CN211920056U - Feeding device of capacitive film winding roller evaporator - Google Patents
Feeding device of capacitive film winding roller evaporator Download PDFInfo
- Publication number
- CN211920056U CN211920056U CN201922223157.1U CN201922223157U CN211920056U CN 211920056 U CN211920056 U CN 211920056U CN 201922223157 U CN201922223157 U CN 201922223157U CN 211920056 U CN211920056 U CN 211920056U
- Authority
- CN
- China
- Prior art keywords
- translation
- lifting
- driving
- shaped
- conveying
- 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
Links
Images
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model discloses a feeding device of a capacitance film roller evaporator, which comprises a bottom plate, a bottom translation mechanism, a lifting driving mechanism and a feeding conveying mechanism; the bottom translation mechanism comprises a translation driving motor, a translation driving screw, two translation side plates and a translation base; the lifting driving mechanism comprises four supporting columns, a U-shaped plate, a lifting driving motor, four transmission rods, four lifting driving screws and four lifting sliding blocks; the feeding conveying mechanism comprises two strip-shaped side plates, two conveying driving racks, a conveying driving motor and a U-shaped winding roller seat. The bottom translation mechanism can realize integral translation, so that the two strip-shaped side plates can extend into an upper storage bin of the evaporation machine, and a capacitance film winding roller is placed on the inner support without entering the upper storage bin manually; can transport electric capacity film winding up roller to the coating by vaporization machine material loading level on right side by left artifical material loading level through material loading conveyor, realize horizontal transport steadily, prevent to bump.
Description
Technical Field
The utility model relates to a loading attachment, especially a capacitance film rolls up roller coating by vaporization machine loading attachment.
Background
At present, in the film capacitor generating process, the capacitor film winding roller needs to be placed at the corresponding position of the evaporation machine, so that the capacitor film winding roller is convenient to unwind, and a metal layer of the capacitor film in the evaporation machine is evaporated. However, the capacitor film roll has a heavy weight and needs to be placed in a feeding bin of an evaporation machine, the existing manual feeding mode has low efficiency, and the capacitor film on the roll is damaged or deformed. Therefore, there is a need to design a feeding device for a capacitive film roll evaporator, which can realize automatic feeding of the capacitive film roll, ensure feeding efficiency, and have high stability.
Disclosure of Invention
Utility model purpose: the utility model provides a capacitance film winding up roller coating by vaporization machine loading attachment, can realize the automatic material loading of capacitance film winding up roller, ensure material loading efficiency, and have higher stability.
The technical scheme is as follows: the utility model discloses a feeding device of a capacitance film roller evaporator, which comprises a bottom plate, a bottom translation mechanism, a lifting driving mechanism and a feeding conveying mechanism;
the bottom translation mechanism comprises a translation driving motor, a translation driving screw, two translation side plates and a translation base; two supporting rollers are rotatably arranged on the front side surface and the rear side surface of the translation base; the two translation side plates are transversely and fixedly arranged on the upper side surface of the bottom plate, and side supporting grooves are transversely arranged on the opposite inner sides of the two translation side plates; the supporting rollers are supported and run in the side supporting grooves on the corresponding sides; the translation driving screw is transversely and rotatably arranged in the middle of the bottom plate through a screw support; the translation driving motor is fixedly arranged on the bottom plate, and an output shaft is in butt joint transmission with the end part of the translation driving screw rod; a translation driving threaded hole is formed in the translation base, and a translation driving screw is installed in the translation driving threaded hole in a threaded manner;
the lifting driving mechanism comprises four supporting columns, a U-shaped plate, a lifting driving motor, four transmission rods, four lifting driving screws and four lifting sliding blocks; the four support columns are respectively vertically arranged at four vertex angles on the upper side surface of the translation base, and columnar sliding inner cavities are vertically arranged in the four support columns; four lifting driving screws are respectively vertically and rotatably arranged in the columnar sliding inner cavities of the four supporting columns; the four lifting slide blocks are respectively arranged in the columnar sliding inner cavities of the four support columns in a sliding manner and are positioned at the same height; a lifting driving threaded hole is vertically formed in the lifting slider, and a lifting driving screw is installed on the lifting driving threaded hole in a threaded manner; the four top corners of the lower side plate of the U-shaped plate are respectively provided with a connecting block; a strip-shaped guide hole communicated with the columnar sliding inner cavity is vertically arranged on each of the four support columns; the four connecting blocks respectively penetrate through the four strip-shaped guide holes and are fixed on the four lifting slide blocks; the lifting driving motor is arranged at the lower parts of the four support columns through a motor mounting plate, and lifting driving bevel gears are fixedly arranged on the output shaft; the lower ends of the four lifting driving screws are respectively and fixedly provided with a lifting driven bevel gear; the four transmission rods are rotatably arranged on the translation base through four transmission rod supports, one ends of the four transmission rods are fixedly provided with an outer side transmission bevel gear, the other ends of the four transmission rods respectively penetrate through columnar sliding inner cavities extending into the four support columns, and an inner side transmission bevel gear is fixedly arranged on the extending end; the four outer side transmission bevel gears are all meshed with the lifting driving bevel gears, and the four inner side transmission bevel gears are respectively meshed with the four lifting driven bevel gears;
the feeding conveying mechanism comprises two strip-shaped side plates, two conveying driving racks, a conveying driving motor and a U-shaped winding roller seat; the two strip-shaped side plates are respectively and transversely fixedly arranged on the inner walls of the front vertical plate and the rear vertical plate of the U-shaped plate; a roller supporting groove is transversely arranged on the inner wall of the opposite side of each strip-shaped side plate; two conveying supporting wheels are rotatably arranged on the outer sides of the vertical seat plates on the front side and the rear side of the U-shaped winding roller seat; the conveying supporting wheels are embedded into the roller supporting grooves running on the corresponding sides; the upper side edges of the vertical seat plates at the front side and the rear side of the U-shaped winding roller seat are respectively provided with a semi-arc notch for supporting a winding roller shaft; two conveying driving racks are respectively and transversely arranged on the lower side edges of the two strip-shaped side plates; the conveying driving motor is fixedly arranged on the lower side surface of the lower side plate of the U-shaped winding roller seat and is a double-shaft-head motor; a conveying driving gear is fixedly arranged on the end parts of the output shafts on the two sides of the conveying driving motor; the two conveying driving gears are respectively meshed with the two conveying driving racks.
Furthermore, two rotating shaft supports are arranged on the lower side surface of the lower side plate of the U-shaped winding roller seat; output shafts on two sides of the conveying driving motor are rotatably arranged on the two rotating shaft supports.
Furthermore, the slope and the limiting stop strip are arranged on the upper side edge of the vertical seat plates on the two sides of the U-shaped winding roller seat and on the left side and the right side of the semicircular groove opening respectively, the slope extends to the semicircular groove opening from the left side to the right side downwards, and the top end of the limiting stop strip is higher than the upper opening height of the semicircular groove opening.
Further, a stable connecting rod is transversely arranged between the top ends of the two supporting columns on the front side and between the top ends of the two supporting columns on the rear side.
Compared with the prior art, the utility model, its beneficial effect is: the integral translation of the lifting driving mechanism and the feeding conveying mechanism is realized through a bottom translation mechanism consisting of a translation driving motor, a translation driving screw rod, two translation side plates and a translation base, so that the two strip-shaped side plates can extend into an upper storage bin of the evaporation machine, and a capacitance film winding roller is placed on an inner support without entering the upper storage bin manually; the height of the capacitive film winding roller can be stably adjusted as required by a lifting driving mechanism consisting of four supporting columns, a U-shaped plate, a lifting driving motor, four transmission rods, four lifting driving screws and four lifting slide blocks, so that the lifting requirement of the feeding height difference is met; constitute material loading conveying mechanism through two bar side boards, two transport drive rack, transport driving motor and U-shaped winding up roller seats, can transport the electric capacity film winding up roller to the coating by vaporization machine material loading level on right side limit by the artifical material loading level of left side limit, realize horizontal transport steadily, prevent the collision.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a left side view structure diagram of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example 1:
as shown in fig. 1 and 2, the utility model discloses an electric capacity film winding up roller coating by vaporization machine loading attachment includes: the device comprises a bottom plate 1, a bottom translation mechanism, a lifting driving mechanism and a feeding conveying mechanism;
the bottom translation mechanism comprises a translation driving motor 5, a translation driving screw rod 4, two translation side plates 2 and a translation base 11; two supporting rollers 13 are rotatably arranged on the front side and the rear side of the translation base 11; the two translation side plates 2 are transversely and fixedly arranged on the upper side surface of the bottom plate 1, and a side supporting groove 12 is transversely arranged on the opposite inner sides of the two translation side plates 2; the supporting rollers 13 are supported and run in the side supporting grooves 12 on the corresponding sides; the translation driving screw 4 is transversely and rotatably arranged in the middle of the bottom plate 1 through a screw support 3; the translation driving motor 5 is fixedly arranged on the bottom plate 1, and an output shaft is in butt joint transmission with the end part of the translation driving screw rod 4; a translation driving threaded hole is formed in the translation base 11, and the translation driving screw rod 4 is installed in the translation driving threaded hole in a threaded manner;
the lifting driving mechanism comprises four supporting columns 6, a U-shaped plate 20, a lifting driving motor 8, four transmission rods 10, four lifting driving screws 16 and four lifting sliders 15; the four support columns 6 are respectively vertically installed at four vertex angles on the upper side surface of the translation base 11, and columnar sliding inner cavities 14 are vertically arranged inside the four support columns 6; four lifting driving screws 16 are respectively vertically and rotatably arranged in the columnar sliding inner cavities 14 of the four support columns 6; the four lifting slide blocks 15 are respectively arranged in the columnar sliding inner cavities 14 of the four support columns 6 in a sliding manner, and the four lifting slide blocks 15 are positioned at the same height; a lifting driving threaded hole is vertically formed in the lifting slider 15, and a lifting driving screw 16 is installed on the lifting driving threaded hole in a threaded manner; the four top corners of the lower side plate of the U-shaped plate 20 are respectively provided with a connecting block 17; a strip-shaped guide hole 18 communicated with the columnar sliding inner cavity 14 is vertically arranged on each of the four support columns 6; the four connecting blocks 17 respectively penetrate through the four strip-shaped guide holes 18 and are fixed on the four lifting slide blocks 15; a lifting driving motor 8 is arranged at the lower parts of the four support columns 6 through a motor mounting plate 7, and a lifting driving bevel gear 9 is fixedly arranged on an output shaft; the lower ends of the four lifting driving screws 16 are respectively and fixedly provided with a lifting driven bevel gear 32; the four transmission rods 10 are rotatably arranged on the translation base 11 through four transmission rod supports 29, one ends of the four transmission rods 10 are fixedly provided with an outer transmission bevel gear 30, the other ends of the four transmission rods 10 respectively penetrate through the columnar sliding inner cavities 14 of the four support columns 6 and fixedly provided with an inner transmission bevel gear 31; the four outer side transmission bevel gears 30 are all meshed with the lifting driving bevel gears 9, and the four inner side transmission bevel gears 31 are respectively meshed with the four lifting driven bevel gears 32;
the feeding conveying mechanism comprises two strip-shaped side plates 26, two conveying driving racks 27, a conveying driving motor 35 and a U-shaped winding roller seat 21; two strip-shaped side plates 26 are respectively and transversely fixedly arranged on the inner walls of the front vertical plate and the rear vertical plate of the U-shaped plate 20; a roller supporting groove 28 is transversely arranged on the inner wall of the opposite side of each strip-shaped side plate 26; two conveying supporting wheels 25 are rotatably arranged on the outer sides of the front and rear vertical seat plates of the U-shaped winding roller seat 21; the conveying supporting wheels 25 are embedded in the roller supporting grooves 28 running on the corresponding sides; the upper side edges of the front and rear vertical seat plates of the U-shaped winding roller seat 21 are respectively provided with a semi-arc notch 24 for supporting a winding roller shaft 34; two conveying driving racks 27 are respectively and transversely arranged on the lower side edges of the two strip-shaped side plates 26; the conveying driving motor 35 is fixedly arranged on the lower side surface of the lower side plate of the U-shaped winding roller seat 21 and is a double-shaft-head motor; a conveying driving gear 38 is fixedly arranged on the end parts of output shafts 36 on two sides of the conveying driving motor 35; the two transport drive gears 38 are respectively engaged with the two transport drive racks 27.
