CN208324043U - Dynamic model mold core and plastic cap nut molding die - Google Patents
Dynamic model mold core and plastic cap nut molding die Download PDFInfo
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- CN208324043U CN208324043U CN201820805995.2U CN201820805995U CN208324043U CN 208324043 U CN208324043 U CN 208324043U CN 201820805995 U CN201820805995 U CN 201820805995U CN 208324043 U CN208324043 U CN 208324043U
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- dynamic model
- mold core
- screw thread
- axis body
- model mold
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Abstract
The utility model discloses a kind of dynamic model mold cores, it includes axis body, screw thread insert and abutment sleeve, the screw thread insert is connected and composed by thread forming portion and connected portion, the first external screw thread is formed on the periphery wall in the thread forming portion, the connected portion and the top of the axis body are detachably connected, the abutment sleeve can be moved axially and be circumferentially rotated relative to the axis body, the top end face of the abutment sleeve forms the positioning convex platform of several circumferentially spaced settings, and the invention also discloses a kind of plastic cap nut molding dies with above-mentioned dynamic model mold core.When dynamic model mold core in the utility model is installed and used, screw thread insert is removed from axis body when the damage of screw thread insert and is replaced, without replacing entire dynamic model mold core, reduce maintenance cost, and dynamic model mold core is in replacement, without removing dynamic model mold core, maintenance operation is relatively convenient, has good practicability.
Description
Technical field
The utility model belongs to injection mold structure design field, and in particular to a kind of dynamic model mold core and plastic cap nut molding
Mold.
Background technique
Injection molding process is in the heating cylinder that first plastic raw materials are added in injector, and plastic raw materials are heated
Melt, under the promotion of injector screw rod, enters mold cavity through nozzle and die casting system, since physics and chemical action are hard
Changing sizing becomes injection-molded item.Plastic nut is exactly to be processed using above-mentioned injection molding process.In the prior art for giving birth to
In the molding die for producing plastic cap nut, screw thread insert in dynamic model mold core and axis body are processed into integral structure, and so two
Person can not split, however entire dynamic model mold core can damage after the damage of screw thread insert, and when replacement needs dynamic model from injection-moulding device
Entire dynamic model mold core is removed and dynamic model is dismantled and then replaced, maintenance cost is high and cumbersome.
Utility model content
In this regard, the utility model is intended to provide a kind of structurally reasonable dynamic model mold core and the plastic cap nut shaping mould using it
Tool when the dynamic model mold core is installed and used, more renews screw thread insert after the damage of screw thread insert, is not necessarily to entire dynamic model mold core more
It changes, when screw thread insert that maintenance cost is low and no replacement is required is easy to operate.
Realizing the technical solution of the utility model aim is:
A kind of dynamic model mold core, including axis body, detachably be connected in the axis body top screw thread insert and be movably set in
Abutment sleeve outside the axis body, the screw thread insert are connected and composed by thread forming portion and connected portion, the thread forming
The first external screw thread is formed on the periphery wall in portion, the connected portion and the top of the axis body are detachably connected, the positioning sleeve
Cylinder can be moved axially and be circumferentially rotated relative to the axis body, and the top end face of the abutment sleeve forms several circumferentially spaced
The positioning convex platform of setting.
In above-mentioned technical proposal, oppositely oriented with first external screw thread is formed on the periphery wall in the connected portion
Two external screw threads form the threaded hole with second external screw thread cooperation on the top end face of the axis body.
A kind of plastic cap nut molding die, including quiet mould and dynamic model, the quiet mould are equipped with quiet mould insert；The dynamic model packet
Include fixed form combination, forming panel and dynamic model mold core；The dynamic model mold core uses dynamic model mold core recited above, the positioning
Sleeve is fixed on fixed form combination top, and the forming panel is in the fixed form and combines close to the quiet mould
Side has the receiving hole for being suitable for accommodating the abutment sleeve on the forming panel, is installed in the fixed form combination
Gear set, the bottom end of the axis body are in fixed form combination and are fixed with gear in bottom end, the gear set it is defeated
Outlet gear is meshed with the gear, after the dynamic model and the quiet mould molding, the positioning convex platform and the thread forming
Portion protrudes from the forming panel surface, shape forming cavity between the thread forming portion and the quiet mould insert, the stent
Board group, which is closed, has the perforation being arranged along the dynamic model mold core axis direction, is equipped with connecting rod in the perforation, the connecting rod can
Circumferentially moved in the perforation, the upper end of the connecting rod is fixedly linked with the dynamic model forming panel, under the connecting rod
End is stretched out the perforation and is fixedly connected with sliding seat.
The utility model has the effect of positive: when the dynamic model mold core in the utility model is installed and used, when screw thread insert
Screw thread insert is removed from axis body when damage and is replaced, without replacing entire dynamic model mold core, reduce maintenance at
This, and dynamic model mold core, in replacement, without removing dynamic model mold core, maintenance operation is relatively convenient, has good practicability.
Detailed description of the invention
Fig. 1 is the positive direction view of dynamic model mold core in the utility model；
Fig. 2 is the cross-sectional view of the line A-A cutting along Fig. 1；
Fig. 3 is the structural schematic diagram of screw thread insert in the utility model；
Fig. 4 is the perspective view of abutment sleeve in the utility model；
Fig. 5 is the structural schematic diagram of plastic cap nut molding die in the utility model (molding state)；
Fig. 6 is the structural schematic diagram of plastic cap nut molding die (dividing mould state) in the utility model.
Appended drawing reference as shown in the figure are as follows: 1- axis body；11- threaded hole；2- screw thread insert；21- thread forming portion；22- is connected
Portion；The first external screw thread of 23-；3- abutment sleeve；31- positioning convex platform；The quiet mould of 4-；The quiet mould insert of 40-；5- dynamic model；51- fixed form
Combination；52- forming panel；521- receiving hole；53- dynamic model mold core；54- perforation；6- gear set；7- gear；8- connecting rod；9- activity
Seat.
Specific embodiment
The specific structure in the utility model is done to illustrate with reference to the accompanying drawings of the specification:
Embodiment 1
A kind of dynamic model mold core, as shown in Figures 1 to 4 comprising axis body 1 is detachably connected in the spiral shell on 1 top of axis body
Line insert 2 and the abutment sleeve 3 being movably set in outside the axis body 1, the screw thread insert 2 is by thread forming portion 21 and is connected
Portion 22 connects and composes, and forms the first external screw thread 23 on the periphery wall in the thread forming portion 21, the connected portion 22 with it is described
The top of axis body 1 is detachably connected, and the abutment sleeve 3 can be moved axially and be circumferentially rotated relative to the axis body 1, described fixed
The top end face of position sleeve 3 forms the positioning convex platform 31 of several circumferentially spaced settings.Dynamic model mold core installation in the present embodiment
It is replaced in use, removing screw thread insert 2 from axis body 1 when screw thread insert 2 is damaged, it is entire dynamic without replacing
Mould mold core reduces maintenance cost, and dynamic model mold core, in replacement, without removing dynamic model mold core, maintenance operation is relatively just
Victory has good practicability.
In the present embodiment, oppositely oriented with first external screw thread 23 is formed on the periphery wall in the connected portion 22
Two external screw threads form the threaded hole 11 with second external screw thread cooperation on the top end face of the axis body 1, using above-mentioned knot
Structure cooperates to install screw thread insert 2 by the threaded hole 11 of the second external screw thread and 1 top of axis body in the connected portion 22
It is oppositely oriented on the top of axis body 1, and due to the second externally threaded rotation direction and the first external screw thread 23, it is revolved in dynamic model mold core
Turn the connection being avoided that when moving back mould between the screw thread insert 2 and axis body 1 to loosen.In practical operation, screw thread is inlayed for convenience
Block 2 is installed and is removed, and molding screws groove on the top end face in the thread forming portion 21, in installation and removal screw thread insert 2
When insert a tool into screw and twist screw thread insert 2 in groove, it is more convenient to operate.
Embodiment 2
A kind of plastic cap nut molding die, referring to shown in Fig. 5 and Fig. 6 comprising quiet mould 4 and dynamic model 5, on the quiet mould 4
Equipped with quiet mould insert 40；The dynamic model 5 includes fixed form combination 51, forming panel 52 and dynamic model mold core 53；The dynamic model mould
For core 53 using dynamic model mold core 53 described in embodiment 1, the abutment sleeve 3 is fixed by screws in the fixed form combination
51 tops, the forming panel 52 are in fixed form combination 51 close to the side of the quiet mould 4, the forming panel 52
The upper receiving hole 521 with suitable for accommodating the abutment sleeve 3, the fixed form combines in 51 and is installed with gear set 6, described
The bottom end of axis body 1 is in fixed form combination 51 and is fixed with gear 7, the output end tooth of the gear set 6 in bottom end
Wheel is meshed with the gear 7, the input terminal of the gear set 6 connection motor (not shown), the dynamic model 5 with it is described quiet
After mould 4 molds, the positioning convex platform 31 and the thread forming portion 21 protrude from 52 surface of forming panel, the screw thread at
Shape forming cavity between type portion 21 and the quiet mould insert 40, the fixed form, which combines on 51, to be had along 53 axis of dynamic model mold core
The perforation 54 of line direction setting is equipped with connecting rod 8 in the perforation 54, and the connecting rod 8 can circumferentially move in the perforation 54
Dynamic, the upper end of the connecting rod 8 is fixedly linked with 5 forming panel 52 of dynamic model, and the perforation 54 is stretched out in the lower end of the connecting rod 8
And be fixedly connected with sliding seat 9, the sliding seat 9 is suitable for being driven and being moved by driving part on injection molding machine, and then passes through connecting rod 8
Drive forming panel 52 mobile.Using the above structure in the present embodiment when producing plastic cap nut, quiet mould 4 and dynamic model 5 are molded
The intracavitary injection material of backward type, dynamic model 5 is mobile to the direction far from quiet mould 4 after plastic cap nut molding, and then motor rotation is logical
Crossing gear set 6 drives the rotation of dynamic model mold core to carry out moving back mould, to form screw thread in plastic cap nut, last driving part, which drives, lives
Dynamic seat 9 moves up, sliding seat 9 move up during by connecting rod 8 drive forming panel 52 to quiet 4 direction of mould it is mobile from
And separate molding plastic cap nut with positioning convex platform 31, so that plastic cap nut is detached from dynamic model 5, driving part drives after the completion of de- material
Forming panel 52 is moved to initial position, and the dynamic component of the tool such as cylinder, positioning sleeve in the present embodiment can be selected in driving part
The presence of positioning convex platform 31 is played positioning action to plastic cap nut and is prevented during so that dynamic model mold core is rotated the material returned on cylinder 3
When the material returned plastic cap nut rotated together with screw thread insert 2 and can not the normal material returned.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.And the obvious changes or variations that these connotations for belonging to the utility model are extended out still fall within it is practical
Novel protection scope.
Claims (3)
1. a kind of dynamic model mold core, which is characterized in that including axis body (1), the detachable screw thread edge being connected in the axis body (1) top
Block (2) and the abutment sleeve (3) for being movably set in the axis body (1) outside, the screw thread insert (2) is by thread forming portion (21)
It connects and composes with connected portion (22), is formed the first external screw thread (23) on the periphery wall of the thread forming portion (21), it is described solid
Portion of company (22) and the top of the axis body (1) are detachably connected, and the abutment sleeve (3) can be axial relative to the axis body (1)
It moves and circumferentially rotates, the top end face of the abutment sleeve (3) forms the positioning convex platform (31) of several circumferentially spaced settings.
2. dynamic model mold core according to claim 1, which is characterized in that formed on the periphery wall of the connected portion (22) with
The second oppositely oriented external screw thread of first external screw thread (23) forms and described second on the top end face of the axis body (1)
The threaded hole (11) of external screw thread cooperation.
3. a kind of plastic cap nut molding die, including quiet mould (4) and dynamic model (5), the quiet mould (4) is equipped with quiet mould insert
(40)；The dynamic model (5) includes fixed form combination (51), forming panel (52) and dynamic model mold core (53)；It is characterized by: institute
Dynamic model mold core (53) are stated using dynamic model mold core (53) described in claims 1 or 2, the abutment sleeve (3) is fixed on described
Fixed form combines (51) top, and the forming panel (52) is in fixed form combination (51) close to the quiet mould (4)
Side, there is on the forming panel (52) receiving hole (521) for being suitable for accommodating the abutment sleeve (3), the stent
Board group is closed to be installed with gear set (6) in (51), and the bottom end of the axis body (1) is in fixed form combination (51) and the bottom of at
End is fixed with gear (7), and the gear of output end of the gear set (6) is meshed with the gear (7), the dynamic model (5) and institute
After stating quiet mould (4) molding, the positioning convex platform (31) and the thread forming portion (21) protrude from the forming panel (52) table
Face, shape forming cavity between the thread forming portion (21) and the quiet mould insert (40), the fixed form combines to be had on (51)
There is the perforation (54) along dynamic model mold core (53) axis direction setting, is equipped with connecting rod (8), the company in the perforation (54)
Bar (8) can be circumferentially moved in the perforation (54), the upper end of the connecting rod (8) and the dynamic model (5) forming panel (52)
It is fixedly linked, the lower end of the connecting rod (8) is stretched out the perforation (54) and is fixedly connected with sliding seat (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820805995.2U CN208324043U (en) | 2018-05-28 | 2018-05-28 | Dynamic model mold core and plastic cap nut molding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820805995.2U CN208324043U (en) | 2018-05-28 | 2018-05-28 | Dynamic model mold core and plastic cap nut molding die |
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| Publication Number | Publication Date |
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| CN208324043U true CN208324043U (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820805995.2U Active CN208324043U (en) | 2018-05-28 | 2018-05-28 | Dynamic model mold core and plastic cap nut molding die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724633A (en) * | 2018-05-28 | 2018-11-02 | 强能电气有限公司 | Dynamic model mold core and plastic cap nut molding die |
-
2018
- 2018-05-28 CN CN201820805995.2U patent/CN208324043U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724633A (en) * | 2018-05-28 | 2018-11-02 | 强能电气有限公司 | Dynamic model mold core and plastic cap nut molding die |
| CN108724633B (en) * | 2018-05-28 | 2023-10-27 | 强能电气有限公司 | Movable mould core and plastic screw cap forming mould |
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