CN111691240A - Manufacturing and processing technology of degradable environment-friendly paper pulp molded lunch box - Google Patents

Manufacturing and processing technology of degradable environment-friendly paper pulp molded lunch box Download PDF

Info

Publication number
CN111691240A
CN111691240A CN202010549123.6A CN202010549123A CN111691240A CN 111691240 A CN111691240 A CN 111691240A CN 202010549123 A CN202010549123 A CN 202010549123A CN 111691240 A CN111691240 A CN 111691240A
Authority
CN
China
Prior art keywords
fixedly connected
lunch box
manufacturing
paper pulp
base
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.)
Withdrawn
Application number
CN202010549123.6A
Other languages
Chinese (zh)
Inventor
王清伟
苏美琳
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN202010549123.6A priority Critical patent/CN111691240A/en
Publication of CN111691240A publication Critical patent/CN111691240A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21JFIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J3/00Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
    • D21J3/10Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds of hollow bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Making Paper Articles (AREA)

Abstract

The invention relates to the field of lunch box processing, in particular to a process for manufacturing a degradable environment-friendly paper pulp molded lunch box, which uses a manufacturing and processing device, the manufacturing and processing device comprises a base and a lifting platform, a feed trough is arranged on the base, a plurality of circular-arc-shaped-structure bulges are symmetrically and fixedly connected in the feed trough, connecting frames are symmetrically and fixedly connected to two sides of the base, rollers are symmetrically inserted between the connecting frames and positioned at two ends of the base, a conveying film is sleeved on the rollers, the top of the conveying film is higher than that of the feed trough, a fixing frame with a door-shaped structure is fixedly connected to the top of the connecting frame, the lifting platform is inserted in the fixing frame and positioned above the feed trough, lifting grooves are symmetrically arranged at two sides of the fixing frame, sliding blocks are inserted in the lifting grooves, and one end of each sliding block is fixedly. The invention can improve the processing efficiency of the molded lunch box, and simultaneously avoids the damage of the molded lunch box after molding due to adhesion, thereby being suitable for popularization.

