CN114918454B - Door closer end cover drilling equipment - Google Patents
Door closer end cover drilling equipment Download PDFInfo
- Publication number
- CN114918454B CN114918454B CN202210655237.8A CN202210655237A CN114918454B CN 114918454 B CN114918454 B CN 114918454B CN 202210655237 A CN202210655237 A CN 202210655237A CN 114918454 B CN114918454 B CN 114918454B
- Authority
- CN
- China
- Prior art keywords
- plate
- fixedly connected
- processing platform
- guide
- sleeve
- 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 16
- 238000001125 extrusion Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 238000007664 blowing Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 238000003754 machining Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 8
- 230000006835 compression Effects 0.000 abstract description 6
- 238000007906 compression Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/005—Devices for removing chips by blowing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The application discloses door closer end cover drilling equipment, which particularly relates to the field of door closer manufacturing, and comprises a processing platform and a top plate, wherein a plurality of drill bits are arranged on the top plate, the top plate is positioned right above the processing platform, a plurality of limiting blocks are fixedly connected to the processing platform, the limiting blocks are U-shaped, a clamping mechanism for clamping end covers positioned in the limiting blocks is arranged below the processing platform, a compression rod can drive a fixed disc and a driving plate to move downwards together in the downward moving process, when the driving plate drives a guide rod to extend into a guide cylinder, the guide rod slides along the inner wall of the guide cylinder and drives the driving plate to rotate, the driving plate and the fixed disc rotate relatively while rotating, one side of the driving plate can drive the rotating plate to slide in a guide rail while rotating, the extrusion block extrudes the end covers in the limiting blocks, the end covers are firmly pressed in the limiting blocks, and simultaneously the plurality of end covers are clamped, so that the efficiency of clamping the end covers is greatly improved.
Description
Technical Field
The application relates to the field of door closer manufacturing, in particular to door closer end cover drilling equipment.
Background
In the manufacturing process of the door closer, various parts in the door closer need to be subjected to processes such as casting, honing, drilling, tapping and the like, and particularly when the end covers of the door closer are drilled, a tapping and drilling integrated machine is generally utilized to process a plurality of end covers simultaneously, but before the end covers are processed, the end covers need to be put into processing positions one by one, and the end covers are clamped by bolts and nuts, so that the process is troublesome.
Disclosure of Invention
In order to overcome the defects in the prior art, the application provides door closer end cover drilling equipment, which aims to solve the technical problems that: before machining the end caps, a plurality of end caps need to be placed in machining positions one by one, and the end caps are clamped by bolts and nuts, so that the process is troublesome.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a door closer end cover drilling equipment, includes processing platform and roof, be provided with a plurality of drill bits on the roof, the roof is located processing platform directly over, fixedly connected with a plurality of stopper on the processing platform, the shape of stopper is the U-shaped, processing platform's below is provided with the clamping mechanism who is used for pressing from both sides the end cover that will be located the stopper.
Preferably, the clamping mechanism comprises a driving assembly and an executing assembly, the executing assembly comprises a squeezing block, a driving plate, guide rails, rotating plates, connecting plates and fixing plates, the driving plates are arranged below the processing platform at intervals, a plurality of guide rails are arranged on the driving plates, the fixing plates are elastically connected to the driving plates in a rotating mode, the rotating plates are arranged on the fixing plates, the rotating plates and the guide rails are correspondingly arranged, one ends of the rotating plates are rotatably connected to the fixing plates, the other ends of the rotating plates slide in the guide rails, and the rotating plates are fixedly connected with the squeezing blocks through the connecting plates.
Preferably, the drive assembly includes bottom plate, guide cylinder, depression bar and guide bar, bottom plate and ground fixed connection, fixedly connected with guide cylinder on the bottom plate, the chute has been seted up in the guide cylinder, drive plate lower extreme fixedly connected with guide bar, the guide bar is contradicted in the chute and is slided. The driving plate can rotate relative to the bottom plate, and the fixed disc and the bottom plate do not rotate relative to each other. And the top plate is fixedly connected with a pressing rod, and the pressing rod is fixedly connected with the fixed disc. The drive plate is movable up and down relative to the base plate by a fixed plate.
Preferably, the bottom plate is fixedly connected with a sleeve, a sliding plate is elastically connected in the sleeve, the sliding plate is in airtight sliding connection with the sleeve, one side of the sleeve is communicated with the blowing pipe, and one end of the blowing pipe away from the sleeve is located on one side of the limiting block.
Preferably, a filter screen is fixedly connected to one end of the blowing pipe, which is far away from the sleeve.
The application has the technical effects and advantages that:
the depression bar can drive fixed disk and drive plate and move down jointly at the in-process of moving down, when the drive plate drives the guide bar and stretches into in the guide cylinder, the guide bar can receive the extrusion of the inner wall of the slope of guide cylinder for the guide bar slides along the inner wall of guide cylinder and drives the drive plate and rotate, in the pivoted, relative rotation takes place for drive plate and fixed disk, the drive plate can drive one side of rotating plate and slide in the guide rail in the pivoted, the connecting plate drives the extrusion piece and extrudees the end cover in the stopper, in order to firmly press the end cover in the stopper, press from both sides a plurality of end covers simultaneously, the efficiency of pressing from both sides tight end cover has been improved greatly.
When drilling, the compression bar can stretch into in the sleeve, the compression bar passes through and the slide takes place the interference effect between. In the process of sliding plate downward movement, air in the sliding plate can be extruded, and the air blows away the cuttings produced during drilling through the guiding effect of the blowpipe, so that the cleanliness of the machining platform is guaranteed, and meanwhile, the setting of the filter screen can also prevent the cuttings from entering the sleeve.
Drawings
Fig. 1 is a schematic structural view of a door closer end cap drilling apparatus of the present application.
FIG. 2 is a schematic view of the structure of the extrusion block of the present application.
Fig. 3 is a schematic structural view of the driving plate of the present application.
Fig. 4 is a schematic structural view of the base plate of the present application.
FIG. 5 is a schematic view of the structure of the skateboard of the present application.
The reference numerals are:
1. a top plate; 2. a drill bit; 3. a processing platform; 4. a limiting block; 5. extruding a block; 6. a driving plate; 7. a guide rail; 8. a rotating plate; 9. a connecting plate; 10. a fixed plate; 11. a sleeve; 12. a guide cylinder; 13. a guide rod; 14. a slide plate; 15. a chute; 16. a compression bar; 17. a bottom plate; 18. a blowing pipe.
Description of the embodiments
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples
Referring to fig. 1-4, a door closer end cover drilling device comprises a processing platform 3 and a top plate 1, wherein a plurality of drill bits 2 are arranged on the top plate 1, the top plate 1 is positioned right above the processing platform 3, a plurality of limiting blocks 4 are fixedly connected onto the processing platform 3, the limiting blocks 4 are U-shaped, and a clamping mechanism for clamping end covers positioned in the limiting blocks 4 is arranged below the processing platform 3. The clamping mechanism comprises a driving assembly and an executing assembly, the executing assembly comprises a squeezing block 5, a driving plate 6, guide rails 7, rotating plates 8, a connecting plate 9 and a fixed disc 10, the driving plate 6 is arranged below the processing platform 3 at intervals, a plurality of guide rails 7 are arranged on the driving plate 6, the fixed disc 10 is elastically rotated and connected on the driving plate 6, the rotating plates 8 are arranged on the fixed disc 10, the rotating plates 8 and the guide rails 7 are correspondingly arranged, one ends of the rotating plates 8 are rotationally connected on the fixed disc 10, and the other ends of the rotating plates slide in the guide rails 7, and the rotating plates 8 are fixedly connected with the squeezing block 5 through the connecting plate 9. The driving assembly comprises a bottom plate 17, a guide cylinder 12, a pressing rod 16 and a guide rod 13, wherein the bottom plate 17 is fixedly connected with the ground, the guide cylinder 12 is fixedly connected to the bottom plate 17, a chute 15 is formed in the guide cylinder 12, the lower end of the driving plate 6 is fixedly connected with the guide rod 13, and the guide rod 13 is in abutting sliding in the chute 15. The drive plate 6 is rotatable relative to the base plate 17, and the fixed disk 10 and the base plate 17 do not rotate relative to each other. The top plate 1 is fixedly connected with a pressing rod 16, and the pressing rod 16 is fixedly connected with the fixed disc 10. By means of the fixed disk 10, the drive plate 6 can be moved up and down relative to the base plate 17.
During the use, the top of roof 1 is connected with the motion end of telescopic equipment, if with the expansion end fixed connection of cylinder, under the drive of cylinder, make roof 1 can drive drill bit 2 and carry out the drilling to the door closer end cover that is located in stopper 4, in this process, roof 1 can drive depression bar 16 and move down jointly, and depression bar 16 can drive fixed disk 10 and drive plate 6 and move down jointly in the in-process that moves down, when drive plate 6 drives guide bar 13 and stretches into in the guide cylinder 12, guide bar 13 can receive the extrusion of the inner wall of slope of guide cylinder 12, make guide bar 13 slide along the inner wall of guide cylinder 12 and drive plate 6 and rotate, in the rotation, drive plate 6 can drive one side of rotating plate 8 and slide in guide rail 7 in the rotation, thereby change the position of rotating plate 8 on drive plate 6, rotating along the tie point between rotating plate 8 and the fixed disk 10, and drive extrusion piece 5 to the end cover in the stopper 4 through connecting plate 9 and extrude, in order to make the end cover that moves down to drive the stopper 1 in the stopper, can make the top plate 2 continue to tap in the stopper 2 in the time, can drive the top plate 1.
Examples
Referring to fig. 1-5, a sleeve 11 is fixedly connected to the bottom plate 17, a sliding plate 14 is elastically connected to the sleeve 11, the sliding plate 14 is in airtight sliding connection with the sleeve 11, one side of the sleeve 11 is communicated with a blowing pipe 18, and one end of the blowing pipe 18, far from the sleeve 11, is located at one side of the limiting block 4. A filter screen is fixedly connected to one end of the blowpipe 18 far away from the sleeve 11. While drilling, the compression bar 16 may extend into the sleeve 11, and the compression bar 16 may interfere with the slide plate 14. In the process of moving down the slide plate 14, air in the slide plate 14 can be extruded, and the air blows off the cuttings generated during drilling through the guiding function of the blowing pipe 18, so that the cleanliness of the machining platform 3 is ensured, and meanwhile, the cuttings can be prevented from entering the sleeve 11 by the arrangement of the filter screen.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the application are intended to be included within the scope of the application.
Claims (1)
1. The utility model provides a door closer end cover drilling equipment, includes processing platform (3) and roof (1), be provided with a plurality of drill bits (2) on roof (1), roof (1) are located processing platform (3), its characterized in that: a plurality of limiting blocks (4) are fixedly connected to the processing platform (3), the limiting blocks (4) are U-shaped, and a clamping mechanism for clamping an end cover positioned in the limiting blocks (4) is arranged below the processing platform (3);
the clamping mechanism comprises a driving assembly and an executing assembly, the executing assembly comprises an extrusion block (5), a driving plate (6), guide rails (7), a rotating plate (8), a connecting plate (9) and a fixed disc (10), the driving plate (6) is arranged below the machining platform (3) at intervals, a plurality of guide rails (7) are arranged on the driving plate (6), the fixed disc (10) is elastically connected onto the driving plate (6) in a rotating mode, the rotating plate (8) is arranged on the fixed disc (10), the rotating plate (8) and the guide rails (7) are correspondingly arranged, one end of the rotating plate (8) is rotatably connected onto the fixed disc (10) and the other end of the rotating plate slides in the guide rails (7), and the rotating plate (8) is fixedly connected with the extrusion block (5) through the connecting plate (9);
the driving assembly comprises a bottom plate (17), a guide cylinder (12), a pressing rod (16) and a guide rod (13), wherein the bottom plate (17) is fixedly connected with the ground, the guide cylinder (12) is fixedly connected to the bottom plate (17), a chute (15) is formed in the guide cylinder (12), the guide rod (13) is fixedly connected to the lower end of the driving plate (6), the guide rod (13) is in abutting sliding in the chute (15), the pressing rod (16) is fixedly connected to the top plate (1), and the pressing rod (16) is fixedly connected with the fixed disc (10);
the base plate (17) is fixedly connected with a sleeve (11), a sliding plate (14) is elastically connected in the sleeve (11), the sliding plate (14) is in airtight sliding connection with the sleeve (11), one side of the sleeve (11) is communicated with a blowing pipe (18), and one end of the blowing pipe (18) away from the sleeve (11) is located at one side of the limiting block (4);
the end of the blowing pipe (18) far away from the sleeve (11) is fixedly connected with a filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210655237.8A CN114918454B (en) | 2022-06-10 | 2022-06-10 | Door closer end cover drilling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210655237.8A CN114918454B (en) | 2022-06-10 | 2022-06-10 | Door closer end cover drilling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114918454A CN114918454A (en) | 2022-08-19 |
| CN114918454B true CN114918454B (en) | 2023-10-20 |
Family
ID=82813718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210655237.8A Active CN114918454B (en) | 2022-06-10 | 2022-06-10 | Door closer end cover drilling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114918454B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909739A (en) * | 2019-03-15 | 2019-06-21 | 山东大学 | A kind of synchronous radial expansion of tire mould block spells circle device and spells circle implementation method |
| CN209189837U (en) * | 2018-11-25 | 2019-08-02 | 重庆金丰机械有限公司 | Retarder drilling device for flange plate |
| CN209439490U (en) * | 2018-12-21 | 2019-09-27 | 惠州市晟丰精密部件有限公司 | A kind of drilling processing fixed fixture |
| CN111673118A (en) * | 2020-06-24 | 2020-09-18 | 合肥智启源信息科技有限公司 | Drilling equipment is used in computer production |
| CN111804942A (en) * | 2020-06-24 | 2020-10-23 | 英诺莱比（北京）科技有限公司 | Center-sharing clamping tool |
| CN112846840A (en) * | 2019-11-28 | 2021-05-28 | 陕西集鑫广汇科技商务有限责任公司 | Shaft fixture |
| CN113211128A (en) * | 2021-05-11 | 2021-08-06 | 路跃武 | Automatic clamp of numerical control machine tool |
| CN214392436U (en) * | 2020-11-26 | 2021-10-15 | 河北燕京玻璃制品有限公司 | Die step type exhaust groove processing device |
| CN216176834U (en) * | 2021-11-10 | 2022-04-05 | 招远市金兴机械制造有限公司 | Slewing bearing's processingequipment |
| CN114310398A (en) * | 2022-01-26 | 2022-04-12 | 无锡职业技术学院 | Numerical control lathe fixture suitable for thin-wall device |
| WO2022109997A1 (en) * | 2020-11-26 | 2022-06-02 | 吴江市宏瑞精密机械厂 | Mechanical accessory grinding and drilling integrated device |
-
2022
- 2022-06-10 CN CN202210655237.8A patent/CN114918454B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209189837U (en) * | 2018-11-25 | 2019-08-02 | 重庆金丰机械有限公司 | Retarder drilling device for flange plate |
| CN209439490U (en) * | 2018-12-21 | 2019-09-27 | 惠州市晟丰精密部件有限公司 | A kind of drilling processing fixed fixture |
| CN109909739A (en) * | 2019-03-15 | 2019-06-21 | 山东大学 | A kind of synchronous radial expansion of tire mould block spells circle device and spells circle implementation method |
| CN112846840A (en) * | 2019-11-28 | 2021-05-28 | 陕西集鑫广汇科技商务有限责任公司 | Shaft fixture |
| CN111673118A (en) * | 2020-06-24 | 2020-09-18 | 合肥智启源信息科技有限公司 | Drilling equipment is used in computer production |
| CN111804942A (en) * | 2020-06-24 | 2020-10-23 | 英诺莱比（北京）科技有限公司 | Center-sharing clamping tool |
| CN214392436U (en) * | 2020-11-26 | 2021-10-15 | 河北燕京玻璃制品有限公司 | Die step type exhaust groove processing device |
| WO2022109997A1 (en) * | 2020-11-26 | 2022-06-02 | 吴江市宏瑞精密机械厂 | Mechanical accessory grinding and drilling integrated device |
| CN113211128A (en) * | 2021-05-11 | 2021-08-06 | 路跃武 | Automatic clamp of numerical control machine tool |
| CN216176834U (en) * | 2021-11-10 | 2022-04-05 | 招远市金兴机械制造有限公司 | Slewing bearing's processingequipment |
| CN114310398A (en) * | 2022-01-26 | 2022-04-12 | 无锡职业技术学院 | Numerical control lathe fixture suitable for thin-wall device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114918454A (en) | 2022-08-19 |
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