CN216989737U - Punching and rivet pulling device for cold storage door production line - Google Patents
Punching and rivet pulling device for cold storage door production line Download PDFInfo
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- CN216989737U CN216989737U CN202123284850.3U CN202123284850U CN216989737U CN 216989737 U CN216989737 U CN 216989737U CN 202123284850 U CN202123284850 U CN 202123284850U CN 216989737 U CN216989737 U CN 216989737U
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Abstract
The utility model relates to a punching and rivet pulling device for a cold storage door production line, which has the technical scheme that: the method comprises the following steps: the cold storage door base plate punching device comprises a rack, a conveying guide rail, a conveying mechanism for moving the cold storage door base plate, a punching mechanism for punching the cold storage door base plate, a rivet pulling mechanism for installing rivet nuts on the cold storage door base plate and performing rivet pulling, a switching mechanism for switching the punching mechanism and the rivet pulling mechanism, and a driving mechanism for driving the punching mechanism and the rivet pulling mechanism to move; the transportation guide rail is arranged on the rack; the conveying mechanism is slidably arranged on the conveying guide rail; the punching mechanism is arranged on the switching mechanism; the rivet pulling mechanism is arranged on the switching mechanism; the switching mechanism is arranged on the driving mechanism; the driving mechanism is arranged on the rack; this application has the advantage that can improve cold storage door production efficiency and machining precision.
Description
Technical Field
The utility model relates to the technical field of cold storage door production equipment, in particular to a punching and riveting device for a cold storage door production line.
Background
Along with the continuous improvement of the living standard of people, the demand on cold chain logistics is more and more, and the demand on cold storage doors is also continuously increased. Because different refrigeratory can not realize standardization and unification to the demand of cold storage door specification, the specification demand of cold storage door needs the customization, therefore produced the customization industry of non-standard cold storage door.
The degree of automation that is engaged in nonstandard cold storage door customization at present is lower, adopts manual processing's mode to carry out the preparation of cold storage door usually, and in the punching and rivet-pulling stage of cold storage door, need divide into two stations and operate, punches the back to the cold storage door earlier promptly, removes the cold storage door to rivet-pulling station and carry out the rivet-pulling, and this kind of production mode inefficiency, and the machining precision is lower, can not satisfy the production demand.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the punching and riveting device for the cold storage door production line, which has the advantage of improving the production efficiency and the machining precision of the cold storage door.
The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a device is riveted to punching of refrigeration house door production line, includes: the cold storage door base plate punching mechanism comprises a rack, a conveying guide rail, a conveying mechanism used for moving the cold storage door base plate, a punching mechanism used for punching the cold storage door base plate, a rivet pulling mechanism used for installing a rivet nut on the cold storage door base plate and carrying out rivet pulling, a switching mechanism used for switching the punching mechanism and the rivet pulling mechanism, and a driving mechanism used for driving the punching mechanism and the rivet pulling mechanism to move; the transportation guide rail is arranged on the rack; the conveying mechanism is slidably arranged on the conveying guide rail; the punching mechanism is arranged on the switching mechanism; the rivet pulling mechanism is arranged on the switching mechanism; the switching mechanism is arranged on the driving mechanism; the driving mechanism is arranged on the frame.
Optionally, the switching mechanism includes: the switching motor is connected with the connecting plate; the speed reducer is arranged on the driving mechanism; the output end of the switching motor is fixed with the input end of the speed reducer; the output end of the speed reducer is fixed in the middle of the connecting plate; one end of the connecting plate is fixed with the rivet pulling mechanism, and the other end of the connecting plate is fixed with the punching mechanism.
Optionally, the driving mechanism includes: a translation assembly and a height adjustment assembly; the translation assembly is arranged on the frame; the height adjusting assembly is arranged at the output end of the translation assembly; the output end of the height adjusting assembly is fixed with the switching mechanism.
