CN112173791A - Quick auto-change over device of supplementary installation of film rolling - Google Patents
Quick auto-change over device of supplementary installation of film rolling Download PDFInfo
- Publication number
- CN112173791A CN112173791A CN202011053474.4A CN202011053474A CN112173791A CN 112173791 A CN112173791 A CN 112173791A CN 202011053474 A CN202011053474 A CN 202011053474A CN 112173791 A CN112173791 A CN 112173791A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- block
- spring
- coil
- reset
- 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- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/02—Supporting web roll
- B65H18/021—Multiple web roll supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/175—Plastic
Landscapes
- Winding Of Webs (AREA)
Abstract
The invention relates to the technical field of film rolling quick switching, and discloses a film rolling auxiliary installation quick switching device, which comprises a driving shaft, the outer part of the driving shaft is fixedly connected with a connecting block, the top of the connecting block is fixedly connected with a pressure mechanism, the top of the pressure mechanism is fixedly connected with a fastening mechanism, the outer part of the fastening mechanism is fixedly connected with a shell, the rotating screw rotates clockwise to drive the rotating coil to rotate and cut the magnetic induction line in the magnetic plate to generate current, and finally the electrified coil generates magnetism, further compressing the limit spring to drive the limit block to descend, the limit block descends to enable the stop block to move towards the direction of the stop spring, when the rotating screw stops rotating, the current is not generated any more, the electrified coil loses magnetism, the limiting spring rebounds to drive the limiting block to ascend, and the limiting block is fastened, so that the effect of automatically replacing the winding roller with good winding effect to reduce the replacement waiting time is achieved.
Description
Technical Field
The invention relates to the technical field of film rolling quick switching, in particular to a film rolling auxiliary installation quick switching device.
Background
With the development of science and technology, films are widely applied to daily life of people, the production process of the films is various, and the films need to be rolled after the production is completed so as to facilitate subsequent processing and transportation.
Present rolling equipment once only can install a wind-up roll, this just has leaded to dismantling the good wind-up roll of rolling earlier and just can continue to operate the rolling after changing after the rolling is accomplished, this in-process need consume a large amount of time, and film production facility also need be shut down simultaneously when changing the wind-up roll, so this is the loss in output to the enterprise, and can adhere to tiny sharp-pointed debris such as some iron fillings on the wind-up roll sometimes, if not discover in time then can lead to the fact the destruction to the film at the in-process of rolling, thereby lead to cost loss.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a fast switching device for film rolling auxiliary installation is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a film rolling auxiliary installation quick switching device which has the advantages of automatically replacing a rolled winding roller to reduce the replacement waiting time and automatically cleaning the surface of the winding roller to prevent sharp and fine sundries from being existed on the winding roller, and solves the problems that the winding roller needs to be replaced by stopping the winding of a traditional winding machine and a winding roller surface cleaning mechanism is not needed.
(II) technical scheme
In order to achieve the purposes of reducing the replacement waiting time of the winding roller which is automatically replaced and wound and automatically cleaning the surface of the winding roller to prevent sharp and fine sundries on the winding roller, the invention provides the following technical scheme: a quick switching device for auxiliary installation of film rolling comprises a driving shaft, wherein a connecting block is fixedly connected to the outside of the driving shaft, a pressure mechanism is fixedly connected to the top of the connecting block, a fastening mechanism is fixedly connected to the top of the pressure mechanism, and a shell is fixedly connected to the outside of the fastening mechanism;
the pressure mechanism comprises a translation rod movably connected to the right side of the pressure block, a sliding block is movably connected to the bottom of the translation rod, a rotating screw rod is movably connected to the right side of the sliding block, a rotating coil is fixedly connected to the right side of the rotating screw rod, a magnetic plate is movably connected to the outer portion of the rotating coil, a reset plate is fixedly connected to the bottom of the pressure block, an extrusion block is fixedly connected to the bottom of the reset plate, a gas storage bin is movably connected to the bottom of the extrusion block, a reset rod is movably connected to the right side of the reset plate, and a reset spring is movably connected;
fastening device includes the circular telegram coil, circular telegram coil top swing joint has spacing spring, spacing spring top swing joint has magnet, magnet top swing joint has the stopper, stopper top swing joint has the dog, dog right side swing joint has the baffle, dog left side swing joint has the blocking spring.
