CN110682511B - Movable seat, mold locking device and injection molding machine - Google Patents
Movable seat, mold locking device and injection molding machine Download PDFInfo
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- CN110682511B CN110682511B CN201910842302.6A CN201910842302A CN110682511B CN 110682511 B CN110682511 B CN 110682511B CN 201910842302 A CN201910842302 A CN 201910842302A CN 110682511 B CN110682511 B CN 110682511B
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- base body
- connecting part
- connecting portion
- guide
- seat
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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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/66—Mould opening, closing or clamping devices mechanical
- B29C45/661—Mould opening, closing or clamping devices mechanical using a toggle mechanism for mould clamping
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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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/66—Mould opening, closing or clamping devices mechanical
- B29C45/661—Mould opening, closing or clamping devices mechanical using a toggle mechanism for mould clamping
- B29C2045/662—Mould opening, closing or clamping devices mechanical using a toggle mechanism for mould clamping using toggles directly connected or linked to the fixed platen and indirectly to the movable platen
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a movable seat, a mold locking device and an injection molding machine, which comprise a template base body, a machine hinge base body, a connecting base body and a guide seat, wherein the template base body and the machine hinge base body are respectively arranged at two ends of the connecting base body, and the interval sets up and the vacuole formation between template base member and the machine hinge base member, it includes first connecting portion that fixed connection is in the same place in proper order to connect the base member, the second connecting portion, third connecting portion and fourth connecting portion, first connecting portion, the second connecting portion, the both ends of third connecting portion and fourth connecting portion are equallyd divide do not with the template base member, machine hinge base member fixed connection, first breach has all been seted up on first connecting portion and the third connecting portion, first breach intercommunication is external and the cavity, all be equipped with first strengthening rib on second connecting portion and the fourth connecting portion, the guide holder is installed on the corner position of connecting the base member, the guide holder is offered and is used for the guiding hole with pull rod sliding fit. The movable seat can effectively reduce the deformation, improve the guiding precision and prolong the service life.
Description
Technical Field
The invention relates to the technical field of injection molding, in particular to a movable seat, a mold locking device and an injection molding machine.
Background
An injection molding machine, also known as an injection molding machine or an injection molding machine, is a main molding apparatus for molding thermoplastic plastics or thermosetting materials into plastic products of various shapes using a plastic molding die.
Structurally, an injection molding machine generally includes an injection unit, a mold clamping unit, a hydraulic transmission unit, an electrical control system, a lubrication system, and a heating and cooling system. The mould locking device mainly comprises a head plate, a moving seat, a tail plate, an ejection mechanism for ejecting a molded injection part and a mould closing oil cylinder, wherein the head plate and the tail plate are respectively positioned at two ends of the moving seat, and the head plate, the moving seat and the tail plate are connected through a pull rod, the head plate is used for installing a fixed mould, the moving seat is used for installing a movable mould, the mould closing oil cylinder is installed on the tail plate, the moving seat drives the movable mould to move on the pull rod so as to realize mould closing or mould opening, the power for moving the mould closing oil cylinder is derived from a piston rod or a connecting rod of the mould closing oil cylinder connected with the moving seat, the connection generally adopts a hinge mode, namely, a machine hinge connecting seat is arranged on the moving seat so as.
Among the parts in the mold clamping device, the movable base is an important rigid part in the mold clamping device and has the functions of fixing the movable mold, moving and guiding and installing the ejection mechanism. In the prior art, the movable seat comprises a template base body, a guide cylinder provided with a guide hole and a machine hinged connection seat system, wherein the guide hole is used for being in sliding fit with the pull rod, and the guide cylinder and the machine hinged connection seat system are arranged on the template base body.
