CN105415573A - Three-colour injection moulding device - Google Patents
Three-colour injection moulding device Download PDFInfo
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- CN105415573A CN105415573A CN201510970519.7A CN201510970519A CN105415573A CN 105415573 A CN105415573 A CN 105415573A CN 201510970519 A CN201510970519 A CN 201510970519A CN 105415573 A CN105415573 A CN 105415573A
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- Prior art keywords
- centre
- main body
- rifle
- gun main
- connector
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 114
- 238000004544 sputter deposition Methods 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 19
- 238000012856 packing Methods 0.000 claims description 17
- 238000007493 shaping process Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 abstract 2
- 238000002347 injection Methods 0.000 description 11
- 239000007924 injection Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000007599 discharging Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/164—The moulding materials being injected simultaneously
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/20—Injection nozzles
- B29C45/22—Multiple nozzle systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/402—Coloured
- B32B2307/404—Multi-coloured
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Coating Apparatus (AREA)
Abstract
The invention discloses a three-colour injection moulding device. According to the invention, a middle material ejection gun transversally moves by virtue of a movement track, and the position of a middle charge hole of a moulding die can be adapted through large-range transversal movement of the middle material ejection gun; after a locking device is unscrewed, a middle adapter elbow is capable of rotating with a conical head at the discharge end of the middle material ejection gun by virtue of a connector of a first elbow part, so that a middle material ejection nozzle is specifically aligned with the middle charge hole of the moulding die, and the locking device can be screwed, so that location convex bars and strip-shaped concave grooves are correspondingly buckled to guarantee no desiderative rotation of the middle adapter elbow; and after the locking device is screwed, the surface and a conical inner surface of the conical head are mutually matched to clamp elastic sealing cushion layers to seal on the contact surfaces, and external annular convex lines and internal annular convex lines can clamp the elastic sealing cushion layers at the two sides, so that the surfaces of the elastic sealing cushion layers are deformed and mutually embedded in the external annular convex lines and the internal annular convex lines, thus sealing contact areas are remarkably increased, and the sealing effect is better.
Description
Technical field
The present invention relates to injection moulding apparatus field, be specifically related to a kind of three look injection moulding apparatus.
Background technology
Increasing footwear adopt injection molding apparatus injection mo(u)lding, the structure of injection molding apparatus has been known, as Chinese invention patent CN201410647897.7 discloses a kind of full-automatic injecting forming machine, comprise mould station, injection device and mainframe, it is characterized in that: described mould station comprises folding mould oil cylinder, connecting plate mechanism, guide pillar, upper plate, middle plate and lower plate, upper plate and lower plate are individually fixed in the top and bottom of guide pillar, middle plate is slidably arranged on guide pillar, folding mould oil cylinder cylinder barrel is fixed on upper plate, folding mould oil cylinder piston rod to be connected with middle plate by connecting plate mechanism and plate moves up and down in driving, described injection device comprises three filling guns arranged along horizontal Tile, this filling gun comprises barrel, elbow and material mouth, one end of elbow connects barrel discharge end, other end binder mouth.Described mould station also comprises pressurizing cylinder, upper heating plate, lower heating plate and lower bolster, and pressurizing cylinder is arranged in lower plate, and pressurizing cylinder piston rod is connected with lower bolster, and lower heating plate is arranged on lower bolster, and upper heating plate is arranged on middle plate.Described upper heating plate and lower heating plate are respectively provided with three pieces of area equation.Described pressurizing cylinder is provided with six, and every two pressurizing cylinders correspond to one piece of lower heating plate and arrange.Guide pillar comprises upper guide post nut and lower guide pillar nut, upper plate by upper guide post nut check in guide pillar upper end, lower plate by lower guide pillar nut check in guide pillar lower end.Described connecting plate mechanism comprises oil cylinder connecting plate, a pair upper bed-plate, short a pair connecting plate, long a pair connecting plate, a pair swing arm and a pair lower bottom base, the each paired parts of connecting plate mechanism are arranged symmetrically, oil cylinder connecting plate is fixed on folding mould oil cylinder piston-rod lower end, upper bed-plate is arranged on middle plate, lower bottom base is arranged in lower plate, the hinged upper bed-plate in swing arm two ends and long connecting plate, hinged short connecting plate one end in the middle part of swing arm, the hinged oil cylinder connecting plate of the short connecting plate other end, the hinged lower bottom base in long connecting plate one end, oil cylinder connecting plate length is less than the spacing of two upper bed-plates.Described three filling guns are left rifle, middle rifle and right rifle, corresponding elbow is left elbow, middle elbow and right elbow, left elbow equal with right elbow length and than in elbow length long, left elbow and right elbow, all towards the angle of 30-60 ° that middle rotating elbow is equal, make the material mouth of three filling guns be in same level.Described material mouth comprises material mouth body and Universal-head, the discharging opening of material mouth body one end connecting bend, and the material mouth body other end forms spherical discharging opening, and be formed with the spherical cavity suitable with spherical discharging opening in Universal-head, Universal-head is sheathed on spherical discharging opening.Described filling gun also includes materials device and injection device, feeding device comprises pan feeding oil motor, thrust bearing, piston inside connecting rod, screw rod and advance resistance material oil cylinder, injection device comprises injection cylinder cylinder, injecting piston rod, injection seat and move back an oil cylinder, thrust bearing, injection cylinder cylinder, injection seat and barrel are connected successively, pan feeding oil motor is arranged on thrust bearing, piston inside connecting rod is arranged in the inner chamber of injecting piston rod by thrust bearing is rotatable, the rotating shaft of pan feeding oil motor is connected with screw rod with piston inside connecting rod successively, screw rod is rotatable to be arranged in barrel, injecting piston rod can drive piston inside connecting rod and screw rod to move, moving back a cylinder block is arranged on mainframe, move back a cylinder piston rod connect injection seat and drive filling gun forward-reverse, advance resistance material oil cylinder is arranged at elbow discharge outlet.Described injection device also comprises cross moving track, traversing motor, driving gear and tooth bar, driving gear and tooth bar are meshed, tooth bar and cross moving track are arranged in parallel, filling gun is arranged on cross moving track, traversing motor is fixed on filling gun, traversing motor drives driving gear to rotate, and then drives filling gun to move along cross moving track.The application of this invention is more extensive, but in actual use, the similar of other injection molding apparatus on itself and market, various types of moulds that charging hole is in diverse location can not be adapted to, usual needs are changed and are penetrated rifle, and even change entire machine, adaptability is too single, use underaction, practicality has much room for improvement.
Given this, inventor furthers investigate the problems referred to above, then has this case to produce.
Summary of the invention
The object of the present invention is to provide a kind of in the middle of material sputtering nozzle can carry out any disassembling, assembling and replacing, can carry out angle and position adjustments to adapt to intermediate feed hole site, flexible and convenient operation, and good positioning effect, sealing is strong, three practical look injection moulding apparatus.
In order to achieve the above object, the present invention adopts such technical scheme:
A kind of three look injection moulding apparatus, comprise material injecting mechanism and shaping mechanism; Described material injecting mechanism comprises three rifles that shoot material, and is respectively two limits being in both sides and shoots material rifle and be in the centre shot material between rifle, both sides and shoot material rifle; The described limit rifle that shoots material comprises limit and to shoot material gun main body, is located at limit and shoots material the limit material sputtering nozzle of discharge end of gun main body, and is connected to limit that limit shoots material between gun main body and limit material sputtering nozzle and transfers elbow; The described centre rifle that shoots material comprises centre and to shoot material gun main body, is located at centre and shoots material the middle material sputtering nozzle of discharge end of gun main body, and is connected to the intermediate transit elbow that centre shoots material between gun main body and middle material sputtering nozzle; Described shaping mechanism comprises mould, and described mould has three charging holes, and three described charging holes are corresponding with the rifle that shoots material described in three respectively; The described centre rifle that shoots material is equipped and is horizontally disposed with and shoots material the perpendicular moving track of rifle with centre;
Also comprise the locking device of gun main body together with intermediate transit elbow jam that to be shot material described centre;
Described intermediate transit elbow comprises the first heel that the discharge end that shoots material gun main body with described centre is connected, and the second heel be connected with described middle material sputtering nozzle; Described first heel comprises the connector that the discharge end that shoots material gun main body with described centre is connected, and the tube connector be connected with described second heel; Described connector conically bell mouth shape, has annular end face and conical inner surface; The shoot material discharge end of gun main body of described centre is formed and the conical head that described conical inner surface matches and the ring-shaped step corresponding with described annular end face;
Described annular end face is formed with the positioning convex strip of multiple circular array, and the cross section of described positioning convex strip is broadened to root gradually by tip; The described ring-shaped step end face corresponding with described annular end face is formed with the strip groove that multiple and each described positioning convex strip matches;
The surface of described conical head is formed with multiple outer ring burr concentric with conical head axis, the width of described outer ring burr and be highly 0.5-2.5mm, described outer ring burr is covered with elastic packing bed course, described conical inner surface be formed multiple and described connector axis concentric in annular burr, the width of described interior annular burr and be highly 0.5-2.5mm;
There is between described positioning convex strip and described strip groove the gap for the deformation of described elastic packing bed course pressurized;
Described locking device cylindrically, what one end of inner surface was formed with that the gun main body direction that to shoot material towards described centre presses on the outer surface of described connector compresses step, the other end is formed with internal thread, and the side face of described ring-shaped step is formed with the external screw thread matched with described internal thread;
Gap between the corresponding described positioning convex strip of described locking device and strip groove is formed with the through hole be in communication with the outside;
The cross section of described outer ring burr and described interior annular burr is the triangle broadened gradually by tip to root, and the tip of the cross section of described outer ring burr and described interior annular burr is level and smooth arc;
The outer surface of described connector is formed with the antifriction bulge loop concentric with connector axis, and the cross section of described antifriction bulge loop is the triangle broadened gradually by tip to root, and the tip of the cross section of described antifriction bulge loop is level and smooth arc;
The described inner surface compressing step is formed with the antifriction raised line intersected with described antifriction bulge loop.
The diameter of described through hole is 1-2mm.
The cross section of described antifriction raised line is the triangle broadened gradually by tip to root, and the tip of the cross section of described antifriction raised line is level and smooth arc.
Described antifriction raised line and described antifriction bulge loop perpendicular.
After adopting technique scheme, three look injection moulding apparatus of the present invention, break through the structural form of traditional injection moulding device, in practical work process, the centre rifle that shoots material can utilize moving track to carry out transverse shifting, and staff can carry out transverse shifting in a big way to adapt to the position in the intermediate feed hole of mould to the centre rifle that shoots material; After unscrewing locking device, intermediate transit elbow can rely on the connector of the first heel to rotate with the conical head of the middle rifle discharge end that shoots material, middle material sputtering nozzle is made specifically to be aligned to the intermediate feed hole of mould, after aligning, locking device can be screwed, positioning convex strip and strip groove correspondence are fastened togather, guarantee that intermediate transit elbow there will not be the rotation of inhuman wish; After locking device screws, the surface of conical head and the conical inner surface clamping elastic packing bed course that cooperatively interacts seals on this contact surface, and outer ring burr and interior annular burr can seal bed course clamping at two-side elastic, make elastic packing bed course surface that deformation occur and mutually embed outer ring burr and interior annular burr, significantly increase sealing contact surface to amass, sealing effectiveness is stronger; When screwing in the process of locking device gradually, the air that locking device, centre shoot material between gun main body and intermediate transit elbow in space can be discharged from through hole, is convenient to locking operation; The structure of outer ring burr and interior annular burr can ensure that outer ring burr and interior annular burr embed the degree of depth and the compactness on elastic packing bed course surface, and damage can not be caused to elastic packing bed course in the tip of level and smooth arc; The structure of antifriction bulge loop can make the outer surface of connector by antifriction bulge loop with compress step and contact, effectively can reduce contact area, and then the outer surface significantly reducing connector and the frictional force compressed between step, in locking device locking process, greatly reduce locking resistance, be more convenient to locking; The structure of antifriction raised line can make the inner surface compressing step be contacted with antifriction bulge loop by antifriction raised line, can reduce contact area further, the frictional force reducing connector further and compress between step.Compared with prior art, three look injection moulding apparatus of the present invention, its middle material sputtering nozzle can carry out any disassembling, assembling and replacing, can carry out angle and position adjustments to adapt to intermediate feed hole site, flexible and convenient operation, and good positioning effect, sealing is strong, practical.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of another angle of the present invention;
Fig. 3 is the structural representation of rifle of shooting material;
Fig. 4 is that centre shoots material the broken section structural representation of rifle;
Fig. 5 is the structure for amplifying schematic diagram of local A in Fig. 4.
In figure:
1-material injecting mechanism 10-shoots material rifle
11-limit shoots material the rifle that to shoot material in the middle of rifle 12-
Shoot material in the middle of 121-gun main body 1211-conical head
12111-outer ring burr 12112-elastic packing bed course
1212-ring-shaped step 12121-strip groove
Material sputtering nozzle 123-intermediate transit elbow in the middle of 122-
1231-first heel 123a-connector
123a1-annular end face 123a11-positioning convex strip
Annular burr in 123a2-conical inner surface 123a21-
123a3-antifriction bulge loop 123b-tube connector
1232-second heel 124-locking device
1241-compresses step 12411-antifriction raised line
1242-internal thread 1243-through hole
2-shaping mechanism.
Detailed description of the invention
In order to explain technical scheme of the present invention further, be described in detail below by specific embodiment.
A kind of three look injection moulding apparatus of the present invention, as Figure 1-5, comprise material injecting mechanism 1 and shaping mechanism 2.
Material injecting mechanism 1 comprises three rifles 10 that shoot material, and is respectively two limits being in both sides and shoots material rifle 11 and be in the centre shot material between rifle 11, both sides and shoot material rifle 12; While shoot material, rifle 11 comprises limit and to shoot material gun main body, is located at limit and shoots material the limit material sputtering nozzle of discharge end of gun main body, and is connected to limit that limit shoots material between gun main body and limit material sputtering nozzle and transfers elbow; The centre rifle 12 that shoots material comprises centre and to shoot material gun main body 121, is located at centre and shoots material the middle material sputtering nozzle 122 of discharge end of gun main body 121, and is connected to the intermediate transit elbow 123 that centre shoots material between gun main body 121 and middle material sputtering nozzle 122; Shaping mechanism 2 comprises mould, and described mould has three charging holes, and three described charging holes rifle 10 that shoots material with three is respectively corresponding; The centre rifle 12 that shoots material is equipped and is horizontally disposed with and shoots material the perpendicular moving track of rifle 12 with centre;
Also comprise the locking device 124 that to be shot material centre gun main body 121 and intermediate transit elbow 123 are locked together;
Intermediate transit elbow 123 comprises the first heel 1231 that the discharge end that shoots material gun main body 121 with centre is connected, and the second heel 1232 be connected with middle material sputtering nozzle 122; First heel 1231 comprises the connector 123a that the discharge end that shoots material gun main body 121 with centre is connected, and the tube connector 123b be connected with the second heel 1232; Connector 123a conically bell mouth shape, has annular end face 123a1 and conical inner surface 123a2; The shoot material discharge end of gun main body 121 of centre is formed with the conical head 1211 and the ring-shaped step 1212 corresponding with annular end face 123a1 that match with conical inner surface 123a2;
Annular end face 123a1 is formed with the positioning convex strip 123a11 of multiple circular array, and the cross section of positioning convex strip 123a11 is broadened to root gradually by tip; Ring-shaped step 1212 end face corresponding with annular end face 123a1 is formed with the strip groove 12121 that multiple and each positioning convex strip 123a11 matches;
The surface of conical head 1211 is formed with multiple outer ring burr 12111 concentric with conical head 1211 axis, the width of outer ring burr 12111 and be highly 0.5-2.5mm, outer ring burr 12111 is covered with elastic packing bed course 12112, conical inner surface 123a2 be formed multiple concentric with connector 123a axis in annular burr 123a21, interior annular burr 123a21 width and be highly 0.5-2.5mm;
There is between positioning convex strip 123a11 and strip groove 12121 gap for the deformation of elastic sealing gasket layer 12112 pressurized, when locking device 124 screws gradually, outer ring burr 12111 and interior annular burr 123a21 clamp gradually to elastic packing bed course 12112, until together with positioning convex strip 123a11 closes completely in strip groove 12121;
Locking device 124 cylindrically, what one end of inner surface was formed with that gun main body 121 direction that to shoot material towards centre presses on the outer surface of connector 123a compresses step 1241, the other end is formed with internal thread 1242, and the side face of ring-shaped step 1212 is formed with the external screw thread matched with internal thread 1242.The present invention is in practical work process, and the centre rifle 12 that shoots material can utilize moving track to carry out transverse shifting, and staff can carry out transverse shifting in a big way to adapt to the position in the intermediate feed hole of mould to the centre rifle 12 that shoots material; After unscrewing locking device 124, intermediate transit elbow 123 can rely on the connector 123a of the first heel 1231 to rotate with the conical head 1211 of middle rifle 12 discharge end that shoots material, middle material sputtering nozzle 122 is made specifically to be aligned to the intermediate feed hole of mould, after aligning, locking device 124 can be screwed, positioning convex strip 123a11 and strip groove 12121 correspondence are fastened togather, guarantee that intermediate transit elbow 123 there will not be the rotation of inhuman wish; After locking device 124 screws, the surface of conical head 1211 and the conical inner surface 123a2 clamping elastic packing bed course 12112 that cooperatively interacts seals on this contact surface, and outer ring burr 12111 and interior annular burr 123a21 can seal bed course 12112 at two-side elastic and clamp, make elastic packing bed course 12112 surface that deformation occur and mutually embed outer ring burr 12111 and interior annular burr 123a21, significantly increase sealing contact surface to amass, sealing effectiveness is stronger.
Preferably, the gap between the corresponding positioning convex strip 123a11 of locking device 124 and strip groove 12121 is formed with the through hole 1243 be in communication with the outside.When in the process screwing locking device 124 gradually, the air that locking device 124, centre shoot material between gun main body 121 and intermediate transit elbow 123 in space can be discharged from through hole 1243, is convenient to locking operation.
The validity worked in order to ensure through hole 1243 plays, and preferably, the diameter of through hole 1243 is 1-2mm.
Preferably, the cross section of outer ring burr 12111 and interior annular burr 123a21 is the triangle broadened gradually by tip to root, and the tip of the cross section of outer ring burr 12111 and interior annular burr 123a21 is level and smooth arc.This structure can ensure that outer ring burr 12111 and interior annular burr 123a21 embed the degree of depth and the compactness on elastic packing bed course 12112 surface, and damage can not be caused to elastic packing bed course 12112 in the tip of level and smooth arc.
Preferably, conically, the outer surface of the inner surface corresponding section and connector 123a that compress step 1241 matches the outer surface of connector 123a.While this structure can make locking device 124 lock gradually, the step 1241 that compresses with conical inner surface is utilized to match with the connector 123a with conical external surface and produce auto-alignment effect, and then compress elastic packing bed course 12112 with making the conical inner surface 123a2 even of connector 123a, especially elastic packing bed course 12112 can not be made to produce fold, guarantee sealing effectiveness.
Preferably, the lateral surface of connector 123a and the angle of connector 123a axis are greater than the angle of medial surface and connector 123a axis, namely the inclination angle of connector 123a lateral surface is larger, when compressing step 1241 and matching with connector 123a lateral surface, this structure can make to compress step 1241 couples of connector 123a and produce stronger pressure in the axial direction, strengthens and compresses locking effect.
Preferably, the outer surface of connector 123a is formed with the antifriction bulge loop 123a3 concentric with connector 123a axis, the cross section of antifriction bulge loop 123a3 is the triangle broadened gradually by tip to root, and the tip of the cross section of antifriction bulge loop 123a3 is level and smooth arc.This structure can make the outer surface of connector 123a by antifriction bulge loop 123a3 with compress step 1241 and contact, effectively can reduce contact area, and then the outer surface significantly reducing connector 123a and the frictional force compressed between step 1241, in locking device 124 locking process, greatly reduce locking resistance, be more convenient to locking.Concrete structure can be, and locking device 124 is equipped and loosens positioner (not shown).
Preferably, the inner surface compressing step 1241 is formed with the antifriction raised line 12411 intersected with antifriction bulge loop 123a3.This structure can make the inner surface compressing step 1241 be contacted with antifriction bulge loop 123a3 by antifriction raised line 12411, can reduce contact area further, the frictional force reducing connector 123a further and compress between step 1241.
Preferably, the cross section of antifriction raised line 12411 is the triangle broadened gradually by tip to root, and the tip of the cross section of antifriction raised line 12411 is level and smooth arc.This structure can make antifriction raised line 12411 and antifriction bulge loop 123a3 flexible contact, significantly reduces wearing and tearing, ensures the persistence that mechanism uses.
Preferably, antifriction raised line 12411 is perpendicular with antifriction bulge loop 123a3.This structure can reduce the contact area of single antifriction raised line 12411 and antifriction bulge loop 123a3, and then reduces the contact area of all antifriction raised lines 12411 and antifriction bulge loop 123a3 further.
Product form of the present invention is not limited to this case diagram and embodiment, and anyone carries out suitable change or the modification of similar thinking to it, all should be considered as not departing from patent category of the present invention.
Claims (4)
1. three look injection moulding apparatus, comprise material injecting mechanism and shaping mechanism; Described material injecting mechanism comprises three rifles that shoot material, and is respectively two limits being in both sides and shoots material rifle and be in the centre shot material between rifle, both sides and shoot material rifle; The described limit rifle that shoots material comprises limit and to shoot material gun main body, is located at limit and shoots material the limit material sputtering nozzle of discharge end of gun main body, and is connected to limit that limit shoots material between gun main body and limit material sputtering nozzle and transfers elbow; The described centre rifle that shoots material comprises centre and to shoot material gun main body, is located at centre and shoots material the middle material sputtering nozzle of discharge end of gun main body, and is connected to the intermediate transit elbow that centre shoots material between gun main body and middle material sputtering nozzle; Described shaping mechanism comprises mould, and described mould has three charging holes, and three described charging holes are corresponding with the rifle that shoots material described in three respectively; It is characterized in that: the described centre rifle that shoots material is equipped and is horizontally disposed with and shoots material the perpendicular moving track of rifle with centre;
Also comprise the locking device of gun main body together with intermediate transit elbow jam that to be shot material described centre;
Described intermediate transit elbow comprises the first heel that the discharge end that shoots material gun main body with described centre is connected, and the second heel be connected with described middle material sputtering nozzle; Described first heel comprises the connector that the discharge end that shoots material gun main body with described centre is connected, and the tube connector be connected with described second heel; Described connector conically bell mouth shape, has annular end face and conical inner surface; The shoot material discharge end of gun main body of described centre is formed and the conical head that described conical inner surface matches and the ring-shaped step corresponding with described annular end face;
Described annular end face is formed with the positioning convex strip of multiple circular array, and the cross section of described positioning convex strip is broadened to root gradually by tip; The described ring-shaped step end face corresponding with described annular end face is formed with the strip groove that multiple and each described positioning convex strip matches;
The surface of described conical head is formed with multiple outer ring burr concentric with conical head axis, the width of described outer ring burr and be highly 0.5-2.5mm, described outer ring burr is covered with elastic packing bed course, described conical inner surface be formed multiple and described connector axis concentric in annular burr, the width of described interior annular burr and be highly 0.5-2.5mm;
There is between described positioning convex strip and described strip groove the gap for the deformation of described elastic packing bed course pressurized;
Described locking device cylindrically, what one end of inner surface was formed with that the gun main body direction that to shoot material towards described centre presses on the outer surface of described connector compresses step, the other end is formed with internal thread, and the side face of described ring-shaped step is formed with the external screw thread matched with described internal thread;
Gap between the corresponding described positioning convex strip of described locking device and strip groove is formed with the through hole be in communication with the outside;
The cross section of described outer ring burr and described interior annular burr is the triangle broadened gradually by tip to root, and the tip of the cross section of described outer ring burr and described interior annular burr is level and smooth arc;
The outer surface of described connector is formed with the antifriction bulge loop concentric with connector axis, and the cross section of described antifriction bulge loop is the triangle broadened gradually by tip to root, and the tip of the cross section of described antifriction bulge loop is level and smooth arc;
The described inner surface compressing step is formed with the antifriction raised line intersected with described antifriction bulge loop.
2. a kind of three look injection moulding apparatus according to claim 1, is characterized in that: the diameter of described through hole is 1-2mm.
3. a kind of three look injection moulding apparatus according to claim 1, is characterized in that: the cross section of described antifriction raised line is the triangle broadened gradually by tip to root, and the tip of the cross section of described antifriction raised line is level and smooth arc.
4. a kind of three look injection moulding apparatus according to claim 1, is characterized in that: described antifriction raised line and described antifriction bulge loop perpendicular.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510970519.7A CN105415573B (en) | 2015-12-22 | 2015-12-22 | A kind of three color injection moulding apparatus |
CN201710212853.5A CN106965377B (en) | 2015-12-22 | 2015-12-22 | A kind of three color injection moulding apparatus of flexible operation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510970519.7A CN105415573B (en) | 2015-12-22 | 2015-12-22 | A kind of three color injection moulding apparatus |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710212853.5A Division CN106965377B (en) | 2015-12-22 | 2015-12-22 | A kind of three color injection moulding apparatus of flexible operation |
Publications (2)
Publication Number | Publication Date |
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CN105415573A true CN105415573A (en) | 2016-03-23 |
CN105415573B CN105415573B (en) | 2017-06-30 |
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Application Number | Title | Priority Date | Filing Date |
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CN201710212853.5A Expired - Fee Related CN106965377B (en) | 2015-12-22 | 2015-12-22 | A kind of three color injection moulding apparatus of flexible operation |
CN201510970519.7A Expired - Fee Related CN105415573B (en) | 2015-12-22 | 2015-12-22 | A kind of three color injection moulding apparatus |
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CN201710212853.5A Expired - Fee Related CN106965377B (en) | 2015-12-22 | 2015-12-22 | A kind of three color injection moulding apparatus of flexible operation |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114103023A (en) * | 2021-11-10 | 2022-03-01 | 襄阳东亿模具有限公司 | Dustproof sealing ring forming die and using method |
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CN201419475Y (en) * | 2009-03-27 | 2010-03-10 | 姚会法 | Injection molding machine with angle of charging barrel spray nozzle and die pouring gate |
CN201552709U (en) * | 2009-07-13 | 2010-08-18 | 叶孙勇 | Synthetic rubber material injection machine and injection device thereof |
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JPH09141690A (en) * | 1995-11-17 | 1997-06-03 | Ube Ind Ltd | Multicolor injection molding device |
CN2342969Y (en) * | 1998-10-14 | 1999-10-13 | 郑隆贵 | Parallel multi-material tube injector |
CN2362679Y (en) * | 1998-11-08 | 2000-02-09 | 福建浔兴集团公司 | Multi-color zipper injection moulding machine |
CN2567021Y (en) * | 2002-02-01 | 2003-08-20 | 宁波海鹰塑料机械制造有限公司 | Injection joint device of injection moulding machine |
CN2645890Y (en) * | 2003-09-25 | 2004-10-06 | 台湾联塑机器股份有限公司 | Tricolor ejection forming machine |
CN205219583U (en) * | 2015-12-22 | 2016-05-11 | 福建立棋机械有限公司 | Three -colour device of moulding plastics |
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CN114103023A (en) * | 2021-11-10 | 2022-03-01 | 襄阳东亿模具有限公司 | Dustproof sealing ring forming die and using method |
Also Published As
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CN106965377A (en) | 2017-07-21 |
CN106965377B (en) | 2019-01-11 |
CN105415573B (en) | 2017-06-30 |
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