CN206999538U - A kind of three plate injection mold tool with regrinding-material Automatic-falling function - Google Patents
A kind of three plate injection mold tool with regrinding-material Automatic-falling function Download PDFInfo
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- CN206999538U CN206999538U CN201720091860.XU CN201720091860U CN206999538U CN 206999538 U CN206999538 U CN 206999538U CN 201720091860 U CN201720091860 U CN 201720091860U CN 206999538 U CN206999538 U CN 206999538U
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Abstract
The utility model discloses a kind of three plate injection mold tool with regrinding-material Automatic-falling function, and it is provided with regrinding-material automatic dropping mechanism, and the regrinding-material automatic dropping mechanism, which is provided with, draws pin and bullet pin module;Pin bottom is drawn to be embedded into when regrinding-material is cooled down and condensed inside regrinding-material, and can be in the second stage of die sinking by drawing the hook structure of pin bottom to hold regrinding-material, so that regrinding-material disconnects with injecting products, cause to draw pin to disconnect with regrinding-material in the three phases of die sinking again, and regrinding-material is ejected downwards from sprue gate and runner by ejecting pin so that regrinding-material Automatic-falling under gravity.The utility model realizes Automatic-falling of the regrinding-material during die sinking, that eliminate the artificial operation for picking regrinding-material or pick operation using the automatic of manipulator, help to shorten the overall time cycle of injection mold formed product and reduce the cost of injection production.
Description
Technical field
It the utility model is related to a kind of three plate injection mold tool with regrinding-material Automatic-falling function.
Background technology
Injection mold is a kind of instrument for producing plastic products, because mould can be produced in enormous quantities and can guarantee that plastics system
The accurate size of product and outward appearance, and also can guarantee that product has complete structure, it is particularly some complex-shaped or polymorphic structures
Product, so mould is widely used.
The structure of existing three plate injection mold tool is:Three plate injection mold tool is provided with upper die and lower die, upper mould provided with by
Panel, water gap plate and the front template of up to lower arrangement, wherein, lower mould is equipped with four plastic pull bars, and front template processes four counterbores
With four plastic pull bars into interference fits;Two contour screw holes are processed on front template, two contour screw holes install two
Contour screw, two counterbores positioned at bottom surface of processing are connected with two contour screw holes on front template on water gap plate consolidates
It is fixed;Two contour screw holes are processed on panel, two contour screws are installed in two contour screw holes, and two are processed on water gap plate
Counterbore positioned at top surface is connected with two contour screw holes on panel;So as to pass through foregoing four contour spiral shells
Silk is flexible in counterbore, three plate injection mold tool can between matched moulds state and die opening state free switching, wherein, three plates
The matched moulds state of formula injection mold be panel, water gap plate, front template and lower mould be close together successively, die opening state i.e. panel,
Water gap plate, front template and lower mould separate up and down between each other.Also, said panel constructs provided with sprue bushing, water gap plate is provided with purt
Mouth via, front template construct provided with runner mold insert, and sprue bushing construction can be that the structure of panel in itself can also be mounted in panel
On individual member, runner mold insert construction can be independent structure that the structure of front template in itself can also be mounted on front template
Part;In the case where three plate injection mold tool is in matched moulds state, the part of sprue bushing construction protrusion panel bottom surface is stretched into sprue bushing via, water
Mutually it is close to the top surface that runner mold insert constructs the bottom surface of oralia so that injection material can pass sequentially through the sprue gate of sprue bushing construction
The runner constructed with runner mold insert is flowed into the die cavity that front template is formed with lower mould and is molded, and remains in sprue gate and runner
Injection material is regrinding-material, regrinding-material also known as feed back, is the useless surplus material that injection mold is formed in injecting products.
Existing three plate injection mold tool is divided to two kinds of demoulding forms, and one kind is that moulded products drop automatically, and regrinding-material can not
Automatically drop.Another kind is that moulded products and regrinding-material can not all drop automatically.Regardless of whether any mode, regrinding-material is from beginning extremely
All it is eventually to stay on water gap plate to drop automatically, is required for manipulator to pick or manually grip manually.Because mould is to connect
Continuous production, artificial gripping product and regrinding-material are not fixed, and safety door changes down pass slowly, and the working time influences very big.So as to the effect that works
Rate will have a greatly reduced quality.And with manipulator, can continuously it be worked although can guarantee that, but its first cost is then bigger.
Utility model content
Technical problem to be solved in the utility model is:A kind of three-plate type with regrinding-material Automatic-falling function is provided
Injection mold.
Solves above-mentioned technical problem, technical scheme is as follows used by the utility model:
A kind of three plate injection mold tool with regrinding-material Automatic-falling function, provided with upper die and lower die, the upper mould is set
There are the panel from top to bottom arranged, water gap plate and front template, wherein, the panel is constructed provided with sprue bushing, and the water gap plate is provided with
Sprue bushing via, the front template construct provided with runner mold insert;In the case where three plate injection mold tool is in matched moulds state, the purt
The part that mouth construction protrudes the panel bottom surface is stretched into the sprue bushing via, the bottom surface of the water gap plate and the runner mold insert
The top surface of construction is mutually close to so that injection material can pass sequentially through the sprue gate of the sprue bushing construction and the runner mold insert structure
The runner made is flowed into the die cavity that the front template is formed with lower mould and is molded, the injection remained in the sprue gate and runner
Material is regrinding-material;Mould is under die opening state on described, and the panel, water gap plate, front template and lower mould are mutual
Separate up and down;
It is characterized in that:Described three plate injection mold tool is additionally provided with regrinding-material automatic dropping mechanism, and the regrinding-material is certainly
Dropping mechanism is moved to be provided with drawing pin and play pin module, wherein, the bottom of the drawing pin, which is provided with, can hook the pulling regrinding-material
Hook structure, the bullet pin module, which is provided with, plays pin;The water gap plate, which is additionally provided with, draws pin via and bullet pin module mounting hole, the drawing
The upper end of pin is fixed on the bottom surface of the sprue bushing construction, and the bullet pin module is arranged in the bullet pin module mounting hole,
So that:In the case where three plate injection mold tool is in matched moulds state, the bottom for drawing pin is stretched into through the drawing pin via
In the runner, the lower end aperture part for playing pin module mounting hole is directed at the runner, another part is directed at the stream
Road mold insert construction top surface, make in the top surface press-in bullet pin module mounting hole that the bullet pin is constructed by the runner mold insert;
The upper mould is under die opening state, outside the bullet pin ejection downwards to the bullet pin module mounting hole.
As the preferred embodiment of the present invention:Described bullet pin module is additionally provided with spring and fixed screw, wherein, play pin
Medium position side wall be provided with boss, the bottom surface of the fixed screw is provided with blind hole;The bullet pin module mounting hole is served as reasons
The shoulder hole of top screwed hole, middle through-hole and lower through-hole composition that aperture is sequentially reduced, the bullet pin fill from upper end aperture
Enter in the bullet pin module mounting hole, and the bottom for playing pin can be extended downwardly from by the lower through-hole, boss energy
Enough it is seated on the change diametric plane between the middle through-hole and lower through-hole, the fixed screw connects with top screwed hole screw thread
Connect so that the upper pole part that the bullet pin is located on its boss can connect in the blind hole of the fixed screw with the middle through-hole
Moved up and down in the vestibule of logical composition, the bottom surface of the sprue bushing construction is provided with screw blind hole, described in the fixed screw protrudes
The part of mouth of a river plate top surface can be contained in the screw blind hole when the three plate injection mold has and is in matched moulds state;Institute
Spring housing is stated outside the upper pole part of the bullet pin, also, the spring is on the top that the bullet pin is constructed by the runner mold insert
Face pressure is in compressive state when entering in the bullet pin module mounting hole so that:Mould is under die opening state on described, the bullet
Pin can be ejected downwards under the spring-force driven dual of the spring to outside the bullet pin module mounting hole.
In order to maximize ejection active force of the spring to bullet pin, as preferred embodiment of the present utility model:The bullet
The upper end of spring is fixed in the blind hole of the fixed screw.
In order to improve the success rate of regrinding-material automatic dropping mechanism Automatic-falling regrinding-material, as of the present utility model preferred
Embodiment:Described regrinding-material automatic dropping mechanism is provided with least two sets of bullet pin modules;The water gap plate corresponds to each
Cover the bullet pin module and be equipped with a bullet pin module mounting hole, and each bullet pin module mounting hole is around the stream
The center uniform intervals arrangement in road;Each described fixed screw for playing pin module is corresponded on the bottom surface of the sprue bushing construction to be provided with
One screw blind hole.
