CN111923354A - Core-pulling mechanism and die - Google Patents
Core-pulling mechanism and die Download PDFInfo
- Publication number
- CN111923354A CN111923354A CN202010800978.1A CN202010800978A CN111923354A CN 111923354 A CN111923354 A CN 111923354A CN 202010800978 A CN202010800978 A CN 202010800978A CN 111923354 A CN111923354 A CN 111923354A
- Authority
- CN
- China
- Prior art keywords
- block
- sliding
- core
- core pulling
- slider
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a core-pulling mechanism and a die, wherein the core-pulling mechanism comprises a first die holder, a first sliding assembly and a second sliding assembly, the first sliding assembly is movably arranged on the first die holder, an avoiding space is formed on the first sliding assembly, the first sliding assembly is used for being matched with a die core of the die to form a first side surface of a product to be injection-molded, the second sliding assembly comprises a sliding block seat movably arranged on the first sliding assembly and a core-pulling block accommodated in the avoiding space, the core-pulling block is movably arranged on an installation inclined surface of the sliding block seat, one end of the core-pulling block, far away from the sliding block seat, is used for being matched with the die core to form an inclined hole on the first side surface, and the sliding block seat is used for sequentially driving the core-pulling block and the first sliding assembly to move so that the core-pulling block and the first sliding. The invention can replace the technical scheme that the inclined guide post performs core pulling operation, thereby avoiding the phenomenon that the inclined guide post is easy to break in the whole core pulling operation process.
Description
Technical Field
The invention relates to the technical field of mold design, in particular to a core-pulling mechanism and a mold.
Background
Inclined holes often appear in the design and manufacturing process of injection molding pieces, and because the inclined holes and the mold opening direction form a certain angle, the problem of inclined core pulling needs to be considered in the mold structure design. At present, the inclined core pulling is completed by adopting an inclined guide pillar secondary core pulling method, namely, the inclined guide pillar firstly drives the core pulling slider to perform the first core pulling motion, and then drives the core pulling slider and the side ejection slider to move together through the inclined guide pillar so as to continue the second core pulling motion, but when the inclination angle of the inclined hole is too large, the inclined guide pillar is very easy to break in the process of completing the whole core pulling operation.
Accordingly, there is a need for a core-pulling mechanism and mold that overcomes or alleviates at least the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The invention mainly aims to provide a core pulling mechanism and a die, and aims to solve the technical problem that when the inclination angle of an inclined hole is too large, an inclined guide post is easy to break in the whole core pulling operation process.
In order to achieve the above object, the present invention provides a core pulling mechanism, wherein the core pulling mechanism includes a first die holder, a first sliding assembly and a second sliding assembly, the first sliding assembly is movably disposed on the first die holder, the first sliding assembly forms an avoiding space, the first sliding assembly is configured to cooperate with a die core of a die to form a first side surface of a product to be injection-molded, the second sliding assembly includes a slider holder and a core pulling block, the slider holder is movably disposed on the first sliding assembly, the core pulling block is accommodated in the avoiding space, and a mounting inclined surface is formed on the slider holder, the core pulling block is movably disposed on the mounting inclined surface, one end of the core pulling block, which is far away from the slider holder, is configured to cooperate with the die core to form an inclined hole on the first side surface, the slider holder is configured to sequentially drive the core pulling block and the first sliding assembly to move, so that the core-pulling block and the first sliding component are respectively far away from the product to be injected.
Optionally, the first sliding assembly comprises a sliding plate movably arranged on the first die holder and a side ejector block arranged on the sliding plate, the sliding plate seat is movably arranged on the sliding plate, the side ejector block forms the avoiding space, and the side ejector block is used for being matched with the mold core to form the first side face.
Optionally, a first sliding groove is formed in the sliding plate, the sliding block seat comprises a sliding block body and a mounting piece arranged on the sliding block body, the mounting inclined plane is formed at one end of the sliding block body, the mounting piece is far away from one end of the sliding block body and clamped in the first sliding groove, and the sliding block body is used for driving the mounting piece to move along the length direction of the first sliding groove.
Optionally, first subassembly that slides still including set up elastic component on the first die holder and with the first stop block that the elastic component is connected, first groove of sliding link up in the slide, the elastic component is used for elastic support first stop block stretches into in the first groove of sliding, in order to restrict the removal of slide, the installed part include with the limiting plate of slide butt and card are located briquetting in the first groove of sliding, the briquetting be used for with first stop block butt, in order to unblock the slide.
Optionally, the core pulling mechanism further includes a second die holder spliced with the first die holder, and a second stop block arranged on the second die holder, the slider body is provided with a stop hole, the side top block is provided with an insertion hole corresponding to the stop hole, and the second stop block passes through the insertion hole and is inserted into the stop hole, so that the second stop block is connected with the slider body.
Optionally, an accommodating space communicated with the avoiding space is formed in the side ejection block, and the accommodating space is used for allowing the slider seat to move.
Optionally, a second sliding groove is formed in the installation inclined surface, a sliding portion is arranged at one end, close to the installation inclined surface, of the core pulling block, and the sliding portion is clamped in the second sliding groove.
Optionally, the second sliding groove extends from one end, far away from the sliding plate, of the sliding block seat to one end, close to the sliding plate, of the sliding block seat so as to penetrate through the sliding block seat, and a stopping groove is formed in the sliding plate and used for being abutted to the core pulling block.
Optionally, the second sliding assembly further comprises a driving member, and a driving shaft of the driving member is connected with one end of the sliding block seat far away from the core block.
In addition, the invention also provides a mold, wherein the mold comprises a core and the core-pulling mechanism, the core is arranged on a first mold seat of the core-pulling mechanism, the first sliding assembly is used for being matched with the core to form the first side surface, and the core-pulling block is used for being matched with the core to form the inclined hole.
In the technical scheme of the invention, the core pulling mechanism comprises a first die holder, a first sliding assembly and a second sliding assembly, wherein the first sliding assembly is movably arranged on the first die holder, an avoiding space is formed on the first sliding assembly, the first sliding assembly is used for being matched with a die core of a die to form a first side surface of a product to be injection-molded, the second sliding assembly comprises a slider seat and a core pulling block, the slider seat is movably arranged on the first sliding assembly, the core pulling block is accommodated in the avoiding space, an installation inclined surface is formed on the slider seat, the core pulling block is movably arranged on the installation inclined surface, one end, far away from the slider seat, of the core pulling block is used for being matched with the die core to form an inclined hole on the first side surface, the slider seat is used for sequentially driving the core pulling block and the first sliding assembly to move so that the core pulling block and the first sliding assembly are respectively far away from the product to be injection-molded, namely the first sliding assembly can be matched with, the first side face of a product to be injection molded is formed through injection molding operation, the core pulling block can be matched with the mold core to form an inclined hole of the product to be injection molded through injection molding operation, after the whole injection molding operation is completed, the core pulling block can be driven to move towards the direction far away from the product to be injection molded through the movement of the sliding block seat on the first sliding assembly, the core pulling block moves towards the direction far away from the product to be injection molded to enable the core pulling block to lose the supporting effect of the inner wall face of an avoidance space, and the core pulling block can move towards the direction close to the first mold seat at the same time because the core pulling block is movably arranged on the installation inclined face until the core pulling block is completely separated from the product to be injection molded, so that the first core pulling operation can be completed, and then the first sliding assembly can be driven to move on the first mold seat through the sliding block seat to, the core-pulling device comprises a core-pulling block, a first sliding component, a second sliding component, a first guide post, a second guide post and a second guide post, wherein the first sliding component and the second sliding component are arranged on the same side of the core-pulling block, and the first sliding component and the second sliding component are arranged on the same side of the core-pulling block.
