CN208343353U - Adjust the process units of stifled ball - Google Patents
Adjust the process units of stifled ball Download PDFInfo
- Publication number
- CN208343353U CN208343353U CN201820224763.8U CN201820224763U CN208343353U CN 208343353 U CN208343353 U CN 208343353U CN 201820224763 U CN201820224763 U CN 201820224763U CN 208343353 U CN208343353 U CN 208343353U
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- China
- Prior art keywords
- stifled ball
- process units
- cover half
- adjusting
- fluid material
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- Expired - Fee Related
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- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
This application provides a kind of process units for adjusting stifled ball, which includes hopper, injection mechanism and shaping mechanism.Wherein, the hopper, which contains, prepares the fluid material for adjusting stifled ball.The injection mechanism is connected to the hopper, for fluid material to be injected into the shaping mechanism.The shaping mechanism, including the cover half being connected to the injection mechanism, and the dynamic model matched with the cover half, die cavity is formed after the cover half and dynamic model molding, to accept the fluid material flowed into from the cover half, and then produces the stifled ball of the tune.The process units of the stifled ball of tune of the utility model can the more balls of a mould improve efficiency, and injection port leads to the flow channel length of cover half, runner radius, cast gate and all is the same size, and precision is high, and waste material can be greatly decreased.
Description
Technical field
The application belongs to technical field of petroleum extraction, and in particular to a kind of production dress of the stifled ball of the tune that Oil Field uses
It sets.
Background technique
At present in oil extraction process, after laminated distributor under well water filling, oil reservoir intrinsic permeability has differences logical
Often it can make that stifled ball is adjusted to set on the corresponding borehole of high permeability formation using adjusting stifled ball to be moved to underground target zone with note well liquid, reach
The effect of intake profile is adjusted, and then balances the permeability in oil reservoir.
For adjusting the production of stifled ball, the mold used in the prior art is not because require the density of casting, and nozzle is extremely
The flow channel length and size of each casting sprue require not high.Cause low efficiency, waste material are high (material in runner and to be unsatisfactory for
It is required that be all waste material), precision it is low, in turn result in and most stifled ball adjusted all not reach requirement precision.
Simultaneously as the mold runner 35 in the prior art for adjusting stifled ball process units is linearly distributed, as shown in Figure 1,
The runner 35 is arranged from injection port 212 to both ends, will lead to gradually drop from intermediate flow channel 35 to the temperature of both ends runner 35 in this way
Low, injection pressure is gradually reduced, and is in turn resulted in the stifled ball precision of the tune produced and is not reached requirement.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, the technical problem to be solved by the utility model is to provide a kind of adjust to block up
The process units of ball can produce isopycnic adjust and block up ball, improve the precision and production efficiency for adjusting stifled ball.
The specific technical solution of the utility model is:
The utility model provides a kind of process units for adjusting stifled ball, comprising: hopper, injection mechanism and shaping mechanism,
In,
The hopper, which contains, prepares the fluid material for adjusting stifled ball；
The injection mechanism is connected to the hopper, for fluid material to be injected into the shaping mechanism；
The shaping mechanism, including the cover half being connected to the injection mechanism, and the dynamic model matched with the cover half,
Die cavity is formed after the cover half and dynamic model molding, to accept the fluid material flowed into from the cover half, and then described in production
Adjust stifled ball.
In one preferred embodiment, the injection mechanism includes:
Shell, the shell is interior to have accommodating chamber, and the accommodating chamber is connected with the hopper, to accept from the hopper
The fluid material of inflow, the shell have injection port；
Screw rod is arranged in the accommodating chamber, and can slide along the longitudinally of the accommodating chamber, to squeeze the stream
Body raw material, and the fluid material is inputted by the shaping mechanism by the injection port；
Motor, the motor are electrically connected with the screw rod, to provide sliding force for the screw rod.
In one preferred embodiment, the injection mechanism includes check ring, and the check ring is set to the spiral shell
On bar, to prevent the screw rod retrogressive slide.
In one preferred embodiment, the injection mechanism includes heater, and the heater is arranged in the shell
In vitro, to be heated to the fluid material.
