CN109352931A - A kind of Shampoo bottle fast injection molding stripper apparatus - Google Patents
A kind of Shampoo bottle fast injection molding stripper apparatus Download PDFInfo
- Publication number
- CN109352931A CN109352931A CN201811400927.9A CN201811400927A CN109352931A CN 109352931 A CN109352931 A CN 109352931A CN 201811400927 A CN201811400927 A CN 201811400927A CN 109352931 A CN109352931 A CN 109352931A
- Authority
- CN
- China
- Prior art keywords
- inner cavity
- injection molding
- stripper apparatus
- bottom end
- shampoo bottle
- 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.)
- Pending
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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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- 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
- B29C2045/4036—Ejector constructions; Ejector operating mechanisms driven by a screw and nut mechanism
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to injection mold technologies, and disclose a kind of Shampoo bottle fast injection molding stripper apparatus, including mold, rectangular channel is offered in the middle part of the mold inner-cavity bottom end, the inner cavity movable sleeve of the rectangular channel is connected to top plate, the rectangular channel inner cavity offers circular groove in the middle part of bottom end, the circular groove inner cavity offers square groove in the middle part of bottom end, the side of square groove inner cavity bottom end is fixedly installed with motor, worm screw is fixedly connected on the output shaft of the motor, the equal movable sleeve in bottom end of square groove inner cavity two sides is connected to threaded rod.The Shampoo bottle fast injection molding stripper apparatus, pass through being used cooperatively for worm screw, turbine, motor, threaded rod, movable block, connecting rod and square column, be ejected the raw material in rectangular channel inner cavity can after the completion of injection molding, product is set to be easily separated from mold, to achieve the purpose that Shampoo bottle fast injection molding stripper apparatus makes product be easily separated from mold.
Description
Technical field
The present invention relates to injection mold technology, specially a kind of Shampoo bottle fast injection molding stripper apparatus.
Background technique
Injection mold is a kind of tool for producing plasthetics, is also to confer to plasthetics complete structure and accurate dimension
Tool, injection molding are a kind of processing methods used when producing certain complex-shaped components in batches, refer specifically to melt heated
Plastics by injection molding machine high pressure inject die cavity obtain formed products after cooling and solidifying.
Contain Multiple components in shampoo, the comprehensive function of these compositions can play the function of cleaning scalp and hair, existing
The production cycle is long when in use for some Shampoo bottle injection molds, and cooling velocity is slow, and product is not easy to fall off from mold, seriously
The production efficiency of enterprise is affected, releases a kind of Shampoo bottle fast injection molding stripper apparatus thus.
Summary of the invention
The present invention provides a kind of Shampoo bottle fast injection molding stripper apparatus, have convenient for the advantages of falling off from mold,
Solving existing Shampoo bottle injection mold, the production cycle is long when in use, and cooling velocity is slow, and product is not easy from mold
The problem of falling off, having seriously affected the production efficiency of enterprise.
The invention provides the following technical scheme: a kind of Shampoo bottle fast injection molding stripper apparatus, including mold, the mold
Rectangular channel is offered in the middle part of the bottom end of inner cavity, the inner cavity movable sleeve of the rectangular channel is connected to top plate, rectangular channel inner cavity bottom end
Middle part offer circular groove, square groove is offered in the middle part of the bottom end of the circular groove inner cavity, the side of square groove inner cavity bottom end is fixed
Motor is installed, worm screw, the equal pivot bush unit in bottom end of square groove inner cavity two sides are fixedly connected on the output shaft of the motor
There is threaded rod, one end fixing sleeve of the threaded rod is connected to turbine, and the external screw-thread of the threaded rod is socketed with movable block, described
The quantity of movable block is two, and two equal pivot bush units in the positive middle part of movable block have gag lever post, two movable blocks
Top be respectively articulated with connecting rod, the other end of two connecting rods is hinged with the square column inside top plate, described
The top of square column offers square hole, and electromagnet, the two sides difference of the electromagnet are fixedly installed in the middle part of the square hole inner cavity
It is fixedly connected with the first telescopic rod, the other end of two first telescopic rods has been respectively fixedly connected with iron block, and two described
Pivot bush unit has reset spring respectively for the outside of one telescopic rod, and the quadrangle of circular groove inner cavity bottom end has been respectively fixedly connected with second
Telescopic rod, the top of four second telescopic rods are fixedly connected to annular slab, and the top of the annular slab is connected with
Rubber ring, pivot bush unit has ring spring respectively for the outside of four second telescopic rods, and the square groove is close to the side of motor
Through-hole is offered, the quantity of the through-hole is two, and pivot bush unit has piston, the piston respectively for the inside of two through-holes
External fixing sleeve be connected to rubber block.
Preferably, the shape of the top plate is rectangle, and the outside of the top plate and the inner cavity of rectangular channel are slidably connected, described
Two sides inside top plate offer card slot respectively, and the inside of card slot and the external of iron block are clamped on the top plate.
Preferably, the worm screw is located at the underface of turbine, and the outer tooth engagement of the extension of worm screw and turbine.
Preferably, the two sides of the threaded rod offer screw thread respectively, and at two on threaded rod screw thread direction of rotation
On the contrary.
Preferably, the gag lever post is located at the front of threaded rod, and the both ends of gag lever post respectively with square groove inner cavity two
Side is fixedly connected.
Preferably, one end of the reset spring is fixedly connected with one end of iron block, the other end of the reset spring with
One end of electromagnet is fixedly connected.
Preferably, the top of the rubber ring is connect with the top movable of circular groove inner cavity, and the inside of the rubber ring is side
Shape, and the slide outside of the inside of rubber ring and square column connects.
Preferably, one end of the ring spring is fixedly connected with the bottom end of annular slab, the other end of the ring spring
It is fixedly connected with the bottom end of circular groove inner cavity.
Preferably, the quantity of the rubber block be three, the outside of three rubber blocks with the internal slide of through-hole
Connection.
The present invention have it is following the utility model has the advantages that
1, the Shampoo bottle fast injection molding stripper apparatus, passes through worm screw, turbine, motor, threaded rod, movable block, connecting rod and side
Column is used cooperatively, and be ejected the raw material in rectangular channel inner cavity can after the completion of injection molding, product is made to be easily separated from mold, from
And having achieved the purpose that Shampoo bottle fast injection molding stripper apparatus makes product be easily separated from mold；
2, the Shampoo bottle fast injection molding stripper apparatus is made by being used cooperatively for ring spring, the second telescopic rod and annular slab
When generation shrinkage drops in rubber ring at ambient temperature, annular slab can squeeze rubber ring under the action of ring spring restoring force,
So that it is squeezed expansion, and then be bonded rubber ring with square column and circular groove can still tightly, to improve Shampoo bottle
The leakproofness of fast injection molding stripper apparatus；
3, the Shampoo bottle fast injection molding stripper apparatus, is made by the cooperation of reset spring, the first telescopic rod, electromagnet and iron block
With, so that top plate is easily fixed on square column or is separated with square column, and then top plate after long-term use, due to only
Middle part stress, is conveniently replaceable when being bent, to improve the practicability of Shampoo bottle fast injection molding stripper apparatus.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the schematic top plan view of structure of the invention.
Fig. 3 is enlarged diagram at the A of structure of the invention.
Fig. 4 is enlarged diagram at the B of structure of the invention.
In figure: 1, mold；2, rectangular channel；3, top plate；4, circular groove；5, square groove；6, motor；7, worm screw；8, threaded rod；9, whirlpool
Wheel；10, movable block；11, gag lever post；12, connecting rod；13, square column；14, square hole；15, electromagnet；16, the first telescopic rod；17,
Iron block；18, reset spring；19, the second telescopic rod；20, annular slab；21, rubber ring；22, ring spring；23, through-hole；24, living
Plug；25, rubber block.
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, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4, a kind of Shampoo bottle fast injection molding stripper apparatus, including mold 1 are please referred to, in 1 inner cavity bottom end of mold
Portion offers rectangular channel 2, and the inner cavity movable sleeve of rectangular channel 2 is connected to top plate 3, and the shape of top plate 3 is rectangle, the outside of top plate 3 with
The inner cavity of rectangular channel 2 is slidably connected, and the two sides inside top plate 3 offer card slot respectively, the inside of card slot and iron block 17 on top plate 3
External clamping, ensure that the flatness of 2 inner cavity bottom end of rectangular channel, make raw material when pouring into the inner cavity of rectangular channel 2, bottom is flat
It is whole, circular groove 4 is offered in the middle part of 2 inner cavity bottom end of rectangular channel, and square groove 5,5 inner cavity of square groove are offered in the middle part of 4 inner cavity bottom end of circular groove
The side of bottom end is fixedly installed with motor 6, is fixedly connected with worm screw 7 on the output shaft of motor 6, worm screw 7 be located at turbine 9 just under
Side, and the outer tooth engagement of the extension of worm screw 7 and turbine 9 makes top plate 3 and square column 13 by the latching characteristics of worm screw 7 and turbine 9
It will not decline because of pressure, and pass through worm screw 7, turbine 9, motor 6, threaded rod 8, movable block 10, connecting rod 12 and square column
13 be used cooperatively, be ejected the raw material in 2 inner cavity of rectangular channel can after the completion of injection molding, product is made to be easily separated from mold 1,
To achieve the purpose that Shampoo bottle fast injection molding stripper apparatus makes product be easily separated from mold 1, the bottom of 5 inner cavity two sides of square groove
Hold equal movable sleeve to be connected to threaded rod 8, the two sides of threaded rod 8 offer screw thread respectively, and at two on threaded rod 8 screw thread rotation
Contrary, one end fixing sleeve of threaded rod 8 is connected to turbine 9, and the external screw-thread of threaded rod 8 is socketed with movable block 10, movable block
10 quantity is two, and two 10 equal pivot bush units in positive middle part of movable block have gag lever post 11, and gag lever post 11 is located at threaded rod 8
Front, and the both ends of gag lever post 11 are fixedly connected with the two sides of 5 inner cavity of square groove respectively, the top difference of two movable blocks 10
It is hinged with connecting rod 12, the other end of two connecting rods 12 is hinged with the square column 13 inside top plate 3, the top of square column 13
Square hole 14 is offered, electromagnet 15 is fixedly installed in the middle part of 14 inner cavity of square hole, the two sides of electromagnet 15 have been respectively fixedly connected with
First telescopic rod 16, the other end of two the first telescopic rods 16 have been respectively fixedly connected with iron block 17, two the first telescopic rods 16
External pivot bush unit respectively has reset spring 18, and one end of reset spring 18 is fixedly connected with one end of iron block 17, reset spring
18 other end is fixedly connected with one end of electromagnet 15, passes through reset spring 18, the first telescopic rod 16, electromagnet 15 and iron block
17 be used cooperatively, allows top plate 3 to be easily fixed on square column 13 or separate with square column 13, and then in top plate 3 in length
After phase use, due to there was only middle part stress, it is conveniently replaceable when being bent, to improve Shampoo bottle fast injection molding demoulding dress
The practicability set, the quadrangle of 4 inner cavity bottom end of circular groove have been respectively fixedly connected with the second telescopic rod 19, the top of four the second telescopic rods 19
End is fixedly connected to annular slab 20, and the top of annular slab 20 is connected with rubber ring 21, the top of rubber ring 21 and circular groove 4
The top movable of inner cavity connects, and the inside of rubber ring 21 is rectangular, and the slide outside of the inside of rubber ring 21 and square column 13 connects
It connects, pivot bush unit has ring spring 22, one end of ring spring 22 and annular slab 20 respectively for the outside of four the second telescopic rods 19
Bottom end be fixedly connected, the other end of ring spring 22 is fixedly connected with the bottom end of 4 inner cavity of circular groove, passes through ring spring 22,
Two telescopic rods 19 and annular slab 20 are used cooperatively, and when dropping rubber ring 21 at ambient temperature shrinkage occurs, annular slab 20 can
To squeeze rubber ring 21 under the action of 22 restoring force of ring spring, it is set to be squeezed expansion, and then rubber ring 21 is made to remain unchanged
It can be tightly bonded with square column 13 and circular groove 4, so that the leakproofness of Shampoo bottle fast injection molding stripper apparatus is improved, square groove 5
Through-hole 23 is offered close to the side of motor 6, the quantity of through-hole 23 is two, and pivot bush unit has respectively for the inside of two through-holes 23
Piston 24, the external fixing sleeve of piston 24 are connected to rubber block 25, and the quantity of rubber block 25 is three, the outside of three rubber blocks 25
It is connect with the internal slide of through-hole 23.
Raw material is poured in rectangular channel 2 is molded first by working principle, after injection molding, opens the electricity of motor 6
The output shaft in source, motor 6 drives threaded rod 8 to rotate by worm screw 7 and turbine 9, and threaded rod 8 passes through movable block 10 and connecting rod 12
It drives square column 13 to rise, and then is ejected the raw material after injection molding by top plate 3, then when top plate 3 is bent, open electromagnetism
The power supply of iron 15 separates iron block 17 under the action of 15 magnetic force of electromagnet with the side inside top plate 3, replaces top plate 3, finally
When environment temperature declines, and shrinkage occurs, annular slab 20 can squeeze rubber ring 21 under the action of 22 restoring force of ring spring,
So that it is squeezed expansion, and then be bonded rubber ring 21 with square column 13 and circular groove 4 can still tightly.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of Shampoo bottle fast injection molding stripper apparatus, including mold (1), it is characterised in that: mold (1) the inner cavity bottom end
Middle part offer rectangular channel (2), the inner cavity movable sleeve of the rectangular channel (2) is connected to top plate (3), rectangular channel (2) inner cavity
It offers in the middle part of bottom end circular groove (4), is offered square groove (5) in the middle part of circular groove (4) the inner cavity bottom end, in the square groove (5)
The side at bottom of chamber end is fixedly installed with motor (6), is fixedly connected with worm screw (7), the square groove on the output shaft of the motor (6)
(5) the equal movable sleeve in the bottom end of inner cavity two sides is connected to threaded rod (8), and one end fixing sleeve of the threaded rod (8) is connected to turbine (9),
The external screw-thread of the threaded rod (8) is socketed with movable block (10), and the quantity of the movable block (10) is two, two work
The equal pivot bush unit in motion block (10) positive middle part has gag lever post (11), and the top of two movable blocks (10) has been respectively articulated with company
Extension bar (12), the other end of two connecting rods (12) are hinged with the square column (13) internal positioned at top plate (3), the square column
(13) top offers square hole (14), is fixedly installed with electromagnet (15), the electromagnetism in the middle part of square hole (14) inner cavity
The two sides of iron (15) have been respectively fixedly connected with the first telescopic rod (16), and the other end of two first telescopic rods (16) is solid respectively
Surely it is connected with iron block (17), pivot bush unit has reset spring (18) respectively for the outside of two first telescopic rods (16), described
The quadrangle of circular groove (4) inner cavity bottom end has been respectively fixedly connected with the second telescopic rod (19), the top of four second telescopic rods (19)
End is fixedly connected to annular slab (20), and the top of the annular slab (20) is connected with rubber ring (21), and four described the
Pivot bush unit has ring spring (22) respectively for the outside of two telescopic rods (19), and the square groove (5) opens up close to the side of motor (6)
Have through-hole (23), the quantity of the through-hole (23) is two, and pivot bush unit has piston respectively for the inside of two through-holes (23)
(24), the external fixing sleeve of the piston (24) is connected to rubber block (25).
2. a kind of Shampoo bottle fast injection molding stripper apparatus according to claim 1, it is characterised in that: the top plate (3)
Shape be rectangle, the outside of the top plate (3) and the inner cavity of rectangular channel (2) be slidably connected, the two sides inside the top plate (3)
Card slot is offered respectively, the external clamping of the inside Yu iron block (17) of card slot on the top plate (3).
3. a kind of Shampoo bottle fast injection molding stripper apparatus according to claim 1, it is characterised in that: the worm screw (7)
Positioned at the underface of turbine (9), and the outer tooth engagement of the extension of worm screw (7) and turbine (9).
4. a kind of Shampoo bottle fast injection molding stripper apparatus according to claim 1, it is characterised in that: the threaded rod
(8) two sides offer screw thread respectively, and at two on threaded rod (8) screw thread direction of rotation it is opposite.
5. a kind of Shampoo bottle fast injection molding stripper apparatus according to claim 1, it is characterised in that: the gag lever post
(11) it is located at the front of threaded rod (8), and the both ends of gag lever post (11) are fixedly connected with the two sides of square groove (5) inner cavity respectively.
6. a kind of Shampoo bottle fast injection molding stripper apparatus according to claim 1, it is characterised in that: the reset spring
(18) one end is fixedly connected with the one end of iron block (17), the other end of the reset spring (18) and the one end of electromagnet (15)
It is fixedly connected.
7. a kind of Shampoo bottle fast injection molding stripper apparatus according to claim 1, it is characterised in that: the rubber ring
(21) top is connect with the top movable of circular groove (4) inner cavity, and the inside of the rubber ring (21) is rectangular, and rubber ring (21)
Inside connect with the slide outside of square column (13).
8. a kind of Shampoo bottle fast injection molding stripper apparatus according to claim 1, it is characterised in that: the ring spring
(22) one end is fixedly connected with the bottom end of annular slab (20), the other end and circular groove (4) inner cavity of the ring spring (22)
Bottom end is fixedly connected.
9. a kind of Shampoo bottle fast injection molding stripper apparatus according to claim 1, it is characterised in that: the rubber block
(25) quantity is three, and the outside of three rubber blocks (25) is connect with the internal slide of through-hole (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811400927.9A CN109352931A (en) | 2018-11-22 | 2018-11-22 | A kind of Shampoo bottle fast injection molding stripper apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811400927.9A CN109352931A (en) | 2018-11-22 | 2018-11-22 | A kind of Shampoo bottle fast injection molding stripper apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109352931A true CN109352931A (en) | 2019-02-19 |
Family
ID=65338379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811400927.9A Pending CN109352931A (en) | 2018-11-22 | 2018-11-22 | A kind of Shampoo bottle fast injection molding stripper apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109352931A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509503A (en) * | 2019-09-09 | 2019-11-29 | 李杰鹏 | Injection mold for pipeline production |
| CN112222299A (en) * | 2020-09-04 | 2021-01-15 | 衡阳市振洋汽车配件有限公司 | Automobile processing die assembly |
| CN112935220A (en) * | 2021-01-06 | 2021-06-11 | 安徽将煜电子科技有限公司 | Die-casting machine clamping mechanism |
| CN113346682A (en) * | 2021-07-02 | 2021-09-03 | 无锡华尔圣科技有限公司 | Just, adorn formula encoder that suitability is high |
| CN113977861A (en) * | 2021-10-18 | 2022-01-28 | 冯杰 | Intelligent silica gel vertical injection molding machine based on efficient production and injection molding method |
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| FR2225271A1 (en) * | 1973-04-11 | 1974-11-08 | Ducruez Raymond | Injection moulding nozzle with integral ejection ram - esp. used for deep mouldings of expanded polystyrene |
| CN206357554U (en) * | 2016-11-25 | 2017-07-28 | 硕昌（上海）精密塑料制品有限公司 | A kind of mould applied to printer vinyl cover |
| CN207273784U (en) * | 2017-05-02 | 2018-04-27 | 东莞市大展精密模具有限公司 | An automatic mold opening device for an injection molding machine |
| CN207829282U (en) * | 2017-12-22 | 2018-09-07 | 合肥国瑞装配式建筑科技有限公司 | A kind of polymer light block molding machine |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2225271A1 (en) * | 1973-04-11 | 1974-11-08 | Ducruez Raymond | Injection moulding nozzle with integral ejection ram - esp. used for deep mouldings of expanded polystyrene |
| CN206357554U (en) * | 2016-11-25 | 2017-07-28 | 硕昌（上海）精密塑料制品有限公司 | A kind of mould applied to printer vinyl cover |
| CN207273784U (en) * | 2017-05-02 | 2018-04-27 | 东莞市大展精密模具有限公司 | An automatic mold opening device for an injection molding machine |
| CN207829282U (en) * | 2017-12-22 | 2018-09-07 | 合肥国瑞装配式建筑科技有限公司 | A kind of polymer light block molding machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509503A (en) * | 2019-09-09 | 2019-11-29 | 李杰鹏 | Injection mold for pipeline production |
| CN112222299A (en) * | 2020-09-04 | 2021-01-15 | 衡阳市振洋汽车配件有限公司 | Automobile processing die assembly |
| CN112935220A (en) * | 2021-01-06 | 2021-06-11 | 安徽将煜电子科技有限公司 | Die-casting machine clamping mechanism |
| CN113346682A (en) * | 2021-07-02 | 2021-09-03 | 无锡华尔圣科技有限公司 | Just, adorn formula encoder that suitability is high |
| CN113346682B (en) * | 2021-07-02 | 2022-02-22 | 无锡华尔圣科技有限公司 | Just, adorn formula encoder that suitability is high |
| CN113977861A (en) * | 2021-10-18 | 2022-01-28 | 冯杰 | Intelligent silica gel vertical injection molding machine based on efficient production and injection molding method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190219 |
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