CN216027396U - Filter cavity stamping die - Google Patents
Filter cavity stamping die Download PDFInfo
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- CN216027396U CN216027396U CN202120842827.2U CN202120842827U CN216027396U CN 216027396 U CN216027396 U CN 216027396U CN 202120842827 U CN202120842827 U CN 202120842827U CN 216027396 U CN216027396 U CN 216027396U
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Abstract
The utility model belongs to the technical field of stamping dies, and particularly relates to a filter cavity stamping die which comprises a die frame, a push column, an upper die unit, a lower die unit, a push unit and a blanking unit; the die frame is provided with a push hole; the push column is connected to the inner wall of the push hole in a sliding manner; the upper die unit is arranged in the die frame; the lower die unit is arranged in the die frame; the push-out unit is arranged in the die carrier; the blanking unit is arranged in the die frame; the utility model provides a filter cavity stamping die which is provided with a push-out unit and a transmission unit, and realizes the push-out of a filter cavity by utilizing the interaction among a push rod, a push-out plate, a push-out base plate, a connecting rod, a rack, a transmission slide rail, a gear, a transmission shaft and a handle, so that the filter cavity is prevented from being clamped in a cavity, a worker can conveniently take out the filter cavity, the time of the worker is saved, and the production progress of the related filter cavity is ensured.
Description
Technical Field
The utility model belongs to the technical field of stamping dies, and particularly relates to a stamping die for a cavity of a filter.
Background
The filter cavity is a metallic shell used for protecting the filter, and the filter can effectively filter a frequency point of a specific frequency in a power line or frequencies except the frequency point to obtain a power signal of the specific frequency or eliminate the power signal of the specific frequency;
in the prior art, a filter cavity is a shell formed by drawing by using a stamping die.
But there are some problems in the filter cavity utilizing stamping die stretch forming process, specifically the filter cavity can block in the punching die after forming, and inconvenient staff takes out, wastes staff's time, delays relevant filter production progress.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects of the prior art and solve the problems that after being formed, a cavity of a filter can be clamped in a stamping female die, workers are inconvenient to take out, time of the workers is wasted, and production progress of a related filter is delayed, the utility model provides the stamping die for the cavity of the filter.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a filter cavity stamping die which comprises a die frame, a push column, an upper die unit, a lower die unit, a push unit and a blanking unit, wherein the push column is arranged on the die frame; the die frame is provided with a push hole; the push column is connected to the inner wall of the push hole in a sliding manner; the upper die unit is arranged in the die frame; the lower die unit is arranged in the die frame; the push-out unit is arranged in the die carrier; the blanking unit is arranged in the die frame; the push-out unit comprises a push rod, a push-out plate and a push-out base plate; the top of the push rod is fixedly connected to the bottom of the deep drawing base plate; the push-out plate is fixedly connected to the bottom of the push rod; the push-out base plate is fixedly connected to the bottom of the push-out plate.
Preferably, the upper die unit comprises a push plate, a male die fixing plate and a die core; the push plate is fixedly connected to the bottom of the push column; the bottom of the push plate is fixedly connected with a male die fixing plate; a male die placing groove is formed in the male die fixing plate; the mold core is fixedly connected in the male mold placing groove.
Preferably, the lower die unit comprises a cushion block, a female die base plate, a female die fixing plate and a cavity; the cushion block is fixedly connected to the bottom of the die carrier; two groups of cushion blocks are symmetrically arranged; the female die base plate is fixedly connected to the top of the cushion block; the female die fixing plate is fixedly connected to the top of the female die base plate; a female die placing groove is formed in the female die fixing plate; the cavity is fixedly connected in the concave die placing groove; and a deep drawing base plate is arranged on the inner wall of the bottom of the cavity.
Preferably, the blanking unit comprises a blanking cutter; the bottom of the mold core is provided with a slot; the die cavity is provided with a stamping groove; the blanking cutter is in a square ring shape; the blanking cutter is arranged at the position of the slot; the blanking cutter is provided with a limit groove.
Preferably, the cushion block is provided with a transmission unit; the transmission unit comprises a connecting rod, a rack, a transmission slide rail, a gear, a transmission shaft and a handle; the cushion block is provided with a transmission groove; one end of the connecting rod is fixedly connected to the pushing plate; the rack is fixedly connected to the connecting rod; the transmission slide rail is fixedly connected to the inner wall of the transmission groove; the transmission shaft is rotatably connected to the side wall of the transmission groove; the gear is fixedly connected to the transmission shaft; the gear is meshed with the rack; the handle is fixedly connected to the transmission shaft.
Preferably, the core is provided with a mounting unit; the mounting unit comprises a mounting sliding rod, a mounting sliding block, a mounting connecting rod and a limiting block; the mold core is internally provided with a mounting groove; the mounting slide bar is fixedly connected with the inner wall of the mounting groove; the mounting sliding block is connected to the mounting sliding rod in a sliding manner; the limiting block is connected with the inner wall of the mounting groove in a sliding manner; the limiting block is connected to the inner wall of the mounting groove through a spring; one end of the mounting connecting rod is hinged to the mounting sliding block, and the other end of the mounting connecting rod is hinged to the limiting block.
Preferably, the top of the die carrier is fixedly connected with a first guide pillar; the bottom of the first guide pillar is fixedly connected to the female die fixing plate; a first guide sleeve is fixedly connected to the male die fixing plate; the first guide sleeve penetrates through the male die fixing plate and the push plate; the first guide sleeve is connected to the first guide pillar in a sliding mode; the bottom of the die carrier is fixedly connected with a second guide pillar; the top of the second guide pillar is fixedly connected to the die base plate; the pushing plate is fixedly connected with a second guide sleeve; the second guide sleeve penetrates through the push-out plate and the push-out base plate; and the second guide sleeve is connected to the second guide pillar in a sliding manner.
The utility model has the beneficial effects that:
1. the utility model provides a filter cavity stamping die which is provided with a push-out unit and a transmission unit, and realizes the push-out of a filter cavity by utilizing the interaction among a push rod, a push-out plate, a push-out base plate, a connecting rod, a rack, a transmission slide rail, a gear, a transmission shaft and a handle, so that the filter cavity is prevented from being clamped in a cavity, a worker can conveniently take out the filter cavity, the time of the worker is saved, and the production progress of the related filter cavity is ensured.
2. The utility model provides a filter cavity stamping die which is provided with a blanking unit and an installation unit, and realizes the installation and the disassembly of a blanking cutter by utilizing the interaction among the blanking cutter, an installation slide rod, an installation slide block, an installation connecting rod and a limiting block, thereby facilitating the replacement of the blanking cutter and simplifying the procedures of the disassembly and the installation of the blanking cutter.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is an enlarged view of a portion of FIG. 1 at B;
FIG. 5 is a perspective view of the present invention;
FIG. 6 is a partial cross-sectional view of the threaded rod and limit slider;
fig. 7 is a partial schematic view at the limiting plate.
Illustration of the drawings:
11. a mold frame; 12. pushing the column; 21. pushing the plate; 22. a male die fixing plate; 23. a core; 31. cushion blocks; 32. a die base plate; 33. fixing a female die plate; 34. a cavity; 35. drawing a backing plate; 41. a push rod; 42. Pushing out the plate; 43. pushing out the base plate; 51. blanking a cutter; 52. a slot; 53. punching a groove; 54. a limiting groove; 61. a connecting rod; 62. a rack; 63. a transmission slide rail; 64. a gear; 65. a drive shaft; 66. a transmission groove; 71. installing a sliding rod; 72. installing a sliding block; 73. installing a connecting rod; 74. a limiting block; 75. Mounting grooves; 81. a first guide post; 82. a first guide sleeve; 83. a second guide post; 84. a second guide sleeve; 91. A limiting chute; 92. a limiting plate; 101. a threaded rod; 102. a limiting slide block; 103. and (5) installing a sliding groove.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Specific examples are given below.
Referring to fig. 1 to 5, the present invention provides a filter cavity stamping die, which includes a die carrier 11, a push pillar 12, an upper die unit, a lower die unit, a push unit and a blanking unit; a push hole is formed in the die carrier 11; the push column 12 is connected to the inner wall of the push hole in a sliding manner; the upper die unit is arranged in the die frame 11; the lower die unit is arranged in the die frame 11; the push-out unit is arranged in the die carrier 11; the blanking unit is arranged in the die carrier 11; the push-out unit comprises a push rod 41, a push-out plate 42 and a push-out backing plate 43; the top of the push rod 41 is fixedly connected to the bottom of the drawing backing plate 35; the push-out plate 42 is fixedly connected to the bottom of the push rod 41; the push-out backing plate 43 is fixedly connected to the bottom of the push-out plate 42; when the cavity of the filter is stretched, a metal plate is placed on the cavity 34, the push column 12 is pushed by the press machine, so that the upper die unit moves to the position of the lower die unit, the metal plate is stretched, and the filter cavity is formed; after the filter cavity is formed, the press machine acts, the pulling push column 12 returns to the initial position, the filter cavity is reserved in the cavity 34 at the moment, the push plate 42 is pushed, the push plate 42 moves towards the top, the push rod 41 moves, the push base plate 43 jacks up the filter cavity, the filter cavity moves to the surface of the cavity 34, the filter cavity is taken out by workers conveniently, the filter cavity is taken out by the workers conveniently, the time of the workers is saved, and the production progress of the related filter cavity is guaranteed.
Referring to fig. 1 to 5, as an embodiment of the present invention, the upper die unit includes a push plate 21, a punch holder 22, and a core 23; the push plate 21 is fixedly connected to the bottom of the push column 12; the bottom of the push plate 21 is fixedly connected with a male die fixing plate 22; a male die placing groove is formed in the male die fixing plate 22; the mold core 23 is fixedly connected in the male mold placing groove; when the filter cavity is stretched, a metal plate is placed on the cavity 34, the push column 12 is pushed by the press machine, the push plate 21 is made to move, the male die fixing plate 22 and the core 23 are made to move to the position of the lower die unit, the metal plate is stretched, and the filter cavity is formed.
Referring to fig. 1 to 5, as an embodiment of the present invention, the lower mold unit includes a cushion block 31, a die cushion plate 32, a die fixing plate 33, and a cavity 34; the cushion block 31 is fixedly connected to the bottom of the mold frame 11; two groups of cushion blocks 31 are symmetrically arranged; the female die backing plate 32 is fixedly connected to the top of the cushion block 31; the female die fixing plate 33 is fixedly connected to the top of the female die backing plate 32; a female die placing groove is formed in the female die fixing plate 33; the cavity 34 is fixedly connected in the concave die placing groove; a deep drawing backing plate 35 is arranged on the inner wall of the bottom of the cavity 34; when the filter cavity is stretched, a metal plate is placed on the cavity 34, the push column 12 is pushed through the press machine, the push plate 21 is made to move, the male die fixing plate 22 and the core 23 are made to move to the position of the lower die unit, the metal plate is stretched into the cavity 34, and the filter cavity is formed in a deformed mode.
Referring to fig. 1 to 5, as an embodiment of the present invention, the blanking unit includes a blanking cutter 51; the bottom of the mold core 23 is provided with a slot 52; a punching groove 53 is formed in the cavity 34; the blanking cutter 51 is square and annular; the blanking cutter 51 is installed at the position of the slot 52; spacing groove 54 has been seted up on blanking cutter 51, during the tensile filter cavity, places sheet metal on die cavity 34, promotes push pillar 12 through the press, and then makes push pedal 21 move, and then makes punch plate 22 and core 23 move, moves to lower die unit position department, and blanking cutter 51 can carry out the blanking to sheet metal, cuts off sheet metal unnecessary part for filter cavity shape is regular, and the size is unified.
Referring to fig. 1-5, as an embodiment of the present invention, a transmission unit is disposed on the cushion block 31; the transmission unit comprises a connecting rod 61, a rack 62, a transmission slide rail 63, a gear 64, a transmission shaft 65 and a handle; a transmission groove 66 is formed in the cushion block 31; one end of the connecting rod 61 is fixedly connected to the pushing plate 42; the rack 62 is fixedly connected to the connecting rod 61; the transmission slide rail 63 is fixedly connected with the inner wall of the transmission groove 66; the transmission shaft 65 is rotatably connected to the side wall of the transmission groove 66; the gear 64 is fixedly connected to the transmission shaft 65; the gear 64 is meshed with the rack 62; the handle is fixedly connected to the transmission shaft 65; after the filter cavity is formed, the press machine acts, the pulling push column 12 returns to the initial position, the filter cavity is remained in the cavity 34 at the moment, through the rotating handle, the transmission shaft 65 is made to rotate, the gear 64 is further rotated, the rack 62 is further moved, the connecting rod 61 is made to move, the pushing plate 42 is further made to move towards the top, the pushing rod 41 is further made to move, the backing plate 43 is pushed out to move, the backing plate 43 is further pushed out to jack up the filter cavity, the filter cavity is made to move to the surface of the cavity 34, the filter cavity is prevented from being clamped in the cavity 34, and the cavity is convenient for workers to take out.
Referring to fig. 6, another embodiment of the above-mentioned transmission unit is: the backing plate is provided with a limiting sliding groove 91; the inner wall of the limiting chute 91 is slidably connected with a limiting plate 92, the pushing plate 42 and the pushing backing plate 43 move to the bottom of the female die backing plate 32 after the filter cavity is pushed out through the action of the transmission unit, the limiting plate 92 is pushed at the moment, the limiting plate 92 moves to the bottom of the pushing backing plate 43, the position of the pushing backing plate 43 is fixed, the pushing backing plate 43 is prevented from falling back, and the situation that a worker takes out the filter cavity is not influenced is guaranteed.
Referring to fig. 1 to 5, as an embodiment of the present invention, a mounting unit is disposed on the core 23; the mounting unit comprises a mounting sliding rod 71, a mounting sliding block 72, a mounting connecting rod 73 and a limiting block 74; a mounting groove 75 is formed in the mold core 23; the mounting slide bar 71 is fixedly connected with the inner wall of the mounting groove 75; the mounting sliding block 72 is connected to the mounting sliding rod 71 in a sliding manner; the limiting block 74 is connected with the inner wall of the mounting groove 75 in a sliding manner; the limiting block 74 is connected to the inner wall of the mounting groove 75 through a spring; one end of the mounting connecting rod 73 is hinged on the mounting sliding block 72, and the other end is hinged on the limiting block 74; after the blanking cutter 51 is used for a long time, the blanking cutter 51 needs to be replaced, and when the blanking cutter 51 is installed, the blanking cutter 51 is inserted into the slot 52, so that the limiting block 74 moves into the limiting groove 54, and the installation of the blanking cutter 51 is realized; when dismantling blanking cutter 51, promote installation slider 72 and move to the bottom, and then installation connecting rod 73 moves for stopper 74 moves, makes stopper 74 leave spacing groove 54, and then takes out blanking cutter 51 from slot 52, changes new blanking cutter 51, through setting up the installation unit, has made things convenient for the change of blanking cutter 51, has simplified the process that blanking cutter 51 dismantled and installed.
Referring to fig. 7, another embodiment of the above-mentioned installation unit is: a threaded hole is formed in the mold core 23; the core 23 is connected with a threaded rod 101 through thread matching; the mold core 23 is provided with a mounting chute 103; the limiting slide block 102 is connected in the mounting chute 103 in a sliding manner; the threaded rod 101 is rotatably connected to the limiting slide block 102; when the blanking tool 51 is installed, the blanking tool 51 is inserted into the slot 52, the threaded rod 101 is rotated, the limiting slide block 102 is moved into the limiting groove 54, the blanking tool 51 is installed, and when the blanking tool 51 is disassembled, the threaded rod 101 is rotated, so that the limiting slide block 102 leaves the limiting groove 54; the punching blade 51 is taken out and replaced.
Referring to fig. 1-5, as an embodiment of the present invention, a first guide post 81 is fixed to the top of the mold frame 11; the bottom of the first guide pillar 81 is fixedly connected to the female die fixing plate 33; a first guide sleeve 82 is fixedly connected to the punch retainer 22; the first guide sleeve 82 penetrates through the punch retainer 22 and the push plate 21; the first guide sleeve 82 is connected to the first guide post 81 in a sliding manner; the bottom of the die carrier 11 is fixedly connected with a second guide pillar 83; the top of the second guide post 83 is fixedly connected to the die backing plate 32; the second guide sleeve 84 is fixedly connected to the pushing plate 42; the second guide sleeve 84 penetrates through the push-out plate 42 and the push-out backing plate 43; the second guide sleeve 84 is slidably connected to the second guide post 83, the positions of the mold core 23 and the mold cavity 34 are positioned by arranging the first guide post 81 and the first guide sleeve 82, so that the positions are accurate when the metal plate is stretched, the normal stretching effect is ensured, and the second guide post 83 and the second guide sleeve 84 are arranged; the push-out plate 42 is positioned so as to move in the vertical direction, so that the offset is avoided, and the normal push-out function of the filter cavity is ensured.
The working principle is as follows: when the cavity of the filter is stretched, a metal plate is placed on the cavity 34, the push column 12 is pushed by a press machine, the push plate 21 is further moved, the male die fixing plate 22 and the core 23 are further moved, and the metal plate is stretched into the cavity 34 and deformed into the cavity of the filter;
the punch retainer 22 and the core 23 move to enable the blanking cutter 51 to blank the metal plate and cut off the redundant part of the metal plate; after the blanking cutter 51 is used for a long time, the blanking cutter 51 needs to be replaced, and when the blanking cutter 51 is installed, the blanking cutter 51 is inserted into the slot 52, so that the limiting block 74 moves into the limiting groove 54, and the installation of the blanking cutter 51 is realized; when the blanking cutter 51 is detached, the mounting slide block 72 is pushed to move towards the bottom, and then the mounting connecting rod 73 moves, so that the limiting block 74 moves, the limiting block 74 leaves the limiting groove 54, and then the blanking cutter 51 is taken out of the slot 52 and replaced by a new blanking cutter 51;
after the filter cavity is formed, the press machine is actuated to pull the push post 12 to return to the initial position, the filter cavity is left in the cavity 34 at the moment, the transmission shaft 65 is rotated by rotating the handle, the gear 64 is rotated, the rack 62 is moved, the connecting rod 61 is moved, the push plate 42 is moved towards the top, the push rod 41 is moved, the backing plate 43 is pushed out to move, the backing plate 43 is pushed out to jack the filter cavity, the filter cavity is moved to the surface of the cavity 34, and a worker can take out the filter cavity conveniently; the positions of the mold core 23 and the mold cavity 34 are positioned by arranging a first guide post 81 and a first guide sleeve 82, so that the positions are accurate when the metal plate is stretched, the normal stretching effect is ensured, and the second guide post 83 and the second guide sleeve 84 are arranged; the push-out plate 42 is positioned so as to move in the vertical direction, so that the offset is avoided, and the normal push-out function of the filter cavity is ensured.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (7)
1. The utility model provides a filter cavity stamping die which characterized in that: the punching die comprises a die frame (11), a push column (12), an upper die unit, a lower die unit, a push-out unit and a blanking unit; a push hole is formed in the die carrier (11); the push column (12) is connected to the inner wall of the push hole in a sliding manner; the upper die unit is arranged in the die frame (11); the lower die unit is arranged in the die frame (11); the push-out unit is arranged in the die carrier (11); the blanking unit is arranged in the die frame (11); the push-out unit comprises a push rod (41), a push-out plate (42) and a push-out base plate (43); the top of the push rod (41) is fixedly connected to the bottom of the drawing base plate (35); the push-out plate (42) is fixedly connected to the bottom of the push rod (41); the push-out backing plate (43) is fixedly connected to the bottom of the push-out plate (42).
2. The filter cavity stamping die of claim 1, wherein: the upper die unit comprises a push plate (21), a male die fixing plate (22) and a die core (23); the push plate (21) is fixedly connected to the bottom of the push column (12); the bottom of the push plate (21) is fixedly connected with a male die fixing plate (22); a male die placing groove is formed in the male die fixing plate (22); the mold core (23) is fixedly connected in the male mold placing groove.
3. The filter cavity stamping die of claim 2, wherein: the lower die unit comprises a cushion block (31), a die cushion plate (32), a die fixing plate (33) and a cavity (34); the cushion block (31) is fixedly connected to the bottom of the die carrier (11); two groups of cushion blocks (31) are symmetrically arranged; the female die backing plate (32) is fixedly connected to the top of the cushion block (31); the female die fixing plate (33) is fixedly connected to the top of the female die backing plate (32); a female die placing groove is formed in the female die fixing plate (33); the cavity (34) is fixedly connected in the concave die placing groove; and a deep drawing cushion plate (35) is arranged on the inner wall of the bottom of the cavity (34).
4. The filter cavity stamping die of claim 3, wherein: the blanking unit comprises a blanking cutter (51); the bottom of the mold core (23) is provided with a slot (52); a stamping groove (53) is formed in the cavity (34); the blanking cutter (51) is in a square ring shape; the blanking cutter (51) is arranged at the position of the slot (52); the blanking cutter (51) is provided with a limit groove (54).
5. The filter cavity stamping die of claim 4, wherein: the cushion block (31) is provided with a transmission unit; the transmission unit comprises a connecting rod (61), a rack (62), a transmission slide rail (63), a gear (64), a transmission shaft (65) and a handle; a transmission groove (66) is formed in the cushion block (31); one end of the connecting rod (61) is fixedly connected to the pushing plate (42); the rack (62) is fixedly connected to the connecting rod (61); the transmission slide rail (63) is fixedly connected with the inner wall of the transmission groove (66); the transmission shaft (65) is rotatably connected to the side wall of the transmission groove (66); the gear (64) is fixedly connected to the transmission shaft (65); the gear (64) is meshed with the rack (62); the handle is fixedly connected to the transmission shaft (65).
6. The filter cavity stamping die of claim 5, wherein: the core (23) is provided with a mounting unit; the mounting unit comprises a mounting sliding rod (71), a mounting sliding block (72), a mounting connecting rod (73) and a limiting block (74); a mounting groove (75) is formed in the mold core (23); the mounting sliding rod (71) is fixedly connected with the inner wall of the mounting groove (75); the mounting sliding block (72) is connected to the mounting sliding rod (71) in a sliding manner; the limiting block (74) is connected with the inner wall of the mounting groove (75) in a sliding manner; the limiting block (74) is connected to the inner wall of the mounting groove (75) through a spring; one end of the mounting connecting rod (73) is hinged on the mounting sliding block (72), and the other end is hinged on the limiting block (74).
7. The filter cavity stamping die of claim 6, wherein: the top of the die carrier (11) is fixedly connected with a first guide post (81); the bottom of the first guide post (81) is fixedly connected to the female die fixing plate (33); a first guide sleeve (82) is fixedly connected to the punch retainer (22); the first guide sleeve (82) penetrates through the punch retainer (22) and the push plate (21); the first guide sleeve (82) is connected to the first guide column (81) in a sliding manner; the bottom of the die carrier (11) is fixedly connected with a second guide post (83); the top of the second guide post (83) is fixedly connected to the die backing plate (32); a second guide sleeve (84) is fixedly connected to the push-out plate (42); the second guide sleeve (84) penetrates through the push-out plate (42) and the push-out base plate (43); the second guide sleeve (84) is connected to the second guide column (83) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120842827.2U CN216027396U (en) | 2021-04-23 | 2021-04-23 | Filter cavity stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120842827.2U CN216027396U (en) | 2021-04-23 | 2021-04-23 | Filter cavity stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216027396U true CN216027396U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120842827.2U Active CN216027396U (en) | 2021-04-23 | 2021-04-23 | Filter cavity stamping die |
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|---|---|
| CN (1) | CN216027396U (en) |
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2021
- 2021-04-23 CN CN202120842827.2U patent/CN216027396U/en active Active
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