CN109531928A - A kind of injection mold - Google Patents
A kind of injection mold Download PDFInfo
- Publication number
- CN109531928A CN109531928A CN201710857179.6A CN201710857179A CN109531928A CN 109531928 A CN109531928 A CN 109531928A CN 201710857179 A CN201710857179 A CN 201710857179A CN 109531928 A CN109531928 A CN 109531928A
- Authority
- CN
- China
- Prior art keywords
- pin
- hole
- mandril
- punch
- injection mold
- 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
Links
- 238000002347 injection Methods 0.000 title claims abstract description 43
- 239000007924 injection Substances 0.000 title claims abstract description 43
- 239000007787 solid Substances 0.000 claims abstract description 40
- 238000001746 injection moulding Methods 0.000 claims abstract description 24
- 238000010521 absorption reaction Methods 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 17
- 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 abstract description 11
- 238000007789 sealing Methods 0.000 claims description 19
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 239000000243 solution Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1742—Mounting of moulds; Mould supports
-
- 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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- 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
- B29C45/34—Moulds having venting means
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
-
- 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
- B29C45/1742—Mounting of moulds; Mould supports
- B29C2045/1746—Mounting of moulds; Mould supports using magnetic means
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of injection molds, belong to technical field of mold.Injection mold includes pedestal, cover half seat, dynamic model seat, pull rod, solid plate, moving template, mandril and at least one mould group, mould group includes the different punch-pin of at least two sizes, magnetic absorption part is provided on punch-pin, one of punch-pin in the same mould group by magnetic absorption act on it is separable be adsorbed on moving template or solid plate, mandril is through solid plate or moving template and for ejecting moulding and punch-pin out of injection molding cavity.Punch-pin can be adsorbed and be fixed in injection molding cavity and form boss by injection mold provided by the invention, when demoulding, it is only necessary to be released moulding and punch-pin together out of injection molding cavity using mandril, then again be unloaded punch-pin, structure is simple, easy for installation.Also, there are at least two punch-pin in a mould group, be adapted to boss with various sizes of situation, production cost is effectively reduced, improves working efficiency.
Description
Technical field
The present invention relates to technical field of mold, and in particular to a kind of injection mold.
Background technique
Injection mold (Injection mold) is a kind of processing side used when producing certain complex-shaped components in batches
Method is mainly used in industrial circle.Injection mold process is that the material of heated thawing is injected die cavity by high pressure, through cooling and solidifying
Afterwards, formed products are obtained；Two kinds of thermosetting plastic mold, thermoplastic plastic's mold is divided into according to shaping characteristic.
Existing injection mold is more numerous for the treatment process of the moulding in hole or boss with lateral concave, convex shape
Trivial, injection mold structure is complicated, and working efficiency is lower.
Summary of the invention
The purpose of the present invention is to provide a kind of injection mold,
In order to solve the above technical problem, the present invention provides following technical solutions:
A kind of injection mold, the injection mold include pedestal, cover half seat, dynamic model seat, pull rod, solid plate, moving template, mandril and
At least one mould group, the cover half seat are fixedly installed on the pedestal, and the quantity of the pull rod is at least two and fixed company
It is connected to the cover half seat, first through hole corresponding with the pull rod is provided on the dynamic model seat, the pull rod is slidably worn
It is arranged in the first through hole, the dynamic model seat can be slided along the pull rod, so that the dynamic model seats against near and far from described
Cover half seat, the solid plate are removably connected to the cover half seat, and the moving template is removably connected to the dynamic model seat,
The mould group includes the different punch-pin of at least two sizes, and the side of the punch-pin is adsorption plane, is provided on the adsorption plane
First blind hole is embedded with magnetic absorption part in first blind hole, one of them described punch-pin in the same mould group is logical
Cross magnetic absorption effect it is separable be adsorbed on the moving template or the solid plate, the solid plate and the moving template enclose
At injection molding cavity, the punch-pin is located in the injection molding cavity, and the punch-pin and the injection molding cavity surround the type chamber for casting jointly,
Be provided with the injection molding through-hole being connected to the type chamber on the cover half seat, the mandril be slidably arranged on the cover half seat or
The dynamic model seat, the mandril through the solid plate or the moving template and for by moulding and the punch-pin from the note
Mould intracavitary ejection.
Further, the injection mold further includes at least two groups positioning component, and the positioning component includes limited block, determines
Position spring and positioning ball, the cover half seat and/or the dynamic model seat are provided with the second blind hole, the inner surface of second blind hole
It is provided with the first internal screw thread, the limited block is provided with the first external screw thread corresponding with first internal screw thread, the limited block
It is set in the blind hole, the second through-hole is provided on the limited block, second through-hole is dome shape, second through-hole
Diameter be gradually increased from close to one end of the type chamber to the other end, the retaining spring and positioning ball are set to described the
In two blind holes, the positioning ball is pressed in second through-hole retaining spring and the positioning ball is from described
It is stretched out in two through-holes, at least two locating slots is provided on the adsorption plane of the punch-pin, the locating slot is dome shape, Mei Gesuo
State the positioning ball of positioning component described in being embedded with one group in locating slot.
Further, the injection mold further includes top-pressure part and press block, and the top-pressure part includes rotatable setting
In the shaft on the dynamic model seat and the motor for driving the shaft rotation, the outer surface of the shaft has the first slideway
With the second slideway, first slideway and second slideway cross-distribution and oppositely oriented in the shape of a spiral, described first is sliding
The one end in road and the smooth transition of one end of second slideway, the other end of first slideway and second slideway it is another
End smooth transition, first slideway and second slideway surround loop, and the press block is provided with third through-hole, institute
It states and is provided with sliding block in third through-hole, the sliding block is rotatably set in the third through-hole by shaft, the sliding block
Width be gradually reduced from the middle to both ends, the closing that the sliding block can be surrounded along first slideway and second slideway
Circuit sliding, so that the press block is close to or far from the type chamber；The mandril includes separator tube, buffer spring and ejection
Bar, the separator tube are fixed on the press block, and the knock-pin is slidably arranged in the separator tube, the buffering elastic
Spring is located in the separator tube and resists the knock-pin, and strip-shaped hole, the knock-pin are set on the side wall of the separator tube
Outer surface be provided with slide bar, the slide bar can be slided along the strip-shaped hole, the mandril relative to the separator tube most
Big operating range is greater than largest motion distance of the press block relative to the moving template.
Further, multiple threaded holes, axis of the multiple threaded hole along the knock-pin are provided on the knock-pin
To distribution, the threaded hole is provided with the second internal screw thread, the slide bar be provided with the second of second screw-internal thread fit outside
Screw thread, the slide bar selectivity cooperate with threaded hole described in one of them.
Further, the injection mold further includes pumped vacuum systems, and the pumped vacuum systems includes vacuum pump, air-breathing
Pipe, the first sealing rubber ring and the second sealing rubber ring, the mandril are provided with exhaust passage, and the exhaust passage is along the top
Bar axially extending and there are air inlet and air outlet, the gas outlet of the vacuum pump and the exhaust passage passes through the air-breathing
Pipe is connected to, and the fourth hole for wearing the mandril, the inner surface setting of the fourth hole are provided on the dynamic model seat
There is the first seal groove of annular, first seal groove is along the circumferentially distributed of the fourth hole, first sealing rubber ring
It is embedded in first seal groove and is bonded with the mandril, so that the mandril and dynamic model seat sealing, the exhaust
The air inlet in channel runs through the side wall of the mandril, and the side close to the solid plate of the moving template is provided with the of annular
Two seal grooves, second seal groove are set to the periphery of the type chamber, and second sealing rubber ring is fixed on the cover half
It plate and can be embedded in second seal groove, so that the solid plate and the moving template seal, the mandril is described in
In fourth hole sliding process, the air inlet of the exhaust passage has the first state being connected to the type chamber and described
One end close to the type chamber of mandril is flushed with the moving template, one far from the type chamber of first sealing rubber ring
Side and the second state disconnected with the type chamber.
Further, the quantity of the pull rod is four and is in distributed rectangular.
Further, removably connected between the solid plate and the cover half seat by bolt, the moving template with
It is removably connected between the dynamic model seat by bolt.
Further, it is removably connected between the magnetic absorption part and the punch-pin.
The beneficial effects obtained by the present invention are as follows being:
A kind of injection mold of the invention includes pedestal, cover half seat, dynamic model seat, pull rod, solid plate, moving template, mandril and at least
One mould group, mould group include the different punch-pin of at least two sizes, are provided with magnetic absorption part on punch-pin, in the same mould group
One of punch-pin by magnetic absorption act on it is separable be adsorbed on moving template or solid plate, mandril is through solid plate or dynamic
Template and for ejecting moulding and punch-pin out of injection molding cavity.
Punch-pin can be adsorbed and be fixed in injection molding cavity and form boss by injection mold provided by the invention, can be with after casting
The moulding for forming the hole or boss with lateral concave, convex shape, when demoulding, it is only necessary to using mandril by moulding and punch-pin from
It releases in injection molding cavity, then again unloads punch-pin together, structure is simple, easy for installation.Also, have extremely in a mould group
Few two punch-pin are adapted to boss with various sizes of situation, when moulding has nuance, it is entire not to need replacement
Solid plate or moving template, it is only necessary to replace punch-pin, production cost is effectively reduced, improves working efficiency.
Detailed description of the invention
It, below will be to needed in the embodiment in order to more clearly illustrate the technical solution in the embodiment of the present invention
Attached drawing is simply introduced, it should be apparent that, the accompanying drawings in the following description is only some embodiments recorded in the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of injection mold provided in an embodiment of the present invention；
Fig. 2 is the punch-pin of Fig. 1 and the connection relationship diagram of solid plate；
Fig. 3 is the partial enlargement diagram of Fig. 2；
Fig. 4 is the deployed configuration schematic diagram of shaft；
Fig. 5 is the structural schematic diagram of mandril.
Appended drawing reference correspondence is as follows:
10- injection mold；
11- cover half seat；12- dynamic model seat；13- pull rod；14- solid plate；15- moving template；16- mandril；17- mould group；18- press
Part；19- presses block；
110- is molded through-hole；150- type chamber；The first sealing rubber ring of 151-；160- separator tube；161- buffer spring；162- ejection
Bar；163- slide bar；170- punch-pin；171- magnetic absorption part；172- positioning component；173- limited block；174- retaining spring；175-
Positioning ball；180- shaft；181- motor；The first slideway of 182-；The second slideway of 183-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
Fig. 1 is the structural schematic diagram of injection mold provided in an embodiment of the present invention；The punch-pin and solid plate that Fig. 2 is Fig. 1
Connection relationship diagram；Fig. 3 is the partial enlargement diagram of Fig. 2；Fig. 4 is the deployed configuration schematic diagram of shaft；Fig. 5 is mandril
Structural schematic diagram.
Please refer to shown in Fig. 1, the embodiment of the invention provides a kind of injection mold 10, the injection mold 10 include pedestal,
Cover half seat 11, dynamic model seat 12, pull rod 13, solid plate 14, moving template 15, mandril 16 and at least one mould group 17, pedestal is in figure
It is not shown, pedestal can be rack, injection molding machine etc..
Cover half seat 11 is fixedly installed on pedestal, and the quantity of pull rod 13 is at least two and is fixedly connected on cover half seat 11,
First through hole corresponding with pull rod 13 is provided on dynamic model seat 12, pull rod 13 is slidably arranged in first through hole, dynamic model seat
12 can slide along pull rod 13, so that the close and separate cover half seat 11 of dynamic model seat 12.
In the present embodiment, the quantity of pull rod 13 can be for four and in distributed rectangular.
Solid plate 14 is removably connected to cover half seat 11, and moving template 15 is removably connected to dynamic model seat 12, solid plate
14 and moving template 15 surround injection molding cavity.
Specifically, removably being connected between solid plate 14 and cover half seat 11 by bolt, moving template 15 and dynamic model seat 12
Between removably connected by bolt.
Mould group 17 includes the different punch-pin 170 of at least two sizes, and the side of punch-pin 170 is adsorption plane, is set on adsorption plane
It is equipped with the first blind hole, magnetic absorption part 171, the connection side between magnetic absorption part 171 and punch-pin 170 are embedded in the first blind hole
Formula can be dismountable connection, and one of punch-pin 170 in the same mould group 17 is acted on separable by magnetic absorption
It is adsorbed on moving template 15 or solid plate 14.
Punch-pin 170 is located in injection molding cavity, and punch-pin 170 and injection molding cavity surround the type chamber 150 for casting, cover half seat 11 jointly
On be provided with the injection molding through-hole 110 being connected to type chamber 150.
Mandril 16 is slidably arranged on cover half seat 11 or dynamic model seat 12, mandril 16 through solid plate 14 or moving template 15 and
For moulding and punch-pin 170 to be ejected out of injection molding cavity.
Shown in referring to figure 2., in order to realize the accurate positionin of punch-pin 170 and easy to disassemble, it can use but be not limited to
Following scheme: injection mold 10 further includes at least two groups positioning component 172.
Shown in referring to figure 3., positioning component 172 includes limited block 173, retaining spring 174 and positioning ball 175.
Cover half seat 11 and/or dynamic model seat 12 are provided with the second blind hole, and the inner surface of the second blind hole is provided with the first internal screw thread,
Limited block 173 is provided with the first external screw thread corresponding with the first internal screw thread, and limited block 173 is set in blind hole.
The second through-hole is provided on limited block 173, the second through-hole is dome shape, and the diameter of the second through-hole is from by plesiotype chamber
150 one end is gradually increased to the other end, and retaining spring 174 and positioning ball 175 are set in the second blind hole, retaining spring
174 are pressed in positioning ball 175 in second through-hole and positioning ball 175 is stretched out out of second through-hole.
At least two locating slots are provided on the adsorption plane of punch-pin 170, locating slot is dome shape, embedding in each locating slot
Positioning ball 175 equipped with one group of positioning component 172.
The movement of the mandril 16 of injection mold 10 is realized by following scheme: injection mold 10 further includes top-pressure part 18 and top
Briquetting 19.
Top-pressure part 18 includes the shaft 180 that is rotatably set on dynamic model seat 12 and for driving shaft 180 to rotate
Motor 181.
Shown in referring to figure 4., the outer surface of shaft 180 has the first slideway 182 and the second slideway 183, the first slideway 182
With the second slideway 183 cross-distribution and oppositely oriented in the shape of a spiral, the one of one end of the first slideway 182 and the second slideway 183
The other end smooth transition of end smooth transition, the other end of the first slideway 182 and the second slideway 183, the first slideway 182 and second
Slideway 183 surrounds loop.
Press block 19 is provided with third through-hole, and sliding block is provided in third through-hole, and sliding block is rotatably set by shaft 180
It is placed in third through-hole, the width of sliding block is gradually reduced from the middle to both ends, and sliding block can be along the first slideway 182 and the second slideway
The 183 loop slidings surrounded, so that press block 19 is close to or far from type chamber 150.
Shown in referring to figure 5., wherein the specific structure of mandril 16 are as follows: mandril 16 includes separator tube 160, buffer spring 161
With knock-pin 162.
Separator tube 160 is fixed on press block 19, and knock-pin 162 is slidably arranged in separator tube 160, buffer spring
161 are located in separator tube 160 and resist knock-pin 162, are set to strip-shaped hole on the side wall of separator tube 160, knock-pin 162 it is outer
Surface is provided with slide bar 163, and slide bar 163 can be slided along strip-shaped hole.
Mandril 16 is greater than maximum fortune of the press block 19 relative to moving template 15 relative to the maximum activity distance of separator tube 160
Dynamic distance.
Top-pressure part 18, the structure collective effect for pressing block 19 and mandril 16, when moulding can not be detached from, effective protection note
Plastic and mandril 16 etc. be not by rigid action breaks down.
Slide bar 163 can be integrally formed with knock-pin 162, can also be used having structure: be provided on knock-pin 162 more
A threaded hole, multiple threaded holes are distributed along the axial direction of knock-pin 162, and threaded hole is provided with the second internal screw thread, and slide bar 163 is provided with
With the second external screw thread of the second screw-internal thread fit, 163 selectivity of slide bar cooperates with one of threaded hole.
For injection mold 10 in injection molding, moulding can have bubble, to influence the performance of moulding, ask to improve this
Topic, injection mold 10 further includes pumped vacuum systems.
Wherein, pumped vacuum systems includes vacuum pump, air intake duct, the first sealing rubber ring 151 and the second sealing rubber ring.
Mandril 16 is provided with exhaust passage, and exhaust passage is along the axially extending of mandril 16 and has air inlet and air outlet,
Vacuum pump is connected to the gas outlet of exhaust passage by air intake duct.
The fourth hole for wearing mandril 16 is provided on dynamic model seat 12, the inner surface of fourth hole is provided with annular
First seal groove, the first seal groove are embedded in the first seal groove along the circumferentially distributed of fourth hole, the first sealing rubber ring 151
And be bonded with mandril 16, so that mandril 16 and dynamic model seat 12 seal.
The air inlet of exhaust passage runs through the side wall of mandril 16, and the side of the close solid plate 14 of moving template 15 is provided with ring
Second seal groove of shape, the second seal groove are set to the periphery of type chamber 150, and the second sealing rubber ring is fixed on solid plate 14 and energy
It is enough embedded in the second seal groove, so that solid plate 14 and moving template 15 seal.
For mandril 16 along fourth hole sliding process, the air inlet of exhaust passage has the first shape being connected to type chamber 150
One end by plesiotype chamber 150 of state and mandril 16 is flushed with moving template 15, the remote release chamber 150 of the first sealing rubber ring 151
Side and with type chamber 150 disconnect the second state.
A kind of injection mold 10 of the invention includes pedestal, cover half seat 11, dynamic model seat 12, pull rod 13, solid plate 14, dynamic model
Plate 15, mandril 16 and at least one mould group 17, mould group 17 include the different punch-pin 170 of at least two sizes, are arranged on punch-pin 170
Be magnetic adsorption piece 171, and one of punch-pin 170 in the same mould group 17 acts on separable be adsorbed in by magnetic absorption
On moving template 15 or solid plate 14, mandril 16 through solid plate 14 or moving template 15 and for by moulding and punch-pin 170 from note
Mould intracavitary ejection.
The absorption of punch-pin 170 can be fixed in injection molding cavity and form boss, after casting by injection mold 10 provided by the invention
The hole with lateral concave, convex shape or the moulding of boss can be formed, when demoulding, it is only necessary to using mandril 16 by moulding and
Punch-pin 170 is released together out of injection molding cavity, then again unloads punch-pin 170, and structure is simple, easy for installation.Also, one
There are at least two punch-pin 170 in mould group 17, be adapted to boss with various sizes of situation, moulding has nuance
When, it does not need to replace entire solid plate 14 or moving template 15, it is only necessary to replace punch-pin 170, production cost is effectively reduced, mentions
High working efficiency.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to design of the invention
It is defined with range, without departing from the design concept of the invention, ordinary engineering and technical personnel is to this hair in this field
The all variations and modifications that bright technical solution is made should all fall into protection scope of the present invention, claimed skill of the invention
Art content is all documented in technical requirements book.
Claims (8)
1. a kind of injection mold, it is characterised in that: the injection mold includes pedestal, cover half seat (11), dynamic model seat (12), pull rod
(13), solid plate (14), moving template (15), mandril (16) and at least one mould group (17), cover half seat (11) fixed setting
In on the pedestal, the quantity of the pull rod (13) is at least two and is fixedly connected on the cover half seat (11), the dynamic model
It is provided with first through hole corresponding with the pull rod (13) on seat (12), the pull rod (13) is slidably arranged in described first
In through-hole, the dynamic model seat (12) can be slided along the pull rod (13), so that the dynamic model seat (12) is close and separate described
Cover half seat (11), the solid plate (14) are removably connected to the cover half seat (11), and the moving template (15) is dismountable
It is connected to the dynamic model seat (12), the mould group (17) includes the different punch-pin of at least two sizes (170), the punch-pin
(170) side is adsorption plane, is provided with the first blind hole on the adsorption plane, is embedded with magnetic absorption part in first blind hole
(171), one of them described punch-pin (170) in the same mould group (17) acts on separable absorption by magnetic absorption
In on the moving template (15) or the solid plate (14), the solid plate (14) and the moving template (15) surround injection molding cavity,
The punch-pin (170) is located in the injection molding cavity, and the punch-pin (170) and the injection molding cavity surround the type chamber for casting jointly
(150), the injection molding through-hole (110) being connected to the type chamber (150) is provided on the cover half seat (11), the mandril (16) can
Sliding is set to the cover half seat (11) or the dynamic model seat (12), and the mandril (16) runs through the solid plate (14) or institute
State moving template (15) and for ejecting moulding and the punch-pin (170) out of described injection molding cavity.
2. injection mold according to claim 1, it is characterised in that: the injection mold further includes at least two groups positioning group
Part (172), the positioning component (172) include limited block (173), retaining spring (174) and positioning ball (175), described fixed
Die holder (11) and/or the dynamic model seat (12) are provided with the second blind hole, and the inner surface of second blind hole is provided with spiral shell in first
Line, the limited block (173) are provided with the first external screw thread corresponding with first internal screw thread, limited block (173) setting
In in the blind hole, being provided with the second through-hole on the limited block (173), second through-hole is dome shape, and described second is logical
The diameter in hole is gradually increased from one end close to the type chamber (150) to the other end, the retaining spring (174) and positioning ball
(175) it is set in second blind hole, the positioning ball (175) is pressed in described second by the retaining spring (174)
In through-hole and the positioning ball (175) is stretched out out of described second through-hole, be provided on the adsorption plane of the punch-pin (170) to
Few two locating slots, the locating slot are dome shape, be embedded with one group in each locating slot described in positioning component (172)
Positioning ball (175).
3. injection mold according to claim 1, it is characterised in that: the injection mold further includes top-pressure part (18) and top
Briquetting (19), the top-pressure part (18) include the shaft (180) that is rotatably set on the dynamic model seat (12) and for band
The motor (181) of the shaft (180) rotation is moved, there are the first slideway (182) and second to slide for the outer surface of the shaft (180)
Road (183), first slideway (182) and second slideway (183) cross-distribution and oppositely oriented in the shape of a spiral, it is described
One end of first slideway (182) and one end of second slideway (183) smooth transition, first slideway (182) it is another
The other end of end and second slideway (183) seamlessly transits, and first slideway (182) and second slideway (183) enclose
At loop, the press block (19) is provided with third through-hole, and sliding block is provided in the third through-hole, and the sliding block passes through
Shaft (180) is rotatably set in the third through-hole, and the width of the sliding block is gradually reduced from the middle to both ends, described
Sliding block can be along the loop sliding that first slideway (182) and second slideway (183) surround, so that the press
Block (19) is close to or far from the type chamber (150)；The mandril (16) includes separator tube (160), buffer spring (161) and ejection
Bar (162), the separator tube (160) are fixed on the press block (19), and the knock-pin (162) is slidably arranged on described
In separator tube (160), the buffer spring (161) is located in the separator tube (160) and resists the knock-pin (162), institute
It states and is set to strip-shaped hole on the side wall of separator tube (160), the outer surface of the knock-pin (162) is provided with slide bar (163), described
Slide bar (163) can be slided along the strip-shaped hole, maximum activity distance of the mandril (16) relative to the separator tube (160)
Largest motion distance greater than press block (19) relative to the moving template (15).
4. injection mold according to claim 3, it is characterised in that: be provided with multiple screw threads on the knock-pin (162)
Hole, for the multiple threaded hole along the axial direction distribution of the knock-pin (162), the threaded hole is provided with the second internal screw thread, described
Slide bar (163) is provided with the second external screw thread with second screw-internal thread fit, slide bar (163) selectivity with wherein one
A threaded hole cooperation.
5. injection mold according to claim 1, it is characterised in that: the injection mold further includes pumped vacuum systems, institute
Stating pumped vacuum systems includes vacuum pump, air intake duct, the first sealing rubber ring (151) and the second sealing rubber ring, the mandril
(16) it is provided with exhaust passage, the exhaust passage is along the axially extending of the mandril (16) and has air inlet and air outlet,
The vacuum pump is connected to the gas outlet of the exhaust passage by the air intake duct, is provided with and is used on the dynamic model seat (12)
Wearing the fourth hole of the mandril (16), the inner surface of the fourth hole is provided with the first seal groove of annular, and described the
One seal groove is circumferentially distributed along the fourth hole, and first sealing rubber ring (151) is embedded at first seal groove
It is interior and be bonded with the mandril (16) so that the mandril (16) and the dynamic model seat (12) sealing, the exhaust passage into
Port runs through the side wall of the mandril (16), and the side close to the solid plate (14) of the moving template (15) is provided with annular
The second seal groove, second seal groove is set to the periphery of the type chamber (150), and second sealing rubber ring is fixed on
It the solid plate (14) and can be embedded in second seal groove, so that the solid plate (14) and the moving template (15)
Sealing, along the fourth hole sliding process, the air inlet of the exhaust passage has and the type chamber mandril (16)
(150) one end and the moving template (15) close to the type chamber (150) of the first state and the mandril (16) that are connected to
Flush, first sealing rubber ring (151) far from the type chamber (150) side and with the type chamber (150) disconnect
Second state.
6. injection mold according to claim 1, it is characterised in that: the quantity of the pull rod (13) is four and is in rectangle
Distribution.
7. injection mold according to claim 1, it is characterised in that: the solid plate (14) and the cover half seat (11) it
Between removably connected by bolt, pass through bolt between the moving template (15) and the dynamic model seat (12) and removably connect
It connects.
8. injection mold according to claim 1, it is characterised in that: the magnetic absorption part (171) and the punch-pin
(170) it is removably connected between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710857179.6A CN109531928B (en) | 2017-09-21 | 2017-09-21 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710857179.6A CN109531928B (en) | 2017-09-21 | 2017-09-21 | Injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109531928A true CN109531928A (en) | 2019-03-29 |
| CN109531928B CN109531928B (en) | 2021-10-12 |
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ID=65827936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710857179.6A Active CN109531928B (en) | 2017-09-21 | 2017-09-21 | Injection mold |
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| Country | Link |
|---|---|
| CN (1) | CN109531928B (en) |
Cited By (6)
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| CN110116478A (en) * | 2019-06-19 | 2019-08-13 | 易伟青 | A kind of injection mold with degassing function |
| CN110154326A (en) * | 2019-06-19 | 2019-08-23 | 易伟青 | A kind of injection mold with refrigerating function |
| CN111070579A (en) * | 2020-01-09 | 2020-04-28 | 萨秘特实业(东莞)有限公司 | Buffer type plastic mold with bumps |
| CN113601773A (en) * | 2021-09-30 | 2021-11-05 | 南通鑫晶电子科技有限公司 | Transmission type chip packaging device |
| CN114103028A (en) * | 2021-12-08 | 2022-03-01 | 江苏正拓包装科技有限公司 | Finished product ejection device and method of injection mold for bottle cap production |
| CN115301921A (en) * | 2022-08-30 | 2022-11-08 | 辽宁华天航空科技股份有限公司 | Titanium alloy hot forming die capable of rapidly opening die and using method thereof |
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| CN110116478A (en) * | 2019-06-19 | 2019-08-13 | 易伟青 | A kind of injection mold with degassing function |
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| CN111070579A (en) * | 2020-01-09 | 2020-04-28 | 萨秘特实业(东莞)有限公司 | Buffer type plastic mold with bumps |
| CN113601773A (en) * | 2021-09-30 | 2021-11-05 | 南通鑫晶电子科技有限公司 | Transmission type chip packaging device |
| CN113601773B (en) * | 2021-09-30 | 2021-12-07 | 南通鑫晶电子科技有限公司 | Transmission type chip packaging device |
| CN114103028A (en) * | 2021-12-08 | 2022-03-01 | 江苏正拓包装科技有限公司 | Finished product ejection device and method of injection mold for bottle cap production |
| CN115301921A (en) * | 2022-08-30 | 2022-11-08 | 辽宁华天航空科技股份有限公司 | Titanium alloy hot forming die capable of rapidly opening die and using method thereof |
| CN115301921B (en) * | 2022-08-30 | 2024-03-01 | 辽宁华天航空科技股份有限公司 | Titanium alloy thermoforming mold capable of rapidly opening mold and application method thereof |
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| CN109531928B (en) | 2021-10-12 |
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Effective date of registration: 20210923 Address after: 215400 Fuqiao Industrial Zone, Fuqiao Town, Taicang City, Suzhou City, Jiangsu Province Applicant after: TAICANG LANGSHENG METAL PRODUCTS Co.,Ltd. Address before: 312300 No. 015, Nan'an new village, xujiatang village, Cao'e street, Shangyu District, Shaoxing City, Zhejiang Province Applicant before: Xu Jixiang |
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