CN217534124U - Material blanking device and production line - Google Patents
Material blanking device and production line Download PDFInfo
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- CN217534124U CN217534124U CN202221563255.5U CN202221563255U CN217534124U CN 217534124 U CN217534124 U CN 217534124U CN 202221563255 U CN202221563255 U CN 202221563255U CN 217534124 U CN217534124 U CN 217534124U
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Abstract
The utility model provides a material blanking device and a production line, wherein the material blanking device comprises a base; the guide post is obliquely arranged on the base; the rotating mechanism is used for driving the guide post to rotate around the axial direction of the guide post; the limiting structure is connected with the guide post and used for limiting at least one group of materials on the guide post in the direction perpendicular to the axial direction of the guide post; the blocking structure is arranged on the base, and at least one group of materials is limited on the guide column at one end of the guide column with the lower horizontal height; the discharge port is arranged on one side of the blocking structure of the base, and when the guide column rotates to a corresponding angle, the discharge port can be opposite to the position of the lower end of the material with the lowest horizontal position in the group of materials, so that a single material in the group of materials can be sequentially kept away from the blocking structure under the action of gravity to be discharged from the discharge port. The material blanking device can realize one-time feeding of multiple groups of materials through the rotary inclined blanking structure, and the blanking is not easy to clamp the materials; the operation space is saved; but the adaptation is to different size material loading and blanking.
Description
Technical Field
The utility model belongs to the technical field of the electrical apparatus automated production, more specifically says, relates to a material doffer who especially is suitable for strip material and use its production line.
Background
At present, in the factory automation production process of electronic products such as various household appliances, how to improve the automation degree of each production link and flow process so as to reduce the labor intensity of operators is required, and the improvement of the production efficiency is always a goal pursued in the industry. For various electrical components which need to be processed and manufactured in large quantity in the electrical appliance production, the performance of the blanking tool has great influence on the overall production efficiency of the electrical appliance.
In an automatic flow production line of an electrical appliance manufacturing factory at the present stage, a star-shaped blanking device is usually adopted in a blanking tool used by the automatic flow production line, the blanking device can only throw materials one by one from the upper part at each time, and in case of too many input materials, the materials are easy to block among a rotating part, an impeller and an air bag of a cavity in a shell of the blanking device, so that the blanking device is damaged, therefore, the blanking device can only throw the materials one by one automatically or manually, the operation is inconvenient, and the blanking efficiency is low.
Meanwhile, if manual feeding is adopted, an operator needs to continuously repeat the action of bending down and lowering the head to observe the feed inlet downwards in the feeding process, the action amplitude is large, the frequency is low, the operator is easy to fatigue for a long time, and the production efficiency is further reduced. In addition, the blanking device is particularly difficult to smoothly blank strip-shaped materials, such as packaging strips in electrical elements, and easily causes material clamping faults when blanking is easy. Furthermore, the blanking device has a larger and more complex structure, so the production field space occupied is large,
therefore, the technical problems that the blanking efficiency of the traditional blanking device for the electrical components is low and material blocking is easy to occur are urgently needed to be solved in the field.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the technical problem that current electrical components doffer blanking efficiency is low and easily take place the card material, provide a material doffer that is particularly suitable for strip material and use its production line.
For solving the above problem, the utility model discloses a technical scheme be:
the utility model provides a material doffer includes:
a base;
the guide post is obliquely arranged on the base;
the rotating mechanism is used for driving the guide post to rotate around the axial direction of the guide post;
the limiting structure is connected with the guide column and used for limiting at least one group of materials on the guide column in the direction perpendicular to the axial direction of the guide column;
the blocking structure is arranged on the base, and at least one group of materials is limited on the guide column at one end of the guide column with the lower horizontal height;
and the discharge port is arranged on one side of the blocking structure of the base, and when the guide post rotates to a corresponding angle, the discharge port can be opposite to the position of the lower end of the material with the lowest horizontal position in the group of materials, so that a single material in the group of materials is sequentially kept away from the blocking structure under the action of gravity to discharge from the discharge port.
Further, the guide post is equipped with the charge level of at least one slope, and limit structure is the feed inlet including connecting in at least one spacing frame of charge level both sides, the spacing frame of the higher one end of the level that is close to the guide post.
Preferably, the guide post is a polygonal column, and the side surface of the polygonal column is a discharge surface.
Preferably, the guide pillar is a triangular prism.
Preferably, the material discharging surface is provided with a pair of limiting frames at two ends along the axial direction of the guide post.
Preferably, the material is in the form of a column.
Furthermore, the device also comprises an adjusting mechanism which is arranged on at least one side of the limiting frame in the direction perpendicular to the axial direction of the guide post, and the position of the material in the limiting frame can be adjusted through the adjusting mechanism.
Further, the adjustment mechanism includes:
the adjusting screw rod penetrates through the side face of the limiting frame and can be abutted against the side face of the material, and the butterfly nut is arranged at one end of the adjusting screw rod, which extends out of the limiting frame.
Preferably, when N groups of materials are arranged on the guide column and N is more than 1, each group of materials in the N-1 groups of materials are connected into a whole through a connecting structure.
Preferably, the blocking structure is a baffle.
Further, the base includes:
the bottom plate is arranged on the bracket which is arranged opposite to the blocking structure;
one end of the rotating mechanism is installed on the support through a fixing pin, and the other end of the rotating mechanism is connected with one end, with the higher horizontal height, of the guide column.
Further, spacing frame includes:
and the transverse plates are parallel to the side surfaces of the polygonal columns and perpendicular to the axial direction of the polygonal columns, the pair of end plates are respectively and correspondingly arranged at the two ends of the transverse plates, and the tail ends of the end plates, far away from the transverse plates, are fixedly arranged on the side surfaces of the polygonal columns.
The utility model also provides a production line has adopted foretell material doffer to carry out the blanking to the material.
Compared with the prior art, the utility model provides a material doffer has following beneficial effect: through the cooperation of the rotary inclined blanking structure with the plurality of limiting frames, the material adjusting mechanism, the baffle plate and the discharge hole thereof, multiple groups of materials can be fed at one time, the blanking is not easy to clamp the materials, and through production practice, the feeding frequency of the materials can be reduced by at least 20 times every day for strip-shaped materials such as packaging strips, so that the production efficiency is obviously improved; the space occupied by operation can be saved relative to a flat traditional tool, and through production practice, the material blanking device occupies a table top, and the installation area of a square meter of at least 0.015 can be saved relative to the traditional tool; the limiting frame adopts butterfly nuts to match with the adjusting screw rods of the rod parts with different sizes, so that feeding and blanking of materials with different sizes can be realized, and the universality is improved.
Drawings
Fig. 1 is a first schematic view of an assembly structure of an embodiment of a material blanking device provided by the present invention;
fig. 2 is a schematic view of an assembly structure of an embodiment of the material blanking device according to the present invention.
Wherein, in the drawings, the reference numerals are mainly as follows:
1. a base; 11. a base plate; 12. a support; 121. a hanger; 2. a guide post; 21. a cylindrical body; 22. a feeding end; 23. a blanking end; 24. a discharging surface; 3. a rotation mechanism; 31. a rotation driving unit; 32. a fixing pin; 4. a limiting frame; 41. a transverse plate; 42. an end plate; 5. feeding; 6. a barrier structure; 61. a baffle plate; 7. a discharge port; 8. an adjustment mechanism; 81. adjusting the screw rod; 82. butterfly nut.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings 1-2 and the embodiments.
Referring to fig. 1-2, the present invention provides a material blanking device, comprising: a base 1; the guide post 2 is obliquely arranged on the base 1; the rotating mechanism 3 is used for driving the guide post 2 to rotate around the axial direction of the guide post; the limiting structure is connected to the guide post 2, rotates along with the guide post 2 and is used for limiting at least one group of materials 5 on the guide post 2 in the direction perpendicular to the axial direction of the guide post 2; the blocking structure 6 is arranged on the base 1, and at least one group of materials 5 is limited on the guide column 2 at the lower end of the guide column 2 in the horizontal height; and the discharge port 7 is arranged on one side of the blocking structure 6 of the base 1, and when the guide column 2 rotates to a corresponding angle, the discharge port can be opposite to the position of the lower end of the material 5 with the lowest horizontal position in the group of materials 5, so that the single material 5 in the group of materials 5 can be sequentially separated from the blocking structure 6 under the action of gravity to be discharged from the discharge port 7.
In the present embodiment, the base 1 includes: the device comprises a horizontally arranged bottom plate 11, wherein the bottom plate 11 preferably adopts a rectangular bottom plate 11, and as an implementation mode, the middle part of the rectangular bottom plate 11 is provided with a hollow structure for saving materials and reducing the whole weight of the device; the support 12 is arranged at one end of the rectangular base 1 in the length direction, and the blocking structure 6 is arranged at the other end of the rectangular base 1 opposite to the support 12 in the length direction. The support 12 preferably adopts a vertical plate perpendicular to the base 1, and can also adopt a frame structure vertically arranged on the base 1; in one embodiment, a reinforcing triangle parallel to the longitudinal direction of the base 1 is connected between the vertical plate and the base 1. In this embodiment, the blocking structure 6 is a baffle 61 disposed at the other end of the rectangular base 1 opposite to the bracket 12 in the length direction, and the discharge port 7 is a triangular passage opening defined between an inclined plate disposed on the bottom plate 11 and connected to one side of the baffle 61 and the bottom plate 11.
In the present embodiment, the rotation mechanism 3 includes: the rotary driving unit 31 is arranged on the upper portion of the support 12 and faces the inner side of the baffle 61 and is used for driving a rotary piece to rotate along the axial direction of the rotary piece, one end, with the higher horizontal height, of the guide column 2 along the axial direction of the guide column is fixedly connected with the rotary piece, and the other end, along the axial direction, of the guide column 2 is rotatably connected with a bearing arranged on the baffle 61. In a preferred embodiment, the rotary driving unit 31 is a motor, the rotary member is preferably an output shaft of the motor, and one end of the motor is fixedly mounted on the hanger 121 facing the inner side of the baffle 61 on the upper portion of the bracket 12 by a fixing pin 32. In other embodiments, the rotary drive unit 31 may also employ a rotary cylinder, and the rotary member is an output member of the rotary cylinder.
In this embodiment, the guide post 2 is provided with at least one inclined discharge surface 24, the limiting structure comprises at least one limiting frame 4 connected to two sides of the discharge surface 24, the limiting frame 4 close to the end of the guide post 2 with the higher horizontal height is a feed port, and the feed port is aligned to the discharge port 7 along the axial direction of the guide post 2. As an embodiment, the guide post 2 is a polygonal column, and the side surface of the polygonal column is a discharge surface 24. As a more preferable embodiment, the limiting structure comprises a pair of limiting frames 4 connected to both sides of each discharge surface 24 (lateral surface of the polygonal column) of the polygonal column, i.e. two sets of limiting frames 4 are arranged at intervals along the axial direction of the guide column 2. In other embodiments, three or more sets of the limiting frames 4 are provided at intervals in the axial direction of the guide post 2. As a more preferable embodiment, the guide column 2 is a triangular prism, and each group of the limiting frames 4 includes three limiting frames 4 respectively correspondingly disposed on three side surfaces of the triangular prism.
In this embodiment, when N groups of materials 5 are disposed on the guide post 2, and N is greater than 1, each group of materials 5 in the N-1 groups of materials 5 is connected into a whole through a connecting structure, that is, when a plurality of groups of materials 5 are disposed on the guide post 2, except that the group of materials 5 facing the discharge port 7 needs to be disassembled before discharging to unlock the group of materials 5, the other groups of materials 5 all remain the connecting structure. In a preferred embodiment, the plurality of materials 5 form the group of materials 5, one end of the group of materials 5 close to the baffle 61 is sleeved with the connecting structure, and the connecting structure is a blocking plug (not shown in the figure) for locking the group of materials 5 on the guide column 2 through the blocking plug when the discharge port 7 is aligned with each group of materials 5, if blanking is not needed, and if blanking is needed, the blocking plug is pulled out in advance to unlock the group of materials 5.
As a preferred embodiment, the position limiting frame 4 includes: a transverse plate 41 parallel to the discharge surface 24 (the side surface of the polygonal column) and perpendicular to the axial direction of the polygonal column, wherein a pair of end plates 42 are respectively and correspondingly arranged at two ends of the transverse plate 41, and the tail ends of the end plates 42 far away from the transverse plate 41 are fixedly arranged on the side surface of the polygonal column. A limiting structure which is surrounded by four sides and has two open ends is enclosed between the limiting frame 4 and the material placing surface 24; wear to locate one or more material 5 between spacing frame 4 and guide post 2, by 2 lateral surfaces of guide post respectively in four axial spatial degree of freedom directions of perpendicular to guide post 2, the three inboard surface of spacing frame 4 corresponds spacingly, it is spacing through baffle 61 in 2 lateral surfaces gliding spatial degree of freedom directions of guide post in the axial of guide post 2 for material 5, it is spacing to rely on the gradient and the action of gravity of guide post 2 in 2 lateral surfaces gliding spatial degree of freedom directions of guide post in the axial of guide post 2 along 2 lateral surfaces of guide post upwards.
When the limiting frame 4 corresponding to the outer side surface of the guide post 2 rotates to the blanking station opposite to the discharge port 7 along the axial direction of the guide post 2 along with the guide post 2, the plurality of materials 5 which are opposite to the discharge port 7 and penetrate between the limiting frame 4 and the outer side surface of the guide post 2 are inclined downward from the feeding end 22 far away from the discharge port 7 to the blanking end 23 close to the discharge port 7 by utilizing the outer side surface of the guide post 2 and the inclined plane gradient vertical to the axial direction of the side surface of the guide post 2, and the materials slide downward along the guide post 2 one by one and are led out from the discharge port 7 to the material collecting device.
In this embodiment, the material 5 is a columnar or strip material 5, and further includes: the adjusting mechanism 8 is arranged on at least one side of the limiting frame 4 in the direction perpendicular to the axial direction of the guide column 2 and used for adjusting the positions of the materials 5 with different sizes between the limiting frame 4 and the material containing surface 24 of the guide column 2 so as to adapt to the materials 5 with different sizes and align to the material outlet 7. As an embodiment, the adjustment mechanism 8 includes: the adjusting screw 81 penetrates through the side face of the limiting frame 4 and can abut against the side face of the material 5, the adjusting screw 81 is installed on the end plate 42 through the matching of external threads of the rod part and internal threads of a screw hole formed in the end plate 42, the butterfly nut 82 is arranged at one end, extending out of the limiting frame 4, of the adjusting screw 81, the butterfly nut 82 is provided with at least one installation piece capable of being pulled by a person, the adjusting screw 81 extends into the rod part, close to or far away from the material 5 under the driving of pulling the rotating butterfly nut 82, so as to adjust the relative positions of the materials 5 penetrating in the limiting frame 4, and the positions of the materials 5 with different sizes in the limiting frame 4 can be adjusted to be aligned with the discharge port 7 in an adaptive mode. In a preferred embodiment, the adjusting mechanism 8 includes a pair of adjusting screws 81 and butterfly nuts 82 respectively provided on the end plates 42 on the opposite sides of the position-limiting frame 4.
In one embodiment, the guide post 2 is a polygonal column, the middle of the polygonal column is a cylindrical main body 21, the cylindrical main body 21 divides the polygonal column into a pair of end parts along the axial direction of the polygonal column in the middle of the polygonal column, the end parts are preferably integrally formed with the cylindrical main body 21, or an independent end part can be sleeved on the cylindrical main body 21; one end of one end part close to the bracket 12 far away from the baffle plate 61 forms a feeding end 22, one end of the other end part close to the baffle plate 61 far away from the bracket 12 forms a blanking end 23, and the feeding end 22 is higher than the blanking end 23, so that the guide post 2 integrally takes an inclined posture with the feeding end 22 higher and the blanking end 23 lower and an inclined angle relative to the horizontal plane (the bottom plate 11). Be provided with two sets of spacing frames 4 along the axial interval of guide post 2, every spacing frame 4 of every group is including locating a plurality of spacing frames 4 of every correspondence charge level 24 of the polygon prism of one of them tip respectively, material 5 is from constituting a set of spacing frame 4 material loading of the tip of material loading end 22 and from last down passing this group of spacing frame 4 to slide down along the polygon prism charge level 24 of guide post 2, penetrate until from the top of constituting another group of spacing frame 4 of material unloading end 23, the lower extreme butt of material 5 realizes axially spacingly in baffle 61 at last. In other embodiments, the outer side surface of the guide post 2 may be formed in a polygonal column as a whole, and the cylindrical body 21 and the pair of end portions need not be provided.
Use and adopt material 5 as the encapsulation strip for the example, the utility model provides a 5 doffers of material's theory of operation as follows:
firstly, the feeding operation is carried out, an operator feeds a material 5 group containing a plurality of materials 5 from a corresponding limiting frame 4 of one triangular prism side surface (a discharging surface 24) of a group of three limiting frames 4 forming the end part of a feeding end 22, the materials 5 pass through the limiting frames 4 from top to bottom and slide downwards along the triangular prism side surfaces of guide pillars 2 until the materials penetrate through from the upper part of one limiting frame 4 of the other group of three limiting frames 4 forming a discharging end 23, finally, the lower end of the material 5 is abutted against a baffle 61 to realize axial limiting, and the like, the plurality of materials 5 are fed in the pair of limiting frames 4 (the feeding quantity is determined according to the sizes of the materials 5 and the limiting frames 4, in this embodiment, two materials 5 can be fed into each pair of limiting frames 4 at a time, and in actual production, one piece of packaging strip can be fed into each pair of limiting frames 4 at a time, and then three pairs of limiting frames 4 can be fed into three sets of packaging strips in total), during the feeding process, an operator pulls the butterfly nut 82 to drive the rod part to rotate inwards or outwards relative to the limiting frames 4, so that the tail end of the rod part is close to or far away from the nearest material 5 to give way for the new material 5, and the position of the material 5 in the limiting frames 4 is adjusted, so that the materials 5 with different sizes can be adapted and adjusted to the position right facing the discharge port 7. In the same way, the other two pairs of limiting frames 4 are loaded in the same manner until all the three groups of materials 5 in the three pairs of limiting frames 4 are loaded in the corresponding limiting frames 4.
Next, blanking operation is performed, an operator pulls out a blocking plug which is arranged at one end of a material 5 group formed by three groups of materials 5 and close to a baffle 61 in sequence, switches all the material 5 groups in the three pairs of limiting frames 4 into an unlocking state, then the operator directly starts a motor to drive a guide post 2 to fixedly rotate by a certain angle, so that the limiting frames 4 corresponding to the side surfaces of a pair of triangular posts facing upwards rotate downwards until the limiting frames reach a blanking station facing a discharge port 7, at the moment, the slope of the downward slope from a feeding end 22 far away from the discharge port 7 to a blanking end 23 close to the discharge port 7 is utilized by the side surfaces of the triangular posts 2, the material 5 which is positioned at the lowest position in the pair of limiting frames 4 and faces the discharge port 7 slides downwards along the guide post 2 and is led out from the discharge port 7 to an aggregation device, then the slope of the side surfaces of the guide post 2 perpendicular to the axial direction is utilized to automatically slide the material 5 above to the blanking station, and the blanking operation is repeated until all the materials 5 in the pair of limiting frames 4 are blanked one by one.
If the pair of limiting frames 4 cannot be blanked when being positioned at a blanking station over against the discharge port 7 after the rotation is stopped, it can be known that the materials 5 in the pair of limiting frames 4 are not positioned at the position over against the discharge port 7 due to the size, an operator pulls the butterfly nut 82 corresponding to the limiting frame 4 to drive the rod part to be screwed in or out relative to the limiting frame 4, so that the tail end of the rod part is in contact with the nearest materials 5, positions of material 5 groups consisting of a plurality of materials 5 in the limiting frame 4 are adjusted until the lowermost material 5 smoothly passes through the discharge port 7 to be blanked, and then all the materials 5 in the pair of limiting frames 4 are blanked one by one in the above-mentioned manner.
After finishing the blanking operation of the group of materials 5 in the pair of limiting frames 4, starting the motor by an operator to drive the guiding column 2 to continue rotating until the pair of limiting frames 4 corresponding to the other pair of triangular prism side surfaces adjacent to the previous pair of triangular prism side surfaces reaches the blanking station facing the discharge port 7, finishing the blanking of all the materials 5 in the pair of limiting frames 4 one by one in the above mentioned manner, so as to finish the blanking of the corresponding group of materials 5 in the three pairs of limiting frames 4 of the three pairs of triangular prism side surfaces of the guiding column 2 in sequence, and finally waiting until the next round returns to the feeding process and circularly starts the next round of blanking operation.
The utility model also provides a production line has adopted foretell 5 doffers of material to carry out the blanking to material 5. As a preferred embodiment, the mass 5 is an electrical component. In a preferred embodiment, the material 5 is a strip-shaped electrical component material 5 such as a package strip used in a household electrical appliance such as an air conditioner and a refrigerator.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (13)
1. The utility model provides a material doffer which characterized in that includes:
a base;
the guide post is obliquely arranged on the base;
the rotating mechanism is used for driving the guide post to rotate around the axial direction of the guide post;
the limiting structure is connected with the guide column and used for limiting at least one group of materials on the guide column in the direction perpendicular to the axial direction of the guide column;
the blocking structure is arranged on the base, and at least one group of materials is limited on the guide column at one end of the guide column with the lower horizontal height;
and the discharge port is arranged on one side of the blocking structure of the base, and when the guide post rotates to a corresponding angle, the discharge port can be opposite to the position of the lower end of the material with the lowest horizontal position in the group of materials, so that a single material in the group of materials is sequentially kept away from the blocking structure under the action of gravity to discharge from the discharge port.
2. The material blanking device of claim 1, wherein the guide post is provided with at least one inclined blanking surface, the limiting structure comprises at least one limiting frame connected to two sides of the blanking surface, and the limiting frame close to the end of the guide post with the higher horizontal height is a feeding port.
3. The material blanking device of claim 2, wherein the guide post is a polygonal prism, and the side surface of the polygonal prism is a material discharge surface.
4. The material blanking device of claim 3, wherein the guide pillar is a triangular prism.
5. The material blanking device of claim 2, wherein the material blanking surface is provided with a pair of limiting frames at two ends along the axial direction of the guide post.
6. The material blanking device of claim 2 wherein the material is in the shape of a column.
7. The material blanking device of claim 2 further comprising an adjusting mechanism disposed on at least one side of the limiting frame in a direction perpendicular to the axial direction of the guide post, wherein the position of the material in the limiting frame can be adjusted by the adjusting mechanism.
8. The material dropping device according to claim 7, wherein the adjusting mechanism comprises:
the adjusting screw rod penetrates through the side face of the limiting frame and can be abutted against the side face of the material, and the butterfly nut is arranged at one end of the adjusting screw rod, which extends out of the limiting frame.
9. The material dropping device according to claim 2, wherein when N groups of materials are provided on the guide post and N is greater than 1, each group of materials in the N-1 groups of materials is connected into a whole by a connecting structure.
10. The material blanking device of claim 1, wherein the blocking structure is a baffle.
11. The material blanking device of claim 1, wherein the base comprises:
the bottom plate is arranged on the bracket which is arranged opposite to the blocking structure;
one end of the rotating mechanism is arranged on the support through a fixing pin, and the other end of the rotating mechanism is connected with the higher end of the guide column in horizontal height.
12. The material blanking device of claim 3, wherein the limiting frame comprises:
the transverse plates are parallel to the lateral surfaces of the polygonal column and perpendicular to the axial direction of the polygonal column, the pair of end plates are respectively arranged at two ends of the transverse plates correspondingly, and the tail ends of the end plates far away from the transverse plates are fixedly arranged on the lateral surfaces of the polygonal column.
13. A production line, characterized in that a material blanking device according to any one of claims 1-12 is used for blanking materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221563255.5U CN217534124U (en) | 2022-06-21 | 2022-06-21 | Material blanking device and production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221563255.5U CN217534124U (en) | 2022-06-21 | 2022-06-21 | Material blanking device and production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217534124U true CN217534124U (en) | 2022-10-04 |
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ID=83419375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221563255.5U Active CN217534124U (en) | 2022-06-21 | 2022-06-21 | Material blanking device and production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217534124U (en) |
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2022
- 2022-06-21 CN CN202221563255.5U patent/CN217534124U/en active Active
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