CN106182647A

CN106182647A - Single screw rod controls multi-cavity Leave out thread mechanism and mould thereof

Info

Publication number: CN106182647A
Application number: CN201610759800.0A
Authority: CN
Inventors: 王强; 葛敬科; 宫舰
Original assignee: DALIAN LUANYI PRECISION MOULD MANUFACTURING Co Ltd
Current assignee: DALIAN LUANYI PRECISION MOULD MANUFACTURING Co Ltd
Priority date: 2016-08-30
Filing date: 2016-08-30
Publication date: 2016-12-07
Anticipated expiration: 2036-08-30
Also published as: CN106182647B

Abstract

Single screw rod controls multi-cavity Leave out thread mechanism and mould thereof, belong to thermoplastic plastics shaping mould applications, this mould controls multi-cavity Leave out thread mechanism by single screw rod and solves problem present in the mould of micron order threaded plastic product, injection moulding machine mould open motion is relied on to drive reflex screw motion thus driven gear transmission, gear driven gear shaft rotates product break away from moulds, realize plastic automatic demoulding, transmission power is big, stable working is reliable, can be quick, it is accurately positioned, the smooth demoulding of product the technology that reaches is made to require and use requirement, effectively utilize die space, simple in construction, compact, improve production efficiency.

Description

Single screw rod controls multi-cavity Leave out thread mechanism and mould thereof

Technical field

The invention belongs to thermoplastic plastics shaping mould applications, relate to single screw rod and control multi-cavity Leave out thread mechanism and mould thereof Tool, is mainly used in the mould of micron order threaded plastic product, is applied especially to the micron order threaded plastic of a multi-cavity mold The mould of product.

Background technology

Screwed plastic product is widely used, for the threaded plastic that required precision is low in daily life and production Product typically uses the mould of strong release mechanism to realize injection mo(u)lding, and the threaded plastic product higher for precision typically uses de- The mould of thread mechanism realizes injection mo(u)lding, and the power of Leave out thread usually selects motor driving, Driven by Hydraulic Cylinder and outside connection Dynamic mechanism controls internal gear rotates and realizes Leave out thread, and it is big that this structure takies die space, and structure is complicated, relatively costly.

Summary of the invention

It is an object of the invention to provide single screw rod and control multi-cavity Leave out thread mechanism and mould thereof, rely on die sinking action drives Answering screw motion thus driven gear transmission, gear driven gear shaft rotates product break away from moulds, it is achieved plastic automatic demoulding.

The technical problem to be solved in the present invention is to provide single screw rod and controls multi-cavity Leave out thread mechanism and mould thereof, solves precision Problem present in the mould of level threaded plastic product, makes the smooth demoulding of product the technology that reaches require and use requirement.

The technical scheme is that single screw rod controls multi-cavity Leave out thread mechanism and mould thereof, its structure includes: at the bottom of cover half Plate 1, solid plate 2, moving platen 3, dynamic model supporting plate 4, face needle plate 5, end needle plate 6, moving clamping plate 7, reflex screw rod 8, thrust bearing A9, Bearing A10, reflex swivel nut 11, driving gear 12, limiting plate 13, bearing B14, thrust bearing B15, bearing C16, driven gear A17, driven gear B18, bearings D 19, wedge 20, moving die insert 21, slider guide post 22, slide block 23, pin 24, gear shaft 25, tooth axle sleeve 26, positioning sleeve 27, middle shoulder push rod 28, spring A29, shouldered tap bolt 30, release link spring 31, reset control machine are moved back Structure 32 and key pin 33；

The annexation that single screw rod controls multi-cavity Leave out thread mechanism and mould thereof is: reflex screw rod 8 contacts hanging platform with solid plate 2 Connecting, reflex screw rod 8 contacts and spacing with fixed clamping plate 1, and 8 contact slides of thrust bearing A9 and reflex screw rod coordinate, only 11 contact slides of thrust bearing A9 and reflex swivel nut coordinate, and 11 contact slides of bearing A10 and reflex swivel nut coordinate, reflex swivel nut 11 threaded with reflex screw rod 8, and driving gear 12 contacts to closely cooperate with reflex swivel nut 11 and connected by key pin 33, bearing 11 contact slides of B14 and reflex swivel nut coordinate, and 8 contact slides of thrust bearing B15 and reflex screw rod coordinate, thrust bearing 11 contact slides of B15 and reflex swivel nut coordinate, and the end face of thrust bearing A9 and bearing C16 contacts with moving platen 3, thrust shaft Holding periphery and moving platen 3 matched in clearance of A9 and bearing C16, the bottom surface of bearing B14 and thrust bearing B15 connects with limiting plate 13 face Touch, bearing B14 and thrust bearing B15 periphery and limiting plate 13 matched in clearance, the periphery of limiting plate 13 and moving platen 3 and move Die shoe plate 4 matched in clearance, the bottom surface of limiting plate 13 contacts with dynamic model supporting plate 4 and is fastened by bolt lock, outside moving die insert 21 Week and solid plate 2 matched in clearance, the end face of moving die insert 21 contacts with solid plate 2, and moving die insert 21 contacts with moving platen face Closely cooperating and fastened by bolt lock, 21 contact slides of the end face of bearing C16 and moving die insert coordinate, the periphery of bearing C16 With moving die insert 21 matched in clearance, driven gear A17 and bearing C16 face contact slide coordinates, and what driven gear A17 was arranged determines Band flat groove face that is flat and that arrange on driven gear B18, position contacts and closely cooperates and spacing fixing, the bottom surface of bearings D 19 and dynamic model 3 contact slides of plate coordinate, the periphery of bearings D 19 and moving platen 3 matched in clearance, and bearings D 19 contacts sliding with driven gear A17 face Dynamic coordinating, wedge 20 contacts to closely cooperate with solid plate 2 and is fastened by bolt lock, frustum that slider guide post 22 is arranged and Face, the taper long cave contact slide arranged on slide block 23 coordinates, and slider guide post 22 is connected by hanging platform with face needle plate 5 matched in clearance, The periphery of slide block 23 coordinates with face, the through side cave contact slide arranged on moving die insert 21, and the inclined-plane that slide block 23 is arranged is with oblique The oblique plane-plane contact wedging arranged on wedge 20 coordinates, and gear shaft 25 coordinates with slide block 23 and 21 contact slides of moving die insert, tooth Wheel shaft 25 contacts threaded with moving back 26, tooth axle sleeve, moves back tooth axle sleeve 26 and contacts to closely cooperate with moving platen 3 and locked by bolt Fixing, positioning sleeve 27 and gear shaft 25 and move back 26, tooth axle sleeve and contact, positioning sleeve 27 contact with dynamic model supporting plate 4 closely cooperate by Bolt lock fastens, and pin 24 contacts with moving die insert 21 and closely cooperates, and pin 24 contacts and spacing to it with slide block 23, Middle shoulder push rod 28 contacts with gear shaft 25 and closely cooperates, middle shoulder push rod 28 and positioning sleeve 27, dynamic model supporting plate 4, face needle plate 5 and the end Needle plate 6 matched in clearance, the middle shoulder hanging platform that middle shoulder push rod 28 is arranged contacts and spacing with face needle plate 5, and middle shoulder push rod 28 sets The middle shoulder hanging platform put and the counterbore matched in clearance of setting on end needle plate 6, the end face of spring A29 contacts with moving platen 3, spring The bottom surface of A29 contacts with dynamic model supporting plate 4, the periphery of spring A29 and dynamic model supporting plate 4 matched in clearance, shouldered tap bolt 30 and spring A29, dynamic model supporting plate, face needle plate 5 and end needle plate 6 matched in clearance, shouldered tap bolt 30 threadeds with moving platen 3, release link spring The end face of 31 contacts with moving platen 3, and the bottom surface of release link spring 31 contacts with face needle plate 5, the periphery of release link spring 31 With dynamic model supporting plate 4 matched in clearance, reset controlling organization 32 is arranged on moving platen 3 and the outside of dynamic model supporting plate 4；Described driving gear 12 engage with driven gear A17, and driven gear B18 engages with gear shaft 25, and when mold cavity is more than two, driving gear 12 can To engage with the driven gear A17 more than two simultaneously, driven gear B18 can nibble with the gear shaft 25 more than two simultaneously Close, one screw product of each gear shaft 25 molding.

Moving along a straight line under the drive of solid plate 2 during described reflex screw rod 8 die sinking, reflex screw rod 8 drives reflex simultaneously Swivel nut 11 rotates with central shaft, and the power of rotation is passed to driving gear 12 by key pin 33 and promotees by reflex swivel nut 11 simultaneously Making driving gear 12 rotate with central shaft, the thrust of rotation is passed to driven tooth by teeth by driving gear 12 simultaneously Wheel A17, the thrust of rotation is passed to driven gear B18, simultaneously driven tooth by positioning flat effect by driven gear A17 simultaneously The thrust of rotation is passed to gear shaft 25 by teeth by wheel B18, and the thrust rotated is transmitted by gear shaft 25 by screw thread simultaneously Moved back tooth axle sleeve 26, be integrally fixed at the parts of the geo-stationary on moving platen 3 owing to moving back tooth axle sleeve 26, move back tooth axle sleeve 26 simultaneously It is applied to gear shaft 25 counteracting force by screw thread promote gear shaft 25 to do rollback Leave out thread along helix to move.

Separating with dynamic model supporting plate 4 under the effect of spring A29 during described moving platen 3 die sinking, positioning sleeve 27 is in company with dynamic model torr Plate 4 separates with gear shaft 25, and the distance between hanging platform end face and the dynamic model supporting plate 4 of described shouldered tap bolt 30 is done more than gear shaft 25 The distance of rollback when helix does the motion of rollback Leave out thread.

Described slider guide post 22 promotes slide block 23 to do die sinking campaign while moving with coplanar needle plate 5, and described middle shoulder pushes away Bar 28 when the bottom surface of end needle plate 6 counterbore contacts with the bottom surface takeing on hanging platform in middle shoulder push rod 28 in take on push rod 28 eject motion, This ejects motion delay in slide block 23 die sinking campaign.

The described tooth axle sleeve 26 material selection spring steel material that moves back, described positioning sleeve 27 material selection quenched materials hardness ensures HRC50-85 degree.

After described reset controlling organization 32 controls solid plate 2 and moving platen 3 matched moulds, template 3 and dynamic model supporting plate 4 close again Mould.

On described gear shaft 25, the flight pitch of shaped article thread profile is identical with the flight pitch moved back on tooth axle sleeve 26.

The invention has the beneficial effects as follows: control multi-cavity Leave out thread mechanism by single screw rod and solve micron order threaded plastic and produce Problem present in the mould of product, relies on injection moulding machine mould open motion to drive reflex screw motion thus driven gear transmission, gear Driven gear axle rotates product break away from moulds, it is achieved plastic automatic demoulding, and power is big in transmission, stable working is reliable, can be fast Speed, it is accurately positioned, makes the smooth demoulding of product the technology that reaches require and use requirement, effectively utilize die space, simple in construction, Compact, improve production efficiency.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, illustrate with embodiment.

Fig. 1 is that single screw rod controls multi-cavity Leave out thread mechanism schematic perspective view.

Fig. 2 is that single screw rod controls multi-cavity Leave out thread mechanism and the schematic diagram one of mould thereof.

Fig. 3 is that single screw rod controls multi-cavity Leave out thread mechanism and the schematic diagram two of mould thereof.

Fig. 4 is that single screw rod controls multi-cavity Leave out thread mechanism perspective cross-sectional schematic diagram one.

Fig. 5 is that single screw rod controls multi-cavity Leave out thread mechanism perspective cross-sectional schematic diagram two.

Fig. 6 is that bearing C16 and driven gear A17 coordinates schematic diagram.

Fig. 7 is gear shaft 25, move back tooth axle sleeve 26 and positioning sleeve 27 coordinates schematic diagram.

In figure: 1 fixed clamping plate；2 solid plates；3 moving platens；4 dynamic model supporting plates；5 needle plates；6 end needle plates；7 moving clamping plates；8 Reflex screw rod；9 thrust bearing A；10 bearing A；11 reflex swivel nuts 11；12 moving gears 12；13 plates；14 bearing B；15 thrust bearings B；16 bearing C；17 driven gear A；18 driven gear B；19 bearings D；20 wedges；21 moving die inserts；22 slider guide posts；23 is sliding Block；24 pins；25 gear shafts；26 move back tooth axle sleeve；27 positioning sleeves；Push rod is takeed in 28；29 spring A；30 shouldered tap bolts；31 release links Spring；32 reset controlling organizations；33 key pins.

Detailed description of the invention

The specific embodiment of invention is described in detail below in conjunction with technology word and accompanying drawing.

During assembling mould, wedge 20 is fitted in the die cavity that solid plate 2 processes, and bolt passes solid plate 2 by wedge 20 Be locked with it, gear shaft 25 with move back tooth axle sleeve 26 and threaded (see figure 7), gear shaft 25 with move back tooth axle sleeve 26 as one In the cavity that overall assembling such as moving platen 4 processes, bolt passes and moves back tooth axle sleeve 26 and it be locked with moving platen 4, reflex Swivel nut 11 is arranged in the die cavity that solid plate 2 processes, and reflex swivel nut 11 and driving gear 12 are by the assembling of key pin 33 location, axle Holding A10 and bearing B14 to be set in together with reflex swivel nut 11, thrust bearing A9 is arranged in the die cavity that moving platen 4 processes, and comes Answer swivel nut 11, driving gear 12, bearing A10 and bearing B14 as an integral installation in the die cavity that moving platen 4 processes, Thrust bearing B15 is arranged in the die cavity that limiting plate 13 processes, and thrust bearing B15 and limiting plate 13 are equipped with as an entirety In the die cavity that moving platen 4 processes, it is locked with moving platen 4 (see figure 2) by bolt through limiting plate 13, driven tooth Wheel A17 and driven gear B18 are equipped with, and bearing C16 and bearings D 19 and driven gear A17 are equipped with (see figure 6), driven gear A17, Driven gear B18, bearing C16 are fitted in the die cavity that moving platen 4 processes as an entirety with bearings D 19, and pin 24 is pacified Being contained in the pin-and-hole that moving die insert 21 processes, moving die insert 21 is fitted in the die cavity that moving platen processes, and bolt is through dynamic It is locked by mould insert 21 with dynamic model supporting plate 4, in slide block 23 is arranged on the cavity that moving die insert 21 processes and in pin 24 contact (see figure 5)s, it is spacing that slider guide post 22 and middle shoulder push rod 28 and face needle plate 5 are equipped with hanging platform, and positioning sleeve 27 is arranged on dynamic In the die cavity that die shoe plate 4 processes, positioning sleeve 27 is locked on dynamic model supporting plate 4 by bolt through dynamic model supporting plate 4, spring A29 is arranged in the die cavity that dynamic model supporting plate 4 processes, and shouldered tap bolt 30 is locked through dynamic model supporting plate 4 with moving platen 3, closes During mould reflex screw rod 8 insert reflex swivel nut 11 and promote reflex swivel nut 11 by mould matched moulds (see Fig. 2,4), reset controlling organization 32 It is arranged on the outside (see figure 3) of moving platen 3 and dynamic model supporting plate 4.

Concrete forming process is: after forming machine has been injected, moving platen 3 and dynamic model supporting plate 4 points under spring A29 effect From, reflex screw rod 8 moves along a straight line under the drive of solid plate 2, and reflex screw rod 8 drives reflex swivel nut 11 to do with central shaft to rotate Motion, the power of rotation is passed to driving gear 12 by key pin 33 and promotes driving gear 12 to do with central shaft to revolve by reflex swivel nut 11 Transhipment is dynamic, and it is flat by positioning that the thrust of rotation is passed to driven gear A17, driven gear A17 by teeth by driving gear 12 Effect the thrust of rotation is passed to driven gear B18, driven gear B18 by teeth, the thrust of rotation is passed to gear Axle 25, the thrust of rotation is passed to move back tooth axle sleeve 26 by gear shaft 25 by screw thread, is integrally fixed at dynamic model owing to moving back tooth axle sleeve 26 The parts of the geo-stationary on plate 3, move back tooth axle sleeve 26 simultaneously and are applied to gear shaft 25 counteracting force by screw thread and promote gear Axle 25 does rollback Leave out thread along helix and moves, during matched moulds reset controlling organization 32 control solid plate 2 and moving platen 3 matched moulds it After, template 3 and the dynamic model supporting plate matched moulds one-shot forming cycle again completes.

The above is the superior embodiment of the present invention, it is noted that for the technology of the technical field of the invention For personnel, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement and deformation, these improve and become Shape also should be regarded as protection scope of the present invention.

Claims

1. single screw rod controls multi-cavity Leave out thread mechanism and mould thereof, it is characterised in that its structure includes: fixed clamping plate (1), cover half Plate (2), moving platen (3), dynamic model supporting plate (4), face needle plate (5), end needle plate (6), moving clamping plate (7), reflex screw rod (8), thrust Bearing A(9), bearing A(10), reflex swivel nut (11), driving gear (12), limiting plate (13), bearing B(14), thrust bearing B (15), bearing C(16), driven gear A(17), driven gear B(18), bearings D (19), wedge (20), moving die insert (21), sliding Block lead (22), slide block (23), pin (24), gear shaft (25), move back tooth axle sleeve (26), positioning sleeve (27), middle shoulder push rod (28), spring A(29), shouldered tap bolt (30), release link spring (31), reset controlling organization (32) and key pin (33)；It connects Relation is: reflex screw rod (8) contacts hanging platform and connects with solid plate (2) face, thrust bearing A(9) contact with reflex screw rod (8) face and slide Dynamic cooperation, thrust bearing A(9) coordinate with reflex spiral shell (11) face contact slide, bearing A(10) contact with reflex swivel nut (11) face and slide Moving and coordinate, reflex swivel nut (11) is threadeded with reflex screw rod (8), and driving gear (12) contacts closely with reflex swivel nut (11) face Coordinate and connected by key pin (33), bearing B(14) coordinate with reflex swivel nut (11) face contact slide, thrust bearing B(15) and reflex Screw rod (8) face contact slide coordinates, thrust bearing B(15) coordinate with reflex swivel nut (11) face contact slide, thrust bearing A(9) With bearing C(16) end face contact with moving platen (3) face, thrust bearing A(9) and bearing C(16) periphery and moving platen (3) between Gap coordinates, bearing B(14) with thrust bearing B(15) bottom surface contact with limiting plate 13, bearing B(14) and thrust bearing B (15) periphery and limiting plate (13) matched in clearance, bearing C(16) end face coordinate with moving die insert (21) face contact slide, Bearing C(16) periphery and moving die insert (21) matched in clearance, driven gear A(17 and bearing C(16 face contact slide coordinates, from Arrange on moving gear A(17 location is flat and driven gear B(18) the band flat groove face of upper setting contacts and closely cooperates and spacing solid Fixed, 3 contact slides in the bottom surface of bearings D (19) and moving platen coordinate, the periphery of bearings D (19) and moving platen 3 matched in clearance, axle Hold D(19) with driven gear A(17) face contact slide coordinates, wedge (20) contacts with solid plate (2) face and closely cooperates by bolt Being locked, the upper frustum arranged of slider guide post (22) the taper long cave face contact slide that arrange upper with slide block (23) coordinates, Slider guide post (22) is connected by hanging platform with face needle plate (5) matched in clearance, and the periphery of slide block (23) sets on moving die insert (21) Face, the through side cave contact slide put coordinates, and gear shaft (25) coordinates with slide block (23) and moving die insert (21) face contact slide, Gear shaft (25) contacts threaded with moving back tooth axle sleeve (26) face, moves back tooth axle sleeve (26) and contacts with moving platen (3) face and closely cooperate Fastened by bolt lock, positioning sleeve (27) and gear shaft (25) and move back tooth axle sleeve (26) face and contact, positioning sleeve (27) and dynamic model torr The contact of plate (4) face closely cooperates and is fastened by bolt lock, and pin (24) contacts with moving die insert (21) face and closely cooperates, pin (24) contacting and spacing to it with slide block (23) face, middle shoulder push rod (28) contacts with gear shaft (25) face and closely cooperates, and middle shoulder pushes away The upper middle shoulder hanging platform arranged of bar (28) contact and spacing with face needle plate (5) face, the middle shoulder hanging platform of the upper setting of middle shoulder push rod (28) and The upper counterbore matched in clearance arranged of end needle plate (6), reset controlling organization (32) is arranged on moving platen (3) and dynamic model supporting plate (4) Outside；Described driving gear (12) and driven gear A(17) engage, driven gear B(18) engage with gear shaft (25), mould type When chamber is more than two, driving gear (12) can simultaneously with the driven gear A(17 more than two) engage, driven gear B(18) Can engage with the gear shaft (25) more than two, one screw product of each gear shaft (25) molding simultaneously.

Single screw rod the most according to claim 1 controls multi-cavity Leave out thread mechanism and mould thereof, it is characterised in that: described reflex Move along a straight line under the drive of solid plate (2) during screw rod (8) die sinking, simultaneously reflex screw rod (8) drive reflex swivel nut (11) with Central shaft rotates, and the power of rotation is passed to driving gear (12) by key pin (33) and promotes by reflex swivel nut (11) simultaneously Driving gear (12) rotates with central shaft, and the thrust of rotation is passed to driven by teeth by driving gear (12) simultaneously Gear A (17), driven gear A(17 simultaneously) by the flat effect in location, the thrust of rotation is passed to driven gear B(18), with Time driven gear B(18) by teeth, the thrust of rotation passed to gear shaft (25), gear shaft (25) will by screw thread simultaneously The thrust rotated passes to move back tooth axle sleeve (26), owing to moving back geo-stationary that tooth axle sleeve (26) is integrally fixed on moving platen (3) Parts, move back tooth axle sleeve (26) simultaneously and are applied to gear shaft (25) counteracting force by screw thread and promote gear shaft (25) along helix Do the motion of rollback Leave out thread.

Single screw rod the most according to claim 1 controls multi-cavity Leave out thread mechanism and mould thereof, it is characterised in that: described dynamic model At spring A(29 during plate (3) die sinking) effect under separate with dynamic model supporting plate (4), positioning sleeve (27) is in company with dynamic model supporting plate (4) and tooth Wheel shaft (25) separates, and the distance between hanging platform end face and the dynamic model supporting plate (4) of described shouldered tap bolt (30) is more than gear shaft (25) The distance of rollback when line of spinning does the motion of rollback Leave out thread.

Single screw rod the most according to claim 1 controls multi-cavity Leave out thread mechanism and mould thereof, it is characterised in that: described slide block Lead (22) promotes slide block (23) to do die sinking campaign while moving with coplanar needle plate (5), and described middle shoulder push rod (28) is the end of at Take on push rod (28) in when the bottom surface of needle plate (6) counterbore contacts with the bottom surface takeing on hanging platform in middle shoulder push rod (28) and eject motion, should Eject motion delay in slide block (23) die sinking campaign.

Single screw rod the most according to claim 1 controls multi-cavity Leave out thread mechanism and mould thereof, it is characterised in that move back tooth described in: Axle sleeve (26) material selection spring steel material, described positioning sleeve (27) material selection quenched materials hardness ensures HRC50-85 degree.

Single screw rod the most according to claim 1 controls multi-cavity Leave out thread mechanism and mould thereof, it is characterised in that: described reset After controlling organization (32) controls solid plate (2) and moving platen (3) matched moulds, template (3) and dynamic model supporting plate (4) matched moulds again.

Single screw rod the most according to claim 1 controls multi-cavity Leave out thread mechanism and mould thereof, it is characterised in that: described gear The flight pitch of the upper shaped article thread profile of axle (25) is identical with the flight pitch moved back on tooth axle sleeve (26).