CN113635524B - Injection mold rack pushes up mechanism to one side - Google Patents
Injection mold rack pushes up mechanism to one side Download PDFInfo
- Publication number
- CN113635524B CN113635524B CN202110880542.2A CN202110880542A CN113635524B CN 113635524 B CN113635524 B CN 113635524B CN 202110880542 A CN202110880542 A CN 202110880542A CN 113635524 B CN113635524 B CN 113635524B
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- Prior art keywords
- ejector rod
- straight
- oblique
- rod
- ejector
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection mold rack inclined ejection mechanism which is characterized by comprising a guide block, an inclined ejector rod and a straight ejector rod, wherein the guide block is fixedly arranged; the guide block is internally provided with a sliding channel matched with an inclined ejector rod and a straight ejector rod, the inclined ejector rod is provided with an inclined ejector head, a compression spring is arranged inside the inclined ejector head, the inclined ejector head is in sliding connection with the inclined ejector rod, two ends of the compression spring are respectively abutted against the inclined ejector head and the inclined ejector rod to move upwards, and the inclined ejector head and the side surface of the inclined ejector rod are provided with matched latch structures. The invention has the advantages that the lifting control of the inclined ejector rod is completed through the lifting of the straight ejector rod, the lifting control of the inclined ejector rod can be realized through the arrangement of the compression spring between the inclined ejector head and the inclined ejector rod, the clamping tooth structure can shake when the inclined ejector rod is ejected out of a mold, so that the ejection efficiency of the inclined ejector rod can be improved, the straight ejector rod and the inclined ejector rod are limited mutually, the ejection stability of the inclined ejector rod can be improved, and the ejection efficiency is high.
Description
Technical Field
The application relates to the technical field of mold pitched roof mechanisms, in particular to an injection mold rack pitched roof mechanism.
Background
At present, because of the limitation of certain products, the demolding distance and angle of the inclined ejector rod are required to be very large when the mold is demolded; the angle does not exceed 13 degrees theoretically on the traditional oblique ejector rod, and an oblique ejector auxiliary rod is added when the angle exceeds 13 degrees. Under the condition that the inclined ejection auxiliary rod exists, the angle cannot exceed 20 degrees under the limit condition, the inclined ejection auxiliary rod occupies more die space, the die is easy to damage in mass production, the inclined ejection rod is broken, the ejection is not smooth, abnormal sound is generated, mass production is seriously affected, and even mass production cannot be realized, the time required for maintenance is long, and the mass production of products is delayed.
For example, in chinese patent literature, patent No. CN2014205847490 in 2015, 4 months and 1 days grant the utility model patent of bulletin, this application discloses a mould with oblique top mechanism, include cope match-plate pattern, lower bolster, be located the roof of lower bolster below, be located the bottom plate of roof below, the roof on be equipped with oblique footstock, oblique footstock on slide and be equipped with slide guide, slide guide on be equipped with oblique ejector pin, oblique ejector pin upwards penetrate the lower bolster in, the upper end of oblique ejector pin is equipped with oblique kicking block, slide guide on be equipped with an auxiliary rod, the auxiliary rod with oblique ejector pin parallel, the auxiliary rod upwards penetrate to the slant in the lower bolster, the auxiliary rod slant under penetrate the bottom plate in.
The existing technology has the disadvantages that the inclined top and the assembly thereof occupy larger space and are inconvenient to maintain.
Disclosure of Invention
Based on the defects in the prior art, the invention provides the injection mold rack lifter mechanism, which can improve the ejection stability of the lifter, facilitate the ejection of the lifter mechanism and improve the ejection efficiency of the lifter mechanism.
In order to achieve the above object, the present invention adopts the following technical solutions.
An injection mold rack inclined ejection mechanism is characterized by comprising a guide block which is fixedly arranged, an inclined ejection rod and a straight ejection rod which are arranged in an intersecting state, wherein the inclined ejection rod and the straight ejection rod are provided with matching grains; the guide block is internally provided with a sliding channel matched with an inclined ejector rod and a straight ejector rod, the inclined ejector rod is provided with an inclined ejector head, a compression spring is arranged inside the inclined ejector head, the inclined ejector head is in sliding connection with the inclined ejector rod, two ends of the compression spring are respectively abutted against the inclined ejector head and the inclined ejector rod to move upwards, and the inclined ejector head and the side surface of the inclined ejector rod are provided with matched latch structures.
This application accomplishes the lift control of oblique ejector pin through the lift of straight ejector pin, through the setting of compression spring between oblique ejector pin and the oblique ejector pin, can realize the lift control of oblique ejector pin, pushes up when ejecting the mould to one side, and the shake can take place for the latch structure cooperation to can improve oblique ejecting efficiency, straight ejector pin and oblique ejector pin are spacing each other, can improve oblique ejecting stability, and ejecting efficiently.
Preferably, the matching lines are insections which are arranged perpendicular to the axis of the straight ejector rod. The straight ejector rod and the inclined ejector rod are meshed and synchronously driven through the insections, and the inclined ejector rod is stably ejected.
Preferably, the sliding channel comprises a first channel matched with the inclined ejector rod and a second channel matched with the straight ejector rod, the first channel and the second channel are communicated in an intersecting mode, and transition arcs are arranged at the end portions of the first channel and the second channel respectively. The first channel and the second channel limit the inclined ejector rod and the straight ejector rod, and ensure the lifting stability of the inclined ejector rod and the straight ejector rod; the straight ejector rod and the inclined ejector rod can slide in the sliding channel conveniently through the transition arc, and the sliding stability is improved.
Preferably, the lifter mechanism further comprises a limiting block which is fixedly arranged relative to the guide block, the matching lines comprise threads on the upper section of the straight ejector rod and helical teeth on the oblique ejector rod, the lower section of the straight ejector rod is provided with transmission threads, and a transmission hole matched with the transmission threads is formed in the limiting block. Through screw thread drive skewed tooth, can play the stable transmission effect like the rack, can realize the lift rotation of straight ejector pin through setting up of transmission screw thread simultaneously to can also further drive the ejector pin through the screw thread and stretch out when straight ejector pin goes up and down, thereby improve the ejecting efficiency of oblique top, compare the rack construction and can reduce the length of straight ejector pin actual need, thereby reduce the space that straight ejector pin occupy, improve at radial stability.
Preferably, the lower end of the straight ejector rod extends out of the lower end of the limiting block. The straight ejector pin can direct drive at the stopper lower extreme, and is ejecting convenient.
Preferably, the number of the inclined ejector rods is two, the two inclined ejector rods are arranged in a vertical clearance mode, the two inclined ejector rods are arranged on the same side of the straight ejector rod, and inclined teeth on the two inclined ejector rods are arranged in parallel; two ends of the two oblique ejector rods are respectively and integrally connected, and the height of the oblique teeth of the oblique ejector rod positioned on the lower side is greater than that of the oblique teeth of the oblique ejector rod positioned on the upper side. Through the parallel arrangement of the two oblique ejector rods, double locking can be formed, so that the matching stability of the oblique ejector rods and the straight ejector rods is improved; because the height that is located the oblique ejector pin of downside is great, the cooperation of downside oblique ejector pin and straight ejector pin is inseparabler, and the transmission is more reliable, when straight ejector pin spiral goes up and down, downside oblique ejector pin is prior to upside oblique ejector pin and makes the feedback, can extrude the clearance between two oblique ejector pins to make the radian that forms the incurve between two oblique ejector pins, thereby make things convenient for the slip of oblique ejector pin in slide channel more, improve efficiency and stability when pushing up to one side.
Preferably, the height difference of the inclined teeth on the two inclined ejector rods is between 0.1 and 2 millimeters. The two oblique ejector rods are ensured to have certain differential allowance while the stability of synchronous transmission of the two oblique ejector rods is ensured.
Preferably, the straight ejector rod is provided with a connecting ring protruding outwards, the transmission threads are arranged on the wall surface of the connecting ring, the transmission holes are internally provided with matching threads matched with the transmission threads, the upper end of each transmission hole is provided with a sealing ring, and the inner diameter of the sealing ring is matched with the outer diameter of the straight ejector rod. The transmission ring is provided with the transmission threads, so that the spiral lifting action of the straight ejector rod can be ensured, the interference of the straight ejector rod with the threads and the transmission hole can be prevented, and the motion reliability of the straight ejector rod can be ensured; the seal ring forms spacing, prevents that straight ejector pin from excessively moving, guarantees the reliability of oblique top mechanism.
The invention has the following beneficial effects: the ejection efficiency of the inclined ejector can be improved, the straight ejector rod and the inclined ejector rod are limited, the ejection stability of the inclined ejector can be improved, and the ejection efficiency is high; the stability of the pitched roof movement is good.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the invention.
Fig. 2 is a schematic structural view of the embodiment 1 at the time of the inclined top ejection.
Fig. 3 is a schematic view of the internal structure of the guide block in embodiment 1.
Fig. 4 is a schematic view of the structure of the angle ejector head and the angle ejector rod in the present invention.
Fig. 5 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a third embodiment of the present invention.
In the figure: the guide block 1 is provided with an inclined ejector rod 2, a straight ejector rod 3, a thread pattern 4, a first channel 5, a second channel 6, an inclined ejector head 7, a compression spring 8, a latch structure 9, a boss 10, an inclined ejector hole 11, an installation section 12, a step section 13, a thread section 14, a snap ring 15, a stop block 16, an inclined tooth 17, a transmission thread 18, a connection ring 19, a transmission hole 20, a matching thread 21 and a seal ring 22 gap 23.
Detailed Description
The invention is further illustrated with reference to the accompanying drawings and specific examples.
In the case of the example 1, the following examples are given,
as shown in fig. 1 and fig. 2, the injection mold rack inclined ejection mechanism is characterized by comprising a guide block 1 which is fixedly arranged, an inclined ejection rod 2 and a straight ejection rod 3 which are arranged in an intersecting state, wherein the inclined ejection rod 2 and the straight ejection rod 3 are provided with matching grains; the matching lines adopt insections 4 which are arranged perpendicular to the axis of the straight ejector rod 3. Be equipped with the passageway that slides of cooperation oblique ejector pin 2 and straight ejector pin 3 in the guide block 1, the passageway that slides includes the first passageway 5 of cooperation oblique ejector pin 2 and the second passageway 6 of cooperation straight ejector pin 3, and first passageway 5 and second passageway 6 are crossing to be communicated, and the tip of first passageway 5 and second passageway 6 is equipped with the transition circular arc respectively. It can be known from fig. 3 that the cross sections of first passageway 5 and second passageway 6 are the cuboid, therefore 2 and the straight ejector pin 3 of oblique ejector pin are the rectangular strip structure of complex, and the cross section of actual 2 and the straight ejector pin 3 of oblique ejector pin can also set up to fan-shaped, semi-circular or other shapes, only need remain insection 4 place plane can, this application no longer expandes the repeated description. Oblique top 7 is equipped with to one side ejector pin 2 upper end, the inside compression spring 8 that is equipped with of oblique top 7, oblique top 7 and oblique ejector pin 2 sliding connection, compression spring 8's both ends butt oblique top 7 and oblique ejector pin 2 go upward respectively, and oblique top 7 is inside to be equipped with complex latch structure 9 with the side of oblique ejector pin 2. The oblique ejector head 7 and the oblique ejector rod 2 are both provided with bosses 10 for fixing and limiting compression springs 8. Be equipped with the oblique apical pore 11 of cooperation oblique ejector pin 2 in oblique top 7, oblique ejector pin 2 includes the erection segment 12 that sets up in oblique apical pore 11 upper end, and boss 10 sets up on erection segment 12, and oblique ejector pin 2 still includes step portion 13 with 12 threaded connection of erection segment, and step portion 13 is cylindrical. The lower extreme of oblique apical pore 11 is equipped with screw thread section 14, through 14 threaded connection snap rings 15 of screw thread section, snap ring 15 is used for the terminal surface that spacing installation section 12 and step portion 13 are connected, when the equipment, pre-install compression spring 8 and installation section 12 to oblique apical pore 11 in earlier, later the screw thread is screwed into snap ring 15, threaded connection oblique ejector pin 2 and installation section 12 again, can accomplish the equipment of oblique top 7 and oblique ejector pin 2. As can be seen from the attached drawing 4, four sections of latch are arranged in the inclined top hole 11, a circle of concave clamping groove is arranged at the upper end of the mounting section 12, and the mounting section 12 is in clearance fit with the inclined top hole 11, so that the jumping fit of the latch and the clamping groove can be realized.
This application accomplishes the lifting control of oblique ejector pin 2 through the lift of straight ejector pin 3, through the setting of compression spring 8 between oblique top 7 and the oblique ejector pin 2, can realize the lifting control of oblique top 7, when ejecting the mould to one side, the shake can take place for the cooperation of latch structure 9 to can improve the ejecting efficiency of oblique top, straight ejector pin 3 and oblique ejector pin 2 are spacing each other, can improve the ejecting stability of oblique top, ejecting efficiently.
In the case of the example 2, the following examples are given,
an injection mold rack inclined ejecting mechanism is shown in fig. 5, and the difference between the embodiment 2 and the embodiment 1 is that: the inclined ejection mechanism further comprises a limiting block 16 which is fixedly arranged relative to the guide block 1, the straight ejection rod 3 is cylindrical, and the inclined ejection rod 2 is of a long strip-shaped structure with a rectangular cross section. It is also necessary to design the guide block 1 adaptively according to the shapes of the straight jack 3 and the oblique jack 2. The matched grains comprise threads on the upper section of the straight ejector rod 3 and helical teeth 17 on the oblique ejector rod 2, the lower section of the straight ejector rod 3 is provided with transmission threads 18, the straight ejector rod 3 is provided with a connecting ring 19 protruding outwards, the transmission threads 18 are arranged on the wall surface of the connecting ring 19, and the upper section of the connecting ring 19 is the upper section of the straight ejector rod 3. The limiting block 16 is internally provided with a transmission hole 20 matched with the transmission thread 18. The inside of the transmission hole 20 is provided with a matching thread 21 matching with the transmission thread 18, the upper end of the transmission hole 20 is provided with a sealing ring 22, the lower end of the transmission hole 20 is also provided with a sealing ring 22, and the inner diameter of the sealing ring 22 is matched with the diameter of the straight ejector rod 3. The lower end of the slider extends outside the lower end of the stopper 16.
Through screw thread drive skewed tooth 17, can play the stable transmission effect like the rack, can realize the lift rotation of straight ejector pin 3 through setting up of transmission screw thread 18 simultaneously to can also further drive the ejector pin through the screw thread and stretch out when straight ejector pin 3 goes up and down, thereby improve the ejecting efficiency of oblique top, compare the length that the rack structure can reduce straight ejector pin 3 actual need, thereby reduce the space that straight ejector pin 3 occupy, improve at radial stability.
In the case of the embodiment 3, the following examples,
an injection mold rack inclined ejecting mechanism is shown in fig. 6, and the difference between the embodiment 3 and the embodiment 2 is that: the number of the inclined ejector rods 2 is two, and the two inclined ejector rods 2 are arranged in a vertical gap 23 mode, namely the gap 23 is formed between the two inclined ejector rods 2. The two inclined ejector rods 2 are arranged on the same side of the straight ejector rod 3, and inclined teeth 17 on the two inclined ejector rods 2 are arranged in parallel; two ends of the two oblique ejector rods 2 are respectively and integrally connected, and the height of the oblique teeth 17 of the oblique ejector rod 2 positioned on the lower side is greater than that of the oblique teeth 17 of the oblique ejector rod 2 positioned on the upper side; the height difference of the inclined teeth 17 on the two inclined ejector rods 2 is 1 mm.
Through the parallel arrangement of the two oblique ejector rods 2, double locking can be formed, so that the matching stability of the oblique ejector rods 2 and the straight ejector rod 3 is improved; because the height that is located the oblique ejector pin 2 of downside is great, downside oblique ejector pin 2 is inseparabler with the cooperation of straight ejector pin 3, the transmission is more reliable, when straight ejector pin 3 spiral goes up and down, downside oblique ejector pin 2 makes the feedback earlier than upside oblique ejector pin 2, can extrude the clearance 23 between two oblique ejector pins 2, thereby make the radian of inturn formation between two oblique ejector pins 2, thereby make things convenient for the slip of oblique ejector pin 2 in sliding channel more, efficiency and stability when the top of the slope is ejecting improve.
Claims (6)
1. An injection mold rack inclined ejection mechanism is characterized by comprising a guide block which is fixedly arranged, an inclined ejection rod and a straight ejection rod which are arranged in an intersecting state, wherein the inclined ejection rod and the straight ejection rod are provided with matching grains; the inclined ejector mechanism also comprises a limiting block which is relatively fixedly arranged with the guide block, matched lines comprise threads at the upper section of the straight ejector rod and inclined teeth on the inclined ejector rod, transmission threads are arranged at the lower section of the straight ejector rod, transmission holes matched with the transmission threads are arranged in the limiting block, the two inclined ejector rods are arranged at the upper and lower gaps of the two inclined ejector rods, the two inclined ejector rods are arranged at the same side of the straight ejector rod, and the inclined teeth on the two inclined ejector rods are arranged in parallel; two ends of the two oblique ejector rods are respectively and integrally connected, and the height of the oblique teeth of the oblique ejector rod positioned on the lower side is greater than that of the oblique teeth of the oblique ejector rod positioned on the upper side.
2. The injection mold rack lifter mechanism according to claim 1, wherein the mating pattern is a tooth pattern arranged perpendicular to an axis of the straight ejector rod.
3. The injection mold rack lifter mechanism according to claim 1, wherein the sliding channel comprises a first channel for matching with the lifter and a second channel for matching with the straight lifter, the first channel and the second channel are communicated with each other in an intersecting manner, and the end parts of the first channel and the second channel are respectively provided with a transition arc.
4. The injection mold rack lifter mechanism according to claim 1, wherein a lower end of the straight ejector rod extends outside a lower end of the stopper.
5. The injection mold rack lifter mechanism of claim 1 wherein the difference in height between the helical teeth on the two lifter bars is between 0.1 and 2 mm.
6. The injection mold rack lifter mechanism according to claim 1 or 4, wherein the straight ejector rod is provided with a connecting ring protruding outwards, the transmission thread is arranged on the wall surface of the connecting ring, the transmission hole is internally provided with a matching thread matching with the transmission thread, the upper end of the transmission hole is provided with a sealing ring, and the inner diameter of the sealing ring is matched with the outer diameter of the straight ejector rod.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110880542.2A CN113635524B (en) | 2021-08-02 | 2021-08-02 | Injection mold rack pushes up mechanism to one side |
| PCT/CN2021/133313 WO2023010720A1 (en) | 2021-08-02 | 2021-11-26 | Rack angle lifter mechanism for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110880542.2A CN113635524B (en) | 2021-08-02 | 2021-08-02 | Injection mold rack pushes up mechanism to one side |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113635524A CN113635524A (en) | 2021-11-12 |
| CN113635524B true CN113635524B (en) | 2022-10-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110880542.2A Active CN113635524B (en) | 2021-08-02 | 2021-08-02 | Injection mold rack pushes up mechanism to one side |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113635524B (en) |
| WO (1) | WO2023010720A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635524B (en) * | 2021-08-02 | 2022-10-25 | 浙江凯华模具有限公司 | Injection mold rack pushes up mechanism to one side |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859107A (en) * | 2015-05-04 | 2015-08-26 | 宁波双林模具有限公司 | Rack inclined ejection core pulling demolding device of injection mold |
| CN205439120U (en) * | 2016-03-15 | 2016-08-10 | 牟维军 | Demoulding structure mould of goods inside wall and lateral wall area circular arc |
| CN210082329U (en) * | 2019-06-11 | 2020-02-18 | 佛山市钜宏塑料制品有限公司 | Ejection mechanism of plastic injection mold |
| CN111873491A (en) * | 2020-07-14 | 2020-11-03 | 许令建 | Mold for glass fiber reinforced plastic and preparation method of glass fiber reinforced plastic |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7435079B2 (en) * | 2006-04-18 | 2008-10-14 | Cheng Uei Precision Industry Co., Ltd. | Angular ejector mechanism and injection mold with the same |
| ES2542024B1 (en) * | 2014-01-28 | 2016-05-12 | Comercial de Útiles y Moldes, S.A. | Parts demoulding device |
| CN106903846B (en) * | 2017-04-28 | 2019-04-09 | 重庆长安汽车股份有限公司 | A kind of vehicle door interior trim panel and its injection mold |
| WO2020174615A1 (en) * | 2019-02-27 | 2020-09-03 | 株式会社テクノクラーツ | Undercut processing mechanism, molding die, and molded article |
| CN113635524B (en) * | 2021-08-02 | 2022-10-25 | 浙江凯华模具有限公司 | Injection mold rack pushes up mechanism to one side |
-
2021
- 2021-08-02 CN CN202110880542.2A patent/CN113635524B/en active Active
- 2021-11-26 WO PCT/CN2021/133313 patent/WO2023010720A1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859107A (en) * | 2015-05-04 | 2015-08-26 | 宁波双林模具有限公司 | Rack inclined ejection core pulling demolding device of injection mold |
| CN205439120U (en) * | 2016-03-15 | 2016-08-10 | 牟维军 | Demoulding structure mould of goods inside wall and lateral wall area circular arc |
| CN210082329U (en) * | 2019-06-11 | 2020-02-18 | 佛山市钜宏塑料制品有限公司 | Ejection mechanism of plastic injection mold |
| CN111873491A (en) * | 2020-07-14 | 2020-11-03 | 许令建 | Mold for glass fiber reinforced plastic and preparation method of glass fiber reinforced plastic |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023010720A1 (en) | 2023-02-09 |
| CN113635524A (en) | 2021-11-12 |
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