CN207077718U - The synchronous transfer bar mechanism of the densely covered aperture core pulling of injection mold - Google Patents
The synchronous transfer bar mechanism of the densely covered aperture core pulling of injection mold Download PDFInfo
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- CN207077718U CN207077718U CN201720842580.8U CN201720842580U CN207077718U CN 207077718 U CN207077718 U CN 207077718U CN 201720842580 U CN201720842580 U CN 201720842580U CN 207077718 U CN207077718 U CN 207077718U
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- plate
- ejector retainner
- closing piece
- small
- core
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Abstract
The synchronous transfer bar mechanism of the densely covered aperture core pulling of injection mold,Including setting support block on lower compound plate,Upper big ejector retainner plate,Big ejector retainner plate down,Big thimble and push rod,Core is set on support block,Open in core and set on baffled in small thimble groove,Under small ejector retainner plate and small thimble,Push rod through baffle plate with it is upper,Under small ejector retainner plate be in contact,Sound equipment hole insert is set on core,Small thimble is engaged through core and sound equipment hole insert with the aperture on working of plastics,It is characterized in that set control-rod between the lower compound plate and baffle plate,Control-rod side wall opens control flume,On control flume in system,Lower inclined plane,On,Down closing piece is set between big ejector retainner plate in unlocking block chute,Spring is set between closing piece side and closing piece chute inwall,Perforation is opened in closing piece,Control-rod passes through perforation,It is located in perforation inwall in control flume side system,Lower guide face,Upper guide face is engaged with ramp,Lower guide face is engaged with lower inclined plane,Locked groove is provided with the side wall of push rod,The opposite side of closing piece is engaged with locked groove.
Description
Technical field
Injection mold is the utility model is related to, the synchronous transfer bar mechanism for aperture core pulling of being gathered more particularly to injection mold.
Background technology
In injection mold, if being formed with uniformly densely covered aperture on working of plastics（Such as the sound equipment hole on automobile inside door plate）, by
Core in the position easily wears, and service life is short, therefore can set an insert on the corresponding core of aperture gathering,
It is smaller, it is necessary to could be ejected the position working of plastics using small thimble, such as additionally, due to the spacing between aperture and aperture, area
Fruit directly sets small thimble on ejector retainner plate, then causes the length of small thimble long, its insufficient strength, be just extremely easily broken off,
Bending, therefore independent small thimble and small ejector retainner plate can be set under insert, so as to shorten the length of small thimble, and in order that small
Thimble, small ejector retainner plate can eject working of plastics with big thimble, big ejector retainner plate synchronization action, and prior art is by lower compound plate
Spring block is set, spring is set in spring block, limit pull rod is connected under spring block, push rod is connected on spring block, when mould molds
When, big ejector retainner plate ejects upwards, and spring just pushes up spring block under elastic force effect, and it is small that spring block drives push rod to push up
Ejector retainner plate and small thimble, until after working of plastics is ejected, limit pull rod holds lower compound plate and plays position-limiting action, and spring block stops moving
Dynamic, the structure has the drawback that：Spring easily fails, and service life is short, and spring easily causes stuck phenomenon, and influences mould
Have normal die sinking, it is necessary to often be repaired, influence production efficiency, and mechanism occupancy die space is larger, causes mold
Product increase, so as to increase the development cost of mould.
The content of the invention
The shortcomings that the purpose of this utility model is to overcome prior art to exist, there is provided it is a kind of simple in construction, use the longevity
Life length, it is small to take die space, reduces the development cost of mould, and the injection mold for improving production efficiency gathers the same of aperture core pulling
Walk transfer bar mechanism.
The gather technical scheme of synchronous transfer bar mechanism of aperture core pulling of the utility model injection mold is：Including lower compound plate,
Support block is set on lower compound plate, upper big ejector retainner plate, lower big ejector retainner plate, big thimble and push rod, mould are set on the lower compound plate between support block
Core is set on pin, small thimble groove is provided with core, baffle plate is set in small thimble groove, set on baffle plate upper small ejector retainner plate, under
Small ejector retainner plate and small thimble, push rod are in contact through baffle plate with upper and lower small ejector retainner plate, and sound equipment hole insert is set on core, small
Thimble is engaged through core and sound equipment hole insert with the aperture to be gathered on working of plastics, it is characterised in that：Described lower compound plate with
Control-rod is set between baffle plate, and control-rod is mutually fixed through fastener and lower compound plate, and control flume is provided with the side wall of control-rod, control
Ramp and lower inclined plane are formed with groove, closing piece chute is provided between upper and lower big ejector retainner plate, closing piece is set in closing piece chute, is locked
Spring is set between the side of block and closing piece chute inwall, perforation is provided with closing piece, control-rod is through perforation, in perforation inwall position
Upper guide face and lower guide face are formed with control flume side, upper guide face is engaged with ramp, and lower guide face is engaged with lower inclined plane, is being pushed away
The side wall of bar is provided with locked groove, and the opposite side of closing piece is engaged with locked groove.
The utility model discloses a kind of synchronous transfer bar mechanism of the densely covered aperture core pulling of injection mold, when working of plastics is molded into
After type, mould die sinking, upper and lower big ejector retainner plate and big thimble is driven to move up by power, now due to the effect of spring force,
Spring withstands closing piece, and the head of closing piece is stuck in the locked groove of push rod, therefore upper and lower big ejector retainner plate drives push rod to moving up through closing piece
Dynamic, push rod promotes upper and lower small ejector retainner plate to move up through baffle plate, and upper and lower small ejector retainner plate drives small thimble to move up, by small
Working of plastics is ejected core by thimble together with big thimble, and while upper and lower big ejector retainner plate drives closing piece to move up, due to
Control-rod is fixed, and the upper guide face of closing piece middle punch inwall is gradually in contact with the ramp of control flume upwards, ramp
Coordinate with upper guide face, drive closing piece to be moved inward along ramp, closing piece is inwardly deviate from the locked groove of push rod, now push rod departs from
Stop movement after closing piece, upper and lower small ejector retainner plate, small thimble also stop moving up, and upper and lower big ejector retainner plate and big thimble continue
Move up, big thimble drives working of plastics to deviate from small thimble, working of plastics is smoothly stripped.This programme injection mold gathers small
The synchronous transfer bar mechanism of hole core pulling, coordinated simultaneously with push rod and control-rod using closing piece, when closing piece is caught in the locked groove of push rod, upper,
Big ejector retainner plate can drive push rod to move down, when the upper guide face of the ramp of control flume in control-rod and closing piece coordinates, will can lock
Block departs from push rod, push rod is stopped movement, the space of mould is smaller shared by the structure, simple in construction, easily manufactured, so as to drop
The development cost of low mould, and relative to push rod is pushed to using spring, the action of this programme is relatively reliable, avoid occurring stuck
Phenomena such as, improve production efficiency.
The synchronous transfer bar mechanism of the densely covered aperture core pulling of the utility model injection mold, the lower end of the push rod passes through lower big top
Needle plate connects limited block, and limited block passes through lower compound plate, is formed with spacing ring under limited block, stopper slot is formed with lower compound plate, spacing
Ring is engaged with stopper slot.There is limited block, the action upward to push rod progress is spacing, makes its action more accurate, reliable.
Brief description of the drawings
Fig. 1 is the structural representation of the synchronous transfer bar mechanism of the densely covered aperture core pulling of injection mold；
Fig. 2 is close-up schematic view at Fig. 1 A.
Embodiment
A kind of synchronous transfer bar mechanism of the densely covered aperture core pulling of injection mold is the utility model is related to, as shown in Fig. 1-Fig. 2,
Including lower compound plate 1, support block 2 is set on lower compound plate, set on the lower compound plate between support block upper big ejector retainner plate 3, lower big ejector retainner plate 4,
Big thimble 5 and push rod 6, core 7 is set on support block, small thimble groove 8 is provided with core, baffle plate 9, baffle plate are set in small thimble groove
Small ejector retainner plate 10 in upper setting, under small ejector retainner plate 11 and small thimble 12, push rod is in contact through baffle plate 9 with upper and lower small ejector retainner plate,
Sound equipment hole insert 13 is set on core, and small thimble passes through core 7 and sound equipment hole insert 13 and the aperture phase gathered on working of plastics
Coordinate, it is characterised in that：Control-rod 14 is set between described lower compound plate 1 and baffle plate 9, and control-rod is through fastener and lower compound plate phase
It is fixed, control flume 15 is provided with the side wall of control-rod, ramp 16 and lower inclined plane 17 are formed with control flume, in upper and lower big thimble
Closing piece chute 18 is provided between plate 3,4, closing piece 19 is set in closing piece chute, set between the side of closing piece and closing piece chute inwall
Spring 20, perforation 21 is provided with closing piece, and control-rod 14 is located at the side of control flume 15 in perforation inwall and is formed with guide face through perforation
22 and lower guide face 23, upper guide face be engaged with ramp, lower guide face is engaged with lower inclined plane, and locked groove is provided with the side wall of push rod 6
24, the opposite side of closing piece 19 is engaged with locked groove 24.After working of plastics injection molding, mould die sinking, driven by power upper and lower big
Ejector retainner plate 3,4 and big thimble 5 move up, and now due to the effect of the elastic force of spring 20, spring withstands closing piece 19, the head of closing piece
It is stuck in the locked groove 24 of push rod 6, therefore upper and lower big ejector retainner plate 3,4 drives push rod 6 to move up through closing piece 19, push rod passes through gear
Plate 9 promotes upper and lower small ejector retainner plate 10,11 to move up, and upper and lower small ejector retainner plate drives small thimble 12 to move up, by small thimble
Working of plastics is ejected into core 7 with together with big thimble 5, and while upper and lower big ejector retainner plate 3,4 drives closing piece 19 to move up,
Because control-rod 14 is fixed, the gradual ramp 16 with control flume 15 upwards of upper guide face 22 of the inwall of closing piece middle punch 21
It is in contact, ramp coordinates with upper guide face, drives closing piece 19 to be moved inward along ramp, closing piece is inwardly deviate from push rod 6
Locked groove 24, now push rod stop movement after departing from closing piece, upper and lower small ejector retainner plate 10,11, small thimble 12 also stop moving up,
And upper and lower big ejector retainner plate 3,4 and big thimble 5 continue to move up, big thimble drives working of plastics to deviate from small thimble 12, makes working of plastics
Can smoothly it be stripped.This programme injection mold gathers the synchronous transfer bar mechanism of aperture core pulling, using closing piece 19 simultaneously with push rod 6 and
Control-rod 14 coordinates, and when closing piece 19 is caught in the locked groove 24 of push rod 6, upper and lower big ejector retainner plate 3,4 can drive push rod 6 to move, and work as control
When the upper guide face 22 of the ramp 16 of control flume 15 and closing piece 19 coordinates in bar 14, closing piece can be departed from push rod 6, stop push rod
Mobile, the space of mould is smaller shared by the structure, simple in construction, easily manufactured, so as to reduce the development cost of mould, and phase
For being pushed to push rod using spring, the action of this programme is relatively reliable, avoids that phenomena such as stuck occurs, improves production efficiency.
The lower end of the push rod 6 connects limited block 25 through lower big ejector retainner plate 4, and limited block passes through lower compound plate 1, is formed with limited block spacing
Ring 26, stopper slot 27 is formed with lower compound plate, spacing ring is engaged with stopper slot.There is limited block 25, upward to push rod 6 is dynamic
It is spacing to make progress, makes its action more accurate, reliable.
Claims (2)
- The synchronous transfer bar mechanism of aperture core pulling 1. injection mold gathers, including lower compound plate（1）, support block is set on lower compound plate（2）, mould Upper big ejector retainner plate is set on the lower compound plate between pin（3）, lower big ejector retainner plate（4）, big thimble（5）And push rod（6）, set on support block Core（7）, small thimble groove is provided with core（8）, baffle plate is set in small thimble groove（9）, upper small ejector retainner plate is set on baffle plate （10）, under small ejector retainner plate（11）With small thimble（12）, push rod passes through baffle plate（9）It is in contact with upper and lower small ejector retainner plate, on core Sound equipment hole insert is set（13）, small thimble passes through core（7）With sound equipment hole insert（13）Aperture with being gathered on working of plastics matches Close, it is characterised in that：Described lower compound plate（1）With baffle plate（9）Between control-rod is set（14）, control-rod through fastener with it is lower multiple Plate is mutually fixed, and control flume is provided with the side wall of control-rod（15）, ramp is formed with control flume（16）And lower inclined plane（17）, Upper and lower big ejector retainner plate（3、4）Between be provided with closing piece chute（18）, closing piece is set in closing piece chute（19）, the side of closing piece and lock Spring is set between block chute inwall（20）, perforation is provided with closing piece（21）, control-rod（14）Through perforation, in perforation inwall position In control flume（15）Side is formed with guide face（22）With lower guide face（23）, upper guide face is engaged with ramp, lower guide face with it is oblique Face is engaged, in push rod（6）Side wall be provided with locked groove（24）, closing piece（19）Opposite side and locked groove（24）It is engaged.
- The synchronous transfer bar mechanism of aperture core pulling 2. injection mold as claimed in claim 1 gathers, it is characterised in that：The push rod （6）Lower end pass through lower big ejector retainner plate（4）Connect limited block（25）, limited block passes through lower compound plate（1）, it is formed with limited block spacing Ring（26）, stopper slot is formed with lower compound plate（27）, spacing ring is engaged with stopper slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720842580.8U CN207077718U (en) | 2017-07-12 | 2017-07-12 | The synchronous transfer bar mechanism of the densely covered aperture core pulling of injection mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720842580.8U CN207077718U (en) | 2017-07-12 | 2017-07-12 | The synchronous transfer bar mechanism of the densely covered aperture core pulling of injection mold |
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| CN207077718U true CN207077718U (en) | 2018-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186978A (en) * | 2017-07-12 | 2017-09-22 | 滨海模塑集团有限公司 | The synchronous transfer bar mechanism of the densely covered aperture core pulling of injection mold |
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2017
- 2017-07-12 CN CN201720842580.8U patent/CN207077718U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186978A (en) * | 2017-07-12 | 2017-09-22 | 滨海模塑集团有限公司 | The synchronous transfer bar mechanism of the densely covered aperture core pulling of injection mold |
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