In one preferred embodiment, the heater is by the way of progressive solution, in the middle part of the heater
Heating temperature is 190~260 DEG C, and the heater is 200~270 DEG C close to the temperature of the injection port, and the heater is remote
Heating one end temperature from the injection port is 200~250 DEG C.
In one preferred embodiment, the shaping mechanism includes transmission mechanism, and the transmission mechanism includes:
Frame body is fixedly connected with the cover half, has drive cavity in the frame body；
Drive rod, described drive rod one end are arranged in the drive cavity, and the other end is fixedly connected with the dynamic model, described
Drive rod can slide in the drive cavity, to drive the dynamic model close and/or far from the cover half.
In one preferred embodiment, the end for the drive rod being arranged in the drive cavity is formed with abutting part,
The inner wall of the abutting part and the drive cavity seals against, and the drive cavity is divided into first chamber and second chamber, institute
First chamber is stated to be connected with pressurizing device.
In one preferred embodiment, the shaping mechanism includes regulating mechanism, and the regulating mechanism includes and institute
The fixed adjusting block of frame body is stated, the adjusting block has the first screw thread, has the second screw thread, second spiral shell on the drive rod
Line can be threadedly engaged with described first to be finely adjusted to the dynamic model.
In one preferred embodiment, the shaping mechanism includes locking mechanism, and the locking mechanism energy will be described
Dynamic model is locked with the cover half.
In one preferred embodiment, the shaping mechanism includes pressure detector, and the pressure detector can be examined
Survey the pressure in the die cavity.
In one preferred embodiment, there is runner, the runner can be defeated by the fluid material in the cover half
It send to the die cavity.
In one preferred embodiment, the runner includes multiple first branch flow passages of scatter distributions, each
The free end of first branch flow passage is provided with the second branch flow passage, and second branch flow passage is connected with the die cavity.
In one preferred embodiment, first branch flow passage and second branch flow passage are arranged at same
In plane.
In one preferred embodiment, the injection pressure of the injection mechanism is 70-100MPa, the temperature of the cover half
Degree control is between 50~70 DEG C.
By above technical solution, the beneficial effects of the present application are as follows: the process units of the stifled ball of the tune of the utility model
Can a mould more balls improve efficiency, and injection port leads to the flow channel length of cover half, runner radius, cast gate and all is the same size, essence
Degree is high, and waste material can be greatly decreased.
Referring to following description and accompanying drawings, specific implementations of the present application are disclosed in detail, specify the original of the application
Reason can be in a manner of adopted.It should be understood that presently filed embodiment is not so limited in range.In appended power
In the range of the spirit and terms that benefit requires, presently filed embodiment includes many changes, modifications and is equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
It uses in a other embodiment, is combined with the feature in other embodiment, or the feature in substitution other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Detailed description of the invention
Attached drawing described here is only used for task of explanation, and is not intended to limit model disclosed in the present application in any way
It encloses.In addition, shape and proportional sizes of each component in figure etc. are only schematical, it is used to help the understanding to the application, and
It is not the specific shape and proportional sizes for limiting each component of the application.Those skilled in the art, can under teachings of the present application
Implement the application to select various possible shapes and proportional sizes as the case may be.In the accompanying drawings:
Fig. 1 is the structural schematic diagram for adjusting the runner of process units of stifled ball in the prior art；
Fig. 2 is the structural schematic diagram of the process units of the stifled ball of tune of the application embodiment；
Fig. 3 is the structural schematic diagram of the runner of the process units of the stifled ball of tune of the application embodiment.
The appended drawing reference of the figures above: 1, hopper；2, injection mechanism；21, shell；211, accommodating chamber；212, injection port；
22, screw rod；23, motor；24, check ring；25, heater；3, shaping mechanism；31, cover half；32, dynamic model；331, frame body；332,
Drive cavity；333, drive rod；334, abutting part；335, first chamber；336, second chamber；341, adjusting block；342, the first spiral shell
Line；343, the second screw thread；35, runner；351, the first branch flow passage；352, the second branch flow passage；36, die cavity
Specific embodiment
Below in conjunction with the attached drawing in the application embodiment, the technical solution in the application embodiment is carried out clear
Chu is fully described by, it is clear that described embodiment is only a part of embodiment of the application, rather than whole realities
Apply mode.Based on the embodiment in the application, those of ordinary skill in the art institute without creative efforts
The every other embodiment obtained, shall fall in the protection scope of this application.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more
Any and all combinations of relevant listed item.
As Figure 2-3, the utility model provides a kind of process units for adjusting stifled ball, which includes hopper 1, injector
Structure 2 and shaping mechanism 3.Wherein, the hopper 1, which contains, prepares the fluid material for adjusting stifled ball.The injection mechanism 2 with
The hopper 1 is connected to, for fluid material to be injected into the shaping mechanism 3.The shaping mechanism 3, including with the injection
The cover half 31 that mechanism 2 is connected to, and the dynamic model 32 matched with the cover half 31, after the cover half 31 is molded with the dynamic model 32
Die cavity 36 is formed, to accept the fluid material flowed into from the cover half 31, and then described adjust is produced and blocks up ball.
Preparation in hopper 1 when in use, can be adjusted the fluid of stifled ball by the process units of the stifled ball of the tune of the utility model
Raw material is inputted into injection mechanism 2, then fluid material is squeezed into the cover half 31 and dynamic model of shaping mechanism 3 by injection mechanism 2
In 32 die cavitys 36 formed.Then after supercooling, pressure maintaining formation need the stifled ball of tune of density, the tune of die sinking release preparation completion
Stifled ball.
The process units energy more balls of one mould of the stifled ball of the tune of the utility model improve efficiency, and injection port 212 leads to cover half
31 flow channel length, runner radius, cast gate all are the same size, and precision is high, waste material can be greatly decreased.
Attached drawing 2 is referred to, in the present embodiment, hopper 1 contains the fluid material that stifled ball is adjusted in preparation, can be according to need
Different container containings is selected, for example, tank, bucket etc..Injection mechanism 2 is connected with hopper 1, and the fluid in hopper 1 is former
Material is injected into shaping mechanism 3.
Specifically, which may include shell 21, screw rod 22 and motor 23.The note of the injection mechanism 2
Injection pressure can be 70-100MPa.Although the injection pressure the high more is conducive to adjust the raising of stifled ball precision, if injection pressure
Power is excessively high, and for example injection pressure is more than 100MPa, then fluid material is easy to pierce from the gap of dynamic model and cover half and leak.If injection pressure
Too low, for example injection pressure is less than 70MPa, then the space in die cavity cannot adequately fill up fluid material, will lead to production in this way
Tune out, which blocks up ball and formed there are hole, to be steeped, and causes to adjust the precision of stifled ball relatively low.
The shell 21 is substantially cylindrical, internal to have accommodating chamber 211, the accommodating chamber 211 and 1 phase of hopper
Connection, to accept the fluid material flowed into from the hopper 1.In addition, there is note in the link position of shell 21 and shaping mechanism 3
Loophole 212.Screw rod 22 can be set in the accommodating chamber 211, and can slide along the longitudinally of the accommodating chamber 211.When
Screw rod 22 can squeeze the fluid material, and pass through the injection port 212 for institute to when sliding close to the shaping mechanism 3
It states fluid material and inputs the shaping mechanism 3.When screw rod 22 far from the shaping mechanism 3 to when sliding, screw rod 22 is answered
Bit manipulation.The motor 23 can be electrically connected with the screw rod 22, to provide sliding force for the screw rod 22.
Further, the injection mechanism 2 may include check ring 24, and the check ring 24 is disposed in proximity to the screw rod
22 front end can prevent 22 retrogressive slide of screw rod, to keep the present position of the screw rod 22.Preferably, the note
Penetrating mechanism 2 can also include heater 25, and the heater 25 is arranged outside the shell 21, to carry out to the fluid material
Heating.The heater 25 is by the way of progressive solution, and the heating temperature at 25 middle part of heater is 190~260 DEG C, institute
It is 200~270 DEG C that heater 25, which is stated, close to the temperature of the injection port 212, and the heater 25 is far from the injection port 212
Heating one end temperature is 200~250 DEG C.Because the temperature requirement of injection port makes fluid material reach the state melted completely, this
Temperature is exactly the process for allowing fluid material gradually to soften from the distal end of injection mechanism to injection port.If heater heating rate is too
Fastly, for example heater directly reaches maximum temperature, first is that the chemical property to fluid material affects, exchanges stifled ball
Precision have an impact；Second is that the requirement to injection mechanism improves, expense increases.Therefore heater preferably uses progressive solution
Form.
Specifically, the heater 25 can be coated on outside the shell 21, alternatively, the heater 25 can also be more
A, multiple heaters 25 can be uniformly distributed along the circumferential direction of the shell 21.Those skilled in the art can carry out according to actual needs
Setting, the application do not do any restrictions to this.
Shaping mechanism 3 may include cover half 31 and dynamic model 32, and dynamic model 32 forms die cavity 36 after can molding with cover half 31.It is fixed
Mould 31 can be connected to the injection port 212 of injection mechanism 2, and the temperature of the cover half 31 can control between 50~70 DEG C.Such as
Fruit temperature is too low, and for example the temperature of cover half is lower than 50 DEG C, and in this way when producing room temperature at 20 DEG C or so, fluid material can coagulate rapidly
Gu and then will lead to the fluid material solidification of injection port, can not injecting fluid raw material, adjust the precision of stifled ball not reach requirement.Such as
Fruit improves temperature, is for example greater than 70 DEG C, although the precision of stifled ball is adjusted to reach requirement, process velocity is greatly reduced.Field practice
It proves, if the temperature of cover half is at 50 ~ 70 DEG C, then produces isodensity tune and block up ball needs 2 minutes (min) left and right.If the temperature of cover half
Degree setting for example 100 DEG C, then produces the stifled ball of isopycnic tune and just needs 2 hours (h) to being greater than 70 DEG C.So the temperature of cover half
Cannot be too high, but can not be too low, between 50~70 DEG C.
Multiple runners 35 usually can be set in cover half 31, which can be delivered to the fluid material described
Stifled ball is adjusted in preparation in die cavity 36.Preferably, the quantity of the runner 35 can be designed according to actual needs, for example, the runner
35 can be more than or equal to 24.The tune that at least 24 identical (density) can be gone out with simultaneous processing in this way blocks up ball.It should be noted that
In order to improve processing efficiency, using the utility model using the process units of " the more balls of a mould ", therefore, the diameter of each runner 35,
Length, the size of cast gate of runner 35 want height consistent namely each runner 35 theoretically should be identical.
In a preferable embodiment, attached drawing 3 is referred to, the runner 35 may include multiple the of scatter distributions
The second branch flow passage 352 has can be set in the free end of each first branch flow passage 351 in one branch flow passage 351, described
Second branch flow passage 352 is connected with the die cavity 36.Preferably, first branch flow passage 351 and second affluent-dividing
Road 352 is respectively provided in the same plane, and the first adjacent branch flow passage 351 can be arranged vertically in the plane, but this is simultaneously
It is not the unique embodiment of the application, those skilled in the art may set according to actual needs the first branch flow passage
351 position.Similarly, the position of the second branch flow passage 352, which also can according to need, is configured, for example, can be at first point
The equidistant scatter distributions in the free end of branch flow passage 351, so that the vertex position of regular hexagon is arranged in each die cavity 36.
In addition, the shaping mechanism 3 can also include transmission mechanism, the transmission mechanism may include: frame body 331 and pass
Lever 333.Frame body 331 can be fixedly connected with the cover half 31, remained stationary state, can be formed in the frame body 331 close
The drive cavity 332 closed.
Described 333 one end of drive rod can be arranged in the drive cavity 332, and be arranged in the drive cavity 332
The end of drive rod 333 be formed with abutting part 334.The abutting part 334 can be sealed with the inner wall of the drive cavity 332 and be supported
It connects, and the drive cavity 332 is divided into first chamber 335 and second chamber 336, which can be with pressurizing device
(not shown) is connected.The pressurizing device can be fluid cylinder or oil cylinder etc., and the application is not especially limited.
In this way, pressurizing device can pressurize into the first chamber 335 of transmission 332, keep the pressure in first chamber 335 big
Pressure in second chamber 336, since the pressure of first chamber 335 is greater than the pressure of second chamber 336,334 meeting of abutting part
Drive rod 333 is driven to slide to the direction of second chamber 336.Since the other end of drive rod 333 can be solid with the dynamic model 32
Fixed connection can drive the dynamic model 32 close to the cover half 31 when such drive rod 333 is slided to 336 direction of second chamber
It is molded.After the completion of adjusting stifled ball preparation, first chamber 335 can be released stress, and drive rod 333 is i.e. to far from second chamber
336 direction sliding, such drive rod 333 can drive dynamic model 32 to complete stripping operation far from cover half 31.
As a preferred embodiment, the shaping mechanism 3 can also include regulating mechanism, the regulating mechanism can
To include the adjusting block 341 fixed with the frame body 331, the first screw thread 342 can have on the adjusting block 341.Meanwhile with this
Cooperatively, it can have the second screw thread 343 on the drive rod 333, second screw thread 343 can be with first screw thread
342 cooperations make dynamic model 32 further towards cover half 31 to be finely adjusted section to the dynamic model 32.
In addition, the shaping mechanism 3 may include locking mechanism (not shown), the locking mechanism described can will be moved
Mould 32 is locked with the cover half 31 to keep dynamic model 32 motionless.The shaping mechanism 3 can also include pressure detector (figure
In be not shown), the pressure detector can detect the pressure in the die cavity 36.Those skilled in the art can be according to die cavity 36
Interior pressure control injection mechanism 2 input fluid material in die cavity 36 number, block up ball to produce the tune of different densities.
Specifically, the dynamic model 32 and cover half 31 for making shaping mechanism 3 first mold, and lock shaping mechanism 3.Then injection mechanism
2 inject fluid material into die cavity 36 by runner 35, and pressure maintaining processing is carried out after fluid material fills up die cavity 36, keep die cavity
For a period of time, specific time and pressure can be set pressure in 36 as needed, and the application does not do any restrictions to this.
Cooling can be carried out while pressure maintaining to be made to adjust stifled ball forming, and the tune for taking out and preparing can be opened after adjusting stifled ball forming and blocks up ball,
Complete the preparation overall process for adjusting stifled ball.
It should be noted that hopper 1 provided in this embodiment etc. can select any appropriate existing construction.For clear letter
Strategic point illustrates technical solution provided by the present embodiment, will no longer repeat herein above-mentioned part, Figure of description also into
Corresponding simplification is gone.However, it should be understood that therefore the present embodiment is not restricted in range.
Here the combination of element, ingredient, component or step is described using term "comprising" or " comprising " it is also contemplated that
Substantially the embodiment being made of these elements, ingredient, component or step.Here by using term " can with ", it is intended to illustrate
Described any attribute that " can with " includes all is optional.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
It states, many embodiments and many applications except provided example all will be aobvious and easy for a person skilled in the art
See.Therefore, the range of this introduction should not be determined referring to foregoing description, but should referring to preceding claims and this
The full scope of the equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special
The disclosure of benefit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as applicant the theme is not thought of as it is disclosed
Apply for a part of theme.
Claims (14)
1. a kind of process units for adjusting stifled ball characterized by comprising hopper, injection mechanism and shaping mechanism, wherein
The hopper, which contains, prepares the fluid material for adjusting stifled ball；
The injection mechanism is connected to the hopper, for fluid material to be injected into the shaping mechanism；
The shaping mechanism, including the cover half being connected to the injection mechanism, and the dynamic model matched with the cover half, it is described
Die cavity is formed after cover half and dynamic model molding, to accept the fluid material flowed into from the cover half, and then it is stifled to produce the tune
Ball.
2. the process units according to claim 1 for adjusting stifled ball, which is characterized in that the injection mechanism includes:
Shell, the shell is interior to have accommodating chamber, and the accommodating chamber is connected with the hopper, is flowed into accepting from the hopper
Fluid material, the shell have injection port；
Screw rod is arranged in the accommodating chamber, and can slide along the longitudinally of the accommodating chamber, former to squeeze the fluid
Material, and the fluid material is inputted by the shaping mechanism by the injection port；
Motor, the motor are electrically connected with the screw rod, to provide sliding force for the screw rod.
3. the process units according to claim 2 for adjusting stifled ball, which is characterized in that the injection mechanism includes check ring,
The check ring is set on the screw rod, to prevent the screw rod retrogressive slide.
4. the process units according to claim 2 for adjusting stifled ball, which is characterized in that the injection mechanism includes heater,
The heater is arranged outside the shell, to heat to the fluid material.
5. the process units according to claim 4 for adjusting stifled ball, which is characterized in that the heater is using progressive solution
Mode, the heating temperature in the middle part of the heater are 190~260 DEG C, and the heater is 200 close to the temperature of the injection port
~270 DEG C, heating one end temperature of the heater far from the injection port is 200~250 DEG C.
6. the process units according to claim 1 for adjusting stifled ball, which is characterized in that the shaping mechanism includes driver
Structure, the transmission mechanism include:
Frame body is fixedly connected with the cover half, has drive cavity in the frame body；
Drive rod, described drive rod one end are arranged in the drive cavity, and the other end is fixedly connected with the dynamic model, the transmission
Bar can slide in the drive cavity, to drive the dynamic model close and/or far from the cover half.
7. the process units according to claim 6 for adjusting stifled ball, which is characterized in that the transmission being arranged in the drive cavity
The end of bar is formed with abutting part, and the inner wall of the abutting part and the drive cavity seals against, and the drive cavity is divided into
First chamber and second chamber, the first chamber are connected with pressurizing device.
8. the process units according to claim 6 for adjusting stifled ball, which is characterized in that the shaping mechanism includes adjusting machine
Structure, the regulating mechanism include the adjusting block fixed with the frame body, and the adjusting block has the first screw thread, on the drive rod
With the second screw thread, second screw thread can be threadedly engaged with described first to be finely adjusted to the dynamic model.
9. the process units of the stifled ball of tune according to claim 1 or 6, which is characterized in that the shaping mechanism includes locking
Mechanism, the locking mechanism can lock the dynamic model and the cover half.
10. the process units according to claim 1 for adjusting stifled ball, which is characterized in that the shaping mechanism includes pressure inspection
Device is surveyed, the pressure detector can detect the pressure in the die cavity.
11. the process units according to claim 1 for adjusting stifled ball, which is characterized in that there is runner in the cover half, it is described
The fluid material can be delivered in the die cavity by runner.
12. the process units according to claim 11 for adjusting stifled ball, which is characterized in that the runner includes scatter distributions
Multiple first branch flow passages are provided with the second branch flow passage in the free end of each first branch flow passage, and described second point
Branch flow passage is connected with the die cavity.
13. the process units according to claim 12 for adjusting stifled ball, which is characterized in that first branch flow passage and described
Second branch flow passage is respectively provided in the same plane.
14. the process units according to claim 1 for adjusting stifled ball, which is characterized in that the injection pressure of the injection mechanism
Temperature for 70-100MPa, the cover half controls between 50~70 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820224763.8U CN208343353U (en) | 2018-02-08 | 2018-02-08 | Adjust the process units of stifled ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820224763.8U CN208343353U (en) | 2018-02-08 | 2018-02-08 | Adjust the process units of stifled ball |
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| CN208343353U true CN208343353U (en) | 2019-01-08 |
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|---|---|---|---|
| CN201820224763.8U Expired - Fee Related CN208343353U (en) | 2018-02-08 | 2018-02-08 | Adjust the process units of stifled ball |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108145922A (en) * | 2018-02-08 | 2018-06-12 | 盘锦众帮商贸有限公司 | Adjust the process units of stifled ball |
| CN112108615A (en) * | 2020-09-16 | 2020-12-22 | 王德忠 | Aluminum product casting solution conveying system |
-
2018
- 2018-02-08 CN CN201820224763.8U patent/CN208343353U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108145922A (en) * | 2018-02-08 | 2018-06-12 | 盘锦众帮商贸有限公司 | Adjust the process units of stifled ball |
| CN112108615A (en) * | 2020-09-16 | 2020-12-22 | 王德忠 | Aluminum product casting solution conveying system |
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Granted publication date: 20190108 Termination date: 20200208 |