CN109093945A - A kind of motor master gear die for processing - Google Patents

A kind of motor master gear die for processing Download PDF

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Publication number
CN109093945A
CN109093945A CN201811284358.6A CN201811284358A CN109093945A CN 109093945 A CN109093945 A CN 109093945A CN 201811284358 A CN201811284358 A CN 201811284358A CN 109093945 A CN109093945 A CN 109093945A
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CN
China
Prior art keywords
gear
plate
die
lower mold
mold body
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Granted
Application number
CN201811284358.6A
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Chinese (zh)
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CN109093945B (en
Inventor
濮祥真
张建国
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NANTONG HESHUO ELECTRONICS CO Ltd
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NANTONG HESHUO ELECTRONICS CO Ltd
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Priority to CN201811284358.6A priority Critical patent/CN109093945B/en
Publication of CN109093945A publication Critical patent/CN109093945A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • B29C45/332Mountings or guides therefor; Drives therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2001/00Articles provided with screw threads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2015/00Gear wheels or similar articles with grooves or projections, e.g. control knobs
    • B29L2015/003Gears

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The present invention provides a kind of motor master gear die for processing, are related to automobile motor accessory technical field, it is intended to accelerate the depanning efficiency and Forming Quality of master gear.Its drip irrigation device is, including upper die body and lower mold body, and upper die body and lower mold body side close to each other are respectively equipped with internal model and core insert, shape forming cavity between upper internal model and core insert;It is characterized by: linear array there are several thread cores being vertically arranged in lower mold body, the nut being threadedly coupled with thread core is fixed in lower mold body, the upper end of thread core is located in core insert;The lateral wall of upper die body, which is fixed with, to be vertically arranged and the perforative swivel nut in both ends, and locating rotation is equipped with the screw rod being vertically arranged on the lateral wall of lower mold body, and screw flight is connected in swivel nut;Transmission mechanism is equipped between screw rod and thread core.Thread core is rotated from master gear while die sinking and is exited by the present invention, and the processing to internal screw thread on master gear is realized during exiting.

Description

A kind of motor master gear die for processing
Technical field
The present invention relates to automobile motor accessory technical field more particularly to a kind of motor master gear die for processing.
Background technique
In the motor with an automatic light meter that automobile headlamp uses, it is fixed with band internal thread master gear, which is being molded When processing, need to process internal screw thread.Master gear processing mold used in the prior art, by setting thread core in mold Form the internal screw thread in master gear;But in die sinking, cannot directly be opened, otherwise drive thread core to moving down in lower mold body When dynamic, the internal screw thread in master gear can be drawn bad.
To solve the above-mentioned problems, the Chinese patent that Authorization Notice No. is CN104647699B discloses a kind of for making The injection mold of internal screw thread knob, top clamping plate are connect with stripper plate, and stripper plate is connect with solid plate, and solid plate is equipped with Preceding internal model, solid plate are connect with moving template, and moving template is equipped with rear internal model, and moving template is connect with push plate, and push plate and support plate connect Connect, support plate is connect with thread core bottom plate, and thread core bottom plate is connect with Bottom clamp plate, preceding internal model, rear internal model, moving template, It is equipped with thread core between push plate and support plate, main transmission is equipped between push plate, support plate, thread core bottom plate and Bottom clamp plate Gear.Hydraulic motor drives main drive gear, and main drive gear drives thread core, and the thread head of thread core is divided into type In chamber, classification spring mechanism is set between solid plate, moving template and push plate.Above-mentioned injection mold provides screw thread by hydraulic motor The stable rotary power of type core, thread core are detached from from internal screw thread knob plastic product by rotary motion.
But above-mentioned injection mold, in die sinking, solid plate is motionless first, moving template is realized far from solid plate and is opened, so After reuse hydraulic motor system driving thread core rotation, internal screw thread knob is detached from from thread core.It first opens in this way Mould separates product again, and the time comparatively spent is more, and efficiency is lower.
Summary of the invention
The object of the present invention is to provide a kind of motor master gear die for processing, can be while die sinking by screw-type Core is detached from master gear, and comes out the internal thread machining in master gear during it rotates and is detached from master gear, Greatly improve master gear injection molding production efficiency.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of motor master gear die for processing, including upper die body and lower mold body, the upper die body and lower mold body are mutually leaned on Close side is respectively equipped with internal model and core insert, shape forming cavity between the upper internal model and core insert;The lower mold body interior lines Property array has several thread cores being vertically arranged, and the nut being threadedly coupled with thread core is fixed in the lower mold body, institute The upper end for stating thread core is located in core insert;The lateral wall of the upper die body, which is fixed with, to be vertically arranged and the perforative spiral shell in both ends It covers, locating rotation is equipped with the screw rod being vertically arranged on the lateral wall of the lower mold body, and the screw flight is connected in swivel nut; Transmission mechanism is equipped between the screw rod and thread core.
By using above-mentioned technical proposal, for injection molding machine to the intracavitary injection raw material of type, master gear is in the intracavitary molding of type and covers Outside thread core.When die sinking, injection molding machine drives upper die body and lower mold body to move to direction is located remotely from each other, and is opened.In upper mold While body and lower mold body move, under the threaded connection effect of screw rod and swivel nut, screw rod on one side with lower mold body retrogressing while Self poisoning rotation.During screw rod rotation, thread core rotation is driven by transmission mechanism.At this point, in thread core Under the threaded connection effect of nut, thread core rotates an edge on one side, and it slides axially, to detach from master gear Come, while being come out in rotation process by the internal thread machining of master gear.The above process greatly improves master gear injection molding life Produce efficiency.
Further, the transmission mechanism includes the gear wheel for being arranged and being installed in screw rod lower end with screw coaxial, described Thread core lower end is connected with coaxially setting and locating rotation is mounted on the intracorporal pinion gear of lower die, the gear wheel and small It is equipped with locating rotation between gear and is mounted on the intracorporal transmission gear of lower die.
By using above-mentioned technical proposal, gear wheel locating rotation with the rotation of screw rod is made in the transmission of transmission gear Under, pinion rotation is driven.When pinion rotation, the thread core being clamped with it is driven to rotate;At this point, thread core with Under the threaded connection effect of nut, realize that thread core moves along its axis release master gear while rotating, and by main tooth Internal thread machining in wheel comes out, and structure is simple and effect is obvious.
Further, the transmission gear include the first gear engaged with gear wheel and engaged with pinion gear second Gear, and the first gear and second gear intermeshing.
By using above-mentioned technical proposal, gear wheel drives first gear rotation, and first gear drives second gear rotation, Second gear drives pinion rotation.Using stage-geared, while guaranteeing transmission ratio, gear wheel, small is effectively reduced The size of gear, transmission gear reduces its space occupied, reduces the requirement to lower mold body volume, structure is simple, and effect is bright It is aobvious.
Further, it is equipped with thimble panel and Ejector Retainer Plate in the lower mold body, is fixed with and is arranged on the thimble panel Push pipe outside thread core;The upper surface of the thimble panel is installed with the push back pin being vertically arranged, the Ejector Retainer Plate Lower end surface is fixed with the mandril being vertically arranged.
By using above-mentioned technical proposal, after die sinking, the top roller on injection molding machine is protruded into lower mold body, the lower end surface with mandril It abutting, top roller pushes up Ejector Retainer Plate and thimble panel together, and push pipe, which is moved up to, ejects core insert for master gear, from And master gear is taken out.When molding, under the mutual thrust of upper die body and lower mold body, push back pin is by thimble panel and thimble Bottom plate pushes back reset, realizes the reset to push pipe.
Further, the lower mold body includes lower plate and the mould framing plate above lower plate, the mould framing plate Gear box plates are equipped between lower plate, the first gear, second gear and the equal locating rotation of pinion gear are mounted on gear-box In plate.
By using above-mentioned technical proposal, first gear, second gear and pinion gear locating rotation are mounted on gear-box In plate, so during installation, it is only necessary to guarantee first gear and gear wheel engagement, thread core and pinion gear clamping, side Just Fast Installation.
Further, backing plate, and the lower plate, gear box plates, pad are equipped between the gear box plates and mould framing plate It is detachably connected between plate and mould framing plate.
By using above-mentioned technical proposal, gear box plates are effectively protected in backing plate, are avoided due in gear box plates The structure at end is overweight and damages gear box plates by pressure, guarantees making for gear box plates and transmission gear in gear box plates and pinion gear Use the service life.Be detachably connected between lower plate, gear box plates, backing plate and mould framing plate, it is convenient to lower plate, gear box plates, Backing plate, mould framing plate are overhauled or are replaced.
Further, the swivel nut lower end is equipped with the boss that extends internally, and the screw tip is equipped with to be cooperated with boss Spacing collar.
By using above-mentioned technical proposal, under position-limiting action of the boss to spacing collar, screw rod in the process of die sinking is avoided It is detached from from swivel nut, influences to reset threaded mandrel when molding, structure is simple, and effect is obvious.
Further, the screw rod bottom is connected with the positioning bearing seat for being detachably fixed and being mounted in lower mold body, described It is rolled in positioning bearing seat and several taper rollers for being disposed around screw rod periphery is installed.
By using above-mentioned technical proposal, under the action of positioning bearing seat, realization exists the detachable location and installation of screw rod In lower mold body.Wherein, the taper roller that screw rod periphery is disposed around in positioning bearing seat can make positioning bearing seat receiving very big Device service life is effectively ensured in axial load, shortens the replacement cycle of positioning bearing seat.
Further, the upper die body side is detachably fixed the pressing plate for being equipped with and engaging with swivel nut;The pressing plate inner wall The fixture block of evagination is offered, the outer wall of the swivel nut is equipped with the card slot cooperated with fixture block.
By using above-mentioned technical proposal, swivel nut is detachably fixed by realization to be mounted on upper die body, is facilitated of the invention Assembly.Wherein, it under the mating reaction of fixture block and card slot, avoids generating relative movement between swivel nut and upper die body and pressing plate, Guarantee the stability that swivel nut is fixedly mounted.
Further, the upper die body upper surface is equipped with positioning ring, corresponds to each thread core position in the upper internal model Equipped with spot pouring mouth, feeding pipe is communicated between the positioning ring and spot pouring mouth.
By using above-mentioned technical proposal, under the action of positioning ring, guarantee that the pouring nozzle of injection molding machine being capable of smooth and sheet Invention engaging.Coupler of the raw material from positioning ring is entered that type is intracavitary to be carried out pouring journey by injection molding machine via feeding pipe from spot pouring mouth Sequence, structure is simple, facilitates operation, and effect is obvious.
In conclusion the invention has the following advantages:
1, by fixing the perforative swivel nut in both ends on upper die body, locating rotation installation is threaded in spiral shell in lower mold body Screw rod in set, thread core pass through biography in being fixed on upper mold intracorporal nut thread connection between thread core and screw rod Dynamic mechanism driving, so that thread core is rotated an edge on one side, it slides axially, and detaches from master gear, while rotating Journey comes out by the internal thread machining of master gear, greatly improves master gear injection molding production efficiency;
2, by the way that push pipe is arranged in lower mold body, convenient to eject master gear from core insert after die sinking, structure is simple And facilitate operation, improve master gear depanning efficiency.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of motor master gear die for processing, for embodying molding state;
Fig. 2 is a kind of cross-sectional view of motor master gear die for processing;
Fig. 3 is a kind of part-structure sectional view of motor master gear die for processing;
Fig. 4 is a kind of partial structure diagram of motor master gear die for processing;
Fig. 5 is a kind of overall structure diagram of motor master gear die for processing, for embodying die opening state.
In figure, 1, upper die body;2, lower mold body;3, top panel;31, positioning ring;4, mould bases panel;41, upper mold cavity plate;5, on Internal model;51, spot pouring mouth;52, feeding pipe;6, core insert;7, thread core;71, pinion gear;72, nut;8, push pipe;81, thimble Panel;811, push back pin;82, Ejector Retainer Plate;821, mandril;9, mould framing plate;91, lower die cavity plate;92, cushion block;10, backing plate; 11, gear box plates;111, first gear;112, second gear;12, lower plate;13, screw rod;131, spacing collar;132, canine tooth Wheel;133, positioning bearing seat;1331, taper roller;14, swivel nut;141, boss;142, pressing plate;1421, fixture block;143, card slot.
Specific embodiment
Below in conjunction with drawings and examples, the present invention will be described in further detail.It should be appreciated that described herein Specific examples are only used to explain the present invention, is not intended to limit the present invention.
A kind of motor master gear die for processing, referring to Fig.1, including upper die body 1 and lower mold body 2, upper die body 1 include from upper Plate 3, mould bases panel 4 and upper mold cavity plate 41 the upper surface of are set gradually under;Lower mold body 2 includes the bottom set gradually from bottom to up Plate 12, mould framing plate 9 and lower die cavity plate 91.Referring to Fig. 2, it is equipped with the upper internal model 5 that Open Side Down in the lower end surface of upper mold cavity plate 41, Spot pouring mouth 51 is equipped in upper internal model 5.In the core insert that the upper surface of lower die cavity plate 91 is equipped with opening upwards and cooperates with upper internal model 5 6;Shape forming cavity between upper internal model 5 and core insert 6.Referring to Figures 1 and 2, wherein for convenience by the pouring nozzle hole irrigation of injection molding machine Mouth 51 is equipped with positioning ring 31 in the center of top panel 3, and being equipped between positioning ring 31 and spot pouring mouth 51 makes it be interconnected Feeding pipe 52.
Referring to Fig.1, be detachably fixed on one of them the side side wall along its length of top panel 3 be equipped with it is vertical Setting and the perforative swivel nut 14 in both ends, swivel nut 14 is equipped with far from the side of top panel 3 to be cooperated with it and by screw (non-table in figure Show) pressing plate 142 that is fixed in the above on plate 3, it is realized under the mating reaction of pressing plate 142 and top panel 3 and is fixed on swivel nut 14 On top panel 3.Referring to Fig. 3, wherein the fixture block 1421 that evagination is offered on the inner wall of pressing plate 142, on the outer wall of swivel nut 14 Equipped with the card slot 143 cooperated with fixture block 1421.In fixture block 1421 under the position-limiting action of card slot 143, avoiding swivel nut 14 and above It is relatively moved between plate 3 and pressing plate 142, guarantees that swivel nut 14 is fixedly mounted on the stability on top panel 3.
Referring to Fig. 2, locating rotation is equipped with vertically on one of them the side side wall along its length of lower plate 12 The screw rod 13 of setting, and screw rod 13 is threaded in swivel nut 14.Wherein screw rod 13 is to realize to position by positioning bearing seat 133 It is rotatably installed on lower plate 12, positioning bearing seat 133 is detachably fixed by bolt (not shown) and is mounted on bottom On plate 12.Meanwhile referring to Fig. 3, interior roll of positioning bearing seat 133 is equipped with several taper rollers for being disposed around 13 periphery of screw rod 1331, the axial load of positioning bearing seat 133 can be greatlyd improve in this way, guarantees its service life, shorten positioning bearing seat 133 replacement cycle.
Referring to Fig. 3, wherein the boss 141 to extend internally is equipped in the lower end of swivel nut 14, be equipped at the top of screw rod 13 with it is convex The spacing collar 131 that platform 141 cooperates.It is de- from swivel nut 14 to screw rod 13 under the position-limiting action of spacing collar 131, is avoided in boss 141 It separates out and.In addition spacing collar 131 is to be detachably secured to the top of screw rod 13 by screw (in figure unmarked), in this way can be with Screw rod 13 is installed in swivel nut 14 below swivel nut 14, spacing collar 131 is then fixed to screw rod 13 above swivel nut 14 again On, it is more convenient assembly of the invention.