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 diagram of a product to be injection molded according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a core-pulling mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a portion of a core-pulling mechanism according to an embodiment of the present invention;
FIG. 4 is another schematic partial structure diagram of the core-pulling mechanism according to the embodiment of the invention;
FIG. 5 is a disassembled schematic view of a portion of the core pulling mechanism of an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a side top block according to an embodiment of the present invention;
FIG. 7 is a schematic view of another part of the core-pulling mechanism according to the embodiment of the present invention;
FIG. 8 is a disassembled schematic view of another portion of the core pulling mechanism of the embodiment of the present invention;
FIG. 9 is a schematic view of a first state of the core-pulling mechanism according to the embodiment of the present invention;
FIG. 10 is a second state diagram of the core-pulling mechanism according to the embodiment of the present invention;
fig. 11 is a third state diagram of the core-pulling mechanism according to the embodiment of the invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | First die |
2 | First sliding |
| 21 | |
211 | First sliding |
| 212 | |
22 | Side |
| 221 | |
222 | Containing |
| 223 | |
23 | |
| 24 | |
25 | Limiting rod |
| 3 | Second sliding |
31 | |
| 311 | |
312 | |
| 313 | |
314 | |
| 315 | |
316 | Second sliding |
| 317 | |
32 | Core- |
| 321 | Sliding |
33 | |
| 34 | |
35 | |
| 4 | Second die |
41 | |
| 5 | |
6 | Product to be injection molded |
| 61 | |
62 | Inclined hole |
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
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 up, down, 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 drawing), 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.
Referring to fig. 1 to 6, the present invention provides a core pulling mechanism, wherein the core pulling mechanism includes a first mold base 1, a first sliding assembly 2 and a second sliding assembly 3, the first sliding assembly 2 is movably disposed on the first mold base 1, the first sliding assembly 2 forms an avoiding space 221, the first sliding assembly 2 is configured to cooperate with a mold core 5 of a mold to form a first side surface 61 of a product 6 to be injection-molded, the second sliding assembly 3 includes a slider base 31 and a core pulling block 32, the slider base 31 is movably disposed on the first sliding assembly 2, the core pulling block 32 is accommodated in the avoiding space 221, a mounting inclined surface 315 is formed on the slider base 31, the core pulling block 32 is movably disposed on the mounting inclined surface 315, an end of the core pulling block 32 away from the slider base 31 is configured to cooperate with the mold core 5 to form an inclined hole 62 on the first side surface 61, the slider base 31 is configured to sequentially drive the core pulling block 32 and the first sliding assembly 2 to move, so that the core back block 32 and the first sliding assembly 2 are respectively far away from the product 6 to be injected.
In the technical scheme of the invention, because the provided core pulling mechanism comprises a first die holder 1, a first sliding component 2 and a second sliding component 3, the first sliding component 2 is movably arranged on the first die holder 1, the first sliding component 2 is provided with an avoiding space 221, the first sliding component 2 is used for matching with a die core 5 of a die to form a first side surface 61 of a product 6 to be injection-molded, the second sliding component 3 comprises a slider seat 31 and a core pulling block 32, the slider seat 31 is movably arranged on the first sliding component 2, the core pulling block 32 is accommodated in the avoiding space 221, a mounting inclined surface 315 is formed on the slider seat 31, the core pulling block 32 is movably arranged on the mounting inclined surface 315, one end of the core pulling block 32, which is far away from the slider seat 31, is used for matching with the die core 5 to form an inclined hole 62 on the first side surface 61, the slider seat 31 is used for sequentially driving the core pulling block 32 and the first sliding component 2 to move, so that the core pulling block 32 and the first sliding assembly 2 are respectively far away from the product 6 to be injection molded, that is, the first sliding assembly 2 can be matched with the core 5 of the product 6 to be injection molded to form the first side surface 61 of the product 6 to be injection molded through injection molding operation, and the core pulling block 32 can be matched with the core 5 to form the inclined hole 62 of the product 6 to be injection molded through injection molding operation, when the whole injection molding operation is completed, the movement of the slider seat 31 on the first sliding assembly 2 can drive the core pulling block 32 to move towards the direction far away from the product 6 to be injection molded, and the movement of the core pulling block 32 towards the direction far away from the product 6 to make the core pulling block 32 lose the supporting function of the inner wall surface of the avoiding space 221, and because the core pulling block 32 is movably arranged on the installation inclined surface 315, the core pulling block 32 can simultaneously move towards the direction close to the first mold seat 1 until the core pulling block, therefore, the first core pulling operation can be completed, and then the first sliding assembly 2 can be driven to move on the first die holder 1 through the sliding block holder 31 so as to enable the first sliding assembly 2 to be far away from the first side surface 61 of the product 6 to be injection-molded, so that the second core pulling operation is completed, namely, in the invention, the core pulling block 32 and the first sliding assembly 2 can be sequentially driven to move through the sliding block holder 31, so that the technical scheme that the core pulling block 32 and the first sliding assembly 2 are respectively far away from the product 6 to be injection-molded replaces the technical scheme that core pulling operation is performed through an inclined guide pillar in the prior art, and therefore, the phenomenon that the inclined guide pillar is very easy to break in the whole core pulling operation process when the inclination angle of the inclined hole 62 is.
In an embodiment, referring to fig. 1, 3, 5 and 6, the first sliding assembly 2 includes a sliding plate 21 movably disposed on the first mold base 1, and a side top block 22 disposed on the sliding plate 21, the sliding base 31 is movably disposed on the sliding plate 21, the side top block 22 forms an avoiding space 221, and the side top block 22 is used for cooperating with the mold core 5 to form the first side surface 61. Slide 21 includes that installation department and interval set up two portions 321 that slide on the installation department, the interval is equipped with two third grooves that slide on the first die holder 1, two portions 321 that slide and two third grooves one-to-one setting that slide, side kicking block 22 and slide holder 31 all set up the one side that deviates from two portions 321 that slide at the installation department, and side kicking block 22 can carry out fixed connection through connecting piece and slide 21, can be with the first subassembly 2 split that slides and become slide 21 and side kicking block 22, thereby there is the dismouting of the slider holder 31 of being convenient for and the piece 32 of loosing core.
Specifically, referring to fig. 1, 3 and 5, the sliding plate 21 is provided with a first sliding groove 211, the slider seat 31 includes a slider body 311 and a mounting member 312 disposed on the slider body 311, an installation inclined surface 315 is formed at one end of the slider body 311, one end of the mounting member 312 far away from the slider body 311 is clamped in the first sliding groove 211, and the slider body 311 is configured to drive the mounting member 312 to move along the length direction of the first sliding groove 211. In this embodiment, when the core pulling operation starts, the mounting member 312 may be located at one end of the first sliding groove 211 close to the product 6 to be injection-molded, and after the core pulling operation for the first time ends, the mounting member 312 may be located at one end of the second sliding groove 316 far away from the product 6 to be injection-molded, that is, at this time, the mounting member 312 may abut against the side wall surface of the second sliding groove 316, so as to continuously drive the sliding plate 21 to move at the first mold base 1 through the slider base 31. Further, the length of the first slide groove 211 may be specifically determined according to a length required for the core block 32 to be completely withdrawn from the product 6 to be injection-molded.
Further, referring to fig. 1, 3, 5 and 8, the first sliding assembly 2 further includes an elastic member 23 disposed on the first die holder 1, and a first stop block 24 connected to the elastic member 23, the first sliding groove 211 penetrates the sliding plate 21, the elastic member 23 is used for elastically supporting the first stop block 24 to extend into the first sliding groove 211 to limit the movement of the sliding plate 21, the mounting member 312 includes a limit plate 313 abutting against the sliding plate 21, and a pressing block 314 clamped in the first sliding groove 211, and the pressing block 314 is used for abutting against the first stop block 24 to unlock the sliding plate 21. The first stop block 24 may be disposed at one end of the first sliding groove 211 far away from the product 6 to be injection-molded, that is, before the mounting member 312 is not abutted to the first stop block 24, the first stop block 24 may be extended into the first sliding groove 211 under the supporting action of the elastic member 23, so as to achieve the purpose of limiting the movement of the sliding plate 21, when the mounting member 312 moves to one end of the first sliding groove 211 far away from the product 6 to be injection-molded, the pressing block 314 clamped in the first sliding groove may be abutted to the first stop block 24, the elastic member 23 is compressed, the first stop block 24 is entirely exposed out of the first sliding groove 211, so that the sliding plate 21 is free from the limitation of the first stop block 24, and the slider seat 31 may drive the sliding plate 21 to move. More specifically, the first die holder 1 is formed with a first mounting hole, one end of the elastic element 23 is disposed on the bottom wall of the first mounting hole, the other end of the elastic element 23 is connected with the first stop block 24, meanwhile, the first die holder 1 is further formed with a second mounting hole communicated with the first mounting hole, the axis of the first mounting hole and the axis of the second mounting hole are on the same straight line, the aperture of the second mounting hole is smaller than that of the first mounting hole, the bottom wall of the second mounting hole is provided with a limit rod 25, the elastic element 23 and the first stop block 24 are arranged on the limit rod 25 in a penetrating manner, and the limit rod 25 is used for limiting the lower limit position of the first stop block 24. In addition, the elastic member 23 includes, but is not limited to, a spring.
