CN114042970A - PCB cutter and preparation method thereof - Google Patents
PCB cutter and preparation method thereof Download PDFInfo
- Publication number
- CN114042970A CN114042970A CN202111256206.7A CN202111256206A CN114042970A CN 114042970 A CN114042970 A CN 114042970A CN 202111256206 A CN202111256206 A CN 202111256206A CN 114042970 A CN114042970 A CN 114042970A
- Authority
- CN
- China
- Prior art keywords
- grinding
- handle
- tungsten steel
- welding
- stainless steel
- 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.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 238000000227 grinding Methods 0.000 claims abstract description 46
- 238000003466 welding Methods 0.000 claims abstract description 39
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 37
- 239000010937 tungsten Substances 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 31
- 230000007704 transition Effects 0.000 claims abstract description 27
- 241000277275 Oncorhynchus mykiss Species 0.000 claims abstract description 22
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 22
- 239000010935 stainless steel Substances 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 238000005520 cutting process Methods 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000003908 quality control method Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
Abstract
The invention belongs to the technical field of PCB drill point processing, and particularly relates to a PCB cutter and a preparation method thereof; including stainless steel handle, tungsten steel head, the stainless steel handle with the welding of tungsten steel head, the stainless steel handle is close to the one end of tungsten steel head is the transition platform of step shaft form, the transition platform by stainless steel handle circumference grinding forms, just the diameter of transition platform with the diameter of tungsten steel head afterbody is the same, the tungsten steel head includes cutting part, afterbody, the afterbody is fixed for coniform on the transition bench, the cutting part is formed by the last cutting edge groove of tungsten steel stick. The preparation method comprises the steps of material taking, welding, grinding, quality control and finished product production. The PCB cutter has short manufacturing production flow, small abrasion of the grinding wheel, shorter tungsten steel material and lower cost compared with the prior art.
Description
Technical Field
The invention belongs to the technical field of PCB drill point processing, and particularly relates to a PCB cutter and a preparation method thereof.
Background
At present, the PCB micro drill point is formed by combining a stainless steel handle and a tungsten steel head. The stainless steel handle and the tungsten steel head are welded together generally by welding. And then grinding the tungsten steel of the drill bit to the required diameter by an angle grinder and a segment difference grinder, and then opening geometric figures such as thread grooves and the like by numerical control equipment. Tungsten steel is a rare metal and relatively expensive. The stainless steel handle is made of 420J2 material, and the price is low. The prior production process has the following problems: 1. the manufacturing production process of the drill point is long; 2. in the angle grinding and section difference processing process, the abrasion of the grinding wheel is large, and the neck of the drill bit is easy to deform; 3. the tungsten steel required for producing the drill bit with the same length is longer, and the material cost is high.
Disclosure of Invention
The purpose of the invention is: the PCB cutter and the manufacturing method thereof are provided, the welding part grinding process is shortened by changing the welding position and the processing process, the processing process is saved, tungsten steel materials on the edge part are saved, and the cost is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a PCB cutter and preparation method thereof, includes stainless steel handle, tungsten steel head, the stainless steel handle with the welding of tungsten steel head, the stainless steel handle is close to the one end of tungsten steel head is the transition platform of step shaft form, the transition platform by stainless steel handle circumference grinding forms, just the diameter of transition platform with the diameter of tungsten steel head afterbody is the same, the tungsten steel head includes cutting part, afterbody, the afterbody is fixed for coniform on the transition platform, the cutting part is formed by the last cutting edge groove of tungsten steel bar.
The application also provides a preparation method of the PCB cutter, which comprises the following steps:
step 1), material taking: respectively selecting handle bar stock and blade bar stock with different diameters, and intercepting the bar stock with proper length by a long-branch cutting mechanism;
step 2), welding: respectively placing a handle material and a blade material in a vibration disc in an automatic welding mechanism, and welding the handle and the blade by adopting an electric resistance welding process to form a drill point;
step 3), grinding: sequentially carrying out full-length grinding, neck grinding, handle outer diameter fine grinding, handle imprinting, large section grinding, middle section grinding, small section grinding, second grinding, groove grinding and edge grinding on the welded drill pin;
step 4), quality control: carrying out edge part detection on the drill needle ground in the step 3), and repeating edge grinding on unqualified products until the products are qualified;
step 5), finished product: and 4) adding the qualified drill pins obtained in the step 4) into a lantern ring, packaging and then packaging.
Further, the handle material adopted in the welding in the step 2) is processed through an automatic lathe, the outer diameter is cut to enable one end of the handle material to form a transition table, the blade material is directly welded with the transition table in the welding process, the diameter is directly and roughly ground after the welding is finished, and a crater does not need to be removed.
The invention has the beneficial effects that: the welding point in the PCB drill point is improved to be a transition table cut by one end of the handle part on the inclined plane of the original handle part, the tungsten steel edge part is connected with the transition table in a welding mode, the tungsten steel part of the welding part needs to be ground after the original welding is completed, the handle part is directly machined and formed after the improvement, the welding part does not need to be ground after the welding, the stainless steel of the handle part is ground in time, tungsten steel materials are saved on one hand, the abrasion of a grinding wheel can be reduced on the other hand, and the cost is reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a process flow diagram of the present invention.
In the figure: 1. a stainless steel handle; 2. a blade part; 3. a transition table.
Detailed Description
The invention is further explained below with reference to the figures and the embodiments.
Example (b): as shown in fig. 1 and 2, the PCB cutter of the present invention comprises a stainless steel handle 1 and a tungsten steel head, wherein the stainless steel handle 1 is welded with the tungsten steel head, one end of the stainless steel handle 1 close to the tungsten steel head is a stepped shaft-shaped transition table 3, the transition table 3 is formed by grinding the circumference of the stainless steel handle 1, the diameter of the transition table 3 is the same as the diameter of the tail of the tungsten steel head, the tungsten steel head comprises a blade part 2 and a tail part, the tail part is fixed on the transition table 3 in a conical shape, and the blade part 2 is formed by forming a blade groove on a tungsten steel rod.
The preparation method of the PCB cutter comprises the following steps:
step 1), material taking: respectively selecting handle bar materials and blade part 2 bar materials with different diameters, and intercepting the bar materials with proper lengths through a long cutting mechanism;
step 2), welding: respectively placing the handle part material and the blade part 2 material in a vibration disc in an automatic welding mechanism, and welding the handle part and the blade part 2 by adopting a resistance welding process to form a drill point;
step 3), grinding: sequentially carrying out full-length grinding, neck grinding, handle outer diameter fine grinding, handle imprinting, large section grinding, middle section grinding, small section grinding, second grinding, groove grinding and edge grinding on the welded drill pin;
step 4), quality control: detecting the edge part 2 of the drill needle ground in the step 3), and repeating edge grinding on unqualified products until the products are qualified;
step 5), finished product: and 4) adding the qualified drill pins obtained in the step 4) into a lantern ring, packaging and then packaging.
The handle material adopted in the welding in the step 2) is processed through an automatic lathe, the outer diameter is cut to enable one end of the handle material to form a transition table 3, the blade part 2 material is directly welded with the transition table 3 in the welding process, the diameter is directly and roughly ground after the welding is finished, and no crater is required to be removed.
According to the invention, the welding point in the PCB drill point is improved from the original inclined plane of the handle part to the transition table 3 formed by cutting one end of the handle part, the tungsten steel blade part 2 is connected with the transition table 3 in a welding way, the tungsten steel part at the welding position needs to be ground after the original welding is finished, the handle part is directly processed and formed after the improvement, the welding position does not need to be ground after the welding, the stainless steel at the grinding position is ground in time, so that tungsten steel materials are saved, the abrasion of a grinding wheel can be reduced, and the cost is reduced.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (3)
1. A PCB cutter which is characterized in that: including stainless steel handle (1), tungsten steel head, stainless steel handle (1) with the welding of tungsten steel head, stainless steel handle (1) is close to the one end of tungsten steel head is transition platform (3) of step shaft form, transition platform (3) by stainless steel handle (1) circumference grinding forms, just the diameter of transition platform (3) with the diameter of tungsten steel head afterbody is the same, the tungsten steel head includes cutting part (2), afterbody, the afterbody is fixed for coniform on transition platform (3), cutting part (2) are opened the sword groove by on the tungsten steel stick and are formed.
2. The method for preparing the PCB cutter as claimed in claim 1, comprising the steps of:
step 1), material taking: respectively selecting handle bar materials and blade part bar materials (2) with different diameters, and intercepting the bar materials with proper lengths through a long cutting mechanism;
step 2), welding: respectively placing a handle part material and a blade part material (2) in a vibration disc in an automatic welding mechanism, and welding the handle part and the blade part (2) by adopting a resistance welding process to form a drill point;
step 3), grinding: sequentially carrying out full-length grinding, neck grinding, handle outer diameter fine grinding, handle imprinting, large section grinding, middle section grinding, small section grinding, second grinding, groove grinding and edge grinding on the welded drill pin;
step 4), quality control: detecting the cutting part (2) of the drill needle ground in the step 3), and repeating the cutting grinding of unqualified products until the products are qualified;
step 5), finished product: and 4) adding the qualified drill pins obtained in the step 4) into a lantern ring, packaging and then packaging.
3. The method for manufacturing a PCB cutter according to claim 2, wherein: the handle material adopted in the step 2) is machined through an automatic lathe, the outer diameter is cut to enable one end of the handle material to form a transition table (3), the blade part (2) material is directly welded with the transition table (3) in the welding process, the diameter is directly and roughly ground after the welding is finished, and a crater does not need to be removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111256206.7A CN114042970A (en) | 2021-10-27 | 2021-10-27 | PCB cutter and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111256206.7A CN114042970A (en) | 2021-10-27 | 2021-10-27 | PCB cutter and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114042970A true CN114042970A (en) | 2022-02-15 |
Family
ID=80206394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111256206.7A Pending CN114042970A (en) | 2021-10-27 | 2021-10-27 | PCB cutter and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114042970A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026524A (en) * | 2022-07-08 | 2022-09-09 | 泰州虹康电子科技有限公司 | Production process of high-strength drill bit |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200977570Y (en) * | 2006-11-10 | 2007-11-21 | 尖点科技股份有限公司 | Improvement of drill structure |
| CN201044539Y (en) * | 2007-04-27 | 2008-04-02 | 铠钜科技股份有限公司 | Composite level bar structure of cutting tools for printed circuit board |
| CN201102090Y (en) * | 2007-11-06 | 2008-08-20 | 郑黄铮 | Repeatedly-usable joint type petiole regeneration structure of PCB drill cutter |
| JP3148726U (en) * | 2008-12-11 | 2009-02-26 | 黄錚 鄭 | Ring-shaped PCB cutting tool |
| CN103370156A (en) * | 2011-02-23 | 2013-10-23 | 京瓷株式会社 | Cutting tool and method for manufacturing same |
| CN104551104A (en) * | 2013-10-17 | 2015-04-29 | 常州埃特法斯工具有限公司 | Step micro-bit |
| CN111331443A (en) * | 2020-01-16 | 2020-06-26 | 南阳鼎泰高科有限公司 | Processing method for coarse grinding of PCB drill point blade |
| CN211638438U (en) * | 2020-02-28 | 2020-10-09 | 厦门厦芝科技工具有限公司 | PCD drill bit |
-
2021
- 2021-10-27 CN CN202111256206.7A patent/CN114042970A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200977570Y (en) * | 2006-11-10 | 2007-11-21 | 尖点科技股份有限公司 | Improvement of drill structure |
| CN201044539Y (en) * | 2007-04-27 | 2008-04-02 | 铠钜科技股份有限公司 | Composite level bar structure of cutting tools for printed circuit board |
| CN201102090Y (en) * | 2007-11-06 | 2008-08-20 | 郑黄铮 | Repeatedly-usable joint type petiole regeneration structure of PCB drill cutter |
| JP3148726U (en) * | 2008-12-11 | 2009-02-26 | 黄錚 鄭 | Ring-shaped PCB cutting tool |
| CN103370156A (en) * | 2011-02-23 | 2013-10-23 | 京瓷株式会社 | Cutting tool and method for manufacturing same |
| CN104551104A (en) * | 2013-10-17 | 2015-04-29 | 常州埃特法斯工具有限公司 | Step micro-bit |
| CN111331443A (en) * | 2020-01-16 | 2020-06-26 | 南阳鼎泰高科有限公司 | Processing method for coarse grinding of PCB drill point blade |
| CN211638438U (en) * | 2020-02-28 | 2020-10-09 | 厦门厦芝科技工具有限公司 | PCD drill bit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026524A (en) * | 2022-07-08 | 2022-09-09 | 泰州虹康电子科技有限公司 | Production process of high-strength drill bit |
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