However, because the guide cylinder direct mount in foretell removal seat is in the template base member and with this template base member an organic whole setting, during the compound die, the pull rod is bearing huge pulling force, at this moment, if the template base member warp too big, the guide cylinder will receive the influence of template base member and produce the position and move, will lead to the clearance elimination of setting for between template base member and the pull rod under the adverse circumstances, produce extra transverse force and act on the pull rod, light then lead to the pull rod aggravation to warp, heavy then lead to the pull rod fracture, when influencing the motion direction of injection molding machine removal seat, the life of pull rod has greatly reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a movable seat which can effectively reduce the deformation, improve the guiding precision and prolong the service life.
Another object of the present invention is to provide a mold clamping apparatus, which employs the movable base.
The invention also aims to provide an injection molding machine, which is applied with the movable base
One of the purposes of the invention is realized by adopting the following technical scheme:
the movable base comprises a template base body, a machine hinge base body, a connecting base body and a guide seat, wherein the template base body is used for installing a movable die, the template base body and the machine hinge base body are respectively and fixedly installed at two ends of the connecting base body, a cavity for accommodating an ejection mechanism is formed between the template base body and the machine hinge base body at intervals, the connecting base body comprises a first connecting part, a second connecting part, a third connecting part and a fourth connecting part which are sequentially and fixedly connected together, two ends of the first connecting part, the second connecting part, the third connecting part and the fourth connecting part are respectively and fixedly connected with the template base body and the machine hinge base body, first notches are formed in the first connecting part and the third connecting part, the first notches are communicated with the outside and the cavity, and first reinforcing ribs are arranged on the inner wall and the outer wall of the second connecting part and the fourth connecting part, the guide holder is installed on the corner position of connecting the base member, the guide holder is seted up and is used for with pull rod sliding fit's guiding hole.
Further, first connecting portion, second connecting portion, third connecting portion and fourth connecting portion all indent in template base member, machine hinge base member set up, just the second connecting portion with the inner wall and the outer wall of fourth connecting portion all are equipped with first strengthening rib locates the first strengthening rib of the inner wall of second connecting portion or fourth connecting portion is by with the mode of slope inwards the bottom of second connecting portion or fourth connecting portion extends to the bottom surface of template base member is located the first strengthening rib of the outer wall of second connecting portion or fourth connecting portion is by the mode of slope outwards the top of second connecting portion or fourth connecting portion extends to the top surface of machine hinge base member.
Further, the guide holder is equipped with four, the corner position department of the outer wall of second connecting portion or fourth connecting portion all is equipped with first strengthening rib, the guide holder with locate be equipped with the second strengthening rib between the first strengthening rib on the outer wall of second connecting portion or fourth connecting portion, just the second strengthening rib is close to the top surface setting of machine hinge base member.
Furthermore, the edge of the template base body protrudes out of the connecting base body to form a protruding portion, and a plurality of third reinforcing ribs arranged at intervals are arranged on one side, close to the connecting base body, of the protruding portion.
Further, the third reinforcing ribs are arc-shaped.
Furthermore, a second notch is formed in the corner position of the template base body, the position of the second notch corresponds to the position of the guide seat, and the second notch is used for the pull rod to penetrate through.
Furthermore, the guide bases are four and are fixedly installed at four corner positions of the connecting base body respectively, and the machine hinge base body is located in a space surrounded by the four guide bases.
Further, the machine hinge base member includes fixed plate and at least a pair of articulated seat, the fixed plate with connect base member fixed connection, at least a pair of articulated seat with symmetrical arrangement's mode respectively fixed mounting in the both ends of fixed plate, and first connecting portion or third connecting portion are located a pair of between the articulated seat.
Furthermore, a third gap is formed in the fixing plate and is communicated with the cavity and the outside.
The second purpose of the invention is realized by adopting the following technical scheme:
the mold locking device comprises the movable seat.
The third purpose of the invention is realized by adopting the following technical scheme:
the injection molding machine comprises the movable seat.
Compared with the prior art, the invention has the beneficial effects that:
the guide seat is arranged on the connecting base body, so that the guide seat, the template base body and the machine hinge base body are separately arranged, when the machine hinge base body is subjected to the mold locking force or the mold opening force of the machine hinge mechanism, the mold locking force or the mold opening force directly acts on the bottom surface of the template base body through the connecting base body and the first reinforcing ribs, the action on the guide seat is avoided, the coupling action among stress areas of different parts is reduced, the influence of the acting force transmitted from the machine hinge base body on the template base body is weakened, the influence of the acting force transmitted from the machine hinge base body on the guide seat is weakened, the position movement of the guide seat can be effectively avoided, the guide precision is improved, the integral deformation of the moving seat in the working process can be reduced, the uniform stress of the moving seat is facilitated, the quality of a product is improved, the service life of the moving seat is prolonged, in addition, through forming the cavity between template base member and the quick-witted hinge base member to set up this cavity of intercommunication and external first breach on first connecting portion, third connecting portion, all be equipped with first strengthening rib on second connecting portion, fourth connecting portion, when not reducing this bulk strength who removes the seat, effectively alleviateed weight, realized this lightweight setting that removes the seat.
Drawings
FIG. 1 is a schematic structural view of a movable base according to the present invention in a first viewing angle state;
fig. 2 is a schematic structural view of the movable base shown in fig. 1 in a second viewing angle state.
In the figure: 1. a template base; 11. a second notch; 12. a third reinforcing rib; 13. a threaded hole; 14. a T-shaped slot; 15. an ejection aperture; 2. connecting the substrates; 21. a first connection portion; 211. a first notch; 22. a second connecting portion; 221. a first reinforcing rib; 222. a second reinforcing rib; 3. a mechanically hinged base; 31. a fixing plate; 311. a third notch; 32. a hinged seat; 4. a guide seat; 41. and (4) a guide hole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
Referring to fig. 1-2, a movable base according to a preferred embodiment of the present invention is shown, which includes a mold plate base 1, a machine hinge base 3, a connecting base 2 and four guide bases 4, wherein the mold plate base 1 is used for mounting a movable mold (also called a movable mold plate, the movable mold plate is generally mounted on the top surface of the mold plate base 1), the machine hinge base 3 is used for connecting with a machine hinge mechanism of an injection molding machine, the mold plate base 1 and the machine hinge base 3 are respectively and fixedly mounted at two ends of the connecting base 2, a cavity for accommodating an ejection mechanism is formed between the mold plate base 1 and the machine hinge base 3 at an interval, the connecting base 2 includes a first connecting portion 21, a second connecting portion 22, a third connecting portion and a fourth connecting portion which are sequentially and fixedly connected together, two ends of the first connecting portion 21, the second connecting portion 22, the third connecting portion and the fourth connecting portion are respectively and fixedly connected with the mold plate base 1 and the, first breach 211 has all been seted up on first connecting portion 21 and the third connecting portion, and this first breach 211 intercommunication is external and the cavity, all is equipped with first strengthening rib 221 on second connecting portion 22 and the fourth connecting portion, and four guide holder 4 are installed respectively on the corner position of connecting base member 2, and guide holder 4 is seted up and is used for with pull rod sliding fit's guiding hole 41.
According to the movable seat, the guide seat 4 is arranged on the connecting base body 2, so that the guide seat 4 is arranged separately from the template base body 1 and the machine hinge base body 3, when the machine hinge base body 3 is subjected to the mold locking force or the mold opening force of the machine hinge mechanism, the mold locking force or the mold opening force directly acts on the bottom surface of the template base body 1 through the connecting base body 2 and the first reinforcing rib 221, the effect on the guide seat 4 is avoided, the coupling effect between stress areas of different parts is reduced, the influence of the acting force transmitted from the machine hinge base body 3 on the template base body 1 is weakened, the influence of the acting force transmitted from the acting force on the guide seat 4 is weakened, the position movement of the guide seat 4 can be effectively avoided, the guide precision is improved, meanwhile, the integral deformation of the movable seat in the working process can be reduced, and the uniform stress of the movable seat is facilitated, thereby do benefit to the quality that improves the product, the life of this removal seat of extension, in addition, through at the vacuole formation between template base member 1 and machine hinge base member 3, and set up this cavity of intercommunication and external first breach 211 on first connecting portion 21, third connecting portion, all be equipped with first strengthening rib 221 on second connecting portion 22, fourth connecting portion, when not reducing the bulk strength of this removal seat, effectively alleviateed weight, realize the lightweight setting of this removal seat.
As a preferred embodiment, the guiding hole 41 is embedded with a copper sleeve, which is used for matching with the pull rod, so that the guiding seat 4 can be prevented from being directly worn, when the copper sleeve is worn, only the copper sleeve needs to be replaced in time, and the whole moving seat does not need to be replaced, thereby prolonging the service life of the moving seat and reducing the maintenance cost. Specifically, this guide holder 4 sets up with connecting between the base member 2 integratively, and adopts integrative cast mode casting shaping between template base member 1, the machine hinge base member 3 and the connection base member 2 to reduce the manufacturing difficulty.
As a preferred embodiment, the first connection portion 21, the second connection portion 22, the third connection portion, and the fourth connection portion are all recessed in the form base 1 and the machine hinge base 3, and the inner wall and the outer wall of the second connection portion 22 and the fourth connection portion are all fixedly provided with the first reinforcing rib 221, the first reinforcing rib 221 provided on the inner wall of the second connection portion 22 or the fourth connection portion extends from the bottom of the second connection portion 22 or the fourth connection portion to the bottom surface of the form base 1 in an inwardly inclined manner so as to be able to enhance the supporting function of the form base 1, thereby providing sufficient supporting force for the form base 1 and reducing the possibility of deformation or fracture of the form base 1, while the first reinforcing rib 221 provided on the outer wall of the second connection portion 22 or the fourth connection portion extends from the top portion of the second connection portion 22 or the fourth connection portion to the top surface of the machine hinge base 3 in an outwardly inclined manner, so as to strengthen the supporting function of the machine hinge base body 3, thereby providing enough supporting force for the machine hinge base body 3 and reducing the possibility of deformation or fracture of the machine hinge base body 3.
As shown in fig. 1, the corner positions of the outer wall of the second connecting portion 22 or the fourth connecting portion are all fixedly provided with the first reinforcing ribs 221, that is, two corner positions of the outer wall of the second connecting portion 22 and two corner positions of the outer wall of the fourth connecting portion are all provided with the two first reinforcing ribs 221, the guide seat 4 and the first reinforcing ribs 221 arranged on the outer wall of the second connecting portion 22 or the fourth connecting portion are fixedly provided with the second reinforcing ribs 222, and the second reinforcing ribs 222 are arranged close to the top surface of the hinge base body 3, so that the connection between the guide seat 4 and the connecting base body 2 can be reinforced, and the strength and rigidity of the guide seat 4 can be improved.
As a preferred embodiment, the edge of the template base body 1 protrudes from the connecting base body 2 to form a protruding portion, and one surface of the protruding portion close to the connecting base body 2 is provided with a plurality of third reinforcing ribs 12 arranged at intervals, so that the overall structure of the template base body 1 can be reinforced, and the possibility of deformation or fracture of the template base body 1 can be further reduced. In a preferred embodiment, the third ribs 12 are arcuate in shape to avoid stress concentrations. Of course, in other embodiments, the second reinforcing rib 222 may have a rectangular or other shape.
As a preferred embodiment, a second notch 11 is opened at a corner position of the formwork base body 1, a position of the second notch 11 corresponds to a position of the guide seat 4, and the second notch 11 is used for a pull rod to pass through. So, when can avoid the whole size of increase connection base member 2, still be favorable to reducing the whole weight of template base member 1 to make this overall structure who removes the seat compacter, more be favorable to this lightweight design that removes the seat.
Specifically, in order to facilitate mounting of the movable mold, a threaded hole 13 and a T-shaped groove 14 are formed in the mold plate base body 1, positioning between the mold plate base body 1 and the movable mold is achieved through the T-shaped groove 14, and fixation between the mold plate base body 1 and the movable mold is achieved through connection of a screw and the threaded hole 13. In addition, the template base body 1 is provided with an ejection hole 15 through which an ejection rod of the ejection mechanism passes.
Specifically, the machine hinge base body 3 is located in the space surrounded by the four guide seats 4, the machine hinge base body 3 comprises a fixing plate 31 and at least one pair of hinge seats 32, the fixing plate 31 is fixedly connected with the connecting base body 2, and the at least one pair of hinge seats 32 are respectively and fixedly installed at two ends of the fixing plate 31 in a symmetrical arrangement mode, so that the machine hinge base body 3 can be stressed more uniformly, the first connecting portion 21 or the third connecting portion are located between the pair of hinge seats 32, the strength and the rigidity of the main stress part of the fixing portion are prevented from being weakened, and meanwhile, the installation of the ejection mechanism is facilitated, and it can be understood that the ejection mechanism is installed in the middle position of the fixing plate 31. In the present embodiment, the number of the hinge bases 32 can be set according to the requirement, that is, the number of the hinge bases 32 is 4, and they are integrally provided with the fixed plate 31.
As a preferred embodiment, at least one or a plurality of third notches 311 are formed in the fixing plate 31, the third notches 311 are disposed to communicate the cavity with the outside, and the third notches 311 are disposed near the end of the fixing plate 31, so that the mass of the fixing plate 31 can be reduced, and the weakening of the overall strength and rigidity of the fixing plate 31 can be avoided.
In another aspect of the invention, the mold clamping device and the injection molding machine applying the movable base are also provided. The guide seat 4 penetrates into a pull rod of the injection molding machine, connecting rods on the injection molding machine are respectively connected onto the hinge seats 32, and when the connecting rods push or pull the machine hinge base body 3, the moving seats drive the moving die to move along the pull rod, so that the action of locking or opening the die is realized.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (8)
1. The movable seat is characterized by comprising a template base body, a machine hinge base body, a connecting base body and a guide seat, wherein the template base body and the machine hinge base body are respectively and fixedly arranged at two ends of the connecting base body, a cavity is formed between the template base body and the machine hinge base body at intervals, the connecting base body comprises a first connecting part, a second connecting part, a third connecting part and a fourth connecting part which are sequentially and fixedly connected together, two ends of the first connecting part, the second connecting part, the third connecting part and the fourth connecting part are respectively and fixedly connected with the template base body and the machine hinge base body, first notches are formed in the first connecting part and the third connecting part, first reinforcing ribs are arranged on the second connecting part and the fourth connecting part, the guide seat is arranged at the corner position of the connecting base body, and guide holes used for sliding fit with pull rods are formed in the guide seat, the first connecting part, the second connecting part, the third connecting part and the fourth connecting part are all inwards arranged in the template base body and the machine hinge base body, the inner wall and the outer wall of the second connecting part and the fourth connecting part are respectively provided with the first reinforcing rib, the first reinforcing rib arranged on the inner wall of the second connecting part or the fourth connecting part extends to the bottom surface of the template base body from the bottom of the second connecting part or the fourth connecting part in an inwards inclined mode, the first reinforcing rib arranged on the outer wall of the second connecting part or the fourth connecting part extends to the top surface of the machine hinge base body from the top of the second connecting part or the fourth connecting part in an outwards inclined mode, the guide seats are four, the first reinforcing ribs are arranged at the corner positions of the outer wall of the second connecting part or the fourth connecting part, and the second reinforcing rib is arranged between the guide seat and the first reinforcing rib arranged on the outer wall of the second connecting part or the fourth connecting part, and the second reinforcing rib is arranged close to the top surface of the machine hinge base body.
2. The locomotion board of claim 1, wherein the edge of the template base protrudes from the connection base and forms a protrusion, and a plurality of third reinforcing ribs are arranged at intervals on one side of the protrusion close to the connection base.
3. The mobile seat according to claim 1, wherein a second notch is formed at a corner position of the template base body, the position of the second notch corresponds to the position of the guide seat, and the second notch is used for a pull rod to pass through.
4. The locomotion board according to claim 1, wherein the guide seats are four in number, four of the guide seats are fixedly mounted at four corner positions of the connection base body, and the machine hinge base body is located in a space surrounded by the four guide seats.
5. The mobile seat according to claim 1, wherein the hinge base comprises a fixed plate and at least one pair of hinge seats, the fixed plate is fixedly connected with the connection base, the at least one pair of hinge seats are respectively and fixedly arranged at two ends of the fixed plate in a symmetrical manner, and the first connection portion or the third connection portion is located between the pair of hinge seats.
6. The movable seat according to claim 5, wherein the fixed plate is provided with a third notch, the third notch communicates with the cavity and the outside, and the third notch is disposed near an end of the fixed plate.
7. Mold clamping device, characterized in that it comprises a mobile seat according to any one of claims 1 to 6.
8. An injection molding machine comprising the moving bed of any of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910842302.6A CN110682511B (en) | 2019-09-06 | 2019-09-06 | Movable seat, mold locking device and injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910842302.6A CN110682511B (en) | 2019-09-06 | 2019-09-06 | Movable seat, mold locking device and injection molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110682511A CN110682511A (en) | 2020-01-14 |
| CN110682511B true CN110682511B (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910842302.6A Active CN110682511B (en) | 2019-09-06 | 2019-09-06 | Movable seat, mold locking device and injection molding machine |
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| CN (1) | CN110682511B (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201095178Y (en) * | 2007-09-12 | 2008-08-06 | 夏善海 | Injection machine moving template |
| CN102001165B (en) * | 2010-06-12 | 2014-07-23 | 广州华研精密机械有限公司 | Template of injection molding machine |
| CN202114870U (en) * | 2011-06-18 | 2012-01-18 | 山东胜岳精密机械有限公司 | Special elastic fixed mould plate for injection molding machine |
| CN103203849A (en) * | 2012-01-11 | 2013-07-17 | 博创机械股份有限公司 | High-rigidity low-deformation movable template |
| CN102642285B (en) * | 2012-04-16 | 2014-05-07 | 博创机械股份有限公司 | Machine hinge vertical compression clamping mechanism |
| CN202528393U (en) * | 2012-04-23 | 2012-11-14 | 温州至上精密机械有限公司 | Movable template of high-speed injection molding machine |
| CN206085490U (en) * | 2016-09-05 | 2017-04-12 | 博创智能装备股份有限公司 | Fixed die plate for injection molding machine |
| CN106426665A (en) * | 2016-10-14 | 2017-02-22 | 博创智能装备股份有限公司 | Moving die supporting plate assembly |
| CN106976207A (en) * | 2017-03-20 | 2017-07-25 | 博创智能装备股份有限公司 | A kind of fixed die plate of injection molding machine |
| CN106903840A (en) * | 2017-04-20 | 2017-06-30 | 广东佳明机器有限公司 | Injection machine mobile template and injection machine |
| CN209158794U (en) * | 2018-11-22 | 2019-07-26 | 中山市盛力机械科技有限公司 | A kind of the bucket type structure and two-plate injection molding machine of injection moulding machine template |
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2019
- 2019-09-06 CN CN201910842302.6A patent/CN110682511B/en active Active
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| CN110682511A (en) | 2020-01-14 |
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