CN104959469A - Blanking-and-punching die and blanking-and-punching technique - Google Patents
Blanking-and-punching die and blanking-and-punching technique Download PDFInfo
- Publication number
- CN104959469A CN104959469A CN201510455901.4A CN201510455901A CN104959469A CN 104959469 A CN104959469 A CN 104959469A CN 201510455901 A CN201510455901 A CN 201510455901A CN 104959469 A CN104959469 A CN 104959469A
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- Prior art keywords
- blanking
- die
- material strip
- punching
- punch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a blanking-and-punching die. The blanking-and-punching die comprises an upper die base, a lower die base, a pressing plate, blanking protruding dies, blanking concave dies, a punching protruding die and a punching concave die. The blanking protruding dies and the punching protruding die are all installed on the upper die base, and the blanking protruding dies and the punching protruding die are arranged in parallel in the process switching direction of a material belt. The blanking concave dies and the punching concave die are all installed on the lower die base, and the blanking concave dies and the punching concave die are arranged in parallel in the process switching direction of the material belt. Both the blanking protruding dies and the blanking concave dies are multiple, and the blanking protruding dies and the blanking concave dies are matched in a one-to-one mode. Through the adoption of the blanking-and-punching die, the blanking-and-punching operation quality of a part is good, and blanking-and-punching operation efficiency is high. The invention further discloses a blanking-and-punching technique.
Description
Technical field
The present invention relates to parts machining technical field, particularly relate to a kind of blanking and piercing die.The invention still further relates to a kind of blanking and punching technique.
Background technology
Blanking and punching are processing technologys more common in parts machining process, and therefore, blanking die and perforating die are also devices relatively more conventional in parts machining process.Usually, when same parts needing punching, can blanking and piercing die be adopted, carry out punch operation when blanking, save manufacturing procedure with this, cut down finished cost.
As shown in Figure 1, blanking die 11 can support the material strip needing processing to blanking and piercing die in conventional art, and blanking punch 12 coordinates with blanking die 11 and can realize blanking and operate, and drift 13 coordinates with blanking punch 12, then can realize punch operation.But, in this kind of blanking and piercing die, if need the distance between the border of the process part processing after the hole of punching and blanking less, boundary line so for the partial distance blanking punch 12 coordinated with drift 13 on blanking punch 12 is nearer, cause in debugging and production process, easily there is heating bulging in blanking punch 12, then the gap between blanking punch 12 and blanking die 11 is reduced, strengthen frictional force between the two, causing hole is out of shape, blanking terminates rear blanking die 11 cannot realize the material returned, and for hidden danger such as the boundary line immediate area of the partial distance blanking punch 12 coordinated with drift 13 easily crack on blanking punch 12, finally cause the blanking and punching operational quality of parts poor, efficiency is lower.
Summary of the invention
The object of this invention is to provide a kind of blanking and piercing die, after adopting this blanking and piercing die, the blanking and punching operational quality of parts is better, efficiency is higher.Another object of the present invention is to provide a kind of blanking and punching technique.
To achieve these goals, the invention provides following technical scheme:
A kind of blanking and piercing die, comprise upper bolster, die shoe, holding pad, blanking punch, blanking die, piercing punch and punching concave die, described blanking punch and described piercing punch are all installed on described upper bolster, and both are along the operation switching direction laid out in parallel of material strip, described blanking die and described punching concave die are all installed on described die shoe, and both are along the operation switching direction laid out in parallel of material strip, described blanking punch and described blanking die are multiple, and each described blanking punch coordinates one by one with each described blanking die.
Preferably, in above-mentioned blanking and piercing die, also comprise can with the guide plate of the EDGE CONTACT of material strip and the gathering sill coordinated with described guide plate, described guide plate is fixed in the one in described die shoe and described holding pad, described gathering sill is arranged in the another one in described die shoe and described holding pad, and described guide plate and described gathering sill all extend along the operation switching direction of material strip.
Preferably, in above-mentioned blanking and piercing die, the cross section of described guide plate is rectangle, and the cross section of described gathering sill is rectangle.
Preferably, in above-mentioned blanking and piercing die, also comprise the material strip alignment pin be installed on described die shoe, described material strip alignment pin can coordinate with the material strip locating hole on material strip, and described material strip alignment pin is relative with described holding pad along the patrix direction of motion.
Preferably, in above-mentioned blanking and piercing die, also comprise the blanking pilot pin be installed on described upper bolster, described blanking pilot pin can coordinate with the blanking locating hole on material strip, and described blanking pilot pin stretches out from the working face of described blanking punch.
Preferably, in above-mentioned blanking and piercing die, setting area fraction waste material box on described die shoe, described differentiated waste material box has isolated waste chamber and process part processing stores chamber, described waste chamber is connected with punching die cavity, and described process part processing stores chamber and is connected with blanking die cavity.
A kind of blanking and punching technique, it adopts the blanking and piercing die described in above-mentioned any one, comprises the following steps:
S11, material strip is positioned on die shoe;
S12, driving upper bolster are descending, coordinated, realize punch operation by piercing punch with punching concave die;
S13, drive described upper bolster up, mobile described material strip, makes described material strip is positioned on blanking die through the part of punching;
S14, driving upper bolster are descending, are coordinated with described blanking die by blanking punch, realize blanking operation.
Preferably, in above-mentioned blanking and punching technique,
Described step S11 is specially: be positioned on described die shoe by described material strip, makes described material strip cover described punching concave die and described blanking die;
Described step S12 is specially: drive described upper bolster descending, coordinated with described punching concave die by described piercing punch, go out blanking locating hole, coordinated with described blanking die by described blanking punch, form material strip locating hole in the front end of material strip, described material strip locating hole is gap structure.
In technique scheme, blanking and piercing die provided by the invention is provided with blanking punch simultaneously, blanking die, piercing punch and punching concave die, and blanking punch and piercing punch are along the operation switching direction laid out in parallel of material strip, blanking die and punching concave die are also along the operation switching direction laid out in parallel of material strip, during process component, blanking and punch operation can be realized in single sequence simultaneously, for needing the pitch-row of punching from the situation close to the border of parts, just can first punching blanking again, in two sequences, the processing of at least two parts is realized with this, not only ensure that working (machining) efficiency, Punches and blanking part can also be made to keep larger distance, when preventing both hypotelorisms, the bore deformation caused, blanking terminates rear blanking die cannot realize the material returned, and for hidden danger such as the boundary line immediate area of the partial distance blanking punch coordinated with piercing punch easily crack on blanking punch, the crudy of parts is improved with this, improve the working (machining) efficiency of parts.
Because above-mentioned blanking and piercing die has above-mentioned technique effect, adopt the blanking and punching technique of this blanking and piercing die process component also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the part-structure schematic diagram of the blanking and piercing die in conventional art;
The profile of the blanking and piercing die that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the part of the upper die of the blanking and piercing die that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the part of the lower die of the blanking and piercing die that Fig. 4 provides for the embodiment of the present invention;
The schematic diagram of the material strip of the blanking and punching processes that Fig. 5 provides for the employing embodiment of the present invention.
Description of reference numerals:
11-blanking die, 12-blanking punch, 13-drift;
101-cope match-plate pattern, 102-protective plate, 103-first blanking punch, 104-second blanking punch, 105-safe spacing bolt, 106-works caging bolt, 107-holding pad, 108-punch-head assembly, 109-guide pillar, 110-blanking pilot pin, 111-die shank, 112-binder elastic parts, 113-first upper die plate, 114-second upper die plate, 201-lower bolster, 202-differentiated waste material box, 203-counterdie backing plate, 204-hanger, 205-die backing plate, 206-first blanking die, 207-material strip alignment pin, 208-second blanking die, 209-guide plate, 210-deposits limit assembly, 211-combined type guide pillar, 212-blanking and punching concave template, 213-first tablet, 214-second tablet.
Detailed description of the invention
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with accompanying drawing, the present invention is further detailed.
As in Figure 2-4, the embodiment of the present invention provides a kind of blanking and piercing die, and it comprises upper bolster, die shoe, holding pad 107, blanking punch, blanking die, piercing punch and punching concave die, wherein:
Upper bolster comprises cope match-plate pattern 101, first upper die plate 113 and the second upper die plate 114, cope match-plate pattern 101 is provided with die shank 111, the part of the upper die of blanking and piercing die can be clamped on the slide block on punch press by this die shank 111.First upper die plate 113 is fixed between cope match-plate pattern 101 and the second upper die plate 114.
Die shoe comprises lower bolster 201, counterdie backing plate 203 and die backing plate 205, and counterdie backing plate 203 is fixed on the bottom of lower bolster 201, and die backing plate 205 is fixed on the top of lower bolster 201.
Holding pad 107 is arranged in upper bolster, and it is specifically connected on cope match-plate pattern 101 by safe spacing bolt 105 and work caging bolt 106.Holding pad 107 is for applying pressure-plate-force to material strip, and this pressure-plate-force is provided by binder elastic parts 112.Holding pad 107 can arrange guide pillar 109, and this guide pillar 109 is slidably matched with die shoe, can realize the motion guide of holding pad 107.
Blanking punch and piercing punch are all installed on upper bolster, and both are along the operation switching direction laid out in parallel of material strip, blanking die and punching concave die are all installed on die shoe, and both are along the operation switching direction laid out in parallel of material strip, blanking punch and blanking die are multiple, and each blanking punch coordinates one by one with each blanking die.
After above-mentioned operation switching direction refers to punch operation, mobile material strip, is placed in blanking place by the part after punching, during to realize blanking operation, and the moving direction of material strip.Blanking punch can be set to two, be respectively the first blanking punch 103 and the second blanking punch 104, corresponding blanking die is also two, be respectively the first blanking die 206 and the second blanking die 208, on same material strip, produce the first tablet 213 and the second tablet 214 of different structure with this, improve stock utilization with this.Piercing punch can adopt punch-head assembly 108, and punching concave die and multiple blanking die all can be arranged on blanking and punching concave template 212.
In addition, upper bolster and die shoe all can arrange hanger, the hanger 204 such as, in Fig. 2 on die shoe, this hanger 204 can be used for the lifting upset of mould.Die shoe also can be arranged and deposit limit assembly 210, its limit part is installed on die shoe by bolt, and this deposits limit assembly 210 for carrying out rigid limit when mould matched moulds, and carries out depositing spacing under storage configuration.The edge of die shoe can arrange combined type guide pillar 211, and this combined type guide pillar 211 is slidably matched with upper bolster, realizes the motion guide of upper bolster with this.Upper bolster can set firmly protective plate 102, this protective plate 102 is secured by bolts on the first upper die plate 113, in the safety travel region of holding pad 107, play protective action with this, prevent because the potential safety hazard that cracked splashing produces afterwards appears in the related components such as flexible member.
When adopting above-mentioned blanking and piercing die process component, blanking and punch operation can be realized in single sequence simultaneously, for needing the pitch-row of punching from the situation close to the border of parts, just can first punching blanking again, in two sequences, the processing of at least two parts is realized with this, not only ensure that working (machining) efficiency, Punches and blanking part can also be made to keep larger distance, when preventing both hypotelorisms, the bore deformation caused, blanking terminates rear blanking die cannot realize the material returned, and for hidden danger such as the boundary line immediate area of the partial distance blanking punch coordinated with piercing punch easily crack on blanking punch, the crudy of parts is improved with this, improve the working (machining) efficiency of parts.
During in order to ensure switching process; the positional precision of material strip meets processing request; the blanking and piercing die that the embodiment of the present invention provides also comprise can with the guide plate 209 of the EDGE CONTACT of material strip and the gathering sill coordinated with this guide plate 209; guide plate 209 is fixed in the one in upper bolster and holding pad 107; gathering sill is arranged in the another one in upper bolster and holding pad 107, and guide plate 209 and gathering sill all extend along the operation switching direction of material strip.During mobile material strip, only need ensure that the edge of material strip contacts with guide plate 209 all the time, the position of material strip when inter process switches can be made to meet design requirement.
The structure of above-mentioned guide plate 209 and gathering sill can be arranged arbitrarily, and such as both all adopt arcuate structure, but in order to improve guiding accuracy and positioning precision, in the embodiment of the present invention, the cross section of guide plate 209 is rectangle, and the cross section of gathering sill is also rectangle.
Further, die shoe also can install material strip alignment pin 207, this material strip alignment pin can coordinate with the material strip locating hole on material strip, and material strip alignment pin 207 is relative with holding pad 107 along the patrix direction of motion.The position of material strip locating hole can switch along with the operation of material strip and change, and when material strip moves to specified location, by coordinating of material strip locating hole and material strip alignment pin 207, can determine the position of material strip more exactly, the machining accuracy of raising parts.It should be noted that, above-mentioned material strip locating hole is generally positioned at the front end of material strip, namely material strip starts to be positioned over after in blanking and piercing die, the breach first processed by blanking punch and blanking die, and this breach coordinates with material strip alignment pin 207 all the time in the following process process of single material strip.
Alternatively, the blanking and piercing die that the embodiment of the present invention provides also can comprise the blanking pilot pin 110 be installed on upper bolster, and this blanking pilot pin 110 can coordinate with the blanking locating hole on material strip, and blanking pilot pin 110 stretches out from the working face of blanking punch.Blanking locating hole herein refers to, at blanking station place, the hole that material strip matches with blanking pilot pin 110, this blanking locating hole can be gone out in the punch operation of preorder, namely utilizing on material strip needs the hole processed to carry out auxiliary positioning to the position of material strip, makes the machining accuracy of parts higher.
When carrying out blanking and punch operation, all can produce waste material, this part waste material needs to collect, and finally discharges blanking and piercing die, to ensure that process operation carries out continuously, exactly.For this reason, the embodiment of the present invention can on die shoe setting area fraction waste material box 202, this differentiated waste material box 202 has isolated waste chamber and process part processing and store chamber, waste chamber is connected with punching die cavity, and process part processing storage chamber is connected with blanking die cavity.Above-mentioned differentiated waste material box 202 can be installed between lower bolster 201 and counterdie backing plate 203 particularly, and the waste material produced during punching enters waste chamber, and the process part processing produced during blanking enters process part processing and stores chamber.When collecting waste material and process part processing, differentiated waste material box 202 can be extracted out, the process part processing that the waste material in waste chamber and process part processing store in chamber is taken out respectively.
The above-mentioned blanking and punching mode structure that the embodiment of the present invention provides is simple, and in use can be hand-manipulated, also can be arranged in automation equipment and carry out automated production.
Based on said structure, the embodiment of the present invention also provides a kind of blanking and punching technique, its blanking and piercing die adopting above-mentioned arbitrary technical scheme to provide, and this blanking and punching technique comprises the following steps:
S11, material strip is positioned on die shoe;
S12, driving upper bolster are descending, coordinated, realize punch operation by piercing punch with punching concave die;
S13, driving upper bolster are up, and mobile material strip, makes material strip is positioned on blanking die through the part of punching;
S14, driving upper bolster are descending, are coordinated with blanking die by blanking punch, realize blanking operation.
Material-strap structure such as Fig. 5 after above-mentioned blanking and punching processes completes illustrates.Because above-mentioned blanking and piercing die has above-mentioned technique effect, adopt the blanking and punching method of this blanking and piercing die process component also should have corresponding technique effect.
According to the relevant guide frame of middle description above, in above-mentioned blanking and punching technique, step S11 is specially: be positioned over by material strip on die shoe, makes material strip cover punching concave die and blanking die; Step S12 is specially: drive upper bolster descending, coordinated with punching concave die by piercing punch, go out blanking locating hole, coordinated with blanking die by blanking punch, form material strip locating hole in the front end of material strip, this material strip locating hole is gap structure, and this technique is coordinated with blanking die by the cooperation of piercing punch and punching concave die, blanking punch, in the punch operation of single sequence, process blanking locating hole and material strip locating hole simultaneously, in blanking operation, realize two place's guiding with this simultaneously.Obviously, this kind of processing technology has not only saved procedure, obtains higher working (machining) efficiency, also can improve the machining accuracy of parts.
Mode above only by illustrating describes some one exemplary embodiment of the present invention, undoubtedly, for those of ordinary skill in the art, when without departing from the spirit and scope of the present invention, can revise described embodiment by various different mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the claims in the present invention protection domain.
Claims (8)
1. a blanking and piercing die, comprise upper bolster, die shoe, holding pad, blanking punch, blanking die, piercing punch and punching concave die, it is characterized in that, described blanking punch and described piercing punch are all installed on described upper bolster, and both are along the operation switching direction laid out in parallel of material strip, described blanking die and described punching concave die are all installed on described die shoe, and both are along the operation switching direction laid out in parallel of material strip, described blanking punch and described blanking die are multiple, and each described blanking punch coordinates one by one with each described blanking die.
2. blanking and piercing die according to claim 1, it is characterized in that, also comprise can with the guide plate of the EDGE CONTACT of material strip and the gathering sill coordinated with described guide plate, described guide plate is fixed in the one in described die shoe and described holding pad, described gathering sill is arranged in the another one in described die shoe and described holding pad, and described guide plate and described gathering sill all extend along the operation switching direction of material strip.
3. blanking and piercing die according to claim 2, is characterized in that, the cross section of described guide plate is rectangle, and the cross section of described gathering sill is rectangle.
4. blanking and piercing die according to claim 1, it is characterized in that, also comprise the material strip alignment pin be installed on described die shoe, described material strip alignment pin can coordinate with the material strip locating hole on material strip, and described material strip alignment pin is relative with described holding pad along the patrix direction of motion.
5. blanking and piercing die according to claim 1, it is characterized in that, also comprise the blanking pilot pin be installed on described upper bolster, described blanking pilot pin can coordinate with the blanking locating hole on material strip, and described blanking pilot pin stretches out from the working face of described blanking punch.
6. the blanking and piercing die according to any one of claim 1-5, it is characterized in that, setting area fraction waste material box on described die shoe, described differentiated waste material box have isolated waste chamber and process part processing storage chamber, described waste chamber is connected with punching die cavity, and described process part processing stores chamber and is connected with blanking die cavity.
7. a blanking and punching technique, it adopts the blanking and piercing die according to any one of claim 1-6, it is characterized in that, comprises the following steps:
S11, material strip is positioned on die shoe;
S12, driving upper bolster are descending, coordinated, realize punch operation by piercing punch with punching concave die;
S13, drive described upper bolster up, mobile described material strip, makes described material strip is positioned on blanking die through the part of punching;
S14, driving upper bolster are descending, are coordinated with described blanking die by blanking punch, realize blanking operation.
8. blanking and punching technique according to claim 7, is characterized in that,
Described step S11 is specially: be positioned on described die shoe by described material strip, makes described material strip cover described punching concave die and described blanking die;
Described step S12 is specially: drive described upper bolster descending, coordinated with described punching concave die by described piercing punch, go out blanking locating hole, coordinated with described blanking die by described blanking punch, form material strip locating hole in the front end of material strip, described material strip locating hole is gap structure.
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Cited By (6)
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CN105215173A (en) * | 2015-10-27 | 2016-01-06 | 辉泰(太仓)汽配有限公司 | A kind of diel of engine pipe cap and engine production technology for pipe cap |
CN105290225A (en) * | 2015-11-20 | 2016-02-03 | 重庆庆建机械配件有限公司 | Blanking-punching die of accelerator combined movable block |
CN106180357A (en) * | 2016-08-25 | 2016-12-07 | 信质电机股份有限公司 | A kind of electric machine iron core abnormity with blanking anti-misdelivery function turns round greatly mould |
CN106475453A (en) * | 2016-11-15 | 2017-03-08 | 安徽江淮汽车集团股份有限公司 | Blanking and piercing die with garbage collection function |
CN107052161A (en) * | 2017-06-19 | 2017-08-18 | 沈阳飞机工业(集团)有限公司 | A kind of " twin-tub " shape sheet part and its manufacture method |
CN109513825A (en) * | 2018-12-29 | 2019-03-26 | 佛山市勤健五金制品有限公司 | Terminal punching die |
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CN106180357A (en) * | 2016-08-25 | 2016-12-07 | 信质电机股份有限公司 | A kind of electric machine iron core abnormity with blanking anti-misdelivery function turns round greatly mould |
CN106475453A (en) * | 2016-11-15 | 2017-03-08 | 安徽江淮汽车集团股份有限公司 | Blanking and piercing die with garbage collection function |
CN107052161A (en) * | 2017-06-19 | 2017-08-18 | 沈阳飞机工业(集团)有限公司 | A kind of " twin-tub " shape sheet part and its manufacture method |
CN109513825A (en) * | 2018-12-29 | 2019-03-26 | 佛山市勤健五金制品有限公司 | Terminal punching die |
CN109513825B (en) * | 2018-12-29 | 2024-05-07 | 佛山市勤健五金制品有限公司 | Terminal stamping die |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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Application publication date: 20151007 |