The synchronous rotation of the four lifting driving screws 16 can be realized by utilizing the driving rod 10, the outer side driving bevel gear 30, the lifting driving bevel gear 9, the inner side driving bevel gear 31 and the lifting driven bevel gear 32, so that the stability of the U-shaped plate 20 in the lifting process is ensured; the conveying driving motor 35 with the double-shaft heads can realize synchronous driving of the two conveying driving gears 38, so that the consistency of front and rear side movement of the U-shaped winding roller seat 21 is realized after the two conveying driving racks 27 are meshed, and the stability of translation of the capacitance film winding roller 33 is ensured.
Further, two rotating shaft supports 37 are arranged on the lower side surface of the lower side plate of the U-shaped winding roller seat 21; two output shafts 36 of the conveying driving motor 35 are rotatably mounted on two rotating shaft supports 37. The stability of the two-sided output shaft 36 can be enhanced by the two spindle supports 37.
Further, the slope 22 and the limiting stop bar 23 are respectively arranged on the upper side edges of the vertical seat plates on the two sides of the U-shaped winding roller seat 21 and on the left side and the right side of the semi-arc notch 24, the slope 22 extends from the left side to the right side downwards to the semi-arc notch 24, and the top end of the limiting stop bar 23 is higher than the upper opening height of the semi-arc notch 24. The slope surface 22 can be used for enabling the supporting roller shaft 34 to rapidly slide into the semi-arc notch 24 when people work station loads materials; the limiting stop strip 23 can prevent the supporting roller shaft 34 from sliding through the semi-arc notch 24 when people feed the work station.
Further, a stabilizing connecting rod 19 is transversely arranged between the top ends of the two supporting columns 6 at the front side and between the top ends of the two supporting columns 6 at the rear side. Utilize stabilizing connecting rod 19 can reduce the top and rock, strengthen stability.
When the feeding device of the capacitor film roll coating machine is used, the whole translation of the lifting driving mechanism and the feeding conveying mechanism can be realized through the bottom translation mechanism consisting of the translation driving motor 5, the translation driving screw rod 4, the two translation side plates 2 and the translation base 11, so that the two strip-shaped side plates 26 can extend into the feeding bin of the coating machine, and the capacitor film roll 33 is placed on the inner support without entering the feeding bin manually; the height of the capacitance film winding roller 33 can be stably adjusted as required by a lifting driving mechanism consisting of four supporting columns 6, a U-shaped plate 20, a lifting driving motor 8, four transmission rods 10, four lifting driving screws 16 and four lifting sliders 15, so that the lifting requirement of the feeding height difference is met; through two bar side boards 26, two transport drive rack 27, transport driving motor 35 and U-shaped winding roller seat 21 constitution material loading conveying mechanism, can transport electric capacity film winding roller 33 to the coating by vaporization machine material loading level on right side limit by the artifical material loading level of left side limit, realize steadily horizontal transport, prevent collision.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a capacitance film winding roller coating by vaporization machine loading attachment which characterized in that: comprises a bottom plate (1), a bottom translation mechanism, a lifting driving mechanism and a feeding conveying mechanism;
the bottom translation mechanism comprises a translation driving motor (5), a translation driving screw (4), two translation side plates (2) and a translation base (11); two supporting rollers (13) are rotatably arranged on the front side surface and the rear side surface of the translation base (11); the two translation side plates (2) are transversely and fixedly arranged on the upper side surface of the bottom plate (1), and the opposite inner sides of the two translation side plates (2) are transversely provided with a side supporting groove (12); the supporting rollers (13) are supported and run in the side supporting grooves (12) on the corresponding sides; the translation driving screw (4) is transversely and rotatably arranged in the middle of the bottom plate (1) through a screw support (3); the translation driving motor (5) is fixedly arranged on the bottom plate (1), and an output shaft is in butt joint transmission with the end part of the translation driving screw rod (4); a translation driving threaded hole is formed in the translation base (11), and a translation driving screw (4) is installed in the translation driving threaded hole in a threaded manner;
the lifting driving mechanism comprises four supporting columns (6), a U-shaped plate (20), a lifting driving motor (8), four transmission rods (10), four lifting driving screw rods (16) and four lifting sliding blocks (15); four support columns (6) are respectively vertically arranged at four vertex angles on the upper side surface of the translation base (11), and columnar sliding inner cavities (14) are vertically arranged inside the four support columns (6); four lifting driving screws (16) are respectively vertically and rotatably arranged in the columnar sliding inner cavities (14) of the four support columns (6); the four lifting slide blocks (15) are respectively arranged in the columnar sliding inner cavities (14) of the four support columns (6) in a sliding manner, and the four lifting slide blocks (15) are positioned at the same height; a lifting driving threaded hole is vertically formed in the lifting slider (15), and a lifting driving screw (16) is installed on the lifting driving threaded hole in a threaded manner; four top corners of a lower side plate of the U-shaped plate (20) are respectively provided with a connecting block (17); strip-shaped guide holes (18) communicated with the columnar sliding inner cavity (14) are vertically arranged on the four support columns (6); the four connecting blocks (17) respectively penetrate through the four strip-shaped guide holes (18) and are fixed on the four lifting slide blocks (15); a lifting driving motor (8) is arranged at the lower parts of the four supporting columns (6) through a motor mounting plate (7), and a lifting driving bevel gear (9) is fixedly arranged on an output shaft; the lower ends of the four lifting driving screws (16) are respectively and fixedly provided with a lifting driven bevel gear (32); the four transmission rods (10) are rotatably arranged on the translation base (11) through four transmission rod supports (29), one ends of the four transmission rods (10) are fixedly provided with an outer side transmission bevel gear (30), the other ends of the four transmission rods (10) respectively penetrate through columnar sliding inner cavities (14) of the four support columns (6), and an inner side transmission bevel gear (31) is fixedly arranged on the extending end; the four outer side transmission bevel gears (30) are all meshed with the lifting driving bevel gears (9), and the four inner side transmission bevel gears (31) are respectively meshed with the four lifting driven bevel gears (32);
the feeding conveying mechanism comprises two strip-shaped side plates (26), two conveying driving racks (27), a conveying driving motor (35) and a U-shaped winding roller seat (21); two strip-shaped side plates (26) are respectively and transversely fixedly arranged on the inner walls of the front vertical plate and the rear vertical plate of the U-shaped plate (20); the inner walls of the two opposite sides of the two strip-shaped side plates (26) are transversely provided with a roller supporting groove (28); two conveying supporting wheels (25) are rotatably arranged on the outer sides of the vertical seat plates on the front side and the rear side of the U-shaped winding roller seat (21); the conveying supporting wheels (25) are embedded into roller supporting grooves (28) running on the corresponding sides; the upper side edges of the front and rear vertical seat plates of the U-shaped winding roller seat (21) are respectively provided with a semi-circular notch (24) for supporting a winding roller shaft (34); two conveying driving racks (27) are respectively and transversely arranged on the lower side edges of the two strip-shaped side plates (26); the conveying driving motor (35) is fixedly arranged on the lower side surface of the lower side plate of the U-shaped winding roller seat (21) and is a double-shaft-head motor; a conveying driving gear (38) is fixedly arranged on the end parts of output shafts (36) at two sides of the conveying driving motor (35); the two conveying driving gears (38) are respectively meshed with the two conveying driving racks (27).
