CN220006069U - Precise drilling and tapping machining mechanism for brass alloy faucet body - Google Patents
Precise drilling and tapping machining mechanism for brass alloy faucet body Download PDFInfo
- Publication number
- CN220006069U CN220006069U CN202321313467.2U CN202321313467U CN220006069U CN 220006069 U CN220006069 U CN 220006069U CN 202321313467 U CN202321313467 U CN 202321313467U CN 220006069 U CN220006069 U CN 220006069U
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- CN
- China
- Prior art keywords
- fixedly connected
- brass alloy
- drilling
- faucet body
- sliding rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910001369 Brass Inorganic materials 0.000 title claims abstract description 49
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 49
- 239000000956 alloy Substances 0.000 title claims abstract description 49
- 239000010951 brass Substances 0.000 title claims abstract description 49
- 238000005553 drilling Methods 0.000 title claims abstract description 49
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 38
- 238000003754 machining Methods 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 241001233242 Lontra Species 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Drilling And Boring (AREA)
Abstract
The utility model belongs to the technical field of drilling and tapping, and relates to a precise drilling and tapping machining mechanism for a brass alloy faucet body. The utility model comprises a mounting frame, wherein two fixing grooves are symmetrically formed in the mounting frame, a first electric sliding rail is fixedly connected to the vertical side wall of the mounting frame, a second electric sliding rail is connected to the first electric sliding rail in a sliding manner, a mounting plate is fixedly connected to the second electric sliding rail, a plurality of motors are fixedly connected to the mounting plate, drill rods are fixedly connected to the output ends of the motors, supporting plates are fixedly connected to the two fixing grooves, rotating shafts are rotatably connected to the two supporting plates, the same clamping seat is fixedly connected between the two rotating shafts, and two guide blocks are fixedly connected to the mounting frame. The utility model has simple and convenient operation, can carry out rapid reverse drilling and tapping on the brass alloy faucet body, and effectively improves the processing efficiency of the drilling and tapping processing mechanism.
Description
Technical Field
The utility model belongs to the technical field of drilling and tapping, and relates to a precise drilling and tapping machining mechanism for a brass alloy faucet body.
Background
The brass alloy faucet is a common faucet accessory, a plurality of threaded holes are formed in a brass alloy faucet body, and drilling and tapping machining are needed by a drilling and tapping machining mechanism during machining.
When the existing brass alloy faucet body drilling and tapping processing mechanism is used, as two different surfaces of the brass alloy faucet need to be drilled and tapped, when drilling and tapping are carried out, one surface needs to be drilled and tapped, a plurality of brass alloy faucet bodies need to be manually turned one by one for processing, the operation is very complicated, and the processing efficiency of the drilling and tapping processing mechanism is low.
Disclosure of Invention
The utility model aims to solve the problems and provides a precise drilling and tapping machining mechanism for a brass alloy faucet body.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a brass alloy tap body precision drilling attack processing agency, includes the mounting bracket, two fixed slots have been seted up to the symmetry on the mounting bracket, the first electronic slide rail of vertical lateral wall fixedly connected with of mounting bracket, sliding connection has the electronic slide rail of second on the first electronic slide rail, fixedly connected with mounting panel on the electronic slide rail of second, fixedly connected with a plurality of motors on the mounting panel, the output fixedly connected with drilling rod of motor, two equal fixedly connected with backup pad in the fixed slot, two equal rotation connection has the pivot in the backup pad, two fixedly connected with one grip slipper between the pivot, two fixedly connected with guide blocks on the mounting bracket, two the movable sleeve has same rack in the guide block, pivot outer fixed sleeve is equipped with the gear with rack looks meshing, fixedly connected with fixed plate on the mounting bracket, fixedly connected with driving motor on the fixed plate, the output fixedly connected with eccentric wheel of driving motor, the one end fixedly connected with U type slider, fixedly connected with card post on the U type slider, the card post is seted up to the annular groove, the card post is located the annular groove.
In the precise drilling and tapping machining mechanism for the brass alloy faucet body, the clamping seat comprises a transverse plate fixedly connected between the two rotating shafts, a plurality of workpiece grooves are uniformly formed in the transverse plate, a plurality of drilling holes communicated with the workpiece grooves are formed in the transverse plate, a plurality of studs are uniformly fixedly connected to the transverse plate, a locking plate is movably sleeved outside the studs, locking nuts are sleeved outside the studs, and the locking nuts are located above the locking plate.
