CN209902018U - Mould for preventing round hole waste material from turning out - Google Patents
Mould for preventing round hole waste material from turning out Download PDFInfo
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- CN209902018U CN209902018U CN201920738021.1U CN201920738021U CN209902018U CN 209902018 U CN209902018 U CN 209902018U CN 201920738021 U CN201920738021 U CN 201920738021U CN 209902018 U CN209902018 U CN 209902018U
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- hole
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- punch
- round hole
- chute
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Abstract
The utility model provides a prevent mould that round hole waste material turned over, it includes the drift and goes into the subblock, it is provided with the through-hole and sets up the chute that is used for blockking the waste material on the through-hole inner wall to go into the subblock, the through-hole comprises circle segment and circular cone section, the length direction of the edge through-hole of chute extends, the length of chute equals or is greater than the length of circle segment, the drift comprises linkage segment, toper section and punching press section, the toper section is connected between linkage segment and punching press section, the punching press section is used for punching press panel. The utility model discloses a prevent that mould of round hole waste material turn-out from producing the waste material through drift punching press panel, the chute prevents that the drift from driving the waste material toward the through-hole direction turn-out, and the waste material can be avoided the drift to cause direct damage to panel when avoiding secondary punching press through this structure, increases the practical life of mould, reduces the maintenance cycle of mould, improves production efficiency.
Description
Technical Field
The utility model relates to a mould field, in particular to prevent mould of round hole waste material roll-over.
Background
The use of the existing die is very common, in the process of using and stamping the die, waste materials are often turned upwards along with a punch, the waste materials fall onto a plate after being turned upwards, and the plate is unnecessarily damaged in the next stamping process; when the punch of most dies in the prior art adopts a blowing method during punching, the smaller punch cannot be used for punching products to process air holes, and the practical service life of the punch can be further shortened.
The clearance method that the piece was gone into to the lower mould that can adopt to change among the prior art mould when the punching press in addition changes, changes the punching press clearance that the piece was gone into to little drift and lower mould, because what adopt is high-speed punching press, the punching press clearance that the piece was gone into to punching press mould's drift and lower mould is little, leads to the accessory to wear and tear very fast, and the mould maintenance cycle can shorten, has increased the maintenance cost.
Therefore, it is necessary to provide a mold for preventing the round hole scraps from being turned out to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a prevent mould that round hole waste material turned over, it is through setting up the chute in the through-hole of income subblock, and the in-process chute that the waste material turned over on produces the effect of blockking to solve most moulds among the prior art and directly cause the skew or damage to panel when producing, reduce the life of mould, reduce production efficiency's problem simultaneously.
In order to solve the technical problem, the utility model adopts the technical scheme that: a die for preventing round hole waste from turning out is used for punching plates and comprises:
the inlet block is provided with a through hole, and the inner wall of the through hole is provided with a chute for preventing waste materials from turning out;
the punch is movably arranged above the insert block, and one end of the punch corresponds to the through hole;
the punch can move along the extending direction of the through hole, and the punch has an initial position and a punching position on a moving track;
when the punch is in the initial position, the punch is away from the sheet material;
when the punch is located at the punching position, the punch is located in the through hole and punches through the plate.
The utility model discloses in, the chute extending direction with the extending direction of through-hole is and sets for the contained angle, set for the contained angle and can be positive angle or negative angle, work as when setting for the contained angle for the positive angle, the scope of positive angle is + 2.5- +3.5, works as when the contained angle is the negative angle, the scope of negative angle is-2.5- +3.5, and the chute is favorable to blockking turning over of waste material.
The utility model discloses in, the groove width of chute is 0.15 ~ 0.25 times through-hole diameter, the groove depth is 0.01 ~ 0.02 times through-hole diameter, the size of chute is adjusted according to the diameter size of through-hole to the chute.
The utility model discloses in, the diameter of through-hole is 20mm, the groove width of chute is 0.3 ~ 0.5mm, the groove of chute is dark 0.02 ~ 0.04mm, and the width and the degree of depth of chute are favorable to convenient processing.
The utility model discloses in, be provided with one or many chutes on the inner wall of through-hole, work as when the chute is many, chute evenly distributed is in the through-hole, many chutes increase blocks the effect that the waste material turned out.
The utility model discloses in, the mould that prevents round hole waste material and turn over includes upper die base and die holder, go into subblock detachable and set up on the die holder, conveniently go into the replacement and the change of subblock.
The utility model discloses in, go into the peripheral edges and corners of subblock and all be provided with the chamfer, can not hinder the hand when the subblock is gone into in the hand contact.
The utility model discloses in, the through-hole comprises circle segment and circular cone section, the circle segment is located the top of circle segment, circle segment top diameter with the diameter of circle segment equals, the circle segment is kept away from the diameter of circle segment one end is greater than the diameter of circle segment, the one end of chute runs through to the port of through-hole, the length of chute is greater than or equal to circle segment axial length makes things convenient for the waste material to drop fast.
The utility model discloses in, the chute forms through the line cutting technique system of cutting, and line cutting technique processing technology is high, and is with low costs.
The utility model discloses in, the drift comprises linkage segment, toper section and punching press section, the toper section is connected the linkage segment with between the punching press section, the diameter of axle of punching press section is less than the diameter of axle of linkage segment, the punching press section is used for the punching press panel, drift detachable sets up on the upper die base, and the linkage segment is used for strengthening the intensity of drift.
The utility model discloses compare in prior art, its beneficial effect is: the utility model discloses a prevent that mould that round hole waste material turned over is provided with the chute through the through-hole of going into the subblock, utilizes the effect of blockking of chute to prevent the turn-out of waste material in stamping process, avoids the damage of mould, has promoted the yields of punching press goods, and in addition, the accessory life-span of mould also can prolong to reduce the maintenance cycle of mould, efficiency is effectively improved, increases more economic benefits.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding drawings of some embodiments of the present invention.
Fig. 1 is a schematic structural diagram of a preferred embodiment of the die for preventing round hole waste from turning out.
Fig. 2 is a schematic structural diagram of a preferred embodiment of the sub-block of the die for preventing the round hole waste from turning out.
Fig. 3 is an enlarged view of a portion of a structure in fig. 2.
Fig. 4 is another embodiment of the structure of fig. 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
Most of the dies in the prior art are used for stamping, waste materials fall into the plates along with the turning-out of the punch, and when the punch stamps the plates again, the punch shifts or damages the plates, so that unnecessary economic loss is caused, the service life of the dies is also shortened, the maintenance period of the dies is prolonged, and the production efficiency is reduced.
Following do the utility model provides a can solve the above technical problem prevent the preferred embodiment of the mould that the round hole waste material turned out.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a preferred embodiment of the mold for preventing the round hole waste from turning out, and fig. 2 is a schematic structural diagram of a preferred embodiment of an insert block of the mold for preventing the round hole waste from turning out.
In the drawings, elements having similar structures are denoted by the same reference numerals.
The utility model provides a prevent mould of round hole waste material turn-out for punching press panel 13, it is including going into subblock 12 and drift 11.
Go into subblock 12 and be provided with through-hole 15, go into subblock 12 peripheral edges and corners and be provided with the chamfer, the chamfer is in order to prevent hand cut when the hand from touching, goes into subblock 12 detachable setting on the die holder, conveniently changes or changes subblock 12.
Through-hole 15 inner wall is provided with the chute 14 that forms through the line cutting technique system of cutting, line cutting technique processing technology is high, it is with low costs, but not limited to use the line cutting technique system of cutting to make, through-hole 15's diameter is 20mm, through-hole 15 comprises circle segment and circular cone section, the circle segment is located the top of circular cone section, circular cone section top diameter equals with circle segment bottom diameter, the diameter that circle segment's one end was kept away from to the circular cone section is greater than the diameter of circle segment, chute 14's length is greater than or equal to circle segment axial length, drift 11 detachable sets up on the upper die base, conveniently change and change drift 11, waste material 21 can fall outside through-hole 15 fast after falling into the circle cone section through the circle segment.
Referring to fig. 3 and 4, fig. 3 is an enlarged view of a portion of a structure in fig. 2, and fig. 4 is another embodiment of the structure in fig. 3.
The groove width of the chute 14 is 0.15-0.25 times of the diameter of the through hole 15, the groove depth is 0.01-0.02 times of the diameter of the through hole 15, the groove width of the embodiment is 0.3-0.5 mm, the groove depth is 0.02-0.04 mm, the extending direction of the chute 14 and the extending direction of the through hole 15 form a set included angle, the set included angle has a positive angle and a negative angle, when the included angle is the positive angle, the range of the positive angle is +2.5 degrees to +3.5 degrees, when the included angle is the negative angle, the range of the negative angle is-2.5 degrees to-3.5 degrees, when the included angle of the chute 14 is too large, the obstruction that the waste 21 falls into the conical section from the circular section is increased, when the included angle of the chute 14 is too small, the obstruction that the chute 14 raises the waste 21 is reduced.
The positive included angle of this embodiment is indicated by 3A in fig. 3 and the negative included angle is indicated by 4A in fig. 4.
One or more inclined grooves 14 may be provided, and when the inclined grooves 14 are provided in plural on the inner wall of the through hole 15, the inclined grooves 14 are uniformly distributed on the inner wall of the through hole 15.
The punch 11 is arranged above the feeding block 12, the punch 11 is composed of a connecting section, a conical section and a punching section, the conical section is connected between the connecting section and the punching section, the shaft diameter of the punching section is smaller than that of the connecting section, the punching section corresponds to the through hole 15, and the punching section is used for punching the plate 13.
The punch 11 can move along the direction of the through hole 15 of the insert block 12, and the punch 11 has an initial position and a punching position on a moving track.
When the punch 11 is in the initial position, the punch 11 is away from the sheet 13.
When the punch 11 is in the punching position, the punch 11 is located in the through hole 15, and the punch 11 punches through the sheet material 13.
The utility model discloses a theory of operation: firstly, a plate 13 is placed on the top of the insert 12, when the punch is located at the initial position, the machine tool is started, the upper die base drives the punch 11 to punch towards the through hole 15 of the insert 12, and the punch 11 contacts the plate 13 and breaks through the plate 13.
In the pressing process, the portion of the plate material 13 in contact with the punch 11 is deformed into the through hole 15, the periphery of the contact portion is cracked and broken to form the scrap 21, and the periphery of the scrap 21 is deformed into the inclined groove 14 to form a convex portion in the pressing process.
When the punch 11 punches to a limited position, the punch 11 does not punch into the through hole 15 of the sub block 12 any more and starts to move towards the initial position, when the punch is punched at a high speed, the pressure between the punch 11 and the waste 21 is lower than the external air pressure, a vacuum adsorption area is formed, so that the waste 21 is overturned and ascended along with the punch 11, the waste 21 is in contact with the inclined groove 14 due to the peripheral convex part in the ascending process, the inclined groove 14 and the convex part form friction, and the inclined groove 14 and the through hole 15 extend to form a set angle, so that the waste 21 can be well prevented from turning upwards, the waste 21 does not ascend any more, the waste 21 falls towards the conical section of the through hole 15, and the damage to the plate 13 caused by.
Through above-mentioned structure, the drift carries out the punching press back to panel, because the effect of blockking of chute, the waste material no longer continues up to turn over out, solves the drift and reduces the damage to panel, has lengthened the practical life of mould, has improved production efficiency.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.
Claims (10)
1. The utility model provides a prevent mould of round hole waste material turn-out for punching press panel, its characterized in that includes:
the inlet block is provided with a through hole, and the inner wall of the through hole is provided with a chute for preventing waste materials from turning out;
the punch is movably arranged above the insert block, and one end of the punch corresponds to the through hole;
the punch can move along the extending direction of the through hole, and the punch has an initial position and a punching position on a moving track;
when the punch is in the initial position, the punch is away from the sheet material;
when the punch is located at the punching position, the punch is located in the through hole and punches through the plate.
2. The die for preventing the round hole scraps from turning out as claimed in claim 1, wherein the extension direction of the chute and the extension direction of the through hole form a set included angle, the set included angle can be a positive angle or a negative angle, when the included angle is a positive angle, the range of the positive angle is +2.5 degrees to +3.5 degrees, and when the included angle is a negative angle, the range of the negative angle is-2.5 degrees to-3.5 degrees.
3. The die for preventing round hole scraps from turning over according to claim 2, wherein the chute has a width of 0.15 to 0.25 times the diameter of the through hole and a depth of 0.01 to 0.02 times the diameter of the through hole.
4. The die for preventing round hole scraps from turning over as claimed in claim 3, wherein the diameter of the through hole is 20mm, the groove width of the inclined groove is 0.3-0.5 mm, and the groove depth of the inclined groove is 0.02-0.04 mm.
5. The die for preventing round hole scraps from turning over as claimed in claim 1, wherein one or more chutes are provided on the inner wall of the through hole, and when the number of the chutes is plural, the chutes are uniformly distributed in the through hole.
6. The round hole waste material overturning preventing die as claimed in claim 1, wherein the round hole waste material overturning preventing die comprises an upper die holder and a lower die holder, and the insert block is detachably arranged on the lower die holder.
7. The round hole scrap overturning preventing die as claimed in claim 5, wherein the peripheral edges and corners of the insert block are provided with chamfers.
8. The mold for preventing round hole scraps from turning over as claimed in claim 1, wherein the through hole is composed of a circular section and a conical section, the circular section is located at the top of the conical section, the diameter of the top of the conical section is equal to that of the circular section, the diameter of the end of the conical section far away from the circular section is larger than that of the circular section, one end of the chute penetrates through the port of the through hole, and the length of the chute is larger than or equal to the axial length of the circular section.
9. The round hole scrap rollover prevention die as set forth in claim 1, wherein the chutes are cut by a wire cutting technique.
10. The die for preventing the round hole scraps from turning over according to claim 1, wherein the punch is composed of a connecting section, a tapered section and a punching section, the tapered section is connected between the connecting section and the punching section, the shaft diameter of the punching section is smaller than that of the connecting section, the punching section is used for punching the sheet material, and the punch is detachably arranged on an upper die base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920738021.1U CN209902018U (en) | 2019-05-21 | 2019-05-21 | Mould for preventing round hole waste material from turning out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920738021.1U CN209902018U (en) | 2019-05-21 | 2019-05-21 | Mould for preventing round hole waste material from turning out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209902018U true CN209902018U (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920738021.1U Active CN209902018U (en) | 2019-05-21 | 2019-05-21 | Mould for preventing round hole waste material from turning out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209902018U (en) |
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2019
- 2019-05-21 CN CN201920738021.1U patent/CN209902018U/en active Active
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