CN109483813B - Tooth twisting die - Google Patents
Tooth twisting die Download PDFInfo
- Publication number
- CN109483813B CN109483813B CN201811432215.5A CN201811432215A CN109483813B CN 109483813 B CN109483813 B CN 109483813B CN 201811432215 A CN201811432215 A CN 201811432215A CN 109483813 B CN109483813 B CN 109483813B
- Authority
- CN
- China
- Prior art keywords
- die
- core
- movable block
- screw rod
- 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.)
- Active
Links
- 230000000149 penetrating effect Effects 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013519 translation 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
- B29C45/2618—Moulds having screw-threaded mould walls
- B29C45/262—Moulds having screw-threaded mould walls provided with unscrewing drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2001/00—Articles provided with screw threads
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a tooth twisting die, wherein a die cavity is arranged on a second die, one end of a die core is connected to a movable block, the middle part of the die core is movably connected to a first die in a penetrating way, and the other end of the die core is connected to the die cavity in a penetrating way; one end of the screw rod is rotationally connected to the first die, the other end of the screw rod is connected with the movable block in a penetrating way, the part of the screw rod connected with the movable block in a penetrating way is in threaded connection with the movable block, a first rotating piece is arranged on the first die, and the first rotating piece is used for driving the screw rod to rotate. The screw rod controls the rotating distance, replaces the structure that the rack drives the mold core to be demolded, greatly reduces the inconvenience of the rack on the mold, selects the hydraulic motor as power, controls when the bolt stops rotating by the locking structure, rarely controls the assembly parts, is similar to the hydraulic signal and the simple electric signal used by the injection molding machine, does not need to convert the signals by units such as a controller, is suitable for most injection molding machines, and has high interchangeability.
Description
Technical Field
The invention relates to the field of injection molding, in particular to a tooth twisting die.
Background
In the field of injection molding of products with internally threaded holes, cores are in threaded connection with the internally threaded holes of the products. In the prior art, a rack is mainly arranged to be meshed with a gear on a mold core, the translation of the rack drives the mold core to rotate, and a product is ejected out of the mold core.
In the arrangement, when the thread of the product is longer, a longer rack is required to be arranged to match the longer thread travel of the product, and the length of the rack is even longer than that of the die; meanwhile, a longer cylinder body is needed to be selected, and the rack and the cylinder body occupy larger space, so that the equipment is larger in size and occupies extremely large space.
Disclosure of Invention
In order to overcome the defects in the prior art and reduce the setting space, the invention adopts the technical scheme that:
A tooth twisting die comprises a core, a screw rod, a first die, a second die and a movable block, wherein the second die and the movable block are respectively arranged on two sides of the first die; a cavity is formed in the second die, one end of the core is connected to the movable block, the middle of the core is movably connected to the first die in a penetrating way, and the other end of the core is connected to the cavity in a penetrating way; one end of the screw rod is rotationally connected to the first die, the other end of the screw rod is connected with the movable block in a penetrating way, the part of the screw rod connected with the movable block in a penetrating way is in threaded connection with the movable block, a first rotating piece is arranged on the first die, and the first rotating piece is used for driving the screw rod to rotate.
According to another specific embodiment of the invention, a second rotating member for driving the core to rotate is further arranged on the first die, and the core is penetrated into the second rotating member; the part of the core which is connected in the second rotating element is connected with the second rotating element in a threaded manner.
According to another embodiment of the invention, further, the first rotating member is in driving connection with a hydraulic motor.
According to another embodiment of the invention, further, gears are arranged on the screw and the second rotating member; the hydraulic motor is connected with the screw rod and the second rotating piece through a gear train transmission.
According to another specific embodiment of the invention, the device further comprises a locking structure, wherein the locking structure is connected with the movable block and the screw; the locking structure locks the rotation of the screw when the core is transferred into place.
According to another specific embodiment of the invention, further, the screw is connected with a sleeve in a penetrating way, and the sleeve is connected with the screw in a threaded way; the screw rod is connected with the movable block through the sleeve.
According to another embodiment of the present invention, further, the locking structure includes a first bump and a second bump both disposed on the screw, and the locking structure further includes a first stopper and a second stopper both disposed on the sleeve; when the mold core moves left to the right, the first lug is connected with the first stop block; when the core moves right to the right, the second lug is connected with the second stop block.
According to another embodiment of the invention, further comprising a detection member for detecting the core transfer in place.
According to another embodiment of the invention, further, the first mold and the movable block are provided with a detection member and a blocking member; when the core is transferred into place, the detection member approaches the stopper.
According to another embodiment of the present invention, further comprising an alignment structure, wherein the alignment structure connects the second mold, the first mold and the movable block.
The tooth rolling die has the following beneficial effects: the rotating distance is controlled by the screw rod, so that the mold core demolding structure driven by the rack is replaced, and the inconvenience of the rack on the mold is greatly reduced.
In addition, the hydraulic motor is used as power, the locking structure controls when the bolt stops rotating, few components are controlled, the signals are similar to hydraulic signals and simple electric signals used by the injection molding machine, units such as a controller are not needed to convert the signals, and the hydraulic control device is suitable for most injection molding machines and high in interchangeability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a connection structure of a first mold and a movable block according to the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A of FIG. 1;
FIG. 4 is an enlarged view of a portion of the invention at B of FIG. 2;
FIG. 5 is a schematic view of the main view angle of the first mold and the movable block when the first mold and the movable block are closed;
FIG. 6 is a schematic view of the main view angle of the first mold and the movable block of the present invention when the first mold is opened;
fig. 7 is a schematic diagram of the transmission architecture of the present invention.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings. Core 1: in injection molding of a product with holes, holes for filling the product, such as through holes, threaded holes in the present invention. The product is provided with a threaded hole, the mold core 1 is inserted into the mold cavity 4a, and the mold cavity 4a is used for injection molding of the product except for the space occupied by the mold core 1; after injection molding the product is screwed onto the core 1, at which time it is necessary to rotate one of the product and/or the core 1 (product rotationally disengaged from the core 1) to disengage the product from the core 1.
As shown in fig. 1 to 6, a tooth mold comprises a core 1, a screw 2, a first mold 3, a second mold 4 and a movable block 5 which are respectively arranged at two sides of the first mold 3; a cavity 4a is formed in the second die 4, one end of the core 1 is connected to the movable block 5, the middle part of the core 1 is movably connected to the first die 3 in a penetrating way, and the other end of the core 1 is connected to the cavity 4a in a penetrating way; one end of the screw rod 2 is rotationally connected to the first die 3, the other end of the screw rod 2 is connected with the movable block 5 in a penetrating way, the part of the screw rod 2 connected with the movable block 5 in a penetrating way is in threaded connection with the movable block 5, the first die 3 is provided with a first rotating piece 6, and the first rotating piece 6 is used for driving the screw rod 2 to rotate.
After injection molding the product in the cavity 4a, as shown in fig. 5 and 6, product demolding is performed: the first rotating piece 6 drives the screw rod 2 to rotate, and the screw rod 2 is in threaded connection with the movable block 5, so that the movable block 5 is far away from the first die 3; one end of the core 1 is rotationally connected to the movable block 5, the middle part of the core is movably connected to the first die 3 in a penetrating way, the movable block 5 is far right to drive the core 1 to far right, a product cannot pass through the first die 3 and is blocked at the left end of the first die 3, the core 1 and the product relatively rotate, the core 1 is far right to separate from the core 1.
The connection of the core 1 end to the movable block 5 may be: one end of the core 1 is rotatably connected to a movable block 5. The product can not pass through the first die 3 and is blocked at the left end of the first die 3, the core 1 is far right away and rotates, and the product is separated from the core 1.
The connection of the core 1 end to the movable block 5 may be: one end of the core 1 is connected to the movable block 5 (fixedly connected to the movable block 5 or movably connected to the movable block 5, and the core 1 and the product are controlled by corresponding driving pieces to rotate in opposite directions), a second rotating piece 7 for driving the core 1 to rotate is arranged on the first die 3, and the core 1 is connected in the second rotating piece 7 in a penetrating way; the part of the core 1 which is connected in the second rotor 7 is screwed into the second rotor 7. The product cannot pass through the first die 3 and is blocked at the left end of the first die 3, the product rotates in the forward direction, the core 1 moves away to the right (simultaneously fixed or rotated in the reverse direction), and the product is separated from the core 1. As shown in fig. 2 and 4, the left end of the second rotating member 7 is provided with a concave-convex structure for driving the product to rotate, such as saw teeth, bumps, etc.
As shown in fig. 5to 7, the hydraulic motor 8 is connected to the screw 2 and the second rotary member 7 through a gear train transmission. Gears are arranged on the screw rod 2 and the second rotating piece 7; the die power source part drives the screw rod 2 and the second rotating part 7 to rotate through a gear train. Or the screw 2 and the second rotating member 7 are connected with the power source of the die through a worm gear pair (even comprising a gear train).
The die power source may be an electric motor, a pneumatic motor, a hydraulic motor 8, or the like. Preferably, the first rotating member 6 and the second rotating member 7 are in transmission connection with a hydraulic motor 8.
The device also comprises a locking structure, wherein the locking structure is connected with the movable block 5 and the screw rod 2; the locking structure locks the rotation of the screw 2 when the core 1 is transferred into place.
As shown in fig. 5 to 7, the locking structure is specifically provided with a sleeve 10 penetrating the screw 2, and the sleeve 10 is in threaded connection with the screw 2; the screw rod 2 is connected with the movable block 5 through the sleeve 10. The locking structure comprises a first lug 9a and a second lug 9b which are both arranged on the screw 2, and also comprises a first stop block 9c and a second stop block 9d which are both arranged on the sleeve 10; when the core 1 moves left to the right, the first lug 9a is connected with the first stop block 9 c; when the core 1 is moved to the right, the second projection 9b is connected to the second stop 9 d. Instead of the sleeve 10, the first stop 9c and the second stop 9d may be provided directly on the movable block 5, respectively.
A detection member 11 for detecting the transfer of the core 1 into place is also included. The first mould 3 and the movable block 5 are provided with a detection piece 11 and a blocking piece 12; when the core 1 is transferred into position, the detecting element 11 approaches the stopper 12.
The mold further comprises an orientation structure, wherein the orientation structure is connected with the second mold 4, the first mold 3 and the movable block 5. The alignment structure comprises a guide rod 13 connected to the movable block 5, and guide holes for connecting the guide rod 13 are formed in the second die 4 and the first die 3.
The mold further comprises an alignment structure, wherein the alignment structure is connected with the second mold 4, the first mold 3 and the movable block 5; the second mold 4, the first mold 3 and the movable block 5 are provided with an alignment rod 14 on one side and an alignment groove or an alignment hole on the other side. When the second mould 4, the first mould 3 and the movable block 5 are assembled, the second mould 4, the first mould 3 and the movable block 5 are connected in an aligned mode, and then the first mould 3 and/or the movable block 5 are/is in directional sliding by the directional structure. The alignment structure comprises an alignment rod 14 connected to the movable block 5, and alignment grooves or alignment holes for connecting the alignment rod 14 are formed in the second mold 4 and the first mold 3. The alignment rods 14 are arranged at the front and rear ends of the movable block 5.
The second die 4 is provided with an injection port communicated with the cavity 4 a; the second mold 4 is provided with a cooling channel for circulating cool air or cooling liquid or is connected with a fan. The cooling channel is used for taking away the temperature of the second mould 4 and the cavity 4a product, and is arranged to surround the cavity 4a.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and any modifications or equivalent substitutions without departing from the spirit and scope of the present invention should be covered in the scope of the technical solution of the present invention.
Claims (6)
1. A tooth die, characterized in that: the mold comprises a mold core (1), a screw (2), a first mold (3), a locking structure, a second mold (4) and a movable block (5), wherein the second mold (4) and the movable block (5) are respectively arranged on two sides of the first mold (3); a cavity (4 a) is formed in the second die (4), one end of the core (1) is connected to the movable block (5), the middle part of the core (1) is movably connected to the first die (3) in a penetrating way, and the other end of the core (1) is connected to the cavity (4 a) in a penetrating way; one end of the screw rod (2) is rotationally connected to the first die (3), the other end of the screw rod is connected with the movable block (5) in a penetrating way, the part of the screw rod (2) connected with the movable block (5) in a penetrating way is in threaded connection with the movable block (5), a first rotating piece (6) is arranged on the first die (3), and the first rotating piece (6) is used for driving the screw rod (2) to rotate;
The first die (3) is provided with a second rotating piece (7) for driving the core (1) to rotate, the core (1) is connected in the second rotating piece (7) in a penetrating way, the part of the core (1) connected in the second rotating piece (7) in a penetrating way is connected with the second rotating piece (7) in a threaded way, and the left end of the second rotating piece (7) is provided with a concave-convex structure for driving a product to rotate so as to enable the product to rotate forward and enable the core (1) to rotate reversely at the same time;
the locking structure is connected with the movable block (5) and the screw rod (2), when the core (1) is transferred in place, the locking structure locks the rotation of the screw rod (2), the screw rod (2) is connected with the sleeve (10) in a penetrating way, the sleeve (10) is connected with the screw rod (2) in a threaded way, and the screw rod (2) is connected with the movable block (5) through the sleeve (10);
The locking structure comprises a first lug (9 a) and a second lug (9 b) which are both arranged on the screw (2), and also comprises a first stop block (9 c) and a second stop block (9 d) which are both arranged on the sleeve (10); when the core (1) moves left to the right, the first lug (9 a) is connected with the first stop block (9 c); when the core (1) moves to the right, the second lug (9 b) is connected with the second stop block (9 d).
2. A tooth die as claimed in claim 1, wherein: the first rotating piece (6) is in transmission connection with a hydraulic motor (8).
3. A tooth die as claimed in claim 2, wherein: gears are arranged on the screw (2) and the second rotating piece (7); the hydraulic motor (8) is connected with the screw rod (2) and the second rotating piece (7) through a gear train transmission.
4. A tooth die as claimed in claim 1, wherein: the device also comprises a detection piece (11) for detecting the transfer of the core (1) into place.
5. A tooth die as claimed in claim 4, wherein: the first die (3) and the movable block (5) are provided with a detection piece (11) on one side and a blocking piece (12) on the other side; when the core (1) is transferred into place, the detecting member (11) approaches the stopper (12).
6. A tooth die as claimed in claim 1, wherein: the mold further comprises an alignment structure, and the alignment structure is connected with the second mold (4), the first mold (3) and the movable block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811432215.5A CN109483813B (en) | 2018-11-28 | 2018-11-28 | Tooth twisting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811432215.5A CN109483813B (en) | 2018-11-28 | 2018-11-28 | Tooth twisting die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109483813A CN109483813A (en) | 2019-03-19 |
| CN109483813B true CN109483813B (en) | 2024-05-17 |
Family
ID=65697919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811432215.5A Active CN109483813B (en) | 2018-11-28 | 2018-11-28 | Tooth twisting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109483813B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1583395A (en) * | 2004-05-25 | 2005-02-23 | 何同安 | Automatic demoulding device with thread plastic piece in injection mould |
| CN201350672Y (en) * | 2009-02-16 | 2009-11-25 | 唯科(厦门)精密塑胶模具有限公司 | Automatic thread-dismantling device for mould |
| CN203580043U (en) * | 2013-11-22 | 2014-05-07 | 江天精密制造科技（苏州）有限公司 | Rotary demolding mechanism for mold |
| CN205503687U (en) * | 2016-03-25 | 2016-08-24 | 罗灿 | Meticulous location locking bolt |
| CN108582712A (en) * | 2018-04-23 | 2018-09-28 | 温州大学激光与光电智能制造研究院 | Injection molding machine insures protection mechanism |
| CN209304901U (en) * | 2018-11-28 | 2019-08-27 | 精英制模实业(深圳)有限公司 | A kind of threading mold |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040169320A1 (en) * | 2003-02-28 | 2004-09-02 | Petrucci Alan A. | Plastic injection mold assembly and method of molding threaded plastic parts |
-
2018
- 2018-11-28 CN CN201811432215.5A patent/CN109483813B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1583395A (en) * | 2004-05-25 | 2005-02-23 | 何同安 | Automatic demoulding device with thread plastic piece in injection mould |
| CN201350672Y (en) * | 2009-02-16 | 2009-11-25 | 唯科(厦门)精密塑胶模具有限公司 | Automatic thread-dismantling device for mould |
| CN203580043U (en) * | 2013-11-22 | 2014-05-07 | 江天精密制造科技（苏州）有限公司 | Rotary demolding mechanism for mold |
| CN205503687U (en) * | 2016-03-25 | 2016-08-24 | 罗灿 | Meticulous location locking bolt |
| CN108582712A (en) * | 2018-04-23 | 2018-09-28 | 温州大学激光与光电智能制造研究院 | Injection molding machine insures protection mechanism |
| CN209304901U (en) * | 2018-11-28 | 2019-08-27 | 精英制模实业(深圳)有限公司 | A kind of threading mold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109483813A (en) | 2019-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7704063B2 (en) | Plastic injection mold assembly and method of molding threaded plastic parts | |
| KR20100034900A (en) | Injection molding article of a having directionaly plastic screw | |
| CN205969749U (en) | Automatic take off injection mold of screw thread | |
| CN110065205A (en) | Injection molding device for plastic material | |
| CN109483813B (en) | Tooth twisting die | |
| CA2790781C (en) | Hybrid injection actuator for an injection molding machine | |
| CN106915049B (en) | The mold closing mechanism of miniature injection machine | |
| CN209304901U (en) | A kind of threading mold | |
| CN107984715A (en) | Taking of plastic jetting-moulding machine mold mechanism is used in a kind of plastic mould processing | |
| CN207321031U (en) | Electric cylinder force-output shaft limits not rotating mechanism | |
| CN105500598B (en) | Injection molding machine for producing plasthetics | |
| CN215703515U (en) | Rotary injection molding system | |
| CN106626286A (en) | Miniature injection molding machine with injection molding and plasticizing in coaxial line design | |
| CN113771287A (en) | Rotary injection molding system | |
| CN109501138B (en) | Mould | |
| CN220031079U (en) | Hot-melt injection mold for nylon ribbon production | |
| CN208826964U (en) | A kind of automotive upholstery injection forming mold | |
| CN206390183U (en) | A kind of multi-shaft interlocked vertical chocolate instillation machine | |
| CN210590380U (en) | Double core-pulling mould for medical apparatus | |
| CN213648555U (en) | Electric mold opening and closing system of two-plate injection molding machine | |
| CN217968217U (en) | Automatic ejection mechanism for injection molding machine | |
| CN220261888U (en) | Locking device for closing mold of automobile injection mold | |
| CN210450907U (en) | Die casting die is used in medical instrument processing | |
| CN214395227U (en) | Plastic mold core-pulling device | |
| CN220008585U (en) | Double-shot injection mold inner rotary structure applied to injection molding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |