CN100564904C - Drill clamping chuck self-tightening screw nail and preparation method thereof - Google Patents

Drill clamping chuck self-tightening screw nail and preparation method thereof Download PDF

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Publication number
CN100564904C
CN100564904C CNB2008100597110A CN200810059711A CN100564904C CN 100564904 C CN100564904 C CN 100564904C CN B2008100597110 A CNB2008100597110 A CN B2008100597110A CN 200810059711 A CN200810059711 A CN 200810059711A CN 100564904 C CN100564904 C CN 100564904C
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tightening screw
screw nail
drill
self
fixture block
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Expired - Fee Related
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CNB2008100597110A
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CN101235841A (en
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游友民
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Abstract

The invention provides a kind of drill clamping chuck self-tightening screw nail and preparation method thereof, belong to the drill chuck field.It has solved, and existing drill clamping chuck self-tightening screw nail work efficiency is low, cost of production is high, the problem of easy breakage.This drill clamping chuck self-tightening screw nail is arranged in the through hole of drill chuck main center, and link by screw thread and main body, the inner of each jaw of drill chuck is socketed on the head of self-tightening screw nail, the body that comprises a column, end at body has been attacked screw thread, the other end has a discoid head platform, be fixed with three on the head platform around the equally distributed fixture block of its center line, the side of adjacent two fixture blocks and head platform be formed for packing into the bayonet socket of jaw the inner, its making method comprises the steps: a, body preparation; B, the preparation of fixture block dish; C, be connected; D, moulding.This drill clamping chuck self-tightening screw nail bayonet socket can be repaired when damaging, user cost is low, and its making method has the manufacturing of being easy to, characteristics that manufacturing efficiency is high.

Description

Drill clamping chuck self-tightening screw nail and preparation method thereof
Technical field
The present invention relates to the drill chuck field, especially relate to a kind of making method of drill clamping chuck self-tightening screw nail, and the product of producing gained by this making method.
Background technique
Bench drill is widely used in machining, in order to process different workpiece, often needs to change different drill bits.Drill chuck is exactly to be used for easy, quick more a kind of device of changing drill bit, and existing drill chuck has two types usually: spanner drill chuck and self-tightening drill chuck.Spanner drill chuck is clamping or pine need be used assistant tool when unloading drill bit, and operation seems more loaded down with trivial details.And self-tightening drill chuck has just overcome the problems referred to above, and it loads and unloads drill bit by the elastic sleeve that circumferentially is connected in the drill chuck main body.Only need rotate elastic sleeve with hand and get final product when operation, its operation seems easier.
What showed among Fig. 1 is a kind of self-tightening drill chuck that the applicant designs, comprise drill chuck main body 1, ball lid 6, jaw seat 3 and overcoat 2, overcoat 2 connects with jaw seat 3 by screw thread, ball lid 6 is fixed in the inboard of jaw seat 3, main body 1 is loaded in the inner chamber of jaw seat 3, the head of jaw seat 3 has three guide grooves, jaw 4 all is housed in the guide groove, the center of main body 1 is a through hole 11, a self-tightening screw nail 5 is arranged in this through hole 1, self-tightening screw nail 5 links by screw thread and main body 1, and the inner of each jaw 4 is socketed on the head of self-tightening screw nail 5.The same self-tightening screw nail that comprises an integral structure of this self-tightening drill chuck with present widely used drill chuck.This self-tightening screw nail integral body is column, has attacked one section screw thread at the one end, and the other end has a head that is used for socket jaw 4 the inners, has the bayonet socket of three the equally distributed L of being types or T type at head.
The L type of above-mentioned self-tightening screw nail head or T type bayonet socket need elder generation along axially grooved, and transverse translation is slotted then, because the restriction of spatial position, difficulty of processing is big especially, and the small size self-tightening screw nail almost can't machining.Therefore, the self-tightening screw nail of this structure not only work efficiency is lower, the cost of production height, and the L type of processing gained or the quality of T type bayonet socket also are difficult to be guaranteed.On the other hand,, when part-structure damages, whole self-tightening screw nail can only be changed, cause user cost to increase, and the head of self-tightening screw nail be easy to cause breakage owing to stressed for a long time when working owing to be integral structure.
Summary of the invention
The objective of the invention is at the problems referred to above, can repair when providing a kind of bayonet socket to damage, reduce the drill clamping chuck self-tightening screw nail of user cost.
Another object of the present invention is at the problems referred to above, and a kind of manufacturing that is easy to is provided, manufacturing efficiency height, the making method of the drill clamping chuck self-tightening screw nail of low cost of manufacture.
For achieving the above object, the present invention has adopted following technical proposal: this drill clamping chuck self-tightening screw nail, be arranged in the through hole of drill chuck main center, and link by screw thread and main body, the inner of each jaw of drill chuck is socketed on the head of self-tightening screw nail, it is characterized in that, it comprises the body of a column, end at body has been attacked screw thread, the other end has a discoid head platform, on head platform, be fixed with three around the equally distributed fixture block of its center line, the side of adjacent two fixture blocks and head platform be formed for packing into the bayonet socket of jaw the inner.
Owing to adopt split-type structural, when wherein some part is damaged, can replace it, improve resource utilization, reduce user cost; And this drill clamping chuck self-tightening screw nail is easy to processing, low cost of manufacture.
In above-mentioned drill clamping chuck self-tightening screw nail, a side of described fixture block is the plane, and opposite side has step; Perhaps the both sides of fixture block are step; The side of adjacent two fixture blocks and head platform form the bayonet socket that is L type or T type.
In above-mentioned drill clamping chuck self-tightening screw nail, be fixed together by welding between described fixture block and the head platform; Perhaps be fixed together by tackiness agent; Perhaps be fixed together by link.
Above-mentioned drill clamping chuck self-tightening screw nail can make by following method: a kind of making method of drill clamping chuck self-tightening screw nail, this drill clamping chuck self-tightening screw nail has the body of a column, end at body has been attacked screw thread, the other end is provided with the inner that is used for each jaw of drill chuck and is socketed on therebetween three fixture blocks, adjacent two fixture blocks and body are formed for inserting the bayonet socket of jaw the inner, it is characterized in that this making method comprises the steps:
A, body preparation: the end at blank processes one section screw thread, and the other end is processed to form a discoid head platform;
B, fixture block dish preparation: process the three block-shaped identical fixture blocks that are connected on the blank at an end of blank, promptly make by trying to get to the heart of a matter and three fixture block dishes that fixture block constitutes;
C, be connected: the fixture block dish is had an end of three fixture blocks and the head platform of body is connected;
D, moulding: the removal of trying to get to the heart of a matter with the fixture block dish promptly gets drill clamping chuck self-tightening screw nail.
Directly the difficulty of processing L type or T type bayonet socket is very big on self-tightening screw nail, the present invention adopts the method for separate machined, processes body respectively and has the fixture block dish of three fixture blocks, be fixed on the fixture block dish on the body after, remove trying to get to the heart of a matter of fixture block dish, can obtain drill clamping chuck self-tightening screw nail.Modes such as the fixture block dish here can be by casting, turning, mill, extruding, punching press, forging and pressing are processed; In forming process, mode such as trying to get to the heart of a matter can be by turning, mill, grinding is processed.Therefore, among the present invention various piece all be easy to processing, and the processing sequence of body and fixture block dish is without limits.The blank here is generally columned blank.
In the making method of above-mentioned drill clamping chuck self-tightening screw nail, among step a and/or the step b, blank is by circular wire rod alignment, and make according to the required size blanking.
In the making method of above-mentioned drill clamping chuck self-tightening screw nail, among the step b,, process three cross sections and be the fan shape fixture block an end trisection of blank.
In the making method of above-mentioned drill clamping chuck self-tightening screw nail, among the step c, be fixed together by welding manner between described fixture block and the head platform; Perhaps be fixed together by tackiness agent; Perhaps be fixed together by link.
Above-mentioned drill clamping chuck self-tightening screw nail also has a kind of making method: the making method of drill clamping chuck self-tightening screw nail, this drill clamping chuck self-tightening screw nail has the body of a column, end at body has been attacked screw thread, the other end is provided with the inner that is used for each jaw of drill chuck and is socketed on therebetween three fixture blocks, adjacent two fixture blocks and body are formed for inserting the bayonet socket of jaw the inner, it is characterized in that this making method comprises the steps:
A, body preparation: the end at blank processes one section screw thread, and the other end is processed to form a discoid head platform;
B, fixture block preparation: process three block-shaped identical fixture blocks respectively;
C, be connected: the center line of three fixture blocks around head platform is fixed thereon evenly distributedly, and the side of adjacent two fixture blocks and body form bayonet socket, promptly get drill clamping chuck self-tightening screw nail.
Directly the difficulty of processing L type or T type bayonet socket is very big on self-tightening screw nail, the present invention adopts the method for separate machined, process body and fixture block respectively, then fixture block is fixedly connected on the head platform of body, constitutes L type or T type bayonet socket by the plane of adjacent two fixture blocks and step and head platform.In this way, can process various piece easily, greatly reduce difficulty of processing, simultaneously two-part be connected also very convenient.Among the present invention, the processing sequence of body and fixture block without limits.
In the making method of above-mentioned drill clamping chuck self-tightening screw nail, among the step a, blank is by circular wire rod alignment, and make according to the required size blanking; In above-mentioned step b, the cross section of fixture block is fan shape.
In the making method of above-mentioned drill clamping chuck self-tightening screw nail, be fixed together by welding manner between described fixture block and the head platform; Perhaps be fixed together by tackiness agent; Perhaps be fixed together by link.
For the ease of being connected, the fan shape radius of fixture block and the radius of head platform are adapted.Therefore, drawing materials of fixture block also can intercept on circular wire rod, be divided into then three identical shaped fan-shaped.
Compared with prior art, the advantage of making method of this drill clamping chuck self-tightening screw nail and products thereof is: 1, owing to adopt each constituent elements of separate machined, then each several part is carried out ways of connecting, therefore, the difficulty of processing of each several part is little, can reduce the difficulty of processing of entire product greatly; And this processing method operation is simple, time saving and energy saving, and low cost of manufacture can effectively improve the quality of product.2, owing to adopt split-type structural, when wherein some part is damaged, can replace, improve resource utilization, reduce user cost it.
Description of drawings
Fig. 1 is the sectional view of drill chuck.
Fig. 2 is the stereogram of drill clamping chuck self-tightening screw nail provided by the invention.
Fig. 3 is the stereogram at another visual angle of drill clamping chuck self-tightening screw nail provided by the invention.
Fig. 4 is the plan view of drill clamping chuck self-tightening screw nail provided by the invention.
Fig. 5 is the plan view of drill clamping chuck self-tightening screw nail provided by the invention.
Fig. 6 is the sectional view of drill clamping chuck self-tightening screw nail provided by the invention.
Fig. 7 is the plan view of drill clamping chuck self-tightening screw nail body provided by the invention.
Fig. 8 is the stereogram of fixture block dish provided by the invention.
Fig. 9 is the schematic representation when being connected in the fixture block dish on the main body provided by the invention.
Figure 10 is that bayonet socket provided by the invention is the stereogram of the drill clamping chuck self-tightening screw nail of T type.
Among the figure, main body 1, through hole 11, overcoat 2, jaw seat 3, jaw 4, self-tightening screw nail 5, ball lid 6, body 7, screw thread 71, head platform 72, fixture block 8, fixture block dish 80, plane 81, step 82, try to get to the heart of a matter 83, bayonet socket 9.
Embodiment
Embodiment 1:
Drill clamping chuck self-tightening screw nail in the present embodiment is arranged in the through hole 11 at drill chuck main body 1 center, and links by screw thread and main body 1, and the inner of each jaw 4 of drill chuck is socketed on the head of self-tightening screw nail 5.Shown in Fig. 2,3,4,6 and 7, it has the body 7 of a column, end at body 7 has been attacked screw thread 71, the other end has a discoid head platform 72, on head platform 72, be provided with the inner that is used for each jaw 4 of drill chuck and be socketed on therebetween three fixture blocks 8, be formed for inserting the bayonet socket 9 of the L type of jaw 4 the inners between adjacent two fixture blocks 8.Shown in Fig. 2,3,5, above-mentioned three fixture blocks 8 evenly distribute around the center line of head platform 72, one side of fixture block 8 is plane 81, and opposite side has step 82, and the plane 81 of adjacent two fixture blocks 8, step 82 and head platform 72 form the bayonet socket 9 that is the L type.The cross section of above-mentioned fixture block 8 is fan shape.
In the present embodiment, be fixed together by welding manner between fixture block 8 and the head platform 72.When wherein certain fixture block 8 damages, can replace it, improve resource utilization, reduce user cost.
The making method of drill clamping chuck self-tightening screw nail comprises the steps:
A, body preparation: the end at columned body blank processes one section screw thread 71, and the other end is processed to form a discoid head platform 72;
B, fixture block preparation: process three block-shaped identical fixture blocks 8 respectively, a side of fixture block 8 is plane 81, and opposite side has step 82;
C, welding are connected: three fixture blocks 8 center line around head platform 72 is welded thereon evenly distributedly, and the plane 81 of adjacent two fixture blocks 8 and step 82 form the bayonet socket 9 that is the L type, both drill clamping chuck self-tightening screw nail.
In the present embodiment, the body blank is by circular wire rod alignment, and make according to the required size blanking.Because the cross section of fixture block 8 is fan shape, for the ease of being connected, the fan shape radius of fixture block 8 and the radius of head platform 72 is adapted.Therefore, drawing materials of fixture block 8 also can intercept on circular wire rod, be divided into then three identical shaped fan-shaped.
Embodiment 2:
In the present embodiment, the making method of drill clamping chuck self-tightening screw nail comprises the steps:
A, body preparation: the end at blank processes one section screw thread 71, and the other end is processed to form a discoid head platform 72;
B, fixture block dish preparation: process the three block-shaped identical fixture blocks 8 that are connected on the blank at an end of blank, promptly make the fixture block dish 80 that constitutes by 83 and three fixture blocks 8 of trying to get to the heart of a matter as shown in Figure 8;
C, be connected: as shown in Figure 9, fixture block dish 80 is had an end of three fixture blocks 8 and the head platform 72 of body 7 is connected;
D, moulding: 83 removals of trying to get to the heart of a matter with fixture block dish 80 promptly get drill clamping chuck self-tightening screw nail.
In the present embodiment, in above-mentioned step a and/or step b, blank is by circular wire rod alignment, and make according to the required size blanking.In above-mentioned step b,, process three cross sections and be fan shape fixture block 8 an end trisection of blank.Modes such as the fixture block dish here can be by casting, turning, mill, extruding, punching press, forging and pressing are processed; In forming process, mode such as trying to get to the heart of a matter can be by turning, mill, grinding is processed.
Embodiment 3:
In the present embodiment, be fixed together by tackiness agent between fixture block 8 and the head platform 82.All the other are all identical with embodiment 1 or 2, and this paper does not do and gives unnecessary details.
Embodiment 4:
In the present embodiment, be fixed together by link between fixture block 8 and the head platform 82.All the other are all identical with embodiment 1 or 2, and this paper does not do and gives unnecessary details.
Embodiment 5:
In an embodiment, the T type that is shaped as of bayonet socket 9, all the other are all identical with embodiment 1 or 2 or 3 or 4, and this paper does not do and gives unnecessary details.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although the possibility of using other term do not got rid of in terms such as this paper used main body 1, through hole 11, overcoat 2, jaw seat 3, jaw 4, self-tightening screw nail 5, ball lid 6, body 7, screw thread 71, head platform 72, fixture block 8, fixture block dish 80, plane 81, step 82, try to get to the heart of a matter 83, bayonet socket 9 morely.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.

Claims (10)

1. drill clamping chuck self-tightening screw nail, be arranged in the through hole (11) at drill chuck main body (1) center, and link by screw thread and main body (1), the inner of each jaw of drill chuck (4) is socketed on the head of self-tightening screw nail (5), it is characterized in that, it comprises the body (7) of a column, attacked screw thread (71) at an end of body (7), the other end has a discoid head platform (72), on head platform (72), be fixed with three around the equally distributed fixture block of its center line (8), the side of adjacent two fixture blocks (8) and head platform (72) be formed for packing into the bayonet socket (9) of jaw (4) the inner; Described fixture block (8) and head platform (72) split setting, and both are fixed together.
2. drill clamping chuck self-tightening screw nail according to claim 1 is characterized in that, a side of described fixture block (8) is plane (81), and opposite side has step (82); Perhaps the both sides of fixture block (8) are step (82); The side of adjacent two fixture blocks (8) and head platform (72) form the bayonet socket (9) that is L type or T type.
3. drill clamping chuck self-tightening screw nail according to claim 1 and 2 is characterized in that, is fixed together by welding between described fixture block (8) and the head platform (72); Perhaps be fixed together by tackiness agent; Perhaps be fixed together by link.
4. the making method of a drill clamping chuck self-tightening screw nail, this drill clamping chuck self-tightening screw nail has the body (7) of a column, attacked screw thread (71) at an end of body (7), the other end is provided with the inner that is used for each jaw of drill chuck (4) and is socketed on therebetween three fixture blocks (8), adjacent two fixture blocks (8) are formed for inserting the inner bayonet socket (9) of jaw (4) with body (7), it is characterized in that this making method comprises the steps:
A, body preparation: the end at blank processes one section screw thread (71), and the other end is processed to form a discoid head platform (72);
B, fixture block dish preparation: process the three block-shaped identical fixture blocks (8) that are connected on the blank at an end of blank, promptly make by trying to get to the heart of a matter (83) and the fixture block dish (80) of three fixture blocks (8) formation;
C, be connected: fixture block dish (80) is had an end of three fixture blocks (8) and the head platform (72) of body (7) is connected;
D, moulding: try to get to the heart of a matter (83) of fixture block dish (80) are removed, promptly get drill clamping chuck self-tightening screw nail.
5. the making method of drill clamping chuck self-tightening screw nail according to claim 4 is characterized in that, in above-mentioned step a and/or step b, blank is by circular wire rod alignment, and make according to the required size blanking.
6. the making method of drill clamping chuck self-tightening screw nail according to claim 4 is characterized in that, in above-mentioned step b, with an end trisection of blank, processes three cross sections and is fan shape fixture block (8).
7. according to the making method of claim 4 or 5 or 6 described drill clamping chuck self-tightening screw nails, it is characterized in that, in above-mentioned step c, be fixed together by welding manner between described fixture block (8) and the head platform (72); Perhaps be fixed together by tackiness agent; Perhaps be fixed together by link.
8. the making method of a drill clamping chuck self-tightening screw nail, this drill clamping chuck self-tightening screw nail has the body (7) of a column, attacked screw thread (71) at an end of body (7), the other end is provided with the inner that is used for each jaw of drill chuck (4) and is socketed on therebetween three fixture blocks (8), adjacent two fixture blocks (8) and body (7) are formed for inserting the inner bayonet socket (9) of jaw (4), it is characterized in that this making method comprises the steps:
A, body preparation: the end at blank processes one section screw thread (71), and the other end is processed to form a discoid head platform (72);
B, fixture block preparation: process three block-shaped identical fixture blocks (8) respectively;
C, be connected: the center line of three fixture blocks (8) around head platform (72) is fixed thereon evenly distributedly, and the side of adjacent two fixture blocks (8) and body (7) form bayonet socket (9), promptly get drill clamping chuck self-tightening screw nail.
9. the making method of drill clamping chuck self-tightening screw nail according to claim 8 is characterized in that, in above-mentioned step a, blank is by circular wire rod alignment, and make according to the required size blanking; In above-mentioned step b, the cross section of fixture block (8) is fan shape.
10. according to Claim 8 or the making method of 9 described drill clamping chuck self-tightening screw nails, it is characterized in that, in above-mentioned step c, be fixed together by welding manner between described fixture block (8) and the head platform (72); Perhaps be fixed together by tackiness agent; Perhaps be fixed together by link.
CNB2008100597110A 2008-02-05 2008-02-05 Drill clamping chuck self-tightening screw nail and preparation method thereof Expired - Fee Related CN100564904C (en)

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Application Number Priority Date Filing Date Title
CNB2008100597110A CN100564904C (en) 2008-02-05 2008-02-05 Drill clamping chuck self-tightening screw nail and preparation method thereof

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CN100564904C true CN100564904C (en) 2009-12-02

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101659044B (en) * 2009-08-24 2012-05-02 宁波市鄞州云帆工程咨询有限公司 Rotary clamp type screwdriver and screw

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1705275A (en) * 1923-04-24 1929-03-12 Neudeck Wilhelm Von Automatic quick-change drill chuck
US4902025A (en) * 1987-12-31 1990-02-20 Joseph Albrecht, Bohrfutterfabrik Gmbh & Co. Self-clamping or self-tightening chuck
CN2076888U (en) * 1990-12-28 1991-05-15 河南省邮电器材厂 Self-holding drill chuck
CN2246555Y (en) * 1995-12-18 1997-02-05 山东机床附件总厂 Chuck of self-holding drill
CN2832375Y (en) * 2005-09-27 2006-11-01 浙江三鸥机械股份有限公司 Locking self-screwed drill chuck
CN200963693Y (en) * 2006-11-13 2007-10-24 浙江三鸥机械股份有限公司 Novel self-locking self-tightening drill chuck

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1705275A (en) * 1923-04-24 1929-03-12 Neudeck Wilhelm Von Automatic quick-change drill chuck
US4902025A (en) * 1987-12-31 1990-02-20 Joseph Albrecht, Bohrfutterfabrik Gmbh & Co. Self-clamping or self-tightening chuck
CN2076888U (en) * 1990-12-28 1991-05-15 河南省邮电器材厂 Self-holding drill chuck
CN2246555Y (en) * 1995-12-18 1997-02-05 山东机床附件总厂 Chuck of self-holding drill
CN2832375Y (en) * 2005-09-27 2006-11-01 浙江三鸥机械股份有限公司 Locking self-screwed drill chuck
CN200963693Y (en) * 2006-11-13 2007-10-24 浙江三鸥机械股份有限公司 Novel self-locking self-tightening drill chuck

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