WO2019184274A1 - 镶件结构及塑胶模具 - Google Patents

镶件结构及塑胶模具 Download PDF

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Publication number
WO2019184274A1
WO2019184274A1 PCT/CN2018/106730 CN2018106730W WO2019184274A1 WO 2019184274 A1 WO2019184274 A1 WO 2019184274A1 CN 2018106730 W CN2018106730 W CN 2018106730W WO 2019184274 A1 WO2019184274 A1 WO 2019184274A1
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WO
WIPO (PCT)
Prior art keywords
insert
axial
fixing member
hole
axial hole
Prior art date
Application number
PCT/CN2018/106730
Other languages
English (en)
French (fr)
Inventor
袁岭
Original Assignee
深圳市大疆百旺科技有限公司
Priority date (The priority date 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 date listed.)
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Application filed by 深圳市大疆百旺科技有限公司 filed Critical 深圳市大疆百旺科技有限公司
Priority to CN201880017722.4A priority Critical patent/CN110896615A/zh
Publication of WO2019184274A1 publication Critical patent/WO2019184274A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • 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
    • 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
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2001/00—Articles provided with screw threads

Definitions

  • the embodiment of the invention belongs to the technical field of injection molds, and in particular relates to an insert structure and a plastic mold using the insert structure.
  • some multi-cavity thread-out molding plastic molds will be provided with some inserts, such as threaded cores.
  • the inserts are easy to disassemble and replace, on the other hand, for injection molding products with complicated structures, or are not easy to produce.
  • Molded injection molding products (such as injection molding products that need to machine internal threaded holes), setting inserts can facilitate mold release and reduce processing difficulty.
  • the inventors have found that at least the following problems exist in the prior art: in a plastic mold in which an insert of a type such as a threaded core is provided, a threaded core and a fixed template or a movable template or the like are required.
  • the inserts are tightly matched. If the fit is not good, the injection molded product is easy to form a flash, which leads to a decrease in the yield of the product. If the injection molded product has a running edge after the insert is assembled to the mold, the existing practice is to disassemble the mold. Adjusting the position of the inserts will result in low production efficiency and inconsistent results per adjustment, resulting in poor consistency of different batches of injection molded products.
  • the embodiment of the present invention provides an insert structure to solve the problem that the injection molding product is prone to flash when using some inserts in the existing plastic mold, and to solve the problem that the mold needs to be disassembled when the product has a flash edge problem. Adjusting the position of the insert leads to problems of low production efficiency and poor product consistency.
  • embodiments of the present invention also provide a plastic mold using the insert structure.
  • the insert structure provided by the embodiment of the invention includes:
  • An insert the insert being provided with a transmission portion that cooperates with an external component
  • the outer periphery of the fixing member is provided with an axial limiting portion that cooperates with an outer member
  • An adjusting member for driving the fixing member to rotate to adjust a screwing distance of the insert and the fixing member
  • the fixing member is provided with a first axial hole, and the insert can be screwed or screwed in the first axial hole when the adjusting member drives the fixing member to rotate. Out.
  • the first axial hole is a blind hole or a through hole
  • the side wall of the first axial hole is provided with an internal thread
  • the insert is located in the first axial hole
  • One end is provided with an external thread
  • the insert is engaged with the fixing member by the external thread and the internal thread.
  • the first axial hole is a blind hole, and the bottom of the first axial hole is provided with an axial threaded column, and the threaded column is coaxial with the first axial hole
  • An end of the insert located in the first axial bore is provided with a second axial bore with an internal thread, the insert being engaged with the threaded post by the internal thread.
  • an inner wall of the first axial hole is provided with a latching member, and a portion of the insert located at the first axial hole is correspondingly provided with a card slot, and the insert is from the When the first axial hole is unscrewed or unscrewed by a certain distance, the latching member and the card slot cooperate to generate a sense of position.
  • the latching member includes an elastic portion and a latching portion that are in contact with each other, and an inner wall of the first axial hole is provided with a radial counterbore, and the elastic portion is located in the radial direction. Within the bore, the catch portion is partially located within the radial counterbore.
  • the insert structure further includes a limiting member, and the limiting member cooperates with the transmission portion to define a screwing distance of the insert and the fixing member.
  • the fixing portion is provided with an external thread portion away from one end of the insert, and the adjusting member and the locking member are two knobs which are sequentially screwed into the external thread portion.
  • the insert in the above solution is a thread core.
  • an embodiment of the present invention provides a plastic mold including a fixed mold assembly, a movable mold assembly, and a cavity formed by the cooperation between the fixed mold assembly and the movable mold assembly.
  • the insert structure and the injection mold using the insert structure can be adjusted by adjusting the screwing distance of the insert and the fixing member by providing the fixing member and the adjusting member matched with the insert.
  • the tightness of the parts in the mold with other parts so as to complete the correction of the position of the insert in the mold without removing the mold, to prevent the occurrence of flash, which can effectively improve the production efficiency and ensure the adjustment every time.
  • the amount can be maintained at the same level to ensure the consistency of the injection molded product.
  • FIG. 1 is a schematic overall view of an insert structure according to an embodiment of the present invention.
