CN202845544U - Processing mold for knockout hole - Google Patents
Processing mold for knockout hole Download PDFInfo
- Publication number
- CN202845544U CN202845544U CN 201220512620 CN201220512620U CN202845544U CN 202845544 U CN202845544 U CN 202845544U CN 201220512620 CN201220512620 CN 201220512620 CN 201220512620 U CN201220512620 U CN 201220512620U CN 202845544 U CN202845544 U CN 202845544U
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- CN
- China
- Prior art keywords
- cutting edge
- upper mold
- patrix
- counterdie
- down hole
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- Expired - Lifetime
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Abstract
The utility model provides a processing mold for a knockout hole. The processing mold for the knockout hole comprises an upper mold and a lower mold, wherein the upper mold is connected with a workpiece pushing mechanism and comprises an upper mold outer sleeve and an upper mold core which is located inside the upper mold outer sleeve and capable of sliding opposite to the upper mold outer sleeve, an upper mold cutting edge which extrudes out of an end face of the upper mold core is formed in the upper mold core, a lower mold cutting edge which corresponds to the upper mold cutting edge is formed in end face of the lower mold which is opposite to the upper mold core, the upper mode cutting edge and the lower mold cutting edge are in an arch structure, the radius of the arch structures of the upper mold cutting edge and the lower mold cutting edge is matched with the radius of the knockout hole which needs to be processed, and the size of the arch structure of the upper mold cutting edge is smaller than that of the lower mold cutting edge. Compared with the prior art, the processing mold for the knockout hole has the advantages of being simple in structure, convenient to install, attractive in appearance of cutting of the knockout hole, stable in micro connection of the knockout hole, no sharp corners after knocking out a hole and high in processing efficiency.
Description
Technical field
The utility model relates to the sheet metal part processing in equipment manufacture industry field, particularly a kind of knock down hole processing mold.
Background technology
Powered wire or control cables are used in the device fabrication meeting, need to offer cable-through hole at metal partion (metp) or the shell of cable process, consider its versatility and convenience, generally adopt the knock down hole form.The existing method of processing knock down hole mainly contains two kinds: one-time-shaped mould processing, the punching processing of roundlet mould step.
Adopt one-time-shaped mould to add man-hour, knock down hole is designed to protrude the sheet metal part surface, leaves little the connection with part noumenon.The shortcoming of this kind processing mode is: 1, mould design and manufacture is complicated, and die size is large, cost is high; 2, during the processing parts varied in thickness, need to regulate mold stroke, regulating that examination rushes could production and processing after qualified, and working (machining) efficiency is very low.3, the little connection of knock down hole is regulated reason because of mold stroke, and little quality of connection is unstable, occurs easily falling or strikes situation about not falling.
The roundlet mould step shortcoming of punching processing is: 1, repeatedly die-cut, working (machining) efficiency is low; 2, the mould loss is large, and manufacturing cost is high; 3, processing otch engrail is not attractive in appearance; 4, knock down hole is little connects into two zigzags, during abate in the middle of fracture, the both sides sawtooth is difficult for removing, and easily pricks the hand and pricks bad protective wire cover.
The utility model content
The utility model proposes a kind of knock down hole processing mold, solved deficiency of the prior art, this mould structure is simple, easy for installation, the knock down hole otch is attractive in appearance and the little stable connection of knock down hole, abate after without wedge angle, and working (machining) efficiency is high.
The technical solution of the utility model is achieved in that a kind of knock down hole processing mold, it comprises upper die and lower die, be connected with the workpiece pushing mechanism on the described patrix, described patrix comprise the patrix overcoat and be positioned at the patrix overcoat and can with the upper mold core of patrix overcoat relative sliding, have the patrix cutting edge that protrudes from the upper mold core end face in upper mold core, described counterdie has the counterdie cutting edge corresponding with the patrix cutting edge at the end face relative with upper mold core, described patrix cutting edge and counterdie cutting edge are arcuate structure, described patrix cutting edge, the radius of the arcuate structure of counterdie cutting edge all is complementary with the radius of the knock down hole that needs processing, and the size of patrix cutting edge arcuate structure is less than the size of counterdie cutting edge arcuate structure.
As preferably, described patrix cutting edge protrudes from upper mold core end face 18-22mm.
As preferably, described patrix cutting edge and counterdie cutting edge are opened respectively in the center position of upper mold core and counterdie.
As preferably, described patrix cutting edge and counterdie cutting edge are the arcuate structure less than 1/3rd arcs.
Compared with prior art, the beneficial effects of the utility model are: after adopting said structure, patrix cutting edge and counterdie cutting edge all are designed to arcuate shape, mould is installed on the numerical control press rotary work station, mould rotation when die-cut, the processing of realization knock down hole, patrix cutting edge, counterdie blade shape, all can be according to the dimensional requirement of knock down hole, adjust interior outer radius and the arc length of arcuate shape, this mould structure is simple, easy for installation, the knock down hole otch is attractive in appearance and the little stable connection of knock down hole, abate after without wedge angle, and working (machining) efficiency is high.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the top view of counterdie among the utility model embodiment;
Fig. 3 is the structural representation of the knock down hole of part processing.
The specific embodiment
The below is clearly and completely described the technical scheme in the utility model, and obviously, described embodiment only is several embodiment wherein of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Arrive shown in Figure 3 such as Fig. 1, a kind of knock down hole processing mold, it comprises patrix 1 and counterdie 2, be connected with the workpiece pushing mechanism on the described patrix 1, described patrix 1 comprise patrix overcoat 11 and be positioned at patrix overcoat 11 and can with the upper mold core 12 of patrix overcoat 11 relative slidings, have the patrix cutting edge 6 that protrudes from upper mold core 12 end face 18mm in upper mold core 12, described counterdie 2 has the counterdie cutting edge 3 corresponding with patrix cutting edge 6 at the end face relative with upper mold core 12, and described patrix cutting edge 6 and counterdie cutting edge 3 are opened respectively in the center position of upper mold core 12 and counterdie 2.Patrix cutting edge 6 and counterdie cutting edge 3 are the arcuate structure that is slightly less than 1/3rd arcs, after three die-cut strokes are finished to form little syndeton of knock down hole 5.
The radius of the arcuate structure of described patrix cutting edge 6, counterdie cutting edge 3 all is complementary with the radius of the knock down hole 5 that needs processing, and the size of patrix cutting edge 6 arcuate structures is less than the size of counterdie cutting edge 3 arcuate structures, become the die clearance and be convenient to die-cut carrying out, the size of determining patrix cutting edge 6 arcuate structures according to the thickness of part 4 is less than what of the size of counterdie cutting edge 3 arcuate structures.
In use, according to the dimensional requirement of knock down hole 5, interior circular arc and cutting edge external arc and the arc length of design patrix cutting edge 6 and counterdie cutting edge 3.Upper mold core 12 and patrix overcoat 11 be combined be installed on the numerical control press rotary work station, counterdie 2 is installed on the corresponding station.Adding the man-hour part 4 places between patrix 1, the counterdie 2, under the active force of workpiece pushing mechanism, patrix overcoat 11 first compressing components 4, upper mold core 12 continues to move down under the active force of workpiece pushing mechanism, patrix cutting edge 6 cooperates Punching Technology with counterdie cutting edge 3, processes the shape of patrix cutting edge 6 at part 4.Behind die-cut stroke of equipment operation, patrix 1,120 ° of continuation of counterdie 2 rotations are die-cut, move continuously three die-cut strokes and process required knock down hole 5.
The utility model can be adjusted circular arc and cutting edge external arc and arc length in the cutting edge according to the dimensional requirement of knock down hole 5, satisfies different size knock down hole 5 processing requests.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. knock down hole processing mold, it is characterized in that: it comprises upper die and lower die, be connected with the workpiece pushing mechanism on the described patrix, described patrix comprise the patrix overcoat and be positioned at the patrix overcoat and can with the upper mold core of patrix overcoat relative sliding, have the patrix cutting edge that protrudes from the upper mold core end face in upper mold core, described counterdie has the counterdie cutting edge corresponding with the patrix cutting edge at the end face relative with upper mold core, described patrix cutting edge and counterdie cutting edge are arcuate structure, described patrix cutting edge, the radius of the arcuate structure of counterdie cutting edge all is complementary with the radius of the knock down hole that needs processing, and the size of patrix cutting edge arcuate structure is less than the size of counterdie cutting edge arcuate structure.
2. a kind of knock down hole processing mold according to claim 1, it is characterized in that: described patrix cutting edge protrudes from upper mold core end face 18-22mm.
3. a kind of knock down hole processing mold according to claim 1, it is characterized in that: described patrix cutting edge and counterdie cutting edge are opened respectively in the center position of upper mold core and counterdie.
4. a kind of knock down hole processing mold according to claim 1, it is characterized in that: described patrix cutting edge and counterdie cutting edge are the arcuate structure less than 1/3rd arcs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220512620 CN202845544U (en) | 2012-10-08 | 2012-10-08 | Processing mold for knockout hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220512620 CN202845544U (en) | 2012-10-08 | 2012-10-08 | Processing mold for knockout hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202845544U true CN202845544U (en) | 2013-04-03 |
Family
ID=47976780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220512620 Expired - Lifetime CN202845544U (en) | 2012-10-08 | 2012-10-08 | Processing mold for knockout hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202845544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044701A (en) * | 2017-11-27 | 2018-05-18 | 中山市信立富机械科技有限公司 | A kind of efficient punching production technique and the mold using the technique |
-
2012
- 2012-10-08 CN CN 201220512620 patent/CN202845544U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044701A (en) * | 2017-11-27 | 2018-05-18 | 中山市信立富机械科技有限公司 | A kind of efficient punching production technique and the mold using the technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 610213, No. two, section 1158, Washington Avenue, Concord street, Chengdu, Sichuan, Shuangliu County Patentee after: CHUAN KAI ELECTRIC Co.,Ltd. Address before: 610213, No. two, section 1158, Washington Avenue, Huayang street, Chengdu, Sichuan, Shuangliu County Patentee before: CHUANKAI ELECTRIC Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |