CN111267294A - Solid-sealed polar pole forming die and forming method - Google Patents

Solid-sealed polar pole forming die and forming method Download PDF

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Publication number
CN111267294A
CN111267294A CN201911292969.XA CN201911292969A CN111267294A CN 111267294 A CN111267294 A CN 111267294A CN 201911292969 A CN201911292969 A CN 201911292969A CN 111267294 A CN111267294 A CN 111267294A
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CN
China
Prior art keywords
die
die head
side wall
head
insert sleeve
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
Application number
CN201911292969.XA
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Chinese (zh)
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CN111267294B (en
Inventor
王金洲
吴雪贞
林亮伟
陈澜
许清林
唐毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric Xiamen Switch Equipment Co ltd
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Schneider Electric Xiamen Switch Equipment Co ltd
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Priority to CN201911292969.XA priority Critical patent/CN111267294B/en
Publication of CN111267294A publication Critical patent/CN111267294A/en
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Publication of CN111267294B publication Critical patent/CN111267294B/en
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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
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
    • 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
    • B29C45/2608—Mould seals
    • 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
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/4005—Ejector constructions; Ejector operating mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C2045/2683—Plurality of independent mould cavities in a single mould
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Abstract

The invention discloses a forming die and a forming method for an embedded pole, which comprise a fixed die plate, a die head and a die head insert sleeve, wherein the fixed die plate is provided with a die cavity, the die head and an embedded pole terminal are locked together to form a core assembly, the core assembly is inserted into the die cavity from front to back along the longitudinal direction, the die head insert sleeve is arranged in the die cavity and sleeves the die head, a sealing ring is arranged between the die head insert sleeve and the die head, opposite inclined planes are formed between the inner side wall of the die head insert sleeve and the outer side wall of the die head, the two inclined planes are matched to clamp the sealing ring, and the forming die further comprises a locking rod which is inserted into the die head together to limit the die head in the longitudinal direction. According to the die, the sealing ring is clamped through the matching of the two inclined surfaces, the longitudinal movement of the die head is limited through the lock rod, the structure is simple, the service life of the die is long, the product performance is more stable, and the production efficiency is improved.

Description

Solid-sealed polar pole forming die and forming method
Technical Field
The invention relates to a forming die and a forming method for a solid-sealed polar pole.
Background
When the existing solid-sealed polar pole mold is formed, a mold head and a terminal are locked together by a screw rod and then are placed in a mold cavity, an insert rod with an inclined surface is driven into the mold, and the terminal is positioned in the mold cavity through the matching between the inclined surface of the insert rod and a guide groove on the screw rod. Specifically, a guide groove is arranged at the part of the screw rod extending out of the die cavity, then the inserted rod is inserted into the guide groove, the inclined surface of the inserted rod is matched with the side wall of the guide groove to push the screw rod to move towards the direction far away from the die cavity, and therefore the terminal is tensioned and fixed in place; and when the mold is opened, the inserted bar is taken out, the inserted bar is turned for 180 degrees and then inserted into the guide groove again, the inclined surface of the inserted bar is matched with the side wall on the other side of the guide groove to push the screw rod to move towards the direction of the mold cavity, and the terminal is pushed out.
In practice, in the production process, the fact that the inserted bar can be driven to tighten or eject the screw rod only by applying large knocking force frequently on the inserted bar is found, the labor intensity is high, safety accidents are easy to cause, and the inside of a product is easy to store stress to cause cracking; in addition, the inserted link needs a large transverse force to drive the screw rod to move longitudinally, and the inserted link is tightly matched with the screw rod, so that only one screw rod can be driven, the number of die cavities of the die is limited, the die only has two cavities at most, and the production efficiency is low; moreover, the collision strength between the inclined surface of the inserted rod and the screw rod is high, so that parts are easily damaged, and product defects are caused.
Disclosure of Invention
The invention provides a forming die and a forming method for a solid-sealed polar pole, which are safe and efficient to produce, have long service life and stable product quality. The technical scheme adopted by the invention for solving the technical problems is as follows:
the solid-sealed pole forming die comprises a fixed die plate, a die head and a die head insert sleeve, wherein the fixed die plate is provided with a die cavity, the die head and a solid-sealed pole terminal are locked together to form a core assembly, the core assembly is longitudinally inserted into the die cavity from front to back, the die head insert sleeve is arranged in the die cavity and sleeves the die head, a sealing ring is arranged between the die head insert sleeve and the die head, opposite inclined planes are formed between the inner side wall of the die head insert sleeve and the outer side wall of the die head, the two inclined planes are matched to clamp the sealing ring, and the die head is limited by inserting the locking rod and the die head together.
According to the forming method of the solid-sealed polar pole, a die head and a solid-sealed polar pole terminal are locked together and then are placed into a die cavity from front to back along the longitudinal direction, a die head insert in the die cavity sleeves the die head, inclined planes which are opposite to each other are formed between the inner side wall of the die head insert sleeve and the outer side wall of the die head and matched with a clamping sealing ring, and a locking rod is inserted into the die head to limit the die head to move along the longitudinal direction; when demoulding, the lock rod is drawn out first, and then the pushing block pushes the die head from back to front along the longitudinal direction.
Compared with the background technology, the technical scheme has the following advantages:
1. because the inclined planes which are opposite to each other are formed between the inner side wall of the die head insert sleeve and the outer side wall of the die head and are matched with each other to clamp the sealing ring, the sealing ring can be well sealed to prevent glue leakage, and meanwhile, the two inclined planes are closer to each other along with the increase of the pressure of the die cavity, and the sealing effect is better.
2. After the sealing washer is cliied on two inclined planes, through the locking lever with the die head is pegged graft, restricts the die head removes, just can guarantee the precision of two inclined plane shaping positions, simple structure not only, in addition only need block the die head alright, need not exert fore-and-aft pulling force to the die head, the flexible flexibility of locking lever, convenient operation need not strike the locking lever by force, production safety can avoid the inside production stress of product, makes product property ability more stable to the mould is longe-lived, only need regularly change the sealing washer alright.
3. The locking rod longitudinally limits the die head, but does not need to longitudinally pull the die head, the locking rod is flexible, a plurality of die cavities can be arranged on the fixed die plate, the locking rod can be matched with the die head in the plurality of die cavities for use, namely, a plurality of products can be simultaneously formed on the fixed die plate, and the production efficiency is greatly improved.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a schematic cross-sectional view illustrating a mold for molding a sealed terminal according to the present invention.
Fig. 2 is a partial perspective view of the embedded pole forming mold shown in fig. 1.
Detailed Description
Referring to fig. 1 and 2, the mold for molding the embedded pole comprises a fixed mold plate 10, a mold head 20 and a mold head insert sleeve 30, wherein the fixed mold plate 10 is provided with a mold cavity, the mold head 20 and the embedded pole terminal 40 are locked together to form a core assembly, and the core assembly is longitudinally inserted into the mold cavity from front to back. The die head insert set 30 is disposed in the die cavity and surrounds the die head 20, and a seal ring 50 is disposed between the die head insert set 30 and the die head 20. The inner side wall 32 of the die insert set 30 and the outer side wall 22 of the die 20 form mutually opposite inclined surfaces which are matched to clamp the sealing ring 50. And the locking rod 60 is inserted with the die head 20 so as to limit the die head 20 in the longitudinal direction.
Preferably, the inner side wall of the die insert set 30 is clearance fit with the outer side wall of the die 20; the lock bar 60 is clearance fit with the die head 20. In fact, the sealing ring 50 is clamped by two inclined planes, the sealing ring 50 can prevent glue leakage between the two inclined planes, and the two inclined planes do not collide and jam. Similarly, locking bar 60 merely holds die 20 to prevent cross-head 20 from moving longitudinally, locking bar 60 does not need to pull die 20 longitudinally, nor does locking bar 60 jam with die 20.
The die head is characterized by further comprising a limiting block 70, wherein the limiting block 70 is arranged on one side of the bottom surface of the fixed die plate 10, namely the side opposite to the parting surface, and the end surface of the die head 20 is propped against the limiting block 70. Therefore, during assembly, the core assembly is inserted into the mold cavity from front to back along the longitudinal direction, and as long as the mold head 20 abuts against the limiting block 70, the core assembly is assembled in place, so that the assembly precision can be effectively ensured. In addition, during the molding process, the pressure of the mold cavity is increased, and the limiting block 70 can also prevent the mold core assembly from moving forward, so that the two inclined surfaces and the fit clearance between the locking rod 60 and the mold head 20 are ensured.
Preferably, the inner side wall of the die insert set 30 and the outer side wall of the die 20 are conical surfaces. In this embodiment, the outer sidewall of the die head 20 is provided with an embedded groove corresponding to the sealing ring 50, so as to facilitate the installation and positioning of the sealing ring 50.
Preferably, the die head 20 further comprises a screw (not shown), the die head 20 is locked with the embedded pole terminal 40 through the screw, and the screw penetrates through the center of the die head 20, so that the die head 20 is convenient to assemble and disassemble.
A clamping groove 24 is formed on the die head 20, and the locking rod 60 is inserted into the clamping groove 24 so as to longitudinally limit the die head 20. The clamping grooves 24 are formed in the side wall of the die head 20, two clamping grooves 24 are formed in the die head and are arranged in an up-down symmetrical mode, and the locking rods 60 are matched with the clamping grooves 24 one by one. The clamping groove 24 is formed on the outer side wall, so that the forming is easy, and the clamping groove is convenient to be inserted into the locking rod 60. The locking rod 60 can also be inserted into the fixed template 10, so that the locking rod 60 is directly inserted into the fixed template 10 in a sliding manner, and the locking rod 60 is convenient to install.
The die head structure further comprises a push block 80 arranged on one side of the bottom surface of the fixed die plate 10, the push block 80 is arranged corresponding to the die head 20, and when the die head 20 is demolded, the push block 80 pushes the die head 20 from back to front along the longitudinal direction. The pusher 80 pushes the die 20 longitudinally and requires only a small force to push out the die 20. Preferably, the pushing block 80 is an eccentric wheel structure, and further includes a rotating shaft 90 for driving the pushing block 80 to rotate.
When in production and molding:
in the mold opening state, the mold head 20 and the solid-sealed pole terminal 40 are locked together and then are placed into the mold cavity from front to back along the longitudinal direction, the mold head insert sleeve 30 in the mold cavity just covers the mold head 20, and meanwhile, the sealing ring 50 is clamped between the inner side wall of the mold head insert sleeve 30 and the outer side wall of the mold head 20 in a matching manner; then, the locking rod 60 is inserted into the die head 20 to limit the longitudinal movement of the die head 20; injecting glue and cooling for molding after die assembly; and demolding is carried out after the mold is opened, the lock rod 60 is drawn out, then the rotating shaft 90 drives the pushing block 80 to rotate, finally the pushing block 80 pushes the die head 20 along the longitudinal direction, and the die head 20 is dismounted after a product is taken down.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents.

Claims (10)

1. Gu seal utmost point post forming die, including fixed die plate, die head and die head insert cover, the fixed die plate is equipped with the die cavity, the die head is locked together and is become the core assembly with gu seal utmost point post terminal, the core assembly is along vertically by going to the back insert put in the middle of the die cavity, its characterized in that: the die head insert sleeve is arranged in the die cavity and sleeves the die head, a sealing ring is arranged between the die head insert sleeve and the die head, opposite inclined planes are formed between the inner side wall of the die head insert sleeve and the outer side wall of the die head, the two inclined planes are matched to clamp the sealing ring, and the locking rod is inserted into the die head so as to limit the die head in the longitudinal direction.
2. The embedded pole forming die of claim 1, wherein: the inner side wall of the die head insert sleeve is in clearance fit with the outer side wall of the die head; the lock rod and the die head are in clearance fit.
3. The embedded pole forming die of claim 2, wherein: the die head is characterized by further comprising a limiting block, wherein the limiting block is arranged on one side of the bottom surface of the fixed die plate, and the end surface of the die head is abutted against the limiting block.
4. The embedded pole forming die of claim 1 or 2, wherein: the inner side wall of the die head insert sleeve and the outer side wall of the die head are conical surfaces; and an embedded groove is formed in the outer side wall of the die head corresponding to the sealing ring.
5. The embedded pole forming die of claim 1, wherein: the die head is locked with the solid-sealed pole terminal through the screw rod.
6. The embedded pole forming die of claim 1, wherein: the die head is provided with a clamping groove, and the locking rod is inserted into the clamping groove so as to limit the die head in the longitudinal direction; the two clamping grooves are symmetrically arranged up and down; the lock rods are matched with the clamping grooves one by one.
7. The embedded pole forming die of claim 6, wherein: the lock rod is inserted with the fixed template.
8. The embedded pole forming die of claim 1, wherein: the die head is characterized by further comprising a pushing block arranged on one side of the bottom surface of the fixed die plate, the pushing block is arranged corresponding to the die head, and the pushing block is longitudinally pushed out of the die head from back to front during demolding.
9. The embedded pole forming die of claim 8, wherein: the push block is of an eccentric wheel structure and further comprises a rotating shaft for driving the push block to rotate.
10. According to the solid-sealed polar pole forming method, the die head and the solid-sealed polar pole terminal are locked together and then are longitudinally placed into the die cavity from the front to the back, and the solid-sealed polar pole forming method is characterized in that: the die head insert in the die cavity sleeves the die head, inclined planes which are opposite to each other are formed between the inner side wall of the die head insert sleeve and the outer side wall of the die head and matched with a clamping sealing ring, and the locking rod is spliced with the die head to limit the longitudinal movement of the die head; when demoulding, the lock rod is drawn out first, and then the pushing block pushes the die head from back to front along the longitudinal direction.
CN201911292969.XA 2019-12-16 2019-12-16 Solid-sealed polar pole forming die and forming method Active CN111267294B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911292969.XA CN111267294B (en) 2019-12-16 2019-12-16 Solid-sealed polar pole forming die and forming method

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Application Number Priority Date Filing Date Title
CN201911292969.XA CN111267294B (en) 2019-12-16 2019-12-16 Solid-sealed polar pole forming die and forming method

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CN111267294A true CN111267294A (en) 2020-06-12
CN111267294B CN111267294B (en) 2022-07-08

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0075042A2 (en) * 1981-09-23 1983-03-30 Discovision Associates Hot sprue assembly for an injection molding machine
US5030076A (en) * 1988-09-19 1991-07-09 Engel Maschinenbau Gesellschaft M.B.H. Injection die for injecting two components
CN2432390Y (en) * 2000-08-04 2001-05-30 四川石油管理局成都总机械厂 Sealing device for rock-breaking hobbing-cutter
CN102044354A (en) * 2009-10-14 2011-05-04 Abb技术股份公司 Method for manufacturing post terminal part of circuit breaker
CN104044238A (en) * 2013-03-14 2014-09-17 上海雷博司电气股份有限公司 Fixing device for solid-sealed polar pole outlet seat in mold
CN204076677U (en) * 2014-10-16 2015-01-07 麦克奥迪（厦门）电气股份有限公司 A kind of double-fracture pole mould
CN208827025U (en) * 2018-09-28 2019-05-07 厦门耐德电气有限公司 A kind of pole demolding structure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0075042A2 (en) * 1981-09-23 1983-03-30 Discovision Associates Hot sprue assembly for an injection molding machine
US5030076A (en) * 1988-09-19 1991-07-09 Engel Maschinenbau Gesellschaft M.B.H. Injection die for injecting two components
CN2432390Y (en) * 2000-08-04 2001-05-30 四川石油管理局成都总机械厂 Sealing device for rock-breaking hobbing-cutter
CN102044354A (en) * 2009-10-14 2011-05-04 Abb技术股份公司 Method for manufacturing post terminal part of circuit breaker
CN201868280U (en) * 2009-10-14 2011-06-15 Abb技术股份公司 Equipment for manufacturing pole part of circuit breaker
CN104044238A (en) * 2013-03-14 2014-09-17 上海雷博司电气股份有限公司 Fixing device for solid-sealed polar pole outlet seat in mold
CN204076677U (en) * 2014-10-16 2015-01-07 麦克奥迪（厦门）电气股份有限公司 A kind of double-fracture pole mould
CN208827025U (en) * 2018-09-28 2019-05-07 厦门耐德电气有限公司 A kind of pole demolding structure

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