In an embodiment, referring to fig. 2, 5, 6 and 7, the core pulling mechanism further includes a second mold base 4 assembled with the first mold base 1, and a second stop block 41 disposed on the second mold base 4, a stop hole 317 is formed on the slider body 311, a plug hole 223 is formed on the side top block 22 corresponding to the stop hole 317, the second stop block 41 passes through the plug hole 223 and is inserted into the stop hole 317, so that the second stop block 41 is connected with the slider body 311. The stop hole 317 and the second stop block 41 may be an interference fit, and the insertion hole 223 and the second stop block 41 may be a clearance fit, that is, the movement of the slider body 311 may be limited by the second stop block 41, so as to ensure the reliability of the injection molding operation.
Further, referring to fig. 5 and 6, the side top block 22 further forms an accommodating space 222 communicated with the avoiding space 221, and the accommodating space 222 is used for moving the slider seat 31. That is, when performing the injection molding operation, the slider seat 31 may be completely accommodated in the accommodating space 222 to ensure the reasonability of the layout of the entire mold, and when performing the core pulling operation, the slider seat 31 may be controlled to move along the arrangement direction of the accommodating space 222 to perform a guiding function.
In an embodiment, referring to fig. 5, a second sliding groove 316 is formed on the installation inclined surface 315, a sliding portion 321 is disposed at one end of the core back block 32 close to the installation inclined surface 315, and the sliding portion 321 is clamped in the second sliding groove 316. Specifically, the second groove 316 that slides can be T type groove, and the second groove 316 that slides includes that the card establishes groove section and intercommunication groove section promptly, and the intercommunication groove section is used for the intercommunication card to establish groove section and external, and the shape of the portion 321 that slides can cooperate with T type groove, and the portion 321 that slides promptly can locate the spacing section of card establishing in the groove section and wear to locate the linkage segment in the intercommunication groove section including the card. Of course, the present invention is not limited to this, and a slide rail may be provided on the installation inclined surface 315, and a slide block that is engaged with the slide rail is provided at one end of the core back block 32 close to the installation inclined surface 315.
Further, referring to fig. 5 and 8, the second sliding groove 316 extends from one end of the slider holder 31 far from the sliding plate 21 to one end of the slider holder 31 near the sliding plate 21 to penetrate through the slider holder 31, and the sliding plate 21 is provided with a stopping groove 212, where the stopping groove 212 is used for abutting against the core back block 32. That is, when the core block 32 is located at an end of the slide holder 31 away from the slide 21, a part of the core block 32 may protrude out of the second sliding groove 316, and meanwhile, when the core block 32 moves toward the end close to the slide 21 and moves to an end close to the slide 21, a part of the core block 32 may also protrude out of the second sliding groove 316, and the core block 32 may just move to correspond to the stopping groove 212 on the slide 21, that is, the core block 32 may continue to move to abut against a bottom wall surface of the stopping groove 212, so that the movable distance of the core block 32 may be further ensured.
In an embodiment, referring to fig. 3, fig. 4 and fig. 5 again, the second sliding assembly 3 further includes a driving member 33, and a driving shaft of the driving member 33 is connected to an end of the sliding block seat 31 far away from the core block 32. The driving member 33 includes, but is not limited to, a driving cylinder, i.e., the moving distance of the slider seat 31 can be accurately controlled by the driving member 33, so as to protect the accuracy of the core pulling operation. The mechanism of loosing core still includes the mounting bracket 34 that sets up on first die holder 1 simultaneously and wears to locate the guide bar 35 on the mounting bracket 34, and driving piece 33 sets up on mounting bracket 34, and the one end that the guide bar 35 kept away from the mounting bracket 34 wears to locate on side kicking block 22.
Specifically, the core pulling operation of the core pulling mechanism can be specifically divided into the following steps:
in the first step, the first die holder 1 and the second die holder 4 are separated, and the second stop block 41 is sequentially taken out from the stop hole 317 of the slider body 311 and the insertion hole 223 of the side top block 22, so that the slider holder 31 is in a free state, which can be seen in a first state diagram in fig. 9.
Secondly, the slider seat 31 moves towards the direction away from the product 6 to be injection-molded along the first sliding groove 211 of the sliding plate 21 under the action of the driving element 33, so as to drive the core pulling block 32 to obliquely core along the second sliding groove 316 on the installation inclined surface 315, thereby completing the first core pulling operation, and meanwhile, in the state of completing the first core pulling operation, the mounting element 312 presses the first stop block 24 away from the first sliding groove 211 of the sliding plate 21 under the action of the slider body 311, so as to unlock the side top block 22 in a free state, and the mounting element 312 can be attached to the inner wall surface of the left side of the first sliding groove 211, which can be specifically seen in a second state schematic diagram in fig. 10.
Thirdly, when the side ejector block 22 is unlocked and is in a free state, the driving part 33 continues to drive the slider seat 31 to move, the mounting part 312 is attached to the inner wall surface of the left side of the first sliding groove 211, the side ejector block 22 moves towards the direction away from the product 6 to be injection-molded under the action of the driving part 33, and the second core pulling operation is completed, so that the second core pulling operation of the core pulling mechanism is completed, which can be specifically seen in a schematic diagram of a third state in fig. 11.
It should be noted that, in the above embodiments, the core-pulling block 32 and the first sliding assembly 2 are respectively driven by the slider seat 31 to move in a direction away from the product 6 to be injection-molded, but the core-pulling mechanism provided by the present invention may also drive the slider seat 31 reversely to respectively drive the core-pulling block 32 and the first sliding assembly 2 to move in a direction close to the product 6 to be injection-molded.
In addition, the invention also provides a mold, wherein the mold comprises a core 5 and the core-pulling mechanism as described above, the core 5 is arranged on the first mold base 1 of the core-pulling mechanism, the first sliding component 2 is used for cooperating with the core 5 to form the first side surface 61, and the core-pulling block 32 is used for cooperating with the core 5. To form angled holes 62. Since the mold adopts all the technical solutions of the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A core pulling mechanism, comprising:
a first die holder;
the first sliding assembly is movably arranged on the first die holder, an avoiding space is formed in the first sliding assembly, and the first sliding assembly is used for being matched with a core of a die to form a first side surface of a product to be injection-molded;
the second sliding assembly comprises a sliding block seat and a core pulling block, the sliding block seat is movably arranged on the first sliding assembly, the core pulling block is contained in the avoiding space and forms an installation inclined surface, the core pulling block is movably arranged on the installation inclined surface, one end, far away from the sliding block seat, of the core pulling block is used for being matched with the mold core to form an inclined hole in the first side surface, and the sliding block seat is used for sequentially driving the core pulling block and the first sliding assembly to move so that the core pulling block and the first sliding assembly are respectively far away from the product to be injection-molded.
2. The core pulling mechanism as recited in claim 1, wherein the first glide assembly includes a slide movably disposed on the first die holder, and a side ejector block disposed on the slide, the slide holder being movably disposed on the slide, the side ejector block forming the relief space, the side ejector block being configured to cooperate with the mold core to form the first side.
3. The core pulling mechanism according to claim 2, wherein the sliding plate has a first sliding slot, the slider seat includes a slider body and a mounting member disposed on the slider body, one end of the slider body forms the mounting inclined surface, one end of the mounting member away from the slider body is clamped in the first sliding slot, and the slider body is configured to drive the mounting member to move along a length direction of the first sliding slot.
4. The core pulling mechanism according to claim 3, wherein the first sliding assembly further comprises an elastic member disposed on the first die holder and a first stop block connected to the elastic member, the first sliding groove penetrates through the sliding plate, the elastic member is used for elastically supporting the first stop block to extend into the first sliding groove so as to limit the movement of the sliding plate, the mounting member comprises a limit plate abutted to the sliding plate and a pressing block clamped in the first sliding groove, and the pressing block is abutted to the first stop block so as to unlock the sliding plate.
5. The core pulling mechanism as claimed in claim 4, further comprising a second die holder assembled with the first die holder, and a second stop block disposed on the second die holder, wherein the slider body is provided with a stop hole, the side top block is provided with an insertion hole corresponding to the stop hole, and the second stop block passes through the insertion hole and is inserted into the stop hole, so that the second stop block is connected with the slider body.
6. The core pulling mechanism according to any one of claims 1 to 5, wherein the side top block is further formed with an accommodating space communicated with the avoiding space, and the accommodating space is used for moving the slider seat.
7. The core pulling mechanism as claimed in claim 2, wherein a second sliding groove is formed on the installation inclined surface, a sliding part is arranged at one end of the core pulling block close to the installation inclined surface, and the sliding part is clamped in the second sliding groove.
8. The core pulling mechanism as claimed in claim 7, wherein the second sliding slot extends from an end of the slider holder far away from the sliding plate to an end of the slider holder close to the sliding plate so as to penetrate through the slider holder, and the sliding plate is provided with a stopping slot for abutting against the core pulling block.
9. The core pulling mechanism as claimed in any one of claims 1 to 5, wherein the second sliding assembly further comprises a driving member, a driving shaft of the driving member being connected with an end of the slider seat remote from the core block.
10. A mould comprising a core and a core pulling mechanism according to any one of claims 1 to 9, the core being provided on a first shoe of the core pulling mechanism and the first glide assembly being adapted to cooperate with the core to form the first side, the core block being adapted to cooperate with the core to form the angled bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010800978.1A CN111923354B (en) | 2020-08-11 | 2020-08-11 | Core-pulling mechanism and die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010800978.1A CN111923354B (en) | 2020-08-11 | 2020-08-11 | Core-pulling mechanism and die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111923354A true CN111923354A (en) | 2020-11-13 |
| CN111923354B CN111923354B (en) | 2022-06-10 |
Family
ID=73311153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010800978.1A Active CN111923354B (en) | 2020-08-11 | 2020-08-11 | Core-pulling mechanism and die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111923354B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873749A (en) * | 2021-03-31 | 2021-06-01 | 宁波泓耀光电部件有限公司 | Novel slide block shifting block mechanism |
| CN113334705A (en) * | 2021-05-10 | 2021-09-03 | 宁波方正汽车模具股份有限公司 | Slide block driving mechanism for die |
| CN114393794A (en) * | 2022-01-20 | 2022-04-26 | 宁波东恩精密机械有限公司 | Forming die convenient to back-off shaping and drawing of patterns |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201659668U (en) * | 2010-04-13 | 2010-12-01 | 台州市黄岩大盛模塑有限公司 | Oblique fixing hole secondary core-pulling mechanism of automotive fog lamp housing mould |
| KR20160136765A (en) * | 2015-05-21 | 2016-11-30 | 주식회사 인성플라텍 | Slide core assembly for processing under cut with two angles at a time |
| CN106182634A (en) * | 2016-08-31 | 2016-12-07 | 宁波方正汽车模具有限公司 | Stripper apparatus at radiator case lid water filling port |
| CN206796436U (en) * | 2017-04-11 | 2017-12-26 | 宁波神通模塑有限公司 | A kind of core-pulling mechanism of injection mold |
| CN207206987U (en) * | 2017-08-02 | 2018-04-10 | 象山宁越模具有限公司 | A kind of side core drawing structure for automobile-used valve body manufacture mould |
| CN209633690U (en) * | 2019-02-20 | 2019-11-15 | 中亿腾模塑科技（苏州）有限公司 | A kind of plastic mould with pressure with angle back-off stripping structure |
| CN111086133A (en) * | 2019-12-18 | 2020-05-01 | 常州工学院 | Compound side core-pulling mechanism of mould |
| US10753441B2 (en) * | 2016-03-29 | 2020-08-25 | Technocrats Corporation | Motion transmitting device, mold assembly and machines |
-
2020
- 2020-08-11 CN CN202010800978.1A patent/CN111923354B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201659668U (en) * | 2010-04-13 | 2010-12-01 | 台州市黄岩大盛模塑有限公司 | Oblique fixing hole secondary core-pulling mechanism of automotive fog lamp housing mould |
| KR20160136765A (en) * | 2015-05-21 | 2016-11-30 | 주식회사 인성플라텍 | Slide core assembly for processing under cut with two angles at a time |
| US10753441B2 (en) * | 2016-03-29 | 2020-08-25 | Technocrats Corporation | Motion transmitting device, mold assembly and machines |
| CN106182634A (en) * | 2016-08-31 | 2016-12-07 | 宁波方正汽车模具有限公司 | Stripper apparatus at radiator case lid water filling port |
| CN206796436U (en) * | 2017-04-11 | 2017-12-26 | 宁波神通模塑有限公司 | A kind of core-pulling mechanism of injection mold |
| CN207206987U (en) * | 2017-08-02 | 2018-04-10 | 象山宁越模具有限公司 | A kind of side core drawing structure for automobile-used valve body manufacture mould |
| CN209633690U (en) * | 2019-02-20 | 2019-11-15 | 中亿腾模塑科技（苏州）有限公司 | A kind of plastic mould with pressure with angle back-off stripping structure |
| CN111086133A (en) * | 2019-12-18 | 2020-05-01 | 常州工学院 | Compound side core-pulling mechanism of mould |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873749A (en) * | 2021-03-31 | 2021-06-01 | 宁波泓耀光电部件有限公司 | Novel slide block shifting block mechanism |
| CN113334705A (en) * | 2021-05-10 | 2021-09-03 | 宁波方正汽车模具股份有限公司 | Slide block driving mechanism for die |
| CN114393794A (en) * | 2022-01-20 | 2022-04-26 | 宁波东恩精密机械有限公司 | Forming die convenient to back-off shaping and drawing of patterns |
| CN114393794B (en) * | 2022-01-20 | 2024-03-22 | 宁波东恩精密机械有限公司 | Forming die convenient to back-off shaping and drawing of patterns |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111923354B (en) | 2022-06-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111923354B (en) | Core-pulling mechanism and die | |
| KR20200011872A (en) | Undercut processing mechanism and molding machine | |
| CN111152418A (en) | Multistage slider shedder and car function piece mould | |
| JPS5944979B2 (en) | injection mold | |
| CN111152422A (en) | Multistage slider shedder and car function piece mould | |
| CN212400213U (en) | Multidirectional parting mould | |
| CN114179305B (en) | Oblique needle mould is taken out in line position of rolling handle of a knife | |
| CN209766839U (en) | Pin needle vertical placement protection device | |
| CN210525724U (en) | Single-row multi-direction mold core pulling structure | |
| CN216885018U (en) | Core pulling structure and injection mold | |
| CN211105377U (en) | Straight-pushing mold of bumper | |
| CN220862690U (en) | Sliding block mechanism for die-casting die and die-casting die | |
| CN215203254U (en) | Horizontal drawing and demolding device | |
| CN217226509U (en) | Injection mould | |
| CN107738412B (en) | Sliding block core pulling mechanism | |
| CN109352935B (en) | Forced disengaging mechanism | |
| CN220297615U (en) | Automobile plastic accessory mould positioning mechanism | |
| CN212602990U (en) | Special-shaped hardware device is put in advance in horizontal injection molding machine mould | |
| CN211566787U (en) | Metal annular insert positioning mechanism | |
| CN220923209U (en) | Mould device | |
| CN110126223B (en) | Strong demoulding tool structure of precision connector abdication sliding block | |
| CN220742012U (en) | Mould with secondary ejection structure | |
| CN211662453U (en) | T-shaped sequential ejection device | |
| CN210758689U (en) | Mould for forming cover-shaped component | |
| CN216068491U (en) | Slide structure and double-color mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |