CN102335690B - Stamping and shearing mould - Google Patents
Stamping and shearing mould Download PDFInfo
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- CN102335690B CN102335690B CN 201110348202 CN201110348202A CN102335690B CN 102335690 B CN102335690 B CN 102335690B CN 201110348202 CN201110348202 CN 201110348202 CN 201110348202 A CN201110348202 A CN 201110348202A CN 102335690 B CN102335690 B CN 102335690B
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Abstract
The invention provides a stamping and shearing mould, which comprises an upper mould component, a lower mould component, a first unloading force guiding block (9) and a second unloading force guiding block (10), wherein the upper mould component comprises an upper mould frame (1), and an upper mould (2) and a guiding sleeve (12) which are mounted on the upper mould frame (1); the lower mould component comprises a lower mould frame (11), and a lower mould (4) and a guiding rod (13) which are mounted on the lower mould frame (11); the first unloading force guiding block (9) is fixedly mounted on the lower side of the upper mould frame (1) and comprises a first force-bearing surface which is longitudinally arranged; the second unloading force guiding block (10) is fixedly mounted on the upper side of the lower mould frame (11) and comprises a second force-bearing surface which is longitudinally arranged; and the first unloading force guiding block (9) and the second unloading force guiding block (10) are used for bearing a stamping and shearing eccentric force through the contact of the first force-bearing surface (91) and the second force-bearing surface (101). The stamping and shearing mould according to the invention is used for overcoming the stamping and shearing eccentric force generated during a boundary-value-free stamping and shearing process, realizing the boundary-value-free stamping and shearing, and promoting the use ratio of materials.
Description
Technical field
The present invention relates to the machined field, more specifically, relate to a kind of punching and shearing die.
Background technology
Punching discharge schematic diagram when prior art Plays joint shrouding part leaves edge-lapped value has been shown among Fig. 1, in order to obtain the long plate part of b ' that is for a ' is wide, when discharge, to leave at the plate part periphery for the treatment of punching the punching scrap (bridge) c ' (punching technique clout) of 6～8mm, to guarantee that mould is stressed evenly in the plate part punching process, the punching process can smooth and easyly be carried out, and the ordinary life of punching and shearing die is protected.
Fig. 2 to Fig. 6 shows the structure of punching and shearing die in the prior art, top mold frame 1 ' downside is fixedly installed patrix 2 ' and guide pin bushing and binder rubber 3 ', lower mold holder 11 ' upside correspondingly is fixedly installed the counterdie 4 ' that cooperates with patrix 2 ' and the guide rod that cooperates with guide pin bushing, also is fixedly installed material supporting rack 5 ', location backing pin 6 ' and safety catch 7 ' on lower mold holder 11 '.During punching, the billot 20 ' for the treatment of punching is placed on the material supporting rack 5 ', take the rib of material supporting rack 5 ' and location backing pin 6 ' as benchmark to mould in friction feeding carry out punching.
Because the punching billot leaves the technique edge-lapped value, so stock utilization is not high; And the applicable variety of mould is single, thereby the corresponding increase of punching and shearing die cost of manufacture is not suitable for processing in enormous quantities.
Summary of the invention
The object of the invention is to provide a kind of can carry out punching and shearing die without the edge-lapped value punching to cut deal.
The invention provides a kind of punching and shearing die, comprising: upper die component comprises top mold frame, is installed on patrix and the guide pin bushing of described top mold frame; Lower membrane module comprises lower mold holder, is installed on the counterdie that cooperates with described patrix of described lower mold holder and the guide rod that cooperates with described guide pin bushing; Described punching and shearing die also comprises: first unloads the power guide block, is installed on regularly the downside of described top mold frame, and it comprises the first load-carrying surface of vertical setting; Second unloads the power guide block, is installed on regularly the upside of described lower mold holder, and it comprises the second load-carrying surface of vertical setting; Described first unloads power guide block and described second unloads the power guide block and bears the punching eccentric force by described the first load-carrying surface with contacting of described the second load-carrying surface.
Further, described patrix is punch, and described counterdie is die, and described the first load-carrying surface and described the second load-carrying surface are the plane.
Further, described punching and shearing die also comprises the locating piece that is fixedly arranged at described lower mold holder, and it is positioned at the opposite side that the punching material is sent into side, and described locating piece comprises locating surface, and described locating surface aligns with the inner edge of described counterdie.
Further, described first unloads the power guide block comprises from the lower edge of described the first load-carrying surface to direction and the first downward-sloping inclined plane away from described the second load-carrying surface, and described second unloads the power guide block comprises that upper limb from described the second load-carrying surface is to direction and acclivitous the second inclined plane away from described the first load-carrying surface.
Further, described first unloads the power guide block comprises direction from the upper limb of described the first load-carrying surface to described the second load-carrying surface and acclivitous the 3rd inclined plane from, and described second unloads the power guide block comprises direction from the lower edge of described the second load-carrying surface to described the first load-carrying surface and the 4th downward-sloping inclined plane from.
Further, described the first inclined plane, the second inclined plane, the 3rd inclined plane and the 4th inclined plane are set to be parallel to each other.
Further, described first unload power guide block and described second to unload the structure of power guide block identical.
Further, described first unload power guide block and described second and unload the power guide block and be fixedly connected with described lower mold holder with described top mold frame by bolt respectively.
Further, described patrix and/or counterdie comprise: insert, comprise the edge of a knife; Cushion block is fixedly installed on described top mold frame and/or the described lower mold holder, and described inserting removably is connected with described cushion block.
According to punching and shearing die of the present invention, unload the punching eccentric force that produces when the power guide block has overcome without the edge-lapped value punching by setting, therefore realized that stock utilization is high without the edge-lapped value punching.Further, the present invention is because having adopted embedded structure to patrix and/or counterdie, the highly versatile of punching and shearing die, the service life of having improved punching and shearing die.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the punching discharge schematic diagram of prior art standard knot shrouding part when leaving edge-lapped value;
Fig. 2 is the upper die component structural representation of the punching and shearing die of prior art;
Fig. 3 is the side-looking structural representation according to Fig. 2;
Fig. 4 is the counterdie modular construction schematic diagram of the punching and shearing die of prior art;
Fig. 5 is the side-looking structural representation according to Fig. 2;
Fig. 6 is that the K ' of Fig. 5 is to structural representation;
Fig. 7 is the punching discharge schematic diagram of standard knot shrouding part according to the present invention during without edge-lapped value;
Fig. 8 is the upper die component structural representation according to punching and shearing die of the present invention;
Fig. 9 is the side-looking structural representation according to Fig. 8;
Figure 10 is the lower membrane module combining structure schematic diagram according to punching and shearing die of the present invention;
Figure 11 is the side-looking structural representation of Figure 10;
Figure 12 is that K according to Figure 11 is to structural representation;
Figure 13 is the power of the unloading guide block equilibrium principle simplified schematic diagram according to punching and shearing die of the present invention;
Figure 14 is the structural representation according to the power of the unloading guide block of the first embodiment of punching and shearing die of the present invention;
Figure 15 is the side-looking structural representation according to Figure 14;
Figure 16 is the structural representation according to the power of the unloading guide block of the second embodiment of punching and shearing die of the present invention;
Figure 17 is the side-looking structural representation according to Figure 16;
Figure 18 is the structural representation according to the power of the unloading guide block of the 3rd embodiment of punching and shearing die of the present invention;
Figure 19 is the side-looking structural representation according to Figure 18.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Fig. 7 shows standard knot shrouding part without the punching discharge schematic diagram of edge-lapped value.Among the figure, part to be processed is for a is wide to add the sideline that thick line is the each punching of punching and shearing die by the plate part with fillet of b for long.Because of the side line length of part every limit punching different, so mould can produce an eccentric force in the punching process.
The punching eccentric force that produces in the punching process in order to overcome without the edge-lapped value punching, shown in Fig. 8 to 12, punching and shearing die of the present invention comprises: upper die component, it comprises top mold frame 1, is installed on patrix 2 and the guide pin bushing 12 of top mold frame 1; Lower membrane module comprises lower mold holder 11, is installed on the counterdie 4 that cooperates with patrix 2 of lower mold holder 11 and the guide rod 13 that cooperates with guide pin bushing; Punching and shearing die also comprises: first unloads power guide block 9, is installed on regularly the downside of top mold frame 1, and it comprises the first load-carrying surface of vertical setting; Second unloads power guide block 10, is installed on regularly the upside of lower mold holder 11, and it comprises the second load-carrying surface of vertical setting; First unloads power guide block 9 and second unloads power guide block 10 and bears the punching eccentric force by the first load-carrying surface 91 with contacting of the second load-carrying surface 101.
In a preferred embodiment, punching and shearing die also comprises the locating piece 6 that is fixedly arranged at lower mold holder 11, and it is positioned at the opposite side that the punching material is sent into side, and locating piece 6 comprises locating surface, and locating surface aligns with the inner edge of counterdie 4.The effect that locating piece is set is to control the distance that material stretches into punching and shearing die, guarantees that better realization is without the punching discharge of edge-lapped value.
In an embodiment of the present invention, patrix 2 is punch, and counterdie 4 is die.In the present embodiment, the first load-carrying surface 91 and the second load-carrying surface 101 are the plane.But those skilled in the art will envision that, adopt such as the surface configuration of other shapes such as arcwall face as the first load-carrying surface 91 and the second load-carrying surface 101, also can realize purpose of the present invention.
Wherein, the first quantity of unloading power guide block 9 is for can be one or more, and it is identical that the second quantity and first of unloading power guide block 10 is unloaded power guide block 9.As illustrated in fig. 12, in specific embodiments of the invention, first unloads power guide block 9 and second unloads power guide block 10 and is two, is arranged at respectively the opposite side of feeding side, the position that comparatively approaches with guide pillar 13.Arranging like this can form protection to guide pillar 13 better.
The below will be take Fig. 8 to punching and shearing die shown in Figure 12 as example, illustrates that first unloads power guide block 9 and second and unload the principle that power guide block 10 overcomes the punching eccentric force.The punching material 20 of bar shaped is placed on the material supporting rack 5, take the rib 51 of material supporting rack 5 and locating piece 6 as benchmark to punching and shearing die in friction feeding carry out punching.As front, because the technique scrap (bridge) is not set, in the punching process, can produce a punching eccentric force.As shown in figure 13; punching and shearing die is in the process of punching part; punch can produce a punching eccentric force n1 left; die can produce a punching eccentric force n2 to the right; if do not take any measure; under the effect of these two power, can make the guide pillar 13 of mould produce flexural deformations, and first the unloading power guide block 9 and second and unload power guide block 10 and just played two unbalanced problems of relative edge's punching shear of balance of setting of the present invention.Particularly; punching eccentric force n1 left passes to top mold frame 1 by punch; and pass to first and unload power guide block 9; punching eccentric force n2 to the right passes to lower mold holder 11 by die; and pass to second and unload power guide block 10; second unloads power guide block 10 unloads power guide block 9 by its second load-carrying surface 101 and first contacting of the first load-carrying surface 91 unloads the power guide block to first and forms push and block; punching eccentric force n1 and n2 have been born; and prevent from producing displacement because of the punching eccentric force between top mold frame 1 and the lower mold holder 11; thereby can prevent that guide pillar 13 from because being subjected to the punching eccentric force crooked, reaching the purpose of protection mould.
As shown in figure 13, preferably, first unloads power guide block 9 comprises from the lower edge of the first load-carrying surface 91 to direction and the first downward-sloping inclined plane away from the second load-carrying surface 101, and second unloads power guide block 10 comprises that upper limb from the second load-carrying surface 101 is to direction and acclivitous the second inclined plane away from the first load-carrying surface 91.
In addition, can also make first to unload power guide block 9 and comprise direction from the upper limb of the first load-carrying surface 91 to the second load-carrying surface 101 and acclivitous the 3rd inclined plane from, second unloads power guide block 10 comprises direction from the lower edge of the second load-carrying surface 101 to the first load-carrying surface 91 and the 4th downward-sloping inclined plane from.
More preferably be that first to fourth inclined plane is set to be parallel to each other.
Being provided with of above first to fourth inclined plane is beneficial to and prevents that first unloads power guide block 9 and second and unload power guide block 10 and damage because of bump.
First unload that power guide block 9 and second unloads power guide block 10 can adopt identical structure.But such setting simplified design and process also are convenient to the assembling of mould.
Below illustrate the structure of unloading the power guide block.The power guide block of unloading comprises load section and the mount pad that is wholely set with load section, and wherein load section comprises load-carrying surface and corresponding inclined plane, and mount pad comprises bolt hole and/or screwed hole.To unload the power guide block by bolt and link together with corresponding mould bases, can unload easily the dismounting of power guide block.
Figure 14 to Figure 15 shows the structure of the power of the unloading guide block of first embodiment of the invention.The load section of the power of the unloading guide block of this first embodiment is arranged at a side of mount pad, and two screwed holes that arrange below load section are blind hole, and two bolts hole that do not have up to arrange on the mount pad of load section are through hole.The cross section of load section is rectangle, and load-carrying surface is positioned at rectangular minor face one side, to save material under the prerequisite that can bear larger punching eccentric force.
Figure 16 to Figure 17 shows the structure of the power of the unloading guide block of second embodiment of the invention.Its mount pad and load section have roughly the same cross section, are provided with four bottom surfaces from mount pad and wear through hole to the end face of load section as bolt hole, will unload being connected between power guide block and the corresponding mould bases by bolt.
Figure 18 to Figure 19 shows the structure of the power of the unloading guide block of third embodiment of the invention.The cross section of its load section is less than the cross section of mount pad, and load section is in the centre position of mount pad, and four through holes as bolt hole are distributed on the mount pad of load section both sides, will unload being connected between power guide block and the corresponding mould bases by bolt.Identical with the power of the unloading guide block of the first embodiment, the cross section of load section is rectangle, and load-carrying surface is positioned at rectangular minor face one side.
More preferred embodiment such as Figure 10 are to shown in Figure 11 for one of the present invention, and counterdie 4 comprises: counterdie inserts 41, comprises the edge of a knife; Counterdie cushion block 42 is fixedly installed on the lower mold holder 11, and counterdie is inserted and 41 is bumped in the counterdie cushion block 42.
Because part is that multistage carries out punching, the edge of a knife relative wear of mould is larger, if counterdie adopts the embedded structure of the present embodiment, only needs to change counterdie and insert and 41 get final product after the edge of a knife of counterdie 4 damages.And embodiments of the invention only need to change patrix 2 and counterdie inserts 41 when the close standard knot shrouding of punching size, and the position of adjusting material supporting rack 5 and safety catch 7 gets final product, and remainder all can be general.
Certainly, patrix 2 also can be set to embedded structure, comprises that patrix inserts and the patrix cushion block, and patrix is inserted removably be fixedly connected with the patrix cushion block, such as connecting by pin or bolt etc.
The mould of the present embodiment also comprises safety catch 7, is arranged on a side relative with the rib 51 of material supporting rack 5, and larger lateral displacement occurs when safety catch 7 prevents feeding.Also be provided with binder rubber 3 in top mold frame 1, material compressed the location with the moment before carrying out punching.
Punching and shearing die of the present invention is applicable to structural member shrouding in enormous quantities, strengthens the punching of the medium-thick plates such as gusset, gusset.For example go for column crane mast section asymmetric, without edge-lapped value, large batch of in the punching of thick shrouding.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect:
The punching eccentric force that produces when the power guide block comes the balance punching and shearing die to carry out the punching operation is unloaded in utilization, thereby has realized asymmetric punching.
Because this mould to the punching of standard knot shrouding the time, need not to reserve the punching edge-lapped value, the utilization rate of punching material is high.For example, make the standard knot shrouding part shown in the embodiment, can make stock utilization improve about 15%, by at present 6000 calculating of daily output shrouding, but every day about 630 kilograms of economical with materials.
Punching and shearing die highly versatile, life-span are high, during for the close standard knot shrouding of punching size, only need to change upper die and lower die and insert and get final product, and remainder all can be general, install and demolition and maintenance convenient, whole service life raising about 40%.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. punching and shearing die comprises:
Upper die component comprises top mold frame (1), is installed on patrix (2) and the guide pin bushing (12) of described top mold frame (1);
Lower membrane module comprises lower mold holder (11), is installed on the counterdie (4) that cooperates with described patrix (2) of described lower mold holder (11) and the guide rod (13) that cooperates with described guide pin bushing (12);
It is characterized in that, described punching and shearing die also comprises:
First unloads power guide block (9), is installed on regularly the downside of described top mold frame (1), and it comprises first load-carrying surface (91) of vertical setting;
Second unloads power guide block (10), is installed on regularly the upside of described lower mold holder (11), and it comprises second load-carrying surface (101) of vertical setting;
Described first unloads power guide block (9) and described second unloads power guide block (10) and bears the punching eccentric force by described the first load-carrying surface (91) with contacting of described the second load-carrying surface (101).
2. punching and shearing die according to claim 1 is characterized in that, described patrix (2) is punch, and described counterdie (4) is die, and described the first load-carrying surface (91) is the plane with described the second load-carrying surface (101).
3. punching and shearing die according to claim 2, it is characterized in that, described punching and shearing die also comprises the locating piece (6) that is fixedly arranged at described lower mold holder (11), it is positioned at the opposite side that the punching material is sent into side, described locating piece (6) comprises locating surface, and described locating surface aligns with the inner edge of described counterdie (4).
4. punching and shearing die according to claim 3, it is characterized in that, described first unloads power guide block (9) comprises from the lower edge of described the first load-carrying surface (91) to direction and the first downward-sloping inclined plane away from described the second load-carrying surface (101), and described second unloads power guide block (10) comprises that upper limb from described the second load-carrying surface (101) is to direction and acclivitous the second inclined plane away from described the first load-carrying surface (91).
5. punching and shearing die according to claim 4, it is characterized in that, described first unloads power guide block (9) comprises direction from the upper limb of described the first load-carrying surface (91) to described the second load-carrying surface (101) and acclivitous the 3rd inclined plane from, and described second unloads power guide block (10) comprises direction from the lower edge of described the second load-carrying surface (101) to described the first load-carrying surface (91) and the 4th downward-sloping inclined plane from.
6. punching and shearing die according to claim 5 is characterized in that, described the first inclined plane, the second inclined plane, the 3rd inclined plane and the 4th inclined plane are set to be parallel to each other.
7. punching and shearing die according to claim 5 is characterized in that, described first unloads power guide block (9) and described second, and to unload the structure of power guide block (10) identical.
8. punching and shearing die according to claim 1 is characterized in that, described first unloads power guide block (9) and described second unloads power guide block (10) and be fixedly connected with described lower mold holder (11) with described top mold frame (1) by bolt respectively.
9. each described punching and shearing die in 8 according to claim 1 is characterized in that, described patrix (2) and/or counterdie (4) comprising:
Insert, comprise the edge of a knife;
Cushion block is fixedly installed on described top mold frame (1) and/or the described lower mold holder (11), and described inserting removably is connected with described cushion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110348202 CN102335690B (en) | 2011-11-07 | 2011-11-07 | Stamping and shearing mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110348202 CN102335690B (en) | 2011-11-07 | 2011-11-07 | Stamping and shearing mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102335690A CN102335690A (en) | 2012-02-01 |
| CN102335690B true CN102335690B (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110348202 Active CN102335690B (en) | 2011-11-07 | 2011-11-07 | Stamping and shearing mould |
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| Country | Link |
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| CN (1) | CN102335690B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105290180B (en) * | 2014-07-01 | 2017-05-24 | 上汽通用五菱汽车股份有限公司 | Edge covering device based on self-discharging force |
| CN108097808A (en) * | 2017-12-18 | 2018-06-01 | 天津市北方高效石化设备制造有限公司 | Clamp plate stamping die |
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|---|---|---|---|---|
| CN86200161U (en) * | 1986-01-14 | 1987-03-25 | 吉林市日用化学工业公司 | Combined automatic shifting punching dies without lapping edge |
| CN2075114U (en) * | 1990-09-26 | 1991-04-17 | 姜以滁 | Motor piece punching die with positioning pin |
| CN2675291Y (en) * | 2003-10-30 | 2005-02-02 | 金瑞新材料科技股份有限公司 | Novel positioning combined punching & shearing mould |
| CN2693370Y (en) * | 2004-04-23 | 2005-04-20 | 河南新飞电器有限公司 | Second compacting invert punching die for refrigerator beam |
| CN201157864Y (en) * | 2007-12-27 | 2008-12-03 | 彩虹集团电子股份有限公司 | Blanking mould without blanking trimming |
| JP2009061504A (en) * | 2004-02-12 | 2009-03-26 | Kimata:Kk | Press die apparatus |
| JP2010110783A (en) * | 2008-11-06 | 2010-05-20 | Nisshin Kogyo Kk | Press die |
| WO2011058797A1 (en) * | 2009-11-13 | 2011-05-19 | サンテクス株式会社 | Device for forming thomson blade by punching |
-
2011
- 2011-11-07 CN CN 201110348202 patent/CN102335690B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200161U (en) * | 1986-01-14 | 1987-03-25 | 吉林市日用化学工业公司 | Combined automatic shifting punching dies without lapping edge |
| CN2075114U (en) * | 1990-09-26 | 1991-04-17 | 姜以滁 | Motor piece punching die with positioning pin |
| CN2675291Y (en) * | 2003-10-30 | 2005-02-02 | 金瑞新材料科技股份有限公司 | Novel positioning combined punching & shearing mould |
| JP2009061504A (en) * | 2004-02-12 | 2009-03-26 | Kimata:Kk | Press die apparatus |
| CN2693370Y (en) * | 2004-04-23 | 2005-04-20 | 河南新飞电器有限公司 | Second compacting invert punching die for refrigerator beam |
| CN201157864Y (en) * | 2007-12-27 | 2008-12-03 | 彩虹集团电子股份有限公司 | Blanking mould without blanking trimming |
| JP2010110783A (en) * | 2008-11-06 | 2010-05-20 | Nisshin Kogyo Kk | Press die |
| WO2011058797A1 (en) * | 2009-11-13 | 2011-05-19 | サンテクス株式会社 | Device for forming thomson blade by punching |
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| Publication number | Publication date |
|---|---|
| CN102335690A (en) | 2012-02-01 |
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Address after: 415106 Dingcheng City, Changde Province, the town of irrigation district ZOOMLION Creek Industrial Park Patentee after: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. Address before: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Patentee before: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. |
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Address after: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Patentee after: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. Address before: 415106 Dingcheng City, Changde Province, the town of irrigation district ZOOMLION Creek Industrial Park Patentee before: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. |
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