CN104707914B - Split type die sleeve for straight die shank - Google Patents
Split type die sleeve for straight die shank Download PDFInfo
- Publication number
- CN104707914B CN104707914B CN201510131004.8A CN201510131004A CN104707914B CN 104707914 B CN104707914 B CN 104707914B CN 201510131004 A CN201510131004 A CN 201510131004A CN 104707914 B CN104707914 B CN 104707914B
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- Prior art keywords
- die sleeve
- die
- contact surface
- sleeve
- clearance
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Classifications
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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
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention relates to a split die sleeve for a straight die shank, which comprises a first die sleeve and a second die sleeve, wherein the first die sleeve and the second die sleeve are of split structures, the cross sections of the first die sleeve and the second die sleeve are of circular arc structures, the radius r1 of the first die sleeve is equal to the radius r2 of the second die sleeve, the radian a of the first die sleeve is equal to the radian b of the second die sleeve, two side surfaces of the first die sleeve are respectively a first contact surface and a first clearance surface, two side surfaces of the second die sleeve are respectively a second contact surface and a second clearance surface, the first contact surface and the second contact surface are arranged in parallel, and the first contact surface of the first die sleeve and the second contact surface of the second die sleeve are mutually matched to form an unclosed ring.
Description
Technical Field
The invention relates to the field of stamping die parts, in particular to a split type die sleeve for a straight die shank.
Background
the stamping process is an advanced processing method with high production efficiency and little or no cutting, has a plurality of advantages in the aspects of economy and technology, is simple and convenient to operate, is convenient to realize mechanization and automation, is suitable for the production of parts in large batch, does not need further mechanical processing on products generally, and has good dimensional precision and interchangeability. Therefore, the stamping die plays an important role in the industries of aviation, automobiles, tractors, electrical appliances of motors, precise instruments and meters and the like, and in the stamping production, the stamping die is taken as a specific execution tool of the stamping process and is naturally paid attention to, and in fact, the design level and the manufacturing precision of the stamping die structure are the key points for ensuring the quality of a stamped part.
because the types of the small punches are more, the sizes of the mounting holes of the sliding block dies of the punches are different, the thicknesses and the types of the die handles are more, the dies cannot be interchanged between the punches, the universality is poor, a plurality of die handles are required to be stored sometimes, the dies are used by replacing the die handles, and the production is inconvenient.
When small-sized stamping parts are produced, a fixed punching machine is often needed when a die is limited by the size of a sliding block hole, and passive work or work delay can be caused when the matched punching machine is damaged or proper punching machine resources do not exist when the die is used.
Disclosure of Invention
The invention aims to solve the technical problem of providing the split type die sleeve for the straight die handle, which has a simple structure, is directly sleeved on the die handle, has strong universality, prolongs the service life and saves the cost.
in order to solve the technical problems, the technical scheme of the invention is as follows:
A split type die sleeve for a straight die shank comprises a first die sleeve and a second die sleeve, wherein the first die sleeve and the second die sleeve are of split type structures, the cross sections of the first die sleeve and the second die sleeve are of circular arc structures, the radius r1 of the first die set is equal to the radius r2 of the second die set, the radian a of the first die set is equal to the radian b of the second die set, two side surfaces of the first die sleeve are respectively a first contact surface and a first clearance surface, two side surfaces of the second die sleeve are respectively a second contact surface and a second clearance surface, the first contact surface and the second contact surface are arranged in parallel, an included angle c between the first contact surface and a tangent line of the first die sleeve is 130 degrees, an included angle d between the first clearance surface and a tangent line of the first clearance surface is 90 degrees, an included angle e between the second clearance surface and a tangent line of the second clearance surface is 90 degrees, the first contact surface of the first die sleeve and the second contact surface of the second die sleeve are mutually matched to form an unclosed circular ring;
The first contact surface is provided with a clamping convex strip with an arc-shaped section, the second contact surface is provided with a clamping groove with an arc-shaped section, a central angle f opposite to the arc of the clamping groove is 130 degrees, and the clamping convex strip is in clearance fit with the clamping groove;
The inner walls of the first die sleeve and the second die sleeve are respectively provided with an inner adjusting channel, the outer walls of the first die sleeve and the second die sleeve are respectively provided with two outer adjusting channels, and the inner adjusting channels and the outer adjusting channels are distributed in a staggered mode.
The invention has the beneficial effects that:
1. the split type structure is adopted, the die handle can be directly sleeved outside the die handle in a splicing mode, the outer diameter of the die handle is increased, the structure is simple, the universality is high, and the cost is saved;
2. The first contact surface and the second contact surface are arranged in parallel, and an included angle c between the first contact surface and a tangent line of the first die sleeve is 130 degrees, when the two contact surfaces are contacted with each other, the two contact surfaces are tightly attached, so that the two contact surfaces cannot easily slip off, and the stability of the two contact surfaces is ensured;
3. the included angle d between the first clearance surface and the tangent line of the first clearance surface is 90 degrees, and the included angle e between the second clearance surface and the tangent line of the second clearance surface is 90 degrees, so that after the two die sleeves are attached to each other, the clearance surfaces cannot be contacted with each other, a certain buffer space is reserved, and therefore, the die sleeves cannot be damaged due to vibration and other factors in the using process, and the service life is prolonged;
4. the first contact surface is provided with a clamping convex strip with a circular arc-shaped section, the second contact surface is provided with a clamping groove with a circular arc-shaped section, and the clamping convex strip and the clamping groove are matched with each other, so that smoothness of mutual attachment of the clamping convex strip and the clamping groove can be ensured, certain allowance is provided, and the clamping convex strip and the clamping groove are suitable for die handles of different specifications;
5. the staggered arrangement of the inner adjusting channel and the outer adjusting channel increases the buffering capacity to a certain extent and prolongs the service life.
Drawings
FIG. 1 is a top view of the present invention.
FIG. 2 is a top view of the first set of dies of the invention.
FIG. 3 is a top view of a second set of dies according to the invention.
Detailed Description
the invention will be further explained with reference to the drawings.
As shown in the figures, the split die sleeve for the straight die shank comprises a first die sleeve 1 and a second die sleeve 2, wherein the first die sleeve 1 and the second die sleeve 2 are of a split structure, the cross sections of the first die sleeve 1 and the second die sleeve 2 are of an arc-shaped structure, the radius r1 of the first die sleeve 1 is equal to the radius r2 of the second die sleeve 2, the radian a of the first die sleeve 1 is equal to the radian b of the second die sleeve 2, two side surfaces of the first die sleeve 1 are respectively a first contact surface 3 and a first clearance surface 4, two side surfaces of the second die sleeve 2 are respectively a second contact surface 5 and a second clearance surface 6, the first contact surface 3 and the second contact surface 5 are arranged in parallel, the included angle c between the first contact surface 3 and the tangent of the first die sleeve is equal to 130 °, the included angle d between the first clearance surface 4 and the tangent of the first clearance surface is equal to 90 °, the included angle e between the second clearance surface 6 and the tangent of the second clearance surface is equal to 90 °, the first contact surface 3 of the first die sleeve and the second contact surface 5 of the second die sleeve are mutually matched to form an unclosed circular ring;
the first contact surface 3 is provided with a clamping convex strip 7 with a circular arc-shaped section, the second contact surface 5 is provided with a clamping groove 8 with a circular arc-shaped section, a central angle f opposite to the circular arc of the clamping groove 8 is 130 degrees, and the clamping convex strip 7 is in clearance fit with the clamping groove 8;
The inner walls of the first die sleeve 1 and the second die sleeve 2 are respectively provided with an inner adjusting channel 9, the outer walls of the first die sleeve 1 and the second die sleeve 2 are respectively provided with two outer adjusting channels 10, and the inner adjusting channels 9 and the outer adjusting channels 10 are distributed in a staggered mode.
The split type structure is adopted, the die handle can be directly sleeved outside the die handle in a splicing mode, the outer diameter of the die handle is increased, the structure is simple, the universality is high, and the cost is saved;
The first contact surface and the second contact surface are arranged in parallel, and an included angle c between the first contact surface and a tangent line of the first die sleeve is 130 degrees, when the two contact surfaces are contacted with each other, the two contact surfaces are tightly attached, so that the two contact surfaces cannot easily slip off, and the stability of the two contact surfaces is ensured;
The included angle d between the first clearance surface and the tangent line of the first clearance surface is 90 degrees, and the included angle e between the second clearance surface and the tangent line of the second clearance surface is 90 degrees, so that after the two die sleeves are attached to each other, the clearance surfaces cannot be contacted with each other, a certain buffer space is reserved, and therefore, the die sleeves cannot be damaged due to vibration and other factors in the using process, and the service life is prolonged;
The first contact surface is provided with a clamping convex strip with a circular arc-shaped section, the second contact surface is provided with a clamping groove with a circular arc-shaped section, and the clamping convex strip and the clamping groove are matched with each other, so that smoothness of mutual attachment of the clamping convex strip and the clamping groove can be ensured, certain allowance is provided, and the clamping convex strip and the clamping groove are suitable for die handles of different specifications;
the staggered arrangement of the inner adjusting channel and the outer adjusting channel increases the buffering capacity to a certain extent and prolongs the service life.
The description and applications of the present invention are illustrative, and not intended to limit the scope of the invention to the embodiments described above, and therefore the invention is not limited by the embodiments, and any technical solutions obtained by substituting equivalents are within the scope of the invention.
Claims (3)
1. A split type die sleeve for a straight die shank is characterized by comprising a first die sleeve and a second die sleeve, the first die sleeve and the second die sleeve are of split structures, the sections of the first die sleeve and the second die sleeve are of circular arc structures, and the radius r1 of the first die set = the radius r2 of the second die set, the arc a of the first die set = the arc b of the second die set, two side surfaces of the first die sleeve are respectively a first contact surface and a first clearance surface, two side surfaces of the second die sleeve are respectively a second contact surface and a second clearance surface, the first contact surface and the second contact surface are arranged in parallel, an included angle c =130 degrees between the first contact surface and a tangent line of the first die sleeve, an included angle d =90 degrees between the first clearance surface and a tangent line of the first clearance surface, and an included angle e =90 degrees between the second clearance surface and a tangent line of the second clearance surface, the first contact surface of the first die sleeve and the second contact surface of the second die sleeve are mutually matched to form an unclosed circular ring.
2. The split die sleeve for the straight die shank according to claim 1, wherein the first contact surface is provided with a clamping convex strip with a circular arc-shaped section, the second contact surface is provided with a clamping groove with a circular arc-shaped section, a central angle f =130 ° subtended by the circular arc of the clamping groove, and the clamping convex strip is in clearance fit with the clamping groove.
3. the split type die sleeve for the straight die shank according to claim 1, wherein the inner walls of the first die sleeve and the second die sleeve are respectively provided with an inner adjusting channel, the outer walls of the first die sleeve and the second die sleeve are respectively provided with two outer adjusting channels, and the inner adjusting channels and the outer adjusting channels are distributed in a staggered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131004.8A CN104707914B (en) | 2015-03-25 | 2015-03-25 | Split type die sleeve for straight die shank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131004.8A CN104707914B (en) | 2015-03-25 | 2015-03-25 | Split type die sleeve for straight die shank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104707914A CN104707914A (en) | 2015-06-17 |
| CN104707914B true CN104707914B (en) | 2019-12-06 |
Family
ID=53407926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510131004.8A Active CN104707914B (en) | 2015-03-25 | 2015-03-25 | Split type die sleeve for straight die shank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104707914B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU454954A1 (en) * | 1973-01-04 | 1974-12-30 | Паневежский Завод Точной Механики | Self-aligning shank |
| EP1598918A1 (en) * | 2004-05-17 | 2005-11-23 | Grundfos A/S | Lamination stack made by segments |
| JP4721817B2 (en) * | 2005-08-18 | 2011-07-13 | パンチ工業株式会社 | Die bush |
| CN2911273Y (en) * | 2006-04-30 | 2007-06-13 | 钱澄 | Splitting piston magnetic ring |
| CN101922527A (en) * | 2010-01-28 | 2010-12-22 | 周成水 | Improved structure for disk spring |
| CN102817490A (en) * | 2011-06-10 | 2012-12-12 | 郑长宝 | Ground anchor protecting sleeve |
| CN202224505U (en) * | 2011-08-16 | 2012-05-23 | 山东潍坊福田模具有限责任公司 | Shank conversion sleeve of small punch die |
| CN103042107A (en) * | 2012-12-26 | 2013-04-17 | 浙江黄岩江鑫锻造有限公司 | Precise forging hot punching device and machining method thereof |
| CN203883562U (en) * | 2014-04-23 | 2014-10-15 | 广东威灵电机制造有限公司 | Stator core, stator and motor |
-
2015
- 2015-03-25 CN CN201510131004.8A patent/CN104707914B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104707914A (en) | 2015-06-17 |
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