CN108527779A - Needle-like injection mould for insert - Google Patents
Needle-like injection mould for insert Download PDFInfo
- Publication number
- CN108527779A CN108527779A CN201810684353.6A CN201810684353A CN108527779A CN 108527779 A CN108527779 A CN 108527779A CN 201810684353 A CN201810684353 A CN 201810684353A CN 108527779 A CN108527779 A CN 108527779A
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- China
- Prior art keywords
- needle
- cavity
- insert
- mould
- inserts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 238000002347 injection Methods 0.000 title claims abstract description 64
- 239000007924 injection Substances 0.000 title claims abstract description 64
- 238000009434 installation Methods 0.000 claims abstract description 32
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 24
- 238000009432 framing Methods 0.000 claims description 22
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 238000012360 testing method Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 28
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000001746 injection moulding Methods 0.000 description 33
- 239000007788 liquid Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000011900 installation process Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B29C45/2602—Mould construction elements
-
- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention provides a kind of needle-like injection mould for insert, including preceding mould bases and rear mould bases, preceding mould bases is provided with front cavity, rear mold erection is equipped with the first guide post, preceding mould bases is slidably connected with the first guide post, mould bases has rear cavity afterwards, cavity is surrounded between rear cavity and front cavity, wherein, mould bases includes removable insert afterwards, the first mounting hole for preventing needle-like inserts is provided in removable insert, the axis of first mounting hole and the axis of the first guide post are mutually perpendicular to, inserts installation position and locating slot are provided in rear cavity, removable insert is removably mounted in inserts installation position, locating slot is arranged towards the first mounting hole, the axis co-axial line of the orientation axis of locating slot and the first mounting hole is arranged, first mounting hole and locating slot are located at the both sides of cavity.The needle-like injection mould for insert is applicable to horizontal injection press processing, has the advantages that easy to use, production cost is low, and needle-like inserts can be fixed, and ensures that needle-like inserts does not deform when molding.
Description
Technical field
The present invention relates to technical field of mold, specifically, being to be related to a kind of needle-like injection mould for insert.
Background technology
Insert injection moulding is very common in Injection Industry, as shown in FIG. 1, FIG. 1 is the injecting products for including needle-like inserts,
In, the diameter of needle-like inserts is only 0.45 millimeter, and the material of needle-like inserts is copper, at present to the shaping mould of above-mentioned injecting products
Tool design there are two main ways：
First, the injection molding manner of horizontal injection press routinely carries out the design of molding die.Using conventional horizontal injection press
When being molded, injecting products to put depanning direction as shown in Figure 2（Divide shown in mould directional diagram dotted line）, when injection molding, can be by needle-like
Inserts is positioned in rear mold, still, since the diameter of needle-like inserts is only 0.45 millimeter, leads to the intensity of the needle-like inserts not
Foot, haves the shortcomings that yielding, if carrying out molding die design using conventional horizontal injection press injection molding manner, can cause into
In the molding of injection molding top, the extremely difficult pin hole on preceding mould of needle-like inserts is aligned pattern tool so that needle-like inserts easily occurs
Bending, deformation, so that the yield rate of molding die is low, production cost is high.
Second, in order to solve the problems, such as that the needle-like inserts that easily leads to that above-mentioned needle-like inserts disposing way is brought deforms,
Needle-like inserts can be put in state as shown in Figure 3（Divide shown in mould directional diagram dotted line）, but the disposing way due to needle-like it is embedding
Part is laid flat in die surface without being fixed, supporting so that if the injection molding manner according to conventional horizontal injection press carries out
When injection molding, needle-like inserts can due to do not have positioning, support and fall, be unable to meet production demand, this is but also must adopt
With vertical injection molding machine injection molding is carried out in the needle-like inserts of laid-flat status to above-mentioned.But if according to above-mentioned needle-like inserts
Disposing way and when carrying out molding die design according to the injection molding manner of vertical injection molding machine, needs setting there are two rear mold so that
One of them is produced for being molded, another is and small due to being injection molding product itself due to installing needle-like inserts so that raw
It will appear the problems such as positioning is difficult to and is difficult to install during production, and since molding die needs to make two rear molds, and make two
A rear mold shares same preceding mould, high so as to cause the making required precision to molding die, and makes being produced into for molding die
This can also be increased substantially therewith.In addition, identical in injection molding machine tonnage, vertical injection molding machine can also compare at production cost
The production cost of horizontal injection press is high.
Invention content
To solve the above-mentioned problems, the main object of the present invention is to provide one kind and being applicable to horizontal injection press processing, make
With convenient, production cost is low and needle-like inserts can be fixed, and while molding, ensures the needle that needle-like inserts does not deform
Type injection mould for insert.
In order to realize the main object of the present invention, the present invention provides a kind of needle-like injection mould for insert, including preceding mould bases and
Mould bases afterwards, preceding mould bases are provided with front cavity, and rear mold erection is equipped with the first guide post, and preceding mould bases is slidably connected with the first guide post,
Mould bases has rear cavity afterwards, and cavity is surrounded between rear cavity and front cavity, wherein rear mould bases includes removable insert, removable insert
On be provided with the first mounting hole for preventing needle-like inserts, the axis of the axis of the first mounting hole and the first guide post mutually hangs down
Directly, inserts installation position and locating slot are provided in rear cavity, removable insert is removably mounted in inserts installation position, locating slot
Be arranged towards the first mounting hole, the axis co-axial line of the orientation axis of locating slot and the first mounting hole is arranged, the first mounting hole with
Locating slot is located at the both sides of cavity.
Therefore by the way that removable insert is arranged on rear mould bases, and to being used to install needle-like inserts in removable insert
The position of first mounting hole is configured so that needle-like inserts can be fixed, and can be ensured in needle-like placing mould
Needle-like inserts does not deform when being molded.In addition, the needle-like injection mould for insert can either be suitable for horizontal injection press, again
It needs that two rear molds are arranged when the prior art can be overcome to be processed using vertical injection molding machine to be molded injecting products
The shortcomings that so that needle-like injection mould for insert provided by the invention is applicable to horizontal injection press processing, has easy to use, raw
Advantage at low cost is produced, and needle-like inserts can be fixed, ensures that needle-like inserts does not deform when molding.
Further embodiment is that guidance set is provided with above locating slot, and guidance set has the first guide part, and first leads
Include two guide surfaces, outlet of the distance between two guide surfaces from the inlet of the first guide part to the first guide part to portion
Place reduces, and the outlet of the first guide part is connected to locating slot.
Therefore since the diameter of needle-like inserts is small, intensity is low so that needle-like inserts easily deforms, and fixed
Guidance set is set above the slot of position so that guidance set can be oriented to needle-like inserts, position so that when embedded with needle-like
When the removable insert of inserts is installed in rear cavity, the free end of needle-like inserts can be accurate by the first guide part of guidance set
Really enter in locating slot, to avoid needle-like inserts from deforming upon during the installation process, prevents the injecting products being molded by from occurring
Waste product ensures the quality of injecting products.
Further scheme is that inserts installation position is from the opening of itself to the bottom crimp of itself, the week of removable insert
Wall is inclined to set, and the peripheral wall of removable insert and the peripheral wall of inserts installation position are connected.
Therefore pass through the structure setting to inserts installation position and removable insert so that the installation of removable insert is more
Conveniently, there is self-positioning effect when and removable insert being enabled to install.
Further scheme is that the bottom of inserts installation position is set with extending along being axially facing in rear cavity for the first guide post
It is equipped with pilot hole, removable insert is provided with guiding axis outside towards itself, and guiding axis is located in pilot hole.
Therefore guiding axis can be oriented to the installation of removable insert, while removable insert peace can also be improved
Reliability when dress, use.
Further scheme is that removable insert includes pedestal and briquetting, and the peripheral wall of pedestal is inclined to set, the first installation
Hole is located on pedestal, and the second mounting hole is provided on pedestal, and guiding axis is located in the second mounting hole, and briquetting lid is closed in the second installation
Kong Shang, guiding axis are detachably connected between pedestal and briquetting.
Therefore removable insert is arranged to detachable structure so that when pedestal and/or guiding axis are worn,
Pedestal and/or guiding axis can be replaced, additionally it is possible to according to the die sinking space of needle-like injection mould for insert to being oriented to
The length of axis carries out adaptable replacement.
Further scheme is that pedestal is provided with forming tank in the open end of the first mounting hole, and forming tank connects with cavity
Logical, the contour line of forming tank is overlapped with the contour line of cavity towards the opening of the side of pedestal.
Therefore forming tank is docked for cavity, the fraction structure for treating injecting products is molded, while can be with
Whether the position of the needle-like inserts in structure decision removable insert gone out with mold cavity forming at the structure gone out by forming tank is accurate,
And judge whether the docking location of removable insert and cavity is accurate.
Further scheme is, needle-like injection mould for insert further includes bitcells, bitcells include guide holder and
Sliding seat, guide holder are mounted in front cavity, and the second guide part is provided on guide holder, and the second guide part is arranged towards rear mold frame
And be inclined to set outside towards rear mould bases, rear cavity is provided with sliding slot towards cavity, and sliding seat is slidably mounted in sliding slot,
Guide groove and mold insert component are provided on sliding seat, guide groove is parallel to the second guide part, and the second guide part is located in guide groove,
Mold insert component is arranged from sliding seat towards cavity, and the end of mold insert component is located in cavity.
Therefore bitcells are used to carry out molding to the back-off structure of the injecting products molded and to after molding
The back-off structure of injecting products is demoulded.
Further scheme is that rear cavity is provided with locating piece towards front cavity, and locating piece is from rear cavity to front cavity
It shrinks, is provided with the positioning chamber being connected with locating piece in front cavity, locating piece is located in positioning chamber.
Therefore the preceding mould bases and rear mould bases of locating piece and positioning chamber when can be to molding be oriented to, be positioned, depending on
Position block enables to the peripheral wall of locating piece to be inclined to set in setting is shunk, and enters in positioning chamber convenient for locating piece, and with preceding
The molding of mould bases and rear mould bases erects guiding role to preceding mould bases and/or rear mold, and it is tight to ensure that preceding mould bases and rear mould bases mold
Close property, and then the cavity after molding is avoided gap occur, and injection molding feed liquid is avoided to leak.
Further scheme is that needle-like injection mould for insert further includes thimble unit, rear mould framing plate and position sensing
Device is provided with the second guide post and thimble group on thimble unit, and rear mould bases is slidably connected with the second guide post, the thimble of thimble group
It is arranged towards cavity, and thimble both passes through rear cavity, and third guide post is provided on rear mould framing plate, thimble unit is led with third
Column is slidably connected, and position sensor is mounted on rear mould framing plate, and the test side of position sensor is set towards thimble unit
It sets.
Therefore thimble unit, for being demoulded to the injecting products molded, installation position sensor makes position
The position of thimble unit when resetting can be detected by setting sensor, thimble unit when to avoid resetting and rear mould bases
Hard collision occurs for bottom plate, plays a protective role to thimble unit and rear mould framing plate.
Further scheme is that thimble unit is additionally provided with resilient snubber, and resilient snubber is connected to thimble unit
Between rear mould bases.
Therefore the impact force that resilient snubber can generate thimble unit absorbs, and thimble unit is avoided to exist
When being demoulded to the injecting products molded, with rear mould bases hard collision occurs for thimble unit, to thimble unit and rear mould bases
It plays a protective role.
Description of the drawings
Fig. 1 is the structure chart of existing injecting products.
Fig. 2 is the placement position schematic diagram for the injecting products that existing horizontal injection press molds.
Fig. 3 is the placement position schematic diagram for the injecting products that existing vertical injection molding machine molds.
Fig. 4 is the structure chart of needle-like injection mould for insert embodiment of the present invention.
Fig. 5 is the exploded view of needle-like injection mould for insert embodiment of the present invention.
Fig. 6 is the structure chart of the preceding mould bases and preceding mould framing plate of needle-like injection mould for insert embodiment of the present invention.
Fig. 7 is the structure chart of the rear mould bases of needle-like injection mould for insert embodiment of the present invention.
Fig. 8 is the structure chart of the removable insert of needle-like injection mould for insert embodiment of the present invention.
Fig. 9 is the partial view of the rear mould bases of needle-like injection mould for insert embodiment of the present invention.
Figure 10 is the enlarged drawing at A in Fig. 5.
Figure 11 is the exploded view of the removable insert of needle-like injection mould for insert embodiment of the present invention.
Figure 12 is the demoulding status diagram after the clipped component of needle-like injection mould for insert embodiment of the present invention.
The invention will be further described with reference to the accompanying drawings and embodiments.
Specific implementation mode
With reference to Fig. 4 to Fig. 7, needle-like injection mould for insert 100 includes preceding mould framing plate 1, preceding mould bases 2, rear mould bases 3, activity
Inserts 4, rear mould framing plate 5, thimble unit 6, bitcells 7 and position sensor 8.
Wherein, there is preceding mould framing plate 1 injection hole 11, injection hole 11 to be used to provide injection molding feed liquid port for injection molding machine.Before
Mould bases 2 is fixedly connected with preceding mould framing plate 1, and preceding mould bases 2 has front cavity 21.Mould bases 3 is provided with extending towards preceding mould bases 2 afterwards
First guide post 30, preceding mould bases 2 are slidably connected along the axial direction of the first guide post 30 with the first guide post 30, and rear mould bases 3 has rear mold
When benevolence 31, current mould bases 2 and rear mould bases 3 complete molding, cavity 10 is surrounded between front cavity 21 and rear cavity 31.Cavity 10 is with before
The injection hole 11 of mould framing plate 1 is connected to so that when injection molding machine, which will be molded feed liquid, to be injected by injection hole 11, injection molding material liquid energy is enough logical
The runner crossed between preceding mould bases 2 and rear mould bases 3 enters in cavity 10, and then carries out the molding of injecting products 102.
Mould framing plate 5 is connect by thimble unit 6 with rear mould bases 3 afterwards, and specifically, rear mould framing plate 5 prolongs towards rear mould bases 3
It is provided with third guide post 51 with stretching, thimble unit 6 is slidably connected along the axial direction of third guide post 51 with third guide post 51.Its
In, thimble unit 6 includes the second guide post 61 and thimble group 62 of bottom plate 60 and the setting extended from bottom plate 60 towards rear mould bases 3,
Thimble unit 6 is slidably connected by the second guide post 61 with rear mould bases 3, and bottom plate 60 slideably connects with third guide post 51
It connects.Thimble group 62 includes more thimbles 621, and more thimbles 621 are arranged towards cavity 10, and more thimbles 621 both pass through rear mold
Benevolence 31.Thimble unit 6 ought need to carry out injecting products 102 for carrying out demoulding processing to the injecting products 102 being molded by
When demoulding, by making thimble unit 6, mould bases 3 moves backward, so that the end of the thimble 61 of thimble group 62 is pierced by rear cavity
31 and injecting products 102 are jacked up, injecting products 102 is made to be detached from rear cavity 31, realizes the demoulding of injecting products 102.
Position sensor 8 is mounted on rear mould framing plate 5, and the test side of position sensor 8 is towards the bottom of thimble unit 6
Plate 60 is arranged, and position sensor 8 avoids thimble unit 6 when resetting for being limited to the thimble unit 6 in reseting procedure
Hard collision occurs with rear mould framing plate 5.Because needle-like injection mould for insert 100 is when the operations such as being molded, being demoulded
It is performed by injection molding machine, because, it can be by the signal Real-time Feedback detected to injection molding machine by installation position sensor 6
Operating system, ensure injection molding machine control thimble unit 6 resetted when, thimble unit 6 and rear mould framing plate 5 can be avoided
It collides, plays a protective role to needle-like injection mould for insert 100, it is preferable that position sensor 8 uses microswitch.
Further, thimble unit 6 has a resilient snubber, resilient snubber be mounted on thimble unit 6 and rear mould bases 3 it
Between, resilient snubber is mainly used for protecting the thimble unit 6 during pushing pin, and avoids thimble unit 6 in the process of pushing pin
In collide with rear mould bases 3, make to play protection to needle-like injection mould for insert 100 and the injecting products 102 that mold
With.Preferably, resilient snubber is spring or rubber bar.
With reference to Fig. 8, and Fig. 6 is combined, rear mould bases 3 includes removable insert 4, and removable insert 4 is for installing, supporting needle-like inserts
101 so that needle-like injection mould for insert 100 can either be suitable for the injection molding of horizontal injection press, and can avoid rear mould bases 3
The problem of needing to be arranged to two rear molds.Specifically, the first mounting hole 411, and the first mounting hole are provided in removable insert 4
The axis of 411 axis and the first guide post 30 is mutually perpendicular to.First mounting hole 411 is for installing and accommodating needle-like inserts 101
A part, and then realize positioning, bearing to needle-like inserts 101.
Reference Fig. 9 and Figure 10, and Fig. 5 and Fig. 6 is combined, setting inserts accommodates position 23 and determines in the front cavity 21 of preceding mould bases 2
Position slot 24, is provided with inserts installation position 32 and locating slot 33 in the rear cavity 31 of rear mould bases 3, wherein inserts accommodates position 23 and embedding
The cavity that part installation position 32 surrounds is avoided for being sealed to removable insert 4 in injection moulding process, is molded feed liquid
Leakage, pollutes removable insert 4.And locating slot 24 and locating slot 33 are for consolidating the movable end of needle-like inserts 101
Fixed and positioning, and then prevent preceding mould bases 2 and rear mould bases 3 from causing needle-like inserts 101 to be bent deformation in molding.
Specifically, removable insert 4 is removably mounted in the inserts installation position 32 in rear cavity 31 so that when need into
When row mold-closing injection, the removable insert 4 for being equipped with needle-like inserts 101 can be installed in rear cavity 31；It is taken off when needing point mould
When mould, the thimble group 62 of thimble unit 6 can eject removable insert 4 together with injecting products 102 from rear cavity 31, real
Now the demoulding of injecting products 102 is handled.
First mounting hole 411 of locating slot 33 towards removable insert 4 is arranged, and the orientation axis of locating slot 33 and the first peace
The axis co-axial line setting in hole 411 is filled, locating slot 33 avoids needle-like embedding for being supported to the movable end of needle-like inserts 101
Needle-like inserts 101 is bent deformation in 100 clamping process of part injection mold.In addition, cavity 10 is located at the first mounting hole 411 and determines
Between the slot 33 of position, so that when injection molding, needle-like inserts 101 can be inlaid in injecting products 102.
Preferably, inserts installation position 32 is from the opening of itself to the bottom crimp of itself so that the week of inserts installation position 32
Wall is inclined to set.The peripheral wall of removable insert 4 is inclined to set, and the peripheral wall of the peripheral wall of removable insert 4 and inserts installation position 32
It is connected.It is oblique by the way that the peripheral wall of inserts installation position 32 and the peripheral wall of removable insert 4 to be arranged so that removable insert
4 when being installed on inserts installation position 32, and installation is more prone to, and can when installation process in removable insert 4 can carry out
It is self-positioning.
The top of locating slot 33 is provided with guidance set 34, and guidance set 34 is used to be oriented to needle-like inserts 101, is fixed
Position so that can ensure needle-like inserts 101 in 4 installation process of removable insert and in preceding mould bases 2,3 clamping process of rear mould bases
It does not deform.Specifically, as shown in figure 9, guidance set 34 has at least one first guide part 341, each first is led
Include two guide surfaces 342 to portion 341, the distance between two guide surfaces 342 are from the inlet of the first guide part 341 to first
The exit of guide part 342 reduces, also, the outlet of the first guide part 341 is connected to locating slot 33 so that needle-like inserts 101
It is oriented to by the first guide part 341, positions, can be exactly into locating slot 33 after shaping.Wherein, the first mounting hole 411,
The quantity of locating slot 33, locating slot 24 and the first guide part 341 is according to the needle-like inserts being arranged required for injecting products 102
101 quantity is determined.
As it can be seen that due to the problem that the diameter of needle-like inserts 4 itself is small, intensity is low so that there are yielding for needle-like inserts 101
The problem of, and guidance set 34 can be oriented to, be positioned for needle-like inserts 101, shaping, be ensured when embedded with needle-like inserts
When 101 removable insert 4 is installed in rear cavity 31, the free end of needle-like inserts 101 can pass through the first of guidance set 34
Guide part 342 accurately enters in locating slot 33, to avoid needle-like inserts 4 from always deforming upon in installation process, prevents from being molded by
Injecting products 102 there is waste product, and ensure the quality of injecting products.
Further, the bottom of inserts installation position 32 is provided with extending along the mode axially backward 31 of the first guide post 30
Pilot hole 331（See Figure 12）, removable insert 4 towards itself it is outer be provided with guiding axis 43, and when removable insert 4 is mounted on rear cavity
When on 31, guiding axis 43 is located in pilot hole 331.Preferably, as shown in figure 11, removable insert 4 includes pedestal 41,42 and of briquetting
Guiding axis 43, wherein the peripheral wall of pedestal 41 is inclined to set, and the first mounting hole 411 is located on pedestal 41, is also set on pedestal 41
It is equipped with the second mounting hole 412, guiding axis 43 is mounted in the second mounting hole 412.The lid of briquetting 42 closes on the second mounting hole 412,
And then guiding axis 43 is fixed so that guiding axis 43 is detachably connected between pedestal 41 and briquetting 42.Guiding axis 43
Reliability when can be oriented to removable insert 4 in the process, while the installation of removable insert 4 can also be improved and used.
And removable insert 4 is arranged to detachable structure so that, can be to seat when pedestal 41 and/or guiding axis 43 are worn
Body 41 and/or guiding axis 43 are replaced, and the cooperation precision of removable insert 4 and rear cavity 31 is improved, and injection molding feed liquid is avoided to note
It is leaked during entering, in addition, the fractionation structure also enables the guiding axis 43 of removable insert 4 according to needle-like insert injection moulding
The die sinking space of mold 100 carries out adaptable replacement to the length of guiding axis 43.
It is highly preferred that pedestal 41 is provided with forming tank 413 in the open end of the first mounting hole 411, forming tank 413 is for joining
With the molding of injecting products 102.Wherein, forming tank 413 is connected to cavity 10, also, the contour line of forming tank 413 and cavity 10
It is overlapped towards the contour line of the opening of the side of pedestal 41.Forming tank 413 docks with cavity 10 and to the small of injecting products 102
Part-structure is molded so that can by judge forming tank 413 molds on injecting products 102 structure and cavity 10 at
The junction position for the structure that type goes out, the installation position of Quality estimation needle-like inserts 101 are enough accurate, and judge removable insert
4 with the docking location of cavity 10 be enough accurate.For example, when adding para postion inaccuracy of the removable insert 4 with cavity 10, molding
The junction for the structure that the structure that slot 413 molds is molded with cavity 10 will appear workprint or dislocation, illustrate that needle-like is embedding at this time
Also there are deviations between design position for the installation position of part 101.
As shown in Fig. 6, Fig. 7 and Figure 12, bitcells 7 are used to be processed back-off structure on injecting products 102, and right
The back-off structure of the injecting products 102 molded is demoulded.Specifically, bitcells 7 include guide holder 71 and sliding seat 72,
Guide holder 71 is mounted in front cavity 21, and the second guide part 711 is provided on guide holder 71, and the second guide part 711 is after
Mould bases 3 is arranged, and the second guide part 711 is also inclined to set towards rear mould bases 3 outside.
Rear cavity 31 is provided with sliding slot 35 towards cavity 10, and sliding seat 72 is slidably mounted along the extending direction of sliding slot 35
In sliding slot 35, guide groove 721 and mold insert component 722 are provided on sliding seat 72, guide groove 721 is parallel to the second guide part
722, and the second guide part 722 is located in guide groove 721, the cooperation that guide holder 71 passes through the second guide part 711 and guide groove 721
Connection driving sliding seat 72 is slided along sliding slot 35.Mold insert component 722 is arranged from sliding seat 72 towards cavity 10, and mold insert component
722 end is located in cavity 10, and mold insert component 722 is for being molded the back-off structure on injecting products 102.
In addition, rear cavity 31 is provided with locating piece 36 towards front cavity 21, locating piece 36 is from rear cavity 31 to front cavity 21
It shrinks；The positioning chamber 22 being connected with locating piece 36 is provided in front cavity 21, it is fixed when current mould bases 2 and rear mould bases 3 mold
Position block 36 is located in positioning strong 22.Preceding mould bases 2 and rear mould bases 3 when locating piece 36 and positioning chamber 22 can be to moldings are oriented to
Positioning, and locating piece 36 enables to the peripheral wall of locating piece 36 to be inclined to set in contraction setting, it is fixed to enter convenient for locating piece 36
In the chamber 22 of position, and as the molding of preceding mould bases 2 and rear mould bases 3 plays guiding role to preceding mould bases 2 and/or rear mould bases 3, before guarantee
The compactness of the molding of mould bases 2 and rear mould bases 3, and then the cavity 10 after molding is avoided gap occur, and avoid being molded when injection molding
Feed liquid leaks.
The course of work of needle-like injection mould for insert 100 is as follows：
Before needing to carry out mold-closing injection, first, needle-like inserts 101 is installed to the of removable insert 4 by equipment or by hand
On one mounting hole 411, then, removable insert 4 is installed on the inserts installation position 32 in rear cavity 31 by craft or equipment.
When removable insert 4 is installed, ensure the inlet of the free end of needle-like inserts 101 via the first guide part 341 of guidance set 34
Into in locating slot 33.
Then, preceding mould framing plate 1 and preceding mould bases 2, rear mould bases, rear mould framing plate 5 and thimble unit 6 are molded.So
Afterwards, make injection molding machine that will be molded feed liquid out of the injection hole 11 of preceding mould framing plate 1 injection cavity 10, to injecting injection molding material in cavity 10
Liquid, and injecting products 102 is waited for be cooled and shaped.
When injecting products 102 are cooled and shaped and needle-like injection mould for insert 100 is demoulded, mould framing plate 1 before first making
It is detached with preceding mould bases 2, rear mould bases 3, space is provided for the demoulding of injecting products 102.And current mould bases 2 and rear mould bases 3 are detached from process
In, mould bases 2 moves before the guide holders 71 of bitcells 7 can follow, and being gradually disengaged with preceding mould bases 2 and rear mould bases 3, is oriented to
Seat 71 drives sliding seat 72 to be slided along sliding slot 35 by the guide groove 721 of the second guide part 711 and sliding seat 72, so that sliding
Mold insert component 722 on dynamic seat 72 is detached from injecting products 102, and is moved to outside cavity 10, realizes the back-off knot of injecting products 102
The separation of structure and mold insert component 722.
Then, along third guide post 51, mould bases 3 moves thimble unit 6 backward so that the top of the thimble group 62 of thimble unit 6
Needle 621 is pierced by rear cavity 31, the connection injecting products 102 of removable insert 4 is ejected together so that removable insert 4 and injecting products
102 are detached from rear cavity simultaneously, complete the demoulding to injecting products 102 and handle.It is ready for mold-closing injection next time.
To sum up, the present invention is on rear mould bases by being arranged removable insert, and in removable insert for installing needle-like
The position of first mounting hole of inserts is configured so that needle-like inserts can be fixed, and can be ensured embedding in needle-like
Needle-like inserts does not deform when part mold is molded.In addition, the needle-like injection mould for insert can either be suitable for horizontal note
Molding machine, but the prior art can be overcome to be processed using vertical injection molding machine when need to be arranged two rear molds come to injecting products into
The shortcomings that row molding so that needle-like injection mould for insert provided by the invention is applicable to horizontal injection press processing, has and uses
Advantage convenient, production cost is low, and needle-like inserts can be fixed, ensure that needle-like inserts does not become when molding
Shape.
Finally it is emphasized that the foregoing is merely the preferred embodiment of the present invention, it is not intended to restrict the invention, it is right
For those skilled in the art, the present invention can have various change and change, all within the spirits and principles of the present invention,
Any modification, equivalent substitution, improvement and etc. done, should all be included in the protection scope of the present invention.
Claims (10)
1. needle-like injection mould for insert, including
Preceding mould bases, the preceding mould bases are provided with front cavity；
Mould bases afterwards, the rear mold erection are equipped with the first guide post, and the preceding mould bases is slidably connected with first guide post, described
Mould bases has rear cavity afterwards, and cavity is surrounded between the rear cavity and the front cavity；
It is characterized in that：
Mould bases includes removable insert after described, and the first mounting hole for placing needle-like inserts is provided in the removable insert,
The axis of first mounting hole and the axis of first guide post are mutually perpendicular to；
Inserts installation position and locating slot are provided in the rear cavity, the removable insert is removably mounted on the inserts peace
It fills in position, the locating slot is arranged towards first mounting hole, the orientation axis of the locating slot and first mounting hole
The setting of axis co-axial line, first mounting hole and the locating slot are located at the both sides of the cavity.
2. needle-like injection mould for insert according to claim 1, it is characterised in that：
Guidance set is provided with above the locating slot, the guidance set has the first guide part, the first guide part packet
Two guide surfaces are included, the distance between two described guide surfaces are from the inlet of first guide part to first guide part
Exit reduce, and the outlet of first guide part is connected to the locating slot.
3. needle-like injection mould for insert according to claim 2, it is characterised in that：
The inserts installation position is from the opening of itself to the bottom crimp of itself；
The peripheral wall of the removable insert is inclined to set, and the peripheral wall of the removable insert and the peripheral wall of the inserts installation position are matched
Close connection.
4. needle-like injection mould for insert according to claim 3, it is characterised in that：
The bottom of the inserts installation position is provided with guiding with extending along being axially facing in the rear cavity for first guide post
Hole；
The removable insert is provided with guiding axis outside towards itself, and the guiding axis is located in the pilot hole.
5. needle-like injection mould for insert according to claim 4, it is characterised in that：
The removable insert includes：
The peripheral wall of pedestal, the pedestal is inclined to set, and first mounting hole is located on the pedestal, is also set on the pedestal
It is equipped with the second mounting hole, the guiding axis is located in second mounting hole；
Briquetting, the briquetting lid close on second mounting hole, and the guiding axis is detachably connected to the pedestal and institute
It states between briquetting.
6. needle-like injection mould for insert according to claim 5, it is characterised in that：
The pedestal is provided with forming tank in the open end of first mounting hole, and the forming tank is connected to the cavity, institute
The contour line for stating forming tank is overlapped with the contour line of the cavity towards the opening of the side of the pedestal.
7. needle-like injection mould for insert according to any one of claims 1 to 6, it is characterised in that：
The needle-like injection mould for insert further includes bitcells, and the bitcells include：
Guide holder, the guide holder are mounted in the front cavity, are provided with the second guide part on the guide holder, and described second
Guide part is arranged towards the rear mold frame and is inclined to set outside towards the rear mould bases；
Sliding seat, the rear cavity are provided with sliding slot towards the cavity, and the sliding seat is slidably mounted in the sliding slot
It is interior, it is provided with guide groove and mold insert component on the sliding seat, the guide groove is parallel to second guide part, and described second
Guide part is located in the guide groove, and the mold insert component is arranged from the sliding seat towards the cavity, and the mold insert group
The end of part is located in the cavity.
8. needle-like injection mould for insert according to claim 7, it is characterised in that：
The rear cavity is provided with locating piece towards the front cavity, and the locating piece is received from the rear cavity to the front cavity
Contracting；
The positioning chamber being connected with the locating piece is provided in the front cavity, the locating piece is located at the positioning chamber
It is interior.
9. needle-like injection mould for insert according to claim 8, it is characterised in that：
The needle-like injection mould for insert further includes：
Thimble unit, is provided with the second guide post and thimble group on the thimble unit, it is described after mould bases can with second guide post
It is slidably connected, the thimble of the thimble group is arranged towards the cavity, and the thimble both passes through the rear cavity；
Mould framing plate afterwards is provided with third guide post on mould framing plate after described, and the thimble unit can be slided with the third guide post
It connects dynamicly；
Position sensor, the position sensor are mounted on the rear mould framing plate, the test side court of the position sensor
It is arranged to the thimble unit.
10. needle-like injection mould for insert according to claim 9, it is characterised in that：
The thimble unit is additionally provided with resilient snubber, and the resilient snubber is connected to the thimble unit and the rear mold
Between frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810684353.6A CN108527779B (en) | 2018-06-28 | 2018-06-28 | Needle type insert injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810684353.6A CN108527779B (en) | 2018-06-28 | 2018-06-28 | Needle type insert injection mold |
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| Publication Number | Publication Date |
|---|---|
| CN108527779A true CN108527779A (en) | 2018-09-14 |
| CN108527779B CN108527779B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810684353.6A Active CN108527779B (en) | 2018-06-28 | 2018-06-28 | Needle type insert injection mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501119A (en) * | 2018-12-28 | 2019-03-22 | 青岛海泰科模具有限公司 | The detection device whether mold insert is installed |
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| CN208529609U (en) * | 2018-06-28 | 2019-02-22 | 三威实业（珠海）有限公司 | Needle-like injection mould for insert |
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| US20080012173A1 (en) * | 2006-07-13 | 2008-01-17 | Sumitomo Wiring Systems, Ltd. | Method of producing insert-molded product and insert-molding die |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108527779B (en) | 2023-11-24 |
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