Description

Manufacturing and processing technology of degradable environment-friendly paper pulp molded lunch box
Technical Field
The invention relates to the field of lunch box processing, in particular to a manufacturing and processing technology of a degradable environment-friendly paper pulp molded lunch box.
Background
The molded lunch box is a disposable lunch box and is generally made of degradable environment-friendly paper pulp, the paper pulp molded lunch box has various types, and because the molded lunch box is made of hamburger paper pulp, the molded lunch box is generally poor in waterproofness and easy to soften when meeting water, the molded lunch box is basically used for containing some dry articles, such as a molded lunch box for placing eggs.
When the molded lunch box is processed, the environment-friendly pulp needs to be injected into the mold, and the environment-friendly pulp is molded by using the mold, but the mode usually needs manual demolding, is not favorable for batch production, and easily causes the molded lunch box after molding to be stuck on the mold during demolding, thereby causing damage to the molded lunch box and influencing the use of the molded lunch box.
Disclosure of Invention
In order to solve the problems, the invention provides a manufacturing and processing technology of a degradable environment-friendly paper pulp molded lunch box, which can automatically realize demoulding and conveying after the molded lunch box is formed, improve the processing efficiency of the molded lunch box, simultaneously avoid the molded lunch box from being stuck on a mould, and synchronously clean the mould during demoulding.
In order to achieve the purpose, the invention adopts the following technical scheme that a manufacturing and processing technology of the degradable environment-friendly paper pulp molded lunch box uses a manufacturing and processing device, the manufacturing and processing device comprises a base and a lifting platform, and the specific method for manufacturing and processing the molded lunch box by adopting the manufacturing and processing device comprises the following steps:
s1, equipment checking: before the manufacturing and processing device is started to manufacture and process the molded lunch box, the operation of the equipment is checked;
s2, injecting pulp: operating the lifting table in the manufacturing processing device checked in the step S1 to descend, pressing the base, and injecting the processed environment-friendly paper pulp into the pressed base;
s3, press-forming: operating the lifting platform to continuously press down, and extruding the environment-friendly paper pulp together with the base injected with the environment-friendly paper pulp in the step S2 to form the molded lunch box;
s4, demolding and collecting: after the extruded molded lunch box in the step S3 is cooled and formed, operating the lifting platform to lift up, so that the formed molded lunch box is automatically demoulded and conveyed and then uniformly stacked;
the base is provided with a discharging groove, a plurality of circular arc-shaped structure bulges are symmetrically and fixedly connected in the discharging groove, connecting frames are symmetrically and fixedly connected to two sides of the base, idler wheels are symmetrically inserted between the connecting frames and positioned at two ends of the base, a conveying thin film is sleeved on the idler wheels, and the top of the conveying thin film is higher than that of the discharging groove;
the top of the connecting frame is fixedly connected with a fixing frame with a door-shaped structure, the lifting table is inserted into the fixing frame and positioned above the material accommodating groove, lifting grooves are symmetrically formed in two sides of the fixing frame, sliding blocks are inserted into the lifting grooves, one ends of the sliding blocks are fixedly connected to two sides of the lifting table, the lifting table is of a hollow structure, and the bottom of the lifting table is of an open structure;
the lifting platform in-line be equipped with the clamp plate, a plurality of recesses have been seted up to the bottom symmetry of clamp plate, the recess all with protruding symmetry sets up, fixedly connected with pneumatic cylinder in the lifting platform, the output fixed connection of pneumatic cylinder is in the top of clamp plate, the top of lifting platform is located the thread groove has been seted up in the outside of pneumatic cylinder, fixedly connected with motor in the mount, the output fixedly connected with screw sleeve of motor, screw sleeve with thread groove symmetry sets up and threaded connection.
As a preferred technical scheme of the invention, a plurality of spring rods are symmetrically inserted in the pressing plate, and one ends of the spring rods penetrate through the grooves and are fixedly connected with limiting plates with arc structures.
As a preferable technical scheme of the invention, one end of each roller penetrates through the connecting frame and is fixedly connected with a driven gear, one side of the connecting frame is fixedly connected with a second motor, the output end of the second motor is inserted on the connecting frame, the output end of the second motor is fixedly connected with a transmission gear, and a gear belt is sleeved between the transmission gear and the driven gear.