Optionally, the translation assembly includes: the device comprises a translation motor, a connecting frame, a translation gear and a translation rack; a translation sliding rail is arranged on the rack; the connecting frame is connected with the translation sliding rail in a sliding manner; the translation motor is arranged on the connecting frame; the translation gear is arranged at the output end of the translation motor; the translation rack is arranged on the translation sliding rail; the translation gear is meshed with the translation rack; the height adjusting assembly is arranged on the connecting frame.
Optionally, the height adjustment assembly includes: a first rodless cylinder; the first rodless cylinder is arranged on the switching mechanism; the output end of the first rodless cylinder is fixed with the connecting frame.
Optionally, the transportation mechanism includes: the device comprises a placing rack for placing a cold storage door substrate, a driving unit for driving the placing rack to move on a transportation guide rail, and a clamping unit for clamping the cold storage door substrate on the placing rack; the driving unit is arranged on the transportation guide rail; the placing frame is arranged at the output end of the driving mechanism; the clamping mechanism is arranged on the placing frame; the placing rack is slidably arranged on the conveying guide rail.
Optionally, the clamping unit includes: the device comprises a first clamping assembly, a second clamping assembly, a third clamping assembly and a fourth clamping assembly, wherein the first clamping assembly is used for clamping one side of a base plate of the refrigeration house door, the second clamping assembly is used for clamping the other side of the base plate of the refrigeration house door, the third clamping assembly is used for clamping one end of the base plate of the refrigeration house door, and the fourth clamping assembly is used for clamping the other end of the base plate of the refrigeration house door; the first clamping assembly, the second clamping assembly, the third clamping assembly and the fourth clamping assembly are all installed on the placing frame.
Optionally, the first clamping assembly comprises: a second rodless cylinder and a fixed chuck; the second rodless cylinder is arranged on the placing frame; the fixed chuck is arranged on the output end of the second rodless cylinder.
Optionally, the second clamping assembly comprises: a third rodless cylinder and a movable chuck; the third rodless cylinder is arranged on the placing frame; the movable chuck is arranged on the output end of the third rodless cylinder.
Optionally, the movable clamp includes: the clamping device comprises a supporting plate, a second clamping block and a clamping cylinder for driving the second clamping block to rotate; the support plate is arranged on the output end of the third rodless cylinder; the clamping cylinder is arranged on the supporting plate; the second fixture block is arranged at the output end of the clamping cylinder.
In conclusion, the utility model has the following beneficial effects: when needs punch the riveting operation to cold storage door base plate, remove cold storage door base plate and make the position of waiting to punch on the cold storage door base plate be located the corresponding position through transport mechanism, it removes to the corresponding position to punch the mechanism and rivet the mechanism through the actuating mechanism drive, and make earlier the mechanism of punching punch the back to cold storage door base plate, it switches to the top of the hole of punching the mechanism and play through switching mechanism to rivet the mechanism, and carry out the riveting to the interior installation riveting nut of hole, thereby the quick riveting operation that punches, and in operation process, because cold storage door base plate position is static relatively, so when punching the riveting, the relative position is more accurate, and can improve production efficiency.
Drawings
FIG. 1 is an assembly view of the present invention;
FIG. 2 is an enlarged schematic view of A in FIG. 1;
fig. 3 is an enlarged schematic view of B in fig. 1.
In the figure: 1. a frame; 2. a transport rail; 31. placing a rack; 32. a drive unit; 331. a second rodless cylinder; 332. fixing the chuck; 333. a third rodless cylinder; 3341. a support plate; 3342. a second fixture block; 3343. a clamping cylinder; 335. a third clamping assembly; 336. a fourth clamping assembly; 4. a punching mechanism; 5. a rivet pulling mechanism; 6. a switching mechanism; 61. a connecting plate; 62. switching the motors; 63. a speed reducer; 7. a drive mechanism; 711. a translation motor; 712. a connecting frame; 72. a height adjustment assembly; 8. and (6) translating the sliding rail.
Detailed Description
In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, configuration, and operation, and therefore should not be construed as limiting the present invention.
The utility model is described in detail below with reference to the figures and examples.
The utility model provides a punching and riveting device for a cold storage door production line, which comprises the following components as shown in figures 1-3: the cold storage door base plate punching device comprises a rack 1, a conveying guide rail 2, a conveying mechanism used for moving a cold storage door base plate, a punching mechanism 4 used for punching the cold storage door base plate, a rivet pulling mechanism 5 used for installing a rivet nut on the cold storage door base plate and performing rivet pulling, a switching mechanism 6 used for switching the punching mechanism 4 and the rivet pulling mechanism 5, and a driving mechanism 7 used for driving the punching mechanism 4 and the rivet pulling mechanism 5 to move; the transport guide rail 2 is arranged on the rack 1; the transportation mechanism is slidably arranged on the transportation guide rail 2; the punching mechanism 4 is arranged on the switching mechanism 6; the rivet pulling mechanism 5 is arranged on the switching mechanism 6; the switching mechanism 6 is arranged on the driving mechanism 7; the driving mechanism 7 is arranged on the frame 1. When needs punch the rivet operation to cold storage door base plate, remove cold storage door base plate and make the waiting position of punching on the cold storage door base plate be in corresponding position back through transport mechanism, drive mechanism 7 drive punching mechanism 4 and rivet mechanism 5 through the actuating mechanism and remove to corresponding position, and make punching mechanism 4 punch the back to cold storage door base plate earlier, through switching mechanism 6 with rivet mechanism 5 switch to the top of the hole of punching mechanism 4 and rivet the interior installation rivet nut of hole and carry out the rivet, thereby the quick rivet operation that punches, and in operation process, because cold storage door base plate position is static relatively, so when punching the rivet, relative position is more accurate, and can improve production efficiency. In practical application, the punching mechanism 4 is a punching machine, and the rivet pulling mechanism 5 is a rivet nut gun.
Further, the switching mechanism 6 includes: a connecting plate 61, a switching motor 62 and a speed reducer 63; the speed reducer 63 is arranged on the driving mechanism 7; the output end of the switching motor 62 is fixed with the input end of the speed reducer 63; the output end of the speed reducer 63 is fixed in the middle of the connecting plate 61; one end of the connecting plate 61 is fixed with the rivet pulling mechanism 5, and the other end is fixed with the punching mechanism 4. Through switching motor 62 and reduction gear 63, conveniently drive connecting plate 61 and rotate, reduction gear 63 in this embodiment is the worm gear speed reducer.
Optionally, the driving mechanism 7 includes: a translation assembly and height adjustment assembly 72; the translation assembly is arranged on the rack 1; the height adjusting assembly 72 is arranged at the output end of the translation assembly; the output end of the height adjusting assembly 72 is fixed to the switching mechanism 6. Because transport mechanism can only drive cold storage door base plate back-and-forth movement, and to the cold storage door of equidimension not, mechanism 4 and rivet pulling mechanism 5 of punching also need remove according to its width, so lead to the translation subassembly drive mechanism 4 and rivet pulling mechanism 5 of punching and remove, and through height-adjusting subassembly 72 to mechanism 4 and rivet pulling mechanism 5's height of punching adjust, in order can make things convenient for the operation when the operation, after the operation is accomplished, improve mechanism 4 and rivet pulling mechanism 5 of punching, avoid mechanism 4 and rivet pulling mechanism 5 and transport mechanism collision of punching.
Optionally, the translation assembly comprises: a translation motor 711, a connecting frame 712, a translation gear and a translation rack; a translation slide rail 8 is arranged on the rack 1; the connecting frame 712 is connected with the translation sliding rail 8 in a sliding manner; the translation motor 711 is mounted on the connection frame 712; the translation gear is arranged at the output end of the translation motor 711; the translation rack is arranged on the translation slide rail 8; the translation gear is meshed with the translation rack; the height adjusting assembly 72 is disposed on the connecting frame 712. When the punching mechanism 4 and the rivet pulling mechanism 5 need to be translated, the translation motor 711 drives the translation gear to rotate, and the translation gear is meshed with the translation rack, so that the connecting frame 712 slides on the translation sliding rail 8, and the punching mechanism 4 and the rivet pulling mechanism 5 are driven to translate.
Further, the height adjusting assembly 72 includes: a first rodless cylinder; the first rodless cylinder is arranged on the switching mechanism 6; the output end of the first rodless cylinder is fixed to the connecting frame 712. Through a rodless cylinder, the switching mechanism 6 can be driven to integrally move up and down, so that the punching mechanism 4 and the rivet pulling mechanism 5 are driven to move up and down.
Further, the transport mechanism includes: the device comprises a placing frame 31 for placing the substrate of the refrigeration house door, a driving unit 32 for driving the placing frame 31 to move on the transportation guide rail 2, and a clamping unit for clamping the substrate of the refrigeration house door on the placing frame 31; the drive unit 32 is arranged on the transport rail 2; the placing frame 31 is arranged at the output end of the driving mechanism 7; the clamping mechanism is arranged on the placing frame 31; the rack 31 is slidably disposed on the transport rail 2. Place the cold storage door base plate on rack 31 earlier, then fixed all around with the cold storage door through clamping unit, then move on transportation guide rail 2 through drive unit 32 drive rack 31, can transport the cold storage door and punch mechanism 4 and rivet 5 departments of mechanism and process, and in the course of working, the cold storage door relatively fixed can avoid the cold storage door to collide with the external world or produce the skew and lead to the machining precision to reduce.
Further, the clamping unit includes: the first clamping assembly is used for clamping one side of the base plate of the refrigeration house door, the second clamping assembly is used for clamping the other side of the base plate of the refrigeration house door, the third clamping assembly 335 is used for clamping one end of the base plate of the refrigeration house door, and the fourth clamping assembly 336 is used for clamping the other end of the base plate of the refrigeration house door; the first clamping assembly, the second clamping assembly, the third clamping assembly and the fourth clamping assembly are all installed on the placing frame 31. The periphery of the cold storage door substrate is clamped through the first clamping assembly, the second clamping assembly, the third clamping assembly and the fourth clamping assembly respectively, and the cold storage door substrate is clamped on the placing frame 31.
Further, the first clamping assembly comprises: a second rodless cylinder 331 and a fixed clamp 332; the second rodless cylinder 331 is disposed on the placing frame 31; the fixed clamp 332 is disposed on the output end of the second rodless cylinder 331. In practical application, the third clamping assembly 335, the fourth clamping assembly 336 and the first clamping assembly have the same structure, and all adopt the fixed clamp 332; when the cold storage door substrate is clamped, the second rodless cylinder 331 is started to drive the fixed chuck 332 to move on the second rodless cylinder 331 along with the output end of the second rodless cylinder 331, and therefore cold storage door substrates of different sizes can be clamped. Wherein the fixed collet 332 includes: the fixing frame and the first clamping block; the fixed frame is arranged on the output end of the second rodless cylinder 331; the first clamping block is fixed on the fixing frame.
Further, the second clamping assembly comprises: a third rodless cylinder 333 and a movable chuck; the third rodless cylinder 333 is arranged on the placing frame 31; the movable clamp is arranged on the output end of the third rodless cylinder 333. When the refrigeration house door substrate is clamped, the third rodless cylinder 333 is started to drive the movable chuck to move on the third rodless cylinder 333 along with the output end of the third rodless cylinder 333, and therefore the refrigeration house door substrates of different sizes can be clamped.
Further, the movable clamp includes: the supporting plate 3341, the second fixture block 3342 and the clamping cylinder 3343 for driving the second fixture block 3342 to rotate; the support plate 3341 is disposed on the output end of the third rodless cylinder 333; the clamp cylinder 3343 is disposed on the support plate 3341; the second block 3342 is provided on an output end of the clamping cylinder 3343. After the machining is finished, the refrigeration house door base plate needs to be pushed out, so that the refrigeration house door base plate is convenient to push out, the second fixture block 3342 is arranged on the clamping cylinder 3343, and when the refrigeration house door base plate needs to be clamped, the clamping cylinder 3343 drives the second fixture block 3342 to rotate and enables the second fixture block 3342 to clamp the refrigeration house door base plate; when the cold storage door base plate needs to be pushed out, the clamping cylinder 3343 drives the second clamping block 3342 to rotate, so that the cold storage door base plate can be pushed out through one side where the second clamping block 3342 is located.
In practical applications, the driving unit 32 includes: a driving motor, a gear and a rack; the driving motor is arranged on the placing rack 31; the gear is arranged on an output shaft of the driving motor; the rack is arranged on the transport guide rail 2; the gear is meshed with the rack. In practical application, the driving motor is a servo motor, and the rack can be driven to move along the conveying guide rail 2 through the rotation of the driving gear of the driving motor and the meshing action of the gear and the rack; and the servo motor is electrically connected with the control unit, so that the moving distance of the cold storage door substrate can be conveniently controlled.
The rack 31 includes: a mounting rack and a placing panel; the placing panel is arranged on the mounting rack; the mounting bracket is arranged at the output end of the driving unit 32; the clamping unit is arranged on the mounting frame; the placing panel is provided with a yielding groove for the clamping unit to move. Because the size difference of freezer leads to the size of cold storage door also different, in order to guarantee that the cold storage door homoenergetic of equidimension not can press from both sides tightly and placing the panel, and can stably transport, make the expansion end of clamping unit can remove to placing within the panel through the groove of stepping down, in practical application, place the panel and can guarantee steadily placing of the cold storage door of maximum size, and the less cold storage door of size moves to the inslot of stepping down at the expansion end of clamping unit and can make the cold storage door press from both sides the clamping unit and press from both sides tightly and place the panel.
And a plurality of bull-eye balls are arranged on the placing panel. The setting of bull's eye ball can make things convenient for the removal of refrigeration house door on placing the panel.
The punching and riveting device for the cold storage door production line can improve the production efficiency and the machining precision of the cold storage door.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (10)
1. The utility model provides a device is riveted to punching of cold storage door production line, its characterized in that includes: the cold storage door base plate punching device comprises a rack, a conveying guide rail, a conveying mechanism for moving the cold storage door base plate, a punching mechanism for punching the cold storage door base plate, a rivet pulling mechanism for installing rivet nuts on the cold storage door base plate and performing rivet pulling, a switching mechanism for switching the punching mechanism and the rivet pulling mechanism, and a driving mechanism for driving the punching mechanism and the rivet pulling mechanism to move; the transportation guide rail is arranged on the rack; the conveying mechanism is slidably arranged on the conveying guide rail; the punching mechanism is arranged on the switching mechanism; the rivet pulling mechanism is arranged on the switching mechanism; the switching mechanism is arranged on the driving mechanism; the driving mechanism is arranged on the frame.
2. The punching and riveting device for the cold storage door production line according to claim 1, wherein the switching mechanism comprises: the switching motor is connected with the connecting plate; the speed reducer is arranged on the driving mechanism; the output end of the switching motor is fixed with the input end of the speed reducer; the output end of the speed reducer is fixed in the middle of the connecting plate; one end of the connecting plate is fixed with the rivet pulling mechanism, and the other end of the connecting plate is fixed with the punching mechanism.
3. The punching and riveting device for the cold storage door production line according to claim 2, wherein the driving mechanism comprises: a translation assembly and a height adjustment assembly; the translation assembly is arranged on the frame; the height adjusting assembly is arranged at the output end of the translation assembly; the output end of the height adjusting assembly is fixed with the switching mechanism.
4. The punching and riveting device for the cold storage door production line according to claim 3, wherein the translation assembly comprises: the device comprises a translation motor, a connecting frame, a translation gear and a translation rack; a translation sliding rail is arranged on the rack; the connecting frame is connected with the translation sliding rail in a sliding manner; the translation motor is arranged on the connecting frame; the translation gear is arranged at the output end of the translation motor; the translation rack is arranged on the translation sliding rail; the translation gear is meshed with the translation rack; the height adjusting assembly is arranged on the connecting frame.
5. The punching and riveting device for the cold storage door production line according to claim 4, wherein the height adjusting assembly comprises: a first rodless cylinder; the first rodless cylinder is arranged on the switching mechanism; the output end of the first rodless cylinder is fixed with the connecting frame.
6. The punching and riveting device for the cold storage door production line according to claim 1, wherein the transportation mechanism comprises: the device comprises a placing frame for placing a cold storage door substrate, a driving unit for driving the placing frame to move on a transportation guide rail, and a clamping unit for clamping the cold storage door substrate on the placing frame; the driving unit is arranged on the transportation guide rail; the placing frame is arranged at the output end of the driving unit; the clamping unit is arranged on the placing frame; the placing rack is slidably arranged on the conveying guide rail.
7. The punching and riveting device for the cold storage door production line according to claim 6, wherein the clamping unit comprises: the device comprises a first clamping assembly, a second clamping assembly, a third clamping assembly and a fourth clamping assembly, wherein the first clamping assembly is used for clamping one side of a base plate of the refrigeration house door, the second clamping assembly is used for clamping the other side of the base plate of the refrigeration house door, the third clamping assembly is used for clamping one end of the base plate of the refrigeration house door, and the fourth clamping assembly is used for clamping the other end of the base plate of the refrigeration house door; the first clamping assembly, the second clamping assembly, the third clamping assembly and the fourth clamping assembly are all installed on the placing frame.
8. The punching and riveting device for the cold storage door production line according to claim 7, wherein the first clamping assembly comprises: a second rodless cylinder and a fixed chuck; the second rodless cylinder is arranged on the placing frame; the fixed chuck is arranged on the output end of the second rodless cylinder.
9. The punching and riveting device for the cold storage door production line according to claim 7, wherein the second clamping assembly comprises: a third rodless cylinder and a movable chuck; the third rodless cylinder is arranged on the placing frame; the movable chuck is arranged on the output end of the third rodless cylinder.
10. The perforating riveting apparatus for the production line of the cold storage door according to claim 9, characterized in that the movable chuck comprises: the clamping device comprises a supporting plate, a second clamping block and a clamping cylinder for driving the second clamping block to rotate; the support plate is arranged on the output end of the third rodless cylinder; the clamping cylinder is arranged on the supporting plate; the second fixture block is arranged at the output end of the clamping cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123284850.3U CN216989737U (en) | 2021-12-24 | 2021-12-24 | Punching and rivet pulling device for cold storage door production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123284850.3U CN216989737U (en) | 2021-12-24 | 2021-12-24 | Punching and rivet pulling device for cold storage door production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216989737U true CN216989737U (en) | 2022-07-19 |
Family
ID=82387297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123284850.3U Active CN216989737U (en) | 2021-12-24 | 2021-12-24 | Punching and rivet pulling device for cold storage door production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216989737U (en) |
-
2021
- 2021-12-24 CN CN202123284850.3U patent/CN216989737U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A punching and riveting device for cold storage door production line Effective date of registration: 20230505 Granted publication date: 20220719 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Tianhe branch Pledgor: GUANGZHOU DOORGOOD REFRIGERATION EQUIPMENT Co.,Ltd. Registration number: Y2023980039829 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |