CN107708906A - The Thread Machining Process of wave filter and its cover plate and filter cover board - Google Patents
The Thread Machining Process of wave filter and its cover plate and filter cover board Download PDFInfo
- Publication number
- CN107708906A CN107708906A CN201580079778.9A CN201580079778A CN107708906A CN 107708906 A CN107708906 A CN 107708906A CN 201580079778 A CN201580079778 A CN 201580079778A CN 107708906 A CN107708906 A CN 107708906A
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- Prior art keywords
- hole
- chamfering
- punched
- cover plate
- tapping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G5/00—Thread-cutting tools; Die-heads
- B23G5/20—Thread-cutting tools; Die-heads combined with other tools, e.g. drills
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The Thread Machining Process of filter cover board and comprised the following steps using wave filter and its cover plate made from the processing technology, the processing technology：The position for needing to manufacture screwed hole on cover plate (400,500) processes pre-punched hole；Carry out tapping disposable to pre-punched hole and chamfering form screwed hole.Using above-mentioned processing technology of threaded holes, tapping and chamfering can be completed in a process, improve processing efficiency.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of communication product manufacturing, in particular to a filter, a cover plate thereof and a threaded hole machining process of the cover plate of the filter.
[ background of the invention ]
The filter is a common communication product and mainly comprises a cavity and a cover plate, and the cavity and the cover plate can be connected through screw fastening, soldering, laser welding and the like. In consideration of cost and fastening performance, a screw fastening mode is generally selected, and a plurality of threaded holes are correspondingly formed in the cover plate.
In the prior art, the numerical control machine tool is mainly adopted to finish two working procedures of tapping and chamfering one by one on a cover plate, and the two working procedures need to be finished successively by adopting the mode, so that the processing efficiency is low, and the time cost is wasted.
[ summary of the invention ]
In order to solve the problem of low processing efficiency in the prior art, the embodiment of the invention provides a filter, a cover plate of the filter and a processing technology of a threaded hole of the cover plate of the filter.
The technical scheme adopted by the embodiment of the invention for solving the technical problems is to provide a processing technology for a threaded hole of a filter cover plate, and the processing technology comprises the following steps: firstly, punching and processing a pre-punched hole at the position of the cover plate where the threaded hole is to be processed; the chamfering and tapping integrated device is adopted to perform tapping and chamfering processing on the pre-punched hole at one time, the chamfering and tapping integrated device comprises a screw tap, a chamfering device and a spring, and the chamfering device is sleeved on the screw tap and is in circumferential meshing and axial sliding connection with the screw tap; the spring is sleeved on the screw tap, and two ends of the spring are respectively and fixedly connected with the chamfering device and the screw tap; the screw tap is rotatably penetrated into the pre-punched hole for tapping, and the chamfering device is compressed in the hole opening of the pre-punched hole through the spring; after tapping is completed, the screw tap rotates to withdraw the pre-punched hole and drives the chamfering device to rotate synchronously, and the spring compresses the chamfering device to enable the chamfering device to generate cutting force on the hole opening of the pre-punched hole during rotation, so that chamfering of the hole opening is completed, and a threaded hole is formed.
Wherein, the screw hole includes first screw hole and second screw hole, and processing technology includes: processing a first pre-punched hole at a position on the cover plate where a first threaded hole is to be processed; tapping and chamfering the first pre-punched hole at one time to form a first threaded hole; processing a second pre-punched hole at the position, where a second threaded hole is to be processed, on the cover plate; and tapping and chamfering the second pre-punched hole at one time to form a second threaded hole.
In the machining process, a step of machining a first pre-punched hole in a position, where a first threaded hole is to be machined, on the cover plate and a step of machining a second pre-punched hole in a position, where a second threaded hole is to be machined, on the cover plate are carried out simultaneously; the step of tapping and chamfering the first pre-punched hole to form the first threaded hole is performed at one time, and the step of tapping and chamfering the second pre-punched hole to form the second threaded hole is performed at one time.
The first threaded hole is an M4 threaded hole, and the second threaded hole is an M5 threaded hole.
Wherein, first screw hole is more than two, and processing technology includes: at least two first pre-punched holes are processed on the cover plate at a time.
Wherein, the processing technology comprises the following steps: and simultaneously tapping and chamfering the more than two first pre-punched holes at a time to form more than two first threaded holes.
The technical scheme adopted by the embodiment of the invention for solving the technical problems is to provide a processing technology for a threaded hole of a filter cover plate, and the processing technology comprises the following steps: processing a pre-punched hole at the position of a threaded hole to be processed on the cover plate; and tapping and chamfering the pre-punched hole at one time to form a threaded hole.
Wherein, once only carry out tapping and chamfer processing to punching a hole in advance and form the step that the screw hole includes: the chamfering and tapping integrated device is adopted to perform tapping and chamfering processing on the pre-punched hole at one time, the chamfering and tapping integrated device comprises a screw tap, a chamfering device and a spring, and the chamfering device is sleeved on the screw tap and is in circumferential meshing and axial sliding connection with the screw tap; the spring is sleeved on the screw tap, and two ends of the spring are respectively and fixedly connected with the chamfering device and the screw tap; the screw tap is rotatably penetrated into the pre-punched hole for tapping, and the chamfering device is compressed in the hole opening of the pre-punched hole through the spring; after tapping is completed, the screw tap rotates to withdraw the pre-punched hole and drives the chamfering device to rotate synchronously, and the spring compresses the chamfering device to enable the chamfering device to generate cutting force on the hole opening of the pre-punched hole during rotation, so that chamfering of the hole opening is completed, and a threaded hole is formed.
Wherein, the screw hole includes first screw hole and second screw hole, and processing technology includes: processing a first pre-punched hole at a position on the cover plate where a first threaded hole is to be processed; tapping and chamfering the first pre-punched hole at one time to form a first threaded hole; processing a second pre-punched hole at the position, where a second threaded hole is to be processed, on the cover plate; and tapping and chamfering the second pre-punched hole at one time to form a second threaded hole.
In the machining process, a step of machining a first pre-punched hole in a position, where a first threaded hole is to be machined, on the cover plate and a step of machining a second pre-punched hole in a position, where a second threaded hole is to be machined, on the cover plate are carried out simultaneously; the step of tapping and chamfering the first pre-punched hole to form the first threaded hole is performed at one time, and the step of tapping and chamfering the second pre-punched hole to form the second threaded hole is performed at one time.
The first threaded hole is an M4 threaded hole, and the second threaded hole is an M5 threaded hole.
Wherein, first screw hole is more than two, and processing technology includes: at least two first pre-punched holes are processed on the cover plate at a time.
Wherein, the processing technology comprises the following steps: and simultaneously tapping and chamfering the more than two first pre-punched holes at a time to form more than two first threaded holes.
Wherein, the step of processing the pre-punched hole on the position of the cover plate where the threaded hole is to be processed comprises the following steps: and punching a pre-punched hole on the position to be processed with the threaded hole on the cover plate.
Another technical solution adopted by the embodiments of the present invention to solve the above technical problem is to provide a cover plate of a filter, where the cover plate includes a plurality of threaded holes, and the plurality of threaded holes are made by the above machining process.
Another technical solution adopted by the embodiments of the present invention to solve the above technical problem is to provide a filter, where the filter includes a cover plate, the cover plate includes a plurality of threaded holes, and the plurality of threaded holes are manufactured by the above processing technology.
Compared with the prior art, the processing technology of the threaded hole of the filter cover plate provided by the embodiment of the invention comprises the following steps: processing a pre-punched hole at the position of the cover plate where the threaded hole needs to be manufactured; and tapping and chamfering the pre-punched hole at one time to form a threaded hole. According to the invention, tapping and chamfering are completed in one process, namely, a cutter and a station do not need to be switched, tapping and chamfering can be efficiently completed, and the processing efficiency is improved.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced 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 drawings without creative efforts:
fig. 1 is a schematic flow chart of a first embodiment of a process for machining a threaded hole in a filter cover plate according to the invention;
FIG. 2 is a schematic flow chart of a second embodiment of the process for machining the threaded hole in the filter cover plate according to the invention;
FIG. 3 is a schematic illustration of the tapping and chamfering process in a second embodiment of the machining process of FIG. 2;
FIG. 4 is a schematic diagram of a filter cover according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an embodiment of the filter of the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of 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.
A processing technology for a threaded hole of a filter cover plate comprises the following steps: firstly, punching and processing a pre-punched hole at the position of the cover plate where the threaded hole is to be processed; the chamfering and tapping integrated device is adopted to perform tapping and chamfering processing on the pre-punched hole at one time, the chamfering and tapping integrated device comprises a screw tap, a chamfering device and a spring, and the chamfering device is sleeved on the screw tap and is in circumferential meshing and axial sliding connection with the screw tap; the spring is sleeved on the screw tap, and two ends of the spring are respectively and fixedly connected with the chamfering device and the screw tap; the screw tap is rotatably penetrated into the pre-punched hole for tapping, and the chamfering device is compressed in the hole opening of the pre-punched hole through the spring; after tapping is completed, the screw tap rotates to withdraw the pre-punched hole and drives the chamfering device to rotate synchronously, and the spring compresses the chamfering device to enable the chamfering device to generate cutting force on the hole opening of the pre-punched hole during rotation, so that chamfering of the hole opening is completed, and a threaded hole is formed.
A processing technology for a threaded hole of a filter cover plate comprises the following steps: processing a pre-punched hole at the position of the cover plate where the threaded hole needs to be manufactured; and tapping and chamfering the pre-punched hole at one time to form a threaded hole.
The cover plate of the filter comprises a plurality of threaded holes, and the threaded holes are manufactured by the machining process of the threaded holes of the cover plate of the filter.
A filter comprises a cover plate, wherein the cover plate comprises a plurality of threaded holes, and the threaded holes are manufactured through the machining process.
The present invention will be described in detail with reference to specific examples.
Referring to fig. 1, fig. 1 is a schematic flow chart of a first embodiment of a process for machining a threaded hole of a filter cover plate according to the present invention, the process of the first embodiment includes the steps of:
s101: and machining a pre-punched hole at the position of the cover plate where the threaded hole is to be machined.
The filter cover plate can be made of metal or plastic materials, and is connected with the filter cavity through screws to form the filter. Because the internal structure of the cavity of the filter is different, the positions of the screw connection are different for matching the internal structure, namely the positions of the threaded holes required to be manufactured on the cover plate of the filter are different for filters of different models and different manufacturers. Therefore, in this step, the position where the threaded hole needs to be manufactured is first determined, and then the pre-punched hole is machined at that position.
Specifically, the pre-punched hole is processed by punching, drilling, or the like. When the cover plate is thin, a blanking mode is generally adopted, namely a punch moves up and down to directly punch a pre-punched hole; when the apron is thicker, adopt the mode of drilling, still carry out rotary motion when the drift up-and-down motion to carry out the extrusion in the equidirectional not to the material of punchinking hole department in advance, be difficult to cause the deformation of punching a hole in advance.
S102: and tapping and chamfering the pre-punched hole at one time to form a threaded hole.
For pre-punching, under the condition of not changing a cutter and a station, tapping is performed at one time to form a threaded hole, and chamfering and deburring are performed on an orifice of the threaded hole, so that the whole processing technology is simplified, and the production efficiency is improved.
Referring to fig. 2, fig. 2 is a schematic flow chart of a second embodiment of a process for machining a threaded hole in a filter cover plate according to the present invention, the process of the present embodiment includes the steps of:
s201: and machining a pre-punched hole at the position of the cover plate where the threaded hole is to be machined.
Similar to step S101 in the first embodiment of the processing technology, detailed description is omitted. It should be noted that in this embodiment, the filter is used as a communication product, a plurality of screws are usually required to achieve the threaded connection between the cover plate and the cavity, a plurality of threaded holes need to be processed on the corresponding cover plate,
in this step, all the pre-punched holes may be formed at one time, or the pre-punched holes may be completed one by one. Generally speaking, a plurality of pre-punched holes are processed simultaneously, a plurality of punching knives are correspondingly needed, even multi-axis control of a machine tool is needed, the requirement on the machine tool is high, and the cost of the machine tool is high; therefore, the pre-punching is generally performed one by one, that is, the punching path of the filter cover plate is first programmed and formed on the numerical control machine, and then the punching is performed one by one. The processing of pre-punching holes on the cover plate can be realized by a single punching tool of the single-shaft machine tool. Of course, for the thin cover plate, a corresponding die with a protrusion can be arranged corresponding to the pre-punching position, and one-time blanking of all pre-punching holes is realized through the die.
After step S201 is completed, the pre-punched hole is tapped and chamfered at one time by using the chamfering and tapping integrated machine. Referring to fig. 3, fig. 3 is a schematic view illustrating a tapping and chamfering process according to a second embodiment of the machining process shown in fig. 2. The chamfering and tapping integrated device 300 comprises a screw tap 301, a chamfering device 302 and a spring 303, wherein the chamfering device 302 is sleeved on the screw tap 301 and is in circumferential meshing and axial sliding connection with the screw tap 301, the spring 303 is sleeved on the screw tap 301, and two ends of the spring 303 are fixedly connected with the chamfering device 302 and the screw tap 301 respectively. The specific process of the chamfering and tapping integrated device 300 pre-punching for one-time tapping and chamfering processing is as follows:
s202: and the screw tap is rotatably penetrated into the pre-punched hole for tapping, and the chamfering device is compressed to the hole opening of the pre-punched hole through the spring.
Referring to fig. 3, in the process from fig. 3 (a) to fig. 3 (B), the tap 301 is rotated to penetrate into the pre-punched hole for tapping, and at this time, the chamfering unit 302 does not rotate, and as the tap 301 penetrates into the pre-punched hole, the chamfering unit 302 and the upper end of the tap 301 are close to each other, and the spring 303 is pressed, and at this time, although the chamfering unit 302 is pressed against the hole of the pre-punched hole by the spring 303, the hole cannot be cut.
S203: after tapping is completed, the screw tap rotates to withdraw the pre-punched hole and drives the chamfering device to rotate synchronously, and the spring compresses the chamfering device to enable the chamfering device to generate cutting force on the hole opening of the pre-punched hole during rotation, so that chamfering of the hole opening is completed, and a threaded hole is formed.
After tapping, the tap 301 reversely rotates to exit from the threaded hole, that is, in the process of returning to fig. 3 (B) from fig. 3 (a), at this time, the chamfering device 302 rotates along with the threaded hole, and under the action of the spring 303, the chamfering device 302 has a large pressure on the threaded hole, so that the chamfering device can generate a cutting force on the threaded hole to chamfer the cutting chips. As the screw tap 301 exits the threaded hole, the chamfer 302 is continuously away from the upper end of the screw tap 301, the acting force of the spring 303 is reduced, the pressure of the chamfer 302 on the hole is gradually reduced, and the cutting capacity of the chamfer 302 on the hole is reduced correspondingly.
Step S202 and step S203 are the same process in the specific machining process, that is, the tapping and chamfering process is completed by one tool at a time on the same machine tool. Step S202 and step S203, which may be the same as the machine tool of step S201, but different in tool; the tool may be different from the machine tool in step S201.
In this embodiment, a plurality of screw holes are provided, including a first screw hole and a second screw hole of different specifications, and for the filter, screw holes of M4 (nominal diameter of 4 mm) and M5 (nominal diameter of 5 mm) are generally used, that is, the first screw hole is an M4 screw hole, and the second screw hole is an M5 screw hole.
When the machine tools completing the three steps S201, S202, and S203 are the same, the machining process may be: step S201 to step S203 are carried out, a first pre-punched hole is machined, and then tapping chamfering of the first threaded hole is completed; and repeating the steps S201 to S203, machining a second pre-punched hole, and finishing the tapping chamfer of the second threaded hole.
The processing process can also be as follows: step S201 is carried out, and a first pre-punched hole and a second pre-punched hole are processed at the same time; performing steps S202 and S203, and simultaneously finishing tapping chamfering of the first threaded hole and the second threaded hole; at the moment, the machine tool is a multi-axis machine tool, and in step S201, the punching tools with different specifications are used for realizing the simultaneous processing of the first pre-punched hole and the second pre-punched hole; in steps S202 and S203, the first threaded hole and the second threaded hole are simultaneously tapped and chamfered by using chamfer and tap integrators of different specifications.
When the machine tool for completing the step S201 is different from the machine tool for completing the steps S202 and S203, firstly performing the step S201 to sequentially process a first pre-punched hole and a second pre-punched hole, or simultaneously processing the first pre-punched hole and the second pre-punched hole; and then transferring the cover plate to another machine tool, and sequentially carrying out tapping chamfering on the first pre-punched hole and the second pre-punched hole, or simultaneously carrying out tapping chamfering on the first pre-punched hole and the second pre-punched hole to obtain a first threaded hole and a second threaded hole.
At least two pre-punched holes may be machined in the cover plate at a time in step S201, and tapping and chamfering may be simultaneously performed on two or more pre-punched holes at a time to form a screw hole in steps S202 and S203. After the pre-punching of the pre-processing is completed, the structure of the cover plate is changed, and the change of the stress of each part on the cover plate can influence the punching quality during the subsequent punching. That is, the pre-punched holes in the preceding process will have a certain influence on the pre-punched holes in the following process. Therefore, the pre-punched holes with better quality can be obtained by finishing the processing of all the pre-punched holes at one time, and the threaded holes with better quality can also be obtained by finishing the tapping chamfers of all the pre-punched holes at one time. However, the number of the threaded holes needed on the cover plate of the filter is large, and the requirement on equipment for processing all the pre-punched holes at a time is high, so that in order to reduce the cost of the equipment and improve the processing quality, in the embodiment, 3 pre-punched holes are processed on the cover plate at a time, and after the processing of all the pre-punched holes is completed, the 3 pre-punched holes are simultaneously tapped and chamfered to form all the threaded holes.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a filter cover plate according to an embodiment of the present invention. The filter cover 400 of this embodiment includes a plurality of screw holes including a first screw hole 401 and a second screw hole 402 having different specifications, and a plurality of screw holes may be formed in both embodiments of the screw hole processing of the filter cover.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a filter according to an embodiment of the present invention. The filter 500 of this embodiment includes a filter cover plate 501 and a cavity 502, and the filter cover plate 501 includes a plurality of threaded holes, similar to the filter cover plate 400, where the plurality of threaded holes are also made by two embodiments of the above threaded hole machining process of the filter cover plate.
The processing technology of the threaded hole of the filter cover plate disclosed by the embodiment of the invention comprises the following steps: processing a pre-punched hole at the position of the cover plate where the threaded hole needs to be manufactured; and tapping and chamfering the pre-punched hole at one time to form a threaded hole. According to the invention, tapping and chamfering are completed in one process, namely, tools and stations do not need to be switched, so that the tapping and chamfering actions can be efficiently completed, and the processing efficiency is improved.
It should be noted that the terms "first", "second", and the like in the embodiments of the present invention are only the letter symbols adopted as needed, and are not limited thereto in practice, and the letter symbols may be used interchangeably.
In the above embodiments, only the embodiments of the present invention have been exemplarily described, but those skilled in the art, after reading the present patent application, may make various modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention.
Claims (16)
- The machining process of the threaded hole of the filter cover plate is characterized by comprising the following steps of:firstly, punching and processing a pre-punched hole at the position of the cover plate where the threaded hole is to be processed;tapping and chamfering are carried out on the pre-punched hole at one time by adopting a chamfering and tapping integrated device, the chamfering and tapping integrated device comprises a screw tap, a chamfering device and a spring, and the chamfering device is sleeved on the screw tap and is in circumferential meshing and axial sliding connection with the screw tap; the spring is sleeved on the screw tap, and two ends of the spring are respectively and fixedly connected with the chamfering device and the screw tap;the screw tap is rotatably penetrated into the pre-punched hole for tapping, and the chamfering device is compressed to the hole opening of the pre-punched hole through the spring;after tapping is completed, the screw tap rotates and retreats the pre-punched hole and drives the chamfering device to rotate synchronously, and the spring compresses the chamfering device to enable the chamfering device to generate cutting force on the hole opening of the pre-punched hole during rotation, so that chamfering of the hole opening is completed, and the threaded hole is formed.
- The process of claim 1, wherein the threaded bore comprises a first threaded bore and a second threaded bore, the process comprising:firstly, machining a first pre-punched hole at a position, where the first threaded hole is to be machined, on the cover plate;tapping and chamfering the first pre-punched hole at one time to form a first threaded hole;a second pre-punched hole is machined in the position, where the second threaded hole is to be machined, of the cover plate;and tapping and chamfering the second pre-punched hole at one time to form the second threaded hole.
- The process of claim 2, wherein the process comprises:the step of machining a first pre-punched hole in the position, where the first threaded hole is to be machined, of the cover plate is performed simultaneously with the step of machining a second pre-punched hole in the position, where the second threaded hole is to be machined, of the cover plate;the step of forming the first threaded hole by performing tapping and chamfering on the first pre-punched hole at one time is performed simultaneously with the step of forming the second threaded hole by performing tapping and chamfering on the second pre-punched hole at one time.
- The process of claim 2 wherein the first threaded hole is an M4 threaded hole and the second threaded hole is an M5 threaded hole.
- The process of claim 2, wherein the first threaded holes are two or more, the process comprising:at least two first pre-punched holes are processed on the cover plate at one time.
- The process of claim 5, wherein the process comprises:and simultaneously tapping and chamfering the first pre-punched holes more than two at a time to form more than two first threaded holes.
- The machining process of the threaded hole of the filter cover plate is characterized by comprising the following steps of:machining a pre-punched hole at the position, where the threaded hole is to be machined, on the cover plate;and tapping and chamfering the pre-punched hole at one time to form the threaded hole.
- The machining process according to claim 7, wherein the step of performing tapping and chamfering machining on the pre-punched hole at one time to form the threaded hole comprises the following steps of:tapping and chamfering are carried out on the pre-punched hole at one time by adopting a chamfering and tapping integrated device, the chamfering and tapping integrated device comprises a screw tap, a chamfering device and a spring, and the chamfering device is sleeved on the screw tap and is in circumferential meshing and axial sliding connection with the screw tap; the spring is sleeved on the screw tap, and two ends of the spring are respectively and fixedly connected with the chamfering device and the screw tap;the screw tap is rotatably penetrated into the pre-punched hole for tapping, and the chamfering device is compressed to the hole opening of the pre-punched hole through the spring;after tapping is completed, the screw tap rotates and retreats the pre-punched hole and drives the chamfering device to rotate synchronously, and the spring compresses the chamfering device to enable the chamfering device to generate cutting force on the hole opening of the pre-punched hole during rotation, so that chamfering of the hole opening is completed, and the threaded hole is formed.
- The process of claim 7, wherein the threaded bore includes a first threaded bore and a second threaded bore, the process comprising:firstly, machining a first pre-punched hole at a position, where the first threaded hole is to be machined, on the cover plate;tapping and chamfering the first pre-punched hole at one time to form a first threaded hole;a second pre-punched hole is machined in the position, where the second threaded hole is to be machined, of the cover plate;and tapping and chamfering the second pre-punched hole at one time to form the second threaded hole.
- The process of claim 9, wherein the process comprises:the step of machining a first pre-punched hole in the position, where the first threaded hole is to be machined, of the cover plate is performed simultaneously with the step of machining a second pre-punched hole in the position, where the second threaded hole is to be machined, of the cover plate;the step of forming the first threaded hole by performing tapping and chamfering on the first pre-punched hole at one time is performed simultaneously with the step of forming the second threaded hole by performing tapping and chamfering on the second pre-punched hole at one time.
- The process of claim 9 wherein the first threaded hole is an M4 threaded hole and the second threaded hole is an M5 threaded hole.
- The process of claim 9, wherein the first threaded holes are two or more, the process comprising:at least two first pre-punched holes are processed on the cover plate at one time.
- The process of claim 12, wherein the process comprises:and simultaneously tapping and chamfering the first pre-punched holes more than two at a time to form more than two first threaded holes.
- The process of claim 7, wherein the step of pre-punching the cover plate at a location where the threaded hole is to be machined comprises:and punching a pre-punched hole at the position of the cover plate where the threaded hole is to be processed.
- A filter cover plate, characterized in that it comprises a plurality of threaded holes, which are obtained by the machining process according to any one of claims 7 to 14.
- A filter, characterized in that it comprises a cover plate comprising a plurality of threaded holes made by the machining process according to any one of claims 7 to 14.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2015/099823 WO2017113168A1 (en) | 2015-12-30 | 2015-12-30 | Filter and cover plate thereof, and thread machining process for cover plate of filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107708906A true CN107708906A (en) | 2018-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201580079778.9A Pending CN107708906A (en) | 2015-12-30 | 2015-12-30 | The Thread Machining Process of wave filter and its cover plate and filter cover board |
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|---|---|
| CN (1) | CN107708906A (en) |
| WO (1) | WO2017113168A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378496B (en) * | 2017-09-02 | 2023-09-29 | 慈溪市天行电器有限公司 | Chamfering tapping machine for cover plate |
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| CN201768976U (en) * | 2010-09-07 | 2011-03-23 | 周现荣 | Tapping chamfer compound knife |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201201082Y (en) * | 2008-04-25 | 2009-03-04 | 潘端明 | Combined type tool bit for processing screwed hole |
| CN101894993A (en) * | 2010-07-14 | 2010-11-24 | 深圳市大富科技股份有限公司 | Communication equipment, cavity filter and tuning post thereof |
| CN203316859U (en) * | 2013-04-23 | 2013-12-04 | 杭州新智远数控设备有限公司 | Screw hole tapping and chamfering cutter |
| CN104038892A (en) * | 2014-06-25 | 2014-09-10 | 梧州恒声电子科技有限公司 | Processing technique for speaker frame with a plurality of tooth holes |
| CN204148675U (en) * | 2014-09-18 | 2015-02-11 | 东莞市欣业实业有限公司 | A kind of tapping automatic pouring hornwork |
-
2015
- 2015-12-30 WO PCT/CN2015/099823 patent/WO2017113168A1/en active Application Filing
- 2015-12-30 CN CN201580079778.9A patent/CN107708906A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0938828A (en) * | 1995-07-28 | 1997-02-10 | Sony Corp | Tap guide jig and female screw cutting method using jig thereof |
| JP2002028823A (en) * | 2000-07-14 | 2002-01-29 | Shigeru Akagaki | Tap guide |
| FR2913619A3 (en) * | 2007-03-16 | 2008-09-19 | Renault Sas | Multitasking tool for e.g. drilling threaded hole on engine part of motor vehicle, has chamfering part connected to body, and tapping cylinder with outer diameter that corresponds to inner diameter of hole |
| CN101807736A (en) * | 2010-04-12 | 2010-08-18 | 深圳市大富科技股份有限公司 | Cavity filter, cavity filter cover plate and tuning screw self-locking device |
| CN201768976U (en) * | 2010-09-07 | 2011-03-23 | 周现荣 | Tapping chamfer compound knife |
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| WO2017113168A1 (en) | 2017-07-06 |
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Application publication date: 20180216 |