CN115923223A - Stamping equipment with security assembly - Google Patents
Stamping equipment with security assembly Download PDFInfo
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- CN115923223A CN115923223A CN202211597258.5A CN202211597258A CN115923223A CN 115923223 A CN115923223 A CN 115923223A CN 202211597258 A CN202211597258 A CN 202211597258A CN 115923223 A CN115923223 A CN 115923223A
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- fixedly connected
- wall
- groove
- assembly
- lower die
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses stamping equipment with a security assembly, which comprises an operating platform, wherein a lower die is fixedly connected to the outer side of the upper side of the operating platform, a cleaning auxiliary device is arranged in the lower die, a protective frame is fixedly connected to the upper side of the operating platform, a positioning assembly is fixedly connected to the outer wall of the upper side of the operating platform, a stamping assembly is arranged above the lower die, the cleaning auxiliary device comprises a cleaning assembly, and the cleaning assembly is arranged in the lower die; and the torsion spring is fixedly connected with the cleaning assembly. This stamping equipment with security subassembly passes through clearance auxiliary device, punching press subassembly and locating component's use, makes the device carry out the in-process of punching press to the machined part, can advance the splash that reduces the raw materials, makes unnecessary raw materials can enter into discharge tank through leading to the groove and discharge, prevents to cause the injury to operating personnel, reduces simultaneously that the raw materials is supplementary on the lower mould, and the device of being convenient for carries out continuous punching press operation.
Description
Technical Field
The invention relates to the technical field of stamping equipment, in particular to stamping equipment with a security assembly.
Background
The stamping is a workpiece forming and processing method which applies external force to plates, strips, pipes, profiles and the like by a press and a die to cause the plates, the strips, the pipes, the profiles and the like to generate plastic deformation or separation so as to obtain required shapes and sizes.
At present, in the process of stamping a workpiece, due to the fact that frequency is too fast, once raw materials in a lower die are too much, in the process of stamping, the raw materials are easy to be brought out and splashed, a nearby operator is injured, the splashed raw materials can be attached to the lower die, continuous stamping operation is not easy to conduct, and due to extrusion force generated in stamping, adhesion hanging materials can be generated between a workpiece and a stamping plate 53, so that the raw materials in the lower die can cause damage to the workpiece after being automatically ejected.
Disclosure of Invention
The main object of the present invention is to provide a punching device with a security assembly that solves the problems set out in the background art mentioned above.
In order to achieve the above purpose, the stamping apparatus with a security assembly provided by the present invention comprises an operation table, a lower mold is fixedly connected to the outside of the upper side of the operation table, a cleaning auxiliary device is arranged in the lower mold, a protection frame is fixedly connected to the upper side of the operation table, a positioning assembly is fixedly connected to the outer wall of the upper side of the operation table, a stamping assembly is arranged above the lower mold, and the cleaning auxiliary device comprises:
the cleaning assembly is arranged inside the lower die;
the torsion spring is fixedly connected with the cleaning assembly, and one end of the torsion spring, which is far away from the cleaning assembly, is fixedly connected to the inner wall of the lower die;
and the elastic telescopic rod is fixedly connected with the cleaning assembly.
Preferably, the clearance subassembly includes the lagging, sliding connection has the slide on the inner wall of lagging, fixedly connected with clearance scraper blade on the outer wall of slide, and the clearance scraper blade is cup jointed by the lagging, fixedly connected with lug on the outer wall of clearance scraper blade.
Preferably, one side fixedly connected with pressure spring that the clearance scraper blade was kept away from to the slide, and pressure spring keeps away from the one end fixed connection of slide on the inner wall of lagging, fixedly connected with stopper on the inner wall of lagging, be provided with on the outer wall of lagging and strike the subassembly.
Preferably, the knocking assembly comprises an arc-shaped elastic sheet, and one side, far away from the cleaning scraper, of the arc-shaped elastic sheet is fixedly connected with a T rod.
Preferably, the T rod is connected in the inner groove in a sliding mode, the inner groove is formed in the inner wall of the sleeve plate, and the knocking block is fixedly connected to one side, far away from the arc-shaped elastic piece, of the T rod.
Preferably, the positioning assembly comprises an elastic telescopic column which is fixedly connected to the outer wall of the operating platform, and a groove is formed in the telescopic end of the elastic telescopic column.
Preferably, a return spring is fixedly connected to the groove, a pressing plate 53 is fixedly connected to one end, far away from the groove, of the return spring, and the pressing plate 53 is slidably connected to the groove.
Preferably, the punching press subassembly includes the cylinder, and cylinder fixed connection is on the outer wall of protection frame, fixedly connected with mounting panel on the output shaft of cylinder, the mould is gone up to one side fixedly connected with that the cylinder is kept away from to the mounting panel.
Preferably, one side of the mounting plate, which is far away from the cylinder, is provided with a positioning groove.
Preferably, the inner surface of the lower die is provided with a through groove, and the through groove is communicated with a discharge groove.
Advantageous effects
The invention provides a stamping device with a security assembly. The method has the following beneficial effects:
(1) This stamping equipment with security subassembly passes through clearance auxiliary device, punching press subassembly and locating component's use, makes the device carry out the in-process of punching press to the machined part, can advance the splash that reduces the raw materials, makes unnecessary raw materials can enter into discharge tank through leading to the groove and discharge, prevents to cause the injury to operating personnel, reduces simultaneously that the raw materials is supplementary on the lower mould, and the device of being convenient for carries out continuous punching press operation.
(2) This stamping equipment with security subassembly passes through clearance auxiliary device, the use of punching press subassembly and locating component, makes and goes up the mould at the in-process that descends, and clamp plate 53 extrudees elastic telescopic rod's flexible end, drives elastic telescopic rod and rotates, and then makes the lagging drive clearance scraper blade rotate, and at clearance scraper blade pivoted in-process, can make the piece of strikeing strike the lower mould, and then make the raw materials in the lower mould lay more evenly, the subsequent punching press operation of being convenient for.
(3) This stamping equipment with security subassembly passes through the use of clearance auxiliary device and clearance subassembly, make and go up the mould at the in-process that resets, under the effect of torsion spring, can drive the lagging and the clearance scraper blade resets, the clearance scraper blade is cleared up adnexed raw materials on discharging groove, clearance scraper blade extrudees compression spring gradually simultaneously, and then under the effect of arc shell fragment and lug, make the piece of strikeing strike the lower mould, fashioned machined part is not hard up with the lower mould in the realization lower mould, and then reduce the adhesion hanging material between machined part and the lower mould, improve the quality of machined part after automatic ejecting, reduce the damage of machined part.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of the overall apparatus of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of the stamping structure of the upper and lower dies of the present invention;
FIG. 4 is a schematic view of the structure A of FIG. 3 according to the present invention;
FIG. 5 is a perspective view of the cleaning assembly of the present invention;
FIG. 6 is a schematic top cross-sectional view of the cleaning assembly of the present invention;
FIG. 7 is a schematic view of the structure B of FIG. 6 according to the present invention;
FIG. 8 is a schematic view of a positioning assembly according to the present invention.
The reference numbers illustrate:
1. an operation table; 2. a lower die; 3. cleaning the auxiliary device; 4. a protective frame; 5. a positioning assembly; 6. a stamping assembly; 21. a through groove; 22. a discharge chute; 31. cleaning the assembly; 32. a torsion spring; 33. an elastic telescopic rod; 311. sheathing the board; 312. a slide plate; 313. cleaning a scraper; 314. a bump; 315. a compression spring; 316. a limiting block; 317. a knocking component; 3171. an arc-shaped elastic sheet; 3172. a T-bar; 3173. an inner tank; 3174. knocking the block; 51. an elastic telescopic column; 52. a groove; 53. a pressure plate 53; 54. a return spring; 61. a cylinder; 62. mounting a plate; 63. an upper die; 621. and (6) positioning a groove.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 8, the present invention provides a stamping apparatus with a security assembly, including an operation table 1, a lower die 2 is fixedly connected to an outer side of an upper side of the operation table 1, a cleaning auxiliary device 3 is disposed in the lower die 2, through use of the cleaning auxiliary device 3, excessive raw materials in the lower die 2 can be cleaned and discharged, and simultaneously, the auxiliary raw materials are stamped and formed with a workpiece, the cleaning auxiliary device 3 includes a cleaning assembly 31, and the cleaning assembly 31 is disposed inside the lower die 2, the cleaning assembly 31 is fixedly connected with a torsion spring 32, and one end of the torsion spring 32 far away from the cleaning assembly 31 is fixedly connected to an inner wall of the lower die 2, through use of the torsion spring 32, the cleaning assembly 31 can be automatically reset, the cleaning assembly 31 is fixedly connected with an elastic telescopic rod 33, a protection frame 4 is fixedly connected to the upper side of the operation table 1 for protection of an operator, through use of the positioning assembly 5, the stamping assembly 6 can stably stamp the lower die 2, so as to prevent position deviation during stamping, and stability of the stamping assembly 6 can be ensured through use of the stamping raw materials in stamping process, and stamping of the lower die 2.
In the embodiment of the invention, in order to enable the device to perform stable stamping in the stamping process, specifically, the positioning assembly 5 includes an elastic telescopic column 51, the elastic telescopic column 51 is fixedly connected to the outer wall of the operating platform 1, the pressing plate 53 is slidably connected in the groove 52, the stamping assembly 6 includes an air cylinder 61, the air cylinder 61 is fixedly connected to the outer wall of the protection frame 4, the output shaft of the air cylinder 61 is fixedly connected with a mounting plate 62, one side of the mounting plate 62, which is far away from the air cylinder 61, is fixedly connected with an upper die 63, one side of the mounting plate 62, which is far away from the air cylinder 61, is provided with a positioning groove 621, the mounting plate 62 can be driven to descend by starting the air cylinder 61, so as to drive the upper die 63 to press down, and meanwhile, when the mounting plate 62 descends to a certain height, the telescopic end of the elastic telescopic column 51 is inserted into the positioning groove 621, so that the mounting plate 62 ensures stability in the subsequent stamping process, and simultaneously, under the supporting effect of stable stamping is achieved, damage to the lower die 2 caused by an excessive impact force of the upper die 63.
Further, in order to enable the telescopic end of the elastic telescopic column 51 to descend, the cleaning assembly 31 can be driven to rotate around the center of the torsion spring 32, so as to facilitate subsequent vibration of the lower die 2, so that the raw material in the lower die 2 can be flattened, and bubbles in the raw material can be reduced, specifically, a groove 52 is formed in the telescopic end of the elastic telescopic column 51, a return spring 54 is fixedly connected in the groove 52, and a pressing plate 53 is fixedly connected to one end of the return spring 54, which is far away from the groove 52, and descends through the telescopic end of the elastic telescopic column 51, so as to drive the pressing plate 53 to extrude the elastic telescopic rod 33, so as to enable the elastic telescopic rod 33 to rotate, the telescopic end of the elastic telescopic rod 33 moves into the groove 52, so as to drive the cleaning assembly 31 to rotate, after the cleaning assembly 31 is limited by the inner wall of the lower die 2, the elastic telescopic rod 33 is in a horizontal state and cannot rotate any more, at this time, the telescopic end of the elastic telescopic column 51 continues to descend, the pressing plate 53 extrudes the return spring 54, so as to enable the return spring 54 to be compressed, and stop descending after the upper side of the upper die 63 is attached to the upper side of the lower die 2.
Further, in order to discharge the raw material in the lower die 2 when the raw material in the lower die 2 is large, and simultaneously when the upper die 63 is reset, discharge of redundant raw material can be accelerated, specifically, the through groove 21 is formed in the inner surface of the lower die 2, the through groove 21 is communicated with the discharge groove 22, the cleaning assembly 31 comprises a sleeve plate 311, a sliding plate 312 is connected to the inner wall of the sleeve plate 311 in a sliding manner, a cleaning scraper 313 is fixedly connected to the outer wall of the sliding plate 312, the cleaning scraper 313 is sleeved by the sleeve plate 311, a bump 314 is fixedly connected to the outer wall of the cleaning scraper 313, when the raw material in the lower die 2 is stamped, in the process, the redundant raw material in the lower die 2 can be discharged into the discharge groove 22 through the through groove 21, so that discharge of the redundant raw material in the lower die 2 is facilitated, splashing of the raw material in the stamping process is reduced, and simultaneously when the upper die 63 is reset upwards, the telescopic end of the elastic telescopic column 51 automatically resets, and at the moment, under the action of the button spring 32, the sleeve plate 311 can be driven to reset, so that the cleaning scraper 313 in the discharge groove is accelerated to move towards the discharge groove 22 in the discharge groove, and the discharge of the raw material.
In the embodiment of the invention, in order to enable the lower die 2 of the device to flatten raw materials in the lower die 2 before stamping, reduce bubbles in the raw materials and improve the quality of formed workpieces, specifically, a pressing spring 315 is fixedly connected to one side of a sliding plate 312, which is far away from a cleaning scraper 313, one end of the pressing spring 315, which is far away from the sliding plate 312, is fixedly connected to the inner wall of a sleeve plate 311, a limiting block 316 is fixedly connected to the inner wall of the sleeve plate 311 and is used for limiting the sliding of the sliding plate 312, a knocking assembly 317 is arranged on the outer wall of the sleeve plate 311, the knocking assembly 317 comprises an arc-shaped elastic sheet 3171, one side of the arc-shaped elastic sheet 3171, which is far away from the cleaning scraper 313, is fixedly connected with a T rod 3172, the T rod 3172 is slidably connected to an inner groove 3173, the inner groove 3173 is arranged in the inner wall of the sleeve plate 311, one side of the T rod 3172, which is far away from the arc-shaped elastic sheet 3171, before stamping of the lower die 2, the telescopic column 51 descends, the sleeve plate 311 and the cleaning scraper 313 rotate around the center of a torsion spring 32, and the cleaning scraper 313, and the inner wall of the pressing scraper 313 is pressed spring 31315, so that the inner wall of the lower die 2 can gradually push the lower die 2 to reduce the quality of the sliding plate 3174, and enable the lower die to reduce the bubbles in the lower die 2, and enable the pressing and the lower die 2 to be pressed and to be capable of the pressing and to be capable of forming material to be pushed into the lower die to be flat forming material, thereby reducing the quality of forming the inner wall 312, and to reduce the bubbles in the inner wall 312, and to reduce the inner wall 3173, and to be formed workpieces, and enable the inner wall of the inner wall 3173, and to be capable of the inner wall of the lower die 311, thereby enabling the lower die to be capable of forming the lower die to be capable of pushing and to be capable of pushing the lower die 311.
It should be noted that, in order to enable the upper die 63 to reset, accelerate the discharge of the excessive raw materials in the discharge chute 22, loosen the formed workpiece in the lower die 2 from the lower die 2, reduce the adhesion hanging material between the workpiece and the lower die 2, improve the quality of the subsequent ejected workpiece, and reduce the deformation of the workpiece, specifically, in the process of resetting the upper die 63, under the action of the torsion spring 32, the sleeve plate 311 and the cleaning scraper 313 are reset by rotating around the center of the torsion spring 32, and the cleaning scraper 313 drives the sliding plate 312 to press the compression spring 315, so that the cleaning scraper 313 moves into the sleeve plate 311, in this process, the protrusion 314 presses the arc-shaped elastic sheet 3171, further drives the T-rod 3172 to slide in the inner groove 3173, so that the knocking block 3174 can knock the inner wall of the lower die 2, further, so that the lower die 2 generates mechanical vibration, thereby loosening the formed workpiece from the lower die 2, and achieving the effect of reducing the adhesion hanging material between the workpiece and the lower die 2.
In the invention, when the device is used, the cylinder 61 is started firstly, the mounting plate 62 is driven to descend, the upper die 63 is driven to press downwards, meanwhile, when the mounting plate 62 descends to a certain height, the telescopic end of the elastic telescopic column 51 is inserted into the positioning groove 621, so that the mounting plate 62 ensures the stability in the subsequent stamping process, when the mounting plate 62 continuously descends, the telescopic end of the elastic telescopic column 51 can be driven to descend, the pressing plate 53 is driven to extrude the elastic telescopic rod 33, the elastic telescopic rod 33 rotates, the telescopic end of the elastic telescopic rod 33 moves into the groove 52, the sleeve plate 311 and the cleaning scraper 313 are driven to rotate around the center of the torsion spring 32, after the sleeve plate 311 is limited by the discharge groove 22, the elastic telescopic rod 33 is in a horizontal state and cannot rotate any more, in the process, the cleaning scraper 313 can slide along the inner wall of the discharge groove 22 under the action of the pressing spring 315, so that the cleaning scraper 313 gradually slides out of the sleeve plate 311, in the process, the convex block extrudes 3171, the T rod 72 is driven to slide in the inner groove 3173, the inner wall of the lower die 2, so that bubbles contained in the lower die 2 can be flattened by the mechanical vibration, and the elastic sheet 314 can be reduced;
meanwhile, after the machined part is formed by punching, the cylinder 61 is started to drive the mounting plate 62 to ascend and further drive the upper die 63 to ascend, in the process of resetting the upper die 63, under the action of the torsion spring 32, the sleeve plate 311 and the cleaning scraper 313 are rotated and reset by the center of the torsion spring 32, meanwhile, the cleaning scraper 313 drives the sliding plate 312 to extrude the compression spring 315, so that the cleaning scraper 313 moves into the sleeve plate 311, in the process, the convex block 314 extrudes the arc-shaped elastic sheet 3171 and further drives the T rod 3172 to slide in the inner groove 3173, so that the knocking block 3174 can knock the inner wall of the lower die 2, and further the lower die 2 generates mechanical vibration, thereby loosening the formed machined part and the lower die 2, facilitating the reduction of deformation of the machined part when the subsequently formed machined part is ejected, and improving the quality of the machined part.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A stamping equipment with security subassembly, includes operation panel (1), its characterized in that: the outer fixedly connected with lower mould (2) of upside of operation panel (1), be provided with clearance auxiliary device (3) in lower mould (2), upside fixedly connected with protection frame (4) of operation panel (1), fixedly connected with locating component (5) on the upside outer wall of operation panel (1), the top of lower mould (2) is provided with punching press subassembly (6), clearance auxiliary device (3) include:
the cleaning assembly (31), the cleaning assembly (31) is arranged in the lower die (2);
the torsion spring (32), the torsion spring (32) is fixedly connected with the cleaning component (31), and one end of the torsion spring (32) far away from the cleaning component (31) is fixedly connected to the inner wall of the lower die (2);
and the elastic telescopic rod (33), and the elastic telescopic rod (33) is fixedly connected with the cleaning component (31).
2. A stamping apparatus with a security assembly as claimed in claim 1, wherein: clearance subassembly (31) are including lagging (311), sliding connection has slide (312) on the inner wall of lagging (311), fixedly connected with clearance scraper blade (313) on the outer wall of slide (312), and clearance scraper blade (313) are cup jointed by lagging (311), fixedly connected with lug (314) on the outer wall of clearance scraper blade (313).
3. A stamping apparatus with a security assembly as claimed in claim 2, wherein: one side fixedly connected with pressure spring (315) that clearance scraper blade (313) was kept away from in slide (312), and pressure spring (315) keep away from one end fixed connection of slide (312) on the inner wall of lagging (311), fixedly connected with stopper (316) on the inner wall of lagging (311), be provided with on the outer wall of lagging (311) and strike subassembly (317).
4. A stamping apparatus with a security assembly as claimed in claim 3, wherein: the knocking component (317) comprises an arc-shaped elastic sheet (3171), and a T rod (3172) is fixedly connected to one side, far away from the cleaning scraper (313), of the arc-shaped elastic sheet (3171).
5. A stamping apparatus with a security assembly as claimed in claim 4, wherein: the T-shaped rod (3172) is connected in the inner groove (3173) in a sliding mode, the inner groove (3173) is formed in the inner wall of the sleeve plate (311), and a knocking block (3174) is fixedly connected to one side, far away from the arc-shaped elastic piece (3171), of the T-shaped rod (3172).
6. A stamping apparatus with a security assembly as claimed in claim 1, wherein: locating component (5) are including elastic telescopic column (51), and elastic telescopic column (51) fixed connection is on the outer wall of operation panel (1), recess (52) have been seted up on the flexible end of elastic telescopic column (51).
7. The stamping apparatus with a security assembly as claimed in claim 6, wherein: a return spring (54) is fixedly connected in the groove (52), a pressing plate 53 (53) is fixedly connected at one end, far away from the groove (52), of the return spring (54), and the pressing plate 53 (53) is connected in the groove (52) in a sliding mode.
8. A stamping apparatus with a security assembly as claimed in claim 1, wherein: punching press subassembly (6) include cylinder (61), and cylinder (61) fixed connection is on the outer wall of protection frame (4), fixedly connected with mounting panel (62) on the output shaft of cylinder (61), mould (63) are gone up to one side fixedly connected with that cylinder (61) were kept away from in mounting panel (62).
9. The stamping apparatus with a security assembly as claimed in claim 8, wherein: and one side of the mounting plate (62) far away from the cylinder (61) is provided with a positioning groove (621).
10. A stamping apparatus with a security assembly as claimed in claim 1, wherein: a through groove (21) is formed in the inner surface of the lower die (2), and the through groove (21) is communicated with a discharging groove (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211597258.5A CN115923223A (en) | 2022-12-12 | 2022-12-12 | Stamping equipment with security assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211597258.5A CN115923223A (en) | 2022-12-12 | 2022-12-12 | Stamping equipment with security assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115923223A true CN115923223A (en) | 2023-04-07 |
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ID=86700476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211597258.5A Pending CN115923223A (en) | 2022-12-12 | 2022-12-12 | Stamping equipment with security assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115923223A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117048100A (en) * | 2023-09-15 | 2023-11-14 | 沧州宇力管件有限公司 | Hydraulic machine with safety protection mechanism and use method thereof |
| CN117506170A (en) * | 2024-01-03 | 2024-02-06 | 金筑铝业(天津)有限公司 | Cutting device for aluminum veneer machining |
-
2022
- 2022-12-12 CN CN202211597258.5A patent/CN115923223A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117048100A (en) * | 2023-09-15 | 2023-11-14 | 沧州宇力管件有限公司 | Hydraulic machine with safety protection mechanism and use method thereof |
| CN117506170A (en) * | 2024-01-03 | 2024-02-06 | 金筑铝业(天津)有限公司 | Cutting device for aluminum veneer machining |
| CN117506170B (en) * | 2024-01-03 | 2024-04-12 | 金筑铝业(天津)有限公司 | Cutting device for aluminum veneer machining |
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