CN103862712B - Material injection device for mold - Google Patents
Material injection device for mold Download PDFInfo
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- CN103862712B CN103862712B CN201410072822.0A CN201410072822A CN103862712B CN 103862712 B CN103862712 B CN 103862712B CN 201410072822 A CN201410072822 A CN 201410072822A CN 103862712 B CN103862712 B CN 103862712B
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- material feeding
- pressure sensitive
- feeding plate
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Abstract
The invention belongs to material feeding field of mechanical technique, more particularly, to a kind of material injection device for mold.It solves the low technical problem of prior art control accuracy.This material injection device for mold includes material feeding plate and the material hole being arranged on material feeding plate, and being provided with material feeding plate can be according to material feeding mould cavity pressure variety so that the pressure sensitive that produce corresponding deformation and stopping material feeding signal can be produced when deformation reaches setting deflection quantifies controlling organization.Compared with prior art, the advantage of the invention is that：1st, design more reasonable, it is simple in construction and control accuracy is high, extensive use can be easy to；2nd, it is simple in construction and cost is low, it is practical；3rd, it is applied widely, it can adapt to various types of material feeding moulds；4th, material feeding efficiency high and service life is long, is convenient to clean and repairs.
Description
Technical field
The invention belongs to material feeding field of mechanical technique, more particularly, to a kind of material injection device for mold.
Background technology
With the continuous progress of science and technology, increasing automation equipment is presented commercially, automation equipment its have
The advantages of improving production efficiency and reduction labor intensity, therefore, existing many enterprises all voluntarily need in development ＆ production from
Dynamicization equipment；For example：In the manufacture field of magnetic material, enterprise has begun to be noted automatically using automation material injecting device
Material, still, existing its structure of automation material injecting device are complex, in addition, needing to carry out scraper or use after material feeding is completed
Sensor carries out the quantitative control of blank, to reach quantitative purpose, the two ways not only low production efficiency, and work is strong
Degree is big, and secondly, its control process of whole scheme is cumbersome and precision is low, directly affects the quality of product.In order to be able to improve production effect
Rate and control accuracy, therefore, people have carried out long-term exploration, it is proposed that various solutions.
For example, Chinese patent literature discloses a kind of material injecting device [notification number of hydraulic machine for magnetic material：
200820214647.4], it is made up of barrel, agitating device, material pouring cylinder, interior agitating device in the barrel；The material pouring cylinder
It is connected with barrel；The automatic compensation adjustment device of shot is provided with material pouring cylinder；Automatic compensation adjustment device is in material pouring cylinder
Both sides be respectively provided with a piston cylinder；The piston rod of the piston rod and material pouring cylinder is fixedly connected with a slide block, and the sliding block is also
It is connected with adjusting means.The present apparatus automatically adjusts shot by the automatic compensation adjustment device of shot, meet in die cavity into
Doses required for product shaping.Above-mentioned scheme can prevent the excessive caused overflow of doses from destroying the global formation of product, and material
Product can not be molded caused by measuring very little, improve production efficiency.Although above-mentioned scheme improves the production effect of product
Also at least there is following defect in rate, still, the program：1st, design unreasonable, its control accuracy is low and poor universality, it is impossible to be applicable
In various formers；2nd, control process is cumbersome and formed product after it is second-rate, it is impossible to meet use requirement；3rd, production effect
Rate is relative or relatively low, it is impossible to meet the production requirement of enterprise；4th, stability is poor during material feeding.
The content of the invention
Regarding the issue above, the present invention provides a kind of design more reasonable and high mould material feeding of control accuracy
Device.
To reach above-mentioned purpose, present invention employs following technical proposal：This material injection device for mold includes material feeding plate and set
The material hole on material feeding plate is put, corresponding shape can be produced according to material feeding mould cavity pressure variety by being provided with material feeding plate
Become and can be produced when deformation reaches setting deflection the quantitative controlling organization of pressure sensitive for stopping material feeding signal.
When material feeding, blank enters in mould cavity from material hole, and with the increase of blank, mould cavity is filled with and mould
Air between tool die cavity and material feeding plate is when be extruded into the top, i.e. material feeding of material feeding plate, mould cavity and material feeding plate it
Between pressure constantly change, when the deformation of the quantitative controlling organization of pressure sensitive reaches setting deflection so that and material hole
Connected material injecting mechanism stops charging, and the application is by the change of pressure so that the injection rate of blank is controlled, not only with structure
The simple and high advantage of control accuracy, but also stability when greatly improved the application operation, can be easy to extensive use.
In above-mentioned material injection device for mold, the quantitative controlling organization of described pressure sensitive include being arranged on material feeding plate and
It can be produced and be provided with the outside of the pressure sensitive part of corresponding deformation, described pressure sensitive part when pressure sensitive part becomes according to pressure size
Shape stops the signal generation device of charging signal to that can be produced when being in contact with it.When material feeding, blank enters mould from material hole
In die cavity, with the continuous injection of blank so as to fill whole mould cavity, i.e., while material feeding between material feeding plate and mould
Pressure constantly change, the change of pressure is so that corresponding deformation occurs for pressure sensitive part, when pressure sensitive part is deformed into
When being contacted with signal generation device, signal generation device send the material injecting mechanism that is connected with material hole of control signal control stop to
Mould cavity material feeding.
In above-mentioned material injection device for mold, pressure measurement through hole, described pressure sensitive part bag are provided with described material feeding plate
Include by sheet can the deformation piece that is made of shape-changing material and deformation piece can recover deformation after pressure discharges, described deformation piece passes through
Location structure is fixed on the pressure measurement through hole of material feeding plate.When the pressure between material feeding plate and mould is continually changing, pressure sensitive
Axial deformation of the part along pressure measurement through hole.
In above-mentioned material injection device for mold, described signal generation device includes pacifying on mounting bracket, described mounting bracket
Equipped with the pressure sensor on the outside of pressure sensitive part, described pressure sensor is being located at the central area of pressure sensitive part just
Top, being provided between described mounting bracket and pressure sensor is used to adjust spacing between pressure sensor and pressure sensitive part
Governor motion.Certainly, signal generation device here can also contact-making switch, in addition, governor motion is available for various moulds to make
With highly versatile.
In above-mentioned material injection device for mold, described material feeding plate is provided with being trapped among material hole discharging opening periphery and in a ring
Sealing structure, described sealing structure protrude from material feeding plate be provided with discharging opening one side.When actual use, sealing structure and mould
Tool surface is linked closely, and the technical characteristic of one side of the material feeding plate provided with discharging opening is protruded from reference to sealing structure, material feeding plate is protruded from and sets
The one side for playing the role of discharging opening is：In order that forming the space passed through for blank between discharging opening and die cavity, it is ensured that blank
Stable conveying.
In above-mentioned material injection device for mold, described sealing structure includes the lip ring being fixed on material feeding plate,
Described lip ring bottom has can be with being formed the annular sealing surface of ring packing by material feeding die surface and by material feeding mould
The die cavity of tool is located on the inside of annular sealing surface.
In above-mentioned material injection device for mold, pressure transmission is provided between described pressure sensitive part and signal generation device
Structure.The structure can ensure stability during pressure transmission, it is ensured that the control accuracy of the application.
In above-mentioned material injection device for mold, described pressure transmission structure includes being fixed on pressure sensitive part and can be with
The transmission block the deformation of pressure sensitive part and lifted, described transmission block upper end has when pressure sensitive part rises can be with
The contact plane of signal generation device contact, described transmission block is fixed on pressure sensitive part by demountable structure.It is removable
Unloading structure includes some screws being arranged on pressure sensitive part, and screw thread is connected between screw and transmission block.
In above-mentioned material injection device for mold, the lifting driving that material feeding plate can be driven to lift is connected with described material feeding plate
Mechanism；Described lift drive mechanism is arranged on the translational drive mechanism that lift drive mechanism can be driven to translate.The structure is carried
The high mechanical automation degree of the application, is greatly improved production efficiency and reduces labor intensity.
In above-mentioned material injection device for mold, described lift drive mechanism includes crane, and described material feeding plate is fixed
On crane, lift actuator is connected with described crane, described lift actuator is fixed on translational drive mechanism
On, guide frame is provided between described crane and translational drive mechanism.Pass through some fixations between crane and material feeding plate
Axis body is fixed together.
In above-mentioned material injection device for mold, described location structure includes press box, and described press box is pressed on deformation piece
Periphery, described press box is fixed on the pressure measurement through hole periphery of material feeding plate by some keepers.
In above-mentioned material injection device for mold, described lip ring is made up of soft rigid material；Certainly, ring here
Shape seal can also also be made up of rigid material.Soft rigid material includes any one in rubber and silica gel；Rigid material
Including non-metallic rigid material and metal rigidity material.
In above-mentioned material injection device for mold, described governor motion includes the mounting hole being arranged on mounting bracket, described
Pressure sensor in bar shaped and being located in mounting hole, locking structure is provided between described pressure sensor and mounting hole.
Locking structure is fastener, pressure sensor can be prevented axially constantly mobile, fastener is for example：Locking screw and lock bolt etc.
Deng.
In above-mentioned material injection device for mold, described lift actuator is any one in oil cylinder or cylinder；Translation
Drive mechanism includes driven in translation plate, and driven in translation plate is connected with translation driving device；Guide frame is arranged on liter including some
Guide pillar and some guide pin bushings being arranged on driven in translation plate on frame drops, and guide pin bushing is set on guide pillar and can be with respect to guide pillar axle one by one
To movement.Translation driving device include driven in translation oil cylinder, cylinder, gear and rack be meshed etc. it is any one in structure
Kind.
In above-mentioned material injection device for mold, flexible sealing packing ring is provided between described sealing structure and material feeding plate.Should
Structure can be further ensured that sealing.
In above-mentioned material injection device for mold, described material feeding plate is provided with the filling tube being connected on material hole.
Compared with prior art, the advantage of this material injection device for mold is：1st, design more reasonable, when material feeding, blank
Enter from material hole in mould cavity, with the increase of blank, mould cavity is filled with and between mould cavity and material feeding plate
When air is extruded into the top, i.e. material feeding of material feeding plate, the pressure between mould cavity and material feeding plate constantly changes, when
The deformation of the quantitative controlling organization of pressure sensitive reaches when setting deflection so that the material injecting mechanism being connected with material hole stop into
Material, the application, so as to control the injection rate of blank, not only has the advantages that simple in construction and precision is high by the change of pressure, and
And stability when also improving the application operation, extensive use can be easy to；2nd, it is simple in construction and cost is low, it is practical；3、
It is applied widely, it can adapt to various types of material feeding moulds；4th, material feeding efficiency high and service life is long, is convenient to clean and repaiies
It is whole.
Brief description of the drawings
Fig. 1 is the structural representation that the present invention is provided.
Fig. 2 is another viewing angle constructions schematic diagram that the present invention is provided.
Fig. 3 be the present invention provide pressure sensitive part undeformed when with signal generation device not in contact with structural representation.
Fig. 4 is that the pressure sensitive part that the present invention is provided reaches the structure contacted during setting deflection with signal generation device
Schematic diagram.
In figure, material feeding plate 1, filling tube 1a, material hole 11, discharging opening 11a, fixed axis body 13, pressure measurement through hole 12, feeling of stress
Controlling organization 2, pressure sensitive part 21, deformation piece 21a, signal generation device 22, mounting bracket 22a, pressure sensor should be quantified
22b, location structure 23, press box 23a, keeper 23b, governor motion 24, mounting hole 24a, sealing structure 3, lip ring 31,
Annular sealing surface 31a, flexible sealing packing ring 32, pressure transmission structure 4, transmission block 41, contact plane 42, lift drive mechanism 5,
Crane 51, lift actuator 52, translational drive mechanism 6, driven in translation plate 61, translation driving device 62, guide pillar 63, guide pin bushing
64。
Embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As Figure 1-4, this material injection device for mold includes material feeding plate 1 and the material hole 11 being arranged on material feeding plate 1, in note
The lift drive mechanism 5 that material feeding plate 1 can be driven to lift is connected with flitch 1；Described lift drive mechanism 5, which is arranged on, to be driven
On the translational drive mechanism 6 that lift drive mechanism 5 is translated, specifically, the lift drive mechanism 5 of the present embodiment includes crane
51, it is fixed together between crane 51 and material feeding plate 1 by some fixed axis bodies 13, described material feeding plate 1 is fixed on lifting
On frame 51, lift actuator 52 is connected with crane 51, the lift actuator 52 is cylinder or oil cylinder, described lifting is driven
Dynamic device 52 is fixed on translational drive mechanism 6, in order to ensure stability during lifting, in crane 51 and translational drive mechanism 6
Between be provided with guide frame；Translational drive mechanism 6 includes driven in translation plate 61, driven in translation plate 61 and the phase of translation driving device 62
Even；Guide frame includes some guide pillars 63 being arranged on crane 51 and some guide pin bushings being arranged on driven in translation plate 61
64, guide pin bushing 64 is set on guide pillar 63 and can moved axially with respect to guide pillar 63 one by one；
For the ease of controlling and improving control accuracy, being provided with material feeding plate 1 can be according to material feeding mould cavity pressure change
Amount is so as to produce corresponding deformation and the pressure sensitive quantitative for stopping material feeding signal can be produced when deformation reaches setting deflection
Mechanism 2 processed.Prioritization scheme, the quantitative controlling organization 2 of pressure sensitive of the present embodiment includes being arranged on material feeding plate 1 and can be according to pressure
Power size produces the pressure sensitive part 21 of corresponding deformation, and the described outside of pressure sensitive part 21 is provided with when pressure sensitive part 21 becomes
Shape stops the signal generation device 22 of charging signal to that can be produced when being in contact with it.
Specifically, being provided with pressure measurement through hole 12 on material feeding plate 1 here, the described pressure sensitive part 21 that includes is included by sheet
Can the deformation piece 21a that is made of shape-changing material and deformation piece 21a can recover deformation after pressure discharges, described deformation piece 21a leads to
Location structure 23 is crossed to be fixed at the pressure measurement through hole 12 of material feeding plate 1.Further, the location structure 23 includes press box 23a, institute
The press box 23a stated is pressed on deformation piece 21a periphery, and described press box 23a is fixed on material feeding plate 1 by some keeper 23b
The periphery of pressure measurement through hole 12.
Signal generation device 22 includes being provided with outside pressure sensitive part 21 on mounting bracket 22a, described mounting bracket 22a
The pressure sensor 22b of side, described pressure sensor 22b is located at directly over the central area of pressure sensitive part 21, described
Being provided between mounting bracket 22a and pressure sensor 22b is used to adjust spacing between pressure sensor 22b and pressure sensitive part 21
Governor motion 24；Prioritization scheme, the mounting hole 24a that governor motion 24 here includes being arranged on mounting bracket 22a is described
Pressure sensor 22b is in bar shaped and is located in mounting hole 24a, and locking is provided between pressure sensor 22b and mounting hole 24a
Structure (can prevent pressure sensor 22b axially constantly mobile, not show in figure).
When the lower surface of material feeding plate 1 is held on mould, in order to ensure sealing, it is provided with material feeding plate 1 and is trapped among material feeding
The discharging opening 11a of hole 11 peripheries and sealing structure 3 in a ring, described sealing structure 3 protrude from material feeding plate 1 provided with discharging opening
11a one side.In actual use, sealing structure 3 links closely with die surface, and protruding from material feeding plate 1 with reference to sealing structure 3 is provided with
The technical characteristic of discharging opening 11a one side, the effect for protruding from one side of the material feeding plate 1 provided with discharging opening 11a is：In order that
The space passed through for blank is formed between discharging opening 11a and die cavity, ensures the stable conveying of blank.
The sealing structure 3 of the present embodiment includes the lip ring 31 being fixed on material feeding plate 1, described ring packing
The bottom of part 31 has can be with being formed the annular sealing surface 31a of ring packing by material feeding die surface and by the die cavity position of material feeding mould
On the inside of annular sealing surface 31a.In addition, being provided with flexible sealing packing ring 32 between sealing structure 3 and material feeding plate 1.
In order to be able to further improve control accuracy, passed between pressure sensitive part 21 and signal generation device 22 provided with pressure
Pass structure 4.Prioritization scheme, pressure transmission structure 4 here includes being fixed on pressure sensitive part 21 and can be with pressure sensitive
The deformation of part 21 and the transmission block 41 lifted, the described upper end of transmission block 41 has when pressure sensitive part 21 rises can be with
The contact plane 42 that signal generation device 22 is contacted, described transmission block 41 is fixed on pressure sensitive part by demountable structure
On 21.Demountable structure includes some screws being located on pressure sensitive part 21, and screw is connected with the transmission screw thread of block 41.
The operation principle of the present embodiment is as follows：When material feeding, the driving crane 51 of translational drive mechanism 6 is moved horizontally, when
After crane 51 is moved into place, the driving material feeding of lift actuator 52 plate 1 declines and makes the sealing knot located at the lower surface of material feeding plate 1
Structure 3 is held on mould that (sealing structure 3 is linked closely with die surface, and material feeding plate 1 is protruded from provided with discharging opening with reference to sealing structure 3
The technical characteristic of 11a one side, the effect for protruding from one side of the material feeding plate 1 provided with discharging opening 11a is：In order that discharging opening
The space passed through for blank is formed between 11a and die cavity, it is ensured that the stable supplying of blank), it is close by sealing structure 3 and flexibility
The effect of seal washer 32 can prevent blank from leaking, and be then fed terminal and blank is injected into mould cavity by filling tube 1a,
When blank constantly is injected into mould cavity, the effect that deformation piece 21a is under pressure so that produce deformation upwards, when deformation piece
After 21a is contacted with the pressure sensor 22b being arranged on the outside of deformation piece 21a, pressure sensor 22b produces the control for stopping material feeding
Signal (blank i.e. in mould cavity is already filled with) processed, in order to ensure the stability of contact and further improve control accuracy,
Provided with the transmission block 41 being fixed on deformation piece 21a between deformation piece 21a and pressure sensor 22b, the present embodiment is not only tied
Structure is simple, and can also improve material feeding efficiency, can prevent blank from wasting, and is convenient to clean and low cost and other advantages in addition, also having,
Control accuracy is high and can be easy to utilize；
Further, the deformation of the present embodiment is realized by following principles：With the increase of blank, mould cavity is filled with
And the air between material feeding plate 1 and mould is extruded into the inside top of material feeding plate 1, or between material feeding plate 1 and mould
Discharged in gap.Because the molecular weight of air is significantly less than the molecular weight of blank, therefore blank will not be spilt from gap.If note
Sealing between flitch 1 and sealing structure 3 is very high, when lack of air from gap to discharge, and air will be extruded to material feeding plate 1
Inside top, and concentrate on the quantitative lower section of controlling organization 2 of the pressure sensitive of the present embodiment.Its pressure and note after air is compressed
Expect that mould inside pressure is consistent, so even the internal normal work for thering is the air that can not be discharged also not interfere with the application
Make；But, the presence of air may influence the stable transmission of pressure between pressure sensitive part 21 and signal generation device 22, be this
The application is provided with pressure transmission structure 4, to ensure the stability and control accuracy of the application work.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to of the invention
The technical staff in field can make various modifications or supplement to described specific embodiment or use similar mode
Substitute, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used material feeding plate 1, filling tube 1a, material hole 11, discharging opening 11a, fixed axis body 13, survey herein
Press through hole 12, pressure sensitive quantitative controlling organization 2, pressure sensitive part 21, deformation piece 21a, signal generation device 22, mounting bracket
22a, pressure sensor 22b, location structure 23, press box 23a, keeper 23b, governor motion 24, mounting hole 24a, sealing structure
3rd, lip ring 31, annular sealing surface 31a, flexible sealing packing ring 32, pressure transmission structure 4, transmission block 41, contact plane
42nd, lift drive mechanism 5, crane 51, lift actuator 52, translational drive mechanism 6, driven in translation plate 61, driven in translation dress
The terms such as 62, guide pillar 63, guide pin bushing 64 are put, but are not precluded from the possibility using other terms.The use of these terms is only to be
More easily describe and explain the essence of the present invention；Being construed as any additional limitation is all and the present invention
What spirit was disagreed.
Claims (6)
1. a kind of material injection device for mold, it is characterised in that the present apparatus includes material feeding plate (1) and the note being arranged on material feeding plate (1)
Expect hole (11), corresponding deformation can be produced and when change according to material feeding mould cavity pressure variety by being provided with material feeding plate (1)
Shape can produce the quantitative controlling organization (2) of pressure sensitive for stopping material feeding signal, described pressure sensitive when reaching setting deflection
Quantitative controlling organization (2) includes being arranged on material feeding plate (1) and the pressure sensitive part of corresponding deformation can be produced according to pressure size
(21), on the outside of described pressure sensitive part (21) provided with can be produced when pressure sensitive part (21) is deformed into and is in contact with it stop into
Expect the signal generation device (22) of signal, described signal generation device (22) includes mounting bracket (22a), described mounting bracket
Pressure sensor (22b) on the outside of pressure sensitive part (21), described pressure sensor (22b) position are installed on (22a)
Directly over the central area of pressure sensitive part (21), provided with use between described mounting bracket (22a) and pressure sensor (22b)
Between adjustment pressure sensor (22b) and pressure sensitive part (21) on the governor motion (24) of spacing, described material feeding plate (1)
Provided with material hole (11) discharging opening (11a) periphery and sealing structure (3) in a ring is trapped among, described sealing structure (3) is prominent
The one side of discharging opening (11a) is provided with material feeding plate (1), is set between described pressure sensitive part (21) and signal generation device (22)
There is pressure transmission structure (4).
2. material injection device for mold according to claim 1, it is characterised in that pressure measurement is provided with described material feeding plate (1) and is led to
Hole (12), described pressure sensitive part (21) includes can the deformation piece (21a) that is made of shape-changing material and when pressure release by sheet
Deformation piece (21a) can recover deformation afterwards, and described deformation piece (21a) is fixed on the survey of material feeding plate (1) by location structure (23)
Press through hole (12) place.
3. material injection device for mold according to claim 2, it is characterised in that described sealing structure (3) includes being fixed on
Lip ring (31) on material feeding plate (1), described lip ring (31) bottom have can with by material feeding die surface shape
Circularize sealed annular sealing surface (31a) and be located at by the die cavity of material feeding mould on the inside of annular sealing surface (31a).
4. material injection device for mold according to claim 3, it is characterised in that described pressure transmission structure (4) includes solid
It is scheduled on the transmission block (41) that can be lifted on pressure sensitive part (21) and with the deformation of pressure sensitive part (21), described transmission
Block (41) upper end has the contact plane (42) that can be contacted when pressure sensitive part (21) rises with signal generation device (22),
Described transmission block (41) is fixed on pressure sensitive part (21) by demountable structure.
5. material injection device for mold according to claim 4, it is characterised in that being connected with described material feeding plate (1) can band
The lift drive mechanism (5) of dynamic material feeding plate (1) lifting；Described lift drive mechanism (5), which is arranged on, can drive elevator drive machine
On the translational drive mechanism (6) of structure (5) translation.
6. material injection device for mold according to claim 5, it is characterised in that described lift drive mechanism (5) includes rising
Frame (51) is dropped, and described material feeding plate (1) is fixed on crane (51), and lift actuator is connected with described crane (51)
(52), described lift actuator (52) is fixed on translational drive mechanism (6), described crane (51) and driven in translation machine
Guide frame is provided between structure (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410072822.0A CN103862712B (en) | 2014-02-28 | 2014-02-28 | Material injection device for mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410072822.0A CN103862712B (en) | 2014-02-28 | 2014-02-28 | Material injection device for mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103862712A CN103862712A (en) | 2014-06-18 |
| CN103862712B true CN103862712B (en) | 2017-10-13 |
Family
ID=50902013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410072822.0A Active CN103862712B (en) | 2014-02-28 | 2014-02-28 | Material injection device for mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103862712B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115847592B (en) * | 2023-02-21 | 2023-05-12 | 武汉安智信自动化有限公司 | Pressure detection mechanism and automatic concrete filling production line |
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| CN203994843U (en) * | 2014-02-28 | 2014-12-10 | 杭州东博自动化科技有限公司 | Mould material injecting device |
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|---|---|---|---|---|
| CN101206972A (en) * | 2006-12-19 | 2008-06-25 | 詹奇峰 | Automatic pneumatic switch for air compressor |
| CN201195418Y (en) * | 2008-02-29 | 2009-02-18 | 横店集团东磁股份有限公司 | Self-feeder of magnetic product press |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103862712A (en) | 2014-06-18 |
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Denomination of invention: Mold injection device Effective date of registration: 20230526 Granted publication date: 20171013 Pledgee: Ningguo SME financing Company limited by guarantee Pledgor: Ningguo Yongding Intellectual Property Operation Co.,Ltd. Registration number: Y2023980041919 |