In the precise drilling and tapping processing mechanism of the brass alloy faucet body, the material receiving screen plate is fixedly connected in the mounting frame and located below the transverse plate, a plurality of chip removal holes communicated with the workpiece groove are formed in the transverse plate, and the material receiving box is arranged below the material receiving screen plate.
In the precise drilling and tapping machining mechanism for the brass alloy faucet body, the first electric sliding rail comprises a first sliding rail fixedly connected to the mounting frame, a first motor is fixedly connected to the first sliding rail, the output end of the first motor is fixedly connected with a first reciprocating screw rod, a first sliding table is sleeved on the outer thread of the first reciprocating screw rod, and the second electric sliding rail is fixedly connected to the first sliding table.
In the precise drilling and tapping mechanism for the brass alloy faucet body, the fixing plate is provided with the heat dissipation holes, and the heat dissipation holes are positioned below the driving motor.
In the precise drilling and tapping machining mechanism for the brass alloy faucet body, the second electric sliding rail comprises a second sliding rail fixedly connected to the first sliding table, a second motor is fixedly connected to the second sliding rail, a second reciprocating screw rod is fixedly connected to the output end of the second motor, a second sliding table is sleeved on the outer thread of the second reciprocating screw rod, and the mounting plate is fixedly connected to the second sliding table.
In the precise drilling and tapping machining mechanism for the brass alloy faucet body, the mounting frame is fixedly connected with the dust cover, and the dust cover is made of transparent plastic.
In the precise drilling and tapping machining mechanism for the brass alloy faucet body, the first sliding table and the second sliding table are symmetrically and fixedly connected with two guide plates, the first sliding rail and the second sliding rail are symmetrically provided with two guide grooves, and the guide plates are located in the guide grooves.
In the precise drilling and tapping machining mechanism for the brass alloy faucet body, the fixing plate is made of stainless steel.
In the precise drilling and tapping machining mechanism for the brass alloy faucet body, the output end of the motor is fixedly connected with the mounting seat, and the drill rod is fixedly connected to the mounting seat.
Compared with the prior art, the utility model has the advantages that:
according to the utility model, through the installation frame, the fixed groove, the first electric sliding rail, the second electric sliding rail, the installation plate, the motor, the drill rod, the supporting plate, the rotating shaft, the clamping seat, the guide block, the rack, the gear, the fixed plate, the driving motor, the eccentric wheel, the U-shaped sliding block, the clamping column and the annular groove, the brass alloy faucet body is placed on the clamping seat to be fixedly clamped during drilling and tapping, the first electric sliding rail and the second electric sliding rail are controlled to operate, the motors are controlled to move downwards, the motors are controlled to operate, the drill rods are driven to rotate, the drill rods can drill and tap one surface of the brass alloy faucet body, the driving motor is controlled to operate, the driving motor drives the eccentric wheel to rotate, the eccentric wheel drives the U-shaped sliding block to reciprocate left and right, the U-shaped sliding block drives the rack to reciprocate, the rack drives the gear to rotate, and the rotating shaft drives the clamping seat to turn ninety degrees, so that the brass alloy faucet body on the clamping seat can be processed on the reverse surface, the other surface of the brass alloy faucet body can be processed, the operation is simple and convenient, the rapid reverse surface drilling and tapping processing efficiency of the brass alloy faucet body can be effectively improved.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a front view of the present utility model.
FIG. 3 is a schematic view of the present utility model with the dust cap removed.
Fig. 4 is a schematic view of the structure of fig. 3 in another direction.
Fig. 5 is a schematic structural view of the connection of the eccentric wheel and the U-shaped slider in fig. 1.