In order to maximize the functional reliability for playing pin module, as preferred embodiment of the present utility model:The bullet pin
The lower end orifice center of module mounting hole is directed at the runner at the edge of runner mold insert construction top surface.
As preferred embodiment of the present utility model:The center for drawing pin to be directed at the runner.
For the ease of hooking the structure held regrinding-material and simplify drawing pin, as preferred embodiment of the present utility model:Institute
The hook structure for stating drawing pin is the v-depression being arranged in the bottom side wall of the drawing pin, and the v-depression is around described
The axis of pin is drawn to set.
Compared with prior art, the utility model has the advantages that:
Drawing pin bottom in the utility model can be embedded into inside regrinding-material when regrinding-material is cooled down and condensed, and can
By drawing the hook structure of pin bottom to hold regrinding-material in the second stage of die sinking so that regrinding-material breaks with injecting products
Open, then in the three phases of die sinking to draw pin and regrinding-material to disconnect, and pin is played by regrinding-material from sprue gate by ejecting
With ejected downwards in runner so that regrinding-material Automatic-falling under gravity;Therefore, the utility model realizes regrinding-material and molded
During Automatic-falling, that eliminate the artificial operation for picking regrinding-material or pick operation using the automatic of manipulator, help
In the overall time cycle for shortening injection mold formed product and reduce the cost for being molded and producing.
Brief description of the drawings
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation that three plate injection mold of the present utility model tool is under matched moulds state;
Fig. 2 is the structural representation that three plate injection mold of the present utility model tool is under die opening state;
Fig. 3 is that the utility model is hit by a bullet A portion enlarged diagram of the pin module 4 in i.e. Fig. 2 of mounting structure of water gap plate 12.
Embodiment
As shown in Figure 1 to Figure 3, the utility model discloses a kind of three-plate type note with regrinding-material Automatic-falling function
Mould, its inventive concept are:On the basis of three plate injection mold has existing structure, regrinding-material automatic dropping mechanism is set up
Realize regrinding-material Automatic-falling function.
The existing structure of above-mentioned three plate injection mold tool is:Three plate injection mold tool is provided with upper mould 1 and lower mould 2, and upper mould 1 is set
There are the panel 11 from top to bottom arranged, water gap plate 12 and front template 13, wherein, panel 11 is provided with sprue bushing construction 111, water gap plate
12 are provided with sprue bushing via 12a, and front template 13 is provided with runner mold insert construction 131, and sprue bushing construction 111 can be the knot of of panel 11 itself
Structure can also be mounted in the individual member on panel 11, and runner mold insert construction 131 can be the structure of of front template 13 itself
The individual member that can be mounted on front template 13;In the case where three plate injection mold tool is in matched moulds state, sprue bushing construction 111 is convex
The part for going out the bottom surface of panel 11 is stretched into sprue bushing via 12a, and the bottom surface of water gap plate 12 and the top surface of runner mold insert construction 131 are mutually tight
Patch so that injection material can pass sequentially through the sprue gate 111a of sprue bushing construction 111 and the runner 131a of runner mold insert construction 131
It is flowed into the die cavity 2a that front template 13 is formed with lower mould 2 and is molded, the injection article remained in sprue gate 111a and runner 131a
Material is regrinding-material;In the case where upper mould 1 is in die opening state, panel 11, water gap plate 12, front template 13 and lower mould 2 are equal between each other
Separation up and down.
Above-mentioned regrinding-material automatic dropping mechanism, which is provided with, to be drawn pin 3 and plays pin module 4, wherein, the bottom of drawing pin 3 is provided with can
The hook structure 3a for holding regrinding-material is hooked, pin module 4 is played and is provided with bullet pin 41;Water gap plate 12, which is additionally provided with, draws pin via 12b and bullet pin
Module mounting hole 12c, draw the upper end of pin 3 to be fixed on the bottom surface of sprue bushing construction 111, play pin module 4 and be arranged on bullet pin module
In mounting hole 12c so that:In the case where three plate injection mold tool is in matched moulds state, draws the bottom of pin 3 to pass through and draw pin via 12b
Stretch into runner 131a, play pin module mounting hole 12c lower end aperture part alignment runner 131a, another part alignment runner
Mold insert constructs 131 top surfaces, and order plays pin 41 and played by the top surface press-in of runner mold insert construction 131 in pin module mounting hole 12c;In upper mould
1 is under die opening state, and playing pin 41, ejection is extremely played outside pin module mounting hole 12c downwards.
The operation principle of three plate injection mold of the present utility model tool is:
When being molded under three plate injection mold tool is in matched moulds state, when injection material is injected by sprue gate 111a
It can be embedded into sprue gate 111a and runner 131a when the regrinding-material is cooled down and condensed in remaining regrinding-material, the bottom of drawing pin 3
Regrinding-material is located at the inside of runner 131a positions part;And now, play pin 41 and pin is played by the top surface press-in of runner mold insert construction 131
In module mounting hole 12c, injection moulding process is not impacted;
Then molded after three plate injection mold completes injection, it is divided into four-stage:
First stage, lower mould 2 are pulled down;
Second stage, when lower mould 2 is pulled to the extreme position with front template 13, (extreme position is by lower mould 2 with before
Attachment structure between template 13 determines, is omitted in figure and illustrates the attachment structure), front template 13 can also be driven downwards by lower mould 2
Motion, it is upward due to drawing the hook structure 3a of bottom of pin 3 to be located at runner 131a positions part to the regrinding-material embedded by it
Lifting active force so that regrinding-material can disconnect that (this is due to runner 131a and mould with the injecting products that are molded in die cavity 2a
The position of cave 2a handing-over can be designed to the weak spot of a connection, only need less active force to may be such that at the weak spot
Injection material disconnects);
Three phases, when front template 13 moves downwardly to the extreme position with water gap plate 12, (extreme position is by preceding
Attachment structure between template 13 and water gap plate 12 determines, is omitted in figure and illustrates the attachment structure), water gap plate 12 also can be preceding
Template 13 drives and moved downward, until water gap plate 12 moves downwardly to extreme position with panel 11, upper mould 1 complete die sinking and
Under die opening state;During this period, with drawing pin 3 to disconnect under active force of the regrinding-material when panel 11 separates with water gap plate 12,
Then, the ejection downwards of pin 41 is played to playing outside pin module mounting hole 12c so that regrinding-material is by bullet pin 41 from sprue gate 111a and stream
Eject downwards, and dropped out under gravity outside three plate injection mold tool in road 131a, realize the Automatic-falling of regrinding-material;
Four-stage, lower mould 2 continue to pull downward on, until the attachment structure between lower mould 2 and front template 13 is (general
For plastic pull bar) separated, now three plate injection mold tool is completed die sinking and is under die opening state.
On the basis of foregoing invention design, the utility model uses following preferable structure, to improve three-plate type injection
Mould realizes the functional reliability of regrinding-material Automatic-falling function:
Above-mentioned bullet pin module 4 is additionally provided with spring 42 and fixed screw 43, wherein, the medium position side wall for playing pin 41 is provided with
Boss 411, the bottom surface of fixed screw 43 are provided with blind hole 43a;It is the top being sequentially reduced by aperture to play pin module mounting hole 12c
The shoulder hole of screwed hole, middle through-hole and lower through-hole composition, play pin 41 and load bullet pin module mounting hole 12c from upper end aperture
In, and the bottom for playing pin 41 can be extended downwardly from by lower through-hole, boss 411 can be seated in middle through-hole and bottom leads to
On change diametric plane 12d between hole so that bullet pin module mounting hole 12c can not be departed from downwards by playing pin 41;Fixed screw 43 and top
Screwed hole is threadedly coupled so that play pin 41 be located at upper pole part on its boss 411 can fixed screw 43 blind hole 43a and
Moved up and down in the vestibule of middle through-hole connection composition, the bottom surface of sprue bushing construction 111 is provided with screw blind hole 111b, fixed screw
The part of the 43 protrusion top surfaces of water gap plate 12 can be contained in screw blind hole 111b when three plate injection mold has and is in matched moulds state
In;Spring 42 is enclosed on outside the upper pole part for playing pin 41, and the upper end of spring 42 is preferably fixed to the blind hole 43a of fixed screw 43
In, also, spring 42 is in pressure when playing pin 41 and being played by the top surface press-in of runner mold insert construction 131 in pin module mounting hole 12c
Contracting state so that:In the case where upper mould 1 is in die opening state, playing pin 41 can eject extremely downwards under the spring-force driven dual of spring 42
Play outside pin module mounting hole 12c.
Wherein, the upper end of spring 42 is preferably fixed in the blind hole 43a of fixed screw 43, to maximize spring 42 to playing pin
41 ejection active force.
In order to improve the success rate of regrinding-material automatic dropping mechanism Automatic-falling regrinding-material, above-mentioned regrinding-material Automatic-falling machine
Structure is provided with least two sets bullet pin modules 4;The corresponding every suit bullet pin module 4 of water gap plate 12 is equipped with a bullet pin module mounting hole
12c, and each center uniform intervals arrangement for playing pin module mounting hole 12c around runner 131a;On the bottom surface of sprue bushing construction 111
Each corresponding fixed screw 43 for playing pin module 4 is provided with a screw blind hole 111b.The utility model selects two sets of bullets of excellent setting
Pin module 4.
In order to maximize the functional reliability for playing pin module 4, above-mentioned bullet pin module mounting hole 12c lower end orifice center pair
Quasi- runner 131a constructs the edge 131b of 131 top surfaces in runner mold insert.
The above-mentioned preferred alignment runner 131a of drawing pin 3 center.
For the ease of hooking the structure held regrinding-material and simplify drawing pin 3, the hook structure 3a of above-mentioned drawing pin 3 is to be arranged on drawing
V-depression in the bottom side wall of pin 3, and v-depression is around the axis setting for drawing pin 3.
The utility model is not limited to above-mentioned embodiment, according to the above, according to the ordinary skill of this area
Knowledge and customary means, under the premise of the above-mentioned basic fundamental thought of the utility model is not departed from, the utility model can also be made
Equivalent modifications, replacement or the change of other diversified forms, all fall among the scope of protection of the utility model.Such as:Play needle mould
Block 4 can also use the ejection and retraction of other existing constitution realization bullet pins 41.
Claims (7)
1. it is a kind of with regrinding-material Automatic-falling function three plate injection mold tool, provided with upper mould (1) and lower mould (2), it is described on
Mould (1) is provided with panel (11), water gap plate (12) and the front template (13) from top to bottom arranged, wherein, the panel (11) is provided with
Sprue bushing constructs (111), and the water gap plate (12) is provided with sprue bushing via (12a), and the front template (13) constructs provided with runner mold insert
(131);In the case where three plate injection mold tool is in matched moulds state, the sprue bushing construction (111) protrudes panel (11) bottom
The part in face is stretched into the sprue bushing via (12a), bottom surface and the runner mold insert construction (131) of the water gap plate (12)
Top surface is mutually close to so that injection material can pass sequentially through the sprue gate (111a) of the sprue bushing construction (111) and the runner
The runner (131a) of mold insert construction (131) is flowed into the die cavity (2a) that the front template (13) is formed with lower mould (2) and is molded, remaining
The injection material stayed in the sprue gate (111a) and runner (131a) is regrinding-material;Mould (1) is in die sinking on described
Under state, the panel (11), water gap plate (12), front template (13) and lower mould (2) separate up and down between each other;
It is characterized in that:Described three plate injection mold tool is additionally provided with regrinding-material automatic dropping mechanism, and the regrinding-material takes off automatically
Fall mechanism to be provided with drawing pin (3) and play pin module (4), wherein, the bottom of the drawing pin (3), which is provided with to hook, holds the mouth of a river
The hook structure (3a) of material, the bullet pin module (4), which is provided with, plays pin (41);The water gap plate (12), which is additionally provided with, draws pin via
(12b) and pin module mounting hole (12c) is played, the upper end for drawing pin (3) is fixed on the bottom surface of the sprue bushing construction (111)
On, the bullet pin module (4) is arranged in the bullet pin module mounting hole (12c) so that:At the three plate injection mold tool
Under matched moulds state, the bottom for drawing pin (3) is stretched into the runner (131a) through the drawing pin via (12b), institute
State the lower end aperture part alignment runner (131a) for playing pin module mounting hole (12c), another part is directed at the runner
Mold insert constructs (131) top surface, makes the bullet pin (41) be constructed the top surface of (131) by the runner mold insert and is pressed into the bullet pin module
In mounting hole (12c);Mould (1) is under die opening state on described, the bullet pin (41) ejection downwards to the bullet pin module
Outside mounting hole (12c).
2. three plate injection mold tool according to claim 1, it is characterised in that:Described bullet pin module (4) is additionally provided with bullet
Spring (42) and fixed screw (43), wherein, the medium position side wall for playing pin (41) is provided with boss (411), the fixed screw
(43) bottom surface is provided with blind hole (43a);The pin module mounting hole (12c) that plays is the top screw thread being sequentially reduced by aperture
The shoulder hole in hole, middle through-hole and lower through-hole composition, the bullet pin (41) load the bullet pin module installation from upper end aperture
In hole (12c), and the bottom for playing pin (41) can be extended downwardly from by the lower through-hole, boss (411) can be sat
Fall on the change diametric plane (12d) between the middle through-hole and lower through-hole, the fixed screw (43) and top screwed hole spiral shell
Line connects so that the upper pole part that the bullet pin (41) is located on its boss (411) can be in the blind of the fixed screw (43)
Hole (43a) connects with the middle through-hole to be moved up and down in the vestibule of composition, and the bottom surface of the sprue bushing construction (111) is provided with spiral shell
Silk blind hole (111b), the part that the fixed screw (43) protrudes water gap plate (12) top surface can be molded in the three-plate type
Mould is contained in when being in matched moulds state in the screw blind hole (111b);The spring (42) is enclosed on the upper of the bullet pin (41)
Outside bar portion, also, the spring (42) is constructed described in the top surface press-in of (131) in the bullet pin (41) by the runner mold insert
Compressive state is in when playing in pin module mounting hole (12c) so that:Mould (1) is under die opening state on described, the bullet pin
(41) can be ejected downwards under the spring-force driven dual of the spring (42) to outside the bullet pin module mounting hole (12c).
3. three plate injection mold tool according to claim 2, it is characterised in that:The upper end of the spring (42) is fixed on institute
In the blind hole (43a) for stating fixed screw (43).
4. three plate injection mold tool according to claim 1, it is characterised in that:Described regrinding-material automatic dropping mechanism is set
There are at least two sets bullet pin modules (4);Pin module (4), which is played, described in the corresponding every suit of the water gap plate (12) is equipped with an institute
State and play pin module mounting hole (12c), and each bullet pin module mounting hole (12c) is equal around the center of the runner (131a)
Even arranged for interval;Each described fixed screw (43) for playing pin module (4) is corresponded on the bottom surface of the sprue bushing construction (111) to set
There is a screw blind hole (111b).
5. three plate injection mold tool according to claim 1, it is characterised in that:The bullet pin module mounting hole (12c)
Lower end orifice center is directed at the edge (131b) that the runner (131a) constructs (131) top surface in the runner mold insert.
6. the three plate injection mold tool according to claim 1 to 5 any one, it is characterised in that:Drawing pin (3) alignment
The center of the runner (131a).
7. the three plate injection mold tool according to claim 1 to 5 any one, it is characterised in that:The drawing for drawing pin (3)
Hook structure (3a) is the v-depression being arranged in the bottom side wall of the drawing pin (3), and the v-depression is around the drawing
The axis of pin (3) is set.
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CN201720091860.XU CN206999538U (en) | 2017-01-22 | 2017-01-22 | A kind of three plate injection mold tool with regrinding-material Automatic-falling function |
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CN201720091860.XU CN206999538U (en) | 2017-01-22 | 2017-01-22 | A kind of three plate injection mold tool with regrinding-material Automatic-falling function |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112428522A (en) * | 2020-10-22 | 2021-03-02 | 福建惠安辉腾玻璃塑业有限公司 | Forming die of plastic spherical shell and demolding method thereof |
CN114589871A (en) * | 2020-12-07 | 2022-06-07 | 广东立凯精密科技有限公司 | Mould capable of automatically removing blanking branches |
-
2017
- 2017-01-22 CN CN201720091860.XU patent/CN206999538U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112428522A (en) * | 2020-10-22 | 2021-03-02 | 福建惠安辉腾玻璃塑业有限公司 | Forming die of plastic spherical shell and demolding method thereof |
CN114589871A (en) * | 2020-12-07 | 2022-06-07 | 广东立凯精密科技有限公司 | Mould capable of automatically removing blanking branches |
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