CN207013698U - Metal die-casting mold secondary side core-pulling die mechanism - Google Patents
Metal die-casting mold secondary side core-pulling die mechanism Download PDFInfo
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- CN207013698U CN207013698U CN201720781232.4U CN201720781232U CN207013698U CN 207013698 U CN207013698 U CN 207013698U CN 201720781232 U CN201720781232 U CN 201720781232U CN 207013698 U CN207013698 U CN 207013698U
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Abstract
Metal die-casting mold secondary side core-pulling die mechanism,Four-slider (120) is slidably mounted in the T-shaped groove of moving platen (425),First location-plate (145) is fastenedly connected the lateral surface in moving platen (425) with the 3rd screw (455),The middle part slip cap of Four-slider (120) is equipped with the first sliding block (130),The 4th spring (25) is horizontally installed between first sliding block (130) and Four-slider (120),After the front end of first sliding block (130) slides through Four-slider (120),The inclined-plane of its first sliding block (130) front end both sides is locked by the second sliding block (205) and the 3rd sliding block (215),Side core-pulling core (505) and the 3rd spring (225) are separately installed with second sliding block (205) and the 3rd sliding block (215),Side core-pulling core (505) is stretched into the transverse holes on the inside of product (115).
Description
Technical field
The present invention relates to die casting die for metal, and it is metal die-casting mold secondary side core-pulling die mechanism.
Background technology
Product have with die sinking direction it is inconsistent side it is recessed, side is convex, side opening shape when, in mold design, it is necessary to use
Side-parting core-pulling mechanism.Lateral forming part and product is first completed before the demoulding to separate, otherwise product can not be completed to be stripped,
Existing side core pulling mechanism has：1. motor-driven side-parting core-pulling mechanism, it is used as power using die casting machine mould opening force, passes through biography
Power is acted on lateral forming part by dynamic part makes its undercut or by its side core-pulling, leans on relevant driving parts again during matched moulds
Reset lateral forming part.2. hydraulic pressure or air pressure side-parting core-pulling mechanism, it is using hydraulic coupling or compressed air
Power carries out parting and core pulling, equally resets lateral forming part by hydraulic coupling or compressed air.Above two undercut with
Though core-pulling mechanism can realize the advantages of automated production, production efficiency are high, core pulling action is steady reliable, taking out force is big, right
In some article shapes are complicated, product side side is recessed, side is convex, side opening has multistage, and the recessed middle band in side with side core-pulling side
To different side openings, such as designed using existing side parting with core-pulling mechanism, then the side core-pulling part of product will
Appearance is broken from core pulling part, ruptures its product, or side core pulling part can not separate with side core-pulling part at all, with
Product is caused not deviate from.In order to overcome above mentioned problem, just in the side of product secondary core-pulling mechanism must be set to complete this
The parting at place and core pulling, it can just make outside the intact abjection mould of product.
The content of the invention
The present invention is to provide metal die-casting mold twice core pulling mold mechanism, as shown in figure 1, due to product side have it is multiple
The side of different directions is recessed, and product requires smooth in appearance, not only because in product side recessed (p) but also having a side opening (m) different from core pulling direction,
If using a core pulling, then product can not be just stripped, or even draw useless product, therefore just must necessarily be located secondary core-pulling
Structure.Its embodiment is as follows：It is completed using Angle Pin, and as shown in Fig. 2, when the mold is open, Angle Pin is with cover half
Plate is moved to dynamic model direction, while promotes the first sliding block (130) lateral movement, and at the same time, the second sliding block (205) and the 3rd is slided
Block (215) moves to both sides under spring force, then completes first time core pulling；Angle Pin continues to press on Four-slider
(120) it is mobile, so that the side that the first sliding block (130) and Four-slider (120) depart from product is recessed, realize twice core pulling.Such as
Shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, during die sinking, in the presence of the first spring (75) and resin shutter (85), mould
Tool is opened first at the first die joint n-n, and at this moment the fixed mold (105) on top clamping plate (55) is taken out from product
