CN213033409U - Elastic discharging stamping die for large-diameter equal-dividing holes - Google Patents
Elastic discharging stamping die for large-diameter equal-dividing holes Download PDFInfo
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- CN213033409U CN213033409U CN202021423522.XU CN202021423522U CN213033409U CN 213033409 U CN213033409 U CN 213033409U CN 202021423522 U CN202021423522 U CN 202021423522U CN 213033409 U CN213033409 U CN 213033409U
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Abstract
The utility model belongs to the technical field of cut-out press, concretely relates to elasticity stamping die of unloading for major diameter equant hole, it has solved the problem that major diameter equant hole has the location difficulty when the punching press. The utility model is provided with a fixed arc track plate and a movable positioning plate; a plurality of flanges of the movable positioning plate are arranged along the circular arc in an equal division way, the circular arc is concentric with the equal division circular arc of the equal division hole, and the flanges and the equal division hole are positioned on the same equal division line; the grooves of the fixed arc track board are consistent with the arc radius of the flange, the grooves are arranged in an equal division manner along the arc, the arc is concentric with the equal division arc of the equal division hole, and the equal division angle of the grooves and the flange is consistent; the flange of the movable positioning plate can be movably clamped in the grooves of different fixed arc track plates, and the workpiece is clamped in the mounting groove of the movable positioning plate and used for realizing the positioning of the equant holes and the one-by-one punching of the equant holes. The utility model discloses guarantee the uniformity and the precision of punching a hole, solved the problem of major diameter partition round hole batch production processing location difficulty.
Description
Technical Field
The utility model belongs to the technical field of cut-out press, concretely relates to last mould elastic discharge stamping die for major diameter partition hole.
Background
In the traditional production, a large batch of workpieces with large-diameter evenly-divided multiple holes (a plurality of holes are evenly distributed on the workpiece along an arc with the diameter R, namely the evenly-divided holes in the description, the arc with the diameter R is hereinafter referred to as the evenly-divided arc R) are processed by a drill jig, and the processing process comprises scribing, drilling and manufacturing of a special drill jig, but the problems of frequent loading and unloading, low processing efficiency, poor processing consistency, quick drill bit abrasion, high labor intensity of workers and the like exist. The punching die has the characteristics of high efficiency, high consistency and high economy relative to the drilling processing, but the large-diameter equant holes are limited by the size of the table board of the punching machine due to large diameter and cannot be positioned by the center, and the circular arc is not easy to position, so that the problem of difficult positioning exists in the punching process.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to solve when major diameter partition hole drilling machining efficiency low, the processing uniformity is poor, the drill bit wearing and tearing are fast, workman intensity of labour is big and there is the problem of location difficulty when the punching press, provide an go up mould elastic discharge stamping die who is used for major diameter partition hole.
The utility model discloses a following technical scheme realizes: an upper die elastic unloading stamping die for large-diameter equal division holes comprises an upper die fixing plate, a punch fixed at the bottom of the upper die fixing plate, an elastic unloading plate elastically connected to the bottom of the upper die fixing plate, a lower die fixing plate, a fixed arc track plate and a movable positioning plate;
one side of the movable positioning plate is provided with a mounting groove used for being mounted in a matched mode with a workpiece, the mounting groove is matched with the shape of the workpiece, the other side of the movable positioning plate corresponding to the mounting groove is provided with a plurality of circular arc-shaped flanges, the plurality of flanges are equally divided along a circular arc R1, the circular arc R1 is concentric with an equal dividing circular arc R of the equal dividing holes, and the number of the flanges and the number of the equal dividing holes are consistent and are located on the same equal dividing line;
the fixed arc track plate is detachably connected to the top of the lower die fixing plate, a plurality of arc-shaped grooves used for being matched and installed with the flange are formed in one side of the fixed arc track plate, the radii of the grooves and the arc of the flange are consistent, the grooves are equally distributed along the arc R2, the arc R2 is concentric with the equally-distributed arcs R of the equally-distributed holes, the number of the grooves is larger than that of the equally-distributed holes, and the equally-distributed angles of the grooves and the equally-distributed angles of the flange are consistent;
the flange of the movable positioning plate can be movably clamped in the grooves of different fixed arc track plates, and the workpiece is clamped in the mounting groove of the movable positioning plate and used for realizing the positioning of the equant holes and the one-by-one punching of the equant holes.
Furthermore, the fixed arc track plate is detachably connected with the lower die fixing plate through a socket head cap screw.
Furthermore, the number of the grooves of the fixed arc track plate is at least three more than that of the equant holes, so that punching and positioning of the first equant hole are facilitated.
Furthermore, a handle is arranged at the front end of the movable positioning plate, so that the movable positioning plate can be moved conveniently.
Furthermore, the arc length of the groove of the fixed arc track plate is pi R/2-pi R, so that the movable positioning plate can move conveniently, and the positioning reliability of the workpiece can be guaranteed.
Furthermore, the arc length of the groove of the fixed arc track plate is less than or equal to the arc length of the flange of the movable positioning plate.
The utility model discloses compare prior art's beneficial effect:
1. the consistency and the precision of punching are ensured through the fixed arc track plate and the movable positioning plate, and the problem that large-diameter equant circular holes are difficult to produce, process and position in batch is solved;
2. according to the production method, the production efficiency and the production quality are improved to a great extent, the labor intensity of workers is reduced, according to production statistics, the average time of a single piece is 3.6 minutes when the drill jig is used for drilling, the average time of a single piece is 0.6 minute when the large-diameter equal-division punching stamping die is used, and the efficiency is improved to 84%;
3. the fixed arc track plate and the movable positioning plate are low in manufacturing cost, can be matched with the existing punching die for use, do not need to manufacture the punching die again, and effectively reduce the manufacturing cost;
4. the application has the advantages of convenient operation and wide application range, and can be popularized and applied to punching of equal-division punching of large diameter.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the fixed arc track slab of the present invention;
FIG. 3 is a schematic structural view of the movable positioning plate of the present invention;
FIG. 4 is a schematic view of a workpiece structure;
fig. 5 is a schematic view of the present invention in a flushing mode 1;
fig. 6 is a schematic view of the present invention in a flushing mode 2;
fig. 7 is a schematic view of the present invention in a flushing mode 3;
in the figure: 1-upper die fixing plate, 2-fixed arc track plate, 2.1-groove, 3-movable positioning plate, 3.1-flange, 3.2-mounting groove, 3.3-handle, 4-workpiece, 5-lower die fixing plate, 6-punch and 7-equant hole.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The term "front-to-back" refers to the length of the workpiece in the die, "front" refers to the end closer to the operator, and "back" refers to the end farther from the operator.
The front end of the movable positioning plate refers to one end of the movable positioning plate close to an operator.
Referring to fig. 1 to 4, the utility model provides a technical scheme: an upper die elastic unloading stamping die for large-diameter equal division holes comprises an upper die fixing plate 1, a punch 6 fixed at the bottom of the upper die fixing plate 1, an elastic unloading plate elastically connected to the bottom of the upper die fixing plate 1, a lower die fixing plate 5, a fixed arc track plate 2 and a movable positioning plate 3;
one side of the movable positioning plate 3 is provided with a mounting groove 3.2 used for being mounted with a workpiece 4 in a matching way, the mounting groove 3.2 is matched with the workpiece 4 in shape, the other side of the movable positioning plate 3 corresponding to the mounting groove is provided with a plurality of circular arc-shaped flanges 3.1, the plurality of flanges 3.1 are equally divided along a circular arc R1, a circular arc R1 is concentric with an equally divided circular arc R of the equally divided holes 7, and the number of the flanges 3.1 and the equally divided holes 7 is the same and are positioned on the same equally divided line;
the fixed arc track plate 2 is detachably connected to the top of the lower die fixing plate 5, a plurality of arc-shaped grooves 2.1 used for being matched with the flange 3.1 are formed in one side of the fixed arc track plate 2, the arc-shaped grooves 2.1 are identical to the arc radius of the flange 3.1, the grooves 2.1 are equally distributed along an arc R2, an arc R2 is concentric with an equal distribution arc R of the equal distribution holes 7, the number of the grooves 2.1 is larger than that of the equal distribution holes 7, and the equal distribution angle of the grooves 2.1 is identical to that of the flange 3.1;
the flange 3.1 of the movable positioning plate 3 can be movably clamped in the grooves 2.1 of different fixed arc track plates 2, and the workpiece 4 is clamped in the mounting groove 3.2 of the movable positioning plate 3 and is used for realizing the positioning of the equant holes 7 and the one-by-one punching of the equant holes 7.
The bisected angles of the arc R1, the arc R2, and the bisected arc R are all α.
The fixed arc track plate 2 is detachably connected with the lower die fixing plate 5 through a socket head cap screw.
The number of the grooves 2.1 of the fixed arc track plate 2 is at least three more than that of the equant holes 7, so that punching and positioning of the first equant hole 7 are facilitated.
The front end of the movable positioning plate 3 is provided with a handle, so that an operator can operate and move the movable positioning plate 3 conveniently.
The arc length of the groove 2.1 of the fixed arc track plate 2 is pi R/2-pi R, so that the movable positioning plate 3 can move conveniently and the positioning reliability of the workpiece 4 is guaranteed.
The arc length of the groove 2.1 of the fixed arc track plate 2 is less than or equal to the arc length of the flange 3.1 of the movable positioning plate 3.
The groove 2.1 of the fixed arc track plate 2 is formed by wire-electrode cutting precision machining, and the appearance of the movable positioning plate 3 is formed by wire-electrode cutting precision machining, so that the workpiece 4 is accurately positioned in the punching process, and accurate positioning punching of the equal division holes 7 is realized.
The application is suitable for equal division and punching of large diameters of plates.
The first flange 3.1 of the movable positioning plate 3 from front to back is provided with a mark "0", a plurality of grooves 2.1 of the fixed arc track plate 2 from front to back are respectively marked with a mark "n", "n-1", "n-2" … … 1, and n is the number of the equal division holes 7.
The utility model discloses an implementation process, as shown in FIG. 5:
1. installing the die, and then installing the fixed arc track plate 2 on the lower die fixing plate 5;
2. clamping a flange 3.1 marked with a character '0' of a movable positioning plate 3 in a groove 2.1 marked with a character '1' on a fixed arc track plate 2, enabling the flange and the groove to be tightly attached, correspondingly attaching the rest adjacent flanges 3.1 and the grooves 2.1, clamping a workpiece 4 in an installation groove 3.2, starting a punch press, and punching a first equally-divided hole 7 of the workpiece 4 by a punch 6, as shown in figure 5;
3. an operator holds the handle by hand and pulls the movable positioning plate 3 and the workpiece 4 forwards until the flange 3.1 marked with the character "0" of the movable positioning plate 3 is clamped in the groove 2.1 (namely the groove 2.1 marked with the character "2") of the next fixed arc track plate 2 and enables the flange and the workpiece to be tightly attached, the rest of the flange 3.1 and the groove 2.1 are correspondingly attached, and a punch 6 of the punch is started to punch a second equally-divided hole 7 of the workpiece 4, as shown in fig. 6;
4. and (5) repeating the step (3) until all the equally divided holes (7) are punched, as shown in figure 7.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. An elastic unloading stamping die for large-diameter equal division holes comprises an upper die fixing plate (1), a punch (6) fixed at the bottom of the upper die fixing plate (1), an elastic unloading plate and a lower die fixing plate (5) which are elastically connected to the bottom of the upper die fixing plate (1); the method is characterized in that: comprises a fixed arc track plate (2) and a movable positioning plate (3);
one side of the movable positioning plate (3) is provided with a mounting groove (3.2) which is used for being matched with the workpiece (4) for mounting, the mounting groove (3.2) is matched with the workpiece (4) in shape, the other side of the movable positioning plate (3) corresponding to the mounting groove is provided with a plurality of circular arc-shaped flanges (3.1), the plurality of flanges (3.1) are equally divided along a circular arc R1, the circular arc R1 is concentric with an equal dividing circular arc R of the equal dividing hole (7), and the number of the flanges (3.1) is the same as that of the equal dividing holes (7) and is positioned on the same equal dividing line;
the fixed arc track plate (2) is detachably connected to the top of the lower die fixing plate (5), a plurality of arc-shaped grooves (2.1) used for being matched with the flange (3.1) and installed are formed in one side of the fixed arc track plate (2), the arc radiuses of the grooves (2.1) and the flange (3.1) are consistent, the grooves (2.1) are equally distributed along an arc R2, an arc R2 is concentric with an equal distribution arc R of the equal distribution hole (7), the number of the grooves (2.1) is larger than that of the equal distribution hole (7), and the equal distribution angle of the grooves (2.1) is consistent with that of the flange (3.1);
the flange (3.1) of the movable positioning plate (3) can be movably clamped in the grooves (2.1) of different fixed arc track plates (2), and the workpiece (4) is clamped in the mounting groove (3.2) of the movable positioning plate (3) and is used for realizing the positioning of the equant holes (7) and the one-by-one punching of the equant holes (7).
2. The elastic unloading stamping die for the large-diameter equant hole as claimed in claim 1, wherein: the fixed arc track plate (2) is detachably connected with the lower die fixing plate (5) through an inner hexagon screw.
3. The elastic unloading stamping die for the large-diameter equant hole as claimed in claim 1, wherein: the number of the grooves (2.1) of the fixed arc track plate (2) is at least three more than that of the equant holes (7), so that punching and positioning of the first equant hole (7) are facilitated.
4. The elastic unloading stamping die for the large-diameter equant hole as claimed in claim 1, wherein: the front end of the movable positioning plate (3) is provided with a handle, so that the movable positioning plate (3) can be moved conveniently.
5. The elastic unloading stamping die for the large-diameter equant hole as claimed in claim 1, wherein: the arc length of the groove (2.1) of the fixed arc track plate (2) is pi R/2-pi R, so that the movable positioning plate (3) can move conveniently and the workpiece (4) can be reliably positioned.
6. An elastic discharge punching die for a large-diameter aliquoting hole according to claim 1 or 5, characterized in that: the arc length of the groove (2.1) of the fixed arc track plate (2) is less than or equal to the arc length of the flange (3.1) of the movable positioning plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021423522.XU CN213033409U (en) | 2020-07-20 | 2020-07-20 | Elastic discharging stamping die for large-diameter equal-dividing holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021423522.XU CN213033409U (en) | 2020-07-20 | 2020-07-20 | Elastic discharging stamping die for large-diameter equal-dividing holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213033409U true CN213033409U (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021423522.XU Active CN213033409U (en) | 2020-07-20 | 2020-07-20 | Elastic discharging stamping die for large-diameter equal-dividing holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213033409U (en) |
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2020
- 2020-07-20 CN CN202021423522.XU patent/CN213033409U/en active Active
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