Referring to Fig. 2, linear array has several thread cores 7 being vertically arranged, reference along its length in lower mold body 2 Fig. 2 and Fig. 4, in the present embodiment, 7 linear array of thread core are equipped with four, and the upper end is protruded into core insert 6, every spiral shell Line type core 7 is all corresponding with a spot pouring mouth 51.Referring to Fig. 2 and Fig. 4, it is threaded with and is fixed on outside every thread core 7 Nut 72 in mould framing plate 9.Transmission mechanism is equipped between screw rod 13 and thread core 7, screw rod 13 passes through biography in rotation Motivation structure drives the synchronous rotation of thread core 7.
Referring to Fig. 2, injection molding machine flows to type chamber from spot pouring mouth 51 via feeding pipe 52 to the intracavitary injection raw material of type, raw material respectively Interior, master gear is in the intracavitary molding of type and covers outside thread core 7.Referring to Fig. 2 and Fig. 5, when die sinking, injection molding machine drives upper die body 1 It moves, is opened to direction is located remotely from each other with lower mold body 2.While upper die body 1 and lower mold body 2 move, in 13 He of screw rod Under the threaded connection effect of swivel nut 14, screw rod 13 selfs poisoning rotation on one side as lower mold body 2 retreats while.It is rotated in screw rod 13 During, drive thread core 7 to rotate by transmission mechanism.At this point, the threaded connection in thread core 7 and nut 72 acts on Under, thread core 7 rotates an edge on one side, and it slides axially, to detach from master gear.Meanwhile in thread core 7 Rotation process comes out by the internal thread machining of master gear.The above process is while die sinking by thread core 7 from master gear It takes out, and the internal screw thread of simultaneous processing master gear, greatly improves the injection molding production efficiency of master gear.
Drive thread core 7 with its synchronous rotation while screw rod 13 rotates to realize, referring to Fig. 2, transmission mechanism Gear wheel 132 including 13 lower end of screw rod is coaxially disposed and be installed in screw rod 13, is connected with every 7 lower end of thread core Coaxially it is arranged and locating rotation is mounted on the pinion gear 71 in lower mold body 2, it is fixed to be equipped between gear wheel 132 and pinion gear 71 Position is rotatably installed in the transmission gear in lower mold body 2.Referring to Fig. 2, transmission gear includes the first gear engaged with gear wheel 132 111 and the second gear 112 that is engaged with pinion gear 71, and first gear 111 and second gear 112 are intermeshed.Referring to figure 4, in the present embodiment, one second gear 112 of engagement, two second gears 112 are common jointly for adjacent pinion gear 71 two-by-two A first gear 111 is engaged, the quantity of transmission gear is reduced, and reduces its volume occupied.
In the present embodiment, in order to facilitate the installation of transmission gear, referring to Fig. 2 and Fig. 4, in lower plate 12 and mould framing plate It is detachably fixed between 9 by bolt (not shown) and gear box plates 11 is installed, and first gear 111, second gear 112 And pinion gear 71 is mounted in gear box plates 11 by bearing block (not shown) locating rotation, and thread core 7 is logical It crosses spline (not shown) and pinion gear 71 is clamped.Referring to Fig.1 or Fig. 2, in addition, gear box plates 11 and mould framing plate 9 it Between backing plate 10 is detachably also equipped with by bolt (not shown), realize to gear box plates 11 and transmission gear and small tooth The protection of wheel 71.
Master gear is taken out out of core insert 6 in order to facilitate after thread core 7 is detached from master gear, is joined It is equipped between lower die cavity plate 91 and mould framing plate 9 according to Fig. 2 and is symmetrically arranged with cushion block 92, vertical sliding is pacified between two cushion blocks 92 Equipped with the thimble panel 81 and Ejector Retainer Plate 82 being set in outside thread core 7.Referring to Fig. 2, set is fixed on thimble panel 81 The push pipe 8 being located at outside thread core 7.Referring to Fig. 4, in the case where the upper surface of thimble panel 81 is installed with and is vertically arranged and can pass through The push back pin 811 of mold cavity plate 91 is fixed with the mandril for being vertically arranged and passing through gear box plates 11 in the lower end surface of Ejector Retainer Plate 82 821。
Referring to Fig. 2 and Fig. 4, after die sinking, the top roller on injection molding machine protrudes into lower plate 12 and abuts with the lower end surface of mandril 821, Top roller pushes up Ejector Retainer Plate 82 and thimble panel 81 together, and push pipe 8, which is moved up to, ejects core insert 6 for master gear, To which master gear be taken out.When molding, under the mutual thrust of upper die body 1 and lower mold body 2, push back pin 811 is by thimble face Plate 81 and Ejector Retainer Plate 82 push back reset, realize the reset to push pipe 8.In this way without manually taking out master gear, greatly The depanning efficiency of master gear is accelerated, it is convenient and easy.
The working principle of the invention and application method:
When die sinking, injection molding machine drives upper die body 1 and lower mold body 2 to move to direction is located remotely from each other, and 13 one side of screw rod is under Die body 2 retreats the rotation of one side self poisoning.During screw rod 13 rotates, thread core 7 is driven to rotate by transmission mechanism. At this point, thread core 7 rotates an edge on one side, and it slides axially under the threaded connection effect of thread core 7 and nut 72, from And it is detached from master gear.Meanwhile it being come out in 7 rotation process of thread core by the internal thread machining of master gear.Die sinking Afterwards, the top roller on injection molding machine protrudes into lower plate 12 and abuts with the lower end surface of mandril 821, and push pipe 8 is pushed up, push pipe 8 to On move to by master gear eject core insert 6, so that master gear be taken out.When molding, in the mutual of upper die body 1 and lower mold body 2 Under thrust, thimble panel 81 and Ejector Retainer Plate 82 are pushed back reset by push back pin 811, realize the reset to push pipe 8.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office Be limited to form disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations, modification and Environment, and can be changed within that scope of the inventive concept describe herein by the above teachings or related fields of technology or knowledge It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention In scope of protection of the claims.

Claims (10)

1. a kind of motor master gear die for processing, including upper die body (1) and lower mold body (2), the upper die body (1) and lower mold body (2) side close to each other is respectively equipped with internal model (5) and core insert (6), shape between the upper internal model (5) and core insert (6) Forming cavity;It is characterized by: the interior linear array of the lower mold body (2) has several thread cores (7) being vertically arranged, the lower die It is fixed with the nut (72) being threadedly coupled with thread core (7) in body (2), the upper end of the thread core (7) is located at core insert (6) in;The lateral wall of the upper die body (1), which is fixed with, to be vertically arranged and the perforative swivel nut in both ends (14), the lower mold body (2) Locating rotation is equipped with the screw rod (13) being vertically arranged on lateral wall, and the screw rod (13) is threaded in swivel nut (14);Institute It states and is equipped with transmission mechanism between screw rod (13) and thread core (7).
2. a kind of motor master gear die for processing according to claim 1, it is characterised in that: the transmission mechanism includes The gear wheel (132) of screw rod (13) lower end is coaxially disposed and is installed in screw rod (13), and thread core (7) lower end is connected with Coaxially it is arranged and locating rotation is mounted on the pinion gear (71) in lower mold body (2), the gear wheel (132) and pinion gear (71) it is equipped with locating rotation between and is mounted on the transmission gear in lower mold body (2).
3. a kind of motor master gear die for processing according to claim 2, it is characterised in that: the transmission gear includes The first gear (111) engaged with gear wheel (132) and the second gear (112) engaged with pinion gear (71), and described One gear (111) and second gear (112) intermeshing.
4. a kind of motor master gear die for processing according to claim 1, it is characterised in that: in the lower mold body (2) Equipped with thimble panel (81) and Ejector Retainer Plate (82), it is fixed on the thimble panel (81) and is set in thread core (7) outside Push pipe (8);The upper surface of the thimble panel (81) is installed with the push back pin (811) being vertically arranged, the Ejector Retainer Plate (82) Lower end surface be fixed with the mandril (821) being vertically arranged.
5. a kind of motor master gear die for processing according to claim 3, it is characterised in that: lower mold body (2) packet The mould framing plate (9) for including lower plate (12) and being located above lower plate (12), between the mould framing plate (9) and lower plate (12) Equipped with gear box plates (11), the first gear (111), second gear (112) and pinion gear (71) locating rotation are mounted on In gear box plates (11).
6. a kind of motor master gear die for processing according to claim 5, it is characterised in that: the gear box plates (11) Backing plate (10) are equipped between mould framing plate (9), and the lower plate (12), gear box plates (11), backing plate (10) and mould bases Bottom plate is detachably connected between (9).
7. a kind of motor master gear die for processing according to claim 1, it is characterised in that: swivel nut (14) lower end Equipped with the boss (141) to extend internally, the spacing collar (131) cooperated with boss (141) is equipped at the top of the screw rod (13).
8. a kind of motor master gear die for processing according to claim 1 or claim 7, it is characterised in that: the screw rod (13) Bottom is connected with the positioning bearing seat (133) for being detachably fixed and being mounted on lower mold body (2), and the positioning bearing seat (133) is interior Rolling is equipped with several taper rollers (1321) for being disposed around screw rod (13) periphery.
9. a kind of motor master gear die for processing according to claim 1, it is characterised in that: the upper die body (1) one Side is detachably fixed the pressing plate (142) for being equipped with and engaging with swivel nut (14);Pressing plate (142) inner wall offers the fixture block of evagination (1421), the outer wall of the swivel nut (14) is equipped with the card slot (143) cooperated with fixture block (1421).
10. a kind of motor master gear die for processing according to claim 1, it is characterised in that: on the upper die body (1) End face is equipped with positioning ring (31), and each thread core (7) position is corresponded on the upper internal model (5) and is equipped with spot pouring mouth (51), described Feeding pipe (52) are communicated between positioning ring (31) and spot pouring mouth (51).
CN201811284358.6A 2018-10-31 2018-10-31 Motor main gear processing mould Active CN109093945B (en)

Priority Applications (1)

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CN201811284358.6A CN109093945B (en) 2018-10-31 2018-10-31 Motor main gear processing mould

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JP5161358B1 (en) * 2011-10-06 2013-03-13 ファナック株式会社 Rotating core control device for screw removal mold
CN203697401U (en) * 2013-12-11 2014-07-09 思柏精密模具注塑(无锡)有限公司 Precision mold for internal thread component in gear-driven core-pulling form
CN204367329U (en) * 2014-12-24 2015-06-03 宁波沃德森电气有限公司 A kind of internal thread automatic core-pulling mould
CN206653619U (en) * 2017-03-13 2017-11-21 佛山市顺德区百年科技有限公司 Injection mould with internal thread demolding structure and injection mould with internal thread
CN107745484A (en) * 2017-10-24 2018-03-02 辽宁中蓝电子科技有限公司 Mould cuts with scissors tooth mechanism mould before a kind of miniature screw thread
JP2018047628A (en) * 2016-09-22 2018-03-29 高雄機械株式会社 Die unit, coupling mechanism, transmission mechanism and regulation mechanism
CN209036904U (en) * 2018-10-31 2019-06-28 南通合硕电子有限公司 A kind of motor master gear die for processing

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5161358B1 (en) * 2011-10-06 2013-03-13 ファナック株式会社 Rotating core control device for screw removal mold
CN203697401U (en) * 2013-12-11 2014-07-09 思柏精密模具注塑(无锡)有限公司 Precision mold for internal thread component in gear-driven core-pulling form
CN204367329U (en) * 2014-12-24 2015-06-03 宁波沃德森电气有限公司 A kind of internal thread automatic core-pulling mould
JP2018047628A (en) * 2016-09-22 2018-03-29 高雄機械株式会社 Die unit, coupling mechanism, transmission mechanism and regulation mechanism
CN206653619U (en) * 2017-03-13 2017-11-21 佛山市顺德区百年科技有限公司 Injection mould with internal thread demolding structure and injection mould with internal thread
CN107745484A (en) * 2017-10-24 2018-03-02 辽宁中蓝电子科技有限公司 Mould cuts with scissors tooth mechanism mould before a kind of miniature screw thread
CN209036904U (en) * 2018-10-31 2019-06-28 南通合硕电子有限公司 A kind of motor master gear die for processing

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