  • Figure 2 is a cross-sectional view of the insert structure provided in Figure 1;
  • FIG. 3 is a cross-sectional view showing another insert structure according to an embodiment of the present invention.
  • Figure 4 is an enlarged schematic view of A in Figure 3;
  • FIG. 5 is a top view of a plastic mold according to an embodiment of the present invention.
  • Figure 6 is a cross-sectional view taken along line B-B of Figure 5;
  • Figure 7 is a cross-sectional view taken along line C-C of Figure 5;
  • Figure 8 is a partial view of the plastic mold provided in Figure 5;
  • Figure 9 is an enlarged schematic view of D in Figure 8.
  • references to "an embodiment” herein mean that a particular feature, structure, or characteristic described in connection with the embodiments can be included in at least one embodiment of the invention.
  • the appearances of the phrases in various places in the specification are not necessarily referring to the same embodiments, and are not exclusive or alternative embodiments that are mutually exclusive. Those skilled in the art will understand and implicitly understand that the embodiments described herein can be combined with other embodiments.
  • Embodiments of the present invention provide an insert structure, including:
  • An insert the insert being provided with a transmission portion that cooperates with an external component
  • the outer periphery of the fixing member is provided with an axial limiting portion that cooperates with an outer member
  • An adjusting member for driving the fixing member to rotate to adjust a screwing distance between the insert and the fixing member
  • the embodiment of the present invention further provides a plastic mold including a fixed mold assembly, a movable mold assembly, and a joint formed by the fixed mold assembly and the movable mold assembly, based on the insert structure.
  • the insert structure and the injection mold using the insert structure can be adjusted by adjusting the screwing distance of the insert and the fixing member by providing the fixing member and the adjusting member matched with the insert.
  • the tightness of the parts in the mold with other parts so as to complete the correction of the position of the insert in the mold without removing the mold, to prevent the occurrence of flash, which can effectively improve the production efficiency and ensure the adjustment every time.
  • the amount can be maintained at the same level to ensure the consistency of the injection molded product.
  • the insert structure can be applied to a plastic mold, especially a multi-cavity thread-out mold type plastic mold.
  • the insert is The structure includes an insert 10, a fixing member 20, an adjusting member 30 and a locking member 40.
  • the fixing member 20 is screwed and coaxial with the insert member 10.
  • the adjusting member 30 drives the fixing member 20 to rotate. Adjusting the screwing distance of the insert 10 and the fixing member 20; the locking member 40 is for locking the adjusting member 30 after adjusting the screwing distance of the insert 10 and the fixing member 20
  • the adjustment member 30 is described.
  • the insert 10 is provided with a transmission portion 101 that cooperates with an external component.
  • the outer component may be a transmission gear in a demolding assembly in a plastic mold, the transmission The portion 101 corresponds to a gear portion.
  • the outer periphery of the fixing member 20 is provided with an axial limiting portion 201 that cooperates with the outer component.
  • the outer component may be a fixed template in the plastic mold, and the fixed template cooperates with the axial limiting portion 201.
  • the axial movement of the fixing member 20 is restricted, and the fixing member 20 can only perform a circumferential rotational movement under the driving of the adjusting member 30, and cannot perform an axial movement, so that when the adjusting member 30 rotates,
  • the insert 10 screwed to the adjusting member 30 can be linearly moved along the axis of the adjusting member 30, thereby adjusting the position of the insert 10 in the plastic mold, and realizing the insert 10 and the plastic mold.
  • the adjustment of the tightness of the other components can avoid the flashing of the plastic product; since the rotation angle of the fixing member 20 is controllable, the uniform adjustment amount can be ensured to ensure the consistency of the plastic product. .
  • a first axial hole 202 may be disposed at one end of the fixing member 20, the insert 10 is partially located in the first axial hole 202, and the insert 10 is at the adjusting member 30.
  • the fixing member 20 is rotated, it can be screwed in or out in the first axial hole 202.
  • the first axial hole 202 is a blind hole or a through hole
  • the side wall of the first axial hole 202 is provided with an internal thread
  • the insert 10 is located at the first One end of an axial hole 202 is provided with an external thread
  • the insert 10 is engaged with the fixing member 20 by the external thread and the internal thread.
  • the first axial hole 202 is a blind hole, and the bottom of the first axial hole 202 is provided with an axial threaded column 203, the threaded column 203 and the first axial direction.
  • the hole 202 is coaxial, and one end of the insert 10 located in the first axial hole 202 is provided with a second axial hole 102 with an internal thread, and the insert 10 passes through the second axial hole 102.
  • the internal thread is engaged with the threaded post 203.
  • a post 203 is threaded or unscrewed within the second axial bore 102, and the insert 10 is correspondingly threaded or unscrewed within the first axial bore 202, in the present embodiment, the thread
  • the post 203 may be integral with the fixing member 20 or may be a screw passing through the end of the fixing member 20.
  • the screwing of the fixing member 20 and the insert 10 can also be realized by the inserting of the insert 10 on the outside of the fixing member 20, and the manner and the fixing thereof are realized.
  • the manner in which the pieces 20 are placed outside the insert 10 is similar, and the description will not be repeated here.
  • the inner wall of the first axial hole 202 is further provided with a latching member 204, and a portion of the inserting member 10 located at the first axial hole 202 is correspondingly provided with a card slot 103.
  • the cooperation of the latching member 204 and the card slot 103 can produce a sense of position when the user adjusts the screwing distance of the fixing member 20 and the insert 10, that is, the insert 10 is from the first axial hole 202.
  • the middle member is screwed in or out of a certain distance
  • the latching member 204 slides into the card slot 103 to generate a sense of position.
  • the position of the latching member 204 in the first axial hole 202 can be according to the When the insert 10 is in close fitting with the component in the plastic mold, the screwing distance of the insert 10 and the fixing member 20 is set, so that when the latching member 204 slides into the slot 103, the position is sensed. The insert 10 is in close fitting with the components in the plastic mold, thereby suppressing the occurrence of flash on the plastic product.
  • two axially-distributed card slots 103 may be disposed on the outer wall of the insert 10, wherein the fit of the one of the card slots 103 and the latching member 204 corresponds to the insert. 10 in a state of close fitting with the components in the plastic mold, the sense of position generated by the cooperation of the other card slot 103 and the latching member 204 corresponds to the state in which the insert 10 and the plastic product have been demolded; Two axially-distributed latching members 204 are disposed on the inner wall of the first axial hole 202, and a positional feeling generated by the engaging of the latching member 204 and the latching slot 103 corresponds to the insert 10 and the plastic The state of the close fitting of the components in the mold, the sense of the position of the other latching member 204 and the card slot 103 corresponds to the state in which the insert 10 and the plastic product have been demolded.
  • the latching member 204 may include an elastic portion 2041 and a latching portion 2042 that are in contact with each other or connected to each other, and the inner wall of the first axial hole 202 is provided with a radial counterbore 205, the elastic portion 2041 is located in the radial counterbore 205, and the latching portion 2042 is partially located in the radial counterbore 205.
  • the latching portion The side of the 2042 that is engaged with the card slot 103 is configured as a curved surface structure.
  • the card slot 103 can also be provided with a curved surface structure, so that the card holder 204 can be ensured in the card slot 103. Slide in or out smoothly.
  • the position-inducing latching member 204 and the card slot 103 can also be replaced by a spring-loaded boss or other way of achieving a sense of position, and the description will not be repeated here.
  • the clamping member 204 can also be disposed on the outer wall of the insert 10.
  • the card slot 103 is correspondingly disposed on the inner wall of the first axial hole 202, and the specific arrangement may be Referring to the related description in the above embodiment, the description will not be repeated here.
  • the insert structure further includes a limiting member 50, the limiting member 50 is sleeved on the inserting member 10, and the limiting member 50 is matched with the transmission portion 101 to define
  • the range of motion of the insert 10 is defined as a range of variation of the screwing distance or the screwing distance of the insert 10 and the fixing member 20.
  • the limiting member 50 is fixed to the template of the plastic mold.
  • the transmission portion 101 just abuts against the limiting member 50 to realize the limiting function of the insert 10, The interference fit of the insert 10 with other components in the plastic mold is prevented, thereby reducing the chance of mold damage and increasing the service life of the insert 10 and the plastic mold.
  • the fixing portion is provided with an external thread portion away from one end of the insert 10, the adjusting member 30 and the locking member 40 are knobs, and the adjusting and the locking member 40 are sequentially rotated.
  • the knob may be made of plastic or metal.
  • the insert 10 may specifically be a threaded core, and the threaded core may form an internally threaded hole in the plastic product.
  • the screwing distance of the insert 10 and the fixing member 20 can be adjusted by the adjusting member 30 to adjust the insert 10 in the mold.
  • the embodiment of the present invention further provides a plastic mold.
  • FIG. 5 is a top view of the plastic mold
  • FIGS. 6 and 7 are cross-sectional views of the plastic mold at different positions, specifically,
  • the plastic mold comprises a fixed mold assembly 1, a movable mold assembly 2, and a demolding assembly 32 located in a cavity (not shown) formed by the cooperation between the fixed mold assembly 1 and the movable mold assembly 2.
  • the demolding assembly 32 is connected to the drive mechanism 31 outside the cavity. It comprises a transmission gear 32a that cooperates with a transmission 101 on the insert 10 in the insert structure 4.
  • the insert 10 in the insert structure 4 is in a separated state from the insert 11 in the plastic mold in the initial state, that is, the mold core (not shown) in the plastic mold of the insert 10 is not tightly fitted. State, if plastic products are produced in accordance with this state, flashing will inevitably occur.
  • the adjusting member 30 can be operated by a tool such as a wrench, so that the adjusting member 30 drives the fixing member 20 to rotate in a specific direction, further driving the insert 10 to be unscrewed from the fixing portion and facing the center.
  • the insertion hole 11 is moved, and when the rotation of the fixing member 30 is continued by the adjusting member 30, a feeling of exertion is generated, or the card slot 103 on the insert 10 and the fixing member 20 are generated.
  • the clamping member 204 is in a tight fit, indicating that the engagement of the insert 10 with the mold in the plastic mold has been relatively close, at this time stop rotating the fixing member 20;
  • the locking member 40 is further operated by a tool such as a wrench to rotate the locking member 40 to a position against the adjusting member 30, so that the adjusting member 30 and the locking member 40 generate a self-locking force, thereby achieving the opposite.
  • the fixing of the fixing member 20 ensures that the insert 10 does not shift during the production process, thereby completing the adjustment of the insert 10.
  • the molding process of the insert 10 after the injection molding is completed as shown in FIG. 8, specifically, the driving rack (not shown) of the driving mechanism 31 and the driving shaft (not shown) are driven.
  • the transmission gear 32a is rotated, the transmission gear 32a drives the insert 10 to rotate, and the insert 10 rotates downward to be screwed into the first axial hole 202 of the same member 20.
  • the insert 10 since the insert 10 is located in the plastic product, the corresponding internal thread of the thread in the plastic product, the insert 10 will rotate from the plastic product along the internal thread when the insert 10 rotates.
  • the separation of the insert 10 from the plastic product is achieved, and the demolding is completed.
  • the insert 10 can be reversely moved to closely cooperate with the mold core in the plastic mold, and if the transmission gear 32a drives the insert 10 to rotate, If the mold is not tightly fitted, the process of adjusting the insert 10 described above may be repeated to adjust the tightness of the insert 10 and the mold.
  • the plastic mold provided by the embodiment of the present invention adopts the insert structure 4 described in the above embodiments, and has at least the following advantages compared with the prior art:
  • the screwing distance between the insert 10 and the fixing member 20 can be adjusted by the adjusting member 30 to adjust the tightness of the insert 10 with other components in the mold, thereby Correcting the position of the insert 10 in the mold without removing the mold, preventing the occurrence of flash, effectively improving the production efficiency; at the same time, the operation is simple, and the daily maintenance of the plastic mold is convenient; in addition, each adjustment can be guaranteed.
  • the amount can be maintained at the same level to ensure the consistency of the injection molded product.

Abstract

一种镶件结构(4)和采用该镶件结构(4)的塑胶模具，其中所述镶件结构(4)包括：镶件(10)，所述镶件(10)上设置有与外部部件配合的传动部(101)；与所述镶件(10)旋接且共轴的固定件(20)，所述固定件(20)外周设置有与外部部件配合的轴向限位部(201)；带动所述固定件(20)转动，以调整所述镶件(10)和所述固定件(20)的旋接距离的调整件(30)；以及锁定所述调整件(30)的锁定件(40)。所述塑胶模具包括定模组件(1)、动模组件(2)，以及位于由所述定模组件(1)和动模组件(2)配合形成的型腔内的脱模组件(32)和前述的镶件结构(4)，所述脱模组件(32)包括传动齿轮(32a)，所述传动齿轮(32a)与所述镶件结构(4)中的镶件上的传动部(101)配合。该塑胶模具可在不拆除模具的情况下完成镶件(10)在模具中位置的矫正，且能保证注塑产品生产的一致性。

Description

镶件结构及塑胶模具 技术领域
本发明实施例属于注塑模具技术领域，尤其涉及一种镶件结构及采用该镶件结构的塑胶模具。
背景技术
在注塑领域，有些多型腔螺纹出模类塑胶模具中会设置一些镶件，比如螺纹转芯，镶件一方面是便于拆装更换，另一方面对于结构较为复杂的注塑产品，或者不易出模的注塑产品(比如需要加工内螺纹孔的注塑产品)，设置镶件可以方便出模，降低加工难度。
发明人在实现本发明实施例的过程中发现，现有技术至少存在下述问题：在设置螺纹转芯这类型的镶件的塑胶模具中，需要使螺纹转芯与定模板或动模板或其他镶件紧密配合，如果配合不好，注塑产品容易形成飞边，导致产品良率降低；如果镶件装配至模具后注塑产品出现跑飞边的情况，现有的做法是需要把模具拆开重新调整镶件的位置，这样将导致生产效率低，且每次调整的结果会不一致，导致不同批次的注塑产品的一致性较差。
发明内容
基于上述背景，本发明实施例提供一种镶件结构，以解决现有塑胶模具中采用一些镶件时注塑产品容易出现飞边的问题，以及解决在产品出现飞边问题时需要拆开模具重新调整镶件位置导致生产效率低、产品一致性较差的问题。此外，本发明实施例还提供采用该镶件结构的塑胶模具。
本发明实施例采用了如下的技术方案。
一方面，本发明实施例提供的镶件结构包括：
镶件，所述镶件上设置有与外部部件配合的传动部；
与所述镶件旋接且共轴的固定件，所述固定件外周设置有与外部部件配合的轴向限位部；
带动所述固定件转动，以调整所述镶件和所述固定件的旋接距离的调整件；
以及锁定所述调整件的锁定件。
作为本发明的可选方案，所述固定件设置有第一轴向孔，所述镶件在所述调整件带动所述固定件旋转时可在所述第一轴向孔内旋进或旋出。
作为本发明的可选方案，所述第一轴向孔为盲孔或者通孔，所述第一轴向孔的侧壁设置有内螺纹，所述镶件位于所述第一轴向孔内的一端设置外螺纹，所述镶件通过所述外螺纹和所述内螺纹与所述固定件啮合。
作为本发明的可选方案，所述第一轴向孔为盲孔，所述第一轴向孔的底部设置有轴向的螺纹柱，所述螺纹柱与所述第一轴向孔共轴，所述镶件位于所述第一轴向孔内的一端设置有带内螺纹的第二轴向孔，所述镶件通过所述内螺纹与所述螺纹柱啮合。
作为本发明的可选方案，所述第一轴向孔的内壁设置有卡位件，所述镶件位于所述第一轴向孔的部分对应设置有卡槽，所述镶件从所述第一轴向孔中旋出或旋出一定距离时，所述卡位件和所述卡槽配合产生到位感。
作为本发明的可选方案，所述卡位件包括互相接触的弹性部和卡位部，所述第一轴向孔的内壁设置有径向沉孔，所述弹性部位于所述径向沉孔内，所述卡位部部分地位于所述径向沉孔内。
作为本发明的可选方案，所述镶件结构还包括限位件，所述限位件配合所述传动部限定所述镶件与所述固定件的旋接距离。
作为本发明的可选方案，所述固定部远离所述镶件的一端设置外螺纹部，所述调整件和所述锁定件为依次旋入所述外螺纹部的两个旋钮。
可选的，上述方案中的所述镶件为螺纹型芯。
另一方面，本发明实施例提供一种塑胶模具，所述塑胶模具包括定模组件、动模组件，以及位于由所述定模组件和动模组件配合形成的型腔内的脱模组件和上述的镶件结构，其中，所述脱模组件包括传动齿轮，所述传动齿轮与所述镶件结构中的镶件上的传动部配合。
根据本发明实施例提供的镶件结构和采用该镶件结构的注塑模具，通 过设置与镶件配合的固定件和调整件，可以通过调整件调整镶件和固定件的旋接距离来调整镶件在模具中与其他部件的配合紧密度，从而在不拆除模具的情况下完成镶件在模具中位置的矫正，防止飞边的情况产生，能有效提高生产效率，且可保证每次的调整量能维持相同的水平，从而保证注塑产品的一致性。
附图说明
为了更清楚地说明本发明或现有技术中的方案，下面将对实施例或现有技术描述中所需要使用的附图作一个简单介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的镶件结构的整体示意图；
图2为图1提供的镶件结构的剖视图；
图3为本发明实施例提供的另一种镶件结构的剖视图；
图4为图3中A的放大示意图；
图5为本发明实施例提供的塑胶模具的俯视图；
图6为图5中沿B-B剖视线的剖视图；
图7为图5中沿C-C剖视线的剖视图；
图8为图5提供的塑胶模具的局部视图；
图9为图8中D的放大示意图。
1          定模组件
11         镶孔
2          动模组件
31         驱动机构
32         脱模组件
32a        传动齿轮
4          镶件结构
10         镶件
101        传动部
102        第二轴向孔
103        卡槽
20         固定件
201        轴向限位部
202        第一轴向孔
203        螺纹柱
204        卡位件
2041       弹性部
2042       卡位部
205        径向沉孔
30         调整件
40         锁定件
50         限位件
具体实施方式
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同；本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明；本发明的说明书和权利要求书及上述附图说明中的术语“包括”和“具有”以及它们的任何变形，意图在于覆盖不排他的包含。本发明的说明书和权利要求书或上述附图中的术语“第一”、“第二”等是用于区别不同对象，而不是用于描述特定顺序。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本发明的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
本发明实施例提供一种镶件结构，其包括：
镶件，所述镶件上设置有与外部部件配合的传动部；
与所述镶件旋接且共轴的固定件，所述固定件外周设置有与外部部件配合的轴向限位部；
带动所述固定件转动，以调整所述镶件和固定件旋接距离的调整件；
以及锁定所述调整件的锁定件。
基于所述的镶件结构，本发明实施例还提供一种塑胶模具，所述塑胶模具包括定模组件、动模组件，以及位于由所述定模组件和动模组件配合形成的型腔内的脱模组件和上述的镶件结构，其中，所述脱模组件包括传动齿轮，所述传动齿轮与所述镶件结构中的镶件上的传动部配合。
根据本发明实施例提供的镶件结构和采用该镶件结构的注塑模具，通过设置与镶件配合的固定件和调整件，可以通过调整件调整镶件和固定件的旋接距离来调整镶件在模具中与其他部件的配合紧密度，从而在不拆除模具的情况下完成镶件在模具中位置的矫正，防止飞边的情况产生，能有效提高生产效率，且可保证每次的调整量能维持相同的水平，从而保证注塑产品的一致性。
为了使本技术领域的人员更好地理解本发明实施例方案，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述。
参阅图1，图示为本发明实施例提供的镶件结构的整体结构图，所述镶件结构可应用于塑胶模具，尤其是多型腔螺纹出模类塑胶模具，具体地，所述镶件结构包括镶件10、固定件20、调整件30和锁定件40；所述固定件20与所述镶件10旋接且共轴，所述调整件30带动所述固定件20转动，以调整所述镶件10和所述固定件20的旋接距离；所述锁定件40用于在所述调整件30调整完所述镶件10和所述固定件20的旋接距离后锁定所述调整件30。
进一步地，结合图2，所述镶件10上设置有与外部部件配合的传动部101，在本实施例中，该外部部件可以是塑胶模具中脱模组件中的传动齿轮，所述传动部101相对应的为齿轮部。
所述固定件20外周设置有与外部部件配合的轴向限位部201，在本实施例中，该外部部件可以是塑胶模具中的定模板，该定模板配合所述轴向限位部201限制所述固定件20的轴向运动，所述固定件20在所述调整件30的带动下仅可做周向旋转运动，而不能做轴向运动，从而当所述调整件30旋转时，与所述调整件30旋接的镶件10即可沿所述调整件30的轴线 做直线运动，从而调整所述镶件10的在塑胶模具中的位置，实现所述镶件10与塑胶模具中其他部件配合的紧密度的调整，避免塑胶产品出现飞边的情况；由于所述固定件20的旋转角度是可控的，因此可以最大限度保证一致的调整量，从而保证塑胶产品的一致性。
作为本发明可实施的方案，所述固定件20与所述镶件10的旋接可通过所述固定件20套设在所述镶件10的外部实现，下面对此进行实例说明，重新参阅图2，可在所述固定件20的一端设置第一轴向孔202，所述镶件10部分地位于所述第一轴向孔202内，所述镶件10在所述调整件30带动所述固定件20旋转时可在所述第一轴向孔202内旋进或旋出。在一种可选的实施例中，所述第一轴向孔202为盲孔或者通孔，所述第一轴向孔202的侧壁设置有内螺纹，所述镶件10位于所述第一轴向孔202内的一端设置有外螺纹，所述镶件10通过所述外螺纹和所述内螺纹与所述固定件20啮合，当调整件30带动所述固定件20旋转时，所述调整件30和所述镶件10的旋接距离将发生变化，即所述镶件10在所述第一轴向孔202内旋进或旋出；在另一种可选的实施例中，如图3所示，所述第一轴向孔202为盲孔，所述第一轴向孔202的底部设置有轴向的螺纹柱203，所述螺纹柱203与所述第一轴向孔202共轴，所述镶件10位于所述第一轴向孔202内的一端设置有带内螺纹的第二轴向孔102，所述镶件10通过所述第二轴向孔102中的内螺纹与所述螺纹柱203啮合，当调整件30带动所述固定件20旋转时，所述调整件30和所述镶件10的旋接距离将发生变化，所述螺纹柱203在所述第二轴向孔102内旋进或旋出，所述镶件10相应地在所述第一轴向孔202内旋进或旋出，在本实施例中，所述螺纹柱203可以与所述固定件20为一体结构，也可以是穿过所述固定件20端部的螺钉。
当然，在另外一些实施例中，所述固定件20与所述镶件10的旋接也可以是通过所述镶件10套设在所述固定件20外部实现，其实现的方式与上述固定件20套设在镶件10外部的方式类似，在此不再展开说明。
作为本发明可实施的方案，所述第一轴向孔202的内壁还设置有卡位件204，所述镶件10位于所述第一轴向孔202的部分对应设置有卡槽103，所述卡位件204和卡槽103的配合可在用户调整所述固定件20和所述镶件10的旋接距离时产生到位感，即所述镶件10从所述第一轴向孔202中 旋进或旋出一定距离时，所述卡位件204滑入所述卡槽103从而产生到位感，所述卡位件204在所述第一轴向孔202内的位置可根据所述镶件10与塑胶模具中的部件紧密配合时所述镶件10与所述固定件20的旋接距离来设置，使所述卡位件204滑入所述卡槽103产生到位感时，所述镶件10与塑胶模具中的部件正好紧密配合，从而抑制塑胶产品上飞边的产生。
在一些实施例中，可在所述镶件10的外壁上设置两个沿轴向分布的卡槽103，其中一个卡槽103与所述卡位件204配合产生的到位感对应所述镶件10与塑胶模具中的部件的紧密配合的状态，另一个卡槽103与所述卡位件204配合产生的到位感对应所述镶件10与塑胶产品已完成脱模的状态；当然，也可在所述第一轴向孔202的内壁上设置两个沿轴向分布的卡位件204，其中一个卡位件204与所述卡槽103配合产生的到位感对应所述镶件10与塑胶模具中的部件的紧密配合的状态，另一个卡位件204与所述卡槽103配合产生的到位感对应所述镶件10与塑胶产品已完成脱模的状态。
进一步地，在本实施例中，如图4所示，所述卡位件204可包括互相接触或互相连接的弹性部2041和卡位部2042，所述第一轴向孔202的内壁设置有径向沉孔205，所述弹性部2041位于所述径向沉孔205内，所述卡位部2042部分地位于所述径向沉孔205内，在本实施例中，所述卡位部2042与所述卡槽103配合的一侧被设置成曲面结构，更进一步地，所述卡槽103也可对应设置曲面结构，从而可保证所述卡位件204能够在所述卡槽103内平滑地滑进或滑出。
当然，在另一些实施例中，所述产生到位感的卡位件204和卡槽103也可通过弹片加凸台的方式或者其他可实现到位感的方式替代，在此不再展开说明。在另一些实施例中，所述卡位件204也可设置在所述镶件10外壁上，所述卡槽103相应的设置在所述第一轴向孔202的内壁，具体的设置形式可参考上述实施例中相关说明，在此不再展开说明。
作为本发明可实施的方案，所述镶件结构还包括限位件50，所述限位件50套设在所述镶件10上，所述限位件50配合所述传动部101限定所述镶件10的运动范围，即限定所述镶件10与所述固定件20的旋接距离或旋接距离的变化范围，具体的，所述限位件50被固定在塑胶模具的定 模板中，使得所述镶件10从所述固定件20中旋出一定距离时，所述传动部101正好抵顶在所述限位件50上，实现对所述镶件10的限位功能，防止所述镶件10与塑胶模具中其他部件的过盈配合，从而减少模具受损的几率，提高所述镶件10和塑胶模具的使用寿命。
作为本发明可实施的方案，所述固定部远离所述镶件10的一端设置外螺纹部，所述调整件30和所述锁定件40为旋钮，所述调整和所述锁定件40依次旋入所述外螺纹部，在本实施例中，所述旋钮可以塑料制成，也可是金属制成。
在本发明实施例上述方案中，所述镶件10具体可为螺纹型芯，该螺纹型芯可在塑胶产品上形成内螺纹孔。
本发明实施例提供的镶件结构与现有技术相比至少存在如下优点：
通过设置与镶件10配合的固定件20和调整件30，该镶件结构装配到模具后，可以通过调整件30调整镶件10和固定件20的旋接距离来调整镶件10在模具中与其他部件的配合紧密度，从而在不拆除模具的情况下完成镶件10在模具中位置的矫正，防止飞边的情况产生，能有效提高生产效率；可保证每次的调整量能维持相同的水平，从而保证注塑产品的一致性。
本发明实施例还提供一种塑胶模具，参阅图5至图7，其中图5为所述塑胶模具的俯视图，图6和图7为对所述塑胶模具在不同位置的剖视图，具体地，所述塑胶模具包括定模组件1、动模组件2，以及位于由所述定模组件1和动模组件2配合形成的型腔(图中未标识)内的脱模组件32和镶件结构4，其中，所述镶件结构4可参考上述实施例中所提供的镶件结构，在此不再赘述；所述脱模组件32连接所述型腔外部的驱动机构31，其包括传动齿轮32a，所述传动齿轮32a与所述镶件结构4中的镶件10上的传动部101配合。
参阅图8和图9，并结合图1至图4对所述镶件结构4在所述塑胶模具中的工作过程进行说明。
假如初始状态所述镶件结构4中的镶件10与所述塑胶模具中的镶孔11处于分离状态，即镶件10所述塑胶模具中的模仁(图中未标识)配合处于不紧密状态，若按照这种状态进行塑胶产品的生产，必然产生飞边。
首先，可通过扳手等工具操作所述调整件30，使所述调整件30带动所述固定件20朝特定的方向转动，进一步带动所述镶件10从所述固定部中旋出并朝所述镶孔11运动，当旋转一定角度后，若继续通过所述调整件30带动所述固定件20旋转时产生吃力感，或者所述镶件10上的卡槽103与所述固定件20上的卡位件204产生紧密配合时的到位感，则说明所述镶件10与所述塑胶模具中的模仁的配合已经相对紧密，此时停止旋转所述固定件20；
然后，进一步通过扳手等工具操作锁定件40，使所述锁定件40旋转到抵紧所述调整件30的位置，使得所述调整件30和所述锁定件40产生自锁力，实现对所述固定件20的固定，可保证所述镶件10在生产过程中不会产生移位，由此完成对所述镶件10的调整。
进一步说明所述镶件10在完成注塑后的出模过程，如图8所示，具体的，在驱动机构31的传动齿条(图中未标识)和传动轴(图中未标识)的带动下，使得所述传动齿轮32a转动，所述传动齿轮32a带动所述镶件10旋转，所述镶件10旋转时将往下运动而旋入所述同定件20的第一轴向孔202内，同时由于所述镶件10位于所述塑胶产品中的螺牙在所述塑胶产品中相应的内螺牙，所述镶件10旋转时将沿着该内螺牙从所述塑胶产品中旋出，当所述镶件10完全从所述塑胶产品中旋出时，则实现所述镶件10与塑胶产品的分离，完成脱模。此后，若反向旋转所述传动齿轮32a，可使所述镶件10反向运动至与所述塑胶模具中的模仁紧密配合，若所述传动齿轮32a带动所述镶件10回转后与所述模仁配合不紧密，则可重复上述调整镶件10的过程来调整所述镶件10和所述模仁的紧密度。
本发明实施例提供的塑胶模具采用上述实施例所述的镶件结构4，与现有技术相比至少存在如下优点：
通过设置与镶件10配合的固定件20和调整件30，可以通过调整件30调整镶件10和固定件20的旋接距离来调整镶件10在模具中与其他部件的配合紧密度，从而在不拆除模具的情况下完成镶件10在模具中位置的矫正，防止飞边的情况产生，能有效提高生产效率；同时操作简单，方便塑胶模具的日常维护；此外，可保证每次的调整量能维持相同的水平，从而保证注塑产品的一致性。
显然，以上所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例，附图中给出了本发明的较佳实施例，但并不限制本发明的专利范围。本发明可以以许多不同的形式来实现，相反地，提供这些实施例的目的是使对本发明的公开内容的理解更加透彻全面。尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来而言，其依然可以对前述各具体实施方式所记载的技术方案进行修改，或者对其中部分技术特征进行等效替换。凡是利用本发明说明书及附图内容所做的等效结构，直接或间接运用在其他相关的技术领域，均同理在本发明专利保护范围之内。

Claims (18)

  1. 一种镶件结构，其特征在于，包括：
    镶件，所述镶件上设置有与外部部件配合的传动部；
    与所述镶件旋接且共轴的固定件，所述固定件外周设置有与外部部件配合的轴向限位部；
    带动所述固定件转动，以调整所述镶件和所述固定件的旋接距离的调整件；
    以及锁定所述调整件的锁定件。
  2. 根据权利要求1所述的镶件结构，其特征在于，所述固定件设置有第一轴向孔，所述镶件在所述调整件带动所述固定件旋转时可在所述第一轴向孔内旋进或旋出。
  3. 根据权利要求2所述的镶件结构，其特征在于，所述第一轴向孔为盲孔或者通孔，所述第一轴向孔的侧壁设置有内螺纹，所述镶件位于所述第一轴向孔内的一端设置外螺纹，所述镶件通过所述外螺纹和所述内螺纹与所述固定件啮合。
  4. 根据权利要求2所述的镶件结构，其特征在于，所述第一轴向孔为盲孔，所述第一轴向孔的底部设置有轴向的螺纹柱，所述螺纹柱与所述第一轴向孔共轴，所述镶件位于所述第一轴向孔内的一端设置有带内螺纹的第二轴向孔，所述镶件通过所述内螺纹与所述螺纹柱啮合。
  5. 根据权利要求3或4所述的镶件结构，其特征在于，所述第一轴向孔的内壁设置有卡位件，所述镶件位于所述第一轴向孔的部分对应设置有卡槽，所述镶件从所述第一轴向孔中旋出或旋出一定距离时，所述卡位件和所述卡槽配合产生到位感。
  6. 根据权利要求5所述的镶件结构，其特征在于，所述卡位件包括互相接触的弹性部和卡位部，所述第一轴向孔的内壁设置有径向沉孔，所述弹性部位于所述径向沉孔内，所述卡位部部分地位于所述径向沉孔内。
  7. 根据权利要求1所述的镶件结构，其特征在于，还包括限位件， 所述限位件配合所述传动部限定所述镶件与所述固定件的旋接距离。
  8. 根据权利要求1所述的镶件结构，其特征在于，所述固定部远离所述镶件的一端设置外螺纹部，所述调整件和所述锁定件为依次旋入所述外螺纹部的两个旋钮。
  9. 根据权利要求1所述的镶件结构，其特征在于，所述镶件为螺纹型芯。
  10. 一种塑胶模具，其特征在于，所述塑胶模具包括定模组件、动模组件，以及位于由所述定模组件和动模组件配合形成的型腔内的脱模组件和镶件结构，其中，所述脱模组件包括传动齿轮，所述传动齿轮与所述镶件结构中的镶件上的传动部配合；
    所述镶件结构包括：
    镶件，所述镶件上设置有与外部部件配合的传动部；
    与所述镶件旋接且共轴的固定件，所述固定件外周设置有与外部部件配合的轴向限位部；
    带动所述固定件转动，以调整所述镶件和所述固定件的旋接距离的调整件；
    以及锁定所述调整件的锁定件。
  11. 根据权利要求10所述的塑胶模具，其特征在于，所述固定件设置有第一轴向孔，所述镶件在所述调整件带动所述固定件旋转时可在所述第一轴向孔内旋进或旋出。
  12. 根据权利要求11所述的塑胶模具，其特征在于，所述第一轴向孔为盲孔或者通孔，所述第一轴向孔的侧壁设置有内螺纹，所述镶件位于所述第一轴向孔内的一端设置外螺纹，所述镶件通过所述外螺纹和所述内螺纹与所述固定件啮合。
  13. 根据权利要求11所述的塑胶模具，其特征在于，所述第一轴向孔为盲孔，所述第一轴向孔的底部设置有轴向的螺纹柱，所述螺纹柱与所述第一轴向孔共轴，所述镶件位于所述第一轴向孔内的一端设置有带内螺纹的第二轴向孔，所述镶件通过所述内螺纹与所述螺纹柱啮合。
  14. 根据权利要求12或13所述的塑胶模具，其特征在于，所述第一轴向孔的内壁设置有卡位件，所述镶件位于所述第一轴向孔的部分对应设置有卡槽，所述镶件从所述第一轴向孔中旋出或旋出一定距离时，所述卡位件和所述卡槽配合产生到位感。
  15. 根据权利要求14所述的塑胶模具，其特征在于，所述卡位件包括互相接触的弹性部和卡位部，所述第一轴向孔的内壁设置有径向沉孔，所述弹性部位于所述径向沉孔内，所述卡位部部分地位于所述径向沉孔内。
  16. 根据权利要求10所述的塑胶模具，其特征在于，还包括限位件，所述限位件配合所述传动部限定所述镶件与所述固定件的旋接距离。
  17. 根据权利要求10所述的塑胶模具，其特征在于，所述固定部远离所述镶件的一端设置外螺纹部，所述调整件和所述锁定件为依次旋入所述外螺纹部的两个旋钮。
  18. 根据权利要求10所述的塑胶模具，其特征在于，所述镶件为螺纹型芯。
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