CN204505705U - A kind of injection mold for making internal thread knob - Google Patents

A kind of injection mold for making internal thread knob Download PDF

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Publication number
CN204505705U
CN204505705U CN201520105027.7U CN201520105027U CN204505705U CN 204505705 U CN204505705 U CN 204505705U CN 201520105027 U CN201520105027 U CN 201520105027U CN 204505705 U CN204505705 U CN 204505705U
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CN
China
Prior art keywords
plate
push pedal
moving platen
injection mold
spring
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.)
Withdrawn - After Issue
Application number
CN201520105027.7U
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Chinese (zh)
Inventor
谢俊
康四祥
晏楚雄
王湖南
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.)
Ningbo Bo Ya Precision Die Co Ltd
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Ningbo Bo Ya Precision Die Co Ltd
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Publication date
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Priority to CN201520105027.7U priority Critical patent/CN204505705U/en
Application granted granted Critical
Publication of CN204505705U publication Critical patent/CN204505705U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a kind of injection mold for making internal thread knob, top clamping plate is connected with stripper plate, stripper plate is connected with solid plate, solid plate is provided with front internal mold, solid plate is connected with moving platen, moving platen is provided with rear internal mold, moving platen is connected with push pedal, push pedal is connected with gripper shoe, gripper shoe is connected with thread core base plate, thread core base plate is connected with Bottom clamp plate, front internal mold, rear internal mold, moving platen, thread core is provided with between push pedal and gripper shoe, push pedal, gripper shoe, main drive gear is provided with between thread core base plate and Bottom clamp plate, fluid motor-driven main drive gear, main drive gear drives thread core, and the thread head of thread core is divided in die cavity, and classification spring mechanism is located at solid plate, between moving platen and push pedal.The utility model injection mold reduces cost, not only more simple in structure, and production efficiency is higher, ensure that the quality of product, technically reforms, and achieves good effect.

