CN105458216A - Die-casting die with adjustable die cavity - Google Patents
Die-casting die with adjustable die cavity Download PDFInfo
- Publication number
- CN105458216A CN105458216A CN201510905882.0A CN201510905882A CN105458216A CN 105458216 A CN105458216 A CN 105458216A CN 201510905882 A CN201510905882 A CN 201510905882A CN 105458216 A CN105458216 A CN 105458216A
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- push rod
- die
- die cavity
- mould bases
- screw rod
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Abstract
The invention relates to the field of dies, and discloses a die-casting die with an adjustable die cavity. The die-casting die comprises a die set and a push rod. The die cavity is formed in the die set. A liquid inlet into which molten metal is pressed is formed in the die cavity. A piston is arranged at the end of the push rod, and the push rod penetrates the outer wall of the die set. The piston stretches into the die cavity and is in contact with the inner wall of the die cavity. The push rod and the outer wall of the die set are internally sleeved in a sealed manner A shaft shoulder with the cross sectional area larger than that of the push rod is arranged on the push rod. A compressed spring arranged on the periphery of the push rod in a sleeving manner is clamped between the shaft shoulder and the outer wall of the die set. A curved face is arranged at the end, away from the die set, of the push rod, a screw rod in matching connection with the curved face is arranged on one side, a conical head matching the curved face is arranged at the end of the screw rod, and the screw rod is in threaded connection with a fixedly-arranged rack. According to the scheme, compared with existing screw rod driving, the phenomenon of clamping is avoided, and the size of the die cavity can be adjusted more smoothly.
Description
Technical field
The present invention relates to mould applications.
Background technology
Die casting is a kind of method of casting liquid forging, and die casting is a kind of technique completed on die casting die forging machine.During die casting, molten metal first fills in the die cavity of the die casting on type entrance pressure casting die forging machine, along with the cooling procedure pressurization forging of molten metal, the mechanical performance of metal blank is improved, obtains die casting product.In prior art, the shape of the die cavity of a die casting is changeless, and therefore correspondingly can only produce a kind of die casting product, namely often produce a kind of die casting product and will produce a kind of die casting, cost is very high.
A kind of die casting of current existence, it comprises die frame, die cavity is established in die frame, the first implementation block and second parallel before and after establishing in die cavity carries out block, first carries out block offers the sleeve pipe running through the first implementation block in one end, and the sleeve pipe other end stretches out die frame, internal surface of sleeve pipe is provided with internal thread, second carries out establishing patty cavity in block, patty insert is established in cavity, insert is carried out the side of block side is fixedly connected with screw rod near first, screw rod passes and stretches out die frame in sleeve pipe, described casing inner diameter is slightly larger than screw diameter, and the internal thread of internal surface of sleeve pipe matches with external screw thread on screw rod, one end that screw rod stretches out die frame is provided with handle.Regulated by rotary screw, but, because transfer force is to opposite direction lead-screw in press casting procedure, make to there is very large interaction force between the screw thread on screw rod and mould bases, very easily make deformed threads, cause stuck phenomenon, make failure of apparatus.
Summary of the invention
The invention is intended to provide a kind of die casting avoiding stuck die cavity adjustable.
The die casting that die cavity in this programme is adjustable, comprise mould bases, push rod, described mould bases inside is provided with die cavity, this die cavity has the inlet of press-in point molten metal, the end of described push rod is provided with can be stretched in die cavity and the piston contacted with mould intracavity wall, push rod is through mould bases outer wall, sealing inner sleeve is adopted between push rod and mould bases outer wall, described push rod is provided with the shaft shoulder that cross-sectional area is greater than push rod, the stage clip be socketed on push rod periphery is accompanied between this shaft shoulder and mould bases outer wall, described push rod is provided with curved surface away from the end of mould bases, push rod is furnished with on one side the screw rod coordinated that to contact with this curved surface, the conical head that the end of this screw rod is provided with and this curved surface adapts, this screw flight is connected in the frame of fixed and arranged.
Beneficial effect: push rod ejects to die cavity outer end under the effect of stage clip, push rod is fixed under the restriction of conical head, enables die cavity ensure to stablize; When needs regulate cavity dimension, rotary screw, make screw spiral feed motion, the conical head of screw rod end and the curved surface of push rod end match, promotion push rod moves, and push rod moves thus changes the position of piston, and then changes cavity dimension, be threaded and itself there is self-locking action, so can fixed piston ensure die casting time die cavity in stable condition.Adopt the program, compared with existing screw drive, avoid stuck phenomenon, make the adjustment of cavity dimension more smooth.
Further, the position that described push rod runs through mould bases is provided with prismatic section, and mould bases matches with this prismatic section is provided with prismatic hole, and diamond-shaped outline both ensure that push rod slided in mould bases, and contact surface is more, solid and reliable simultaneously.
Further, described screw rod is provided with handwheel away from one end of conical head, and handwheel facilitates the rotation of screw rod, laborsaving convenience.
Further, described mould bases comprises top mold frame and lower mold holder, and top mold frame is connected by bolt with lower mold holder, takes upper and lower mould bases apart, is convenient to clean inside and keep in repair, bolt firm and reliable connection and be convenient to dismounting.
Further, between described handwheel and screw rod, be provided with reinforcement, owing to there is larger shearing force between screw rod and the first run, adopt reinforcement to make structure more firm.
Accompanying drawing explanation
Fig. 1 is the structural representation of the adjustable die casting embodiment of die cavity of the present invention.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: top mold frame 1, lower mold holder 11, inlet 12, push rod 2, prismatic section 21, stage clip 22, screw rod 3, conical head 31, handwheel 32, frame 4.
Embodiment is substantially as shown in Figure 1:
The die casting that die cavity in this programme is adjustable, top mold frame 1 and lower mold holder 11 fasten inner formation die cavity, this die cavity has the inlet 12 of press-in point molten metal, the end of push rod 2 connects piston, push rod 2 is through mould bases outer wall, piston stretches in die cavity and also contacts with mould intracavity wall, sealing inner sleeve is adopted between push rod 2 and mould bases outer wall, described push rod 2 is provided with the shaft shoulder that cross-sectional area is greater than push rod 2, the stage clip 22 be socketed on push rod 2 periphery is accompanied between this shaft shoulder and mould bases outer wall, push rod 2 is processed as curved surface away from the end of mould bases, be furnished with the screw rod 3 coordinated with this curved face contact on one side, the conical head 31 that the welding edges of this screw rod 3 has and this curved surface adapts, this screw rod 3 is threaded in the frame 4 of fixed and arranged.
The position that push rod 2 runs through mould bases is processed with prismatic section 21, and mould bases matches with this prismatic section 21 has prismatic hole, and diamond-shaped outline both ensure that push rod 2 slided in mould bases, and contact surface is more, solid and reliable simultaneously.Screw rod 3 is welded with handwheel 32 away from one end of conical head 31, and handwheel 32 facilitates the rotation of screw rod 3, laborsaving convenience.
Mould bases comprises top mold frame 1 and lower mold holder 11, and top mold frame 1 is connected by bolt with lower mold holder 11, takes upper and lower mould bases 11 apart, is convenient to clean inside and keep in repair, bolt firm and reliable connection and be convenient to dismounting.Handwheel 32 and screw rod 3 are welded with reinforcement, owing to there is larger shearing force between screw rod 3 and the first run, adopt reinforcement to be that structure is more firm.
Operation principle: push rod 2 ejects to die cavity outer end under the effect of stage clip 22, and push rod 2 is fixed under the restriction of conical head 31, enables die cavity ensure to stablize; When needs regulate cavity dimension, rotary screw 3, make screw rod 3 screwfeed campaign, the conical head 31 of screw rod 3 end and the curved surface of push rod 2 end match, promote push rod 2 to move, push rod 2 moves thus changes the position of piston, and then changes cavity dimension, be threaded and itself there is self-locking action, so can fixed piston ensure die casting time die cavity in stable condition.Compared with driving with existing screw rod 3, avoid stuck phenomenon, make the adjustment of cavity dimension more smooth.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. record the content that may be used for explaining claim.
Claims (5)
1. the die casting that a die cavity is adjustable, comprise mould bases, push rod, described mould bases inside is provided with die cavity, this die cavity has the inlet of press-in point molten metal, the end of described push rod is provided with can be stretched in die cavity and the piston contacted with mould intracavity wall, push rod is through mould bases outer wall, sealing inner sleeve is adopted between push rod and mould bases outer wall, it is characterized in that: described push rod is provided with the shaft shoulder that cross-sectional area is greater than push rod, the stage clip be socketed on push rod periphery is accompanied between this shaft shoulder and mould bases outer wall, described push rod is provided with curved surface away from the end of mould bases, push rod is furnished with on one side the screw rod coordinated that to contact with this curved surface, the conical head that the end of this screw rod is provided with and this curved surface adapts, this screw flight is connected in the frame of fixed and arranged.
2. the die casting that die cavity according to claim 1 is adjustable, is characterized in that: the position that described push rod runs through mould bases is provided with prismatic section, and mould bases matches with this prismatic section is provided with prismatic hole.
3. the die casting that die cavity according to claim 2 is adjustable, is characterized in that: described screw rod is provided with handwheel away from one end of conical head.
4. the die casting that die cavity according to claim 3 is adjustable, is characterized in that: described mould bases comprises top mold frame and lower mold holder, and top mold frame is connected by bolt with lower mold holder.
5. the die casting that die cavity according to claim 4 is adjustable, is characterized in that: be provided with reinforcement between described handwheel and screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510905882.0A CN105458216A (en) | 2015-12-10 | 2015-12-10 | Die-casting die with adjustable die cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510905882.0A CN105458216A (en) | 2015-12-10 | 2015-12-10 | Die-casting die with adjustable die cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105458216A true CN105458216A (en) | 2016-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510905882.0A Pending CN105458216A (en) | 2015-12-10 | 2015-12-10 | Die-casting die with adjustable die cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105458216A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382237A (en) * | 2015-12-09 | 2016-03-09 | 渝北区千里马模具加工厂 | Secondary mold opening mechanism provided with drag hook |
| CN105903925A (en) * | 2016-06-16 | 2016-08-31 | 吴江市液铸液压件铸造有限公司 | Adjustable round ring casting mold |
| CN106270452B (en) * | 2016-08-18 | 2017-12-26 | 新昌县云海管业有限公司 | A kind of hardware makes and uses door handle decompressor |
-
2015
- 2015-12-10 CN CN201510905882.0A patent/CN105458216A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382237A (en) * | 2015-12-09 | 2016-03-09 | 渝北区千里马模具加工厂 | Secondary mold opening mechanism provided with drag hook |
| CN105903925A (en) * | 2016-06-16 | 2016-08-31 | 吴江市液铸液压件铸造有限公司 | Adjustable round ring casting mold |
| CN106270452B (en) * | 2016-08-18 | 2017-12-26 | 新昌县云海管业有限公司 | A kind of hardware makes and uses door handle decompressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160406 |
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| WD01 | Invention patent application deemed withdrawn after publication |