CN207088410U - A kind of three head nut moulds - Google Patents
A kind of three head nut moulds Download PDFInfo
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- CN207088410U CN207088410U CN201720852195.1U CN201720852195U CN207088410U CN 207088410 U CN207088410 U CN 207088410U CN 201720852195 U CN201720852195 U CN 201720852195U CN 207088410 U CN207088410 U CN 207088410U
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- core
- adjustment barrel
- link
- mould
- head
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Abstract
The utility model discloses a kind of three head nut moulds, including upper die and lower die, upper mould lower end is provided with accommodating chamber, die cavity, core, link, the adjustment barrel being rotationally connected with link are provided with lower mould, the connecting rod that circumferentially fixed and axial slip is plugged in adjustment barrel is provided with core, regulation drum outer wall is provided with thread groove, accommodates cavity wall and is fixed with the drive link that end is embedded in thread groove.The utility model has advantages below and effect：When upper mould moves upwards, drive link on upper mould rises, drive link drives adjustment barrel to rotate, adjustment barrel drives connecting rod and core to rotate, the internal thread of three head nuts cooperates in the external screw thread and die cavity of core outer wall, and motion gradually departs from out of three head nuts upwards when core rotates, until departing from three head nuts out of die cavity, upper mould, which rises, drives core to depart from three head nuts in die cavity, has reached the effect for reducing workload, being easy to be stripped, improve demoulding efficiency.
Description
Technical field
Injection mold is the utility model is related to, more particularly to a kind of three head nut moulds.
Background technology
A kind of part of three head nuts, is formed by plastic production more, including cylinder and head, and three interior spiral shells are set in cylinder
Line, cylinder one end are in enclosed construction, and head is arranged on barrel end, and the cross section on head is triangle, and cylinder is away from head
One end is in hatch frame, and three head nuts generally use injection molding process in the fabrication process.
Injection molding process is that first plastics are added in the heating cylinder in injector, plastics melted by heating, is being injected
Under the promotion of machine screw rod, enter mold cavity through nozzle and die casting system, because physics and chemical action hardening are shaped into
For injection-molded item.When making three head nuts using injection molding, the mould of adaptation generally comprises upper die and lower die, and upper mould is with
Die cavity is formed between mould, core is provided with die cavity, whose surfaces are threaded, for the forming internal threads in three head nuts.
In the demoulding, first risen with mould in the drivings such as hydraulic cylinder, after upper mould departs from lower mould, then manually rotating core, it is de- to carry out rotation
Mould.Workload is big, and demoulding efficiency is low.
Utility model content
The purpose of this utility model is to provide a kind of three head nut moulds, has the high effect of demoulding efficiency.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of three head nut moulds
Tool, including upper die and lower die, the upper mould lower end are provided with accommodating chamber, die cavity are provided with the lower mould, in the die cavity
Core, be removably connected on the lower mould and the link in the accommodating chamber, be rotationally connected with the link
On adjustment barrel, be provided with the connecting rod that circumferentially fixed and axial slip is plugged in the adjustment barrel on the core, it is described
Regulation drum outer wall is provided with the upward thread groove of spiral, and the receiving cavity wall is fixed with end and is embedded in the thread groove
Drive link.
By using above-mentioned technical proposal, during three head nut mold releasabilities, the hydraulic cylinder piston rod on injection machine is fixed on
On upper mould, hydraulic cylinder pulls upper mould to rise, and upper mould progressively disengages lower mould.The screw thread that drive link on upper mould is contacted in adjustment barrel
Groove inwall, when drive link rises with upper mould, driving adjustment barrel rotation, connecting rod rotation, connecting rod phase are driven when adjustment barrel rotates
It is circumferentially fixed for adjustment barrel, can axially opposed sliding.Connecting rod rotational band ejector half core rotates, the external screw thread and three on core
The internal thread of head nut inwall cooperates, and core progressively disengages three head nuts in die cavity when rotating, until departing from three spiral shells
Mother, drive core to depart from three head nuts in die cavity when upper mould rises, then link is dismantled from lower mould, you can continue three
Head nut departs from from lower mould, and upper modular belt ejector half core motion, departs from out of three head nuts, improve demoulding efficiency, reduce during the demoulding
Workload.
It is of the present utility model to be further arranged to：One end end that the drive link is embedded in the thread groove is in hemisphere
Shape.
By using above-mentioned technical proposal, transmission boom end is hemispherical, when being embedded in motion in thread groove, reduces screw thread
The abrasion of groove inwall.
It is of the present utility model to be further arranged to：The receiving cavity wall is provided with more drive links, the drive link edge
The adjustment barrel is circumferentially uniformly distributed.
By using above-mentioned technical proposal, accommodate cavity wall and be provided with more drive links, drive link stress.
It is of the present utility model to be further arranged to：The axially disposed limited location groove of connecting rod side wall, the adjustment barrel
Inwall is provided with the spacing preiection being embedded in the stopper slot.
By using above-mentioned technical proposal, the spacing preiection of adjustment barrel inwall is embedded in stopper slot, when adjustment barrel rotates
Connecting rod is driven to rotate, connecting rod drives core to rotate, and the core of rotation progressively disengages three head nuts.
It is of the present utility model to be further arranged to：The spacing preiection surface is in curved surface.
By using above-mentioned technical proposal, spacing preiection surface is in curved surface, when spacing preiection moves relative to stopper slot, subtracts
The abrasion of few stopper slot inwall.
It is of the present utility model to be further arranged to：The shrouding for covering the die cavity opening is provided with the core.
By using above-mentioned technical proposal, shrouding is provided with core, shrouding covers die cavity opening, avoids three spiral shells
Three head nut raw materials flow out from die cavity opening when female raw material is injected into die cavity.
It is of the present utility model to be further arranged to：The link is fixed on the lower mould by connecting bolt.
By using above-mentioned technical proposal, link is fixed on lower mould by connecting bolt, when core departs from die cavity
Three head nuts after, with instrument rotate unclamp connecting bolt, link is removed from lower mould, by three head nuts in die cavity from
Depart from die cavity.
It is of the present utility model to be further arranged to：The through hole for the adjustment barrel grafting, institute are provided with the link
State through-hole wall and be provided with a ring annular groove one, the regulation drum outer wall is provided with a ring annular groove two, the groove of annular groove one
Mouth is docked to form annular compartment with the notch of annular groove two, and multiple spacing balls are embedded with the annular compartment.
By using above-mentioned technical proposal, the docking of annular groove two of the annular groove one and regulation drum outer wall of through-hole wall is formed
Annular compartment, spacing ball are embedded into annular compartment, reduce rotating cylinder and the abrasion to be formed is rotated relative to through hole.
In summary, the utility model has the advantages that：Using setting die cavity and link, die cavity on lower mould
Interior setting core, the adjustment barrel for being rotationally connected with link is set on link, the connection for being fed through adjustment barrel is set on core
Bar, connecting rod is circumferentially fixed relative to adjustment barrel and slides vertically, and regulation drum outer wall sets the upward thread groove of spiral, upper mould
Upper to set accommodating chamber and be fixed on the drive link for accommodating cavity wall, drive link is embedded in thread groove.When upper mould moves upwards,
Drive link on upper mould rises, and drive link drives adjustment barrel to rotate, and adjustment barrel drives connecting rod and core to rotate, core outer wall
The internal thread of external screw thread and three head nuts in die cavity cooperates, and motion gradually takes off out of three head nuts upwards when core rotates
From until departing from three head nuts out of die cavity, upper mould, which rises, drives core to depart from three head nuts in die cavity, has reached drop
Low workload, the effect for being easy to be stripped, improve demoulding efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment；
Fig. 2 is three head nut structural representations of embodiment；
Fig. 3 is the tube structure schematic diagram of three head nuts of embodiment；
Fig. 4 is the lower mould of embodiment, core, link, the connection relationship diagram of adjustment barrel；
Fig. 5 is the link of embodiment, the structural representation of adjustment barrel；
Fig. 6 is the upper mould, drive link, the connection relationship diagram of adjustment barrel of embodiment.
In figure：1st, upper mould；11st, accommodating chamber；12nd, drive link；2nd, lower mould；21st, die cavity；22nd, link；221st, through hole；
222nd, annular groove one；223rd, connecting bolt；23rd, adjustment barrel；231st, spacing preiection；232nd, thread groove；233rd, annular groove two；24、
Annular chamber；241st, spacing ball；3rd, core；31st, shrouding；4th, connecting rod；41st, stopper slot；5th, three head nut；51st, cylinder；52、
Head.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of three head nut moulds, as shown in figure 1, including upper mould 1, lower mould 2, for three head nuts 5（Referring to Fig. 2）Into
Type.As shown in Figure 2 and Figure 3, three head nuts 5 include cylinder 51 and the head 52 being connected with cylinder 51, and cylinder 51 is away from head 52
One end is in hatch frame, and one end close to head 52 is enclosed construction.The inwall of the hatch frame of cylinder 51 is provided with three interior spiral shells
Line, head 52 are wholely set with cylinder 51, and the section of head 52 is triangular in shape.
As shown in figure 4, die cavity 21, the injection channel for being communicated in die cavity 21, core 3 and link 22 are provided with lower mould 2.
The outer wall of core 3 is provided with external screw thread, the forming internal threads for the inwall of cylinder 51 of three head nuts 5.The side wall of core 3 is provided with envelope
Plate 31, shrouding 31 cover the upper end open of die cavity 21.The both sides of link 22 are fixed on lower mould 2 by connecting bolt 223, even
Connect the connecting hole that the both sides of frame 22 are provided through link 22（Not shown in figure）, it is provided with corresponding to connecting hole on lower mould 2（Figure
Not shown in）Screwed hole（Not shown in figure）, the connecting hole rear thread that connecting bolt 223 is fed through on link 22 is connected to
In screwed hole on lower mould 2, link 22 is removably connected on lower mould 2.
As shown in figure 5, through hole 221, the adjustment barrel being plugged in through hole 221 23 are provided with link 22.In through hole 221
Wall is provided with a ring annular groove 1, and the inwall of adjustment barrel 23 is provided with a ring annular groove 2 233, annular groove 1 and annular groove
2 233 open butt joints, form annular chamber 24, are embedded with multiple spacing balls 241 in annular chamber 24, enable adjustment barrel 23 relative to
Link 22 rotates.
As shown in Fig. 4, Fig. 6, the upper lower surface of mould 1 is provided with accommodating chamber 11, and link 22 is located inside accommodating chamber 11, core
The connecting rod 4 for being fed through and the inwall of accommodating chamber 11 being contacted at after through hole 221 is fixed with 3.The outer wall of connecting rod 4 is provided with vertically
Stopper slot 41, the inwall of adjustment barrel 23 are provided with the spacing preiection 231 in embedded stopper slot 41（Referring to Fig. 5）, spacing preiection 231
（Referring to Fig. 5）Profile is in semicolumn, and surface is in curved surface.Adjustment barrel 23, which rotates, drives connecting rod 4 to rotate, and then drives 3 turns of core
It is dynamic.
As shown in fig. 6, the inwall of accommodating chamber 11 of upper mould 1 is provided with more drive links 12, drive link 12 was along adjustment barrel 23 weeks
To being uniformly distributed.The inwall of accommodating chamber 11 is fixed in the one end of drive link 12, and the other end is hemispherical.It is provided with the outer wall of adjustment barrel 23
The upward thread groove 232 of spiral, the hemispherical one end of drive link 12 are embedded in thread groove 232, the end of drive link 12 and spiral shell
Gap is formed between the inwall of groove 232.
Three head nut mold working principles：The upper lower surface of mould 1 contacts at the lower upper surface of mould 2, and core 3 is located in die cavity 21,
Shrouding 31 on core 3 seals the opening of core 3.Connecting rod 4 on core 3 contacts at accommodating chamber after being fed through adjustment barrel 23
11 inwalls.The raw material of three head nuts 5 is injected into the die cavity 21 of lower mould 2 by injection machine from injection channel, and three head nuts 5 are in type
It is molded in chamber 21.
When three head nuts 5 in die cavity 21 need the demoulding, hydraulic cylinder is fixed on injection machine, hydraulic cylinder piston rod is vertical
Down-set and lower end is fixed on mould 1.Hydraulic cylinder piston rod, which is retracted, drives upper mould 1 to move upwards, the upper rising of mould 1
Between depart from lower mould 2, the drive link 12 of the inwall of accommodating chamber 11 of upper mould 1 is moved upwardly together with upper mould 1, and the end of drive link 12 is embedded
In the thread groove 232 of adjustment barrel 23, motion drives adjustment barrel 23 to rotate to drive link 12 upwards, due to the limit of the inwall of adjustment barrel 23
Position projection 231 is embedded in the stopper slot 41 of the outer wall of connecting rod 4, and the rotation of adjustment barrel 23 drives connecting rod 4 to rotate, the band of connecting rod 4
Ejector half core 3 rotates, and the internal thread of three head nut 5 of the external screw thread of the outer wall of core 3 and shaping in die cavity 21 is threaded state, type
Core 3 is gradually increasing motion under the drive of the screw thread of three head nut 5 when rotating, rotation rises three spiral shells progressively disengaged in die cavity 21
Mother 5, until being spun off out of three head nuts 5.The connecting bolt 223 on link 22 is removed with instrument, by link 22 from
After being separated on lower mould 2, three head nuts 5 in die cavity 21 are taken out, complete the demoulding.
Specific embodiment is only that it is not to limitation of the present utility model, this area to explanation of the present utility model
Technical staff can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but only
All to be protected in right of the present utility model by Patent Law.
Claims (8)
- A kind of 1. three head nut moulds, it is characterised in that：Including upper mould（1）, lower mould（2）, the upper mould（1）Lower end is provided with appearance Receive chamber（11）, the lower mould（2）On be provided with die cavity（21）, positioned at the die cavity（21）Interior core（3）, be removably connected to The lower mould（2）Go up and be located at the accommodating chamber（11）Interior link（22）, be rotationally connected with the link（22）On Adjustment barrel（23）, the core（3）On be provided with circumferentially fixed and axial slip and be plugged in the adjustment barrel（23）Interior connection Bar（4）, the adjustment barrel（23）Outer wall is provided with the upward thread groove of spiral（232）, the accommodating chamber（11）Inwall is fixed with End is embedded at the thread groove（232）Interior drive link（12）.
- A kind of 2. three head nuts mould according to claim 1, it is characterised in that：The drive link（12）The embedded spiral shell Groove（232）Interior one end end is hemispherical.
- A kind of 3. three head nuts mould according to claim 1, it is characterised in that：The accommodating chamber（11）Inwall is provided with More drive links（12）, the drive link（12）Along the adjustment barrel（23）Circumferentially it is uniformly distributed.
- A kind of 4. three head nuts mould according to claim 1, it is characterised in that：The connecting rod（4）Side wall is vertically It is provided with stopper slot（41）, the adjustment barrel（23）Inwall, which is provided with, is embedded at the stopper slot（41）Interior spacing preiection （231）.
- A kind of 5. three head nuts mould according to claim 4, it is characterised in that：The spacing preiection（231）Surface is in Curved surface.
- A kind of 6. three head nuts mould according to claim 1, it is characterised in that：The core（3）On be provided with and be used for Cover the die cavity（21）The shrouding of opening（31）.
- A kind of 7. three head nuts mould according to claim 1, it is characterised in that：The link（22）By connecting spiral shell Bolt（223）It is fixed on the lower mould（2）On.
- A kind of 8. three head nuts mould according to claim 1, it is characterised in that：The link（22）On be provided with confession The adjustment barrel（23）The through hole of grafting（221）, the through hole（221）Inwall is provided with a ring annular groove one（222）, the tune Save cylinder（23）Outer wall is provided with a ring annular groove two（233）, the annular groove one（222）Notch and the annular groove two（233） Notch docks to form annular chamber（24）, the annular chamber（24）Inside it is embedded with multiple spacing balls（241）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720852195.1U CN207088410U (en) | 2017-07-14 | 2017-07-14 | A kind of three head nut moulds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720852195.1U CN207088410U (en) | 2017-07-14 | 2017-07-14 | A kind of three head nut moulds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207088410U true CN207088410U (en) | 2018-03-13 |
Family
ID=61556302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720852195.1U Active CN207088410U (en) | 2017-07-14 | 2017-07-14 | A kind of three head nut moulds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207088410U (en) |
-
2017
- 2017-07-14 CN CN201720852195.1U patent/CN207088410U/en active Active
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| GR01 | Patent grant |