2. The charging device of capacitive film roll evaporator according to claim 1, wherein: two rotating shaft supports (37) are arranged on the lower side surface of the lower side plate of the U-shaped winding roller seat (21); output shafts (36) at two sides of the conveying driving motor (35) are rotatably arranged on two rotating shaft supports (37).
3. The charging device of capacitive film roll evaporator according to claim 1, wherein: slope (22) and spacing shelves (23) are equipped with respectively on the left and right sides that just are located semicircle notch (24) on the upside edge of the vertical bedplate in both sides of U-shaped winding roller seat (21), and slope (22) extend to semicircle notch (24) from left side down, and the top height of spacing shelves (23) is higher than the suitable for reading height of semicircle notch (24).
4. The charging device of capacitive film roll evaporator according to claim 1, wherein: and a stable connecting rod (19) is transversely arranged between the top ends of the two supporting columns (6) at the front side and between the top ends of the two supporting columns (6) at the rear side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922223157.1U CN211920056U (en) | 2019-12-12 | 2019-12-12 | Feeding device of capacitive film winding roller evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922223157.1U CN211920056U (en) | 2019-12-12 | 2019-12-12 | Feeding device of capacitive film winding roller evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211920056U true CN211920056U (en) | 2020-11-13 |
Family
ID=73323619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922223157.1U Active CN211920056U (en) | 2019-12-12 | 2019-12-12 | Feeding device of capacitive film winding roller evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211920056U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033681A (en) * | 2021-11-08 | 2022-02-11 | 中北大学 | Combined type vacuum pump based on spiral double-claw rotor |
| CN114873143A (en) * | 2022-05-30 | 2022-08-09 | 浙江安升吉达精密科技有限公司 | Conveying device |
-
2019
- 2019-12-12 CN CN201922223157.1U patent/CN211920056U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033681A (en) * | 2021-11-08 | 2022-02-11 | 中北大学 | Combined type vacuum pump based on spiral double-claw rotor |
| CN114873143A (en) * | 2022-05-30 | 2022-08-09 | 浙江安升吉达精密科技有限公司 | Conveying device |
| CN114873143B (en) * | 2022-05-30 | 2023-07-18 | 浙江安升吉达精密科技有限公司 | Conveying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211920056U (en) | Feeding device of capacitive film winding roller evaporator | |
| CN111591543A (en) | Foldable material box structure for multi-layer transportation of main bearing caps | |
| CN110077774A (en) | A kind of cargo transposer between shelf | |
| CN212449148U (en) | Automatic storing device of annular | |
| CN211920307U (en) | Capacitor film winding roll feeding device | |
| CN106427053A (en) | Automatic forming apparatus for small paper boxes | |
| CN115947016A (en) | Storage vertical warehouse equipment | |
| CN113582068A (en) | Device and method for molding fiber composite material convenient for feeding and discharging | |
| CN220764432U (en) | Turnover device for honeycomb carton production | |
| CN216421577U (en) | Assembly machine material taking mechanism for machining carrier roller | |
| CN220722319U (en) | Finished product carton stacking frame | |
| CN216302738U (en) | Intelligent paper feeding platform for paper processing | |
| CN210029461U (en) | Automatic device of stacking of packing box cardboard | |
| CN110294294B (en) | Cotton automatic feeding equipment | |
| CN212557027U (en) | Grabbing and rotating mechanism for cosmetic bottle packaging box | |
| CN220547477U (en) | Panel flattening equipment | |
| CN214651090U (en) | Automatic rotary three-dimensional garage | |
| CN220299373U (en) | Commodity shelf for logistics storage | |
| CN214449020U (en) | Single-sided corrugating machine with auxiliary discharging function | |
| CN219929193U (en) | Carton piece stacking device for carton processing | |
| CN220866023U (en) | Good dress goods shelves of stability | |
| CN216138005U (en) | Efficient pipe machine automatic feeding auxiliary device | |
| CN220431160U (en) | Panel storage rack | |
| CN217980042U (en) | Manual double-face lifting target drone | |
| CN220997583U (en) | Steel stacking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |