CN220219634U - Mode locking device for blowing - Google Patents
Mode locking device for blowing Download PDFInfo
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- CN220219634U CN220219634U CN202321962535.8U CN202321962535U CN220219634U CN 220219634 U CN220219634 U CN 220219634U CN 202321962535 U CN202321962535 U CN 202321962535U CN 220219634 U CN220219634 U CN 220219634U
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- locking mechanism
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- 238000007664 blowing Methods 0.000 title description 2
- 230000007246 mechanism Effects 0.000 claims abstract description 81
- 238000000071 blow moulding Methods 0.000 claims abstract description 30
- 150000001875 compounds Chemical class 0.000 claims 7
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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- Moulds For Moulding Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The utility model provides a mold locking device for blow molding, which comprises a frame, a mold locking structure and a mold locking mechanism, wherein the mold locking structure comprises a front mold plate, a rear mold plate, a tail plate, a sliding seat, a mold locking guide post, a lower ejector rod, a driving component and a transverse guide piece; the mold closing locking mechanism can descend and be buckled above the tail plate and the front template before closing the mold completely, and ascend to be separated from the tail plate and the front template before opening the mold. The utility model provides a mold clamping device for blow molding, which uses a mold clamping locking mechanism to limit the positions of a front mold plate and a tail plate when the front mold plate and the tail plate are clamped.
Description
Technical Field
The utility model relates to the field of blow molding equipment, in particular to a mold locking device for blow molding.
Background
The mold locking device is a part on the blow molding machine for ensuring that molds are tightly attached together and providing mold clamping force when the blow molding machine is used for mold clamping, the existing mold locking device comprises a front mold plate (front mold loading mold half), a rear mold plate (rear mold half loading mold half), a tail plate, a sliding seat, a mold clamping guide post, a synchronizing mechanism and a driving assembly, wherein the front end and the rear end of the sliding seat are respectively provided with a guide sleeve seat in sliding fit with the mold clamping guide post, the front end of the mold clamping guide post is fixedly connected with the front mold plate, the rear end of the mold clamping guide post is fixedly connected with the tail plate, the rear mold plate is slidably arranged between the guide sleeve seats at the two ends of the mold clamping guide post, the driving assembly is arranged on the tail plate and fixedly connected with the rear mold plate, and when the driving assembly drives the rear mold plate and the tail plate to move in opposite directions, the synchronizing mechanism controls the rear mold plate and the front mold plate to realize mold opening or mold clamping in opposite directions. The above-mentioned mode locking device has following defect: (1) The distribution of the clamping force of the driving assembly transmitted to the upper part of the die through the front die plate and the rear die plate is not large enough, so that the clamping effect is affected; (2) The upper end of the front mold plate cannot obtain independent and direct and enough clamping force, and the front mold plate and the rear mold plate deform in an external eight shape after the clamping force is applied to the rear/front mold plate, so that the clamping force applied to the upper area of the mold by the front mold plate and the rear mold plate is reduced and limited, the clamping seam of a product is large, and the appearance quality of the product is reduced.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a mold clamping device for blow molding, which is characterized in that a mold clamping locking mechanism is additionally arranged to limit the relative positions of a tail plate and a front template when the front template and the rear template are clamped, so that independent and direct tension support is provided for the upper end of the front template, and independent and direct mold clamping force is also provided for the upper area of the mold clamping positions of the rear template and the front template when the mold clamping force is applied, the front template and the tail plate are not deformed in an eight-shaped way, the mold clamping force is not reduced, and the mold clamping force can be added to be large enough.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the mold locking device for blow molding comprises a frame, a mold locking structure and a mold locking mechanism, wherein the mold locking structure and the mold locking mechanism are arranged on the frame, the mold locking structure comprises a front mold plate, a rear mold plate, a tail plate, a sliding seat, a mold closing guide post, a lower ejector rod and a driving assembly, the transverse guide piece is arranged on the frame, the sliding seat is arranged on the transverse guide piece, the mold closing guide post is slidably arranged on the sliding seat, the front mold plate is fixedly arranged at one end of the mold closing guide post, the tail plate is fixedly arranged at the other end of the mold closing guide post, the rear mold plate is slidably arranged on the mold closing guide post and is positioned between the tail plate and the front mold plate, the lower ejector rod is arranged below the mold closing guide post, the front mold plate and the tail plate extend downwards and are connected with the lower ejector rod, and the driving assembly is used for outputting power to drive the rear mold plate and the tail plate to move relatively to realize mold opening and mold closing; the mold clamping locking mechanism is arranged above the mold clamping structure, can be controlled to descend and be buckled above the tail plate and the front template before the mold clamping is completely combined, and can be lifted to be separated from the tail plate and the front template before the front template and the tail plate are opened.
Compared with the prior art, the mold locking device for blow molding has the following beneficial effects:
(1) The utility model is additionally provided with the die assembly locking mechanism, when the front template and the rear template are used for die assembly, the die assembly locking mechanism is respectively buckled above the tail plate and the front template, and the tensioning supporting force is provided by fixing the upper ends of the front template and the tail plate, so that the problems that the die assembly force is lost and the die assembly force cannot be large due to the external eight-shaped deformation of the upper part of the front template in the process of applying the die assembly force in the past are solved;
(2) Because the die clamping locking mechanism is clamped above the front template and the tail plate, the loss of the upper Fang Gemo force is reduced, and the upper Fang Gemo force can be applied to be large enough, so that the die clamping force output by the die clamping locking mechanism is distributed better above the space between the front template and the rear template, thereby realizing larger die clamping force and improving the quality of products;
(3) The lower ejector rod is arranged below the die assembly guide post, so that the connecting pivot of the front die plate and the tail plate is increased, the lower ejector rod can provide balance force when the die is opened and closed, the driving assembly can effectively drive the front die plate and the rear die plate to move under the condition of outputting smaller power, the front die plate and the rear die plate can move smoothly and more labor-saving, and the die assembly locking mechanism capable of moving up and down is arranged, so that the structure of the outer side of the front die plate is simplified.
Further, the mold clamping locking mechanism is provided with a lifting tie bar and a cross bar extending from the tail plate in the direction of the front mold plate, and the tie bar is operable to descend and be locked above the tail plate and the front mold plate before the mold clamping is completed.
Further, the device comprises a lifting device, wherein the lifting device is arranged above the die assembly locking mechanism, the die assembly locking mechanism comprises a front limiting structure used for the front side of the front template and a rear limiting structure used for fixing the rear side of the tail plate, and the lifting device is used for descending the die assembly locking mechanism to the upper parts of the front template and the tail plate when the front template and the rear template are used for fast closing the die assembly, so that the front limiting structure and the rear limiting structure are respectively buckled above the front template and the tail plate.
The die closing locking mechanism is driven by the lifting device, and the number of parts is small, so that the production and maintenance cost of the die closing locking mechanism is reduced.
Further, the front limiting structure comprises a front buckling part which is clamped with the front of the front template, and the rear limiting structure comprises a rear buckling part which is clamped with the rear of the tail plate.
The front template is fixed in front of the front buckling part through the die locking mechanism, the rear end plate is fixed in rear of the rear buckling part through the die locking mechanism, the buckling is reliable, and the front buckling part/rear buckling part can be separated from the die locking structure when the die locking mechanism ascends, so that the operation is simple.
Furthermore, the front buckling parts are arranged on two sides of the front end of the die clamping locking mechanism, and the rear buckling parts are arranged on two sides of the rear end of the die clamping locking mechanism.
Further, two sides of the upper end of the front template are provided with buckling plates corresponding to the front buckling parts, and the two buckling plates form a front support on the outer side above the front template.
By adopting the arrangement mode, when the die assembly locking mechanism is used for buckling the front template, the front buckling part locks the front template and simultaneously limits the front template from being deformed outwards and outwards when the die assembly force is increased.
Further, the lifting device comprises at least two air cylinders or lifting drivers, and the two air cylinders or the two lifting drivers are respectively positioned above the front part and the rear part of the die assembly locking mechanism.
At least two cylinders or lifting drivers are arranged to drive the die locking mechanism to lift, so that the reliability of the die locking mechanism during lifting is improved.
Further, the driving assembly comprises a synchronizing mechanism and a mold locking cylinder, the mold locking cylinder is arranged on the tail plate, the output end of the mold locking cylinder is connected with the rear template, the synchronizing mechanism is arranged between the rear template and the tail plate, and the mold locking cylinder controls the rear template and the front template to move in an opposite synchronous way through the synchronizing mechanism so as to realize mold opening and closing; when the front template and the rear template are opened and closed, the synchronous mechanism can limit the position between the tail plate and the rear template, and the front template and the tail plate are provided with a die closing guide post and a lower ejector rod rectangular fixing, so that the die opening and closing between the front template and the rear template are synchronous.
Furthermore, the mold locking structure is provided with one or two mold locking mechanisms, and the mold locking mechanisms are arranged corresponding to the mold locking structure, so that the blow molding machine can open and close two groups of molds.
Further, the frame is provided with a push-pull cylinder corresponding to the movement of the mold locking structure along the transverse guide piece, and the push-pull cylinder drives the mold locking structure to move to the middle or retract to the outer side.
The push-pull cylinder and the transverse guide piece are arranged, so that production personnel can interactively use the two mode locking structures, the yield is improved, the adaptation scene of the utility model is enlarged, and the production cost is reduced.
Drawings
FIG. 1 is a first angular schematic view showing an initial state of a mold clamping device for blow molding according to the first embodiment;
FIG. 2 is a second angular schematic view showing an initial state of a mold clamping device for blow molding according to the first embodiment;
fig. 3 is a first angular schematic view showing a mold clamping state of a mold clamping device for blow molding according to the first embodiment;
fig. 4 is a second angular schematic view showing a mold clamping state of a mold clamping device for blow molding according to the first embodiment;
fig. 5 is a schematic view showing an initial state of a mold clamping device for blow molding according to the second embodiment;
fig. 6 is a schematic view showing a state of feeding a mold clamping device for blow molding according to the second embodiment.
Description of the reference numerals:
the device comprises a rack 1, a base 2, a frame 3, a mold locking structure 4, a front mold 5, a rear mold plate 6, a tail plate 7, a front mold plate 8, a sliding seat 9, a buckling plate 10, a synchronous mechanism 11, a mold locking cylinder 12, a mold locking mechanism 13, a cylinder 14, a pull rod 15, a front buckling part 16, a rear buckling part 17, a cross beam 18, a push-pull cylinder 19, a transverse guide 20, a rear mold 21, a mold locking guide post 22 and a lower ejector rod 23.
Detailed Description
Embodiments of the present utility model are described below with reference to the accompanying drawings:
example 1
Referring to fig. 1 to 4, a mold locking device for blow molding of the present embodiment includes a frame 1, a mold locking structure 4 and a mold locking mechanism 13 disposed on the frame 1, where the mold locking structure 4 includes a front mold plate 8, a rear mold plate 6, a tail plate 7, a sliding seat 9, a mold closing guide post 22, a lower ejector rod 23, a driving component and a transverse guide 20, the transverse guide 20 is disposed on the frame 1, the sliding seat 9 is slidably disposed on the transverse guide 20, the mold closing guide post 22 is slidably disposed on the sliding seat 9, the front mold plate 8 is fixedly disposed at one end of the mold closing guide post 22, the tail plate 7 is fixedly disposed at the other end of the mold closing guide post 22, the rear mold plate 6 is slidably disposed on the mold closing guide post 22 and between the tail plate 7 and the front mold plate 8, the lower ejector rod 23 is disposed below the mold closing guide post 22, the front mold plate 8 and the tail plate 7 extend downward and are connected to the lower ejector rod 23, and the driving component is used for outputting power to drive the rear mold plate 6 to move relative to the tail plate 7, thereby moving the rear mold plate 6 relative to the front mold plate 8 to open and close the mold plate 8; the mold clamping and locking mechanism 13 is disposed above the mold clamping structure 4, the mold clamping and locking mechanism 13 is provided with a liftable pull rod 15 and a cross beam 18 extending from the tail plate 7 to the direction of the front mold plate 8, the mold clamping and locking mechanism 13 can be controlled to descend and be buckled above the tail plate 7 and the front mold plate 8 before the mold clamping is completed (the pull rod 15 is buckled with the tail plate 7 and the front mold plate 8), and ascend and be separated from the tail plate 7 and the front mold plate 8 before the front mold plate 8 and the tail plate 7 are opened.
Referring to fig. 2, a front mold 5 is provided on the front mold plate 8, and a rear mold 21 is provided on the rear mold plate 6.
Referring to fig. 2 to 4, two mold clamping guide posts 22 and two lower ejector pins 23 are respectively provided, and the four are arranged at rectangular intervals.
Referring to fig. 1 to 4, the device further comprises a lifting device, the lifting device is arranged above the die clamping locking mechanism 13, the die clamping locking mechanism 13 comprises a front limiting structure for the front side of the front template 8 and a rear limiting structure for fixing the rear side of the tail plate 7, and the lifting device is used for descending the die clamping locking mechanism 13 above the front template 8 and the tail plate 7 when the front template 8 and the rear template 6 are fast closed, so that the front limiting structure and the rear limiting structure are respectively buckled above the front template 8 and the tail plate 7.
The mold clamping and locking mechanism 13 is driven by a lifting device, and the number of parts is small, so that the production and maintenance cost of the mold clamping and locking mechanism 13 is reduced.
Referring to fig. 2, the front limiting structure includes a front fastening portion 16 fastened to the front of the front template 8, and the rear limiting structure includes a rear fastening portion 17 fastened to the rear of the tail plate 7.
The die locking mechanism 13 is reliably locked by fixing the front part of the front template 8 through the front buckling part 16 and fixing the rear part of the tail plate 7 through the rear buckling part 17, and the front buckling part 16/the rear buckling part 17 can be separated from the die locking structure 4 when the die locking mechanism 13 ascends, so that the operation is simple.
Referring to fig. 1, the front fastening portions 16 are provided on both sides of the front end of the mold clamping and locking mechanism 13, and the rear fastening portions 17 are provided on both sides of the rear end of the mold clamping and locking mechanism 13.
Specifically, the pull rod 15 and the cross beam 18 form a rectangular frame.
The cross beam 18 can improve the structural strength of the mold clamping locking mechanism 13, and avoid the upper end of the front template 8 from being deformed outwards and eight times due to the mold clamping force when the mold clamping force is applied, thereby further improving the mold clamping effect of the mold clamping locking structure 4.
The two sides of the upper end of the front template 8 are provided with buckling plates 10 corresponding to the front buckling parts 16, and the two buckling plates 10 form a front support on the outer side above the front template 8.
By adopting the above arrangement, when the tie rod 15 is made to abut against the front platen 8, the front buckle portion 16 locks the front platen 8 while restricting the front platen 8 from being deformed outward by eight when the mold clamping force is raised.
Referring to fig. 2, the lifting device includes four cylinders 14, and the four cylinders 14 are disposed at intervals at the front and rear of the tie bar 15, or the lifting device includes two cylinders 14, and the two cylinders 14 are distributed over the front and rear of the mold clamping and locking mechanism 13. In other embodiments, the lifting device comprises at least two lifting drives, i.e. the cylinder 14 is replaced by a lifting drive.
By providing two cylinders 14 to drive the mold clamping and locking mechanism 13 to move up and down, the reliability of the mold clamping and locking mechanism 13 in moving up and down is improved.
Referring to fig. 2, the driving assembly includes a synchronizing mechanism 11 and a mold locking cylinder 12, the mold locking cylinder 12 is disposed on the tail plate 7, the output end of the mold locking cylinder is connected with the rear mold plate 6, the synchronizing mechanism 11 is disposed between the rear mold plate 6 and the tail plate 7, and the mold locking cylinder 12 controls the rear mold plate 6 and the front mold plate 8 to move in a different direction and synchronously through the synchronizing mechanism 11 so as to realize mold opening and closing; when the front template 8 and the rear template 6 are opened and closed, the synchronous mechanism 11 can limit the position between the tail plate 7 and the rear template 6, and the front template 8 and the tail plate 7 are rectangular and fixed by the mold closing guide post and the lower ejector rod, so that the front template 8 and the rear template 6 are opened and closed synchronously.
Referring to fig. 1 to 4, the frame 1 is provided with a base 2 and a frame 3, the mold locking structure 4 is provided on the base 2, and the mold clamping locking mechanism 13 is provided on the frame 3.
The synchronizing mechanism 8 belongs to prior art devices.
The lateral guides 20 are guide posts or rails.
Compared with the prior art, the mold locking device for blow molding has the following beneficial effects:
(1) The utility model is additionally provided with the die locking mechanism 13, when the front template 8 and the rear template 6 are clamped, the die locking mechanism 13 is respectively buckled above the tail plate 7 and the front template 8, and the tensioning supporting force is provided by fixing the upper ends of the front template 8 and the tail plate 7, so that the problems that the die clamping force is lost and can not be large due to the fact that the upper part of the front template 8 deforms in an eight-out shape in the process of applying the die clamping force in the past are solved, in addition, the independent support is provided for the upper part of the front template 8 based on the die locking mechanism 13, so that the die clamping force output by a driving assembly can be further increased, the die can be more tightly combined, the product die joint seam is reduced, and the quality of the product is improved;
(2) Because the die clamping locking mechanism 13 is clamped above the front template 8 and the tail plate 7, the loss of the upper Fang Gemo force is reduced, and the upper Fang Gemo force can be applied to be large enough, so that the die clamping force output by the die clamping mechanism is better distributed above the space between the front template 8 and the rear template 6, thereby realizing larger die clamping force and improving the quality of products;
(3) By arranging the lower ejector rod 23 below the die assembly guide post 22, the connecting pivot of the front die plate 8 and the tail plate 7 is increased, the lower ejector rod 23 can provide balance force when the die is opened and closed, the driving assembly can effectively drive the front die plate and the rear die plate to move under the condition of outputting smaller power, so that the front die plate and the rear die plate can move more smoothly and more labor-saving, and the structure outside the front die plate 8 is simplified by arranging the die assembly locking mechanism 13 capable of moving up and down.
Example two
Referring to fig. 5 to 6, the mold locking device for blow molding of the present embodiment, which is a modification of the first embodiment, is different from the first embodiment in that: two mold locking structures 4 are arranged on the base 2.
The two mold locking structures 4 can be arranged, and the mold closing locking mechanisms 13 are arranged corresponding to the mold locking structures 4, so that the blow molding machine can open and close two groups of molds.
The frame 1 is provided with push-pull cylinders 19 which respectively drive the corresponding mold locking structures 4 to move along the transverse guide members 20, and the push-pull cylinders 19 drive the mold locking structures 1 to move to the middle or retract to the outer side.
The arrangement of the push-pull cylinder 19 and the transverse guide 20 allows the producer to use the two mold locking structures 4 alternately, thereby improving the yield, expanding the adaptation of the utility model and reducing the production cost.
Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.
Claims (10)
1. The utility model provides a mould locking device for blow molding, which is characterized in that, including frame (1) and mode locking structure (4) and compound die locking mechanism (13) of setting on frame (1), mode locking structure (4) include front mould board (8), back mould board (6), tailboard (7), slide (9), compound die guide pillar (22), lower ejector pin (23), drive assembly and horizontal direction piece (20), horizontal direction piece (20) set up on frame (1), slide (9) slide and set up on horizontal direction piece (20), compound die guide pillar (22) slidably set up on slide (9), front mould board (8) set firmly in compound die guide pillar (22) one end, tailboard (7) set firmly in compound die guide pillar (22) other end, back mould board (6) slide locate on compound die guide pillar (22) and lie in between tailboard (7) and front mould board (8), lower ejector pin (23) are located compound die guide pillar (22) below, front mould board (8) and tailboard (7) are connected and are connected downward and are used for moving tailboard (7) power take off (7), thereby the back template (6) moves relative to the front template (8) to realize the opening and closing of the mold; the die clamping locking mechanism (13) is arranged above the die clamping structure (4), and the die clamping locking mechanism (13) can be controlled to descend and be buckled above the tail plate (7) and the front template (8) before die clamping is completed, and ascend and be separated from the tail plate (7) and the front template (8) before die opening of the front template (8) and the tail plate (7).
2. The mold clamping device for blow molding according to claim 1, wherein a mold clamping locking mechanism (13) is provided with a lifting/lowering lever (15) and a cross member (18) extending from the tail plate (7) in the direction of the front mold plate (8), and the lever (15) is operatively lowered and locked above the tail plate (7) and the front mold plate (8) before the mold is completely clamped.
3. The mold clamping device for blow molding according to claim 1, further comprising a lifting device, wherein the lifting device is arranged above the mold clamping locking mechanism (13), the mold clamping locking mechanism (13) comprises a front limiting structure for fixing the front side of the front mold plate (8) and a rear limiting structure for fixing the rear side of the tail plate (7), and the lifting device is used for descending the mold clamping locking mechanism (13) above the front mold plate (8) and the tail plate (7) when the front mold plate (8) and the rear mold plate (6) are used for quickly combining the mold clamping, so that the front limiting structure and the rear limiting structure are respectively buckled above the front mold plate (8) and the tail plate (7).
4. A mould-locking device for blow moulding according to claim 3, characterized in that the front limit structure comprises a front clamping part (16) clamped with the front of the front mould plate (8), and the rear limit structure comprises a rear clamping part (17) clamped with the rear of the tail plate (7).
5. The mold clamping device for blow molding according to claim 4, wherein the front clamping portions (16) are provided on both sides of the front end of the mold clamping and locking mechanism (13), and the rear clamping portions (17) are provided on both sides of the rear end of the mold clamping and locking mechanism (13).
6. The mold locking device for blow molding according to claim 4, wherein two sides of the upper end of the front mold plate (8) are provided with locking plates (10) corresponding to the front locking parts (16), and the two locking plates (10) form a front support above and outside the front mold plate (8).
7. A mould-locking device for blow moulding according to claim 3, characterized in that the lifting device comprises a cylinder (14) or lifting drive, at least two cylinders (14) or lifting drives being provided, the two cylinders (14) or lifting drives being located above the front and rear parts of the mould-locking mechanism (13), respectively.
8. The mold locking device for blow molding according to claim 1, wherein the driving assembly comprises a synchronizing mechanism (11) and a mold locking cylinder (12), the mold locking cylinder (12) is arranged on the tail plate (7) and the output end of the mold locking cylinder is connected with the rear mold plate (6), the synchronizing mechanism (11) is arranged between the rear mold plate (6) and the tail plate (7), and the mold locking cylinder (12) controls the rear mold plate (6) and the front mold plate (8) to move in an abnormal synchronization mode through the synchronizing mechanism (11) so as to realize mold opening and closing.
9. The mold clamping device for blow molding according to claim 1, wherein one or two mold clamping structures (4) are provided, and the mold clamping locking mechanism (13) is provided corresponding to the mold clamping structures (4).
10. A mould-locking device for blow moulding according to claim 8, wherein the frame (1) is provided with push-pull cylinders (19) driving the respective mould-locking structure (4) along the transversal guides (20), the push-pull cylinders (19) driving the mould-locking structure (4) to move centrally or back to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321962535.8U CN220219634U (en) | 2023-07-24 | 2023-07-24 | Mode locking device for blowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321962535.8U CN220219634U (en) | 2023-07-24 | 2023-07-24 | Mode locking device for blowing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220219634U true CN220219634U (en) | 2023-12-22 |
Family
ID=89175152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321962535.8U Active CN220219634U (en) | 2023-07-24 | 2023-07-24 | Mode locking device for blowing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220219634U (en) |
-
2023
- 2023-07-24 CN CN202321962535.8U patent/CN220219634U/en active Active
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