CN205270548U - Two -way punching die of sphere cantilever type - Google Patents
Two -way punching die of sphere cantilever type Download PDFInfo
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- CN205270548U CN205270548U CN201520914924.2U CN201520914924U CN205270548U CN 205270548 U CN205270548 U CN 205270548U CN 201520914924 U CN201520914924 U CN 201520914924U CN 205270548 U CN205270548 U CN 205270548U
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- die
- sphere
- die holder
- cantilever
- punching
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Abstract
The utility model provides a two -way punching die of sphere cantilever type belongs to the cut -out press field, including die holder and upper die base, be provided with cantilever portion on the die holder, the one end of cantilever portion is passed through the die fixing base and is connected with the die holder, the other end of cantilever portion is held for work, the work end is provided with spherical face, be provided with die and lower die spherical face relative up -down, be provided with the terrace die on the upper die base, be provided with the lower punch on the die holder, it is corresponding with last die to go up the terrace die, the lower punch is corresponding with lower die, the die holder is provided with the clamp splice respectively in the position of the left and right sides near the work end, the clamp splice can be dismantled with the die holder and be connected. The utility model provides a two -way punching die of sphere cantilever type can punch a hole to the sphere work piece is two -way simultaneously, need not to punch a hole one by one, has improved machining efficiency, has improved the precision of punching a hole greatly, has reduced the deformation of sphere work piece among the punching process, has guaranteed finished piece processingquality.
Description
Technical field
The utility model relates to punching die field, specifically, it relates to a kind of sphere cantilever type bidirectional punching die.
Background technology
Piercing die is that a kind of profile that edge is closed on blank or sheet material isolates the punch die that waste material obtains band orifice. To when carrying out punching processing with the product in relative hole on sphere, owing to sphere is curved surface, being very easy to make workpiece produce distortion during punching, the product processing quality finally obtained is difficult to ensure. Existing technology is generally utilize unidirectional piercing die to carry out punching one by one, although workpiece does not produce distortion when this kind of method can ensure punching preferably, but working (machining) efficiency is lower, need to carry out twice clamping, twice punch operation, and the right alignment in go out two holes is difficult to ensure, parts quality is still not ideal enough.
Practical novel content
The utility model provides a kind of sphere cantilever type bidirectional punching die, it is intended to improve the problems referred to above.
The utility model is achieved in that
A kind of sphere cantilever type bidirectional punching die, comprise lower die holder and upper die holder, described lower die holder is provided with cantilever portion, one end of described cantilever portion is connected with described lower die holder by die permanent seat, the other end of described cantilever portion is working end, described working end is provided with spherical, described spherical is provided with upper cavity die and lower cavity die up and down relatively, described upper die holder is provided with upper male mould, described lower die holder is provided with lower punch, described upper male mould is corresponding with described upper cavity die, described lower punch is corresponding with described lower cavity die, described lower die holder is respectively arranged with fixture block in the position of the left and right sides near described working end, described fixture block and described lower die holder removably connect.
Further, described fixture block comprises clamping section and two holding parts, two described holding parts are connected with the two ends up and down of described clamping section respectively, described clamping section is provided with the arc of indent, arc on the clamping section of two fixture blocks is oppositely arranged, the holding face being provided with arc on described holding part, the holding face on the holding part of each fixture block is arranged all in opposite directions.
When mounting spherical workpiece, spherical workpiece is covered in the working end of cantilever portion, then two fixture blocks are installed respectively, the arc on the clamping section of two fixture blocks is made to be stuck in spherical workpiece, owing to arc is arc, all sphere can be played fastening effect in all directions, therefore the design of fixture block takes full advantage of the features of shape of spherical workpiece itself, the effect of clamping spherical workpiece can be played well, and auxiliary fixing effect now can be played in the holding face of holding part, both match and make spherical workpiece clamping more firm. In addition, holding part with arc holding face can in punch process to spherical workpiece provide holding power, namely the holding part being positioned at top provides the holding power preventing spherical workpiece from moving up, the holding part being positioned at lower section provides the holding power preventing spherical workpiece from moving down, when making bidirectional punching, spherical workpiece is more firm, thus prevent spherical workpiece from producing bigger distortion when punching, ensure that the quality of product.
Further, described lower die holder is provided with cannelure in the position near described fixture block. By arranging cannelure, the edge of spherical workpiece can be played the tightly spacing effect of card so that spherical workpiece is fixing more firm, is particularly suitable for being processed with the spherical workpiece of flange.
Further, the upper end of described cantilever portion is provided with punch guide plate, described punch guide plate is provided with for the through hole that described upper male mould passes through.
By punch guide plate, it is possible to play guide effect when upper male mould moves downward and carries out punching, prevent the motion of upper male mould from producing skew and causing punching crooked, affect the precision of punching and the quality of product.
Further, described punch guide plate is provided with steady brace, described upper die holder is provided with the pin-and-hole corresponding with described steady brace.
By arranging steady brace on punch guide plate, it is possible to the motion of upper die holder is played the effect of location, thus the motion ensureing upper male mould is accurate.
Further, the lower section of described cantilever portion is provided with stopper, and described stopper is sheathed on outside described die permanent seat.
Cantilever portion can be played the effect supporting restriction by stopper. On the one hand, being the cantilever outwards stretched out due to cantilever portion, in punch process, it is possible under the effect of surging force, cantilever portion can be produced bigger moment of flexure, life-time service then can cause cantilever portion to bend, thus affects working accuracy, and even normal punching uses. The setting of stopper can play the effect of support, substantially reduces moment of flexure suffered by cantilever portion. On the other hand, in punch process, cantilever portion also can be played the effect of restriction movement by stopper, makes the position of cantilever portion fixed, prevents distortion.
Further, the lower section of described lower punch is provided with cushion plate, and described lower die holder is provided with dashpot, and described cushion plate is installed in described dashpot.
In punch process, lower punch at the moved downward of cantilever portion, by the buffering of cushion plate, it is possible to prevent lower punch bending or fracture when punching.
Further, described cushion plate is rubber pad. Cushion plate adopts rubber to make, and material is easy to obtain, and is convenient to processing and installs, and it is better to cushion effect.
Further, described cantilever portion is provided with screw thread near one end of described die permanent seat, and described die permanent seat and described cantilever portion are fixed by nut.
Employing nut is fixed, it is possible to by fixing to die permanent seat and cantilever portion more firm.
Further, described lower die holder and the fixing portion of described die are slidably connected.
The fixing portion of die can descend die holder to slide up and down relatively, thus drives cantilever portion to move up and down, and ensure that normally carrying out of bidirectional punching.
The useful effect of the sphere cantilever type bidirectional punching die that the utility model provides is: this sphere cantilever type bidirectional punching die is in use, spherical workpiece is covered on the working end of cantilever portion, and by fixture block, spherical workpiece is fixed in cantilever portion, by upper die holder towards lower die holder punching press, upper male mould is made to stretch in upper cavity die, lower punch stretches in lower cavity die, thus in spherical workpiece position opposing upper and lower punching, it is achieved the punching while of two-way.
Therefore, the utility model provide sphere cantilever type bidirectional punching die can spherical workpiece is two-way while punching, process relative hole, without the need to carrying out punching one by one, improve working (machining) efficiency, and aligning accuracy when punching precision is manufactured by upper cavity die and lower cavity die is determined, so punching precision is more prone to ensure, compared with existing punching mode, substantially increase punching precision, ensure that the right alignment in gone out hole, in addition, fixture block is adopted spherical workpiece to be fixed, ensure that when punching, slippage can not be there is in spherical workpiece itself, thus the distortion of spherical workpiece in punch process is reduced, ensure that product processing quality.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, it is briefly described to the accompanying drawing used required in embodiment below, it is to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore should not be counted as is the restriction to scope, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
The one-piece construction schematic diagram of the sphere cantilever type bidirectional punching die that Fig. 1 provides for the utility model embodiment;
The structural representation of the fixture block of the sphere cantilever type bidirectional punching die that Fig. 2 provides for the utility model embodiment.
Figure acceptance of the bid note is respectively:
Lower die holder 101; Cantilever portion 102; Die permanent seat 103; Upper cavity die 104; Lower cavity die 105; Lower punch 106; Fixture block 107; Clamping section 108; Holding part 109; Cannelure 110; Punch guide plate 111; Steady brace 112; Stopper 113; Cushion plate 114;
Upper die holder 201; Upper male mould 202.
Embodiment
Piercing die is that a kind of profile that edge is closed on blank or sheet material isolates the punch die that waste material obtains band orifice. To when carrying out punching processing with the product in relative hole on sphere, owing to sphere is curved surface, being very easy to make workpiece produce distortion during punching, the product processing quality finally obtained is difficult to ensure. Existing technology is generally utilize unidirectional piercing die to carry out punching one by one, although workpiece does not produce distortion when this kind of method can ensure punching preferably, but working (machining) efficiency is lower, need to carry out twice clamping, twice punch operation, and the right alignment in go out two holes is difficult to ensure, parts quality is still not ideal enough.
Given this, planner of the present utility model is by long-term exploration and trial, and experiment repeatedly and effort, constantly reform and innovation, devise a kind of sphere cantilever type bidirectional punching die, can spherical workpiece is two-way while punching, process relative hole, without the need to carrying out punching one by one, improve working (machining) efficiency, and aligning accuracy when punching precision is manufactured by upper cavity die 104 and lower cavity die 105 is determined, so punching precision is more prone to ensure, compared with existing punching mode, substantially increase punching precision, ensure that the right alignment in gone out hole, in addition, fixture block 107 is adopted spherical workpiece to be fixed, ensure that when punching, slippage can not be there is in spherical workpiece itself, thus the distortion of spherical workpiece in punch process is reduced, ensure that product processing quality.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments. The assembly of the utility model embodiment usually describing in accompanying drawing herein and illustrating can be arranged with various different configuration and design. Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but only represent selected embodiment of the present utility model. Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment
Refer to Fig. 1 and Fig. 2, present embodiments provide a kind of sphere cantilever type bidirectional punching die, for spherical workpiece being carried out the two-way punching processing to punching. this sphere cantilever type bidirectional punching die comprises lower die holder 101 and upper die holder 201, lower die holder 101 is provided with cantilever portion 102, one end of cantilever portion 102 is connected with lower die holder 101 by die permanent seat 103, the other end of cantilever portion 102 is working end, working end is provided with spherical, spherical is provided with upper cavity die 104 and lower cavity die 105 up and down relatively, upper die holder 201 is provided with upper male mould 202, lower die holder 101 is provided with lower punch 106, upper male mould 202 is corresponding with upper cavity die 104, lower punch 106 and lower cavity die 105 are corresponding, lower die holder 101 is respectively arranged with fixture block 107 in the position of the left and right sides near working end, fixture block 107 and lower die holder 101 removably connect.
This sphere cantilever type bidirectional punching die is in use, spherical workpiece is covered on the working end of cantilever portion 102, and by fixture block 107, spherical workpiece is fixed in cantilever portion 102, by upper die holder 201 towards the punching press of lower die holder 101, upper male mould 202 is made to stretch in upper cavity die 104, lower punch 106 stretches in lower cavity die 105, thus in spherical workpiece position opposing upper and lower punching, it is achieved the punching while of two-way.
Therefore, the present embodiment provide sphere cantilever type bidirectional punching die can spherical workpiece is two-way while punching, process relative hole, without the need to carrying out punching one by one, improve working (machining) efficiency, and aligning accuracy when punching precision is manufactured by upper cavity die 104 and lower cavity die 105 is determined, so punching precision is more prone to ensure, compared with existing punching mode, substantially increase punching precision, ensure that the right alignment in gone out hole, in addition, fixture block 107 is adopted spherical workpiece to be fixed, ensure that when punching, slippage can not be there is in spherical workpiece itself, thus the distortion of spherical workpiece in punch process is reduced, ensure that product processing quality.
Further, refer to Fig. 1 and Fig. 2, in the present embodiment, fixture block 107 comprises clamping section 108 and two holding parts 109, two holding parts 109 are connected with the two ends up and down of clamping section 108 respectively, and clamping section 108 is provided with the arc of indent, and the arc on the clamping section 108 of two fixture blocks 107 is oppositely arranged, the holding face being provided with arc on holding part 109, the holding face on the holding part 109 of each fixture block 107 is arranged all in opposite directions.
When mounting spherical workpiece, spherical workpiece is covered in the working end of cantilever portion 102, then two fixture blocks 107 are installed respectively, the arc on the clamping section 108 of two fixture blocks 107 is made to be stuck in spherical workpiece, owing to arc is arc, all sphere can be played fastening effect in all directions, therefore the design of fixture block 107 takes full advantage of the features of shape of spherical workpiece itself, the effect of clamping spherical workpiece can be played well, and auxiliary fixing effect now can be played in the holding face of holding part 109, both match and make spherical workpiece clamping more firm. in addition, holding part 109 with arc holding face can in punch process to spherical workpiece provide holding power, namely the holding part 109 being positioned at top provides the holding power preventing spherical workpiece from moving up, the holding part 109 being positioned at lower section provides the holding power preventing spherical workpiece from moving down, when making bidirectional punching, spherical workpiece is more firm, thus prevent spherical workpiece from producing bigger distortion when punching, ensure that the quality of product.
Referring to Fig. 1 and Fig. 2, lower die holder 101 is provided with cannelure 110 in the position near fixture block 107. By arranging cannelure 110, the edge of spherical workpiece can be played the tightly spacing effect of card so that spherical workpiece is fixing more firm, is particularly suitable for being processed with the spherical workpiece of flange.
Referring to Fig. 1, the upper end of cantilever portion 102 is provided with punch guide plate 111, punch guide plate 111 is provided with for the through hole that upper male mould 202 passes through.
By punch guide plate 111, it is possible to play guide effect when upper male mould 202 moves downward and carries out punching, prevent the motion of upper male mould 202 from producing skew and causing punching crooked, affect the precision of punching and the quality of product.
Refer to Fig. 1, punch guide plate 111 is provided with steady brace 112, upper die holder 201 is provided with the pin-and-hole corresponding with steady brace 112. By arranging steady brace 112 on punch guide plate 111, it is possible to the motion of upper die holder 201 is played the effect of location, thus the motion ensureing upper male mould 202 is accurate.
Referring to Fig. 1, the lower section of cantilever portion 102 is provided with stopper 113, and stopper 113 is sheathed on outside die permanent seat 103. Cantilever portion 102 can be played the effect supporting restriction by stopper 113. On the one hand, owing to cantilever portion 102 is the cantilever outwards stretched out, in punch process, under the effect of surging force, cantilever portion 102 may be produced bigger moment of flexure, life-time service then can cause cantilever portion 102 to bend, thus affects working accuracy, and even normal punching uses. The setting of stopper 113 can play the effect of support, substantially reduces moment of flexure suffered by cantilever portion 102. On the other hand, in punch process, cantilever portion 102 also can be played the effect of restriction movement by stopper 113, makes the position of cantilever portion 102 fixed, prevents distortion.
Referring to Fig. 1, the lower section of lower punch 106 is provided with cushion plate 114, and lower die holder 101 is provided with dashpot, and cushion plate 114 is installed in dashpot.
In punch process, lower punch 106 at the moved downward of cantilever portion 102, by the buffering of cushion plate 114, it is possible to prevent lower punch 106 bending or fracture when punching.
Cushion plate 114 is rubber pad. Cushion plate 114 adopts rubber to make, and material is easy to obtain, and is convenient to processing and installs, and it is better to cushion effect.
Cantilever portion 102 is provided with screw thread near one end of die permanent seat 103, and die permanent seat 103 and cantilever portion 102 are fixed by nut. Employing nut is fixed, it is possible to by fixing more firm to die permanent seat 103 and cantilever portion 102.
Lower die holder 101 is slidably connected with the fixing portion of die. The fixing portion of die can descend die holder 101 to slide up and down relatively, thus drives cantilever portion 102 to move up and down, and ensure that normally carrying out of bidirectional punching.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", it is based on orientation shown in the drawings or position relation that the orientation of the instruction such as " counterclockwise " or position are closed, it is only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the equipment referred to or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " the 2nd " are only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technology feature. Thus, be limited with " first ", the feature of " the 2nd " can express or implicit comprise one or more these features. In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, such as, it is possible to be fixedly connected with, it is also possible to be removably connect, or integral; Can be mechanically connected, it is also possible to be electrical connection; Can be directly be connected, it is also possible to be indirectly connected by intermediary, it is possible to be the connection of two element internals or the interaction relationship of two elements. For the ordinary skill in the art, it is possible to understand the concrete implication of above-mentioned term in the utility model according to particular case.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, it is also possible to comprise the first and second features be not directly contact but by the other characterisation contact between them. And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature. Fisrt feature second feature " under ", " lower section " and " below " comprise fisrt feature immediately below second feature and tiltedly lower section, or only represent that fisrt feature level height is less than second feature.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations. All within spirit of the present utility model and principle, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a sphere cantilever type bidirectional punching die, it is characterized in that, comprise lower die holder and upper die holder, described lower die holder is provided with cantilever portion, one end of described cantilever portion is connected with described lower die holder by die permanent seat, the other end of described cantilever portion is working end, described working end is provided with spherical, described spherical is provided with upper cavity die and lower cavity die up and down relatively, described upper die holder is provided with upper male mould, described lower die holder is provided with lower punch, described upper male mould is corresponding with described upper cavity die, described lower punch is corresponding with described lower cavity die, described lower die holder is respectively arranged with fixture block in the position of the left and right sides near described working end, described fixture block and described lower die holder removably connect.
2. sphere cantilever type bidirectional punching die according to claim 1, it is characterized in that, described fixture block comprises clamping section and two holding parts, two described holding parts are connected with the two ends up and down of described clamping section respectively, described clamping section is provided with the arc of indent, arc on the clamping section of two fixture blocks is oppositely arranged, and described holding part is provided with the holding face of arc, and the holding face on the holding part of each fixture block is arranged all in opposite directions.
3. sphere cantilever type bidirectional punching die according to claim 2, it is characterised in that, described lower die holder is provided with cannelure in the position near described fixture block.
4. sphere cantilever type bidirectional punching die according to claim 1, it is characterised in that, the upper end of described cantilever portion is provided with punch guide plate, described punch guide plate is provided with for the through hole that described upper male mould passes through.
5. sphere cantilever type bidirectional punching die according to claim 4, it is characterised in that, described punch guide plate is provided with steady brace, described upper die holder is provided with the pin-and-hole corresponding with described steady brace.
6. sphere cantilever type bidirectional punching die according to claim 1, it is characterised in that, the lower section of described cantilever portion is provided with stopper, and described stopper is sheathed on outside described die permanent seat.
7. sphere cantilever type bidirectional punching die according to claim 1, it is characterised in that, the lower section of described lower punch is provided with cushion plate, and described lower die holder is provided with dashpot, and described cushion plate is installed in described dashpot.
8. sphere cantilever type bidirectional punching die according to claim 7, it is characterised in that, described cushion plate is rubber pad.
9. sphere cantilever type bidirectional punching die according to claim 1, it is characterised in that, described cantilever portion is provided with screw thread near one end of described die permanent seat, and described die permanent seat and described cantilever portion are fixed by nut.
10. sphere cantilever type bidirectional punching die according to claim 9, it is characterised in that, described lower die holder and the fixing portion of described die are slidably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520914924.2U CN205270548U (en) | 2015-11-16 | 2015-11-16 | Two -way punching die of sphere cantilever type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520914924.2U CN205270548U (en) | 2015-11-16 | 2015-11-16 | Two -way punching die of sphere cantilever type |
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| Publication Number | Publication Date |
|---|---|
| CN205270548U true CN205270548U (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520914924.2U Expired - Fee Related CN205270548U (en) | 2015-11-16 | 2015-11-16 | Two -way punching die of sphere cantilever type |
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| CN (1) | CN205270548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215149A (en) * | 2015-11-16 | 2016-01-06 | 重庆持恒模具有限公司 | Sphere cantilever type bidirectional punching die |
-
2015
- 2015-11-16 CN CN201520914924.2U patent/CN205270548U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215149A (en) * | 2015-11-16 | 2016-01-06 | 重庆持恒模具有限公司 | Sphere cantilever type bidirectional punching die |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20211116 |