CN107855477A - Cast case fixing device - Google Patents
Cast case fixing device Download PDFInfo
- Publication number
- CN107855477A CN107855477A CN201711189427.0A CN201711189427A CN107855477A CN 107855477 A CN107855477 A CN 107855477A CN 201711189427 A CN201711189427 A CN 201711189427A CN 107855477 A CN107855477 A CN 107855477A
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- CN
- China
- Prior art keywords
- fixed frame
- gear
- fixed
- cast case
- blind hole
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/08—Clamping equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Working Implements (AREA)
Abstract
The invention belongs to smelting device field, a kind of cast case fixing device is specifically disclosed, including fixed seat, first fixed frame, second fixed frame, first gear and second gear, screwed hole is equipped with first fixed frame and the second fixed frame, reverse-flighted screw both ends are threadedly coupled with the first fixed frame hole and the second fixed frame screwed hole respectively, first fixed frame upper end is provided with multiple positioning convex, second fixed frame lower end is provided with multiple locating pieces, locating piece lower end is provided with blind hole, positioning ball and spring are provided with blind hole, lower spring end is connected with positioning ball, blind hole diameter is less than positioning ball diameter；The first gear is fixedly connected in the middle part of reverse-flighted screw, and first gear engages with second gear；Fixed seat is rotatablely connected with second gear, and the second gear is fixedly connected with connecting rod.The present invention can ensure that cope and drag box junction are same level when being fixed to cast case, make cast case good fixing effect, avoid influenceing product castability.
Description
Technical field
The present invention relates to casting device field, and in particular to a kind of cast case fixing device.
Background technology
Casting refers to solid metallic being molten into the casting mold that liquid pours into given shape, treats the processing side of its solidification forming
Formula.Had by ingot metal：Copper, iron, aluminium, tin, lead etc., the material of common casting mold is roughing sand, clay, waterglass, resin and other are auxiliary
Help material., it is necessary to which cast case is fixed in existing casting technique, i.e., when carrying out mould assembling to cope and drag box, need
Cope and drag box are fixed together, the currently used method that is fixed is box for screw rod rotation pressure, and its is direct
Pressure is applied to cope face and drag box face by several screw rods, cope and drag box mould assembling is fixed.On because
Sandbox with drag box is fixed by screw rod, and screw rod directly contacts with cope and causes screw flight easy to wear, influences to fix
Effect.It is priority rotary screw to carry out and existing sandbox is when fixed, it is impossible to reach the purpose of fixation simultaneously, and
And each screw rod is because angle or number of turns difference of rotation etc., can cause each screw rod to be possible to not in same level, i.e.,
It cannot be guaranteed that cope and drag box junction uniform force, cause cope to be connected with drag box unstable, casting production is influenceed
Quality.
The content of the invention
It is an object of the invention to provide a kind of cast case fixing device, the device can ensure when being fixed to cast case
Cope and drag box junction are same level, make cast case good fixing effect, avoid influenceing product castability.
To reach above-mentioned purpose, base case of the invention is as follows：A kind of cast case fixing device, including fixed seat,
One fixed frame, the second fixed frame, reverse-flighted screw, first gear and second gear, on first fixed frame and the second fixed frame
Be equipped with screwed hole, the reverse-flighted screw both ends respectively with the screwed hole of the first fixed frame and the screwed hole spiral shell of the second fixed frame
Line connects, and the first fixed frame upper end is provided with multiple positioning convex, and the second fixed frame lower end is provided with multiple locating pieces, fixed
The quantity of position block is consistent with the quantity of positioning convex and each locating piece is corresponding with a positioning convex, under the locating piece
End is provided with blind hole, is provided with positioning ball and spring in the blind hole, the lower spring end is connected with positioning ball, and the blind hole goes out
Mouth end diameter is less than positioning ball diameter；The first gear is fixedly connected in the middle part of reverse-flighted screw, the first gear and the
Two gears engage；The fixed seat is rotatablely connected with second gear, and the second gear is fixedly connected with connecting rod.
The working principle and beneficial effect of the present invention is as follows：When carrying out mould assembling to cast case, first first is fixed first
Frame and the second fixed frame are respectively placed in above cope and below drag box.Because the first fixed frame and the second fixed frame are equipped with
Screwed hole, reverse-flighted screw both ends are threadedly coupled with two screwed holes respectively.Again because first gear connects with being bi-directionally connected bar and fixing
Connect, first gear is engaged with second gear, and connecting rod is fixedly connected with second gear.Bar is then rotatablely connected, connecting rod rotates
Second gear transmission is driven, first gear drives reverse-flighted screw to rotate in the presence of second gear.Because reverse-flighted screw both ends
Be threadedly coupled respectively with the first fixed frame and the second fixed frame, then so in the presence of reverse-flighted screw, the first fixed frame and
Two fixed frame move toward one anothers, positioning convex and locating piece contact with drag box and cope respectively, then to cope and lower sand
Case is fixed, and avoids cope and drag box from separating.Because multiple positioning convex are arranged on the first fixed frame, multiple locating pieces
It is fixed on the second fixed frame, can so ensures that positioning convex is in same level all the time with locating piece, it is ensured that upper sand
Equal with the drag box stress of case is concentrated and identical.And first fixed frame and the second fixed frame be that shifting is fixed by reverse-flighted screw
Dynamic and then positioning, can so improve operating efficiency.Locating piece lower end is provided with blind hole, there is positioning ball and spring in blind hole,
When fixing, because the abrasion on cast case surface itself may cause its surface irregularity and then cause junction discontinuity
And influence castability.And spring 11 and steel ball 12 coordinate and can played under the elastic force effect of spring to cope and drag box
Fine setting effect, make that it is equally loaded, fixed effect is more preferable.
Preferred scheme two：Based on scheme preferred scheme, the quantity of the locating piece and positioning convex is four,
The quantity of locating piece and positioning convex is four and may insure that fixed effect is more preferable and can save material.
Preferred scheme one：Based on scheme preferred scheme, the one end of the connecting rod away from second gear be provided with behaviour
Make handle, by operation handle swivel link, operation triumph and efficiency high.
Preferred scheme three：Preferably two preferred scheme, the reverse-flighted screw inner hollow are provided with spiral
Passage, the passage is interior to be provided with acetone.Because when carrying out regulation to sandbox, sandbox has very high temperature in itself, and away from double
The reverse-flighted screw closer to the distance to screw rod can also be heated and temperature raises, and cause thread hardness to reduce, easily abrasion.And two-way
Add acetone in screw rod, the boiling point of acetone is 56 DEG C, there is a good mobility, and it is heated after have significant dilatancy, can be with
It is quick to absorb heat, make the temperature of reverse-flighted screw reduce.Be spirality channel in the second stage of reverse-flighted screw, can make acetone with it is two-way
Screw rod fully contacts, and increases the space of acetone so that cooling-down effect is more preferable.
Preferred scheme four：Preferably two preferred scheme, second fixed frame form air flue for hollow setting,
The air flue is communicated with gas blow pipe, and the positioning ball is provided with multiple through holes, and the air flue connects with blind hole.Because cast case exists
Core can be scattered many sand during casting, and these sand fall to cause on cope or drag box surface cope and drag box solid
Timing has gap and fixation is insecure, influences castability, and gas blow pipe is blown by air flue into blind hole, and positioning ball is set
There are multiple through holes, then air can be walked the sand blast on cope or drag box surface by through hole, avoid influenceing castability.
And positioning ball has multiple through holes, then positioning ball is in blind hole internal rotation when understanding when air passes through blind hole, you can with to difference
The cast case in direction is cleared up.
Brief description of the drawings
Fig. 1 is the structural representation of cast case fixing device embodiment of the present invention；
Fig. 2 is the structural representation of locating piece of the present invention.
Embodiment
Below by embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：It is first fixed frame 1, the second fixed frame 2, locating piece 3, positioning convex 4, two-way
Screw rod 5, connecting rod 6, first gear 7, second gear 8, operation handle 9, blind hole 10, spring 11, steel ball 12.
Embodiment is basic as shown in accompanying drawing 1 and Fig. 2：A kind of cast case fixing device, including fixed seat, the first fixed frame 1,
Screwed hole is offered on the first gear 7 of second fixed frame 2 and second gear 8, the first fixed frame 1 and the second fixed frame 2, it is two-way
The both ends of screw rod 5 are threadedly coupled with the hole of the first fixed frame 1 and the screwed hole of the second fixed frame 2 respectively, and peace is fixed in the upper end of the first fixed frame 1
Equipped with positioning convex 4, locating piece 3 has been fixedly mounted in the lower end of the second fixed frame 2, and locating piece is in taper type, and locating piece is larger
It is simultaneously corresponding with positioning convex, it can so ensure that the contact surface of locating piece and cast case is larger, fixed effect is more preferable.Each
Locating piece 3 is corresponding with a positioning convex 4.The quantity of locating piece 3 and positioning convex 4 is four, locating piece 3 and positioning
The quantity of projection 4 is four and may insure that fixed effect is more preferable and can save material.
The lower end open-blind hole 10 of locating piece 3, placed positioning ball and spring 11 in blind hole 10, in the present embodiment, position ball
Body is steel ball, and steel ball is smooth and not easy to wear, and service life is longer.The lower end of spring 11 is connected with steel ball 12, the lower end of blind hole 10
Diameter is less than the diameter of steel ball 12；First gear 7 is fixedly connected on the middle part of reverse-flighted screw 5, and first gear 7 engages with second gear 8；
Fixed seat is rotatablely connected with second gear 8, and second gear 8 is fixedly connected with connecting rod 6.Connecting rod 6 is led to away from the end of second gear 8
Cross bolt and be fixedly connected with operation handle 9, by the swivel link of operation handle 9, operation triumph and efficiency high.
When carrying out mould assembling to cast case, first the first fixed frame 1 and the second fixed frame 2 are respectively placed on cope first
Below side and drag box.Because the first fixed frame 1 and the second fixed frame 2 are equipped with screwed hole, the both ends of reverse-flighted screw 5 are respectively with two
Individual screwed hole threaded connection.Again because first gear 7 is fixedly connected with being bi-directionally connected bar 6, first gear 7 is nibbled with second gear 8
Close, connecting rod 6 is fixedly connected with second gear 8.Bar 6 is then rotatablely connected, connecting rod 6, which rotates, drives second gear 8 to be driven, the
One gear 7 drives reverse-flighted screw 5 to rotate in the presence of second gear 8.Because the both ends of reverse-flighted screw 5 respectively with the first fixed frame
1 and second fixed frame 2 be threadedly coupled, then so in the presence of reverse-flighted screw 5, the first fixed frame 1 and the second fixed frame 2 are opposite
Motion, positioning convex 4 and locating piece 3 contact with drag box and cope, then cope and drag box are fixed respectively,
Cope and drag box is avoided to separate.Because multiple positioning convex 4 are arranged on the first fixed frame 1, multiple locating pieces 3 are fixed on
On two fixed frames 2, it can so ensure that positioning convex 4 is in same level all the time with locating piece 3, it is ensured that cope is with
The equal stress of sandbox is concentrated and identical.And first fixed frame 1 and the second fixed frame 2 be that movement is fixed by reverse-flighted screw 5
Then position, can so improve operating efficiency.Locating piece lower end is provided with blind hole, there is positioning ball and spring in blind hole,
When fixed because the abrasion on cast case surface itself may cause its surface irregularity so that cause junction discontinuity and
Influence castability.And spring 11 and steel ball 12 coordinate and can played under the elastic force effect of spring to cope and drag box
The effect of fine setting, makes that it is equally loaded, and fixed effect is more preferable.
The inner hollow of reverse-flighted screw 5 is provided with spirality channel, and acetone is provided with passage.Because provided to sandbox
When, sandbox has very high temperature in itself, and can be also heated and temperature rise away from the reverse-flighted screw 5 closer to the distance of reverse-flighted screw 5,
Thread hardness is caused to reduce, easily abrasion.And acetone is added in reverse-flighted screw 5, the boiling point of acetone is 56 DEG C, is had well
Mobility, and have significant dilatancy after being heated, heat can be quickly absorbed, makes the temperature of reverse-flighted screw 5 reduce.Second phase is two-way
It is spirality channel in screw rod 5, acetone can be made fully to be contacted with reverse-flighted screw 5, increase the space of acetone so that cooling effect
Fruit is more preferable.
Second fixed frame forms air flue for hollow setting, and air flue is communicated with gas blow pipe, and positioning ball is provided with multiple through holes, gas
Road connects with blind hole.Many sand because cast case core in casting can be scattered, these sand fall on cope or drag box surface
On can cause that cope and drag box have gap when fixed and fixation is insecure, influence castability, and gas blow pipe passes through gas
Road is blown into blind hole, and positioning ball is provided with multiple through holes, then air can be by cope or drag box surface by through hole
On sand blast walk, avoid influence castability.And positioning ball there are multiple through holes, then ball is positioned during meeting when air passes through blind hole
Body is in blind hole internal rotation, you can is cleared up with the cast case to different directions.
Above-described is only embodiments of the invention, and the general knowledge such as known concrete structure and characteristic is not made herein in scheme
Excessive description., without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, and these are implemented all without the influence present invention
Effect and practical applicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as embodiment can be used for the content for explaining claim.
Claims (5)
1. a kind of cast case fixing device, it is characterised in that including fixed seat, the first fixed frame, the second fixed frame, two-way spiral shell
Bar, first gear and second gear, screwed hole, the reverse-flighted screw two are equipped with first fixed frame and the second fixed frame
End is threadedly coupled with the screwed hole of the first fixed frame and the screwed hole of the second fixed frame respectively, and the first fixed frame upper end is provided with
Multiple positioning convex, the second fixed frame lower end are provided with multiple locating pieces, the quantity of locating piece and the quantity one of positioning convex
Cause and each locating piece is corresponding with a positioning convex, the locating piece lower end is provided with blind hole, and it is fixed to be provided with the blind hole
Position spheroid and spring, the lower spring end are connected with positioning ball, and the blind hole port of export diameter is less than positioning ball diameter；Institute
State first gear to be fixedly connected in the middle part of reverse-flighted screw, the first gear engages with second gear；The fixed seat and second
Pinion rotation connects, and the second gear is fixedly connected with connecting rod.
2. cast case fixing device according to claim 1, it is characterised in that the quantity of the locating piece and positioning convex
It is four.
3. cast case fixing device according to claim 2, it is characterised in that the connecting rod away from second gear one
End is provided with operation handle.
4. cast case fixing device according to claim 3, it is characterised in that the reverse-flighted screw inner hollow is provided with spiral shell
The passage of shape is revolved, acetone is provided with the passage.
5. cast case fixing device according to claim 3, its special type are, second fixed frame is hollow setting shape
Into air flue, the air flue is communicated with gas blow pipe, and the positioning ball is provided with multiple through holes, and the air flue connects with blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711189427.0A CN107855477A (en) | 2017-11-24 | 2017-11-24 | Cast case fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711189427.0A CN107855477A (en) | 2017-11-24 | 2017-11-24 | Cast case fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107855477A true CN107855477A (en) | 2018-03-30 |
Family
ID=61702736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711189427.0A Pending CN107855477A (en) | 2017-11-24 | 2017-11-24 | Cast case fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107855477A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076301A (en) * | 2019-05-13 | 2019-08-02 | 和县华顺铸造有限公司 | A kind of double case sand molds and its fastener used |
-
2017
- 2017-11-24 CN CN201711189427.0A patent/CN107855477A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076301A (en) * | 2019-05-13 | 2019-08-02 | 和县华顺铸造有限公司 | A kind of double case sand molds and its fastener used |
| CN110076301B (en) * | 2019-05-13 | 2020-10-30 | 和县华顺铸造有限公司 | Double-box sand mold and fastener used by same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180330 |