CN115321790B - Be used for TFT feeder to connect fixing device with intermediate bin - Google Patents

Be used for TFT feeder to connect fixing device with intermediate bin Download PDF

Info

Publication number
CN115321790B
CN115321790B CN202210934618.XA CN202210934618A CN115321790B CN 115321790 B CN115321790 B CN 115321790B CN 202210934618 A CN202210934618 A CN 202210934618A CN 115321790 B CN115321790 B CN 115321790B
Authority
CN
China
Prior art keywords
connecting plate
plate
sliding
feeder
tft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210934618.XA
Other languages
Chinese (zh)
Other versions
CN115321790A (en
Inventor
刘强
吴郑敏
江可
赵荣
姚慧慧
宋月
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Irico Hefei LCD Glass Co Ltd
Original Assignee
Irico Hefei LCD Glass Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Irico Hefei LCD Glass Co Ltd filed Critical Irico Hefei LCD Glass Co Ltd
Priority to CN202210934618.XA priority Critical patent/CN115321790B/en
Publication of CN115321790A publication Critical patent/CN115321790A/en
Application granted granted Critical
Publication of CN115321790B publication Critical patent/CN115321790B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B3/00Charging the melting furnaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74Feeding, transfer, or discharging devices of particular kinds or types
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B1/00Devices for securing together, or preventing relative movement between, constructional elements or machine parts
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving the yield, e-g- reduction of reject rates

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Abstract

The invention discloses a connecting and fixing device for a TFT feeder and an intermediate bin, which comprises the intermediate bin, a connecting cloth cover and a feeding bin cover plate which are sequentially communicated from top to bottom; the front end and the rear end of the intermediate storage bin are respectively provided with a connecting mechanism in a matching way; the connecting mechanism comprises a first connecting plate and a second connecting plate which are connected in a sliding mode, a first sliding groove matched with the second connecting plate is formed in the front side face of the first connecting plate, and the second connecting plate is installed in the first sliding groove in a sliding mode. The invention provides a connecting and fixing device for a TFT feeder and an intermediate bin, which can adjust the position of a cover plate of the feeder bin through the arrangement of a connecting mechanism, is suitable for being connected with a new feeder, and achieves the purpose of fitting and sealing, thereby preventing the problem of material leakage and agglomeration.

Description

Be used for TFT feeder to connect fixing device with intermediate bin
Technical Field
The invention belongs to the technical field of liquid crystal glass substrate processing and manufacturing, and particularly relates to a connecting and fixing device for a TFT feeder and an intermediate bin.
Background
The stability of tank furnace temperature is one of the quality and production stability main factors in TFT liquid crystal glass production process, the stability of feeding is one of factors which have great influence on the stability control of the tank furnace in TFT liquid crystal glass production and manufacturing process, the stability of stable feeding of the tank furnace temperature is ensured to be of great importance, the existing feeding bin is connected with the middle bin by flexible connection, the production of TFT substrate glass has high requirements on the stability of the tank furnace, the feeding machine needs to be replaced regularly in a certain period in the production process due to abrasion and other reasons of the feeding machine, the vertical projection position of the feeding bin is often offset front and back in the process of replacing the feeding machine, the feeding machine is not attached to a bin cover plate, the mixing material is easy to leak, the mixing material is agglomerated, the feeding of the mixing material is not smooth, and the like. The caking of the mixture and unsmooth discharging of the mixture can cause fluctuation of the temperature and the liquid level of glass liquid in a tank furnace, thereby influencing the quality and the continuous production stability of TFT liquid crystal glass products.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, and provides a connecting and fixing device for a TFT feeder and an intermediate bin, wherein the position of a feeding bin cover plate can be adjusted through the arrangement of a connecting mechanism, and the connecting device is suitable for being connected with a new feeder, so that the purpose of attaching and sealing is achieved, and the problem of leakage and agglomeration is prevented.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
a connecting and fixing device for a TFT feeder and an intermediate bin comprises the intermediate bin, a connecting cloth cover and a feeding bin cover plate which are sequentially communicated from top to bottom;
the front end and the rear end of the intermediate storage bin are respectively provided with a connecting mechanism in a matching way;
the connecting mechanism comprises a first connecting plate and a second connecting plate which are connected in a sliding way, a first chute matched with the second connecting plate is formed in the front side surface of the first connecting plate, and the second connecting plate is arranged in the first chute in a sliding way;
the lower ends of the left side surface and the right side surface of the first connecting plate are respectively provided with a second threaded hole communicated with the first sliding groove, the second threaded holes are internally and in threaded connection with first fastening bolts, and the first fastening bolts pass through one ends of the second threaded holes to be in close contact with the second connecting plate;
a third connecting plate is fixedly arranged at the rear end of the lower bottom surface of the second connecting plate, and an adjusting mechanism is fixedly arranged at the lower bottom surface of the third connecting plate;
the adjusting mechanism comprises a first mounting plate and a second mounting plate which are connected in a sliding manner from bottom to top, the rear end of the top surface of the second mounting plate is fixedly connected with the lower bottom surface of the third connecting plate, a connecting sliding block is fixedly arranged in the center of the top surface of the first mounting plate, a second sliding groove matched with the connecting sliding block is formed in the top surface of the second mounting plate, an elliptical mounting column is fixedly arranged in the second sliding groove, an elliptical mounting hole matched with the elliptical mounting column is formed in the center of the right side surface of the connecting sliding block, and the connecting sliding block is slidably arranged outside the elliptical mounting column;
the top surface of the connecting sliding block is provided with a third threaded hole, a second fastening bolt is connected in the third threaded hole in a threaded manner, and the second fastening bolt passes through one end of the third threaded hole to be in close contact with the outside of the elliptical mounting column;
the middle of the front side surface of the first mounting plate is provided with a sliding groove, a sliding plate is arranged in the sliding groove in a sliding mode, and the rear side surface of the sliding plate is fixedly connected with a feeding bin cover plate.
Further, two symmetrically-arranged first threaded holes are formed in the upper end of the front side surface of the first connecting plate, first bolts are connected in the first threaded holes in a threaded mode, and thread grooves matched with the first bolts are formed in the front side surface and the rear side surface of the middle storage bin.
Further, the left side surface and the right side surface of the second connecting plate are friction surfaces.
Further, an oval positioning rod is fixedly arranged at the top of the first chute, and a positioning long groove matched with the oval positioning rod is formed in the center of the top surface of the second connecting plate.
Further, a pulling column is fixedly arranged at the upper end of the front side surface of the second connecting plate.
Further, the outer surface of the elliptical mounting column is a friction surface.
Further, the centers of the left side surface and the right side surface of the first mounting plate are respectively provided with a fourth threaded hole, third fastening bolts are connected in the fourth threaded holes in a threaded mode, and the third fastening bolts penetrate through one ends of the fourth threaded holes to be in close contact with the sliding plate.
Further, the left side surface and the right side surface of the sliding plate are friction surfaces.
