CN105437472A - Mold for controlling formation of rack transmission mechanism by using hooking leg device - Google Patents
Mold for controlling formation of rack transmission mechanism by using hooking leg device Download PDFInfo
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- CN105437472A CN105437472A CN201510984332.2A CN201510984332A CN105437472A CN 105437472 A CN105437472 A CN 105437472A CN 201510984332 A CN201510984332 A CN 201510984332A CN 105437472 A CN105437472 A CN 105437472A
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- 230000005540 biological transmission Effects 0.000 title abstract description 8
- 230000007246 mechanism Effects 0.000 title abstract description 6
- 230000015572 biosynthetic process Effects 0.000 title abstract 2
- 230000033001 locomotion Effects 0.000 claims abstract description 26
- 239000007787 solid Substances 0.000 claims description 11
- 238000007493 shaping process Methods 0.000 claims description 10
- 239000004033 plastic Substances 0.000 abstract description 9
- 229920003023 plastic Polymers 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229920001169 thermoplastic Polymers 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—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
- B29C45/40—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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C2045/4042—Ejector constructions; Ejector operating mechanisms driven by rack and pinion means
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Toys (AREA)
Abstract
The invention discloses a mold for controlling formation of a rack transmission mechanism by using a hooking leg device and belongs to the field of a forming mold for thermoplastic plastics. The mold is characterized in that a limiting bevel arranged on a hooking leg (5) and a front bevel which is arranged on a gear rack (6) are in surface contact with each other and are limited in a wedged manner; a control block (17) and a notch which is formed in the gear rack (6) are in close fit with each other and are limited; a tooth surface arranged on the gear rack (6) is meshed with a gear (9); a gear key (10), the gear (9) and a movable die core (7) are mounted in a surface contact manner in a key slot. The mold disclosed by the invention has the beneficial effects that the problem of demolding of a precise-grade thread and helical tooth type plastic product mold is solved by controlling the rack transmission mechanism through the hooking leg device; the hooking leg has the effects of guiding, wedging and locking the die; the hooking leg and a spring co-act to drive the gear rack to move; reciprocal rectilinear motion of the gear rack is changed into rotational motion of the gear; the mold disclosed by the invention needs not to be externally connected with a screw thread unloading power device; large power can be transmitted during rotational demolding by utilizing mold opening motion of an injection molding machine; stable and reliable work is realized; the production efficiency is improved.
Description
Technical field
The invention belongs to thermoplastic plastics shaping mould applications, relate to a kind of utilization and hook the shaping mould of leg device control rack gear, be mainly used in the mould of micron order screw thread and helical teeth class plastic product.
Background technology
The die sinking direction of the part opposing mold of screw thread and helical teeth class plastic product die for molding screw thread and helical teeth is back-off, the thread forming parts of the plastic product not strict for dimensional requirement, the more soft screw thread of material is not dark can adopt forced stripper mechanism, for micron order screw thread and the tight surface requirements of helical teeth class plastic product dimensional tolerance high, need thread-relieving mechanism to realize deviating from of back-off; Conventional Leave out thread mechanism has two kinds: a kind of for adopting hydraulic oil cylinder driving to drive rack-driving thus driving the demoulding of screw thread mold insert, this kind of high die space that takies of infrastructure cost is large; Another kind of is adopt the motion of motor driven belts movable sprocket thus drive chain movement finally to realize product stripping, and in this kind of structure, electric machine external is in mould, installs and keep in repair inconvenient.
Summary of the invention
The object of this invention is to provide a kind of utilization and hook the shaping mould of leg device control rack gear, rely on die sinking action drives hook leg motion thus drive rack-driving, by rack drives pinion rotation by product break away from moulds, realize plastic automatic demoulding.
The technical problem to be solved in the present invention is to provide a kind of utilization and hooks the shaping mould of leg device control rack gear, solve Problems existing in the mould of micron order screw thread and helical teeth class plastic product, make the smooth demoulding of product and reach technical requirement and instructions for use.
Technical scheme of the present invention is: a kind of utilization hooks the shaping mould of leg device control rack gear, and its structure comprises: solid plate 1, moving platen 2, dynamic model rack-plate 3, dynamic model swivel nut plate 4, hook leg 5, tooth bar 6, dynamic mould core 7, dynamic model block 8, gear 9, gear key 10, plug 11, limit switch mounting blocks 12, limit switch 13, limited block A14, limited block B15, limited block C16, controll block 17, spring 18 and pin 19.
A kind of annexation hooking the shaping mould of leg device control rack gear that utilizes is: dynamic model rack-plate 3 contacts with dynamic model swivel nut plate 4 and fixed by bolt-locking, pin 19 is arranged between dynamic model rack-plate 3 and dynamic model swivel nut plate 4, dynamic model rack-plate 3 and dynamic model swivel nut plate 4 is located, moving platen 2 contacts with dynamic model rack-plate 3, and bolt is through moving platen 2 and dynamic model rack-plate 3, and bolt is threaded with dynamic model swivel nut plate 4 thus moving platen 2, dynamic model rack-plate 3 and dynamic model swivel nut plate 4 is locked, hook on leg 5 and be provided with location side's platform, spacing inclined-plane and guiding surface, the location side's platform hooking setting on leg 5 contacts with solid plate 1 and closely cooperates, and hook leg 5 is locked through solid plate 1 by bolt, hooks leg 5 and moving platen 2 matched in clearance, tooth bar 6 end face contacts with moving platen 2 and spacing, the die cavity internal clearance that tooth bar 6 is installed on dynamic model rack-plate 3 coordinates, tooth bar 6 bottom surface contacts with dynamic model rack-plate 3 and spacing, tooth bar 6 is provided with oblique square hole, notch, the flank of tooth and correcting face, wherein tiltedly square hole comprises front bevel, back bevel and overmoving surface, the spacing inclined-plane that hook leg 5 is arranged contacts with the front bevel face that tooth bar 6 is arranged and wedging is spacing, the notch that controll block 17 and tooth bar 6 are arranged closely cooperates and spacing, itself and tooth bar 6 are locked through controll block 17 by bolt, limited block A14, limited block B15 and limited block C16 contact with dynamic model rack-plate 3 and closely cooperate, bolt is each passed through limited block A14, itself and dynamic model rack-plate 3 are locked by limited block B15 and limited block C16, limited block A14, the correcting plane-plane contact that limited block B15 and limited block C16 side and tooth bar 6 are arranged is slidably matched, the flank of tooth that tooth bar 6 is arranged engages with gear 9, gear 9 end face contacts with moving platen 2 and spacing, the die cavity internal clearance that gear 9 is installed on dynamic model rack-plate 3 coordinates, there is gap gear 9 bottom surface and dynamic model rack-plate 3 die cavity bottom surface, this gap is greater than the stroke that gear 12 moves, gear 9 is provided with central through hole and keyway, the central through hole that gear 9 is arranged contacts with dynamic mould core 7 and closely cooperates, dynamic mould core 7 is provided with keyway, gear key 10 contacts with gear 9 and dynamic mould core 7 and is arranged in keyway, dynamic model block 8 contacts with moving platen 2 hanging platform that closely cooperates and connects, itself and moving platen 2 are locked through dynamic model block 8 by bolt, dynamic model block 8 is provided with central through hole, dynamic mould core 7 coordinates with the central through hole face contact slide that dynamic model block 8 is arranged, limit switch mounting blocks 12 contacts with dynamic model rack-plate 3 and spacing, itself and dynamic model rack-plate 3 are locked through limit switch mounting blocks 12 by bolt, limit switch 13 contacts with limit switch mounting blocks 12, itself and limit switch mounting blocks 12 are locked through limit switch 13 by bolt, spring 18 coordinates with the via clearance that dynamic model rack-plate 3 is arranged, plug 11 is threaded with dynamic model rack-plate 3 and is locked, spring 18 1 side end face contacts with plug 11 and spacing by plug 11, spring 18 opposite side end face contacts with tooth bar 6, and spring 18 is in compressive state and produces thrust to tooth bar 6 under matched moulds state.
The operation principle hooking leg device control rack gear is: during die sinking, under the effect of forming machine, solid plate 1 drives hook leg 5 to do rectilinear motion, hook the spacing inclined-plane that leg 5 is arranged to be separated with the front bevel that tooth bar 6 is arranged, hook guiding surface that leg 5 is arranged to the plane-plane contact produce thrust of retreading that tooth bar 6 is arranged, spring 18 pairs of tooth bars 6 produce tension force effect, tooth bar 6 is rectilinear motion under the effect of thrust and tension force, when controll block 17 contacts with limited block B15 face, tooth bar 6 stop motion, this hour rack 6 ends contact is to limit switch 13, during tooth bar 6 rectilinear motion by power transmission to gear 9, gear 9 rotates through gear key 10 by power transmission to dynamic mould core 7, dynamic mould core 7 rotates and makes screw thread on product or helical teeth break away from moulds, product ejects rear mold matched moulds, reseting movement is done at forming machine effect bed die fixed half and moving half, solid plate 1 drives hook leg 5 to do rectilinear motion, hook when the spacing inclined-plane that leg 5 is arranged contacts with the front bevel that tooth bar 6 is arranged and thrust is produced to tooth bar 6, overcome the tension force that spring 18 is applied to tooth bar 6, tooth bar 6 moves along a straight line, when controll block 17 contacts with limited block C16 face, hook leg 5 to reset, tooth bar 6 stop motion, wherein, when tooth bar 6 moves by power transmission to gear 9, gear 9 rotates through gear key 10 by power transmission to dynamic mould core 7, dynamic mould core 7 rotates and resets, matched moulds process terminates.
The thickness of described controll block 17 is less than the thickness of tooth bar 6, controll block 17 and moving platen 2 and dynamic model rack-plate 3 matched in clearance.
Described hook leg device controls rack gear not only can be applied to mould applications, can be applied to any utilization to hook the rectilinear motion of leg 5 and realize the rectilinear motion of tooth bar 6 and the mechanical realization rotated by tooth bar 6 rectilinear motion driven gear 9, its middle rack 6 movement locus direction is vertical with hooking leg 5 movement locus direction.
The invention has the beneficial effects as follows: control by hooking leg device the problem that rack gear solves the demoulding in a mold of micron order screw thread and helical teeth class plastic product, hook the effect that leg plays guiding and wedging locked mode, hook leg and the motion of spring acting in conjunction driving tooth bar, the linear reciprocating motion of tooth bar changes the gyration of gear into, this device is without the need to external Leave out thread power set, utilize injection moulding machine mould open to move and realize rotating stripping demoulding, transmission power is large, stable working is reliable, can be quick, accurate location, make the smooth demoulding of product and reach technical requirement and instructions for use, effectively utilize die space, structure is simple, compact, improve production efficiency.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, illustrate with embodiment.
Fig. 1 is this mold integral schematic diagram.
Fig. 2 is the schematic diagram one that this mould hooks that leg device controls rack gear.
Fig. 3 is the schematic diagram two that this mould hooks that leg device controls rack gear.
In figure: 1 solid plate; 2 moving platens; 3 dynamic model rack-plates; 4 dynamic model swivel nut plates; 5 hook leg; 6 tooth bars; 7 dynamic mould cores; 8 dynamic model blocks; 9 gears; 10 gear keys; 11 plugs; 12 limit switch mounting blocks; 13 limit switches; 14 limited block A; 15 limited block B; 16 limited block C; 17 controll blocks; 18 springs; 19 pins.
Detailed description of the invention
The specific embodiment of invention is described in detail below in conjunction with technology word and accompanying drawing.
During assembling mould, hook leg 5 and be arranged in the die cavity that solid plate 1 processes, bolt is locked on top clamping plate 1 through solid plate 1; Pin 19 is arranged between dynamic model rack-plate 3 and dynamic model swivel nut plate 4, and itself and dynamic model rack-plate 3 to be locked (see figure 1) through dynamic model swivel nut plate 4 by bolt; Limited block A14, limited block B15 and limited block C16 are fitted in die cavity that dynamic model rack-plate 3 processes, and bolt is each passed through limited block A14, limited block B15 and limited block C16 and itself and dynamic model rack-plate 3 is locked; Controll block 17 is fitted in the groove that tooth bar 6 processes, and itself and tooth bar 6 are locked through controll block 17 by bolt; Limit switch mounting blocks 12 is fitted on dynamic model rack-plate 3, bolt is fixed on dynamic model rack-plate 3 by limit switch mounting blocks 12, limit switch 13 is arranged on the boss on limit switch mounting blocks 12, and bolt is fixed on limit switch mounting blocks 12 by limit switch 13; Dynamic mould core 7 is fitted in the centre bore of gear 9, and gear key 10 is installed between gear 9 and dynamic mould core 7, and dynamic mould core 7 is fitted in die cavity that dynamic model rack-plate 3 processes together with gear 9; Spring 18 is arranged in through hole that dynamic model rack-plate 3 processes, and plug 11 is screwed in screw thread that dynamic model rack-plate 3 processes spacing to spring 18; Tooth bar 6 is fitted in die cavity that dynamic model rack-plate 3 processes, and tooth bar 6 pairs of springs 18 apply pressure makes spring-compressed, and tooth bar 6 contacts with limited block C16 face with limited block A14, limited block B15, and tooth bar 6 engages with gear 9; Dynamic model block 8 is arranged in the die cavity that moving platen 2 processes, hanging platform coordinates spacing, bolt is fixed on moving platen 2 through dynamic model block 8, dynamic mould core 7 is arranged in the central through hole on dynamic model block 8 (see Fig. 2,3), itself and dynamic model swivel nut plate 4 are locked through moving platen 2 and dynamic model rack-plate 3 by bolt, after stationary mould for mould and dynamic model matched moulds, hook the spacing inclined-plane of leg 5 and coordinate (see figure 1) with the front bevel wedging of tooth bar 6.
Concrete forming process is: after forming machine has been injected, spring 18 pairs of tooth bars 9 apply tension force, hook leg 5 pairs of tooth bar 9 applied thrusts, tooth bar 6 moves along a straight line, tooth bar 6 driven gear 9 rotates, and gear 9 drives dynamic mould core 7 to rotate, and departs from the screw thread on plastic product or helical teeth part, when controll block 17 contacts hour rack 6 stop motion with limited block B15 face, this hour rack 6 touches limit switch 13; Hook leg 5 during matched moulds to promote tooth bar 6 and move, spring 18 is compressed, and tooth bar 6 driven gear 9 rotates, gear 9 drives dynamic mould core 7 to rotate, and when hooking leg 5 and resetting, controll block 17 touches limited block C16, tooth bar 6, gear 9 and dynamic mould core 7 also reset simultaneously, and the one-shot forming cycle completes.
The above is superior embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.
Claims (3)
1. utilize and hook leg device and control the shaping mould of rack gear, its structure comprises: solid plate (1), moving platen (2), dynamic model rack-plate (3), dynamic model swivel nut plate (4), hook leg (5), tooth bar (6), dynamic mould core (7), dynamic model block (8), gear (9), gear key (10), plug (11), limit switch mounting blocks (12), limit switch (13), limited block A(14), limited block B(15), limited block C(16), controll block (17), spring (18) and pin (19), it is characterized in that: annexation is, hook on leg (5) and be provided with location side's platform, spacing inclined-plane and guiding surface, the location side's platform hooking the upper setting of leg (5) contacts with solid plate (1) face and closely cooperates, and bolt will hook leg (5) through solid plate (1) and be locked, (6) are provided with oblique square hole to tooth bar, notch, the flank of tooth and correcting face, wherein tiltedly square hole comprises front bevel, back bevel and overmoving surface, and the upper front bevel face arranged of tooth bar (6) contacts and wedging is spacing on hook leg (5) the upper spacing inclined-plane arranged, the upper notch arranged of controll block (17) and tooth bar (6) closely cooperates and spacing, itself and tooth bar (6) are locked through controll block (17) by bolt, limited block A(14), limited block B(15) with limited block C(16) to contact with dynamic model rack-plate (3) face and closely cooperate, bolt is each passed through limited block A(14), limited block B(15) and limited block C(16) itself and dynamic model rack-plate (3) are locked, limited block A(14), limited block B(15) and limited block C(16) the upper correcting plane-plane contact arranged of side and tooth bar (6) is slidably matched, the upper flank of tooth arranged of tooth bar (6) engages with gear (9), (9) are provided with central through hole and keyway with gear, the upper central through hole arranged of gear (9) contacts with dynamic mould core (7) face and closely cooperates, (7) are provided with keyway to dynamic mould core, gear key (10) and gear (9) contact with dynamic mould core (7) face and are arranged in keyway, dynamic model block (8) contacts with moving platen (2) face the hanging platform that closely cooperates and connects, itself and moving platen (2) are locked through dynamic model block (8) by bolt, (8) are provided with central through hole to dynamic model block, dynamic mould core (7) coordinates with the upper central through hole face contact slide arranged of dynamic model block (8), spring (18) coordinates with the upper via clearance arranged of dynamic model rack-plate (3), plug (11) is threaded with dynamic model rack-plate (3) and is locked, spring (18) one side end face contacts with plug (11) face and spacing by plug (11), spring (18) opposite side end face contacts with tooth bar (6) face, and spring (18) is in compressive state and produces thrust to tooth bar (6) under matched moulds state.
2. a kind of utilization according to claim 1 hooks the shaping mould of leg device control rack gear, it is characterized in that: the thickness of described controll block (17) is less than the thickness of tooth bar (6), controll block (17) and moving platen (2) and dynamic model rack-plate (3) matched in clearance.
3. a kind of utilization according to claim 1 hooks the shaping mould of leg device control rack gear, it is characterized in that: described hook leg device controls rack gear not only can be applied to mould applications, can be applied to the rectilinear motion that any utilization hooks leg (5) and realize the rectilinear motion of tooth bar (6) and the mechanical realization rotated by tooth bar (6) rectilinear motion driven gear (9), its middle rack (6) movement locus direction is vertical with hooking leg (5) movement locus direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510984332.2A CN105437472B (en) | 2015-12-25 | 2015-12-25 | It is a kind of to utilize the mould for hooking leg device control rack gear shaping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510984332.2A CN105437472B (en) | 2015-12-25 | 2015-12-25 | It is a kind of to utilize the mould for hooking leg device control rack gear shaping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105437472A true CN105437472A (en) | 2016-03-30 |
| CN105437472B CN105437472B (en) | 2017-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510984332.2A Active CN105437472B (en) | 2015-12-25 | 2015-12-25 | It is a kind of to utilize the mould for hooking leg device control rack gear shaping |
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| Country | Link |
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| CN (1) | CN105437472B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108748924A (en) * | 2018-08-24 | 2018-11-06 | 广东乐善智能装备股份有限公司 | The die cover electric folding structure of plastic molding press |
| CN109940831A (en) * | 2019-03-22 | 2019-06-28 | 广东科技学院 | A kind of Mould of Automatic Separating for Thread mechanism |
| CN110293653A (en) * | 2018-03-23 | 2019-10-01 | 上海普器阁实业有限公司 | A kind of inner thread piece injection mold of rotating stripping demoulding |
| CN113561374A (en) * | 2021-08-02 | 2021-10-29 | 深圳市羽利美科技有限公司 | Automatic precision spare mould of drawing of patterns |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102358003A (en) * | 2011-07-29 | 2012-02-22 | 宁波双林模具有限公司 | Rotary core loosing and demoulding device for transverse thread slug of injection mold |
| JP5179127B2 (en) * | 2007-09-19 | 2013-04-10 | 株式会社山城精機製作所 | Mold screw removal device |
| CN205364385U (en) * | 2015-12-25 | 2016-07-06 | 大连銮艺精密模塑制造有限公司 | Fashioned mould of leg device control tooth strip drive mechanism is colluded in utilization |
-
2015
- 2015-12-25 CN CN201510984332.2A patent/CN105437472B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5179127B2 (en) * | 2007-09-19 | 2013-04-10 | 株式会社山城精機製作所 | Mold screw removal device |
| CN102358003A (en) * | 2011-07-29 | 2012-02-22 | 宁波双林模具有限公司 | Rotary core loosing and demoulding device for transverse thread slug of injection mold |
| CN205364385U (en) * | 2015-12-25 | 2016-07-06 | 大连銮艺精密模塑制造有限公司 | Fashioned mould of leg device control tooth strip drive mechanism is colluded in utilization |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293653A (en) * | 2018-03-23 | 2019-10-01 | 上海普器阁实业有限公司 | A kind of inner thread piece injection mold of rotating stripping demoulding |
| CN108748924A (en) * | 2018-08-24 | 2018-11-06 | 广东乐善智能装备股份有限公司 | The die cover electric folding structure of plastic molding press |
| CN109940831A (en) * | 2019-03-22 | 2019-06-28 | 广东科技学院 | A kind of Mould of Automatic Separating for Thread mechanism |
| CN109940831B (en) * | 2019-03-22 | 2024-05-07 | 广东科技学院 | Automatic demoulding mechanism for threads |
| CN113561374A (en) * | 2021-08-02 | 2021-10-29 | 深圳市羽利美科技有限公司 | Automatic precision spare mould of drawing of patterns |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105437472B (en) | 2017-10-17 |
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