CN206528021U - Injection mould with internal thread demolding structure and injection mould with internal thread - Google Patents
Injection mould with internal thread demolding structure and injection mould with internal thread Download PDFInfo
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- CN206528021U CN206528021U CN201720081630.5U CN201720081630U CN206528021U CN 206528021 U CN206528021 U CN 206528021U CN 201720081630 U CN201720081630 U CN 201720081630U CN 206528021 U CN206528021 U CN 206528021U
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Abstract
The utility model provides a kind of injection mould with internal thread demolding structure and injection mould with internal thread, injection mould with internal thread demolding structure includes thread spindle, hydraulic cylinder and transmission mechanism, thread spindle is used to be molded internal thread, and transmission mechanism is connected with hydraulic cylinder and thread spindle.Pass through transmission mechanism connection liquid cylinder pressure and thread spindle, thread spindle is in product injection moulding process all the time by the pressure of hydraulic cylinder, due to hydraulic cylinder impact resistance, inertia is small, thread spindle is stably connected with transmission mechanism, it is to avoid injection pressure makes more greatly the quality of thread spindle moving influence injecting products, avoid injection and touch when wearing product motor because no impact resistance makes product batch cutting edge of a knife or a sword occur, it is applied widely, it is ensured that the quality of product, improve the qualification rate of product.Hydraulic cylinder drives transmission mechanism motion, and transmission mechanism drives thread spindle to rotate and realizes the demoulding, it is to avoid plate pushing structure is complicated when motor directly drives the screw thread to be stripped, and reduces the overall dimensions reduction manufacturing cost of mould.
Description
Technical field
The utility model is related to injection mold manufacture field, is stripped and ties in particular to a kind of injection mould with internal thread
Structure and injection mould with internal thread.
Background technology
Screw thread plastic mould system is huge, and the injection mould with internal thread structure in correlation technique is generally with electric notor or oily horse
Up to directly driving thread to rotate, ejecting push plate product is then used, this structure has the following disadvantages:
1st, the scope of application is small, it is adaptable to which injection is not suitable for being molded larger product compared with miscellaneous goods (such as bottle cap), injection compared with
Injection pressure increase makes thread easily retreat during big product, so that product existing defects, fraction defective is high;Do not have suitable for injection
The product for wearing position is touched, if the product of wearing position is touched in injection, because electric notor or oil motor do not have impact resistance easily to criticize
Cutting edge of a knife or a sword.
2nd, mould structure is complicated, and mould needs to be made very big, cost of idleness.
Utility model content
At least one in order to solve the above-mentioned technical problem, the embodiment of first aspect of the present utility model is proposed in one kind
Screw thread injection mold demolding structure.
A kind of second aspect embodiment of the present utility model, it is also proposed that injection mould with internal thread.
In view of this, according to the embodiment of first aspect of the present utility model, the utility model proposes a kind of internal thread
Injection mold demolding structure, for injection mould with internal thread, injection mould with internal thread includes being provided with ejection in push pedal, push pedal
Part, including:Thread spindle, for being molded screw thread;Hydraulic cylinder;Transmission mechanism, is connected with hydraulic cylinder and thread spindle;Wherein, hydraulic pressure
Cylinder drives transmission mechanism motion, and transmission mechanism drives thread spindle to rotate, and thread spindle, which is rotated, to be departed from after screw thread injecting products, by push pedal
Ejection piece ejection screw product.
The injection mould with internal thread demolding structure that the utility model is provided, including thread spindle, hydraulic cylinder and transmission mechanism, spiral shell
Line axle is used to be molded internal thread, and transmission mechanism is connected with hydraulic cylinder and thread spindle, drives transmission mechanism to move by hydraulic cylinder,
Transmission mechanism drives thread spindle to rotate, and thread spindle, which is rotated, to be departed from after screw thread injecting products, in injection mould with internal thread push pedal
Ejection piece ejects screw product, realizes the demoulding of screw product.It is connected by hydraulic cylinder with transmission mechanism, transmission mechanism and spiral shell
Line axle is connected, and makes thread spindle in product injection moulding process all the time by the pressure of hydraulic cylinder, and then make thread spindle and driver
Structure is stably connected with, it is to avoid injection pressure more greatly makes thread spindle move and influence the quality of injecting products, while avoiding in note
Electric notor or oil motor when wearing product are touched in modeling makes product batch cutting edge of a knife or a sword occur because of no impact resistance, is effectively guaranteed product
Quality, improve product qualification rate, it is applied widely.Meanwhile, hydraulic cylinder drives transmission mechanism motion, and transmission mechanism drives
Thread spindle, which is rotated, departs from screw thread injecting products, it is to avoid electric notor or oil motor directly drive thread spindle to rotate by ejecting push plate spiral shell
During line product, plate pushing structure is complicated, and the problem of die size is big effectively simplifies the structure of push pedal, reduce the whole of mould
Body size, and then saved manufacturing cost.
Further, hydraulic cylinder is compared with electric notor or oil motor impact resistance, and inertia is small, effectively ensures product in injection moulding process
The stability of middle thread spindle, it is to avoid thread spindle because be molded larger product when injection pressure it is larger move, while avoid note
Electric notor or oil motor when wearing product are touched in modeling makes product batch cutting edge of a knife or a sword occur because of no impact resistance, applied widely, and
The stability of product quality is effectively guaranteed, the qualification rate of product is improved.
In addition, the injection mould with internal thread demolding structure in above-described embodiment that the utility model is provided can also have such as
Lower additional technical feature:
In the above-mentioned technical solutions, it is preferable that transmission mechanism includes:Rack, rack is connected with hydraulic cylinder;First tooth
Wheel, first gear is mutually engaged with rack;Second gear, second gear is coaxial with first gear;First driving member, the first driving member
It is connected with second gear, the first driving member is connected with thread spindle.
In the technical scheme, transmission mechanism includes rack, first gear, second gear and the first driving member.Pass through tooth
Bar is connected with hydraulic cylinder, the linear motion band carry-over bar of hydraulic cylinder is moved along a straight line, and then drive what is be mutually engaged with rack
First gear is rotated, and drives the first driving member to rotate while being rotated with the second gear that first gear is coaxially disposed, and then drive
Thread spindle is rotated, and is realized that thread spindle is rotated and is departed from injecting products.In product injection moulding process, rack is acted on by hydraulic cylinder,
Make pressure of the rack all the time by hydraulic cylinder, and then ensure the thread spindle being connected with transmission mechanism when being molded screw product not
It is easily mobile, it is to avoid injection pressure makes more greatly the thread spindle move and influence the quality of injecting products during injection larger product, simultaneously
Avoid electric notor or oil motor when injection is touched and wears product makes product batch cutting edge of a knife or a sword occur because of no impact resistance, is applicable model
Enclose extensively, be effectively guaranteed the quality of product, improve the qualification rate of product.Further, rack and first gear phase are passed through
Occlusion, makes to do the hydraulic cylinder drive second gear rotation moved along a straight line, and then drives thread spindle to rotate by the first driving member, real
Existing thread spindle, which is rotated, departs from injecting products.
Further, rack and pinion occlusion, gear and meshed transmission gear are steady, efficiently avoid electric notor or oil
Thread spindle is unstable when motor directly drives thread spindle rotation disengaging screw product, is effectively guaranteed screw thread de-molding injection molded products
Quality afterwards, and then improve the stability of product quality.
In the above-mentioned technical solutions, it is preferable that the first driving member includes the 3rd gear and main shaft, the 3rd gear and the second tooth
Wheel is meshed, and main shaft is connected with thread spindle.
In the technical scheme, the first driving member includes the 3rd gear and main shaft, passes through the 3rd gear and second gear phase
Engagement, main shaft is connected with thread spindle, rotates second gear and drives the 3rd gear and main axis, while driving thread spindle to turn
It is dynamic, and then realize that thread spindle rotates disengaging screw thread injecting products.Further, it is connected by main shaft with thread spindle, realizes
Being indirectly connected with for three gears and thread spindle, makes the 3rd pinion rotation drive thread spindle to rotate, is conducive to thread spindle smoothly to rotate,
The quality after screw thread de-molding injection molded products is ensure that, and then improves the quality of product.
In the above-mentioned technical solutions, it is preferable that the outside of main shaft, which is provided with axle sleeve, main shaft, is provided with auxiliary tooth, aid in
Tooth is adapted with the internal thread set on axle sleeve.
In the technical scheme, the outside of main shaft, which is provided with axle sleeve, main shaft, is provided with auxiliary tooth, on auxiliary tooth and axle sleeve
The internal thread of setting is adapted.By aiding in the adaptation of tooth and internal thread, make screw product in injection moulding process, main shaft and axle sleeve
Close connection, and then make the connection of thread spindle and transmission mechanism more stable, make thread spindle not easily shifted in injection moulding process, it is to avoid
Injection pressure more greatly makes thread spindle move and influence the quality of injecting products during injection larger product, while avoiding in injection
Touch electric notor or oil motor when wearing product makes product batch cutting edge of a knife or a sword occur because of no impact resistance, applied widely, effectively
Ground ensure that the quality of product, improve the qualification rate of product.Meanwhile, by aiding in the adaptation of tooth and internal thread, guide thread spindle
Rotate during demoulding while retreat, be effectively guaranteed the stationarity of thread spindle rotation, it is to avoid thread spindle is rotated not
The quality of steady influence screw thread, and then improve the quality of screw thread injecting products.
Further, the pressure of hydraulic cylinder acts on transmission mechanism all the time, while the internal thread phase of complementary screw-threads and axle sleeve
Adaptation, further makes thread spindle be difficult in product injection moulding process retrogressing, effectively ensures the stability of thread spindle, it is to avoid note
Injection pressure makes more greatly thread spindle move and influence the quality of injecting products when moulding larger product, is worn while avoiding and being touched in injection
Electric notor or oil motor make product batch cutting edge of a knife or a sword occur because of no impact resistance during the product of position, effectively expand the scope of application,
The quality of product is ensure that, the qualification rate of product is improved.
In the above-mentioned technical solutions, it is preferable that also include:Ejection stroke is switched;Guide pad, ejection stroke switch control is led
To the movement of block, guide pad is used for the ejection stroke for limiting hydraulic cylinder.
In the technical scheme, the movement of ejection stroke switch control guide pad, guide pad is used for the row for limiting hydraulic cylinder
Journey.The stroke of hydraulic cylinder is limited by guide pad, makes product in injection moulding process, hydraulic cylinder and rack are limited by guide pad
It can not move, and then ensure that the thread spindle being connected with transmission mechanism can not be moved in injection moulding process, it is to avoid injection pressure
Power makes more greatly thread spindle move and influence the quality of injecting products, while avoiding electric notor or oil when injection is touched and wears product
Motor makes product batch cutting edge of a knife or a sword occur because of no impact resistance, effectively expands and uses scope, it is ensured that the quality of product, carries
The qualification rate of high product.
Further, the stroke of ejection stroke switch control hydraulic cylinder, is conducive to the stroke of hydraulic cylinder to ensure that thread spindle turns
Screw thread injecting products can be departed from after dynamic stopping, it is to avoid hydraulic cylinder ejection stroke is shorter, thread spindle is rotated after stopping without departing from spiral shell
Line injecting products, while avoiding hydraulic cylinder ejection stroke longer, thread spindle dallies for a long time after screw thread injecting products are departed from, and has
The efficiency of screw thread de-molding injection molded products is improved to effect, energy consumption has been saved, and then improve the production efficiency of screw thread injecting products.
In the above-mentioned technical solutions, it is preferable that the end of hydraulic cylinder is provided with return-stroke switch, for controlling hydraulic cylinder
Return-stroke.
In the technical scheme, the end of hydraulic cylinder is provided with return-stroke switch, passes through return-stroke switch control liquid
The return-stroke of cylinder pressure, and then hydraulic cylinder is moved back and forth, and any position is returned to, be conducive to adjusting the row of hydraulic cylinder
Journey, makes the ejection stroke of hydraulic cylinder disclosure satisfy that different thread spindles depart from the demand of screw thread injecting products, improves internal thread injection
Mold use scope.Further, the adjustment between ejection stroke switch is switched by return-stroke, makes the top of hydraulic cylinder
Go out stroke and be adapted with the rotation that thread spindle departs from screw thread injecting products, it is to avoid hydraulic cylinder ejection stroke is shorter, thread spindle is rotated
Without departing from screw thread injecting products after stopping, while avoiding hydraulic cylinder ejection stroke longer, thread spindle is departing from screw thread injecting products
Dally for a long time afterwards, saved energy consumption, be effectively guaranteed the validity of cylinder efficient, taken off while improving screw thread injecting products
The efficiency of mould, and then improve the production efficiency of screw thread injecting products.
In any of the above-described technical scheme, it is preferable that main shaft is attached with thread spindle by shaft coupling or pin.
In the technical scheme, on the one hand, main shaft is attached with thread spindle by shaft coupling, on the one hand, main shaft and spiral shell
Line axle is attached by pin, the main shaft connected mode different with thread spindle, can meet thread spindle different with transmission mechanism
Topology requirement, while the demand of different internal thread de-molding injection molded products structures can also be met, using in extensive range.Further
, the connected mode that main shaft and thread spindle can also be required by other satisfactions is attached.
In the above-mentioned technical solutions, it is preferable that the diameter of first gear is less than the diameter of second gear.
In the technical scheme, the diameter of first gear is less than the diameter of second gear, leads to the linear motion of hydraulic cylinder
Become rotation after crossing first gear and rack occlusion, it is real after the engagement of second gear and the 3rd gear passes to thread spindle
Acceleration change is showed, has effectively saved energy consumption, while the demoulding avoided to meet the larger product of injection sets longer
Rack and the ejection stroke for increasing hydraulic cylinder, save space, simplify structure, reduce the energy consumption of hydraulic cylinder.Further,
The diameter of first gear and second gear could be arranged to other sizes, to meet the different production of injection mould with internal thread and work
The demand of skill.
According to second aspect embodiment of the present utility model, it is also proposed that a kind of injection mould with internal thread, including push pedal, push away
Ejection piece is provided with plate;And the injection mould with internal thread demolding structure described in any of the above-described technical scheme.
The injection mould with internal thread that the embodiment of the utility model second aspect is provided, including push pedal and any of the above-described technology
Injection mould with internal thread demolding structure described in scheme, is wherein provided with ejection piece in push pedal, driver is driven by hydraulic cylinder
Structure is moved, and transmission mechanism drives thread spindle to rotate, and thread spindle, which is rotated, to be departed from after screw thread injecting products, is pushed away by thread spindle injection mold
Ejection piece ejection screw product on plate, realizes the demoulding of screw product.It is connected by hydraulic cylinder with transmission mechanism, driver
Structure is connected with thread spindle, makes thread spindle in product injection moulding process all the time by the pressure of hydraulic cylinder, so make thread spindle with
Transmission mechanism is stably connected with, it is to avoid injection pressure more greatly makes thread spindle move and influence the quality of injecting products, avoids simultaneously
When injection is touched and wears product, electric notor or oil motor make because of no impact resistance product batch cutting edge of a knife or a sword, wide adaptation range occur
It is general, the quality of product is effectively guaranteed, the qualification rate of product is improved.Meanwhile, hydraulic cylinder drives transmission mechanism motion, driver
Structure drives thread spindle to rotate to depart from screw thread injecting products, it is to avoid electric notor or oil motor directly drive thread spindle to rotate by push pedal
When ejecting screw product, plate pushing structure is complicated, and the problem of die size is big effectively simplifies the structure of push pedal, reduce mould
The overall dimensions of tool, and then saved manufacturing cost.
Further, hydraulic cylinder is compared with electric notor or oil motor impact resistance, and inertia is small, effectively ensures product in injection moulding process
The stability of middle thread spindle, it is to avoid thread spindle is moved because injection pressure is larger, while avoiding when injection is touched and wears product
Electric notor or oil motor make product batch cutting edge of a knife or a sword occur because of no impact resistance, applied widely, and are effectively guaranteed production
The stability of quality, improves the qualification rate of product.
In the above-mentioned technical solutions, it is preferable that ejection piece is thimble.
In the technical scheme, ejection piece is thimble, simplify the structure of ejection piece, it is to avoid mould structure is complicated, chi
Very little cost of idleness, and then simplify the structure of mould greatly, saves and uses space, has saved manufacturing cost, lifting user's
Experience.Further, the structure of the injection machine using the injection mould with internal thread is simplified, space is saved, cost is reduced,
Be conducive to storage.
Additional aspect and advantage of the present utility model will become obvious in following description section, or new by this practicality
The practice of type is recognized.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein:
Fig. 1 is the structural representation of injection mould with internal thread demolding structure in embodiment of the present utility model;
Fig. 2 is the structural representation of injection mould with internal thread demolding structure in embodiment of the present utility model;
Fig. 3 is the sectional view of injection mould with internal thread demolding structure A-A in embodiment of the present utility model shown in Fig. 2;
Fig. 4 is the amplification at the A of injection mould with internal thread demolding structure in embodiment of the present utility model shown in Fig. 3
Figure.
Wherein, corresponding relations of the Fig. 1 into Fig. 4 between reference and component names is:
2 thread spindles, 4 hydraulic cylinders, 42 return-strokes switch, 6 transmission mechanisms, 62 racks, 64 first gears, 66 second teeth
Wheel, 68 first driving members, 682 the 3rd gears, 684 main shafts, 6842 axle sleeves, 6844 auxiliary teeth, 8 ejection strokes switch, 10 are oriented to
Block.
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen
The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description to fully understand the utility model, still, this practicality
New to be different from other modes described here to implement using other, therefore, protection domain of the present utility model is simultaneously
Do not limited by following public specific embodiment.
Referring to Fig. 1 to Fig. 4 descriptions according to some embodiment injection mould with internal thread demolding structures of the utility model and
Injection mould with internal thread.
As shown in figure 1, the utility model proposes a kind of injection mould with internal thread demolding structure, for internal thread injection mould
Tool, injection mould with internal thread includes being provided with ejection piece in push pedal, push pedal, including:Thread spindle 2, for being molded screw thread;Hydraulic cylinder
4;Transmission mechanism 6, is connected with hydraulic cylinder 4 and thread spindle 2;Wherein, hydraulic cylinder 4 drives transmission mechanism 6 to move, transmission mechanism 6
Thread spindle 2 is driven to rotate, thread spindle 2, which is rotated, to be departed from after screw thread injecting products, and screw product is ejected by the ejection piece of push pedal.
The injection mould with internal thread demolding structure that the utility model is provided, including thread spindle 2, hydraulic cylinder 4 and transmission mechanism
6, thread spindle 2 is used to be molded internal thread, and transmission mechanism 6 is connected with hydraulic cylinder 4 and thread spindle 2, is driven and is driven by hydraulic cylinder 4
Mechanism 6 is moved, and transmission mechanism 6 drives thread spindle 2 to rotate, and thread spindle 2, which is rotated, to be departed from after screw thread injecting products, is molded by internal thread
Ejection piece ejection screw product on mould ejection plate, realizes the demoulding of screw product.It is connected by hydraulic cylinder 4 with transmission mechanism 6
Connect, transmission mechanism 6 is connected with thread spindle 2, thread spindle 2, all the time by the pressure of hydraulic cylinder 4, is entered in product injection moulding process
And thread spindle 2 is stably connected with transmission mechanism 6, it is to avoid injection pressure makes more greatly the thread spindle 2 move and influence injecting products
Quality, there is product because of no impact resistance while avoiding electric notor or oil motor when injection is touched and wears product
Cutting edge of a knife or a sword is criticized, the quality of product is effectively guaranteed, the qualification rate of product is improved.Meanwhile, hydraulic cylinder 4 drives transmission mechanism 6 to move, and passes
Motivation structure 6 drives thread spindle 2 to rotate to depart from screw thread injecting products, it is to avoid electric notor or oil motor directly drive 2 turns of thread spindle
It is dynamic by ejecting push plate screw product when, plate pushing structure is complicated, and the problem of die size is big effectively simplifies the structure of push pedal,
The overall dimensions of mould are reduced, and then have saved manufacturing cost.
Further, hydraulic cylinder 4 is compared with electric notor or oil motor impact resistance, and inertia is small, effectively ensures that product had been molded
The stability of thread spindle 2 in journey, it is to avoid thread spindle 2 because be molded larger product when injection pressure it is larger move, avoid simultaneously
When injection is touched and wears product, electric notor or oil motor make product batch cutting edge of a knife or a sword occur because of no impact resistance, applied widely
It is general, and the stability of product quality is effectively guaranteed, improve the qualification rate of product.Further, hydraulic cylinder 4 is oil cylinder.
As shown in Fig. 2 in one embodiment of the present utility model, it is preferable that transmission mechanism 6 includes:Rack 62, rack
62 are connected with hydraulic cylinder 4;First gear 64, first gear 64 is mutually engaged with rack 62;Second gear 66, second gear 66 with
First gear 64 is coaxial;First driving member 68, the first driving member 68 is connected with second gear 66, the first driving member 68 and screw thread
Axle 2 is connected.
In this embodiment, transmission mechanism 6 includes rack 62, first gear 64, the driving member 68 of second gear 66 and first.
Be connected by rack 62 with hydraulic cylinder 4, make hydraulic cylinder 4 linear motion band carry-over bar 62 move along a straight line, and then drive with
The first gear 64 that rack 62 is mutually engaged is rotated, while the second gear 66 being coaxially disposed with first gear 64, which is rotated, drives first
Driving member 68 is rotated, and then drives thread spindle 2 to rotate, and is realized that thread spindle 2 is rotated and is departed from injecting products.In product injection moulding process
In, rack 62 is acted on by hydraulic cylinder 4, makes pressure of the rack 62 all the time by hydraulic cylinder 4, and then ensure and transmission mechanism 6
The thread spindle 2 that is connected is not easily shifted when being molded screw product, it is to avoid injection pressure makes more greatly spiral shell during injection larger product
Line axle 2 moves and influences the quality of injecting products, while avoiding when injection is touched and wears product electric notor or oil motor because not having
There is impact resistance and product batch cutting edge of a knife or a sword is occurred, it is applied widely, the quality of product is effectively guaranteed, the conjunction of product is improved
Lattice rate.
Further, mutually it is engaged with first gear 64 by rack 62, makes to do the second tooth of drive of hydraulic cylinder 4 moved along a straight line
Wheel 66 is rotated, and then drives thread spindle 2 to rotate by the first driving member 68, is realized that thread spindle 2 is rotated and is departed from injecting products.Enter one
Step ground, rack 62 and engaged gears, gear and meshed transmission gear are steady, efficiently avoid electric notor or the direct band of oil motor
Thread spindle 2 is unstable when dynamic thread spindle 2 rotates disengaging screw thread injecting products, is effectively guaranteed after screw thread de-molding injection molded products
Quality, and then improve the stability of product quality.
In one embodiment of the present utility model, it is preferable that the first driving member 68 includes the 3rd gear 682 and main shaft
684, the 3rd gear 682 is meshed with second gear 66, and main shaft 684 is connected with thread spindle 2.
In this embodiment, the first driving member 68 includes the 3rd gear 682 and main shaft 684, passes through the 3rd gear 682 and the
Two gears 66 are meshed, and main shaft 684 is connected with thread spindle 2, rotate second gear 66 and drive the 3rd gear 682 and main shaft
684 rotate, while driving thread spindle 2 to rotate, and then realize that thread spindle 2 rotates disengaging screw thread injecting products.Further, pass through
Main shaft 684 is connected with thread spindle 2, realizes being indirectly connected with for the 3rd gear 682 and thread spindle 2, makes the rotational band of the 3rd gear 682
Dynamic thread spindle 2 is rotated, and is conducive to the smoothly rotation of thread spindle 2, it is ensured that the quality after screw thread de-molding injection molded products, and then improve
The quality of product.
As shown in Figure 3 and Figure 4, in one embodiment of the present utility model, it is preferable that the outside of main shaft 684 is provided with
Auxiliary tooth 6844 is provided with axle sleeve 6842, main shaft 684, auxiliary tooth 6844 is adapted with the internal thread set on axle sleeve 6842.
In this embodiment, the outside of main shaft 684, which is provided with axle sleeve 6842, main shaft 684, is provided with auxiliary tooth 6844, auxiliary
Tooth 6844 is helped to be adapted with the internal thread set on axle sleeve 6842.By aiding in the adaptation of tooth 6844 and internal thread, produce screw thread
Product are in injection moulding process, and main shaft 684 is closely connected with axle sleeve 6842, and then make the connection of thread spindle 2 and transmission mechanism 6 more steady
It is fixed, make thread spindle 2 not easily shifted in injection moulding process, it is to avoid injection pressure more greatly moves thread spindle 2 during injection larger product
It is dynamic and influence the quality of injecting products, while avoiding when injection is touched and wears product electric notor or oil motor because there is no shock resistance
Ability and product batch cutting edge of a knife or a sword is occurred, it is applied widely, be effectively guaranteed the quality of product, improve the qualification rate of product.Together
When, by aiding in the adaptation of tooth 6844 and internal thread, guide thread spindle 2 to rotate during demoulding while retreating, play
Certain guide effect, guiding thread spindle 2 departs from screw thread injecting products, is effectively guaranteed the stationarity of the rotation of thread spindle 2, keeps away
Exempt from thread spindle 2 and rotate the quality of unstable influence screw thread, and then improve the quality of screw thread injecting products.
Further, the pressure of hydraulic cylinder 4 acts on transmission mechanism 6 all the time, while complementary screw-threads and axle sleeve 6842 is interior
Screw thread is adapted, and thread spindle 2 is difficult retrogressing in product injection moulding process, effectively ensures the stability of thread spindle 2,
Avoiding injection pressure makes more greatly thread spindle 2 move and influence the quality of injecting products, and position production is worn while avoiding and being touched in injection
Electric notor or oil motor make product batch cutting edge of a knife or a sword occur because of no impact resistance during product, effectively expand the scope of application, it is ensured that
The quality of product, improves the qualification rate of product.
In one embodiment of the present utility model, it is preferable that also include:Ejection stroke switch 8;Guide pad 10, ejection
Travel switch 8 controls the movement of guide pad 10, and guide pad 10 is used for the ejection stroke for limiting hydraulic cylinder 4.
In this embodiment, ejection stroke switch 8 controls the movement of guide pad 10, and guide pad 10 is used to limit hydraulic cylinder 4
Stroke.The stroke of hydraulic cylinder 4 is limited by guide pad 10, makes product in injection moulding process, hydraulic cylinder 4 and rack 62 are led
It can not be moved to the limitation of block 10, and then ensure that the thread spindle 2 being connected with transmission mechanism 6 can not be moved in injection moulding process
It is dynamic, it is to avoid injection pressure makes more greatly thread spindle 2 move and influence the quality of injecting products, and position is worn while avoiding and being touched in injection
Electric notor or oil motor make product batch cutting edge of a knife or a sword occur because of no impact resistance during product, effectively expand and use scope, protect
The quality of product has been demonstrate,proved, the qualification rate of product is improved.
Further, ejection stroke switch 8 controls the stroke of hydraulic cylinder 4, is conducive to the stroke of hydraulic cylinder 4 to ensure thread spindle
2 rotations can depart from screw thread injecting products after stopping, it is to avoid the ejection stroke of hydraulic cylinder 4 is shorter, and thread spindle 2 does not take off after rotating stopping
From screw thread injecting products, while avoid the ejection stroke of hydraulic cylinder 4 longer, the long-time after screw thread injecting products are departed from of thread spindle 2
Idle running, is effectively improved the efficiency of screw thread de-molding injection molded products, has saved energy consumption, and then improve the production of screw thread injecting products
Efficiency.
In one embodiment of the present utility model, it is preferable that the end of hydraulic cylinder 4 is provided with return-stroke switch 42,
Return-stroke for controlling hydraulic cylinder 4.
In this embodiment, the end of hydraulic cylinder 4 is provided with return-stroke switch 42, is controlled by return-stroke switch 42
The return-stroke of hydraulic cylinder 4, and then hydraulic cylinder 4 is moved back and forth, and any position is returned to, be conducive to adjusting hydraulic cylinder
4 stroke, makes the ejection stroke of hydraulic cylinder 4 disclosure satisfy that different thread spindles 2 depart from the demand of screw thread injecting products, improves interior spiral shell
The use scope of line injection mold.Further, the adjustment between 42 and ejection stroke switch 8 is switched by return-stroke, made
The rotation that the ejection stroke of hydraulic cylinder 4 and thread spindle 2 depart from screw thread injecting products is adapted, it is to avoid the ejection stroke of hydraulic cylinder 4 compared with
It is short, thread spindle 2 is rotated stop after without departing from screw thread injecting products, while avoiding that the ejection stroke of hydraulic cylinder 4 is longer, thread spindle 2 exists
Dallied for a long time after departing from screw thread injecting products, saved energy consumption, be effectively guaranteed the validity of cylinder efficient, improved simultaneously
The efficiency of screw thread de-molding injection molded products, and then improve the production efficiency of screw thread injecting products.
In one embodiment of the present utility model, it is preferable that main shaft 684 is carried out with thread spindle 2 by shaft coupling or pin
Connection.
In this embodiment, on the one hand, main shaft 684 is attached with thread spindle 2 by shaft coupling, on the one hand, main shaft 684
It is attached with thread spindle 2 by pin, the connected mode different with thread spindle 2 of main shaft 684, thread spindle 2 and transmission can be met
The different topology requirement of mechanism 6, while the demand of different internal thread de-molding injection molded products structures can also be met, it is wide using scope
It is general.Further, the connected mode that main shaft 684 and thread spindle 2 can also be required by other satisfactions is attached.
In one embodiment of the present utility model, it is preferable that the diameter of first gear 64 is less than the straight of second gear 66
Footpath.
In this embodiment, the diameter of first gear 64 is less than the diameter of second gear 66, makes the linear motion of hydraulic cylinder 4
Become rotation after being engaged by first gear 64 and rack 62, transmitted by the engagement of the gear 682 of second gear 66 and the 3rd
Accelerate change to being realized after thread spindle 2, effectively saved energy consumption, while avoiding to meet the demoulding of the larger product of injection
And longer rack 62 is set and increases the ejection stroke of hydraulic cylinder 4, space is saved, structure is simplified, hydraulic cylinder 4 is reduced
Energy consumption.Further, the diameter of first gear 64 and second gear 66 could be arranged to other sizes, to meet internal thread note
The different production of mould and the demand of technique.Further, second gear 66 is accelerating gear, by adjusting the first driving member
68 speed, improves the speed that thread spindle 2 departs from screw thread injecting products, and then improve production efficiency.
According to second aspect embodiment of the present utility model, it is also proposed that a kind of injection mould with internal thread, including push pedal, push away
Ejection piece is provided with plate;And the injection mould with internal thread demolding structure described in any of the above-described technical scheme.
The injection mould with internal thread that the embodiment of the utility model second aspect is provided, including push pedal and any of the above-described technology
Injection mould with internal thread demolding structure described in scheme, is connected by hydraulic cylinder 4 with transmission mechanism 6, transmission mechanism 6 and screw thread
Axle 2 is connected, and makes thread spindle 2 in product injection moulding process all the time by the pressure of hydraulic cylinder 4, and then makes thread spindle 2 and transmission
Mechanism 6 is stably connected with, it is to avoid injection pressure makes more greatly the thread spindle 2 move and influence the quality of injecting products, avoids simultaneously
When injection is touched and wears product, electric notor or oil motor make product batch cutting edge of a knife or a sword, wide adaptation range occur because of no impact resistance
It is general, the quality of product is effectively guaranteed, the qualification rate of product is improved, it is applied widely.Meanwhile, hydraulic cylinder 4 drives transmission
Mechanism 6 is moved, and transmission mechanism 6 drives thread spindle 2 to rotate to depart from screw thread injecting products, it is to avoid electric notor or the direct band of oil motor
Dynamic thread spindle 2 rotate by ejecting push plate screw product when, plate pushing structure is complicated, and the problem of die size is big effectively simplifies
The structure of push pedal, reduces the overall dimensions of mould, and then has saved manufacturing cost.
Further, hydraulic cylinder 4 is compared with electric notor or oil motor impact resistance, and inertia is small, effectively ensures that product had been molded
The stability of thread spindle 2 in journey, it is to avoid thread spindle 2 is moved because injection pressure is larger, position production is worn while avoiding and being touched in injection
Electric notor or oil motor make product batch cutting edge of a knife or a sword occur because of no impact resistance during product, applied widely, and effectively ensure
The stability of product quality, improves the qualification rate of product.
In one embodiment of the present utility model, it is preferable that ejection piece is thimble.
In this embodiment, ejection piece is thimble, simplify the structure of ejection piece, it is to avoid mould structure is complicated, size
Cost of idleness, and then simplify the structure of mould greatly, saves and uses space, has saved manufacturing cost, lifts the body of user
Test.Further, the structure of the injection machine using the injection mould with internal thread is simplified, space is saved, cost is reduced, had
Beneficial to storage.
To sum up, the injection mould with internal thread demolding structure and injection mould with internal thread of offer of the present utility model, pass through liquid
Cylinder pressure 4 is connected with transmission mechanism 6, and transmission mechanism 6 is connected with thread spindle 2, transmission mechanism 6 is begun in product injection moulding process
Eventually by the pressure of hydraulic cylinder 4, and then thread spindle 2 is set to be stably connected with transmission mechanism 6, it is to avoid injection pressure makes more greatly screw thread
Axle 2 moves and influences the quality of injecting products, while avoiding when injection is touched and wears product electric notor or oil motor because not having
Impact resistance and product batch cutting edge of a knife or a sword is occurred, be effectively guaranteed the quality of product, improve the qualification rate of product, it is applied widely
It is general.Meanwhile, hydraulic cylinder 4 drives transmission mechanism 6 to move, and transmission mechanism 6 drives thread spindle 2 to rotate disengaging screw thread injecting products, keeps away
Exempted from electric notor or oil motor directly drive thread spindle 2 rotate by ejecting push plate screw product when, plate pushing structure is complicated, mould chi
Very little big the problem of, the structure of push pedal is effectively simplified, reduce the overall dimensions of mould, and then saved manufacturing cost.Enter
One step, hydraulic cylinder 4 is compared with electric notor or oil motor impact resistance, and inertia is small, effectively ensures product thread spindle 2 in injection moulding process
Stability, it is to avoid thread spindle 2 is moved because injection pressure is larger, and then is effectively guaranteed the stability of product quality, is carried
The qualification rate of high product.
In the utility model, term " multiple " then refers to two or more, unless otherwise clear and definite restriction.Term
The term such as " installation ", " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected,
Can be detachably connected, or be integrally connected;" connected " can be joined directly together, and can also pass through the indirect phase of intermediary
Even.For the ordinary skill in the art, it can understand above-mentioned term in the utility model as the case may be
Concrete meaning.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining the embodiment or specific features, structure, material or the feature of example description is contained in of the present utility model at least one
In individual embodiment or example.In this manual, identical embodiment is not necessarily referring to the schematic representation of above-mentioned term
Or example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or examples
In combine in an appropriate manner.
Preferred embodiment of the present utility model is these are only, the utility model is not limited to, for this area
Technical staff for, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle within,
Any modification, equivalent substitution and improvements made etc., should be included within protection domain of the present utility model.
Claims (10)
1. a kind of injection mould with internal thread demolding structure, for injection mould with internal thread, the injection mould with internal thread includes pushing away
Ejection piece is provided with plate, the push pedal, it is characterised in that including:
Thread spindle, for being molded the screw thread;
Hydraulic cylinder;
Transmission mechanism, is connected with the hydraulic cylinder and the thread spindle;
Wherein, the hydraulic cylinder drives the transmission mechanism motion, and the transmission mechanism drives the thread spindle to rotate, the spiral shell
Line axle, which is rotated, to be departed from after screw thread injecting products, and the screw thread injecting products are ejected by the ejection piece of the push pedal.
2. injection mould with internal thread demolding structure according to claim 1, it is characterised in that the transmission mechanism includes:
Rack, the rack is connected with the hydraulic cylinder;
First gear, the first gear is mutually engaged with the rack;
Second gear, the second gear and the first gear are coaxial;
First driving member, first driving member is connected with the second gear, first driving member and the thread spindle
It is connected.
3. injection mould with internal thread demolding structure according to claim 2, it is characterised in that
First driving member includes the 3rd gear and main shaft, and the 3rd gear is meshed with the second gear, the master
Axle is connected with the thread spindle.
4. injection mould with internal thread demolding structure according to claim 3, it is characterised in that
The outside of the main shaft, which is provided with axle sleeve, the main shaft, is provided with auxiliary tooth, and the auxiliary tooth on the axle sleeve with setting
The internal thread put is adapted.
5. injection mould with internal thread demolding structure according to claim 4, it is characterised in that also include:
Ejection stroke is switched;
Guide pad, the movement of the ejection stroke switch control guide pad, the guide pad is used to limit the hydraulic cylinder
Ejection stroke.
6. injection mould with internal thread demolding structure according to claim 5, it is characterised in that
The end of the hydraulic cylinder is provided with return-stroke switch, the return-stroke for controlling the hydraulic cylinder.
7. the injection mould with internal thread demolding structure according to any one of claim 3 to 6, it is characterised in that
The main shaft is attached with the thread spindle by shaft coupling or pin.
8. injection mould with internal thread demolding structure according to claim 7, it is characterised in that
The diameter of the first gear is less than the diameter of the second gear.
9. a kind of injection mould with internal thread, it is characterised in that including:
Ejection piece is provided with push pedal, the push pedal;And
Injection mould with internal thread demolding structure as any one of claim 1 to 8.
10. injection mould with internal thread according to claim 9, it is characterised in that:
The ejection piece is thimble.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720081630.5U CN206528021U (en) | 2017-01-22 | 2017-01-22 | Injection mould with internal thread demolding structure and injection mould with internal thread |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720081630.5U CN206528021U (en) | 2017-01-22 | 2017-01-22 | Injection mould with internal thread demolding structure and injection mould with internal thread |
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CN206528021U true CN206528021U (en) | 2017-09-29 |
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CN201720081630.5U Expired - Fee Related CN206528021U (en) | 2017-01-22 | 2017-01-22 | Injection mould with internal thread demolding structure and injection mould with internal thread |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107932835A (en) * | 2017-12-20 | 2018-04-20 | 佛山市顺德区天玛仕电子有限公司 | Connecting seat injection mold |
CN114714577A (en) * | 2022-06-08 | 2022-07-08 | 宁海县第一注塑模具有限公司 | Injection mold of spiral T type groove product |
CN115071067A (en) * | 2022-08-22 | 2022-09-20 | 苏州敏宇塑电子科技有限公司 | Internal thread injection mold and injection molding method thereof |
-
2017
- 2017-01-22 CN CN201720081630.5U patent/CN206528021U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107932835A (en) * | 2017-12-20 | 2018-04-20 | 佛山市顺德区天玛仕电子有限公司 | Connecting seat injection mold |
CN107932835B (en) * | 2017-12-20 | 2023-11-14 | 佛山市顺德区天玛仕电子有限公司 | Injection mold for connecting seat |
CN114714577A (en) * | 2022-06-08 | 2022-07-08 | 宁海县第一注塑模具有限公司 | Injection mold of spiral T type groove product |
CN115071067A (en) * | 2022-08-22 | 2022-09-20 | 苏州敏宇塑电子科技有限公司 | Internal thread injection mold and injection molding method thereof |
CN115071067B (en) * | 2022-08-22 | 2022-11-11 | 苏州敏宇塑电子科技有限公司 | Internal thread injection mold and injection molding method thereof |
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Granted publication date: 20170929 |