As a preferable technical scheme of the invention, the bottom of the connecting frame is symmetrically and fixedly connected with clamping plates, the conveying film is inserted between the clamping plates, one sides of the clamping plates corresponding to each other are fixedly connected with a scraping plate and a spongy cushion, and the scraping plates and the spongy cushions are both contacted with the conveying film.
As a preferable technical scheme of the invention, a feeding pipe is inserted into the top of the lifting platform, and one end of the feeding pipe penetrates through the lifting platform and the pressing plate.
As a preferred technical scheme, movable baffles are symmetrically inserted at two ends of the discharging groove, one side of each movable baffle is fixedly connected with a first tension spring, one end, far away from the movable baffle, of each first tension spring is fixedly connected to the base, two sides of each movable baffle are hinged with scraping pieces, a second tension spring is fixedly connected between the scraping pieces, and the scraping pieces are all in contact with the inner wall of the discharging groove.
The invention has the beneficial effects that:
1. the invention can automatically realize demoulding and conveying after the moulded lunch box is formed, improves the processing efficiency of the moulded lunch box, simultaneously avoids the moulded lunch box from being stuck on the mould, and can synchronously realize cleaning of the mould during demoulding.
2. The invention designs the discharging groove, the discharging groove can press the transmission film into the discharging groove in cooperation with the lifting of the lifting platform to wrap the inside of the discharging groove, the extrusion molding of the molded lunch box can be realized in cooperation with the pressing plate, after the re-molded lunch box is molded, the lifting platform is lifted, and under the tension and the transmission effect of the transmission film, the molded lunch box can be driven to realize automatic demolding and conveying.
3. The scraper is designed, the scraper is driven by the movable baffle to lift, the scraper can automatically lift to scrape the inner wall of the discharging groove when the molded lunch box is demoulded, and meanwhile, the demoulding of the molded lunch box can be assisted, so that the molded lunch box is prevented from being stuck on the inner wall of the discharging groove.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic process flow diagram of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic cross-sectional structural view of the present invention;
FIG. 4 is a schematic cross-sectional view of the base of the present invention;
FIG. 5 is a schematic top view of the base of the present invention;
FIG. 6 is a schematic cross-sectional view of the lift table of the present invention;
FIG. 7 is a cross-sectional structural schematic of the platen of the present invention;
fig. 8 is a sectional structural view of the splint of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 8, a manufacturing and processing process of a degradable environment-friendly paper pulp molded lunch box uses a manufacturing and processing device, the manufacturing and processing device comprises a base 1 and a lifting platform 2, and the specific method for manufacturing and processing the molded lunch box by adopting the manufacturing and processing device is as follows:
s1, equipment checking: before the manufacturing and processing device is started to manufacture and process the molded lunch box, the operation of the equipment is checked;
s2, injecting pulp: the lifting platform 2 in the manufacturing processing device which is checked in the step S1 is operated to descend, the base 1 is pressed, and the processed environment-friendly paper pulp is injected into the pressed base 1;
s3, press-forming: operating the lifting platform 2 to continuously press down, and extruding the environment-friendly paper pulp together with the base 1 injected with the environment-friendly paper pulp in the S2 to form the molded lunch box;
s4, demolding and collecting: after the molded lunch box extruded in the step S3 is cooled and formed, the lifting platform 2 is operated to lift up, so that the formed molded lunch box is automatically demoulded and conveyed and then uniformly stacked;
seted up the blowing groove 11 on base 1, the arch 12 of a plurality of circular arc type structures of symmetry fixedly connected with in the blowing groove 11, base 1's bilateral symmetry fixedly connected with link 13, the equal symmetry in both ends that lies in base 1 between link 13 is inserted and is equipped with gyro wheel 14, the cover is equipped with conveying film 15 on the gyro wheel 14, conveying film 15's top all is higher than the top of blowing groove 11, base 1 is used for fixing, blowing groove 11 is used for injecting into environmental protection paper pulp, link 13 is used for connecting and supporting roller 14, gyro wheel 14 drives conveying film 15 and rotates, realize carrying.
The top of the connecting frame 13 is fixedly connected with a fixing frame 16 with a door-shaped structure, the lifting platform 2 is inserted into the fixing frame 16 and is positioned above the material accommodating groove 11, the two sides of the fixing frame 16 are symmetrically provided with lifting grooves 17, the lifting grooves 17 are internally provided with sliding blocks 18, one ends of the sliding blocks 18 are fixedly connected with the two sides of the lifting platform 2, the lifting platform 2 is of a hollow structure, and the bottom of the lifting platform 2 is of an open structure. The fixed frame 16 is used for supporting and connecting the lifting platform 2, the lifting platform 2 can press the transmission film 15 in the material accommodating groove 11 through lifting, and the lifting groove 17 and the sliding block 18 are used for realizing the lifting of the lifting platform 2.
2 interpolations of elevating platform are equipped with clamp plate 21, a plurality of recesses 22 have been seted up to the bottom symmetry of clamp plate 21, recess 22 all sets up with protruding 12 symmetry, fixedly connected with pneumatic cylinder 23 in elevating platform 2, the output fixed connection of pneumatic cylinder 23 is at the top of clamp plate 21, the thread groove 24 has been seted up at the top of elevating platform 2 and the outside that is located pneumatic cylinder 23, No. one motor 25 of fixedly connected with in the mount 16, No. one motor 25's output fixedly connected with threaded sleeve 26, threaded sleeve 26 sets up and threaded connection with thread groove 24 symmetry, protruding 12 of recess 22 cooperation on the clamp plate 21 is used for realizing the extrusion molding of moulding cutlery box, pneumatic cylinder 23 is used for step-up and step-down board 21, No. one motor 25 drives threaded sleeve 26 rotatory, threaded sleeve 26 drives elevating platform 2 through 24 threaded connection with the.
A plurality of spring rods 3 are symmetrically inserted in the pressing plate 21, one ends of the spring rods 3 penetrate through the limiting plates 31 of the grooves 22 and the arc structures, the spring rods 3 are used for connecting the limiting plates 31 and achieving stretching of the limiting plates 31, and when the pressing plate 21 can rise again, the limiting plates 31 can continuously press molded lunch boxes after forming in the material discharge groove 11, so that demoulding of the pressing plate 21 is achieved.
One end of the roller 14 penetrates through the connecting frame 13 and is fixedly connected with the driven gear 141, one side of the connecting frame 13 is fixedly connected with a second motor 142, the output end of the second motor 142 is inserted on the connecting frame 13, the output end of the second motor 142 is fixedly connected with a transmission gear 143, a gear belt 144 is sleeved between the transmission gear 143 and the driven gear 141, and the second motor 142 and the transmission gear 143 drive the driven gear 141 and the roller 14 to rotate through the gear belt 144.
The bottom symmetry fixedly connected with splint 4 of link 13, conveying film 15 inserts and establishes between splint 4, the equal fixedly connected with scraper blade 41 and the foam-rubber cushion 42 in the corresponding one side of splint 4, and scraper blade 41 and foam-rubber cushion 42 all contact with conveying film 15, and scraper blade 41 and the foam-rubber cushion 4 on splint 4 can clear up conveying film 15 when conveying film 15.
The top of elevating platform 2 is inserted and is equipped with filling tube 5, and the one end of filling tube 5 runs through elevating platform 2 and clamp plate 21, and filling tube 5 is used for adding environmental protection paper pulp.
The both ends symmetry of storing trough 11 is inserted and is equipped with adjustable fender 6, the equal fixedly connected with extension spring 61 in one side of adjustable fender 6, the equal fixed connection of one end that adjustable fender 6 was kept away from to extension spring 61 is on base 1, adjustable fender 6's both sides all articulate there is the doctor-bar 62, equal fixedly connected with extension spring 63 No. two between the doctor-bar 62, doctor-bar 62 all contacts with storing trough 11's inner wall, it is perpendicular when elevating platform 2 descends again that adjustable fender 6 cooperation extension spring 61 can realize, drive doctor-bar 62 and descend to storing trough 11's bottom, when elevating platform 2 rises, adjustable fender 6 resets, drive doctor-bar 62 and rise, strike off the inner wall to storing trough 11 simultaneously.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a degradable environmental protection paper pulp molding cutlery box preparation processing technology, it has used a preparation processingequipment, and this preparation processingequipment includes base (1) and elevating platform (2), its characterized in that: the specific method for manufacturing and processing the molded lunch box by adopting the manufacturing and processing device comprises the following steps:
s1, equipment checking: before the manufacturing and processing device is started to manufacture and process the molded lunch box, the operation of the equipment is checked;
s2, injecting pulp: the lifting platform (2) in the manufacturing processing device which is checked in the step S1 is operated to descend, the base (1) is pressed, and the processed environment-friendly paper pulp is injected into the pressed base (1);
s3, press-forming: operating the lifting platform (2) to continuously press down, and extruding the environment-friendly paper pulp together with the base (1) which is injected with the environment-friendly paper pulp in the S2 to form the molded lunch box;
s4, demolding and collecting: after the extruded molded lunch box in the step S3 is cooled and formed, the lifting platform (2) is operated to lift up, so that the formed molded lunch box is automatically demoulded and conveyed and then is uniformly stacked;
the automatic feeding device is characterized in that a discharging groove (11) is formed in the base (1), a plurality of circular arc-shaped structure protrusions (12) are symmetrically and fixedly connected in the discharging groove (11), connecting frames (13) are symmetrically and fixedly connected to the two sides of the base (1), idler wheels (14) are symmetrically inserted between the connecting frames (13) and located at the two ends of the base (1), a conveying thin film (15) is sleeved on the idler wheels (14), and the top of the conveying thin film (15) is higher than the top of the discharging groove (11);
the top of the connecting frame (13) is fixedly connected with a fixing frame (16) with a door-shaped structure, the lifting table (2) is inserted into the fixing frame (16) and is positioned above the material discharge groove (11), lifting grooves (17) are symmetrically formed in two sides of the fixing frame (16), sliding blocks (18) are inserted into the lifting grooves (17), one ends of the sliding blocks (18) are fixedly connected to two sides of the lifting table (2), the lifting table (2) is of a hollow structure, and the bottom of the lifting table (2) is of an open structure;
elevating platform (2) interpolation be equipped with clamp plate (21), a plurality of recesses (22) have been seted up to the bottom symmetry of clamp plate (21), recess (22) all with protruding (12) symmetry sets up, fixedly connected with pneumatic cylinder (23) in elevating platform (2), the output fixed connection of pneumatic cylinder (23) is in the top of clamp plate (21), the top of elevating platform (2) is located thread groove (24) have been seted up in the outside of pneumatic cylinder (23), No. one motor (25) of fixedly connected with in mount (16), the output fixedly connected with screw sleeve (26) of No. one motor (25), screw sleeve (26) with thread groove (24) symmetry sets up and threaded connection.
2. The manufacturing and processing technology of the degradable environment-friendly paper pulp molding lunch box according to claim 1, characterized in that: the pressing plate (21) is internally symmetrically inserted with a plurality of spring rods (3), and one ends of the spring rods (3) penetrate through the limiting plates (31) of the grooves (22) and fixedly connected with arc-shaped structures.
3. The manufacturing and processing technology of the degradable environment-friendly paper pulp molding lunch box according to claim 1, characterized in that: the one end of gyro wheel (14) all run through link (13) and fixedly connected with driven gear (141), No. two motor (142) of one side fixedly connected with of link (13), the output of No. two motor (142) is inserted and is established on link (13), fixedly connected with drive gear (143) on the output of No. two motor (142), drive gear (143) with the cover is equipped with gear belt (144) between driven gear (141).
4. The manufacturing and processing technology of the degradable environment-friendly paper pulp molding lunch box according to claim 1, characterized in that: the bottom symmetry fixedly connected with splint (4) of link (13), conveying film (15) are inserted and are established between splint (4), the equal fixedly connected with scraper blade (41) of one side and foam-rubber cushion (42) that splint (4) are corresponding, scraper blade (41) with foam-rubber cushion (42) all with conveying film (15) contact.
5. The manufacturing and processing technology of the degradable environment-friendly paper pulp molding lunch box according to claim 1, characterized in that: the top of elevating platform (2) insert and be equipped with filling tube (5), the one end of filling tube (5) runs through elevating platform (2) with clamp plate (21).
6. The manufacturing and processing technology of the degradable environment-friendly paper pulp molding lunch box according to claim 1, characterized in that: the both ends symmetry of blowing groove (11) insert and be equipped with adjustable fender (6), the equal fixedly connected with extension spring (61) in one side of adjustable fender (6), No. one extension spring (61) are kept away from the equal fixed connection of one end of adjustable fender (6) is in on base (1), the both sides of adjustable fender (6) all articulate has doctor-bar (62), equal fixedly connected with extension spring (63) No. two between doctor-bar (62), doctor-bar (62) all with the inner wall of blowing groove (11) contacts.
CN202010549123.6A 2020-06-16 2020-06-16 Manufacturing and processing technology of degradable environment-friendly paper pulp molded lunch box Withdrawn CN111691240A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010549123.6A CN111691240A (en) 2020-06-16 2020-06-16 Manufacturing and processing technology of degradable environment-friendly paper pulp molded lunch box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010549123.6A CN111691240A (en) 2020-06-16 2020-06-16 Manufacturing and processing technology of degradable environment-friendly paper pulp molded lunch box

Publications (1)

Publication Number Publication Date
CN111691240A true CN111691240A (en) 2020-09-22

Family

ID=72481481

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010549123.6A Withdrawn CN111691240A (en) 2020-06-16 2020-06-16 Manufacturing and processing technology of degradable environment-friendly paper pulp molded lunch box

Country Status (1)

Country Link
CN (1) CN111691240A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112853820A (en) * 2020-12-17 2021-05-28 江苏沛阳环保设备制造有限公司 Degradable lunch box forming equipment and forming method thereof
CN113123176A (en) * 2021-04-16 2021-07-16 曾秦 Degradable paper pulp molding environmental protection cutlery box automatic processing system
CN113957751A (en) * 2021-11-08 2022-01-21 艾迪孚贝(重庆)科技有限公司 Paper-plastic mould with spraying and hot-press shaping functions

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112853820A (en) * 2020-12-17 2021-05-28 江苏沛阳环保设备制造有限公司 Degradable lunch box forming equipment and forming method thereof
CN113123176A (en) * 2021-04-16 2021-07-16 曾秦 Degradable paper pulp molding environmental protection cutlery box automatic processing system
CN113123176B (en) * 2021-04-16 2022-08-26 鹤山市柏华纸制品有限公司 Degradable paper pulp molding environmental protection cutlery box automatic processing system
CN113957751A (en) * 2021-11-08 2022-01-21 艾迪孚贝(重庆)科技有限公司 Paper-plastic mould with spraying and hot-press shaping functions
CN113957751B (en) * 2021-11-08 2023-10-13 艾迪孚贝(重庆)科技有限公司 Paper mould with spraying and hot-press shaping functions

Similar Documents

Publication Publication Date Title
CN111691240A (en) Manufacturing and processing technology of degradable environment-friendly paper pulp molded lunch box
CN111376371B (en) Suppression device is used in high strength ceramic manufacture convenient to exhaust
CN111546556B (en) Organic silica gel product forming processing technology
CN216442893U (en) Mold ejection device
CN217968017U (en) High-efficient type EVA foaming make-up machine
CN113524522B (en) Porous rubber spare production vulcanization mould utensil
CN217184682U (en) Special-shaped candy mold convenient for demolding
CN212147465U (en) Heating extrusion equipment for rubber accessories of shoes
CN211763217U (en) Gateway equipment lamp baffle mould ejection mechanism
CN111716658A (en) Ejecting demoulding structure of plastic mould for light part
CN220897845U (en) Tea cake pressing device
CN217169463U (en) Product taking-out device for injection molding machine
CN111676738A (en) Food paper-plastic packaging box manufacturing and forming die
CN218232960U (en) Reciprocating type forming machine for pulp molding production
CN215472637U (en) Plastic bottle injection molding equipment
CN217752637U (en) Injection molding device for implanting connector terminal
CN217050159U (en) Sugar block preparation shaping conveyor
CN218314706U (en) Mold driving mechanism for vulcanizing machine
CN220995217U (en) Foam box extrusion device
CN216068481U (en) Automatic injection mold of portable panel
CN217454881U (en) Automatic bagging machine of blowing bottle with dust removal function
CN220242289U (en) Demoulding mechanism for injection molding machine
CN220786291U (en) Automatic box filling machine for injection molding sheet parts
CN214395018U (en) Plastic mold with ejection structure
CN220261732U (en) Preforming device

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
WW01 Invention patent application withdrawn after publication

Application publication date: 20200922

WW01 Invention patent application withdrawn after publication