Description

A kind of injection mold for making internal thread knob
Technical field
The utility model relates to a kind of injection mold, relates in particular to a kind of injection mold for making internal thread knob.
Background technology
Internal thread knob plastic is the part of an end covers, and structure is comparatively simple, but inner side is because having internal thread, and therefore inner side is more complicated; At present, although also there is relevant mould internal threads knob plastic to carry out production injection moulding in enterprise, structure is very complicated, and production cost is very high, and dimensional accuracy is also difficult to control, thus easily causes product quality defect.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of injection mold for making internal thread knob, there is complex structure to overcome in prior art for the injection mold making internal thread knob, the high and difficult quality guarantee of production cost defect.
For achieving the above object, the utility model provides a kind of injection mold for making internal thread knob, and described injection mold comprises sprue bushing, top clamping plate, stripper plate, mouth of a river crochet hook, solid plate, front internal mold, moving platen, rear internal mold, push pedal, gripper shoe, thread core base plate, Bottom clamp plate, thread core, main drive gear, hydraulic motor and classification spring mechanism, described top clamping plate is connected with described stripper plate, described sprue bushing and mouth of a river crochet hook is provided with between described top clamping plate and stripper plate, described stripper plate is connected with described solid plate, described solid plate is provided with described front internal mold, described solid plate is connected with described moving platen, described moving platen is provided with described rear internal mold, described moving platen is connected with described push pedal, described push pedal is connected with described gripper shoe, described gripper shoe is connected with described thread core base plate, described thread core base plate is connected with described Bottom clamp plate, described front internal mold, rear internal mold, moving platen, described thread core is provided with between push pedal and gripper shoe, described push pedal, gripper shoe, described main drive gear is provided with between thread core base plate and Bottom clamp plate, described hydraulic motor drives described main drive gear to rotate by transmission mechanism, the gear parts of described main drive gear engages with the gear parts of described thread core, the thread head of described thread core is divided into and is formed in die cavity between described front internal mold and rear internal mold, and described classification spring mechanism is located at described solid plate, between moving platen and push pedal.
Wherein, described classification spring mechanism comprises the first one pole spring mechanism and the second one pole spring mechanism.
Wherein, described first one pole spring mechanism comprise the first positioning screw, the first spring be located in described first positioning screw, the first step pushing block be located on the first spring; Described first positioning screw one end stretches in described push pedal, and the screw head of the other end stretches in described solid plate, and described first step pushing block peaks on described moving platen.
Wherein, described second one pole spring mechanism comprise the second positioning screw, the second spring be located in described second positioning screw, the second step pushing block be located on the second spring; Described second positioning screw one end stretches in described push pedal, and the screw head of the other end stretches in described solid plate, and described second step pushing block peaks on described moving platen.
Wherein, the height of the bossing a of described first step pushing block is higher than the height of the bossing b of described second step pushing block.
Wherein, described transmission mechanism comprises sprocket wheel and chain; Described sprocket wheel comprises the hinge wheel be located on described main drive gear, is located at the minor sprocket on described hydraulic motor, between described hinge wheel and minor sprocket, be provided with described chain.
Wherein, described stripper plate, solid plate, moving platen, be also provided with a guiding mechanism between push pedal and gripper shoe, described guiding mechanism comprises guide pin bushing, and described guide pin bushing is combined with guide pillar.
Wherein, described die cavity is evenly distributed in ten chambeies.
Wherein, described thread core is evenly distributed in ten around described main drive gear.
Compared with prior art, the beneficial effects of the utility model are rotary powers that injection mold provides thread core stable by hydraulic motor, thread core is departed from from internal thread knob plastic product by rotary motion, and while thread core rotates, moving platen is released under the effect of classification spring force, avoid single-stage spring strength in the past excessive, and the long-time spring force that easily occurs change the too much problem of the product percent defective that causes.The utility model injection mold reduces cost, not only more simple in structure, and production efficiency is higher, ensure that the quality of product, technically reforms, and achieves good effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model internal thread knob plastic product;
Fig. 2 is that the utility model is for making the injection mold structure schematic diagram of internal thread knob;
Fig. 3 is the sectional structure schematic diagram along A-A line in Fig. 2;
Fig. 4 is classification spring mechanism partial enlargement sectional structure schematic diagram;
Fig. 5 is that the utility model is for making the injection mold decomposition texture schematic diagram of internal thread knob.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, internal thread knob 1 plastic product is the part of an end covers to internal thread knob plastic product of the present utility model, and material is generally ABS.Structure is comparatively simple, but inner side 2 is because having helicitic texture, more complicated.
Injection mold for making internal thread knob of the present utility model is as shown in Fig. 2,3,4,5, and described injection mold comprises sprue bushing 3, top clamping plate 4, stripper plate 5, mouth of a river crochet hook 6, solid plate 7, front internal mold 8, moving platen 9, rear internal mold 10, push pedal 11, gripper shoe 12, thread core base plate 13, Bottom clamp plate 14, thread core 15, main drive gear 16, hydraulic motor 17 and classification spring mechanism 18, described top clamping plate 4 is connected with described stripper plate 5, described sprue bushing 3 and mouth of a river crochet hook 6 is provided with between described top clamping plate and stripper plate, mouth of a river crochet hook is for pulling out solidifying material, described stripper plate is connected with described solid plate 7, described solid plate is provided with described front internal mold 8, described solid plate is connected with described moving platen 9, described moving platen is provided with described rear internal mold 10, described moving platen is connected with described push pedal 11, described push pedal is connected with described gripper shoe 12, described gripper shoe is connected with described thread core base plate 13, described thread core base plate is connected with described Bottom clamp plate 14, described front internal mold, rear internal mold, moving platen, described thread core 15 is provided with between push pedal and gripper shoe, described push pedal, gripper shoe, described main drive gear 16 is provided with between thread core base plate and Bottom clamp plate, described hydraulic motor 17 drives described main drive gear to rotate by transmission mechanism 19, and described transmission mechanism comprises sprocket wheel 20 and chain 21, described sprocket wheel comprises the hinge wheel 22 be located on described main drive gear, is located at the minor sprocket 23 on described hydraulic motor, is provided with described chain 21 between described hinge wheel and minor sprocket.The gear parts 24 of described main drive gear engages with the gear parts 25 of described thread core, and described thread core is evenly distributed in ten around described main drive gear.The end of thread part 26 of described thread core is located between described front internal mold and rear internal mold and is formed in die cavity 27, and described die cavity is evenly distributed in ten chambeies.Described classification spring mechanism 18 is located at described solid plate, between moving platen and push pedal.
For realizing different die sinking distances, changing and releasing strength, by the restriction of classification spring mechanism 18 stroke, classification spring mechanism comprises the first one pole spring mechanism 28 and the second one pole spring mechanism 29.Described first one pole spring mechanism comprises the first positioning screw 30, the first spring 31 be located in described first positioning screw, the first step pushing block 32 be located on the first spring; Described first positioning screw one end 33 stretches in described push pedal 11, and the screw head 34 of the other end stretches in described solid plate 7, and described first step pushing block 32 peaks on described moving platen 9, and the internal diameter of described first step pushing block is less than the external diameter of described screw head.Described second one pole spring mechanism comprises the second positioning screw 37, the second spring 38 be located in described second positioning screw, the second step pushing block 39 be located on the second spring; Described second positioning screw one end 40 stretches in described push pedal 11, and the screw head 41 of the other end stretches in described solid plate 7, and described second step pushing block 39 peaks on described moving platen 9, and the internal diameter of described second step pushing block 39 is less than the external diameter of described screw head 41.The height of the bossing a of described first step pushing block 32 is higher than the height of the bossing b of described second step pushing block 39.The utility model is provided with two pairs of classification spring mechanisms altogether, diagonally arranges.
Carry out guiding die sinking for ease of injection mold, at stripper plate, solid plate, moving platen, be also provided with a guiding mechanism 42 between push pedal and gripper shoe, described guiding mechanism comprises guide pin bushing 43, and described guide pin bushing is combined with guide pillar 44.
Injection mold in use, is first fixed on injection machine by the injection mold for making internal thread knob of the present utility model; Injection molding matched moulds, material is after injection, mold filling, pressurize and cooling forming; Injection molding die sinking, the dynamic model of mould is drawn back under the effect of injection machine, and make mould first at the first die joint PL1 place separately, runner coagulates material and is separated with internal thread knob 1 plastic product under the effect of mouth of a river crochet hook 6; Then again from the second die joint PL2 separately, now, runner is coagulated material and pushes away mouth of a river crochet hook 6 mould by stripper plate 5 by force, and realize the automatically de-of mould and water, so far stationary mould for mould part completes whole somatotype; The dynamic model of mould continues to draw back under the effect of injection machine, and again from three parting line PL3 separately, namely the active and inactive mold of mould is separated mould; After completing opening stroke, now hydraulic motor 17 transmission main drive gear 16, main drive gear motion thread core 15 rotates, thus realize departing from from internal thread knob plastic product, realize inner side core-pulling, while thread core rotates, moving platen 9 is also released under the effect of classification spring force simultaneously, since then, to complete a shot shaping for mould; Injection molding matched moulds, during matched moulds, to be led reset matched moulds by guide pillar 44 guide pin bushing 43, prepares next time shaping.
The rotary power that injection mold of the present utility model provides thread core stable by hydraulic motor, thread core is departed from from internal thread knob plastic product by rotary motion, and while thread core rotates, moving platen is released under the effect of classification spring force, avoid single-stage spring strength in the past excessive, and the long-time spring force that easily occurs change the too much problem of the product percent defective that causes.The utility model injection mold reduces cost, not only more simple in structure, and production efficiency is higher, ensure that the quality of product, technically reforms, and achieves good effect.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (9)

1. for making an injection mold for internal thread knob, it is characterized in that: described injection mold comprises sprue bushing, top clamping plate, stripper plate, mouth of a river crochet hook, solid plate, front internal mold, moving platen, rear internal mold, push pedal, gripper shoe, thread core base plate, Bottom clamp plate, thread core, main drive gear, hydraulic motor and classification spring mechanism;
Described top clamping plate is connected with described stripper plate, described sprue bushing and mouth of a river crochet hook is provided with between described top clamping plate and stripper plate, described stripper plate is connected with described solid plate, described solid plate is provided with described front internal mold, described solid plate is connected with described moving platen, described moving platen is provided with described rear internal mold, described moving platen is connected with described push pedal, described push pedal is connected with described gripper shoe, described gripper shoe is connected with described thread core base plate, described thread core base plate is connected with described Bottom clamp plate, described front internal mold, rear internal mold, moving platen, described thread core is provided with between push pedal and gripper shoe, described push pedal, gripper shoe, described main drive gear is provided with between thread core base plate and Bottom clamp plate,
Described hydraulic motor drives described main drive gear to rotate by transmission mechanism, the gear parts of described main drive gear engages with the gear parts of described thread core, the thread head of described thread core is divided into and is formed in die cavity between described front internal mold and rear internal mold, and described classification spring mechanism is located at described solid plate, between moving platen and push pedal.
2. the injection mold for making internal thread knob according to claim 1, is characterized in that: described classification spring mechanism comprises the first one pole spring mechanism and the second one pole spring mechanism.
3. the injection mold for making internal thread knob according to claim 2, is characterized in that: described first one pole spring mechanism comprises the first positioning screw, the first spring be located in described first positioning screw, the first step pushing block be located on the first spring; Described first positioning screw one end stretches in described push pedal, and the screw head of the other end stretches in described solid plate, and described first step pushing block peaks on described moving platen.
4. the injection mold for making internal thread knob according to claim 3, is characterized in that: described second one pole spring mechanism comprises the second positioning screw, the second spring be located in described second positioning screw, the second step pushing block be located on the second spring; Described second positioning screw one end stretches in described push pedal, and the screw head of the other end stretches in described solid plate, and described second step pushing block peaks on described moving platen.
5. the injection mold for making internal thread knob according to claim 4, is characterized in that: the height of the bossing a of described first step pushing block is higher than the height of the bossing b of described second step pushing block.
6. the injection mold for making internal thread knob according to any one of claim 1 to 5, is characterized in that: described transmission mechanism comprises sprocket wheel and chain; Described sprocket wheel comprises the hinge wheel be located on described main drive gear, is located at the minor sprocket on described hydraulic motor, between described hinge wheel and minor sprocket, be provided with described chain.
7. the injection mold for making internal thread knob according to claim 6, it is characterized in that: described stripper plate, solid plate, moving platen, between push pedal and gripper shoe, be also provided with a guiding mechanism, described guiding mechanism comprises guide pin bushing, and described guide pin bushing is combined with guide pillar.
8. the injection mold for making internal thread knob according to claim 7, is characterized in that: described die cavity is evenly distributed in ten chambeies.
9. the injection mold for making internal thread knob according to claim 8, is characterized in that: described thread core is evenly distributed in ten around described main drive gear.
CN201520105027.7U 2015-02-12 2015-02-12 A kind of injection mold for making internal thread knob Withdrawn - After Issue CN204505705U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520105027.7U CN204505705U (en) 2015-02-12 2015-02-12 A kind of injection mold for making internal thread knob

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520105027.7U CN204505705U (en) 2015-02-12 2015-02-12 A kind of injection mold for making internal thread knob

Publications (1)

Publication Number Publication Date
CN204505705U true CN204505705U (en) 2015-07-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104647699A (en) * 2015-02-12 2015-05-27 宁波博亚精密模具有限公司 Injection mold for manufacturing internal thread knob

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104647699A (en) * 2015-02-12 2015-05-27 宁波博亚精密模具有限公司 Injection mold for manufacturing internal thread knob

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GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20150729

Effective date of abandoning: 20171114