Go out, resin shutter (85) continues to drive solid plate (65) to move to dynamic model direction, when being fastenedly connected on the outside of the solid plate (65)
When position block (415) on face is collided with the stop nut (705) on pull bar (80), solid plate (65) is limited
Firmly, no longer moved to dynamic model direction.And die casting machine continues to drive dynamic model part to be moved rearwards, at this moment resin shutter (85) is from calmly
Extracted out in template (65), then solid plate (65) and dynamic model part are opened at the second die joint V-V.Now it is arranged on cover half
Angle Pin (170) in plate (65) stirs the first sliding block (130) to action on the outside of mould, and during This move, first slides
Block (130) is extracted out from the second sliding block (205) and the 3rd sliding block (215), then the second sliding block (205) and the 3rd sliding block (215)
Start core pulling action in the presence of the 3rd spring (225), the side on the second sliding block (205) and the 3rd sliding block (215)
Core pulling core (505) is extracted out from product (115), and so far first time core pulling action is completed.Die casting machine continues driven mold dynamic model
Moved behind part, and at this moment Angle Pin (170) drives the first sliding block (130) to continue to movement on the outside of mould, when the first sliding block (130)
In (k) place overlapped with (f) place in Four-slider (120) in a line, at this moment Angle Pin (170) drive the first sliding block
(130) and Four-slider (120) is synchronous to action on the outside of mould, during This move, (t) in Four-slider (120)
Place is extracted out from product (115) from (p), and then second of core pulling is completed.By above-described embodiment, solves existing core-pulling mechanism
The problem of such the part with complicated structure core pulling can not be completed or can not be stripped.The beneficial effect of the mold mechanism is：It can be safe and reliable
Complete to carry the core pulling of the side opening different from core pulling direction during the part with complicated structure inner side is recessed in ground.Simultaneously it be adapted to metal die-casting mold and
The core pulling of plastic injection mould similar articles uses, its mould features compact structure, and action is solid and reliable, and the first sliding block (130) is not only
Play a part of core pulling itself, and also act as the effect of the second sliding block of locking (205) and the 3rd sliding block (215), then greatly
Mold mechanism is simplified in degree, reduces die cost, improves the purpose of productivity effect.Metal die-casting mold secondary side is taken out
Core mold mechanism, it is characterized in that：It is made up of fixed half and moving half two parts, its cover half by：Top clamping plate (55), centring ring
(90), sprue bush (95), pull bar (80), the first spring (75), stop nut (705), position block (415), solid plate (65),
Angle Pin (170), fixed mold (105) are formed, and the top clamping plate (55) is fastenedly connected with solid plate (65) with screw, described
Plane is fastenedly connected centring ring (90) with screw on top clamping plate (55), after the pull bar (80) is set with the first spring (75),
Pull bar (80) slides through the hole on the position block (415) of solid plate (65) side, and the upper end of pull bar (80) is with determining
Die holder plate (55) is connected into screw threads for fastening, and the lower end of pull bar (80) is connected with stop nut (705) into screw threads for fastening, the cast gate
Set (95) slides through the hole on top clamping plate (55) and solid plate (65), and the small end of sprue bush (95) is close to product (115),
The fixed mold (105) is fastened in top clamping plate (55) with soket head cap screw, is inserted during the front end matched moulds of fixed mold (105)
In the hole for entering product (115), Angle Pin (170) is installed in the stepped hole of the solid plate (65), Angle Pin (170) passes through
Behind hole on first sliding block (130) and the second sliding block (120), its front end is located in the groove of moving platen (425)；The mould moves
Mould by：Moving platen (425), the first sliding block (130), Four-slider (120), the second sliding block (205), the 3rd sliding block (215), tree
Fat shutter (85), draw material pin (195), thimble (185), dynamic mould core (435), baffle plate (180), support block (15), Bottom clamp plate
(5), ejector retainner plate (160), ejector plate (165), the first screw (190), the second screw (445), location-plate (145), the 3rd spiral shell
Follow closely (455), second spring (150), the 3rd spring (225), steel ball (140), headless screw (155) composition, the moving platen
(425), support block (15), Bottom clamp plate (5) are fastenedly connected with the second screw (445), in moving platen (425), support block (15), dynamic model
Ejector retainner plate (160) and ejector plate (165), the ejector retainner plate (160) and ejector plate are provided with the cavity that seat board (5) is formed
(165) it is fastenedly connected with screw, is provided with the stepped hole of ejector retainner plate (160) and draws material pin (195) and thimble (185), the drawing
Material pin (195) slides through the hole of moving platen (425), draws the upper end of material pin (195) to be coagulated with the cast in running gate system sprue
Material (100) links closely, and the thimble (185) slides through the hole on moving platen (425) and dynamic mould core (435), its thimble (185)
Upper end is close to the inner surface of product (115), and the moving platen (425) is fastened with dynamic mould core (435) with the first screw (190)
Connection, the baffle plate (180) are fastened in moving platen (425) with soket head cap screw, the resin shutter (85) and moving platen
(425) it is fastenedly connected, during matched moulds, in the hole that resin shutter (85) insertion solid plate (65) opens up, in moving platen (425)
Top is provided with Four-slider (120), and the Four-slider (120) is slidably mounted in the T-shaped groove of moving platen (425), and the 4th
The lower end of sliding block (120) is provided with steel ball (140) and second spring (150), the steel ball (140) and second spring (150) installation
In the hole of moving platen (425), headless screw (155), the headless screw (155) are provided with the lower end of second spring (150)
Match somebody with somebody to merge into screw thread with moving platen (425) and lock second spring (150), the 3rd screw (455) of the first location-plate (145)
The lateral surface in moving platen (425) is fastenedly connected, the middle part slip cap of the Four-slider (120) is equipped with the first sliding block (130),
The 4th spring (25), first sliding block (130) are horizontally installed between first sliding block (130) and Four-slider (120)
Front end slide through Four-slider (120) after, the inclined-plane of its first sliding block (130) front end both sides by the second sliding block (205) and
3rd sliding block (215) is locked, and side core-pulling core (505) and the are provided with second sliding block (205) and the 3rd sliding block (215)
Three springs (225), the side core-pulling core (505) are stretched into the transverse holes on the inside of product (115)；Stop screw (135) fastens
It is connected to the afterbody of Four-slider (120), during die sinking, the first sliding block (130) is close to stop screw (135), and the described 4th slides
It is close to during the inclined-plane matched moulds of block (120) and the first sliding block (130) afterbody with the inclined-plane opened up in solid plate (65), the described 4th slides
It is close to during the vertical plane die sinking of block (120) rear end with the vertical plane of the first location-plate (145).
Brief description of the drawings
The present invention is further described below in conjunction with the accompanying drawings
Shown in figure：
Fig. 1 is the structure chart of product.
Fig. 2 is the profile of a-a in Fig. 6.
Fig. 3 is Fig. 2 top view.
Fig. 4 is the profile of width side when the mould closes.
Fig. 5 is the profile of length side when the mould closes.
Fig. 6 is the mould secondary tube bundle extracting machine composition.
Fig. 7 is that secondary core-pulling mechanism a-a cuts open right planar view in the die drawing 6.
Fig. 8 is b-b sectional views in the die drawing 6.
Fig. 9 is the top view of the mould.
Digital number represents respectively in figure：
5 --- Bottom clamp plate 15 --- support block 20 --- guide pillars
25 --- the 4th spring 30 --- the second location-plate 35 --- the 5th sliding blocks
40 --- guide pin bushing 55 --- top clamping plate 65 --- solid plates
75 --- the first spring 80 --- pull bar 85 --- resin shutters
90 --- centring ring 95 --- sprue bush
100 --- running gate system sprue condensate 105 --- fixed molds
115 --- product 120 --- Four-slider 125 --- sliding block slide guide mold inserts
130 --- the first sliding block 135 --- stop screw 140 --- steel balls
145 --- the first location-plate 150 --- second spring 155 --- headless screws
160 --- ejector retainner plate 165 --- ejector plate 170 --- Angle Pins
180 --- baffle plate 185 --- thimble 190 --- first screws
195 --- draw material pin 205 --- the second sliding block 215 --- the 3rd sliding block
225 --- the 3rd spring 415 --- positioning baffle 425 --- moving platens
435 --- dynamic mould core 445 --- the second screw 455 --- the 3rd screws
505 --- side core-pulling core 705 --- stop nuts
T --- represent the front end face of Four-slider (120).
P --- represent the groove in product (115).
F --- represent the outer hypotenuse of inclined hole in Four-slider (120).
M --- represent the holes different from core pulling direction in product side groove (p).
K --- represent the outer hypotenuse of inclined hole in the first sliding block (130).
A-a --- represent longitudinal profile.
B-b --- represent horizontal section.
N-n --- at the opening for representing top clamping plate (55) and solid plate (65).
V-v --- at the opening for representing solid plate (65) and moving platen (425).
Embodiment：
Be illustrated as metal die-casting mold secondary side core-pulling die mechanism, below to the connection of the construction of the mold mechanism and
Operating principle elaborates：
First, construction connection：It is made up of fixed half and moving half two parts, its cover half by：Top clamping plate (55), centring ring
(90), sprue bush (95), pull bar (80), the first spring (75), stop nut (705), position block (415), solid plate (65),
Angle Pin (170), fixed mold (105) are formed, and the top clamping plate (55) is fastenedly connected with solid plate (65) with screw, described
Plane is fastenedly connected centring ring (90) with screw on top clamping plate (55), after the pull bar (80) is set with the first spring (75),
Pull bar (80) slides through the hole on the position block (415) of solid plate (65) side, and the upper end of pull bar (80) is with determining
Die holder plate (55) is connected into screw threads for fastening, and the lower end of pull bar (80) is connected with stop nut (705) into screw threads for fastening, the cast gate
Set (95) slides through the hole on top clamping plate (55) and solid plate (65), and the small end of sprue bush (95) is close to product (115),
The fixed mold (105) is fastened in top clamping plate (55) with soket head cap screw, is inserted during the front end matched moulds of fixed mold (105)
In the hole for entering product (115), Angle Pin (170) is installed in the stepped hole of the solid plate (65), Angle Pin (170) is through the
Behind hole on one sliding block (130) and the second sliding block (120), its front end is located in the groove of moving platen (425)；The mould moves
Mould by：Moving platen (425), the first sliding block (130), Four-slider (120), the second sliding block (205), the 3rd sliding block (215), resin
Shutter (85), draw material pin (195), thimble (185), dynamic mould core (435), baffle plate (180), support block (15), Bottom clamp plate
(5), ejector retainner plate (160), ejector plate (165), the first screw (190), the second screw (445), location-plate (145), the 3rd spiral shell
Follow closely (455), second spring (150), the 3rd spring (225), steel ball (140), headless screw (155) composition, the moving platen
(425), support block (15), Bottom clamp plate (5) are fastenedly connected with the second screw (445), in moving platen (425), support block (15), dynamic model
Ejector retainner plate (160) and ejector plate (165), the ejector retainner plate (160) and ejector plate are provided with the cavity that seat board (5) is formed
(165) it is fastenedly connected with screw, is provided with the stepped hole of ejector retainner plate (160) and draws material pin (195) and thimble (185), the drawing
Material pin (195) slides through the hole of moving platen (425), draws the upper end of material pin (195) to be coagulated with the cast in running gate system sprue
Material (100) links closely, and the thimble (185) slides through the hole on moving platen (425) and dynamic mould core (435), its thimble
(185) upper end is close to the inner surface of product (115), the moving platen (425) and the first screw of dynamic mould core (435)
(190) it is fastenedly connected, the baffle plate (180) is fastened in moving platen (425) with soket head cap screw, the resin shutter
(85) it is fastenedly connected with moving platen (425), during matched moulds, in the hole that resin shutter (85) insertion solid plate (65) opens up, dynamic
The top of template (425) is provided with Four-slider (120), and the Four-slider (120) is slidably mounted on the T-shaped of moving platen (425)
In groove, the lower end of Four-slider (120) is provided with steel ball (140) and second spring (150), the steel ball (140) and the second bullet
Spring (150) is arranged in the hole of moving platen (425), and headless screw (155), the nothing are provided with the lower end of second spring (150)
Head screw (155) and moving platen (425) are into screw thread with merging second spring (150) locking, and the first location-plate (145) is with the
Three screws (455) are fastenedly connected the lateral surface in moving platen (425), and the middle part slip cap of the Four-slider (120) is equipped with the
One sliding block (130), the 4th spring (25) is horizontally installed between first sliding block (130) and Four-slider (120), it is described
After the front end of first sliding block (130) slides through Four-slider (120), the inclined-plane of its first sliding block (130) front end both sides is by
Two sliding blocks (205) and the 3rd sliding block (215) are locked, and side is separately installed with second sliding block (205) and the 3rd sliding block (215)
Core pulling core (505) and the 3rd spring (225), the transverse holes that the side core-pulling core (505) is stretched on the inside of product (115)
In；Stop screw (135) is fastenedly connected the afterbody in Four-slider (120), during die sinking, the first sliding block (130) and stop screw
(135) it is close to, with being opened up in solid plate (65) during the inclined-plane matched moulds of the Four-slider (120) and the first sliding block (130) afterbody
Inclined-plane be close to, be close to the vertical plane of the first location-plate (145) during the die sinking of the vertical plane of Four-slider (120) rear end.
2nd, operating principle：When mould installion is on die casting machine, through moulding by casting, pressurize feeding, after cooling and shaping, die sinking
When, in the presence of the first spring (75) and resin shutter (85), mould is opened first at the first die joint n-n, at this moment
Fixed mold (105) on top clamping plate (55) is extracted out from product, and resin shutter (85) continues to drive solid plate
(65) moved to dynamic model direction, when the position block (415) being fastenedly connected on solid plate (65) lateral surface and be arranged on pull bar
(80) when the stop nut (705) on is collided, solid plate (65) is locked, and is no longer moved to dynamic model direction.And die casting machine after
Continuous to drive dynamic model part to be moved rearwards, at this moment resin shutter (85) is extracted out from solid plate (65), then solid plate (65) and
Moving platen (425) is opened at the second die joint v-v.The Angle Pin (170) being now arranged in solid plate (65) stirs first
Sliding block (130) acts on the outside of mould, and during This move, the first sliding block (130) is from the second sliding block (205) and the 3rd
Extracted out in sliding block (215), then the second sliding block (205) and the 3rd sliding block (215) start in the presence of the 3rd spring (225)
Core pulling action, side core-pulling core (505) on the second sliding block (205) and the 3rd sliding block (215) is at this moment separately mounted to from product
(115) extracted out in, so far first time core pulling action is completed.Die casting machine moves after continuing driven mold dynamic model part, and at this moment tiltedly leads
Post (170) drives the first sliding block (130) to continue to mobile on the outside of mould, when (k) place being moved in the first sliding block (130) with
(f) place in Four-slider (120) is overlapped in a line, and at this moment Angle Pin (170) drives the first sliding block (130) and Four-slider
(120) synchronous to acting on the outside of mould, during This move, (t) place of Four-slider (120) front end is from product (115)
In (p) place extract out, then second of core pulling complete.After the completion of twice core pulling, at this moment die casting machine push rod promotes ejector plate
(165) drive the thimble (185) being arranged on ejector retainner plate (160) by product (115) from dynamic mould core (435) outside launch mode.
After one-time cast-forming, when mould resets, it is opposite effect when die casting machine driven mold dynamic model part molds, mould is beaten
Open part to be returned to die sinking original state and lock, just enter moulding by casting next time.
Claims (1)
1. metal die-casting mold secondary side core-pulling die mechanism, it is characterized in that：It is made up of fixed half and moving half two parts, its cover half
By：It is top clamping plate (55), centring ring (90), sprue bush (95), pull bar (80), the first spring (75), stop nut (705), fixed
Position block (415), solid plate (65), Angle Pin (170), fixed mold (105) are formed, the top clamping plate (55) and solid plate
(65) it is fastenedly connected with screw, plane is fastenedly connected centring ring (90), the pull bar with screw on the top clamping plate (55)
(80) after being set with the first spring (75), pull bar (80) slides through the position block (415) installed in solid plate (65) side
On hole, the upper end of pull bar (80) is connected with top clamping plate (55) into screw threads for fastening, the lower end of pull bar (80) and stop nut
(705) connected into screw threads for fastening, the sprue bush (95) slides through the hole on top clamping plate (55) and solid plate (65), cast gate
The small end of set (95) is close to product (115), and the fixed mold (105) is fastened on top clamping plate (55) with soket head cap screw
In, insert in the hole of product (115) during the front end matched moulds of fixed mold (105), installed in the stepped hole of the solid plate (65)
After having Angle Pin (170), Angle Pin (170) to pass through the hole on the first sliding block (130) and the second sliding block (120), its front end is located at
In the groove of moving platen (425)；The dynamic model of the mould by：Moving platen (425), the first sliding block (130), Four-slider (120),
Two sliding blocks (205), the 3rd sliding block (215), resin shutter (85), draw material pin (195), thimble (185), dynamic mould core (435),
Baffle plate (180), support block (15), Bottom clamp plate (5), ejector retainner plate (160), ejector plate (165), the first screw (190), the second spiral shell
Follow closely (445), location-plate (145), the 3rd screw (455), second spring (150), the 3rd spring (225), steel ball (140), without a head
Screw (155) is formed, and the moving platen (425), support block (15), Bottom clamp plate (5) are fastenedly connected with the second screw (445),
Ejector retainner plate (160) and ejector plate (165), institute are provided with the cavity that moving platen (425), support block (15), Bottom clamp plate (5) are formed
State ejector retainner plate (160) and ejector plate (165) is fastenedly connected with screw, be provided with the stepped hole of ejector retainner plate (160) and draw material pin
(195) and thimble (185), the drawing material pin (195) slide through the hole of moving platen (425), draw the upper end of material pin (195) with pouring
Cast condensate (100) in injection system sprue links closely, and the thimble (185) slides through moving platen (425) and dynamic mould core
(435) hole on, its thimble (185) upper end are close to the inner surface of product (115), the moving platen (425) and dynamic mould core
(435) it is fastenedly connected with the first screw (190), the baffle plate (180) is fastened in moving platen (425) with soket head cap screw, institute
State resin shutter (85) to be fastenedly connected with moving platen (425), during matched moulds, resin shutter (85) insertion solid plate (65) opens up
Hole in, be provided with Four-slider (120) in the top of moving platen (425), the Four-slider (120) is slidably mounted on moving platen
(425) in T-shaped groove, the lower end of Four-slider (120) is provided with steel ball (140) and second spring (150), the steel ball
(140) it is arranged on second spring (150) in the hole of moving platen (425), headless screw is provided with the lower end of second spring (150)
(155), the headless screw (155) is matched somebody with somebody to merge and locks second spring (150) with moving platen (425) into screw thread, the first positioning
Plate (145) is fastenedly connected the lateral surface in moving platen (425) with the 3rd screw (455), and the middle part of the Four-slider (120) is slided
It is dynamic to be set with the first sliding block (130), it is horizontally installed with the 4th spring between first sliding block (130) and Four-slider (120)
(25) after, the front end of first sliding block (130) slides through Four-slider (120), its first sliding block (130) front end both sides
The second sliding block (205) and the 3rd sliding block (215) are locked in inclined-plane, on second sliding block (205) and the 3rd sliding block (215) respectively
Side core-pulling core (505) and the 3rd spring (225), the horizontal stroke that the side core-pulling core (505) is stretched on the inside of product (115) are installed
Xiang Kongzhong；Stop screw (135) is fastenedly connected the afterbody in Four-slider (120), during die sinking, the first sliding block (130) with it is spacing
Screw (135) is close to, during the inclined-plane matched moulds of the Four-slider (120) and the first sliding block (130) afterbody with solid plate (65)
The inclined-plane opened up is close to, and the vertical plane of Four-slider (120) rear end is tight with the vertical plane of the first location-plate (145) when molding
Patch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720781232.4U CN207013698U (en) | 2017-06-21 | 2017-06-21 | Metal die-casting mold secondary side core-pulling die mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720781232.4U CN207013698U (en) | 2017-06-21 | 2017-06-21 | Metal die-casting mold secondary side core-pulling die mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207013698U true CN207013698U (en) | 2018-02-16 |
Family
ID=61482765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720781232.4U Expired - Fee Related CN207013698U (en) | 2017-06-21 | 2017-06-21 | Metal die-casting mold secondary side core-pulling die mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207013698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303645A (en) * | 2019-06-28 | 2019-10-08 | 广东松山职业技术学院 | A lateral secondary core-pulling injection mold used in the production of coffee machine handles |
-
2017
- 2017-06-21 CN CN201720781232.4U patent/CN207013698U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303645A (en) * | 2019-06-28 | 2019-10-08 | 广东松山职业技术学院 | A lateral secondary core-pulling injection mold used in the production of coffee machine handles |
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Granted publication date: 20180216 Termination date: 20180621 |