CN110125237B - Stamping die for blanking clearance experiment of quick-change male die - Google Patents
Stamping die for blanking clearance experiment of quick-change male die Download PDFInfo
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- CN110125237B CN110125237B CN201910512937.XA CN201910512937A CN110125237B CN 110125237 B CN110125237 B CN 110125237B CN 201910512937 A CN201910512937 A CN 201910512937A CN 110125237 B CN110125237 B CN 110125237B
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- 238000002474 experimental method Methods 0.000 title claims abstract description 22
- 238000007599 discharging Methods 0.000 claims abstract description 23
- 230000000903 blocking effect Effects 0.000 claims description 13
- 235000014676 Phragmites communis Nutrition 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 7
- 238000004080 punching Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to a stamping die for a blanking gap experiment of a quick-change male die, which comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die base, a male die fixing plate, a male die and a compacting block, the male die is arranged on the male die fixing plate and is compacted by the compacting block, the lower die assembly comprises a lower die base, a female die and a discharging guide plate, the female die and the discharging guide plate are sequentially fixed on the lower die base, a female die hole and a discharging hole corresponding to the male die are respectively arranged on the female die and the discharging guide plate, the stamping die is arranged on a press, an experiment workpiece is inserted into a guide groove of the discharging guide plate and covers the female die hole, the press drives the upper die assembly to enable the male die to move downwards and gradually approach to the experiment workpiece for blanking, the stamping die is changed by changing blanking gaps of blanking experiments through the male dies with different sizes, the same experiment workpiece is blanked through different blanking gaps, and the condition of blanking sections is observed.
Description
Technical Field
The invention relates to a blanking die, in particular to a stamping die for a blanking clearance experiment of a quick-change male die.
Background
The blanking gap is the difference between the transverse dimension of the cutting edge of the female die of the blanking die and the transverse dimension of the cutting edge of the male die, and is generally represented by Z, the double-sided gap is generally represented by Z/2, and the single-sided gap is generally positive for ordinary blanking. The blanking clearance is a very important technological parameter in the design of a blanking die, has great influence on the quality of a blanking piece, the service life of the die and the blanking force, a reasonable blanking clearance value not only can obtain the blanking piece with better quality, but also can improve the service life of the die, and the blanking clearance experiment is a basic experiment of the material processing specialty, and is a verification experiment designed for researching the influence of the blanking clearance on the quality of the blanking piece and the blanking force. The die is required to be disassembled, installed and debugged for many times in the existing blanking clearance test process, the whole die is replaced on the punch press, the test time is prolonged, a plurality of uncertain factors are increased in the debugging process, the precision and the uniformity of the die clearance cannot be ensured, and a scheme that the die is easy to replace and convenient to operate is necessary to solve the problem.
Disclosure of Invention
In order to solve the problems, the invention provides a stamping die for a blanking clearance experiment of a quick-change male die.
The specific contents are as follows: stamping die for blanking clearance experiments of quick change terrace die, this mould includes last module and lower module, characterized by:
the upper die assembly comprises an upper die holder, a male die fixing plate, a male die and a compression block, wherein a cylindrical die shank which extends upwards and is perpendicular to the upper die holder is fixed at the central position of the upper die holder;
the lower die assembly comprises a lower die holder, a female die and a discharging guide plate, two parallel guide posts which vertically extend upwards are arranged on the same side of the lower die holder, the guide posts are correspondingly sleeved in the guide sleeves to form sliding pairs, a female die is fixed on the upper surface of the lower die holder, a female die hole which vertically penetrates through the female die and is positioned under the male die is formed in the female die, a discharging guide plate with a guide groove in the horizontal direction is fixed on the upper surface of the female die, an opening of the guide groove downwards and horizontally penetrates through two side surfaces of the discharging guide plate, a discharging hole which vertically penetrates through the guide groove and corresponds to the female die hole is formed in the discharging guide plate, a cylindrical and upwards-protruding retaining nail is arranged on the upper surface of the female die and is positioned in the guide groove, a slope type blanking groove which is lifted inwards from one side surface and penetrates through the side surface is correspondingly communicated with the female die hole on the lower die holder.
Preferably, the compaction block is provided with a threaded hole which is horizontally penetrated, the threaded hole is internally connected with a jacking screw through threads, and the jacking screw penetrates through the threaded hole and is jacked on the side wall of the fixed part of the male die along the radial direction of the male die.
Preferably, a groove for cutting off the inward sink of the hanging table is respectively arranged on the male die fixing plate and positioned on two sides of the rectangular notch, a reed is respectively fixed in the groove, and the free end of the reed faces the bottom of the rectangular notch and naturally pushes up against the lower surface of the annular blocking lug on the male die.
Preferably, the bottom of the rectangular notch is provided with a step hole which horizontally penetrates through the male die fixing plate, the pore in the step hole is communicated with the rectangular notch, a screw rod and a bolt head are placed in the step hole, the screw rod of the ejection bolt penetrates out of the pore of the step hole, the tail of the thick hole of the step hole is fixedly provided with a jackscrew, a spring is arranged between the jackscrew and the ejection bolt, and two ends of the spring are respectively ejected onto the ejection bolt and the jackscrew.
Preferably, the diameter of the blocking nail is smaller than that of the working part of the male die, the bottom of the rectangular notch is set to be an arc-shaped surface A matched with the side wall of the fixed part of the male die, and the end face of the extending end of the compacting block is provided with an arc-shaped surface B matched with the side wall of the fixed part of the male die.
Preferably, the lower end of the die shank is provided with an annular limiting block which is sunken in the upper die holder, the lower surface of the limiting block is flush with the lower surface of the upper die holder, and a pin is arranged between the side surface of the limiting block and the upper die holder.
The stamping die for the blanking clearance experiment of the quick-change male die has the beneficial technical effects that the stamping die comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die holder, a male die fixing plate, a male die and a compression block, the male die is arranged on the male die fixing plate and is compressed by the compression block, the lower die assembly comprises a lower die holder, a female die and a discharging guide plate, and the female die and the discharging guide plate are sequentially fixed on the lower die holder; the pressing block of the pressing male die is provided with the pressing screw, and the pressing screw presses the male die again when the pressing block presses the male die, so that the pressing male die is more stable and firm; meanwhile, the bottom of the rectangular notch on the male die fixing plate is provided with a spring-supported ejection bolt, so that the male die is easier to detach; the reed is arranged on the side surface of the rectangular notch on the male die fixing plate, so that the upper surface of the male die is always contacted with the surface of the backing plate after being mounted, gaps are avoided, and the annular blocking lug of the male die is damaged during stamping.
Drawings
Fig. 1 is a schematic perspective view of a stamping die for blanking gap experiments of a quick-change male die;
fig. 2 is a front view of a punching die for a blanking gap experiment of a quick-change punch; FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;
FIG. 4 is an enlarged schematic view of B in FIG. 3;
fig. 5 is a schematic perspective view of a compacting block compacting a male die on a male die fixing plate; FIG. 6 is a schematic view of the perspective view of FIG. 5 from another angle after removal of the punch;
fig. 7 is a schematic perspective view of a male die holder; fig. 8 is a schematic perspective view of a male die;
in the figure:
11. shank, 111, stopper, 112, pin, 12, upper die holder, 13, backing plate, 14, compression block, 141, lug, 142, arcuate face B, 143, securing boss, 15, set screw, 16, male, 161, annular stop, 162, securing portion, 163, working portion, 17, male mounting, 171, stepped bore, 172, hanging table, 173, reed, 174, rectangular cutout, 175, arcuate face A, 176, recess, 18, guide sleeve, 19, spring, 191, jackscrew, 192, ejector bolt.
21. Guide pillar, 22, discharge guide plate, 221, discharge hole, 222, baffle box, 23, die, 231, die hole, 24, lower die holder, 241, chute, 25, stop pin.
Detailed Description
In a first embodiment, see fig. 1-8, a stamping die for a blanking clearance experiment for a quick change punch, the die comprising an upper die assembly and a lower die assembly,
the upper die assembly comprises an upper die holder, a male die fixing plate, a male die and a compression block, wherein a cylindrical die shank which extends upwards and is perpendicular to the upper die holder is fixed at the central position of the upper die holder, the stamping die is arranged on a press machine, two guide sleeves which extend downwards in parallel and vertically penetrate through the upper die holder are arranged on the same side of the upper die holder, the male die fixing plate is in a cuboid shape, the male die fixing plate is fixed on the lower surface of the upper die holder through a base plate, a rectangular notch which is internally cut from one side surface of the male die fixing plate and vertically penetrates through the male die fixing plate is arranged on the male die fixing plate, a hanging table which is in a circle horizontal step shape is downwards arranged along the upper edge of the rectangular notch and from the upper surface of the male die fixing plate, the male die comprises a fixing part and a working part, annular blocking lug which is matched with the hanging table is arranged at the free end of the fixing part, a fixing boss with a through hole is respectively arranged on two sides of one end of the compression block, a hanging lug which extends inwards and is matched with the hanging table is arranged on the upper surface of the other end of the compression block, a rectangular lug which is inserted from the upper die fixing lug of the rectangular lug, and the corresponding to the hanging table is fixed on the side face of the side of the rectangular lug through the corresponding to the hanging table through the fixing lug through the annular lug;
the lower die assembly comprises a lower die holder, a female die and a discharging guide plate, two parallel guide columns which vertically extend upwards are arranged on the same side of the lower die holder, the guide columns are correspondingly sleeved in the guide sleeves to form sliding pairs, a female die is fixed on the upper surface of the lower die holder, a female die hole which vertically penetrates through the female die and is positioned under the male die is formed in the female die, a discharging guide plate which is provided with a guide groove in the horizontal direction is fixed on the upper surface of the female die, the opening of the guide groove downwards and horizontally penetrates through the two side surfaces of the discharging guide plate, the guide groove is used for placing experimental workpieces, a discharging hole which vertically penetrates through the guide groove and corresponds to the female die hole is formed in the discharging guide plate, the experimental workpieces are separated from the working part of the male die after blanking is finished, a cylindrical and upwards-protruding stop nail is arranged on the upper surface of the female die and is used for positioning the experimental workpieces in the length direction, a slope type blanking groove which is lifted inwards from one side and penetrates through the side surface is formed in the upper surface of the female die, and the blanking groove is correspondingly communicated with the blanking groove of the die holder after blanking is carried out.
The pressing block is provided with a threaded hole which is horizontally penetrated, the threaded hole is internally connected with a tightening screw through threads, the tightening screw penetrates through the threaded hole and is radially pressed on the side wall of the fixing part of the male die along the radial direction of the male die, and the tightening screw further tightens the male die.
The male die fixing plate is provided with a groove for cutting off the inward sinking of the hanging table, a reed is respectively fixed in the groove, the free end of the reed faces the bottom of the rectangular notch and naturally pushes upwards against the lower surface of the annular blocking lug on the male die, the upper surface of the male die is always contacted with the surface of the backing plate after being installed, gaps are avoided, and the annular blocking lug of the male die is damaged during stamping.
The bottom of the rectangular notch is provided with a step hole which horizontally penetrates through the male die fixing plate, the pore in the step hole is communicated with the rectangular notch, a screw rod and a bolt head are placed in the step hole, the screw rod of the ejection bolt penetrates out of the pore of the step hole, a jackscrew is fixed at the tail part of the rough hole of the step hole, a spring is arranged between the jackscrew and the ejection bolt, two ends of the spring are respectively propped against the ejection bolt and the jackscrew, and the spring supports the ejection bolt to facilitate the disassembly of the male die.
The diameter of the blocking nail is smaller than that of the working part of the male die, the bottom of the rectangular notch is set to be an arc-shaped surface A matched with the side wall of the fixed part of the male die, and the end face of the extending end of the compacting block is provided with an arc-shaped surface B matched with the side wall of the fixed part of the male die.
The lower end of the die shank is provided with an annular limiting block which is sunken in the upper die holder, the lower surface of the limiting block is flush with the lower surface of the upper die holder, and a pin is arranged between the side surface of the limiting block and the upper die holder.
The working engineering of the invention: the stamping die is arranged on a press machine, a die shank is relatively fixed with a power mechanism of the press machine, a punch with proper size (the size of a working part is only changed for punches with different sizes) is selected, the working part of the punch is vertically and downwards matched with a hanging table at the upper edge of a rectangular notch from one side of a punch fixing plate, the annular blocking lug moves towards the bottom of the rectangular notch along the hanging table, a reed naturally lifted in grooves at two sides of the rectangular notch is gradually pressed on the lower surface of the annular blocking lug along with the movement of the punch towards the bottom of the rectangular notch, the punch is jacked up and clung to the lower surface of a backing plate under the action of the spring force, then the hanging lug on a compacting block is matched with the hanging table to extend into the rectangular notch, and the arc surface B at the extending end of the compacting block is clung to the side wall of the fixing part and is clamped by the relative fixing of the compacting block and the punch fixing plate, then the punch is clamped for the second time by screwing a jacking screw on the compacting block, then an experimental workpiece matched with the guide chute is stretched into the guide chute from one end of the guide chute and covers a female die hole on the female die, the stretching end of the experimental workpiece is jacked on the blocking nail, at the moment, the upper die assembly is driven by the press to gradually move the punch downwards to pass through the discharging hole, the punch gradually punches the experimental workpiece under the action of the press, the punch gradually leaves the lower die assembly after the punching is completed, the blanked blanking slides out along the blanking chute under the action of self gravity, the blanked workpiece is taken out to observe the blanking section, or the experimental workpiece is continuously stretched into the guide chute and sleeved on the blocking nail in the hole of the previous punching on the experimental workpiece, the punches are continuously replaced at the same time, the experiment with different punching gaps are continuously performed on the same experimental workpiece, the experimental work pieces with different materials can be punched by the same male die, so that the materials and the experimental time can be saved, more section conditions of the experimental work pieces can be obtained by punching with different punching gaps, visual impression is given to students, the influence of the selection of the punching gaps on the punching quality is important for the students to understand the selection and the determination of the punching gaps.
Claims (4)
1. Stamping die for blanking clearance experiments of quick change terrace die, this mould includes last module and lower module, characterized by:
the upper die assembly comprises an upper die holder, a male die fixing plate, a male die and a compression block, wherein a cylindrical die shank which extends upwards and is perpendicular to the upper die holder is fixed at the central position of the upper die holder;
the lower die assembly comprises a lower die holder, a female die and a discharging guide plate, two parallel guide posts which vertically extend upwards are arranged on the same side of the lower die holder, the guide posts are correspondingly sleeved in the guide sleeves to form sliding pairs, a female die is fixed on the upper surface of the lower die holder, a female die hole which vertically penetrates through the female die and is positioned under the male die is arranged on the female die, a discharging guide plate with a guide groove in the horizontal direction is fixed on the upper surface of the female die, the opening of the guide groove downwards and horizontally penetrates through two side surfaces of the discharging guide plate, a discharging hole which vertically penetrates through the guide groove and corresponds to the female die hole is arranged on the discharging guide plate, a cylindrical and upwards-protruding retaining nail is arranged on the upper surface of the female die and is positioned in the guide groove, a slope type blanking groove which is lifted inwards from one side surface and penetrates through the side surface is correspondingly communicated with the female die hole on the lower die holder;
the male die fixing plate is provided with a groove for cutting off the inward sinking of the hanging table, two sides of the rectangular notch are respectively provided with a reed, the free end of the reed faces the bottom of the rectangular notch and naturally pushes up against the lower surface of the annular blocking lug on the male die;
the bottom of the rectangular notch is provided with a step hole which horizontally penetrates through the male die fixing plate, the pore in the step hole is communicated with the rectangular notch, the step hole is provided with an ejection bolt, the screw rod and the bolt head of the ejection bolt are respectively corresponding to the pore and the rough hole of the step hole, the screw rod of the ejection bolt penetrates out of the pore of the step hole, the tail of the rough hole of the step hole is fixedly provided with a jackscrew, a spring is arranged between the jackscrew and the ejection bolt, and two ends of the spring are respectively ejected and pressed on the ejection bolt and the jackscrew.
2. The stamping die for blanking interval experiments of a quick-change male die according to claim 1, characterized in that: the pressing block is provided with a horizontally through threaded hole, a jacking screw is connected in the threaded hole through threads, and the jacking screw penetrates through the threaded hole and is jacked on the side wall of the fixing part of the male die along the radial direction of the male die.
3. The stamping die for blanking interval experiments of a quick-change male die according to claim 1, characterized in that: the diameter of the blocking nail is smaller than that of the working part of the male die, the bottom of the rectangular notch is set to be an arc-shaped surface A matched with the side wall of the fixed part of the male die, and the end face of the extending end of the compacting block is provided with an arc-shaped surface B matched with the side wall of the fixed part of the male die.
4. The stamping die for blanking interval experiments of a quick-change male die according to claim 1, characterized in that: the lower end of the die shank is provided with an annular limiting block which is sunken in the upper die holder, the lower surface of the limiting block is flush with the lower surface of the upper die holder, and a pin is arranged between the side surface of the limiting block and the upper die holder.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822176788 | 2018-12-25 | ||
| CN2018221767888 | 2018-12-25 | ||
| CN2018115857468 | 2018-12-25 | ||
| CN201811585746 | 2018-12-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110125237A CN110125237A (en) | 2019-08-16 |
| CN110125237B true CN110125237B (en) | 2024-04-02 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920889723.XU Expired - Fee Related CN210435139U (en) | 2018-12-25 | 2019-06-14 | Stamping die for blanking clearance experiment of quick-change male die |
| CN201910512937.XA Active CN110125237B (en) | 2018-12-25 | 2019-06-14 | Stamping die for blanking clearance experiment of quick-change male die |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920889723.XU Expired - Fee Related CN210435139U (en) | 2018-12-25 | 2019-06-14 | Stamping die for blanking clearance experiment of quick-change male die |
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| CN (2) | CN210435139U (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210435139U (en) * | 2018-12-25 | 2020-05-01 | 河南工学院 | Stamping die for blanking clearance experiment of quick-change male die |
| CN110509349B (en) * | 2019-08-27 | 2021-02-19 | 苏州骏创汽车科技股份有限公司 | Punching device for automotive plastic interior trim injection molding part |
| CN110508666B (en) * | 2019-09-27 | 2024-03-29 | 合肥安信通用阀片制造有限公司 | Quick-change structure compressor valve block single-punch die |
| CN112404247A (en) * | 2020-12-07 | 2021-02-26 | 安徽工业大学 | Detachable combined type punching die |
| CN114346079B (en) * | 2022-03-21 | 2022-05-24 | 宁波德洲精密电子有限公司 | Lead frame die positioning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0538531A (en) * | 1991-07-31 | 1993-02-19 | Mita Ind Co Ltd | Press die |
| CN104148494A (en) * | 2014-08-20 | 2014-11-19 | 台州旭瑞精密模具有限公司 | Male die position adjusting mechanism in continuous deep drawing die |
| CN105251857A (en) * | 2015-10-30 | 2016-01-20 | 重庆港乾机械有限公司 | Guide plate type blanking die |
| CN205165563U (en) * | 2015-11-12 | 2016-04-20 | 应志强 | Quick change terrace die structure |
| CN106111793A (en) * | 2016-06-29 | 2016-11-16 | 应志强 | A kind of Quick-change punch structure |
| CN206122486U (en) * | 2016-10-14 | 2017-04-26 | 瑞安市车辆配件厂 | Clutch gasket stamping die |
| CN206122505U (en) * | 2016-08-31 | 2017-04-26 | 东莞市劲鼎汽配科技有限公司 | Stamping die terrace die |
| CN206747385U (en) * | 2017-04-27 | 2017-12-15 | 勋龙智造精密应用材料（苏州）股份有限公司 | A kind of device for quickly disassembling for drift |
| CN108526316A (en) * | 2018-04-14 | 2018-09-14 | 安徽盛美金属科技有限公司 | A kind of diel being easily installed |
| CN210435139U (en) * | 2018-12-25 | 2020-05-01 | 河南工学院 | Stamping die for blanking clearance experiment of quick-change male die |
-
2019
- 2019-06-14 CN CN201920889723.XU patent/CN210435139U/en not_active Expired - Fee Related
- 2019-06-14 CN CN201910512937.XA patent/CN110125237B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0538531A (en) * | 1991-07-31 | 1993-02-19 | Mita Ind Co Ltd | Press die |
| CN104148494A (en) * | 2014-08-20 | 2014-11-19 | 台州旭瑞精密模具有限公司 | Male die position adjusting mechanism in continuous deep drawing die |
| CN105251857A (en) * | 2015-10-30 | 2016-01-20 | 重庆港乾机械有限公司 | Guide plate type blanking die |
| CN205165563U (en) * | 2015-11-12 | 2016-04-20 | 应志强 | Quick change terrace die structure |
| CN106111793A (en) * | 2016-06-29 | 2016-11-16 | 应志强 | A kind of Quick-change punch structure |
| CN206122505U (en) * | 2016-08-31 | 2017-04-26 | 东莞市劲鼎汽配科技有限公司 | Stamping die terrace die |
| CN206122486U (en) * | 2016-10-14 | 2017-04-26 | 瑞安市车辆配件厂 | Clutch gasket stamping die |
| CN206747385U (en) * | 2017-04-27 | 2017-12-15 | 勋龙智造精密应用材料（苏州）股份有限公司 | A kind of device for quickly disassembling for drift |
| CN108526316A (en) * | 2018-04-14 | 2018-09-14 | 安徽盛美金属科技有限公司 | A kind of diel being easily installed |
| CN210435139U (en) * | 2018-12-25 | 2020-05-01 | 河南工学院 | Stamping die for blanking clearance experiment of quick-change male die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN210435139U (en) | 2020-05-01 |
| CN110125237A (en) | 2019-08-16 |
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