Preferably, the bottom of the reset rod is fixedly connected with a moving block, and the moving block is fixedly connected with the left side of the reset spring.
Preferably, the electrified coil is connected with the rotating coil through a circuit, and the magnetism generated by the electrified coil is opposite to the magnetism at the bottom of the magnet when the rotating coil rotates clockwise.
Preferably, the top of the reset plate is fixedly connected with a spring, the top of the spring is fixedly connected with the pressure block, and the central axis of the reset plate is in the same straight line with the central axis of the spring and the central axis of the pressure block which are fixedly connected with the top of the reset plate.
Preferably, a threaded hole is formed in the sliding block, the sliding block is in threaded connection with the rotating screw rod, and the central axis of the sliding block and the central axis of the rotating screw rod are located on the same straight line.
Preferably, the air storage bin is movably connected with an air bag, and the air bag is fixedly connected with a pressure release valve.
(III) advantageous effects
Compared with the prior art, the invention provides a film rolling auxiliary installation quick switching device, which has the following beneficial effects:
1. this quick auto-change over device of supplementary installation of film rolling, exert a pressure to the dog through putting the wind-up roll at the dog top, make the dog rotate clockwise, when the dog receives pressure, the pressure piece also can receive this pressure, the pressure piece receives compression after the pressure and resets the board, it descends to drive the pressure piece when resetting the board and being compressed, the pressure piece descends and can apply a decurrent power for the translation pole, this power is transmitted to the slider through the translation pole, the slider receives the power and moves to the direction of keeping away from the pressure piece, and then drive the rotation screw rod and rotate clockwise, drive the rotation coil and rotate clockwise after rotating the rotation screw rod clockwise, thereby the magnetic induction line inside the cutting magnetic sheet produces the electric current, the electric current finally flows into the coil outside the electrified coil and produces magnetism, the magnetism of electrified coil is opposite sex and the magnetism of magnet bottom this moment, so magnet can receive a decurrent pulling force, and then compress spacing spring and drive the stopper decline, thereby the stopper descends and makes the dog move towards the direction of barrier spring, installer presses down this moment and makes the dog compress the barrier spring and reach spacingly, reach balanced when the pressure mechanism, rotate the screw rod stall so the electric current no longer produces, electrified coil loses magnetism this moment, spacing spring rebounds and drives the stopper and rise, its inclined plane and the surface contact of dog after the stopper rises, thereby fasten the dog, finally fix the wind-up roll in dog and baffle and prevent its operation in-process from droing, change and accomplish the back driving shaft and rotate and drive the connecting block and rotate, thereby transport fastening device to the rolling station, thereby transport the wind-up roll that does not roll to the rolling station, after the rolling is accomplished, the pressure mechanism, fastening device can become vertical downward gesture from its decurrent gesture, the gravity direction that the wind-up roll applyed to the pressure mechanism also becomes vertical gradually from the decurre The winding roller has the advantages that the winding roller has downward pressure, so that current is generated to enable the limiting block to descend, when the fastening mechanism moves to the completely vertical upward direction, the limiting block just descends completely, the spring is prevented from rebounding to pop out the stop block from the contact area with the limiting block, the winding roller which is wound can be taken out, and the effect that the winding roller which is wound is automatically replaced and the waiting time is reduced is achieved.
2. This quick auto-change over device of supplementary installation of film rolling, receive the compression board that resets after the pressure block through the pressure block, drive the extrusion block decline when the board that resets is compressed, the inside gasbag of extrusion block decline compression gas storage bin, make its internal pressure increase, the surface of wind-up roll is cleaned to final blowout air current, the edulcoration, the in-process that the extrusion block descends can drive the release link decline and then make the bottom of release link to the direction slip compression reset spring of principle gas storage bin, when the driving shaft rotates, the pressure direction of wind-up roll changes, thereby make the extrusion block reset and then drive the atmospheric pressure of the inside gasbag of gas storage bin and reduce, thereby absorb the outside air, thereby reached automatic clearance wind-up roll surface and prevented to have sharp-pointed tiny debris above that.
Drawings
FIG. 1 is a schematic view of the structure of a driving shaft according to the present invention;
FIG. 2 is a schematic view of a connecting block according to the present invention;
FIG. 3 is a schematic view of a pressure mechanism according to the present invention;
FIG. 4 is a schematic view of the fastening mechanism of the present invention;
fig. 5 is a schematic view of the magnet structure of the present invention.
In the figure: 1. a drive shaft; 2. connecting blocks; 3. a pressure mechanism; 4. a fastening mechanism; 5. a housing; 31. a pressure block; 32. a translation rod; 33. extruding the block; 34. a return spring; 35. a reset lever; 36. a gas storage bin; 37. a reset plate; 38. a slider; 39. rotating the screw; 310. a magnetic plate; 311. rotating the coil; 41. a limiting block; 42. a baffle plate; 43. a stopper; 44. a magnet; 45. a limiting spring; 46. an electrified coil; 47. blocking the spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a film rolling auxiliary mounting fast switching device comprises a driving shaft 1, a connecting block 2 is fixedly connected to the outside of the driving shaft 1, a pressure mechanism 3 is fixedly connected to the top of the connecting block 2, a fastening mechanism 4 is fixedly connected to the top of the pressure mechanism 3, and a shell 5 is fixedly connected to the outside of the fastening mechanism 4;
the pressure mechanism 3 comprises a translation rod 32 movably connected to the right side of a pressure block 31, a sliding block 38 movably connected to the bottom of the translation rod 32, a threaded hole formed in the sliding block 38, the sliding block 38 and a rotating screw 39 are in threaded connection, the central axis of the sliding block 38 and the central axis of the rotating screw 39 are in the same straight line, a rotating screw 39 is movably connected to the right side of the sliding block 38, a rotating coil 311 is fixedly connected to the right side of the rotating screw 39, a magnetic plate 310 is movably connected to the outside of the rotating coil 311, a reset plate 37 is fixedly connected to the bottom of the pressure block 31, a spring is fixedly connected to the top of the reset plate 37, the top of the spring is fixedly connected to the pressure block 31, the central axis of the reset plate 37 and the spring fixedly connected to the top of the reset plate are in the same straight line as the, an air bag is movably connected inside the air storage bin 36, a pressure release valve is fixedly connected inside the air bag, a reset rod 35 is movably connected to the right side of the reset plate 37, a moving block is fixedly connected to the bottom of the reset rod 35 and fixedly connected with the left side of the reset spring 34, and the reset spring 34 is movably connected to the bottom of the reset rod 35;
The working principle is as follows: this film rolling is assisted and is installed quick auto-change over device, put the wind-up roll at dog 43 top during the use, the dead weight of wind-up roll can exert a pressure to dog 43 at this moment, make dog 43 rotate clockwise, when dog 43 receives the pressure, pressure block 31 also can receive this pressure, pressure block 31 receives the pressure back compression reset plate 37, reset plate 37 drives pressure block 31 to descend when compressed, because the top and the pressure block 31 fixed connection of translation pole 32, so pressure block 31 descends and can exert a decurrent power to translation pole 32, this power transmits to slider 38 through translation pole 32, slider 38 receives the power back and moves away from the direction of pressure block 31, and then drive rotation screw 39 and rotate clockwise, drive rotation coil 311 after rotating screw 39 and rotating clockwise, thus cut the magnetic induction line in the magnetic slab 310 and produce the electric current, the electric current finally flows in the coil outside coil 46 and thus produces magnetism, at the moment, the magnetism of the electrified coil 46 is opposite to the magnetism at the bottom of the magnet 44, so the magnet 44 can receive a downward pulling force, further the limiting spring 45 is compressed to drive the limiting block 41 to descend, the limiting block 41 descends to enable the stop block 43 to move towards the direction of the blocking spring 47, at the moment, an installer presses the stop block 43 to compress the blocking spring 47 to achieve limiting, when the pressure mechanism 3 reaches balance, the rotating screw 39 stops rotating, so current is not generated, at the moment, the electrified coil 46 loses magnetism, the limiting spring 45 rebounds to drive the limiting block 41 to ascend, after the limiting block 41 ascends, the inclined plane of the limiting block 41 is contacted with the surface of the stop block 43, so that the stop block 43 is fastened, finally, the winding roller is fixed in the stop block 43 and the baffle 42 to prevent the winding roller from falling off in the operation process, after replacement is completed, the driving shaft 1 rotates to drive the connecting block, after the rolling is accomplished, pressure mechanism 3, fastening device 4 can become vertical decurrent gesture by its decurrent gesture, the in-process wind-up roll that the gesture changed also gradually becomes vertical decurrent pressure by decurrent pulling force for the gravity direction of pressure mechanism 3, thereby produce electric current and make stopper 41 descend, when fastening device 4 moved to complete vertical upwards, stopper 41 just descended completely this moment, and then stop spring 47 kick-backs and pop out stopper 43 with the contact zone of stopper 41, thereby can take out the wind-up roll that the rolling is good, thereby reached the good wind-up roll of automatic change rolling and reduced the effect of changing latency.
This quick auto-change over device of supplementary installation of film rolling, because the in-process of wind-up roll installation can produce pressure, pressure block 31 receives the compression after the pressure board 37 that resets, reset board 37 is driven extrusion block 33 and is fallen when compressed, extrusion block 33 descends and compresses the gasbag of 36 insides of gas storage bin, make its internal pressure increase, final blowout air current cleans the surface of wind-up roll, the edulcoration, in-process that extrusion block 33 descends can drive release link 35 and descend and make the bottom of release link 35 to the direction slip compression reset spring 34 of principle gas storage bin 36, when driving shaft 1 rotates, the pressure direction of wind-up roll changes, thereby make extrusion block 33 reset and then drive the atmospheric pressure of 36 inside gasbags of gas storage bin reduce, thereby absorb outside air, thereby reached automatic clearance wind-up roll surface and prevented to have sharp-pointed tiny debris above that.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a quick auto-change over device of supplementary installation of film rolling, includes driving shaft (1), its characterized in that: the external part of the driving shaft (1) is fixedly connected with a connecting block (2), the top of the connecting block (2) is fixedly connected with a pressure mechanism (3), the top of the pressure mechanism (3) is fixedly connected with a fastening mechanism (4), and the external part of the fastening mechanism (4) is fixedly connected with a shell (5);
the pressure mechanism (3) comprises a pressure block (31) with a translation rod (32) movably connected to the right side, a sliding block (38) movably connected to the bottom of the translation rod (32), a rotating screw (39) movably connected to the right side of the sliding block (38), a rotating coil (311) fixedly connected to the right side of the rotating screw (39), a magnetic plate (310) movably connected to the outside of the rotating coil (311), a reset plate (37) fixedly connected to the bottom of the pressure block (31), an extrusion block (33) fixedly connected to the bottom of the reset plate (37), an air storage bin (36) movably connected to the bottom of the extrusion block (33), a reset rod (35) movably connected to the right side of the reset plate (37), and a reset spring (34) movably connected to the bottom of the reset rod (35);
fastening device (4) are including circular telegram coil (46), circular telegram coil (46) top swing joint has spacing spring (45), spacing spring (45) top swing joint has magnet (44), magnet (44) top swing joint has stopper (41), stopper (41) top swing joint has dog (43), dog (43) right side swing joint has baffle (42), dog (43) left side swing joint has stop spring (47).
2. The film rolling auxiliary installation quick switching device of claim 1, wherein: the bottom of the reset rod (35) is fixedly connected with a moving block, and the moving block is fixedly connected with the left side of the reset spring (34).
3. The film rolling auxiliary installation quick switching device of claim 1, wherein: the electrified coil (46) is connected with the rotating coil (311) through a circuit, and when the rotating coil (311) rotates clockwise, the magnetism generated by the electrified coil (46) is opposite to the magnetism at the bottom of the magnet (44).
4. The film rolling auxiliary installation quick switching device of claim 1, wherein: the top of the reset plate (37) is fixedly connected with a spring, the top of the spring is fixedly connected with the pressure block (31), and the central axis of the reset plate (37) is in the same straight line with the central axes of the spring and the pressure block (31) which are fixedly connected with the top of the reset plate.
5. The film rolling auxiliary installation quick switching device of claim 1, wherein: threaded holes are formed in the sliding blocks (38), the sliding blocks (38) are in threaded connection with the rotating screw rods (39), and the central axes of the sliding blocks (38) and the central axes of the rotating screw rods (39) are located on the same straight line.
6. The film rolling auxiliary installation quick switching device of claim 1, wherein: the inside swing joint of gas storage storehouse (36) has the gasbag, and the inside fixedly connected with relief valve of gasbag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011053474.4A CN112173791A (en) | 2020-09-29 | 2020-09-29 | Quick auto-change over device of supplementary installation of film rolling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011053474.4A CN112173791A (en) | 2020-09-29 | 2020-09-29 | Quick auto-change over device of supplementary installation of film rolling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112173791A true CN112173791A (en) | 2021-01-05 |
Family
ID=73946781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011053474.4A Withdrawn CN112173791A (en) | 2020-09-29 | 2020-09-29 | Quick auto-change over device of supplementary installation of film rolling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112173791A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112919253A (en) * | 2021-02-24 | 2021-06-08 | 夏浩 | Graphene spinning rolling is with intelligent equipment according to supplementary change of rolling weight |
| CN116201174A (en) * | 2023-05-05 | 2023-06-02 | 中国海洋大学 | Air bag for submarine tunnel, submarine tunnel and collision detection method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110935748A (en) * | 2019-11-25 | 2020-03-31 | 山东宏旺实业有限公司 | Stainless steel strip cold rolling mill blanking device and use method thereof |
| CN110980363A (en) * | 2019-12-31 | 2020-04-10 | 泰州安方塑业有限公司 | Novel plastic film winding roller and using method thereof |
| CN210504846U (en) * | 2019-08-05 | 2020-05-12 | 玉田县帅辰塑料制品有限公司 | Winding device of blow molding machine |
-
2020
- 2020-09-29 CN CN202011053474.4A patent/CN112173791A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210504846U (en) * | 2019-08-05 | 2020-05-12 | 玉田县帅辰塑料制品有限公司 | Winding device of blow molding machine |
| CN110935748A (en) * | 2019-11-25 | 2020-03-31 | 山东宏旺实业有限公司 | Stainless steel strip cold rolling mill blanking device and use method thereof |
| CN110980363A (en) * | 2019-12-31 | 2020-04-10 | 泰州安方塑业有限公司 | Novel plastic film winding roller and using method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112919253A (en) * | 2021-02-24 | 2021-06-08 | 夏浩 | Graphene spinning rolling is with intelligent equipment according to supplementary change of rolling weight |
| CN116201174A (en) * | 2023-05-05 | 2023-06-02 | 中国海洋大学 | Air bag for submarine tunnel, submarine tunnel and collision detection method |
| CN116201174B (en) * | 2023-05-05 | 2023-07-04 | 中国海洋大学 | Air bag for submarine tunnel, submarine tunnel and collision detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112173791A (en) | Quick auto-change over device of supplementary installation of film rolling | |
| CN208761795U (en) | Apparatus for leveling is used in a kind of winding of copper foil | |
| CN210936515U (en) | Coiling mechanism is used in belted steel production | |
| CN107416250B (en) | Automatic pipe packaging equipment | |
| CN112374220A (en) | Thermal shrinkage film manufacturing and winding machine capable of being replaced without shutdown and using method thereof | |
| CN212044933U (en) | Automatic fixed-length cutting device for PVC (polyvinyl chloride) pipes | |
| CN204672775U (en) | Antitheft thorn shutter decompressor | |
| CN114888139A (en) | Electric meter box manufacturing, processing and forming equipment and forming method | |
| CN112693084A (en) | TV set injection molding processing is with anti-clogging auxiliary assembly of volume of moulding plastics of self-adjusting | |
| CN113305021A (en) | Auxiliary equipment for automatically screening screws for automatic screw fastening electromechanical equipment | |
| CN210876896U (en) | Processing equipment in tank technology is rolled up to pellicle cabinet for chicken essence production | |
| CN209491485U (en) | A kind of automatic device for mounting sheath applied to disc type coil pipe rolling-up mechanism | |
| CN113884714A (en) | Efficient semiconductor material four probe fixing device for surveying appearance | |
| CN112139341A (en) | High-efficient type metal work piece stamping equipment | |
| CN217837727U (en) | Novel film rolling device | |
| CN219748271U (en) | Punching device convenient for collecting waste materials | |
| CN219858342U (en) | Automatic mechanical part carrying device | |
| CN215355305U (en) | Plastic steel winding pipe stripping and recovering device | |
| CN218370829U (en) | Tension control device for longitudinal stretching of film | |
| CN212531783U (en) | Horizontal wheel for coiling trolley | |
| CN219052489U (en) | Steel coil opening and flattening device | |
| CN212311186U (en) | Feeding frame for paper cutter | |
| CN209906081U (en) | Special high-speed winding machine for enameled wire | |
| CN219852391U (en) | Metal lithium belt cutting device | |
| CN220156802U (en) | Electronic cabinet |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210105 |