in the past, foundry sand, dust disperse, but penetrate through the only section shape of shell 9
Constant guide pin 10, the shell through portion of the guide pin 10 is by dust seal 12 come dust-proof.Moreover, the inside of shell 9 is tieed up
It holds as positive pressure.Therefore, foundry sand, dust will not enter in shell 9, be able to suppress failure generation.
Next, illustrating the lifting unit 21 of second embodiment.In second embodiment shown in Fig. 2, to lifting
Transmission mechanism uses ball-screw 23.The lifting transmission mechanism of the embodiment is by ball-screw 23, nut 21a and lifting body
21b is constituted.
As shown in Fig. 2, ball-screw 23 is vertically set on the inside of shell 29, the upper end and configuration are at the top of shell 29
Lifting servo motor 22 output shaft connection.In addition, the lower end of ball-screw 23 in the bottom of shell 29 by being arranged
Bearing 34 support.In addition, the motor with retarder also can be used in servo motor 22.
21a is the nut being threadedly engaged with ball-screw 23, is fixed as one with lifting body 21b.Moreover, the lifting body
21b can be gone up and down by being provided as the guidance of linear guide apparatus 24,24 of lifting guide device in shell 29.
It is identical with first embodiment, vertically extending guide pin 30 is fixed in the lower end of lifting body 21b.The guiding
The shell through portion of nail 30 is by dust seal 32 come dust-proof.In addition, supply compression is empty from connector 33 to the inside of shell 29
Gas, inside are maintained positive pressure.Therefore, even if guide pin 30 is gone up and down, foundry sand, dust will not invade the inside of shell 29.
In addition, it is vertically installed with bit servo motor 25 via horizontal arm 35 in the lower part of guide pin 30, it is defeated
Shaft is combined via shaft coupling 26 with super hole cutter 31.
The lifting unit of the second embodiment can also be such that super hole cutter 31 is vertically moved up or down, and have and be difficult to generate by casting
The advantages of failure caused by sand, dust.
As described above, according to the present invention, the major diameter more in the generation for being used in the dispersing of foundry sand, dust
Boring device in the case where, it is engaging-in also to eliminate foundry sand, dust, can carry out aperture processing in high precision.
In addition, lifting unit of the invention can for example be equipped on the casting mold using foundry sand (such as greensand mold sand)
Stomata boring device or riser boring device in manufacturing line etc..
In addition, lifting unit of the invention can be configured in the top of casting mold, opened downward from the top of casting mold
Hole machined.But lifting unit of the invention is not limited to this, also can be only fitted to the lower section of casting mold, from the lower section court of casting mold
Aperture processing is carried out upwards.
Description of symbols:
1 ... lifting unit；2 ... servo motors；3a ... rack gear；3b ... pinion gear；3c ... lifting body；4 ... linear guides dress
Set (lifting guide device)；5 ... bit servo motors；6 ... shaft couplings；9 ... shells；10 ... guide pins；11 ... apertures
It bores；12 ... dust seals；13 ... connectors；14 ... mobile units；15 ... horizontal arms；21 ... lifting units；21a ... nut；
21b ... lifting body；22 ... servo motors；23 ... ball-screws；24 ... linear guide apparatus (lifting guide device)；25 ... drill bits
Servo motor is used in rotation；26 ... shaft couplings；29 ... shells；30 ... guide pins；31 ... super hole cutters；32 ... dust seals；33 ... even
Interface；34 ... bearings；35 ... horizontal arms；102 ... servo motors；103 ... ball-screws；104 ... linear guide apparatus；105…
Bit servo motor；106 ... synchronous belts；107 ... swing roller splines；108 ... ball spline nuts；109 ... shells；
110 ... lifting parts；111 ... super hole cutters；112 ... nuts.
Claims (3)
1. a kind of lifting unit, is characterized in that,
It is maintained the inside of the shell of positive pressure in inside, machine is transmitted in the enclosed lifting for going up and down lifting body by motor driving
The lifting guide device of structure and the lifting body, and by the lifting body via guide pin in conjunction with the super hole cutter of shell exterior,
It has been carried out by shell through portion of the dust seal to guide pin dust-proof.
2. lifting unit according to claim 1, is characterized in that,
The motor is the gear motor or servo motor configured in the outside of shell.
3. lifting unit according to claim 1 or 2, is characterized in that,
The lifting transmission mechanism is rack-and-pinion or is ball-screw.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016245069A JP6565888B2 (en) | 2016-12-19 | 2016-12-19 | Lifting unit |
| JP2016-245069 | 2016-12-19 | ||
| PCT/JP2017/030874 WO2018116526A1 (en) | 2016-12-19 | 2017-08-29 | Vertically moving unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109070197A true CN109070197A (en) | 2018-12-21 |
Family
ID=62627710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780029565.4A Pending CN109070197A (en) | 2016-12-19 | 2017-08-29 | Lifting unit |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6565888B2 (en) |
| CN (1) | CN109070197A (en) |
| WO (1) | WO2018116526A1 (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4829014B1 (en) * | 1970-03-17 | 1973-09-06 | ||
| US3822961A (en) * | 1972-11-21 | 1974-07-09 | Mc Graw Edison Co | Variable speed drill press |
| JPS58132350U (en) * | 1982-03-03 | 1983-09-06 | 三菱重工業株式会社 | Burner device |
| SU1369854A1 (en) * | 1985-11-20 | 1988-01-30 | Специальное Конструкторское Бюро Литейных Автоматических Линий | Arrangement for making ventilation ducts in moulds |
| JPH08197371A (en) * | 1995-01-23 | 1996-08-06 | Hookosu Kk | Chip air current removing device of machine tool |
| JPH09234543A (en) * | 1995-12-26 | 1997-09-09 | Toyota Motor Corp | Method and device for marking mold |
| JP2001269926A (en) * | 2000-03-24 | 2001-10-02 | Toshiba Plant Kensetsu Co Ltd | Drilling machine |
| JP2003285208A (en) * | 2002-03-28 | 2003-10-07 | Brother Ind Ltd | Pressure device |
| JP2012061548A (en) * | 2010-09-15 | 2012-03-29 | Tac Giken Kogyo:Kk | Motor-driven working apparatus using air cylinder |
| CN202239733U (en) * | 2011-10-13 | 2012-05-30 | 李伟杰 | Drilling machine for teaching |
| CN102794465A (en) * | 2012-08-03 | 2012-11-28 | 刘钊 | High-speed electric spindle with positive-pressure seal structure therein |
| CN203578820U (en) * | 2013-11-20 | 2014-05-07 | 四川瑞迪佳机械有限公司 | Automatic drilling machine drilling in equal-diameter positions of workpiece |
| CN204041742U (en) * | 2014-07-05 | 2014-12-24 | 蚌埠玻璃工业设计研究院 | Bearing protection device under a kind of dust atmosphere |
| CN104707952A (en) * | 2013-12-17 | 2015-06-17 | 廉哲 | Depth automatic control sand tire boring equipment |
| CN105246627A (en) * | 2013-05-30 | 2016-01-13 | 日东工器株式会社 | Battery-type drilling machine |
-
2016
- 2016-12-19 JP JP2016245069A patent/JP6565888B2/en active Active
-
2017
- 2017-08-29 WO PCT/JP2017/030874 patent/WO2018116526A1/en active Application Filing
- 2017-08-29 CN CN201780029565.4A patent/CN109070197A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4829014B1 (en) * | 1970-03-17 | 1973-09-06 | ||
| US3822961A (en) * | 1972-11-21 | 1974-07-09 | Mc Graw Edison Co | Variable speed drill press |
| JPS58132350U (en) * | 1982-03-03 | 1983-09-06 | 三菱重工業株式会社 | Burner device |
| SU1369854A1 (en) * | 1985-11-20 | 1988-01-30 | Специальное Конструкторское Бюро Литейных Автоматических Линий | Arrangement for making ventilation ducts in moulds |
| JPH08197371A (en) * | 1995-01-23 | 1996-08-06 | Hookosu Kk | Chip air current removing device of machine tool |
| JPH09234543A (en) * | 1995-12-26 | 1997-09-09 | Toyota Motor Corp | Method and device for marking mold |
| JP2001269926A (en) * | 2000-03-24 | 2001-10-02 | Toshiba Plant Kensetsu Co Ltd | Drilling machine |
| JP2003285208A (en) * | 2002-03-28 | 2003-10-07 | Brother Ind Ltd | Pressure device |
| JP2012061548A (en) * | 2010-09-15 | 2012-03-29 | Tac Giken Kogyo:Kk | Motor-driven working apparatus using air cylinder |
| CN202239733U (en) * | 2011-10-13 | 2012-05-30 | 李伟杰 | Drilling machine for teaching |
| CN102794465A (en) * | 2012-08-03 | 2012-11-28 | 刘钊 | High-speed electric spindle with positive-pressure seal structure therein |
| CN105246627A (en) * | 2013-05-30 | 2016-01-13 | 日东工器株式会社 | Battery-type drilling machine |
| CN203578820U (en) * | 2013-11-20 | 2014-05-07 | 四川瑞迪佳机械有限公司 | Automatic drilling machine drilling in equal-diameter positions of workpiece |
| CN104707952A (en) * | 2013-12-17 | 2015-06-17 | 廉哲 | Depth automatic control sand tire boring equipment |
| CN204041742U (en) * | 2014-07-05 | 2014-12-24 | 蚌埠玻璃工业设计研究院 | Bearing protection device under a kind of dust atmosphere |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018116526A1 (en) | 2018-06-28 |
| JP6565888B2 (en) | 2019-08-28 |
| JP2018099693A (en) | 2018-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181221 |