CN103056231B - Forming mould for self drilling screws - Google Patents
Forming mould for self drilling screws Download PDFInfo
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- CN103056231B CN103056231B CN201310020671.XA CN201310020671A CN103056231B CN 103056231 B CN103056231 B CN 103056231B CN 201310020671 A CN201310020671 A CN 201310020671A CN 103056231 B CN103056231 B CN 103056231B
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- caulking groove
- noumenon
- embedding part
- opening
- binding end
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Abstract
The invention discloses a forming mould for self drilling screws. The forming mould comprises a first body and a second body, the first body is connected with the second body through a connector, a mould cavity is arranged on the second body, and material hardnesss of the first body is less than that of the second body. A first embedding groove is arranged at a first combination end of the first body, a second embedding groove is arranged at a second combination end of the second body, a first clamping portion and a second clamping portion are arranged on the connector, the first clamping portion and the second clamping portion are respectively matched with the first embedding groove and the second embedding groove, and the first clamping portion is connected with the second clamping portion through a center portion. Preferentially, the first embedding groove and the second embedding are respectively arranged on lower middle portions of the first body and the second body. By the aid of the forming mould, deformation of a mosaic structure caused by press mould impact force can be effectively avoided, and the forming mould is not easy to wear under transverse press mould impact force.
Description
Technical field
The present invention relates to mould manufacturing field, particularly relate to the tommy bar tail mould that a kind of bi-material utilizing hardness different is made.
Background technology
The shaping of Self Drilling Screws is about divided into two parts, and a part is processed by thread rolling machine to twist out screw thread, end section then by special processing mold compression molding, the mould compression molding of shaping to be Self Drilling Screws end be two symmetries of wherein boring portion.The mould producing tommy bar tail adopts same material carbide alloy to make, so its financial cost is higher mostly.
Also have in prior art to reduce costs, die matrix and the brill shaping position of tail are processed with unlike material respectively, and then the method combined.As Chinese utility model patent description CN201132191Y discloses a kind of brill tail shaped screw mould, comprise die matrix, bore the shaping position of tail, boring the shaping position of tail can according to practicable design squarely, rectangle or irregular polygon, and die matrix welds together with the brill shaping position of tail.But there is the problem of welding difficulty in the brill tail shaped screw of this utility model, even if weld successfully, its service life is not long yet, can not meet Production requirement with mould.
Chinese utility model patent description CN2405680Y also discloses a kind of die for shaping screw on drill tail, comprises a die holder and a die; Utilize the concavo-convex blocking of die holder to install die, die can be set as multi-form molding port, is pushed against die is combined with die holder locate by screw.But this die for shaping screw on drill tail is in work runs, and the continuous stressed shock of die can cause fixed screw to loosen or wearing and tearing, and cause die to get loose, stability is also very poor, cannot meet Production requirement.
Summary of the invention
The object of the invention is for above-mentioned the deficiencies in the prior art, provide a kind of nonabradable tommy bar tail mould when bearing horizontal pressing mold impulsive force, this tommy bar tail mould is convenient for production, and Stability Analysis of Structures is reliable.
For achieving the above object, the technical scheme taked of the present invention is as follows.
A kind of tommy bar tail mould, comprise the first noumenon and the second body, described the first noumenon is connected by conjunction with described second body, described second body is provided with die cavity, and the material hardness of the first noumenon is less than the second body.
Further, described the first noumenon is made up of high-speed steel, and described second body is made up of wolfram steel.
Further, described second body is welded on described the first noumenon.
Further, described the first noumenon is provided with the first binding end, described first binding end is provided with the first caulking groove, described first caulking groove forms the first opening on the end face of described first binding end, described first caulking groove is provided with the first bottom surface relative to described first opening, and the width of described first bottom surface is greater than the width of described first opening;
Described second body is provided with the second binding end, described second binding end is positioned at the reverse side of forming ends, and coordinate with the end face of the first binding end, described forming ends top is provided with the die cavity boring tail for shaped screw, described second binding end is provided with the second caulking groove be equipped with described first caulking groove, described second caulking groove forms the second opening on the end face of described second binding end, described second caulking groove is provided with the second bottom surface relative to described second opening, the width of described second bottom surface is greater than the width of described second opening, described second A/F equals described first A/F,
Described conjunction is made up of the first embedding part and the second embedding part, and described first embedding part and affixed described first embedding part of described second embedding part and described second embedding part match with described first caulking groove and described second caulking groove respectively.
Further, described second caulking groove is arranged at the middle and lower part of the second binding end.
Further, described first caulking groove is vertical with the end face of the second binding end with described first binding end respectively with the center line of described second caulking groove.
Further, described second body is engaged with the first noumenon by two contact surfaces, forms right angle, the face that described second body does not contact with the first noumenon is provided with die cavity between described two contact surfaces;
The right angle of described second body is provided with the second caulking groove, and the right angle of described the first noumenon is provided with the first caulking groove;
Described first caulking groove forms the first opening in right angle, and described first caulking groove is provided with the first bottom surface relative to described first opening, and the width of described first bottom surface is greater than the width of described first opening;
Described second caulking groove forms the second opening in right angle, and described second caulking groove is provided with the second bottom surface relative to described second opening, and the width of described second bottom surface is greater than the width of described second opening, and described second A/F equals described first A/F;
Described conjunction is made up of the first embedding part and the second embedding part, described first embedding part and described second embedding part affixed, described first embedding part and described second embedding part match with described first caulking groove and described second caulking groove respectively.
Further, described the first noumenon is provided with the first binding end, and described first binding end is provided with the first caulking groove of C shape, and described first caulking groove forms the first opening on the end face of described first binding end; Described second body is provided with the second binding end, described second binding end is positioned at the reverse side of forming ends, and coordinate with the end face of the first binding end, described forming ends top is provided with the die cavity boring tail for shaped screw, described second binding end is provided with the second caulking groove be equipped with described first caulking groove, described second caulking groove is C shape, and described second caulking groove forms the second opening on the end face of described second binding end, and described second A/F equals described first A/F;
Described conjunction is made up of the first embedding part and the second embedding part, described first embedding part and described second embedding part affixed, described first embedding part and described second embedding part match with described first caulking groove and described second caulking groove respectively.
Further, described second caulking groove is arranged at the middle and lower part of the second binding end.
Further, described second body is engaged with the first noumenon by two contact surfaces, forms right angle, the face that described second body does not contact with the first noumenon is provided with die cavity between described two contact surfaces;
The right angle of described second body is provided with the second caulking groove, and the right angle of described the first noumenon is provided with the first caulking groove; Described first caulking groove and described second caulking groove are C shape;
Described first caulking groove forms the first opening in right angle, and described second caulking groove forms the second opening in right angle, and described second A/F equals described first A/F;
Described conjunction is made up of the first embedding part and the second embedding part, described first embedding part and described second embedding part affixed, described first embedding part and described second embedding part match with described first caulking groove and described second caulking groove respectively.
Owing to adopting above technical scheme, the invention has the beneficial effects as follows:
The first, tommy bar tail mould of the present invention is produced and easy to use, and manufacture craft is simple, when guarantee mould Production requirement, substantially reduces cost.
Second, materials different for two kinds of hardness is integrated with horizontal integration by tommy bar tail mould of the present invention, impulsive force concentrates on die cavity place, effectively can avoid the deformation of the mosaic texture caused because of pressing mold impulsive force, in addition, horizontal mosaic texture is arranged on middle and lower part and further can avoids producing because of the active force at die cavity place the deformation of mosaic texture and cause damaging, and namely it is not easy to wear when bearing horizontal pressing mold impulsive force, and structure is reliable and stable.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the stereochemical structure decomposing schematic representation of the embodiment of the present invention 1.
Fig. 3 is the perspective view of the embodiment of the present invention 2.
Fig. 4 is the overall structure schematic diagram of the embodiment of the present invention 3.
Fig. 5 is the stereochemical structure decomposing schematic representation of the embodiment of the present invention 3.
Fig. 6 is the perspective view of the embodiment of the present invention 4.
Detailed description of the invention
For fully disclosed object, below with reference to drawings and Examples, the present invention is described in further details.Should be appreciated that the specific embodiment of the following stated is only for explaining the present invention, is not intended to limit protection scope of the present invention.
Fig. 1 and Fig. 2 shows the first embodiment of tommy bar tail mould of the present invention.As shown in Figure 1, this tommy bar tail mould comprises the first noumenon 102 and the second body 103, and the first noumenon 102 is connected by conjunction 101 with the second body 103.
The first noumenon 102 can be made up of high-speed steel, and the second body 103 can be made up of wolfram steel.In order to adapt to some higher tonnage needs, also the second body 103 can be welded on the intensity the second body 102 increasing mould.
Fig. 2 is the stereochemical structure decomposing schematic representation of the embodiment of the present invention 1.As shown in Figure 2, the first noumenon is provided with the first binding end, first binding end is provided with the first caulking groove 201, first caulking groove 201 forms the first opening 203 on the end face of the first binding end, first caulking groove 201 is provided with the width being greater than the first opening 203 relative to the width of the first bottom surface 202, bottom surface 202, first of the first opening 203.Second body is provided with the second binding end, the opposite side of the second binding end is forming ends 207, forming ends 207 is provided with the die cavity 208 boring tail for shaped screw, second binding end is provided with second caulking groove 204 that arrange corresponding to the first caulking groove 201, second caulking groove 204 forms the second opening 205 on the end face of the second binding end, second caulking groove 204 is provided with the width being greater than the second opening 205 relative to the width of the second bottom surface 206, bottom surface 206, second of the second opening 205.Conjunction is provided with the first embedding part 209, second embedding part 211, the junction of the first embedding part 209 and the second embedding part 211 forms central part 210, first embedding part 209 and the second embedding part 211 match with the first caulking groove 201 and the second caulking groove 204 respectively, and the terminal end width of the first embedding part 209 and the second embedding part 211 is all greater than the width of central part 210.
In the process that the first noumenon and the second body horizontal integration are integrated, first the first noumenon and the binding end of the second body being drawn close makes the first opening 203 relative with the second opening 205, then by the space that insertion first caulking groove 201 corresponding for the conjunction formed by the first embedding part 209 and the second embedding part 211 and the second caulking groove 204 are formed, the first noumenon and the second body are just connected as one by the central part 210 of conjunction.
Not easy to wear when bearing horizontal pressing mold impulsive force to make tommy bar tail mould of the present invention, mould of the present invention can be inlayed the middle and lower part (die cavity is positioned at top) that position is arranged on the first noumenon and the second body.As shown in Figure 2, first caulking groove 201 and the second caulking groove 204 can be arranged at respectively the middle and lower part of the first noumenon and the second body, for making the connection of the first noumenon and the second body more stable, the first caulking groove 201 and the second caulking groove 204 can be set to the front surface perpendicular to described the first noumenon and the second body.Tommy bar tail mould of the present invention impulsive force operationally mainly concentrates on die cavity place, by the first caulking groove 201 and the second caulking groove 204 are arranged on body middle and lower part and perpendicular to the front surface of body, the deformation of the mosaic texture can effectively avoiding the active force because of die cavity place to cause, damage.
The second embodiment of tommy bar tail mould of the present invention and the difference of the first embodiment are the direction that the structure of the first noumenon and the second body and caulking groove are arranged.As shown in Figure 3, described second body 303 is engaged with the first noumenon 302 by two contact surfaces, forms right angle between described two contact surfaces, and the face that the second body 303 does not contact with the first noumenon 302 is provided with die cavity; The right angle of the second body 303 is provided with the second caulking groove, and the right angle of the first noumenon 302 is provided with the first caulking groove; Described first caulking groove forms the first opening in right angle, and described first caulking groove is provided with the width being greater than described first opening relative to the width of the first bottom surface 304, bottom surface 304, first of described first opening; Described second caulking groove forms the second opening in right angle, and described second caulking groove is provided with the width being greater than described second opening relative to the width of the second bottom surface 305, bottom surface 305, second of described second opening, and described second A/F equals described first A/F; The setting of conjunction is identical with last embodiment.
One as the second embodiment of tommy bar tail mould of the present invention is preferred, as shown in Figure 3, the first bottom surface 304 of the first caulking groove is 45 degree with the angle of the angle of the first noumenon upper surface 301 and the second bottom surface 305 of the second caulking groove and the second body upper surface 306.
Adopt the second embodiment and preferred embodiment thereof, not only save cost, and the effect of the power that die cavity place produces when more effectively can avoid mold work, reduce the deformation that mosaic texture place causes by impulsive force during work and damage.
The third embodiment of tommy bar tail mould of the present invention and the difference of the first embodiment are the shape of caulking groove and conjunction.Fig. 4 and Fig. 5 shows the third embodiment of tommy bar tail mould of the present invention, and as shown in Figure 4, this tommy bar tail mould comprises the first noumenon 402 and the second body 403, and the first noumenon 402 is connected by conjunction 401 with the second body 403.
The first noumenon 402 can be made up of high-speed steel, and the second body 403 can be made up of wolfram steel.In order to adapt to some higher tonnage needs, also the second body 403 can be welded on the intensity the second body 402 increasing mould.
Fig. 5 is the stereochemical structure decomposing schematic representation of the embodiment of the present invention 3.As shown in Figure 5, the first noumenon is provided with the first binding end, first binding end is provided with the first caulking groove 501, first caulking groove 501 is C shape, first caulking groove 501 forms the first opening 503, first caulking groove 501 on the end face of the first binding end, and to be provided with the cross section of first surface 502(and the first surface caved inward relative to the first opening 503 C-shaped).Second body is provided with the second binding end, the opposite side of the second binding end is forming ends 507, forming ends 507 is provided with the die cavity 508 boring tail for shaped screw, second binding end is provided with second caulking groove 504 that arrange corresponding to the first caulking groove 501, second caulking groove 504 is also C shape, second caulking groove 504 forms the second opening 505, second caulking groove 504 on the end face of the second binding end, and to be provided with the second curved surface 506(i.e. cross section of the second curved surface caved inward relative to the second opening 505 C-shaped).Junction formation central part 510, first embedding part 509 and the second embedding part 511 that conjunction are provided with the first embedding part 509, second embedding part 511, first embedding part 509 and the second embedding part 511 match with the first caulking groove 501 and the second caulking groove 504 respectively.
Similar to the combination of embodiment 1, in the process that the first noumenon of embodiment 3 and the second body horizontal integration are integrated, first the first noumenon and the binding end of the second body being drawn close makes the first opening 503 relative with the second opening 505, then by the space that insertion first caulking groove 501 corresponding for the conjunction formed by the first embedding part 509 and the second embedding part 511 and the second caulking groove 504 are formed, the first noumenon and the second body are just connected as one by the central part 510 of conjunction.
Preferred as embodiment 3, can inlay mould the middle and lower part (die cavity is positioned at top) that position is arranged on the first noumenon and the second body.As shown in Figure 5, first caulking groove 501 and the second caulking groove 504 can be arranged at respectively the middle and lower part of the first noumenon and the second body, for making the connection of the first noumenon and the second body more stable, the plane that the first opening 503 and the second opening 505 are formed can be set to be miter angle with the end face of the first binding end and the second binding end respectively.Adopt said structure, tommy bar tail mould impulsive force operationally mainly concentrates on die cavity place, the deformation of the mosaic texture can effectively avoiding the active force because of die cavity place to cause, damage.
4th kind of embodiment of tommy bar tail mould of the present invention and the difference of the second embodiment are the shape of caulking groove and conjunction.As shown in Figure 6, the second body 603 is engaged with the first noumenon 602 by two contact surfaces, forms right angle between two contact surfaces, and the face that the second body 603 does not contact with the first noumenon 602 is provided with die cavity; The right angle of the second body 603 is provided with the second caulking groove of C shape, and the right angle of the first noumenon 602 is provided with the first caulking groove of C shape; Described first caulking groove forms the first opening in right angle, and described first caulking groove is provided with the first surface 604 relative to described first opening; Described second caulking groove forms the second opening in right angle, and described second caulking groove is provided with the second curved surface 605 relative to described second opening, and described second A/F equals described first A/F; The setting of conjunction is identical with embodiment 3.
Adopt the structure of the 4th kind of embodiment, not only save cost, and the effect of the power that die cavity place produces when more effectively can avoid mold work, reduce the deformation that mosaic texture place causes by impulsive force during work and damage.
The tommy bar tail mould tool that the present invention obtains has the following advantages: first, materials different for two kinds of hardness can be integrated with horizontal integration by tommy bar tail mould of the present invention, effectively can avoid the deformation of the mosaic texture caused because of pressing mold impulsive force, therefore, it is not easy to wear when it bears horizontal pressing mold impulsive force.The second, tommy bar tail mould of the present invention is convenient for production, and Stability Analysis of Structures is reliable.
The above embodiment only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a tommy bar tail mould, is characterized in that: comprise the first noumenon and the second body, and described the first noumenon is connected by conjunction with described second body, described second body is provided with die cavity, and the material hardness of the first noumenon is less than the second body;
Described the first noumenon is provided with the first binding end, described first binding end is provided with the first caulking groove, described first caulking groove forms the first opening on the end face of described first binding end, described first caulking groove is provided with the first bottom surface relative to described first opening, and the width of described first bottom surface is greater than the width of described first opening;
Described second body is provided with the second binding end, described second binding end is positioned at the reverse side of forming ends, and coordinate with the end face of the first binding end, described forming ends top is provided with the die cavity boring tail for shaped screw, described second binding end is provided with the second caulking groove be equipped with described first caulking groove, described second caulking groove forms the second opening on the end face of described second binding end, described second caulking groove is provided with the second bottom surface relative to described second opening, the width of described second bottom surface is greater than the width of described second opening, described second A/F equals described first A/F,
Described conjunction is made up of the first embedding part and the second embedding part, described first embedding part and described second embedding part affixed, described first embedding part and described second embedding part match with described first caulking groove and described second caulking groove respectively.
2. tommy bar tail mould according to claim 1, is characterized in that: described second caulking groove is arranged at the middle and lower part of the second binding end.
3. tommy bar tail mould according to claim 2, is characterized in that: described first caulking groove is vertical with the end face of the second binding end with described first binding end respectively with the center line of described second caulking groove.
4. a tommy bar tail mould, is characterized in that: comprise the first noumenon and the second body, and described the first noumenon is connected by conjunction with described second body, described second body is provided with die cavity, and the material hardness of the first noumenon is less than the second body;
Described second body is engaged with the first noumenon by two contact surfaces, forms right angle, the face that described second body does not contact with the first noumenon is provided with die cavity between described two contact surfaces;
The right angle of described second body is provided with the second caulking groove, and the right angle of described the first noumenon is provided with the first caulking groove;
Described first caulking groove forms the first opening in right angle, and described first caulking groove is provided with the first bottom surface relative to described first opening, and the width of described first bottom surface is greater than the width of described first opening;
Described second caulking groove forms the second opening in right angle, and described second caulking groove is provided with the second bottom surface relative to described second opening, and the width of described second bottom surface is greater than the width of described second opening, and described second A/F equals described first A/F;
Described conjunction is made up of the first embedding part and the second embedding part, described first embedding part and described second embedding part affixed, described first embedding part and described second embedding part match with described first caulking groove and described second caulking groove respectively.
5. a tommy bar tail mould, is characterized in that: comprise the first noumenon and the second body, and described the first noumenon is connected by conjunction with described second body, described second body is provided with die cavity, and the material hardness of the first noumenon is less than the second body;
Described the first noumenon is provided with the first binding end, and described first binding end is provided with the first caulking groove of C shape, and described first caulking groove forms the first opening on the end face of described first binding end;
Described second body is provided with the second binding end, described second binding end is positioned at the reverse side of forming ends, and coordinate with the end face of the first binding end, described forming ends top is provided with the die cavity boring tail for shaped screw, described second binding end is provided with the second caulking groove be equipped with described first caulking groove, described second caulking groove is C shape, and described second caulking groove forms the second opening on the end face of described second binding end, and described second A/F equals described first A/F;
Described conjunction is made up of the first embedding part and the second embedding part, described first embedding part and described second embedding part affixed, described first embedding part and described second embedding part match with described first caulking groove and described second caulking groove respectively.
6. tommy bar tail mould according to claim 5, is characterized in that: described second caulking groove is arranged at the middle and lower part of the second binding end.
7. a tommy bar tail mould, is characterized in that: comprise the first noumenon and the second body, and described the first noumenon is connected by conjunction with described second body, described second body is provided with die cavity, and the material hardness of the first noumenon is less than the second body;
Described second body is engaged with the first noumenon by two contact surfaces, forms right angle, the face that described second body does not contact with the first noumenon is provided with die cavity between described two contact surfaces;
The right angle of described second body is provided with the second caulking groove, and the right angle of described the first noumenon is provided with the first caulking groove, and described first caulking groove and described second caulking groove are C shape;
Described first caulking groove forms the first opening in right angle, and described second caulking groove forms the second opening in right angle, and described second A/F equals described first A/F;
Described conjunction is made up of the first embedding part and the second embedding part, described first embedding part and described second embedding part affixed, described first embedding part and described second embedding part match with described first caulking groove and described second caulking groove respectively.
8. the tommy bar tail mould according to the arbitrary claim of claim 1 to 7, is characterized in that: described the first noumenon is made up of high-speed steel, described second body is made up of wolfram steel.
9. tommy bar tail mould according to claim 8, is characterized in that: described second body is welded on described the first noumenon.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310020671.XA CN103056231B (en) | 2013-01-21 | 2013-01-21 | Forming mould for self drilling screws |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310020671.XA CN103056231B (en) | 2013-01-21 | 2013-01-21 | Forming mould for self drilling screws |
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CN103056231A CN103056231A (en) | 2013-04-24 |
CN103056231B true CN103056231B (en) | 2015-05-20 |
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CN201310020671.XA Expired - Fee Related CN103056231B (en) | 2013-01-21 | 2013-01-21 | Forming mould for self drilling screws |
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CN104307984B (en) * | 2014-08-28 | 2018-01-30 | 江苏飞船股份有限公司 | A kind of stationary fixture for tommy bar tail mould |
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JPH07217B2 (en) * | 1992-06-25 | 1995-01-11 | 宮川金属工業株式会社 | Drill screw manufacturing method and drill part forming die used therefor |
CN2803569Y (en) * | 2005-06-27 | 2006-08-09 | 陈志明 | Compounded assembly joined structure of drill tail forming die |
CN101260772A (en) * | 2008-04-29 | 2008-09-10 | 喜尔盾幕墙门窗***(天津)有限公司 | 45 degree tenon joint board for wood door and window perpendicular connection angle |
CN202280389U (en) * | 2011-10-25 | 2012-06-20 | 厦门金宝莱整体家居有限公司 | Splicing structure of door plate frame |
CN203018590U (en) * | 2013-01-21 | 2013-06-26 | 太仓首桦自动控制有限公司 | Screwdriver tail forming die |
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