CN113146159A - Connector die part machining method capable of improving machining efficiency - Google Patents
Connector die part machining method capable of improving machining efficiency Download PDFInfo
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- CN113146159A CN113146159A CN202110445480.2A CN202110445480A CN113146159A CN 113146159 A CN113146159 A CN 113146159A CN 202110445480 A CN202110445480 A CN 202110445480A CN 113146159 A CN113146159 A CN 113146159A
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- 238000003754 machining Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000000227 grinding Methods 0.000 claims abstract description 78
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000005520 cutting process Methods 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 6
- 238000003801 milling Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000009760 electrical discharge machining Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 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
Abstract
The invention discloses a connector die part machining method for improving machining efficiency, which is characterized by comprising the following steps of: firstly, preparing a wire-cutting fast wire, and cutting a rectangular jig blank by wire cutting; step two, fine grinding is carried out by a grinding machine, and the jig rough material obtained in the step one is subjected to fine grinding of six surfaces on the grinding machine to obtain a fine grinding material; thirdly, grooving by using a grinding machine, namely grooving the fine grinding material obtained in the second step on the grinding machine, and cutting six positioning grooves to obtain a part jig; step four, discharging a higher-level jig, and assembling the part jig in the step three into the higher-level jig to obtain a complete jig; step five, processing the first part; and step six, batch processing. The invention has the advantages of reasonable design, high part precision, optimized processing flow and improved processing efficiency.
Description
Technical Field
The invention relates to the technical field of die part machining, in particular to a connector die part machining method capable of improving machining efficiency.
Background
Connectors are indispensable components of automated electronic devices, and are mainly used for connecting devices or apparatuses to be isolated, interconnecting signals or currents, and realizing predetermined functions. The connector mainly comprises accessories such as a contact body, an insulator, a shell, a terminal and the like, wherein the terminal is divided into a contact pin and a jack, is a key part of the connector, and is tightly contacted when inserted to complete the connection of signals and current.
The metal components in the connectors often require electrical discharge machining, the design of the die used for electrical discharge machining largely determines the machining efficiency of the components. The conventional connector mold has a small number of component positioning grooves and a low processing efficiency, and the improved connector mold (as shown in fig. 1) has an increased number of component positioning grooves and an increased processing efficiency.
The efficiency of connector parts machining relies on the machining efficiency of connector mould to a great extent, and present connector mould parts machining method is mostly reasonable inadequately, and the blank machining allowance is too much, and the grinding machine finish machining is consuming time too much, influences the whole processing progress of mould.
Disclosure of Invention
The invention aims to provide a connector die part machining method for improving machining efficiency, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a connector die part machining method capable of improving machining efficiency is characterized by comprising the following steps:
firstly, preparing a wire-cutting fast wire, and cutting a rectangular jig blank by wire cutting;
step two, fine grinding is carried out by a grinding machine, and the jig rough material obtained in the step one is subjected to fine grinding of six surfaces on the grinding machine to obtain a fine grinding material;
thirdly, grooving by using a grinding machine, namely grooving the fine grinding material obtained in the second step on the grinding machine, and cutting six positioning grooves to obtain a part jig;
step four, discharging a higher-level jig, and assembling the part jig in the step three into the higher-level jig to obtain a complete jig;
step five, processing a first part, placing the part blank into a first positioning groove on the complete jig in the step four for electric discharge machining to obtain the first part, and carrying out size detection on the first part;
and step six, batch processing, wherein the first part is subjected to batch processing after the size of the first part is inspected to be qualified, and part blanks are placed into six positioning grooves on the complete jig during batch processing to be subjected to batch discharge processing to obtain batch parts.
Preferably, the jig rough material obtained by cutting the fast wire stock in the step I is cut by the central line, and 1.00MM fine grinding allowance is reserved on each of six surfaces.
Preferably, the fine grinding material obtained by the grinding machine in the step two is finely ground, and the dimensional accuracy of six surfaces is ensured to be within 0.002 MM.
Preferably, the width of the positioning groove cut out by the grinding machine grooving in the third step is matched with the width of the connector workpiece, the matching requirement is tight, and the precision of each groove is guaranteed within 0.001MM, so that the quality of the discharge batch processing in the later-stage batch processing is ensured.
Preferably, the discharging upper-level jig in the fourth step can be simultaneously performed with the fine grinding of the grinding machine in the second step and the grooving of the grinding machine in the third step, so that the waiting time for the upper-level jig is reduced, and the production efficiency of the jig is ensured.
Preferably, after the complete jig in step four is assembled, 3-dimensional full-size detection is required and a detection report is attached.
Preferably, when the size of the first part in the step five is detected, the six-step batch processing can be performed with the precision 30% higher than the design requirement.
Preferably, when six-batch processing is performed, the size of the first 200 batches of parts needs to be detected, and the yield of the batches of parts at subsequent processing positions is determined.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the small machining allowance is easy to control on the premise of ensuring the material cutting speed through the fast wire preparation, and the machining allowance can be controlled to be smaller compared with the traditional milling machine blanking machining allowance, so that the machining time of a grinding machine is shortened; the grooving of the grinding machine is higher in precision compared with the grooving of the CNC, and meanwhile, the direct grooving of the CNC clamping step after fine grinding of the grinding machine can be reduced. The processing of higher level's tool can assemble immediately after the grinding machine grooving in advance, and efficiency is higher. 3-time element full-size detection is carried out and a detection report is attached, so that the defect of parts caused by the precision defect of the die can be effectively avoided. The precision requirement of the first part is improved by 30 percent, and the precision of the part during batch processing can be effectively improved. The size detection is carried out on the first 200 batch parts to ensure the stability of the size precision of batch processing. The invention has the advantages of reasonable design, high part precision, optimized processing flow and improved processing efficiency.
Drawings
Fig. 1 is a schematic structural diagram of an improved connector mold.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A connector die part machining method capable of improving machining efficiency is characterized by comprising the following steps:
firstly, preparing a wire-cutting fast wire, and cutting a rectangular jig blank by wire cutting;
step two, fine grinding is carried out by a grinding machine, and the jig rough material obtained in the step one is subjected to fine grinding of six surfaces on the grinding machine to obtain a fine grinding material;
thirdly, grooving by using a grinding machine, namely grooving the fine grinding material obtained in the second step on the grinding machine, and cutting six positioning grooves to obtain a part jig;
step four, discharging a higher-level jig, and assembling the part jig in the step three into the higher-level jig to obtain a complete jig;
step five, processing a first part, placing the part blank into a first positioning groove on the complete jig in the step four for electric discharge machining to obtain the first part, and carrying out size detection on the first part;
and step six, batch processing, wherein the first part is subjected to batch processing after the size of the first part is inspected to be qualified, and part blanks are placed into six positioning grooves on the complete jig during batch processing to be subjected to batch discharge processing to obtain batch parts.
According to the invention, the small machining allowance is easy to control on the premise of ensuring the material cutting speed through the fast wire preparation, and the machining allowance can be controlled to be smaller compared with the traditional milling machine blanking machining allowance, so that the machining time of a grinding machine is shortened; the grooving of the grinding machine is higher in precision compared with the grooving of the CNC, and meanwhile, the direct grooving of the CNC clamping step after fine grinding of the grinding machine can be reduced.
Preferably, the jig rough material obtained by cutting the fast wire stock in the step one is subjected to center line cutting, and the fine grinding allowance of 1.00MM is reserved on each of six surfaces.
The fine grinding allowance of 1.00MM effectively reduces the fine grinding time of the grinding machine.
Preferably, the fine grinding material obtained by the grinding machine in the step two is finely ground, and the dimensional accuracy of six surfaces is ensured to be within 0.002 MM.
The precision of the fine grinding material is within 0.002MM, and the processing precision of the parts can be ensured.
Preferably, the width of the positioning groove cut out by the grinding machine grooving in the third step is matched with the width of the connector workpiece, the matching requirement is tight, and the precision of each groove is guaranteed within 0.001MM, so that the quality of electric discharge batch processing in later-stage batch processing is ensured.
The precision of the positioning groove is guaranteed to be within 0.001MM, and then the positioning groove can be tightly matched with a workpiece.
Preferably, the discharging upper-level jig in the fourth step can be simultaneously performed with the fine grinding of the grinding machine in the second step and the grooving of the grinding machine in the third step, so that the waiting time for the upper-level jig is reduced, and the production efficiency of the jig is ensured.
The processing of higher level's tool can assemble immediately after the grinding machine grooving in advance, and efficiency is higher.
Preferably, after the complete jig in step four is assembled, 3-dimensional full-size testing is required and a test report is attached.
3-time element full-size detection is carried out and a detection report is attached, so that the defect of parts caused by the precision defect of the die can be effectively avoided.
Preferably, when the size of the first part in the step five is detected, the six-step batch processing can be carried out with the precision 30% higher than the design requirement.
The precision requirement of the first part is improved by 30 percent, and the precision of the part during batch processing can be effectively improved.
Preferably, in the six-batch processing, the first 200 batches of parts need to be subjected to size detection, and the yield of the batches of parts at subsequent processing positions is determined later.
The size detection is carried out on the first 200 batch parts to ensure the stability of the size precision of batch processing.
The working principle of the invention is as follows: according to the invention, the small machining allowance is easy to control on the premise of ensuring the material cutting speed through the fast wire preparation, and the machining allowance can be controlled to be smaller compared with the traditional milling machine blanking machining allowance, so that the machining time of a grinding machine is shortened; the grooving of the grinding machine is higher in precision compared with the grooving of the CNC, and meanwhile, the direct grooving of the CNC clamping step after fine grinding of the grinding machine can be reduced. The fine grinding allowance of 1.00MM effectively reduces the fine grinding time of the grinding machine. The precision of the fine grinding material is within 0.002MM, and the processing precision of the parts can be ensured. The precision of the positioning groove is guaranteed to be within 0.001MM, and then the positioning groove can be tightly matched with a workpiece. The processing of higher level's tool can assemble immediately after the grinding machine grooving in advance, and efficiency is higher. 3-time element full-size detection is carried out and a detection report is attached, so that the defect of parts caused by the precision defect of the die can be effectively avoided. The precision requirement of the first part is improved by 30 percent, and the precision of the part during batch processing can be effectively improved. The size detection is carried out on the first 200 batch parts to ensure the stability of the size precision of batch processing.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A connector die part machining method capable of improving machining efficiency is characterized by comprising the following steps:
firstly, preparing a wire-cutting fast wire, and cutting a rectangular jig blank by wire cutting;
step two, fine grinding is carried out by a grinding machine, and the jig rough material obtained in the step one is subjected to fine grinding of six surfaces on the grinding machine to obtain a fine grinding material;
thirdly, grooving by using a grinding machine, namely grooving the fine grinding material obtained in the second step on the grinding machine, and cutting six positioning grooves to obtain a part jig;
step four, discharging a higher-level jig, and assembling the part jig in the step three into the higher-level jig to obtain a complete jig;
step five, processing a first part, placing the part blank into a first positioning groove on the complete jig in the step four for electric discharge machining to obtain the first part, and carrying out size detection on the first part;
and step six, batch processing, wherein the first part is subjected to batch processing after the size of the first part is inspected to be qualified, and part blanks are placed into six positioning grooves on the complete jig during batch processing to be subjected to batch discharge processing to obtain batch parts.
2. The connector mold part machining method for improving machining efficiency according to claim 1, characterized in that: and step one, cutting the fast wires in the middle line to prepare the jig rough material, wherein 1.00MM fine grinding allowance is reserved on each of six surfaces of the jig rough material.
3. The connector mold part machining method for improving machining efficiency according to claim 1, characterized in that: and D, fine grinding the obtained fine grinding material by the grinding machine in the step II to ensure that the size precision of six surfaces is within 0.002 MM.
4. The connector mold part machining method for improving machining efficiency according to claim 1, characterized in that: and step three, the width of the positioning groove cut out by the grinding machine grooving is matched with the width of the connector workpiece in practice, the matching requirement is tight, and the precision of each groove is guaranteed within 0.001MM so as to ensure the quality of the discharge batch processing in the later-stage batch processing.
5. The connector mold part machining method for improving machining efficiency according to claim 1, characterized in that: in the fourth step, the upper discharging jig can be simultaneously processed with the fine grinding of the grinding machine in the second step and the grooving of the grinding machine in the third step, so that the time for waiting for the upper jig is reduced, and the production efficiency of the jig is ensured.
6. The connector mold part machining method for improving machining efficiency according to claim 1, characterized in that: and after the complete jig in the fourth step is assembled, 3-time full-size detection is needed and a detection report is attached.
7. The connector mold part machining method for improving machining efficiency according to claim 1, characterized in that: and when the size of the first part in the fifth step is detected, the six-step batch processing can be carried out with the precision 30% higher than the design requirement.
8. The connector mold part machining method for improving machining efficiency according to claim 1, characterized in that: and (3) when the six-batch processing is carried out, the size of the front 200 batches of parts needs to be detected, and the yield of the batches of parts at subsequent processing positions is high.
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|---|---|---|---|
| CN202110445480.2A CN113146159B (en) | 2021-04-25 | 2021-04-25 | Connector die part machining method capable of improving machining efficiency |
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| CN202110445480.2A CN113146159B (en) | 2021-04-25 | 2021-04-25 | Connector die part machining method capable of improving machining efficiency |
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| CN113146159B CN113146159B (en) | 2023-12-15 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856784A (en) * | 2010-06-01 | 2010-10-13 | 辽宁忠旺集团有限公司 | Machining process of train body profile mold |
| US20110233171A1 (en) * | 2010-03-23 | 2011-09-29 | Ngk Insulators, Ltd. | Method for manufacturing honeycomb structure forming die |
| CN202447516U (en) * | 2012-02-10 | 2012-09-26 | 安徽联盟模具工业股份有限公司 | High-strength metal sheet dent-free die |
| CN204174312U (en) * | 2014-09-17 | 2015-02-25 | 蓝思科技股份有限公司 | A kind of sapphire eyeglass annealing furnace fixture and discharge and feed apparatus thereof |
| CN104440000A (en) * | 2014-11-11 | 2015-03-25 | 苏州联开精密模具有限公司 | Machining technology for forming inserts in push handle die |
| CN107030458A (en) * | 2017-06-02 | 2017-08-11 | 苏州市零点精密模具有限公司 | A kind of processing method of shearing die |
| CN207983055U (en) * | 2017-12-30 | 2018-10-19 | 宝利根（东莞）电子科技有限公司 | A kind of jig structure for skewed slot processing |
-
2021
- 2021-04-25 CN CN202110445480.2A patent/CN113146159B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110233171A1 (en) * | 2010-03-23 | 2011-09-29 | Ngk Insulators, Ltd. | Method for manufacturing honeycomb structure forming die |
| CN101856784A (en) * | 2010-06-01 | 2010-10-13 | 辽宁忠旺集团有限公司 | Machining process of train body profile mold |
| CN202447516U (en) * | 2012-02-10 | 2012-09-26 | 安徽联盟模具工业股份有限公司 | High-strength metal sheet dent-free die |
| CN204174312U (en) * | 2014-09-17 | 2015-02-25 | 蓝思科技股份有限公司 | A kind of sapphire eyeglass annealing furnace fixture and discharge and feed apparatus thereof |
| CN104440000A (en) * | 2014-11-11 | 2015-03-25 | 苏州联开精密模具有限公司 | Machining technology for forming inserts in push handle die |
| CN107030458A (en) * | 2017-06-02 | 2017-08-11 | 苏州市零点精密模具有限公司 | A kind of processing method of shearing die |
| CN207983055U (en) * | 2017-12-30 | 2018-10-19 | 宝利根（东莞）电子科技有限公司 | A kind of jig structure for skewed slot processing |
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| CN113146159B (en) | 2023-12-15 |
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