The beneficial effects of the invention are as follows:
the invention provides a connecting and fixing device for a TFT feeder and an intermediate bin, which can adjust the position of a cover plate of the feeder bin through the arrangement of a connecting mechanism, is suitable for being connected with a new feeder, and achieves the purpose of fitting and sealing, thereby preventing the problem of material leakage and agglomeration.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is an exploded view of a partial structure of the present invention;
FIG. 4 is an exploded view of a partial structure of the present invention;
FIG. 5 is a schematic view of a partial structure of the present invention;
FIG. 6 is a schematic view of a partial structure of the present invention;
FIG. 7 is an exploded view of a partial structure of the present invention;
fig. 8 is an exploded view of a partial structure of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The connecting and fixing device for the TFT feeder and the intermediate bin as shown in the figures 1 to 3 comprises the intermediate bin 1, a connecting cloth cover 2 and a feeding bin cover plate 3 which are sequentially communicated from top to bottom;
the front end and the rear end of the intermediate storage bin 1 are matched and provided with a connecting mechanism 4.
As shown in fig. 2 to 3, the connecting mechanism 4 comprises a first connecting plate 41 and a second connecting plate 42 which are connected in a sliding manner, a first sliding groove 411 matched with the second connecting plate 42 is formed in the front side surface of the first connecting plate 41, and the second connecting plate 42 is installed in the first sliding groove 411 in a sliding manner;
the upper end of the front side surface of the first connecting plate 41 is provided with two symmetrically arranged first threaded holes 415, first bolts 416 are connected in the first threaded holes 415 in a threaded manner, and the front side surface and the rear side surface of the middle storage bin 1 are respectively provided with a threaded groove 11 matched with the first bolts 416.
As shown in fig. 4, the lower ends of the left and right side surfaces of the first connecting plate 41 are respectively provided with a second threaded hole 412 communicated with the first sliding groove 411, the second threaded holes 412 are internally and screwed with first fastening bolts 413, and the first fastening bolts 413 pass through one ends of the second threaded holes 412 to be in close contact with the second connecting plate 42;
the left and right side surfaces of the second connecting plate 42 are friction surfaces;
an oval positioning rod 414 is fixedly arranged at the top of the first chute 411, and a positioning long groove 421 matched with the oval positioning rod 414 is formed in the center of the top surface of the second connecting plate 42;
a pulling column 422 is fixedly arranged at the upper end of the front side surface of the second connecting plate 42.
As shown in fig. 5 to 7, a third connecting plate 423 is fixedly arranged at the rear end of the lower bottom surface of the second connecting plate 42, and an adjusting mechanism 5 is fixedly arranged at the lower bottom surface of the third connecting plate 423;
the adjusting mechanism 5 comprises a first mounting plate 51 and a second mounting plate 52 which are connected in a sliding manner from bottom to top, the rear end of the top surface of the second mounting plate 52 is fixedly connected with the lower bottom surface of a third connecting plate 423, a connecting sliding block 511 is fixedly arranged in the center of the top surface of the first mounting plate 51, a second sliding chute 521 matched with the connecting sliding block 511 is formed in the top surface of the second mounting plate 52, an elliptical mounting column 522 is fixedly arranged in the second sliding chute 521, an elliptical mounting hole 512 matched with the elliptical mounting column 522 is formed in the center of the right side surface of the connecting sliding block 511, and the connecting sliding block 511 is slidably arranged outside the elliptical mounting column 522;
the top surface of the connecting sliding block 511 is provided with a third threaded hole 513, a second fastening bolt 514 is connected in the third threaded hole 513 in a threaded manner, and the second fastening bolt 514 passes through one end of the third threaded hole 513 to be in close contact with the outside of the elliptical mounting column 522;
the outer surface of the elliptical mounting post 522 is a friction surface.
As shown in fig. 8, a sliding groove 515 is formed in the center of the front side surface of the first mounting plate 51, a sliding plate 516 is slidably mounted in the sliding groove 515, and the rear side surface of the sliding plate 516 is fixedly connected with the feeding bin cover plate 3;
the centers of the left side surface and the right side surface of the first mounting plate 51 are respectively provided with a fourth threaded hole 517, a third fastening bolt 518 is connected in the fourth threaded hole 517 in a threaded manner, and the third fastening bolt 518 passes through one end of the fourth threaded hole 517 to be in close contact with the sliding plate 516;
the left and right side surfaces of the sliding plate 516 are friction surfaces;
through this kind of setting, can be when changing throwing the storehouse, adjust the position of throwing the storehouse apron 3, will throw the cooperation of storehouse apron 3 and place, wherein, connect through connecting the cloth cover 2 between middle feed bin 1 and the storehouse apron 3, connect the cloth cover 2 for soft connection, can carry out the deformation of small tracts of land and use, make things convenient for throwing the storehouse apron 3 to carry out the position control of small tracts of land and use.
In the in-service use, through the setting of coupling mechanism 4, the position of adjustable throwing feed bin apron 3 is suitable for being connected with new batch feeder, reaches the purpose of laminating sealedly to prevent the problem of leaking the material caking.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.

Claims (8)

1. Be used for TFT feeder and intermediate bin to connect fixing device, its characterized in that: comprises an intermediate bin (1), a connecting cloth cover (2) and a feeding bin cover plate (3) which are sequentially communicated from top to bottom;
the front end and the rear end of the intermediate storage bin (1) are respectively provided with a connecting mechanism (4) in a matching way;
the connecting mechanism (4) comprises a first connecting plate (41) and a second connecting plate (42) which are connected in a sliding way, a first sliding groove (411) matched with the second connecting plate (42) is formed in the front side surface of the first connecting plate (41), and the second connecting plate (42) is arranged in the first sliding groove (411) in a sliding way;
the lower ends of the left side surface and the right side surface of the first connecting plate (41) are respectively provided with a second threaded hole (412) communicated with the first sliding groove (411), the second threaded holes (412) are internally connected with first fastening bolts (413) in a threaded manner, and the first fastening bolts (413) penetrate through one ends of the second threaded holes (412) to be in close contact with the second connecting plate (42);
a third connecting plate (423) is fixedly arranged at the rear end of the lower bottom surface of the second connecting plate (42), and an adjusting mechanism (5) is fixedly arranged at the lower bottom surface of the third connecting plate (423);
the adjusting mechanism (5) comprises a first mounting plate (51) and a second mounting plate (52) which are connected in a sliding manner from bottom to top, the rear end of the top surface of the second mounting plate (52) is fixedly connected with the lower bottom surface of a third connecting plate (423), a connecting sliding block (511) is fixedly arranged in the center of the top surface of the first mounting plate (51), a second sliding groove (521) matched with the connecting sliding block (511) is formed in the top surface of the second mounting plate (52), an oval mounting column (522) is fixedly arranged in the second sliding groove (521), an oval mounting hole (512) matched with the oval mounting column (522) is formed in the center of the right side surface of the connecting sliding block (511), and the connecting sliding block (511) is slidably arranged outside the oval mounting column (522);
a third threaded hole (513) is formed in the top surface of the connecting sliding block (511), a second fastening bolt (514) is connected in the third threaded hole (513) in a threaded mode, and the second fastening bolt (514) passes through one end of the third threaded hole (513) to be in close contact with the outside of the elliptical mounting column (522);
the front side center of the first mounting plate (51) is provided with a sliding groove (515), a sliding plate (516) is arranged in the sliding groove (515) in a sliding mode, and the rear side of the sliding plate (516) is fixedly connected with the feeding bin cover plate (3).
2. The connection fixture for a TFT feeder and an intermediate bin of claim 1, wherein: the upper end of the front side surface of the first connecting plate (41) is provided with two symmetrically arranged first threaded holes (415), first bolts (416) are connected with the first threaded holes (415) in an internal threaded mode, and screw grooves (11) matched with the first bolts (416) are formed in the front side surface and the rear side surface of the middle storage bin (1).
3. The connection fixture for a TFT feeder and an intermediate bin of claim 1, wherein: the left side surface and the right side surface of the second connecting plate (42) are friction surfaces.
4. The connection fixture for a TFT feeder and an intermediate bin of claim 1, wherein: an oval positioning rod (414) is fixedly arranged at the top of the first sliding groove (411), and a positioning long groove (421) matched with the oval positioning rod (414) is formed in the center of the top surface of the second connecting plate (42).
5. The connection fixture for a TFT feeder and an intermediate bin of claim 1, wherein: the upper end of the front side surface of the second connecting plate (42) is fixedly provided with a pulling column (422).
6. The connection fixture for a TFT feeder and an intermediate bin of claim 1, wherein: the outer surface of the elliptical mounting post (522) is a friction surface.
7. The connection fixture for a TFT feeder and an intermediate bin of claim 1, wherein: the center of each of the left side surface and the right side surface of the first mounting plate (51) is provided with a fourth threaded hole (517), a third fastening bolt (518) is connected with the fourth threaded hole (517) in an internal thread mode, and one end of the third fastening bolt (518) penetrates through the fourth threaded hole (517) to be in close contact with the sliding plate (516).
8. The connection fixture for a TFT feeder and an intermediate bin of claim 1, wherein: the left and right side surfaces of the sliding plate (516) are friction surfaces.
CN202210934618.XA 2022-08-04 2022-08-04 Be used for TFT feeder to connect fixing device with intermediate bin Active CN115321790B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210934618.XA CN115321790B (en) 2022-08-04 2022-08-04 Be used for TFT feeder to connect fixing device with intermediate bin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210934618.XA CN115321790B (en) 2022-08-04 2022-08-04 Be used for TFT feeder to connect fixing device with intermediate bin

Publications (2)

Publication Number Publication Date
CN115321790A CN115321790A (en) 2022-11-11
CN115321790B true CN115321790B (en) 2023-08-01

Family

ID=83922035

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210934618.XA Active CN115321790B (en) 2022-08-04 2022-08-04 Be used for TFT feeder to connect fixing device with intermediate bin

Country Status (1)

Country Link
CN (1) CN115321790B (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3219209A (en) * 1962-06-18 1965-11-23 Libbey Owens Ford Glass Co Apparatus for delivering fusible material to a glass melting furnace
US4197109A (en) * 1978-11-20 1980-04-08 Frazier-Simplex, Inc. Doghouse and feeder enclosure for glass furnace
CN207862157U (en) * 2017-11-28 2018-09-14 郑州旭飞光电科技有限公司 Feeding device and glass furnace feeding system
CN210711242U (en) * 2019-08-30 2020-06-09 简阳市华通玻璃制品有限公司 Feeding device for glass production line
CN210683573U (en) * 2019-10-10 2020-06-05 四川康宇电子基板科技有限公司 Novel kiln feeder seal structure
CN212334988U (en) * 2020-04-10 2021-01-12 彩虹集团有限公司 Continuous accurate feeding system of TFT liquid crystal glazing kiln
CN112723715B (en) * 2020-12-29 2021-11-02 彩虹(合肥)液晶玻璃有限公司 Be used for TFT-LCD batch two-stage uniform feeding device
CN215478442U (en) * 2021-07-07 2022-01-11 安徽汉柔光电科技有限公司 Feeding device for ultra-thin flexible glass by overflow method

Also Published As

Publication number Publication date
CN115321790A (en) 2022-11-11

Similar Documents

Publication Publication Date Title
CN115321790B (en) Be used for TFT feeder to connect fixing device with intermediate bin
CN108843836A (en) The faucet of one koji feet connecting structure and the application structure
CN113594651A (en) Capacitive coupling structure of cavity filter and communication equipment
CN209414750U (en) It is a kind of for feeding back the dibit ultramagnifier of valve switch position
CN211056253U (en) Automatic feeding device for rare earth metal production
CN208778796U (en) The faucet of one koji feet connecting structure and the application structure
CN211024132U (en) Tablet production is with capsule machine
CN209509839U (en) Heavily loaded coating machine hinge arrangement
CN208622923U (en) A kind of media ceramic tuning disk
CN208282761U (en) Soldering tip solder joint depth of parallelism device for fast detecting
CN208814010U (en) A kind of molding machine material guide device
CN208925368U (en) A kind of multi-function computer workstation for storing computer display screen
CN217995894U (en) Adjustable receiving device
CN115417579B (en) Positioning and fixing device of batch feeder
CN109304343A (en) A kind of guide wheel bracket and glass cleaning machine
CN112729494B (en) Metering device for 3D printer raw material production
CN216894880U (en) Metering pump for fiber production with leak protection structure
CN207921700U (en) A kind of attachment device for monitor
CN215898316U (en) Glass substrate circulative cooling temperature control water feeding structure
CN213234780U (en) Door plant connecting piece structure that can stretch out and draw back
CN208502501U (en) A kind of self-return adjustment structure of Pinless hinge with guide member
CN221252714U (en) Feeding device
CN215750656U (en) Feeding device for PC single-screw extruder
CN217599252U (en) Tank cover connecting piece for nitrogen cooling tank
CN209687640U (en) A kind of positive injector injection starting pressure adjustment mechanism

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant