CN111152416A - a mold - Google Patents
a mold Download PDFInfo
- Publication number
- CN111152416A CN111152416A CN202010122868.4A CN202010122868A CN111152416A CN 111152416 A CN111152416 A CN 111152416A CN 202010122868 A CN202010122868 A CN 202010122868A CN 111152416 A CN111152416 A CN 111152416A
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- Prior art keywords
- block
- lifter
- top block
- ejector
- mold
- Prior art date
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- 238000001746 injection moulding Methods 0.000 claims abstract description 17
- 239000003292 glue Substances 0.000 claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000005484 gravity Effects 0.000 abstract description 23
- 239000000243 solution Substances 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 description 21
- 210000000988 bone and bone Anatomy 0.000 description 12
- 238000009434 installation Methods 0.000 description 12
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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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
- B29C45/2602—Mould construction elements
-
- 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
-
- 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
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
本发明涉及模具设备技术领域，特别涉及一种模具。模具包括基板、后模芯、斜顶块和直顶块。本发明技术方案通过在后模芯上开设第一斜面，而斜顶块设置在后模芯上，由于后模芯与斜顶块之间通过第一斜面滑动连接，且在基板上开设第一通槽，第一通槽内放置直顶块，直顶块可相对于基板上下运动。除此之外，在直顶块上开设限位缺口，限位缺口形成胶位面，注塑完成后，当给斜顶块一个向上(即远离重力方向)的推力后，斜顶块沿第一斜面且相对于重力方向斜向上运动，此时，斜顶块斜向上运动，使得产品与斜顶块的表面慢慢脱离，直顶块相对于斜顶块固定不动，且位于胶位面的产品紧贴直顶块，防止产品跟随斜顶块斜向上运动。
The invention relates to the technical field of mold equipment, in particular to a mold. The mold includes a base plate, a back mold core, a sloping top block and a straight top block. In the technical solution of the present invention, a first inclined plane is formed on the rear mold core, and the inclined top block is arranged on the rear mold core. Since the rear mold core and the inclined top block are slidably connected by the first inclined plane, and a first inclined plane is formed on the base plate A through groove, a straight top block is placed in the first through groove, and the straight top block can move up and down relative to the base plate. In addition, a limit gap is set on the straight top block, and the limit gap forms the glue surface. After the injection molding is completed, when the inclined top block is given an upward thrust (that is, away from the direction of gravity), the inclined top block will move along the first The inclined plane moves obliquely upward relative to the direction of gravity. At this time, the inclined top block moves obliquely upward, so that the product is gradually separated from the surface of the inclined top block. The straight top block is fixed relative to the inclined top block and is located on the surface of the glue level The product is close to the straight top block to prevent the product from moving up obliquely with the inclined top block.
Description
Technical Field
The invention relates to the technical field of die equipment, in particular to a die.
Background
The plastic product is internally provided with structures such as an inverted buckle, a buckling position and the like, when the plastic product is ejected out and demoulded, an inclined ejection structure can be adopted for demoulding, the inclined ejection design is relatively simple in process, and the cost is lower. The inclined top is pushed forward along a certain angle, and after a certain stroke, the position of the buckling position is separated from the contact of the inner side of the plastic, so that the product can be taken out smoothly. However, after the product is injection-molded, a holding force exists between the product and the pitched roof, and when the product is demolded, the product moves along with the pitched roof, so that the phenomenon of sticking the pitched roof occurs, and the product is not easy to demold.
Disclosure of Invention
The invention mainly aims to provide a die, and aims to solve the technical problems that a holding force exists between a product and an inclined top, the product moves along with the inclined top during die release, the inclined top is stuck, and the die release is not easy to occur.
In order to achieve the above object, the present invention provides a mold, including:
the substrate is provided with a first through groove penetrating through the substrate;
the rear mold core is provided with a first inclined plane;
the inclined ejecting block is arranged on the rear mold core, and one side of the inclined ejecting block is in sliding connection with the first inclined surface;
the straight ejector block is arranged in the first through groove and extends to the outside of the substrate, the straight ejector block is abutted against the inclined ejector block, and a limiting notch is arranged on one side, away from the first inclined plane, of the straight ejector block and forms a glue position surface;
after the injection molding is finished, when the inclined ejecting block moves along the first inclined plane, the glue position surface is used for preventing a product at the position of the limit notch from moving upwards along with the inclined ejecting block.
Preferably, the cross section of the limiting notch is of a Z-shaped structure.
Preferably, the mold further comprises a base plate and a lifting assembly, the lifting assembly comprising:
a plurality of guide sleeves;
the first ends of the pitched roof link rods penetrate through the substrate and are connected with the pitched roof block, the second ends of the pitched roof link rods are connected with the bottom plate, and at least one guide sleeve is sleeved on each pitched roof link rod;
when the bottom plate moves towards the base plate, the pitched roof link rod jacks up the pitched roof block along the guide sleeve.
Preferably, one side of the base plate facing the bottom plate is provided with a guide groove, and the lifting assembly further comprises:
the guide block is arranged in the guide groove, the pitched roof connecting rod penetrates through the guide block and the base plate and is connected to the pitched roof block, and the second end of the pitched roof connecting rod is hinged to the base plate relatively.
Preferably, the pitched roof link is disposed in an inclined manner, and the lifting assembly further includes:
the ejector plate is arranged on the bottom plate and positioned between the substrate and the bottom plate, and a sliding groove is formed in the ejector plate;
the sliding block is arranged in the sliding groove in a sliding mode, and the second end of the pitched roof connecting rod penetrates through the sliding block and is hinged to the bottom plate;
the first end of the straight ejector rod penetrates through the substrate and is connected with the straight ejector block, and the second end of the straight ejector rod is connected with the ejector plate;
when the ejector plate moves relative to the base plate, the second end of the inclined ejector connecting rod drives the sliding block to move relatively, the first end of the inclined ejector connecting rod ejects the inclined ejector block along the guide sleeve, the straight ejector rod ejects the straight ejector block, and the upward displacement of the straight ejector block is smaller than the upward displacement of the inclined ejector block.
The straight ejector block is provided with an installation bulge on one side facing the bottom plate, the installation bulge is provided with a connecting hole, and the first end of the straight ejector rod is inserted into the connecting hole.
Set up in the installation arch and run through the bellied first pinhole of installation, first pinhole with the connecting hole intercommunication, the first end of straight ejector pin is seted up and is run through the second pinhole of straight ejector pin, lifting unit still includes:
and the first end of the straight ejector rod is inserted into the connecting hole, the first pin hole is communicated with the second pin hole, and the bolt is arranged in the first pin hole and the second pin hole.
The lifting assembly further comprises:
the first end of the auxiliary rod is hinged with the guide block, the second end of the auxiliary rod penetrates through the sliding block and is hinged on the bottom plate, and the inclination angle of the auxiliary rod is consistent with that of the pitched roof connecting rod.
Preferably, first inclined plane is provided with first spacing groove, the mould still includes:
the first ejection assembly penetrates through the inclined ejection block and is abutted against the first inclined surface, one end, close to the first inclined surface, of the first ejection assembly is arranged in the first limiting groove, and the first limiting groove is used for blocking the first ejection assembly from moving towards the first direction;
when the inclined ejecting block moves on the first inclined surface along a first direction, the first ejecting assembly is separated from the first limiting groove and moves horizontally in a second direction far away from the first inclined surface, wherein the first direction is perpendicular to the second direction.
Preferably, first inclined plane is provided with the second spacing groove, first die cavity has been seted up to the kicking block one side of keeping away from first inclined plane to one side, the mould still includes:
the second ejection assembly penetrates through the inclined ejection block, one end, close to the rear mold core, of the second ejection assembly is arranged in the second limiting groove, a second mold cavity is formed in one side, away from the first inclined surface, of the second ejection assembly, and the first mold cavity and the second mold cavity are matched to form a rib position mold cavity;
after the injection molding is finished, when the inclined ejecting block moves along a first direction on the first inclined surface, and the second ejecting assembly is abutted to the first inclined surface, the second ejecting assembly horizontally moves towards a second direction far away from the first inclined surface, and a product in the rib position cavity is ejected away from the inclined ejecting block, wherein the first direction is vertical to the second direction.
According to the technical scheme, the rear mold core is provided with the first inclined surface, the inclined ejecting block is arranged on the rear mold core, the rear mold core is connected with the inclined ejecting block in a sliding mode through the first inclined surface, the base plate is provided with the first through groove, the straight ejecting block is placed in the first through groove, and the straight ejecting block can move up and down relative to the base plate. Besides, set up spacing breach on straight kicking block, spacing breach forms glues the position face, the back is accomplished in moulding plastics, after giving oblique kicking block a thrust that makes progress (keeping away from the direction of gravity promptly), the kicking block is along first inclined plane and for the upward movement to one side of direction of gravity, at this moment, the upward movement to one side of kicking block for the product slowly breaks away from with the surface of oblique kicking block, straight kicking block is for oblique kicking block rigid, and the product that is located to glue the position face hugs closely straight kicking block, prevent that the product from following oblique kicking block upward movement to one side.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of a mold according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at N1;
FIG. 3 is an enlarged view of a portion of FIG. 1 at N2;
FIG. 4 is a schematic structural diagram of a straight ejector block according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of another embodiment of the mold of the present invention;
FIG. 6 is a schematic structural view of a lifting assembly according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a mold according to yet another embodiment of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7 at N3;
FIG. 9 is a schematic structural diagram of a first pushing rod of the mold according to an embodiment of the invention;
FIG. 10 is a schematic structural view of a mold according to yet another embodiment of the present invention;
FIG. 11 is an enlarged view of a portion of FIG. 10 at N4;
fig. 12 is a schematic structural view of a second ejection assembly of the mold according to an embodiment of the invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The present invention proposes a mold 100.
As shown in fig. 1 to 5, a mold 100 for injection molding onto a functional part of an automobile, the mold 100 includes: a substrate 10, wherein a first through groove (not shown) penetrating through the substrate 10 is disposed on the substrate 10; the rear mold core 20, a first inclined plane A is arranged on the rear mold core 20; the inclined ejecting block 30 is arranged on the rear mold core 20, and one side of the inclined ejecting block 30 is in sliding connection with the first inclined surface A; the straight ejecting block 40 is arranged in the first through groove and extends to the outside of the substrate 10, the straight ejecting block 40 is abutted against the inclined ejecting block 30, and a limiting notch is formed in one side, far away from the first inclined surface A, of the straight ejecting block 40 and forms an inclined surface B;
after the injection molding is finished, when the inclined ejecting block 30 moves along the first inclined surface A, the glue position surface B is used for preventing a product at the position of the limiting notch from moving upwards along with the inclined ejecting block 30.
It can be understood that the automobile functional part of the invention can be a product such as a shell of an automobile air conditioner, and the product contains curved surfaces, ribs, deep bone positions and the like, and is not limited herein.
In this embodiment, the first direction is taken as the gravity direction, and the second direction is taken as the horizontal direction for explanation; the inclined ejecting block 30, the straight ejecting block 40 and the rear mold core 20 form a part of the injection mold 100, wherein corresponding mold grooves are formed in the surfaces of the inclined ejecting block 30, the straight ejecting block 40 and the rear mold core 20, a mold closing member (not shown) is further required in the complete injection mold 100, the mold grooves are also formed in the surface of the mold closing member, and the mold closing member is covered on the inclined ejecting block 30 and the rear mold core 20, so that the mold grooves in the surfaces of the inclined ejecting block 30, the straight ejecting block 40 and the rear mold core 20 and the mold grooves in the mold closing member are matched to form a complete injection molding cavity. After injecting the liquid of moulding plastics that has powerful pressure, the liquid of moulding plastics fills all injection mold cavities, treats to cool off the back, opens the cover half fixed plate and carries out the drawing of patterns operation, because there is the power of embracing tightly between product and the oblique top, when the drawing of patterns, the product follows the motion of oblique top, leads to appearing gluing the oblique top phenomenon, is difficult for the drawing of patterns.
In view of this, the present invention provides a first inclined plane a on the rear mold core 20, and the slanted ejecting block 30 is disposed on the rear mold core 20, since the rear mold core 20 and the slanted ejecting block 30 are slidably connected through the first inclined plane a, and a first through groove is formed on the substrate 10, and the straight ejecting block 40 is disposed in the first through groove, and the straight ejecting block 40 can move up and down relative to the substrate 10. Besides, a limiting notch is formed in the straight ejector block 40, a locating surface B is formed in the limiting notch, and after injection molding is completed, injection molded products are attached to the surfaces of the inclined ejector block 30, the straight ejector block 40 and the rear mold core 20, so that after upward thrust (namely, far away from the gravity direction) is given to the inclined ejector block 30, the inclined ejector block 30 moves obliquely upward along the first inclined surface A and relative to the gravity direction, at the moment, the inclined ejector block 30 moves obliquely upward to enable the product to be slowly separated from the surface of the inclined ejector block 30, at the moment, the straight ejector block 40 is fixed relative to the inclined ejector block 30, the product located on the locating surface B is tightly attached to the straight ejector block 40, and the product is prevented from moving obliquely upward along with the inclined ejector block 30.
It can be understood that the glue site surface B is disposed at an angle with respect to the first inclined surface a, and the angle may be an acute angle, which is not limited herein.
Specifically, the cross section of the limiting notch is of a Z-shaped structure. In this embodiment, referring to fig. 4, a cross section may be formed, the cross section is perpendicular to the cross section of the straight ejecting block 40 in the length direction, the straight ejecting block 40 is cut, and the cross section formed after cutting is in a Z-shaped structure, so that the contact area between the glue level surface B and the product is increased, and the effect of the straight ejecting block 40 on blocking the product from moving obliquely upward is further improved.
Specifically, the mold 100 further includes a bottom plate 50 and a lifting assembly 60, wherein the lifting assembly 60 includes: a plurality of guide sleeves 61; a plurality of pitched roof link rods 62, wherein the first ends of the pitched roof link rods 62 penetrate through the substrate 10 and are connected with the pitched roof block 30, the second ends of the pitched roof link rods 62 are connected with the bottom plate 50, and at least one guide sleeve 61 is sleeved on the pitched roof link rods 62; when the bottom plate 50 moves towards the base plate 10, the pitched roof link 62 jacks up the pitched roof block 30 along the guide sleeve 61. In this embodiment, the mold 100 further includes a bottom plate 50 and a lifting assembly 60, wherein, as shown in fig. 6, the lifting assembly 60 mainly includes a guide sleeve 61 and an inclined top link 62. The first end of the pitched roof link rod 62 penetrates through the substrate 10 and is connected with the pitched roof block 30, the second end of the pitched roof link rod 62 is connected with the bottom plate 50, and at least one guide sleeve 61 is sleeved on the pitched roof link rod 62. In the structure shown in fig. 6, when the bottom plate 50 moves upward toward the substrate 10 during mold release, the lifter link 62 lifts the lifter block 30 along the guide sleeve 61, and when the gravity of the lifter block 30 is as high as several hundred jin, the force received by the lifter link 62 is large, so that the lifter link 62 is easily bent, and the guide sleeve 61 serves as a sliding channel of the lifter link 62, thereby preventing the lifter link 62 from directly contacting the substrate 10 and preventing the lifter block 30 from being broken by force during lifting.
Specifically, a guide groove (not shown) is disposed on a side of the substrate 10 facing the bottom plate 50, and the lifting assembly 60 further includes: the guide block 63 is disposed in the guide groove, the pitched roof link 62 penetrates through the guide block 63 and the base plate 10 and is connected to the pitched roof block 30, and a second end of the pitched roof link 62 is hinged to the bottom plate 50. In this embodiment, a guide groove may be provided on a side of the substrate 10 facing the base plate 50, and the guide block 63 may be placed in the guide groove. During demolding, the guide block 63 assists the inclined top link 62 to be lifted upwards, and the inclined top link 62 is prevented from being stuck with the base plate 10. Optionally, the guide block 63 may be made of a wear-resistant material, and after the mold 100 is used for multiple times, the time for the guide block 63 to be in frictional contact with the pitched roof link 62 is long, so that the substrate 10 can be effectively prevented from being directly damaged by friction with the pitched roof link 62, and after the guide block 63 is damaged by friction, only the guide block 63 needs to be replaced, the entire substrate 10 does not need to be replaced, and the maintenance cost of the mold 100 is reduced.
Specifically, the pitched roof link 62 is obliquely arranged, and the lifting assembly 60 further includes: the ejector plate 64 is arranged on the bottom plate 50 and positioned between the base plate 10 and the bottom plate 50, and a chute C is arranged on the ejector plate 64; the sliding block 65 is arranged in the sliding groove C in a sliding manner, and the second end of the pitched roof link 62 penetrates through the sliding block 65 and is hinged to the bottom plate 50; a first end of the straight ejector rod 67 penetrates through the base plate 10 and is connected with the straight ejector block 40, and a second end of the straight ejector rod 67 is connected with the ejector plate 64; when the ejector plate 64 moves relative to the base plate 10, the second end of the inclined ejector link 62 drives the sliding block 65 to perform relative displacement, the first end of the inclined ejector link 62 ejects the inclined ejector block 30 along the guide sleeve 61, the straight ejector rod 67 ejects the straight ejector block 40, and the upward displacement of the straight ejector block 40 is smaller than the upward displacement of the inclined ejector block 30. In this embodiment, the inclined ejector link 62 is disposed obliquely, an ejector plate 64 may be disposed on the bottom plate 50, a chute C is disposed on the ejector plate 64, a sliding block 65 is disposed in the chute C and slidably connected to a chute wall of the chute C, a sliding direction of the sliding block 65 forms an angle with an oblique direction of the inclined ejector link 62, a second end of the inclined ejector link 62 penetrates through the sliding block 65 and is hinged to the bottom plate 50, a straight ejector rod 67 is disposed between the ejector plate 64 and the straight ejector block 40, when the ejector plate 64 moves relative to the substrate 10, the second end of the inclined ejector link 62 drives the sliding block 65 to relatively displace, the straight ejector block 40 synchronously pushes up the straight ejector block 40 along with the displacement of the ejector plate 64, during the upward movement of the ejector plate 64, the inclined ejector link 62 adjusts an angle perpendicular to the bottom plate 50, a first end of the inclined ejector link 62 pushes up the inclined ejector block 30 along the guide sleeve 61, so that the upward displacement of the inclined ejector block 30 is greater than the upward displacement of the straight ejector block 40, therefore, the straight ejector block 40 is stationary with respect to the slanted ejector block 30, and the product is prevented from moving obliquely upward following the slanted ejector block 30 while achieving mold release.
Specifically, one side of the straight ejector block 40 facing the bottom plate 50 is provided with an installation protrusion 41, the installation protrusion 41 is provided with a connection hole (not shown), and a first end of the straight ejector rod 67 is inserted into the connection hole. In this embodiment, for the convenience of installing straight ejector pin 67 and straight kicking block 40, can set up installation arch 41 in one side of straight kicking block 40 towards bottom plate 50, set up the connecting hole on the installation arch 41, the connecting hole forms detachable grafting structure with the cooperation of straight ejector pin 67, can interference fit between connecting hole and the straight ejector pin 67, improves the stability of straight ejector pin 67 and the installation of straight kicking block 40.
Specifically, a first pin hole H penetrating through the mounting protrusion 41 is formed in the mounting protrusion 41, the first pin hole H is communicated with the connecting hole, a second pin hole (not shown) penetrating through the straight ejector rod 67 is formed at a first end of the straight ejector rod 67, and the lifting assembly 60 further includes: the first end of the straight ejector rod 67 is inserted into the connecting hole, the first pin hole H is communicated with the second pin hole, and the plug pin is arranged in the first pin hole H and the second pin hole. In this embodiment, in order to further improve the installation stability of the straight ejector rod 67 and the straight ejector block 40, a first pin hole H may be formed in the installation protrusion 41, a second pin hole may be formed in the straight ejector rod 67, after the first end of the straight ejector rod 67 is inserted into the connecting hole, the first pin hole H is communicated with the second pin hole, and the plug pin is disposed in the first pin hole H and the second pin hole to fix the straight ejector rod 67 and the straight ejector block 40.
Specifically, the lifting assembly 60 further includes: and an auxiliary rod 66, wherein a first end of the auxiliary rod 66 is hinged with the guide block 63, a second end of the auxiliary rod 66 penetrates through the sliding block 65 and is hinged on the bottom plate 50, and the inclination angle of the auxiliary rod 66 is consistent with that of the pitched roof link 62. In this embodiment, in order to prevent the pitched roof link 62 from being broken, the lifting assembly 60 further includes an auxiliary rod 66, a first end of the auxiliary rod 66 is hinged to the guide block 63, a second end of the auxiliary rod 66 penetrates through the sliding block 65 and is hinged to the bottom plate 50, the inclination angle of the auxiliary rod 66 is consistent with the inclination angle of the pitched roof link 62, and along with the displacement of the sliding block 65, the second end of the pitched roof link 62 rotates to enable the pitched roof link 62 to obliquely and upwardly support the pitched roof block 30, so as to prevent the two ends of the pitched roof link 62 from being locked by stress and even broken, in addition, the pitched roof block 30 can be upwardly jacked for demolding, and meanwhile, the pitched roof block 30 is jacked for demolding leftwards or rightwards, so that the pitched roof block 30 is jacked for demolding from two directions in the whole demolding process, and the demolding efficiency is higher.
Referring to fig. 7 to 9, specifically, the first inclined plane a is provided with a first limiting groove D1, and the mold 100 further includes: the first ejection assembly 70 penetrates through the slanted ejecting block 30 and abuts against the first inclined surface a, one end of the first ejection assembly 70 close to the first inclined surface a is disposed in the first limiting groove D1, and the first limiting groove D1 is used for blocking the first ejection assembly 70 from moving in the first direction; when the slanted ejecting block 30 moves along the first direction on the first inclined plane a, the first ejecting assembly 70 is separated from the first limiting groove D1, and moves horizontally in a second direction away from the first inclined plane a, wherein the first direction is perpendicular to the second direction. In this embodiment, in order to further improve the demolding effect, the first ejection assembly 70 may be horizontally disposed inside the slanted ejecting block 30, and the first ejection assembly 70 may horizontally slide relative to the slanted ejecting block 30, wherein the first ejection assembly 70 penetrates through the slanted ejecting block 30 and abuts against the first inclined surface a, and one end of the first ejection assembly 70 close to the first inclined surface a is disposed in the first limiting groove D1. After an upward thrust is given to the inclined ejecting block 30 (i.e. the thrust is far away from the gravity direction), the inclined ejecting block 30 moves obliquely upward along the first inclined plane a and relative to the gravity direction, at this time, because the first ejecting component 70 penetrating through the inclined ejecting block 30 is horizontally arranged inside the inclined ejecting block 30, at this time, the first ejecting component 70 moves horizontally in the direction far away from the first inclined plane a until the first ejecting component 70 is separated from the first limiting groove D1 and is in sliding connection with the first inclined plane a, the first ejecting component 70 is pushed out in the direction far away from the first inclined plane a, one end of the first ejecting component 70 far away from the first inclined plane a slowly pushes the injection molding product coated on the surface of the inclined ejecting block 30 away from the inclined ejecting block 30, and pushes the product away from the glue level surface B and the surface of the inclined ejecting block 30, so as to realize rapid demolding of the injection molding product.
Specifically, what the oblique ejecting block 30 was provided with first ejecting groove E, connect the through hole and the second ejecting groove that communicate in proper order, first ejecting groove E connect the through hole with the ejecting groove of second forms the passageway and runs through oblique ejecting block 30, just the length direction of passageway with first direction is unanimous, first ejecting subassembly 70 includes: the first push rod 71 is slidably arranged in the first ejection groove E, one end of the first push rod 71 close to the first inclined surface a is arranged in the first limiting groove D1, and one end of the first push rod 71 far from the first inclined surface a penetrates through the connecting through hole and extends into the second ejection groove; the elastic block 72 is arranged in the second ejection groove in a sliding manner, and one end, facing the first inclined plane a, of the elastic block 72 is fixedly connected with the first push rod 71; the first elastic piece 73 is arranged on one side, away from the first inclined plane a, of the elastic block 72, and the first elastic piece 73 is located between one side, away from the first inclined plane a, of the elastic block 72 and the bottom of the first ejection groove E.
In order to facilitate the first ejection assembly 70 to move horizontally when the slanted ejecting block 30 moves obliquely, in this embodiment, a first ejection slot E, a connection through hole and a second ejection slot may be horizontally formed in the slanted ejecting block 30, and the first ejection slot E, the connection through hole and the second ejection slot are sequentially communicated with each other, and a channel is formed by the first ejection slot E, the connection through hole and the second ejection slot and penetrates through the slanted ejecting block 30. The first ejection assembly 70 mainly includes a first push rod 71 and an elastic block 72, wherein the first push rod 71 is slidably disposed in the first ejection slot E, an end of the first push rod 71 close to the first inclined plane a is disposed in the limiting groove, an end of the first push rod 71 far from the first inclined plane a passes through the connecting through hole and extends into the second ejection slot, the elastic block 72 is slidably disposed in the second ejection slot, an end of the elastic block 72 facing the first inclined plane a is fixedly connected to the first push rod 71, a first elastic member 73 is sleeved on the connecting portion 712 of the first push rod 71, and it can be understood that the first elastic member 73 may be a spring. When the inclined ejecting block 30 moves obliquely upward along the first inclined plane a and relative to the gravity direction, one end of the first push rod 71 close to the first inclined plane a continuously slides upward until the first push rod 71 pushes away from the first limiting groove D1 and is in sliding connection with the first inclined plane a, along with the increase of the oblique upward displacement, the first push rod 71 is continuously pushed out horizontally in the direction of the elastic block 72, the first elastic member 73 is compressed by force, the elastic block 72 is continuously pushed by the first push rod 71, so that one end of the elastic block 72 far away from the first inclined plane a continuously pushes the injection molding product on the surface of the inclined ejecting block 30 away from the surface of the inclined ejecting block 30 and the glue level surface B, so as to realize demolding, after demolding, the inclined ejecting block 30 resets, the first elastic member 73 restores elasticity, and resets the first push rod 71.
As an alternative embodiment, the first push rod 71 includes an abutting portion 711 and a connecting portion 712, the abutting portion 711 is disposed in the first limiting groove D1, one end of the connecting portion 712 away from the first inclined plane a is fixedly connected to the elastic block 72, the first elastic member 73 is sleeved on the connecting portion 712, and the first elastic member 73 is located between the abutting portion 711 and the groove bottom of the first ejecting groove E. After the spring recovers the elastic force, the first push rod 71 is quickly pushed to the groove wall of the first limit groove D1, and the abutting part 711 abuts against the groove wall of the first limit groove D1.
Specifically, first inclined plane a is provided with second spacing groove D2, first die cavity has been seted up to the kicking block 30 one side of keeping away from first inclined plane a, mould 100 still includes: the second ejection assembly 80 penetrates through the inclined ejection block 30, one end, close to the rear mold core 20, of the second ejection assembly 80 is arranged in the second limiting groove D2, a second mold cavity is formed in one side, away from the first inclined surface A, of the second ejection assembly 80, and the first mold cavity and the second mold cavity are matched to form a rib position mold cavity F; after the injection molding is completed, when the inclined ejecting block 30 moves along a first direction on the first inclined surface a and the second ejecting assembly 80 abuts against the first inclined surface a, the second ejecting assembly 80 moves horizontally in a second direction far away from the first inclined surface a, and a product in the rib position cavity F is ejected from the inclined ejecting block 30, wherein the first direction is perpendicular to the second direction. Referring to fig. 10 to 12, in the present embodiment, since the product itself has ribs or deep bone positions, when the product is taken out after the injection molding is completed, the overall size of the ribs or deep bone positions is smaller, and the ribs or deep bone positions are easily torn off during the taking out, which results in the damage of the product structure.
Because the rear mold core 20 is slidably connected with the inclined ejecting block 30 through the first inclined surface a, a first mold cavity (not shown) is formed in one side, away from the first inclined surface a, of the inclined ejecting block 30, a second ejecting component 80 penetrating through the inclined ejecting block 30 is horizontally arranged inside the inclined ejecting block 30, a second mold cavity (not shown) is formed in one side, away from the first inclined surface a, of the second ejecting component 80, and the first mold cavity and the second mold cavity are matched to form a rib position mold cavity F. After the injection molding is finished, the surfaces of the inclined ejecting block 30 and the rear mold core 20 are attached with injection molding products, and ribs or deep bone positions are also formed in the rib position cavities F. Therefore, after an upward pushing force is applied to the slanted ejecting block 30 (i.e. away from the direction of gravity), the slanted ejecting block 30 moves obliquely upward along the first inclined plane a and relative to the direction of gravity, at this time, because the slanted ejecting block 30 is horizontally provided with the second ejecting assembly 80 penetrating through the slanted ejecting block 30, at this time, the second ejecting assembly 80 moves horizontally in the direction away from the first inclined plane a, during this process, the slanted ejecting block 30 is ejected upward relative to gravity to eject the injection molded product from the surface of the rear mold core 20, meanwhile, one end of the second ejecting assembly 80 close to the first inclined plane a is separated from the second spacing groove D2 and is abutted against the first inclined plane a, the second ejecting assembly 80 is ejected in the direction away from the first inclined plane a, one end of the second ejecting assembly 80 far from the first inclined plane a extends out of the slanted ejecting block 30, and the rib or deep rib in the rib position cavity F moves gradually toward the outside of the slanted ejecting block 30 along with the cavity bottom of the second mold cavity, the end of the second ejection assembly 80, which is far away from the first inclined plane a, can slowly push the rib or deep bone position in the rib position cavity F away from the rib position cavity F, so that the injection product coated on the surface of the inclined ejection block 30 is ejected away from the inclined ejection block 30, thereby realizing the demolding of the injection product, avoiding the rib position or the deep bone position from being torn off, and protecting the integrity of the product structure.
After the above operations are completed, when the inclined ejecting block 30 moves obliquely downward along the first inclined plane a and relative to the gravity direction, the second ejecting assembly 80 is reset, and one end of the second ejecting assembly 80 close to the rear mold core 20 is disposed in the second limiting groove D2 again.
Specifically, the slanted ejecting block 30 is provided with a first pushing groove (not shown) and at least one second pushing groove (not shown), the second pushing grooves are all communicated with the first pushing groove, a channel formed by the first pushing groove and the second pushing groove penetrates through the slanted ejecting block 30, the first mold cavity is located on a groove wall of the second pushing groove, and the second ejecting assembly 80 includes: the auxiliary push rod mechanism 81 is arranged in the first push groove in a sliding manner, and one end, far away from the second push groove, of the auxiliary push rod mechanism 81 is arranged in the second limiting groove D2; at least one ejector block 82, ejector block 82 with the second pushes away the correspondence of groove quantity, ejector block 82 slide set up in the second pushes away the inslot, ejector block 82 towards first inclined plane A's one end with supplementary push rod mechanism 81 can dismantle the connection, be provided with on the ejector block 82 the second die cavity. In this embodiment, in order to facilitate the horizontal movement of the second ejection assembly 80 during the oblique displacement of the oblique ejection block 30, in this embodiment, a first push slot and at least one second push slot may be horizontally formed in the oblique ejection block 30, the number of the second push slots may be correspondingly formed according to the number of the ribs of the product, the first push slot and the second push slot are located in the second direction, and each second push slot is communicated with the first push slot, so that a channel formed by the first push slot and the second push slot penetrates through the oblique ejection block 30. Wherein, second ejection assembly 80 mainly includes auxiliary push rod mechanism 81 and an at least kicking block 82, the quantity of kicking block 82 is with the quantity one-to-one that the second pushed away the groove, the second die cavity has been seted up on every kicking block 82, auxiliary push rod mechanism 81 slides and sets up in first pushing away the inslot, auxiliary push rod mechanism 81 keeps away from the second and pushes away the one end in groove and first inclined plane A butt, and kicking block 82 corresponds the sliding setting and pushes away the inslot at the second, kicking block 82 can dismantle with auxiliary push rod mechanism 81 towards the one end of first inclined plane A and be connected. When oblique kicking block 30 is along first inclined plane A and for the upward movement of gravity direction slant, just second ejection subassembly 80 with during first inclined plane A butt, the one end that auxiliary push rod mechanism 81 is close to first inclined plane A breaks away from second spacing groove D2 to the continuous upwards slip, with first inclined plane A sliding connection, along with the increase of the oblique displacement volume that makes progress, auxiliary push rod mechanism 81 is constantly released toward the direction level of kicking block 82, kicking block 82 constantly receives the thrust of auxiliary push rod mechanism 81, make kicking block 82 keep away from the continuous rib or the dark position of bone that push away from in the rib position die cavity F of one end of first inclined plane A, realize the drawing of patterns of rib or dark position of bone.
As an optional embodiment, the second limiting groove D2 is concavely disposed on the first inclined surface a, the notch of the second limiting groove D2 is located on the first inclined surface a, in an initial state, one end of the auxiliary push rod mechanism 81 facing the first inclined surface a is disposed in the second limiting groove D2, and a bottom surface of the auxiliary push rod mechanism 81 facing the gravity direction abuts against a groove bottom of the second limiting groove D2, so as to prevent the auxiliary push rod mechanism 81 from being disengaged from the second limiting groove D2 and being displaced toward the gravity direction, and meanwhile, the lifter 30 is conveniently and rapidly placed on the rear mold core 20, so that the assembly efficiency is improved.
Specifically, be provided with the mounting groove on the first inclined plane A, the mould still includes: wear-resisting piece 90, wear-resisting piece 90 set up in the mounting groove, wear-resisting piece 90 orientation the top piece 82 the face with first inclined plane A is located the coplanar, wear-resisting piece 90 orientation be provided with second spacing groove D2 on the face of top piece 82, auxiliary push rod mechanism 81 is close to first inclined plane A's one end set up in second spacing groove D2. In this embodiment, an installation groove (not shown) may be formed in the first inclined plane a, and the wear-resistant member 90 may be detachably disposed, a second limit groove D2 is formed in a surface of the wear-resistant member 90 facing the top block 82, and in an initial state, one end of the auxiliary push rod mechanism 81 facing the first inclined plane a is disposed in the second limit groove D2, and a bottom surface of the auxiliary push rod mechanism 81 facing the gravity direction abuts against a groove bottom of the second limit groove D2, so as to prevent the auxiliary push rod mechanism 81 from being disengaged from the second limit groove D2 and moving toward the gravity direction, and meanwhile, the inclined top block 30 is conveniently and rapidly disposed on the rear mold core 20, thereby improving the assembly efficiency.
As another alternative, the worker can replace the different types of wear-resistant members 90 according to the size of the auxiliary push rod mechanism 81 without redesigning and manufacturing the rear mold core 20, thereby reducing the manufacturing cost of the mold 100.
Specifically, the cross section of the second limiting groove D2 is in an L-shaped structure. In this embodiment, a cross section can be set, the cross section is vertically arranged, the second limiting groove D2 is equally cut, the cross section formed after cutting presents a shape structure, the groove bottom of the second limiting groove D2 is horizontally arranged, when the auxiliary push rod mechanism 81 is arranged in the second limiting groove D2 towards the end of the first inclined plane a, the auxiliary push rod mechanism 81 is also horizontally arranged, no inclination occurs, and the assembly accuracy of the inclined ejector block 30 and the rear mold core 20 is improved.
Specifically, the auxiliary push rod mechanism 81 includes: the second push rod 811 is slidably disposed in the first push groove, and one end of the second push rod 811 close to the first inclined plane a is disposed in the second limiting groove D2; fixing part 812, fixing part 812 slide set up in first push away the inslot, second push rod 811 keeps away from the one end of first inclined plane A set up in on the fixing part 812, kicking block 82 orientation the one end of first inclined plane A extends to in the first push away the inslot to can dismantle set up in on the fixing part 812. In this embodiment, in order to improve the sliding effect of the auxiliary push rod mechanism 81, the auxiliary push rod mechanism 81 mainly includes a second push rod 811 and a fixing member 812. The second push rod 811 is slidably disposed in the first push slot, one end of the second push rod 811 close to the first inclined plane a is disposed in the second limit slot D2, the fixing member 812 is located between the slot bottoms of the first push slot of the second push rod 811, the second push rod 811 is disposed on the fixing member 812, the second push rod 811 and the fixing member 812 move synchronously, one end of the top block 82 facing the first inclined plane a extends into the first push slot, and is detachably disposed on the fixing member 812, for example, the top block 82 is connected with the fixing member 812 in a snap-fit manner. When the oblique kicking block 30 is along first inclined plane A and when upwards moving for gravity direction slant, the one end that second push rod 811 is close to first inclined plane A constantly upwards slides, push away from second spacing groove D2 until second push rod 811, and with first inclined plane A sliding connection, along with the increase of the displacement volume that inclines upwards, second push rod 811 constantly pushes out towards the direction level of kicking block 82, the synchronous horizontal motion of mounting 812, at this moment, kicking block 82 constantly receives the thrust of second push rod 811, make kicking block 82 keep away from the continuous rib or the dark position of bone that push away from in the rib position die cavity F of one end of first inclined plane A, realize the drawing of patterns of rib or dark position of bone.
Referring to fig. 11 to 12, in detail, the auxiliary pushing rod mechanism 81 further includes: and a second elastic member disposed in the first push groove, the second elastic member being located between the fixing member 812 and the bottom of the first push groove. In this embodiment, a second elastic member may be disposed in the first push slot, and the second elastic member is located between the fixed member 812 and the slot bottom of the first push slot. When the slanted ejecting block 30 moves obliquely upward along the first inclined plane a and relative to the direction of gravity, the end of the second pushing rod 811 close to the first inclined plane a continuously slides upward until the second pushing rod 811 is pushed away from the second limiting groove D2 and is in sliding contact with the first inclined plane a. Along with the increase of the upward displacement amount in an inclined manner, the second push rod 811 is continuously pushed out horizontally in the direction of the top block 82, the second elastic piece is stressed and compressed, after the end, far away from the first inclined plane a, of the top block 82 continuously pushes ribs or deep bones in the rib position cavity F away from the rib position cavity F, the inclined top block 30 moves downwards relative to the gravity direction, the inclined top block 30 moves downwards in an inclined manner, after the second push rod 811 enters the second limiting groove D2, the end, far away from the elastic block 72, of the second push rod 811 is separated from the first inclined plane a and enters the second limiting groove D2, at the moment, the spring recovers elasticity, the second push rod 811 is quickly pushed to the groove wall of the second limiting groove D2 and is abutted against the groove wall of the second limiting groove D2, and the first mold cavity and the second mold cavity are closed to form the rib position cavity F.
Specifically, one of the side of the fixing member 812 far away from the first inclined surface a and the side of the top block 82 facing the first inclined surface a is provided with a clamping groove G, and the other side is provided with a clamping protrusion 821, and the clamping protrusion 821 forms a clamping connection with the clamping groove G. In this embodiment, in order to facilitate replacement and maintenance of the top block 82, a clamping groove G or a clamping protrusion 821 may be disposed on one side of the fixing member 812 away from the first inclined plane a, a clamping protrusion 821 or a clamping groove G is disposed on one side of the top block 82 facing the first inclined plane a, and the clamping protrusion 821 is disposed in the clamping groove G, so as to achieve detachable connection between the fixing member 812 and the top rod.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010122868.4A CN111152416A (en) | 2020-02-26 | 2020-02-26 | a mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010122868.4A CN111152416A (en) | 2020-02-26 | 2020-02-26 | a mold |
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| CN111152416A true CN111152416A (en) | 2020-05-15 |
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| CN202010122868.4A Pending CN111152416A (en) | 2020-02-26 | 2020-02-26 | a mold |
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Cited By (1)
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|---|---|---|---|---|
| CN113211735A (en) * | 2021-05-27 | 2021-08-06 | 深圳市银宝山新科技股份有限公司 | Die set |
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