WO1992013657A1 - Punch die set - Google Patents
Punch die set Download PDFInfo
- Publication number
- WO1992013657A1 WO1992013657A1 PCT/JP1992/000104 JP9200104W WO9213657A1 WO 1992013657 A1 WO1992013657 A1 WO 1992013657A1 JP 9200104 W JP9200104 W JP 9200104W WO 9213657 A1 WO9213657 A1 WO 9213657A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- punch
- die
- stripper
- holder
- plate
- Prior art date
Links
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
-
- 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
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
- B21D28/346—Perforating tools; Die holders length adjustable perforating tools
-
- 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
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/003—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass in punching machines or punching tools
- B21D45/006—Stripping-off devices
Definitions
- the present invention relates to a punch die set which is mounted on a bunching press or the like and is used for punching and punching of a plate material.
- the punch and die can be easily exchanged and the processing accuracy is improved. This is related to a punch die set.
- a punch die set as shown in Fig. 5 has been known as a punch die set for punching and punching a sheet material such as a steel sheet (hereinafter referred to as a work material).
- FIG. 5 is a vertical sectional view of a main part showing an example of a conventional punch die set.
- reference numeral 41 indicates a punch
- 42 indicates a die
- 43 indicates a die fixing screw
- 44 indicates a die rotation preventing bin
- 45 indicates a workpiece
- 46 indicates a set holder
- 47 indicates a sleeve.
- the stripper 48 is the stripper, 49 is the punch through hole, 50 is the spring for the stripper, 51 is the punch body, 52 is the bunch holder, 53 is the parallel reference plane, 54 Is a screw part of the punch body, 55 is a jig plate for parallel reference, 56 is a punch pressing part, 57 is a screw part of the punch pressing part, 58 is a punch head, 59 is no, a punch pad, Reference numeral 60 denotes a punch body spring.
- the stripper 48 is formed as a hollow cylinder with a bottom.
- the stripper spring 50 is configured so as to be vertically slidably inserted into a sleeve 47 fixed to the set holder 46 via an adhesive, and the spring 50 for the stripper is mounted. It is supported on the set holder 46 through the.
- a punch through hole 49 through which the punch 41 penetrates is formed at the bottom of the slit bar 48.
- the punch body 51 is formed in a hollow cylindrical shape with a bottom and is configured to be vertically slidably fitted into the above-mentioned slit bar 48, and is attached to the bottom by means of adhesive or caulking.
- a punch holder 52 to which the punch 41 is attached is formed.
- the punch body 51 also has a parallel reference surface 53 formed by cutting a part of the outer peripheral surface, and the parallel reference surface 53 is provided on the set holder 46 for the parallel reference.
- the punch body 51 is provided with a punch body screwing portion 5 on the inner periphery of the upper end portion.
- the punch body screwing portion 54 is a so-called female screw for screwing with a punch pressing portion screwing portion 57 described later.
- the punch pressing portion 56 has a bunch pressing portion screwing portion 57 that is screwed with the punch body screwing portion 54.
- the punch pressing portion screwing portion 57 is a so-called male screw, and the punch pressing portion 56 and the punch main body 51 are integrally connected by being screwed into the punch main body screwing portion 5.
- the punch press 6 is combined with the punch body 51 by pressing the punch 59.
- the punch pad 59 prevents the bunch 41 from slipping out of the bunch 41, and can adjust the bunching stroke by appropriately setting the thickness.
- a punch body spring 60 is interposed between the bunch pressing portion 56 and the above-mentioned slit bar 48.
- the die 42 is mounted on the set holder 46 at a position facing the bunch 41. Then, the die 42 is fixed by the die fixing screw 43 and is prevented from rotating by the die rotation preventing bin 44.
- the configuration of the conventional punch die set illustrated in FIG. 5 has been described above. Hereinafter, the operation of the conventional punch die set will be described.
- the punch die set is set on, for example, a staple of a breath, and the punch head 58 is pressed downward by a press or a ram (not shown) of a cylinder.
- the bunch head 58 is pressed, the elasticity of the spring 50 for the stripper is smaller than the elasticity of the spring 60 for the punch body.
- the stripper 48 is depressed until the spring 50 is bent and the bottom surface of the strip bar 48 comes into contact with the workpiece 55.
- the spring 60 for the punch body flexes, so that the punch pressing portion 56 and the punch body 51 are pushed down by a predetermined stroke, and are placed on the die 42. Drilling by punch 4 1 for workpiece 4 5 D, punching, etc. are performed.
- the processing shape in punching, punching, etc. using a punch die set is not a fixed shape but is usually changed as appropriate. In such a case, it is of course necessary to replace the punch and die used in the punch die set with a shape corresponding to the above processing shape, but it is necessary to replace the punch and die with the punch through hole provided in the slit bar.
- the shape also needs to be changed.
- the punch 41 and the die 42 need to be replaced in addition to the change of the processing shape described above, and the strip bar 48 having the punch through hole 49 has to be replaced. Must be exchanged.
- the exchange of the punch 41 and the die 42 itself is not as difficult as it is, the exchange of the slit bar 48 is very difficult, and the man-hour required for the exchange is large.
- the strip bar 48 requires not only a large number of man-hours for replacement, but also has a hollow cylindrical shape with a bottom, so that the stripper 48 itself is difficult and difficult to machine. There was an undesired problem of large man-hours.
- the punch through-holes 49 formed in the bottom of the streamer 48 must be formed in accordance with the position and shape of the punch 41, so that processing is not easy.
- the vertical position of the punch 41, the punch through hole 49, and the die 42 must be coincident with each other, and the coincidence of their angular positions in the horizontal direction must be accurate.
- the die 42 is set in the set holder by the die fixing screw 43 while the above-described angular position in the horizontal direction is set by the die rotation preventing bin 44.
- the die 42 and the die fixing screw 43 Although there is a small gap between the set holder 46 and the set holder 46, simply pressing the die with the die fixing screw 43 sets the above vertical and horizontal angular positions. It is difficult to do exactly. Therefore, there is an undesired problem that the fine adjustment is required, which requires more man-hours for replacement work.
- An object of the present invention is to provide a punch and die set that facilitates exchange of punches and dies and improves machining accuracy.
- the punch die set according to the present invention is composed of a stretcher, which is formed in a hollow shape with a bottom and is slidable up and down with respect to the set holder, and an upper and lower surface with respect to the inner surface of the slit rivet.
- a punch body slidably formed, a punch mounted at the lower end of the punch body so as to penetrate the bottom of the stripper, and a gap for inserting a workpiece through the punch body.
- the stripper is composed of a stripper body formed in a hollow shape, and a stripper plate detachably attached to a lower opening end of the stripper body. At the same time, the stripper plate has a punch through hole through which the punch penetrates.
- FIG. 1 is a configuration diagram of one embodiment of the present invention.
- FIG. 2 is a cross-sectional view taken along arrow AA shown in FIG.
- FIG. 3 is a cross-sectional view taken along arrow BB shown in FIG.
- FIG. 4 is a perspective view for explaining the positioning means in the present invention.
- FIG. 5 is a configuration diagram of a conventional example.
- FIG. 1 is a configuration diagram of an embodiment of the present invention
- FIG. 2 is a cross-sectional view taken along arrow A--A in FIG. 1
- FIG. 3 is a cross-sectional view taken along arrow B--B in FIG. 1
- FIG. FIG. 2 shows a perspective view for explanation.
- reference numeral 1 denotes a punch
- 2 denotes a die
- 3 denotes a workpiece
- 4 denotes a set holder
- 5 denotes a sleeve
- 6 denotes a stripper body
- 7 denotes a stripper play.
- 8 is the punch through hole
- 9 is the parallel reference plane of the strip bar
- 10 and 11 are the springs
- 12 is the punch body
- 13 is the punch holder
- 14 is the punch plate
- 15 is the punch Parallel reference plane
- 16 is punch head
- 17 and 18 are punch heads
- 19 is a jig plate for parallel reference
- 20 is a die holder
- 21 is a die bat.
- the stripper body 6 is formed in a hollow cylindrical shape, and is slidably fitted into a sleeve 5 fixed to a set holder 4 via an adhesive.
- a strip plate 7 having a bunch through hole 8 through which the punch 1 penetrates is formed at the lower open end of the strip body 6 so as to be detachably mounted.
- the stripper body 6 has a stripper parallel reference surface formed by cutting a part of the stripper body 6 corresponding to a parallel reference jig plate 19 described later. 9 is provided so that the relevant parallel reference plane 9 is slidably abutted against the end face of the parallel reference jig plate 19 provided on the set holder 4. It is configured to regulate the surface movement of the stripper body 6.
- the punch body 12 is configured so as to be vertically slidably inserted into the above-mentioned strip body 6, and the punch 1 is detachably mounted on the bottom by means of adhesive or caulking.
- a punch holder 13 is built in, and the punch holder 13 is detachably held by a punch plate 14.
- Ma The punch body 12 has a punch parallel reference surface 15 formed by cutting a part of the outer peripheral surface, and the punch parallel reference surface 15 is provided on the parallel reference surface provided on the set holder 4.
- the punch body 12 has a punch head 16 formed by projecting at the upper end thereof, and a stroke adjusting screw 17, 1, which adjusts the buntin stroke by extending the punch head 16. 8 are provided.
- a spring 11 for the punch body is interposed between the punch body 12 and the stripper body 6.
- the die 2 is detachably mounted on the die holder 20 buried in the set holder 4 with the die pad 21 interposed therebetween, facing the bunch 1 and the stripper plate 7. It is.
- the mounting mode of the die 2 will be described later in detail.
- FIG. 2 is a cross-sectional view taken along the arrow AA in FIG. 1 for explaining the manner in which the stripper plate 7 is mounted.
- Figure 4 shows the positioning means (positioning projections and positioning recesses described later). It is a perspective view for explaining.
- reference numeral 22 denotes a positioning projection
- reference numeral 23 denotes a positioning recess
- reference numeral 24 denotes a fixing screw
- reference numeral 25 denotes a fixing screw insertion hole
- other reference numerals Corresponds to Figure 1.
- each of the positioning projections 22 is formed by projecting on the joint surface of the strip plate 7 with the strip body 6. is there.
- Each of the positioning recesses 23 is formed on the lower end surface of the stripper body 6 so as to correspond to the positioning projection 22.
- These positioning projections 22 and positioning recesses 23 are provided with a Y-axis parallel to the above-mentioned slit parallel reference plane 9 and punch parallel reference plane 15 (shown in FIG. 3) and the Y-axis. It is formed on the basis of the X axis orthogonal to.
- the punch through hole 8 formed in the strip plate 7 is also machined based on the X and Y axes.
- the stripper plate 7 is replaced.
- the positioning of the punch through-holes 8 corresponding to the punches 1, 2, 1 is automatically performed, so to speak.
- the positioning protrusion is provided on the stripper plate 7 and the positioning recess is provided on the stripper body 6, the positioning protrusion is provided on the stripper body 6, and the stripper plate is provided.
- the recess 7 for positioning may be provided in G7.
- these positioning projections and positioning recesses are referred to as positioning means.
- the positioning means is also provided between the die 2 and the die holder 20 and between the lower end surface of the punch body 12 and the bunch blade 14. Therefore, as described above, the die 2 and the punch plate 14 can be replaced easily and with high accuracy.
- Fig. 3 is a cross-sectional view taken along the arrows BB in Fig. 1 for explaining the manner of restricting the rotation of the stripper body 6 and the punch body 12.
- Fig. 3 is a cross-sectional view taken along the arrows BB in Fig. 1 for explaining the manner of restricting the rotation of the stripper body 6 and the punch body 12.
- a stripper parallel reference plane 9 formed on the strip main body 6 and a punch parallel reference plane 15 formed on the punch main body 12 are provided on the set holder 4 described above. It is configured to slidably contact the end surface of the parallel reference jig plate 19. Therefore, the above-mentioned stripper body 6 or punch body 12 does not rotate even when performing vertical movement.
- the fixing jig (not shown) is used as follows.
- the fixing jig has an outer diameter that can be vertically inserted into the inner peripheral surface of the sleeve 5 and a positioning means corresponding to the positioning means provided on the die holder 20 at the lower end face. It is cylindrical or cylindrical. Then, in a state in which anything other than the sleeve 5 and the die holder 20 is not attached, the fixing jig is inserted into the sleeve 5 from above until the jig reaches the die holder 20. Match the positioning means of the jig with the positioning means of the die holder 20.
- the gap between the outer peripheral surfaces of the sleeve 5 and the die holder 20 and the set holder 4 is filled and solidified with an adhesive, so that the sleeve 5 and the sleeve 5 are fixed.
- the die holder 20 is fixed in the correct position.
- the configuration of the punch die set according to the present invention has been described above. Hereinafter, the operation of the embodiment shown in FIG. 1 will be described.
- the punch die set is set on, for example, a press table, and a pressing force is applied to the stroke adjusting screws 17 and 18 by a press or a cylinder ram (not shown) to apply a force to the punch body 1 2. Is pressed down. When the punch body 12 is pressed, the elasticity of the spring 10 for the stripper is smaller than the elasticity of the spring 11 for the punch body. Spring 10 bends and spring The entire punch mechanism is pushed down until the tripper plate 7 contacts the workpiece 3.
- the punch 1 is pushed down by a predetermined stroke together with the punch body 1 and the punch body 1 2, and the punch 1 for the workpiece 3 placed on the die 2 is pressed. Drilling, punching, etc. are performed according to 1.
- the punch 1, the stripper plate 8 and the die 2 are exchanged together with the punch holders 13 and 14 and the punch plate 14 as described above.
- High-precision processing can be performed only by itself. Needless to say, the bunching stroke is adjusted by the stroke adjusting screws 17 and 18 as necessary.
- the stripper includes a stripper body formed in a hollow cylindrical shape, and a bunch penetrating hole which is attached to and detached from a lower opening end of the stripper body and is punched by a punch. Since it is composed of a stripper plate with holes, it is not necessary to replace the above-mentioned stripper body when replacing a punch, making punch replacement easier.
- the positioning means is provided between the stripper body and the stripper plate, between the die and the die holder, and between the punch body and the punch plate, the punch and the die can be exchanged. In some cases, the positioning in the circumferential direction can be performed accurately and easily, and the processing accuracy can be improved. As described above, according to the present invention, it is possible to easily replace a punch, a die, and the like in accordance with a change in a processing shape, and to improve the processing accuracy. Can be provided.
- the punch die set according to the present invention is useful as a punch die set used for punching, punching, and the like of a sheet material by being mounted on a punch, a punching press, and the like. It is suitable for use as a punch die set that requires easy positioning of punches and dies and requires accurate positioning.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69206343T DE69206343D1 (de) | 1991-02-04 | 1992-02-04 | Stanzstempel- und gesenkvorrichtung. |
EP92904233A EP0523243B1 (en) | 1991-02-04 | 1992-02-04 | Punch die set |
KR1019920702414A KR950009145B1 (ko) | 1991-02-04 | 1992-02-04 | 펀치 다이 세트 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3/35672 | 1991-02-04 | ||
JP3035672A JPH04253528A (ja) | 1991-02-04 | 1991-02-04 | パンチダイセット |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992013657A1 true WO1992013657A1 (en) | 1992-08-20 |
Family
ID=12448371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1992/000104 WO1992013657A1 (en) | 1991-02-04 | 1992-02-04 | Punch die set |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0523243B1 (ja) |
JP (1) | JPH04253528A (ja) |
KR (1) | KR950009145B1 (ja) |
CA (1) | CA2078435A1 (ja) |
DE (1) | DE69206343D1 (ja) |
WO (1) | WO1992013657A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116475307A (zh) * | 2023-04-23 | 2023-07-25 | 宝玛克(合肥)科技有限公司 | 一种辊压件在线翻孔模具及其使用方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102873170A (zh) * | 2011-07-16 | 2013-01-16 | 浦俊华 | 精密液压联合冲剪机用模具工作站 |
CN102319794A (zh) * | 2011-08-31 | 2012-01-18 | 无锡宝露锻造有限公司 | 锻件冲孔用模具 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5687232U (ja) * | 1979-12-03 | 1981-07-13 | ||
JPH0110110Y2 (ja) * | 1984-01-30 | 1989-03-22 | ||
JPH0221148Y2 (ja) * | 1983-08-26 | 1990-06-07 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3296905A (en) * | 1965-01-08 | 1967-01-10 | John S Killaly | Compressive stripping unit and indexing type nibbling punch for turret punch presses and the like |
US4428262A (en) * | 1982-07-09 | 1984-01-31 | Vlahek Charles D | Adjustable long life stripper |
EP0378601A1 (de) * | 1988-06-02 | 1990-07-25 | G. STAUFFER & CO. AG WERKZEUG-UND VORRICHTUNGSBAU | Systemwerkzeug |
US4989484A (en) * | 1988-08-19 | 1991-02-05 | Mate Punch & Die Company | Punch and stripper assembly |
-
1991
- 1991-02-04 JP JP3035672A patent/JPH04253528A/ja active Pending
-
1992
- 1992-02-04 WO PCT/JP1992/000104 patent/WO1992013657A1/ja active IP Right Grant
- 1992-02-04 CA CA002078435A patent/CA2078435A1/en not_active Abandoned
- 1992-02-04 DE DE69206343T patent/DE69206343D1/de not_active Expired - Lifetime
- 1992-02-04 KR KR1019920702414A patent/KR950009145B1/ko not_active IP Right Cessation
- 1992-02-04 EP EP92904233A patent/EP0523243B1/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5687232U (ja) * | 1979-12-03 | 1981-07-13 | ||
JPH0221148Y2 (ja) * | 1983-08-26 | 1990-06-07 | ||
JPH0110110Y2 (ja) * | 1984-01-30 | 1989-03-22 |
Non-Patent Citations (1)
Title |
---|
See also references of EP0523243A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116475307A (zh) * | 2023-04-23 | 2023-07-25 | 宝玛克(合肥)科技有限公司 | 一种辊压件在线翻孔模具及其使用方法 |
CN116475307B (zh) * | 2023-04-23 | 2024-03-19 | 宝玛克(合肥)科技有限公司 | 一种辊压件在线翻孔模具及其使用方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH04253528A (ja) | 1992-09-09 |
DE69206343D1 (de) | 1996-01-11 |
KR950009145B1 (ko) | 1995-08-16 |
KR930700228A (ko) | 1993-03-13 |
CA2078435A1 (en) | 1992-08-05 |
EP0523243A4 (en) | 1993-07-28 |
EP0523243B1 (en) | 1995-11-29 |
EP0523243A1 (en) | 1993-01-20 |
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