In the figure: 1. a mounting frame; 2. a fixing groove; 3. a first electric slide rail; 4. the second electric sliding rail; 5. a mounting plate; 6. a motor; 7. a drill rod; 8. a support plate; 9. a rotating shaft; 10. a clamping seat; 11. a guide block; 12. a rack; 13. a gear; 14. a fixing plate; 15. a driving motor; 16. an eccentric wheel; 17. a U-shaped sliding block; 18. a clamping column; 19. an annular groove; 20. a cross plate; 21. a workpiece groove; 22. drilling a hole; 23. a stud; 24. a locking plate; 25. a lock nut; 26. a material receiving screen plate; 27. chip removal holes; 28. a material receiving box; 29. a first slide rail; 30. a first motor; 31. a first reciprocating screw rod; 32. a first sliding table; 33. a heat radiation hole; 34. a second slide rail; 35. a second motor; 36. a second reciprocating screw rod; 37. a second sliding table; 38. a dust cover; 39. a guide plate; 40. a guide groove; 41. and (5) a mounting seat.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-5, a brass alloy faucet body precision drilling and tapping processing mechanism, which comprises a mounting rack 1, two fixed slots 2 are symmetrically arranged on the mounting rack 1, a first electric slide rail 3 is fixedly connected to the vertical side wall of the mounting rack 1, a second electric slide rail 4 is slidably connected to the first electric slide rail 3, a mounting plate 5 is fixedly connected to the second electric slide rail 4, a plurality of motors 6 are fixedly connected to the mounting plate 5, the output ends of the motors 6 are fixedly connected with a drill rod 7, two support plates 8 are fixedly connected to the fixed slots 2, two rotating shafts 9 are fixedly connected to the support plates 8, two clamping seats 10 are fixedly connected to the rotating shafts 9, two guide blocks 11 are fixedly connected to the mounting rack 1, one rack 12 is movably sleeved in the guide blocks 11, a gear 13 meshed with the rack 12 is fixedly connected to the outer fixed sleeve of the rotating shafts 9, a driving motor 15 is fixedly connected to the mounting plate 14, a driving wheel 15 is fixedly connected to the output end of the motor 6 is fixedly connected to a drill rod 7, two rotating shafts 9 are fixedly connected to the rotating shafts 16, two clamping seats are fixedly connected to the U-shaped groove 19, and one end of the eccentric column 18 is fixedly connected to the eccentric column 18, and two ends of the eccentric column 18 are fixedly connected to the U-shaped slide blocks 17.
In this embodiment, when boring and attacking, place the fixed centre gripping on grip slipper 10 with brass alloy tap body, control first electronic slide rail 3 and the operation of second electronic slide rail 4, control a plurality of motors 6 move down, control motor 6 operation, a plurality of drilling rods 7 rotate is driven to a plurality of motors 6, a plurality of drilling rods 7 can carry out the brill to the one side of brass alloy tap body and attack the processing, control driving motor 15 operation, driving motor 15 drives eccentric wheel 16 rotation, eccentric wheel 16 drives the left and right reciprocating motion of U type slider 17, U type slider 17 drives rack 12 reciprocating motion, rack 12 drive gear 13 reciprocating rotation, gear 13 drives pivot 9 rotation, pivot 9 drives grip slipper 10 upset ninety degrees, thereby can carry out the reverse side to the brass alloy tap body on grip slipper 10, thereby can carry out processing to the another side of brass alloy tap body, easy operation is convenient, can carry out quick reverse side to bore the brass alloy tap body and attack, the machining efficiency of boring processing mechanism has effectually improved.
The clamping seat 10 comprises a transverse plate 20 fixedly connected between two rotating shafts 9, a plurality of workpiece grooves 21 are uniformly formed in the transverse plate 20, a plurality of drilling holes 22 communicated with the workpiece grooves 21 are formed in the transverse plate 20, a plurality of studs 23 are uniformly and fixedly connected to the transverse plate 20, locking plates 24 are movably sleeved outside the studs 23, locking nuts 25 are sleeved outside the studs 23, and the locking nuts 25 are located above the locking plates 24.
In this embodiment, when in use, the brass alloy faucet body is placed in the workpiece groove 21, the lock nut 25 is rotated, so that the lock nut 25 moves downwards, and the lock nut 25 drives the lock plate 24 to move downwards to limit the brass alloy faucet body.
The inside fixedly connected with of mounting bracket 1 connects material otter board 26, connect material otter board 26 to be located the below of diaphragm 20, offer a plurality of chip removal holes 27 with work piece groove 21 intercommunication on the diaphragm 20, connect the below of material otter board 26 to be provided with and connect workbin 28.
In this embodiment, the material receiving screen 26 and the material receiving box 28 are provided in cooperation with each other, so that the convenience of collection of the scraps can be improved.
The first electric sliding rail 3 comprises a first sliding rail 29 fixedly connected to the mounting frame 1, a first motor 30 is fixedly connected to the first sliding rail 29, a first reciprocating screw rod 31 is fixedly connected to the output end of the first motor 30, a first sliding table 32 is sleeved on the outer thread of the first reciprocating screw rod 31, and the second electric sliding rail 4 is fixedly connected to the first sliding table 32.
The fixing plate 14 is provided with a heat dissipation hole 33, and the heat dissipation hole 33 is located below the driving motor 15.
In the present embodiment, the heat dissipation holes 33 are provided to enable improvement of the heat dissipation efficiency of the drive motor 15.
The second electric sliding rail 4 comprises a second sliding rail 34 fixedly connected to the first sliding table 32, a second motor 35 is fixedly connected to the second sliding rail 34, a second reciprocating screw rod 36 is fixedly connected to the output end of the second motor 35, a second sliding table 37 is sleeved on the outer thread of the second reciprocating screw rod 36, and the mounting plate 5 is fixedly connected to the second sliding table 37.
In the above embodiment, the second motor 35 drives the second reciprocating screw 36 to rotate, and the second reciprocating screw 36 drives the second slide table 37 to move.
The dustproof cover 38 is fixedly connected to the mounting frame 1, and the dustproof cover 38 is made of transparent plastic.
In the above embodiment, the dust cover 38 is provided to improve the dust-proof performance of the drilling and tapping mechanism.
Two guide plates 39 are symmetrically and fixedly connected to the first sliding table 32 and the second sliding table 37, two guide grooves 40 are symmetrically formed in the first sliding rail 29 and the second sliding rail 34, and the guide plates 39 are located in the guide grooves 40.
In the present embodiment, the guide plate 39 and the guide groove 40 are provided to cooperate with each other, so that the sliding stability of the first slide table 32 and the second slide table 37 can be improved.
The fixing plate 14 is made of stainless steel.
The output end of the motor 6 is fixedly connected with a mounting seat 41, and the drill rod 7 is fixedly connected to the mounting seat 41.
In the present embodiment, the mounting seat 41 is provided to improve the convenience of mounting the drill rod 7.
The working principle of the utility model is as follows:
during drilling, the brass alloy faucet body is placed on the clamping seat 10 to be fixedly clamped, the first electric sliding rail 3 and the second electric sliding rail 4 are controlled to operate, the motors 6 are controlled to move downwards, the motors 6 are controlled to operate, the motors 6 drive the drill rods 7 to rotate, the drill rods 7 can drill one face of the brass alloy faucet body, the driving motor 15 is controlled to operate, the driving motor 15 drives the eccentric wheel 16 to rotate, the eccentric wheel 16 drives the U-shaped sliding block 17 to reciprocate left and right, the U-shaped sliding block 17 drives the rack 12 to reciprocate, the rack 12 drives the gear 13 to reciprocate, the gear 13 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the clamping seat 10 to overturn ninety degrees, so that the brass alloy faucet body on the clamping seat 10 can be processed on the other face of the brass alloy faucet body, the brass alloy faucet body can be rapidly drilled on the reverse face, and the machining efficiency of a drilling and tapping machining mechanism is effectively improved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model.
Although 1, the mount is used more herein; 2. a fixing groove; 3. a first electric slide rail; 4. the second electric sliding rail; 5. a mounting plate; 6. a motor; 7. a drill rod; 8. a support plate; 9. a rotating shaft; 10. a clamping seat; 11. a guide block; 12. a rack; 13. a gear; 14. a fixing plate; 15. a driving motor; 16. an eccentric wheel; 17. a U-shaped sliding block; 18. a clamping column; 19. an annular groove; 20. a cross plate; 21. a workpiece groove; 22. drilling a hole; 23. a stud; 24. a locking plate; 25. a lock nut; 26. a material receiving screen plate; 27. chip removal holes; 28. a material receiving box; 29. a first slide rail; 30. a first motor; 31. a first reciprocating screw rod; 32. a first sliding table; 33. a heat radiation hole; 34. a second slide rail; 35. a second motor; 36. a second reciprocating screw rod; 37. a second sliding table; 38. a dust cover; 39. a guide plate; 40. a guide groove; 41. mount, etc., but does not exclude the possibility of using other terms. These terms are only used to more conveniently describe and explain the nature of the utility model and should be construed in a manner consistent with their spirit and scope.
Claims (10)
1. The utility model provides a brass alloy tap body precision drilling and tapping processing mechanism, includes mounting bracket (1), its characterized in that, two fixed slots (2) have been seted up to symmetry on mounting bracket (1), the first electronic slide rail (3) of vertical lateral wall fixedly connected with of mounting bracket (1), sliding connection has second electronic slide rail (4) on first electronic slide rail (3), fixedly connected with mounting panel (5) on second electronic slide rail (4), fixedly connected with a plurality of motors (6) on mounting panel (5), the output fixedly connected with drilling rod (7) of motor (6), two equal fixedly connected with backup pad (8) in fixed slot (2), two equal rotation connection has pivot (9) on backup pad (8), two fixedly connected with same grip slipper (10) between pivot (9), fixedly connected with two guide blocks (11) on mounting bracket (1), two in-connection has same rack (12), outer fixedly connected with rack (12) with motor (14) on pivot (14) fixedly connected with driving plate (14), the output end of the driving motor (15) is fixedly connected with an eccentric wheel (16), one end of the rack (12) is fixedly connected with a U-shaped sliding block (17), a clamping column (18) is fixedly connected to the U-shaped sliding block (17), an annular groove (19) is formed in the eccentric wheel (16), and the clamping column (18) is located in the annular groove (19).
2. The precise drilling and tapping machining mechanism for the brass alloy faucet body according to claim 1, wherein the clamping seat (10) comprises a transverse plate (20) fixedly connected between two rotating shafts (9), a plurality of workpiece grooves (21) are uniformly formed in the transverse plate (20), a plurality of drilling holes (22) communicated with the workpiece grooves (21) are formed in the transverse plate (20), a plurality of studs (23) are uniformly and fixedly connected to the transverse plate (20), a locking plate (24) is arranged on an outer movable sleeve of each stud (23), a locking nut (25) is arranged on an outer threaded sleeve of each stud (23), and the locking nut (25) is located above the locking plate (24).
3. The precise drilling and tapping machining mechanism for the brass alloy faucet body according to claim 2, wherein a material receiving screen plate (26) is fixedly connected in the mounting frame (1), the material receiving screen plate (26) is located below the transverse plate (20), a plurality of chip removal holes (27) communicated with the workpiece groove (21) are formed in the transverse plate (20), and a material receiving box (28) is arranged below the material receiving screen plate (26).
4. The precise drilling and tapping machining mechanism for the brass alloy faucet body according to claim 3, wherein the first electric sliding rail (3) comprises a first sliding rail (29) fixedly connected to the mounting frame (1), a first motor (30) is fixedly connected to the first sliding rail (29), a first reciprocating screw (31) is fixedly connected to the output end of the first motor (30), a first sliding table (32) is sleeved on the outer thread of the first reciprocating screw (31), and the second electric sliding rail (4) is fixedly connected to the first sliding table (32).
5. The precise drilling and tapping machining mechanism for the brass alloy faucet body according to claim 4, wherein the fixing plate (14) is provided with a heat dissipation hole (33), and the heat dissipation hole (33) is located below the driving motor (15).
6. The precise drilling and tapping machining mechanism for the brass alloy faucet body according to claim 5, wherein the second electric sliding rail (4) comprises a second sliding rail (34) fixedly connected to the first sliding table (32), a second motor (35) is fixedly connected to the second sliding rail (34), a second reciprocating screw (36) is fixedly connected to the output end of the second motor (35), a second sliding table (37) is sleeved on the outer thread of the second reciprocating screw (36), and the mounting plate (5) is fixedly connected to the second sliding table (37).
7. The precise drilling and tapping machining mechanism for the brass alloy faucet body according to claim 6, wherein a dust cover (38) is fixedly connected to the mounting frame (1), and the dust cover (38) is made of transparent plastic.
8. The precise drilling and tapping machining mechanism for the brass alloy faucet body according to claim 7, wherein two guide plates (39) are symmetrically and fixedly connected to the first sliding table (32) and the second sliding table (37), two guide grooves (40) are symmetrically formed in the first sliding rail (29) and the second sliding rail (34), and the guide plates (39) are located in the guide grooves (40).
9. The precise drilling and tapping machining mechanism for the brass alloy faucet body according to claim 8, wherein the fixing plate (14) is made of stainless steel.
10. The precise drilling and tapping machining mechanism for the brass alloy faucet body according to claim 9, wherein the output end of the motor (6) is fixedly connected with a mounting seat (41), and the drill rod (7) is fixedly connected to the mounting seat (41).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321313467.2U CN220006069U (en) | 2023-05-26 | 2023-05-26 | Precise drilling and tapping machining mechanism for brass alloy faucet body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321313467.2U CN220006069U (en) | 2023-05-26 | 2023-05-26 | Precise drilling and tapping machining mechanism for brass alloy faucet body |
Publications (1)
Publication Number | Publication Date |
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CN220006069U true CN220006069U (en) | 2023-11-14 |
Family
ID=88685688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321313467.2U Active CN220006069U (en) | 2023-05-26 | 2023-05-26 | Precise drilling and tapping machining mechanism for brass alloy faucet body |
Country Status (1)
Country | Link |
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CN (1) | CN220006069U (en) |
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2023
- 2023-05-26 CN CN202321313467.2U patent/CN220006069U/en active Active
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